xref: /gem5/src/arch/x86/isa/operands.isa

// Copyright (c) 2007 The Regents of The University of Michigan
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met: redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer;
// redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution;
// neither the name of the copyright holders nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Authors: Gabe Black

// Copyright (c) 2007-2008 The Hewlett-Packard Development Company
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms,
// with or without modification, are permitted provided that the
// following conditions are met:
//
// The software must be used only for Non-Commercial Use which means any
// use which is NOT directed to receiving any direct monetary
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// Illustrative examples of commercial use are distributing products for
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// If you wish to use this software or functionality therein that may be
// covered by patents for commercial use, please contact:
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//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.  Redistributions
// in binary form must reproduce the above copyright notice, this list of
// conditions and the following disclaimer in the documentation and/or
// other materials provided with the distribution.  Neither the name of
// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.  No right of
// sublicense is granted herewith.  Derivatives of the software and
// output created using the software may be prepared, but only for
// Non-Commercial Uses.  Derivatives of the software may be shared with
// others provided: (i) the others agree to abide by the list of
// conditions herein which includes the Non-Commercial Use restrictions;
// and (ii) such Derivatives of the software include the above copyright
// notice to acknowledge the contribution from this software where
// applicable, this list of conditions and the disclaimer below.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Authors: Gabe Black

def operand_types {{
    'sb' : ('signed int', 8),
    'ub' : ('unsigned int', 8),
    'sw' : ('signed int', 16),
    'uw' : ('unsigned int', 16),
    'sdw' : ('signed int', 32),
    'udw' : ('unsigned int', 32),
    'sqw' : ('signed int', 64),
    'uqw' : ('unsigned int', 64),
    'sf' : ('float', 32),
    'df' : ('float', 64),
}};

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),
        'FpSrcReg1':     ('FloatReg', 'df', 'src1', 'IsFloating', 20),
        'FpSrcReg2':     ('FloatReg', 'df', 'src2', 'IsFloating', 21),
        'FpDestReg':     ('FloatReg', 'df', 'dest', 'IsFloating', 22),
        'FpData':        ('FloatReg', 'df', 'data', 'IsFloating', 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),
        # 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),
        # The segment base as used by memory instructions.
        'SegBase':       ('ControlReg', 'uqw', 'MISCREG_SEG_EFF_BASE(segment)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 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),
        'SegBaseDest':  ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 102),
        'SegBaseSrc1':  ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 103),
        'SegLimitDest': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 104),
        'SegLimitSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 105),
        'SegSelDest': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 106),
        'SegSelSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 107),
        'SegAttrDest': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 108),
        'SegAttrSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 109),

        # 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),
        'LDTRBase':      ('ControlReg', 'uqw', 'MISCREG_TSL_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 202),
        'LDTRLimit':     ('ControlReg', 'uqw', 'MISCREG_TSL_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 203),
        'LDTRSel':       ('ControlReg', 'uqw', 'MISCREG_TSL', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 204),
        'GDTRBase':      ('ControlReg', 'uqw', 'MISCREG_TSG_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 205),
        'GDTRLimit':     ('ControlReg', 'uqw', 'MISCREG_TSG_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 206),
        'CSBase':        ('ControlReg', 'udw', 'MISCREG_CS_EFF_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 207),
        'TscOp':         ('ControlReg', 'udw', 'MISCREG_TSC', (None, None, ['IsSerializeAfter', 'IsSerializing', 'IsNonSpeculative']), 208),
        'Mem':           ('Mem', 'uqw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 300)
}};