Add tpm lite to vboot reference

tests/tpm_lite/globallock.c

Index: tests/tpm_lite/globallock.c
diff --git a/tests/tpm_lite/globallock.c b/tests/tpm_lite/globallock.c
new file mode 100644
index 0000000000000000000000000000000000000000..ab287a44672f3fbc6577f344d99f95b5746b21f7
--- /dev/null
+++ b/tests/tpm_lite/globallock.c
@@ -0,0 +1,81 @@
+/* Copyright (c) 2010 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.
+ */
+
+/* Test of two-stage locking using bGlobalLock and PP.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <tss/tcs.h>
+
+#include "tlcl.h"
+#include "utility.h"
+
+#define INDEX0 0xcafe
+#define INDEX1 0xcaff
+
+int main(int argc, char** argv) {
+  uint32_t zero = 0;
+  uint32_t perm;
+  uint32_t result;
+  uint32_t x;
+
+  TlclLibInit();
+
+  TlclStartup();
+  TlclSelftestfull();
+
+  TlclAssertPhysicalPresence();
+
+  result = TlclRead(INDEX0, (uint8_t*) &x, sizeof(x));
+  if (result == TPM_E_BADINDEX) {
+    perm = TPM_NV_PER_PPWRITE | TPM_NV_PER_GLOBALLOCK;
+    TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
+  }
+  result = TlclWrite(INDEX0, (uint8_t*) &zero, sizeof(uint32_t));
+  assert(result == TPM_SUCCESS);
+
+  result = TlclRead(INDEX1, (uint8_t*) &x, sizeof(x));
+  if (result == TPM_E_BADINDEX) {
+    perm = TPM_NV_PER_PPWRITE;
+    TlclDefineSpace(INDEX1, perm, sizeof(uint32_t));
+  }
+  result = TlclWrite(INDEX1, (uint8_t*) &zero, sizeof(uint32_t));
+  assert(result == TPM_SUCCESS);
+
+  // Sets the global lock.
+  TlclSetGlobalLock();
+
+  // Verifies that write to index0 fails.
+  x = 1;
+  result = TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x));
+  if (result != TPM_E_AREA_LOCKED) {
+    error("INDEX0 is not locked\n");
+    exit(1);
+  }
+
+  // Verifies that write to index1 is still possible.
+  x = 2;
+  result = TlclWrite(INDEX1, (uint8_t*) &x, sizeof(x));
+  if (result != TPM_SUCCESS) {
+    error("failure to write at INDEX1\n");
+    exit(2);
+  }
+
+  // Turns off PP.
+  TlclLockPhysicalPresence();
+
+  // Verifies that write to index1 fails.
+  x = 3;
+  result = TlclWrite(INDEX1, (uint8_t*) &x, sizeof(x));
+  if (result != TPM_E_BAD_PRESENCE) {
+    error("INDEX1 is not locked\n");
+    exit(3);
+  }
+
+  printf("Test completed successfully\n");
+  exit(0);
+}