| /kernel/trunk/core/apic.inc |
|---|
| 371,6 → 371,33 |
| ret |
| endp |
| proc disable_irq stdcall, irq_line:dword |
| mov ebx, [irq_line] |
| cmp [irq_mode], IRQ_APIC |
| je .APIC |
| mov edx, 0x21 |
| cmp ebx, 8 |
| jb @F |
| mov edx, 0xA1 |
| sub ebx, 8 |
| @@: |
| in al, dx |
| bts eax, ebx |
| out dx, al |
| ret |
| .APIC: |
| shl ebx, 1 |
| add ebx, 0x10 |
| mov eax, ebx |
| call IOAPIC_read |
| or eax, 0x10000; bit 16 |
| xchg eax, ebx |
| call IOAPIC_write |
| ret |
| endp |
| align 4 |
| pci_irq_fixup: |