sim/d10v/ChangeLog

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