i think it works

code/hal/hal_apic.h

@@ -0,0 +1,9 @@
+// hal_apic.h
+#pragma once
+#include <stdint.h>
+
+void HalApicRouteIrq(uint8_t irq);
+void HalApicMaskIrq(uint8_t irq);
+void HalApicUnmaskIrq(uint8_t irq);
+void HalApicSendEoi(void);
+void HalApicInitialize(uintptr_t lapicPhys, uintptr_t ioapicPhys);