sim/v850/ChangeLog

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