mirror of
https://github.com/tailix/kernel.git
synced 2024-11-20 11:16:10 -05:00
78 lines
2.4 KiB
NASM
78 lines
2.4 KiB
NASM
#include "config.h"
|
|
|
|
[EXTERN exception_handler]
|
|
|
|
%macro EXCEPTION_NOERRCODE 1
|
|
[GLOBAL exception_%1]
|
|
exception_%1:
|
|
cli
|
|
push byte 0
|
|
push byte %1
|
|
jmp exception_common_stub
|
|
%endmacro
|
|
|
|
%macro EXCEPTION_ERRCODE 1
|
|
[GLOBAL exception_%1]
|
|
exception_%1:
|
|
cli
|
|
push byte %1
|
|
jmp exception_common_stub
|
|
%endmacro
|
|
|
|
EXCEPTION_NOERRCODE 0 ; #DE - Divide Error Exception
|
|
EXCEPTION_NOERRCODE 1 ; #DB - Debug Exception
|
|
EXCEPTION_NOERRCODE 2 ; NMI - Non-maskable interrupt
|
|
EXCEPTION_NOERRCODE 3 ; #BP - Breakpoint Exception
|
|
EXCEPTION_NOERRCODE 4 ; #OF - Overflow Exception
|
|
EXCEPTION_NOERRCODE 5 ; #BR - BOUND Range Exceeded Exception
|
|
EXCEPTION_NOERRCODE 6 ; #UD - Invalid Opcode Exception
|
|
EXCEPTION_NOERRCODE 7 ; #NM - Device Not Available Exception
|
|
EXCEPTION_ERRCODE 8 ; #DF - Double Fault Exception
|
|
EXCEPTION_NOERRCODE 9 ; Reserved - Coprocessor Segment Overrun
|
|
EXCEPTION_ERRCODE 10 ; #TS - Invalid TSS Exception
|
|
EXCEPTION_ERRCODE 11 ; #NP - Segment Not Present
|
|
EXCEPTION_ERRCODE 12 ; #SS - Stack Fault Exception
|
|
EXCEPTION_ERRCODE 13 ; #GP - General Protection Exception
|
|
EXCEPTION_ERRCODE 14 ; #PF - Page-Fault Exception
|
|
EXCEPTION_NOERRCODE 15 ; Reserved
|
|
EXCEPTION_NOERRCODE 16 ; #MF - x87 FPU Floating-Point Error
|
|
EXCEPTION_ERRCODE 17 ; #AC - Alignment Check Exception
|
|
EXCEPTION_NOERRCODE 18 ; #MC - Machine-Check Exception
|
|
EXCEPTION_NOERRCODE 19 ; #XF - SIMD Floating-Point Exception
|
|
EXCEPTION_NOERRCODE 20 ; Reserved
|
|
EXCEPTION_NOERRCODE 21 ; Reserved
|
|
EXCEPTION_NOERRCODE 22 ; Reserved
|
|
EXCEPTION_NOERRCODE 23 ; Reserved
|
|
EXCEPTION_NOERRCODE 24 ; Reserved
|
|
EXCEPTION_NOERRCODE 25 ; Reserved
|
|
EXCEPTION_NOERRCODE 26 ; Reserved
|
|
EXCEPTION_NOERRCODE 27 ; Reserved
|
|
EXCEPTION_NOERRCODE 28 ; Reserved
|
|
EXCEPTION_NOERRCODE 29 ; Reserved
|
|
EXCEPTION_NOERRCODE 30 ; Reserved
|
|
EXCEPTION_NOERRCODE 31 ; Reserved
|
|
|
|
exception_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, GDT_KERNEL_DS_SELECTOR
|
|
mov ds, ax
|
|
mov es, ax
|
|
mov fs, ax
|
|
mov gs, ax
|
|
|
|
call exception_handler
|
|
|
|
pop eax ; reload the original data segment descriptor
|
|
mov ds, ax
|
|
mov es, ax
|
|
mov fs, ax
|
|
mov gs, ax
|
|
|
|
popa ; Pops edi,esi,ebp...
|
|
add esp, 8 ; Cleans up the pushed error code and pushed ISR number
|
|
sti
|
|
iret ; pops 5 things at once: CS, EIP, EFLAGS, SS, and ESP
|