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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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190
grub-core/loader/i386/linux.c
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@ -35,6 +35,10 @@
#include <grub/i386/relocator.h>
#include <grub/i18n.h>
#ifdef GRUB_MACHINE_PCBIOS
#include <grub/i386/pc/vesa_modes_table.h>
#endif
#ifdef GRUB_MACHINE_EFI
#include <grub/efi/efi.h>
#define HAS_VGA_TEXT 0
@ -89,175 +93,6 @@ static struct idt_descriptor idt_desc =
};
#endif
#ifdef GRUB_MACHINE_PCBIOS
struct linux_vesafb_res
{
grub_uint16_t width;
grub_uint16_t height;
};
struct linux_vesafb_mode
{
grub_uint8_t res_index;
grub_uint8_t depth;
};
enum vga_modes
{
VGA_320_200,
VGA_640_400,
VGA_640_480,
VGA_800_500,
VGA_800_600,
VGA_896_672,
VGA_1024_640,
VGA_1024_768,
VGA_1152_720,
VGA_1280_1024,
VGA_1440_900,
VGA_1600_1200,
};
static struct linux_vesafb_res linux_vesafb_res[] =
{
{ 320, 200 },
{ 640, 400 },
{ 640, 480 },
{ 800, 500 },
{ 800, 600 },
{ 896, 672 },
{ 1024, 640 },
{ 1024, 768 },
{ 1152, 720 },
{ 1280, 1024 },
{ 1440, 900 },
{ 1600, 1200 },
};
/* 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 linux_vesafb_mode linux_vesafb_modes[] =
{
{ VGA_640_400, 8 }, /* 0x300 */
{ VGA_640_480, 8 }, /* 0x301 */
{ VGA_800_600, 4 }, /* 0x302 */
{ VGA_800_600, 8 }, /* 0x303 */
{ VGA_1024_768, 4 }, /* 0x304 */
{ VGA_1024_768, 8 }, /* 0x305 */
{ VGA_1280_1024, 4 }, /* 0x306 */
{ VGA_1280_1024, 8 }, /* 0x307 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_320_200, 15 }, /* 0x30d */
{ VGA_320_200, 16 }, /* 0x30e */
{ VGA_320_200, 24 }, /* 0x30f */
{ VGA_640_480, 15 }, /* 0x310 */
{ VGA_640_480, 16 }, /* 0x311 */
{ VGA_640_480, 24 }, /* 0x312 */
{ VGA_800_600, 15 }, /* 0x313 */
{ VGA_800_600, 16 }, /* 0x314 */
{ VGA_800_600, 24 }, /* 0x315 */
{ VGA_1024_768, 15 }, /* 0x316 */
{ VGA_1024_768, 16 }, /* 0x317 */
{ VGA_1024_768, 24 }, /* 0x318 */
{ VGA_1280_1024, 15 }, /* 0x319 */
{ VGA_1280_1024, 16 }, /* 0x31a */
{ VGA_1280_1024, 24 }, /* 0x31b */
{ VGA_1600_1200, 8 }, /* 0x31c */
{ VGA_1600_1200, 15 }, /* 0x31d */
{ VGA_1600_1200, 16 }, /* 0x31e */
{ VGA_1600_1200, 24 }, /* 0x31f */
{ 0, 0 },
{ VGA_640_400, 15 }, /* 0x321 */
{ VGA_640_400, 16 }, /* 0x322 */
{ VGA_640_400, 24 }, /* 0x323 */
{ VGA_640_400, 32 }, /* 0x324 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_640_480, 32 }, /* 0x329 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_896_672, 8 }, /* 0x32f */
{ VGA_896_672, 15 }, /* 0x330 */
{ VGA_896_672, 16 }, /* 0x331 */
{ VGA_896_672, 24 }, /* 0x332 */
{ VGA_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 },
{ VGA_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 },
{ VGA_1440_900, 8 }, /* 0x360 */
{ VGA_1440_900, 15 }, /* 0x361 */
{ VGA_1440_900, 16 }, /* 0x362 */
{ VGA_1440_900, 24 }, /* 0x363 */
{ VGA_1440_900, 32 }, /* 0x364 */
{ VGA_1152_720, 8 }, /* 0x365 */
{ VGA_1152_720, 15 }, /* 0x366 */
{ VGA_1152_720, 16 }, /* 0x367 */
{ VGA_1152_720, 24 }, /* 0x368 */
{ VGA_1152_720, 32 }, /* 0x369 */
{ VGA_1024_640, 8 }, /* 0x36a */
{ VGA_1024_640, 15 }, /* 0x36b */
{ VGA_1024_640, 16 }, /* 0x36c */
{ VGA_1024_640, 24 }, /* 0x36d */
{ VGA_1024_640, 32 }, /* 0x36e */
{ VGA_800_500, 8 }, /* 0x36f */
{ VGA_800_500, 15 }, /* 0x370 */
{ VGA_800_500, 16 }, /* 0x371 */
{ VGA_800_500, 24 }, /* 0x372 */
{ VGA_800_500, 32 }, /* 0x373 */
};
#endif
static inline grub_size_t
page_align (grub_size_t size)
{
@ -882,7 +717,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
/* Video mode selection support. */
char *val = argv[i] + 4;
unsigned vid_mode = GRUB_LINUX_VID_MODE_NORMAL;
struct linux_vesafb_mode *linux_mode;
struct grub_vesa_mode_table_entry *linux_mode;
grub_err_t err;
char *buf;
@ -925,9 +760,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
break;
default:
/* Ignore invalid values. */
if (vid_mode < GRUB_LINUX_VID_MODE_VESA_START ||
vid_mode >= GRUB_LINUX_VID_MODE_VESA_START +
ARRAY_SIZE (linux_vesafb_modes))
if (vid_mode < GRUB_VESA_MODE_TABLE_START ||
vid_mode > GRUB_VESA_MODE_TABLE_END)
{
grub_env_set ("gfxpayload", "text");
grub_printf ("%s is deprecated. Mode %d isn't recognized. "
@ -941,15 +775,13 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
is built-in because `vga=' parameter was used. */
params->have_vga = GRUB_VIDEO_LINUX_TYPE_VESA;
linux_mode
= &linux_vesafb_modes[vid_mode - GRUB_LINUX_VID_MODE_VESA_START];
linux_mode = &grub_vesa_mode_table[vid_mode
- GRUB_VESA_MODE_TABLE_START];
buf = grub_xasprintf ("%ux%ux%u,%ux%u",
linux_vesafb_res[linux_mode->res_index].width,
linux_vesafb_res[linux_mode->res_index].height,
linux_mode->width, linux_mode->height,
linux_mode->depth,
linux_vesafb_res[linux_mode->res_index].width,
linux_vesafb_res[linux_mode->res_index].height);
linux_mode->width, linux_mode->height);
if (! buf)
goto fail;