grub/grub-core/disk/memdisk.c

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2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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/* memdisk.c - Access embedded memory disk. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2007,2008 Free Software Foundation, Inc.
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/disk.h>
#include <grub/dl.h>
#include <grub/kernel.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/types.h>
GRUB_MOD_LICENSE ("GPLv3+");
static char *memdisk_addr;
static grub_off_t memdisk_size = 0;
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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static int
grub_memdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
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grub_disk_pull_t pull)
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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{
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if (pull != GRUB_DISK_PULL_NONE)
return 0;
return hook ("memdisk", hook_data);
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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}
static grub_err_t
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grub_memdisk_open (const char *name, grub_disk_t disk)
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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{
if (grub_strcmp (name, "memdisk"))
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "not a memdisk");
disk->total_sectors = memdisk_size / GRUB_DISK_SECTOR_SIZE;
disk->max_agglomerate = GRUB_DISK_MAX_MAX_AGGLOMERATE;
disk->id = (unsigned long) "mdsk";
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
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return GRUB_ERR_NONE;
}
static void
grub_memdisk_close (grub_disk_t disk __attribute((unused)))
{
}
static grub_err_t
grub_memdisk_read (grub_disk_t disk __attribute((unused)), grub_disk_addr_t sector,
grub_size_t size, char *buf)
{
grub_memcpy (buf, memdisk_addr + (sector << GRUB_DISK_SECTOR_BITS), size << GRUB_DISK_SECTOR_BITS);
return 0;
}
static grub_err_t
grub_memdisk_write (grub_disk_t disk __attribute((unused)), grub_disk_addr_t sector,
grub_size_t size, const char *buf)
{
grub_memcpy (memdisk_addr + (sector << GRUB_DISK_SECTOR_BITS), buf, size << GRUB_DISK_SECTOR_BITS);
return 0;
}
static struct grub_disk_dev grub_memdisk_dev =
{
.name = "memdisk",
.id = GRUB_DISK_DEVICE_MEMDISK_ID,
.iterate = grub_memdisk_iterate,
.open = grub_memdisk_open,
.close = grub_memdisk_close,
.read = grub_memdisk_read,
.write = grub_memdisk_write,
.next = 0
};
GRUB_MOD_INIT(memdisk)
{
Replace grub_module_iterate with FOR_MODULES. * grub-core/disk/memdisk.c (GRUB_MOD_INIT): Switched to new interface. * grub-core/kern/efi/efi.c (grub_arch_modules_addr): Renamed to... (grub_efi_modules_addr): ...this. * grub-core/kern/efi/init.c (grub_modbase): New variable. (grub_efi_init): Set grub_modbase. * grub-core/kern/emu/main.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. * grub-core/kern/i386/coreboot/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/i386/pc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/ieee1275/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/main.c (grub_module_iterate): Remove. (grub_modules_get_end): Use grub_modbase. (grub_load_modules): Use FOR_MODULES. (grub_load_config): Likewise. * grub-core/kern/mips/arc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/loongson/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/qemu_mips/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * include/grub/efi/efi.h (grub_efi_modules_addr): New declaration. * include/grub/kernel.h (grub_arch_modules_addr): Removed. (grub_module_iterate): Likewise. (grub_modbase): New variable declaration. (FOR_MODULES): New macro.
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struct grub_module_header *header;
FOR_MODULES (header)
if (header->type == OBJ_TYPE_MEMDISK)
{
char *memdisk_orig_addr;
memdisk_orig_addr = (char *) header + sizeof (struct grub_module_header);
2008-08-02 Robert Millan <rmh@aybabtu.com> * disk/memdisk.c (memdisk_size): Don't initialize. (GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate(). * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro. (GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift. (grub_memdisk_image_size, grub_arch_memdisk_addr) (grub_arch_memdisk_size): Remove. * include/grub/kernel.h (struct grub_module_header): Remove `offset' field (was only used to transfer a constant). Add `type' field to support multiple module types. (grub_module_iterate): New function. * kern/device.c (grub_device_open): Do not hide error messages when grub_disk_open() fails. Use grub_print_error() instead. * kern/i386/pc/init.c (grub_arch_modules_addr) (grub_arch_memdisk_size): Remove functions. (grub_arch_modules_addr): Return the module address in high memory (now that it isn't copied anymore). * kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable. (codestart): Don't add grub_memdisk_image_size to %ecx in LZMA decompression routine (grub_total_module_size already includes that now). Don't copy modules back to low memory. * kern/main.c: Include `<grub/mm.h>'. (grub_load_modules): Split out (and use) ... (grub_module_iterate): ... this function, which iterates through module objects and runs a hook. Comment out grub_mm_init_region() call, as it would cause non-ELF modules to be overwritten. * util/i386/pc/grub-mkimage.c (generate_image): Instead of appending the memdisk image in its own region, make it part of the module list. * util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image(). (add_segments): Pass `memdisk_path' down to load_modules(). (load_modules): Embed memdisk image in module section when requested. * util/i386/efi/grub-mkimage.c (make_mods_section): Initialize `header.type' instead of `header.offset'. * conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES, memdisk_mod_CFLAGS) (memdisk_mod_LDFLAGS): New variables. * conf/i386-coreboot.rmk: Likewise. * conf/i386-ieee1275.rmk: Likewise.
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Replace grub_module_iterate with FOR_MODULES. * grub-core/disk/memdisk.c (GRUB_MOD_INIT): Switched to new interface. * grub-core/kern/efi/efi.c (grub_arch_modules_addr): Renamed to... (grub_efi_modules_addr): ...this. * grub-core/kern/efi/init.c (grub_modbase): New variable. (grub_efi_init): Set grub_modbase. * grub-core/kern/emu/main.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. * grub-core/kern/i386/coreboot/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/i386/pc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/ieee1275/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/main.c (grub_module_iterate): Remove. (grub_modules_get_end): Use grub_modbase. (grub_load_modules): Use FOR_MODULES. (grub_load_config): Likewise. * grub-core/kern/mips/arc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/loongson/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/qemu_mips/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * include/grub/efi/efi.h (grub_efi_modules_addr): New declaration. * include/grub/kernel.h (grub_arch_modules_addr): Removed. (grub_module_iterate): Likewise. (grub_modbase): New variable declaration. (FOR_MODULES): New macro.
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grub_dprintf ("memdisk", "Found memdisk image at %p\n", memdisk_orig_addr);
2008-08-02 Robert Millan <rmh@aybabtu.com> * disk/memdisk.c (memdisk_size): Don't initialize. (GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate(). * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro. (GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift. (grub_memdisk_image_size, grub_arch_memdisk_addr) (grub_arch_memdisk_size): Remove. * include/grub/kernel.h (struct grub_module_header): Remove `offset' field (was only used to transfer a constant). Add `type' field to support multiple module types. (grub_module_iterate): New function. * kern/device.c (grub_device_open): Do not hide error messages when grub_disk_open() fails. Use grub_print_error() instead. * kern/i386/pc/init.c (grub_arch_modules_addr) (grub_arch_memdisk_size): Remove functions. (grub_arch_modules_addr): Return the module address in high memory (now that it isn't copied anymore). * kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable. (codestart): Don't add grub_memdisk_image_size to %ecx in LZMA decompression routine (grub_total_module_size already includes that now). Don't copy modules back to low memory. * kern/main.c: Include `<grub/mm.h>'. (grub_load_modules): Split out (and use) ... (grub_module_iterate): ... this function, which iterates through module objects and runs a hook. Comment out grub_mm_init_region() call, as it would cause non-ELF modules to be overwritten. * util/i386/pc/grub-mkimage.c (generate_image): Instead of appending the memdisk image in its own region, make it part of the module list. * util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image(). (add_segments): Pass `memdisk_path' down to load_modules(). (load_modules): Embed memdisk image in module section when requested. * util/i386/efi/grub-mkimage.c (make_mods_section): Initialize `header.type' instead of `header.offset'. * conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES, memdisk_mod_CFLAGS) (memdisk_mod_LDFLAGS): New variables. * conf/i386-coreboot.rmk: Likewise. * conf/i386-ieee1275.rmk: Likewise.
2008-08-02 12:17:44 +00:00
Replace grub_module_iterate with FOR_MODULES. * grub-core/disk/memdisk.c (GRUB_MOD_INIT): Switched to new interface. * grub-core/kern/efi/efi.c (grub_arch_modules_addr): Renamed to... (grub_efi_modules_addr): ...this. * grub-core/kern/efi/init.c (grub_modbase): New variable. (grub_efi_init): Set grub_modbase. * grub-core/kern/emu/main.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. * grub-core/kern/i386/coreboot/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/i386/pc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/ieee1275/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/main.c (grub_module_iterate): Remove. (grub_modules_get_end): Use grub_modbase. (grub_load_modules): Use FOR_MODULES. (grub_load_config): Likewise. * grub-core/kern/mips/arc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/loongson/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/qemu_mips/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * include/grub/efi/efi.h (grub_efi_modules_addr): New declaration. * include/grub/kernel.h (grub_arch_modules_addr): Removed. (grub_module_iterate): Likewise. (grub_modbase): New variable declaration. (FOR_MODULES): New macro.
2011-10-16 13:23:29 +00:00
memdisk_size = header->size - sizeof (struct grub_module_header);
memdisk_addr = grub_malloc (memdisk_size);
2008-08-02 Robert Millan <rmh@aybabtu.com> * disk/memdisk.c (memdisk_size): Don't initialize. (GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate(). * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro. (GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift. (grub_memdisk_image_size, grub_arch_memdisk_addr) (grub_arch_memdisk_size): Remove. * include/grub/kernel.h (struct grub_module_header): Remove `offset' field (was only used to transfer a constant). Add `type' field to support multiple module types. (grub_module_iterate): New function. * kern/device.c (grub_device_open): Do not hide error messages when grub_disk_open() fails. Use grub_print_error() instead. * kern/i386/pc/init.c (grub_arch_modules_addr) (grub_arch_memdisk_size): Remove functions. (grub_arch_modules_addr): Return the module address in high memory (now that it isn't copied anymore). * kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable. (codestart): Don't add grub_memdisk_image_size to %ecx in LZMA decompression routine (grub_total_module_size already includes that now). Don't copy modules back to low memory. * kern/main.c: Include `<grub/mm.h>'. (grub_load_modules): Split out (and use) ... (grub_module_iterate): ... this function, which iterates through module objects and runs a hook. Comment out grub_mm_init_region() call, as it would cause non-ELF modules to be overwritten. * util/i386/pc/grub-mkimage.c (generate_image): Instead of appending the memdisk image in its own region, make it part of the module list. * util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image(). (add_segments): Pass `memdisk_path' down to load_modules(). (load_modules): Embed memdisk image in module section when requested. * util/i386/efi/grub-mkimage.c (make_mods_section): Initialize `header.type' instead of `header.offset'. * conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES, memdisk_mod_CFLAGS) (memdisk_mod_LDFLAGS): New variables. * conf/i386-coreboot.rmk: Likewise. * conf/i386-ieee1275.rmk: Likewise.
2008-08-02 12:17:44 +00:00
Replace grub_module_iterate with FOR_MODULES. * grub-core/disk/memdisk.c (GRUB_MOD_INIT): Switched to new interface. * grub-core/kern/efi/efi.c (grub_arch_modules_addr): Renamed to... (grub_efi_modules_addr): ...this. * grub-core/kern/efi/init.c (grub_modbase): New variable. (grub_efi_init): Set grub_modbase. * grub-core/kern/emu/main.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. * grub-core/kern/i386/coreboot/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/i386/pc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/ieee1275/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/main.c (grub_module_iterate): Remove. (grub_modules_get_end): Use grub_modbase. (grub_load_modules): Use FOR_MODULES. (grub_load_config): Likewise. * grub-core/kern/mips/arc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/loongson/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/qemu_mips/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * include/grub/efi/efi.h (grub_efi_modules_addr): New declaration. * include/grub/kernel.h (grub_arch_modules_addr): Removed. (grub_module_iterate): Likewise. (grub_modbase): New variable declaration. (FOR_MODULES): New macro.
2011-10-16 13:23:29 +00:00
grub_dprintf ("memdisk", "Copying memdisk image to dynamic memory\n");
grub_memmove (memdisk_addr, memdisk_orig_addr, memdisk_size);
2008-08-02 Robert Millan <rmh@aybabtu.com> * disk/memdisk.c (memdisk_size): Don't initialize. (GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate(). * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro. (GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift. (grub_memdisk_image_size, grub_arch_memdisk_addr) (grub_arch_memdisk_size): Remove. * include/grub/kernel.h (struct grub_module_header): Remove `offset' field (was only used to transfer a constant). Add `type' field to support multiple module types. (grub_module_iterate): New function. * kern/device.c (grub_device_open): Do not hide error messages when grub_disk_open() fails. Use grub_print_error() instead. * kern/i386/pc/init.c (grub_arch_modules_addr) (grub_arch_memdisk_size): Remove functions. (grub_arch_modules_addr): Return the module address in high memory (now that it isn't copied anymore). * kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable. (codestart): Don't add grub_memdisk_image_size to %ecx in LZMA decompression routine (grub_total_module_size already includes that now). Don't copy modules back to low memory. * kern/main.c: Include `<grub/mm.h>'. (grub_load_modules): Split out (and use) ... (grub_module_iterate): ... this function, which iterates through module objects and runs a hook. Comment out grub_mm_init_region() call, as it would cause non-ELF modules to be overwritten. * util/i386/pc/grub-mkimage.c (generate_image): Instead of appending the memdisk image in its own region, make it part of the module list. * util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image(). (add_segments): Pass `memdisk_path' down to load_modules(). (load_modules): Embed memdisk image in module section when requested. * util/i386/efi/grub-mkimage.c (make_mods_section): Initialize `header.type' instead of `header.offset'. * conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES, memdisk_mod_CFLAGS) (memdisk_mod_LDFLAGS): New variables. * conf/i386-coreboot.rmk: Likewise. * conf/i386-ieee1275.rmk: Likewise.
2008-08-02 12:17:44 +00:00
Replace grub_module_iterate with FOR_MODULES. * grub-core/disk/memdisk.c (GRUB_MOD_INIT): Switched to new interface. * grub-core/kern/efi/efi.c (grub_arch_modules_addr): Renamed to... (grub_efi_modules_addr): ...this. * grub-core/kern/efi/init.c (grub_modbase): New variable. (grub_efi_init): Set grub_modbase. * grub-core/kern/emu/main.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. * grub-core/kern/i386/coreboot/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/i386/pc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/ieee1275/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/main.c (grub_module_iterate): Remove. (grub_modules_get_end): Use grub_modbase. (grub_load_modules): Use FOR_MODULES. (grub_load_config): Likewise. * grub-core/kern/mips/arc/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/loongson/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * grub-core/kern/mips/qemu_mips/init.c (grub_arch_modules_addr): Removed. (grub_modbase): New variable. (grub_machine_init): Set grub_modbase. * include/grub/efi/efi.h (grub_efi_modules_addr): New declaration. * include/grub/kernel.h (grub_arch_modules_addr): Removed. (grub_module_iterate): Likewise. (grub_modbase): New variable declaration. (FOR_MODULES): New macro.
2011-10-16 13:23:29 +00:00
grub_disk_dev_register (&grub_memdisk_dev);
break;
}
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
2008-01-20 23:20:36 +00:00
}
GRUB_MOD_FINI(memdisk)
{
if (! memdisk_size)
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
2008-01-20 23:20:36 +00:00
return;
grub_free (memdisk_addr);
2008-01-21 Robert Millan <rmh@aybabtu.com> * conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'. (pkglib_MODULES): Add `memdisk.mod'. (memdisk_mod_SOURCES): New variable. (memdisk_mod_CFLAGS): Likewise. (memdisk_mod_LDFLAGS): Likewise. * disk/memdisk.c: New file. * include/grub/disk.h (grub_disk_dev_id): Add `GRUB_DISK_DEVICE_MEMDISK_ID'. * include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro. (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4. (grub_kernel_image_size): New variable declaration. (grub_total_module_size): Likewise. (grub_memdisk_image_size): Likewise. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro. * include/grub/kernel.h: Include `<grub/symbol.h>'. (grub_arch_memdisk_addr): New variable declaration. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function. (grub_arch_memdisk_size): Likewise. * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable. (codestart): Replace hardcoded `0x100000' with `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro. * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'. (generate_image): Add `memdisk_path' parameter. When `memdisk_path' is not NULL, append the contents of the file it refers to, at the end of the compressed kernel image. Initialize `grub_memdisk_image_size' variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset). (options): Add "memdisk"|'m' option. (main): Parse --memdisk|-m option, and pass user-provided path as parameter to generate_image().
2008-01-20 23:20:36 +00:00
grub_disk_dev_unregister (&grub_memdisk_dev);
}