1272343Sngie/* $NetBSD: isqemu.h,v 1.3 2013/04/14 12:46:29 martin Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2013 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Christos Zoulas. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 3. Neither the name of The NetBSD Foundation nor the names of its 19272343Sngie * contributors may be used to endorse or promote products derived 20272343Sngie * from this software without specific prior written permission. 21272343Sngie * 22272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32272343Sngie * POSSIBILITY OF SUCH DAMAGE. 33272343Sngie */ 34272343Sngie#include <sys/param.h> 35272343Sngie#include <sys/sysctl.h> 36272343Sngie#include <stdbool.h> 37272343Sngie#include <string.h> 38272343Sngie#include <errno.h> 39272343Sngie#include <err.h> 40272343Sngie 41272343Sngiestatic __inline bool 42272343SngieisQEMU(void) { 43272343Sngie#if defined(__i386__) || defined(__x86_64__) 44272343Sngie char name[1024]; 45272343Sngie size_t len = sizeof(name); 46272343Sngie 47272343Sngie if (sysctlbyname("machdep.cpu_brand", name, &len, NULL, 0) == -1) { 48272343Sngie if (errno == ENOENT) 49272343Sngie return false; 50272343Sngie err(EXIT_FAILURE, "sysctl"); 51272343Sngie } 52272343Sngie return strstr(name, "QEMU") != NULL; 53272343Sngie#else 54272343Sngie return false; 55272343Sngie#endif 56272343Sngie} 57272343Sngie 58272343Sngie#ifdef TEST 59272343Sngieint 60272343Sngiemain(void) { 61272343Sngie return isQEMU(); 62272343Sngie} 63272343Sngie#endif 64