public void addProgramFromFile(string fileName)
{
//var codeStorage = new Storage(fileName);
//byte[] altcode = Util.getCode("MOVB 4\nOPENFILEHANDLE\nSAVEB 12\nMOVA 20\nMOVATOCX\nMOVA 0\nWRITE\nHALT\n");
//byte[] altcode = Util.getCode("MOVB 4\nOPENFILEHANDLE\nSAVEB 12\nMOVA 20\nMOVATOCX\nMOVA 0\nREAD\nCLOSEHANDLE\nHALT\n");
//byte[] altcode = Util.getCode("MOVA 20\nMOVATOCX\nMOVA 4\nPRINTC\nHALT\n");
//byte[] altcode = Util.getCode("MOVA 20\nMOVATOCX\nMOVA 4\nREADC\nHALT\n");
//byte[] altcode = Util.getCode("MOUNT 0\nMOVA 0\nMOVATOCX\nMOVA 8\nWRITE\nMOVA 4\nREAD\nHALT\n");
//string t = "0000001000000008\"big\0\"00000000FFFFFFFF00000004";
//string t2 = "0000001000000008\"big\0\"00000000BBBBBBBB00000004";
//string t = "0000000C00000008\"big\0\"00000000BBBBBBBB00000004";
//string t = "000000040000000100000004";
//byte[] altdata = Util.getData(t);
StorageFile codeFile = StorageFile.Open(this.codeStorage, fileName);
VMInfo programData = Util.readCodeFromFile(codeFile);
//Util.saveCodeToHdd(codeStorage, 10, new VMInfo { code = altcode, data = altdata });
uint rowCount = (uint)((programData.code.Length + programData.data.Length) / Constants.BLOCK_SIZE) + 1;
//uint rowCount = 10;
MemAccesser memAccesser = virtualMemory.reserveMemory(rowCount);
memAccesser.writeFromAddr(0, programData.code);
memAccesser.writeFromAddr((uint)programData.code.Length, programData.data);
Program program = new Program(fileName, memAccesser);
program.registers.CS = 0;
program.registers.DS = 0 + (uint)programData.code.Length;
programs.Add(program);
}
public VirtualMachine(Program program, MemAccesser memAccesser, KernelStorage kernelStorage, int creatorId) : base(ProcPriority.VirtualMachine, kernelStorage, creatorId)
{
this.program = program;
this.memAccesser = memAccesser;
}
public override void run()
{
switch (this.IC)
{
case 0:
{
StorageFile file = StorageFile.Open(this.kernelStorage.codeStorage, programName);
programData = Util.readCodeFromFile(file);
this.rowCount = Math.Ceiling((programData.data.Length + programData.code.Length) / (double)Constants.BLOCK_SIZE);
this.IC++;
break;
}
case 1:
{
for (int i = 0; i < Convert.ToInt32(rowCount); i++)
{
this.resourceRequestor.request(ResType.Memory);
}
this.IC++;
break;
}
case 2:
{
uint rowCount = this.getResourceTypeCount(ResType.Memory);
this.memAccesser = this.kernelStorage.virtualMemory.reserveMemory(rowCount);
this.IC++;
break;
}
case 3:
{
//byte[] altcode = Util.getCode("MOVA 0\nMOVATOCX\nMOVB 1\nADD\nLOOP 3\nHALT\n");
//byte[] altdata = Util.getData("000000050000000166696C652E747874");
//byte[] altcode = Util.getCode("MOVB 4\nOPENFILEHANDLE\nSAVEB 12\nMOVA 20\nMOVATOCX\nMOVA 0\nWRITE\nHALT\n");
//byte[] altcode = Util.getCode("MOVB 4\nOPENFILEHANDLE\nSAVEB 12\nMOVA 20\nMOVATOCX\nMOVA 0\nREAD\nCLOSEHANDLE\nHALT\n");
//byte[] altcode = Util.getCode("MOUNT 0\nMOVA 0\nMOVATOCX\nMOVA 8\nWRITE\nMOVA 4\nREAD\nCLOSEHANDLE\nHALT\n");
//byte[] altcode = Util.getCode("MOVA 20\nMOVATOCX\nMOVA 4\nPRINTC\nHALT\n");
//byte[] altcode = Util.getCode("MOVA 20\nMOVATOCX\nMOVA 4\nREADC\nHALT\n");
//string t = "0000001000000008\"big\0\"00000000FFFFFFFF00000004";
//string t = "0000001000000008\"big\0\"00000000BBBBBBBB00000004";
//string t = "000000040000000100000004";
//byte[] altdata = Util.getData(t);
memAccesser.writeFromAddr(0, programData.code);
memAccesser.writeFromAddr((uint)programData.code.Length, programData.data);
this.IC++;
break;
}
case 4:
{
Program program = new Program("a", memAccesser);
byte[] PTRIInfo = new byte[] { (byte)rowCount, (byte)Constants.MAX_BLOCK_COUNT, (byte)0, (byte)0 };
program.registers.PTRI = BitConverter.ToUInt32(PTRIInfo, 0);
program.registers.CS = 0;
program.registers.DS = 0 + (uint)programData.code.Length;
this.virtualMachine = new VirtualMachine(program, memAccesser, kernelStorage, this.id);
kernelStorage.processes.add(virtualMachine);
this.IC++;
break;
}
case 5:
{
this.resourceRequestor.request(ResType.Any, this.id);
this.IC++;
break;
}
case 6:
{
Resource resource = this.getFirstResource(ResType.Any, this.id);
Program program = this.virtualMachine.program;
if (resource.type == ResType.Interrupt && (program.registers.SI == SiInt.Halt || program.registers.PI == PiInt.InvalidCommand))
{
this.IC = 8;
break;
}
else
{
this.IC++;
}
break;
}
case 7:
{
Resource resource = this.getFirstResource(ResType.Any, this.id);
if (resource.type == ResType.Interrupt)
{
this.intHandler.handleInt((Interrupt)resource);
}
else if (resource is BaseHandleResource) // we are only looking at responses. Should be impossible for request to get here.
{
this.intHandler.handleResponse(resource);
this.kernelStorage.resources.add(new Resource(ResType.FromInterrupt, this.id, false, virtualMachine.id));
}
else
{
throw new NotImplementedException();
}
resource.release();
this.IC = 5;
break;
}
case 8:
{
kernelStorage.processes.remove(this.virtualMachine);
this.IC++;
break;
}
case 9:
{
kernelStorage.resources.add(new ProgramStartKill(this.id, true, this.programName));
this.IC++;
break;
}
case 10:
{
this.resourceRequestor.request(ResType.NonExistent);
break;
}
default:
throw new NotImplementedException();
}
}