{ Rouge }

An elegant, extendable code highlighter written in pure Ruby.

Available on Github

%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           ; Pushes edi,esi,ebp,esp,ebx,edx,ecx,eax
    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