sim/mips/ChangeLog

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