From: Heiko Stuebner heiko.stuebner@theobroma-systems.com
Even in boot scripts it may be needed to "panic" when all options are exhausted and the device specification specifies hanging instead of resetting the board.
So add a new panic command that just wraps around the core panic call in U-Boot and can take an optional message.
Signed-off-by: Heiko Stuebner heiko.stuebner@theobroma-systems.com Reviewed-by: Simon Glass sjg@chromium.org --- changes in v2: - add blank line before return (Simon) - fix U-Boot spelling (Simon)
cmd/Makefile | 1 + cmd/panic.c | 23 +++++++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 cmd/panic.c
diff --git a/cmd/Makefile b/cmd/Makefile index ac843b4b16..027fa9083a 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -8,6 +8,7 @@ ifndef CONFIG_SPL_BUILD obj-y += boot.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += help.o +obj-y += panic.o obj-y += version.o
# command diff --git a/cmd/panic.c b/cmd/panic.c new file mode 100644 index 0000000000..329231fb66 --- /dev/null +++ b/cmd/panic.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2020 Theobroma Systems Design und Consulting GmbH + */ + +#include <common.h> +#include <command.h> + +static int do_panic(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + char *text = (argc < 2) ? "" : argv[1]; + + panic(text); + + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + panic, 2, 1, do_panic, + "Panic with optional message", + "[message]" +);