sim/tic80/ChangeLog

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