* (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_
-#define _ENVIRONMENT_H_ 1
+#define _ENVIRONMENT_H_
/**************************************************************************
*
*/
#if defined(CONFIG_ENV_IS_IN_FLASH)
-# ifndef CONFIG_ENV_ADDR
-# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+# ifndef CONFIG_ENV_ADDR
+# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
# endif
-# ifndef CONFIG_ENV_OFFSET
-# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
+# ifndef CONFIG_ENV_OFFSET
+# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
# endif
# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND)
-# define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_ENV_ADDR_REDUND \
+ (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
# endif
# if defined(CONFIG_ENV_SECT_SIZE) || defined(CONFIG_ENV_SIZE)
-# ifndef CONFIG_ENV_SECT_SIZE
-# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
+# ifndef CONFIG_ENV_SECT_SIZE
+# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
# endif
-# ifndef CONFIG_ENV_SIZE
-# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+# ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
# endif
# else
# error "Both CONFIG_ENV_SECT_SIZE and CONFIG_ENV_SIZE undefined"
# if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND)
# define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
# endif
-# if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \
- (CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) <= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
-# define ENV_IS_EMBEDDED 1
+# if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \
+ (CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= \
+ (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
+# define ENV_IS_EMBEDDED
# endif
# if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND)
-# define CONFIG_SYS_REDUNDAND_ENVIRONMENT 1
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
# endif
# ifdef CONFIG_ENV_IS_EMBEDDED
# error "do not define CONFIG_ENV_IS_EMBEDDED in your board config"
# endif
#endif /* CONFIG_ENV_IS_IN_FLASH */
-#if defined(CONFIG_ENV_IS_IN_NAND)
-# ifndef CONFIG_ENV_OFFSET
-# error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
+#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
+# error "CONFIG_ENV_OFFSET_REDUND is not supported when CONFIG_ENV_OFFSET_OOB"
+# error "is set"
+# endif
+extern unsigned long nand_env_oob_offset;
+# define CONFIG_ENV_OFFSET nand_env_oob_offset
+# else
+# ifndef CONFIG_ENV_OFFSET
+# error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
+# endif
+# ifdef CONFIG_ENV_OFFSET_REDUND
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+# endif /* CONFIG_ENV_OFFSET_OOB */
# ifndef CONFIG_ENV_SIZE
# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_NAND"
# endif
-# ifdef CONFIG_ENV_OFFSET_REDUND
-# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
-# endif
#endif /* CONFIG_ENV_IS_IN_NAND */
-#if defined(CONFIG_ENV_IS_IN_MG_DISK)
-# ifndef CONFIG_ENV_ADDR
-# error "Need to define CONFIG_ENV_ADDR when using CONFIG_ENV_IS_IN_MG_DISK"
+#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_MG_DISK"
+# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_UBI"
# endif
-#endif /* CONFIG_ENV_IS_IN_MG_DISK */
+# 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) && \
- !defined(CONFIG_ENV_IS_IN_NAND) && \
- !defined(CONFIG_ENV_IS_IN_ONENAND)
+# if !defined(CONFIG_ENV_IS_IN_FLASH) && \
+ !defined(CONFIG_ENV_IS_IN_NAND) && \
+ !defined(CONFIG_ENV_IS_IN_ONENAND) && \
+ !defined(CONFIG_ENV_IS_IN_SPI_FLASH)
# error "CONFIG_ENV_IS_EMBEDDED not supported for your flash type"
# endif
#endif
* calculated automatically (i.e. NAND), take the board opt-in.
*/
#if defined(CONFIG_ENV_IS_EMBEDDED) && !defined(ENV_IS_EMBEDDED)
-# define ENV_IS_EMBEDDED 1
+# define ENV_IS_EMBEDDED
#endif
/* The build system likes to know if the env is embedded */
#ifdef DO_DEPS_ONLY
# ifdef ENV_IS_EMBEDDED
-# define CONFIG_ENV_IS_EMBEDDED
+# ifndef CONFIG_ENV_IS_EMBEDDED
+# define CONFIG_ENV_IS_EMBEDDED
+# endif
# endif
#endif
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1)
+
+# define ACTIVE_FLAG 1
+# define OBSOLETE_FLAG 0
#else
# define ENV_HEADER_SIZE (sizeof(uint32_t))
#endif
+#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
+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 {
+typedef struct environment_s {
uint32_t crc; /* CRC32 over data bytes */
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
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;
+#endif /* ENV_IS_EMBEDDED */
+
+extern const unsigned char default_environment[];
+extern env_t *env_ptr;
+
+extern void env_relocate_spec(void);
+extern unsigned char env_get_char_spec(int);
+
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+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 returns a character from the environment */
-unsigned char env_get_char (int);
+unsigned char env_get_char(int);
/* Function that returns a pointer to a value from the environment */
-unsigned char *env_get_addr(int);
-unsigned char env_get_char_memory (int index);
+const unsigned char *env_get_addr(int);
+unsigned char env_get_char_memory(int index);
/* Function that updates CRC of the enironment */
-void env_crc_update (void);
+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(void);
+void set_default_env(const char *s);
+
+/* [re]set individual variables to their value in the default environment */
+int set_default_vars(int nvars, char * const vars[]);
+
+/* Import from binary representation into hash table */
+int env_import(const char *buf, int check);
+
+/* Export from hash table into binary representation */
+int env_export(env_t *env_out);
+
+#endif /* DO_DEPS_ONLY */
-#endif /* _ENVIRONMENT_H_ */
+#endif /* _ENVIRONMENT_H_ */
projects / J-u-boot.git / blobdiff