package edu.berkeley.fleet.fpga;
import edu.berkeley.fleet.fpga.*;
-import edu.berkeley.fleet.doc.*;
import edu.berkeley.fleet.api.*;
-import edu.berkeley.fleet.ies44.*;
+import edu.berkeley.fleet.two.*;
import edu.berkeley.fleet.*;
import java.lang.reflect.*;
import edu.berkeley.sbp.chr.*;
import edu.berkeley.sbp.util.*;
import java.util.*;
import java.io.*;
+import edu.berkeley.fleet.two.*;
+import static edu.berkeley.fleet.two.FleetTwoFleet.*;
+import static edu.berkeley.fleet.fpga.verilog.Verilog.*;
+import edu.berkeley.fleet.two.PercolatedPort;
-public class Fpga extends Fleet {
- public ArrayList<FpgaShip> shiplist = new ArrayList<FpgaShip>();
- public HashMap<String,FpgaShip> ships = new HashMap<String,FpgaShip>();
- public Iterator<Ship> iterator() { return (Iterator<Ship>)(Object)shiplist.iterator(); }
+public class Fpga extends FleetTwoFleet {
- private String bitfile;
+ public Module top;
+ Ship debugShip;
- public static void main(String[] s) throws Exception {
- new Fpga().dumpFabric(false);
- }
+ public LinkedHashMap<String,FpgaShip> ships = new LinkedHashMap<String,FpgaShip>();
+ public Iterator<Ship> iterator() { return (Iterator<Ship>)(Object)ships.values().iterator(); }
- public Fpga() { this("gaspified.bit"); }
- public Fpga(String bitfile) {
- this.bitfile = bitfile;
- createShip("Debug", "debug");
- createShip("Memory", "memory");
- createShip("Memory", "memory2"); // need this to avoid a bug
- createShip("Fifo", "fifo1");
- createShip("Fifo", "fifo2");
- createShip("Alu2", "alu2a");
- createShip("BitFifo", "bitfifo");
- // above is the minimal ship set needed to run the regression suite, excluding "ships" tests
- createShip("Alu1", "alu1");
- createShip("Lut3", "lut3");
- createShip("Alu3", "alu3");
-
- /*
- createShip("Stack", "Stack");
- createShip("Fifo", "fifo3");
- createShip("Choice", "Choice");
- */
- // above is the minimal ship set needed to run the regression suite, including "ships" tests
-
- // below are extra bonus ships
- /*
- createShip("Alu2", "alu2b");
- createShip("Alu2", "alu2c");
- createShip("Alu2", "alu2d");
- createShip("Fifo", "fifo4");
- createShip("Memory", "Memory");
- createShip("Choice", "Choice");
- createShip("Choice", "Choice");
- createShip("Choice", "Choice");
- */
- dumpFabric(true);
+ public Ship getShip(String type, int ordinal) {
+ for(Ship s : this)
+ if (s.getType().equals(type))
+ if (--ordinal < 0)
+ return s;
+ return null;
}
- public Ship createShip(String type, String name) {
- try {
- ShipDescription sd = new ShipDescription(name, new BufferedReader(new InputStreamReader(new FileInputStream("ships/"+type+".ship"))));
- FpgaShip ship = new FpgaShip(this, name, type, sd);
- ships.put(name, ship);
- shiplist.add(ship);
- return ship;
- } catch (IOException e) { throw new RuntimeException(e); }
+ public static void main(String[] s) throws Exception {
+ new Fpga(new Module("main")).top.dump(s[0]);
+ PrintWriter pw;
+
+ pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream(s[0]+"/timescale.v")));
+ pw.println("`timescale 1ns / 10ps");
+ pw.close();
+
+ pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream(s[0]+"/vram.v")));
+ pw.println("`define BRAM_ADDR_WIDTH 19");
+ pw.println("`define BRAM_DATA_WIDTH 3");
+ pw.println("`define BRAM_SIZE (640*480)");
+ pw.println("`define BRAM_NAME vram");
+ pw.println("`include \"bram.inc\"");
+ pw.close();
}
- public FleetProcess run(final byte[] instructions) {
+ public Module getVerilogModule() { return top; }
+
+ public FleetProcess run(Instruction[] instructions) {
try {
- return new Client(bitfile, instructions);
- } catch (IOException e) { throw new RuntimeException(e); }
+ return new Client(this, "none", instructions);
+ } catch (Exception e) { throw new RuntimeException(e); }
}
- public void dumpFabric(boolean quiet) {
- // FIXME: this is really ugly: the order of port declarations in
- // the XXXShip.java file must match the order in the .balsa file!
-
- ArrayList instructionports = new ArrayList<FpgaPump>();
- for(FpgaShip ship : shiplist)
- for(Pump port : ship.getPumps())
- if (!((FpgaPump)port).special())
- instructionports.add(port);
- FabricTree instructions =
- new FabricTree((FpgaPump[])instructionports.toArray(new FpgaPump[0]),
- "ihorn",
- "instruction");
-
- ArrayList inputports = new ArrayList<FpgaPump>();
- for(FpgaShip ship : shiplist)
- for(Pump port : ship.getPumps())
- if (!((FpgaPump)port).special())
- inputports.add(port);
- FabricTree inputs =
- new FabricTree((FpgaPump[])inputports.toArray(new FpgaPump[0]),
- "horn",
- "dest");
-
- ArrayList outputports = new ArrayList<FpgaPump>();
- for(FpgaShip ship : shiplist)
- for(Pump port : ship.getPumps())
- if (!((FpgaPump)port).special() || ((FpgaPump)port).dhorn())
- outputports.add(port);
- FabricTree outputs =
- new FabricTree((FpgaPump[])outputports.toArray(new FpgaPump[0]),
- "funnel",
- "source");
-
- ArrayList ihornports = new ArrayList<FpgaPump>();
- for(FpgaShip ship : shiplist)
- for(Pump port : ship.getPumps())
- if (((FpgaPump)port).ihorn())
- ihornports.add(port);
- FabricTree ihorns =
- new FabricTree((FpgaPump[])ihornports.toArray(new FpgaPump[0]),
- "funnel",
- "ihorn");
-
- if (quiet) return;
- System.out.println("`include \"macros.v\"");
- System.out.println("module fabric(clk, rst, data_Memory0_command_r, data_Memory0_command_a, data_Memory0_command,");
- System.out.println(" data_Debug0_out_r, data_Debug0_out_a, data_Debug0_out);");
- System.out.println(" input clk;");
- System.out.println(" input rst;");
- System.out.println(" input data_Memory0_command_r;");
- System.out.println(" output data_Memory0_command_a;");
- System.out.println(" output data_Debug0_out_r;");
- System.out.println(" input data_Debug0_out_a;");
- System.out.println(" output [(`PACKET_WIDTH-1):0] data_Debug0_out;");
- System.out.println(" input [(`PACKET_WIDTH-1):0] data_Memory0_command;");
- //System.out.println(" wire [(`INSTRUCTION_WIDTH-1):0] data_Memory0_ihorn;");
- //System.out.println(" wire [(`PACKET_WIDTH-1):0] data_Memory0_dhorn;");
- System.out.println();
-
- System.out.println();
-
- instructions.dumpChannels(true);
- outputs.dumpChannels(true);
- inputs.dumpChannels(true);
- ihorns.dumpChannels(true);
- for(FpgaShip ship : shiplist)
- for(Pump port : ship.getPumps())
- if (!((FpgaPump)port).special() || ((FpgaPump)port).dhorn())
- System.out.println(" wire [(`PACKET_WIDTH-1):0] data_"
- +getUniqueName(ship)+"_"+port.getName()+";");
-
- System.out.println("wire [(`PACKET_WIDTH-1):0] ihornleft;");
-
- System.out.println("");
- instructions.dumpChannels(false);
- System.out.println("");
- outputs.dumpChannels(false);
- System.out.println("");
- inputs.dumpChannels(false);
- System.out.println("");
- ihorns.dumpChannels(false);
- System.out.println("");
- for(FpgaShip ship : shiplist) {
- System.out.print(ship.getType().toLowerCase());
- System.out.print(" ");
- System.out.print("krunk"+(krunk++));
- System.out.print("(clk, rst, ");
- boolean first = true;
- for(Pump port : ship.getPumps()) {
- if (!first) System.out.print(", ");
- first = false;
- String prefix = "data_";
- if (((FpgaPump)port).ihorn()) prefix = "ihorn_";
- if (((FpgaPump)port).dhorn()) prefix = "source_";
- System.out.print(prefix+getUniqueName(port.getShip())+"_"+port.getName()+"_r, ");
- System.out.print(prefix+getUniqueName(port.getShip())+"_"+port.getName()+"_a, ");
- System.out.print(prefix+getUniqueName(port.getShip())+"_"+port.getName());
- System.out.print(" ");
- }
- System.out.println(");");
-
- for(Pump port : ship.getPumps()) {
- if (((FpgaPump)port).special()) continue;
- if (((FpgaPump)port).inbox) {
- System.out.print("inbox");
- } else {
- System.out.print("outbox");
- }
- System.out.print(" krunk"+(krunk++)+"(clk, rst, ");
- System.out.print("instruction_"+getUniqueName(port.getShip())+"_"+port.getName()+"_r, ");
- System.out.print("instruction_"+getUniqueName(port.getShip())+"_"+port.getName()+"_a, ");
- System.out.print("`packet_data(instruction_"+getUniqueName(port.getShip())+"_"+port.getName()+"), ");
- System.out.print("dest_"+getUniqueName(port.getShip())+"_"+port.getName()+"_r, ");
- System.out.print("dest_"+getUniqueName(port.getShip())+"_"+port.getName()+"_a, ");
- System.out.print("dest_"+getUniqueName(port.getShip())+"_"+port.getName()+", ");
- System.out.print("source_"+getUniqueName(port.getShip())+"_"+port.getName()+"_r, ");
- System.out.print("source_"+getUniqueName(port.getShip())+"_"+port.getName()+"_a, ");
- System.out.print("source_"+getUniqueName(port.getShip())+"_"+port.getName()+", ");
- System.out.print("data_"+getUniqueName(port.getShip())+"_"+port.getName()+"_r, ");
- System.out.print("data_"+getUniqueName(port.getShip())+"_"+port.getName()+"_a, ");
- System.out.print("data_"+getUniqueName(port.getShip())+"_"+port.getName());
- System.out.print(");");
- System.out.println();
- }
+ protected BitVector getDestAddr(Path path) {
+ return ((FpgaPath)path).toBitVector();
+ }
- }
+ // Setup //////////////////////////////////////////////////////////////////////////////
- System.out.println("funnel ihornfun(clk, rst, "+
- " ihornleft_r, ihornleft_a, ihornleft,"+
- " ihorn_r, ihorn_a, ihorn,"+
- " source_r, source_a, source);");
- System.out.println("horn tophorn(clk, rst, "+
- " ihornleft_r, ihornleft_a, ihornleft,"+
- " instruction_r, instruction_a, instruction,"+
- " dest_r, dest_a, dest);");
- /*
- System.out.println("assign instruction_r = ihorn_r;");
- System.out.println("assign ihorn_a = instruction_a;");
- System.out.println("assign instruction = ihorn;");
- System.out.println("assign dest_r = source_r;");
- System.out.println("assign source_a = dest_a;");
- System.out.println("assign dest = source;");
- */
- System.out.println("endmodule");
+ Ship createShip(String type) throws IOException {
+ ShipDescription sd = new ShipDescription(this, type, new BufferedReader(new InputStreamReader(new FileInputStream("ships/"+type+".ship"))));
+ int count = 0;
+ for(Ship ship : ships.values()) if (ship.getType().equals(type)) count++;
+ String name = type+count;
+ FpgaShip ship = new FpgaShip(this, sd);
+ ships.put(name, ship);
+ return ship;
}
- private static class FabricTree {
- int master_idx = 1;
- String prefix;
- Node root;
- public void dumpChannels(boolean decl) { root.dumpChannels(0, decl); }
- public FabricTree(FpgaPump[] ports, String component, String prefix) {
- this.prefix = prefix;
- root = (Node)mkNode("", component, ports, 0, ports.length, 0, 0);
- }
- private Object mkNode(String name, String component, FpgaPump[] ports,
- int start, int end, int addr, int bits) {
- if (end-start == 0) return null;
- if (end-start == 1) {
- FpgaPump p = ports[start];
- if (prefix.equals("instruction")) {
- p.instr_addr = (addr<<1);
- p.instr_bits = bits+1;
- } else if (prefix.equals("dest")) {
- p.addr = (addr << 1) | 1;
- p.bits = bits+1;
- if (bits >= 11)
- throw new RuntimeException("too many pumps!");
- int count = 0;
- for(Destination d : p.getDestinations()) {
- if (!(d instanceof FpgaPump.VirtualPort)) continue;
- FpgaPump.VirtualPort vp = (FpgaPump.VirtualPort)d;
- vp.addr = p.addr | (count << bits);
- count++;
- }
- }
- return p;
- }
- int len = end-start;
- int count = 0;
- int count2 = 0;
- int breakpt = 0;
- if (end-start <= 2) {
- breakpt = (start+end)/2;
- } else {
- for(int i=start; i<end; i++)
- count += count(ports[i].getDestinations());
- for(int i=start; i<end-1; i++) {
- count2 += count(ports[i].getDestinations());
- breakpt = i;
- if (i>start && count2 >= count/2) break;
- }
- }
- return new Node(name,
- component,
- mkNode(name+"_0", component, ports, start, breakpt, addr, bits+1),
- mkNode(name+"_1", component, ports, breakpt, end, addr | (1 << bits), bits+1),
- addr,
- bits);
- }
- private String describe(String prefix, Object o) {
- if (o==null) return null;
- if (o instanceof FpgaPump) {
- FpgaPump p = (FpgaPump)o;
- return prefix+"_"+getUniqueName(p.getShip())+"_"+p.getName();
- }
- if (o instanceof Node) {
- return ((Node)o).describe(prefix);
- }
- return null;
+ public Fpga() throws Exception { this(new Module("main")); }
+ public Fpga(Module top) throws Exception {
+ this.top = top;
+ debugShip = createShip("Debug");
+
+ boolean small = true;
+ //boolean small = false;
+
+ if (small) {
+ for(int i=0; i<2; i++) createShip("Alu");
+ for(int i=0; i<1; i++) createShip("Memory");
+ for(int i=0; i<2; i++) createShip("Fifo");
+ createShip("Counter");
+ createShip("CarrySaveAdder");
+ createShip("Rotator");
+ createShip("Lut3");
+ createShip("Timer");
+ createShip("DDR2");
+ createShip("Dvi");
+
+ } else {
+
+ for(int i=0; i<3; i++) createShip("Memory");
+ for(int i=0; i<3; i++) createShip("Alu");
+ for(int i=0; i<2; i++) createShip("Fifo");
+ for(int i=0; i<14; i++) createShip("Counter");
+
+ /*
+ // "really big" configuration: 138 docks
+ for(int i=0; i<4; i++) createShip("Alu");
+ */
+
+ //createShip("CarrySaveAdder");
+ //createShip("Rotator");
+ //createShip("Lut3");
+
+ createShip("Timer");
+ createShip("DDR2");
+ createShip("Dvi");
}
- private class Node {
- Object left;
- Object right;
- String name;
- String component;
- int addr;
- int bits;
- public Node(String name, String component, Object left, Object right, int addr, int bits) {
- this.left = left;
- this.right = right;
- this.name = name;
- this.component = component;
- this.addr = addr;
- this.bits = bits;
- }
- public void dumpChannels(int indentamount, boolean decl) {
- String indent = "";
- for(int i=0; i<indentamount; i++) indent += " ";
- if (decl) {
- String n = describe(prefix).startsWith("instruction")
- ? "[(`PACKET_WIDTH-1):0]" : "[(`PACKET_WIDTH-1):0]";
- System.out.println(" wire "+n+" "+indent+describe(prefix)+";");
- } else {
- System.out.println(" "+indent+
- component+" "+
- "krunk"+(krunk++)+"(clk, rst, "+
- describe(prefix)+"_r, "+
- describe(prefix)+"_a, "+
- describe(prefix)+", "+
- FabricTree.this.describe(prefix, left)+"_r, "+
- FabricTree.this.describe(prefix, left)+"_a, "+
- FabricTree.this.describe(prefix, left)+", "+
- FabricTree.this.describe(prefix, right)+"_r, "+
- FabricTree.this.describe(prefix, right)+"_a, "+
- FabricTree.this.describe(prefix, right)+
- ");");
- }
- dumpChannels(left, indentamount+1, decl);
- dumpChannels(right, indentamount+1, decl);
- }
- public void dumpChannels(Object o, int indentamount, boolean decl) {
- if (o==null) return;
- if (o instanceof Node) {
- ((Node)o).dumpChannels(indentamount, decl);
+
+ // for FifoShip
+ new Module.InstantiatedModule(top, new FifoModule(8, WIDTH_WORD));
+
+ ArrayList dests = new ArrayList<FabricElement>();
+ ArrayList sources = new ArrayList<FabricElement>();
+ for(FpgaShip ship : (Iterable<FpgaShip>)(Object)this) {
+ for(Dock port : ship) {
+ if (port.isInputDock()) {
+ sources.add(((FpgaDock)port));
+ dests.add(port.getInstructionDestination());
+ dests.add(port.getDataDestination());
} else {
- String indent = "";
- for(int i=0; i<indentamount; i++) indent += " ";
- if (decl) {
- String n = FabricTree.this.describe(prefix,o).startsWith("instruction")
- ? "[(`PACKET_WIDTH-1):0]" : "[(`PACKET_WIDTH-1):0]";
- System.out.println(" wire "+n+" "+indent+FabricTree.this.describe(prefix,o)+";");
- }
+ sources.add(((FpgaDock)port));
+ dests.add(port.getInstructionDestination());
+ dests.add(port.getDataDestination());
}
}
- public String describe(String prefix) {
- return prefix+name;
+ for(Module.SourcePort sp0 : ship.docklessPorts.values()) {
+ final Module.SourcePort sp = sp0;
+ sources.add(new FabricElement.AbstractFabricElement() {
+ private FabricElement upstream;
+ public int getPathLength(FpgaDestination dest) { return upstream.getPathLength(dest); }
+ public FpgaPath getPath(FpgaDestination dest, BitVector signal) { return upstream.getPath(dest, signal); }
+ public void addOutput(FabricElement out, Module.Port outPort) {
+ this.upstream = out;
+ sp.connect((Module.SinkPort)outPort);
+ }
+ });
}
}
+ FabricElement top_horn = mkNode((FabricElement[])dests.toArray(new FabricElement[0]), true);
+ mkNode((FabricElement[])sources.toArray(new FabricElement[0]), false)
+ .addOutput(top_horn, top_horn.getInputPort());
}
- public static int krunk=0;
- private static String getUniqueName(Ship ship) {
- return ship.getType() + ship.getOrdinal();
+ public FabricElement mkNode(FabricElement[] ports, boolean is_horn) { return mkNode(ports, is_horn, 0, ports.length); }
+ public FabricElement mkNode(FabricElement[] ports, boolean is_horn, int start, int end) {
+ switch(end-start) {
+ case 0: throw new RuntimeException("this should never happen");
+ case 1: return ports[start];
+ default: {
+ FabricElement leftPort = mkNode(ports, is_horn, start, (end+start)/2);
+ FabricElement rightPort = mkNode(ports, is_horn, (end+start)/2, end);
+ return is_horn
+ ? new HornModule.HornInstance(this, top, leftPort, rightPort)
+ : new FunnelModule.FunnelInstance(this, top, leftPort, rightPort);
+ }
+ }
}
- private static int count(Iterable<Destination> it) {
- int ret = 0;
- for(Destination d : it)
- ret++;
- return ret;
- }
+
+ // Expand //////////////////////////////////////////////////////////////////////////////
public void expand(ShipDescription sd) {
try {
if (sd.getSection("fpga")==null) return;
String filename = sd.getName().toLowerCase();
+
+ if (sd.getSection("ucf") != null) {
+ File outf = new File("build/fpga/"+filename+".ucf");
+ FileOutputStream out = new FileOutputStream(outf);
+ PrintWriter pw = new PrintWriter(out);
+ pw.println(sd.getSection("ucf"));
+ pw.flush();
+ pw.close();
+ }
+
File outf = new File("build/fpga/"+filename+".v");
new File(outf.getParent()).mkdirs();
System.err.println("writing to " + outf);
FileOutputStream out = new FileOutputStream(outf);
PrintWriter pw = new PrintWriter(out);
- boolean auto =
- !"debug".equals(filename) &&
- !"execute".equals(filename) &&
- !"memory".equals(filename) &&
- !"fifo".equals(filename);
+ pw.println("`define WORDWIDTH "+WIDTH_WORD);
+ pw.println("`define CODEBAG_SIZE_BITS "+CBD_SIZE.valmaskwidth);
+ pw.println();
- if (auto) {
- pw.println("`include \"macros.v\"");
- pw.println();
+ for(DockDescription dd : sd.ports()) {
+ String name = dd.getName();
+ pw.println("`define "+name+"_full ("+name+"_r && !"+name+"_a)");
+ pw.println("`define "+name+"_empty (!"+name+"_r && !"+name+"_a)");
+ if (dd.isInputDock()) {
+ // gets stuck on colliding-tokens
+ //pw.println("`define drain_"+name+" if ("+name+"_r && !"+name+"_a) "+name+"_a <= 1;");
+
+ // gets stuck on colliding-tokens
+ //pw.println("`define drain_"+name+" if ("+name+"_r) "+name+"_a <= 1;");
+
+ // also gets stuck
+ //pw.println("`define drain_"+name+" if (!"+name+"_a) "+name+"_a <= 1;");
+ pw.println("`define drain_"+name+" "+name+"_a <= 1;");
+ } else {
+ pw.println("`define fill_"+name+" "+name+"_r <= 1;");
+ }
+ }
pw.print("`define reset ");
- for(PumpDescription bb : sd) {
+ for(DockDescription bb : sd.ports()) {
+ String bb_name = bb.getName();
+ if (bb.isInputDock()) pw.print(bb_name+"_a <= 1; ");
+ else pw.print(bb_name+"_r <= 0; ");
+ }
+ pw.println();
+
+ pw.print("`define cleanup ");
+
+ // output docks
+ for(DockDescription dd : sd.ports())
+ if (!dd.isInputDock())
+ pw.print("if ( "+dd.getName()+"_r && "+dd.getName()+"_a) "+dd.getName()+"_r <= 0; ");
+
+ // input docks: if all inputs are flushing, drain them all
+ pw.print("if (1");
+ for(DockDescription bb : sd.ports())
+ if (bb.isInputDock())
+ pw.print(" && "+bb.getName()+"_f");
+ pw.print(") begin ");
+ for(DockDescription bb : sd.ports())
+ if (bb.isInputDock())
+ pw.print(bb.getName()+"_a <= 1; ");
+
+ // input docks: if no inputs are flushing, do normal stuff
+ pw.print("end else if (1");
+ for(DockDescription bb : sd.ports())
+ if (bb.isInputDock())
+ pw.print(" && !"+bb.getName()+"_f");
+ pw.print(") begin ");
+
+ for(DockDescription bb : sd.ports())
+ if (bb.isInputDock())
+ pw.print("if (!"+bb.getName()+"_r_ && "+bb.getName()+"_a) "+bb.getName()+"_a <= 0; ");
+
+ // input docks: if some-but-not-all inputs are flushing, drain all non-flushing docks
+ pw.print("end else begin ");
+
+ for(DockDescription bb : sd.ports())
+ if (bb.isInputDock()) {
+ pw.print("if (!"+bb.getName()+"_r && "+bb.getName()+"_a) "+bb.getName()+"_a <= 0; ");
+ pw.print("if ("+bb.getName()+"_r && !"+bb.getName()+"_a) "+bb.getName()+"_a <= 1; ");
+ }
+
+ pw.print(" end");
+
+ pw.println();
+
+ pw.println("module " + filename + "( clk, rst ");
+ for(DockDescription bb : sd.ports()) {
String bb_name = bb.getName();
- if (bb.isInbox()) {
- pw.print(bb_name+"_a <= 1; ");
+ pw.print(" ");
+ if (bb.isInputDock()) {
+ pw.print(", " + bb_name+"_r_");
+ pw.print(", " + bb_name+"_a_");
+ pw.print(", " + bb_name+"_d");
} else {
- pw.print(bb_name+"_r <= 0; ");
+ pw.print(", " + bb_name+"_r_");
+ pw.print(", " + bb_name+"_a");
+ pw.print(", " + bb_name+"_d_");
}
+ pw.println();
+ }
+ for(PercolatedPort pp : sd.percolatedPorts) {
+ pw.print(" , ");
+ pw.println(pp.name);
}
+ pw.println(" );");
pw.println();
+ pw.println(" input clk;");
+ pw.println(" input rst;");
+ for(PercolatedPort pp : sd.percolatedPorts) {
+ switch(pp.type) {
+ case UP: pw.print("output"); break;
+ case DOWN: pw.print("input"); break;
+ case INOUT: pw.print("inout"); break;
+ }
+ pw.print(" ");
+ if (pp.width > 1)
+ pw.print("["+(pp.width-1)+":0]");
+ pw.print(" ");
+ pw.print(pp.name);
+ pw.println(";");
+ }
- pw.println("module " + filename + "( clk, rst ");
- for(PumpDescription bb : sd) {
- String bb_name = bb.getName();
- pw.print(" ");
- if (bb.isInbox()) {
- pw.print(", " + bb_name+"_r");
- pw.print(", " + bb_name+"_a_");
- pw.print(", " + bb_name+"_d");
- } else {
- pw.print(", " + bb_name+"_r_");
- pw.print(", " + bb_name+"_a");
- pw.print(", " + bb_name+"_d_");
- }
- pw.println();
+ for(DockDescription bb : sd.ports()) {
+ String bb_name = bb.getName();
+ int width = bb.isDockless() ? WIDTH_PACKET : WIDTH_WORD;
+ if (bb.isInputDock()) {
+ pw.println(" input ["+width+":0] "+bb_name+"_d;");
+ pw.println(" input "+bb_name+"_r_;");
+ pw.println(" wire "+bb_name+"_r;");
+ pw.println(" assign "+bb_name+"_r = "+bb_name+"_r_ & ~"+bb_name+"_d["+width+"];");
+ pw.println(" output "+bb_name+"_a_;");
+ pw.println(" reg "+bb_name+"_a;");
+ pw.println(" initial "+bb_name+"_a = 0;");
+ pw.println(" wire "+bb_name+"_f;");
+ pw.println(" assign "+bb_name+"_f = "+bb_name+"_r_ & "+bb_name+"_d["+width+"] && ~"+bb_name+"_a;");
+ pw.println(" assign "+bb_name+"_a_ = "+bb_name+"_a;");
+ } else {
+ pw.println(" output ["+width+":0] "+bb_name+"_d_;");
+ pw.println(" input "+bb_name+"_a;");
+ pw.println(" output "+bb_name+"_r_;");
+ pw.println(" reg "+bb_name+"_r;");
+ pw.println(" initial "+bb_name+"_r = 0;");
+ pw.println(" assign "+bb_name+"_r_ = "+bb_name+"_r;");
}
- pw.println(" );");
pw.println();
- pw.println(" input clk;");
- pw.println(" input rst;");
- for(PumpDescription bb : sd) {
- String bb_name = bb.getName();
- pw.print(" ");
- if (bb.isInbox()) {
- pw.println("`input(" +
- bb_name+"_r, "+
- bb_name+"_a, "+
- bb_name+"_a_, "+
- "[(`PACKET_WIDTH-1):0],"+
- bb_name+"_d)"
- );
- } else {
- pw.println("`output(" +
- bb_name+"_r, "+
- bb_name+"_r_, "+
- bb_name+"_a, "+
- "[(`PACKET_WIDTH-1):0],"+
- bb_name+"_d_)"
- );
- pw.println("`defreg(" +
- bb_name+"_d_, "+
- "[(`PACKET_WIDTH-1):0],"+
- bb_name+"_d)"
- );
- }
- pw.println();
- }
}
- pw.println(sd.getSection("fpga"));
+ if (filename.equals("fifo")) {
+ pw.println(" wire in_a__;");
+ pw.println(" wire out_r__;");
+ pw.println(" fifo8x37 fifo8x37(clk, rst,");
+ pw.println(" in_r, in_a__, in_d,");
+ pw.println(" out_r__, out_a, out_d_);");
+ pw.println(" always @(posedge clk) begin");
+ pw.println(" if (rst) begin");
+ pw.println(" `reset");
+ pw.println(" end else begin");
+ pw.println(" `cleanup");
+ pw.println(" out_r <= out_r__;");
+ pw.println(" if (in_a__) in_a <= 1;");
+ pw.println(" end");
+ pw.println(" end");
+ } else {
+ pw.println(sd.getSection("fpga"));
+ }
- if (auto)
- pw.println("endmodule");
+ pw.println("endmodule");
pw.flush();
pw.close();
} catch (Exception e) { throw new RuntimeException(e); }
}
- public int computeOffset(int origin, int target) { return (target - origin)/6; }
- public int computeTarget(int origin, int offset) { return origin + (offset*6); }
-
- private FpgaInstructionEncoder iie = new FpgaInstructionEncoder();
- public Instruction readInstruction(DataInputStream is) throws IOException { return iie.readInstruction(is); }
- public Instruction readInstruction(long instr) { return iie.readInstruction(instr); }
- public long writeInstruction(Instruction d) { return writeInstruction(d); }
- public void writeInstruction(DataOutputStream os, Instruction d) throws IOException { iie.writeInstruction(os, d); }
-
- private class FpgaInstructionEncoder extends InstructionEncoder {
- public long getDestAddr(Destination box) { return ((FpgaPump.VirtualPort)box).addr; }
- public long getBoxInstAddr(Pump box) { return ((FpgaPump)box).instr_addr; }
- public Destination getDestByAddr(long dest) {
- for(Ship ship : Fpga.this)
- for(Pump bb : ship.getPumps())
- for(Destination d : bb.getDestinations())
- if (getDestAddr(d)==dest)
- return d;
- return null;
- }
- public Pump getBoxByInstAddr(long dest) {
- for(Ship ship : Fpga.this)
- for(Pump bb : ship.getPumps())
- if (((FpgaPump)bb).instr_addr == dest)
- return bb;
- return null;
- }
- }
-
-}
\ No newline at end of file
+}
projects / fleet.git / blobdiff