27 lines
572 B
Plaintext
27 lines
572 B
Plaintext
%macro IRQ 2
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global irq%1
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irq%1:
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cli
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push byte 0 ; push a dummy error code
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push byte %2 ; push the IRQ number
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jmp irq_common_stub
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%endmacro
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extern irq_handler
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irq_common_stub:
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pusha ; push all general-purpose registers
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mov ax, ds ; lower 16-bits of eax = ds
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push eax ; save the data segment descriptor
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mov ax, 0x10 ; load the kernel data segment descriptor
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mov edx, eax
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call irq_handler
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%assign i 0
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%rep 8
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ISR_NOERRCODE i
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%assign i i+1
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%endrep
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ISR_NOERRCODE 9
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