package edu.berkeley.obits.device.atmel;
-import static edu.berkeley.obits.device.atmel.AtmelDevice.Constants.*;
+
+import com.atmel.fpslic.*;
+import static com.atmel.fpslic.FpslicConstants.*;
+import static com.atmel.fpslic.Fpslic.Util.*;
import edu.berkeley.obits.*;
import org.ibex.util.*;
+import java.util.*;
+import java.io.*;
public class At40k {
- private final AtmelDevice dev;
+ /*private*/public final Fpslic dev;
private final int width;
private final int height;
- public At40k(AtmelDevice dev, int width, int height) {
+ public At40k(Fpslic dev, int width, int height) {
this.width = width;
this.height = height;
this.dev = dev;
}
public static class At40k10 extends At40k {
- public At40k10(AtmelDevice dev) { super(dev, 24, 24); }
+ public At40k10(Fpslic dev) { super(dev, 24, 24); }
}
- public Sector sector(int col, int row) { return new Sector(col, row); }
public final class Sector {
public final int col;
public final int row;
- public Sector(int col, int row) {
+ public Sector(Cell c) { this((c.col/4)*4, (c.row/4)*4); }
+ private Sector(int col, int row) {
if (row % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 row");
if (col % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 col");
this.row = row;
this.col = col;
}
+ public Sector north() { return row+4>=height ? null : new Sector(col, row+4); }
+ public Sector south() { return row==0 ? null : new Sector(col, row-4); }
+ public Sector east() { return col+4>=width ? null : new Sector(col+4, row); }
+ public Sector west() { return col==0 ? null : new Sector(col-4, row); }
+ public Cell cell() { return At40k.this.cell(col, row); }
+ }
+
+ public final class SectorWire {
+ public final boolean global;
+ public final boolean horizontal;
+ public final int plane;
+ public final int row;
+ public final int col;
+ public SectorWire(boolean horizontal, int plane, int col, int row) {
+ this.horizontal=horizontal;
+ this.global = false;
+ this.plane=plane;
+ this.col= horizontal ? (col & ~0x3) : col;
+ this.row=!horizontal ? (row & ~0x3) : row;
+ }
+ public boolean isDriven() {
+ // FIXME: bridging connections (horiz-to-vert)
+ for(int i=0; i<4; i++)
+ if (cell(horizontal ? col+i : col,
+ horizontal ? row : row+i).out(plane)) return true;
+ // FIXME: sector switchbox drivers
+ return false;
+ }
+ private int z(int z) { return (horizontal ? 0x30 : 0x20) | z; }
+ public int code(boolean topleft) {
+ switch(plane) {
+ case 0: return z(6)+(topleft?0:1);
+ case 1: return z(8)+(topleft?0:1);
+ case 2: return z(2*(4-plane))+(topleft?0:1);
+ case 3: return z(2*(4-plane))+(topleft?0:1);
+ case 4: return z(2*(4-plane))+(topleft?0:1);
+ }
+ throw new Error();
+ }
+
+ private final int fine() { return horizontal ? row : col; }
+ public final int coarse() { return horizontal ? col : row; }
+ private int _row() { return horizontal ? row : ((row)>>2); }
+ private int _col() { return horizontal ? ((col)>>2) : col; }
+
+ public SectorWire west() { return !horizontal ? null : col-4<0 ? null : new SectorWire(horizontal, plane, col-4, row); }
+ public SectorWire east() { return !horizontal ? null : col+4>=width ? null : new SectorWire(horizontal, plane, col+4, row); }
+ public SectorWire north() { return horizontal ? null : row+4>=height ? null : new SectorWire(horizontal, plane, col, row+4); }
+ public SectorWire south() { return horizontal ? null : row-4<0 ? null : new SectorWire(horizontal, plane, col, row-4); }
+
+ public String toString() {
+ return
+ (horizontal?(col+":"+(col+3)):(""+col))+","+
+ (horizontal?(row+"") :(row+":"+(row+3)))+
+ "x"+plane;
+ }
+
+ /** returns the ZYX0 coordinate of the byte controlling the switchbox that allows <tt>w</tt> to drive this wire */
+ public int switchbox(SectorWire w) {
+ if (w.horizontal==horizontal) {
+ if (w.plane!=plane) throw new Error();
+ if (Math.abs(w.coarse()-coarse())!=4) throw new Error(w.coarse() + " -- " + coarse());
+ boolean topleft = horizontal ? (w.coarse() < coarse()) : (w.coarse() > coarse());
+ int col = _col() + (( horizontal && !topleft) ? 1 : 0);
+ int row = _row() + ((!horizontal && topleft) ? 1 : 0);
+ return (code(topleft) << 24) | (row<<16) | (col<<8);
+ }
+ throw new Error("not implemented");
+ }
+
+ public void drives(SectorWire w, boolean enable) {
+ dev.mode4zyx(switchbox(w), enable?0x02:0x00, 0x07);
+ }
+
+ public boolean drives(SectorWire w) {
+ int connect = (dev.mode4zyx(switchbox(w)) >> (global?3:0)) & 0x7;
+ return (connect & 0x2)!=0;
+ }
+ public SectorWire driverRight() {
+ System.out.println("checking " + Integer.toString(code(true), 16) + " " + Integer.toString(_row(), 16) + " " + Integer.toString(_col(), 16));
+ int ret = dev.mode4(z(code(true)), _row(), _col());
+ ret = (ret >> (global?3:0)) & 0x7;
+ switch(ret) {
+ case 0: return null;
+ case 1: return null; /* global wire on same side */
+ case 2: return new SectorWire(horizontal, plane, horizontal?(col+4):col, horizontal?row:(row+4));
+ case 4: return null; /* global wire on other side */
+ default: throw new Error("multiple drivers on " + this + "!");
+ }
+ }
+ }
+ /*
+ public final class SwitchBox {
+ public final boolean h;
+ public final int col;
+ public final int row;
+ public final int plane;
+ public SwitchBox(boolean h, int col, int row, int plane) { this.h = h; this.col = col; this.row = row; this.plane = plane; }
+ public SectorWire west(boolean global) { return !h ? null : global ? null : new SectorWire(h, col-4, row, plane); }
+ public SectorWire east(boolean global) { return !h ? null : global ? null : new SectorWire(h, col+4, row, plane); }
+ public SectorWire north(boolean global) { return !h ? null : global ? null : new SectorWire(h, col, row-4, plane); }
+ public SectorWire south(boolean global) { return !h ? null : global ? null : new SectorWire(h, col, row+4, plane); }
+ }
+ */
+
+ public Cell cell(int col, int row) {
+ if (col<0) return null;
+ if (row<0) return null;
+ if (col>=width) return null;
+ if (row>=height) return null;
+ return new Cell(col, row);
}
- public Cell cell(int col, int row) { return new Cell(col, row); }
public final class Cell {
public final int col;
public final int row;
- public Sector getSector() { return sector(col - (col % 4), row - (row % 4)); }
+
public Cell(int col, int row) {
this.row = row;
this.col = col;
}
+
+ // Accessors for Neighbors //////////////////////////////////////////////////////////////////////////////
+
+ public SectorWire hwire(int plane) { return new SectorWire(true, plane, col, row); }
+ public SectorWire vwire(int plane) { return new SectorWire(false, plane, col, row); }
+ public Cell east() { return cell(col+1, row); }
+ public Cell west() { return cell(col-1, row); }
+ public Cell north() { return cell(col, row+1); }
+ public Cell south() { return cell(col, row-1); }
+ public Cell ne() { return cell(col+1, row+1); }
+ public Cell nw() { return cell(col-1, row+1); }
+ public Cell se() { return cell(col+1, row-1); }
+ public Cell sw() { return cell(col-1, row-1); }
+ public Sector sector() { return new Sector(this); }
- /* bit positions mean: [MSB] ___ __y _x_ _xy z__ z_y zx_ zxy [LSB] */
- public void ylut(byte table) { dev.mode4(6, row, col, ~table); }
+ /* bit positions mean: [MSB] zxy z_y zx_ z__ _xy __y _x_ ___ [LSB] */
+ public void lut(int xlut, int ylut) { xlut(xlut); ylut(ylut); }
+ public void xlut(int table) { dev.mode4(7, row, col, (byte)(table & 0xff)); }
+ public byte xlut() { return (byte)(dev.mode4(7, row, col) & 0xff); }
+ public String printXLut() { return printLut(xlut(), "x", "y", "t"); }
+ public String printXLutX() { return printLut(xlut(), str(xi(), "x"), str(yi(), "y"), str(ti_source(), "t")); }
- /* bit positions mean: [MSB] ___ __y _x_ _xy z__ z_y zx_ zxy [LSB] */
- public void xlut(byte table) { dev.mode4(7, row, col, ~table); }
+ public String str(int x, String def) {
+ switch(x) {
+ case NORTH: return "n";
+ case SOUTH: return "s";
+ case EAST: return "e";
+ case WEST: return "w";
+ case NW: return "nw";
+ case SE: return "se";
+ case NE: return "ne";
+ case SW: return "sw";
+ case FB: return "fb";
+ case L0: return (hx(0)&&vx(0))?"HV0":hx(0)?"H0":vx(0)?"V0":"L0";
+ case L1: return (hx(1)&&vx(1))?"HV1":hx(1)?"H1":vx(1)?"V1":"L1";
+ case L2: return (hx(2)&&vx(2))?"HV2":hx(2)?"H2":vx(2)?"V2":"L2";
+ case L3: return (hx(3)&&vx(3))?"HV3":hx(3)?"H3":vx(3)?"V3":"L3";
+ case L4: return (hx(4)&&vx(4))?"HV4":hx(4)?"H4":vx(4)?"V4":"L4";
+ default: return def;
+ }
+ }
+
+ /* bit positions mean: [MSB] zxy zx_ z_y z__ _xy _x_ __y ___ [LSB] */
+ public void ylut(int table) { dev.mode4(6, row, col, (byte)(table & 0xff)); }
+ public byte ylut() { return (byte)(dev.mode4(6, row, col) & 0xff); }
+ public String printYLut() { return printLut(ylut(), "y", "x", "t"); }
+ public String printYLutX() { return printLut(ylut(), str(yi(), "y"), str(xi(), "x"), str(ti_source(), "t")) + Integer.toString(ylut() & 0xff, 16); }
public void ff_reset_value(boolean value) {
//dev.mode4( /* FIXME WRONG!!! */, row, col, 3, !value); return;
}
+ /** FIXME!!! */
+ public boolean ff_reset_value() { return false; }
+ public boolean columnClocked() {
+ return false;
+ }
public void out(int plane, boolean enable) {
switch(plane) {
- case 0: dev.mode4(0x00, row, col, 2, enable); return;
- case 1: dev.mode4(0x00, row, col, 3, enable); return;
- case 2: dev.mode4(0x00, row, col, 5, enable); return;
- case 3: dev.mode4(0x00, row, col, 4, enable); return;
- case 4: dev.mode4(0x00, row, col, 1, enable); return;
+ case L0: dev.mode4(0x00, row, col, 2, enable); return;
+ case L1: dev.mode4(0x00, row, col, 3, enable); return;
+ case L2: dev.mode4(0x00, row, col, 5, enable); return;
+ case L3: dev.mode4(0x00, row, col, 4, enable); return;
+ case L4: dev.mode4(0x00, row, col, 1, enable); return;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public boolean out(int plane) {
+ switch(plane) {
+ case L0: return (dev.mode4(0x00, row, col) & (1<<2)) != 0;
+ case L1: return (dev.mode4(0x00, row, col) & (1<<3)) != 0;
+ case L2: return (dev.mode4(0x00, row, col) & (1<<5)) != 0;
+ case L3: return (dev.mode4(0x00, row, col) & (1<<4)) != 0;
+ case L4: return (dev.mode4(0x00, row, col) & (1<<1)) != 0;
default: throw new RuntimeException("invalid argument");
}
}
public void h(int plane, boolean enable) {
switch(plane) {
- case 0: dev.mode4(0x08, row, col, 0, enable); return;
- case 1: dev.mode4(0x08, row, col, 2, enable); return;
+ case 0: dev.mode4(0x08, row, col, 2, enable); return;
+ case 1: dev.mode4(0x08, row, col, 0, enable); return;
case 2: dev.mode4(0x08, row, col, 5, enable); return;
case 3: dev.mode4(0x08, row, col, 6, enable); return;
case 4: dev.mode4(0x00, row, col, 6, enable); return;
}
}
+ public boolean hx(int plane) {
+ switch(plane) {
+ case 0: return (dev.mode4(0x08, row, col) & (1<<2)) != 0;
+ case 1: return (dev.mode4(0x08, row, col) & (1<<0)) != 0;
+ case 2: return (dev.mode4(0x08, row, col) & (1<<5)) != 0;
+ case 3: return (dev.mode4(0x08, row, col) & (1<<6)) != 0;
+ case 4: return (dev.mode4(0x00, row, col) & (1<<6)) != 0;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
public void v(int plane, boolean enable) {
switch(plane) {
case 0: dev.mode4(0x08, row, col, 1, enable); return;
}
}
- public void t(boolean z, boolean w, boolean fb) {
+ public boolean vx(int plane) {
+ switch(plane) {
+ case 0: return (dev.mode4(0x08, row, col) & (1<<1)) != 0;
+ case 1: return (dev.mode4(0x08, row, col) & (1<<3)) != 0;
+ case 2: return (dev.mode4(0x08, row, col) & (1<<4)) != 0;
+ case 3: return (dev.mode4(0x08, row, col) & (1<<7)) != 0;
+ case 4: return (dev.mode4(0x00, row, col) & (1<<7)) != 0;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+
+ public int ti_source() {
+ switch(dev.mode4(1, row, col) & 0x30) {
+ case 0x20: return zi();
+ case 0x10: return FB;
+ case 0x00: return wi();
+ default: throw new Error("ack!");
+ }
+ }
+
+ public int t() {
+ System.err.println("found " + (dev.mode4(1, row, col) & 0x34));
+ switch(dev.mode4(1, row, col) & 0x34) {
+ case 0x20: return TMUX_Z;
+ case 0x24: return TMUX_W_AND_Z;
+ case 0x34: return TMUX_FB;
+ case 0x14: return TMUX_W_AND_FB;
+ case 0x00: return TMUX_W;
+ //default: throw new RuntimeException("unknown!");
+ default: return TMUX_W;
+ }
+ }
+
+ public void t(int code) {
+ int result = 0;
+ switch(code) {
+ case TMUX_Z: result = 0x20; break; // TOTALLYBOGUS throw new Error("not implemented, but should be possible");
+ case TMUX_W_AND_Z: result = 0x24; break;
+ case TMUX_FB: result = 0x34; break; /* I think this is actually W_AND_FB, sadly */
+ case TMUX_W_AND_FB: result = 0x14; break;
+ case TMUX_W: result = 0x00; break;
+ //default: throw new RuntimeException("unknown code! " + code);
+ default: result = 0x00; break;
+ }
+ dev.mode4(1, row, col, result, 0x34);
+ }
+ /*
+ private void fmux(int source) {
+ switch(source) {
+ case ZMUX:
+ case FB:
+ case ALWAYS_ON:
+ default: throw new Error("unknown argument to fmux()");
+ }
+ }
+
+ public boolean win_easable() {
+ }
+ */
+
+ public int ti() {
+ return dev.mode4(1, row, col) & 0x34;
+ }
+
+ public void t(boolean ignore_z_and_fb, boolean zm_drives_fb, boolean fb_drives_wm) {
// still not totally satisfied...
- // how to we distinguish between z&w vs z or w&fb vs fb?
+ // need to find the bit that sets the w-mux off
// what does it mean for both bits (0x30) to be set to 1?
- if (fb && z) throw new RuntimeException("invalid combination");
+ //if (fb && z) throw new RuntimeException("invalid combination");
int result = 0;
- if (z) result |= 0x20;
- if (fb) result |= 0x10;
- dev.mode4(1, row, col, result, 0x30);
+ // ZM->FB = 0x04
+ // FB->WM = 0x10
+ // WZ->WM = 0x20
+
+ // tff => w&z [0x20]
+ // fff => w [0x00]
+ // ttt => fb&w [0x34]
+ // ftt => fb&w [0x14]
+ // fft => fb&w [0x10]
+
+ // ttf => w&z [0x24]
+ // ftf => w [0x04]
+ // tft => fb&w [0x30]
+ if (ignore_z_and_fb) result |= 0x20;
+ if (zm_drives_fb) result |= 0x04;
+ if (fb_drives_wm) result |= 0x10;
+ dev.mode4(1, row, col, result, 0x34);
}
+
public void c(int source) {
switch(source) {
case XLUT: dev.mode4(1, row, col, 0x00, 0xc0); break;
default: throw new RuntimeException("Invalid Argument");
}
}
-
+ public int c() {
+ int cval = dev.mode4(1, row, col) & 0xc0;
+ switch (cval) {
+ case 0x00: return XLUT;
+ case 0x40: return YLUT;
+ case 0x80: return ZMUX;
+ }
+ throw new Error("c() => " + cval);
+ }
public void b(boolean registered) { dev.mode4(1, row, col, 3, !registered); }
public void f(boolean registered) { dev.mode4(1, row, col, 2, !registered); }
+ public boolean xo() { return (dev.mode4(1, row, col) & 0x01) != 0; }
+ public boolean yo() { return (dev.mode4(1, row, col) & 0x02) != 0; }
+ public void xo(boolean center) { dev.mode4(1, row, col, 0, center); }
+ public void yo(boolean center) { dev.mode4(1, row, col, 1, center); }
+ public boolean b() { return (dev.mode4(1, row, col) & (1 << 3)) == 0; }
+ public boolean f() { return (dev.mode4(1, row, col) & (1 << 2)) == 0; }
+ public boolean x() { return (dev.mode4(1, row, col) & (1 << 1)) != 0; }
+ public boolean y() { return (dev.mode4(1, row, col) & (1 << 0)) != 0; }
- public void xo(boolean center) { dev.mode4(1, row, col, 1, center); }
- public void yo(boolean center) { dev.mode4(1, row, col, 0, center); }
-
+ public int oe() {
+ switch (dev.mode4(0x02, row, col) & 0x3) {
+ case 0: return NONE;
+ case 1: return H4;
+ case 2: return V4;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
public void oe(int source) {
switch(source) {
case NONE: dev.mode4(0x02, row, col, 0, 0x3); break;
}
}
- public void xin(int source) {
+ public int xi() {
+ // FIXME: can be multiple
+ if ((dev.mode4(0x03, row, col) & (1<<4))!=0) return L4;
+ switch(dev.mode4(0x05, row, col) & 0xff) {
+ case 0x80: return SW;
+ case (1<<6): return NE;
+ case (1<<5): return SE;
+ case (1<<4): return NW;
+ case (1<<3): return L0;
+ case (1<<2): return L1;
+ case (1<<1): return L2;
+ case (1<<0): return L3;
+ case 0: return NONE;
+ default: throw new Error();
+ }
+ }
+
+ public void xi(int source) {
switch(source) {
case SW: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<7); break;
case NE: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<6); break;
case SE: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<5); break;
case NW: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<4); break;
case L4: dev.mode4(0x03, row, col, 4, true); dev.mode4(0x05, row, col, 0); break;
- case L3: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<3); break;
- case L2: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<2); break;
- case L1: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<1); break;
- case L0: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<0); break;
+ case L3: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<0); break;
+ case L2: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<1); break;
+ case L1: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<2); break;
+ case L0: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<3); break;
+ case NONE: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 0); break;
default: throw new RuntimeException("invalid argument");
}
}
- // FIXME: cancel out the others
- public void yin(int source) {
+ public int yi() {
+ if ((dev.mode4(0x02, row, col) & (1<<6))!=0) return L4;
+ switch(dev.mode4(0x04, row, col) & 0xff) {
+ case 0x80: return NORTH;
+ case (1<<5): return SOUTH;
+ case (1<<6): return WEST;
+ case (1<<4): return EAST;
+ case (1<<3): return L0;
+ case (1<<2): return L1;
+ case (1<<1): return L2;
+ case (1<<0): return L3;
+ case 0: return NONE;
+ default: throw new Error();
+ }
+ }
+
+ public void yi(int source) {
switch(source) {
case NORTH: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<7); break;
- case SOUTH: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<6); break;
- case WEST: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<5); break;
+ case SOUTH: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<5); break;
+ case WEST: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<6); break;
case EAST: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<4); break;
case L4: dev.mode4(0x02, row, col, 6, true); dev.mode4(0x04, row, col, 0); break;
- case L3: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<3); break;
- case L2: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<2); break;
- case L1: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<1); break;
- case L0: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<0); break;
+ case L3: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<0); break;
+ case L2: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<1); break;
+ case L1: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<2); break;
+ case L0: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<3); break;
+ case NONE: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 0); break;
default: throw new RuntimeException("invalid argument");
}
}
- public void win(int source) {
+ public void wi(int source) {
switch(source) {
case L4: dev.mode4(0x03, row, col, 1<<5, 0xEC); break;
case L3: dev.mode4(0x03, row, col, 1<<6, 0xEC); break;
case L2: dev.mode4(0x03, row, col, 1<<7, 0xEC); break;
case L1: dev.mode4(0x03, row, col, 1<<3, 0xEC); break;
case L0: dev.mode4(0x03, row, col, 1<<2, 0xEC); break;
+ case NONE: dev.mode4(0x03, row, col, 0, 0xEC); break;
default: throw new RuntimeException("invalid argument");
}
}
- public void zin(int source) {
+ public int wi() {
+ int who = dev.mode4(0x03, row, col) & 0xEC;
+ switch(who) {
+ case (1<<5): return L4;
+ case (1<<6): return L3;
+ case (1<<7): return L2;
+ case (1<<3): return L1;
+ case (1<<2): return L0;
+ case (1<<0): return NONE; /* huh? */
+ case (0): return NONE;
+ default: throw new RuntimeException("invalid argument: " + who);
+ }
+ }
+
+
+ public void zi(int source) {
switch(source) {
case L4: dev.mode4(0x02, row, col, 1<<7, 0xDB); break;
case L3: dev.mode4(0x02, row, col, 1<<5, 0xDB); break;
case L2: dev.mode4(0x02, row, col, 1<<4, 0xDB); break;
case L1: dev.mode4(0x02, row, col, 1<<3, 0xDB); break;
case L0: dev.mode4(0x02, row, col, 1<<2, 0xDB); break;
+ case NONE: dev.mode4(0x02, row, col, 0, 0xDB); break;
default: throw new RuntimeException("invalid argument");
}
}
+ public int zi() {
+ switch(dev.mode4(0x02, row, col) & 0xDB) {
+ case (1<<7): return L4;
+ case (1<<5): return L3;
+ case (1<<4): return L2;
+ case (1<<3): return L1;
+ case (1<<2): return L0;
+ case (1<<1): return NONE; /* huh? */
+ case (1<<0): return NONE; /* huh? */
+ case 0: return NONE;
+ default: throw new RuntimeException("invalid argument: zi=="+(dev.mode4(0x02, row, col) & 0xDB));
+ }
+ }
+
+
+ // Relevance //////////////////////////////////////////////////////////////////////////////
+
+ public boolean xo_relevant() { return xo_relevant(NE) || xo_relevant(SE) || xo_relevant(NW) || xo_relevant(SW); }
+ public boolean xo_relevant(int direction) {
+ switch(direction) {
+ case NE: return ne() != null && ne().xi()==SW /*&& ne().xi_relevant()*/;
+ case NW: return nw() != null && nw().xi()==SE /*&& nw().xi_relevant()*/;
+ case SE: return se() != null && se().xi()==NW /*&& se().xi_relevant()*/;
+ case SW: return sw() != null && sw().xi()==NE /*&& sw().xi_relevant()*/;
+ default: return false;
+ }
+ }
+ public boolean yo_relevant() { return yo_relevant(NORTH) || yo_relevant(SOUTH) || yo_relevant(EAST) || yo_relevant(WEST); }
+ public boolean yo_relevant(int direction) {
+ switch(direction) {
+ case NORTH: return north() != null && north().yi()==SOUTH /*&& north().yi_relevant()*/;
+ case EAST: return east() != null && east().yi()==WEST /*&& east().yi_relevant()*/;
+ case SOUTH: return south() != null && south().yi()==NORTH /*&& south().yi_relevant()*/;
+ case WEST: return west() != null && west().yi()==EAST /*&& west().yi_relevant()*/;
+ default: return false;
+ }
+ }
+ public boolean xi_relevant() { return xi_to_xlut_relevant() || xi_to_ylut_relevant(); }
+ public boolean yi_relevant() { return yi_to_xlut_relevant() || yi_to_ylut_relevant(); }
+ public boolean xi_to_ylut_relevant() { return (((ylut() & 0xcc) >> 2) != (ylut() & 0x33)); }
+ public boolean yi_to_xlut_relevant() { return (((xlut() & 0xcc) >> 2) != (xlut() & 0x33)); }
+ public boolean zi_to_xlut_relevant() { return (((xlut() & LUT_Z) >> 4) != (xlut() & LUT_Z)); }
+ public boolean zi_to_ylut_relevant() { return (((ylut() & LUT_Z) >> 4) != (ylut() & LUT_Z)); }
+ public boolean xi_to_xlut_relevant() { return (((xlut() & LUT_SELF) >> 1) != (xlut() & (LUT_SELF >> 1))); }
+ public boolean yi_to_ylut_relevant() { return (((ylut() & LUT_SELF) >> 1) != (ylut() & (LUT_SELF >> 1))); }
+ public boolean xlut_relevant() {
+ if ((c()==XLUT || c()==ZMUX) && c_relevant()) return true;
+ if (xo()) return false;
+ return xo_relevant();
+ }
+ public boolean ylut_relevant() {
+ if ((c()==YLUT || c()==ZMUX) && c_relevant()) return true;
+ if (yo()) return false;
+ return yo_relevant();
+ }
+ public boolean c_relevant() {
+ switch(ti()) {
+ case 0x34: return true;
+ case 0x14: return true;
+ case 0x10: return true;
+ case 0x30: return true;
+ }
+ for(int i=0; i<5; i++)
+ if (out(i))
+ return true;
+ if (xo() || yo()) return true;
+ return false;
+ }
+
+ public boolean register_relevant() {
+ if (!c_relevant()) return false;
+ if (f() && out_relevant()) return true;
+ if (f() && fb_relevant()) return true;
+ if (b() && xo()) return true;
+ if (b() && yo()) return true;
+ return false;
+ }
+ public boolean out_relevant() {
+ boolean out = false;
+ boolean connect = false;
+ for(int i=0; i<4; i++) {
+ if (out(L0+i)) out = true;
+ if (hx(L0+i)) connect = true;
+ if (vx(L0+i)) connect = true;
+ }
+ return out && connect;
+ }
+ public boolean fb_relevant() {
+ if (!(zi_to_xlut_relevant()) ||
+ !(zi_to_ylut_relevant())) return false;
+ switch(ti()) {
+ case 0x34: return true;
+ case 0x14: return true;
+ case 0x10: return true;
+ case 0x30: return true;
+ }
+ return false;
+ }
+
+
}
- public IOB iob_top(int col, boolean primary) { return new IOB(col, 0, primary); }
- public IOB iob_bot(int col, boolean primary) { return new IOB(col, 1, primary); }
- public IOB iob_left(int row, boolean primary) { return new IOB(1, row, primary); }
- public IOB iob_right(int row, boolean primary) { return new IOB(2, row, primary); }
+ public IOB iob_bot(int col, boolean primary) { return new IOB(col, 0, primary, true); }
+ public IOB iob_top(int col, boolean primary) { return new IOB(col, 1, primary, true); }
+ public IOB iob_left(int row, boolean primary) { return new IOB(0, row, primary, false); }
+ public IOB iob_right(int row, boolean primary) { return new IOB(1, row, primary, false); }
/*
public IOB fromPin(int pin) {
if (pin >= 4 && pin <= 11) return io(pin-3);
public final int col;
public final int row;
public final boolean primary;
- public IOB(int col, int row, boolean primary) { this.col = col; this.row = row; this.primary = primary; }
+ public final boolean northsouth;
+ public IOB(int col, int row, boolean primary, boolean northsouth) {
+ this.col = col;
+ this.row = row;
+ this.northsouth = northsouth;
+ this.primary = primary;
+ }
+ /*
+ public String dump() {
+ System.out.println("[ "+
+ (schmitt()?"schmitt ":"")+
+ (slew()==3?"fast ":slew()==2?"med ":slew()==1?"slow ":"slew-unknown ")+
+ (cr()?"cr ":"")+
+ (reg()?"reg ":"")+
+
+ }
+ */
+ public void enableOutput(int direction) {
+ useoem(true);
+ output(direction);
+ pullnone();
+ useoem(true);
+ oem(ALWAYS_ON);
+ oe(true);
+ // note: east-side IOBs should have slew=med, others slew=fast
+ slew((!northsouth && col==1) ? MEDIUM : FAST);
+ }
+ public void enableInput() {
+ schmitt(true);
+ pullnone();
+ }
+
+ public void useoem(boolean use) { dev.mode4(z(3), row, col, 6, use); }
+ public boolean useoem() { return (dev.mode4(z(3), row, col) & (1<<6))!=0; }
+ public void schmitt(boolean use) { dev.mode4(z(0), row, col, 7, use); }
+ public boolean schmitt() { return (dev.mode4(z(0), row, col) & (1<<7))!=0; }
- private int z(int code) { return 0x60 | (primary ? 0x08 : 0x10) | code; }
- public void pullup() { dev.mode4(z(0), row, col, (dev.mode4(z(0), row, col) & (~0x6)) | 0x00); }
- public void pulldown() { dev.mode4(z(0), row, col, (dev.mode4(z(0), row, col) & (~0x6)) | 0x03); }
- public void pullnone() { dev.mode4(z(0), row, col, (dev.mode4(z(0), row, col) & (~0x6)) | 0x01); }
+ public void slew(int slew) {
+ switch(slew) {
+ case FAST: dev.mode4(z(0), row, col, 3<<5, 0x60); return;
+ case MEDIUM: dev.mode4(z(0), row, col, 2<<5, 0x60); return;
+ case SLOW: dev.mode4(z(0), row, col, 1<<5, 0x60); return;
+ default: throw new Error();
+ }
+ }
+
+ public void oem(int source) {
+ switch(source) {
+ case ALWAYS_ON: dev.mode4(z(3), row, col, 1<<5, 0x3f); return;
+ case ALWAYS_OFF: dev.mode4(z(3), row, col, 0, 0x3f); return;
+ default: throw new Error();
+ }
+ }
+
+ private int z(int code) { return (northsouth ? 0x70 : 0x60) | (primary ? 0x00 : 0x04) | (code & 0x7); }
+ public void pullup() { dev.mode4(z(0), row, col, 0x00<<1, 0x06); }
+ public void pulldown() { dev.mode4(z(0), row, col, 0x03<<1, 0x06); }
+ public void pullnone() { dev.mode4(z(0), row, col, 0x01<<1, 0x06); }
public void oe(boolean oe) {
int old = dev.mode4(z(1), row, col) & (~(1<<5));
old |= oe ? 0 : (1<<5);
dev.mode4(z(1), row, col, old & 0xff);
}
+
public void output(int which) {
- if (which < 0 || which > 6) throw new RuntimeException("oem(x) only valid for 0<=x<=5");
- int d = dev.mode4(z(1), row, col) & 0x80;
- if (which>0) { d |= 1 << (which==6 ? 6 : which==0 ? 5 : (which-1)); }
- Log.warn("z", Integer.toString(z(1),16));
- Log.warn("y", Integer.toString(row,16));
- Log.warn("x", Integer.toString(col,16));
- Log.warn("d", Integer.toString(d,16));
- dev.mode4(z(1), row, col, d);
+ switch(which) {
+ case NONE:
+ dev.mode4(z(1), row, col, 0, 0x1f); return;
+ case WEST: case EAST: case NORTH: case SOUTH:
+ dev.mode4(z(1), row, col, 1<<0, 0x1f); return;
+ case NW: case SW: case NE: case SE:
+ dev.mode4(z(1), row, col, 1<<1, 0x1f); return;
+ default: throw new Error();
+ }
+ }
+
+ }
+
+ public static void main(String[] s) throws Exception {
+ System.out.println(printLut(0x39, "se", "n", "L0"));
+ }
+ public static synchronized String printLut(int lut, String xn, String yn, String zn) {
+ try {
+ File f = File.createTempFile("mvsis", ".mvs");
+ f.deleteOnExit();
+
+ FileOutputStream fos = new FileOutputStream(f);
+ PrintWriter pw = new PrintWriter(new OutputStreamWriter(fos));
+ pw.println(".model clb");
+ pw.println(".inputs "+xn+" "+yn+" "+zn);
+ pw.println(".outputs O");
+ pw.println(".table "+xn+" "+yn+" "+zn+/*("X_xor_Y X_xor_Z Y_xor_Z")+*/ " -> O");
+ for(int i=8; i>=0; i--) {
+ int x = ((i & 0x01)!=0 ? 1 : 0);
+ int y = ((i & 0x02)!=0 ? 1 : 0);
+ int z = ((i & 0x04)!=0 ? 1 : 0);
+ pw.print(" "+x+" ");
+ pw.print(" "+y+" ");
+ pw.print(" "+z+" ");
+ //pw.print(" "+(x ^ y)+" ");
+ //pw.print(" "+(y ^ z)+" ");
+ //pw.print(" "+(z ^ y)+" ");
+ pw.print((lut & (1<<i))==0 ? 0 : 1);
+ pw.println();
+ }
+ pw.println(".end");
+ pw.flush();
+ pw.close();
+ Process p = Runtime.getRuntime().exec(new String[] { "mvsis", "-c", "simplify;print_factor", f.getAbsolutePath() });
+ new Gobble("mvsis: ", p.getErrorStream()).start();
+ //new Gobble("mvsis: ", p.getInputStream()).start();
+ BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
+ String ret = br.readLine();
+ //f.delete();
+ return ret.trim();
+ } catch (Exception e) {
+ e.printStackTrace();
+ return "*mvsis_error*";
}
-
}
+ public static class Gobble extends Thread {
+ private final String header;
+ private final BufferedReader br;
+ public Gobble(String header, BufferedReader br) { this.br = br; this.header = header; }
+ public Gobble(String header, Reader r) { this(header, new BufferedReader(r)); }
+ public Gobble(String header, InputStream is) { this(header, new InputStreamReader(is)); }
+ public void run() {
+ try {
+ for(String s = br.readLine(); s!=null; s=br.readLine())
+ System.err.println(header + s);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ }
}
projects / slipway.git / blobdiff