system.hh revision 1634
1/* 2 * Copyright (c) 2002-2004 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#ifndef __SYSTEM_HH__ 30#define __SYSTEM_HH__ 31 32#include <string> 33#include <vector> 34 35#include "base/statistics.hh" 36#include "cpu/pc_event.hh" 37#include "kern/system_events.hh" 38#include "sim/sim_object.hh" 39 40class BaseCPU; 41class ExecContext; 42class GDBListener; 43class MemoryController; 44class ObjectFile; 45class PhysicalMemory; 46class Platform; 47class RemoteGDB; 48class SymbolTable; 49namespace Kernel { class Binning; } 50 51class System : public SimObject 52{ 53 public: 54 MemoryController *memctrl; 55 PhysicalMemory *physmem; 56 Platform *platform; 57 PCEventQueue pcEventQueue; 58 uint64_t init_param; 59 60 std::vector<ExecContext *> execContexts; 61 62 /** kernel Symbol table */ 63 SymbolTable *kernelSymtab; 64 65 /** console symbol table */ 66 SymbolTable *consoleSymtab; 67 68 /** pal symbol table */ 69 SymbolTable *palSymtab; 70 71 /** Object pointer for the kernel code */ 72 ObjectFile *kernel; 73 74 /** Object pointer for the console code */ 75 ObjectFile *console; 76 77 /** Object pointer for the PAL code */ 78 ObjectFile *pal; 79 80 /** Begining of kernel code */ 81 Addr kernelStart; 82 83 /** End of kernel code */ 84 Addr kernelEnd; 85 86 /** Entry point in the kernel to start at */ 87 Addr kernelEntry; 88 89 Kernel::Binning *kernelBinning; 90 91#ifdef DEBUG 92 /** Event to halt the simulator if the console calls panic() */ 93 BreakPCEvent *consolePanicEvent; 94#endif 95 96 public: 97 std::vector<RemoteGDB *> remoteGDB; 98 std::vector<GDBListener *> gdbListen; 99 bool breakpoint(); 100 101 public: 102 struct Params 103 { 104 std::string name; 105 Tick boot_cpu_frequency; 106 MemoryController *memctrl; 107 PhysicalMemory *physmem; 108 uint64_t init_param; 109 bool bin; 110 std::vector<std::string> binned_fns; 111 bool bin_int; 112 113 std::string kernel_path; 114 std::string console_path; 115 std::string palcode; 116 std::string boot_osflags; 117 118 std::string readfile; 119 uint64_t system_type; 120 uint64_t system_rev; 121 }; 122 Params *params; 123 124 System(Params *p); 125 ~System(); 126 127 void startup(); 128 129 public: 130 /** 131 * Returns the addess the kernel starts at. 132 * @return address the kernel starts at 133 */ 134 Addr getKernelStart() const { return kernelStart; } 135 136 /** 137 * Returns the addess the kernel ends at. 138 * @return address the kernel ends at 139 */ 140 Addr getKernelEnd() const { return kernelEnd; } 141 142 /** 143 * Returns the addess the entry point to the kernel code. 144 * @return entry point of the kernel code 145 */ 146 Addr getKernelEntry() const { return kernelEntry; } 147 148 int registerExecContext(ExecContext *xc); 149 void replaceExecContext(ExecContext *xc, int xcIndex); 150 151 void regStats(); 152 void serialize(std::ostream &os); 153 void unserialize(Checkpoint *cp, const std::string §ion); 154 155 public: 156 //////////////////////////////////////////// 157 // 158 // STATIC GLOBAL SYSTEM LIST 159 // 160 //////////////////////////////////////////// 161 162 static std::vector<System *> systemList; 163 static int numSystemsRunning; 164 165 static void printSystems(); 166}; 167 168#endif // __SYSTEM_HH__ 169