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/* 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"
#include "utility.h"
#define INDEX0 0xcafe
int main(int argc, char** argv) {
uint32_t perm;
uint32_t result;
uint32_t x;
TlclLibInit();
TlclStartup();
TlclContinueSelfTest();
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 = TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x));
printf("result of WriteValue = %d\n", result);
} while (result == TPM_E_DOING_SELFTEST ||
result == TPM_E_NEEDS_SELFTEST);
if (result == TPM_E_BADINDEX) {
VBDEBUG(("creating INDEX0\n"));
perm = TPM_NV_PER_PPWRITE;
TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
} else if (result != TPM_SUCCESS) {
error("Write failed with result %d\n", result);
}
printf("Test completed successfully\n");
exit(0);
}
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