Refactor

kernel/kernel.h

@@ -1,4 +1,5 @@
 #include "interupt.h"
+#include "pic.h"
 #include "memory.h"
 #include "paging.h"
 #include "../drivers/vga.h"

kernel/pic.c

@@ -1,25 +1,38 @@
 #include "pic.h"
 #include "io.h"
 
-void PIC_sendEOI(uint8 irq) {
+void pic_send_eoi(uint8 irq) {
 	if( irq >= 8 ) 
 		outb(PIC2_CMD, PIC_EOI);
 	outb(PIC1_CMD, PIC_EOI);
 }
 
-void PIC_remap(uint offset_1, uint offset_2) {
+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 );
+	outb_w(PIC1_CMD, ICW_INIT_MASK);
 
-	outb_w(PIC2_CMD, ICW_INIT_MASK );
+	outb_w(PIC2_CMD, ICW_INIT_MASK);
 
 	outb_w(PIC1_DATA, offset_1); // ICW2 master offset
 	outb_w(PIC2_DATA, offset_2); // ICW2 slave offset
 
 	outb_w(PIC1_DATA, 0x4); 
 	outb_w(PIC2_DATA, 0x2);
+
+	outb_w(PIC1_DATA, ICW4_8086);
+	outb_w(PIC2_DATA, ICW4_8086);
+
+	// restore old masks
+	outb(PIC1_DATA, a1);
+	outb(PIC2_DATA, a2);
+}
+
+// disable the PIC
+void pic_disable() {
+	outb(PIC1_DATA, 0xff);
+	outb(PIC2_DATA, 0xff);
 }

kernel/pic.h

@@ -28,5 +28,10 @@
 // Ints
 #define PIC_EOI	0x20 // End-of-interupt
 
-void PIC_sendEOI(uint8);
-void PIC_remap(uint, uint);
+// PIC
+void pic_send_eoi(uint8);
+void pic_remap(uint, uint);
+void pic_disable();
+
+// IRQs
+void irq_set(uint8);