100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
#pragma once
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#include "Card.h"
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#include <vector>
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class SlirpNet;
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struct Socket
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{
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uint16_t transmitBase;
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uint16_t transmitSize;
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uint16_t receiveBase;
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uint16_t receiveSize;
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uint16_t registers;
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uint16_t sn_rx_wr;
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uint16_t sn_rx_rsr;
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uint8_t sn_sr;
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int myFD;
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int myErrno;
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void clearFD();
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void setFD(const int fd, const int status);
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void process();
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bool isThereRoomFor(const size_t len, const size_t header) const;
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uint16_t getFreeRoom() const;
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Socket();
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~Socket();
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};
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class Uthernet2 : public Card
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{
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public:
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Uthernet2(UINT slot);
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virtual void InitializeIO(LPBYTE pCxRomPeripheral);
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virtual void Init();
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virtual void Reset(const bool powerCycle);
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virtual void Update(const ULONG nExecutedCycles);
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virtual void SaveSnapshot(YamlSaveHelper& yamlSaveHelper);
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virtual bool LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version);
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BYTE IO_C0(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles);
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private:
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std::vector<uint8_t> myMemory;
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std::vector<Socket> mySockets;
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uint8_t myModeRegister;
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uint16_t myDataAddress;
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std::shared_ptr<SlirpNet> mySlirp;
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void setSocketModeRegister(const size_t i, const uint16_t address, const uint8_t value);
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void setTXSizes(const uint16_t address, uint8_t value);
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void setRXSizes(const uint16_t address, uint8_t value);
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uint16_t getTXDataSize(const size_t i) const;
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uint8_t getTXFreeSizeRegister(const size_t i, const size_t shift) const;
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uint8_t getRXDataSizeRegister(const size_t i, const size_t shift) const;
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void receiveOnePacketMacRaw(const size_t i);
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void receiveOnePacketFromSocket(const size_t i);
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void receiveOnePacket(const size_t i);
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void sendDataMacRaw(const size_t i, const std::vector<uint8_t> & data) const;
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void sendDataToSocket(const size_t i, std::vector<uint8_t> & data);
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void sendData(const size_t i);
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void resetRXTXBuffers(const size_t i);
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void updateRSR(const size_t i);
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void openSystemSocket(const size_t i, const int type, const int protocol, const int state);
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void openSocket(const size_t i);
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void closeSocket(const size_t i);
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void connectSocket(const size_t i);
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void setCommandRegister(const size_t i, const uint8_t value);
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uint8_t readSocketRegister(const uint16_t address);
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uint8_t readValueAt(const uint16_t address);
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void autoIncrement();
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uint8_t readValue();
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void setIPProtocol(const size_t i, const uint16_t address, const uint8_t value);
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void setIPTypeOfService(const size_t i, const uint16_t address, const uint8_t value);
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void setIPTTL(const size_t i, const uint16_t address, const uint8_t value);
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void writeSocketRegister(const uint16_t address, const uint8_t value);
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void setModeRegister(const uint16_t address, const uint8_t value);
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void writeCommonRegister(const uint16_t address, const uint8_t value);
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void writeValueAt(const uint16_t address, const uint8_t value);
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void writeValue(const uint8_t value);
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void processEvents(uint32_t timeout);
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};
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