sim/mips/ChangeLog

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