1// -*- mode:c++ -*-
2
3// Copyright (c) 2015 Riscv Developers
4// Copyright (c) 2016 The University of Virginia
5// All rights reserved.
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions are

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47
48 class %(class_name)sLoad : public %(base_class)sMicro
49 {
50 public:
51 // Constructor
52 %(class_name)sLoad(ExtMachInst machInst, %(class_name)s *_p);
53
54 Fault execute(ExecContext *, Trace::InstRecord *) const;
55 Fault eaComp(ExecContext *, Trace::InstRecord *) const;
56 Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
57 Fault completeAcc(PacketPtr, ExecContext *,
58 Trace::InstRecord *) const;
59 };
60
61 class %(class_name)sStore : public %(base_class)sMicro
62 {
63 public:
64 // Constructor
65 %(class_name)sStore(ExtMachInst machInst, %(class_name)s *_p);
66
67 Fault execute(ExecContext *, Trace::InstRecord *) const;
68 Fault eaComp(ExecContext *, Trace::InstRecord *) const;
69 Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
70 Fault completeAcc(PacketPtr, ExecContext *,
71 Trace::InstRecord *) const;
72 };
73 };
74}};
75
76def template LRSCConstructor {{

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207 if (fault == NoFault) {
208 %(op_wb)s;
209 }
210
211 return fault;
212 }
213}};
214
215def template AtomicMemOpEACompExecute {{
216 Fault
217 %(class_name)s::%(class_name)s%(op_name)s::eaComp(ExecContext *xc,
218 Trace::InstRecord *traceData) const
219 {
220 Addr EA;
221 Fault fault = NoFault;
222
223 %(op_decl)s;
224 %(op_rd)s;
225 %(ea_code)s;
226
227 if (fault == NoFault) {
228 %(op_wb)s;
229 xc->setEA(EA);
230 }
231
232 return fault;
233 }
234}};
235
236def template AtomicMemOpLoadInitiateAcc {{
237 Fault %(class_name)s::%(class_name)sLoad::initiateAcc(ExecContext *xc,
238 Trace::InstRecord *traceData) const
239 {
240 Addr EA;
241 Fault fault = NoFault;
242
243 %(op_src_decl)s;

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344 'postacc_code': postacc_code}, inst_flags)
345 iop.constructor += '\n\tmemAccessFlags = memAccessFlags | ' + \
346 '|'.join(['Request::%s' % flag for flag in mem_flags]) + ';'
347
348 header_output = LoadStoreDeclare.subst(iop)
349 decoder_output = LRSCConstructor.subst(iop)
350 decode_block = BasicDecode.subst(iop)
351 exec_output = LoadExecute.subst(iop) \
352 + EACompExecute.subst(iop) \
353 + LoadInitiateAcc.subst(iop) \
354 + LoadCompleteAcc.subst(iop)
355}};
356
357def format StoreCond(memacc_code, postacc_code={{ }}, ea_code={{EA = Rs1;}},
358 mem_flags=[], inst_flags=[]) {{
359 mem_flags = makeList(mem_flags)
360 inst_flags = makeList(inst_flags)
361 iop = InstObjParams(name, Name, 'StoreCond',
362 {'ea_code': ea_code, 'memacc_code': memacc_code,
363 'postacc_code': postacc_code}, inst_flags)
364 iop.constructor += '\n\tmemAccessFlags = memAccessFlags | ' + \
365 '|'.join(['Request::%s' % flag for flag in mem_flags]) + ';'
366
367 header_output = LoadStoreDeclare.subst(iop)
368 decoder_output = LRSCConstructor.subst(iop)
369 decode_block = BasicDecode.subst(iop)
370 exec_output = StoreCondExecute.subst(iop) \
371 + EACompExecute.subst(iop) \
372 + StoreInitiateAcc.subst(iop) \
373 + StoreCondCompleteAcc.subst(iop)
374}};
375
376def format AtomicMemOp(load_code, store_code, ea_code, load_flags=[],
377 store_flags=[], inst_flags=[]) {{
378 macro_iop = InstObjParams(name, Name, 'AtomicMemOp', ea_code, inst_flags)
379 header_output = AtomicMemOpDeclare.subst(macro_iop)
380 decoder_output = AtomicMemOpMacroConstructor.subst(macro_iop)
381 decode_block = BasicDecode.subst(macro_iop)
382 exec_output = ''
383
384 load_inst_flags = makeList(inst_flags) + ["IsMemRef", "IsLoad"]
385 load_iop = InstObjParams(name, Name, 'AtomicMemOpMicro',
386 {'ea_code': ea_code, 'code': load_code, 'op_name': 'Load'},
387 load_inst_flags)
388 decoder_output += AtomicMemOpLoadConstructor.subst(load_iop)
389 exec_output += AtomicMemOpLoadExecute.subst(load_iop) \
390 + AtomicMemOpEACompExecute.subst(load_iop) \
391 + AtomicMemOpLoadInitiateAcc.subst(load_iop) \
392 + AtomicMemOpLoadCompleteAcc.subst(load_iop)
393
394 store_inst_flags = makeList(inst_flags) + ["IsMemRef", "IsStore"]
395 store_iop = InstObjParams(name, Name, 'AtomicMemOpMicro',
396 {'ea_code': ea_code, 'code': store_code, 'op_name': 'Store'},
397 store_inst_flags)
398 decoder_output += AtomicMemOpStoreConstructor.subst(store_iop)
399 exec_output += AtomicMemOpStoreExecute.subst(store_iop) \
400 + AtomicMemOpEACompExecute.subst(store_iop) \
401 + AtomicMemOpStoreInitiateAcc.subst(store_iop) \
402 + AtomicMemOpStoreCompleteAcc.subst(store_iop)
403}};