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/*
* (C) Copyright 2002-2008
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <aes.h>
#include <stdint.h>
/* Pull in the current config to define the default environment */
#include <linux/kconfig.h>
#ifndef __ASSEMBLY__
#define __ASSEMBLY__ /* get only #defines from config.h */
#include <config.h>
#undef __ASSEMBLY__
#else
#include <config.h>
#endif
/*
* To build the utility with the static configuration
* comment out the next line.
* See included "fw_env.config" sample file
* for notes on configuration.
*/
#define CONFIG_FILE "/etc/fw_env.config"
#ifndef CONFIG_FILE
#define HAVE_REDUND /* For systems with 2 env sectors */
#define DEVICE1_NAME "/dev/mtd1"
#define DEVICE2_NAME "/dev/mtd2"
#define DEVICE1_OFFSET 0x0000
#define ENV1_SIZE 0x4000
#define DEVICE1_ESIZE 0x4000
#define DEVICE1_ENVSECTORS 2
#define DEVICE2_OFFSET 0x0000
#define ENV2_SIZE 0x4000
#define DEVICE2_ESIZE 0x4000
#define DEVICE2_ENVSECTORS 2
#endif
#ifndef CONFIG_BAUDRATE
#define CONFIG_BAUDRATE 115200
#endif
#ifndef CONFIG_BOOTDELAY
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#endif
#ifndef CONFIG_BOOTCOMMAND
#define CONFIG_BOOTCOMMAND \
"bootp; " \
"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
"bootm"
#endif
struct env_opts {
#ifdef CONFIG_FILE
char *config_file;
#endif
int aes_flag; /* Is AES encryption used? */
uint8_t aes_key[AES_KEY_LENGTH];
};
int parse_aes_key(char *key, uint8_t *bin_key);
int fw_printenv(int argc, char *argv[], int value_only, struct env_opts *opts);
char *fw_getenv(char *name);
int fw_setenv(int argc, char *argv[], struct env_opts *opts);
int fw_parse_script(char *fname, struct env_opts *opts);
int fw_env_open(struct env_opts *opts);
int fw_env_write(char *name, char *value);
int fw_env_close(struct env_opts *opts);
unsigned long crc32(unsigned long, const unsigned char *, unsigned);
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