Cherry-pick vboot_reference files from TOT to support crossystem

utility/tpmc.c

 /* 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.
  *
  * TPM command utility.  Runs simple TPM commands.  Mostly useful when physical
  * presence has not been locked.
  *
  * The exit code is 0 for success, the TPM error code for TPM errors, and 255
  * for other errors.
  */
@@ skipping 272 matching lines @@
     HandlerWrite },
   { "read", "read", "read from a space (read <index> <size>)",
     HandlerRead },
   { "getpermissions", "getp", "print space permissions (getp <index>)",
     HandlerGetPermissions },
   { "getpermanentflags", "getpf", "print all permanent flags",
     HandlerGetPermanentFlags },
   { "getstclearflags", "getvf", "print all volatile (ST_CLEAR) flags",
     HandlerGetSTClearFlags },
   { "resume", "res", "execute TPM_Startup(ST_STATE)", TlclResume },
+  { "savestate", "save", "execute TPM_SaveState", TlclSaveState },
 };
 
 static int n_commands = sizeof(command_table) / sizeof(command_table[0]);
 
 int main(int argc, char* argv[]) {
   if (argc < 2) {
     fprintf(stderr, "usage: %s <TPM command> [args]\n   or: %s help\n",
             argv[0], argv[0]);
     return OTHER_ERROR;
   } else {
@@ skipping 16 matching lines @@
       if (strcmp(cmd, c->name) == 0 || strcmp(cmd, c->abbr) == 0) {
         return ErrorCheck(c->handler(), cmd);
       }
     }
 
     /* No command matched. */
     fprintf(stderr, "%s: unknown command: %s\n", argv[0], cmd);
     return OTHER_ERROR;
   }
 }