| /***************************************************************************** |
| |
| 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. |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| conditions.cpp -- |
| |
| Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-22 |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| MODIFICATION LOG - modifiers, enter your name, affiliation, date and |
| changes you are making here. |
| |
| Name, Affiliation, Date: |
| Description of Modification: |
| |
| *****************************************************************************/ |
| |
| |
| #include "conditions.h" |
| |
| void conditions::entry(){ |
| |
| sc_biguint<4> tmp1; |
| sc_bigint<4> tmp2; |
| sc_biguint<4> tmp2a; |
| sc_lv<4> tmp3; |
| sc_bv<4> tmp4; |
| int tmp5; |
| bool cond_tmp; |
| |
| // reset_loop |
| if (reset.read() == true) { |
| out_value1.write(0); |
| out_value2.write(0); |
| out_value3.write(0); |
| out_value4.write(0); |
| out_value5.write(0); |
| out_valid.write(false); |
| wait(); |
| } else wait(); |
| |
| // |
| // main loop |
| // |
| while(1) { |
| do { wait(); } while (in_valid == false); |
| |
| //reading inputs |
| tmp1 = in_value1.read(); |
| tmp2 = in_value2.read(); |
| tmp4 = in_value4.read(); |
| tmp5 = in_value5.read(); |
| |
| // complex condition on variables |
| if ((tmp1==4) && (tmp2<6) || (tmp5+tmp4.to_int()==6)) { |
| out_value1.write(4); |
| } else { |
| out_value1.write(tmp1); |
| }; |
| wait(); |
| |
| // complex conditions on signal reads |
| if ((in_value1.read().to_uint()==4) && (in_value2.read().to_int()<6) || |
| (in_value4.read().to_int()+in_value5.read()==6)) { |
| out_value2.write(4); |
| } else { |
| out_value2.write(tmp1); |
| }; |
| wait(); |
| |
| //reading inputs |
| tmp1 = in_value1.read(); |
| tmp2 = in_value2.read(); |
| tmp3 = in_value3.read(); |
| tmp4 = in_value4.read(); |
| tmp5 = in_value5.read(); |
| |
| // complex conditions outside the if; does it matter for timing? |
| cond_tmp = (tmp1==4) && (tmp2<6) || (tmp5+tmp4.to_int()==6); |
| if (cond_tmp) { |
| out_value3.write(4); |
| } else { |
| out_value3.write(tmp1); |
| }; |
| wait(); |
| |
| // arithmetic if can only be done when using the same datatypes |
| // therefor the temporary assignment |
| tmp2a = 0; |
| out_value4.write((tmp3.to_int()==4) && (tmp1<6) || |
| (tmp5+tmp2.to_int()==6)?tmp2a:tmp1); |
| wait(); |
| |
| // arithmetic if can only be done when using the same datatypes |
| // therefor the temporary assignment |
| tmp5 = tmp2.to_int(); |
| out_value5.write((in_value3.read().to_int()==4) && |
| (in_value1.read().to_int()<6) || |
| (in_value5.read()+in_value2.read().to_int()==6)? |
| 0:tmp5); |
| out_valid.write(true); |
| wait(); |
| out_valid.write(false); |
| |
| } |
| } |
| |
| // EOF |
| |