Add an optional third argument to the "part list" command which puts a space seperated list of valid partitions into the given environment variable. This is useful for allowing boot scripts to iterate of all partitions of a device.
Signed-off-by: Sjoerd Simons sjoerd.simons@collabora.co.uk --- common/cmd_part.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/common/cmd_part.c b/common/cmd_part.c index 39e8666..c99f527 100644 --- a/common/cmd_part.c +++ b/common/cmd_part.c @@ -54,13 +54,31 @@ static int do_part_list(int argc, char * const argv[]) int ret; block_dev_desc_t *desc;
- if (argc != 2) + if (argc < 2 || argc > 3) return CMD_RET_USAGE;
ret = get_device(argv[0], argv[1], &desc); if (ret < 0) return 1;
+ if (argc == 3) { + int p; + char str[512] = { 0, }; + disk_partition_t info; + + for (p = 1; p < 128; p++) { + int r = get_partition_info(desc, p, &info); + + if (r == 0) { + char t[5]; + sprintf(t, "%s%d", str[0] ? " " : "", p); + strcat(str, t); + } + } + setenv(argv[2], str); + return 0; + } + print_part(desc);
return 0; @@ -87,5 +105,7 @@ U_BOOT_CMD( "part uuid <interface> <dev>:<part> <varname>\n" " - set environment variable to partition UUID\n" "part list <interface> <dev>\n" - " - print a device's partition table" + " - print a device's partition table\n" + "part list <interface> <dev> <varname>\n" + " - set environment variable to the list of partitions" );