[v0.98][ARM] Add simple topology detection using sysctlbyname in macOS

This commit is contained in:
Dr-Noob
2021-08-02 12:31:19 +01:00
parent 4998cf3c82
commit e350f1759f
4 changed files with 37 additions and 4 deletions

View File

@@ -7,7 +7,9 @@
#ifdef __linux__
#include <sys/auxv.h>
#include <asm/hwcap.h>
#include <asm/hwcap.h>
#elif defined __APPLE__ || __MACH__
#include "sysctl.h"
#endif
#include "../common/global.h"
@@ -232,7 +234,7 @@ void get_cpu_info_mach(struct cpuInfo* cpu) {
cpu->cach = get_cache_info(cpu);
cpu->feat = get_features_info();
cpu->topo = malloc(sizeof(struct topology));
cpu->topo = get_topology_from_sysctl();
cpu->freq = malloc(sizeof(struct frequency));
cpu->freq->base = UNKNOWN_FREQ;
cpu->freq->max = 1000000000;

25
src/arm/sysctl.c Normal file
View File

@@ -0,0 +1,25 @@
#include <sys/types.h>
#include <sys/sysctl.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "../common/global.h"
#include "../common/cpu.h"
struct topology* get_topology_from_sysctl() {
struct topology* t = malloc(sizeof(struct topology));
size_t dummy;
if(sysctlbyname("hw.physicalcpu_max", &t->total_cores, &dummy, NULL, 0) != 0) {
printWarn("sysctlbyname(\"hw.physicalcpu_max\") failed: %s\n", strerror(errno));
t->total_cores = 1;
}
else if(t->total_cores <= 0) {
printWarn("sysctlbyname(\"hw.physicalcpu_max\") returned invalid value: %d\n", t->total_cores);
t->total_cores = 1;
}
return t;
}

6
src/arm/sysctl.h Normal file
View File

@@ -0,0 +1,6 @@
#ifndef __SYSCTL__
#define __SYSCTL__
struct topology* get_topology_from_sysctl();
#endif