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hush: Add rudimentary support for PS1 and PS2

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Add trivial support for changing the U-Boot command prompt string
by setting PS1 and PS2 environment variables. Only static variables
are supported.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut
2016-01-27 04:47:55 +01:00
committed by Tom Rini
parent 13d3046fa3
commit f3b267b3a2
2 changed files with 18 additions and 0 deletions
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8
README
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@ -2905,6 +2905,14 @@ CBFS (Coreboot Filesystem) support
Enable editing and History functions for interactive
command line input operations
- Command Line PS1/PS2 support:
CONFIG_CMDLINE_PS_SUPPORT
Enable support for changing the command prompt string
at run-time. Only static string is supported so far.
The string is obtained from environment variables PS1
and PS2.
- Default Environment:
CONFIG_EXTRA_ENV_SETTINGS