diff --git a/sys/include/memory.h b/sys/include/memory.h
index 6bbfa35..8bb51b2 100644
--- a/sys/include/memory.h
+++ b/sys/include/memory.h
@@ -22,6 +22,14 @@
 #define START		0xb80f0
 #define SIZE		16384
 
+/* 
+ * How memory is mapped
+ */
+#define STACK_START 0x000b8fa0
+#define STACK_END	0x000fffff
+#define PR_START	0x00100000
+#define PHYSMEMTOP	0x0e000000
+
 struct allocated {
 	void *ref;
 	s32 size;
diff --git a/sys/memory.c b/sys/memory.c
index 0653927..3ad485e 100644
--- a/sys/memory.c
+++ b/sys/memory.c
@@ -3,6 +3,13 @@
 
 u32 curr = START;
 
+void 
+memory_init(void)
+{ 
+	u32 esp, ebp;
+	ebp = 0x8B7F0;
+} 
+
 void *malloc(s32 size) {
     u32 addr = curr;
     curr += size;
diff --git a/sys/sysinit.c b/sys/sysinit.c
index c6891d6..a07753f 100644
--- a/sys/sysinit.c
+++ b/sys/sysinit.c
@@ -53,6 +53,8 @@ sysinit(void)
 	printf("%s%x", "Omh", 0x2a);
 	vga_write("Starting omOS...", 16, 0x0F);
 
+	memory_init();
+
 	s8 *start = (s8 *) 0xb8fa0;
 	start[0] = 'h';
 }