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 __SIMPLE_LT_TARGET2_H__ 2112922Sgabeblack@google.com#define __SIMPLE_LT_TARGET2_H__ 2212922Sgabeblack@google.com 2312922Sgabeblack@google.com#include "tlm.h" 2412922Sgabeblack@google.com#include "tlm_utils/passthrough_target_socket.h" 2512922Sgabeblack@google.com#include <cassert> 2612922Sgabeblack@google.com#include <vector> 2712922Sgabeblack@google.com 2812922Sgabeblack@google.comclass SimpleLTTarget2 : public sc_core::sc_module 2912922Sgabeblack@google.com{ 3012922Sgabeblack@google.compublic: 3112922Sgabeblack@google.com typedef tlm::tlm_generic_payload transaction_type; 3212922Sgabeblack@google.com typedef tlm::tlm_phase phase_type; 3312922Sgabeblack@google.com typedef tlm::tlm_sync_enum sync_enum_type; 3412922Sgabeblack@google.com typedef tlm_utils::passthrough_target_socket<SimpleLTTarget2> target_socket_type; 3512922Sgabeblack@google.com 3612922Sgabeblack@google.com 3712922Sgabeblack@google.compublic: 3812922Sgabeblack@google.com target_socket_type socket; 3912922Sgabeblack@google.com 4012922Sgabeblack@google.compublic: 4112922Sgabeblack@google.com SimpleLTTarget2(sc_core::sc_module_name name) : 4212922Sgabeblack@google.com sc_core::sc_module(name), 4312922Sgabeblack@google.com socket("socket") 4412922Sgabeblack@google.com { 4512922Sgabeblack@google.com // register nb_transport method 4612922Sgabeblack@google.com socket.register_b_transport(this, &SimpleLTTarget2::myBTransport); 4712922Sgabeblack@google.com socket.register_nb_transport_fw(this, &SimpleLTTarget2::myNBTransport); 4812922Sgabeblack@google.com socket.register_get_direct_mem_ptr(this, &SimpleLTTarget2::myGetDMIPtr); 4912922Sgabeblack@google.com 5012922Sgabeblack@google.com // TODO: we don't register the transport_dbg callback here, so we 5112922Sgabeblack@google.com // can test if something bad happens 5212922Sgabeblack@google.com // REGISTER_DEBUGTRANSPORT(socket, transport_dbg, 0); 5312922Sgabeblack@google.com } 5412922Sgabeblack@google.com 5512922Sgabeblack@google.com void myBTransport(transaction_type& trans, 5612922Sgabeblack@google.com sc_core::sc_time& t) 5712922Sgabeblack@google.com { 5812922Sgabeblack@google.com sc_dt::uint64 address = trans.get_address(); 5912922Sgabeblack@google.com assert(address < 400); 6012922Sgabeblack@google.com 6112922Sgabeblack@google.com unsigned int& data = *reinterpret_cast<unsigned int*>(trans.get_data_ptr()); 6212922Sgabeblack@google.com if (trans.get_command() == tlm::TLM_WRITE_COMMAND) { 6312922Sgabeblack@google.com std::cout << name() << ": Received write request: A = 0x" 6412922Sgabeblack@google.com << std::hex << (unsigned int)address 6512922Sgabeblack@google.com << ", D = 0x" << data << std::dec 6612922Sgabeblack@google.com << " @ " << sc_core::sc_time_stamp() << std::endl; 6712922Sgabeblack@google.com 6812922Sgabeblack@google.com *reinterpret_cast<unsigned int*>(&mMem[address]) = data; 6912922Sgabeblack@google.com t += sc_core::sc_time(10, sc_core::SC_NS); 7012922Sgabeblack@google.com 7112922Sgabeblack@google.com } else { 7212922Sgabeblack@google.com std::cout << name() << ": Received read request: A = 0x" 7312922Sgabeblack@google.com << std::hex << (unsigned int)address << std::dec 7412922Sgabeblack@google.com << " @ " << sc_core::sc_time_stamp() << std::endl; 7512922Sgabeblack@google.com 7612922Sgabeblack@google.com data = *reinterpret_cast<unsigned int*>(&mMem[address]); 7712922Sgabeblack@google.com t += sc_core::sc_time(100, sc_core::SC_NS); 7812922Sgabeblack@google.com } 7912922Sgabeblack@google.com 8012922Sgabeblack@google.com trans.set_response_status(tlm::TLM_OK_RESPONSE); 8112922Sgabeblack@google.com 8212922Sgabeblack@google.com trans.set_dmi_allowed(true); 8312922Sgabeblack@google.com } 8412922Sgabeblack@google.com 8512922Sgabeblack@google.com sync_enum_type myNBTransport(transaction_type& trans, 8612922Sgabeblack@google.com phase_type& phase, 8712922Sgabeblack@google.com sc_core::sc_time& t) 8812922Sgabeblack@google.com { 8912922Sgabeblack@google.com assert(phase == tlm::BEGIN_REQ); 9012922Sgabeblack@google.com 9112922Sgabeblack@google.com // Never blocks, so call b_transport implementation 9212922Sgabeblack@google.com myBTransport(trans, t); 9312922Sgabeblack@google.com // LT target 9412922Sgabeblack@google.com // - always return TLM_COMPLETED 9512922Sgabeblack@google.com // - not necessary to update phase (if TLM_COMPLETED is returned) 9612922Sgabeblack@google.com return tlm::TLM_COMPLETED; 9712922Sgabeblack@google.com } 9812922Sgabeblack@google.com 9912922Sgabeblack@google.com unsigned int transport_dbg(transaction_type& r) 10012922Sgabeblack@google.com { 10112922Sgabeblack@google.com if (r.get_address() >= 400) return 0; 10212922Sgabeblack@google.com 10312922Sgabeblack@google.com unsigned int tmp = (int)r.get_address(); 10412922Sgabeblack@google.com unsigned int num_bytes; 10512922Sgabeblack@google.com if (tmp + r.get_data_length() >= 400) { 10612922Sgabeblack@google.com num_bytes = 400 - tmp; 10712922Sgabeblack@google.com 10812922Sgabeblack@google.com } else { 10912922Sgabeblack@google.com num_bytes = r.get_data_length(); 11012922Sgabeblack@google.com } 11112922Sgabeblack@google.com if (r.is_read()) { 11212922Sgabeblack@google.com for (unsigned int i = 0; i < num_bytes; ++i) { 11312922Sgabeblack@google.com r.get_data_ptr()[i] = mMem[i + tmp]; 11412922Sgabeblack@google.com } 11512922Sgabeblack@google.com 11612922Sgabeblack@google.com } else { 11712922Sgabeblack@google.com for (unsigned int i = 0; i < num_bytes; ++i) { 11812922Sgabeblack@google.com mMem[i + tmp] = r.get_data_ptr()[i]; 11912922Sgabeblack@google.com } 12012922Sgabeblack@google.com } 12112922Sgabeblack@google.com return num_bytes; 12212922Sgabeblack@google.com } 12312922Sgabeblack@google.com 12412922Sgabeblack@google.com bool myGetDMIPtr(transaction_type& trans, 12512922Sgabeblack@google.com tlm::tlm_dmi& dmi_data) 12612922Sgabeblack@google.com { 12712922Sgabeblack@google.com sc_dt::uint64 address = trans.get_address(); 12812922Sgabeblack@google.com if (address < 400) { 12912922Sgabeblack@google.com dmi_data.allow_read_write(); 13012922Sgabeblack@google.com dmi_data.set_start_address(0x0); 13112922Sgabeblack@google.com dmi_data.set_end_address(399); 13212922Sgabeblack@google.com dmi_data.set_dmi_ptr(mMem); 13312922Sgabeblack@google.com dmi_data.set_read_latency(sc_core::sc_time(100, sc_core::SC_NS)); 13412922Sgabeblack@google.com dmi_data.set_write_latency(sc_core::sc_time(10, sc_core::SC_NS)); 13512922Sgabeblack@google.com return true; 13612922Sgabeblack@google.com 13712922Sgabeblack@google.com } else { 13812922Sgabeblack@google.com // should not happen 13912922Sgabeblack@google.com dmi_data.set_start_address(address); 14012922Sgabeblack@google.com dmi_data.set_end_address(address); 14112922Sgabeblack@google.com return false; 14212922Sgabeblack@google.com 14312922Sgabeblack@google.com } 14412922Sgabeblack@google.com } 14512922Sgabeblack@google.comprivate: 14612922Sgabeblack@google.com unsigned char mMem[400]; 14712922Sgabeblack@google.com}; 14812922Sgabeblack@google.com 14912922Sgabeblack@google.com#endif 150