diff --git a/host/arch/mips/lib/crossystem_arch.c b/host/arch/mips/lib/crossystem_arch.c
new file mode 100644
index 0000000..28a6b80
--- /dev/null
+++ b/host/arch/mips/lib/crossystem_arch.c
@@ -0,0 +1,74 @@
+/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <string.h>
+
+#include "vboot_common.h"
+#include "vboot_nvstorage.h"
+#include "host_common.h"
+#include "crossystem.h"
+#include "crossystem_arch.h"
+
+// TODO: Currently these are stub implementations providing reasonable defaults
+// wherever possible. They will need real implementation as part of of MIPS
+// firmware bringup.
+
+int VbReadNvStorage(VbNvContext* vnc) {
+  return -1;
+}
+
+int VbWriteNvStorage(VbNvContext* vnc) {
+  return -1;
+}
+
+VbSharedDataHeader *VbSharedDataRead(void) {
+  return NULL;
+}
+
+int VbGetArchPropertyInt(const char* name) {
+  if (!strcasecmp(name,"devsw_cur")) {
+    return 1;
+  } else if (!strcasecmp(name,"recoverysw_cur")) {
+    return 0;
+  } else if (!strcasecmp(name,"wpsw_cur")) {
+    return 1;
+  } else if (!strcasecmp(name,"devsw_boot")) {
+    return 1;
+  } else if (!strcasecmp(name,"recoverysw_boot")) {
+    return 0;
+  } else if (!strcasecmp(name,"recoverysw_ec_boot")) {
+    return 0;
+  } else if (!strcasecmp(name,"wpsw_boot")) {
+    return 1;
+  }
+  return -1;
+}
+
+const char* VbGetArchPropertyString(const char* name, char* dest, size_t size) {
+  if (!strcasecmp(name,"hwid")) {
+    return StrCopy(dest, "UnknownMipsHwid", size);
+  } else if (!strcasecmp(name,"fwid")) {
+    return StrCopy(dest, "UnknownMipsFwid", size);
+  } else if (!strcasecmp(name,"ro_fwid")) {
+    return StrCopy(dest, "UnknownMipsRoFwid", size);
+  } else if (!strcasecmp(name,"mainfw_act")) {
+    return StrCopy(dest, "A", size);
+  } else if (!strcasecmp(name,"mainfw_type")) {
+    return StrCopy(dest, "developer", size);
+  } else if (!strcasecmp(name,"ecfw_act")) {
+    return StrCopy(dest, "RO", size);
+  }
+  return NULL;
+}
+
+int VbSetArchPropertyInt(const char* name, int value) {
+  /* All is handled in arch independent fashion */
+  return -1;
+}
+
+int VbSetArchPropertyString(const char* name, const char* value) {
+  /* All is handled in arch independent fashion */
+  return -1;
+}