cmd/zip.c

   1 /*
   2  * (C) Copyright 2012
   3  * Lei Wen <leiwen@marvell.com>, Marvell Inc.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10
  11 static int do_zip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  12 {
  13         unsigned long src, dst;
  14         unsigned long src_len, dst_len = ~0UL;
  15
  16         switch (argc) {
  17                 case 5:
  18                         dst_len = simple_strtoul(argv[4], NULL, 16);
  19                         /* fall through */
  20                 case 4:
  21                         src = simple_strtoul(argv[1], NULL, 16);
  22                         src_len = simple_strtoul(argv[2], NULL, 16);
  23                         dst = simple_strtoul(argv[3], NULL, 16);
  24                         break;
  25                 default:
  26                         return cmd_usage(cmdtp);
  27         }
  28
  29         if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
  30                 return 1;
  31
  32         printf("Compressed size: %ld = 0x%lX\n", dst_len, dst_len);
  33         env_set_hex("filesize", dst_len);
  34
  35         return 0;
  36 }
  37
  38 U_BOOT_CMD(
  39         zip,    5,      1,      do_zip,
  40         "zip a memory region",
  41         "srcaddr srcsize dstaddr [dstsize]"
  42 );