sim/mn10300/ChangeLog

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