basic heap scafolding

kernel/include/kmalloc.h

@@ -0,0 +1,17 @@
+#ifndef _KMALLOC_H
+#define _KMALLOC_H
+
+#include "types.h"
+
+// This function allocates size bytes of contiguous memory.
+// Returns a pointer to allocated memory or NULL.
+void* kmalloc(size_t size);
+
+// This function allocates size bytes of contiguous, zeroed-out memory.
+// Returns a pointer to allocated memory or NULL.
+void* kzalloc(size_t size);
+
+// This function allocates memory for count elements each of size bytes, zeroed-out memory.
+// Returns a pointer to allocated memory or NULL.
+void* kcalloc(size_t count, size_t size);
+#endif