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|
; The assembly part of the interrupt service routines
global isr0
global isr1
global isr2
global isr3
global isr4
global isr5
global isr6
global isr7
global isr8
global isr9
global isr10
global isr11
global isr12
global isr13
global isr14
global isr15
global isr16
global isr17
global isr18
global isr19
global isr20
global isr21
global isr22
global isr23
global isr24
global isr25
global isr26
global isr27
global isr28
global isr29
global isr30
global isr31
global isr32
; macros to make up for the lack of pusha/popa
%macro pushregs 0
push rax
push rdi
push rsi
push rdx
push rcx
push r8
push r9
push r10
push r11
%endmacro
%macro popregs 0
pop r11
pop r10
pop r9
pop r8
pop rcx
pop rdx
pop rsi
pop rdi
pop rax
%endmacro
%macro halt 0
.loop
hlt
jmp .loop
%endmacro
section .text
align 4
extern exception_handler
isr0:
xchg bx, bx
pushregs
mov rdi, 0
call exception_handler
halta
popregs
iretq
isr1:
pushregs
mov rdi, 1
call exception_handler
xchg bx, bx
popregs
iretq
isr2:
pushregs
mov rdi, 2
call exception_handler
popregs
iretq
isr3:
pushregs
mov rdi, 3
call exception_handler
popregs
iretq
isr4:
pushregs
mov rdi, 4
call exception_handler
popregs
iretq
isr5:
pushregs
mov rdi, 5
call exception_handler
popregs
iretq
isr6:
pushregs
mov rdi, 6
call exception_handler
halt
popregs
iretq
isr7:
pushregs
mov rdi, 7
call exception_handler
popregs
iretq
isr8:
pushregs
mov rdi, 8
call exception_handler
halt
popregs
iretq
isr9:
pushregs
mov rdi, 9
call exception_handler
popregs
iretq
isr10:
pushregs
mov rdi, 10
call exception_handler
popregs
; will deal with error codes later. need to be removed from the stack first
; not sure if this works right yet
sub esp, 8
iretq
isr11:
pushregs
mov rdi, 11
call exception_handler
popregs
sub esp, 8
iretq
isr12:
pushregs
mov rdi, 12
call exception_handler
popregs
sub esp, 8
iretq
isr13:
pushregs
mov rdi, 13
call exception_handler
popregs
sub esp, 8
iretq
isr14:
pushregs
mov rdi, 14
call exception_handler
popregs
sub esp, 8
iretq
isr15:
pushregs
mov rdi, 15
call exception_handler
popregs
iretq
isr16:
pushregs
mov rdi, 16
call exception_handler
popregs
iretq
isr17:
pushregs
mov rdi, 17
call exception_handler
popregs
sub esp, 8
iretq
isr18:
pushregs
mov rdi, 18
call exception_handler
halt
popregs
iretq
isr19:
pushregs
mov rdi, 19
call exception_handler
popregs
iretq
isr20:
pushregs
mov rdi, 20
call exception_handler
popregs
iretq
isr21:
pushregs
mov rdi, 21
call exception_handler
popregs
sub esp, 8
iretq
isr22:
pushregs
mov rdi, 22
call exception_handler
popregs
iretq
isr23:
pushregs
mov rdi, 23
call exception_handler
popregs
iretq
isr24:
pushregs
mov rdi, 24
call exception_handler
popregs
iretq
isr25:
pushregs
mov rdi, 25
call exception_handler
popregs
iretq
isr26:
pushregs
mov rdi, 26
call exception_handler
popregs
iretq
isr27:
pushregs
mov rdi, 27
call exception_handler
popregs
iretq
isr28:
pushregs
mov rdi, 28
call exception_handler
popregs
iretq
isr29:
pushregs
mov rdi, 29
call exception_handler
popregs
sub esp, 8
iretq
isr30:
pushregs
mov rdi, 30
call exception_handler
popregs
sub esp, 8
iretq
isr31:
pushregs
mov rdi, 31
call exception_handler
popregs
iretq
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