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/mainboard/samsung/stumpy/mainboard.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/mainboard/samsung/stumpy/mainboard.c')
| -rw-r--r-- | src/mainboard/samsung/stumpy/mainboard.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/mainboard/samsung/stumpy/mainboard.c b/src/mainboard/samsung/stumpy/mainboard.c index eab75f4ab1..fe70948f10 100644 --- a/src/mainboard/samsung/stumpy/mainboard.c +++ b/src/mainboard/samsung/stumpy/mainboard.c @@ -45,7 +45,7 @@ void mainboard_suspend_resume(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; printk(BIOS_DEBUG, "%s: INT15 function %04x!\n", __func__, regs->eax & 0xffff); @@ -63,7 +63,7 @@ static int int15_handler(struct eregs *regs) regs->eax |= 0x005f; regs->ecx &= 0xffffff00; regs->ecx |= 0x01; - res = 0; + res = 1; break; case 0x5f35: /* @@ -81,7 +81,7 @@ static int int15_handler(struct eregs *regs) regs->eax |= 0x005f; regs->ecx &= 0xffff0000; regs->ecx |= 0x0000; - res = 0; + res = 1; break; case 0x5f51: /* @@ -95,7 +95,7 @@ static int int15_handler(struct eregs *regs) regs->eax |= 0x005f; regs->ecx &= 0xffff0000; regs->ecx |= 0x0003; - res = 0; + res = 1; break; case 0x5f70: switch ((regs->ecx >> 8) & 0xff) { @@ -105,7 +105,7 @@ static int int15_handler(struct eregs *regs) regs->eax |= 0x005f; regs->ecx &= 0xffff0000; regs->ecx |= 0x0000; - res = 0; + res = 1; break; case 1: /* Set Mux */ @@ -113,7 +113,7 @@ static int int15_handler(struct eregs *regs) regs->eax |= 0x005f; regs->ecx &= 0xffff0000; regs->ecx |= 0x0000; - res = 0; + res = 1; break; case 2: /* Get SG/Non-SG mode */ @@ -121,13 +121,13 @@ static int int15_handler(struct eregs *regs) regs->eax |= 0x005f; regs->ecx &= 0xffff0000; regs->ecx |= 0x0000; - res = 0; + res = 1; break; default: - /* Interrupt was not handled */ + /* FIXME: Interrupt was not handled, but return sucess? */ printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n", ((regs->ecx >> 8) & 0xff)); - return 0; + return 1; } break; |