specialize.isa (4542:f6ca2384b304) specialize.isa (4548:1738b4f7bac8)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// Redistribution and use of this software in source and binary forms,
7// with or without modification, are permitted provided that the
8// following conditions are met:

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90 match = OpType.parser.search(opTypeString)
91 if match == None:
92 raise Exception, "Problem parsing operand type %s" % opTypeString
93 self.reg = match.group("reg")
94 self.tag = match.group("tag")
95 self.size = match.group("size")
96 self.rsize = match.group("rsize")
97
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// Redistribution and use of this software in source and binary forms,
7// with or without modification, are permitted provided that the
8// following conditions are met:

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

90 match = OpType.parser.search(opTypeString)
91 if match == None:
92 raise Exception, "Problem parsing operand type %s" % opTypeString
93 self.reg = match.group("reg")
94 self.tag = match.group("tag")
95 self.size = match.group("size")
96 self.rsize = match.group("rsize")
97
98 ModRMRegIndex = "(MODRM_REG | (REX_R << 3))"
99 ModRMRMIndex = "(MODRM_RM | (REX_B << 3))"
100
98 # This function specializes the given piece of code to use a particular
99 # set of argument types described by "opTypes".
100 def specializeInst(Name, opTypes, env):
101 print "Specializing %s with opTypes %s" % (Name, opTypes)
102 while len(opTypes):
103 # Parse the operand type string we're working with
104 opType = OpType(opTypes[0])
105

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116 elif opType.rsize == "x":
117 print "word"
118 else:
119 print "Didn't recognize fixed register size %s!" % opType.rsize
120 elif opType.tag == None or opType.size == None:
121 raise Exception, "Problem parsing operand tag: %s" % opType.tag
122 elif opType.tag in ("C", "D", "G", "P", "S", "T", "V"):
123 # Use the "reg" field of the ModRM byte to select the register
101 # This function specializes the given piece of code to use a particular
102 # set of argument types described by "opTypes".
103 def specializeInst(Name, opTypes, env):
104 print "Specializing %s with opTypes %s" % (Name, opTypes)
105 while len(opTypes):
106 # Parse the operand type string we're working with
107 opType = OpType(opTypes[0])
108

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119 elif opType.rsize == "x":
120 print "word"
121 else:
122 print "Didn't recognize fixed register size %s!" % opType.rsize
123 elif opType.tag == None or opType.size == None:
124 raise Exception, "Problem parsing operand tag: %s" % opType.tag
125 elif opType.tag in ("C", "D", "G", "P", "S", "T", "V"):
126 # Use the "reg" field of the ModRM byte to select the register
124 env.addReg("(uint8_t)MODRM_REG")
127 env.addReg(ModRMRegIndex)
125 elif opType.tag in ("E", "Q", "W"):
126 # This might refer to memory or to a register. We need to
127 # divide it up farther.
128 regTypes = copy.copy(opTypes)
129 regTypes.pop(0)
130 regEnv = copy.copy(env)
128 elif opType.tag in ("E", "Q", "W"):
129 # This might refer to memory or to a register. We need to
130 # divide it up farther.
131 regTypes = copy.copy(opTypes)
132 regTypes.pop(0)
133 regEnv = copy.copy(env)
131 regEnv.addReg("(uint8_t)MODRM_RM")
134 regEnv.addReg(ModRMRMIndex)
132 # This needs to refer to memory, but we'll fill in the details
133 # later. It needs to take into account unaligned memory
134 # addresses.
135 memTypes = copy.copy(opTypes)
136 memTypes.pop(0)
137 memEnv = copy.copy(env)
138 print "%0"
139 return doSplitDecode(Name, specializeInst, "MODRM_MOD",

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144 elif opType.tag == "M":
145 # This needs to refer to memory, but we'll fill in the details
146 # later. It needs to take into account unaligned memory
147 # addresses.
148 print "%0"
149 elif opType.tag in ("PR", "R", "VR"):
150 # There should probably be a check here to verify that mod
151 # is equal to 11b
135 # This needs to refer to memory, but we'll fill in the details
136 # later. It needs to take into account unaligned memory
137 # addresses.
138 memTypes = copy.copy(opTypes)
139 memTypes.pop(0)
140 memEnv = copy.copy(env)
141 print "%0"
142 return doSplitDecode(Name, specializeInst, "MODRM_MOD",

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147 elif opType.tag == "M":
148 # This needs to refer to memory, but we'll fill in the details
149 # later. It needs to take into account unaligned memory
150 # addresses.
151 print "%0"
152 elif opType.tag in ("PR", "R", "VR"):
153 # There should probably be a check here to verify that mod
154 # is equal to 11b
152 env.addReg("(uint8_t)MODRM_RM")
155 env.addReg(ModRMRMIndex)
153 else:
154 raise Exception, "Unrecognized tag %s." % opType.tag
155 opTypes.pop(0)
156
157 # Generate code to return a macroop of the given name which will
158 # operate in the given "emulation environment"
159 return genMacroop(Name, env)
160}};
156 else:
157 raise Exception, "Unrecognized tag %s." % opType.tag
158 opTypes.pop(0)
159
160 # Generate code to return a macroop of the given name which will
161 # operate in the given "emulation environment"
162 return genMacroop(Name, env)
163}};