diff options
Diffstat (limited to 'kernel/src/interrupt/isr.asm')
| -rw-r--r-- | kernel/src/interrupt/isr.asm | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/kernel/src/interrupt/isr.asm b/kernel/src/interrupt/isr.asm new file mode 100644 index 0000000..6cccdc6 --- /dev/null +++ b/kernel/src/interrupt/isr.asm @@ -0,0 +1,99 @@ +extern idt_exception_handler +extern idt_pic_timer +extern idt_pic_keyboard +extern idt_pic_mouse +extern idt_pic_eoi +global isr_stub_table + +%macro ISRErrorStub 1 +isr_stub_%+%1: + push dword %1 + call idt_exception_handler + pop eax + iret +%endmacro + +%macro PICGeneric 1 +isr_stub_%+%1: + push dword %1 + call idt_pic_eoi + pop eax + iret +%endmacro + +%macro PICTimer 1 +isr_stub_%+%1: + call idt_pic_timer + push dword %1 + call idt_pic_eoi + pop eax + iret +%endmacro + +%macro PICKeyboard 1 +isr_stub_%+%1: + call idt_pic_keyboard + push dword %1 + call idt_pic_eoi + pop eax + iret +%endmacro + +%macro PICMouse 1 +isr_stub_%+%1: + call idt_pic_mouse + push dword %1 + call idt_pic_eoi + pop eax + iret +%endmacro + +%macro ISRSyscall 1 +isr_stub_%+%1: + push eax + push ebx + push ecx + push edx + call idt_syscall + add esp, 16 + pop eax + iret +%endmacro + +section .text +align 8 +%assign i 0 +%rep 32 + ISRErrorStub i +%assign i i+1 +%endrep +PICTimer 32 ; 0 +PICKeyboard 33 ; 1 +PICGeneric 34 ; 2 +PICGeneric 35 ; 3 +PICGeneric 36 ; 4 +PICGeneric 37 ; 5 +PICGeneric 38 ; 6 +PICGeneric 39 ; 7 +PICGeneric 40 ; 8 +PICGeneric 41 ; 9 +PICGeneric 42 ; 10 +PICGeneric 43 ; 11 +PICMouse 44 ; 12 +PICGeneric 45 ; 13 +PICGeneric 46 ; 14 +PICGeneric 47 ; 15 +%assign i 48 +%rep 256 - 48 + ISRErrorStub i +%assign i i+1 +%endrep + +section .rodata +align 8 +isr_stub_table: +%assign i 0x00 +%rep 256 + dd isr_stub_%+i +%assign i i+0x01 +%endrep |