sim/d10v/ChangeLog

   1 2012-06-19  Joel Brobecker  <brobecker@adacore.com>
   2
   3         * interp.c: #include "config.h" instead of "sysdep.h".
   4         Add conditional include of string.h or strings.h, as well as
   5         conditional include of stdlib.h.
   6
   7 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
   8
   9         * config.in, configure: Regenerate.
  10
  11 2012-05-24  Pedro Alves  <palves@redhat.com>
  12
  13         PR gdb/7205
  14
  15         Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
  16
  17 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
  18
  19         * aclocal.m4, config.in, configure: Regenerate.
  20
  21 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
  22
  23         * aclocal.m4: New file.
  24         * configure: Regenerate.
  25
  26 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  27
  28         * configure.ac: Change include to common/acinclude.m4.
  29
  30 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  31
  32         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
  33         call.  Replace common.m4 include with SIM_AC_COMMON.
  34         * configure: Regenerate.
  35
  36 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
  37
  38         * interp.c (sim_write): Add const to buffer arg.
  39
  40 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  41
  42         * configure: Regenerate.
  43
  44 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  45
  46         * config.in: Regenerate.
  47         * configure: Likewise.
  48
  49         * configure: Regenerate.
  50
  51 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
  52
  53         * configure: Regenerate to track ../common/common.m4 changes.
  54         * config.in: Ditto.
  55
  56 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
  57             Daniel Jacobowitz  <dan@codesourcery.com>
  58             Joseph Myers  <joseph@codesourcery.com>
  59
  60         * configure: Regenerate.
  61
  62 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
  63
  64         * acconfig.h: Remove.
  65         * config.in: Regenerate.
  66
  67 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
  68
  69         * configure: Regenerated.
  70
  71 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
  72
  73         * configure: Regenerated.
  74
  75 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
  76
  77         * configure: Regenerated.
  78
  79 2006-04-18  Nick Clifton  <nickc@redhat.com>
  80
  81         * interp.c (sim_stop_reason): Fix typo.
  82
  83 2005-11-28  Mark Mitchell  <mark@codesourcery.com>
  84
  85         * interp.c (gdb/signals.h): Include it.
  86         (sim_stop_reason): Use TARGET_SIGNAL_*.
  87
  88 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
  89
  90         * configure: Regenerate.
  91
  92 2005-01-14  Andrew Cagney  <cagney@gnu.org>
  93
  94         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
  95         explicit call to AC_CONFIG_HEADER.
  96         * configure: Regenerate.
  97
  98 2005-01-12  Andrew Cagney  <cagney@gnu.org>
  99
 100         * configure.ac: Update to use ../common/common.m4.
 101         * configure: Re-generate.
 102
 103 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 104
 105         * configure: Regenerated to track ../common/aclocal.m4 changes.
 106
 107 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 108
 109         * configure.ac: Rename configure.in, require autoconf 2.59.
 110         * configure: Re-generate.
 111
 112 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 113
 114         * configure: Regenerate for ../common/aclocal.m4 update.
 115
 116 2004-06-28  Andrew Cagney  <cagney@gnu.org>
 117
 118         * interp.c (sim_resume): Rename ui_loop_hook to
 119         deprecated_ui_loop_hook.
 120
 121 2003-10-30  Andrew Cagney  <cagney@redhat.com>
 122
 123         * simops.c: Replace "struct symbol_cache_entry" with "struct
 124         bfd_symbol".
 125
 126 2003-06-22  Andrew Cagney  <cagney@redhat.com>
 127
 128         * interp.c (xfer_mem): Simplify.  Only do a single partial
 129         transfer.  Problem reported by Tom Rix.
 130
 131 2003-05-07  Andrew Cagney  <cagney@redhat.com>
 132
 133         * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
 134         (sim_d10v_translate_imap_addr): Ditto.
 135         (sim_d10v_translate_dmap_addr): Ditto.
 136         (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
 137         (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
 138         (dmap_register, imap_register): Add "regcache" parameter.
 139         (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
 140         (sim_fetch_register): Pass NULL regcache to imap_register and
 141         dmap_register.
 142
 143 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 144
 145         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
 146
 147 2002-11-13  Andrew Cagney  <cagney@redhat.com>
 148
 149         * simops.c: Include <string.h>.
 150
 151 2002-06-17  Andrew Cagney  <cagney@redhat.com>
 152
 153         * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
 154
 155 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 156
 157         * configure: Regenerated to track ../common/aclocal.m4 changes.
 158
 159 2002-06-13  Tom Rix  <trix@redhat.com>
 160
 161         * interp.c (xfer_mem): Fix transfers across multiple segments.
 162
 163 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 164
 165         * Makefile.in (INCLUDE): Update path to callback.h.
 166         * gencode.c: Do not include "callback.h".
 167         * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 168         * interp.c: Ditto.
 169
 170 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 171
 172         * interp.c (sim_fetch_register): Fix name of enum used in cast.
 173         (sim_store_register): Ditto.
 174
 175 2002-06-02  Elena Zannoni  <ezannoni@redhat.com>
 176
 177         From Jason Eckhardt <jle@redhat.com>
 178         * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
 179         less than MOD_S (post-decrement).
 180
 181 2002-06-01  Andrew Cagney  <ac131313@redhat.com>
 182
 183         * interp.c (sim_fetch_register, sim_store_register): Use a switch
 184         statement and enums from "sim-d10v.h".
 185
 186 2002-05-28  Elena Zannoni  <ezannoni@redhat.com>
 187
 188         * interp.c (sim_create_inferior): Add comment.
 189
 190         From Alan Matsuoka <alanm@redhat.com>:
 191         From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
 192         * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
 193         (OP_4401): Output "mvf0t" instead of "mf0t".
 194         (OP_460B): Do not output a flag register.
 195         (OP_4609): Do not output a flag register.
 196
 197 2002-05-23  Andrew Cagney  <ac131313@redhat.com>
 198
 199         * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
 200         * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
 201
 202 2001-08-01  John R. Moore  <jmoore@redhat.com>
 203
 204         * interp.c (sim_create_inferior): Removed a hack that stated
 205         it was setting r0/r1 with argc/argv.
 206
 207 2001-04-15  J.T. Conklin  <jtc@redback.com>
 208
 209         * Makefile.in (simops.o): Add simops.h to dependency list.
 210
 211 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 212
 213         * configure: Regenerated to track ../common/aclocal.m4 changes.
 214
 215 Tue Apr 18 16:26:41 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 216
 217         * interp.c (sim_resume): Deliver SIGILL.
 218         (lookup_hash): Do not print SIGILL message.
 219
 220 Tue Feb 22 18:24:56 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
 223         * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
 224
 225 Tue Feb  8 17:41:12 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 226
 227         * d10v_sim.h (SIG_D10V_BUS): Define.
 228
 229         * simops.c (address_exception): Delete function.
 230         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 231         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 232         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 233         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
 234         address_exception with code that sets SIG_D10V_BUS.
 235
 236         * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
 237         error to the simulator before resuming execution.
 238         (sim_trace): Check stop reason and use that to determine sim_trace
 239         return value.
 240         (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
 241         sigrc.
 242
 243 Tue Jan 18 16:07:42 MST 2000    Diego Novillo <dnovillo@cygnus.com>
 244
 245         * interp.c (sim_create_inferior): Change internal initial value for
 246         DMAP2 to 0x2000.
 247
 248 Mon Jan  3 02:06:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 249
 250         * interp.c (lookup_hash): Stop the update of the PC when there was
 251         an illegal instruction exception.
 252
 253 Mon Jan  3 00:14:33 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 254
 255         * simops.c (address_exception): New function.
 256         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 257         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 258         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 259         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 260         and "st2w" check that the address is aligned.
 261
 262 1999-12-30  Chandra Chavva   <cchavva@cygnus.com>
 263
 264         * d10v_sim.h (INC_ADDR): Added code to assign
 265         proper address for loads with predec operations.
 266
 267 1999-11-25  Nick Clifton  <nickc@cygnus.com>
 268
 269         * simops.c (OP_4E0F): New function: Simulate new bit pattern for
 270         cpfg instruction.
 271
 272 Fri Oct 29 18:34:28 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 273
 274         * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 275         DPSW and BPSW.
 276
 277 Thu Oct 28 01:26:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 278
 279         * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
 280         (PSW_HW_MASK): Declare.
 281
 282         * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
 283         (SET_CREG, SET_PSW_BIT): Update.
 284         (SET_HW_CREG, SET_HW_PSW): Define.
 285
 286 Sun Oct 24 21:38:04 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 287
 288         * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 289         for DMAP3.
 290
 291 Sun Oct 24 16:04:16 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 292
 293         * interp.c (sim_d10v_translate_addr): New function.
 294         (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
 295         (map_memory): Make INLINE.
 296
 297 Sun Oct 24 13:45:19 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * interp.c (sim_d10v_translate_dmap_addr): New function.
 300         (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 301         offset parameter to type uint16.
 302         * d10v_sim.h (dmem_addr): Update declaration.
 303
 304 Sun Oct 24 13:07:31 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 305
 306         * interp.c (imap_register, set_imap_register, dmap_register,
 307         set_imap_register): Use map_memory.
 308         (DMAP): Update.
 309         (sim_create_inferior): Initialize all DMAP registers.  NOTE that
 310         DMAP2, in internal memory mode, is set to 0x0000 and NOT
 311         0x2000. This is consistent with the older d10v boards.
 312
 313 Sun Oct 24 11:22:12 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 314
 315         * interp.c (sim_d10v_translate_imap_addr): New function.
 316         (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
 317         (last_from, last_to): Declare.
 318
 319 Sun Oct 24 01:21:56 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 320
 321         * d10v_sim.h (struct d10v_memory): Define.  Support very long
 322         memories.
 323         (struct _state): Replace imem, dmem and umem by mem.
 324         (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 325         DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
 326
 327         * interp.c (map_memory): New function.
 328         (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
 329         (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
 330         (IMEM_SIZEDMEM_SIZE): Delete.
 331
 332 Sat Oct 23 20:06:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 333
 334         * interp.c: Include "sim-d10v.h".
 335         (imap_register, set_imap_register, dmap_register,
 336         set_dmap_register, spi_register, spu_register, set_spi_register,
 337         set_spu_register): New functions.
 338         (sim_create_inferior): Update.
 339         (sim_fetch_register, sim_store_register): Rewrite.  Use enums
 340         defined in sim-d10v.h.
 341
 342         * d10v_sim.h (DEBUG_MEMORY): Define.
 343         (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
 344
 345 Sat Oct 23 18:41:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 346
 347         * interp.c (sim_open): Allow a debug value to be passed to the -t
 348         option.
 349         (lookup_hash): Don't exit on an illegal instruction.
 350         (do_long, do_2_short, do_parallel): Check for failed instruction
 351         lookup.
 352
 353 Mon Oct 18 18:03:24 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 354
 355         * simops.c (OP_3220): Fix trace output for illegal accumulator
 356         message.
 357
 358 1999-09-14  Nick Clifton  <nickc@cygnus.com>
 359
 360         * simops.c: Disable setting of DM bit in PSW.
 361
 362 Wed Sep  8 19:34:55 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 363
 364         * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
 365         (trace_input_func): Added support for OP_MEMREF3.
 366         (OP_32010000): New instruction ld.
 367         (OP_33010000): New instruction ld2w.
 368         (OP_5209): New instruction sac.
 369         (OP_4209): New instruction sachi.
 370         (OP_3220): New instruction slae.
 371         (OP_36010000): New instruction st.
 372         (OP_37010000): New instruction st2w.
 373
 374 1999-09-09  Stan Shebs  <shebs@andros.cygnus.com>
 375
 376         * interp.c (old_segment_mapping): New global.
 377         (xfer_mem): Change the default segment mapping to be the way
 378         that Mitsubishi prefers, but use the previous mapping if
 379         old_segment_mapping is true.
 380         (sim_open): Add an option -oldseg to get the old mapping.
 381         (sim_create_inferior): Init mapping registers based on the
 382         value of old_segment_mapping.
 383
 384 1999-09-07  Nick Clifton  <nickc@cygnus.com>
 385
 386         * simops.c (OP_6601): Do not write back decremented address if
 387         either of the destination registers was the same as the address
 388         register.
 389         (OP_6201): Do not write back incremented address if either of the
 390         destination registers was the same as the address register.
 391
 392 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 393
 394         * configure: Regenerated to track ../common/aclocal.m4 changes.
 395
 396 1999-05-08  Felix Lee  <flee@cygnus.com>
 397
 398         * configure: Regenerated to track ../common/aclocal.m4 changes.
 399
 400 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 401
 402         * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
 403         defined).
 404         (sim_resume): If the counter has expired, call the ui_loop_hook,
 405         if defined.
 406         (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
 407         ui_loop_hook calls.
 408         * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
 409
 410 Wed Mar 10 19:32:13 1999  Nick Clifton  <nickc@cygnus.com>
 411
 412         * simops.c: If load instruction with auto increment/decrement
 413         addressing is used when the destination register is the same as
 414         the address register, then ignore the auto increment/decrement.
 415
 416 Wed Mar 10 19:32:13 1999  Martin M. Hunt  <hunt@cygnus.com>
 417
 418         * simops.c (OP_5F00): Ifdef SYS_stat case because
 419         not all systems have it defined.
 420
 421 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 422
 423         * simops.c (OP_5607): Correct saturation comparison/assignment.
 424         (OP_1201, OP_1203, OP_17001200, OP_17001202,
 425          OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
 426          OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
 427
 428 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 429
 430         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
 431         comparison.
 432         (OP_5607): Ditto.
 433         (OP_2A00): Ditto.
 434         (OP_2800): Ditto.
 435
 436 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
 437
 438         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
 439         comparison.
 440
 441 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 442
 443         * simops.c (sys/syscall.h): Include targ-vals.h instead.
 444         (SYS_*): Replace with TARGET_SYS_*.
 445
 446         * Makefile.in: Add dependency on targ-vals.h.
 447         (NL_TARGET): Define as NL_TARGET_d10v.
 448
 449 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
 450
 451         * interp.c (xfer_mem): Missing break, instruction memory case
 452         flowed into unified memory case.
 453
 454 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
 455
 456         * simops.c: If load instruction with auto increment/decrement
 457         addressing is used when the destination register is the same as
 458         the address register, then ignore the auto increment/decrement.
 459
 460 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 461
 462         * configure: Regenerated to track ../common/aclocal.m4 changes.
 463
 464 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 465
 466         * configure: Regenerated to track ../common/aclocal.m4 changes.
 467         * config.in: Ditto.
 468
 469 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
 470
 471         * acconfig.h: New file.
 472         * configure.in: Reverted change of Apr 24; use sinclude again.
 473
 474 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 475
 476         * configure: Regenerated to track ../common/aclocal.m4 changes.
 477         * config.in: Ditto.
 478
 479 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
 480
 481         * configure.in: Don't call sinclude.
 482
 483 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
 484
 485         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
 486
 487         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
 488
 489 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 490
 491         * configure: Regenerated to track ../common/aclocal.m4 changes.
 492
 493 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 494
 495         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 496         up-to-date CR value.
 497         (OP_OP_1000000, add3): Trace inputs before performing add.
 498         (OP_5F00, <*>): Trace input registers before making system call.
 499         (OP_5F00, <kill>): Trace R0, R1 not REGn.
 500         (OP_5F00, <getpid>): Always return 47.
 501
 502         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 503         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 504         back slots.
 505         (struct _state): Add struct slot slot to global state variable.
 506         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 507         F0, F1, C from global State variable.
 508         (struct _state): Add struct trace to global State variable.
 509         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
 510         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
 511         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
 512         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
 513         (JMP): Re-implement. Use SET_* to update registers.
 514
 515         * interp.c: Use new SET_* et.al. macros to fetch / store
 516         registers.
 517         (get_operands): Squirrel away trace values at start of each
 518         operand decode.
 519         (do_2_short): Flush pending writes before issuing second
 520         instruction.
 521         (sim_resume): Flush pending writes at end of instruction cycle.
 522         (sim_fetch_register, sim_store_register, sim_create_inferior):
 523         After scheduling updates to registers using SET_*, flush updates.
 524         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 525         that each sets pc using SET_* and last SET_* eventually winds out.
 526
 527         * simops.c: Use new SET_* et.al. macros to fetch / store
 528         registers.
 529         (move_to_cr): Add MASK argument for selective update of CREG bits.
 530         Re-implement using new SET_* macros.
 531         (trace_output_func, trace_output): Delete. Replace with.
 532         (do_trace_output_flush, trace_output_finish, trace_output_40,
 533         trace_output_32, trace_output_16, trace_output_void,
 534         trace_output_flag): New functions.  Handle specific trace cases.
 535         (OP_*): Re-write tracing to use new trace_output_* functions.
 536         (OP_*): Re-write to use new SET_* et.al. macros.
 537         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 538         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 539
 540 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 541
 542         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 543         configure: Re-generate.
 544
 545 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 546
 547         * configure: Regenerated to track ../common/aclocal.m4 changes.
 548
 549 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 550
 551         * configure: Regenerated to track ../common/aclocal.m4 changes.
 552
 553 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 554
 555         * configure: Regenerated to track ../common/aclocal.m4 changes.
 556
 557 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 558
 559         * interp.c (sim_store_register, sim_fetch_register): Pass in
 560         length parameter.  Return -1.
 561
 562 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 563
 564         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 565         error.  Allocate unified memory on demand.  Fix DMEM address
 566         calculations.
 567
 568 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 569
 570         * simops.c (OP_5F20): Implement "dbt".
 571         (OP_5F60): Implement "rtd".
 572
 573         * d10v_sim.h (DPC_CR): Define enum.
 574         (DBT_VECTOR_START): Define
 575         (DPSW, DPC): Define.
 576
 577 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 578
 579         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 580         to PSW:SM.
 581
 582         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 583         (SP_IDX): Define.
 584
 585 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 586
 587         * simops.c (OP_5F00): Call error instead of abort for unknown
 588         syscalls.
 589
 590         * d10v_sim.h (enum): Define DPSW_CR.
 591
 592         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 593
 594 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 595
 596         * interp.c (sim_write_phys): Delete.
 597         (sim_load): Call sim_load_file with sim_write and LMA.
 598
 599 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 600
 601         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 602         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 603         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 604         memory.
 605         (pc_addr): Delete.
 606         (imem_addr): New function - translate IMEM address.
 607         (sim_resume): Use imem_addr to translate insn address, abort if
 608         translation failed.
 609         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 610         argc/argv using r0/r1 not r2/r3.
 611         (sim_size): Do not initialize IMAP/DMAP here.
 612         (sim_open): Call sim_create_inferior and sim_size to initialize
 613         the system.
 614         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 615         defaults.
 616         (init_system): Delete.
 617         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 618         init_system.
 619         (decode_pc): Check prog_bfd is defined before looking up .text
 620         section.
 621
 622 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 623
 624         * configure: Regenerated to track ../common/aclocal.m4 changes.
 625
 626 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 627
 628         * configure: Regenerated to track ../common/aclocal.m4 changes.
 629
 630 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 631
 632         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 633
 634 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 635
 636         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 637
 638         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 639         printing the registers.
 640
 641 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 642
 643         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 644         in r4.
 645         (trace_{in,out}put_func): Ditto.
 646         (OP_4900): Ditto.
 647         (OP_24800000): Ditto.
 648         (OP_4D00): Ditto.
 649         (OP_5F00): Ditto.
 650
 651 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 652
 653         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 654         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 655         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 656         reset prog_bfd_was_opened_p after closing prog_bfd.
 657         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 658         (sim_create_inferior): Get start address from abfd not prog_bfd.
 659         (xfer_mem): Do bounds checking on addresses and return zero length
 660         read/write on bad addresses, rather than aborting.  Prepare to
 661         be able to handle xfers that cross segment boundaries, but not
 662         yet implemented.  Only emit debug message when d10v_debug is
 663         set as well as DEBUG being defined.
 664
 665 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 666
 667         * configure: Regenerated to track ../common/aclocal.m4 changes.
 668
 669 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 670
 671         * configure: Regenerated to track ../common/aclocal.m4 changes.
 672         * config.in: Ditto.
 673
 674 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 675
 676         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 677         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 678
 679         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 680
 681 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 682
 683         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 684         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 685
 686         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 687         IBA for SDBT.
 688
 689         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 690         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 691
 692         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 693         use move_to_cr.
 694         (OP_5F00): For "trap", update BPSW with move_to_cr.
 695
 696 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 697
 698         * d10v_sim.h (enum): Enumerate CR register names.
 699         (enum): Enumerate PSW bit values.
 700         (PSW): Obtain value uing move_from_cr.
 701         (MOD_S, MOD_E, BPSW): Make r-values.
 702         (move_from_cr, move_to_cr): Declare functions.
 703
 704         * interp.c (sim_fetch_register, sim_store_register): Use
 705         move_from_cr and move_to_cr for CR register transfers.
 706
 707         * simops.c (move_from_cr, move_to_cr): New functions.
 708         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 709         (OP_5600): For "mvtc", use function move_to_cr.
 710         (OP_5200): For "mvfc", use function move_from_cr.
 711
 712 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 713
 714         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 715         LSbit is zero.
 716
 717 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 718
 719         * configure: Regenerated to track ../common/aclocal.m4 changes.
 720
 721 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 722
 723         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 724
 725         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 726         (OP_5200): Ditto for "mvfc".
 727
 728 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 729
 730         * d10v_sim.h (SEXT56): Define.
 731
 732         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 733         it is shifted.
 734
 735         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 736         SIGNED64 macro.
 737
 738 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 739
 740         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 741         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 742         don't match enum values.
 743
 744 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 745
 746         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 747         bit rather than 16 bit precision.
 748         (OP_3C00): For "mulxu", store unsigned product in ACC.
 749         (OP_3800): For "msbu", subtract unsigned product from ACC,
 750         (OP_0): For "sub", compute carry by comparing inputs.
 751
 752 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 753
 754         * simops.c (OP_1000): For "sub2w", compute carry by comparing
 755         inputs.
 756
 757 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 758
 759         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 760         carry indicated by value > 0xffff.
 761
 762 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 763
 764         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
 765         handled by client.
 766         (sim_resume): Fix race condition of a direct assignment to
 767         stop_simulator, conditionally call sim_stop.
 768         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 769         stop_simulator ready for next sim_resume call.
 770         (sim_ctrl_c): Delete function.
 771
 772 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 773
 774         * interp.c (sim_resume): For "REP", only check/update the PC when
 775         a branch instruction has not been executed.
 776
 777 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 778
 779         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 780         extend bit 44 all constants.
 781         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 782
 783 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 784
 785         * d10v_sim.h: Include sim-types.h.
 786         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 787         using unsigned8 et.al. from sim-types.h.
 788         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 789         SIGNED64 macro.
 790
 791 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * interp.c (sim_write_phys): New function, write to physical
 794         instead of virtual memory.
 795
 796         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 797         sim_load_file.
 798
 799 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 800
 801         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 802         exception generation code to OP_6E01.
 803         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 804         generation code.
 805
 806 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 807
 808         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 809         (OP_6601): Ditto.
 810
 811 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 812
 813         * configure: Regenerated to track ../common/aclocal.m4 changes.
 814
 815 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 816
 817         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 818         IMAP1 selects unified memory.
 819         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 820         for end condition.
 821
 822 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 823
 824         * configure: Regenerated to track ../common/aclocal.m4 changes.
 825
 826 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 827
 828         * configure: Regenerated to track ../common/aclocal.m4 changes.
 829
 830 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 831
 832         * configure: Regenerated to track ../common/aclocal.m4 changes.
 833
 834 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 835
 836         * configure: Regenerated to track ../common/aclocal.m4 changes.
 837
 838 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 839
 840         * configure: Regenerated to track ../common/aclocal.m4 changes.
 841
 842 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 843
 844         * interp.c (sim_resume): Increment PC at end of rep
 845         loop.
 846
 847         * simops.c (OP_4201): Fix rachi instruction.
 848
 849 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 850
 851         * configure: Regenerated to track ../common/aclocal.m4 changes.
 852
 853 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 854
 855         * configure: Regenerated to track ../common/aclocal.m4 changes.
 856         * config.in: Ditto.
 857
 858 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 859
 860         * interp.c (sim_kill): Delete.
 861         (sim_create_inferior): Add ABFD argument.
 862         (sim_load): Move setting of PC from here.
 863         (sim_create_inferior): To here.
 864         (start_address): Delete variable.
 865
 866 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 867
 868         * configure: Regenerated to track ../common/aclocal.m4 changes.
 869         * config.in: Ditto.
 870
 871 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 872
 873         * interp.c (sim_open): Add ABFD argument.
 874
 875 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 876
 877         * interp.c (sim_open): Add callback argument.
 878         (sim_set_callbacks): Remove SIM_DESC argument.
 879
 880 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 881
 882         * configure: Regenerated to track ../common/aclocal.m4 changes.
 883
 884 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 885
 886         * interp.c (sim_open): Undo patch to add -E support.
 887
 888 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 889
 890         * interp.c (sim_stop): New function.
 891
 892 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 893
 894         * Makefile.in (SIM_OBJS): Add sim-load.o.
 895         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 896         * interp.c: #include bfd.h.
 897         (myname, sim_kind, start_address): New static locals.
 898         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 899         (decode_pc): Update to use prog_bfd.
 900         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 901         (sim_close): Close prog_bfd if simulator opened it.
 902         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 903         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 904         Call sim_load_file to load file into simulator.
 905         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 906
 907 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 908
 909         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 910         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 911
 912 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 913
 914         * configure: Regenerated to track ../common/aclocal.m4 changes.
 915         * config.in: Ditto.
 916
 917 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 918
 919         * interp.c (sim_open): New arg `kind'.
 920
 921         * configure: Regenerated to track ../common/aclocal.m4 changes.
 922
 923 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 924
 925         * configure: Regenerated to track ../common/aclocal.m4 changes.
 926
 927 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 928
 929         * configure: Re-generate.
 930
 931 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 932
 933         * configure: Regenerate to track ../common/aclocal.m4 changes.
 934
 935         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 936         as trap 0, which will be deprecated.  Only set errno, if an error
 937         in fact was returned.
 938
 939 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 940
 941         * interp.c: Delete redundant prototypes of sim_foo fns.
 942         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 943         (other sim_*): New SIM_DESC argument.
 944
 945 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 946
 947         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 948         callback functions.
 949         (OP_5F00): Ditto.
 950         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 951         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 952         setting the carry bit after an add or a subtract.
 953
 954 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 955
 956         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 957         40 bits of accumulators.  Sign/zero extend as appropriate.
 958
 959 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 960
 961         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 962         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 963         * configure.in: sinclude ../common/aclocal.m4.
 964         * configure: Regenerated.
 965
 966 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 967
 968         * configure configure.in Makefile.in:  Update to new configure
 969         scheme which is more compatible with WinGDB builds.
 970         * configure.in:  Improve comment on how to run autoconf.
 971         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 972         * Makefile.in:  Use autoconf substitution to install common
 973         makefile fragment.
 974
 975 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 976
 977         * gencode.c: patch to not #include "d10v_sim.h" which
 978         unecessarily includes bfd.h and causes wingdb configure
 979         to fail.
 980
 981 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 982
 983         * interp.c (xfer_mem): Change unified memory to 0x0.
 984
 985 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 986
 987         * simops.c (OP_3E01): Fix tracing information.
 988         (OP_300{0,1}): Do not propigate sign.
 989
 990 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 991
 992         * config.in (WORDS_BIGENDIAN): Add.
 993         * configure: Regenerated.
 994         * d10v_sim.h: #include "config.h"
 995
 996 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 997
 998         * gencode.c (write_opcodes): Eliminate warnings when generated
 999         table.c is compiled.
1000
1001 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1002
1003         * interp.c (sim_open): Cast result of calloc, and make sure NULL
1004         was not returned.
1005         (dmem_addr): If address is illegal or in I/O space, signal a bus
1006         error.
1007         (pc_addr): Signal bus error, not illegal instruction for bogus
1008         pc.
1009
1010 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
1011
1012         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1013         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1014         * configure.in: Simplify using macros in ../common/aclocal.m4.
1015         Call AC_CHECK_HEADERS(unistd.h).
1016         * configure: Regenerated.
1017         * config.in: New file.
1018         * interp.c: #include "callback.h".
1019         * simops.c: #include "config.h".  #include <unistd.h> if present.
1020
1021 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1022
1023         * d10v-sim.h (simops): Add flag is_long.
1024         (State): Add pc_changed.  Instructions which update the PC should
1025         use the JMP macro which sets this.
1026         (JMP): New macro.  Sets the PC and the pc_changed flag.
1027
1028         * gencode.c (write_opcodes): Add is_long field.
1029
1030         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1031         to a long opcode we could get a false match.  Check the opcode size.
1032         (hash): Add a size field to the hash table.
1033         (sim_open): Initialize size field in hash table.
1034         (sim_resume): Change to logic for setting the PC.  Used to increment the
1035         PC if it had not been changed.  This didn't allow single-instruction loops.
1036         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
1037         (dmem_addr): Fix translation of data segments to unified memory.
1038         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
1039
1040         * simops.c: Changed all branch and jump instructions to use new JMP macro.
1041         (OP_20000000): Corrected trace information to show this is a ldi.l, not
1042         a ldi.s instruction.
1043
1044 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1045
1046         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1047         updating the accumulators was overwriting other parts of the global
1048         State variable.
1049
1050 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1051
1052         * interp.c (bfd.h) Don't include it here any more.
1053         (text{,_start,_end}): Move here from simops.c and make extern.
1054         (decode_pc): New function to return the PC as an address that the
1055         debugger can use.
1056         (dmem_addr): Print decoded PC in error message.
1057         (pc_addr): Ditto.
1058
1059         * simops.c (bfd.h) Don't include it here any more.
1060         (text{,_start,_end}): Move to simops.c.
1061         (trace_input_func): Move decoding of PC, and looking up .text
1062         start to decode_pc.
1063
1064         * d10v_sim.h (bfd.h): Include it here.
1065         (text{,_start,_end}): Add external declarations.
1066         (exec_bfd): Ditto.
1067         (decode_pc): Ditto.
1068
1069 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1070
1071         * interp.c (sim_size): Now allocates unified memory for imap segments
1072         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1073         (sim_write): Just call xfer_mem().
1074         (sim_read): Just call xfer_mem().
1075         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1076         (dmem_addr): New function. Reads dmap register and translates data
1077         addresses to local addresses.
1078         (pc_addr): New function. Reads imap register and computes local address
1079         corresponding to contents of the PC.
1080         (sim_resume): Change to use pc_addr().
1081         (sim_create_inferior): Change reinitialization code. Also reinitializes
1082         imap[01] and dmap.
1083         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1084         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1085
1086         * simops.c (MEMPTR): Redefine to use dmem_addr().
1087         (OP_5F00): Replace references to STate.imem with dmem_addr().
1088
1089         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1090         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1091         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1092
1093 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1094
1095         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1096         better statistics, like not counting NOPS as parallel
1097         instructions, and printing total cycles.
1098         (ins_type_counters): Make unsigned long.
1099         (left_nops,right_nops): Fold into ins_type_counters.
1100
1101         * simops.c (trace_input_func): Print new instruction types.
1102         Handle OP_R2R3 as input types.
1103         (OP_{38000000,7000}): Correctly sign extend bytes.
1104         (OP_5E00): Don't count NOPs as parallel instructions.
1105         (OP_460B): Remove unused variable.
1106         (OP_5F00): Ditto.
1107
1108         * interp.c (ins_type_counters): Make unsigned long.
1109         (left_nops,right_nops): Delete.
1110         (most functions): Add prototypes.
1111         (INLINE): If GCC and optimize define as __inline__.
1112         ({,lookup_}hash,get_operands): Declare as INLINE.
1113         (do_parallel): Count conditional operations.
1114         (add_commas): New function, to add commas every 3 digits.
1115         (sim_size): Call add_commas to print numbers.
1116         (sim_{open,resume}): Delete unused variables.
1117         (sim_info): Provide better statistics.
1118         (sim_read): Add int return type.
1119
1120 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1121
1122         * interp.c (sim_resume): Change the way single-stepping and exceptions
1123         are handled so single-stepping works again.
1124
1125 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1126
1127         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1128         endian hosts.
1129
1130         * configure.in (--enable-sim-bswap): New switch to enable using
1131         the BSWAP instruction on x86's.
1132         * configure: Regenerate.
1133
1134         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1135         support.
1136
1137 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1138
1139         * endian.c: New file.  Move endian functions here from interp.c.
1140         Optimize code, and make it work as either inline functions or as a
1141         separate file.
1142
1143         * interp.c: Move endian functions from here to endian.c.
1144
1145         * Makefile.in (INCLUDE): Add endian.c.
1146         (run,libsim.a): Add dependency on endian.o.
1147         (endian.o): Add dependency.
1148
1149         * d10v_sim.h (read/write support): Always go through the machine
1150         independent endian functions.  If compiling with GCC and
1151         optimizing, include endian.c so the endian functions are inlined.
1152
1153         * simops.c (OP_5F00): Correct tracing of accumulators.
1154
1155 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1156
1157         * simops.c (OP_5F00): Add support for getpid, kill system calls.
1158
1159         * interp.c (do_{2_short,parallel}): If an exception is raised,
1160         don't execute the second instruction.
1161
1162 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1163
1164         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1165         temporary in case the register is overriden when loading.
1166         (OP_6200): Output type is OP_DREG for tracing.
1167
1168 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1169
1170         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1171
1172         * interp.c (sim_size): Initialize mem_{min,max} fields.
1173         (sim_write): Update mem_{min,max} fields.
1174         (sim_resume): If PC is not in the minimum/maximum memory range,
1175         abort.
1176         (sim_create_inferior): Preserve mem_{min,max} fields.
1177
1178 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
1179
1180         * simops.c (OP_5F00): Add support for time() system call.
1181
1182 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1183
1184         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1185         stored if tracing.
1186         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1187         system calls.
1188
1189 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1190
1191         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1192         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1193         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1194         to call/subroutine returns to trace the first two arguments and
1195         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1196
1197 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1198
1199         * interp.c (sim_create_inferior): Reinitialize State every time
1200         sim_create_inferior() is called.
1201
1202 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
1203
1204         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1205         on comparisons.
1206         (OP_401): Fix tracing information.
1207
1208 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1209
1210         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1211         (trace_input_func): Use them.
1212         (trace_input_func): Make sure there is a trailing space after the
1213         instruction.
1214         (OP_6200): Fix tracing info.
1215
1216         * Makefile.in (run): Add dependencies on libbfd.a and
1217         libiberity.a.
1218
1219 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1220
1221         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1222         numbers and function names in debug trace.
1223         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1224         DEBUG_LINE_NUMBER.
1225         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1226         and exit system call trap being executed.
1227
1228         * interp.c (sim_stop_reason): Set exit code correctly for stop
1229         instruction and exit system call trap.
1230
1231         * configure.in (--enable-sim-cflags): Remove trace case.
1232         (--enable-sim-debug): New switch to set the debug values.
1233         * configure: Regenerate.
1234
1235         * simops.c (trace_{input,output}_func): Rename from
1236         trace_{input,output}.
1237         (trace_{input,output}): Call trace_{input,output}_func if
1238         d10v_debug is non-zero.
1239         (SIZE_INSTRUCTION): Cut down to 8.
1240         (SIZE_OPERANDS): Cut down to 18.
1241         (SIZE_LOCATION): New value for size of line number, function name
1242         field.
1243         (init_text_p,text{,_start,_end}): New static variables for
1244         printing line number and function name.
1245         (exec_bfd): New external that run.c sets.
1246         (trace_input_func): Print line number and function name if
1247         available and if desired.
1248         (OP_4E09): Don't print out DBT message.
1249         (OP_5FE0): Set exception field to SIG_D10V_STOP.
1250         (OP_5F00): Set exception field to SIG_D10V_EXIT.
1251
1252 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1253
1254         * interp.c (do_2_short): If the instruction encodes jump->ins,
1255         don't do the second instruction if the jump succeeds.
1256
1257 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1258
1259         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1260         accumulators, PC, and F0/F1/C flags.
1261
1262 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
1263
1264         * simops.c (OP_5F00): Fix problems with system calls.
1265
1266 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1267
1268         * simops.c (OP_5F00): Correct tracing information for trap.
1269
1270 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1271
1272         * Makefile.in (CSEARCH): Correctly find opcodes directory.
1273
1274 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1275
1276         * simops.c (trace_output): Properly align accumulator output.
1277         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1278         if shift count is too high.
1279         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1280         (OP_4E09): Make cpfg properly trace the input flags.
1281         (op_types): Add OP_FLAG_OUTPUT.
1282         (trace_{input,output}): Support OP_FLAG_OUTPUT.
1283         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1284         an 8-bit memory reference instruction for tracing purposes.
1285         (OP_201): Addi needs to set the carry.
1286
1287 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1288
1289         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1290         to use signed register values.
1291
1292 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1293
1294         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1295         output.
1296         (_ins_type): New enumeration to specify which container an
1297         instruction is in, and whether it is part of a parallel operation.
1298         (_state): Add ins_type field.
1299         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1300         (ins_type_counters): Counters for the various instruction types.
1301         ({left,right}_nops): Counters for the number of nops in each
1302         container.
1303         (d10v_debug): New variable to indicate whether debugging is turned
1304         on.
1305
1306         * simops.c: (all functions): Change all #ifdef DEBUG code so that
1307         the input and output values can be traced, along with the
1308         instruction type.  Make the -t option enable tracing.
1309         (all functions): Change printf calls to use the printf_filtered
1310         function in the callback table.
1311
1312         * interp.c (_leftright): New enumeration to say whether 2 short
1313         instructions are done left first or right first.
1314         (do_{long,2_short,parallel}): Indicate in the machine state which
1315         type of instruction this is.  Count each of the types of
1316         instructions executed.
1317         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1318         flag is set.
1319         (sim_resume): Pass left/right indication to do_2_short.
1320         (all functions): Change printf calls to use the printf_filtered
1321         function in the callback table.
1322         (sim_trace): Turn on debug flag if DEBUG was defined, and call
1323         sim_resume.
1324         (sim_info): Print out statistics on instructions.
1325         (sim_{trace,create_inferior}): Eliminate extraneous output unless
1326         debugging.
1327         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1328         Only initialize the hash table the first time sim_open is called.
1329
1330         * Makefile.in: Make objects depend on d10v_sim.h.
1331         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1332         CFLAGS does not override host/target defines or SIM_CFLAGS.
1333         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1334         (run): By default, the math library is not needed to be linked
1335         in.
1336         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1337         overridden.
1338         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1339         makes.
1340         ({run,callback}.o): Provide explicit paths to their appropriate
1341         source directories.
1342         (gencode{,.o},d10v-opc.o): Split compilation into creating object
1343         and linking.  Instead of linking in libopcodes.a, just compile
1344         d10v-opc.o directly to handle canadian cross.
1345         (CSEARCH): Add opcodes directory.
1346
1347         * configure.in (--enable-sim-cflags): New switch to allow user to
1348         set the defaults.
1349         (CC_FOR_BUILD): Deal with canadian crosses.
1350         * configure: Regenerate.
1351
1352 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
1353
1354         * simops.c: Include correct syscall.h for d10v, not host's.
1355         Fix #ifdef SYS_stat.
1356
1357 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1358
1359         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1360         Add trap 2 to be printf and trap 3 to be putchar.
1361
1362 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
1363
1364         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1365         for low-level system calls.
1366
1367 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1368
1369         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1370
1371 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1372
1373         * d10v_sim.h (SEXT32): Added.
1374         * interp.c: Commented out printfs.
1375         * simops.c:  Fixed error in sb and st2w.
1376
1377 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1378
1379         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1380         DSP instructions.  Added modulo addressing.
1381
1382 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1383
1384         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1385
1386 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1387
1388         * d10v_sim.h, simops.c: Snapshot.
1389
1390 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1391
1392         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1393         gencode.c, interp.c, simops.c: Created.
1394