sim/d10v/ChangeLog

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