zip.c 874 B

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2012
  4. * Lei Wen <leiwen@marvell.com>, Marvell Inc.
  5. */
  6. #include <common.h>
  7. #include <command.h>
  8. #include <env.h>
  9. #include <gzip.h>
  10. static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  11. {
  12. unsigned long src, dst;
  13. unsigned long src_len, dst_len = ~0UL;
  14. switch (argc) {
  15. case 5:
  16. dst_len = hextoul(argv[4], NULL);
  17. /* fall through */
  18. case 4:
  19. src = hextoul(argv[1], NULL);
  20. src_len = hextoul(argv[2], NULL);
  21. dst = hextoul(argv[3], NULL);
  22. break;
  23. default:
  24. return cmd_usage(cmdtp);
  25. }
  26. if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
  27. return 1;
  28. printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
  29. env_set_hex("filesize", dst_len);
  30. return 0;
  31. }
  32. U_BOOT_CMD(
  33. zip, 5, 1, do_zip,
  34. "zip a memory region",
  35. "srcaddr srcsize dstaddr [dstsize]"
  36. );