X86: Add microops for reading/writing debug registers.
[gem5.git] / src / arch / x86 / isa / operands.isa
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27 // Authors: Gabe Black
28
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70 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
71 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
72 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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74 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
75 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
76 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
77 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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81 //
82 // Authors: Gabe Black
83
84 def operand_types {{
85 'sb' : ('signed int', 8),
86 'ub' : ('unsigned int', 8),
87 'sw' : ('signed int', 16),
88 'uw' : ('unsigned int', 16),
89 'sdw' : ('signed int', 32),
90 'udw' : ('unsigned int', 32),
91 'sqw' : ('signed int', 64),
92 'uqw' : ('unsigned int', 64),
93 'sf' : ('float', 32),
94 'df' : ('float', 64),
95 }};
96
97 def operands {{
98 'SrcReg1': ('IntReg', 'uqw', 'INTREG_FOLDED(src1, foldOBit)', 'IsInteger', 1),
99 'SSrcReg1': ('IntReg', 'uqw', 'src1', 'IsInteger', 1),
100 'SrcReg2': ('IntReg', 'uqw', 'INTREG_FOLDED(src2, foldOBit)', 'IsInteger', 2),
101 'SSrcReg2': ('IntReg', 'uqw', 'src2', 'IsInteger', 1),
102 'Index': ('IntReg', 'uqw', 'INTREG_FOLDED(index, foldABit)', 'IsInteger', 3),
103 'Base': ('IntReg', 'uqw', 'INTREG_FOLDED(base, foldABit)', 'IsInteger', 4),
104 'DestReg': ('IntReg', 'uqw', 'INTREG_FOLDED(dest, foldOBit)', 'IsInteger', 5),
105 'SDestReg': ('IntReg', 'uqw', 'dest', 'IsInteger', 5),
106 'Data': ('IntReg', 'uqw', 'INTREG_FOLDED(data, foldOBit)', 'IsInteger', 6),
107 'ProdLow': ('IntReg', 'uqw', 'INTREG_IMPLICIT(0)', 'IsInteger', 7),
108 'ProdHi': ('IntReg', 'uqw', 'INTREG_IMPLICIT(1)', 'IsInteger', 8),
109 'Quotient': ('IntReg', 'uqw', 'INTREG_IMPLICIT(2)', 'IsInteger', 9),
110 'Remainder': ('IntReg', 'uqw', 'INTREG_IMPLICIT(3)', 'IsInteger', 10),
111 'Divisor': ('IntReg', 'uqw', 'INTREG_IMPLICIT(4)', 'IsInteger', 11),
112 'Rax': ('IntReg', 'uqw', '(INTREG_RAX)', 'IsInteger', 12),
113 'Rbx': ('IntReg', 'uqw', '(INTREG_RBX)', 'IsInteger', 13),
114 'Rcx': ('IntReg', 'uqw', '(INTREG_RCX)', 'IsInteger', 14),
115 'Rdx': ('IntReg', 'uqw', '(INTREG_RDX)', 'IsInteger', 15),
116 'Rsp': ('IntReg', 'uqw', '(INTREG_RSP)', 'IsInteger', 16),
117 'Rbp': ('IntReg', 'uqw', '(INTREG_RBP)', 'IsInteger', 17),
118 'Rsi': ('IntReg', 'uqw', '(INTREG_RSI)', 'IsInteger', 18),
119 'Rdi': ('IntReg', 'uqw', '(INTREG_RDI)', 'IsInteger', 19),
120 'FpSrcReg1': ('FloatReg', 'df', 'src1', 'IsFloating', 20),
121 'FpSrcReg2': ('FloatReg', 'df', 'src2', 'IsFloating', 21),
122 'FpDestReg': ('FloatReg', 'df', 'dest', 'IsFloating', 22),
123 'FpData': ('FloatReg', 'df', 'data', 'IsFloating', 23),
124 'RIP': ('NPC', 'uqw', None, (None, None, 'IsControl'), 50),
125 'uIP': ('UPC', 'uqw', None, (None, None, 'IsControl'), 51),
126 'nuIP': ('NUPC', 'uqw', None, (None, None, 'IsControl'), 52),
127 # This holds the condition code portion of the flag register. The
128 # nccFlagBits version holds the rest.
129 'ccFlagBits': ('IntReg', 'uqw', 'INTREG_PSEUDO(0)', None, 60),
130 # These register should needs to be more protected so that later
131 # instructions don't map their indexes with an old value.
132 'nccFlagBits': ('ControlReg', 'uqw', 'MISCREG_RFLAGS', None, 61),
133 'TOP': ('ControlReg', 'ub', 'MISCREG_X87_TOP', None, 62),
134 # The segment base as used by memory instructions.
135 'SegBase': ('ControlReg', 'uqw', 'MISCREG_SEG_EFF_BASE(segment)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 70),
136
137 # Operands to get and set registers indexed by the operands of the
138 # original instruction.
139 'ControlDest': ('ControlReg', 'uqw', 'MISCREG_CR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 100),
140 'ControlSrc1': ('ControlReg', 'uqw', 'MISCREG_CR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 101),
141 'DebugDest': ('ControlReg', 'uqw', 'MISCREG_DR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 102),
142 'DebugSrc1': ('ControlReg', 'uqw', 'MISCREG_DR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 103),
143 'SegBaseDest': ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 104),
144 'SegBaseSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 105),
145 'SegLimitDest': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 106),
146 'SegLimitSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 107),
147 'SegSelDest': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 108),
148 'SegSelSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 109),
149 'SegAttrDest': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 110),
150 'SegAttrSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 111),
151
152 # Operands to access specific control registers directly.
153 'EferOp': ('ControlReg', 'uqw', 'MISCREG_EFER', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 200),
154 'CR4Op': ('ControlReg', 'uqw', 'MISCREG_CR4', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 201),
155 'DR7Op': ('ControlReg', 'uqw', 'MISCREG_DR7', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 202),
156 'LDTRBase': ('ControlReg', 'uqw', 'MISCREG_TSL_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 203),
157 'LDTRLimit': ('ControlReg', 'uqw', 'MISCREG_TSL_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 204),
158 'LDTRSel': ('ControlReg', 'uqw', 'MISCREG_TSL', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 205),
159 'GDTRBase': ('ControlReg', 'uqw', 'MISCREG_TSG_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 206),
160 'GDTRLimit': ('ControlReg', 'uqw', 'MISCREG_TSG_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 207),
161 'CSBase': ('ControlReg', 'udw', 'MISCREG_CS_EFF_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 208),
162 'CSAttr': ('ControlReg', 'udw', 'MISCREG_CS_ATTR', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 209),
163 'MiscRegDest': ('ControlReg', 'uqw', 'dest', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 210),
164 'MiscRegSrc1': ('ControlReg', 'uqw', 'src1', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 211),
165 'TscOp': ('ControlReg', 'uqw', 'MISCREG_TSC', (None, None, ['IsSerializeAfter', 'IsSerializing', 'IsNonSpeculative']), 212),
166 'M5Reg': ('ControlReg', 'uqw', 'MISCREG_M5_REG', (None, None, None), 213),
167 'Mem': ('Mem', 'uqw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 300)
168 }};