sim/tic80/ChangeLog

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