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 <gzip.h>
9 #include <malloc.h>
10
11 #include "config_data_gz.h"
12 #include "config_data_size.h"
13
do_config(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])14 static int do_config(struct cmd_tbl *cmdtp, int flag, int argc,
15 char *const argv[])
16 {
17 char *dst;
18 unsigned long len = data_size;
19 int ret = CMD_RET_SUCCESS;
20
21 dst = malloc(data_size + 1);
22 if (!dst)
23 return CMD_RET_FAILURE;
24
25 ret = gunzip(dst, data_size, (unsigned char *)data_gz, &len);
26 if (ret) {
27 printf("failed to uncompress .config data\n");
28 ret = CMD_RET_FAILURE;
29 goto free;
30 }
31
32 dst[data_size] = 0;
33 puts(dst);
34
35 free:
36 free(dst);
37
38 return ret;
39 }
40
41 U_BOOT_CMD(
42 config, 1, 1, do_config,
43 "print .config",
44 ""
45 );
46