arc: introduce U-Boot port for ARCv2 ISA

[people/ms/u-boot.git] / common / cmd_part.c

diff --git a/common/cmd_part.c b/common/cmd_part.c
index b79f074f841aa21c53ad53ccec61ef92a5510d93..c99f52735f057c92b556bf49a7c0559f1ef66575 100644 (file)
--- a/common/cmd_part.c
+++ b/common/cmd_part.c
@@ -13,21 +13,7 @@
  * Sysgo Real-Time Solutions, AG <www.elinos.com>
  * Pavel Bartusek <pba@sysgo.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -40,7 +26,7 @@
 #error CONFIG_PARTITION_UUIDS must be enabled for CONFIG_CMD_PART to be enabled
 #endif
 
-int do_part_uuid(int argc, char * const argv[])
+static int do_part_uuid(int argc, char * const argv[])
 {
        int part;
        block_dev_desc_t *dev_desc;
@@ -63,24 +49,42 @@ int do_part_uuid(int argc, char * const argv[])
        return 0;
 }
 
-int do_part_list(int argc, char * const argv[])
+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;
 }
 
-int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        if (argc < 2)
                return CMD_RET_USAGE;
@@ -96,10 +100,12 @@ int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 U_BOOT_CMD(
        part,   5,      1,      do_part,
        "disk partition related commands",
-       "uuid <interface> <dev>:<part>\n"
+       "part uuid <interface> <dev>:<part>\n"
        "    - print partition UUID\n"
        "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"
 );