wcetinstruction.java

Java Op Processor java vhdl processor

		// DADD = 99
		case org.apache.bcel.Constants.DADD:
			wcet = -1;
			break;
		// ISUB = 100
		case org.apache.bcel.Constants.ISUB:
			wcet = 1;
			break;
		// LSUB = 101
		case org.apache.bcel.Constants.LSUB:
			wcet = -1;
			break;
		// FSUB = 102
		case org.apache.bcel.Constants.FSUB:
			wcet = -1;
			break;
		// DSUB = 103
		case org.apache.bcel.Constants.DSUB:
			wcet = -1;
			break;
		// IMUL = 104
		case org.apache.bcel.Constants.IMUL:
			wcet = 35;
			break;
		// LMUL = 105
		case org.apache.bcel.Constants.LMUL:
			wcet = -1;
			break;
		// FMUL = 106
		case org.apache.bcel.Constants.FMUL:
			wcet = -1;
			break;
		// DMUL = 107
		case org.apache.bcel.Constants.DMUL:
			wcet = -1;
			break;
		// IDIV = 108
		case org.apache.bcel.Constants.IDIV:
			wcet = -1;
			break;
		// LDIV = 109
		case org.apache.bcel.Constants.LDIV:
			wcet = -1;
			break;
		// FDIV = 110
		case org.apache.bcel.Constants.FDIV:
			wcet = -1;
			break;
		// DDIV = 111
		case org.apache.bcel.Constants.DDIV:
			wcet = -1;
			break;
		// IREM = 112
		case org.apache.bcel.Constants.IREM:
			wcet = -1;
			break;
		// LREM = 113
		case org.apache.bcel.Constants.LREM:
			wcet = -1;
			break;
		// FREM = 114
		case org.apache.bcel.Constants.FREM:
			wcet = -1;
			break;
		// DREM = 115
		case org.apache.bcel.Constants.DREM:
			wcet = -1;
			break;
		// INEG = 116
		case org.apache.bcel.Constants.INEG:
			wcet = 4;
			break;
		// LNEG = 117
		case org.apache.bcel.Constants.LNEG:
			wcet = -1;
			break;
		// FNEG = 118
		case org.apache.bcel.Constants.FNEG:
			wcet = -1;
			break;
		// DNEG = 119
		case org.apache.bcel.Constants.DNEG:
			wcet = -1;
			break;
		// ISHL = 120
		case org.apache.bcel.Constants.ISHL:
			wcet = 1;
			break;
		// LSHL = 121
		case org.apache.bcel.Constants.LSHL:
			wcet = -1;
			break;
		// ISHR = 122
		case org.apache.bcel.Constants.ISHR:
			wcet = 1;
			break;
		// LSHR = 123
		case org.apache.bcel.Constants.LSHR:
			wcet = -1;
			break;
		// IUSHR = 124
		case org.apache.bcel.Constants.IUSHR:
			wcet = 1;
			break;
		// LUSHR = 125
		case org.apache.bcel.Constants.LUSHR:
			wcet = -1;
			break;
		// IAND = 126
		case org.apache.bcel.Constants.IAND:
			wcet = 1;
			break;
		// LAND = 127
		case org.apache.bcel.Constants.LAND:
			wcet = -1;
			break;
		// IOR = 128
		case org.apache.bcel.Constants.IOR:
			wcet = 1;
			break;
		// LOR = 129
		case org.apache.bcel.Constants.LOR:
			wcet = -1;
			break;
		// IXOR = 130
		case org.apache.bcel.Constants.IXOR:
			wcet = 1;
			break;
		// LXOR = 131
		case org.apache.bcel.Constants.LXOR:
			wcet = -1;
			break;
		// IINC = 132
		case org.apache.bcel.Constants.IINC:
			wcet = 8;
			break;
		// I2L = 133
		case org.apache.bcel.Constants.I2L:
			wcet = -1;
			break;
		// I2F = 134
		case org.apache.bcel.Constants.I2F:
			wcet = -1;
			break;
		// I2D = 135
		case org.apache.bcel.Constants.I2D:
			wcet = -1;
			break;
		// L2I = 136
		case org.apache.bcel.Constants.L2I:
			wcet = 3;
			break;
		// L2F = 137
		case org.apache.bcel.Constants.L2F:
			wcet = -1;
			break;
		// L2D = 138
		case org.apache.bcel.Constants.L2D:
			wcet = -1;
			break;
		// F2I = 139
		case org.apache.bcel.Constants.F2I:
			wcet = -1;
			break;
		// F2L = 140
		case org.apache.bcel.Constants.F2L:
			wcet = -1;
			break;
		// F2D = 141
		case org.apache.bcel.Constants.F2D:
			wcet = -1;
			break;
		// D2I = 142
		case org.apache.bcel.Constants.D2I:
			wcet = -1;
			break;
		// D2L = 143
		case org.apache.bcel.Constants.D2L:
			wcet = -1;
			break;
		// D2F = 144
		case org.apache.bcel.Constants.D2F:
			wcet = -1;
			break;
		// I2B = 145
		case org.apache.bcel.Constants.I2B:
			wcet = -1;
			break;
		// INT2BYTE = 145 // Old notion
		// case org.apache.bcel.Constants.INT2BYTE : wcet = -1; break;
		// I2C = 146
		case org.apache.bcel.Constants.I2C:
			wcet = 2;
			break;
		// INT2CHAR = 146 // Old notion
		// case org.apache.bcel.Constants.INT2CHAR : wcet = -1; break;
		// I2S = 147
		case org.apache.bcel.Constants.I2S:
			wcet = -1;
			break;
		// INT2SHORT = 147 // Old notion
		// case org.apache.bcel.Constants.INT2SHORT : wcet = -1; break;
		// LCMP = 148
		case org.apache.bcel.Constants.LCMP:
			wcet = -1;
			break;
		// FCMPL = 149
		case org.apache.bcel.Constants.FCMPL:
			wcet = -1;
			break;
		// FCMPG = 150
		case org.apache.bcel.Constants.FCMPG:
			wcet = -1;
			break;
		// DCMPL = 151
		case org.apache.bcel.Constants.DCMPL:
			wcet = -1;
			break;
		// DCMPG = 152
		case org.apache.bcel.Constants.DCMPG:
			wcet = -1;
			break;
		// IFEQ = 153
		case org.apache.bcel.Constants.IFEQ:
			wcet = 4;
			break;
		// IFNE = 154
		case org.apache.bcel.Constants.IFNE:
			wcet = 4;
			break;
		// IFLT = 155
		case org.apache.bcel.Constants.IFLT:
			wcet = 4;
			break;
		// IFGE = 156
		case org.apache.bcel.Constants.IFGE:
			wcet = 4;
			break;
		// IFGT = 157
		case org.apache.bcel.Constants.IFGT:
			wcet = 4;
			break;
		// IFLE = 158
		case org.apache.bcel.Constants.IFLE:
			wcet = 4;
			break;
		// IF_ICMPEQ = 159
		case org.apache.bcel.Constants.IF_ICMPEQ:
			wcet = 4;
			break;
		// IF_ICMPNE = 160
		case org.apache.bcel.Constants.IF_ICMPNE:
			wcet = 4;
			break;
		// IF_ICMPLT = 161
		case org.apache.bcel.Constants.IF_ICMPLT:
			wcet = 4;
			break;
		// IF_ICMPGE = 162
		case org.apache.bcel.Constants.IF_ICMPGE:
			wcet = 4;
			break;
		// IF_ICMPGT = 163
		case org.apache.bcel.Constants.IF_ICMPGT:
			wcet = 4;
			break;
		// IF_ICMPLE = 164
		case org.apache.bcel.Constants.IF_ICMPLE:
			wcet = 4;
			break;
		// IF_ACMPEQ = 165
		case org.apache.bcel.Constants.IF_ACMPEQ:
			wcet = 4;
			break;
		// IF_ACMPNE = 166
		case org.apache.bcel.Constants.IF_ACMPNE:
			wcet = 4;
			break;
		// GOTO = 167
		case org.apache.bcel.Constants.GOTO:
			wcet = 4;
			break;
		// JSR = 168
		case org.apache.bcel.Constants.JSR:
			wcet = -1;
			break;
		// RET = 169
		case org.apache.bcel.Constants.RET:
			wcet = -1; // TODO: Should this be 1?
			break;
		// TABLESWITCH = 170
		case org.apache.bcel.Constants.TABLESWITCH:
			wcet = -1;
			break;
		// LOOKUPSWITCH = 171
		case org.apache.bcel.Constants.LOOKUPSWITCH:
			wcet = -1;
			break;
		// IRETURN = 172
		case org.apache.bcel.Constants.IRETURN:
			wcet = 23;
			if (r > 3) {
				wcet += r - 3;
			}
			if (b > 10) {
				wcet += b - 10;
			}
			break;
		// LRETURN = 173
		case org.apache.bcel.Constants.LRETURN:
			wcet = 25;
			if (r > 3) {
				wcet += r - 3;
			}
			if (b > 11) {
				wcet += b - 11;
			}
			break;
		// FRETURN = 174
		case org.apache.bcel.Constants.FRETURN:
			wcet = 23;
			if (r > 3) {
				wcet += r - 3;
			}
			if (b > 10) {
				wcet += b - 10;
			}
			break;
		// DRETURN = 175
		case org.apache.bcel.Constants.DRETURN:
			wcet = 25;
			if (r > 3) {
				wcet += r - 3;
			}
			if (b > 11) {
				wcet += b - 11;
			}
			break;
		// ARETURN = 176
		case org.apache.bcel.Constants.ARETURN:
			wcet = 23;
			if (r > 3) {
				wcet += r - 3;
			}
			if (b > 10) {
				wcet += b - 10;
			}
			break;
		// RETURN = 177
		case org.apache.bcel.Constants.RETURN:
			wcet = 21;
			if (r > 3) {
				wcet += r - 3;
			}
			if (b > 9) {
				wcet += b - 9;
			}
			break;
		// GETSTATIC = 178
		case org.apache.bcel.Constants.GETSTATIC:
			wcet = 12 + 2 * r;
			break;
		// PUTSTATIC = 179
		case org.apache.bcel.Constants.PUTSTATIC:
			wcet = 13 + r + w;
			break;
		// GETFIELD = 180
		case org.apache.bcel.Constants.GETFIELD:
			wcet = 17 + 2 * r;
			break;
		// PUTFIELD = 181
		case org.apache.bcel.Constants.PUTFIELD:
			wcet = 20 + r + w;
			break;
		// INVOKEVIRTUAL = 182
		case org.apache.bcel.Constants.INVOKEVIRTUAL:
			wcet = 104 + 3 * r;
			if (r > 3) {
				wcet += r - 3;
			}
			if (r > 2) {
				wcet += r - 2;
			}
			if (b > 37) {
				wcet += b - 37;
			}
			break;
		// INVOKESPECIAL = 183
		case org.apache.bcel.Constants.INVOKESPECIAL:
			wcet = 74 + r;
			if (r > 3) {
				wcet += r - 3;
			}
			if (r > 2) {
				wcet += r - 2;
			}
			if (b > 37) {
				wcet += b - 37;
			}
			break;
		// INVOKENONVIRTUAL = 183
		// case org.apache.bcel.Constants.INVOKENONVIRTUAL : wcet = -1; break;
		// INVOKESTATIC = 184
		case org.apache.bcel.Constants.INVOKESTATIC:
			wcet = 74 + r;
			if (r > 3) {
				wcet += r - 3;
			}
			if (r > 2) {
				wcet += r - 2;
			}
			if (b > 37) {
				wcet += b - 37;
			}
			break;
		// INVOKEINTERFACE = 185
		case org.apache.bcel.Constants.INVOKEINTERFACE:
			wcet = 118 + 5 * r;
			if (r > 3) {
				wcet += r - 3;
			}
			if (r > 2) {
				wcet += r - 2;
			}
			if (b > 37) {
				wcet += b - 37;
			}
			break;
		// NEW = 187
		case org.apache.bcel.Constants.NEW:
			wcet = -1;
			break;
		// NEWARRAY = 188
		case org.apache.bcel.Constants.NEWARRAY:
			wcet = -1;
			break;
		// ANEWARRAY = 189
		case org.apache.bcel.Constants.ANEWARRAY:
			wcet = -1;
			break;
		// ARRAYLENGTH = 190
		case org.apache.bcel.Constants.ARRAYLENGTH:
			wcet = 10 + 2 * r;
			break;
		// ATHROW = 191
		case org.apache.bcel.Constants.ATHROW:
			wcet = -1;
			break;
		// CHECKCAST = 192
		case org.apache.bcel.Constants.CHECKCAST:
			wcet = -1;
			break;
		// INSTANCEOF = 193
		case org.apache.bcel.Constants.INSTANCEOF:
			wcet = -1;
			break;
		// MONITORENTER = 194
		case org.apache.bcel.Constants.MONITORENTER:
			wcet = 11;
			break;
		// MONITOREXIT = 195
		case org.apache.bcel.Constants.MONITOREXIT:
			wcet = 16; // BCET: 10
			break;
		// WIDE = 196
		case org.apache.bcel.Constants.WIDE:
			wcet = -1;
			break;
		// MULTIANEWARRAY = 197
		case org.apache.bcel.Constants.MULTIANEWARRAY:
			wcet = -1;
			break;
		// IFNULL = 198
		case org.apache.bcel.Constants.IFNULL:
			wcet = 4;
			break;
		// IFNONNULL = 199
		case org.apache.bcel.Constants.IFNONNULL:
			wcet = 4;
			break;
		// GOTO_W = 200
		case org.apache.bcel.Constants.GOTO_W:
			wcet = -1;
			break;
		// JSR_W = 201
		case org.apache.bcel.Constants.JSR_W:
			wcet = -1;
			break;
		// JOPSYS_RD = 209   
		case JOPSYS_RD:
			wcet = 4 + r;
			break;
		// JOPSYS_WR = 210
		case JOPSYS_WR:
			wcet = 5 + w;
			break;
		// JOPSYS_RDMEM = 211
		case JOPSYS_RDMEM:
			wcet = 4 + r;
			break;
		// JOPSYS_WRMEM = 212
		case JOPSYS_WRMEM:
			wcet = 5 + w;
			break;
		// JOPSYS_RDINT = 213
		case JOPSYS_RDINT:
			wcet = 3;
			break;
		// JOPSYS_WRINT = 214
		case JOPSYS_WRINT:
			wcet = 3;
			break;
		// JOPSYS_GETSP = 215
		case JOPSYS_GETSP:
			wcet = 3;
			break;
		// JOPSYS_SETSP = 216
		case JOPSYS_SETSP:
			wcet = 4;
			break;
		// JOPSYS_GETVP = 217
		case JOPSYS_GETVP:
			wcet = 1;
			break;
		// JOPSYS_SETVP = 218
		case JOPSYS_SETVP:
			wcet = 2;
			break;
		// JOPSYS_INT2EXT = 219
		case JOPSYS_INT2EXT:
			int wt = 0;
			if (w>8) wt = w-8;
			wcet = 14+r+ n*(23+wt);
			break;
		// JOPSYS_EXT2INT = 220
		case JOPSYS_EXT2INT:
			int rt = 0;
			if (r>10) rt = r-10;
			wcet = 14+r+ n*(23+rt);
			break;
		// JOPSYS_NOP = 221
		case JOPSYS_NOP:
			wcet = 1;
			break;

		default:
			wcet = -1;
			break;
		}
		// TODO: Add the JOP speciffic codes?
		return wcet;
	}

	/**
	 * Check to see if there is a valid WCET count for the instruction.
	 * 
	 * @param opcode
	 * @return true if there is a valid wcet value
	 */
	static boolean wcetAvailable(int opcode) {
		if (getCycles(opcode, false, 0) == WCETNOTAVAILABLE)
			return false;
		else
			return true;
	}

	/**
	 * Method load time on invoke or return if there is a cache miss (see pMiss).
	 * 
	 * @see ms thesis p 232
	 */
	public static int calculateB(boolean hit, int n) {
		int b = -1;
		if (n == -1) {
			System.err.println("n not set!");
			System.exit(-1);
		} else {
			if (hit) {
				b = 4;
			} else {
				b = 6 + (n+1) * (2+c);
			}
		}
		return b;
	}
	// should be removed from WCETAnalyser:
	public static int calculateB(int x) {
		return -1;
	}

}