mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 23:51:33 +00:00
a17322329b
This command is a new command called "unlz4" that decompresses from memory into memory. Used with the CONFIG_CMD_UNLZ4 optionenabled. Signed-off-by: Yusuke Ashiduka <ashiduka@fujitsu.com> [trini: Use %zd / %zX not %ld / %lX in printf] Signed-off-by: Tom Rini <trini@konsulko.com>
45 lines
1,019 B
C
45 lines
1,019 B
C
// 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 <lz4.h>
|
|
|
|
static int do_unlz4(cmd_tbl_t *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 = simple_strtoul(argv[1], NULL, 16);
|
|
dst = simple_strtoul(argv[2], NULL, 16);
|
|
dst_len = simple_strtoul(argv[3], NULL, 16);
|
|
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"
|
|
);
|