84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
#pragma once
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#include <Project64-core\Settings\GameSettings.h>
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#include <Project64-core\Settings\DebugSettings.h>
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#include <Project64-core\Logging.h>
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#include "MemoryHandler.h"
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#include <stdint.h>
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class PeripheralInterfaceReg
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{
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protected:
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PeripheralInterfaceReg(uint32_t * PeripheralInterface);
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public:
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uint32_t & PI_DRAM_ADDR_REG;
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uint32_t & PI_CART_ADDR_REG;
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uint32_t & PI_RD_LEN_REG;
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uint32_t & PI_WR_LEN_REG;
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uint32_t & PI_STATUS_REG;
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uint32_t & PI_BSD_DOM1_LAT_REG;
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uint32_t & PI_DOMAIN1_REG;
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uint32_t & PI_BSD_DOM1_PWD_REG;
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uint32_t & PI_BSD_DOM1_PGS_REG;
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uint32_t & PI_BSD_DOM1_RLS_REG;
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uint32_t & PI_BSD_DOM2_LAT_REG;
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uint32_t & PI_DOMAIN2_REG;
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uint32_t & PI_BSD_DOM2_PWD_REG;
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uint32_t & PI_BSD_DOM2_PGS_REG;
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uint32_t & PI_BSD_DOM2_RLS_REG;
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private:
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PeripheralInterfaceReg();
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PeripheralInterfaceReg(const PeripheralInterfaceReg&);
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PeripheralInterfaceReg& operator=(const PeripheralInterfaceReg&);
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};
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class CRegisters;
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class CMipsMemoryVM;
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class CartridgeDomain2Address2Handler;
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// Peripheral interface flags
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enum
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{
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PI_STATUS_DMA_BUSY = 0x01,
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PI_STATUS_IO_BUSY = 0x02,
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PI_STATUS_ERROR = 0x04,
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PI_STATUS_INTERRUPT = 0x08,
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PI_SET_RESET = 0x01,
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PI_CLR_INTR = 0x02,
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};
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class PeripheralInterfaceHandler :
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public MemoryHandler,
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private CGameSettings,
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private CDebugSettings,
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private CLogging,
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private PeripheralInterfaceReg,
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private MIPSInterfaceReg
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{
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public:
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PeripheralInterfaceHandler(CN64System & System, CMipsMemoryVM & MMU, CRegisters & Reg, CartridgeDomain2Address2Handler & Domain2Address2Handler);
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bool Read32(uint32_t Address, uint32_t & Value);
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bool Write32(uint32_t Address, uint32_t Value, uint32_t Mask);
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private:
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PeripheralInterfaceHandler();
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PeripheralInterfaceHandler(const PeripheralInterfaceHandler &);
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PeripheralInterfaceHandler & operator=(const PeripheralInterfaceHandler &);
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static void stSystemReset(PeripheralInterfaceHandler * _this) { _this->SystemReset(); }
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void PI_DMA_READ();
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void PI_DMA_WRITE();
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void SystemReset(void);
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void OnFirstDMA();
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void ReadBlock(uint32_t Address, uint8_t * Block, uint32_t BlockLen);
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CartridgeDomain2Address2Handler & m_Domain2Address2Handler;
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CMipsMemoryVM & m_MMU;
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CRegisters & m_Reg;
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uint32_t & m_PC;
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};
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