intmessage.hh revision 5736
15651Sgblack@eecs.umich.edu/* 25651Sgblack@eecs.umich.edu * Copyright (c) 2008 The Regents of The University of Michigan 35651Sgblack@eecs.umich.edu * All rights reserved. 45651Sgblack@eecs.umich.edu * 55651Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 65651Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 75651Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 85651Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 95651Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 105651Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 115651Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 125651Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 135651Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 145651Sgblack@eecs.umich.edu * this software without specific prior written permission. 155651Sgblack@eecs.umich.edu * 165651Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175651Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185651Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195651Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205651Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215651Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225651Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235651Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245651Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255651Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265651Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275651Sgblack@eecs.umich.edu * 285651Sgblack@eecs.umich.edu * Authors: Gabe Black 295651Sgblack@eecs.umich.edu */ 305651Sgblack@eecs.umich.edu 315651Sgblack@eecs.umich.edu#ifndef __ARCH_X86_INTMESSAGE_HH__ 325651Sgblack@eecs.umich.edu#define __ARCH_X86_INTMESSAGE_HH__ 335651Sgblack@eecs.umich.edu 345651Sgblack@eecs.umich.edu#include "arch/x86/x86_traits.hh" 355651Sgblack@eecs.umich.edu#include "base/bitunion.hh" 365651Sgblack@eecs.umich.edu#include "mem/packet.hh" 375651Sgblack@eecs.umich.edu#include "mem/request.hh" 385651Sgblack@eecs.umich.edu#include "sim/host.hh" 395651Sgblack@eecs.umich.edu 405651Sgblack@eecs.umich.edunamespace X86ISA 415651Sgblack@eecs.umich.edu{ 425651Sgblack@eecs.umich.edu BitUnion32(TriggerIntMessage) 435651Sgblack@eecs.umich.edu Bitfield<7, 0> destination; 445651Sgblack@eecs.umich.edu Bitfield<15, 8> vector; 455651Sgblack@eecs.umich.edu Bitfield<18, 16> deliveryMode; 465651Sgblack@eecs.umich.edu Bitfield<19> destMode; 475654Sgblack@eecs.umich.edu Bitfield<20> level; 485654Sgblack@eecs.umich.edu Bitfield<21> trigger; 495651Sgblack@eecs.umich.edu EndBitUnion(TriggerIntMessage) 505651Sgblack@eecs.umich.edu 515654Sgblack@eecs.umich.edu namespace DeliveryMode 525654Sgblack@eecs.umich.edu { 535654Sgblack@eecs.umich.edu enum IntDeliveryMode { 545654Sgblack@eecs.umich.edu Fixed = 0, 555654Sgblack@eecs.umich.edu LowestPriority = 1, 565654Sgblack@eecs.umich.edu SMI = 2, 575654Sgblack@eecs.umich.edu NMI = 4, 585654Sgblack@eecs.umich.edu INIT = 5, 595654Sgblack@eecs.umich.edu ExtInt = 7, 605654Sgblack@eecs.umich.edu NumModes 615654Sgblack@eecs.umich.edu }; 625654Sgblack@eecs.umich.edu 635654Sgblack@eecs.umich.edu static const char * const names[NumModes] = { 645654Sgblack@eecs.umich.edu "Fixed", "LowestPriority", "SMI", "Reserved", 655654Sgblack@eecs.umich.edu "NMI", "INIT", "Reserved", "ExtInt" 665654Sgblack@eecs.umich.edu }; 675654Sgblack@eecs.umich.edu 685654Sgblack@eecs.umich.edu static inline bool 695654Sgblack@eecs.umich.edu isReserved(int mode) 705654Sgblack@eecs.umich.edu { 715655Sgblack@eecs.umich.edu return mode == 3 || mode == 6; 725654Sgblack@eecs.umich.edu } 735654Sgblack@eecs.umich.edu } 745654Sgblack@eecs.umich.edu 755651Sgblack@eecs.umich.edu static const Addr TriggerIntOffset = 0; 765651Sgblack@eecs.umich.edu 775651Sgblack@eecs.umich.edu static inline PacketPtr 785651Sgblack@eecs.umich.edu prepIntRequest(const uint8_t id, Addr offset, Addr size) 795651Sgblack@eecs.umich.edu { 805651Sgblack@eecs.umich.edu RequestPtr req = new Request(x86InterruptAddress(id, offset), 815736Snate@binkert.org size, Request::UNCACHEABLE); 825651Sgblack@eecs.umich.edu PacketPtr pkt = new Packet(req, MemCmd::MessageReq, Packet::Broadcast); 835651Sgblack@eecs.umich.edu pkt->allocate(); 845651Sgblack@eecs.umich.edu return pkt; 855651Sgblack@eecs.umich.edu } 865651Sgblack@eecs.umich.edu 875651Sgblack@eecs.umich.edu template<class T> 885651Sgblack@eecs.umich.edu PacketPtr 895651Sgblack@eecs.umich.edu buildIntRequest(const uint8_t id, T payload, Addr offset, Addr size) 905651Sgblack@eecs.umich.edu { 915651Sgblack@eecs.umich.edu PacketPtr pkt = prepIntRequest(id, offset, size); 925651Sgblack@eecs.umich.edu pkt->set<T>(payload); 935651Sgblack@eecs.umich.edu return pkt; 945651Sgblack@eecs.umich.edu } 955651Sgblack@eecs.umich.edu 965651Sgblack@eecs.umich.edu static inline PacketPtr 975651Sgblack@eecs.umich.edu buildIntRequest(const uint8_t id, TriggerIntMessage payload) 985651Sgblack@eecs.umich.edu { 995651Sgblack@eecs.umich.edu return buildIntRequest(id, payload, TriggerIntOffset, 1005651Sgblack@eecs.umich.edu sizeof(TriggerIntMessage)); 1015651Sgblack@eecs.umich.edu } 1025651Sgblack@eecs.umich.edu 1035651Sgblack@eecs.umich.edu static inline PacketPtr 1045651Sgblack@eecs.umich.edu buildIntResponse() 1055651Sgblack@eecs.umich.edu { 1065651Sgblack@eecs.umich.edu panic("buildIntResponse not implemented.\n"); 1075651Sgblack@eecs.umich.edu } 1085651Sgblack@eecs.umich.edu} 1095651Sgblack@eecs.umich.edu 1105651Sgblack@eecs.umich.edu#endif 111