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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
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/* Copyright (c) 2011 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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/* Testing: ForceClear and behavior of disable and permanent deactivated flags.
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*
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* ForceClear sets the permanent disable and deactivated flags to their default
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* value of TRUE. The specs say nothing about STCLEAR flags, so they should be
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* left alone. This test checks that both flags may be reset without a reboot,
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* resulting in a fully enabled and activated TPM. (We know that because
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* ForceClear requires that the TPM be enabled and activated to run.)
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*/
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#include <stdio.h>
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#include "host_common.h"
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#include "tlcl.h"
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#include "tlcl_tests.h"
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int main(int argc, char** argv) {
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uint8_t disable, deactivated;
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int i;
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TlclLibInit();
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TPM_CHECK(TlclStartupIfNeeded());
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TPM_CHECK(TlclSelfTestFull());
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TPM_CHECK(TlclAssertPhysicalPresence());
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TPM_CHECK(TlclGetFlags(&disable, &deactivated, NULL));
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printf("disable is %d, deactivated is %d\n", disable, deactivated);
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for (i = 0; i < 2; i++) {
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TPM_CHECK(TlclForceClear());
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TPM_CHECK(TlclGetFlags(&disable, &deactivated, NULL));
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printf("disable is %d, deactivated is %d\n", disable, deactivated);
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VbAssert(disable == 1 && deactivated == 1);
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TPM_CHECK(TlclSetEnable());
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TPM_CHECK(TlclSetDeactivated(0));
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TPM_CHECK(TlclGetFlags(&disable, &deactivated, NULL));
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printf("disable is %d, deactivated is %d\n", disable, deactivated);
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VbAssert(disable == 0 && deactivated == 0);
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}
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printf("TEST SUCCEEDED\n");
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return 0;
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}
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