sim/d10v/ChangeLog

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