1// Copyright (c) 2007 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 --- 25 unchanged lines hidden (view full) --- 34 { 35 Fault fault = NoFault; 36 //This is to support the conditional store in cas instructions. 37 //It should be optomized out in all the others 38 bool storeCond = true; 39 Addr EA; 40 %(fp_enable_check)s; 41 %(op_decl)s; |
42 uint64_t mem_data; |
43 44 %(op_rd)s; 45 %(ea_code)s; 46 DPRINTF(Sparc, "%s: The address is 0x%x\n", mnemonic, EA); 47 %(fault_check)s; 48 if(fault == NoFault) 49 { 50 %(code)s; 51 } 52 if(storeCond && fault == NoFault) 53 { |
54 %(EA_trunc)s |
55 fault = xc->write((uint%(mem_acc_size)s_t)Mem, 56 EA, %(asi_val)s, &mem_data); 57 } 58 if(fault == NoFault) 59 { 60 //Handle the swapping 61 %(postacc_code)s; 62 } --- 24 unchanged lines hidden (view full) --- 87 %(fault_check)s; 88 89 if(fault == NoFault) 90 { 91 %(code)s; 92 } 93 if(fault == NoFault) 94 { |
95 %(EA_trunc)s |
96 fault = xc->write((uint%(mem_acc_size)s_t)Mem, 97 EA, %(asi_val)s, &mem_data); 98 } 99 return fault; 100 } 101}}; 102 103 --- 50 unchanged lines hidden (view full) --- 154}}; 155 156 157let {{ 158 def doCasFormat(code, execute, faultCode, name, Name, asi, opt_flags, postacc_code = ''): 159 addrCalcReg = 'EA = Rs1;' 160 iop = InstObjParams(name, Name, 'Mem', 161 {"code": code, "postacc_code" : postacc_code, |
162 "fault_check": faultCode, "ea_code": addrCalcReg, 163 "EA_trunc" : TruncateEA}, opt_flags) |
164 header_output = MemDeclare.subst(iop) 165 decoder_output = BasicConstructor.subst(iop) 166 decode_block = BasicDecode.subst(iop) 167 microParams = {"code": code, "postacc_code" : postacc_code, |
168 "ea_code" : addrCalcReg, "fault_check" : faultCode, 169 "EA_trunc" : TruncateEA} |
170 exec_output = doSplitExecute(execute, name, Name, asi, 171 ["IsStoreConditional"], microParams); 172 return (header_output, decoder_output, exec_output, decode_block) 173}}; 174 175 176def format CasAlt(code, postacc_code, asi, mem_flags, *opt_flags) {{ 177 mem_flags = makeList(mem_flags) 178 mem_flags.append(asi) 179 flags = string.join(mem_flags, '|') 180 (header_output, 181 decoder_output, 182 exec_output, 183 decode_block) = doCasFormat(code, SwapFuncs, AlternateASIPrivFaultCheck, 184 name, Name, flags, ["IsStoreConditional"], postacc_code) 185}}; 186 187 |