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Transform legacy mode numbers into resolution specification

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-15 11:39:53 +02:00
parent 44224d3948
commit e31bb61911
5 changed files with 179 additions and 183 deletions
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127
grub-core/lib/i386/pc/vesa_modes_table.c Normal file
View file

@ -0,0 +1,127 @@
#include <grub/i386/pc/vesa_modes_table.h>
/* This is the reverse of the table in [linux]/Documentation/fb/vesafb.txt
plus a few more modes based on the table in
http://en.wikipedia.org/wiki/VESA_BIOS_Extensions */
struct grub_vesa_mode_table_entry
grub_vesa_mode_table[GRUB_VESA_MODE_TABLE_END
- GRUB_VESA_MODE_TABLE_START + 1] =
{
{ 640, 400, 8 }, /* 0x300 */
{ 640, 480, 8 }, /* 0x301 */
{ 800, 600, 4 }, /* 0x302 */
{ 800, 600, 8 }, /* 0x303 */
{ 1024, 768, 4 }, /* 0x304 */
{ 1024, 768, 8 }, /* 0x305 */
{ 1280, 1024, 4 }, /* 0x306 */
{ 1280, 1024, 8 }, /* 0x307 */
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 320, 200, 15 }, /* 0x30d */
{ 320, 200, 16 }, /* 0x30e */
{ 320, 200, 24 }, /* 0x30f */
{ 640, 480, 15 }, /* 0x310 */
{ 640, 480, 16 }, /* 0x311 */
{ 640, 480, 24 }, /* 0x312 */
{ 800, 600, 15 }, /* 0x313 */
{ 800, 600, 16 }, /* 0x314 */
{ 800, 600, 24 }, /* 0x315 */
{ 1024, 768, 15 }, /* 0x316 */
{ 1024, 768, 16 }, /* 0x317 */
{ 1024, 768, 24 }, /* 0x318 */
{ 1280, 1024, 15 }, /* 0x319 */
{ 1280, 1024, 16 }, /* 0x31a */
{ 1280, 1024, 24 }, /* 0x31b */
{ 1600, 1200, 8 }, /* 0x31c */
{ 1600, 1200, 15 }, /* 0x31d */
{ 1600, 1200, 16 }, /* 0x31e */
{ 1600, 1200, 24 }, /* 0x31f */
{ 0, 0, 0 },
{ 640, 400, 15 }, /* 0x321 */
{ 640, 400, 16 }, /* 0x322 */
{ 640, 400, 24 }, /* 0x323 */
{ 640, 400, 32 }, /* 0x324 */
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 640, 480, 32 }, /* 0x329 */
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 896, 672, 8 }, /* 0x32f */
{ 896, 672, 15 }, /* 0x330 */
{ 896, 672, 16 }, /* 0x331 */
{ 896, 672, 24 }, /* 0x332 */
{ 896, 672, 32 }, /* 0x333 */
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 1600, 1200, 32 }, /* 0x342 */
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 1440, 900, 8 }, /* 0x360 */
{ 1440, 900, 15 }, /* 0x361 */
{ 1440, 900, 16 }, /* 0x362 */
{ 1440, 900, 24 }, /* 0x363 */
{ 1440, 900, 32 }, /* 0x364 */
{ 1152, 720, 8 }, /* 0x365 */
{ 1152, 720, 15 }, /* 0x366 */
{ 1152, 720, 16 }, /* 0x367 */
{ 1152, 720, 24 }, /* 0x368 */
{ 1152, 720, 32 }, /* 0x369 */
{ 1024, 640, 8 }, /* 0x36a */
{ 1024, 640, 15 }, /* 0x36b */
{ 1024, 640, 16 }, /* 0x36c */
{ 1024, 640, 24 }, /* 0x36d */
{ 1024, 640, 32 }, /* 0x36e */
{ 800, 500, 8 }, /* 0x36f */
{ 800, 500, 15 }, /* 0x370 */
{ 800, 500, 16 }, /* 0x371 */
{ 800, 500, 24 }, /* 0x372 */
{ 800, 500, 32 }, /* 0x373 */
};

42
grub-core/lib/legacy_parse.c
View file

@ -21,6 +21,7 @@
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/legacy_parse.h>
#include <grub/i386/pc/vesa_modes_table.h>
struct legacy_command
{
@ -40,7 +41,8 @@ struct legacy_command
TYPE_PARTITION,
TYPE_BOOL,
TYPE_INT,
TYPE_REST_VERBATIM
TYPE_REST_VERBATIM,
TYPE_VBE_MODE
} argt[4];
enum {
FLAG_IGNORE_REST = 1,
@ -264,7 +266,8 @@ struct legacy_command legacy_commands[] =
" compares them, to test the filesystem code. "
" If this test succeeds, then a good next"
" step is to try loading a kernel."},
/* FIXME: testvbe unsupported. */
{"testvbe", "insmod vbe; videotest '%s'\n", NULL, 0, 1, {TYPE_VBE_MODE}, 0,
"MODE", "Test the VBE mode MODE. Hit any key to return."},
/* FIXME: tftpserver unsupported. */
{"timeout", "set timeout=%s\n", NULL, 0, 1, {TYPE_INT}, 0, "SEC",
"Set a timeout, in SEC seconds, before automatically booting the"
@ -278,7 +281,7 @@ struct legacy_command legacy_commands[] =
{"uuid", "search --set=root --fs-uuid '%s'\n", NULL, 0, 1, {TYPE_VERBATIM},
0, "UUID", "Find root by UUID"},
/* FIXME: support MODE. */
{"vbeprobe", "vbeinfo\n", NULL, 0, 0, {}, 0, "[MODE]",
{"vbeprobe", "insmod vbe; videoinfo\n", NULL, 0, 0, {}, 0, "[MODE]",
"Probe VBE information. If the mode number MODE is specified, show only"
" the information about only the mode."}
};
@ -566,6 +569,34 @@ grub_legacy_parse (const char *buf, char **entryname, char **suffix)
args[i] = grub_strndup (curarg, brk - curarg);
}
break;
case TYPE_VBE_MODE:
{
unsigned mod;
struct grub_vesa_mode_table_entry *modedesc;
mod = grub_strtoul (curarg, 0, 0);
if (grub_errno)
{
mod = 0;
grub_errno = GRUB_ERR_NONE;
}
if (mod < GRUB_VESA_MODE_TABLE_START
|| mod > GRUB_VESA_MODE_TABLE_END)
{
args[i] = grub_strdup ("auto");
break;
}
modedesc = &grub_vesa_mode_table[mod - GRUB_VESA_MODE_TABLE_START];
if (!modedesc->width)
{
args[i] = grub_strdup ("auto");
break;
}
args[i] = grub_xasprintf ("%ux%ux%u",
modedesc->width, modedesc->height,
modedesc->depth);
break;
}
case TYPE_BOOL:
if (curarglen == 2 && curarg[0] == 'o' && curarg[1] == 'n')
args[i] = grub_strdup ("1");
@ -599,7 +630,10 @@ grub_legacy_parse (const char *buf, char **entryname, char **suffix)
case TYPE_BOOL:
case TYPE_INT:
args[i] = grub_strdup ("0");
break;
break;
case TYPE_VBE_MODE:
args[i] = grub_strdup ("auto");
break;
}
if (legacy_commands[cmdnum].flags & FLAG_COLOR_INVERT)