1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
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

--- 47 unchanged lines hidden (view full) ---

56 def storeDoubleImmClassName(post, add, writeback):
57 return memClassName("STORE_IMMD", post, add, writeback,
58 4, False, False)
59
60 def storeDoubleRegClassName(post, add, writeback):
61 return memClassName("STORE_REGD", post, add, writeback,
62 4, False, False)
63
64 def emitStore(name, Name, imm, eaCode, accCode, \
65 memFlags, instFlags, base, double=False):
64 def emitStore(name, Name, imm, eaCode, accCode, postAccCode, \
65 memFlags, instFlags, base, double=False, strex=False,
66 execTemplateBase = 'Store'):
67 global header_output, decoder_output, exec_output
68
69 (newHeader,
70 newDecoder,
71 newExec) = loadStoreBase(name, Name, imm,
71 eaCode, accCode,
72 memFlags, instFlags, double,
73 base, execTemplateBase = 'Store')
72 eaCode, accCode, postAccCode,
73 memFlags, instFlags, double, strex,
74 base, execTemplateBase = execTemplateBase)
75
76 header_output += newHeader
77 decoder_output += newDecoder
78 exec_output += newExec
79
80 def buildImmStore(mnem, post, add, writeback, \
80 size=4, sign=False, user=False):
81 size=4, sign=False, user=False, strex=False):
82 name = mnem
83 Name = storeImmClassName(post, add, writeback, \
84 size, sign, user)
85
86 if add:
87 op = " +"
88 else:
89 op = " -"
90
91 offset = op + " imm"
92 eaCode = "EA = Base"
93 if not post:
94 eaCode += offset
95 eaCode += ";"
96
97 accCode = "Mem%(suffix)s = cSwap(Dest%(suffix)s, ((CPSR)Cpsr).e);" % \
98 { "suffix" : buildMemSuffix(sign, size) }
99 if writeback:
100 accCode += "Base = Base %s;\n" % offset
100 base = buildMemBase("MemoryImm", post, writeback)
101
102 emitStore(name, Name, True, eaCode, accCode, \
103 ["ArmISA::TLB::MustBeOne", \
104 "ArmISA::TLB::AllowUnaligned", \
105 "%d" % (size - 1)], [], base)
102 memFlags = ["ArmISA::TLB::MustBeOne", "%d" % (size - 1)]
103 if strex:
104 memFlags.append("Request::LLSC")
105 Name = "%s_%s" % (mnem.upper(), Name)
106 base = buildMemBase("MemoryExImm", post, writeback)
107 postAccCode = "Result = !writeResult;"
108 execTemplateBase = 'StoreEx'
109 else:
110 memFlags.append("ArmISA::TLB::AllowUnaligned")
111 base = buildMemBase("MemoryImm", post, writeback)
112 postAccCode = ""
113 execTemplateBase = 'Store'
114
115 emitStore(name, Name, True, eaCode, accCode, postAccCode, \
116 memFlags, [], base, strex=strex,
117 execTemplateBase = execTemplateBase)
118
119 def buildRegStore(mnem, post, add, writeback, \
108 size=4, sign=False, user=False):
120 size=4, sign=False, user=False, strex=False):
121 name = mnem
122 Name = storeRegClassName(post, add, writeback,
123 size, sign, user)
124
125 if add:
126 op = " +"
127 else:
128 op = " -"

--- 6 unchanged lines hidden (view full) ---

135 eaCode += ";"
136
137 accCode = "Mem%(suffix)s = cSwap(Dest%(suffix)s, ((CPSR)Cpsr).e);" % \
138 { "suffix" : buildMemSuffix(sign, size) }
139 if writeback:
140 accCode += "Base = Base %s;\n" % offset
141 base = buildMemBase("MemoryReg", post, writeback)
142
131 emitStore(name, Name, False, eaCode, accCode, \
143 emitStore(name, Name, False, eaCode, accCode, "",\
144 ["ArmISA::TLB::MustBeOne", \
145 "ArmISA::TLB::AllowUnaligned", \
146 "%d" % (size - 1)], [], base)
147
136 def buildDoubleImmStore(mnem, post, add, writeback):
148 def buildDoubleImmStore(mnem, post, add, writeback, strex=False):
149 name = mnem
150 Name = storeDoubleImmClassName(post, add, writeback)
151
152 if add:
153 op = " +"
154 else:
155 op = " -"
156

--- 5 unchanged lines hidden (view full) ---

162
163 accCode = '''
164 CPSR cpsr = Cpsr;
165 Mem.ud = (uint64_t)cSwap(Dest.uw, cpsr.e) |
166 ((uint64_t)cSwap(Dest2.uw, cpsr.e) << 32);
167 '''
168 if writeback:
169 accCode += "Base = Base %s;\n" % offset
158 base = buildMemBase("MemoryDImm", post, writeback)
170
160 emitStore(name, Name, True, eaCode, accCode, \
161 ["ArmISA::TLB::MustBeOne",
162 "ArmISA::TLB::AlignWord"], [], base, double=True)
171 memFlags = ["ArmISA::TLB::MustBeOne",
172 "ArmISA::TLB::AlignWord"]
173 if strex:
174 memFlags.append("Request::LLSC")
175 Name = "%s_%s" % (mnem.upper(), Name)
176 base = buildMemBase("MemoryExDImm", post, writeback)
177 postAccCode = "Result = !writeResult;"
178 else:
179 base = buildMemBase("MemoryDImm", post, writeback)
180 postAccCode = ""
181
182 emitStore(name, Name, True, eaCode, accCode, postAccCode, \
183 memFlags, [], base, double=True, strex=strex)
184
185 def buildDoubleRegStore(mnem, post, add, writeback):
186 name = mnem
187 Name = storeDoubleRegClassName(post, add, writeback)
188
189 if add:
190 op = " +"
191 else:
192 op = " -"

--- 9 unchanged lines hidden (view full) ---

202 CPSR cpsr = Cpsr;
203 Mem.ud = (uint64_t)cSwap(Dest.uw, cpsr.e) |
204 ((uint64_t)cSwap(Dest2.uw, cpsr.e) << 32);
205 '''
206 if writeback:
207 accCode += "Base = Base %s;\n" % offset
208 base = buildMemBase("MemoryDReg", post, writeback)
209
189 emitStore(name, Name, False, eaCode, accCode, \
190 ["ArmISA::TLB::MustBeOne", \
191 "ArmISA::TLB::AlignWord"], [], base, double=True)
210 memFlags = ["ArmISA::TLB::MustBeOne",
211 "ArmISA::TLB::AlignWord"]
212
213 emitStore(name, Name, False, eaCode, accCode, "", \
214 memFlags, [], base, double=True)
215
216 def buildStores(mnem, size=4, sign=False, user=False):
217 buildImmStore(mnem, True, True, True, size, sign, user)
218 buildRegStore(mnem, True, True, True, size, sign, user)
219 buildImmStore(mnem, True, False, True, size, sign, user)
220 buildRegStore(mnem, True, False, True, size, sign, user)
221 buildImmStore(mnem, False, True, True, size, sign, user)
222 buildRegStore(mnem, False, True, True, size, sign, user)
223 buildImmStore(mnem, False, False, True, size, sign, user)

--- 20 unchanged lines hidden (view full) ---

244 buildStores("str")
245 buildStores("strt", user=True)
246 buildStores("strb", size=1)
247 buildStores("strbt", size=1, user=True)
248 buildStores("strh", size=2)
249 buildStores("strht", size=2, user=True)
250
251 buildDoubleStores("strd")
252
253 buildImmStore("strex", False, True, False, size=4, strex=True)
254 buildImmStore("strexh", False, True, False, size=2, strex=True)
255 buildImmStore("strexb", False, True, False, size=1, strex=True)
256 buildDoubleImmStore("strexd", False, True, False, strex=True)
257}};