1 dnl Process this file with autoconf to produce a configure script.
4 sinclude(../common/acinclude.m4)
8 dnl Options available in this module
10 SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
11 SIM_AC_OPTION_HOSTENDIAN
12 SIM_AC_OPTION_WARNINGS
13 SIM_AC_OPTION_RESERVED_BITS(1)
17 # Instead of defining a `subtarget' macro, code should be checking
18 # the value of {STATE,CPU}_ARCHITECTURE to identify the architecture
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";;
30 AC_SUBST(SIM_SUBTARGET)
35 # Select the byte order of the target
40 mips64el*-*-*) mips_endian=LITTLE_ENDIAN ;;
41 mips64vr*el-*-*) default_endian=LITTLE_ENDIAN ;;
42 mips64*-*-*) default_endian=BIG_ENDIAN ;;
43 mips16*-*-*) default_endian=BIG_ENDIAN ;;
44 mipsisa32*-*-*) default_endian=BIG_ENDIAN ;;
45 mipsisa64*-*-*) default_endian=BIG_ENDIAN ;;
46 mips*-*-*) default_endian=BIG_ENDIAN ;;
47 *) default_endian=BIG_ENDIAN ;;
49 SIM_AC_OPTION_ENDIAN($mips_endian,$default_endian)
54 # Select the bitsize of the target
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 ;;
67 SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize)
72 # Select the floating hardware support of the target
74 mips_fpu=HARDWARE_FLOATING_POINT
77 mips*tx39*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
78 mips*-sde-elf*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
79 mips*-mti-elf*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
80 mips64*-*-*) mips_fpu=HARD_FLOATING_POINT ;;
81 mips16*-*-*) mips_fpu=HARD_FLOATING_POINT ;;
82 mipsisa32*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
83 mipsisa64*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
84 mips*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
85 *) mips_fpu=HARD_FLOATING_POINT ;;
87 SIM_AC_OPTION_FLOAT($mips_fpu,$mips_fpu_bitsize)
92 # Select the level of SMP support
97 SIM_AC_OPTION_SMP($mips_smp)
102 # Select the IGEN architecture
105 sim_igen_machine="-M mipsIV"
106 sim_m16_machine="-M mips16,mipsIII"
107 sim_igen_filter="32,64,f"
109 sim_mach_default="mips8000"
112 mips*tx39*) sim_gen=IGEN
113 sim_igen_filter="32,f"
114 sim_igen_machine="-M r3900"
116 mips64vr43*-*-*) sim_gen=IGEN
117 sim_igen_machine="-M mipsIV"
118 sim_mach_default="mips8000"
120 mips64vr5*-*-*) sim_gen=IGEN
121 sim_igen_machine="-M vr5000"
122 sim_mach_default="mips5000"
124 mips64vr41*) sim_gen=M16
125 sim_igen_machine="-M vr4100"
126 sim_m16_machine="-M vr4100"
127 sim_igen_filter="32,64,f"
129 sim_mach_default="mips4100"
131 mips64vr-*-* | mips64vrel-*-*)
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
141 mips*-sde-elf* | mips*-mti-elf*)
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
148 mips64*-*-*) sim_igen_filter="32,64,f"
151 mips16*-*-*) sim_gen=M16
152 sim_igen_filter="32,64,f"
155 mipsisa32r2*-*-*) sim_gen=MULTI
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
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"
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"
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"
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"
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"
189 sim_mach_default="mips4000"
191 mips*-*-*) sim_gen=IGEN
192 sim_igen_filter="32,f"
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}.
200 # ${sim_multi_configs} is the list of engines to build. Each
201 # space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS,
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
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.
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 ${sim_gen} = MULTI; then
222 # Simple sanity check.
223 if test -z "${sim_multi_configs}" || test -z "${sim_multi_default}"; then
224 AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly)
227 # Start in a known state.
228 rm -f multi-include.h multi-run.c
232 sim_multi_igen_configs=
235 cat << __EOF__ > multi-run.c
236 /* Main entry point for MULTI simulators.
237 Copyright (C) 2003-2016 Free Software Foundation, Inc.
239 This program is free software; you can redistribute it and/or modify
240 it under the terms of the GNU General Public License as published by
241 the Free Software Foundation; either version 3 of the License, or
242 (at your option) any later version.
244 This program is distributed in the hope that it will be useful,
245 but WITHOUT ANY WARRANTY; without even the implied warranty of
246 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
247 GNU General Public License for more details.
249 You should have received a copy of the GNU General Public License
250 along with this program. If not, see <http://www.gnu.org/licenses/>.
254 This file was generated by sim/mips/configure. */
256 #include "sim-main.h"
257 #include "multi-include.h"
259 #include "elf/mips.h"
265 sim_engine_run (SIM_DESC sd,
268 int signal) /* ignore */
272 if (STATE_ARCHITECTURE (sd) == NULL)
273 mach = bfd_mach_${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;
278 mach = STATE_ARCHITECTURE (SD)->mach;
284 for fc in ${sim_multi_configs}; do
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/.*://'`
294 # Build the following lists:
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.
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 ${machine}"
306 # Check whether special handling is needed.
309 # Run igen twice, once for normal mode and once for mips16.
312 # The top-level function for the mips16 simulator is
313 # in a file m16${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="${sim_multi_flags} -F 16"
320 # Run igen thrice, once for micromips32, once for micromips16,
322 ws="micromips_m32 micromips16 micromips32"
324 # The top-level function for the micromips simulator is
325 # in a file micromips${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="${sim_multi_flags} -F 16,32"
332 # Run igen thrice, once for micromips64, once for micromips16,
334 ws="micromips_m64 micromips16 micromips64"
336 # The top-level function for the micromips simulator is
337 # in a file micromips${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"
348 # Now add the list of igen-generated files to ${sim_multi_src}
349 # and ${sim_multi_obj}.
351 for base in engine icache idecode model semantics support; do
352 sim_multi_src="${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}_${base}.o"
356 sim_multi_igen_configs="${sim_multi_igen_configs} ${w}${c}"
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
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
371 echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \
373 echo " break;" >> multi-run.c
376 # Check whether we added a 'default:' label.
377 if test ${sim_seen_default} = no; then
378 AC_MSG_ERROR(Error in configure.ac: \${sim_multi_configs} doesn't have an entry for \${sim_multi_default})
381 cat << __EOF__ >> multi-run.c
386 mips_mach_multi (SIM_DESC sd)
388 if (STATE_ARCHITECTURE (sd) == NULL)
389 return bfd_mach_${sim_multi_default};
391 switch (STATE_ARCHITECTURE (SD)->mach)
395 # Add case statements for this engine to mips_mach_multi().
396 for fc in ${sim_multi_configs}; do
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/.*://'`
403 for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do
404 echo " case bfd_mach_${mach}:" >> multi-run.c
408 cat << __EOF__ >> multi-run.c
409 return (STATE_ARCHITECTURE (SD)->mach);
411 return bfd_mach_${sim_multi_default};
416 SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_MULTI"
419 sim_multi_src=doesnt-exist.c
421 if test x"${sim_mach_default}" = x""; then
422 AC_MSG_ERROR(Error in configure.ac: \${sim_mach_default} not defined)
424 SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_DEFAULT=bfd_mach_${sim_mach_default}"
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} ${sim_igen_smp}"
430 AC_SUBST(sim_igen_flags)
431 AC_SUBST(sim_m16_flags)
432 AC_SUBST(sim_micromips_flags)
433 AC_SUBST(sim_micromips16_flags)
435 AC_SUBST(sim_multi_flags)
436 AC_SUBST(sim_multi_igen_configs)
437 AC_SUBST(sim_multi_src)
438 AC_SUBST(sim_multi_obj)
440 # Add simulated hardware devices
446 hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio"
451 SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices)
454 # Choose simulator engine
456 *) mips_igen_engine="engine.o"
459 AC_SUBST(mips_igen_engine)
464 AC_SUBST(mips_extra_libs)
466 AC_CHECK_LIB(m, fabs)
467 AC_CHECK_FUNCS(aint anint sqrt)