|
|
// Copyright 2017 Google LLC
|
|
|
//
|
|
|
// 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_mips.h"
|
|
|
|
|
|
#include "filesystem_for_testing.h"
|
|
|
#include "gtest/gtest.h"
|
|
|
#include "hwcaps_for_testing.h"
|
|
|
#include "internal/stack_line_reader.h"
|
|
|
#include "internal/string_view.h"
|
|
|
|
|
|
namespace cpu_features {
|
|
|
|
|
|
namespace {
|
|
|
|
|
|
void DisableHardwareCapabilities() { SetHardwareCapabilities(0, 0); }
|
|
|
|
|
|
TEST(CpuinfoMipsTest, FromHardwareCapBoth) {
|
|
|
SetHardwareCapabilities(MIPS_HWCAP_MSA | MIPS_HWCAP_R6, 0);
|
|
|
GetEmptyFilesystem(); // disabling /proc/cpuinfo
|
|
|
const auto info = GetMipsInfo();
|
|
|
EXPECT_TRUE(info.features.msa);
|
|
|
EXPECT_FALSE(info.features.eva);
|
|
|
EXPECT_TRUE(info.features.r6);
|
|
|
}
|
|
|
|
|
|
TEST(CpuinfoMipsTest, FromHardwareCapOnlyOne) {
|
|
|
SetHardwareCapabilities(MIPS_HWCAP_MSA, 0);
|
|
|
GetEmptyFilesystem(); // disabling /proc/cpuinfo
|
|
|
const auto info = GetMipsInfo();
|
|
|
EXPECT_TRUE(info.features.msa);
|
|
|
EXPECT_FALSE(info.features.eva);
|
|
|
}
|
|
|
|
|
|
TEST(CpuinfoMipsTest, Ci40) {
|
|
|
DisableHardwareCapabilities();
|
|
|
auto& fs = GetEmptyFilesystem();
|
|
|
fs.CreateFile("/proc/cpuinfo", R"(system type : IMG Pistachio SoC (B0)
|
|
|
machine : IMG Marduk – Ci40 with cc2520
|
|
|
processor : 0
|
|
|
cpu model : MIPS interAptiv (multi) V2.0 FPU V0.0
|
|
|
BogoMIPS : 363.72
|
|
|
wait instruction : yes
|
|
|
microsecond timers : yes
|
|
|
tlb_entries : 64
|
|
|
extra interrupt vector : yes
|
|
|
hardware watchpoint : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
|
|
|
isa : mips1 mips2 mips32r1 mips32r2
|
|
|
ASEs implemented : mips16 dsp mt eva
|
|
|
shadow register sets : 1
|
|
|
kscratch registers : 0
|
|
|
package : 0
|
|
|
core : 0
|
|
|
VCED exceptions : not available
|
|
|
VCEI exceptions : not available
|
|
|
VPE : 0
|
|
|
)");
|
|
|
const auto info = GetMipsInfo();
|
|
|
EXPECT_FALSE(info.features.msa);
|
|
|
EXPECT_TRUE(info.features.eva);
|
|
|
}
|
|
|
|
|
|
TEST(CpuinfoMipsTest, AR7161) {
|
|
|
DisableHardwareCapabilities();
|
|
|
auto& fs = GetEmptyFilesystem();
|
|
|
fs.CreateFile("/proc/cpuinfo",
|
|
|
R"(system type : Atheros AR7161 rev 2
|
|
|
machine : NETGEAR WNDR3700/WNDR3800/WNDRMAC
|
|
|
processor : 0
|
|
|
cpu model : MIPS 24Kc V7.4
|
|
|
BogoMIPS : 452.19
|
|
|
wait instruction : yes
|
|
|
microsecond timers : yes
|
|
|
tlb_entries : 16
|
|
|
extra interrupt vector : yes
|
|
|
hardware watchpoint : yes, count: 4, address/irw mask: [0x0000, 0x0f98, 0x0f78, 0x0df8]
|
|
|
ASEs implemented : mips16
|
|
|
shadow register sets : 1
|
|
|
kscratch registers : 0
|
|
|
core : 0
|
|
|
VCED exceptions : not available
|
|
|
VCEI exceptions : not available
|
|
|
)");
|
|
|
const auto info = GetMipsInfo();
|
|
|
EXPECT_FALSE(info.features.msa);
|
|
|
EXPECT_FALSE(info.features.eva);
|
|
|
}
|
|
|
|
|
|
TEST(CpuinfoMipsTest, Goldfish) {
|
|
|
DisableHardwareCapabilities();
|
|
|
auto& fs = GetEmptyFilesystem();
|
|
|
fs.CreateFile("/proc/cpuinfo", R"(system type : MIPS-Goldfish
|
|
|
Hardware : goldfish
|
|
|
Revison : 1
|
|
|
processor : 0
|
|
|
cpu model : MIPS 24Kc V0.0 FPU V0.0
|
|
|
BogoMIPS : 1042.02
|
|
|
wait instruction : yes
|
|
|
microsecond timers : yes
|
|
|
tlb_entries : 16
|
|
|
extra interrupt vector : yes
|
|
|
hardware watchpoint : yes, count: 1, address/irw mask: [0x0ff8]
|
|
|
ASEs implemented :
|
|
|
shadow register sets : 1
|
|
|
core : 0
|
|
|
VCED exceptions : not available
|
|
|
VCEI exceptions : not available
|
|
|
)");
|
|
|
const auto info = GetMipsInfo();
|
|
|
EXPECT_FALSE(info.features.msa);
|
|
|
EXPECT_FALSE(info.features.eva);
|
|
|
}
|
|
|
|
|
|
} // namespace
|
|
|
} // namespace cpu_features
|
