derive LFSR ML polynomials with mlpolygen

Author: sameer

src/xorshift.sv

@@ -43,18 +43,21 @@ generate
         assign polynomial = POLYNOMIAL;
     else
         case (WIDTH)
-// Special thanks to Philip Koopman for these maximal length LFSR feedback polynomials
-// for i in {4..64}; do echo -n $i': assign polynomial = '$i"'"'h'; curl 'http://users.ece.cmu.edu/~koopman/lfsr/'$i'.txt' 2>/dev/null | head -n 1 | tr -d '\n'; echo ';'; done
+// Derived with mlpolygen:
+// for i in {1..256}; do echo -n $i': assign polynomial = '$i"'h"; ./mlpolygen -n1 $i 2>/dev/null; done
+1: assign polynomial = 1'h1;
+2: assign polynomial = 2'h3;
+3: assign polynomial = 3'h5;
 4: assign polynomial = 4'h9;
 5: assign polynomial = 5'h12;
 6: assign polynomial = 6'h21;
 7: assign polynomial = 7'h41;
-8: assign polynomial = 8'h8E;
+8: assign polynomial = 8'h8e;
 9: assign polynomial = 9'h108;
 10: assign polynomial = 10'h204;
 11: assign polynomial = 11'h402;
 12: assign polynomial = 12'h829;
-13: assign polynomial = 13'h100D;
+13: assign polynomial = 13'h100d;
 14: assign polynomial = 14'h2015;
 15: assign polynomial = 15'h4001;
 16: assign polynomial = 16'h8016;
@@ -65,7 +68,7 @@ generate
 21: assign polynomial = 21'h100002;
 22: assign polynomial = 22'h200001;
 23: assign polynomial = 23'h400010;
-24: assign polynomial = 24'h80000D;
+24: assign polynomial = 24'h80000d;
 25: assign polynomial = 25'h1000004;
 26: assign polynomial = 26'h2000023;
 27: assign polynomial = 27'h4000013;
@@ -77,35 +80,53 @@ generate
 33: assign polynomial = 33'h100000029;
 34: assign polynomial = 34'h200000073;
 35: assign polynomial = 35'h400000002;
-36: assign polynomial = 36'h80000003B;
-37: assign polynomial = 37'h100000001F;
+36: assign polynomial = 36'h80000003b;
+37: assign polynomial = 37'h100000001f;
 38: assign polynomial = 38'h2000000031;
 39: assign polynomial = 39'h4000000008;
-40: assign polynomial = 40'h800000001C;
+40: assign polynomial = 40'h800000001c;
 41: assign polynomial = 41'h10000000004;
-42: assign polynomial = 42'h2000000001F;
-43: assign polynomial = 43'h4000000002C;
+42: assign polynomial = 42'h2000000001f;
+43: assign polynomial = 43'h4000000002c;
 44: assign polynomial = 44'h80000000032;
-45: assign polynomial = 45'h10000000000D;
+45: assign polynomial = 45'h10000000000d;
 46: assign polynomial = 46'h200000000097;
 47: assign polynomial = 47'h400000000010;
-48: assign polynomial = 48'h80000000005B;
+48: assign polynomial = 48'h80000000005b;
 49: assign polynomial = 49'h1000000000038;
-50: assign polynomial = 50'h200000000000E;
+50: assign polynomial = 50'h200000000000e;
 51: assign polynomial = 51'h4000000000025;
 52: assign polynomial = 52'h8000000000004;
 53: assign polynomial = 53'h10000000000023;
-54: assign polynomial = 54'h2000000000003E;
+54: assign polynomial = 54'h2000000000003e;
 55: assign polynomial = 55'h40000000000023;
-56: assign polynomial = 56'h8000000000004A;
+56: assign polynomial = 56'h8000000000004a;
 57: assign polynomial = 57'h100000000000016;
 58: assign polynomial = 58'h200000000000031;
-59: assign polynomial = 59'h40000000000003D;
+59: assign polynomial = 59'h40000000000003d;
 60: assign polynomial = 60'h800000000000001;
 61: assign polynomial = 61'h1000000000000013;
 62: assign polynomial = 62'h2000000000000034;
 63: assign polynomial = 63'h4000000000000001;
-64: assign polynomial = 64'h800000000000000D;
+64: assign polynomial = 64'h800000000000000d;
+65: assign polynomial = 65'h1000000000000000d;
+66: assign polynomial = 66'h200000000000000b6;
+67: assign polynomial = 67'h40000000000000013;
+68: assign polynomial = 68'h80000000000000051;
+69: assign polynomial = 69'h100000000000000032;
+70: assign polynomial = 70'h200000000000000015;
+71: assign polynomial = 71'h400000000000000015;
+72: assign polynomial = 72'h80000000000000002f;
+73: assign polynomial = 73'h100000000000000000e;
+74: assign polynomial = 74'h200000000000000004c;
+75: assign polynomial = 75'h4000000000000000025;
+76: assign polynomial = 76'h800000000000000001a;
+77: assign polynomial = 77'h10000000000000000032;
+78: assign polynomial = 78'h20000000000000000043;
+79: assign polynomial = 79'h4000000000000000000e;
+80: assign polynomial = 80'h80000000000000000057;
+81: assign polynomial = 81'h100000000000000000008;
+82: assign polynomial = 82'h2000000000000000000e9;
         endcase
 endgenerate