u-boot/cmd/lzmadec.c

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/*
* (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
* lzma uncompress command in Uboot
*
* made from existing cmd_unzip.c file of Uboot
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <mapmem.h>
#include <asm/io.h>
#include <lzma/LzmaTools.h>
static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
unsigned long src, dst;
unsigned long src_len = ~0UL, dst_len = ~0UL;
int ret;
switch (argc) {
case 4:
dst_len = simple_strtoul(argv[3], NULL, 16);
/* fall through */
case 3:
src = simple_strtoul(argv[1], NULL, 16);
dst = simple_strtoul(argv[2], NULL, 16);
break;
default:
return CMD_RET_USAGE;
}
ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
map_sysmem(src, 0), dst_len);
if (ret != SZ_OK)
return 1;
printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
setenv_hex("filesize", src_len);
return 0;
}
U_BOOT_CMD(
lzmadec, 4, 1, do_lzmadec,
"lzma uncompress a memory region",
"srcaddr dstaddr [dstsize]"
);