sim/mips/ChangeLog

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