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author | Mike Frysinger <vapier@gentoo.org> | 2022-12-24 21:29:55 -0500 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2022-12-24 22:13:56 -0500 |
commit | 23ddbd2f2bfc6ab17afb805a70f145ee7af524ea (patch) | |
tree | 83ac409c70ef32e133d81fa249e5b9aae398523e /sim/mips/acinclude.m4 | |
parent | abc494c65d640626891408d551a0fe1842e728e3 (diff) | |
download | gdb-23ddbd2f2bfc6ab17afb805a70f145ee7af524ea.zip gdb-23ddbd2f2bfc6ab17afb805a70f145ee7af524ea.tar.gz gdb-23ddbd2f2bfc6ab17afb805a70f145ee7af524ea.tar.bz2 |
sim: mips: clean up a bit after mips/configure removal
Now that there is no subdir configure script, we can clean up some
logic that was spread between the files.
Diffstat (limited to 'sim/mips/acinclude.m4')
-rw-r--r-- | sim/mips/acinclude.m4 | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/sim/mips/acinclude.m4 b/sim/mips/acinclude.m4 new file mode 100644 index 0000000..0a8bf97 --- /dev/null +++ b/sim/mips/acinclude.m4 @@ -0,0 +1,337 @@ +dnl Copyright (C) 2005-2022 Free Software Foundation, Inc. +dnl +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 3 of the License, or +dnl (at your option) any later version. +dnl +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +dnl GNU General Public License for more details. +dnl +dnl You should have received a copy of the GNU General Public License +dnl along with this program. If not, see <http://www.gnu.org/licenses/>. +dnl +dnl NB: This file is included in sim/configure, so keep settings namespaced. + +dnl DEPRECATED +dnl +dnl Instead of defining a `subtarget' macro, code should be checking the value +dnl of {STATE,CPU}_ARCHITECTURE to identify the architecture dnl in question. +AC_MSG_CHECKING([mips subtarget]) +SIM_MIPS_SUBTARGET= +AS_CASE([${target}], + [mips64vr*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], + [mips*tx39*], [SIM_MIPS_SUBTARGET="-DSUBTARGET_R3900=1"], + [mips*-sde-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], + [mips*-mti-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], + [mipsisa32*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], + [mipsisa64*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"]) +AC_MSG_RESULT([${SIM_MIPS_SUBTARGET:-none}]) +AC_SUBST(SIM_MIPS_SUBTARGET) + +dnl Select the bitsize of the target. +AC_MSG_CHECKING([mips bitsize]) +SIM_MIPS_BITSIZE=64 +AS_CASE([${target}], + [mips*-sde-elf*], [SIM_MIPS_BITSIZE=64], + [mips*-mti-elf*], [SIM_MIPS_BITSIZE=64], + [mips64*-*-*], [SIM_MIPS_BITSIZE=64], + [mips16*-*-*], [SIM_MIPS_BITSIZE=64], + [mipsisa32*-*-*], [SIM_MIPS_BITSIZE=32], + [mipsisa64*-*-*], [SIM_MIPS_BITSIZE=64], + [mips*-*-*], [SIM_MIPS_BITSIZE=32]) +AC_MSG_RESULT([$SIM_MIPS_BITSIZE]) +AC_SUBST(SIM_MIPS_BITSIZE) + +dnl Select the floating hardware support of the target. +AC_MSG_CHECKING([mips fpu bitsize]) +SIM_MIPS_FPU_BITSIZE=64 +AS_CASE([${target}], + [mips*tx39*], [SIM_MIPS_FPU_BITSIZE=32], + [mips*-sde-elf*], [SIM_MIPS_FPU_BITSIZE=64], + [mips*-mti-elf*], [SIM_MIPS_FPU_BITSIZE=64], + [mipsisa32*-*-*], [SIM_MIPS_FPU_BITSIZE=64], + [mipsisa64*-*-*], [SIM_MIPS_FPU_BITSIZE=64], + [mips*-*-*], [SIM_MIPS_FPU_BITSIZE=32]) +AC_MSG_RESULT([$SIM_MIPS_FPU_BITSIZE]) +AC_SUBST(SIM_MIPS_FPU_BITSIZE) + +dnl Select the IGEN architecture. +SIM_MIPS_GEN=IGEN +sim_mips_igen_machine="-M mipsIV" +sim_mips_m16_machine="-M mips16,mipsIII" +sim_mips_igen_filter="32,64,f" +sim_mips_m16_filter="16" +AS_CASE([${target}], + [mips*tx39*], [dnl + SIM_MIPS_GEN=IGEN + sim_mips_igen_filter="32,f" + sim_mips_igen_machine="-M r3900"], + [mips64vr41*], [dnl + SIM_MIPS_GEN=M16 + sim_mips_igen_machine="-M vr4100" + sim_mips_m16_machine="-M vr4100"], + [mips64*], [dnl + SIM_MIPS_GEN=MULTI + sim_mips_multi_configs="\ + vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\ + vr4120:mipsIII,mips16,vr4120:32,64:mips4120\ + vr5000:mipsIV:32,64,f:mips4300,mips5000,mips8000\ + vr5400:mipsIV,vr5400:32,64,f:mips5400\ + vr5500:mipsIV,vr5500:32,64,f:mips5500" + sim_mips_multi_default=mips5000], + [mips*-sde-elf* | mips*-mti-elf*], [dnl + SIM_MIPS_GEN=MULTI + sim_mips_multi_configs="\ + micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\ + mipsisa64r2:mips64r2,mips16,mips16e,mdmx,dsp,dsp2,mips3d,smartmips:32,64,f:mipsisa32r2,mipsisa64r2,mipsisa32r5,mipsisa64r5\ + mipsisa64r6:mips64r6:32,64,f:mipsisa32r6,mipsisa64r6" + sim_mips_multi_default=mipsisa64r2], + [mips16*], [dnl + SIM_MIPS_GEN=M16], + [mipsisa32r2*], [dnl + SIM_MIPS_GEN=MULTI + sim_mips_multi_configs="\ + micromips:micromips32,micromipsdsp:32,f:mips_micromips\ + mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2" + sim_mips_multi_default=mipsisa32r2], + [mipsisa32r6*], [dnl + SIM_MIPS_GEN=IGEN + sim_mips_igen_machine="-M mips32r6" + sim_mips_igen_filter="32,f"], + [mipsisa32*], [dnl + SIM_MIPS_GEN=M16 + sim_mips_igen_machine="-M mips32,mips16,mips16e,smartmips" + sim_mips_m16_machine="-M mips16,mips16e,mips32" + sim_mips_igen_filter="32,f"], + [mipsisa64r2*], [dnl + SIM_MIPS_GEN=M16 + sim_mips_igen_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2" + sim_mips_m16_machine="-M mips16,mips16e,mips64r2"], + [mipsisa64r6*], [dnl + SIM_MIPS_GEN=IGEN + sim_mips_igen_machine="-M mips64r6"], + [mipsisa64sb1*], [dnl + SIM_MIPS_GEN=IGEN + sim_mips_igen_machine="-M mips64,mips3d,sb1"], + [mipsisa64*], [dnl + SIM_MIPS_GEN=M16 + sim_mips_igen_machine="-M mips64,mips3d,mips16,mips16e,mdmx" + sim_mips_m16_machine="-M mips16,mips16e,mips64"], + [mips*lsi*], [dnl + SIM_MIPS_GEN=M16 + sim_mips_igen_machine="-M mipsIII,mips16" + sim_mips_m16_machine="-M mips16,mipsIII" + sim_mips_igen_filter="32,f"], + [mips*], [dnl + SIM_MIPS_GEN=IGEN + sim_mips_igen_filter="32,f"]) + +dnl The MULTI generator can combine several simulation engines into one. +dnl executable. A configuration which uses the MULTI should set two +dnl variables: ${sim_mips_multi_configs} and ${sim_mips_multi_default}. +dnl +dnl ${sim_mips_multi_configs} is the list of engines to build. Each +dnl space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS, +dnl where: +dnl +dnl - NAME is a C-compatible prefix for the engine, +dnl - MACHINE is a -M argument, +dnl - FILTER is a -F argument, and +dnl - BFDMACHS is a comma-separated list of bfd machines that the +dnl simulator can run. +dnl +dnl Each entry will have a separate simulation engine whose prefix is +dnl m32<NAME>. If the machine list includes "mips16", there will also +dnl be a mips16 engine, prefix m16<NAME>. The mips16 engine will be +dnl generated using the same machine list as the 32-bit version, +dnl but the filter will be "16" instead of FILTER. +dnl +dnl The simulator compares the bfd mach against BFDMACHS to decide +dnl which engine to use. Entries in BFDMACHS should be bfd_mach +dnl values with "bfd_mach_" removed. ${sim_mips_multi_default} says +dnl which entry should be the default. +SIM_MIPS_MULTI_FLAGS= +SIM_MIPS_MULTI_SRC= +SIM_MIPS_MULTI_OBJ= +SIM_MIPS_MULTI_IGEN_CONFIGS= +AS_VAR_IF([SIM_MIPS_GEN], ["MULTI"], [dnl + dnl Verify the AS_CASE logic above is setup correctly. + AS_IF([test -z "${sim_mips_multi_configs}" || test -z "${sim_mips_multi_default}"], [dnl + AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly)]) + + dnl Start in a known state. + AS_MKDIR_P([mips]) + rm -f mips/multi-include.h mips/multi-run.c + sim_mips_seen_default=no + + cat << __EOF__ > mips/multi-run.c +/* Main entry point for MULTI simulators. + Copyright (C) 2003-2022 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + + -- + + This file was generated by sim/mips/configure. */ + +#include "sim-main.h" +#include "multi-include.h" +#include "elf-bfd.h" +#include "elfxx-mips.h" +#include "elf/mips.h" + +#define SD sd +#define CPU cpu + +void +sim_engine_run (SIM_DESC sd, + int next_cpu_nr, + int nr_cpus, + int signal) /* ignore */ +{ + int mach; + + if (STATE_ARCHITECTURE (sd) == NULL) + mach = bfd_mach_${sim_mips_multi_default}; + else if (elf_elfheader (STATE_PROG_BFD (sd))->e_flags + & EF_MIPS_ARCH_ASE_MICROMIPS) + mach = bfd_mach_mips_micromips; + else + { + mach = _bfd_elf_mips_mach (elf_elfheader (STATE_PROG_BFD (sd))->e_flags); + if (!mach) + mach = STATE_ARCHITECTURE (SD)->mach; + } + + switch (mach) + { +__EOF__ + + for fc in ${sim_mips_multi_configs}; do + + dnl Split up the entry. ${c} contains the first three elements. + dnl 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/.*://'` + + dnl Build the following lists: + dnl + dnl SIM_MIPS_MULTI_FLAGS: all -M and -F flags used by the simulator + dnl SIM_MIPS_MULTI_SRC: all makefile-generated source files + dnl SIM_MIPS_MULTI_OBJ: the objects for ${SIM_MIPS_MULTI_SRC} + dnl SIM_MIPS_MULTI_IGEN_CONFIGS: igen configuration strings. + dnl + dnl Each entry in ${SIM_MIPS_MULTI_IGEN_CONFIGS} is a prefix (m32 + dnl or m16) followed by the NAME, MACHINE and FILTER part of + dnl the ${sim_mips_multi_configs} entry. + AS_VAR_APPEND([SIM_MIPS_MULTI_FLAGS], [" -F ${filter} -M ${machine}"]) + + dnl Check whether special handling is needed. + AS_CASE([${c}], + [*:*mips16*:*], [dnl + dnl Run igen twice, once for normal mode and once for mips16. + ws="m32 m16" + + dnl The top-level function for the mips16 simulator is + dnl in a file m16${name}_run.c, generated by the + dnl tmp-run-multi Makefile rule. + AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" m16${name}_run.c"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" m16${name}_run.o"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_FLAGS], [" -F 16"]) + ], + [*:*micromips32*:*], [dnl + dnl Run igen thrice, once for micromips32, once for micromips16, + dnl and once for m32. + ws="micromips_m32 micromips16 micromips32" + + dnl The top-level function for the micromips simulator is + dnl in a file micromips${name}_run.c, generated by the + dnl tmp-run-multi Makefile rule. + AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" micromips${name}_run.c"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" micromips${name}_run.o"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_FLAGS], [" -F 16,32"]) + ], + [*:*micromips64*:*], [dnl + dnl Run igen thrice, once for micromips64, once for micromips16, + dnl and once for m64. + ws="micromips_m64 micromips16 micromips64" + + dnl The top-level function for the micromips simulator is + dnl in a file micromips${name}_run.c, generated by the + dnl tmp-run-multi Makefile rule. + AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" micromips${name}_run.c"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" micromips${name}_run.o"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_FLAGS], [" -F 16,32,64"]) + ], + [ws=m32]) + + dnl Now add the list of igen-generated files to ${SIM_MIPS_MULTI_SRC} + dnl and ${SIM_MIPS_MULTI_OBJ}. + for w in ${ws}; do + for base in engine icache idecode model semantics support; do + AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" ${w}${name}_${base}.c"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" ${w}${name}_${base}.h"]) + AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" ${w}${name}_${base}.o"]) + done + AS_VAR_APPEND([SIM_MIPS_MULTI_IGEN_CONFIGS], [" ${w}${c}"]) + done + + dnl Add an include for the engine.h file. This file declares the + dnl top-level foo_engine_run() function. + echo "#include \"${w}${name}_engine.h\"" >> mips/multi-include.h + + dnl Add case statements for this engine to sim_engine_run(). + for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do + echo " case bfd_mach_${mach}:" >> mips/multi-run.c + AS_VAR_IF([mach], ["${sim_mips_multi_default}"], [dnl + echo " default:" >> mips/multi-run.c + sim_mips_seen_default=yes + ]) + done + echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \ + >> mips/multi-run.c + echo " break;" >> mips/multi-run.c + done + + dnl Check whether we added a 'default:' label. + AS_VAR_IF([sim_mips_seen_default], [no], [dnl + AC_MSG_ERROR(Error in configure.ac: \${sim_mips_multi_configs} doesn't have an entry for \${sim_mips_multi_default})]) + + cat << __EOF__ >> mips/multi-run.c + } +} +__EOF__ +], [dnl + dnl For clean-extra target. + SIM_MIPS_MULTI_SRC=doesnt-exist.c +]) +SIM_MIPS_IGEN_FLAGS="-F ${sim_mips_igen_filter} ${sim_mips_igen_machine} ${sim_igen_smp}" +SIM_MIPS_M16_FLAGS="-F ${sim_mips_m16_filter} ${sim_mips_m16_machine} ${sim_igen_smp}" +SIM_MIPS_MICROMIPS16_FLAGS="-F ${sim_mips_micromips16_filter} ${sim_mips_micromips16_machine} ${sim_igen_smp}" +SIM_MIPS_MICROMIPS_FLAGS="-F ${sim_mips_micromips_filter} ${sim_mips_micromips_machine} ${sim_igen_smp}" +AC_SUBST(SIM_MIPS_IGEN_FLAGS) +AC_SUBST(SIM_MIPS_M16_FLAGS) +AC_SUBST(SIM_MIPS_MICROMIPS_FLAGS) +AC_SUBST(SIM_MIPS_MICROMIPS16_FLAGS) +AC_SUBST(SIM_MIPS_GEN) +AC_SUBST(SIM_MIPS_MULTI_FLAGS) +AC_SUBST(SIM_MIPS_MULTI_IGEN_CONFIGS) +AC_SUBST(SIM_MIPS_MULTI_SRC) +AC_SUBST(SIM_MIPS_MULTI_OBJ) |