sim/mips/ChangeLog

   1 Mon Oct 27 17:53:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * Makefile.in (SIM_NO_CFLAGS): Define.  Define WITH_IGEN=0.
   4
   5         interp.c (sim_engine_run): Do not compile function sim_engine_run
   6         when WITH_IGEN == 1.
   7
   8         * configure.in (sim_igen_flags, sim_m16_flags): Set according to
   9         target architecture.
  10
  11         Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
  12         igen. Replace with configuration variables sim_igen_flags /
  13         sim_m16_flags.
  14
  15         end-sanitize-v5900
  16         * r5900.igen: New file. Copy v5900 insns here.
  17         start-sanitize-r5900
  18         end-sanitize-v5400
  19         * vr5400.igen: New file.
  20         start-sanitize-vr5400
  21         * m16.igen: New file.  Copy mips16 insns here.
  22         * mips.igen: From here.
  23
  24 Mon Oct 27 13:53:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  25
  26         start-sanitize-vr5400
  27         * mips.igen: Tag all mipsIV instructions with vr5400 model.
  28
  29         * configure.in: Add mips64vr5400 target.
  30         * configure: Re-generate.
  31
  32         end-sanitize-vr5400
  33         * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
  34         to top.
  35         (tmp-igen, tmp-m16): Pass -I srcdir to igen.
  36
  37 Sat Oct 25 16:51:40 1997  Gavin Koch  <gavin@cygnus.com>
  38
  39         * gencode.c (build_instruction): Follow sim_write's lead in using
  40         BigEndianMem instead of !ByteSwapMem.
  41
  42 Fri Oct 24 17:41:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  43
  44         * configure.in (sim_gen): Dependent on target, select type of
  45         generator.  Always select old style generator.
  46
  47         configure: Re-generate.
  48
  49         Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
  50         targets.
  51         (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
  52         SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
  53         IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
  54         (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
  55         SIM_@sim_gen@_*, set by autoconf.
  56
  57 Wed Oct 22 12:52:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  58
  59         * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
  60
  61         * interp.c (ColdReset): Remove #ifdef HASFPU, check
  62         CURRENT_FLOATING_POINT instead.
  63
  64         * interp.c (ifetch32): New function. Fetch 32 bit instruction.
  65         (address_translation): Raise exception InstructionFetch when
  66         translation fails and isINSTRUCTION.
  67
  68         * interp.c (sim_open, sim_write, sim_monitor, store_word,
  69         sim_engine_run): Change type of of vaddr and paddr to
  70         address_word.
  71         (address_translation, prefetch, load_memory, store_memory,
  72         cache_op): Change type of vAddr and pAddr to address_word.
  73
  74         * gencode.c (build_instruction): Change type of vaddr and paddr to
  75         address_word.
  76
  77 Mon Oct 20 15:29:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  78
  79         * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
  80         macro to obtain result of ALU op.
  81
  82 Tue Oct 21 17:39:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  83
  84         * interp.c (sim_info): Call profile_print.
  85
  86 Mon Oct 20 13:31:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  87
  88         * Makefile.in (SIM_OBJS): Add sim-profile.o module.
  89
  90         * sim-main.h (WITH_PROFILE): Do not define, defined in
  91         common/sim-config.h.  Use sim-profile module.
  92         (simPROFILE): Delete defintion.
  93
  94         * interp.c (PROFILE): Delete definition.
  95         (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
  96         (sim_close): Delete code writing profile histogram.
  97         (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
  98         Delete.
  99         (sim_engine_run): Delete code profiling the PC.
 100
 101 Mon Oct 20 13:31:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 102
 103         * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
 104
 105         * interp.c (sim_monitor): Make register pointers of type
 106         unsigned_word*.
 107
 108         * sim-main.h: Make registers of type unsigned_word not
 109         signed_word.
 110
 111 Thu Oct 16 10:31:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 112
 113 start-sanitize-r5900
 114         * sim-main.h (BYTES_IN_MMI_REGS, ..., SUB_REG_FETCH, ..., GPR_SB,
 115         ...): Move to sim-main.h
 116
 117 end-sanitize-r5900
 118         * interp.c (sync_operation): Rename from SyncOperation, make
 119         global, add SD argument.
 120         (prefetch): Rename from Prefetch, make global, add SD argument.
 121         (decode_coproc): Make global.
 122
 123         * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
 124
 125         * gencode.c (build_instruction): Generate DecodeCoproc not
 126         decode_coproc calls.
 127
 128         * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
 129         (SizeFGR): Move to sim-main.h
 130         (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
 131         simSIGINT, simJALDELAYSLOT): Move to sim-main.h
 132         (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
 133         sim-main.h.
 134         (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
 135         FP_RM_TOMINF, GETRM): Move to sim-main.h.
 136         (Uncached, CachedNoncoherent, CachedCoherent, Cached,
 137         isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
 138         (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
 139         BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
 140
 141         * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
 142         exception.
 143         (sim-alu.h): Include.
 144         (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
 145         (sim_cia): Typedef to instruction_address.
 146
 147 Thu Oct 16 10:31:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 148
 149         * Makefile.in (interp.o): Rename generated file engine.c to
 150         oengine.c.
 151
 152         * interp.c: Update.
 153
 154 Thu Oct 16 10:31:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 155
 156         * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
 157
 158 Thu Oct 16 10:31:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 159
 160         * gencode.c (build_instruction): For "FPSQRT", output correct
 161         number of arguments to Recip.
 162
 163 Tue Oct 14 17:38:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 164
 165         * Makefile.in (interp.o): Depends on sim-main.h
 166
 167         * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
 168
 169         * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
 170         ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
 171         (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
 172         STATE, DSSTATE): Define
 173         (GPR, FGRIDX, ..): Define.
 174
 175         * interp.c (registers, register_widths, fpr_state, ipc, dspc,
 176         pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
 177         (GPR, FGRIDX, ...): Delete macros.
 178
 179         * interp.c: Update names to match defines from sim-main.h
 180
 181 Tue Oct 14 15:11:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 182
 183         * interp.c (sim_monitor): Add SD argument.
 184         (sim_warning): Delete.  Replace calls with calls to
 185         sim_io_eprintf.
 186         (sim_error): Delete. Replace calls with sim_io_error.
 187         (open_trace, writeout32, writeout16, getnum): Add SD argument.
 188         (mips_set_profile): Rename from sim_set_profile. Add SD argument.
 189         (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
 190         argument.
 191         (mips_size): Rename from sim_size. Add SD argument.
 192
 193         * interp.c (simulator): Delete global variable.
 194         (callback): Delete global variable.
 195         (mips_option_handler, sim_open, sim_write, sim_read,
 196         sim_store_register, sim_fetch_register, sim_info, sim_do_command,
 197         sim_size,sim_monitor): Use sim_io_* not callback->*.
 198         (sim_open): ZALLOC simulator struct.
 199         (PROFILE): Do not define.
 200
 201 Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 202
 203         * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
 204         support.h with corresponding code.
 205
 206         * sim-main.h (word64, uword64), support.h: Move definition to
 207         sim-main.h.
 208         (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
 209
 210         * support.h: Delete
 211         * Makefile.in: Update dependencies
 212         * interp.c: Do not include.
 213
 214 Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 215
 216         * interp.c (address_translation, load_memory, store_memory,
 217         cache_op): Rename to from AddressTranslation et.al., make global,
 218         add SD argument
 219
 220         * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
 221         CacheOp): Define.
 222
 223         * interp.c (SignalException): Rename to signal_exception, make
 224         global.
 225
 226         * interp.c (Interrupt, ...): Move definitions to sim-main.h.
 227
 228         * sim-main.h (SignalException, SignalExceptionInterrupt,
 229         SignalExceptionInstructionFetch, SignalExceptionAddressStore,
 230         SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
 231         SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
 232         Define.
 233
 234         * interp.c, support.h: Use.
 235
 236 Tue Oct 14 13:19:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 237
 238         * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
 239         to value_fpr / store_fpr. Add SD argument.
 240         (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
 241         Multiply, Divide, Recip, SquareRoot, Convert): Make global.
 242
 243         * sim-main.h (ValueFPR, StoreFPR): Define.
 244
 245 Tue Oct 14 13:06:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 246
 247         * interp.c (sim_engine_run): Check consistency between configure
 248         WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
 249         and HASFPU.
 250
 251         * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
 252         (mips_fpu): Configure WITH_FLOATING_POINT.
 253         (mips_endian): Configure WITH_TARGET_ENDIAN.
 254         * configure: Update.
 255
 256 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 257
 258         * configure: Regenerated to track ../common/aclocal.m4 changes.
 259
 260 start-sanitize-r5900
 261 Mon Aug 25 19:11:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 262
 263         * interp.c (MAX_REG): Allow up-to 128 registers.
 264         (LO1, HI1): Define value that matches REGISTER_NAMES in gdb.
 265         (REGISTER_SA): Ditto.
 266         (sim_open): Initialize register_widths for r5900 specific
 267         registers.
 268         (sim_fetch_register, sim_store_register): Check for request of
 269         r5900 specific SA register.  Check for request for hi 64 bits of
 270         r5900 specific registers.
 271
 272 end-sanitize-r5900
 273 Mon Sep 29 14:45:00 1997  Bob Manson  <manson@charmed.cygnus.com>
 274
 275         * configure: Regenerated.
 276
 277 Fri Sep 26 12:48:18 1997  Mark Alexander  <marka@cygnus.com>
 278
 279         * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
 280
 281 Thu Sep 25 11:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 282
 283         * gencode.c (print_igen_insn_models): Assume certain architectures
 284         include all mips* instructions.
 285         (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
 286         instruction.
 287
 288         * Makefile.in (tmp.igen): Add target. Generate igen input from
 289         gencode file.
 290
 291         * gencode.c (FEATURE_IGEN): Define.
 292         (main): Add --igen option.  Generate output in igen format.
 293         (process_instructions): Format output according to igen option.
 294         (print_igen_insn_format): New function.
 295         (print_igen_insn_models): New function.
 296         (process_instructions): Only issue warnings and ignore
 297         instructions when no FEATURE_IGEN.
 298
 299 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 300
 301         * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
 302         MIPS targets.
 303
 304 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 305
 306         * configure: Regenerated to track ../common/aclocal.m4 changes.
 307
 308 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 309
 310         * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
 311         SIM_RESERVED_BITS): Delete, moved to common.
 312         (SIM_EXTRA_CFLAGS): Update.
 313
 314 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 315
 316         * configure.in: Configure non-strict memory alignment.
 317         * configure: Regenerated to track ../common/aclocal.m4 changes.
 318
 319 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 320
 321         * configure: Regenerated to track ../common/aclocal.m4 changes.
 322
 323 Sat Sep 20 14:07:28 1997  Gavin Koch  <gavin@cygnus.com>
 324
 325         * gencode.c (SDBBP,DERET): Added (3900) insns.
 326         (RFE): Turn on for 3900.
 327         * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
 328         (dsstate): Made global.
 329         (SUBTARGET_R3900): Added.
 330         (CANCELDELAYSLOT): New.
 331         (SignalException): Ignore SystemCall rather than ignore and
 332         terminate.  Add DebugBreakPoint handling.
 333         (decode_coproc): New insns RFE, DERET; and new registers Debug
 334         and DEPC protected by SUBTARGET_R3900.
 335         (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
 336         bits explicitly.
 337         * Makefile.in,configure.in: Add mips subtarget option.
 338         * configure: Update.
 339
 340 Fri Sep 19 09:33:27 1997  Gavin Koch  <gavin@cygnus.com>
 341
 342         * gencode.c: Add r3900 (tx39).
 343
 344 start-sanitize-tx19
 345         * gencode.c: Fix some configuration problems by improving
 346         the relationship between tx19 and tx39.
 347 end-sanitize-tx19
 348
 349 Tue Sep 16 15:52:04 1997  Gavin Koch  <gavin@cygnus.com>
 350
 351         * gencode.c (build_instruction): Don't need to subtract 4 for
 352         JALR, just 2.
 353
 354 Tue Sep 16 11:32:28 1997  Gavin Koch  <gavin@cygnus.com>
 355
 356         * interp.c: Correct some HASFPU problems.
 357
 358 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 359
 360         * configure: Regenerated to track ../common/aclocal.m4 changes.
 361
 362 Fri Sep 12 12:01:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 363
 364         * interp.c (mips_options): Fix samples option short form, should
 365         be `x'.
 366
 367 Thu Sep 11 09:35:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 368
 369         * interp.c (sim_info): Enable info code.  Was just returning.
 370
 371 Tue Sep  9 17:30:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 372
 373         * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
 374         MFC0.
 375
 376 Tue Sep  9 16:28:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 377
 378         * gencode.c (build_instruction): Use SIGNED64 for 64 bit
 379         constants.
 380         (build_instruction): Ditto for LL.
 381
 382 start-sanitize-tx19
 383 Sun Sep  7 16:05:46 1997  Gavin Koch  <gavin@cygnus.com>
 384
 385         * mips/configure.in, mips/gencode: Add tx19/r1900.
 386
 387 end-sanitize-tx19
 388 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 389
 390         * configure: Regenerated to track ../common/aclocal.m4 changes.
 391
 392 start-sanitize-r5900
 393 Mon Sep  1 18:43:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395         * gencode.c (build_instruction): For "pabsw" and "pabsh", check
 396         for overflow due to ABS of MININT, set result to MAXINT.
 397         (build_instruction): For "psrlvw", signextend bit 31.
 398
 399 end-sanitize-r5900
 400 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 401
 402         * configure: Regenerated to track ../common/aclocal.m4 changes.
 403         * config.in: Ditto.
 404
 405 Wed Aug 27 14:12:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 406
 407         * interp.c (sim_open): Add call to sim_analyze_program, update
 408         call to sim_config.
 409
 410 Tue Aug 26 10:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 411
 412         * interp.c (sim_kill): Delete.
 413         (sim_create_inferior): Add ABFD argument. Set PC from same.
 414         (sim_load): Move code initializing trap handlers from here.
 415         (sim_open): To here.
 416         (sim_load): Delete, use sim-hload.c.
 417
 418         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 419
 420 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 421
 422         * configure: Regenerated to track ../common/aclocal.m4 changes.
 423         * config.in: Ditto.
 424
 425 Mon Aug 25 15:59:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 426
 427         * interp.c (sim_open): Add ABFD argument.
 428         (sim_load): Move call to sim_config from here.
 429         (sim_open): To here.  Check return status.
 430
 431 start-sanitize-r5900
 432         * gencode.c (build_instruction): Do not define x8000000000000000,
 433         x7FFFFFFFFFFFFFFF, or xFFFFFFFF80000000.
 434
 435 end-sanitize-r5900
 436 start-sanitize-r5900
 437 Mon Jul 28 19:49:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 438
 439         * gencode.c (build_instruction): For "pdivw", "pdivbw" and
 440         "pdivuw" check for overflow due to signed divide by -1.
 441
 442 end-sanitize-r5900
 443 Fri Jul 25 15:00:45 1997  Gavin Koch  <gavin@cygnus.com>
 444
 445         * gencode.c (build_instruction): Two arg MADD should
 446         not assign result to $0.
 447
 448 start-sanitize-r5900
 449 Thu Jul 10 11:58:48 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 450
 451         * gencode.c (build_instruction): For "ppac5" use unsigned
 452         arrithmetic so that the sign bit doesn't smear when right shifted.
 453         (build_instruction): For "pdiv" perform sign extension when
 454         storing results in HI and LO.
 455         (build_instructions): For "pdiv" and "pdivbw" check for
 456         divide-by-zero.
 457         (build_instruction): For "pmfhl.slw" update hi part of dest
 458         register as well as low part.
 459         (build_instruction): For "pmfhl" portably handle long long values.
 460         (build_instruction): For "pmfhl.sh" correctly negative values.
 461         Store half words 2 and three in the correct place.
 462         (build_instruction): For "psllvw", sign extend value after shift.
 463
 464 end-sanitize-r5900
 465 Thu Jun 26 12:13:17 1997  Angela Marie Thomas (angela@cygnus.com)
 466
 467         * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
 468         * sim/mips/configure.in: Regenerate.
 469
 470 Wed Jul  9 10:29:21 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 471
 472         * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
 473         signed8, unsigned8 et.al. types.
 474
 475 start-sanitize-r5900
 476         * gencode.c (build_instruction): For PMULTU* do not sign extend
 477         registers.  Make generated code easier to debug.
 478
 479 end-sanitize-r5900
 480         * interp.c (SUB_REG_FETCH): Handle both little and big endian
 481         hosts when selecting subreg.
 482
 483 start-sanitize-r5900
 484 Tue Jul  8 18:07:20 1997  Andrew Cagney  <cagney@andros.cygnus.com>
 485
 486         * gencode.c (type_for_data_len): For 32bit operations concerned
 487         with overflow, perform op using 64bits.
 488         (build_instruction): For PADD, always compute operation using type
 489         returned by type_for_data_len.
 490         (build_instruction): For PSUBU, when overflow, saturate to zero as
 491         actually underflow.
 492
 493 end-sanitize-r5900
 494 Wed Jul  2 11:54:10 1997  Jeffrey A Law  (law@cygnus.com)
 495
 496 start-sanitize-r5900
 497         * gencode.c (build_instruction): Handle "pext5" according to
 498         version 1.95 of the r5900 ISA.
 499
 500         * gencode.c (build_instruction): Handle "ppac5" according to
 501         version 1.95 of the r5900 ISA.
 502
 503 end-sanitize-r5900
 504         * interp.c (sim_engine_run): Reset the ZERO register to zero
 505         regardless of FEATURE_WARN_ZERO.
 506         * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
 507
 508 Wed Jun  4 10:43:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 509
 510         * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
 511         (SignalException): For BreakPoints ignore any mode bits and just
 512         save the PC.
 513         (SignalException): Always set the CAUSE register.
 514
 515 Tue Jun  3 05:00:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 516
 517         * interp.c (SignalException): Clear the simDELAYSLOT flag when an
 518         exception has been taken.
 519
 520         * interp.c: Implement the ERET and mt/f sr instructions.
 521
 522 start-sanitize-r5900
 523 Mon Jun  2 23:28:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 524
 525         * gencode.c (build_instruction): For paddu, extract unsigned
 526         sub-fields.
 527
 528         * gencode.c (build_instruction): Saturate padds instead of padd
 529         instructions.
 530
 531 end-sanitize-r5900
 532 Sat May 31 00:44:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 533
 534         * interp.c (SignalException): Don't bother restarting an
 535         interrupt.
 536
 537 Fri May 30 23:41:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 538
 539         * interp.c (SignalException): Really take an interrupt.
 540         (interrupt_event): Only deliver interrupts when enabled.
 541
 542 Tue May 27 20:08:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 543
 544         * interp.c (sim_info): Only print info when verbose.
 545         (sim_info) Use sim_io_printf for output.
 546
 547 Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 548
 549         * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
 550         mips architectures.
 551
 552 Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 553
 554         * interp.c (sim_do_command): Check for common commands if a
 555         simulator specific command fails.
 556
 557 Thu May 22 09:32:03 1997  Gavin Koch  <gavin@cygnus.com>
 558
 559         * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
 560         and simBE when DEBUG is defined.
 561
 562 Wed May 21 09:08:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 563
 564         * interp.c (interrupt_event): New function.  Pass exception event
 565         onto exception handler.
 566
 567         * configure.in: Check for stdlib.h.
 568         * configure: Regenerate.
 569
 570         * gencode.c (build_instruction): Add UNUSED attribute to tempS
 571         variable declaration.
 572         (build_instruction): Initialize memval1.
 573         (build_instruction): Add UNUSED attribute to byte, bigend,
 574         reverse.
 575         (build_operands): Ditto.
 576
 577         * interp.c: Fix GCC warnings.
 578         (sim_get_quit_code): Delete.
 579
 580         * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
 581         * Makefile.in: Ditto.
 582         * configure: Re-generate.
 583
 584         * Makefile.in (SIM_OBJS): Add sim-watch.o module.
 585
 586 Tue May 20 15:08:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 587
 588         * interp.c (mips_option_handler): New function parse argumes using
 589         sim-options.
 590         (myname): Replace with STATE_MY_NAME.
 591         (sim_open): Delete check for host endianness - performed by
 592         sim_config.
 593         (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
 594         (sim_open): Move much of the initialization from here.
 595         (sim_load): To here.  After the image has been loaded and
 596         endianness set.
 597         (sim_open): Move ColdReset from here.
 598         (sim_create_inferior): To here.
 599         (sim_open): Make FP check less dependant on host endianness.
 600
 601         * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
 602         run.
 603         * interp.c (sim_set_callbacks): Delete.
 604
 605         * interp.c (membank, membank_base, membank_size): Replace with
 606         STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
 607         (sim_open): Remove call to callback->init. gdb/run do this.
 608
 609         * interp.c: Update
 610
 611         * sim-main.h (SIM_HAVE_FLATMEM): Define.
 612
 613         * interp.c (big_endian_p): Delete, replaced by
 614         current_target_byte_order.
 615
 616 Tue May 20 13:55:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 617
 618         * interp.c (host_read_long, host_read_word, host_swap_word,
 619         host_swap_long): Delete. Using common sim-endian.
 620         (sim_fetch_register, sim_store_register): Use H2T.
 621         (pipeline_ticks): Delete.  Handled by sim-events.
 622         (sim_info): Update.
 623         (sim_engine_run): Update.
 624
 625 Tue May 20 13:42:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 626
 627         * interp.c (sim_stop_reason): Move code determining simEXCEPTION
 628         reason from here.
 629         (SignalException): To here. Signal using sim_engine_halt.
 630         (sim_stop_reason): Delete, moved to common.
 631
 632 Tue May 20 10:19:48 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 633
 634         * interp.c (sim_open): Add callback argument.
 635         (sim_set_callbacks): Delete SIM_DESC argument.
 636         (sim_size): Ditto.
 637
 638 Mon May 19 18:20:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 639
 640         * Makefile.in (SIM_OBJS): Add common modules.
 641
 642         * interp.c (sim_set_callbacks): Also set SD callback.
 643         (set_endianness, xfer_*, swap_*): Delete.
 644         (host_read_word, host_read_long, host_swap_word, host_swap_long):
 645         Change to functions using sim-endian macros.
 646         (control_c, sim_stop): Delete, use common version.
 647         (simulate): Convert into.
 648         (sim_engine_run): This function.
 649         (sim_resume): Delete.
 650
 651         * interp.c (simulation): New variable - the simulator object.
 652         (sim_kind): Delete global - merged into simulation.
 653         (sim_load): Cleanup.  Move PC assignment from here.
 654         (sim_create_inferior): To here.
 655
 656         * sim-main.h: New file.
 657         * interp.c (sim-main.h): Include.
 658
 659 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 660
 661         * configure: Regenerated to track ../common/aclocal.m4 changes.
 662
 663 Wed Apr 23 17:32:19 1997  Doug Evans  <dje@canuck.cygnus.com>
 664
 665         * tconfig.in (SIM_HAVE_BIENDIAN): Define.
 666
 667 Mon Apr 21 17:16:13 1997  Gavin Koch  <gavin@cygnus.com>
 668
 669         * gencode.c (build_instruction): DIV instructions: check
 670         for division by zero and integer overflow before using
 671         host's division operation.
 672
 673 Thu Apr 17 03:18:14 1997  Doug Evans  <dje@canuck.cygnus.com>
 674
 675         * Makefile.in (SIM_OBJS): Add sim-load.o.
 676         * interp.c: #include bfd.h.
 677         (target_byte_order): Delete.
 678         (sim_kind, myname, big_endian_p): New static locals.
 679         (sim_open): Set sim_kind, myname.  Move call to set_endianness to
 680         after argument parsing.  Recognize -E arg, set endianness accordingly.
 681         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 682         load file into simulator.  Set PC from bfd.
 683         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 684         (set_endianness): Use big_endian_p instead of target_byte_order.
 685
 686 Wed Apr 16 17:55:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 687
 688         * interp.c (sim_size): Delete prototype - conflicts with
 689         definition in remote-sim.h.  Correct definition.
 690
 691 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 692
 693         * configure: Regenerated to track ../common/aclocal.m4 changes.
 694         * config.in: Ditto.
 695
 696 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 697
 698         * interp.c (sim_open): New arg `kind'.
 699
 700         * configure: Regenerated to track ../common/aclocal.m4 changes.
 701
 702 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 703
 704         * configure: Regenerated to track ../common/aclocal.m4 changes.
 705
 706 Tue Mar 25 11:38:22 1997  Doug Evans  <dje@canuck.cygnus.com>
 707
 708         * interp.c (sim_open): Set optind to 0 before calling getopt.
 709
 710 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 711
 712         * configure: Regenerated to track ../common/aclocal.m4 changes.
 713
 714 Mon Mar 17 10:52:59 1997  Gavin Koch  <gavin@cetus.cygnus.com>
 715
 716         * interp.c : Replace uses of pr_addr with pr_uword64
 717         where the bit length is always 64 independent of SIM_ADDR.
 718         (pr_uword64) : added.
 719
 720 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 721
 722         * configure: Re-generate.
 723
 724 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 725
 726         * configure: Regenerate to track ../common/aclocal.m4 changes.
 727
 728 Thu Mar 13 12:51:36 1997  Doug Evans  <dje@canuck.cygnus.com>
 729
 730         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 731         in argv form.
 732         (other sim_*): New SIM_DESC argument.
 733
 734 start-sanitize-r5900
 735 Wed Feb 26 18:32:21 1997  Gavin Koch  <gavin@cygnus.com>
 736
 737         * gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
 738         Change values to avoid overloading DOUBLEWORD which is tested
 739         for all insns.
 740         * gencode.c: reinstate "offending code".
 741
 742 end-sanitize-r5900
 743 Mon Feb 24 22:47:14 1997  Dawn Perchik  <dawn@cygnus.com>
 744
 745         * interp.c: Fix printing of addresses for non-64-bit targets.
 746         (pr_addr): Add function to print address based on size.
 747 start-sanitize-r5900
 748         * gencode.c: #ifdef out offending code until a permanent fix
 749         can be added.  Code is causing build errors for non-5900 mips targets.
 750 end-sanitize-r5900
 751
 752 start-sanitize-r5900
 753 Thu Feb 20 10:40:24 1997  Gavin Koch  <gavin@cetus.cygnus.com>
 754
 755         * gencode.c (process_instructions): Correct test for ISA dependent
 756         architecture bits in isa field of MIPS_DECODE.
 757
 758 end-sanitize-r5900
 759 Wed Feb 19 14:42:09 1997  Mark Alexander  <marka@cygnus.com>
 760
 761         * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
 762
 763 start-sanitize-r5900
 764 Tue Feb 18 17:03:47 1997  Gavin Koch  <gavin@cygnus.com>
 765
 766         * gencode.c (MIPS_DECODE): Correct instruction feature flags for
 767         PMADDUW.
 768
 769 end-sanitize-r5900
 770 Thu Feb 13 14:08:30 1997  Ian Lance Taylor  <ian@cygnus.com>
 771
 772         * gencode.c (build_mips16_operands): Correct computation of base
 773         address for extended PC relative instruction.
 774
 775 start-sanitize-r5900
 776 Fri Feb  7 11:12:44 1997  Gavin Koch  <gavin@cygnus.com>
 777
 778         * Makefile.in, configure, configure.in, gencode.c,
 779         interp.c, support.h: add r5900.
 780
 781 end-sanitize-r5900
 782 Thu Feb  6 17:16:15 1997  Ian Lance Taylor  <ian@cygnus.com>
 783
 784         * interp.c (mips16_entry): Add support for floating point cases.
 785         (SignalException): Pass floating point cases to mips16_entry.
 786         (ValueFPR): Don't restrict fmt_single and fmt_word to even
 787         registers.
 788         (StoreFPR): Likewise.  Also, don't clobber fpr + 1 for fmt_single
 789         or fmt_word.
 790         (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
 791         and then set the state to fmt_uninterpreted.
 792         (COP_SW): Temporarily set the state to fmt_word while calling
 793         ValueFPR.
 794
 795 Tue Feb  4 16:48:25 1997  Ian Lance Taylor  <ian@cygnus.com>
 796
 797         * gencode.c (build_instruction): The high order may be set in the
 798         comparison flags at any ISA level, not just ISA 4.
 799
 800 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 801
 802         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 803         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 804         * configure.in: sinclude ../common/aclocal.m4.
 805         * configure: Regenerated.
 806
 807 Fri Jan 31 11:11:45 1997  Ian Lance Taylor  <ian@cygnus.com>
 808
 809         * configure: Rebuild after change to aclocal.m4.
 810
 811 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 812
 813         * configure configure.in Makefile.in:  Update to new configure
 814         scheme which is more compatible with WinGDB builds.
 815         * configure.in:  Improve comment on how to run autoconf.
 816         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 817         * Makefile.in:  Use autoconf substitution to install common
 818         makefile fragment.
 819
 820 Wed Jan  8 12:39:03 1997  Jim Wilson  <wilson@cygnus.com>
 821
 822         * gencode.c (build_instruction): Use BigEndianCPU instead of
 823         ByteSwapMem.
 824
 825 Thu Jan 02 22:23:04 1997  Mark Alexander  <marka@cygnus.com>
 826
 827         * interp.c (sim_monitor): Make output to stdout visible in
 828         wingdb's I/O log window.
 829
 830 Tue Dec 31 07:04:00 1996  Mark Alexander  <marka@cygnus.com>
 831
 832         * support.h: Undo previous change to SIGTRAP
 833         and SIGQUIT values.
 834
 835 Mon Dec 30 17:36:06 1996  Ian Lance Taylor  <ian@cygnus.com>
 836
 837         * interp.c (store_word, load_word): New static functions.
 838         (mips16_entry): New static function.
 839         (SignalException): Look for mips16 entry and exit instructions.
 840         (simulate): Use the correct index when setting fpr_state after
 841         doing a pending move.
 842
 843 Sun Dec 29 09:37:18 1996  Mark Alexander  <marka@cygnus.com>
 844
 845         * interp.c: Fix byte-swapping code throughout to work on
 846         both little- and big-endian hosts.
 847
 848 Sun Dec 29 09:18:32 1996  Mark Alexander  <marka@cygnus.com>
 849
 850         * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
 851         with gdb/config/i386/xm-windows.h.
 852
 853 Fri Dec 27 22:48:51 1996  Mark Alexander  <marka@cygnus.com>
 854
 855         * gencode.c (build_instruction): Work around MSVC++ code gen bug
 856         that messes up arithmetic shifts.
 857
 858 Fri Dec 20 11:04:05 1996  Stu Grossman  (grossman@critters.cygnus.com)
 859
 860         * support.h:  Use _WIN32 instead of __WIN32__.  Also add defs for
 861         SIGTRAP and SIGQUIT for _WIN32.
 862
 863 Thu Dec 19 14:07:27 1996  Ian Lance Taylor  <ian@cygnus.com>
 864
 865         * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
 866         force a 64 bit multiplication.
 867         (build_instruction) [OR]: In mips16 mode, don't do anything if the
 868         destination register is 0, since that is the default mips16 nop
 869         instruction.
 870
 871 Mon Dec 16 14:59:38 1996  Ian Lance Taylor  <ian@cygnus.com>
 872
 873         * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
 874         (build_endian_shift): Don't check proc64.
 875         (build_instruction): Always set memval to uword64.  Cast op2 to
 876         uword64 when shifting it left in memory instructions.  Always use
 877         the same code for stores--don't special case proc64.
 878
 879         * gencode.c (build_mips16_operands): Fix base PC value for PC
 880         relative operands.
 881         (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
 882         jal instruction.
 883         * interp.c (simJALDELAYSLOT): Define.
 884         (JALDELAYSLOT): Define.
 885         (INDELAYSLOT, INJALDELAYSLOT): Define.
 886         (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
 887
 888 Tue Dec 24 22:11:20 1996  Angela Marie Thomas (angela@cygnus.com)
 889
 890         * interp.c (sim_open): add flush_cache as a PMON routine
 891         (sim_monitor): handle flush_cache by ignoring it
 892
 893 Wed Dec 11 13:53:51 1996  Jim Wilson  <wilson@cygnus.com>
 894
 895         * gencode.c (build_instruction): Use !ByteSwapMem instead of
 896         BigEndianMem.
 897         * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
 898         (BigEndianMem): Rename to ByteSwapMem and change sense.
 899         (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
 900         BigEndianMem references to !ByteSwapMem.
 901         (set_endianness): New function, with prototype.
 902         (sim_open): Call set_endianness.
 903         (sim_info): Use simBE instead of BigEndianMem.
 904         (xfer_direct_word, xfer_direct_long, swap_direct_word,
 905         swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
 906         xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
 907         ifdefs, keeping the prototype declaration.
 908         (swap_word): Rewrite correctly.
 909         (ColdReset): Delete references to CONFIG.  Delete endianness related
 910         code; moved to set_endianness.
 911
 912 Tue Dec 10 11:32:04 1996  Jim Wilson  <wilson@cygnus.com>
 913
 914         * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
 915         * interp.c (CHECKHILO): Define away.
 916         (simSIGINT): New macro.
 917         (membank_size): Increase from 1MB to 2MB.
 918         (control_c): New function.
 919         (sim_resume): Rename parameter signal to signal_number.  Add local
 920         variable prev.  Call signal before and after simulate.
 921         (sim_stop_reason): Add simSIGINT support.
 922         (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
 923         functions always.
 924         (sim_warning): Delete call to SignalException.  Do call printf_filtered
 925         if logfh is NULL.
 926         (AddressTranslation): Add #ifdef DEBUG around debugging message and
 927         a call to sim_warning.
 928
 929 Wed Nov 27 11:53:50 1996  Ian Lance Taylor  <ian@cygnus.com>
 930
 931         * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
 932         16 bit instructions.
 933
 934 Tue Nov 26 11:53:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 935
 936         Add support for mips16 (16 bit MIPS implementation):
 937         * gencode.c (inst_type): Add mips16 instruction encoding types.
 938         (GETDATASIZEINSN): Define.
 939         (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv.  Add
 940         jalx.  Add LEFT flag to mfhi and mflo.  Add RIGHT flag to mthi and
 941         mtlo.
 942         (MIPS16_DECODE): New table, for mips16 instructions.
 943         (bitmap_val): New static function.
 944         (struct mips16_op): Define.
 945         (mips16_op_table): New table, for mips16 operands.
 946         (build_mips16_operands): New static function.
 947         (process_instructions): If PC is odd, decode a mips16
 948         instruction.  Break out instruction handling into new
 949         build_instruction function.
 950         (build_instruction): New static function, broken out of
 951         process_instructions.  Check modifiers rather than flags for SHIFT
 952         bit count and m[ft]{hi,lo} direction.
 953         (usage): Pass program name to fprintf.
 954         (main): Remove unused variable this_option_optind.  Change
 955         ``*loptarg++'' to ``loptarg++''.
 956         (my_strtoul): Parenthesize && within ||.
 957         * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
 958         (simulate): If PC is odd, fetch a 16 bit instruction, and
 959         increment PC by 2 rather than 4.
 960         * configure.in: Add case for mips16*-*-*.
 961         * configure: Rebuild.
 962
 963 Fri Nov 22 08:49:36 1996  Mark Alexander  <marka@cygnus.com>
 964
 965         * interp.c: Allow -t to enable tracing in standalone simulator.
 966         Fix garbage output in trace file and error messages.
 967
 968 Wed Nov 20 01:54:37 1996  Doug Evans  <dje@canuck.cygnus.com>
 969
 970         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 971         (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
 972         * configure.in: Simplify using macros in ../common/aclocal.m4.
 973         * configure: Regenerated.
 974         * tconfig.in: New file.
 975
 976 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
 977
 978         * interp.c: Fix bugs in 64-bit port.
 979         Use ansi function declarations for msvc compiler.
 980         Initialize and test file pointer in trace code.
 981         Prevent duplicate definition of LAST_EMED_REGNUM.
 982
 983 Tue Oct 15 11:07:06 1996  Mark Alexander  <marka@cygnus.com>
 984
 985         * interp.c (xfer_big_long): Prevent unwanted sign extension.
 986
 987 Thu Sep 26 17:35:00 1996  James G. Smith  <jsmith@cygnus.co.uk>
 988
 989         * interp.c (SignalException): Check for explicit terminating
 990         breakpoint value.
 991         * gencode.c: Pass instruction value through SignalException()
 992         calls for Trap, Breakpoint and Syscall.
 993
 994 Thu Sep 26 11:35:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
 995
 996         * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
 997         only used on those hosts that provide it.
 998         * configure.in: Add sqrt() to list of functions to be checked for.
 999         * config.in: Re-generated.
1000         * configure: Re-generated.
1001
1002 Fri Sep 20 15:47:12 1996  Ian Lance Taylor  <ian@cygnus.com>
1003
1004         * gencode.c (process_instructions): Call build_endian_shift when
1005         expanding STORE RIGHT, to fix swr.
1006         * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
1007         clear the high bits.
1008         * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
1009         Fix float to int conversions to produce signed values.
1010
1011 Thu Sep 19 15:34:17 1996  Ian Lance Taylor  <ian@cygnus.com>
1012
1013         * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
1014         (process_instructions): Correct handling of nor instruction.
1015         Correct shift count for 32 bit shift instructions. Correct sign
1016         extension for arithmetic shifts to not shift the number of bits in
1017         the type.  Fix 64 bit multiply high word calculation.  Fix 32 bit
1018         unsigned multiply.  Fix ldxc1 and friends to use coprocessor 1.
1019         Fix madd.
1020         * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
1021         It's OK to have a mult follow a mult.  What's not OK is to have a
1022         mult follow an mfhi.
1023         (Convert): Comment out incorrect rounding code.
1024
1025 Mon Sep 16 11:38:16 1996  James G. Smith  <jsmith@cygnus.co.uk>
1026
1027         * interp.c (sim_monitor): Improved monitor printf
1028         simulation. Tidied up simulator warnings, and added "--log" option
1029         for directing warning message output.
1030         * gencode.c: Use sim_warning() rather than WARNING macro.
1031
1032 Thu Aug 22 15:03:12 1996  Ian Lance Taylor  <ian@cygnus.com>
1033
1034         * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
1035         getopt1.o, rather than on gencode.c.  Link objects together.
1036         Don't link against -liberty.
1037         (gencode.o, getopt.o, getopt1.o): New targets.
1038         * gencode.c: Include <ctype.h> and "ansidecl.h".
1039         (AND): Undefine after including "ansidecl.h".
1040         (ULONG_MAX): Define if not defined.
1041         (OP_*): Don't define macros; now defined in opcode/mips.h.
1042         (main): Call my_strtoul rather than strtoul.
1043         (my_strtoul): New static function.
1044
1045 Wed Jul 17 18:12:38 1996  Stu Grossman  (grossman@critters.cygnus.com)
1046
1047         * gencode.c (process_instructions):  Generate word64 and uword64
1048         instead of `long long' and `unsigned long long' data types.
1049         * interp.c:  #include sysdep.h to get signals, and define default
1050         for SIGBUS.
1051         * (Convert):  Work around for Visual-C++ compiler bug with type
1052         conversion.
1053         * support.h:  Make things compile under Visual-C++ by using
1054         __int64 instead of `long long'.  Change many refs to long long
1055         into word64/uword64 typedefs.
1056
1057 Wed Jun 26 12:24:55 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
1058
1059         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
1060         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
1061         (docdir): Removed.
1062         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
1063         (AC_PROG_INSTALL): Added.
1064         (AC_PROG_CC): Moved to before configure.host call.
1065         * configure: Rebuilt.
1066
1067 Wed Jun  5 08:28:13 1996  James G. Smith  <jsmith@cygnus.co.uk>
1068
1069         * configure.in: Define @SIMCONF@ depending on mips target.
1070         * configure: Rebuild.
1071         * Makefile.in (run): Add @SIMCONF@ to control simulator
1072         construction.
1073         * gencode.c: Change LOADDRMASK to 64bit memory model only.
1074         * interp.c: Remove some debugging, provide more detailed error
1075         messages, update memory accesses to use LOADDRMASK.
1076
1077 Mon Jun  3 11:55:03 1996  Ian Lance Taylor  <ian@cygnus.com>
1078
1079         * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
1080         AC_CHECK_LIB, and AC_CHECK_FUNCS.  Change AC_OUTPUT to set
1081         stamp-h.
1082         * configure: Rebuild.
1083         * config.in: New file, generated by autoheader.
1084         * interp.c: Include "config.h".  Include <stdlib.h>, <string.h>,
1085         and <strings.h> if they exist.  Replace #ifdef sun with #ifdef
1086         HAVE_ANINT and HAVE_AINT, as appropriate.
1087         * Makefile.in (run): Use @LIBS@ rather than -lm.
1088         (interp.o): Depend upon config.h.
1089         (Makefile): Just rebuild Makefile.
1090         (clean): Remove stamp-h.
1091         (mostlyclean): Make the same as clean, not as distclean.
1092         (config.h, stamp-h): New targets.
1093
1094 Fri May 10 00:41:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
1095
1096         * interp.c (ColdReset): Fix boolean test. Make all simulator
1097         globals static.
1098
1099 Wed May  8 15:12:58 1996  James G. Smith  <jsmith@cygnus.co.uk>
1100
1101         * interp.c (xfer_direct_word, xfer_direct_long,
1102         swap_direct_word, swap_direct_long, xfer_big_word,
1103         xfer_big_long, xfer_little_word, xfer_little_long,
1104         swap_word,swap_long): Added.
1105         * interp.c (ColdReset): Provide function indirection to
1106         host<->simulated_target transfer routines.
1107         * interp.c (sim_store_register, sim_fetch_register): Updated to
1108         make use of indirected transfer routines.
1109
1110 Fri Apr 19 15:48:24 1996  James G. Smith  <jsmith@cygnus.co.uk>
1111
1112         * gencode.c (process_instructions): Ensure FP ABS instruction
1113         recognised.
1114         * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
1115         system call support.
1116
1117 Wed Apr 10 09:51:38 1996  James G. Smith  <jsmith@cygnus.co.uk>
1118
1119         * interp.c (sim_do_command): Complain if callback structure not
1120         initialised.
1121
1122 Thu Mar 28 13:50:51 1996  James G. Smith  <jsmith@cygnus.co.uk>
1123
1124         * interp.c (Convert): Provide round-to-nearest and round-to-zero
1125         support for Sun hosts.
1126         * Makefile.in (gencode): Ensure the host compiler and libraries
1127         used for cross-hosted build.
1128
1129 Wed Mar 27 14:42:12 1996  James G. Smith  <jsmith@cygnus.co.uk>
1130
1131         * interp.c, gencode.c: Some more (TODO) tidying.
1132
1133 Thu Mar  7 11:19:33 1996  James G. Smith  <jsmith@cygnus.co.uk>
1134
1135         * gencode.c, interp.c: Replaced explicit long long references with
1136         WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
1137         * support.h (SET64LO, SET64HI): Macros added.
1138
1139 Wed Feb 21 12:16:21 1996  Ian Lance Taylor  <ian@cygnus.com>
1140
1141         * configure: Regenerate with autoconf 2.7.
1142
1143 Tue Jan 30 08:48:18 1996  Fred Fish  <fnf@cygnus.com>
1144
1145         * interp.c (LoadMemory): Enclose text following #endif in /* */.
1146         * support.h: Remove superfluous "1" from #if.
1147         * support.h (CHECKSIM): Remove stray 'a' at end of line.
1148
1149 Mon Dec  4 11:44:40 1995  Jamie Smith  <jsmith@cygnus.com>
1150
1151         * interp.c (StoreFPR): Control UndefinedResult() call on
1152         WARN_RESULT manifest.
1153
1154 Fri Dec  1 16:37:19 1995  James G. Smith  <jsmith@cygnus.co.uk>
1155
1156         * gencode.c: Tidied instruction decoding, and added FP instruction
1157         support.
1158
1159         * interp.c: Added dineroIII, and BSD profiling support. Also
1160         run-time FP handling.
1161
1162 Sun Oct 22 00:57:18 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
1163
1164         * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
1165         gencode.c, interp.c, support.h: created.