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Annotation of nono/vm/sysctlr.h, revision 1.1

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2020 nono project
        !             4: // Licensed under nono-license.txt
        !             5: //
        !             6: 
        !             7: // LUNA88K のシステムコントローラのような何か
        !             8: 
        !             9: #pragma once
        !            10: 
        !            11: #include "device.h"
        !            12: 
        !            13: class SysCtlrDevice
        !            14:        : public IODevice
        !            15: {
        !            16:        using inherited = IODevice;
        !            17:  public:
        !            18:        SysCtlrDevice();
        !            19:        ~SysCtlrDevice() override;
        !            20: 
        !            21:        bool MonitorUpdate() override;
        !            22: 
        !            23:        uint64 Read32(uint32 addr) override;
        !            24:        uint64 Write32(uint32 addr, uint32 data) override;
        !            25:        uint64 Peek8(uint32 addr) override;
        !            26: 
        !            27:        uint8 GetIntMask(int id) const { return intmask[id]; }
        !            28:        void  TellIntLevel(int id, int level) { intlevel[id] |= level; }
        !            29:  private:
        !            30:        uint8 intmask[4] {};
        !            31:        // 発生した割り込みのレベルビットマップ
        !            32:        uint8 intlevel[4] {};
        !            33: };
        !            34: 
        !            35: extern std::unique_ptr<SysCtlrDevice> gSysCtlr;

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