1 package com.sun.vlsi.chips.marina.test;
2 /* -*- tab-width: 4 -*- */
3 import java.util.ArrayList;
6 import com.sun.electric.tool.simulation.test.*;
7 import com.sun.vlsi.chips.marina.test.Marina.Ilc;
8 import com.sun.vlsi.chips.marina.test.CmdArgs;
9 import com.sun.vlsi.chips.marina.test.CmdArgs.Mode;
11 import edu.berkeley.fleet.api.Dock;
12 import edu.berkeley.fleet.api.Instruction;
13 import edu.berkeley.fleet.api.Predicate;
14 import edu.berkeley.fleet.api.Instruction.Set.SetDest;
15 import edu.berkeley.fleet.api.Instruction.Set.SetSource;
16 import edu.berkeley.fleet.marina.MarinaFleet;
17 import edu.berkeley.fleet.marina.MarinaPath;
24 public class MarinaTest {
25 public static final MarinaFleet marinaFleet = new MarinaFleet();
26 public static final Dock dock = marinaFleet.getOnlyInputDock();
28 public static float vdd = 1.0f;
30 //-------------------------- constants -----------------------------------
31 private static final String SCAN_CHAIN_XML = "marina.xml";
32 private static final String NET_LIST = "marina.spi";
34 public static final int INSTR_SZ = 36;
37 public static final Instruction.Set.FlagFunction CLEAR_FLAG
38 = Instruction.Set.FlagFunction.ZERO;
39 public static final Instruction.Set.FlagFunction SET_FLAG
40 = Instruction.Set.FlagFunction.ZERO.add(Predicate.FlagA)
41 .add(Predicate.NotFlagA);
42 public static final Instruction.Set.FlagFunction A_FLAG
43 = Instruction.Set.FlagFunction.ZERO.add(Predicate.FlagA);
45 public static final Instruction.Set.FlagFunction B_FLAG
46 = Instruction.Set.FlagFunction.ZERO.add(Predicate.FlagB);
48 // COLUMN_LATENCY is a delay that is larger than the latency through an Infinity column
49 private static final int COLUMN_LATENCY = 10; // nanoseconds
52 // Officially, this should be the number of requeueing no-ops that
53 // can be inserted into an idle dock whose OLC is nonzero.
55 // Less formally, this is roughly the number of stages of
56 // buffering between the instruction insertion point and the
57 // instruction ring, plus the capacity of the instruction ring.
58 private static final int INSTRUCTION_IN_SATURATION_AMOUNT = 19;
60 // This is some number which is significantly greater than
61 // INSTRUCTION_IN_SATURATION_AMOUNT. Increasing it may slow the tests down, but
62 // will never cause them to operate incorrectly.
63 private static final int MORE_THAN_INSTRUCTION_IN_SATURATION_AMOUNT = 25;
65 // This is the number of items which can be in the instruction
66 // fifo ring WITHOUT causing it to stop circulating.
67 private static final int INSTRUCTION_RING_CAPACITY = 13;
69 // Officially, this should be the number of data items which can
70 // be sent from the dock while the "data" proper stopper is in
71 // the "stopped" state
73 // Less formally, this is roughly the number of stages of
74 // buffering between the dock's data successor and the "data"
77 FIXME: what is the correct value here?
78 private static final int DATA_OUT_SATURATION_AMOUNT = XXX;
81 // This is some number which is greater than
82 // DATA_OUT_SATURATION_AMOUNT, but less than the capacity of the
84 private static final int MORE_THAN_DATA_OUT_SATURATION_AMOUNT = 10;
86 // Nominal cycle time assuming 4 GHz throughput
87 public static double CYCLE_TIME_NS;
89 //-------------------------------- types ---------------------------------
91 //-------------------------- private data --------------------------------
92 private static long startTime;
94 public static Indenter indenter = new Indenter();
95 private Marina marina;
96 private ChipModel model;
97 //private ChainControl cc;
98 //private JtagTester tester;
99 private CmdArgs cmdArgs;
100 private PowerChannel corePowerSupply, padsPowerSupply;
101 private VoltageReadable coreVoltmeter, voltmeterForCurrent;
105 private ChainTest ctD, ctR, ctC, ct;
106 private ChainControl ccD, ccR, ccC, cc;
108 //-------------------------- private methods -----------------------------
109 /** @return true if simulation. Return false if we're testing silicon. */
110 private boolean sim() {return model instanceof SimulationModel;}
112 private void prln(String msg) {indenter.prln(msg);}
113 private void pr(String msg) {indenter.pr(msg);}
114 private void adjustIndent(int n) {indenter.adjustIndent(n);}
116 public static void fatal(boolean pred, String msg) { MarinaUtils.fatal(pred, msg); }
118 public static void fatalIfBitVectorsDoNotMatch(BitVector bv1, BitVector bv2) {
119 // FIXME: better error reporting needed here
121 fatal(bv1.getNumBits()!=bv2.getNumBits(), "lengths do not match");
123 boolean mismatch = false;
125 for(int i=0; i<bv1.getNumBits(); i++) {
126 if (bv1.get(i) != bv2.get(i)) {
131 fatal(mismatch, "bit vectors do not match on bits " + err + "\n "+bv1+"\n "+bv2);
134 private static void printTestTime() {
135 long endTime = System.currentTimeMillis();
136 System.out.println("Test took: "+(endTime-startTime)/1000.0+" sec");
139 // Tell user what we're about to do
140 private static void reportTask(CmdArgs args) {
141 System.out.println("Begin testing Marina");
143 case WHOLE_CHIP_SCHEMATIC_PARASITICS:
144 System.out.println(" Simulate whole chip, schematic parasitics");
146 case WHOLE_CHIP_LAYOUT_PARASITICS:
147 System.out.println(" Simulate whole chip, layout parasitics");
150 System.out.println(" Test silicon");
153 fatal(true, "unrecognized CmdArgs.Mode");
157 private void setUpSuppliesAndMeters(Station station) {
158 // set up power supplies and meters
160 prln("Testing station: "+station);
161 Infrastructure.gpibControllers = new int[] {0};
162 switch (cmdArgs.station) {
164 corePowerSupply = new Pst3202Channel("ch1", "HPST3202", 1);
165 padsPowerSupply = new Pst3202Channel("ch2", "HPST3202", 2);
168 corePowerSupply = new Pst3202Channel("ch1", "HPST3202B", 1);
169 padsPowerSupply = new Pst3202Channel("ch2", "HPST3202B", 2);
172 fatal(true, "Unrecognized station: "+cmdArgs.station);
174 corePowerSupply.setCurrent((float)1.7);
175 corePowerSupply.setVoltageWait((float)1.0);
177 padsPowerSupply.setCurrent((float)0.100);
178 padsPowerSupply.setVoltageWait((float)1.8);
180 coreVoltmeter = new HP34401A(station.coreVoltmeter);
181 voltmeterForCurrent = new HP34401A(station.currentVoltmenter);
185 private MarinaTest(String[] args) throws Exception {
186 cmdArgs = new CmdArgs(args);
188 if (cmdArgs.mode==Mode.TEST_SILICON) doSilicon(); else doSim();
191 static PowerChannel vdd18;
192 static PowerChannel vdd10;
194 private void doSim() throws Exception {
196 switch (cmdArgs.mode) {
197 case WHOLE_CHIP_SCHEMATIC_PARASITICS:
198 netListName = NET_LIST;
200 case WHOLE_CHIP_LAYOUT_PARASITICS:
201 netListName = "marina_pads_guts.spi";
204 fatal(true, "unrecognized CmdArgs.Mode");
208 Infrastructure.gpibControllers = new int[]{1};
209 vdd18 = new Pst3202Channel("ch2", "tiPST3202", 2);
210 vdd10 = new Pst3202Channel("ch3", "tiPST3202", 3);
211 vdd10.setVoltageNoWait(vdd);
212 vdd18.setVoltageNoWait(1.8f);
214 model = cmdArgs.useVerilog
220 : new NanosimModel();
222 if (model instanceof SimulationModel)
223 ((SimulationModel)model).setOptimizedDirectReadsWrites(true);
225 CYCLE_TIME_NS = cmdArgs.useVerilog ? (100*20) : 0.250;
227 model instanceof VerilogModel
231 : model instanceof ChipModel
235 System.err.println("constructing jtag controller");
237 model instanceof SimulationModel
238 ? ((SimulationModel)model).createJtagTester("TCK", "TMS", "TRSTb", "TDI", "TDO")
239 : new Netscan("jtag2"); // bad kessels counter
240 //: new Netscan4("jtag3", 4); // good kessels counter
241 JtagLogicLevel mc0=null;
242 JtagLogicLevel mc1=null;
243 if (tester instanceof Netscan) {
244 ((Netscan)tester).reset();
246 // not sure if "GPIO1" means "index 0" or not
247 mc0 = new JtagLogicLevel(tester, 0);
248 mc1 = new JtagLogicLevel(tester, 1);
249 mc0.setLogicState(true);
250 mc1.setLogicState(true);
253 Logger.setLogInits(true);
254 tester.setLogSets(true);
255 tester.setLogOthers(true);
256 tester.setAllLogging(true);
257 tester.printInfo = true;
259 tester.printInfo = false;
261 ChainControls ccs = new ChainControls();
262 PowerChannel pc = new ManualPowerChannel("pc", false);
264 JtagTester testerD, testerR, testerC;
265 testerD = ((SimulationModel)model).createJtagSubchainTester("sid[1:9]", null);
266 testerR = ((SimulationModel)model).createJtagSubchainTester("sir[1:9]", null);
267 testerC = ((SimulationModel)model).createJtagSubchainTester("sic[1:9]", null);
268 testerD.printInfo = testerR.printInfo = testerC.printInfo = false;
270 ccD = new ChainControl(SCAN_CHAIN_XML, testerD, 1.8f, khz);
271 ccR = new ChainControl(SCAN_CHAIN_XML, testerR, 1.8f, khz);
272 ccC = new ChainControl(SCAN_CHAIN_XML, testerC, 1.8f, khz);
273 ccD.noTestSeverity = ccR.noTestSeverity = ccC.noTestSeverity = Infrastructure.SEVERITY_NOMESSAGE;
276 ctD = new ChainTest(ccD, pc);
277 ctR = new ChainTest(ccR, pc);
278 ctC = new ChainTest(ccC, pc);
281 ccs.addChain(Marina.DATA_CHAIN, ccD);
282 ccs.addChain(Marina.REPORT_CHAIN, ccR);
283 ccs.addChain(Marina.CONTROL_CHAIN, ccC);
286 PowerChannel ch2 = new Pst3202Channel("ch2", "tiPST3202", 2);
287 PowerChannel ch3 = new Pst3202Channel("ch3", "tiPST3202", 3);
288 Infrastructure.gpibControllers = new int[]{1};
289 ch2.setVoltageNoWait(1f);
290 ch3.setVoltageNoWait(1.8f);
294 cc = new ChainControl(SCAN_CHAIN_XML, tester, 1.8f, khz);
295 cc.noTestSeverity = Infrastructure.SEVERITY_NOMESSAGE;
296 ct = new ChainTest(cc, pc);
297 ccs.addChain(Marina.DATA_CHAIN, cc);
298 ccs.addChain(Marina.REPORT_CHAIN, cc);
299 ccs.addChain(Marina.CONTROL_CHAIN, cc);
301 marina = new Marina(ccs, model, !cmdArgs.jtagShift, indenter);
305 if (model instanceof NanosimModel) {
306 NanosimLogicSettable mc = (NanosimLogicSettable)
307 ((SimulationModel)model).createLogicSettable(Marina.MASTER_CLEAR);
308 mc.setInitState(true);
311 prln("starting model");
312 if (model instanceof VerilogModel)
313 ((SimulationModel)model).start("verilog", "marina.v", VerilogModel.DUMPVARS, !cmdArgs.jtagShift);
314 else if (model instanceof HsimModel)
315 ((SimulationModel)model).start("hsim64", netListName, 0, !cmdArgs.jtagShift);
316 else if (model instanceof NanosimModel)
317 ((SimulationModel)model).start("nanosim -c cfg", netListName, 0, !cmdArgs.jtagShift);
320 prln("model started");
323 prln("deasserting master clear");
324 if (model instanceof SimulationModel)
325 ((SimulationModel)model).setNodeState(Marina.MASTER_CLEAR, 0);
327 marina.masterClear();
330 if (cmdArgs.testNum!=0 && cmdArgs.testNum!=1) {
332 cc.shift(Marina.CONTROL_CHAIN, false, true);
335 doOneTest(cmdArgs.testNum);
337 if (model instanceof SimulationModel)
338 ((SimulationModel)model).finish();
340 private void doSilicon() throws Exception {
341 model = new SiliconChip();
342 String ip = cmdArgs.station.ipAddr;
343 JtagTester tester = new Netscan4(ip, cmdArgs.station.jtagChannel);
344 tester.printInfo = false;
346 ChainControl cc = new ChainControl("???", tester, 1.8f, khz);
347 cc.noTestSeverity = Infrastructure.SEVERITY_NOMESSAGE;
348 ChainControls ccs = new ChainControls();
349 ccs.addChain(Marina.DATA_CHAIN, cc);
350 ccs.addChain(Marina.REPORT_CHAIN, cc);
351 ccs.addChain(Marina.CONTROL_CHAIN, cc);
352 marina = new Marina(ccs, model, false, indenter);
353 PowerChannel pc = new ManualPowerChannel("pc", false);
354 ChainTest ct = new ChainTest(cc, pc);
355 ct.testAllChains("marina", Infrastructure.SEVERITY_WARNING);
356 doOneTest(cmdArgs.testNum);
357 setUpSuppliesAndMeters(cmdArgs.station);
360 /** In the absence of looping, the longest path through Infinity is 4 column delays */
361 private void waitUntilQuiescent() {
362 model.waitNS(4*COLUMN_LATENCY);
365 private double readCurrent() {
366 return voltmeterForCurrent.readVoltage() / cmdArgs.station.ammeterShuntResistance;
369 /** Generate List of BitVectors where Token=true, high 25 data bits
370 * are alternating ones and zeros, low 12 data bits increment from
371 * zero, and address is given by addr. */
372 private List<BitVector> makeIncrDataConstAdr(int num, int addr) {
373 List<BitVector> ans = new ArrayList<BitVector>();
374 BitVector dHi = new BitVector(25, "dataHi");
375 BitVector dLo = new BitVector(12, "dataLo");
376 BitVector t = new BitVector("1", "token");
377 BitVector a = new BitVector(14, "addr");
378 dHi.setFromLong(0x00aaaaa);
380 for (int i=0; i<num; i++) {
382 ans.add(dHi.cat(dLo).cat(t).cat(a));
387 private void stopToStop(ProperStopper s1, ProperStopper s2,
389 List<BitVector> din) {
390 prln("Begin stopToStop");
395 long ctrStart = ctr==null ? 0 : ctr.getCount();
398 waitUntilQuiescent();
400 List<BitVector> dout = s2.drainMany();
402 MarinaUtils.compareItemsOrdered(din, dout);
405 long ctrEnd = ctr.getCount();
406 long delta = ctrEnd - ctrStart;
407 long expect = din.size();
409 "counter delta wrong: expected delta: "+expect+
410 " counter before:"+ctrStart+" counter after:"+ctrEnd);
414 prln("End stopToStop");
416 /** Burst data from src to dst. gate is stopped while loading src. gate
417 * is then run to allow the burst to flow. */
418 private void stopToStopBurst(ProperStopper src, ProperStopper gate,
421 List<BitVector> din) {
422 prln("Begin stopToStopBurst test");
428 long ctrStart = ctr==null ? 0 : ctr.getCount();
431 waitUntilQuiescent();
433 // open the gate to start the burst
435 waitUntilQuiescent();
437 List<BitVector> dout = dst.drainMany();
439 MarinaUtils.compareItemsOrdered(din, dout);
442 long ctrEnd = ctr.getCount();
443 long delta = ctrEnd - ctrStart;
445 long expectA = din.size();
446 fatal(delta!=expectA,
447 "counter delta wrong: expected delta: "+expectA+
448 " counter before:"+ctrStart+" counter after:"+ctrEnd);
452 prln("End stopToStopBurst test");
455 private void stopToStopOne(ProperStopper s1, ProperStopper s2,
456 Counter ctr, int adr) {
457 prln("Begin stopToStopOne");
460 List<BitVector> din = makeIncrDataConstAdr(1, adr);
461 stopToStop(s1, s2, ctr, din);
464 prln("End stopToStopOne");
467 private void stopToStopThree(ProperStopper s1, ProperStopper s2,
468 Counter ctr, int adr) {
469 prln("Begin stopToStopOne");
472 List<BitVector> din = makeIncrDataConstAdr(3, adr);
473 stopToStop(s1, s2, ctr, din);
476 prln("End stopToStopOne");
479 private int indexOf(BitVector o, List<BitVector> dIn) {
480 for (int i=0; i<dIn.size(); i++) {
481 if (o.equals(dIn.get(i))) return i;
485 private String ringDump(List<BitVector> dIn, List<BitVector> dOut) {
486 StringBuffer sb = new StringBuffer();
487 sb.append(" ring dump: ");
488 for (BitVector o : dOut) {
489 sb.append(indexOf(o, dIn)+" ");
491 return sb.toString();
494 private int[][] makeIntArray2D(int a, int b) {
495 int[][] ans = new int[a][];
496 for (int i=0; i<a; i++) ans[i] = new int[b];
500 //=========================================================================
501 // Put top level tests here
503 private void testChains(Marina marina) {
505 prln("Testing control chain...");
506 ctC.testOneChain(Marina.CONTROL_CHAIN, Infrastructure.SEVERITY_WARNING);
508 ccC.shift(Marina.CONTROL_CHAIN, false, true);
512 prln("Testing data chain...");
513 ctD.testOneChain(Marina.DATA_CHAIN, Infrastructure.SEVERITY_WARNING);
515 //ccD.shift(Marina.DATA_CHAIN, false, true);
519 prln("Testing report chain...");
520 ctR.testOneChain(Marina.REPORT_CHAIN, Infrastructure.SEVERITY_WARNING);
522 //ccR.shift(Marina.REPORT_CHAIN, false, true);
526 prln("Testing control chain...");
527 ct.testOneChain(Marina.CONTROL_CHAIN, Infrastructure.SEVERITY_WARNING);
529 cc.shift(Marina.CONTROL_CHAIN, false, true);
530 prln("Testing data chain...");
531 ct.testOneChain(Marina.DATA_CHAIN, Infrastructure.SEVERITY_WARNING);
532 prln("Testing report chain...");
533 ct.testOneChain(Marina.REPORT_CHAIN, Infrastructure.SEVERITY_WARNING);
537 private void testProperStoppers(Marina marina) {
538 prln("Begin testProperStoppers");
541 for(ProperStopper ps : new ProperStopper[] { marina.data, marina.instrIn }) {
543 prln("testing " + (ps == marina.data ? "data" : "instruction") + " stopper");
546 prln("un-stopping stopper");
548 fatal( ps.getStopped(), "stopper should not have been stopped, but was");
550 prln("stopping stopper");
552 fatal( !ps.getStopped(), "stopper should have been stopped, but was not");
560 private void sendInstructions(Marina marina) {
561 prln("Begin sendInstructions");
564 List<BitVector> din = new ArrayList<BitVector>();
566 BitVector count = new BitVector(MarinaPacket.WORD_WIDTH,"count");
567 BitVector one = new BitVector(MarinaPacket.WORD_WIDTH, "one");
568 count.setFromLong(0);
570 for (int i=0; i<3; i++) {
572 count = count.add(one);
575 for(BitVector d : din)
576 marina.instrIn.fill(new MarinaPacket(d, false, MarinaPacket.null_path));
579 prln("End sendInstructions");
582 private void sendToken(Marina marina) {
583 prln("Begin sendToken");
586 //getCtrsFlags(marina);
588 int nbToks = marina.getNumTokens();
589 fatal(nbToks!=0, "Expected no tokens on initialization but got: "+nbToks+" tokens");
591 marina.instrIn.fill(setIlc(1));
592 marina.instrIn.fill(SEND_TOKEN);
593 nbToks = marina.getNumTokens();
594 fatal(nbToks!=1, "Expected one token to emerge but got: "+nbToks+" tokens");
597 prln("End sendToken");
600 private void sendData(Marina marina) {
601 prln("Begin sendData");
604 edu.berkeley.fleet.api.BitVector bv = new edu.berkeley.fleet.api.BitVector(13);
605 for(int i=0; i<bv.length(); i+=2) bv.set(i, false);
606 MarinaPath path = new MarinaPath((MarinaFleet)dock.getShip().getFleet(), bv);
608 marina.instrIn.fill(setIlc(1));
609 marina.instrIn.fill(SEND_DATA);
611 List<BitVector> dataItems = marina.data.drainMany();
612 fatal(dataItems.size()!=1, "Expected one data item to emerge but got: "+dataItems.size()+" data items");
614 MarinaPacket mp = new MarinaPacket(dataItems.get(0));
615 fatal(mp.tokenhood, "Expected tokenhood=data, but got tokenhood=token");
618 prln("End sendData");
621 private void sendDataIlcInfinite(Marina marina) {
622 prln("Begin sendDataIlcInfinite");
625 marina.fillSouthProperStopper(new Instruction[] {
626 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,SetSource.Infinity),
632 List<BitVector> dataItems = marina.data.drainMany(howmany);
633 fatal(dataItems.size()!=howmany,
634 "Expected an unending supply of data items to emerge but only got got: "+dataItems.size());
637 prln("End sendDataIlcInfinite");
640 private Instruction setOlc(int olc) {
641 return new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, olc);
643 private Instruction setOlcIfZero(int olc) {
644 return new Instruction.Set(dock,Predicate.Default,SetDest.OuterLoopCounter, olc);
646 private Instruction setIlc(int ilc) {
647 return new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, ilc);
650 private void testFlagD(Marina marina) {
651 prln("Begin testFlagD");
654 List<BitVector> toks;
656 Predicate only_if_olc_zero = Predicate.FlagD;
657 Predicate only_if_olc_nonzero = Predicate.Default;
659 marina.instrIn.fill(setIlc(1));
661 for(int olc : new int[] { 1, 0 }) {
662 for(boolean predicate_olc_nonzero : new boolean[] { true, false }) {
663 prln("Attempting send data item with "+
665 "predicate olc"+(predicate_olc_nonzero?"!=0":"==0"));
668 marina.fillSouthProperStopper(new Instruction[] {
670 new Instruction.Move(dock,
671 predicate_olc_nonzero // predicate
672 ? only_if_olc_nonzero
675 false, // torpedoable
685 expectNorthFifoExactly((predicate_olc_nonzero == (olc!=0)) ? 1 : 0);
687 for(int i=0; i<olc; i++)
688 marina.instrIn.fill(DEC);
694 prln("End testFlagD");
697 private void testPredicationOnAB(Marina marina) {
698 prln("Begin testPredicationOnAB");
701 List<BitVector> dItems;
703 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 1));
704 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, 1));
706 for(boolean flag_a : new boolean[] { false, true }) {
707 for(boolean flag_b : new boolean[] { false, true }) {
708 prln("Setting flags, a="+flag_a+" b="+flag_b);
709 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,
711 ? Instruction.Set.FlagFunction.ONE
712 : Instruction.Set.FlagFunction.ZERO,
714 ? Instruction.Set.FlagFunction.ONE
715 : Instruction.Set.FlagFunction.ZERO
717 getCtrsFlags(marina);
720 for(Predicate predicate : new Predicate[] {
728 prln("Attempting send data with a="+flag_a+", b="+flag_b+", predicate="+predicate);
730 marina.instrIn.fill(new Instruction.Move(dock,
731 predicate, // predicate
732 false, // torpedoable
742 dItems = marina.data.drainMany();
743 int expected = predicate.evaluate(flag_a, flag_b, false, false) ? 1 : 0;
744 fatal(dItems.size()!=expected, "Expected "+expected+" data items to emerge but got: "+
745 dItems.size()+" items(s)");
751 prln("End testPredicationOnAB");
755 private void showOlc() {
756 prln("OLC=="+marina.getOLC());
758 private void expectOlc(int x) {
759 int olc = marina.getOLC();
760 fatal(x!=olc, "expected OLC=="+x+", but scanned out OLC=="+olc);
763 private void getCtrsFlags(Marina marina) {
764 prln("begin getCtrsFlags");
768 Ilc ilc = marina.getILC();
769 prln("ILC.done=="+ilc.getDone()+
770 " ILC.infinity=="+ilc.getInfinity()+
771 " ILC.count=="+ilc.getCount());
772 prln("flagA=="+marina.getFlagA());
773 prln("flagB=="+marina.getFlagB());
775 prln("end getCtrsFlags");
778 private void walkOneOLC(Marina marina) {
779 prln("Begin walkOneOLC");
782 //for (int i=-1; i<6; i++) {
783 marina.fillSouthProperStopper(new Instruction[] {
785 new Instruction.Head(dock),
787 // new Instruction.Set(dock,Predicate.IgnoreFlagD, SetDest.OuterLoopCounter, 1),
791 TORPEDOABLE_RECV_DATA,
797 //new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, SetSource.Decrement),
799 new Instruction.Tail(dock),
801 marina.fillSouthProperStopper(new Instruction[] {
806 BitVector bits = null;
807 marina.shiftReport(true, false);
808 for(int i=0; i<4; i++) {
809 BitVector x = marina.cc.getOutBits(marina.REPORT_CHAIN+"."+marina.OLC_PATH_KESSEL+i);
810 //System.out.println("bits are: " + x);
811 bits = bits==null ? x : bits.cat(x);
813 System.out.println("dec="+bits.get(0));
814 if (bits.get(1)) throw new RuntimeException();
817 /* for (int i=0; i<64; i++) {
819 if (marina.kesselsCounter) {
820 System.out.println("master-clearing...");
821 // master clear on each iteration; otherwise we'd need to "run down" the olc
822 marina.masterClear();
823 marina.enableInstructionSend(true);
826 expectTokensExactly(0);
829 int inOlc = i==-1 ? 0 : (1<<i);
831 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, inOlc));
832 marina.instrIn.fill(SEND_DATA_IF_D_SET);
833 marina.instrIn.fill(SEND_DATA_IF_D_NOT_SET);
834 marina.instrIn.fill(SEND_DATA);
836 model.waitNS(128 * CYCLE_TIME_NS);
839 prln("walkOneOLC: "+inOlc+" checks out");
840 expectNorthFifoExactly(0);
843 prln("End walkOneOLC");
846 private void walkOneILC(Marina marina) {
847 prln("Begin walkOneILC");
849 for (int i=0; i<6; i++) {
850 // Mask off the "zero" bit position
852 prln("inIlc="+inIlc);
853 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, inIlc));
854 Ilc ilc = marina.getILC();
855 int outIlc = ilc.getCount();
856 fatal(outIlc!=inIlc, "bad ILC count: "+outIlc+" expected: "+inIlc);
857 fatal(ilc.getInfinity(), "bad Infinity bit: true");
859 prln("Now test the infinity bit");
860 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, SetSource.Infinity));
861 Ilc ilc = marina.getILC();
862 fatal(!ilc.getInfinity(), "bad Infinity bit: false");
864 prln("End walkOneILC");
866 private void countIlc(Marina marina) {
867 final int maxIlc = 63;
868 prln("Begin countIlc");
871 marina.instrIn.fill(new
872 Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, maxIlc));
874 int ilc = marina.getILC().getCount();
875 fatal(ilc!=maxIlc, "bad ILC count: "+ilc+" expected: "+maxIlc);
877 prln("execute a move instruction that does nothing except decrement the ILC to zero");
879 new Instruction.Move(dock,
880 Predicate.IgnoreFlagD, // predicate
881 false, // torpedoable
891 // wait for ILC to count from 63 to 0
892 model.waitNS(128 * CYCLE_TIME_NS);
893 //model.waitNS(10000);
895 prln("Check that ILC==0");
896 ilc = marina.getILC().getCount();
897 fatal(ilc!=0, "bad ILC count: "+ilc+" expected: "+0);
900 prln("End countIlc");
902 // Note: countOlc takes 44 minutes to run on nanosim
903 private void countOlc(Marina marina) {
905 prln("Begin countOlc");
908 marina.instrIn.fill(setOlc(maxOlc));
910 for (int i=maxOlc; i>=0; i--) {
911 model.waitNS(128 * CYCLE_TIME_NS);
912 prln("OLC should be: "+i);
914 marina.instrIn.fill(new
915 Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, SetSource.Decrement));
919 prln("End countOlc");
921 private void loadEveryValueOLC(Marina marina) {
924 for (int i=0; i<(1<<6); i++) {
926 if (marina.kesselsCounter) {
927 System.out.println("master-clearing...");
928 // master clear on each iteration; otherwise we'd need to "run down" the olc
929 marina.masterClear();
930 marina.enableInstructionSend(true);
934 marina.fillSouthProperStopper(new Instruction[] {
938 // to ensure that instruction is bubble-limited
941 // the Set-OLC instruction
942 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, inOlc),
944 // put a Set-ILC instruction right behind it with inverted bits to be sure we're
945 // not capturing the instruction-latch value too late in the cycle
946 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, (inOlc ^ (~(-1<<6)))),
950 model.waitNS(128 * CYCLE_TIME_NS);
951 marina.fillNorthProperStopper();
952 model.waitNS(128 * CYCLE_TIME_NS);
955 prln("loadEveryValueOLC: "+inOlc+" checks out");
960 private void saturateInstructionFifo(Marina marina, Instruction instruction, int quantity, boolean expect_it_to_jam_up) {
961 prln("Inserting "+quantity+" copies of \"" + instruction + "\"");
964 for(i=0; i<quantity; i++) {
965 prln("Inserting instruction " + (i+1) +"/"+ quantity);
966 marina.instrIn.fill(instruction);
967 boolean jammed = (marina.instrIn.getFillStateWire()==MarinaUtils.StateWireState.FULL);
968 if (jammed && expect_it_to_jam_up) {
969 prln("Stopper remained full after inserting instruction; this was expected; we are happy.");
973 fatal(jammed, "Instruction stopper did not drain after inserting " + (i+1) + " instructions; not good!");
975 fatal(expect_it_to_jam_up, "Expected instruction stopper to jam up, but it did not");
977 prln("Successfully inserted " + i + " instructions");
980 private static MarinaPath null_path = new MarinaPath((MarinaFleet)dock.getShip().getFleet(),
981 MarinaUtils.sunToBerk(MarinaPacket.null_path));
983 private static final Instruction DEC =
984 new Instruction.Set(dock,Predicate.Default,SetDest.OuterLoopCounter, SetSource.Decrement);
986 private static final Instruction FLAG_NOP =
987 new Instruction.Set(dock, Predicate.IgnoreFlagD,
988 CLEAR_FLAG.add(Predicate.FlagA),
989 CLEAR_FLAG.add(Predicate.FlagB));
991 private static final Instruction NOP =
992 new Instruction.Move(dock,
993 Predicate.IgnoreFlagD, /* predicate */
994 false, /* torpedoable */
998 false, /* latchData */
999 false, /* latchPath */
1000 false, /* dataOut */
1001 false /* tokenOut */
1004 private static final Instruction SEND_DATA =
1005 new Instruction.Move(dock,
1006 Predicate.IgnoreFlagD, /* predicate */
1007 false, /* torpedoable */
1008 null_path, /* path */
1009 false, /* tokenIn */
1011 false, /* latchData */
1012 false, /* latchPath */
1014 false /* tokenOut */
1017 private static final Instruction SEND_DATA_IF_D_NOT_SET =
1018 new Instruction.Move(dock,
1019 Predicate.Default, /* predicate */
1020 false, /* torpedoable */
1021 null_path, /* path */
1022 false, /* tokenIn */
1024 false, /* latchData */
1025 false, /* latchPath */
1027 false /* tokenOut */
1030 private static final Instruction SEND_DATA_IF_D_SET =
1031 new Instruction.Move(dock,
1032 Predicate.FlagD, /* predicate */
1033 false, /* torpedoable */
1034 null_path, /* path */
1035 false, /* tokenIn */
1037 false, /* latchData */
1038 false, /* latchPath */
1040 false /* tokenOut */
1043 private static final Instruction SEND_TOKEN_IF_D_SET =
1044 new Instruction.Move(dock,
1045 Predicate.FlagD, /* predicate */
1046 false, /* torpedoable */
1047 null_path, /* path */
1048 false, /* tokenIn */
1050 false, /* latchData */
1051 false, /* latchPath */
1052 false, /* dataOut */
1056 private static final Instruction SEND_TOKEN_IF_D_NOT_SET =
1057 new Instruction.Move(dock,
1058 Predicate.Default, /* predicate */
1059 false, /* torpedoable */
1060 null_path, /* path */
1061 false, /* tokenIn */
1063 false, /* latchData */
1064 false, /* latchPath */
1065 false, /* dataOut */
1069 private static final Instruction TORPEDOABLE_RECV_DATA =
1070 new Instruction.Move(dock,
1071 Predicate.IgnoreFlagD, /* predicate */
1072 true, /* torpedoable */
1074 false, /* tokenIn */
1076 true, /* latchData */
1077 false, /* latchPath */
1078 false, /* dataOut */
1079 false /* tokenOut */
1082 private static final Instruction RECV_DATA =
1083 new Instruction.Move(dock,
1084 Predicate.IgnoreFlagD, /* predicate */
1085 false, /* torpedoable */
1087 false, /* tokenIn */
1089 true, /* latchData */
1090 false, /* latchPath */
1091 false, /* dataOut */
1092 false /* tokenOut */
1095 private static final Instruction SEND_TOKEN =
1096 new Instruction.Move(dock,
1097 Predicate.IgnoreFlagD, /* predicate */
1098 false, /* torpedoable */
1099 null_path, /* path */
1100 false, /* tokenIn */
1102 false, /* latchData */
1103 false, /* latchPath */
1104 false, /* dataOut */
1108 private static final Instruction RECV_TOKEN =
1109 new Instruction.Move(dock,
1110 Predicate.IgnoreFlagD, /* predicate */
1111 false, /* torpedoable */
1115 false, /* latchData */
1116 false, /* latchPath */
1117 false, /* dataOut */
1118 false /* tokenOut */
1122 private void expectNorthFifoNoMoreThan(int num) {
1123 model.waitNS(128 * CYCLE_TIME_NS);
1124 List<BitVector> dataItems = marina.data.drainMany(num+1);
1125 fatal(dataItems.size()>num,
1126 "Expected no more than "+num+
1127 " data items to emerge but got at least: "+dataItems.size());
1129 private void expectNorthFifoExactly(int num) {
1130 model.waitNS(128 * CYCLE_TIME_NS);
1131 List<BitVector> dataItems = marina.data.drainMany(num+1);
1132 fatal(dataItems.size()!=num,
1133 "Expected exactly "+num+
1134 " data items to emerge but got at least: "+dataItems.size());
1136 private void expectNorthFifoAtLeast(int num) {
1137 model.waitNS(128 * CYCLE_TIME_NS);
1138 List<BitVector> dataItems = marina.data.drainMany(num);
1139 fatal(dataItems.size()<num,
1140 "Expected at least "+num+
1141 " data items to emerge but got only: "+dataItems.size());
1143 private void expectTokensNoMoreThan(int num) {
1144 int x = marina.getNumTokens();
1145 List<BitVector> dataItems = marina.data.drainMany(num+1);
1147 "Expected no more than "+num+
1148 " tokens to emerge but got at least: "+x);
1150 private void expectTokensExactly(int num) {
1151 int x = marina.getNumTokens();
1153 "Expected exactly "+num+
1154 " tokens but got at least: "+x);
1157 private void testFlagDRecomputationTime(Marina marina) {
1158 marina.instrIn.fill(setIlc(1));
1159 marina.fillSouthProperStopper(new Instruction[] {
1161 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,0),
1162 SEND_DATA_IF_D_NOT_SET
1164 marina.fillNorthProperStopper();
1165 expectNorthFifoNoMoreThan(0);
1167 marina.fillSouthProperStopper(new Instruction[] {
1169 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,1),
1170 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,SetSource.Decrement),
1171 SEND_DATA_IF_D_NOT_SET
1173 marina.fillNorthProperStopper();
1174 expectNorthFifoNoMoreThan(0);
1176 marina.fillSouthProperStopper(new Instruction[] {
1178 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,2),
1179 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,SetSource.Decrement),
1180 SEND_DATA_IF_D_NOT_SET
1182 marina.fillNorthProperStopper();
1183 expectNorthFifoExactly(1);
1184 marina.instrIn.fill(DEC);
1186 marina.fillSouthProperStopper(new Instruction[] {
1188 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,0),
1189 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,1),
1190 SEND_DATA_IF_D_NOT_SET
1192 marina.fillNorthProperStopper();
1193 expectNorthFifoExactly(1);
1196 private void testTailWaitsForHead(Marina marina) {
1197 marina.instrIn.fill(setIlc(1));
1198 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 63));
1200 marina.enableInstructionSend(false);
1201 marina.enableInstructionRecirculate(true);
1203 marina.instrIn.fill(TORPEDOABLE_RECV_DATA);
1204 marina.instrIn.fill(new Instruction.Head(dock));
1205 marina.instrIn.fill(SEND_DATA);
1206 marina.instrIn.fill(TORPEDOABLE_RECV_DATA);
1207 marina.instrIn.fill(SEND_TOKEN);
1208 marina.instrIn.fill(TORPEDOABLE_RECV_DATA);
1209 marina.instrIn.fill(new Instruction.Tail(dock));
1210 marina.instrIn.fillTorpedo();
1212 marina.enableInstructionRecirculate(false);
1213 marina.enableInstructionSend(true);
1214 marina.instrIn.run();
1216 expectNorthFifoNoMoreThan(0);
1217 prln("inserting into north proper stopper");
1218 marina.fillNorthProperStopper();
1219 expectNorthFifoExactly(1);
1220 int nbToks = marina.getNumTokens();
1221 fatal(nbToks!=1, "Expected one token to emerge but got: "+nbToks+" tokens");
1225 marina.instrIn.fill(setIlc(1));
1226 marina.instrIn.fill(setOlc(1));
1228 // this makes the head wait for the torpedo
1229 marina.instrIn.fill(TORPEDOABLE_RECV_DATA);
1231 // the head should wait for the tail
1232 marina.instrIn.fill(new Instruction.Head(dock));
1233 marina.instrIn.fill(NOP);
1234 marina.instrIn.fill(SEND_DATA);
1235 marina.instrIn.fill(RECV_DATA);
1237 expectNorthFifoNoMoreThan(0);
1239 marina.instrIn.fillTorpedo();
1240 expectNorthFifoNoMoreThan(0);
1242 marina.instrIn.fill(new Instruction.Tail(dock));
1243 expectNorthFifoExactly(1);
1246 private void testTailWithoutHead(Marina marina) {
1247 marina.instrIn.fill(setIlc(1));
1248 marina.fillSouthProperStopper(new Instruction[] {
1249 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 63),
1250 new Instruction.Tail(dock),
1253 List<BitVector> dataItems = marina.data.drainMany(1);
1254 fatal(dataItems.size()!=0, "Expected exactly no data items to emerge but got at least: "+dataItems.size());
1257 private void testHeadWaitsForTail(Marina marina) {
1258 List<BitVector> dataItems;
1260 prln("Begin testHeadWaitsForTail");
1263 marina.instrIn.fill(setIlc(1));
1264 marina.fillSouthProperStopper(new Instruction[] {
1265 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 63),
1266 new Instruction.Head(dock),
1267 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,1),
1271 expectNorthFifoExactly(0);
1272 marina.instrIn.fill(new Instruction.Tail(dock));
1273 expectNorthFifoAtLeast(1);
1276 prln("End testHeadWaitsForTail");
1279 private void testNonTorpedoableMoveDoesNotResetDFlag(Marina marina) {
1280 marina.instrIn.fill(setIlc(1));
1281 marina.fillSouthProperStopper(new Instruction[] {
1282 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,63),
1283 new Instruction.Move(dock,
1284 Predicate.IgnoreFlagD, // predicate
1285 true, // torpedoable
1294 new Instruction.Move(dock,
1295 Predicate.FlagD, // predicate
1296 false, // torpedoable
1306 marina.instrIn.fillTorpedo();
1307 expectNorthFifoExactly(1);
1308 marina.fillSouthProperStopper(new Instruction[] {
1309 new Instruction.Move(dock,
1310 Predicate.Default, // predicate
1311 false, // torpedoable
1321 expectNorthFifoNoMoreThan(0);
1324 private void testAbort(Marina marina) {
1326 marina.instrIn.fill(setIlc(1));
1327 marina.fillSouthProperStopper(new Instruction[] {
1328 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.DataLatch,1),
1329 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,2),
1330 SEND_DATA_IF_D_NOT_SET,
1331 new Instruction.Head(dock),
1332 SEND_DATA_IF_D_NOT_SET,
1333 new Instruction.Set(dock,Predicate.Default,SetDest.DataLatch,2),
1334 new Instruction.Abort(dock, Predicate.FlagD),
1335 new Instruction.Set(dock,Predicate.Default,SetDest.OuterLoopCounter,SetSource.Decrement),
1336 new Instruction.Tail(dock),
1339 for(int i=0; i<4; i++) {
1342 model.waitNS(128 * CYCLE_TIME_NS);
1343 bv = new MarinaPacket(marina.data.drain()).data.bitReverse();
1344 fatal(bv==null, "no data item found");
1345 prln("got " + bv.toLong());
1346 fatal(bv.toLong()!=1, "expected 1, got " + bv.toLong());
1348 model.waitNS(128 * CYCLE_TIME_NS);
1349 bv = new MarinaPacket(marina.data.drain()).data.bitReverse();
1350 fatal(bv==null, "no data item found");
1351 prln("got " + bv.toLong());
1352 fatal(bv.toLong()!=1, "expected 1, got " + bv.toLong());
1354 model.waitNS(128 * CYCLE_TIME_NS);
1355 bv = new MarinaPacket(marina.data.drain()).data.bitReverse();
1356 fatal(bv==null, "no data item found");
1357 prln("got " + bv.toLong());
1358 fatal(bv.toLong()!=2, "expected 2, got " + bv.toLong());
1363 private void testAbortOutsideOfLoop(Marina marina) {
1364 marina.instrIn.fill(setIlc(1));
1365 marina.fillSouthProperStopper(new Instruction[] {
1366 // ensure that an abort doesn't cause problems if no loop is in progress
1367 new Instruction.Abort(dock, Predicate.IgnoreFlagD),
1370 expectNorthFifoExactly(1);
1373 private void testFlagAB(Marina marina) {
1374 prln("Begin testFlagAB");
1377 Instruction.Set.FlagFunction zero = Instruction.Set.FlagFunction.ZERO;
1378 Instruction.Set.FlagFunction one = zero;
1381 // we should be able to use any pair of FlagX+NotFlagX,
1382 // but we toss them all in to maximize the chances of the
1383 // test passing (later we will try the individual
1384 // combinations to maximize the chances of failure).
1385 one = one.add(Predicate.FlagA);
1386 one = one.add(Predicate.NotFlagA);
1387 one = one.add(Predicate.FlagB);
1388 one = one.add(Predicate.NotFlagB);
1389 one = one.add(Predicate.FlagC);
1390 one = one.add(Predicate.NotFlagC);
1392 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,1));
1393 for(boolean fast : new boolean[] { true, false }) {
1394 // clear the flags to a known state, then check both 0->1 and 1->0 transitions
1395 for(boolean b : new boolean[] { false, true, false }) {
1396 prln("state: a="+marina.getFlagA()+", b="+marina.getFlagB());
1397 prln((b?"Setting":"Clearing")+" flags");
1399 Instruction inst = new Instruction.Set(dock,Predicate.IgnoreFlagD,
1404 marina.fillSouthProperStopper(new Instruction[] {
1409 model.waitNS(64 * CYCLE_TIME_NS);
1410 marina.fillNorthProperStopper();
1412 marina.instrIn.fill(inst);
1415 fatal(marina.getFlagA()!=b,
1416 "after "+(b?"setting":"clearing")+" FlagA, it was still "+(b?"clear":"set"));
1417 fatal(marina.getFlagB()!=b,
1418 "after "+(b?"setting":"clearing")+" FlagB, it was still "+(b?"clear":"set"));
1423 prln("End testFlagAB");
1427 * WARNING: this is a very, very, very long test case -- it goes
1428 * through 216 iterations.
1430 private void testFlagTruthTable(Marina marina) {
1431 prln("Begin testFlagTruthTable");
1434 marina.instrIn.fill(setIlc(1));
1435 Instruction.Set.FlagFunction zero = Instruction.Set.FlagFunction.ZERO;
1436 Instruction.Set.FlagFunction one = zero.add(Predicate.FlagA).add(Predicate.NotFlagA);
1438 for(Predicate a_input : new Predicate[] { null, Predicate.FlagA, Predicate.NotFlagA })
1439 for(Predicate b_input : new Predicate[] { null, Predicate.FlagB, Predicate.NotFlagB })
1440 for(Predicate c_input : new Predicate[] { null, Predicate.FlagC, Predicate.NotFlagC })
1441 for(boolean a_state : new boolean[] { false, true })
1442 for(boolean b_state : new boolean[] { false, true })
1443 for(boolean c_state : new boolean[] { false, true }) {
1444 for(boolean which : new boolean[] { false, true }) {
1446 prln("before instruction: a="+a_state+", b="+b_state+", c="+c_state);
1447 // set A,B flags to a_state and b_state
1448 marina.instrIn.fill(new
1449 Instruction.Set(dock,Predicate.IgnoreFlagD,
1450 a_state ? one : zero,
1451 b_state ? one : zero
1454 // set C flag to c_state
1455 BitVector data = new BitVector(37, "empty");
1456 BitVector addr = new BitVector(14, "empty");
1457 for(int i=0; i<data.getNumBits(); i++) data.set(i, false);
1458 for(int i=0; i<addr.getNumBits(); i++) addr.set(i, false);
1459 addr.set(Marina.INDEX_OF_ADDRESS_BIT_COPIED_TO_C_FLAG_WHEN_DC_EQUALS_ONE, c_state);
1460 marina.fillNorthProperStopper(new MarinaPacket(data, false, addr));
1461 marina.instrIn.fill(RECV_DATA);
1463 Instruction.Set.FlagFunction func = zero;
1464 if (a_input!=null) func = func.add(a_input);
1465 if (b_input!=null) func = func.add(b_input);
1466 if (c_input!=null) func = func.add(c_input);
1468 Instruction inst = new
1469 Instruction.Set(dock,Predicate.IgnoreFlagD,
1470 !which ? func : zero.add(Predicate.FlagA),
1471 which ? func : zero.add(Predicate.FlagB)
1474 marina.instrIn.fill(inst);
1476 boolean expected_a = !which ? func.evaluate(a_state, b_state, c_state, false) : a_state;
1477 boolean expected_b = which ? func.evaluate(a_state, b_state, c_state, false) : b_state;
1478 fatal(expected_a != marina.getFlagA(),
1479 "expected A="+expected_a+", but got "+marina.getFlagA());
1480 fatal(expected_b != marina.getFlagB(),
1481 "expected B="+expected_b+", but got "+marina.getFlagB());
1485 prln("End testFlagTruthTable");
1488 private void recvData(Marina marina) {
1489 prln("Begin recvData");
1492 marina.instrIn.fill(setIlc(1));
1493 marina.fillSouthProperStopper(new Instruction[] {
1494 new Instruction.Set(dock,Predicate.IgnoreFlagD, CLEAR_FLAG, CLEAR_FLAG),
1495 new Instruction.Move(dock,
1496 Predicate.IgnoreFlagD, // predicate
1497 false, // torpedoable
1506 new Instruction.Set(dock,Predicate.IgnoreFlagD, SET_FLAG, SET_FLAG),
1508 model.waitNS(64 * CYCLE_TIME_NS);
1510 prln("checking to confirm that A flag is cleared");
1511 fatal(marina.getFlagA(), "bad A flag: "+marina.getFlagA());
1513 prln("inserting data item in north fifo ring");
1514 BitVector data = new BitVector(37, "empty");
1515 BitVector addr = new BitVector(14, "empty");
1516 for(int i=0; i<data.getNumBits(); i++) data.set(i, false);
1517 for(int i=0; i<addr.getNumBits(); i++) addr.set(i, false);
1518 marina.fillNorthProperStopper(new MarinaPacket(data, false, addr));
1519 model.waitNS(64 * CYCLE_TIME_NS);
1521 prln("checking to see if A flag got set");
1522 fatal(!marina.getFlagA(), "bad A flag: "+marina.getFlagA());
1525 prln("End recvData");
1529 private void testRecvAndSendWalkingOne(Marina marina) {
1530 prln("Begin testRecvAndSendWalkingOne");
1533 marina.instrIn.fill(setIlc(1));
1535 List<BitVector> dataItems;
1536 for(int bit=0; bit<37; bit++) {
1538 BitVector data = new BitVector(37, "empty");
1539 BitVector addr = new BitVector(14, "empty");
1540 for(int i=0; i<data.getNumBits(); i++) data.set(i, false);
1541 for(int i=0; i<addr.getNumBits(); i++) addr.set(i, false);
1542 data.set(bit, true);
1543 prln("testing with bit pattern " + data);
1545 prln("inserting data item into north fifo ring");
1546 marina.fillNorthProperStopper(new MarinaPacket(data, false, addr));
1548 prln("stopping the north proper stopper");
1551 dataItems = marina.data.drainMany(1);
1552 fatal(dataItems.size()!=0,
1553 "found a data item waiting in the north proper stopper, but should not have");
1555 marina.instrIn.fill(new Instruction.Move(dock,
1556 Predicate.IgnoreFlagD, // predicate
1557 false, // torpedoable
1567 dataItems = marina.data.drainMany(2);
1568 fatal(dataItems.size()!=1,
1569 "found "+dataItems.size()+" data items in north fifo; expected one");
1570 MarinaPacket mp = new MarinaPacket(dataItems.get(0));
1571 fatalIfBitVectorsDoNotMatch(mp.data, data);
1575 prln("End testRecvAndSendWalkingOne");
1580 private void setOlcFromDataLatch(Marina marina) {
1581 prln("Begin setOlcFromDataLatch");
1584 marina.instrIn.fill(setIlc(1));
1586 // walk a bit from 0 to 5
1587 for(int bit=0; bit<6; bit++) {
1588 prln("inserting data item in north fifo ring");
1589 BitVector data = new BitVector(37, "empty");
1590 BitVector addr = new BitVector(14, "empty");
1591 for(int i=0; i<data.getNumBits(); i++) data.set(i, false);
1592 for(int i=0; i<addr.getNumBits(); i++) addr.set(i, false);
1593 data.set(bit, true);
1594 marina.fillNorthProperStopper(new MarinaPacket(data, false, addr));
1596 marina.fillSouthProperStopper(new Instruction[] {
1598 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,SetSource.DataLatch),
1599 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.DataLatch,-1),
1602 model.waitNS(CYCLE_TIME_NS * 64);
1606 if (marina.kesselsCounter) {
1607 // master clear on each iteration; otherwise we'd need to "run down" the olc
1608 marina.masterClear();
1609 marina.enableInstructionSend(true);
1614 prln("End setOlcFromDataLatch");
1617 private void setIlcFromDataLatch(Marina marina) {
1618 prln("Begin setIlcFromDataLatch");
1621 marina.instrIn.fill(setIlc(1));
1623 // walk a bit from 0 to 5
1624 for(int bit=5; bit>=0; bit--) {
1625 prln("inserting data item in north fifo ring");
1626 BitVector data = new BitVector(37, "empty");
1627 BitVector addr = new BitVector(14, "empty");
1628 for(int i=0; i<data.getNumBits(); i++) data.set(i, false);
1629 for(int i=0; i<addr.getNumBits(); i++) addr.set(i, false);
1630 data.set(bit, true);
1631 marina.fillNorthProperStopper(new MarinaPacket(data, false, addr));
1633 marina.fillSouthProperStopper(new Instruction[] {
1634 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,1),
1636 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,SetSource.DataLatch),
1638 model.waitNS(CYCLE_TIME_NS * 64);
1640 int ilc = marina.getILC().getCount();
1641 fatal(ilc != (1<<bit), "expected ilc to be " + (1<<bit) + ", but got " + ilc);
1645 prln("End setIlcFromDataLatch");
1648 private void testSendAndRecvToken(Marina marina) {
1649 prln("Begin testSendAndRecvToken");
1652 marina.instrIn.fill(setIlc(1));
1653 marina.fillSouthProperStopper(new Instruction[] {
1658 expectNorthFifoExactly(1);
1661 prln("End testSendAndRecvToken");
1664 private void testSignExtendedLiteral(Marina marina) {
1665 prln("Begin testSignExtendedLiteral");
1668 marina.instrIn.fill(setIlc(1));
1669 for(long val : new long[] { (-1L << 14), -1, 0, 1 }) {
1671 marina.fillSouthProperStopper(new Instruction[] {
1672 new Instruction.Set(dock,Predicate.IgnoreFlagD,
1673 Instruction.Set.SetDest.DataLatch,
1677 model.waitNS(CYCLE_TIME_NS * 64);
1679 List<BitVector> dataItems = marina.data.drainMany(3);
1680 fatal(dataItems.size()!=1, "expected exactly one data item, got " + dataItems.size());
1682 MarinaPacket mp = new MarinaPacket(dataItems.get(0));
1683 BitVector bv = mp.data;
1684 prln("got back " + mp);
1686 boolean mismatch = false;
1688 for(int i=0; i<37; i++) {
1689 if (bv.get(i) != ( (val & (1L << i)) != 0 )) {
1694 fatal(mismatch, "data read back did not match inserted literal; mismatch on bits " + err);
1698 prln("End testSignExtendedLiteral");
1701 private void testShiftedLiteral(Marina marina) {
1702 prln("Begin testShiftedLiteral");
1705 marina.instrIn.fill(setIlc(1));
1706 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,
1707 Instruction.Set.SetDest.DataLatch,
1710 BitVector dreg = new BitVector(37, "what we think is in the d-register");
1711 for(int i=0; i<37; i++) dreg.set(i, false);
1713 for(long val : new long[] { -1, 0, 1, (-1L << 18) }) {
1715 edu.berkeley.fleet.api.BitVector immediate =
1716 new edu.berkeley.fleet.api.BitVector(19);
1717 for(int i=0; i<immediate.length(); i++)
1718 immediate.set(i, (val & (1L << i)) != 0);
1720 // shift over 19 LSB's towards MSB
1721 for(int i=0; i<19; i++)
1722 if (i+19 <= 36) dreg.set(i+19, dreg.get(i));
1723 for(int i=0; i<19; i++)
1724 dreg.set(i, immediate.get(i));
1726 marina.fillSouthProperStopper(new Instruction[] {
1727 new Instruction.Shift(dock,Predicate.IgnoreFlagD,immediate),
1731 model.waitNS(CYCLE_TIME_NS * 64);
1732 List<BitVector> dataItems = marina.data.drainMany(3);
1733 fatal(dataItems.size()!=1, "expected exactly one data item, got " + dataItems.size());
1735 BitVector bv = new MarinaPacket(dataItems.get(0)).data;
1736 fatal(!bv.equals(dreg), "data read back did not match inserted literal.\n" +
1737 "got: "+bv.bitReverse().getState()+"\n"+
1738 "expected:"+dreg.bitReverse().getState());
1742 prln("End testShiftedLiteral");
1745 private void testFlagC(Marina marina) {
1746 prln("Begin testFlagC");
1754 // Dc=1 => sigS is copied into C-flag
1755 // Dc=0 => sigA is copied into C-flag
1757 marina.instrIn.fill(setIlc(1));
1758 for(boolean dc : new boolean[] { false, true }) {
1759 for(boolean c_flag : new boolean[] { true, false, true }) {
1762 prln("****** checking case where dc="+dc+", cflag="+c_flag);
1763 BitVector data = new BitVector(37, "empty");
1764 BitVector addr = new BitVector(14, "empty");
1765 for(int i=0; i<data.getNumBits(); i++) data.set(i, false);
1766 for(int i=0; i<addr.getNumBits(); i++) addr.set(i, false);
1769 ? Marina.INDEX_OF_ADDRESS_BIT_COPIED_TO_C_FLAG_WHEN_DC_EQUALS_ONE
1770 : Marina.INDEX_OF_ADDRESS_BIT_COPIED_TO_C_FLAG_WHEN_DC_EQUALS_ZERO;
1771 prln("setting addr["+whichbit+"] to "+(c_flag?"1":"0"));
1772 addr.set(whichbit, c_flag);
1774 prln("... and filling north fifo proper stopper");
1775 marina.fillNorthProperStopper(new MarinaPacket(data, false, addr));
1777 prln("clearing flags");
1778 prln("executing recv data with Dc="+dc);
1779 prln("copying c-flag to a-flag");
1780 marina.fillSouthProperStopper(new Instruction[] {
1781 new Instruction.Set(dock,Predicate.IgnoreFlagD, CLEAR_FLAG, CLEAR_FLAG),
1782 new Instruction.Move(dock,
1783 Predicate.IgnoreFlagD, /* predicate */
1784 true, /* torpedoable */
1786 false, /* tokenIn */
1789 false, /* latchPath */
1790 false, /* dataOut */
1791 false /* tokenOut */
1794 new Instruction.Set(dock,Predicate.IgnoreFlagD,
1795 Instruction.Set.FlagFunction.ZERO.add(Predicate.FlagC),
1800 model.waitNS(CYCLE_TIME_NS * 64);
1802 prln("checking to confirm that A flag is " + c_flag);
1803 fatal(marina.getFlagA()!=c_flag, "bad A flag: "+marina.getFlagA());
1807 prln("End testFlagC");
1810 private void sendDataWithPath(Marina marina) {
1811 prln("Begin sendDataWithPath");
1814 edu.berkeley.fleet.api.BitVector bv = new edu.berkeley.fleet.api.BitVector(13);
1815 marina.instrIn.fill(setIlc(1));
1817 // alternating ones and zeroes
1818 for(int i=0; i<bv.length(); i+=2)
1820 // and then ones in the lower four bits so it's not symmetric
1821 for(int i=0; i<4; i++)
1824 MarinaPath path = new MarinaPath((MarinaFleet)dock.getShip().getFleet(), bv);
1826 marina.fillSouthProperStopper(new Instruction[] {
1827 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,1),
1828 new Instruction.Move(dock,
1829 Predicate.IgnoreFlagD, /* predicate */
1830 false, /* torpedoable */
1832 false, /* tokenIn */
1834 false, /* latchData */
1835 false, /* latchPath */
1837 false /* tokenOut */
1841 List<BitVector> dataItems;
1844 dataItems = marina.data.drainMany();
1845 fatal(dataItems.size()!=1, "Expected one data item to emerge but got: "+dataItems.size()+" data items");
1846 mp = new MarinaPacket(dataItems.get(0));
1848 // the 14th bit of the outbound address cannot be set by the
1849 // ship, so we don't care about it
1850 fatalIfBitVectorsDoNotMatch(MarinaUtils.berkToSun(bv), mp.path.get(0,13));
1852 prln("send data with no change to path");
1853 marina.instrIn.fill(new Instruction.Move(dock,
1854 Predicate.IgnoreFlagD, /* predicate */
1855 false, /* torpedoable */
1857 false, /* tokenIn */
1859 false, /* latchData */
1860 false, /* latchPath */
1862 false /* tokenOut */
1865 dataItems = marina.data.drainMany();
1866 fatal(dataItems.size()!=1, "Expected one data item to emerge but got: "+dataItems.size()+" data items");
1867 mp = new MarinaPacket(dataItems.get(0));
1869 // the 14th bit of the outbound address cannot be set by the
1870 // ship, so we don't care about it
1871 fatalIfBitVectorsDoNotMatch(MarinaUtils.berkToSun(bv), mp.path.get(0,13));
1874 prln("End sendDataWithPath");
1877 private void recvPath(Marina marina) {
1878 prln("Begin recvPath");
1881 marina.instrIn.fill(setIlc(1));
1882 for(int bit=0; bit<11; bit++) {
1883 BitVector packet_data = new BitVector(37, "inbound data item");
1884 for(int i=0; i<37; i++) packet_data.set(i, false);
1885 packet_data.set(27+bit, true);
1886 BitVector packet_path = new BitVector(14, "inbound data item");
1887 for(int i=0; i<14; i++) packet_path.set(i, false);
1889 marina.fillNorthProperStopper(new MarinaPacket(packet_data, false, packet_path));
1891 prln("recv path, send data (using recv'd path)");
1892 marina.instrIn.fill(new Instruction.Move(dock,
1893 Predicate.IgnoreFlagD, /* predicate */
1894 false, /* torpedoable */
1896 false, /* tokenIn */
1898 true, /* latchData */
1899 true, /* latchPath */
1901 false /* tokenOut */
1904 List<BitVector> dataItems = marina.data.drainMany();
1905 fatal(dataItems.size()!=1, "Expected one data item to emerge but got: "+dataItems.size()+" data items");
1906 MarinaPacket mp = new MarinaPacket(dataItems.get(0));
1908 fatalIfBitVectorsDoNotMatch(packet_data.get(25,11), mp.path.get(0,11));
1909 fatalIfBitVectorsDoNotMatch(packet_data, mp.data);
1913 prln("End recvPath");
1916 private void testILC(Marina marina) {
1917 prln("Begin testILC");
1920 for(int bit=0; bit<6; bit++) {
1921 int ilc = bit<0 ? 0 : (1<<bit);
1922 marina.fillSouthProperStopper(new Instruction[] {
1923 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,ilc),
1926 List<BitVector> dataItems = marina.data.drainMany();
1927 fatal(dataItems.size()!=ilc, "Expected "+ilc+" data item(s) to emerge but got: "+dataItems.size()+" data items");
1931 prln("End testILC");
1934 private void testILCZero(Marina marina) {
1936 marina.fillSouthProperStopper(new Instruction[] {
1937 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,0),
1941 expectNorthFifoNoMoreThan(0);
1942 expectTokensExactly(1);
1946 private void sendTorpedo(Marina marina) {
1947 prln("Begin sendTorpedo");
1949 marina.instrIn.fill(setIlc(1));
1950 marina.instrIn.fill(setOlc(63));
1952 model.waitNS(128 * CYCLE_TIME_NS);
1955 marina.instrIn.fill(new
1956 Instruction.Set(dock,Predicate.IgnoreFlagD, CLEAR_FLAG, CLEAR_FLAG));
1957 fatal(marina.getFlagA(), "bad A flag: true");
1958 fatal(marina.getFlagB(), "bad B flag: true");
1960 prln("execute a move instruction that does nothing but loops until torpedo arrives");
1961 prln("A=1, B=B This instruction should not execute because D-flag is set");
1962 prln("Set A=A, B=1 This instruction should execute because D-flag is set");
1964 model.waitNS(128 * CYCLE_TIME_NS);
1966 marina.fillSouthProperStopper(new Instruction[] {
1967 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, SetSource.Infinity),
1968 new Instruction.Move(dock,
1969 Predicate.IgnoreFlagD, // predicate
1970 true, // torpedoable
1979 new Instruction.Set(dock,Predicate.Default,
1981 Instruction.Set.FlagFunction.ZERO.add(Predicate.FlagB)
1983 new Instruction.Set(dock, Predicate.FlagD,
1984 Instruction.Set.FlagFunction.ZERO.add(Predicate.FlagA),
1989 model.waitNS(128 * CYCLE_TIME_NS);
1991 prln("send torpedo. This should clear the OLC");
1992 marina.instrIn.fillTorpedo();
1993 model.waitNS(128 * CYCLE_TIME_NS);
1995 model.waitNS(128 * CYCLE_TIME_NS);
1997 prln("A should remain false, B should be true");
1998 fatal(marina.getFlagA(), "bad A flag: true");
1999 fatal(!marina.getFlagB(), "bad B flag: false");
2001 model.waitNS(128 * CYCLE_TIME_NS);
2003 prln("Reload OLC after torpedo, clears D-flag");
2004 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 63));
2006 // FIXME: find another way to test this
2007 model.waitNS(128 * CYCLE_TIME_NS);
2010 prln("Set A=1, B=1 This instruction should execute because OLC!=0");
2011 marina.instrIn.fill(new
2012 Instruction.Set(dock,Predicate.Default, SET_FLAG, SET_FLAG));
2014 prln("A and B should be true");
2015 fatal(!marina.getFlagA(), "bad A flag: false");
2016 fatal(!marina.getFlagB(), "bad B flag: false");
2019 prln("End sendTorpedo");
2022 private void testTorpedoOnAnInfinite(Marina marina) {
2023 prln("Begin testTorpedoOnAnInfinite");
2026 List<BitVector> dataItems;
2028 marina.instrIn.fill(setIlc(1));
2029 for(boolean torpedoable : new boolean[] { true, false }) {
2031 marina.fillSouthProperStopper(new Instruction[] {
2032 new Instruction.Move(dock,
2033 Predicate.IgnoreFlagD, // predicate
2034 false, // torpedoable
2043 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,SetSource.Infinity),
2044 new Instruction.Move(dock,
2045 Predicate.IgnoreFlagD, // predicate
2046 torpedoable, // torpedoable
2055 // FIXME: this probably should be removed, unless Ivan doesn't want to change the behavior
2056 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,1),
2061 // expect nothing to come out, because the NOP is executing
2062 dataItems = marina.data.drainMany(2);
2063 fatal(dataItems.size()!=0, "Expected no data item(s) to emerge but got at least: "+dataItems.size()+" data items");
2065 marina.instrIn.fillTorpedo();
2067 int expected = torpedoable?1:0;
2068 dataItems = marina.data.drainMany(2);
2069 fatal(dataItems.size()!=expected, "Expected "+expected+" item to emerge but got: "+dataItems.size()+" data items");
2071 fatal(!marina.getILC().getDone(), "Expected ilc=done, but got "+marina.getILC());
2075 prln("End testTorpedoOnAnInfinite");
2078 private void testDFlagWhenTorpedoLyingInWait(Marina marina) {
2079 marina.fillSouthProperStopper(new Instruction[] {
2082 TORPEDOABLE_RECV_DATA,
2086 SEND_TOKEN_IF_D_SET,
2089 expectTokensExactly(0);
2091 // changing the order of these lines should work, but it does not
2092 marina.fillNorthProperStopper();
2093 marina.instrIn.fillTorpedo();
2095 expectTokensExactly(1);
2098 private void testSetOlcFollowedByDPredicated(Marina marina) {
2099 for(boolean d_set : new boolean[] { false, true }) {
2101 marina.fillSouthProperStopper(new Instruction[] {
2103 marina.kesselsCounter ? null : FLAG_NOP,
2104 d_set ? SEND_DATA_IF_D_SET : SEND_DATA_IF_D_NOT_SET,
2106 expectNorthFifoExactly(d_set ? 1 : 0);
2109 marina.fillSouthProperStopper(new Instruction[] {
2111 marina.kesselsCounter ? null : FLAG_NOP,
2112 d_set ? SEND_DATA_IF_D_SET : SEND_DATA_IF_D_NOT_SET,
2114 expectNorthFifoExactly(d_set ? 0 : 1);
2116 if (marina.kesselsCounter) {
2117 marina.masterClear();
2118 marina.enableInstructionSend(true);
2123 private void testOlcDecrementAtHighSpeed(Marina marina) {
2124 prln("Begin testOlcDecrementAtHighSpeed");
2127 List<BitVector> dataItems;
2129 // Each element of the following pair of arrays is one "test".
2130 // The OLC will be loaded with olcs[i] and then decremented
2131 // decr_amounts[i] times; after that has happened the zeroness
2132 // of the OLC will be checked by executing a MOVE with
2133 // [olc!=0] as the predicate.
2135 int[] olcs = new int[] { 3, 3, 3, 10, 41 };
2136 int[] decr_amounts = new int[] { 2, 3, 4, 9, 9 };
2138 for(int which=0; which<olcs.length; which++) {
2139 int olc = olcs[which];
2140 int decr_amount = decr_amounts[which];
2142 prln("inserting set olc="+olc);
2143 prln("inserting set ilc=1");
2144 marina.fillSouthProperStopper(new Instruction[] {
2145 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter,1),
2146 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter,olc),
2149 // commenting the following four lines causes this test to pass
2151 prln("inserting: "+decr_amount+" olc-- instructions");
2152 prln("inserting: [!d] send data");
2153 Instruction[] instructions = new Instruction[decr_amount+1];
2154 for(int i=0; i<decr_amount; i++)
2156 new Instruction.Set(dock,
2158 SetDest.OuterLoopCounter,
2159 SetSource.Decrement);
2160 instructions[instructions.length-1] =
2161 new Instruction.Move(dock,
2162 Predicate.Default, // predicate
2163 false, // torpedoable
2173 marina.fillSouthProperStopper(instructions);
2174 model.waitNS(64 * CYCLE_TIME_NS);
2176 int expected = decr_amount>=olc ? 0 : 1;
2177 dataItems = marina.data.drainMany(2);
2178 fatal(dataItems.size()!=expected, "Expected "+expected+" item to emerge but got: "+dataItems.size()+" data items");
2179 expectOlc(Math.max(0,olc-decr_amount));
2181 if (marina.kesselsCounter) {
2182 // master clear on each iteration; otherwise we'd need to "run down" the olc
2183 marina.masterClear();
2184 marina.enableInstructionSend(true);
2189 prln("End testOlcDecrementAtHighSpeed");
2192 private void flipIlcBit(Marina marina) {
2193 prln("Begin flipIlcBit");
2195 prln("Using the set ILC instruction, toggle a single bit between zero and one. \n" +
2196 "Check correct setting of the ILC zero bit");
2198 for (int i=0; i<6; i++) {
2201 prln("Then immediately set ILC="+notZero);
2202 marina.fillSouthProperStopper(new Instruction[] {
2203 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, 0),
2204 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, notZero),
2207 model.waitNS(64 * CYCLE_TIME_NS);
2209 prln("Verify ILC using scan chain");
2210 Ilc ilc = marina.getILC();
2211 int ilcCount = ilc.getCount();
2212 fatal(ilcCount!=notZero, "bad ILC count: "+ilcCount+" expected: "+notZero);
2213 fatal(ilc.getInfinity(), "bad ILC Infinity bit: true");
2215 marina.fillSouthProperStopper(new Instruction[] {
2216 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, notZero),
2217 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.InnerLoopCounter, 0),
2220 model.waitNS(64 * CYCLE_TIME_NS);
2222 prln("Verify ILC using scan chain");
2223 ilc = marina.getILC();
2224 ilcCount = ilc.getCount();
2225 fatal(ilcCount!=0, "bad ILC count: "+ilcCount+" expected: 0");
2226 fatal(ilc.getInfinity(), "bad ILC Infinity bit: true");
2230 prln("End flipIlcBit");
2232 private void flipOlcBit(Marina marina) {
2233 prln("Begin flipOlcBit");
2235 prln("Using the set OLC instruction, toggle a single bit between zero and one. \n" +
2236 "Check correct setting of the OLC zero bit");
2238 marina.instrIn.fill(new Instruction.Set(dock,Predicate.IgnoreFlagD, CLEAR_FLAG, CLEAR_FLAG));
2240 for (int i=0; i<6; i++) {
2241 int notZero = 32 >> i;
2243 if (marina.kesselsCounter) {
2244 // master clear on each iteration; otherwise we'd need to "run down" the olc
2245 marina.masterClear();
2246 marina.enableInstructionSend(true);
2251 prln("Then immediately set OLC="+notZero);
2252 marina.fillSouthProperStopper(new Instruction[] {
2253 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 0),
2254 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, notZero),
2257 model.waitNS(64 * CYCLE_TIME_NS);
2258 prln("Verify OLC count using scan chain");
2261 if (!marina.kesselsCounter) {
2262 prln("Set OLC="+notZero);
2263 prln("Then immediately set OLC=0");
2264 marina.fillSouthProperStopper(new Instruction[] {
2265 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, notZero),
2266 new Instruction.Set(dock,Predicate.IgnoreFlagD,SetDest.OuterLoopCounter, 0),
2269 model.waitNS(64 * CYCLE_TIME_NS);
2270 prln("Verify OLC count using scan chain");
2276 prln("End flipOlcBit");
2278 private void testSouthRecirculate(Marina marina, int AMOUNT) {
2279 prln("Begin testSouthRecirculate("+AMOUNT+")");
2282 marina.enableInstructionSend(false);
2283 marina.enableInstructionRecirculate(true);
2285 prln("Completely fill south ring");
2287 for (int i=0; i<AMOUNT; i++) {
2288 prln("inserting item " + (i+1) + " / " + AMOUNT);
2289 BitVector path = new BitVector(MarinaPacket.PATH_WIDTH, "path");
2290 BitVector data = new BitVector(MarinaPacket.WORD_WIDTH, "path");
2291 path.set(0, MarinaPacket.PATH_WIDTH, false);
2292 data.setFromLong(i+9);
2293 marina.instrIn.fill(new MarinaPacket(data, false, path));
2297 prln("Drain south ring and check contents");
2299 List<BitVector> out = marina.instrIn.drainMany();
2300 boolean bad = false;
2301 for (int i=0; i<AMOUNT; i++) {
2302 prln("extracting item " + (i+1) + " / " + AMOUNT);
2303 //int expect = (i+Marina.SOUTH_RING_CAPACITY-1) % Marina.SOUTH_RING_CAPACITY;
2305 long got = new MarinaPacket(out.get(i)).data.toLong();
2308 prln(" bad instruction: "+got+" expected: "+expect);
2310 prln(" good instruction.");
2313 fatal(bad, "data inserted does not match data retrieved");
2316 for (int i=0; i<5; i++) {}
2319 prln("End testSouthRecirculate("+AMOUNT+")");
2323 private void testOverfillTokens(Marina marina) {
2324 prln("Begin testOverfillTokens");
2327 for(int i=0; i<marina.TOKEN_FIFO_CAPACITY + 3; i++)
2328 marina.instrIn.fill(SEND_TOKEN);
2329 marina.instrIn.fill(SEND_DATA);
2330 expectNorthFifoExactly(0);
2333 prln("End testSouthRecirculate");
2338 private void doOneTest(int testNum) throws Exception {
2340 doOneTest_(testNum);
2341 } catch (MarinaUtils.FailureException fe) {
2342 System.out.println("******************************************************************************");
2343 System.out.println("******************************************************************************");
2344 System.out.println("******************************************************************************");
2345 System.out.println("******************************************************************************");
2346 fe.printStackTrace();
2350 private void doOneTest_(int testNum) throws Exception {
2352 prln("============================================================");
2353 prln("MarinaTest: performing test: "+testNum);
2358 int[] tests = new int[] { 1002, 1003, 1005, 3002, 3004, 3005, 3006, 3008, 3009, 3025, 3026, 3029 };
2360 PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("test.out")));
2361 while(vdd <= 1.3f) {
2362 vdd10.setVoltageWait(vdd);
2363 System.out.println("vdd10 = " + vdd10.readVoltage());
2365 for(int i=0; i<tests.length; i++) {
2367 doOneTest_(tests[i]);
2368 pw.println(vdd + " " + i + " " + "1");
2369 } catch (MarinaUtils.FailureException fe) {
2370 pw.println(vdd + " " + i + " " + "0");
2376 } catch (Exception e) { throw new RuntimeException(e); }
2380 marina.masterClear();
2381 marina.enableInstructionSend(true);
2384 MarinaUtils.testnum = testNum;
2389 doOneTest(1); // passes extracted parasitics
2390 doOneTest(2); // passes extracted parasitics
2391 doOneTest(3); // passes extracted parasitics
2392 doOneTest(4); // passes extracted parasitics
2393 doOneTest(5); // passes extracted parasitics
2396 doOneTest(1000); // passes extracted parasitics
2397 doOneTest(1001); // passes extracted parasitics
2398 doOneTest(1003); // passes extracted parasitics
2400 doOneTest(3000); // passes extracted parasitics
2401 doOneTest(3001); // passes extracted parasitics
2402 doOneTest(3003); // passes extracted parasitics
2403 doOneTest(3004); // passes extracted parasitics
2404 doOneTest(3005); // passes extracted parasitics
2405 doOneTest(3006); // passes extracted parasitics
2406 doOneTest(3007); // passes extracted parasitics
2407 doOneTest(3008); // passes extracted parasitics
2408 doOneTest(3009); // passes extracted parasitics
2409 doOneTest(3010); // passes extracted parasitics
2410 doOneTest(3011); // passes extracted parasitics
2411 doOneTest(3012); // passes extracted parasitics
2412 doOneTest(3013); // passes extracted parasitics
2413 doOneTest(3014); // passes extracted parasitics
2414 doOneTest(3015); // passes extracted parasitics
2415 doOneTest(3019); // passes extracted parasitics
2416 doOneTest(3020); // passes extracted parasitics
2417 doOneTest(3022); // passes extracted parasitics
2418 doOneTest(3023); // passes extracted parasitics
2419 doOneTest(3025); // passes extracted parasitics
2420 doOneTest(3026); // passes extracted parasitics
2421 doOneTest(3027); // passes extracted parasitics
2422 doOneTest(3028); // passes extracted parasitics
2423 doOneTest(3029); // passes extracted parasitics
2424 //doOneTest(3030); // passes extracted parasitics (questionable)
2425 //doOneTest(3031); // passes extracted parasitics should not pass!
2427 // these tests take a while and usually pass
2439 // this takes an insanely long time
2443 case 1: testChains(marina); break; // passes, 24-Mar (+verilog)
2444 case 2: testProperStoppers(marina); break; // passes, 24-Mar (+verilog)
2445 case 3: testSouthRecirculate(marina, 1); break; // passes, 24-Mar (+verilog)
2446 case 4: getCtrsFlags(marina); break; // 20-Apr (+verilog)
2447 case 5: sendInstructions(marina); break; // passes, 24-Mar (+verilog)
2448 case 6: walkOneOLC(marina); break; // 21-Apr (+verilog)
2450 // Russell's tests begin with 1000
2451 case 1000: walkOneILC(marina); break; // 20-Apr (+verilog)
2452 case 1001: countIlc(marina); break; // 20-Apr (+verilog)
2453 case 1002: countOlc(marina); break; // 23-Apr (+verilog)
2455 case 1003: sendTorpedo(marina); break; // 23-Apr (+verilog) [with wor-hack]
2457 case 1004: flipIlcBit(marina); break; // 20-Apr (+verilog)
2458 case 1005: flipOlcBit(marina); break; // 21-Apr (+verilog)
2460 case 1006: testSouthRecirculate(marina, Marina.SOUTH_RING_CAPACITY-1); break; // passes, 24-Mar (+verilog)
2462 // Adam's tests begin with 3000
2463 case 3000: sendToken(marina); break; // passes, 24-Mar (+verilog)
2464 case 3001: testFlagAB(marina); break; // passes, 08-Apr (+verilog)
2465 case 3002: testPredicationOnAB(marina); break; // 22-Apr (+verilog)
2466 case 3003: testFlagC(marina); break; // 23-Apr (+verilog)
2467 case 3004: testFlagD(marina); break; // 23-Apr (+verilog)
2468 case 3005: testFlagDRecomputationTime(marina); break;
2470 case 3006: testTailWaitsForHead(marina); break;
2471 case 3007: testTailWithoutHead(marina); break;
2472 case 3008: testHeadWaitsForTail(marina); break; // 22-Apr (+verilog)
2473 case 3009: testAbort(marina); break; // 22-Apr (+verilog)
2475 case 3010: sendData(marina); break; // passes, 24-Mar (+verilog)
2476 case 3011: recvData(marina); break; // 21-Apr (+verilog)
2477 case 3012: sendDataWithPath(marina); break; // passes, 13-Apr (+verilog)
2479 case 3013: testSignExtendedLiteral(marina); break; // 20-Apr (+verilog)
2480 case 3014: testShiftedLiteral(marina); break; // 20-Apr (+verilog)
2481 case 3015: testSendAndRecvToken(marina); break; // 21-Apr (+verilog)
2483 case 3016: sendDataIlcInfinite(marina); break; // 22-Apr (+verilog)
2484 case 3017: testFlagTruthTable(marina); break; // 23-Apr (+verilog)
2486 case 3019: setOlcFromDataLatch(marina); break; // 23-Apr (+verilog)
2487 case 3020: setIlcFromDataLatch(marina); break; // 23-Apr (+verilog)
2488 case 3021: recvPath(marina); break; // 22-Apr (+verilog)
2489 case 3022: testILC(marina); break; // 23-Apr (+verilog)
2490 case 3023: testTorpedoOnAnInfinite(marina); break; // 23-Apr (+verilog)
2491 case 3024: testRecvAndSendWalkingOne(marina); break; // 21-Apr (+verilog)
2492 case 3025: testOlcDecrementAtHighSpeed(marina); break; // 23-Apr (+verilog)
2494 case 3026: testNonTorpedoableMoveDoesNotResetDFlag(marina); break; // 23-Apr (+verilog)
2495 case 3027: testILCZero(marina); break;
2496 case 3028: testAbortOutsideOfLoop(marina); break;
2497 case 3029: testDFlagWhenTorpedoLyingInWait(marina); break;
2498 case 3030: testSetOlcFollowedByDPredicated(marina); break;
2499 case 3031: testOverfillTokens(marina); break;
2501 case 3040: loadEveryValueOLC(marina); break;
2508 PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("out.dat")));
2509 for(double myvdd = 1.0; myvdd<2.0; myvdd += 0.05) {
2511 vdd18.setVoltageWait((float)Math.max(1.8,vdd));
2512 vdd10.setVoltageWait(vdd);
2515 for(int toks = 0; toks < 13; toks++) {
2518 for(int iter = 0; iter < MAX_ITER; iter++) {
2520 marina.masterClear();
2522 marina.stopAndResetCounters();
2524 marina.enableInstructionSend(true);
2525 marina.fillSouthProperStopper(setOlc(1));
2526 marina.fillSouthProperStopper(new Instruction.Head(dock));
2527 for(int i=0; i<toks; i++)
2528 marina.fillSouthProperStopper(/*SEND_DATA*/NOP);
2529 marina.fillSouthProperStopper(new Instruction[] {
2530 new Instruction.Tail(dock),
2532 marina.startCounters();
2534 marina.instrIn.run();
2535 try { Thread.sleep(wait); } catch (Exception e) { }
2536 //marina.instrIn.stop();
2538 marina.stopAndResetCounters();
2539 int countNorth = marina.getNorthCount();
2540 int count = marina.getSouthCount();
2541 System.out.println();
2542 System.out.println();
2543 if (count > (2<<29))
2544 System.out.println("warning: count was greater than 2^29...");
2545 double gst = ((((double)count*2)) / (1000000. * wait /* * toks*/));
2546 System.out.println("south counter is: " + count + ", which is " + gst + "Ginst/sec with toks="+toks + " @vdd="+vdd);
2549 System.out.println();
2550 System.out.println();
2552 System.out.println("counters are " + count + " and " + countNorth + "; ratio is "+
2553 (((double)countNorth)/((double)(count*2))) + " " +
2554 (((double)countNorth)/((double)(count*2+1))) + " " +
2558 pw.println(vdd + " " + toks + " " + (((double)total) / MAX_ITER));
2565 loadEveryValueOLC(marina);
2570 fatal(true, "Test number: "+testNum+" doesn't exist.");
2573 // If we get here then test passed
2574 prln("Test Result: Passed");
2576 //Infrastructure.exit(0);
2580 //============================ for public use =============================
2583 * 0: test detected success
2584 * 2: test detected failure
2587 public static void main(String[] args) throws Exception {
2588 startTime = System.currentTimeMillis();
2589 new MarinaTest(args);