sim/tic80/ChangeLog

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