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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/utilities/cpu_info.h"
#include "gtest/gtest.h"
using namespace NEO;
void mockCpuidEnableAll(int cpuInfo[4], int functionId) {
cpuInfo[0] = -1;
cpuInfo[1] = -1;
cpuInfo[2] = -1;
cpuInfo[3] = -1;
}
void mockCpuidFunctionAvailableDisableAll(int cpuInfo[4], int functionId) {
cpuInfo[0] = -1;
cpuInfo[1] = 0;
cpuInfo[2] = 0;
cpuInfo[3] = 0;
}
void mockCpuidFunctionNotAvailableDisableAll(int cpuInfo[4], int functionId) {
cpuInfo[0] = 0;
cpuInfo[1] = 0;
cpuInfo[2] = 0;
cpuInfo[3] = 0;
}
void mockCpuidReport36BitVirtualAddressSize(int cpuInfo[4], int functionId) {
if (static_cast<uint32_t>(functionId) == 0x80000008) {
cpuInfo[0] = 36 << 8;
cpuInfo[1] = 0;
cpuInfo[2] = 0;
cpuInfo[3] = 0;
} else {
mockCpuidEnableAll(cpuInfo, functionId);
}
}
TEST(CpuInfoTest, giveFunctionIsNotAvailableWhenFeatureIsNotSupportedThenMaskBitIsOff) {
void (*defaultCpuidFunc)(int[4], int) = CpuInfo::cpuidFunc;
CpuInfo::cpuidFunc = mockCpuidFunctionNotAvailableDisableAll;
CpuInfo testCpuInfo;
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureFpu));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureCmov));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureMmx));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureFxsave));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSse));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE2));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE3));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSssE3));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE41));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE42));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureMovbe));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featurePopcnt));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featurePclmulqdq));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureAes));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureF16C));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureAvx));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureRdrnd));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureFma));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureBmi));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureLzcnt));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureHle));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureRtm));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureAvX2));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureClflush));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureTsc));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureRdtscp));
CpuInfo::cpuidFunc = defaultCpuidFunc;
}
TEST(CpuInfoTest, giveFunctionIsAvailableWhenFeatureIsNotSupportedThenMaskBitIsOff) {
void (*defaultCpuidFunc)(int[4], int) = CpuInfo::cpuidFunc;
CpuInfo::cpuidFunc = mockCpuidFunctionAvailableDisableAll;
CpuInfo testCpuInfo;
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureFpu));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureCmov));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureMmx));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureFxsave));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSse));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE2));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE3));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSssE3));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE41));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE42));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureMovbe));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featurePopcnt));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featurePclmulqdq));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureAes));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureF16C));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureAvx));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureRdrnd));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureFma));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureBmi));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureLzcnt));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureHle));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureRtm));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureAvX2));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureClflush));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureTsc));
EXPECT_FALSE(testCpuInfo.isFeatureSupported(CpuInfo::featureRdtscp));
CpuInfo::cpuidFunc = defaultCpuidFunc;
}
TEST(CpuInfoTest, whenFeatureIsSupportedThenMaskBitIsOn) {
void (*defaultCpuidFunc)(int[4], int) = CpuInfo::cpuidFunc;
CpuInfo::cpuidFunc = mockCpuidEnableAll;
CpuInfo testCpuInfo;
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureFpu));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureCmov));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureMmx));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureFxsave));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureSse));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE2));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE3));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureSssE3));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE41));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureSsE42));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureMovbe));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featurePopcnt));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featurePclmulqdq));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureAes));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureF16C));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureAvx));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureRdrnd));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureFma));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureBmi));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureLzcnt));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureHle));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureRtm));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureAvX2));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureClflush));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureTsc));
EXPECT_TRUE(testCpuInfo.isFeatureSupported(CpuInfo::featureRdtscp));
CpuInfo::cpuidFunc = defaultCpuidFunc;
}
TEST(CpuInfoTest, WhenGettingVirtualAddressSizeThenCorrectResultIsReturned) {
void (*defaultCpuidFunc)(int[4], int) = CpuInfo::cpuidFunc;
CpuInfo::cpuidFunc = mockCpuidReport36BitVirtualAddressSize;
CpuInfo testCpuInfo;
EXPECT_EQ(36u, testCpuInfo.getVirtualAddressSize());
CpuInfo::cpuidFunc = defaultCpuidFunc;
}
TEST(CpuInfo, WhenGettingCpuidexThenOperationSucceeds) {
const CpuInfo &cpuInfo = CpuInfo::getInstance();
uint32_t cpuRegsInfo[4];
uint32_t subleaf = 0;
cpuInfo.cpuidex(cpuRegsInfo, 4, subleaf);
}
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