limmop.isa revision 4576:31f715613103
1// Copyright (c) 2007 The Hewlett-Packard Development Company
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42// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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53//
54// Authors: Gabe Black
55
56//////////////////////////////////////////////////////////////////////////
57//
58// LIMMOp Microop templates
59//
60//////////////////////////////////////////////////////////////////////////
61
62def template MicroLimmOpExecute {{
63        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
64                Trace::InstRecord *traceData) const
65        {
66            %(op_decl)s;
67            %(op_rd)s;
68            %(code)s;
69            %(op_wb)s;
70            return NoFault;
71        }
72}};
73
74def template MicroLimmOpDeclare {{
75    class %(class_name)s : public X86MicroopBase
76    {
77      protected:
78        const RegIndex dest;
79        const uint64_t imm;
80        void buildMe();
81
82      public:
83        %(class_name)s(ExtMachInst _machInst,
84                const char * instMnem,
85                bool isMicro, bool isDelayed, bool isFirst, bool isLast,
86                RegIndex _dest, uint64_t _imm);
87
88        %(class_name)s(ExtMachInst _machInst,
89                const char * instMnem,
90                RegIndex _dest, uint64_t _imm);
91
92        %(BasicExecDeclare)s
93    };
94}};
95
96def template MicroLimmOpConstructor {{
97
98    inline void %(class_name)s::buildMe()
99    {
100        %(constructor)s;
101    }
102
103    inline %(class_name)s::%(class_name)s(
104            ExtMachInst machInst, const char * instMnem,
105            RegIndex _dest, uint64_t _imm) :
106        %(base_class)s(machInst, "%(mnemonic)s", instMnem,
107                false, false, false, false, %(op_class)s),
108                dest(_dest), imm(_imm)
109    {
110        buildMe();
111    }
112
113    inline %(class_name)s::%(class_name)s(
114            ExtMachInst machInst, const char * instMnem,
115            bool isMicro, bool isDelayed, bool isFirst, bool isLast,
116            RegIndex _dest, uint64_t _imm) :
117        %(base_class)s(machInst, "%(mnemonic)s", instMnem,
118                isMicro, isDelayed, isFirst, isLast, %(op_class)s),
119                dest(_dest), imm(_imm)
120    {
121        buildMe();
122    }
123}};
124
125let {{
126    class LimmOp(X86Microop):
127        def __init__(self, dest, imm):
128            self.className = "Limm"
129            self.mnemonic = "limm"
130            self.dest = dest
131            self.imm = imm
132
133        def getAllocator(self, *microFlags):
134            allocator = '''new %(class_name)s(machInst, mnemonic
135                    %(flags)s, %(dest)s, %(imm)s)''' % {
136                "class_name" : self.className,
137                "mnemonic" : self.mnemonic,
138                "flags" : self.microFlagsText(microFlags),
139                "dest" : self.dest, "imm" : self.imm }
140            return allocator
141
142    microopClasses["limm"] = LimmOp
143}};
144
145let {{
146    # Build up the all register version of this micro op
147    iop = InstObjParams("limm", "Limm", 'X86MicroopBase',
148            {"code" : "DestReg = imm;"})
149    header_output += MicroLimmOpDeclare.subst(iop)
150    decoder_output += MicroLimmOpConstructor.subst(iop)
151    exec_output += MicroLimmOpExecute.subst(iop)
152}};
153