G5_detector.cpp

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00001 /* $Id: G5_detector.cpp 12971 2008-05-06 15:11:33Z rubidium $ */
00002 
00005 #include <mach/mach.h>
00006 #include <mach/mach_host.h>
00007 #include <mach/host_info.h>
00008 #include <mach/machine.h>
00009 #include <stdio.h>
00010 
00011 
00012 #ifndef CPU_SUBTYPE_POWERPC_970
00013 #define CPU_SUBTYPE_POWERPC_970 ((cpu_subtype_t) 100)
00014 #endif
00015 
00016 // this function is a lightly modified version of some code from Apple's developer homepage to detect G5 CPUs at runtime
00017 main()
00018 {
00019   host_basic_info_data_t hostInfo;
00020   mach_msg_type_number_t infoCount;
00021   boolean_t is_G5;
00022 
00023   infoCount = HOST_BASIC_INFO_COUNT;
00024   host_info(mach_host_self(), HOST_BASIC_INFO,
00025         (host_info_t)&hostInfo, &infoCount);
00026 
00027    is_G5 = ((hostInfo.cpu_type == CPU_TYPE_POWERPC) &&
00028       (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970));
00029    if (is_G5)
00030      printf("1");
00031 }

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