sim/frv/ChangeLog

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