Moving components modules to a more proper directory

components/pit/pit.c

@@ -0,0 +1,19 @@
+#include "pit.h"
+#include "types.h"
+#include "interrupts.h"
+#include "serial.h"
+#include "stlio.h"
+
+void pit_inc_ticks(__attribute__((unused)) struct cpu_reg_state* cpu) {
+    pit_timer_ticks++;
+}
+
+void pit_timer_wait(u32 time) {
+	u32 ticks = time + pit_timer_ticks;
+	while(pit_timer_ticks < ticks);
+}
+
+void pit_install_timer(void) {
+    init_irq_handler(0, pit_inc_ticks); // timer interrupt request falls into irq 0
+	pit_timer_ticks = 0;
+}

components/pit/pit.h

@@ -0,0 +1,19 @@
+#ifndef PIT_H
+#define PIT_H
+#include "interrupts.h"
+#include "types.h"
+
+// 60hz timer for now
+#define PIT_TIMER_INTERVAL 100
+#define PIT_TIME_DATA0 0x40
+#define PIT_TIME_DATA1 0x41
+#define PIT_TIME_DATA2 0x42
+
+volatile u32 pit_timer_ticks;
+
+void pit_inc_ticks(struct cpu_reg_state*);
+
+void pit_timer_wait(u32);
+
+void pit_install_timer(void);
+#endif