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global int_syscall_handler
[extern example_syscall]
[extern example_syscall_2]
[extern syscall_outbyte]
[bits 32]
int_syscall_handler:
cli
push ebx
push ecx
push edx
cmp eax, 10
je call_example_syscall
cmp eax, 20
je call_example_syscall_2
cmp eax, 61
je call_outbyte
done:
pop ebx
pop ecx
pop edx
mov ebx,eax
mov al, 0x20 ;Port number AND command number to Acknowledge IRQ
out 0x20, al ;Acknowledge IRQ, so we keep getting interrupts
sti
iret ;Interrupt-Return
call_example_syscall:
call example_syscall
jmp done
call_example_syscall_2
call example_syscall_2
jmp done
call_outbyte
call syscall_outbyte
jmp done
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