github.com/arthurnavah/cpuid/v2@v2.0.14/detect_x86.go (about)

     1  // Copyright (c) 2015 Klaus Post, released under MIT License. See LICENSE file.
     2  
     3  //go:build (386 && !gccgo && !noasm && !appengine) || (amd64 && !gccgo && !noasm && !appengine)
     4  // +build 386,!gccgo,!noasm,!appengine amd64,!gccgo,!noasm,!appengine
     5  
     6  package cpuid
     7  
     8  func asmCpuid(op uint32) (eax, ebx, ecx, edx uint32)
     9  func asmCpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32)
    10  func asmXgetbv(index uint32) (eax, edx uint32)
    11  func asmRdtscpAsm() (eax, ebx, ecx, edx uint32)
    12  func asmDarwinHasAVX512() bool
    13  
    14  func initCPU() {
    15  	cpuid = asmCpuid
    16  	cpuidex = asmCpuidex
    17  	xgetbv = asmXgetbv
    18  	rdtscpAsm = asmRdtscpAsm
    19  	darwinHasAVX512 = asmDarwinHasAVX512
    20  }
    21  
    22  func addInfo(c *CPUInfo, safe bool) {
    23  	c.maxFunc = maxFunctionID()
    24  	c.maxExFunc = maxExtendedFunction()
    25  	c.BrandName = brandName()
    26  	c.CacheLine = cacheLine()
    27  	c.Family, c.Model = familyModel()
    28  	c.featureSet = support()
    29  	c.SGX = hasSGX(c.featureSet.inSet(SGX), c.featureSet.inSet(SGXLC))
    30  	c.ThreadsPerCore = threadsPerCore()
    31  	c.LogicalCores = logicalCores()
    32  	c.PhysicalCores = physicalCores()
    33  	c.VendorID, c.VendorString = vendorID()
    34  	c.cacheSize()
    35  	c.frequencies()
    36  }