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| 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 * Use of this source code is governed by a BSD-style license that can be |
| 3 * found in the LICENSE file. |
| 4 */ |
| 5 |
| 6 /* Test of early writing to the NVRAM. |
| 7 */ |
| 8 |
| 9 #include <stdio.h> |
| 10 #include <stdint.h> |
| 11 #include <stdlib.h> |
| 12 #include <tss/tcs.h> |
| 13 |
| 14 #include "tlcl.h" |
| 15 |
| 16 #define INDEX0 0xcafe |
| 17 |
| 18 int main(int argc, char** argv) { |
| 19 uint32_t perm; |
| 20 uint32_t result; |
| 21 uint32_t x; |
| 22 |
| 23 TlclLibInit(); |
| 24 |
| 25 #if !USE_TPM_EMULATOR |
| 26 TlclStartup(); |
| 27 TlclContinueSelfTest(); |
| 28 #endif |
| 29 |
| 30 do { |
| 31 result = TlclAssertPhysicalPresenceResult(); |
| 32 printf("result of AssertPP = %d\n", result); |
| 33 } while (result == TPM_E_DOING_SELFTEST || |
| 34 result == TPM_E_NEEDS_SELFTEST); |
| 35 |
| 36 if (result != TPM_SUCCESS) { |
| 37 error("AssertPP failed with error %d\n", result); |
| 38 } |
| 39 |
| 40 do { |
| 41 result = TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x)); |
| 42 printf("result of WriteValue = %d\n", result); |
| 43 } while (result == TPM_E_DOING_SELFTEST || |
| 44 result == TPM_E_NEEDS_SELFTEST); |
| 45 |
| 46 if (result == TPM_E_BADINDEX) { |
| 47 warning("creating INDEX0\n"); |
| 48 perm = TPM_NV_PER_PPWRITE; |
| 49 TlclDefineSpace(INDEX0, perm, sizeof(uint32_t)); |
| 50 } else if (result != TPM_SUCCESS) { |
| 51 error("Write failed with result %d\n", result); |
| 52 } |
| 53 |
| 54 printf("Test completed successfully\n"); |
| 55 exit(0); |
| 56 } |
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