thread_context.hh (9180:ee8d7a51651d) thread_context.hh (9426:0548b3e9734d)
1/*
2 * Copyright (c) 2011 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

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259
260 // This function exits the thread context in the CPU and returns
261 // 1 if the CPU has no more active threads (meaning it's OK to exit);
262 // Used in syscall-emulation mode when a thread calls the exit syscall.
263 virtual int exit() { return 1; };
264
265 /** function to compare two thread contexts (for debugging) */
266 static void compare(ThreadContext *one, ThreadContext *two);
1/*
2 * Copyright (c) 2011 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

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259
260 // This function exits the thread context in the CPU and returns
261 // 1 if the CPU has no more active threads (meaning it's OK to exit);
262 // Used in syscall-emulation mode when a thread calls the exit syscall.
263 virtual int exit() { return 1; };
264
265 /** function to compare two thread contexts (for debugging) */
266 static void compare(ThreadContext *one, ThreadContext *two);
267
268 /** @{ */
269 /**
270 * Flat register interfaces
271 *
272 * Some architectures have different registers visible in
273 * different modes. Such architectures "flatten" a register (see
274 * flattenIntIndex() and flattenFloatIndex()) to map it into the
275 * gem5 register file. This interface provides a flat interface to
276 * the underlying register file, which allows for example
277 * serialization code to access all registers.
278 */
279
280 virtual uint64_t readIntRegFlat(int idx) = 0;
281 virtual void setIntRegFlat(int idx, uint64_t val) = 0;
282
283 virtual FloatReg readFloatRegFlat(int idx) = 0;
284 virtual void setFloatRegFlat(int idx, FloatReg val) = 0;
285
286 virtual FloatRegBits readFloatRegBitsFlat(int idx) = 0;
287 virtual void setFloatRegBitsFlat(int idx, FloatRegBits val) = 0;
288
289 /** @} */
290
267};
268
269/**
270 * ProxyThreadContext class that provides a way to implement a
271 * ThreadContext without having to derive from it. ThreadContext is an
272 * abstract class, so anything that derives from it and uses its
273 * interface will pay the overhead of virtual function calls. This
274 * class is created to enable a user-defined Thread object to be used

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424
425 // @todo: Fix this!
426 bool misspeculating() { return actualTC->misspeculating(); }
427
428 void syscall(int64_t callnum)
429 { actualTC->syscall(callnum); }
430
431 Counter readFuncExeInst() { return actualTC->readFuncExeInst(); }
291};
292
293/**
294 * ProxyThreadContext class that provides a way to implement a
295 * ThreadContext without having to derive from it. ThreadContext is an
296 * abstract class, so anything that derives from it and uses its
297 * interface will pay the overhead of virtual function calls. This
298 * class is created to enable a user-defined Thread object to be used

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448
449 // @todo: Fix this!
450 bool misspeculating() { return actualTC->misspeculating(); }
451
452 void syscall(int64_t callnum)
453 { actualTC->syscall(callnum); }
454
455 Counter readFuncExeInst() { return actualTC->readFuncExeInst(); }
456
457 uint64_t readIntRegFlat(int idx)
458 { return actualTC->readIntRegFlat(idx); }
459
460 void setIntRegFlat(int idx, uint64_t val)
461 { actualTC->setIntRegFlat(idx, val); }
462
463 FloatReg readFloatRegFlat(int idx)
464 { return actualTC->readFloatRegFlat(idx); }
465
466 void setFloatRegFlat(int idx, FloatReg val)
467 { actualTC->setFloatRegFlat(idx, val); }
468
469 FloatRegBits readFloatRegBitsFlat(int idx)
470 { return actualTC->readFloatRegBitsFlat(idx); }
471
472 void setFloatRegBitsFlat(int idx, FloatRegBits val)
473 { actualTC->setFloatRegBitsFlat(idx, val); }
432};
433
434#endif
474};
475
476#endif