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 U-Boot and can take an optional message.
Signed-off-by: Heiko Stuebner
Reviewed-by: Simon Glass
---
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 00..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
+#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]"
+);
--
2.26.2
