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https://source.denx.de/u-boot/u-boot.git
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8ca584ecfb
Fix the usage info from: part part uuid <interface> <dev>:<part> to part uuid <interface> <dev>:<part> Signed-off-by: Maxin B. John <maxin.john@enea.com> Reviewed-By: Sjoerd Simons <sjoerd.simons@collabora.co.uk
141 lines
2.9 KiB
C
141 lines
2.9 KiB
C
/*
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* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
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*
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* made from cmd_ext2, which was:
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*
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* (C) Copyright 2004
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* esd gmbh <www.esd-electronics.com>
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* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
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*
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* made from cmd_reiserfs by
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*
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* (C) Copyright 2003 - 2004
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* Sysgo Real-Time Solutions, AG <www.elinos.com>
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* Pavel Bartusek <pba@sysgo.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <part.h>
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#include <vsprintf.h>
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#ifndef CONFIG_PARTITION_UUIDS
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#error CONFIG_PARTITION_UUIDS must be enabled for CONFIG_CMD_PART to be enabled
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#endif
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static int do_part_uuid(int argc, char * const argv[])
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{
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int part;
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block_dev_desc_t *dev_desc;
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disk_partition_t info;
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if (argc < 2)
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return CMD_RET_USAGE;
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if (argc > 3)
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return CMD_RET_USAGE;
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part = get_device_and_partition(argv[0], argv[1], &dev_desc, &info, 0);
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if (part < 0)
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return 1;
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if (argc > 2)
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setenv(argv[2], info.uuid);
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else
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printf("%s\n", info.uuid);
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return 0;
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}
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static int do_part_list(int argc, char * const argv[])
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{
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int ret;
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block_dev_desc_t *desc;
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char *var = NULL;
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bool bootable = false;
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int i;
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if (argc < 2)
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return CMD_RET_USAGE;
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if (argc > 2) {
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for (i = 2; i < argc ; i++) {
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if (argv[i][0] == '-') {
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if (!strcmp(argv[i], "-bootable")) {
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bootable = true;
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} else {
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printf("Unknown option %s\n", argv[i]);
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return CMD_RET_USAGE;
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}
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} else {
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var = argv[i];
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break;
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}
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}
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/* Loops should have been exited at the last argument, which
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* as it contained the variable */
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if (argc != i + 1)
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return CMD_RET_USAGE;
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}
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ret = get_device(argv[0], argv[1], &desc);
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if (ret < 0)
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return 1;
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if (var != NULL) {
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int p;
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char str[512] = { '\0', };
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disk_partition_t info;
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for (p = 1; p < 128; p++) {
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char t[5];
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int r = get_partition_info(desc, p, &info);
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if (r != 0)
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continue;
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if (bootable && !info.bootable)
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continue;
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sprintf(t, "%s%d", str[0] ? " " : "", p);
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strcat(str, t);
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}
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setenv(var, str);
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return 0;
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}
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print_part(desc);
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return 0;
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}
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static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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if (argc < 2)
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return CMD_RET_USAGE;
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if (!strcmp(argv[1], "uuid"))
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return do_part_uuid(argc - 2, argv + 2);
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else if (!strcmp(argv[1], "list"))
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return do_part_list(argc - 2, argv + 2);
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return CMD_RET_USAGE;
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}
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U_BOOT_CMD(
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part, CONFIG_SYS_MAXARGS, 1, do_part,
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"disk partition related commands",
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"uuid <interface> <dev>:<part>\n"
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" - print partition UUID\n"
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"part uuid <interface> <dev>:<part> <varname>\n"
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" - set environment variable to partition UUID\n"
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"part list <interface> <dev>\n"
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" - print a device's partition table\n"
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"part list <interface> <dev> [flags] <varname>\n"
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" - set environment variable to the list of partitions\n"
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" flags can be -bootable (list only bootable partitions)"
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);
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