mirror of
https://github.com/google/cpu_features.git
synced 2025-04-28 15:33:37 +02:00
d835b4958c
Add all missing features up to Linux v5.0. Features added: evtstrm, atomics, fphp, asimdhp, cpuid, asimdrdm, jscvt, fcma, lrcpc, dcpop, sha3, sm3, sm4, asimddp, sha512, sve, asimdfhm, dit, uscat, ilrcpc, flagm, ssbs, sb, paca, pacg.
126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
// Copyright 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "cpuinfo_aarch64.h"
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#include "filesystem_for_testing.h"
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#include "hwcaps_for_testing.h"
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#include "gtest/gtest.h"
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namespace cpu_features {
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namespace {
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void DisableHardwareCapabilities() { SetHardwareCapabilities(0, 0); }
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TEST(CpuinfoAarch64Test, FromHardwareCap) {
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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, ARMCortexA53) {
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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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}
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} // namespace
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} // namespace cpu_features
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