1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
%macro IRQ 2
global irq%1
irq%1:
cli
push byte 0 ; push a dummy error code
push byte %2 ; push the IRQ number
jmp irq_common_stub
%endmacro
extern irq_handler
irq_common_stub:
pusha ; push all general-purpose registers
mov ax, ds ; lower 16-bits of eax = ds
push eax ; save the data segment descriptor
mov ax, 0x10 ; load the kernel data segment descriptor
mov edx, eax
call irq_handler
%assign i 0
%rep 8
ISR_NOERRCODE i
%assign i i+1
%endrep
ISR_NOERRCODE 9
|
