112922Sgabeblack@google.com/***************************************************************************** 212922Sgabeblack@google.com 312922Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412922Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512922Sgabeblack@google.com with this work for additional information regarding copyright ownership. 612922Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 712922Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 812922Sgabeblack@google.com License. You may obtain a copy of the License at 912922Sgabeblack@google.com 1012922Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1112922Sgabeblack@google.com 1212922Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1312922Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1412922Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512922Sgabeblack@google.com implied. See the License for the specific language governing 1612922Sgabeblack@google.com permissions and limitations under the License. 1712922Sgabeblack@google.com 1812922Sgabeblack@google.com *****************************************************************************/ 1912922Sgabeblack@google.com 2012922Sgabeblack@google.com#ifndef __EXPLICIT_LT_TARGET_H__ 2112922Sgabeblack@google.com#define __EXPLICIT_LT_TARGET_H__ 2212922Sgabeblack@google.com 2312922Sgabeblack@google.com#include "tlm.h" 2412922Sgabeblack@google.com#include "tlm_utils/simple_target_socket.h" 2512922Sgabeblack@google.com//#include <systemc> 2612922Sgabeblack@google.com#include <cassert> 2712922Sgabeblack@google.com#include <vector> 2812922Sgabeblack@google.com#include <queue> 2912922Sgabeblack@google.com//#include <iostream> 3012922Sgabeblack@google.com 3112922Sgabeblack@google.comclass ExplicitLTTarget : public sc_core::sc_module 3212922Sgabeblack@google.com{ 3312922Sgabeblack@google.compublic: 3412922Sgabeblack@google.com typedef tlm::tlm_generic_payload transaction_type; 3512922Sgabeblack@google.com typedef tlm::tlm_phase phase_type; 3612922Sgabeblack@google.com typedef tlm::tlm_sync_enum sync_enum_type; 3712922Sgabeblack@google.com typedef tlm_utils::simple_target_socket<ExplicitLTTarget> target_socket_type; 3812922Sgabeblack@google.com 3912922Sgabeblack@google.compublic: 4012922Sgabeblack@google.com target_socket_type socket; 4112922Sgabeblack@google.com 4212922Sgabeblack@google.compublic: 4312922Sgabeblack@google.com SC_HAS_PROCESS(ExplicitLTTarget); 4412922Sgabeblack@google.com ExplicitLTTarget(sc_core::sc_module_name name) : 4512922Sgabeblack@google.com sc_core::sc_module(name), 4612922Sgabeblack@google.com socket("socket") 4712922Sgabeblack@google.com { 4812922Sgabeblack@google.com // register nb_transport method 4912922Sgabeblack@google.com socket.register_b_transport(this, &ExplicitLTTarget::myBTransport); 5012922Sgabeblack@google.com socket.register_transport_dbg(this, &ExplicitLTTarget::transport_dbg); 5112922Sgabeblack@google.com } 5212922Sgabeblack@google.com 5312922Sgabeblack@google.com void myBTransport(transaction_type& trans, sc_core::sc_time& t) 5412922Sgabeblack@google.com { 5512922Sgabeblack@google.com sc_dt::uint64 address = trans.get_address(); 5612922Sgabeblack@google.com assert(address < 400); 5712922Sgabeblack@google.com 5812922Sgabeblack@google.com unsigned int& data = *reinterpret_cast<unsigned int*>(trans.get_data_ptr()); 5912922Sgabeblack@google.com if (trans.get_command() == tlm::TLM_WRITE_COMMAND) { 6012922Sgabeblack@google.com std::cout << name() << ": Received write request: A = 0x" 6112922Sgabeblack@google.com << std::hex << (unsigned int)address << ", D = 0x" << data 6212922Sgabeblack@google.com << std::dec << " @ " << sc_core::sc_time_stamp() 6312922Sgabeblack@google.com << std::endl; 6412922Sgabeblack@google.com 6512922Sgabeblack@google.com *reinterpret_cast<unsigned int*>(&mMem[address]) = data; 6612922Sgabeblack@google.com 6712922Sgabeblack@google.com // Synchronization on demand (eg need to assert an interrupt) 6812922Sgabeblack@google.com // Wait for passed timing annotation + wait for an extra 50 ns 6912922Sgabeblack@google.com wait(t + sc_core::sc_time(50, sc_core::SC_NS)); 7012922Sgabeblack@google.com t = sc_core::SC_ZERO_TIME; 7112922Sgabeblack@google.com 7212922Sgabeblack@google.com // We are synchronized, we can read/write sc_signals, wait,... 7312922Sgabeblack@google.com 7412922Sgabeblack@google.com *reinterpret_cast<unsigned int*>(trans.get_data_ptr()) = 7512922Sgabeblack@google.com *reinterpret_cast<unsigned int*>(&mMem[address]); 7612922Sgabeblack@google.com 7712922Sgabeblack@google.com } else { 7812922Sgabeblack@google.com std::cout << name() << ": Received read request: A = 0x" 7912922Sgabeblack@google.com << std::hex << (unsigned int)address 8012922Sgabeblack@google.com << std::dec << " @ " << sc_core::sc_time_stamp() 8112922Sgabeblack@google.com << std::endl; 8212922Sgabeblack@google.com 8312922Sgabeblack@google.com data = *reinterpret_cast<unsigned int*>(&mMem[address]); 8412922Sgabeblack@google.com 8512922Sgabeblack@google.com // Finish transaction (use timing annotation) 8612922Sgabeblack@google.com t += sc_core::sc_time(100, sc_core::SC_NS); 8712922Sgabeblack@google.com } 8812922Sgabeblack@google.com 8912922Sgabeblack@google.com trans.set_response_status(tlm::TLM_OK_RESPONSE); 9012922Sgabeblack@google.com } 9112922Sgabeblack@google.com 9212922Sgabeblack@google.com unsigned int transport_dbg(transaction_type& r) 9312922Sgabeblack@google.com { 9412922Sgabeblack@google.com if (r.get_address() >= 400) return 0; 9512922Sgabeblack@google.com 9612922Sgabeblack@google.com unsigned int tmp = (int)r.get_address(); 9712922Sgabeblack@google.com unsigned int num_bytes; 9812922Sgabeblack@google.com if (tmp + r.get_data_length() >= 400) { 9912922Sgabeblack@google.com num_bytes = 400 - tmp; 10012922Sgabeblack@google.com 10112922Sgabeblack@google.com } else { 10212922Sgabeblack@google.com num_bytes = r.get_data_length(); 10312922Sgabeblack@google.com } 10412922Sgabeblack@google.com if (!r.is_read() && !r.is_write()) { 10512922Sgabeblack@google.com return 0; 10612922Sgabeblack@google.com } 10712922Sgabeblack@google.com if (r.is_read()) { 10812922Sgabeblack@google.com for (unsigned int i = 0; i < num_bytes; ++i) { 10912922Sgabeblack@google.com r.get_data_ptr()[i] = mMem[i + tmp]; 11012922Sgabeblack@google.com } 11112922Sgabeblack@google.com 11212922Sgabeblack@google.com } else { 11312922Sgabeblack@google.com for (unsigned int i = 0; i < num_bytes; ++i) { 11412922Sgabeblack@google.com mMem[i + tmp] = r.get_data_ptr()[i]; 11512922Sgabeblack@google.com } 11612922Sgabeblack@google.com } 11712922Sgabeblack@google.com return num_bytes; 11812922Sgabeblack@google.com } 11912922Sgabeblack@google.com 12012922Sgabeblack@google.comprivate: 12112922Sgabeblack@google.com unsigned char mMem[400]; 12212922Sgabeblack@google.com}; 12312922Sgabeblack@google.com 12412922Sgabeblack@google.com#endif 125