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Diffstat (limited to 'cmd/x86/exception.c')
-rw-r--r-- | cmd/x86/exception.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/cmd/x86/exception.c b/cmd/x86/exception.c new file mode 100644 index 0000000000..ade1e2ea92 --- /dev/null +++ b/cmd/x86/exception.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * The 'exception' command can be used for testing exception handling. + * + * Copyright (c) 2018, Heinrich Schuchardt <xypron.glpk@gmx.de> + */ + +#include <common.h> +#include <command.h> + +static int do_undefined(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + asm volatile (".word 0xffff\n"); + return CMD_RET_FAILURE; +} + +static cmd_tbl_t cmd_sub[] = { + 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" + ; + +#include <exception.h> |