testCode/com/sun/vlsi/chips/marina/test/InstructionStopper.java

   1 package com.sun.vlsi.chips.marina.test;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import com.sun.async.test.BitVector;
   7 import com.sun.async.test.ChainControl;
   8 import com.sun.async.test.ChipModel;
   9
  10 import edu.berkeley.fleet.api.Dock;
  11 import edu.berkeley.fleet.api.Instruction;
  12 import edu.berkeley.fleet.marina.MarinaFleet;
  13
  14 import static com.sun.vlsi.chips.marina.test.Marina.INSTRUCTION_LENGTH;
  15
  16 /**
  17  * InstructionStopper is a scaffold that lets us create a 36 bit propperStopper
  18  * by using a 52 bit propperStopper and throwing away the unused bits.
  19  */
  20 public class InstructionStopper extends ProperStopper {
  21
  22     public InstructionStopper(String propInst,
  23                               String controlChain, String dataChain,
  24                               String reportChain,
  25                               ChainControls cc, ChipModel model,
  26                               boolean clockHack,
  27                               Indenter indenter) {
  28         super(propInst, controlChain, dataChain, reportChain, cc, model, clockHack, indenter);
  29     }
  30
  31     public void fill(BitVector instr) {
  32         if (instr.getNumBits()==MarinaPacket.PACKET_WIDTH) {
  33             super.fill(instr);
  34         } else {
  35             MarinaUtils.expectLength(instr, INSTRUCTION_LENGTH);
  36             BitVector pad = new BitVector(MarinaPacket.WORD_WIDTH-INSTRUCTION_LENGTH, "pad");
  37             pad.setFromLong(0);
  38             super.fill(new MarinaPacket(instr.cat(pad), false));
  39         }
  40     }
  41
  42     // FIXME: I really don't like this --Adam
  43     public BitVector drainNoCheck() {
  44         BitVector dta = super.drainNoCheck();
  45         return dta.get(15, INSTRUCTION_LENGTH);
  46     }
  47
  48     /** put one Instruction into InstructionStopper */
  49     public void fill(Instruction instr) {
  50         fill(MarinaUtils.berkToSun(MarinaTest.marinaFleet.encodeInstruction(MarinaTest.marinaFleet.getOnlyInputDock(), instr)));
  51     }
  52
  53     /* put a torpedo into the InstructionStopper */
  54     public void fillTorpedo() {
  55         throw new RuntimeException("currently not implemented");
  56     }
  57 }