sim/tic80/ChangeLog

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