diff options
Diffstat (limited to 'commands/md.c')
| -rw-r--r-- | commands/md.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/commands/md.c b/commands/md.c index d80c7cca0c..f3758f571f 100644 --- a/commands/md.c +++ b/commands/md.c @@ -49,8 +49,10 @@ static int do_mem_md(int argc, char *argv[]) } fd = open_and_lseek(filename, mode | O_RDONLY, start); - if (fd < 0) + if (fd < 0) { + printf("Could not open \"%s\": %m\n", filename); return 1; + } map = memmap(fd, PROT_READ); if (map != MAP_FAILED) { @@ -88,7 +90,7 @@ out: BAREBOX_CMD_HELP_START(md) -BAREBOX_CMD_HELP_TEXT("Display (hex dump) a memory region.") +BAREBOX_CMD_HELP_TEXT("Display (hex dump) a memory REGION.") BAREBOX_CMD_HELP_TEXT("") BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-b", "byte access") @@ -108,7 +110,7 @@ BAREBOX_CMD_HELP_END BAREBOX_CMD_START(md) .cmd = do_mem_md, BAREBOX_CMD_DESC("memory display") - BAREBOX_CMD_OPTS("[-bwlsx] REGION") + BAREBOX_CMD_OPTS("[-bwlqx] [-s FILE] REGION") BAREBOX_CMD_GROUP(CMD_GRP_MEM) BAREBOX_CMD_HELP(cmd_md_help) BAREBOX_CMD_END |