mirror of
https://github.com/google/cpu_features.git
synced 2025-10-31 21:20:50 +01:00
181 lines
4.7 KiB
C++
181 lines
4.7 KiB
C++
// Copyright 2022 Google LLC
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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_riscv.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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namespace {
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TEST(CpuinfoRiscvTest, Sipeed_Lichee_RV_FromCpuInfo) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo", R"(processor : 0
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hart : 0
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isa : rv64imafdc
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mmu : sv39
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uarch : thead,c906)");
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const auto info = GetRiscvInfo();
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EXPECT_STREQ(info.uarch, "c906");
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EXPECT_STREQ(info.vendor, "thead");
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EXPECT_FALSE(info.features.RV32I);
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EXPECT_TRUE(info.features.RV64I);
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EXPECT_TRUE(info.features.M);
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EXPECT_TRUE(info.features.A);
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EXPECT_TRUE(info.features.F);
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EXPECT_TRUE(info.features.D);
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EXPECT_FALSE(info.features.Q);
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EXPECT_TRUE(info.features.C);
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EXPECT_FALSE(info.features.V);
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}
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// https://github.com/ThomasKaiser/sbc-bench/blob/284e82b016ec1beeac42a5fcbe556b670f68441a/results/Kendryte-K510-4.17.0.cpuinfo
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TEST(CpuinfoRiscvTest, Kendryte_K510_FromCpuInfo) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo", R"(
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hart : 0
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isa : rv64i2p0m2p0a2p0f2p0d2p0c2p0xv5-0p0
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mmu : sv39
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hart : 1
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isa : rv64i2p0m2p0a2p0f2p0d2p0c2p0xv5-0p0
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mmu : sv39");
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const auto info = GetRiscvInfo();
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EXPECT_STREQ(info.uarch, "");
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EXPECT_STREQ(info.vendor, "");
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EXPECT_FALSE(info.features.RV32I);
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EXPECT_TRUE(info.features.RV64I);
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EXPECT_TRUE(info.features.M);
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EXPECT_TRUE(info.features.A);
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EXPECT_TRUE(info.features.F);
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EXPECT_TRUE(info.features.D);
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EXPECT_FALSE(info.features.Q);
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EXPECT_TRUE(info.features.C);
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EXPECT_FALSE(info.features.V);
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}
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// https://github.com/ThomasKaiser/sbc-bench/blob/284e82b016ec1beeac42a5fcbe556b670f68441a/results/T-Head-C910-5.10.4.cpuinfo
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TEST(CpuinfoRiscvTest, T_Head_C910_FromCpuInfo) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo", R"(
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processor : 0
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hart : 0
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isa : rv64imafdcsu
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mmu : sv39
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cpu-freq : 1.2Ghz
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cpu-icache : 64KB
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cpu-dcache : 64KB
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cpu-l2cache : 2MB
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cpu-tlb : 1024 4-ways
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cpu-cacheline : 64Bytes
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cpu-vector : 0.7.1
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processor : 1
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hart : 1
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isa : rv64imafdcsu
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mmu : sv39
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cpu-freq : 1.2Ghz
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cpu-icache : 64KB
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cpu-dcache : 64KB
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cpu-l2cache : 2MB
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cpu-tlb : 1024 4-ways
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cpu-cacheline : 64Bytes
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cpu-vector : 0.7.1");
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const auto info = GetRiscvInfo();
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EXPECT_STREQ(info.uarch, "");
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EXPECT_STREQ(info.vendor, "");
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EXPECT_FALSE(info.features.RV32I);
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EXPECT_TRUE(info.features.RV64I);
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EXPECT_TRUE(info.features.M);
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EXPECT_TRUE(info.features.A);
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EXPECT_TRUE(info.features.F);
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EXPECT_TRUE(info.features.D);
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EXPECT_FALSE(info.features.Q);
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EXPECT_TRUE(info.features.C);
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EXPECT_FALSE(info.features.V);
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}
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TEST(CpuinfoRiscvTest, UnknownFromCpuInfo) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo", R"(
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processor : 0
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hart : 2
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isa : rv64imafdc
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mmu : sv39
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uarch : sifive,bullet0
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processor : 1
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hart : 1
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isa : rv64imafdc
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mmu : sv39
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uarch : sifive,bullet0
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processor : 2
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hart : 3
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isa : rv64imafdc
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mmu : sv39
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uarch : sifive,bullet0
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processor : 3
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hart : 4
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isa : rv64imafdc
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mmu : sv39
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uarch : sifive,bullet0)");
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const auto info = GetRiscvInfo();
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EXPECT_STREQ(info.uarch, "bullet0");
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EXPECT_STREQ(info.vendor, "sifive");
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EXPECT_FALSE(info.features.RV32I);
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EXPECT_TRUE(info.features.RV64I);
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EXPECT_TRUE(info.features.M);
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EXPECT_TRUE(info.features.A);
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EXPECT_TRUE(info.features.F);
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EXPECT_TRUE(info.features.D);
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EXPECT_FALSE(info.features.Q);
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EXPECT_TRUE(info.features.C);
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EXPECT_FALSE(info.features.V);
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}
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TEST(CpuinfoRiscvTest, QemuCpuInfo) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo", R"(
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processor : 0
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hart : 0
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isa : rv64imafdcvh_zba_zbb_zbc_zbs
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mmu : sv48)");
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const auto info = GetRiscvInfo();
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EXPECT_FALSE(info.features.RV32I);
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EXPECT_TRUE(info.features.RV64I);
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EXPECT_TRUE(info.features.M);
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EXPECT_TRUE(info.features.A);
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EXPECT_TRUE(info.features.F);
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EXPECT_TRUE(info.features.D);
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EXPECT_FALSE(info.features.Q);
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EXPECT_TRUE(info.features.C);
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EXPECT_TRUE(info.features.V);
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}
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} // namespace
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} // namespace cpu_features
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