tsunami.hh revision 11168:f98eb2da15a4
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 */ 30 31/** 32 * @file 33 * Declaration of top level class for the Tsunami chipset. This class just 34 * retains pointers to all its children so the children can communicate. 35 */ 36 37#ifndef __DEV_TSUNAMI_HH__ 38#define __DEV_TSUNAMI_HH__ 39 40#include "dev/platform.hh" 41#include "params/Tsunami.hh" 42 43class IdeController; 44class TsunamiCChip; 45class TsunamiPChip; 46class TsunamiIO; 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 /** Max number of CPUs in a Tsunami */ 60 static const int Max_CPUs = 64; 61 62 /** Pointer to the system */ 63 System *system; 64 65 /** Pointer to the TsunamiIO device which has the RTC */ 66 TsunamiIO *io; 67 68 /** Pointer to the Tsunami CChip. 69 * The chip contains some configuration information and 70 * all the interrupt mask and status registers 71 */ 72 TsunamiCChip *cchip; 73 74 /** Pointer to the Tsunami PChip. 75 * The pchip is the interface to the PCI bus, in our case 76 * it does not have to do much. 77 */ 78 TsunamiPChip *pchip; 79 80 int intr_sum_type[Tsunami::Max_CPUs]; 81 int ipi_pending[Tsunami::Max_CPUs]; 82 83 void init(); 84 85 public: 86 typedef TsunamiParams Params; 87 Tsunami(const Params *p); 88 89 /** 90 * Cause the cpu to post a serial interrupt to the CPU. 91 */ 92 virtual void postConsoleInt(); 93 94 /** 95 * Clear a posted CPU interrupt (id=55) 96 */ 97 virtual void clearConsoleInt(); 98 99 /** 100 * Cause the chipset to post a cpi interrupt to the CPU. 101 */ 102 virtual void postPciInt(int line); 103 104 /** 105 * Clear a posted PCI->CPU interrupt 106 */ 107 virtual void clearPciInt(int line); 108 109 110 virtual Addr pciToDma(Addr pciAddr) const; 111 112 /** 113 * Calculate the configuration address given a bus/dev/func. 114 */ 115 virtual Addr calcPciConfigAddr(int bus, int dev, int func); 116 117 /** 118 * Calculate the address for an IO location on the PCI bus. 119 */ 120 virtual Addr calcPciIOAddr(Addr addr); 121 122 /** 123 * Calculate the address for a memory location on the PCI bus. 124 */ 125 virtual Addr calcPciMemAddr(Addr addr); 126 127 void serialize(CheckpointOut &cp) const override; 128 void unserialize(CheckpointIn &cp) override; 129}; 130 131#endif // __DEV_TSUNAMI_HH__ 132