Files
DRAMSys/tests/tests_simulator/cache/TargetMemory.h
Derek Christ db74e7549a Update to SystemC 3.0.1
Fix some of the deprecation warnings introduced in the new version such
as the removal of SC_HAS_PROCESS.
2025-10-10 09:39:13 +02:00

83 lines
3.1 KiB
C++

/*
* Copyright (c) 2023, RPTU Kaiserslautern-Landau
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors:
* Derek Christ
*/
#pragma once
#include <systemc>
#include <tlm>
#include <tlm_utils/peq_with_cb_and_phase.h>
#include <tlm_utils/simple_target_socket.h>
#include <queue>
class TargetMemory : public sc_core::sc_module
{
public:
tlm_utils::simple_target_socket<TargetMemory> tSocket;
TargetMemory(const sc_core::sc_module_name& name,
sc_core::sc_time acceptDelay,
sc_core::sc_time memoryLatency,
std::size_t bufferSize = DEFAULT_BUFFER_SIZE);
private:
tlm::tlm_sync_enum nb_transport_fw(tlm::tlm_generic_payload& trans,
tlm::tlm_phase& phase,
sc_core::sc_time& delay);
void peqCallback(tlm::tlm_generic_payload& trans, const tlm::tlm_phase& phase);
void sendEndRequest(tlm::tlm_generic_payload& trans);
void sendResponse(tlm::tlm_generic_payload& trans);
void executeTransaction(tlm::tlm_generic_payload& trans);
void printBuffer(int max, int n);
static constexpr std::size_t SIZE = static_cast<std::size_t>(64 * 1024);
static constexpr std::size_t DEFAULT_BUFFER_SIZE = 8;
const std::size_t bufferSize;
const sc_core::sc_time acceptDelay;
const sc_core::sc_time memoryLatency;
std::vector<uint8_t> memory;
unsigned int currentTransactions = 0;
bool responseInProgress = false;
tlm::tlm_generic_payload* endRequestPending = nullptr;
tlm_utils::peq_with_cb_and_phase<TargetMemory> peq;
std::queue<tlm::tlm_generic_payload*> responseQueue;
};