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/systemcfg.h>
42 #include <sys/vminfo.h>
45 #include <mach/mach.h>
46 #include <mach/mach_host.h>
47 #include <mach/host_info.h>
48 #include <mach/machine.h>
51 #define CPUTYPE_UNKNOWN 0
52 #define CPUTYPE_POWER3 1
53 #define CPUTYPE_POWER4 2
54 #define CPUTYPE_PPC970 3
55 #define CPUTYPE_POWER5 4
56 #define CPUTYPE_POWER6 5
57 #define CPUTYPE_CELL 6
58 #define CPUTYPE_PPCG4 7
59 #define CPUTYPE_POWER8 8
60 #define CPUTYPE_POWER9 9
61 #define CPUTYPE_POWER10 10
77 char *lowercpuname[] = {
109 char buffer[512], *p;
112 infile = fopen("/proc/cpuinfo", "r");
113 while (fgets(buffer, sizeof(buffer), infile)){
114 if (!strncmp("cpu", buffer, 3)){
115 p = strchr(buffer, ':') + 2;
117 fprintf(stderr, "%s\n", p);
125 if (!strncasecmp(p, "POWER3", 6)) return CPUTYPE_POWER3;
126 if (!strncasecmp(p, "POWER4", 6)) return CPUTYPE_POWER4;
127 if (!strncasecmp(p, "PPC970", 6)) return CPUTYPE_PPC970;
128 if (!strncasecmp(p, "POWER5", 6)) return CPUTYPE_POWER5;
129 if (!strncasecmp(p, "POWER6", 6)) return CPUTYPE_POWER6;
130 if (!strncasecmp(p, "POWER7", 6)) return CPUTYPE_POWER6;
131 if (!strncasecmp(p, "POWER8", 6)) return CPUTYPE_POWER8;
132 if (!strncasecmp(p, "POWER9", 6)) return CPUTYPE_POWER9;
133 if (!strncasecmp(p, "POWER10", 7)) return CPUTYPE_POWER10;
134 if (!strncasecmp(p, "Cell", 4)) return CPUTYPE_CELL;
135 if (!strncasecmp(p, "7447", 4)) return CPUTYPE_PPCG4;
137 return CPUTYPE_UNKNOWN;
141 // Cast from int to unsigned to ensure comparisons work for all bits in
142 // the bit mask, even the top bit
143 unsigned implementation = (unsigned) _system_configuration.implementation;
145 if (implementation >= 0x40000u) return CPUTYPE_POWER10;
146 else if (implementation & 0x20000) return CPUTYPE_POWER9;
147 else if (implementation & 0x10000) return CPUTYPE_POWER8;
148 else if (implementation & 0x08000) return CPUTYPE_POWER6; // POWER 7
149 else if (implementation & 0x04000) return CPUTYPE_POWER6;
150 else if (implementation & 0x02000) return CPUTYPE_POWER5;
151 else if (implementation & 0x01000) return CPUTYPE_POWER4; // MPC7450
152 else if (implementation & 0x00800) return CPUTYPE_POWER4;
153 else return CPUTYPE_POWER3;
157 host_basic_info_data_t hostInfo;
158 mach_msg_type_number_t infoCount;
160 infoCount = HOST_BASIC_INFO_COUNT;
161 host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo, &infoCount);
163 if (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_7450) return CPUTYPE_PPCG4;
164 if (hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970) return CPUTYPE_PPC970;
166 return CPUTYPE_PPC970;
169 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
171 __asm __volatile("mfpvr %0" : "=r"(id));
172 switch ( id >> 16 ) {
173 case 0x80: // POWER10
174 return CPUTYPE_POWER10;
177 return CPUTYPE_POWER9;
180 case 0x4b: // POWER8/8E
181 return CPUTYPE_POWER8;
184 case 0x3f: // POWER7/7E
185 return CPUTYPE_POWER6;
188 return CPUTYPE_POWER6;
191 return CPUTYPE_POWER5;
194 case 0x38: // POWER4 /4+
195 return CPUTYPE_POWER4;
198 case 0x41: // POWER3 /3+
199 return CPUTYPE_POWER3;
205 return CPUTYPE_PPC970;
211 return CPUTYPE_PPCG4;
214 return CPUTYPE_UNKNOWN;
218 return CPUTYPE_UNKNOWN;
221 void get_architecture(void){
225 void get_subdirname(void){
230 void get_subarchitecture(void){
231 printf("%s", cpuname[detect()]);
234 void get_cpuconfig(void){
241 printf("#define %s\n", cpuname[detect()]);
242 printf("#define CORE_%s\n", corename[detect()]);
244 printf("#define L1_DATA_SIZE 32768\n");
245 printf("#define L1_DATA_LINESIZE 128\n");
246 printf("#define L2_SIZE 524288\n");
247 printf("#define L2_LINESIZE 128 \n");
248 printf("#define DTB_DEFAULT_ENTRIES 128\n");
249 printf("#define DTB_SIZE 4096\n");
250 printf("#define L2_ASSOCIATIVE 8\n");
254 if (vmgetinfo(&info, VMINFO, 0) == 0) {
255 if ((info.lgpg_size >> 20) >= 1024) {
256 printf("#define ALLOC_HUGETLB\n");
264 void get_libname(void){
265 printf("%s", lowercpuname[detect()]);
268 char *get_corename(void){
269 return cpuname[detect()];