hush: Add rudimentary support for PS1 and PS2
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>
diff --git a/README b/README
index 83d2874..2492364 100644
--- a/README
+++ b/README
@@ -2905,6 +2905,14 @@
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