sim/mips/ChangeLog

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