// SPDX-License-Identifier: GPL-2.0+

  /*
   * (C) Copyright 2003 - 2004
   * Sysgo Real-Time Solutions, AG <www.elinos.com>
   * Pavel Bartusek <pba@sysgo.com>

   */
  
  /*
   * Reiserfs support
   */
  #include <common.h>

  #include <config.h>
  #include <command.h>
  #include <image.h>
  #include <linux/ctype.h>
  #include <asm/byteorder.h>
  #include <reiserfs.h>

  #include <part.h>

  #if !CONFIG_IS_ENABLED(DOS_PARTITION)

  #error DOS partition support must be selected
  #endif
  
  /* #define	REISER_DEBUG */
  
  #ifdef	REISER_DEBUG
  #define	PRINTF(fmt,args...)	printf (fmt ,##args)
  #else
  #define PRINTF(fmt,args...)
  #endif

  int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

  {
  	char *filename = "/";

  	int dev, part;

  	struct blk_desc *dev_desc = NULL;

  	disk_partition_t info;

  	if (argc < 3)

  		return CMD_RET_USAGE;

  	part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);

  	if (part < 0)

  		return 1;

  
  	if (argc == 4) {
  	    filename = argv[3];
  	}

  	dev = dev_desc->devnum;

  	PRINTF("Using device %s %d:%d, directory: %s
  ", argv[1], dev, part, filename);

  	reiserfs_set_blk_dev(dev_desc, &info);

  	if (!reiserfs_mount(info.size)) {

  		printf ("** Bad Reiserfs partition or disk - %s %d:%d **
  ",  argv[1], dev, part);

  		return 1;
  	}
  
  	if (reiserfs_ls (filename)) {
  		printf ("** Error reiserfs_ls() **
  ");
  		return 1;
  	};
  
  	return 0;
  }
  
  U_BOOT_CMD(
  	reiserls,	4,	1,	do_reiserls,

  	"list files in a directory (default /)",

  	"<interface> <dev[:part]> [directory]
  "

  	"    - list files from 'dev' on 'interface' in a 'directory'"

  );
  
  /******************************************************************************
   * Reiserfs boot command intepreter. Derived from diskboot
   */

  int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

  {
  	char *filename = NULL;

  	int dev, part;
  	ulong addr = 0, filelen;

  	disk_partition_t info;

  	struct blk_desc *dev_desc = NULL;

  	unsigned long count;
  	char *addr_str;
  
  	switch (argc) {
  	case 3:

  		addr_str = env_get("loadaddr");

  		if (addr_str != NULL) {
  			addr = simple_strtoul (addr_str, NULL, 16);
  		} else {

  			addr = CONFIG_SYS_LOAD_ADDR;

  		}

  		filename = env_get("bootfile");

  		count = 0;
  		break;
  	case 4:
  		addr = simple_strtoul (argv[3], NULL, 16);

  		filename = env_get("bootfile");

  		count = 0;
  		break;
  	case 5:
  		addr = simple_strtoul (argv[3], NULL, 16);
  		filename = argv[4];
  		count = 0;
  		break;
  	case 6:
  		addr = simple_strtoul (argv[3], NULL, 16);
  		filename = argv[4];
  		count = simple_strtoul (argv[5], NULL, 16);
  		break;
  
  	default:

  		return CMD_RET_USAGE;

  	}
  
  	if (!filename) {
  		puts ("
  ** No boot file defined **
  ");
  		return 1;
  	}

  	part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);

  	if (part < 0)

  		return 1;

  	dev = dev_desc->devnum;

  	printf("Loading file \"%s\" from %s device %d%c%c
  ",
  		filename, argv[1], dev,
  		part ? ':' : ' ', part ? part + '0' : ' ');

  	reiserfs_set_blk_dev(dev_desc, &info);

  	if (!reiserfs_mount(info.size)) {

  		printf ("** Bad Reiserfs partition or disk - %s %d:%d **
  ",  argv[1], dev, part);

  		return 1;
  	}
  
  	filelen = reiserfs_open(filename);
  	if (filelen < 0) {

  		printf("** File not found %s **
  ", filename);

  		return 1;
  	}
  	if ((count < filelen) && (count != 0)) {
  	    filelen = count;
  	}
  
  	if (reiserfs_read((char *)addr, filelen) != filelen) {
  		printf("
  ** Unable to read \"%s\" from %s %d:%d **
  ", filename, argv[1], dev, part);
  		return 1;
  	}
  
  	/* Loading ok, update default load address */
  	load_addr = addr;
  
  	printf ("
  %ld bytes read
  ", filelen);

  	env_set_hex("filesize", filelen);

  
  	return filelen;
  }
  
  U_BOOT_CMD(
  	reiserload,	6,	0,	do_reiserload,

  	"load binary file from a Reiser filesystem",

  	"<interface> <dev[:part]> [addr] [filename] [bytes]
  "
  	"    - load binary file 'filename' from 'dev' on 'interface'
  "

  	"      to address 'addr' from dos filesystem"

  );