From: Gabe Black Date: Fri, 17 Jul 2009 07:29:56 +0000 (-0700) Subject: X86: Tame the wilds of def operands. X-Git-Tag: Calvin_Submission~209^2~5 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7b6587fc9cbd5e7e7930abbc5c6e2683e527f629;p=gem5.git X86: Tame the wilds of def operands. --- 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) }};