+++ /dev/null
-package edu.berkeley.cs.obits;
-import java.util.*;
-import java.io.*;
-import org.ibex.util.*;
-
-public class Atmel {
-
- public static String pad(int len, String s) { if (s.length() >= len) return s.toUpperCase(); return "0"+pad(len-1,s); }
- public static String hex32(int i) { return pad(8, Long.toString(i & 0xffffffffffffffffL, 16)); }
- public static String hex24(int i) { return pad(6, Integer.toString((i & 0xffffff), 16)); }
- public static String hex8(int i) { return pad(2, Integer.toString((i & 0xff), 16)); }
- public static String bin8(int i) { return pad(8, Integer.toString((i & 0xff), 2)); }
- public static String dec2(int i) { return pad(2, Integer.toString(i & 0xff)); }
-
- public static void main(String[] s) throws Exception {
- Log.level = Log.DEBUG;
- new Bits().read(System.in);
- }
-
- private static class Bits {
- private byte[] bits = new byte[0];
- //public int get(int whichByte, int whichBit, int len) { }
- //public void set(int whichByte, int whichBit, int len, int val) { }
-
- private int control = 0;
- public int control() { return control; }
- public void control(int control) { this.control = control; }
-
- public void read2(InputStream bitstream) throws IOException {
- DataInputStream dis = new DataInputStream(new Encode.Ascii.In(16, bitstream));
- try {
- while(true) {
- dis.readUnsignedByte();
- dis.readUnsignedByte();
- dis.readUnsignedByte();
- int i = dis.readUnsignedByte();
- System.out.println(bin8(i));
- }
- } catch (EOFException e) {
- }
- }
- public void read(InputStream bitstream) throws IOException {
- DataInputStream dis = new DataInputStream(new Encode.Ascii.In(2, bitstream));
- int b = dis.readUnsignedByte();
- if (b != 0x00) throw new Error("bitstream did not start with zero-byte; got " + b);
- Log.debug(this, "saw leading zero-byte");
- b = dis.readUnsignedByte();
- if (b != 0xB7) throw new Error("bitstream did not start with preamble byte B7; got " + b);
- Log.debug(this, "saw preamble byte");
- control(dis.readInt());
- Log.debug(this, "set control register to " + hex32(control()));
- int numWindows = dis.readShort();
- Log.debug(this, "this bitstream has " + numWindows + " window(s)");
- int count = 0;
- for(int i=0; i<numWindows; i++) {
- int start = (dis.readUnsignedByte() << 16) | (int)dis.readShort();
- int end = (dis.readUnsignedByte() << 16) | (int)dis.readShort();
- count = 0;
- Log.debug(this, " window " + dec2(i) + " spans addresses " + hex24(start) + " - " + hex24(end) + "[count="+count+"]");
- int _z = (start & 0x0000ff) >> 0;
- int _y = (start & 0x00ff00) >> 8;
- int _x = (start & 0xff0000) >> 16;
- int z_ = (end & 0x0000ff) >> 0;
- int y_ = (end & 0x00ff00) >> 8;
- int x_ = (end & 0xff0000) >> 16;
- int z = (start & 0x0000ff) >> 0;
- int y = (start & 0x00ff00) >> 8;
- int x = (start & 0xff0000) >> 16;
-
- while(true) {
- count++;
- mode4(x, y, z, dis.readUnsignedByte());
- x++;
- if (x > 15) { x = 0; y++; }
- if (y > 15) { y = 0; z++; }
- do {
- z++;
- if (z > 77) {
- z = _z;
- x++;
- if (x > 15) {
- x = _x;
- y++;
- if (y > y_) break;
- }
- }
- } while(!valid(x,y,z));
- }
- //Log.debug(this, " read " + count + " bytes (" + hex24(count)+")");
- }
- /*
- Log.debug(this, "done " + count);
- b = dis.readUnsignedByte();
- if (b != 0xB7) throw new Error("bitstream did not start with preamble byte B7; got " + bin8(b));
- Log.debug(this, "done2");
- */
- }
-
- public boolean valid(int x, int y, int z) {
- switch(z) {
- case 0x00: case 0x01: break;
- }
- if (x > 15) return false;
- if (y > 15) return false;
- return true;
- }
-
- public void mode4(int x, int y, int z, int d) {
- //Log.debug(this, " ("+dec2(x)+","+dec2(y)+"):"+hex8(z)+" = "+bin8(d));
- //System.out.println(hex8(z)+hex8(y)+hex8(x)+hex8(d));
- }
- }
-}
- /*
- public static class At40k extends FPGA {
-
-
- public At40k(int width, int height) { this.width = width; this.height = height; }
-
- public static class At40k10 extends At40k { public At40k10() { super(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) {
- 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 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;
- }
- }
-
- public class Sector {
- Cell[][] = new Cell[4][4];
- Ram ram = new Ram();
-
- Buf[] west = new Buf[4];
- Buf[] east = new Buf[4];
- Buf[] north = new Buf[4];
- Buf[] south = new Buf[4];
- Pip pass = new Pip[4][4][5][2];
- }
-
-
- public class Cell {
-
- public final Port[] h = new Port[5] { port(), port(), port(), port(), port() };
- public final Port[] v = new Port[5] { port(), port(), port(), port(), port() };
- public final Port[] s = new Port[5] { port(), port(), port(), port(), port() };
- public final Port nw, sw, se, ne;
- public final Port n, s, w, e;
- public final Port xout, yout;
-
- public final Pip zin = pip( s[0], s[1], s[2], s[3], s[4]);
- public final Pip win = pip( s[0], s[1], s[2], s[3], s[4]);
- public final Pip xin = pip(nw, ne, sw, se, s[0], s[1], s[2], s[3], s[4]);
- public final Pip yin = pip(n, s, e, w, s[0], s[1], s[2], s[3], s[4]);
-
- public final Pip wpip = pip(win, zin, and(win, zin), fb);
- public final Pip zpip = pip(zin, one, zero);
-
- public final Lut xlut = lut(xpip, wmux, ypip);
- public final Lut ylut = lut(xpip, wmux, ypip);
- public final Mux zmux = mux(xlut, ylut, zpip);
- public final Reg reg = reg(zmux);
- public final Pip center = pip(reg, zmux);
-
- public final Pip fb = pip(zmux, reg);
-
- public final Pip center = pip(zmux, reg);
- public final Pip xout = pip(xlut, center);
- public final Pip yout = pip(ylut, center);
-
- public final Pip oe = pip(one, h[4], v[4]);
- public final Buf out = buf(fb, oe);
-
- public final Pip[] o = pip5(out, s);
- public final Pip[] h = pip5(h, s);
- public final Pip[] v = pip5(v, s);
- }
-
-
- }
-
-
- public class At94k extends At40k {
- }
- */
-
projects / eltron.git / blobdiff