cmd: add a panic command
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> Reviewed-by: Tom Rini <trini@konsulko.com>
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@ -8,6 +8,7 @@ ifndef CONFIG_SPL_BUILD
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obj-y += boot.o
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obj-$(CONFIG_CMD_BOOTM) += bootm.o
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obj-y += help.o
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obj-y += panic.o
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obj-y += version.o
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# command
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23
cmd/panic.c
Normal file
23
cmd/panic.c
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@ -0,0 +1,23 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2020 Theobroma Systems Design und Consulting GmbH
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*/
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#include <common.h>
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#include <command.h>
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static int do_panic(struct cmd_tbl *cmdtp, int flag, int argc,
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char * const argv[])
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{
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char *text = (argc < 2) ? "" : argv[1];
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panic(text);
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return CMD_RET_SUCCESS;
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}
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U_BOOT_CMD(
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panic, 2, 1, do_panic,
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"Panic with optional message",
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"[message]"
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);
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