/// <summary>
/// Performs stage specific processing on the compiler context.
/// </summary>
void IAssemblyCompilerStage.Run()
{
if (!secondStage)
{
IntPtr entryPoint = WriteMultibootEntryPoint();
WriteMultibootHeader(entryPoint);
secondStage = true;
}
else
{
ITypeInitializerSchedulerStage typeInitializerSchedulerStage = this.compiler.Pipeline.FindFirst <ITypeInitializerSchedulerStage>();
SigType I4 = new SigType(CilElementType.I4);
RegisterOperand ecx = new RegisterOperand(I4, GeneralPurposeRegister.ECX);
RegisterOperand eax = new RegisterOperand(I4, GeneralPurposeRegister.EAX);
RegisterOperand ebx = new RegisterOperand(I4, GeneralPurposeRegister.EBX);
InstructionSet instructionSet = new InstructionSet(16);
Context ctx = new Context(instructionSet, -1);
ctx.AppendInstruction(CPUx86.Instruction.MovInstruction, ecx, new ConstantOperand(I4, 0x200000));
ctx.AppendInstruction(CPUx86.Instruction.MovInstruction, new MemoryOperand(I4, ecx.Register, new IntPtr(0x0)), eax);
ctx.AppendInstruction(CPUx86.Instruction.MovInstruction, new MemoryOperand(I4, ecx.Register, new IntPtr(0x4)), ebx);
SymbolOperand entryPoint = SymbolOperand.FromMethod(typeInitializerSchedulerStage.Method);
ctx.AppendInstruction(CPUx86.Instruction.CallInstruction, null, entryPoint);
ctx.AppendInstruction(CPUx86.Instruction.RetInstruction);
LinkerGeneratedMethod method = LinkTimeCodeGenerator.Compile(this.compiler, @"MultibootInit", instructionSet, typeSystem);
this.linker.EntryPoint = this.linker.GetSymbol(method.ToString());
}
}
/// <summary>
/// Performs stage specific processing on the compiler context.
/// </summary>
/// <param name="compiler">The compiler context to perform processing in.</param>
public void Run(AssemblyCompiler compiler)
{
_ctx.AppendInstruction(IR.Instruction.CallInstruction);
_ctx.InvokeTarget = compiler.Assembly.EntryPoint;
_ctx.AppendInstruction(IR.Instruction.EpilogueInstruction);
_ctx.Other = 0;
_method = LinkTimeCodeGenerator.Compile(compiler, @"AssemblyInit", InstructionSet);
}
/// <summary>
/// Performs stage specific processing on the compiler context.
/// </summary>
void IAssemblyCompilerStage.Run()
{
ITypeModule mainTypeModule = typeSystem.MainTypeModule;
if (mainTypeModule.MetadataModule.EntryPoint.RID != 0)
{
RuntimeMethod entrypoint = mainTypeModule.GetMethod(mainTypeModule.MetadataModule.EntryPoint);
Schedule(entrypoint);
}
ctx.AppendInstruction(IR.Instruction.EpilogueInstruction);
ctx.Other = 0;
method = LinkTimeCodeGenerator.Compile(compiler, @"AssemblyInit", instructionSet, typeSystem);
}
/// <summary>
/// Creates the ISR methods.
/// </summary>
private void CreateISRMethods()
{
// Get RuntimeMethod for the Mosa.Kernel.x86.IDT.InterruptHandler
RuntimeType rt = typeSystem.GetType(@"Mosa.Kernel.x86.IDT");
if (rt == null)
{
return;
}
RuntimeMethod InterruptMethod = FindMethod(rt, "InterruptHandler");
if (InterruptMethod == null)
{
return;
}
SymbolOperand interruptMethod = SymbolOperand.FromMethod(InterruptMethod);
SigType I1 = new SigType(CilElementType.I1);
SigType I4 = new SigType(CilElementType.I4);
RegisterOperand esp = new RegisterOperand(I4, GeneralPurposeRegister.ESP);
for (int i = 0; i <= 255; i++)
{
InstructionSet set = new InstructionSet(100);
Context ctx = new Context(set, -1);
ctx.AppendInstruction(CPUx86.Instruction.CliInstruction);
if (i <= 7 || i >= 16 | i == 9) // For IRQ 8, 10, 11, 12, 13, 14 the cpu automatically pushed the error code
{
ctx.AppendInstruction(CPUx86.Instruction.PushInstruction, null, new ConstantOperand(I1, 0x0));
}
ctx.AppendInstruction(CPUx86.Instruction.PushInstruction, null, new ConstantOperand(I1, (byte)i));
ctx.AppendInstruction(CPUx86.Instruction.PushadInstruction);
ctx.AppendInstruction(CPUx86.Instruction.CallInstruction, null, interruptMethod);
ctx.AppendInstruction(CPUx86.Instruction.PopadInstruction);
ctx.AppendInstruction(CPUx86.Instruction.AddInstruction, esp, new ConstantOperand(I4, 0x08));
ctx.AppendInstruction(CPUx86.Instruction.StiInstruction);
ctx.AppendInstruction(CPUx86.Instruction.IRetdInstruction);
//LinkerGeneratedMethod method =
LinkTimeCodeGenerator.Compile(this.compiler, @"InterruptISR" + i.ToString(), set, typeSystem);
}
}
/// <summary>
/// Performs stage specific processing on the compiler context.
/// </summary>
/// <param name="compiler">The compiler context to perform processing in.</param>
public void Run(AssemblyCompiler compiler)
{
if (compiler == null)
{
throw new ArgumentNullException(@"compiler");
}
IAssemblyLinker linker = compiler.Pipeline.Find <IAssemblyLinker>();
Debug.Assert(linker != null, @"No linker??");
if (!secondStage)
{
IntPtr entryPoint = WriteMultibootEntryPoint(linker);
WriteMultibootHeader(compiler, linker, entryPoint);
secondStage = true;
}
else
{
TypeInitializerSchedulerStage typeInitializerSchedulerStage = compiler.Pipeline.Find <TypeInitializerSchedulerStage>();
SigType I4 = new SigType(CilElementType.I4);
RegisterOperand ecx = new RegisterOperand(I4, GeneralPurposeRegister.ECX);
RegisterOperand eax = new RegisterOperand(I4, GeneralPurposeRegister.EAX);
RegisterOperand ebx = new RegisterOperand(I4, GeneralPurposeRegister.EBX);
InstructionSet instructionSet = new InstructionSet(16);
Context ctx = new Context(instructionSet, -1);
ctx.AppendInstruction(CPUx86.Instruction.MovInstruction, ecx, new ConstantOperand(I4, 0x200000));
ctx.AppendInstruction(CPUx86.Instruction.MovInstruction, new MemoryOperand(I4, ecx.Register, new IntPtr(0x0)), eax);
ctx.AppendInstruction(CPUx86.Instruction.MovInstruction, new MemoryOperand(I4, ecx.Register, new IntPtr(0x4)), ebx);
ctx.AppendInstruction(IR.Instruction.CallInstruction);
ctx.InvokeTarget = typeInitializerSchedulerStage.Method;
ctx.AppendInstruction(CPUx86.Instruction.NopInstruction);
ctx.AppendInstruction(CPUx86.Instruction.NopInstruction);
ctx.AppendInstruction(CPUx86.Instruction.RetInstruction);
CompilerGeneratedMethod method = LinkTimeCodeGenerator.Compile(compiler, @"MultibootInit", instructionSet);
linker.EntryPoint = linker.GetSymbol(method);
}
}
