sim/mn10300/ChangeLog

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