1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
4 * lzma uncompress command in Uboot
5 *
6 * made from existing cmd_unzip.c file of Uboot
7 *
8 * (C) Copyright 2000
9 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 */
11
12 #include <common.h>
13 #include <command.h>
14 #include <mapmem.h>
15 #include <asm/io.h>
16
17 #include <lzma/LzmaTools.h>
18
do_lzmadec(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])19 static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
20 {
21 unsigned long src, dst;
22 SizeT src_len = ~0UL, dst_len = ~0UL;
23 int ret;
24
25 switch (argc) {
26 case 4:
27 dst_len = simple_strtoul(argv[3], NULL, 16);
28 /* fall through */
29 case 3:
30 src = simple_strtoul(argv[1], NULL, 16);
31 dst = simple_strtoul(argv[2], NULL, 16);
32 break;
33 default:
34 return CMD_RET_USAGE;
35 }
36
37 ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
38 map_sysmem(src, 0), dst_len);
39
40 if (ret != SZ_OK)
41 return 1;
42 printf("Uncompressed size: %ld = %#lX\n", (ulong)src_len,
43 (ulong)src_len);
44 env_set_hex("filesize", src_len);
45
46 return 0;
47 }
48
49 U_BOOT_CMD(
50 lzmadec, 4, 1, do_lzmadec,
51 "lzma uncompress a memory region",
52 "srcaddr dstaddr [dstsize]"
53 );
54