112855Sgabeblack@google.com/***************************************************************************** 212855Sgabeblack@google.com 312855Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412855Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512855Sgabeblack@google.com with this work for additional information regarding copyright ownership. 612855Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 712855Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 812855Sgabeblack@google.com License. You may obtain a copy of the License at 912855Sgabeblack@google.com 1012855Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1112855Sgabeblack@google.com 1212855Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1312855Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1412855Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512855Sgabeblack@google.com implied. See the License for the specific language governing 1612855Sgabeblack@google.com permissions and limitations under the License. 1712855Sgabeblack@google.com 1812855Sgabeblack@google.com *****************************************************************************/ 1912855Sgabeblack@google.com 2012855Sgabeblack@google.com/***************************************************************************** 2112855Sgabeblack@google.com 2212855Sgabeblack@google.com a2901_alu.cpp -- 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com *****************************************************************************/ 2712855Sgabeblack@google.com 2812855Sgabeblack@google.com/***************************************************************************** 2912855Sgabeblack@google.com 3012855Sgabeblack@google.com MODIFICATION LOG - modifiers, enter your name, affiliation, date and 3112855Sgabeblack@google.com changes you are making here. 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com Name, Affiliation, Date: 3412855Sgabeblack@google.com Description of Modification: 3512855Sgabeblack@google.com 3612855Sgabeblack@google.com *****************************************************************************/ 3712855Sgabeblack@google.com 3812855Sgabeblack@google.com#include "a2901_alu.h" 3912855Sgabeblack@google.com 4012855Sgabeblack@google.comvoid 4112855Sgabeblack@google.coma2901_alu::entry() 4212855Sgabeblack@google.com{ 4312855Sgabeblack@google.com int I53 = I.read().range(5,3); 4412855Sgabeblack@google.com 4512855Sgabeblack@google.com R_ext_v = (I53 == 0x1) ? sc_int<5> (0xf & ~(RE.read())) 4612855Sgabeblack@google.com : sc_int<5>( RE.read() ); 4712855Sgabeblack@google.com S_ext_v = (I53 == 0x2) ? sc_int<5> (0xf & ~(S.read()) ) 4812855Sgabeblack@google.com : sc_int<5>( S.read() ); 4912855Sgabeblack@google.com R_ext.write(R_ext_v); 5012855Sgabeblack@google.com S_ext.write(S_ext_v); 5112855Sgabeblack@google.com 5212855Sgabeblack@google.com switch (I53) { 5312855Sgabeblack@google.com case 0x0: 5412855Sgabeblack@google.com case 0x1: 5512855Sgabeblack@google.com case 0x2: 5612855Sgabeblack@google.com result = R_ext_v + S_ext_v + C0.read(); 5712855Sgabeblack@google.com break; 5812855Sgabeblack@google.com case 0x3: 5912855Sgabeblack@google.com result = R_ext_v | S_ext_v; 6012855Sgabeblack@google.com break; 6112855Sgabeblack@google.com case 0x4: 6212855Sgabeblack@google.com result = R_ext_v & S_ext_v; 6312855Sgabeblack@google.com break; 6412855Sgabeblack@google.com case 0x5: 6512855Sgabeblack@google.com result = ~(R_ext_v) & S_ext_v; 6612855Sgabeblack@google.com break; 6712855Sgabeblack@google.com case 0x6: 6812855Sgabeblack@google.com result = R_ext_v ^ S_ext_v; 6912855Sgabeblack@google.com break; 7012855Sgabeblack@google.com default: 7112855Sgabeblack@google.com result = ~(R_ext_v ^ S_ext_v); 7212855Sgabeblack@google.com } 7312855Sgabeblack@google.com 7412855Sgabeblack@google.com F.write(result); 7512855Sgabeblack@google.com OVR.write(!(R_ext_v[3] ^ S_ext_v[3]) & (R_ext_v[3] ^ result[3])); 7612855Sgabeblack@google.com //C4.write(result[4]); 7712855Sgabeblack@google.com C4.write((bool)result[4]); 7812855Sgabeblack@google.com temp_p = R_ext_v | S_ext_v; 7912855Sgabeblack@google.com temp_g = R_ext_v & S_ext_v; 8012855Sgabeblack@google.com Pbar.write((temp_p[0] & temp_p[1] & temp_p[2] & temp_p[3]) ? 0 : 1); 8112855Sgabeblack@google.com Gbar.write((temp_g[3] | 8212855Sgabeblack@google.com (temp_p[3] & temp_g[2]) | 8312855Sgabeblack@google.com (temp_p[3] & temp_p[2] & temp_g[1]) | 8412855Sgabeblack@google.com (temp_p[3] & temp_p[2] & temp_p[1] & temp_g[0])) ? 0 : 1); 8512855Sgabeblack@google.com //F3.write(result[3]); 8612855Sgabeblack@google.com F3.write((bool)result[3]); 8712855Sgabeblack@google.com F30.write((result[3] | result[2] | result[1] | result[0]) ? 0 : 1); 8812855Sgabeblack@google.com} 89