--- nono/vm/xiospace.h 2026/04/29 17:04:28 1.1 +++ nono/vm/xiospace.h 2026/04/29 17:05:10 1.1.1.9 @@ -1,32 +1,42 @@ // // nono -// Copyright (C) 2018 isaki@NetBSD.org +// Copyright (C) 2020 nono project +// Licensed under nono-license.txt +// + +// +// X68030 のメイン空間 ($000000-$FFFFFF) 担当 // #pragma once #include "device.h" +#include -class XIOSpaceDevice - : public IODevice +class XIOSpaceDevice : public IODevice { - typedef IODevice inherited; + using inherited = IODevice; public: XIOSpaceDevice(); - virtual ~XIOSpaceDevice(); + virtual ~XIOSpaceDevice() override; + + bool Init() override; - virtual uint64 Read8(uint32 addr); - virtual uint64 Read16(uint32 addr); - virtual uint64 Read32(uint32 addr); - virtual uint64 Write8(uint32 addr, uint32 data); - virtual uint64 Write16(uint32 addr, uint32 data); - virtual uint64 Write32(uint32 addr, uint32 data); - virtual uint64 Peek8(uint32 addr); + uint64 Read8(uint32 addr) override; + uint64 Read16(uint32 addr) override; + uint64 Read32(uint32 addr) override; + uint64 Write8(uint32 addr, uint32 data) override; + uint64 Write16(uint32 addr, uint32 data) override; + uint64 Write32(uint32 addr, uint32 data) override; + uint64 Peek8(uint32 addr) override; + + // ブートページを切り替える。 + void SwitchBootPage(bool isrom); private: // アドレス addr に対応する IODevice* を返す。 // addr は 24bit マスクされていること。 - inline IODevice *SearchDevice(uint32 addr) + inline IODevice *SearchDevice(uint32 addr) const { uint idx = addr / 8192; __assume(idx < 2048); @@ -35,5 +45,30 @@ class XIOSpaceDevice void AddDevice(IODevice *dev); - IODevice *table[2048] {}; + std::unique_ptr pAreaSet {}; + std::unique_ptr pCGROM {}; + std::unique_ptr pCRTC {}; + std::unique_ptr pDMAC {}; + std::unique_ptr pFDC {}; + std::unique_ptr pGVRAM {}; + std::unique_ptr pPEDEC {}; + std::unique_ptr pIPLROM1 {}; + std::unique_ptr pIPLROM2 {}; + std::unique_ptr pMFP {}; + std::unique_ptr pPlaneVRAM {}; + std::unique_ptr pPluto {}; + std::unique_ptr pPPI {}; + std::unique_ptr pPrinter {}; + std::unique_ptr pRTC {}; + std::unique_ptr pSCC {}; + std::unique_ptr pSRAM {}; + std::unique_ptr pSPC {}; + std::unique_ptr pSprite {}; + std::unique_ptr pSysport {}; + std::unique_ptr pVideoCtlr {}; + std::unique_ptr pOPM {}; + + std::array table {}; }; + +extern XIOSpaceDevice *gXIOSpace;