sim/mips/ChangeLog

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