/*
   * (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
   * lzma uncompress command in Uboot
   *
   * made from existing cmd_unzip.c file of Uboot
   *
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  #include <command.h>
  #include <mapmem.h>
  #include <asm/io.h>
  
  #include <lzma/LzmaTools.h>
  
  static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  {
  	unsigned long src, dst;
  	SizeT src_len = ~0UL, dst_len = ~0UL;
  	int ret;
  
  	switch (argc) {
  	case 4:
  		dst_len = simple_strtoul(argv[3], NULL, 16);
  		/* fall through */
  	case 3:
  		src = simple_strtoul(argv[1], NULL, 16);
  		dst = simple_strtoul(argv[2], NULL, 16);
  		break;
  	default:
  		return CMD_RET_USAGE;
  	}
  
  	ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
  				       map_sysmem(src, 0), dst_len);
  
  	if (ret != SZ_OK)
  		return 1;
  	printf("Uncompressed size: %ld = %#lX
  ", (ulong)src_len,
  	       (ulong)src_len);
  	env_set_hex("filesize", src_len);
  
  	return 0;
  }
  
  U_BOOT_CMD(
  	lzmadec,    4,    1,    do_lzmadec,
  	"lzma uncompress a memory region",
  	"srcaddr dstaddr [dstsize]"
  );