1/* 2 * Copyright (c) 2004-2005 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; --- 25 unchanged lines hidden (view full) --- 34#include "dev/io_device.hh" 35#include "dev/x86/intdev.hh" 36#include "params/I8259.hh" 37#include "enums/X86I8259CascadeMode.hh" 38 39namespace X86ISA 40{ 41 |
42class I82094AA; 43 |
44class I8259 : public BasicPioDevice, public IntDev 45{ 46 protected: |
47 static const int NumLines = 8; 48 |
49 Tick latency; 50 IntPin *output; 51 Enums::X86I8259CascadeMode mode; |
52 I8259 * slave; |
53 54 // Interrupt Request Register 55 uint8_t IRR; 56 // In Service Register 57 uint8_t ISR; 58 // Interrupt Mask Register 59 uint8_t IMR; 60 --- 16 unchanged lines hidden (view full) --- 77 typedef I8259Params Params; 78 79 const Params * 80 params() const 81 { 82 return dynamic_cast<const Params *>(_params); 83 } 84 |
85 I8259(Params * p); 86 87 void 88 setSlave(I8259 * _slave) |
89 { |
90 slave = _slave; |
91 } 92 93 Tick read(PacketPtr pkt); |
94 Tick write(PacketPtr pkt); 95 96 void signalInterrupt(int line); |
97 int getVector(); |
98}; 99 100}; // namespace X86ISA 101 102#endif //__DEV_X86_I8259_HH__ |