A update

isr_stub_table.asm

@@ -0,0 +1,87 @@
+[bits 32]
+global isr_stub_table
+global isr0, isr1, isr2, isr3, isr4, isr5, isr6, isr7
+global isr8, isr9, isr10, isr11, isr12, isr13, isr14, isr15
+global isr16, isr17, isr18, isr19, isr20, isr21, isr22, isr23
+global isr24, isr25, isr26, isr27, isr28, isr29, isr30, isr31
+global isr33
+
+extern isr_handler
+extern _push_regs
+extern _pop_regs
+
+%macro ISR_NOERR 1
+isr%1:
+    cli
+    push dword 0         ; Fake error code
+    push dword %1        ; Interrupt number
+    jmp isr_common_stub
+%endmacro
+
+%macro ISR_ERR 1
+isr%1:
+    cli
+    push dword %1        ; Interrupt number
+    jmp isr_common_stub
+%endmacro
+
+; ISRs 0-31 (exceptions)
+ISR_NOERR 0
+ISR_NOERR 1
+ISR_NOERR 2
+ISR_NOERR 3
+ISR_NOERR 4
+ISR_NOERR 5
+ISR_NOERR 6
+ISR_NOERR 7
+ISR_ERR   8     ; Double fault
+ISR_NOERR 9
+ISR_ERR  10     ; Invalid TSS
+ISR_ERR  11     ; Segment not present
+ISR_ERR  12     ; Stack segment fault
+ISR_ERR  13     ; General protection fault
+ISR_ERR  14     ; Page fault
+ISR_NOERR 15
+ISR_NOERR 16
+ISR_NOERR 17
+ISR_NOERR 18
+ISR_NOERR 19
+ISR_NOERR 20
+ISR_NOERR 21
+ISR_NOERR 22
+ISR_NOERR 23
+ISR_NOERR 24
+ISR_NOERR 25
+ISR_NOERR 26
+ISR_NOERR 27
+ISR_NOERR 28
+ISR_NOERR 29
+ISR_ERR  30     ; Security exception
+ISR_NOERR 31
+ISR_NOERR 33
+
+isr_common_stub:
+    pusha
+    push ds
+    push es
+    push fs
+    push gs
+
+    mov ax, 0x10
+    mov ds, ax
+    mov es, ax
+    mov fs, ax
+    mov gs, ax
+
+    push esp
+    call isr_handler
+    add esp, 4
+
+    pop gs
+    pop fs
+    pop es
+    pop ds
+    popa
+    add esp, 8
+    ;sti
+    iret