Subversion Repositories s80186

// Copyright Jamie Iles, 2017

//

// This file is part of s80x86.

//

// s80x86 is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// s80x86 is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with s80x86.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <sys/types.h>

#include <stdint.h>

#include <boost/serialization/list.hpp>

#include <boost/serialization/string.hpp>

#include <boost/serialization/version.hpp>

#define __unused __attribute__((unused))

const size_t MEMORY_SIZE = 1 * 1024 * 1024;

typedef uint32_t phys_addr;

class Memory

{

public:

    Memory();

    template <typename T>

    void write(phys_addr addr, T val);

    template <typename T>

    T read(phys_addr addr) const;

    bool has_written() const;

    void clear_has_written();

private:

    uint8_t mem[MEMORY_SIZE];

    bool written;

private:

    friend class boost::serialization::access;

    template <class Archive>

    void serialize(Archive &ar, const unsigned int __unused version)

    {

        // clang-format off

        ar & mem;

        ar & written;

        // clang-format on

    }

};

#ifndef MEM_INIT_BYTE_VAL

#define MEM_INIT_BYTE_VAL 0x00

#endif

constexpr uint8_t mem_init_8 = MEM_INIT_BYTE_VAL;

constexpr uint16_t mem_init_16 =

    (static_cast<uint16_t>(MEM_INIT_BYTE_VAL) << 8) |

    static_cast<uint16_t>(MEM_INIT_BYTE_VAL);