1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2012
4 * Lei Wen <leiwen@marvell.com>, Marvell Inc.
5 */
6
7#include <common.h>
8#include <command.h>
9#include <env.h>
10#include <gzip.h>
11
12static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
13{
14	unsigned long src, dst;
15	unsigned long src_len, dst_len = ~0UL;
16
17	switch (argc) {
18		case 5:
19			dst_len = hextoul(argv[4], NULL);
20			/* fall through */
21		case 4:
22			src = hextoul(argv[1], NULL);
23			src_len = hextoul(argv[2], NULL);
24			dst = hextoul(argv[3], NULL);
25			break;
26		default:
27			return cmd_usage(cmdtp);
28	}
29
30	if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
31		return 1;
32
33	printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
34	env_set_hex("filesize", dst_len);
35
36	return 0;
37}
38
39U_BOOT_CMD(
40	zip,	5,	1,	do_zip,
41	"zip a memory region",
42	"srcaddr srcsize dstaddr [dstsize]"
43);
44