sim/mips/ChangeLog

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