sim/mips/ChangeLog

   1 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
   6
   7         * configure: Regenerated to track ../common/aclocal.m4 changes.
   8
   9 Tue Mar 25 11:38:22 1997  Doug Evans  <dje@canuck.cygnus.com>
  10
  11         * interp.c (sim_open): Set optind to 0 before calling getopt.
  12
  13 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  14
  15         * configure: Regenerated to track ../common/aclocal.m4 changes.
  16
  17 Mon Mar 17 10:52:59 1997  Gavin Koch  <gavin@cetus.cygnus.com>
  18
  19         * interp.c : Replace uses of pr_addr with pr_uword64
  20         where the bit length is always 64 independent of SIM_ADDR.
  21         (pr_uword64) : added.
  22
  23 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  24
  25         * configure: Re-generate.
  26
  27 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
  28
  29         * configure: Regenerate to track ../common/aclocal.m4 changes.
  30
  31 Thu Mar 13 12:51:36 1997  Doug Evans  <dje@canuck.cygnus.com>
  32
  33         * interp.c (sim_open): New SIM_DESC result.  Argument is now
  34         in argv form.
  35         (other sim_*): New SIM_DESC argument.
  36
  37 start-sanitize-r5900
  38 Wed Feb 26 18:32:21 1997  Gavin Koch  <gavin@cygnus.com>
  39
  40         * gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
  41         Change values to avoid overloading DOUBLEWORD which is tested
  42         for all insns.
  43         * gencode.c: reinstate "offending code".
  44 end-sanitize-r5900
  45
  46 Mon Feb 24 22:47:14 1997  Dawn Perchik  <dawn@cygnus.com>
  47
  48         * interp.c: Fix printing of addresses for non-64-bit targets.
  49         (pr_addr): Add function to print address based on size.
  50 start-sanitize-r5900
  51         * gencode.c: #ifdef out offending code until a permanent fix
  52         can be added.  Code is causing build errors for non-5900 mips targets.
  53 end-sanitize-r5900
  54
  55 start-sanitize-r5900
  56 Thu Feb 20 10:40:24 1997  Gavin Koch  <gavin@cetus.cygnus.com>
  57
  58         * gencode.c (process_instructions): Correct test for ISA dependent
  59         architecture bits in isa field of MIPS_DECODE.
  60
  61 end-sanitize-r5900
  62 Wed Feb 19 14:42:09 1997  Mark Alexander  <marka@cygnus.com>
  63
  64         * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
  65
  66 start-sanitize-r5900
  67 Tue Feb 18 17:03:47 1997  Gavin Koch  <gavin@cygnus.com>
  68
  69         * gencode.c (MIPS_DECODE): Correct instruction feature flags for
  70         PMADDUW.
  71
  72 end-sanitize-r5900
  73 Thu Feb 13 14:08:30 1997  Ian Lance Taylor  <ian@cygnus.com>
  74
  75         * gencode.c (build_mips16_operands): Correct computation of base
  76         address for extended PC relative instruction.
  77
  78 start-sanitize-r5900
  79 Fri Feb  7 11:12:44 1997  Gavin Koch  <gavin@cygnus.com>
  80
  81         * Makefile.in, configure, configure.in, gencode.c,
  82         interp.c, support.h: add r5900.
  83
  84 end-sanitize-r5900
  85 Thu Feb  6 17:16:15 1997  Ian Lance Taylor  <ian@cygnus.com>
  86
  87         * interp.c (mips16_entry): Add support for floating point cases.
  88         (SignalException): Pass floating point cases to mips16_entry.
  89         (ValueFPR): Don't restrict fmt_single and fmt_word to even
  90         registers.
  91         (StoreFPR): Likewise.  Also, don't clobber fpr + 1 for fmt_single
  92         or fmt_word.
  93         (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
  94         and then set the state to fmt_uninterpreted.
  95         (COP_SW): Temporarily set the state to fmt_word while calling
  96         ValueFPR.
  97
  98 Tue Feb  4 16:48:25 1997  Ian Lance Taylor  <ian@cygnus.com>
  99
 100         * gencode.c (build_instruction): The high order may be set in the
 101         comparison flags at any ISA level, not just ISA 4.
 102
 103 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 104
 105         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 106         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 107         * configure.in: sinclude ../common/aclocal.m4.
 108         * configure: Regenerated.
 109
 110 Fri Jan 31 11:11:45 1997  Ian Lance Taylor  <ian@cygnus.com>
 111
 112         * configure: Rebuild after change to aclocal.m4.
 113
 114 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 115
 116         * configure configure.in Makefile.in:  Update to new configure
 117         scheme which is more compatible with WinGDB builds.
 118         * configure.in:  Improve comment on how to run autoconf.
 119         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 120         * Makefile.in:  Use autoconf substitution to install common
 121         makefile fragment.
 122
 123 Wed Jan  8 12:39:03 1997  Jim Wilson  <wilson@cygnus.com>
 124
 125         * gencode.c (build_instruction): Use BigEndianCPU instead of
 126         ByteSwapMem.
 127
 128 Thu Jan 02 22:23:04 1997  Mark Alexander  <marka@cygnus.com>
 129
 130         * interp.c (sim_monitor): Make output to stdout visible in
 131         wingdb's I/O log window.
 132
 133 Tue Dec 31 07:04:00 1996  Mark Alexander  <marka@cygnus.com>
 134
 135         * support.h: Undo previous change to SIGTRAP
 136         and SIGQUIT values.
 137
 138 Mon Dec 30 17:36:06 1996  Ian Lance Taylor  <ian@cygnus.com>
 139
 140         * interp.c (store_word, load_word): New static functions.
 141         (mips16_entry): New static function.
 142         (SignalException): Look for mips16 entry and exit instructions.
 143         (simulate): Use the correct index when setting fpr_state after
 144         doing a pending move.
 145
 146 Sun Dec 29 09:37:18 1996  Mark Alexander  <marka@cygnus.com>
 147
 148         * interp.c: Fix byte-swapping code throughout to work on
 149         both little- and big-endian hosts.
 150
 151 Sun Dec 29 09:18:32 1996  Mark Alexander  <marka@cygnus.com>
 152
 153         * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
 154         with gdb/config/i386/xm-windows.h.
 155
 156 Fri Dec 27 22:48:51 1996  Mark Alexander  <marka@cygnus.com>
 157
 158         * gencode.c (build_instruction): Work around MSVC++ code gen bug
 159         that messes up arithmetic shifts.
 160
 161 Fri Dec 20 11:04:05 1996  Stu Grossman  (grossman@critters.cygnus.com)
 162
 163         * support.h:  Use _WIN32 instead of __WIN32__.  Also add defs for
 164         SIGTRAP and SIGQUIT for _WIN32.
 165
 166 Thu Dec 19 14:07:27 1996  Ian Lance Taylor  <ian@cygnus.com>
 167
 168         * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
 169         force a 64 bit multiplication.
 170         (build_instruction) [OR]: In mips16 mode, don't do anything if the
 171         destination register is 0, since that is the default mips16 nop
 172         instruction.
 173
 174 Mon Dec 16 14:59:38 1996  Ian Lance Taylor  <ian@cygnus.com>
 175
 176         * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
 177         (build_endian_shift): Don't check proc64.
 178         (build_instruction): Always set memval to uword64.  Cast op2 to
 179         uword64 when shifting it left in memory instructions.  Always use
 180         the same code for stores--don't special case proc64.
 181
 182         * gencode.c (build_mips16_operands): Fix base PC value for PC
 183         relative operands.
 184         (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
 185         jal instruction.
 186         * interp.c (simJALDELAYSLOT): Define.
 187         (JALDELAYSLOT): Define.
 188         (INDELAYSLOT, INJALDELAYSLOT): Define.
 189         (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
 190
 191 Tue Dec 24 22:11:20 1996  Angela Marie Thomas (angela@cygnus.com)
 192
 193         * interp.c (sim_open): add flush_cache as a PMON routine
 194         (sim_monitor): handle flush_cache by ignoring it
 195
 196 Wed Dec 11 13:53:51 1996  Jim Wilson  <wilson@cygnus.com>
 197
 198         * gencode.c (build_instruction): Use !ByteSwapMem instead of
 199         BigEndianMem.
 200         * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
 201         (BigEndianMem): Rename to ByteSwapMem and change sense.
 202         (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
 203         BigEndianMem references to !ByteSwapMem.
 204         (set_endianness): New function, with prototype.
 205         (sim_open): Call set_endianness.
 206         (sim_info): Use simBE instead of BigEndianMem.
 207         (xfer_direct_word, xfer_direct_long, swap_direct_word,
 208         swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
 209         xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
 210         ifdefs, keeping the prototype declaration.
 211         (swap_word): Rewrite correctly.
 212         (ColdReset): Delete references to CONFIG.  Delete endianness related
 213         code; moved to set_endianness.
 214
 215 Tue Dec 10 11:32:04 1996  Jim Wilson  <wilson@cygnus.com>
 216
 217         * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
 218         * interp.c (CHECKHILO): Define away.
 219         (simSIGINT): New macro.
 220         (membank_size): Increase from 1MB to 2MB.
 221         (control_c): New function.
 222         (sim_resume): Rename parameter signal to signal_number.  Add local
 223         variable prev.  Call signal before and after simulate.
 224         (sim_stop_reason): Add simSIGINT support.
 225         (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
 226         functions always.
 227         (sim_warning): Delete call to SignalException.  Do call printf_filtered
 228         if logfh is NULL.
 229         (AddressTranslation): Add #ifdef DEBUG around debugging message and
 230         a call to sim_warning.
 231
 232 Wed Nov 27 11:53:50 1996  Ian Lance Taylor  <ian@cygnus.com>
 233
 234         * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
 235         16 bit instructions.
 236
 237 Tue Nov 26 11:53:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 238
 239         Add support for mips16 (16 bit MIPS implementation):
 240         * gencode.c (inst_type): Add mips16 instruction encoding types.
 241         (GETDATASIZEINSN): Define.
 242         (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv.  Add
 243         jalx.  Add LEFT flag to mfhi and mflo.  Add RIGHT flag to mthi and
 244         mtlo.
 245         (MIPS16_DECODE): New table, for mips16 instructions.
 246         (bitmap_val): New static function.
 247         (struct mips16_op): Define.
 248         (mips16_op_table): New table, for mips16 operands.
 249         (build_mips16_operands): New static function.
 250         (process_instructions): If PC is odd, decode a mips16
 251         instruction.  Break out instruction handling into new
 252         build_instruction function.
 253         (build_instruction): New static function, broken out of
 254         process_instructions.  Check modifiers rather than flags for SHIFT
 255         bit count and m[ft]{hi,lo} direction.
 256         (usage): Pass program name to fprintf.
 257         (main): Remove unused variable this_option_optind.  Change
 258         ``*loptarg++'' to ``loptarg++''.
 259         (my_strtoul): Parenthesize && within ||.
 260         * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
 261         (simulate): If PC is odd, fetch a 16 bit instruction, and
 262         increment PC by 2 rather than 4.
 263         * configure.in: Add case for mips16*-*-*.
 264         * configure: Rebuild.
 265
 266 Fri Nov 22 08:49:36 1996  Mark Alexander  <marka@cygnus.com>
 267
 268         * interp.c: Allow -t to enable tracing in standalone simulator.
 269         Fix garbage output in trace file and error messages.
 270
 271 Wed Nov 20 01:54:37 1996  Doug Evans  <dje@canuck.cygnus.com>
 272
 273         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 274         (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
 275         * configure.in: Simplify using macros in ../common/aclocal.m4.
 276         * configure: Regenerated.
 277         * tconfig.in: New file.
 278
 279 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
 280
 281         * interp.c: Fix bugs in 64-bit port.
 282         Use ansi function declarations for msvc compiler.
 283         Initialize and test file pointer in trace code.
 284         Prevent duplicate definition of LAST_EMED_REGNUM.
 285
 286 Tue Oct 15 11:07:06 1996  Mark Alexander  <marka@cygnus.com>
 287
 288         * interp.c (xfer_big_long): Prevent unwanted sign extension.
 289
 290 Thu Sep 26 17:35:00 1996  James G. Smith  <jsmith@cygnus.co.uk>
 291
 292         * interp.c (SignalException): Check for explicit terminating
 293         breakpoint value.
 294         * gencode.c: Pass instruction value through SignalException()
 295         calls for Trap, Breakpoint and Syscall.
 296
 297 Thu Sep 26 11:35:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
 298
 299         * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
 300         only used on those hosts that provide it.
 301         * configure.in: Add sqrt() to list of functions to be checked for.
 302         * config.in: Re-generated.
 303         * configure: Re-generated.
 304
 305 Fri Sep 20 15:47:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 306
 307         * gencode.c (process_instructions): Call build_endian_shift when
 308         expanding STORE RIGHT, to fix swr.
 309         * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
 310         clear the high bits.
 311         * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
 312         Fix float to int conversions to produce signed values.
 313
 314 Thu Sep 19 15:34:17 1996  Ian Lance Taylor  <ian@cygnus.com>
 315
 316         * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
 317         (process_instructions): Correct handling of nor instruction.
 318         Correct shift count for 32 bit shift instructions. Correct sign
 319         extension for arithmetic shifts to not shift the number of bits in
 320         the type.  Fix 64 bit multiply high word calculation.  Fix 32 bit
 321         unsigned multiply.  Fix ldxc1 and friends to use coprocessor 1.
 322         Fix madd.
 323         * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
 324         It's OK to have a mult follow a mult.  What's not OK is to have a
 325         mult follow an mfhi.
 326         (Convert): Comment out incorrect rounding code.
 327
 328 Mon Sep 16 11:38:16 1996  James G. Smith  <jsmith@cygnus.co.uk>
 329
 330         * interp.c (sim_monitor): Improved monitor printf
 331         simulation. Tidied up simulator warnings, and added "--log" option
 332         for directing warning message output.
 333         * gencode.c: Use sim_warning() rather than WARNING macro.
 334
 335 Thu Aug 22 15:03:12 1996  Ian Lance Taylor  <ian@cygnus.com>
 336
 337         * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
 338         getopt1.o, rather than on gencode.c.  Link objects together.
 339         Don't link against -liberty.
 340         (gencode.o, getopt.o, getopt1.o): New targets.
 341         * gencode.c: Include <ctype.h> and "ansidecl.h".
 342         (AND): Undefine after including "ansidecl.h".
 343         (ULONG_MAX): Define if not defined.
 344         (OP_*): Don't define macros; now defined in opcode/mips.h.
 345         (main): Call my_strtoul rather than strtoul.
 346         (my_strtoul): New static function.
 347
 348 Wed Jul 17 18:12:38 1996  Stu Grossman  (grossman@critters.cygnus.com)
 349
 350         * gencode.c (process_instructions):  Generate word64 and uword64
 351         instead of `long long' and `unsigned long long' data types.
 352         * interp.c:  #include sysdep.h to get signals, and define default
 353         for SIGBUS.
 354         * (Convert):  Work around for Visual-C++ compiler bug with type
 355         conversion.
 356         * support.h:  Make things compile under Visual-C++ by using
 357         __int64 instead of `long long'.  Change many refs to long long
 358         into word64/uword64 typedefs.
 359
 360 Wed Jun 26 12:24:55 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
 361
 362         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
 363         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
 364         (docdir): Removed.
 365         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
 366         (AC_PROG_INSTALL): Added.
 367         (AC_PROG_CC): Moved to before configure.host call.
 368         * configure: Rebuilt.
 369
 370 Wed Jun  5 08:28:13 1996  James G. Smith  <jsmith@cygnus.co.uk>
 371
 372         * configure.in: Define @SIMCONF@ depending on mips target.
 373         * configure: Rebuild.
 374         * Makefile.in (run): Add @SIMCONF@ to control simulator
 375         construction.
 376         * gencode.c: Change LOADDRMASK to 64bit memory model only.
 377         * interp.c: Remove some debugging, provide more detailed error
 378         messages, update memory accesses to use LOADDRMASK.
 379
 380 Mon Jun  3 11:55:03 1996  Ian Lance Taylor  <ian@cygnus.com>
 381
 382         * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
 383         AC_CHECK_LIB, and AC_CHECK_FUNCS.  Change AC_OUTPUT to set
 384         stamp-h.
 385         * configure: Rebuild.
 386         * config.in: New file, generated by autoheader.
 387         * interp.c: Include "config.h".  Include <stdlib.h>, <string.h>,
 388         and <strings.h> if they exist.  Replace #ifdef sun with #ifdef
 389         HAVE_ANINT and HAVE_AINT, as appropriate.
 390         * Makefile.in (run): Use @LIBS@ rather than -lm.
 391         (interp.o): Depend upon config.h.
 392         (Makefile): Just rebuild Makefile.
 393         (clean): Remove stamp-h.
 394         (mostlyclean): Make the same as clean, not as distclean.
 395         (config.h, stamp-h): New targets.
 396
 397 Fri May 10 00:41:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
 398
 399         * interp.c (ColdReset): Fix boolean test. Make all simulator
 400         globals static.
 401
 402 Wed May  8 15:12:58 1996  James G. Smith  <jsmith@cygnus.co.uk>
 403
 404         * interp.c (xfer_direct_word, xfer_direct_long,
 405         swap_direct_word, swap_direct_long, xfer_big_word,
 406         xfer_big_long, xfer_little_word, xfer_little_long,
 407         swap_word,swap_long): Added.
 408         * interp.c (ColdReset): Provide function indirection to
 409         host<->simulated_target transfer routines.
 410         * interp.c (sim_store_register, sim_fetch_register): Updated to
 411         make use of indirected transfer routines.
 412
 413 Fri Apr 19 15:48:24 1996  James G. Smith  <jsmith@cygnus.co.uk>
 414
 415         * gencode.c (process_instructions): Ensure FP ABS instruction
 416         recognised.
 417         * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
 418         system call support.
 419
 420 Wed Apr 10 09:51:38 1996  James G. Smith  <jsmith@cygnus.co.uk>
 421
 422         * interp.c (sim_do_command): Complain if callback structure not
 423         initialised.
 424
 425 Thu Mar 28 13:50:51 1996  James G. Smith  <jsmith@cygnus.co.uk>
 426
 427         * interp.c (Convert): Provide round-to-nearest and round-to-zero
 428         support for Sun hosts.
 429         * Makefile.in (gencode): Ensure the host compiler and libraries
 430         used for cross-hosted build.
 431
 432 Wed Mar 27 14:42:12 1996  James G. Smith  <jsmith@cygnus.co.uk>
 433
 434         * interp.c, gencode.c: Some more (TODO) tidying.
 435
 436 Thu Mar  7 11:19:33 1996  James G. Smith  <jsmith@cygnus.co.uk>
 437
 438         * gencode.c, interp.c: Replaced explicit long long references with
 439         WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
 440         * support.h (SET64LO, SET64HI): Macros added.
 441
 442 Wed Feb 21 12:16:21 1996  Ian Lance Taylor  <ian@cygnus.com>
 443
 444         * configure: Regenerate with autoconf 2.7.
 445
 446 Tue Jan 30 08:48:18 1996  Fred Fish  <fnf@cygnus.com>
 447
 448         * interp.c (LoadMemory): Enclose text following #endif in /* */.
 449         * support.h: Remove superfluous "1" from #if.
 450         * support.h (CHECKSIM): Remove stray 'a' at end of line.
 451
 452 Mon Dec  4 11:44:40 1995  Jamie Smith  <jsmith@cygnus.com>
 453
 454         * interp.c (StoreFPR): Control UndefinedResult() call on
 455         WARN_RESULT manifest.
 456
 457 Fri Dec  1 16:37:19 1995  James G. Smith  <jsmith@cygnus.co.uk>
 458
 459         * gencode.c: Tidied instruction decoding, and added FP instruction
 460         support.
 461
 462         * interp.c: Added dineroIII, and BSD profiling support. Also
 463         run-time FP handling.
 464
 465 Sun Oct 22 00:57:18 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
 466
 467         * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
 468         gencode.c, interp.c, support.h: created.