1 /*****************************************************************************
2 Copyright (c) 2011-2014, The OpenBLAS Project
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are
9 1. Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in
14 the documentation and/or other materials provided with the
16 3. Neither the name of the OpenBLAS project nor the names of
17 its contributors may be used to endorse or promote products
18 derived from this software without specific prior written
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 **********************************************************************************/
35 /*********************************************************************/
36 /* Copyright 2009, 2010 The University of Texas at Austin. */
37 /* All rights reserved. */
39 /* Redistribution and use in source and binary forms, with or */
40 /* without modification, are permitted provided that the following */
41 /* conditions are met: */
43 /* 1. Redistributions of source code must retain the above */
44 /* copyright notice, this list of conditions and the following */
47 /* 2. Redistributions in binary form must reproduce the above */
48 /* copyright notice, this list of conditions and the following */
49 /* disclaimer in the documentation and/or other materials */
50 /* provided with the distribution. */
52 /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
53 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
54 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
55 /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
56 /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
57 /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
58 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
59 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
60 /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
61 /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
62 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
63 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
64 /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
65 /* POSSIBILITY OF SUCH DAMAGE. */
67 /* The views and conclusions contained in the software and */
68 /* documentation are those of the authors and should not be */
69 /* interpreted as representing official policies, either expressed */
70 /* or implied, of The University of Texas at Austin. */
71 /*********************************************************************/
76 static char *cpuname[] = {
88 infile = fopen("/proc/cpuinfo", "r");
89 while (fgets(buffer, sizeof(buffer), infile)){
90 if (!strncmp("cpu", buffer, 3)){
91 p = strchr(buffer, ':') + 2;
93 fprintf(stderr, "%s\n", p);
102 if (strstr(p, "Loongson-3A")){
103 return CPU_LOONGSON3A;
104 }else if(strstr(p, "Loongson-3B")){
105 return CPU_LOONGSON3B;
106 }else if (strstr(p, "Loongson-3")){
107 infile = fopen("/proc/cpuinfo", "r");
109 while (fgets(buffer, sizeof(buffer), infile)){
110 if (!strncmp("system type", buffer, 11)){
111 p = strchr(buffer, ':') + 2;
116 if (strstr(p, "loongson3a"))
117 return CPU_LOONGSON3A;
122 //Check model name for Loongson3
123 infile = fopen("/proc/cpuinfo", "r");
125 while (fgets(buffer, sizeof(buffer), infile)){
126 if (!strncmp("model name", buffer, 10)){
127 p = strchr(buffer, ':') + 2;
133 if (strstr(p, "Loongson-3A")){
134 return CPU_LOONGSON3A;
135 }else if(strstr(p, "Loongson-3B")){
136 return CPU_LOONGSON3B;
143 char *get_corename(void){
144 return cpuname[detect()];
147 void get_architecture(void){
151 void get_subarchitecture(void){
152 if(detect()==CPU_P5600){
159 void get_subdirname(void){
163 void get_cpuconfig(void){
164 if(detect()==CPU_P5600){
165 printf("#define P5600\n");
166 printf("#define L1_DATA_SIZE 65536\n");
167 printf("#define L1_DATA_LINESIZE 32\n");
168 printf("#define L2_SIZE 1048576\n");
169 printf("#define L2_LINESIZE 32\n");
170 printf("#define DTB_DEFAULT_ENTRIES 64\n");
171 printf("#define DTB_SIZE 4096\n");
172 printf("#define L2_ASSOCIATIVE 8\n");
174 printf("#define UNKNOWN\n");
178 void get_libname(void){
179 if(detect()==CPU_P5600) {