sim/mips/ChangeLog

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