[PATCH 10/10] mw command: Add 64bit support
Sascha Hauer
s.hauer at pengutronix.de
Thu May 28 03:34:44 PDT 2015
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
commands/mw.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/commands/mw.c b/commands/mw.c
index f0384f6..8ca3c61 100644
--- a/commands/mw.c
+++ b/commands/mw.c
@@ -42,7 +42,7 @@ static int do_mem_mw(int argc, char *argv[])
loff_t adr;
int swab = 0;
- if (mem_parse_options(argc, argv, "bwld:x", &mode, NULL, &filename,
+ if (mem_parse_options(argc, argv, "bwlqd:x", &mode, NULL, &filename,
&swab) < 0)
return 1;
@@ -59,6 +59,7 @@ static int do_mem_mw(int argc, char *argv[])
u8 val8;
u16 val16;
u32 val32;
+ u64 val64;
switch (mode) {
case O_RWSIZE_1:
val8 = simple_strtoul(argv[optind], NULL, 0);
@@ -76,6 +77,12 @@ static int do_mem_mw(int argc, char *argv[])
val32 = __swab32(val32);
ret = write(fd, &val32, 4);
break;
+ case O_RWSIZE_8:
+ val64 = simple_strtoull(argv[optind], NULL, 0);
+ if (swab)
+ val64 = __swab64(val64);
+ ret = write(fd, &val64, 8);
+ break;
}
if (ret < 0) {
perror("write");
@@ -97,6 +104,7 @@ BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-b", "byte access")
BAREBOX_CMD_HELP_OPT ("-w", "word access (16 bit)")
BAREBOX_CMD_HELP_OPT ("-l", "long access (32 bit)")
+BAREBOX_CMD_HELP_OPT ("-q", "quad access (64 bit)")
BAREBOX_CMD_HELP_OPT ("-d FILE", "write file (default /dev/mem)")
BAREBOX_CMD_HELP_END
--
2.1.4
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