1/* 2 * Copyright (c) 2008 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 17 unchanged lines hidden (view full) --- 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 */ 30 31#ifndef __DEV_X86_I8042_HH__ 32#define __DEV_X86_I8042_HH__ 33 |
34#include <deque> |
35 36#include "dev/x86/intdev.hh" 37#include "dev/io_device.hh" 38#include "params/I8042.hh" 39 40namespace X86ISA 41{ 42 43class IntPin; 44 45class PS2Device 46{ 47 protected: |
48 std::deque<uint8_t> outBuffer; |
49 50 static const uint16_t NoCommand = (uint16_t)(-1); 51 52 uint16_t lastCommand; 53 void bufferData(const uint8_t *data, int size); 54 void ack(); 55 void nack(); 56 57 public: 58 virtual ~PS2Device() 59 {}; 60 61 PS2Device() : lastCommand(NoCommand) 62 {} 63 |
64 virtual void serialize(const std::string &base, CheckpointOut &cp) const; 65 virtual void unserialize(const std::string &base, CheckpointIn &cp); 66 |
67 bool hasData() 68 { 69 return !outBuffer.empty(); 70 } 71 72 uint8_t getData() 73 { 74 uint8_t data = outBuffer.front(); |
75 outBuffer.pop_front(); |
76 return data; 77 } 78 79 virtual bool processData(uint8_t data) = 0; 80}; 81 82class PS2Mouse : public PS2Device 83{ --- 31 unchanged lines hidden (view full) --- 115 uint8_t resolution; 116 uint8_t sampleRate; 117 public: 118 PS2Mouse() : PS2Device(), status(0), resolution(4), sampleRate(100) 119 {} 120 121 bool processData(uint8_t data); 122 |
123 void serialize(const std::string &base, 124 CheckpointOut &cp) const M5_ATTR_OVERRIDE; 125 void unserialize(const std::string &base, 126 CheckpointIn &cp) M5_ATTR_OVERRIDE; |
127}; 128 129class PS2Keyboard : public PS2Device 130{ 131 protected: 132 static const uint8_t ID[]; 133 134 enum Command --- 14 unchanged lines hidden (view full) --- 149 KeyToMakeRelease = 0xFC, 150 KeyToMakeOnly = 0xFD, 151 Resend = 0xFE, 152 Reset = 0xFF 153 }; 154 155 public: 156 bool processData(uint8_t data); |
157}; 158 159class I8042 : public BasicPioDevice 160{ 161 protected: 162 enum Command 163 { 164 GetCommandByte = 0x20, --- 79 unchanged lines hidden (view full) --- 244 I8042(Params *p); 245 246 AddrRangeList getAddrRanges() const; 247 248 Tick read(PacketPtr pkt); 249 250 Tick write(PacketPtr pkt); 251 |
252 void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE; |
253 void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE; 254}; 255 256} // namespace X86ISA 257 258#endif //__DEV_X86_I8042_HH__ |