From patchwork Fri Jun 26 11:36:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 243008 List-Id: U-Boot discussion From: heiko at sntech.de (Heiko Stuebner) Date: Fri, 26 Jun 2020 13:36:06 +0200 Subject: [PATCH] cmd: add a panic command Message-ID: <20200626113606.2526984-1-heiko@sntech.de> From: Heiko Stuebner 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 uboot and can take an optional message. Signed-off-by: Heiko Stuebner Reviewed-by: Simon Glass --- cmd/Makefile | 1 + cmd/panic.c | 22 ++++++++++++++++++++++ 2 files changed, 23 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..696b4c73a3 --- /dev/null +++ b/cmd/panic.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2020 Theobroma Systems Design und Consulting GmbH + */ + +#include +#include + +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]" +);