diff options
| -rw-r--r-- | util/nvmutil/nvmutil.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 0ccfaf32..35abbfae 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: MIT */ /* SPDX-FileCopyrightText: 2022, 2023 Leah Rowe <leah@libreboot.org> */ +/* SPDX-FileCopyrightText: 2023 Riku Viitanen <riku.viitanen@protonmail.com> */ #include <sys/stat.h> @@ -61,8 +62,16 @@ void (*cmd)(void) = NULL; int main(int argc, char *argv[]) { - if (argc < 3) + if (argc < 3) { + fprintf(stderr, "USAGE:\n"); + fprintf(stderr, " %s FILE dump\n", argv[0]); + fprintf(stderr, " %s FILE setmac [MAC]\n", argv[0]); + fprintf(stderr, " %s FILE swap\n", argv[0]); + fprintf(stderr, " %s FILE copy 0|1\n", argv[0]); + fprintf(stderr, " %s FILE brick 0|1\n", argv[0]); + fprintf(stderr, " %s FILE setchecksum 0|1\n", argv[0]); err(errno = ECANCELED, "Too few arguments"); + } flags = (strcmp(COMMAND, "dump") == 0) ? O_RDONLY : flags; filename = argv[1]; #ifdef __OpenBSD__ |