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/* Re-written from scratch 3 March 2001 */
/* Handles ppc chips on Linux architecture */
/* by Vince Weaver <vince@deater.net> */
#include <stdio.h>
#include <string.h>
#include <stdlib.h> /* atof */
#include "../sysinfo.h"
#include "../include/generic.h"
int get_cpu_info(struct cpu_info_type *cpu_info) {
FILE *fff;
char temp_string[BUFSIZ],temp[BUFSIZ];
char vendor_string[BUFSIZ],model_string[BUFSIZ];
int cpu_count=0,processor_count=0,bogomips_count=0;
float megahertz=0.0,bogomips=0.0;
vendor_string[0]=model_string[0]=0;
/* We get all of our info here from /proc/cpuinfo */
if ((fff=fopen(get_cpuinfo_file(),"r") )!=NULL) {
while ( (fgets(temp_string,BUFSIZ,fff)!=NULL) ) {
if ( !(strncmp(temp_string,"cpu",3))) {
strncpy(model_string,parse_line(temp_string),BUFSIZ);
clip_lf(model_string,BUFSIZ);
}
if (!(strncmp(temp_string,"clock",5))) {
megahertz=atof(parse_line(temp_string));
}
if ( !(strncmp(temp_string,"processor",9))) {
processor_count++;
}
/* Ugh why must people play with capitalization */
if ( !(strncmp(temp_string,"bogomips",8)) ||
!(strncmp(temp_string,"BogoMips",8)) ||
!(strncmp(temp_string,"BogoMIPS",8))) {
/* old way of determining processor count? */
bogomips+=atof(parse_line(temp_string));
bogomips_count++;
}
}
}
/* on cell (and most modern cpus) , there is no bogomips count! */
if (bogomips_count==0) {
cpu_count=processor_count;
}
else {
cpu_count=bogomips_count;
}
strncpy(cpu_info->chip_vendor,"PPC",4);
strncpy(cpu_info->chip_type,model_string,SYSINFO_CHIP_TYPE_SIZE);
if (strstr(model_string,"POWER3")!=NULL) {
strncpy(cpu_info->chip_type,"POWER3",7);
}
if (strstr(model_string,"POWER4")!=NULL) {
strncpy(cpu_info->chip_type,"POWER4",7);
}
if (strstr(model_string,"POWER5")!=NULL) {
strncpy(cpu_info->chip_type,"POWER5",7);
}
if (strstr(model_string,"POWER6")!=NULL) {
strncpy(cpu_info->chip_type,"POWER6",7);
}
if (strstr(model_string,"POWER7")!=NULL) {
strncpy(cpu_info->chip_type,"POWER7",7);
}
if (strstr(model_string,"POWER8")!=NULL) {
strncpy(cpu_info->chip_type,"POWER8",7);
}
if (strstr(model_string,"POWER9")!=NULL) {
strncpy(cpu_info->chip_type,"POWER9",7);
}
/* I Have an iBook now ;) */
if (strstr(model_string,"745/755")!=NULL) {
strncpy(cpu_info->chip_type,"G3",3);
}
/* But that's not the only iBook around! ;) */
if (strstr(model_string,"750CX")!=NULL) {
strncpy(cpu_info->chip_type,"G3",3);
}
if (strstr(model_string,"750FX")!=NULL) {
strncpy(cpu_info->chip_type,"G3",3);
}
if (strstr(model_string,"7400")!=NULL) {
strncpy(cpu_info->chip_type,"7400",5);
}
/* There should be a way to figure out */
/* G4/G3 more efficiently than this */
if (strstr(model_string,"7410,")!=NULL) {
strncpy(cpu_info->chip_type,"G4",3);
}
if (strstr(model_string,"7455")!=NULL) {
strncpy(cpu_info->chip_type,"G4",3);
}
/* I have a powerbook now too ;) */
if (strstr(model_string,"7457")!=NULL) {
strncpy(cpu_info->chip_type,"G4",3);
}
if (strstr(model_string,"Cell")!=NULL) {
strncpy(cpu_info->chip_type,"Cell",5);
}
if (!strncmp(model_string,"PowerPC",7)) {
sscanf(model_string,"%*s %s",temp);
strncpy(cpu_info->chip_type,temp,SYSINFO_CHIP_TYPE_SIZE);
}
cpu_info->num_cpus=cpu_count;
cpu_info->megahertz=megahertz;
cpu_info->bogomips=bogomips;
return 0;
}
int get_hardware(char *hardware_string) {
char temp_string[BUFSIZ];
FILE *fff;
if ((fff=fopen(get_cpuinfo_file(),"r") )!=NULL) {
while ( (fgets(temp_string,BUFSIZ,fff)!=NULL) ) {
if (!(strncmp(temp_string,"machine",7))) {
strncpy(hardware_string,parse_line(temp_string),
SYSINFO_HARDWARE_STRING_SIZE);
}
}
}
return 1;
}
/* Some architectures might have better ways of detecting RAM size */
long long get_arch_specific_mem_size(void) {
/* We have no special way of detecting RAM */
/* sysinfo is the only way that works on cell? */
/* can we detect that somehow and force it? */
/* For mac the meminfo way is definitely better */
return MEM_USE_MEMINFO;
}
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