[thirdparty/u-boot.git] / cmd / unlz4.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(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 = 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"
);
Commit	Line	Data
a1732232 YA	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 <lz4.h>
	11
09140113 SG	12	static int do_unlz4(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	13	char *const argv[])
a1732232 YA	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 = simple_strtoul(argv[1], NULL, 16);
	22	dst = simple_strtoul(argv[2], NULL, 16);
	23	dst_len = simple_strtoul(argv[3], NULL, 16);
	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
	41	U_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	);