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 <env.h>
15#include <mapmem.h>
16#include <asm/io.h>
17
18#include <lzma/LzmaTools.h>
19
20static int do_lzmadec(struct cmd_tbl *cmdtp, int flag, int argc,
21		      char *const argv[])
22{
23	unsigned long src, dst;
24	SizeT src_len = ~0UL, dst_len = ~0UL;
25	int ret;
26
27	switch (argc) {
28	case 4:
29		dst_len = hextoul(argv[3], NULL);
30		/* fall through */
31	case 3:
32		src = hextoul(argv[1], NULL);
33		dst = hextoul(argv[2], NULL);
34		break;
35	default:
36		return CMD_RET_USAGE;
37	}
38
39	ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
40				       map_sysmem(src, 0), dst_len);
41
42	if (ret != SZ_OK)
43		return 1;
44	printf("Uncompressed size: %ld = %#lX\n", (ulong)src_len,
45	       (ulong)src_len);
46	env_set_hex("filesize", src_len);
47
48	return 0;
49}
50
51U_BOOT_CMD(
52	lzmadec,    4,    1,    do_lzmadec,
53	"lzma uncompress a memory region",
54	"srcaddr dstaddr [dstsize]"
55);
56