2023-01-17 10:35:11 +00:00
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[BITS 32]
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%include "base.inc"
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%macro ISR_NO_ERR 1
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global isr%1
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isr%1:
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2023-05-17 07:51:10 +00:00
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xchg bx, bx
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push dword 0
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push dword %1
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2023-01-17 10:35:11 +00:00
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jmp isr_handler
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%endmacro
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%macro ISR_ERR 1
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global isr%1
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isr%1:
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2023-05-17 07:51:10 +00:00
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xchg bx, bx
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push dword %1
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2023-01-17 10:35:11 +00:00
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jmp isr_handler
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%endmacro
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2023-05-17 07:51:10 +00:00
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struc intframe
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;; registers
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.edi: resd 1
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.esi: resd 1
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.ebp: resd 1
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.esp: resd 1
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.ebx: resd 1
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.edx: resd 1
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.ecx: resd 1
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.eax: resd 1
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;;
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.gs: resd 1
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.fs: resd 1
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.es: resd 1
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.ds: resd 1
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.intno: resd 1
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;; by x86 hardware
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.err: resd 1
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.eip: resd 1
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.cs: resd 1
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.eflags: resd 1
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;; crossring
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.useresp: resd 1
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.ss: resd 1
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endstruc
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2023-01-17 10:35:11 +00:00
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section .text
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ISR_NO_ERR 0
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ISR_NO_ERR 1
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ISR_NO_ERR 2
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ISR_NO_ERR 3
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ISR_NO_ERR 4
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ISR_NO_ERR 5
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ISR_NO_ERR 6
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ISR_NO_ERR 7
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ISR_ERR 8
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ISR_NO_ERR 9
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ISR_ERR 10
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ISR_ERR 11
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ISR_ERR 12
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ISR_ERR 13
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ISR_ERR 14
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ISR_NO_ERR 15
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ISR_NO_ERR 16
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ISR_NO_ERR 17
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ISR_NO_ERR 18
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ISR_NO_ERR 19
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ISR_NO_ERR 20
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ISR_NO_ERR 21
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ISR_NO_ERR 22
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ISR_NO_ERR 23
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ISR_NO_ERR 24
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ISR_NO_ERR 25
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ISR_NO_ERR 26
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ISR_NO_ERR 27
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ISR_NO_ERR 28
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ISR_NO_ERR 29
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ISR_NO_ERR 30
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ISR_NO_ERR 31
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2023-05-17 07:51:10 +00:00
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panic:
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LOG msg_interrupt
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2023-05-22 12:01:20 +00:00
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;htl
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;jmp panic
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ret
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2023-05-17 07:51:10 +00:00
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2023-05-22 12:01:20 +00:00
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;global isr_handler
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2023-01-17 10:35:11 +00:00
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isr_handler:
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2023-05-17 07:51:10 +00:00
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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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2023-01-17 10:35:11 +00:00
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pusha
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2023-05-17 07:51:10 +00:00
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mov ax, 0x10 ; data segment
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2023-01-17 10:35:11 +00:00
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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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2023-05-22 12:01:20 +00:00
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LOG msg_interrupt
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2023-01-17 10:35:11 +00:00
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2023-05-17 07:51:10 +00:00
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;extern pic_eoi
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;call pic_eoi
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2023-01-17 10:35:11 +00:00
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popa
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2023-05-17 07:51:10 +00:00
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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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add esp, 8 ; int no & error code
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2023-01-17 10:35:11 +00:00
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iret
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section .rodata
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2023-05-17 07:51:10 +00:00
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msg_interrupt db "interrupt", 0xA
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db "edi: %x esi: %x ebp: %x esp: %x", 0xA
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db "ebx: %x edx: %x ecx: %x eax: %x", 0xA
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db "gs: %x fs: %x es: %x ds: %x", 0xA
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db "int: %x err: %x eip: %x cs: %x", 0xA
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db "flg: %x usp: %x ss: %x", 0x0
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2023-01-17 10:35:11 +00:00
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file db __FILE__, 0
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