1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 MIPS Technologies, Inc.
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Steve Reinhardt
30// Korey Sewell
31
32////////////////////////////////////////////////////////////////////
33//
34// Memory-format instructions
35//
36
37output header {{
38 /**
39 * Base class for general Mips memory-format instructions.
40 */
41 class Memory : public MipsStaticInst
42 {
43 protected:
44 /// Memory request flags. See mem_req_base.hh.
45 Request::Flags memAccessFlags;
46
47 /// Displacement for EA calculation (signed).
48 int32_t disp;
49
50 /// Constructor
51 Memory(const char *mnem, MachInst _machInst, OpClass __opClass)
52 : MipsStaticInst(mnem, _machInst, __opClass),
53 disp(sext<16>(OFFSET))
54 {
55 }
56
57 std::string
58 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
59 };
60
61 /**
62 * Base class for a few miscellaneous memory-format insts
63 * that don't interpret the disp field
64 */
65 class MemoryNoDisp : public Memory
66 {
67 protected:
68 /// Constructor
69 MemoryNoDisp(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
70 : Memory(mnem, _machInst, __opClass)
71 {
72 }
73
74 std::string
75 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
76 };
77}};
78
79
80output decoder {{
81 std::string
82 Memory::generateDisassembly(Addr pc, const SymbolTable *symtab) const
83 {
84 return csprintf("%-10s %c%d, %d(r%d)", mnemonic,
85 flags[IsFloating] ? 'f' : 'r', RT, disp, RS);
86 }
87
88 std::string
89 MemoryNoDisp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
90 {
91 return csprintf("%-10s %c%d, r%d(r%d)", mnemonic,
92 flags[IsFloating] ? 'f' : 'r',
93 flags[IsFloating] ? FD : RD,
94 RS, RT);
95 }
96
97}};
98
99output header {{
| 1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 MIPS Technologies, Inc.
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Steve Reinhardt
30// Korey Sewell
31
32////////////////////////////////////////////////////////////////////
33//
34// Memory-format instructions
35//
36
37output header {{
38 /**
39 * Base class for general Mips memory-format instructions.
40 */
41 class Memory : public MipsStaticInst
42 {
43 protected:
44 /// Memory request flags. See mem_req_base.hh.
45 Request::Flags memAccessFlags;
46
47 /// Displacement for EA calculation (signed).
48 int32_t disp;
49
50 /// Constructor
51 Memory(const char *mnem, MachInst _machInst, OpClass __opClass)
52 : MipsStaticInst(mnem, _machInst, __opClass),
53 disp(sext<16>(OFFSET))
54 {
55 }
56
57 std::string
58 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
59 };
60
61 /**
62 * Base class for a few miscellaneous memory-format insts
63 * that don't interpret the disp field
64 */
65 class MemoryNoDisp : public Memory
66 {
67 protected:
68 /// Constructor
69 MemoryNoDisp(const char *mnem, ExtMachInst _machInst, OpClass __opClass)
70 : Memory(mnem, _machInst, __opClass)
71 {
72 }
73
74 std::string
75 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
76 };
77}};
78
79
80output decoder {{
81 std::string
82 Memory::generateDisassembly(Addr pc, const SymbolTable *symtab) const
83 {
84 return csprintf("%-10s %c%d, %d(r%d)", mnemonic,
85 flags[IsFloating] ? 'f' : 'r', RT, disp, RS);
86 }
87
88 std::string
89 MemoryNoDisp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
90 {
91 return csprintf("%-10s %c%d, r%d(r%d)", mnemonic,
92 flags[IsFloating] ? 'f' : 'r',
93 flags[IsFloating] ? FD : RD,
94 RS, RT);
95 }
96
97}};
98
99output header {{
|
100 uint64_t getMemData(%(CPU_exec_context)s *xc, Packet *packet);
| 100 uint64_t getMemData(ExecContext *xc, Packet *packet);
|
101
102}};
103
104output exec {{
105 /** return data in cases where there the size of data is only
106 known in the packet
107 */
| 101
102}};
103
104output exec {{
105 /** return data in cases where there the size of data is only
106 known in the packet
107 */
|
108 uint64_t getMemData(CPU_EXEC_CONTEXT *xc, Packet *packet) {
| 108 uint64_t getMemData(ExecContext *xc, Packet *packet) {
|
109 switch (packet->getSize())
110 {
111 case 1:
112 return packet->get<uint8_t>();
113
114 case 2:
115 return packet->get<uint16_t>();
116
117 case 4:
118 return packet->get<uint32_t>();
119
120 case 8:
121 return packet->get<uint64_t>();
122
123 default:
124 std::cerr << "bad store data size = " << packet->getSize() << std::endl;
125
126 assert(0);
127 return 0;
128 }
129 }
130
131
132}};
133
134def template LoadStoreDeclare {{
135 /**
136 * Static instruction class for "%(mnemonic)s".
137 */
138 class %(class_name)s : public %(base_class)s
139 {
140 public:
141
142 /// Constructor.
143 %(class_name)s(ExtMachInst machInst);
144
145 %(BasicExecDeclare)s
146
147 %(EACompDeclare)s
148
149 %(InitiateAccDeclare)s
150
151 %(CompleteAccDeclare)s
152 };
153}};
154
155def template EACompDeclare {{
| 109 switch (packet->getSize())
110 {
111 case 1:
112 return packet->get<uint8_t>();
113
114 case 2:
115 return packet->get<uint16_t>();
116
117 case 4:
118 return packet->get<uint32_t>();
119
120 case 8:
121 return packet->get<uint64_t>();
122
123 default:
124 std::cerr << "bad store data size = " << packet->getSize() << std::endl;
125
126 assert(0);
127 return 0;
128 }
129 }
130
131
132}};
133
134def template LoadStoreDeclare {{
135 /**
136 * Static instruction class for "%(mnemonic)s".
137 */
138 class %(class_name)s : public %(base_class)s
139 {
140 public:
141
142 /// Constructor.
143 %(class_name)s(ExtMachInst machInst);
144
145 %(BasicExecDeclare)s
146
147 %(EACompDeclare)s
148
149 %(InitiateAccDeclare)s
150
151 %(CompleteAccDeclare)s
152 };
153}};
154
155def template EACompDeclare {{
|
156 Fault eaComp(%(CPU_exec_context)s *, Trace::InstRecord *) const;
| 156 Fault eaComp(ExecContext *, Trace::InstRecord *) const;
|
157}};
158
159def template InitiateAccDeclare {{
| 157}};
158
159def template InitiateAccDeclare {{
|
160 Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const;
| 160 Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
|
161}};
162
163
164def template CompleteAccDeclare {{
| 161}};
162
163
164def template CompleteAccDeclare {{
|
165 Fault completeAcc(Packet *, %(CPU_exec_context)s *, Trace::InstRecord *) const;
| 165 Fault completeAcc(Packet *, ExecContext *, Trace::InstRecord *) const;
|
166}};
167
168def template LoadStoreConstructor {{
169 %(class_name)s::%(class_name)s(ExtMachInst machInst)
170 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
171 {
172 %(constructor)s;
173 }
174}};
175
176
177def template EACompExecute {{
178 Fault
| 166}};
167
168def template LoadStoreConstructor {{
169 %(class_name)s::%(class_name)s(ExtMachInst machInst)
170 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
171 {
172 %(constructor)s;
173 }
174}};
175
176
177def template EACompExecute {{
178 Fault
|
179 %(class_name)s::eaComp(CPU_EXEC_CONTEXT *xc,
180 Trace::InstRecord *traceData) const
| 179 %(class_name)s::eaComp(ExecContext *xc, Trace::InstRecord *traceData) const
|
181 {
182 Addr EA;
183 Fault fault = NoFault;
184
185 if (this->isFloating()) {
186 %(fp_enable_check)s;
187
188 if(fault != NoFault)
189 return fault;
190 }
191
192 %(op_decl)s;
193 %(op_rd)s;
194 %(ea_code)s;
195
196 // NOTE: Trace Data is written using execute or completeAcc templates
197 if (fault == NoFault) {
198 xc->setEA(EA);
199 }
200
201 return fault;
202 }
203}};
204
205def template LoadExecute {{
| 180 {
181 Addr EA;
182 Fault fault = NoFault;
183
184 if (this->isFloating()) {
185 %(fp_enable_check)s;
186
187 if(fault != NoFault)
188 return fault;
189 }
190
191 %(op_decl)s;
192 %(op_rd)s;
193 %(ea_code)s;
194
195 // NOTE: Trace Data is written using execute or completeAcc templates
196 if (fault == NoFault) {
197 xc->setEA(EA);
198 }
199
200 return fault;
201 }
202}};
203
204def template LoadExecute {{
|
206 Fault %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
| 205 Fault %(class_name)s::execute(ExecContext *xc,
|
207 Trace::InstRecord *traceData) const
208 {
209 Addr EA;
210 Fault fault = NoFault;
211
212 if (this->isFloating()) {
213 %(fp_enable_check)s;
214
215 if(fault != NoFault)
216 return fault;
217 }
218
219 %(op_decl)s;
220 %(op_rd)s;
221 %(ea_code)s;
222
223 if (fault == NoFault) {
224 fault = readMemAtomic(xc, traceData, EA, Mem, memAccessFlags);
225 %(memacc_code)s;
226 }
227
228 if (fault == NoFault) {
229 %(op_wb)s;
230 }
231
232 return fault;
233 }
234}};
235
236
237def template LoadInitiateAcc {{
| 206 Trace::InstRecord *traceData) const
207 {
208 Addr EA;
209 Fault fault = NoFault;
210
211 if (this->isFloating()) {
212 %(fp_enable_check)s;
213
214 if(fault != NoFault)
215 return fault;
216 }
217
218 %(op_decl)s;
219 %(op_rd)s;
220 %(ea_code)s;
221
222 if (fault == NoFault) {
223 fault = readMemAtomic(xc, traceData, EA, Mem, memAccessFlags);
224 %(memacc_code)s;
225 }
226
227 if (fault == NoFault) {
228 %(op_wb)s;
229 }
230
231 return fault;
232 }
233}};
234
235
236def template LoadInitiateAcc {{
|
238 Fault %(class_name)s::initiateAcc(CPU_EXEC_CONTEXT *xc,
| 237 Fault %(class_name)s::initiateAcc(ExecContext *xc,
|
239 Trace::InstRecord *traceData) const
240 {
241 Addr EA;
242 Fault fault = NoFault;
243
244 if (this->isFloating()) {
245 %(fp_enable_check)s;
246
247 if(fault != NoFault)
248 return fault;
249 }
250
251 %(op_src_decl)s;
252 %(op_rd)s;
253 %(ea_code)s;
254
255 if (fault == NoFault) {
256 fault = initiateMemRead(xc, traceData, EA, Mem, memAccessFlags);
257 }
258
259 return fault;
260 }
261}};
262
263def template LoadCompleteAcc {{
| 238 Trace::InstRecord *traceData) const
239 {
240 Addr EA;
241 Fault fault = NoFault;
242
243 if (this->isFloating()) {
244 %(fp_enable_check)s;
245
246 if(fault != NoFault)
247 return fault;
248 }
249
250 %(op_src_decl)s;
251 %(op_rd)s;
252 %(ea_code)s;
253
254 if (fault == NoFault) {
255 fault = initiateMemRead(xc, traceData, EA, Mem, memAccessFlags);
256 }
257
258 return fault;
259 }
260}};
261
262def template LoadCompleteAcc {{
|
264 Fault %(class_name)s::completeAcc(Packet *pkt,
265 CPU_EXEC_CONTEXT *xc,
| 263 Fault %(class_name)s::completeAcc(Packet *pkt, ExecContext *xc,
|
266 Trace::InstRecord *traceData) const
267 {
268 Fault fault = NoFault;
269
270 if (this->isFloating()) {
271 %(fp_enable_check)s;
272
273 if(fault != NoFault)
274 return fault;
275 }
276
277 %(op_decl)s;
278 %(op_rd)s;
279
280 getMem(pkt, Mem, traceData);
281
282 if (fault == NoFault) {
283 %(memacc_code)s;
284 }
285
286 if (fault == NoFault) {
287 %(op_wb)s;
288 }
289
290 return fault;
291 }
292}};
293
294def template StoreExecute {{
| 264 Trace::InstRecord *traceData) const
265 {
266 Fault fault = NoFault;
267
268 if (this->isFloating()) {
269 %(fp_enable_check)s;
270
271 if(fault != NoFault)
272 return fault;
273 }
274
275 %(op_decl)s;
276 %(op_rd)s;
277
278 getMem(pkt, Mem, traceData);
279
280 if (fault == NoFault) {
281 %(memacc_code)s;
282 }
283
284 if (fault == NoFault) {
285 %(op_wb)s;
286 }
287
288 return fault;
289 }
290}};
291
292def template StoreExecute {{
|
295 Fault %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
| 293 Fault %(class_name)s::execute(ExecContext *xc,
|
296 Trace::InstRecord *traceData) const
297 {
298 Addr EA;
299 Fault fault = NoFault;
300
301 %(fp_enable_check)s;
302 %(op_decl)s;
303 %(op_rd)s;
304 %(ea_code)s;
305
306 if (fault == NoFault) {
307 %(memacc_code)s;
308 }
309
310 if (fault == NoFault) {
311 fault = writeMemAtomic(xc, traceData, Mem, EA, memAccessFlags,
312 NULL);
313 }
314
315 if (fault == NoFault) {
316 %(postacc_code)s;
317 }
318
319 if (fault == NoFault) {
320 %(op_wb)s;
321 }
322
323 return fault;
324 }
325}};
326
327
328def template StoreFPExecute {{
| 294 Trace::InstRecord *traceData) const
295 {
296 Addr EA;
297 Fault fault = NoFault;
298
299 %(fp_enable_check)s;
300 %(op_decl)s;
301 %(op_rd)s;
302 %(ea_code)s;
303
304 if (fault == NoFault) {
305 %(memacc_code)s;
306 }
307
308 if (fault == NoFault) {
309 fault = writeMemAtomic(xc, traceData, Mem, EA, memAccessFlags,
310 NULL);
311 }
312
313 if (fault == NoFault) {
314 %(postacc_code)s;
315 }
316
317 if (fault == NoFault) {
318 %(op_wb)s;
319 }
320
321 return fault;
322 }
323}};
324
325
326def template StoreFPExecute {{
|
329 Fault %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
| 327 Fault %(class_name)s::execute(ExecContext *xc,
|
330 Trace::InstRecord *traceData) const
331 {
332 Addr EA;
333 Fault fault = NoFault;
334
335 %(fp_enable_check)s;
336 if(fault != NoFault)
337 return fault;
338 %(op_decl)s;
339 %(op_rd)s;
340 %(ea_code)s;
341
342 if (fault == NoFault) {
343 %(memacc_code)s;
344 }
345
346 if (fault == NoFault) {
347 fault = writeMemAtomic(xc, traceData, Mem, EA, memAccessFlags,
348 NULL);
349 }
350
351 if (fault == NoFault) {
352 %(postacc_code)s;
353 }
354
355 if (fault == NoFault) {
356 %(op_wb)s;
357 }
358
359 return fault;
360 }
361}};
362
363def template StoreCondExecute {{
| 328 Trace::InstRecord *traceData) const
329 {
330 Addr EA;
331 Fault fault = NoFault;
332
333 %(fp_enable_check)s;
334 if(fault != NoFault)
335 return fault;
336 %(op_decl)s;
337 %(op_rd)s;
338 %(ea_code)s;
339
340 if (fault == NoFault) {
341 %(memacc_code)s;
342 }
343
344 if (fault == NoFault) {
345 fault = writeMemAtomic(xc, traceData, Mem, EA, memAccessFlags,
346 NULL);
347 }
348
349 if (fault == NoFault) {
350 %(postacc_code)s;
351 }
352
353 if (fault == NoFault) {
354 %(op_wb)s;
355 }
356
357 return fault;
358 }
359}};
360
361def template StoreCondExecute {{
|
364 Fault %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
| 362 Fault %(class_name)s::execute(ExecContext *xc,
|
365 Trace::InstRecord *traceData) const
366 {
367 Addr EA;
368 Fault fault = NoFault;
369 uint64_t write_result = 0;
370
371 %(fp_enable_check)s;
372 %(op_decl)s;
373 %(op_rd)s;
374 %(ea_code)s;
375
376 if (fault == NoFault) {
377 %(memacc_code)s;
378 }
379
380 if (fault == NoFault) {
381 fault = writeMemAtomic(xc, traceData, Mem, EA, memAccessFlags,
382 &write_result);
383 }
384
385 if (fault == NoFault) {
386 %(postacc_code)s;
387 }
388
389 if (fault == NoFault) {
390 %(op_wb)s;
391 }
392
393 return fault;
394 }
395}};
396
397def template StoreInitiateAcc {{
| 363 Trace::InstRecord *traceData) const
364 {
365 Addr EA;
366 Fault fault = NoFault;
367 uint64_t write_result = 0;
368
369 %(fp_enable_check)s;
370 %(op_decl)s;
371 %(op_rd)s;
372 %(ea_code)s;
373
374 if (fault == NoFault) {
375 %(memacc_code)s;
376 }
377
378 if (fault == NoFault) {
379 fault = writeMemAtomic(xc, traceData, Mem, EA, memAccessFlags,
380 &write_result);
381 }
382
383 if (fault == NoFault) {
384 %(postacc_code)s;
385 }
386
387 if (fault == NoFault) {
388 %(op_wb)s;
389 }
390
391 return fault;
392 }
393}};
394
395def template StoreInitiateAcc {{
|
398 Fault %(class_name)s::initiateAcc(CPU_EXEC_CONTEXT *xc,
| 396 Fault %(class_name)s::initiateAcc(ExecContext *xc,
|
399 Trace::InstRecord *traceData) const
400 {
401 Addr EA;
402 Fault fault = NoFault;
403
404 %(fp_enable_check)s;
405 %(op_decl)s;
406 %(op_rd)s;
407 %(ea_code)s;
408
409 if (fault == NoFault) {
410 %(memacc_code)s;
411 }
412
413 if (fault == NoFault) {
414 fault = writeMemTiming(xc, traceData, Mem, EA, memAccessFlags,
415 NULL);
416 }
417
418 return fault;
419 }
420}};
421
422
423def template StoreCompleteAcc {{
424 Fault %(class_name)s::completeAcc(Packet *pkt,
| 397 Trace::InstRecord *traceData) const
398 {
399 Addr EA;
400 Fault fault = NoFault;
401
402 %(fp_enable_check)s;
403 %(op_decl)s;
404 %(op_rd)s;
405 %(ea_code)s;
406
407 if (fault == NoFault) {
408 %(memacc_code)s;
409 }
410
411 if (fault == NoFault) {
412 fault = writeMemTiming(xc, traceData, Mem, EA, memAccessFlags,
413 NULL);
414 }
415
416 return fault;
417 }
418}};
419
420
421def template StoreCompleteAcc {{
422 Fault %(class_name)s::completeAcc(Packet *pkt,
|
425 CPU_EXEC_CONTEXT *xc,
| 423 ExecContext *xc,
|
426 Trace::InstRecord *traceData) const
427 {
428 return NoFault;
429 }
430}};
431
432def template StoreCondCompleteAcc {{
433 Fault %(class_name)s::completeAcc(Packet *pkt,
| 424 Trace::InstRecord *traceData) const
425 {
426 return NoFault;
427 }
428}};
429
430def template StoreCondCompleteAcc {{
431 Fault %(class_name)s::completeAcc(Packet *pkt,
|
434 CPU_EXEC_CONTEXT *xc,
| 432 ExecContext *xc,
|
435 Trace::InstRecord *traceData) const
436 {
437 Fault fault = NoFault;
438
439 %(fp_enable_check)s;
440 %(op_dest_decl)s;
441
442 uint64_t write_result = pkt->req->getExtraData();
443
444 if (fault == NoFault) {
445 %(postacc_code)s;
446 }
447
448 if (fault == NoFault) {
449 %(op_wb)s;
450 }
451
452 return fault;
453 }
454}};
455
456def template MiscExecute {{
| 433 Trace::InstRecord *traceData) const
434 {
435 Fault fault = NoFault;
436
437 %(fp_enable_check)s;
438 %(op_dest_decl)s;
439
440 uint64_t write_result = pkt->req->getExtraData();
441
442 if (fault == NoFault) {
443 %(postacc_code)s;
444 }
445
446 if (fault == NoFault) {
447 %(op_wb)s;
448 }
449
450 return fault;
451 }
452}};
453
454def template MiscExecute {{
|
457 Fault %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
| 455 Fault %(class_name)s::execute(ExecContext *xc,
|
458 Trace::InstRecord *traceData) const
459 {
460 Addr EA M5_VAR_USED = 0;
461 Fault fault = NoFault;
462
463 %(fp_enable_check)s;
464 %(op_decl)s;
465 %(op_rd)s;
466 %(ea_code)s;
467
468 if (fault == NoFault) {
469 %(memacc_code)s;
470 }
471
472 return NoFault;
473 }
474}};
475
476def template MiscInitiateAcc {{
| 456 Trace::InstRecord *traceData) const
457 {
458 Addr EA M5_VAR_USED = 0;
459 Fault fault = NoFault;
460
461 %(fp_enable_check)s;
462 %(op_decl)s;
463 %(op_rd)s;
464 %(ea_code)s;
465
466 if (fault == NoFault) {
467 %(memacc_code)s;
468 }
469
470 return NoFault;
471 }
472}};
473
474def template MiscInitiateAcc {{
|
477 Fault %(class_name)s::initiateAcc(CPU_EXEC_CONTEXT *xc,
| 475 Fault %(class_name)s::initiateAcc(ExecContext *xc,
|
478 Trace::InstRecord *traceData) const
479 {
480 panic("Misc instruction does not support split access method!");
481 return NoFault;
482 }
483}};
484
485
486def template MiscCompleteAcc {{
| 476 Trace::InstRecord *traceData) const
477 {
478 panic("Misc instruction does not support split access method!");
479 return NoFault;
480 }
481}};
482
483
484def template MiscCompleteAcc {{
|
487 Fault %(class_name)s::completeAcc(Packet *pkt,
488 CPU_EXEC_CONTEXT *xc,
| 485 Fault %(class_name)s::completeAcc(Packet *pkt, ExecContext *xc,
|
489 Trace::InstRecord *traceData) const
490 {
491 panic("Misc instruction does not support split access method!");
492
493 return NoFault;
494 }
495}};
496
497def format LoadMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
498 mem_flags = [], inst_flags = []) {{
499 (header_output, decoder_output, decode_block, exec_output) = \
500 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
501 decode_template = ImmNopCheckDecode,
502 exec_template_base = 'Load')
503}};
504
505
506def format StoreMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
507 mem_flags = [], inst_flags = []) {{
508 (header_output, decoder_output, decode_block, exec_output) = \
509 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
510 exec_template_base = 'Store')
511}};
512
513def format LoadIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
514 mem_flags = [], inst_flags = []) {{
515 inst_flags += ['IsIndexed']
516 (header_output, decoder_output, decode_block, exec_output) = \
517 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
518 decode_template = ImmNopCheckDecode,
519 exec_template_base = 'Load')
520}};
521
522def format StoreIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
523 mem_flags = [], inst_flags = []) {{
524 inst_flags += ['IsIndexed']
525 (header_output, decoder_output, decode_block, exec_output) = \
526 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
527 exec_template_base = 'Store')
528}};
529
530def format LoadFPIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
531 mem_flags = [], inst_flags = []) {{
532 inst_flags += ['IsIndexed', 'IsFloating']
533 (header_output, decoder_output, decode_block, exec_output) = \
534 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
535 decode_template = ImmNopCheckDecode,
536 exec_template_base = 'Load')
537}};
538
539def format StoreFPIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
540 mem_flags = [], inst_flags = []) {{
541 inst_flags += ['IsIndexed', 'IsFloating']
542 (header_output, decoder_output, decode_block, exec_output) = \
543 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
544 exec_template_base = 'Store')
545}};
546
547
548def format LoadUnalignedMemory(memacc_code, ea_code = {{ EA = (Rs + disp) & ~3; }},
549 mem_flags = [], inst_flags = []) {{
550 decl_code = '''
551 uint32_t mem_word = Mem_uw;
552 uint32_t unalign_addr = Rs + disp;
553 uint32_t byte_offset = unalign_addr & 3;
554 if (GuestByteOrder == BigEndianByteOrder)
555 byte_offset ^= 3;
556 '''
557
558 memacc_code = decl_code + memacc_code
559
560 (header_output, decoder_output, decode_block, exec_output) = \
561 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
562 decode_template = ImmNopCheckDecode,
563 exec_template_base = 'Load')
564}};
565
566def format StoreUnalignedMemory(memacc_code, ea_code = {{ EA = (Rs + disp) & ~3; }},
567 mem_flags = [], inst_flags = []) {{
568 decl_code = '''
569 uint32_t mem_word = 0;
570 uint32_t unaligned_addr = Rs + disp;
571 uint32_t byte_offset = unaligned_addr & 3;
572 if (GuestByteOrder == BigEndianByteOrder)
573 byte_offset ^= 3;
574 fault = readMemAtomic(xc, traceData, EA, mem_word, memAccessFlags);
575 '''
576 memacc_code = decl_code + memacc_code + '\nMem = mem_word;\n'
577
578 (header_output, decoder_output, decode_block, exec_output) = \
579 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
580 exec_template_base = 'Store')
581}};
582
583def format Prefetch(ea_code = {{ EA = Rs + disp; }},
584 mem_flags = [], pf_flags = [], inst_flags = []) {{
585 pf_mem_flags = mem_flags + pf_flags + ['PREFETCH']
586 pf_inst_flags = inst_flags
587
588 (header_output, decoder_output, decode_block, exec_output) = \
589 LoadStoreBase(name, Name, ea_code,
590 'warn_once("Prefetching not implemented for MIPS\\n");',
591 pf_mem_flags, pf_inst_flags, exec_template_base = 'Misc')
592
593}};
594
595def format StoreCond(memacc_code, postacc_code,
596 ea_code = {{ EA = Rs + disp; }},
597 mem_flags = [], inst_flags = []) {{
598 (header_output, decoder_output, decode_block, exec_output) = \
599 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
600 postacc_code, exec_template_base = 'StoreCond')
601}};
| 486 Trace::InstRecord *traceData) const
487 {
488 panic("Misc instruction does not support split access method!");
489
490 return NoFault;
491 }
492}};
493
494def format LoadMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
495 mem_flags = [], inst_flags = []) {{
496 (header_output, decoder_output, decode_block, exec_output) = \
497 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
498 decode_template = ImmNopCheckDecode,
499 exec_template_base = 'Load')
500}};
501
502
503def format StoreMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
504 mem_flags = [], inst_flags = []) {{
505 (header_output, decoder_output, decode_block, exec_output) = \
506 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
507 exec_template_base = 'Store')
508}};
509
510def format LoadIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
511 mem_flags = [], inst_flags = []) {{
512 inst_flags += ['IsIndexed']
513 (header_output, decoder_output, decode_block, exec_output) = \
514 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
515 decode_template = ImmNopCheckDecode,
516 exec_template_base = 'Load')
517}};
518
519def format StoreIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
520 mem_flags = [], inst_flags = []) {{
521 inst_flags += ['IsIndexed']
522 (header_output, decoder_output, decode_block, exec_output) = \
523 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
524 exec_template_base = 'Store')
525}};
526
527def format LoadFPIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
528 mem_flags = [], inst_flags = []) {{
529 inst_flags += ['IsIndexed', 'IsFloating']
530 (header_output, decoder_output, decode_block, exec_output) = \
531 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
532 decode_template = ImmNopCheckDecode,
533 exec_template_base = 'Load')
534}};
535
536def format StoreFPIndexedMemory(memacc_code, ea_code = {{ EA = Rs + Rt; }},
537 mem_flags = [], inst_flags = []) {{
538 inst_flags += ['IsIndexed', 'IsFloating']
539 (header_output, decoder_output, decode_block, exec_output) = \
540 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
541 exec_template_base = 'Store')
542}};
543
544
545def format LoadUnalignedMemory(memacc_code, ea_code = {{ EA = (Rs + disp) & ~3; }},
546 mem_flags = [], inst_flags = []) {{
547 decl_code = '''
548 uint32_t mem_word = Mem_uw;
549 uint32_t unalign_addr = Rs + disp;
550 uint32_t byte_offset = unalign_addr & 3;
551 if (GuestByteOrder == BigEndianByteOrder)
552 byte_offset ^= 3;
553 '''
554
555 memacc_code = decl_code + memacc_code
556
557 (header_output, decoder_output, decode_block, exec_output) = \
558 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
559 decode_template = ImmNopCheckDecode,
560 exec_template_base = 'Load')
561}};
562
563def format StoreUnalignedMemory(memacc_code, ea_code = {{ EA = (Rs + disp) & ~3; }},
564 mem_flags = [], inst_flags = []) {{
565 decl_code = '''
566 uint32_t mem_word = 0;
567 uint32_t unaligned_addr = Rs + disp;
568 uint32_t byte_offset = unaligned_addr & 3;
569 if (GuestByteOrder == BigEndianByteOrder)
570 byte_offset ^= 3;
571 fault = readMemAtomic(xc, traceData, EA, mem_word, memAccessFlags);
572 '''
573 memacc_code = decl_code + memacc_code + '\nMem = mem_word;\n'
574
575 (header_output, decoder_output, decode_block, exec_output) = \
576 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
577 exec_template_base = 'Store')
578}};
579
580def format Prefetch(ea_code = {{ EA = Rs + disp; }},
581 mem_flags = [], pf_flags = [], inst_flags = []) {{
582 pf_mem_flags = mem_flags + pf_flags + ['PREFETCH']
583 pf_inst_flags = inst_flags
584
585 (header_output, decoder_output, decode_block, exec_output) = \
586 LoadStoreBase(name, Name, ea_code,
587 'warn_once("Prefetching not implemented for MIPS\\n");',
588 pf_mem_flags, pf_inst_flags, exec_template_base = 'Misc')
589
590}};
591
592def format StoreCond(memacc_code, postacc_code,
593 ea_code = {{ EA = Rs + disp; }},
594 mem_flags = [], inst_flags = []) {{
595 (header_output, decoder_output, decode_block, exec_output) = \
596 LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
597 postacc_code, exec_template_base = 'StoreCond')
598}};
|