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x86 realmode: Adapt to x86emu/YABEL style return codes

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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>
This commit is contained in:
Patrick Georgi
2012-11-22 10:48:18 +01:00
committed by Stefan Reinauer
parent 3e77eb6d1e
commit 503af721a1
13 changed files with 87 additions and 85 deletions
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6
src/mainboard/kontron/986lcd-m/mainboard.c
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@@ -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",