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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __VBOOT_VBNV_H__
#define __VBOOT_VBNV_H__
#include <types.h>
/* Generic functions */
void read_vbnv(uint8_t *vbnv_copy);
void save_vbnv(const uint8_t *vbnv_copy);
int verify_vbnv(uint8_t *vbnv_copy);
void regen_vbnv_crc(uint8_t *vbnv_copy);
int get_recovery_mode_from_vbnv(void);
void set_recovery_mode_into_vbnv(int recovery_reason);
int vboot_wants_oprom(void);
/* Initialize and read vbnv. This is used in the main vboot logic path. */
void vbnv_init(uint8_t *vbnv_copy);
/* CMOS backend */
void read_vbnv_cmos(uint8_t *vbnv_copy);
void save_vbnv_cmos(const uint8_t *vbnv_copy);
/* Flash backend */
void read_vbnv_flash(uint8_t *vbnv_copy);
void save_vbnv_flash(const uint8_t *vbnv_copy);
/* EC backend */
void read_vbnv_ec(uint8_t *vbnv_copy);
void save_vbnv_ec(const uint8_t *vbnv_copy);
#endif /* __VBOOT_VBNV_H__ */
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