mirror of
https://github.com/yardenshafir/cet-research
synced 2026-06-21 14:14:07 +00:00
Parse errata files forxsave features
This commit is contained in:
Yarden Shafir
+31
@@ -0,0 +1,31 @@
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.28307.852
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Xpolicy", "Xpolicy\Xpolicy.vcxproj", "{A82A784A-5EFB-4E1C-BE43-83169D135076}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Debug|x64.ActiveCfg = Debug|x64
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Debug|x64.Build.0 = Debug|x64
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Debug|x86.ActiveCfg = Debug|Win32
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Debug|x86.Build.0 = Debug|Win32
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Release|x64.ActiveCfg = Release|x64
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Release|x64.Build.0 = Release|x64
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Release|x86.ActiveCfg = Release|Win32
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{A82A784A-5EFB-4E1C-BE43-83169D135076}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {29038274-320C-46F5-8173-5B13D1F41515}
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EndGlobalSection
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EndGlobal
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@@ -0,0 +1,126 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>15.0</VCProjectVersion>
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<ProjectGuid>{A82A784A-5EFB-4E1C-BE43-83169D135076}</ProjectGuid>
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<RootNamespace>Xpolicy</RootNamespace>
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<WindowsTargetPlatformVersion>10.0.19525.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v141</PlatformToolset>
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<CharacterSet>MultiByte</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v141</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>MultiByte</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v141</PlatformToolset>
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<CharacterSet>MultiByte</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v141</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>MultiByte</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup />
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<SDLCheck>true</SDLCheck>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<SDLCheck>true</SDLCheck>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<AdditionalLibraryDirectories>"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.23.28105\lib\x64"</AdditionalLibraryDirectories>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="xpolicy.c" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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@@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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<Filter Include="Source Files">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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<Filter Include="Header Files">
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
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</Filter>
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<Filter Include="Resource Files">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="xpolicy.c">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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@@ -0,0 +1,4 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup />
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</Project>
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@@ -0,0 +1,200 @@
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#define UNICODE
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#include <windows.h>
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#include <wchar.h>
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#include <stdio.h>
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typedef struct _XSAVE_CPU_INFO
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{
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/* 0x0000 */ unsigned char Processor;
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/* 0x0002 */ unsigned short Family;
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/* 0x0004 */ unsigned short Model;
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/* 0x0006 */ unsigned short Stepping;
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/* 0x0008 */ unsigned short ExtendedModel;
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/* 0x000c */ unsigned long ExtendedFamily;
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/* 0x0010 */ unsigned __int64 MicrocodeVersion;
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/* 0x0018 */ unsigned long Reserved;
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/* 0x001c */ long __PADDING__[1];
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} XSAVE_CPU_INFO, *PXSAVE_CPU_INFO; /* size: 0x0020 */
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typedef struct _XSAVE_CPU_ERRATA
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{
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/* 0x0000 */ unsigned long NumberOfErrata;
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/* 0x0008 */ struct _XSAVE_CPU_INFO Errata[1];
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} XSAVE_CPU_ERRATA, *PXSAVE_CPU_ERRATA; /* size: 0x0028 */
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typedef struct _XSAVE_SUPPORTED_CPU
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{
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/* 0x0000 */ struct _XSAVE_CPU_INFO CpuInfo;
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union
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{
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/* 0x0020 */ struct XSAVE_CPU_ERRATA* CpuErrata;
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/* 0x0020 */ unsigned __int64 Unused;
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}; /* size: 0x0008 */
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} XSAVE_SUPPORTED_CPU, *PXSAVE_SUPPORTED_CPU; /* size: 0x0028 */
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typedef struct _XSAVE_VENDOR
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{
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/* 0x0000 */ unsigned long VendorId[3];
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/* 0x0010 */ struct _XSAVE_SUPPORTED_CPU SupportedCpu;
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} XSAVE_VENDOR, *PXSAVE_VENDOR; /* size: 0x0038 */
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typedef struct _XSAVE_VENDORS
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{
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/* 0x0000 */ unsigned long NumberOfVendors;
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/* 0x0008 */ struct _XSAVE_VENDOR Vendor[1];
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} XSAVE_VENDORS, *PXSAVE_VENDORS; /* size: 0x0040 */
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typedef struct _XSAVE_FEATURE
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{
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/* 0x0000 */ unsigned long FeatureId;
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union
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{
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/* 0x0008 */ struct _XSAVE_VENDORS* Vendors;
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/* 0x0008 */ unsigned __int64 Unused;
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}; /* size: 0x0008 */
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} XSAVE_FEATURE, *PXSAVE_FEATURE; /* size: 0x0010 */
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typedef struct _XSAVE_POLICY
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{
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/* 0x0000 */ unsigned long Version;
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/* 0x0004 */ unsigned long Size;
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/* 0x0008 */ unsigned long Flags;
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/* 0x000c */ unsigned long MaxSaveAreaLength;
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/* 0x0010 */ unsigned __int64 FeatureBitmask;
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/* 0x0018 */ unsigned long NumberOfFeatures;
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/* 0x0020 */ struct _XSAVE_FEATURE Features[1];
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} XSAVE_POLICY, *PXSAVE_POLICY; /* size: 0x0030 */
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PCHAR featureName[] =
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{
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"XSTATE_LEGACY_FLOATING_POINT",
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"XSTATE_LEGACY_SSE",
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"XSTATE_AVX",
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"XSTATE_MPX_BNDREGS",
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"XSTATE_MPX_BNDCSR",
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"XSTATE_AVX512_KMASK",
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"XSTATE_AVX512_ZMM_H",
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"XSTATE_AVX512_ZMM",
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"XSTATE_IPT",
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"XSTATE_PKRU",
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"XSTATE_UNKNOWN",
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"XSTATE_CET_U",
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};
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int main()
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{
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UINT res;
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WCHAR filePath[MAX_PATH];
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HMODULE handle;
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HRSRC resource;
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HGLOBAL hResource;
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PXSAVE_POLICY policy;
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PXSAVE_VENDORS xsaveVendors;
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PXSAVE_CPU_INFO cpuInfo;
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PXSAVE_CPU_ERRATA cpuErrata;
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//
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// Build the path and load hwpolicy.sys
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//
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res = GetSystemDirectory(filePath, sizeof(filePath));
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if (res == 0)
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{
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printf("Failed to get system directory. Error: %d\n", GetLastError());
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return 1;
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}
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wcscat_s(filePath, _countof(filePath), L"\\drivers\\hwpolicy.sys");
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handle = LoadLibraryEx(filePath, NULL, LOAD_LIBRARY_AS_IMAGE_RESOURCE);
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if (handle == NULL)
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{
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printf("Failed loading hwpolicy.sys. Error: %d\n", GetLastError());
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return 1;
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}
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//
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// Load the resource that contains the errata information
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//
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resource = FindResource(handle, MAKEINTRESOURCE(1), MAKEINTRESOURCE(101));
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if (resource == NULL)
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{
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printf("Failed finding resource. Error: %d\n", GetLastError());
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return 1;
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}
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hResource = LoadResource(handle, resource);
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if (hResource == NULL)
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{
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printf("Failed loading resource. Error: %d\n", GetLastError());
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return 1;
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}
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policy = (PXSAVE_POLICY)LockResource(hResource);
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printf("Xsave policy: %p\n", policy);
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printf("Version: 0x%x\n", policy->Version);
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printf("Size: 0x%x\n", policy->Size);
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printf("Flags: 0x%x\n", policy->Flags);
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printf("MaxSaveAreaLength: 0x%x\n", policy->MaxSaveAreaLength);
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printf("FeatureBitmask: 0x%llx\n", policy->FeatureBitmask);
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printf("NumberOfFeatures: %d\n", policy->NumberOfFeatures);
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printf("\nFeatures:\n");
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for (ULONG i = 0; i < policy->NumberOfFeatures; i++)
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{
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printf("\tFeatureId: %d (%s)\n",
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policy->Features[i].FeatureId,
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policy->Features[i].FeatureId < _countof(featureName) ?
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featureName[policy->Features[i].FeatureId] :
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"UNKNOWN");
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if (policy->Features[i].Unused == 0)
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{
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continue;
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}
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printf("\tVendors:\n");
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xsaveVendors = (PXSAVE_VENDORS)(policy->Features[i].Unused + (ULONG_PTR)policy);
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printf("\tNumber of vendors: %d\n", xsaveVendors->NumberOfVendors);
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for (ULONG j = 0; j < xsaveVendors->NumberOfVendors; j++)
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{
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printf("\t\tVendor Id: %s\n", (PCHAR)xsaveVendors->Vendor[j].VendorId);
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printf("\t\tCpu Info:\n");
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cpuInfo = &xsaveVendors->Vendor[j].SupportedCpu.CpuInfo;
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printf("\t\t\tProcessor: %x\n", cpuInfo->Processor);
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printf("\t\t\tFamily: %x\n", cpuInfo->Family);
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printf("\t\t\tModel: %x\n", cpuInfo->Model);
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printf("\t\t\tStepping: %x\n", cpuInfo->Stepping);
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printf("\t\t\tExtended model: %x\n", cpuInfo->ExtendedModel);
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printf("\t\t\tExtended family: %x\n", cpuInfo->ExtendedFamily);
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printf("\t\t\tMicrocode version: %llx\n", cpuInfo->MicrocodeVersion);
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printf("\n");
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if (xsaveVendors->Vendor[j].SupportedCpu.Unused == 0)
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{
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continue;
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}
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printf("\t\tCpu Errata:\n");
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cpuErrata = (PXSAVE_CPU_ERRATA)(xsaveVendors->Vendor[j].SupportedCpu.Unused + (ULONG_PTR)policy);
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printf("\t\tNumber of errata: %d\n", cpuErrata->NumberOfErrata);
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for (ULONG n = 0; n <cpuErrata->NumberOfErrata; n++)
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{
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cpuInfo = &cpuErrata->Errata[n];
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printf("\t\t\tProcessor: %x\n", cpuInfo->Processor);
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printf("\t\t\tFamily: %x\n", cpuInfo->Family);
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printf("\t\t\tModel: %x\n", cpuInfo->Model);
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printf("\t\t\tStepping: %x\n", cpuInfo->Stepping);
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printf("\t\t\tExtended model: %x\n", cpuInfo->ExtendedModel);
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printf("\t\t\tExtended family: %x\n", cpuInfo->ExtendedFamily);
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printf("\t\t\tMicrocode version: %llx\n", cpuInfo->MicrocodeVersion);
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printf("\n");
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}
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printf("\n");
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}
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}
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UnlockResource(hResource);
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FreeLibrary(handle);
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return 0;
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}
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Reference in New Issue
Block a user