sim/mn10300/ChangeLog

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