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powerpc: Added PowerPC implementation

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Signed-off-by: Rashmica Gupta <rashmica.gupta@au1.ibm.com>
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Rashmica Gupta
2018-04-23 10:46:47 +10:00
committed by Rashmica Gupta
parent a5093bbe7c
commit 3adafbfe66
9 changed files with 687 additions and 0 deletions
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test/cpuinfo_ppc_test.cc Normal file
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// Copyright 2018 IBM.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cpuinfo_ppc.h"
#include "filesystem_for_testing.h"
#include "hwcaps_for_testing.h"
#include "internal/string_view.h"
#include "gtest/gtest.h"
namespace cpu_features {
namespace {
void DisableHardwareCapabilities() { SetHardwareCapabilities(0, 0); }
TEST(CpustringsPPCTest, FromHardwareCap) {
SetHardwareCapabilities(PPC_FEATURE_HAS_FPU | PPC_FEATURE_HAS_VSX,
PPC_FEATURE2_ARCH_3_00);
GetEmptyFilesystem(); // disabling /proc/cpuinfo
const auto info = GetPPCInfo();
EXPECT_TRUE(info.features.fpu);
EXPECT_FALSE(info.features.mmu);
EXPECT_TRUE(info.features.vsx);
EXPECT_TRUE(info.features.arch300);
EXPECT_FALSE(info.features.power4);
EXPECT_FALSE(info.features.altivec);
EXPECT_FALSE(info.features.vcrypto);
EXPECT_FALSE(info.features.htm);
}
TEST(CpustringsPPCTest, Blade) {
DisableHardwareCapabilities();
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/proc/cpuinfo",
R"(processor : 14
cpu : POWER7 (architected), altivec supported
clock : 3000.000000MHz
revision : 2.1 (pvr 003f 0201)
processor : 15
cpu : POWER7 (architected), altivec supported
clock : 3000.000000MHz
revision : 2.1 (pvr 003f 0201)
timebase : 512000000
platform : pSeries
model : IBM,8406-70Y
machine : CHRP IBM,8406-70Y)");
const auto strings = GetPPCPlatformStrings();
ASSERT_STREQ(strings.platform, "pSeries");
ASSERT_STREQ(strings.model, "IBM,8406-70Y");
ASSERT_STREQ(strings.machine, "CHRP IBM,8406-70Y");
ASSERT_STREQ(strings.cpu, "POWER7 (architected), altivec supported");
}
TEST(CpustringsPPCTest, Firestone) {
DisableHardwareCapabilities();
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/proc/cpuinfo",
R"(processor : 126
cpu : POWER8 (raw), altivec supported
clock : 2061.000000MHz
revision : 2.0 (pvr 004d 0200)
processor : 127
cpu : POWER8 (raw), altivec supported
clock : 2061.000000MHz
revision : 2.0 (pvr 004d 0200)
timebase : 512000000
platform : PowerNV
model : 8335-GTA
machine : PowerNV 8335-GTA
firmware : OPAL v3)");
const auto strings = GetPPCPlatformStrings();
ASSERT_STREQ(strings.platform, "PowerNV");
ASSERT_STREQ(strings.model, "8335-GTA");
ASSERT_STREQ(strings.machine, "PowerNV 8335-GTA");
ASSERT_STREQ(strings.cpu, "POWER8 (raw), altivec supported");
}
TEST(CpustringsPPCTest, w8) {
DisableHardwareCapabilities();
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/proc/cpuinfo",
R"(processor : 143
cpu : POWER9, altivec supported
clock : 2300.000000MHz
revision : 2.2 (pvr 004e 1202)
timebase : 512000000
platform : PowerNV
model : 0000000000000000
machine : PowerNV 0000000000000000
firmware : OPAL
MMU : Radix)");
const auto strings = GetPPCPlatformStrings();
ASSERT_STREQ(strings.platform, "PowerNV");
ASSERT_STREQ(strings.model, "0000000000000000");
ASSERT_STREQ(strings.machine, "PowerNV 0000000000000000");
ASSERT_STREQ(strings.cpu, "POWER9, altivec supported");
}
} // namespace
} // namespace cpu_features