diff options
Diffstat (limited to 'qemu/roms/ipxe/src/interface/linux')
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_console.c | 155 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_entropy.c | 101 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_nap.c | 41 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_pci.c | 189 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_smbios.c | 115 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_time.c | 50 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_timer.c | 87 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_uaccess.c | 38 | ||||
| -rw-r--r-- | qemu/roms/ipxe/src/interface/linux/linux_umalloc.c | 154 |
9 files changed, 0 insertions, 930 deletions
diff --git a/qemu/roms/ipxe/src/interface/linux/linux_console.c b/qemu/roms/ipxe/src/interface/linux/linux_console.c deleted file mode 100644 index 5105eaa94..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_console.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com> - * - * 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -FILE_LICENCE(GPL2_OR_LATER); - -/** @file - * - * Linux console implementation. - * - */ - -#include <ipxe/console.h> - -#include <ipxe/init.h> -#include <ipxe/keys.h> -#include <linux_api.h> - -#include <linux/termios.h> -#include <asm/errno.h> - -#include <config/console.h> - -/* Set default console usage if applicable */ -#if ! ( defined ( CONSOLE_LINUX ) && CONSOLE_EXPLICIT ( CONSOLE_LINUX ) ) -#undef CONSOLE_LINUX -#define CONSOLE_LINUX ( CONSOLE_USAGE_ALL & ~CONSOLE_USAGE_LOG ) -#endif - -static void linux_console_putchar(int c) -{ - /* write to stdout */ - if (linux_write(1, &c, 1) != 1) - DBG("linux_console write failed (%s)\n", linux_strerror(linux_errno)); -} - -static int linux_console_getchar() -{ - char c; - - /* read from stdin */ - if (linux_read(0, &c, 1) < 0) { - DBG("linux_console read failed (%s)\n", linux_strerror(linux_errno)); - return 0; - } - /* backspace seems to be returned as ascii del, map it here */ - if (c == 0x7f) - return KEY_BACKSPACE; - else - return c; -} - -static int linux_console_iskey() -{ - struct pollfd pfd; - pfd.fd = 0; - pfd.events = POLLIN; - - /* poll for data to be read on stdin */ - if (linux_poll(&pfd, 1, 0) == -1) { - DBG("linux_console poll failed (%s)\n", linux_strerror(linux_errno)); - return 0; - } - - if (pfd.revents & POLLIN) - return 1; - else - return 0; -} - -struct console_driver linux_console __console_driver = { - .disabled = 0, - .putchar = linux_console_putchar, - .getchar = linux_console_getchar, - .iskey = linux_console_iskey, - .usage = CONSOLE_LINUX, -}; - -static int linux_tcgetattr(int fd, struct termios *termios_p) -{ - return linux_ioctl(fd, TCGETS, termios_p); -} - -static int linux_tcsetattr(int fd, int optional_actions, const struct termios *termios_p) -{ - unsigned long int cmd; - - switch (optional_actions) - { - case TCSANOW: - cmd = TCSETS; - break; - case TCSADRAIN: - cmd = TCSETSW; - break; - case TCSAFLUSH: - cmd = TCSETSF; - break; - default: - linux_errno = EINVAL; - return -1; - } - - return linux_ioctl(fd, cmd, termios_p); -} - -/** Saved termios attributes */ -static struct termios saved_termios; - -/** Setup the terminal for our use */ -static void linux_console_startup(void) -{ - struct termios t; - - if (linux_tcgetattr(0, &t)) { - DBG("linux_console tcgetattr failed (%s)", linux_strerror(linux_errno)); - return; - } - - saved_termios = t; - - /* Disable canonical mode and echo. Let readline handle that */ - t.c_lflag &= ~(ECHO | ICANON); - /* stop ^C from sending a signal */ - t.c_cc[VINTR] = 0; - - if (linux_tcsetattr(0, TCSAFLUSH, &t)) - DBG("linux_console tcsetattr failed (%s)", linux_strerror(linux_errno)); -} - -/** Restores original terminal attributes on shutdown */ -static void linux_console_shutdown(int flags __unused) -{ - if (linux_tcsetattr(0, TCSAFLUSH, &saved_termios)) - DBG("linux_console tcsetattr failed (%s)", linux_strerror(linux_errno)); -} - -struct startup_fn linux_console_startup_fn __startup_fn(STARTUP_EARLY) = { - .startup = linux_console_startup, - .shutdown = linux_console_shutdown, -}; diff --git a/qemu/roms/ipxe/src/interface/linux/linux_entropy.c b/qemu/roms/ipxe/src/interface/linux/linux_entropy.c deleted file mode 100644 index 0f8e45d36..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_entropy.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. - * - * 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 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. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/** @file - * - * Linux entropy source - * - */ - -#include <stdint.h> -#include <errno.h> -#include <linux_api.h> -#include <ipxe/entropy.h> - -/** Entropy source filename */ -static const char entropy_filename[] = "/dev/random"; - -/** Entropy source file handle */ -static int entropy_fd; - -/** - * Enable entropy gathering - * - * @ret rc Return status code - */ -static int linux_entropy_enable ( void ) { - - /* Open entropy source */ - entropy_fd = linux_open ( entropy_filename, O_RDONLY ); - if ( entropy_fd < 0 ) { - DBGC ( &entropy_fd, "ENTROPY could not open %s: %s\n", - entropy_filename, linux_strerror ( linux_errno ) ); - return entropy_fd; - } - - return 0; -} - -/** - * Disable entropy gathering - * - */ -static void linux_entropy_disable ( void ) { - - /* Close entropy source */ - linux_close ( entropy_fd ); -} - -/** - * Get noise sample - * - * @ret noise Noise sample - * @ret rc Return status code - */ -static int linux_get_noise ( noise_sample_t *noise ) { - uint8_t byte; - ssize_t len; - - /* Read a single byte from entropy source */ - len = linux_read ( entropy_fd, &byte, sizeof ( byte ) ); - if ( len < 0 ) { - DBGC ( &entropy_fd, "ENTROPY could not read from %s: %s\n", - entropy_filename, linux_strerror ( linux_errno ) ); - return len; - } - if ( len == 0 ) { - DBGC ( &entropy_fd, "ENTROPY EOF on reading from %s: %s\n", - entropy_filename, linux_strerror ( linux_errno ) ); - return -EPIPE; - } - *noise = byte; - - return 0; -} - -PROVIDE_ENTROPY_INLINE ( linux, min_entropy_per_sample ); -PROVIDE_ENTROPY ( linux, entropy_enable, linux_entropy_enable ); -PROVIDE_ENTROPY ( linux, entropy_disable, linux_entropy_disable ); -PROVIDE_ENTROPY ( linux, get_noise, linux_get_noise ); diff --git a/qemu/roms/ipxe/src/interface/linux/linux_nap.c b/qemu/roms/ipxe/src/interface/linux/linux_nap.c deleted file mode 100644 index f1d3cd962..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_nap.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com> - * - * 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 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. - */ - -FILE_LICENCE(GPL2_OR_LATER); - -#include <ipxe/nap.h> - -#include <linux_api.h> - -/** @file - * - * iPXE CPU sleeping API for linux - * - */ - -/** - * Sleep until next CPU interrupt - * - */ -static void linux_cpu_nap(void) -{ - linux_usleep(0); -} - -PROVIDE_NAP(linux, cpu_nap, linux_cpu_nap); diff --git a/qemu/roms/ipxe/src/interface/linux/linux_pci.c b/qemu/roms/ipxe/src/interface/linux/linux_pci.c deleted file mode 100644 index 0c140cb89..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_pci.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>. - * - * 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. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stdio.h> -#include <errno.h> -#include <byteswap.h> -#include <linux_api.h> -#include <ipxe/linux.h> -#include <ipxe/pci.h> - -/** @file - * - * iPXE PCI API for Linux - * - */ - -/** - * Open PCI configuration space - * - * @v pci PCI device - * @v flags Access mode flags - * @v where Address within configuration space - * @ret fd File handle, or negative error - */ -static int linux_pci_open ( struct pci_device *pci, int flags, - unsigned long where ) { - char filename[ 22 /* "/proc/bus/pci/xx/xx.x" + NUL */ ]; - int fd; - int rc; - - /* Construct filename */ - snprintf ( filename, sizeof ( filename ), "/proc/bus/pci/%02x/%02x.%x", - PCI_BUS ( pci->busdevfn ), PCI_SLOT ( pci->busdevfn ), - PCI_FUNC ( pci->busdevfn ) ); - - /* Open file */ - fd = linux_open ( filename, flags ); - if ( fd < 0 ) { - DBGC ( pci, "PCI could not open %s: %s\n", filename, - linux_strerror ( linux_errno ) ); - rc = -ELINUX ( linux_errno ); - goto err_open; - } - - /* Seek to location */ - if ( linux_lseek ( fd, where, SEEK_SET ) < 0 ) { - DBGC ( pci, "PCI could not seek to %s offset %#02lx: %s\n", - filename, where, linux_strerror ( linux_errno ) ); - rc = -ELINUX ( linux_errno ); - goto err_seek; - } - - return fd; - - err_seek: - linux_close ( fd ); - err_open: - return rc; -} - -/** - * Read from PCI configuration space - * - * @v pci PCI device - * @v where Address within configuration space - * @v value Data buffer - * @v len Length to read - * @ret rc Return status code - */ -int linux_pci_read ( struct pci_device *pci, unsigned long where, - unsigned long *value, size_t len ) { - uint32_t tmp = 0; - int fd; - int check_len; - int rc; - - /* Return "missing device" in case of error */ - *value = -1UL; - - /* Open configuration space */ - fd = linux_pci_open ( pci, O_RDONLY, where ); - if ( fd < 0 ) { - rc = fd; - goto err_open; - } - - /* Read value */ - check_len = linux_read ( fd, &tmp, len ); - if ( check_len < 0 ) { - DBGC ( pci, "PCI could not read from " PCI_FMT " %#02lx+%#zx: " - "%s\n", PCI_ARGS ( pci ), where, len, - linux_strerror ( linux_errno ) ); - rc = -ELINUX ( linux_errno ); - goto err_read; - } - if ( ( size_t ) check_len != len ) { - DBGC ( pci, "PCI read only %#x bytes from " PCI_FMT - " %#02lx+%#zx\n", check_len, PCI_ARGS ( pci ), - where, len ); - rc = -EIO; - goto err_read; - } - - /* Return value */ - *value = le32_to_cpu ( tmp ); - - /* Success */ - rc = 0; - - err_read: - linux_close ( fd ); - err_open: - return rc; -} - -/** - * Write to PCI configuration space - * - * @v pci PCI device - * @v where Address within configuration space - * @v value Value to write - * @v len Length of value - * @ret rc Return status code - */ -int linux_pci_write ( struct pci_device *pci, unsigned long where, - unsigned long value, size_t len ) { - uint32_t tmp; - int fd; - int check_len; - int rc; - - /* Open configuration space */ - fd = linux_pci_open ( pci, O_WRONLY, where ); - if ( fd < 0 ) { - rc = fd; - goto err_open; - } - - /* Prepare value for writing */ - tmp = cpu_to_le32 ( value ); - assert ( len <= sizeof ( tmp ) ); - - /* Write value */ - check_len = linux_write ( fd, &tmp, len ); - if ( check_len < 0 ) { - DBGC ( pci, "PCI could not write to " PCI_FMT " %#02lx+%#zx: " - "%s\n", PCI_ARGS ( pci ), where, len, - linux_strerror ( linux_errno ) ); - rc = -ELINUX ( linux_errno ); - goto err_write; - } - if ( ( size_t ) check_len != len ) { - DBGC ( pci, "PCI wrote only %#x bytes to " PCI_FMT - " %#02lx+%#zx\n", check_len, PCI_ARGS ( pci ), - where, len ); - rc = -EIO; - goto err_write; - } - - /* Success */ - rc = 0; - - err_write: - linux_close ( fd ); - err_open: - return rc; -} diff --git a/qemu/roms/ipxe/src/interface/linux/linux_smbios.c b/qemu/roms/ipxe/src/interface/linux/linux_smbios.c deleted file mode 100644 index 6e5174d23..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_smbios.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>. - * - * 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 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. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <errno.h> -#include <linux_api.h> -#include <ipxe/linux.h> -#include <ipxe/smbios.h> - -/** SMBIOS filename */ -static const char smbios_filename[] = "/dev/mem"; - -/** SMBIOS entry point scan region start address */ -#define SMBIOS_ENTRY_START 0xf0000 - -/** SMBIOS entry point scan region length */ -#define SMBIOS_ENTRY_LEN 0x10000 - -/** SMBIOS mapping alignment */ -#define SMBIOS_ALIGN 0x1000 - -/** - * Find SMBIOS - * - * @v smbios SMBIOS entry point descriptor structure to fill in - * @ret rc Return status code - */ -static int linux_find_smbios ( struct smbios *smbios ) { - struct smbios_entry entry; - void *entry_mem; - void *smbios_mem; - size_t smbios_offset; - size_t smbios_indent; - size_t smbios_len; - int fd; - int rc; - - /* Open SMBIOS file */ - fd = linux_open ( smbios_filename, O_RDONLY ); - if ( fd < 0 ) { - rc = -ELINUX ( linux_errno ); - DBGC ( smbios, "SMBIOS could not open %s: %s\n", - smbios_filename, linux_strerror ( linux_errno ) ); - goto err_open; - } - - /* Map the region potentially containing the SMBIOS entry point */ - entry_mem = linux_mmap ( NULL, SMBIOS_ENTRY_LEN, PROT_READ, MAP_SHARED, - fd, SMBIOS_ENTRY_START ); - if ( entry_mem == MAP_FAILED ) { - rc = -ELINUX ( linux_errno ); - DBGC ( smbios, "SMBIOS could not mmap %s (%#x+%#x): %s\n", - smbios_filename, SMBIOS_ENTRY_START, SMBIOS_ENTRY_LEN, - linux_strerror ( linux_errno ) ); - goto err_mmap_entry; - } - - /* Scan for the SMBIOS entry point */ - if ( ( rc = find_smbios_entry ( virt_to_user ( entry_mem ), - SMBIOS_ENTRY_LEN, &entry ) ) != 0 ) - goto err_find_entry; - - /* Map the region containing the SMBIOS structures */ - smbios_indent = ( entry.smbios_address & ( SMBIOS_ALIGN - 1 ) ); - smbios_offset = ( entry.smbios_address - smbios_indent ); - smbios_len = ( entry.smbios_len + smbios_indent ); - smbios_mem = linux_mmap ( NULL, smbios_len, PROT_READ, MAP_SHARED, - fd, smbios_offset ); - if ( smbios_mem == MAP_FAILED ) { - rc = -ELINUX ( linux_errno ); - DBGC ( smbios, "SMBIOS could not mmap %s (%#zx+%#zx): %s\n", - smbios_filename, smbios_offset, smbios_len, - linux_strerror ( linux_errno ) ); - goto err_mmap_smbios; - } - - /* Fill in entry point descriptor structure */ - smbios->address = virt_to_user ( smbios_mem + smbios_indent ); - smbios->len = entry.smbios_len; - smbios->count = entry.smbios_count; - smbios->version = SMBIOS_VERSION ( entry.major, entry.minor ); - - /* Unmap the entry point region (no longer required) */ - linux_munmap ( entry_mem, SMBIOS_ENTRY_LEN ); - - return 0; - - linux_munmap ( smbios_mem, smbios_len ); - err_mmap_smbios: - err_find_entry: - linux_munmap ( entry_mem, SMBIOS_ENTRY_LEN ); - err_mmap_entry: - linux_close ( fd ); - err_open: - return rc; -} - -PROVIDE_SMBIOS ( linux, find_smbios, linux_find_smbios ); diff --git a/qemu/roms/ipxe/src/interface/linux/linux_time.c b/qemu/roms/ipxe/src/interface/linux/linux_time.c deleted file mode 100644 index 9e99fe9cd..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_time.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. - * - * 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. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/** @file - * - * Linux time source - * - */ - -#include <stdint.h> -#include <stddef.h> -#include <errno.h> -#include <linux_api.h> -#include <ipxe/time.h> - -/** - * Get current time in seconds - * - * @ret time Time, in seconds - */ -static time_t linux_now ( void ) { - struct timeval now; - - linux_gettimeofday ( &now, NULL ); - return now.tv_sec; -} - -PROVIDE_TIME ( linux, time_now, linux_now ); diff --git a/qemu/roms/ipxe/src/interface/linux/linux_timer.c b/qemu/roms/ipxe/src/interface/linux/linux_timer.c deleted file mode 100644 index 7a994517b..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_timer.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com> - * - * 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -FILE_LICENCE(GPL2_OR_LATER); - -#include <stddef.h> -#include <ipxe/timer.h> - -#include <linux_api.h> - -/** @file - * - * iPXE timer API for linux - * - */ - -/** - * Delay for a fixed number of microseconds - * - * @v usecs Number of microseconds for which to delay - */ -static void linux_udelay(unsigned long usecs) -{ - linux_usleep(usecs); -} - -/** - * Get number of ticks per second - * - * @ret ticks_per_sec Number of ticks per second - */ -static unsigned long linux_ticks_per_sec(void) -{ - return 1000; -} - -/** - * Get current system time in ticks - * - * linux doesn't provide an easy access to jiffies so implement it by measuring - * the time since the first call to this function. - * - * Since this function is used to seed the (non-cryptographic) random - * number generator, we round the start time down to the nearest whole - * second. This minimises the chances of generating identical RNG - * sequences (and hence identical TCP port numbers, etc) on - * consecutive invocations of iPXE. - * - * @ret ticks Current time, in ticks - */ -static unsigned long linux_currticks(void) -{ - static struct timeval start; - static int initialized = 0; - - if (! initialized) { - linux_gettimeofday(&start, NULL); - initialized = 1; - } - - struct timeval now; - linux_gettimeofday(&now, NULL); - - unsigned long ticks = (now.tv_sec - start.tv_sec) * linux_ticks_per_sec(); - ticks += now.tv_usec / (long)(1000000 / linux_ticks_per_sec()); - - return ticks; -} - -PROVIDE_TIMER(linux, udelay, linux_udelay); -PROVIDE_TIMER(linux, currticks, linux_currticks); -PROVIDE_TIMER(linux, ticks_per_sec, linux_ticks_per_sec); diff --git a/qemu/roms/ipxe/src/interface/linux/linux_uaccess.c b/qemu/roms/ipxe/src/interface/linux/linux_uaccess.c deleted file mode 100644 index ea2d8057c..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_uaccess.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com> - * - * 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 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. - */ - -FILE_LICENCE(GPL2_OR_LATER); - -#include <ipxe/uaccess.h> - -/** @file - * - * iPXE user access API for linux - * - */ - -PROVIDE_UACCESS_INLINE(linux, user_to_phys); -PROVIDE_UACCESS_INLINE(linux, virt_to_user); -PROVIDE_UACCESS_INLINE(linux, user_to_virt); -PROVIDE_UACCESS_INLINE(linux, userptr_add); -PROVIDE_UACCESS_INLINE(linux, memcpy_user); -PROVIDE_UACCESS_INLINE(linux, memmove_user); -PROVIDE_UACCESS_INLINE(linux, memset_user); -PROVIDE_UACCESS_INLINE(linux, strlen_user); -PROVIDE_UACCESS_INLINE(linux, memchr_user); diff --git a/qemu/roms/ipxe/src/interface/linux/linux_umalloc.c b/qemu/roms/ipxe/src/interface/linux/linux_umalloc.c deleted file mode 100644 index aa0052c53..000000000 --- a/qemu/roms/ipxe/src/interface/linux/linux_umalloc.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com> - * - * 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -FILE_LICENCE(GPL2_OR_LATER); - -#include <valgrind/memcheck.h> - -/** @file - * - * iPXE user memory allocation API for linux - * - */ - -#include <assert.h> -#include <ipxe/umalloc.h> - -#include <linux_api.h> - -/** Special address returned for empty allocations */ -#define NOWHERE ((void *)-1) - -/** Poison to make the metadata more unique */ -#define POISON 0xa5a5a5a5 -#define min(a,b) (((a)<(b))?(a):(b)) - -/** Metadata stored at the beginning of all allocations */ -struct metadata -{ - unsigned poison; - size_t size; -}; - -#define SIZE_MD (sizeof(struct metadata)) - -/** Simple realloc which passes most of the work to mmap(), mremap() and munmap() */ -static void * linux_realloc(void *ptr, size_t size) -{ - struct metadata md = {0, 0}; - struct metadata * mdptr = NULL; - - DBG2("linux_realloc(%p, %zd)\n", ptr, size); - - /* Check whether we have a valid pointer */ - if (ptr != NULL && ptr != NOWHERE) { - mdptr = ptr - SIZE_MD; - VALGRIND_MAKE_MEM_DEFINED(mdptr, SIZE_MD); - md = *mdptr; - VALGRIND_MAKE_MEM_NOACCESS(mdptr, SIZE_MD); - - /* Check for poison in the metadata */ - if (md.poison != POISON) { - DBG("linux_realloc bad poison: 0x%x (expected 0x%x)\n", md.poison, POISON); - return NULL; - } - } else { - /* Handle NOWHERE as NULL */ - ptr = NULL; - } - - /* - * At this point, ptr is either NULL or pointing to a region allocated by us. - * In the latter case mdptr is pointing to a valid metadata, otherwise it is NULL. - */ - - /* Handle deallocation or allocation of size 0 */ - if (size == 0) { - if (mdptr) { - if (linux_munmap(mdptr, md.size)) - DBG("linux_realloc munmap failed: %s\n", linux_strerror(linux_errno)); - VALGRIND_FREELIKE_BLOCK(ptr, sizeof(*mdptr)); - } - return NOWHERE; - } - - if (ptr) { - char *vbits = NULL; - - if (RUNNING_ON_VALGRIND > 0) - vbits = linux_realloc(NULL, min(size, md.size)); - -/* prevent an unused variable warning when building w/o valgrind support */ -#ifndef NVALGRIND - VALGRIND_GET_VBITS(ptr, vbits, min(size, md.size)); -#endif - - VALGRIND_FREELIKE_BLOCK(ptr, SIZE_MD); - - mdptr = linux_mremap(mdptr, md.size + SIZE_MD, size + SIZE_MD, MREMAP_MAYMOVE); - if (mdptr == MAP_FAILED) { - DBG("linux_realloc mremap failed: %s\n", linux_strerror(linux_errno)); - return NULL; - } - ptr = ((void *)mdptr) + SIZE_MD; - - VALGRIND_MALLOCLIKE_BLOCK(ptr, size, SIZE_MD, 0); -/* prevent an unused variable warning when building w/o valgrind support */ -#ifndef NVALGRIND - VALGRIND_SET_VBITS(ptr, vbits, min(size, md.size)); -#endif - - if (RUNNING_ON_VALGRIND > 0) - linux_realloc(vbits, 0); - } else { - mdptr = linux_mmap(NULL, size + SIZE_MD, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - if (mdptr == MAP_FAILED) { - DBG("linux_realloc mmap failed: %s\n", linux_strerror(linux_errno)); - return NULL; - } - ptr = ((void *)mdptr) + SIZE_MD; - VALGRIND_MALLOCLIKE_BLOCK(ptr, size, SIZE_MD, 0); - } - - /* Update the metadata */ - VALGRIND_MAKE_MEM_DEFINED(mdptr, SIZE_MD); - mdptr->poison = POISON; - mdptr->size = size; - VALGRIND_MAKE_MEM_NOACCESS(mdptr, SIZE_MD); - // VALGRIND_MALLOCLIKE_BLOCK ignores redzones currently, make our own - VALGRIND_MAKE_MEM_NOACCESS(ptr + size, SIZE_MD); - - return ptr; -} - -/** - * Reallocate external memory - * - * @v old_ptr Memory previously allocated by umalloc(), or UNULL - * @v new_size Requested size - * @ret new_ptr Allocated memory, or UNULL - * - * Calling realloc() with a new size of zero is a valid way to free a - * memory block. - */ -static userptr_t linux_urealloc(userptr_t old_ptr, size_t new_size) -{ - return (userptr_t)linux_realloc((void *)old_ptr, new_size); -} - -PROVIDE_UMALLOC(linux, urealloc, linux_urealloc); |