armv8_cpu.hh

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/*
 * Copyright (c) 2015, 2017 ARM Limited
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 *
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 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
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 * modified or unmodified, in source code or in binary form.
 *
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 * met: redistributions of source code must retain the above copyright
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 * redistributions in binary form must reproduce the above copyright
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#ifndef __ARCH_ARM_KVM_ARMV8_CPU_HH__
#define __ARCH_ARM_KVM_ARMV8_CPU_HH__

#include <set>
#include <vector>

#include "arch/arm/intregs.hh"
#include "arch/arm/kvm/base_cpu.hh"
#include "arch/arm/miscregs.hh"

struct ArmV8KvmCPUParams;

class ArmV8KvmCPU : public BaseArmKvmCPU
{
  public:
    ArmV8KvmCPU(ArmV8KvmCPUParams *params);
    virtual ~ArmV8KvmCPU();

    void startup() override;

    void dump() const override;

  protected:
    void updateKvmState() override;
    void updateThreadContext() override;

  protected:
    struct IntRegInfo {
        IntRegInfo(uint64_t _kvm, IntRegIndex _idx, const char *_name)
            : kvm(_kvm), idx(_idx), name(_name) {}

        uint64_t kvm;
        IntRegIndex idx;
        const char *name;
    };

    struct MiscRegInfo {
        MiscRegInfo(uint64_t _kvm, MiscRegIndex _idx, const char *_name,
                    bool _is_device = false)
            : kvm(_kvm), idx(_idx), name(_name), is_device(_is_device) {}

        uint64_t kvm;
        MiscRegIndex idx;
        const char *name;
        bool is_device;
    };

    const std::vector<ArmV8KvmCPU::MiscRegInfo> &getSysRegMap() const;

    static const std::vector<ArmV8KvmCPU::IntRegInfo> intRegMap;
    static const std::vector<ArmV8KvmCPU::MiscRegInfo> miscRegMap;
    static const std::set<MiscRegIndex> deviceRegSet;
    static const std::vector<ArmV8KvmCPU::MiscRegInfo> miscRegIdMap;

    mutable std::vector<ArmV8KvmCPU::MiscRegInfo> sysRegMap;
};

#endif // __ARCH_ARM_KVM_ARMV8_CPU_HH__