sim/d10v/ChangeLog

   1 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * aclocal.m4: New file.
   4         * configure: Regenerate.
   5
   6 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
   7
   8         * configure.ac: Change include to common/acinclude.m4.
   9
  10 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  11
  12         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
  13         call.  Replace common.m4 include with SIM_AC_COMMON.
  14         * configure: Regenerate.
  15
  16 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
  17
  18         * interp.c (sim_write): Add const to buffer arg.
  19
  20 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  21
  22         * configure: Regenerate.
  23
  24 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  25
  26         * config.in: Regenerate.
  27         * configure: Likewise.
  28
  29         * configure: Regenerate.
  30
  31 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
  32
  33         * configure: Regenerate to track ../common/common.m4 changes.
  34         * config.in: Ditto.
  35
  36 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
  37             Daniel Jacobowitz  <dan@codesourcery.com>
  38             Joseph Myers  <joseph@codesourcery.com>
  39
  40         * configure: Regenerate.
  41
  42 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
  43
  44         * acconfig.h: Remove.
  45         * config.in: Regenerate.
  46
  47 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
  48
  49         * configure: Regenerated.
  50
  51 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
  52
  53         * configure: Regenerated.
  54
  55 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
  56
  57         * configure: Regenerated.
  58
  59 2006-04-18  Nick Clifton  <nickc@redhat.com>
  60
  61         * interp.c (sim_stop_reason): Fix typo.
  62
  63 2005-11-28  Mark Mitchell  <mark@codesourcery.com>
  64
  65         * interp.c (gdb/signals.h): Include it.
  66         (sim_stop_reason): Use TARGET_SIGNAL_*.
  67
  68 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
  69
  70         * configure: Regenerate.
  71
  72 2005-01-14  Andrew Cagney  <cagney@gnu.org>
  73
  74         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
  75         explicit call to AC_CONFIG_HEADER.
  76         * configure: Regenerate.
  77
  78 2005-01-12  Andrew Cagney  <cagney@gnu.org>
  79
  80         * configure.ac: Update to use ../common/common.m4.
  81         * configure: Re-generate.
  82
  83 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
  84
  85         * configure: Regenerated to track ../common/aclocal.m4 changes.
  86
  87 2005-01-07  Andrew Cagney  <cagney@gnu.org>
  88
  89         * configure.ac: Rename configure.in, require autoconf 2.59.
  90         * configure: Re-generate.
  91
  92 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
  93
  94         * configure: Regenerate for ../common/aclocal.m4 update.
  95
  96 2004-06-28  Andrew Cagney  <cagney@gnu.org>
  97
  98         * interp.c (sim_resume): Rename ui_loop_hook to
  99         deprecated_ui_loop_hook.
 100
 101 2003-10-30  Andrew Cagney  <cagney@redhat.com>
 102
 103         * simops.c: Replace "struct symbol_cache_entry" with "struct
 104         bfd_symbol".
 105
 106 2003-06-22  Andrew Cagney  <cagney@redhat.com>
 107
 108         * interp.c (xfer_mem): Simplify.  Only do a single partial
 109         transfer.  Problem reported by Tom Rix.
 110
 111 2003-05-07  Andrew Cagney  <cagney@redhat.com>
 112
 113         * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
 114         (sim_d10v_translate_imap_addr): Ditto.
 115         (sim_d10v_translate_dmap_addr): Ditto.
 116         (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
 117         (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
 118         (dmap_register, imap_register): Add "regcache" parameter.
 119         (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
 120         (sim_fetch_register): Pass NULL regcache to imap_register and
 121         dmap_register.
 122
 123 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 124
 125         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
 126
 127 2002-11-13  Andrew Cagney  <cagney@redhat.com>
 128
 129         * simops.c: Include <string.h>.
 130
 131 2002-06-17  Andrew Cagney  <cagney@redhat.com>
 132
 133         * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
 134
 135 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 136
 137         * configure: Regenerated to track ../common/aclocal.m4 changes.
 138
 139 2002-06-13  Tom Rix  <trix@redhat.com>
 140
 141         * interp.c (xfer_mem): Fix transfers across multiple segments.
 142
 143 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 144
 145         * Makefile.in (INCLUDE): Update path to callback.h.
 146         * gencode.c: Do not include "callback.h".
 147         * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 148         * interp.c: Ditto.
 149
 150 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 151
 152         * interp.c (sim_fetch_register): Fix name of enum used in cast.
 153         (sim_store_register): Ditto.
 154
 155 2002-06-02  Elena Zannoni  <ezannoni@redhat.com>
 156
 157         From Jason Eckhardt <jle@redhat.com>
 158         * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
 159         less than MOD_S (post-decrement).
 160
 161 2002-06-01  Andrew Cagney  <ac131313@redhat.com>
 162
 163         * interp.c (sim_fetch_register, sim_store_register): Use a switch
 164         statement and enums from "sim-d10v.h".
 165
 166 2002-05-28  Elena Zannoni  <ezannoni@redhat.com>
 167
 168         * interp.c (sim_create_inferior): Add comment.
 169
 170         From Alan Matsuoka <alanm@redhat.com>:
 171         From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
 172         * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
 173         (OP_4401): Output "mvf0t" instead of "mf0t".
 174         (OP_460B): Do not output a flag register.
 175         (OP_4609): Do not output a flag register.
 176
 177 2002-05-23  Andrew Cagney  <ac131313@redhat.com>
 178
 179         * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
 180         * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
 181
 182 2001-08-01  John R. Moore  <jmoore@redhat.com>
 183
 184         * interp.c (sim_create_inferior): Removed a hack that stated
 185         it was setting r0/r1 with argc/argv.
 186
 187 2001-04-15  J.T. Conklin  <jtc@redback.com>
 188
 189         * Makefile.in (simops.o): Add simops.h to dependency list.
 190
 191 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 192
 193         * configure: Regenerated to track ../common/aclocal.m4 changes.
 194
 195 Tue Apr 18 16:26:41 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 196
 197         * interp.c (sim_resume): Deliver SIGILL.
 198         (lookup_hash): Do not print SIGILL message.
 199
 200 Tue Feb 22 18:24:56 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
 203         * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
 204
 205 Tue Feb  8 17:41:12 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 206
 207         * d10v_sim.h (SIG_D10V_BUS): Define.
 208
 209         * simops.c (address_exception): Delete function.
 210         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 211         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 212         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 213         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
 214         address_exception with code that sets SIG_D10V_BUS.
 215
 216         * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
 217         error to the simulator before resuming execution.
 218         (sim_trace): Check stop reason and use that to determine sim_trace
 219         return value.
 220         (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
 221         sigrc.
 222
 223 Tue Jan 18 16:07:42 MST 2000    Diego Novillo <dnovillo@cygnus.com>
 224
 225         * interp.c (sim_create_inferior): Change internal initial value for
 226         DMAP2 to 0x2000.
 227
 228 Mon Jan  3 02:06:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 229
 230         * interp.c (lookup_hash): Stop the update of the PC when there was
 231         an illegal instruction exception.
 232
 233 Mon Jan  3 00:14:33 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 234
 235         * simops.c (address_exception): New function.
 236         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 237         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 238         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 239         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 240         and "st2w" check that the address is aligned.
 241
 242 1999-12-30  Chandra Chavva   <cchavva@cygnus.com>
 243
 244         * d10v_sim.h (INC_ADDR): Added code to assign
 245         proper address for loads with predec operations.
 246
 247 1999-11-25  Nick Clifton  <nickc@cygnus.com>
 248
 249         * simops.c (OP_4E0F): New function: Simulate new bit pattern for
 250         cpfg instruction.
 251
 252 Fri Oct 29 18:34:28 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 255         DPSW and BPSW.
 256
 257 Thu Oct 28 01:26:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 258
 259         * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
 260         (PSW_HW_MASK): Declare.
 261
 262         * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
 263         (SET_CREG, SET_PSW_BIT): Update.
 264         (SET_HW_CREG, SET_HW_PSW): Define.
 265
 266 Sun Oct 24 21:38:04 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 267
 268         * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 269         for DMAP3.
 270
 271 Sun Oct 24 16:04:16 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 272
 273         * interp.c (sim_d10v_translate_addr): New function.
 274         (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
 275         (map_memory): Make INLINE.
 276
 277 Sun Oct 24 13:45:19 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 278
 279         * interp.c (sim_d10v_translate_dmap_addr): New function.
 280         (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 281         offset parameter to type uint16.
 282         * d10v_sim.h (dmem_addr): Update declaration.
 283
 284 Sun Oct 24 13:07:31 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 285
 286         * interp.c (imap_register, set_imap_register, dmap_register,
 287         set_imap_register): Use map_memory.
 288         (DMAP): Update.
 289         (sim_create_inferior): Initialize all DMAP registers.  NOTE that
 290         DMAP2, in internal memory mode, is set to 0x0000 and NOT
 291         0x2000. This is consistent with the older d10v boards.
 292
 293 Sun Oct 24 11:22:12 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 294
 295         * interp.c (sim_d10v_translate_imap_addr): New function.
 296         (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
 297         (last_from, last_to): Declare.
 298
 299 Sun Oct 24 01:21:56 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 300
 301         * d10v_sim.h (struct d10v_memory): Define.  Support very long
 302         memories.
 303         (struct _state): Replace imem, dmem and umem by mem.
 304         (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 305         DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
 306
 307         * interp.c (map_memory): New function.
 308         (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
 309         (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
 310         (IMEM_SIZEDMEM_SIZE): Delete.
 311
 312 Sat Oct 23 20:06:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 313
 314         * interp.c: Include "sim-d10v.h".
 315         (imap_register, set_imap_register, dmap_register,
 316         set_dmap_register, spi_register, spu_register, set_spi_register,
 317         set_spu_register): New functions.
 318         (sim_create_inferior): Update.
 319         (sim_fetch_register, sim_store_register): Rewrite.  Use enums
 320         defined in sim-d10v.h.
 321
 322         * d10v_sim.h (DEBUG_MEMORY): Define.
 323         (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
 324
 325 Sat Oct 23 18:41:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 326
 327         * interp.c (sim_open): Allow a debug value to be passed to the -t
 328         option.
 329         (lookup_hash): Don't exit on an illegal instruction.
 330         (do_long, do_2_short, do_parallel): Check for failed instruction
 331         lookup.
 332
 333 Mon Oct 18 18:03:24 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 334
 335         * simops.c (OP_3220): Fix trace output for illegal accumulator
 336         message.
 337
 338 1999-09-14  Nick Clifton  <nickc@cygnus.com>
 339
 340         * simops.c: Disable setting of DM bit in PSW.
 341
 342 Wed Sep  8 19:34:55 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 343
 344         * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
 345         (trace_input_func): Added support for OP_MEMREF3.
 346         (OP_32010000): New instruction ld.
 347         (OP_33010000): New instruction ld2w.
 348         (OP_5209): New instruction sac.
 349         (OP_4209): New instruction sachi.
 350         (OP_3220): New instruction slae.
 351         (OP_36010000): New instruction st.
 352         (OP_37010000): New instruction st2w.
 353
 354 1999-09-09  Stan Shebs  <shebs@andros.cygnus.com>
 355
 356         * interp.c (old_segment_mapping): New global.
 357         (xfer_mem): Change the default segment mapping to be the way
 358         that Mitsubishi prefers, but use the previous mapping if
 359         old_segment_mapping is true.
 360         (sim_open): Add an option -oldseg to get the old mapping.
 361         (sim_create_inferior): Init mapping registers based on the
 362         value of old_segment_mapping.
 363
 364 1999-09-07  Nick Clifton  <nickc@cygnus.com>
 365
 366         * simops.c (OP_6601): Do not write back decremented address if
 367         either of the destination registers was the same as the address
 368         register.
 369         (OP_6201): Do not write back incremented address if either of the
 370         destination registers was the same as the address register.
 371
 372 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 373
 374         * configure: Regenerated to track ../common/aclocal.m4 changes.
 375
 376 1999-05-08  Felix Lee  <flee@cygnus.com>
 377
 378         * configure: Regenerated to track ../common/aclocal.m4 changes.
 379
 380 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 381
 382         * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
 383         defined).
 384         (sim_resume): If the counter has expired, call the ui_loop_hook,
 385         if defined.
 386         (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
 387         ui_loop_hook calls.
 388         * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
 389
 390 Wed Mar 10 19:32:13 1999  Nick Clifton  <nickc@cygnus.com>
 391
 392         * simops.c: If load instruction with auto increment/decrement
 393         addressing is used when the destination register is the same as
 394         the address register, then ignore the auto increment/decrement.
 395
 396 Wed Mar 10 19:32:13 1999  Martin M. Hunt  <hunt@cygnus.com>
 397
 398         * simops.c (OP_5F00): Ifdef SYS_stat case because
 399         not all systems have it defined.
 400
 401 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 402
 403         * simops.c (OP_5607): Correct saturation comparison/assignment.
 404         (OP_1201, OP_1203, OP_17001200, OP_17001202,
 405          OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
 406          OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
 407
 408 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 409
 410         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
 411         comparison.
 412         (OP_5607): Ditto.
 413         (OP_2A00): Ditto.
 414         (OP_2800): Ditto.
 415
 416 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
 417
 418         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
 419         comparison.
 420
 421 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 422
 423         * simops.c (sys/syscall.h): Include targ-vals.h instead.
 424         (SYS_*): Replace with TARGET_SYS_*.
 425
 426         * Makefile.in: Add dependency on targ-vals.h.
 427         (NL_TARGET): Define as NL_TARGET_d10v.
 428
 429 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
 430
 431         * interp.c (xfer_mem): Missing break, instruction memory case
 432         flowed into unified memory case.
 433
 434 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
 435
 436         * simops.c: If load instruction with auto increment/decrement
 437         addressing is used when the destination register is the same as
 438         the address register, then ignore the auto increment/decrement.
 439
 440 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 441
 442         * configure: Regenerated to track ../common/aclocal.m4 changes.
 443
 444 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 445
 446         * configure: Regenerated to track ../common/aclocal.m4 changes.
 447         * config.in: Ditto.
 448
 449 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
 450
 451         * acconfig.h: New file.
 452         * configure.in: Reverted change of Apr 24; use sinclude again.
 453
 454 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 455
 456         * configure: Regenerated to track ../common/aclocal.m4 changes.
 457         * config.in: Ditto.
 458
 459 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
 460
 461         * configure.in: Don't call sinclude.
 462
 463 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
 464
 465         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
 466
 467         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
 468
 469 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 470
 471         * configure: Regenerated to track ../common/aclocal.m4 changes.
 472
 473 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 474
 475         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 476         up-to-date CR value.
 477         (OP_OP_1000000, add3): Trace inputs before performing add.
 478         (OP_5F00, <*>): Trace input registers before making system call.
 479         (OP_5F00, <kill>): Trace R0, R1 not REGn.
 480         (OP_5F00, <getpid>): Always return 47.
 481
 482         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 483         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 484         back slots.
 485         (struct _state): Add struct slot slot to global state variable.
 486         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 487         F0, F1, C from global State variable.
 488         (struct _state): Add struct trace to global State variable.
 489         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
 490         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
 491         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
 492         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
 493         (JMP): Re-implement. Use SET_* to update registers.
 494
 495         * interp.c: Use new SET_* et.al. macros to fetch / store
 496         registers.
 497         (get_operands): Squirrel away trace values at start of each
 498         operand decode.
 499         (do_2_short): Flush pending writes before issuing second
 500         instruction.
 501         (sim_resume): Flush pending writes at end of instruction cycle.
 502         (sim_fetch_register, sim_store_register, sim_create_inferior):
 503         After scheduling updates to registers using SET_*, flush updates.
 504         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 505         that each sets pc using SET_* and last SET_* eventually winds out.
 506
 507         * simops.c: Use new SET_* et.al. macros to fetch / store
 508         registers.
 509         (move_to_cr): Add MASK argument for selective update of CREG bits.
 510         Re-implement using new SET_* macros.
 511         (trace_output_func, trace_output): Delete. Replace with.
 512         (do_trace_output_flush, trace_output_finish, trace_output_40,
 513         trace_output_32, trace_output_16, trace_output_void,
 514         trace_output_flag): New functions.  Handle specific trace cases.
 515         (OP_*): Re-write tracing to use new trace_output_* functions.
 516         (OP_*): Re-write to use new SET_* et.al. macros.
 517         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 518         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 519
 520 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 521
 522         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 523         configure: Re-generate.
 524
 525 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 526
 527         * configure: Regenerated to track ../common/aclocal.m4 changes.
 528
 529 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 530
 531         * configure: Regenerated to track ../common/aclocal.m4 changes.
 532
 533 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 534
 535         * configure: Regenerated to track ../common/aclocal.m4 changes.
 536
 537 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 538
 539         * interp.c (sim_store_register, sim_fetch_register): Pass in
 540         length parameter.  Return -1.
 541
 542 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 543
 544         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 545         error.  Allocate unified memory on demand.  Fix DMEM address
 546         calculations.
 547
 548 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 549
 550         * simops.c (OP_5F20): Implement "dbt".
 551         (OP_5F60): Implement "rtd".
 552
 553         * d10v_sim.h (DPC_CR): Define enum.
 554         (DBT_VECTOR_START): Define
 555         (DPSW, DPC): Define.
 556
 557 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 558
 559         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 560         to PSW:SM.
 561
 562         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 563         (SP_IDX): Define.
 564
 565 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 566
 567         * simops.c (OP_5F00): Call error instead of abort for unknown
 568         syscalls.
 569
 570         * d10v_sim.h (enum): Define DPSW_CR.
 571
 572         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 573
 574 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 575
 576         * interp.c (sim_write_phys): Delete.
 577         (sim_load): Call sim_load_file with sim_write and LMA.
 578
 579 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 580
 581         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 582         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 583         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 584         memory.
 585         (pc_addr): Delete.
 586         (imem_addr): New function - translate IMEM address.
 587         (sim_resume): Use imem_addr to translate insn address, abort if
 588         translation failed.
 589         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 590         argc/argv using r0/r1 not r2/r3.
 591         (sim_size): Do not initialize IMAP/DMAP here.
 592         (sim_open): Call sim_create_inferior and sim_size to initialize
 593         the system.
 594         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 595         defaults.
 596         (init_system): Delete.
 597         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 598         init_system.
 599         (decode_pc): Check prog_bfd is defined before looking up .text
 600         section.
 601
 602 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 603
 604         * configure: Regenerated to track ../common/aclocal.m4 changes.
 605
 606 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 607
 608         * configure: Regenerated to track ../common/aclocal.m4 changes.
 609
 610 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 611
 612         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 613
 614 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 615
 616         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 617
 618         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 619         printing the registers.
 620
 621 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 622
 623         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 624         in r4.
 625         (trace_{in,out}put_func): Ditto.
 626         (OP_4900): Ditto.
 627         (OP_24800000): Ditto.
 628         (OP_4D00): Ditto.
 629         (OP_5F00): Ditto.
 630
 631 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 632
 633         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 634         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 635         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 636         reset prog_bfd_was_opened_p after closing prog_bfd.
 637         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 638         (sim_create_inferior): Get start address from abfd not prog_bfd.
 639         (xfer_mem): Do bounds checking on addresses and return zero length
 640         read/write on bad addresses, rather than aborting.  Prepare to
 641         be able to handle xfers that cross segment boundaries, but not
 642         yet implemented.  Only emit debug message when d10v_debug is
 643         set as well as DEBUG being defined.
 644
 645 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 646
 647         * configure: Regenerated to track ../common/aclocal.m4 changes.
 648
 649 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 650
 651         * configure: Regenerated to track ../common/aclocal.m4 changes.
 652         * config.in: Ditto.
 653
 654 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 655
 656         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 657         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 658
 659         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 660
 661 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 662
 663         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 664         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 665
 666         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 667         IBA for SDBT.
 668
 669         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 670         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 671
 672         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 673         use move_to_cr.
 674         (OP_5F00): For "trap", update BPSW with move_to_cr.
 675
 676 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 677
 678         * d10v_sim.h (enum): Enumerate CR register names.
 679         (enum): Enumerate PSW bit values.
 680         (PSW): Obtain value uing move_from_cr.
 681         (MOD_S, MOD_E, BPSW): Make r-values.
 682         (move_from_cr, move_to_cr): Declare functions.
 683
 684         * interp.c (sim_fetch_register, sim_store_register): Use
 685         move_from_cr and move_to_cr for CR register transfers.
 686
 687         * simops.c (move_from_cr, move_to_cr): New functions.
 688         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 689         (OP_5600): For "mvtc", use function move_to_cr.
 690         (OP_5200): For "mvfc", use function move_from_cr.
 691
 692 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 693
 694         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 695         LSbit is zero.
 696
 697 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 698
 699         * configure: Regenerated to track ../common/aclocal.m4 changes.
 700
 701 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 702
 703         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 704
 705         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 706         (OP_5200): Ditto for "mvfc".
 707
 708 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 709
 710         * d10v_sim.h (SEXT56): Define.
 711
 712         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 713         it is shifted.
 714
 715         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 716         SIGNED64 macro.
 717
 718 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 719
 720         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 721         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 722         don't match enum values.
 723
 724 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 725
 726         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 727         bit rather than 16 bit precision.
 728         (OP_3C00): For "mulxu", store unsigned product in ACC.
 729         (OP_3800): For "msbu", subtract unsigned product from ACC,
 730         (OP_0): For "sub", compute carry by comparing inputs.
 731
 732 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 733
 734         * simops.c (OP_1000): For "sub2w", compute carry by comparing
 735         inputs.
 736
 737 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 738
 739         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 740         carry indicated by value > 0xffff.
 741
 742 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 743
 744         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
 745         handled by client.
 746         (sim_resume): Fix race condition of a direct assignment to
 747         stop_simulator, conditionally call sim_stop.
 748         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 749         stop_simulator ready for next sim_resume call.
 750         (sim_ctrl_c): Delete function.
 751
 752 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 753
 754         * interp.c (sim_resume): For "REP", only check/update the PC when
 755         a branch instruction has not been executed.
 756
 757 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 758
 759         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 760         extend bit 44 all constants.
 761         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 762
 763 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 764
 765         * d10v_sim.h: Include sim-types.h.
 766         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 767         using unsigned8 et.al. from sim-types.h.
 768         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 769         SIGNED64 macro.
 770
 771 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 772
 773         * interp.c (sim_write_phys): New function, write to physical
 774         instead of virtual memory.
 775
 776         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 777         sim_load_file.
 778
 779 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 780
 781         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 782         exception generation code to OP_6E01.
 783         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 784         generation code.
 785
 786 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 787
 788         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 789         (OP_6601): Ditto.
 790
 791 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * configure: Regenerated to track ../common/aclocal.m4 changes.
 794
 795 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 796
 797         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 798         IMAP1 selects unified memory.
 799         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 800         for end condition.
 801
 802 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 803
 804         * configure: Regenerated to track ../common/aclocal.m4 changes.
 805
 806 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 807
 808         * configure: Regenerated to track ../common/aclocal.m4 changes.
 809
 810 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 811
 812         * configure: Regenerated to track ../common/aclocal.m4 changes.
 813
 814 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 815
 816         * configure: Regenerated to track ../common/aclocal.m4 changes.
 817
 818 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 819
 820         * configure: Regenerated to track ../common/aclocal.m4 changes.
 821
 822 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 823
 824         * interp.c (sim_resume): Increment PC at end of rep
 825         loop.
 826
 827         * simops.c (OP_4201): Fix rachi instruction.
 828
 829 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 830
 831         * configure: Regenerated to track ../common/aclocal.m4 changes.
 832
 833 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 834
 835         * configure: Regenerated to track ../common/aclocal.m4 changes.
 836         * config.in: Ditto.
 837
 838 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 839
 840         * interp.c (sim_kill): Delete.
 841         (sim_create_inferior): Add ABFD argument.
 842         (sim_load): Move setting of PC from here.
 843         (sim_create_inferior): To here.
 844         (start_address): Delete variable.
 845
 846 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 847
 848         * configure: Regenerated to track ../common/aclocal.m4 changes.
 849         * config.in: Ditto.
 850
 851 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 852
 853         * interp.c (sim_open): Add ABFD argument.
 854
 855 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 856
 857         * interp.c (sim_open): Add callback argument.
 858         (sim_set_callbacks): Remove SIM_DESC argument.
 859
 860 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 861
 862         * configure: Regenerated to track ../common/aclocal.m4 changes.
 863
 864 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 865
 866         * interp.c (sim_open): Undo patch to add -E support.
 867
 868 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 869
 870         * interp.c (sim_stop): New function.
 871
 872 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 873
 874         * Makefile.in (SIM_OBJS): Add sim-load.o.
 875         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 876         * interp.c: #include bfd.h.
 877         (myname, sim_kind, start_address): New static locals.
 878         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 879         (decode_pc): Update to use prog_bfd.
 880         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 881         (sim_close): Close prog_bfd if simulator opened it.
 882         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 883         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 884         Call sim_load_file to load file into simulator.
 885         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 886
 887 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 888
 889         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 890         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 891
 892 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 893
 894         * configure: Regenerated to track ../common/aclocal.m4 changes.
 895         * config.in: Ditto.
 896
 897 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 898
 899         * interp.c (sim_open): New arg `kind'.
 900
 901         * configure: Regenerated to track ../common/aclocal.m4 changes.
 902
 903 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 904
 905         * configure: Regenerated to track ../common/aclocal.m4 changes.
 906
 907 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 908
 909         * configure: Re-generate.
 910
 911 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 912
 913         * configure: Regenerate to track ../common/aclocal.m4 changes.
 914
 915         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 916         as trap 0, which will be deprecated.  Only set errno, if an error
 917         in fact was returned.
 918
 919 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 920
 921         * interp.c: Delete redundant prototypes of sim_foo fns.
 922         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 923         (other sim_*): New SIM_DESC argument.
 924
 925 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 926
 927         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 928         callback functions.
 929         (OP_5F00): Ditto.
 930         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 931         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 932         setting the carry bit after an add or a subtract.
 933
 934 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 935
 936         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 937         40 bits of accumulators.  Sign/zero extend as appropriate.
 938
 939 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 940
 941         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 942         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 943         * configure.in: sinclude ../common/aclocal.m4.
 944         * configure: Regenerated.
 945
 946 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 947
 948         * configure configure.in Makefile.in:  Update to new configure
 949         scheme which is more compatible with WinGDB builds.
 950         * configure.in:  Improve comment on how to run autoconf.
 951         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 952         * Makefile.in:  Use autoconf substitution to install common
 953         makefile fragment.
 954
 955 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 956
 957         * gencode.c: patch to not #include "d10v_sim.h" which
 958         unecessarily includes bfd.h and causes wingdb configure
 959         to fail.
 960
 961 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 962
 963         * interp.c (xfer_mem): Change unified memory to 0x0.
 964
 965 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 966
 967         * simops.c (OP_3E01): Fix tracing information.
 968         (OP_300{0,1}): Do not propigate sign.
 969
 970 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 971
 972         * config.in (WORDS_BIGENDIAN): Add.
 973         * configure: Regenerated.
 974         * d10v_sim.h: #include "config.h"
 975
 976 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 977
 978         * gencode.c (write_opcodes): Eliminate warnings when generated
 979         table.c is compiled.
 980
 981 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 982
 983         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 984         was not returned.
 985         (dmem_addr): If address is illegal or in I/O space, signal a bus
 986         error.
 987         (pc_addr): Signal bus error, not illegal instruction for bogus
 988         pc.
 989
 990 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 991
 992         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 993         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 994         * configure.in: Simplify using macros in ../common/aclocal.m4.
 995         Call AC_CHECK_HEADERS(unistd.h).
 996         * configure: Regenerated.
 997         * config.in: New file.
 998         * interp.c: #include "callback.h".
 999         * simops.c: #include "config.h".  #include <unistd.h> if present.
1000
1001 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1002
1003         * d10v-sim.h (simops): Add flag is_long.
1004         (State): Add pc_changed.  Instructions which update the PC should
1005         use the JMP macro which sets this.
1006         (JMP): New macro.  Sets the PC and the pc_changed flag.
1007
1008         * gencode.c (write_opcodes): Add is_long field.
1009
1010         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1011         to a long opcode we could get a false match.  Check the opcode size.
1012         (hash): Add a size field to the hash table.
1013         (sim_open): Initialize size field in hash table.
1014         (sim_resume): Change to logic for setting the PC.  Used to increment the
1015         PC if it had not been changed.  This didn't allow single-instruction loops.
1016         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
1017         (dmem_addr): Fix translation of data segments to unified memory.
1018         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
1019
1020         * simops.c: Changed all branch and jump instructions to use new JMP macro.
1021         (OP_20000000): Corrected trace information to show this is a ldi.l, not
1022         a ldi.s instruction.
1023
1024 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1025
1026         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1027         updating the accumulators was overwriting other parts of the global
1028         State variable.
1029
1030 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1031
1032         * interp.c (bfd.h) Don't include it here any more.
1033         (text{,_start,_end}): Move here from simops.c and make extern.
1034         (decode_pc): New function to return the PC as an address that the
1035         debugger can use.
1036         (dmem_addr): Print decoded PC in error message.
1037         (pc_addr): Ditto.
1038
1039         * simops.c (bfd.h) Don't include it here any more.
1040         (text{,_start,_end}): Move to simops.c.
1041         (trace_input_func): Move decoding of PC, and looking up .text
1042         start to decode_pc.
1043
1044         * d10v_sim.h (bfd.h): Include it here.
1045         (text{,_start,_end}): Add external declarations.
1046         (exec_bfd): Ditto.
1047         (decode_pc): Ditto.
1048
1049 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1050
1051         * interp.c (sim_size): Now allocates unified memory for imap segments
1052         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1053         (sim_write): Just call xfer_mem().
1054         (sim_read): Just call xfer_mem().
1055         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1056         (dmem_addr): New function. Reads dmap register and translates data
1057         addresses to local addresses.
1058         (pc_addr): New function. Reads imap register and computes local address
1059         corresponding to contents of the PC.
1060         (sim_resume): Change to use pc_addr().
1061         (sim_create_inferior): Change reinitialization code. Also reinitializes
1062         imap[01] and dmap.
1063         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1064         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1065
1066         * simops.c (MEMPTR): Redefine to use dmem_addr().
1067         (OP_5F00): Replace references to STate.imem with dmem_addr().
1068
1069         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1070         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1071         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1072
1073 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1074
1075         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1076         better statistics, like not counting NOPS as parallel
1077         instructions, and printing total cycles.
1078         (ins_type_counters): Make unsigned long.
1079         (left_nops,right_nops): Fold into ins_type_counters.
1080
1081         * simops.c (trace_input_func): Print new instruction types.
1082         Handle OP_R2R3 as input types.
1083         (OP_{38000000,7000}): Correctly sign extend bytes.
1084         (OP_5E00): Don't count NOPs as parallel instructions.
1085         (OP_460B): Remove unused variable.
1086         (OP_5F00): Ditto.
1087
1088         * interp.c (ins_type_counters): Make unsigned long.
1089         (left_nops,right_nops): Delete.
1090         (most functions): Add prototypes.
1091         (INLINE): If GCC and optimize define as __inline__.
1092         ({,lookup_}hash,get_operands): Declare as INLINE.
1093         (do_parallel): Count conditional operations.
1094         (add_commas): New function, to add commas every 3 digits.
1095         (sim_size): Call add_commas to print numbers.
1096         (sim_{open,resume}): Delete unused variables.
1097         (sim_info): Provide better statistics.
1098         (sim_read): Add int return type.
1099
1100 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1101
1102         * interp.c (sim_resume): Change the way single-stepping and exceptions
1103         are handled so single-stepping works again.
1104
1105 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1106
1107         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1108         endian hosts.
1109
1110         * configure.in (--enable-sim-bswap): New switch to enable using
1111         the BSWAP instruction on x86's.
1112         * configure: Regenerate.
1113
1114         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1115         support.
1116
1117 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1118
1119         * endian.c: New file.  Move endian functions here from interp.c.
1120         Optimize code, and make it work as either inline functions or as a
1121         separate file.
1122
1123         * interp.c: Move endian functions from here to endian.c.
1124
1125         * Makefile.in (INCLUDE): Add endian.c.
1126         (run,libsim.a): Add dependency on endian.o.
1127         (endian.o): Add dependency.
1128
1129         * d10v_sim.h (read/write support): Always go through the machine
1130         independent endian functions.  If compiling with GCC and
1131         optimizing, include endian.c so the endian functions are inlined.
1132
1133         * simops.c (OP_5F00): Correct tracing of accumulators.
1134
1135 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1136
1137         * simops.c (OP_5F00): Add support for getpid, kill system calls.
1138
1139         * interp.c (do_{2_short,parallel}): If an exception is raised,
1140         don't execute the second instruction.
1141
1142 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1143
1144         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1145         temporary in case the register is overriden when loading.
1146         (OP_6200): Output type is OP_DREG for tracing.
1147
1148 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1149
1150         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1151
1152         * interp.c (sim_size): Initialize mem_{min,max} fields.
1153         (sim_write): Update mem_{min,max} fields.
1154         (sim_resume): If PC is not in the minimum/maximum memory range,
1155         abort.
1156         (sim_create_inferior): Preserve mem_{min,max} fields.
1157
1158 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
1159
1160         * simops.c (OP_5F00): Add support for time() system call.
1161
1162 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1163
1164         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1165         stored if tracing.
1166         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1167         system calls.
1168
1169 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1170
1171         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1172         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1173         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1174         to call/subroutine returns to trace the first two arguments and
1175         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1176
1177 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1178
1179         * interp.c (sim_create_inferior): Reinitialize State every time
1180         sim_create_inferior() is called.
1181
1182 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
1183
1184         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1185         on comparisons.
1186         (OP_401): Fix tracing information.
1187
1188 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1189
1190         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1191         (trace_input_func): Use them.
1192         (trace_input_func): Make sure there is a trailing space after the
1193         instruction.
1194         (OP_6200): Fix tracing info.
1195
1196         * Makefile.in (run): Add dependencies on libbfd.a and
1197         libiberity.a.
1198
1199 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1200
1201         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1202         numbers and function names in debug trace.
1203         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1204         DEBUG_LINE_NUMBER.
1205         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1206         and exit system call trap being executed.
1207
1208         * interp.c (sim_stop_reason): Set exit code correctly for stop
1209         instruction and exit system call trap.
1210
1211         * configure.in (--enable-sim-cflags): Remove trace case.
1212         (--enable-sim-debug): New switch to set the debug values.
1213         * configure: Regenerate.
1214
1215         * simops.c (trace_{input,output}_func): Rename from
1216         trace_{input,output}.
1217         (trace_{input,output}): Call trace_{input,output}_func if
1218         d10v_debug is non-zero.
1219         (SIZE_INSTRUCTION): Cut down to 8.
1220         (SIZE_OPERANDS): Cut down to 18.
1221         (SIZE_LOCATION): New value for size of line number, function name
1222         field.
1223         (init_text_p,text{,_start,_end}): New static variables for
1224         printing line number and function name.
1225         (exec_bfd): New external that run.c sets.
1226         (trace_input_func): Print line number and function name if
1227         available and if desired.
1228         (OP_4E09): Don't print out DBT message.
1229         (OP_5FE0): Set exception field to SIG_D10V_STOP.
1230         (OP_5F00): Set exception field to SIG_D10V_EXIT.
1231
1232 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1233
1234         * interp.c (do_2_short): If the instruction encodes jump->ins,
1235         don't do the second instruction if the jump succeeds.
1236
1237 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1238
1239         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1240         accumulators, PC, and F0/F1/C flags.
1241
1242 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
1243
1244         * simops.c (OP_5F00): Fix problems with system calls.
1245
1246 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1247
1248         * simops.c (OP_5F00): Correct tracing information for trap.
1249
1250 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1251
1252         * Makefile.in (CSEARCH): Correctly find opcodes directory.
1253
1254 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1255
1256         * simops.c (trace_output): Properly align accumulator output.
1257         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1258         if shift count is too high.
1259         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1260         (OP_4E09): Make cpfg properly trace the input flags.
1261         (op_types): Add OP_FLAG_OUTPUT.
1262         (trace_{input,output}): Support OP_FLAG_OUTPUT.
1263         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1264         an 8-bit memory reference instruction for tracing purposes.
1265         (OP_201): Addi needs to set the carry.
1266
1267 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1268
1269         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1270         to use signed register values.
1271
1272 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1273
1274         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1275         output.
1276         (_ins_type): New enumeration to specify which container an
1277         instruction is in, and whether it is part of a parallel operation.
1278         (_state): Add ins_type field.
1279         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1280         (ins_type_counters): Counters for the various instruction types.
1281         ({left,right}_nops): Counters for the number of nops in each
1282         container.
1283         (d10v_debug): New variable to indicate whether debugging is turned
1284         on.
1285
1286         * simops.c: (all functions): Change all #ifdef DEBUG code so that
1287         the input and output values can be traced, along with the
1288         instruction type.  Make the -t option enable tracing.
1289         (all functions): Change printf calls to use the printf_filtered
1290         function in the callback table.
1291
1292         * interp.c (_leftright): New enumeration to say whether 2 short
1293         instructions are done left first or right first.
1294         (do_{long,2_short,parallel}): Indicate in the machine state which
1295         type of instruction this is.  Count each of the types of
1296         instructions executed.
1297         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1298         flag is set.
1299         (sim_resume): Pass left/right indication to do_2_short.
1300         (all functions): Change printf calls to use the printf_filtered
1301         function in the callback table.
1302         (sim_trace): Turn on debug flag if DEBUG was defined, and call
1303         sim_resume.
1304         (sim_info): Print out statistics on instructions.
1305         (sim_{trace,create_inferior}): Eliminate extraneous output unless
1306         debugging.
1307         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1308         Only initialize the hash table the first time sim_open is called.
1309
1310         * Makefile.in: Make objects depend on d10v_sim.h.
1311         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1312         CFLAGS does not override host/target defines or SIM_CFLAGS.
1313         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1314         (run): By default, the math library is not needed to be linked
1315         in.
1316         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1317         overridden.
1318         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1319         makes.
1320         ({run,callback}.o): Provide explicit paths to their appropriate
1321         source directories.
1322         (gencode{,.o},d10v-opc.o): Split compilation into creating object
1323         and linking.  Instead of linking in libopcodes.a, just compile
1324         d10v-opc.o directly to handle canadian cross.
1325         (CSEARCH): Add opcodes directory.
1326
1327         * configure.in (--enable-sim-cflags): New switch to allow user to
1328         set the defaults.
1329         (CC_FOR_BUILD): Deal with canadian crosses.
1330         * configure: Regenerate.
1331
1332 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
1333
1334         * simops.c: Include correct syscall.h for d10v, not host's.
1335         Fix #ifdef SYS_stat.
1336
1337 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1338
1339         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1340         Add trap 2 to be printf and trap 3 to be putchar.
1341
1342 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
1343
1344         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1345         for low-level system calls.
1346
1347 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1348
1349         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1350
1351 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1352
1353         * d10v_sim.h (SEXT32): Added.
1354         * interp.c: Commented out printfs.
1355         * simops.c:  Fixed error in sb and st2w.
1356
1357 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1358
1359         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1360         DSP instructions.  Added modulo addressing.
1361
1362 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1363
1364         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1365
1366 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1367
1368         * d10v_sim.h, simops.c: Snapshot.
1369
1370 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1371
1372         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1373         gencode.c, interp.c, simops.c: Created.
1374