sim/mips/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_PREREQ(2.64)dnl
   3 AC_INIT(Makefile.in)
   4 sinclude(../common/acinclude.m4)
   5
   6 SIM_AC_COMMON
   7
   8 dnl Options available in this module
   9 SIM_AC_OPTION_INLINE()
  10 SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
  11 SIM_AC_OPTION_HOSTENDIAN
  12 SIM_AC_OPTION_WARNINGS
  13 SIM_AC_OPTION_RESERVED_BITS(1)
  14
  15 # DEPRECATED
  16 #
  17 # Instead of defining a `subtarget' macro, code should be checking
  18 # the value of {STATE,CPU}_ARCHITECTURE to identify the architecture
  19 # in question.
  20 #
  21 case "${target}" in
  22   mips64vr*-*-*)        SIM_SUBTARGET="-DTARGET_ENABLE_FR=1" ;;
  23   mips*tx39*)           SIM_SUBTARGET="-DSUBTARGET_R3900=1";;
  24   mips*-sde-elf*)       SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
  25   mips*-mti-elf*)       SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
  26   mipsisa32*-*-*)       SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
  27   mipsisa64*-*-*)       SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
  28   *)                    SIM_SUBTARGET="";;
  29 esac
  30 AC_SUBST(SIM_SUBTARGET)
  31
  32
  33
  34 #
  35 # Select the byte order of the target
  36 #
  37 mips_endian=
  38 default_endian=
  39 case "${target}" in
  40   mips64el*-*-*)        mips_endian=LITTLE ;;
  41   mips64vr*el-*-*)      default_endian=LITTLE ;;
  42   mips64*-*-*)          default_endian=BIG ;;
  43   mips16*-*-*)          default_endian=BIG ;;
  44   mipsisa32*-*-*)       default_endian=BIG ;;
  45   mipsisa64*-*-*)       default_endian=BIG ;;
  46   mips*-*-*)            default_endian=BIG ;;
  47   *)                    default_endian=BIG ;;
  48 esac
  49 SIM_AC_OPTION_ENDIAN($mips_endian,$default_endian)
  50
  51
  52
  53 #
  54 # Select the bitsize of the target
  55 #
  56 mips_addr_bitsize=
  57 case "${target}" in
  58   mips*-sde-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
  59   mips*-mti-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
  60   mips64*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
  61   mips16*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
  62   mipsisa32*-*-*)       mips_bitsize=32 ; mips_msb=31 ;;
  63   mipsisa64*-*-*)       mips_bitsize=64 ; mips_msb=63 ;;
  64   mips*-*-*)            mips_bitsize=32 ; mips_msb=31 ;;
  65   *)                    mips_bitsize=64 ; mips_msb=63 ;;
  66 esac
  67 SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize)
  68
  69
  70
  71 #
  72 # Select the floating hardware support of the target
  73 #
  74 mips_fpu=HARDWARE_FLOATING_POINT
  75 mips_fpu_bitsize=
  76 case "${target}" in
  77   mips*tx39*)           mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
  78   mips*-sde-elf*)       mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
  79   mips*-mti-elf*)       mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
  80   mips64*-*-*)          mips_fpu=HARD_FLOATING_POINT ;;
  81   mips16*-*-*)          mips_fpu=HARD_FLOATING_POINT ;;
  82   mipsisa32*-*-*)       mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
  83   mipsisa64*-*-*)       mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
  84   mips*-*-*)            mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
  85   *)                    mips_fpu=HARD_FLOATING_POINT ;;
  86 esac
  87 SIM_AC_OPTION_FLOAT($mips_fpu,$mips_fpu_bitsize)
  88
  89
  90
  91 #
  92 # Select the level of SMP support
  93 #
  94 case "${target}" in
  95   *)                    mips_smp=0 ;;
  96 esac
  97 SIM_AC_OPTION_SMP($mips_smp)
  98
  99
 100
 101 #
 102 # Select the IGEN architecture
 103 #
 104 sim_gen=IGEN
 105 sim_igen_machine="-M mipsIV"
 106 sim_m16_machine="-M mips16,mipsIII"
 107 sim_igen_filter="32,64,f"
 108 sim_m16_filter="16"
 109 sim_mach_default="mips8000"
 110
 111 case "${target}" in
 112   mips*tx39*)           sim_gen=IGEN
 113                         sim_igen_filter="32,f"
 114                         sim_igen_machine="-M r3900"
 115                         ;;
 116   mips64vr43*-*-*)      sim_gen=IGEN
 117                         sim_igen_machine="-M mipsIV"
 118                         sim_mach_default="mips8000"
 119                         ;;
 120   mips64vr5*-*-*)       sim_gen=IGEN
 121                         sim_igen_machine="-M vr5000"
 122                         sim_mach_default="mips5000"
 123                         ;;
 124   mips64vr41*)          sim_gen=M16
 125                         sim_igen_machine="-M vr4100"
 126                         sim_m16_machine="-M vr4100"
 127                         sim_igen_filter="32,64,f"
 128                         sim_m16_filter="16"
 129                         sim_mach_default="mips4100"
 130                         ;;
 131   mips64vr-*-* | mips64vrel-*-*)
 132                         sim_gen=MULTI
 133                         sim_multi_configs="\
 134                           vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\
 135                           vr4120:mipsIII,mips16,vr4120:32,64:mips4120\
 136                           vr5000:mipsIV:32,64,f:mips4300,mips5000\
 137                           vr5400:mipsIV,vr5400:32,64,f:mips5400\
 138                           vr5500:mipsIV,vr5500:32,64,f:mips5500"
 139                         sim_multi_default=mips5000
 140                         ;;
 141   mips*-sde-elf* | mips*-mti-elf*)
 142                         sim_gen=MULTI
 143                         sim_multi_configs="\
 144                           micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\
 145                           mips64r2:mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,64,f:mipsisa64r2"
 146                         sim_multi_default=mipsisa64r2
 147                         ;;
 148   mips64*-*-*)          sim_igen_filter="32,64,f"
 149                         sim_gen=IGEN
 150                         ;;
 151   mips16*-*-*)          sim_gen=M16
 152                         sim_igen_filter="32,64,f"
 153                         sim_m16_filter="16"
 154                         ;;
 155   mipsisa32r2*-*-*)     sim_gen=MULTI
 156                         sim_multi_configs="\
 157                           micromips:micromips32,micromipsdsp:32,f:mips_micromips\
 158                           mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2"
 159                         sim_multi_default=mipsisa32r2
 160                         ;;
 161   mipsisa32*-*-*)       sim_gen=M16
 162                         sim_igen_machine="-M mips32,mips16,mips16e,smartmips"
 163                         sim_m16_machine="-M mips16,mips16e,mips32"
 164                         sim_igen_filter="32,f"
 165                         sim_mach_default="mipsisa32"
 166                         ;;
 167   mipsisa64r2*-*-*)     sim_gen=M16
 168                         sim_igen_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2"
 169                         sim_m16_machine="-M mips16,mips16e,mips64r2"
 170                         sim_igen_filter="32,64,f"
 171                         sim_mach_default="mipsisa64r2"
 172                         ;;
 173   mipsisa64sb1*-*-*)    sim_gen=IGEN
 174                         sim_igen_machine="-M mips64,mips3d,sb1"
 175                         sim_igen_filter="32,64,f"
 176                         sim_mach_default="mips_sb1"
 177                         ;;
 178   mipsisa64*-*-*)       sim_gen=M16
 179                         sim_igen_machine="-M mips64,mips3d,mips16,mips16e,mdmx"
 180                         sim_m16_machine="-M mips16,mips16e,mips64"
 181                         sim_igen_filter="32,64,f"
 182                         sim_mach_default="mipsisa64"
 183                         ;;
 184   mips*lsi*)            sim_gen=M16
 185                         sim_igen_machine="-M mipsIII,mips16"
 186                         sim_m16_machine="-M mips16,mipsIII"
 187                         sim_igen_filter="32,f"
 188                         sim_m16_filter="16"
 189                         sim_mach_default="mips4000"
 190                         ;;
 191   mips*-*-*)            sim_gen=IGEN
 192                         sim_igen_filter="32,f"
 193                         ;;
 194 esac
 195
 196 # The MULTI generator can combine several simulation engines into one.
 197 # executable.  A configuration which uses the MULTI should set two
 198 # variables: ${sim_multi_configs} and ${sim_multi_default}.
 199 #
 200 # ${sim_multi_configs} is the list of engines to build.  Each
 201 # space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS,
 202 # where:
 203 #
 204 # - NAME is a C-compatible prefix for the engine,
 205 # - MACHINE is a -M argument,
 206 # - FILTER is a -F argument, and
 207 # - BFDMACHS is a comma-separated list of bfd machines that the
 208 #     simulator can run.
 209 #
 210 # Each entry will have a separate simulation engine whose prefix is
 211 # m32<NAME>.  If the machine list includes "mips16", there will also
 212 # be a mips16 engine, prefix m16<NAME>.  The mips16 engine will be
 213 # generated using the same machine list as the 32-bit version,
 214 # but the filter will be "16" instead of FILTER.
 215 #
 216 # The simulator compares the bfd mach against BFDMACHS to decide
 217 # which engine to use.  Entries in BFDMACHS should be bfd_mach
 218 # values with "bfd_mach_" removed.  ${sim_multi_default} says
 219 # which entry should be the default.
 220 if test ${sim_gen} = MULTI; then
 221
 222   # Simple sanity check.
 223   if test -z "${sim_multi_configs}" || test -z "${sim_multi_default}"; then
 224     AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly)
 225   fi
 226
 227   # Start in a known state.
 228   rm -f multi-include.h multi-run.c
 229   sim_multi_flags=
 230   sim_multi_src=
 231   sim_multi_obj=
 232   sim_multi_igen_configs=
 233   sim_seen_default=no
 234
 235   cat << __EOF__ > multi-run.c
 236 /* Main entry point for MULTI simulators.
 237    Copyright (C) 2003-2016 Free Software Foundation, Inc.
 238
 239    This program is free software; you can redistribute it and/or modify
 240    it under the terms of the GNU General Public License as published by
 241    the Free Software Foundation; either version 3 of the License, or
 242    (at your option) any later version.
 243
 244    This program is distributed in the hope that it will be useful,
 245    but WITHOUT ANY WARRANTY; without even the implied warranty of
 246    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 247    GNU General Public License for more details.
 248
 249    You should have received a copy of the GNU General Public License
 250    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 251
 252    --
 253
 254    This file was generated by sim/mips/configure.  */
 255
 256 #include "sim-main.h"
 257 #include "multi-include.h"
 258 #include "elf-bfd.h"
 259 #include "elf/mips.h"
 260
 261 #define SD sd
 262 #define CPU cpu
 263
 264 void
 265 sim_engine_run (SIM_DESC sd,
 266                 int next_cpu_nr,
 267                 int nr_cpus,
 268                 int signal) /* ignore */
 269 {
 270   int mach;
 271
 272   if (STATE_ARCHITECTURE (sd) == NULL)
 273     mach = bfd_mach_${sim_multi_default};
 274   else if (elf_elfheader (sd->base.prog_bfd)->e_flags
 275            & EF_MIPS_ARCH_ASE_MICROMIPS)
 276     mach = bfd_mach_mips_micromips;
 277   else
 278     mach = STATE_ARCHITECTURE (SD)->mach;
 279
 280   switch (mach)
 281     {
 282 __EOF__
 283
 284   for fc in ${sim_multi_configs}; do
 285
 286     # Split up the entry.  ${c} contains the first three elements.
 287     # Note: outer sqaure brackets are m4 quotes.
 288     c=`echo ${fc} | sed ['s/:[^:]*$//']`
 289     bfdmachs=`echo ${fc} | sed 's/.*://'`
 290     name=`echo ${c} | sed 's/:.*//'`
 291     machine=`echo ${c} | sed 's/.*:\(.*\):.*/\1/'`
 292     filter=`echo ${c} | sed 's/.*://'`
 293
 294     # Build the following lists:
 295     #
 296     #   sim_multi_flags: all -M and -F flags used by the simulator
 297     #   sim_multi_src: all makefile-generated source files
 298     #   sim_multi_obj: the objects for ${sim_multi_src}
 299     #   sim_multi_igen_configs: igen configuration strings.
 300     #
 301     # Each entry in ${sim_multi_igen_configs} is a prefix (m32
 302     # or m16) followed by the NAME, MACHINE and FILTER part of
 303     # the ${sim_multi_configs} entry.
 304     sim_multi_flags="${sim_multi_flags} -F ${filter} -M ${machine}"
 305
 306     # Check whether special handling is needed.
 307     case ${c} in
 308       *:*mips16*:*)
 309         # Run igen twice, once for normal mode and once for mips16.
 310         ws="m32 m16"
 311
 312         # The top-level function for the mips16 simulator is
 313         # in a file m16${name}_run.c, generated by the
 314         # tmp-run-multi Makefile rule.
 315         sim_multi_src="${sim_multi_src} m16${name}_run.c"
 316         sim_multi_obj="${sim_multi_obj} m16${name}_run.o"
 317         sim_multi_flags="${sim_multi_flags} -F 16"
 318         ;;
 319       *:*micromips32*:*)
 320         # Run igen thrice, once for micromips32, once for micromips16,
 321         # and once for m32.
 322         ws="micromips_m32 micromips16 micromips32"
 323
 324         # The top-level function for the micromips simulator is
 325         # in a file micromips${name}_run.c, generated by the
 326         # tmp-run-multi Makefile rule.
 327         sim_multi_src="${sim_multi_src} micromips${name}_run.c"
 328         sim_multi_obj="${sim_multi_obj} micromips${name}_run.o"
 329         sim_multi_flags="${sim_multi_flags} -F 16,32"
 330         ;;
 331       *:*micromips64*:*)
 332         # Run igen thrice, once for micromips64, once for micromips16,
 333         # and once for m64.
 334         ws="micromips_m64 micromips16 micromips64"
 335
 336         # The top-level function for the micromips simulator is
 337         # in a file micromips${name}_run.c, generated by the
 338         # tmp-run-multi Makefile rule.
 339         sim_multi_src="${sim_multi_src} micromips${name}_run.c"
 340         sim_multi_obj="${sim_multi_obj} micromips${name}_run.o"
 341         sim_multi_flags="${sim_multi_flags} -F 16,32,64"
 342         ;;
 343       *)
 344         ws=m32
 345         ;;
 346     esac
 347
 348     # Now add the list of igen-generated files to ${sim_multi_src}
 349     # and ${sim_multi_obj}.
 350     for w in ${ws}; do
 351       for base in engine icache idecode model semantics support; do
 352         sim_multi_src="${sim_multi_src} ${w}${name}_${base}.c"
 353         sim_multi_src="${sim_multi_src} ${w}${name}_${base}.h"
 354         sim_multi_obj="${sim_multi_obj} ${w}${name}_${base}.o"
 355       done
 356       sim_multi_igen_configs="${sim_multi_igen_configs} ${w}${c}"
 357     done
 358
 359     # Add an include for the engine.h file.  This file declares the
 360     # top-level foo_engine_run() function.
 361     echo "#include \"${w}${name}_engine.h\"" >> multi-include.h
 362
 363     # Add case statements for this engine to sim_engine_run().
 364     for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do
 365       echo "    case bfd_mach_${mach}:" >> multi-run.c
 366       if test ${mach} = ${sim_multi_default}; then
 367         echo "    default:" >> multi-run.c
 368         sim_seen_default=yes
 369       fi
 370     done
 371     echo "      ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \
 372       >> multi-run.c
 373     echo "      break;" >> multi-run.c
 374   done
 375
 376   # Check whether we added a 'default:' label.
 377   if test ${sim_seen_default} = no; then
 378     AC_MSG_ERROR(Error in configure.ac: \${sim_multi_configs} doesn't have an entry for \${sim_multi_default})
 379   fi
 380
 381   cat << __EOF__ >> multi-run.c
 382     }
 383 }
 384
 385 int
 386 mips_mach_multi (SIM_DESC sd)
 387 {
 388   if (STATE_ARCHITECTURE (sd) == NULL)
 389     return bfd_mach_${sim_multi_default};
 390
 391   switch (STATE_ARCHITECTURE (SD)->mach)
 392     {
 393 __EOF__
 394
 395   # Add case statements for this engine to mips_mach_multi().
 396   for fc in ${sim_multi_configs}; do
 397
 398     # Split up the entry.  ${c} contains the first three elements.
 399     # Note: outer sqaure brackets are m4 quotes.
 400     c=`echo ${fc} | sed ['s/:[^:]*$//']`
 401     bfdmachs=`echo ${fc} | sed 's/.*://'`
 402
 403     for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do
 404       echo "    case bfd_mach_${mach}:" >> multi-run.c
 405     done
 406   done
 407
 408   cat << __EOF__ >> multi-run.c
 409       return (STATE_ARCHITECTURE (SD)->mach);
 410     default:
 411       return bfd_mach_${sim_multi_default};
 412     }
 413 }
 414 __EOF__
 415
 416   SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_MULTI"
 417 else
 418   # For clean-extra
 419   sim_multi_src=doesnt-exist.c
 420
 421   if test x"${sim_mach_default}" = x""; then
 422     AC_MSG_ERROR(Error in configure.ac: \${sim_mach_default} not defined)
 423   fi
 424   SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_DEFAULT=bfd_mach_${sim_mach_default}"
 425 fi
 426 sim_igen_flags="-F ${sim_igen_filter} ${sim_igen_machine} ${sim_igen_smp}"
 427 sim_m16_flags=" -F ${sim_m16_filter}  ${sim_m16_machine}  ${sim_igen_smp}"
 428 sim_micromips16_flags=" -F ${sim_micromips16_filter}  ${sim_micromips16_machine}  ${sim_igen_smp}"
 429 sim_micromips_flags=" -F ${sim_micromips_filter}  ${sim_micromips_machine}  ${sim_igen_smp}"
 430 AC_SUBST(sim_igen_flags)
 431 AC_SUBST(sim_m16_flags)
 432 AC_SUBST(sim_micromips_flags)
 433 AC_SUBST(sim_micromips16_flags)
 434 AC_SUBST(sim_gen)
 435 AC_SUBST(sim_multi_flags)
 436 AC_SUBST(sim_multi_igen_configs)
 437 AC_SUBST(sim_multi_src)
 438 AC_SUBST(sim_multi_obj)
 439 #
 440 # Add simulated hardware devices
 441 #
 442 hw_enabled=no
 443 case "${target}" in
 444   mips*tx39*)
 445         hw_enabled=yes
 446         hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio"
 447         ;;
 448   *)
 449         ;;
 450 esac
 451 SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices)
 452
 453
 454 # Choose simulator engine
 455 case "${target}" in
 456   *)    mips_igen_engine="engine.o"
 457         ;;
 458 esac
 459 AC_SUBST(mips_igen_engine)
 460
 461
 462 AC_PATH_X
 463 mips_extra_libs=""
 464 AC_SUBST(mips_extra_libs)
 465
 466 AC_CHECK_LIB(m, fabs)
 467 AC_CHECK_FUNCS(aint anint sqrt)
 468
 469 SIM_AC_OUTPUT