mirror of https://github.com/gnss-sdr/gnss-sdr
290 lines
9.2 KiB
C++
290 lines
9.2 KiB
C++
// SPDX-FileCopyrightText: 2017 Google LLC
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// SPDX-License-Identifier: Apache-2.0
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#include "cpuinfo_aarch64.h"
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#include "filesystem_for_testing.h"
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#include "gtest/gtest.h"
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#include "hwcaps_for_testing.h"
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namespace cpu_features
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{
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namespace
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{
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#if defined(CPU_FEATURES_OS_DARWIN)
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class FakeCpu
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{
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public:
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bool GetDarwinSysCtlByName(std::string name) const
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{
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return darwin_sysctlbyname_.count(name);
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}
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int GetDarwinSysCtlByNameValue(std::string name) const
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{
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std::map<std::string, int>::const_iterator iter =
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darwin_sysctlbynamevalue_.find(name);
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if (iter != std::end(darwin_sysctlbynamevalue_))
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{
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return iter->second;
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}
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return 0;
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}
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void SetDarwinSysCtlByName(std::string name)
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{
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darwin_sysctlbyname_.insert(name);
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}
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void SetDarwinSysCtlByNameValue(std::string name, int value)
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{
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darwin_sysctlbynamevalue_[name] = value;
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}
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private:
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std::set<std::string> darwin_sysctlbyname_;
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std::map<std::string, int> darwin_sysctlbynamevalue_;
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};
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FakeCpu* g_fake_cpu = nullptr;
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extern "C" bool GetDarwinSysCtlByName(const char* name)
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{
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return g_fake_cpu->GetDarwinSysCtlByName(name);
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}
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extern "C" int GetDarwinSysCtlByNameValue(const char* name)
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{
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return g_fake_cpu->GetDarwinSysCtlByNameValue(name);
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}
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class CpuinfoAarch64Test : public ::testing::Test
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{
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protected:
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void SetUp() override { g_fake_cpu = new FakeCpu(); }
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void TearDown() override { delete g_fake_cpu; }
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};
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TEST_F(CpuinfoAarch64Test, FromDarwinSysctlFromName)
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{
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.floatingpoint");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.neon");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.neon_hpfp");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.neon_fp16");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.armv8_1_atomics");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.armv8_crc32");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.armv8_2_fhm");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.armv8_2_sha512");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.armv8_2_sha3");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.amx_version");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.ucnormal_mem");
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g_fake_cpu->SetDarwinSysCtlByName("hw.optional.arm64");
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g_fake_cpu->SetDarwinSysCtlByNameValue("hw.cputype", 16777228);
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g_fake_cpu->SetDarwinSysCtlByNameValue("hw.cpusubtype", 2);
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g_fake_cpu->SetDarwinSysCtlByNameValue("hw.cpu64bit", 1);
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g_fake_cpu->SetDarwinSysCtlByNameValue("hw.cpufamily", 458787763);
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g_fake_cpu->SetDarwinSysCtlByNameValue("hw.cpusubfamily", 2);
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const auto info = GetAarch64Info();
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EXPECT_EQ(info.implementer, 0x100000C);
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EXPECT_EQ(info.variant, 2);
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EXPECT_EQ(info.part, 0x1B588BB3);
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EXPECT_EQ(info.revision, 2);
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EXPECT_TRUE(info.features.fp);
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EXPECT_FALSE(info.features.asimd);
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EXPECT_FALSE(info.features.evtstrm);
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EXPECT_FALSE(info.features.aes);
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EXPECT_FALSE(info.features.pmull);
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EXPECT_FALSE(info.features.sha1);
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EXPECT_FALSE(info.features.sha2);
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EXPECT_TRUE(info.features.crc32);
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EXPECT_TRUE(info.features.atomics);
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EXPECT_TRUE(info.features.fphp);
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EXPECT_FALSE(info.features.asimdhp);
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EXPECT_FALSE(info.features.cpuid);
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EXPECT_FALSE(info.features.asimdrdm);
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EXPECT_FALSE(info.features.jscvt);
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EXPECT_FALSE(info.features.fcma);
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EXPECT_FALSE(info.features.lrcpc);
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EXPECT_FALSE(info.features.dcpop);
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EXPECT_TRUE(info.features.sha3);
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EXPECT_FALSE(info.features.sm3);
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EXPECT_FALSE(info.features.sm4);
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EXPECT_FALSE(info.features.asimddp);
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EXPECT_TRUE(info.features.sha512);
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EXPECT_FALSE(info.features.sve);
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EXPECT_TRUE(info.features.asimdfhm);
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EXPECT_FALSE(info.features.dit);
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EXPECT_FALSE(info.features.uscat);
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EXPECT_FALSE(info.features.ilrcpc);
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EXPECT_FALSE(info.features.flagm);
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EXPECT_FALSE(info.features.ssbs);
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EXPECT_FALSE(info.features.sb);
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EXPECT_FALSE(info.features.paca);
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EXPECT_FALSE(info.features.pacg);
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}
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#else
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void DisableHardwareCapabilities()
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{
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SetHardwareCapabilities(0, 0);
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}
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TEST(CpuinfoAarch64Test, FromHardwareCap)
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{
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SetHardwareCapabilities(AARCH64_HWCAP_FP | AARCH64_HWCAP_AES, 0);
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GetEmptyFilesystem(); // disabling /proc/cpuinfo
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const auto info = GetAarch64Info();
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EXPECT_TRUE(info.features.fp);
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EXPECT_FALSE(info.features.asimd);
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EXPECT_FALSE(info.features.evtstrm);
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EXPECT_TRUE(info.features.aes);
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EXPECT_FALSE(info.features.pmull);
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EXPECT_FALSE(info.features.sha1);
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EXPECT_FALSE(info.features.sha2);
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EXPECT_FALSE(info.features.crc32);
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EXPECT_FALSE(info.features.atomics);
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EXPECT_FALSE(info.features.fphp);
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EXPECT_FALSE(info.features.asimdhp);
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EXPECT_FALSE(info.features.cpuid);
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EXPECT_FALSE(info.features.asimdrdm);
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EXPECT_FALSE(info.features.jscvt);
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EXPECT_FALSE(info.features.fcma);
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EXPECT_FALSE(info.features.lrcpc);
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EXPECT_FALSE(info.features.dcpop);
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EXPECT_FALSE(info.features.sha3);
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EXPECT_FALSE(info.features.sm3);
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EXPECT_FALSE(info.features.sm4);
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EXPECT_FALSE(info.features.asimddp);
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EXPECT_FALSE(info.features.sha512);
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EXPECT_FALSE(info.features.sve);
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EXPECT_FALSE(info.features.asimdfhm);
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EXPECT_FALSE(info.features.dit);
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EXPECT_FALSE(info.features.uscat);
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EXPECT_FALSE(info.features.ilrcpc);
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EXPECT_FALSE(info.features.flagm);
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EXPECT_FALSE(info.features.ssbs);
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EXPECT_FALSE(info.features.sb);
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EXPECT_FALSE(info.features.paca);
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EXPECT_FALSE(info.features.pacg);
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}
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TEST(CpuinfoAarch64Test, FromHardwareCap2)
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{
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SetHardwareCapabilities(AARCH64_HWCAP_FP,
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AARCH64_HWCAP2_SVE2 | AARCH64_HWCAP2_BTI);
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GetEmptyFilesystem(); // disabling /proc/cpuinfo
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const auto info = GetAarch64Info();
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EXPECT_TRUE(info.features.fp);
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EXPECT_TRUE(info.features.sve2);
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EXPECT_TRUE(info.features.bti);
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EXPECT_FALSE(info.features.dcpodp);
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EXPECT_FALSE(info.features.sveaes);
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EXPECT_FALSE(info.features.svepmull);
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EXPECT_FALSE(info.features.svebitperm);
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EXPECT_FALSE(info.features.svesha3);
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EXPECT_FALSE(info.features.svesm4);
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EXPECT_FALSE(info.features.flagm2);
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EXPECT_FALSE(info.features.frint);
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EXPECT_FALSE(info.features.svei8mm);
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EXPECT_FALSE(info.features.svef32mm);
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EXPECT_FALSE(info.features.svef64mm);
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EXPECT_FALSE(info.features.svebf16);
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EXPECT_FALSE(info.features.i8mm);
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EXPECT_FALSE(info.features.bf16);
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EXPECT_FALSE(info.features.dgh);
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EXPECT_FALSE(info.features.rng);
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}
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TEST(CpuinfoAarch64Test, ARMCortexA53)
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{
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DisableHardwareCapabilities();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo",
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R"(Processor : AArch64 Processor rev 3 (aarch64)
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processor : 0
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processor : 1
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processor : 2
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processor : 3
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processor : 4
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processor : 5
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processor : 6
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processor : 7
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Features : fp asimd evtstrm aes pmull sha1 sha2 crc32
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CPU implementer : 0x41
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CPU architecture: AArch64
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CPU variant : 0x0
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CPU part : 0xd03
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CPU revision : 3)");
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const auto info = GetAarch64Info();
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EXPECT_EQ(info.implementer, 0x41);
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EXPECT_EQ(info.variant, 0x0);
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EXPECT_EQ(info.part, 0xd03);
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EXPECT_EQ(info.revision, 3);
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EXPECT_TRUE(info.features.fp);
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EXPECT_TRUE(info.features.asimd);
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EXPECT_TRUE(info.features.evtstrm);
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EXPECT_TRUE(info.features.aes);
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EXPECT_TRUE(info.features.pmull);
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EXPECT_TRUE(info.features.sha1);
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EXPECT_TRUE(info.features.sha2);
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EXPECT_TRUE(info.features.crc32);
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EXPECT_FALSE(info.features.atomics);
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EXPECT_FALSE(info.features.fphp);
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EXPECT_FALSE(info.features.asimdhp);
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EXPECT_FALSE(info.features.cpuid);
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EXPECT_FALSE(info.features.asimdrdm);
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EXPECT_FALSE(info.features.jscvt);
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EXPECT_FALSE(info.features.fcma);
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EXPECT_FALSE(info.features.lrcpc);
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EXPECT_FALSE(info.features.dcpop);
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EXPECT_FALSE(info.features.sha3);
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EXPECT_FALSE(info.features.sm3);
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EXPECT_FALSE(info.features.sm4);
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EXPECT_FALSE(info.features.asimddp);
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EXPECT_FALSE(info.features.sha512);
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EXPECT_FALSE(info.features.sve);
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EXPECT_FALSE(info.features.asimdfhm);
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EXPECT_FALSE(info.features.dit);
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EXPECT_FALSE(info.features.uscat);
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EXPECT_FALSE(info.features.ilrcpc);
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EXPECT_FALSE(info.features.flagm);
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EXPECT_FALSE(info.features.ssbs);
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EXPECT_FALSE(info.features.sb);
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EXPECT_FALSE(info.features.paca);
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EXPECT_FALSE(info.features.pacg);
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EXPECT_FALSE(info.features.dcpodp);
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EXPECT_FALSE(info.features.sve2);
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EXPECT_FALSE(info.features.sveaes);
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EXPECT_FALSE(info.features.svepmull);
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EXPECT_FALSE(info.features.svebitperm);
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EXPECT_FALSE(info.features.svesha3);
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EXPECT_FALSE(info.features.svesm4);
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EXPECT_FALSE(info.features.flagm2);
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EXPECT_FALSE(info.features.frint);
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EXPECT_FALSE(info.features.svei8mm);
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EXPECT_FALSE(info.features.svef32mm);
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EXPECT_FALSE(info.features.svef64mm);
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EXPECT_FALSE(info.features.svebf16);
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EXPECT_FALSE(info.features.i8mm);
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EXPECT_FALSE(info.features.bf16);
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EXPECT_FALSE(info.features.dgh);
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EXPECT_FALSE(info.features.rng);
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EXPECT_FALSE(info.features.bti);
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EXPECT_FALSE(info.features.mte);
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}
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#endif
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} // namespace
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} // namespace cpu_features
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