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fc70d72aaa
Refactor and restructure reference code into individual self-contain modules. I have revamped the way the code is structured to make it easy to determine which parts belong in the firmware and which are used by userland tools. common/ - common utilities and stub functions (Firmware) cryptolib/ - crypto library (Firmware) misclibs/ - miscellaneous userland libraries (Userland) sctips/ - Miscellaenous scripts (Userland) tests/ - Tests (Userland) vfirmware/ - Verified Firmware Implementation vfirmware/firmware_image_fw.c (Firmware) vfirmware/firmware_image.c (Userland) vkernel/ - Verified Kernel Implementation vkernel/kernel_image_fw.c (Firmware) vkernel/kernel_image.c (Userland) Review URL: http://codereview.chromium.org/1581005
37 lines
1.0 KiB
C
37 lines
1.0 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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* 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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#ifndef VBOOT_REFERENCE_ROLLBACK_INDEX_H_
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#define VBOOT_REFERENCE_ROLLBACK_INDEX_H_
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#include <stdint.h>
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extern uint16_t g_firmware_key_version;
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extern uint16_t g_firmware_version;
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extern uint16_t g_kernel_key_version;
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extern uint16_t g_kernel_version;
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/* Rollback version types. */
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#define FIRMWARE_KEY_VERSION 0
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#define FIRMWARE_VERSION 1
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#define KERNEL_KEY_VERSION 2
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#define KERNEL_VERSION 3
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/* TPM NVRAM location indices. */
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#define FIRMWARE_KEY_VERSION_NV_INDEX 0x1001
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#define FIRMWARE_VERSION_NV_INDEX 0x1002
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#define KERNEL_KEY_VERSION_NV_INDEX 0x1003
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#define KERNEL_VERSION_NV_INDEX 0x1004
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void SetupTPM(void);
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uint16_t GetStoredVersion(int type);
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int WriteStoredVersion(int type, uint16_t version);
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void LockStoredVersion(int type);
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#endif /* VBOOT_REFERENCE_ROLLBACK_INDEX_H_ */
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