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Don't accept text modes on EFI when booting Linux.

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* grub-core/loader/i386/linux.c (ACCEPTS_PURE_TEXT): New define.
	(grub_linux_boot) [!ACCEPTS_PURE_TEXT]: Restrict to graphics modes.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-08-16 16:11:10 +02:00
parent 828bc390d8
commit b1257f6533
2 changed files with 22 additions and 2 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2011-08-16 Vladimir Serbinenko <phcoder@gmail.com>
Don't accept text modes on EFI when booting Linux.
* grub-core/loader/i386/linux.c (ACCEPTS_PURE_TEXT): New define.
(grub_linux_boot) [!ACCEPTS_PURE_TEXT]: Restrict to graphics modes.
2011-08-15 Mario Limonciello <mario_limonciello@dell.com>
2011-08-15 Colin Watson <cjwatson@ubuntu.com>

17
grub-core/loader/i386/linux.c
View file

@ -45,15 +45,18 @@ GRUB_MOD_LICENSE ("GPLv3+");
#include <grub/efi/efi.h>
#define HAS_VGA_TEXT 0
#define DEFAULT_VIDEO_MODE "auto"
#define ACCEPTS_PURE_TEXT 0
#elif defined (GRUB_MACHINE_IEEE1275)
#include <grub/ieee1275/ieee1275.h>
#define HAS_VGA_TEXT 0
#define DEFAULT_VIDEO_MODE "text"
#define ACCEPTS_PURE_TEXT 1
#else
#include <grub/i386/pc/vbe.h>
#include <grub/i386/pc/console.h>
#define HAS_VGA_TEXT 1
#define DEFAULT_VIDEO_MODE "text"
#define ACCEPTS_PURE_TEXT 1
#endif
#define GRUB_LINUX_CL_OFFSET 0x1000
@ -483,12 +486,22 @@ grub_linux_boot (void)
tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar);
if (! tmp)
return grub_errno;
#if ACCEPTS_PURE_TEXT
err = grub_video_set_mode (tmp, 0, 0);
#else
err = grub_video_set_mode (tmp, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
#endif
grub_free (tmp);
}
else
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0);
{
#if ACCEPTS_PURE_TEXT
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0);
#else
err = grub_video_set_mode (DEFAULT_VIDEO_MODE,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
#endif
}
if (err)
{
grub_print_error ();