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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.
*/
/* Timing test for various TPM operations. This is mostly a sanity check to
* make sure the part doesn't have ridicolously bad timing on simple
* operations.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/time.h>
#include <time.h>
#include "tlcl.h"
#include "tlcl_tests.h"
/* Runs [op] and ensures it returns success and doesn't run longer than
* [time_limit] in milliseconds.
*/
#define TTPM_CHECK(op, time_limit) do { \
struct timeval before, after; \
int time; \
uint32_t __result; \
gettimeofday(&before, NULL); \
__result = op; \
if (__result != TPM_SUCCESS) { \
printf(#op ": error %#x\n", __result); \
errors++; \
} \
gettimeofday(&after, NULL); \
time = (int) ((after.tv_sec - before.tv_sec) * 1000 + \
(after.tv_usec - before.tv_usec) / 1000); \
printf(#op ": %d ms\n", time); \
if (time > time_limit) { \
printf(#op " exceeded " #time_limit " ms\n"); \
time_limit_exceeded = 1; \
} \
} while (0)
int main(int argc, char** argv) {
uint32_t x;
uint8_t in[20], out[20];
int time_limit_exceeded = 0;
int errors = 0;
TlclLibInit();
TTPM_CHECK(0, 50);
TTPM_CHECK(TlclStartupIfNeeded(), 50);
TTPM_CHECK(TlclContinueSelfTest(), 100);
TTPM_CHECK(TlclSelfTestFull(), 1000);
TTPM_CHECK(TlclAssertPhysicalPresence(), 100);
TTPM_CHECK(TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x)), 100);
TTPM_CHECK(TlclRead(INDEX0, (uint8_t*) &x, sizeof(x)), 100);
TTPM_CHECK(TlclExtend(0, in, out), 200);
TTPM_CHECK(TlclSetGlobalLock(), 50);
TTPM_CHECK(TlclLockPhysicalPresence(), 100);
if (time_limit_exceeded || errors > 0) {
printf("TEST FAILED\n");
exit(1);
} else {
printf("TEST SUCCEEDED\n");
return 0;
}
}
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