sim/tic80/ChangeLog

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