cmd/config.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Masahiro Yamada <yamada.masahiro@socionext.com>
   4  */
   5
   6 #include <common.h>
   7 #include <command.h>
   8 #include <malloc.h>
   9
  10 #include "config_data_gz.h"
  11 #include "config_data_size.h"
  12
  13 static int do_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  14 {
  15         char *dst;
  16         unsigned long len = data_size;
  17         int ret = CMD_RET_SUCCESS;
  18
  19         dst = malloc(data_size + 1);
  20         if (!dst)
  21                 return CMD_RET_FAILURE;
  22
  23         ret = gunzip(dst, data_size, (unsigned char *)data_gz, &len);
  24         if (ret) {
  25                 printf("failed to uncompress .config data\n");
  26                 ret = CMD_RET_FAILURE;
  27                 goto free;
  28         }
  29
  30         dst[data_size] = 0;
  31         puts(dst);
  32
  33 free:
  34         free(dst);
  35
  36         return ret;
  37 }
  38
  39 U_BOOT_CMD(
  40         config, 1, 1, do_config,
  41         "print .config",
  42         ""
  43 );