operands.isa revision 7639
1// -*- mode:c++ -*- 2// Copyright (c) 2010 ARM Limited 3// All rights reserved 4// 5// The license below extends only to copyright in the software and shall 6// not be construed as granting a license to any other intellectual 7// property including but not limited to intellectual property relating 8// to a hardware implementation of the functionality of the software 9// licensed hereunder. You may use the software subject to the license 10// terms below provided that you ensure that this notice is replicated 11// unmodified and in its entirety in all distributions of the software, 12// modified or unmodified, in source code or in binary form. 13// 14// Copyright (c) 2007-2008 The Florida State University 15// All rights reserved. 16// 17// Redistribution and use in source and binary forms, with or without 18// modification, are permitted provided that the following conditions are 19// met: redistributions of source code must retain the above copyright 20// notice, this list of conditions and the following disclaimer; 21// redistributions in binary form must reproduce the above copyright 22// notice, this list of conditions and the following disclaimer in the 23// documentation and/or other materials provided with the distribution; 24// neither the name of the copyright holders nor the names of its 25// contributors may be used to endorse or promote products derived from 26// this software without specific prior written permission. 27// 28// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39// 40// Authors: Stephen Hines 41 42def operand_types {{ 43 'sb' : ('signed int', 8), 44 'ub' : ('unsigned int', 8), 45 'sh' : ('signed int', 16), 46 'uh' : ('unsigned int', 16), 47 'sw' : ('signed int', 32), 48 'uw' : ('unsigned int', 32), 49 'ud' : ('unsigned int', 64), 50 'tud' : ('twin64 int', 64), 51 'sf' : ('float', 32), 52 'df' : ('float', 64) 53}}; 54 55let {{ 56 maybePCRead = ''' 57 ((%(reg_idx)s == PCReg) ? (readPC(xc) & ~PcModeMask) : 58 xc->%(func)s(this, %(op_idx)s)) 59 ''' 60 maybeAlignedPCRead = ''' 61 ((%(reg_idx)s == PCReg) ? (roundDown(readPC(xc) & ~PcModeMask, 4)) : 62 xc->%(func)s(this, %(op_idx)s)) 63 ''' 64 maybePCWrite = ''' 65 ((%(reg_idx)s == PCReg) ? setNextPC(xc, %(final_val)s) : 66 xc->%(func)s(this, %(op_idx)s, %(final_val)s)) 67 ''' 68 maybeIWPCWrite = ''' 69 ((%(reg_idx)s == PCReg) ? setIWNextPC(xc, %(final_val)s) : 70 xc->%(func)s(this, %(op_idx)s, %(final_val)s)) 71 ''' 72 maybeAIWPCWrite = ''' 73 if (%(reg_idx)s == PCReg) { 74 bool thumb = THUMB; 75 if (thumb) { 76 setNextPC(xc, %(final_val)s); 77 } else { 78 setIWNextPC(xc, %(final_val)s); 79 } 80 } else { 81 xc->%(func)s(this, %(op_idx)s, %(final_val)s); 82 } 83 ''' 84 85 readNPC = 'xc->readNextPC() & ~PcModeMask' 86 writeNPC = 'setNextPC(xc, %(final_val)s)' 87 writeIWNPC = 'setIWNextPC(xc, %(final_val)s)' 88 forceNPC = 'xc->setNextPC(%(final_val)s)' 89}}; 90 91def operands {{ 92 #Abstracted integer reg operands 93 'Dest': ('IntReg', 'uw', 'dest', 'IsInteger', 2, 94 maybePCRead, maybePCWrite), 95 'FpDest': ('FloatReg', 'sf', '(dest + 0)', 'IsFloating', 2), 96 'FpDestP0': ('FloatReg', 'sf', '(dest + 0)', 'IsFloating', 2), 97 'FpDestP1': ('FloatReg', 'sf', '(dest + 1)', 'IsFloating', 2), 98 'FpDestP2': ('FloatReg', 'sf', '(dest + 2)', 'IsFloating', 2), 99 'FpDestP3': ('FloatReg', 'sf', '(dest + 3)', 'IsFloating', 2), 100 'FpDestP4': ('FloatReg', 'sf', '(dest + 4)', 'IsFloating', 2), 101 'FpDestP5': ('FloatReg', 'sf', '(dest + 5)', 'IsFloating', 2), 102 'FpDestP6': ('FloatReg', 'sf', '(dest + 6)', 'IsFloating', 2), 103 'FpDestP7': ('FloatReg', 'sf', '(dest + 7)', 'IsFloating', 2), 104 'FpDestS0P0': ('FloatReg', 'sf', '(dest + step * 0 + 0)', 'IsFloating', 2), 105 'FpDestS0P1': ('FloatReg', 'sf', '(dest + step * 0 + 1)', 'IsFloating', 2), 106 'FpDestS1P0': ('FloatReg', 'sf', '(dest + step * 1 + 0)', 'IsFloating', 2), 107 'FpDestS1P1': ('FloatReg', 'sf', '(dest + step * 1 + 1)', 'IsFloating', 2), 108 'FpDestS2P0': ('FloatReg', 'sf', '(dest + step * 2 + 0)', 'IsFloating', 2), 109 'FpDestS2P1': ('FloatReg', 'sf', '(dest + step * 2 + 1)', 'IsFloating', 2), 110 'FpDestS3P0': ('FloatReg', 'sf', '(dest + step * 3 + 0)', 'IsFloating', 2), 111 'FpDestS3P1': ('FloatReg', 'sf', '(dest + step * 3 + 1)', 'IsFloating', 2), 112 'Result': ('IntReg', 'uw', 'result', 'IsInteger', 2, 113 maybePCRead, maybePCWrite), 114 'Dest2': ('IntReg', 'uw', 'dest2', 'IsInteger', 2, 115 maybePCRead, maybePCWrite), 116 'FpDest2': ('FloatReg', 'sf', '(dest2 + 0)', 'IsFloating', 2), 117 'FpDest2P0': ('FloatReg', 'sf', '(dest2 + 0)', 'IsFloating', 2), 118 'FpDest2P1': ('FloatReg', 'sf', '(dest2 + 1)', 'IsFloating', 2), 119 'FpDest2P2': ('FloatReg', 'sf', '(dest2 + 2)', 'IsFloating', 2), 120 'FpDest2P3': ('FloatReg', 'sf', '(dest2 + 3)', 'IsFloating', 2), 121 'IWDest': ('IntReg', 'uw', 'dest', 'IsInteger', 2, 122 maybePCRead, maybeIWPCWrite), 123 'AIWDest': ('IntReg', 'uw', 'dest', 'IsInteger', 2, 124 maybePCRead, maybeAIWPCWrite), 125 'SpMode': ('IntReg', 'uw', 126 'intRegInMode((OperatingMode)regMode, INTREG_SP)', 127 'IsInteger', 2), 128 'MiscDest': ('ControlReg', 'uw', 'dest', (None, None, 'IsControl'), 2), 129 'Base': ('IntReg', 'uw', 'base', 'IsInteger', 0, 130 maybeAlignedPCRead, maybePCWrite), 131 'Index': ('IntReg', 'uw', 'index', 'IsInteger', 2, 132 maybePCRead, maybePCWrite), 133 'Op1': ('IntReg', 'uw', 'op1', 'IsInteger', 2, 134 maybePCRead, maybePCWrite), 135 'FpOp1': ('FloatReg', 'sf', '(op1 + 0)', 'IsFloating', 2), 136 'FpOp1P0': ('FloatReg', 'sf', '(op1 + 0)', 'IsFloating', 2), 137 'FpOp1P1': ('FloatReg', 'sf', '(op1 + 1)', 'IsFloating', 2), 138 'FpOp1P2': ('FloatReg', 'sf', '(op1 + 2)', 'IsFloating', 2), 139 'FpOp1P3': ('FloatReg', 'sf', '(op1 + 3)', 'IsFloating', 2), 140 'FpOp1P4': ('FloatReg', 'sf', '(op1 + 4)', 'IsFloating', 2), 141 'FpOp1P5': ('FloatReg', 'sf', '(op1 + 5)', 'IsFloating', 2), 142 'FpOp1P6': ('FloatReg', 'sf', '(op1 + 6)', 'IsFloating', 2), 143 'FpOp1P7': ('FloatReg', 'sf', '(op1 + 7)', 'IsFloating', 2), 144 'FpOp1S0P0': ('FloatReg', 'sf', '(op1 + step * 0 + 0)', 'IsFloating', 2), 145 'FpOp1S0P1': ('FloatReg', 'sf', '(op1 + step * 0 + 1)', 'IsFloating', 2), 146 'FpOp1S1P0': ('FloatReg', 'sf', '(op1 + step * 1 + 0)', 'IsFloating', 2), 147 'FpOp1S1P1': ('FloatReg', 'sf', '(op1 + step * 1 + 1)', 'IsFloating', 2), 148 'FpOp1S2P0': ('FloatReg', 'sf', '(op1 + step * 2 + 0)', 'IsFloating', 2), 149 'FpOp1S2P1': ('FloatReg', 'sf', '(op1 + step * 2 + 1)', 'IsFloating', 2), 150 'FpOp1S3P0': ('FloatReg', 'sf', '(op1 + step * 3 + 0)', 'IsFloating', 2), 151 'FpOp1S3P1': ('FloatReg', 'sf', '(op1 + step * 3 + 1)', 'IsFloating', 2), 152 'MiscOp1': ('ControlReg', 'uw', 'op1', (None, None, 'IsControl'), 2), 153 'Op2': ('IntReg', 'uw', 'op2', 'IsInteger', 2, 154 maybePCRead, maybePCWrite), 155 'FpOp2': ('FloatReg', 'sf', '(op2 + 0)', 'IsFloating', 2), 156 'FpOp2P0': ('FloatReg', 'sf', '(op2 + 0)', 'IsFloating', 2), 157 'FpOp2P1': ('FloatReg', 'sf', '(op2 + 1)', 'IsFloating', 2), 158 'FpOp2P2': ('FloatReg', 'sf', '(op2 + 2)', 'IsFloating', 2), 159 'FpOp2P3': ('FloatReg', 'sf', '(op2 + 3)', 'IsFloating', 2), 160 'Op3': ('IntReg', 'uw', 'op3', 'IsInteger', 2, 161 maybePCRead, maybePCWrite), 162 'Shift': ('IntReg', 'uw', 'shift', 'IsInteger', 2, 163 maybePCRead, maybePCWrite), 164 'Reg0': ('IntReg', 'uw', 'reg0', 'IsInteger', 2, 165 maybePCRead, maybePCWrite), 166 'Reg1': ('IntReg', 'uw', 'reg1', 'IsInteger', 2, 167 maybePCRead, maybePCWrite), 168 'Reg2': ('IntReg', 'uw', 'reg2', 'IsInteger', 2, 169 maybePCRead, maybePCWrite), 170 'Reg3': ('IntReg', 'uw', 'reg3', 'IsInteger', 2, 171 maybePCRead, maybePCWrite), 172 #General Purpose Integer Reg Operands 173 'Rd': ('IntReg', 'uw', 'RD', 'IsInteger', 2, maybePCRead, maybePCWrite), 174 'Rm': ('IntReg', 'uw', 'RM', 'IsInteger', 2, maybePCRead, maybePCWrite), 175 'Rs': ('IntReg', 'uw', 'RS', 'IsInteger', 2, maybePCRead, maybePCWrite), 176 'Rn': ('IntReg', 'uw', 'RN', 'IsInteger', 2, maybePCRead, maybePCWrite), 177 'R7': ('IntReg', 'uw', '7', 'IsInteger', 2), 178 'R0': ('IntReg', 'uw', '0', 'IsInteger', 2), 179 180 'LR': ('IntReg', 'uw', 'INTREG_LR', 'IsInteger', 2), 181 'CondCodes': ('IntReg', 'uw', 'INTREG_CONDCODES', None, 2), 182 'OptCondCodes': ('IntReg', 'uw', 183 '''(condCode == COND_AL || condCode == COND_UC) ? 184 INTREG_ZERO : INTREG_CONDCODES''', None, 2), 185 186 #Register fields for microops 187 'Ra' : ('IntReg', 'uw', 'ura', 'IsInteger', 2, maybePCRead, maybePCWrite), 188 'IWRa' : ('IntReg', 'uw', 'ura', 'IsInteger', 2, 189 maybePCRead, maybeIWPCWrite), 190 'Fa' : ('FloatReg', 'sf', 'ura', 'IsFloating', 2), 191 'Rb' : ('IntReg', 'uw', 'urb', 'IsInteger', 2, maybePCRead, maybePCWrite), 192 'Rc' : ('IntReg', 'uw', 'urc', 'IsInteger', 2, maybePCRead, maybePCWrite), 193 194 #General Purpose Floating Point Reg Operands 195 'Fd': ('FloatReg', 'df', 'FD', 'IsFloating', 2), 196 'Fn': ('FloatReg', 'df', 'FN', 'IsFloating', 2), 197 'Fm': ('FloatReg', 'df', 'FM', 'IsFloating', 2), 198 199 #Memory Operand 200 'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 2), 201 202 'Cpsr': ('ControlReg', 'uw', 'MISCREG_CPSR', (None, None, 'IsControl'), 1), 203 'Itstate': ('ControlReg', 'ub', 'MISCREG_ITSTATE', None, 2), 204 'Spsr': ('ControlReg', 'uw', 'MISCREG_SPSR', None, 2), 205 'Fpsr': ('ControlReg', 'uw', 'MISCREG_FPSR', None, 2), 206 'Fpsid': ('ControlReg', 'uw', 'MISCREG_FPSID', None, 2), 207 'Fpscr': ('ControlReg', 'uw', 'MISCREG_FPSCR', None, 2), 208 'Fpexc': ('ControlReg', 'uw', 'MISCREG_FPEXC', None, 2), 209 'Sctlr': ('ControlReg', 'uw', 'MISCREG_SCTLR', None, 2), 210 'SevMailbox': ('ControlReg', 'uw', 'MISCREG_SEV_MAILBOX', None, 2), 211 'PC': ('PC', 'ud', None, None, 2), 212 'NPC': ('NPC', 'ud', None, (None, None, 'IsControl'), 2, 213 readNPC, writeNPC), 214 'FNPC': ('NPC', 'ud', None, (None, None, 'IsControl'), 2, 215 readNPC, forceNPC), 216 'IWNPC': ('NPC', 'ud', None, (None, None, 'IsControl'), 2, 217 readNPC, writeIWNPC), 218}}; 219