sim/d10v/ChangeLog

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