| /***************************************************************************** |
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| Licensed to Accellera Systems Initiative Inc. (Accellera) under one or |
| more contributor license agreements. See the NOTICE file distributed |
| with this work for additional information regarding copyright ownership. |
| Accellera licenses this file to you under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with the |
| License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
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| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| implied. See the License for the specific language governing |
| permissions and limitations under the License. |
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| *****************************************************************************/ |
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| /***************************************************************************** |
| |
| star109218-2.cpp -- |
| |
| Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| MODIFICATION LOG - modifiers, enter your name, affiliation, date and |
| changes you are making here. |
| |
| Name, Affiliation, Date: |
| Description of Modification: |
| |
| *****************************************************************************/ |
| |
| #include <systemc.h> |
| #include "map.h" |
| |
| |
| void my_mult(bool CLK, |
| sc_uint<8> A, |
| sc_uint<8> B, |
| sc_uint<16> &Z) { |
| // map_to_operator MULT_TC_OP |
| bool SignA, SignB; |
| sc_uint<8> MantA, MantB; |
| sc_uint<1> SignC; |
| sc_uint<16> MantC; |
| sc_lv<8> A_tmp, B_tmp; |
| sc_lv<16> Z_tmp; |
| |
| if(A == 0 || B == 0) { |
| Z = 0; |
| } else { |
| SignA = A[7]; |
| SignB = B[7]; |
| MantA = SignA? (sc_uint<8>) (0-A) : A; |
| MantB = SignB? (sc_uint<8>) (0-B) : B; |
| MantC = MantA*MantB; |
| SignC[0] = SignA ^ SignB; |
| MantC = SignC[0]? (sc_uint<16>) (0-MantC) : MantC; |
| Z = (SignC, MantC.range(14,0)); |
| } |
| } |
| |
| |
| void test::reset_loop() { |
| sc_uint<16> a, b, c, d, result; |
| |
| dato.write(0); |
| done.write((sc_logic)'0'); |
| wait(); |
| while(1) { |
| a = dati; |
| my_mult(clk.read(), a.range(7,0), a.range(15,8), result); |
| dato.write(result); |
| done.write((sc_logic)'1'); |
| wait(); |
| } |
| } |