/** common subclass for the "FleetTwo" generation of processors, all 37-bit wide, with AM33 encoding */
public abstract class FleetTwoFleet extends Fleet {
- public static final Mask PACKET_TOKEN = new Mask("v.................................................");
- public static final Mask PACKET_DATA = new Mask(".vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv............");
- public static final Mask PACKET_SIGNAL = new Mask("......................................v...........");
- public static final Mask PACKET_DEST = new Mask(".......................................vvvvvvvvvvv");
-
- public static final Mask CBD_SIZE = new Mask("...............................vvvvvv");
- public static final Mask CBD_OFFSET = new Mask("vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv......");
-
- public static final int WIDTH_WORD = PACKET_DATA.valmaskwidth;
- public static final int WIDTH_PACKET = PACKET_TOKEN.width;
-
- public static final Mask WHOLE_WORD = new Mask("vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv");
- public static final Mask DISPATCH_PATH = new Mask("vvvvvvvvvvv..........................");
- public static final Mask DISPATCH_INSTR = new Mask("...........vvvvvvvvvvvvvvvvvvvvvvvvvv");
- public static final Mask I = new Mask("...........1.........................");
- public static final Mask OS = new Mask("............1........................");
- public static final Mask P = new Mask(".............vvv.....................");
- public static final Mask P_NOT_A = new Mask(".............000.....................");
- public static final Mask P_A = new Mask(".............001.....................");
- public static final Mask P_NOT_B = new Mask(".............010.....................");
- public static final Mask P_B = new Mask(".............011.....................");
- public static final Mask P_UNUSED = new Mask(".............100.....................");
- public static final Mask P_OLC_ZERO = new Mask(".............101.....................");
- public static final Mask P_OLC_NONZERO = new Mask(".............110.....................");
- public static final Mask P_ALWAYS = new Mask(".............111.....................");
-
- public static final Mask SHIFT = new Mask("................00vvvvvvvvvvvvvvvvvvv");
-
- public static final Mask TAIL = new Mask("................11...................");
-
- public static final Mask MOVE = new Mask("................01...................");
- public static final Mask TI = new Mask("................011..................");
- public static final Mask DI = new Mask("................01.1.................");
- public static final Mask FLUSH = new Mask("................01.01................");
- public static final Mask DC = new Mask("................01.11................");
- public static final Mask DO = new Mask("................01...1...............");
- public static final Mask TO = new Mask("................01....1..............");
- public static final Mask PATH_IMMEDIATE = new Mask("................01.....1vvvvvvvvvvvvv");
- public static final Mask PATH_DATA = new Mask("................01.....01............");
- public static final Mask PATH_NOCHANGE = new Mask("................01.....00............");
-
- public static final Mask SET_OLC_FROM_IMMEDIATE = new Mask("................101000100......vvvvvv");
- public static final Mask SET_OLC_FROM_DATA_LATCH = new Mask("................101000010............");
- public static final Mask SET_OLC_FROM_OLC_MINUS_ONE = new Mask("................101000001............");
-
- public static final Mask SET_ILC_FROM_IMMEDIATE = new Mask("................10010010......0vvvvvv");
- public static final Mask SET_ILC_FROM_INFINITY = new Mask("................10010010......1......");
- public static final Mask SET_ILC_FROM_DATA_LATCH = new Mask("................10010001.............");
-
- public static final Mask SET_IMMEDIATE = new Mask("................100010.vvvvvvvvvvvvvv");
- public static final Mask SET_IMMEDIATE_EXTEND = new Mask("................100010v..............");
-
- public static final Mask SET_FLAGS = new Mask("................100001...............");
- public static final Mask SET_FLAGS_A = new Mask("................100001...vvvvvv......");
- public static final Mask SET_FLAGS_B = new Mask("................100001.........vvvvvv");
- public static final Mask SET_FLAGS_VALUE_A = new Mask("1.....");
- public static final Mask SET_FLAGS_VALUE_NOT_A = new Mask(".1....");
- public static final Mask SET_FLAGS_VALUE_B = new Mask("..1...");
- public static final Mask SET_FLAGS_VALUE_NOT_B = new Mask("...1..");
- public static final Mask SET_FLAGS_VALUE_C = new Mask("....1.");
- public static final Mask SET_FLAGS_VALUE_NOT_C = new Mask(".....1");
+ public final Mask PACKET_TOKEN;
+ public final Mask PACKET_DATA;
+ public final Mask PACKET_SIGNAL;
+ public final Mask PACKET_DEST;
+
+ public final Mask CBD_SIZE;
+ public final Mask CBD_OFFSET;
+
+ public final Mask WHOLE_WORD;
+ public final Mask DISPATCH_PATH;
+ public final Mask DISPATCH_INSTR;
+ public final Mask NOT_INTERRUPTIBLE;
+ public final Mask OS;
+ public final Mask P;
+ public final Mask P_NOT_A;
+ public final Mask P_A;
+ public final Mask P_NOT_B;
+ public final Mask P_B;
+ public final Mask P_UNUSED;
+ public final Mask P_OLC_ZERO;
+ public final Mask P_OLC_NONZERO;
+ public final Mask P_ALWAYS;
+
+ public final Mask SHIFT;
+
+ public final Mask TAIL;
+
+ public final Mask MOVE;
+ public final Mask TI;
+ public final Mask DI;
+ public final Mask FLUSH;
+ public final Mask DC;
+ public final Mask DO;
+ public final Mask TO;
+ public final Mask PATH_IMMEDIATE;
+ public final Mask PATH_DATA;
+ public final Mask PATH_NOCHANGE;
+
+ public final Mask SET_OLC_FROM_IMMEDIATE;
+ public final Mask SET_OLC_FROM_DATA_LATCH;
+ public final Mask SET_OLC_FROM_OLC_MINUS_ONE;
+
+ public final Mask SET_ILC_FROM_IMMEDIATE;
+ public final Mask SET_ILC_FROM_INFINITY;
+ public final Mask SET_ILC_FROM_DATA_LATCH;
+
+ public final Mask SET_IMMEDIATE;
+ public final Mask SET_IMMEDIATE_EXTEND;
+
+ public final Mask SET_FLAGS;
+ public final Mask SET_FLAGS_A;
+ public final Mask SET_FLAGS_B;
+ public final Mask SET_FLAGS_VALUE_A;
+ public final Mask SET_FLAGS_VALUE_NOT_A;
+ public final Mask SET_FLAGS_VALUE_B;
+ public final Mask SET_FLAGS_VALUE_NOT_B;
+ public final Mask SET_FLAGS_VALUE_C;
+ public final Mask SET_FLAGS_VALUE_NOT_C;
+
+ public final int WIDTH_WORD;
+ public final int WIDTH_PACKET;
+
+ public final long DataLatch_WIDTH;
+ private final long mask;
+
+ public FleetTwoFleet() { this(false); }
+
+ public FleetTwoFleet(boolean useInternalEncoding) {
+ PACKET_TOKEN = new Mask("v.................................................");
+ PACKET_DATA = new Mask(".vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv............");
+ PACKET_SIGNAL = new Mask("......................................v...........");
+ PACKET_DEST = new Mask(".......................................vvvvvvvvvvv");
+
+ CBD_SIZE = new Mask("...............................vvvvvv");
+ CBD_OFFSET = new Mask("vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv......");
+
+ WHOLE_WORD = new Mask("vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv");
+
+ if (useInternalEncoding) {
+
+ DISPATCH_PATH = new Mask("v....................................");
+ DISPATCH_INSTR = new Mask(".vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv");
+ NOT_INTERRUPTIBLE = new Mask(".................1...................");
+ OS = new Mask(".......1.............................");
+ P = new Mask(".vvvvvv..............................");
+ P_NOT_A = new Mask(".100001..............................");
+ P_A = new Mask(".100010..............................");
+ P_NOT_B = new Mask(".100100..............................");
+ P_B = new Mask(".101000..............................");
+ P_UNUSED = new Mask(".111111..............................");
+ P_OLC_ZERO = new Mask(".010000..............................");
+ P_OLC_NONZERO = new Mask(".100000..............................");
+ P_ALWAYS = new Mask(".000000..............................");
+
+ SHIFT = new Mask("..........101111.1vvvvvvvvvvvvvvvvvvv");
+
+ TAIL = new Mask("................1....................");
+
+ MOVE = new Mask("..........110111.....................");
+ TI = new Mask("..........110111..1..................");
+ DI = new Mask("..........110111...1.................");
+ FLUSH = new Mask(".........1110111.....................");
+ DC = new Mask("..........110111...11................");
+ DO = new Mask("..........110111.....1...............");
+ TO = new Mask("..........110111......1..............");
+ PATH_IMMEDIATE = new Mask("..........110111.......0vvvvvvvvvvvvv");
+ PATH_DATA = new Mask("..........110111.......11............");
+ PATH_NOCHANGE = new Mask("..........110111.......10............");
+
+ SET_OLC_FROM_IMMEDIATE = new Mask("..........111101.0.............vvvvvv");
+ SET_OLC_FROM_DATA_LATCH = new Mask("..........111101.1...................");
+ SET_OLC_FROM_OLC_MINUS_ONE = new Mask("..........111011.....................");
+
+ SET_ILC_FROM_IMMEDIATE = new Mask("..........011111.0...........0.vvvvvv");
+ SET_ILC_FROM_INFINITY = new Mask("..........011111.............1.......");
+ SET_ILC_FROM_DATA_LATCH = new Mask("..........011111.1...................");
+
+ SET_IMMEDIATE = new Mask("..........101111.0.....vvvvvvvvvvvvvv");
+ SET_IMMEDIATE_EXTEND = new Mask("..........101111.0....v..............");
+
+ SET_FLAGS = new Mask("..........111110.....................");
+ SET_FLAGS_A = new Mask("..........111110...............vvvvvv");
+ SET_FLAGS_B = new Mask("..........111110.........vvvvvv......");
+
+ SET_FLAGS_VALUE_A = new Mask(".....1");
+ SET_FLAGS_VALUE_NOT_A = new Mask("....1.");
+ SET_FLAGS_VALUE_B = new Mask("...1..");
+ SET_FLAGS_VALUE_NOT_B = new Mask("..1...");
+ SET_FLAGS_VALUE_C = new Mask(".1....");
+ SET_FLAGS_VALUE_NOT_C = new Mask("1.....");
+
+ } else {
+ DISPATCH_PATH = new Mask("vvvvvvvvvvv..........................");
+ DISPATCH_INSTR = new Mask("...........vvvvvvvvvvvvvvvvvvvvvvvvvv");
+ NOT_INTERRUPTIBLE = new Mask("...........1.........................");
+ OS = new Mask("............1........................");
+ P = new Mask(".............vvv.....................");
+ P_NOT_A = new Mask(".............000.....................");
+ P_A = new Mask(".............001.....................");
+ P_NOT_B = new Mask(".............010.....................");
+ P_B = new Mask(".............011.....................");
+ P_UNUSED = new Mask(".............100.....................");
+ P_OLC_ZERO = new Mask(".............101.....................");
+ P_OLC_NONZERO = new Mask(".............110.....................");
+ P_ALWAYS = new Mask(".............111.....................");
+
+ SHIFT = new Mask("................00vvvvvvvvvvvvvvvvvvv");
+
+ TAIL = new Mask("................11...................");
+
+ MOVE = new Mask("................01...................");
+ TI = new Mask("................011..................");
+ DI = new Mask("................01.1.................");
+ FLUSH = new Mask("................01.01................");
+ DC = new Mask("................01.11................");
+ DO = new Mask("................01...1...............");
+ TO = new Mask("................01....1..............");
+ PATH_IMMEDIATE = new Mask("................01.....1vvvvvvvvvvvvv");
+ PATH_DATA = new Mask("................01.....01............");
+ PATH_NOCHANGE = new Mask("................01.....00............");
+
+ SET_OLC_FROM_IMMEDIATE = new Mask("................101000100......vvvvvv");
+ SET_OLC_FROM_DATA_LATCH = new Mask("................101000010............");
+ SET_OLC_FROM_OLC_MINUS_ONE = new Mask("................101000001............");
+
+ SET_ILC_FROM_IMMEDIATE = new Mask("................10010010......0vvvvvv");
+ SET_ILC_FROM_INFINITY = new Mask("................10010010......1......");
+ SET_ILC_FROM_DATA_LATCH = new Mask("................10010001.............");
+
+ SET_IMMEDIATE = new Mask("................100010.vvvvvvvvvvvvvv");
+ SET_IMMEDIATE_EXTEND = new Mask("................100010v..............");
+
+ SET_FLAGS = new Mask("................100001...............");
+ SET_FLAGS_A = new Mask("................100001...vvvvvv......");
+ SET_FLAGS_B = new Mask("................100001.........vvvvvv");
+
+ SET_FLAGS_VALUE_A = new Mask("1.....");
+ SET_FLAGS_VALUE_NOT_A = new Mask(".1....");
+ SET_FLAGS_VALUE_B = new Mask("..1...");
+ SET_FLAGS_VALUE_NOT_B = new Mask("...1..");
+ SET_FLAGS_VALUE_C = new Mask("....1.");
+ SET_FLAGS_VALUE_NOT_C = new Mask(".....1");
+ }
+
+ WIDTH_WORD = PACKET_DATA.valmaskwidth;
+ WIDTH_PACKET = PACKET_TOKEN.width;
+ DataLatch_WIDTH = SET_IMMEDIATE.valmaskmax-SET_IMMEDIATE.valmaskmin+1; // FIXME: this is an abstraction breakage
+ mask = ~(-1L << DataLatch_WIDTH);
+ }
// Misc //////////////////////////////////////////////////////////////////////////////
- public static final long DataLatch_WIDTH = SET_IMMEDIATE.valmaskmax-SET_IMMEDIATE.valmaskmin+1; // FIXME: this is an abstraction breakage
- private static final long mask = ~(-1L << DataLatch_WIDTH);
- public static boolean isSmallEnoughToFit(long immediate) {
+ public boolean isSmallEnoughToFit(long immediate) {
if ((immediate & ~mask) == 0) return true;
if ((immediate | mask) == -1L) return true;
return false;
//////////////////////////////////////////////////////////////////////////////
/** get the bits describing this box's location on the DESTINATION HORN */
- // FIXME this should use a BitVector not a long!
- protected abstract long getDestAddr(Path box);
+ protected abstract BitVector getDestAddr(Path box);
private static final BitVector SIGNAL_ZERO = new BitVector(1);
- private static final BitVector SIGNAL_ONE = new BitVector(1);
- static {
- SIGNAL_ONE.set(0,true);
- }
+ private static final BitVector SIGNAL_ONE = new BitVector(1).set(0,true);
/** decode a path, given the starting point and the bits that comprise it */
- // FIXME this should use a BitVector not a long!
- //protected abstract Path getPathByAddr(Dock source, long dest);
- public Path getPathByAddr(Dock source, long dest) {
+ public Path getPathByAddr(Dock source, BitVector dest) {
for(Ship ship : this)
for(Dock bb : ship) {
for(Destination d : new Destination[] { bb.getInstructionDestination(), bb.getDataDestination() }) {
for(BitVector signal : new BitVector[] { SIGNAL_ZERO, SIGNAL_ONE }) {
Path p = (Path)source.getPath(d, signal);
- if (getDestAddr(p) == dest) return p;
+ if (getDestAddr(p).equals(dest)) return p;
}
}
}
return null;
}
- /** read a machine-formatted instruction from a file (into a Java object) */
- public Instruction readInstruction(DataInputStream is, Dock dispatchFrom) throws IOException {
- long inst = 0;
- try {
- inst = (inst << 8) | (is.readByte() & 0xff);
- inst = (inst << 8) | (is.readByte() & 0xff);
- inst = (inst << 8) | (is.readByte() & 0xff);
- inst = (inst << 8) | (is.readByte() & 0xff);
- inst = (inst << 8) | (is.readByte() & 0xff);
- inst = (inst << 8) | (is.readByte() & 0xff);
- return readInstruction(inst, dispatchFrom);
- } catch (EOFException eof) {
- return null;
- }
+ public Instruction decodeInstruction(BitVector instruction, Dock dispatchFrom) {
+ return readInstruction(instruction.toLong(), dispatchFrom);
}
+ public BitVector encodeInstruction(Instruction instr, Dock dispatchFrom) {
+ return new BitVector(getWordWidth()).set(writeInstruction(instr, dispatchFrom));
+ }
+
+ public int getShiftWidth() { return SHIFT.valmaskwidth; }
+ public int getSetWidth() { return SET_IMMEDIATE.valmaskwidth+1; }
+
+ // FIXME: should use BitVector here
public Instruction readInstruction(long inst, Dock dispatchFrom) {
- Dock dock = getPathByAddr(dispatchFrom, DISPATCH_PATH.getval(inst)).getDestination().getDock();
+ Dock dock = getPathByAddr(dispatchFrom, DISPATCH_PATH.getvalAsBitVector(inst)).getDestination().getDock();
if (TAIL.get(inst)) return new Tail(dock);
boolean looping = !OS.get(inst);
if (FLUSH.get(inst))
return new Flush(dock, looping, predicate);
- if (SHIFT.get(inst)) return new Shift(dock, looping, predicate, new BitVector(dock.getShip().getFleet().getWordWidth()).set(SHIFT.getval(inst)));
+ if (SHIFT.get(inst)) return new Shift(dock, looping, predicate, new BitVector(dock.getShip().getFleet().getShiftWidth()).set(SHIFT.getval(inst)));
if (SET_IMMEDIATE.get(inst)) {
boolean extend = SET_IMMEDIATE_EXTEND.getval(inst) != 0;
long immediate = SET_IMMEDIATE.getval(inst);
return new Move(dock,
looping,
predicate,
- I.get(inst),
- getPathByAddr(dock, PATH_IMMEDIATE.getval(inst)),
+ !NOT_INTERRUPTIBLE.get(inst),
+ getPathByAddr(dock, PATH_IMMEDIATE.getvalAsBitVector(inst)),
TI.get(inst),
DI.get(inst),
DC.get(inst),
throw new RuntimeException("unknown instruction: 0x" + Long.toString(inst, 16));
}
+ // FIXME: should use BitVector here
public long writeInstruction(Instruction d, Dock dispatchFrom) {
long instr = 0;
- if (d.dock != null)
- instr = DISPATCH_PATH.setval(instr, getDestAddr(dispatchFrom.getPath(d.dock.getInstructionDestination(),null)));
+ if (d.dock != null) {
+ BitVector bv = getDestAddr(dispatchFrom.getPath(d.dock.getInstructionDestination(),null));
+ BitVector bv2 = new BitVector(DISPATCH_PATH.valmaskwidth);
+ for(int i=0; i<Math.min(bv.length(),bv2.length()); i++)
+ bv2.set(i, bv.get(i));
+ instr = DISPATCH_PATH.setval(instr, bv2);
+ }
boolean dl = false;
Instruction pi = d;
if (inst.latchData) instr = DC.set(instr);
if (inst.dataOut) instr = DO.set(instr);
if (inst.tokenOut) instr = TO.set(instr);
- if (inst.interruptible) instr = I.set(instr);
+ if (!inst.interruptible) instr = NOT_INTERRUPTIBLE.set(instr);
if (inst.latchPath) instr = PATH_DATA.set(instr);
else {
instr = PATH_IMMEDIATE.set(instr);
- instr = PATH_IMMEDIATE.setval(instr, inst.path==null?0:getDestAddr(inst.path));
+ if (inst.path != null) {
+ BitVector bv = getDestAddr(inst.path);
+ BitVector bv2 = new BitVector(PATH_IMMEDIATE.valmaskwidth);
+ for(int i=0; i<Math.min(bv.length(),bv2.length()); i++)
+ bv2.set(i, bv.get(i));
+ instr = PATH_IMMEDIATE.setval(instr, bv2);
+ }
}
} else {
return instr;
}
- public void writeInstruction(DataOutputStream os, Dock dispatchFrom, Instruction d) throws IOException {
- long instr = writeInstruction(d, dispatchFrom);
- for(int i=5; i>=0; i--)
- os.write(BitManipulations.getIntField(i*8+7, i*8, instr));
- }
-
- private static long flagFunctionToLong(FlagFunction ff) {
+ private long flagFunctionToLong(FlagFunction ff) {
long ret = 0;
for(Predicate p : ff)
switch(p) {
projects / fleet.git / blobdiff