sim/mips/ChangeLog

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