cmd_lzmadec.c 1.1 KB

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  1. /*
  2. * (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
  3. * lzma uncompress command in Uboot
  4. *
  5. * made from existing cmd_unzip.c file of Uboot
  6. *
  7. * (C) Copyright 2000
  8. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  9. *
  10. * SPDX-License-Identifier: GPL-2.0+
  11. */
  12. #include <common.h>
  13. #include <command.h>
  14. #include <asm/io.h>
  15. #include <lzma/LzmaTools.h>
  16. static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  17. {
  18. unsigned long src, dst;
  19. unsigned long src_len = ~0UL, dst_len = ~0UL;
  20. int ret;
  21. switch (argc) {
  22. case 4:
  23. dst_len = simple_strtoul(argv[3], NULL, 16);
  24. /* fall through */
  25. case 3:
  26. src = simple_strtoul(argv[1], NULL, 16);
  27. dst = simple_strtoul(argv[2], NULL, 16);
  28. break;
  29. default:
  30. return CMD_RET_USAGE;
  31. }
  32. ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
  33. map_sysmem(src, 0), dst_len);
  34. if (ret != SZ_OK)
  35. return 1;
  36. printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
  37. setenv_hex("filesize", src_len);
  38. return 0;
  39. }
  40. U_BOOT_CMD(
  41. lzmadec, 4, 1, do_lzmadec,
  42. "lzma uncompress a memory region",
  43. "srcaddr dstaddr [dstsize]"
  44. );