i82094aa.hh revision 14295
15643Sgblack@eecs.umich.edu/* 25643Sgblack@eecs.umich.edu * Copyright (c) 2008 The Regents of The University of Michigan 35643Sgblack@eecs.umich.edu * All rights reserved. 45643Sgblack@eecs.umich.edu * 55643Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 65643Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 75643Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 85643Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 95643Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 105643Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 115643Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 125643Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 135643Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 145643Sgblack@eecs.umich.edu * this software without specific prior written permission. 155643Sgblack@eecs.umich.edu * 165643Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175643Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185643Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195643Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205643Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215643Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225643Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235643Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245643Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255643Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265643Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275643Sgblack@eecs.umich.edu * 285643Sgblack@eecs.umich.edu * Authors: Gabe Black 295643Sgblack@eecs.umich.edu */ 305643Sgblack@eecs.umich.edu 315643Sgblack@eecs.umich.edu#ifndef __DEV_X86_I82094AA_HH__ 325643Sgblack@eecs.umich.edu#define __DEV_X86_I82094AA_HH__ 335643Sgblack@eecs.umich.edu 348229Snate@binkert.org#include <map> 358229Snate@binkert.org 365643Sgblack@eecs.umich.edu#include "base/bitunion.hh" 378229Snate@binkert.org#include "dev/x86/intdev.hh" 3814290Sgabeblack@google.com#include "dev/intpin.hh" 395643Sgblack@eecs.umich.edu#include "dev/io_device.hh" 405643Sgblack@eecs.umich.edu#include "params/I82094AA.hh" 415643Sgblack@eecs.umich.edu 425643Sgblack@eecs.umich.edunamespace X86ISA 435643Sgblack@eecs.umich.edu{ 445643Sgblack@eecs.umich.edu 455657Sgblack@eecs.umich.educlass I8259; 466137Sgblack@eecs.umich.educlass Interrupts; 475657Sgblack@eecs.umich.edu 489807Sstever@gmail.comclass I82094AA : public BasicPioDevice, public IntDevice 495643Sgblack@eecs.umich.edu{ 505643Sgblack@eecs.umich.edu public: 515643Sgblack@eecs.umich.edu BitUnion64(RedirTableEntry) 525643Sgblack@eecs.umich.edu Bitfield<63, 32> topDW; 535643Sgblack@eecs.umich.edu Bitfield<55, 32> topReserved; 545643Sgblack@eecs.umich.edu Bitfield<31, 0> bottomDW; 555643Sgblack@eecs.umich.edu Bitfield<31, 17> bottomReserved; 565643Sgblack@eecs.umich.edu Bitfield<63, 56> dest; 575643Sgblack@eecs.umich.edu Bitfield<16> mask; 585643Sgblack@eecs.umich.edu Bitfield<15> trigger; 595643Sgblack@eecs.umich.edu Bitfield<14> remoteIRR; 605643Sgblack@eecs.umich.edu Bitfield<13> polarity; 615643Sgblack@eecs.umich.edu Bitfield<12> deliveryStatus; 625643Sgblack@eecs.umich.edu Bitfield<11> destMode; 635643Sgblack@eecs.umich.edu Bitfield<10, 8> deliveryMode; 645643Sgblack@eecs.umich.edu Bitfield<7, 0> vector; 655643Sgblack@eecs.umich.edu EndBitUnion(RedirTableEntry) 665643Sgblack@eecs.umich.edu 675643Sgblack@eecs.umich.edu protected: 685657Sgblack@eecs.umich.edu I8259 * extIntPic; 695657Sgblack@eecs.umich.edu 705643Sgblack@eecs.umich.edu uint8_t regSel; 716136Sgblack@eecs.umich.edu uint8_t initialApicId; 725643Sgblack@eecs.umich.edu uint8_t id; 735643Sgblack@eecs.umich.edu uint8_t arbId; 745643Sgblack@eecs.umich.edu 756139Sgblack@eecs.umich.edu uint64_t lowestPriorityOffset; 766139Sgblack@eecs.umich.edu 775643Sgblack@eecs.umich.edu static const uint8_t TableSize = 24; 785643Sgblack@eecs.umich.edu // This implementation is based on version 0x11, but 0x14 avoids having 795643Sgblack@eecs.umich.edu // to deal with the arbitration and APIC bus guck. 805643Sgblack@eecs.umich.edu static const uint8_t APICVersion = 0x14; 815643Sgblack@eecs.umich.edu 825643Sgblack@eecs.umich.edu RedirTableEntry redirTable[TableSize]; 835827Sgblack@eecs.umich.edu bool pinStates[TableSize]; 845643Sgblack@eecs.umich.edu 8514291Sgabeblack@google.com std::vector<IntSinkPin<I82094AA> *> inputs; 8614290Sgabeblack@google.com 875643Sgblack@eecs.umich.edu public: 885643Sgblack@eecs.umich.edu typedef I82094AAParams Params; 895643Sgblack@eecs.umich.edu 905643Sgblack@eecs.umich.edu const Params * 915643Sgblack@eecs.umich.edu params() const 925643Sgblack@eecs.umich.edu { 935643Sgblack@eecs.umich.edu return dynamic_cast<const Params *>(_params); 945643Sgblack@eecs.umich.edu } 955643Sgblack@eecs.umich.edu 965643Sgblack@eecs.umich.edu I82094AA(Params *p); 975643Sgblack@eecs.umich.edu 9811175Sandreas.hansson@arm.com void init() override; 997913SBrad.Beckmann@amd.com 10011175Sandreas.hansson@arm.com Tick read(PacketPtr pkt) override; 10111175Sandreas.hansson@arm.com Tick write(PacketPtr pkt) override; 1025643Sgblack@eecs.umich.edu 1035643Sgblack@eecs.umich.edu void writeReg(uint8_t offset, uint32_t value); 1045643Sgblack@eecs.umich.edu uint32_t readReg(uint8_t offset); 1055643Sgblack@eecs.umich.edu 10613784Sgabeblack@google.com Port &getPort(const std::string &if_name, 10713784Sgabeblack@google.com PortID idx=InvalidPortID) override; 1085651Sgblack@eecs.umich.edu 10914295Sgabeblack@google.com bool recvResponse(PacketPtr pkt) override; 11011144Sjthestness@gmail.com 11114290Sgabeblack@google.com void signalInterrupt(int line); 11214290Sgabeblack@google.com void raiseInterruptPin(int number); 11314290Sgabeblack@google.com void lowerInterruptPin(int number); 1147903Shestness@cs.utexas.edu 11511168Sandreas.hansson@arm.com void serialize(CheckpointOut &cp) const override; 11611168Sandreas.hansson@arm.com void unserialize(CheckpointIn &cp) override; 1175643Sgblack@eecs.umich.edu}; 1185643Sgblack@eecs.umich.edu 1197811Ssteve.reinhardt@amd.com} // namespace X86ISA 1205643Sgblack@eecs.umich.edu 1215643Sgblack@eecs.umich.edu#endif //__DEV_X86_SOUTH_BRIDGE_I8254_HH__ 122