1/*
2 * Copyright (c) 2001-2005 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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61SharedData *shared_data = NULL;
62}
63
64////////////////////////////////////////////////////////////////////////
65//
66// Methods for the InstRecord object
67//
68
69
70void
71Trace::InstRecord::dump(ostream &outs)
72{
73 if (flags[PRINT_REG_DELTA])
74 {
75#if THE_ISA == SPARC_ISA
76 //Don't print what happens for each micro-op, just print out
77 //once at the last op, and for regular instructions.

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232#if THE_ISA == SPARC_ISA
233 // Compare
234 if (flags[LEGION_LOCKSTEP])
235 {
236 bool compared = false;
237 bool diffPC = false;
238 bool diffInst = false;
239 bool diffRegs = false;
240 Addr m5Pc, lgnPc;
241
242
243 if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) {
244 while (!compared) {
245 m5Pc = PC & TheISA::PAddrImplMask;
246 lgnPc = shared_data->pc & TheISA::PAddrImplMask;
247 if (shared_data->flags == OWN_M5) {
248 if (lgnPc != m5Pc)
249 diffPC = true;
250 if (shared_data->instruction !=
251 (SparcISA::MachInst)staticInst->machInst) {
252 diffInst = true;
253 }
254 for (int i = 0; i < TheISA::NumRegularIntRegs; i++) {
255 if (thread->readIntReg(i) != shared_data->intregs[i]) {
256 diffRegs = true;
257 }
258 }
259
260 if (diffPC || diffInst || diffRegs ) {
261 outs << "Differences found between M5 and Legion:";
262 if (diffPC)
263 outs << " [PC]";
264 if (diffInst)
265 outs << " [Instruction]";
266 if (diffRegs)
267 outs << " [IntRegs]";
268 outs << endl << endl;
269
270 outs << right << setfill(' ') << setw(15)
271 << "M5 PC: " << "0x"<< setw(16) << setfill('0')
272 << hex << m5Pc << endl;
273 outs << setfill(' ') << setw(15)
274 << "Legion PC: " << "0x"<< setw(16) << setfill('0') << hex
275 << lgnPc << endl << endl;
276
277 outs << setfill(' ') << setw(15)
278 << "M5 Inst: " << "0x"<< setw(8)
279 << setfill('0') << hex << staticInst->machInst
280 << staticInst->disassemble(m5Pc, debugSymbolTable)
281 << endl;
282
283 StaticInstPtr legionInst = StaticInst::decode(makeExtMI(shared_data->instruction, thread));
284 outs << setfill(' ') << setw(15)
285 << " Legion Inst: "
286 << "0x" << setw(8) << setfill('0') << hex
287 << shared_data->instruction
288 << legionInst->disassemble(lgnPc, debugSymbolTable)
289 << endl;
290
291 outs << endl;
292
293 static const char * regtypes[4] = {"%g", "%o", "%l", "%i"};
294 for(int y = 0; y < 4; y++)
295 {
296 for(int x = 0; x < 8; x++)
297 {
298 outs << regtypes[y] << x << " " ;
299 outs << "0x" << hex << setw(16) << thread->readIntReg(y*8+x);
300 if (thread->readIntReg(y*8 + x) != shared_data->intregs[y*8+x])
301 outs << " X ";
302 else
303 outs << " | ";
304 outs << "0x" << setw(16) << hex << shared_data->intregs[y*8+x]
305 << endl;
306 }
307 }
308 fatal("Differences found between Legion and M5\n");
309 }
310
311 compared = true;
312 shared_data->flags = OWN_LEGION;
313 }

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