system.hh revision 5795:72ce7502dc71
110458Sandreas.hansson@arm.com/* 210458Sandreas.hansson@arm.com * Copyright (c) 2002-2005 The Regents of The University of Michigan 310458Sandreas.hansson@arm.com * All rights reserved. 410458Sandreas.hansson@arm.com * 510458Sandreas.hansson@arm.com * Redistribution and use in source and binary forms, with or without 610458Sandreas.hansson@arm.com * modification, are permitted provided that the following conditions are 710458Sandreas.hansson@arm.com * met: redistributions of source code must retain the above copyright 810458Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer; 910458Sandreas.hansson@arm.com * redistributions in binary form must reproduce the above copyright 1010458Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer in the 1110458Sandreas.hansson@arm.com * documentation and/or other materials provided with the distribution; 1210458Sandreas.hansson@arm.com * neither the name of the copyright holders nor the names of its 1310458Sandreas.hansson@arm.com * contributors may be used to endorse or promote products derived from 1410458Sandreas.hansson@arm.com * this software without specific prior written permission. 1510458Sandreas.hansson@arm.com * 1610458Sandreas.hansson@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1710458Sandreas.hansson@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1810458Sandreas.hansson@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1910458Sandreas.hansson@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2010458Sandreas.hansson@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2110458Sandreas.hansson@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2210458Sandreas.hansson@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2310458Sandreas.hansson@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2410458Sandreas.hansson@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2510458Sandreas.hansson@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2610458Sandreas.hansson@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2710458Sandreas.hansson@arm.com * 2810458Sandreas.hansson@arm.com * Authors: Steve Reinhardt 2910458Sandreas.hansson@arm.com * Lisa Hsu 3010458Sandreas.hansson@arm.com * Nathan Binkert 3110458Sandreas.hansson@arm.com */ 3210458Sandreas.hansson@arm.com 3310458Sandreas.hansson@arm.com#ifndef __SYSTEM_HH__ 3410458Sandreas.hansson@arm.com#define __SYSTEM_HH__ 3510458Sandreas.hansson@arm.com 3610458Sandreas.hansson@arm.com#include <string> 3710458Sandreas.hansson@arm.com#include <vector> 3810458Sandreas.hansson@arm.com 3910458Sandreas.hansson@arm.com#include "base/loader/symtab.hh" 4010458Sandreas.hansson@arm.com#include "base/misc.hh" 4110458Sandreas.hansson@arm.com#include "base/statistics.hh" 4210458Sandreas.hansson@arm.com#include "config/full_system.hh" 4310458Sandreas.hansson@arm.com#include "cpu/pc_event.hh" 4410458Sandreas.hansson@arm.com#include "enums/MemoryMode.hh" 4510458Sandreas.hansson@arm.com#include "mem/port.hh" 4610458Sandreas.hansson@arm.com#include "params/System.hh" 4710458Sandreas.hansson@arm.com#include "sim/sim_object.hh" 4812564Sgabeblack@google.com#if FULL_SYSTEM 4912564Sgabeblack@google.com#include "kern/system_events.hh" 5010458Sandreas.hansson@arm.com#include "mem/vport.hh" 5110458Sandreas.hansson@arm.com#endif 5210458Sandreas.hansson@arm.com 5310458Sandreas.hansson@arm.comclass BaseCPU; 5410458Sandreas.hansson@arm.comclass ThreadContext; 5510458Sandreas.hansson@arm.comclass ObjectFile; 5610458Sandreas.hansson@arm.comclass PhysicalMemory; 5710458Sandreas.hansson@arm.com 5810458Sandreas.hansson@arm.com#if FULL_SYSTEM 5910458Sandreas.hansson@arm.comclass Platform; 6010458Sandreas.hansson@arm.com#endif 6110458Sandreas.hansson@arm.comclass GDBListener; 6210458Sandreas.hansson@arm.comnamespace TheISA 6310458Sandreas.hansson@arm.com{ 6410458Sandreas.hansson@arm.com class RemoteGDB; 6510458Sandreas.hansson@arm.com} 6610458Sandreas.hansson@arm.com 6710458Sandreas.hansson@arm.comclass System : public SimObject 6810458Sandreas.hansson@arm.com{ 6910458Sandreas.hansson@arm.com public: 7010458Sandreas.hansson@arm.com 7110458Sandreas.hansson@arm.com static const char *MemoryModeStrings[3]; 7210458Sandreas.hansson@arm.com 7310458Sandreas.hansson@arm.com Enums::MemoryMode 7410458Sandreas.hansson@arm.com getMemoryMode() 7510458Sandreas.hansson@arm.com { 7610458Sandreas.hansson@arm.com assert(memoryMode); 7710458Sandreas.hansson@arm.com return memoryMode; 7810458Sandreas.hansson@arm.com } 7910458Sandreas.hansson@arm.com 8010458Sandreas.hansson@arm.com /** Change the memory mode of the system. This should only be called by the 8110458Sandreas.hansson@arm.com * python!! 8210458Sandreas.hansson@arm.com * @param mode Mode to change to (atomic/timing) 8310458Sandreas.hansson@arm.com */ 8410458Sandreas.hansson@arm.com void setMemoryMode(Enums::MemoryMode mode); 8510458Sandreas.hansson@arm.com 8610458Sandreas.hansson@arm.com PhysicalMemory *physmem; 8712410Sgabeblack@google.com PCEventQueue pcEventQueue; 8812410Sgabeblack@google.com 8912410Sgabeblack@google.com std::vector<ThreadContext *> threadContexts; 9012410Sgabeblack@google.com int _numContexts; 9112410Sgabeblack@google.com 9212410Sgabeblack@google.com ThreadContext * getThreadContext(int tid) 9310458Sandreas.hansson@arm.com { 9410458Sandreas.hansson@arm.com return threadContexts[tid]; 9510458Sandreas.hansson@arm.com } 9610458Sandreas.hansson@arm.com 9710458Sandreas.hansson@arm.com int numContexts() 9810458Sandreas.hansson@arm.com { 9910458Sandreas.hansson@arm.com if (_numContexts != threadContexts.size()) 10010458Sandreas.hansson@arm.com panic("cpu array not fully populated!"); 10110458Sandreas.hansson@arm.com 10210458Sandreas.hansson@arm.com return _numContexts; 10310458Sandreas.hansson@arm.com } 10410458Sandreas.hansson@arm.com 10510458Sandreas.hansson@arm.com#if FULL_SYSTEM 10610458Sandreas.hansson@arm.com Platform *platform; 10710458Sandreas.hansson@arm.com uint64_t init_param; 10810458Sandreas.hansson@arm.com 10910458Sandreas.hansson@arm.com /** Port to physical memory used for writing object files into ram at 11011228SAndrew.Bardsley@arm.com * boot.*/ 11110458Sandreas.hansson@arm.com FunctionalPort functionalPort; 11210458Sandreas.hansson@arm.com VirtualPort virtPort; 11310458Sandreas.hansson@arm.com 11410458Sandreas.hansson@arm.com /** kernel symbol table */ 11510458Sandreas.hansson@arm.com SymbolTable *kernelSymtab; 11610458Sandreas.hansson@arm.com 11710458Sandreas.hansson@arm.com /** Object pointer for the kernel code */ 11811228SAndrew.Bardsley@arm.com ObjectFile *kernel; 11911228SAndrew.Bardsley@arm.com 12010458Sandreas.hansson@arm.com /** Begining of kernel code */ 12110458Sandreas.hansson@arm.com Addr kernelStart; 12210458Sandreas.hansson@arm.com 12310458Sandreas.hansson@arm.com /** End of kernel code */ 12410458Sandreas.hansson@arm.com Addr kernelEnd; 12510458Sandreas.hansson@arm.com 12610458Sandreas.hansson@arm.com /** Entry point in the kernel to start at */ 12710458Sandreas.hansson@arm.com Addr kernelEntry; 12810458Sandreas.hansson@arm.com 12910458Sandreas.hansson@arm.com#else 13010458Sandreas.hansson@arm.com 13110458Sandreas.hansson@arm.com int page_ptr; 13210458Sandreas.hansson@arm.com 13310458Sandreas.hansson@arm.com protected: 13410458Sandreas.hansson@arm.com uint64_t next_PID; 13510458Sandreas.hansson@arm.com 13610458Sandreas.hansson@arm.com public: 13710458Sandreas.hansson@arm.com uint64_t allocatePID() 13810458Sandreas.hansson@arm.com { 13910458Sandreas.hansson@arm.com return next_PID++; 14010458Sandreas.hansson@arm.com } 14110458Sandreas.hansson@arm.com 14210458Sandreas.hansson@arm.com /** Amount of physical memory that is still free */ 14310458Sandreas.hansson@arm.com Addr freeMemSize(); 14410458Sandreas.hansson@arm.com 14510458Sandreas.hansson@arm.com /** Amount of physical memory that exists */ 14610458Sandreas.hansson@arm.com Addr memSize(); 14710458Sandreas.hansson@arm.com 14810458Sandreas.hansson@arm.com 14910458Sandreas.hansson@arm.com#endif // FULL_SYSTEM 15010458Sandreas.hansson@arm.com 15110458Sandreas.hansson@arm.com protected: 15210458Sandreas.hansson@arm.com Enums::MemoryMode memoryMode; 15310458Sandreas.hansson@arm.com 15410458Sandreas.hansson@arm.com#if FULL_SYSTEM 15510458Sandreas.hansson@arm.com /** 15610458Sandreas.hansson@arm.com * Fix up an address used to match PCs for hooking simulator 15710458Sandreas.hansson@arm.com * events on to target function executions. See comment in 15810458Sandreas.hansson@arm.com * system.cc for details. 15910458Sandreas.hansson@arm.com */ 16010458Sandreas.hansson@arm.com virtual Addr fixFuncEventAddr(Addr addr) = 0; 16110458Sandreas.hansson@arm.com 16210458Sandreas.hansson@arm.com /** 16310458Sandreas.hansson@arm.com * Add a function-based event to the given function, to be looked 16410458Sandreas.hansson@arm.com * up in the specified symbol table. 16510458Sandreas.hansson@arm.com */ 16610458Sandreas.hansson@arm.com template <class T> 16710458Sandreas.hansson@arm.com T *addFuncEvent(SymbolTable *symtab, const char *lbl) 16810458Sandreas.hansson@arm.com { 16910458Sandreas.hansson@arm.com Addr addr = 0; // initialize only to avoid compiler warning 17010458Sandreas.hansson@arm.com 17110458Sandreas.hansson@arm.com if (symtab->findAddress(lbl, addr)) { 17210458Sandreas.hansson@arm.com T *ev = new T(&pcEventQueue, lbl, fixFuncEventAddr(addr)); 17310458Sandreas.hansson@arm.com return ev; 17410458Sandreas.hansson@arm.com } 17510458Sandreas.hansson@arm.com 17610458Sandreas.hansson@arm.com return NULL; 17710458Sandreas.hansson@arm.com } 17810458Sandreas.hansson@arm.com 17910458Sandreas.hansson@arm.com /** Add a function-based event to kernel code. */ 18010458Sandreas.hansson@arm.com template <class T> 18110458Sandreas.hansson@arm.com T *addKernelFuncEvent(const char *lbl) 18210458Sandreas.hansson@arm.com { 18310458Sandreas.hansson@arm.com return addFuncEvent<T>(kernelSymtab, lbl); 18410458Sandreas.hansson@arm.com } 18510458Sandreas.hansson@arm.com 18610458Sandreas.hansson@arm.com#endif 18710458Sandreas.hansson@arm.com public: 18810458Sandreas.hansson@arm.com std::vector<TheISA::RemoteGDB *> remoteGDB; 18910458Sandreas.hansson@arm.com std::vector<GDBListener *> gdbListen; 19010458Sandreas.hansson@arm.com bool breakpoint(); 19110458Sandreas.hansson@arm.com 19210458Sandreas.hansson@arm.com public: 19310458Sandreas.hansson@arm.com typedef SystemParams Params; 19410458Sandreas.hansson@arm.com 19510458Sandreas.hansson@arm.com protected: 19610458Sandreas.hansson@arm.com Params *_params; 19710458Sandreas.hansson@arm.com 19810458Sandreas.hansson@arm.com public: 19910458Sandreas.hansson@arm.com System(Params *p); 20010458Sandreas.hansson@arm.com ~System(); 20110458Sandreas.hansson@arm.com 20210458Sandreas.hansson@arm.com void startup(); 20310458Sandreas.hansson@arm.com 20410458Sandreas.hansson@arm.com const Params *params() const { return (const Params *)_params; } 20510458Sandreas.hansson@arm.com 20610458Sandreas.hansson@arm.com public: 20710458Sandreas.hansson@arm.com 20810458Sandreas.hansson@arm.com#if FULL_SYSTEM 20910458Sandreas.hansson@arm.com /** 21010458Sandreas.hansson@arm.com * Returns the addess the kernel starts at. 21110458Sandreas.hansson@arm.com * @return address the kernel starts at 21210458Sandreas.hansson@arm.com */ 21310458Sandreas.hansson@arm.com Addr getKernelStart() const { return kernelStart; } 21410458Sandreas.hansson@arm.com 21510458Sandreas.hansson@arm.com /** 21610458Sandreas.hansson@arm.com * Returns the addess the kernel ends at. 21710458Sandreas.hansson@arm.com * @return address the kernel ends at 21810458Sandreas.hansson@arm.com */ 21910458Sandreas.hansson@arm.com Addr getKernelEnd() const { return kernelEnd; } 22012411Sgabeblack@google.com 22112411Sgabeblack@google.com /** 22212411Sgabeblack@google.com * Returns the addess the entry point to the kernel code. 22312411Sgabeblack@google.com * @return entry point of the kernel code 22410458Sandreas.hansson@arm.com */ 22510458Sandreas.hansson@arm.com Addr getKernelEntry() const { return kernelEntry; } 22610458Sandreas.hansson@arm.com 22710458Sandreas.hansson@arm.com#else 22810458Sandreas.hansson@arm.com 22910458Sandreas.hansson@arm.com Addr new_page(); 23010458Sandreas.hansson@arm.com 23110458Sandreas.hansson@arm.com#endif // FULL_SYSTEM 23210458Sandreas.hansson@arm.com 23310458Sandreas.hansson@arm.com int registerThreadContext(ThreadContext *tc, int assigned=-1); 23410458Sandreas.hansson@arm.com void replaceThreadContext(ThreadContext *tc, int context_id); 23510458Sandreas.hansson@arm.com 23610458Sandreas.hansson@arm.com void serialize(std::ostream &os); 23710458Sandreas.hansson@arm.com void unserialize(Checkpoint *cp, const std::string §ion); 23810458Sandreas.hansson@arm.com 23910458Sandreas.hansson@arm.com public: 24010458Sandreas.hansson@arm.com //////////////////////////////////////////// 24110458Sandreas.hansson@arm.com // 24212411Sgabeblack@google.com // STATIC GLOBAL SYSTEM LIST 24312411Sgabeblack@google.com // 24410458Sandreas.hansson@arm.com //////////////////////////////////////////// 24510458Sandreas.hansson@arm.com 24610458Sandreas.hansson@arm.com static std::vector<System *> systemList; 24710458Sandreas.hansson@arm.com static int numSystemsRunning; 24810458Sandreas.hansson@arm.com 24910458Sandreas.hansson@arm.com static void printSystems(); 25010458Sandreas.hansson@arm.com 25110458Sandreas.hansson@arm.com 25210458Sandreas.hansson@arm.com}; 25310458Sandreas.hansson@arm.com 25410458Sandreas.hansson@arm.com#endif // __SYSTEM_HH__ 25510458Sandreas.hansson@arm.com