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head/sys/x86/x86/io_apic.c
| Show First 20 Lines • Show All 145 Lines • ▼ Show 20 Lines | |||||
| static void | static void | ||||
| _ioapic_eoi_source(struct intsrc *isrc, int locked) | _ioapic_eoi_source(struct intsrc *isrc, int locked) | ||||
| { | { | ||||
| struct ioapic_intsrc *src; | struct ioapic_intsrc *src; | ||||
| struct ioapic *io; | struct ioapic *io; | ||||
| volatile uint32_t *apic_eoi; | volatile uint32_t *apic_eoi; | ||||
| uint32_t low1; | uint32_t low1; | ||||
| lapic_eoi(); | src = (struct ioapic_intsrc *)isrc; | ||||
| lapic_eoi(src->io_vector); | |||||
| if (!lapic_eoi_suppression) | if (!lapic_eoi_suppression) | ||||
| return; | return; | ||||
| src = (struct ioapic_intsrc *)isrc; | |||||
| if (src->io_edgetrigger) | if (src->io_edgetrigger) | ||||
| return; | return; | ||||
| io = (struct ioapic *)isrc->is_pic; | io = (struct ioapic *)isrc->is_pic; | ||||
| /* | /* | ||||
| * Handle targeted EOI for level-triggered pins, if broadcast | * Handle targeted EOI for level-triggered pins, if broadcast | ||||
| * EOI suppression is supported by LAPICs. | * EOI suppression is supported by LAPICs. | ||||
| */ | */ | ||||
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