sim/mips/ChangeLog

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