plugins/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/Am2900Machine.java

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