private Socket s;
private BlockingQueue<BitVector> queue = new LinkedBlockingQueue<BitVector>();
- public static long signExtend(long val) {
- if ((val & (1L << 36)) != 0)
- val = val | (0xffffffffffffffffL << 36);
- return val;
- }
-
public Fleet getFleet() { return fpga; }
public Dock getDebugInputDock() {
return fpga.getShip("Debug",0).getDock("in");
}
- public BitVector readWord() {
+ public BitVector recvWord() {
if (isTerminated())
throw new RuntimeException("this fleet has been terminated");
try {
}
private Fpga fpga;
- private DataOutputStream dos = null;
+ private OutputStream os = null;
public void flush() {
try {
- dos.flush();
+ os.flush();
} catch (Exception e) {
throw new RuntimeException(e);
}
s = new Socket(InetAddress.getByName("goliath.megacz.com"), 3133);
//s = new Socket(InetAddress.getByName("localhost"), 3133);
- OutputStream os = new BufferedOutputStream(s.getOutputStream());
+ this.os = new BufferedOutputStream(s.getOutputStream());
+ final InputStream is = new BufferedInputStream(s.getInputStream());
PrintWriter pw = new PrintWriter(new OutputStreamWriter(os));
pw.print(Server.pass_string+" "+bitfile+"\n");
pw.flush();
- this.dos = new DataOutputStream(os);
- for(Instruction inst : instructions)
- dispatchInstruction(inst);
- flush();
+ // goofy reset sequence
+ new Thread() {
+ public void run() {
+ try {
+ for(int i=0; i<255; i++) os.write( (3<<6) | 0);
+ for(int i=0; i<60; i++) os.write( (3<<6) | i);
+ os.flush();
+ } catch (Exception e) { throw new RuntimeException(e); }
+ }
+ }.start();
+ int k = 1;
+ while(k<60) {
+ int i = is.read();
+ if ( (i & (3<<6)) != (3<<6) ) { k=1; continue; }
+ i = i & ~((-1)<<6);
+ if (i==k) k++; else k = 1;
+ }
+
+ // initial flow-control credits
+ os.write( (1<<6) | 15);
- final InputStream is = new BufferedInputStream(s.getInputStream());
Thread t = new Thread() {
public void run() {
try {
- while(true) {
+ OUTER: while(true) {
long result = 0;
- int val = 0;
- for(int i=0; i<6; i++) {
- val = is.read();
- if (val==-1) break;
- long val2 = (val & 0xffL);
- val2 = val2 << (i * 8);
- result |= val2;
+ for(int i=0; i<8; i++) {
+ int val = is.read();
+ if (val==-1) break OUTER;
+ result |= ((val & 0xffL) << (i * 6L));
}
- if (val==-1) break;
BitVector bs = new BitVector(37);
for(int i=0; i<37; i++)
bs.set(i, ((result >> i) & 1L)!=0);
};
t.setDaemon(true);
t.start();
+
+ for(Instruction inst : instructions) sendInstruction(inst);
+ flush();
}
- public void dispatchToken(Destination d) { dispatchWord(d, new BitVector(fpga.getWordWidth()), true); }
- public void dispatchWord(Destination d, BitVector word) { dispatchWord(d, word, false); }
- private void dispatchWord(Destination d, BitVector word, boolean token) {
+ public void sendToken(Destination d) { sendWord(d, new BitVector(fpga.getWordWidth()), null, true); }
+ public void sendWord(Destination d, BitVector word) { sendWord(d, word, null, false); }
+ public void sendWord(Destination d, BitVector word, BitVector signal) { sendWord(d, word, signal, false); }
+ private void sendWord(Destination d, BitVector word, BitVector signal, boolean token) {
try {
Dock dispatchFrom = fpga.debugShip.getDock("in");
long out = 0;
- out = PACKET_DATA.setval(out, word);
- out = PACKET_TOKEN.setval(out, token ? 1 : 0);
- out = PACKET_SIGNAL.setval(out, 0);
- out = PACKET_DEST.setval(out, ((FpgaPath)dispatchFrom.getPath(d, null)).toLong());
+ out = fpga.PACKET_DATA.setval(out, word);
+ out = fpga.PACKET_TOKEN.setval(out, token ? 1 : 0);
+ if (signal==null)
+ out = fpga.PACKET_SIGNAL.setval(out, 0);
+ else
+ out = fpga.PACKET_SIGNAL.setval(out, signal);
+ out = fpga.PACKET_DEST.setval(out, ((FpgaPath)dispatchFrom.getPath(d, null)).toLong());
synchronized(this) {
- for(int i=7; i>=0; i--)
- dos.write(BitManipulations.getIntField(i*8+7, i*8, out));
+ for(int i=9; i>=0; i--)
+ os.write(BitManipulations.getIntField(i*6+5, i*6, out));
+ os.flush();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
- public void dispatchInstruction(Instruction inst) {
+ public void sendInstruction(Instruction inst) {
Dock dispatchFrom = fpga.debugShip.getDock("in");
- dispatchWord(inst.dock.getInstructionDestination(),
- new BitVector(fpga.getWordWidth()).set(fpga.writeInstruction(inst, dispatchFrom)));
+ sendWord(inst.dock.getInstructionDestination(),
+ new BitVector(fpga.getWordWidth()).set(fpga.writeInstruction(inst, dispatchFrom)));
}
- private static Move discard(Dock dock) { return new Move(dock, false, IgnoreOLC, false, null, false, true, false, false, false, false); }
- private static Move deliver(Dock dock) { return new Move(dock, false, IgnoreOLC, false, null, false, false, false, false, true, false); }
- private static Move wait(Dock dock) { return new Move(dock, false, IgnoreOLC, false, null, true, false, false, false, false, false); }
- private static Move sendto(Dock dock, Path path) { return new Move(dock, false, IgnoreOLC, false, path, false, false, false, false, true, false); }
+ private static Move discard(Dock dock) { return new Move(dock, IgnoreFlagD, false, null, false, true, false, false, false, false); }
+ private static Move deliver(Dock dock) { return new Move(dock, IgnoreFlagD, false, null, false, false, false, false, true, false); }
+ private static Move wait(Dock dock) { return new Move(dock, IgnoreFlagD, false, null, true, false, false, false, false, false); }
+ private static Move sendto(Dock dock, Path path) { return new Move(dock, IgnoreFlagD, false, path, false, false, false, false, true, false); }
}