mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2025-11-24 02:05:01 +00:00
0b8f35c6a5
This creates a new vboot_firmware subdirectory, and which contains the entirety of the BIOS code. There shouldn't be anything in this directory that is NOT required by the BIOS. Review URL: http://codereview.chromium.org/2219004
37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/* Copyright (c) 2010 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.
|
|
*
|
|
* Functions for querying, manipulating and locking rollback indices
|
|
* stored in the TPM NVRAM.
|
|
*/
|
|
|
|
#ifndef VBOOT_REFERENCE_ROLLBACK_INDEX_H_
|
|
#define VBOOT_REFERENCE_ROLLBACK_INDEX_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
extern uint16_t g_firmware_key_version;
|
|
extern uint16_t g_firmware_version;
|
|
extern uint16_t g_kernel_key_version;
|
|
extern uint16_t g_kernel_version;
|
|
|
|
/* Rollback version types. */
|
|
#define FIRMWARE_KEY_VERSION 0
|
|
#define FIRMWARE_VERSION 1
|
|
#define KERNEL_KEY_VERSION 2
|
|
#define KERNEL_VERSION 3
|
|
|
|
/* TPM NVRAM location indices. */
|
|
#define FIRMWARE_KEY_VERSION_NV_INDEX 0x1001
|
|
#define FIRMWARE_VERSION_NV_INDEX 0x1002
|
|
#define KERNEL_KEY_VERSION_NV_INDEX 0x1003
|
|
#define KERNEL_VERSION_NV_INDEX 0x1004
|
|
|
|
void SetupTPM(void);
|
|
uint16_t GetStoredVersion(int type);
|
|
int WriteStoredVersion(int type, uint16_t version);
|
|
void LockStoredVersion(int type);
|
|
|
|
#endif /* VBOOT_REFERENCE_ROLLBACK_INDEX_H_ */
|