mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-20 04:48:53 +00:00
480 lines
No EOL
21 KiB
C#
480 lines
No EOL
21 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Cosmos.Kernel.Boot.Glue;
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using Indy.IL2CPU.Assembler;
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using Indy.IL2CPU.IL.X86.Native.CustomImplementations.System;
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using Indy.IL2CPU.IL.X86.Native.CustomImplementations.System.Diagnostics;
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using Mono.Cecil;
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using Mono.Cecil.Cil;
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using CPU = Indy.IL2CPU.Assembler.X86;
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using CPUNative = Indy.IL2CPU.Assembler.X86.Native;
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namespace Indy.IL2CPU.IL.X86.Native {
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public class NativeOpCodeMap: X86.X86OpCodeMap {
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internal static NativeOpCodeMap Instance;
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public override void Initialize(Indy.IL2CPU.Assembler.Assembler aAssembler, IEnumerable<AssemblyDefinition> aProjectAssemblies, Func<TypeReference, TypeDefinition> aTypeResolver, Func<string, AssemblyDefinition> aAssemblyResolver) {
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base.Initialize(aAssembler, aProjectAssemblies, aTypeResolver, aAssemblyResolver);
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base.mMap[Code.Call] = typeof(Call);
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}
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public NativeOpCodeMap() {
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Instance = this;
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}
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public MethodDefinition GetGlueMethod(GlueMethodTypeEnum aMethodType) {
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CheckGlueMethod();
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if (!mGlueMethods.ContainsKey(aMethodType)) {
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throw new Exception("GlueMethod '" + aMethodType.ToString() + "' not implemented!");
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}
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MethodDefinition xResult = mGlueMethods[aMethodType];
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Engine.QueueMethod(xResult);
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return xResult;
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}
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public MethodDefinition GetGluePlaceholderMethod(GluePlaceholderMethodTypeEnum aMethodType) {
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CheckGluePlaceholderMethod();
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if (!mGluePlaceholderMethods.ContainsKey(aMethodType)) {
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throw new Exception("GluePlaceholderMethod '" + aMethodType.ToString() + "' not implemented!");
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}
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return mGluePlaceholderMethods[aMethodType];
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}
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public FieldDefinition GetGlueField(GlueFieldTypeEnum aFieldType) {
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CheckGlueField();
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if (!mGlueFields.ContainsKey(aFieldType)) {
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throw new Exception("GlueField '" + aFieldType.ToString() + "' not found!");
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}
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return mGlueFields[aFieldType];
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}
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protected override Type GetCustomMethodImplementationOp() {
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return typeof(NativeCustomMethodImplementationOp);
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}
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protected override Type GetMethodFooterOp() {
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return typeof(NativeMethodFooterOp);
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}
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protected override Type GetMainEntryPointOp() {
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return typeof(NativeMainEntryMethodOp);
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}
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protected override Type GetMethodHeaderOp() {
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return typeof(NativeMethodHeaderOp);
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}
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private SortedList<GlueMethodTypeEnum, MethodDefinition> mGlueMethods;
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private SortedList<GluePlaceholderMethodTypeEnum, MethodDefinition> mGluePlaceholderMethods;
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private SortedList<GlueFieldTypeEnum, FieldDefinition> mGlueFields;
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private void CheckGlueMethod() {
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if (mGlueMethods != null) {
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return;
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}
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mGlueMethods = new SortedList<GlueMethodTypeEnum, MethodDefinition>();
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AssemblyDefinition xCrawledAsm = Engine.GetCrawledAssembly();
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foreach (ModuleDefinition xModule in xCrawledAsm.Modules) {
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foreach (TypeDefinition xType in xModule.Types) {
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foreach (MethodDefinition xMethod in xType.Methods) {
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IEnumerable<CustomAttribute> xAttribs = (from item in xMethod.CustomAttributes.Cast<CustomAttribute>()
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where item.Constructor.DeclaringType.FullName == typeof(GlueMethodAttribute).FullName
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select item);
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if (xAttribs == null || xAttribs.Count() == 0) {
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continue;
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}
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foreach (CustomAttribute xAttrib in xAttribs) {
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if (!xAttrib.Resolved) {
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if (!xAttrib.Resolve()) {
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throw new Exception("Couldn't resolve attribute on method '" + xMethod.GetFullName());
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}
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}
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mGlueMethods.Add((GlueMethodTypeEnum)xAttrib.Properties["MethodType"], xMethod);
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}
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}
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}
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}
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}
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private void CheckGluePlaceholderMethod() {
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if (mGluePlaceholderMethods != null) {
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return;
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}
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mGluePlaceholderMethods = new SortedList<GluePlaceholderMethodTypeEnum, MethodDefinition>();
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AssemblyDefinition xCrawledAsm = Engine.GetCrawledAssembly();
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foreach (ModuleDefinition xModule in xCrawledAsm.Modules) {
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foreach (TypeDefinition xType in xModule.Types) {
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foreach (MethodDefinition xMethod in xType.Methods) {
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CustomAttribute xAttrib = (from item in xMethod.CustomAttributes.Cast<CustomAttribute>()
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where item.Constructor.DeclaringType.FullName == typeof(GluePlaceholderMethodAttribute).FullName
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select item).FirstOrDefault();
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if (xAttrib == null) {
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continue;
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}
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if (!xAttrib.Resolved) {
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if (!xAttrib.Resolve()) {
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throw new Exception("Couldn't resolve attribute on method '" + xMethod.GetFullName());
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}
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}
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mGluePlaceholderMethods.Add((GluePlaceholderMethodTypeEnum)xAttrib.Properties["MethodType"], xMethod);
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}
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}
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}
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}
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private void CheckGlueField() {
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if (mGlueFields != null) {
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return;
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}
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mGlueFields = new SortedList<GlueFieldTypeEnum, FieldDefinition>();
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AssemblyDefinition xCrawledAsm = Engine.GetCrawledAssembly();
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foreach (ModuleDefinition xModule in xCrawledAsm.Modules) {
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foreach (TypeDefinition xType in xModule.Types) {
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foreach (FieldDefinition xFieldDefinition in xType.Fields) {
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CustomAttribute xAttrib = (from item in xFieldDefinition.CustomAttributes.Cast<CustomAttribute>()
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where item.Constructor.DeclaringType.FullName == typeof(GlueFieldAttribute).FullName
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select item).FirstOrDefault();
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if (xAttrib == null) {
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continue;
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}
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if (!xAttrib.Resolved) {
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if (!xAttrib.Resolve()) {
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throw new Exception("Couldn't resolve attribute on method '" + xFieldDefinition.GetFullName());
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}
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}
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if (mGlueFields.ContainsKey((GlueFieldTypeEnum)xAttrib.Properties["FieldType"])) {
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throw new Exception("GlueField of type '" + ((GlueFieldTypeEnum)xAttrib.Properties["FieldType"]).ToString() + "' already found!");
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}
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mGlueFields.Add((GlueFieldTypeEnum)xAttrib.Properties["FieldType"], xFieldDefinition);
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}
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}
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}
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}
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protected override IList<AssemblyDefinition> GetPlugAssemblies() {
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IList<AssemblyDefinition> xResult = base.GetPlugAssemblies();
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xResult.Add(AssemblyFactory.GetAssembly(typeof (NativeOpCodeMap).Assembly.Location));
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return xResult;
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}
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public override MethodReference GetCustomMethodImplementation_Old(string aOrigMethodName, bool aInMetalMode) {
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switch (aOrigMethodName) {
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case "System_Void___System_Diagnostics_Debug_WriteLine___System_String___": {
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return GetGlueMethod(GlueMethodTypeEnum.Debug_WriteLine);
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}
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case "System_Void___System_Diagnostics_Debug_Write___System_String___": {
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return GetGlueMethod(GlueMethodTypeEnum.Debug_Write);
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}
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case "System_Void___System_Diagnostics_Debug_WriteLineIf___System_Boolean__System_String___": {
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return DebugImplRefs.WriteLineIfRef;
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}
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case "System_Void___Indy_IL2CPU_RuntimeEngine_InitializeEngine____": {
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return RuntimeEngineImplRefs.InitializeEngineRef;
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}
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case "System_Void___Indy_IL2CPU_RuntimeEngine_FinalizeEngine____": {
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return RuntimeEngineImplRefs.FinalizeEngineRef;
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}
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case "System_UInt32___Indy_IL2CPU_RuntimeEngine_Heap_AllocNewObject___System_UInt32___": {
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return GetGlueMethod(GlueMethodTypeEnum.Heap_MemAlloc);
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}
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default:
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return base.GetCustomMethodImplementation_Old(aOrigMethodName, aInMetalMode);
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}
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}
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public override bool HasCustomAssembleImplementation(MethodInformation aMethodInfo, bool aInMetalMode) {
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switch (aMethodInfo.LabelName) {
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case "System_Byte___Indy_IL2CPU_IL_X86_CustomImplementations_System_StringImpl_GetByteFromChar___System_Char___": {
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if (aInMetalMode) {
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return true;
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}
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break;
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}
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case "System_Void___Indy_IL2CPU_IL_X86_Native_RuntimeEngineImpl_IDT_LoadArray____": {
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return true;
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}
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case "System_Void___Indy_IL2CPU_IL_X86_Native_RuntimeEngineImpl_IDT_RegisterIDT____": {
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return true;
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}
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case "System_Void___Indy_IL2CPU_IL_X86_Native_RuntimeEngineImpl_GDT_LoadArray____": {
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return true;
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}
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case "System_Void___Indy_IL2CPU_IL_X86_Native_RuntimeEngineImpl_GDT_RegisterGDT____": {
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return true;
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}
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case "System_Void___Indy_IL2CPU_RuntimeEngine_Heap_Initialize____": {
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return true;
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}
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case "System_Void___System_Diagnostics_Debugger_Break____": {
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return true;
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}
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case "System_Void___Indy_IL2CPU_IL_X86_Native_RuntimeEngineImpl_IO_WriteToPort___System_UInt16__System_Byte__": {
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return true;
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}
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case "System_Byte___Indy_IL2CPU_IL_X86_Native_RuntimeEngineImpl_IO_ReadFromPort___System_UInt16__": {
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return true;
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}
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case "System_Void___Cosmos_Kernel_ConsoleDrv_TestIDT____": {
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return true;
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}
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default: {
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CheckGluePlaceholderMethod();
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GluePlaceholderMethodTypeEnum? xMethodType = null;
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return (from item in mGluePlaceholderMethods.Keys
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where Label.GenerateLabelName(mGluePlaceholderMethods[item]) == aMethodInfo.LabelName
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select item).Count() > 0;
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}
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}
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return base.HasCustomAssembleImplementation(aMethodInfo, aInMetalMode);
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}
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public override void DoCustomAssembleImplementation(bool aInMetalMode, Assembler.Assembler aAssembler, MethodInformation aMethodInfo) {
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switch (aMethodInfo.LabelName) {
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case "System_Byte___Indy_IL2CPU_IL_X86_CustomImplementations_System_StringImpl_GetByteFromChar___System_Char___": {
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if (aInMetalMode) {
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DoAssemble_String_GetByteFromChar(aAssembler, aMethodInfo);
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return;
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}
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break;
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}
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case "System_Void___Indy_IL2CPU_RuntimeEngine_Heap_Initialize____": {
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return;
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}
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case "System_Void___System_Diagnostics_Debugger_Break____": {
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//aAssembler.Add(new Literal("xchg bx, bx"));
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return;
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}
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default: {
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CheckGluePlaceholderMethod();
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GluePlaceholderMethodTypeEnum? xMethodType = null;
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foreach (GluePlaceholderMethodTypeEnum xTheMethodType in mGluePlaceholderMethods.Keys) {
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if (Label.GenerateLabelName(mGluePlaceholderMethods[xTheMethodType]) == aMethodInfo.LabelName) {
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xMethodType = xTheMethodType;
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break;
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}
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}
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if (xMethodType != null) {
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AssembleGluePlaceholderMethod(xMethodType.Value, aAssembler, aMethodInfo);
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}
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break;
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}
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}
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base.DoCustomAssembleImplementation(aInMetalMode, aAssembler, aMethodInfo);
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}
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private void AssembleGluePlaceholderMethod(GluePlaceholderMethodTypeEnum aMethodType, Assembler.Assembler aAssembler, MethodInformation aMethodInfo) {
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switch (aMethodType) {
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case GluePlaceholderMethodTypeEnum.GDT_LoadArray: {
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FieldDefinition xFieldDef = GetGlueField(GlueFieldTypeEnum.GDT_Array);
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string xFieldName = Assembler.DataMember.GetStaticFieldName(xFieldDef);
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string xFieldData = "0,0,0,0,";
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xFieldData += BitConverter.GetBytes((uint)InstanceTypeEnum.StaticEmbeddedArray).Aggregate("", (b, r) => r + b + ",");
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xFieldData += "3,0,0,0,";
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for (int i = 0; i < 3; i++) {
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xFieldData += ",0,0,0,0,0,0,0,0";
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}
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DataMember xDataItem = (from item in aAssembler.DataMembers
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where item.Name == xFieldName
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select item).FirstOrDefault();
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aAssembler.DataMembers.Remove(xDataItem);
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aAssembler.DataMembers.Add(new DataMember(xFieldName, "dd", xFieldName));
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aAssembler.DataMembers.Add(new DataMember(xFieldName + "___Contents", "db", xFieldData));
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xFieldDef = GetGlueField(GlueFieldTypeEnum.GDT_Pointer);
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string xPointerFieldName;
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Engine.QueueStaticField(xFieldDef, out xPointerFieldName);
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new CPU.Move("eax", xPointerFieldName);
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new CPU.Move("word [eax]", "0x" + ((8 * 3) - 1).ToString("X"));
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new CPU.Move("ecx", "[" + xFieldName + "]");
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new CPU.Add("ecx", "0xC");
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new CPU.Move("dword [eax + 2]", "ecx");
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break;
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}
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case GluePlaceholderMethodTypeEnum.GDT_Register: {
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FieldDefinition xFieldDef = GetGlueField(GlueFieldTypeEnum.GDT_Pointer);
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string xPointerFieldName;
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Engine.QueueStaticField(xFieldDef, out xPointerFieldName);
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new CPU.Move("eax", xPointerFieldName);
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new CPUNative.Lgdt("[eax]");
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new CPU.Move("eax", "0x10");
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new CPU.Move("ds", "ax");
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new CPU.Move("es", "ax");
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new CPU.Move("fs", "ax");
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new CPU.Move("gs", "ax");
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new CPU.Move("ss", "ax");
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new CPU.JumpAlways("0x8:flush____gdt______table__part1");
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new Label("flush____gdt______table__part1");
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break;
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}
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case GluePlaceholderMethodTypeEnum.IDT_LoadArray: {
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MethodDefinition xTheMethod = GetGlueMethod(GlueMethodTypeEnum.IDT_SetHandler);
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Engine.QueueMethod(xTheMethod);
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mIDTSetHandlerMethodName = Label.GenerateLabelName(xTheMethod);
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FieldDefinition xFieldDef = GetGlueField(GlueFieldTypeEnum.IDT_Array);
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string xFieldName = Assembler.DataMember.GetStaticFieldName(xFieldDef);
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string xFieldData = "0,0,0,0,";
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xFieldData += BitConverter.GetBytes((uint)InstanceTypeEnum.StaticEmbeddedArray).Aggregate("", (b, r) => r + b + ",");
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xFieldData += "1,0,0,0";
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for (int i = 0; i < 256; i++) {
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xFieldData += ",0,0,0,0,0,0,0,0";
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}
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DataMember xDataItem = (from item in aAssembler.DataMembers
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where item.Name == xFieldName
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select item).FirstOrDefault();
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aAssembler.DataMembers.Remove(xDataItem);
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aAssembler.DataMembers.Add(new DataMember(xFieldName, "dd", xFieldName + "___Contents"));
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aAssembler.DataMembers.Add(new DataMember(xFieldName + "___Contents", "db", xFieldData));
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xFieldDef = GetGlueField(GlueFieldTypeEnum.IDT_Pointer);
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string xPointerFieldName;
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Engine.QueueStaticField(xFieldDef, out xPointerFieldName);
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new CPU.Move("eax", xPointerFieldName);
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new CPU.Move("word [eax]", "0x" + ((8 * 256) - 1).ToString("X"));
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new CPU.Move("ecx", xFieldName + "___Contents");
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new CPU.Add("ecx", "0xC");
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new CPU.Move("dword [eax + 2]", "ecx");
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break;
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}
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case GluePlaceholderMethodTypeEnum.IDT_Register: {
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FieldDefinition xFieldDef = GetGlueField(GlueFieldTypeEnum.IDT_Pointer);
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string xPointerFieldName;
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Engine.QueueStaticField(xFieldDef, out xPointerFieldName);
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MethodDefinition xTheMethod = GetGlueMethod(GlueMethodTypeEnum.IDT_SetHandler);
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Engine.QueueMethod(xTheMethod);
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mIDTSetHandlerMethodName = Label.GenerateLabelName(xTheMethod);
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new CPU.Call("___________REGISTER___ISRS_____");
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new CPU.Move("eax", xPointerFieldName);
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new CPUNative.Lidt("eax");
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GetGlueMethod(GlueMethodTypeEnum.IDT_InterruptHandler);
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break;
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}
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case GluePlaceholderMethodTypeEnum.IO_ReadByte: {
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new CPU.Xor("eax", "eax");
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IL.X86.Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
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new CPU.Pop("edx");
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new CPU.Move("eax", "0");
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new CPUNative.In("al", "dx");
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new CPU.Push("eax");
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break;
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}
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case GluePlaceholderMethodTypeEnum.IO_WriteByte: {
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Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
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new CPU.Pop("edx");
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Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[1]);
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new CPU.Pop("eax");
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new CPUNative.Out("dx", "al");
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break;
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}
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case GluePlaceholderMethodTypeEnum.IDT_EnableInterrupts: {
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new CPUNative.Sti();
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break;
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}
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case GluePlaceholderMethodTypeEnum.GetKernelResource: {
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new CPUNative.Break();
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break;
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}
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default:
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throw new NotImplementedException("GluePlaceholderMethod '" + aMethodType.ToString() + "' not implemented!");
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}
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}
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private string mIDTSetHandlerMethodName;
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private static void DoAssemble_String_GetByteFromChar(Assembler.Assembler aAssembler, MethodInformation aMethodInfo) {
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X86.Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
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}
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public override void PostProcess(Indy.IL2CPU.Assembler.Assembler aAssembler) {
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base.PostProcess(aAssembler);
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// TypeDefinition xRuntimeEngineTypeDef = Engine.GetTypeDefinition(typeof(RuntimeEngineImpl).Assembly.GetName().Name, typeof(RuntimeEngineImpl).FullName);
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// MethodDefinition xTheMethod = GetGlueMethod(GlueMethodTypeEnum.IDT_SetHandler);
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// Engine.QueueMethod(xTheMethod);
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// mIDTSetHandlerMethodName = Label.GenerateLabelName(xTheMethod);
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// Console.WriteLine("IDTEntry size = {0}", Engine.GetFieldStorageSize(Engine.GetTypeDefinition(typeof(Cosmos.Kernel.Boot.Glue.IDTEntryStruct).Assembly.GetName().Name, typeof(Cosmos.Kernel.Boot.Glue.IDTEntryStruct).FullName)));
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// X86.X86MethodHeaderOp.AssembleHeader(aAssembler, "___________REGISTER___ISRS_____", new int[0], new MethodInformation.Argument[0]);
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// string xInterruptHandlerLabel = Label.GenerateLabelName(GetGlueMethod(GlueMethodTypeEnum.IDT_InterruptHandler));
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// int[] xInterruptsWithParam = new int[] { 8, 10, 11, 12, 13, 14 };
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// for (int i = 0; i < 256; i++) {
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// new CPU.Pushd("0x" + i.ToString("X"));
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// new CPU.Pushd("____INTERRUPT_HANDLER___" + i);
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// new CPU.Pushd("0x08");
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// new CPU.Pushd("0x8E");
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// new CPU.Call(mIDTSetHandlerMethodName);
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// }
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// X86.X86MethodFooterOp.AssembleFooter(0, aAssembler, new MethodInformation.Variable[0], new MethodInformation.Argument[0], 0);
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// for (int j = 0; j < 256; j++) {
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// new Label("____INTERRUPT_HANDLER___" + j);
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// new CPUNative.Cli();
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// new CPUNative.Break();
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// new CPUNative.Pushad();
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// new CPU.Pushd(j.ToString());
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// if (!xInterruptsWithParam.Contains(j)/* && !(j >= 0x20 && j <= 0x2F)*/) {
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// new CPU.Pushd("0");
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// }
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// new CPU.Call(xInterruptHandlerLabel);
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// new CPUNative.Popad();
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// new CPUNative.Break();
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// new CPUNative.Sti();
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// new CPUNative.IRet();
|
|
// }
|
|
// IEnumerable<AssemblyDefinition> xAssemblies = Engine.GetAllAssemblies();
|
|
// SortedList<int, byte[]> xResources = new SortedList<int, byte[]>();
|
|
// foreach (AssemblyDefinition xAssembly in xAssemblies) {
|
|
// foreach (CustomAttribute xAttrib in xAssembly.CustomAttributes) {
|
|
// if (!xAttrib.Resolved) {
|
|
// xAttrib.Resolve();
|
|
// }
|
|
// }
|
|
// IEnumerable<KeyValuePair<int, string>> xWantedResources = (from item in xAssembly.CustomAttributes.Cast<CustomAttribute>()
|
|
// where item.Constructor.DeclaringType.FullName == typeof(KernelResourceAttribute).FullName
|
|
// select new KeyValuePair<int, string>((int)item.ConstructorParameters[1],
|
|
// (string)item.ConstructorParameters[0]));
|
|
// foreach (KeyValuePair<int, string> xWantedResource in xWantedResources) {
|
|
// foreach (ModuleDefinition xModule in xAssembly.Modules) {
|
|
// foreach (Resource xResource in xModule.Resources) {
|
|
// if (xResource.Name == xWantedResource.Value) {
|
|
// EmbeddedResource xEmbedded = xResource as EmbeddedResource;
|
|
// if (xEmbedded == null) {
|
|
// throw new Exception("Resource found but was not an embedded resource (Resource Name = '" + xWantedResource.Value + "')");
|
|
// }
|
|
// xResources.Add(xWantedResource.Key, xEmbedded.Data);
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
// StringBuilder xValue = new StringBuilder();
|
|
// DataMember xDataMember;
|
|
// for (int i = 0; i < xResources.Count; i++) {
|
|
// xValue.Remove(0, xValue.Length);
|
|
// xValue.Append("0,0,0,0,2,0,0,0,");
|
|
// xValue.Append(BitConverter.GetBytes(xResources.Values[i].Length).Aggregate("", (r, v) => r + v + ","));
|
|
// xValue.Append(xResources.Values[i].Aggregate("", (r, v) => r + v + ","));
|
|
// xDataMember = new DataMember("embedded_resource_" + xResources.Keys[i] + "_contents", "db", xValue.ToString().TrimEnd(','));
|
|
// aAssembler.DataMembers.Add(xDataMember);
|
|
// }
|
|
// MethodDefinition xGetResourceMethod = GetGluePlaceholderMethod(GluePlaceholderMethodTypeEnum.GetKernelResource);
|
|
// MethodInformation xGetResourceMethodInfo = Engine.GetMethodInfo(xGetResourceMethod, xGetResourceMethod, xGetResourceMethod.Name, null);
|
|
// string xGetResourceLabelName = Label.GenerateLabelName(xGetResourceMethod);
|
|
// for (int i = 0; i < aAssembler.Instructions.Count; i++) {
|
|
// if ((aAssembler.Instructions[i] is Label) && ((Label)aAssembler.Instructions[i]).Name == xGetResourceLabelName) {
|
|
// aAssembler.Instructions.RemoveRange(i, 10);
|
|
// break;
|
|
// }
|
|
// }
|
|
// NativeMethodHeaderOp.AssembleHeader(aAssembler, xGetResourceLabelName, new int[0], new MethodInformation.Argument[0]);
|
|
// Op.Ldarg(aAssembler, xGetResourceMethodInfo.Arguments[0]);
|
|
// new CPU.Pop("eax");
|
|
// foreach (int xId in xResources.Keys) {
|
|
// new CPU.Move("ecx", "0x" + xId.ToString("X"));
|
|
// new CPU.Compare("eax", "ecx");
|
|
// new CPU.JumpIfNotEquals(".__after__" + xId);
|
|
// new CPU.Push("embedded_resource_" + xId + "_contents");
|
|
// new CPU.JumpAlways(".END__OF__METHOD");
|
|
// new Label(".__after__" + xId);
|
|
// }
|
|
// NativeMethodFooterOp.AssembleFooter(4, aAssembler, new MethodInformation.Variable[0], new MethodInformation.Argument[0], 4);
|
|
}
|
|
}
|
|
} |