1/*
2 * Copyright (c) 2006 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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79class ThreadContext
80{
81 protected:
82 typedef TheISA::RegFile RegFile;
83 typedef TheISA::MachInst MachInst;
84 typedef TheISA::IntReg IntReg;
85 typedef TheISA::FloatReg FloatReg;
86 typedef TheISA::FloatRegBits FloatRegBits;
87 typedef TheISA::MiscReg MiscReg;
88 public:
89
90 enum Status
91 {
92 /// Running. Instructions should be executed only when
93 /// the context is in this state.
94 Active,

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228 virtual MiscReg readMiscRegNoEffect(int misc_reg) = 0;
229
230 virtual MiscReg readMiscReg(int misc_reg) = 0;
231
232 virtual void setMiscRegNoEffect(int misc_reg, const MiscReg &val) = 0;
233
234 virtual void setMiscReg(int misc_reg, const MiscReg &val) = 0;
235
236 virtual int flattenIntIndex(int reg) = 0;
237 virtual int flattenFloatIndex(int reg) = 0;
238
239 virtual uint64_t
240 readRegOtherThread(int misc_reg, ThreadID tid)
241 {
242 return 0;
243 }
244
245 virtual void
246 setRegOtherThread(int misc_reg, const MiscReg &val, ThreadID tid)

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431 { return actualTC->readMiscReg(misc_reg); }
432
433 void setMiscRegNoEffect(int misc_reg, const MiscReg &val)
434 { return actualTC->setMiscRegNoEffect(misc_reg, val); }
435
436 void setMiscReg(int misc_reg, const MiscReg &val)
437 { return actualTC->setMiscReg(misc_reg, val); }
438
439 int flattenIntIndex(int reg)
440 { return actualTC->flattenIntIndex(reg); }
441
442 int flattenFloatIndex(int reg)
443 { return actualTC->flattenFloatIndex(reg); }
444
445 unsigned readStCondFailures()
446 { return actualTC->readStCondFailures(); }
447
448 void setStCondFailures(unsigned sc_failures)
449 { actualTC->setStCondFailures(sc_failures); }
450
451 // @todo: Fix this!
452 bool misspeculating() { return actualTC->misspeculating(); }
453
454#if !FULL_SYSTEM
455 void syscall(int64_t callnum)
456 { actualTC->syscall(callnum); }
457
458 Counter readFuncExeInst() { return actualTC->readFuncExeInst(); }
459#endif
460};
461
462#endif