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