dnl Process this file with autoconf to produce a configure script. AC_INIT(Makefile.in) sinclude(../common/acinclude.m4) SIM_AC_COMMON dnl Options available in this module SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT) SIM_AC_OPTION_WARNINGS SIM_AC_OPTION_RESERVED_BITS(1) # DEPRECATED # # Instead of defining a `subtarget' macro, code should be checking # the value of {STATE,CPU}_ARCHITECTURE to identify the architecture # in question. # case "${target}" in mips64vr*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1" ;; mips*tx39*) SIM_SUBTARGET="-DSUBTARGET_R3900=1";; mips*-sde-elf*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; mips*-mti-elf*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; mipsisa32*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; mipsisa64*-*-*) SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";; *) SIM_SUBTARGET="";; esac AC_SUBST(SIM_SUBTARGET) # # Select the byte order of the target # mips_endian= default_endian= case "${target}" in mips64el*-*-*) mips_endian=LITTLE ;; mips64vr*el-*-*) default_endian=LITTLE ;; mips64*-*-*) default_endian=BIG ;; mips16*-*-*) default_endian=BIG ;; mipsisa32*-*-*) default_endian=BIG ;; mipsisa64*-*-*) default_endian=BIG ;; mips*-*-*) default_endian=BIG ;; *) default_endian=BIG ;; esac SIM_AC_OPTION_ENDIAN($mips_endian,$default_endian) # # Select the bitsize of the target # mips_addr_bitsize= case "${target}" in mips*-sde-elf*) mips_bitsize=64 ; mips_msb=63 ;; mips*-mti-elf*) mips_bitsize=64 ; mips_msb=63 ;; mips64*-*-*) mips_bitsize=64 ; mips_msb=63 ;; mips16*-*-*) mips_bitsize=64 ; mips_msb=63 ;; mipsisa32*-*-*) mips_bitsize=32 ; mips_msb=31 ;; mipsisa64*-*-*) mips_bitsize=64 ; mips_msb=63 ;; mips*-*-*) mips_bitsize=32 ; mips_msb=31 ;; *) mips_bitsize=64 ; mips_msb=63 ;; esac SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize) # # Select the floating hardware support of the target # mips_fpu=HARDWARE_FLOATING_POINT mips_fpu_bitsize= case "${target}" in mips*tx39*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;; mips*-sde-elf*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;; mips*-mti-elf*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;; mips64*-*-*) mips_fpu=HARD_FLOATING_POINT ;; mips16*-*-*) mips_fpu=HARD_FLOATING_POINT ;; mipsisa32*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;; mipsisa64*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;; mips*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;; *) mips_fpu=HARD_FLOATING_POINT ;; esac SIM_AC_OPTION_FLOAT($mips_fpu,$mips_fpu_bitsize) # # Select the IGEN architecture # sim_gen=IGEN sim_igen_machine="-M mipsIV" sim_m16_machine="-M mips16,mipsIII" sim_igen_filter="32,64,f" sim_m16_filter="16" sim_mach_default="mips8000" case "${target}" in mips*tx39*) sim_gen=IGEN sim_igen_filter="32,f" sim_igen_machine="-M r3900" ;; mips64vr43*-*-*) sim_gen=IGEN sim_igen_machine="-M mipsIV" sim_mach_default="mips8000" ;; mips64vr5*-*-*) sim_gen=IGEN sim_igen_machine="-M vr5000" sim_mach_default="mips5000" ;; mips64vr41*) sim_gen=M16 sim_igen_machine="-M vr4100" sim_m16_machine="-M vr4100" sim_igen_filter="32,64,f" sim_m16_filter="16" sim_mach_default="mips4100" ;; mips64vr-*-* | mips64vrel-*-*) sim_gen=MULTI sim_multi_configs="\ vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\ vr4120:mipsIII,mips16,vr4120:32,64:mips4120\ vr5000:mipsIV:32,64,f:mips4300,mips5000\ vr5400:mipsIV,vr5400:32,64,f:mips5400\ vr5500:mipsIV,vr5500:32,64,f:mips5500" sim_multi_default=mips5000 ;; mips*-sde-elf* | mips*-mti-elf*) sim_gen=MULTI sim_multi_configs="\ micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\ mips64r2:mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,64,f:mipsisa64r2" sim_multi_default=mipsisa64r2 ;; mips64*-*-*) sim_igen_filter="32,64,f" sim_gen=IGEN ;; mips16*-*-*) sim_gen=M16 sim_igen_filter="32,64,f" sim_m16_filter="16" ;; mipsisa32r2*-*-*) sim_gen=MULTI sim_multi_configs="\ micromips:micromips32,micromipsdsp:32,f:mips_micromips\ mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2" sim_multi_default=mipsisa32r2 ;; mipsisa32*-*-*) sim_gen=M16 sim_igen_machine="-M mips32,mips16,mips16e,smartmips" sim_m16_machine="-M mips16,mips16e,mips32" sim_igen_filter="32,f" sim_mach_default="mipsisa32" ;; mipsisa64r2*-*-*) sim_gen=M16 sim_igen_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2" sim_m16_machine="-M mips16,mips16e,mips64r2" sim_igen_filter="32,64,f" sim_mach_default="mipsisa64r2" ;; mipsisa64sb1*-*-*) sim_gen=IGEN sim_igen_machine="-M mips64,mips3d,sb1" sim_igen_filter="32,64,f" sim_mach_default="mips_sb1" ;; mipsisa64*-*-*) sim_gen=M16 sim_igen_machine="-M mips64,mips3d,mips16,mips16e,mdmx" sim_m16_machine="-M mips16,mips16e,mips64" sim_igen_filter="32,64,f" sim_mach_default="mipsisa64" ;; mips*lsi*) sim_gen=M16 sim_igen_machine="-M mipsIII,mips16" sim_m16_machine="-M mips16,mipsIII" sim_igen_filter="32,f" sim_m16_filter="16" sim_mach_default="mips4000" ;; mips*-*-*) sim_gen=IGEN sim_igen_filter="32,f" ;; esac # The MULTI generator can combine several simulation engines into one. # executable. A configuration which uses the MULTI should set two # variables: ${sim_multi_configs} and ${sim_multi_default}. # # ${sim_multi_configs} is the list of engines to build. Each # space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS, # where: # # - NAME is a C-compatible prefix for the engine, # - MACHINE is a -M argument, # - FILTER is a -F argument, and # - BFDMACHS is a comma-separated list of bfd machines that the # simulator can run. # # Each entry will have a separate simulation engine whose prefix is # m32. If the machine list includes "mips16", there will also # be a mips16 engine, prefix m16. The mips16 engine will be # generated using the same machine list as the 32-bit version, # but the filter will be "16" instead of FILTER. # # The simulator compares the bfd mach against BFDMACHS to decide # which engine to use. Entries in BFDMACHS should be bfd_mach # values with "bfd_mach_" removed. ${sim_multi_default} says # which entry should be the default. if test ${sim_gen} = MULTI; then # Simple sanity check. if test -z "${sim_multi_configs}" || test -z "${sim_multi_default}"; then AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly) fi # Start in a known state. rm -f multi-include.h multi-run.c sim_multi_flags= sim_multi_src= sim_multi_obj= sim_multi_igen_configs= sim_seen_default=no cat << __EOF__ > multi-run.c /* Main entry point for MULTI simulators. Copyright (C) 2003-2021 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . -- This file was generated by sim/mips/configure. */ #include "sim-main.h" #include "multi-include.h" #include "elf-bfd.h" #include "elf/mips.h" #define SD sd #define CPU cpu void sim_engine_run (SIM_DESC sd, int next_cpu_nr, int nr_cpus, int signal) /* ignore */ { int mach; if (STATE_ARCHITECTURE (sd) == NULL) mach = bfd_mach_${sim_multi_default}; else if (elf_elfheader (STATE_PROG_BFD (sd))->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) mach = bfd_mach_mips_micromips; else mach = STATE_ARCHITECTURE (SD)->mach; switch (mach) { __EOF__ for fc in ${sim_multi_configs}; do # Split up the entry. ${c} contains the first three elements. # Note: outer sqaure brackets are m4 quotes. c=`echo ${fc} | sed ['s/:[^:]*$//']` bfdmachs=`echo ${fc} | sed 's/.*://'` name=`echo ${c} | sed 's/:.*//'` machine=`echo ${c} | sed 's/.*:\(.*\):.*/\1/'` filter=`echo ${c} | sed 's/.*://'` # Build the following lists: # # sim_multi_flags: all -M and -F flags used by the simulator # sim_multi_src: all makefile-generated source files # sim_multi_obj: the objects for ${sim_multi_src} # sim_multi_igen_configs: igen configuration strings. # # Each entry in ${sim_multi_igen_configs} is a prefix (m32 # or m16) followed by the NAME, MACHINE and FILTER part of # the ${sim_multi_configs} entry. sim_multi_flags="${sim_multi_flags} -F ${filter} -M ${machine}" # Check whether special handling is needed. case ${c} in *:*mips16*:*) # Run igen twice, once for normal mode and once for mips16. ws="m32 m16" # The top-level function for the mips16 simulator is # in a file m16${name}_run.c, generated by the # tmp-run-multi Makefile rule. sim_multi_src="${sim_multi_src} m16${name}_run.c" sim_multi_obj="${sim_multi_obj} m16${name}_run.o" sim_multi_flags="${sim_multi_flags} -F 16" ;; *:*micromips32*:*) # Run igen thrice, once for micromips32, once for micromips16, # and once for m32. ws="micromips_m32 micromips16 micromips32" # The top-level function for the micromips simulator is # in a file micromips${name}_run.c, generated by the # tmp-run-multi Makefile rule. sim_multi_src="${sim_multi_src} micromips${name}_run.c" sim_multi_obj="${sim_multi_obj} micromips${name}_run.o" sim_multi_flags="${sim_multi_flags} -F 16,32" ;; *:*micromips64*:*) # Run igen thrice, once for micromips64, once for micromips16, # and once for m64. ws="micromips_m64 micromips16 micromips64" # The top-level function for the micromips simulator is # in a file micromips${name}_run.c, generated by the # tmp-run-multi Makefile rule. sim_multi_src="${sim_multi_src} micromips${name}_run.c" sim_multi_obj="${sim_multi_obj} micromips${name}_run.o" sim_multi_flags="${sim_multi_flags} -F 16,32,64" ;; *) ws=m32 ;; esac # Now add the list of igen-generated files to ${sim_multi_src} # and ${sim_multi_obj}. for w in ${ws}; do for base in engine icache idecode model semantics support; do sim_multi_src="${sim_multi_src} ${w}${name}_${base}.c" sim_multi_src="${sim_multi_src} ${w}${name}_${base}.h" sim_multi_obj="${sim_multi_obj} ${w}${name}_${base}.o" done sim_multi_igen_configs="${sim_multi_igen_configs} ${w}${c}" done # Add an include for the engine.h file. This file declares the # top-level foo_engine_run() function. echo "#include \"${w}${name}_engine.h\"" >> multi-include.h # Add case statements for this engine to sim_engine_run(). for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do echo " case bfd_mach_${mach}:" >> multi-run.c if test ${mach} = ${sim_multi_default}; then echo " default:" >> multi-run.c sim_seen_default=yes fi done echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \ >> multi-run.c echo " break;" >> multi-run.c done # Check whether we added a 'default:' label. if test ${sim_seen_default} = no; then AC_MSG_ERROR(Error in configure.ac: \${sim_multi_configs} doesn't have an entry for \${sim_multi_default}) fi cat << __EOF__ >> multi-run.c } } int mips_mach_multi (SIM_DESC sd) { if (STATE_ARCHITECTURE (sd) == NULL) return bfd_mach_${sim_multi_default}; switch (STATE_ARCHITECTURE (SD)->mach) { __EOF__ # Add case statements for this engine to mips_mach_multi(). for fc in ${sim_multi_configs}; do # Split up the entry. ${c} contains the first three elements. # Note: outer sqaure brackets are m4 quotes. c=`echo ${fc} | sed ['s/:[^:]*$//']` bfdmachs=`echo ${fc} | sed 's/.*://'` for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do echo " case bfd_mach_${mach}:" >> multi-run.c done done cat << __EOF__ >> multi-run.c return (STATE_ARCHITECTURE (SD)->mach); default: return bfd_mach_${sim_multi_default}; } } __EOF__ SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_MULTI" else # For clean-extra sim_multi_src=doesnt-exist.c if test x"${sim_mach_default}" = x""; then AC_MSG_ERROR(Error in configure.ac: \${sim_mach_default} not defined) fi SIM_SUBTARGET="$SIM_SUBTARGET -DMIPS_MACH_DEFAULT=bfd_mach_${sim_mach_default}" fi sim_igen_flags="-F ${sim_igen_filter} ${sim_igen_machine} ${sim_igen_smp}" sim_m16_flags=" -F ${sim_m16_filter} ${sim_m16_machine} ${sim_igen_smp}" sim_micromips16_flags=" -F ${sim_micromips16_filter} ${sim_micromips16_machine} ${sim_igen_smp}" sim_micromips_flags=" -F ${sim_micromips_filter} ${sim_micromips_machine} ${sim_igen_smp}" AC_SUBST(sim_igen_flags) AC_SUBST(sim_m16_flags) AC_SUBST(sim_micromips_flags) AC_SUBST(sim_micromips16_flags) AC_SUBST(sim_gen) AC_SUBST(sim_multi_flags) AC_SUBST(sim_multi_igen_configs) AC_SUBST(sim_multi_src) AC_SUBST(sim_multi_obj) # # Add simulated hardware devices # hw_enabled=no case "${target}" in mips*tx39*) hw_enabled=yes hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio" ;; *) ;; esac SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices) # Choose simulator engine case "${target}" in *) mips_igen_engine="engine.o" ;; esac AC_SUBST(mips_igen_engine) AC_PATH_X mips_extra_libs="" AC_SUBST(mips_extra_libs) AC_CHECK_LIB(m, fabs) AC_CHECK_FUNCS(aint anint sqrt) SIM_AC_OUTPUT