Even more refactor

kernel/idt.c

@@ -17,16 +17,16 @@ __attribute__((aligned(16)))
 static idt_entry IDT[IDT_MAX_DESCS];
 static idtr	IDTR;
 
-void exception_handler() {
+void interupt_handler(uint interupt) {
 	uint* exc_ptr = 0xe222;
 	uint8 exc = *exc_ptr;
 
-	pic_send_eoi(exc);
+	pic_send_eoi(interupt);
 
 	char* buf;
 	set_cursor_pos(0, 0);
 	print("[exc] ", EXC_COLOR);
-	buf = itoa(exc, buf, 10);
+	buf = itoa(interupt, buf, 10);
 	print(buf, 0x0c);
 }
 
@@ -52,9 +52,10 @@ void idt_init() {
 		idt_set_desc(idx, isr_stub_table[idx], 0x8e);
 
 
+	/*
 	outb_w(PIC1, 0xfd);
 	outb_w(PIC2, 0xfd);
+	*/
 	__asm__ __volatile__("lidt %0" : : "m"(IDTR));
-
-	//__asm__ __volatile__("sti"); 
+	__asm__ __volatile__("sti"); 
 }

kernel/idt.h

@@ -5,7 +5,7 @@
 #define EXC_COLOR	0x08
 
 __attribute__((noreturn))
-void exception_handler();
+void interupt_handler(uint);
 
 void idt_set_desc(uint8, void*, uint8);
 void idt_init();

kernel/isr.asm

@@ -2,23 +2,31 @@ isr_debug_ptr equ 0xe222
 
 %macro isr_err_stub 1
 isr_stub_%+%1:
-	mov [isr_debug_ptr], byte %1
-	call exception_handler
-	hlt
 	cli
+	pusha
+	push dword %1
+	call interupt_handler
+	pop eax
+	popa
+	;hlt
+	sti
 	iret
 %endmacro
 
 %macro isr_no_err_stub 1
 isr_stub_%+%1:
-	mov [isr_debug_ptr], byte %1
-	call exception_handler
-	hlt
 	cli
+	pusha
+	push dword %1
+	call interupt_handler
+	pop eax 
+	popa
+	;hlt
+	sti
 	iret
 %endmacro
 
-extern exception_handler
+extern interupt_handler
 isr_err_stub	0
 isr_err_stub	1 
 isr_no_err_stub	2

kernel/pic.c

@@ -8,10 +8,6 @@ void pic_send_eoi(uint8 irq) {
 }
 
 void pic_remap(uint offset_1, uint offset_2) {
-	uint8 a1, a2; 
-	a1 = inb(PIC1_DATA);
-	a2 = inb(PIC2_DATA);
-
 	// Start the init sequance
 	outb_w(PIC1_CMD, ICW_INIT_MASK);
 
@@ -26,9 +22,8 @@ void pic_remap(uint offset_1, uint offset_2) {
 	outb_w(PIC1_DATA, ICW4_8086);
 	outb_w(PIC2_DATA, ICW4_8086);
 
-	// restore old masks
-	outb(PIC1_DATA, a1);
-	outb(PIC2_DATA, a2);
+	outb(PIC1_DATA, 0xff);
+	outb(PIC2_DATA, 0xff);
 }
 
 // disable the PIC
@@ -44,7 +39,7 @@ void pic_init() {
 }
 
 // (un)set a specific irq
-void irq(uint8 idx, bool t) {
+void irq_mask(uint8 idx, bool t) {
 	uint16 port;
 	uint8 data;
 

kernel/pic.h

@@ -40,7 +40,7 @@ void pic_disable();
 void pic_init();
 
 // IRQs
-void irq(uint8, bool);
+void irq_mask(uint8, bool);
 
 static uint16 irq_reg(int ocw3);
 uint16 get_irr();