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Diffstat (limited to 'src/systemc/tests/systemc/misc/synth/concat/rvalue/test.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/misc/synth/concat/rvalue/test.cpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/synth/concat/rvalue/test.cpp b/src/systemc/tests/systemc/misc/synth/concat/rvalue/test.cpp new file mode 100644 index 000000000..3a1c86093 --- /dev/null +++ b/src/systemc/tests/systemc/misc/synth/concat/rvalue/test.cpp @@ -0,0 +1,160 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + test.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: + + *****************************************************************************/ + +// +// Verifies the functionality of concanetation operation. +// Operands form the rvalue of an assignment +// +// Author: PRP +// Date Created: 19 Feb 99 +// + + +#include "systemc.h" +#include "test.h" + +void test::entry() +{ + sc_lv<8> a; + sc_lv<8> b; + sc_lv<8> c; + sc_lv<8> d; + sc_lv<24> e; + sc_lv<24> f; + + sc_logic k; + sc_logic n; + sc_logic m; + + sc_lv<32> x; + sc_lv<32> y; + sc_lv<32> z; + + sc_lv<2> kk; + + int i,j; + + while (true) { + + wait (); + + // ------- rvalue --------------------------------------------- + + a = "00000000"; // 0 + b = "00000001"; // 1 + c = "00000011"; // 3 + d = "00001111"; // 15 + e = "000000000000000000000001"; // 1 + f = "000000000000000000001010"; // 10 + + // =============== Array + Array ==================================== + // array constant + array constant + x = ( sc_lv_base( "000000000000000000000000" ), "00010000"); // x = 32 + + // array constant + array variable + y = ("000000000000000000000000", b); // y = 1 + z = x | y; // z = 00000000 00000000 00000000 00010001 + + // array variable + array constant + x = (a, "000000000000000000000011"); // x = 3 + z = z & x; // z = 00000000 00000000 00000000 00000001 + + // array variable + array variable + x = (a, f); // x = 10 + z = z | x; // z = 00000000 00000000 00000000 00001011 + + // =============== Cascading ==================================== + // cascading array variables + x = (a, b, c, d); // x = 00000000 00000001 00000011 00001111 + z = z & x; // z = 00000000 00000000 00000000 00001011 + + // cascading array constants + x = ( sc_lv_base( "00000011" ), "00000011", "00000011", "00000011"); + // x = 00000011 00000011 00000011 00000011 + z = z | x; // z = 00000011 00000011 00000011 00001011 + + // composing array concats + x = ( sc_lv_base( "00000011" ), ( sc_lv_base( "11111111" ), "00000011", "00000011")); + // x = 00000011 11111111 00000011 00000011 + z = z | x; // z = 00000011 11111111 00000011 00001011 + + // =============== Array (variable) + Scalar ============================== + // array variable + scalar constant + m = '0'; + n = '1'; + x = (a, b, c, d.range (6, 0), m); + // x = 00000000 00000001 00000011 00011110 + z = z | x; // z = 00000011 11111111 00000011 00011111 + + k = '1'; + // array variable + scalar variable + x = (a, b, k, c.range (6, 0), x.range (7, 0)); + // x = 00000000 00000001 10000001 00011110 + z = z & x; // z = 00000000 00000001 00000001 00011110 + + // =============== Null Vector ==================================== + // null vector - variable + kk = ~( sc_lv_base( k ), k); // "00" + z = (z.range (31, 2), kk); // z = 00000000 00000001 00000001 00011100 + + // null vector - constant + kk = ( sc_lv_base( n ), n); // "11" + z = (kk, z.range (29, 0)); // z = 11000000 00000001 00000001 00011100 + + // =============== Array (constant) + Scalar ============================== + // scalar constant + array constant + x = ( sc_lv_base( n ), "1111111000000000000000000000011"); + // x = 01111111 00000000 00000000 00000011 + z = z | x; // z = 11111111 00000001 00000001 00011111 + + // array constant + scalar variable + x = ( sc_lv_base( "1111111000000000000000000000011" ), k); + // x = 11111110 00000000 00000000 00000111 + z = z & x; // z = 11111110 00000000 00000000 00000111 + + // =============== LHS/RHS of different widths ============================== + // lhs and rhs of different widths + x = "100001111000000000000000000001111"; // warning should be issued + z = z & x; + // z = 00001110 00000000 00000000 00000111 + + o1 = z.to_int(); + wait(); + + } +} + |