simpleAddressMap.h revision 12855
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#ifndef __simpleAddressMap_h__ 2112855Sgabeblack@google.com#define __simpleAddressMap_h__ 2212855Sgabeblack@google.com 2312855Sgabeblack@google.com#include <systemc> 2412855Sgabeblack@google.com#include <map> 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com 2712855Sgabeblack@google.com//-------------------------------------------------------------------------- 2812855Sgabeblack@google.com/** 2912855Sgabeblack@google.com * Simple address map implementation for the generic protocol. 3012855Sgabeblack@google.com */ 3112855Sgabeblack@google.com//-------------------------------------------------------------------------- 3212855Sgabeblack@google.comclass SimpleAddressMap 3312855Sgabeblack@google.com{ 3412855Sgabeblack@google.com typedef std::map<sc_dt::uint64, unsigned int> mapType; 3512855Sgabeblack@google.com typedef std::map<sc_dt::uint64, unsigned int>::iterator addressMapIterator; 3612855Sgabeblack@google.com 3712855Sgabeblack@google.compublic: 3812855Sgabeblack@google.com SimpleAddressMap() {} 3912855Sgabeblack@google.com 4012855Sgabeblack@google.com //-------------------------------------------------------------------------- 4112855Sgabeblack@google.com /** 4212855Sgabeblack@google.com * Check for overlapping address ranges 4312855Sgabeblack@google.com */ 4412855Sgabeblack@google.com //-------------------------------------------------------------------------- 4512855Sgabeblack@google.com void checkSanity() 4612855Sgabeblack@google.com { 4712855Sgabeblack@google.com addressMapIterator pos; 4812855Sgabeblack@google.com for (pos=m_addressMap.begin();pos!=m_addressMap.end();++pos){ 4912855Sgabeblack@google.com if(pos->second!=255) 5012855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap","Overlapping Address Regions."); 5112855Sgabeblack@google.com else 5212855Sgabeblack@google.com ++pos; 5312855Sgabeblack@google.com if(pos->second==255) 5412855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap","Overlapping Address Regions."); 5512855Sgabeblack@google.com } 5612855Sgabeblack@google.com std::cout<<"Address check successful."<<std::endl; 5712855Sgabeblack@google.com } 5812855Sgabeblack@google.com 5912855Sgabeblack@google.com 6012855Sgabeblack@google.com //-------------------------------------------------------------------------- 6112855Sgabeblack@google.com /** 6212855Sgabeblack@google.com * Print map 6312855Sgabeblack@google.com */ 6412855Sgabeblack@google.com //-------------------------------------------------------------------------- 6512855Sgabeblack@google.com void dumpMap() 6612855Sgabeblack@google.com { 6712855Sgabeblack@google.com std::cout<<"SimpleAddressMap: printing the sorted MAP:"<<std::endl; 6812855Sgabeblack@google.com addressMapIterator pos; 6912855Sgabeblack@google.com for (pos=m_addressMap.begin();pos!=m_addressMap.end();++pos){ 7012855Sgabeblack@google.com if(pos->second==255) 7112855Sgabeblack@google.com printf("key: %x value: %i \n", (unsigned int) ((pos->first+1)>>1)-1, pos->second); 7212855Sgabeblack@google.com else 7312855Sgabeblack@google.com printf("key: %x value: %i \n", (unsigned int) (pos->first>>1)-1, pos->second); 7412855Sgabeblack@google.com } 7512855Sgabeblack@google.com } 7612855Sgabeblack@google.com 7712855Sgabeblack@google.com 7812855Sgabeblack@google.com //-------------------------------------------------------------------------- 7912855Sgabeblack@google.com /** 8012855Sgabeblack@google.com * Decode slave address. 8112855Sgabeblack@google.com * @param address_ A slave address. 8212855Sgabeblack@google.com * @return The decoded slave port number. On error, the value 255 is returned. 8312855Sgabeblack@google.com */ 8412855Sgabeblack@google.com //-------------------------------------------------------------------------- 8512855Sgabeblack@google.com unsigned int decode(sc_dt::uint64 address_) 8612855Sgabeblack@google.com { 8712855Sgabeblack@google.com addressMapIterator lbound; 8812855Sgabeblack@google.com 8912855Sgabeblack@google.com lbound=m_addressMap.lower_bound((address_+1)<<1); 9012855Sgabeblack@google.com if((lbound->second == 255) | (lbound==m_addressMap.end())){ 9112855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap", "Address does not match any registered address range."); 9212855Sgabeblack@google.com } 9312855Sgabeblack@google.com else{ 9412855Sgabeblack@google.com return lbound->second; 9512855Sgabeblack@google.com } 9612855Sgabeblack@google.com return 255; 9712855Sgabeblack@google.com } 9812855Sgabeblack@google.com 9912855Sgabeblack@google.com const sc_dt::uint64& get_max(){ 10012855Sgabeblack@google.com if (m_addressMap.size()){ 10112855Sgabeblack@google.com addressMapIterator i=(m_addressMap.end()); 10212855Sgabeblack@google.com i--; 10312855Sgabeblack@google.com retval=(i->first>>1)-1; 10412855Sgabeblack@google.com return retval; 10512855Sgabeblack@google.com } 10612855Sgabeblack@google.com else { 10712855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap", "get_max() called on empty address map."); 10812855Sgabeblack@google.com return retval; 10912855Sgabeblack@google.com } 11012855Sgabeblack@google.com } 11112855Sgabeblack@google.com 11212855Sgabeblack@google.com const sc_dt::uint64& get_min(){ 11312855Sgabeblack@google.com if (m_addressMap.size()){ 11412855Sgabeblack@google.com addressMapIterator i=(m_addressMap.begin()); 11512855Sgabeblack@google.com retval=((i->first+1)>>1)-1; 11612855Sgabeblack@google.com return retval; 11712855Sgabeblack@google.com } 11812855Sgabeblack@google.com else { 11912855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap", "get_min() called on empty address map."); 12012855Sgabeblack@google.com return retval; 12112855Sgabeblack@google.com } 12212855Sgabeblack@google.com } 12312855Sgabeblack@google.com 12412855Sgabeblack@google.com //-------------------------------------------------------------------------- 12512855Sgabeblack@google.com /** 12612855Sgabeblack@google.com * Insert a slave into the address map 12712855Sgabeblack@google.com */ 12812855Sgabeblack@google.com //-------------------------------------------------------------------------- 12912855Sgabeblack@google.com void insert(sc_dt::uint64 baseAddress_, sc_dt::uint64 highAddress_, unsigned int portNumber_) 13012855Sgabeblack@google.com { 13112855Sgabeblack@google.com if(baseAddress_>highAddress_) 13212855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap", "Base address must be lower than high address."); 13312855Sgabeblack@google.com if(portNumber_>=255) 13412855Sgabeblack@google.com SC_REPORT_ERROR("SimpleAddressMap", "Only ;-) 255 targets can be handled."); 13512855Sgabeblack@google.com m_addressMap.insert(mapType::value_type(((baseAddress_+1)<<1)-1, 255 )); 13612855Sgabeblack@google.com m_addressMap.insert(mapType::value_type( (highAddress_+1)<<1 ,portNumber_)); 13712855Sgabeblack@google.com } 13812855Sgabeblack@google.com 13912855Sgabeblack@google.comprivate: 14012855Sgabeblack@google.com sc_dt::uint64 retval; 14112855Sgabeblack@google.com /// the address map 14212855Sgabeblack@google.com mapType m_addressMap; 14312855Sgabeblack@google.com}; 14412855Sgabeblack@google.com 14512855Sgabeblack@google.com 14612855Sgabeblack@google.com 14712855Sgabeblack@google.com 14812855Sgabeblack@google.com#endif 149