sim/mn10300/ChangeLog

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