sim/tic80/ChangeLog

   1 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   6
   7         * configure: Regenerated to track ../common/aclocal.m4 changes.
   8         * config.in: Ditto.
   9
  10 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  11
  12         * configure: Regenerated to track ../common/aclocal.m4 changes.
  13
  14 Mon Nov 24 14:57:58 1997  Doug Evans  <devans@seba.cygnus.com>
  15
  16         * cpu.h (TRACE_COND_BR): Use TRACE_BRANCH_P, not TRACE_ALU_P.
  17
  18 Sat Nov 22 21:42:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  19
  20         * interp.c (engine_step): Replace SIGTRAP with SIM_SIGTRAP.
  21         (engine_run_until_stop): Replace SIGINT with SIM_SIGINT.
  22
  23         * sim-main.h: Include sim-signal.h.
  24         (SIGTRAP): Delete definition.
  25
  26         * interp.c, sim-calls.c: Do not include signal.h.
  27
  28         * insns (illegal): SIGILL -> SIM_SIGILL.
  29         (fp_unavailable): SIGFPE -> SIM_SIGFPE.
  30         (do_trap): SIGTRAP -> SIM_SIGTRAP.
  31
  32 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
  33
  34         * sim-main.h (CIA_ADDR): Define.
  35
  36         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
  37
  38 Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  39
  40         * v850.igen: Add model filter field to records.
  41
  42 Fri Oct 17 17:26:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  43
  44         * alu.h (ALU32_END): Use ALU32_RESULT.
  45
  46 Mon Sep 29 12:49:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  47
  48         * insns (get_fp_reg, set_fp_reg): Update to use changed sim_fpu
  49         interface.
  50         (do_fadd, do_fcmp, do_fdiv, do_fmpy, do_frnd, do_fsub): Ditto.
  51
  52         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
  53         tic80_trace_fpu2i) Update to use changed sim_fpu interface.
  54
  55 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  56
  57         * configure.in (SIM_AC_OPTIONS_BITSIZE): Define.
  58         * configure: Regenerated to track ../common/aclocal.m4 changes.
  59
  60 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  61
  62         * configure: Regenerated to track ../common/aclocal.m4 changes.
  63
  64 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  65
  66         * configure: Regenerated to track ../common/aclocal.m4 changes.
  67
  68 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  69
  70         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
  71         SIM_HOSTENDIAN, SIM_INLINE, SIM_RESERVED_BITS): Delete, moved to
  72         common.
  73         (SIM_EXTRA_CFLAGS): Update.
  74
  75 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  76
  77         * configure: Regenerated to track ../common/aclocal.m4 changes.
  78
  79 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  80
  81         * configure: Regenerated to track ../common/aclocal.m4 changes.
  82
  83 Tue Sep 16 23:10:03 1997  Felix Lee  <flee@cygnus.com>
  84
  85         * sim-main.h (kill): macro was missing args.
  86         (SIGTRAP): define for MSVC.
  87
  88 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  89
  90         * configure: Regenerated to track ../common/aclocal.m4 changes.
  91
  92 Mon Sep  8 20:10:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  93
  94         * cpu.h (CPU_CIA): Define.
  95
  96         * sim-main.h (struct sim_state): Delete halt_ok, path_to_halt,
  97         restart_ok, path_to_restart members.
  98         (struct sim_state): Delete reason, siggnal members.
  99
 100 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 101
 102         * configure: Regenerated to track ../common/aclocal.m4 changes.
 103
 104 Thu Sep  4 17:45:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 105
 106         * sim-calls.c (sim_open): Add memory before parsing arguments.
 107         (sim_read): Delete, replace with sim-hrw.
 108         (sim_write): Delete, replace with sim-hrw.
 109
 110 Thu Sep  4 10:48:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 111
 112         * sim-calls.c (sim_open): Use sim_do_command to add memory, only
 113         add memory if none already present.
 114         (sim_open): Move init of registers from here.
 115         (sim_create_inferior): To here. Init modules.
 116
 117         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 118
 119         * sim-calls.c (sim_open): Add zero modulo arg to sim_core_attach.
 120
 121 Mon Sep  1 11:06:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 122
 123         * sim-calls.c (sim_open): Use sim_state_alloc
 124         (simulation): Delete.
 125
 126 Sat Aug 30 09:40:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 127
 128         * insns (do_trap): Unsigned `i' for unsigned iterator.
 129         (do_trap): Ditto for comparison with getpid.
 130
 131 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 132
 133         * configure: Regenerated to track ../common/aclocal.m4 changes.
 134         * config.in: Ditto.
 135
 136 Wed Aug 27 13:41:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 137
 138         * insns (do_st): Use U8_4 instead of V4_L8.
 139
 140         * sim-calls.c (sim_open): Add call to sim_analyze_program, update
 141         call to sim_config.
 142
 143         * sim-calls.c (sim_kill): Delete.
 144         (sim_create_inferior): Add ABFD argument.  Initialize PC from ABFD
 145         and not SD.
 146         (sim_load): Delete, use sim-hload.c.
 147
 148         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 149
 150 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 151
 152         * configure: Regenerated to track ../common/aclocal.m4 changes.
 153         * config.in: Ditto.
 154
 155 Mon Aug 25 16:33:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 156
 157         * sim-calls.c (sim_open): Add ABFD argument.
 158         (sim_open): Move sim_config call to just after argument
 159         parsing. Check return status.
 160
 161 Fri Aug  8 21:52:27 1997  Mark Alexander  <marka@cygnus.com>
 162
 163         * sim-calls.c (sim_store_register): Allow accumulators
 164         other than A0 to be modified.  Correct error message.
 165
 166 Thu May 29 14:02:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 167
 168         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
 169         tic80_trace_fpu2i): Pass in function prefix.
 170         (tic80_trace_ldst): Rewrite so it calls print_one_insn directly.
 171
 172         * Makefile.in (SIM_OBJS): Include sim-watch.o module.
 173
 174         * sim-main.h (WITH_WATCHPOINTS): Enable watchpoints.
 175
 176         * ic (bitnum): Compute bitnum from BITNUM.
 177         * insn (bbo, bbz): Use.
 178
 179         * insn: Convert long immediate instructions to igen long immediate
 180         form.
 181         * insn: Add disasembler information.
 182
 183 Thu May 29 12:09:13 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 184
 185         * alu.h (IMEM_IMMED): New macro, fetch 32bit immediate operand N.
 186
 187         * insns (subu i): Immediate is signed not unsigned.
 188
 189 Tue May 27 13:22:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 190
 191         * sim-calls.c (sim_read): Pass NULL cpu to sim_core_read_buffer.
 192         (sim_write): Ditto for write.
 193
 194 Tue May 20 09:33:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 195
 196         * sim-calls.c (sim_load): Set STATE_LOADED_P.
 197
 198         * sim-main.h: Include <unistd.h>.
 199
 200         * sim-calls.c (sim_set_callback): Delete.
 201         (sim_open): Add/install callback argument.
 202         (sim_size): Delete.
 203
 204 Mon May 19 18:59:33 1997  Mike Meissner  <meissner@cygnus.com>
 205
 206         * configure.in: Check for getpid, kill functions.
 207         * config{.in,ure}: Regenerate.
 208
 209         * insns (do_trap): Add support for kill, getpid system calls.
 210
 211         * sim-main.h (errno.h): Include.
 212         (getpid,kill): Define as NOPs if the host doesn't have them.
 213
 214 Mon May 19 14:58:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 215
 216         * sim-calls.c (sim_open): Set the simulator base magic number.
 217         (sim_load): Delete prototype of sim_load_file.
 218         (sim_open): Define sd to be &simulation.
 219
 220 Fri May 16 14:35:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * insns (illegal, fp_unavailable): Halt instead of abort the
 223         simulator.
 224
 225         * insns: Replace calls to engine_error with sim_engine_abort.
 226         Ditto for engine_halt V sim_engine_halt.
 227
 228 Tue May 13 15:24:12 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 229
 230         * interp.c (engine_run_until_stop): Delete. Moved to common.
 231         (engine_step): Ditto.
 232         (engine_step): Ditto.
 233         (engine_halt): Ditto.
 234         (engine_restart): Ditto.
 235         (engine_halt): Ditto.
 236         (engine_error): Ditto.
 237
 238         * sim-calls.c (sim_stop): Delete. Moved to common.
 239         (sim_stop_reason): Ditto.
 240         (sim_resume): Ditto.
 241
 242         * Makefile.in (SIM_OBJS): Link in generic sim-engine, sim-run,
 243         sim-resume, sim-reason, sim-stop modules.
 244
 245 Fri May 16 11:57:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 246
 247         * ic (compute): Drop check for REG == 0, now always forced to
 248         zero.
 249
 250         * cpu.h (GPR_SET): New macro update the gpr.
 251         * insns (do_add): Use GPR_SET to update the GPR register.
 252
 253         * sim-calls.c (sim_fetch_register): Pretend that r0 is zero.
 254
 255         * Makefile.in (tmp-igen): Specify zero-r0 so that every
 256         instruction clears r0.
 257
 258         * interp.c (engine_run_until_stop): Igen now generates code to
 259         clear r0.
 260         (engine_step): Ditto.
 261
 262 Thu May 15 11:45:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 263
 264         * insns (do_shift): When rot==0 and zero/sign merge treat it as
 265         32.
 266         (set_fp_reg): For interger conversion, use sim-fpu fpu2i
 267         functions.
 268         (do_fmpy): Perform iii and uuu using integer arithmetic.
 269
 270         * Makefile.in (ENGINE_H): Assume everything depends on the fpu.
 271
 272         * insns (get_fp_reg): Use sim_fpu_u32to to perform unsigned
 273         conversion.
 274         (do_fcmp): Update to use new fp compare functions. Make reg nr arg
 275         instead of reg.  Stops fp overflow.
 276         (get_fp_reg): Assume val is valid when reg == 0.
 277         (set_fp_reg): Fix double conversion.
 278
 279         * misc.c (tic80_trace_fpu1): New function, trace simple fp op.
 280
 281         * insns (do_frnd): Add tracing.
 282
 283         * cpu.h (TRACE_FPU1): Ditto.
 284
 285         * insns (do_trap): Printf formatting.
 286
 287 Wed May 14 18:05:50 1997  Mike Meissner  <meissner@cygnus.com>
 288
 289         * misc.c (tic80_trace_fpu{3,2,2i}): Align columns with other
 290         insns.  Use %g to print floating point instead of %f in case the
 291         numbers are real large.
 292
 293 Tue May 13 18:00:10 1997  Mike Meissner  <meissner@cygnus.com>
 294
 295         * insns (do_trap): For system calls that are defined, but not
 296         provided return EINVAL. Temporarily add traps 74-79 to just print
 297         the register state.
 298
 299         * interp.c (engine_{run_until_stop,step}): Before executing
 300         instructions, make sure r0 == 0.
 301
 302 Tue May 13 16:39:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 303
 304         * alu.h (IMEM): Take full cia not just IP as argument.
 305
 306         * interp.c (engine_run_until_stop): Delete handling of annuled
 307         instructions.
 308         (engine_step): Ditto.
 309
 310         * insn (do_branch): New function.
 311         (do_bbo, do_bbz, do_bcnd, do_bsr, do_jsr): Use do_branch to handle
 312         annuled branches.
 313
 314 Mon May 12 17:15:52 1997  Mike Meissner  <meissner@cygnus.com>
 315
 316         * insns (do_{ld,st}): Fix tracing for ld/st.
 317
 318 Mon May 12 11:12:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 319
 320         * sim-calls.c (sim_stop_reason): Restore keep_running after a
 321         CNTRL-C, don't re-clear it.
 322
 323         * interp.c (engine_error): stop rather than signal with SIGABRT
 324         when an error.
 325
 326         * insns (do_ld): For 64bit loads, always store LSW in rDest, MSW in
 327         rDest + 1. Also done by Michael Meissner  <meissner@cygnus.com>
 328         (do_st): Converse for store.
 329
 330         * misc.c (tic80_trace_fpu2i): Correct printf format for int type.
 331
 332 Sun May 11 11:02:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 333
 334         * sim-calls.c (sim_stop_reason): Return a SIGINT if keep_running
 335         was cleared.
 336
 337         * interp.c (engine_step): New function.  Single step the simulator
 338         taking care of cntrl-c during a step.
 339
 340         * sim-calls.c (sim_resume): Differentiate between stepping and
 341         running so that a cntrl-c during a step is reported.
 342
 343 Sun May 11 10:54:31 1997  Mark Alexander    <marka@cygnus.com>
 344
 345         * sim-calls.c (sim_fetch_register): Use correct reg base.
 346         (sim_store_register): Ditto.
 347
 348 Sun May 11 10:25:14 1997  Michael Meissner  <meissner@cygnus.com>
 349
 350         * cpu.h (tic80_trace_shift): Add declaration.
 351         (TRACE_SHIFT): New macro to trace shift instructions.
 352
 353         * misc.c (tic80_trace_alu2): Align spacing.
 354         (tic80_trace_shift): New function to trace shifts.
 355
 356         * insns (lmo): Add missing 0b prefix to bits.
 357         (do_shift): Use ~ (unsigned32)0, instead of -1.  Use TRACE_SHIFT
 358         instead of TRACE_ALU2.
 359         (sl r): Use EndMask as is, instead of using Source+1 register.
 360         (subu): Operands are unsigned, not signed.
 361         (do_{ld,st}): Fix endian problems with ld.d/st.d.
 362
 363 Sat May 10 12:35:47 1997  Michael Meissner  <meissner@cygnus.com>
 364
 365         * insns (and{.tt,.tf,.ft,.ff}): Immediate values are unsigned, not
 366         signed.
 367
 368 Fri May  9 15:47:36 1997  Mike Meissner  <meissner@cygnus.com>
 369
 370         * insns (cmp_vals,do_cmp): Produce the correct bits as specified
 371         by the architecture.
 372         (xor): Fix xor immediate patterns to use the correct bits.
 373
 374 Fri May  9 09:55:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 375
 376         * alu.h (long_immediate): Adjust the CIA delay-pointer as well as
 377         the NIA when a 64bit insn.
 378
 379 Thu May  8 11:57:47 1997  Michael Meissner  <meissner@cygnus.com>
 380
 381         * insns (jsr,bsr): For non-allulled calls, set r31 so that the
 382         return address does not reexecute the instruction in the delay
 383         slot.
 384         (bbo,bbz): Complement bit number to reverse the one's complement
 385         that the assembler is required to do.
 386
 387         * misc.c (tic80_trace_*): Change format slightly to accomidate
 388         real large decimal values.
 389
 390 Thu May  8 14:07:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 391
 392         * sim-calls.c (sim_do_command): Implement.
 393         (sim_store_register): Fix typo T2H v H2T.
 394
 395 Wed May  7 11:48:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 396
 397         * cpu.h (TRACE_FPU2, TRACE_FPU3, TRACE_FPU2I): Add.
 398         * insn: Clean up fpu tracing.
 399
 400         * sim-calls.c (sim_create_inferior): Start out with interrupts
 401         enabled.
 402
 403         * cpu.h (TRACE_SINK3), misc.c (tic80_trace_sink3): Three argument
 404         sink
 405
 406         * insns (rdcr, swcr, wrcr, brcr, rmo, lmo): Implement.
 407
 408         * insns (do_*): Remove MY_INDEX/indx argument from support functions,
 409         igen now handles this.
 410
 411         * cpu.h (CR): New macro - access TIc80 control registers.
 412
 413         * misc.c: New file.
 414         (tic80_cr2index): New function, map control register opcode index
 415         into the internal CR enum.
 416
 417         * interp.c
 418         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Move from
 419         here
 420         * misc.c: to here.
 421
 422         * Makefile.in (SIM_OBJS): Add misc.o.
 423
 424 Tue May  6 15:22:58 1997  Mike Meissner  <meissner@cygnus.com>
 425
 426         * cpu.h ({,v}{S,D}P_FPR): Delete unused macros that won't work on
 427         big endian hosts.
 428         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Declare
 429         new functions.
 430         (TRACE_{ALU{2,3},NOP,SINK{1,2},{,U}COND_BR,LD,ST}): New macros to
 431         trace various instruction types.
 432
 433         * insns: Modify all instructions to support semantic tracing.
 434
 435         * interp.c (toplevel): Include itable.h.
 436         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): New
 437         functions to provide semantic level tracing information.
 438
 439 Mon May  5 11:50:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 440
 441         * alu.h: Update usage of core object to reflect recent changes in
 442         ../common/sim-*core.
 443         * sim-calls.c (sim_open): Ditto.
 444
 445 Mon May  5 14:10:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 446
 447         * insn (cmnd): No-op cache flushes.
 448
 449         * insns (do_trap): Allow writes to STDERR.
 450
 451         * Makefile.in (SIM_OBJS): Link in sim-fpu.o.
 452         (SIM_EXTRA_LIBS): Link in the math library.
 453
 454         * alu.h: Add support for floating point unit using sim-alu.
 455
 456         * insns (fadd, fsub, fmpy, fdiv, fcmp, frnd*): Implement.
 457
 458 Fri May  2 14:57:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 459
 460         * sim-calls.c: Include sim-utils.h and sim-options.h.
 461
 462         * sim-main.h (sim_state): Drop sim_events and sim_core members,
 463         moved to simulator base type.
 464
 465         * alu.h (IMEM, MEM, STORE): Update track changes in common
 466         directory.
 467
 468         * insns: Drop cia argument from functions, igen now handles this.
 469
 470         * interp.c (engine_init): Include string.h/strings.h to define
 471         memset et.al.
 472
 473         * sim-main.h (sim_cia): Delcare, tracking common dir changes.
 474
 475         * cpu.h (sim_cpu): Update instruction_address with sim_cia.
 476
 477 Wed Apr 30 11:26:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 478
 479         * sim-main.h (signal.h): Include so that SIG* available to all
 480         callers of sig_halt.
 481
 482         * insns (do_shift): New function, implement shift operations.
 483         (do_trap): Add handler for trap 73 - SIGTRAP.
 484
 485 Tue Apr 29 10:58:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 486
 487         * alu.h (MEM, STORE): Force addresses to be correctly aligned.
 488
 489         * insns (do_jsr): Fix.
 490         (do_st, do_ld): Handle 64bit transfers.
 491         (do_trap): Match libgloss.
 492         (rdcr): Implement nop - Dest == r0 - variant.
 493
 494         * sim-calls.c (sim_create_inferior): Initialize SP.
 495
 496         * Makefile.in (ENGINE_H): Everything now depends on sim-options.h.
 497         (support.o): Depends on ENGINE_H.
 498
 499         * cpu.h: Four accumulators.
 500
 501         * Makefile.in (tmp-igen): Include line number information in
 502         generated files.
 503
 504         * insns (dld, dst): Fill in.
 505
 506 Mon Apr 28 13:02:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 507
 508         * insns (vld): Fix instruction format wrong.
 509
 510 Thu Apr 24 16:43:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 511
 512         * dc: Add additional rules so that minor opcode files are
 513         detected.
 514         * insns: Enable more instructions.
 515
 516         * sim-calls.c (sim_fetch_register,sim_store_register, sim_write):
 517         Implement.
 518
 519 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 520
 521         * configure: Regenerated to track ../common/aclocal.m4 changes.
 522         * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
 523         * sim-calls.c (sim_open): Call sim_module_uninstall if argument
 524         parsing fails.  Call sim_post_argv_init.
 525         (sim_close): Call sim_module_uninstall.
 526
 527 Wed Apr 23 20:05:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * insns (and, bbo, bcnd, bsr, dcache, jsr, or, xor, nor): Enable.
 530         * ic: Add fields for enabled instructions.
 531