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Improve fdt move length handling.

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Make the length parameter optional: if not specified, do the move using
the current size unchanged.

Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>
This commit is contained in:
Gerald Van Baren 2007-04-25 22:47:15 -04:00
parent bb930e76fe
commit 6be07cc1ca
1 changed files with 15 additions and 6 deletions
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21
common/cmd_fdt.c
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@ -115,7 +115,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
int len;
int err;
if (argc != 5) {
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
@ -129,11 +129,20 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
newaddr = (struct fdt_header *)simple_strtoul(argv[3], NULL, 16);
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, aborting.\n",
len, fdt_totalsize(fdt));
return 1;
/*
* If the user specifies a length, use that. Otherwise use the
* current length.
*/
if (argc <= 4) {
len = fdt_totalsize(fdt);
} else {
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length 0x%X < existing length 0x%X, aborting.\n",
len, fdt_totalsize(fdt));
return 1;
}
}
/*