APIC, HPET, virtual memory

kernel/amd64/mm.h

@@ -1,6 +1,14 @@
 #ifndef _KERNEL_AMD64_MM_H
 #define _KERNEL_AMD64_MM_H
 
+#include <libk/std.h>
+#include <sync/spin_lock.h>
+
 #define PAGE_SIZE 4096
 
+struct pd {
+  spin_lock_t lock;
+  uintptr_t cr3_paddr;
+};
+
 #endif // _KERNEL_AMD64_MM_H