sim/d10v/ChangeLog

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