1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (C) 2020 4 * FUJITSU COMPUTERTECHNOLOGIES LIMITED. All rights reserved. 5 */ 6 7#include <common.h> 8#include <command.h> 9#include <env.h> 10#include <u-boot/lz4.h> 11 12static int do_unlz4(struct cmd_tbl *cmdtp, int flag, int argc, 13 char *const argv[]) 14{ 15 unsigned long src, dst; 16 size_t src_len = ~0UL, dst_len = ~0UL; 17 int ret; 18 19 switch (argc) { 20 case 4: 21 src = hextoul(argv[1], NULL); 22 dst = hextoul(argv[2], NULL); 23 dst_len = hextoul(argv[3], NULL); 24 break; 25 default: 26 return CMD_RET_USAGE; 27 } 28 29 ret = ulz4fn((void *)src, src_len, (void *)dst, &dst_len); 30 if (ret) { 31 printf("Uncompressed err :%d\n", ret); 32 return 1; 33 } 34 35 printf("Uncompressed size: %zd = 0x%zX\n", dst_len, dst_len); 36 env_set_hex("filesize", dst_len); 37 38 return 0; 39} 40 41U_BOOT_CMD(unlz4, 4, 1, do_unlz4, 42 "lz4 uncompress a memory region", 43 "srcaddr dstaddr dstsize\n" 44 "NOTE: Specify the destination size that is sufficiently larger\n" 45 " than the source size.\n" 46); 47