thread_context.hh

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/*
 * Copyright 2019 Google, Inc.
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * Authors: Gabe Black
 */

#ifndef __ARCH_ARM_FASTMODEL_CORTEXA76_THREAD_CONTEXT_HH__
#define __ARCH_ARM_FASTMODEL_CORTEXA76_THREAD_CONTEXT_HH__

#include "arch/arm/fastmodel/iris/thread_context.hh"

namespace FastModel
{

// This ThreadContext class translates accesses to state using gem5's native
// to the Iris API. This includes extracting and translating register indices.
class CortexA76TC : public Iris::ThreadContext
{
  protected:
    static IdxNameMap miscRegIdxNameMap;
    static IdxNameMap intReg32IdxNameMap;
    static IdxNameMap intReg64IdxNameMap;
    static IdxNameMap flattenedIntIdxNameMap;
    static IdxNameMap ccRegIdxNameMap;
    static IdxNameMap vecRegIdxNameMap;
    static iris::MemorySpaceId bpSpaceId;

  public:
    CortexA76TC(::BaseCPU *cpu, int id, System *system,
                ::BaseTLB *dtb, ::BaseTLB *itb,
                iris::IrisConnectionInterface *iris_if,
                const std::string &iris_path);

    bool translateAddress(Addr &paddr, Addr vaddr) override;

    void initFromIrisInstance(const ResourceMap &resources) override;

    RegVal readIntRegFlat(RegIndex idx) const override;
    void setIntRegFlat(RegIndex idx, RegVal val) override;

    RegVal readCCRegFlat(RegIndex idx) const override;
    void setCCRegFlat(RegIndex idx, RegVal val) override;

    iris::MemorySpaceId getBpSpaceId(Addr pc) const override;
};

} // namespace FastModel

#endif // __ARCH_ARM_FASTMODEL_CORTEXA76_THREAD_CONTEXT_HH__