system.hh revision 2650
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. 272SN/A */ 282SN/A 292SN/A#ifndef __SYSTEM_HH__ 302SN/A#define __SYSTEM_HH__ 312SN/A 322SN/A#include <string> 3375SN/A#include <vector> 342SN/A 352439SN/A#include "base/loader/symtab.hh" 362439SN/A#include "base/misc.hh" 37603SN/A#include "base/statistics.hh" 38603SN/A#include "cpu/pc_event.hh" 392520SN/A#include "mem/port.hh" 402378SN/A#include "sim/sim_object.hh" 412378SN/A#if FULL_SYSTEM 42722SN/A#include "kern/system_events.hh" 432521SN/A#include "mem/vport.hh" 442378SN/A#endif 45312SN/A 461634SN/Aclass BaseCPU; 471634SN/Aclass ExecContext; 481634SN/Aclass ObjectFile; 492521SN/Aclass PhysicalMemory; 502378SN/A 512378SN/A#if FULL_SYSTEM 52803SN/Aclass Platform; 532378SN/Aclass GDBListener; 542SN/Aclass RemoteGDB; 551070SN/Anamespace Kernel { class Binning; } 562378SN/A#endif 572SN/A 582SN/Aclass System : public SimObject 592SN/A{ 60603SN/A public: 612521SN/A PhysicalMemory *physmem; 622SN/A PCEventQueue pcEventQueue; 632SN/A 64180SN/A std::vector<ExecContext *> execContexts; 651806SN/A int numcpus; 661806SN/A 671806SN/A int getNumCPUs() 681806SN/A { 691806SN/A if (numcpus != execContexts.size()) 701806SN/A panic("cpu array not fully populated!"); 711806SN/A 721806SN/A return numcpus; 731806SN/A } 74180SN/A 752378SN/A#if FULL_SYSTEM 762378SN/A Platform *platform; 772378SN/A uint64_t init_param; 782378SN/A 792520SN/A /** Port to physical memory used for writing object files into ram at 802520SN/A * boot.*/ 812520SN/A FunctionalPort functionalPort; 822521SN/A VirtualPort virtPort; 832520SN/A 841885SN/A /** kernel symbol table */ 851070SN/A SymbolTable *kernelSymtab; 86954SN/A 871070SN/A /** Object pointer for the kernel code */ 881070SN/A ObjectFile *kernel; 891070SN/A 901070SN/A /** Begining of kernel code */ 911070SN/A Addr kernelStart; 921070SN/A 931070SN/A /** End of kernel code */ 941070SN/A Addr kernelEnd; 951070SN/A 961070SN/A /** Entry point in the kernel to start at */ 971070SN/A Addr kernelEntry; 981070SN/A 991070SN/A Kernel::Binning *kernelBinning; 1001070SN/A 1012378SN/A#else 1022378SN/A 1032378SN/A int page_ptr; 1042378SN/A 1052378SN/A 1062378SN/A#endif // FULL_SYSTEM 1072378SN/A 1081885SN/A protected: 1091885SN/A 1102424SN/A#if FULL_SYSTEM 1111885SN/A /** 1121885SN/A * Fix up an address used to match PCs for hooking simulator 1131885SN/A * events on to target function executions. See comment in 1141885SN/A * system.cc for details. 1151885SN/A */ 1162158SN/A virtual Addr fixFuncEventAddr(Addr addr) = 0; 1171885SN/A 1181885SN/A /** 1191885SN/A * Add a function-based event to the given function, to be looked 1201885SN/A * up in the specified symbol table. 1211885SN/A */ 1221885SN/A template <class T> 1231885SN/A T *System::addFuncEvent(SymbolTable *symtab, const char *lbl) 1241885SN/A { 1251913SN/A Addr addr = 0; // initialize only to avoid compiler warning 1261885SN/A 1271885SN/A if (symtab->findAddress(lbl, addr)) { 1281885SN/A T *ev = new T(&pcEventQueue, lbl, fixFuncEventAddr(addr)); 1291885SN/A return ev; 1301885SN/A } 1311885SN/A 1321885SN/A return NULL; 1331885SN/A } 1341885SN/A 1351885SN/A /** Add a function-based event to kernel code. */ 1361885SN/A template <class T> 1371885SN/A T *System::addKernelFuncEvent(const char *lbl) 1381885SN/A { 1391885SN/A return addFuncEvent<T>(kernelSymtab, lbl); 1401885SN/A } 1411885SN/A 1422378SN/A#endif 14377SN/A public: 1442378SN/A#if FULL_SYSTEM 1451070SN/A std::vector<RemoteGDB *> remoteGDB; 1461070SN/A std::vector<GDBListener *> gdbListen; 1472158SN/A virtual bool breakpoint() = 0; 1482378SN/A#endif // FULL_SYSTEM 1491070SN/A 1501070SN/A public: 1511070SN/A struct Params 1521070SN/A { 1531070SN/A std::string name; 1542521SN/A PhysicalMemory *physmem; 1552378SN/A 1562378SN/A#if FULL_SYSTEM 1571634SN/A Tick boot_cpu_frequency; 1582567SN/A std::string boot_osflags; 1591070SN/A uint64_t init_param; 1601070SN/A bool bin; 1611070SN/A std::vector<std::string> binned_fns; 1621082SN/A bool bin_int; 1631070SN/A 1641070SN/A std::string kernel_path; 1652158SN/A std::string readfile; 1662378SN/A#endif 1672158SN/A }; 1681070SN/A 1692158SN/A protected: 1702158SN/A Params *_params; 1711070SN/A 1722158SN/A public: 1731070SN/A System(Params *p); 1742SN/A ~System(); 1752SN/A 1761129SN/A void startup(); 1771129SN/A 1782158SN/A const Params *params() const { return (const Params *)_params; } 1792158SN/A 1801070SN/A public: 1812378SN/A 1822378SN/A#if FULL_SYSTEM 1831070SN/A /** 1841070SN/A * Returns the addess the kernel starts at. 1851070SN/A * @return address the kernel starts at 1861070SN/A */ 1871070SN/A Addr getKernelStart() const { return kernelStart; } 1881070SN/A 1891070SN/A /** 1901070SN/A * Returns the addess the kernel ends at. 1911070SN/A * @return address the kernel ends at 1921070SN/A */ 1931070SN/A Addr getKernelEnd() const { return kernelEnd; } 1941070SN/A 1951070SN/A /** 1961070SN/A * Returns the addess the entry point to the kernel code. 1971070SN/A * @return entry point of the kernel code 1981070SN/A */ 1991070SN/A Addr getKernelEntry() const { return kernelEntry; } 2001070SN/A 2012378SN/A#else 2022378SN/A 2032378SN/A Addr new_page(); 2042378SN/A 2052378SN/A#endif // FULL_SYSTEM 2062378SN/A 2071806SN/A int registerExecContext(ExecContext *xc, int xcIndex); 2081070SN/A void replaceExecContext(ExecContext *xc, int xcIndex); 2091070SN/A 2101070SN/A void regStats(); 2111070SN/A void serialize(std::ostream &os); 2121070SN/A void unserialize(Checkpoint *cp, const std::string §ion); 2132SN/A 21477SN/A public: 2152SN/A //////////////////////////////////////////// 2162SN/A // 2172SN/A // STATIC GLOBAL SYSTEM LIST 2182SN/A // 2192SN/A //////////////////////////////////////////// 2202SN/A 2212SN/A static std::vector<System *> systemList; 2222SN/A static int numSystemsRunning; 2232SN/A 2242SN/A static void printSystems(); 2252158SN/A 2262158SN/A 2272SN/A}; 2282SN/A 2292SN/A#endif // __SYSTEM_HH__ 230