1 dnl Copyright (C) 2005-2024 Free Software Foundation, Inc. 2 dnl 3 dnl This program is free software; you can redistribute it and/or modify 4 dnl it under the terms of the GNU General Public License as published by 5 dnl the Free Software Foundation; either version 3 of the License, or 6 dnl (at your option) any later version. 7 dnl 8 dnl This program is distributed in the hope that it will be useful, 9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 dnl GNU General Public License for more details. 12 dnl 13 dnl You should have received a copy of the GNU General Public License 14 dnl along with this program. If not, see <http://www.gnu.org/licenses/>. 15 dnl 16 dnl NB: This file is included in sim/configure, so keep settings namespaced. 17 18 dnl DEPRECATED 19 dnl 20 dnl Instead of defining a `subtarget' macro, code should be checking the value 21 dnl of {STATE,CPU}_ARCHITECTURE to identify the architecture dnl in question. 22 AC_MSG_CHECKING([mips subtarget]) 23 SIM_MIPS_SUBTARGET= 24 AS_CASE([${target}], 25 [mips64vr*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], 26 [mips*tx39*], [SIM_MIPS_SUBTARGET="-DSUBTARGET_R3900=1"], 27 [mips*-sde-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], 28 [mips*-mti-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], 29 [mipsisa32*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"], 30 [mipsisa64*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"]) 31 AC_MSG_RESULT([${SIM_MIPS_SUBTARGET:-none}]) 32 AC_SUBST(SIM_MIPS_SUBTARGET) 33 34 dnl Select the bitsize of the target. 35 AC_MSG_CHECKING([mips bitsize]) 36 SIM_MIPS_BITSIZE=64 37 AS_CASE([${target}], 38 [mips*-sde-elf*], [SIM_MIPS_BITSIZE=64], 39 [mips*-mti-elf*], [SIM_MIPS_BITSIZE=64], 40 [mips64*-*-*], [SIM_MIPS_BITSIZE=64], 41 [mips16*-*-*], [SIM_MIPS_BITSIZE=64], 42 [mipsisa32*-*-*], [SIM_MIPS_BITSIZE=32], 43 [mipsisa64*-*-*], [SIM_MIPS_BITSIZE=64], 44 [mips*-*-*], [SIM_MIPS_BITSIZE=32]) 45 AC_MSG_RESULT([$SIM_MIPS_BITSIZE]) 46 AC_SUBST(SIM_MIPS_BITSIZE) 47 48 dnl Select the floating hardware support of the target. 49 AC_MSG_CHECKING([mips fpu bitsize]) 50 SIM_MIPS_FPU_BITSIZE=64 51 AS_CASE([${target}], 52 [mips*tx39*], [SIM_MIPS_FPU_BITSIZE=32], 53 [mips*-sde-elf*], [SIM_MIPS_FPU_BITSIZE=64], 54 [mips*-mti-elf*], [SIM_MIPS_FPU_BITSIZE=64], 55 [mipsisa32*-*-*], [SIM_MIPS_FPU_BITSIZE=64], 56 [mipsisa64*-*-*], [SIM_MIPS_FPU_BITSIZE=64], 57 [mips*-*-*], [SIM_MIPS_FPU_BITSIZE=32]) 58 AC_MSG_RESULT([$SIM_MIPS_FPU_BITSIZE]) 59 AC_SUBST(SIM_MIPS_FPU_BITSIZE) 60 61 dnl Select the IGEN architecture. 62 SIM_MIPS_GEN=SINGLE 63 sim_mips_single_machine="-M mipsIV" 64 sim_mips_m16_machine="-M mips16,mipsIII" 65 sim_mips_single_filter="32,64,f" 66 sim_mips_m16_filter="16" 67 AS_CASE([${target}], 68 [mips*tx39*], [dnl 69 SIM_MIPS_GEN=SINGLE 70 sim_mips_single_filter="32,f" 71 sim_mips_single_machine="-M r3900"], 72 [mips64vr41*], [dnl 73 SIM_MIPS_GEN=M16 74 sim_mips_single_machine="-M vr4100" 75 sim_mips_m16_machine="-M vr4100"], 76 [mips64*], [dnl 77 SIM_MIPS_GEN=MULTI 78 sim_mips_multi_configs="\ 79 vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\ 80 vr4120:mipsIII,mips16,vr4120:32,64:mips4120\ 81 vr5000:mipsIV:32,64,f:mips4300,mips5000,mips8000\ 82 vr5400:mipsIV,vr5400:32,64,f:mips5400\ 83 vr5500:mipsIV,vr5500:32,64,f:mips5500" 84 sim_mips_multi_default=mips5000], 85 [mips*-sde-elf* | mips*-mti-elf*], [dnl 86 SIM_MIPS_GEN=MULTI 87 sim_mips_multi_configs="\ 88 micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\ 89 mipsisa64r2:mips64r2,mips16,mips16e,mdmx,dsp,dsp2,mips3d,smartmips:32,64,f:mipsisa32r2,mipsisa64r2,mipsisa32r5,mipsisa64r5\ 90 mipsisa64r6:mips64r6:32,64,f:mipsisa32r6,mipsisa64r6" 91 sim_mips_multi_default=mipsisa64r2], 92 [mips16*], [dnl 93 SIM_MIPS_GEN=M16], 94 [mipsisa32r2*], [dnl 95 SIM_MIPS_GEN=MULTI 96 sim_mips_multi_configs="\ 97 micromips:micromips32,micromipsdsp:32,f:mips_micromips\ 98 mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2" 99 sim_mips_multi_default=mipsisa32r2], 100 [mipsisa32r6*], [dnl 101 SIM_MIPS_GEN=SINGLE 102 sim_mips_single_machine="-M mips32r6" 103 sim_mips_single_filter="32,f"], 104 [mipsisa32*], [dnl 105 SIM_MIPS_GEN=M16 106 sim_mips_single_machine="-M mips32,mips16,mips16e,smartmips" 107 sim_mips_m16_machine="-M mips16,mips16e,mips32" 108 sim_mips_single_filter="32,f"], 109 [mipsisa64r2*], [dnl 110 SIM_MIPS_GEN=M16 111 sim_mips_single_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2" 112 sim_mips_m16_machine="-M mips16,mips16e,mips64r2"], 113 [mipsisa64r6*], [dnl 114 SIM_MIPS_GEN=SINGLE 115 sim_mips_single_machine="-M mips64r6"], 116 [mipsisa64sb1*], [dnl 117 SIM_MIPS_GEN=SINGLE 118 sim_mips_single_machine="-M mips64,mips3d,sb1"], 119 [mipsisa64*], [dnl 120 SIM_MIPS_GEN=M16 121 sim_mips_single_machine="-M mips64,mips3d,mips16,mips16e,mdmx" 122 sim_mips_m16_machine="-M mips16,mips16e,mips64"], 123 [mips*lsi*], [dnl 124 SIM_MIPS_GEN=M16 125 sim_mips_single_machine="-M mipsIII,mips16" 126 sim_mips_m16_machine="-M mips16,mipsIII" 127 sim_mips_single_filter="32,f"], 128 [mips*], [dnl 129 SIM_MIPS_GEN=SINGLE 130 sim_mips_single_filter="32,f"]) 131 132 dnl The MULTI generator can combine several simulation engines into one. 133 dnl executable. A configuration which uses the MULTI should set two 134 dnl variables: ${sim_mips_multi_configs} and ${sim_mips_multi_default}. 135 dnl 136 dnl ${sim_mips_multi_configs} is the list of engines to build. Each 137 dnl space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS, 138 dnl where: 139 dnl 140 dnl - NAME is a C-compatible prefix for the engine, 141 dnl - MACHINE is a -M argument, 142 dnl - FILTER is a -F argument, and 143 dnl - BFDMACHS is a comma-separated list of bfd machines that the 144 dnl simulator can run. 145 dnl 146 dnl Each entry will have a separate simulation engine whose prefix is 147 dnl m32<NAME>. If the machine list includes "mips16", there will also 148 dnl be a mips16 engine, prefix m16<NAME>. The mips16 engine will be 149 dnl generated using the same machine list as the 32-bit version, 150 dnl but the filter will be "16" instead of FILTER. 151 dnl 152 dnl The simulator compares the bfd mach against BFDMACHS to decide 153 dnl which engine to use. Entries in BFDMACHS should be bfd_mach 154 dnl values with "bfd_mach_" removed. ${sim_mips_multi_default} says 155 dnl which entry should be the default. 156 SIM_MIPS_IGEN_ITABLE_FLAGS= 157 SIM_MIPS_MULTI_SRC= 158 SIM_MIPS_MULTI_OBJ= 159 SIM_MIPS_MULTI_IGEN_CONFIGS= 160 AS_VAR_IF([SIM_MIPS_GEN], ["MULTI"], [dnl 161 dnl Verify the AS_CASE logic above is setup correctly. 162 AS_IF([test -z "${sim_mips_multi_configs}" || test -z "${sim_mips_multi_default}"], [dnl 163 AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly)]) 164 165 dnl Start in a known state. 166 AS_MKDIR_P([mips]) 167 rm -f mips/multi-include.h mips/multi-run.c 168 sim_mips_seen_default=no 169 170 cat << __EOF__ > mips/multi-run.c 171 /* Main entry point for MULTI simulators. 172 Copyright (C) 2003-2023 Free Software Foundation, Inc. 173 174 This program is free software; you can redistribute it and/or modify 175 it under the terms of the GNU General Public License as published by 176 the Free Software Foundation; either version 3 of the License, or 177 (at your option) any later version. 178 179 This program is distributed in the hope that it will be useful, 180 but WITHOUT ANY WARRANTY; without even the implied warranty of 181 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 182 GNU General Public License for more details. 183 184 You should have received a copy of the GNU General Public License 185 along with this program. If not, see <http://www.gnu.org/licenses/>. 186 187 -- 188 189 This file was generated by sim/mips/configure. */ 190 191 #include "sim-main.h" 192 #include "multi-include.h" 193 #include "bfd/elf-bfd.h" 194 #include "bfd/elfxx-mips.h" 195 #include "elf/mips.h" 196 197 #define SD sd 198 #define CPU cpu 199 200 void 201 sim_engine_run (SIM_DESC sd, 202 int next_cpu_nr, 203 int nr_cpus, 204 int signal) /* ignore */ 205 { 206 int mach; 207 208 if (STATE_ARCHITECTURE (sd) == NULL) 209 mach = bfd_mach_${sim_mips_multi_default}; 210 else if (elf_elfheader (STATE_PROG_BFD (sd))->e_flags 211 & EF_MIPS_ARCH_ASE_MICROMIPS) 212 mach = bfd_mach_mips_micromips; 213 else 214 { 215 mach = _bfd_elf_mips_mach (elf_elfheader (STATE_PROG_BFD (sd))->e_flags); 216 if (!mach) 217 mach = STATE_ARCHITECTURE (SD)->mach; 218 } 219 220 switch (mach) 221 { 222 __EOF__ 223 224 for fc in ${sim_mips_multi_configs}; do 225 226 dnl Split up the entry. ${c} contains the first three elements. 227 dnl Note: outer square brackets are m4 quotes. 228 c=`echo ${fc} | sed ['s/:[^:]*$//']` 229 bfdmachs=`echo ${fc} | sed 's/.*://'` 230 name=`echo ${c} | sed 's/:.*//'` 231 machine=`echo ${c} | sed 's/.*:\(.*\):.*/\1/'` 232 filter=`echo ${c} | sed 's/.*://'` 233 234 dnl Build the following lists: 235 dnl 236 dnl SIM_MIPS_IGEN_ITABLE_FLAGS: all -M and -F flags used by the simulator 237 dnl SIM_MIPS_MULTI_SRC: all makefile-generated source files 238 dnl SIM_MIPS_MULTI_OBJ: the objects for ${SIM_MIPS_MULTI_SRC} 239 dnl SIM_MIPS_MULTI_IGEN_CONFIGS: igen configuration strings. 240 dnl 241 dnl Each entry in ${SIM_MIPS_MULTI_IGEN_CONFIGS} is a prefix (m32 242 dnl or m16) followed by the NAME, MACHINE and FILTER part of 243 dnl the ${sim_mips_multi_configs} entry. 244 AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F ${filter} -M ${machine}"]) 245 246 dnl Check whether special handling is needed. 247 AS_CASE([${c}], 248 [*:*mips16*:*], [dnl 249 dnl Run igen twice, once for normal mode and once for mips16. 250 ws="m32 m16" 251 252 dnl The top-level function for the mips16 simulator is 253 dnl in a file m16${name}_run.c, generated by the 254 dnl tmp-run-multi Makefile rule. 255 AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" mips/m16${name}_run.c"]) 256 AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" mips/m16${name}_run.o"]) 257 AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F 16"]) 258 ], 259 [*:*micromips32*:*], [dnl 260 dnl Run igen thrice, once for micromips32, once for micromips16, 261 dnl and once for m32. 262 ws="micromips_m32 micromips16 micromips32" 263 264 dnl The top-level function for the micromips simulator is 265 dnl in a file micromips${name}_run.c, generated by the 266 dnl tmp-run-multi Makefile rule. 267 AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" mips/micromips${name}_run.c"]) 268 AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" mips/micromips${name}_run.o"]) 269 AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F 16,32"]) 270 ], 271 [*:*micromips64*:*], [dnl 272 dnl Run igen thrice, once for micromips64, once for micromips16, 273 dnl and once for m64. 274 ws="micromips_m64 micromips16 micromips64" 275 276 dnl The top-level function for the micromips simulator is 277 dnl in a file micromips${name}_run.c, generated by the 278 dnl tmp-run-multi Makefile rule. 279 AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" mips/micromips${name}_run.c"]) 280 AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" mips/micromips${name}_run.o"]) 281 AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F 16,32,64"]) 282 ], 283 [ws=m32]) 284 285 dnl Now add the list of igen-generated files to ${SIM_MIPS_MULTI_SRC} 286 dnl and ${SIM_MIPS_MULTI_OBJ}. 287 for w in ${ws}; do 288 for base in engine icache idecode model semantics support; do 289 AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" mips/${w}${name}_${base}.c"]) 290 AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" mips/${w}${name}_${base}.h"]) 291 AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" mips/${w}${name}_${base}.o"]) 292 done 293 AS_VAR_APPEND([SIM_MIPS_MULTI_IGEN_CONFIGS], [" ${w}${c}"]) 294 done 295 296 dnl Add an include for the engine.h file. This file declares the 297 dnl top-level foo_engine_run() function. 298 echo "#include \"${w}${name}_engine.h\"" >> mips/multi-include.h 299 300 dnl Add case statements for this engine to sim_engine_run(). 301 for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do 302 echo " case bfd_mach_${mach}:" >> mips/multi-run.c 303 AS_VAR_IF([mach], ["${sim_mips_multi_default}"], [dnl 304 echo " default:" >> mips/multi-run.c 305 sim_mips_seen_default=yes 306 ]) 307 done 308 echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \ 309 >> mips/multi-run.c 310 echo " break;" >> mips/multi-run.c 311 done 312 313 dnl Check whether we added a 'default:' label. 314 AS_VAR_IF([sim_mips_seen_default], [no], [dnl 315 AC_MSG_ERROR(Error in configure.ac: \${sim_mips_multi_configs} doesn't have an entry for \${sim_mips_multi_default})]) 316 317 cat << __EOF__ >> mips/multi-run.c 318 } 319 } 320 __EOF__ 321 ], [dnl 322 SIM_MIPS_IGEN_ITABLE_FLAGS='$(SIM_MIPS_SINGLE_FLAGS)' 323 AS_VAR_IF([SIM_MIPS_GEN], ["M16"], [AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [' $(SIM_MIPS_M16_FLAGS)'])]) 324 ]) 325 SIM_MIPS_SINGLE_FLAGS="-F ${sim_mips_single_filter} ${sim_mips_single_machine}" 326 SIM_MIPS_M16_FLAGS="-F ${sim_mips_m16_filter} ${sim_mips_m16_machine}" 327 AC_SUBST(SIM_MIPS_SINGLE_FLAGS) 328 AC_SUBST(SIM_MIPS_M16_FLAGS) 329 AC_SUBST(SIM_MIPS_GEN) 330 AC_SUBST(SIM_MIPS_IGEN_ITABLE_FLAGS) 331 AC_SUBST(SIM_MIPS_MULTI_IGEN_CONFIGS) 332 AC_SUBST(SIM_MIPS_MULTI_SRC) 333 AC_SUBST(SIM_MIPS_MULTI_OBJ) 334 AM_CONDITIONAL([SIM_MIPS_GEN_MODE_SINGLE], [test "$SIM_MIPS_GEN" = "SINGLE"]) 335 AM_CONDITIONAL([SIM_MIPS_GEN_MODE_M16], [test "$SIM_MIPS_GEN" = "M16"]) 336 AM_CONDITIONAL([SIM_MIPS_GEN_MODE_MULTI], [test "$SIM_MIPS_GEN" = "MULTI"]) 337
Indexes created Tue Mar 03 05:31:39 UTC 2026