diff --git a/src/arch/amd64/shim.c b/src/arch/amd64/shim.c
index 3e9cfd7..8a9d146 100644
--- a/src/arch/amd64/shim.c
+++ b/src/arch/amd64/shim.c
@@ -22,49 +22,44 @@
 // PAGE MAP LEVEL 4 ENTRY
 struct pml4e {
 	uint64_t flags              : 6;
-	uint64_t _reserved          : 6;
+	uint64_t                    : 6;
 	uint64_t address            : 40;
-	uint64_t _reserved_2        : 11;
+	uint64_t                    : 11;
 	uint64_t execute_disable    : 1;
 };
 
 // PAGE DIRECTORY POINTER TABLE ENTRY 
 struct pdpte {
 	uint64_t flags              : 6;
-	uint64_t _reserved          : 1;
+	uint64_t                    : 1;
 	uint64_t page_size          : 1;
-	uint64_t _reserved_2        : 2;
+	uint64_t                    : 4;
 	uint64_t address            : 40;
-	uint64_t _reserved_3        : 11;
+	uint64_t                    : 11;
 	uint64_t execute_disable    : 1;
 };
 
 // PAGE DIRECTORY ENTRY
 struct pde {
 	uint64_t flags              : 6;
-	uint64_t _reserved          : 1;
+	uint64_t                    : 1;
 	uint64_t page_size          : 1;
-	uint64_t _reserved_2        : 2;
+	uint64_t                    : 4;
 	uint64_t address            : 40;
-	uint64_t _reserved_3        : 11;
+	uint64_t                    : 11;
 	uint64_t execute_disable    : 1;
 };
 
 // PAGE TABLE ENTRY
 struct pte {
 	uint64_t flags              : 9;
-	uint64_t _reserved          : 3;
+	uint64_t                    : 3;
 	uint64_t address            : 40;
-	uint64_t _reserved_2        : 7;
+	uint64_t                    : 7;
 	uint64_t protection_key     : 4;
 	uint64_t execute_disable    : 1;
 };
 
-struct pml4e pml4[512];
-struct pdpte pdpt[512];
-struct pde   pd[512];
-struct pte   pt[512];
-
 static int get_maxphysaddr() {
 	uint32_t eax, ebx, ecx, edx;
 	__cpuid(0x80000008, eax, ebx, ecx, edx);
@@ -73,23 +68,11 @@ static int get_maxphysaddr() {
 
 // entry point for amd64
 void* amd64_shim(void *boot_info) {
-	for (int i = 0; i < 512; i++) {
-		pml4[i].flags = 0;
-	}
-	for (int i = 0; i < 512; i++) {
-		pdpt[i].flags = 0;
-	}
-	for (int i = 0; i < 512; i++) {
-		pd[i].flags = 0;
-	}
-	pml4[0].flags = F_PRESENT | F_WRITEABLE;
-	pml4[0].address = (uint64_t)&pdpt;
-	pdpt[0].flags = F_PRESENT | F_WRITEABLE;
-	pdpt[0].address = (uint64_t)&pd;
-	pd[0].flags = F_PRESENT | F_WRITEABLE;
-	pd[0].address = (uint64_t)&pt;
-	for (int i = 0; i < 512; i++) {
-		pt[i].flags = F_PRESENT | F_WRITEABLE;
-		pt[i].address = i * 4096;
-	}
+	struct pml4e *pml4 = (struct pml4e *)0x1000;
+	struct pdpte *pdpt = (struct pdpte *)0x2000;
+	struct pde   *pd   = (struct pd    *)0x3000;
+	struct pte   *pt   = (struct pt    *)0x4000;
+	pd[1].flags = F_PRESENT | F_WRITEABLE;
+	pd[1].address = ((uint64_t)pt) >> 12;
+	__asm("invlpg 0x200000");
 }
diff --git a/src/kmain.c b/src/kmain.c
index 048cec0..b9ceb77 100644
--- a/src/kmain.c
+++ b/src/kmain.c
@@ -1,5 +1,6 @@
 void kmain() {
 	*(char*)0xB8000 = 'c';
+	*(char*)(0xB8002 + 0x20'0000) = 'd';
 	while(1) {
 		__asm("cli; hlt");
 	}