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authorAKASHI Takahiro <takahiro.akashi@linaro.org>2018-09-11 15:59:07 +0900
committerAlexander Graf <agraf@suse.de>2018-09-23 21:55:29 +0200
commitcda40b2aea39ec05683a2895f31c630ef2ce5131 (patch)
tree65f1979811c893820065a39d348c32449b3dfe21 /cmd
parentcb8af8af5ba03ae8e0a7315b66bfcc46d5c55627 (diff)
cmd: fat: add offset parameter to fatwrite
In this patch, fatwrite command is extended so as to accept an additional parameter of file offset. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'cmd')
-rw-r--r--cmd/fat.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/cmd/fat.c b/cmd/fat.c
index 03de5d11af..2a5f7bfc26 100644
--- a/cmd/fat.c
+++ b/cmd/fat.c
@@ -104,6 +104,7 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
int ret;
unsigned long addr;
unsigned long count;
+ long offset;
struct blk_desc *dev_desc = NULL;
disk_partition_t info;
int dev = 0;
@@ -126,9 +127,11 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
}
addr = simple_strtoul(argv[3], NULL, 16);
count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16);
+ /* offset should be a hex, but "-1" is allowed */
+ offset = (argc <= 6) ? 0 : simple_strtol(argv[6], NULL, 16);
buf = map_sysmem(addr, count);
- ret = file_fat_write(argv[4], buf, 0, count, &size);
+ ret = file_fat_write(argv[4], buf, offset, count, &size);
unmap_sysmem(buf);
if (ret < 0) {
printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
@@ -142,9 +145,9 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
}
U_BOOT_CMD(
- fatwrite, 6, 0, do_fat_fswrite,
+ fatwrite, 7, 0, do_fat_fswrite,
"write file into a dos filesystem",
- "<interface> <dev[:part]> <addr> <filename> [<bytes>]\n"
+ "<interface> <dev[:part]> <addr> <filename> [<bytes> [<offset>]]\n"
" - write file 'filename' from the address 'addr' in RAM\n"
" to 'dev' on 'interface'"
);