sim/mips/ChangeLog

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