plugins/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/AbstractAm2900MachineDefinition.java

   1 package net.mograsim.logic.model.am2900.machine;
   2
   3 import java.util.Collections;
   4 import java.util.HashSet;
   5 import java.util.Set;
   6
   7 import net.mograsim.logic.model.am2900.machine.registers.NumberedRegister;
   8 import net.mograsim.logic.model.am2900.machine.registers.QRegister;
   9 import net.mograsim.logic.model.model.LogicModelModifiable;
  10 import net.mograsim.machine.ISASchema;
  11 import net.mograsim.machine.MachineDefinition;
  12 import net.mograsim.machine.Register;
  13 import net.mograsim.machine.RegisterGroup;
  14
  15 //we can't use the Singleton pattern here because a MachineDefinition needs a public parameterless constructor
  16 //(used for detecting installed machines in plugin.core)
  17 public class AbstractAm2900MachineDefinition implements MachineDefinition
  18 {
  19         public static final String SIMPLE_AM2900_MACHINE_ID = "Am2900Simple";
  20         public static final String STRICT_AM2900_MACHINE_ID = "Am2900Strict";
  21
  22         public static final Set<Register> allRegisters;
  23
  24         static
  25         {
  26                 Set<Register> allRegistersModifiable = new HashSet<>();
  27                 allRegistersModifiable.add(QRegister.instance);
  28                 allRegistersModifiable.addAll(NumberedRegister.instancesCorrectOrder);
  29                 // TODO MSR, muSR, MIR, IR, PC/BZ...
  30                 allRegisters = Collections.unmodifiableSet(allRegistersModifiable);
  31         }
  32
  33         public final boolean strict;
  34
  35         protected AbstractAm2900MachineDefinition(boolean strict)
  36         {
  37                 this.strict = strict;
  38         }
  39
  40         @Override
  41         public String getId()
  42         {
  43                 return strict ? STRICT_AM2900_MACHINE_ID : SIMPLE_AM2900_MACHINE_ID;
  44         }
  45
  46         @Override
  47         public Am2900Machine createNew()
  48         {
  49                 return createNew(new LogicModelModifiable());
  50         }
  51
  52         public Am2900Machine createNew(LogicModelModifiable model)
  53         {
  54                 return new Am2900Machine(model, this);
  55         }
  56
  57         @Override
  58         public ISASchema getISASchema()
  59         {
  60                 // TODO Auto-generated method stub
  61                 return null;
  62         }
  63
  64         @Override
  65         public Set<Register> getRegisters()
  66         {
  67                 return allRegisters;
  68         }
  69
  70         @Override
  71         public int getAddressBits()
  72         {
  73                 return 16;
  74         }
  75
  76         @Override
  77         public Am2900MainMemoryDefinition getMainMemoryDefinition()
  78         {
  79                 return Am2900MainMemoryDefinition.instance;
  80         }
  81
  82         @Override
  83         public int hashCode()
  84         {
  85                 return strict ? 12345 : 54321;
  86         }
  87
  88         @Override
  89         public boolean equals(Object obj)
  90         {
  91                 return obj != null && obj instanceof AbstractAm2900MachineDefinition
  92                                 && ((AbstractAm2900MachineDefinition) obj).strict == this.strict;
  93         }
  94
  95         @Override
  96         public Am2900MicroInstructionMemoryDefinition getMicroInstructionMemoryDefinition()
  97         {
  98                 return Am2900MicroInstructionMemoryDefinition.instance;
  99         }
 100
 101         @Override
 102         public Set<RegisterGroup> getRegisterGroups()
 103         {
 104                 return null; // TODO create groups for am2904, am2901-asmUsable, am2901-internal, ...
 105         }
 106
 107 }