diff options
Diffstat (limited to 'src/systemc/tests/systemc/misc/stars/star109218-2/star109218-2.cpp')
-rw-r--r-- | src/systemc/tests/systemc/misc/stars/star109218-2/star109218-2.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/stars/star109218-2/star109218-2.cpp b/src/systemc/tests/systemc/misc/stars/star109218-2/star109218-2.cpp new file mode 100644 index 000000000..977b9998d --- /dev/null +++ b/src/systemc/tests/systemc/misc/stars/star109218-2/star109218-2.cpp @@ -0,0 +1,82 @@ +/***************************************************************************** + + 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 + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + 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(); + } +} |