sim/mips/ChangeLog

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