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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2012-11-26 13:51:41 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-11-26 11:14:40 +0100 |
| commit | 019d2474e892ad9e6be3ceccbb61798a423565a2 (patch) | |
| tree | 5d469cb76fcbb35165560e94f4d1c8397e362e11 /commands | |
| parent | 6552d2991ff5fb0d6632ab5dd91ac44be39d6992 (diff) | |
| download | barebox-019d2474e892ad9e6be3ceccbb61798a423565a2.tar.gz barebox-019d2474e892ad9e6be3ceccbb61798a423565a2.tar.xz | |
commands: mw: add the '-x' option (swap bytes)
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands')
| -rw-r--r-- | commands/mem.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/commands/mem.c b/commands/mem.c index 9873e52832..51aa04daa2 100644 --- a/commands/mem.c +++ b/commands/mem.c @@ -255,9 +255,10 @@ static int do_mem_mw(int argc, char *argv[]) char *filename = DEVMEM; int mode = O_RWSIZE_4; loff_t adr; + int swab = 0; - if (mem_parse_options(argc, argv, "bwld:", &mode, NULL, &filename, - NULL) < 0) + if (mem_parse_options(argc, argv, "bwld:x", &mode, NULL, &filename, + &swab) < 0) return 1; if (optind + 1 >= argc) @@ -280,10 +281,14 @@ static int do_mem_mw(int argc, char *argv[]) break; case O_RWSIZE_2: val16 = simple_strtoul(argv[optind], NULL, 0); + if (swab) + val16 = __swab16(val16); ret = write(fd, &val16, 2); break; case O_RWSIZE_4: val32 = simple_strtoul(argv[optind], NULL, 0); + if (swab) + val32 = __swab32(val32); ret = write(fd, &val32, 4); break; } |