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| /rk3399_rockchip-uboot/tools/env/ |
| H A D | fw_env_main.c | 9884f44cab5d1ce944b1dc087c9bb8db0efb5160 Tue Oct 27 21:34:49 UTC 2015 Michael Heimpold <mhei@heimpold.de> tools/env: allow config filename to be passed via command line argument
When for example generating/manipulating SD card/eMMC images which
contain U-Boot and its environment(s), it is handy to use a given
configuration file instead of the compiled-in default one.
And since the default configuration file is expected under /etc
it's hard for an usual linux user account without special permissions
to use fw_printenv/fw_setenv for this purpose.
So allow to pass an optional filename via a new '-c' command
line argument.
Example:
$ ln -s fw_printenv tools/env/fw_setenv
$ cat fw_env.config
test.img 0x20000 0x20000
test.img 0x40000 0x20000
$ tools/env/fw_printenv -c ./fw_env.config fdt_file
fdt_file=imx28-duckbill.dtb
$ tools/env/fw_setenv -c ./fw_env.config fdt_file imx28-duckbill-spi.dtb
$ tools/env/fw_printenv -c ./fw_env.config fdt_file
fdt_file=imx28-duckbill-spi.dtb
Signed-off-by: Michael Heimpold <mhei@heimpold.de>
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| H A D | fw_env.c | 9884f44cab5d1ce944b1dc087c9bb8db0efb5160 Tue Oct 27 21:34:49 UTC 2015 Michael Heimpold <mhei@heimpold.de> tools/env: allow config filename to be passed via command line argument
When for example generating/manipulating SD card/eMMC images which
contain U-Boot and its environment(s), it is handy to use a given
configuration file instead of the compiled-in default one.
And since the default configuration file is expected under /etc
it's hard for an usual linux user account without special permissions
to use fw_printenv/fw_setenv for this purpose.
So allow to pass an optional filename via a new '-c' command
line argument.
Example:
$ ln -s fw_printenv tools/env/fw_setenv
$ cat fw_env.config
test.img 0x20000 0x20000
test.img 0x40000 0x20000
$ tools/env/fw_printenv -c ./fw_env.config fdt_file
fdt_file=imx28-duckbill.dtb
$ tools/env/fw_setenv -c ./fw_env.config fdt_file imx28-duckbill-spi.dtb
$ tools/env/fw_printenv -c ./fw_env.config fdt_file
fdt_file=imx28-duckbill-spi.dtb
Signed-off-by: Michael Heimpold <mhei@heimpold.de>
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