sim/tic80/ChangeLog

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