sim/d10v/ChangeLog

   1 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * d10v_sim.h: Include sim-types.h.
   4         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
   5         using unsigned8 et.al. from sim-types.h.
   6         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
   7         SIGNED64 macro.
   8
   9 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  10
  11         * interp.c (sim_write_phys): New function, write to physical
  12         instead of virtual memory.
  13
  14         * interp.c (sim_load): Pass lma_p and sim_write_phys to
  15         sim_load_file.
  16
  17 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
  18
  19         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
  20         exception generation code to OP_6E01.
  21         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
  22         generation code.
  23
  24 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
  25
  26         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
  27         (OP_6601): Ditto.
  28
  29 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  30
  31         * configure: Regenerated to track ../common/aclocal.m4 changes.
  32
  33 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
  34
  35         * interp.c (pc_addr): Discard upper bit(s) of PC in case
  36         IMAP1 selects unified memory.
  37         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
  38         for end condition.
  39
  40 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  41
  42         * configure: Regenerated to track ../common/aclocal.m4 changes.
  43
  44 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  45
  46         * configure: Regenerated to track ../common/aclocal.m4 changes.
  47
  48 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  49
  50         * configure: Regenerated to track ../common/aclocal.m4 changes.
  51
  52 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  53
  54         * configure: Regenerated to track ../common/aclocal.m4 changes.
  55
  56 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  57
  58         * configure: Regenerated to track ../common/aclocal.m4 changes.
  59
  60 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
  61
  62         * interp.c (sim_resume): Increment PC at end of rep
  63         loop.
  64
  65         * simops.c (OP_4201): Fix rachi instruction.
  66
  67 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
  68
  69         * configure: Regenerated to track ../common/aclocal.m4 changes.
  70
  71 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  72
  73         * configure: Regenerated to track ../common/aclocal.m4 changes.
  74         * config.in: Ditto.
  75
  76 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  77
  78         * interp.c (sim_kill): Delete.
  79         (sim_create_inferior): Add ABFD argument.
  80         (sim_load): Move setting of PC from here.
  81         (sim_create_inferior): To here.
  82         (start_address): Delete variable.
  83
  84 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  85
  86         * configure: Regenerated to track ../common/aclocal.m4 changes.
  87         * config.in: Ditto.
  88
  89 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  90
  91         * interp.c (sim_open): Add ABFD argument.
  92
  93 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  94
  95         * interp.c (sim_open): Add callback argument.
  96         (sim_set_callbacks): Remove SIM_DESC argument.
  97
  98 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
  99
 100         * configure: Regenerated to track ../common/aclocal.m4 changes.
 101
 102 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 103
 104         * interp.c (sim_open): Undo patch to add -E support.
 105
 106 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 107
 108         * interp.c (sim_stop): New function.
 109
 110 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 111
 112         * Makefile.in (SIM_OBJS): Add sim-load.o.
 113         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 114         * interp.c: #include bfd.h.
 115         (myname, sim_kind, start_address): New static locals.
 116         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 117         (decode_pc): Update to use prog_bfd.
 118         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 119         (sim_close): Close prog_bfd if simulator opened it.
 120         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 121         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 122         Call sim_load_file to load file into simulator.
 123         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 124
 125 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 126
 127         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 128         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 129
 130 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 131
 132         * configure: Regenerated to track ../common/aclocal.m4 changes.
 133         * config.in: Ditto.
 134
 135 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 136
 137         * interp.c (sim_open): New arg `kind'.
 138
 139         * configure: Regenerated to track ../common/aclocal.m4 changes.
 140
 141 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 142
 143         * configure: Regenerated to track ../common/aclocal.m4 changes.
 144
 145 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 146
 147         * configure: Re-generate.
 148
 149 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 150
 151         * configure: Regenerate to track ../common/aclocal.m4 changes.
 152
 153         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 154         as trap 0, which will be deprecated.  Only set errno, if an error
 155         in fact was returned.
 156
 157 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 158
 159         * interp.c: Delete redundant prototypes of sim_foo fns.
 160         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 161         (other sim_*): New SIM_DESC argument.
 162
 163 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 164
 165         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 166         callback functions.
 167         (OP_5F00): Ditto.
 168         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 169         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 170         setting the carry bit after an add or a subtract.
 171
 172 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 173
 174         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 175         40 bits of accumulators.  Sign/zero extend as appropriate.
 176
 177 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 178
 179         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 180         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 181         * configure.in: sinclude ../common/aclocal.m4.
 182         * configure: Regenerated.
 183
 184 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 185
 186         * configure configure.in Makefile.in:  Update to new configure
 187         scheme which is more compatible with WinGDB builds.
 188         * configure.in:  Improve comment on how to run autoconf.
 189         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 190         * Makefile.in:  Use autoconf substitution to install common
 191         makefile fragment.
 192
 193 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 194
 195         * gencode.c: patch to not #include "d10v_sim.h" which
 196         unecessarily includes bfd.h and causes wingdb configure
 197         to fail.
 198
 199 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 200
 201         * interp.c (xfer_mem): Change unified memory to 0x0.
 202
 203 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 204
 205         * simops.c (OP_3E01): Fix tracing information.
 206         (OP_300{0,1}): Do not propigate sign.
 207
 208 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 209
 210         * config.in (WORDS_BIGENDIAN): Add.
 211         * configure: Regenerated.
 212         * d10v_sim.h: #include "config.h"
 213
 214 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 215
 216         * gencode.c (write_opcodes): Eliminate warnings when generated
 217         table.c is compiled.
 218
 219 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 220
 221         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 222         was not returned.
 223         (dmem_addr): If address is illegal or in I/O space, signal a bus
 224         error.
 225         (pc_addr): Signal bus error, not illegal instruction for bogus
 226         pc.
 227
 228 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 229
 230         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 231         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 232         * configure.in: Simplify using macros in ../common/aclocal.m4.
 233         Call AC_CHECK_HEADERS(unistd.h).
 234         * configure: Regenerated.
 235         * config.in: New file.
 236         * interp.c: #include "callback.h".
 237         * simops.c: #include "config.h".  #include <unistd.h> if present.
 238
 239 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 240
 241         * d10v-sim.h (simops): Add flag is_long.
 242         (State): Add pc_changed.  Instructions which update the PC should
 243         use the JMP macro which sets this.
 244         (JMP): New macro.  Sets the PC and the pc_changed flag.
 245
 246         * gencode.c (write_opcodes): Add is_long field.
 247
 248         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 249         to a long opcode we could get a false match.  Check the opcode size.
 250         (hash): Add a size field to the hash table.
 251         (sim_open): Initialize size field in hash table.
 252         (sim_resume): Change to logic for setting the PC.  Used to increment the
 253         PC if it had not been changed.  This didn't allow single-instruction loops.
 254         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 255         (dmem_addr): Fix translation of data segments to unified memory.
 256         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 257
 258         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 259         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 260         a ldi.s instruction.
 261
 262 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 263
 264         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 265         updating the accumulators was overwriting other parts of the global
 266         State variable.
 267
 268 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 269
 270         * interp.c (bfd.h) Don't include it here any more.
 271         (text{,_start,_end}): Move here from simops.c and make extern.
 272         (decode_pc): New function to return the PC as an address that the
 273         debugger can use.
 274         (dmem_addr): Print decoded PC in error message.
 275         (pc_addr): Ditto.
 276
 277         * simops.c (bfd.h) Don't include it here any more.
 278         (text{,_start,_end}): Move to simops.c.
 279         (trace_input_func): Move decoding of PC, and looking up .text
 280         start to decode_pc.
 281
 282         * d10v_sim.h (bfd.h): Include it here.
 283         (text{,_start,_end}): Add external declarations.
 284         (exec_bfd): Ditto.
 285         (decode_pc): Ditto.
 286
 287 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 288
 289         * interp.c (sim_size): Now allocates unified memory for imap segments
 290         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 291         (sim_write): Just call xfer_mem().
 292         (sim_read): Just call xfer_mem().
 293         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 294         (dmem_addr): New function. Reads dmap register and translates data
 295         addresses to local addresses.
 296         (pc_addr): New function. Reads imap register and computes local address
 297         corresponding to contents of the PC.
 298         (sim_resume): Change to use pc_addr().
 299         (sim_create_inferior): Change reinitialization code. Also reinitializes
 300         imap[01] and dmap.
 301         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 302         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 303
 304         * simops.c (MEMPTR): Redefine to use dmem_addr().
 305         (OP_5F00): Replace references to STate.imem with dmem_addr().
 306
 307         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 308         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 309         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 310
 311 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 312
 313         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 314         better statistics, like not counting NOPS as parallel
 315         instructions, and printing total cycles.
 316         (ins_type_counters): Make unsigned long.
 317         (left_nops,right_nops): Fold into ins_type_counters.
 318
 319         * simops.c (trace_input_func): Print new instruction types.
 320         Handle OP_R2R3 as input types.
 321         (OP_{38000000,7000}): Correctly sign extend bytes.
 322         (OP_5E00): Don't count NOPs as parallel instructions.
 323         (OP_460B): Remove unused variable.
 324         (OP_5F00): Ditto.
 325
 326         * interp.c (ins_type_counters): Make unsigned long.
 327         (left_nops,right_nops): Delete.
 328         (most functions): Add prototypes.
 329         (INLINE): If GCC and optimize define as __inline__.
 330         ({,lookup_}hash,get_operands): Declare as INLINE.
 331         (do_parallel): Count conditional operations.
 332         (add_commas): New function, to add commas every 3 digits.
 333         (sim_size): Call add_commas to print numbers.
 334         (sim_{open,resume}): Delete unused variables.
 335         (sim_info): Provide better statistics.
 336         (sim_read): Add int return type.
 337
 338 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 339
 340         * interp.c (sim_resume): Change the way single-stepping and exceptions
 341         are handled so single-stepping works again.
 342
 343 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 344
 345         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 346         endian hosts.
 347
 348         * configure.in (--enable-sim-bswap): New switch to enable using
 349         the BSWAP instruction on x86's.
 350         * configure: Regenerate.
 351
 352         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 353         support.
 354
 355 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 356
 357         * endian.c: New file.  Move endian functions here from interp.c.
 358         Optimize code, and make it work as either inline functions or as a
 359         separate file.
 360
 361         * interp.c: Move endian functions from here to endian.c.
 362
 363         * Makefile.in (INCLUDE): Add endian.c.
 364         (run,libsim.a): Add dependency on endian.o.
 365         (endian.o): Add dependency.
 366
 367         * d10v_sim.h (read/write support): Always go through the machine
 368         independent endian functions.  If compiling with GCC and
 369         optimizing, include endian.c so the endian functions are inlined.
 370
 371         * simops.c (OP_5F00): Correct tracing of accumulators.
 372
 373 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 374
 375         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 376
 377         * interp.c (do_{2_short,parallel}): If an exception is raised,
 378         don't execute the second instruction.
 379
 380 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 381
 382         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 383         temporary in case the register is overriden when loading.
 384         (OP_6200): Output type is OP_DREG for tracing.
 385
 386 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 387
 388         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 389
 390         * interp.c (sim_size): Initialize mem_{min,max} fields.
 391         (sim_write): Update mem_{min,max} fields.
 392         (sim_resume): If PC is not in the minimum/maximum memory range,
 393         abort.
 394         (sim_create_inferior): Preserve mem_{min,max} fields.
 395
 396 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 397
 398         * simops.c (OP_5F00): Add support for time() system call.
 399
 400 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 401
 402         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 403         stored if tracing.
 404         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 405         system calls.
 406
 407 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 408
 409         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 410         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 411         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 412         to call/subroutine returns to trace the first two arguments and
 413         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 414
 415 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 416
 417         * interp.c (sim_create_inferior): Reinitialize State every time
 418         sim_create_inferior() is called.
 419
 420 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 421
 422         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 423         on comparisons.
 424         (OP_401): Fix tracing information.
 425
 426 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 427
 428         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 429         (trace_input_func): Use them.
 430         (trace_input_func): Make sure there is a trailing space after the
 431         instruction.
 432         (OP_6200): Fix tracing info.
 433
 434         * Makefile.in (run): Add dependencies on libbfd.a and
 435         libiberity.a.
 436
 437 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 438
 439         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 440         numbers and function names in debug trace.
 441         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 442         DEBUG_LINE_NUMBER.
 443         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 444         and exit system call trap being executed.
 445
 446         * interp.c (sim_stop_reason): Set exit code correctly for stop
 447         instruction and exit system call trap.
 448
 449         * configure.in (--enable-sim-cflags): Remove trace case.
 450         (--enable-sim-debug): New switch to set the debug values.
 451         * configure: Regenerate.
 452
 453         * simops.c (trace_{input,output}_func): Rename from
 454         trace_{input,output}.
 455         (trace_{input,output}): Call trace_{input,output}_func if
 456         d10v_debug is non-zero.
 457         (SIZE_INSTRUCTION): Cut down to 8.
 458         (SIZE_OPERANDS): Cut down to 18.
 459         (SIZE_LOCATION): New value for size of line number, function name
 460         field.
 461         (init_text_p,text{,_start,_end}): New static variables for
 462         printing line number and function name.
 463         (exec_bfd): New external that run.c sets.
 464         (trace_input_func): Print line number and function name if
 465         available and if desired.
 466         (OP_4E09): Don't print out DBT message.
 467         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 468         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 469
 470 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 471
 472         * interp.c (do_2_short): If the instruction encodes jump->ins,
 473         don't do the second instruction if the jump succeeds.
 474
 475 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 476
 477         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 478         accumulators, PC, and F0/F1/C flags.
 479
 480 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 481
 482         * simops.c (OP_5F00): Fix problems with system calls.
 483
 484 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 485
 486         * simops.c (OP_5F00): Correct tracing information for trap.
 487
 488 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 489
 490         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 491
 492 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 493
 494         * simops.c (trace_output): Properly align accumulator output.
 495         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 496         if shift count is too high.
 497         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 498         (OP_4E09): Make cpfg properly trace the input flags.
 499         (op_types): Add OP_FLAG_OUTPUT.
 500         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 501         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 502         an 8-bit memory reference instruction for tracing purposes.
 503         (OP_201): Addi needs to set the carry.
 504
 505 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 506
 507         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 508         to use signed register values.
 509
 510 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 511
 512         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 513         output.
 514         (_ins_type): New enumeration to specify which container an
 515         instruction is in, and whether it is part of a parallel operation.
 516         (_state): Add ins_type field.
 517         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 518         (ins_type_counters): Counters for the various instruction types.
 519         ({left,right}_nops): Counters for the number of nops in each
 520         container.
 521         (d10v_debug): New variable to indicate whether debugging is turned
 522         on.
 523
 524         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 525         the input and output values can be traced, along with the
 526         instruction type.  Make the -t option enable tracing.
 527         (all functions): Change printf calls to use the printf_filtered
 528         function in the callback table.
 529
 530         * interp.c (_leftright): New enumeration to say whether 2 short
 531         instructions are done left first or right first.
 532         (do_{long,2_short,parallel}): Indicate in the machine state which
 533         type of instruction this is.  Count each of the types of
 534         instructions executed.
 535         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 536         flag is set.
 537         (sim_resume): Pass left/right indication to do_2_short.
 538         (all functions): Change printf calls to use the printf_filtered
 539         function in the callback table.
 540         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 541         sim_resume.
 542         (sim_info): Print out statistics on instructions.
 543         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 544         debugging.
 545         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 546         Only initialize the hash table the first time sim_open is called.
 547
 548         * Makefile.in: Make objects depend on d10v_sim.h.
 549         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 550         CFLAGS does not override host/target defines or SIM_CFLAGS.
 551         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 552         (run): By default, the math library is not needed to be linked
 553         in.
 554         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 555         overridden.
 556         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 557         makes.
 558         ({run,callback}.o): Provide explicit paths to their appropriate
 559         source directories.
 560         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 561         and linking.  Instead of linking in libopcodes.a, just compile
 562         d10v-opc.o directly to handle canadian cross.
 563         (CSEARCH): Add opcodes directory.
 564
 565         * configure.in (--enable-sim-cflags): New switch to allow user to
 566         set the defaults.
 567         (CC_FOR_BUILD): Deal with canadian crosses.
 568         * configure: Regenerate.
 569
 570 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 571
 572         * simops.c: Include correct syscall.h for d10v, not host's.
 573         Fix #ifdef SYS_stat.
 574
 575 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 576
 577         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 578         Add trap 2 to be printf and trap 3 to be putchar.
 579
 580 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 581
 582         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 583         for low-level system calls.
 584
 585 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 586
 587         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 588
 589 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 590
 591         * d10v_sim.h (SEXT32): Added.
 592         * interp.c: Commented out printfs.
 593         * simops.c:  Fixed error in sb and st2w.
 594
 595 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 596
 597         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 598         DSP instructions.  Added modulo addressing.
 599
 600 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 601
 602         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 603
 604 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 605
 606         * d10v_sim.h, simops.c: Snapshot.
 607
 608 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 609
 610         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 611         gencode.c, interp.c, simops.c: Created.
 612