sim/mips/ChangeLog

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