per cpu timer queue

src/arch/x86_64/cputimer.c

@@ -0,0 +1,22 @@
+#include <arch/cputimer.h>
+#include <arch/apic.h>
+#include <arch/idt.h>
+
+size_t arch_cputimer_init(){
+	// XXX invariant TSC?
+	
+	size_t ticks = apic_timercalibrate(1);
+
+	apic_timerinterruptset(VECTOR_TIMER);
+
+	return ticks;
+
+}
+
+size_t arch_cputimer_stop(){
+	return apic_timerstop();
+}
+
+void arch_cputimer_fire(size_t ticks){
+	apic_timerstart(ticks);
+}