sim/mips/ChangeLog

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