Eric Lee / smarc-uboot

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common/cmd_part.c 1.83 KB
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5cf41dccf   Stephen Warren   cmd_part: add par... 
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  /*
   * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
   *
   * made from cmd_ext2, which was:
   *
   * (C) Copyright 2004
   * esd gmbh <www.esd-electronics.com>
   * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
   *
   * made from cmd_reiserfs by
   *
   * (C) Copyright 2003 - 2004
   * Sysgo Real-Time Solutions, AG <www.elinos.com>
   * Pavel Bartusek <pba@sysgo.com>
   *
1a4596601   Wolfgang Denk   Add GPL-2.0+ SPDX... 
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   * SPDX-License-Identifier:	GPL-2.0+
5cf41dccf   Stephen Warren   cmd_part: add par... 
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   */
  
  #include <common.h>
  #include <config.h>
  #include <command.h>
  #include <part.h>
  #include <vsprintf.h>
  
  #ifndef CONFIG_PARTITION_UUIDS
  #error CONFIG_PARTITION_UUIDS must be enabled for CONFIG_CMD_PART to be enabled
  #endif
  
  int do_part_uuid(int argc, char * const argv[])
  {
  	int part;
  	block_dev_desc_t *dev_desc;
  	disk_partition_t info;
  
  	if (argc < 2)
  		return CMD_RET_USAGE;
  	if (argc > 3)
  		return CMD_RET_USAGE;
  
  	part = get_device_and_partition(argv[0], argv[1], &dev_desc, &info, 0);
  	if (part < 0)
  		return 1;
  
  	if (argc > 2)
  		setenv(argv[2], info.uuid);
  	else
  		printf("%s
  ", info.uuid);
  
  	return 0;
  }
  
  int do_part_list(int argc, char * const argv[])
  {
  	int ret;
  	block_dev_desc_t *desc;
  
  	if (argc != 2)
  		return CMD_RET_USAGE;
  
  	ret = get_device(argv[0], argv[1], &desc);
  	if (ret < 0)
  		return 1;
  
  	print_part(desc);
  
  	return 0;
  }
  
  int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	if (argc < 2)
  		return CMD_RET_USAGE;
  
  	if (!strcmp(argv[1], "uuid"))
  		return do_part_uuid(argc - 2, argv + 2);
  	else if (!strcmp(argv[1], "list"))
  		return do_part_list(argc - 2, argv + 2);
  
  	return CMD_RET_USAGE;
  }
  
  U_BOOT_CMD(
  	part,	5,	1,	do_part,
  	"disk partition related commands",
92668d68c   Stephen Warren   cmd_part: don't p... 
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  	"uuid <interface> <dev>:<part>
  "
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  	"    - print partition UUID
  "
  	"part uuid <interface> <dev>:<part> <varname>
  "
  	"    - set environment variable to partition UUID
  "
  	"part list <interface> <dev>
  "
  	"    - print a device's partition table"
  );