sim/d10v/ChangeLog

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