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// -*- mode:c++ -*-
// Copyright (c) 2007 MIPS Technologies, Inc.
// 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: Korey Sewell
// Jaidev Patwardhan
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),
'sd' : ('signed int', 64),
'ud' : ('unsigned int', 64),
'sf' : ('float', 32),
'df' : ('float', 64),
}};
def operands {{
#General Purpose Integer Reg Operands
'Rd': ('IntReg', 'uw', 'RD', 'IsInteger', 1),
'Rs': ('IntReg', 'uw', 'RS', 'IsInteger', 2),
'Rt': ('IntReg', 'uw', 'RT', 'IsInteger', 3),
#Immediate Value operand
'IntImm': ('IntReg', 'uw', 'INTIMM', 'IsInteger', 3),
#Operands used for Link or Syscall Insts
'R31': ('IntReg', 'uw','31','IsInteger', 4),
'R2': ('IntReg', 'uw','2', 'IsInteger', 5),
#Special Integer Reg operands
'LO0': ('IntReg', 'uw','MipsISA::LO', 'IsInteger', 6),
'HI0': ('IntReg', 'uw','MipsISA::HI', 'IsInteger', 7),
#Bitfield-dependent HI/LO Register Access
'LO_RD_SEL': ('IntReg','uw','MipsISA::DSPLo0 + ACDST*3', None, 6),
'HI_RD_SEL': ('IntReg','uw','MipsISA::DSPHi0 + ACDST*3', None, 7),
'LO_RS_SEL': ('IntReg','uw','MipsISA::DSPLo0 + ACSRC*3', None, 6),
'HI_RS_SEL': ('IntReg','uw','MipsISA::DSPHi0 + ACSRC*3', None, 7),
#DSP Special Purpose Integer Operands
'DSPControl': ('IntReg', 'uw', 'MipsISA::DSPControl', None, 8),
'DSPLo0': ('IntReg', 'uw', 'MipsISA::LO', None, 1),
'DSPHi0': ('IntReg', 'uw', 'MipsISA::HI', None, 1),
'DSPACX0': ('IntReg', 'uw', 'MipsISA::DSPACX0', None, 1),
'DSPLo1': ('IntReg', 'uw', 'MipsISA::DSPLo1', None, 1),
'DSPHi1': ('IntReg', 'uw', 'MipsISA::DSPHi1', None, 1),
'DSPACX1': ('IntReg', 'uw', 'MipsISA::DSPACX1', None, 1),
'DSPLo2': ('IntReg', 'uw', 'MipsISA::DSPLo2', None, 1),
'DSPHi2': ('IntReg', 'uw', 'MipsISA::DSPHi2', None, 1),
'DSPACX2': ('IntReg', 'uw', 'MipsISA::DSPACX2', None, 1),
'DSPLo3': ('IntReg', 'uw', 'MipsISA::DSPLo3', None, 1),
'DSPHi3': ('IntReg', 'uw', 'MipsISA::DSPHi3', None, 1),
'DSPACX3': ('IntReg', 'uw', 'MipsISA::DSPACX3', None, 1),
#Floating Point Reg Operands
'Fd': ('FloatReg', 'sf', 'FD', 'IsFloating', 1),
'Fs': ('FloatReg', 'sf', 'FS', 'IsFloating', 2),
'Ft': ('FloatReg', 'sf', 'FT', 'IsFloating', 3),
'Fr': ('FloatReg', 'sf', 'FR', 'IsFloating', 3),
#Special Purpose Floating Point Control Reg Operands
'FIR': ('FloatReg', 'uw', 'MipsISA::FIR', 'IsFloating', 1),
'FCCR': ('FloatReg', 'uw', 'MipsISA::FCCR', 'IsFloating', 2),
'FEXR': ('FloatReg', 'uw', 'MipsISA::FEXR', 'IsFloating', 3),
'FENR': ('FloatReg', 'uw', 'MipsISA::FENR', 'IsFloating', 3),
'FCSR': ('FloatReg', 'uw', 'MipsISA::FCSR', 'IsFloating', 3),
#Operands For Paired Singles FP Operations
'Fd1': ('FloatReg', 'sf', 'FD', 'IsFloating', 4),
'Fd2': ('FloatReg', 'sf', 'FD+1', 'IsFloating', 4),
'Fs1': ('FloatReg', 'sf', 'FS', 'IsFloating', 5),
'Fs2': ('FloatReg', 'sf', 'FS+1', 'IsFloating', 5),
'Ft1': ('FloatReg', 'sf', 'FT', 'IsFloating', 6),
'Ft2': ('FloatReg', 'sf', 'FT+1', 'IsFloating', 6),
'Fr1': ('FloatReg', 'sf', 'FR', 'IsFloating', 7),
'Fr2': ('FloatReg', 'sf', 'FR+1', 'IsFloating', 7),
#Status Control Reg
'Status': ('ControlReg', 'uw', 'MipsISA::Status', None, 1),
#LL Flag
'LLFlag': ('ControlReg', 'uw', 'MipsISA::LLFlag', None, 1),
# Index Register
'Index':('ControlReg','uw','MipsISA::Index',None,1),
'CP0_RD_SEL': ('ControlReg', 'uw', '(RD << 3 | SEL)', None, 1),
#MT Control Regs
'MVPConf0': ('ControlReg', 'uw', 'MipsISA::MVPConf0', None, 1),
'MVPControl': ('ControlReg', 'uw', 'MipsISA::MVPControl', None, 1),
'TCBind': ('ControlReg', 'uw', 'MipsISA::TCBind', None, 1),
'TCStatus': ('ControlReg', 'uw', 'MipsISA::TCStatus', None, 1),
'TCRestart': ('ControlReg', 'uw', 'MipsISA::TCRestart', None, 1),
'VPEConf0': ('ControlReg', 'uw', 'MipsISA::VPEConf0', None, 1),
'VPEControl': ('ControlReg', 'uw', 'MipsISA::VPEControl', None, 1),
'YQMask': ('ControlReg', 'uw', 'MipsISA::YQMask', None, 1),
#CP0 Control Regs
'EntryHi': ('ControlReg','uw', 'MipsISA::EntryHi',None,1),
'EntryLo0': ('ControlReg','uw', 'MipsISA::EntryLo0',None,1),
'EntryLo1': ('ControlReg','uw', 'MipsISA::EntryLo1',None,1),
'PageMask': ('ControlReg','uw', 'MipsISA::PageMask',None,1),
'Random': ('ControlReg','uw', 'MipsISA::CP0_Random',None,1),
'ErrorEPC': ('ControlReg','uw', 'MipsISA::ErrorEPC',None,1),
'EPC': ('ControlReg','uw', 'MipsISA::EPC',None,1),
'DEPC': ('ControlReg','uw', 'MipsISA::DEPC',None,1),
'SRSCtl': ('ControlReg','uw', 'MipsISA::SRSCtl',None,1),
'Config': ('ControlReg','uw', 'MipsISA::Config',None,1),
'Config3': ('ControlReg','uw', 'MipsISA::Config3',None,1),
'Config1': ('ControlReg','uw', 'MipsISA::Config1',None,1),
'Config2': ('ControlReg','uw', 'MipsISA::Config2',None,1),
'PageGrain': ('ControlReg','uw', 'MipsISA::PageGrain',None,1),
'Debug': ('ControlReg','uw', 'MipsISA::Debug',None,1),
'Cause': ('ControlReg','uw', 'MipsISA::Cause',None,1),
#Memory Operand
'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),
#Program Counter Operands
'NPC': ('NPC', 'uw', None, 'IsControl', 4),
'NNPC':('NNPC', 'uw', None, 'IsControl', 4)
}};
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