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authorPatrick Georgi <patrick.georgi@secunet.com>2012-11-22 10:48:18 +0100
committerStefan Reinauer <stefan.reinauer@coreboot.org>2012-11-24 20:06:24 +0100
commit503af721a1f2c831fb360d1c1b2af38e0866fc35 (patch)
tree9dc68c4b43e29ce22d66247f0c2bafcbce5a4fe7 /src/northbridge/via/cn700
parent3e77eb6d1e0a3ff9c0a32504a5221dc57b10506c (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/cn700')
-rw-r--r--src/northbridge/via/cn700/vga.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/northbridge/via/cn700/vga.c b/src/northbridge/via/cn700/vga.c
index d184644fd4..c23145976a 100644
--- a/src/northbridge/via/cn700/vga.c
+++ b/src/northbridge/via/cn700/vga.c
@@ -39,7 +39,7 @@
static int via_cn700_int15_handler(struct eregs *regs)
{
- int res=-1;
+ int res=0;
printk(BIOS_DEBUG, "via_cn700_int15_handler\n");
switch(regs->eax & 0xffff) {
case 0x5f19:
@@ -48,7 +48,7 @@ static int via_cn700_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_cn700_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;