common/cmd_unzip.c

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