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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020
* FUJITSU COMPUTERTECHNOLOGIES LIMITED. All rights reserved.
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <u-boot/lz4.h>
static int do_unlz4(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
unsigned long src, dst;
size_t src_len = ~0UL, dst_len = ~0UL;
int ret;
switch (argc) {
case 4:
src = hextoul(argv[1], NULL);
dst = hextoul(argv[2], NULL);
dst_len = hextoul(argv[3], NULL);
break;
default:
return CMD_RET_USAGE;
}
ret = ulz4fn((void *)src, src_len, (void *)dst, &dst_len);
if (ret) {
printf("Uncompressed err :%d\n", ret);
return 1;
}
printf("Uncompressed size: %zd = 0x%zX\n", dst_len, dst_len);
env_set_hex("filesize", dst_len);
return 0;
}
U_BOOT_CMD(unlz4, 4, 1, do_unlz4,
"lz4 uncompress a memory region",
"srcaddr dstaddr dstsize\n"
"NOTE: Specify the destination size that is sufficiently larger\n"
" than the source size.\n"
);
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