1// Copyright (c) AMD
2// All rights reserved.
3//
4// Authors: Marc Orr
5
6// Monitor Instruction
7
8output header {{

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42 exec_output = BasicExecute.subst(iop)
43}};
44
45
46// Mwait instruction
47
48// Declarations for execute() methods.
49def template MwaitExecDeclare {{
50 Fault execute(ExecContext *, Trace::InstRecord *) const;
51 Fault initiateAcc(ExecContext *, Trace::InstRecord *) const;
52 Fault completeAcc(PacketPtr, ExecContext *, Trace::InstRecord *) const;
53}};
54
55def template MwaitDeclare {{
56 class %(class_name)s : public %(base_class)s
57 {
58 public:
59 // Constructor.
60 %(class_name)s(ExtMachInst machInst);
61 %(MwaitExecDeclare)s
62 };
63}};
64
65def template MwaitInitiateAcc {{
66 Fault %(class_name)s::initiateAcc(ExecContext * xc,
67 Trace::InstRecord * traceData) const
68 {
69 unsigned s = 0x8; //size
70 unsigned f = 0; //flags
71 initiateMemRead(xc, traceData, xc->getAddrMonitor()->vAddr, s, f);
72 return NoFault;
73 }
74}};
75
76def template MwaitCompleteAcc {{
77 Fault %(class_name)s::completeAcc(PacketPtr pkt, ExecContext *xc,
78 Trace::InstRecord *traceData) const
79 {
80 MicroHalt hltObj(machInst, mnemonic, 0x0);
81 if(xc->mwait(pkt)) {
82 hltObj.execute(xc, traceData);
83 }
84 return NoFault;
85 }

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