G5_detector.cpp

00001 /* $Id: G5_detector.cpp 8033 2007-01-10 18:12:09Z KUDr $ */
00002 
00003 #include <mach/mach.h>
00004 #include <mach/mach_host.h>
00005 #include <mach/host_info.h>
00006 #include <mach/machine.h>
00007 #include <stdio.h>
00008 
00009 
00010 #ifndef CPU_SUBTYPE_POWERPC_970
00011 #define CPU_SUBTYPE_POWERPC_970 ((cpu_subtype_t) 100)
00012 #endif
00013 
00014 // this function is a lightly modified version of some code from Apple's developer homepage to detect G5 CPUs at runtime
00015 main()
00016 {
00017   host_basic_info_data_t hostInfo;
00018   mach_msg_type_number_t infoCount;
00019   boolean_t is_G5;
00020 
00021   infoCount = HOST_BASIC_INFO_COUNT;
00022   host_info(mach_host_self(), HOST_BASIC_INFO,
00023         (host_info_t)&hostInfo, &infoCount);
00024 
00025    is_G5 = ((hostInfo.cpu_type == CPU_TYPE_POWERPC) &&
00026       (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970));
00027    if (is_G5)
00028      printf("1");
00029 }

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