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
37 void
myx_build_firmware(u_int8_t * fw,size_t len,size_t ulen,const char * file)38 myx_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
89 int
main(int argc,char * argv[])90 main(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