1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
|
/* Handles the regrettable RISC-V 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];
char vendor_string[BUFSIZ],model_string[BUFSIZ],hardware_string[BUFSIZ];
int cpu_count=0;
float bogomips=0.0;
vendor_string[0]=model_string[0]=hardware_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) ) {
/* No Processor string? */
if ( !(strncmp(temp_string,"isa",3))) {
strncpy(model_string,parse_line(temp_string),BUFSIZ-1);
clip_lf(model_string,BUFSIZ);
}
/* No Bogomips */
/* Count cores with hart */
if ( !(strncmp(temp_string,"hart",4))) {
cpu_count++;
}
}
}
strncpy(vendor_string,"RISC-V",BUFSIZ);
strncpy_truncate(cpu_info->chip_vendor,vendor_string,SYSINFO_CHIP_VENDOR_SIZE);
strncpy_truncate(cpu_info->chip_type,model_string,SYSINFO_CHIP_TYPE_SIZE);
cpu_info->num_cpus=cpu_count;
cpu_info->megahertz=0.0;
cpu_info->bogomips=bogomips;
return 0;
}
int get_hardware(char *hardware_string) {
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 */
return 0;
}
|