sim/mips/ChangeLog

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