160 lines
2.5 KiB
NASM
160 lines
2.5 KiB
NASM
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bits 32
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; !!! IRQ !!!
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global _i86_irq0
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global _i86_irq1
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global _i86_irq2
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global _i86_irq3
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global _i86_irq4
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global _i86_irq5
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global _i86_irq6
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global _i86_irq7
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global _i86_irq8
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global _i86_irq9
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global _i86_irq10
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global _i86_irq11
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global _i86_irq12
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global _i86_irq13
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global _i86_irq14
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global _i86_irq15
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; 32: IRQ0
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_i86_irq0:
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cli
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push byte 0
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push byte 32; Note that these don't push an error code on the stack:
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; We need to push a dummy error code
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jmp irq_common_stub
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; 33: IRQ1
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_i86_irq1:
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cli
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push byte 0
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push byte 33
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jmp irq_common_stub
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; 34: IRQ2
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_i86_irq2:
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cli
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push byte 0
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push byte 34
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jmp irq_common_stub
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; 35: IRQ3
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_i86_irq3:
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cli
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push byte 0
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push byte 35
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jmp irq_common_stub
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; 36: IRQ4
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_i86_irq4:
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cli
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push byte 0
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push byte 36
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jmp irq_common_stub
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; 37: IRQ5
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_i86_irq5:
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cli
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push byte 0
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push byte 37
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jmp irq_common_stub
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; 38: IRQ6
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_i86_irq6:
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cli
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push byte 0
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push byte 38
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jmp irq_common_stub
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; 39: IRQ7
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_i86_irq7:
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cli
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push byte 0
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push byte 39
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jmp irq_common_stub
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; 40: IRQ8
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_i86_irq8:
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cli
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push byte 0
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push byte 40
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jmp irq_common_stub
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; 41: IRQ9
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_i86_irq9:
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cli
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push byte 0
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push byte 41
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jmp irq_common_stub
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; 42: IRQ10
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_i86_irq10:
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cli
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push byte 0
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push byte 42
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jmp irq_common_stub
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; 43: IRQ11
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_i86_irq11:
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cli
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push byte 0
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push byte 43
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jmp irq_common_stub
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; 44: IRQ12
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_i86_irq12:
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cli
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push byte 0
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push byte 44
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jmp irq_common_stub
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; 45: IRQ13
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_i86_irq13:
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cli
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push byte 0
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push byte 45
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jmp irq_common_stub
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; 46: IRQ14
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_i86_irq14:
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cli
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push byte 0
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push byte 46
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jmp irq_common_stub
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; 47: IRQ15
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_i86_irq15:
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cli
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push byte 0
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push byte 47
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jmp irq_common_stub
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extern _i86_irq_handler
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; This is a stub that we have created for IRQ based ISRs. This calls
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; '_i86_irq_handler' in our C code. We need to create this in an 'irq.c'
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irq_common_stub:
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pusha
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push ds
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push es
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push fs
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push gs
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mov ax, 0x10
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov eax, esp
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push eax
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mov eax, _i86_irq_handler
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call eax
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pop eax
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pop gs
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pop fs
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pop es
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pop ds
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popa
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add esp, 8
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iret
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