sim/d10v/ChangeLog

   1 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
   4
   5         * simops.c (OP_5600): For "mvtc", save PSW.DM.
   6         (OP_5200): Ditto for "mvfc".
   7
   8 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   9
  10         * d10v_sim.h (SEXT56): Define.
  11
  12         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
  13         it is shifted.
  14
  15         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
  16         SIGNED64 macro.
  17
  18 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
  19
  20         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
  21         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
  22         don't match enum values.
  23
  24 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  25
  26         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
  27         bit rather than 16 bit precision.
  28         (OP_3C00): For "mulxu", store unsigned product in ACC.
  29         (OP_3800): For "msbu", subtract unsigned product from ACC,
  30         (OP_0): For "sub", compute carry by comparing inputs.
  31
  32 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  33
  34         * simops.c (OP_1000): For "sub2w", compute carry by comparing
  35         inputs.
  36
  37 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  38
  39         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
  40         carry indicated by value > 0xffff.
  41
  42 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  43
  44         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
  45         handled by client.
  46         (sim_resume): Fix race condition of a direct assignment to
  47         stop_simulator, conditionally call sim_stop.
  48         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
  49         stop_simulator ready for next sim_resume call.
  50         (sim_ctrl_c): Delete function.
  51
  52 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  53
  54         * interp.c (sim_resume): For "REP", only check/update the PC when
  55         a branch instruction has not been executed.
  56
  57 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  58
  59         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
  60         extend bit 44 all constants.
  61         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
  62
  63 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  64
  65         * d10v_sim.h: Include sim-types.h.
  66         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
  67         using unsigned8 et.al. from sim-types.h.
  68         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
  69         SIGNED64 macro.
  70
  71 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  72
  73         * interp.c (sim_write_phys): New function, write to physical
  74         instead of virtual memory.
  75
  76         * interp.c (sim_load): Pass lma_p and sim_write_phys to
  77         sim_load_file.
  78
  79 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
  80
  81         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
  82         exception generation code to OP_6E01.
  83         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
  84         generation code.
  85
  86 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
  87
  88         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
  89         (OP_6601): Ditto.
  90
  91 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  92
  93         * configure: Regenerated to track ../common/aclocal.m4 changes.
  94
  95 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
  96
  97         * interp.c (pc_addr): Discard upper bit(s) of PC in case
  98         IMAP1 selects unified memory.
  99         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 100         for end condition.
 101
 102 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * configure: Regenerated to track ../common/aclocal.m4 changes.
 105
 106 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 107
 108         * configure: Regenerated to track ../common/aclocal.m4 changes.
 109
 110 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 111
 112         * configure: Regenerated to track ../common/aclocal.m4 changes.
 113
 114 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 115
 116         * configure: Regenerated to track ../common/aclocal.m4 changes.
 117
 118 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 119
 120         * configure: Regenerated to track ../common/aclocal.m4 changes.
 121
 122 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 123
 124         * interp.c (sim_resume): Increment PC at end of rep
 125         loop.
 126
 127         * simops.c (OP_4201): Fix rachi instruction.
 128
 129 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 130
 131         * configure: Regenerated to track ../common/aclocal.m4 changes.
 132
 133 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 134
 135         * configure: Regenerated to track ../common/aclocal.m4 changes.
 136         * config.in: Ditto.
 137
 138 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 139
 140         * interp.c (sim_kill): Delete.
 141         (sim_create_inferior): Add ABFD argument.
 142         (sim_load): Move setting of PC from here.
 143         (sim_create_inferior): To here.
 144         (start_address): Delete variable.
 145
 146 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 147
 148         * configure: Regenerated to track ../common/aclocal.m4 changes.
 149         * config.in: Ditto.
 150
 151 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 152
 153         * interp.c (sim_open): Add ABFD argument.
 154
 155 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 156
 157         * interp.c (sim_open): Add callback argument.
 158         (sim_set_callbacks): Remove SIM_DESC argument.
 159
 160 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 161
 162         * configure: Regenerated to track ../common/aclocal.m4 changes.
 163
 164 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 165
 166         * interp.c (sim_open): Undo patch to add -E support.
 167
 168 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 169
 170         * interp.c (sim_stop): New function.
 171
 172 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 173
 174         * Makefile.in (SIM_OBJS): Add sim-load.o.
 175         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 176         * interp.c: #include bfd.h.
 177         (myname, sim_kind, start_address): New static locals.
 178         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 179         (decode_pc): Update to use prog_bfd.
 180         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 181         (sim_close): Close prog_bfd if simulator opened it.
 182         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 183         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 184         Call sim_load_file to load file into simulator.
 185         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 186
 187 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 188
 189         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 190         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 191
 192 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 193
 194         * configure: Regenerated to track ../common/aclocal.m4 changes.
 195         * config.in: Ditto.
 196
 197 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 198
 199         * interp.c (sim_open): New arg `kind'.
 200
 201         * configure: Regenerated to track ../common/aclocal.m4 changes.
 202
 203 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 204
 205         * configure: Regenerated to track ../common/aclocal.m4 changes.
 206
 207 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 208
 209         * configure: Re-generate.
 210
 211 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 212
 213         * configure: Regenerate to track ../common/aclocal.m4 changes.
 214
 215         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 216         as trap 0, which will be deprecated.  Only set errno, if an error
 217         in fact was returned.
 218
 219 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 220
 221         * interp.c: Delete redundant prototypes of sim_foo fns.
 222         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 223         (other sim_*): New SIM_DESC argument.
 224
 225 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 226
 227         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 228         callback functions.
 229         (OP_5F00): Ditto.
 230         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 231         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 232         setting the carry bit after an add or a subtract.
 233
 234 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 235
 236         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 237         40 bits of accumulators.  Sign/zero extend as appropriate.
 238
 239 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 240
 241         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 242         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 243         * configure.in: sinclude ../common/aclocal.m4.
 244         * configure: Regenerated.
 245
 246 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 247
 248         * configure configure.in Makefile.in:  Update to new configure
 249         scheme which is more compatible with WinGDB builds.
 250         * configure.in:  Improve comment on how to run autoconf.
 251         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 252         * Makefile.in:  Use autoconf substitution to install common
 253         makefile fragment.
 254
 255 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 256
 257         * gencode.c: patch to not #include "d10v_sim.h" which
 258         unecessarily includes bfd.h and causes wingdb configure
 259         to fail.
 260
 261 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 262
 263         * interp.c (xfer_mem): Change unified memory to 0x0.
 264
 265 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 266
 267         * simops.c (OP_3E01): Fix tracing information.
 268         (OP_300{0,1}): Do not propigate sign.
 269
 270 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 271
 272         * config.in (WORDS_BIGENDIAN): Add.
 273         * configure: Regenerated.
 274         * d10v_sim.h: #include "config.h"
 275
 276 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 277
 278         * gencode.c (write_opcodes): Eliminate warnings when generated
 279         table.c is compiled.
 280
 281 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 282
 283         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 284         was not returned.
 285         (dmem_addr): If address is illegal or in I/O space, signal a bus
 286         error.
 287         (pc_addr): Signal bus error, not illegal instruction for bogus
 288         pc.
 289
 290 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 291
 292         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 293         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 294         * configure.in: Simplify using macros in ../common/aclocal.m4.
 295         Call AC_CHECK_HEADERS(unistd.h).
 296         * configure: Regenerated.
 297         * config.in: New file.
 298         * interp.c: #include "callback.h".
 299         * simops.c: #include "config.h".  #include <unistd.h> if present.
 300
 301 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 302
 303         * d10v-sim.h (simops): Add flag is_long.
 304         (State): Add pc_changed.  Instructions which update the PC should
 305         use the JMP macro which sets this.
 306         (JMP): New macro.  Sets the PC and the pc_changed flag.
 307
 308         * gencode.c (write_opcodes): Add is_long field.
 309
 310         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 311         to a long opcode we could get a false match.  Check the opcode size.
 312         (hash): Add a size field to the hash table.
 313         (sim_open): Initialize size field in hash table.
 314         (sim_resume): Change to logic for setting the PC.  Used to increment the
 315         PC if it had not been changed.  This didn't allow single-instruction loops.
 316         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 317         (dmem_addr): Fix translation of data segments to unified memory.
 318         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 319
 320         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 321         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 322         a ldi.s instruction.
 323
 324 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 325
 326         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 327         updating the accumulators was overwriting other parts of the global
 328         State variable.
 329
 330 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 331
 332         * interp.c (bfd.h) Don't include it here any more.
 333         (text{,_start,_end}): Move here from simops.c and make extern.
 334         (decode_pc): New function to return the PC as an address that the
 335         debugger can use.
 336         (dmem_addr): Print decoded PC in error message.
 337         (pc_addr): Ditto.
 338
 339         * simops.c (bfd.h) Don't include it here any more.
 340         (text{,_start,_end}): Move to simops.c.
 341         (trace_input_func): Move decoding of PC, and looking up .text
 342         start to decode_pc.
 343
 344         * d10v_sim.h (bfd.h): Include it here.
 345         (text{,_start,_end}): Add external declarations.
 346         (exec_bfd): Ditto.
 347         (decode_pc): Ditto.
 348
 349 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 350
 351         * interp.c (sim_size): Now allocates unified memory for imap segments
 352         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 353         (sim_write): Just call xfer_mem().
 354         (sim_read): Just call xfer_mem().
 355         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 356         (dmem_addr): New function. Reads dmap register and translates data
 357         addresses to local addresses.
 358         (pc_addr): New function. Reads imap register and computes local address
 359         corresponding to contents of the PC.
 360         (sim_resume): Change to use pc_addr().
 361         (sim_create_inferior): Change reinitialization code. Also reinitializes
 362         imap[01] and dmap.
 363         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 364         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 365
 366         * simops.c (MEMPTR): Redefine to use dmem_addr().
 367         (OP_5F00): Replace references to STate.imem with dmem_addr().
 368
 369         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 370         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 371         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 372
 373 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 374
 375         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 376         better statistics, like not counting NOPS as parallel
 377         instructions, and printing total cycles.
 378         (ins_type_counters): Make unsigned long.
 379         (left_nops,right_nops): Fold into ins_type_counters.
 380
 381         * simops.c (trace_input_func): Print new instruction types.
 382         Handle OP_R2R3 as input types.
 383         (OP_{38000000,7000}): Correctly sign extend bytes.
 384         (OP_5E00): Don't count NOPs as parallel instructions.
 385         (OP_460B): Remove unused variable.
 386         (OP_5F00): Ditto.
 387
 388         * interp.c (ins_type_counters): Make unsigned long.
 389         (left_nops,right_nops): Delete.
 390         (most functions): Add prototypes.
 391         (INLINE): If GCC and optimize define as __inline__.
 392         ({,lookup_}hash,get_operands): Declare as INLINE.
 393         (do_parallel): Count conditional operations.
 394         (add_commas): New function, to add commas every 3 digits.
 395         (sim_size): Call add_commas to print numbers.
 396         (sim_{open,resume}): Delete unused variables.
 397         (sim_info): Provide better statistics.
 398         (sim_read): Add int return type.
 399
 400 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 401
 402         * interp.c (sim_resume): Change the way single-stepping and exceptions
 403         are handled so single-stepping works again.
 404
 405 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 406
 407         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 408         endian hosts.
 409
 410         * configure.in (--enable-sim-bswap): New switch to enable using
 411         the BSWAP instruction on x86's.
 412         * configure: Regenerate.
 413
 414         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 415         support.
 416
 417 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 418
 419         * endian.c: New file.  Move endian functions here from interp.c.
 420         Optimize code, and make it work as either inline functions or as a
 421         separate file.
 422
 423         * interp.c: Move endian functions from here to endian.c.
 424
 425         * Makefile.in (INCLUDE): Add endian.c.
 426         (run,libsim.a): Add dependency on endian.o.
 427         (endian.o): Add dependency.
 428
 429         * d10v_sim.h (read/write support): Always go through the machine
 430         independent endian functions.  If compiling with GCC and
 431         optimizing, include endian.c so the endian functions are inlined.
 432
 433         * simops.c (OP_5F00): Correct tracing of accumulators.
 434
 435 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 436
 437         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 438
 439         * interp.c (do_{2_short,parallel}): If an exception is raised,
 440         don't execute the second instruction.
 441
 442 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 443
 444         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 445         temporary in case the register is overriden when loading.
 446         (OP_6200): Output type is OP_DREG for tracing.
 447
 448 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 449
 450         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 451
 452         * interp.c (sim_size): Initialize mem_{min,max} fields.
 453         (sim_write): Update mem_{min,max} fields.
 454         (sim_resume): If PC is not in the minimum/maximum memory range,
 455         abort.
 456         (sim_create_inferior): Preserve mem_{min,max} fields.
 457
 458 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 459
 460         * simops.c (OP_5F00): Add support for time() system call.
 461
 462 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 463
 464         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 465         stored if tracing.
 466         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 467         system calls.
 468
 469 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 470
 471         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 472         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 473         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 474         to call/subroutine returns to trace the first two arguments and
 475         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 476
 477 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 478
 479         * interp.c (sim_create_inferior): Reinitialize State every time
 480         sim_create_inferior() is called.
 481
 482 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 483
 484         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 485         on comparisons.
 486         (OP_401): Fix tracing information.
 487
 488 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 489
 490         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 491         (trace_input_func): Use them.
 492         (trace_input_func): Make sure there is a trailing space after the
 493         instruction.
 494         (OP_6200): Fix tracing info.
 495
 496         * Makefile.in (run): Add dependencies on libbfd.a and
 497         libiberity.a.
 498
 499 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 500
 501         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 502         numbers and function names in debug trace.
 503         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 504         DEBUG_LINE_NUMBER.
 505         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 506         and exit system call trap being executed.
 507
 508         * interp.c (sim_stop_reason): Set exit code correctly for stop
 509         instruction and exit system call trap.
 510
 511         * configure.in (--enable-sim-cflags): Remove trace case.
 512         (--enable-sim-debug): New switch to set the debug values.
 513         * configure: Regenerate.
 514
 515         * simops.c (trace_{input,output}_func): Rename from
 516         trace_{input,output}.
 517         (trace_{input,output}): Call trace_{input,output}_func if
 518         d10v_debug is non-zero.
 519         (SIZE_INSTRUCTION): Cut down to 8.
 520         (SIZE_OPERANDS): Cut down to 18.
 521         (SIZE_LOCATION): New value for size of line number, function name
 522         field.
 523         (init_text_p,text{,_start,_end}): New static variables for
 524         printing line number and function name.
 525         (exec_bfd): New external that run.c sets.
 526         (trace_input_func): Print line number and function name if
 527         available and if desired.
 528         (OP_4E09): Don't print out DBT message.
 529         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 530         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 531
 532 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 533
 534         * interp.c (do_2_short): If the instruction encodes jump->ins,
 535         don't do the second instruction if the jump succeeds.
 536
 537 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 538
 539         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 540         accumulators, PC, and F0/F1/C flags.
 541
 542 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 543
 544         * simops.c (OP_5F00): Fix problems with system calls.
 545
 546 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 547
 548         * simops.c (OP_5F00): Correct tracing information for trap.
 549
 550 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 551
 552         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 553
 554 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 555
 556         * simops.c (trace_output): Properly align accumulator output.
 557         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 558         if shift count is too high.
 559         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 560         (OP_4E09): Make cpfg properly trace the input flags.
 561         (op_types): Add OP_FLAG_OUTPUT.
 562         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 563         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 564         an 8-bit memory reference instruction for tracing purposes.
 565         (OP_201): Addi needs to set the carry.
 566
 567 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 568
 569         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 570         to use signed register values.
 571
 572 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 573
 574         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 575         output.
 576         (_ins_type): New enumeration to specify which container an
 577         instruction is in, and whether it is part of a parallel operation.
 578         (_state): Add ins_type field.
 579         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 580         (ins_type_counters): Counters for the various instruction types.
 581         ({left,right}_nops): Counters for the number of nops in each
 582         container.
 583         (d10v_debug): New variable to indicate whether debugging is turned
 584         on.
 585
 586         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 587         the input and output values can be traced, along with the
 588         instruction type.  Make the -t option enable tracing.
 589         (all functions): Change printf calls to use the printf_filtered
 590         function in the callback table.
 591
 592         * interp.c (_leftright): New enumeration to say whether 2 short
 593         instructions are done left first or right first.
 594         (do_{long,2_short,parallel}): Indicate in the machine state which
 595         type of instruction this is.  Count each of the types of
 596         instructions executed.
 597         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 598         flag is set.
 599         (sim_resume): Pass left/right indication to do_2_short.
 600         (all functions): Change printf calls to use the printf_filtered
 601         function in the callback table.
 602         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 603         sim_resume.
 604         (sim_info): Print out statistics on instructions.
 605         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 606         debugging.
 607         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 608         Only initialize the hash table the first time sim_open is called.
 609
 610         * Makefile.in: Make objects depend on d10v_sim.h.
 611         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 612         CFLAGS does not override host/target defines or SIM_CFLAGS.
 613         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 614         (run): By default, the math library is not needed to be linked
 615         in.
 616         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 617         overridden.
 618         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 619         makes.
 620         ({run,callback}.o): Provide explicit paths to their appropriate
 621         source directories.
 622         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 623         and linking.  Instead of linking in libopcodes.a, just compile
 624         d10v-opc.o directly to handle canadian cross.
 625         (CSEARCH): Add opcodes directory.
 626
 627         * configure.in (--enable-sim-cflags): New switch to allow user to
 628         set the defaults.
 629         (CC_FOR_BUILD): Deal with canadian crosses.
 630         * configure: Regenerate.
 631
 632 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 633
 634         * simops.c: Include correct syscall.h for d10v, not host's.
 635         Fix #ifdef SYS_stat.
 636
 637 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 638
 639         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 640         Add trap 2 to be printf and trap 3 to be putchar.
 641
 642 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 643
 644         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 645         for low-level system calls.
 646
 647 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 648
 649         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 650
 651 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 652
 653         * d10v_sim.h (SEXT32): Added.
 654         * interp.c: Commented out printfs.
 655         * simops.c:  Fixed error in sb and st2w.
 656
 657 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 658
 659         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 660         DSP instructions.  Added modulo addressing.
 661
 662 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 663
 664         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 665
 666 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 667
 668         * d10v_sim.h, simops.c: Snapshot.
 669
 670 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 671
 672         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 673         gencode.c, interp.c, simops.c: Created.
 674