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extern idt_exception_handler
global isr_stub_table
; call the exception handler with the interrupt number
; args: interrupt number
%macro ISRException 1
align 8
isr_stub_%+%1:
cld
mov rdi, %1
mov rsi, 0
call idt_exception_handler
iretq
%endmacro
; call the exception handler with the interrupt number
; these exceptions also put an error code on the stack
; args: interrupt number
%macro ISRExceptionCode 1
align 8
isr_stub_%+%1:
cld
mov rdi, %1
pop rsi
call idt_exception_handler
iretq
%endmacro
; do nothing
; args: interrupt number
%macro ISRIgnore 1
align 8
isr_stub_%+%1:
iretq
%endmacro
; isr stubs
section .text
bits 64
ISRException 0
ISRException 1
ISRException 2
ISRException 3
ISRException 4
ISRException 5
ISRException 6
ISRException 7
ISRExceptionCode 8
ISRException 9
ISRExceptionCode 10
ISRExceptionCode 11
ISRExceptionCode 12
ISRExceptionCode 13
ISRExceptionCode 14
ISRException 15
ISRException 16
ISRExceptionCode 17
ISRException 18
ISRException 19
ISRException 20
ISRExceptionCode 21
ISRException 22
ISRException 23
ISRException 24
ISRException 25
ISRException 26
ISRException 27
ISRException 28
ISRExceptionCode 29
ISRExceptionCode 30
ISRException 31
%assign i 32
; ignore other interrupts
%rep 0x100 - i
ISRIgnore i
%assign i i+1
%endrep
; isr stub table
section .rodata
bits 64
align 16
isr_stub_table:
%assign i 0
%rep 256
dq isr_stub_%+i
%assign i i+1
%endrep
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