lzmadec.c 1.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
  4. * lzma uncompress command in Uboot
  5. *
  6. * made from existing cmd_unzip.c file of Uboot
  7. *
  8. * (C) Copyright 2000
  9. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  10. */
  11. #include <common.h>
  12. #include <command.h>
  13. #include <env.h>
  14. #include <mapmem.h>
  15. #include <asm/io.h>
  16. #include <lzma/LzmaTools.h>
  17. static int do_lzmadec(struct cmd_tbl *cmdtp, int flag, int argc,
  18. char *const argv[])
  19. {
  20. unsigned long src, dst;
  21. SizeT src_len = ~0UL, dst_len = ~0UL;
  22. int ret;
  23. switch (argc) {
  24. case 4:
  25. dst_len = hextoul(argv[3], NULL);
  26. /* fall through */
  27. case 3:
  28. src = hextoul(argv[1], NULL);
  29. dst = hextoul(argv[2], NULL);
  30. break;
  31. default:
  32. return CMD_RET_USAGE;
  33. }
  34. ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
  35. map_sysmem(src, 0), dst_len);
  36. if (ret != SZ_OK)
  37. return 1;
  38. printf("Uncompressed size: %ld = %#lX\n", (ulong)src_len,
  39. (ulong)src_len);
  40. env_set_hex("filesize", src_len);
  41. return 0;
  42. }
  43. U_BOOT_CMD(
  44. lzmadec, 4, 1, do_lzmadec,
  45. "lzma uncompress a memory region",
  46. "srcaddr dstaddr [dstsize]"
  47. );