sim/mips/ChangeLog

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