diff options
Diffstat (limited to 'src/systemc/tests/systemc/misc/stars/star103832/star103832.cpp')
-rw-r--r-- | src/systemc/tests/systemc/misc/stars/star103832/star103832.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/stars/star103832/star103832.cpp b/src/systemc/tests/systemc/misc/stars/star103832/star103832.cpp new file mode 100644 index 000000000..fd0d49e19 --- /dev/null +++ b/src/systemc/tests/systemc/misc/stars/star103832/star103832.cpp @@ -0,0 +1,98 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + star103832.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> + +struct test : sc_module { + + sc_in<bool> reset; + sc_in_clk clk; + sc_in<sc_uint<8> > dati; + sc_out<sc_uint<8> > dato; + sc_out<bool> done; + + SC_HAS_PROCESS( test ); + + test (const char *NAME) : sc_module(NAME) { + SC_CTHREAD( reset_loop, clk.pos() ); + reset_signal_is(reset,true); + end_module(); + } + + void tc_mult_8x8(sc_uint<8> A, sc_uint<8> B, sc_uint<16>& Y); + void reset_loop(); +}; + +void test::tc_mult_8x8(sc_uint<8> A, sc_uint<8> B, sc_uint<16>& Z) { + sc_uint<8> MantA; + sc_uint<16> MantC; + sc_uint<1> SignC, SignA, SignB; + sc_uint<8> MantB; + 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 = SignA ^ SignB; + MantC = SignC ? sc_uint<16>(0 - MantC) : MantC; + Z = (SignC, MantC.range(14,0)); + } +} + +void test::reset_loop() { + sc_uint<16> tmp; + sc_uint<8> inp; + done = 0; + dato = 0; + tmp = 0; + wait(); + operational_loop : while (1 != 0) { + inp = dati.read(); + wait(); + tc_mult_8x8( inp, -2, tmp); + wait(); + done_loop: while (1) { + dato = tmp; + done = 1; + wait(); + } + } +} + |