sim/tic80/ChangeLog

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