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664096bd1a
Originally, we didn't trust the firmware to provide these functions from a standard library. Now, with coreboot, we do. BUG=chromium:611535 BRANCH=none TEST=make runtests; emerge-kevin coreboot depthcharge Change-Id: I4e624c40085f2b665275a38624340b2f6aabcf11 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/399120 Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
48 lines
855 B
C
48 lines
855 B
C
/* Copyright (c) 2012 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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* Functions for querying, manipulating and locking rollback indices
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* stored in the TPM NVRAM.
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*/
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#include "sysincludes.h"
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#include "utility.h"
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#include "rollback_index.h"
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#include "tss_constants.h"
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uint32_t SetVirtualDevMode(int val)
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{
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return TPM_SUCCESS;
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}
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uint32_t TPMClearAndReenable(void)
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{
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return TPM_SUCCESS;
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}
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uint32_t RollbackKernelRead(uint32_t *version)
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{
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*version = 0;
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return TPM_SUCCESS;
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}
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uint32_t RollbackKernelWrite(uint32_t version)
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{
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return TPM_SUCCESS;
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}
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uint32_t RollbackKernelLock(int recovery_mode)
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{
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return TPM_SUCCESS;
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}
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uint32_t RollbackFwmpRead(struct RollbackSpaceFwmp *fwmp)
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{
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memset(fwmp, 0, sizeof(*fwmp));
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return TPM_SUCCESS;
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}
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