LXR uboot/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#include <env.h>
  10#include <gzip.h>
  11
  12static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  13{
  14        unsigned long src, dst;
  15        unsigned long src_len, dst_len = ~0UL;
  16
  17        switch (argc) {
  18                case 5:
  19                        dst_len = hextoul(argv[4], NULL);
  20                        /* fall through */
  21                case 4:
  22                        src = hextoul(argv[1], NULL);
  23                        src_len = hextoul(argv[2], NULL);
  24                        dst = hextoul(argv[3], NULL);
  25                        break;
  26                default:
  27                        return cmd_usage(cmdtp);
  28        }
  29
  30        if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
  31                return 1;
  32
  33        printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
  34        env_set_hex("filesize", dst_len);
  35
  36        return 0;
  37}
  38
  39U_BOOT_CMD(
  40        zip,    5,      1,      do_zip,
  41        "zip a memory region",
  42        "srcaddr srcsize dstaddr [dstsize]"
  43);
  44