mirror of
https://github.com/google/cpu_features.git
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981fbe3914
* support for s390x * added z15 T01, T02 model checking * removed z15 checking * removed empty strings * added s390x unit tests * added reference url for hwcaps * moved documentation to S390XFeatures struct, updated copyright date, removed unused include statement * changed num_processors to int * removed newlines from test inputs * scripts: Add bootlin s390x support * cmake(ci): Add s390x support * ci: Add s390x workflow Co-authored-by: Marcos <marcos.araque.fiallos@ibm.com> Co-authored-by: Corentin Le Molgat <corentinl@google.com>
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
// Copyright 2022 IBM.
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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_s390x.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(CpustringsS390XTest, S390XFeaturesEnum) {
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const char *last_name = GetS390XFeaturesEnumName(S390X_LAST_);
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EXPECT_STREQ(last_name, "unknown_feature");
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for (int i = static_cast<int>(S390_ZARCH); i != static_cast<int>(S390X_LAST_); ++i) {
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const auto feature = static_cast<S390XFeaturesEnum>(i);
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const char *name = GetS390XFeaturesEnumName(feature);
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ASSERT_FALSE(name == nullptr);
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EXPECT_STRNE(name, "");
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EXPECT_STRNE(name, last_name);
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}
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}
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TEST(CpustringsS390XTest, FromHardwareCap) {
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ResetHwcaps();
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SetHardwareCapabilities(HWCAP_S390_ESAN3 | HWCAP_S390_HPAGE |
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HWCAP_S390_NNPA | HWCAP_S390_SIE, 0);
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GetEmptyFilesystem(); // disabling /proc/cpuinfo
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const auto info = GetS390XInfo();
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EXPECT_TRUE(info.features.esan3);
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EXPECT_TRUE(info.features.edat);
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EXPECT_TRUE(info.features.nnpa);
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EXPECT_TRUE(info.features.sie);
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EXPECT_FALSE(info.features.msa);
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EXPECT_FALSE(info.features.stfle);
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EXPECT_FALSE(info.features.vxp2);
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EXPECT_FALSE(info.features.pcimio);
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}
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TEST(CpustringsS390XTest, z16) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo",
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R"(vendor_id : IBM/S390
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# processors : 24
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bogomips per cpu: 26315.00
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max thread id : 1
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features : esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx vxd vxe gs vxe2 vxp sort dflt vxp2 nnpa pcimio sie )");
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SetPlatformPointer("z16");
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const auto strings = GetS390XPlatformStrings();
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EXPECT_EQ(strings.num_processors, 24);
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ASSERT_STREQ(strings.type.platform, "z16");
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}
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TEST(CpustringsS390XTest, z15) {
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo",
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R"(vendor_id : IBM/S390
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# processors : 2
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bogomips per cpu: 24038.00
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max thread id : 1
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features : esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx vxd vxe gs vxe2 vxp sort dflt sie)");
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SetPlatformPointer("z15");
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const auto strings = GetS390XPlatformStrings();
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EXPECT_EQ(strings.num_processors, 2);
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ASSERT_STREQ(strings.type.platform, "z15");
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}
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} // namespace
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} // namespace cpu_features
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