sim/d10v/ChangeLog

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