static void Main(string[] aArgs) { try { string xSrc = aArgs[0]; var xGenerator = new AsmGenerator(); //string[] xFiles; //if (Directory.Exists(xSrc)) //{ // xFiles = Directory.GetFiles(xSrc, "*.xs"); //} //else //{ // xFiles = new string[] { xSrc }; //} //foreach (var xFile in xFiles) //{ // xGenerator.GenerateToFiles(xFile); //} var xAsm = new Assembler(); var xStreamReader = new StringReader(@"namespace Test while byte ESI[0] != 0 { ! nop } "); var xResult = xGenerator.Generate(xStreamReader); Console.WriteLine("done"); } catch (Exception ex) { Console.WriteLine(ex.ToString()); Environment.Exit(1); } }
public void Initialize() { uint xSig = 0x1BADB002; DataMembers.Add(new DataIfNotDefined("ELF_COMPILATION")); DataMembers.Add(new DataMember("MultibootSignature", new uint[] { xSig })); uint xFlags = 0x10003; DataMembers.Add(new DataMember("MultibootFlags", xFlags)); DataMembers.Add(new DataMember("MultibootChecksum", (int)(0 - (xFlags + xSig)))); DataMembers.Add(new DataMember("MultibootHeaderAddr", ElementReference.New("MultibootSignature"))); DataMembers.Add(new DataMember("MultibootLoadAddr", ElementReference.New("MultibootSignature"))); DataMembers.Add(new DataMember("MultibootLoadEndAddr", ElementReference.New("_end_code"))); DataMembers.Add(new DataMember("MultibootBSSEndAddr", ElementReference.New("_end_code"))); DataMembers.Add(new DataMember("MultibootEntryAddr", ElementReference.New("Kernel_Start"))); DataMembers.Add(new DataEndIfDefined()); DataMembers.Add(new DataIfDefined("ELF_COMPILATION")); xFlags = 0x00003; DataMembers.Add(new DataMember("MultibootSignature", new uint[] { xSig })); DataMembers.Add(new DataMember("MultibootFlags", xFlags)); DataMembers.Add(new DataMember("MultibootChecksum", (int)(0 - (xFlags + xSig)))); DataMembers.Add(new DataEndIfDefined()); // graphics info fields DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeModeInfoAddr", Int32.MaxValue)); DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeControlInfoAddr", Int32.MaxValue)); DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeMode", Int32.MaxValue)); // memory DataMembers.Add(new DataMember("MultiBootInfo_Memory_High", 0)); DataMembers.Add(new DataMember("MultiBootInfo_Memory_Low", 0)); DataMembers.Add(new DataMember("Before_Kernel_Stack", new byte[0x50000])); DataMembers.Add(new DataMember("Kernel_Stack", new byte[0])); DataMembers.Add(new DataMember("MultiBootInfo_Structure", new uint[1])); // constants DataMembers.Add(new DataMember(@"__uint2double_const", new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x41 })); DataMembers.Add(new DataMember(@"__ulong2double_const", 0x5F800000)); DataMembers.Add(new DataMember(@"__doublesignbit", 0x8000000000000000)); DataMembers.Add(new DataMember(@"__floatsignbit", 0x80000000)); if (mComPort > 0) { new Define("DEBUGSTUB"); } // This is our first entry point. Multiboot uses this as Cosmos entry point. new Label("Kernel_Start", isGlobal: true); XS.Set(XSRegisters.ESP, "Kernel_Stack"); // Displays "Cosmos" in top left. Used to make sure Cosmos is booted in case of hang. // ie bootloader debugging. This must be the FIRST code, even before setup so we know // we are being called properly by the bootloader and that if there are problems its // somwhere in our code, not the bootloader. WriteDebugVideo("Cosmos pre boot"); // For when using Bochs, causes a break ASAP on entry after initial Cosmos display. //new LiteralAssemblerCode("xchg bx, bx"); // CLI ASAP WriteDebugVideo("Clearing interrupts."); XS.ClearInterruptFlag(); WriteDebugVideo("Begin multiboot info."); new LiteralAssemblerCode("%ifndef EXCLUDE_MULTIBOOT_MAGIC"); new Comment(this, "MultiBoot compliant loader provides info in registers: "); new Comment(this, "EBX=multiboot_info "); new Comment(this, "EAX=0x2BADB002 - check if it's really Multiboot-compliant loader "); new Comment(this, " ;- copy mb info - some stuff for you "); new Comment(this, "BEGIN - Multiboot Info"); new Mov { DestinationRef = ElementReference.New("MultiBootInfo_Structure"), DestinationIsIndirect = true, SourceReg = RegistersEnum.EBX }; XS.Add(XSRegisters.EBX, 4); XS.Set(XSRegisters.EAX, XSRegisters.EBX, sourceIsIndirect: true); new Mov { DestinationRef = ElementReference.New("MultiBootInfo_Memory_Low"), DestinationIsIndirect = true, SourceReg = RegistersEnum.EAX }; XS.Add(XSRegisters.EBX, 4); XS.Set(XSRegisters.EAX, XSRegisters.EBX, sourceIsIndirect: true); new Mov { DestinationRef = ElementReference.New("MultiBootInfo_Memory_High"), DestinationIsIndirect = true, SourceReg = RegistersEnum.EAX }; new Comment(this, "END - Multiboot Info"); new LiteralAssemblerCode("%endif"); WriteDebugVideo("Creating GDT."); CreateGDT(); WriteDebugVideo("Configuring PIC"); ConfigurePIC(); WriteDebugVideo("Creating IDT."); CreateIDT(); #if LFB_1024_8 new Comment("Set graphics fields"); XS.Mov(XSRegisters.EBX, Cosmos.Assembler.ElementReference.New("MultiBootInfo_Structure"), sourceIsIndirect: true); XS.Mov(XSRegisters.EAX, XSRegisters.EBX, sourceDisplacement: 72); new Move { DestinationRef = Cosmos.Assembler.ElementReference.New("MultibootGraphicsRuntime_VbeControlInfoAddr"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; XS.Mov(XSRegisters.EAX, XSRegisters.EBX, sourceDisplacement: 76); new Move { DestinationRef = Cosmos.Assembler.ElementReference.New("MultibootGraphicsRuntime_VbeModeInfoAddr"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; XS.Mov(XSRegisters.EAX, XSRegisters.EBX, sourceDisplacement: 80); new Move { DestinationRef = Cosmos.Assembler.ElementReference.New("MultibootGraphicsRuntime_VbeMode"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; #endif //WriteDebugVideo("Initializing SSE."); //new Comment(this, "BEGIN - SSE Init"); //// CR4[bit 9]=1, CR4[bit 10]=1, CR0[bit 2]=0, CR0[bit 1]=1 //XS.Mov(XSRegisters.EAX, XSRegisters.Registers.CR4); //XS.Or(XSRegisters.EAX, 0x100); //XS.Mov(XSRegisters.CR4, XSRegisters.Registers.EAX); //XS.Mov(XSRegisters.EAX, XSRegisters.Registers.CR4); //XS.Or(XSRegisters.EAX, 0x200); //XS.Mov(XSRegisters.CR4, XSRegisters.Registers.EAX); //XS.Mov(XSRegisters.EAX, XSRegisters.Registers.CR0); //XS.And(XSRegisters.EAX, 0xfffffffd); //XS.Mov(XSRegisters.CR0, XSRegisters.Registers.EAX); //XS.Mov(XSRegisters.EAX, XSRegisters.Registers.CR0); //XS.And(XSRegisters.EAX, 1); //XS.Mov(XSRegisters.CR0, XSRegisters.Registers.EAX); //new Comment(this, "END - SSE Init"); if (mComPort > 0) { WriteDebugVideo("Initializing DebugStub."); XS.Call("DebugStub_Init"); } // Jump to Kernel entry point WriteDebugVideo("Jumping to kernel."); XS.Call(EntryPointName); new Comment(this, "Kernel done - loop till next IRQ"); XS.Label(".loop"); XS.ClearInterruptFlag(); XS.Halt(); XS.Jump(".loop"); if (mComPort > 0) { var xGen = new AsmGenerator(); var xGenerateAssembler = new Action<object>(i => { if (i is StreamReader) { var xAsm = xGen.Generate((StreamReader)i); CurrentInstance.Instructions.AddRange(xAsm.Instructions); CurrentInstance.DataMembers.AddRange(xAsm.DataMembers); } else if (i is string) { var xAsm = xGen.Generate((string)i); CurrentInstance.Instructions.AddRange(xAsm.Instructions); CurrentInstance.DataMembers.AddRange(xAsm.DataMembers); } else { throw new Exception("Object type '" + i.ToString() + "' not supported!"); } }); if (ReadDebugStubFromDisk) { foreach (var xFile in Directory.GetFiles(CosmosPaths.DebugStubSrc, "*.xs")) { xGenerateAssembler(xFile); } } else { foreach (var xManifestName in typeof(ReferenceHelper).Assembly.GetManifestResourceNames()) { if (!xManifestName.EndsWith(".xs", StringComparison.OrdinalIgnoreCase)) { continue; } using (var xStream = typeof(ReferenceHelper).Assembly.GetManifestResourceStream(xManifestName)) { using (var xReader = new StreamReader(xStream)) { xGenerateAssembler(xReader); } } } } OnAfterEmitDebugStub(); } else { XS.Label("DebugStub_Step"); XS.Return(); } // Start emitting assembly labels CurrentInstance.EmitAsmLabels = true; }
public void Initialize() { uint xSig = 0x1BADB002; DataMembers.Add(new DataIfNotDefined("ELF_COMPILATION")); DataMembers.Add(new DataMember("MultibootSignature", new uint[] { xSig })); uint xFlags = 0x10003; DataMembers.Add(new DataMember("MultibootFlags", xFlags)); DataMembers.Add(new DataMember("MultibootChecksum", (int)(0 - (xFlags + xSig)))); DataMembers.Add(new DataMember("MultibootHeaderAddr", Cosmos.Assembler.ElementReference.New("MultibootSignature"))); DataMembers.Add(new DataMember("MultibootLoadAddr", Cosmos.Assembler.ElementReference.New("MultibootSignature"))); DataMembers.Add(new DataMember("MultibootLoadEndAddr", Cosmos.Assembler.ElementReference.New("_end_code"))); DataMembers.Add(new DataMember("MultibootBSSEndAddr", Cosmos.Assembler.ElementReference.New("_end_code"))); DataMembers.Add(new DataMember("MultibootEntryAddr", Cosmos.Assembler.ElementReference.New("Kernel_Start"))); DataMembers.Add(new DataEndIfDefined()); DataMembers.Add(new DataIfDefined("ELF_COMPILATION")); xFlags = 0x00003; DataMembers.Add(new DataMember("MultibootSignature", new uint[] { xSig })); DataMembers.Add(new DataMember("MultibootFlags", xFlags)); DataMembers.Add(new DataMember("MultibootChecksum", (int)(0 - (xFlags + xSig)))); DataMembers.Add(new DataEndIfDefined()); // graphics info fields DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeModeInfoAddr", Int32.MaxValue)); DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeControlInfoAddr", Int32.MaxValue)); DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeMode", Int32.MaxValue)); // memory DataMembers.Add(new DataMember("MultiBootInfo_Memory_High", 0)); DataMembers.Add(new DataMember("MultiBootInfo_Memory_Low", 0)); DataMembers.Add(new DataMember("Before_Kernel_Stack", new byte[0x50000])); DataMembers.Add(new DataMember("Kernel_Stack", new byte[0])); DataMembers.Add(new DataMember("MultiBootInfo_Structure", new uint[1])); if (mComPort > 0) { new Define("DEBUGSTUB"); } // This is our first entry point. Multiboot uses this as Cosmos entry point. new Label("Kernel_Start", isGlobal: true); new Mov { DestinationReg = Registers.ESP, SourceRef = Cosmos.Assembler.ElementReference.New("Kernel_Stack") }; // Displays "Cosmos" in top left. Used to make sure Cosmos is booted in case of hang. // ie bootloader debugging. This must be the FIRST code, even before setup so we know // we are being called properly by the bootloader and that if there are problems its // somwhere in our code, not the bootloader. WriteDebugVideo("Cosmos pre boot"); // For when using Bochs, causes a break ASAP on entry after initial Cosmos display. new LiteralAssemblerCode("xchg bx, bx"); // CLI ASAP WriteDebugVideo("Clearing interrupts."); new ClearInterruptFlag(); WriteDebugVideo("Begin multiboot info."); new LiteralAssemblerCode("%ifndef EXCLUDE_MULTIBOOT_MAGIC"); new Comment(this, "MultiBoot compliant loader provides info in registers: "); new Comment(this, "EBX=multiboot_info "); new Comment(this, "EAX=0x2BADB002 - check if it's really Multiboot-compliant loader "); new Comment(this, " ;- copy mb info - some stuff for you "); new Comment(this, "BEGIN - Multiboot Info"); new Mov { DestinationRef = Cosmos.Assembler.ElementReference.New("MultiBootInfo_Structure"), DestinationIsIndirect = true, SourceReg = Registers.EBX }; new Add { DestinationReg = Registers.EBX, SourceValue = 4 }; new Mov { DestinationReg = Registers.EAX, SourceReg = Registers.EBX, SourceIsIndirect = true }; new Mov { DestinationRef = Cosmos.Assembler.ElementReference.New("MultiBootInfo_Memory_Low"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; new Add { DestinationReg = Registers.EBX, SourceValue = 4 }; new Mov { DestinationReg = Registers.EAX, SourceReg = Registers.EBX, SourceIsIndirect = true }; new Mov { DestinationRef = Cosmos.Assembler.ElementReference.New("MultiBootInfo_Memory_High"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; new Comment(this, "END - Multiboot Info"); new LiteralAssemblerCode("%endif"); WriteDebugVideo("Creating GDT."); CreateGDT(); WriteDebugVideo("Configuring PIC"); ConfigurePIC(); WriteDebugVideo("Creating IDT."); CreateIDT(); #if LFB_1024_8 new Comment("Set graphics fields"); new Move { DestinationReg = Registers.EBX, SourceRef = Cosmos.Assembler.ElementReference.New("MultiBootInfo_Structure"), SourceIsIndirect = true }; new Move { DestinationReg = Registers.EAX, SourceReg = Registers.EBX, SourceIsIndirect = true, SourceDisplacement = 72 }; new Move { DestinationRef = Cosmos.Assembler.ElementReference.New("MultibootGraphicsRuntime_VbeControlInfoAddr"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; new Move { DestinationReg = Registers.EAX, SourceReg = Registers.EBX, SourceIsIndirect = true, SourceDisplacement = 76 }; new Move { DestinationRef = Cosmos.Assembler.ElementReference.New("MultibootGraphicsRuntime_VbeModeInfoAddr"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; new Move { DestinationReg = Registers.EAX, SourceReg = Registers.EBX, SourceIsIndirect = true, SourceDisplacement = 80 }; new Move { DestinationRef = Cosmos.Assembler.ElementReference.New("MultibootGraphicsRuntime_VbeMode"), DestinationIsIndirect = true, SourceReg = Registers.EAX }; #endif //WriteDebugVideo("Initializing SSE."); //new Comment(this, "BEGIN - SSE Init"); //// CR4[bit 9]=1, CR4[bit 10]=1, CR0[bit 2]=0, CR0[bit 1]=1 //new Mov { DestinationReg = Registers.EAX, SourceReg = Registers.CR4 }; //new Or { DestinationReg = Registers.EAX, SourceValue = 0x100 }; //new Mov { DestinationReg = Registers.CR4, SourceReg = Registers.EAX }; //new Mov { DestinationReg = Registers.EAX, SourceReg = Registers.CR4 }; //new Or { DestinationReg = Registers.EAX, SourceValue = 0x200 }; //new Mov { DestinationReg = Registers.CR4, SourceReg = Registers.EAX }; //new Mov { DestinationReg = Registers.EAX, SourceReg = Registers.CR0 }; //new And { DestinationReg = Registers.EAX, SourceValue = 0xfffffffd }; //new Mov { DestinationReg = Registers.CR0, SourceReg = Registers.EAX }; //new Mov { DestinationReg = Registers.EAX, SourceReg = Registers.CR0 }; //new And { DestinationReg = Registers.EAX, SourceValue = 1 }; //new Mov { DestinationReg = Registers.CR0, SourceReg = Registers.EAX }; //new Comment(this, "END - SSE Init"); if (mComPort > 0) { WriteDebugVideo("Initializing DebugStub."); new Call { DestinationLabel = "DebugStub_Init" }; } // Jump to Kernel entry point WriteDebugVideo("Jumping to kernel."); new Call { DestinationLabel = EntryPointName }; new Comment(this, "Kernel done - loop till next IRQ"); new Label(".loop"); new ClearInterruptFlag(); new Halt(); new Jump { DestinationLabel = ".loop" }; if (mComPort > 0) { var xGen = new XSharp.Compiler.AsmGenerator(); var xGenerateAssembler = new Action <object>(i => { if (i is StreamReader) { var xAsm = xGen.Generate((StreamReader)i); CurrentInstance.Instructions.AddRange(xAsm.Instructions); CurrentInstance.DataMembers.AddRange(xAsm.DataMembers); } else if (i is string) { var xAsm = xGen.Generate((string)i); CurrentInstance.Instructions.AddRange(xAsm.Instructions); CurrentInstance.DataMembers.AddRange(xAsm.DataMembers); } else { throw new Exception("Object type '" + i.ToString() + "' not supported!"); } }); if (ReadDebugStubFromDisk) { foreach (var xFile in Directory.GetFiles(Cosmos.Build.Common.CosmosPaths.DebugStubSrc, "*.xs")) { xGenerateAssembler(xFile); } } else { foreach (var xManifestName in typeof(ReferenceHelper).Assembly.GetManifestResourceNames()) { if (!xManifestName.EndsWith(".xs", StringComparison.OrdinalIgnoreCase)) { continue; } using (var xStream = typeof(ReferenceHelper).Assembly.GetManifestResourceStream(xManifestName)) { using (var xReader = new StreamReader(xStream)) { xGenerateAssembler(xReader); } } } } OnAfterEmitDebugStub(); } else { new Label("DebugStub_Step"); new Return(); } // Start emitting assembly labels Cosmos.Assembler.Assembler.CurrentInstance.EmitAsmLabels = true; }