1 /***************************************************************************** 2 3 Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 4 more contributor license agreements. See the NOTICE file distributed 5 with this work for additional information regarding copyright ownership. 6 Accellera licenses this file to you under the Apache License, Version 2.0 7 (the "License"); you may not use this file except in compliance with the 8 License. You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 15 implied. See the License for the specific language governing 16 permissions and limitations under the License. 17 18 *****************************************************************************/ 19 20 /***************************************************************************** 21 22 mmxu.h -- MMX-Like Execution Unit. 23 24 Original Author: Martin Wang, Synopsys, Inc. 25 26 *****************************************************************************/ 27 28 /***************************************************************************** 29 30 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 31 changes you are making here. 32 33 Name, Affiliation, Date: 34 Description of Modification: 35 36 *****************************************************************************/ 37 38 39 struct mmxu : sc_module { 40 sc_in<bool> mmx_valid; // MMX unit enable 41 sc_in<int> opcode; // opcode 42 sc_in<signed int> mmxa; // operand A 43 sc_in<signed int> mmxb; // operand B 44 sc_in<unsigned> dest; // Destination register number 45 sc_out<signed int> mmxdout; // MMX output 46 sc_out<bool> mmxout_valid; // MMX output valid 47 sc_out<unsigned> mmxdestout; // destination number 48 sc_in_clk CLK; 49 50 51 // can make it asynchronous process to speed up simulation SC_CTORmmxu52 SC_CTOR(mmxu) { 53 SC_CTHREAD(entry, CLK.pos()); 54 } 55 56 void entry(); 57 }; 58 59 // EOF 60