kernel/Makefile

@@ -9,9 +9,7 @@ SRCS	= kernel.asm \
 			dev/vga_console.inc \
 			mm/mm.inc \
 			mm/pmm.inc \
-			lock.inc \
-			gdt.inc \
-			isr.inc
+			lock.inc 
 
 .PHONY: all
 all: $(KERNEL)

kernel/isr.inc

@@ -1,4 +1,5 @@
 macro ISR [name,error] {
+isr_table:
 forward
 	dd isr_#name
 forward
@@ -12,34 +13,6 @@ forward
 				 
 }
 
-idt_setup:
-	xor ecx, ecx
-@@:
-	mov eax, [aISRTable + (ecx * 4)]
-	mov [aInterruptGate + (ecx * 8)], ax
-	mov [aInterruptGate + (ecx * 8) + 2], word 0x08
-
-	mov [aInterruptGate + (ecx * 8) + 5], word 0x8E
-	shr eax, 16
-	mov [aInterruptGate + (ecx * 8) + 6], ax
-	inc ecx
-	cmp ecx, 32
-	jb @b
-
-	lidt [pIDT]
-	sti
-	ret
-
-pIDT:
-	dw aInterruptGate.end-aInterruptGate-1
-	dd aInterruptGate
-
-; variable: idt_entries
-aInterruptGate:
-	dd 256*2 dup(0)
-.end:
-
-
 isr_common:
 	pusha
 
@@ -52,9 +25,6 @@ isr_common:
 	mov fs, ax
 	mov gs, ax
 
-	mov esi, szMsgInterrupt
-	call klog 
-
 	pop eax
 	mov ds, ax
 	mov es, ax
@@ -66,7 +36,6 @@ isr_common:
 	sti
 	iret
 
-aISRTable:
 ISR \
 	division_by_zero, 0, \
 	debug, 0, \
@@ -100,5 +69,3 @@ ISR \
 	reserved29, 0, \
 	security_exception, 0, \
 	reserved31, 0
-
-szMsgInterrupt db "Interrupt", 0

kernel/kernel.asm

@@ -56,7 +56,6 @@ kmain:
 	lgdt [pGDT]
 	; I don't think i need to reload segment cuz their value are already correct
 
-	call idt_setup
 
 
 .halt:
@@ -74,7 +73,6 @@ kmain:
 	include 'mm/mm.inc'
 	include 'lock.inc'
 	include 'gdt.inc'
-	include 'isr.inc'
 
 szMsgKernelAlive db "Kernel is alive", 0
 szErrorBootProtocol db "Error: wrong magic number", 0

kernel/pic.inc

@@ -1,6 +1,3 @@
-	;; File: pic.inc
-	;;  <Datasheet at https://pdos.csail.mit.edu/6.828/2005/readings/hardware/8259A.pdf>
-
 PIC1_COMMAND = 0x20
 PIC1_DATA    = 0x21
 PIC2_COMMAND = 0xA0

kernel/sys/cpu.inc

@@ -102,7 +102,6 @@ struc idt_gate
 	.attributes:  resb 1
 	.offset_high: resw 1
 endstruc
-defn idt_gate
 
 	;; About: Gates
 	;; - Task Gate