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Merge pull request #3397 from martin-frbg/m1detect 

Fix detection of Apple M1 "Vortex"
This commit is contained in:
Martin Kroeker 2021-10-04 22:22:57 +02:00 committed by GitHub
parent dcb005351e d7351deccf
commit 2b28b88cab
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 13 deletions
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30
cpuid_arm64.c
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@ -26,10 +26,12 @@
*****************************************************************************/
#include <string.h>
#ifdef OS_DARWIN
#ifdef __APPLE__
#include <sys/sysctl.h>
int32_t value;
size_t length=sizeof(value);
int64_t value64;
size_t length64=sizeof(value64);
#endif
#define CPU_UNKNOWN 0
@ -212,9 +214,9 @@ int detect(void)
}
#else
#ifdef DARWIN
#ifdef __APPLE__
sysctlbyname("hw.cpufamily",&value,&length,NULL,0);
if (value ==131287967) return CPU_VORTEX;
if (value ==131287967|| value == 458787763 ) return CPU_VORTEX;
#endif
return CPU_ARMV8;
#endif
@ -265,7 +267,7 @@ int n=0;
printf("#define NUM_CORES %d\n",n);
#endif
#ifdef DARWIN
#ifdef __APPLE__
sysctlbyname("hw.physicalcpu_max",&value,&length,NULL,0);
printf("#define NUM_CORES %d\n",value);
#endif
@ -420,17 +422,19 @@ void get_cpuconfig(void)
printf("#define DTB_DEFAULT_ENTRIES 64 \n");
printf("#define DTB_SIZE 4096 \n");
break;
#ifdef DARWIN
#ifdef __APPLE__
case CPU_VORTEX:
printf("#define VORTEX \n");
sysctlbyname("hw.l1icachesize",&value,&length,NULL,0);
printf("#define L1_CODE_SIZE %d \n",value);
sysctlbyname("hw.cachelinesize",&value,&length,NULL,0);
printf("#define L1_CODE_LINESIZE %d \n",value);
sysctlbyname("hw.l1dcachesize",&value,&length,NULL,0);
printf("#define L1_DATA_SIZE %d \n",value);
sysctlbyname("hw.l2dcachesize",&value,&length,NULL,0);
printf("#define L2_SIZE %d \n",value);
sysctlbyname("hw.l1icachesize",&value64,&length64,NULL,0);
printf("#define L1_CODE_SIZE %lld \n",value64);
sysctlbyname("hw.cachelinesize",&value64,&length64,NULL,0);
printf("#define L1_CODE_LINESIZE %lld \n",value64);
sysctlbyname("hw.l1dcachesize",&value64,&length64,NULL,0);
printf("#define L1_DATA_SIZE %lld \n",value64);
sysctlbyname("hw.l2cachesize",&value64,&length64,NULL,0);
printf("#define L2_SIZE %lld \n",value64);
printf("#define DTB_DEFAULT_ENTRIES 64 \n");
printf("#define DTB_SIZE 4096 \n");
break;
#endif
}