MemMappedPeriph.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_MEMMAPPEDPERIPH_H
#define ETISS_PLUGIN_MEMMAPPEDPERIPH_H
 
#include "etiss/Misc.h"
#include "etiss/IntegratedLibrary/SelectiveSysWrapper.h"
 
namespace etiss
{
 
namespace plugin
{
 
static inline etiss_uint8 unimpl_read()
{
    etiss::log(etiss::WARNING, "Unimplemented MemMappedPeriph read");
    return 0;
}
static inline void unimpl_write()
{
    etiss::log(etiss::WARNING, "Unimplemented MemMappedPeriph write");
}
 
struct MappedMemory
{
    uintptr_t base = 0;
    size_t size = 0;
};
 
class MemMappedPeriph : public etiss::plugin::SelectiveSysWrapper
{
  public:
    struct CustomHandle
    {
        ETISS_System *origSys = nullptr;
        MemMappedPeriph *mmp = nullptr;
        etiss_uint64 base = 0;
        etiss_uint64 end = 0;
    };
 
  public:
    virtual MappedMemory getMappedMem() const = 0;
 
    virtual etiss_uint8 read8(etiss_uint64 addr) { return unimpl_read(); }
    virtual etiss_uint16 read16(etiss_uint64 addr) { return unimpl_read(); }
    virtual etiss_uint32 read32(etiss_uint64 addr) { return unimpl_read(); }
    virtual etiss_uint64 read64(etiss_uint64 addr) { return unimpl_read(); }
    virtual void write8(etiss_uint64 addr, etiss_uint8 val) { unimpl_write(); }
    virtual void write16(etiss_uint64 addr, etiss_uint16 val) { unimpl_write(); }
    virtual void write32(etiss_uint64 addr, etiss_uint32 val) { unimpl_write(); }
    virtual void write64(etiss_uint64 addr, etiss_uint64 val) { unimpl_write(); }
 
    ETISS_System getWrapInfo(ETISS_System *origSystem) final;
 
  private:
    CustomHandle customHandle_;
};
 
} // namespace plugin
 
} // namespace etiss
 
#endif