sim/mn10300/ChangeLog

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