System.h

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// SPDX-License-Identifier: BSD-3-Clause
//
// This file is part of ETISS. It is licensed under the BSD 3-Clause License; you may not use this file except in
// compliance with the License. You should have received a copy of the license along with this project. If not, see the
// LICENSE file.
#ifndef ETISS_INCLUDE_SYSTEM_H_
#define ETISS_INCLUDE_SYSTEM_H_
 
#include "etiss/Misc.h"
#include "etiss/jit/ReturnCode.h"
 
#include <memory>
 
namespace etiss
{
class System
{
  public:
    inline virtual ~System() {}
 
    virtual etiss::int32 iread(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint32 len) = 0;
 
    virtual etiss::int32 iwrite(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
 
    virtual etiss::int32 dread(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
 
    virtual etiss::int32 dwrite(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
 
    virtual etiss::int32 dbg_read(etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
 
    virtual etiss::int32 dbg_write(etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
 
    virtual void syncTime(ETISS_CPU *cpu) = 0;
};
 
class SimpleSystem : public System
{
  public:
    inline virtual ~SimpleSystem() {}
    virtual etiss::int32 iread(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint32 len);
    virtual etiss::int32 iwrite(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
    virtual etiss::int32 dread(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
    virtual etiss::int32 dwrite(ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
    virtual etiss::int32 dbg_read(etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
    virtual etiss::int32 dbg_write(etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
    virtual void syncTime(ETISS_CPU *cpu);
 
    virtual bool read(bool debug, ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
    virtual bool write(bool debug, ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len) = 0;
};
 
extern std::shared_ptr<ETISS_System> wrap(etiss::System *sys);
 
} // namespace etiss
 
#endif