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https://github.com/libretro/Play-.git
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196 lines
3.6 KiB
C++
196 lines
3.6 KiB
C++
#pragma once
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#include "Types.h"
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#include "zip/ZipArchiveWriter.h"
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#include "zip/ZipArchiveReader.h"
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#include "Dmac_Channel.h"
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class CMIPS;
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class CDMAC
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{
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public:
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friend class Dmac::CChannel;
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enum CHANNEL_ID
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{
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CHANNEL_ID_VIF0,
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CHANNEL_ID_VIF1,
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CHANNEL_ID_GIF,
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CHANNEL_ID_FROM_IPU,
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CHANNEL_ID_TO_IPU,
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CHANNEL_ID_SIF0,
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CHANNEL_ID_SIF1,
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CHANNEL_ID_SIF2,
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CHANNEL_ID_FROM_SPR,
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CHANNEL_ID_TO_SPR
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};
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enum REGISTER
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{
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D0_CHCR = 0x10008000,
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D0_MADR = 0x10008010,
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D0_QWC = 0x10008020,
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D0_TADR = 0x10008030,
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D1_CHCR = 0x10009000,
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D1_MADR = 0x10009010,
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D1_QWC = 0x10009020,
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D1_TADR = 0x10009030,
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D2_CHCR = 0x1000A000,
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D2_MADR = 0x1000A010,
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D2_QWC = 0x1000A020,
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D2_TADR = 0x1000A030,
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D3_CHCR = 0x1000B000,
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D3_MADR = 0x1000B010,
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D3_QWC = 0x1000B020,
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D4_CHCR = 0x1000B400,
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D4_MADR = 0x1000B410,
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D4_QWC = 0x1000B420,
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D4_TADR = 0x1000B430,
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D5_CHCR = 0x1000C000,
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D5_MADR = 0x1000C010,
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D5_QWC = 0x1000C020,
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D6_CHCR = 0x1000C400,
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D6_MADR = 0x1000C410,
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D6_QWC = 0x1000C420,
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D6_TADR = 0x1000C430,
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D8_CHCR = 0x1000D000,
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D8_MADR = 0x1000D010,
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D8_QWC = 0x1000D020,
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D8_SADR = 0x1000D080,
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D9_CHCR = 0x1000D400,
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D9_MADR = 0x1000D410,
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D9_QWC = 0x1000D420,
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D9_TADR = 0x1000D430,
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D9_SADR = 0x1000D480,
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D_CTRL = 0x1000E000,
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D_STAT = 0x1000E010,
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D_PCR = 0x1000E020,
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D_SQWC = 0x1000E030,
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D_RBSR = 0x1000E040,
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D_RBOR = 0x1000E050,
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D_STADR = 0x1000E060,
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D_ENABLER = 0x1000F520,
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D_ENABLEW = 0x1000F590,
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};
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enum CHCR_BIT
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{
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CHCR_STR = 0x100,
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};
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enum ENABLE_BIT
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{
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ENABLE_CPND = 0x10000,
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};
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CDMAC(uint8*, uint8*, uint8*, CMIPS&);
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virtual ~CDMAC() = default;
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void Reset();
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void SetChannelTransferFunction(unsigned int, const Dmac::DmaReceiveHandler&);
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uint32 GetRegister(uint32);
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void SetRegister(uint32, uint32);
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void LoadState(Framework::CZipArchiveReader&);
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void SaveState(Framework::CZipArchiveWriter&);
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void DisassembleGet(uint32);
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void DisassembleSet(uint32, uint32);
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bool IsInterruptPending();
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void ResumeDMA0();
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void ResumeDMA1();
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void ResumeDMA2();
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uint32 ResumeDMA3(const void*, uint32);
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void ResumeDMA4();
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void ResumeDMA8();
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bool IsDMA4Started() const;
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static bool IsEndSrcTagId(uint32);
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private:
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struct D_CTRL_REG : public convertible<uint32>
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{
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unsigned int dmae : 1;
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unsigned int rele : 1;
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unsigned int mfd : 2;
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unsigned int sts : 2;
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unsigned int std : 2;
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unsigned int rcyc : 3;
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unsigned int reserved : 21;
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};
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static_assert(sizeof(D_CTRL_REG) == sizeof(uint32), "Size of D_CTRL_REG struct must be 4 bytes.");
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struct D_SQWC_REG : public convertible<uint32>
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{
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unsigned int sqwc : 8;
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unsigned int reserved0 : 8;
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unsigned int tqwc : 8;
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unsigned int reserved1 : 8;
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};
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static_assert(sizeof(D_SQWC_REG) == sizeof(uint32), "Size of D_SQWC_REG struct must be 4 bytes.");
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uint64 FetchDMATag(uint32);
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uint32 ReceiveDMA8(uint32, uint32, uint32, bool);
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uint32 ReceiveDMA9(uint32, uint32, uint32, bool);
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void UpdateCpCond();
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D_CTRL_REG m_D_CTRL;
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uint32 m_D_STAT;
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uint32 m_D_ENABLE;
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uint32 m_D_PCR;
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D_SQWC_REG m_D_SQWC;
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uint32 m_D_RBSR;
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uint32 m_D_RBOR;
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uint32 m_D_STADR;
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Dmac::CChannel m_D0;
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Dmac::CChannel m_D1;
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Dmac::CChannel m_D2;
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uint32 m_D3_CHCR;
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uint32 m_D3_MADR;
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uint32 m_D3_QWC;
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Dmac::CChannel m_D4;
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uint32 m_D5_CHCR;
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uint32 m_D5_MADR;
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uint32 m_D5_QWC;
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uint32 m_D6_CHCR;
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uint32 m_D6_MADR;
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uint32 m_D6_QWC;
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uint32 m_D6_TADR;
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Dmac::CChannel m_D8;
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uint32 m_D8_SADR;
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Dmac::CChannel m_D9;
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uint32 m_D9_SADR;
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uint8* m_ram;
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uint8* m_spr;
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uint8* m_vuMem0;
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CMIPS& m_ee;
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Dmac::DmaReceiveHandler m_receiveDma5;
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Dmac::DmaReceiveHandler m_receiveDma6;
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};
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