diff options
-rw-r--r-- | i386/i386/apic.h | 1 | ||||
-rw-r--r-- | i386/i386at/ioapic.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/i386/i386/apic.h b/i386/i386/apic.h index 83f7776c..d63dbfcc 100644 --- a/i386/i386/apic.h +++ b/i386/i386/apic.h @@ -173,6 +173,7 @@ extern inline void unmask_irq (unsigned int irq_nr); # define IMCR_USE_APIC 1 #define LAPIC_ENABLE 0x100 +#define LAPIC_FOCUS 0x200 #define LAPIC_NMI 0x400 #define LAPIC_DISABLE 0x10000 #define LAPIC_TIMER_PERIODIC 0x20000 diff --git a/i386/i386at/ioapic.c b/i386/i386at/ioapic.c index 016bd941..16836016 100644 --- a/i386/i386at/ioapic.c +++ b/i386/i386at/ioapic.c @@ -378,6 +378,9 @@ ioapic_configure(void) global_enable_apic(); + /* Enable IOAPIC processor focus */ + lapic->spurious_vector.r |= LAPIC_FOCUS; + /* Enable IOAPIC interrupts */ lapic->spurious_vector.r |= LAPIC_ENABLE; |