sim/mips/ChangeLog

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