1 /* $Id$ */

     2 

     3 #include <mach/mach.h>

     4 #include <mach/mach_host.h>

     5 #include <mach/host_info.h>

     6 #include <mach/machine.h>

     7 #include <stdio.h>

     8 

     9 

    10 #ifndef CPU_SUBTYPE_POWERPC_970

    11 #define CPU_SUBTYPE_POWERPC_970 ((cpu_subtype_t) 100)

    12 #endif

    13 

    14 // this function is a lightly modified version of some code from Apple's developer homepage to detect G5 CPUs at runtime

    15 main()

    16 {

    17 	host_basic_info_data_t hostInfo;

    18 	mach_msg_type_number_t infoCount;

    19 	boolean_t is_G5;

    20 

    21 	infoCount = HOST_BASIC_INFO_COUNT;

    22 	host_info(mach_host_self(), HOST_BASIC_INFO,

    23 			  (host_info_t)&hostInfo, &infoCount);

    24 

    25 	 is_G5 = ((hostInfo.cpu_type == CPU_TYPE_POWERPC) &&

    26 			(hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970));

    27 	 if (is_G5)

    28 		 printf("1");

    29 }