util.isa (2980:eab855f06b79) util.isa (3953:300d526414e6)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2006 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright

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35 decode_template = BasicDecode, exec_template_base = ''):
36 # Make sure flags are in lists (convert to lists if not).
37 mem_flags = makeList(mem_flags)
38 inst_flags = makeList(inst_flags)
39
40 # add hook to get effective addresses into execution trace output.
41 ea_code += '\nif (traceData) { traceData->setAddr(EA); }\n'
42
1// -*- mode:c++ -*-
2
3// Copyright (c) 2006 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright

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

35 decode_template = BasicDecode, exec_template_base = ''):
36 # Make sure flags are in lists (convert to lists if not).
37 mem_flags = makeList(mem_flags)
38 inst_flags = makeList(inst_flags)
39
40 # add hook to get effective addresses into execution trace output.
41 ea_code += '\nif (traceData) { traceData->setAddr(EA); }\n'
42
43 # generate code block objects
44 ea_cblk = CodeBlock(ea_code)
45 memacc_cblk = CodeBlock(memacc_code)
46 postacc_cblk = CodeBlock(postacc_code)
47
48 # Some CPU models execute the memory operation as an atomic unit,
49 # while others want to separate them into an effective address
50 # computation and a memory access operation. As a result, we need
51 # to generate three StaticInst objects. Note that the latter two
52 # are nested inside the larger "atomic" one.
53
43 # Some CPU models execute the memory operation as an atomic unit,
44 # while others want to separate them into an effective address
45 # computation and a memory access operation. As a result, we need
46 # to generate three StaticInst objects. Note that the latter two
47 # are nested inside the larger "atomic" one.
48
54 # generate InstObjParams for EAComp object
55 ea_iop = InstObjParams(name, Name, base_class, ea_cblk, inst_flags)
49 # Generate InstObjParams for each of the three objects. Note that
50 # they differ only in the set of code objects contained (which in
51 # turn affects the object's overall operand list).
52 iop = InstObjParams(name, Name, base_class,
53 { 'ea_code':ea_code, 'memacc_code':memacc_code, 'postacc_code':postacc_code },
54 inst_flags)
55 ea_iop = InstObjParams(name, Name, base_class,
56 { 'ea_code':ea_code },
57 inst_flags)
58 memacc_iop = InstObjParams(name, Name, base_class,
59 { 'memacc_code':memacc_code, 'postacc_code':postacc_code },
60 inst_flags)
56
61
57 # generate InstObjParams for MemAcc object
58 memacc_iop = InstObjParams(name, Name, base_class, memacc_cblk, inst_flags)
59 # in the split execution model, the MemAcc portion is responsible
60 # for the post-access code.
61 memacc_iop.postacc_code = postacc_cblk.code
62
63 # generate InstObjParams for InitiateAcc, CompleteAcc object
64 # The code used depends on the template being used
65 if (exec_template_base == 'Load'):
66 initiateacc_cblk = CodeBlock(ea_code + memacc_code)
67 completeacc_cblk = CodeBlock(memacc_code + postacc_code)
68 elif (exec_template_base.startswith('Store')):
69 initiateacc_cblk = CodeBlock(ea_code + memacc_code)
70 completeacc_cblk = CodeBlock(postacc_code)
71 else:
72 initiateacc_cblk = ''
73 completeacc_cblk = ''
74
75 initiateacc_iop = InstObjParams(name, Name, base_class, initiateacc_cblk,
76 inst_flags)
77
78 completeacc_iop = InstObjParams(name, Name, base_class, completeacc_cblk,
79 inst_flags)
80
81 if (exec_template_base == 'Load'):
82 initiateacc_iop.ea_code = ea_cblk.code
83 initiateacc_iop.memacc_code = memacc_cblk.code
84 completeacc_iop.memacc_code = memacc_cblk.code
85 completeacc_iop.postacc_code = postacc_cblk.code
86 elif (exec_template_base.startswith('Store')):
87 initiateacc_iop.ea_code = ea_cblk.code
88 initiateacc_iop.memacc_code = memacc_cblk.code
89 completeacc_iop.postacc_code = postacc_cblk.code
90
91 # generate InstObjParams for unified execution
92 cblk = CodeBlock(ea_code + memacc_code + postacc_code)
93 iop = InstObjParams(name, Name, base_class, cblk, inst_flags)
94
95 iop.ea_constructor = ea_cblk.constructor
96 iop.ea_code = ea_cblk.code
97 iop.memacc_constructor = memacc_cblk.constructor
98 iop.memacc_code = memacc_cblk.code
99 iop.postacc_code = postacc_cblk.code
100
101 if mem_flags:
102 s = '\n\tmemAccessFlags = ' + string.join(mem_flags, '|') + ';'
103 iop.constructor += s
104 memacc_iop.constructor += s
105
106 # select templates
107
108 # define aliases... most StoreCond templates are the same as the
109 # corresponding Store templates (only CompleteAcc is different).
110 StoreCondMemAccExecute = StoreMemAccExecute
111 StoreCondExecute = StoreExecute
112 StoreCondInitiateAcc = StoreInitiateAcc
113
114 memAccExecTemplate = eval(exec_template_base + 'MemAccExecute')
115 fullExecTemplate = eval(exec_template_base + 'Execute')
116 initiateAccTemplate = eval(exec_template_base + 'InitiateAcc')
117 completeAccTemplate = eval(exec_template_base + 'CompleteAcc')
118
119 # (header_output, decoder_output, decode_block, exec_output)
62 if mem_flags:
63 s = '\n\tmemAccessFlags = ' + string.join(mem_flags, '|') + ';'
64 iop.constructor += s
65 memacc_iop.constructor += s
66
67 # select templates
68
69 # define aliases... most StoreCond templates are the same as the
70 # corresponding Store templates (only CompleteAcc is different).
71 StoreCondMemAccExecute = StoreMemAccExecute
72 StoreCondExecute = StoreExecute
73 StoreCondInitiateAcc = StoreInitiateAcc
74
75 memAccExecTemplate = eval(exec_template_base + 'MemAccExecute')
76 fullExecTemplate = eval(exec_template_base + 'Execute')
77 initiateAccTemplate = eval(exec_template_base + 'InitiateAcc')
78 completeAccTemplate = eval(exec_template_base + 'CompleteAcc')
79
80 # (header_output, decoder_output, decode_block, exec_output)
120 return (LoadStoreDeclare.subst(iop), LoadStoreConstructor.subst(iop),
81 return (LoadStoreDeclare.subst(iop),
82 EACompConstructor.subst(ea_iop)
83 + MemAccConstructor.subst(memacc_iop)
84 + LoadStoreConstructor.subst(iop),
121 decode_template.subst(iop),
122 EACompExecute.subst(ea_iop)
123 + memAccExecTemplate.subst(memacc_iop)
124 + fullExecTemplate.subst(iop)
85 decode_template.subst(iop),
86 EACompExecute.subst(ea_iop)
87 + memAccExecTemplate.subst(memacc_iop)
88 + fullExecTemplate.subst(iop)
125 + initiateAccTemplate.subst(initiateacc_iop)
126 + completeAccTemplate.subst(completeacc_iop))
89 + initiateAccTemplate.subst(iop)
90 + completeAccTemplate.subst(iop))
127}};
91}};
92
93
128output header {{
129 std::string inst2string(MachInst machInst);
130}};
131
132output decoder {{
133
134std::string inst2string(MachInst machInst)
135{

--- 54 unchanged lines hidden --- 		94output header {{
95 std::string inst2string(MachInst machInst);
96}};
97
98output decoder {{
99
100std::string inst2string(MachInst machInst)
101{

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