not working

kernel/main.cc

@@ -4,6 +4,7 @@
 #include "./types.h"  // This is actually used
 #include "arch/core_interrupt.h"
 #include "memory/pageframealloc.h"
+#include "memory/pagetable.h"
 #include "object/outputstream.h"
 #include "syscall/handler.h"
 
@@ -34,6 +35,8 @@ OutputStream* copyout = &copystream;
 #include "./user/app1/appl.h"
 #include "./user/app2/kappl.h"
 
+alignas(4096) four_lvl_paging_t paging_tree;
+
 static const uint32_t NUM_APPS = 9;
 Application apps[NUM_APPS];
 
@@ -41,7 +44,11 @@ static KeyboardApplication kapp;
 
 // Main function
 extern "C" int main() {
-    PageFrameAllocator::init();
+
+    //PageFrameAllocator::init();
+    memset(&paging_tree, 0, sizeof(four_lvl_paging_t));
+    create_basic_page_table((uintptr_t)&paging_tree);
+    load_cr3((void*)&paging_tree.l4);
 
 	tout.reset();
 	tout.setPos(33, 0);