system.hh revision 1070
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/loader/symtab.hh" 36#include "base/statistics.hh" 37#include "cpu/pc_event.hh" 38#include "kern/system_events.hh" 39#include "sim/sim_object.hh" 40 41class MemoryController; 42class PhysicalMemory; 43class Platform; 44class RemoteGDB; 45class GDBListener; 46class ObjectFile; 47class ExecContext; 48namespace Kernel { class Binning; } 49 50class System : public SimObject 51{ 52 public: 53 MemoryController *memctrl; 54 PhysicalMemory *physmem; 55 Platform *platform; 56 PCEventQueue pcEventQueue; 57 uint64_t init_param; 58 59 std::vector<ExecContext *> execContexts; 60 61 /** kernel Symbol table */ 62 SymbolTable *kernelSymtab; 63 64 /** console symbol table */ 65 SymbolTable *consoleSymtab; 66 67 /** Object pointer for the kernel code */ 68 ObjectFile *kernel; 69 70 /** Object pointer for the console code */ 71 ObjectFile *console; 72 73 /** Object pointer for the PAL code */ 74 ObjectFile *pal; 75 76 /** Begining of kernel code */ 77 Addr kernelStart; 78 79 /** End of kernel code */ 80 Addr kernelEnd; 81 82 /** Entry point in the kernel to start at */ 83 Addr kernelEntry; 84 85 Kernel::Binning *kernelBinning; 86 87#ifdef DEBUG 88 /** Event to halt the simulator if the console calls panic() */ 89 BreakPCEvent *consolePanicEvent; 90#endif 91 92 public: 93 std::vector<RemoteGDB *> remoteGDB; 94 std::vector<GDBListener *> gdbListen; 95 bool breakpoint(); 96 97 public: 98 struct Params 99 { 100 std::string name; 101 MemoryController *memctrl; 102 PhysicalMemory *physmem; 103 uint64_t init_param; 104 bool bin; 105 std::vector<std::string> binned_fns; 106 107 std::string kernel_path; 108 std::string console_path; 109 std::string palcode; 110 std::string boot_osflags; 111 112 std::string readfile; 113 uint64_t system_type; 114 uint64_t system_rev; 115 }; 116 Params *params; 117 118 System(Params *p); 119 ~System(); 120 121 public: 122 /** 123 * Returns the addess the kernel starts at. 124 * @return address the kernel starts at 125 */ 126 Addr getKernelStart() const { return kernelStart; } 127 128 /** 129 * Returns the addess the kernel ends at. 130 * @return address the kernel ends at 131 */ 132 Addr getKernelEnd() const { return kernelEnd; } 133 134 /** 135 * Returns the addess the entry point to the kernel code. 136 * @return entry point of the kernel code 137 */ 138 Addr getKernelEntry() const { return kernelEntry; } 139 140 int registerExecContext(ExecContext *xc); 141 void replaceExecContext(ExecContext *xc, int xcIndex); 142 143 void regStats(); 144 void serialize(std::ostream &os); 145 void unserialize(Checkpoint *cp, const std::string §ion); 146 147 public: 148 //////////////////////////////////////////// 149 // 150 // STATIC GLOBAL SYSTEM LIST 151 // 152 //////////////////////////////////////////// 153 154 static std::vector<System *> systemList; 155 static int numSystemsRunning; 156 157 static void printSystems(); 158}; 159 160#endif // __SYSTEM_HH__ 161