sim/d10v/ChangeLog

   1 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
   4         bit rather than 16 bit precision.
   5         (OP_3C00): For "mulxu", store unsigned product in ACC.
   6         (OP_3800): For "msbu", subtract unsigned product from ACC,
   7
   8 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   9
  10         * simops.c (OP_1000): For "sub2w", compute carry by comparing
  11         inputs.
  12
  13 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  14
  15         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
  16         carry indicated by value > 0xffff.
  17
  18 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  19
  20         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
  21         handled by client.
  22         (sim_resume): Fix race condition of a direct assignment to
  23         stop_simulator, conditionally call sim_stop.
  24         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
  25         stop_simulator ready for next sim_resume call.
  26         (sim_ctrl_c): Delete function.
  27
  28 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  29
  30         * interp.c (sim_resume): For "REP", only check/update the PC when
  31         a branch instruction has not been executed.
  32
  33 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  34
  35         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
  36         extend bit 44 all constants.
  37         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
  38
  39 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  40
  41         * d10v_sim.h: Include sim-types.h.
  42         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
  43         using unsigned8 et.al. from sim-types.h.
  44         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
  45         SIGNED64 macro.
  46
  47 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  48
  49         * interp.c (sim_write_phys): New function, write to physical
  50         instead of virtual memory.
  51
  52         * interp.c (sim_load): Pass lma_p and sim_write_phys to
  53         sim_load_file.
  54
  55 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
  56
  57         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
  58         exception generation code to OP_6E01.
  59         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
  60         generation code.
  61
  62 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
  63
  64         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
  65         (OP_6601): Ditto.
  66
  67 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  68
  69         * configure: Regenerated to track ../common/aclocal.m4 changes.
  70
  71 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
  72
  73         * interp.c (pc_addr): Discard upper bit(s) of PC in case
  74         IMAP1 selects unified memory.
  75         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
  76         for end condition.
  77
  78 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  79
  80         * configure: Regenerated to track ../common/aclocal.m4 changes.
  81
  82 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  83
  84         * configure: Regenerated to track ../common/aclocal.m4 changes.
  85
  86 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  87
  88         * configure: Regenerated to track ../common/aclocal.m4 changes.
  89
  90 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  91
  92         * configure: Regenerated to track ../common/aclocal.m4 changes.
  93
  94 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  95
  96         * configure: Regenerated to track ../common/aclocal.m4 changes.
  97
  98 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
  99
 100         * interp.c (sim_resume): Increment PC at end of rep
 101         loop.
 102
 103         * simops.c (OP_4201): Fix rachi instruction.
 104
 105 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 106
 107         * configure: Regenerated to track ../common/aclocal.m4 changes.
 108
 109 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 110
 111         * configure: Regenerated to track ../common/aclocal.m4 changes.
 112         * config.in: Ditto.
 113
 114 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 115
 116         * interp.c (sim_kill): Delete.
 117         (sim_create_inferior): Add ABFD argument.
 118         (sim_load): Move setting of PC from here.
 119         (sim_create_inferior): To here.
 120         (start_address): Delete variable.
 121
 122 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 123
 124         * configure: Regenerated to track ../common/aclocal.m4 changes.
 125         * config.in: Ditto.
 126
 127 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 128
 129         * interp.c (sim_open): Add ABFD argument.
 130
 131 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 132
 133         * interp.c (sim_open): Add callback argument.
 134         (sim_set_callbacks): Remove SIM_DESC argument.
 135
 136 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 137
 138         * configure: Regenerated to track ../common/aclocal.m4 changes.
 139
 140 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 141
 142         * interp.c (sim_open): Undo patch to add -E support.
 143
 144 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 145
 146         * interp.c (sim_stop): New function.
 147
 148 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 149
 150         * Makefile.in (SIM_OBJS): Add sim-load.o.
 151         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 152         * interp.c: #include bfd.h.
 153         (myname, sim_kind, start_address): New static locals.
 154         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 155         (decode_pc): Update to use prog_bfd.
 156         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 157         (sim_close): Close prog_bfd if simulator opened it.
 158         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 159         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 160         Call sim_load_file to load file into simulator.
 161         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 162
 163 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 164
 165         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 166         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 167
 168 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 169
 170         * configure: Regenerated to track ../common/aclocal.m4 changes.
 171         * config.in: Ditto.
 172
 173 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 174
 175         * interp.c (sim_open): New arg `kind'.
 176
 177         * configure: Regenerated to track ../common/aclocal.m4 changes.
 178
 179 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 180
 181         * configure: Regenerated to track ../common/aclocal.m4 changes.
 182
 183 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 184
 185         * configure: Re-generate.
 186
 187 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 188
 189         * configure: Regenerate to track ../common/aclocal.m4 changes.
 190
 191         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 192         as trap 0, which will be deprecated.  Only set errno, if an error
 193         in fact was returned.
 194
 195 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 196
 197         * interp.c: Delete redundant prototypes of sim_foo fns.
 198         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 199         (other sim_*): New SIM_DESC argument.
 200
 201 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 202
 203         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 204         callback functions.
 205         (OP_5F00): Ditto.
 206         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 207         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 208         setting the carry bit after an add or a subtract.
 209
 210 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 211
 212         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 213         40 bits of accumulators.  Sign/zero extend as appropriate.
 214
 215 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 216
 217         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 218         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 219         * configure.in: sinclude ../common/aclocal.m4.
 220         * configure: Regenerated.
 221
 222 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 223
 224         * configure configure.in Makefile.in:  Update to new configure
 225         scheme which is more compatible with WinGDB builds.
 226         * configure.in:  Improve comment on how to run autoconf.
 227         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 228         * Makefile.in:  Use autoconf substitution to install common
 229         makefile fragment.
 230
 231 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 232
 233         * gencode.c: patch to not #include "d10v_sim.h" which
 234         unecessarily includes bfd.h and causes wingdb configure
 235         to fail.
 236
 237 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 238
 239         * interp.c (xfer_mem): Change unified memory to 0x0.
 240
 241 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 242
 243         * simops.c (OP_3E01): Fix tracing information.
 244         (OP_300{0,1}): Do not propigate sign.
 245
 246 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 247
 248         * config.in (WORDS_BIGENDIAN): Add.
 249         * configure: Regenerated.
 250         * d10v_sim.h: #include "config.h"
 251
 252 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 253
 254         * gencode.c (write_opcodes): Eliminate warnings when generated
 255         table.c is compiled.
 256
 257 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 258
 259         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 260         was not returned.
 261         (dmem_addr): If address is illegal or in I/O space, signal a bus
 262         error.
 263         (pc_addr): Signal bus error, not illegal instruction for bogus
 264         pc.
 265
 266 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 267
 268         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 269         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 270         * configure.in: Simplify using macros in ../common/aclocal.m4.
 271         Call AC_CHECK_HEADERS(unistd.h).
 272         * configure: Regenerated.
 273         * config.in: New file.
 274         * interp.c: #include "callback.h".
 275         * simops.c: #include "config.h".  #include <unistd.h> if present.
 276
 277 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 278
 279         * d10v-sim.h (simops): Add flag is_long.
 280         (State): Add pc_changed.  Instructions which update the PC should
 281         use the JMP macro which sets this.
 282         (JMP): New macro.  Sets the PC and the pc_changed flag.
 283
 284         * gencode.c (write_opcodes): Add is_long field.
 285
 286         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 287         to a long opcode we could get a false match.  Check the opcode size.
 288         (hash): Add a size field to the hash table.
 289         (sim_open): Initialize size field in hash table.
 290         (sim_resume): Change to logic for setting the PC.  Used to increment the
 291         PC if it had not been changed.  This didn't allow single-instruction loops.
 292         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 293         (dmem_addr): Fix translation of data segments to unified memory.
 294         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 295
 296         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 297         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 298         a ldi.s instruction.
 299
 300 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 301
 302         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 303         updating the accumulators was overwriting other parts of the global
 304         State variable.
 305
 306 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 307
 308         * interp.c (bfd.h) Don't include it here any more.
 309         (text{,_start,_end}): Move here from simops.c and make extern.
 310         (decode_pc): New function to return the PC as an address that the
 311         debugger can use.
 312         (dmem_addr): Print decoded PC in error message.
 313         (pc_addr): Ditto.
 314
 315         * simops.c (bfd.h) Don't include it here any more.
 316         (text{,_start,_end}): Move to simops.c.
 317         (trace_input_func): Move decoding of PC, and looking up .text
 318         start to decode_pc.
 319
 320         * d10v_sim.h (bfd.h): Include it here.
 321         (text{,_start,_end}): Add external declarations.
 322         (exec_bfd): Ditto.
 323         (decode_pc): Ditto.
 324
 325 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 326
 327         * interp.c (sim_size): Now allocates unified memory for imap segments
 328         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 329         (sim_write): Just call xfer_mem().
 330         (sim_read): Just call xfer_mem().
 331         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 332         (dmem_addr): New function. Reads dmap register and translates data
 333         addresses to local addresses.
 334         (pc_addr): New function. Reads imap register and computes local address
 335         corresponding to contents of the PC.
 336         (sim_resume): Change to use pc_addr().
 337         (sim_create_inferior): Change reinitialization code. Also reinitializes
 338         imap[01] and dmap.
 339         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 340         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 341
 342         * simops.c (MEMPTR): Redefine to use dmem_addr().
 343         (OP_5F00): Replace references to STate.imem with dmem_addr().
 344
 345         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 346         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 347         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 348
 349 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 350
 351         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 352         better statistics, like not counting NOPS as parallel
 353         instructions, and printing total cycles.
 354         (ins_type_counters): Make unsigned long.
 355         (left_nops,right_nops): Fold into ins_type_counters.
 356
 357         * simops.c (trace_input_func): Print new instruction types.
 358         Handle OP_R2R3 as input types.
 359         (OP_{38000000,7000}): Correctly sign extend bytes.
 360         (OP_5E00): Don't count NOPs as parallel instructions.
 361         (OP_460B): Remove unused variable.
 362         (OP_5F00): Ditto.
 363
 364         * interp.c (ins_type_counters): Make unsigned long.
 365         (left_nops,right_nops): Delete.
 366         (most functions): Add prototypes.
 367         (INLINE): If GCC and optimize define as __inline__.
 368         ({,lookup_}hash,get_operands): Declare as INLINE.
 369         (do_parallel): Count conditional operations.
 370         (add_commas): New function, to add commas every 3 digits.
 371         (sim_size): Call add_commas to print numbers.
 372         (sim_{open,resume}): Delete unused variables.
 373         (sim_info): Provide better statistics.
 374         (sim_read): Add int return type.
 375
 376 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 377
 378         * interp.c (sim_resume): Change the way single-stepping and exceptions
 379         are handled so single-stepping works again.
 380
 381 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 382
 383         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 384         endian hosts.
 385
 386         * configure.in (--enable-sim-bswap): New switch to enable using
 387         the BSWAP instruction on x86's.
 388         * configure: Regenerate.
 389
 390         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 391         support.
 392
 393 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 394
 395         * endian.c: New file.  Move endian functions here from interp.c.
 396         Optimize code, and make it work as either inline functions or as a
 397         separate file.
 398
 399         * interp.c: Move endian functions from here to endian.c.
 400
 401         * Makefile.in (INCLUDE): Add endian.c.
 402         (run,libsim.a): Add dependency on endian.o.
 403         (endian.o): Add dependency.
 404
 405         * d10v_sim.h (read/write support): Always go through the machine
 406         independent endian functions.  If compiling with GCC and
 407         optimizing, include endian.c so the endian functions are inlined.
 408
 409         * simops.c (OP_5F00): Correct tracing of accumulators.
 410
 411 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 412
 413         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 414
 415         * interp.c (do_{2_short,parallel}): If an exception is raised,
 416         don't execute the second instruction.
 417
 418 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 419
 420         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 421         temporary in case the register is overriden when loading.
 422         (OP_6200): Output type is OP_DREG for tracing.
 423
 424 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 425
 426         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 427
 428         * interp.c (sim_size): Initialize mem_{min,max} fields.
 429         (sim_write): Update mem_{min,max} fields.
 430         (sim_resume): If PC is not in the minimum/maximum memory range,
 431         abort.
 432         (sim_create_inferior): Preserve mem_{min,max} fields.
 433
 434 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 435
 436         * simops.c (OP_5F00): Add support for time() system call.
 437
 438 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 439
 440         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 441         stored if tracing.
 442         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 443         system calls.
 444
 445 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 446
 447         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 448         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 449         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 450         to call/subroutine returns to trace the first two arguments and
 451         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 452
 453 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 454
 455         * interp.c (sim_create_inferior): Reinitialize State every time
 456         sim_create_inferior() is called.
 457
 458 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 459
 460         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 461         on comparisons.
 462         (OP_401): Fix tracing information.
 463
 464 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 465
 466         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 467         (trace_input_func): Use them.
 468         (trace_input_func): Make sure there is a trailing space after the
 469         instruction.
 470         (OP_6200): Fix tracing info.
 471
 472         * Makefile.in (run): Add dependencies on libbfd.a and
 473         libiberity.a.
 474
 475 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 476
 477         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 478         numbers and function names in debug trace.
 479         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 480         DEBUG_LINE_NUMBER.
 481         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 482         and exit system call trap being executed.
 483
 484         * interp.c (sim_stop_reason): Set exit code correctly for stop
 485         instruction and exit system call trap.
 486
 487         * configure.in (--enable-sim-cflags): Remove trace case.
 488         (--enable-sim-debug): New switch to set the debug values.
 489         * configure: Regenerate.
 490
 491         * simops.c (trace_{input,output}_func): Rename from
 492         trace_{input,output}.
 493         (trace_{input,output}): Call trace_{input,output}_func if
 494         d10v_debug is non-zero.
 495         (SIZE_INSTRUCTION): Cut down to 8.
 496         (SIZE_OPERANDS): Cut down to 18.
 497         (SIZE_LOCATION): New value for size of line number, function name
 498         field.
 499         (init_text_p,text{,_start,_end}): New static variables for
 500         printing line number and function name.
 501         (exec_bfd): New external that run.c sets.
 502         (trace_input_func): Print line number and function name if
 503         available and if desired.
 504         (OP_4E09): Don't print out DBT message.
 505         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 506         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 507
 508 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 509
 510         * interp.c (do_2_short): If the instruction encodes jump->ins,
 511         don't do the second instruction if the jump succeeds.
 512
 513 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 514
 515         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 516         accumulators, PC, and F0/F1/C flags.
 517
 518 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 519
 520         * simops.c (OP_5F00): Fix problems with system calls.
 521
 522 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 523
 524         * simops.c (OP_5F00): Correct tracing information for trap.
 525
 526 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 527
 528         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 529
 530 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 531
 532         * simops.c (trace_output): Properly align accumulator output.
 533         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 534         if shift count is too high.
 535         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 536         (OP_4E09): Make cpfg properly trace the input flags.
 537         (op_types): Add OP_FLAG_OUTPUT.
 538         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 539         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 540         an 8-bit memory reference instruction for tracing purposes.
 541         (OP_201): Addi needs to set the carry.
 542
 543 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 544
 545         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 546         to use signed register values.
 547
 548 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 549
 550         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 551         output.
 552         (_ins_type): New enumeration to specify which container an
 553         instruction is in, and whether it is part of a parallel operation.
 554         (_state): Add ins_type field.
 555         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 556         (ins_type_counters): Counters for the various instruction types.
 557         ({left,right}_nops): Counters for the number of nops in each
 558         container.
 559         (d10v_debug): New variable to indicate whether debugging is turned
 560         on.
 561
 562         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 563         the input and output values can be traced, along with the
 564         instruction type.  Make the -t option enable tracing.
 565         (all functions): Change printf calls to use the printf_filtered
 566         function in the callback table.
 567
 568         * interp.c (_leftright): New enumeration to say whether 2 short
 569         instructions are done left first or right first.
 570         (do_{long,2_short,parallel}): Indicate in the machine state which
 571         type of instruction this is.  Count each of the types of
 572         instructions executed.
 573         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 574         flag is set.
 575         (sim_resume): Pass left/right indication to do_2_short.
 576         (all functions): Change printf calls to use the printf_filtered
 577         function in the callback table.
 578         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 579         sim_resume.
 580         (sim_info): Print out statistics on instructions.
 581         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 582         debugging.
 583         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 584         Only initialize the hash table the first time sim_open is called.
 585
 586         * Makefile.in: Make objects depend on d10v_sim.h.
 587         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 588         CFLAGS does not override host/target defines or SIM_CFLAGS.
 589         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 590         (run): By default, the math library is not needed to be linked
 591         in.
 592         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 593         overridden.
 594         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 595         makes.
 596         ({run,callback}.o): Provide explicit paths to their appropriate
 597         source directories.
 598         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 599         and linking.  Instead of linking in libopcodes.a, just compile
 600         d10v-opc.o directly to handle canadian cross.
 601         (CSEARCH): Add opcodes directory.
 602
 603         * configure.in (--enable-sim-cflags): New switch to allow user to
 604         set the defaults.
 605         (CC_FOR_BUILD): Deal with canadian crosses.
 606         * configure: Regenerate.
 607
 608 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 609
 610         * simops.c: Include correct syscall.h for d10v, not host's.
 611         Fix #ifdef SYS_stat.
 612
 613 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 614
 615         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 616         Add trap 2 to be printf and trap 3 to be putchar.
 617
 618 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 619
 620         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 621         for low-level system calls.
 622
 623 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 624
 625         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 626
 627 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 628
 629         * d10v_sim.h (SEXT32): Added.
 630         * interp.c: Commented out printfs.
 631         * simops.c:  Fixed error in sb and st2w.
 632
 633 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 634
 635         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 636         DSP instructions.  Added modulo addressing.
 637
 638 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 639
 640         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 641
 642 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 643
 644         * d10v_sim.h, simops.c: Snapshot.
 645
 646 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 647
 648         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 649         gencode.c, interp.c, simops.c: Created.
 650