sim/mips/ChangeLog

   1 Tue Oct 14 15:11:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * interp.c (sim_monitor): Add SD argument.
   4         (sim_warning): Delete.  Replace calls with calls to
   5         sim_io_eprintf.
   6         (sim_error): Delete. Replace calls with sim_io_error.
   7         (open_trace, writeout32, writeout16, getnum): Add SD argument.
   8         (mips_set_profile): Rename from sim_set_profile. Add SD argument.
   9         (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
  10         argument.
  11         (mips_size): Rename from sim_size. Add SD argument.
  12
  13         * interp.c (simulator): Delete global variable.
  14         (callback): Delete global variable.
  15         (mips_option_handler, sim_open, sim_write, sim_read,
  16         sim_store_register, sim_fetch_register, sim_info, sim_do_command,
  17         sim_size,sim_monitor): Use sim_io_* not callback->*.
  18         (sim_open): ZALLOC simulator struct.
  19         (PROFILE): Do not define.
  20
  21 Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  22
  23         * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
  24         support.h with corresponding code.
  25
  26         * sim-main.h (word64, uword64), support.h: Move definition to
  27         sim-main.h.
  28         (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
  29
  30         * support.h: Delete
  31         * Makefile.in: Update dependencies
  32         * interp.c: Do not include.
  33
  34 Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  35
  36         * interp.c (address_translation, load_memory, store_memory,
  37         cache_op): Rename to from AddressTranslation et.al., make global,
  38         add SD argument
  39
  40         * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
  41         CacheOp): Define.
  42
  43         * interp.c (SignalException): Rename to signal_exception, make
  44         global.
  45
  46         * interp.c (Interrupt, ...): Move definitions to sim-main.h.
  47
  48         * sim-main.h (SignalException, SignalExceptionInterrupt,
  49         SignalExceptionInstructionFetch, SignalExceptionAddressStore,
  50         SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
  51         SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
  52         Define.
  53
  54         * interp.c, support.h: Use.
  55
  56 Tue Oct 14 13:19:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  57
  58         * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
  59         to value_fpr / store_fpr. Add SD argument.
  60         (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
  61         Multiply, Divide, Recip, SquareRoot, Convert): Make global.
  62
  63         * sim-main.h (ValueFPR, StoreFPR): Define.
  64
  65 Tue Oct 14 13:06:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  66
  67         * interp.c (sim_engine_run): Check consistency between configure
  68         WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
  69         and HASFPU.
  70
  71         * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
  72         (mips_fpu): Configure WITH_FLOATING_POINT.
  73         (mips_endian): Configure WITH_TARGET_ENDIAN.
  74         * configure: Update.
  75
  76 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  77
  78         * configure: Regenerated to track ../common/aclocal.m4 changes.
  79
  80 start-sanitize-r5900
  81 Mon Aug 25 19:11:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  82
  83         * interp.c (MAX_REG): Allow up-to 128 registers.
  84         (LO1, HI1): Define value that matches REGISTER_NAMES in gdb.
  85         (REGISTER_SA): Ditto.
  86         (sim_open): Initialize register_widths for r5900 specific
  87         registers.
  88         (sim_fetch_register, sim_store_register): Check for request of
  89         r5900 specific SA register.  Check for request for hi 64 bits of
  90         r5900 specific registers.
  91
  92 end-sanitize-r5900
  93 Mon Sep 29 14:45:00 1997  Bob Manson  <manson@charmed.cygnus.com>
  94
  95         * configure: Regenerated.
  96
  97 Fri Sep 26 12:48:18 1997  Mark Alexander  <marka@cygnus.com>
  98
  99         * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
 100
 101 Thu Sep 25 11:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 102
 103         * gencode.c (print_igen_insn_models): Assume certain architectures
 104         include all mips* instructions.
 105         (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
 106         instruction.
 107
 108         * Makefile.in (tmp.igen): Add target. Generate igen input from
 109         gencode file.
 110
 111         * gencode.c (FEATURE_IGEN): Define.
 112         (main): Add --igen option.  Generate output in igen format.
 113         (process_instructions): Format output according to igen option.
 114         (print_igen_insn_format): New function.
 115         (print_igen_insn_models): New function.
 116         (process_instructions): Only issue warnings and ignore
 117         instructions when no FEATURE_IGEN.
 118
 119 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 120
 121         * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
 122         MIPS targets.
 123
 124 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 125
 126         * configure: Regenerated to track ../common/aclocal.m4 changes.
 127
 128 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 129
 130         * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
 131         SIM_RESERVED_BITS): Delete, moved to common.
 132         (SIM_EXTRA_CFLAGS): Update.
 133
 134 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 135
 136         * configure.in: Configure non-strict memory alignment.
 137         * configure: Regenerated to track ../common/aclocal.m4 changes.
 138
 139 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * configure: Regenerated to track ../common/aclocal.m4 changes.
 142
 143 Sat Sep 20 14:07:28 1997  Gavin Koch  <gavin@cygnus.com>
 144
 145         * gencode.c (SDBBP,DERET): Added (3900) insns.
 146         (RFE): Turn on for 3900.
 147         * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
 148         (dsstate): Made global.
 149         (SUBTARGET_R3900): Added.
 150         (CANCELDELAYSLOT): New.
 151         (SignalException): Ignore SystemCall rather than ignore and
 152         terminate.  Add DebugBreakPoint handling.
 153         (decode_coproc): New insns RFE, DERET; and new registers Debug
 154         and DEPC protected by SUBTARGET_R3900.
 155         (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
 156         bits explicitly.
 157         * Makefile.in,configure.in: Add mips subtarget option.
 158         * configure: Update.
 159
 160 Fri Sep 19 09:33:27 1997  Gavin Koch  <gavin@cygnus.com>
 161
 162         * gencode.c: Add r3900 (tx39).
 163
 164 start-sanitize-tx19
 165         * gencode.c: Fix some configuration problems by improving
 166         the relationship between tx19 and tx39.
 167 end-sanitize-tx19
 168
 169 Tue Sep 16 15:52:04 1997  Gavin Koch  <gavin@cygnus.com>
 170
 171         * gencode.c (build_instruction): Don't need to subtract 4 for
 172         JALR, just 2.
 173
 174 Tue Sep 16 11:32:28 1997  Gavin Koch  <gavin@cygnus.com>
 175
 176         * interp.c: Correct some HASFPU problems.
 177
 178 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 179
 180         * configure: Regenerated to track ../common/aclocal.m4 changes.
 181
 182 Fri Sep 12 12:01:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 183
 184         * interp.c (mips_options): Fix samples option short form, should
 185         be `x'.
 186
 187 Thu Sep 11 09:35:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 188
 189         * interp.c (sim_info): Enable info code.  Was just returning.
 190
 191 Tue Sep  9 17:30:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 192
 193         * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
 194         MFC0.
 195
 196 Tue Sep  9 16:28:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 197
 198         * gencode.c (build_instruction): Use SIGNED64 for 64 bit
 199         constants.
 200         (build_instruction): Ditto for LL.
 201
 202 start-sanitize-tx19
 203 Sun Sep  7 16:05:46 1997  Gavin Koch  <gavin@cygnus.com>
 204
 205         * mips/configure.in, mips/gencode: Add tx19/r1900.
 206
 207 end-sanitize-tx19
 208 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 209
 210         * configure: Regenerated to track ../common/aclocal.m4 changes.
 211
 212 start-sanitize-r5900
 213 Mon Sep  1 18:43:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 214
 215         * gencode.c (build_instruction): For "pabsw" and "pabsh", check
 216         for overflow due to ABS of MININT, set result to MAXINT.
 217         (build_instruction): For "psrlvw", signextend bit 31.
 218
 219 end-sanitize-r5900
 220 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * configure: Regenerated to track ../common/aclocal.m4 changes.
 223         * config.in: Ditto.
 224
 225 Wed Aug 27 14:12:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 226
 227         * interp.c (sim_open): Add call to sim_analyze_program, update
 228         call to sim_config.
 229
 230 Tue Aug 26 10:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 231
 232         * interp.c (sim_kill): Delete.
 233         (sim_create_inferior): Add ABFD argument. Set PC from same.
 234         (sim_load): Move code initializing trap handlers from here.
 235         (sim_open): To here.
 236         (sim_load): Delete, use sim-hload.c.
 237
 238         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 239
 240 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 241
 242         * configure: Regenerated to track ../common/aclocal.m4 changes.
 243         * config.in: Ditto.
 244
 245 Mon Aug 25 15:59:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 246
 247         * interp.c (sim_open): Add ABFD argument.
 248         (sim_load): Move call to sim_config from here.
 249         (sim_open): To here.  Check return status.
 250
 251 start-sanitize-r5900
 252         * gencode.c (build_instruction): Do not define x8000000000000000,
 253         x7FFFFFFFFFFFFFFF, or xFFFFFFFF80000000.
 254
 255 end-sanitize-r5900
 256 start-sanitize-r5900
 257 Mon Jul 28 19:49:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 258
 259         * gencode.c (build_instruction): For "pdivw", "pdivbw" and
 260         "pdivuw" check for overflow due to signed divide by -1.
 261
 262 end-sanitize-r5900
 263 Fri Jul 25 15:00:45 1997  Gavin Koch  <gavin@cygnus.com>
 264
 265         * gencode.c (build_instruction): Two arg MADD should
 266         not assign result to $0.
 267
 268 start-sanitize-r5900
 269 Thu Jul 10 11:58:48 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 270
 271         * gencode.c (build_instruction): For "ppac5" use unsigned
 272         arrithmetic so that the sign bit doesn't smear when right shifted.
 273         (build_instruction): For "pdiv" perform sign extension when
 274         storing results in HI and LO.
 275         (build_instructions): For "pdiv" and "pdivbw" check for
 276         divide-by-zero.
 277         (build_instruction): For "pmfhl.slw" update hi part of dest
 278         register as well as low part.
 279         (build_instruction): For "pmfhl" portably handle long long values.
 280         (build_instruction): For "pmfhl.sh" correctly negative values.
 281         Store half words 2 and three in the correct place.
 282         (build_instruction): For "psllvw", sign extend value after shift.
 283
 284 end-sanitize-r5900
 285 Thu Jun 26 12:13:17 1997  Angela Marie Thomas (angela@cygnus.com)
 286
 287         * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
 288         * sim/mips/configure.in: Regenerate.
 289
 290 Wed Jul  9 10:29:21 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 291
 292         * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
 293         signed8, unsigned8 et.al. types.
 294
 295 start-sanitize-r5900
 296         * gencode.c (build_instruction): For PMULTU* do not sign extend
 297         registers.  Make generated code easier to debug.
 298
 299 end-sanitize-r5900
 300         * interp.c (SUB_REG_FETCH): Handle both little and big endian
 301         hosts when selecting subreg.
 302
 303 start-sanitize-r5900
 304 Tue Jul  8 18:07:20 1997  Andrew Cagney  <cagney@andros.cygnus.com>
 305
 306         * gencode.c (type_for_data_len): For 32bit operations concerned
 307         with overflow, perform op using 64bits.
 308         (build_instruction): For PADD, always compute operation using type
 309         returned by type_for_data_len.
 310         (build_instruction): For PSUBU, when overflow, saturate to zero as
 311         actually underflow.
 312
 313 end-sanitize-r5900
 314 Wed Jul  2 11:54:10 1997  Jeffrey A Law  (law@cygnus.com)
 315
 316 start-sanitize-r5900
 317         * gencode.c (build_instruction): Handle "pext5" according to
 318         version 1.95 of the r5900 ISA.
 319
 320         * gencode.c (build_instruction): Handle "ppac5" according to
 321         version 1.95 of the r5900 ISA.
 322
 323 end-sanitize-r5900
 324         * interp.c (sim_engine_run): Reset the ZERO register to zero
 325         regardless of FEATURE_WARN_ZERO.
 326         * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
 327
 328 Wed Jun  4 10:43:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 329
 330         * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
 331         (SignalException): For BreakPoints ignore any mode bits and just
 332         save the PC.
 333         (SignalException): Always set the CAUSE register.
 334
 335 Tue Jun  3 05:00:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 336
 337         * interp.c (SignalException): Clear the simDELAYSLOT flag when an
 338         exception has been taken.
 339
 340         * interp.c: Implement the ERET and mt/f sr instructions.
 341
 342 start-sanitize-r5900
 343 Mon Jun  2 23:28:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 344
 345         * gencode.c (build_instruction): For paddu, extract unsigned
 346         sub-fields.
 347
 348         * gencode.c (build_instruction): Saturate padds instead of padd
 349         instructions.
 350
 351 end-sanitize-r5900
 352 Sat May 31 00:44:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 353
 354         * interp.c (SignalException): Don't bother restarting an
 355         interrupt.
 356
 357 Fri May 30 23:41:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 358
 359         * interp.c (SignalException): Really take an interrupt.
 360         (interrupt_event): Only deliver interrupts when enabled.
 361
 362 Tue May 27 20:08:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 363
 364         * interp.c (sim_info): Only print info when verbose.
 365         (sim_info) Use sim_io_printf for output.
 366
 367 Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 368
 369         * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
 370         mips architectures.
 371
 372 Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 373
 374         * interp.c (sim_do_command): Check for common commands if a
 375         simulator specific command fails.
 376
 377 Thu May 22 09:32:03 1997  Gavin Koch  <gavin@cygnus.com>
 378
 379         * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
 380         and simBE when DEBUG is defined.
 381
 382 Wed May 21 09:08:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 383
 384         * interp.c (interrupt_event): New function.  Pass exception event
 385         onto exception handler.
 386
 387         * configure.in: Check for stdlib.h.
 388         * configure: Regenerate.
 389
 390         * gencode.c (build_instruction): Add UNUSED attribute to tempS
 391         variable declaration.
 392         (build_instruction): Initialize memval1.
 393         (build_instruction): Add UNUSED attribute to byte, bigend,
 394         reverse.
 395         (build_operands): Ditto.
 396
 397         * interp.c: Fix GCC warnings.
 398         (sim_get_quit_code): Delete.
 399
 400         * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
 401         * Makefile.in: Ditto.
 402         * configure: Re-generate.
 403
 404         * Makefile.in (SIM_OBJS): Add sim-watch.o module.
 405
 406 Tue May 20 15:08:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 407
 408         * interp.c (mips_option_handler): New function parse argumes using
 409         sim-options.
 410         (myname): Replace with STATE_MY_NAME.
 411         (sim_open): Delete check for host endianness - performed by
 412         sim_config.
 413         (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
 414         (sim_open): Move much of the initialization from here.
 415         (sim_load): To here.  After the image has been loaded and
 416         endianness set.
 417         (sim_open): Move ColdReset from here.
 418         (sim_create_inferior): To here.
 419         (sim_open): Make FP check less dependant on host endianness.
 420
 421         * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
 422         run.
 423         * interp.c (sim_set_callbacks): Delete.
 424
 425         * interp.c (membank, membank_base, membank_size): Replace with
 426         STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
 427         (sim_open): Remove call to callback->init. gdb/run do this.
 428
 429         * interp.c: Update
 430
 431         * sim-main.h (SIM_HAVE_FLATMEM): Define.
 432
 433         * interp.c (big_endian_p): Delete, replaced by
 434         current_target_byte_order.
 435
 436 Tue May 20 13:55:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 437
 438         * interp.c (host_read_long, host_read_word, host_swap_word,
 439         host_swap_long): Delete. Using common sim-endian.
 440         (sim_fetch_register, sim_store_register): Use H2T.
 441         (pipeline_ticks): Delete.  Handled by sim-events.
 442         (sim_info): Update.
 443         (sim_engine_run): Update.
 444
 445 Tue May 20 13:42:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 446
 447         * interp.c (sim_stop_reason): Move code determining simEXCEPTION
 448         reason from here.
 449         (SignalException): To here. Signal using sim_engine_halt.
 450         (sim_stop_reason): Delete, moved to common.
 451
 452 Tue May 20 10:19:48 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 453
 454         * interp.c (sim_open): Add callback argument.
 455         (sim_set_callbacks): Delete SIM_DESC argument.
 456         (sim_size): Ditto.
 457
 458 Mon May 19 18:20:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 459
 460         * Makefile.in (SIM_OBJS): Add common modules.
 461
 462         * interp.c (sim_set_callbacks): Also set SD callback.
 463         (set_endianness, xfer_*, swap_*): Delete.
 464         (host_read_word, host_read_long, host_swap_word, host_swap_long):
 465         Change to functions using sim-endian macros.
 466         (control_c, sim_stop): Delete, use common version.
 467         (simulate): Convert into.
 468         (sim_engine_run): This function.
 469         (sim_resume): Delete.
 470
 471         * interp.c (simulation): New variable - the simulator object.
 472         (sim_kind): Delete global - merged into simulation.
 473         (sim_load): Cleanup.  Move PC assignment from here.
 474         (sim_create_inferior): To here.
 475
 476         * sim-main.h: New file.
 477         * interp.c (sim-main.h): Include.
 478
 479 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 480
 481         * configure: Regenerated to track ../common/aclocal.m4 changes.
 482
 483 Wed Apr 23 17:32:19 1997  Doug Evans  <dje@canuck.cygnus.com>
 484
 485         * tconfig.in (SIM_HAVE_BIENDIAN): Define.
 486
 487 Mon Apr 21 17:16:13 1997  Gavin Koch  <gavin@cygnus.com>
 488
 489         * gencode.c (build_instruction): DIV instructions: check
 490         for division by zero and integer overflow before using
 491         host's division operation.
 492
 493 Thu Apr 17 03:18:14 1997  Doug Evans  <dje@canuck.cygnus.com>
 494
 495         * Makefile.in (SIM_OBJS): Add sim-load.o.
 496         * interp.c: #include bfd.h.
 497         (target_byte_order): Delete.
 498         (sim_kind, myname, big_endian_p): New static locals.
 499         (sim_open): Set sim_kind, myname.  Move call to set_endianness to
 500         after argument parsing.  Recognize -E arg, set endianness accordingly.
 501         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 502         load file into simulator.  Set PC from bfd.
 503         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 504         (set_endianness): Use big_endian_p instead of target_byte_order.
 505
 506 Wed Apr 16 17:55:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 507
 508         * interp.c (sim_size): Delete prototype - conflicts with
 509         definition in remote-sim.h.  Correct definition.
 510
 511 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 512
 513         * configure: Regenerated to track ../common/aclocal.m4 changes.
 514         * config.in: Ditto.
 515
 516 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 517
 518         * interp.c (sim_open): New arg `kind'.
 519
 520         * configure: Regenerated to track ../common/aclocal.m4 changes.
 521
 522 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 523
 524         * configure: Regenerated to track ../common/aclocal.m4 changes.
 525
 526 Tue Mar 25 11:38:22 1997  Doug Evans  <dje@canuck.cygnus.com>
 527
 528         * interp.c (sim_open): Set optind to 0 before calling getopt.
 529
 530 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 531
 532         * configure: Regenerated to track ../common/aclocal.m4 changes.
 533
 534 Mon Mar 17 10:52:59 1997  Gavin Koch  <gavin@cetus.cygnus.com>
 535
 536         * interp.c : Replace uses of pr_addr with pr_uword64
 537         where the bit length is always 64 independent of SIM_ADDR.
 538         (pr_uword64) : added.
 539
 540 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 541
 542         * configure: Re-generate.
 543
 544 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 545
 546         * configure: Regenerate to track ../common/aclocal.m4 changes.
 547
 548 Thu Mar 13 12:51:36 1997  Doug Evans  <dje@canuck.cygnus.com>
 549
 550         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 551         in argv form.
 552         (other sim_*): New SIM_DESC argument.
 553
 554 start-sanitize-r5900
 555 Wed Feb 26 18:32:21 1997  Gavin Koch  <gavin@cygnus.com>
 556
 557         * gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
 558         Change values to avoid overloading DOUBLEWORD which is tested
 559         for all insns.
 560         * gencode.c: reinstate "offending code".
 561
 562 end-sanitize-r5900
 563 Mon Feb 24 22:47:14 1997  Dawn Perchik  <dawn@cygnus.com>
 564
 565         * interp.c: Fix printing of addresses for non-64-bit targets.
 566         (pr_addr): Add function to print address based on size.
 567 start-sanitize-r5900
 568         * gencode.c: #ifdef out offending code until a permanent fix
 569         can be added.  Code is causing build errors for non-5900 mips targets.
 570 end-sanitize-r5900
 571
 572 start-sanitize-r5900
 573 Thu Feb 20 10:40:24 1997  Gavin Koch  <gavin@cetus.cygnus.com>
 574
 575         * gencode.c (process_instructions): Correct test for ISA dependent
 576         architecture bits in isa field of MIPS_DECODE.
 577
 578 end-sanitize-r5900
 579 Wed Feb 19 14:42:09 1997  Mark Alexander  <marka@cygnus.com>
 580
 581         * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
 582
 583 start-sanitize-r5900
 584 Tue Feb 18 17:03:47 1997  Gavin Koch  <gavin@cygnus.com>
 585
 586         * gencode.c (MIPS_DECODE): Correct instruction feature flags for
 587         PMADDUW.
 588
 589 end-sanitize-r5900
 590 Thu Feb 13 14:08:30 1997  Ian Lance Taylor  <ian@cygnus.com>
 591
 592         * gencode.c (build_mips16_operands): Correct computation of base
 593         address for extended PC relative instruction.
 594
 595 start-sanitize-r5900
 596 Fri Feb  7 11:12:44 1997  Gavin Koch  <gavin@cygnus.com>
 597
 598         * Makefile.in, configure, configure.in, gencode.c,
 599         interp.c, support.h: add r5900.
 600
 601 end-sanitize-r5900
 602 Thu Feb  6 17:16:15 1997  Ian Lance Taylor  <ian@cygnus.com>
 603
 604         * interp.c (mips16_entry): Add support for floating point cases.
 605         (SignalException): Pass floating point cases to mips16_entry.
 606         (ValueFPR): Don't restrict fmt_single and fmt_word to even
 607         registers.
 608         (StoreFPR): Likewise.  Also, don't clobber fpr + 1 for fmt_single
 609         or fmt_word.
 610         (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
 611         and then set the state to fmt_uninterpreted.
 612         (COP_SW): Temporarily set the state to fmt_word while calling
 613         ValueFPR.
 614
 615 Tue Feb  4 16:48:25 1997  Ian Lance Taylor  <ian@cygnus.com>
 616
 617         * gencode.c (build_instruction): The high order may be set in the
 618         comparison flags at any ISA level, not just ISA 4.
 619
 620 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 621
 622         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 623         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 624         * configure.in: sinclude ../common/aclocal.m4.
 625         * configure: Regenerated.
 626
 627 Fri Jan 31 11:11:45 1997  Ian Lance Taylor  <ian@cygnus.com>
 628
 629         * configure: Rebuild after change to aclocal.m4.
 630
 631 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 632
 633         * configure configure.in Makefile.in:  Update to new configure
 634         scheme which is more compatible with WinGDB builds.
 635         * configure.in:  Improve comment on how to run autoconf.
 636         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 637         * Makefile.in:  Use autoconf substitution to install common
 638         makefile fragment.
 639
 640 Wed Jan  8 12:39:03 1997  Jim Wilson  <wilson@cygnus.com>
 641
 642         * gencode.c (build_instruction): Use BigEndianCPU instead of
 643         ByteSwapMem.
 644
 645 Thu Jan 02 22:23:04 1997  Mark Alexander  <marka@cygnus.com>
 646
 647         * interp.c (sim_monitor): Make output to stdout visible in
 648         wingdb's I/O log window.
 649
 650 Tue Dec 31 07:04:00 1996  Mark Alexander  <marka@cygnus.com>
 651
 652         * support.h: Undo previous change to SIGTRAP
 653         and SIGQUIT values.
 654
 655 Mon Dec 30 17:36:06 1996  Ian Lance Taylor  <ian@cygnus.com>
 656
 657         * interp.c (store_word, load_word): New static functions.
 658         (mips16_entry): New static function.
 659         (SignalException): Look for mips16 entry and exit instructions.
 660         (simulate): Use the correct index when setting fpr_state after
 661         doing a pending move.
 662
 663 Sun Dec 29 09:37:18 1996  Mark Alexander  <marka@cygnus.com>
 664
 665         * interp.c: Fix byte-swapping code throughout to work on
 666         both little- and big-endian hosts.
 667
 668 Sun Dec 29 09:18:32 1996  Mark Alexander  <marka@cygnus.com>
 669
 670         * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
 671         with gdb/config/i386/xm-windows.h.
 672
 673 Fri Dec 27 22:48:51 1996  Mark Alexander  <marka@cygnus.com>
 674
 675         * gencode.c (build_instruction): Work around MSVC++ code gen bug
 676         that messes up arithmetic shifts.
 677
 678 Fri Dec 20 11:04:05 1996  Stu Grossman  (grossman@critters.cygnus.com)
 679
 680         * support.h:  Use _WIN32 instead of __WIN32__.  Also add defs for
 681         SIGTRAP and SIGQUIT for _WIN32.
 682
 683 Thu Dec 19 14:07:27 1996  Ian Lance Taylor  <ian@cygnus.com>
 684
 685         * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
 686         force a 64 bit multiplication.
 687         (build_instruction) [OR]: In mips16 mode, don't do anything if the
 688         destination register is 0, since that is the default mips16 nop
 689         instruction.
 690
 691 Mon Dec 16 14:59:38 1996  Ian Lance Taylor  <ian@cygnus.com>
 692
 693         * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
 694         (build_endian_shift): Don't check proc64.
 695         (build_instruction): Always set memval to uword64.  Cast op2 to
 696         uword64 when shifting it left in memory instructions.  Always use
 697         the same code for stores--don't special case proc64.
 698
 699         * gencode.c (build_mips16_operands): Fix base PC value for PC
 700         relative operands.
 701         (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
 702         jal instruction.
 703         * interp.c (simJALDELAYSLOT): Define.
 704         (JALDELAYSLOT): Define.
 705         (INDELAYSLOT, INJALDELAYSLOT): Define.
 706         (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
 707
 708 Tue Dec 24 22:11:20 1996  Angela Marie Thomas (angela@cygnus.com)
 709
 710         * interp.c (sim_open): add flush_cache as a PMON routine
 711         (sim_monitor): handle flush_cache by ignoring it
 712
 713 Wed Dec 11 13:53:51 1996  Jim Wilson  <wilson@cygnus.com>
 714
 715         * gencode.c (build_instruction): Use !ByteSwapMem instead of
 716         BigEndianMem.
 717         * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
 718         (BigEndianMem): Rename to ByteSwapMem and change sense.
 719         (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
 720         BigEndianMem references to !ByteSwapMem.
 721         (set_endianness): New function, with prototype.
 722         (sim_open): Call set_endianness.
 723         (sim_info): Use simBE instead of BigEndianMem.
 724         (xfer_direct_word, xfer_direct_long, swap_direct_word,
 725         swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
 726         xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
 727         ifdefs, keeping the prototype declaration.
 728         (swap_word): Rewrite correctly.
 729         (ColdReset): Delete references to CONFIG.  Delete endianness related
 730         code; moved to set_endianness.
 731
 732 Tue Dec 10 11:32:04 1996  Jim Wilson  <wilson@cygnus.com>
 733
 734         * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
 735         * interp.c (CHECKHILO): Define away.
 736         (simSIGINT): New macro.
 737         (membank_size): Increase from 1MB to 2MB.
 738         (control_c): New function.
 739         (sim_resume): Rename parameter signal to signal_number.  Add local
 740         variable prev.  Call signal before and after simulate.
 741         (sim_stop_reason): Add simSIGINT support.
 742         (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
 743         functions always.
 744         (sim_warning): Delete call to SignalException.  Do call printf_filtered
 745         if logfh is NULL.
 746         (AddressTranslation): Add #ifdef DEBUG around debugging message and
 747         a call to sim_warning.
 748
 749 Wed Nov 27 11:53:50 1996  Ian Lance Taylor  <ian@cygnus.com>
 750
 751         * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
 752         16 bit instructions.
 753
 754 Tue Nov 26 11:53:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 755
 756         Add support for mips16 (16 bit MIPS implementation):
 757         * gencode.c (inst_type): Add mips16 instruction encoding types.
 758         (GETDATASIZEINSN): Define.
 759         (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv.  Add
 760         jalx.  Add LEFT flag to mfhi and mflo.  Add RIGHT flag to mthi and
 761         mtlo.
 762         (MIPS16_DECODE): New table, for mips16 instructions.
 763         (bitmap_val): New static function.
 764         (struct mips16_op): Define.
 765         (mips16_op_table): New table, for mips16 operands.
 766         (build_mips16_operands): New static function.
 767         (process_instructions): If PC is odd, decode a mips16
 768         instruction.  Break out instruction handling into new
 769         build_instruction function.
 770         (build_instruction): New static function, broken out of
 771         process_instructions.  Check modifiers rather than flags for SHIFT
 772         bit count and m[ft]{hi,lo} direction.
 773         (usage): Pass program name to fprintf.
 774         (main): Remove unused variable this_option_optind.  Change
 775         ``*loptarg++'' to ``loptarg++''.
 776         (my_strtoul): Parenthesize && within ||.
 777         * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
 778         (simulate): If PC is odd, fetch a 16 bit instruction, and
 779         increment PC by 2 rather than 4.
 780         * configure.in: Add case for mips16*-*-*.
 781         * configure: Rebuild.
 782
 783 Fri Nov 22 08:49:36 1996  Mark Alexander  <marka@cygnus.com>
 784
 785         * interp.c: Allow -t to enable tracing in standalone simulator.
 786         Fix garbage output in trace file and error messages.
 787
 788 Wed Nov 20 01:54:37 1996  Doug Evans  <dje@canuck.cygnus.com>
 789
 790         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 791         (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
 792         * configure.in: Simplify using macros in ../common/aclocal.m4.
 793         * configure: Regenerated.
 794         * tconfig.in: New file.
 795
 796 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
 797
 798         * interp.c: Fix bugs in 64-bit port.
 799         Use ansi function declarations for msvc compiler.
 800         Initialize and test file pointer in trace code.
 801         Prevent duplicate definition of LAST_EMED_REGNUM.
 802
 803 Tue Oct 15 11:07:06 1996  Mark Alexander  <marka@cygnus.com>
 804
 805         * interp.c (xfer_big_long): Prevent unwanted sign extension.
 806
 807 Thu Sep 26 17:35:00 1996  James G. Smith  <jsmith@cygnus.co.uk>
 808
 809         * interp.c (SignalException): Check for explicit terminating
 810         breakpoint value.
 811         * gencode.c: Pass instruction value through SignalException()
 812         calls for Trap, Breakpoint and Syscall.
 813
 814 Thu Sep 26 11:35:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
 815
 816         * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
 817         only used on those hosts that provide it.
 818         * configure.in: Add sqrt() to list of functions to be checked for.
 819         * config.in: Re-generated.
 820         * configure: Re-generated.
 821
 822 Fri Sep 20 15:47:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 823
 824         * gencode.c (process_instructions): Call build_endian_shift when
 825         expanding STORE RIGHT, to fix swr.
 826         * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
 827         clear the high bits.
 828         * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
 829         Fix float to int conversions to produce signed values.
 830
 831 Thu Sep 19 15:34:17 1996  Ian Lance Taylor  <ian@cygnus.com>
 832
 833         * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
 834         (process_instructions): Correct handling of nor instruction.
 835         Correct shift count for 32 bit shift instructions. Correct sign
 836         extension for arithmetic shifts to not shift the number of bits in
 837         the type.  Fix 64 bit multiply high word calculation.  Fix 32 bit
 838         unsigned multiply.  Fix ldxc1 and friends to use coprocessor 1.
 839         Fix madd.
 840         * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
 841         It's OK to have a mult follow a mult.  What's not OK is to have a
 842         mult follow an mfhi.
 843         (Convert): Comment out incorrect rounding code.
 844
 845 Mon Sep 16 11:38:16 1996  James G. Smith  <jsmith@cygnus.co.uk>
 846
 847         * interp.c (sim_monitor): Improved monitor printf
 848         simulation. Tidied up simulator warnings, and added "--log" option
 849         for directing warning message output.
 850         * gencode.c: Use sim_warning() rather than WARNING macro.
 851
 852 Thu Aug 22 15:03:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 853
 854         * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
 855         getopt1.o, rather than on gencode.c.  Link objects together.
 856         Don't link against -liberty.
 857         (gencode.o, getopt.o, getopt1.o): New targets.
 858         * gencode.c: Include <ctype.h> and "ansidecl.h".
 859         (AND): Undefine after including "ansidecl.h".
 860         (ULONG_MAX): Define if not defined.
 861         (OP_*): Don't define macros; now defined in opcode/mips.h.
 862         (main): Call my_strtoul rather than strtoul.
 863         (my_strtoul): New static function.
 864
 865 Wed Jul 17 18:12:38 1996  Stu Grossman  (grossman@critters.cygnus.com)
 866
 867         * gencode.c (process_instructions):  Generate word64 and uword64
 868         instead of `long long' and `unsigned long long' data types.
 869         * interp.c:  #include sysdep.h to get signals, and define default
 870         for SIGBUS.
 871         * (Convert):  Work around for Visual-C++ compiler bug with type
 872         conversion.
 873         * support.h:  Make things compile under Visual-C++ by using
 874         __int64 instead of `long long'.  Change many refs to long long
 875         into word64/uword64 typedefs.
 876
 877 Wed Jun 26 12:24:55 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
 878
 879         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
 880         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
 881         (docdir): Removed.
 882         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
 883         (AC_PROG_INSTALL): Added.
 884         (AC_PROG_CC): Moved to before configure.host call.
 885         * configure: Rebuilt.
 886
 887 Wed Jun  5 08:28:13 1996  James G. Smith  <jsmith@cygnus.co.uk>
 888
 889         * configure.in: Define @SIMCONF@ depending on mips target.
 890         * configure: Rebuild.
 891         * Makefile.in (run): Add @SIMCONF@ to control simulator
 892         construction.
 893         * gencode.c: Change LOADDRMASK to 64bit memory model only.
 894         * interp.c: Remove some debugging, provide more detailed error
 895         messages, update memory accesses to use LOADDRMASK.
 896
 897 Mon Jun  3 11:55:03 1996  Ian Lance Taylor  <ian@cygnus.com>
 898
 899         * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
 900         AC_CHECK_LIB, and AC_CHECK_FUNCS.  Change AC_OUTPUT to set
 901         stamp-h.
 902         * configure: Rebuild.
 903         * config.in: New file, generated by autoheader.
 904         * interp.c: Include "config.h".  Include <stdlib.h>, <string.h>,
 905         and <strings.h> if they exist.  Replace #ifdef sun with #ifdef
 906         HAVE_ANINT and HAVE_AINT, as appropriate.
 907         * Makefile.in (run): Use @LIBS@ rather than -lm.
 908         (interp.o): Depend upon config.h.
 909         (Makefile): Just rebuild Makefile.
 910         (clean): Remove stamp-h.
 911         (mostlyclean): Make the same as clean, not as distclean.
 912         (config.h, stamp-h): New targets.
 913
 914 Fri May 10 00:41:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
 915
 916         * interp.c (ColdReset): Fix boolean test. Make all simulator
 917         globals static.
 918
 919 Wed May  8 15:12:58 1996  James G. Smith  <jsmith@cygnus.co.uk>
 920
 921         * interp.c (xfer_direct_word, xfer_direct_long,
 922         swap_direct_word, swap_direct_long, xfer_big_word,
 923         xfer_big_long, xfer_little_word, xfer_little_long,
 924         swap_word,swap_long): Added.
 925         * interp.c (ColdReset): Provide function indirection to
 926         host<->simulated_target transfer routines.
 927         * interp.c (sim_store_register, sim_fetch_register): Updated to
 928         make use of indirected transfer routines.
 929
 930 Fri Apr 19 15:48:24 1996  James G. Smith  <jsmith@cygnus.co.uk>
 931
 932         * gencode.c (process_instructions): Ensure FP ABS instruction
 933         recognised.
 934         * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
 935         system call support.
 936
 937 Wed Apr 10 09:51:38 1996  James G. Smith  <jsmith@cygnus.co.uk>
 938
 939         * interp.c (sim_do_command): Complain if callback structure not
 940         initialised.
 941
 942 Thu Mar 28 13:50:51 1996  James G. Smith  <jsmith@cygnus.co.uk>
 943
 944         * interp.c (Convert): Provide round-to-nearest and round-to-zero
 945         support for Sun hosts.
 946         * Makefile.in (gencode): Ensure the host compiler and libraries
 947         used for cross-hosted build.
 948
 949 Wed Mar 27 14:42:12 1996  James G. Smith  <jsmith@cygnus.co.uk>
 950
 951         * interp.c, gencode.c: Some more (TODO) tidying.
 952
 953 Thu Mar  7 11:19:33 1996  James G. Smith  <jsmith@cygnus.co.uk>
 954
 955         * gencode.c, interp.c: Replaced explicit long long references with
 956         WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
 957         * support.h (SET64LO, SET64HI): Macros added.
 958
 959 Wed Feb 21 12:16:21 1996  Ian Lance Taylor  <ian@cygnus.com>
 960
 961         * configure: Regenerate with autoconf 2.7.
 962
 963 Tue Jan 30 08:48:18 1996  Fred Fish  <fnf@cygnus.com>
 964
 965         * interp.c (LoadMemory): Enclose text following #endif in /* */.
 966         * support.h: Remove superfluous "1" from #if.
 967         * support.h (CHECKSIM): Remove stray 'a' at end of line.
 968
 969 Mon Dec  4 11:44:40 1995  Jamie Smith  <jsmith@cygnus.com>
 970
 971         * interp.c (StoreFPR): Control UndefinedResult() call on
 972         WARN_RESULT manifest.
 973
 974 Fri Dec  1 16:37:19 1995  James G. Smith  <jsmith@cygnus.co.uk>
 975
 976         * gencode.c: Tidied instruction decoding, and added FP instruction
 977         support.
 978
 979         * interp.c: Added dineroIII, and BSD profiling support. Also
 980         run-time FP handling.
 981
 982 Sun Oct 22 00:57:18 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
 983
 984         * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
 985         gencode.c, interp.c, support.h: created.