system.hh revision 2358
12SN/A/* 21762SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu */ 282665Ssaidi@eecs.umich.edu 292665Ssaidi@eecs.umich.edu#ifndef __SYSTEM_HH__ 302SN/A#define __SYSTEM_HH__ 312SN/A 322SN/A#include <string> 332SN/A#include <vector> 342SN/A 3556SN/A#include "base/statistics.hh" 3656SN/A#include "base/loader/symtab.hh" 371954SN/A#include "cpu/pc_event.hh" 382SN/A#include "kern/system_events.hh" 392SN/A#include "sim/sim_object.hh" 402SN/A 412SN/Aclass BaseCPU; 422SN/Aclass ExecContext; 432SN/Aclass GDBListener; 442SN/Aclass MemoryController; 452SN/Aclass ObjectFile; 461296SN/Aclass PhysicalMemory; 472SN/Aclass Platform; 482SN/Aclass RemoteGDB; 492SN/Anamespace Kernel { class Binning; } 502SN/A 512SN/Aclass System : public SimObject 522SN/A{ 532SN/A public: 542SN/A MemoryController *memctrl; 552SN/A PhysicalMemory *physmem; 562SN/A Platform *platform; 572SN/A PCEventQueue pcEventQueue; 582SN/A uint64_t init_param; 591954SN/A 602SN/A std::vector<ExecContext *> execContexts; 612SN/A int numcpus; 622SN/A 632SN/A int getNumCPUs() 642SN/A { 651954SN/A if (numcpus != execContexts.size()) 662SN/A panic("cpu array not fully populated!"); 672SN/A 681954SN/A return numcpus; 691971SN/A } 701954SN/A 711954SN/A /** kernel symbol table */ 721971SN/A SymbolTable *kernelSymtab; 731954SN/A 741954SN/A /** Object pointer for the kernel code */ 751954SN/A ObjectFile *kernel; 761954SN/A 771971SN/A /** Begining of kernel code */ 781954SN/A Addr kernelStart; 791954SN/A 801971SN/A /** End of kernel code */ 811954SN/A Addr kernelEnd; 821954SN/A 831954SN/A /** Entry point in the kernel to start at */ 841954SN/A Addr kernelEntry; 852SN/A 862SN/A Kernel::Binning *kernelBinning; 872SN/A 882SN/A protected: 892SN/A 902SN/A /** 912SN/A * Fix up an address used to match PCs for hooking simulator 922SN/A * events on to target function executions. See comment in 932SN/A * system.cc for details. 941954SN/A */ 951954SN/A virtual Addr fixFuncEventAddr(Addr addr) = 0; 962SN/A 972SN/A /** 982SN/A * Add a function-based event to the given function, to be looked 992SN/A * up in the specified symbol table. 1002SN/A */ 101 template <class T> 102 T *System::addFuncEvent(SymbolTable *symtab, const char *lbl) 103 { 104 Addr addr = 0; // initialize only to avoid compiler warning 105 106 if (symtab->findAddress(lbl, addr)) { 107 T *ev = new T(&pcEventQueue, lbl, fixFuncEventAddr(addr)); 108 return ev; 109 } 110 111 return NULL; 112 } 113 114 /** Add a function-based event to kernel code. */ 115 template <class T> 116 T *System::addKernelFuncEvent(const char *lbl) 117 { 118 return addFuncEvent<T>(kernelSymtab, lbl); 119 } 120 121 public: 122 std::vector<RemoteGDB *> remoteGDB; 123 std::vector<GDBListener *> gdbListen; 124 virtual bool breakpoint() = 0; 125 126 public: 127 struct Params 128 { 129 std::string name; 130 Tick boot_cpu_frequency; 131 MemoryController *memctrl; 132 PhysicalMemory *physmem; 133 uint64_t init_param; 134 bool bin; 135 std::vector<std::string> binned_fns; 136 bool bin_int; 137 138 std::string kernel_path; 139 std::string readfile; 140 std::string symbolfile; 141 }; 142 143 protected: 144 Params *_params; 145 146 public: 147 System(Params *p); 148 ~System(); 149 150 void startup(); 151 152 const Params *params() const { return (const Params *)_params; } 153 154 public: 155 /** 156 * Returns the addess the kernel starts at. 157 * @return address the kernel starts at 158 */ 159 Addr getKernelStart() const { return kernelStart; } 160 161 /** 162 * Returns the addess the kernel ends at. 163 * @return address the kernel ends at 164 */ 165 Addr getKernelEnd() const { return kernelEnd; } 166 167 /** 168 * Returns the addess the entry point to the kernel code. 169 * @return entry point of the kernel code 170 */ 171 Addr getKernelEntry() const { return kernelEntry; } 172 173 int registerExecContext(ExecContext *xc, int xcIndex); 174 void replaceExecContext(ExecContext *xc, int xcIndex); 175 176 void regStats(); 177 void serialize(std::ostream &os); 178 void unserialize(Checkpoint *cp, const std::string §ion); 179 180 public: 181 //////////////////////////////////////////// 182 // 183 // STATIC GLOBAL SYSTEM LIST 184 // 185 //////////////////////////////////////////// 186 187 static std::vector<System *> systemList; 188 static int numSystemsRunning; 189 190 static void printSystems(); 191 192 193}; 194 195#endif // __SYSTEM_HH__ 196