cmd_unzip.c 852 B

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  1. /*
  2. * (C) Copyright 2000
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. #include <common.h>
  8. #include <command.h>
  9. static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  10. {
  11. unsigned long src, dst;
  12. unsigned long src_len = ~0UL, dst_len = ~0UL;
  13. switch (argc) {
  14. case 4:
  15. dst_len = simple_strtoul(argv[3], NULL, 16);
  16. /* fall through */
  17. case 3:
  18. src = simple_strtoul(argv[1], NULL, 16);
  19. dst = simple_strtoul(argv[2], NULL, 16);
  20. break;
  21. default:
  22. return CMD_RET_USAGE;
  23. }
  24. if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
  25. return 1;
  26. printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
  27. setenv_hex("filesize", src_len);
  28. return 0;
  29. }
  30. U_BOOT_CMD(
  31. unzip, 4, 1, do_unzip,
  32. "unzip a memory region",
  33. "srcaddr dstaddr [dstsize]"
  34. );