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17f8d34109
BUG=chromium-os:26317 BRANCH=none TEST=manual sudo emerge vboot_reference emerge-link vboot_reference chromeos-u-boot chromeos-installer emerge-daisy vboot_reference chromeos-u-boot chromeos-installer Signed-off-by: Randall Spangler <rspangler@chromium.org> Change-Id: I8c55ca40f3f0cacf08530ab63c886fe351bcee8e Reviewed-on: https://gerrit.chromium.org/gerrit/41152
69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Timing test for various TPM operations. This is mostly a sanity check to
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* make sure the part doesn't have ridicolously bad timing on simple
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* operations.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <time.h>
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#include "tlcl.h"
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#include "tlcl_tests.h"
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#include "utility.h"
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/* Runs [op] and ensures it returns success and doesn't run longer than
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* [time_limit] in milliseconds.
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*/
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#define TTPM_CHECK(op, time_limit) do { \
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struct timeval before, after; \
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int time; \
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uint32_t __result; \
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gettimeofday(&before, NULL); \
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__result = op; \
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if (__result != TPM_SUCCESS) { \
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printf(#op ": error 0x%x\n", __result); \
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errors++; \
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} \
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gettimeofday(&after, NULL); \
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time = (int) ((after.tv_sec - before.tv_sec) * 1000 + \
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(after.tv_usec - before.tv_usec) / 1000); \
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printf(#op ": %d ms\n", time); \
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if (time > time_limit) { \
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printf(#op " exceeded " #time_limit " ms\n"); \
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time_limit_exceeded = 1; \
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} \
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} while (0)
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int main(int argc, char** argv) {
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uint32_t x;
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uint8_t in[20], out[20];
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int time_limit_exceeded = 0;
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int errors = 0;
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TlclLibInit();
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TTPM_CHECK(0, 50);
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TTPM_CHECK(TlclStartupIfNeeded(), 50);
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TTPM_CHECK(TlclContinueSelfTest(), 100);
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TTPM_CHECK(TlclSelfTestFull(), 1000);
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TTPM_CHECK(TlclAssertPhysicalPresence(), 100);
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TTPM_CHECK(TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x)), 100);
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TTPM_CHECK(TlclRead(INDEX0, (uint8_t*) &x, sizeof(x)), 100);
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TTPM_CHECK(TlclExtend(0, in, out), 200);
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TTPM_CHECK(TlclSetGlobalLock(), 50);
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TTPM_CHECK(TlclLockPhysicalPresence(), 100);
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if (time_limit_exceeded || errors > 0) {
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printf("TEST FAILED\n");
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exit(1);
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} else {
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printf("TEST SUCCEEDED\n");
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return 0;
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}
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}
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