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replaced by irqhand.c

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svn path=/trunk/; revision=293
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jean 1999-03-12 16:03:09 +00:00
parent a0945c2aa2
commit 75a9d9fc5f
1 changed files with 0 additions and 124 deletions
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124
reactos/ntoskrnl/hal/x86/irqhand.asm
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@ -1,124 +0,0 @@
;
; This module has code to handle IRQs
;
%include "internal/i386/segment.inc"
bits 32
section .text
extern _KiInterruptDispatch
%macro IRQ_HANDLER_FIRST 1
global _irq_handler_%1
_irq_handler_%1:
;
; Save registers
;
pusha
push ds
push es
mov eax,0xceafbeef
push eax
;
; Load DS
;
mov ax,KERNEL_DS
mov ds,ax
mov es,ax
;
; Mask the corresponding vector at the PIC
; NOTE: Since lower priority interrupts are masked until an EOI
; is sent to the PIC this preserves the IRQL semantics.
;
in al,0x21
or al,1<<%1
out 0x21,al
;
; Call the irq dispatcher (passing the IRQ number as an argument)
;
push dword %1
call _KiInterruptDispatch
;
; Restore stack, registers and return to interrupted routine
;
pop eax
pop eax
pop es
pop ds
popa
iret
%endmacro
%macro IRQ_HANDLER_SECOND 1
global _irq_handler_%1
_irq_handler_%1:
;
; Save registers
;
pusha
push ds
push es
mov eax,0xceafbeef
push eax
;
; Load DS
;
mov ax,KERNEL_DS
mov ds,ax
mov es,ax
;
; Mask the related vector at the PIC
;
in al,0xa1
or al,1<<(%1-8)
out 0xa1,al
;
; Call the irq dispatcher
;
push dword %1
call _KiInterruptDispatch
;
; Restore stack, registers and return to the interrupted routine
;
pop eax
pop eax
pop es
pop ds
popa
iret
%endmacro
IRQ_HANDLER_FIRST 0
IRQ_HANDLER_FIRST 1
IRQ_HANDLER_FIRST 2
IRQ_HANDLER_FIRST 3
IRQ_HANDLER_FIRST 4
IRQ_HANDLER_FIRST 5
IRQ_HANDLER_FIRST 6
IRQ_HANDLER_FIRST 7
IRQ_HANDLER_SECOND 8
IRQ_HANDLER_SECOND 9
IRQ_HANDLER_SECOND 10
IRQ_HANDLER_SECOND 11
IRQ_HANDLER_SECOND 12
IRQ_HANDLER_SECOND 13
IRQ_HANDLER_SECOND 14
IRQ_HANDLER_SECOND 15