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env: make import/export optional 

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
utp
Mike Frysinger 2010-12-26 23:09:45 -05:00
parent b16aadf411
commit 0c79cda01b
3 changed files with 12 additions and 0 deletions
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2
README
View File

@ -637,6 +637,7 @@ The following options need to be configured:
CONFIG_CMD_EDITENV edit env variable
CONFIG_CMD_EEPROM * EEPROM read/write support
CONFIG_CMD_ELF * bootelf, bootvx
CONFIG_CMD_EXPORTENV * export the environment
CONFIG_CMD_SAVEENV saveenv
CONFIG_CMD_FDC * Floppy Disk Support
CONFIG_CMD_FAT * FAT partition support
@ -649,6 +650,7 @@ The following options need to be configured:
CONFIG_CMD_IMI iminfo
CONFIG_CMD_IMLS List all found images
CONFIG_CMD_IMMAP * IMMR dump support
CONFIG_CMD_IMPORTENV * import an environment
CONFIG_CMD_IRQ * irqinfo
CONFIG_CMD_ITEST Integer/string test of 2 values
CONFIG_CMD_JFFS2 * JFFS2 Support

8
common/cmd_nvedit.c
View File

@ -559,6 +559,7 @@ static int do_env_delete(cmd_tbl_t * cmdtp, int flag, int argc, char * const arg
return 0;
}
#ifdef CONFIG_CMD_EXPORTENV
/*
* env export [-t | -b | -c] addr [size]
* -t: export as text format; if size is given, data will be
@ -695,7 +696,9 @@ sep_err:
cmd);
return 1;
}
#endif
#ifdef CONFIG_CMD_IMPORTENV
/*
* env import [-d] [-t | -b | -c] addr [size]
* -d: delete existing environment before importing;
@ -805,6 +808,7 @@ sep_err:
cmd);
return 1;
}
#endif
#if defined(CONFIG_CMD_RUN)
extern int do_run (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
@ -822,8 +826,12 @@ static cmd_tbl_t cmd_env_sub[] = {
#if defined(CONFIG_CMD_EDITENV)
U_BOOT_CMD_MKENT(edit, 2, 0, do_env_edit, "", ""),
#endif
#if defined(CONFIG_CMD_EXPORTENV)
U_BOOT_CMD_MKENT(export, 4, 0, do_env_export, "", ""),
#endif
#if defined(CONFIG_CMD_IMPORTENV)
U_BOOT_CMD_MKENT(import, 5, 0, do_env_import, "", ""),
#endif
U_BOOT_CMD_MKENT(print, CONFIG_SYS_MAXARGS, 1, do_env_print, "", ""),
#if defined(CONFIG_CMD_RUN)
U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""),

2
include/config_cmd_defaults.h
View File

@ -10,5 +10,7 @@
#define _CONFIG_CMD_DEFAULTS_H_
#define CONFIG_CMD_BOOTM 1
#define CONFIG_CMD_EXPORTENV 1
#define CONFIG_CMD_IMPORTENV 1
#endif