sim/d10v/ChangeLog

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