G5_detector.cpp

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00001 /* $Id: G5_detector.cpp 17248 2009-08-21 20:21:05Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include <mach/mach.h>
00013 #include <mach/mach_host.h>
00014 #include <mach/host_info.h>
00015 #include <mach/machine.h>
00016 #include <stdio.h>
00017 
00018 
00019 #ifndef CPU_SUBTYPE_POWERPC_970
00020 #define CPU_SUBTYPE_POWERPC_970 ((cpu_subtype_t) 100)
00021 #endif
00022 
00023 /* this function is a lightly modified version of some code from Apple's developer homepage to detect G5 CPUs at runtime */
00024 main()
00025 {
00026   host_basic_info_data_t hostInfo;
00027   mach_msg_type_number_t infoCount;
00028   boolean_t is_G5;
00029 
00030   infoCount = HOST_BASIC_INFO_COUNT;
00031   host_info(mach_host_self(), HOST_BASIC_INFO,
00032         (host_info_t)&hostInfo, &infoCount);
00033 
00034    is_G5 = ((hostInfo.cpu_type == CPU_TYPE_POWERPC) &&
00035       (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970));
00036    if (is_G5)
00037      printf("1");
00038 }

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