sim/mips/ChangeLog

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