sim/mn10300/ChangeLog

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