Add a new Kconfig option for the command line. This is enabled by default, but when disabled it will remove the command line.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Tom Rini trini@konsulko.com ---
Changes in v2: None
README | 8 ++++++++ cmd/Kconfig | 12 ++++++++++++ 2 files changed, 20 insertions(+)
diff --git a/README b/README index b2eee19..1393dea 100644 --- a/README +++ b/README @@ -1108,6 +1108,14 @@ The following options need to be configured:
XXX - this list needs to get updated!
+- Removal of commands + If no commands are needed to boot, you can disable + CONFIG_CMDLINE to remove them. In this case, the command line + will not be available, and when U-Boot wants to execute the + boot command (on start-up) it will call board_run_command() + instead. This can reduce image size significantly for very + simple boot procedures. + - Regular expression support: CONFIG_REGEX If this variable is defined, U-Boot is linked against diff --git a/cmd/Kconfig b/cmd/Kconfig index 2ed0263..8ead967 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1,8 +1,20 @@ menu "Command line interface"
+config CMDLINE + bool "Support U-Boot commands" + default y + help + Enable U-Boot's command-line functions. This provides a means + to enter commands into U-Boot for a wide variety of purposes. It + also allows scripts (containing commands) to be executed. + Various commands and command categorys can be indivdually enabled. + Depending on the number of commands enabled, this can add + substantially to the size of U-Boot. + config HUSH_PARSER bool "Use hush shell" select SYS_HUSH_PARSER + depends on CMDLINE help This option enables the "hush" shell (from Busybox) as command line interpreter, thus enabling powerful command line syntax like