1/*
2 * Copyright (c) 2011 ARM Limited
3 * Copyright (c) 2013 Advanced Micro Devices, Inc.
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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89 */
90class CheckerCPU : public BaseCPU, public ExecContext
91{
92 protected:
93 typedef TheISA::MachInst MachInst;
94 typedef TheISA::FloatReg FloatReg;
95 typedef TheISA::FloatRegBits FloatRegBits;
96 typedef TheISA::MiscReg MiscReg;
97
98 /** id attached to all issued requests */
99 MasterID masterId;
100 public:
101 virtual void init();
102
103 typedef CheckerCPUParams Params;
104 CheckerCPU(Params *p);

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140 TheISA::TLB *itb;
141 TheISA::TLB *dtb;
142
143 Addr dbg_vtophys(Addr addr);
144
145 union Result {
146 uint64_t integer;
147 double dbl;
148 void set(uint64_t i) { integer = i; }
149 void set(double d) { dbl = d; }
150 void get(uint64_t& i) { i = integer; }
151 void get(double& d) { d = dbl; }
152 };
153
154 // ISAs like ARM can have multiple destination registers to check,
155 // keep them all in a std::queue
156 std::queue<Result> result;
157
158 // Pointer to the one memory request.
159 RequestPtr memReq;

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226 }
227
228 CCReg readCCRegOperand(const StaticInst *si, int idx)
229 {
230 int reg_idx = si->srcRegIdx(idx) - TheISA::CC_Reg_Base;
231 return thread->readCCReg(reg_idx);
232 }
233
234 template <class T>
235 void setResult(T t)
236 {
237 Result instRes;
238 instRes.set(t);
239 result.push(instRes);
240 }
241

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262
263 void setCCRegOperand(const StaticInst *si, int idx, CCReg val)
264 {
265 int reg_idx = si->destRegIdx(idx) - TheISA::CC_Reg_Base;
266 thread->setCCReg(reg_idx, val);
267 setResult<uint64_t>(val);
268 }
269
270 bool readPredicate() { return thread->readPredicate(); }
271 void setPredicate(bool val)
272 {
273 thread->setPredicate(val);
274 }
275
276 TheISA::PCState pcState() const { return thread->pcState(); }
277 void pcState(const TheISA::PCState &val)

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436 void advancePC(const Fault &fault);
437
438 void verify(DynInstPtr &inst);
439
440 void validateInst(DynInstPtr &inst);
441 void validateExecution(DynInstPtr &inst);
442 void validateState();
443
444 void copyResult(DynInstPtr &inst, uint64_t mismatch_val, int start_idx);
445 void handlePendingInt();
446
447 private:
448 void handleError(DynInstPtr &inst)
449 {
450 if (exitOnError) {
451 dumpAndExit(inst);
452 } else if (updateOnError) {

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