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aout image support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-13 16:26:50 +01:00
parent 6bea3f8983
commit a49217cff7
10 changed files with 122 additions and 81 deletions
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128
util/grub-mkrawimage.c
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@ -23,6 +23,7 @@
#include <grub/machine/kernel.h>
#include <grub/machine/memory.h>
#include <grub/elf.h>
#include <grub/aout.h>
#include <grub/i18n.h>
#include <grub/kernel.h>
#include <grub/disk.h>
@ -230,6 +231,36 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
grub_util_info ("the core size is 0x%x", core_size);
#ifdef GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE))
= grub_host_to_target32 (total_module_size);
#endif
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE))
= grub_host_to_target32 (kernel_size);
#ifdef GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE))
= grub_host_to_target32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE);
#endif
#if defined(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART) && defined(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART)
/* If we included a drive in our prefix, let GRUB know it doesn't have to
prepend the drive told by BIOS. */
if (prefix[0] == '(')
{
*((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_DOS_PART))
= grub_host_to_target32 (-2);
*((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_BSD_PART))
= grub_host_to_target32 (-2);
}
#endif
#ifdef GRUB_MACHINE_PCBIOS
if (GRUB_KERNEL_MACHINE_LINK_ADDR + core_size > GRUB_MEMORY_MACHINE_UPPER)
grub_util_error (_("core image is too big (%p > %p)"),
GRUB_KERNEL_MACHINE_LINK_ADDR + core_size,
GRUB_MEMORY_MACHINE_UPPER);
#endif
#if defined(GRUB_MACHINE_PCBIOS)
{
unsigned num;
@ -299,62 +330,50 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
free (boot_path);
}
#elif defined (GRUB_MACHINE_SPARC64)
{
unsigned int num;
char *boot_path, *boot_img;
size_t boot_size;
num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS);
num <<= GRUB_DISK_SECTOR_BITS;
boot_path = grub_util_get_path (dir, "diskboot.img");
boot_size = grub_util_get_image_size (boot_path);
if (boot_size != GRUB_DISK_SECTOR_SIZE)
grub_util_error ("diskboot.img is not one sector size");
boot_img = grub_util_read_image (boot_path);
*((grub_uint32_t *) (boot_img + GRUB_DISK_SECTOR_SIZE
- GRUB_BOOT_MACHINE_LIST_SIZE + 8))
= grub_host_to_target32 (num);
grub_util_write_image (boot_img, boot_size, out);
free (boot_img);
free (boot_path);
}
#endif
#ifdef GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE))
= grub_host_to_target32 (total_module_size);
#endif
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE))
= grub_host_to_target32 (kernel_size);
#ifdef GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE))
= grub_host_to_target32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE);
#endif
#if defined(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART) && defined(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART)
/* If we included a drive in our prefix, let GRUB know it doesn't have to
prepend the drive told by BIOS. */
if (prefix[0] == '(')
if (format == GRUB_PLATFORM_IMAGE_AOUT)
{
*((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_DOS_PART))
= grub_host_to_target32 (-2);
*((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_BSD_PART))
= grub_host_to_target32 (-2);
void *aout_img;
size_t aout_size;
struct grub_aout32_header *aout_head;
aout_size = core_size + sizeof (*aout_head);
aout_img = xmalloc (aout_size);
aout_head = aout_img;
aout_head->a_midmag = grub_host_to_target32 ((AOUT_MID_SUN << 16)
| AOUT32_OMAGIC);
aout_head->a_text = grub_host_to_target32 (core_size);
aout_head->a_entry = grub_host_to_target32 (0x4400);
memcpy (aout_img + sizeof (*aout_head), core_img, core_size);
free (core_img);
core_img = aout_img;
core_size = aout_size;
}
#endif
else
{
unsigned int num;
char *boot_path, *boot_img;
size_t boot_size;
#ifdef GRUB_MACHINE_PCBIOS
if (GRUB_KERNEL_MACHINE_LINK_ADDR + core_size > GRUB_MEMORY_MACHINE_UPPER)
grub_util_error (_("core image is too big (%p > %p)"),
GRUB_KERNEL_MACHINE_LINK_ADDR + core_size,
GRUB_MEMORY_MACHINE_UPPER);
#endif
num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS);
num <<= GRUB_DISK_SECTOR_BITS;
#if defined(GRUB_MACHINE_MIPS)
boot_path = grub_util_get_path (dir, "diskboot.img");
boot_size = grub_util_get_image_size (boot_path);
if (boot_size != GRUB_DISK_SECTOR_SIZE)
grub_util_error ("diskboot.img is not one sector size");
boot_img = grub_util_read_image (boot_path);
*((grub_uint32_t *) (boot_img + GRUB_DISK_SECTOR_SIZE
- GRUB_BOOT_MACHINE_LIST_SIZE + 8))
= grub_host_to_target32 (num);
grub_util_write_image (boot_img, boot_size, out);
free (boot_img);
free (boot_path);
}
#elif defined(GRUB_MACHINE_MIPS)
if (format == GRUB_PLATFORM_IMAGE_ELF)
{
char *elf_img;
@ -527,6 +546,11 @@ main (int argc, char *argv[])
if (strcmp (optarg, "elf") == 0)
format = GRUB_PLATFORM_IMAGE_ELF;
else
#endif
#ifdef GRUB_PLATFORM_IMAGE_AOUT
if (strcmp (optarg, "aout") == 0)
format = GRUB_PLATFORM_IMAGE_AOUT;
else
#endif
usage (1);
break;