mograsim.net Git - Mograsim.git/blob

   1 package net.mograsim.logic.model.am2900.machine;
   2
   3 import java.util.HashSet;
   4 import java.util.List;
   5 import java.util.Set;
   6 import java.util.function.Consumer;
   7
   8 import net.mograsim.logic.core.components.CoreClock;
   9 import net.mograsim.logic.core.timeline.Timeline;
  10 import net.mograsim.logic.core.types.Bit;
  11 import net.mograsim.logic.core.types.BitVector;
  12 import net.mograsim.logic.model.am2900.machine.registers.Am2900Register;
  13 import net.mograsim.logic.model.am2900.machine.registers.muInstrRegister;
  14 import net.mograsim.logic.model.model.LogicModel;
  15 import net.mograsim.logic.model.model.LogicModelModifiable;
  16 import net.mograsim.logic.model.model.components.ModelComponent;
  17 import net.mograsim.logic.model.model.components.atomic.ModelClock;
  18 import net.mograsim.logic.model.modeladapter.CoreModelParameters;
  19 import net.mograsim.logic.model.modeladapter.CoreModelParameters.CoreModelParametersBuilder;
  20 import net.mograsim.logic.model.modeladapter.LogicCoreAdapter;
  21 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
  22 import net.mograsim.machine.AssignableMainMemory;
  23 import net.mograsim.machine.Machine;
  24 import net.mograsim.machine.MachineDefinition;
  25 import net.mograsim.machine.StandardMainMemory;
  26 import net.mograsim.machine.mi.AssignableMPROM;
  27 import net.mograsim.machine.mi.AssignableMicroInstructionMemory;
  28 import net.mograsim.machine.mi.MicroInstruction;
  29 import net.mograsim.machine.mi.MicroInstructionDefinition;
  30 import net.mograsim.machine.mi.StandardMPROM;
  31 import net.mograsim.machine.mi.StandardMicroInstructionMemory;
  32 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
  33 import net.mograsim.machine.mi.parameters.ParameterClassification;
  34 import net.mograsim.machine.registers.Register;
  35 import net.mograsim.machine.registers.RegisterGroup;
  36
  37 public class Am2900Machine implements Machine
  38 {
  39         private final AbstractAm2900MachineDefinition machineDefinition;
  40         private final LogicModelModifiable logicModel;
  41         private final ModelComponent am2900;
  42         private final Timeline timeline;
  43         private final CoreModelParameters params;
  44         private final AssignableMainMemory mainMemory;
  45         private final AssignableMicroInstructionMemory instMemory;
  46         private final AssignableMPROM mprom;
  47         private final CoreClock clock;
  48         private long activeInstructionAddress;
  49
  50         private final Set<ActiveMicroInstructionChangedListener> amicListeners;
  51
  52         public Am2900Machine(LogicModelModifiable model, AbstractAm2900MachineDefinition am2900MachineDefinition)
  53         {
  54                 this.machineDefinition = am2900MachineDefinition;
  55                 this.logicModel = model;
  56                 this.am2900 = IndirectModelComponentCreator.createComponent(logicModel,
  57                                 "resloader:Am2900Loader:jsonres:net/mograsim/logic/model/am2900/components/Am2900.json", "Am2900");
  58                 this.amicListeners = new HashSet<>();
  59
  60                 CoreModelParametersBuilder paramsBuilder = new CoreModelParametersBuilder();
  61                 paramsBuilder.gateProcessTime = 50;
  62                 paramsBuilder.hardcodedComponentProcessTime = paramsBuilder.gateProcessTime * 5;
  63                 paramsBuilder.wireTravelTime = 10;
  64                 params = paramsBuilder.build();
  65
  66                 mainMemory = new AssignableMainMemory(new StandardMainMemory(am2900MachineDefinition.getMainMemoryDefinition()));
  67                 instMemory = new AssignableMicroInstructionMemory(
  68                                 new StandardMicroInstructionMemory(am2900MachineDefinition.getMicroInstructionMemoryDefinition()));
  69                 mprom = new AssignableMPROM(new StandardMPROM(am2900MachineDefinition.getMPROMDefinition()));
  70                 timeline = LogicCoreAdapter.convert(logicModel, params);
  71                 am2900.setHighLevelState("ram.memory_binding", mainMemory);
  72                 am2900.setHighLevelState("mpm.memory_binding", instMemory);
  73                 am2900.setHighLevelState("mprom.memory_binding", mprom);
  74                 clock = logicModel.getComponentBySubmodelPath("Am2900.Clock#0", ModelClock.class).getClock();
  75                 clock.registerObserver(c ->
  76                 {
  77                         if (clock.isOn())
  78                         {
  79                                 long oldAddress = activeInstructionAddress;
  80                                 activeInstructionAddress = getCurrentMicroInstructionAddress();
  81                                 notifyActiveMicroInstructionChangedListeners(oldAddress, activeInstructionAddress);
  82                         }
  83                 });
  84         }
  85
  86         @Override
  87         public MachineDefinition getDefinition()
  88         {
  89                 return machineDefinition;
  90         }
  91
  92         @Override
  93         public void reset()
  94         {
  95                 MicroInstructionDefinition muiDef = getDefinition().getMicroInstructionMemoryDefinition().getMicroInstructionDefinition();
  96                 ParameterClassification[] paramClassifications = muiDef.getParameterClassifications();
  97                 MicroInstructionParameter[] defaultParams = muiDef.createDefaultInstruction().getParameters();
  98                 defaultParams[19] = paramClassifications[19].parse("JZ");
  99                 MicroInstruction jzMI = MicroInstruction.create(defaultParams);
 100                 am2900.setHighLevelState("muir_2.q", jzMI.toBitVector());
 101                 Bit regsValue = machineDefinition.expert ? Bit.U : Bit.ZERO;
 102                 setRegistersTo(machineDefinition.getUnsortedRegisters(), regsValue);
 103                 setRegisterGroupTo(machineDefinition.getRegisterGroups(), regsValue);
 104                 // TODO reset latches?
 105         }
 106
 107         private void setRegistersTo(List<Register> registers, Bit value)
 108         {
 109                 for (Register r : registers)
 110                         if (r != muInstrRegister.instance)// don't reset; sometimes causes a glitch
 111                                 setRegister(r, BitVector.of(value, r.getWidth()));
 112         }
 113
 114         private void setRegisterGroupTo(List<RegisterGroup> registerGroups, Bit value)
 115         {
 116                 for (RegisterGroup rg : registerGroups)
 117                 {
 118                         setRegistersTo(rg.getRegisters(), value);
 119                         setRegisterGroupTo(rg.getSubGroups(), value);
 120                 }
 121         }
 122
 123         @Override
 124         public LogicModel getModel()
 125         {
 126                 return logicModel;
 127         }
 128
 129         public ModelComponent getAm2900()
 130         {
 131                 return am2900;
 132         }
 133
 134         @Override
 135         public Timeline getTimeline()
 136         {
 137                 return timeline;
 138         }
 139
 140         @Override
 141         public CoreModelParameters getCoreModelParameters()
 142         {
 143                 return params;
 144         }
 145
 146         @Override
 147         public CoreClock getClock()
 148         {
 149                 return clock;
 150         }
 151
 152         @Override
 153         public BitVector getRegister(Register r)
 154         {
 155                 return castAm2900Register(r).read(am2900);
 156         }
 157
 158         @Override
 159         public void setRegister(Register r, BitVector value)
 160         {
 161                 castAm2900Register(r).write(am2900, value);
 162         }
 163
 164         @Override
 165         public void addRegisterListener(Register r, Consumer<BitVector> listener)
 166         {
 167                 castAm2900Register(r).addListener(am2900, listener);
 168         }
 169
 170         @Override
 171         public void removeRegisterListener(Register r, Consumer<BitVector> listener)
 172         {
 173                 castAm2900Register(r).removeListener(am2900, listener);
 174         }
 175
 176         private static Am2900Register castAm2900Register(Register r)
 177         {
 178                 if (r instanceof Am2900Register)
 179                         return (Am2900Register) r;
 180                 throw new IllegalArgumentException("Not a register of an Am2900Machine: " + r);
 181         }
 182
 183         @Override
 184         public AssignableMainMemory getMainMemory()
 185         {
 186                 return mainMemory;
 187         }
 188
 189         @Override
 190         public AssignableMicroInstructionMemory getMicroInstructionMemory()
 191         {
 192                 return instMemory;
 193         }
 194
 195         @Override
 196         public AssignableMPROM getMPROM()
 197         {
 198                 return mprom;
 199         }
 200
 201         @Override
 202         public long getActiveMicroInstructionAddress()
 203         {
 204                 return activeInstructionAddress;
 205         }
 206
 207         private long getCurrentMicroInstructionAddress()
 208         {
 209                 BitVector vector = (BitVector) am2900.getHighLevelState("mpm_address");
 210                 return vector.isBinary() ? vector.getUnsignedValueLong() : -1;
 211         }
 212
 213         @Override
 214         public void addActiveMicroInstructionChangedListener(ActiveMicroInstructionChangedListener listener)
 215         {
 216                 amicListeners.add(listener);
 217         }
 218
 219         @Override
 220         public void removeActiveMicroInstructionChangedListener(ActiveMicroInstructionChangedListener listener)
 221         {
 222                 amicListeners.remove(listener);
 223         }
 224
 225         private void notifyActiveMicroInstructionChangedListeners(long oldAddress, long newAddress)
 226         {
 227                 amicListeners.forEach(l -> l.instructionChanged(oldAddress, newAddress));
 228         }
 229 }