diff options
Diffstat (limited to 'qemu/roms/openbios/fs/grubfs')
31 files changed, 0 insertions, 11413 deletions
diff --git a/qemu/roms/openbios/fs/grubfs/Kconfig b/qemu/roms/openbios/fs/grubfs/Kconfig deleted file mode 100644 index 55fec8b72..000000000 --- a/qemu/roms/openbios/fs/grubfs/Kconfig +++ /dev/null @@ -1,83 +0,0 @@ -config FSYS_EXT2FS - depends on GRUBFS - bool "EXT2 support" - default n - help - Include EXT2 filesystem support - -config FSYS_FAT - depends on GRUBFS - bool "(V)FAT support" - default n - help - Include VFAT/FAT (MSDOS / Windows95) filesystem support - -config FSYS_JFS - depends on GRUBFS - bool "JFS support" - default n - help - Include JFS support - -config FSYS_MINIX - depends on GRUBFS - bool "Minix filesystem support" - default n - help - Include Minix filesystem support - -config FSYS_REISERFS - depends on GRUBFS - bool "Reiser filesystem support" - default n - help - Include Reiser filesystem support - -config FSYS_XFS - depends on GRUBFS - bool "XFS support" - default n - help - Include XFS support - -config FSYS_UFS - depends on GRUBFS - bool "UFS/UFS2 support" - default n - help - Include UFS/UFS2 support - -config FSYS_ISO9660 - depends on GRUBFS - bool "ISO 9660 support" - default n - help - Include ISO9660 (cdrom) filesystem support - -config FSYS_FFS - depends on GRUBFS - bool "FreeBSD FFS support" - default n - help - Include FreeBSD FFS filesystem support - -config FSYS_VSTAFS - depends on GRUBFS - bool "VSTA filesystem support" - default n - help - Include VSTA filesystem support - -config FSYS_NTFS - depends on GRUBFS - bool "NT filesystem support" - default n - help - Include NTFS filesystem support - -config FSYS_AFFS - depends on GRUBFS - bool "Amiga fast filesystem support" - default n - help - Include Amiga FFS filesystem support diff --git a/qemu/roms/openbios/fs/grubfs/build.xml b/qemu/roms/openbios/fs/grubfs/build.xml deleted file mode 100644 index e5fb64a5f..000000000 --- a/qemu/roms/openbios/fs/grubfs/build.xml +++ /dev/null @@ -1,17 +0,0 @@ -<build> - <library name="fs" type="static" target="target"> - <object source="grubfs_fs.c"/> - <object source="fsys_ext2fs.c" condition="FSYS_EXT2FS" flags="-DFSYS_EXT2FS -fno-strict-aliasing"/> - <object source="fsys_fat.c" condition="FSYS_FAT" flags="-DFSYS_FAT -fno-strict-aliasing"/> - <object source="fsys_jfs.c" condition="FSYS_JFS" flags="-DFSYS_JFS -fno-strict-aliasing"/> - <object source="fsys_minix.c" condition="FSYS_MINIX" flags="-DFSYS_MINIX -fno-strict-aliasing"/> - <object source="fsys_reiserfs.c" condition="FSYS_REISERFS" flags="-DFSYS_REISERFS -fno-strict-aliasing"/> - <object source="fsys_xfs.c" condition="FSYS_XFS" flags="-DFSYS_XFS -fno-strict-aliasing"/> - <object source="fsys_ufs.c" condition="FSYS_UFS" flags="-DFSYS_UFS -fno-strict-aliasing"/> - <object source="fsys_ffs.c" condition="FSYS_FFS" flags="-DFSYS_FFS -fno-strict-aliasing"/> - <object source="fsys_vstafs.c" condition="FSYS_VSTAFS" flags="-DFSYS_VSTAFS -fno-strict-aliasing"/> - <object source="fsys_iso9660.c" condition="FSYS_ISO9660" flags="-DFSYS_ISO9660 -fno-strict-aliasing"/> - <object source="fsys_ntfs.c" condition="FSYS_NTFS" flags="-DFSYS_NTFS -fno-strict-aliasing"/> - <object source="fsys_affs.c" condition="FSYS_AFFS" flags="-DFSYS_AFFS -fno-strict-aliasing"/> - </library> -</build> diff --git a/qemu/roms/openbios/fs/grubfs/debug.h b/qemu/roms/openbios/fs/grubfs/debug.h deleted file mode 100644 index 7494d3169..000000000 --- a/qemu/roms/openbios/fs/grubfs/debug.h +++ /dev/null @@ -1 +0,0 @@ -/* for grub compatibility */ diff --git a/qemu/roms/openbios/fs/grubfs/defs.h b/qemu/roms/openbios/fs/grubfs/defs.h deleted file mode 100644 index 3a3128ce1..000000000 --- a/qemu/roms/openbios/fs/grubfs/defs.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * Common definitions for Berkeley Fast File System. - */ - -/* - * Compatibility definitions for disk IO. - */ - -/* - * Disk devices do all IO in 512-byte blocks. - */ -#define DEV_BSIZE 512 - -/* - * Conversion between bytes and disk blocks. - */ -#define btodb(byte_offset) ((byte_offset) >> 9) -#define dbtob(block_number) ((block_number) << 9) - -typedef struct _quad_ - { - unsigned int val[2]; /* 2 int values make... */ - } -quad; /* an 8-byte item */ - -typedef unsigned int mach_time_t; /* an unsigned int */ -typedef unsigned int mach_daddr_t; /* an unsigned int */ -typedef unsigned int mach_off_t; /* another unsigned int */ - -typedef unsigned short mach_uid_t; -typedef unsigned short mach_gid_t; -typedef unsigned int mach_ino_t; - -#define NBBY 8 - -/* - * The file system is made out of blocks of at most MAXBSIZE units, - * with smaller units (fragments) only in the last direct block. - * MAXBSIZE primarily determines the size of buffers in the buffer - * pool. It may be made larger without any effect on existing - * file systems; however, making it smaller may make some file - * systems unmountable. - * - * Note that the disk devices are assumed to have DEV_BSIZE "sectors" - * and that fragments must be some multiple of this size. - */ -#define MAXBSIZE 8192 -#define MAXFRAG 8 - -/* - * MAXPATHLEN defines the longest permissible path length - * after expanding symbolic links. - * - * MAXSYMLINKS defines the maximum number of symbolic links - * that may be expanded in a path name. It should be set - * high enough to allow all legitimate uses, but halt infinite - * loops reasonably quickly. - */ - -#define MAXPATHLEN 1024 -#define MAXSYMLINKS 8 diff --git a/qemu/roms/openbios/fs/grubfs/dir.h b/qemu/roms/openbios/fs/grubfs/dir.h deleted file mode 100644 index a775cab8c..000000000 --- a/qemu/roms/openbios/fs/grubfs/dir.h +++ /dev/null @@ -1,141 +0,0 @@ - -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * Copyright (c) 1982, 1986, 1989 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * @(#)dir.h 7.6 (Berkeley) 5/9/89 - */ - -#ifndef _BOOT_UFS_DIR_H_ -#define _BOOT_UFS_DIR_H_ - -/* - * A directory consists of some number of blocks of DIRBLKSIZ - * bytes, where DIRBLKSIZ is chosen such that it can be transferred - * to disk in a single atomic operation (e.g. 512 bytes on most machines). - * - * Each DIRBLKSIZ byte block contains some number of directory entry - * structures, which are of variable length. Each directory entry has - * a struct direct at the front of it, containing its inode number, - * the length of the entry, and the length of the name contained in - * the entry. These are followed by the name padded to a 4 byte boundary - * with null bytes. All names are guaranteed null terminated. - * The maximum length of a name in a directory is MAXNAMLEN. - * - * The macro DIRSIZ(dp) gives the amount of space required to represent - * a directory entry. Free space in a directory is represented by - * entries which have dp->d_reclen > DIRSIZ(dp). All DIRBLKSIZ bytes - * in a directory block are claimed by the directory entries. This - * usually results in the last entry in a directory having a large - * dp->d_reclen. When entries are deleted from a directory, the - * space is returned to the previous entry in the same directory - * block by increasing its dp->d_reclen. If the first entry of - * a directory block is free, then its dp->d_ino is set to 0. - * Entries other than the first in a directory do not normally have - * dp->d_ino set to 0. - */ -#define DIRBLKSIZ DEV_BSIZE -#define MAXNAMLEN 255 - -struct direct - { - unsigned int d_ino; /* inode number of entry */ - unsigned short d_reclen; /* length of this record */ - unsigned short d_namlen; /* length of string in d_name */ - char d_name[MAXNAMLEN + 1]; /* name with length <= MAXNAMLEN */ - }; - -/* - * The DIRSIZ macro gives the minimum record length which will hold - * the directory entry. This requires the amount of space in struct direct - * without the d_name field, plus enough space for the name with a terminating - * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary. - */ -#undef DIRSIZ -#define DIRSIZ(dp) \ - ((sizeof (struct direct) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3)) - -#ifdef KERNEL -/* - * Template for manipulating directories. - * Should use struct direct's, but the name field - * is MAXNAMLEN - 1, and this just won't do. - */ -struct dirtemplate - { - unsigned int dot_ino; - short dot_reclen; - short dot_namlen; - char dot_name[4]; /* must be multiple of 4 */ - unsigned int dotdot_ino; - short dotdot_reclen; - short dotdot_namlen; - char dotdot_name[4]; /* ditto */ - }; -#endif - -/* - * The following information should be obtained from <dirent.h> - * and is provided solely (and temporarily) for backward compatibility. - */ -#ifndef KERNEL -#define d_fileno d_ino /* compatibility with POSIX */ -#ifndef DEV_BSIZE -#define DEV_BSIZE 512 -#endif -/* - * Definitions for library routines operating on directories. - */ -typedef struct _dirdesc - { - int dd_fd; - int dd_loc; - int dd_size; - char dd_buf[DIRBLKSIZ]; - } -DIR; - -#define dirfd(dirp) ((dirp)->dd_fd) - -#ifndef NULL -#define NULL 0 -#endif -#endif /* not KERNEL */ -#endif /* _BOOT_UFS_DIR_H_ */ diff --git a/qemu/roms/openbios/fs/grubfs/disk_inode.h b/qemu/roms/openbios/fs/grubfs/disk_inode.h deleted file mode 100644 index 68a61c7a4..000000000 --- a/qemu/roms/openbios/fs/grubfs/disk_inode.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * Copyright (c) 1982, 1989 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * @(#)inode.h 7.5 (Berkeley) 7/3/89 - */ - -#ifndef _BOOT_UFS_DISK_INODE_H_ -#define _BOOT_UFS_DISK_INODE_H_ - -/* - * The I node is the focus of all file activity in the BSD Fast File System. - * There is a unique inode allocated for each active file, - * each current directory, each mounted-on file, text file, and the root. - * An inode is 'named' by its dev/inumber pair. (iget/iget.c) - * Data in icommon is read in from permanent inode on volume. - */ - -#define FFS_NDADDR 12 /* direct addresses in inode */ -#define FFS_NIADDR 3 /* indirect addresses in inode */ - -#define FFS_MAX_FASTLINK_SIZE ((FFS_NDADDR + FFS_NIADDR) \ - * sizeof (mach_daddr_t)) - -struct icommon - { - unsigned short ic_mode; /* 0: mode and type of file */ - short ic_nlink; /* 2: number of links to file */ - mach_uid_t ic_uid; /* 4: owner's user id */ - mach_gid_t ic_gid; /* 6: owner's group id */ - quad ic_size; /* 8: number of bytes in file */ - mach_time_t ic_atime; /* 16: time last accessed */ - int ic_atspare; - mach_time_t ic_mtime; /* 24: time last modified */ - int ic_mtspare; - mach_time_t ic_ctime; /* 32: last time inode changed */ - int ic_ctspare; - union - { - struct - { - mach_daddr_t Mb_db[FFS_NDADDR]; /* 40: disk block addresses */ - mach_daddr_t Mb_ib[FFS_NIADDR]; /* 88: indirect blocks */ - } - ic_Mb; - char ic_Msymlink[FFS_MAX_FASTLINK_SIZE]; - /* 40: symbolic link name */ - } - ic_Mun; -#define ic_db ic_Mun.ic_Mb.Mb_db -#define ic_ib ic_Mun.ic_Mb.Mb_ib -#define ic_symlink ic_Mun.ic_Msymlink - int ic_flags; /* 100: status, currently unused */ - int ic_blocks; /* 104: blocks actually held */ - int ic_gen; /* 108: generation number */ - int ic_spare[4]; /* 112: reserved, currently unused */ - }; - -/* - * Same structure, but on disk. - */ -struct dinode - { - union - { - struct icommon di_com; - char di_char[128]; - } - di_un; - }; -#define di_ic di_un.di_com - -#endif /* _BOOT_UFS_DISK_INODE_H_ */ diff --git a/qemu/roms/openbios/fs/grubfs/disk_inode_ffs.h b/qemu/roms/openbios/fs/grubfs/disk_inode_ffs.h deleted file mode 100644 index 3a2cfc6d1..000000000 --- a/qemu/roms/openbios/fs/grubfs/disk_inode_ffs.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * Copyright (c) 1982, 1989 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * @(#)inode.h 7.5 (Berkeley) 7/3/89 - */ - -#ifndef _BOOT_UFS_DISK_INODE_FFS_H_ -#define _BOOT_UFS_DISK_INODE_FFS_H_ - -#define NDADDR FFS_NDADDR -#define NIADDR FFS_NIADDR - -#define MAX_FASTLINK_SIZE FFS_MAX_FASTLINK_SIZE - -#define IC_FASTLINK 0x0001 /* Symbolic link in inode */ - -#define i_mode ic_mode -#define i_nlink ic_nlink -#define i_uid ic_uid -#define i_gid ic_gid -#if defined(BYTE_MSF) && BYTE_MSF -#define i_size ic_size.val[1] -#else /* BYTE_LSF */ -#define i_size ic_size.val[0] -#endif -#define i_db ic_db -#define i_ib ic_ib -#define i_atime ic_atime -#define i_mtime ic_mtime -#define i_ctime ic_ctime -#define i_blocks ic_blocks -#define i_rdev ic_db[0] -#define i_symlink ic_symlink -#define i_flags ic_flags -#define i_gen ic_gen - -/* modes */ -#define IFMT 0xf000 /* type of file */ -#define IFCHR 0x2000 /* character special */ -#define IFDIR 0x4000 /* directory */ -#define IFBLK 0x6000 /* block special */ -#define IFREG 0x8000 /* regular */ -#define IFLNK 0xa000 /* symbolic link */ -#define IFSOCK 0xc000 /* socket */ - - -#define ISUID 0x0800 /* set user id on execution */ -#define ISGID 0x0400 /* set group id on execution */ -#define ISVTX 0x0200 /* save swapped text even after use */ -#define IREAD 0x0100 /* read, write, execute permissions */ -#define IWRITE 0x0080 -#define IEXEC 0x0040 - -#ifdef EEK -#define f_fs u.ffs.ffs_fs -#define i_ic u.ffs.ffs_ic -#define f_nindir u.ffs.ffs_nindir -#define f_blk u.ffs.ffs_blk -#define f_blksize u.ffs.ffs_blksize -#define f_blkno u.ffs.ffs_blkno -#endif /* EEK */ - -#endif /* _BOOT_UFS_DISK_INODE_FFS_H_ */ diff --git a/qemu/roms/openbios/fs/grubfs/fat.h b/qemu/roms/openbios/fs/grubfs/fat.h deleted file mode 100644 index 43d38aefc..000000000 --- a/qemu/roms/openbios/fs/grubfs/fat.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - - -/* - * Defines for the FAT BIOS Parameter Block (embedded in the first block - * of the partition. - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; -typedef __signed__ short __s16; -typedef unsigned short __u16; -typedef __signed__ int __s32; -typedef unsigned int __u32; - -/* Note that some shorts are not aligned, and must therefore - * be declared as array of two bytes. - */ -struct fat_bpb { - __s8 ignored[3]; /* Boot strap short or near jump */ - __s8 system_id[8]; /* Name - can be used to special case - partition manager volumes */ - __u16 bytes_per_sect; /* bytes per logical sector */ - __u8 sects_per_clust;/* sectors/cluster */ - __u16 reserved_sects; /* reserved sectors */ - __u8 num_fats; /* number of FATs */ - __u16 dir_entries; /* root directory entries */ - __u16 short_sectors; /* number of sectors */ - __u8 media; /* media code (unused) */ - __u16 fat_length; /* sectors/FAT */ - __u16 secs_track; /* sectors per track */ - __u16 heads; /* number of heads */ - __u32 hidden; /* hidden sectors (unused) */ - __u32 long_sectors; /* number of sectors (if short_sectors == 0) */ - - /* The following fields are only used by FAT32 */ - __u32 fat32_length; /* sectors/FAT */ - __u16 flags; /* bit 8: fat mirroring, low 4: active fat */ - __u16 version; /* major, minor filesystem version */ - __u32 root_cluster; /* first cluster in root directory */ - __u16 info_sector; /* filesystem info sector */ - __u16 backup_boot; /* backup boot sector */ - __u16 reserved2[6]; /* Unused */ -} __attribute__ ((packed)); - -/* - * Defines how to differentiate a 12-bit and 16-bit FAT. - */ - -#define FAT_MAX_12BIT_CLUST 4087 /* 4085 + 2 */ - -/* - * Defines for the file "attribute" byte - */ - -#define FAT_ATTRIB_OK_MASK 0x37 -#define FAT_ATTRIB_NOT_OK_MASK 0xC8 -#define FAT_ATTRIB_DIR 0x10 -#define FAT_ATTRIB_LONGNAME 0x0F - -/* - * Defines for FAT directory entries - */ - -#define FAT_DIRENTRY_LENGTH 32 - -#define FAT_DIRENTRY_ATTRIB(entry) \ - (*((unsigned char *) (entry+11))) -#define FAT_DIRENTRY_VALID(entry) \ - ( ((*((unsigned char *) entry)) != 0) \ - && ((*((unsigned char *) entry)) != 0xE5) \ - && !(FAT_DIRENTRY_ATTRIB(entry) & FAT_ATTRIB_NOT_OK_MASK) ) -#define FAT_DIRENTRY_FIRST_CLUSTER(entry) \ - ((*((unsigned short *) (entry+26)))+(*((unsigned short *) (entry+20)) << 16)) -#define FAT_DIRENTRY_FILELENGTH(entry) \ - (*((unsigned long *) (entry+28))) - -#define FAT_LONGDIR_ID(entry) \ - (*((unsigned char *) (entry))) -#define FAT_LONGDIR_ALIASCHECKSUM(entry) \ - (*((unsigned char *) (entry+13))) diff --git a/qemu/roms/openbios/fs/grubfs/filesys.h b/qemu/roms/openbios/fs/grubfs/filesys.h deleted file mode 100644 index 6b6f97603..000000000 --- a/qemu/roms/openbios/fs/grubfs/filesys.h +++ /dev/null @@ -1,303 +0,0 @@ -/* GRUB compatibility header - * - * taken from filo and grub. - */ - -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999,2000,2001,2003 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -/* This disables some portion of code */ -#define STAGE1_5 1 - -#if defined CONFIG_X86 -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static __inline__ unsigned int -ffz (unsigned int word) -{ - __asm__ ("bsfl %1,%0" - : "=r" (word) - : "r" (~word)); - return word; -} - -static __inline__ unsigned int -log2 (unsigned int word) -{ - __asm__ ("bsfl %1,%0" - : "=r" (word) - : "r" (word)); - return word; -} - -#elif defined (CONFIG_PPC) -static __inline__ unsigned long - __ilog2(unsigned long x) -{ - unsigned long lz; - - asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x)); - return 31 - lz; -} - -static __inline__ unsigned long -ffz(unsigned long x) -{ - if ((x = ~x) == 0) - return 32; - - return __ilog2(x & -x); -} - -#define log2(n) ffz(~(n)) - -#else - -static __inline__ unsigned int log2(unsigned int word) -{ - /* assume 8 bits per byte. */ - unsigned int i = 1 << (sizeof(word)*8 - 1); - unsigned int pow = sizeof(word) * 8 - 1; - - if (! word) { - /* invalid parameter */ - return -1; - } - for(; i > word; i >>= 1, pow--) ; - - return pow; -} - -#define ffz(n) log2(~(n)) - -#endif - -static inline int -substring (const char *s1, const char *s2) -{ - while (*s1 == *s2) - { - /* The strings match exactly. */ - if (! *(s1++)) - return 0; - s2 ++; - } - - /* S1 is a substring of S2. */ - if (*s1 == 0) - return -1; - - /* S1 isn't a substring. */ - return 1; -} - -#define grub_memmove memmove -#define grub_strcmp strcmp - -#define MAXINT 0x7fffffff - -/* This is only used by fsys_* to determine if it's hard disk. If it is, - * they try to guess filesystem type by partition type. I guess it is - * not necessory, so hardcoded to 0 (first floppy) --ts1 */ -#define current_drive 0 -#define current_slice 0 -#define current_partition 0 - -/* we fake this for now, assuming that the filesystem is not corrupt */ -#define part_length -1 -extern int filepos; -extern int filemax; -extern int fsmax; - -/* Error codes (descriptions are in common.c) */ -typedef enum -{ - ERR_NONE = 0, - ERR_BAD_FILENAME, - ERR_BAD_FILETYPE, - ERR_BAD_GZIP_DATA, - ERR_BAD_GZIP_HEADER, - ERR_BAD_PART_TABLE, - ERR_BAD_VERSION, - ERR_BELOW_1MB, - ERR_BOOT_COMMAND, - ERR_BOOT_FAILURE, - ERR_BOOT_FEATURES, - ERR_DEV_FORMAT, - ERR_DEV_VALUES, - ERR_EXEC_FORMAT, - ERR_FILELENGTH, - ERR_FILE_NOT_FOUND, - ERR_FSYS_CORRUPT, - ERR_FSYS_MOUNT, - ERR_GEOM, - ERR_NEED_LX_KERNEL, - ERR_NEED_MB_KERNEL, - ERR_NO_DISK, - ERR_NO_PART, - ERR_NUMBER_PARSING, - ERR_OUTSIDE_PART, - ERR_READ, - ERR_SYMLINK_LOOP, - ERR_UNRECOGNIZED, - ERR_WONT_FIT, - ERR_WRITE, - ERR_BAD_ARGUMENT, - ERR_UNALIGNED, - ERR_PRIVILEGED, - ERR_DEV_NEED_INIT, - ERR_NO_DISK_SPACE, - ERR_NUMBER_OVERFLOW, - - MAX_ERR_NUM -} grub_error_t; - -extern grub_error_t errnum; - -#define grub_open file_open -#define grub_read file_read -#define grub_seek file_seek -#define grub_close file_close - -/* instrumentation variables */ -/* (Not used in FILO) */ -extern void (*disk_read_hook) (int, int, int); -extern void (*disk_read_func) (int, int, int); - -#define FSYS_BUFLEN 0x8000 -extern char FSYS_BUF[FSYS_BUFLEN]; - -#define print_possibilities 0 - -#define SECTOR_SIZE 512 -#define SECTOR_BITS 9 - -#ifdef CONFIG_FSYS_FAT -int fat_mount (void); -int fat_read (char *buf, int len); -int fat_dir (char *dirname); -#endif - -#ifdef CONFIG_FSYS_EXT2FS -int ext2fs_mount (void); -int ext2fs_read (char *buf, int len); -int ext2fs_dir (char *dirname); -#endif - -#ifdef CONFIG_FSYS_MINIX -int minix_mount (void); -int minix_read (char *buf, int len); -int minix_dir (char *dirname); -#endif - -#ifdef CONFIG_FSYS_REISERFS -int reiserfs_mount (void); -int reiserfs_read (char *buf, int len); -int reiserfs_dir (char *dirname); -int reiserfs_embed (int *start_sector, int needed_sectors); -#endif - -#ifdef CONFIG_FSYS_JFS -int jfs_mount (void); -int jfs_read (char *buf, int len); -int jfs_dir (char *dirname); -int jfs_embed (int *start_sector, int needed_sectors); -#endif - -#ifdef CONFIG_FSYS_XFS -int xfs_mount (void); -int xfs_read (char *buf, int len); -int xfs_dir (char *dirname); -#endif - -#ifdef CONFIG_FSYS_UFS -int ufs_mount (void); -int ufs_read (char *buf, int len); -int ufs_dir (char *dirname); -int ufs_embed (int *start_sector, int needed_sectors); -#endif - -#ifdef CONFIG_FSYS_ISO9660 -int iso9660_mount (void); -int iso9660_read (char *buf, int len); -int iso9660_dir (char *dirname); -#endif - -/* This is not a flag actually, but used as if it were a flag. */ -#define PC_SLICE_TYPE_HIDDEN_FLAG 0x10 - -#define PC_SLICE_TYPE_NONE 0 -#define PC_SLICE_TYPE_FAT12 1 -#define PC_SLICE_TYPE_FAT16_LT32M 4 -#define PC_SLICE_TYPE_EXTENDED 5 -#define PC_SLICE_TYPE_FAT16_GT32M 6 -#define PC_SLICE_TYPE_FAT32 0xb -#define PC_SLICE_TYPE_FAT32_LBA 0xc -#define PC_SLICE_TYPE_FAT16_LBA 0xe -#define PC_SLICE_TYPE_WIN95_EXTENDED 0xf -#define PC_SLICE_TYPE_EZD 0x55 -#define PC_SLICE_TYPE_MINIX 0x80 -#define PC_SLICE_TYPE_LINUX_MINIX 0x81 -#define PC_SLICE_TYPE_EXT2FS 0x83 -#define PC_SLICE_TYPE_LINUX_EXTENDED 0x85 -#define PC_SLICE_TYPE_VSTAFS 0x9e -#define PC_SLICE_TYPE_DELL_UTIL 0xde -#define PC_SLICE_TYPE_LINUX_RAID 0xfd - -/* For convinience. */ -/* Check if TYPE is a FAT partition type. Clear the hidden flag before - the check, to allow the user to mount a hidden partition in GRUB. */ -#define IS_PC_SLICE_TYPE_FAT(type) \ - ({ int _type = (type) & ~PC_SLICE_TYPE_HIDDEN_FLAG; \ - _type == PC_SLICE_TYPE_FAT12 \ - || _type == PC_SLICE_TYPE_FAT16_LT32M \ - || _type == PC_SLICE_TYPE_FAT16_GT32M \ - || _type == PC_SLICE_TYPE_FAT16_LBA \ - || _type == PC_SLICE_TYPE_FAT32 \ - || _type == PC_SLICE_TYPE_FAT32_LBA \ - || _type == PC_SLICE_TYPE_DELL_UTIL; }) - -#define IS_PC_SLICE_TYPE_MINIX(type) \ - (((type) == PC_SLICE_TYPE_MINIX) \ - || ((type) == PC_SLICE_TYPE_LINUX_MINIX)) - -#define IS_PC_SLICE_TYPE_BSD_WITH_FS(type,fs) 0 - -/* possible values for the *BSD-style partition type */ -#define FS_UNUSED 0 /* unused */ -#define FS_SWAP 1 /* swap */ -#define FS_V6 2 /* Sixth Edition */ -#define FS_V7 3 /* Seventh Edition */ -#define FS_SYSV 4 /* System V */ -#define FS_V71K 5 /* V7 with 1K blocks (4.1, 2.9) */ -#define FS_V8 6 /* Eighth Edition, 4K blocks */ -#define FS_BSDFFS 7 /* 4.2BSD fast file system */ -#define FS_MSDOS 8 /* MSDOS file system */ -#define FS_BSDLFS 9 /* 4.4BSD log-structured file system */ -#define FS_OTHER 10 /* in use, but unknown/unsupported */ -#define FS_HPFS 11 /* OS/2 high-performance file system */ -#define FS_ISO9660 12 /* ISO 9660, normally CD-ROM */ -#define FS_BOOT 13 /* partition contains bootstrap */ -#define FS_ADOS 14 /* AmigaDOS fast file system */ -#define FS_HFS 15 /* Macintosh HFS */ -#define FS_FILECORE 16 /* Acorn Filecore Filing System */ -#define FS_EXT2FS 17 /* Linux Extended 2 file system */ diff --git a/qemu/roms/openbios/fs/grubfs/fs.h b/qemu/roms/openbios/fs/grubfs/fs.h deleted file mode 100644 index 260e92647..000000000 --- a/qemu/roms/openbios/fs/grubfs/fs.h +++ /dev/null @@ -1,457 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * Copyright (c) 1982, 1986 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * @(#)fs.h 7.7 (Berkeley) 5/9/89 - */ - -/* - * Each disk drive contains some number of file systems. - * A file system consists of a number of cylinder groups. - * Each cylinder group has inodes and data. - * - * A file system is described by its super-block, which in turn - * describes the cylinder groups. The super-block is critical - * data and is replicated in each cylinder group to protect against - * catastrophic loss. This is done at `newfs' time and the critical - * super-block data does not change, so the copies need not be - * referenced further unless disaster strikes. - * - * For file system fs, the offsets of the various blocks of interest - * are given in the super block as: - * [fs->fs_sblkno] Super-block - * [fs->fs_cblkno] Cylinder group block - * [fs->fs_iblkno] Inode blocks - * [fs->fs_dblkno] Data blocks - * The beginning of cylinder group cg in fs, is given by - * the ``cgbase(fs, cg)'' macro. - * - * The first boot and super blocks are given in absolute disk addresses. - * The byte-offset forms are preferred, as they don't imply a sector size. - */ -#define BBSIZE 8192 -#define SBSIZE 8192 -#define BBOFF ((mach_off_t)(0)) -#define SBOFF ((mach_off_t)(BBOFF + BBSIZE)) -#define BBLOCK ((mach_daddr_t)(0)) -#define SBLOCK ((mach_daddr_t)(BBLOCK + BBSIZE / DEV_BSIZE)) - -/* - * Addresses stored in inodes are capable of addressing fragments - * of `blocks'. File system blocks of at most size MAXBSIZE can - * be optionally broken into 2, 4, or 8 pieces, each of which is - * addressible; these pieces may be DEV_BSIZE, or some multiple of - * a DEV_BSIZE unit. - * - * Large files consist of exclusively large data blocks. To avoid - * undue wasted disk space, the last data block of a small file may be - * allocated as only as many fragments of a large block as are - * necessary. The file system format retains only a single pointer - * to such a fragment, which is a piece of a single large block that - * has been divided. The size of such a fragment is determinable from - * information in the inode, using the ``blksize(fs, ip, lbn)'' macro. - * - * The file system records space availability at the fragment level; - * to determine block availability, aligned fragments are examined. - * - * The root inode is the root of the file system. - * Inode 0 can't be used for normal purposes and - * historically bad blocks were linked to inode 1, - * thus the root inode is 2. (inode 1 is no longer used for - * this purpose, however numerous dump tapes make this - * assumption, so we are stuck with it) - */ -#define ROOTINO ((mach_ino_t)2) /* i number of all roots */ - -/* - * MINBSIZE is the smallest allowable block size. - * In order to insure that it is possible to create files of size - * 2^32 with only two levels of indirection, MINBSIZE is set to 4096. - * MINBSIZE must be big enough to hold a cylinder group block, - * thus changes to (struct cg) must keep its size within MINBSIZE. - * Note that super blocks are always of size SBSIZE, - * and that both SBSIZE and MAXBSIZE must be >= MINBSIZE. - */ -#define MINBSIZE 4096 - -/* - * The path name on which the file system is mounted is maintained - * in fs_fsmnt. MAXMNTLEN defines the amount of space allocated in - * the super block for this name. - * The limit on the amount of summary information per file system - * is defined by MAXCSBUFS. It is currently parameterized for a - * maximum of two million cylinders. - */ -#define MAXMNTLEN 512 -#define MAXCSBUFS 32 - -/* - * Per cylinder group information; summarized in blocks allocated - * from first cylinder group data blocks. These blocks have to be - * read in from fs_csaddr (size fs_cssize) in addition to the - * super block. - * - * N.B. sizeof(struct csum) must be a power of two in order for - * the ``fs_cs'' macro to work (see below). - */ -struct csum - { - int cs_ndir; /* number of directories */ - int cs_nbfree; /* number of free blocks */ - int cs_nifree; /* number of free inodes */ - int cs_nffree; /* number of free frags */ - }; - -/* - * Super block for a file system. - */ -#define FS_MAGIC 0x011954 -struct fs - { - int xxx1; /* struct fs *fs_link; */ - int xxx2; /* struct fs *fs_rlink; */ - mach_daddr_t fs_sblkno; /* addr of super-block in filesys */ - mach_daddr_t fs_cblkno; /* offset of cyl-block in filesys */ - mach_daddr_t fs_iblkno; /* offset of inode-blocks in filesys */ - mach_daddr_t fs_dblkno; /* offset of first data after cg */ - int fs_cgoffset; /* cylinder group offset in cylinder */ - int fs_cgmask; /* used to calc mod fs_ntrak */ - mach_time_t fs_time; /* last time written */ - int fs_size; /* number of blocks in fs */ - int fs_dsize; /* number of data blocks in fs */ - int fs_ncg; /* number of cylinder groups */ - int fs_bsize; /* size of basic blocks in fs */ - int fs_fsize; /* size of frag blocks in fs */ - int fs_frag; /* number of frags in a block in fs */ -/* these are configuration parameters */ - int fs_minfree; /* minimum percentage of free blocks */ - int fs_rotdelay; /* num of ms for optimal next block */ - int fs_rps; /* disk revolutions per second */ -/* these fields can be computed from the others */ - int fs_bmask; /* ``blkoff'' calc of blk offsets */ - int fs_fmask; /* ``fragoff'' calc of frag offsets */ - int fs_bshift; /* ``lblkno'' calc of logical blkno */ - int fs_fshift; /* ``numfrags'' calc number of frags */ -/* these are configuration parameters */ - int fs_maxcontig; /* max number of contiguous blks */ - int fs_maxbpg; /* max number of blks per cyl group */ -/* these fields can be computed from the others */ - int fs_fragshift; /* block to frag shift */ - int fs_fsbtodb; /* fsbtodb and dbtofsb shift constant */ - int fs_sbsize; /* actual size of super block */ - int fs_csmask; /* csum block offset */ - int fs_csshift; /* csum block number */ - int fs_nindir; /* value of NINDIR */ - int fs_inopb; /* value of INOPB */ - int fs_nspf; /* value of NSPF */ -/* yet another configuration parameter */ - int fs_optim; /* optimization preference, see below */ -/* these fields are derived from the hardware */ - int fs_npsect; /* # sectors/track including spares */ - int fs_interleave; /* hardware sector interleave */ - int fs_trackskew; /* sector 0 skew, per track */ - int fs_headswitch; /* head switch time, usec */ - int fs_trkseek; /* track-to-track seek, usec */ -/* sizes determined by number of cylinder groups and their sizes */ - mach_daddr_t fs_csaddr; /* blk addr of cyl grp summary area */ - int fs_cssize; /* size of cyl grp summary area */ - int fs_cgsize; /* cylinder group size */ -/* these fields are derived from the hardware */ - int fs_ntrak; /* tracks per cylinder */ - int fs_nsect; /* sectors per track */ - int fs_spc; /* sectors per cylinder */ -/* this comes from the disk driver partitioning */ - int fs_ncyl; /* cylinders in file system */ -/* these fields can be computed from the others */ - int fs_cpg; /* cylinders per group */ - int fs_ipg; /* inodes per group */ - int fs_fpg; /* blocks per group * fs_frag */ -/* this data must be re-computed after crashes */ - struct csum fs_cstotal; /* cylinder summary information */ -/* these fields are cleared at mount time */ - char fs_fmod; /* super block modified flag */ - char fs_clean; /* file system is clean flag */ - char fs_ronly; /* mounted read-only flag */ - char fs_flags; /* currently unused flag */ - char fs_fsmnt[MAXMNTLEN]; /* name mounted on */ -/* these fields retain the current block allocation info */ - int fs_cgrotor; /* last cg searched */ -#if 1 - int was_fs_csp[MAXCSBUFS]; -#else - struct csum *fs_csp[MAXCSBUFS]; /* list of fs_cs info buffers */ -#endif - int fs_cpc; /* cyl per cycle in postbl */ - short fs_opostbl[16][8]; /* old rotation block list head */ - long fs_sparecon[50]; /* reserved for future constants */ - long fs_contigsumsize; /* size of cluster summary array */ - long fs_maxsymlinklen; /* max length of an internal symlink */ - long fs_inodefmt; /* format of on-disk inodes */ - quad fs_maxfilesize; /* maximum representable file size */ - quad fs_qbmask; /* ~fs_bmask - for use with quad size */ - quad fs_qfmask; /* ~fs_fmask - for use with quad size */ - long fs_state; /* validate fs_clean field */ - int fs_postblformat; /* format of positional layout tables */ - int fs_nrpos; /* number of rotaional positions */ - int fs_postbloff; /* (short) rotation block list head */ - int fs_rotbloff; /* (char) blocks for each rotation */ - int fs_magic; /* magic number */ - unsigned char fs_space[1]; /* list of blocks for each rotation */ -/* actually longer */ - }; -/* - * Preference for optimization. - */ -#define FS_OPTTIME 0 /* minimize allocation time */ -#define FS_OPTSPACE 1 /* minimize disk fragmentation */ - -/* - * Rotational layout table format types - */ -#define FS_42POSTBLFMT -1 /* 4.2BSD rotational table format */ -#define FS_DYNAMICPOSTBLFMT 1 /* dynamic rotational table format */ -/* - * Macros for access to superblock array structures - */ -#define fs_postbl(fs, cylno) \ - (((fs)->fs_postblformat == FS_42POSTBLFMT) \ - ? ((fs)->fs_opostbl[cylno]) \ - : ((short *)((char *)(fs) + (fs)->fs_postbloff) + (cylno) * (fs)->fs_nrpos)) -#define fs_rotbl(fs) \ - (((fs)->fs_postblformat == FS_42POSTBLFMT) \ - ? ((fs)->fs_space) \ - : ((unsigned char *)((char *)(fs) + (fs)->fs_rotbloff))) - -/* - * Convert cylinder group to base address of its global summary info. - * - * N.B. This macro assumes that sizeof(struct csum) is a power of two. - */ -#define fs_cs(fs, indx) \ - fs_csp[(indx) >> (fs)->fs_csshift][(indx) & ~(fs)->fs_csmask] - -/* - * Cylinder group block for a file system. - */ -#define CG_MAGIC 0x090255 -struct cg - { - int xxx1; /* struct cg *cg_link; */ - int cg_magic; /* magic number */ - mach_time_t cg_time; /* time last written */ - int cg_cgx; /* we are the cgx'th cylinder group */ - short cg_ncyl; /* number of cyl's this cg */ - short cg_niblk; /* number of inode blocks this cg */ - int cg_ndblk; /* number of data blocks this cg */ - struct csum cg_cs; /* cylinder summary information */ - int cg_rotor; /* position of last used block */ - int cg_frotor; /* position of last used frag */ - int cg_irotor; /* position of last used inode */ - int cg_frsum[MAXFRAG]; /* counts of available frags */ - int cg_btotoff; /* (long) block totals per cylinder */ - int cg_boff; /* (short) free block positions */ - int cg_iusedoff; /* (char) used inode map */ - int cg_freeoff; /* (char) free block map */ - int cg_nextfreeoff; /* (char) next available space */ - int cg_sparecon[16]; /* reserved for future use */ - unsigned char cg_space[1]; /* space for cylinder group maps */ -/* actually longer */ - }; -/* - * Macros for access to cylinder group array structures - */ -#define cg_blktot(cgp) \ - (((cgp)->cg_magic != CG_MAGIC) \ - ? (((struct ocg *)(cgp))->cg_btot) \ - : ((int *)((char *)(cgp) + (cgp)->cg_btotoff))) -#define cg_blks(fs, cgp, cylno) \ - (((cgp)->cg_magic != CG_MAGIC) \ - ? (((struct ocg *)(cgp))->cg_b[cylno]) \ - : ((short *)((char *)(cgp) + (cgp)->cg_boff) + (cylno) * (fs)->fs_nrpos)) -#define cg_inosused(cgp) \ - (((cgp)->cg_magic != CG_MAGIC) \ - ? (((struct ocg *)(cgp))->cg_iused) \ - : ((char *)((char *)(cgp) + (cgp)->cg_iusedoff))) -#define cg_blksfree(cgp) \ - (((cgp)->cg_magic != CG_MAGIC) \ - ? (((struct ocg *)(cgp))->cg_free) \ - : ((unsigned char *)((char *)(cgp) + (cgp)->cg_freeoff))) -#define cg_chkmagic(cgp) \ - ((cgp)->cg_magic == CG_MAGIC || ((struct ocg *)(cgp))->cg_magic == CG_MAGIC) - -/* - * The following structure is defined - * for compatibility with old file systems. - */ -struct ocg - { - int xxx1; /* struct ocg *cg_link; */ - int xxx2; /* struct ocg *cg_rlink; */ - mach_time_t cg_time; /* time last written */ - int cg_cgx; /* we are the cgx'th cylinder group */ - short cg_ncyl; /* number of cyl's this cg */ - short cg_niblk; /* number of inode blocks this cg */ - int cg_ndblk; /* number of data blocks this cg */ - struct csum cg_cs; /* cylinder summary information */ - int cg_rotor; /* position of last used block */ - int cg_frotor; /* position of last used frag */ - int cg_irotor; /* position of last used inode */ - int cg_frsum[8]; /* counts of available frags */ - int cg_btot[32]; /* block totals per cylinder */ - short cg_b[32][8]; /* positions of free blocks */ - char cg_iused[256]; /* used inode map */ - int cg_magic; /* magic number */ - unsigned char cg_free[1]; /* free block map */ -/* actually longer */ - }; - -/* - * Turn file system block numbers into disk block addresses. - * This maps file system blocks to device size blocks. - */ -#define fsbtodb(fs, b) ((b) << (fs)->fs_fsbtodb) -#define dbtofsb(fs, b) ((b) >> (fs)->fs_fsbtodb) - -/* - * Cylinder group macros to locate things in cylinder groups. - * They calc file system addresses of cylinder group data structures. - */ -#define cgbase(fs, c) ((mach_daddr_t)((fs)->fs_fpg * (c))) -#define cgstart(fs, c) \ - (cgbase(fs, c) + (fs)->fs_cgoffset * ((c) & ~((fs)->fs_cgmask))) -#define cgsblock(fs, c) (cgstart(fs, c) + (fs)->fs_sblkno) /* super blk */ -#define cgtod(fs, c) (cgstart(fs, c) + (fs)->fs_cblkno) /* cg block */ -#define cgimin(fs, c) (cgstart(fs, c) + (fs)->fs_iblkno) /* inode blk */ -#define cgdmin(fs, c) (cgstart(fs, c) + (fs)->fs_dblkno) /* 1st data */ - -/* - * Macros for handling inode numbers: - * inode number to file system block offset. - * inode number to cylinder group number. - * inode number to file system block address. - */ -#define itoo(fs, x) ((x) % INOPB(fs)) -#define itog(fs, x) ((x) / (fs)->fs_ipg) -#define itod(fs, x) \ - ((mach_daddr_t)(cgimin(fs, itog(fs, x)) + \ - (blkstofrags((fs), (((x) % (fs)->fs_ipg) / INOPB(fs)))))) - -/* - * Give cylinder group number for a file system block. - * Give cylinder group block number for a file system block. - */ -#define dtog(fs, d) ((d) / (fs)->fs_fpg) -#define dtogd(fs, d) ((d) % (fs)->fs_fpg) - -/* - * Extract the bits for a block from a map. - * Compute the cylinder and rotational position of a cyl block addr. - */ -#define blkmap(fs, map, loc) \ - (((map)[(loc) / NBBY] >> ((loc) % NBBY)) & (0xff >> (NBBY - (fs)->fs_frag))) -#define cbtocylno(fs, bno) \ - ((bno) * NSPF(fs) / (fs)->fs_spc) -#define cbtorpos(fs, bno) \ - (((bno) * NSPF(fs) % (fs)->fs_spc / (fs)->fs_nsect * (fs)->fs_trackskew + \ - (bno) * NSPF(fs) % (fs)->fs_spc % (fs)->fs_nsect * (fs)->fs_interleave) % \ - (fs)->fs_nsect * (fs)->fs_nrpos / (fs)->fs_npsect) - -/* - * The following macros optimize certain frequently calculated - * quantities by using shifts and masks in place of divisions - * modulos and multiplications. - */ -#define blkoff(fs, loc) /* calculates (loc % fs->fs_bsize) */ \ - ((loc) & ~(fs)->fs_bmask) -#define fragoff(fs, loc) /* calculates (loc % fs->fs_fsize) */ \ - ((loc) & ~(fs)->fs_fmask) -#define lblkno(fs, loc) /* calculates (loc / fs->fs_bsize) */ \ - ((loc) >> (fs)->fs_bshift) -#define numfrags(fs, loc) /* calculates (loc / fs->fs_fsize) */ \ - ((loc) >> (fs)->fs_fshift) -#define blkroundup(fs, size) /* calculates roundup(size, fs->fs_bsize) */ \ - (((size) + (fs)->fs_bsize - 1) & (fs)->fs_bmask) -#define fragroundup(fs, size) /* calculates roundup(size, fs->fs_fsize) */ \ - (((size) + (fs)->fs_fsize - 1) & (fs)->fs_fmask) -#define fragstoblks(fs, frags) /* calculates (frags / fs->fs_frag) */ \ - ((frags) >> (fs)->fs_fragshift) -#define blkstofrags(fs, blks) /* calculates (blks * fs->fs_frag) */ \ - ((blks) << (fs)->fs_fragshift) -#define fragnum(fs, fsb) /* calculates (fsb % fs->fs_frag) */ \ - ((fsb) & ((fs)->fs_frag - 1)) -#define blknum(fs, fsb) /* calculates rounddown(fsb, fs->fs_frag) */ \ - ((fsb) &~ ((fs)->fs_frag - 1)) - -/* - * Determine the number of available frags given a - * percentage to hold in reserve - */ -#define freespace(fs, percentreserved) \ - (blkstofrags((fs), (fs)->fs_cstotal.cs_nbfree) + \ - (fs)->fs_cstotal.cs_nffree - ((fs)->fs_dsize * (percentreserved) / 100)) - -/* - * Determining the size of a file block in the file system. - */ -#define blksize(fs, ip, lbn) \ - (((lbn) >= NDADDR || (ip)->i_size >= ((lbn) + 1) << (fs)->fs_bshift) \ - ? (fs)->fs_bsize \ - : (fragroundup(fs, blkoff(fs, (ip)->i_size)))) -#define dblksize(fs, dip, lbn) \ - (((lbn) >= NDADDR || (dip)->di_size >= ((lbn) + 1) << (fs)->fs_bshift) \ - ? (fs)->fs_bsize \ - : (fragroundup(fs, blkoff(fs, (dip)->di_size)))) - -/* - * Number of disk sectors per block; assumes DEV_BSIZE byte sector size. - */ -#define NSPB(fs) ((fs)->fs_nspf << (fs)->fs_fragshift) -#define NSPF(fs) ((fs)->fs_nspf) - -/* - * INOPB is the number of inodes in a secondary storage block. - */ -#define INOPB(fs) ((fs)->fs_inopb) -#define INOPF(fs) ((fs)->fs_inopb >> (fs)->fs_fragshift) - -/* - * NINDIR is the number of indirects in a file system block. - */ -#define NINDIR(fs) ((fs)->fs_nindir) diff --git a/qemu/roms/openbios/fs/grubfs/fsys_affs.c b/qemu/roms/openbios/fs/grubfs/fsys_affs.c deleted file mode 100644 index c4a76322b..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_affs.c +++ /dev/null @@ -1,712 +0,0 @@ -#ifdef FSYS_AFFS -#include "shared.h" -#include "filesys.h" - -/******************************** RDB definitions */ -#define RDB_LOCATION_LIMIT 16 -#define IDNAME_RIGIDDISK 0x5244534B /* 'RDSK' */ - -struct RigidDiskBlock -{ - unsigned long rdb_ID; - unsigned long rdb_SummedLongs; - long rdb_ChkSum; - unsigned long rdb_HostID; - unsigned long rdb_BlockBytes; - unsigned long rdb_Flags; - unsigned long rdb_BadBlockList; - unsigned long rdb_PartitionList; - unsigned long rdb_FileSysHeaderList; - unsigned long rdb_DriveInit; - unsigned long rdb_Reserved1[6]; - unsigned long rdb_Cylinders; - unsigned long rdb_Sectors; - unsigned long rdb_Heads; - unsigned long rdb_Interleave; - unsigned long rdb_Park; - unsigned long rdb_Reserved2[3]; - unsigned long rdb_WritePreComp; - unsigned long rdb_ReducedWrite; - unsigned long rdb_StepRate; - unsigned long rdb_Reserved3[5]; - unsigned long rdb_RDBBlocksLo; - unsigned long rdb_RDBBlocksHi; - unsigned long rdb_LoCylinder; - unsigned long rdb_HiCylinder; - unsigned long rdb_CylBlocks; - unsigned long rdb_AutoParkSeconds; - unsigned long rdb_HighRDSKBlock; - unsigned long rdb_Reserved4; - char rdb_DiskVendor[8]; - char rdb_DiskProduct[16]; - char rdb_DiskRevision[4]; - char rdb_ControllerVendor[8]; - char rdb_ControllerProduct[16]; - char rdb_ControllerRevision[4]; - char rdb_DriveInitName[40]; -}; - -struct PartitionBlock -{ - unsigned long pb_ID; - unsigned long pb_SummedLongs; - long pb_ChkSum; - unsigned long pb_HostID; - unsigned long pb_Next; - unsigned long pb_Flags; - unsigned long pb_Reserved1[2]; - unsigned long pb_DevFlags; - char pb_DriveName[32]; - unsigned long pb_Reserved2[15]; - unsigned long pb_Environment[20]; - unsigned long pb_EReserved[12]; -}; - -#define DE_TABLESIZE 0 -#define DE_SIZEBLOCK 1 -#define DE_BLOCKSIZE 2 -#define DE_NUMHEADS 3 -#define DE_SECSPERBLOCK 4 -#define DE_BLKSPERTRACK 5 -#define DE_RESERVEDBLKS 6 -#define DE_PREFAC 7 -#define DE_INTERLEAVE 8 -#define DE_LOWCYL 9 -#define DE_HIGHCYL 10 -#define DE_UPPERCYL DE_HIGHCYL -#define DE_NUMBUFFERS 11 -#define DE_BUFMEMTYPE 12 -#define DE_MEMBUFTYPE DE_BUFMEMTYPE -#define DE_MAXTRANSFER 13 -#define DE_MASK 14 -#define DE_BOOTPRI 15 -#define DE_DOSTYPE 16 -#define DE_BAUD 17 -#define DE_CONTROL 18 -#define DE_BOOTBLOCKS 19 - - -/******************************** AFFS definitions */ -#define T_SHORT 2 -#define T_LIST 16 - -#define ST_FILE -3 -#define ST_ROOT 1 -#define ST_USERDIR 2 - -struct BootBlock{ - int id; - int chksum; - int rootblock; - int data[127]; -}; - -struct RootBlock{ - int p_type; //0 - int n1[2]; //1-2 - int hashtable_size; //3 - int n2; //4 - int checksum; //5 - int hashtable[72]; //6-77 - int bitmap_valid_flag; //78 - int bitmap_ptrs[25]; //79-103 - int bitmap_extension; //104 - int root_days; //105 - int root_mins; //106 - int root_ticks; //107; - char diskname[32]; //108-115 - int n3[2]; //116-117 - int volume_days; //118 - int volume_mins; //119 - int volume_ticks; //120 - int creation_days; //121 - int creation_mins; //122 - int creation_ticks; //123 - int n4[3]; //124-126 - int s_type; //127 -}; - -struct DirHeader { - int p_type; //0 - int own_key; //1 - int n1[3]; //2-4 - int checksum; //5 - int hashtable[72]; //6-77 - int n2; //78 - int owner; //79 - int protection; //80 - int n3; //81 - char comment[92]; //82-104 - int days; //105 - int mins; //106 - int ticks; //107 - char name[32]; //108-115 - int n4[2]; //116-117 - int linkchain; //118 - int n5[5]; //119-123 - int hashchain; //124 - int parent; //125 - int n6; //126 - int s_type; //127 -}; - -struct FileHeader { - int p_type; //0 - int own_key; //1 - int n1[3]; //2-4 - int checksum; //5 - int filekey_table[72]; //6-77 - int n2; //78 - int owner; //79 - int protection; //80 - int bytesize; //81 - char comment[92]; //82-104 - int days; //105 - int mins; //106 - int ticks; //107 - char name[32]; //108-115 - int n3[2]; //116-117 - int linkchain; //118 - int n4[5]; //119-123 - int hashchain; //124 - int parent; //125 - int extension; //126 - int s_type; //127 -}; - -struct FileKeyExtension{ - int p_type; //0 - int own_key; //1 - int table_size; //2 - int n1[2]; //3-4 - int checksum; //5 - int filekey_table[72]; //6-77 - int info[46]; //78-123 - int n2; //124 - int parent; //125 - int extension; //126 - int s_type; //127 -}; - -struct Position { - unsigned int block; - short filekey; - unsigned short byte; - unsigned int offset; -}; - -struct ReadData { - unsigned int header_block; - struct Position current; - unsigned int filesize; -}; - -//#warning "Big vs. little endian for configure needed" -#define AROS_BE2LONG(l) \ - ( \ - ((((unsigned long)(l)) >> 24) & 0x000000FFUL) | \ - ((((unsigned long)(l)) >> 8) & 0x0000FF00UL) | \ - ((((unsigned long)(l)) << 8) & 0x00FF0000UL) | \ - ((((unsigned long)(l)) << 24) & 0xFF000000UL) \ - ) - -struct CacheBlock { - int blocknum; - unsigned short flags; - unsigned short access_count; - unsigned int blockbuffer[128]; -}; -#define LockBuffer(x) (((struct CacheBlock *)(x))->flags |= 0x0001) -#define UnLockBuffer(x) (((struct CacheBlock *)(x))->flags &= ~0x0001) - -#define MAX_CACHE_BLOCKS 10 - -struct FSysBuffer { - struct ReadData file; - struct CacheBlock blocks[MAX_CACHE_BLOCKS]; -}; - -#define bootBlock(x) ((struct BootBlock *)(x)->blockbuffer) -#define rootBlock(x) ((struct RootBlock *)(x)->blockbuffer) -#define dirHeader(x) ((struct DirHeader *)(x)->blockbuffer) -#define fileHeader(x) ((struct FileHeader *)(x)->blockbuffer) -#define extensionBlock(x) ((struct FileKeyExtension *)(x)->blockbuffer) - -#define rdsk(x) ((struct RigidDiskBlock *)(x)->blockbuffer) -#define part(x) ((struct PartitionBlock *)(x)->blockbuffer) - -static struct FSysBuffer *fsysb; -static int blockoffset; /* offset if there is an embedded RDB partition */ -static int rootb; /* block number of root block */ -static int rdbb; /* block number of rdb block */ - -static void initCache(void) -{ -int i; - - for (i=0;i<MAX_CACHE_BLOCKS;i++) - { - fsysb->blocks[i].blocknum = -1; - fsysb->blocks[i].flags = 0; - fsysb->blocks[i].access_count = 0; - } -} - -static struct CacheBlock *getBlock(unsigned int block) -{ -struct CacheBlock *freeblock; -int i; - - /* get first unlocked block */ - i = 0; - do - { - freeblock = &fsysb->blocks[i++]; - } while (freeblock->flags & 0x0001); - /* search through list if block is already loaded in */ - for (i=0;i<MAX_CACHE_BLOCKS;i++) - { - if (fsysb->blocks[i].blocknum == block) - { - fsysb->blocks[i].access_count++; - return &fsysb->blocks[i]; - } - if (!(fsysb->blocks[i].flags & 0x0001)) - if (freeblock->access_count>fsysb->blocks[i].access_count) - freeblock = &fsysb->blocks[i]; - } - freeblock->blocknum = block; - devread(block+blockoffset, 0, 512, (char *)freeblock->blockbuffer); - return freeblock; -} - -static unsigned int calcChkSum(unsigned short SizeBlock, unsigned int *buffer) -{ -unsigned int sum=0,count=0; - - for (count=0;count<SizeBlock;count++) - sum += AROS_BE2LONG(buffer[count]); - return sum; -} - -int affs_mount(void) { -struct CacheBlock *cblock; -int i; - - if ( - (current_drive & 0x80) && - (current_partition != 0xFFFFFF) && - (current_slice != 0x30) - ) - return 0; - fsysb = (struct FSysBuffer *)FSYS_BUF; - blockoffset = 0; - initCache(); - /* check for rdb partitiontable */ - for (i=0;i<RDB_LOCATION_LIMIT;i++) - { - cblock = getBlock(i); - if ( - ( - ((AROS_BE2LONG(bootBlock(cblock)->id) & 0xFFFFFF00)==0x444F5300) && - ((AROS_BE2LONG(bootBlock(cblock)->id) & 0xFF)>0) - ) || - (AROS_BE2LONG(cblock->blockbuffer[0]) == IDNAME_RIGIDDISK) - ) - break; - } - if (i == RDB_LOCATION_LIMIT) - return 0; - if (AROS_BE2LONG(cblock->blockbuffer[0]) == IDNAME_RIGIDDISK) - { - /* we have an RDB partition table within a MBR-Partition */ - rdbb = i; - } - else if (i<2) - { - /* partition type is 0x30 = AROS and AFFS formatted */ - rdbb = RDB_LOCATION_LIMIT; - rootb = (part_length-1+2)/2; - cblock = getBlock(rootb); - if ( - (AROS_BE2LONG(rootBlock(cblock)->p_type) != T_SHORT) || - (AROS_BE2LONG(rootBlock(cblock)->s_type) != ST_ROOT) || - calcChkSum(128, cblock->blockbuffer) - ) - return 0; - } - else - return 0; - return 1; -} - -static int seek(unsigned long offset) -{ -struct CacheBlock *cblock; -unsigned long block; -unsigned long togo; - - block = fsysb->file.header_block; - - togo = offset / 512; - fsysb->file.current.filekey = 71-(togo % 72); - togo /= 72; - fsysb->file.current.byte = offset % 512; - fsysb->file.current.offset = offset; - while ((togo) && (block)) - { - disk_read_func = disk_read_hook; - cblock = getBlock(block); - disk_read_func = NULL; - block = AROS_BE2LONG(extensionBlock(cblock)->extension); - togo--; - } - if (togo) - return 1; - fsysb->file.current.block = block; - return 0; -} - -int affs_read(char *buf, int len) { -struct CacheBlock *cblock; -unsigned short size; -unsigned int readbytes = 0; - - if (fsysb->file.current.offset != filepos) - { - if (seek(filepos)) - return ERR_FILELENGTH; - } - if (fsysb->file.current.block == 0) - return 0; - if (len>(fsysb->file.filesize-fsysb->file.current.offset)) - len=fsysb->file.filesize-fsysb->file.current.offset; - disk_read_func = disk_read_hook; - cblock = getBlock(fsysb->file.current.block); - disk_read_func = NULL; - while (len) - { - disk_read_func = disk_read_hook; - if (fsysb->file.current.filekey<0) - { - fsysb->file.current.filekey = 71; - fsysb->file.current.block = AROS_BE2LONG(extensionBlock(cblock)->extension); - if (fsysb->file.current.block) - { - cblock = getBlock(fsysb->file.current.block); - } - //#warning "else shouldn't occour" - } - size = 512; - size -= fsysb->file.current.byte; - if (size>len) - { - size = len; - devread - ( - AROS_BE2LONG - ( - extensionBlock(cblock)->filekey_table - [fsysb->file.current.filekey] - )+blockoffset, - fsysb->file.current.byte, size, (char *)((long)buf+readbytes) - ); - fsysb->file.current.byte += size; - } - else - { - devread - ( - AROS_BE2LONG - ( - extensionBlock(cblock)->filekey_table - [fsysb->file.current.filekey] - )+blockoffset, - fsysb->file.current.byte, size, (char *)((long)buf+readbytes) - ); - fsysb->file.current.byte = 0; - fsysb->file.current.filekey--; - } - disk_read_func = NULL; - len -= size; - readbytes += size; - } - fsysb->file.current.offset += readbytes; - filepos = fsysb->file.current.offset; - return readbytes; -} - -static unsigned char capitalch(unsigned char ch, unsigned char flags) -{ - - if ((flags==0) || (flags==1)) - return (unsigned char)((ch>='a') && (ch<='z') ? ch-('a'-'A') : ch); - else // DOS\(>=2) - return (unsigned char)(((ch>=224) && (ch<=254) && (ch!=247)) || - ((ch>='a') && (ch<='z')) ? ch-('a'-'A') : ch); -} - -// str2 is a BCPL string -static int noCaseStrCmp(char *str1, char *str2, unsigned char flags) -{ -unsigned char length; - - length=str2++[0]; - do { - if ((*str1==0) && (length==0)) - return 0; - length--; -// if ((*str1==0) && (*str2==0)) return 1; - } while (capitalch(*str1++,flags)==capitalch(*str2++,flags)); - str1--; - return (*str1) ? 1 : -1; -} - -static unsigned int getHashKey(char *name,unsigned int tablesize, unsigned char flags) -{ -unsigned int length; - - length=0; - while (name[length] != 0) - length++; - while (*name!=0) - length=(length * 13 +capitalch(*name++,flags)) & 0x7FF; - return length%tablesize; -} - -static grub_error_t getHeaderBlock(char *name, struct CacheBlock **dirh) -{ -int key; - - key = getHashKey(name, 72, 1); - if (!dirHeader(*dirh)->hashtable[key]) - return ERR_FILE_NOT_FOUND; - *dirh = getBlock(AROS_BE2LONG(dirHeader(*dirh)->hashtable[key])); - if (calcChkSum(128, (*dirh)->blockbuffer)) - { -#ifdef DEBUG_AFFS -printf("ghb: %d\n", (*dirh)->blocknum); -#endif - return ERR_FSYS_CORRUPT; - } - if (AROS_BE2LONG(dirHeader(*dirh)->p_type) != T_SHORT) - return ERR_BAD_FILETYPE; - while (noCaseStrCmp(name,dirHeader(*dirh)->name,1) != 0) - { - if (!dirHeader(*dirh)->hashchain) - return ERR_FILE_NOT_FOUND; - *dirh = getBlock(AROS_BE2LONG(dirHeader(*dirh)->hashchain)); - if (calcChkSum(128, (*dirh)->blockbuffer)) - { -#ifdef DEBUG_AFFS -printf("ghb2: %d\n", (*dirh)->blocknum); -#endif - return ERR_FSYS_CORRUPT; - } - if (AROS_BE2LONG(dirHeader(*dirh)->p_type) != T_SHORT) - return ERR_BAD_FILETYPE; - } - return 0; -} - -static char *copyPart(char *src, char *dst) -{ - while ((*src != '/') && (*src)) - *dst++ = *src++; - if (*src == '/') - src++; - *dst-- = 0; - /* cut off spaces at the end */ - while (*dst == ' ') - *dst-- = 0; - return src; -} - -static grub_error_t findBlock(char *name, struct CacheBlock **dirh) -{ -char dname[32]; -int block; - - name++; /* skip "/" */ - /* partition table part */ - if (rdbb < RDB_LOCATION_LIMIT) - { - int bpc; - - blockoffset = 0; - *dirh = getBlock(rdbb); - if (*name==0) - return 0; - name = copyPart(name, dname); - bpc = AROS_BE2LONG(rdsk(*dirh)->rdb_Sectors)*AROS_BE2LONG(rdsk(*dirh)->rdb_Heads); - block = AROS_BE2LONG(rdsk(*dirh)->rdb_PartitionList); - while (block != -1) - { - *dirh = getBlock(block); - if (noCaseStrCmp(dname, part(*dirh)->pb_DriveName, 1) == 0) - break; - block = AROS_BE2LONG(part(*dirh)->pb_Next); - } - if (block == -1) - return ERR_FILE_NOT_FOUND; - if ( - ((AROS_BE2LONG(part(*dirh)->pb_Environment[DE_DOSTYPE]) & 0xFFFFFF00)!=0x444F5300) || - ((AROS_BE2LONG(part(*dirh)->pb_Environment[DE_DOSTYPE]) & 0xFF)==0) - ) - return ERR_BAD_FILETYPE; - blockoffset = AROS_BE2LONG(part(*dirh)->pb_Environment[DE_LOWCYL]); - rootb = AROS_BE2LONG(part(*dirh)->pb_Environment[DE_HIGHCYL]); - rootb = rootb-blockoffset+1; /* highcyl-lowcyl+1 */ - rootb *= bpc; - rootb = rootb-1+AROS_BE2LONG(part(*dirh)->pb_Environment[DE_RESERVEDBLKS]); - rootb /= 2; - blockoffset *= bpc; - } - - /* filesystem part */ - *dirh = getBlock(rootb); - while (*name) - { - if ( - (AROS_BE2LONG(dirHeader(*dirh)->s_type) != ST_ROOT) && - (AROS_BE2LONG(dirHeader(*dirh)->s_type) != ST_USERDIR) - ) - return ERR_BAD_FILETYPE; - name = copyPart(name, dname); - errnum = getHeaderBlock(dname, dirh); - if (errnum) - return errnum; - } - return 0; -} - -#ifndef STAGE1_5 -static void checkPossibility(char *filename, char *bstr) -{ - char cstr[32]; - - if (noCaseStrCmp(filename, bstr, 1)<=0) - { - if (print_possibilities>0) - print_possibilities = -print_possibilities; - memcpy(cstr, bstr+1, bstr[0]); - cstr[bstr[0]]=0; - print_a_completion(cstr); - } -} -#else -#define checkPossibility(a, b) do { } while(0) -#endif - -int affs_dir(char *dirname) -{ - struct CacheBlock *buffer1; - struct CacheBlock *buffer2; - char *current = dirname; - char filename[128]; - char *fname = filename; - int i,block; - - if (print_possibilities) - { - while (*current) - current++; - while (*current != '/') - current--; - current++; - while (*current) - { - *fname++ = *current; - *current++ = 0; - } - *fname=0; - errnum = findBlock(dirname, &buffer1); - if (errnum) - return 0; - if (AROS_BE2LONG(dirHeader(buffer1)->p_type) == IDNAME_RIGIDDISK) - { - block = AROS_BE2LONG(rdsk(buffer1)->rdb_PartitionList); - while (block != -1) - { - buffer1 = getBlock(block); - checkPossibility(filename, part(buffer1)->pb_DriveName); - block = AROS_BE2LONG(part(buffer1)->pb_Next); - } -#ifndef STAGE1_5 - if (*filename == 0) - if (print_possibilities>0) - print_possibilities = -print_possibilities; -#endif - } - else if (AROS_BE2LONG(dirHeader(buffer1)->p_type) == T_SHORT) - { - LockBuffer(buffer1); - for (i=0;i<72;i++) - { - block = dirHeader(buffer1)->hashtable[i]; - while (block) - { - buffer2 = getBlock(AROS_BE2LONG(block)); - if (calcChkSum(128, buffer2->blockbuffer)) - { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - if (AROS_BE2LONG(dirHeader(buffer2)->p_type) != T_SHORT) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - checkPossibility(filename, dirHeader(buffer2)->name); - block = dirHeader(buffer2)->hashchain; - } - } - UnLockBuffer(buffer1); -#ifndef STAGE1_5 - if (*filename == 0) - if (print_possibilities>0) - print_possibilities = -print_possibilities; -#endif - } - else - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - while (*current != '/') - current--; - current++; - fname = filename; - while (*fname) - *current++ = *fname++; - //#warning "TODO: add some more chars until possibilities differ" - if (print_possibilities>0) - errnum = ERR_FILE_NOT_FOUND; - return (print_possibilities<0); - } - else - { - while (*current && !isspace(*current)) - *fname++ = *current++; - *fname = 0; - - errnum = findBlock(filename, &buffer2); - if (errnum) - return 0; - if (AROS_BE2LONG(fileHeader(buffer2)->s_type)!=ST_FILE) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - fsysb->file.header_block = AROS_BE2LONG(fileHeader(buffer2)->own_key); - fsysb->file.current.block = AROS_BE2LONG(fileHeader(buffer2)->own_key); - fsysb->file.current.filekey = 71; - fsysb->file.current.byte = 0; - fsysb->file.current.offset = 0; - fsysb->file.filesize = AROS_BE2LONG(fileHeader(buffer2)->bytesize); - filepos = 0; - filemax = fsysb->file.filesize; - return 1; - } -} -#endif diff --git a/qemu/roms/openbios/fs/grubfs/fsys_ext2fs.c b/qemu/roms/openbios/fs/grubfs/fsys_ext2fs.c deleted file mode 100644 index 05425bbd3..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_ext2fs.c +++ /dev/null @@ -1,794 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999, 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifdef FSYS_EXT2FS - -#include "config.h" -#include "shared.h" -#include "filesys.h" -#include "libc/byteorder.h" - -#ifdef CONFIG_DEBUG_EXT2FS -#define E2DEBUG -#endif - -static int mapblock1, mapblock2; - -/* sizes are always in bytes, BLOCK values are always in DEV_BSIZE (sectors) */ -#define DEV_BSIZE 512 - -/* include/linux/fs.h */ -#define BLOCK_SIZE 1024 /* initial block size for superblock read */ -/* made up, defaults to 1 but can be passed via mount_opts */ -#define WHICH_SUPER 1 -/* kind of from fs/ext2/super.c */ -#define SBLOCK (WHICH_SUPER * BLOCK_SIZE / DEV_BSIZE) /* = 2 */ - -/* include/asm-i386/types.h */ -typedef __signed__ char __s8; -typedef unsigned char __u8; -typedef __signed__ short __s16; -typedef unsigned short __u16; -typedef __signed__ int __s32; -typedef unsigned int __u32; - -/* - * Constants relative to the data blocks, from ext2_fs.h - */ -#define EXT2_NDIR_BLOCKS 12 -#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS -#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1) -#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1) -#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1) - -/* include/linux/ext2_fs.h */ -struct ext2_super_block - { - __u32 s_inodes_count; /* Inodes count */ - __u32 s_blocks_count; /* Blocks count */ - __u32 s_r_blocks_count; /* Reserved blocks count */ - __u32 s_free_blocks_count; /* Free blocks count */ - __u32 s_free_inodes_count; /* Free inodes count */ - __u32 s_first_data_block; /* First Data Block */ - __u32 s_log_block_size; /* Block size */ - __s32 s_log_frag_size; /* Fragment size */ - __u32 s_blocks_per_group; /* # Blocks per group */ - __u32 s_frags_per_group; /* # Fragments per group */ - __u32 s_inodes_per_group; /* # Inodes per group */ - __u32 s_mtime; /* Mount time */ - __u32 s_wtime; /* Write time */ - __u16 s_mnt_count; /* Mount count */ - __s16 s_max_mnt_count; /* Maximal mount count */ - __u16 s_magic; /* Magic signature */ - __u16 s_state; /* File system state */ - __u16 s_errors; /* Behaviour when detecting errors */ - __u16 s_pad; - __u32 s_lastcheck; /* time of last check */ - __u32 s_checkinterval; /* max. time between checks */ - __u32 s_creator_os; /* OS */ - __u32 s_rev_level; /* Revision level */ - __u16 s_def_resuid; /* Default uid for reserved blocks */ - __u16 s_def_resgid; /* Default gid for reserved blocks */ - __u32 s_reserved[235]; /* Padding to the end of the block */ - }; - -struct ext2_group_desc - { - __u32 bg_block_bitmap; /* Blocks bitmap block */ - __u32 bg_inode_bitmap; /* Inodes bitmap block */ - __u32 bg_inode_table; /* Inodes table block */ - __u16 bg_free_blocks_count; /* Free blocks count */ - __u16 bg_free_inodes_count; /* Free inodes count */ - __u16 bg_used_dirs_count; /* Directories count */ - __u16 bg_pad; - __u32 bg_reserved[3]; - }; - -struct ext2_inode - { - __u16 i_mode; /* File mode */ - __u16 i_uid; /* Owner Uid */ - __u32 i_size; /* 4: Size in bytes */ - __u32 i_atime; /* Access time */ - __u32 i_ctime; /* 12: Creation time */ - __u32 i_mtime; /* Modification time */ - __u32 i_dtime; /* 20: Deletion Time */ - __u16 i_gid; /* Group Id */ - __u16 i_links_count; /* 24: Links count */ - __u32 i_blocks; /* Blocks count */ - __u32 i_flags; /* 32: File flags */ - union - { - struct - { - __u32 l_i_reserved1; - } - linux1; - struct - { - __u32 h_i_translator; - } - hurd1; - struct - { - __u32 m_i_reserved1; - } - masix1; - } - osd1; /* OS dependent 1 */ - __u32 i_block[EXT2_N_BLOCKS]; /* 40: Pointers to blocks */ - __u32 i_version; /* File version (for NFS) */ - __u32 i_file_acl; /* File ACL */ - __u32 i_dir_acl; /* Directory ACL */ - __u32 i_faddr; /* Fragment address */ - union - { - struct - { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ - __u16 i_pad1; - __u32 l_i_reserved2[2]; - } - linux2; - struct - { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ - __u16 h_i_mode_high; - __u16 h_i_uid_high; - __u16 h_i_gid_high; - __u32 h_i_author; - } - hurd2; - struct - { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ - __u16 m_pad1; - __u32 m_i_reserved2[2]; - } - masix2; - } - osd2; /* OS dependent 2 */ - }; - -/* linux/posix_type.h */ -typedef long linux_off_t; - -/* linux/ext2fs.h */ -#define EXT2_NAME_LEN 255 -struct ext2_dir_entry - { - __u32 inode; /* Inode number */ - __u16 rec_len; /* Directory entry length */ - __u8 name_len; /* Name length */ - __u8 file_type; - char name[EXT2_NAME_LEN]; /* File name */ - }; - -/* ext2/super.c */ -#define EXT2_SUPER_MAGIC 0xEF53 /* include/linux/ext2_fs.h */ -#define EXT2_ROOT_INO 2 /* include/linux/ext2_fs.h */ -#define PATH_MAX 1024 /* include/linux/limits.h */ -#define MAX_LINK_COUNT 5 /* number of symbolic links to follow */ - -/* made up, these are pointers into FSYS_BUF */ -/* read once, always stays there: */ -#define SUPERBLOCK \ - ((struct ext2_super_block *)(FSYS_BUF)) -#define GROUP_DESC \ - ((struct ext2_group_desc *) \ - ((char *)SUPERBLOCK + sizeof(struct ext2_super_block))) -#define INODE \ - ((struct ext2_inode *)((char *)GROUP_DESC + EXT2_BLOCK_SIZE(SUPERBLOCK))) -#define DATABLOCK1 \ - ((char *)((char *)INODE + sizeof(struct ext2_inode))) -#define DATABLOCK2 \ - ((char *)((char *)DATABLOCK1 + EXT2_BLOCK_SIZE(SUPERBLOCK))) - -/* linux/ext2_fs.h */ -#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32)) -#define EXT2_ADDR_PER_BLOCK_BITS(s) (log2(EXT2_ADDR_PER_BLOCK(s))) - -/* linux/ext2_fs.h */ -#define EXT2_BLOCK_SIZE_BITS(s) (__le32_to_cpu((s)->s_log_block_size) + 10) -/* kind of from ext2/super.c */ -#define EXT2_BLOCK_SIZE(s) (1 << EXT2_BLOCK_SIZE_BITS(s)) -/* linux/ext2fs.h */ -#define EXT2_DESC_PER_BLOCK(s) \ - (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc)) -/* linux/stat.h */ -#define S_IFMT 00170000 -#define S_IFLNK 0120000 -#define S_IFREG 0100000 -#define S_IFDIR 0040000 -#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) -#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) -#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) - -#ifdef E2DEBUG -void -dump_super(struct ext2_super_block *s) -{ - printf(" superblock 0x%x:\n", s); - printf(" inodes=%d\n", __le32_to_cpu(s->s_inodes_count)); - printf(" blocks=%d\n", __le32_to_cpu(s->s_blocks_count)); - printf(" reserved=%d\n", __le32_to_cpu(s->s_r_blocks_count)); - printf(" i_free=%d\n", __le32_to_cpu(s->s_free_inodes_count)); - printf(" b_free=%d\n", __le32_to_cpu(s->s_free_blocks_count)); - printf(" first=%d\n", __le32_to_cpu(s->s_first_data_block)); - printf(" log_b_size=%d, b_size=%d\n", __le32_to_cpu(s->s_log_block_size), EXT2_BLOCK_SIZE(s)); - printf(" log_f_size=%d\n", __le32_to_cpu(s->s_log_frag_size)); - printf(" bpg=%d\n", __le32_to_cpu(s->s_blocks_per_group)); - printf(" fpg=%d\n", __le32_to_cpu(s->s_frags_per_group)); - printf(" ipg=%d\n", __le32_to_cpu(s->s_inodes_per_group)); -} - -void -dump_group_desc(struct ext2_group_desc *g) -{ - printf(" group_desc 0x%x:\n", g); - printf(" b_bmap block=%d\n", __le32_to_cpu(g->bg_block_bitmap)); - printf(" i_bmap block=%d\n", __le32_to_cpu(g->bg_inode_bitmap)); - printf(" i_tab block=%d\n", __le32_to_cpu(g->bg_inode_table)); - printf(" free_blks=%d\n", __le16_to_cpu(g->bg_free_blocks_count)); - printf(" free_inodes=%d\n", __le16_to_cpu(g->bg_free_inodes_count)); - printf(" used_dirs=%d\n", __le16_to_cpu(g->bg_used_dirs_count)); -} - -void -dump_inode(struct ext2_inode *i) -{ - printf(" inode 0x%x:\n", i); - printf(" mode=%o\n", __le16_to_cpu(i->i_mode)); - printf(" uid=%d\n", __le16_to_cpu(i->i_uid)); - printf(" gid=%d\n", __le16_to_cpu(i->i_gid)); - printf(" size=%d\n", __le32_to_cpu(i->i_size)); - printf(" atime=%d\n", __le32_to_cpu(i->i_atime)); - printf(" ctime=%d\n", __le32_to_cpu(i->i_ctime)); - printf(" mtime=%d\n", __le32_to_cpu(i->i_mtime)); - printf(" dtime=%d\n", __le32_to_cpu(i->i_dtime)); - printf(" links=%d\n", __le16_to_cpu(i->i_links_count)); - printf(" blocks=%d\n", __le32_to_cpu(i->i_blocks)); - printf(" flags=%d\n", __le32_to_cpu(i->i_flags)); -} - -void -dump_inode_data(unsigned char *inode, int len) -{ - static char hexdigit[] = "0123456789abcdef"; - unsigned char *i; - for (i = inode; - i < (inode + len); - i++) - { - printf ("%c", hexdigit[*i >> 4]); - printf ("%c", hexdigit[*i % 16]); - if (!((i + 1 - inode) % 16)) - { - printf ("\n"); - } - else - { - printf (" "); - } - } -} -#endif - -/* check filesystem types and read superblock into memory buffer */ -int -ext2fs_mount (void) -{ - int retval = 1; - - if ((((current_drive & 0x80) || (current_slice != 0)) - && (current_slice != PC_SLICE_TYPE_EXT2FS) - && (current_slice != PC_SLICE_TYPE_LINUX_RAID) - && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_EXT2FS)) - && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_OTHER))) - || part_length < (SBLOCK + (sizeof (struct ext2_super_block) / DEV_BSIZE)) - || !devread (SBLOCK, 0, sizeof (struct ext2_super_block), - (char *) SUPERBLOCK) - || __le16_to_cpu(SUPERBLOCK->s_magic) != EXT2_SUPER_MAGIC) - retval = 0; - - return retval; -} - -/* Takes a file system block number and reads it into BUFFER. */ -static int -ext2_rdfsb (int fsblock, char * buffer) -{ -#ifdef E2DEBUG - printf ("ext2_rdfsb: fsblock %d, devblock %d, size %d\n", fsblock, - fsblock * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), - EXT2_BLOCK_SIZE (SUPERBLOCK)); -#endif /* E2DEBUG */ - return devread (fsblock * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), 0, - EXT2_BLOCK_SIZE (SUPERBLOCK), (char *) buffer); -} - -/* from - ext2/inode.c:ext2_bmap() -*/ -/* Maps LOGICAL_BLOCK (the file offset divided by the blocksize) into - a physical block (the location in the file system) via an inode. */ -static int -ext2fs_block_map (int logical_block) -{ - -#ifdef E2DEBUG - printf ("ext2fs_block_map(%d)\n", logical_block); -#endif /* E2DEBUG */ - - /* if it is directly pointed to by the inode, return that physical addr */ - if (logical_block < EXT2_NDIR_BLOCKS) - { -#ifdef E2DEBUG - printf ("ext2fs_block_map: returning %d\n", __le32_to_cpu(INODE->i_block[logical_block])); -#endif /* E2DEBUG */ - return __le32_to_cpu(INODE->i_block[logical_block]); - } - /* else */ - logical_block -= EXT2_NDIR_BLOCKS; - /* try the indirect block */ - if (logical_block < EXT2_ADDR_PER_BLOCK (SUPERBLOCK)) - { - if (mapblock1 != 1 - && !ext2_rdfsb (__le32_to_cpu(INODE->i_block[EXT2_IND_BLOCK]), DATABLOCK1)) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock1 = 1; - return __le32_to_cpu(((__u32 *) DATABLOCK1)[logical_block]); - } - /* else */ - logical_block -= EXT2_ADDR_PER_BLOCK (SUPERBLOCK); - /* now try the double indirect block */ - if (logical_block < (1 << (EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK) * 2))) - { - int bnum; - if (mapblock1 != 2 - && !ext2_rdfsb (__le32_to_cpu(INODE->i_block[EXT2_DIND_BLOCK]), DATABLOCK1)) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock1 = 2; - if ((bnum = __le32_to_cpu(((__u32 *) DATABLOCK1) - [logical_block >> EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK)])) - != mapblock2 - && !ext2_rdfsb (bnum, DATABLOCK2)) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock2 = bnum; - return __le32_to_cpu(((__u32 *) DATABLOCK2) - [logical_block & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)]); - } - /* else */ - mapblock2 = -1; - logical_block -= (1 << (EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK) * 2)); - if (mapblock1 != 3 - && !ext2_rdfsb (__le32_to_cpu(INODE->i_block[EXT2_TIND_BLOCK]), DATABLOCK1)) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock1 = 3; - if (!ext2_rdfsb (__le32_to_cpu(((__u32 *) DATABLOCK1) - [logical_block >> (EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK) - * 2)]), - DATABLOCK2)) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - if (!ext2_rdfsb (__le32_to_cpu(((__u32 *) DATABLOCK2) - [(logical_block >> EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK)) - & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)]), - DATABLOCK2)) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - return __le32_to_cpu(((__u32 *) DATABLOCK2) - [logical_block & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)]); -} - -/* preconditions: all preconds of ext2fs_block_map */ -int -ext2fs_read (char *buf, int len) -{ - int logical_block; - int offset; - int map; - int ret = 0; - int size = 0; - -#ifdef E2DEBUG - printf("ext2fs_read(0x%x, %d)\n", buf, len); - dump_inode(INODE); - dump_inode_data((unsigned char *)INODE, sizeof (struct ext2_inode)); -#endif /* E2DEBUG */ - while (len > 0) - { - /* find the (logical) block component of our location */ - logical_block = filepos >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK); - offset = filepos & (EXT2_BLOCK_SIZE (SUPERBLOCK) - 1); - map = ext2fs_block_map (logical_block); -#ifdef E2DEBUG - printf ("map=%d\n", map); -#endif /* E2DEBUG */ - if (map < 0) - break; - - size = EXT2_BLOCK_SIZE (SUPERBLOCK); - size -= offset; - if (size > len) - size = len; - - disk_read_func = disk_read_hook; - - devread (map * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), - offset, size, buf); - - disk_read_func = NULL; - - buf += size; - len -= size; - filepos += size; - ret += size; - } - - if (errnum) - ret = 0; - - return ret; -} - - -/* Based on: - def_blk_fops points to - blkdev_open, which calls (I think): - sys_open() - do_open() - open_namei() - dir_namei() which accesses current->fs->root - fs->root was set during original mount: - (something)... which calls (I think): - ext2_read_super() - iget() - __iget() - read_inode() - ext2_read_inode() - uses desc_per_block_bits, which is set in ext2_read_super() - also uses group descriptors loaded during ext2_read_super() - lookup() - ext2_lookup() - ext2_find_entry() - ext2_getblk() - -*/ - -/* preconditions: ext2fs_mount already executed, therefore supblk in buffer - * known as SUPERBLOCK - * returns: 0 if error, nonzero iff we were able to find the file successfully - * postconditions: on a nonzero return, buffer known as INODE contains the - * inode of the file we were trying to look up - * side effects: messes up GROUP_DESC buffer area - */ -int -ext2fs_dir (char *dirname) -{ - int current_ino = EXT2_ROOT_INO; /* start at the root */ - int updir_ino = current_ino; /* the parent of the current directory */ - int group_id; /* which group the inode is in */ - int group_desc; /* fs pointer to that group */ - int desc; /* index within that group */ - int ino_blk; /* fs pointer of the inode's information */ - int str_chk = 0; /* used to hold the results of a string compare */ - struct ext2_group_desc *gdp; - struct ext2_inode *raw_inode; /* inode info corresponding to current_ino */ - - char linkbuf[PATH_MAX]; /* buffer for following symbolic links */ - int link_count = 0; - - char *rest; - char ch; /* temp char holder */ - - int off; /* offset within block of directory entry (off mod blocksize) */ - int loc; /* location within a directory */ - int blk; /* which data blk within dir entry (off div blocksize) */ - long map; /* fs pointer of a particular block from dir entry */ - struct ext2_dir_entry *dp; /* pointer to directory entry */ - - /* loop invariants: - current_ino = inode to lookup - dirname = pointer to filename component we are cur looking up within - the directory known pointed to by current_ino (if any) - */ - -#ifdef E2DEBUG - printf("****** ext2fs_dir(%s)\n", dirname); - dump_super(SUPERBLOCK); -#endif /* E2DEBUG */ - - while (1) - { -#ifdef E2DEBUG - printf ("ext2fs_dir: inode %d\n", current_ino); - printf ("ext2fs_dir: dirname=%s\n", dirname); -#endif /* E2DEBUG */ - - /* look up an inode */ - group_id = (current_ino - 1) / __le32_to_cpu(SUPERBLOCK->s_inodes_per_group); - group_desc = group_id >> log2 (EXT2_DESC_PER_BLOCK (SUPERBLOCK)); - desc = group_id & (EXT2_DESC_PER_BLOCK (SUPERBLOCK) - 1); -#ifdef E2DEBUG - printf ("ext2fs_dir: ipg=%d, dpb=%d\n", __le32_to_cpu(SUPERBLOCK->s_inodes_per_group), - EXT2_DESC_PER_BLOCK (SUPERBLOCK)); - printf ("ext2fs_dir: group_id=%d group_desc=%d desc=%d\n", group_id, group_desc, desc); -#endif /* E2DEBUG */ - if (!ext2_rdfsb ( - (WHICH_SUPER + group_desc + __le32_to_cpu(SUPERBLOCK->s_first_data_block)), - (char*) GROUP_DESC)) - { - return 0; - } - -#ifdef E2DEBUG - dump_group_desc(GROUP_DESC); -#endif /* E2DEBUG */ - - gdp = GROUP_DESC; - ino_blk = __le32_to_cpu(gdp[desc].bg_inode_table) + - (((current_ino - 1) % __le32_to_cpu(SUPERBLOCK->s_inodes_per_group)) - >> log2 (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode))); -#ifdef E2DEBUG - printf ("ext2fs_dir: itab_blk=%d, i_in_grp=%d, log2=%d\n", - __le32_to_cpu(gdp[desc].bg_inode_table), - ((current_ino - 1) % __le32_to_cpu(SUPERBLOCK->s_inodes_per_group)), - log2 (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode))); - printf ("ext2fs_dir: inode table fsblock=%d\n", ino_blk); -#endif /* E2DEBUG */ - if (!ext2_rdfsb (ino_blk, (char *)INODE)) - { - return 0; - } - - /* reset indirect blocks! */ - mapblock2 = mapblock1 = -1; - - raw_inode = INODE + - ((current_ino - 1) - & (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode) - 1)); -#ifdef E2DEBUG - printf ("ext2fs_dir: ipb=%d, sizeof(inode)=%d\n", - (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)), - sizeof (struct ext2_inode)); - printf ("ext2fs_dir: inode=%x, raw_inode=%x\n", INODE, raw_inode); - printf ("ext2fs_dir: offset into inode table block=%d\n", (int) raw_inode - (int) INODE); - dump_inode(raw_inode); - dump_inode_data((unsigned char *)INODE, EXT2_BLOCK_SIZE(SUPERBLOCK)); - printf ("ext2fs_dir: first word=%x\n", *((int *) raw_inode)); -#endif /* E2DEBUG */ - - /* copy inode to fixed location */ - memmove ((void *) INODE, (void *) raw_inode, sizeof (struct ext2_inode)); - -#ifdef E2DEBUG - dump_inode(INODE); - printf ("ext2fs_dir: first word=%x\n", *((int *) INODE)); -#endif /* E2DEBUG */ - - /* If we've got a symbolic link, then chase it. */ - if (S_ISLNK (__le16_to_cpu(INODE->i_mode))) - { - int len; - if (++link_count > MAX_LINK_COUNT) - { - errnum = ERR_SYMLINK_LOOP; - return 0; - } - - /* Find out how long our remaining name is. */ - len = 0; - while (dirname[len] && !isspace (dirname[len])) - len++; - - /* Get the symlink size. */ - filemax = __le32_to_cpu(INODE->i_size); - if (filemax + len > sizeof (linkbuf) - 2) - { - errnum = ERR_FILELENGTH; - return 0; - } - - if (len) - { - /* Copy the remaining name to the end of the symlink data. - Note that DIRNAME and LINKBUF may overlap! */ - memmove (linkbuf + filemax, dirname, len); - } - linkbuf[filemax + len] = '\0'; - - /* Read the symlink data. */ - if (__le32_to_cpu(INODE->i_blocks)) - { - /* Read the necessary blocks, and reset the file pointer. */ - len = file_read (linkbuf, filemax); - filepos = 0; - if (!len) - return 0; - } - else - { - /* Copy the data directly from the inode. */ - len = filemax; - memmove (linkbuf, (char *) INODE->i_block, len); - } - -#ifdef E2DEBUG - printf ("ext2fs_dir: symlink=%s\n", linkbuf); -#endif - - dirname = linkbuf; - if (*dirname == '/') - { - /* It's an absolute link, so look it up in root. */ - current_ino = EXT2_ROOT_INO; - updir_ino = current_ino; - } - else - { - /* Relative, so look it up in our parent directory. */ - current_ino = updir_ino; - } - - /* Try again using the new name. */ - continue; - } - - /* if end of filename, INODE points to the file's inode */ - if (!*dirname || isspace (*dirname)) - { - if (!S_ISREG (__le16_to_cpu(INODE->i_mode))) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - filemax = __le32_to_cpu(INODE->i_size); - return 1; - } - - /* else we have to traverse a directory */ - updir_ino = current_ino; - - /* skip over slashes */ - while (*dirname == '/') - dirname++; - - /* if this isn't a directory of sufficient size to hold our file, abort */ - if (!(__le32_to_cpu(INODE->i_size)) || !S_ISDIR (__le16_to_cpu(INODE->i_mode))) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - /* skip to next slash or end of filename (space) */ - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; - rest++); - - /* look through this directory and find the next filename component */ - /* invariant: rest points to slash after the next filename component */ - *rest = 0; - loc = 0; - - do - { - -#ifdef E2DEBUG - printf ("ext2fs_dir: dirname=%s, rest=%s, loc=%d\n", dirname, rest, loc); -#endif /* E2DEBUG */ - - /* if our location/byte offset into the directory exceeds the size, - give up */ - if (loc >= __le32_to_cpu(INODE->i_size)) - { - if (print_possibilities < 0) - { -# if 0 - putchar ('\n'); -# endif - } - else - { - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - } - return (print_possibilities < 0); - } - - /* else, find the (logical) block component of our location */ - blk = loc >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK); - - /* we know which logical block of the directory entry we are looking - for, now we have to translate that to the physical (fs) block on - the disk */ - map = ext2fs_block_map (blk); -#ifdef E2DEBUG - printf ("ext2fs_dir: fs block=%d\n", map); -#endif /* E2DEBUG */ - mapblock2 = -1; - if ((map < 0) || !ext2_rdfsb (map, DATABLOCK2)) - { - errnum = ERR_FSYS_CORRUPT; - *rest = ch; - return 0; - } - off = loc & (EXT2_BLOCK_SIZE (SUPERBLOCK) - 1); - dp = (struct ext2_dir_entry *) (DATABLOCK2 + off); - /* advance loc prematurely to next on-disk directory entry */ - loc += __le16_to_cpu(dp->rec_len); - - /* NOTE: ext2fs filenames are NOT null-terminated */ - -#ifdef E2DEBUG - printf ("ext2fs_dir: directory entry ino=%d\n", __le32_to_cpu(dp->inode)); - if (__le32_to_cpu(dp->inode)) - printf ("entry=%s\n", dp->name); -#endif /* E2DEBUG */ - - if (__le32_to_cpu(dp->inode)) - { - int saved_c = dp->name[dp->name_len]; - - dp->name[dp->name_len] = 0; - str_chk = substring (dirname, dp->name); - -# ifndef STAGE1_5 - if (print_possibilities && ch != '/' - && (!*dirname || str_chk <= 0)) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion (dp->name); - } -# endif - - dp->name[dp->name_len] = saved_c; - } - - } - while (!__le32_to_cpu(dp->inode) || (str_chk || (print_possibilities && ch != '/'))); - - current_ino = __le32_to_cpu(dp->inode); - *(dirname = rest) = ch; - } - /* never get here */ -} - -#endif /* FSYS_EXT2_FS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_fat.c b/qemu/roms/openbios/fs/grubfs/fsys_fat.c deleted file mode 100644 index a7e160d1d..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_fat.c +++ /dev/null @@ -1,477 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000, 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifdef FSYS_FAT - -#include "shared.h" -#include "filesys.h" -#include "fat.h" - -struct fat_superblock -{ - int fat_offset; - int fat_length; - int fat_size; - int root_offset; - int root_max; - int data_offset; - - int num_sectors; - int num_clust; - int clust_eof_marker; - int sects_per_clust; - int sectsize_bits; - int clustsize_bits; - int root_cluster; - - int cached_fat; - int file_cluster; - int current_cluster_num; - int current_cluster; -}; - -/* pointer(s) into filesystem info buffer for DOS stuff */ -#define FAT_SUPER ( (struct fat_superblock *) \ - ( FSYS_BUF + 32256) )/* 512 bytes long */ -#define FAT_BUF ( FSYS_BUF + 30208 ) /* 4 sector FAT buffer */ -#define NAME_BUF ( FSYS_BUF + 29184 ) /* Filename buffer (833 bytes) */ - -#define FAT_CACHE_SIZE 2048 - -int -fat_mount (void) -{ - struct fat_bpb bpb; - __u32 magic, first_fat; - - /* Check partition type for harddisk */ - if (((current_drive & 0x80) || (current_slice != 0)) - && ! IS_PC_SLICE_TYPE_FAT (current_slice) - && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_MSDOS))) - return 0; - - /* Read bpb */ - if (! devread (0, 0, sizeof (bpb), (char *) &bpb)) - return 0; - - /* Check if the number of sectors per cluster is zero here, to avoid - zero division. */ - if (bpb.sects_per_clust == 0) - return 0; - - FAT_SUPER->sectsize_bits = log2 (bpb.bytes_per_sect); - FAT_SUPER->clustsize_bits - = FAT_SUPER->sectsize_bits + log2 (bpb.sects_per_clust); - - /* Fill in info about super block */ - FAT_SUPER->num_sectors = bpb.short_sectors - ? bpb.short_sectors : bpb.long_sectors; - - /* FAT offset and length */ - FAT_SUPER->fat_offset = bpb.reserved_sects; - FAT_SUPER->fat_length = - bpb.fat_length ? bpb.fat_length : bpb.fat32_length; - - /* Rootdir offset and length for FAT12/16 */ - FAT_SUPER->root_offset = - FAT_SUPER->fat_offset + bpb.num_fats * FAT_SUPER->fat_length; - FAT_SUPER->root_max = FAT_DIRENTRY_LENGTH * bpb.dir_entries; - - /* Data offset and number of clusters */ - FAT_SUPER->data_offset = - FAT_SUPER->root_offset - + ((FAT_SUPER->root_max - 1) >> FAT_SUPER->sectsize_bits) + 1; - FAT_SUPER->num_clust = - 2 + ((FAT_SUPER->num_sectors - FAT_SUPER->data_offset) - / bpb.sects_per_clust); - FAT_SUPER->sects_per_clust = bpb.sects_per_clust; - - if (!bpb.fat_length) - { - /* This is a FAT32 */ - if (bpb.dir_entries) - return 0; - - if (bpb.flags & 0x0080) - { - /* FAT mirroring is disabled, get active FAT */ - int active_fat = bpb.flags & 0x000f; - if (active_fat >= bpb.num_fats) - return 0; - FAT_SUPER->fat_offset += active_fat * FAT_SUPER->fat_length; - } - - FAT_SUPER->fat_size = 8; - FAT_SUPER->root_cluster = bpb.root_cluster; - - /* Yes the following is correct. FAT32 should be called FAT28 :) */ - FAT_SUPER->clust_eof_marker = 0xffffff8; - } - else - { - if (!FAT_SUPER->root_max) - return 0; - - FAT_SUPER->root_cluster = -1; - if (FAT_SUPER->num_clust > FAT_MAX_12BIT_CLUST) - { - FAT_SUPER->fat_size = 4; - FAT_SUPER->clust_eof_marker = 0xfff8; - } - else - { - FAT_SUPER->fat_size = 3; - FAT_SUPER->clust_eof_marker = 0xff8; - } - } - - - /* Now do some sanity checks */ - - if (bpb.bytes_per_sect != (1 << FAT_SUPER->sectsize_bits) - || bpb.bytes_per_sect != SECTOR_SIZE - || bpb.sects_per_clust != (1 << (FAT_SUPER->clustsize_bits - - FAT_SUPER->sectsize_bits)) - || FAT_SUPER->num_clust <= 2 - || (FAT_SUPER->fat_size * FAT_SUPER->num_clust / (2 * SECTOR_SIZE) - > FAT_SUPER->fat_length)) - return 0; - - /* kbs: Media check on first FAT entry [ported from PUPA] */ - - if (!devread(FAT_SUPER->fat_offset, 0, - sizeof(first_fat), (char *)&first_fat)) - return 0; - - if (FAT_SUPER->fat_size == 8) - { - first_fat &= 0x0fffffff; - magic = 0x0fffff00; - } - else if (FAT_SUPER->fat_size == 4) - { - first_fat &= 0x0000ffff; - magic = 0xff00; - } - else - { - first_fat &= 0x00000fff; - magic = 0x0f00; - } - - if (first_fat != (magic | bpb.media)) - return 0; - - FAT_SUPER->cached_fat = - 2 * FAT_CACHE_SIZE; - return 1; -} - -int -fat_read (char *buf, int len) -{ - int logical_clust; - int offset; - int ret = 0; - int size; - - if (FAT_SUPER->file_cluster < 0) - { - /* root directory for fat16 */ - size = FAT_SUPER->root_max - filepos; - if (size > len) - size = len; - if (!devread(FAT_SUPER->root_offset, filepos, size, buf)) - return 0; - filepos += size; - return size; - } - - logical_clust = filepos >> FAT_SUPER->clustsize_bits; - offset = (filepos & ((1 << FAT_SUPER->clustsize_bits) - 1)); - if (logical_clust < FAT_SUPER->current_cluster_num) - { - FAT_SUPER->current_cluster_num = 0; - FAT_SUPER->current_cluster = FAT_SUPER->file_cluster; - } - - while (len > 0) - { - int sector; - while (logical_clust > FAT_SUPER->current_cluster_num) - { - /* calculate next cluster */ - int fat_entry = - FAT_SUPER->current_cluster * FAT_SUPER->fat_size; - int next_cluster; - int cached_pos = (fat_entry - FAT_SUPER->cached_fat); - - if (cached_pos < 0 || - (cached_pos + FAT_SUPER->fat_size) > 2*FAT_CACHE_SIZE) - { - FAT_SUPER->cached_fat = (fat_entry & ~(2*SECTOR_SIZE - 1)); - cached_pos = (fat_entry - FAT_SUPER->cached_fat); - sector = FAT_SUPER->fat_offset - + FAT_SUPER->cached_fat / (2*SECTOR_SIZE); - if (!devread (sector, 0, FAT_CACHE_SIZE, (char*) FAT_BUF)) - return 0; - } - next_cluster = * (unsigned long *) (FAT_BUF + (cached_pos >> 1)); - if (FAT_SUPER->fat_size == 3) - { - if (cached_pos & 1) - next_cluster >>= 4; - next_cluster &= 0xFFF; - } - else if (FAT_SUPER->fat_size == 4) - next_cluster &= 0xFFFF; - - if (next_cluster >= FAT_SUPER->clust_eof_marker) - return ret; - if (next_cluster < 2 || next_cluster >= FAT_SUPER->num_clust) - { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - - FAT_SUPER->current_cluster = next_cluster; - FAT_SUPER->current_cluster_num++; - } - - sector = FAT_SUPER->data_offset + - ((FAT_SUPER->current_cluster - 2) << (FAT_SUPER->clustsize_bits - - FAT_SUPER->sectsize_bits)); - size = (1 << FAT_SUPER->clustsize_bits) - offset; - if (size > len) - size = len; - - disk_read_func = disk_read_hook; - - devread(sector, offset, size, buf); - - disk_read_func = NULL; - - len -= size; - buf += size; - ret += size; - filepos += size; - logical_clust++; - offset = 0; - } - return errnum ? 0 : ret; -} - -int -fat_dir (char *dirname) -{ - char *rest, ch, dir_buf[FAT_DIRENTRY_LENGTH]; - char *filename = (char *) NAME_BUF; - int attrib = FAT_ATTRIB_DIR; -#ifndef STAGE1_5 - int do_possibilities = 0; -#endif - - /* XXX I18N: - * the positions 2,4,6 etc are high bytes of a 16 bit unicode char - */ - static unsigned char longdir_pos[] = - { 1, 3, 5, 7, 9, 14, 16, 18, 20, 22, 24, 28, 30 }; - int slot = -2; - int alias_checksum = -1; - - FAT_SUPER->file_cluster = FAT_SUPER->root_cluster; - filepos = 0; - FAT_SUPER->current_cluster_num = MAXINT; - - /* main loop to find desired directory entry */ - loop: - - /* if we have a real file (and we're not just printing possibilities), - then this is where we want to exit */ - - if (!*dirname || isspace (*dirname)) - { - if (attrib & FAT_ATTRIB_DIR) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - return 1; - } - - /* continue with the file/directory name interpretation */ - - while (*dirname == '/') - dirname++; - - if (!(attrib & FAT_ATTRIB_DIR)) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - /* Directories don't have a file size */ - filemax = MAXINT; - - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++); - - *rest = 0; - -# ifndef STAGE1_5 - if (print_possibilities && ch != '/') - do_possibilities = 1; -# endif - - while (1) - { - if (fat_read (dir_buf, FAT_DIRENTRY_LENGTH) != FAT_DIRENTRY_LENGTH - || dir_buf[0] == 0) - { - if (!errnum) - { -# ifndef STAGE1_5 - if (print_possibilities < 0) - { -#if 0 - putchar ('\n'); -#endif - return 1; - } -# endif /* STAGE1_5 */ - - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - } - - return 0; - } - - if (FAT_DIRENTRY_ATTRIB (dir_buf) == FAT_ATTRIB_LONGNAME) - { - /* This is a long filename. The filename is build from back - * to front and may span multiple entries. To bind these - * entries together they all contain the same checksum over - * the short alias. - * - * The id field tells if this is the first entry (the last - * part) of the long filename, and also at which offset this - * belongs. - * - * We just write the part of the long filename this entry - * describes and continue with the next dir entry. - */ - int i, offset; - unsigned char id = FAT_LONGDIR_ID(dir_buf); - - if ((id & 0x40)) - { - id &= 0x3f; - slot = id; - filename[slot * 13] = 0; - alias_checksum = FAT_LONGDIR_ALIASCHECKSUM(dir_buf); - } - - if (id != slot || slot == 0 - || alias_checksum != FAT_LONGDIR_ALIASCHECKSUM(dir_buf)) - { - alias_checksum = -1; - continue; - } - - slot--; - offset = slot * 13; - - for (i=0; i < 13; i++) - filename[offset+i] = dir_buf[longdir_pos[i]]; - continue; - } - - if (!FAT_DIRENTRY_VALID (dir_buf)) - continue; - - if (alias_checksum != -1 && slot == 0) - { - int i; - unsigned char sum; - - slot = -2; - for (sum = 0, i = 0; i< 11; i++) - sum = ((sum >> 1) | (sum << 7)) + dir_buf[i]; - - if (sum == alias_checksum) - { -# ifndef STAGE1_5 - if (do_possibilities) - goto print_filename; -# endif /* STAGE1_5 */ - - if (substring (dirname, filename) == 0) - break; - } - } - - /* XXX convert to 8.3 filename format here */ - { - int i, j, c; - - for (i = 0; i < 8 && (c = filename[i] = tolower (dir_buf[i])) - && !isspace (c); i++); - - filename[i++] = '.'; - - for (j = 0; j < 3 && (c = filename[i + j] = tolower (dir_buf[8 + j])) - && !isspace (c); j++); - - if (j == 0) - i--; - - filename[i + j] = 0; - } - -# ifndef STAGE1_5 - if (do_possibilities) - { - print_filename: - if (substring (dirname, filename) <= 0) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion (filename); - } - continue; - } -# endif /* STAGE1_5 */ - - if (substring (dirname, filename) == 0) - break; - } - - *(dirname = rest) = ch; - - attrib = FAT_DIRENTRY_ATTRIB (dir_buf); - filemax = FAT_DIRENTRY_FILELENGTH (dir_buf); - filepos = 0; - FAT_SUPER->file_cluster = FAT_DIRENTRY_FIRST_CLUSTER (dir_buf); - FAT_SUPER->current_cluster_num = MAXINT; - - /* go back to main loop at top of function */ - goto loop; -} - -#endif /* FSYS_FAT */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_ffs.c b/qemu/roms/openbios/fs/grubfs/fsys_ffs.c deleted file mode 100644 index c6804b8ba..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_ffs.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000, 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -/* - * Elements of this file were originally from the FreeBSD "biosboot" - * bootloader file "disk.c" dated 4/12/95. - * - * The license and header comments from that file are included here. - */ - -/* - * Mach Operating System - * Copyright (c) 1992, 1991 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - * - * from: Mach, Revision 2.2 92/04/04 11:35:49 rpd - * $Id: fsys_ffs.c,v 1.10 2001/11/12 06:57:29 okuji Exp $ - */ - -#ifdef FSYS_FFS - -#include "shared.h" - -#include "filesys.h" - -#include "defs.h" -#include "disk_inode.h" -#include "disk_inode_ffs.h" -#include "dir.h" -#include "fs.h" - -/* used for filesystem map blocks */ -static int mapblock; -static int mapblock_offset; -static int mapblock_bsize; - -/* pointer to superblock */ -#define SUPERBLOCK ((struct fs *) ( FSYS_BUF + 8192 )) -#define INODE ((struct icommon *) ( FSYS_BUF + 16384 )) -#define MAPBUF ( FSYS_BUF + 24576 ) -#define MAPBUF_LEN 8192 - - -int -ffs_mount (void) -{ - int retval = 1; - - if ((((current_drive & 0x80) || (current_slice != 0)) - && ! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_BSDFFS)) - || part_length < (SBLOCK + (SBSIZE / DEV_BSIZE)) - || !devread (SBLOCK, 0, SBSIZE, (char *) SUPERBLOCK) - || SUPERBLOCK->fs_magic != FS_MAGIC) - retval = 0; - - mapblock = -1; - mapblock_offset = -1; - - return retval; -} - -static int -block_map (int file_block) -{ - int bnum, offset, bsize; - - if (file_block < NDADDR) - return (INODE->i_db[file_block]); - - /* If the blockmap loaded does not include FILE_BLOCK, - load a new blockmap. */ - if ((bnum = fsbtodb (SUPERBLOCK, INODE->i_ib[0])) != mapblock - || (mapblock_offset <= bnum && bnum <= mapblock_offset + mapblock_bsize)) - { - if (MAPBUF_LEN < SUPERBLOCK->fs_bsize) - { - offset = ((file_block - NDADDR) % NINDIR (SUPERBLOCK)); - bsize = MAPBUF_LEN; - - if (offset + MAPBUF_LEN > SUPERBLOCK->fs_bsize) - offset = (SUPERBLOCK->fs_bsize - MAPBUF_LEN) / sizeof (int); - } - else - { - bsize = SUPERBLOCK->fs_bsize; - offset = 0; - } - - if (! devread (bnum, offset * sizeof (int), bsize, (char *) MAPBUF)) - { - mapblock = -1; - mapblock_bsize = -1; - mapblock_offset = -1; - errnum = ERR_FSYS_CORRUPT; - return -1; - } - - mapblock = bnum; - mapblock_bsize = bsize; - mapblock_offset = offset; - } - - return (((int *) MAPBUF)[((file_block - NDADDR) % NINDIR (SUPERBLOCK)) - - mapblock_offset]); -} - - -int -ffs_read (char *buf, int len) -{ - int logno, off, size, map, ret = 0; - - while (len && !errnum) - { - off = blkoff (SUPERBLOCK, filepos); - logno = lblkno (SUPERBLOCK, filepos); - size = blksize (SUPERBLOCK, INODE, logno); - - if ((map = block_map (logno)) < 0) - break; - - size -= off; - - if (size > len) - size = len; - - disk_read_func = disk_read_hook; - - devread (fsbtodb (SUPERBLOCK, map), off, size, buf); - - disk_read_func = NULL; - - buf += size; - len -= size; - filepos += size; - ret += size; - } - - if (errnum) - ret = 0; - - return ret; -} - - -int -ffs_dir (char *dirname) -{ - char *rest, ch; - int block, off, loc, map, ino = ROOTINO; - struct direct *dp; - -/* main loop to find destination inode */ -loop: - - /* load current inode (defaults to the root inode) */ - - if (!devread (fsbtodb (SUPERBLOCK, itod (SUPERBLOCK, ino)), - ino % (SUPERBLOCK->fs_inopb) * sizeof (struct dinode), - sizeof (struct dinode), (char *) INODE)) - return 0; /* XXX what return value? */ - - /* if we have a real file (and we're not just printing possibilities), - then this is where we want to exit */ - - if (!*dirname || isspace (*dirname)) - { - if ((INODE->i_mode & IFMT) != IFREG) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - filemax = INODE->i_size; - - /* incomplete implementation requires this! */ - fsmax = (NDADDR + NINDIR (SUPERBLOCK)) * SUPERBLOCK->fs_bsize; - return 1; - } - - /* continue with file/directory name interpretation */ - - while (*dirname == '/') - dirname++; - - if (!(INODE->i_size) || ((INODE->i_mode & IFMT) != IFDIR)) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++); - - *rest = 0; - loc = 0; - - /* loop for reading a the entries in a directory */ - - do - { - if (loc >= INODE->i_size) - { -#if 0 - putchar ('\n'); -#endif - - if (print_possibilities < 0) - return 1; - - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - return 0; - } - - if (!(off = blkoff (SUPERBLOCK, loc))) - { - block = lblkno (SUPERBLOCK, loc); - - if ((map = block_map (block)) < 0 - || !devread (fsbtodb (SUPERBLOCK, map), 0, - blksize (SUPERBLOCK, INODE, block), - (char *) FSYS_BUF)) - { - errnum = ERR_FSYS_CORRUPT; - *rest = ch; - return 0; - } - } - - dp = (struct direct *) (FSYS_BUF + off); - loc += dp->d_reclen; - -#ifndef STAGE1_5 - if (dp->d_ino && print_possibilities && ch != '/' - && (!*dirname || substring (dirname, dp->d_name) <= 0)) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - - print_a_completion (dp->d_name); - } -#endif /* STAGE1_5 */ - } - while (!dp->d_ino || (substring (dirname, dp->d_name) != 0 - || (print_possibilities && ch != '/'))); - - /* only get here if we have a matching directory entry */ - - ino = dp->d_ino; - *(dirname = rest) = ch; - - /* go back to main loop at top of function */ - goto loop; -} - -int -ffs_embed (int *start_sector, int needed_sectors) -{ - /* XXX: I don't know if this is really correct. Someone who is - familiar with BSD should check for this. */ - if (needed_sectors > 14) - return 0; - - *start_sector = 1; -#if 1 - /* FIXME: Disable the embedding in FFS until someone checks if - the code above is correct. */ - return 0; -#else - return 1; -#endif -} - -#endif /* FSYS_FFS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_iso9660.c b/qemu/roms/openbios/fs/grubfs/fsys_iso9660.c deleted file mode 100644 index 12f94b734..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_iso9660.c +++ /dev/null @@ -1,342 +0,0 @@ -/* - * ISO 9660 filesystem backend for GRUB (GRand Unified Bootloader) - * including Rock Ridge Extensions support - * - * Copyright (C) 1998, 1999 Kousuke Takai <tak@kmc.kyoto-u.ac.jp> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ -/* - * References: - * linux/fs/isofs/rock.[ch] - * mkisofs-1.11.1/diag/isoinfo.c - * mkisofs-1.11.1/iso9660.h - * (all are written by Eric Youngdale) - * - * Modifications by: - * Leonid Lisovskiy <lly@pisem.net> 2003 - */ - -/* - * Modified to make it work with FILO - * 2003-10 by SONE Takeshi - */ - -#ifdef FSYS_ISO9660 - -#include "shared.h" -#include "filesys.h" -#include "iso9660.h" -#include "debug.h" - -#if defined(__sparc__) || defined(__PPC__) -#define ENDIAN b -#else -#define ENDIAN l -#endif - -struct iso_superblock { - unsigned long vol_sector; - - unsigned long file_start; -}; - -#define ISO_SUPER ((struct iso_superblock *)(FSYS_BUF)) -#define PRIMDESC ((struct iso_primary_descriptor *)(FSYS_BUF + 2048)) -#define DIRREC ((struct iso_directory_record *)(FSYS_BUF + 4096)) -#define RRCONT_BUF ((unsigned char *)(FSYS_BUF + 6144)) -#define NAME_BUF ((unsigned char *)(FSYS_BUF + 8192)) - -static int -iso9660_devread (int sector, int byte_offset, int byte_len, char *buf) -{ - /* FILO uses 512-byte "soft" sector, and ISO-9660 uses 2048-byte - * CD-ROM sector */ - return devread(sector<<2, byte_offset, byte_len, buf); -} - -int -iso9660_mount (void) -{ - unsigned int sector; - - /* - * Because there is no defined slice type ID for ISO-9660 filesystem, - * this test will pass only either (1) if entire disk is used, or - * (2) if current partition is BSD style sub-partition whose ID is - * ISO-9660. - */ - /*if ((current_partition != 0xFFFFFF) - && !IS_PC_SLICE_TYPE_BSD_WITH_FS(current_slice, FS_ISO9660)) - return 0;*/ - - /* - * Currently, only FIRST session of MultiSession disks are supported !!! - */ - for (sector = 16 ; sector < 32 ; sector++) - { - if (!iso9660_devread(sector, 0, sizeof(*PRIMDESC), (char *)PRIMDESC)) - break; - /* check ISO_VD_PRIMARY and ISO_STANDARD_ID */ - if (CHECK4(&PRIMDESC->type, ISO_VD_PRIMARY, 'C', 'D', '0') - && CHECK2(PRIMDESC->id + 3, '0', '1')) - { - ISO_SUPER->vol_sector = sector; - ISO_SUPER->file_start = 0; - fsmax = PRIMDESC->volume_space_size.ENDIAN; - return 1; - } - } - - return 0; -} - -int -iso9660_dir (char *dirname) -{ - struct iso_directory_record *idr; - RR_ptr_t rr_ptr; - struct rock_ridge *ce_ptr; - unsigned int pathlen; - int size; - unsigned int extent; - unsigned int rr_len; - unsigned char file_type; - unsigned char rr_flag; - - idr = &PRIMDESC->root_directory_record; - ISO_SUPER->file_start = 0; - - do - { - while (*dirname == '/') /* skip leading slashes */ - dirname++; - /* pathlen = strcspn(dirname, "/\n\t "); */ - for (pathlen = 0 ; - dirname[pathlen] - && !isspace(dirname[pathlen]) && dirname[pathlen] != '/' ; - pathlen++) - ; - - size = idr->size.ENDIAN; - extent = idr->extent.ENDIAN; - - while (size > 0) - { - if (!iso9660_devread(extent, 0, ISO_SECTOR_SIZE, (char *)DIRREC)) - { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - extent++; - - idr = (struct iso_directory_record *)DIRREC; - for (; idr->length.ENDIAN > 0; - idr = (struct iso_directory_record *)((char *)idr + idr->length.ENDIAN) ) - { - const char *name = (char *)idr->name; - unsigned int name_len = idr->name_len.ENDIAN; - - file_type = (idr->flags.ENDIAN & 2) ? ISO_DIRECTORY : ISO_REGULAR; - if (name_len == 1) - { - if ((name[0] == 0) || /* self */ - (name[0] == 1)) /* parent */ - continue; - } - if (name_len > 2 && CHECK2(name + name_len - 2, ';', '1')) - { - name_len -= 2; /* truncate trailing file version */ - if (name_len > 1 && name[name_len - 1] == '.') - name_len--; /* truncate trailing dot */ - } - - /* - * Parse Rock-Ridge extension - */ - rr_len = (idr->length.ENDIAN - idr->name_len.ENDIAN - - (unsigned char)sizeof(struct iso_directory_record) - + (unsigned char)sizeof(idr->name)); - rr_ptr.ptr = ((char *)idr + idr->name_len.ENDIAN - + sizeof(struct iso_directory_record) - - sizeof(idr->name)); - if (rr_len & 1) - rr_ptr.ptr++, rr_len--; - ce_ptr = NULL; - rr_flag = RR_FLAG_NM | RR_FLAG_PX; - - while (rr_len >= 4) - { - if (rr_ptr.rr->version != 1) - { -#ifndef STAGE1_5 - if (debug) - printf( - "Non-supported version (%d) RockRidge chunk " - "`%c%c'\n", rr_ptr.rr->version, - rr_ptr.rr->signature & 0xFF, - rr_ptr.rr->signature >> 8); -#endif - } - else if (CHECK2(&rr_ptr.rr->signature, 'R', 'R') - && rr_ptr.rr->len >= 5) - rr_flag &= rr_ptr.rr->u.rr.flags.ENDIAN; - else if (CHECK2(&rr_ptr.rr->signature, 'N', 'M')) - { - name = (char *)rr_ptr.rr->u.nm.name; - name_len = rr_ptr.rr->len - 5; - rr_flag &= ~RR_FLAG_NM; - } - else if (CHECK2(&rr_ptr.rr->signature, 'P', 'X') - && rr_ptr.rr->len >= 36) - { - file_type = ((rr_ptr.rr->u.px.mode.ENDIAN & POSIX_S_IFMT) - == POSIX_S_IFREG - ? ISO_REGULAR - : ((rr_ptr.rr->u.px.mode.ENDIAN & POSIX_S_IFMT) - == POSIX_S_IFDIR - ? ISO_DIRECTORY : ISO_OTHER)); - rr_flag &= ~RR_FLAG_PX; - } - else if (CHECK2(&rr_ptr.rr->signature, 'C', 'E') - && rr_ptr.rr->len >= 28) - ce_ptr = rr_ptr.rr; - if (!rr_flag) - /* - * There is no more extension we expects... - */ - break; - rr_len -= rr_ptr.rr->len; - rr_ptr.ptr += rr_ptr.rr->len; - if (rr_len < 4 && ce_ptr != NULL) - { - /* preserve name before loading new extent. */ - if( RRCONT_BUF <= (unsigned char *)name - && (unsigned char *)name < RRCONT_BUF + ISO_SECTOR_SIZE ) - { - memcpy(NAME_BUF, name, name_len); - name = (char *)NAME_BUF; - } - rr_ptr.ptr = (char *)(RRCONT_BUF + ce_ptr->u.ce.offset.ENDIAN); - rr_len = ce_ptr->u.ce.size.ENDIAN; - if (!iso9660_devread(ce_ptr->u.ce.extent.ENDIAN, 0, - ISO_SECTOR_SIZE, (char *)RRCONT_BUF)) - { - errnum = 0; /* this is not fatal. */ - break; - } - ce_ptr = NULL; - } - } /* rr_len >= 4 */ - - filemax = MAXINT; - if (name_len >= pathlen - && !strnicmp(name, dirname, pathlen)) - { - if (dirname[pathlen] == '/' || !print_possibilities) - { - /* - * DIRNAME is directory component of pathname, - * or we are to open a file. - */ - if (pathlen == name_len) - { - if (dirname[pathlen] == '/') - { - if (file_type != ISO_DIRECTORY) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - goto next_dir_level; - } - if (file_type != ISO_REGULAR) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - ISO_SUPER->file_start = idr->extent.ENDIAN; - filepos = 0; - filemax = idr->size.ENDIAN; - return 1; - } - } - else /* Completion */ - { -#ifndef STAGE1_5 - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - memcpy(NAME_BUF, name, name_len); - NAME_BUF[name_len] = '\0'; - print_a_completion (NAME_BUF); -#endif - } - } - } /* for */ - - size -= ISO_SECTOR_SIZE; - } /* size>0 */ - - if (dirname[pathlen] == '/' || print_possibilities >= 0) - { - errnum = ERR_FILE_NOT_FOUND; - return 0; - } - -next_dir_level: - dirname += pathlen; - - } while (*dirname == '/'); - - return 1; -} - -int -iso9660_read (char *buf, int len) -{ - int sector, blkoffset, size, ret; - - if (ISO_SUPER->file_start == 0) - return 0; - - ret = 0; - blkoffset = filepos & (ISO_SECTOR_SIZE - 1); - sector = filepos >> ISO_SECTOR_BITS; - while (len > 0) - { - size = ISO_SECTOR_SIZE - blkoffset; - if (size > len) - size = len; - - disk_read_func = disk_read_hook; - - if (!iso9660_devread(ISO_SUPER->file_start + sector, blkoffset, size, buf)) - return 0; - - disk_read_func = NULL; - - len -= size; - buf += size; - ret += size; - filepos += size; - sector++; - blkoffset = 0; - } - - return ret; -} - -#endif /* FSYS_ISO9660 */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_jfs.c b/qemu/roms/openbios/fs/grubfs/fsys_jfs.c deleted file mode 100644 index 66469e686..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_jfs.c +++ /dev/null @@ -1,404 +0,0 @@ -/* fsys_jfs.c - an implementation for the IBM JFS file system */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001,2002 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifdef FSYS_JFS - -#include "shared.h" -#include "filesys.h" -#include "jfs.h" - -#define MAX_LINK_COUNT 8 - -#define DTTYPE_INLINE 0 -#define DTTYPE_PAGE 1 - -struct jfs_info -{ - int bsize; - int l2bsize; - int bdlog; - int xindex; - int xlastindex; - int sindex; - int slastindex; - int de_index; - int dttype; - xad_t *xad; - ldtentry_t *de; -}; - -static struct jfs_info jfs; - -#define xtpage ((xtpage_t *)FSYS_BUF) -#define dtpage ((dtpage_t *)((char *)FSYS_BUF + 4096)) -#define fileset ((dinode_t *)((char *)FSYS_BUF + 8192)) -#define inode ((dinode_t *)((char *)FSYS_BUF + 8192 + sizeof(dinode_t))) -#define dtroot ((dtroot_t *)(&inode->di_btroot)) - -static ldtentry_t de_always[2] = { - {1, -1, 2, {'.', '.'}, 0}, - {1, -1, 1, {'.'}, 0} -}; - -static int -isinxt (s64 key, s64 offset, s64 len) -{ - return (key >= offset) ? (key < offset + len ? 1 : 0) : 0; -} - -static xad_t * -first_extent (dinode_t *di) -{ - xtpage_t *xtp; - - jfs.xindex = 2; - xtp = (xtpage_t *)&di->di_btroot; - jfs.xad = &xtp->xad[2]; - if (xtp->header.flag & BT_LEAF) { - jfs.xlastindex = xtp->header.nextindex; - } else { - do { - devread (addressXAD (jfs.xad) << jfs.bdlog, 0, - sizeof(xtpage_t), (char *)xtpage); - jfs.xad = &xtpage->xad[2]; - } while (!(xtpage->header.flag & BT_LEAF)); - jfs.xlastindex = xtpage->header.nextindex; - } - - return jfs.xad; -} - -static xad_t * -next_extent (void) -{ - if (++jfs.xindex < jfs.xlastindex) { - } else if (xtpage->header.next) { - devread (xtpage->header.next << jfs.bdlog, 0, - sizeof(xtpage_t), (char *)xtpage); - jfs.xlastindex = xtpage->header.nextindex; - jfs.xindex = XTENTRYSTART; - jfs.xad = &xtpage->xad[XTENTRYSTART]; - } else { - return NULL; - } - return ++jfs.xad; -} - - -static void -di_read (u32 inum, dinode_t *di) -{ - s64 key; - u32 xd, ioffset; - s64 offset; - xad_t *xad; - pxd_t pxd; - - key = (((inum >> L2INOSPERIAG) << L2INOSPERIAG) + 4096) >> jfs.l2bsize; - xd = (inum & (INOSPERIAG - 1)) >> L2INOSPEREXT; - ioffset = ((inum & (INOSPERIAG - 1)) & (INOSPEREXT - 1)) << L2DISIZE; - xad = first_extent (fileset); - do { - offset = offsetXAD (xad); - if (isinxt (key, offset, lengthXAD (xad))) { - devread ((addressXAD (xad) + key - offset) << jfs.bdlog, - 3072 + xd*sizeof(pxd_t), sizeof(pxd_t), (char *)&pxd); - devread (addressPXD (&pxd) << jfs.bdlog, - ioffset, DISIZE, (char *)di); - break; - } - } while ((xad = next_extent ())); -} - -static ldtentry_t * -next_dentry (void) -{ - ldtentry_t *de; - s8 *stbl; - - if (jfs.dttype == DTTYPE_INLINE) { - if (jfs.sindex < jfs.slastindex) { - return (ldtentry_t *)&dtroot->slot[(int)dtroot->header.stbl[jfs.sindex++]]; - } - } else { - de = (ldtentry_t *)dtpage->slot; - stbl = (s8 *)&de[(int)dtpage->header.stblindex]; - if (jfs.sindex < jfs.slastindex) { - return &de[(int)stbl[jfs.sindex++]]; - } else if (dtpage->header.next) { - devread (dtpage->header.next << jfs.bdlog, 0, - sizeof(dtpage_t), (char *)dtpage); - jfs.slastindex = dtpage->header.nextindex; - jfs.sindex = 1; - return &de[(int)((s8 *)&de[(int)dtpage->header.stblindex])[0]]; - } - } - - return (jfs.de_index < 2) ? &de_always[jfs.de_index++] : NULL; -} - -static ldtentry_t * -first_dentry (void) -{ - dtroot_t *dtr; - pxd_t *xd; - idtentry_t *de; - - dtr = (dtroot_t *)&inode->di_btroot; - jfs.sindex = 0; - jfs.de_index = 0; - - de_always[0].inumber = inode->di_parent; - de_always[1].inumber = inode->di_number; - if (dtr->header.flag & BT_LEAF) { - jfs.dttype = DTTYPE_INLINE; - jfs.slastindex = dtr->header.nextindex; - } else { - de = (idtentry_t *)dtpage->slot; - jfs.dttype = DTTYPE_PAGE; - xd = &((idtentry_t *)dtr->slot)[(int)dtr->header.stbl[0]].xd; - for (;;) { - devread (addressPXD (xd) << jfs.bdlog, 0, - sizeof(dtpage_t), (char *)dtpage); - if (dtpage->header.flag & BT_LEAF) - break; - xd = &de[(int)((s8 *)&de[(int)dtpage->header.stblindex])[0]].xd; - } - jfs.slastindex = dtpage->header.nextindex; - } - - return next_dentry (); -} - - -static dtslot_t * -next_dslot (int next) -{ - return (jfs.dttype == DTTYPE_INLINE) - ? (dtslot_t *)&dtroot->slot[next] - : &((dtslot_t *)dtpage->slot)[next]; -} - -static void -uni2ansi (UniChar *uni, char *ansi, int len) -{ - for (; len; len--, uni++) - *ansi++ = (*uni & 0xff80) ? '?' : *(char *)uni; -} - -int -jfs_mount (void) -{ - struct jfs_superblock super; - - if (part_length < MINJFS >> SECTOR_BITS - || !devread (SUPER1_OFF >> SECTOR_BITS, 0, - sizeof(struct jfs_superblock), (char *)&super) - || (super.s_magic != JFS_MAGIC) - || !devread ((AITBL_OFF >> SECTOR_BITS) + FILESYSTEM_I, - 0, DISIZE, (char*)fileset)) { - return 0; - } - - jfs.bsize = super.s_bsize; - jfs.l2bsize = super.s_l2bsize; - jfs.bdlog = jfs.l2bsize - SECTOR_BITS; - - return 1; -} - -int -jfs_read (char *buf, int len) -{ - xad_t *xad; - s64 endofprev, endofcur; - s64 offset, xadlen; - int toread, startpos, endpos; - - startpos = filepos; - endpos = filepos + len; - endofprev = (1ULL << 62) - 1; - xad = first_extent (inode); - do { - offset = offsetXAD (xad); - xadlen = lengthXAD (xad); - if (isinxt (filepos >> jfs.l2bsize, offset, xadlen)) { - endofcur = (offset + xadlen) << jfs.l2bsize; - toread = (endofcur >= endpos) - ? len : (endofcur - filepos); - - disk_read_func = disk_read_hook; - devread (addressXAD (xad) << jfs.bdlog, - filepos - (offset << jfs.l2bsize), toread, buf); - disk_read_func = NULL; - - buf += toread; - len -= toread; - filepos += toread; - } else if (offset > endofprev) { - toread = ((offset << jfs.l2bsize) >= endpos) - ? len : ((offset - endofprev) << jfs.l2bsize); - len -= toread; - filepos += toread; - for (; toread; toread--) { - *buf++ = 0; - } - continue; - } - endofprev = offset + xadlen; - xad = next_extent (); - } while (len > 0 && xad); - - return filepos - startpos; -} - -int -jfs_dir (char *dirname) -{ - char *ptr, *rest, ch; - ldtentry_t *de; - dtslot_t *ds; - u32 inum, parent_inum; - s64 di_size; - u32 di_mode; - int namlen, cmp, n, link_count; - char namebuf[JFS_NAME_MAX + 1], linkbuf[JFS_PATH_MAX]; - - parent_inum = inum = ROOT_I; - link_count = 0; - for (;;) { - di_read (inum, inode); - di_size = inode->di_size; - di_mode = inode->di_mode; - - if ((di_mode & IFMT) == IFLNK) { - if (++link_count > MAX_LINK_COUNT) { - errnum = ERR_SYMLINK_LOOP; - return 0; - } - if (di_size < (di_mode & INLINEEA ? 256 : 128)) { - grub_memmove (linkbuf, inode->di_fastsymlink, di_size); - n = di_size; - } else if (di_size < JFS_PATH_MAX - 1) { - filepos = 0; - filemax = di_size; - n = jfs_read (linkbuf, filemax); - } else { - errnum = ERR_FILELENGTH; - return 0; - } - - inum = (linkbuf[0] == '/') ? ROOT_I : parent_inum; - while (n < (JFS_PATH_MAX - 1) && (linkbuf[n++] = *dirname++)); - linkbuf[n] = 0; - dirname = linkbuf; - continue; - } - - if (!*dirname || isspace (*dirname)) { - if ((di_mode & IFMT) != IFREG) { - errnum = ERR_BAD_FILETYPE; - return 0; - } - filepos = 0; - filemax = di_size; - return 1; - } - - if ((di_mode & IFMT) != IFDIR) { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - for (; *dirname == '/'; dirname++); - - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++); - *rest = 0; - - de = first_dentry (); - for (;;) { - namlen = de->namlen; - if (de->next == -1) { - uni2ansi (de->name, namebuf, namlen); - namebuf[namlen] = 0; - } else { - uni2ansi (de->name, namebuf, DTLHDRDATALEN); - ptr = namebuf; - ptr += DTLHDRDATALEN; - namlen -= DTLHDRDATALEN; - ds = next_dslot (de->next); - while (ds->next != -1) { - uni2ansi (ds->name, ptr, DTSLOTDATALEN); - ptr += DTSLOTDATALEN; - namlen -= DTSLOTDATALEN; - ds = next_dslot (ds->next); - } - uni2ansi (ds->name, ptr, namlen); - ptr += namlen; - *ptr = 0; - } - - cmp = (!*dirname) ? -1 : substring (dirname, namebuf); -#ifndef STAGE1_5 - if (print_possibilities && ch != '/' - && cmp <= 0) { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion (namebuf); - } else -#endif - if (cmp == 0) { - parent_inum = inum; - inum = de->inumber; - *(dirname = rest) = ch; - break; - } - de = next_dentry (); - if (de == NULL) { - if (print_possibilities < 0) - return 1; - - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - return 0; - } - } - } -} - -int -jfs_embed (int *start_sector, int needed_sectors) -{ - struct jfs_superblock super; - - if (needed_sectors > 63 - || !devread (SUPER1_OFF >> SECTOR_BITS, 0, - sizeof (struct jfs_superblock), - (char *)&super) - || (super.s_magic != JFS_MAGIC)) { - return 0; - } - - *start_sector = 1; - return 1; -} - -#endif /* FSYS_JFS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_minix.c b/qemu/roms/openbios/fs/grubfs/fsys_minix.c deleted file mode 100644 index d16b58c87..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_minix.c +++ /dev/null @@ -1,535 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999,2000,2001,2002 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -/* Restrictions: - This is MINIX V1 only (yet) - Disk creation is like: - mkfs.minix -c DEVICE -*/ - -#ifdef FSYS_MINIX - -#include "shared.h" -#include "filesys.h" - -/* #define DEBUG_MINIX */ - -/* indirect blocks */ -static int mapblock1, mapblock2, namelen; - -/* sizes are always in bytes, BLOCK values are always in DEV_BSIZE (sectors) */ -#define DEV_BSIZE 512 - -/* include/linux/fs.h */ -#define BLOCK_SIZE_BITS 10 -#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS) - -/* made up, defaults to 1 but can be passed via mount_opts */ -#define WHICH_SUPER 1 -/* kind of from fs/ext2/super.c (is OK for minix) */ -#define SBLOCK (WHICH_SUPER * BLOCK_SIZE / DEV_BSIZE) /* = 2 */ - -/* include/asm-i386/type.h */ -typedef __signed__ char __s8; -typedef unsigned char __u8; -typedef __signed__ short __s16; -typedef unsigned short __u16; -typedef __signed__ int __s32; -typedef unsigned int __u32; - -/* include/linux/minix_fs.h */ -#define MINIX_ROOT_INO 1 - -/* Not the same as the bogus LINK_MAX in <linux/limits.h>. Oh well. */ -#define MINIX_LINK_MAX 250 -#define MINIX2_LINK_MAX 65530 - -#define MINIX_I_MAP_SLOTS 8 -#define MINIX_Z_MAP_SLOTS 64 -#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */ -#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */ -#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */ -#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */ -#define MINIX_VALID_FS 0x0001 /* Clean fs. */ -#define MINIX_ERROR_FS 0x0002 /* fs has errors. */ - -#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode))) -#define MINIX2_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix2_inode))) - -#define MINIX_V1 0x0001 /* original minix fs */ -#define MINIX_V2 0x0002 /* minix V2 fs */ - -/* originally this is : -#define INODE_VERSION(inode) inode->i_sb->u.minix_sb.s_version - here we have */ -#define INODE_VERSION(inode) (SUPERBLOCK->s_version) - -/* - * This is the original minix inode layout on disk. - * Note the 8-bit gid and atime and ctime. - */ -struct minix_inode { - __u16 i_mode; - __u16 i_uid; - __u32 i_size; - __u32 i_time; - __u8 i_gid; - __u8 i_nlinks; - __u16 i_zone[9]; -}; - -/* - * The new minix inode has all the time entries, as well as - * long block numbers and a third indirect block (7+1+1+1 - * instead of 7+1+1). Also, some previously 8-bit values are - * now 16-bit. The inode is now 64 bytes instead of 32. - */ -struct minix2_inode { - __u16 i_mode; - __u16 i_nlinks; - __u16 i_uid; - __u16 i_gid; - __u32 i_size; - __u32 i_atime; - __u32 i_mtime; - __u32 i_ctime; - __u32 i_zone[10]; -}; - -/* - * minix super-block data on disk - */ -struct minix_super_block { - __u16 s_ninodes; - __u16 s_nzones; - __u16 s_imap_blocks; - __u16 s_zmap_blocks; - __u16 s_firstdatazone; - __u16 s_log_zone_size; - __u32 s_max_size; - __u16 s_magic; - __u16 s_state; - __u32 s_zones; -}; - -struct minix_dir_entry { - __u16 inode; - char name[0]; -}; - -/* made up, these are pointers into FSYS_BUF */ -/* read once, always stays there: */ -#define SUPERBLOCK \ - ((struct minix_super_block *)(FSYS_BUF)) -#define INODE \ - ((struct minix_inode *)((char *) SUPERBLOCK + BLOCK_SIZE)) -#define DATABLOCK1 \ - ((char *)((char *)INODE + sizeof(struct minix_inode))) -#define DATABLOCK2 \ - ((char *)((char *)DATABLOCK1 + BLOCK_SIZE)) - -/* linux/stat.h */ -#define S_IFMT 00170000 -#define S_IFLNK 0120000 -#define S_IFREG 0100000 -#define S_IFDIR 0040000 -#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) -#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) -#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) - -#define PATH_MAX 1024 /* include/linux/limits.h */ -#define MAX_LINK_COUNT 5 /* number of symbolic links to follow */ - -/* check filesystem types and read superblock into memory buffer */ -int -minix_mount (void) -{ - if (((current_drive & 0x80) || current_slice != 0) - && ! IS_PC_SLICE_TYPE_MINIX (current_slice) - && ! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_OTHER)) - return 0; /* The partition is not of MINIX type */ - - if (part_length < (SBLOCK + - (sizeof (struct minix_super_block) / DEV_BSIZE))) - return 0; /* The partition is too short */ - - if (!devread (SBLOCK, 0, sizeof (struct minix_super_block), - (char *) SUPERBLOCK)) - return 0; /* Cannot read superblock */ - - switch (SUPERBLOCK->s_magic) - { - case MINIX_SUPER_MAGIC: - namelen = 14; - break; - case MINIX_SUPER_MAGIC2: - namelen = 30; - break; - default: - return 0; /* Unsupported type */ - } - - return 1; -} - -/* Takes a file system block number and reads it into BUFFER. */ -static int -minix_rdfsb (int fsblock, char *buffer) -{ - return devread (fsblock * (BLOCK_SIZE / DEV_BSIZE), 0, - BLOCK_SIZE, buffer); -} - -/* Maps LOGICAL_BLOCK (the file offset divided by the blocksize) into - a physical block (the location in the file system) via an inode. */ -static int -minix_block_map (int logical_block) -{ - int i; - - if (logical_block < 7) - return INODE->i_zone[logical_block]; - - logical_block -= 7; - if (logical_block < 512) - { - i = INODE->i_zone[7]; - - if (!i || ((mapblock1 != 1) - && !minix_rdfsb (i, DATABLOCK1))) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock1 = 1; - return ((__u16 *) DATABLOCK1) [logical_block]; - } - - logical_block -= 512; - i = INODE->i_zone[8]; - if (!i || ((mapblock1 != 2) - && !minix_rdfsb (i, DATABLOCK1))) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock1 = 2; - i = ((__u16 *) DATABLOCK1)[logical_block >> 9]; - if (!i || ((mapblock2 != i) - && !minix_rdfsb (i, DATABLOCK2))) - { - errnum = ERR_FSYS_CORRUPT; - return -1; - } - mapblock2 = i; - return ((__u16 *) DATABLOCK2)[logical_block & 511]; -} - -/* read from INODE into BUF */ -int -minix_read (char *buf, int len) -{ - int logical_block; - int offset; - int map; - int ret = 0; - int size = 0; - - while (len > 0) - { - /* find the (logical) block component of our location */ - logical_block = filepos >> BLOCK_SIZE_BITS; - offset = filepos & (BLOCK_SIZE - 1); - map = minix_block_map (logical_block); -#ifdef DEBUG_MINIX - printf ("map=%d\n", map); -#endif - if (map < 0) - break; - - size = BLOCK_SIZE; - size -= offset; - if (size > len) - size = len; - - disk_read_func = disk_read_hook; - - devread (map * (BLOCK_SIZE / DEV_BSIZE), - offset, size, buf); - - disk_read_func = NULL; - - buf += size; - len -= size; - filepos += size; - ret += size; - } - - if (errnum) - ret = 0; - - return ret; -} - -/* preconditions: minix_mount already executed, therefore supblk in buffer - known as SUPERBLOCK - returns: 0 if error, nonzero iff we were able to find the file successfully - postconditions: on a nonzero return, buffer known as INODE contains the - inode of the file we were trying to look up - side effects: none yet */ -int -minix_dir (char *dirname) -{ - int current_ino = MINIX_ROOT_INO; /* start at the root */ - int updir_ino = current_ino; /* the parent of the current directory */ - int ino_blk; /* fs pointer of the inode's info */ - - int str_chk = 0; /* used ot hold the results of a string - compare */ - - struct minix_inode * raw_inode; /* inode info for current_ino */ - - char linkbuf[PATH_MAX]; /* buffer for following sym-links */ - int link_count = 0; - - char * rest; - char ch; - - int off; /* offset within block of directory - entry */ - int loc; /* location within a directory */ - int blk; /* which data blk within dir entry */ - long map; /* fs pointer of a particular block from - dir entry */ - struct minix_dir_entry * dp; /* pointer to directory entry */ - - /* loop invariants: - current_ino = inode to lookup - dirname = pointer to filename component we are cur looking up within - the directory known pointed to by current_ino (if any) */ - -#ifdef DEBUG_MINIX - printf ("\n"); -#endif - - while (1) - { -#ifdef DEBUG_MINIX - printf ("inode %d, dirname %s\n", current_ino, dirname); -#endif - - ino_blk = (2 + SUPERBLOCK->s_imap_blocks + SUPERBLOCK->s_zmap_blocks - + (current_ino - 1) / MINIX_INODES_PER_BLOCK); - if (! minix_rdfsb (ino_blk, (char *) INODE)) - return 0; - - /* reset indirect blocks! */ - mapblock2 = mapblock1 = -1; - - raw_inode = INODE + ((current_ino - 1) % MINIX_INODES_PER_BLOCK); - - /* copy inode to fixed location */ - memmove ((void *) INODE, (void *) raw_inode, - sizeof (struct minix_inode)); - - /* If we've got a symbolic link, then chase it. */ - if (S_ISLNK (INODE->i_mode)) - { - int len; - - if (++link_count > MAX_LINK_COUNT) - { - errnum = ERR_SYMLINK_LOOP; - return 0; - } -#ifdef DEBUG_MINIX - printf ("S_ISLNK (%s)\n", dirname); -#endif - - /* Find out how long our remaining name is. */ - len = 0; - while (dirname[len] && !isspace (dirname[len])) - len++; - - /* Get the symlink size. */ - filemax = (INODE->i_size); - if (filemax + len > sizeof (linkbuf) - 2) - { - errnum = ERR_FILELENGTH; - return 0; - } - - if (len) - { - /* Copy the remaining name to the end of the symlink data. - Note that DIRNAME and LINKBUF may overlap! */ - memmove (linkbuf + filemax, dirname, len); - } - linkbuf[filemax + len] = '\0'; - - /* Read the necessary blocks, and reset the file pointer. */ - len = grub_read (linkbuf, filemax); - filepos = 0; - if (!len) - return 0; - -#ifdef DEBUG_MINIX - printf ("symlink=%s\n", linkbuf); -#endif - - dirname = linkbuf; - if (*dirname == '/') - { - /* It's an absolute link, so look it up in root. */ - current_ino = MINIX_ROOT_INO; - updir_ino = current_ino; - } - else - { - /* Relative, so look it up in our parent directory. */ - current_ino = updir_ino; - } - - /* Try again using the new name. */ - continue; - } - - /* If end of filename, INODE points to the file's inode */ - if (!*dirname || isspace (*dirname)) - { - if (!S_ISREG (INODE->i_mode)) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - filemax = (INODE->i_size); - return 1; - } - - /* else we have to traverse a directory */ - updir_ino = current_ino; - - /* skip over slashes */ - while (*dirname == '/') - dirname++; - - /* if this isn't a directory of sufficient size to hold our file, - abort */ - if (!(INODE->i_size) || !S_ISDIR (INODE->i_mode)) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - /* skip to next slash or end of filename (space) */ - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; - rest++); - - /* look through this directory and find the next filename component */ - /* invariant: rest points to slash after the next filename component */ - *rest = 0; - loc = 0; - - do - { -#ifdef DEBUG_MINIX - printf ("dirname=`%s', rest=`%s', loc=%d\n", dirname, rest, loc); -#endif - - /* if our location/byte offset into the directory exceeds the size, - give up */ - if (loc >= INODE->i_size) - { - if (print_possibilities < 0) - { -#if 0 - putchar ('\n'); -#endif - } - else - { - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - } - return (print_possibilities < 0); - } - - /* else, find the (logical) block component of our location */ - blk = loc >> BLOCK_SIZE_BITS; - - /* we know which logical block of the directory entry we are looking - for, now we have to translate that to the physical (fs) block on - the disk */ - map = minix_block_map (blk); -#ifdef DEBUG_MINIX - printf ("fs block=%d\n", map); -#endif - mapblock2 = -1; - if ((map < 0) || !minix_rdfsb (map, DATABLOCK2)) - { - errnum = ERR_FSYS_CORRUPT; - *rest = ch; - return 0; - } - off = loc & (BLOCK_SIZE - 1); - dp = (struct minix_dir_entry *) (DATABLOCK2 + off); - /* advance loc prematurely to next on-disk directory entry */ - loc += sizeof (dp->inode) + namelen; - - /* NOTE: minix filenames are NULL terminated if < NAMELEN - else exact */ - -#ifdef DEBUG_MINIX - printf ("directory entry ino=%d\n", dp->inode); - if (dp->inode) - printf ("entry=%s\n", dp->name); -#endif - - if (dp->inode) - { - int saved_c = dp->name[namelen]; - - dp->name[namelen] = 0; - str_chk = substring (dirname, dp->name); - -# ifndef STAGE1_5 - if (print_possibilities && ch != '/' - && (!*dirname || str_chk <= 0)) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion (dp->name); - } -# endif - - dp->name[namelen] = saved_c; - } - - } - while (!dp->inode || (str_chk || (print_possibilities && ch != '/'))); - - current_ino = dp->inode; - *(dirname = rest) = ch; - } - /* never get here */ -} - -#endif /* FSYS_MINIX */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_ntfs.c b/qemu/roms/openbios/fs/grubfs/fsys_ntfs.c deleted file mode 100644 index a244f5c6b..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_ntfs.c +++ /dev/null @@ -1,1255 +0,0 @@ -/* vim: set sw=4 :*/ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -/* - * Samuel Leo <samuel@_.remove.me._szonline.net> - * Limitations: - * 1. Only 32 bit size support - * 2. don't support >1k MFT record size, >16k INDEX record size - * 3. don't support recursive at_attribute_list - * 4. don't support compressed attribute other than Datastream - * 5. all MFT's at_attribute_list must resident at first run list - * 6. don't support journaling - * 7. don't support EFS encryption - * 8. don't support mount point and junction - */ -#ifdef FSYS_NTFS - -//#define DEBUG_NTFS 1 - -/* -#define NO_ATTRIBUTE_LIST 1 - totally disable at_attribute_list support, - if no compressed/fragment file and MFT, - not recommended -#define NO_NON_RESIDENT_ATTRIBUTE_LIST 1 - disable non-resident at_attribute_list support, - if no huge compressed/fragment file and MFT -#define NO_NTFS_DECOMPRESSION 1 - disable ntfs compressed file support -#define NO_ALTERNATE_DATASTREAM 1 - disable ntfs alternate datastream support -*/ - -#include "shared.h" -#include "filesys.h" - -#ifdef STAGE1_5 -/* safe turn off non-resident attribute list if MFT fragments < 4000 */ -//#define NO_NON_RESIDENT_ATTRIBUTE_LIST 1 -#define NO_NTFS_DECOMPRESSION 1 -#endif - -#define MAX_MFT_RECORD_SIZE 1024 -#define MAX_INDEX_RECORD_SIZE 16384 -#define MAX_INDEX_BITMAP_SIZE 4096 -#define DECOMP_DEST_BUFFER_SIZE 16384 -#define DECOMP_SOURCE_BUFFER_SIZE (8192+2) -#define MAX_DIR_DEPTH 64 - -/* sizes are always in bytes, BLOCK values are always in DEV_BSIZE (sectors) */ -#define DEV_BSIZE 512 - -/* include/linux/fs.h */ -#define BLOCK_SIZE 512 - -#define WHICH_SUPER 1 -#define SBLOCK (WHICH_SUPER * BLOCK_SIZE / DEV_BSIZE) /* = 2 */ - -/* include/asm-i386/type.h */ -typedef __signed__ char __s8; -typedef unsigned char __u8; -typedef __signed__ short __s16; -typedef unsigned short __u16; -typedef __signed__ int __s32; -typedef unsigned int __u32; -typedef __signed__ long long __s64; -typedef unsigned long long __u64; - -#define FILE_MFT 0 -#define FILE_MFTMIRR 1 -#define FILE_LOGFILE 2 -#define FILE_VOLUME 3 -#define FILE_ATTRDEF 4 -#define FILE_ROOT 5 -#define FILE_BITMAP 6 -#define FILE_BOOT 7 -#define FILE_BADCLUS 8 -#define FILE_QUOTA 9 -#define FILE_UPCASE 10 - -#define at_standard_information 0x10 -#define at_attribute_list 0x20 -#define at_filename 0x30 -#define at_security_descriptor 0x50 -#define at_data 0x80 -#define at_index_root 0x90 -#define at_index_allocation 0xa0 -#define at_bitmap 0xb0 -#define at_symlink 0xc0 - -#define NONAME "" -#define ATTR_NORMAL 0 -#define ATTR_COMPRESSED 1 -#define ATTR_RESIDENT 2 -#define ATTR_ENCRYPTED 16384 -#define ATTR_SPARSE 32768 - -typedef struct run_list { - char *start; - char *ptr; - int svcn; - int evcn; - int vcn; - int cnum0; - int cnum; - int clen; -} RUNL; - -typedef struct ntfs_mft_record { - char mft[MAX_MFT_RECORD_SIZE]; - char mft2[MAX_MFT_RECORD_SIZE]; - int attr_type; - char *attr_name; - int attr_flag; - int attr_size; - char *attr; - int attr_len; - RUNL runl; - char *attr_list; - int attr_list_len; - int attr_list_size; - int attr_list_off; - int attr_inited; - char attr_list_buf[2*BLOCK_SIZE]; - RUNL attr_list_runl; -} MFTR; - - -#define index_data ((char *)FSYS_BUF) -#define bitmap_data ((__u8 *)(FSYS_BUF+MAX_INDEX_RECORD_SIZE)) -#define dcdbuf ((__u8 *)index_data) -#define dcsbuf (bitmap_data) -#define dcend (dcsbuf+DECOMP_SOURCE_BUFFER_SIZE) -#define fnbuf ((char *)(bitmap_data+MAX_INDEX_BITMAP_SIZE)) -#define mmft ((MFTR *)dcend) -#define cmft ((MFTR *)(dcend+sizeof(MFTR))) -#define mft_run ((RUNL *)(dcend+2*sizeof(MFTR))) -#define path_ino ((int *)(dcend+2*sizeof(MFTR)+sizeof(RUNL))) -#define cluster16 (path_ino+MAX_DIR_DEPTH) -#define index16 cluster16[16] -#define blocksize cluster16[17] -#define clustersize cluster16[18] -#define mft_record_size cluster16[19] -#define index_record_size cluster16[20] -#define dcvcn cluster16[21] -#define dcoff cluster16[22] -#define dclen cluster16[23] -#define dcrem cluster16[24] -#define dcslen cluster16[25] -#define dcsptr ((__u8 *)cluster16[26]) -#define is_ads_completion cluster16[27] - -static int read_mft_record(int mftno, char *mft, int self); -static int read_attribute(MFTR *mftr, int offset, char *buf, int len, RUNL *from_rl); -static int get_next_run(RUNL *runl); - -static inline int -nsubstring (char *s1, char *s2) -{ - while (tolower(*s1) == tolower(*s2)) - { - /* The strings match exactly. */ - if (! *(s1++)) - return 0; - s2 ++; - } - - /* S1 is a substring of S2. */ - if (*s1 == 0) - return -1; - - /* S1 isn't a substring. */ - return 1; -} - -static int fixup_record(char *record, char *magic, int size) -{ - int start, count, offset; - __u16 fixup; - - if(*(int *)record != *(int *)magic) - return 0; - start=*(__u16 *)(record+4); - count=*(__u16 *)(record+6); - count--; - if(size && blocksize*count != size) - return 0; - fixup = *(__u16 *)(record+start); - start+=2; - offset=blocksize-2; - while(count--){ - if(*(__u16 *)(record+offset)!=fixup) - return 0; - *(__u16 *)(record+offset) = *(__u16 *)(record+start); - start+=2; - offset+=blocksize; - } - return 1; -} - -static void rewind_run_list( RUNL *runl) { - runl->vcn = runl->svcn; - runl->ptr = runl->start; - runl->cnum0 = 0; - runl->cnum = 0; - runl->clen = 0; -} - -static int get_next_run(RUNL *runl){ - int t, n, v; - -#ifdef DEBUG_NTFS - printf("get_next_run: s=%d e=%d c=%d start=%x ptr=%x\n", - runl->svcn, runl->evcn, runl->vcn, runl->start, runl->ptr); -#endif - - runl->vcn += runl->clen; - if(runl->vcn > runl->evcn) { - return 0; - } - - t = *(runl->ptr)++; - n = t&0xf; - runl->clen = 0; v = 1; - while(n--) { - runl->clen += v * *((__u8 *)runl->ptr)++; - v <<= 8; - } - n = (t>>4)&0xf; - if(n==0) - runl->cnum = 0; - else { - int c = 0; - v = 1; - while(n--) { - c += v * *((__u8 *)runl->ptr)++; - v <<= 8; - } - if(c & (v>>1)) c -= v; - runl->cnum0 += c; - runl->cnum = runl->cnum0; - } -#ifdef DEBUG_NTFS - printf("got_next_run: t=%x cluster %x len %x vcn=%x ecn=%x\n", - t, runl->cnum, runl->clen, runl->vcn, runl->evcn); -#endif - return 1; -} - -#ifndef NO_ATTRIBUTE_LIST -static void init_run_list(char *attr, int len, RUNL *runl, __u32 *initp) { - int allocated; - - runl->svcn = *(__u32 *)(attr+0x10); /* only support 32 bit */ - runl->evcn = *(__u32 *)(attr+0x18); /* only support 32 bit */ - runl->start = attr + *(__u16 *)(attr+0x20); - allocated = *(__u32 *)(attr+0x28); - if(initp) *initp = *(__u32 *)(attr+0x38); - if(!runl->evcn) runl->evcn = (allocated - 1) / clustersize; -#ifdef DEBUG_NTFS - printf("size %d allocated=%d inited=%d cegin=%x csize=%d vcn=%d-%d\n", - /*attr_size*/ *(__u32 *)(attr+0x30), - /*allocated*/ *(__u32 *)(attr+0x28), - /*attr_inited*/ *(__u32 *)(attr+0x38), - /*cengin*/ *(__u16 *)(attr+0x22), - /*csize*/ *(__u16 *)(attr+0x40), - runl->svcn, runl->evcn); -#endif - rewind_run_list(runl); -} -#endif - - -static int find_attribute(char *mft, int type, char *name, char **attr, int *size, int *len, int *flag) { - int t, l, r, n, i, namelen; - unsigned short *attr_name; - - n = strlen(name); - r = mft_record_size - *(__u16 *)(mft+0x14); - mft += *(__u16 *)(mft+0x14); - while( (t = *(__s32 *)mft) != -1 ) { - l = *(__u32 *)(mft+4); - if(l>r) break; -#ifdef DEBUG_NTFS - printf("type = %x len = %d namelen=%d resident=%d compresed=%d attrno=%d\n", - t, l, - /*namelen*/ *(mft+9), - //name = (__u16 *)(mft + *(__u16 *)(mft+10)), - /*resident */ (*(mft+8) == 0), - /*compressed*/ *(__u16 *)(mft+12), - /*attrno*/ *(__u16 *)(mft+14)); -#endif - namelen = *(mft+9); - if(t == type) { -#ifndef STAGE1_5 -#ifndef NO_ALTERNATE_DATASTREAM - if(is_ads_completion && type == at_data) { - if(namelen && namelen >= n && - (!*(mft+8)/*resident*/ || !*(__u32 *)(attr+0x10)/*svcn==0*/)) - { - for(i=0, attr_name=(__u16 *)(mft + *(__u16 *)(mft+10)); i < n; i++) - if(tolower(name[i]) != tolower(attr_name[i])) - break; - if(i >= n) { - for(; i < namelen; i++) - name[i] = attr_name[i]; - name[i] = '\0'; - if(print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion(fnbuf); - name[n] = '\0'; - } - } - } else -#endif -#endif - if(namelen == n) { - - for(i=0, attr_name=(__u16 *)(mft + *(__u16 *)(mft+10)); i<n; i++) - if(tolower(name[i]) != tolower(attr_name[i])) - break; - if(i>=n) { - if(flag) *flag = *(__u16 *)(mft+12); - if(*(mft+8) == 0) { - if(flag) *flag |= ATTR_RESIDENT; -#ifdef DEBUG_NTFS - printf("resident data at %x size %x indexed=%d\n", - /*data*/ *(__u16 *)(mft+0x14), - /*attr_size*/ *(__u16 *)(mft+0x10), - /*indexed*/ *(__u16 *)(mft+0x16)); -#endif - if(attr) *attr = mft + *(__u16 *)(mft+0x14); - if(size) *size = *(__u16 *)(mft+0x10); - if(len) *len = *(__u16 *)(mft+0x10); - } else { - if(attr) *attr = mft; - if(size) *size = *(__u32 *)(mft+0x30); - if(len) *len = l; - } - return 1; - } - } - } - mft += l; - r -= l; - } - return 0; -} - -#ifndef NO_ATTRIBUTE_LIST -static __u32 get_next_attribute_list(MFTR *mftr, int *size) { - int l, t, mftno; -#ifdef DEBUG_NTFS - printf("get_next_attribute_list: type=%x\n",mftr->attr_type); -#endif -again: - while(mftr->attr_list_len>0x14) { - t = *(__u32 *)(mftr->attr_list + 0); - l = *(__u16 *)(mftr->attr_list + 4); -#ifdef DEBUG_NTFS - printf("attr_list type=%x len=%x remain=%x\n", t, l, mftr->attr_list_len); -#endif - if(l==0 || l>mftr->attr_list_len) return 0; - mftno = *(__u32 *)(mftr->attr_list + 0x10); - mftr->attr_list_len -= l; - mftr->attr_list += l; - if(t==mftr->attr_type) - { -#ifdef DEBUG_NTFS - printf("attr_list mftno=%x\n", mftno); -#endif - if(read_mft_record(mftno, mftr->mft2, (mftr==mmft))==0) - break; - if(find_attribute(mftr->mft2, mftr->attr_type, mftr->attr_name, - &mftr->attr, size, &mftr->attr_len, &mftr->attr_flag)) - return 1; - } - } -#ifndef NO_NON_RESIDENT_ATTRIBUTE_LIST - if(mftr->attr_list_off < mftr->attr_list_size) { - int len = mftr->attr_list_size - mftr->attr_list_off; - if(len > BLOCK_SIZE) len = BLOCK_SIZE; - - if(mftr->attr_list_len) - memmove(mftr->attr_list_buf, mftr->attr_list, mftr->attr_list_len); - mftr->attr_list = mftr->attr_list_buf; - - if(read_attribute( NULL, mftr->attr_list_off, - mftr->attr_list_buf + mftr->attr_list_len, - len, &mftr->attr_list_runl) != len) - { -#ifdef DEBUG_NTFS - printf("CORRUPT NON-RESIDENT ATTRIBUTE_LIST\n"); -#endif - /* corrupt */ - errnum = ERR_FSYS_CORRUPT; - mftr->attr_list_size = 0; - mftr->attr_len = 0; - mftr->attr_list = NULL; - return 0; - } - - mftr->attr_list_len += len; - mftr->attr_list_off += len; - goto again; - } -#endif - mftr->attr_list = NULL; - return 0; -} -#endif - -static int search_attribute( MFTR *mftr, int type, char *name) -{ -#ifdef DEBUG_NTFS - printf("searching attribute %x <%s>\n", type, name); -#endif - - mftr->attr_type = type; - mftr->attr_name = name; - mftr->attr_list = NULL; - mftr->attr_list_len = 0; - mftr->attr_list_size = 0; - mftr->attr_list_off = 0; - dcrem = dclen = 0; - -#ifndef NO_ATTRIBUTE_LIST - if(find_attribute(mftr->mft, at_attribute_list, NONAME, - &mftr->attr_list, &mftr->attr_list_size, - &mftr->attr_list_len, &mftr->attr_list_off)) { - if(mftr->attr_list_off&ATTR_RESIDENT) { - /* resident at_attribute_list */ - mftr->attr_list_size = 0; -#ifdef DEBUG_NTFS - printf("resident attribute_list len=%x\n", mftr->attr_list_len); -#endif - } else { -#ifdef DEBUG_NTFS - printf("non-resident attribute_list len=%x size=%x\n", - mftr->attr_list_len, mftr->attr_list_size); -#endif -#ifndef NO_NON_RESIDENT_ATTRIBUTE_LIST - init_run_list(mftr->attr_list, mftr->attr_list_len, &mftr->attr_list_runl, NULL); - if(get_next_run(&mftr->attr_list_runl)==0 || - mftr->attr_list_runl.cnum==0) - mftr->attr_list_size = 0; -#endif - mftr->attr_list = NULL; - mftr->attr_list_len = 0; - } - } -#endif - - if(find_attribute(mftr->mft, type, name, - &mftr->attr, &mftr->attr_size, &mftr->attr_len, - &mftr->attr_flag) -#ifndef NO_ATTRIBUTE_LIST - || get_next_attribute_list(mftr, &mftr->attr_size) -#endif - ) - { -#ifndef NO_ATTRIBUTE_LIST - if(!(mftr->attr_flag&ATTR_RESIDENT)){ - init_run_list(mftr->attr, mftr->attr_len, &mftr->runl, &mftr->attr_inited); - if(mftr->attr_inited > mftr->attr_size) - mftr->attr_inited = mftr->attr_size; - if(get_next_run(&mftr->runl)==0) { - mftr->attr_flag |= ATTR_RESIDENT; - mftr->attr_len = 0; - } - } else - mftr->attr_inited = mftr->attr_size; -#endif - - return 1; - } - - mftr->attr_type = 0; - return 0; -} - -static int get_run( RUNL *rl, int vcn, int *clp, int *lenp) { - if(rl->evcn < vcn) - return 0; - - if(rl->vcn > vcn) { - rewind_run_list(rl); - get_next_run(rl); - } - - while(rl->vcn+rl->clen <= vcn) - { - if(get_next_run(rl)==0) - return 0; - } - - if(clp) *clp = rl->cnum == 0 ? 0 : rl->cnum + vcn - rl->vcn; - if(lenp) *lenp = rl->clen - vcn + rl->vcn; - return 1; -} - -static int search_run(MFTR *mftr, int vcn) { - - if( mftr->attr==NULL && !search_attribute(mftr, mftr->attr_type, mftr->attr_name)) - return 0; - - if(mftr->runl.svcn > vcn) - search_attribute(mftr, mftr->attr_type, mftr->attr_name); - -#ifdef NO_ATTRIBUTE_LIST - if(mftr->runl.evcn < vcn) - return 0; -#else - while(mftr->runl.evcn < vcn) { - if(get_next_attribute_list(mftr, NULL)==0) { - mftr->attr = NULL; - return 0; - } - init_run_list(mftr->attr, mftr->attr_len, &mftr->runl, NULL); - if(get_next_run(&mftr->runl)==0) { - mftr->attr = NULL; - return 0; - } - } -#endif - - return 1; -} - -static int read_attribute(MFTR *mftr, int offset, char *buf, int len, RUNL *from_rl) { - int vcn; - int cnum, clen; - int done = 0; - int n; - RUNL *rl; - - if(!from_rl && (mftr->attr_flag & ATTR_RESIDENT)) { - /* resident attribute */ - if(offset > mftr->attr_len) - return 0; - if(offset+len > mftr->attr_len) - len = mftr->attr_len - offset; - memmove( buf, mftr->attr + offset, len); - return len; - } - - vcn = offset / clustersize; - offset %= clustersize; - - while(len>0) { - if(from_rl) - rl = from_rl; - else if(search_run(mftr, vcn) == 0) - break; - else - rl = &mftr->runl; - if(get_run(rl, vcn, &cnum, &clen) == 0) - break; - if(cnum==0 && from_rl) - break; - n = clen * clustersize - offset; - if(n > len) n = len; - if(cnum==0) { - memset( buf, 0, n); - } else if(!devread(cnum*(clustersize>>9)+(offset>>9), offset&0x1ff, n, buf)) - break; - - buf += n; - vcn += (offset+n)/clustersize; - done += n; - offset = 0; - len -= n; - } - return done; -} - -static int read_mft_record(int mftno, char *mft, int self){ -#ifdef DEBUG_NTFS - printf("Reading MFT record: mftno=%d\n", mftno); -#endif - if( read_attribute( mmft, mftno * mft_record_size, - mft, mft_record_size, self?mft_run:NULL) != mft_record_size) - return 0; - if(!fixup_record( mft, "FILE", mft_record_size)) - return 0; - return 1; -} - -#ifndef NO_NTFS_DECOMPRESSION -static int get_16_cluster(MFTR *mftr, int vcn) { - int n = 0, cnum, clen; - while(n < 16 && search_run(mftr, vcn) && get_run(&mftr->runl, vcn, &cnum, &clen) && cnum) { - if(clen > 16 - n) - clen = 16 - n; - vcn += clen; - while(clen--) - cluster16[n++] = cnum++; - } - cluster16[n] = 0; - return n; -} - -static inline int compressed_block_size( unsigned char *src ) { - return 3 + (*(__u16 *)src & 0xfff); -} - -static int decompress_block(unsigned char *dest, unsigned char *src) { - int head; - int copied=0; - unsigned char *last; - int bits; - int tag=0; - - /* high bit indicates that compression was performed */ - if(!(*(__u16 *)src & 0x8000)) { - memmove(dest,src+2,0x1000); - return 0x1000; - } - - if((head = *(__u16 *)src & 0xFFF)==0) - /* block is not used */ - return 0; - - src += 2; - last = src+head; - bits = 0; - - while(src<=last) - { - if(copied>4096) - { -#ifdef DEBUG_NTFS - printf("decompress error 1\n"); -#endif - errnum = ERR_FSYS_CORRUPT; - return 0; - } - if(!bits){ - tag=*(__u8 *)src; - bits=8; - src++; - if(src>last) - break; - } - if(tag & 1){ - int i,len,delta,code,lmask,dshift; - code = *(__u16 *)src; - src+=2; - if(!copied) - { -#ifdef DEBUG_NTFS - printf("decompress error 2\n"); -#endif - errnum = ERR_FSYS_CORRUPT; - return 0; - } - for(i=copied-1,lmask=0xFFF,dshift=12;i>=0x10;i>>=1) - { - lmask >>= 1; - dshift--; - } - delta = code >> dshift; - len = (code & lmask) + 3; - for(i=0; i<len; i++) - { - dest[copied]=dest[copied-delta-1]; - copied++; - } - } else - dest[copied++]=*(__u8 *)src++; - tag>>=1; - bits--; - } - - return copied; -} -#endif - -int ntfs_read(char *buf, int len){ - int ret; -#ifdef STAGE1_5 -/* stage2 can't be resident/compressed/encrypted files, - * but does sparse flag, cause stage2 never sparsed - */ - if((cmft->attr_flag&~ATTR_SPARSE) != ATTR_NORMAL) - return 0; - disk_read_func = disk_read_hook; - ret = read_attribute(cmft, filepos, buf, len, 0); - disk_read_func = NULL; - filepos += ret; -#else - -#ifndef NO_NTFS_DECOMPRESSION - int off; - int vcn; - int size; - int len0; -#endif - - if(len<=0 || filepos >= cmft->attr_size || (cmft->attr_flag&ATTR_ENCRYPTED)) - return 0; - - if(filepos+len > cmft->attr_size) - len = cmft->attr_size - filepos; - if(filepos >= cmft->attr_inited) { -#ifdef DEBUG_NTFS -printf("reading uninitialized data 1\n"); -#endif - memset(buf, 0, len); - return len; - } else if(filepos+len > cmft->attr_inited) { - len0 = len; - len = cmft->attr_inited - filepos; - len0 -= len; - } else - len0 = 0; -#ifdef DEBUG_NTFS -printf("read filepos=%x filemax=%x inited=%x len=%x len0=%x\n",filepos,filemax,cmft->attr_inited,len,len0); -#endif - - if((cmft->attr_flag&(ATTR_COMPRESSED|ATTR_RESIDENT)) != ATTR_COMPRESSED) { - if(cmft->attr_flag==ATTR_NORMAL) - disk_read_func = disk_read_hook; - ret = read_attribute(cmft, filepos, buf, len, 0); - if(cmft->attr_flag==ATTR_NORMAL) - disk_read_func = NULL; - filepos += ret; - if(ret==len && len0) { - memset(buf+len, 0, len0); - filepos += len0; - ret += len0; - } - return ret; - } - - ret = 0; - -#ifndef NO_NTFS_DECOMPRESSION - /* NTFS don't support compression if cluster size > 4k */ - if(clustersize > 4096) { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - - while(len > 0){ -#ifdef DEBUG_NTFS -printf("Reading filepos=%x len=%x\n", filepos, len); -#endif - if(filepos >= dcoff && filepos < (dcoff+dclen)) { -#ifdef DEBUG_NTFS -printf("decompress cache %x+%x\n", dcoff, dclen); -#endif - size = dcoff + dclen - filepos; - if(size > len) size = len; - memmove( buf, dcdbuf + filepos - dcoff, size); - filepos += size; - len -= size; - ret += size; - buf += size; - if(len==0) { - if(len0) { -#ifdef DEBUG_NTFS -printf("reading uninitialized data 2\n"); -#endif - memset(buf, 0, len0); - filepos += len0; - ret += len0; - } - return ret; - } - } - - vcn = filepos / clustersize / 16; - vcn *= 16; - off = filepos % (16 * clustersize); - if( dcvcn != vcn || filepos < dcoff) - dcrem = 0; - -#ifdef DEBUG_NTFS -printf("vcn %x off %x dcrem %x\n", vcn, off, dcrem); -#endif - if(dcrem) { - int head; - - /* reading source */ - if(dcslen < 2 || compressed_block_size(dcsptr) > dcslen) { - if(cluster16[index16]==0) { - errnum = ERR_FSYS_CORRUPT; - return ret; - } - if(dcslen) - memmove(dcsbuf, dcsptr, dcslen); - dcsptr = dcsbuf; - while((dcslen+clustersize) < DECOMP_SOURCE_BUFFER_SIZE) { - if(cluster16[index16]==0) - break; -#ifdef DEBUG_NTFS -printf("reading dcslen=%x cluster %x\n", dcslen, cluster16[index16]); -#endif - if(!devread(cluster16[index16]*(clustersize>>9), 0, clustersize, dcsbuf+dcslen)) - return ret; - dcslen += clustersize; - index16++; - } - } - /* flush destination */ - dcoff += dclen; - dclen = 0; - - while(dcrem && dclen < DECOMP_DEST_BUFFER_SIZE && - dcslen >= 2 && (head=compressed_block_size(dcsptr)) <= dcslen) { - size = decompress_block(dcdbuf+dclen, dcsptr); - if(dcrem>=0x1000 && size!=0x1000) { - errnum = ERR_FSYS_CORRUPT; - return ret; - } - dcrem -= size; - dclen += size; - dcsptr += head; - dcslen -= head; - } - continue; - } - dclen = dcrem = 0; -#ifdef DEBUG_NTFS -printf("get next 16 clusters\n"); -#endif - switch(get_16_cluster(cmft, vcn)) { - case 0: -#ifdef DEBUG_NTFS -printf("sparse\n"); -#endif - /* sparse */ - size = 16 * clustersize - off; - if( len < size ) - size = len; -#ifndef STAGE1_5 - memset( buf, 0, size); -#endif - filepos += size; - len -= size; - ret += size; - buf += size; - break; - - case 16: -#ifdef DEBUG_NTFS -printf("uncompressed\n"); -#endif - /* uncompressed */ - index16 = off / clustersize; - off %= clustersize; - while(index16 < 16) { - size = clustersize - off; - if( len < size ) - size = len; - if(!devread(cluster16[index16]*(clustersize>>9)+(off>>9), off&0x1ff, size, buf)) - return ret; - filepos += size; - len -= size; - ret += size; - if(len==0) - return ret; - off = 0; - buf += size; - index16++; - } - break; - - default: -#ifdef DEBUG_NTFS -printf("compressed\n"); -#endif - index16 = 0; - dcvcn = vcn; - dcoff = vcn * clustersize; - dcrem = cmft->attr_inited - dcoff; - if(dcrem > 16 * clustersize) - dcrem = 16 * clustersize; - dcsptr = dcsbuf; - dcslen = 0; - } - } - if(len0) { -#ifdef DEBUG_NTFS -printf("reading uninitialized data 3\n"); -#endif - memset(buf, 0, len0); - filepos += len0; - ret += len0; - } -#else - errnum = FSYS_CORRUPT; -#endif /*NO_NTFS_DECOMPRESSION*/ -#endif /*STAGE1_5*/ - return ret; -} - -int ntfs_mount (void) -{ - char *sb = (char *)FSYS_BUF; - int mft_record; - int spc; - - if (((current_drive & 0x80) || (current_slice != 0)) - && (current_slice != /*PC_SLICE_TYPE_NTFS*/7) - && (current_slice != /*PC_SLICE_TYPE_NTFS*/0x17)) - return 0; - - if (!devread (0, 0, 512, (char *) FSYS_BUF)) - return 0; /* Cannot read superblock */ - - if(sb[3]!='N' || sb[4]!='T' || sb[5]!='F' || sb[6]!='S') - return 0; - blocksize = *(__u16 *)(sb+0xb); - spc = *(unsigned char *)(sb+0xd); - clustersize = spc * blocksize; - mft_record_size = *(char *)(sb+0x40); - index_record_size = *(char *)(sb+0x44); - if(mft_record_size>0) - mft_record_size *= clustersize; - else - mft_record_size = 1 << (-mft_record_size); - - index_record_size *= clustersize; - mft_record = *(__u32 *)(sb+0x30); /* only support 32 bit */ - spc = clustersize / 512; - - if(mft_record_size > MAX_MFT_RECORD_SIZE || index_record_size > MAX_INDEX_RECORD_SIZE) { - /* only support 1k MFT record, 4k INDEX record */ - return 0; - } - -#ifdef DEBUG_NTFS - printf("spc=%x mft_record=%x:%x\n", spc, *(__s64 *)(sb+0x30)); -#endif - - if (!devread (mft_record*spc, 0, mft_record_size, mmft->mft)) - return 0; /* Cannot read superblock */ - - if(!fixup_record( mmft->mft, "FILE", mft_record_size)) - return 0; - -#ifndef NO_ALTERNATE_DATASTREAM - is_ads_completion = 0; -#endif - if(!search_attribute(mmft, at_data, NONAME)) return 0; - - *mft_run = mmft->runl; - - *path_ino = FILE_ROOT; - - return 1; -} - -int -ntfs_dir (char *dirname) -{ - char *rest, ch; - int namelen; - int depth = 0; - int chk_sfn = 1; - int flag = 0; - int record_offset; - int my_index_record_size; - unsigned char *index_entry = 0, *entry, *index_end; - int i; - - /* main loop to find desired directory entry */ -loop: - -#ifdef DEBUG_NTFS - printf("dirname=%s\n", dirname); -#endif - if(!read_mft_record(path_ino[depth], cmft->mft, 0)) - { -#ifdef DEBUG_NTFS - printf("MFT error 1\n"); -#endif - errnum = ERR_FSYS_CORRUPT; - return 0; - } - - /* if we have a real file (and we're not just printing possibilities), - then this is where we want to exit */ - - if (!*dirname || isspace (*dirname) || *dirname==':') - { -#ifndef STAGE1_5 -#ifndef NO_ALTERNATE_DATASTREAM - if (*dirname==':' && print_possibilities) { - char *tmp; - - /* preparing ADS name completion */ - for(tmp = dirname; *tmp != '/'; tmp--); - for(tmp++, rest=fnbuf; *tmp && !isspace(*tmp); *rest++ = *tmp++) - if(*tmp==':') dirname = rest; - *rest++ = '\0'; - - is_ads_completion = 1; - search_attribute(cmft, at_data, dirname+1); - is_ads_completion = 0; - - if(errnum==0) { - if(print_possibilities < 0) - return 1; - errnum = ERR_FILE_NOT_FOUND; - } - return 0; - } -#endif -#endif - - if (*dirname==':') dirname++; - for (rest = dirname; (ch = *rest) && !isspace (ch); rest++); - *rest = 0; - -#ifdef DEBUG_NTFS - printf("got file: search at_data\n"); -#endif - - if (!search_attribute(cmft, at_data, dirname)) { - errnum = *(dirname-1)==':'?ERR_FILE_NOT_FOUND:ERR_BAD_FILETYPE; - *rest = ch; - return 0; - } - *rest = ch; - - filemax = cmft->attr_size; -#ifdef DEBUG_NTFS - printf("filemax=%x\n", filemax); -#endif - return 1; - } - - if(depth >= (MAX_DIR_DEPTH-1)) { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - - /* continue with the file/directory name interpretation */ - - while (*dirname == '/') - dirname++; - - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/' && ch != ':'; rest++); - - *rest = 0; - - if (!search_attribute(cmft, at_index_root, "$I30")) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - read_attribute(cmft, 0, fnbuf, 16, 0); - my_index_record_size = *(__u32 *)(fnbuf+8); - - if(my_index_record_size > MAX_INDEX_RECORD_SIZE) { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - -#ifdef DEBUG_NTFS - printf("index_record_size=%x\n", my_index_record_size); -#endif - - if(cmft->attr_size > MAX_INDEX_RECORD_SIZE) { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - read_attribute(cmft, 0, index_data, cmft->attr_size, 0); - index_end = index_data + cmft->attr_size; - index_entry = index_data + 0x20; - record_offset = -1; - -#ifndef STAGE1_5 - if (print_possibilities && ch != '/' && ch != ':' && !*dirname) - { - print_possibilities = -print_possibilities; - /* fake '.' for empty directory */ - print_a_completion ("."); - } -#endif - - if (search_attribute(cmft, at_bitmap, "$I30")) { - if(cmft->attr_size > MAX_INDEX_BITMAP_SIZE) { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - - read_attribute(cmft, 0, bitmap_data, cmft->attr_size, 0); - - if (search_attribute(cmft, at_index_allocation, "$I30")==0) { - errnum = ERR_FSYS_CORRUPT; - return 0; - } - - for(record_offset = 0; record_offset*my_index_record_size<cmft->attr_size; record_offset++){ - int bit = 1 << (record_offset&3); - int byte = record_offset>>3; -#ifdef DEBUG_NTFS - printf("record_offset=%x\n", record_offset); -#endif - if((bitmap_data[byte]&bit)) - break; - } - - if(record_offset*my_index_record_size>=cmft->attr_size) record_offset = -1; - } - - do - { - entry = index_entry; index_entry += *(__u16 *)(entry+8); - if(entry+0x50>=index_entry||entry>=index_end|| - index_entry>=index_end||(entry[0x12]&2)){ - if(record_offset < 0 || - !read_attribute(cmft, record_offset*my_index_record_size, index_data, my_index_record_size, 0)){ - if (!errnum) - { - if (print_possibilities < 0) - { -#if 0 - putchar ('\n'); -#endif - return 1; - } - - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - } - - return 0; - } - if(!fixup_record( index_data, "INDX", my_index_record_size)) - { -#ifdef DEBUG_NTFS - printf("index error\n"); -#endif - errnum = ERR_FSYS_CORRUPT; - return 0; - } - entry = index_data + 0x18 + *(__u16 *)(index_data+0x18); - index_entry = entry + *(__u16 *)(entry+8); - index_end = index_data + my_index_record_size - 0x52; - for(record_offset++; record_offset*my_index_record_size<cmft->attr_size; record_offset++){ - int bit = 1 << (record_offset&3); - int byte = record_offset>>3; - if((bitmap_data[byte]&bit)) break; - } - if(record_offset*my_index_record_size>=cmft->attr_size) record_offset = -1; -#ifdef DEBUG_NTFS - printf("record_offset=%x\n", record_offset); -#endif - } - flag = entry[0x51]; - path_ino[depth+1] = *(__u32 *)entry; - if(path_ino[depth+1] < 16) - continue; - namelen = entry[0x50]; - //if(index_data[0x48]&2) printf("hidden file\n"); -#ifndef STAGE1_5 - /* skip short file name */ - if( flag == 2 && print_possibilities && ch != '/' && ch != ':' ) - continue; -#endif - - for( i = 0, entry+=0x52; i < namelen; i++, entry+=2 ) - { - int c = *(__u16 *)entry; - if(c==' '||c>=0x100) - fnbuf[i] = '_'; - else - fnbuf[i] = c; - } - fnbuf[namelen] = 0; -#ifdef DEBUG_NTFS - printf("FLAG: %d NAME: %s inum=%d\n", flag,fnbuf,path_ino[depth+1]); -#endif - - //uncntrl(fnbuf); - - chk_sfn = nsubstring(dirname,fnbuf); -#ifndef STAGE1_5 - if (print_possibilities && ch != '/' && ch != ':' - && (!*dirname || chk_sfn <= 0)) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion (fnbuf); - } -#endif /* STAGE1_5 */ - } - while (chk_sfn != 0 || - (print_possibilities && ch != '/' && ch != ':')); - - *(dirname = rest) = ch; - - depth++; - - /* go back to main loop at top of function */ - goto loop; -} - -#ifdef DEBUG_NTFS -int dump_block(char *msg, char *buf, int size){ - int l = (size+15)/16; - int off; - int i, j; - int c; - printf("----- %s -----\n", msg); - for( i = 0, off = 0; i < l; i++, off+=16) - { - if(off<16) - printf("000%x:", off); - else if(off<256) - printf("00%x:", off); - else - printf("0%x:", off); - for(j=0;j<16;j++) - { - c = buf[off+j]&0xff; - if( c >= 16 ) - printf("%c%x",j==8?'-':' ',c); - else - printf("%c0%x",j==8?'-':' ',c); - } - printf(" "); - for(j=0;j<16;j++) { - char c = buf[off+j]; - printf("%c",c<' '||c>='\x7f'?'.':c); - } - printf("\n"); - } -} -#endif -#endif /* FSYS_NTFS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_reiserfs.c b/qemu/roms/openbios/fs/grubfs/fsys_reiserfs.c deleted file mode 100644 index b94a33529..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_reiserfs.c +++ /dev/null @@ -1,1220 +0,0 @@ -/* fsys_reiserfs.c - an implementation for the ReiserFS filesystem */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000, 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifdef FSYS_REISERFS -#include "shared.h" -#include "filesys.h" - -#undef REISERDEBUG - -/* Some parts of this code (mainly the structures and defines) are - * from the original reiser fs code, as found in the linux kernel. - */ - -/* include/asm-i386/types.h */ -typedef __signed__ char __s8; -typedef unsigned char __u8; -typedef __signed__ short __s16; -typedef unsigned short __u16; -typedef __signed__ int __s32; -typedef unsigned int __u32; -typedef unsigned long long __u64; - -/* linux/posix_type.h */ -typedef long linux_off_t; - -#include "libc/byteorder.h" - -/* include/linux/reiser_fs.h */ -/* This is the new super block of a journaling reiserfs system */ -struct reiserfs_super_block -{ - __u32 s_block_count; /* blocks count */ - __u32 s_free_blocks; /* free blocks count */ - __u32 s_root_block; /* root block number */ - __u32 s_journal_block; /* journal block number */ - __u32 s_journal_dev; /* journal device number */ - __u32 s_journal_size; /* size of the journal on FS creation. used to make sure they don't overflow it */ - __u32 s_journal_trans_max; /* max number of blocks in a transaction. */ - __u32 s_journal_magic; /* random value made on fs creation */ - __u32 s_journal_max_batch; /* max number of blocks to batch into a trans */ - __u32 s_journal_max_commit_age; /* in seconds, how old can an async commit be */ - __u32 s_journal_max_trans_age; /* in seconds, how old can a transaction be */ - __u16 s_blocksize; /* block size */ - __u16 s_oid_maxsize; /* max size of object id array */ - __u16 s_oid_cursize; /* current size of object id array */ - __u16 s_state; /* valid or error */ - char s_magic[16]; /* reiserfs magic string indicates that file system is reiserfs */ - __u16 s_tree_height; /* height of disk tree */ - __u16 s_bmap_nr; /* amount of bitmap blocks needed to address each block of file system */ - __u16 s_version; - char s_unused[128]; /* zero filled by mkreiserfs */ -}; - -#define REISERFS_MAX_SUPPORTED_VERSION 2 -#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs" -#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs" - -#define MAX_HEIGHT 7 - -/* must be correct to keep the desc and commit structs at 4k */ -#define JOURNAL_TRANS_HALF 1018 - -/* first block written in a commit. */ -struct reiserfs_journal_desc { - __u32 j_trans_id; /* id of commit */ - __u32 j_len; /* length of commit. len +1 is the commit block */ - __u32 j_mount_id; /* mount id of this trans*/ - __u32 j_realblock[JOURNAL_TRANS_HALF]; /* real locations for the first blocks */ - char j_magic[12]; -}; - -/* last block written in a commit */ -struct reiserfs_journal_commit { - __u32 j_trans_id; /* must match j_trans_id from the desc block */ - __u32 j_len; /* ditto */ - __u32 j_realblock[JOURNAL_TRANS_HALF]; /* real locations for the last blocks */ - char j_digest[16]; /* md5 sum of all the blocks involved, including desc and commit. not used, kill it */ -}; - -/* this header block gets written whenever a transaction is considered - fully flushed, and is more recent than the last fully flushed - transaction. - fully flushed means all the log blocks and all the real blocks are - on disk, and this transaction does not need to be replayed. -*/ -struct reiserfs_journal_header { - /* id of last fully flushed transaction */ - __u32 j_last_flush_trans_id; - /* offset in the log of where to start replay after a crash */ - __u32 j_first_unflushed_offset; - /* mount id to detect very old transactions */ - __u32 j_mount_id; -}; - -/* magic string to find desc blocks in the journal */ -#define JOURNAL_DESC_MAGIC "ReIsErLB" - - -/* - * directories use this key as well as old files - */ -struct offset_v1 -{ - /* - * for regular files this is the offset to the first byte of the - * body, contained in the object-item, as measured from the start of - * the entire body of the object. - * - * for directory entries, k_offset consists of hash derived from - * hashing the name and using few bits (23 or more) of the resulting - * hash, and generation number that allows distinguishing names with - * hash collisions. If number of collisions overflows generation - * number, we return EEXIST. High order bit is 0 always - */ - __u32 k_offset; - __u32 k_uniqueness; -}; - -struct offset_v2 -{ - /* - * for regular files this is the offset to the first byte of the - * body, contained in the object-item, as measured from the start of - * the entire body of the object. - * - * for directory entries, k_offset consists of hash derived from - * hashing the name and using few bits (23 or more) of the resulting - * hash, and generation number that allows distinguishing names with - * hash collisions. If number of collisions overflows generation - * number, we return EEXIST. High order bit is 0 always - */ - __u64 k_offset:60; - __u64 k_type: 4; -}; - - -struct key -{ - /* packing locality: by default parent directory object id */ - __u32 k_dir_id; - /* object identifier */ - __u32 k_objectid; - /* the offset and node type (old and new form) */ - union - { - struct offset_v1 v1; - struct offset_v2 v2; - } - u; -}; - -#define KEY_SIZE (sizeof (struct key)) - -/* Header of a disk block. More precisely, header of a formatted leaf - or internal node, and not the header of an unformatted node. */ -struct block_head -{ - __u16 blk_level; /* Level of a block in the tree. */ - __u16 blk_nr_item; /* Number of keys/items in a block. */ - __u16 blk_free_space; /* Block free space in bytes. */ - struct key blk_right_delim_key; /* Right delimiting key for this block (supported for leaf level nodes - only) */ -}; -#define BLKH_SIZE (sizeof (struct block_head)) -#define DISK_LEAF_NODE_LEVEL 1 /* Leaf node level. */ - -struct item_head -{ - struct key ih_key; /* Everything in the tree is found by searching for it based on its key.*/ - - union - { - __u16 ih_free_space; /* The free space in the last unformatted node of an indirect item if this - is an indirect item. This equals 0xFFFF iff this is a direct item or - stat data item. Note that the key, not this field, is used to determine - the item type, and thus which field this union contains. */ - __u16 ih_entry_count; /* Iff this is a directory item, this field equals the number of directory - entries in the directory item. */ - } - u; - __u16 ih_item_len; /* total size of the item body */ - __u16 ih_item_location; /* an offset to the item body within the block */ - __u16 ih_version; /* ITEM_VERSION_1 for all old items, - ITEM_VERSION_2 for new ones. - Highest bit is set by fsck - temporary, cleaned after all done */ -}; -/* size of item header */ -#define IH_SIZE (sizeof (struct item_head)) - -#define ITEM_VERSION_1 0 -#define ITEM_VERSION_2 1 -#define IH_KEY_OFFSET(ih) ((ih)->ih_version == ITEM_VERSION_1 \ - ? (ih)->ih_key.u.v1.k_offset \ - : (ih)->ih_key.u.v2.k_offset) - -#define IH_KEY_ISTYPE(ih, type) ((ih)->ih_version == ITEM_VERSION_1 \ - ? (ih)->ih_key.u.v1.k_uniqueness == V1_##type \ - : (ih)->ih_key.u.v2.k_type == V2_##type) - -/* FIXME these types look wrong. */ -struct disk_child -{ - unsigned long dc_block_number; /* Disk child's block number. */ - unsigned short dc_size; /* Disk child's used space. */ -}; - -#define DC_SIZE (sizeof (struct disk_child)) - -/* Stat Data on disk. - * - * Note that reiserfs has two different forms of stat data. Luckily - * the fields needed by grub are at the same position. - */ -struct stat_data -{ - __u16 sd_mode; /* file type, permissions */ - __u16 sd_notused1[3]; /* fields not needed by reiserfs */ - __u32 sd_size; /* file size */ - __u32 sd_size_hi; /* file size high 32 bits (since version 2) */ -}; - -struct reiserfs_de_head -{ - __u32 deh_offset; /* third component of the directory entry key */ - __u32 deh_dir_id; /* objectid of the parent directory of the - object, that is referenced by directory entry */ - __u32 deh_objectid;/* objectid of the object, that is referenced by - directory entry */ - __u16 deh_location;/* offset of name in the whole item */ - __u16 deh_state; /* whether 1) entry contains stat data (for - future), and 2) whether entry is hidden - (unlinked) */ -}; - -#define DEH_SIZE (sizeof (struct reiserfs_de_head)) - -#define DEH_Statdata (1 << 0) /* not used now */ -#define DEH_Visible (1 << 2) - -#define SD_OFFSET 0 -#define SD_UNIQUENESS 0 -#define DOT_OFFSET 1 -#define DOT_DOT_OFFSET 2 -#define DIRENTRY_UNIQUENESS 500 - -#define V1_TYPE_STAT_DATA 0x0 -#define V1_TYPE_DIRECT 0xffffffff -#define V1_TYPE_INDIRECT 0xfffffffe -#define V1_TYPE_DIRECTORY_MAX 0xfffffffd -#define V2_TYPE_STAT_DATA 0 -#define V2_TYPE_INDIRECT 1 -#define V2_TYPE_DIRECT 2 -#define V2_TYPE_DIRENTRY 3 - -#define REISERFS_ROOT_OBJECTID 2 -#define REISERFS_ROOT_PARENT_OBJECTID 1 -#define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024) -/* the spot for the super in versions 3.5 - 3.5.11 (inclusive) */ -#define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024) -#define REISERFS_OLD_BLOCKSIZE 4096 - -#define S_ISREG(mode) (((mode) & 0170000) == 0100000) -#define S_ISDIR(mode) (((mode) & 0170000) == 0040000) -#define S_ISLNK(mode) (((mode) & 0170000) == 0120000) - -#define PATH_MAX 1024 /* include/linux/limits.h */ -#define MAX_LINK_COUNT 5 /* number of symbolic links to follow */ - -/* The size of the node cache */ -#define FSYSREISER_CACHE_SIZE 24*1024 -#define FSYSREISER_MIN_BLOCKSIZE SECTOR_SIZE -#define FSYSREISER_MAX_BLOCKSIZE FSYSREISER_CACHE_SIZE / 3 - -/* Info about currently opened file */ -struct fsys_reiser_fileinfo -{ - __u32 k_dir_id; - __u32 k_objectid; -}; - -/* In memory info about the currently mounted filesystem */ -struct fsys_reiser_info -{ - /* The last read item head */ - struct item_head *current_ih; - /* The last read item */ - char *current_item; - /* The information for the currently opened file */ - struct fsys_reiser_fileinfo fileinfo; - /* The start of the journal */ - __u32 journal_block; - /* The size of the journal */ - __u32 journal_block_count; - /* The first valid descriptor block in journal - (relative to journal_block) */ - __u32 journal_first_desc; - - /* The ReiserFS version. */ - __u16 version; - /* The current depth of the reiser tree. */ - __u16 tree_depth; - /* SECTOR_SIZE << blocksize_shift == blocksize. */ - __u8 blocksize_shift; - /* 1 << full_blocksize_shift == blocksize. */ - __u8 fullblocksize_shift; - /* The reiserfs block size (must be a power of 2) */ - __u16 blocksize; - /* The number of cached tree nodes */ - __u16 cached_slots; - /* The number of valid transactions in journal */ - __u16 journal_transactions; - - unsigned int blocks[MAX_HEIGHT]; - unsigned int next_key_nr[MAX_HEIGHT]; -}; - -/* The cached s+tree blocks in FSYS_BUF, see below - * for a more detailed description. - */ -#define ROOT ((char *)FSYS_BUF) -#define CACHE(i) (ROOT + ((i) << INFO->fullblocksize_shift)) -#define LEAF CACHE (DISK_LEAF_NODE_LEVEL) - -#define BLOCKHEAD(cache) ((struct block_head *) cache) -#define ITEMHEAD ((struct item_head *) ((char *) LEAF + BLKH_SIZE)) -#define KEY(cache) ((struct key *) ((char *) cache + BLKH_SIZE)) -#define DC(cache) ((struct disk_child *) \ - ((char *) cache + BLKH_SIZE + KEY_SIZE * nr_item)) -/* The fsys_reiser_info block. - */ -#define INFO \ - ((struct fsys_reiser_info *) ((char *) FSYS_BUF + FSYSREISER_CACHE_SIZE)) -/* - * The journal cache. For each transaction it contains the number of - * blocks followed by the real block numbers of this transaction. - * - * If the block numbers of some transaction won't fit in this space, - * this list is stopped with a 0xffffffff marker and the remaining - * uncommitted transactions aren't cached. - */ -#define JOURNAL_START ((__u32 *) (INFO + 1)) -#define JOURNAL_END ((__u32 *) (FSYS_BUF + FSYS_BUFLEN)) - -static __inline__ int -is_power_of_two (unsigned long word) -{ - return (word & -word) == word; -} - -static int -journal_read (int block, int len, char *buffer) -{ - return devread ((INFO->journal_block + block) << INFO->blocksize_shift, - 0, len, buffer); -} - -/* Read a block from ReiserFS file system, taking the journal into - * account. If the block nr is in the journal, the block from the - * journal taken. - */ -static int -block_read (int blockNr, int start, int len, char *buffer) -{ - int transactions = INFO->journal_transactions; - int desc_block = INFO->journal_first_desc; - int journal_mask = INFO->journal_block_count - 1; - int translatedNr = blockNr; - __u32 *journal_table = JOURNAL_START; - while (transactions-- > 0) - { - int i = 0; - int j_len; - if (*journal_table != 0xffffffff) - { - /* Search for the blockNr in cached journal */ - j_len = *journal_table++; - while (i++ < j_len) - { - if (*journal_table++ == blockNr) - { - journal_table += j_len - i; - goto found; - } - } - } - else - { - /* This is the end of cached journal marker. The remaining - * transactions are still on disk. - */ - struct reiserfs_journal_desc desc; - struct reiserfs_journal_commit commit; - - if (! journal_read (desc_block, sizeof (desc), (char *) &desc)) - return 0; - - j_len = desc.j_len; - while (i < j_len && i < JOURNAL_TRANS_HALF) - if (desc.j_realblock[i++] == blockNr) - goto found; - - if (j_len >= JOURNAL_TRANS_HALF) - { - int commit_block = (desc_block + 1 + j_len) & journal_mask; - if (! journal_read (commit_block, - sizeof (commit), (char *) &commit)) - return 0; - while (i < j_len) - if (commit.j_realblock[i++ - JOURNAL_TRANS_HALF] == blockNr) - goto found; - } - } - goto not_found; - - found: - translatedNr = INFO->journal_block + ((desc_block + i) & journal_mask); -#ifdef REISERDEBUG - printf ("block_read: block %d is mapped to journal block %d.\n", - blockNr, translatedNr - INFO->journal_block); -#endif - /* We must continue the search, as this block may be overwritten - * in later transactions. - */ - not_found: - desc_block = (desc_block + 2 + j_len) & journal_mask; - } - return devread (translatedNr << INFO->blocksize_shift, start, len, buffer); -} - -/* Init the journal data structure. We try to cache as much as - * possible in the JOURNAL_START-JOURNAL_END space, but if it is full - * we can still read the rest from the disk on demand. - * - * The first number of valid transactions and the descriptor block of the - * first valid transaction are held in INFO. The transactions are all - * adjacent, but we must take care of the journal wrap around. - */ -static int -journal_init (void) -{ - unsigned int block_count = INFO->journal_block_count; - unsigned int desc_block; - unsigned int commit_block; - unsigned int next_trans_id; - struct reiserfs_journal_header header; - struct reiserfs_journal_desc desc; - struct reiserfs_journal_commit commit; - __u32 *journal_table = JOURNAL_START; - - journal_read (block_count, sizeof (header), (char *) &header); - desc_block = header.j_first_unflushed_offset; - if (desc_block >= block_count) - return 0; - - INFO->journal_first_desc = desc_block; - next_trans_id = header.j_last_flush_trans_id + 1; - -#ifdef REISERDEBUG - printf ("journal_init: last flushed %d\n", - header.j_last_flush_trans_id); -#endif - - while (1) - { - journal_read (desc_block, sizeof (desc), (char *) &desc); - if (substring (JOURNAL_DESC_MAGIC, desc.j_magic) > 0 - || desc.j_trans_id != next_trans_id - || desc.j_mount_id != header.j_mount_id) - /* no more valid transactions */ - break; - - commit_block = (desc_block + desc.j_len + 1) & (block_count - 1); - journal_read (commit_block, sizeof (commit), (char *) &commit); - if (desc.j_trans_id != commit.j_trans_id - || desc.j_len != commit.j_len) - /* no more valid transactions */ - break; - -#ifdef REISERDEBUG - printf ("Found valid transaction %d/%d at %d.\n", - desc.j_trans_id, desc.j_mount_id, desc_block); -#endif - - next_trans_id++; - if (journal_table < JOURNAL_END) - { - if ((journal_table + 1 + desc.j_len) >= JOURNAL_END) - { - /* The table is almost full; mark the end of the cached - * journal.*/ - *journal_table = 0xffffffff; - journal_table = JOURNAL_END; - } - else - { - int i; - /* Cache the length and the realblock numbers in the table. - * The block number of descriptor can easily be computed. - * and need not to be stored here. - */ - *journal_table++ = desc.j_len; - for (i = 0; i < desc.j_len && i < JOURNAL_TRANS_HALF; i++) - { - *journal_table++ = desc.j_realblock[i]; -#ifdef REISERDEBUG - printf ("block %d is in journal %d.\n", - desc.j_realblock[i], desc_block); -#endif - } - for ( ; i < desc.j_len; i++) - { - *journal_table++ = commit.j_realblock[i-JOURNAL_TRANS_HALF]; -#ifdef REISERDEBUG - printf ("block %d is in journal %d.\n", - commit.j_realblock[i-JOURNAL_TRANS_HALF], - desc_block); -#endif - } - } - } - desc_block = (commit_block + 1) & (block_count - 1); - } -#ifdef REISERDEBUG - printf ("Transaction %d/%d at %d isn't valid.\n", - desc.j_trans_id, desc.j_mount_id, desc_block); -#endif - - INFO->journal_transactions - = next_trans_id - header.j_last_flush_trans_id - 1; - return errnum == 0; -} - -/* check filesystem types and read superblock into memory buffer */ -int -reiserfs_mount (void) -{ - struct reiserfs_super_block super; - int superblock = REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS; - - if (part_length < superblock + (sizeof (super) >> SECTOR_BITS) - || ! devread (superblock, 0, sizeof (struct reiserfs_super_block), - (char *) &super) - || (substring (REISER2FS_SUPER_MAGIC_STRING, super.s_magic) > 0 - && substring (REISERFS_SUPER_MAGIC_STRING, super.s_magic) > 0) - || (/* check that this is not a copy inside the journal log */ - super.s_journal_block * super.s_blocksize - <= REISERFS_DISK_OFFSET_IN_BYTES)) - { - /* Try old super block position */ - superblock = REISERFS_OLD_DISK_OFFSET_IN_BYTES >> SECTOR_BITS; - if (part_length < superblock + (sizeof (super) >> SECTOR_BITS) - || ! devread (superblock, 0, sizeof (struct reiserfs_super_block), - (char *) &super)) - return 0; - - if (substring (REISER2FS_SUPER_MAGIC_STRING, super.s_magic) > 0 - && substring (REISERFS_SUPER_MAGIC_STRING, super.s_magic) > 0) - { - /* pre journaling super block ? */ - if (substring (REISERFS_SUPER_MAGIC_STRING, - (char*) ((char *) &super + 20)) > 0) - return 0; - - super.s_blocksize = REISERFS_OLD_BLOCKSIZE; - super.s_journal_block = 0; - super.s_version = 0; - } - } - - /* check the version number. */ - if (super.s_version > REISERFS_MAX_SUPPORTED_VERSION) - return 0; - - INFO->version = super.s_version; - INFO->blocksize = super.s_blocksize; - INFO->fullblocksize_shift = log2 (super.s_blocksize); - INFO->blocksize_shift = INFO->fullblocksize_shift - SECTOR_BITS; - INFO->cached_slots = - (FSYSREISER_CACHE_SIZE >> INFO->fullblocksize_shift) - 1; - -#ifdef REISERDEBUG - printf ("reiserfs_mount: version=%d, blocksize=%d\n", - INFO->version, INFO->blocksize); -#endif /* REISERDEBUG */ - - /* Clear node cache. */ - memset (INFO->blocks, 0, sizeof (INFO->blocks)); - - if (super.s_blocksize < FSYSREISER_MIN_BLOCKSIZE - || super.s_blocksize > FSYSREISER_MAX_BLOCKSIZE - || (SECTOR_SIZE << INFO->blocksize_shift) != super.s_blocksize) - return 0; - - /* Initialize journal code. If something fails we end with zero - * journal_transactions, so we don't access the journal at all. - */ - INFO->journal_transactions = 0; - if (super.s_journal_block != 0 && super.s_journal_dev == 0) - { - INFO->journal_block = super.s_journal_block; - INFO->journal_block_count = super.s_journal_size; - if (is_power_of_two (INFO->journal_block_count)) - journal_init (); - - /* Read in super block again, maybe it is in the journal */ - block_read (superblock >> INFO->blocksize_shift, - 0, sizeof (struct reiserfs_super_block), (char *) &super); - } - - if (! block_read (super.s_root_block, 0, INFO->blocksize, (char*) ROOT)) - return 0; - - INFO->tree_depth = BLOCKHEAD (ROOT)->blk_level; - -#ifdef REISERDEBUG - printf ("root read_in: block=%d, depth=%d\n", - super.s_root_block, INFO->tree_depth); -#endif /* REISERDEBUG */ - - if (INFO->tree_depth >= MAX_HEIGHT) - return 0; - if (INFO->tree_depth == DISK_LEAF_NODE_LEVEL) - { - /* There is only one node in the whole filesystem, - * which is simultanously leaf and root */ - memcpy (LEAF, ROOT, INFO->blocksize); - } - return 1; -} - -/***************** TREE ACCESSING METHODS *****************************/ - -/* I assume you are familiar with the ReiserFS tree, if not go to - * http://www.namesys.com/content_table.html - * - * My tree node cache is organized as following - * 0 ROOT node - * 1 LEAF node (if the ROOT is also a LEAF it is copied here - * 2-n other nodes on current path from bottom to top. - * if there is not enough space in the cache, the top most are - * omitted. - * - * I have only two methods to find a key in the tree: - * search_stat(dir_id, objectid) searches for the stat entry (always - * the first entry) of an object. - * next_key() gets the next key in tree order. - * - * This means, that I can only sequential reads of files are - * efficient, but this really doesn't hurt for grub. - */ - -/* Read in the node at the current path and depth into the node cache. - * You must set INFO->blocks[depth] before. - */ -static char * -read_tree_node (unsigned int blockNr, int depth) -{ - char* cache = CACHE(depth); - int num_cached = INFO->cached_slots; - if (depth < num_cached) - { - /* This is the cached part of the path. Check if same block is - * needed. - */ - if (blockNr == INFO->blocks[depth]) - return cache; - } - else - cache = CACHE(num_cached); - -#ifdef REISERDEBUG - printf (" next read_in: block=%d (depth=%d)\n", - blockNr, depth); -#endif /* REISERDEBUG */ - if (! block_read (blockNr, 0, INFO->blocksize, cache)) - return NULL; - /* Make sure it has the right node level */ - if (BLOCKHEAD (cache)->blk_level != depth) - { - errnum = ERR_FSYS_CORRUPT; - return NULL; - } - - INFO->blocks[depth] = blockNr; - return cache; -} - -/* Get the next key, i.e. the key following the last retrieved key in - * tree order. INFO->current_ih and - * INFO->current_info are adapted accordingly. */ -static int -next_key (void) -{ - int depth; - struct item_head *ih = INFO->current_ih + 1; - char *cache; - -#ifdef REISERDEBUG - printf ("next_key:\n old ih: key %d:%d:%d:%d version:%d\n", - INFO->current_ih->ih_key.k_dir_id, - INFO->current_ih->ih_key.k_objectid, - INFO->current_ih->ih_key.u.v1.k_offset, - INFO->current_ih->ih_key.u.v1.k_uniqueness, - INFO->current_ih->ih_version); -#endif /* REISERDEBUG */ - - if (ih == &ITEMHEAD[BLOCKHEAD (LEAF)->blk_nr_item]) - { - depth = DISK_LEAF_NODE_LEVEL; - /* The last item, was the last in the leaf node. - * Read in the next block - */ - do - { - if (depth == INFO->tree_depth) - { - /* There are no more keys at all. - * Return a dummy item with MAX_KEY */ - ih = (struct item_head *) &BLOCKHEAD (LEAF)->blk_right_delim_key; - goto found; - } - depth++; -#ifdef REISERDEBUG - printf (" depth=%d, i=%d\n", depth, INFO->next_key_nr[depth]); -#endif /* REISERDEBUG */ - } - while (INFO->next_key_nr[depth] == 0); - - if (depth == INFO->tree_depth) - cache = ROOT; - else if (depth <= INFO->cached_slots) - cache = CACHE (depth); - else - { - cache = read_tree_node (INFO->blocks[depth], depth); - if (! cache) - return 0; - } - - do - { - int nr_item = BLOCKHEAD (cache)->blk_nr_item; - int key_nr = INFO->next_key_nr[depth]++; -#ifdef REISERDEBUG - printf (" depth=%d, i=%d/%d\n", depth, key_nr, nr_item); -#endif /* REISERDEBUG */ - if (key_nr == nr_item) - /* This is the last item in this block, set the next_key_nr to 0 */ - INFO->next_key_nr[depth] = 0; - - cache = read_tree_node (DC (cache)[key_nr].dc_block_number, --depth); - if (! cache) - return 0; - } - while (depth > DISK_LEAF_NODE_LEVEL); - - ih = ITEMHEAD; - } - found: - INFO->current_ih = ih; - INFO->current_item = &LEAF[ih->ih_item_location]; -#ifdef REISERDEBUG - printf (" new ih: key %d:%d:%d:%d version:%d\n", - INFO->current_ih->ih_key.k_dir_id, - INFO->current_ih->ih_key.k_objectid, - INFO->current_ih->ih_key.u.v1.k_offset, - INFO->current_ih->ih_key.u.v1.k_uniqueness, - INFO->current_ih->ih_version); -#endif /* REISERDEBUG */ - return 1; -} - -/* preconditions: reiserfs_mount already executed, therefore - * INFO block is valid - * returns: 0 if error (errnum is set), - * nonzero iff we were able to find the key successfully. - * postconditions: on a nonzero return, the current_ih and - * current_item fields describe the key that equals the - * searched key. INFO->next_key contains the next key after - * the searched key. - * side effects: messes around with the cache. - */ -static int -search_stat (__u32 dir_id, __u32 objectid) -{ - char *cache; - int depth; - int nr_item; - int i; - struct item_head *ih; -#ifdef REISERDEBUG - printf ("search_stat:\n key %d:%d:0:0\n", dir_id, objectid); -#endif /* REISERDEBUG */ - - depth = INFO->tree_depth; - cache = ROOT; - - while (depth > DISK_LEAF_NODE_LEVEL) - { - struct key *key; - nr_item = BLOCKHEAD (cache)->blk_nr_item; - - key = KEY (cache); - - for (i = 0; i < nr_item; i++) - { - if (key->k_dir_id > dir_id - || (key->k_dir_id == dir_id - && (key->k_objectid > objectid - || (key->k_objectid == objectid - && (key->u.v1.k_offset - | key->u.v1.k_uniqueness) > 0)))) - break; - key++; - } - -#ifdef REISERDEBUG - printf (" depth=%d, i=%d/%d\n", depth, i, nr_item); -#endif /* REISERDEBUG */ - INFO->next_key_nr[depth] = (i == nr_item) ? 0 : i+1; - cache = read_tree_node (DC (cache)[i].dc_block_number, --depth); - if (! cache) - return 0; - } - - /* cache == LEAF */ - nr_item = BLOCKHEAD (LEAF)->blk_nr_item; - ih = ITEMHEAD; - for (i = 0; i < nr_item; i++) - { - if (ih->ih_key.k_dir_id == dir_id - && ih->ih_key.k_objectid == objectid - && ih->ih_key.u.v1.k_offset == 0 - && ih->ih_key.u.v1.k_uniqueness == 0) - { -#ifdef REISERDEBUG - printf (" depth=%d, i=%d/%d\n", depth, i, nr_item); -#endif /* REISERDEBUG */ - INFO->current_ih = ih; - INFO->current_item = &LEAF[ih->ih_item_location]; - return 1; - } - ih++; - } - errnum = ERR_FSYS_CORRUPT; - return 0; -} - -int -reiserfs_read (char *buf, int len) -{ - unsigned int blocksize; - unsigned int offset; - unsigned int to_read; - char *prev_buf = buf; - -#ifdef REISERDEBUG - printf ("reiserfs_read: filepos=%d len=%d, offset=%x:%x\n", - filepos, len, (__u64) IH_KEY_OFFSET (INFO->current_ih) - 1); -#endif /* REISERDEBUG */ - - if (INFO->current_ih->ih_key.k_objectid != INFO->fileinfo.k_objectid - || IH_KEY_OFFSET (INFO->current_ih) > filepos + 1) - { - search_stat (INFO->fileinfo.k_dir_id, INFO->fileinfo.k_objectid); - goto get_next_key; - } - - while (! errnum) - { - if (INFO->current_ih->ih_key.k_objectid != INFO->fileinfo.k_objectid) - break; - - offset = filepos - IH_KEY_OFFSET (INFO->current_ih) + 1; - blocksize = INFO->current_ih->ih_item_len; - -#ifdef REISERDEBUG - printf (" loop: filepos=%d len=%d, offset=%d blocksize=%d\n", - filepos, len, offset, blocksize); -#endif /* REISERDEBUG */ - - if (IH_KEY_ISTYPE(INFO->current_ih, TYPE_DIRECT) - && offset < blocksize) - { -#ifdef REISERDEBUG - printf ("direct_read: offset=%d, blocksize=%d\n", - offset, blocksize); -#endif /* REISERDEBUG */ - to_read = blocksize - offset; - if (to_read > len) - to_read = len; - - if (disk_read_hook != NULL) - { - disk_read_func = disk_read_hook; - - block_read (INFO->blocks[DISK_LEAF_NODE_LEVEL], - (INFO->current_item - LEAF + offset), to_read, buf); - - disk_read_func = NULL; - } - else - memcpy (buf, INFO->current_item + offset, to_read); - goto update_buf_len; - } - else if (IH_KEY_ISTYPE(INFO->current_ih, TYPE_INDIRECT)) - { - blocksize = (blocksize >> 2) << INFO->fullblocksize_shift; -#ifdef REISERDEBUG - printf ("indirect_read: offset=%d, blocksize=%d\n", - offset, blocksize); -#endif /* REISERDEBUG */ - - while (offset < blocksize) - { - __u32 blocknr = ((__u32 *) INFO->current_item) - [offset >> INFO->fullblocksize_shift]; - int blk_offset = offset & (INFO->blocksize-1); - - to_read = INFO->blocksize - blk_offset; - if (to_read > len) - to_read = len; - - disk_read_func = disk_read_hook; - - /* Journal is only for meta data. Data blocks can be read - * directly without using block_read - */ - devread (blocknr << INFO->blocksize_shift, - blk_offset, to_read, buf); - - disk_read_func = NULL; - update_buf_len: - len -= to_read; - buf += to_read; - offset += to_read; - filepos += to_read; - if (len == 0) - goto done; - } - } - get_next_key: - next_key (); - } - done: - return errnum ? 0 : buf - prev_buf; -} - - -/* preconditions: reiserfs_mount already executed, therefore - * INFO block is valid - * returns: 0 if error, nonzero iff we were able to find the file successfully - * postconditions: on a nonzero return, INFO->fileinfo contains the info - * of the file we were trying to look up, filepos is 0 and filemax is - * the size of the file. - */ -int -reiserfs_dir (char *dirname) -{ - struct reiserfs_de_head *de_head; - char *rest, ch; - __u32 dir_id, objectid, parent_dir_id = 0, parent_objectid = 0; -#ifndef STAGE1_5 - int do_possibilities = 0; -#endif /* ! STAGE1_5 */ - char linkbuf[PATH_MAX]; /* buffer for following symbolic links */ - int link_count = 0; - int mode; - - dir_id = REISERFS_ROOT_PARENT_OBJECTID; - objectid = REISERFS_ROOT_OBJECTID; - - while (1) - { -#ifdef REISERDEBUG - printf ("dirname=%s\n", dirname); -#endif /* REISERDEBUG */ - - /* Search for the stat info first. */ - if (! search_stat (dir_id, objectid)) - return 0; - -#ifdef REISERDEBUG - printf ("sd_mode=%x sd_size=%d\n", - ((struct stat_data *) INFO->current_item)->sd_mode, - ((struct stat_data *) INFO->current_item)->sd_size); -#endif /* REISERDEBUG */ - - mode = ((struct stat_data *) INFO->current_item)->sd_mode; - - /* If we've got a symbolic link, then chase it. */ - if (S_ISLNK (mode)) - { - int len; - if (++link_count > MAX_LINK_COUNT) - { - errnum = ERR_SYMLINK_LOOP; - return 0; - } - - /* Get the symlink size. */ - filemax = ((struct stat_data *) INFO->current_item)->sd_size; - - /* Find out how long our remaining name is. */ - len = 0; - while (dirname[len] && !isspace (dirname[len])) - len++; - - if (filemax + len > sizeof (linkbuf) - 1) - { - errnum = ERR_FILELENGTH; - return 0; - } - - /* Copy the remaining name to the end of the symlink data. - Note that DIRNAME and LINKBUF may overlap! */ - grub_memmove (linkbuf + filemax, dirname, len+1); - - INFO->fileinfo.k_dir_id = dir_id; - INFO->fileinfo.k_objectid = objectid; - filepos = 0; - if (! next_key () - || reiserfs_read (linkbuf, filemax) != filemax) - { - if (! errnum) - errnum = ERR_FSYS_CORRUPT; - return 0; - } - -#ifdef REISERDEBUG - printf ("symlink=%s\n", linkbuf); -#endif /* REISERDEBUG */ - - dirname = linkbuf; - if (*dirname == '/') - { - /* It's an absolute link, so look it up in root. */ - dir_id = REISERFS_ROOT_PARENT_OBJECTID; - objectid = REISERFS_ROOT_OBJECTID; - } - else - { - /* Relative, so look it up in our parent directory. */ - dir_id = parent_dir_id; - objectid = parent_objectid; - } - - /* Now lookup the new name. */ - continue; - } - - /* if we have a real file (and we're not just printing possibilities), - then this is where we want to exit */ - - if (! *dirname || isspace (*dirname)) - { - if (! S_ISREG (mode)) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - filepos = 0; - filemax = ((struct stat_data *) INFO->current_item)->sd_size; - - /* If this is a new stat data and size is > 4GB set filemax to - * maximum - */ - if (INFO->current_ih->ih_version == ITEM_VERSION_2 - && ((struct stat_data *) INFO->current_item)->sd_size_hi > 0) - filemax = 0xffffffff; - - INFO->fileinfo.k_dir_id = dir_id; - INFO->fileinfo.k_objectid = objectid; - return next_key (); - } - - /* continue with the file/directory name interpretation */ - while (*dirname == '/') - dirname++; - if (! S_ISDIR (mode)) - { - errnum = ERR_BAD_FILETYPE; - return 0; - } - for (rest = dirname; (ch = *rest) && ! isspace (ch) && ch != '/'; rest++); - *rest = 0; - -# ifndef STAGE1_5 - if (print_possibilities && ch != '/') - do_possibilities = 1; -# endif /* ! STAGE1_5 */ - - while (1) - { - char *name_end; - int num_entries; - - if (! next_key ()) - return 0; -#ifdef REISERDEBUG - printf ("ih: key %d:%d:%d:%d version:%d\n", - INFO->current_ih->ih_key.k_dir_id, - INFO->current_ih->ih_key.k_objectid, - INFO->current_ih->ih_key.u.v1.k_offset, - INFO->current_ih->ih_key.u.v1.k_uniqueness, - INFO->current_ih->ih_version); -#endif /* REISERDEBUG */ - - if (INFO->current_ih->ih_key.k_objectid != objectid) - break; - - name_end = INFO->current_item + INFO->current_ih->ih_item_len; - de_head = (struct reiserfs_de_head *) INFO->current_item; - num_entries = INFO->current_ih->u.ih_entry_count; - while (num_entries > 0) - { - char *filename = INFO->current_item + de_head->deh_location; - char tmp = *name_end; - if ((de_head->deh_state & DEH_Visible)) - { - int cmp; - /* Directory names in ReiserFS are not null - * terminated. We write a temporary 0 behind it. - * NOTE: that this may overwrite the first block in - * the tree cache. That doesn't hurt as long as we - * don't call next_key () in between. - */ - *name_end = 0; - cmp = substring (dirname, filename); - *name_end = tmp; -# ifndef STAGE1_5 - if (do_possibilities) - { - if (cmp <= 0) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - *name_end = 0; - print_a_completion (filename); - *name_end = tmp; - } - } - else -# endif /* ! STAGE1_5 */ - if (cmp == 0) - goto found; - } - /* The beginning of this name marks the end of the next name. - */ - name_end = filename; - de_head++; - num_entries--; - } - } - -# ifndef STAGE1_5 - if (print_possibilities < 0) - return 1; -# endif /* ! STAGE1_5 */ - - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - return 0; - - found: - - *rest = ch; - dirname = rest; - - parent_dir_id = dir_id; - parent_objectid = objectid; - dir_id = de_head->deh_dir_id; - objectid = de_head->deh_objectid; - } -} - -int -reiserfs_embed (int *start_sector, int needed_sectors) -{ - struct reiserfs_super_block super; - int num_sectors; - - if (! devread (REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS, 0, - sizeof (struct reiserfs_super_block), (char *) &super)) - return 0; - - *start_sector = 1; /* reserve first sector for stage1 */ - if ((substring (REISERFS_SUPER_MAGIC_STRING, super.s_magic) <= 0 - || substring (REISER2FS_SUPER_MAGIC_STRING, super.s_magic) <= 0) - && (/* check that this is not a super block copy inside - * the journal log */ - super.s_journal_block * super.s_blocksize - > REISERFS_DISK_OFFSET_IN_BYTES)) - num_sectors = (REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS) - 1; - else - num_sectors = (REISERFS_OLD_DISK_OFFSET_IN_BYTES >> SECTOR_BITS) - 1; - - return (needed_sectors <= num_sectors); -} -#endif /* FSYS_REISERFS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_ufs.c b/qemu/roms/openbios/fs/grubfs/fsys_ufs.c deleted file mode 100644 index 8e0a0f776..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_ufs.c +++ /dev/null @@ -1,391 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (c) 2000, 2001 Free Software Foundation, Inc. - * Copyright (c) 2005 Rink Springer - * - * This file is based on FreeBSD 5.4-RELEASE's /sys/boot/common/ufsread.c, - * and has some minor patches so it'll work with Cromwell/GRUB. - * - */ -/*- - * Copyright (c) 2002 McAfee, Inc. - * All rights reserved. - * - * This software was developed for the FreeBSD Project by Marshall - * Kirk McKusick and McAfee Research,, the Security Research Division of - * McAfee, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as - * part of the DARPA CHATS research program - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -/*- - * Copyright (c) 1998 Robert Nordier - * All rights reserved. - * - * Redistribution and use in source and binary forms are freely - * permitted provided that the above copyright notice and this - * paragraph and the following disclaimer are duplicated in all - * such forms. - * - * This software is provided "AS IS" and without any express or - * implied warranties, including, without limitation, the implied - * warranties of merchantability and fitness for a particular - * purpose. - */ -#ifdef FSYS_UFS - -#include "asm/types.h" - -#include "shared.h" -#include "filesys.h" - -#include "ufs_dinode.h" -#include "ufs_fs.h" - -#ifdef __i386__ -/* XXX: Revert to old (broken for over 1.5Tb filesystems) version of cgbase - (see sys/ufs/ffs/fs.h rev 1.39) so that i386 boot loader (boot2) can - support both UFS1 and UFS2 again. */ -#undef cgbase -#define cgbase(fs, c) ((ufs2_daddr_t)((fs)->fs_fpg * (c))) -#endif - -/* - * We use 4k `virtual' blocks for filesystem data, whatever the actual - * filesystem block size. FFS blocks are always a multiple of 4k. - */ -#define VBLKSHIFT 12 -#define VBLKSIZE (1 << VBLKSHIFT) -#define VBLKMASK (VBLKSIZE - 1) -#define DBPERVBLK (VBLKSIZE / DEV_BSIZE) -#define INDIRPERVBLK(fs) (NINDIR(fs) / ((fs)->fs_bsize >> VBLKSHIFT)) -#define IPERVBLK(fs) (INOPB(fs) / ((fs)->fs_bsize >> VBLKSHIFT)) -#define INO_TO_VBA(fs, ipervblk, x) \ - (fsbtodb(fs, cgimin(fs, ino_to_cg(fs, x))) + \ - (((x) % (fs)->fs_ipg) / (ipervblk) * DBPERVBLK)) -#define INO_TO_VBO(ipervblk, x) ((x) % ipervblk) -#define FS_TO_VBA(fs, fsb, off) (fsbtodb(fs, fsb) + \ - ((off) / VBLKSIZE) * DBPERVBLK) -#define FS_TO_VBO(fs, fsb, off) ((off) & VBLKMASK) - -/* Buffers that must not span a 64k boundary. */ -struct dmadat { - char blkbuf[VBLKSIZE]; /* filesystem blocks */ - char indbuf[VBLKSIZE]; /* indir blocks */ - char sbbuf[SBLOCKSIZE]; /* superblock */ - char secbuf[DEV_BSIZE]; /* for MBR/disklabel */ -}; -static struct dmadat *dmadat = (struct dmadat*)FSYS_BUF; - -#define SUPERBLOCK ((struct fs*)dmadat->sbbuf) - -ino_t lookup(const char *); -ssize_t fsread(ino_t, void *, size_t); - -static int dsk_meta; -static uint32_t fs_off; -static ino_t cur_ino = 0; - -static inline int -dskread (void* buf, unsigned lba, unsigned nblk) -{ - return !devread (lba, 0, nblk * DEV_BSIZE, buf) ? -1 : 0; -} - -#if defined(UFS2_ONLY) -#define DIP(field) dp2.field -#elif defined(UFS1_ONLY) -#define DIP(field) dp1.field -#else -#define DIP(field) fs->fs_magic == FS_UFS1_MAGIC ? dp1.field : dp2.field -#endif - -static __inline int -fsfind(const char *name, ino_t * ino) -{ - char buf[DEV_BSIZE]; - struct ufs_dirent *d; - char *s; - ssize_t n; -#ifndef UFS2_ONLY - static struct ufs1_dinode dp1; -#endif -#ifndef UFS1_ONLY - static struct ufs2_dinode dp2; -#endif - char* blkbuf = dmadat->blkbuf; - struct fs* fs = (struct fs *)dmadat->sbbuf; - - fs_off = 0; - while ((n = fsread(*ino, buf, DEV_BSIZE)) > 0) - for (s = buf; s < buf + DEV_BSIZE;) { - d = (void *)s; - if (!strcmp(name, d->d_name)) { - *ino = d->d_fileno; - - /* below is for grub, which wants the file size - */ - n = IPERVBLK(fs); - if (dskread(blkbuf, INO_TO_VBA(fs, n, (*ino)), DBPERVBLK)) - return -1; - n = INO_TO_VBO(n, (*ino)); -#if defined(UFS1_ONLY) - dp1 = ((struct ufs1_dinode *)blkbuf)[n]; -#elif defined(UFS2_ONLY) - dp2 = ((struct ufs2_dinode *)blkbuf)[n]; -#else - if (fs->fs_magic == FS_UFS1_MAGIC) - dp1 = ((struct ufs1_dinode *)blkbuf)[n]; - else - dp2 = ((struct ufs2_dinode *)blkbuf)[n]; -#endif - - filemax = DIP(di_size); - return d->d_type; - } - s += d->d_reclen; - } - return 0; -} - -ino_t -lookup(const char *path) -{ - char name[MAXNAMLEN + 1]; - const char *s; - ino_t ino; - ssize_t n; - int dt; - - ino = ROOTINO; - dt = DT_DIR; - name[0] = '/'; - name[1] = '\0'; - for (;;) { - if (*path == '/') - path++; - if (!*path) - break; - for (s = path; *s && *s != '/'; s++); - if ((n = s - path) > MAXNAMLEN) - return 0; - memcpy(name, path, n); - name[n] = 0; - if (dt != DT_DIR) { - printk("%s: not a directory.\n", name); - return (0); - } - if ((dt = fsfind(name, &ino)) <= 0) - break; - path = s; - } - return dt == DT_REG ? ino : 0; -} - -/* - * Possible superblock locations ordered from most to least likely. - */ -static const int sblock_try[] = SBLOCKSEARCH; - -ssize_t -fsread(ino_t inode, void *buf, size_t nbyte) -{ -#ifndef UFS2_ONLY - static struct ufs1_dinode dp1; -#endif -#ifndef UFS1_ONLY - static struct ufs2_dinode dp2; -#endif - static ino_t inomap; - char *blkbuf; - void *indbuf; - struct fs *fs; - char *s; - size_t n, nb, size, off, vboff; - ufs_lbn_t lbn; - ufs2_daddr_t addr, vbaddr; - static ufs2_daddr_t blkmap, indmap; - unsigned int u; - - - blkbuf = dmadat->blkbuf; - indbuf = dmadat->indbuf; - fs = (struct fs *)dmadat->sbbuf; - if (!dsk_meta) { - inomap = 0; - for (n = 0; sblock_try[n] != -1; n++) { - if (dskread(fs, sblock_try[n] / DEV_BSIZE, - SBLOCKSIZE / DEV_BSIZE)) - return -1; - if (( -#if defined(UFS1_ONLY) - fs->fs_magic == FS_UFS1_MAGIC -#elif defined(UFS2_ONLY) - (fs->fs_magic == FS_UFS2_MAGIC && - fs->fs_sblockloc == sblock_try[n]) -#else - fs->fs_magic == FS_UFS1_MAGIC || - (fs->fs_magic == FS_UFS2_MAGIC && - fs->fs_sblockloc == sblock_try[n]) -#endif - ) && - fs->fs_bsize <= MAXBSIZE && - fs->fs_bsize >= sizeof(struct fs)) - break; - } - if (sblock_try[n] == -1) { - printk("Not ufs\n"); - return -1; - } - dsk_meta++; - } - if (!inode) - return 0; - if (inomap != inode) { - n = IPERVBLK(fs); - if (dskread(blkbuf, INO_TO_VBA(fs, n, inode), DBPERVBLK)) - return -1; - n = INO_TO_VBO(n, inode); -#if defined(UFS1_ONLY) - dp1 = ((struct ufs1_dinode *)blkbuf)[n]; -#elif defined(UFS2_ONLY) - dp2 = ((struct ufs2_dinode *)blkbuf)[n]; -#else - if (fs->fs_magic == FS_UFS1_MAGIC) - dp1 = ((struct ufs1_dinode *)blkbuf)[n]; - else - dp2 = ((struct ufs2_dinode *)blkbuf)[n]; -#endif - inomap = inode; - fs_off = 0; - blkmap = indmap = 0; - } - s = buf; - size = DIP(di_size); - n = size - fs_off; - if (nbyte > n) - nbyte = n; - nb = nbyte; - while (nb) { - lbn = lblkno(fs, fs_off); - off = blkoff(fs, fs_off); - if (lbn < NDADDR) { - addr = DIP(di_db[lbn]); - } else if (lbn < NDADDR + NINDIR(fs)) { - n = INDIRPERVBLK(fs); - addr = DIP(di_ib[0]); - u = (unsigned int)(lbn - NDADDR) / (n * DBPERVBLK); - vbaddr = fsbtodb(fs, addr) + u; - if (indmap != vbaddr) { - if (dskread(indbuf, vbaddr, DBPERVBLK)) - return -1; - indmap = vbaddr; - } - n = (lbn - NDADDR) & (n - 1); -#if defined(UFS1_ONLY) - addr = ((ufs1_daddr_t *)indbuf)[n]; -#elif defined(UFS2_ONLY) - addr = ((ufs2_daddr_t *)indbuf)[n]; -#else - if (fs->fs_magic == FS_UFS1_MAGIC) - addr = ((ufs1_daddr_t *)indbuf)[n]; - else - addr = ((ufs2_daddr_t *)indbuf)[n]; -#endif - } else { - return -1; - } - vbaddr = fsbtodb(fs, addr) + (off >> VBLKSHIFT) * DBPERVBLK; - vboff = off & VBLKMASK; - n = sblksize(fs, size, lbn) - (off & ~VBLKMASK); - if (n > VBLKSIZE) - n = VBLKSIZE; - if (blkmap != vbaddr) { - if (dskread(blkbuf, vbaddr, n >> DEV_BSHIFT)) - return -1; - blkmap = vbaddr; - } - n -= vboff; - if (n > nb) - n = nb; - memcpy(s, blkbuf + vboff, n); - s += n; - fs_off += n; - nb -= n; - } - return nbyte; -} - -int -ufs_mount (void) -{ - int i, retval = 0; - - /* - * We don't care about stuff being in disklabels or not. If the magic - * matches, we're good to go. - */ - for (i = 0; sblock_try[i] != -1; ++i) - { - if (! (part_length < (sblock_try[i] + (SBLOCKSIZE / DEV_BSIZE)) - || ! devread (0, sblock_try[i], SBLOCKSIZE, (char *) SUPERBLOCK))) - { - if ( -#if defined(UFS1_ONLY) - SUPERBLOCK->fs_magic == FS_UFS1_MAGIC -#elif defined(UFS2_ONLY) - (SUPERBLOCK->fs_magic == FS_UFS2_MAGIC && - SUPERBLOCK->fs_sblockloc == sblock_try[i]) -#else - SUPERBLOCK->fs_magic == FS_UFS1_MAGIC || - (SUPERBLOCK->fs_magic == FS_UFS2_MAGIC && - SUPERBLOCK->fs_sblockloc == sblock_try[i]) -#endif - ) { - retval = 1; break; - } - } - } - return retval; -} - -int -ufs_read (char *buf, int len) -{ - return fsread(cur_ino, buf, len); -} - -int -ufs_dir (char *dirname) -{ - cur_ino = lookup(dirname); - return cur_ino & 0xffffffff; -} - -int -ufs_embed (int* start_sector, int needed_sectors) -{ - /* TODO; unused by Cromwell */ - return 0; -} - -#endif /* FSYS_UFS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_vstafs.c b/qemu/roms/openbios/fs/grubfs/fsys_vstafs.c deleted file mode 100644 index e06d3e73e..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_vstafs.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifdef FSYS_VSTAFS - -#include "shared.h" -#include "filesys.h" -#include "vstafs.h" - - -static void get_file_info (int sector); -static struct dir_entry *vstafs_readdir (long sector); -static struct dir_entry *vstafs_nextdir (void); - - -#define FIRST_SECTOR ((struct first_sector *) FSYS_BUF) -#define FILE_INFO ((struct fs_file *) (long) FIRST_SECTOR + 8192) -#define DIRECTORY_BUF ((struct dir_entry *) (long) FILE_INFO + 512) - -#define ROOT_SECTOR 1 - -/* - * In f_sector we store the sector number in which the information about - * the found file is. - */ -static int f_sector; - -int -vstafs_mount (void) -{ - int retval = 1; - - if( (((current_drive & 0x80) || (current_slice != 0)) - && current_slice != PC_SLICE_TYPE_VSTAFS) - || ! devread (0, 0, BLOCK_SIZE, (char *) FSYS_BUF) - || FIRST_SECTOR->fs_magic != 0xDEADFACE) - retval = 0; - - return retval; -} - -static void -get_file_info (int sector) -{ - devread (sector, 0, BLOCK_SIZE, (char *) FILE_INFO); -} - -static int curr_ext, current_direntry, current_blockpos; -static struct alloc *a1; - -static struct dir_entry * -vstafs_readdir (long sector) -{ - /* - * Get some information from the current directory - */ - get_file_info (sector); - if (FILE_INFO->type != 2) - { - errnum = ERR_FILE_NOT_FOUND; - return NULL; - } - - a1 = FILE_INFO->blocks; - curr_ext = 0; - devread (a1[curr_ext].a_start, 0, 512, (char *) DIRECTORY_BUF); - current_direntry = 11; - current_blockpos = 0; - - return &DIRECTORY_BUF[10]; -} - -static struct dir_entry * -vstafs_nextdir (void) -{ - if (current_direntry > 15) - { - current_direntry = 0; - if (++current_blockpos > (a1[curr_ext].a_len - 1)) - { - current_blockpos = 0; - curr_ext++; - } - - if (curr_ext < FILE_INFO->extents) - { - devread (a1[curr_ext].a_start + current_blockpos, 0, - 512, (char *) DIRECTORY_BUF); - } - else - { - /* errnum =ERR_FILE_NOT_FOUND; */ - return NULL; - } - } - - return &DIRECTORY_BUF[current_direntry++]; -} - -int -vstafs_dir (char *dirname) -{ - char *fn, ch; - struct dir_entry *d; - /* int l, i, s; */ - - /* - * Read in the entries of the current directory. - */ - f_sector = ROOT_SECTOR; - do - { - if (! (d = vstafs_readdir (f_sector))) - { - return 0; - } - - /* - * Find the file in the path - */ - while (*dirname == '/') dirname++; - fn = dirname; - while ((ch = *fn) && ch != '/' && ! isspace (ch)) fn++; - *fn = 0; - - do - { - if (d->name[0] == 0 || d->name[0] & 0x80) - continue; - -#ifndef STAGE1_5 - if (print_possibilities && ch != '/' - && (! *dirname || strcmp (dirname, d->name) <= 0)) - { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - - printf (" %s", d->name); - } -#endif - if (! grub_strcmp (dirname, d->name)) - { - f_sector = d->start; - get_file_info (f_sector); - filemax = FILE_INFO->len; - break; - } - } - while ((d =vstafs_nextdir ())); - - *(dirname = fn) = ch; - if (! d) - { - if (print_possibilities < 0) - { -#ifndef STAGE1_5 - putchar ('\n'); -#endif - return 1; - } - - errnum = ERR_FILE_NOT_FOUND; - return 0; - } - } - while (*dirname && ! isspace (ch)); - - return 1; -} - -int -vstafs_read (char *addr, int len) -{ - struct alloc *a2; - int size, ret = 0, offset, curr_len = 0; - int curr_ext2; - char extent; - int ext_size; - char *curr_pos; - - get_file_info (f_sector); - size = FILE_INFO->len-VSTAFS_START_DATA; - a2 = FILE_INFO->blocks; - - if (filepos > 0) - { - if (filepos < a2[0].a_len * 512 - VSTAFS_START_DATA) - { - offset = filepos + VSTAFS_START_DATA; - extent = 0; - curr_len = a2[0].a_len * 512 - offset - filepos; - } - else - { - ext_size = a2[0].a_len * 512 - VSTAFS_START_DATA; - offset = filepos - ext_size; - extent = 1; - do - { - curr_len -= ext_size; - offset -= ext_size; - ext_size = a2[extent+1].a_len * 512; - } - while (extent < FILE_INFO->extents && offset>ext_size); - } - } - else - { - offset = VSTAFS_START_DATA; - extent = 0; - curr_len = a2[0].a_len * 512 - offset; - } - - curr_pos = addr; - if (curr_len > len) - curr_len = len; - - for (curr_ext2=extent; - curr_ext2 < FILE_INFO->extents; - curr_len = a2[curr_ext].a_len * 512, curr_pos += curr_len, curr_ext2++) - { - ret += curr_len; - size -= curr_len; - if (size < 0) - { - ret += size; - curr_len += size; - } - - devread (a2[curr_ext2].a_start,offset, curr_len, curr_pos); - offset = 0; - } - - return ret; -} - -#endif /* FSYS_VSTAFS */ diff --git a/qemu/roms/openbios/fs/grubfs/fsys_xfs.c b/qemu/roms/openbios/fs/grubfs/fsys_xfs.c deleted file mode 100644 index b082621c7..000000000 --- a/qemu/roms/openbios/fs/grubfs/fsys_xfs.c +++ /dev/null @@ -1,639 +0,0 @@ -/* fsys_xfs.c - an implementation for the SGI XFS file system */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001,2002 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifdef FSYS_XFS - -#include "shared.h" -#include "filesys.h" -#include "xfs.h" - -#define MAX_LINK_COUNT 8 - -typedef struct xad { - xfs_fileoff_t offset; - xfs_fsblock_t start; - xfs_filblks_t len; -} xad_t; - -struct xfs_info { - int bsize; - int dirbsize; - int isize; - unsigned int agblocks; - int bdlog; - int blklog; - int inopblog; - int agblklog; - int agnolog; - unsigned int nextents; - xfs_daddr_t next; - xfs_daddr_t daddr; - xfs_dablk_t forw; - xfs_dablk_t dablk; - xfs_bmbt_rec_32_t *xt; - xfs_bmbt_ptr_t ptr0; - int btnode_ptr0_off; - int i8param; - int dirpos; - int dirmax; - int blkoff; - int fpos; - xfs_ino_t rootino; -}; - -static struct xfs_info xfs; - -#define dirbuf ((char *)FSYS_BUF) -#define filebuf ((char *)FSYS_BUF + 4096) -#define inode ((xfs_dinode_t *)((char *)FSYS_BUF + 8192)) -#define icore (inode->di_core) - -#define mask32lo(n) (((__uint32_t)1 << (n)) - 1) - -#define XFS_INO_MASK(k) ((__uint32_t)((1ULL << (k)) - 1)) -#define XFS_INO_OFFSET_BITS xfs.inopblog -#define XFS_INO_AGBNO_BITS xfs.agblklog -#define XFS_INO_AGINO_BITS (xfs.agblklog + xfs.inopblog) -#define XFS_INO_AGNO_BITS xfs.agnolog - -static inline xfs_agblock_t -agino2agbno (xfs_agino_t agino) -{ - return agino >> XFS_INO_OFFSET_BITS; -} - -static inline xfs_agnumber_t -ino2agno (xfs_ino_t ino) -{ - return ino >> XFS_INO_AGINO_BITS; -} - -static inline xfs_agino_t -ino2agino (xfs_ino_t ino) -{ - return ino & XFS_INO_MASK(XFS_INO_AGINO_BITS); -} - -static inline int -ino2offset (xfs_ino_t ino) -{ - return ino & XFS_INO_MASK(XFS_INO_OFFSET_BITS); -} - -static inline __uint16_t -le16 (__uint16_t x) -{ -#ifdef __i386__ - __asm__("xchgb %b0,%h0" \ - : "=q" (x) \ - : "0" (x)); \ - return x; -#else - return __be16_to_cpu(x); -#endif -} - -static inline __uint32_t -le32 (__uint32_t x) -{ -#ifdef __i386__ -#if 1 - /* 386 doesn't have bswap. So what. */ - __asm__("bswap %0" : "=r" (x) : "0" (x)); -#else - /* This is slower but this works on all x86 architectures. */ - __asm__("xchgb %b0, %h0" \ - "\n\troll $16, %0" \ - "\n\txchgb %b0, %h0" \ - : "=q" (x) : "0" (x)); -#endif - return x; -#else - return __be32_to_cpu(x); -#endif -} - -static inline __uint64_t -le64 (__uint64_t x) -{ - __uint32_t h = x >> 32; - __uint32_t l = x & ((1ULL<<32)-1); - return (((__uint64_t)le32(l)) << 32) | ((__uint64_t)(le32(h))); -} - - -static xfs_fsblock_t -xt_start (xfs_bmbt_rec_32_t *r) -{ - return (((xfs_fsblock_t)(le32 (r->l1) & mask32lo(9))) << 43) | - (((xfs_fsblock_t)le32 (r->l2)) << 11) | - (((xfs_fsblock_t)le32 (r->l3)) >> 21); -} - -static xfs_fileoff_t -xt_offset (xfs_bmbt_rec_32_t *r) -{ - return (((xfs_fileoff_t)le32 (r->l0) & - mask32lo(31)) << 23) | - (((xfs_fileoff_t)le32 (r->l1)) >> 9); -} - -static xfs_filblks_t -xt_len (xfs_bmbt_rec_32_t *r) -{ - return le32(r->l3) & mask32lo(21); -} - -static inline int -xfs_highbit32(__uint32_t v) -{ - int i; - - if (--v) { - for (i = 0; i < 31; i++, v >>= 1) { - if (v == 0) - return i; - } - } - return 0; -} - -static int -isinxt (xfs_fileoff_t key, xfs_fileoff_t offset, xfs_filblks_t len) -{ - return (key >= offset) ? (key < offset + len ? 1 : 0) : 0; -} - -static xfs_daddr_t -agb2daddr (xfs_agnumber_t agno, xfs_agblock_t agbno) -{ - return ((xfs_fsblock_t)agno*xfs.agblocks + agbno) << xfs.bdlog; -} - -static xfs_daddr_t -fsb2daddr (xfs_fsblock_t fsbno) -{ - return agb2daddr ((xfs_agnumber_t)(fsbno >> xfs.agblklog), - (xfs_agblock_t)(fsbno & mask32lo(xfs.agblklog))); -} - -#undef offsetof -#define offsetof(t,m) ((long)&(((t *)0)->m)) - -static inline int -btroot_maxrecs (void) -{ - int tmp = icore.di_forkoff ? (icore.di_forkoff << 3) : xfs.isize; - - return (tmp - sizeof(xfs_bmdr_block_t) - offsetof(xfs_dinode_t, di_u)) / - (sizeof (xfs_bmbt_key_t) + sizeof (xfs_bmbt_ptr_t)); -} - -static int -di_read (xfs_ino_t ino) -{ - xfs_agino_t agino; - xfs_agnumber_t agno; - xfs_agblock_t agbno; - xfs_daddr_t daddr; - int offset; - - agno = ino2agno (ino); - agino = ino2agino (ino); - agbno = agino2agbno (agino); - offset = ino2offset (ino); - daddr = agb2daddr (agno, agbno); - - devread (daddr, offset*xfs.isize, xfs.isize, (char *)inode); - - xfs.ptr0 = *(xfs_bmbt_ptr_t *) - (inode->di_u.di_c + sizeof(xfs_bmdr_block_t) - + btroot_maxrecs ()*sizeof(xfs_bmbt_key_t)); - - return 1; -} - -static void -init_extents (void) -{ - xfs_bmbt_ptr_t ptr0; - xfs_btree_lblock_t h; - - switch (icore.di_format) { - case XFS_DINODE_FMT_EXTENTS: - xfs.xt = inode->di_u.di_bmx; - xfs.nextents = le32 (icore.di_nextents); - break; - case XFS_DINODE_FMT_BTREE: - ptr0 = xfs.ptr0; - for (;;) { - xfs.daddr = fsb2daddr (le64(ptr0)); - devread (xfs.daddr, 0, - sizeof(xfs_btree_lblock_t), (char *)&h); - if (!h.bb_level) { - xfs.nextents = le16(h.bb_numrecs); - xfs.next = fsb2daddr (le64(h.bb_rightsib)); - xfs.fpos = sizeof(xfs_btree_block_t); - return; - } - devread (xfs.daddr, xfs.btnode_ptr0_off, - sizeof(xfs_bmbt_ptr_t), (char *)&ptr0); - } - } -} - -static xad_t * -next_extent (void) -{ - static xad_t xad; - - switch (icore.di_format) { - case XFS_DINODE_FMT_EXTENTS: - if (xfs.nextents == 0) - return NULL; - break; - case XFS_DINODE_FMT_BTREE: - if (xfs.nextents == 0) { - xfs_btree_lblock_t h; - if (xfs.next == 0) - return NULL; - xfs.daddr = xfs.next; - devread (xfs.daddr, 0, sizeof(xfs_btree_lblock_t), (char *)&h); - xfs.nextents = le16(h.bb_numrecs); - xfs.next = fsb2daddr (le64(h.bb_rightsib)); - xfs.fpos = sizeof(xfs_btree_block_t); - } - /* Yeah, I know that's slow, but I really don't care */ - devread (xfs.daddr, xfs.fpos, sizeof(xfs_bmbt_rec_t), filebuf); - xfs.xt = (xfs_bmbt_rec_32_t *)filebuf; - xfs.fpos += sizeof(xfs_bmbt_rec_32_t); - } - xad.offset = xt_offset (xfs.xt); - xad.start = xt_start (xfs.xt); - xad.len = xt_len (xfs.xt); - ++xfs.xt; - --xfs.nextents; - - return &xad; -} - -/* - * Name lies - the function reads only first 100 bytes - */ -static void -xfs_dabread (void) -{ - xad_t *xad; - xfs_fileoff_t offset;; - - init_extents (); - while ((xad = next_extent ())) { - offset = xad->offset; - if (isinxt (xfs.dablk, offset, xad->len)) { - devread (fsb2daddr (xad->start + xfs.dablk - offset), - 0, 100, dirbuf); - break; - } - } -} - -static inline xfs_ino_t -sf_ino (char *sfe, int namelen) -{ - void *p = sfe + namelen + 3; - - return (xfs.i8param == 0) - ? le64(*(xfs_ino_t *)p) : le32(*(__uint32_t *)p); -} - -static inline xfs_ino_t -sf_parent_ino (void) -{ - return (xfs.i8param == 0) - ? le64(*(xfs_ino_t *)(&inode->di_u.di_dir2sf.hdr.parent)) - : le32(*(__uint32_t *)(&inode->di_u.di_dir2sf.hdr.parent)); -} - -static inline int -roundup8 (int n) -{ - return ((n+7)&~7); -} - -static char * -next_dentry (xfs_ino_t *ino) -{ - int namelen = 1; - int toread; - static char *usual[2]; - static xfs_dir2_sf_entry_t *sfe; - char *name; - - if (!usual[0]) { - usual[0] = strdup("."); - usual[1] = strdup(".."); - } - name = usual[0]; - - if (xfs.dirpos >= xfs.dirmax) { - if (xfs.forw == 0) - return NULL; - xfs.dablk = xfs.forw; - xfs_dabread (); -#define h ((xfs_dir2_leaf_hdr_t *)dirbuf) - xfs.dirmax = le16 (h->count) - le16 (h->stale); - xfs.forw = le32 (h->info.forw); -#undef h - xfs.dirpos = 0; - } - - switch (icore.di_format) { - case XFS_DINODE_FMT_LOCAL: - switch (xfs.dirpos) { - case -2: - *ino = 0; - break; - case -1: - *ino = sf_parent_ino (); - ++name; - ++namelen; - sfe = (xfs_dir2_sf_entry_t *) - (inode->di_u.di_c - + sizeof(xfs_dir2_sf_hdr_t) - - xfs.i8param); - break; - default: - namelen = sfe->namelen; - *ino = sf_ino ((char *)sfe, namelen); - name = (char *)sfe->name; - sfe = (xfs_dir2_sf_entry_t *) - ((char *)sfe + namelen + 11 - xfs.i8param); - } - break; - case XFS_DINODE_FMT_BTREE: - case XFS_DINODE_FMT_EXTENTS: -#define dau ((xfs_dir2_data_union_t *)dirbuf) - for (;;) { - if (xfs.blkoff >= xfs.dirbsize) { - xfs.blkoff = sizeof(xfs_dir2_data_hdr_t); - filepos &= ~(xfs.dirbsize - 1); - filepos |= xfs.blkoff; - } - xfs_read (dirbuf, 4); - xfs.blkoff += 4; - if (dau->unused.freetag == XFS_DIR2_DATA_FREE_TAG) { - toread = roundup8 (le16(dau->unused.length)) - 4; - xfs.blkoff += toread; - filepos += toread; - continue; - } - break; - } - xfs_read ((char *)dirbuf + 4, 5); - *ino = le64 (dau->entry.inumber); - namelen = dau->entry.namelen; -#undef dau - toread = roundup8 (namelen + 11) - 9; - xfs_read (dirbuf, toread); - name = (char *)dirbuf; - xfs.blkoff += toread + 5; - } - ++xfs.dirpos; - name[namelen] = 0; - - return name; -} - -static char * -first_dentry (xfs_ino_t *ino) -{ - xfs.forw = 0; - switch (icore.di_format) { - case XFS_DINODE_FMT_LOCAL: - xfs.dirmax = inode->di_u.di_dir2sf.hdr.count; - xfs.i8param = inode->di_u.di_dir2sf.hdr.i8count ? 0 : 4; - xfs.dirpos = -2; - break; - case XFS_DINODE_FMT_EXTENTS: - case XFS_DINODE_FMT_BTREE: - filepos = 0; - xfs_read (dirbuf, sizeof(xfs_dir2_data_hdr_t)); - if (((xfs_dir2_data_hdr_t *)dirbuf)->magic == le32(XFS_DIR2_BLOCK_MAGIC)) { -#define tail ((xfs_dir2_block_tail_t *)dirbuf) - filepos = xfs.dirbsize - sizeof(*tail); - xfs_read (dirbuf, sizeof(*tail)); - xfs.dirmax = le32 (tail->count) - le32 (tail->stale); -#undef tail - } else { - xfs.dablk = (1ULL << 35) >> xfs.blklog; -#define h ((xfs_dir2_leaf_hdr_t *)dirbuf) -#define n ((xfs_da_intnode_t *)dirbuf) - for (;;) { - xfs_dabread (); - if ((n->hdr.info.magic == le16(XFS_DIR2_LEAFN_MAGIC)) - || (n->hdr.info.magic == le16(XFS_DIR2_LEAF1_MAGIC))) { - xfs.dirmax = le16 (h->count) - le16 (h->stale); - xfs.forw = le32 (h->info.forw); - break; - } - xfs.dablk = le32 (n->btree[0].before); - } -#undef n -#undef h - } - xfs.blkoff = sizeof(xfs_dir2_data_hdr_t); - filepos = xfs.blkoff; - xfs.dirpos = 0; - } - return next_dentry (ino); -} - -int -xfs_mount (void) -{ - xfs_sb_t super; - - if (!devread (0, 0, sizeof(super), (char *)&super) - || (le32(super.sb_magicnum) != XFS_SB_MAGIC) - || ((le16(super.sb_versionnum) - & XFS_SB_VERSION_NUMBITS) != XFS_SB_VERSION_4) ) { - return 0; - } - - xfs.bsize = le32 (super.sb_blocksize); - xfs.blklog = super.sb_blocklog; - xfs.bdlog = xfs.blklog - SECTOR_BITS; - xfs.rootino = le64 (super.sb_rootino); - xfs.isize = le16 (super.sb_inodesize); - xfs.agblocks = le32 (super.sb_agblocks); - xfs.dirbsize = xfs.bsize << super.sb_dirblklog; - - xfs.inopblog = super.sb_inopblog; - xfs.agblklog = super.sb_agblklog; - xfs.agnolog = xfs_highbit32 (le32(super.sb_agcount)); - - xfs.btnode_ptr0_off = - ((xfs.bsize - sizeof(xfs_btree_block_t)) / - (sizeof (xfs_bmbt_key_t) + sizeof (xfs_bmbt_ptr_t))) - * sizeof(xfs_bmbt_key_t) + sizeof(xfs_btree_block_t); - - return 1; -} - -int -xfs_read (char *buf, int len) -{ - xad_t *xad; - xfs_fileoff_t endofprev, endofcur, offset; - xfs_filblks_t xadlen; - int toread, startpos, endpos; - - if (icore.di_format == XFS_DINODE_FMT_LOCAL) { - grub_memmove (buf, inode->di_u.di_c + filepos, len); - filepos += len; - return len; - } - - startpos = filepos; - endpos = filepos + len; - endofprev = (xfs_fileoff_t)-1; - init_extents (); - while (len > 0 && (xad = next_extent ())) { - offset = xad->offset; - xadlen = xad->len; - if (isinxt (filepos >> xfs.blklog, offset, xadlen)) { - endofcur = (offset + xadlen) << xfs.blklog; - toread = (endofcur >= endpos) - ? len : (endofcur - filepos); - - disk_read_func = disk_read_hook; - devread (fsb2daddr (xad->start), - filepos - (offset << xfs.blklog), toread, buf); - disk_read_func = NULL; - - buf += toread; - len -= toread; - filepos += toread; - } else if (offset > endofprev) { - toread = ((offset << xfs.blklog) >= endpos) - ? len : ((offset - endofprev) << xfs.blklog); - len -= toread; - filepos += toread; - for (; toread; toread--) { - *buf++ = 0; - } - continue; - } - endofprev = offset + xadlen; - } - - return filepos - startpos; -} - -int -xfs_dir (char *dirname) -{ - xfs_ino_t ino, parent_ino, new_ino; - xfs_fsize_t di_size; - int di_mode; - int cmp, n, link_count; - char linkbuf[xfs.bsize]; - char *rest, *name, ch; - - parent_ino = ino = xfs.rootino; - link_count = 0; - for (;;) { - di_read (ino); - di_size = le64 (icore.di_size); - di_mode = le16 (icore.di_mode); - - if ((di_mode & IFMT) == IFLNK) { - if (++link_count > MAX_LINK_COUNT) { - errnum = ERR_SYMLINK_LOOP; - return 0; - } - if (di_size < xfs.bsize - 1) { - filepos = 0; - filemax = di_size; - n = xfs_read (linkbuf, filemax); - } else { - errnum = ERR_FILELENGTH; - return 0; - } - - ino = (linkbuf[0] == '/') ? xfs.rootino : parent_ino; - while (n < (xfs.bsize - 1) && (linkbuf[n++] = *dirname++)); - linkbuf[n] = 0; - dirname = linkbuf; - continue; - } - - if (!*dirname || isspace (*dirname)) { - if ((di_mode & IFMT) != IFREG) { - errnum = ERR_BAD_FILETYPE; - return 0; - } - filepos = 0; - filemax = di_size; - return 1; - } - - if ((di_mode & IFMT) != IFDIR) { - errnum = ERR_BAD_FILETYPE; - return 0; - } - - for (; *dirname == '/'; dirname++); - - for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++); - *rest = 0; - - name = first_dentry (&new_ino); - for (;;) { - cmp = (!*dirname) ? -1 : substring (dirname, name); -#ifndef STAGE1_5 - if (print_possibilities && ch != '/' && cmp <= 0) { - if (print_possibilities > 0) - print_possibilities = -print_possibilities; - print_a_completion (name); - } else -#endif - if (cmp == 0) { - parent_ino = ino; - if (new_ino) - ino = new_ino; - *(dirname = rest) = ch; - break; - } - name = next_dentry (&new_ino); - if (name == NULL) { - if (print_possibilities < 0) - return 1; - - errnum = ERR_FILE_NOT_FOUND; - *rest = ch; - return 0; - } - } - } -} - -#endif /* FSYS_XFS */ diff --git a/qemu/roms/openbios/fs/grubfs/glue.h b/qemu/roms/openbios/fs/grubfs/glue.h deleted file mode 100644 index 7f2129372..000000000 --- a/qemu/roms/openbios/fs/grubfs/glue.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef __GLUE_H -#define __GLUE_H - -#include "asm/types.h" -#include "config.h" -#include "libc/byteorder.h" - -typedef uint64_t sector_t; - -int devopen(void); - -int devread(unsigned long sector, unsigned long byte_offset, - unsigned long byte_len, void *buf); - -int file_open(const char *filename); -int file_read(void *buf, unsigned long len); -int file_seek(unsigned long offset); -unsigned long file_size(void); -void file_close(void); - -int mount_fs(void); - -extern int using_devsize; - -/* - * some of the filesystem drivers don't correctly provide their - * prototypes. we fix this here so we can leave them untouched. - */ - -int ffs_mount (void); -int ffs_read (char *buf, int len); -int ffs_dir (char *dirname); -int ffs_embed (int *start_sector, int needed_sectors); - -int vstafs_mount (void); -int vstafs_dir (char *dirname); -int vstafs_read (char *addr, int len); - -int ntfs_mount (void); -int ntfs_dir (char *dirname); -int ntfs_read (char *addr, int len); - -int affs_mount (void); -int affs_dir (char *dirname); -int affs_read (char *addr, int len); - - -#endif /* FS_H */ diff --git a/qemu/roms/openbios/fs/grubfs/grubfs_fs.c b/qemu/roms/openbios/fs/grubfs/grubfs_fs.c deleted file mode 100644 index acd2a6441..000000000 --- a/qemu/roms/openbios/fs/grubfs/grubfs_fs.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * /packages/grubfs-files - * - * grub vfs - * - * Copyright (C) 2004 Stefan Reinauer - * Copyright (C) 2004 Samuel Rydh - * Copyright (C) 2010 Mark Cave-Ayland - * - * inspired by HFS code from Samuel Rydh - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation - * - */ - -#include "config.h" -#include "libopenbios/bindings.h" -#include "fs/fs.h" -#include "filesys.h" -#include "glue.h" -#include "libc/diskio.h" -#include "libc/vsprintf.h" - -extern void grubfs_init( void ); - -/************************************************************************/ -/* grub GLOBALS (horrible... but difficult to fix) */ -/************************************************************************/ - -/* the grub drivers want these: */ -int filepos; -int filemax; -grub_error_t errnum; -char FSYS_BUF[FSYS_BUFLEN]; - -/* these are not even used by us, instead - * the grub fs drivers want them: - */ -int fsmax; -void (*disk_read_hook) (int, int, int); -void (*disk_read_func) (int, int, int); - - -/************************************************************************/ -/* filsystem table */ -/************************************************************************/ - -typedef struct fsys_entry { - const char *name; - int (*mount_func) (void); - int (*read_func) (char *buf, int len); - int (*dir_func) (char *dirname); - void (*close_func) (void); - int (*embed_func) (int *start_sector, int needed_sectors); -} fsys_entry_t; - -static const struct fsys_entry fsys_table[] = { -# ifdef CONFIG_FSYS_FAT - {"fat", fat_mount, fat_read, fat_dir, NULL, NULL}, -# endif -# ifdef CONFIG_FSYS_EXT2FS - {"ext2fs", ext2fs_mount, ext2fs_read, ext2fs_dir, NULL, NULL}, -# endif -# ifdef CONFIG_FSYS_MINIX - {"minix", minix_mount, minix_read, minix_dir, NULL, NULL}, -# endif -# ifdef CONFIG_FSYS_REISERFS - {"reiserfs", reiserfs_mount, reiserfs_read, reiserfs_dir, NULL, reiserfs_embed}, -# endif -# ifdef CONFIG_FSYS_JFS - {"jfs", jfs_mount, jfs_read, jfs_dir, NULL, jfs_embed}, -# endif -# ifdef CONFIG_FSYS_XFS - {"xfs", xfs_mount, xfs_read, xfs_dir, NULL, NULL}, -# endif -# ifdef CONFIG_FSYS_UFS - {"ufs", ufs_mount, ufs_read, ufs_dir, NULL, ufs_embed}, -# endif -# ifdef CONFIG_FSYS_ISO9660 - {"iso9660", iso9660_mount, iso9660_read, iso9660_dir, NULL, NULL}, -# endif -# ifdef CONFIG_FSYS_NTFS - {"ntfs", ntfs_mount, ntfs_read, ntfs_dir, NULL, NULL}, -# endif -# ifdef CONFIG_FSYS_AFFS - {"affs", affs_mount, affs_read, affs_dir, NULL, NULL}, -# endif -}; - -/* We don't provide a file search mechanism (yet) */ -typedef struct { - unsigned long pos; - unsigned long len; - const char *path; -} grubfile_t; - -typedef struct { - const struct fsys_entry *fsys; - grubfile_t *fd; - int dev_fd; - long long offset; /* Offset added onto each device read; should only ever be non-zero - when probing a partition for a filesystem */ -} grubfs_t; - -typedef struct { - grubfs_t *gfs; -} grubfs_info_t; - -/* Static block and global pointer required for I/O glue */ -static grubfs_t dummy_fs; -static grubfs_t *curfs = &dummy_fs; - -DECLARE_NODE( grubfs, 0, sizeof(grubfs_info_t), "+/packages/grubfs-files" ); - - -/************************************************************************/ -/* I/O glue (called by grub source) */ -/************************************************************************/ - -int -devread( unsigned long sector, unsigned long byte_offset, - unsigned long byte_len, void *buf ) -{ - long long offs = (long long)sector * 512 + byte_offset; - -#ifdef CONFIG_DEBUG_FS - //printk("devread s=%x buf=%x, fd=%x\n",sector, buf, curfs->dev_fd); -#endif - - if( !curfs ) { -#ifdef CONFIG_DEBUG_FS - printk("devread: fsys == NULL!\n"); -#endif - return -1; - } - - if( seek_io(curfs->dev_fd, offs + curfs->offset) ) { -#ifdef CONFIG_DEBUG_FS - printk("seek failure\n"); -#endif - return -1; - } - return (read_io(curfs->dev_fd, buf, byte_len) == byte_len) ? 1:0; -} - -int -file_read( void *buf, unsigned long len ) -{ - if (filepos < 0 || filepos > filemax) - filepos = filemax; - if (len > filemax-filepos) - len = filemax - filepos; - errnum = 0; - return curfs->fsys->read_func( buf, len ); -} - - -/************************************************************************/ -/* Standard package methods */ -/************************************************************************/ - -/* ( -- success? ) */ -static void -grubfs_files_open( grubfs_info_t *mi ) -{ - int fd, i; - char *path = my_args_copy(); - char *s; - - fd = open_ih( my_parent() ); - if ( fd == -1 ) { - free( path ); - RET( 0 ); - } - - mi->gfs = &dummy_fs; - - for (i = 0; i < sizeof(fsys_table)/sizeof(fsys_table[0]); i++) { -#ifdef CONFIG_DEBUG_FS - printk("Trying %s\n", fsys_table[i].name); -#endif - if (fsys_table[i].mount_func()) { - const fsys_entry_t *fsys = &fsys_table[i]; -#ifdef CONFIG_DEBUG_FS - printk("Mounted %s\n", fsys->name); -#endif - mi->gfs = malloc(sizeof(grubfs_t)); - mi->gfs->fsys = fsys; - mi->gfs->dev_fd = fd; - mi->gfs->offset = 0; - - s = path; - while (*s) { - if(*s=='\\') *s='/'; - s++; - } -#ifdef CONFIG_DEBUG_FS - printk("Path=%s\n",path); -#endif - if (!mi->gfs->fsys->dir_func((char *) path)) { - forth_printf("File not found\n"); - RET( 0 ); - } - - mi->gfs->fd = malloc(sizeof(grubfile_t)); - mi->gfs->fd->pos = filepos; - mi->gfs->fd->len = filemax; - mi->gfs->fd->path = strdup(path); - - RET( -1 ); - } - } -#ifdef CONFIG_DEBUG_FS - printk("Unknown filesystem type\n"); -#endif - - RET( 0 ); -} - -/* ( -- ) */ -static void -grubfs_files_close( grubfs_info_t *mi ) -{ - grubfile_t *gf = mi->gfs->fd; - - if (gf->path) - free((void *)(gf->path)); - free(gf); - - filepos = 0; - filemax = 0; -} - -/* ( buf len -- actlen ) */ -static void -grubfs_files_read( grubfs_info_t *mi ) -{ - int count = POP(); - char *buf = (char *)cell2pointer(POP()); - - grubfile_t *file = mi->gfs->fd; - int ret; - - filepos = file->pos; - filemax = file->len; - - if (count > filemax - filepos) - count = filemax - filepos; - - ret = mi->gfs->fsys->read_func(buf, count); - - file->pos = filepos; - - RET( ret ); -} - -/* ( pos.d -- status ) */ -static void -grubfs_files_seek( grubfs_info_t *mi ) -{ - long long pos = DPOP(); - int offs = (int)pos; - int whence = SEEK_SET; - - grubfile_t *file = mi->gfs->fd; - unsigned long newpos; - - switch( whence ) { - case SEEK_END: - if (offs < 0 && (unsigned long) -offs > file->len) - newpos = 0; - else - newpos = file->len + offs; - break; - default: - case SEEK_SET: - newpos = (offs < 0) ? 0 : offs; - break; - } - - if (newpos > file->len) - newpos = file->len; - - file->pos = newpos; - - if (newpos) - RET( -1 ); - else - RET( 0 ); -} - -/* ( addr -- size ) */ -static void -grubfs_files_load( grubfs_info_t *mi ) -{ - char *buf = (char *)cell2pointer(POP()); - int count, ret; - - grubfile_t *file = mi->gfs->fd; - count = file->len; - - ret = mi->gfs->fsys->read_func(buf, count); - file->pos = filepos; - - RET( ret ); -} - -/* ( -- cstr ) */ -static void -grubfs_files_get_path( grubfs_info_t *mi ) -{ - grubfile_t *file = mi->gfs->fd; - const char *path = file->path; - - RET( pointer2cell(strdup(path)) ); -} - -/* ( -- cstr ) */ -static void -grubfs_files_get_fstype( grubfs_info_t *mi ) -{ - grubfs_t *gfs = mi->gfs; - - PUSH( pointer2cell(strdup(gfs->fsys->name)) ); -} - - -/* static method, ( pos.d ih -- flag? ) */ -static void -grubfs_files_probe( grubfs_info_t *dummy ) -{ - ihandle_t ih = POP_ih(); - long long offs = DPOP(); - int i; - - curfs->dev_fd = open_ih(ih); - if (curfs->dev_fd == -1) { - RET( -1 ); - } - curfs->offset = offs; - - for (i = 0; i < sizeof(fsys_table)/sizeof(fsys_table[0]); i++) { -#ifdef CONFIG_DEBUG_FS - printk("Probing for %s\n", fsys_table[i].name); -#endif - if (fsys_table[i].mount_func()) { - RET( -1 ); - } - } - -#ifdef CONFIG_DEBUG_FS - printk("Unknown filesystem type\n"); -#endif - - close_io(curfs->dev_fd); - - RET ( 0 ); -} - -/* static method, ( pathstr len ihandle -- ) */ -static void -grubfs_files_dir( grubfs_info_t *dummy ) -{ - forth_printf("dir method not implemented for grubfs filesystem\n"); - POP(); - POP(); - POP(); -} - -static void -grubfs_initializer( grubfs_info_t *dummy ) -{ - fword("register-fs-package"); -} - -NODE_METHODS( grubfs ) = { - { "probe", grubfs_files_probe }, - { "open", grubfs_files_open }, - { "close", grubfs_files_close }, - { "read", grubfs_files_read }, - { "seek", grubfs_files_seek }, - { "load", grubfs_files_load }, - { "dir", grubfs_files_dir }, - - /* special */ - { "get-path", grubfs_files_get_path }, - { "get-fstype", grubfs_files_get_fstype }, - - { NULL, grubfs_initializer }, -}; - -void -grubfs_init( void ) -{ - REGISTER_NODE( grubfs ); -} diff --git a/qemu/roms/openbios/fs/grubfs/iso9660.h b/qemu/roms/openbios/fs/grubfs/iso9660.h deleted file mode 100644 index 6423a8f68..000000000 --- a/qemu/roms/openbios/fs/grubfs/iso9660.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * ISO 9660 filesystem backend for GRUB (GRand Unified Bootloader) - * including Rock Ridge Extensions support - * - * Copyright (C) 1998, 1999 Kousuke Takai <tak@kmc.kyoto-u.ac.jp> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ -/* - * References: - * linux/fs/isofs/rock.[ch] - * mkisofs-1.11.1/diag/isoinfo.c - * mkisofs-1.11.1/iso9660.h - * (all are written by Eric Youngdale) - */ - -/* - * Modified by SONE Takeshi to work with FILO - */ - -#ifndef _ISO9660_H_ -#define _ISO9660_H_ - -#define ISO_SECTOR_BITS (11) -#define ISO_SECTOR_SIZE (1<<ISO_SECTOR_BITS) - -#define ISO_REGULAR 1 /* regular file */ -#define ISO_DIRECTORY 2 /* directory */ -#define ISO_OTHER 0 /* other file (with Rock Ridge) */ - -#define RR_FLAG_PX 0x01 /* have POSIX file attributes */ -#define RR_FLAG_NM 0x08 /* have alternate file name */ - -/* POSIX file attributes for Rock Ridge extensions */ -#define POSIX_S_IFMT 0xF000 -#define POSIX_S_IFREG 0x8000 -#define POSIX_S_IFDIR 0x4000 - -/* volume descriptor types */ -#define ISO_VD_PRIMARY 1 -#define ISO_VD_END 255 - -#define ISO_STANDARD_ID "CD001" - -#ifndef ASM_FILE - -typedef union { - uint8_t l,b; -} iso_8bit_t; - -typedef struct __iso_16bit { - uint16_t l, b; -} iso_16bit_t; - -typedef struct __iso_32bit { - uint32_t l, b; -} iso_32bit_t; - -typedef uint8_t iso_date_t[7]; - -struct iso_directory_record { - iso_8bit_t length; - iso_8bit_t ext_attr_length; - iso_32bit_t extent; - iso_32bit_t size; - iso_date_t date; - iso_8bit_t flags; - iso_8bit_t file_unit_size; - iso_8bit_t interleave; - iso_16bit_t volume_seq_number; - iso_8bit_t name_len; - uint8_t name[1]; -} __attribute__ ((packed)); - -struct iso_primary_descriptor { - iso_8bit_t type; - uint8_t id[5]; - iso_8bit_t version; - uint8_t _unused1[1]; - uint8_t system_id[32]; - uint8_t volume_id[32]; - uint8_t _unused2[8]; - iso_32bit_t volume_space_size; - uint8_t _unused3[32]; - iso_16bit_t volume_set_size; - iso_16bit_t volume_seq_number; - iso_16bit_t logical_block_size; - iso_32bit_t path_table_size; - uint8_t type_l_path_table[4]; - uint8_t opt_type_l_path_table[4]; - uint8_t type_m_path_table[4]; - uint8_t opt_type_m_path_table[4]; - struct iso_directory_record root_directory_record; - uint8_t volume_set_id[128]; - uint8_t publisher_id[128]; - uint8_t preparer_id[128]; - uint8_t application_id[128]; - uint8_t copyright_file_id[37]; - uint8_t abstract_file_id[37]; - uint8_t bibliographic_file_id[37]; - uint8_t creation_date[17]; - uint8_t modification_date[17]; - uint8_t expiration_date[17]; - uint8_t effective_date[17]; - iso_8bit_t file_structure_version; - uint8_t _unused4[1]; - uint8_t application_data[512]; - uint8_t _unused5[653]; -} __attribute__ ((packed)); - -struct rock_ridge { - uint16_t signature; - uint8_t len; - uint8_t version; - union { - struct CE { - iso_32bit_t extent; - iso_32bit_t offset; - iso_32bit_t size; - } ce; - struct NM { - iso_8bit_t flags; - uint8_t name[0]; - } nm; - struct PX { - iso_32bit_t mode; - iso_32bit_t nlink; - iso_32bit_t uid; - iso_32bit_t gid; - } px; - struct RR { - iso_8bit_t flags; - } rr; - } u; -} __attribute__ ((packed)); - -typedef union RR_ptr { - struct rock_ridge *rr; - char *ptr; - int i; -} RR_ptr_t; - -#define CHECK2(ptr, c1, c2) \ - (*(unsigned char *)(ptr) == (c1) && \ - *((unsigned char *)(ptr) + 1) == (c2)) -#define CHECK4(ptr, c1, c2, c3, c4) \ - (*(unsigned char *)(ptr) == (c1) && \ - *((unsigned char *)(ptr) + 1) == (c2) && \ - *((unsigned char *)(ptr) + 2) == (c3) && \ - *((unsigned char *)(ptr) + 3) == (c4)) - -#endif /* !ASM_FILE */ - -#endif /* _ISO9660_H_ */ diff --git a/qemu/roms/openbios/fs/grubfs/jfs.h b/qemu/roms/openbios/fs/grubfs/jfs.h deleted file mode 100644 index afe7263d2..000000000 --- a/qemu/roms/openbios/fs/grubfs/jfs.h +++ /dev/null @@ -1,604 +0,0 @@ -/* jfs.h - an extractions from linux/include/linux/jfs/jfs* into one file */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000 International Business Machines Corp. - * Copyright (C) 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifndef _JFS_H_ -#define _JFS_H_ - -/* those are from jfs_filsys.h */ - -/* - * file system option (superblock flag) - */ -/* platform option (conditional compilation) */ -#define JFS_AIX 0x80000000 /* AIX support */ -/* POSIX name/directory support */ - -#define JFS_OS2 0x40000000 /* OS/2 support */ -/* case-insensitive name/directory support */ - -#define JFS_LINUX 0x10000000 /* Linux support */ -/* case-sensitive name/directory support */ - -/* directory option */ -#define JFS_UNICODE 0x00000001 /* unicode name */ - -/* bba */ -#define JFS_SWAP_BYTES 0x00100000 /* running on big endian computer */ - - -/* - * buffer cache configuration - */ -/* page size */ -#ifdef PSIZE -#undef PSIZE -#endif -#define PSIZE 4096 /* page size (in byte) */ - -/* - * fs fundamental size - * - * PSIZE >= file system block size >= PBSIZE >= DISIZE - */ -#define PBSIZE 512 /* physical block size (in byte) */ -#define DISIZE 512 /* on-disk inode size (in byte) */ -#define L2DISIZE 9 -#define INOSPERIAG 4096 /* number of disk inodes per iag */ -#define L2INOSPERIAG 12 -#define INOSPEREXT 32 /* number of disk inode per extent */ -#define L2INOSPEREXT 5 - -/* Minimum number of bytes supported for a JFS partition */ -#define MINJFS (0x1000000) - -/* - * fixed byte offset address - */ -#define SUPER1_OFF 0x8000 /* primary superblock */ - -#define AITBL_OFF (SUPER1_OFF + PSIZE + (PSIZE << 1)) - -/* - * fixed reserved inode number - */ -/* aggregate inode */ -#define AGGREGATE_I 1 /* aggregate inode map inode */ -#define FILESYSTEM_I 16 /* 1st/only fileset inode in ait: - * fileset inode map inode - */ - -/* per fileset inode */ -#define ROOT_I 2 /* fileset root inode */ - -/* - * directory configuration - */ -#define JFS_NAME_MAX 255 -#define JFS_PATH_MAX PSIZE - -#if 0 -typedef unsigned char u8; -typedef char s8; -typedef unsigned short u16; -typedef short s16; -typedef unsigned int u32; -typedef int s32; -typedef unsigned long long u64; -typedef long long s64; -#endif - -typedef u16 UniChar; - -/* these from jfs_btree.h */ - -/* btpaget_t flag */ -#define BT_TYPE 0x07 /* B+-tree index */ -#define BT_ROOT 0x01 /* root page */ -#define BT_LEAF 0x02 /* leaf page */ -#define BT_INTERNAL 0x04 /* internal page */ -#define BT_RIGHTMOST 0x10 /* rightmost page */ -#define BT_LEFTMOST 0x20 /* leftmost page */ - -/* those are from jfs_types.h */ - -struct timestruc_t { - u32 tv_sec; - u32 tv_nsec; -}; - -/* - * physical xd (pxd) - */ -typedef struct { - unsigned len:24; - unsigned addr1:8; - u32 addr2; -} pxd_t; - -/* xd_t field extraction */ -#define lengthPXD(pxd) ((pxd)->len) -#define addressPXD(pxd) (((s64)((pxd)->addr1)) << 32 | ((pxd)->addr2)) - -/* - * data extent descriptor (dxd) - */ -typedef struct { - unsigned flag:8; /* 1: flags */ - unsigned rsrvd:24; /* 3: */ - u32 size; /* 4: size in byte */ - unsigned len:24; /* 3: length in unit of fsblksize */ - unsigned addr1:8; /* 1: address in unit of fsblksize */ - u32 addr2; /* 4: address in unit of fsblksize */ -} dxd_t; /* - 16 - */ - -/* - * DASD limit information - stored in directory inode - */ -typedef struct dasd { - u8 thresh; /* Alert Threshold (in percent) */ - u8 delta; /* Alert Threshold delta (in percent) */ - u8 rsrvd1; - u8 limit_hi; /* DASD limit (in logical blocks) */ - u32 limit_lo; /* DASD limit (in logical blocks) */ - u8 rsrvd2[3]; - u8 used_hi; /* DASD usage (in logical blocks) */ - u32 used_lo; /* DASD usage (in logical blocks) */ -} dasd_t; - - -/* from jfs_superblock.h */ - -#define JFS_MAGIC 0x3153464A /* "JFS1" */ - -struct jfs_superblock -{ - u32 s_magic; /* 4: magic number */ - u32 s_version; /* 4: version number */ - - s64 s_size; /* 8: aggregate size in hardware/LVM blocks; - * VFS: number of blocks - */ - s32 s_bsize; /* 4: aggregate block size in bytes; - * VFS: fragment size - */ - s16 s_l2bsize; /* 2: log2 of s_bsize */ - s16 s_l2bfactor; /* 2: log2(s_bsize/hardware block size) */ - s32 s_pbsize; /* 4: hardware/LVM block size in bytes */ - s16 s_l2pbsize; /* 2: log2 of s_pbsize */ - s16 pad; /* 2: padding necessary for alignment */ - - u32 s_agsize; /* 4: allocation group size in aggr. blocks */ - - u32 s_flag; /* 4: aggregate attributes: - * see jfs_filsys.h - */ - u32 s_state; /* 4: mount/unmount/recovery state: - * see jfs_filsys.h - */ - s32 s_compress; /* 4: > 0 if data compression */ - - pxd_t s_ait2; /* 8: first extent of secondary - * aggregate inode table - */ - - pxd_t s_aim2; /* 8: first extent of secondary - * aggregate inode map - */ - u32 s_logdev; /* 4: device address of log */ - s32 s_logserial; /* 4: log serial number at aggregate mount */ - pxd_t s_logpxd; /* 8: inline log extent */ - - pxd_t s_fsckpxd; /* 8: inline fsck work space extent */ - - struct timestruc_t s_time; /* 8: time last updated */ - - s32 s_fsckloglen; /* 4: Number of filesystem blocks reserved for - * the fsck service log. - * N.B. These blocks are divided among the - * versions kept. This is not a per - * version size. - * N.B. These blocks are included in the - * length field of s_fsckpxd. - */ - s8 s_fscklog; /* 1: which fsck service log is most recent - * 0 => no service log data yet - * 1 => the first one - * 2 => the 2nd one - */ - char s_fpack[11]; /* 11: file system volume name - * N.B. This must be 11 bytes to - * conform with the OS/2 BootSector - * requirements - */ - - /* extendfs() parameter under s_state & FM_EXTENDFS */ - s64 s_xsize; /* 8: extendfs s_size */ - pxd_t s_xfsckpxd; /* 8: extendfs fsckpxd */ - pxd_t s_xlogpxd; /* 8: extendfs logpxd */ - /* - 128 byte boundary - */ - - /* - * DFS VFS support (preliminary) - */ - char s_attach; /* 1: VFS: flag: set when aggregate is attached - */ - u8 rsrvd4[7]; /* 7: reserved - set to 0 */ - - u64 totalUsable; /* 8: VFS: total of 1K blocks which are - * available to "normal" (non-root) users. - */ - u64 minFree; /* 8: VFS: # of 1K blocks held in reserve for - * exclusive use of root. This value can be 0, - * and if it is then totalUsable will be equal - * to # of blocks in aggregate. I believe this - * means that minFree + totalUsable = # blocks. - * In that case, we don't need to store both - * totalUsable and minFree since we can compute - * one from the other. I would guess minFree - * would be the one we should store, and - * totalUsable would be the one we should - * compute. (Just a guess...) - */ - - u64 realFree; /* 8: VFS: # of free 1K blocks can be used by - * "normal" users. It may be this is something - * we should compute when asked for instead of - * storing in the superblock. I don't know how - * often this information is needed. - */ - /* - * graffiti area - */ -}; - -/* from jfs_dtree.h */ - -/* - * entry segment/slot - * - * an entry consists of type dependent head/only segment/slot and - * additional segments/slots linked vi next field; - * N.B. last/only segment of entry is terminated by next = -1; - */ -/* - * directory page slot - */ -typedef struct { - s8 next; /* 1: */ - s8 cnt; /* 1: */ - UniChar name[15]; /* 30: */ -} dtslot_t; /* (32) */ - -#define DTSLOTDATALEN 15 - -/* - * internal node entry head/only segment - */ -typedef struct { - pxd_t xd; /* 8: child extent descriptor */ - - s8 next; /* 1: */ - u8 namlen; /* 1: */ - UniChar name[11]; /* 22: 2-byte aligned */ -} idtentry_t; /* (32) */ - -/* - * leaf node entry head/only segment - * - * For legacy filesystems, name contains 13 unichars -- no index field - */ -typedef struct { - u32 inumber; /* 4: 4-byte aligned */ - s8 next; /* 1: */ - u8 namlen; /* 1: */ - UniChar name[11]; /* 22: 2-byte aligned */ - u32 index; /* 4: index into dir_table */ -} ldtentry_t; /* (32) */ - -#define DTLHDRDATALEN 11 - -/* - * dir_table used for directory traversal during readdir -*/ - -/* - * Maximum entry in inline directory table - */ - -typedef struct dir_table_slot { - u8 rsrvd; /* 1: */ - u8 flag; /* 1: 0 if free */ - u8 slot; /* 1: slot within leaf page of entry */ - u8 addr1; /* 1: upper 8 bits of leaf page address */ - u32 addr2; /* 4: lower 32 bits of leaf page address -OR- - index of next entry when this entry was deleted */ -} dir_table_slot_t; /* (8) */ - -/* - * directory root page (in-line in on-disk inode): - * - * cf. dtpage_t below. - */ -typedef union { - struct { - dasd_t DASD; /* 16: DASD limit/usage info F226941 */ - - u8 flag; /* 1: */ - s8 nextindex; /* 1: next free entry in stbl */ - s8 freecnt; /* 1: free count */ - s8 freelist; /* 1: freelist header */ - - u32 idotdot; /* 4: parent inode number */ - - s8 stbl[8]; /* 8: sorted entry index table */ - } header; /* (32) */ - - dtslot_t slot[9]; -} dtroot_t; - -/* - * directory regular page: - * - * entry slot array of 32 byte slot - * - * sorted entry slot index table (stbl): - * contiguous slots at slot specified by stblindex, - * 1-byte per entry - * 512 byte block: 16 entry tbl (1 slot) - * 1024 byte block: 32 entry tbl (1 slot) - * 2048 byte block: 64 entry tbl (2 slot) - * 4096 byte block: 128 entry tbl (4 slot) - * - * data area: - * 512 byte block: 16 - 2 = 14 slot - * 1024 byte block: 32 - 2 = 30 slot - * 2048 byte block: 64 - 3 = 61 slot - * 4096 byte block: 128 - 5 = 123 slot - * - * N.B. index is 0-based; index fields refer to slot index - * except nextindex which refers to entry index in stbl; - * end of entry stot list or freelist is marked with -1. - */ -typedef union { - struct { - s64 next; /* 8: next sibling */ - s64 prev; /* 8: previous sibling */ - - u8 flag; /* 1: */ - s8 nextindex; /* 1: next entry index in stbl */ - s8 freecnt; /* 1: */ - s8 freelist; /* 1: slot index of head of freelist */ - - u8 maxslot; /* 1: number of slots in page slot[] */ - s8 stblindex; /* 1: slot index of start of stbl */ - u8 rsrvd[2]; /* 2: */ - - pxd_t self; /* 8: self pxd */ - } header; /* (32) */ - - dtslot_t slot[128]; -} dtpage_t; - -/* from jfs_xtree.h */ - -/* - * extent allocation descriptor (xad) - */ -typedef struct xad { - unsigned flag:8; /* 1: flag */ - unsigned rsvrd:16; /* 2: reserved */ - unsigned off1:8; /* 1: offset in unit of fsblksize */ - u32 off2; /* 4: offset in unit of fsblksize */ - unsigned len:24; /* 3: length in unit of fsblksize */ - unsigned addr1:8; /* 1: address in unit of fsblksize */ - u32 addr2; /* 4: address in unit of fsblksize */ -} xad_t; /* (16) */ - -/* xad_t field extraction */ -#define offsetXAD(xad) (((s64)((xad)->off1)) << 32 | ((xad)->off2)) -#define addressXAD(xad) (((s64)((xad)->addr1)) << 32 | ((xad)->addr2)) -#define lengthXAD(xad) ((xad)->len) - -/* possible values for maxentry */ -#define XTPAGEMAXSLOT 256 -#define XTENTRYSTART 2 - -/* - * xtree page: - */ -typedef union { - struct xtheader { - s64 next; /* 8: */ - s64 prev; /* 8: */ - - u8 flag; /* 1: */ - u8 rsrvd1; /* 1: */ - s16 nextindex; /* 2: next index = number of entries */ - s16 maxentry; /* 2: max number of entries */ - s16 rsrvd2; /* 2: */ - - pxd_t self; /* 8: self */ - } header; /* (32) */ - - xad_t xad[XTPAGEMAXSLOT]; /* 16 * maxentry: xad array */ -} xtpage_t; - -/* from jfs_dinode.h */ - -struct dinode { - /* - * I. base area (128 bytes) - * ------------------------ - * - * define generic/POSIX attributes - */ - u32 di_inostamp; /* 4: stamp to show inode belongs to fileset */ - s32 di_fileset; /* 4: fileset number */ - u32 di_number; /* 4: inode number, aka file serial number */ - u32 di_gen; /* 4: inode generation number */ - - pxd_t di_ixpxd; /* 8: inode extent descriptor */ - - s64 di_size; /* 8: size */ - s64 di_nblocks; /* 8: number of blocks allocated */ - - u32 di_nlink; /* 4: number of links to the object */ - - u32 di_uid; /* 4: user id of owner */ - u32 di_gid; /* 4: group id of owner */ - - u32 di_mode; /* 4: attribute, format and permission */ - - struct timestruc_t di_atime; /* 8: time last data accessed */ - struct timestruc_t di_ctime; /* 8: time last status changed */ - struct timestruc_t di_mtime; /* 8: time last data modified */ - struct timestruc_t di_otime; /* 8: time created */ - - dxd_t di_acl; /* 16: acl descriptor */ - - dxd_t di_ea; /* 16: ea descriptor */ - - s32 di_next_index; /* 4: Next available dir_table index */ - - s32 di_acltype; /* 4: Type of ACL */ - - /* - * Extension Areas. - * - * Historically, the inode was partitioned into 4 128-byte areas, - * the last 3 being defined as unions which could have multiple - * uses. The first 96 bytes had been completely unused until - * an index table was added to the directory. It is now more - * useful to describe the last 3/4 of the inode as a single - * union. We would probably be better off redesigning the - * entire structure from scratch, but we don't want to break - * commonality with OS/2's JFS at this time. - */ - union { - struct { - /* - * This table contains the information needed to - * find a directory entry from a 32-bit index. - * If the index is small enough, the table is inline, - * otherwise, an x-tree root overlays this table - */ - dir_table_slot_t _table[12]; /* 96: inline */ - - dtroot_t _dtroot; /* 288: dtree root */ - } _dir; /* (384) */ -#define di_dirtable u._dir._table -#define di_dtroot u._dir._dtroot -#define di_parent di_dtroot.header.idotdot -#define di_DASD di_dtroot.header.DASD - - struct { - union { - u8 _data[96]; /* 96: unused */ - struct { - void *_imap; /* 4: unused */ - u32 _gengen; /* 4: generator */ - } _imap; - } _u1; /* 96: */ -#define di_gengen u._file._u1._imap._gengen - - union { - xtpage_t _xtroot; - struct { - u8 unused[16]; /* 16: */ - dxd_t _dxd; /* 16: */ - union { - u32 _rdev; /* 4: */ - u8 _fastsymlink[128]; - } _u; - u8 _inlineea[128]; - } _special; - } _u2; - } _file; -#define di_xtroot u._file._u2._xtroot -#define di_dxd u._file._u2._special._dxd -#define di_btroot di_xtroot -#define di_inlinedata u._file._u2._special._u -#define di_rdev u._file._u2._special._u._rdev -#define di_fastsymlink u._file._u2._special._u._fastsymlink -#define di_inlineea u._file._u2._special._inlineea - } u; -}; - -typedef struct dinode dinode_t; - -/* di_mode */ -#define IFMT 0xF000 /* S_IFMT - mask of file type */ -#define IFDIR 0x4000 /* S_IFDIR - directory */ -#define IFREG 0x8000 /* S_IFREG - regular file */ -#define IFLNK 0xA000 /* S_IFLNK - symbolic link */ - -/* extended mode bits (on-disk inode di_mode) */ -#define INLINEEA 0x00040000 /* inline EA area free */ - -/* from jfs_imap.h */ - -#define EXTSPERIAG 128 /* number of disk inode extent per iag */ -#define SMAPSZ 4 /* number of words per summary map */ -#define MAXAG 128 /* maximum number of allocation groups */ - -/* - * inode allocation map: - * - * inode allocation map consists of - * . the inode map control page and - * . inode allocation group pages (per 4096 inodes) - * which are addressed by standard JFS xtree. - */ -/* - * inode allocation group page (per 4096 inodes of an AG) - */ -typedef struct { - s64 agstart; /* 8: starting block of ag */ - s32 iagnum; /* 4: inode allocation group number */ - s32 inofreefwd; /* 4: ag inode free list forward */ - s32 inofreeback; /* 4: ag inode free list back */ - s32 extfreefwd; /* 4: ag inode extent free list forward */ - s32 extfreeback; /* 4: ag inode extent free list back */ - s32 iagfree; /* 4: iag free list */ - - /* summary map: 1 bit per inode extent */ - s32 inosmap[SMAPSZ]; /* 16: sum map of mapwords w/ free inodes; - * note: this indicates free and backed - * inodes, if the extent is not backed the - * value will be 1. if the extent is - * backed but all inodes are being used the - * value will be 1. if the extent is - * backed but at least one of the inodes is - * free the value will be 0. - */ - s32 extsmap[SMAPSZ]; /* 16: sum map of mapwords w/ free extents */ - s32 nfreeinos; /* 4: number of free inodes */ - s32 nfreeexts; /* 4: number of free extents */ - /* (72) */ - u8 pad[1976]; /* 1976: pad to 2048 bytes */ - /* allocation bit map: 1 bit per inode (0 - free, 1 - allocated) */ - u32 wmap[EXTSPERIAG]; /* 512: working allocation map */ - u32 pmap[EXTSPERIAG]; /* 512: persistent allocation map */ - pxd_t inoext[EXTSPERIAG]; /* 1024: inode extent addresses */ -} iag_t; /* (4096) */ - -#endif /* _JFS_H_ */ diff --git a/qemu/roms/openbios/fs/grubfs/shared.h b/qemu/roms/openbios/fs/grubfs/shared.h deleted file mode 100644 index b3034e03c..000000000 --- a/qemu/roms/openbios/fs/grubfs/shared.h +++ /dev/null @@ -1,3 +0,0 @@ -/* Sorry, nothing is shared here ;) Just for GRUB compatibility. */ - -#include "glue.h" diff --git a/qemu/roms/openbios/fs/grubfs/ufs_dinode.h b/qemu/roms/openbios/fs/grubfs/ufs_dinode.h deleted file mode 100644 index f3f7fca02..000000000 --- a/qemu/roms/openbios/fs/grubfs/ufs_dinode.h +++ /dev/null @@ -1,191 +0,0 @@ -/*- - * Copyright (c) 2002 Networks Associates Technology, Inc. - * All rights reserved. - * - * This software was developed for the FreeBSD Project by Marshall - * Kirk McKusick and Network Associates Laboratories, the Security - * Research Division of Network Associates, Inc. under DARPA/SPAWAR - * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS - * research program - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * Copyright (c) 1982, 1989, 1993 - * The Regents of the University of California. All rights reserved. - * (c) UNIX System Laboratories, Inc. - * All or some portions of this file are derived from material licensed - * to the University of California by American Telephone and Telegraph - * Co. or Unix System Laboratories, Inc. and are reproduced herein with - * the permission of UNIX System Laboratories, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the authors may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)dinode.h 8.3 (Berkeley) 1/21/94 - * $FreeBSD: src/sys/ufs/ufs/dinode.h,v 1.13.2.1 2005/01/31 23:27:01 imp Exp $ - */ - -#ifndef _UFS_UFS_DINODE_H_ -#define _UFS_UFS_DINODE_H_ - -/* - * The root inode is the root of the filesystem. Inode 0 can't be used for - * normal purposes and historically bad blocks were linked to inode 1, thus - * the root inode is 2. (Inode 1 is no longer used for this purpose, however - * numerous dump tapes make this assumption, so we are stuck with it). - */ -#define ROOTINO ((ino_t)2) - -/* - * The Whiteout inode# is a dummy non-zero inode number which will - * never be allocated to a real file. It is used as a place holder - * in the directory entry which has been tagged as a DT_W entry. - * See the comments about ROOTINO above. - */ -#define WINO ((ino_t)1) - -/* - * The size of physical and logical block numbers and time fields in UFS. - */ -typedef int32_t ufs1_daddr_t; -typedef int64_t ufs2_daddr_t; -typedef int64_t ufs_lbn_t; -typedef int64_t ufs_time_t; - -/* File permissions. */ -#define IEXEC 0000100 /* Executable. */ -#define IWRITE 0000200 /* Writeable. */ -#define IREAD 0000400 /* Readable. */ -#define ISVTX 0001000 /* Sticky bit. */ -#define ISGID 0002000 /* Set-gid. */ -#define ISUID 0004000 /* Set-uid. */ - -/* File types. */ -#define IFMT 0170000 /* Mask of file type. */ -#define IFIFO 0010000 /* Named pipe (fifo). */ -#define IFCHR 0020000 /* Character device. */ -#define IFDIR 0040000 /* Directory file. */ -#define IFBLK 0060000 /* Block device. */ -#define IFREG 0100000 /* Regular file. */ -#define IFLNK 0120000 /* Symbolic link. */ -#define IFSOCK 0140000 /* UNIX domain socket. */ -#define IFWHT 0160000 /* Whiteout. */ - -/* - * A dinode contains all the meta-data associated with a UFS2 file. - * This structure defines the on-disk format of a dinode. Since - * this structure describes an on-disk structure, all its fields - * are defined by types with precise widths. - */ - -#define NXADDR 2 /* External addresses in inode. */ -#define NDADDR 12 /* Direct addresses in inode. */ -#define NIADDR 3 /* Indirect addresses in inode. */ - -struct ufs2_dinode { - uint16_t di_mode; /* 0: IFMT, permissions; see below. */ - int16_t di_nlink; /* 2: File link count. */ - uint32_t di_uid; /* 4: File owner. */ - uint32_t di_gid; /* 8: File group. */ - uint32_t di_blksize; /* 12: Inode blocksize. */ - uint64_t di_size; /* 16: File byte count. */ - uint64_t di_blocks; /* 24: Bytes actually held. */ - ufs_time_t di_atime; /* 32: Last access time. */ - ufs_time_t di_mtime; /* 40: Last modified time. */ - ufs_time_t di_ctime; /* 48: Last inode change time. */ - ufs_time_t di_birthtime; /* 56: Inode creation time. */ - int32_t di_mtimensec; /* 64: Last modified time. */ - int32_t di_atimensec; /* 68: Last access time. */ - int32_t di_ctimensec; /* 72: Last inode change time. */ - int32_t di_birthnsec; /* 76: Inode creation time. */ - int32_t di_gen; /* 80: Generation number. */ - uint32_t di_kernflags; /* 84: Kernel flags. */ - uint32_t di_flags; /* 88: Status flags (chflags). */ - int32_t di_extsize; /* 92: External attributes block. */ - ufs2_daddr_t di_extb[NXADDR];/* 96: External attributes block. */ - ufs2_daddr_t di_db[NDADDR]; /* 112: Direct disk blocks. */ - ufs2_daddr_t di_ib[NIADDR]; /* 208: Indirect disk blocks. */ - int64_t di_spare[3]; /* 232: Reserved; currently unused */ -}; - -/* - * The di_db fields may be overlaid with other information for - * file types that do not have associated disk storage. Block - * and character devices overlay the first data block with their - * dev_t value. Short symbolic links place their path in the - * di_db area. - */ -#define di_rdev di_db[0] - -/* - * A UFS1 dinode contains all the meta-data associated with a UFS1 file. - * This structure defines the on-disk format of a UFS1 dinode. Since - * this structure describes an on-disk structure, all its fields - * are defined by types with precise widths. - */ -struct ufs1_dinode { - uint16_t di_mode; /* 0: IFMT, permissions; see below. */ - int16_t di_nlink; /* 2: File link count. */ - union { - uint16_t oldids[2]; /* 4: Ffs: old user and group ids. */ - } di_u; - uint64_t di_size; /* 8: File byte count. */ - int32_t di_atime; /* 16: Last access time. */ - int32_t di_atimensec; /* 20: Last access time. */ - int32_t di_mtime; /* 24: Last modified time. */ - int32_t di_mtimensec; /* 28: Last modified time. */ - int32_t di_ctime; /* 32: Last inode change time. */ - int32_t di_ctimensec; /* 36: Last inode change time. */ - ufs1_daddr_t di_db[NDADDR]; /* 40: Direct disk blocks. */ - ufs1_daddr_t di_ib[NIADDR]; /* 88: Indirect disk blocks. */ - uint32_t di_flags; /* 100: Status flags (chflags). */ - int32_t di_blocks; /* 104: Blocks actually held. */ - int32_t di_gen; /* 108: Generation number. */ - uint32_t di_uid; /* 112: File owner. */ - uint32_t di_gid; /* 116: File group. */ - int32_t di_spare[2]; /* 120: Reserved; currently unused */ -}; -#define di_ogid di_u.oldids[1] -#define di_ouid di_u.oldids[0] - -#endif /* _UFS_UFS_DINODE_H_ */ diff --git a/qemu/roms/openbios/fs/grubfs/ufs_fs.h b/qemu/roms/openbios/fs/grubfs/ufs_fs.h deleted file mode 100644 index bd11cc968..000000000 --- a/qemu/roms/openbios/fs/grubfs/ufs_fs.h +++ /dev/null @@ -1,635 +0,0 @@ -/*- - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)fs.h 8.13 (Berkeley) 3/21/95 - * $FreeBSD: src/sys/ufs/ffs/fs.h,v 1.43.2.3 2005/02/28 16:04:53 delphij Exp $ - */ - -#ifndef _UFS_FFS_FS_H_ -#define _UFS_FFS_FS_H_ - -/* - * Each disk drive contains some number of filesystems. - * A filesystem consists of a number of cylinder groups. - * Each cylinder group has inodes and data. - * - * A filesystem is described by its super-block, which in turn - * describes the cylinder groups. The super-block is critical - * data and is replicated in each cylinder group to protect against - * catastrophic loss. This is done at `newfs' time and the critical - * super-block data does not change, so the copies need not be - * referenced further unless disaster strikes. - * - * For filesystem fs, the offsets of the various blocks of interest - * are given in the super block as: - * [fs->fs_sblkno] Super-block - * [fs->fs_cblkno] Cylinder group block - * [fs->fs_iblkno] Inode blocks - * [fs->fs_dblkno] Data blocks - * The beginning of cylinder group cg in fs, is given by - * the ``cgbase(fs, cg)'' macro. - * - * Depending on the architecture and the media, the superblock may - * reside in any one of four places. For tiny media where every block - * counts, it is placed at the very front of the partition. Historically, - * UFS1 placed it 8K from the front to leave room for the disk label and - * a small bootstrap. For UFS2 it got moved to 64K from the front to leave - * room for the disk label and a bigger bootstrap, and for really piggy - * systems we check at 256K from the front if the first three fail. In - * all cases the size of the superblock will be SBLOCKSIZE. All values are - * given in byte-offset form, so they do not imply a sector size. The - * SBLOCKSEARCH specifies the order in which the locations should be searched. - */ -#define SBLOCK_FLOPPY 0 -#define SBLOCK_UFS1 8192 -#define SBLOCK_UFS2 65536 -#define SBLOCK_PIGGY 262144 -#define SBLOCKSIZE 8192 -#define SBLOCKSEARCH \ - { SBLOCK_UFS2, SBLOCK_UFS1, SBLOCK_FLOPPY, SBLOCK_PIGGY, -1 } - -/* - * Max number of fragments per block. This value is NOT tweakable. - */ -#define MAXFRAG 8 - -/* - * Addresses stored in inodes are capable of addressing fragments - * of `blocks'. File system blocks of at most size MAXBSIZE can - * be optionally broken into 2, 4, or 8 pieces, each of which is - * addressable; these pieces may be DEV_BSIZE, or some multiple of - * a DEV_BSIZE unit. - * - * Large files consist of exclusively large data blocks. To avoid - * undue wasted disk space, the last data block of a small file may be - * allocated as only as many fragments of a large block as are - * necessary. The filesystem format retains only a single pointer - * to such a fragment, which is a piece of a single large block that - * has been divided. The size of such a fragment is determinable from - * information in the inode, using the ``blksize(fs, ip, lbn)'' macro. - * - * The filesystem records space availability at the fragment level; - * to determine block availability, aligned fragments are examined. - */ - -/* - * MINBSIZE is the smallest allowable block size. - * In order to insure that it is possible to create files of size - * 2^32 with only two levels of indirection, MINBSIZE is set to 4096. - * MINBSIZE must be big enough to hold a cylinder group block, - * thus changes to (struct cg) must keep its size within MINBSIZE. - * Note that super blocks are always of size SBSIZE, - * and that both SBSIZE and MAXBSIZE must be >= MINBSIZE. - */ -#define MINBSIZE 4096 - -/* - * The path name on which the filesystem is mounted is maintained - * in fs_fsmnt. MAXMNTLEN defines the amount of space allocated in - * the super block for this name. - */ -#define MAXMNTLEN 468 - -/* - * The volume name for this filesystem is maintained in fs_volname. - * MAXVOLLEN defines the length of the buffer allocated. - */ -#define MAXVOLLEN 32 - -/* - * There is a 128-byte region in the superblock reserved for in-core - * pointers to summary information. Originally this included an array - * of pointers to blocks of struct csum; now there are just a few - * pointers and the remaining space is padded with fs_ocsp[]. - * - * NOCSPTRS determines the size of this padding. One pointer (fs_csp) - * is taken away to point to a contiguous array of struct csum for - * all cylinder groups; a second (fs_maxcluster) points to an array - * of cluster sizes that is computed as cylinder groups are inspected, - * and the third points to an array that tracks the creation of new - * directories. A fourth pointer, fs_active, is used when creating - * snapshots; it points to a bitmap of cylinder groups for which the - * free-block bitmap has changed since the snapshot operation began. - */ -#define NOCSPTRS ((128 / sizeof(void *)) - 4) - -/* - * A summary of contiguous blocks of various sizes is maintained - * in each cylinder group. Normally this is set by the initial - * value of fs_maxcontig. To conserve space, a maximum summary size - * is set by FS_MAXCONTIG. - */ -#define FS_MAXCONTIG 16 - -/* - * MINFREE gives the minimum acceptable percentage of filesystem - * blocks which may be free. If the freelist drops below this level - * only the superuser may continue to allocate blocks. This may - * be set to 0 if no reserve of free blocks is deemed necessary, - * however throughput drops by fifty percent if the filesystem - * is run at between 95% and 100% full; thus the minimum default - * value of fs_minfree is 5%. However, to get good clustering - * performance, 10% is a better choice. hence we use 10% as our - * default value. With 10% free space, fragmentation is not a - * problem, so we choose to optimize for time. - */ -#define MINFREE 8 -#define DEFAULTOPT FS_OPTTIME - -/* - * Grigoriy Orlov <gluk@ptci.ru> has done some extensive work to fine - * tune the layout preferences for directories within a filesystem. - * His algorithm can be tuned by adjusting the following parameters - * which tell the system the average file size and the average number - * of files per directory. These defaults are well selected for typical - * filesystems, but may need to be tuned for odd cases like filesystems - * being used for squid caches or news spools. - */ -#define AVFILESIZ 16384 /* expected average file size */ -#define AFPDIR 64 /* expected number of files per directory */ - -/* - * The maximum number of snapshot nodes that can be associated - * with each filesystem. This limit affects only the number of - * snapshot files that can be recorded within the superblock so - * that they can be found when the filesystem is mounted. However, - * maintaining too many will slow the filesystem performance, so - * having this limit is a good idea. - */ -#define FSMAXSNAP 20 - -/* - * Used to identify special blocks in snapshots: - * - * BLK_NOCOPY - A block that was unallocated at the time the snapshot - * was taken, hence does not need to be copied when written. - * BLK_SNAP - A block held by another snapshot that is not needed by this - * snapshot. When the other snapshot is freed, the BLK_SNAP entries - * are converted to BLK_NOCOPY. These are needed to allow fsck to - * identify blocks that are in use by other snapshots (which are - * expunged from this snapshot). - */ -#define BLK_NOCOPY ((ufs2_daddr_t)(1)) -#define BLK_SNAP ((ufs2_daddr_t)(2)) - -/* - * Sysctl values for the fast filesystem. - */ -#define FFS_ADJ_REFCNT 1 /* adjust inode reference count */ -#define FFS_ADJ_BLKCNT 2 /* adjust inode used block count */ -#define FFS_BLK_FREE 3 /* free range of blocks in map */ -#define FFS_DIR_FREE 4 /* free specified dir inodes in map */ -#define FFS_FILE_FREE 5 /* free specified file inodes in map */ -#define FFS_SET_FLAGS 6 /* set filesystem flags */ -#define FFS_ADJ_NDIR 7 /* adjust number of directories */ -#define FFS_ADJ_NBFREE 8 /* adjust number of free blocks */ -#define FFS_ADJ_NIFREE 9 /* adjust number of free inodes */ -#define FFS_ADJ_NFFREE 10 /* adjust number of free frags */ -#define FFS_ADJ_NUMCLUSTERS 11 /* adjust number of free clusters */ -#define FFS_MAXID 12 /* number of valid ffs ids */ - -/* - * Command structure passed in to the filesystem to adjust filesystem values. - */ -#define FFS_CMD_VERSION 0x19790518 /* version ID */ -struct fsck_cmd { - int32_t version; /* version of command structure */ - int32_t handle; /* reference to filesystem to be changed */ - int64_t value; /* inode or block number to be affected */ - int64_t size; /* amount or range to be adjusted */ - int64_t spare; /* reserved for future use */ -}; - -/* - * Per cylinder group information; summarized in blocks allocated - * from first cylinder group data blocks. These blocks have to be - * read in from fs_csaddr (size fs_cssize) in addition to the - * super block. - */ -struct csum { - int32_t cs_ndir; /* number of directories */ - int32_t cs_nbfree; /* number of free blocks */ - int32_t cs_nifree; /* number of free inodes */ - int32_t cs_nffree; /* number of free frags */ -}; -struct csum_total { - int64_t cs_ndir; /* number of directories */ - int64_t cs_nbfree; /* number of free blocks */ - int64_t cs_nifree; /* number of free inodes */ - int64_t cs_nffree; /* number of free frags */ - int64_t cs_numclusters; /* number of free clusters */ - int64_t cs_spare[3]; /* future expansion */ -}; - -/* - * Super block for an FFS filesystem. - */ -struct fs { - int32_t fs_firstfield; /* historic filesystem linked list, */ - int32_t fs_unused_1; /* used for incore super blocks */ - int32_t fs_sblkno; /* offset of super-block in filesys */ - int32_t fs_cblkno; /* offset of cyl-block in filesys */ - int32_t fs_iblkno; /* offset of inode-blocks in filesys */ - int32_t fs_dblkno; /* offset of first data after cg */ - int32_t fs_old_cgoffset; /* cylinder group offset in cylinder */ - int32_t fs_old_cgmask; /* used to calc mod fs_ntrak */ - int32_t fs_old_time; /* last time written */ - int32_t fs_old_size; /* number of blocks in fs */ - int32_t fs_old_dsize; /* number of data blocks in fs */ - int32_t fs_ncg; /* number of cylinder groups */ - int32_t fs_bsize; /* size of basic blocks in fs */ - int32_t fs_fsize; /* size of frag blocks in fs */ - int32_t fs_frag; /* number of frags in a block in fs */ -/* these are configuration parameters */ - int32_t fs_minfree; /* minimum percentage of free blocks */ - int32_t fs_old_rotdelay; /* num of ms for optimal next block */ - int32_t fs_old_rps; /* disk revolutions per second */ -/* these fields can be computed from the others */ - int32_t fs_bmask; /* ``blkoff'' calc of blk offsets */ - int32_t fs_fmask; /* ``fragoff'' calc of frag offsets */ - int32_t fs_bshift; /* ``lblkno'' calc of logical blkno */ - int32_t fs_fshift; /* ``numfrags'' calc number of frags */ -/* these are configuration parameters */ - int32_t fs_maxcontig; /* max number of contiguous blks */ - int32_t fs_maxbpg; /* max number of blks per cyl group */ -/* these fields can be computed from the others */ - int32_t fs_fragshift; /* block to frag shift */ - int32_t fs_fsbtodb; /* fsbtodb and dbtofsb shift constant */ - int32_t fs_sbsize; /* actual size of super block */ - int32_t fs_spare1[2]; /* old fs_csmask */ - /* old fs_csshift */ - int32_t fs_nindir; /* value of NINDIR */ - int32_t fs_inopb; /* value of INOPB */ - int32_t fs_old_nspf; /* value of NSPF */ -/* yet another configuration parameter */ - int32_t fs_optim; /* optimization preference, see below */ - int32_t fs_old_npsect; /* # sectors/track including spares */ - int32_t fs_old_interleave; /* hardware sector interleave */ - int32_t fs_old_trackskew; /* sector 0 skew, per track */ - int32_t fs_id[2]; /* unique filesystem id */ -/* sizes determined by number of cylinder groups and their sizes */ - int32_t fs_old_csaddr; /* blk addr of cyl grp summary area */ - int32_t fs_cssize; /* size of cyl grp summary area */ - int32_t fs_cgsize; /* cylinder group size */ - int32_t fs_spare2; /* old fs_ntrak */ - int32_t fs_old_nsect; /* sectors per track */ - int32_t fs_old_spc; /* sectors per cylinder */ - int32_t fs_old_ncyl; /* cylinders in filesystem */ - int32_t fs_old_cpg; /* cylinders per group */ - int32_t fs_ipg; /* inodes per group */ - int32_t fs_fpg; /* blocks per group * fs_frag */ -/* this data must be re-computed after crashes */ - struct csum fs_old_cstotal; /* cylinder summary information */ -/* these fields are cleared at mount time */ - int8_t fs_fmod; /* super block modified flag */ - int8_t fs_clean; /* filesystem is clean flag */ - int8_t fs_ronly; /* mounted read-only flag */ - int8_t fs_old_flags; /* old FS_ flags */ - char fs_fsmnt[MAXMNTLEN]; /* name mounted on */ - char fs_volname[MAXVOLLEN]; /* volume name */ - uint64_t fs_swuid; /* system-wide uid */ - int32_t fs_pad; /* due to alignment of fs_swuid */ -/* these fields retain the current block allocation info */ - int32_t fs_cgrotor; /* last cg searched */ - void *fs_ocsp[NOCSPTRS]; /* padding; was list of fs_cs buffers */ - uint8_t *fs_contigdirs; /* # of contiguously allocated dirs */ - struct csum *fs_csp; /* cg summary info buffer for fs_cs */ - int32_t *fs_maxcluster; /* max cluster in each cyl group */ - unsigned int *fs_active; /* used by snapshots to track fs */ - int32_t fs_old_cpc; /* cyl per cycle in postbl */ - int32_t fs_maxbsize; /* maximum blocking factor permitted */ - int64_t fs_sparecon64[17]; /* old rotation block list head */ - int64_t fs_sblockloc; /* byte offset of standard superblock */ - struct csum_total fs_cstotal; /* cylinder summary information */ - ufs_time_t fs_time; /* last time written */ - int64_t fs_size; /* number of blocks in fs */ - int64_t fs_dsize; /* number of data blocks in fs */ - ufs2_daddr_t fs_csaddr; /* blk addr of cyl grp summary area */ - int64_t fs_pendingblocks; /* blocks in process of being freed */ - int32_t fs_pendinginodes; /* inodes in process of being freed */ - int32_t fs_snapinum[FSMAXSNAP];/* list of snapshot inode numbers */ - int32_t fs_avgfilesize; /* expected average file size */ - int32_t fs_avgfpdir; /* expected # of files per directory */ - int32_t fs_save_cgsize; /* save real cg size to use fs_bsize */ - int32_t fs_sparecon32[26]; /* reserved for future constants */ - int32_t fs_flags; /* see FS_ flags below */ - int32_t fs_contigsumsize; /* size of cluster summary array */ - int32_t fs_maxsymlinklen; /* max length of an internal symlink */ - int32_t fs_old_inodefmt; /* format of on-disk inodes */ - uint64_t fs_maxfilesize; /* maximum representable file size */ - int64_t fs_qbmask; /* ~fs_bmask for use with 64-bit size */ - int64_t fs_qfmask; /* ~fs_fmask for use with 64-bit size */ - int32_t fs_state; /* validate fs_clean field */ - int32_t fs_old_postblformat; /* format of positional layout tables */ - int32_t fs_old_nrpos; /* number of rotational positions */ - int32_t fs_spare5[2]; /* old fs_postbloff */ - /* old fs_rotbloff */ - int32_t fs_magic; /* magic number */ -}; - -/* Sanity checking. */ -#ifdef CTASSERT -CTASSERT(sizeof(struct fs) == 1376); -#endif - -/* - * Filesystem identification - */ -#define FS_UFS1_MAGIC 0x011954 /* UFS1 fast filesystem magic number */ -#define FS_UFS2_MAGIC 0x19540119 /* UFS2 fast filesystem magic number */ -#define FS_BAD_MAGIC 0x19960408 /* UFS incomplete newfs magic number */ -#define FS_OKAY 0x7c269d38 /* superblock checksum */ -#define FS_42INODEFMT -1 /* 4.2BSD inode format */ -#define FS_44INODEFMT 2 /* 4.4BSD inode format */ - -/* - * Preference for optimization. - */ -#define FS_OPTTIME 0 /* minimize allocation time */ -#define FS_OPTSPACE 1 /* minimize disk fragmentation */ - -/* - * Filesystem flags. - * - * The FS_UNCLEAN flag is set by the kernel when the filesystem was - * mounted with fs_clean set to zero. The FS_DOSOFTDEP flag indicates - * that the filesystem should be managed by the soft updates code. - * Note that the FS_NEEDSFSCK flag is set and cleared only by the - * fsck utility. It is set when background fsck finds an unexpected - * inconsistency which requires a traditional foreground fsck to be - * run. Such inconsistencies should only be found after an uncorrectable - * disk error. A foreground fsck will clear the FS_NEEDSFSCK flag when - * it has successfully cleaned up the filesystem. The kernel uses this - * flag to enforce that inconsistent filesystems be mounted read-only. - * The FS_INDEXDIRS flag when set indicates that the kernel maintains - * on-disk auxiliary indexes (such as B-trees) for speeding directory - * accesses. Kernels that do not support auxiliary indicies clear the - * flag to indicate that the indicies need to be rebuilt (by fsck) before - * they can be used. - * - * FS_ACLS indicates that ACLs are administratively enabled for the - * file system, so they should be loaded from extended attributes, - * observed for access control purposes, and be administered by object - * owners. FS_MULTILABEL indicates that the TrustedBSD MAC Framework - * should attempt to back MAC labels into extended attributes on the - * file system rather than maintain a single mount label for all - * objects. - */ -#define FS_UNCLEAN 0x01 /* filesystem not clean at mount */ -#define FS_DOSOFTDEP 0x02 /* filesystem using soft dependencies */ -#define FS_NEEDSFSCK 0x04 /* filesystem needs sync fsck before mount */ -#define FS_INDEXDIRS 0x08 /* kernel supports indexed directories */ -#define FS_ACLS 0x10 /* file system has ACLs enabled */ -#define FS_MULTILABEL 0x20 /* file system is MAC multi-label */ -#define FS_FLAGS_UPDATED 0x80 /* flags have been moved to new location */ - -/* - * Macros to access bits in the fs_active array. - */ -#define ACTIVECGNUM(fs, cg) ((fs)->fs_active[(cg) / (NBBY * sizeof(int))]) -#define ACTIVECGOFF(cg) (1 << ((cg) % (NBBY * sizeof(int)))) - -/* - * The size of a cylinder group is calculated by CGSIZE. The maximum size - * is limited by the fact that cylinder groups are at most one block. - * Its size is derived from the size of the maps maintained in the - * cylinder group and the (struct cg) size. - */ -#define CGSIZE(fs) \ - /* base cg */ (sizeof(struct cg) + sizeof(int32_t) + \ - /* old btotoff */ (fs)->fs_old_cpg * sizeof(int32_t) + \ - /* old boff */ (fs)->fs_old_cpg * sizeof(uint16_t) + \ - /* inode map */ howmany((fs)->fs_ipg, NBBY) + \ - /* block map */ howmany((fs)->fs_fpg, NBBY) +\ - /* if present */ ((fs)->fs_contigsumsize <= 0 ? 0 : \ - /* cluster sum */ (fs)->fs_contigsumsize * sizeof(int32_t) + \ - /* cluster map */ howmany(fragstoblks(fs, (fs)->fs_fpg), NBBY))) - -/* - * The minimal number of cylinder groups that should be created. - */ -#define MINCYLGRPS 4 - -/* - * Convert cylinder group to base address of its global summary info. - */ -#define fs_cs(fs, indx) fs_csp[indx] - -/* - * Cylinder group block for a filesystem. - */ -#define CG_MAGIC 0x090255 -struct cg { - int32_t cg_firstfield; /* historic cyl groups linked list */ - int32_t cg_magic; /* magic number */ - int32_t cg_old_time; /* time last written */ - int32_t cg_cgx; /* we are the cgx'th cylinder group */ - int16_t cg_old_ncyl; /* number of cyl's this cg */ - int16_t cg_old_niblk; /* number of inode blocks this cg */ - int32_t cg_ndblk; /* number of data blocks this cg */ - struct csum cg_cs; /* cylinder summary information */ - int32_t cg_rotor; /* position of last used block */ - int32_t cg_frotor; /* position of last used frag */ - int32_t cg_irotor; /* position of last used inode */ - int32_t cg_frsum[MAXFRAG]; /* counts of available frags */ - int32_t cg_old_btotoff; /* (int32) block totals per cylinder */ - int32_t cg_old_boff; /* (uint16) free block positions */ - int32_t cg_iusedoff; /* (uint8) used inode map */ - int32_t cg_freeoff; /* (uint8) free block map */ - int32_t cg_nextfreeoff; /* (uint8) next available space */ - int32_t cg_clustersumoff; /* (uint32) counts of avail clusters */ - int32_t cg_clusteroff; /* (uint8) free cluster map */ - int32_t cg_nclusterblks; /* number of clusters this cg */ - int32_t cg_niblk; /* number of inode blocks this cg */ - int32_t cg_initediblk; /* last initialized inode */ - int32_t cg_sparecon32[3]; /* reserved for future use */ - ufs_time_t cg_time; /* time last written */ - int64_t cg_sparecon64[3]; /* reserved for future use */ - uint8_t cg_space[1]; /* space for cylinder group maps */ -/* actually longer */ -}; - -/* - * Macros for access to cylinder group array structures - */ -#define cg_chkmagic(cgp) ((cgp)->cg_magic == CG_MAGIC) -#define cg_inosused(cgp) \ - ((uint8_t *)((uint8_t *)(cgp) + (cgp)->cg_iusedoff)) -#define cg_blksfree(cgp) \ - ((uint8_t *)((uint8_t *)(cgp) + (cgp)->cg_freeoff)) -#define cg_clustersfree(cgp) \ - ((uint8_t *)((uint8_t *)(cgp) + (cgp)->cg_clusteroff)) -#define cg_clustersum(cgp) \ - ((int32_t *)((uintptr_t)(cgp) + (cgp)->cg_clustersumoff)) - -/* - * Turn filesystem block numbers into disk block addresses. - * This maps filesystem blocks to device size blocks. - */ -#define fsbtodb(fs, b) ((b) << (fs)->fs_fsbtodb) -#define dbtofsb(fs, b) ((b) >> (fs)->fs_fsbtodb) - -/* - * Cylinder group macros to locate things in cylinder groups. - * They calc filesystem addresses of cylinder group data structures. - */ -#define cgbase(fs, c) (((ufs2_daddr_t)(fs)->fs_fpg) * (c)) -#define cgdmin(fs, c) (cgstart(fs, c) + (fs)->fs_dblkno) /* 1st data */ -#define cgimin(fs, c) (cgstart(fs, c) + (fs)->fs_iblkno) /* inode blk */ -#define cgsblock(fs, c) (cgstart(fs, c) + (fs)->fs_sblkno) /* super blk */ -#define cgtod(fs, c) (cgstart(fs, c) + (fs)->fs_cblkno) /* cg block */ -#define cgstart(fs, c) \ - ((fs)->fs_magic == FS_UFS2_MAGIC ? cgbase(fs, c) : \ - (cgbase(fs, c) + (fs)->fs_old_cgoffset * ((c) & ~((fs)->fs_old_cgmask)))) - -/* - * Macros for handling inode numbers: - * inode number to filesystem block offset. - * inode number to cylinder group number. - * inode number to filesystem block address. - */ -#define ino_to_cg(fs, x) ((x) / (fs)->fs_ipg) -#define ino_to_fsba(fs, x) \ - ((ufs2_daddr_t)(cgimin(fs, ino_to_cg(fs, x)) + \ - (blkstofrags((fs), (((x) % (fs)->fs_ipg) / INOPB(fs)))))) -#define ino_to_fsbo(fs, x) ((x) % INOPB(fs)) - -/* - * Give cylinder group number for a filesystem block. - * Give cylinder group block number for a filesystem block. - */ -#define dtog(fs, d) ((d) / (fs)->fs_fpg) -#define dtogd(fs, d) ((d) % (fs)->fs_fpg) - -/* - * Extract the bits for a block from a map. - * Compute the cylinder and rotational position of a cyl block addr. - */ -#define blkmap(fs, map, loc) \ - (((map)[(loc) / NBBY] >> ((loc) % NBBY)) & (0xff >> (NBBY - (fs)->fs_frag))) - -/* - * The following macros optimize certain frequently calculated - * quantities by using shifts and masks in place of divisions - * modulos and multiplications. - */ -#define blkoff(fs, loc) /* calculates (loc % fs->fs_bsize) */ \ - ((loc) & (fs)->fs_qbmask) -#define fragoff(fs, loc) /* calculates (loc % fs->fs_fsize) */ \ - ((loc) & (fs)->fs_qfmask) -#define lfragtosize(fs, frag) /* calculates ((off_t)frag * fs->fs_fsize) */ \ - (((off_t)(frag)) << (fs)->fs_fshift) -#define lblktosize(fs, blk) /* calculates ((off_t)blk * fs->fs_bsize) */ \ - (((off_t)(blk)) << (fs)->fs_bshift) -/* Use this only when `blk' is known to be small, e.g., < NDADDR. */ -#define smalllblktosize(fs, blk) /* calculates (blk * fs->fs_bsize) */ \ - ((blk) << (fs)->fs_bshift) -#define lblkno(fs, loc) /* calculates (loc / fs->fs_bsize) */ \ - ((loc) >> (fs)->fs_bshift) -#define numfrags(fs, loc) /* calculates (loc / fs->fs_fsize) */ \ - ((loc) >> (fs)->fs_fshift) -#define blkroundup(fs, size) /* calculates roundup(size, fs->fs_bsize) */ \ - (((size) + (fs)->fs_qbmask) & (fs)->fs_bmask) -#define fragroundup(fs, size) /* calculates roundup(size, fs->fs_fsize) */ \ - (((size) + (fs)->fs_qfmask) & (fs)->fs_fmask) -#define fragstoblks(fs, frags) /* calculates (frags / fs->fs_frag) */ \ - ((frags) >> (fs)->fs_fragshift) -#define blkstofrags(fs, blks) /* calculates (blks * fs->fs_frag) */ \ - ((blks) << (fs)->fs_fragshift) -#define fragnum(fs, fsb) /* calculates (fsb % fs->fs_frag) */ \ - ((fsb) & ((fs)->fs_frag - 1)) -#define blknum(fs, fsb) /* calculates rounddown(fsb, fs->fs_frag) */ \ - ((fsb) &~ ((fs)->fs_frag - 1)) - -/* - * Determine the number of available frags given a - * percentage to hold in reserve. - */ -#define freespace(fs, percentreserved) \ - (blkstofrags((fs), (fs)->fs_cstotal.cs_nbfree) + \ - (fs)->fs_cstotal.cs_nffree - \ - (((off_t)((fs)->fs_dsize)) * (percentreserved) / 100)) - -/* - * Determining the size of a file block in the filesystem. - */ -#define blksize(fs, ip, lbn) \ - (((lbn) >= NDADDR || (ip)->i_size >= smalllblktosize(fs, (lbn) + 1)) \ - ? (fs)->fs_bsize \ - : (fragroundup(fs, blkoff(fs, (ip)->i_size)))) -#define sblksize(fs, size, lbn) \ - (((lbn) >= NDADDR || (size) >= ((lbn) + 1) << (fs)->fs_bshift) \ - ? (fs)->fs_bsize \ - : (fragroundup(fs, blkoff(fs, (size))))) - - -/* - * Number of inodes in a secondary storage block/fragment. - */ -#define INOPB(fs) ((fs)->fs_inopb) -#define INOPF(fs) ((fs)->fs_inopb >> (fs)->fs_fragshift) - -/* - * Number of indirects in a filesystem block. - */ -#define NINDIR(fs) ((fs)->fs_nindir) - -extern int inside[], around[]; -extern char *fragtbl[]; - -struct ufs_dirent { - uint32_t d_fileno; /* file number of entry */ - uint16_t d_reclen; /* length of this record */ - uint8_t d_type; /* file type, see below */ - uint8_t d_namlen; /* length of string in d_name */ -#define MAXNAMLEN 255 - char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */ -}; - -/* - * File types - */ -#define DT_UNKNOWN 0 -#define DT_FIFO 1 -#define DT_CHR 2 -#define DT_DIR 4 -#define DT_BLK 6 -#define DT_REG 8 -#define DT_LNK 10 -#define DT_SOCK 12 -#define DT_WHT 14 - -/* XXX: We hardcode BSIZE and BSIZE_SHIFT here. fsys_ffs seems to do the same, - * so we should get away with it :-) */ -#define DEV_BSIZE 512 -#define DEV_BSHIFT 9 /* 2**9 = 512 */ -#define MAXBSIZE 8192 - -typedef unsigned int ino_t; - -#endif diff --git a/qemu/roms/openbios/fs/grubfs/vstafs.h b/qemu/roms/openbios/fs/grubfs/vstafs.h deleted file mode 100644 index f240ffc4a..000000000 --- a/qemu/roms/openbios/fs/grubfs/vstafs.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - - -#ifndef VSTAFS_H -#define VSTAFS_H 1 - - -#define LINE 16 -#define BLOCK_SIZE 512 -#define VSTAFS_START_DATA 320 - -struct bootrecord -{ - unsigned char flag; - unsigned char s_sector; - unsigned char s_head; - unsigned char s_cylinder; - unsigned char p_type; - unsigned char e_sector; - unsigned char e_head; - unsigned char e_cylinder; - unsigned long start_lba; - unsigned long nr_sector_lba; -}; - -struct alloc -{ - unsigned long a_start; - unsigned long a_len; -}; - -struct first_sector -{ - unsigned long fs_magic; - unsigned long fs_size; - unsigned long fs_extsize; - unsigned long fs_free; - struct alloc fs_freesecs[0]; -}; - -struct prot -{ - unsigned char len; - unsigned char pdefault; - unsigned char id[7]; - unsigned char bits[7]; -}; - -struct fs_file -{ - unsigned long prev; - unsigned long rev; - unsigned long len; - unsigned short type; - unsigned short nlink; - struct prot pprot; - unsigned int owner; - unsigned int extents; - struct alloc blocks[32]; - long fs_ctime, fs_mtime; /* it is not lon but time_t */ - char pad[16]; - char data[0]; -}; - -struct dir_entry -{ - char name[28]; - unsigned long start; -}; - -#endif /* ! VSTAFS_H */ diff --git a/qemu/roms/openbios/fs/grubfs/xfs.h b/qemu/roms/openbios/fs/grubfs/xfs.h deleted file mode 100644 index 0ed07042c..000000000 --- a/qemu/roms/openbios/fs/grubfs/xfs.h +++ /dev/null @@ -1,546 +0,0 @@ -/* xfs.h - an extraction from xfsprogs-1.3.5/include/xfs* into one file */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved. - * Copyright (C) 2001 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ - */ - -#ifndef _BITS_TYPES_H -typedef signed char __int8_t; -typedef unsigned char __uint8_t; -typedef short __int16_t; -typedef unsigned short __uint16_t; -typedef int __int32_t; -typedef unsigned int __uint32_t; -typedef long long __int64_t; -typedef unsigned long long __uint64_t; -#endif - -typedef __uint64_t xfs_ino_t; -typedef __uint32_t xfs_agino_t; -typedef __int64_t xfs_daddr_t; -typedef __int64_t xfs_off_t; -typedef __uint8_t uuid_t[16]; - - -/* those are from xfs_types.h */ - -typedef __uint32_t xfs_agblock_t; /* blockno in alloc. group */ -typedef __uint32_t xfs_extlen_t; /* extent length in blocks */ -typedef __uint32_t xfs_agnumber_t; /* allocation group number */ -typedef __int32_t xfs_extnum_t; /* # of extents in a file */ -typedef __int16_t xfs_aextnum_t; /* # extents in an attribute fork */ -typedef __int64_t xfs_fsize_t; /* bytes in a file */ - -typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */ -typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */ - -/* - * Disk based types: - */ -typedef __uint64_t xfs_dfsbno_t; /* blockno in filesystem (agno|agbno) */ -typedef __uint64_t xfs_drfsbno_t; /* blockno in filesystem (raw) */ -typedef __uint64_t xfs_drtbno_t; /* extent (block) in realtime area */ -typedef __uint64_t xfs_dfiloff_t; /* block number in a file */ - -typedef __uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ -typedef __uint64_t xfs_fileoff_t; /* block number in a file */ -typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */ - - -/* those are from xfs_sb.h */ - -#define XFS_SB_MAGIC 0x58465342 /* 'XFSB'*/ -#define XFS_SB_VERSION_4 4 /* 6.2+ - bitmask version */ -#define XFS_SB_VERSION_NUMBITS 0x000f - -typedef struct xfs_sb -{ - __uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */ - __uint32_t sb_blocksize; /* logical block size, bytes */ - xfs_drfsbno_t sb_dblocks; /* number of data blocks */ - xfs_drfsbno_t sb_rblocks; /* number of realtime blocks */ - xfs_drtbno_t sb_rextents; /* number of realtime extents */ - uuid_t sb_uuid; /* file system unique id */ - xfs_dfsbno_t sb_logstart; /* starting block of log if internal */ - xfs_ino_t sb_rootino; /* root inode number */ - xfs_ino_t sb_rbmino; /* bitmap inode for realtime extents */ - xfs_ino_t sb_rsumino; /* summary inode for rt bitmap */ - xfs_agblock_t sb_rextsize; /* realtime extent size, blocks */ - xfs_agblock_t sb_agblocks; /* size of an allocation group */ - xfs_agnumber_t sb_agcount; /* number of allocation groups */ - xfs_extlen_t sb_rbmblocks; /* number of rt bitmap blocks */ - xfs_extlen_t sb_logblocks; /* number of log blocks */ - __uint16_t sb_versionnum; /* header version == XFS_SB_VERSION */ - __uint16_t sb_sectsize; /* volume sector size, bytes */ - __uint16_t sb_inodesize; /* inode size, bytes */ - __uint16_t sb_inopblock; /* inodes per block */ - char sb_fname[12]; /* file system name */ - __uint8_t sb_blocklog; /* log2 of sb_blocksize */ - __uint8_t sb_sectlog; /* log2 of sb_sectsize */ - __uint8_t sb_inodelog; /* log2 of sb_inodesize */ - __uint8_t sb_inopblog; /* log2 of sb_inopblock */ - __uint8_t sb_agblklog; /* log2 of sb_agblocks (rounded up) */ - __uint8_t sb_rextslog; /* log2 of sb_rextents */ - __uint8_t sb_inprogress; /* mkfs is in progress, don't mount */ - __uint8_t sb_imax_pct; /* max % of fs for inode space */ - /* statistics */ - /* - * These fields must remain contiguous. If you really - * want to change their layout, make sure you fix the - * code in xfs_trans_apply_sb_deltas(). - */ - __uint64_t sb_icount; /* allocated inodes */ - __uint64_t sb_ifree; /* free inodes */ - __uint64_t sb_fdblocks; /* free data blocks */ - __uint64_t sb_frextents; /* free realtime extents */ - /* - * End contiguous fields. - */ - xfs_ino_t sb_uquotino; /* user quota inode */ - xfs_ino_t sb_gquotino; /* group quota inode */ - __uint16_t sb_qflags; /* quota flags */ - __uint8_t sb_flags; /* misc. flags */ - __uint8_t sb_shared_vn; /* shared version number */ - xfs_extlen_t sb_inoalignmt; /* inode chunk alignment, fsblocks */ - __uint32_t sb_unit; /* stripe or raid unit */ - __uint32_t sb_width; /* stripe or raid width */ - __uint8_t sb_dirblklog; /* log2 of dir block size (fsbs) */ - __uint8_t sb_dummy[7]; /* padding */ -} xfs_sb_t; - - -/* those are from xfs_btree.h */ - -/* - * Long form header: bmap btrees. - */ -typedef struct xfs_btree_lblock -{ - __uint32_t bb_magic; /* magic number for block type */ - __uint16_t bb_level; /* 0 is a leaf */ - __uint16_t bb_numrecs; /* current # of data records */ - xfs_dfsbno_t bb_leftsib; /* left sibling block or NULLDFSBNO */ - xfs_dfsbno_t bb_rightsib; /* right sibling block or NULLDFSBNO */ -} xfs_btree_lblock_t; - -/* - * Combined header and structure, used by common code. - */ -typedef struct xfs_btree_hdr -{ - __uint32_t bb_magic; /* magic number for block type */ - __uint16_t bb_level; /* 0 is a leaf */ - __uint16_t bb_numrecs; /* current # of data records */ -} xfs_btree_hdr_t; - -typedef struct xfs_btree_block -{ - xfs_btree_hdr_t bb_h; /* header */ - union { - struct { - xfs_agblock_t bb_leftsib; - xfs_agblock_t bb_rightsib; - } s; /* short form pointers */ - struct { - xfs_dfsbno_t bb_leftsib; - xfs_dfsbno_t bb_rightsib; - } l; /* long form pointers */ - } bb_u; /* rest */ -} xfs_btree_block_t; - -/* those are from xfs_bmap_btree.h */ - -/* - * Bmap root header, on-disk form only. - */ -typedef struct xfs_bmdr_block -{ - __uint16_t bb_level; /* 0 is a leaf */ - __uint16_t bb_numrecs; /* current # of data records */ -} xfs_bmdr_block_t; - -/* - * Bmap btree record and extent descriptor. - * For 32-bit kernels, - * l0:31 is an extent flag (value 1 indicates non-normal). - * l0:0-30 and l1:9-31 are startoff. - * l1:0-8, l2:0-31, and l3:21-31 are startblock. - * l3:0-20 are blockcount. - * For 64-bit kernels, - * l0:63 is an extent flag (value 1 indicates non-normal). - * l0:9-62 are startoff. - * l0:0-8 and l1:21-63 are startblock. - * l1:0-20 are blockcount. - */ - -#define BMBT_USE_64 1 - -typedef struct xfs_bmbt_rec_32 -{ - __uint32_t l0, l1, l2, l3; -} xfs_bmbt_rec_32_t; -typedef struct xfs_bmbt_rec_64 -{ - __uint64_t l0, l1; -} xfs_bmbt_rec_64_t; - -#if BMBT_USE_64 -typedef __uint64_t xfs_bmbt_rec_base_t; /* use this for casts */ -typedef xfs_bmbt_rec_64_t xfs_bmbt_rec_t, xfs_bmdr_rec_t; -#else /* !BMBT_USE_64 */ -typedef __uint32_t xfs_bmbt_rec_base_t; /* use this for casts */ -typedef xfs_bmbt_rec_32_t xfs_bmbt_rec_t, xfs_bmdr_rec_t; -#endif /* BMBT_USE_64 */ - -/* - * Key structure for non-leaf levels of the tree. - */ -typedef struct xfs_bmbt_key -{ - xfs_dfiloff_t br_startoff; /* starting file offset */ -} xfs_bmbt_key_t, xfs_bmdr_key_t; - -typedef xfs_dfsbno_t xfs_bmbt_ptr_t, xfs_bmdr_ptr_t; /* btree pointer type */ - /* btree block header type */ -typedef struct xfs_btree_lblock xfs_bmbt_block_t; - - -/* those are from xfs_dir2.h */ -/* - * Directory version 2. - * There are 4 possible formats: - * shortform - * single block - data with embedded leaf at the end - * multiple data blocks, single leaf+freeindex block - * data blocks, node&leaf blocks (btree), freeindex blocks - * - * The shortform format is in xfs_dir2_sf.h. - * The single block format is in xfs_dir2_block.h. - * The data block format is in xfs_dir2_data.h. - * The leaf and freeindex block formats are in xfs_dir2_leaf.h. - * Node blocks are the same as the other version, in xfs_da_btree.h. - */ - -/* - * Byte offset in data block and shortform entry. - */ -typedef __uint16_t xfs_dir2_data_off_t; - -/* - * Byte offset in a directory. - */ -typedef xfs_off_t xfs_dir2_off_t; - -/* those are from xfs_da_btree.h */ -/*======================================================================== - * Directory Structure when greater than XFS_LBSIZE(mp) bytes. - *========================================================================*/ - -/* - * This structure is common to both leaf nodes and non-leaf nodes in the Btree. - * - * Is is used to manage a doubly linked list of all blocks at the same - * level in the Btree, and to identify which type of block this is. - */ -#define XFS_DIR2_LEAF1_MAGIC 0xd2f1 /* magic number: v2 dirlf single blks */ -#define XFS_DIR2_LEAFN_MAGIC 0xd2ff /* magic number: v2 dirlf multi blks */ - -typedef struct xfs_da_blkinfo { - xfs_dablk_t forw; /* previous block in list */ - xfs_dablk_t back; /* following block in list */ - __uint16_t magic; /* validity check on block */ - __uint16_t pad; /* unused */ -} xfs_da_blkinfo_t; - -/* - * This is the structure of the root and intermediate nodes in the Btree. - * The leaf nodes are defined above. - * - * Entries are not packed. - * - * Since we have duplicate keys, use a binary search but always follow - * all match in the block, not just the first match found. - */ - -typedef struct xfs_da_intnode { - struct xfs_da_node_hdr { /* constant-structure header block */ - xfs_da_blkinfo_t info; /* block type, links, etc. */ - __uint16_t count; /* count of active entries */ - __uint16_t level; /* level above leaves (leaf == 0) */ - } hdr; - struct xfs_da_node_entry { - xfs_dahash_t hashval; /* hash value for this descendant */ - xfs_dablk_t before; /* Btree block before this key */ - } btree[1]; /* variable sized array of keys */ -} xfs_da_intnode_t; - - -/* those are from xfs_dir2_data.h */ -/* - * Directory format 2, data block structures. - */ - -/* - * Constants. - */ -#define XFS_DIR2_DATA_FREE_TAG 0xffff -#define XFS_DIR2_DATA_FD_COUNT 3 - -/* - * Structures. - */ - -/* - * Describe a free area in the data block. - * The freespace will be formatted as a xfs_dir2_data_unused_t. - */ -typedef struct xfs_dir2_data_free { - xfs_dir2_data_off_t offset; /* start of freespace */ - xfs_dir2_data_off_t length; /* length of freespace */ -} xfs_dir2_data_free_t; - -/* - * Header for the data blocks. - * Always at the beginning of a directory-sized block. - * The code knows that XFS_DIR2_DATA_FD_COUNT is 3. - */ -typedef struct xfs_dir2_data_hdr { - __uint32_t magic; /* XFS_DIR2_DATA_MAGIC */ - /* or XFS_DIR2_BLOCK_MAGIC */ - xfs_dir2_data_free_t bestfree[XFS_DIR2_DATA_FD_COUNT]; -} xfs_dir2_data_hdr_t; - -/* - * Active entry in a data block. Aligned to 8 bytes. - * Tag appears as the last 2 bytes. - */ -typedef struct xfs_dir2_data_entry { - xfs_ino_t inumber; /* inode number */ - __uint8_t namelen; /* name length */ - __uint8_t name[1]; /* name bytes, no null */ - /* variable offset */ - xfs_dir2_data_off_t tag; /* starting offset of us */ -} xfs_dir2_data_entry_t; - -/* - * Unused entry in a data block. Aligned to 8 bytes. - * Tag appears as the last 2 bytes. - */ -typedef struct xfs_dir2_data_unused { - __uint16_t freetag; /* XFS_DIR2_DATA_FREE_TAG */ - xfs_dir2_data_off_t length; /* total free length */ - /* variable offset */ - xfs_dir2_data_off_t tag; /* starting offset of us */ -} xfs_dir2_data_unused_t; - -typedef union { - xfs_dir2_data_entry_t entry; - xfs_dir2_data_unused_t unused; -} xfs_dir2_data_union_t; - - -/* those are from xfs_dir2_leaf.h */ -/* - * Directory version 2, leaf block structures. - */ - -/* - * Leaf block header. - */ -typedef struct xfs_dir2_leaf_hdr { - xfs_da_blkinfo_t info; /* header for da routines */ - __uint16_t count; /* count of entries */ - __uint16_t stale; /* count of stale entries */ -} xfs_dir2_leaf_hdr_t; - - -/* those are from xfs_dir2_block.h */ -/* - * xfs_dir2_block.h - * Directory version 2, single block format structures - */ - -/* - * The single block format is as follows: - * xfs_dir2_data_hdr_t structure - * xfs_dir2_data_entry_t and xfs_dir2_data_unused_t structures - * xfs_dir2_leaf_entry_t structures - * xfs_dir2_block_tail_t structure - */ - -#define XFS_DIR2_BLOCK_MAGIC 0x58443242 /* XD2B: for one block dirs */ - -typedef struct xfs_dir2_block_tail { - __uint32_t count; /* count of leaf entries */ - __uint32_t stale; /* count of stale lf entries */ -} xfs_dir2_block_tail_t; - - -/* those are from xfs_dir2_sf.h */ - -/* - * Directory layout when stored internal to an inode. - * - * Small directories are packed as tightly as possible so as to - * fit into the literal area of the inode. - */ - -/* - * Inode number stored as 8 8-bit values. - */ -typedef struct { __uint8_t i[8]; } xfs_dir2_ino8_t; - -/* - * Inode number stored as 4 8-bit values. - * Works a lot of the time, when all the inode numbers in a directory - * fit in 32 bits. - */ -typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t; - -typedef union { - xfs_dir2_ino8_t i8; - xfs_dir2_ino4_t i4; -} xfs_dir2_inou_t; - -/* - * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t. - * Only need 16 bits, this is the byte offset into the single block form. - */ -typedef struct { __uint8_t i[2]; } xfs_dir2_sf_off_t; - -/* - * The parent directory has a dedicated field, and the self-pointer must - * be calculated on the fly. - * - * Entries are packed toward the top as tightly as possible. The header - * and the elements must be bcopy()'d out into a work area to get correct - * alignment for the inode number fields. - */ -typedef struct xfs_dir2_sf_hdr { - __uint8_t count; /* count of entries */ - __uint8_t i8count; /* count of 8-byte inode #s */ - xfs_dir2_inou_t parent; /* parent dir inode number */ -} xfs_dir2_sf_hdr_t; - -typedef struct xfs_dir2_sf_entry { - __uint8_t namelen; /* actual name length */ - xfs_dir2_sf_off_t offset; /* saved offset */ - __uint8_t name[1]; /* name, variable size */ - xfs_dir2_inou_t inumber; /* inode number, var. offset */ -} xfs_dir2_sf_entry_t; - -typedef struct xfs_dir2_sf { - xfs_dir2_sf_hdr_t hdr; /* shortform header */ - xfs_dir2_sf_entry_t list[1]; /* shortform entries */ -} xfs_dir2_sf_t; - -/* those are from xfs_dinode.h */ - -#define XFS_DINODE_VERSION_1 1 -#define XFS_DINODE_VERSION_2 2 -#define XFS_DINODE_MAGIC 0x494e /* 'IN' */ - -/* - * Disk inode structure. - * This is just the header; the inode is expanded to fill a variable size - * with the last field expanding. It is split into the core and "other" - * because we only need the core part in the in-core inode. - */ -typedef struct xfs_timestamp { - __int32_t t_sec; /* timestamp seconds */ - __int32_t t_nsec; /* timestamp nanoseconds */ -} xfs_timestamp_t; - -/* - * Note: Coordinate changes to this structure with the XFS_DI_* #defines - * below and the offsets table in xfs_ialloc_log_di(). - */ -typedef struct xfs_dinode_core -{ - __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */ - __uint16_t di_mode; /* mode and type of file */ - __int8_t di_version; /* inode version */ - __int8_t di_format; /* format of di_c data */ - __uint16_t di_onlink; /* old number of links to file */ - __uint32_t di_uid; /* owner's user id */ - __uint32_t di_gid; /* owner's group id */ - __uint32_t di_nlink; /* number of links to file */ - __uint16_t di_projid; /* owner's project id */ - __uint8_t di_pad[10]; /* unused, zeroed space */ - xfs_timestamp_t di_atime; /* time last accessed */ - xfs_timestamp_t di_mtime; /* time last modified */ - xfs_timestamp_t di_ctime; /* time created/inode modified */ - xfs_fsize_t di_size; /* number of bytes in file */ - xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */ - xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ - xfs_extnum_t di_nextents; /* number of extents in data fork */ - xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ - __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ - __int8_t di_aformat; /* format of attr fork's data */ - __uint32_t di_dmevmask; /* DMIG event mask */ - __uint16_t di_dmstate; /* DMIG state info */ - __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ - __uint32_t di_gen; /* generation number */ -} xfs_dinode_core_t; - -typedef struct xfs_dinode -{ - xfs_dinode_core_t di_core; - xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */ - union { - xfs_bmdr_block_t di_bmbt; /* btree root block */ - xfs_bmbt_rec_32_t di_bmx[1]; /* extent list */ - xfs_dir2_sf_t di_dir2sf; /* shortform directory v2 */ - char di_c[1]; /* local contents */ - } di_u; -} xfs_dinode_t; - -/* - * Values for di_format - */ -typedef enum xfs_dinode_fmt -{ - XFS_DINODE_FMT_DEV, /* CHR, BLK: di_dev */ - XFS_DINODE_FMT_LOCAL, /* DIR, REG: di_c */ - /* LNK: di_symlink */ - XFS_DINODE_FMT_EXTENTS, /* DIR, REG, LNK: di_bmx */ - XFS_DINODE_FMT_BTREE, /* DIR, REG, LNK: di_bmbt */ - XFS_DINODE_FMT_UUID /* MNT: di_uuid */ -} xfs_dinode_fmt_t; - -/* - * File types (mode field) - */ -#define IFMT 0170000 /* type of file */ -#define IFDIR 0040000 /* directory */ -#define IFREG 0100000 /* regular */ -#define IFLNK 0120000 /* symbolic link */ |