1 /*********************************************************************/
2 /* Copyright 2009, 2010 The University of Texas at Austin. */
3 /* All rights reserved. */
5 /* Redistribution and use in source and binary forms, with or */
6 /* without modification, are permitted provided that the following */
7 /* conditions are met: */
9 /* 1. Redistributions of source code must retain the above */
10 /* copyright notice, this list of conditions and the following */
13 /* 2. Redistributions in binary form must reproduce the above */
14 /* copyright notice, this list of conditions and the following */
15 /* disclaimer in the documentation and/or other materials */
16 /* provided with the distribution. */
18 /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
19 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
20 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
21 /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
22 /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
23 /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
24 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
25 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
26 /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
27 /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
28 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
29 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
30 /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
31 /* POSSIBILITY OF SUCH DAMAGE. */
33 /* The views and conclusions contained in the software and */
34 /* documentation are those of the authors and should not be */
35 /* interpreted as representing official policies, either expressed */
36 /* or implied, of The University of Texas at Austin. */
37 /*********************************************************************/
39 #include <sys/utsname.h>
41 #include <sys/vminfo.h>
44 #include <mach/mach.h>
45 #include <mach/mach_host.h>
46 #include <mach/host_info.h>
47 #include <mach/machine.h>
50 #define CPUTYPE_UNKNOWN 0
51 #define CPUTYPE_POWER3 1
52 #define CPUTYPE_POWER4 2
53 #define CPUTYPE_PPC970 3
54 #define CPUTYPE_POWER5 4
55 #define CPUTYPE_POWER6 5
56 #define CPUTYPE_CELL 6
57 #define CPUTYPE_PPCG4 7
58 #define CPUTYPE_POWER8 8
72 char *lowercpuname[] = {
100 char buffer[512], *p;
103 infile = fopen("/proc/cpuinfo", "r");
104 while (fgets(buffer, sizeof(buffer), infile)){
105 if (!strncmp("cpu", buffer, 3)){
106 p = strchr(buffer, ':') + 2;
108 fprintf(stderr, "%s\n", p);
116 if (!strncasecmp(p, "POWER3", 6)) return CPUTYPE_POWER3;
117 if (!strncasecmp(p, "POWER4", 6)) return CPUTYPE_POWER4;
118 if (!strncasecmp(p, "PPC970", 6)) return CPUTYPE_PPC970;
119 if (!strncasecmp(p, "POWER5", 6)) return CPUTYPE_POWER5;
120 if (!strncasecmp(p, "POWER6", 6)) return CPUTYPE_POWER6;
121 if (!strncasecmp(p, "POWER7", 6)) return CPUTYPE_POWER6;
122 if (!strncasecmp(p, "POWER8", 6)) return CPUTYPE_POWER8;
123 if (!strncasecmp(p, "Cell", 4)) return CPUTYPE_CELL;
124 if (!strncasecmp(p, "7447", 4)) return CPUTYPE_PPCG4;
126 return CPUTYPE_UNKNOWN;
130 return CPUTYPE_POWER5;
134 host_basic_info_data_t hostInfo;
135 mach_msg_type_number_t infoCount;
137 infoCount = HOST_BASIC_INFO_COUNT;
138 host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo, &infoCount);
140 if (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_7450) return CPUTYPE_PPCG4;
141 if (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970) return CPUTYPE_PPC970;
143 return CPUTYPE_PPC970;
146 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
148 id = __asm __volatile("mfpvr %0" : "=r"(id));
149 switch ( id >> 16 ) {
151 return return CPUTYPE_POWER8;
154 case 0x4b: // POWER8/8E
155 return CPUTYPE_POWER8;
158 case 0x3f: // POWER7/7E
159 return CPUTYPE_POWER6;
162 return CPUTYPE_POWER6;
165 return CPUTYPE_POWER5;
168 case 0x38: // POWER4 /4+
169 return CPUTYPE_POWER4;
172 case 0x41: // POWER3 /3+
173 return CPUTYPE_POWER3;
179 return CPUTYPE_PPC970;
185 return CPUTYPE_PPCG4;
188 return CPUTYPE_UNKNOWN;
193 void get_architecture(void){
197 void get_subdirname(void){
202 void get_subarchitecture(void){
203 printf("%s", cpuname[detect()]);
206 void get_cpuconfig(void){
213 printf("#define %s\n", cpuname[detect()]);
214 printf("#define CORE_%s\n", corename[detect()]);
216 printf("#define L1_DATA_SIZE 32768\n");
217 printf("#define L1_DATA_LINESIZE 128\n");
218 printf("#define L2_SIZE 524288\n");
219 printf("#define L2_LINESIZE 128 \n");
220 printf("#define DTB_DEFAULT_ENTRIES 128\n");
221 printf("#define DTB_SIZE 4096\n");
222 printf("#define L2_ASSOCIATIVE 8\n");
226 if (vmgetinfo(&info, VMINFO, 0) == 0) {
227 if ((info.lgpg_size >> 20) >= 1024) {
228 printf("#define ALLOC_HUGETLB\n");
236 void get_libname(void){
237 printf("%s", lowercpuname[detect()]);
240 char *get_corename(void){
241 return cpuname[detect()];