sim/tic80/ChangeLog

   1 Tue Jul  4 13:58:43 2000  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * tic80.igen: Rename insns.  Re-format.
   4         * tic80.dc: rename dc.
   5         * tic80.ic: rename ic. Replace ``compute'' with ``cache''.
   6
   7 Wed May 24 14:40:34 2000  Andrew Cagney  <cagney@b1.cygnus.com>
   8
   9         * configure: Regenerated to track ../common/aclocal.m4 changes.
  10
  11 2000-04-12  Frank Ch. Eigler  <fche@redhat.com>
  12
  13         * cpu.h (GPR_CLEAR): New macro.
  14         (GPR_SET): Removed macro.
  15
  16 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  17
  18         * configure: Regenerated to track ../common/aclocal.m4 changes.
  19
  20 1999-05-08  Felix Lee  <flee@cygnus.com>
  21
  22         * configure: Regenerated to track ../common/aclocal.m4 changes.
  23
  24 Fri May  1 14:41:11 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  25
  26         * insns: Pass correct arguments to sim_engine_abort.
  27
  28 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
  29
  30         * configure: Regenerated to track ../common/aclocal.m4 changes.
  31
  32 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
  33
  34         * configure: Regenerated to track ../common/aclocal.m4 changes.
  35         * config.in: Ditto.
  36
  37 Sun Apr 26 15:19:45 1998  Tom Tromey  <tromey@cygnus.com>
  38
  39         * acconfig.h: New file.
  40         * configure.in: Reverted change of Apr 24; use sinclude again.
  41
  42 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
  43
  44         * configure: Regenerated to track ../common/aclocal.m4 changes.
  45         * config.in: Ditto.
  46
  47 Fri Apr 24 11:18:28 1998  Tom Tromey  <tromey@cygnus.com>
  48
  49         * configure.in: Don't call sinclude.
  50
  51 Fri Apr 24 19:43:30 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  52
  53         * ic (rBase, rLink): Make the type a pointer.
  54
  55 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  56
  57         * configure: Regenerated to track ../common/aclocal.m4 changes.
  58
  59 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  60
  61         * configure: Regenerated to track ../common/aclocal.m4 changes.
  62
  63 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  64
  65         * configure: Regenerated to track ../common/aclocal.m4 changes.
  66
  67 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  68
  69         * configure: Regenerated to track ../common/aclocal.m4 changes.
  70
  71 Wed Mar 11 14:12:56 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  72
  73         * alu.h (IMEM32_IMMED, IMEM32, STORE, MEM): Replace sim_core_*_map
  74         with read_map, write_map, exec_map resp.
  75
  76 Thu Feb 26 19:08:37 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  77
  78         * sim-calls.c (sim_info): Delete.
  79
  80 Tue Feb 17 14:35:05 1998  Michael Meissner  <meissner@cygnus.com>
  81
  82         * misc.c (tic80_trace_cond_br): Take size/code arguments, and
  83         decode bcond conditions and bbo/bbz comparison bits.
  84
  85         * cpu.h (tic80_trace_cond_br): Update prototype.
  86         (TRACE_COND_PR): Take size/code additional arguments.
  87
  88         * insns: (bbo/bbz/bcnd): Update call to TRACE_COND_PR.
  89
  90 Tue Feb 17 12:50:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  91
  92         * sim-calls.c (sim_store_register, sim_fetch_register): Pass in
  93         length parameter.  Return -1.
  94
  95 Fri Feb 13 17:11:22 1998  Michael Meissner  <meissner@cygnus.com>
  96
  97         * insns ({get,set}_fp_reg): Tic80 floating point is little endian,
  98         not big endian.
  99
 100         * misc.c (tic80_trace_fpu*): Pass address of sim_fpu structure,
 101         not the structure itself.  Use %g consistantly to print floating
 102         point.
 103
 104         * cpu.h: (tic80_trace_fpu*): Update prototypes.
 105
 106 Tue Feb  3 16:25:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 107
 108         * alu.h (IMEM32, IMEM32_IMMED): Rename IMEM and IMEM_IMMED so that
 109         in sync with recent igen change.
 110
 111 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 112
 113         * configure: Regenerated to track ../common/aclocal.m4 changes.
 114
 115 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 116
 117         * configure: Regenerated to track ../common/aclocal.m4 changes.
 118
 119 Fri Jan 30 11:47:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 120
 121         * cpu.h (CPU_CIA): Delete macro, replace with...
 122         (CIA_SET, CIA_GET): Define.
 123
 124 Wed Jan 28 18:44:33 1998  Michael Meissner  <meissner@cygnus.com>
 125
 126         * misc.c (tic80_trace_cmp_internal): New function to return
 127         compare bits as a string.
 128         (tic80_trace_{,fpu2}cmp): New functions for tracing cmp and fcmp.
 129
 130         * cpu.h (tic80_trace_{,fpu2}cmp): Add declaration.
 131         (TRACE_{,FPU2}CMP): New macros for tracing compares.
 132
 133         * insns (do_{,f}cmp): Use compare specific tracing functions to
 134         print out the flag bits.
 135
 136 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 137
 138         * configure: Regenerated to track ../common/aclocal.m4 changes.
 139
 140 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 141
 142         * configure: Regenerated to track ../common/aclocal.m4 changes.
 143         * config.in: Ditto.
 144
 145 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 146
 147         * configure: Regenerated to track ../common/aclocal.m4 changes.
 148
 149 Mon Nov 24 14:57:58 1997  Doug Evans  <devans@seba.cygnus.com>
 150
 151         * cpu.h (TRACE_COND_BR): Use TRACE_BRANCH_P, not TRACE_ALU_P.
 152
 153 Sat Nov 22 21:42:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 154
 155         * interp.c (engine_step): Replace SIGTRAP with SIM_SIGTRAP.
 156         (engine_run_until_stop): Replace SIGINT with SIM_SIGINT.
 157
 158         * sim-main.h: Include sim-signal.h.
 159         (SIGTRAP): Delete definition.
 160
 161         * interp.c, sim-calls.c: Do not include signal.h.
 162
 163         * insns (illegal): SIGILL -> SIM_SIGILL.
 164         (fp_unavailable): SIGFPE -> SIM_SIGFPE.
 165         (do_trap): SIGTRAP -> SIM_SIGTRAP.
 166
 167 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
 168
 169         * sim-main.h (CIA_ADDR): Define.
 170
 171         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
 172
 173 Fri Oct 17 17:26:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 174
 175         * alu.h (ALU32_END): Use ALU32_RESULT.
 176
 177 Mon Sep 29 12:49:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 178
 179         * insns (get_fp_reg, set_fp_reg): Update to use changed sim_fpu
 180         interface.
 181         (do_fadd, do_fcmp, do_fdiv, do_fmpy, do_frnd, do_fsub): Ditto.
 182
 183         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
 184         tic80_trace_fpu2i) Update to use changed sim_fpu interface.
 185
 186 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 187
 188         * configure.in (SIM_AC_OPTIONS_BITSIZE): Define.
 189         * configure: Regenerated to track ../common/aclocal.m4 changes.
 190
 191 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 192
 193         * configure: Regenerated to track ../common/aclocal.m4 changes.
 194
 195 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 196
 197         * configure: Regenerated to track ../common/aclocal.m4 changes.
 198
 199 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 200
 201         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 202         SIM_HOSTENDIAN, SIM_INLINE, SIM_RESERVED_BITS): Delete, moved to
 203         common.
 204         (SIM_EXTRA_CFLAGS): Update.
 205
 206 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 207
 208         * configure: Regenerated to track ../common/aclocal.m4 changes.
 209
 210 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 211
 212         * configure: Regenerated to track ../common/aclocal.m4 changes.
 213
 214 Tue Sep 16 23:10:03 1997  Felix Lee  <flee@cygnus.com>
 215
 216         * sim-main.h (kill): macro was missing args.
 217         (SIGTRAP): define for MSVC.
 218
 219 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 220
 221         * configure: Regenerated to track ../common/aclocal.m4 changes.
 222
 223 Mon Sep  8 20:10:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 224
 225         * cpu.h (CPU_CIA): Define.
 226
 227         * sim-main.h (struct sim_state): Delete halt_ok, path_to_halt,
 228         restart_ok, path_to_restart members.
 229         (struct sim_state): Delete reason, siggnal members.
 230
 231 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 232
 233         * configure: Regenerated to track ../common/aclocal.m4 changes.
 234
 235 Thu Sep  4 17:45:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 236
 237         * sim-calls.c (sim_open): Add memory before parsing arguments.
 238         (sim_read): Delete, replace with sim-hrw.
 239         (sim_write): Delete, replace with sim-hrw.
 240
 241 Thu Sep  4 10:48:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 242
 243         * sim-calls.c (sim_open): Use sim_do_command to add memory, only
 244         add memory if none already present.
 245         (sim_open): Move init of registers from here.
 246         (sim_create_inferior): To here. Init modules.
 247
 248         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 249
 250         * sim-calls.c (sim_open): Add zero modulo arg to sim_core_attach.
 251
 252 Mon Sep  1 11:06:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * sim-calls.c (sim_open): Use sim_state_alloc
 255         (simulation): Delete.
 256
 257 Sat Aug 30 09:40:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 258
 259         * insns (do_trap): Unsigned `i' for unsigned iterator.
 260         (do_trap): Ditto for comparison with getpid.
 261
 262 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 263
 264         * configure: Regenerated to track ../common/aclocal.m4 changes.
 265         * config.in: Ditto.
 266
 267 Wed Aug 27 13:41:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 268
 269         * insns (do_st): Use U8_4 instead of V4_L8.
 270
 271         * sim-calls.c (sim_open): Add call to sim_analyze_program, update
 272         call to sim_config.
 273
 274         * sim-calls.c (sim_kill): Delete.
 275         (sim_create_inferior): Add ABFD argument.  Initialize PC from ABFD
 276         and not SD.
 277         (sim_load): Delete, use sim-hload.c.
 278
 279         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 280
 281 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 282
 283         * configure: Regenerated to track ../common/aclocal.m4 changes.
 284         * config.in: Ditto.
 285
 286 Mon Aug 25 16:33:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 287
 288         * sim-calls.c (sim_open): Add ABFD argument.
 289         (sim_open): Move sim_config call to just after argument
 290         parsing. Check return status.
 291
 292 Fri Aug  8 21:52:27 1997  Mark Alexander  <marka@cygnus.com>
 293
 294         * sim-calls.c (sim_store_register): Allow accumulators
 295         other than A0 to be modified.  Correct error message.
 296
 297 Thu May 29 14:02:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
 300         tic80_trace_fpu2i): Pass in function prefix.
 301         (tic80_trace_ldst): Rewrite so it calls print_one_insn directly.
 302
 303         * Makefile.in (SIM_OBJS): Include sim-watch.o module.
 304
 305         * sim-main.h (WITH_WATCHPOINTS): Enable watchpoints.
 306
 307         * ic (bitnum): Compute bitnum from BITNUM.
 308         * insn (bbo, bbz): Use.
 309
 310         * insn: Convert long immediate instructions to igen long immediate
 311         form.
 312         * insn: Add disasembler information.
 313
 314 Thu May 29 12:09:13 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 315
 316         * alu.h (IMEM_IMMED): New macro, fetch 32bit immediate operand N.
 317
 318         * insns (subu i): Immediate is signed not unsigned.
 319
 320 Tue May 27 13:22:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 321
 322         * sim-calls.c (sim_read): Pass NULL cpu to sim_core_read_buffer.
 323         (sim_write): Ditto for write.
 324
 325 Tue May 20 09:33:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 326
 327         * sim-calls.c (sim_load): Set STATE_LOADED_P.
 328
 329         * sim-main.h: Include <unistd.h>.
 330
 331         * sim-calls.c (sim_set_callback): Delete.
 332         (sim_open): Add/install callback argument.
 333         (sim_size): Delete.
 334
 335 Mon May 19 18:59:33 1997  Mike Meissner  <meissner@cygnus.com>
 336
 337         * configure.in: Check for getpid, kill functions.
 338         * config{.in,ure}: Regenerate.
 339
 340         * insns (do_trap): Add support for kill, getpid system calls.
 341
 342         * sim-main.h (errno.h): Include.
 343         (getpid,kill): Define as NOPs if the host doesn't have them.
 344
 345 Mon May 19 14:58:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 346
 347         * sim-calls.c (sim_open): Set the simulator base magic number.
 348         (sim_load): Delete prototype of sim_load_file.
 349         (sim_open): Define sd to be &simulation.
 350
 351 Fri May 16 14:35:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 352
 353         * insns (illegal, fp_unavailable): Halt instead of abort the
 354         simulator.
 355
 356         * insns: Replace calls to engine_error with sim_engine_abort.
 357         Ditto for engine_halt V sim_engine_halt.
 358
 359 Tue May 13 15:24:12 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 360
 361         * interp.c (engine_run_until_stop): Delete. Moved to common.
 362         (engine_step): Ditto.
 363         (engine_step): Ditto.
 364         (engine_halt): Ditto.
 365         (engine_restart): Ditto.
 366         (engine_halt): Ditto.
 367         (engine_error): Ditto.
 368
 369         * sim-calls.c (sim_stop): Delete. Moved to common.
 370         (sim_stop_reason): Ditto.
 371         (sim_resume): Ditto.
 372
 373         * Makefile.in (SIM_OBJS): Link in generic sim-engine, sim-run,
 374         sim-resume, sim-reason, sim-stop modules.
 375
 376 Fri May 16 11:57:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 377
 378         * ic (compute): Drop check for REG == 0, now always forced to
 379         zero.
 380
 381         * cpu.h (GPR_SET): New macro update the gpr.
 382         * insns (do_add): Use GPR_SET to update the GPR register.
 383
 384         * sim-calls.c (sim_fetch_register): Pretend that r0 is zero.
 385
 386         * Makefile.in (tmp-igen): Specify zero-r0 so that every
 387         instruction clears r0.
 388
 389         * interp.c (engine_run_until_stop): Igen now generates code to
 390         clear r0.
 391         (engine_step): Ditto.
 392
 393 Thu May 15 11:45:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395         * insns (do_shift): When rot==0 and zero/sign merge treat it as
 396         32.
 397         (set_fp_reg): For interger conversion, use sim-fpu fpu2i
 398         functions.
 399         (do_fmpy): Perform iii and uuu using integer arithmetic.
 400
 401         * Makefile.in (ENGINE_H): Assume everything depends on the fpu.
 402
 403         * insns (get_fp_reg): Use sim_fpu_u32to to perform unsigned
 404         conversion.
 405         (do_fcmp): Update to use new fp compare functions. Make reg nr arg
 406         instead of reg.  Stops fp overflow.
 407         (get_fp_reg): Assume val is valid when reg == 0.
 408         (set_fp_reg): Fix double conversion.
 409
 410         * misc.c (tic80_trace_fpu1): New function, trace simple fp op.
 411
 412         * insns (do_frnd): Add tracing.
 413
 414         * cpu.h (TRACE_FPU1): Ditto.
 415
 416         * insns (do_trap): Printf formatting.
 417
 418 Wed May 14 18:05:50 1997  Mike Meissner  <meissner@cygnus.com>
 419
 420         * misc.c (tic80_trace_fpu{3,2,2i}): Align columns with other
 421         insns.  Use %g to print floating point instead of %f in case the
 422         numbers are real large.
 423
 424 Tue May 13 18:00:10 1997  Mike Meissner  <meissner@cygnus.com>
 425
 426         * insns (do_trap): For system calls that are defined, but not
 427         provided return EINVAL. Temporarily add traps 74-79 to just print
 428         the register state.
 429
 430         * interp.c (engine_{run_until_stop,step}): Before executing
 431         instructions, make sure r0 == 0.
 432
 433 Tue May 13 16:39:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 434
 435         * alu.h (IMEM): Take full cia not just IP as argument.
 436
 437         * interp.c (engine_run_until_stop): Delete handling of annuled
 438         instructions.
 439         (engine_step): Ditto.
 440
 441         * insn (do_branch): New function.
 442         (do_bbo, do_bbz, do_bcnd, do_bsr, do_jsr): Use do_branch to handle
 443         annuled branches.
 444
 445 Mon May 12 17:15:52 1997  Mike Meissner  <meissner@cygnus.com>
 446
 447         * insns (do_{ld,st}): Fix tracing for ld/st.
 448
 449 Mon May 12 11:12:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 450
 451         * sim-calls.c (sim_stop_reason): Restore keep_running after a
 452         CNTRL-C, don't re-clear it.
 453
 454         * interp.c (engine_error): stop rather than signal with SIGABRT
 455         when an error.
 456
 457         * insns (do_ld): For 64bit loads, always store LSW in rDest, MSW in
 458         rDest + 1. Also done by Michael Meissner  <meissner@cygnus.com>
 459         (do_st): Converse for store.
 460
 461         * misc.c (tic80_trace_fpu2i): Correct printf format for int type.
 462
 463 Sun May 11 11:02:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 464
 465         * sim-calls.c (sim_stop_reason): Return a SIGINT if keep_running
 466         was cleared.
 467
 468         * interp.c (engine_step): New function.  Single step the simulator
 469         taking care of cntrl-c during a step.
 470
 471         * sim-calls.c (sim_resume): Differentiate between stepping and
 472         running so that a cntrl-c during a step is reported.
 473
 474 Sun May 11 10:54:31 1997  Mark Alexander    <marka@cygnus.com>
 475
 476         * sim-calls.c (sim_fetch_register): Use correct reg base.
 477         (sim_store_register): Ditto.
 478
 479 Sun May 11 10:25:14 1997  Michael Meissner  <meissner@cygnus.com>
 480
 481         * cpu.h (tic80_trace_shift): Add declaration.
 482         (TRACE_SHIFT): New macro to trace shift instructions.
 483
 484         * misc.c (tic80_trace_alu2): Align spacing.
 485         (tic80_trace_shift): New function to trace shifts.
 486
 487         * insns (lmo): Add missing 0b prefix to bits.
 488         (do_shift): Use ~ (unsigned32)0, instead of -1.  Use TRACE_SHIFT
 489         instead of TRACE_ALU2.
 490         (sl r): Use EndMask as is, instead of using Source+1 register.
 491         (subu): Operands are unsigned, not signed.
 492         (do_{ld,st}): Fix endian problems with ld.d/st.d.
 493
 494 Sat May 10 12:35:47 1997  Michael Meissner  <meissner@cygnus.com>
 495
 496         * insns (and{.tt,.tf,.ft,.ff}): Immediate values are unsigned, not
 497         signed.
 498
 499 Fri May  9 15:47:36 1997  Mike Meissner  <meissner@cygnus.com>
 500
 501         * insns (cmp_vals,do_cmp): Produce the correct bits as specified
 502         by the architecture.
 503         (xor): Fix xor immediate patterns to use the correct bits.
 504
 505 Fri May  9 09:55:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 506
 507         * alu.h (long_immediate): Adjust the CIA delay-pointer as well as
 508         the NIA when a 64bit insn.
 509
 510 Thu May  8 11:57:47 1997  Michael Meissner  <meissner@cygnus.com>
 511
 512         * insns (jsr,bsr): For non-allulled calls, set r31 so that the
 513         return address does not reexecute the instruction in the delay
 514         slot.
 515         (bbo,bbz): Complement bit number to reverse the one's complement
 516         that the assembler is required to do.
 517
 518         * misc.c (tic80_trace_*): Change format slightly to accomidate
 519         real large decimal values.
 520
 521 Thu May  8 14:07:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 522
 523         * sim-calls.c (sim_do_command): Implement.
 524         (sim_store_register): Fix typo T2H v H2T.
 525
 526 Wed May  7 11:48:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 527
 528         * cpu.h (TRACE_FPU2, TRACE_FPU3, TRACE_FPU2I): Add.
 529         * insn: Clean up fpu tracing.
 530
 531         * sim-calls.c (sim_create_inferior): Start out with interrupts
 532         enabled.
 533
 534         * cpu.h (TRACE_SINK3), misc.c (tic80_trace_sink3): Three argument
 535         sink
 536
 537         * insns (rdcr, swcr, wrcr, brcr, rmo, lmo): Implement.
 538
 539         * insns (do_*): Remove MY_INDEX/indx argument from support functions,
 540         igen now handles this.
 541
 542         * cpu.h (CR): New macro - access TIc80 control registers.
 543
 544         * misc.c: New file.
 545         (tic80_cr2index): New function, map control register opcode index
 546         into the internal CR enum.
 547
 548         * interp.c
 549         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Move from
 550         here
 551         * misc.c: to here.
 552
 553         * Makefile.in (SIM_OBJS): Add misc.o.
 554
 555 Tue May  6 15:22:58 1997  Mike Meissner  <meissner@cygnus.com>
 556
 557         * cpu.h ({,v}{S,D}P_FPR): Delete unused macros that won't work on
 558         big endian hosts.
 559         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Declare
 560         new functions.
 561         (TRACE_{ALU{2,3},NOP,SINK{1,2},{,U}COND_BR,LD,ST}): New macros to
 562         trace various instruction types.
 563
 564         * insns: Modify all instructions to support semantic tracing.
 565
 566         * interp.c (toplevel): Include itable.h.
 567         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): New
 568         functions to provide semantic level tracing information.
 569
 570 Mon May  5 11:50:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 571
 572         * alu.h: Update usage of core object to reflect recent changes in
 573         ../common/sim-*core.
 574         * sim-calls.c (sim_open): Ditto.
 575
 576 Mon May  5 14:10:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 577
 578         * insn (cmnd): No-op cache flushes.
 579
 580         * insns (do_trap): Allow writes to STDERR.
 581
 582         * Makefile.in (SIM_OBJS): Link in sim-fpu.o.
 583         (SIM_EXTRA_LIBS): Link in the math library.
 584
 585         * alu.h: Add support for floating point unit using sim-alu.
 586
 587         * insns (fadd, fsub, fmpy, fdiv, fcmp, frnd*): Implement.
 588
 589 Fri May  2 14:57:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 590
 591         * sim-calls.c: Include sim-utils.h and sim-options.h.
 592
 593         * sim-main.h (sim_state): Drop sim_events and sim_core members,
 594         moved to simulator base type.
 595
 596         * alu.h (IMEM, MEM, STORE): Update track changes in common
 597         directory.
 598
 599         * insns: Drop cia argument from functions, igen now handles this.
 600
 601         * interp.c (engine_init): Include string.h/strings.h to define
 602         memset et.al.
 603
 604         * sim-main.h (sim_cia): Delcare, tracking common dir changes.
 605
 606         * cpu.h (sim_cpu): Update instruction_address with sim_cia.
 607
 608 Wed Apr 30 11:26:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 609
 610         * sim-main.h (signal.h): Include so that SIG* available to all
 611         callers of sig_halt.
 612
 613         * insns (do_shift): New function, implement shift operations.
 614         (do_trap): Add handler for trap 73 - SIGTRAP.
 615
 616 Tue Apr 29 10:58:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 617
 618         * alu.h (MEM, STORE): Force addresses to be correctly aligned.
 619
 620         * insns (do_jsr): Fix.
 621         (do_st, do_ld): Handle 64bit transfers.
 622         (do_trap): Match libgloss.
 623         (rdcr): Implement nop - Dest == r0 - variant.
 624
 625         * sim-calls.c (sim_create_inferior): Initialize SP.
 626
 627         * Makefile.in (ENGINE_H): Everything now depends on sim-options.h.
 628         (support.o): Depends on ENGINE_H.
 629
 630         * cpu.h: Four accumulators.
 631
 632         * Makefile.in (tmp-igen): Include line number information in
 633         generated files.
 634
 635         * insns (dld, dst): Fill in.
 636
 637 Mon Apr 28 13:02:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 638
 639         * insns (vld): Fix instruction format wrong.
 640
 641 Thu Apr 24 16:43:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 642
 643         * dc: Add additional rules so that minor opcode files are
 644         detected.
 645         * insns: Enable more instructions.
 646
 647         * sim-calls.c (sim_fetch_register,sim_store_register, sim_write):
 648         Implement.
 649
 650 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 651
 652         * configure: Regenerated to track ../common/aclocal.m4 changes.
 653         * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
 654         * sim-calls.c (sim_open): Call sim_module_uninstall if argument
 655         parsing fails.  Call sim_post_argv_init.
 656         (sim_close): Call sim_module_uninstall.
 657
 658 Wed Apr 23 20:05:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 659
 660         * insns (and, bbo, bcnd, bsr, dcache, jsr, or, xor, nor): Enable.
 661         * ic: Add fields for enabled instructions.
 662