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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/mainboard/kontron
parent3e77eb6d1e0a3ff9c0a32504a5221dc57b10506c (diff)
downloadcoreboot-503af721a1f2c831fb360d1c1b2af38e0866fc35.tar.xz
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/mainboard/kontron')
-rw-r--r--src/mainboard/kontron/986lcd-m/mainboard.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mainboard/kontron/986lcd-m/mainboard.c b/src/mainboard/kontron/986lcd-m/mainboard.c
index cde43898cf..3951ce663f 100644
--- a/src/mainboard/kontron/986lcd-m/mainboard.c
+++ b/src/mainboard/kontron/986lcd-m/mainboard.c
@@ -66,7 +66,7 @@ static int int15_handler(void)
#if defined(CONFIG_PCI_OPTION_ROM_RUN_REALMODE) && CONFIG_PCI_OPTION_ROM_RUN_REALMODE
static int int15_handler(struct eregs *regs)
{
- int res = -1;
+ int res = 0;
/* This int15 handler is Intel IGD. specific. Other chipsets need other
* handlers. The right way to do this is to move this handler code into
@@ -87,13 +87,13 @@ static int int15_handler(struct eregs *regs)
case 0x5f35:
regs->eax = 0x5f;
regs->ecx = BOOT_DISPLAY_DEFAULT;
- res = 0;
+ res = 1;
break;
case 0x5f40:
regs->eax = 0x5f;
regs->ecx = 3; // This is mainboard specific
printk(BIOS_DEBUG, "DISPLAY=%x\n", regs->ecx);
- res = 0;
+ res = 1;
break;
default:
printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n",