1 /**************************************************************************
2 Copyright (c) 2013, The OpenBLAS Project
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions are
7 1. Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 2. Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in
11 the documentation and/or other materials provided with the
13 3. Neither the name of the OpenBLAS project nor the names of
14 its contributors may be used to endorse or promote products
15 derived from this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
25 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *****************************************************************************/
33 static char *cpuname[] = {
39 int get_feature(char *search)
44 char buffer[2048], *p,*t;
47 infile = fopen("/proc/cpuinfo", "r");
49 while (fgets(buffer, sizeof(buffer), infile))
52 if (!strncmp("Features", buffer, 8))
54 p = strchr(buffer, ':') + 2;
62 if( p == NULL ) return;
65 while( t = strtok(NULL," "))
67 if (!strcmp(t, search)) { return(1); }
84 infile = fopen("/proc/cpuinfo", "r");
86 while (fgets(buffer, sizeof(buffer), infile))
89 if ((!strncmp("model name", buffer, 10)) || (!strncmp("Processor", buffer, 9)))
91 p = strchr(buffer, ':') + 2;
101 if (strstr(p, "AArch64"))
114 char *get_corename(void)
116 return cpuname[detect()];
119 void get_architecture(void)
124 void get_subarchitecture(void)
140 void get_subdirname(void)
145 void get_cpuconfig(void)
153 printf("#define ARMV8\n");
154 printf("#define L1_DATA_SIZE 32768\n");
155 printf("#define L1_DATA_LINESIZE 64\n");
156 printf("#define L2_SIZE 262144\n");
157 printf("#define L2_LINESIZE 64\n");
158 printf("#define DTB_DEFAULT_ENTRIES 64\n");
159 printf("#define DTB_SIZE 4096\n");
160 printf("#define L2_ASSOCIATIVE 4\n");
168 void get_libname(void)
183 void get_features(void)
188 char buffer[2048], *p,*t;
191 infile = fopen("/proc/cpuinfo", "r");
193 while (fgets(buffer, sizeof(buffer), infile))
196 if (!strncmp("Features", buffer, 8))
198 p = strchr(buffer, ':') + 2;
206 if( p == NULL ) return;
209 while( t = strtok(NULL," "))