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Side by Side Diff: tests/tpm_lite/earlynvram2.c

Issue 2919010: Add tpm lite to vboot reference (Closed) Base URL: ssh://gitrw.chromium.org/vboot_reference.git
Patch Set: Created 10 years, 5 months ago
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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 #include "utility.h"
16
17 #define INDEX0 0xcafe
18
19 int main(int argc, char** argv) {
20 uint32_t perm;
21 uint32_t result;
22 uint32_t x;
23
24 TlclLibInit();
25 TlclStartup();
26 TlclContinueSelfTest();
27
28 do {
29 result = TlclAssertPhysicalPresence();
30 printf("result of AssertPP = %d\n", result);
31 } while (result == TPM_E_DOING_SELFTEST ||
32 result == TPM_E_NEEDS_SELFTEST);
33
34 if (result != TPM_SUCCESS) {
35 error("AssertPP failed with error %d\n", result);
36 }
37
38 do {
39 result = TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x));
40 printf("result of WriteValue = %d\n", result);
41 } while (result == TPM_E_DOING_SELFTEST ||
42 result == TPM_E_NEEDS_SELFTEST);
43
44 if (result == TPM_E_BADINDEX) {
45 VBDEBUG(("creating INDEX0\n"));
46 perm = TPM_NV_PER_PPWRITE;
47 TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
48 } else if (result != TPM_SUCCESS) {
49 error("Write failed with result %d\n", result);
50 }
51
52 printf("Test completed successfully\n");
53 exit(0);
54 }
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