192 lines
7.0 KiB
C
192 lines
7.0 KiB
C
/*****************************************************************************
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Copyright (c) 2011, Lab of Parallel Software and Computational Science,ICSAS
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the ISCAS nor the names of its contributors may
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be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************************/
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/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#define CPU_UNKNOWN 0
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#define CPU_SICORTEX 1
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#define CPU_LOONGSON3A 2
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#define CPU_LOONGSON3B 3
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static char *cpuname[] = {
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"UNKOWN",
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"SICORTEX",
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"LOONGSON3A",
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"LOONGSON3B"
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};
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int detect(void){
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#ifdef linux
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FILE *infile;
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char buffer[512], *p;
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p = (char *)NULL;
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infile = fopen("/proc/cpuinfo", "r");
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while (fgets(buffer, sizeof(buffer), infile)){
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if (!strncmp("cpu", buffer, 3)){
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p = strchr(buffer, ':') + 2;
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#if 0
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fprintf(stderr, "%s\n", p);
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#endif
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break;
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}
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}
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fclose(infile);
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if (strstr(p, "Loongson-3A")){
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return CPU_LOONGSON3A;
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}else if(strstr(p, "Loongson-3B")){
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return CPU_LOONGSON3B;
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}else if (strstr(p, "Loongson-3")){
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infile = fopen("/proc/cpuinfo", "r");
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while (fgets(buffer, sizeof(buffer), infile)){
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if (!strncmp("system type", buffer, 11)){
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p = strchr(buffer, ':') + 2;
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break;
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}
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}
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fclose(infile);
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if (strstr(p, "loongson3a"))
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return CPU_LOONGSON3A;
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}else{
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return CPU_SICORTEX;
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}
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#endif
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return CPU_UNKNOWN;
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}
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char *get_corename(void){
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return cpuname[detect()];
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}
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void get_architecture(void){
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printf("MIPS64");
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}
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void get_subarchitecture(void){
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if(detect()==CPU_LOONGSON3A) {
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printf("LOONGSON3A");
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}else if(detect()==CPU_LOONGSON3B){
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printf("LOONGSON3B");
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}else{
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printf("SICORTEX");
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}
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}
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void get_subdirname(void){
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printf("mips64");
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}
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void get_cpuconfig(void){
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if(detect()==CPU_LOONGSON3A) {
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printf("#define LOONGSON3A\n");
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printf("#define L1_DATA_SIZE 65536\n");
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printf("#define L1_DATA_LINESIZE 32\n");
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printf("#define L2_SIZE 512488\n");
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printf("#define L2_LINESIZE 32\n");
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printf("#define DTB_DEFAULT_ENTRIES 64\n");
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printf("#define DTB_SIZE 4096\n");
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printf("#define L2_ASSOCIATIVE 4\n");
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}else if(detect()==CPU_LOONGSON3B){
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printf("#define LOONGSON3B\n");
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printf("#define L1_DATA_SIZE 65536\n");
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printf("#define L1_DATA_LINESIZE 32\n");
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printf("#define L2_SIZE 512488\n");
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printf("#define L2_LINESIZE 32\n");
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printf("#define DTB_DEFAULT_ENTRIES 64\n");
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printf("#define DTB_SIZE 4096\n");
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printf("#define L2_ASSOCIATIVE 4\n");
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}else{
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printf("#define SICORTEX\n");
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printf("#define L1_DATA_SIZE 32768\n");
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printf("#define L1_DATA_LINESIZE 32\n");
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printf("#define L2_SIZE 512488\n");
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printf("#define L2_LINESIZE 32\n");
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printf("#define DTB_DEFAULT_ENTRIES 32\n");
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printf("#define DTB_SIZE 4096\n");
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printf("#define L2_ASSOCIATIVE 8\n");
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}
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}
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void get_libname(void){
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if(detect()==CPU_LOONGSON3A) {
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printf("loongson3a\n");
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}else if(detect()==CPU_LOONGSON3B) {
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printf("loongson3b\n");
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}else{
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#ifdef __mips64
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printf("mips64\n");
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#else
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printf("mips32\n");
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#endif
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}
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}
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