1/*	$OpenBSD: build.c,v 1.5 2017/08/27 08:15:48 otto Exp $	*/
2
3/*
4 * Copyright (c) 2007 Reyk Floeter <reyk@openbsd.org>
5 * Copyright (c) 2004 Theo de Raadt <deraadt@openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#include <sys/types.h>
21
22#include <dev/pci/if_myxreg.h>
23
24#include <fcntl.h>
25#include <stdlib.h>
26#include <err.h>
27#include <unistd.h>
28#include <string.h>
29#include <stdio.h>
30#include <zlib.h>
31
32#include "eth_z8e.h"
33#include "ethp_z8e.h"
34
35#define CHUNK 8192
36
37void
38myx_build_firmware(u_int8_t *fw, size_t len, size_t ulen, const char *file)
39{
40	z_stream zs;
41
42	FILE *f;
43	size_t rlen, total = 0;
44	u_int8_t *ufw;
45	int rv;
46
47	f = fopen(file, "w");
48	if (f == NULL)
49		err(1, "%s", file);
50
51	ufw = malloc(ulen);
52	if (ufw == NULL)
53		err(1, "ufw malloc");
54
55	bzero(&zs, sizeof (zs));
56	rv = inflateInit(&zs);
57	if (rv != Z_OK)
58		errx(1, "uncompress init failure");
59
60	zs.avail_in = len;
61	zs.next_in = fw;
62	zs.avail_out = ulen;
63	zs.next_out = ufw;
64	rv = inflate(&zs, Z_FINISH);
65        if (rv != Z_STREAM_END)
66		errx(1, "zlib %d", rv);
67
68	inflateEnd(&zs);
69
70	do {
71		rlen = ulen - total;
72		if (rlen > CHUNK)
73			rlen = CHUNK;
74
75		if (fwrite(&ufw[total], rlen, 1, f) < 1) {
76			if (!ferror(f))
77				errx(1, "unexpected short write");
78			err(1, "%s", file);
79		}
80
81		total += rlen;
82	} while (total < ulen);
83
84	printf("%s: len %zu -> %zu\n", file, len, ulen);
85	free(ufw);
86	fclose(f);
87}
88
89int
90main(int argc, char *argv[])
91{
92	myx_build_firmware(eth_z8e, eth_z8e_length,
93	    eth_z8e_uncompressed_length, MYXFW_ALIGNED);
94	myx_build_firmware(ethp_z8e, ethp_z8e_length,
95	    ethp_z8e_uncompressed_length, MYXFW_UNALIGNED);
96	return (0);
97}
98