cmd/zip.c

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