public int Generate(
string wszInputFilePath,
string bstrInputFileContents,
string wszDefaultNamespace,
IntPtr[] rgbOutputFileContents,
out uint pcbOutput,
IVsGeneratorProgress pGenerateProgress)
{
string xResult;
using (var xInput = new StringReader(bstrInputFileContents))
{
using (var xOut = new StringWriter())
{
try
{
var xAssembler = new Assembler.Assembler();
try
{
var xGen = new AsmGenerator();
xGen.Generate(xInput, xOut);
xResult = $"Generated at {DateTime.Now} {Environment.NewLine} {Environment.NewLine} {xOut} {Environment.NewLine}";
}
finally
{
Assembler.Assembler.ClearCurrentInstance();
}
}
catch (Exception ex)
{
var xSB = new StringBuilder();
xSB.Append(xOut);
xSB.AppendLine();
for (Exception e = ex; e != null; e = e.InnerException)
{
xSB.AppendLine(e.Message);
}
xResult = xSB.ToString();
}
}
}
rgbOutputFileContents[0] = IntPtr.Zero;
pcbOutput = 0;
var xBytes = Encoding.UTF8.GetBytes(xResult);
if (xBytes.Length > 0)
{
rgbOutputFileContents[0] = Marshal.AllocCoTaskMem(xBytes.Length);
Marshal.Copy(xBytes, 0, rgbOutputFileContents[0], xBytes.Length);
pcbOutput = (uint)xBytes.Length;
}
return(VSConstants.S_OK);
}
static void Main(string[] aArgs)
{
try {
var xCLI = new XSharp.Build.CliProcessor(aArgs);
var xGen = new AsmGenerator();
var xFiles = new List <string>();
// Parse arguments
foreach (var xArg in aArgs)
{
if (xArg.StartsWith("-"))
{
string xOpt = xArg.Substring(1).ToUpper();
throw new Exception("No matching switch found: " + xArg);
}
else
{
if (Directory.Exists(xArg))
{
string xPath = Path.GetFullPath(xArg);
xFiles.AddRange(Directory.GetFiles(xPath, "*.xs"));
}
else if (File.Exists(xArg))
{
xFiles.Add(Path.GetFullPath(xArg));
}
else
{
throw new Exception("Not a valid file or directory: " + xArg);
}
}
}
// Generate output
foreach (var xFile in xFiles)
{
Console.WriteLine(xFile);
xGen.GenerateToFiles(xFile);
}
// Finalize
Console.WriteLine("Done.");
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
System.Threading.Thread.Sleep(3000);
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 = 0x10007;
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 DataMember("", 0));
DataMembers.Add(new DataMember("", 800, 600, 32));
DataMembers.Add(new DataEndIfDefined());
DataMembers.Add(new DataIfDefined("ELF_COMPILATION"));
xFlags = 0x00007;
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 DataMember("", 0, 0, 0, 0, 0));
DataMembers.Add(new DataMember("", 0));
DataMembers.Add(new DataMember("", 800, 600, 32));
DataMembers.Add(new DataEndIfDefined());
//graphics info fields
DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeModeInfoAddr", 1 << 2));
DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeControlInfoAddr", 1 << 0));
DataMembers.Add(new DataMember("MultibootGraphicsRuntime_VbeMode", 0));
// 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();
new Comment("Set graphics fields");
new Mov {
DestinationReg = XSRegisters.EBX, SourceRef = ElementReference.New("MultiBootInfo_Structure"), SourceIsIndirect = true
};
new Mov {
DestinationReg = XSRegisters.EAX, SourceReg = XSRegisters.EBX, SourceIsIndirect = true, SourceDisplacement = 72
};
new Mov {
DestinationRef = ElementReference.New("MultibootGraphicsRuntime_VbeControlInfoAddr"), DestinationIsIndirect = true, SourceReg = XSRegisters.EAX
};
new Mov {
DestinationReg = XSRegisters.EAX, SourceReg = XSRegisters.EBX, SourceIsIndirect = true, SourceDisplacement = 76
};
new Mov {
DestinationRef = ElementReference.New("MultibootGraphicsRuntime_VbeModeInfoAddr"), DestinationIsIndirect = true, SourceReg = XSRegisters.EAX
};
new Mov {
DestinationReg = XSRegisters.EAX, SourceReg = XSRegisters.EBX, SourceIsIndirect = true, SourceDisplacement = 80
};
new Mov {
DestinationRef = ElementReference.New("MultibootGraphicsRuntime_VbeMode"), DestinationIsIndirect = true, SourceReg = XSRegisters.EAX
};
//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(AsmMarker.Labels[AsmMarker.Type.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(AsmMarker.Labels[AsmMarker.Type.DebugStub_Step]);
XS.Return();
}
// Start emitting assembly labels
CurrentInstance.EmitAsmLabels = true;
}
/// <summary>
/// Timer of launching operations
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OpTimer_Tick(object sender, EventArgs e)
{
//according to the operation to be executed
switch (operation)
{
case ProcessOperation.Check:
//The errors of all the diagrams are checked
List <DiagramError> errors = new List <DiagramError>();
foreach (Diagram diagram in this.project.Functions)
{
Generator.CheckDiagram(diagram, errors);
}
//If there are errors, it is reported
if (errors.Count != 0)
{
bool onlyWarnings = false;
//the errors are checked
foreach (DiagramError error in errors)
{
//If any of the errors is not a warning
if (error.Type == ErrorType.Error)
{
onlyWarnings = true;
this.opTimer.Enabled = false;
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbCheckDiagram.Image = this.icons.Images[(int)OperationState.Error];
this.lCheckDiagram.Text = ProcessMessages.CHECKDIAGRAM_ERROR;
this.lCheckDiagram.ForeColor = Color.FromArgb(208, 0, 0);
break;
}
}
//If they are only warnings
if (!onlyWarnings)
{
//The warning message is displayed
this.pbCheckDiagram.Image = this.icons.Images[(int)OperationState.Warning];
this.lCheckDiagram.Text = ProcessMessages.CHECKDIAGRAM_WARNING;
this.lCheckDiagram.ForeColor = Color.FromArgb(200, 140, 0);
//it passes to the following operation
this.operation = ProcessOperation.Generate;
this.pbGenerateCode.Image = this.icons.Images[(int)OperationState.Running];
}
//The error event is launched
if (this.DiagramErrors != null)
{
this.DiagramErrors(this, new ProcessEventArgs(errors));
}
}
else
{
this.pbCheckDiagram.Image = this.icons.Images[(int)OperationState.Finish];
this.lCheckDiagram.Text = ProcessMessages.CHECKDIAGRAM_OK;
//it passes to the following operation
this.operation = ProcessOperation.Generate;
this.pbGenerateCode.Image = this.icons.Images[(int)OperationState.Running];
}
break;
case ProcessOperation.Generate:
//Generates the source code for the diagrams
try
{
// The code is generated
AsmGenerator.GenerateCode(this.project.MainFunction, this.project.Subfunctions, this.project.Variables, this.project.AsmFile);
this.lGenerateCode.Text = ProcessMessages.GENERATECODE_OK;
this.pbGenerateCode.Image = this.icons.Images[(int)OperationState.Finish];
//it passes to the following operation
this.operation = ProcessOperation.Compile;
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Running];
}
catch { }
break;
case ProcessOperation.Compile:
//The generated source code is compiled
try
{
//The project is compiled
if (AsmCompiler.Compile(this.project.AsmFile))
{
this.lCompileCode.Text = ProcessMessages.COMPILECODE_OK;
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Finish];
//it passes to the following operation
this.operation = ProcessOperation.Program;
this.opTimer.Interval = 50;
this.pbProgramMoway.Image = this.icons.Images[(int)OperationState.Running];
}
else
{
this.opTimer.Enabled = false;
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Error];
this.lCompileCode.ForeColor = Color.FromArgb(208, 0, 0);
this.lCompileCode.Text = ProcessMessages.COMPILECODE_ERROR;
}
}
//Code compilation failed
catch (CompilerException ex)
{
this.opTimer.Enabled = false;
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Error];
this.lCompileCode.ForeColor = Color.FromArgb(208, 0, 0);
switch (ex.Message)
{
case "File not found":
this.lCompileCode.Text = ProcessMessages.FILE_NOT_FOUND;
break;
case "Access denied":
this.lCompileCode.Text = ProcessMessages.ACCES_DENIED;
break;
default:
this.lCompileCode.Text = ProcessMessages.COMPILECODE_ERROR;
break;
}
}
break;
case ProcessOperation.Program:
//Launches the recording process
this.opTimer.Enabled = false;
//MOway Driver events are logged
Controller.Controller mController = Controller.Controller.GetController();
mController.ProgrammingProgress += new ProgressEventHandler(MController_ProgrammingProgress);
mController.ProgrammingCompleted += new EventHandler(MController_ProgrammingCompleted);
mController.ProgrammingCanceled += new EventHandler(MController_ProgrammingCanceled);
try
{
//It checks the memory of the micro...
int response = mController.CheckPicMemory(this.project.HexFile);
if (response == 1)
{
//A confirmation is requested
if (DialogResult.No == MowayMessageBox.Show(ProcessMessages.HEX_TOO_LARGE_201 + "\r\n" + ProcessMessages.CONTINUE, ProcessMessages.PROGRAM, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbProgramMoway.Image = this.icons.Images[(int)OperationState.Error];
this.lProgramMoway.ForeColor = Color.FromArgb(208, 0, 0);
this.lProgramMoway.Text = ProcessMessages.MEMORY_ERROR;
return;
}
}
else if (response == 2)
{
//A confirmation is requested
if (DialogResult.No == MowayMessageBox.Show(ProcessMessages.HEX_TOO_LARGE_202 + "\r\n" + ProcessMessages.CONTINUE, ProcessMessages.PROGRAM, MessageBoxButtons.YesNo, MessageBoxIcon.Warning))
{
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbProgramMoway.Image = this.icons.Images[(int)OperationState.Error];
this.lProgramMoway.ForeColor = Color.FromArgb(208, 0, 0);
this.lProgramMoway.Text = ProcessMessages.MEMORY_ERROR;
return;
}
}
//Timer is enabled to limit the recording process to 15 seconds
this.tProgramLimited.Enabled = true;
//It launches the recording of the mOway
mController.ProgramMoway(this.project.HexFile);
}
//Timer is enabled to limit the recording process to 15 seconds
catch (ControllerException ex)
{
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbProgramMoway.Image = this.icons.Images[(int)OperationState.Error];
this.lProgramMoway.ForeColor = Color.FromArgb(208, 0, 0);
switch (ex.Message)
{
case "File not found":
this.lProgramMoway.Text = ProcessMessages.FILE_NOT_FOUND;
break;
case "Moway disconnected":
this.lProgramMoway.Text = ProcessMessages.MOWAY_DISCONNECTED;
break;
case "Moway busy":
this.lProgramMoway.Text = ProcessMessages.MOWAY_BUSY;
break;
default:
this.lProgramMoway.Text = ProcessMessages.PROGRAMMOWAY_ERROR;
break;
}
}
break;
case ProcessOperation.Close:
//Close the form
this.DialogResult = DialogResult.OK;
this.Close();
break;
}
}
private static void Main(string[] aArgs)
{
try
{
// Parse arguments
var xCLI = new Build.CliProcessor();
xCLI.Parse(aArgs);
try
{
var xGen = new AsmGenerator();
bool xAppend = false;
string xOutputPath = null;
// Options
var xUserComments = xCLI["UserComments", "UC"];
if (xUserComments != null)
{
xGen.EmitUserComments = xUserComments.Check("ON", new string[] { "ON", "OFF" }) == "ON";
}
//
var xSourceCode = xCLI["SourceCode", "SC"];
if (xSourceCode != null)
{
xGen.EmitSourceCode = xSourceCode.Check("ON", new string[] { "ON", "OFF" }) == "ON";
}
//
var xOutput = xCLI["Out", "O"];
if (xOutput != null)
{
xOutputPath = xOutput.Value;
}
//
xAppend = xCLI["Append", "A"] != null;
if (xAppend && xOutput == null)
{
throw new Exception("Use of -Append requires use of -Out.");
}
// Plugins
var xPlugins = xCLI.GetSwitches("PlugIn");
foreach (var xPlugin in xPlugins)
{
// TODO Load plugins
}
// List of source files
var xFiles = new List <string>();
var xAssemblies = new List <Assembly>();
foreach (var xArg in xCLI.Args)
{
string xVal = xArg.Value;
if (Directory.Exists(xVal))
{
// If dir specified, find all .xs files
string xPath = Path.GetFullPath(xVal);
xFiles.AddRange(Directory.GetFiles(xPath, "*.xs"));
}
else if (File.Exists(xVal))
{
string xExt = Path.GetExtension(xVal).ToUpper();
if (xExt == ".XS")
{
xFiles.Add(Path.GetFullPath(xVal));
}
else if (xExt == ".DLL")
{
xAssemblies.Add(Assembly.LoadFrom(xVal));
}
else
{
throw new Exception("Not a valid file type: " + xVal);
}
}
else
{
throw new Exception("Not a valid file or directory: " + xVal);
}
}
if (xCLI["Gen2"] != null)
{
foreach (var xFile in xFiles)
{
using (var xIn = File.OpenText(xFile))
{
if (!xAppend)
{
xOutputPath = Path.ChangeExtension(xFile, ".asm");
}
using (var xOut = File.CreateText(xOutputPath))
{
Console.WriteLine("Processing file: " + xFile);
Compiler xCompiler;
try
{
xCompiler = new Compiler(xOut);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
try
{
xCompiler.Emit(xIn);
var temp = Console.BackgroundColor;
Console.BackgroundColor = ConsoleColor.Green;
Console.WriteLine("File processed");
Console.BackgroundColor = temp;
}
catch (Exception e)
{
var temp = Console.BackgroundColor;
Console.BackgroundColor = ConsoleColor.Red;
Console.WriteLine(e);
Console.BackgroundColor = temp;
throw;
}
}
}
}
}
else
{
try
{
// Generate output
foreach (var xFile in xFiles)
{
var xReader = File.OpenText(xFile);
if (xAppend)
{
xGen.Generate(xReader, File.AppendText(xOutputPath));
}
else if (xFiles.Count == 1 && xOutputPath != null)
{
xGen.Generate(File.OpenText(xFile), File.CreateText(xOutputPath));
}
else
{
Console.WriteLine(xFile);
xGen.GenerateToFiles(xFile);
}
}
// Generate output from embedded resources
foreach (var xAssembly in xAssemblies)
{
TextWriter xWriter = null;
if (!xAppend)
{
var xDestination = Path.ChangeExtension(xAssembly.Location, "asm");
xWriter = new StreamWriter(File.Create(xDestination));
}
foreach (var xResource in xAssembly.GetManifestResourceNames()
.Where(r => r.EndsWith(".xs", StringComparison.OrdinalIgnoreCase)))
{
var xStream = xAssembly.GetManifestResourceStream(xResource);
xGen.GenerateToFile(xResource, new StreamReader(xStream), xWriter);
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
// Finalize
Console.WriteLine("Done.");
}
catch (Exception ex)
{
if (xCLI["WaitOnError"] != null)
{
Console.WriteLine();
Console.WriteLine("Waiting on error. Press Enter to exit.");
Console.WriteLine("Exception: " + ex.ToString());
Console.ReadLine();
}
Environment.Exit(-1);
}
}
catch (Exception ex)
{
Console.WriteLine("Argument parse error:\r\n" + ex);
Environment.Exit(-2);
}
}
public void Initialize(bool enableVBE, string VBEResolution)
{
uint xSig = 0xe85250d6;
//Multiboot header
DataMembers.Add(new DataMember("align", "8", true));
DataMembers.Add(new DataMember("MultibootHeader", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultibootSignature", new uint[] { xSig }));
DataMembers.Add(new DataMember("MultibootArchitecture", 0));
DataMembers.Add(new DataMember("MultibootLenght", "MultibootHeaderEnd - MultibootHeader", typeof(uint)));
DataMembers.Add(new DataMember("MultibootChecksum", "0x100000000 - (0xe85250d6 + 0 + (MultibootHeaderEnd - MultibootHeader))", typeof(uint)));
if (enableVBE)
{
try
{
string[] res = VBEResolution.Split('x');
//Framebuffer Tag
DataMembers.Add(new DataMember("align", "8", true));
DataMembers.Add(new DataMember("MultibootFramebufferTag", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultibootFramebufferType", (ushort)5));
DataMembers.Add(new DataMember("MultibootFramebufferOptional", (ushort)1));
DataMembers.Add(new DataMember("MultibootFramebufferLenght", "MultibootFramebufferTagEnd - MultibootFramebufferTag", typeof(uint)));
DataMembers.Add(new DataMember("", int.Parse(res[0])));
DataMembers.Add(new DataMember("", int.Parse(res[1])));
DataMembers.Add(new DataMember("", int.Parse(res[2])));
DataMembers.Add(new DataMember("MultibootFramebufferTagEnd", Array.Empty <byte>()));
}
catch
{
Console.WriteLine("VBE Resolution must be this format: 1920x1080x32");
}
}
// memory
DataMembers.Add(new DataMember("align", "8", true));
DataMembers.Add(new DataMember("MultibootMemoryTag", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultibootMemoryTagType", (ushort)2));
DataMembers.Add(new DataMember("MultibootMemoryTagOptional", (ushort)1));
DataMembers.Add(new DataMember("MultibootMemoryTagLenght", "MultibootMemoryTagEnd - MultibootMemoryTag", typeof(uint)));
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("MultibootMemoryTagEnd", Array.Empty <byte>()));
//Entry Address
DataMembers.Add(new DataMember("align", "8", true));
DataMembers.Add(new DataMember("MultibootEntryTag", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultibootEntryTagType", (ushort)3));
DataMembers.Add(new DataMember("MultibootEntryTagOptional", (ushort)1));
DataMembers.Add(new DataMember("MultibootEntryTagLenght", "MultibootEntryTagEnd - MultibootEntryTag", typeof(uint)));
DataMembers.Add(new DataMember("MultibootEntryAddr", ElementReference.New("Kernel_Start")));
DataMembers.Add(new DataMember("MultibootEntryTagEnd", Array.Empty <byte>()));
//End Tag
DataMembers.Add(new DataMember("align", "8", true));
DataMembers.Add(new DataMember("MultibootEndTag", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultibootEndTagType", (ushort)0));
DataMembers.Add(new DataMember("MultibootEndTagOptional", (ushort)0));
DataMembers.Add(new DataMember("MultibootEndTagEnd", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultibootHeaderEnd", Array.Empty <byte>()));
//memory
DataMembers.Add(new DataMember("align", "16", true));
DataMembers.Add(new DataMember("Before_Kernel_Stack", new byte[0x50000]));
DataMembers.Add(new DataMember("align", "16", true));
DataMembers.Add(new DataMember("Kernel_Stack", Array.Empty <byte>()));
DataMembers.Add(new DataMember("MultiBootInfo_Structure", new uint[1]));
// constants
DataMembers.Add(new DataMember("align", "16", true));
DataMembers.Add(new DataMember(@"__uint2double_const", new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x41 }));
DataMembers.Add(new DataMember("align", "16", true));
DataMembers.Add(new DataMember(@"__ulong2double_const", 0x5F800000));
DataMembers.Add(new DataMember("align", "16", true));
DataMembers.Add(new DataMember(@"__doublesignbit", 0x8000000000000000));
DataMembers.Add(new DataMember("align", "16", true));
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(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=0x36d76289 - check if it's really Multiboot2-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.Call("SystemVoidCosmosCoreMultiboot2Init");
new Comment(this, "END - Multiboot Info");
new LiteralAssemblerCode("%endif");
WriteDebugVideo("Creating GDT.");
CreateGDT();
WriteDebugVideo("Configuring PIC");
ConfigurePIC();
WriteDebugVideo("Creating IDT.");
CreateIDT();
//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(AsmMarker.Labels[AsmMarker.Type.DebugStub_Init]);
}
//Initiate Memory
WriteDebugVideo("Initiating Memory");
XS.Call(LabelName.Get(GCImplementationRefs.InitRef));
// 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();
void GenerateAssembler(Assembler assembler)
{
CurrentInstance.Instructions.AddRange(assembler.Instructions);
CurrentInstance.DataMembers.AddRange(assembler.DataMembers);
}
if (ReadDebugStubFromDisk)
{
foreach (var xFile in Directory.GetFiles(CosmosPaths.DebugStubSrc, "*.xs"))
{
GenerateAssembler(xGen.Generate(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))
{
GenerateAssembler(xGen.Generate(xReader));
}
}
}
}
OnAfterEmitDebugStub();
}
else
{
XS.Label(AsmMarker.Labels[AsmMarker.Type.DebugStub_Step]);
XS.Return();
}
// Start emitting assembly labels
CurrentInstance.EmitAsmLabels = true;
}
/// <summary>
/// Timer of launching operations
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OpTimer_Tick(object sender, EventArgs e)
{
//according to the operation to be executed
switch (operation)
{
case ProcessOperation.Check:
//The errors of all the diagrams are checked
List <DiagramError> errors = new List <DiagramError>();
foreach (Diagram diagram in this.project.Functions)
{
Generator.CheckDiagram(diagram, errors);
}
//If there are errors, it is reported
if (errors.Count != 0)
{
bool onlyWarnings = false;
//the errors are checked
foreach (DiagramError error in errors)
{
//If any of the errors is not a warning
if (error.Type == ErrorType.Error)
{
onlyWarnings = true;
this.opTimer.Enabled = false;
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbCheckDiagram.Image = this.icons.Images[(int)OperationState.Error];
this.lCheckDiagram.Text = ProcessMessages.CHECKDIAGRAM_ERROR;
this.lCheckDiagram.ForeColor = Color.FromArgb(208, 0, 0);
break;
}
}
//If they are only warnings
if (!onlyWarnings)
{
//The warning message is displayed
this.pbCheckDiagram.Image = this.icons.Images[(int)OperationState.Warning];
this.lCheckDiagram.Text = ProcessMessages.CHECKDIAGRAM_WARNING;
this.lCheckDiagram.ForeColor = Color.FromArgb(200, 140, 0);
//it passes to the following operation
this.operation = ProcessOperation.Generate;
this.pbGenerateCode.Image = this.icons.Images[(int)OperationState.Running];
}
//The error event is launched
if (this.DiagramErrors != null)
{
this.DiagramErrors(this, new ProcessEventArgs(errors));
}
}
else
{
this.pbCheckDiagram.Image = this.icons.Images[(int)OperationState.Finish];
this.lCheckDiagram.Text = ProcessMessages.CHECKDIAGRAM_OK;
//it passes to the following operation
this.operation = ProcessOperation.Generate;
this.pbGenerateCode.Image = this.icons.Images[(int)OperationState.Running];
}
break;
case ProcessOperation.Generate:
//Generates the source code for the diagrams
try
{
//It generates the code
AsmGenerator.GenerateCode(this.project.MainFunction, this.project.Subfunctions, this.project.Variables, this.project.AsmFile);
this.lGenerateCode.Text = ProcessMessages.GENERATECODE_OK;
this.pbGenerateCode.Image = this.icons.Images[(int)OperationState.Finish];
//it passes to the following operation
this.operation = ProcessOperation.Compile;
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Running];
}
catch { }
break;
case ProcessOperation.Compile:
//se compila el código fuente generado
try
{
//The generated source code is compiled
if (AsmCompiler.Compile(this.project.AsmFile))
{
this.lCompileCode.Text = ProcessMessages.COMPILECODE_OK;
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Finish];
//it passes to the following operation
this.operation = ProcessOperation.Close;
this.opTimer.Interval = 1000;
}
else
{
this.opTimer.Enabled = false;
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Error];
this.lCompileCode.ForeColor = Color.FromArgb(208, 0, 0);
this.lCompileCode.Text = ProcessMessages.COMPILECODE_ERROR;
}
}
//Code compilation failed
catch (CompilerException ex)
{
this.opTimer.Enabled = false;
//The Close button is enabled
this.bClose.Enabled = true;
//The error is displayed
this.pbCompileCode.Image = this.icons.Images[(int)OperationState.Error];
this.lCompileCode.ForeColor = Color.FromArgb(208, 0, 0);
switch (ex.Message)
{
case "File not found":
this.lCompileCode.Text = ProcessMessages.FILE_NOT_FOUND;
break;
case "Access denied":
this.lCompileCode.Text = ProcessMessages.ACCES_DENIED;
break;
default:
this.lCompileCode.Text = ProcessMessages.COMPILECODE_ERROR;
break;
}
}
break;
case ProcessOperation.Close:
//Close the form
this.DialogResult = DialogResult.OK;
this.Close();
break;
}
}
