sim/d10v/ChangeLog

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