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2008-06-30 Pavel Roskin <proski@gnu.org>

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* util/i386/pc/grub-setup.c (setup): Write install_dos_part and
	install_bsd_part immediately before core.img is embedded or
	modified on disk.  This fixes core.img verification if core.img
	cannot be embedded.
This commit is contained in:
proski 2008-06-30 23:52:24 +00:00
parent 3aefa85781
commit 56c7668bae
2 changed files with 23 additions and 9 deletions
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27
util/i386/pc/grub-setup.c
View file

@ -101,6 +101,7 @@ setup (const char *dir,
grub_uint16_t *boot_drive_check;
struct boot_blocklist *first_block, *block;
grub_int32_t *install_dos_part, *install_bsd_part;
grub_int32_t dos_part, bsd_part;
char *tmp_img;
int i;
grub_disk_addr_t first_sector;
@ -283,27 +284,29 @@ setup (const char *dir,
{
struct grub_pc_partition *pcdata =
root_dev->disk->partition->data;
*install_dos_part
= grub_cpu_to_le32 (pcdata->dos_part);
*install_bsd_part
= grub_cpu_to_le32 (pcdata->bsd_part);
dos_part = pcdata->dos_part;
bsd_part = pcdata->bsd_part;
}
else if (strcmp (root_dev->disk->partition->partmap->name,
"gpt_partition_map") == 0)
{
*install_dos_part = grub_cpu_to_le32 (root_dev->disk->partition->index);
*install_bsd_part = grub_cpu_to_le32 (-1);
dos_part = root_dev->disk->partition->index;
bsd_part = -1;
}
else
grub_util_error ("No PC style partitions found");
}
else
*install_dos_part = *install_bsd_part = grub_cpu_to_le32 (-1);
dos_part = bsd_part = -1;
}
else
{
dos_part = grub_le_to_cpu32 (*install_dos_part);
bsd_part = grub_le_to_cpu32 (*install_bsd_part);
}
grub_util_info ("dos partition is %d, bsd partition is %d",
grub_le_to_cpu32 (*install_dos_part),
grub_le_to_cpu32 (*install_bsd_part));
dos_part, bsd_part);
/* If the destination device can have partitions and it is the MBR,
try to embed the core image into after the MBR. */
@ -316,6 +319,9 @@ setup (const char *dir,
{
grub_util_info ("will embed the core image at sector 0x%llx", embed_region.start);
*install_dos_part = grub_cpu_to_le32 (dos_part);
*install_bsd_part = grub_cpu_to_le32 (bsd_part);
/* The first blocklist contains the whole sectors. */
first_block->start = grub_cpu_to_le64 (embed_region.start + 1);
first_block->len = grub_cpu_to_le16 (core_sectors - 1);
@ -485,6 +491,9 @@ setup (const char *dir,
the boot device. */
*root_drive = 0xFF;
*install_dos_part = grub_cpu_to_le32 (dos_part);
*install_bsd_part = grub_cpu_to_le32 (bsd_part);
/* Write the first two sectors of the core image onto the disk. */
grub_util_info ("opening the core image `%s'", core_path);
fp = fopen (core_path, "r+b");