VirtualStructMemory.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_PLUGIN_VIRTUALSTRUCTMEMORY_H
#define ETISS_PLUGIN_VIRTUALSTRUCTMEMORY_H
 
#include "etiss/Misc.h"
#include "etiss/System.h"
#include "etiss/VirtualStruct.h"
 
namespace etiss
{
namespace plugin
{
 
class VirtualStructMemory : public SimpleSystem
{
  public:
    VirtualStructMemory(const etiss::VirtualStruct &str,
                        std::function<uint64_t(etiss::VirtualStruct::Field *, bool & /*dontMount*/)> mountPoint,
                        bool littleendian = true);
    virtual ~VirtualStructMemory();
 
    virtual bool read(bool debug, ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
    virtual bool write(bool debug, ETISS_CPU *cpu, etiss::uint64 addr, etiss::uint8 *buf, etiss::uint32 len);
 
    const etiss::VirtualStruct &mem_;
 
    typedef std::map<uint64_t, std::pair<etiss::VirtualStruct::Field * /*field*/, size_t /*offset*/>> mapping_t;
    inline const mapping_t &getMapping() { return memmap_; }
    std::set<etiss::VirtualStruct::Field *> getMappedFields();
 
    inline uint64_t startAddr() { return startaddr_; }
    inline uint64_t endAddr() { return endaddr_; }
 
  protected:
  private:
    uint64_t startaddr_;
    uint64_t endaddr_;
    mapping_t memmap_;
    std::list<std::shared_ptr<VirtualStruct::Field>> references;
};
 
} // namespace plugin
} // namespace etiss
 
#endif // ETISS_PLUGIN_VIRTUALSTRUCTMEMORY_H