system.hh revision 312
1/* 2 * Copyright (c) 2003 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#ifndef __SYSTEM_HH__ 30#define __SYSTEM_HH__ 31 32#include <string> 33#include <vector> 34 35#include "sim/sim_object.hh" 36#include "cpu/pc_event.hh" 37#include "base/loader/symtab.hh" 38 39#ifdef FS_MEASURE 40#include "base/statistics.hh" 41#include "sim/sw_context.hh" 42#endif 43 44class MemoryController; 45class PhysicalMemory; 46class RemoteGDB; 47class GDBListener; 48 49class ExecContext; 50 51class System : public SimObject 52{ 53#ifdef FS_MEASURE 54 protected: 55 std::map<const std::string, Statistics::GenBin *> fnBins; 56 std::map<const Addr, SWContext *> swCtxMap; 57#endif //FS_MEASURE 58 59 public: 60 const uint64_t init_param; 61 MemoryController *memCtrl; 62 PhysicalMemory *physmem; 63 bool bin; 64 65 PCEventQueue pcEventQueue; 66 67 std::vector<ExecContext *> execContexts; 68 69 virtual int registerExecContext(ExecContext *xc); 70 virtual void replaceExecContext(int xcIndex, ExecContext *xc); 71 72#ifdef FS_MEASURE 73 Statistics::Scalar<Counter, Statistics::MainBin> fnCalls; 74 Statistics::MainBin *nonPath; 75#endif //FS_MEASURE 76 77 public: 78 System(const std::string _name, const uint64_t _init_param, 79 MemoryController *, PhysicalMemory *, const bool); 80 ~System(); 81 82 virtual Addr getKernelStart() const = 0; 83 virtual Addr getKernelEnd() const = 0; 84 virtual Addr getKernelEntry() const = 0; 85 virtual bool breakpoint() = 0; 86 87#ifdef FS_MEASURE 88 Statistics::GenBin * getBin(const std::string &name); 89 virtual bool findCaller(std::string, std::string) const = 0; 90 91 SWContext *findContext(Addr pcb); 92 bool addContext(Addr pcb, SWContext *ctx) { 93 return (swCtxMap.insert(make_pair(pcb, ctx))).second; 94 } 95 void remContext(Addr pcb) { 96 swCtxMap.erase(pcb); 97 return; 98 } 99 100 virtual void dumpState(ExecContext *xc) const = 0; 101#endif //FS_MEASURE 102 103 public: 104 //////////////////////////////////////////// 105 // 106 // STATIC GLOBAL SYSTEM LIST 107 // 108 //////////////////////////////////////////// 109 110 static std::vector<System *> systemList; 111 static int numSystemsRunning; 112 113 static void printSystems(); 114}; 115 116#endif // __SYSTEM_HH__ 117