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authorTom Rini <trini@konsulko.com>2021-01-11 13:55:03 -0500
committerTom Rini <trini@konsulko.com>2021-01-11 13:55:03 -0500
commitd71be1990218957b9f05dbf13a72859a2abe06d7 (patch)
tree99858dc9988f7f7b4c0ab1d8d45738e3abdf38c8 /cmd/sandbox/exception.c
parentc4fddedc48f336eabc4ce3f74940e6aa372de18c (diff)
parentbc0b99bd8b19599f670f42401de655fa9b44cd94 (diff)
Merge branch 'next'
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'cmd/sandbox/exception.c')
-rw-r--r--cmd/sandbox/exception.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/cmd/sandbox/exception.c b/cmd/sandbox/exception.c
new file mode 100644
index 0000000000..1aa1d673ae
--- /dev/null
+++ b/cmd/sandbox/exception.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * The 'exception' command can be used for testing exception handling.
+ *
+ * Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
+ */
+
+#include <common.h>
+#include <command.h>
+
+static int do_sigsegv(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ u8 *ptr = NULL;
+
+ *ptr = 0;
+ return CMD_RET_FAILURE;
+}
+
+static int do_undefined(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ asm volatile (".word 0xffff\n");
+ return CMD_RET_FAILURE;
+}
+
+static struct cmd_tbl cmd_sub[] = {
+ U_BOOT_CMD_MKENT(sigsegv, CONFIG_SYS_MAXARGS, 1, do_sigsegv,
+ "", ""),
+ U_BOOT_CMD_MKENT(undefined, CONFIG_SYS_MAXARGS, 1, do_undefined,
+ "", ""),
+};
+
+static char exception_help_text[] =
+ "<ex>\n"
+ " The following exceptions are available:\n"
+ " undefined - undefined instruction\n"
+ " sigsegv - illegal memory access\n"
+ ;
+
+#include <exception.h>