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Diffstat (limited to 'src/devices/oprom/realmode/x86.c')
-rw-r--r--src/devices/oprom/realmode/x86.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/devices/oprom/realmode/x86.c b/src/devices/oprom/realmode/x86.c
index 32d24ec1c3..2e016176f9 100644
--- a/src/devices/oprom/realmode/x86.c
+++ b/src/devices/oprom/realmode/x86.c
@@ -402,7 +402,7 @@ int __attribute__((regparm(0))) interrupt_handler(u32 intnumber,
u32 ip;
u32 cs;
u32 flags;
- int ret = -1;
+ int ret = 0;
struct eregs reg_info;
ip = cs_ip & 0xffff;
@@ -455,15 +455,17 @@ int __attribute__((regparm(0))) interrupt_handler(u32 intnumber,
*(volatile u32 *)&edi = reg_info.edi;
flags = reg_info.eflags;
- /* Pass errors back to our caller via the CARRY flag */
+ /* Pass success or error back to our caller via the CARRY flag */
if (ret) {
+ flags &= ~1; // no error: clear carry
+ }else{
printk(BIOS_DEBUG,"int%02x call returned error.\n", intnumber);
flags |= 1; // error: set carry
- }else{
- flags &= ~1; // no error: clear carry
}
*(volatile u16 *)&stackflags = flags;
+ /* The assembler code doesn't actually care for the return value,
+ * but keep it around so its expectations are met */
return ret;
}