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/cn400 | |
| 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/cn400')
| -rw-r--r-- | src/northbridge/via/cn400/vga.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/northbridge/via/cn400/vga.c b/src/northbridge/via/cn400/vga.c index 8c75a4fa30..fa598aa8fa 100644 --- a/src/northbridge/via/cn400/vga.c +++ b/src/northbridge/via/cn400/vga.c @@ -39,7 +39,7 @@ static int via_cn400_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; printk(BIOS_DEBUG, "via_cn400_int15_handler\n"); switch(regs->eax & 0xffff) { case 0x5f19: @@ -48,7 +48,7 @@ static int via_cn400_int15_handler(struct eregs *regs) regs->eax=0x5f; regs->ebx=0x545; // MCLK = 133, 32M frame buffer, 256 M main memory regs->ecx=0x060; - res=0; + res=1; break; case 0x5f00: regs->eax = 0x8600; @@ -56,14 +56,14 @@ static int via_cn400_int15_handler(struct eregs *regs) case 0x5f01: regs->eax = 0x5f; regs->ecx = (regs->ecx & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768 - res = 0; + res = 1; break; case 0x5f02: regs->eax=0x5f; regs->ebx= (regs->ebx & 0xffff0000) | 2; regs->ecx= (regs->ecx & 0xffff0000) | 0x401; // PAL + crt only regs->edx= (regs->edx & 0xffff0000) | 0; // TV Layout - default - res=0; + res=1; break; case 0x5f0f: regs->eax=0x860f; |