diff options
| author | Patrick Georgi <patrick.georgi@secunet.com> | 2012-11-22 10:48:18 +0100 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-11-24 20:06:24 +0100 |
| commit | 503af721a1f2c831fb360d1c1b2af38e0866fc35 (patch) | |
| tree | 9dc68c4b43e29ce22d66247f0c2bafcbce5a4fe7 /src/northbridge/via/cx700/vga.c | |
| parent | 3e77eb6d1e0a3ff9c0a32504a5221dc57b10506c (diff) | |
x86 realmode: Adapt to x86emu/YABEL style return codes
realmode int handlers must return the same codes as the YABEL
int handlers now: 1 for "interrupt handled", 0 for "not handled"
(ie. error).
Change-Id: Idc01cf64e2c97150fc4643671a0bc4cca2ae6668
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/1890
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/northbridge/via/cx700/vga.c')
| -rw-r--r-- | src/northbridge/via/cx700/vga.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/northbridge/via/cx700/vga.c b/src/northbridge/via/cx700/vga.c index 4acad7e852..658535d6aa 100644 --- a/src/northbridge/via/cx700/vga.c +++ b/src/northbridge/via/cx700/vga.c @@ -46,7 +46,7 @@ static int via_cx700_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; u8 mem_speed; #define MEMORY_SPEED_66MHZ (0 << 4) @@ -70,14 +70,14 @@ static int via_cx700_int15_handler(struct eregs *regs) switch(regs->eax & 0xffff) { case 0x5f00: /* VGA POST Initialization Signal */ regs->eax = (regs->eax & 0xffff0000 ) | 0x5f; - res = 0; + res = 1; break; case 0x5f01: /* Software Panel Type Configuration */ regs->eax = (regs->eax & 0xffff0000 ) | 0x5f; // panel type = 2 = 1024 * 768 regs->ecx = (regs->ecx & 0xffffff00 ) | 2; - res = 0; + res = 1; break; case 0x5f27: /* Boot Device Selection */ @@ -87,7 +87,7 @@ static int via_cx700_int15_handler(struct eregs *regs) regs->ecx = 0x00000000; // 0 -> default // TV Layout - default regs->edx = (regs->edx & 0xffffff00) | 0; - res=0; + res=1; break; case 0x5f0b: /* Get Expansion Setting */ @@ -95,12 +95,12 @@ static int via_cx700_int15_handler(struct eregs *regs) regs->ecx = regs->ecx & 0xffffff00; // non-expansion // regs->ecx = regs->ecx & 0xffffff00 | 1; // expansion - res=0; + res=1; break; case 0x5f0f: /* VGA Post Completion */ regs->eax = (regs->eax & 0xffff0000 ) | 0x5f; - res=0; + res=1; break; case 0x5f18: @@ -117,7 +117,7 @@ static int via_cx700_int15_handler(struct eregs *regs) regs->ebx |= memory_mapping[mem_speed]; - res=0; + res=1; break; default: |