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// -*- mode:c++ -*-
// Copyright (c) 2009 The University of Edinburgh
// 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: Timothy M. Jones
def operand_types {{
'sb' : ('signed int', 8),
'ub' : ('unsigned int', 8),
'sh' : ('signed int', 16),
'uh' : ('unsigned int', 16),
'sw' : ('signed int', 32),
'uw' : ('unsigned int', 32),
'sq' : ('signed int', 64),
'uq' : ('unsigned int', 64),
'sf' : ('float', 32),
'df' : ('float', 64)
}};
def operands {{
# General Purpose Integer Reg Operands
'Ra': ('IntReg', 'uw', 'RA', 'IsInteger', 1),
'Rb': ('IntReg', 'uw', 'RB', 'IsInteger', 2),
'Rs': ('IntReg', 'uw', 'RS', 'IsInteger', 3),
'Rt': ('IntReg', 'uw', 'RT', 'IsInteger', 4),
# General Purpose Floating Point Reg Operands
'Fa': ('FloatReg', 'df', 'FRA', 'IsFloating', 1),
'Fb': ('FloatReg', 'df', 'FRB', 'IsFloating', 2),
'Fc': ('FloatReg', 'df', 'FRC', 'IsFloating', 3),
'Fs': ('FloatReg', 'df', 'FRS', 'IsFloating', 4),
'Ft': ('FloatReg', 'df', 'FRT', 'IsFloating', 5),
# Memory Operand
'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 8),
# Program counter and next
'PC': ('PC', 'uw', None, (None, None, 'IsControl'), 9),
'NPC': ('NPC', 'uw', None, (None, None, 'IsControl'), 9),
# Control registers
'CR': ('IntReg', 'uw', 'INTREG_CR', 'IsInteger', 9),
'LR': ('IntReg', 'uw', 'INTREG_LR', 'IsInteger', 9),
'CTR': ('IntReg', 'uw', 'INTREG_CTR', 'IsInteger', 9),
'XER': ('IntReg', 'uw', 'INTREG_XER', 'IsInteger', 9),
# Setting as IntReg so things are stored as an integer, not double
'FPSCR': ('IntReg', 'uw', 'INTREG_FPSCR', 'IsFloating', 9),
# Registers for linked loads and stores
'Rsv': ('IntReg', 'uw', 'INTREG_RSV', 'IsInteger', 9),
'RsvLen': ('IntReg', 'uw', 'INTREG_RSV_LEN', 'IsInteger', 9),
'RsvAddr': ('IntReg', 'uw', 'INTREG_RSV_ADDR', 'IsInteger', 9),
# Hack for non-full-system syscall emulation
'R0': ('IntReg', 'uw', '0', None, 1),
}};
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