StupidOS/kernel/isr.s

125 lines
1.5 KiB
ArmAsm

[BITS 32]
%include "cpu.inc"
%include "base.inc"
%macro ISR_NO_ERR 1
isr%1:
push dword 0
push dword %1
jmp isr_common
%endmacro
%macro ISR_ERR 1
isr%1:
push dword %1
jmp isr_common
%endmacro
%macro ISR_ADDR 1
dd isr%1
%endmacro
section .text
ISR_NO_ERR 0
ISR_NO_ERR 1
ISR_NO_ERR 2
ISR_NO_ERR 3
ISR_NO_ERR 4
ISR_NO_ERR 5
ISR_NO_ERR 6
ISR_NO_ERR 7
ISR_ERR 8
ISR_NO_ERR 9
ISR_ERR 10
ISR_ERR 11
ISR_ERR 12
ISR_ERR 13
ISR_ERR 14
ISR_NO_ERR 15
ISR_NO_ERR 16
ISR_NO_ERR 17
ISR_NO_ERR 18
ISR_NO_ERR 19
ISR_NO_ERR 20
ISR_NO_ERR 21
ISR_NO_ERR 22
ISR_NO_ERR 23
ISR_NO_ERR 24
ISR_NO_ERR 25
ISR_NO_ERR 26
ISR_NO_ERR 27
ISR_NO_ERR 28
ISR_NO_ERR 29
ISR_NO_ERR 30
ISR_NO_ERR 31
%assign i 32
%rep 224
ISR_NO_ERR i
%assign i i+1
%endrep
panic:
LOG msg_interrupt
;htl
;jmp panic
ret
isr_handler:
push ebp
mov ebp, esp
.end:
leave
ret
isr_common:
xchg bx, bx
push ds
push es
push fs
push gs
pusha
mov ax, 0x10 ; data segment
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
LOG msg_interrupt
;call isr_handler
;extern pic_eoi
;call pic_eoi
popa
pop gs
pop fs
pop es
pop ds
add esp, 8 ; int no & error code
iret
section .data
global isr_list
isr_list:
%assign i 0
%rep 256
ISR_ADDR i
%assign i i+1
%endrep
section .rodata
msg_interrupt db "interrupt", 0xA
db "edi: %x esi: %x ebp: %x esp: %x", 0xA
db "ebx: %x edx: %x ecx: %x eax: %x", 0xA
db "gs: %x fs: %x es: %x ds: %x", 0xA
db "int: %x err: %x eip: %x cs: %x", 0xA
db "flg: %x usp: %x ss: %x", 0x0
file db __FILE__, 0