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);
}
}
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("ESI[0] = $00");
//var xResult = xGenerator.Generate(xStreamReader);
//Console.WriteLine("done");
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
Environment.Exit(1);
}
}
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);
}
}
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);
}
} catch (Exception ex) {
Console.WriteLine(ex.Message);
Environment.Exit(1);
}
}
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);
}
} catch (Exception ex) {
Console.WriteLine(ex.Message);
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;
}
