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X86: Make the stupd microop not update registers in initiateAcc.

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This commit is contained in:
Gabe Black 2009-02-25 10:15:56 -08:00
parent 5605079b1f
commit 1b336a8fe7
1 changed files with 16 additions and 13 deletions
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29
src/arch/x86/isa/microops/ldstop.isa
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@ -228,6 +228,7 @@ def template MicroStoreExecute {{
fault = write(xc, Mem, EA, (%(mem_flags)s) | segment);
if(fault == NoFault)
{
%(post_code)s;
%(op_wb)s;
}
}
@ -252,20 +253,20 @@ def template MicroStoreInitiateAcc {{
if(fault == NoFault)
{
fault = write(xc, Mem, EA, (%(mem_flags)s) | segment);
if(fault == NoFault)
{
%(op_wb)s;
}
write(xc, Mem, EA, (%(mem_flags)s) | segment);
}
return fault;
}
}};
def template MicroStoreCompleteAcc {{
Fault %(class_name)s::completeAcc(PacketPtr, %(CPU_exec_context)s * xc,
Trace::InstRecord * traceData) const
Fault %(class_name)s::completeAcc(PacketPtr pkt,
%(CPU_exec_context)s * xc, Trace::InstRecord * traceData) const
{
%(op_decl)s;
%(op_rd)s;
%(complete_code)s;
%(op_wb)s;
return NoFault;
}
}};
@ -419,7 +420,8 @@ let {{
defineMicroLoadOp('Ldst', 'Data = merge(Data, Mem, dataSize);', 'StoreCheck')
defineMicroLoadOp('Ldfp', 'FpData.uqw = Mem;')
def defineMicroStoreOp(mnemonic, code, mem_flags=0):
def defineMicroStoreOp(mnemonic, code, \
postCode="", completeCode="", mem_flags=0):
global header_output
global decoder_output
global exec_output
@ -430,6 +432,8 @@ let {{
# Build up the all register version of this micro op
iop = InstObjParams(name, Name, 'X86ISA::LdStOp',
{"code": code,
"post_code": postCode,
"complete_code": completeCode,
"ea_code": calculateEA,
"mem_flags": mem_flags})
header_output += MicroLdStOpDeclare.subst(iop)
@ -450,11 +454,10 @@ let {{
defineMicroStoreOp('St', 'Mem = Data;')
defineMicroStoreOp('Stfp', 'Mem = FpData.uqw;')
defineMicroStoreOp('Stupd', '''
Mem = Data;
Base = merge(Base, EA - SegBase, addressSize);
''');
defineMicroStoreOp('Cda', 'Mem = 0;', "Request::NO_ACCESS")
defineMicroStoreOp('Stupd', 'Mem = Data;',
'Base = merge(Base, EA - SegBase, addressSize);',
'Base = merge(Base, pkt->req->getVaddr() - SegBase, addressSize);');
defineMicroStoreOp('Cda', 'Mem = 0;', mem_flags="Request::NO_ACCESS")
iop = InstObjParams("lea", "Lea", 'X86ISA::LdStOp',
{"code": "Data = merge(Data, EA, dataSize);",