system.hh (8711:c7e14f52c682) | system.hh (8741:491297d019f3) |
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1/* | 1/* |
2 * Copyright (c) 2012 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * | |
14 * Copyright (c) 2002-2005 The Regents of The University of Michigan 15 * Copyright (c) 2011 Regents of the University of California 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are 20 * met: redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer; --- 29 unchanged lines hidden (view full) --- 51#include <vector> 52 53#include "base/loader/symtab.hh" 54#include "base/misc.hh" 55#include "base/statistics.hh" 56#include "config/full_system.hh" 57#include "cpu/pc_event.hh" 58#include "enums/MemoryMode.hh" | 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * Copyright (c) 2011 Regents of the University of California 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; --- 29 unchanged lines hidden (view full) --- 39#include <vector> 40 41#include "base/loader/symtab.hh" 42#include "base/misc.hh" 43#include "base/statistics.hh" 44#include "config/full_system.hh" 45#include "cpu/pc_event.hh" 46#include "enums/MemoryMode.hh" |
59#include "mem/mem_object.hh" | |
60#include "mem/port.hh" 61#include "params/System.hh" | 47#include "mem/port.hh" 48#include "params/System.hh" |
49#include "sim/sim_object.hh" |
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62 63#if FULL_SYSTEM 64#include "kern/system_events.hh" 65#endif 66 67class BaseCPU; 68class ThreadContext; 69class ObjectFile; 70class PhysicalMemory; 71 72#if FULL_SYSTEM 73class Platform; | 50 51#if FULL_SYSTEM 52#include "kern/system_events.hh" 53#endif 54 55class BaseCPU; 56class ThreadContext; 57class ObjectFile; 58class PhysicalMemory; 59 60#if FULL_SYSTEM 61class Platform; |
74class PortProxy; 75class FSTranslatingPortProxy; | 62class FunctionalPort; 63class VirtualPort; |
76#endif 77class GDBListener; 78class BaseRemoteGDB; 79 | 64#endif 65class GDBListener; 66class BaseRemoteGDB; 67 |
80class System : public MemObject | 68class System : public SimObject |
81{ | 69{ |
82 private: 83 84 /** 85 * Private class for the system port which is only used as a 86 * master for debug access and for non-structural entities that do 87 * not have a port of their own. 88 */ 89 class SystemPort : public Port 90 { 91 public: 92 93 /** 94 * Create a system port with a name and an owner. 95 */ 96 SystemPort(const std::string &_name, MemObject *_owner) 97 : Port(_name, _owner) 98 { } 99 bool recvTiming(PacketPtr pkt) 100 { panic("SystemPort does not receive timing!\n"); return false; } 101 Tick recvAtomic(PacketPtr pkt) 102 { panic("SystemPort does not receive atomic!\n"); return 0; } 103 void recvFunctional(PacketPtr pkt) 104 { panic("SystemPort does not receive functional!\n"); } 105 106 /** 107 * The system port is a master port connected to a single 108 * slave and thus do not care about what ranges the slave 109 * covers (as there is nothing to choose from). 110 */ 111 void recvRangeChange() { } 112 113 }; 114 115 SystemPort _systemPort; 116 | |
117 public: 118 | 70 public: 71 |
119 /** 120 * After all objects have been created and all ports are 121 * connected, check that the system port is connected. 122 */ 123 virtual void init(); 124 125 /** 126 * Get a pointer to the system port that can be used by 127 * non-structural simulation objects like processes or threads, or 128 * external entities like loaders and debuggers, etc, to access 129 * the memory system. 130 * 131 * @return a pointer to the system port we own 132 */ 133 Port* getSystemPort() { return &_systemPort; } 134 135 /** 136 * Additional function to return the Port of a memory object. 137 */ 138 Port *getPort(const std::string &if_name, int idx = -1); 139 | |
140 static const char *MemoryModeStrings[3]; 141 142 Enums::MemoryMode 143 getMemoryMode() 144 { 145 assert(memoryMode); 146 return memoryMode; 147 } --- 29 unchanged lines hidden (view full) --- 177 AddrRangeList memRanges; 178 179 /** check if an address points to valid system memory 180 * and thus we can fetch instructions out of it 181 */ 182 bool isMemory(const Addr addr) const; 183 184#if FULL_SYSTEM | 72 static const char *MemoryModeStrings[3]; 73 74 Enums::MemoryMode 75 getMemoryMode() 76 { 77 assert(memoryMode); 78 return memoryMode; 79 } --- 29 unchanged lines hidden (view full) --- 109 AddrRangeList memRanges; 110 111 /** check if an address points to valid system memory 112 * and thus we can fetch instructions out of it 113 */ 114 bool isMemory(const Addr addr) const; 115 116#if FULL_SYSTEM |
185 Platform *platform; | |
186 uint64_t init_param; 187 188 /** Port to physical memory used for writing object files into ram at 189 * boot.*/ | 117 uint64_t init_param; 118 119 /** Port to physical memory used for writing object files into ram at 120 * boot.*/ |
190 PortProxy* physProxy; 191 FSTranslatingPortProxy* virtProxy; | 121 FunctionalPort *functionalPort; 122 VirtualPort *virtPort; |
192 193 /** kernel symbol table */ 194 SymbolTable *kernelSymtab; 195 196 /** Object pointer for the kernel code */ 197 ObjectFile *kernel; 198 199 /** Begining of kernel code */ --- 34 unchanged lines hidden (view full) --- 234 235 236#endif // FULL_SYSTEM 237 238 protected: 239 Enums::MemoryMode memoryMode; 240 uint64_t workItemsBegin; 241 uint64_t workItemsEnd; | 123 124 /** kernel symbol table */ 125 SymbolTable *kernelSymtab; 126 127 /** Object pointer for the kernel code */ 128 ObjectFile *kernel; 129 130 /** Begining of kernel code */ --- 34 unchanged lines hidden (view full) --- 165 166 167#endif // FULL_SYSTEM 168 169 protected: 170 Enums::MemoryMode memoryMode; 171 uint64_t workItemsBegin; 172 uint64_t workItemsEnd; |
242 uint32_t numWorkIds; | |
243 std::vector<bool> activeCpus; 244 245 public: | 173 std::vector<bool> activeCpus; 174 175 public: |
246 virtual void regStats(); | |
247 /** 248 * Called by pseudo_inst to track the number of work items started by this 249 * system. 250 */ | 176 /** 177 * Called by pseudo_inst to track the number of work items started by this 178 * system. 179 */ |
251 uint64_t | 180 uint64_t |
252 incWorkItemsBegin() 253 { 254 return ++workItemsBegin; 255 } 256 257 /** 258 * Called by pseudo_inst to track the number of work items completed by 259 * this system. --- 17 unchanged lines hidden (view full) --- 277 activeCpus[index] = true; 278 for (std::vector<bool>::iterator i = activeCpus.begin(); 279 i < activeCpus.end(); i++) { 280 if (*i) count++; 281 } 282 return count; 283 } 284 | 181 incWorkItemsBegin() 182 { 183 return ++workItemsBegin; 184 } 185 186 /** 187 * Called by pseudo_inst to track the number of work items completed by 188 * this system. --- 17 unchanged lines hidden (view full) --- 206 activeCpus[index] = true; 207 for (std::vector<bool>::iterator i = activeCpus.begin(); 208 i < activeCpus.end(); i++) { 209 if (*i) count++; 210 } 211 return count; 212 } 213 |
285 inline void workItemBegin(uint32_t tid, uint32_t workid) 286 { 287 std::pair<uint32_t,uint32_t> p(tid, workid); 288 lastWorkItemStarted[p] = curTick(); 289 } 290 291 void workItemEnd(uint32_t tid, uint32_t workid); 292 | |
293#if FULL_SYSTEM 294 /** 295 * Fix up an address used to match PCs for hooking simulator 296 * events on to target function executions. See comment in 297 * system.cc for details. 298 */ 299 virtual Addr fixFuncEventAddr(Addr addr) = 0; 300 --- 59 unchanged lines hidden (view full) --- 360 /** 361 * Returns the addess the entry point to the kernel code. 362 * @return entry point of the kernel code 363 */ 364 Addr getKernelEntry() const { return kernelEntry; } 365 366#else 367 | 214#if FULL_SYSTEM 215 /** 216 * Fix up an address used to match PCs for hooking simulator 217 * events on to target function executions. See comment in 218 * system.cc for details. 219 */ 220 virtual Addr fixFuncEventAddr(Addr addr) = 0; 221 --- 59 unchanged lines hidden (view full) --- 281 /** 282 * Returns the addess the entry point to the kernel code. 283 * @return entry point of the kernel code 284 */ 285 Addr getKernelEntry() const { return kernelEntry; } 286 287#else 288 |
368 /// Allocate npages contiguous unused physical pages 369 /// @return Starting address of first page 370 Addr allocPhysPages(int npages); | 289 Addr new_page(); |
371 372#endif // FULL_SYSTEM 373 374 int registerThreadContext(ThreadContext *tc, int assigned=-1); 375 void replaceThreadContext(ThreadContext *tc, int context_id); 376 377 void serialize(std::ostream &os); 378 void unserialize(Checkpoint *cp, const std::string §ion); 379 virtual void resume(); 380 381 public: 382 Counter totalNumInsts; 383 EventQueue instEventQueue; | 290 291#endif // FULL_SYSTEM 292 293 int registerThreadContext(ThreadContext *tc, int assigned=-1); 294 void replaceThreadContext(ThreadContext *tc, int context_id); 295 296 void serialize(std::ostream &os); 297 void unserialize(Checkpoint *cp, const std::string §ion); 298 virtual void resume(); 299 300 public: 301 Counter totalNumInsts; 302 EventQueue instEventQueue; |
384 std::map<std::pair<uint32_t,uint32_t>, Tick> lastWorkItemStarted; 385 std::map<uint32_t, Stats::Histogram*> workItemStats; | |
386 387 //////////////////////////////////////////// 388 // 389 // STATIC GLOBAL SYSTEM LIST 390 // 391 //////////////////////////////////////////// 392 393 static std::vector<System *> systemList; 394 static int numSystemsRunning; 395 396 static void printSystems(); 397 398 399}; 400 401#endif // __SYSTEM_HH__ | 303 304 //////////////////////////////////////////// 305 // 306 // STATIC GLOBAL SYSTEM LIST 307 // 308 //////////////////////////////////////////// 309 310 static std::vector<System *> systemList; 311 static int numSystemsRunning; 312 313 static void printSystems(); 314 315 316}; 317 318#endif // __SYSTEM_HH__ |