sim/d10v/ChangeLog

   1 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
   4
   5 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   6
   7         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
   8         reserved trap from 0 to 15. Add trap emulation code for 0-14.
   9
  10         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
  11         IBA for SDBT.
  12
  13         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
  14         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
  15
  16         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
  17         use move_to_cr.
  18         (OP_5F00): For "trap", update BPSW with move_to_cr.
  19
  20 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  21
  22         * d10v_sim.h (enum): Enumerate CR register names.
  23         (enum): Enumerate PSW bit values.
  24         (PSW): Obtain value uing move_from_cr.
  25         (MOD_S, MOD_E, BPSW): Make r-values.
  26         (move_from_cr, move_to_cr): Declare functions.
  27
  28         * interp.c (sim_fetch_register, sim_store_register): Use
  29         move_from_cr and move_to_cr for CR register transfers.
  30
  31         * simops.c (move_from_cr, move_to_cr): New functions.
  32         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
  33         (OP_5600): For "mvtc", use function move_to_cr.
  34         (OP_5200): For "mvfc", use function move_from_cr.
  35
  36 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  37
  38         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
  39         LSbit is zero.
  40
  41 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  42
  43         * configure: Regenerated to track ../common/aclocal.m4 changes.
  44
  45 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  46
  47         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
  48
  49         * simops.c (OP_5600): For "mvtc", save PSW.DM.
  50         (OP_5200): Ditto for "mvfc".
  51
  52 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  53
  54         * d10v_sim.h (SEXT56): Define.
  55
  56         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
  57         it is shifted.
  58
  59         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
  60         SIGNED64 macro.
  61
  62 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
  63
  64         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
  65         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
  66         don't match enum values.
  67
  68 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  69
  70         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
  71         bit rather than 16 bit precision.
  72         (OP_3C00): For "mulxu", store unsigned product in ACC.
  73         (OP_3800): For "msbu", subtract unsigned product from ACC,
  74         (OP_0): For "sub", compute carry by comparing inputs.
  75
  76 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  77
  78         * simops.c (OP_1000): For "sub2w", compute carry by comparing
  79         inputs.
  80
  81 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  82
  83         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
  84         carry indicated by value > 0xffff.
  85
  86 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  87
  88         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
  89         handled by client.
  90         (sim_resume): Fix race condition of a direct assignment to
  91         stop_simulator, conditionally call sim_stop.
  92         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
  93         stop_simulator ready for next sim_resume call.
  94         (sim_ctrl_c): Delete function.
  95
  96 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  97
  98         * interp.c (sim_resume): For "REP", only check/update the PC when
  99         a branch instruction has not been executed.
 100
 101 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 102
 103         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 104         extend bit 44 all constants.
 105         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 106
 107 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * d10v_sim.h: Include sim-types.h.
 110         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 111         using unsigned8 et.al. from sim-types.h.
 112         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 113         SIGNED64 macro.
 114
 115 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 116
 117         * interp.c (sim_write_phys): New function, write to physical
 118         instead of virtual memory.
 119
 120         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 121         sim_load_file.
 122
 123 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 124
 125         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 126         exception generation code to OP_6E01.
 127         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 128         generation code.
 129
 130 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 131
 132         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 133         (OP_6601): Ditto.
 134
 135 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 136
 137         * configure: Regenerated to track ../common/aclocal.m4 changes.
 138
 139 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 140
 141         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 142         IMAP1 selects unified memory.
 143         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 144         for end condition.
 145
 146 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 147
 148         * configure: Regenerated to track ../common/aclocal.m4 changes.
 149
 150 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 151
 152         * configure: Regenerated to track ../common/aclocal.m4 changes.
 153
 154 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 155
 156         * configure: Regenerated to track ../common/aclocal.m4 changes.
 157
 158 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 159
 160         * configure: Regenerated to track ../common/aclocal.m4 changes.
 161
 162 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 163
 164         * configure: Regenerated to track ../common/aclocal.m4 changes.
 165
 166 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 167
 168         * interp.c (sim_resume): Increment PC at end of rep
 169         loop.
 170
 171         * simops.c (OP_4201): Fix rachi instruction.
 172
 173 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 174
 175         * configure: Regenerated to track ../common/aclocal.m4 changes.
 176
 177 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 178
 179         * configure: Regenerated to track ../common/aclocal.m4 changes.
 180         * config.in: Ditto.
 181
 182 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 183
 184         * interp.c (sim_kill): Delete.
 185         (sim_create_inferior): Add ABFD argument.
 186         (sim_load): Move setting of PC from here.
 187         (sim_create_inferior): To here.
 188         (start_address): Delete variable.
 189
 190 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 191
 192         * configure: Regenerated to track ../common/aclocal.m4 changes.
 193         * config.in: Ditto.
 194
 195 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 196
 197         * interp.c (sim_open): Add ABFD argument.
 198
 199 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 200
 201         * interp.c (sim_open): Add callback argument.
 202         (sim_set_callbacks): Remove SIM_DESC argument.
 203
 204 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 205
 206         * configure: Regenerated to track ../common/aclocal.m4 changes.
 207
 208 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 209
 210         * interp.c (sim_open): Undo patch to add -E support.
 211
 212 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 213
 214         * interp.c (sim_stop): New function.
 215
 216 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 217
 218         * Makefile.in (SIM_OBJS): Add sim-load.o.
 219         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 220         * interp.c: #include bfd.h.
 221         (myname, sim_kind, start_address): New static locals.
 222         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 223         (decode_pc): Update to use prog_bfd.
 224         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 225         (sim_close): Close prog_bfd if simulator opened it.
 226         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 227         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 228         Call sim_load_file to load file into simulator.
 229         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 230
 231 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 232
 233         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 234         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 235
 236 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 237
 238         * configure: Regenerated to track ../common/aclocal.m4 changes.
 239         * config.in: Ditto.
 240
 241 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 242
 243         * interp.c (sim_open): New arg `kind'.
 244
 245         * configure: Regenerated to track ../common/aclocal.m4 changes.
 246
 247 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 248
 249         * configure: Regenerated to track ../common/aclocal.m4 changes.
 250
 251 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 252
 253         * configure: Re-generate.
 254
 255 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 256
 257         * configure: Regenerate to track ../common/aclocal.m4 changes.
 258
 259         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 260         as trap 0, which will be deprecated.  Only set errno, if an error
 261         in fact was returned.
 262
 263 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 264
 265         * interp.c: Delete redundant prototypes of sim_foo fns.
 266         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 267         (other sim_*): New SIM_DESC argument.
 268
 269 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 270
 271         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 272         callback functions.
 273         (OP_5F00): Ditto.
 274         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 275         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 276         setting the carry bit after an add or a subtract.
 277
 278 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 279
 280         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 281         40 bits of accumulators.  Sign/zero extend as appropriate.
 282
 283 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 284
 285         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 286         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 287         * configure.in: sinclude ../common/aclocal.m4.
 288         * configure: Regenerated.
 289
 290 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 291
 292         * configure configure.in Makefile.in:  Update to new configure
 293         scheme which is more compatible with WinGDB builds.
 294         * configure.in:  Improve comment on how to run autoconf.
 295         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 296         * Makefile.in:  Use autoconf substitution to install common
 297         makefile fragment.
 298
 299 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 300
 301         * gencode.c: patch to not #include "d10v_sim.h" which
 302         unecessarily includes bfd.h and causes wingdb configure
 303         to fail.
 304
 305 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 306
 307         * interp.c (xfer_mem): Change unified memory to 0x0.
 308
 309 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 310
 311         * simops.c (OP_3E01): Fix tracing information.
 312         (OP_300{0,1}): Do not propigate sign.
 313
 314 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 315
 316         * config.in (WORDS_BIGENDIAN): Add.
 317         * configure: Regenerated.
 318         * d10v_sim.h: #include "config.h"
 319
 320 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 321
 322         * gencode.c (write_opcodes): Eliminate warnings when generated
 323         table.c is compiled.
 324
 325 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 326
 327         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 328         was not returned.
 329         (dmem_addr): If address is illegal or in I/O space, signal a bus
 330         error.
 331         (pc_addr): Signal bus error, not illegal instruction for bogus
 332         pc.
 333
 334 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 335
 336         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 337         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 338         * configure.in: Simplify using macros in ../common/aclocal.m4.
 339         Call AC_CHECK_HEADERS(unistd.h).
 340         * configure: Regenerated.
 341         * config.in: New file.
 342         * interp.c: #include "callback.h".
 343         * simops.c: #include "config.h".  #include <unistd.h> if present.
 344
 345 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 346
 347         * d10v-sim.h (simops): Add flag is_long.
 348         (State): Add pc_changed.  Instructions which update the PC should
 349         use the JMP macro which sets this.
 350         (JMP): New macro.  Sets the PC and the pc_changed flag.
 351
 352         * gencode.c (write_opcodes): Add is_long field.
 353
 354         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 355         to a long opcode we could get a false match.  Check the opcode size.
 356         (hash): Add a size field to the hash table.
 357         (sim_open): Initialize size field in hash table.
 358         (sim_resume): Change to logic for setting the PC.  Used to increment the
 359         PC if it had not been changed.  This didn't allow single-instruction loops.
 360         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 361         (dmem_addr): Fix translation of data segments to unified memory.
 362         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 363
 364         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 365         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 366         a ldi.s instruction.
 367
 368 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 369
 370         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 371         updating the accumulators was overwriting other parts of the global
 372         State variable.
 373
 374 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 375
 376         * interp.c (bfd.h) Don't include it here any more.
 377         (text{,_start,_end}): Move here from simops.c and make extern.
 378         (decode_pc): New function to return the PC as an address that the
 379         debugger can use.
 380         (dmem_addr): Print decoded PC in error message.
 381         (pc_addr): Ditto.
 382
 383         * simops.c (bfd.h) Don't include it here any more.
 384         (text{,_start,_end}): Move to simops.c.
 385         (trace_input_func): Move decoding of PC, and looking up .text
 386         start to decode_pc.
 387
 388         * d10v_sim.h (bfd.h): Include it here.
 389         (text{,_start,_end}): Add external declarations.
 390         (exec_bfd): Ditto.
 391         (decode_pc): Ditto.
 392
 393 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 394
 395         * interp.c (sim_size): Now allocates unified memory for imap segments
 396         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 397         (sim_write): Just call xfer_mem().
 398         (sim_read): Just call xfer_mem().
 399         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 400         (dmem_addr): New function. Reads dmap register and translates data
 401         addresses to local addresses.
 402         (pc_addr): New function. Reads imap register and computes local address
 403         corresponding to contents of the PC.
 404         (sim_resume): Change to use pc_addr().
 405         (sim_create_inferior): Change reinitialization code. Also reinitializes
 406         imap[01] and dmap.
 407         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 408         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 409
 410         * simops.c (MEMPTR): Redefine to use dmem_addr().
 411         (OP_5F00): Replace references to STate.imem with dmem_addr().
 412
 413         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 414         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 415         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 416
 417 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 418
 419         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 420         better statistics, like not counting NOPS as parallel
 421         instructions, and printing total cycles.
 422         (ins_type_counters): Make unsigned long.
 423         (left_nops,right_nops): Fold into ins_type_counters.
 424
 425         * simops.c (trace_input_func): Print new instruction types.
 426         Handle OP_R2R3 as input types.
 427         (OP_{38000000,7000}): Correctly sign extend bytes.
 428         (OP_5E00): Don't count NOPs as parallel instructions.
 429         (OP_460B): Remove unused variable.
 430         (OP_5F00): Ditto.
 431
 432         * interp.c (ins_type_counters): Make unsigned long.
 433         (left_nops,right_nops): Delete.
 434         (most functions): Add prototypes.
 435         (INLINE): If GCC and optimize define as __inline__.
 436         ({,lookup_}hash,get_operands): Declare as INLINE.
 437         (do_parallel): Count conditional operations.
 438         (add_commas): New function, to add commas every 3 digits.
 439         (sim_size): Call add_commas to print numbers.
 440         (sim_{open,resume}): Delete unused variables.
 441         (sim_info): Provide better statistics.
 442         (sim_read): Add int return type.
 443
 444 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 445
 446         * interp.c (sim_resume): Change the way single-stepping and exceptions
 447         are handled so single-stepping works again.
 448
 449 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 450
 451         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 452         endian hosts.
 453
 454         * configure.in (--enable-sim-bswap): New switch to enable using
 455         the BSWAP instruction on x86's.
 456         * configure: Regenerate.
 457
 458         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 459         support.
 460
 461 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 462
 463         * endian.c: New file.  Move endian functions here from interp.c.
 464         Optimize code, and make it work as either inline functions or as a
 465         separate file.
 466
 467         * interp.c: Move endian functions from here to endian.c.
 468
 469         * Makefile.in (INCLUDE): Add endian.c.
 470         (run,libsim.a): Add dependency on endian.o.
 471         (endian.o): Add dependency.
 472
 473         * d10v_sim.h (read/write support): Always go through the machine
 474         independent endian functions.  If compiling with GCC and
 475         optimizing, include endian.c so the endian functions are inlined.
 476
 477         * simops.c (OP_5F00): Correct tracing of accumulators.
 478
 479 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 480
 481         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 482
 483         * interp.c (do_{2_short,parallel}): If an exception is raised,
 484         don't execute the second instruction.
 485
 486 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 487
 488         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 489         temporary in case the register is overriden when loading.
 490         (OP_6200): Output type is OP_DREG for tracing.
 491
 492 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 493
 494         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 495
 496         * interp.c (sim_size): Initialize mem_{min,max} fields.
 497         (sim_write): Update mem_{min,max} fields.
 498         (sim_resume): If PC is not in the minimum/maximum memory range,
 499         abort.
 500         (sim_create_inferior): Preserve mem_{min,max} fields.
 501
 502 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 503
 504         * simops.c (OP_5F00): Add support for time() system call.
 505
 506 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 507
 508         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 509         stored if tracing.
 510         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 511         system calls.
 512
 513 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 514
 515         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 516         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 517         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 518         to call/subroutine returns to trace the first two arguments and
 519         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 520
 521 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 522
 523         * interp.c (sim_create_inferior): Reinitialize State every time
 524         sim_create_inferior() is called.
 525
 526 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 527
 528         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 529         on comparisons.
 530         (OP_401): Fix tracing information.
 531
 532 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 533
 534         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 535         (trace_input_func): Use them.
 536         (trace_input_func): Make sure there is a trailing space after the
 537         instruction.
 538         (OP_6200): Fix tracing info.
 539
 540         * Makefile.in (run): Add dependencies on libbfd.a and
 541         libiberity.a.
 542
 543 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 544
 545         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 546         numbers and function names in debug trace.
 547         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 548         DEBUG_LINE_NUMBER.
 549         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 550         and exit system call trap being executed.
 551
 552         * interp.c (sim_stop_reason): Set exit code correctly for stop
 553         instruction and exit system call trap.
 554
 555         * configure.in (--enable-sim-cflags): Remove trace case.
 556         (--enable-sim-debug): New switch to set the debug values.
 557         * configure: Regenerate.
 558
 559         * simops.c (trace_{input,output}_func): Rename from
 560         trace_{input,output}.
 561         (trace_{input,output}): Call trace_{input,output}_func if
 562         d10v_debug is non-zero.
 563         (SIZE_INSTRUCTION): Cut down to 8.
 564         (SIZE_OPERANDS): Cut down to 18.
 565         (SIZE_LOCATION): New value for size of line number, function name
 566         field.
 567         (init_text_p,text{,_start,_end}): New static variables for
 568         printing line number and function name.
 569         (exec_bfd): New external that run.c sets.
 570         (trace_input_func): Print line number and function name if
 571         available and if desired.
 572         (OP_4E09): Don't print out DBT message.
 573         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 574         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 575
 576 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 577
 578         * interp.c (do_2_short): If the instruction encodes jump->ins,
 579         don't do the second instruction if the jump succeeds.
 580
 581 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 582
 583         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 584         accumulators, PC, and F0/F1/C flags.
 585
 586 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 587
 588         * simops.c (OP_5F00): Fix problems with system calls.
 589
 590 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 591
 592         * simops.c (OP_5F00): Correct tracing information for trap.
 593
 594 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 595
 596         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 597
 598 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 599
 600         * simops.c (trace_output): Properly align accumulator output.
 601         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 602         if shift count is too high.
 603         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 604         (OP_4E09): Make cpfg properly trace the input flags.
 605         (op_types): Add OP_FLAG_OUTPUT.
 606         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 607         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 608         an 8-bit memory reference instruction for tracing purposes.
 609         (OP_201): Addi needs to set the carry.
 610
 611 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 612
 613         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 614         to use signed register values.
 615
 616 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 617
 618         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 619         output.
 620         (_ins_type): New enumeration to specify which container an
 621         instruction is in, and whether it is part of a parallel operation.
 622         (_state): Add ins_type field.
 623         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 624         (ins_type_counters): Counters for the various instruction types.
 625         ({left,right}_nops): Counters for the number of nops in each
 626         container.
 627         (d10v_debug): New variable to indicate whether debugging is turned
 628         on.
 629
 630         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 631         the input and output values can be traced, along with the
 632         instruction type.  Make the -t option enable tracing.
 633         (all functions): Change printf calls to use the printf_filtered
 634         function in the callback table.
 635
 636         * interp.c (_leftright): New enumeration to say whether 2 short
 637         instructions are done left first or right first.
 638         (do_{long,2_short,parallel}): Indicate in the machine state which
 639         type of instruction this is.  Count each of the types of
 640         instructions executed.
 641         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 642         flag is set.
 643         (sim_resume): Pass left/right indication to do_2_short.
 644         (all functions): Change printf calls to use the printf_filtered
 645         function in the callback table.
 646         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 647         sim_resume.
 648         (sim_info): Print out statistics on instructions.
 649         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 650         debugging.
 651         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 652         Only initialize the hash table the first time sim_open is called.
 653
 654         * Makefile.in: Make objects depend on d10v_sim.h.
 655         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 656         CFLAGS does not override host/target defines or SIM_CFLAGS.
 657         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 658         (run): By default, the math library is not needed to be linked
 659         in.
 660         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 661         overridden.
 662         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 663         makes.
 664         ({run,callback}.o): Provide explicit paths to their appropriate
 665         source directories.
 666         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 667         and linking.  Instead of linking in libopcodes.a, just compile
 668         d10v-opc.o directly to handle canadian cross.
 669         (CSEARCH): Add opcodes directory.
 670
 671         * configure.in (--enable-sim-cflags): New switch to allow user to
 672         set the defaults.
 673         (CC_FOR_BUILD): Deal with canadian crosses.
 674         * configure: Regenerate.
 675
 676 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 677
 678         * simops.c: Include correct syscall.h for d10v, not host's.
 679         Fix #ifdef SYS_stat.
 680
 681 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 682
 683         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 684         Add trap 2 to be printf and trap 3 to be putchar.
 685
 686 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 687
 688         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 689         for low-level system calls.
 690
 691 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 692
 693         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 694
 695 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 696
 697         * d10v_sim.h (SEXT32): Added.
 698         * interp.c: Commented out printfs.
 699         * simops.c:  Fixed error in sb and st2w.
 700
 701 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 702
 703         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 704         DSP instructions.  Added modulo addressing.
 705
 706 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 707
 708         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 709
 710 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 711
 712         * d10v_sim.h, simops.c: Snapshot.
 713
 714 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 715
 716         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 717         gencode.c, interp.c, simops.c: Created.
 718