vbatts/grub
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Merge mainline into bidi

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-30 11:24:28 +02:00
commit f651947b58
79 changed files with 4334 additions and 3313 deletions
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3
commands/blocklist.c
View file

@ -90,8 +90,7 @@ grub_cmd_blocklist (grub_command_t cmd __attribute__ ((unused)),
return grub_error (GRUB_ERR_BAD_DEVICE,
"this command is available only for disk devices");
if (file->device->disk->partition)
part_start = grub_partition_get_start (file->device->disk->partition);
part_start = grub_partition_get_start (file->device->disk->partition);
file->read_hook = read_blocklist;

29
commands/i386/pc/drivemap_int13h.S
View file

@ -19,7 +19,7 @@
#include <grub/symbol.h>
#define INT13H_OFFSET(x) ((x) - EXT_C(grub_drivemap_handler))
#define INT13H_OFFSET(x) ((x) - LOCAL (base))
.code16
@ -27,6 +27,7 @@
/* The replacement int13 handler. Preserve all registers. */
FUNCTION(grub_drivemap_handler)
LOCAL (base):
/* Save %dx for future restore. */
push %dx
/* Push flags. Used to simulate interrupt with original flags. */
@ -35,12 +36,7 @@ FUNCTION(grub_drivemap_handler)
/* Map the drive number (always in DL). */
push %ax
push %bx
#ifdef APPLE_CC
grub_drivemap_mapstart_ofs = INT13H_OFFSET(EXT_C(grub_drivemap_mapstart))
movw $grub_drivemap_mapstart_ofs, %bx
#else
movw $INT13H_OFFSET(EXT_C(grub_drivemap_mapstart)), %bx
#endif
movw $INT13H_OFFSET(LOCAL (mapstart)), %bx
more_remaining:
movw %cs:(%bx), %ax
@ -66,12 +62,7 @@ not_found:
popf
pushf
#ifdef APPLE_CC
grub_drivemap_oldhandler_ofs = INT13H_OFFSET (EXT_C (grub_drivemap_oldhandler))
lcall *%cs:grub_drivemap_oldhandler_ofs
#else
lcall *%cs:INT13H_OFFSET (EXT_C (grub_drivemap_oldhandler))
#endif
lcall *%cs:INT13H_OFFSET (LOCAL (oldhandler))
push %bp
mov %sp, %bp
@ -94,11 +85,7 @@ norestore:
popf
pushf
#ifdef APPLE_CC
lcall *%cs:grub_drivemap_oldhandler_ofs
#else
lcall *%cs:INT13H_OFFSET (EXT_C (grub_drivemap_oldhandler))
#endif
lcall *%cs:INT13H_OFFSET (LOCAL (oldhandler))
push %bp
mov %sp, %bp
@ -111,9 +98,13 @@ norestore:
/* Far pointer to the old handler. Stored as a CS:IP in the style of real-mode
IVT entries (thus PI:SC in mem). */
VARIABLE(grub_drivemap_oldhandler)
LOCAL (oldhandler):
.word 0x0, 0x0
/* This label MUST be at the end of the copied block, since the installer code
reserves additional space for mappings at runtime and copies them over it. */
.align 2
.align 2
VARIABLE(grub_drivemap_mapstart)
LOCAL (mapstart):
.byte 0

11
commands/loadenv.c
View file

@ -235,10 +235,8 @@ check_blocklists (grub_envblk_t envblk, struct blocklist *blocklists,
/* One more sanity check. Re-read all sectors by blocklists, and compare
those with the data read via a file. */
disk = file->device->disk;
if (disk->partition)
part_start = grub_partition_get_start (disk->partition);
else
part_start = 0;
part_start = grub_partition_get_start (disk->partition);
buf = grub_envblk_buffer (envblk);
for (p = blocklists, index = 0; p; index += p->length, p = p->next)
@ -268,10 +266,7 @@ write_blocklists (grub_envblk_t envblk, struct blocklist *blocklists,
buf = grub_envblk_buffer (envblk);
disk = file->device->disk;
if (disk->partition)
part_start = grub_partition_get_start (disk->partition);
else
part_start = 0;
part_start = grub_partition_get_start (disk->partition);
index = 0;
for (p = blocklists; p; index += p->length, p = p->next)