diff options
Diffstat (limited to 'include/environment.h')
| -rw-r--r-- | include/environment.h | 61 |
1 files changed, 40 insertions, 21 deletions
diff --git a/include/environment.h b/include/environment.h index 6394a96c3..3c145af93 100644 --- a/include/environment.h +++ b/include/environment.h @@ -38,21 +38,22 @@ */ #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" @@ -60,8 +61,9 @@ # 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) +# 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 # endif # if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND) @@ -105,10 +107,10 @@ extern unsigned long nand_env_oob_offset; /* 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) && \ - !defined(CONFIG_ENV_IS_IN_SPI_FLASH) +# 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 @@ -141,10 +143,13 @@ extern unsigned long nand_env_oob_offset; # define ENV_HEADER_SIZE (sizeof(uint32_t)) #endif +#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) +extern char *env_name_spec; +#endif #define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE) -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 */ @@ -152,6 +157,20 @@ typedef struct environment_s { unsigned char data[ENV_SIZE]; /* Environment data */ } env_t; +#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 + #ifndef DO_DEPS_ONLY #include <search.h> @@ -159,14 +178,14 @@ typedef struct environment_s { 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 */ const unsigned char *env_get_addr(int); -unsigned char env_get_char_memory (int index); +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); /* [re]set to the default environment */ void set_default_env(const char *s); @@ -174,6 +193,6 @@ void set_default_env(const char *s); /* Import from binary representation into hash table */ int env_import(const char *buf, int check); -#endif +#endif /* DO_DEPS_ONLY */ -#endif /* _ENVIRONMENT_H_ */ +#endif /* _ENVIRONMENT_H_ */ |