sim/v850/ChangeLog

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