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| author | Marek Vasut <marex@denx.de> | 2016-01-27 04:47:55 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-02-08 10:10:37 -0500 |
| commit | f3b267b3a229e328bf765ffbb8cb2af382bbfa63 (patch) | |
| tree | 9af8709d22441583a5757056f3eee2796404913e | |
| parent | 13d3046fa392625f172d55cba8eb551f47e45f3f (diff) | |
| download | u-boot-imx-f3b267b3a229e328bf765ffbb8cb2af382bbfa63.zip u-boot-imx-f3b267b3a229e328bf765ffbb8cb2af382bbfa63.tar.gz u-boot-imx-f3b267b3a229e328bf765ffbb8cb2af382bbfa63.tar.bz2 | |
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>
| -rw-r--r-- | README | 8 | ||||
| -rw-r--r-- | common/cli_hush.c | 10 |
2 files changed, 18 insertions, 0 deletions
@@ -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 diff --git a/common/cli_hush.c b/common/cli_hush.c index cbaf22e..00861e2 100644 --- a/common/cli_hush.c +++ b/common/cli_hush.c @@ -978,12 +978,22 @@ static inline void setup_prompt_string(int promptmode, char **prompt_str) static int uboot_cli_readline(struct in_str *i) { char *prompt; + char __maybe_unused *ps_prompt = NULL; if (i->promptmode == 1) prompt = CONFIG_SYS_PROMPT; else prompt = CONFIG_SYS_PROMPT_HUSH_PS2; +#ifdef CONFIG_CMDLINE_PS_SUPPORT + if (i->promptmode == 1) + ps_prompt = getenv("PS1"); + else + ps_prompt = getenv("PS2"); + if (ps_prompt) + prompt = ps_prompt; +#endif + return cli_readline(prompt); } #endif |