malta.hh revision 6379
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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Ali Saidi 29 * Rick Strong 30 */ 31 32/** 33 * @file 34 * Declaration of top level class for the Malta chipset. This class just 35 * retains pointers to all its children so the children can communicate. 36 */ 37 38#ifndef __DEV_MALTA_HH__ 39#define __DEV_MALTA_HH__ 40 41#include "dev/platform.hh" 42#include "params/Malta.hh" 43 44class IdeController; 45class MaltaCChip; 46class MaltaPChip; 47class MaltaIO; 48class System; 49 50/** 51 * Top level class for Malta Chipset emulation. 52 * This structure just contains pointers to all the 53 * children so the children can commnicate to do the 54 * read work 55 */ 56 57class Malta : public Platform 58{ 59 public: 60 /** Max number of CPUs in a Malta */ 61 static const int Max_CPUs = 64; 62 63 /** Pointer to the system */ 64 System *system; 65 66 /** Pointer to the MaltaIO device which has the RTC */ 67 MaltaIO *io; 68 69 /** Pointer to the Malta CChip. 70 * The chip contains some configuration information and 71 * all the interrupt mask and status registers 72 */ 73 MaltaCChip *cchip; 74 75 /** Pointer to the Malta PChip. 76 * The pchip is the interface to the PCI bus, in our case 77 * it does not have to do much. 78 */ 79 MaltaPChip *pchip; 80 81 int intr_sum_type[Malta::Max_CPUs]; 82 int ipi_pending[Malta::Max_CPUs]; 83 84 public: 85 /** 86 * Constructor for the Malta Class. 87 * @param name name of the object 88 * @param s system the object belongs to 89 * @param intctrl pointer to the interrupt controller 90 */ 91 typedef MaltaParams Params; 92 Malta(const Params *p); 93 94 /** 95 * Return the interrupting frequency to MipsAccess 96 * @return frequency of RTC interrupts 97 */ 98 virtual Tick intrFrequency(); 99 100 /** 101 * Cause the cpu to post a serial interrupt to the CPU. 102 */ 103 virtual void postConsoleInt(); 104 105 /** 106 * Clear a posted CPU interrupt (id=55) 107 */ 108 virtual void clearConsoleInt(); 109 110 /** 111 * Cause the chipset to post a cpi interrupt to the CPU. 112 */ 113 virtual void postPciInt(int line); 114 115 /** 116 * Clear a posted PCI->CPU interrupt 117 */ 118 virtual void clearPciInt(int line); 119 120 121 virtual Addr pciToDma(Addr pciAddr) const; 122 123 Addr 124 calcPciConfigAddr(int bus, int dev, int func) 125 { 126 panic("Need implementation\n"); 127 M5_DUMMY_RETURN 128 } 129 130 Addr 131 calcPciIOAddr(Addr addr) 132 { 133 panic("Need implementation\n"); 134 M5_DUMMY_RETURN 135 } 136 137 Addr 138 calcPciMemAddr(Addr addr) 139 { 140 panic("Need implementation\n"); 141 M5_DUMMY_RETURN 142 } 143 144 /** 145 * Serialize this object to the given output stream. 146 * @param os The stream to serialize to. 147 */ 148 virtual void serialize(std::ostream &os); 149 150 /** 151 * Reconstruct the state of this object from a checkpoint. 152 * @param cp The checkpoint use. 153 * @param section The section name of this object 154 */ 155 virtual void unserialize(Checkpoint *cp, const std::string §ion); 156}; 157 158#endif // __DEV_MALTA_HH__ 159