RossComputerGuy/stardustos

/**
 * NewLand Kernel - (C) 2019 Tristan Ross
 */
.macro ISR_NOERRCODE num
    .globl isr\num
    isr\num:
        cli
        push $0
        push $1
        jmp isr_common_stub
        ret
.endm

.macro ISR_ERRCODE num
    .globl isr\num
    isr\num:
        cli
        push $1
        jmp isr_common_stub
        ret
.endm

isr_common_stub:
    pusha
    mov %ds, %ax
    push %eax
    mov $0x10, %ax
    mov %ax, %dx
    mov %ax, %es
    mov %ax, %fs
    mov %ax, %gs
    push %esp
    call isr_handler
    pop %ebx
    pop %ebx
    mov %bx, %ds
    mov %bx, %es
    mov %bx, %fs
    mov %bx, %gs
    popa
    add $8, %esp
    sti
    iret

ISR_NOERRCODE 0
ISR_NOERRCODE 1
ISR_NOERRCODE 2
ISR_NOERRCODE 3
ISR_NOERRCODE 4
ISR_NOERRCODE 5
ISR_NOERRCODE 6
ISR_NOERRCODE 7
ISR_NOERRCODE 8
ISR_NOERRCODE 9
ISR_ERRCODE 10
ISR_ERRCODE 11
ISR_ERRCODE 12
ISR_ERRCODE 13
ISR_ERRCODE 14
ISR_NOERRCODE 15
ISR_NOERRCODE 16
ISR_ERRCODE 17
ISR_NOERRCODE 18
ISR_NOERRCODE 19
ISR_NOERRCODE 20
ISR_NOERRCODE 21
ISR_NOERRCODE 22
ISR_NOERRCODE 23
ISR_NOERRCODE 24
ISR_NOERRCODE 25
ISR_NOERRCODE 26
ISR_NOERRCODE 27
ISR_NOERRCODE 28
ISR_NOERRCODE 29
ISR_ERRCODE 30
ISR_NOERRCODE 31