sim/mn10300/ChangeLog

   1 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
   2
   3         * Makefile.in: Last change was bad.  Define NL_TARGET
   4         so that targ-vals.h will be used instead of syscall.h.
   5         * simops.c: Use targ-vals.h instead of syscall.h.
   6         (OP_F020): Disable unsupported system calls.
   7
   8 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
   9
  10         * Makefile.in: Get header files from libgloss/mn10300/sys.
  11
  12 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
  13
  14         * simops.c: Include sim-types.h.
  15
  16 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
  17
  18         * simops.c (multiply instructions): Cast input operands to a
  19         signed64/unsigned64 type as appropriate.
  20
  21 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  22
  23         * interp.c (sim_store_register, sim_fetch_register): Pass in
  24         length parameter.  Return -1.
  25
  26 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  27
  28         * configure: Regenerated to track ../common/aclocal.m4 changes.
  29
  30 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  31
  32         * configure: Regenerated to track ../common/aclocal.m4 changes.
  33
  34 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
  35
  36         * configure: Regenerated to track ../common/aclocal.m4 changes.
  37
  38 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  39
  40         * configure: Regenerated to track ../common/aclocal.m4 changes.
  41         * config.in: Ditto.
  42
  43 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  44
  45         * configure: Regenerated to track ../common/aclocal.m4 changes.
  46
  47 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
  48
  49         * simops.c (call:16 call:32): Stack adjustment is determined solely
  50         by the imm8 field.
  51
  52 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  53
  54         * interp.c (sim_load): Pass lma_p and sim_write args to
  55         sim_load_file.
  56
  57 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
  58
  59         * simops.c: Correctly handle register restores for "ret" and "retf"
  60         instructions.
  61
  62 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  63
  64         * configure: Regenerated to track ../common/aclocal.m4 changes.
  65
  66 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  67
  68         * configure: Regenerated to track ../common/aclocal.m4 changes.
  69
  70 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  71
  72         * configure: Regenerated to track ../common/aclocal.m4 changes.
  73
  74 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  75
  76         * configure: Regenerated to track ../common/aclocal.m4 changes.
  77
  78 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  79
  80         * configure: Regenerated to track ../common/aclocal.m4 changes.
  81
  82 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  83
  84         * configure: Regenerated to track ../common/aclocal.m4 changes.
  85
  86 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
  87
  88         * configure: Regenerated to track ../common/aclocal.m4 changes.
  89
  90 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  91
  92         * configure: Regenerated to track ../common/aclocal.m4 changes.
  93         * config.in: Ditto.
  94
  95 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  96
  97         * interp.c (sim_kill): Delete.
  98         (sim_create_inferior): Add ABFD argument.
  99         (sim_load): Move setting of PC from here.
 100         (sim_create_inferior): To here.
 101
 102 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * configure: Regenerated to track ../common/aclocal.m4 changes.
 105         * config.in: Ditto.
 106
 107 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * interp.c (sim_open): Add ABFD argument.
 110
 111 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 112
 113         * interp.c (sim_resume): Clear State.exited.
 114         (sim_stop_reason): If State.exited is nonzero, then indicate that
 115         the simulator exited instead of stopped.
 116         * mn10300_sim.h (struct _state): Add exited field.
 117         * simops.c (syscall): Set State.exited for SYS_exit.
 118
 119 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 120
 121         * simops.c: Fix thinko in last change.
 122
 123 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 124
 125         * simops.c: "call" stores the callee saved registers into the
 126         stack!  Update the stack pointer properly when done with
 127         register saves.
 128
 129         * simops.c: Fix return address computation for "call" instructions.
 130
 131 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 132
 133         * interp.c (sim_open): Fix typo.
 134
 135 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 136
 137         * interp.c (sim_resume): Add missing case in big switch
 138         statement (for extb instruction).
 139
 140 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 141
 142         * interp.c: Replace all references to load_mem and store_mem
 143         with references to load_byte, load_half, load_3_byte, load_word
 144         and store_byte, store_half, store_3_byte, store_word.
 145         (INLINE): Delete definition.
 146         (load_mem_big): Likewise.
 147         (max_mem): Make it global.
 148         (dispatch): Make this function inline.
 149         (load_mem, store_mem): Delete functions.
 150         * mn10300_sim.h (INLINE): Define.
 151         (RLW): Delete unused definition.
 152         (load_mem, store_mem): Delete declarations.
 153         (load_mem_big): New definition.
 154         (load_byte, load_half, load_3_byte, load_word): New functions.
 155         (store_byte, store_half, store_3_byte, store_word): New functions.
 156         * simops.c:  Replace all references to load_mem and store_mem
 157         with references to load_byte, load_half, load_3_byte, load_word
 158         and store_byte, store_half, store_3_byte, store_word.
 159
 160 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 161
 162         * interp.c (sim_open): Add callback to arguments.
 163         (sim_set_callbacks): Delete SIM_DESC argument.
 164
 165 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 166
 167         * interp.c (dispatch): Make this an inline function.
 168
 169         * simops.c (syscall): Use callback->write regardless of
 170         what file descriptor we're writing too.
 171
 172 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 173
 174         * interp.c (load_mem_big): Remove function.  It's now a macro
 175         defined elsewhere.
 176         (compare_simops): New function.
 177         (sim_open): Sort the Simops table before inserting entries
 178         into the hash table.
 179         * mn10300_sim.h: Remove unused #defines.
 180         (load_mem_big): Define.
 181
 182 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 183
 184         * interp.c (load_mem): If we get a load from an out of range
 185         address, abort.
 186         (store_mem): Likewise for stores.
 187         (max_mem): New variable.
 188
 189 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 190
 191         * mn10300_sim.h: Fix ordering of bits in the PSW.
 192
 193         * interp.c: Improve hashing routine to avoid long list
 194         traversals for common instructions.  Add HASH_STAT support.
 195         Rewrite opcode dispatch code using a big switch instead of
 196         cascaded if/else statements.  Avoid useless calls to load_mem.
 197
 198 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 199
 200         * mn10300_sim.h (struct _state): Add space for mdrq register.
 201         (REG_MDRQ): Define.
 202         * simops.c: Don't abort for trap.  Add support for the extended
 203         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 204         and "bsch".
 205
 206 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 207
 208         * configure: Regenerated to track ../common/aclocal.m4 changes.
 209
 210 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 211
 212         * interp.c (sim_stop): Add stub function.
 213
 214 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 215
 216         * Makefile.in (SIM_OBJS): Add sim-load.o.
 217         * interp.c (sim_kind, myname): New static locals.
 218         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 219         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 220         load file into simulator.  Set start address from bfd.
 221         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 222
 223 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 224
 225         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 226         only include if implemented by host.
 227         (OP_F020): Typecast arg passed to time function;
 228
 229 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 230
 231         * simops.c (syscall): Handle new mn10300 calling conventions.
 232
 233 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 234
 235         * configure: Regenerated to track ../common/aclocal.m4 changes.
 236         * config.in: Ditto.
 237
 238 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 239
 240         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 241         corresponding change in opcodes directory.
 242
 243 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 244
 245         * interp.c (sim_open): New arg `kind'.
 246
 247         * configure: Regenerated to track ../common/aclocal.m4 changes.
 248
 249 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 250
 251         * configure: Regenerated to track ../common/aclocal.m4 changes.
 252
 253 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 254
 255         * simops.c: Fix register extraction for a two "movbu" variants.
 256         Somewhat simplify "sub" instructions.
 257         Correctly sign extend operands for "mul".  Put the correct
 258         half of the result in MDR for "mul" and "mulu".
 259         Implement remaining instructions.
 260         Tweak opcode for "syscall".
 261
 262 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 263
 264         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 265         dummy "trap" instruction.
 266
 267 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 268
 269         * configure: Regenerated to track ../common/aclocal.m4 changes.
 270
 271 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 272
 273         * configure: Re-generate.
 274
 275 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 276
 277         * configure: Regenerate to track ../common/aclocal.m4 changes.
 278
 279 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 280
 281         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 282         in argv form.
 283         (other sim_*): New SIM_DESC argument.
 284
 285 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 286
 287         * simops.c: Fix carry bit computation for "add" instructions.
 288
 289         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 290         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 291
 292 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 293
 294         * simops.c: Fix register references when computing Z and N bits
 295         for lsr imm8,dn.
 296
 297 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 298
 299         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 300         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 301         * configure.in: sinclude ../common/aclocal.m4.
 302         * configure: Regenerated.
 303
 304 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 305
 306         * interp.c (init_system): Allocate 2^19 bytes of space for the
 307         simulator.
 308
 309 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 310
 311         * configure configure.in Makefile.in:  Update to new configure
 312         scheme which is more compatible with WinGDB builds.
 313         * configure.in:  Improve comment on how to run autoconf.
 314         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 315         * Makefile.in:  Use autoconf substitution to install common
 316         makefile fragment.
 317
 318 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 319
 320         * simops.c: Undo last change to "rol" and "ror", original code
 321         was correct!
 322
 323 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 324
 325         * simops.c: Fix "rol" and "ror".
 326
 327 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 328
 329         * simops.c: Fix typo in last change.
 330
 331 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 332
 333         * simops.c: Use REG macros in few places not using them yet.
 334
 335 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 336
 337         * mn10300_sim.h (struct _state): Fix number of registers!
 338
 339 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 340
 341         * mn10300_sim.h (struct _state): Put all registers into a single
 342         array to make gdb implementation easier.
 343         (REG_*): Add definitions for all registers in the state array.
 344         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 345         * simops.c: Related changes.
 346
 347 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 348
 349         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 350
 351         * simops.c: Fix overflow computation for "add" and "inc"
 352         instructions.
 353
 354 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 355
 356         * simops.c: Handle "break" instruction.
 357
 358         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 359
 360 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 361
 362         * gencode.c (write_opcodes): Also write out the format of the
 363         opcode.
 364         * mn10300_sim.h (simops): Add "format" field.
 365         * interp.c (sim_resume): Deal with endianness issues here.
 366
 367 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 368
 369         * simops.c (REG0_4): Define.
 370         Use REG0_4 for indexed loads/stores.
 371
 372 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 373
 374         * simops.c (REG0_16): Fix typo.
 375
 376 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 377
 378         * simops.c: Call abort for any instruction that's not currently
 379         simulated.
 380
 381         * simops.c: Define accessor macros to extract register
 382         values from instructions.  Use them consistently.
 383
 384         * interp.c: Delete unused global variable "OP".
 385         (sim_resume): Remove unused variable "opcode".
 386         * simops.c: Fix some uninitialized variable problems, add
 387         parens to fix various -Wall warnings.
 388
 389         * gencode.c (write_header): Add "insn" and "extension" arguments
 390         to the OP_* declarations.
 391         (write_template): Similarly for function templates.
 392         * interp.c (insn, extension): Remove global variables.  Instead
 393         pass them as arguments to the OP_* functions.
 394         * mn10300_sim.h: Remove decls for "insn" and "extension".
 395         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 396         instead of using globals.
 397
 398 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 399
 400         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 401
 402         * simops.c: Fix thinkos in last change to "inc dn".
 403
 404 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 405
 406         * simops.c: "add imm,sp" does not effect the condition codes.
 407         "inc dn" does effect the condition codes.
 408
 409 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 410
 411         * simops.c: Treat both operands as signed values for
 412         "div" instruction.
 413
 414         * simops.c: Fix simulation of division instructions.
 415         Fix typos/thinkos in several "cmp" and "sub" instructions.
 416
 417 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 418
 419         * simops.c: Fix carry bit handling in "sub" and "cmp"
 420         instructions.
 421
 422         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 423
 424 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 425
 426         * simops.c: Fix overflow computation for many instructions.
 427
 428         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 429
 430         * simops.c: Fix "mov am, dn".
 431
 432         * simops.c: Fix more bugs in "add imm,an" and
 433         "add imm,dn".
 434
 435 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 436
 437         * simops.c: Fix bugs in "movm" and "add imm,an".
 438
 439         * simops.c: Don't lose the upper 24 bits of the return
 440         pointer in "call" and "calls" instructions.  Rough cut
 441         at emulated system calls.
 442
 443         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 444
 445         * simops.c: Implement remaining 4 byte instructions.
 446
 447         * simops.c: Implement remaining 3 byte instructions.
 448
 449         * simops.c: Implement remaining 2 byte instructions.  Call
 450         abort for instructions we're not implementing now.
 451
 452 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 453
 454         * simops.c: Implement lots of random instructions.
 455
 456         * simops.c: Implement "movm" and "bCC" insns.
 457
 458         * mn10300_sim.h (_state): Add another register (MDR).
 459         (REG_MDR): Define.
 460         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 461         a few additional random insns.
 462
 463         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 464         (REG_D0, REG_A0, REG_SP): Define.
 465         * simops.c: Implement "add", "addc" and a few other random
 466         instructions.
 467
 468         * gencode.c, interp.c: Snapshot current simulator code.
 469
 470 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 471
 472         * Makefile.in, config.in, configure, configure.in: New files.
 473         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 474