cpu.hh (4988:5b26eba4283f) cpu.hh (4997:e7380529bd2d)
1/*
2 * Copyright (c) 2004-2005 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;

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108 enum Status {
109 Running,
110 Idle,
111 Halted,
112 Blocked,
113 SwitchedOut
114 };
115
1/*
2 * Copyright (c) 2004-2005 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;

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108 enum Status {
109 Running,
110 Idle,
111 Halted,
112 Blocked,
113 SwitchedOut
114 };
115
116#if FULL_SYSTEM
117 TheISA::ITB * itb;
118 TheISA::DTB * dtb;
116 TheISA::ITB * itb;
117 TheISA::DTB * dtb;
119#endif
120
121 /** Overall CPU status. */
122 Status _status;
123
124 /** Per-thread status in CPU, used for SMT. */
125 Status _threadStatus[Impl::MaxThreads];
126
127 private:

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260 /** Constructs a CPU with the given parameters. */
261 FullO3CPU(O3CPU *o3_cpu, Params *params);
262 /** Destructor. */
263 ~FullO3CPU();
264
265 /** Registers statistics. */
266 void fullCPURegStats();
267
118
119 /** Overall CPU status. */
120 Status _status;
121
122 /** Per-thread status in CPU, used for SMT. */
123 Status _threadStatus[Impl::MaxThreads];
124
125 private:

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258 /** Constructs a CPU with the given parameters. */
259 FullO3CPU(O3CPU *o3_cpu, Params *params);
260 /** Destructor. */
261 ~FullO3CPU();
262
263 /** Registers statistics. */
264 void fullCPURegStats();
265
268#if FULL_SYSTEM
269 /** Translates instruction requestion. */
270 Fault translateInstReq(RequestPtr &req, Thread *thread)
271 {
272 return this->itb->translate(req, thread->getTC());
273 }
274
275 /** Translates data read request. */
276 Fault translateDataReadReq(RequestPtr &req, Thread *thread)
277 {
278 return this->dtb->translate(req, thread->getTC(), false);
279 }
280
281 /** Translates data write request. */
282 Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
283 {
284 return this->dtb->translate(req, thread->getTC(), true);
285 }
286
266 /** Translates instruction requestion. */
267 Fault translateInstReq(RequestPtr &req, Thread *thread)
268 {
269 return this->itb->translate(req, thread->getTC());
270 }
271
272 /** Translates data read request. */
273 Fault translateDataReadReq(RequestPtr &req, Thread *thread)
274 {
275 return this->dtb->translate(req, thread->getTC(), false);
276 }
277
278 /** Translates data write request. */
279 Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
280 {
281 return this->dtb->translate(req, thread->getTC(), true);
282 }
283
287#else
288 /** Translates instruction requestion in syscall emulation mode. */
289 Fault translateInstReq(RequestPtr &req, Thread *thread)
290 {
291 return thread->getProcessPtr()->pTable->translate(req);
292 }
293
294 /** Translates data read request in syscall emulation mode. */
295 Fault translateDataReadReq(RequestPtr &req, Thread *thread)
296 {
297 return thread->getProcessPtr()->pTable->translate(req);
298 }
299
300 /** Translates data write request in syscall emulation mode. */
301 Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
302 {
303 return thread->getProcessPtr()->pTable->translate(req);
304 }
305
306#endif
307
308 /** Returns a specific port. */
309 Port *getPort(const std::string &if_name, int idx);
310
311 /** Ticks CPU, calling tick() on each stage, and checking the overall
312 * activity to see if the CPU should deschedule itself.
313 */
314 void tick();
315

--- 424 unchanged lines hidden --- 		284 /** Returns a specific port. */
285 Port *getPort(const std::string &if_name, int idx);
286
287 /** Ticks CPU, calling tick() on each stage, and checking the overall
288 * activity to see if the CPU should deschedule itself.
289 */
290 void tick();
291

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