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Add support for FreeBSD on x86 (#163)

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This commit is contained in:
Guillaume Chatelet
2021-07-02 15:37:03 +02:00
committed by GitHub
parent 06fdc0aa1d
commit 119943707c
4 changed files with 97 additions and 29 deletions
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65
test/cpuinfo_x86_test.cc
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@ -666,21 +666,29 @@ TEST_F(CpuidX86Test, Nehalem) {
PF_XMMI64_INSTRUCTIONS_AVAILABLE);
g_fake_cpu->SetWindowsIsProcessorFeaturePresent(
PF_SSE3_INSTRUCTIONS_AVAILABLE);
#endif // CPU_FEATURES_OS_WINDOWS
#if defined(CPU_FEATURES_OS_DARWIN)
#elif defined(CPU_FEATURES_OS_DARWIN)
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse2");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse3");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.supplementalsse3");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_1");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_2");
#endif // CPU_FEATURES_OS_DARWIN
#if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID)
#elif defined(CPU_FEATURES_OS_FREEBSD)
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/var/run/dmesg.boot", R"(
---<<BOOT>>---
Copyright (c) 1992-2020 The FreeBSD Project.
FreeBSD is a registered trademark of The FreeBSD Foundation.
Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x5eda2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,RDRAND>
real memory = 2147418112 (2047 MB)
)");
#elif defined(CPU_FEATURES_OS_LINUX_OR_ANDROID)
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/proc/cpuinfo", R"(processor :
flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2
)");
#endif // CPU_FEATURES_OS_LINUX_OR_ANDROID
#endif
g_fake_cpu->SetLeaves({
{{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x000106A2, 0x00100800, 0x00BCE3BD, 0xBFEBFBFF}},
@ -723,13 +731,13 @@ flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2
EXPECT_TRUE(info.features.sse);
EXPECT_TRUE(info.features.sse2);
EXPECT_TRUE(info.features.sse3);
#ifndef CPU_FEATURES_OS_WINDOWS
#if !defined(CPU_FEATURES_OS_WINDOWS)
// Currently disabled on Windows as IsProcessorFeaturePresent do not support
// feature detection > sse3.
EXPECT_TRUE(info.features.ssse3);
EXPECT_TRUE(info.features.sse4_1);
EXPECT_TRUE(info.features.sse4_2);
#endif // CPU_FEATURES_OS_WINDOWS
#endif // !defined(CPU_FEATURES_OS_WINDOWS)
}
// https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0030673_Silvermont3_CPUID.txt
@ -743,21 +751,29 @@ TEST_F(CpuidX86Test, Atom) {
PF_XMMI64_INSTRUCTIONS_AVAILABLE);
g_fake_cpu->SetWindowsIsProcessorFeaturePresent(
PF_SSE3_INSTRUCTIONS_AVAILABLE);
#endif // CPU_FEATURES_OS_WINDOWS
#if defined(CPU_FEATURES_OS_DARWIN)
#elif defined(CPU_FEATURES_OS_DARWIN)
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse2");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse3");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.supplementalsse3");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_1");
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_2");
#endif // CPU_FEATURES_OS_DARWIN
#if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID)
#elif defined(CPU_FEATURES_OS_FREEBSD)
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/var/run/dmesg.boot", R"(
---<<BOOT>>---
Copyright (c) 1992-2020 The FreeBSD Project.
FreeBSD is a registered trademark of The FreeBSD Foundation.
Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x5eda2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,RDRAND>
real memory = 2147418112 (2047 MB)
)");
#elif defined(CPU_FEATURES_OS_LINUX_OR_ANDROID)
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/proc/cpuinfo", R"(
flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2
)");
#endif // CPU_FEATURES_OS_LINUX_OR_ANDROID
#endif
g_fake_cpu->SetLeaves({
{{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00030673, 0x00100800, 0x41D8E3BF, 0xBFEBFBFF}},
@ -800,13 +816,13 @@ flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2
EXPECT_TRUE(info.features.sse);
EXPECT_TRUE(info.features.sse2);
EXPECT_TRUE(info.features.sse3);
#ifndef CPU_FEATURES_OS_WINDOWS
#if !defined(CPU_FEATURES_OS_WINDOWS)
// Currently disabled on Windows as IsProcessorFeaturePresent do not support
// feature detection > sse3.
EXPECT_TRUE(info.features.ssse3);
EXPECT_TRUE(info.features.sse4_1);
EXPECT_TRUE(info.features.sse4_2);
#endif // CPU_FEATURES_OS_WINDOWS
#endif // !defined(CPU_FEATURES_OS_WINDOWS)
}
// https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000673_P3_KatmaiDP_CPUID.txt
@ -816,16 +832,23 @@ TEST_F(CpuidX86Test, P3) {
#if defined(CPU_FEATURES_OS_WINDOWS)
g_fake_cpu->SetWindowsIsProcessorFeaturePresent(
PF_XMMI_INSTRUCTIONS_AVAILABLE);
#endif // CPU_FEATURES_OS_WINDOWS
#if defined(CPU_FEATURES_OS_DARWIN)
#elif defined(CPU_FEATURES_OS_DARWIN)
g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse");
#endif // CPU_FEATURES_OS_DARWIN
#if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID)
#elif defined(CPU_FEATURES_OS_FREEBSD)
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/var/run/dmesg.boot", R"(
---<<BOOT>>---
Copyright (c) 1992-2020 The FreeBSD Project.
FreeBSD is a registered trademark of The FreeBSD Foundation.
Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 2147418112 (2047 MB)
)");
#elif defined(CPU_FEATURES_OS_LINUX_OR_ANDROID)
auto& fs = GetEmptyFilesystem();
fs.CreateFile("/proc/cpuinfo", R"(
flags : fpu mmx sse
)");
#endif // CPU_FEATURES_OS_LINUX_OR_ANDROID
#endif
g_fake_cpu->SetLeaves({
{{0x00000000, 0}, Leaf{0x00000003, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00000673, 0x00000000, 0x00000000, 0x0387FBFF}},
@ -848,13 +871,13 @@ flags : fpu mmx sse
EXPECT_TRUE(info.features.sse);
EXPECT_FALSE(info.features.sse2);
EXPECT_FALSE(info.features.sse3);
#ifndef CPU_FEATURES_OS_WINDOWS
#if !defined(CPU_FEATURES_OS_WINDOWS)
// Currently disabled on Windows as IsProcessorFeaturePresent do not support
// feature detection > sse3.
EXPECT_FALSE(info.features.ssse3);
EXPECT_FALSE(info.features.sse4_1);
EXPECT_FALSE(info.features.sse4_2);
#endif // CPU_FEATURES_OS_WINDOWS
#endif // !defined(CPU_FEATURES_OS_WINDOWS)
}
// TODO(user): test what happens when xsave/osxsave are not present.