* (C) Copyright 2002
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ENVIRONMENT_H_
# endif
#endif /* CONFIG_ENV_IS_IN_FLASH */
+#if defined(CONFIG_ENV_IS_IN_MMC)
+# ifdef CONFIG_ENV_OFFSET_REDUND
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+#endif
+
#if defined(CONFIG_ENV_IS_IN_NAND)
# if defined(CONFIG_ENV_OFFSET_OOB)
# ifdef CONFIG_ENV_OFFSET_REDUND
# endif
#endif /* CONFIG_ENV_IS_IN_NAND */
+#if defined(CONFIG_ENV_IS_IN_UBI)
+# ifndef CONFIG_ENV_UBI_PART
+# error "Need to define CONFIG_ENV_UBI_PART when using CONFIG_ENV_IS_IN_UBI"
+# endif
+# ifndef CONFIG_ENV_UBI_VOLUME
+# error "Need to define CONFIG_ENV_UBI_VOLUME when using CONFIG_ENV_IS_IN_UBI"
+# endif
+# if defined(CONFIG_ENV_UBI_VOLUME_REDUND)
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+# ifndef CONFIG_ENV_SIZE
+# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_UBI"
+# endif
+# ifndef CONFIG_CMD_UBI
+# error "Need to define CONFIG_CMD_UBI when using CONFIG_ENV_IS_IN_UBI"
+# endif
+#endif /* CONFIG_ENV_IS_IN_UBI */
+
/* Embedded env is only supported for some flash types */
#ifdef CONFIG_ENV_IS_EMBEDDED
# if !defined(CONFIG_ENV_IS_IN_FLASH) && \
extern char *env_name_spec;
#endif
+#ifdef CONFIG_ENV_AES
+/* Make sure the payload is multiple of AES block size */
+#define ENV_SIZE ((CONFIG_ENV_SIZE - ENV_HEADER_SIZE) & ~(16 - 1))
+#else
#define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
+#endif
typedef struct environment_s {
uint32_t crc; /* CRC32 over data bytes */
unsigned char flags; /* active/obsolete flags */
#endif
unsigned char data[ENV_SIZE]; /* Environment data */
-} env_t;
+} env_t
+#ifdef CONFIG_ENV_AES
+/* Make sure the env is aligned to block size. */
+__attribute__((aligned(16)))
+#endif
+;
#ifdef ENV_IS_EMBEDDED
extern env_t environment;
extern void env_reloc(void);
#endif
+#ifdef CONFIG_ENV_IS_IN_MMC
+#include <mmc.h>
+
+extern int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr);
+# ifdef CONFIG_SYS_MMC_ENV_PART
+extern uint mmc_get_env_part(struct mmc *mmc);
+# endif
+#endif
+
#ifndef DO_DEPS_ONLY
+#include <env_attr.h>
+#include <env_callback.h>
+#include <env_flags.h>
#include <search.h>
extern struct hsearch_data env_htab;
/* Function that updates CRC of the enironment */
void env_crc_update(void);
+/* Look up the variable from the default environment */
+char *getenv_default(const char *name);
+
/* [re]set to the default environment */
void set_default_env(const char *s);
/* Import from binary representation into hash table */
int env_import(const char *buf, int check);
-/*
- * Check if variable "item" can be changed to newval
- * When (flag & H_FORCE) is set, it does not print out any error
- * message and forces overwriting of write-once variables.
- */
-int env_change_ok(const ENTRY *item, const char *newval, enum env_op op,
- int flag);
+/* Export from hash table into binary representation */
+int env_export(env_t *env_out);
#endif /* DO_DEPS_ONLY */