sim/frv/ChangeLog

   1 2010-03-30  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * devices.c (device_error): Add const to message.
   4
   5 2010-02-12  Doug Evans  <dje@sebabeach.org>
   6
   7         * decode.c, * decode.h: Regenerate.
   8
   9 2010-02-11  Doug Evans  <dje@sebabeach.org>
  10
  11         * cpu.h, * decode.c, * model.c, * sem.c: Regenerate.
  12
  13 2010-01-24  Doug Evans  <dje@sebabeach.org>
  14
  15         * sem.c: Regenerate.
  16
  17 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  18
  19         * configure: Regenerate.
  20
  21 2010-01-02  Doug Evans  <dje@sebabeach.org>
  22
  23         * arch.c, * arch.h, * cpu.c, * cpu.h, * cpuall.h, * decode.c,
  24         * decode.h, * model.c, * sem.c: Regenerate, update copyright year.
  25
  26 2009-11-22  Doug Evans  <dje@sebabeach.org>
  27
  28         * cpu.h: Regenerate.
  29         * cpuall.h: Regenerate.
  30         * decode.c: Regenerate.
  31         * decode.h: Regenerate.
  32
  33 2009-11-03  Doug Evans  <dje@sebabeach.org>
  34
  35         * arch.c: Regenerate.
  36         * arch.h: Regenerate.
  37         * cpu.c: Regenerate.
  38         * cpu.h: Regenerate.
  39         * cpuall.h: Regenerate.
  40         * decode.c: Regenerate.
  41         * decode.h: Regenerate.
  42         * model.c: Regenerate.
  43         * sem.c: Regenerate.
  44
  45 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  46
  47         * config.in: Regenerate.
  48         * configure: Likewise.
  49
  50         * configure: Regenerate.
  51
  52 2009-01-07  Hans-Peter Nilsson  <hp@axis.com>
  53
  54         * sem.c: Regenerate.
  55
  56 2008-12-23  Hans-Peter Nilsson  <hp@axis.com>
  57
  58         * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
  59         model.c, sem.c: Regenerate.
  60
  61 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
  62
  63         * configure: Regenerate to track ../common/common.m4 changes.
  64         * config.in: Ditto.
  65
  66 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
  67             Daniel Jacobowitz  <dan@codesourcery.com>
  68             Joseph Myers  <joseph@codesourcery.com>
  69
  70         * configure: Regenerate.
  71
  72 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
  73
  74         * config.in: Regenerate.
  75
  76 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
  77
  78         * configure: Regenerated.
  79
  80 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
  81
  82         * configure: Regenerated.
  83
  84 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
  85
  86         * configure: Regenerated.
  87
  88 2005-10-28  Dave Brolley  <brolley@redhat.com>
  89
  90         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
  91
  92         Contribute the following changes:
  93         2003-09-29  Dave Brolley  <brolley@redhat.com>
  94
  95         * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
  96         CGEN_ATTR_VALUE_TYPE.
  97         * mloop.in: Ditto.
  98         * pipeline.c: Ditto.
  99         * traps.c: Ditto.
 100
 101 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 102
 103         * configure: Regenerate.
 104
 105 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 106
 107         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 108         explicit call to AC_CONFIG_HEADER.
 109         * configure: Regenerate.
 110
 111 2005-01-12  Andrew Cagney  <cagney@gnu.org>
 112
 113         * configure.ac: Update to use ../common/common.m4.
 114         * configure: Re-generate.
 115
 116 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 117
 118         * configure: Regenerated to track ../common/aclocal.m4 changes.
 119
 120 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 121
 122         * configure.ac: Rename configure.in, require autoconf 2.59.
 123         * configure: Re-generate.
 124
 125 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 126
 127         * configure: Regenerate for ../common/aclocal.m4 update.
 128
 129 2004-08-27  Richard Sandiford  <rsandifo@redhat.com>
 130
 131         * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
 132         * cpuall.h, model.c, sem.c: Regenerated.
 133
 134 2004-03-01  Richard Sandiford  <rsandifo@redhat.com>
 135
 136         * Makefile.in (SIM_OBJS): Add profile-fr450.o.
 137         (profile-fr450.o): New dependency.
 138         (stamp-cpu): Add fr450 to the list of machs.
 139         * sim-frv.h (SPR_IS_ACC): New macro.
 140         (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
 141         * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
 142         * frv.c (check_register_alignment, check_fr_register_alignment)
 143         (check_memory_alignment, do_media_average): Likewise.
 144         (frvbf_clear_accumulators): Likewise.  Use a mask of valid registers
 145         rather than a consecutive range.
 146         * interrupts.c (frv_queue_illegal_instruction_interrupt)
 147         (frv_queue_non_implemented_instruction_interrupt): Handle
 148         bfd_mach_fr450.
 149         * memory.c (check_data_read_address, check_readwrite_address)
 150         (check_insn_read_address, check_write_address): Likewise.
 151         * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
 152         * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
 153         (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
 154         * profile-fr450.c: New file.
 155         * registers.c (fr450_spr): New array.
 156         (frv_register_control_init): Check its size.  Use it for fr450.
 157         (frv_check_register_access): Handle bfd_mach_fr450.
 158         (frv_check_spr_read_access): Likewise. Generalize accumulator check.
 159         * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
 160         (frvbf_media_acc_not_aligned): Likewise.
 161         (frvbf_media_register_not_aligned): Likewise.
 162         * arch.c: Regenerate.
 163         * arch.h: Regenerate.
 164         * cpu.h: Regenerate.
 165         * cpuall.h: Regenerate.
 166         * decode.h: Regenerate.
 167         * model.c: Regenerate.
 168
 169 2004-03-01  Richard Sandiford  <rsandifo@redhat.com>
 170
 171         * cache.c (frv_cache_init): Change fr400 cache statistics to match
 172         the fr405.
 173         (non_cache_access): Add missing breaks.
 174         * interrupts.c (set_exception_status_registers): Always set EAR15
 175         for data_access_errors.
 176         * memory.c (fr400_check_write_address): Remove redundant alignment
 177         check.
 178         * model.c: Regenerate.
 179
 180 2004-03-01  Richard Sandiford  <rsandifo@redhat.com>
 181
 182         * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
 183
 184 2004-03-01  Richard Sandiford  <rsandifo@redhat.com>
 185
 186         * decode.c, decode.h, model.c, sem.c: Regenerate.
 187
 188 2003-11-24  Kevin Buettner  <kevinb@redhat.com>
 189
 190         * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
 191         (SPR_REGNUM_MAX): Delete.
 192         * frv.c (gdb/sim-frv.h): Include.
 193         (frvbf_fetch_register, frvbf_store_register): Use register number
 194         constants from gdb/sim-frv.h.  Check availability of general
 195         purpose and float registers.
 196
 197 2003-11-03  Dave Brolley  <brolley@redhat.com>
 198
 199         * cache.c (address_interference): Check for higher priority requests
 200         in the same pipeline.
 201
 202 2003-10-31  Dave Brolley  <brolley@redhat.com>
 203
 204         * frv-sim.h (LR_REGNUM): Removed.
 205         (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
 206         * frv.c (frvbf_fetch_register): Fetch SPR registers based on
 207         SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
 208         Return 0 for an unimplemented register. Return the length of the data
 209         for an implemented register.
 210         (frvbf_store_register): Ditto.
 211
 212 2003-10-30  Andrew Cagney  <cagney@redhat.com>
 213
 214         * traps.c: Replace "struct symbol_cache_entry" with "struct
 215         bfd_symbol".
 216
 217 2003-10-10  Dave Brolley  <brolley@redhat.com>
 218
 219         * cpu.h, sem.c: Regenerate.
 220
 221 2003-10-06  Dave Brolley  <brolley@redhat.com>
 222
 223         * profile-fr550.[ch]: New files.
 224         * configure.in: Move frv handling to alphabetically correct placement.
 225         * Makefile.in: Add fr550 support.
 226         * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
 227         profile.[ch],registers.c,traps.c: Add fr550 support.
 228         * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
 229         Regenerate.
 230
 231 2003-09-25  Dave Brolley  <brolley@redhat.com>
 232
 233         * reset.c (frv_initialize): Call frv_register_control_init first.
 234
 235 2003-09-24  Dave Brolley  <brolley@redhat.com>
 236
 237         * profile.h (update_FR_ptime): New prototype.
 238         (update_FRdouble_ptime): Ditto.
 239         (update_SPR_ptime): Ditto.
 240         (increase_ACC_busy): Ditto.
 241         (enforce_full_acc_latency): Ditto.
 242         (post_wait_for_SPR): Ditto.
 243         * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
 244         (update_FRdouble_ptime): Ditto.
 245         (update_SPR_ptime): New function.
 246         (increase_ACC_busy): Ditto.
 247         (enforce_full_acc_latency): Ditto.
 248         (vliw_wait_for_fdiv_resource): Correct resource name.
 249         (vliw_wait_for_fsqrt_resource): Ditto.
 250         (post_wait_for_SPR): New function.
 251         * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
 252         (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
 253         adjust_float_register_busy.
 254         (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
 255         (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
 256         registers.
 257         (frvbf_model_fr500_u_float_arith): Ditto.
 258         (frvbf_model_fr500_u_float_dual_arith): Ditto.
 259         (frvbf_model_fr500_u_float_div): Ditto.
 260         (frvbf_model_fr500_u_float_sqrt): Ditto.
 261         (frvbf_model_fr500_u_float_convert): Ditto.
 262         (update_FR_ptime): Moved to profile.c
 263         (update_FRdouble_ptime): Moved to profile.c
 264         * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
 265         for other machines.
 266         (update_FRdouble_ptime): Ditto.
 267         * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
 268
 269 2003-09-12  Dave Brolley  <brolley@redhat.com>
 270
 271         * registers.c (frv_check_spr_read_access): Check for access to
 272         ACC4-ACC63 and ACCG4-ACCG63.
 273         * profile.h (frv-desc.h): #include it.
 274         (spr_busy): New member of FRV_PROFILE_STATE.
 275         (spr_latency): Ditto.
 276         (GNER_FOR_GR): New macro.
 277         (FNER_FOR_FR): New maccro.
 278         (update_SPR_latency): New function.
 279         (vliw_wait_for_SPR): New function.
 280         * profile.c (update_latencies): Update SPR latencies.
 281         (update_target_latencies): Ditto.
 282         (update_SPR_latency): New function.
 283         (vliw_wait_for_SPR): New function.
 284         * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
 285         (frvbf_model_fr500_u_trap): Removed unused variable, ps.
 286         (frvbf_model_fr500_u_check): Ditto.
 287         (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
 288         (frvbf_model_fr500_u_clrfr): Ditto.
 289         (frvbf_model_fr500_u_spr2gr): Wait for SPR.
 290         (frvbf_model_fr500_u_gr2spr): Ditto.
 291         * frv-sim.h (H_SPR_ACC4): New macro.
 292         (H_SPR_ACCG4): New macro;
 293         (H_SPR_ACC0): Removed.
 294         (H_SPR_ACCG0): Removed.
 295         * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
 296
 297 2003-09-10  Dave Brolley  <brolley@redhat.com>
 298
 299         * profile.c (slot_names): FM1 was listed twice. Changed first
 300         instance to FM0. Added IALL, FMALL and FMLOW.
 301         (print_parallel): Don't examine slots with no insns.
 302
 303 2003-09-09  Dave Brolley  <brolley@redhat.com>
 304
 305         * frv.c (do_media_average): Select machine using a switch.
 306
 307 2003-09-08  Dave Brolley  <brolley@redhat.com>
 308
 309         On behalf of Doug Evans <dje@sebabeach.org>
 310         * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
 311         Remove copying of .cpu file to cgen/cpu, no longer needed.
 312
 313 2003-09-03  Dave Brolley  <brolley@redhat.com>
 314
 315         * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
 316
 317 2003-08-29  Dave Brolley  <brolley@redhat.com>
 318
 319         * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
 320         temporarily when regenerating files.
 321         (stamp-cpu): Ditto.
 322
 323 2003-08-20  Micheal Snyder  <msnyder@redhat.com>
 324
 325         * All generated files: Regenerate.
 326
 327 2001-10-11  Dave Brolley  <brolley@redhat.com>
 328
 329         * cpu.h,decode.c,decode.h,sem.c: Regenerate.
 330
 331 2001-10-09  Dave Brolley  <brolley@redhat.com>
 332
 333         * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
 334         not set.
 335         * reset.c (frv_hardware_reset): Invalidate both caches.
 336         * registers.c: Update init, reset and read-only masks for all registers
 337         on all machines.
 338         * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
 339         (prev_gr_complex): New field of FRV_PROFILE_STATE
 340         (set_use_is_gr_complex): New function.
 341         (set_use_not_gr_complex): New function.
 342         (use_is_gr_complex): New function.
 343         (decrease_GR_busy): New function.
 344         * profile.c (reset_gr_flags): New function.
 345         (reset_cc_flags): New function.
 346         (set_use_is_gr_complex): New function.
 347         (set_use_not_gr_complex): New function.
 348         (use_is_gr_complex): New function.
 349         (update_latencies): Reset gr and cc flags when latency reaches 0.
 350         (decrease_GR_busy): New function.
 351         * profile-fr400.h (fr500_reset_acc_flags): Removed.
 352         (fr500_reset_cc_flags): New function.
 353         * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
 354         LSI version 1.41.
 355         * profile-fr400.h (fr400_reset_gr_flags): New function.
 356         (fr400_reset_fr_flags): New function.
 357         (fr400_reset_acc_flags): New function.
 358         * profile-fr400.c (set_use_not_media_p4): New function.
 359         (set_use_not_media_p6): New function.
 360         (set_acc_use_not_media_p2): New function.
 361         (set_acc_use_not_media_p4): New function.
 362         (fr400_reset_gr_flags): New function.
 363         (fr400_reset_fr_flags): New function.
 364         (fr400_reset_acc_flags): New function.
 365         (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
 366         (frvbf_model_fr400_u_media_hilo): New function.
 367         * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
 368         * memory.c (fr400_check_data_read_address): Check address range only
 369         for double word loads. Don't check alignment here.
 370         (fr400_check_readwrite_address): New function.
 371         (fr500_check_readwrite_address): New function.
 372         (check_readwrite_address): New function.
 373         (fr500_check_insn_read_address): Correct address ranges.
 374         (frvbf_read_mem_*): Check address range here.
 375         (frv_address_forbidden): Removed.
 376         (fr400_check_write_address): New function.
 377         (check_write_address): New function.
 378         (frvbf_write_mem_*): Don't check address range here.
 379         (frvbf_mem_set_*): Check address range here.
 380         * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
 381         address as second argument.
 382         (frv_queue_data_access_exception_interrupt): New function.
 383         (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
 384         media insns on fr400.
 385         (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
 386         for media insns on fr400.
 387         (frv_detect_insn_access_interrupts): Don't check for illegal addresses
 388         of insns here.  Check for MTRAP insn if PSR.EM is not set.
 389         (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
 390         set.
 391         (set_exception_status_registers): Do not always set EPCR. Set EAR for
 392         data_acess_error only if not fr400.
 393         * frv.c (do_media_average): New function.
 394         (frvbf_media_average): New function.
 395         (frvbf_insn_cache_invalidate): Check for illegal invocation.
 396         (frvbf_data_cache_invalidate): Ditto.
 397         (frvbf_data_cache_flush): Ditto.
 398         * frv-sim.h (GET_FSR_QNE): New macro.
 399         (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
 400         (GET_MSR_SRDAV): New macro.
 401         (GET_MSR_RDAV): New macro.
 402         (GET_MSR_RD): New macro.
 403         (frv_queue_data_access_error_interrupt): Now takes an address as second
 404         argument.
 405         (frv_address_forbidden): Removed.
 406         * cache.c (non_cache_access): Correct address ranges. Now takes cache
 407         as first argument.
 408         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
 409
 410 2001-08-20  Dave Brolley  <brolley@redhat.com>
 411
 412         * sim-main.h (_sim_cpu): New field 'elf_flags'.
 413         * sim-if.c (sim_open): Extract the elf_flags from the input file and
 414         save them with each cpu.
 415         * mloop.in (main loop): Pass elf flags to frv_vliw_reset.  Set
 416         last_insn_p before executing the insn.
 417         * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
 418         insn cache.
 419         (frv_cache_invalidate_all): Ditto.
 420
 421 2001-08-20  Richard Sandiford  <rsandifo@redhat.com>
 422
 423         * traps.c (syscall_read_mem): Flush the data cache before reading.
 424         (syscall_write_mem): Flush the data cache before writing.
 425         Invalidate both caches.
 426
 427 2001-07-05  Ben Elliston  <bje@redhat.com>
 428
 429         * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
 430         (stamp-cpu): Likewise.
 431
 432 2001-05-23  Dave Brolley  <brolley@redhat.com>
 433
 434         * profile-fr400.c (acc_use_is_media_p2): New function.
 435         (frvbf_model_fr400_u_media_2): Account for latency of output
 436         accumulators.
 437         (frvbf_model_fr400_u_media_2_quad): Ditto.
 438         (frvbf_model_fr400_u_media_2_acc): New function.
 439         (frvbf_model_fr400_u_media_2_acc_dual): New function.
 440         (frvbf_model_fr400_u_media_2_add_sub): New function.
 441         (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
 442         (frvbf_model_fr400_u_media_3_dual): New function.
 443         (frvbf_model_fr400_u_media_4_acc_dual): New function.
 444         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
 445
 446 2001-05-15  Dave Brolley  <brolley@redhat.com>
 447
 448         * registers.c (fr400_spr): Enable write access to HSR0.CBM.
 449         * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
 450         * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
 451         (request_cache_flush): Save 'all' argument.
 452         (request_cache_invalidate): Save all_cache_entries from profile state
 453         to 'all' field of the request.
 454         (submit_cache_request): Pass the 'all' field of the request to
 455         frv_cache_request_invalidate.
 456         * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
 457         operation even if HSR0.ICE is not set.
 458         (frv_data_cache_invalidate): Add new 'all' parameter. Perform
 459         operation even if HSR0.DCE is not set.
 460         (frv_data_cache_flush): Ditto.
 461         * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
 462         (frv_data_cache_invalidate): Add new 'all' parameter.
 463         (frv_data_cache_flush): Add new 'all' parameter.
 464         * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
 465         (frv_cache_request_invalidate): Add new 'all' parameter.
 466         * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
 467         its value in the invalidate request.
 468         (address_interference): Accept the value '-1' for the address argument
 469         to mean 'any address'.
 470         (handle_req_invalidate): Handle request to invalidate all cache lines.
 471         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
 472
 473 2001-05-14  Dave Brolley  <brolley@redhat.com>
 474
 475         * profile.h (past_first_p): New field of profiling state.
 476         (branch_penalty): Ditto.
 477         (branch_hint): Ditto.
 478         (update_branch_penalty): New function.
 479         * profile.c (frvbf_model_insn_after): Reset past_first_p and
 480         branch_address fields of the profiling state.
 481         (frvbf_model_branch): New function.
 482         (update_branch_penalty): New function.
 483         * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
 484         FCCi_3 inputs.
 485         (frvbf_model_fr500_u_trap): New function.
 486         (frvbf_model_fr500_u_check): New function.
 487         (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
 488         cycles.
 489         * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
 490         as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
 491         (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
 492         documented in teh fr400 LSI.
 493         (frvbf_model_fr400_u_media_dual_htob): Ditto.
 494         (frvbf_model_fr400_u_media_dual_unpack): Removed.
 495         (frvbf_model_fr500_u_trap): New function.
 496         (frvbf_model_fr500_u_check): New function.
 497         * mloop.in (simulate_dual_insn_prefetch): New function.
 498         (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
 499         arguments for each machine type.
 500         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
 501
 502 2001-05-09  Dave Brolley  <brolley@redhat.com>
 503
 504         * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
 505         (profile-fr400.o): New target.
 506         * profile.c: New file.
 507         * profile.h: New file.
 508         * profile-fr400.c: New file.
 509         * profile-fr400.h: New file.
 510         * profile-fr500.c: New file.
 511         * profile-fr500.h: New file.
 512         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
 513
 514 2001-05-02  Dave Brolley  <brolley@redhat.com>
 515
 516         * sim-main.h (profile.h): #include it.
 517         (CPU_PROFILE_STATE): New macro.
 518         (profile_state): New frv specific cpu field.
 519         * reset.c (frv_initialize): insn_fetch_address and branch_address now
 520         part of global profiling state.
 521         * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
 522         (SIM_EXTRA_DEPS): Add profile.h.
 523         (registers.o): Correct name of source file.
 524         (profile.o): New target.
 525         (profile-fr500.o): New target.
 526         * frv-sim.h: Move profile related data structures to profile.h.
 527         * frv.c: Move fr500 specific functions to profile-fr500.c.
 528         * cpu.h: Regenerated.
 529
 530 2001-04-27  Dave Brolley  <brolley@redhat.com>
 531
 532         * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
 533         * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
 534         Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
 535         Rename PIPE_* to UNIT_*.
 536         (frv_queue_illegal_instruction_interrupt): Use
 537         frv_is_float_insn and frv_is_media_insn.
 538         (frv_queue_non_implemented_instruction_interrupt): Ditto.
 539         (frv_detect_insn_access_interrupts): Ditto.
 540         * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
 541         Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
 542         * memory.c: Ditto.
 543         * pipeline.c: Ditto.
 544         * mloop.in: Ditto.
 545         * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
 546         * cache.c: Rename PIPE_* to UNIT_*.
 547
 548 2001-04-24  Dave Brolley  <brolley@redhat.com>
 549
 550         * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
 551         (frvbf_load_quad_FRint): Ditto.
 552         (frvbf_load_quad_CPR): Ditto.
 553         * cache.c (frv_cache_init): Initialize cache for fr400 vs other
 554         machines.
 555         (bfd.h): #include it.
 556         (non_cache_access): Update for revised fr500 and for fr400.
 557         * registers.c (frv_spr): Don't reset PSR.PS.
 558         (fr500_spr): Ditto.
 559         (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
 560
 561 2001-04-23  Dave Brolley  <brolley@redhat.com>
 562
 563         * traps.c (frv_core_signal): On fr400, generate data_access_error.
 564         (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
 565         (frvbf_media_acc_not_aligned): Ditto.
 566         (frvbf_media_register_not_aligned): Ditto.
 567         (frvbf_division_exception): Use GET_ISR_EDE.
 568         * registers.c (frv_check_spr_read_access): New function.
 569         (frv_check_spr_write_access): New function.
 570         (frv_check_spr_access): Deleted.
 571         (frv_check_register_access): On fr400, generate illegal_instruction.
 572         * memory.c (fr400_check_data_read_address): New function.
 573         (fr500_check_data_read_address): Ditto.
 574         (check_data_read_address): Ditto.
 575         (fr400_check_insn_read_address): Ditto.
 576         (fr500_check_insn_read_address): Ditto.
 577         (check_insn_read_address): Ditto.
 578         (frvbf_read_mem_QI): Call check_data_read_access.
 579         (frvbf_read_mem_UQI): Ditto.
 580         (frvbf_read_mem_HI): Ditto.
 581         (frvbf_read_mem_UHI): Ditto.
 582         (frvbf_read_mem_SI): Ditto.
 583         (frvbf_read_mem_DI): Ditto.
 584         (frvbf_read_mem_DF): Ditto.
 585         (frvbf_read_imem_USI): Call check_insn_read_access.
 586         (frv_address_forbidden): Now takes cpu as first argument. Check based
 587         on machine type.
 588         (fr400_mem_address_unaligned): New function.
 589         (fr500_mem_address_unaligned): Ditto.
 590         (check_write_address): Ditto.
 591         (frvbf_mem_set_QI): Call check_write_address.
 592         (frvbf_mem_set_HI): Ditto.
 593         (frvbf_mem_set_SI): Ditto.
 594         (frvbf_mem_set_DI): Ditto.
 595         (frvbf_mem_set_DF): Ditto.
 596         (frvbf_mem_set_XI): Ditto.
 597         * interrupts.c (bfd.h): #include it.
 598         (frv_queue_data_access_error_interrupt): New function.
 599         (frv_queue_instruction_access_error_interrupt): New function.
 600         (frv_queue_instruction_access_exception_interrupt): New function.
 601         (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
 602         (frv_queue_non_implemented_instruction_interrupt): Ditto.
 603         (frv_detect_insn_access_interrupts): Reorder tests to match priority
 604         from the LSI manual.
 605         (set_isr_exception_fields): Accumulate dtt bits.
 606         * frv.c (check_register_alignment): New function.
 607         (check_fr_register_alignment): New function.
 608         (check_memory_alignment): New function.
 609         (frvbf_h_gr_double_get_handler): Call check_register_alignment.
 610         (frvbf_h_gr_double_set_handler): Ditto.
 611         (frvbf_h_cpr_double_get_handler): Ditto.
 612         (frvbf_h_cpr_double_set_handler): Ditto.
 613         (frvbf_h_gr_quad_set_handler): Ditto.
 614         (frvbf_h_cpr_quad_set_handler): Ditto.
 615         (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
 616         (frvbf_h_fr_double_set_handler): Ditto.
 617         (frvbf_h_fr_quad_set_handler): Ditto.
 618         (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
 619         (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
 620         (frvbf_load_quad_GR): Call check_memory_aligment.
 621         (frvbf_load_quad_FRint): Ditto.
 622         (frvbf_load_quad_CPR): Ditto.
 623         (frvbf_store_quad_GR): Call check_memory_aligment and
 624         check_register_alignment.
 625         (frvbf_store_quad_FRint): Ditto.
 626         (frvbf_store_quad_CPR): Ditto.
 627         (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
 628         * frv-sim.h (H_SPR_ACC0): New macro.
 629         (H_SPR_ACC63): New macro.
 630         (H_SPR_ACCG0): New macro.
 631         (H_SPR_ACCG63): New macro.
 632         (frv_dtt): New enumerator.
 633         (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
 634         (GET_ISR_DTT): New macro.
 635         (frv_queue_data_access_error_interrupt): New function.
 636         (frv_queue_instruction_access_error_interrupt): New function.
 637         (frv_queue_instruction_access_exception_interrupt): New function.
 638         (frv_address_forbidden): Now takes cpu as first argument.
 639         * cpu.h: Regenerate.
 640
 641 2001-04-10  Dave Brolley  <brolley@redhat.com>
 642
 643         * registers.c (fr500_spr): Add new fields to fr500 PSR register.
 644         (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
 645         (fr400_spr): Implement SPR registers for fr400.
 646         (frv_register_control_init): Handle bfd_mach_fr400 properly.
 647         * frv.c (spr_bpsr_get_handler): Mask field before shifting.
 648         (spr_psr_get_handler): Ditto.
 649         (spr_ccr_get_handler): Ditto.
 650         (spr_cccr_get_handler): Ditto.
 651         (frvbf_clear_accumulators): Only 4 accumulators on fr400.
 652         * frv-sim.h: Update comment about MCCR_* macros.
 653         * cpu.c,cpu.h: Regenerate.
 654
 655 2001-04-05  Dave Brolley  <brolley@redhat.com>
 656
 657         * cpu.h,decode.c,model.c,sem.c: Regenerate.
 658
 659 2001-04-05  Dave Brolley  <brolley@redhat.com>
 660
 661         * reset.c: Update copyright.
 662         * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
 663         * frv.c (frvbf_model_fr400_u_exec): New function.
 664         * Makefile.in (stamp-cpu): Add fr400 to list of machines.
 665         * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
 666         Regenerate.
 667
 668 2000-11-22  Dave Brolley  <brolley@redhat.com>
 669
 670         * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
 671         Regenerate.
 672
 673 2000-11-10  Dave Brolley  <brolley@redhat.com>
 674
 675         * decode.c: Regenerate.
 676
 677 2000-09-12  Dave Brolley  <brolley@redhat.com>
 678
 679         * traps.c (frv_sim_engine_halt_hook): New function.
 680         (frv_itrap): Caches now invalidated in sim_engine_halt via
 681         SIM_ENGINE_HALT_HOOK.
 682         (frv_break): Ditto.
 683         * sim-main.h (frv_sim_engine_halt_hook): New function.
 684         (SIM_ENGINE_HALT_HOOK): New macro.
 685         (SIM_ENGINE_RESTART_HOOK): New macro.
 686         * interrupts.c: Call to frv_term now done within sim_engine_halt via
 687         SIM_ENGINE_HALT_HOOK.
 688
 689 2000-09-08  Dave Brolley  <brolley@redhat.com>
 690
 691         * traps.c (frv_itrap): Invalidate and flush the data and insn caches
 692         respectively when stopping for a breakpoint.
 693         (frv_break): Ditto.
 694         * cache.h (frv_cache_invalidate_all): New function.
 695         * cache.c (frv_cache_invalidate_all): New function.
 696
 697 2000-09-05  Dave Brolley  <brolley@redhat.com>
 698
 699         * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
 700         sim_handle_breakpoint. Otherwise if environment != operating call
 701         sim_engine_halt. Otherwise handle normally.
 702         * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
 703         breakpoints here. Moved to frv_break in traps.c.
 704
 705         * sem.c: Regenerate.
 706
 707 2000-09-01  Dave Brolley  <brolley@redhat.com>
 708
 709         * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
 710         before queuing an interrupt in order to allow 'break' to be used as
 711         the breakpoint insn.
 712
 713 2000-08-29  Dave Brolley  <brolley@redhat.com>
 714
 715         * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
 716
 717 2000-07-27  Dave Brolley  <brolley@redhat.com>
 718
 719         * cpu.h,decode.c: Rebuild.
 720
 721 2000-07-26  Dave Brolley  <brolley@redhat.com>
 722
 723         * frv.c (spr_cccr_get_handler): Change CRx to CCx.
 724         (spr_cccr_set_handler): Change CRx to CCx.
 725         * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
 726
 727 2000-07-24  Dave Brolley  <brolley@redhat.com>
 728
 729         * sem.c: Regenerate.
 730         * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
 731         Don't write it directly.
 732
 733 Thu Jul  6 13:51:12 2000  Dave Brolley  <brolley@topaz>
 734
 735         * configure: Regenerated to track ../common/aclocal.m4 changes.
 736
 737 2000-07-05  Ben Elliston  <bje@redhat.com>
 738
 739         * configure: Regenerated to track ../common/aclocal.m4 changes.
 740
 741 2000-06-28  Dave Brolley  <brolley@redhat.com>
 742
 743         * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
 744
 745 2000-06-21  Dave Brolley  <brolley@redhat.com>
 746
 747         * pipeline.c: All code except frv_pipeline_setup_insn moved to
 748         frv.opc.
 749         * mloop.in (main loop): frv_pipeline_add_insn broken up into
 750         frv_pipeline_add_insn and frv_pipeline_setup_insn.
 751         * frv-sim.h: Move pipeline status code to frv.opc.
 752         * model.c: Regenerate.
 753
 754 2000-06-12  Dave Brolley  <brolley@redhat.com>
 755
 756         * options.c (frv_option_handler): --profile-parallel implies
 757         --profile-model.
 758         * mloop.in (fetch_buffer): Removed.
 759         (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
 760         run_caches.  Use cache directly if not counting cycles.  Don't use
 761         cache at all if not counting cycles and cache not enabled.
 762         * frv.c (frv_insn_fetch_buffer): New global variable.
 763         (run_caches): Monitor the status of insn prefetch requests.
 764         * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
 765         (frv_insn_fetch_buffer): New global variable.
 766
 767 2000-06-12  Dave Brolley  <brolley@redhat.com>
 768
 769         * mloop.in (fetch_buffer): New static struct.
 770         (@cpu@_simulate_insn_prefetch): Rewritten.
 771         * cache.c (frv_cache_request_invalidate): Don't invalidate return
 772         buffer.
 773         (address_interference): Defer to any WAR request in either pipeline.
 774
 775 2000-06-09  Dave Brolley  <brolley@redhat.com>
 776
 777         * pipeline.c (insns_in_slot): New Array.
 778         (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
 779         * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
 780         option.
 781         (parse_cache_option): New function.
 782         (frv_option_handler): Call parse_cache_option.
 783         * frv.c (vliw_branch_taken): New variable.
 784         (vliw_load_stall): New variable.
 785         (handle_resource_wait): Update vliw_load_stall.
 786         (frvbf_model_insn_before): Initialize vliw_branch_taken and
 787         vliw_load_stall.
 788         (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
 789         (load_wait_for_FR): Update vliw_load_stall.
 790         (load_wait_for_GR): Update vliw_load_stall.
 791         (load_wait_for_FRdouble): Update vliw_load_stall.
 792         (load_wait_for_GRdouble): Update vliw_load_stall.
 793         (frvbf_model_fr500_u_branch): Count branches taken and not taken.
 794         (slot_names): New static array.
 795         (print_parallel): Now takes second argument 'verbose'. Print cycles per
 796         VLIW insn and instructions per cycle. Also tabulate the number of insns
 797         in each type of VLIW slot.
 798         (frv_profile_info): Call print_parallel with new second argument.
 799         * frv-sim.h (insn_in_slot): New array.
 800         (COUNT_INSNS_IN_SLOT): New macro.
 801         (INSNS_IN_SLOT): New macro.
 802         * cache.c: Remove references to non_blocking_count. Remove references to
 803         last_was_hit. Remove references to req_none.
 804         (handle_req_store): Adjust statistics before requeuing the store
 805         request.
 806         (handle_req_WAR): Don't let the WAR request affect the cache statistics.
 807         * cache.h: Remove references to non_blocking_count. Remove references to
 808         last_was_hit. Remove references to req_none.
 809         * model.c: Regenerate.
 810
 811 2000-06-08  Dave Brolley  <brolley@redhat.com>
 812
 813         * frv.c (request_complete): Copy load data from the correct return
 814         buffer.
 815
 816 2000-06-07  Dave Brolley  <brolley@redhat.com>
 817
 818         * traps.c (frv_core_signal): Call frv_term before exiting.
 819         (frv_itrap): Call frv_term before exiting.
 820         (next_available_nesr): Make sure NECR is implemented before reading it.
 821         (next_valid_nesr): Ditto.
 822         (frvbf_check_non_excepting_load): Ditto.
 823         (frvbf_clear_ne_flags): Ditto.
 824         (frvbf_commit): Ditto.
 825         (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
 826         * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
 827         store_flag members.
 828         (CPU_LOAD_ADDRESS): New macro.
 829         (CPU_LOAD_LENGTH): New macro.
 830         (CPU_LOAD_SIGNED): New macro.
 831         (CPU_LOAD_LOCK): New macro.
 832         * reset.c (frv_term): New function.
 833         (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
 834         (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
 835         (frv_software_reset): Use SETMEMSI if the cache is not enabled.
 836         * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
 837         the insn. Model the insn in two passes. One before and one after
 838         execution.
 839         (cache_reqno): new static variable.
 840         (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
 841         cache rather than assuming a fixed latency.
 842         (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
 843         enabled so that modeling data is collected by cgen during execution.
 844         (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
 845         * memory.c (data_non_cache_access): Removed.
 846         (insn_non_cache_access): Removed.
 847         (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
 848         (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
 849         (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
 850         (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
 851         (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
 852         (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
 853         (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
 854         (frvbf_read_imem_USI): Read the cache or ememory passively.
 855         (frvbf_write_mem_QI): Don't check for non-cache access here.
 856         (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
 857         (frvbf_write_mem_HI): Don't check for non-cache access here.
 858         (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
 859         (frvbf_write_mem_SI): Don't check for non-cache access here.
 860         (frvbf_write_mem_DI): Don't check for non-cache access here.
 861         (frvbf_write_mem_DF): Don't check for non-cache access here.
 862         (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
 863         (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
 864         (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
 865         (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
 866         (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
 867         (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
 868         * interrupts.c (check_reset): Read the cache and memory passively.
 869         (frv_program_or_software_interrupt): Call frv_term before calling
 870         sim_engine_halt.
 871         * frv.c (all modeling functions): Break into two passes. One before
 872         execuetion and one after. call load_wait_for_* for all GR and FR
 873         registers.
 874         (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
 875         (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
 876         (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
 877         (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
 878         (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
 879         (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
 880         (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
 881         (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
 882         (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
 883         (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
 884         (model_insn): New global variable.
 885         (fr_ptime): New array.
 886         (cache_request): New enumeration.
 887         (CACHE_QUEUE_ELEMENT): New struct type.
 888         (CACHE_QUEUE_SIZE): New macro.
 889         (cache_queue): New static struct.
 890         (request_cache_load): New function.
 891         (request_cache_flush): New function.
 892         (request_cache_invalidate): New function.
 893         (request_cache_preload): New function.
 894         (request_cache_unlock): New function.
 895         (submit_cache_request): New function.
 896         (activate_cache_requests): New function.
 897         (load_pending_for_register): New function.
 898         (flush_pending_for_address): New function.
 899         (remove_cache_queue_element): New function.
 900         (copy_load_data): New function.
 901         (request_complete): New function.
 902         (run_caches): New function.
 903         (frv_model_trace_wait_cycles): New function.
 904         (wait_for_flush): New function.
 905         (frvbf_model_insn_before): Insn prefect wait now modeled in
 906         frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
 907         wait_for_flush.
 908         (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
 909         vliw_insns here anymore.
 910         (update_FR_latency_for_load): New function.
 911         (update_FRdouble_latency_for_load): New function.
 912         (update_FR_ptime): New function.
 913         (update_FRdouble_ptime): New function.
 914         (update_GR_latency_for_swap): New function.
 915         (load_wait_for_GR): New function.
 916         (load_wait_for_FR): New function.
 917         (load_wait_for_GRdouble): New function.
 918         (load_wait_for_FRdouble): New function.
 919         (frvbf_model_fr500_u_ici): New function.
 920         (frvbf_model_fr500_u_dci): New function.
 921         (frvbf_model_fr500_u_dcf): New function.
 922         (frvbf_model_fr500_u_icpl): New function.
 923         (frvbf_model_fr500_u_dcpl): New function.
 924         (frvbf_model_fr500_u_icul): New function.
 925         (frvbf_model_fr500_u_dcul): New function.
 926         * frv-sim.h (frv_term): New function.
 927         (insn_non_cache_access): Removed.
 928         (FRV_COUNT_CYCLES): New macro.
 929         (frv_save_peofile_model_p): New global variable.
 930         (model_insn): New enumerated global variable.
 931         (frv_model_advance_cycles): New function.
 932         (frv_model_trace_wait_cycles): New function.
 933         * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
 934         (FRV_CACHE_WAR_REQUEST): New struct type.
 935         (FRV_CACHE_STORE_REQUEST): New struct type.
 936         (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
 937         (FRV_CACHE_PRELOAD_REQUEST): New struct type.
 938         (FRV_CACHE_REQUEST): New struct type.
 939         (FRV_CACHE_RETURN_BUFFER): New struct type.
 940         (FRV_CACHE_FLUSH_STATUS): New struct type.
 941         (FRV_CACHE_STATUS): New struct type.
 942         (FRV_CACHE_STAGE): New struct type.
 943         (FRV_CACHE_STAGES): New enumeration.
 944         (FRV_CACHE_WAR): New struct type.
 945         (FRV_CACHE_PIPELINE): New struct type.
 946         (FRV_CACHE_ARS): New struct type.
 947         (FRV_CACHE_STATISTICS): New struct type.
 948         (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
 949         (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
 950         (CACHE_RETURN_DATA_ADDRESS): New macro.
 951         (frv_cache_read): Now takes pipe index as second argument.
 952         (frv_cache_enabled): New function.
 953         (frv_cache_request_load): New function.
 954         (frv_cache_request_store): New function.
 955         (frv_cache_request_invalidate): New function.
 956         (frv_cache_request_preload): New function.
 957         (frv_cache_request_unlock): New function.
 958         (frv_cache_run): New function.
 959         (frv_cache_read_passive_SI): New function.
 960         (frv_cache_data_in_buffer): New function.
 961         (frv_cache_data_flushed): New function.
 962         * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
 963         (frv_cache_enabled): New function.
 964         (non_cache_access): New function.
 965         (write_data_to_memory): Count write accesses for each mode. Write to
 966         memory using sim_core_write_unaligned_1;
 967         (read_data_from_memory): New function.
 968         (fill_line_from_memory): Use read_data_from_memory.
 969         (copy_line_to_return_buffer): New function.
 970         (copy_memory_to_return_buffer): New function.
 971         (set_return_buffer_reqno): New function.
 972         (frv_cache_read): Now takes pipe index as second argument. Check for
 973         non-cache access.
 974         (frv_cache_preload): Check for non-cache access.
 975         (frv_cache_unlock): Check for non-cache access.
 976         (invalidate_return_buffer): New function.
 977         (frv_cache_invalidate): Check for non-cache access.
 978         (convert_slot_to_index): New function.
 979         (FREE_CHAIN_SIZE): New macro.
 980         (frv_cache_request_free_chain): New static variable.
 981         (frv_store_request_free_chain): New static variable.
 982         (allocate_new_cache_requests): New function.
 983         (new_cache_request): New function.
 984         (free_cache_request): New function.
 985         (new_store_request): New function.
 986         (pipeline_remove_request): New function.
 987         (pipeline_add_request): New function.
 988         (pipeline_requeue_request): New function.
 989         (next_priority): New function.
 990         (add_WAR_request): New function.
 991         (pipeline_next_request): New function.
 992         (pipeline_stage_request): New function.
 993         (advance_pipelines): New function.
 994         (frv_cache_request_load): New function.
 995         (frv_cache_request_store): New function.
 996         (frv_cache_request_invalidate): New function.
 997         (frv_cache_request_preload): New function.
 998         (frv_cache_request_unlock): New function.
 999         (address_interference): New function.
1000         (wait_for_WAR): New function.
1001         (wait_in_WAR): New function.
1002         (handle_req_load): New function.
1003         (handle_req_preload): New function.
1004         (handle_req_store): New function.
1005         (handle_req_invalidate): New function.
1006         (handle_req_unlock): New function.
1007         (handle_req_WAR): New function.
1008         (arbitrate_requests): New function.
1009         (move_ARS_to_WAR): New function.
1010         (decrease_latencies): New function.
1011         (frv_cache_run): New function.
1012         (frv_cache_read_passive_SI): New function.
1013         (frv_cache_data_in_buffer): New function.
1014         (frv_cache_data_flushed): New function.
1015         * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1016
1017 Wed May 24 14:40:34 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1018
1019         * configure: Regenerated to track ../common/aclocal.m4 changes.
1020
1021 2000-05-19  Dave Brolley  <brolley@redhat.com>
1022
1023         * traps.c (frv_rett): Check for exceptions in the order specified in the
1024         architecture spec. Allow privileged_instruction interrrupt to be handled
1025         normally.
1026         * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
1027         * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
1028         to clear the NE flag.
1029         (frvbf_model_tomcat_u_exec): New function.
1030         * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
1031         * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1032         * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1033
1034 2000-05-18  Dave Brolley  <brolley@redhat.com>
1035
1036         * sim-if.c (elf-bfd.h): #include it.
1037         (sim_open): Set machine amd architecture based on elf flags.
1038
1039 2000-04-04  Dave Brolley  <brolley@redhat.com>
1040
1041         * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1042         Delete '#if 0' blocks.
1043         * frv.c: Delete '#if 0' blocks.
1044         (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1045         PSR.S and PSR.ESR.
1046         (frv_h_psr_esr_set_handler): Removed.
1047         * interrupts.c: Delete '#if 0' blocks.
1048         * memory.c: Delete '#if 0' blocks.
1049         * cpu.c,cpu.h: Regenerate.
1050
1051 2000-04-03  Dave Brolley  <brolley@redhat.com>
1052
1053         * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1054         containing the target address.
1055         (clear_nesr_neear): No longer takes hi_available and lo_available.
1056         Remove bogus check for available GR registers.
1057         (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1058         (frvbf_commit): Update call to clear_nesr_neear.
1059         * interrupts.c (next_available_esr): Removed.
1060         (next_available_edr): Removed.
1061         (next_available_fq): Removed.
1062         * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1063         (frvbf_store_register): Remove "FIXME" comment.
1064         * frv-sim.h (UART_INCHAR_ADDR): Removed.
1065         (UART_OUTCHAR_ADDR):  Removed.
1066         (UART_STATUS_ADDR):  Removed.
1067         (UART_INPUT_READY):  Removed.
1068         (UART_OUTPUT_READY):  Removed.
1069         (FRV_DEVICE_ADDR):  Removed.
1070         (FRV_DEVICE_LEN):  Removed.
1071         (SET_NESR): Call frvbf_force_update.
1072         (SET_NEEAR): Call frvbf_force_update.
1073         (SET_NE_FLAGS): Call frvbf_force_update.
1074
1075 2000-03-30  Dave Brolley  <brolley@redhat.com>
1076
1077         * configure: Regenerated.
1078
1079 2000-03-30  Dave Brolley  <brolley@redhat.com>
1080
1081         * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1082         * memory.c (frvbf_write_mem_*): Save slot containing the insn
1083         performing the write.
1084         (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1085         queue element with the information in the interrupt state.
1086         * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1087         (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1088         (frv_set_interrupt_queue_slot): New function.
1089         (esr_for_data_access_exception): New function.
1090         (set_edr_register): edr_index is now passed in.
1091         (fq_for_exception): New function.
1092         (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1093         element now passed in.
1094         (set_exception_status_registers): Obtain slot from interrupt queue
1095         element. Call esr_for_data_access_exception. Use ESR14
1096         for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1097         (frv_save_data_written_for_interrupts): Save slot containing the insn
1098         performing the write.
1099         * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1100         frv_fsr_ftt.
1101         (struct frv_interrupt_state): Add 'slot' field.
1102         (frv_set_interrupt_queue_slot): New function.
1103         (frv_set_write_queue_slot): New function.
1104
1105 2000-03-24  Dave Brolley  <brolley@redhat.com>
1106
1107         * mloop.in (_parallel_write_init): Initialize
1108         frv_interrupt_state.imprecise_interrupt.
1109         (_parallel_write_queued): After an imprecise interrupt, only perform
1110         forced writes and floating point writes (for certain exceptions).
1111         * interrupts.c (handle_interrupt): Set
1112         frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1113         interrupt.
1114         (frv_process_interrupts): No need to clear f_ne_flags.
1115         * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1116         force them to happen even if there is an overflow exception.
1117         (frvbf_force_update): New function.
1118         * frv-sim.h (frvbf_force_update): New function.
1119         (struct frv_interrupt_state): Add imprecise_interrupt.
1120         (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1121         * sem.c: Regenerate.
1122
1123 2000-03-23  Dave Brolley  <brolley@redhat.com>
1124
1125         * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1126         * registers.c (frv_spr): MCIRL -> MCILR.
1127         * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1128         New function.
1129         (frv_detect_insn_access_interrupts):
1130         Call frv_queue_non_implemented_instruction_interrupt.
1131         (frv_process_interrupts): Clear accumulated NE flags.
1132         * frv.c (frvbf_media_cop): New function.
1133         (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument.  Clear
1134         the NE flag of the given target register.
1135         (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1136         (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1137         (frvbf_model_fr500_u_float_dual_sqrt): New function.
1138         (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1139         (frvbf_model_fr500_u_float_dual_convert): New function.
1140         * frv-sim.h (frvbf_media_cop): New function.
1141         (GET_FQ): Use H_SPR_FQST0.
1142         (SET_FQ): Use H_SPR_FQST0.
1143         (SET_FQ_OPC): Use J_SPR_FQOP0.
1144         (GET_MSR_EMCI): New macro.
1145         (frv_queue_non_implemented_instruction_interrupt): New function.
1146         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1147
1148 2000-03-08  Dave Brolley  <brolley@redhat.com>
1149
1150         * traps.c (frv_rett): Align new_pc.
1151         * memory.c (frvbf_read_mem_HI): Align address.
1152         (frvbf_read_mem_UHI): Align address.
1153         (frvbf_read_mem_SI): Align address.
1154         (frvbf_read_mem_DI): Align address.
1155         (frvbf_read_mem_DF): Align address.
1156         (frvbf_read_imem_USI): Align address.
1157         (frvbf_mem_set_HI): Align address.
1158         (frvbf_mem_set_SI): Align address.
1159         (frvbf_mem_set_DI): Align address.
1160         (frvbf_mem_set_DF): Align address.
1161         (frvbf_mem_set_XI): Align address.
1162         * registers.c (frv_spr): Initialize FSR0.NS to 1.
1163         (fr500_spr): Initialize FSR0.NS to 1.
1164         * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1165         whether the exception is masked.
1166         * frv.c (frvbf_load_quad_GR): Align address.
1167         (frvbf_store_quad_GR): Align address.
1168         (frvbf_load_quad_FRint): Align address.
1169         (frvbf_store_quad_FRint): Align address.
1170         (frvbf_load_quad_CPR): Align address.
1171         (frvbf_store_quad_CPR): Align address.
1172         * frv-sim.h (GET_ISR_EMAM): New macro.
1173
1174 2000-03-08  Dave Brolley  <brolley@redhat.com>
1175
1176         * traps.c (frvbf_division_exception): Check for masked overflow and
1177         set NE flags, if necessary.
1178         (frvbf_check_recovering_store): Queue writes to the hardware.
1179         (check_registers_available): Removed.
1180         (which_registers_available): Call frv_{fr,gr}_registers_available.
1181         (frvbf_clear_ne_flags): Call check_register_access.
1182         (frvbf_commit): Call check_register_access.
1183         * registers.h (frv_fr_registers_available): New function.
1184         (frv_gr_registers_available): New function.
1185         (frv_check_register_access): New function.
1186         (frv_check_gr_access): New function.
1187         (frv_check_fr_access): New function.
1188         * registers.c (frv_spr): Correct initial value of ISR.
1189         (fr500_spr): Correct initial value of ISR.
1190         (frv_fr_registers_available): New function.
1191         (frv_gr_registers_available): New function.
1192         (frv_check_register_access): New function.
1193         (frv_check_gr_access): New function.
1194         (frv_check_fr_access): New function.
1195         * interrupts.c (frv_queue_division_exception_interrupt): New function.
1196         (set_isr_exception_fields): New function.
1197         (set_exception_status_registers): Set ISR fields for division exception.
1198         (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1199         * frv.c (frvbf_h_gr_get_handler): New function.
1200         (frvbf_h_gr_set_handler): New function.
1201         (frvbf_h_fr_get_handler): New function.
1202         (frvbf_h_fr_set_handler): New function.
1203         (frvbf_h_spr_get_handler): Remove special handling for ISR.
1204         (frvbf_h_spr_set_handler): Remove special handling for ISR.
1205         (spr_isr_get_handler): Removed.
1206         (spr_isr_set_handler): Removed.
1207         (frvbf_signed_integer_divide): New funciton.
1208         (frvbf_unsigned_integer_divide): New funciton.
1209         * frv-sim.h (frvbf_h_gr_get_handler): New function.
1210         (frvbf_h_gr_set_handler): New function.
1211         (frvbf_h_fr_get_handler): New function.
1212         (frvbf_h_fr_set_handler): New function.
1213         (frvbf_signed_integer_divide): New funciton.
1214         (frvbf_unsigned_integer_divide): New funciton.
1215         (frv_dtt): New enumeration.
1216         (struct frv_interrupt_queue_element): Add dtt member.
1217         (GET_ISR): New macro.
1218         (SET_ISR): New macro.
1219         (GET_ISR_EDEM): New macro.
1220         (SET_ISR_DTT): New macro.
1221         (SET_ISR_AEXC): New macro.
1222         (frvbf_division_exception): Add 2 'int' arguments.
1223         (frvbf_check_non_excepting_divide): Removed.
1224         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1225
1226 2000-02-29  Dave Brolley  <brolley@redhat.com>
1227
1228         * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1229         (frv_rett): Use hardware access macros. Write PSR as a whole.
1230         (next_available_nesr): Check that NECR is valid.
1231         (next_valid_nesr): Check that NECR is valid.
1232         (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1233         call hardware access functions. Use cover macros.
1234         (check_registers_available): New function.
1235         (clear_nesr_near): Check register availability.
1236         (clear_ne_flags): Check register availability.
1237         (frvbf_clear_ne_flags): Check register availability.
1238         (frvbf_commit): Check register availability.
1239         (which_registers_available): New function.
1240         * sim-main.h (registers.h): #include it.
1241         (register_control): New cpu field.
1242         (CPU_REGISTER_CONTROL): New macro.
1243         * reset.c (frv_initialize): Set HSR0 fields for cache here.
1244         (frv_power_on_reset): Initialize SPR registers and RSTR.
1245         (frv_hardware_reset): Initialize SPR registers and RSTR.
1246         (frv_software_reset): Reset SPR registers and RSTR.
1247         * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1248         Call frv_cache_init.
1249         * mloop.in (main loop): Check for insn access interrupts before
1250         executing the insn.
1251         * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1252         (frv_detect_insn_access_interrupts): Don't call hardware access
1253         functions directly. Use cover macros.
1254         (check_reset): Don't reset RSTR here.
1255         (next_available_esr): ESFR -> ESFR_FLAG.
1256         (next_available_edr): ESFR -> ESFR_FLAG.
1257         (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1258         ESFR -> ESFR_FLAG.
1259         (frv_break_interrupt): Don't call hardware access functions directly.
1260         Use cover macros.
1261         (frv_program_or_software_interrupt): Ditto.
1262         (frv_external_interrupt): Ditto.
1263         * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1264         (frvbf_store_register): Don't call 'set' functions directly.
1265         (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1266         (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1267         (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1268         (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1269         (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1270         (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1271         (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1272         (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1273         (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1274         (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1275         (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1276         Support shadow registers.
1277         (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1278         Support shadow registers.
1279         (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1280         (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1281         (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1282         (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1283         (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1284         (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1285         (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1286         (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1287         (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1288         (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1289         (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1290         (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1291         (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1292         (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1293         (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1294         (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1295         (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1296         version 1.3a.
1297         (spr_ccr_get_handler): Don't reference the hardware directly.
1298         (spr_ccr_set_handler): Don't reference the hardware directly.
1299         (spr_cccr_get_handler): Don't reference the hardware directly.
1300         (spr_cccr_set_handler): Don't reference the hardware directly.
1301         (spr_sr_get_handler): New function.
1302         (spr_sr_set_handler): New function.
1303         (frvbf_switch_supervisor_user_context): Temporarily switch to
1304         supervisor mode.
1305         (frvbf_store_quad_GR): Don't call handler directly.
1306         (frvbf_store_quad_FRint): Don't call handler directly.
1307         (frvbf_store_quad_CPR): Don't call handler directly.
1308         (frvbf_clear_all_accumulators): Removed.
1309         (frvbf_clear_accumulators): New function.
1310         (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1311         Account for in_ACCGi and out_ACCGk.
1312         * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1313         (RSTR_SOFTWARE_RESET): New macro.
1314         (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1315         (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1316         (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1317         (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1318         (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1319         (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1320         (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1321         (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1322         (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1323         (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1324         (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1325         (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1326         (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1327         (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1328         (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1329         (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1330         (frvbf_clear_all_accumulators): Removed.
1331         (frvbf_clear_accumulators): New function.
1332         (GET_HSR0): Use GET_H_SPR.
1333         (SET_HSR0): Use SET_H_SPR.
1334         (CLEAR_HSR0_ICE): New macro.
1335         (CLEAR_HSR0_DCE): New macro.
1336         (GET_IHSR8): Use GET_H_SPR.
1337         (GET_PSR): New macro.
1338         (SET_PSR_ET): New macro.
1339         (GET_PSR_PS): New macro.
1340         (SET_PSR_S): New macro.
1341         (GET_ESFR): Changed to reference entire register.
1342         (SET_ESFR): Changed to reference entire register.
1343         (GET_ESFR_FLAG): New macro.
1344         (SET_ESFR_FLAG): New macro.
1345         (NECR_ELOS): Removed.
1346         (NECR_NEN): Removed.
1347         (NECR_VALID): Removed.
1348         (GET_NECR): New macro.
1349         (GET_NECR_ELOS): New macro.
1350         (GET_NECR_NEN): New macro.
1351         (GET_NECR_VALID): New macro.
1352         (NESR_RANGE): Removed.
1353         (GET_NESR): Use GET_H_SPR.
1354         (GET_NE_FLAGS): Use GET_H_SPR.
1355         * cache.h (CACHE_INITIALIZED): New macro.
1356         * Makefile.in (SIM_OBJS): Add registers.o.
1357         (SIM_EXTRA_DEPS): Add registers.h.
1358         (registers.o): New target.
1359         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1360
1361 2000-02-17  Dave Brolley  <brolley@redhat.com>
1362
1363         * interrupts.c (frv_interrupt_table): Update priority order and handler
1364         offsets to conform to the architecture version 1.3a.
1365         * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1366         to the architecture version 1.3a.
1367
1368 2000-02-17  Dave Brolley  <brolley@redhat.com>
1369
1370         * interrupts.c (frv_interrupt_table): Update priority order and handler
1371         offsets to conform to the latest specifications.
1372         (frv_queue_interrupt): Correct comment. Identical interrupts can be
1373         queued. New variable 'iclass' used to test for external interrupts.
1374         * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1375         to the latest specifications.
1376
1377 2000-01-20  Dave Brolley  <brolley@redhat.com>
1378
1379         * sim-if.c (sim_open): Move frv-specific initialization to
1380         frv_initialize in reset.c.
1381         * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1382         status bits for hardware vs software reset.
1383         * reset.c: New file.
1384         * frv-sim.h (frv_initialize): New function.
1385         (frv_power_on_reset): New function.
1386         (frv_hardware_reset): New function.
1387         (frv_software_reset): New function.
1388         (RSTR_ADDRESS): New macro.
1389         (RSTR_INITIAL_VALUE): New macro.
1390         (GET_RSTR_HR): New macro.
1391         (GET_RSTR_SR): New macro.
1392         (SET_RSTR_H): New macro.
1393         (SET_RSTR_S): New macro.
1394         (CLEAR_RSTR_P): New macro.
1395         (CLEAR_RSTR_H): New macro.
1396         (CLEAR_RSTR_S): New macro.
1397         (CLEAR_RSTR_HR): New macro.
1398         (CLEAR_RSTR_SR): New macro.
1399
1400 2000-01-03  Dave Brolley  <brolley@cygnus.com>
1401
1402         * mloop.in (execute): Only call modeling function if the pointer is not
1403         NULL.
1404         * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1405         fr500.
1406
1407 2000-01-03  Dave Brolley  <brolley@cygnus.com>
1408
1409         * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1410         (frv_options): Add --memory-latency.
1411         (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1412         * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1413         * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1414         (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1415         (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1416         (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1417         (update_latencies): Only clear usage flags if the register has no
1418         target latency.
1419         (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1420         not |= (or assgnment).
1421         (frvbf_model_insn_after): Print post processing wait for all insns.
1422         Update prev_acc_p1 and prev_acc_p2.
1423         (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1424         (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1425         (frvbf_model_fr500_u_swap): Use cache memory_latency.
1426         (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1427         (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1428         (frvbf_model_fr500_u_media_quad_arith): New function.
1429         (frvbf_model_fr500_u_media_dual_mul): New function.
1430         (frvbf_model_fr500_u_media_quad_mul): New function.
1431         (frvbf_model_fr500_u_media_quad_complex): New function.
1432         (frvbf_model_fr500_u_media_dual_expand): New function.
1433         (frvbf_model_fr500_u_media_dual_unpack): New function.
1434         (frvbf_model_fr500_u_media_dual_btoh): New function.
1435         (frvbf_model_fr500_u_media_dual_htob): New function.
1436         (frvbf_model_fr500_u_media_dual_btohe): New function.
1437         (frv_ref_SI): New function.
1438         * cache.h (FRV_CACHE): Add memory_latency field.
1439         * cache.c (frv_cache_init): Initialize memory_latency.
1440         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1441
1442 1999-12-17  Dave Brolley  <brolley@cygnus.com>
1443
1444         * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1445         * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1446         (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1447         (OPTIONS_FRV_TIMER): New enumeration.
1448         (frv_options): Add --profile-cache, --profile-parallel, --timer.
1449         (frv_option_handler): Override common implementation of -p. Handle
1450         --profile-cache, --profile-parallel, --timer.
1451         * mloop.in (execute): Call profiling functions if the timer interrupt
1452         is enabled.
1453         (@cpu@_simulate_insn_prefetch): New function.
1454         (main loop): Call @cpu@_simulate_insn_prefetch.
1455         * interrupts.c (frv_queue_interrupt): Don't queue two external
1456         interrupts of the same priority.
1457         (frv_queue_external_interrupt): New function.
1458         (frv_external_interrupt): New function.
1459         (handle_interrupt): Handle external interrupts.
1460         (check_reset): New function.
1461         (frv_process_interrupts): Call check_reset.
1462         * frv.c: Include "bfd.h"
1463         (frvbf_h_psr_get_handler): Set the PIL field.
1464         (frvbf_h_psr_set_handler): Get the PIL field.
1465         (DUAL_REG): New macro.
1466         (DUAL_DOUBLE): New macro.
1467         (SET_USE_IS_FPOP): New macro.
1468         (SET_USE_NOT_FPOP): New macro.
1469         (USE_IS_FPOP): New macro.
1470         (SET_USE_IS_MEDIA): New macro.
1471         (SET_USE_NOT_MEDIA): New macro.
1472         (USE_IS_MEDIA_P1): New macro.
1473         (SET_USE_IS_MEDIA_P1): New macro.
1474         (SET_USE_NOT_MEDIA_P1): New macro.
1475         (SET_USE_IS_MEDIA_P2): New macro.
1476         (SET_USE_NOT_MEDIA_P2): New macro.
1477         (USE_IS_MEDIA_P2): New macro.
1478         (SET_ACC_USE_IS_MEDIA_P1): New macro.
1479         (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1480         (ACC_USE_IS_MEDIA_P1): New macro.
1481         (SET_ACC_USE_IS_MEDIA_P2): New macro.
1482         (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1483         (ACC_USE_IS_MEDIA_P2): New macro.
1484         (RESOURCE_IDIV): New macro.
1485         (RESOURCE_FDIV): New macro.
1486         (RESOURCE_SQRT): New macro.
1487         (fr_busy_adjust): New array.
1488         (acc_busy_adjust): New array.
1489         (apply_latency_adjustments): New function.
1490         (update_latencies): New function.
1491         (handle_wait_cycles): New function.
1492         (handle_resource_wait): New function.
1493         (update_target_latencies): New function.
1494         (frvbf_model_insn_before): Add resource latency to cycle counts.
1495         (frvbf_model_insn_after): Add resource latency to cycle counts.
1496         (update_GR_latency): New function.
1497         (update_GRdouble_latency): New function.
1498         (update_FR_latency): New function.
1499         (update_FRdouble_latency): New function.
1500         (decrease_ACC_busy): New function.
1501         (decrease_FR_busy): New function.
1502         (increase_FR_busy): New function.
1503         (update_ACC_latency): New function.
1504         (update_CCR_latency): New function.
1505         (update_idiv_resource_latency): New function.
1506         (update_fdiv_resource_latency): New function.
1507         (update_fsqrt_resource_latency): New function.
1508         (vliw_wait_for_GR): New function.
1509         (vliw_wait_for_GRdouble): New function.
1510         (vliw_wait_for_FR): New function.
1511         (vliw_wait_for_FRdouble): New function.
1512         (vliw_wait_for_CCR): New function.
1513         (vliw_wait_for_ACC): New function.
1514         (vliw_wait_for_idiv_resource): New function.
1515         (vliw_wait_for_fdiv_resource): New function.
1516         (vliw_wait_for_fsqrt_resource): New function.
1517         (enforce_full_fr_latency): New function.
1518         (frvbf_model_fr500_u_exec): New function.
1519         (frvbf_model_fr500_u_integer): New function.
1520         (frvbf_model_fr500_u_imul): New function.
1521         (frvbf_model_fr500_u_idiv): New function.
1522         (frvbf_model_fr500_u_branch): New function.
1523         (frvbf_model_fr500_u_set_hilo): New function.
1524         (frvbf_model_fr500_u_gr_load_store): New function.
1525         (frvbf_model_fr500_u_fr_load_store): New function.
1526         (frvbf_model_fr500_u_swap): New function.
1527         (frvbf_model_fr500_u_fr2fr): New function.
1528         (frvbf_model_fr500_u_fr2gr): New function.
1529         (frvbf_model_fr500_u_spr2gr): New function.
1530         (frvbf_model_fr500_u_gr2fr): New function.
1531         (frvbf_model_fr500_u_gr2spr): New function.
1532         (post_wait_for_FR): New function.
1533         (post_wait_for_FRdouble): New function.
1534         (post_wait_for_ACC): New function.
1535         (post_wait_for_CCR): New function.
1536         (post_wait_for_fdiv): New function.
1537         (post_wait_for_fsqrt): New function.
1538         (adjust_float_register_busy): New function.
1539         (adjust_double_register_busy): New function.
1540         (restore_float_register_busy): New function.
1541         (restore_double_register_busy): New function.
1542         (frvbf_model_fr500_u_float_arith): New function.
1543         (frvbf_model_fr500_u_float_dual_arith): New function.
1544         (frvbf_model_fr500_u_float_div): New function.
1545         (frvbf_model_fr500_u_float_sqrt): New function.
1546         (frvbf_model_fr500_u_float_compare): New function.
1547         (frvbf_model_fr500_u_float_dual_compare): New function.
1548         (frvbf_model_fr500_u_float_convert): New function.
1549         (frvbf_model_fr500_u_media): New function.
1550         (frvbf_model_fr500_u_barrier): New function.
1551         (frvbf_model_fr500_u_membar): New function.
1552         * frv-sim.h (LEUINT): New macro.
1553         (GET_HSR0_SA): New macro.
1554         (struct frv_interrupt_timer): New struct.
1555         (struct frv_interrupt_state): Add timer fiield.
1556         (frv_queue_external_interrupt): New function.
1557         (frv_external_interrupt): New function.
1558         (frv_profile_info): New function.
1559         (PROFILE_CACHE_IDX): New enumerator.
1560         (PROFILE_PARALLEL_IDX): New enumerator.
1561         (PROFILE_cache): New macro.
1562         (PROFILE_parallel): New macro.
1563         (WITH_PROFILE_CACHE_P): New macro.
1564         (WITH_PROFILE_PARALLEL_P): New macro.
1565         * cache.h (FRV_CACHE): Add last_was_hit field.
1566         * cache.c (get_tag): Use new last_was_hit field.
1567         (frv_cache_read): Ditto.
1568         (frv_cache_write): Ditto.
1569         * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1570
1571 1999-12-13  Dave Brolley  <brolley@cygnus.com>
1572
1573         * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1574         (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1575         sim_queue_fn_di_write.
1576         (frvbf_media_cut_ss): New function.
1577         * frv-sim.h (frvbf_media_cut_ss): New function.
1578         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1579
1580 1999-12-13  Dave Brolley  <brolley@cygnus.com>
1581
1582         * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1583         no constraints.
1584         * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1585         FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1586         (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1587         FRV_IS_MEDIA_INSN.
1588         * frv.c (frvbf_model_simple_u_exec): New function.
1589         * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1590         (FRV_IS_MEDIA_INSN): Range includes M-8.
1591
1592         * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1593         * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1594         Regenerate.
1595
1596 1999-12-10  Dave Brolley  <brolley@cygnus.com>
1597
1598         * traps.c (check_registers_available): New function.
1599         (clear_ne_flags): Generate register_exception if register(s) not
1600         available.
1601         (frvbf_commit): Generate register_exception if register(s) not
1602         available.
1603         * interrupts.c (frv_program_or_software_interrupt): No need to copy
1604         GR4-GR7 to SR0-SR4.
1605         * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1606         PSR.ESR.
1607         (frvbf_h_psr_s_set_handler): New function.
1608         (frvbf_h_psr_esr_set_handler): New function.
1609         (frvbf_switch_supervisor_user_context): New function.
1610         (frvbf_scan_result): Reflect latest ISA.
1611         * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1612         (frvbf_h_psr_esr_set_handler): New function.
1613         (frvbf_switch_supervisor_user_context): New function.
1614         (GET_HSR0_FRN): New Macro.
1615         (GET_HSR0_GRN): New Macro.
1616         (GET_HSR0_FRHE): New Macro.
1617         (GET_HSR0_FRLE): New Macro.
1618         (GET_HSR0_GRHE): New Macro.
1619         (GET_HSR0_GRLE): New Macro.
1620         (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1621         (GET_ESFR): New bit ordering.
1622         (SET_ESFR): New bit ordering.
1623         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1624
1625 1999-12-10  Michael Meissner  <meissner@cygnus.com>
1626
1627         * Makefile.in (sim-if.o): Add eng.h dependency.
1628
1629 1999-12-09  Dave Brolley  <brolley@cygnus.com>
1630
1631         * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1632         Pass sc->last_insn_p to @cpu@_model_insn_before.
1633         (main loop): Compute sc->first_insn_p.
1634         * frv.c (frvbf_model_insn_before): Set state variables.
1635         (frvbf_model_insn_after): Count basic cycles. Set state variables.
1636         (frvbf_model_fr500_u_integer): Remove.
1637         * arch.h,cpu.h,decode.h,model.c: Regenerate.
1638
1639 1999-12-07  Dave Brolley  <brolley@cygnus.com>
1640
1641         * sim-main.h (cache.h): Include it.
1642         (insn_cache): New member.
1643         (data_cache): New member.
1644         (CPU_INSN_CACHE): New macro.
1645         (CPU_DATA_CACHE): New macro.
1646         * sim-if.c (WANT_CPU): New macro.
1647         (WANT_CPU_FRVBF): New macro.
1648         (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1649         data and insn caches for each cpu.
1650         (sim_close): Call frv_cache_term for the insn and data caches of each
1651         cpu.
1652         * mloop.in (extract): Read insn from the cache.
1653         (main loop): Access the insn cache in order to maintain stats.
1654         * memory.c (data_non_cache_access): New function.
1655         (insn_non_cache_access): New function.
1656         (frvbf_read_mem_QI): Attempt to read from the cache first.
1657         (frvbf_read_mem_UQI): Ditto.
1658         (frvbf_read_mem_HI): Ditto.
1659         (frvbf_read_mem_UHI): Ditto.
1660         (frvbf_read_mem_SI): Ditto.
1661         (frvbf_read_mem_DI): Ditto.
1662         (frvbf_read_mem_DF): Ditto.
1663         (frvbf_read_imem_USI): New function.
1664         (frvbf_write_mem_QI): Write through the cache is it is enabled.
1665         (frvbf_write_mem_UQI): Ditto.
1666         (frvbf_write_mem_HI): Ditto.
1667         (frvbf_write_mem_UHI): Ditto.
1668         (frvbf_write_mem_SI): Ditto.
1669         (frvbf_write_mem_DI): Ditto.
1670         (frvbf_write_mem_DF): Ditto.
1671         (frvbf_mem_set_QI): New function.
1672         (frvbf_mem_set_HI): New function.
1673         (frvbf_mem_set_SI): New function.
1674         (frvbf_mem_set_DI): New function.
1675         (frvbf_mem_set_DF): New function.
1676         (frvbf_mem_set_XI): New function.
1677         * interrupts.c (frv_save_data_written_for_interrupts): Handle
1678         CGEN_FN_MEM_QI_WRITE,
1679         CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1680         CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1681         * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1682         Call sim_queue_fn_mem_xi_write.
1683         (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1684         Call sim_queue_fn_mem_xi_write.
1685         (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1686         Call sim_queue_fn_mem_xi_write.
1687         (frvbf_insn_cache_preload): New function.
1688         (frvbf_data_cache_preload): New function.
1689         (frvbf_insn_cache_unlock): New function.
1690         (frvbf_data_cache_unlock): New function.
1691         (frvbf_insn_cache_invalidate): New function.
1692         (frvbf_data_cache_invalidate): New function.
1693         (frvbf_data_cache_flush): New function.
1694         * frv-sim.h (sim-options.h): Include it.
1695         (GET_HSR0): New macro.
1696         (SET_HSR0): New macro.
1697         (GET_HSR0_ICE): New macro.
1698         (SET_HSR0_ICE): New macro.
1699         (GET_HSR0_DCE): New macro.
1700         (SET_HSR0_DCE): New macro.
1701         (GET_HSR0_CBM): New macro.
1702         (GET_HSR0_RME): New macro.
1703         (GET_IHSR8): New macro.
1704         (GET_IHSR8_NBC): New macro.
1705         (frvbf_insn_cache_preload): New function.
1706         (frvbf_data_cache_preload): New function.
1707         (frvbf_insn_cache_unlock): New function.
1708         (frvbf_data_cache_unlock): New function.
1709         (frvbf_insn_cache_invalidate): New function.
1710         (frvbf_data_cache_invalidate): New function.
1711         (frvbf_data_cache_flush): New function.
1712         (insn_non_cache_access): New function.
1713         (frvbf_read_imem_USI): New function.
1714         (frvbf_mem_set_QI): New function.
1715         (frvbf_mem_set_HI): New function.
1716         (frvbf_mem_set_SI): New function.
1717         (frvbf_mem_set_DI): New function.
1718         (frvbf_mem_set_DF): New function.
1719         (frvbf_mem_set_XI): New function.
1720         (frv_options): FRV specific command line options.
1721         * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1722         (SIM_EXTRA_DEPS): Add $(sim-options_h).
1723         (cache.o): New target.
1724         (options.o): New target.
1725         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1726         * cache.h: New file.
1727         * cache.c: New file.
1728         * options.c: New file.
1729
1730 1999-11-29  Dave Brolley  <brolley@cygnus.com>
1731
1732         * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1733         (frvbf_check_non_excepting_divide): Ditto.
1734         (clear_ne_flags): Ditto
1735         (frvbf_commit): Ditto.
1736         * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1737         * mloop.in (_parallel_write_init): Clear NE flags here.
1738         * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1739         for non excepting insns. Also check for masked interrupts here.
1740         (frv_process_interrupts): Write NE flags here.
1741         (set_fp_exception_registers): No longer check for masked interrupts
1742         here.
1743         (check_for_compound_interrupt): No need to worry about masked
1744         interrupts.
1745         * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1746         (GET_NE_FLAGS): New macro.
1747         (SET_NE_FLAGS): New macro.
1748         (GET_NE_FLAG): Operate on accumulated argument.
1749         (SET_NE_FLAG): Operate on accumulated argument.
1750         (CLEAR_NE_FLAG): Operate on accumulated argument.
1751         * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1752         (frv.o): Correct dependencies.
1753         (traps.o): Ditto.
1754         (pipeline.o): Ditto.
1755         (interrupts.o): Ditto.
1756         (memory.o): Ditto.
1757         * sem.c: Regenerate.
1758
1759 1999-11-26  Dave Brolley  <brolley@cygnus.com>
1760
1761         * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1762         there is an exception indicated in the mask.
1763         * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1764         state when adding a floating point insn to the pipeline.
1765         * interrupts.c (set_fp_exception_registers): Set NE flag for
1766         non-excepting insns.
1767         * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1768         (frvbf_h_fr_double_set_handler): Mode of data is DF.
1769         (frvbf_h_fr_int_get_handler): New function.
1770         (frvbf_h_fr_int_set_handler): New function.
1771         (frvbf_set_ne_index): New function.
1772         (NE_NOFLAG): New macro.
1773         (frv_interrupt_state): Add ne_index member.
1774         * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1775         (frvbf_h_fr_double_set_handler): Mode of data is DF.
1776         (frvbf_h_fr_int_get_handler): New function.
1777         (frvbf_h_fr_int_set_handler): New function.
1778         (frvbf_set_ne_index): New function.
1779         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1780
1781 1999-11-24  Dave Brolley  <brolley@cygnus.com>
1782
1783         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1784
1785 1999-11-23  Dave Brolley  <brolley@cygnus.com>
1786
1787         * frv-sim.h (frvbf_media_cut): New function.
1788         * frv.c (frvbf_media_cut): New function.
1789         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1790
1791 1999-11-22  Dave Brolley  <brolley@cygnus.com>
1792
1793         * frv-sim.h (frvbf_clear_all_accumulators): New function.
1794         * frv.c.h (frvbf_clear_all_accumulators): New function.
1795         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1796
1797 1999-11-18  Dave Brolley  <brolley@cygnus.com>
1798
1799         * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1800         if this is the first insn of its class in the pipeline.
1801         * frv-sim.h (frvbf_media_register_not_aligned): New function.
1802         * traps.c (frvbf_media_register_not_aligned): New function.
1803         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1804
1805 1999-11-17  Dave Brolley  <brolley@cygnus.com>
1806
1807         * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1808         * frv-sim.h (OR_MSR_SIE): New macro.
1809         (CLEAR_MSR_SIE): New macro.
1810         (frvbf_media_overflow): Now takes sie argument.
1811         (frv_set_mp_exception_registers): Now takes sie argument.
1812         * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1813         Set MSRx.SIE field.
1814         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1815
1816 1999-11-15  Dave Brolley  <brolley@cygnus.com>
1817
1818         * traps.c (frv_mtrap): New function.
1819         (frvbf_media_cr_not_aligned): New function.
1820         (frvbf_media_acc_not_aligned): New function.
1821         (frvbf_media_overflow): New function.
1822         * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1823         * interrupts.c: Call frv_set_mp_exception_registers.
1824         (frv_set_mp_exception_registers): New function.
1825         * frv-sim.h (frv_msr_mtt): New enumeration.
1826         (GET_MSR): New macro.
1827         (SET_MSR): New macro.
1828         (GET_MSR_AOVF): New macro.
1829         (SET_MSR_AOVF): New macro.
1830         (GET_MSR_OVF): New macro.
1831         (SET_MSR_OVF): New macro.
1832         (CLEAR_MSR_OVF): New macro.
1833         (GET_MSR_MTT): New macro.
1834         (SET_MSR_MTT): New macro.
1835         (frv_set_mp_exception_registers): New function.
1836         (frv_mtrap): New function.
1837         (FRV_IS_MEDIA_INSN): New macro.
1838         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1839
1840 1999-11-10  Dave Brolley  <brolley@cygnus.com>
1841
1842         * sim-main.h (_sim_cpu): Add debug_state member.
1843         * mloop.in (_parallel_write_queued): Clear data_written.length.
1844         * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1845         handler is 0xff.
1846         (frv_queue_break_interrupt): New function.
1847         (frv_break_interrupt): New function.
1848         (handle_interrupt): Handle break_interrupt.
1849         (frv_non_operating_interrupt): Now takes interrupt_kind.
1850         * frv-sim.h (frv_queue_break_interrupt): New function.
1851         (frv_break_interrupt): New function.
1852         (frv_break): New function.
1853         (frv_non_operating_interrupt): Now takes interrupt_kind.
1854         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1855
1856 1999-11-09  Dave Brolley  <brolley@cygnus.com>
1857
1858         * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1859         a floating point insn.
1860         * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1861         * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1862         frv_queue_fp_exception_interrupt.
1863         (frv_queue_fp_exception_interrupt): New function.
1864         (next_available_fq): New function.
1865         (set_fp_exception_registers): New function.
1866         (set_exception_status_registers): Now returns 1 if interrupt not masked.
1867         (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1868         (frv_program_interrupt): Don't process interrupt if it is masked.
1869         * frv.c (frvbf_h_fr_double_get_handler): Call
1870         frv_queue_fp_exception_interrupt.
1871         (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1872         (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1873         (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1874         * frv-sim.h: Get/set hardware directly in GET/SET macros.
1875         (frv_fp_exception_info): New struct type.
1876         (frv_interrupt_queue_element): Add fp_info member.
1877         (frv_fsr_traps): New enumeration.
1878         (frv_fsr_ftt): New enumeration.
1879         (frv_sie): New enumeration.
1880         (frv_miv): New enumeration.
1881         (GET_FSR): New macro.
1882         (SET_FSR): New macro.
1883         (GET_FSR_TEM): New macro.
1884         (SET_FSR_QNE): New macro.
1885         (SET_FSR_FTT): New macro.
1886         (GET_FSR_AEXC): New macro.
1887         (SET_FSR_AEXC): New macro.
1888         (GET_FQ): New macro.
1889         (SET_FQ): New macro.
1890         (SET_FQ_OPC): New macro.
1891         (SET_FQ_MIV): New macro.
1892         (SET_FQ_SIE): New macro.
1893         (SET_FQ_FTT): New macro.
1894         (SET_FQ_CEXC): New macro.
1895         (GET_FQ_VALID): New macro.
1896         (SET_FQ_VALID): New macro.
1897         (frv_queue_fp_exception_interrupt): New function.
1898         (FRV_IS_FLOAT_INSN): New macro.
1899
1900 1999-11-04  Dave Brolley  <brolley@cygnus.com>
1901
1902         * traps.c (frvbf_fpu_error): No floating point errors need to be
1903         detected.
1904         * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1905         of the ESR registers too.
1906         (set_exception_status_registers): Don't set EAR for any precise
1907         interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1908         ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1909         (non_operating_interrupt): No need for return code.
1910         (frv_program_or_software_interrupt): Process interrupt regardless
1911         of operating mode. If PSR.ET was not set at the start of processing,
1912         then stop the simulation with a message.
1913         (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1914         CGEN_MEM_XI_WRITE.
1915         * frv.c (frvbf_h_gr_quad_set_handler): New function.
1916         (frvbf_h_fr_quad_set_handler): New function.
1917         (frvbf_h_cpr_quad_set_handler): New function.
1918         (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1919         sim_queue_fn_xi_write.
1920         (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1921         sim_queue_fn_xi_write.
1922         (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1923         sim_queue_fn_xi_write.
1924         (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1925         sim_queue_mem_xi_write.
1926         (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1927         sim_queue_mem_xi_write.
1928         (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1929         sim_queue_mem_xi_write.
1930         * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1931         (frvbf_h_fr_quad_set_handler): New function.
1932         (frvbf_h_cpr_quad_set_handler): New function.
1933         (SET_ESR_VALID): New macro.
1934         (CLEAR_ESR_VALID): New macro.
1935         (CLEAR_ESR_EAV): New macro.
1936         (CLEAR_ESR_EDV): New macro.
1937         * sem.c: Regenerate.
1938
1939 1999-11-02  Dave Brolley  <brolley@cygnus.com>
1940
1941         * traps.c (frv_core_signal): Call
1942         frv_queue_mem_address_not_aligned_interrupt.
1943         * mloop.in (_parallel_write_queued): Call
1944         frv_save_data_written_for_interrupts.
1945         * frv.c (frvbf_h_gr_double_get_handler): Call
1946         frv_queue_register_exception_interrupt.
1947         (frvbf_h_cpr_double_get_handler): Call
1948         frv_queue_register_exception_interrupt.
1949         (frvbf_h_cpr_double_set_handler): Call
1950         frv_queue_register_exception_interrupt.
1951         (frvbf_load_multiple_GR): Call
1952         frv_queue_register_exception_interrupt.
1953         (frvbf_store_multiple_GR): Call
1954         frv_queue_register_exception_interrupt.
1955         (frvbf_load_multiple_CPR): Call
1956         frv_queue_register_exception_interrupt.
1957         (frvbf_store_multiple_CPR): Call
1958         frv_queue_register_exception_interrupt.
1959         (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1960         * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1961         queue element.
1962         (frv_queue_program_interrupt): Now returns interrupt queue element.
1963         (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1964         element.
1965         (frv_queue_interrupt): Now returns interrupt queue element.
1966         (frv_queue_register_exception_interrupt): New function.
1967         (frv_queue_mem_address_not_aligned_interrupt): New function.
1968         (frv_save_data_written_for_interrupts): New function.
1969         (next_available_edr): EDR registers available in blocks of 4.
1970         (clear_exception_status_registers): New function.
1971         (set_exception_status_registers): Pass esr to SET_ESR* macros.
1972
1973         * frv-sim.h (struct frv_data_written): New struct type.
1974         (frv_interrupt_queue_element): Add data_written member.
1975         (frv_queue_software_interrupt): Now returns interrupt queue element.
1976         (frv_queue_program_interrupt): Now returns interrupt queue element.
1977         (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1978         element.
1979         (frv_queue_interrupt): Now returns interrupt queue element.
1980         (frv_queue_register_exception_interrupt): New function.
1981         (frv_queue_mem_address_not_aligned_interrupt): New function.
1982         (frv_save_data_written_for_interrupts): New function.
1983
1984 1999-10-27  Dave Brolley  <brolley@cygnus.com>
1985
1986         * interrupts.c (ITABLE_ENTRY): New macro.
1987         (frv_interrupt_table): Add exception codes.
1988         (next_available_esr): New function.
1989         (next_available_edr): New function.
1990         (set_edr_register): New function.
1991         (set_exception_status_registers): New function.
1992         (check_for_compound_interrupt): Record information on all interrupts
1993         found.
1994         (frv_program_interrupt): Always call check_for_compound_interrupt.
1995         * frv.c (frvbf_h_pc_set_handler): Removed.
1996         (frvbf_h_spr_get_handler): Handle LR register.
1997         (frvbf_h_spr_set_handler): Handle LR register.
1998         (frvbf_h_lr_get_handler): New function.
1999         (frvbf_h_lr_set_handler): New function.
2000         * frv-sim.h (frvbf_h_lr_get_handler): New function.
2001         (frvbf_h_lr_set_handler): New function.
2002         (frv_ec): New enumeration.
2003         (frv_interrupt): Add frv_ec field.
2004         (frv_rec): New enumeration.
2005         (frv_daec): New enumeration.
2006         (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
2007         (SET_ESR_EC): New macro.
2008         (SET_ESR_REC): New macro.
2009         (SET_ESR_IAEC): New macro.
2010         (SET_ESR_DAEC): New macro.
2011         (SET_ESR_EAV): New macro.
2012         (GET_ESR_EDV): New macro.
2013         (SET_ESR_EDV): New macro.
2014         (GET_ESR_EDN): New macro.
2015         (SET_ESR_EDN): New macro.
2016         (GET_ESR): New macro.
2017         (SET_ESR): New macro.
2018         (SET_EPCR): New macro.
2019         (SET_EAR): New macro.
2020         (SET_EDR): New macro.
2021         (GET_ESFR): New macro.
2022         (SET_ESFR): New macro.
2023         * cpu.c,cpu.h,sem.c: Rebuild.
2024
2025 1999-10-26  Dave Brolley  <brolley@cygnus.com>
2026
2027         * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
2028         if mach is frv.
2029         (clear_nesr_neear): Only execute if mach is frv.
2030
2031 1999-10-22  Dave Brolley  <brolley@cygnus.com>
2032
2033         * sim-main.h (sim_cpu): Add pipeline.
2034         (CPU_PIPELINE): New macro.
2035         * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2036         (main loop): Maintain pc in cpu.
2037         * frv-sim.h (frv_queue_software_interrupt): New interface.
2038         (frv_queue_program_interrupt): New interface.
2039         (frv_queue_illegal_instruction_interrupt: New interface.
2040         (frv_queue_interrupt): New interface.
2041         (frv_detect_insn_access_interrupts): New interface.
2042         (frv_process_interrupts): New interface.
2043         (frv_program_interrupt): New interface.
2044         (frv_software_interrupt): New interface.
2045         (frv_program_or_software_interrupt): New interface.
2046         (FRV_PIPELINE): Moved from pipline.c.
2047         (frv_pipeline_reset): New interface.
2048         (frv_pipeline_add_insn): New interface.
2049         * interrupts.c (frv_queue_software_interrupt): New interface.
2050         (frv_queue_program_interrupt): New interface.
2051         (frv_queue_illegal_instruction_interrupt: New interface.
2052         (frv_queue_interrupt): New interface.
2053         (frv_detect_insn_access_interrupts): New interface.
2054         (frv_process_interrupts): New interface.
2055         (frv_program_interrupt): New interface.
2056         (frv_software_interrupt): New interface.
2057         (frv_program_or_software_interrupt): New interface.
2058         * frv.c: Use new interfaces.
2059         * pipeline.c: Use new interfaces.
2060         * traps.c: Use new interfaces.
2061         * memory.c: Use new interfaces.
2062         (frv_address_forbidden): No longer static.
2063
2064 1999-10-19  Dave Brolley  <brolley@cygnus.com>
2065
2066         * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2067         NESR.EC.
2068         * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2069         * frv.c (frvbf_h_pc_set_handler): New function.
2070         * interrupts.c (frv_detect_data_interrupt): Removed.
2071         (address_forbidden): Removed.
2072         * frv-sim.h (frv_detect_data_interrupt): Removed.
2073         (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2074         (NESR_REGISTER_NOT_ALIGNED): New macro.
2075         (NESR_UQI_SIZE): New macro.
2076         (NESR_QI_SIZE): New macro.
2077         (NESR_UHI_SIZE): New macro.
2078         (NESR_HI_SIZE): New macro.
2079         (NESR_SI_SIZE): New macro.
2080         (NESR_DI_SIZE): New macro.
2081         (NESR_XI_SIZE): New macro.
2082         (GET_NESR_DAEC): New macro.
2083         (SET_NESR_DAEC): New macro.
2084         (GET_NESR_REC): New macro.
2085         (SET_NESR_REC): New macro.
2086         (GET_NESR_EC): New macro.
2087         (SET_NESR_EC): New macro.
2088         (frvbf_read_mem_QI): New function.
2089         (frvbf_read_mem_UQI): New function.
2090         (frvbf_read_mem_HI): New function.
2091         (frvbf_read_mem_UHI): New function.
2092         (frvbf_read_mem_SI): New function.
2093         (frvbf_read_mem_WI): New function.
2094         (frvbf_read_mem_DI): New function.
2095         (frvbf_read_mem_DF): New function.
2096         (frvbf_write_mem_QI): New function.
2097         (frvbf_write_mem_UQI): New function.
2098         (frvbf_write_mem_HI): New function.
2099         (frvbf_write_mem_UHI): New function.
2100         (frvbf_write_mem_SI): New function.
2101         (frvbf_write_mem_WI): New function.
2102         (frvbf_write_mem_DI): New function.
2103         (frvbf_write_mem_DF): New function.
2104         * Makefile.in (SIM_OBJS): Add memory.o.
2105         * cpu.c,cpu.h,sem.c: Rebuild.
2106
2107 1999-10-18  Dave Brolley  <brolley@cygnus.com>
2108
2109         * sim-if.c (sim_open): Use a real fpu error function.
2110         * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2111         * mloop.in (_parallel_write_queued): Clear queue after writing.
2112         * interrupts.c (check_for_compound_interrupt): New function.
2113         (non_operating_interrupt): New function.
2114         * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2115         (frvbf_h_gr_double_set_handler): New function.
2116         (frvbf_h_fr_double_get_handler): New function.
2117         (frvbf_h_fr_double_set_handler): New function.
2118         (frvbf_h_cpr_double_get_handler): New function.
2119         (frvbf_h_cpr_double_set_handler): New function.
2120         (frv_interrupt_queue_element): New struct type.
2121         (frv_queue_program_interrupt): Now takes pc.
2122         (frv_queue_illegal_instruction_interrupt): Now takes pc.
2123         (frv_queue_interrupt): Now takes pc.
2124         (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2125         (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2126         (frvbf_division_exception): New function.
2127         (frvbf_fpu_error): New function.
2128         (frvbf_load_multiple_GR): New function.
2129         (frvbf_load_multiple_FR): New function.
2130         (frvbf_load_multiple_CPR): New function.
2131         * frv.c (frvbf_h_gr_double_get_handler): New function.
2132         (frvbf_h_gr_double_set_handler): New function.
2133         (frvbf_h_fr_double_get_handler): New function.
2134         (frvbf_h_fr_double_set_handler): New function.
2135         (frvbf_h_cpr_double_get_handler): New function.
2136         (frvbf_h_cpr_double_set_handler): New function.
2137         (frv_interrupt_queue_element): New struct type.
2138         (frv_queue_program_interrupt): Now takes pc.
2139         (frv_queue_illegal_instruction_interrupt): Now takes pc.
2140         (frv_queue_interrupt): Now takes pc.
2141         (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2142         (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2143         (frvbf_fpu_error): New function.
2144         (frvbf_load_multiple_GR): New function.
2145         (frvbf_load_multiple_FR): New function.
2146         (frvbf_load_multiple_CPR): New function.
2147         * traps.c (frvbf_division_exception): New function.
2148         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2149
2150 1999-10-12  Dave Brolley  <brolley@cygnus.com>
2151
2152         * mloop.in (new_vpc): New variable.
2153         (main loop): Call frv_detect_insn_access_interrupts. Call
2154         frv_detect_data_interrupts.
2155         * interrupts.c (access_queued_to): New function.
2156         (frv_detect_data_interrupts): New function.
2157         (frv_detect_insn_access_interrupts): New function.
2158         (frv_program_or_software_interrupt): Set PSR.S.
2159         * frv-sim.h (frv_detect_data_interrupts): New function.
2160         (frv_detect_insn_interrupts): New function.
2161
2162 1999-10-07  Dave Brolley  <brolley@cygnus.com>
2163
2164         * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2165         (frvbf_h_gr_hi_set_handler): New function.
2166         (frvbf_h_gr_lo_get_handler): New function.
2167         (frvbf_h_gr_lo.set_handler): New function.
2168         * frv.c (frvbf_h_gr_hi_get_handler): New function.
2169         (frvbf_h_gr_hi_set_handler): New function.
2170         (frvbf_h_gr_lo_get_handler): New function.
2171         (frvbf_h_gr_lo.set_handler): New function.
2172         (frvbf_model_fr500_u_integer): New function.
2173         * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2174
2175 1999-10-04  Dave Brolley  <brolley@cygnus.com>
2176
2177         * traps.c: Use sim_engine_abort.
2178         * pipeline.c (frv_pipeline): Add field for insn major.
2179         (add_next_to_pipe): Return address of matching pipeline.
2180         (find_major_in_pipeline): New function.
2181         (check_insn_major_constraints: New function.
2182         (frv_pipeline_add_insn): Add checks for insn major constraints.
2183         * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2184         * frv.c (frvbf_h_spr_get_handler): No need to abort.
2185
2186 Thu Sep 30 18:10:25 1999  Dave Brolley  <brolley@cygnus.com>
2187
2188         * pipeline.c: New file.
2189         * mloop.in (main loop): Call frv_pipeline_reset.
2190         Call frv_pipeline_add_insn.
2191         * frv-sim.h (frv_pipeline_reset): New function.
2192         (frv_pipeline_add_insn): New function.
2193         * Makefile.in (SIM_OBJS): Add pipeline.o
2194
2195 1999-09-29  Doug Evans  <devans@casey.cygnus.com>
2196
2197         * sem.c: Rebuild.
2198         * traps.c (sim_engine_invalid_insn): New arg `vpc'.  Change type of
2199         result to SEM_PC.  Return vpc.
2200
2201 Wed Sep 29 16:01:52 1999  Dave Brolley  <brolley@cygnus.com>
2202
2203         * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2204         (frv_queue_interrupt): Don't detect identical interrupts here.
2205
2206 Wed Sep 29 14:49:52 1999  Dave Brolley  <brolley@cygnus.com>
2207
2208         * interrupts.c: New file.
2209         * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2210         (frv_software_interrupt): Moved to interrupts.c.
2211         (frv_itrap): New interface. Call frv_queue_software_interrupt.
2212         * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2213         (@cpu@_perform_writeback): New function.
2214         (main loop): Call frv_process_interrupts.
2215         * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2216         (frv_itrap): New interface.
2217         (frv_interrupt_class): New enumeration.
2218         (frv_interrupt_kind): New enumeration.
2219         (struct frv_interrupt): New struct type.
2220         (frv_interrupt_table): New table of interrupt information.
2221         (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2222         (struct frv_interrupt_state): New struct type.
2223         (frv_interrupt_state): New global variable.
2224         (previous_vliw_pc): New global variable.
2225         (frv_queue_software_interrupt): New function.
2226         (frv_queue_program_interrupt): New function.
2227         (frv_queue_interrupt): New function.
2228         (frv_process_interrupts): New function.
2229         (frv_program_interrupt): New function.
2230         (frv_software_interrupt): New function.
2231         (frv_program_or_software_interrupt): New function.
2232         (frv_clear_interrupt_classes): New function.
2233         * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2234         * Makefile.in (SIM_OBJS): Add interrupts.o
2235         * sem.c: Rebuild.
2236
2237 1999-09-25  Doug Evans  <devans@casey.cygnus.com>
2238
2239         * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2240
2241 Tue Sep 21 17:16:47 1999  Dave Brolley  <brolley@cygnus.com>
2242
2243         * mloop.in (main loop): Determine last insn from scache entry.
2244         * cpu.h: Rebuild.
2245         * cpuall.h: Rebuild.
2246
2247 Tue Sep 14 14:21:31 1999  Dave Brolley  <brolley@cygnus.com>
2248
2249         * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2250         (NECR_ELOS): Define as unshifted value.
2251         (NECR_NEN): Define as unshifted value.
2252         (NECR_VALID): Define as unshifted value.
2253         (SET_NESR): Rewite to use post-write queue.
2254         (SET_NESR_VALID): Rewite to operate on argument.
2255         (SET_NESR_EAV): Rewite to operate on argument.
2256         (SET_NESR_FR): Rewite to operate on argument.
2257         (CLEAR_NESR_FR): Rewite to operate on argument.
2258         (SET_NESR_DRN): Rewite to operate on argument.
2259         (SET_NESR_SIZE): Rewite to operate on argument.
2260         (SET_NESR_NEAN): Rewite to operate on argument.
2261         (SET_NEEAR): Rewite to use post-write queue.
2262         (SET_NE_FLAG): Rewite to use post-write queue.
2263         (CLEAR_NE_FLAG): Rewite to use post-write queue.
2264         * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2265         (frv_rett): Rewite to use post-write queue.
2266         (next_available_nesr): Rewrite to use new macro interfaces.
2267         (next_valid_nesr): Ditto.
2268         (frvbf_check_non_excepting_load): Ditto.
2269         (frvbf_check_recovering_store): Ditto.
2270         (clear_nesr_neear): Ditto.
2271         (clear_ne_flags): Ditto.
2272         * mloop.in (main loop): Update PCSR with address of next VLIW insn
2273         when flag is set.
2274         * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2275         (frvbf_store_multiple_GR): Rewite to use post-write queue.
2276         (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2277         (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2278         * Makefile.in (frv.o): Depend on cgen-par.h.
2279
2280 Fri Sep 10 17:03:15 1999  Dave Brolley  <brolley@cygnus.com>
2281
2282         * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2283         (frvbf_write_next_vliw_addr_to_LR): New flag.
2284         * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2285         * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2286         address of the next VLIW insn if flag is set.
2287         * cpu.h,decode.c,sem.c: Rebuild.
2288
2289 Tue Sep  7 13:44:23 1999  Dave Brolley  <brolley@cygnus.com>
2290
2291         * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2292         * sem.c: Rebuild.
2293
2294 1999-09-02  Doug Evans  <devans@casey.cygnus.com>
2295
2296         * configure: Regenerated to track ../common/aclocal.m4 changes.
2297
2298 1999-09-01  Doug Evans  <devans@casey.cygnus.com>
2299
2300         * decode.c: Rebuild.
2301
2302 Mon Aug 30 17:54:57 1999  Dave Brolley  <brolley@cygnus.com>
2303
2304         * traps.c (frv_rett): New function.
2305         * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2306         (frvbf_h_spr_set_handler): Handle bpsr.
2307         (frvbf_h_bpsr_get_handler): New function.
2308         (frvbf_h_bpsr_set_handler): New function.
2309         * frv-sim.h (frv_rett): New function.
2310         (frvbf_h_bpsr_get_handler): New function.
2311         (frvbf_h_bpsr_set_handler): New function.
2312         * mloop.in: Read actual packing bit.
2313         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2314
2315 Tue Aug 31 16:04:37 1999  Dave Brolley  <brolley@cygnus.com>
2316
2317         * traps.c (WANT_CPU): New macro.
2318         (WANT_CPU_FRVBF): New macro.
2319         (frvbf_check_recovering_store): Use registers for source and queue
2320         writes.
2321         * mloop.in: New main loop for parallel support.
2322         (@cpu@_parallel_write_init): New function.
2323         (@cpu@_parallel_write_queued): New function.
2324         * frv-sim.h (set_icc_for_shift_left): New interface.
2325         (set_icc_for_shift_right): New interface.
2326         (frvbf_check_recovering_store): New interface.
2327         * frv.c (set_icc_for_shift_left): Pass and return icc value.
2328         (set_icc_for_shift_right): Pass and return icc value.
2329         (frvbf_check_recovering_store): New interface.
2330         * Makefile.in (FRV_OBJS): Add cgen-par.o.
2331         (stamp-mloop): Add cgen parallel options.
2332         (stamp-arch): Remove with-profile option.
2333         (stamp-cpu): Add cgen parallel options.
2334         * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2335
2336 1999-08-28  Doug Evans  <devans@casey.cygnus.com>
2337
2338         * cpu.h,decode.c,sem.c: Rebuild.
2339
2340 Wed Aug 25 12:25:04 1999  Dave Brolley  <brolley@cygnus.com>
2341
2342         * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2343
2344 Thu Aug 19 17:59:00 1999  Dave Brolley  <brolley@cygnus.com>
2345
2346         * configure.in: fr500 now the default model.
2347         * configure: Regenerate.
2348         * frv.c: Change frv-1 to frv-gen.
2349         (frvbf_model_fr500_u_exec): New function.
2350         * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2351         * mloop.in: Fix typos in comments.
2352         * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2353
2354 1999-08-17  Dave Brolley  <brolley@cygnus.com>
2355
2356         * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2357
2358 1999-08-09  Doug Evans  <devans@casey.cygnus.com>
2359
2360         * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2361
2362 1999-08-04  Doug Evans  <devans@casey.cygnus.com>
2363
2364         * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2365
2366 Fri Jul 16 14:50:15 1999  Dave Brolley  <brolley@cygnus.com>
2367
2368         * frv.c (frvbf_fetch_register): Use GDB register number macros.
2369         (frvbf_store_register): Use GDB register number macros.
2370         (frvbf_cut): New function.
2371         * frv-sim.h (GR_REGNUM_MAX): New macro.
2372         (FR_REGNUM_MAX): New macro.
2373         (PC_REGNUM): New macro.
2374         (LR_REGNUM): New macro.
2375         (frvbf_cut): New function.
2376         * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2377
2378 1999-07-15  Stan Shebs  <shebs@andros.cygnus.com>
2379
2380         * frv.c (frvbf_fetch_register): Add ability to get LR register,
2381         add default for unhandled registers.
2382         (frvbf_store_register): Add ability to set LR register.
2383
2384 1999-07-14  Stan Shebs  <shebs@andros.cygnus.com>
2385
2386         * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2387         (decode_gdb_dr_regnum): Remove, not used.
2388
2389 1999-07-13  Michael Meissner  <meissner@cygnus.com>
2390
2391         * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2392
2393         * configure.in (--enable-sim-trapdump): New switch to make unknown
2394         traps dump the register contents, instead of doing the trap thing.
2395         * configure: Regenerate.
2396
2397         * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2398         (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2399         temporarily.
2400
2401         * traps.h (toplevel): Include bfd.h, libiberity.h.
2402         (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2403         dumping the registers.
2404
2405 Thu Jul  8 10:57:39 1999  Dave Brolley  <brolley@cygnus.com>
2406
2407         * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2408
2409 Wed Jul  7 17:01:12 1999  Dave Brolley  <brolley@cygnus.com>
2410
2411         * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2412
2413 Tue Jul  6 16:12:18 1999  Dave Brolley  <brolley@cygnus.com>
2414
2415         * frv.c (frvbf_square_root_SF): Removed.
2416         (frvbf_square_root_DF): Removed.
2417         (frvbf_h_fr_double_get_handler): Removed.
2418         (frvbf_h_fr_double_set_handler): Removed.
2419         (frvbf_h_fr_int_get_handler): Removed.
2420         (frvbf_h_fr_int_set_handler): Removed.
2421         * frv-sim.h (frvbf_square_root_SF): Removed.
2422         (frvbf_square_root_DF): Removed.
2423         (frvbf_h_fr_double_get_handler): Removed.
2424         (frvbf_h_fr_double_set_handler): Removed.
2425         (frvbf_h_fr_int_get_handler): Removed.
2426         (frvbf_h_fr_int_set_handler): Removed.
2427         * decode.c,decode.h,model.c,sem.c: Rebuild.
2428
2429 1999-07-05  Doug Evans  <devans@casey.cygnus.com>
2430
2431         * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2432         * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2433         * sim-if.c (sim_open): Initialize fpu.
2434         * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2435         * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2436         with frvbf_h_fr_get.
2437
2438 Wed Jun 30 15:56:56 1999  Dave Brolley  <brolley@cygnus.com>
2439
2440         * frv-sim.h (NESR_RANGE): New macro.
2441         (NO_NESR): New macro.
2442         (GET_NESR_VALID): New macro.
2443         (next_ne_index): Removed.
2444         * traps.c (next_available_nesr): New function.
2445         (next_valid_nesr): New function.
2446         (frvbf_check_non_excepting_load): Use next_available_nesr.
2447         (frvbf_check_recovering_store): Use next_available_nesr and
2448         next_valid_nesr.
2449         (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2450         (frvbf_check_recovering_store): Only consider one matching register.
2451         * sem.c: Rebuild.
2452
2453 Tue Jun 29 16:54:32 1999  Dave Brolley  <brolley@cygnus.com>
2454
2455         * frv.c (frvbf_square_root_SF): New function.
2456         (frvbf_square_root_DF): New function.
2457         (frvbf_h_fr_double_get_handler): New function.
2458         (frvbf_h_fr_double_set_handler): New function.
2459         * frv-sim.h (frvbf_square_root_SF): New function.
2460         (frvbf_square_root_DF): New function.
2461         (frvbf_h_fr_double_get_handler): New function.
2462         (frvbf_h_fr_double_set_handler): New function.
2463         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2464
2465 1999-06-28  Dave Brolley  <brolley@cygnus.com>
2466
2467         * decode.c,decode.h,model.c,sem.c: Regenerate.
2468
2469 Thu Jun 24 17:26:32 1999  Dave Brolley  <brolley@cygnus.com>
2470
2471         * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2472         * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2473         (frvbf_h_fr_int_set_handler): New function.
2474         (frvbf_store_multiple_FRint): New function.
2475         (frvbf_square_root_SF): New function.
2476         * frv.c (frvbf_h_fr_int_get_handler): New function.
2477         (frvbf_h_fr_int_set_handler): New function.
2478         (frvbf_store_multiple_FRint): New function.
2479         (frvbf_square_root_SF): New function.
2480         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2481
2482 1999-06-23  Doug Evans  <devans@casey.cygnus.com>
2483
2484         * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2485         to genmloop.sh.  Pass -scache instead.
2486         (mloop.o): Delete sem-switch.c dependency.
2487         (sem-switch.c): Delete rule.
2488         (stamp-cpu): Don't build sem-switch.c.
2489         * sem-switch.c: Delete.
2490         * mloop.in (xfull-exec-*): Fix call to execute.
2491         * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2492
2493         * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2494
2495 Tue Jun 22 16:23:57 1999  Dave Brolley  <brolley@cygnus.com>
2496
2497         * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2498
2499 Mon Jun 21 17:34:10 1999  Dave Brolley  <brolley@cygnus.com>
2500
2501         * mloop.in (execute): Force gr0 to zero before each insn.
2502         * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2503
2504 1999-06-18  Doug Evans  <devans@casey.cygnus.com>
2505
2506         * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2507
2508 Fri Jun 18 17:49:23 1999  Dave Brolley  <brolley@cygnus.com>
2509
2510         * frv.c (frvbf_h_gr_get_handler): New function.
2511         (frvbf_h_gr_set_handler): New function:
2512         (frvbf_store-multiple_GR): New function:
2513         (frvbf_store-multiple_FR): New function:
2514         (frvbf_store-multiple_CPR): New function:
2515         * frv-sim.h (frvbf_h_gr_get_handler): New function.
2516         (frvbf_h_gr_set_handler): New function:
2517         (frvbf_store-multiple_GR): New function:
2518         (frvbf_store-multiple_FR): New function:
2519         (frvbf_store-multiple_CPR): New function:
2520         * traps.c (frv_itrap): Implement proper syscalls interface.
2521         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2522
2523 Fri Jun 18 14:36:23 1999  Dave Brolley  <brolley@cygnus.com>
2524
2525         * traps.c (frvbf_check_non_excepting_divide): New function.
2526         (frvbf_check_recovering_store): New function.
2527         (clear_nesr_neear): New function.
2528         (clear_ne_flags): New function.
2529         (frvbf_commit): New function.
2530
2531         * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2532         (frvbf_check_recovering_store): New function.
2533         (clear_nesr_neear): New function.
2534         (clear_ne_flags): New function.
2535         (frvbf_commit): New function.
2536         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2537
2538 1999-06-16  Dave Brolley  <brolley@cygnus.com>
2539
2540         * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2541         (frvbf_h_spr_set_handler): Handle SPR_NECR.
2542         * traps.c (next_ne_index): New variable.
2543         (frvbf_check_non_excepting_load): New function.
2544         * frv-sim.h (NECR_ELOS): New macro.
2545         (NECR_NEN): New macro.
2546         (NECR_VALID): New macro.
2547         (SET_NESR_VALID): New macro.
2548         (SET_NESR_EAV): New macro.
2549         (SET_NESR_FR): New macro.
2550         (CLEAR_NESR_FR): New macro.
2551         (SET_NESR_DRN): New macro.
2552         (SET_NESR_SIZE): New macro.
2553         (SET_NESR_NEAN): New macro.
2554         (SET_NEEAR): New macro.
2555         (GET_NE_FLAG): New macro.
2556         (SET_NE_FLAG): New macro.
2557         (CLEAR_NE_FLAG): New macro.
2558         (frvbf_check_non_excepting_load): New function:
2559         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2560
2561 Wed Jun  9 18:12:49 1999  Dave Brolley  <brolley@cygnus.com>
2562
2563         * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2564
2565 Tue Jun  8 18:13:51 1999  Dave Brolley  <brolley@cygnus.com>
2566
2567         * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2568         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2569
2570 Mon Jun  7 17:09:15 1999  Dave Brolley  <brolley@cygnus.com>
2571
2572         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2573
2574 1999-06-07  Dave Brolley  <brolley@cygnus.com>
2575
2576         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2577
2578 Thu Jun  3 17:33:31 1999  Dave Brolley  <brolley@cygnus.com>
2579
2580         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2581
2582 Wed Jun  2 17:50:21 1999  Dave Brolley  <brolley@cygnus.com>
2583
2584         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2585
2586 Tue Jun  1 17:58:53 1999  Dave Brolley  <brolley@cygnus.com>
2587
2588         * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2589
2590 Mon May 31 17:57:25 1999  Dave Brolley  <brolley@cygnus.com>
2591
2592         * traps.c (frv_software_interrupt): Pass current_cpu to
2593         frvbf_h_psr_esr_get.
2594         (frv_software_interrupt): Calculate the new PC based on TBR.
2595         * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2596
2597 1999-05-31  Dave Brolley  <brolley@cygnus.com>
2598
2599         * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2600
2601 Thu May 27 17:42:00 1999  Dave Brolley  <brolley@cygnus.com>
2602
2603         * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2604         (frvbf_h_cccr_set_handler): New function.
2605         (frvbf_scan_result): New function.
2606         (frvbf_cr_logic): New function.
2607         * frv.c (frvbf_h_cccr_get_handler): New function.
2608         (frvbf_h_cccr_set_handler): New function.
2609         (frvbf_scan_result): New function.
2610         (frvbf_cr_logic): New function.
2611         (cr_ops,cr_result,cr_logic): New table.
2612         * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2613
2614 1999-05-25  Dave Brolley  <brolley@cygnus.com>
2615
2616         * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2617         (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2618         (frv_psr_get_handler): New function.
2619         (frv_psr_set_handler): New function.
2620         (frv_tbr_get_handler): New function.
2621         (frv_tbr_set_handler): New function.
2622         (frvbf_h_ccr_get_handler): Add support for fCC.
2623         (frvbf_h_ccr_set_handler): Add support for fCC.
2624         * frv-sim.h (frv_psr_get_handler): New function.
2625         (frv_psr_set_handler): New function.
2626         (frv_tbr_get_handler): New function.
2627         (frv_tbr_set_handler): New function.
2628         * traps.c (frv_software_interrupt): Implement.
2629         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2630
2631 Thu May 20 16:39:27 1999  Dave Brolley  <brolley@cygnus.com>
2632
2633         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2634
2635 1999-05-18  Dave Brolley  <brolley@cygnus.com>
2636
2637         * frv.c: (frvbf_set_icc_for_shift_left): New function.
2638         (frvbf_set_icc_for_shift_right): New function.
2639         * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2640         (frvbf_set_icc_for_shift_right): New function.
2641         (SETMEMSF): New Macro.
2642         (SETMEMDF): New Macro.
2643         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2644
2645 Thu May 13 17:14:49 1999  Dave Brolley  <brolley@cygnus.com>
2646
2647         * frv.c (frvbf_h_ccr_get_handler): New function.
2648         (frvbf_h_ccr_set_handler): New function.
2649         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2650
2651 Tue May 11 16:13:15 1999  Dave Brolley  <brolley@cygnus.com>
2652
2653         * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2654         frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2655         * frv.c: Likewise.
2656         * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2657
2658 1999-05-10  Dave Brolley  <brolley@cygnus.com>
2659
2660         * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2661
2662 Thu May  6 16:48:21 1999  Dave Brolley  <brolley@cygnus.com>
2663
2664         * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2665         * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2666
2667 Wed May  5 11:52:24 1999  Dave Brolley  <brolley@cygnus.com>
2668
2669         * traps.c (frv_software_interrupt): New function.
2670         (frv_itrap): New function.
2671         * frv-sim.h (TRAP_SYSCALL): define as 0.
2672         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2673
2674 Mon May  3 13:49:21 1999  Dave Brolley  <brolley@cygnus.com>
2675
2676         * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2677
2678 Thu Apr 29 17:37:06 1999  Dave Brolley  <brolley@cygnus.com>
2679
2680         * Directory created.