sim/v850/ChangeLog

   1 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * simops.c (fetch_argv): New function, fetch a arg vector from
   4         simulator memory.
   5
   6         * configure.in: Check for fork, execve, execv.
   7         * configure: Regenerate.
   8
   9         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
  10         T2H_4 for byte swapping.
  11
  12         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
  13         put_half, put_byte): Delete.
  14
  15         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
  16
  17         * sim-main.h (load_mem, store_mem): Redefine as macros.
  18         (IMEM, IMEM_IMMED): New macros - fetch instructions.
  19
  20         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
  21         transfer data via a buffer.
  22         (fetch_str): New function, fetch string from memory.
  23
  24         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
  25
  26         * interp.c (sim_open): Establish memory maps using sim-memopt.c
  27         via sim_do_command.
  28         (sim_do_command): Print error if memory-map command is used. Call
  29         sim_args_command.
  30         (map): Delete, replaced by sim-core.
  31         (sim_memory_init): Delete, replaced by sim-core.
  32         (sim_set_memory_map): Delete, replaced by sim-memopt.
  33         (load_mem): Delete, replaced by sim-core.
  34         (store_mem): Delete, replaced by sim-core.
  35         (sim_write): Delete, replaced by sim-hrw.
  36         (sim_read): Delete, replaced by sim-hrw.
  37
  38         * sim-main.h (struct sim_state): Remove memory members, using
  39         sim-core.c
  40
  41 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  42
  43         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
  44         * interp.c (map): Do not add to a void pointer.
  45
  46         * Makefile.in (INCLUDE): Add sim-main.h
  47
  48         * configure.in: Check for time.h
  49         * configure: Re-generate.
  50
  51         * interp.c (struct interrupt_generator): Make time unsigned long,
  52         address SIM_ADDR.
  53         (sim_resume): Make oldpc SIM_ADDR.
  54         (struct hash_entry): Make mask/opcode unsigned.
  55
  56         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
  57
  58         * simops.c (utime.h): Include if available.
  59         (OP_10007E0): Check for UTIME function.
  60         (divun): Put parentheses around shift argument.
  61         (OP_640): Put parentheses around shift argument, was wrong.
  62         (OP_107F0): Return something.
  63
  64         * interp.c (sim_parse_number): Use strtoul not strtol.
  65         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
  66
  67         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
  68         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
  69         (SIM_AC_OPTION_HOST_ENDIAN): Add.
  70         (AC_CHECK_FUNCS): Add utime.
  71         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
  72         configure: Regenerate.
  73
  74
  75         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
  76         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
  77         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
  78         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
  79         (SIM_ENDIAN, SIM_WARNGINS): Define.
  80
  81         * simops.c (OP_10007E0): Use sim_io_* for transfers.
  82
  83         * interp.c (sim_resume): Pass sd around.
  84
  85         * simops.c (sim-main.h): Include.
  86
  87         * gencode.c (write_template): Generate #include sim-main.h.
  88         (write_opcodes): Ditto.
  89
  90         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
  91         (v850_callback): Ditto.
  92         (sim_kind, myname): Ditto.
  93         (lookup_hash): Pass SD. Use sim_io_error.
  94         (sim_set_memory_map): Pass in SD, use.
  95         (init_system): Pass in SD, use.
  96         (sim_open): Update.
  97         (sim_set_profile): Delete.
  98         (sim_set_profile_size): Delete.
  99         (do_interrupt): Pass in SD, use.
 100         (sim_info): Use sim_io_printf.
 101         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 102         argument.
 103         (sim_load): Delete, use common/sim-hload.c
 104         (sim_size): Rename to sim_memory_init.
 105         (sim_write): Remove call to init_system.
 106         (init_system): Delete.
 107         (sim_set_callbacks): Delete.
 108         (sim_set_interrupt): Pass in SD, use.
 109         (start_time): Delete.
 110
 111         * v850_sim.h: Remove everything except `struct simops' from here.
 112         * sim-main.h: Move most to here.
 113         * gencode.c: Move #includes to here.
 114
 115         * sim-main.h(struct _sim_cpu): Rename struct _state.
 116         (#define PC, et.al.): Update
 117         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 118         (int8, uint8, int16, uint16, int32, uint32): Define types using
 119         unsigned8 et.al from common/sim-types.h.
 120         * sim-main.h (State): Define as STATE_CPU.
 121
 122 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 123
 124         * configure.in: Check for time, chmod.
 125         * configure: Regenerate.
 126         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 127
 128         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 129         sys/syscall.h.
 130         (OP_10007E0): Check the existance each SYS_* macro independantly.
 131
 132         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 133
 134 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 135
 136         * configure: Regenerated to track ../common/aclocal.m4 changes.
 137         * config.in: Ditto.
 138
 139 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * interp.c (sim_kill): Delete.
 142         (sim_create_inferior): Add ABFD argument.
 143         (sim_load): Move setting of PC from here.
 144         (sim_create_inferior): To here.
 145
 146 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 147
 148         * configure: Regenerated to track ../common/aclocal.m4 changes.
 149         * config.in: Ditto.
 150
 151 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 152
 153         * interp.c (sim_open): Add ABFD argument.
 154
 155 start-sanitize-v850e
 156 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 157
 158         * simops.c (bsh): Only set CY flag if either of the bottom
 159         bytes is zero.
 160
 161         * simops.c (prepare, dispose): Lower numbered
 162         registers go to higher numbered address.
 163
 164         * simops.c (unsigned divide instructions): S bit set if result has
 165         top bit set.
 166
 167 start-sanitize-v850eq
 168         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 169         registers go to higher numbered address.
 170 end-sanitize-v850eq
 171 end-sanitize-v850e
 172
 173 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 174
 175         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 176         interpretation of SR bit in list18 structure.
 177 start-sanitize-v850eq
 178         (divn, divun): New functions to perform N step divide functions.
 179 end-sanitize-v850eq
 180
 181 start-sanitize-v850eq
 182 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 183
 184         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 185         with US bit set in the PSW.
 186 start-sanitize-v850eq
 187
 188 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 189
 190         * interp.c (sim_resume): Opcode functions return amount to be
 191         added to PC and all opcodes take a standard format in the OP[]
 192         array.
 193
 194         (do_format_*): Functions removed.
 195
 196         * v850_sim.h (SP, EP): New register mnemonics.
 197
 198         * gencode.c (write_header): Functions prototypes return an
 199         integer.
 200
 201         * simops.c: Opcode functions return amount to be added to PC.
 202
 203 start-sanitize-v850e
 204         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 205
 206         * simops.c: Add support for v850e instructions.
 207
 208         * .Sanitize (Do-first, Do-last): Add support for keep-v850e
 209         command line option.
 210
 211 end-sanitize-v850e
 212
 213 start-sanitize-v850eq
 214         * .Sanitize (Do-first, Do-last): Add support for keep-v850eq
 215         command line option.
 216
 217         * simops.c: Add support for v850eq instructions.
 218 end-sanitize-v850eq
 219
 220 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * interp.c (sim_open): Add callback argument.
 223         (sim_set_callbacks): Delete SIM_DESC argument.
 224
 225 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 226
 227         * configure: Regenerated to track ../common/aclocal.m4 changes.
 228
 229 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 230
 231         * interp.c (prog_bfd_was_opened_p): New static local.
 232         (prog_bfd): New global variable.
 233         (sim_open): Undo patch to add -E support.
 234         (sim_close): Close prog_bfd if sim_load opened it.
 235         (sim_load): Record bfd of loaded file in prog_bfd.
 236         * simops.c (prog_bfd): Renamed from exec_bfd.
 237
 238 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 239
 240         * interp.c (sim_stop): Stub function.
 241
 242 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 243
 244         * Makefile.in (SIM_OBJS): Add sim-load.o.
 245         * interp.c (sim_kind, myname): New static locals.
 246         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 247         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 248         load file into simulator.  Set start address from bfd.
 249         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 250
 251 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 252
 253         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 254         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 255
 256 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 257
 258         * configure: Regenerated to track ../common/aclocal.m4 changes.
 259         * config.in: Ditto.
 260
 261 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 262
 263         * interp.c (sim_open): New arg `kind'.
 264
 265         * configure: Regenerated to track ../common/aclocal.m4 changes.
 266
 267 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 268
 269         * configure: Regenerated to track ../common/aclocal.m4 changes.
 270
 271 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 272
 273         * configure: Regenerated to track ../common/aclocal.m4 changes.
 274
 275 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 276
 277         * configure: Re-generate.
 278
 279 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 280
 281         * configure: Regenerate to track ../common/aclocal.m4 changes.
 282
 283 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 284
 285         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 286         in argv form.
 287         (other sim_*): New SIM_DESC argument.
 288
 289 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 290
 291         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 292         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 293         * configure.in: sinclude ../common/aclocal.m4.
 294         * configure: Regenerated.
 295
 296 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 297
 298         * configure configure.in Makefile.in:  Update to new configure
 299         scheme which is more compatible with WinGDB builds.
 300         * configure.in:  Improve comment on how to run autoconf.
 301         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 302         * Makefile.in:  Use autoconf substitution to install common
 303         makefile fragment.
 304
 305 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 306
 307         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 308         not zero extend.
 309
 310 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 311
 312         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 313         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 314         SYS_gettimeofday and SYS_utime from MSVC.
 315
 316 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 317
 318         * simops.c (OP_10007E0): Know that kill encodes the signal number
 319         via: 0xdead0000 | signal and turn it back into a signal.
 320
 321 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 322
 323         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 324
 325         * interp.c (sim_open): Cast calloc function.
 326         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 327         program exited with the appropriate exit code.
 328         (sim_set_interrupt): Declare buildargv.
 329
 330         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 331         type correct and work on big endian systems.
 332
 333 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 334
 335         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 336         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 337         * configure.in: Simplify using macros in ../common/aclocal.m4.
 338         Call AC_CHECK_HEADERS(unistd.h).
 339         * configure: Regenerated.
 340         * config.in: New file.
 341         * simops.c: #include "config.h".  #include <unistd.h> if present.
 342
 343 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 344
 345         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 346         (EIPC, etc): New macros for system registers.
 347         * simops.c, interp.c: Use everywhere.
 348
 349         * interp.c: Add support for interrupts issued by interrupt
 350         generators, either PC- or time-based.  Controlled by simulator
 351         command "sim interrupt".
 352
 353         * interp.c: Add support for variable-size allocation of memory,
 354         via simulator command "sim memory-map".
 355         (map): Issue SIGSEGV for references to invalid memory regions.
 356
 357 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 358
 359         * simops.c: Include <sys/time.h> for struct timeval and
 360         struct timezone.
 361
 362 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 363
 364         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 365
 366         * simops.c (OP_10007E0): Handle SYS_time.
 367
 368 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 369
 370         * simops.c: Include <sys/stat.h>.
 371         (OP_10007E0): Handle SYS_stat.
 372
 373 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 374
 375         * simops.c (OP_10007E0): Don't declare errno.
 376
 377         * simops.c (OP_500): Mask off low bit in displacement
 378         for sld.w.
 379         (OP_501): Similarly.
 380
 381         * simops.c (OP_500): Fix displacement handling for sld.w.
 382         (OP_501): Similarly for sst.w.
 383
 384         * simops.c (trace_input): Remove all references to SEXT7.
 385         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 386         is zero extended for sst/sld instructions.
 387         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 388         was incorrect anyway).
 389
 390 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 391
 392         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 393         autoconf.
 394         * gencode.c (write_opcodes):  Pad operands field to account for
 395         MSVC braindamage.
 396         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 397         doesn't support it.  (Why is this here in the first place?!?)
 398         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 399         Change number of operands in struct simops from 9 to 6.  Define
 400         SIGTRAP and SIGQUIT for MSVC.
 401
 402 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 403
 404         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 405         * (map):  Add support for external mem in the 1->2 meg range.
 406         Also, abort() when memory access is way out of bounds.  (Better to
 407         die than to give wrong result.  (This will be fixed later.))
 408         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 409
 410 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 411
 412         * simops.c (trace_input): Swapped order of operands for output
 413         output of OP_IMM_REG.  Changed the fetching of the operands for
 414         OP_LOAD32, and OP_STORE32 to work like op-function.
 415
 416 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 417
 418         * interp.c:  Move includes of remote-sim.h and callback.h to
 419         v850-sim.h.
 420         * (lookup_hash): Add PC to report of hash failure.
 421         * (map load_mem store_mem):  New memory subsystem.  Models V851
 422         memory system.
 423         * (sim_write sim_read):  Use new memory subsystem.
 424         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 425         to make user-defined traps work right.
 426         * simops.c (OP_*):  Use new memory subsystem.
 427         * (OP_14007E0 (reti)):  Implement reti.
 428         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 429         trap 31.  Use new memory subsystem.
 430         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 431         load_mem in RLW macro.
 432
 433 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 434
 435         * gencode.c (write_opcodes):  Output hex values for opcode mask
 436         and patterns.
 437         * interp.c (sim_resume):  Save and restore PC from the appropriate
 438         register.
 439         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 440         with reading and writing registers.
 441         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 442
 443 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 444
 445         * simops.c (trace_input): Fix thinko.
 446
 447 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 448
 449         * simops.c (exec_bfd): Rename from sim_bfd.
 450         (trace_input): Ditto.
 451
 452 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 453
 454         * simops.c (trace_input): Use find_nearest_line to print line
 455         number, function name or file name of PC.
 456
 457 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 458
 459         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 460         doing hardwired shifts.
 461
 462         * configure.in (--enable-sim-cflags): Add switch to add additional
 463         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 464         tracing.
 465         * configure: Regenerate.
 466
 467         * Makefile.in: Don't require a VPATH capable make if configuring
 468         in the same directory.  Don't use CFLAGS for configuration flags.
 469         Add flags from --enable-sim-cflags.  Support canadian cross
 470         builds.  Rebuild whole simulator if include files change.
 471
 472         * interp.c (v850_debug): New global for debugging.
 473         (lookup_hash,sim_size,sim_set_profile): Use
 474         printf_filtered callback, instead of calling printf directly.
 475         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 476
 477         * v850_sim.h: Use limits.h to set the various sized types.
 478         (SEXT{5,7,16,22}): New macros.
 479
 480 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 481
 482         * interp.c (hash): Make this an inline function
 483         when compiling with GCC.  Simplify.
 484         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 485         some #if 0'd code.  Enable more emulated syscalls.
 486
 487 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 488
 489         * interp.c: Fix sign bit handling for add and sub instructions.
 490
 491 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 492
 493         * gencode.c: Fix various indention & style problems.
 494         Remove test code.  Remove #if 0 code.
 495         * interp.c: Provide prototypes for all static functions.
 496         Fix minor indention problems.
 497         (sim_open, sim_resume): Remove unused variables.
 498         (sim_read): Return type is "int".
 499         * simops.c: Remove unused variables.
 500         (divh): Make result of divide-by-zero zero.
 501         (setf): Initialize result to keep compiler quiet.
 502         (sar instructions): These just clear the overflow bit.
 503         * v850_sim.h: Provide prototypes for put_byte, put_half
 504         and put_word.
 505
 506         * interp.c: OP should be an array of 32bit operands!
 507         (v850_callback): Declare.
 508         (do_format_5): Fix extraction of OP[0].
 509         (sim_size): Remove debugging printf.
 510         (sim_set_callbacks): Do something useful.
 511         (sim_stop_reason): Gross hacks to get c-torture running.
 512         * simops.c: Simplify code for computing targets of bCC
 513         insns.   Invert 's' bit if 'ov' bit is set for some
 514         instructions.  Fix 'cy' bit handling for numerous
 515         instructions.  Make the simulator stop when a halt
 516         instruction is encountered.  Very crude support for
 517         emulated syscalls (trap 0).
 518         * v850_sim.h: Include "callback.h" and declare
 519         v850_callback.  Items in the operand array are 32bits.
 520
 521 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 522
 523         * interp.c (sim_resume): Fix code to check for a format 3
 524         opcode.
 525         * simops.c: bCC insns only argument is a constant, not a
 526         register value (duh...)
 527
 528 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 529
 530         * simops.c: Fix "not1" and "set1".
 531
 532         * simops.c: Don't forget to initialize temp for
 533         "ld.h" and "ld.w"
 534
 535         * interp.c: Remove various debugging printfs.
 536
 537         * simops.c: Fix satadd, satsub boundary case handling.
 538
 539         * interp.c (hash): Fix.
 540         * interp.c (do_format_8): Get operands correctly and
 541         call the target function.
 542         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 543
 544 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 545
 546         * interp.c (do_format_4): Get operands correctly and
 547         call the target function.
 548         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 549         "sst.h", and "sst.w".
 550
 551         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 552         accordingly.  Remove many unused definitions.
 553         * interp.c: The V850 doesn't have split I&D spaces.  Change
 554         accordingly.
 555         (get_longlong, get_longword, get_word): Deleted.
 556         (write_longlong, write_longword, write_word): Deleted.
 557         (get_operands): Deleted.
 558         (get_byte, get_half, get_word): New functions.
 559         (put_byte, put_half, put_word): New functions.
 560         * simops.c: Remove unused functions.  Rough cut at
 561         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 562
 563         * v850_sim.h (struct _state): Remove "psw" field.  Add
 564         "sregs" field.
 565         (PSW): Remove bogus definition.
 566         * simops.c: Change condition code handling to use the psw
 567         register within the sregs array.  Handle "ldsr" and "stsr".
 568
 569         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 570
 571         * interp.c (do_format_5): Get operands correctly and
 572         call the target function.
 573         (sim_resume): Don't do a PC update for format 5 instructions.
 574         * simops.c: Handle "jarl" and "jmp" instructions.
 575
 576         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 577         "di", and "ei" instructions correctly.
 578
 579         * interp.c (do_format_3): Get operands correctly and call
 580         the target function.
 581         * simops.c: Handle bCC instructions.
 582
 583         * simops.c: Add condition code handling to shift insns.
 584         Fix minor typos in condition code handling for other insns.
 585
 586         * Makefile.in: Fix typo.
 587         * simops.c: Add condition code handling to "sub" "subr" and
 588         "divh" instructions.
 589
 590         * interp.c (hash): Update to be more accurate.
 591         (lookup_hash): Call hash rather than computing the hash
 592         code here.
 593         (do_format_1_2): Handle format 1 and format 2 instructions.
 594         Get operands correctly and call the target function.
 595         (do_format_6): Get operands correctly and call the target
 596         function.
 597         (do_formats_9_10): Rough cut so shift ops will work.
 598         (sim_resume): Tweak to deal with format 1 and format 2
 599         handling in a single funtion.  Don't update the PC
 600         for format 3 insns.  Fix typos.
 601         * simops.c: Slightly reorganize.  Add condition code handling
 602         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 603         and "not" instructions.
 604         * v850_sim.h (reg_t): Registers are 32bits.
 605         (_state): The V850 has 32 general registers.  Add a 32bit
 606         psw and pc register too.  Add accessor macros
 607
 608         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 609         changes from the d10v simulator.
 610
 611         * simops.c: Add shift support.
 612
 613         * simops.c: Add multiply & divide support.  Abort for system
 614         instructions.
 615
 616         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 617         and subr.  No condition codes yet.
 618
 619 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 620
 621         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 622         gencode.c, interp.c, simops.c: Created.
 623