move.py revision 5413:809f33a926c4
1# Copyright (c) 2007-2008 The Hewlett-Packard Development Company 2# All rights reserved. 3# 4# Redistribution and use of this software in source and binary forms, 5# with or without modification, are permitted provided that the 6# following conditions are met: 7# 8# The software must be used only for Non-Commercial Use which means any 9# use which is NOT directed to receiving any direct monetary 10# compensation for, or commercial advantage from such use. Illustrative 11# examples of non-commercial use are academic research, personal study, 12# teaching, education and corporate research & development. 13# Illustrative examples of commercial use are distributing products for 14# commercial advantage and providing services using the software for 15# commercial advantage. 16# 17# If you wish to use this software or functionality therein that may be 18# covered by patents for commercial use, please contact: 19# Director of Intellectual Property Licensing 20# Office of Strategy and Technology 21# Hewlett-Packard Company 22# 1501 Page Mill Road 23# Palo Alto, California 94304 24# 25# Redistributions of source code must retain the above copyright notice, 26# this list of conditions and the following disclaimer. Redistributions 27# in binary form must reproduce the above copyright notice, this list of 28# conditions and the following disclaimer in the documentation and/or 29# other materials provided with the distribution. Neither the name of 30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 31# contributors may be used to endorse or promote products derived from 32# this software without specific prior written permission. No right of 33# sublicense is granted herewith. Derivatives of the software and 34# output created using the software may be prepared, but only for 35# Non-Commercial Uses. Derivatives of the software may be shared with 36# others provided: (i) the others agree to abide by the list of 37# conditions herein which includes the Non-Commercial Use restrictions; 38# and (ii) such Derivatives of the software include the above copyright 39# notice to acknowledge the contribution from this software where 40# applicable, this list of conditions and the disclaimer below. 41# 42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53# 54# Authors: Gabe Black 55 56microcode = ''' 57 58# 59# Regular moves 60# 61 62def macroop MOV_R_MI { 63 limm t1, imm, dataSize=asz 64 ld reg, seg, [1, t0, t1] 65}; 66 67def macroop MOV_MI_R { 68 limm t1, imm, dataSize=asz 69 st reg, seg, [1, t0, t1] 70}; 71 72def macroop MOV_R_R { 73 mov reg, reg, regm 74}; 75 76def macroop MOV_M_R { 77 st reg, seg, sib, disp 78}; 79 80def macroop MOV_P_R { 81 rdip t7 82 st reg, seg, riprel, disp 83}; 84 85def macroop MOV_R_M { 86 ld reg, seg, sib, disp 87}; 88 89def macroop MOV_R_P { 90 rdip t7 91 ld reg, seg, riprel, disp 92}; 93 94def macroop MOV_R_I { 95 limm reg, imm 96}; 97 98def macroop MOV_M_I { 99 limm t1, imm 100 st t1, seg, sib, disp 101}; 102 103def macroop MOV_P_I { 104 rdip t7 105 limm t1, imm 106 st t1, seg, riprel, disp 107}; 108 109# 110# Sign extending moves 111# 112 113def macroop MOVSXD_R_R { 114 sexti reg, regm, 31 115}; 116 117def macroop MOVSXD_R_M { 118 ld t1, seg, sib, disp, dataSize=4 119 sexti reg, t1, 31 120}; 121 122def macroop MOVSXD_R_P { 123 rdip t7 124 ld t1, seg, riprel, disp, dataSize=4 125 sexti reg, t1, 31 126}; 127 128def macroop MOVSX_B_R_R { 129 sexti reg, regm, 7 130}; 131 132def macroop MOVSX_B_R_M { 133 ld t1, seg, sib, disp, dataSize=1 134 sexti reg, t1, 7 135}; 136 137def macroop MOVSX_B_R_P { 138 rdip t7 139 ld t1, seg, riprel, disp, dataSize=1 140 sexti reg, t1, 7 141}; 142 143def macroop MOVSX_W_R_R { 144 sexti reg, regm, 15 145}; 146 147def macroop MOVSX_W_R_M { 148 ld reg, seg, sib, disp, dataSize=2 149 sexti reg, reg, 15 150}; 151 152def macroop MOVSX_W_R_P { 153 rdip t7 154 ld reg, seg, riprel, disp, dataSize=2 155 sexti reg, reg, 15 156}; 157 158# 159# Zero extending moves 160# 161 162def macroop MOVZX_B_R_R { 163 zexti reg, regm, 7 164}; 165 166def macroop MOVZX_B_R_M { 167 ld t1, seg, sib, disp, dataSize=1 168 zexti reg, t1, 7 169}; 170 171def macroop MOVZX_B_R_P { 172 rdip t7 173 ld t1, seg, riprel, disp, dataSize=1 174 zexti reg, t1, 7 175}; 176 177def macroop MOVZX_W_R_R { 178 zexti reg, regm, 15 179}; 180 181def macroop MOVZX_W_R_M { 182 ld t1, seg, sib, disp, dataSize=2 183 zexti reg, t1, 15 184}; 185 186def macroop MOVZX_W_R_P { 187 rdip t7 188 ld t1, seg, riprel, disp, dataSize=2 189 zexti reg, t1, 15 190}; 191 192def macroop MOV_C_R { 193 wrcr reg, regm 194}; 195 196def macroop MOV_R_C { 197 rdcr reg, regm 198}; 199 200def macroop MOV_R_S { 201 rdsel reg, regm 202}; 203 204def macroop MOV_M_S { 205 rdsel t1, reg 206 st t1, seg, sib, disp, dataSize=2 207}; 208 209def macroop MOV_P_S { 210 rdip t7 211 rdsel t1, reg 212 st t1, seg, riprel, disp, dataSize=2 213}; 214 215def macroop MOV_REAL_S_R { 216 zext t2, regm, 15 217 slli t3, t2, 2, dataSize=8 218 wrsel reg, regm 219 wrbase reg, t3 220}; 221 222def macroop MOV_REAL_S_M { 223 ld t1, seg, sib, disp, dataSize=2 224 zext t2, t1, 15 225 slli t3, t2, 2, dataSize=8 226 wrsel reg, t1 227 wrbase reg, t3 228}; 229 230def macroop MOV_REAL_S_P { 231 rdip t7 232 ld t1, seg, riprel, disp, dataSize=2 233 zext t2, t1, 15 234 slli t3, t2, 2, dataSize=8 235 wrsel reg, t1 236 wrbase reg, t3 237}; 238 239def macroop MOV_S_R { 240 chks t1, regm, flags=(EZF,), dataSize=8 241 bri t0, label("end"), flags=(CEZF,) 242 ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8 243 wrdl reg, t2, regm 244end: 245 wrsel reg, regm 246}; 247 248def macroop MOV_S_M { 249 ld t1, seg, sib, disp, dataSize=2 250 chks t2, t1, flags=(EZF,), dataSize=8 251 bri t0, label("end"), flags=(CEZF,) 252 ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8 253 wrdl reg, t2, t1 254end: 255 wrsel reg, t1 256}; 257 258def macroop MOV_S_P { 259 rdip t7 260 ld t1, seg, riprel, disp, dataSize=2 261 chks t2, t1, flags=(EZF,), dataSize=8 262 bri t0, label("end"), flags=(CEZF,) 263 ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8 264 wrdl reg, t2, t1 265end: 266 wrsel reg, t1 267}; 268 269def macroop MOVSS_S_R { 270 chks t1, regm, flags=(EZF,), dataSize=8 271 # This actually needs to use the selector as the error code, but it would 272 # be hard to get that information into the instruction at the moment. 273 fault "new GeneralProtection(0)", flags=(CEZF,) 274 ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8 275 wrdl reg, t2, regm 276 wrsel reg, regm 277}; 278 279def macroop MOVSS_S_M { 280 ld t1, seg, sib, disp, dataSize=2 281 chks t2, t1, flags=(EZF,), dataSize=8 282 # This actually needs to use the selector as the error code, but it would 283 # be hard to get that information into the instruction at the moment. 284 fault "new GeneralProtection(0)", flags=(CEZF,) 285 ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8 286 wrdl reg, t2, t1 287 wrsel reg, t1 288}; 289 290def macroop MOVSS_S_P { 291 rdip t7 292 ld t1, seg, riprel, disp, dataSize=2 293 chks t2, t1, flags=(EZF,), dataSize=8 294 # This actually needs to use the selector as the error code, but it would 295 # be hard to get that information into the instruction at the moment. 296 fault "new GeneralProtection(0)", flags=(CEZF,) 297 ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8 298 wrdl reg, t2, t1 299 wrsel reg, t1 300}; 301''' 302#let {{ 303# class MOVD(Inst): 304# "GenFault ${new UnimpInstFault}" 305# class MOVNTI(Inst): 306# "GenFault ${new UnimpInstFault}" 307#}}; 308