diff options
| author | Damien Zammit <damien@zamaudio.com> | 2021-04-05 15:29:13 +1000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2021-04-05 11:59:23 +0200 |
| commit | e98e3436e2d9ac9fa8883d9786b5d31760d18009 (patch) | |
| tree | 03e38b900a5d3b2140033c9439f94c8e6652d4ac | |
| parent | b21f84ef1bb9e9ba69bfea069295ad4618f671eb (diff) | |
ioapic: Enable processor focus to BSP
Message-Id: <20210405052916.174771-2-damien@zamaudio.com>
| -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; |