diff --git a/src/kernel/boot/platform/openfirmware/mmu.cpp b/src/kernel/boot/platform/openfirmware/mmu.cpp
new file mode 100644
index 0000000000..0c76d4def1
--- /dev/null
+++ b/src/kernel/boot/platform/openfirmware/mmu.cpp
@@ -0,0 +1,32 @@
+/*
+** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <platform_arch.h>
+#include <boot/platform.h>
+#include <boot/stdio.h>
+#include <stdarg.h>
+
+#include "openfirmware.h"
+
+
+status_t
+platform_allocate_region(void **_address, size_t size, uint8 protection)
+{
+	void *address = arch_mmu_allocate(*_address, size, protection);
+	if (address == NULL)
+		return B_NO_MEMORY;
+
+	*_address = address;
+	return B_OK;
+}
+
+
+status_t
+platform_free_region(void *address, size_t size)
+{
+	return arch_mmu_free(address, size);
+}
+