| /kernel/trunk/core/irq.inc |
|---|
| 143,22 → 143,7 |
| ret |
| endp |
| align 4 |
| proc enable_irq stdcall, irq_line:dword |
| mov ebx, [irq_line] |
| mov edx, 0x21 |
| cmp ebx, 8 |
| jb @F |
| mov edx, 0xA1 |
| sub ebx,8 |
| @@: |
| in al,dx |
| btr eax, ebx |
| out dx, al |
| ret |
| endp |
| macro irq_serv_h [num] { |
| forward |
| align 4 |
| 246,15 → 231,22 |
| .exit: |
| mov [check_idle_semaphore],5 |
| cmp bp, 8 |
| mov al, 0x20 |
| jb @f |
| out 0xa0, al |
| @@: |
| out 0x20, al |
| mov ecx, ebp |
| call irq_eoi |
| restore_ring3_context |
| add esp, 4 |
| iret |
| align 4 |
| irqD: |
| push eax |
| push ecx |
| xor eax,eax |
| out 0xf0,al |
| mov cl, 13 |
| call irq_eoi |
| pop ecx |
| pop eax |
| iret |