sim/mn10300/ChangeLog

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