diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2008-01-30 13:33:02 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:02 +0100 |
| commit | 1cac5004e953506166e980da5776d5cc1c176d79 (patch) | |
| tree | da90c8870839b0445b45b39b473c8715afc31424 /arch/x86/boot/video.c | |
| parent | 02a7b425e82cd0052e5eaedbae81a522c6aae6c4 (diff) | |
x86 setup: display VESA graphics modes in vga=ask menu
Display VESA graphics modes, with their mode IDs, in the vga=ask
menu. Most VESA mode numbers are platform-dependent, so it helps to
have an easy way to display them.
Based in part on a patch by Petr Vandrovec <petr@vandrovec.name>.
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/boot/video.c')
| -rw-r--r-- | arch/x86/boot/video.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c index ad9712f01739..696d08f3843c 100644 --- a/arch/x86/boot/video.c +++ b/arch/x86/boot/video.c @@ -293,13 +293,28 @@ static void display_menu(void) struct mode_info *mi; char ch; int i; + int nmodes; + int modes_per_line; + int col; - puts("Mode: COLSxROWS:\n"); + nmodes = 0; + for (card = video_cards; card < video_cards_end; card++) + nmodes += card->nmodes; + modes_per_line = 1; + if (nmodes >= 20) + modes_per_line = 3; + + for (col = 0; col < modes_per_line; col++) + puts("Mode: Resolution: Type: "); + putchar('\n'); + + col = 0; ch = '0'; for (card = video_cards; card < video_cards_end; card++) { mi = card->modes; for (i = 0; i < card->nmodes; i++, mi++) { + char resbuf[32]; int visible = mi->x && mi->y; u16 mode_id = mi->mode ? mi->mode : (mi->y << 8)+mi->x; @@ -307,8 +322,18 @@ static void display_menu(void) if (!visible) continue; /* Hidden mode */ - printf("%c %04X %3dx%-3d %s\n", - ch, mode_id, mi->x, mi->y, card->card_name); + if (mi->depth) + sprintf(resbuf, "%dx%d", mi->y, mi->depth); + else + sprintf(resbuf, "%d", mi->y); + + printf("%c %03X %4dx%-7s %-6s", + ch, mode_id, mi->x, resbuf, card->card_name); + col++; + if (col >= modes_per_line) { + putchar('\n'); + col = 0; + } if (ch == '9') ch = 'a'; @@ -318,6 +343,8 @@ static void display_menu(void) ch++; } } + if (col) + putchar('\n'); } #define H(x) ((x)-'a'+10) |