Hi Masahiro, On 29 January 2017 at 18:12, Masahiro Yamada <[email protected]> wrote: > This feature is inspired by /proc/config.gz of Linux. In Linux, > if CONFIG_IKCONFIG is enabled, the ".config" file contents are > embedded in the kernel image. If CONFIG_IKCONFIG_PROC is also > enabled, the ".config" contents are exposed to /proc/config.gz. > Users can do "zcat /proc/config.gz" to check which config options > are enabled on the running kernel image. > > The idea is almost the same here; if CONFIG_CMD_CONFIG is enabled, > the ".config" contents are compressed and saved in the U-Boot image, > then printed by the new command "config". > > The usage is quite simple. Enable CONFIG_CMD_CONFIG, then run > > config > from the command line interface. The ".config" contents will be > printed on the console. > > This feature increases the U-Boot image size by about 4KB (this is > mostly due to the gzip-compressed .config file). By default, it is > enabled only for Sandbox because we do not care about the memory > footprint on it. Of course, this feature is architecture agnostic, > so you can enable it on any board if the image size increase is > acceptable for you. > > Signed-off-by: Masahiro Yamada <[email protected]> > --- > > Changes in v2: None > > Kconfig | 2 ++ > Makefile | 12 +++++++----- > cmd/.gitignore | 3 +++ > cmd/Kconfig | 12 ++++++++++++ > cmd/Makefile | 22 ++++++++++++++++++++++ > cmd/config.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ > scripts/.gitignore | 1 + > scripts/Kconfig | 2 ++ > scripts/Makefile | 4 ++++ > 9 files changed, 97 insertions(+), 5 deletions(-) > create mode 100644 cmd/.gitignore > create mode 100644 cmd/config.c > create mode 100644 scripts/Kconfig
Reviewed-by: Simon Glass <[email protected]> But I wonder why we shouldn't use a mechanism like cmd_dt_S_dtb in Makefile.lib to embed the file? Regards, Simon _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
