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authorGabe Black <gblack@eecs.umich.edu>2009-07-17 00:29:56 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-07-17 00:29:56 -0700
commit7b6587fc9cbd5e7e7930abbc5c6e2683e527f629 (patch)
tree365cdf3db2565269cec735b380c33a8d12a24a46 /src/arch/x86
parentdf378285f8e2aaf8e1a1bd54f862ed7c7a073e28 (diff)
downloadgem5-7b6587fc9cbd5e7e7930abbc5c6e2683e527f629.tar.xz
X86: Tame the wilds of def operands.
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/isa/operands.isa133
1 files changed, 76 insertions, 57 deletions
diff --git a/src/arch/x86/isa/operands.isa b/src/arch/x86/isa/operands.isa
index ab1e9a851..5ea803bfc 100644
--- a/src/arch/x86/isa/operands.isa
+++ b/src/arch/x86/isa/operands.isa
@@ -94,75 +94,94 @@ def operand_types {{
'df' : ('float', 64),
}};
+let {{
+ def foldInt(idx, foldBit, id):
+ return ('IntReg', 'uqw', 'INTREG_FOLDED(%s, %s)' % (idx, foldBit),
+ 'IsInteger', id)
+ def intReg(idx, id):
+ return ('IntReg', 'uqw', idx, 'IsInteger', id)
+ def impIntReg(idx, id):
+ return ('IntReg', 'uqw', 'INTREG_IMPLICIT(%s)' % idx, 'IsInteger', id)
+ def floatReg(idx, id):
+ return ('FloatReg', 'df', idx, 'IsFloating', id)
+ def controlReg(idx, id, ctype = 'uqw'):
+ return ('ControlReg', ctype, idx,
+ (None, None, ['IsSerializeAfter',
+ 'IsSerializing',
+ 'IsNonSpeculative']),
+ id)
+}};
+
def operands {{
- 'SrcReg1': ('IntReg', 'uqw', 'INTREG_FOLDED(src1, foldOBit)', 'IsInteger', 1),
- 'SSrcReg1': ('IntReg', 'uqw', 'src1', 'IsInteger', 1),
- 'SrcReg2': ('IntReg', 'uqw', 'INTREG_FOLDED(src2, foldOBit)', 'IsInteger', 2),
- 'SSrcReg2': ('IntReg', 'uqw', 'src2', 'IsInteger', 1),
- 'Index': ('IntReg', 'uqw', 'INTREG_FOLDED(index, foldABit)', 'IsInteger', 3),
- 'Base': ('IntReg', 'uqw', 'INTREG_FOLDED(base, foldABit)', 'IsInteger', 4),
- 'DestReg': ('IntReg', 'uqw', 'INTREG_FOLDED(dest, foldOBit)', 'IsInteger', 5),
- 'SDestReg': ('IntReg', 'uqw', 'dest', 'IsInteger', 5),
- 'Data': ('IntReg', 'uqw', 'INTREG_FOLDED(data, foldOBit)', 'IsInteger', 6),
- 'ProdLow': ('IntReg', 'uqw', 'INTREG_IMPLICIT(0)', 'IsInteger', 7),
- 'ProdHi': ('IntReg', 'uqw', 'INTREG_IMPLICIT(1)', 'IsInteger', 8),
- 'Quotient': ('IntReg', 'uqw', 'INTREG_IMPLICIT(2)', 'IsInteger', 9),
- 'Remainder': ('IntReg', 'uqw', 'INTREG_IMPLICIT(3)', 'IsInteger', 10),
- 'Divisor': ('IntReg', 'uqw', 'INTREG_IMPLICIT(4)', 'IsInteger', 11),
- 'Rax': ('IntReg', 'uqw', '(INTREG_RAX)', 'IsInteger', 12),
- 'Rbx': ('IntReg', 'uqw', '(INTREG_RBX)', 'IsInteger', 13),
- 'Rcx': ('IntReg', 'uqw', '(INTREG_RCX)', 'IsInteger', 14),
- 'Rdx': ('IntReg', 'uqw', '(INTREG_RDX)', 'IsInteger', 15),
- 'Rsp': ('IntReg', 'uqw', '(INTREG_RSP)', 'IsInteger', 16),
- 'Rbp': ('IntReg', 'uqw', '(INTREG_RBP)', 'IsInteger', 17),
- 'Rsi': ('IntReg', 'uqw', '(INTREG_RSI)', 'IsInteger', 18),
- 'Rdi': ('IntReg', 'uqw', '(INTREG_RDI)', 'IsInteger', 19),
- 'FpSrcReg1': ('FloatReg', 'df', 'src1', 'IsFloating', 20),
- 'FpSrcReg2': ('FloatReg', 'df', 'src2', 'IsFloating', 21),
- 'FpDestReg': ('FloatReg', 'df', 'dest', 'IsFloating', 22),
- 'FpData': ('FloatReg', 'df', 'data', 'IsFloating', 23),
+ 'SrcReg1': foldInt('src1', 'foldOBit', 1),
+ 'SSrcReg1': intReg('src1', 1),
+ 'SrcReg2': foldInt('src2', 'foldOBit', 2),
+ 'SSrcReg2': intReg('src2', 1),
+ 'Index': foldInt('index', 'foldABit', 3),
+ 'Base': foldInt('base', 'foldABit', 4),
+ 'DestReg': foldInt('dest', 'foldOBit', 5),
+ 'SDestReg': intReg('dest', 5),
+ 'Data': foldInt('data', 'foldOBit', 6),
+ 'ProdLow': impIntReg(0, 7),
+ 'ProdHi': impIntReg(1, 8),
+ 'Quotient': impIntReg(2, 9),
+ 'Remainder': impIntReg(3, 10),
+ 'Divisor': impIntReg(4, 11),
+ 'Rax': intReg('(INTREG_RAX)', 12),
+ 'Rbx': intReg('(INTREG_RBX)', 13),
+ 'Rcx': intReg('(INTREG_RCX)', 14),
+ 'Rdx': intReg('(INTREG_RDX)', 15),
+ 'Rsp': intReg('(INTREG_RSP)', 16),
+ 'Rbp': intReg('(INTREG_RBP)', 17),
+ 'Rsi': intReg('(INTREG_RSI)', 18),
+ 'Rdi': intReg('(INTREG_RDI)', 19),
+ 'FpSrcReg1': floatReg('src1', 20),
+ 'FpSrcReg2': floatReg('src2', 21),
+ 'FpDestReg': floatReg('dest', 22),
+ 'FpData': floatReg('data', 23),
'RIP': ('NPC', 'uqw', None, (None, None, 'IsControl'), 50),
'uIP': ('UPC', 'uqw', None, (None, None, 'IsControl'), 51),
'nuIP': ('NUPC', 'uqw', None, (None, None, 'IsControl'), 52),
# This holds the condition code portion of the flag register. The
# nccFlagBits version holds the rest.
- 'ccFlagBits': ('IntReg', 'uqw', 'INTREG_PSEUDO(0)', None, 60),
+ 'ccFlagBits': intReg('INTREG_PSEUDO(0)', 60),
# These register should needs to be more protected so that later
# instructions don't map their indexes with an old value.
- 'nccFlagBits': ('ControlReg', 'uqw', 'MISCREG_RFLAGS', None, 61),
- 'TOP': ('ControlReg', 'ub', 'MISCREG_X87_TOP', None, 62),
+ 'nccFlagBits': controlReg('MISCREG_RFLAGS', 61),
+ 'TOP': controlReg('MISCREG_X87_TOP', 62, ctype='ub'),
# The segment base as used by memory instructions.
- 'SegBase': ('ControlReg', 'uqw', 'MISCREG_SEG_EFF_BASE(segment)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 70),
+ 'SegBase': controlReg('MISCREG_SEG_EFF_BASE(segment)', 70),
# Operands to get and set registers indexed by the operands of the
# original instruction.
- 'ControlDest': ('ControlReg', 'uqw', 'MISCREG_CR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 100),
- 'ControlSrc1': ('ControlReg', 'uqw', 'MISCREG_CR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 101),
- 'DebugDest': ('ControlReg', 'uqw', 'MISCREG_DR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 102),
- 'DebugSrc1': ('ControlReg', 'uqw', 'MISCREG_DR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 103),
- 'SegBaseDest': ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 104),
- 'SegBaseSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 105),
- 'SegLimitDest': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 106),
- 'SegLimitSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 107),
- 'SegSelDest': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 108),
- 'SegSelSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 109),
- 'SegAttrDest': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 110),
- 'SegAttrSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 111),
+ 'ControlDest': controlReg('MISCREG_CR(dest)', 100),
+ 'ControlSrc1': controlReg('MISCREG_CR(src1)', 101),
+ 'DebugDest': controlReg('MISCREG_DR(dest)', 102),
+ 'DebugSrc1': controlReg('MISCREG_DR(src1)', 103),
+ 'SegBaseDest': controlReg('MISCREG_SEG_BASE(dest)', 104),
+ 'SegBaseSrc1': controlReg('MISCREG_SEG_BASE(src1)', 105),
+ 'SegLimitDest': controlReg('MISCREG_SEG_LIMIT(dest)', 106),
+ 'SegLimitSrc1': controlReg('MISCREG_SEG_LIMIT(src1)', 107),
+ 'SegSelDest': controlReg('MISCREG_SEG_SEL(dest)', 108),
+ 'SegSelSrc1': controlReg('MISCREG_SEG_SEL(src1)', 109),
+ 'SegAttrDest': controlReg('MISCREG_SEG_ATTR(dest)', 110),
+ 'SegAttrSrc1': controlReg('MISCREG_SEG_ATTR(src1)', 111),
# Operands to access specific control registers directly.
- 'EferOp': ('ControlReg', 'uqw', 'MISCREG_EFER', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 200),
- 'CR4Op': ('ControlReg', 'uqw', 'MISCREG_CR4', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 201),
- 'DR7Op': ('ControlReg', 'uqw', 'MISCREG_DR7', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 202),
- 'LDTRBase': ('ControlReg', 'uqw', 'MISCREG_TSL_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 203),
- 'LDTRLimit': ('ControlReg', 'uqw', 'MISCREG_TSL_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 204),
- 'LDTRSel': ('ControlReg', 'uqw', 'MISCREG_TSL', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 205),
- 'GDTRBase': ('ControlReg', 'uqw', 'MISCREG_TSG_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 206),
- 'GDTRLimit': ('ControlReg', 'uqw', 'MISCREG_TSG_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 207),
- 'CSBase': ('ControlReg', 'udw', 'MISCREG_CS_EFF_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 208),
- 'CSAttr': ('ControlReg', 'udw', 'MISCREG_CS_ATTR', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 209),
- 'MiscRegDest': ('ControlReg', 'uqw', 'dest', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 210),
- 'MiscRegSrc1': ('ControlReg', 'uqw', 'src1', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 211),
- 'TscOp': ('ControlReg', 'uqw', 'MISCREG_TSC', (None, None, ['IsSerializeAfter', 'IsSerializing', 'IsNonSpeculative']), 212),
- 'M5Reg': ('ControlReg', 'uqw', 'MISCREG_M5_REG', (None, None, None), 213),
- 'Mem': ('Mem', 'uqw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 300)
+ 'EferOp': controlReg('MISCREG_EFER', 200),
+ 'CR4Op': controlReg('MISCREG_CR4', 201),
+ 'DR7Op': controlReg('MISCREG_DR7', 202),
+ 'LDTRBase': controlReg('MISCREG_TSL_BASE', 203),
+ 'LDTRLimit': controlReg('MISCREG_TSL_LIMIT', 204),
+ 'LDTRSel': controlReg('MISCREG_TSL', 205),
+ 'GDTRBase': controlReg('MISCREG_TSG_BASE', 206),
+ 'GDTRLimit': controlReg('MISCREG_TSG_LIMIT', 207),
+ 'CSBase': controlReg('MISCREG_CS_EFF_BASE', 208),
+ 'CSAttr': controlReg('MISCREG_CS_ATTR', 209),
+ 'MiscRegDest': controlReg('dest', 210),
+ 'MiscRegSrc1': controlReg('src1', 211),
+ 'TscOp': controlReg('MISCREG_TSC', 212),
+ 'M5Reg': controlReg('MISCREG_M5_REG', 213),
+ 'Mem': ('Mem', 'uqw', None, \
+ ('IsMemRef', 'IsLoad', 'IsStore'), 300)
}};