diff options
Diffstat (limited to 'src/sys/arch/amd64/mainbus/intr.c')
| -rw-r--r-- | src/sys/arch/amd64/mainbus/intr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/sys/arch/amd64/mainbus/intr.c b/src/sys/arch/amd64/mainbus/intr.c index 01d4f54..d2215b4 100644 --- a/src/sys/arch/amd64/mainbus/intr.c +++ b/src/sys/arch/amd64/mainbus/intr.c @@ -58,7 +58,11 @@ intr_register(const struct intr_hand *ih) return NULL; } - vec = MAX(ih->ipl << IPL_SHIFT, 0x20); + /* + * The first 0x20 to 0x5F interrupt vectors are + * reserved for I/O APIC input pins + */ + vec = MAX(ih->ipl << IPL_SHIFT, 0x60); /* * We can have up to 15 interrupt vectors per |