| /* 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 early writing to the NVRAM. |
| */ |
| |
| #include <stdio.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <tss/tcs.h> |
| |
| #include "tlcl.h" |
| |
| #define INDEX0 0xcafe |
| |
| int main(int argc, char** argv) { |
| uint32_t perm; |
| uint32_t result; |
| uint32_t x; |
| |
| TlclLibInit(); |
| |
| #if !USE_TPM_EMULATOR |
| TlclStartup(); |
| TlclContinueSelfTest(); |
| #endif |
| |
| do { |
| result = TlclAssertPhysicalPresence(); |
| printf("result of AssertPP = %d\n", result); |
| } while (result == TPM_E_DOING_SELFTEST || |
| result == TPM_E_NEEDS_SELFTEST); |
| |
| if (result != TPM_SUCCESS) { |
| error("AssertPP failed with error %d\n", result); |
| } |
| |
| do { |
| result = TlclRead(INDEX0, (uint8_t*) &x, sizeof(x)); |
| printf("result of ReadValue = %d\n", result); |
| } while (result == TPM_E_DOING_SELFTEST || |
| result == TPM_E_NEEDS_SELFTEST); |
| |
| if (result == TPM_E_BADINDEX) { |
| warning("creating INDEX0\n"); |
| perm = TPM_NV_PER_PPWRITE; |
| TlclDefineSpace(INDEX0, perm, sizeof(uint32_t)); |
| } else if (result != TPM_SUCCESS) { |
| error("Read failed with result %d\n", result); |
| } |
| |
| printf("Test completed successfully\n"); |
| exit(0); |
| } |