diff options
Diffstat (limited to 'kernel.soso/interrupt.asm')
-rw-r--r-- | kernel.soso/interrupt.asm | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/kernel.soso/interrupt.asm b/kernel.soso/interrupt.asm deleted file mode 100644 index 5610ca55..00000000 --- a/kernel.soso/interrupt.asm +++ /dev/null @@ -1,133 +0,0 @@ -; NASM macro -%macro ISR_ERROR_CODE 1 - global isr%1 - isr%1: - push dword %1 ; push the interrupt number - jmp handleISRCommon -%endmacro - -; NASM macro -%macro ISR_NO_ERROR_CODE 1 - global isr%1 - isr%1: - push dword 0 ; push a dummy error code just because to keep struct Registers the same as the above macro - push dword %1 ; push the interrupt number - jmp handleISRCommon -%endmacro - - -; NASM macro -%macro IRQ 2 - global irq%1 - irq%1: - push dword 0 ; push a dummy error code just because to keep struct Registers the same again - push dword %2 - jmp handleIRQCommon -%endmacro - -ISR_NO_ERROR_CODE 0 -ISR_NO_ERROR_CODE 1 -ISR_NO_ERROR_CODE 2 -ISR_NO_ERROR_CODE 3 -ISR_NO_ERROR_CODE 4 -ISR_NO_ERROR_CODE 5 -ISR_NO_ERROR_CODE 6 -ISR_NO_ERROR_CODE 7 -ISR_ERROR_CODE 8 -ISR_NO_ERROR_CODE 9 -ISR_ERROR_CODE 10 -ISR_ERROR_CODE 11 -ISR_ERROR_CODE 12 -ISR_ERROR_CODE 13 -ISR_ERROR_CODE 14 -ISR_NO_ERROR_CODE 15 -ISR_NO_ERROR_CODE 16 -ISR_NO_ERROR_CODE 17 -ISR_NO_ERROR_CODE 18 -ISR_NO_ERROR_CODE 19 -ISR_NO_ERROR_CODE 20 -ISR_NO_ERROR_CODE 21 -ISR_NO_ERROR_CODE 22 -ISR_NO_ERROR_CODE 23 -ISR_NO_ERROR_CODE 24 -ISR_NO_ERROR_CODE 25 -ISR_NO_ERROR_CODE 26 -ISR_NO_ERROR_CODE 27 -ISR_NO_ERROR_CODE 28 -ISR_NO_ERROR_CODE 29 -ISR_NO_ERROR_CODE 30 -ISR_NO_ERROR_CODE 31 -ISR_NO_ERROR_CODE 128 - -; IRQ0 is handled by irqTimer below - -IRQ 1, 33 -IRQ 2, 34 -IRQ 3, 35 -IRQ 4, 36 -IRQ 5, 37 -IRQ 6, 38 -IRQ 7, 39 -IRQ 8, 40 -IRQ 9, 41 -IRQ 10, 42 -IRQ 11, 43 -IRQ 12, 44 -IRQ 13, 45 -IRQ 14, 46 -IRQ 15, 47 - -%macro SAVE_REGS 0 - pushad - push ds ;those registers are 16 bit but they are pushed as 32 bits here - push es - push fs - push gs - - push ebx - mov bx, 0x10 ; load the kernel data segment descriptor - mov ds, bx - mov es, bx - mov fs, bx - mov gs, bx - pop ebx -%endmacro - -%macro RESTORE_REGS 0 - pop gs - pop fs - pop es - pop ds - popad -%endmacro - - -extern handleISR - -handleISRCommon: - SAVE_REGS - call handleISR - RESTORE_REGS - add esp, 8 ; deallocate the error code and the interrupt number - iret ; pops CS, EIP, EFLAGS and also SS, and ESP if privilege change occurs - -extern handleIRQ - - -handleIRQCommon: - SAVE_REGS - call handleIRQ - RESTORE_REGS - add esp, 8 ; deallocate the error code and the interrupt number - iret ; pops CS, EIP, EFLAGS and also SS, and ESP if privilege change occurs - -extern handleTimerIRQ -global irqTimer -irqTimer: ; this does not have int no and error code in the stack, so there is no "add esp, 8" - SAVE_REGS - call handleTimerIRQ - mov al,0x20 - out 0x20,al - RESTORE_REGS - iret - |