isqemu.h revision 1.3.2.2 1 1.3.2.2 tls /* $NetBSD: isqemu.h,v 1.3.2.2 2013/06/23 06:28:56 tls Exp $ */
2 1.3.2.2 tls
3 1.3.2.2 tls /*-
4 1.3.2.2 tls * Copyright (c) 2013 The NetBSD Foundation, Inc.
5 1.3.2.2 tls * All rights reserved.
6 1.3.2.2 tls *
7 1.3.2.2 tls * This code is derived from software contributed to The NetBSD Foundation
8 1.3.2.2 tls * by Christos Zoulas.
9 1.3.2.2 tls *
10 1.3.2.2 tls * Redistribution and use in source and binary forms, with or without
11 1.3.2.2 tls * modification, are permitted provided that the following conditions
12 1.3.2.2 tls * are met:
13 1.3.2.2 tls * 1. Redistributions of source code must retain the above copyright
14 1.3.2.2 tls * notice, this list of conditions and the following disclaimer.
15 1.3.2.2 tls * 2. Redistributions in binary form must reproduce the above copyright
16 1.3.2.2 tls * notice, this list of conditions and the following disclaimer in the
17 1.3.2.2 tls * documentation and/or other materials provided with the distribution.
18 1.3.2.2 tls * 3. Neither the name of The NetBSD Foundation nor the names of its
19 1.3.2.2 tls * contributors may be used to endorse or promote products derived
20 1.3.2.2 tls * from this software without specific prior written permission.
21 1.3.2.2 tls *
22 1.3.2.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 1.3.2.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 1.3.2.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 1.3.2.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 1.3.2.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 1.3.2.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 1.3.2.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 1.3.2.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 1.3.2.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 1.3.2.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 1.3.2.2 tls * POSSIBILITY OF SUCH DAMAGE.
33 1.3.2.2 tls */
34 1.3.2.2 tls #include <sys/param.h>
35 1.3.2.2 tls #include <sys/sysctl.h>
36 1.3.2.2 tls #include <stdbool.h>
37 1.3.2.2 tls #include <string.h>
38 1.3.2.2 tls #include <errno.h>
39 1.3.2.2 tls #include <err.h>
40 1.3.2.2 tls
41 1.3.2.2 tls static __inline bool
42 1.3.2.2 tls isQEMU(void) {
43 1.3.2.2 tls #if defined(__i386__) || defined(__x86_64__)
44 1.3.2.2 tls char name[1024];
45 1.3.2.2 tls size_t len = sizeof(name);
46 1.3.2.2 tls
47 1.3.2.2 tls if (sysctlbyname("machdep.cpu_brand", name, &len, NULL, 0) == -1) {
48 1.3.2.2 tls if (errno == ENOENT)
49 1.3.2.2 tls return false;
50 1.3.2.2 tls err(EXIT_FAILURE, "sysctl");
51 1.3.2.2 tls }
52 1.3.2.2 tls return strstr(name, "QEMU") != NULL;
53 1.3.2.2 tls #else
54 1.3.2.2 tls return false;
55 1.3.2.2 tls #endif
56 1.3.2.2 tls }
57 1.3.2.2 tls
58 1.3.2.2 tls #ifdef TEST
59 1.3.2.2 tls int
60 1.3.2.2 tls main(void) {
61 1.3.2.2 tls return isQEMU();
62 1.3.2.2 tls }
63 1.3.2.2 tls #endif
64