sim/tic80/ChangeLog

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