1 files changed, 0 insertions, 332 deletions

diff --git a/qemu/roms/openbios/fs/ext2/ext2_utils.c b/qemu/roms/openbios/fs/ext2/ext2_utils.c
deleted file mode 100644
index 64563c826..000000000
--- a/qemu/roms/openbios/fs/ext2/ext2_utils.c
+++ /dev/null
@@ -1,332 +0,0 @@
-/*
- *
- * (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info>
- *
- * This file has been copied from EMILE, http://emile.sf.net
- *
- */
-
-#include "libext2.h"
-#include "ext2_utils.h"
-#include "libopenbios/bindings.h"
-#include "libc/diskio.h"
-#include "libc/byteorder.h"
-
-int ext2_probe(int fd, long long offset)
-{
-	struct ext2_super_block *super;
-
-	super = (struct ext2_super_block*)malloc(sizeof(struct ext2_super_block));
-	seek_io(fd, 2 * 512 + offset);
-	read_io(fd, super, sizeof (*super));
-
-	if (__le16_to_cpu(super->s_magic) != EXT2_SUPER_MAGIC) {
-		free(super);
-		return 0;
-	}
-
-	free(super);
-	return -1;
-}
-
-void ext2_get_super(int fd, struct ext2_super_block *super)
-{
-	seek_io(fd, 2 * 512);
-	read_io(fd, super, sizeof (*super));
-
-	super->s_inodes_count = __le32_to_cpu(super->s_inodes_count);
-	super->s_blocks_count = __le32_to_cpu(super->s_blocks_count);
-	super->s_r_blocks_count = __le32_to_cpu(super->s_r_blocks_count);
-	super->s_free_blocks_count = __le32_to_cpu(super->s_free_blocks_count);
-	super->s_free_inodes_count = __le32_to_cpu(super->s_free_inodes_count);
-	super->s_first_data_block = __le32_to_cpu(super->s_first_data_block);
-	super->s_log_block_size = __le32_to_cpu(super->s_log_block_size);
-	super->s_log_frag_size = __le32_to_cpu(super->s_log_frag_size);
-	super->s_blocks_per_group = __le32_to_cpu(super->s_blocks_per_group);
-	super->s_frags_per_group = __le32_to_cpu(super->s_frags_per_group);
-	super->s_inodes_per_group = __le32_to_cpu(super->s_inodes_per_group);
-	super->s_mtime = __le32_to_cpu(super->s_mtime);
-	super->s_wtime = __le32_to_cpu(super->s_wtime);
-	super->s_mnt_count = __le16_to_cpu(super->s_mnt_count);
-	super->s_max_mnt_count = __le16_to_cpu(super->s_max_mnt_count);
-	super->s_magic = __le16_to_cpu(super->s_magic);
-	super->s_state = __le16_to_cpu(super->s_state);
-	super->s_errors = __le16_to_cpu(super->s_errors);
-	super->s_minor_rev_level = __le16_to_cpu(super->s_minor_rev_level);
-	super->s_lastcheck = __le32_to_cpu(super->s_lastcheck);
-	super->s_checkinterval = __le32_to_cpu(super->s_checkinterval);
-	super->s_creator_os = __le32_to_cpu(super->s_creator_os);
-	super->s_rev_level = __le32_to_cpu(super->s_rev_level);
-	super->s_def_resuid = __le16_to_cpu(super->s_def_resuid);
-	super->s_def_resgid = __le16_to_cpu(super->s_def_resgid);
-	super->s_first_ino = __le32_to_cpu(super->s_first_ino);
-	super->s_inode_size = __le16_to_cpu(super->s_inode_size);
-	super->s_block_group_nr = __le16_to_cpu(super->s_block_group_nr);
-	super->s_feature_compat = __le32_to_cpu(super->s_feature_compat);
-	super->s_feature_incompat = __le32_to_cpu(super->s_feature_incompat);
-	super->s_feature_ro_compat = __le32_to_cpu(super->s_feature_ro_compat);
-	super->s_algorithm_usage_bitmap =
-				__le32_to_cpu(super->s_algorithm_usage_bitmap);
-	super->s_journal_inum = __le32_to_cpu(super->s_journal_inum);
-	super->s_journal_dev = __le32_to_cpu(super->s_journal_dev);
-	super->s_last_orphan = __le32_to_cpu(super->s_last_orphan);
-	super->s_hash_seed[0] = __le32_to_cpu(super->s_hash_seed[0]);
-	super->s_hash_seed[1] = __le32_to_cpu(super->s_hash_seed[1]);
-	super->s_hash_seed[2] = __le32_to_cpu(super->s_hash_seed[2]);
-	super->s_hash_seed[3] = __le32_to_cpu(super->s_hash_seed[3]);
-	super->s_default_mount_opts =
-				__le32_to_cpu(super->s_default_mount_opts);
-	super->s_first_meta_bg = __le32_to_cpu(super->s_first_meta_bg);
-}
-
-void ext2_read_block(ext2_VOLUME* volume, unsigned int fsblock)
-{
-	long long offset;
-
-	if (fsblock == volume->current)
-		return;
-
-	volume->current = fsblock;
-	offset = fsblock * EXT2_BLOCK_SIZE(volume->super);
-
-	seek_io(volume->fd, offset);
-	read_io(volume->fd, volume->buffer, EXT2_BLOCK_SIZE(volume->super));
-}
-
-void ext2_get_group_desc(ext2_VOLUME* volume,
-		   int group_id, struct ext2_group_desc *gdp)
-{
-	unsigned int block, offset;
-	struct ext2_group_desc *le_gdp;
-
-	block = 1 + volume->super->s_first_data_block;
-	block += group_id / EXT2_DESC_PER_BLOCK(volume->super);
-	ext2_read_block(volume,  block);
-
-	offset = group_id % EXT2_DESC_PER_BLOCK(volume->super);
-	offset *= sizeof(*gdp);
-
-	le_gdp = (struct ext2_group_desc *)(volume->buffer + offset);
-
-	gdp->bg_block_bitmap = __le32_to_cpu(le_gdp->bg_block_bitmap);
-	gdp->bg_inode_bitmap = __le32_to_cpu(le_gdp->bg_inode_bitmap);
-	gdp->bg_inode_table = __le32_to_cpu(le_gdp->bg_inode_table);
-	gdp->bg_free_blocks_count = __le16_to_cpu(le_gdp->bg_free_blocks_count);
-	gdp->bg_free_inodes_count = __le16_to_cpu(le_gdp->bg_free_inodes_count);
-	gdp->bg_used_dirs_count = __le16_to_cpu(le_gdp->bg_used_dirs_count);
-}
-
-int ext2_get_inode(ext2_VOLUME* volume,
-		    unsigned int ino, struct ext2_inode *inode)
-{
-	struct ext2_group_desc desc;
-	unsigned int block;
-	unsigned int group_id;
-	unsigned int offset;
-	struct ext2_inode *le_inode;
-	int i;
-
-	ino--;
-
-	group_id = ino / EXT2_INODES_PER_GROUP(volume->super);
-	ext2_get_group_desc(volume, group_id, &desc);
-
-	ino %= EXT2_INODES_PER_GROUP(volume->super);
-
-	block = desc.bg_inode_table;
-	block += ino / (EXT2_BLOCK_SIZE(volume->super) /
-			EXT2_INODE_SIZE(volume->super));
-	ext2_read_block(volume, block);
-
-	offset = ino % (EXT2_BLOCK_SIZE(volume->super) /
-			EXT2_INODE_SIZE(volume->super));
-	offset *= EXT2_INODE_SIZE(volume->super);
-
-	le_inode = (struct ext2_inode *)(volume->buffer + offset);
-
-	inode->i_mode = __le16_to_cpu(le_inode->i_mode);
-	inode->i_uid = __le16_to_cpu(le_inode->i_uid);
-	inode->i_size = __le32_to_cpu(le_inode->i_size);
-	inode->i_atime = __le32_to_cpu(le_inode->i_atime);
-	inode->i_ctime = __le32_to_cpu(le_inode->i_ctime);
-	inode->i_mtime = __le32_to_cpu(le_inode->i_mtime);
-	inode->i_dtime = __le32_to_cpu(le_inode->i_dtime);
-	inode->i_gid = __le16_to_cpu(le_inode->i_gid);
-	inode->i_links_count = __le16_to_cpu(le_inode->i_links_count);
-	inode->i_blocks = __le32_to_cpu(le_inode->i_blocks);
-	inode->i_flags = __le32_to_cpu(le_inode->i_flags);
-	if (S_ISLNK(inode->i_mode)) {
-		memcpy(inode->i_block, le_inode->i_block, EXT2_N_BLOCKS * 4);
-	} else {
-		for (i = 0; i < EXT2_N_BLOCKS; i++)
-			inode->i_block[i] = __le32_to_cpu(le_inode->i_block[i]);
-        }
-	inode->i_generation = __le32_to_cpu(le_inode->i_generation);
-	inode->i_file_acl = __le32_to_cpu(le_inode->i_file_acl);
-	inode->i_dir_acl = __le32_to_cpu(le_inode->i_dir_acl);
-	inode->i_faddr = __le32_to_cpu(le_inode->i_faddr);
-	inode->osd2.linux2.l_i_frag = le_inode->osd2.linux2.l_i_frag;
-	inode->osd2.linux2.l_i_fsize = le_inode->osd2.linux2.l_i_fsize;
-	inode->osd2.linux2.l_i_uid_high =
-			__le16_to_cpu(le_inode->osd2.linux2.l_i_uid_high);
-	inode->osd2.linux2.l_i_gid_high =
-			__le16_to_cpu(le_inode->osd2.linux2.l_i_gid_high);
-	return 0;
-}
-
-unsigned int ext2_get_block_addr(ext2_VOLUME* volume, struct ext2_inode *inode,
-				 unsigned int logical)
-{
-	unsigned int physical;
-	unsigned int addr_per_block;
-
-	/* direct */
-
-	if (logical < EXT2_NDIR_BLOCKS) {
-		physical = inode->i_block[logical];
-		return physical;
-	}
-
-	/* indirect */
-
-	logical -= EXT2_NDIR_BLOCKS;
-
-	addr_per_block = EXT2_ADDR_PER_BLOCK (volume->super);
-	if (logical < addr_per_block) {
-		ext2_read_block(volume, inode->i_block[EXT2_IND_BLOCK]);
-		physical = __le32_to_cpu(((unsigned int *)volume->buffer)[logical]);
-		return physical;
-	}
-
-	/* double indirect */
-
-	logical -=  addr_per_block;
-
-	if (logical < addr_per_block * addr_per_block) {
-		ext2_read_block(volume, inode->i_block[EXT2_DIND_BLOCK]);
-		physical = __le32_to_cpu(((unsigned int *)volume->buffer)
-						[logical / addr_per_block]);
-		ext2_read_block(volume, physical);
-		physical = __le32_to_cpu(((unsigned int *)volume->buffer)
-						[logical % addr_per_block]);
-		return physical;
-	}
-
-	/* triple indirect */
-
-	logical -= addr_per_block * addr_per_block;
-	ext2_read_block(volume, inode->i_block[EXT2_DIND_BLOCK]);
-	physical = __le32_to_cpu(((unsigned int *)volume->buffer)
-				[logical / (addr_per_block * addr_per_block)]);
-	ext2_read_block(volume, physical);
-	logical = logical % (addr_per_block * addr_per_block);
-	physical = __le32_to_cpu(((unsigned int *)volume->buffer)[logical / addr_per_block]);
-	ext2_read_block(volume, physical);
-	physical = __le32_to_cpu(((unsigned int *)volume->buffer)[logical % addr_per_block]);
-	return physical;
-}
-
-int ext2_read_data(ext2_VOLUME* volume, struct ext2_inode *inode,
-		   off_t offset, char *buffer, size_t length)
-{
-	unsigned int logical, physical;
-	int blocksize = EXT2_BLOCK_SIZE(volume->super);
-	int shift;
-	size_t read;
-
-	if (offset >= inode->i_size)
-		return -1;
-
-	if (offset + length >= inode->i_size)
-		length = inode->i_size - offset;
-
-	read = 0;
-	logical = offset / blocksize;
-	shift = offset % blocksize;
-
-	if (shift) {
-		physical = ext2_get_block_addr(volume, inode, logical);
-		ext2_read_block(volume, physical);
-
-		if (length < blocksize - shift) {
-			memcpy(buffer, volume->buffer + shift, length);
-			return length;
-		}
-		read += blocksize - shift;
-		memcpy(buffer, volume->buffer + shift, read);
-
-		buffer += read;
-		length -= read;
-		logical++;
-	}
-
-	while (length) {
-		physical = ext2_get_block_addr(volume, inode, logical);
-		ext2_read_block(volume, physical);
-
-		if (length < blocksize) {
-			memcpy(buffer, volume->buffer, length);
-			read += length;
-			return read;
-		}
-		memcpy(buffer, volume->buffer, blocksize);
-
-		buffer += blocksize;
-		length -= blocksize;
-		read += blocksize;
-		logical++;
-	}
-
-	return read;
-}
-
-off_t ext2_dir_entry(ext2_VOLUME *volume, struct ext2_inode *inode,
-		     off_t index, struct ext2_dir_entry_2 *entry)
-{
-	int ret;
-
-	ret = ext2_read_data(volume, inode, index,
-			     (char*)entry, sizeof(*entry));
-	if (ret == -1)
-		return -1;
-
-        entry->inode = __le32_to_cpu(entry->inode);
-        entry->rec_len = __le16_to_cpu(entry->rec_len);
-	return index + entry->rec_len;
-}
-
-unsigned int ext2_seek_name(ext2_VOLUME *volume, const char *name)
-{
-	struct ext2_inode inode;
-	int ret;
-	unsigned int ino;
-	off_t index;
-	struct ext2_dir_entry_2 entry;
-
-	ino = EXT2_ROOT_INO;
-	while(1) {
-		while (*name == '\\')
-			name++;
-		if (!*name)
-		    break;
-		ret = ext2_get_inode(volume, ino, &inode);
-		if (ret == -1)
-			return 0;
-		index = 0;
-		while (1) {
-			index = ext2_dir_entry(volume, &inode, index, &entry);
-			if (index == -1)
-				return 0;
-			ret = strncmp(name, entry.name, entry.name_len);
-			if (ret == 0  &&
-			    (name[entry.name_len] == 0 ||
-			     name[entry.name_len] == '\\')) {
-			     	ino = entry.inode;
-				break;
-			}
-		}
-		name += entry.name_len;
-	}
-
-	return ino;
-}