Exemplos de L1Cache em C++ (Cpp)

Exemplo n.º 1

Arquivo: cache.cpp Projeto: Valvador/PyroSpaceFork

// AMD reports maxCpuidIdFunction > 4 but consider functions 2..4 to be
// "reserved". cache characteristics are returned via ext. functions.
static void DetectCacheAndTLB()
{
	x86_x64::CpuidRegs regs = { 0 };

	regs.eax = 0x80000005;
	if(x86_x64::cpuid(&regs))
	{
		AddCache(L1Cache(regs.ecx, x86_x64::Cache::kData));
		AddCache(L1Cache(regs.edx, x86_x64::Cache::kInstruction));

		AddTLB(TLB1(regs.eax,  0, 2*MiB, x86_x64::Cache::kInstruction));
		AddTLB(TLB1(regs.eax, 16, 2*MiB, x86_x64::Cache::kData));
		AddTLB(TLB1(regs.ebx,  0, 4*KiB, x86_x64::Cache::kInstruction));
		AddTLB(TLB1(regs.ebx, 16, 4*KiB, x86_x64::Cache::kData));
	}

	regs.eax = 0x80000006;
	if(x86_x64::cpuid(&regs))
	{
		AddCache(L2Cache(regs.ecx, x86_x64::Cache::kUnified));
		AddCache(L3Cache(regs.edx, x86_x64::Cache::kUnified));

		AddTLB2Pair(regs.eax, 2*MiB);
		AddTLB2Pair(regs.ebx, 4*KiB);
	}
}

Exemplo n.º 2

Arquivo: main.cpp Projeto: krobertson92/ECEN3000

 //brief: Intializes all globals if they have not already been initialized
 static void Initialize(){
  if(!initialized){
   initialized=true;
   updateDV();
   L1P=L1D=L1Cache();
   L2U    =L2Cache();
  }
 }