diff options
Diffstat (limited to 'mubios/drivers/ioapic.c')
| -rw-r--r-- | mubios/drivers/ioapic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mubios/drivers/ioapic.c b/mubios/drivers/ioapic.c index 98f2210..97c9d15 100644 --- a/mubios/drivers/ioapic.c +++ b/mubios/drivers/ioapic.c @@ -27,8 +27,11 @@ #define IOAPIC_IRQ0_LOW 0x10u #define IOAPIC_IRQ0_HIGH 0x11u +#define IOAPIC_IRQ1_LOW 0x12u +#define IOAPIC_IRQ1_HIGH 0x13u #define IOAPIC_IRQ0_EXTINT 0x00000700u +#define IOAPIC_IRQ1_EXTINT 0x00000700u #define IA32_APIC_BASE_MSR 0x0000001Bu #define APIC_BASE 0xFEE00000u @@ -84,4 +87,10 @@ ioapic_init (void) */ ioapic_write (IOAPIC_IRQ0_LOW, IOAPIC_IRQ0_EXTINT); ioapic_write (IOAPIC_IRQ0_HIGH, 0x00000000u); + + /* + * Route the keyboard IRQ through the legacy PIC ExtINT path. + */ + ioapic_write (IOAPIC_IRQ1_LOW, IOAPIC_IRQ1_EXTINT); + ioapic_write (IOAPIC_IRQ1_HIGH, 0x00000000u); } |