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"Das U-Boot" Source Tree
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2011
4 * Joe Hershberger, National Instruments, joe.hershberger@ni.com
5 *
6 * (C) Copyright 2000
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 */
9
10#include <command.h>
11#include <env.h>
12#include <image.h>
13#include <hash.h>
14#include <mapmem.h>
15#include <u-boot/md5.h>
16#include <asm/io.h>
17
18static int do_md5sum(struct cmd_tbl *cmdtp, int flag, int argc,
19 char *const argv[])
20{
21 int flags = HASH_FLAG_ENV;
22 int ac;
23 char *const *av;
24
25 if (argc < 3)
26 return CMD_RET_USAGE;
27
28 av = argv + 1;
29 ac = argc - 1;
30 if (IS_ENABLED(CONFIG_MD5SUM_VERIFY) && strcmp(*av, "-v") == 0) {
31 flags |= HASH_FLAG_VERIFY;
32 av++;
33 ac--;
34 }
35
36 return hash_command("md5", flags, cmdtp, flag, ac, av);
37}
38
39#if IS_ENABLED(CONFIG_MD5SUM_VERIFY)
40U_BOOT_CMD(
41 md5sum, 5, 1, do_md5sum,
42 "compute MD5 message digest",
43 "address count [[*]sum]\n"
44 " - compute MD5 message digest [save to sum]\n"
45 "md5sum -v address count [*]sum\n"
46 " - verify md5sum of memory area"
47);
48#else
49U_BOOT_CMD(
50 md5sum, 4, 1, do_md5sum,
51 "compute MD5 message digest",
52 "address count [[*]sum]\n"
53 " - compute MD5 message digest [save to sum]"
54);
55#endif /* IS_ENABLED(CONFIG_MD5SUM_VERIFY) */