You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.3 KiB
57 lines
1.3 KiB
/* Copyright (c) 2011 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 recovery when we hit the NVRAM write limit for an unowned TPM.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "host_common.h"
|
|
#include "tlcl.h"
|
|
#include "tlcl_tests.h"
|
|
|
|
#define TPM_MAX_NV_WRITES_NOOWNER 64
|
|
|
|
int main(int argc, char** argv) {
|
|
int i;
|
|
|
|
uint32_t result;
|
|
|
|
TlclLibInit();
|
|
|
|
TPM_CHECK(TlclStartupIfNeeded());
|
|
TPM_CHECK(TlclSelfTestFull());
|
|
TPM_CHECK(TlclAssertPhysicalPresence());
|
|
TPM_CHECK(TlclForceClear());
|
|
TPM_CHECK(TlclSetEnable());
|
|
TPM_CHECK(TlclSetDeactivated(0));
|
|
|
|
for (i = 0; i < TPM_MAX_NV_WRITES_NOOWNER + 2; i++) {
|
|
printf("writing %d\n", i);
|
|
if ((result = TlclWrite(INDEX0, (uint8_t*)&i, sizeof(i))) != TPM_SUCCESS) {
|
|
switch (result) {
|
|
case TPM_E_MAXNVWRITES:
|
|
VbAssert(i >= TPM_MAX_NV_WRITES_NOOWNER);
|
|
break;
|
|
default:
|
|
VbExError("unexpected error code %d (0x%x)\n", result, result);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Reset write count */
|
|
TPM_CHECK(TlclForceClear());
|
|
TPM_CHECK(TlclSetEnable());
|
|
TPM_CHECK(TlclSetDeactivated(0));
|
|
|
|
/* Try writing again. */
|
|
TPM_CHECK(TlclWrite(INDEX0, (uint8_t*)&i, sizeof(i)));
|
|
|
|
printf("TEST SUCCEEDED\n");
|
|
exit(0);
|
|
}
|