1dnl Process this file with autoconf to produce a configure script. 2AC_INIT(Makefile.in) 3AC_CONFIG_MACRO_DIRS([../m4 ../.. ../../config]) 4 5dnl The sim shouldn't be checking $target and changing behavior. But it is, 6dnl and until we clean that up, we need to expand --target for use below. 7AC_CANONICAL_SYSTEM 8 9# DEPRECATED 10# 11# Instead of defining a `subtarget' macro, code should be checking 12# the value of {STATE,CPU}_ARCHITECTURE to identify the architecture 13# in question. 14# 15case "${target}" in 16 mips64vr*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1" ;; 17 mips*tx39*) SIM_SUBTARGET="-DSUBTARGET_R3900=1";; 18 mips*-sde-elf*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; 19 mips*-mti-elf*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; 20 mipsisa32*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; 21 mipsisa64*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; 22 *) SIM_SUBTARGET="";; 23esac 24AC_SUBST(SIM_SUBTARGET) 25 26 27 28# 29# Select the bitsize of the target 30# 31case "${target}" in 32 mips*-sde-elf*) mips_bitsize=64 ; mips_msb=63 ;; 33 mips*-mti-elf*) mips_bitsize=64 ; mips_msb=63 ;; 34 mips64*-*-*) mips_bitsize=64 ; mips_msb=63 ;; 35 mips16*-*-*) mips_bitsize=64 ; mips_msb=63 ;; 36 mipsisa32*-*-*) mips_bitsize=32 ; mips_msb=31 ;; 37 mipsisa64*-*-*) mips_bitsize=64 ; mips_msb=63 ;; 38 mips*-*-*) mips_bitsize=32 ; mips_msb=31 ;; 39 *) mips_bitsize=64 ; mips_msb=63 ;; 40esac 41SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb) 42 43 44 45# 46# Select the floating hardware support of the target 47# 48mips_fpu_bitsize= 49case "${target}" in 50 mips*tx39*) mips_fpu_bitsize=32 ;; 51 mips*-sde-elf*) mips_fpu_bitsize=64 ;; 52 mips*-mti-elf*) mips_fpu_bitsize=64 ;; 53 mipsisa32*-*-*) mips_fpu_bitsize=64 ;; 54 mipsisa64*-*-*) mips_fpu_bitsize=64 ;; 55 mips*-*-*) mips_fpu_bitsize=32 ;; 56esac 57SIM_AC_OPTION_FLOAT(HARD_FLOATING_POINT,$mips_fpu_bitsize) 58 59 60 61# 62# Select the IGEN architecture 63# 64sim_gen=IGEN 65sim_igen_machine="-M mipsIV" 66sim_m16_machine="-M mips16,mipsIII" 67sim_igen_filter="32,64,f" 68sim_m16_filter="16" 69sim_mach_default="mips8000" 70 71case "${target}" in 72 mips*tx39*) sim_gen=IGEN 73 sim_igen_filter="32,f" 74 sim_igen_machine="-M r3900" 75 ;; 76 mips64vr43*-*-*) sim_gen=IGEN 77 sim_igen_machine="-M mipsIV" 78 sim_mach_default="mips8000" 79 ;; 80 mips64vr5*-*-*) sim_gen=IGEN 81 sim_igen_machine="-M vr5000" 82 sim_mach_default="mips5000" 83 ;; 84 mips64vr41*) sim_gen=M16 85 sim_igen_machine="-M vr4100" 86 sim_m16_machine="-M vr4100" 87 sim_igen_filter="32,64,f" 88 sim_m16_filter="16" 89 sim_mach_default="mips4100" 90 ;; 91 mips64vr-*-* | mips64vrel-*-*) 92 sim_gen=MULTI 93 sim_multi_configs="\ 94 vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\ 95 vr4120:mipsIII,mips16,vr4120:32,64:mips4120\ 96 vr5000:mipsIV:32,64,f:mips4300,mips5000\ 97 vr5400:mipsIV,vr5400:32,64,f:mips5400\ 98 vr5500:mipsIV,vr5500:32,64,f:mips5500" 99 sim_multi_default=mips5000 100 ;; 101 mips*-sde-elf* | mips*-mti-elf*) 102 sim_gen=MULTI 103 sim_multi_configs="\ 104 micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\ 105 mipsisa64r2:mips64r2,mips16,mips16e,mdmx,dsp,dsp2,mips3d,smartmips:32,64,f:mipsisa32r2,mipsisa64r2,mipsisa32r5,mipsisa64r5\ 106 mipsisa64r6:mips64r6:32,64,f:mipsisa32r6,mipsisa64r6" 107 sim_multi_default=mipsisa64r2 108 ;; 109 mips64*-*-*) sim_igen_filter="32,64,f" 110 sim_gen=IGEN 111 ;; 112 mips16*-*-*) sim_gen=M16 113 sim_igen_filter="32,64,f" 114 sim_m16_filter="16" 115 ;; 116 mipsisa32r2*-*-*) sim_gen=MULTI 117 sim_multi_configs="\ 118 micromips:micromips32,micromipsdsp:32,f:mips_micromips\ 119 mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2" 120 sim_multi_default=mipsisa32r2 121 ;; 122 mipsisa32r6*-*-*) sim_gen=IGEN 123 sim_igen_machine="-M mips32r6" 124 sim_igen_filter="32,f" 125 sim_mach_default="mipsisa32r6" 126 ;; 127 mipsisa32*-*-*) sim_gen=M16 128 sim_igen_machine="-M mips32,mips16,mips16e,smartmips" 129 sim_m16_machine="-M mips16,mips16e,mips32" 130 sim_igen_filter="32,f" 131 sim_mach_default="mipsisa32" 132 ;; 133 mipsisa64r2*-*-*) sim_gen=M16 134 sim_igen_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2" 135 sim_m16_machine="-M mips16,mips16e,mips64r2" 136 sim_igen_filter="32,64,f" 137 sim_mach_default="mipsisa64r2" 138 ;; 139 mipsisa64r6*-*-*) sim_gen=IGEN 140 sim_igen_machine="-M mips64r6" 141 sim_igen_filter="32,64,f" 142 sim_mach_default="mipsisa64r6" 143 ;; 144 mipsisa64sb1*-*-*) sim_gen=IGEN 145 sim_igen_machine="-M mips64,mips3d,sb1" 146 sim_igen_filter="32,64,f" 147 sim_mach_default="mips_sb1" 148 ;; 149 mipsisa64*-*-*) sim_gen=M16 150 sim_igen_machine="-M mips64,mips3d,mips16,mips16e,mdmx" 151 sim_m16_machine="-M mips16,mips16e,mips64" 152 sim_igen_filter="32,64,f" 153 sim_mach_default="mipsisa64" 154 ;; 155 mips*lsi*) sim_gen=M16 156 sim_igen_machine="-M mipsIII,mips16" 157 sim_m16_machine="-M mips16,mipsIII" 158 sim_igen_filter="32,f" 159 sim_m16_filter="16" 160 sim_mach_default="mips4000" 161 ;; 162 mips*-*-*) sim_gen=IGEN 163 sim_igen_filter="32,f" 164 ;; 165esac 166 167# The MULTI generator can combine several simulation engines into one. 168# executable. A configuration which uses the MULTI should set two 169# variables: ${sim_multi_configs} and ${sim_multi_default}. 170# 171# ${sim_multi_configs} is the list of engines to build. Each 172# space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS, 173# where: 174# 175# - NAME is a C-compatible prefix for the engine, 176# - MACHINE is a -M argument, 177# - FILTER is a -F argument, and 178# - BFDMACHS is a comma-separated list of bfd machines that the 179# simulator can run. 180# 181# Each entry will have a separate simulation engine whose prefix is 182# m32<NAME>. If the machine list includes "mips16", there will also 183# be a mips16 engine, prefix m16<NAME>. The mips16 engine will be 184# generated using the same machine list as the 32-bit version, 185# but the filter will be "16" instead of FILTER. 186# 187# The simulator compares the bfd mach against BFDMACHS to decide 188# which engine to use. Entries in BFDMACHS should be bfd_mach 189# values with "bfd_mach_" removed. ${sim_multi_default} says 190# which entry should be the default. 191if test ${sim_gen} = MULTI; then 192 193 # Simple sanity check. 194 if test -z "${sim_multi_configs}" || test -z "${sim_multi_default}"; then 195 AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly) 196 fi 197 198 # Start in a known state. 199 rm -f multi-include.h multi-run.c 200 sim_multi_flags= 201 sim_multi_src= 202 sim_multi_obj= 203 sim_multi_igen_configs= 204 sim_seen_default=no 205 206 cat << __EOF__ > multi-run.c 207/* Main entry point for MULTI simulators. 208 Copyright (C) 2003-2023 Free Software Foundation, Inc. 209 210 This program is free software; you can redistribute it and/or modify 211 it under the terms of the GNU General Public License as published by 212 the Free Software Foundation; either version 3 of the License, or 213 (at your option) any later version. 214 215 This program is distributed in the hope that it will be useful, 216 but WITHOUT ANY WARRANTY; without even the implied warranty of 217 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 218 GNU General Public License for more details. 219 220 You should have received a copy of the GNU General Public License 221 along with this program. If not, see <http://www.gnu.org/licenses/>. 222 223 -- 224 225 This file was generated by sim/mips/configure. */ 226 227#include "sim-main.h" 228#include "multi-include.h" 229#include "elf-bfd.h" 230#include "elfxx-mips.h" 231#include "elf/mips.h" 232 233#define SD sd 234#define CPU cpu 235 236void 237sim_engine_run (SIM_DESC sd, 238 int next_cpu_nr, 239 int nr_cpus, 240 int signal) /* ignore */ 241{ 242 int mach; 243 244 if (STATE_ARCHITECTURE (sd) == NULL) 245 mach = bfd_mach_${sim_multi_default}; 246 else if (elf_elfheader (STATE_PROG_BFD (sd))->e_flags 247 & EF_MIPS_ARCH_ASE_MICROMIPS) 248 mach = bfd_mach_mips_micromips; 249 else 250 { 251 mach = _bfd_elf_mips_mach (elf_elfheader (STATE_PROG_BFD (sd))->e_flags); 252 if (!mach) 253 mach = STATE_ARCHITECTURE (SD)->mach; 254 } 255 256 switch (mach) 257 { 258__EOF__ 259 260 for fc in ${sim_multi_configs}; do 261 262 # Split up the entry. ${c} contains the first three elements. 263 # Note: outer sqaure brackets are m4 quotes. 264 c=`echo ${fc} | sed ['s/:[^:]*$//']` 265 bfdmachs=`echo ${fc} | sed 's/.*://'` 266 name=`echo ${c} | sed 's/:.*//'` 267 machine=`echo ${c} | sed 's/.*:\(.*\):.*/\1/'` 268 filter=`echo ${c} | sed 's/.*://'` 269 270 # Build the following lists: 271 # 272 # sim_multi_flags: all -M and -F flags used by the simulator 273 # sim_multi_src: all makefile-generated source files 274 # sim_multi_obj: the objects for ${sim_multi_src} 275 # sim_multi_igen_configs: igen configuration strings. 276 # 277 # Each entry in ${sim_multi_igen_configs} is a prefix (m32 278 # or m16) followed by the NAME, MACHINE and FILTER part of 279 # the ${sim_multi_configs} entry. 280 sim_multi_flags="${sim_multi_flags} -F ${filter} -M ${machine}" 281 282 # Check whether special handling is needed. 283 case ${c} in 284 *:*mips16*:*) 285 # Run igen twice, once for normal mode and once for mips16. 286 ws="m32 m16" 287 288 # The top-level function for the mips16 simulator is 289 # in a file m16${name}_run.c, generated by the 290 # tmp-run-multi Makefile rule. 291 sim_multi_src="${sim_multi_src} m16${name}_run.c" 292 sim_multi_obj="${sim_multi_obj} m16${name}_run.o" 293 sim_multi_flags="${sim_multi_flags} -F 16" 294 ;; 295 *:*micromips32*:*) 296 # Run igen thrice, once for micromips32, once for micromips16, 297 # and once for m32. 298 ws="micromips_m32 micromips16 micromips32" 299 300 # The top-level function for the micromips simulator is 301 # in a file micromips${name}_run.c, generated by the 302 # tmp-run-multi Makefile rule. 303 sim_multi_src="${sim_multi_src} micromips${name}_run.c" 304 sim_multi_obj="${sim_multi_obj} micromips${name}_run.o" 305 sim_multi_flags="${sim_multi_flags} -F 16,32" 306 ;; 307 *:*micromips64*:*) 308 # Run igen thrice, once for micromips64, once for micromips16, 309 # and once for m64. 310 ws="micromips_m64 micromips16 micromips64" 311 312 # The top-level function for the micromips simulator is 313 # in a file micromips${name}_run.c, generated by the 314 # tmp-run-multi Makefile rule. 315 sim_multi_src="${sim_multi_src} micromips${name}_run.c" 316 sim_multi_obj="${sim_multi_obj} micromips${name}_run.o" 317 sim_multi_flags="${sim_multi_flags} -F 16,32,64" 318 ;; 319 *) 320 ws=m32 321 ;; 322 esac 323 324 # Now add the list of igen-generated files to ${sim_multi_src} 325 # and ${sim_multi_obj}. 326 for w in ${ws}; do 327 for base in engine icache idecode model semantics support; do 328 sim_multi_src="${sim_multi_src} ${w}${name}_${base}.c" 329 sim_multi_src="${sim_multi_src} ${w}${name}_${base}.h" 330 sim_multi_obj="${sim_multi_obj} ${w}${name}_${base}.o" 331 done 332 sim_multi_igen_configs="${sim_multi_igen_configs} ${w}${c}" 333 done 334 335 # Add an include for the engine.h file. This file declares the 336 # top-level foo_engine_run() function. 337 echo "#include \"${w}${name}_engine.h\"" >> multi-include.h 338 339 # Add case statements for this engine to sim_engine_run(). 340 for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do 341 echo " case bfd_mach_${mach}:" >> multi-run.c 342 if test ${mach} = ${sim_multi_default}; then 343 echo " default:" >> multi-run.c 344 sim_seen_default=yes 345 fi 346 done 347 echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \ 348 >> multi-run.c 349 echo " break;" >> multi-run.c 350 done 351 352 # Check whether we added a 'default:' label. 353 if test ${sim_seen_default} = no; then 354 AC_MSG_ERROR(Error in configure.ac: \${sim_multi_configs} doesn't have an entry for \${sim_multi_default}) 355 fi 356 357 cat << __EOF__ >> multi-run.c 358 } 359} 360 361int 362mips_mach_multi (SIM_DESC sd) 363{ 364 if (STATE_ARCHITECTURE (sd) == NULL) 365 return bfd_mach_${sim_multi_default}; 366 367 switch (STATE_ARCHITECTURE (SD)->mach) 368 { 369__EOF__ 370 371 # Add case statements for this engine to mips_mach_multi(). 372 for fc in ${sim_multi_configs}; do 373 374 # Split up the entry. ${c} contains the first three elements. 375 # Note: outer sqaure brackets are m4 quotes. 376 c=`echo ${fc} | sed ['s/:[^:]*$//']` 377 bfdmachs=`echo ${fc} | sed 's/.*://'` 378 379 for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do 380 echo " case bfd_mach_${mach}:" >> multi-run.c 381 done 382 done 383 384 cat << __EOF__ >> multi-run.c 385 return (STATE_ARCHITECTURE (SD)->mach); 386 default: 387 return bfd_mach_${sim_multi_default}; 388 } 389} 390__EOF__ 391 392 SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_MULTI" 393else 394 # For clean-extra 395 sim_multi_src=doesnt-exist.c 396 397 if test x"${sim_mach_default}" = x""; then 398 AC_MSG_ERROR(Error in configure.ac: \${sim_mach_default} not defined) 399 fi 400 SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_DEFAULT=bfd_mach_${sim_mach_default}" 401fi 402sim_igen_flags="-F ${sim_igen_filter} ${sim_igen_machine} ${sim_igen_smp}" 403sim_m16_flags=" -F ${sim_m16_filter} ${sim_m16_machine} ${sim_igen_smp}" 404sim_micromips16_flags=" -F ${sim_micromips16_filter} ${sim_micromips16_machine} ${sim_igen_smp}" 405sim_micromips_flags=" -F ${sim_micromips_filter} ${sim_micromips_machine} ${sim_igen_smp}" 406AC_SUBST(sim_igen_flags) 407AC_SUBST(sim_m16_flags) 408AC_SUBST(sim_micromips_flags) 409AC_SUBST(sim_micromips16_flags) 410AC_SUBST(sim_gen) 411AC_SUBST(sim_multi_flags) 412AC_SUBST(sim_multi_igen_configs) 413AC_SUBST(sim_multi_src) 414AC_SUBST(sim_multi_obj) 415 416SIM_AC_OUTPUT 417