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

// -*- mode:c++ -*-

// Copyright (c) 2015 RISC-V Foundation
// Copyright (c) 2016 The University of Virginia
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are
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// notice, this list of conditions and the following disclaimer;
// redistributions in binary form must reproduce the above copyright
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// documentation and/or other materials provided with the distribution;
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// 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
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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//
// Authors: Maxwell Walter
//          Alec Roelke

def operand_types {{
    'sb' : 'int8_t',
    'ub' : 'uint8_t',
    'sh' : 'int16_t',
    'uh' : 'uint16_t',
    'sw' : 'int32_t',
    'uw' : 'uint32_t',
    'sd' : 'int64_t',
    'ud' : 'uint64_t',
    'sf' : 'float',
    'df' : 'double'
}};

def operands {{
#General Purpose Integer Reg Operands
    'Rd': ('IntReg', 'ud', 'RD', 'IsInteger', 1),
    'Rs1': ('IntReg', 'ud', 'RS1', 'IsInteger', 2),
    'Rs2': ('IntReg', 'ud', 'RS2', 'IsInteger', 3),

    'Fd': ('FloatReg', 'df', 'FD', 'IsFloating', 1),
    'Fd_bits': ('FloatReg', 'ud', 'FD', 'IsFloating', 1),
    'Fs1': ('FloatReg', 'df', 'FS1', 'IsFloating', 2),
    'Fs1_bits': ('FloatReg', 'ud', 'FS1', 'IsFloating', 2),
    'Fs2': ('FloatReg', 'df', 'FS2', 'IsFloating', 3),
    'Fs2_bits': ('FloatReg', 'ud', 'FS2', 'IsFloating', 3),
    'Fs3': ('FloatReg', 'df', 'FS3', 'IsFloating', 4),
    'Fs3_bits': ('FloatReg', 'ud', 'FS3', 'IsFloating', 4),

#Memory Operand
    'Mem': ('Mem', 'ud', None, ('IsMemRef', 'IsLoad', 'IsStore'), 5),

#Program Counter Operands
    'PC': ('PCState', 'ud', 'pc', (None, None, 'IsControl'), 7),
    'NPC': ('PCState', 'ud', 'npc', (None, None, 'IsControl'), 8),
}};