sim/d10v/ChangeLog

   1 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * simops.c (OP_1000): For "sub2w", compute carry by comparing
   4         inputs.
   5
   6 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   7
   8         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
   9         carry indicated by value > 0xffff.
  10
  11 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  12
  13         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
  14         handled by client.
  15         (sim_resume): Fix race condition of a direct assignment to
  16         stop_simulator, conditionally call sim_stop.
  17         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
  18         stop_simulator ready for next sim_resume call.
  19         (sim_ctrl_c): Delete function.
  20
  21 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  22
  23         * interp.c (sim_resume): For "REP", only check/update the PC when
  24         a branch instruction has not been executed.
  25
  26 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  27
  28         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
  29         extend bit 44 all constants.
  30         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
  31
  32 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  33
  34         * d10v_sim.h: Include sim-types.h.
  35         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
  36         using unsigned8 et.al. from sim-types.h.
  37         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
  38         SIGNED64 macro.
  39
  40 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  41
  42         * interp.c (sim_write_phys): New function, write to physical
  43         instead of virtual memory.
  44
  45         * interp.c (sim_load): Pass lma_p and sim_write_phys to
  46         sim_load_file.
  47
  48 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
  49
  50         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
  51         exception generation code to OP_6E01.
  52         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
  53         generation code.
  54
  55 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
  56
  57         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
  58         (OP_6601): Ditto.
  59
  60 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  61
  62         * configure: Regenerated to track ../common/aclocal.m4 changes.
  63
  64 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
  65
  66         * interp.c (pc_addr): Discard upper bit(s) of PC in case
  67         IMAP1 selects unified memory.
  68         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
  69         for end condition.
  70
  71 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  72
  73         * configure: Regenerated to track ../common/aclocal.m4 changes.
  74
  75 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  76
  77         * configure: Regenerated to track ../common/aclocal.m4 changes.
  78
  79 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  80
  81         * configure: Regenerated to track ../common/aclocal.m4 changes.
  82
  83 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  84
  85         * configure: Regenerated to track ../common/aclocal.m4 changes.
  86
  87 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  88
  89         * configure: Regenerated to track ../common/aclocal.m4 changes.
  90
  91 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
  92
  93         * interp.c (sim_resume): Increment PC at end of rep
  94         loop.
  95
  96         * simops.c (OP_4201): Fix rachi instruction.
  97
  98 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
  99
 100         * configure: Regenerated to track ../common/aclocal.m4 changes.
 101
 102 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * configure: Regenerated to track ../common/aclocal.m4 changes.
 105         * config.in: Ditto.
 106
 107 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * interp.c (sim_kill): Delete.
 110         (sim_create_inferior): Add ABFD argument.
 111         (sim_load): Move setting of PC from here.
 112         (sim_create_inferior): To here.
 113         (start_address): Delete variable.
 114
 115 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 116
 117         * configure: Regenerated to track ../common/aclocal.m4 changes.
 118         * config.in: Ditto.
 119
 120 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 121
 122         * interp.c (sim_open): Add ABFD argument.
 123
 124 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 125
 126         * interp.c (sim_open): Add callback argument.
 127         (sim_set_callbacks): Remove SIM_DESC argument.
 128
 129 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 130
 131         * configure: Regenerated to track ../common/aclocal.m4 changes.
 132
 133 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 134
 135         * interp.c (sim_open): Undo patch to add -E support.
 136
 137 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 138
 139         * interp.c (sim_stop): New function.
 140
 141 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 142
 143         * Makefile.in (SIM_OBJS): Add sim-load.o.
 144         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 145         * interp.c: #include bfd.h.
 146         (myname, sim_kind, start_address): New static locals.
 147         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 148         (decode_pc): Update to use prog_bfd.
 149         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 150         (sim_close): Close prog_bfd if simulator opened it.
 151         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 152         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 153         Call sim_load_file to load file into simulator.
 154         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 155
 156 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 157
 158         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 159         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 160
 161 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 162
 163         * configure: Regenerated to track ../common/aclocal.m4 changes.
 164         * config.in: Ditto.
 165
 166 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 167
 168         * interp.c (sim_open): New arg `kind'.
 169
 170         * configure: Regenerated to track ../common/aclocal.m4 changes.
 171
 172 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 173
 174         * configure: Regenerated to track ../common/aclocal.m4 changes.
 175
 176 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 177
 178         * configure: Re-generate.
 179
 180 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 181
 182         * configure: Regenerate to track ../common/aclocal.m4 changes.
 183
 184         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 185         as trap 0, which will be deprecated.  Only set errno, if an error
 186         in fact was returned.
 187
 188 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 189
 190         * interp.c: Delete redundant prototypes of sim_foo fns.
 191         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 192         (other sim_*): New SIM_DESC argument.
 193
 194 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 195
 196         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 197         callback functions.
 198         (OP_5F00): Ditto.
 199         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 200         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 201         setting the carry bit after an add or a subtract.
 202
 203 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 204
 205         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 206         40 bits of accumulators.  Sign/zero extend as appropriate.
 207
 208 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 209
 210         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 211         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 212         * configure.in: sinclude ../common/aclocal.m4.
 213         * configure: Regenerated.
 214
 215 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 216
 217         * configure configure.in Makefile.in:  Update to new configure
 218         scheme which is more compatible with WinGDB builds.
 219         * configure.in:  Improve comment on how to run autoconf.
 220         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 221         * Makefile.in:  Use autoconf substitution to install common
 222         makefile fragment.
 223
 224 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 225
 226         * gencode.c: patch to not #include "d10v_sim.h" which
 227         unecessarily includes bfd.h and causes wingdb configure
 228         to fail.
 229
 230 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 231
 232         * interp.c (xfer_mem): Change unified memory to 0x0.
 233
 234 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 235
 236         * simops.c (OP_3E01): Fix tracing information.
 237         (OP_300{0,1}): Do not propigate sign.
 238
 239 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 240
 241         * config.in (WORDS_BIGENDIAN): Add.
 242         * configure: Regenerated.
 243         * d10v_sim.h: #include "config.h"
 244
 245 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 246
 247         * gencode.c (write_opcodes): Eliminate warnings when generated
 248         table.c is compiled.
 249
 250 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 251
 252         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 253         was not returned.
 254         (dmem_addr): If address is illegal or in I/O space, signal a bus
 255         error.
 256         (pc_addr): Signal bus error, not illegal instruction for bogus
 257         pc.
 258
 259 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 260
 261         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 262         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 263         * configure.in: Simplify using macros in ../common/aclocal.m4.
 264         Call AC_CHECK_HEADERS(unistd.h).
 265         * configure: Regenerated.
 266         * config.in: New file.
 267         * interp.c: #include "callback.h".
 268         * simops.c: #include "config.h".  #include <unistd.h> if present.
 269
 270 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 271
 272         * d10v-sim.h (simops): Add flag is_long.
 273         (State): Add pc_changed.  Instructions which update the PC should
 274         use the JMP macro which sets this.
 275         (JMP): New macro.  Sets the PC and the pc_changed flag.
 276
 277         * gencode.c (write_opcodes): Add is_long field.
 278
 279         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 280         to a long opcode we could get a false match.  Check the opcode size.
 281         (hash): Add a size field to the hash table.
 282         (sim_open): Initialize size field in hash table.
 283         (sim_resume): Change to logic for setting the PC.  Used to increment the
 284         PC if it had not been changed.  This didn't allow single-instruction loops.
 285         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 286         (dmem_addr): Fix translation of data segments to unified memory.
 287         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 288
 289         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 290         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 291         a ldi.s instruction.
 292
 293 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 294
 295         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 296         updating the accumulators was overwriting other parts of the global
 297         State variable.
 298
 299 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 300
 301         * interp.c (bfd.h) Don't include it here any more.
 302         (text{,_start,_end}): Move here from simops.c and make extern.
 303         (decode_pc): New function to return the PC as an address that the
 304         debugger can use.
 305         (dmem_addr): Print decoded PC in error message.
 306         (pc_addr): Ditto.
 307
 308         * simops.c (bfd.h) Don't include it here any more.
 309         (text{,_start,_end}): Move to simops.c.
 310         (trace_input_func): Move decoding of PC, and looking up .text
 311         start to decode_pc.
 312
 313         * d10v_sim.h (bfd.h): Include it here.
 314         (text{,_start,_end}): Add external declarations.
 315         (exec_bfd): Ditto.
 316         (decode_pc): Ditto.
 317
 318 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 319
 320         * interp.c (sim_size): Now allocates unified memory for imap segments
 321         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 322         (sim_write): Just call xfer_mem().
 323         (sim_read): Just call xfer_mem().
 324         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 325         (dmem_addr): New function. Reads dmap register and translates data
 326         addresses to local addresses.
 327         (pc_addr): New function. Reads imap register and computes local address
 328         corresponding to contents of the PC.
 329         (sim_resume): Change to use pc_addr().
 330         (sim_create_inferior): Change reinitialization code. Also reinitializes
 331         imap[01] and dmap.
 332         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 333         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 334
 335         * simops.c (MEMPTR): Redefine to use dmem_addr().
 336         (OP_5F00): Replace references to STate.imem with dmem_addr().
 337
 338         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 339         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 340         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 341
 342 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 343
 344         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 345         better statistics, like not counting NOPS as parallel
 346         instructions, and printing total cycles.
 347         (ins_type_counters): Make unsigned long.
 348         (left_nops,right_nops): Fold into ins_type_counters.
 349
 350         * simops.c (trace_input_func): Print new instruction types.
 351         Handle OP_R2R3 as input types.
 352         (OP_{38000000,7000}): Correctly sign extend bytes.
 353         (OP_5E00): Don't count NOPs as parallel instructions.
 354         (OP_460B): Remove unused variable.
 355         (OP_5F00): Ditto.
 356
 357         * interp.c (ins_type_counters): Make unsigned long.
 358         (left_nops,right_nops): Delete.
 359         (most functions): Add prototypes.
 360         (INLINE): If GCC and optimize define as __inline__.
 361         ({,lookup_}hash,get_operands): Declare as INLINE.
 362         (do_parallel): Count conditional operations.
 363         (add_commas): New function, to add commas every 3 digits.
 364         (sim_size): Call add_commas to print numbers.
 365         (sim_{open,resume}): Delete unused variables.
 366         (sim_info): Provide better statistics.
 367         (sim_read): Add int return type.
 368
 369 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 370
 371         * interp.c (sim_resume): Change the way single-stepping and exceptions
 372         are handled so single-stepping works again.
 373
 374 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 375
 376         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 377         endian hosts.
 378
 379         * configure.in (--enable-sim-bswap): New switch to enable using
 380         the BSWAP instruction on x86's.
 381         * configure: Regenerate.
 382
 383         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 384         support.
 385
 386 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 387
 388         * endian.c: New file.  Move endian functions here from interp.c.
 389         Optimize code, and make it work as either inline functions or as a
 390         separate file.
 391
 392         * interp.c: Move endian functions from here to endian.c.
 393
 394         * Makefile.in (INCLUDE): Add endian.c.
 395         (run,libsim.a): Add dependency on endian.o.
 396         (endian.o): Add dependency.
 397
 398         * d10v_sim.h (read/write support): Always go through the machine
 399         independent endian functions.  If compiling with GCC and
 400         optimizing, include endian.c so the endian functions are inlined.
 401
 402         * simops.c (OP_5F00): Correct tracing of accumulators.
 403
 404 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 405
 406         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 407
 408         * interp.c (do_{2_short,parallel}): If an exception is raised,
 409         don't execute the second instruction.
 410
 411 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 412
 413         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 414         temporary in case the register is overriden when loading.
 415         (OP_6200): Output type is OP_DREG for tracing.
 416
 417 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 418
 419         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 420
 421         * interp.c (sim_size): Initialize mem_{min,max} fields.
 422         (sim_write): Update mem_{min,max} fields.
 423         (sim_resume): If PC is not in the minimum/maximum memory range,
 424         abort.
 425         (sim_create_inferior): Preserve mem_{min,max} fields.
 426
 427 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 428
 429         * simops.c (OP_5F00): Add support for time() system call.
 430
 431 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 432
 433         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 434         stored if tracing.
 435         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 436         system calls.
 437
 438 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 439
 440         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 441         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 442         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 443         to call/subroutine returns to trace the first two arguments and
 444         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 445
 446 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 447
 448         * interp.c (sim_create_inferior): Reinitialize State every time
 449         sim_create_inferior() is called.
 450
 451 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 452
 453         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 454         on comparisons.
 455         (OP_401): Fix tracing information.
 456
 457 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 458
 459         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 460         (trace_input_func): Use them.
 461         (trace_input_func): Make sure there is a trailing space after the
 462         instruction.
 463         (OP_6200): Fix tracing info.
 464
 465         * Makefile.in (run): Add dependencies on libbfd.a and
 466         libiberity.a.
 467
 468 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 469
 470         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 471         numbers and function names in debug trace.
 472         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 473         DEBUG_LINE_NUMBER.
 474         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 475         and exit system call trap being executed.
 476
 477         * interp.c (sim_stop_reason): Set exit code correctly for stop
 478         instruction and exit system call trap.
 479
 480         * configure.in (--enable-sim-cflags): Remove trace case.
 481         (--enable-sim-debug): New switch to set the debug values.
 482         * configure: Regenerate.
 483
 484         * simops.c (trace_{input,output}_func): Rename from
 485         trace_{input,output}.
 486         (trace_{input,output}): Call trace_{input,output}_func if
 487         d10v_debug is non-zero.
 488         (SIZE_INSTRUCTION): Cut down to 8.
 489         (SIZE_OPERANDS): Cut down to 18.
 490         (SIZE_LOCATION): New value for size of line number, function name
 491         field.
 492         (init_text_p,text{,_start,_end}): New static variables for
 493         printing line number and function name.
 494         (exec_bfd): New external that run.c sets.
 495         (trace_input_func): Print line number and function name if
 496         available and if desired.
 497         (OP_4E09): Don't print out DBT message.
 498         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 499         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 500
 501 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 502
 503         * interp.c (do_2_short): If the instruction encodes jump->ins,
 504         don't do the second instruction if the jump succeeds.
 505
 506 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 507
 508         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 509         accumulators, PC, and F0/F1/C flags.
 510
 511 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 512
 513         * simops.c (OP_5F00): Fix problems with system calls.
 514
 515 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 516
 517         * simops.c (OP_5F00): Correct tracing information for trap.
 518
 519 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 520
 521         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 522
 523 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 524
 525         * simops.c (trace_output): Properly align accumulator output.
 526         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 527         if shift count is too high.
 528         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 529         (OP_4E09): Make cpfg properly trace the input flags.
 530         (op_types): Add OP_FLAG_OUTPUT.
 531         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 532         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 533         an 8-bit memory reference instruction for tracing purposes.
 534         (OP_201): Addi needs to set the carry.
 535
 536 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 537
 538         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 539         to use signed register values.
 540
 541 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 542
 543         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 544         output.
 545         (_ins_type): New enumeration to specify which container an
 546         instruction is in, and whether it is part of a parallel operation.
 547         (_state): Add ins_type field.
 548         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 549         (ins_type_counters): Counters for the various instruction types.
 550         ({left,right}_nops): Counters for the number of nops in each
 551         container.
 552         (d10v_debug): New variable to indicate whether debugging is turned
 553         on.
 554
 555         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 556         the input and output values can be traced, along with the
 557         instruction type.  Make the -t option enable tracing.
 558         (all functions): Change printf calls to use the printf_filtered
 559         function in the callback table.
 560
 561         * interp.c (_leftright): New enumeration to say whether 2 short
 562         instructions are done left first or right first.
 563         (do_{long,2_short,parallel}): Indicate in the machine state which
 564         type of instruction this is.  Count each of the types of
 565         instructions executed.
 566         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 567         flag is set.
 568         (sim_resume): Pass left/right indication to do_2_short.
 569         (all functions): Change printf calls to use the printf_filtered
 570         function in the callback table.
 571         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 572         sim_resume.
 573         (sim_info): Print out statistics on instructions.
 574         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 575         debugging.
 576         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 577         Only initialize the hash table the first time sim_open is called.
 578
 579         * Makefile.in: Make objects depend on d10v_sim.h.
 580         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 581         CFLAGS does not override host/target defines or SIM_CFLAGS.
 582         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 583         (run): By default, the math library is not needed to be linked
 584         in.
 585         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 586         overridden.
 587         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 588         makes.
 589         ({run,callback}.o): Provide explicit paths to their appropriate
 590         source directories.
 591         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 592         and linking.  Instead of linking in libopcodes.a, just compile
 593         d10v-opc.o directly to handle canadian cross.
 594         (CSEARCH): Add opcodes directory.
 595
 596         * configure.in (--enable-sim-cflags): New switch to allow user to
 597         set the defaults.
 598         (CC_FOR_BUILD): Deal with canadian crosses.
 599         * configure: Regenerate.
 600
 601 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 602
 603         * simops.c: Include correct syscall.h for d10v, not host's.
 604         Fix #ifdef SYS_stat.
 605
 606 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 607
 608         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 609         Add trap 2 to be printf and trap 3 to be putchar.
 610
 611 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 612
 613         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 614         for low-level system calls.
 615
 616 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 617
 618         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 619
 620 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 621
 622         * d10v_sim.h (SEXT32): Added.
 623         * interp.c: Commented out printfs.
 624         * simops.c:  Fixed error in sb and st2w.
 625
 626 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 627
 628         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 629         DSP instructions.  Added modulo addressing.
 630
 631 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 632
 633         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 634
 635 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 636
 637         * d10v_sim.h, simops.c: Snapshot.
 638
 639 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 640
 641         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 642         gencode.c, interp.c, simops.c: Created.
 643