tsunami.hh revision 1113
1/* 2 * Copyright (c) 2004 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 29/** 30 * @file 31 * Declaration of top level class for the Tsunami chipset. This class just 32 * retains pointers to all its children so the children can communicate. 33 */ 34 35#ifndef __TSUNAMI_HH__ 36#define __TSUNAMI_HH__ 37 38#include "dev/platform.hh" 39 40class IdeController; 41class TlaserClock; 42class NSGigE; 43class TsunamiCChip; 44class TsunamiPChip; 45class TsunamiIO; 46class PciConfigAll; 47class System; 48 49/** 50 * Top level class for Tsunami Chipset emulation. 51 * This structure just contains pointers to all the 52 * children so the children can commnicate to do the 53 * read work 54 */ 55 56class Tsunami : public Platform 57{ 58 public: 59 60 /** Max number of CPUs in a Tsunami */ 61 static const int Max_CPUs = 4; 62 63 /** Pointer to the system */ 64 System *system; 65 66 /** Pointer to the TsunamiIO device which has the RTC */ 67 TsunamiIO *io; 68 69 /** Pointer to the Tsunami CChip. 70 * The chip contains some configuration information and 71 * all the interrupt mask and status registers 72 */ 73 TsunamiCChip *cchip; 74 75 /** Pointer to the Tsunami PChip. 76 * The pchip is the interface to the PCI bus, in our case 77 * it does not have to do much. 78 */ 79 TsunamiPChip *pchip; 80 81 int intr_sum_type[Tsunami::Max_CPUs]; 82 int ipi_pending[Tsunami::Max_CPUs]; 83 84 public: 85 /** 86 * Constructor for the Tsunami Class. 87 * @param name name of the object 88 * @param con pointer to the console 89 * @param intrcontrol pointer to the interrupt controller 90 * @param intrFreq frequency that interrupts happen 91 */ 92 Tsunami(const std::string &name, System *s, IntrControl *intctrl, 93 PciConfigAll *pci, int intrFreq); 94 95 /** 96 * Return the interrupting frequency to AlphaAccess 97 * @return frequency of RTC interrupts 98 */ 99 virtual Tick intrFrequency(); 100 101 /** 102 * Cause the cpu to post a serial interrupt to the CPU. 103 */ 104 virtual void postConsoleInt(); 105 106 /** 107 * Clear a posted CPU interrupt (id=55) 108 */ 109 virtual void clearConsoleInt(); 110 111 /** 112 * Serialize this object to the given output stream. 113 * @param os The stream to serialize to. 114 */ 115 virtual void serialize(std::ostream &os); 116 117 /** 118 * Reconstruct the state of this object from a checkpoint. 119 * @param cp The checkpoint use. 120 * @param section The section name of this object 121 */ 122 virtual void unserialize(Checkpoint *cp, const std::string §ion); 123}; 124 125#endif // __TSUNAMI_HH__ 126