sim/d10v/ChangeLog

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