1*11be35a1SLionel Sambuc /* $NetBSD: isqemu.h,v 1.3 2013/04/14 12:46:29 martin Exp $ */ 2*11be35a1SLionel Sambuc 3*11be35a1SLionel Sambuc /*- 4*11be35a1SLionel Sambuc * Copyright (c) 2013 The NetBSD Foundation, Inc. 5*11be35a1SLionel Sambuc * All rights reserved. 6*11be35a1SLionel Sambuc * 7*11be35a1SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation 8*11be35a1SLionel Sambuc * by Christos Zoulas. 9*11be35a1SLionel Sambuc * 10*11be35a1SLionel Sambuc * Redistribution and use in source and binary forms, with or without 11*11be35a1SLionel Sambuc * modification, are permitted provided that the following conditions 12*11be35a1SLionel Sambuc * are met: 13*11be35a1SLionel Sambuc * 1. Redistributions of source code must retain the above copyright 14*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer. 15*11be35a1SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 16*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer in the 17*11be35a1SLionel Sambuc * documentation and/or other materials provided with the distribution. 18*11be35a1SLionel Sambuc * 3. Neither the name of The NetBSD Foundation nor the names of its 19*11be35a1SLionel Sambuc * contributors may be used to endorse or promote products derived 20*11be35a1SLionel Sambuc * from this software without specific prior written permission. 21*11be35a1SLionel Sambuc * 22*11be35a1SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23*11be35a1SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24*11be35a1SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25*11be35a1SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26*11be35a1SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27*11be35a1SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28*11be35a1SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29*11be35a1SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30*11be35a1SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31*11be35a1SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32*11be35a1SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE. 33*11be35a1SLionel Sambuc */ 34*11be35a1SLionel Sambuc #include <sys/param.h> 35*11be35a1SLionel Sambuc #include <sys/sysctl.h> 36*11be35a1SLionel Sambuc #include <stdbool.h> 37*11be35a1SLionel Sambuc #include <string.h> 38*11be35a1SLionel Sambuc #include <errno.h> 39*11be35a1SLionel Sambuc #include <err.h> 40*11be35a1SLionel Sambuc 41*11be35a1SLionel Sambuc static __inline bool 42*11be35a1SLionel Sambuc isQEMU(void) { 43*11be35a1SLionel Sambuc #if defined(__i386__) || defined(__x86_64__) 44*11be35a1SLionel Sambuc char name[1024]; 45*11be35a1SLionel Sambuc size_t len = sizeof(name); 46*11be35a1SLionel Sambuc 47*11be35a1SLionel Sambuc if (sysctlbyname("machdep.cpu_brand", name, &len, NULL, 0) == -1) { 48*11be35a1SLionel Sambuc if (errno == ENOENT) 49*11be35a1SLionel Sambuc return false; 50*11be35a1SLionel Sambuc err(EXIT_FAILURE, "sysctl"); 51*11be35a1SLionel Sambuc } 52*11be35a1SLionel Sambuc return strstr(name, "QEMU") != NULL; 53*11be35a1SLionel Sambuc #else 54*11be35a1SLionel Sambuc return false; 55*11be35a1SLionel Sambuc #endif 56*11be35a1SLionel Sambuc } 57*11be35a1SLionel Sambuc 58*11be35a1SLionel Sambuc #ifdef TEST 59*11be35a1SLionel Sambuc int 60*11be35a1SLionel Sambuc main(void) { 61*11be35a1SLionel Sambuc return isQEMU(); 62*11be35a1SLionel Sambuc } 63*11be35a1SLionel Sambuc #endif 64