1 dnl Process this file with autoconf to produce a configure script.
4 sinclude(../common/acinclude.m4)
8 dnl Options available in this module
9 SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
10 SIM_AC_OPTION_WARNINGS
11 SIM_AC_OPTION_RESERVED_BITS(1)
15 # Instead of defining a `subtarget' macro, code should be checking
16 # the value of {STATE,CPU}_ARCHITECTURE to identify the architecture
20 mips64vr*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1" ;;
21 mips*tx39*) SIM_SUBTARGET="-DSUBTARGET_R3900=1";;
22 mips*-sde-elf*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
23 mips*-mti-elf*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
24 mipsisa32*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
25 mipsisa64*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
28 AC_SUBST(SIM_SUBTARGET)
33 # Select the byte order of the target
38 mips64el*-*-*) mips_endian=LITTLE ;;
39 mips64vr*el-*-*) default_endian=LITTLE ;;
40 mips64*-*-*) default_endian=BIG ;;
41 mips16*-*-*) default_endian=BIG ;;
42 mipsisa32*-*-*) default_endian=BIG ;;
43 mipsisa64*-*-*) default_endian=BIG ;;
44 mips*-*-*) default_endian=BIG ;;
45 *) default_endian=BIG ;;
47 SIM_AC_OPTION_ENDIAN($mips_endian,$default_endian)
52 # Select the bitsize of the target
56 mips*-sde-elf*) mips_bitsize=64 ; mips_msb=63 ;;
57 mips*-mti-elf*) mips_bitsize=64 ; mips_msb=63 ;;
58 mips64*-*-*) mips_bitsize=64 ; mips_msb=63 ;;
59 mips16*-*-*) mips_bitsize=64 ; mips_msb=63 ;;
60 mipsisa32*-*-*) mips_bitsize=32 ; mips_msb=31 ;;
61 mipsisa64*-*-*) mips_bitsize=64 ; mips_msb=63 ;;
62 mips*-*-*) mips_bitsize=32 ; mips_msb=31 ;;
63 *) mips_bitsize=64 ; mips_msb=63 ;;
65 SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize)
70 # Select the floating hardware support of the target
72 mips_fpu=HARDWARE_FLOATING_POINT
75 mips*tx39*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
76 mips*-sde-elf*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
77 mips*-mti-elf*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
78 mips64*-*-*) mips_fpu=HARD_FLOATING_POINT ;;
79 mips16*-*-*) mips_fpu=HARD_FLOATING_POINT ;;
80 mipsisa32*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
81 mipsisa64*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
82 mips*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
83 *) mips_fpu=HARD_FLOATING_POINT ;;
85 SIM_AC_OPTION_FLOAT($mips_fpu,$mips_fpu_bitsize)
90 # Select the IGEN architecture
93 sim_igen_machine="-M mipsIV"
94 sim_m16_machine="-M mips16,mipsIII"
95 sim_igen_filter="32,64,f"
97 sim_mach_default="mips8000"
100 mips*tx39*) sim_gen=IGEN
101 sim_igen_filter="32,f"
102 sim_igen_machine="-M r3900"
104 mips64vr43*-*-*) sim_gen=IGEN
105 sim_igen_machine="-M mipsIV"
106 sim_mach_default="mips8000"
108 mips64vr5*-*-*) sim_gen=IGEN
109 sim_igen_machine="-M vr5000"
110 sim_mach_default="mips5000"
112 mips64vr41*) sim_gen=M16
113 sim_igen_machine="-M vr4100"
114 sim_m16_machine="-M vr4100"
115 sim_igen_filter="32,64,f"
117 sim_mach_default="mips4100"
119 mips64vr-*-* | mips64vrel-*-*)
122 vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\
123 vr4120:mipsIII,mips16,vr4120:32,64:mips4120\
124 vr5000:mipsIV:32,64,f:mips4300,mips5000\
125 vr5400:mipsIV,vr5400:32,64,f:mips5400\
126 vr5500:mipsIV,vr5500:32,64,f:mips5500"
127 sim_multi_default=mips5000
129 mips*-sde-elf* | mips*-mti-elf*)
132 micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\
133 mips64r2:mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,64,f:mipsisa64r2"
134 sim_multi_default=mipsisa64r2
136 mips64*-*-*) sim_igen_filter="32,64,f"
139 mips16*-*-*) sim_gen=M16
140 sim_igen_filter="32,64,f"
143 mipsisa32r2*-*-*) sim_gen=MULTI
145 micromips:micromips32,micromipsdsp:32,f:mips_micromips\
146 mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2"
147 sim_multi_default=mipsisa32r2
149 mipsisa32*-*-*) sim_gen=M16
150 sim_igen_machine="-M mips32,mips16,mips16e,smartmips"
151 sim_m16_machine="-M mips16,mips16e,mips32"
152 sim_igen_filter="32,f"
153 sim_mach_default="mipsisa32"
155 mipsisa64r2*-*-*) sim_gen=M16
156 sim_igen_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2"
157 sim_m16_machine="-M mips16,mips16e,mips64r2"
158 sim_igen_filter="32,64,f"
159 sim_mach_default="mipsisa64r2"
161 mipsisa64sb1*-*-*) sim_gen=IGEN
162 sim_igen_machine="-M mips64,mips3d,sb1"
163 sim_igen_filter="32,64,f"
164 sim_mach_default="mips_sb1"
166 mipsisa64*-*-*) sim_gen=M16
167 sim_igen_machine="-M mips64,mips3d,mips16,mips16e,mdmx"
168 sim_m16_machine="-M mips16,mips16e,mips64"
169 sim_igen_filter="32,64,f"
170 sim_mach_default="mipsisa64"
172 mips*lsi*) sim_gen=M16
173 sim_igen_machine="-M mipsIII,mips16"
174 sim_m16_machine="-M mips16,mipsIII"
175 sim_igen_filter="32,f"
177 sim_mach_default="mips4000"
179 mips*-*-*) sim_gen=IGEN
180 sim_igen_filter="32,f"
184 # The MULTI generator can combine several simulation engines into one.
185 # executable. A configuration which uses the MULTI should set two
186 # variables: ${sim_multi_configs} and ${sim_multi_default}.
188 # ${sim_multi_configs} is the list of engines to build. Each
189 # space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS,
192 # - NAME is a C-compatible prefix for the engine,
193 # - MACHINE is a -M argument,
194 # - FILTER is a -F argument, and
195 # - BFDMACHS is a comma-separated list of bfd machines that the
198 # Each entry will have a separate simulation engine whose prefix is
199 # m32<NAME>. If the machine list includes "mips16", there will also
200 # be a mips16 engine, prefix m16<NAME>. The mips16 engine will be
201 # generated using the same machine list as the 32-bit version,
202 # but the filter will be "16" instead of FILTER.
204 # The simulator compares the bfd mach against BFDMACHS to decide
205 # which engine to use. Entries in BFDMACHS should be bfd_mach
206 # values with "bfd_mach_" removed. ${sim_multi_default} says
207 # which entry should be the default.
208 if test ${sim_gen} = MULTI; then
210 # Simple sanity check.
211 if test -z "${sim_multi_configs}" || test -z "${sim_multi_default}"; then
212 AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly)
215 # Start in a known state.
216 rm -f multi-include.h multi-run.c
220 sim_multi_igen_configs=
223 cat << __EOF__ > multi-run.c
224 /* Main entry point for MULTI simulators.
225 Copyright (C) 2003-2016 Free Software Foundation, Inc.
227 This program is free software; you can redistribute it and/or modify
228 it under the terms of the GNU General Public License as published by
229 the Free Software Foundation; either version 3 of the License, or
230 (at your option) any later version.
232 This program is distributed in the hope that it will be useful,
233 but WITHOUT ANY WARRANTY; without even the implied warranty of
234 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
235 GNU General Public License for more details.
237 You should have received a copy of the GNU General Public License
238 along with this program. If not, see <http://www.gnu.org/licenses/>.
242 This file was generated by sim/mips/configure. */
244 #include "sim-main.h"
245 #include "multi-include.h"
247 #include "elf/mips.h"
253 sim_engine_run (SIM_DESC sd,
256 int signal) /* ignore */
260 if (STATE_ARCHITECTURE (sd) == NULL)
261 mach = bfd_mach_${sim_multi_default};
262 else if (elf_elfheader (sd->base.prog_bfd)->e_flags
263 & EF_MIPS_ARCH_ASE_MICROMIPS)
264 mach = bfd_mach_mips_micromips;
266 mach = STATE_ARCHITECTURE (SD)->mach;
272 for fc in ${sim_multi_configs}; do
274 # Split up the entry. ${c} contains the first three elements.
275 # Note: outer sqaure brackets are m4 quotes.
276 c=`echo ${fc} | sed ['s/:[^:]*$//']`
277 bfdmachs=`echo ${fc} | sed 's/.*://'`
278 name=`echo ${c} | sed 's/:.*//'`
279 machine=`echo ${c} | sed 's/.*:\(.*\):.*/\1/'`
280 filter=`echo ${c} | sed 's/.*://'`
282 # Build the following lists:
284 # sim_multi_flags: all -M and -F flags used by the simulator
285 # sim_multi_src: all makefile-generated source files
286 # sim_multi_obj: the objects for ${sim_multi_src}
287 # sim_multi_igen_configs: igen configuration strings.
289 # Each entry in ${sim_multi_igen_configs} is a prefix (m32
290 # or m16) followed by the NAME, MACHINE and FILTER part of
291 # the ${sim_multi_configs} entry.
292 sim_multi_flags="${sim_multi_flags} -F ${filter} -M ${machine}"
294 # Check whether special handling is needed.
297 # Run igen twice, once for normal mode and once for mips16.
300 # The top-level function for the mips16 simulator is
301 # in a file m16${name}_run.c, generated by the
302 # tmp-run-multi Makefile rule.
303 sim_multi_src="${sim_multi_src} m16${name}_run.c"
304 sim_multi_obj="${sim_multi_obj} m16${name}_run.o"
305 sim_multi_flags="${sim_multi_flags} -F 16"
308 # Run igen thrice, once for micromips32, once for micromips16,
310 ws="micromips_m32 micromips16 micromips32"
312 # The top-level function for the micromips simulator is
313 # in a file micromips${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="${sim_multi_flags} -F 16,32"
320 # Run igen thrice, once for micromips64, once for micromips16,
322 ws="micromips_m64 micromips16 micromips64"
324 # The top-level function for the micromips simulator is
325 # in a file micromips${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 16,32,64"
336 # Now add the list of igen-generated files to ${sim_multi_src}
337 # and ${sim_multi_obj}.
339 for base in engine icache idecode model semantics support; do
340 sim_multi_src="${sim_multi_src} ${w}${name}_${base}.c"
341 sim_multi_src="${sim_multi_src} ${w}${name}_${base}.h"
342 sim_multi_obj="${sim_multi_obj} ${w}${name}_${base}.o"
344 sim_multi_igen_configs="${sim_multi_igen_configs} ${w}${c}"
347 # Add an include for the engine.h file. This file declares the
348 # top-level foo_engine_run() function.
349 echo "#include \"${w}${name}_engine.h\"" >> multi-include.h
351 # Add case statements for this engine to sim_engine_run().
352 for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do
353 echo " case bfd_mach_${mach}:" >> multi-run.c
354 if test ${mach} = ${sim_multi_default}; then
355 echo " default:" >> multi-run.c
359 echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \
361 echo " break;" >> multi-run.c
364 # Check whether we added a 'default:' label.
365 if test ${sim_seen_default} = no; then
366 AC_MSG_ERROR(Error in configure.ac: \${sim_multi_configs} doesn't have an entry for \${sim_multi_default})
369 cat << __EOF__ >> multi-run.c
374 mips_mach_multi (SIM_DESC sd)
376 if (STATE_ARCHITECTURE (sd) == NULL)
377 return bfd_mach_${sim_multi_default};
379 switch (STATE_ARCHITECTURE (SD)->mach)
383 # Add case statements for this engine to mips_mach_multi().
384 for fc in ${sim_multi_configs}; do
386 # Split up the entry. ${c} contains the first three elements.
387 # Note: outer sqaure brackets are m4 quotes.
388 c=`echo ${fc} | sed ['s/:[^:]*$//']`
389 bfdmachs=`echo ${fc} | sed 's/.*://'`
391 for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do
392 echo " case bfd_mach_${mach}:" >> multi-run.c
396 cat << __EOF__ >> multi-run.c
397 return (STATE_ARCHITECTURE (SD)->mach);
399 return bfd_mach_${sim_multi_default};
404 SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_MULTI"
407 sim_multi_src=doesnt-exist.c
409 if test x"${sim_mach_default}" = x""; then
410 AC_MSG_ERROR(Error in configure.ac: \${sim_mach_default} not defined)
412 SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_DEFAULT=bfd_mach_${sim_mach_default}"
414 sim_igen_flags="-F ${sim_igen_filter} ${sim_igen_machine} ${sim_igen_smp}"
415 sim_m16_flags=" -F ${sim_m16_filter} ${sim_m16_machine} ${sim_igen_smp}"
416 sim_micromips16_flags=" -F ${sim_micromips16_filter} ${sim_micromips16_machine} ${sim_igen_smp}"
417 sim_micromips_flags=" -F ${sim_micromips_filter} ${sim_micromips_machine} ${sim_igen_smp}"
418 AC_SUBST(sim_igen_flags)
419 AC_SUBST(sim_m16_flags)
420 AC_SUBST(sim_micromips_flags)
421 AC_SUBST(sim_micromips16_flags)
423 AC_SUBST(sim_multi_flags)
424 AC_SUBST(sim_multi_igen_configs)
425 AC_SUBST(sim_multi_src)
426 AC_SUBST(sim_multi_obj)
428 # Add simulated hardware devices
434 hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio"
439 SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices)
442 # Choose simulator engine
444 *) mips_igen_engine="engine.o"
447 AC_SUBST(mips_igen_engine)
452 AC_SUBST(mips_extra_libs)
454 AC_CHECK_LIB(m, fabs)
455 AC_CHECK_FUNCS(aint anint sqrt)