xref: /rk3399_rockchip-uboot/cmd/lzmadec.c (revision 2e192b245ed36a63bab0ef576999a95e23f60ecd)
1*2e192b24SSimon Glass /*
2*2e192b24SSimon Glass  * (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
3*2e192b24SSimon Glass  * lzma uncompress command in Uboot
4*2e192b24SSimon Glass  *
5*2e192b24SSimon Glass  * made from existing cmd_unzip.c file of Uboot
6*2e192b24SSimon Glass  *
7*2e192b24SSimon Glass  * (C) Copyright 2000
8*2e192b24SSimon Glass  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9*2e192b24SSimon Glass  *
10*2e192b24SSimon Glass  * SPDX-License-Identifier:	GPL-2.0+
11*2e192b24SSimon Glass  */
12*2e192b24SSimon Glass 
13*2e192b24SSimon Glass #include <common.h>
14*2e192b24SSimon Glass #include <command.h>
15*2e192b24SSimon Glass #include <mapmem.h>
16*2e192b24SSimon Glass #include <asm/io.h>
17*2e192b24SSimon Glass 
18*2e192b24SSimon Glass #include <lzma/LzmaTools.h>
19*2e192b24SSimon Glass 
20*2e192b24SSimon Glass static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
21*2e192b24SSimon Glass {
22*2e192b24SSimon Glass 	unsigned long src, dst;
23*2e192b24SSimon Glass 	unsigned long src_len = ~0UL, dst_len = ~0UL;
24*2e192b24SSimon Glass 	int ret;
25*2e192b24SSimon Glass 
26*2e192b24SSimon Glass 	switch (argc) {
27*2e192b24SSimon Glass 	case 4:
28*2e192b24SSimon Glass 		dst_len = simple_strtoul(argv[3], NULL, 16);
29*2e192b24SSimon Glass 		/* fall through */
30*2e192b24SSimon Glass 	case 3:
31*2e192b24SSimon Glass 		src = simple_strtoul(argv[1], NULL, 16);
32*2e192b24SSimon Glass 		dst = simple_strtoul(argv[2], NULL, 16);
33*2e192b24SSimon Glass 		break;
34*2e192b24SSimon Glass 	default:
35*2e192b24SSimon Glass 		return CMD_RET_USAGE;
36*2e192b24SSimon Glass 	}
37*2e192b24SSimon Glass 
38*2e192b24SSimon Glass 	ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
39*2e192b24SSimon Glass 				       map_sysmem(src, 0), dst_len);
40*2e192b24SSimon Glass 
41*2e192b24SSimon Glass 	if (ret != SZ_OK)
42*2e192b24SSimon Glass 		return 1;
43*2e192b24SSimon Glass 	printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
44*2e192b24SSimon Glass 	setenv_hex("filesize", src_len);
45*2e192b24SSimon Glass 
46*2e192b24SSimon Glass 	return 0;
47*2e192b24SSimon Glass }
48*2e192b24SSimon Glass 
49*2e192b24SSimon Glass U_BOOT_CMD(
50*2e192b24SSimon Glass 	lzmadec,    4,    1,    do_lzmadec,
51*2e192b24SSimon Glass 	"lzma uncompress a memory region",
52*2e192b24SSimon Glass 	"srcaddr dstaddr [dstsize]"
53*2e192b24SSimon Glass );
54