basicmem.isa (3388:1c6ebfc4c20e) basicmem.isa (3391:3b6298cab636)
1// Copyright (c) 2006 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright

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141
142 %(InitiateAccDeclare)s
143
144 %(CompleteAccDeclare)s
145 };
146}};
147
148let {{
1// Copyright (c) 2006 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright

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

141
142 %(InitiateAccDeclare)s
143
144 %(CompleteAccDeclare)s
145 };
146}};
147
148let {{
149 # XXX Need to take care of pstate.hpriv as well. The lower ASIs are split
150 # into ones that are available in priv and hpriv, and those that are only
151 # available in hpriv
152 privilegedString = '''if(bits(Pstate,2,2) == 0 && (EXT_ASI & 0x80) == 0)
153 return new PrivilegedAction;
154 if(AsiIsAsIfUser(EXT_ASI) && !bits(Pstate,2,2))
155 return new PrivilegedAction;'''
156
157 def doMemFormat(code, execute, priv, name, Name, opt_flags):
149 def doMemFormat(code, execute, faultCode, name, Name, opt_flags):
158 addrCalcReg = 'EA = Rs1 + Rs2;'
159 addrCalcImm = 'EA = Rs1 + imm;'
160 iop = InstObjParams(name, Name, 'Mem', code,
150 addrCalcReg = 'EA = Rs1 + Rs2;'
151 addrCalcImm = 'EA = Rs1 + imm;'
152 iop = InstObjParams(name, Name, 'Mem', code,
161 opt_flags, {"priv_check": priv, "ea_code": addrCalcReg})
153 opt_flags, {"fault_check": faultCode, "ea_code": addrCalcReg})
162 iop_imm = InstObjParams(name, Name + "Imm", 'MemImm', code,
154 iop_imm = InstObjParams(name, Name + "Imm", 'MemImm', code,
163 opt_flags, {"priv_check": priv, "ea_code": addrCalcImm})
155 opt_flags, {"fault_check": faultCode, "ea_code": addrCalcImm})
164 header_output = MemDeclare.subst(iop) + MemDeclare.subst(iop_imm)
165 decoder_output = BasicConstructor.subst(iop) + BasicConstructor.subst(iop_imm)
166 decode_block = ROrImmDecode.subst(iop)
167 exec_output = doSplitExecute(code, addrCalcReg, addrCalcImm, execute,
156 header_output = MemDeclare.subst(iop) + MemDeclare.subst(iop_imm)
157 decoder_output = BasicConstructor.subst(iop) + BasicConstructor.subst(iop_imm)
158 decode_block = ROrImmDecode.subst(iop)
159 exec_output = doSplitExecute(code, addrCalcReg, addrCalcImm, execute,
168 priv, name, name + "Imm", Name, Name + "Imm", opt_flags)
160 faultCode, name, name + "Imm", Name, Name + "Imm", opt_flags)
169 return (header_output, decoder_output, exec_output, decode_block)
170}};
171
172def format LoadAlt(code, *opt_flags) {{
173 (header_output,
174 decoder_output,
175 exec_output,
176 decode_block) = doMemFormat(code, LoadExecute,
161 return (header_output, decoder_output, exec_output, decode_block)
162}};
163
164def format LoadAlt(code, *opt_flags) {{
165 (header_output,
166 decoder_output,
167 exec_output,
168 decode_block) = doMemFormat(code, LoadExecute,
177 privelegedString, name, Name, opt_flags)
169 AlternateAsiPrivFaultCheck, name, Name, opt_flags)
178}};
179
180def format StoreAlt(code, *opt_flags) {{
181 (header_output,
182 decoder_output,
183 exec_output,
184 decode_block) = doMemFormat(code, StoreExecute,
170}};
171
172def format StoreAlt(code, *opt_flags) {{
173 (header_output,
174 decoder_output,
175 exec_output,
176 decode_block) = doMemFormat(code, StoreExecute,
185 privilegedString, name, Name, opt_flags)
177 AlternateAsiPrivFaultCheck, name, Name, opt_flags)
186}};
187
188def format Load(code, *opt_flags) {{
189 (header_output,
190 decoder_output,
191 exec_output,
192 decode_block) = doMemFormat(code,
193 LoadExecute, '', name, Name, opt_flags)
194}};
195
196def format Store(code, *opt_flags) {{
197 (header_output,
198 decoder_output,
199 exec_output,
200 decode_block) = doMemFormat(code,
201 StoreExecute, '', name, Name, opt_flags)
202}};
178}};
179
180def format Load(code, *opt_flags) {{
181 (header_output,
182 decoder_output,
183 exec_output,
184 decode_block) = doMemFormat(code,
185 LoadExecute, '', name, Name, opt_flags)
186}};
187
188def format Store(code, *opt_flags) {{
189 (header_output,
190 decoder_output,
191 exec_output,
192 decode_block) = doMemFormat(code,
193 StoreExecute, '', name, Name, opt_flags)
194}};