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49cd1634
MF		 12015-03-23 Mike Frysinger <vapier@gentoo.org>
2
3 * configure: Regenerate.
4
ae7d0cac
MF		 52015-03-16 Mike Frysinger <vapier@gentoo.org>
6
7 * aclocal.m4, config.in, configure: Regenerate.
8 * tconfig.in: Rename file ...
9 * tconfig.h: ... here.
10
8406bb59
MF		 112015-03-15 Mike Frysinger <vapier@gentoo.org>
12
13 * tconfig.in [HAVE_DV_SOCKSER]: Delete.
14
465fb143
MF		 152015-03-14 Mike Frysinger <vapier@gentoo.org>
16
17 * Makefile.in (SIM_RUN_OBJS): Delete.
18
105dd264
HPN		 192014-08-23 Hans-Peter Nilsson <hp@axis.com>
20
21 * configure.ac: Default simulator hardware to off again. Remove
22 dead frv_extra_objs substitution.
23 * configure: Regenerate.
24 * Makefile.in: Remove unused frv_extra_objs.
25
2974be62
AM		 262014-08-19 Alan Modra <amodra@gmail.com>
27
28 * configure: Regenerate.
29
faa743bb
RM		 302014-08-15 Roland McGrath <mcgrathr@google.com>
31
32 * configure: Regenerate.
33 * config.in: Regenerate.
34
bf3d9781
AM		 352013-09-23 Alan Modra <amodra@gmail.com>
36
37 * configure: Regenerate.
38
31e6ad7d
MF		 392013-06-03 Mike Frysinger <vapier@gentoo.org>
40
41 * aclocal.m4, configure: Regenerate.
42
73e76d20
MF		 432013-03-30 Joel Sherrill <joel.sherrill@oarcorp.com>
44 Mike Frysinger <vapier@gentoo.org>
45
46 * configure.ac: Add frv_extra_objs. Change simulator hardware
47 from always on to defaulting to yes it is enabled.
48 * Makefile.in: Conditionalize reference to dv-sockser.o.
49 * configure: Regenerated.
50
1517bd27
MF		 512013-03-26 Mike Frysinger <vapier@gentoo.org>
52
53 * configure: Regenerate.
54
94c63d78
JS		 552013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>
56
57 * configure.ac: Fail if dv-sockser.o not available.
58 Error when --disable-sim-hardware is specified.
59 * configure: Regenerated.
60
5f3ef9d0
JB		 612012-06-15 Joel Brobecker <brobecker@adacore.com>
62
63 * config.in, configure: Regenerate.
64
2232061b
MF		 652012-03-24 Mike Frysinger <vapier@gentoo.org>
66
67 * aclocal.m4, config.in, configure: Regenerate.
68
db2e4d67
MF		 692011-12-03 Mike Frysinger <vapier@gentoo.org>
70
71 * aclocal.m4: New file.
72 * configure: Regenerate.
73
9c082ca8
MF		 742011-10-17 Mike Frysinger <vapier@gentoo.org>
75
76 * configure.ac: Change include to common/acinclude.m4.
77
6ffe910a
MF		 782011-10-17 Mike Frysinger <vapier@gentoo.org>
79
80 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
81 call. Replace common.m4 include with SIM_AC_COMMON.
82 * configure: Regenerate.
83
2419798b
MF		 842011-07-05 Mike Frysinger <vapier@gentoo.org>
85
86 * sim-if.c (sim_do_command): Delete.
87
f9bdfd29
MF		 882010-04-21 Mike Frysinger <vapier@gentoo.org>
89
90 * profile.c (sim_profile_print_bar): Add cpu argument.
91
fb0cc53e
MF		 922010-03-30 Mike Frysinger <vapier@gentoo.org>
93
94 * devices.c (device_error): Add const to message.
95
c5351010
DE		 962010-02-12 Doug Evans <dje@sebabeach.org>
97
98 * decode.c, * decode.h: Regenerate.
99
2310652a
DE		 1002010-02-11 Doug Evans <dje@sebabeach.org>
101
102 * cpu.h, * decode.c, * model.c, * sem.c: Regenerate.
103
d2c7a1a6
DE		 1042010-01-24 Doug Evans <dje@sebabeach.org>
105
106 * sem.c: Regenerate.
107
3725885a
RW		 1082010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
109
110 * configure: Regenerate.
111
0f51e9bf
DE		 1122010-01-02 Doug Evans <dje@sebabeach.org>
113
114 * arch.c, * arch.h, * cpu.c, * cpu.h, * cpuall.h, * decode.c,
115 * decode.h, * model.c, * sem.c: Regenerate, update copyright year.
116
197fa1aa
DE		 1172009-11-22 Doug Evans <dje@sebabeach.org>
118
119 * cpu.h: Regenerate.
120 * cpuall.h: Regenerate.
121 * decode.c: Regenerate.
122 * decode.h: Regenerate.
123
b29791a8
DE		 1242009-11-03 Doug Evans <dje@sebabeach.org>
125
126 * arch.c: Regenerate.
127 * arch.h: Regenerate.
128 * cpu.c: Regenerate.
129 * cpu.h: Regenerate.
130 * cpuall.h: Regenerate.
131 * decode.c: Regenerate.
132 * decode.h: Regenerate.
133 * model.c: Regenerate.
134 * sem.c: Regenerate.
135
d6416cdc
RW		 1362009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
137
81ecdfbb
RW		 138 * config.in: Regenerate.
139 * configure: Likewise.
140
d6416cdc
RW		 141 * configure: Regenerate.
142
7b1a2840
HPN		 1432009-01-07 Hans-Peter Nilsson <hp@axis.com>
144
145 * sem.c: Regenerate.
146
bce3bbcb
HPN		 1472008-12-23 Hans-Peter Nilsson <hp@axis.com>
148
149 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
150 model.c, sem.c: Regenerate.
151
b5bd9624
HPN		 1522008-07-11 Hans-Peter Nilsson <hp@axis.com>
153
154 * configure: Regenerate to track ../common/common.m4 changes.
155 * config.in: Ditto.
156
6efef468
JM		 1572008-06-06 Vladimir Prus <vladimir@codesourcery.com>
158 Daniel Jacobowitz <dan@codesourcery.com>
159 Joseph Myers <joseph@codesourcery.com>
160
161 * configure: Regenerate.
162
b1bfc053
HPN		 1632006-12-21 Hans-Peter Nilsson <hp@axis.com>
164
165 * config.in: Regenerate.
166
e85e3205
RE		 1672006-06-13 Richard Earnshaw <rearnsha@arm.com>
168
169 * configure: Regenerated.
170
2f0122dc
DJ		 1712006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
172
173 * configure: Regenerated.
174
20e95c23
DJ		 1752006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
176
177 * configure: Regenerated.
178
79e59fe6
DB		 1792005-10-28 Dave Brolley <brolley@redhat.com>
180
181 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
182
183 Contribute the following changes:
184 2003-09-29 Dave Brolley <brolley@redhat.com>
185
186 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
187 CGEN_ATTR_VALUE_TYPE.
188 * mloop.in: Ditto.
189 * pipeline.c: Ditto.
190 * traps.c: Ditto.
191
2b193c4a
MK		 1922005-03-23 Mark Kettenis <kettenis@gnu.org>
193
194 * configure: Regenerate.
195
35695fd6
AC		 1962005-01-14 Andrew Cagney <cagney@gnu.org>
197
198 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
199 explicit call to AC_CONFIG_HEADER.
200 * configure: Regenerate.
201
f0569246
AC		 2022005-01-12 Andrew Cagney <cagney@gnu.org>
203
204 * configure.ac: Update to use ../common/common.m4.
205 * configure: Re-generate.
206
38f48d72
AC		 2072005-01-11 Andrew Cagney <cagney@localhost.localdomain>
208
209 * configure: Regenerated to track ../common/aclocal.m4 changes.
210
b7026657
AC		 2112005-01-07 Andrew Cagney <cagney@gnu.org>
212
213 * configure.ac: Rename configure.in, require autoconf 2.59.
214 * configure: Re-generate.
215
379832de
HPN		 2162004-12-08 Hans-Peter Nilsson <hp@axis.com>
217
218 * configure: Regenerate for ../common/aclocal.m4 update.
219
45aa12b4
RS		 2202004-08-27 Richard Sandiford <rsandifo@redhat.com>
221
222 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
223 * cpuall.h, model.c, sem.c: Regenerated.
224
676a64f4
RS		 2252004-03-01 Richard Sandiford <rsandifo@redhat.com>
226
227 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
228 (profile-fr450.o): New dependency.
229 (stamp-cpu): Add fr450 to the list of machs.
230 * sim-frv.h (SPR_IS_ACC): New macro.
231 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
232 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
233 * frv.c (check_register_alignment, check_fr_register_alignment)
234 (check_memory_alignment, do_media_average): Likewise.
235 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
236 rather than a consecutive range.
237 * interrupts.c (frv_queue_illegal_instruction_interrupt)
238 (frv_queue_non_implemented_instruction_interrupt): Handle
239 bfd_mach_fr450.
240 * memory.c (check_data_read_address, check_readwrite_address)
241 (check_insn_read_address, check_write_address): Likewise.
242 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
243 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
244 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
245 * profile-fr450.c: New file.
246 * registers.c (fr450_spr): New array.
247 (frv_register_control_init): Check its size. Use it for fr450.
248 (frv_check_register_access): Handle bfd_mach_fr450.
249 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
250 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
251 (frvbf_media_acc_not_aligned): Likewise.
252 (frvbf_media_register_not_aligned): Likewise.
253 * arch.c: Regenerate.
254 * arch.h: Regenerate.
255 * cpu.h: Regenerate.
256 * cpuall.h: Regenerate.
257 * decode.h: Regenerate.
258 * model.c: Regenerate.
259
c7a48b9a
RS		 2602004-03-01 Richard Sandiford <rsandifo@redhat.com>
261
262 * cache.c (frv_cache_init): Change fr400 cache statistics to match
263 the fr405.
264 (non_cache_access): Add missing breaks.
265 * interrupts.c (set_exception_status_registers): Always set EAR15
266 for data_access_errors.
267 * memory.c (fr400_check_write_address): Remove redundant alignment
268 check.
269 * model.c: Regenerate.
270
8b73069f
RS		 2712004-03-01 Richard Sandiford <rsandifo@redhat.com>
272
273 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
274
8ae0baa2
RS		 2752004-03-01 Richard Sandiford <rsandifo@redhat.com>
276
277 * decode.c, decode.h, model.c, sem.c: Regenerate.
278
d74c4203
KB		 2792003-11-24 Kevin Buettner <kevinb@redhat.com>
280
281 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
282 (SPR_REGNUM_MAX): Delete.
283 * frv.c (gdb/sim-frv.h): Include.
284 (frvbf_fetch_register, frvbf_store_register): Use register number
285 constants from gdb/sim-frv.h. Check availability of general
286 purpose and float registers.
287
0b01870b
DB		 2882003-11-03 Dave Brolley <brolley@redhat.com>
289
290 * cache.c (address_interference): Check for higher priority requests
291 in the same pipeline.
292
9a29f3ca
DB		 2932003-10-31 Dave Brolley <brolley@redhat.com>
294
162cec1b 295 * frv-sim.h (LR_REGNUM): Removed.
073926e5 296 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 297 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 298 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 299 Return 0 for an unimplemented register. Return the length of the data
300 for an implemented register.
301 (frvbf_store_register): Ditto.
302
fc0a2244
AC		 3032003-10-30 Andrew Cagney <cagney@redhat.com>
304
305 * traps.c: Replace "struct symbol_cache_entry" with "struct
306 bfd_symbol".
307
29a79ca0
DB		 3082003-10-10 Dave Brolley <brolley@redhat.com>
309
310 * cpu.h, sem.c: Regenerate.
311
e930b1f5
DB		 3122003-10-06 Dave Brolley <brolley@redhat.com>
313
314 * profile-fr550.[ch]: New files.
315 * configure.in: Move frv handling to alphabetically correct placement.
316 * Makefile.in: Add fr550 support.
317 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
318 profile.[ch],registers.c,traps.c: Add fr550 support.
319 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
320 Regenerate.
321
22f367a7
DB		 3222003-09-25 Dave Brolley <brolley@redhat.com>
323
324 * reset.c (frv_initialize): Call frv_register_control_init first.
325
1c453cd6
DB		 3262003-09-24 Dave Brolley <brolley@redhat.com>
327
328 * profile.h (update_FR_ptime): New prototype.
329 (update_FRdouble_ptime): Ditto.
330 (update_SPR_ptime): Ditto.
331 (increase_ACC_busy): Ditto.
332 (enforce_full_acc_latency): Ditto.
333 (post_wait_for_SPR): Ditto.
334 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
335 (update_FRdouble_ptime): Ditto.
336 (update_SPR_ptime): New function.
337 (increase_ACC_busy): Ditto.
338 (enforce_full_acc_latency): Ditto.
339 (vliw_wait_for_fdiv_resource): Correct resource name.
340 (vliw_wait_for_fsqrt_resource): Ditto.
341 (post_wait_for_SPR): New function.
342 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
343 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
344 adjust_float_register_busy.
345 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
346 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
347 registers.
348 (frvbf_model_fr500_u_float_arith): Ditto.
349 (frvbf_model_fr500_u_float_dual_arith): Ditto.
350 (frvbf_model_fr500_u_float_div): Ditto.
351 (frvbf_model_fr500_u_float_sqrt): Ditto.
352 (frvbf_model_fr500_u_float_convert): Ditto.
353 (update_FR_ptime): Moved to profile.c
354 (update_FRdouble_ptime): Moved to profile.c
355 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
356 for other machines.
357 (update_FRdouble_ptime): Ditto.
358 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
359
153431d6
DB		 3602003-09-12 Dave Brolley <brolley@redhat.com>
361
362 * registers.c (frv_check_spr_read_access): Check for access to
363 ACC4-ACC63 and ACCG4-ACCG63.
364 * profile.h (frv-desc.h): #include it.
365 (spr_busy): New member of FRV_PROFILE_STATE.
366 (spr_latency): Ditto.
367 (GNER_FOR_GR): New macro.
368 (FNER_FOR_FR): New maccro.
369 (update_SPR_latency): New function.
370 (vliw_wait_for_SPR): New function.
93938d47 371 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 372 (update_target_latencies): Ditto.
373 (update_SPR_latency): New function.
374 (vliw_wait_for_SPR): New function.
375 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
376 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
377 (frvbf_model_fr500_u_check): Ditto.
378 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
379 (frvbf_model_fr500_u_clrfr): Ditto.
380 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
381 (frvbf_model_fr500_u_gr2spr): Ditto.
382 * frv-sim.h (H_SPR_ACC4): New macro.
383 (H_SPR_ACCG4): New macro;
384 (H_SPR_ACC0): Removed.
385 (H_SPR_ACCG0): Removed.
386 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
387
ba9c4053
DB		 3882003-09-10 Dave Brolley <brolley@redhat.com>
389
390 * profile.c (slot_names): FM1 was listed twice. Changed first
391 instance to FM0. Added IALL, FMALL and FMLOW.
392 (print_parallel): Don't examine slots with no insns.
393
f9e18f5a
DB		 3942003-09-09 Dave Brolley <brolley@redhat.com>
395
396 * frv.c (do_media_average): Select machine using a switch.
397
d89a78b6
DB		 3982003-09-08 Dave Brolley <brolley@redhat.com>
399
400 On behalf of Doug Evans <dje@sebabeach.org>
401 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
402 Remove copying of .cpu file to cgen/cpu, no longer needed.
403
d03ea14f
DB		 4042003-09-03 Dave Brolley <brolley@redhat.com>
405
406 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
407
e8d2f504
DB		 4082003-08-29 Dave Brolley <brolley@redhat.com>
409
410 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
411 temporarily when regenerating files.
412 (stamp-cpu): Ditto.
413
b34f6357
DB		 4142003-08-20 Micheal Snyder <msnyder@redhat.com>
415
416 * All generated files: Regenerate.
417
4182001-10-11 Dave Brolley <brolley@redhat.com>
419
420 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
421
4222001-10-09 Dave Brolley <brolley@redhat.com>
423
424 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
425 not set.
426 * reset.c (frv_hardware_reset): Invalidate both caches.
427 * registers.c: Update init, reset and read-only masks for all registers
428 on all machines.
429 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
430 (prev_gr_complex): New field of FRV_PROFILE_STATE
431 (set_use_is_gr_complex): New function.
432 (set_use_not_gr_complex): New function.
433 (use_is_gr_complex): New function.
434 (decrease_GR_busy): New function.
435 * profile.c (reset_gr_flags): New function.
436 (reset_cc_flags): New function.
437 (set_use_is_gr_complex): New function.
438 (set_use_not_gr_complex): New function.
439 (use_is_gr_complex): New function.
440 (update_latencies): Reset gr and cc flags when latency reaches 0.
441 (decrease_GR_busy): New function.
442 * profile-fr400.h (fr500_reset_acc_flags): Removed.
443 (fr500_reset_cc_flags): New function.
444 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
445 LSI version 1.41.
446 * profile-fr400.h (fr400_reset_gr_flags): New function.
447 (fr400_reset_fr_flags): New function.
448 (fr400_reset_acc_flags): New function.
449 * profile-fr400.c (set_use_not_media_p4): New function.
450 (set_use_not_media_p6): New function.
451 (set_acc_use_not_media_p2): New function.
452 (set_acc_use_not_media_p4): New function.
453 (fr400_reset_gr_flags): New function.
454 (fr400_reset_fr_flags): New function.
455 (fr400_reset_acc_flags): New function.
456 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
457 (frvbf_model_fr400_u_media_hilo): New function.
458 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
459 * memory.c (fr400_check_data_read_address): Check address range only
460 for double word loads. Don't check alignment here.
461 (fr400_check_readwrite_address): New function.
462 (fr500_check_readwrite_address): New function.
463 (check_readwrite_address): New function.
464 (fr500_check_insn_read_address): Correct address ranges.
465 (frvbf_read_mem_*): Check address range here.
466 (frv_address_forbidden): Removed.
467 (fr400_check_write_address): New function.
468 (check_write_address): New function.
469 (frvbf_write_mem_*): Don't check address range here.
470 (frvbf_mem_set_*): Check address range here.
471 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
472 address as second argument.
473 (frv_queue_data_access_exception_interrupt): New function.
474 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
475 media insns on fr400.
476 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
477 for media insns on fr400.
478 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
479 of insns here. Check for MTRAP insn if PSR.EM is not set.
480 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
481 set.
482 (set_exception_status_registers): Do not always set EPCR. Set EAR for
483 data_acess_error only if not fr400.
484 * frv.c (do_media_average): New function.
485 (frvbf_media_average): New function.
486 (frvbf_insn_cache_invalidate): Check for illegal invocation.
487 (frvbf_data_cache_invalidate): Ditto.
488 (frvbf_data_cache_flush): Ditto.
489 * frv-sim.h (GET_FSR_QNE): New macro.
490 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
491 (GET_MSR_SRDAV): New macro.
492 (GET_MSR_RDAV): New macro.
493 (GET_MSR_RD): New macro.
494 (frv_queue_data_access_error_interrupt): Now takes an address as second
495 argument.
496 (frv_address_forbidden): Removed.
497 * cache.c (non_cache_access): Correct address ranges. Now takes cache
498 as first argument.
499 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
500
5012001-08-20 Dave Brolley <brolley@redhat.com>
502
503 * sim-main.h (_sim_cpu): New field 'elf_flags'.
504 * sim-if.c (sim_open): Extract the elf_flags from the input file and
505 save them with each cpu.
506 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
507 last_insn_p before executing the insn.
508 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
509 insn cache.
510 (frv_cache_invalidate_all): Ditto.
511
5122001-08-20 Richard Sandiford <rsandifo@redhat.com>
513
514 * traps.c (syscall_read_mem): Flush the data cache before reading.
515 (syscall_write_mem): Flush the data cache before writing.
516 Invalidate both caches.
517
5182001-07-05 Ben Elliston <bje@redhat.com>
519
520 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
521 (stamp-cpu): Likewise.
522
5232001-05-23 Dave Brolley <brolley@redhat.com>
524
525 * profile-fr400.c (acc_use_is_media_p2): New function.
526 (frvbf_model_fr400_u_media_2): Account for latency of output
527 accumulators.
528 (frvbf_model_fr400_u_media_2_quad): Ditto.
529 (frvbf_model_fr400_u_media_2_acc): New function.
530 (frvbf_model_fr400_u_media_2_acc_dual): New function.
531 (frvbf_model_fr400_u_media_2_add_sub): New function.
532 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
533 (frvbf_model_fr400_u_media_3_dual): New function.
534 (frvbf_model_fr400_u_media_4_acc_dual): New function.
535 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
536
5372001-05-15 Dave Brolley <brolley@redhat.com>
538
539 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
540 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
541 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
542 (request_cache_flush): Save 'all' argument.
543 (request_cache_invalidate): Save all_cache_entries from profile state
544 to 'all' field of the request.
545 (submit_cache_request): Pass the 'all' field of the request to
546 frv_cache_request_invalidate.
547 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
548 operation even if HSR0.ICE is not set.
549 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
550 operation even if HSR0.DCE is not set.
551 (frv_data_cache_flush): Ditto.
552 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
553 (frv_data_cache_invalidate): Add new 'all' parameter.
554 (frv_data_cache_flush): Add new 'all' parameter.
555 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
556 (frv_cache_request_invalidate): Add new 'all' parameter.
557 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
558 its value in the invalidate request.
559 (address_interference): Accept the value '-1' for the address argument
560 to mean 'any address'.
561 (handle_req_invalidate): Handle request to invalidate all cache lines.
562 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
563
5642001-05-14 Dave Brolley <brolley@redhat.com>
565
566 * profile.h (past_first_p): New field of profiling state.
567 (branch_penalty): Ditto.
568 (branch_hint): Ditto.
569 (update_branch_penalty): New function.
570 * profile.c (frvbf_model_insn_after): Reset past_first_p and
571 branch_address fields of the profiling state.
572 (frvbf_model_branch): New function.
573 (update_branch_penalty): New function.
574 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
575 FCCi_3 inputs.
576 (frvbf_model_fr500_u_trap): New function.
577 (frvbf_model_fr500_u_check): New function.
578 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
579 cycles.
580 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
581 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
582 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
583 documented in teh fr400 LSI.
584 (frvbf_model_fr400_u_media_dual_htob): Ditto.
585 (frvbf_model_fr400_u_media_dual_unpack): Removed.
586 (frvbf_model_fr500_u_trap): New function.
587 (frvbf_model_fr500_u_check): New function.
588 * mloop.in (simulate_dual_insn_prefetch): New function.
589 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
590 arguments for each machine type.
591 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
592
5932001-05-09 Dave Brolley <brolley@redhat.com>
594
595 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
596 (profile-fr400.o): New target.
597 * profile.c: New file.
598 * profile.h: New file.
599 * profile-fr400.c: New file.
600 * profile-fr400.h: New file.
601 * profile-fr500.c: New file.
602 * profile-fr500.h: New file.
603 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
604
6052001-05-02 Dave Brolley <brolley@redhat.com>
606
607 * sim-main.h (profile.h): #include it.
608 (CPU_PROFILE_STATE): New macro.
609 (profile_state): New frv specific cpu field.
610 * reset.c (frv_initialize): insn_fetch_address and branch_address now
611 part of global profiling state.
612 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
613 (SIM_EXTRA_DEPS): Add profile.h.
614 (registers.o): Correct name of source file.
615 (profile.o): New target.
616 (profile-fr500.o): New target.
617 * frv-sim.h: Move profile related data structures to profile.h.
618 * frv.c: Move fr500 specific functions to profile-fr500.c.
619 * cpu.h: Regenerated.
620
6212001-04-27 Dave Brolley <brolley@redhat.com>
622
623 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
624 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
625 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
626 Rename PIPE_* to UNIT_*.
627 (frv_queue_illegal_instruction_interrupt): Use
628 frv_is_float_insn and frv_is_media_insn.
629 (frv_queue_non_implemented_instruction_interrupt): Ditto.
630 (frv_detect_insn_access_interrupts): Ditto.
631 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
632 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
633 * memory.c: Ditto.
634 * pipeline.c: Ditto.
635 * mloop.in: Ditto.
636 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
637 * cache.c: Rename PIPE_* to UNIT_*.
638
6392001-04-24 Dave Brolley <brolley@redhat.com>
640
641 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
642 (frvbf_load_quad_FRint): Ditto.
643 (frvbf_load_quad_CPR): Ditto.
644 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
645 machines.
646 (bfd.h): #include it.
647 (non_cache_access): Update for revised fr500 and for fr400.
648 * registers.c (frv_spr): Don't reset PSR.PS.
649 (fr500_spr): Ditto.
650 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
651
6522001-04-23 Dave Brolley <brolley@redhat.com>
653
654 * traps.c (frv_core_signal): On fr400, generate data_access_error.
655 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
656 (frvbf_media_acc_not_aligned): Ditto.
657 (frvbf_media_register_not_aligned): Ditto.
658 (frvbf_division_exception): Use GET_ISR_EDE.
659 * registers.c (frv_check_spr_read_access): New function.
660 (frv_check_spr_write_access): New function.
661 (frv_check_spr_access): Deleted.
662 (frv_check_register_access): On fr400, generate illegal_instruction.
663 * memory.c (fr400_check_data_read_address): New function.
664 (fr500_check_data_read_address): Ditto.
665 (check_data_read_address): Ditto.
666 (fr400_check_insn_read_address): Ditto.
667 (fr500_check_insn_read_address): Ditto.
668 (check_insn_read_address): Ditto.
669 (frvbf_read_mem_QI): Call check_data_read_access.
670 (frvbf_read_mem_UQI): Ditto.
671 (frvbf_read_mem_HI): Ditto.
672 (frvbf_read_mem_UHI): Ditto.
673 (frvbf_read_mem_SI): Ditto.
674 (frvbf_read_mem_DI): Ditto.
675 (frvbf_read_mem_DF): Ditto.
676 (frvbf_read_imem_USI): Call check_insn_read_access.
677 (frv_address_forbidden): Now takes cpu as first argument. Check based
678 on machine type.
679 (fr400_mem_address_unaligned): New function.
680 (fr500_mem_address_unaligned): Ditto.
681 (check_write_address): Ditto.
682 (frvbf_mem_set_QI): Call check_write_address.
683 (frvbf_mem_set_HI): Ditto.
684 (frvbf_mem_set_SI): Ditto.
685 (frvbf_mem_set_DI): Ditto.
686 (frvbf_mem_set_DF): Ditto.
687 (frvbf_mem_set_XI): Ditto.
688 * interrupts.c (bfd.h): #include it.
689 (frv_queue_data_access_error_interrupt): New function.
690 (frv_queue_instruction_access_error_interrupt): New function.
691 (frv_queue_instruction_access_exception_interrupt): New function.
692 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
693 (frv_queue_non_implemented_instruction_interrupt): Ditto.
694 (frv_detect_insn_access_interrupts): Reorder tests to match priority
695 from the LSI manual.
696 (set_isr_exception_fields): Accumulate dtt bits.
697 * frv.c (check_register_alignment): New function.
698 (check_fr_register_alignment): New function.
699 (check_memory_alignment): New function.
700 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
701 (frvbf_h_gr_double_set_handler): Ditto.
702 (frvbf_h_cpr_double_get_handler): Ditto.
703 (frvbf_h_cpr_double_set_handler): Ditto.
704 (frvbf_h_gr_quad_set_handler): Ditto.
705 (frvbf_h_cpr_quad_set_handler): Ditto.
706 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
707 (frvbf_h_fr_double_set_handler): Ditto.
708 (frvbf_h_fr_quad_set_handler): Ditto.
709 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
710 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
711 (frvbf_load_quad_GR): Call check_memory_aligment.
712 (frvbf_load_quad_FRint): Ditto.
713 (frvbf_load_quad_CPR): Ditto.
714 (frvbf_store_quad_GR): Call check_memory_aligment and
715 check_register_alignment.
716 (frvbf_store_quad_FRint): Ditto.
717 (frvbf_store_quad_CPR): Ditto.
718 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
719 * frv-sim.h (H_SPR_ACC0): New macro.
720 (H_SPR_ACC63): New macro.
721 (H_SPR_ACCG0): New macro.
722 (H_SPR_ACCG63): New macro.
723 (frv_dtt): New enumerator.
724 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
725 (GET_ISR_DTT): New macro.
726 (frv_queue_data_access_error_interrupt): New function.
727 (frv_queue_instruction_access_error_interrupt): New function.
728 (frv_queue_instruction_access_exception_interrupt): New function.
729 (frv_address_forbidden): Now takes cpu as first argument.
730 * cpu.h: Regenerate.
731
7322001-04-10 Dave Brolley <brolley@redhat.com>
733
734 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
735 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
736 (fr400_spr): Implement SPR registers for fr400.
737 (frv_register_control_init): Handle bfd_mach_fr400 properly.
738 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
739 (spr_psr_get_handler): Ditto.
740 (spr_ccr_get_handler): Ditto.
741 (spr_cccr_get_handler): Ditto.
742 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
743 * frv-sim.h: Update comment about MCCR_* macros.
744 * cpu.c,cpu.h: Regenerate.
745
7462001-04-05 Dave Brolley <brolley@redhat.com>
747
748 * cpu.h,decode.c,model.c,sem.c: Regenerate.
749
7502001-04-05 Dave Brolley <brolley@redhat.com>
751
752 * reset.c: Update copyright.
753 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
754 * frv.c (frvbf_model_fr400_u_exec): New function.
755 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
756 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
757 Regenerate.
758
7592000-11-22 Dave Brolley <brolley@redhat.com>
760
761 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
762 Regenerate.
763
7642000-11-10 Dave Brolley <brolley@redhat.com>
765
766 * decode.c: Regenerate.
767
7682000-09-12 Dave Brolley <brolley@redhat.com>
769
770 * traps.c (frv_sim_engine_halt_hook): New function.
771 (frv_itrap): Caches now invalidated in sim_engine_halt via
772 SIM_ENGINE_HALT_HOOK.
773 (frv_break): Ditto.
774 * sim-main.h (frv_sim_engine_halt_hook): New function.
775 (SIM_ENGINE_HALT_HOOK): New macro.
776 (SIM_ENGINE_RESTART_HOOK): New macro.
777 * interrupts.c: Call to frv_term now done within sim_engine_halt via
778 SIM_ENGINE_HALT_HOOK.
779
7802000-09-08 Dave Brolley <brolley@redhat.com>
781
782 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
783 respectively when stopping for a breakpoint.
784 (frv_break): Ditto.
785 * cache.h (frv_cache_invalidate_all): New function.
786 * cache.c (frv_cache_invalidate_all): New function.
787
7882000-09-05 Dave Brolley <brolley@redhat.com>
789
790 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
791 sim_handle_breakpoint. Otherwise if environment != operating call
792 sim_engine_halt. Otherwise handle normally.
793 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
794 breakpoints here. Moved to frv_break in traps.c.
795
796 * sem.c: Regenerate.
797
7982000-09-01 Dave Brolley <brolley@redhat.com>
799
800 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
801 before queuing an interrupt in order to allow 'break' to be used as
802 the breakpoint insn.
803
8042000-08-29 Dave Brolley <brolley@redhat.com>
805
806 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
807
8082000-07-27 Dave Brolley <brolley@redhat.com>
809
810 * cpu.h,decode.c: Rebuild.
811
8122000-07-26 Dave Brolley <brolley@redhat.com>
813
814 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
815 (spr_cccr_set_handler): Change CRx to CCx.
816 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
817
8182000-07-24 Dave Brolley <brolley@redhat.com>
819
820 * sem.c: Regenerate.
821 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
822 Don't write it directly.
823
824Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
825
826 * configure: Regenerated to track ../common/aclocal.m4 changes.
827
8282000-07-05 Ben Elliston <bje@redhat.com>
829
830 * configure: Regenerated to track ../common/aclocal.m4 changes.
831
8322000-06-28 Dave Brolley <brolley@redhat.com>
833
834 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
835
8362000-06-21 Dave Brolley <brolley@redhat.com>
837
838 * pipeline.c: All code except frv_pipeline_setup_insn moved to
839 frv.opc.
840 * mloop.in (main loop): frv_pipeline_add_insn broken up into
841 frv_pipeline_add_insn and frv_pipeline_setup_insn.
842 * frv-sim.h: Move pipeline status code to frv.opc.
843 * model.c: Regenerate.
844
8452000-06-12 Dave Brolley <brolley@redhat.com>
846
847 * options.c (frv_option_handler): --profile-parallel implies
848 --profile-model.
849 * mloop.in (fetch_buffer): Removed.
850 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
851 run_caches. Use cache directly if not counting cycles. Don't use
852 cache at all if not counting cycles and cache not enabled.
853 * frv.c (frv_insn_fetch_buffer): New global variable.
854 (run_caches): Monitor the status of insn prefetch requests.
855 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
856 (frv_insn_fetch_buffer): New global variable.
857
8582000-06-12 Dave Brolley <brolley@redhat.com>
859
860 * mloop.in (fetch_buffer): New static struct.
861 (@cpu@_simulate_insn_prefetch): Rewritten.
862 * cache.c (frv_cache_request_invalidate): Don't invalidate return
863 buffer.
864 (address_interference): Defer to any WAR request in either pipeline.
865
8662000-06-09 Dave Brolley <brolley@redhat.com>
867
868 * pipeline.c (insns_in_slot): New Array.
869 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
870 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
871 option.
872 (parse_cache_option): New function.
873 (frv_option_handler): Call parse_cache_option.
874 * frv.c (vliw_branch_taken): New variable.
875 (vliw_load_stall): New variable.
876 (handle_resource_wait): Update vliw_load_stall.
877 (frvbf_model_insn_before): Initialize vliw_branch_taken and
878 vliw_load_stall.
879 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
880 (load_wait_for_FR): Update vliw_load_stall.
881 (load_wait_for_GR): Update vliw_load_stall.
882 (load_wait_for_FRdouble): Update vliw_load_stall.
883 (load_wait_for_GRdouble): Update vliw_load_stall.
884 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
885 (slot_names): New static array.
886 (print_parallel): Now takes second argument 'verbose'. Print cycles per
887 VLIW insn and instructions per cycle. Also tabulate the number of insns
888 in each type of VLIW slot.
889 (frv_profile_info): Call print_parallel with new second argument.
890 * frv-sim.h (insn_in_slot): New array.
891 (COUNT_INSNS_IN_SLOT): New macro.
892 (INSNS_IN_SLOT): New macro.
893 * cache.c: Remove references to non_blocking_count. Remove references to
894 last_was_hit. Remove references to req_none.
895 (handle_req_store): Adjust statistics before requeuing the store
896 request.
897 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
898 * cache.h: Remove references to non_blocking_count. Remove references to
899 last_was_hit. Remove references to req_none.
900 * model.c: Regenerate.
901
9022000-06-08 Dave Brolley <brolley@redhat.com>
903
904 * frv.c (request_complete): Copy load data from the correct return
905 buffer.
906
9072000-06-07 Dave Brolley <brolley@redhat.com>
908
909 * traps.c (frv_core_signal): Call frv_term before exiting.
910 (frv_itrap): Call frv_term before exiting.
911 (next_available_nesr): Make sure NECR is implemented before reading it.
912 (next_valid_nesr): Ditto.
913 (frvbf_check_non_excepting_load): Ditto.
914 (frvbf_clear_ne_flags): Ditto.
915 (frvbf_commit): Ditto.
916 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
917 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
918 store_flag members.
919 (CPU_LOAD_ADDRESS): New macro.
920 (CPU_LOAD_LENGTH): New macro.
921 (CPU_LOAD_SIGNED): New macro.
922 (CPU_LOAD_LOCK): New macro.
923 * reset.c (frv_term): New function.
924 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
925 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
926 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
927 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
928 the insn. Model the insn in two passes. One before and one after
929 execution.
930 (cache_reqno): new static variable.
931 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
932 cache rather than assuming a fixed latency.
933 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
934 enabled so that modeling data is collected by cgen during execution.
935 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
936 * memory.c (data_non_cache_access): Removed.
937 (insn_non_cache_access): Removed.
938 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
939 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
940 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
941 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
942 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
943 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
944 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
945 (frvbf_read_imem_USI): Read the cache or ememory passively.
946 (frvbf_write_mem_QI): Don't check for non-cache access here.
947 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
948 (frvbf_write_mem_HI): Don't check for non-cache access here.
949 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
950 (frvbf_write_mem_SI): Don't check for non-cache access here.
951 (frvbf_write_mem_DI): Don't check for non-cache access here.
952 (frvbf_write_mem_DF): Don't check for non-cache access here.
953 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
954 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
955 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
956 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
957 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
958 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
959 * interrupts.c (check_reset): Read the cache and memory passively.
960 (frv_program_or_software_interrupt): Call frv_term before calling
961 sim_engine_halt.
962 * frv.c (all modeling functions): Break into two passes. One before
963 execuetion and one after. call load_wait_for_* for all GR and FR
964 registers.
965 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
966 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
967 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
968 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
969 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
970 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
971 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
972 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
973 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
974 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
975 (model_insn): New global variable.
976 (fr_ptime): New array.
977 (cache_request): New enumeration.
978 (CACHE_QUEUE_ELEMENT): New struct type.
979 (CACHE_QUEUE_SIZE): New macro.
980 (cache_queue): New static struct.
981 (request_cache_load): New function.
982 (request_cache_flush): New function.
983 (request_cache_invalidate): New function.
984 (request_cache_preload): New function.
985 (request_cache_unlock): New function.
986 (submit_cache_request): New function.
987 (activate_cache_requests): New function.
988 (load_pending_for_register): New function.
989 (flush_pending_for_address): New function.
990 (remove_cache_queue_element): New function.
991 (copy_load_data): New function.
992 (request_complete): New function.
993 (run_caches): New function.
994 (frv_model_trace_wait_cycles): New function.
995 (wait_for_flush): New function.
996 (frvbf_model_insn_before): Insn prefect wait now modeled in
997 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
998 wait_for_flush.
999 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
1000 vliw_insns here anymore.
1001 (update_FR_latency_for_load): New function.
1002 (update_FRdouble_latency_for_load): New function.
1003 (update_FR_ptime): New function.
1004 (update_FRdouble_ptime): New function.
1005 (update_GR_latency_for_swap): New function.
1006 (load_wait_for_GR): New function.
1007 (load_wait_for_FR): New function.
1008 (load_wait_for_GRdouble): New function.
1009 (load_wait_for_FRdouble): New function.
1010 (frvbf_model_fr500_u_ici): New function.
1011 (frvbf_model_fr500_u_dci): New function.
1012 (frvbf_model_fr500_u_dcf): New function.
1013 (frvbf_model_fr500_u_icpl): New function.
1014 (frvbf_model_fr500_u_dcpl): New function.
1015 (frvbf_model_fr500_u_icul): New function.
1016 (frvbf_model_fr500_u_dcul): New function.
1017 * frv-sim.h (frv_term): New function.
1018 (insn_non_cache_access): Removed.
1019 (FRV_COUNT_CYCLES): New macro.
1020 (frv_save_peofile_model_p): New global variable.
1021 (model_insn): New enumerated global variable.
1022 (frv_model_advance_cycles): New function.
1023 (frv_model_trace_wait_cycles): New function.
1024 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
1025 (FRV_CACHE_WAR_REQUEST): New struct type.
1026 (FRV_CACHE_STORE_REQUEST): New struct type.
1027 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
1028 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
1029 (FRV_CACHE_REQUEST): New struct type.
1030 (FRV_CACHE_RETURN_BUFFER): New struct type.
1031 (FRV_CACHE_FLUSH_STATUS): New struct type.
1032 (FRV_CACHE_STATUS): New struct type.
1033 (FRV_CACHE_STAGE): New struct type.
1034 (FRV_CACHE_STAGES): New enumeration.
1035 (FRV_CACHE_WAR): New struct type.
1036 (FRV_CACHE_PIPELINE): New struct type.
1037 (FRV_CACHE_ARS): New struct type.
1038 (FRV_CACHE_STATISTICS): New struct type.
1039 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
1040 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
1041 (CACHE_RETURN_DATA_ADDRESS): New macro.
1042 (frv_cache_read): Now takes pipe index as second argument.
1043 (frv_cache_enabled): New function.
1044 (frv_cache_request_load): New function.
1045 (frv_cache_request_store): New function.
1046 (frv_cache_request_invalidate): New function.
1047 (frv_cache_request_preload): New function.
1048 (frv_cache_request_unlock): New function.
1049 (frv_cache_run): New function.
1050 (frv_cache_read_passive_SI): New function.
1051 (frv_cache_data_in_buffer): New function.
1052 (frv_cache_data_flushed): New function.
1053 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
1054 (frv_cache_enabled): New function.
1055 (non_cache_access): New function.
1056 (write_data_to_memory): Count write accesses for each mode. Write to
1057 memory using sim_core_write_unaligned_1;
1058 (read_data_from_memory): New function.
1059 (fill_line_from_memory): Use read_data_from_memory.
1060 (copy_line_to_return_buffer): New function.
1061 (copy_memory_to_return_buffer): New function.
1062 (set_return_buffer_reqno): New function.
1063 (frv_cache_read): Now takes pipe index as second argument. Check for
1064 non-cache access.
1065 (frv_cache_preload): Check for non-cache access.
1066 (frv_cache_unlock): Check for non-cache access.
1067 (invalidate_return_buffer): New function.
1068 (frv_cache_invalidate): Check for non-cache access.
1069 (convert_slot_to_index): New function.
1070 (FREE_CHAIN_SIZE): New macro.
1071 (frv_cache_request_free_chain): New static variable.
1072 (frv_store_request_free_chain): New static variable.
1073 (allocate_new_cache_requests): New function.
1074 (new_cache_request): New function.
1075 (free_cache_request): New function.
1076 (new_store_request): New function.
1077 (pipeline_remove_request): New function.
1078 (pipeline_add_request): New function.
1079 (pipeline_requeue_request): New function.
1080 (next_priority): New function.
1081 (add_WAR_request): New function.
1082 (pipeline_next_request): New function.
1083 (pipeline_stage_request): New function.
1084 (advance_pipelines): New function.
1085 (frv_cache_request_load): New function.
1086 (frv_cache_request_store): New function.
1087 (frv_cache_request_invalidate): New function.
1088 (frv_cache_request_preload): New function.
1089 (frv_cache_request_unlock): New function.
1090 (address_interference): New function.
1091 (wait_for_WAR): New function.
1092 (wait_in_WAR): New function.
1093 (handle_req_load): New function.
1094 (handle_req_preload): New function.
1095 (handle_req_store): New function.
1096 (handle_req_invalidate): New function.
1097 (handle_req_unlock): New function.
1098 (handle_req_WAR): New function.
1099 (arbitrate_requests): New function.
1100 (move_ARS_to_WAR): New function.
1101 (decrease_latencies): New function.
1102 (frv_cache_run): New function.
1103 (frv_cache_read_passive_SI): New function.
1104 (frv_cache_data_in_buffer): New function.
1105 (frv_cache_data_flushed): New function.
1106 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1107
1108Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
1109
1110 * configure: Regenerated to track ../common/aclocal.m4 changes.
1111
11122000-05-19 Dave Brolley <brolley@redhat.com>
1113
1114 * traps.c (frv_rett): Check for exceptions in the order specified in the
1115 architecture spec. Allow privileged_instruction interrrupt to be handled
1116 normally.
1117 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
1118 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
1119 to clear the NE flag.
1120 (frvbf_model_tomcat_u_exec): New function.
1121 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
1122 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1123 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1124
11252000-05-18 Dave Brolley <brolley@redhat.com>
1126
1127 * sim-if.c (elf-bfd.h): #include it.
1128 (sim_open): Set machine amd architecture based on elf flags.
1129
11302000-04-04 Dave Brolley <brolley@redhat.com>
1131
1132 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1133 Delete '#if 0' blocks.
1134 * frv.c: Delete '#if 0' blocks.
1135 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1136 PSR.S and PSR.ESR.
1137 (frv_h_psr_esr_set_handler): Removed.
1138 * interrupts.c: Delete '#if 0' blocks.
1139 * memory.c: Delete '#if 0' blocks.
1140 * cpu.c,cpu.h: Regenerate.
1141
11422000-04-03 Dave Brolley <brolley@redhat.com>
1143
1144 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1145 containing the target address.
1146 (clear_nesr_neear): No longer takes hi_available and lo_available.
1147 Remove bogus check for available GR registers.
1148 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1149 (frvbf_commit): Update call to clear_nesr_neear.
1150 * interrupts.c (next_available_esr): Removed.
1151 (next_available_edr): Removed.
1152 (next_available_fq): Removed.
1153 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1154 (frvbf_store_register): Remove "FIXME" comment.
1155 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1156 (UART_OUTCHAR_ADDR): Removed.
1157 (UART_STATUS_ADDR): Removed.
1158 (UART_INPUT_READY): Removed.
1159 (UART_OUTPUT_READY): Removed.
1160 (FRV_DEVICE_ADDR): Removed.
1161 (FRV_DEVICE_LEN): Removed.
1162 (SET_NESR): Call frvbf_force_update.
1163 (SET_NEEAR): Call frvbf_force_update.
1164 (SET_NE_FLAGS): Call frvbf_force_update.
1165
11662000-03-30 Dave Brolley <brolley@redhat.com>
1167
1168 * configure: Regenerated.
1169
11702000-03-30 Dave Brolley <brolley@redhat.com>
1171
1172 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1173 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1174 performing the write.
1175 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1176 queue element with the information in the interrupt state.
1177 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1178 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1179 (frv_set_interrupt_queue_slot): New function.
1180 (esr_for_data_access_exception): New function.
1181 (set_edr_register): edr_index is now passed in.
1182 (fq_for_exception): New function.
1183 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1184 element now passed in.
1185 (set_exception_status_registers): Obtain slot from interrupt queue
1186 element. Call esr_for_data_access_exception. Use ESR14
1187 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1188 (frv_save_data_written_for_interrupts): Save slot containing the insn
1189 performing the write.
1190 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1191 frv_fsr_ftt.
1192 (struct frv_interrupt_state): Add 'slot' field.
1193 (frv_set_interrupt_queue_slot): New function.
1194 (frv_set_write_queue_slot): New function.
1195
11962000-03-24 Dave Brolley <brolley@redhat.com>
1197
1198 * mloop.in (_parallel_write_init): Initialize
1199 frv_interrupt_state.imprecise_interrupt.
1200 (_parallel_write_queued): After an imprecise interrupt, only perform
1201 forced writes and floating point writes (for certain exceptions).
1202 * interrupts.c (handle_interrupt): Set
1203 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1204 interrupt.
1205 (frv_process_interrupts): No need to clear f_ne_flags.
1206 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1207 force them to happen even if there is an overflow exception.
1208 (frvbf_force_update): New function.
1209 * frv-sim.h (frvbf_force_update): New function.
1210 (struct frv_interrupt_state): Add imprecise_interrupt.
1211 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1212 * sem.c: Regenerate.
1213
12142000-03-23 Dave Brolley <brolley@redhat.com>
1215
1216 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1217 * registers.c (frv_spr): MCIRL -> MCILR.
1218 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1219 New function.
1220 (frv_detect_insn_access_interrupts):
1221 Call frv_queue_non_implemented_instruction_interrupt.
1222 (frv_process_interrupts): Clear accumulated NE flags.
1223 * frv.c (frvbf_media_cop): New function.
1224 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1225 the NE flag of the given target register.
1226 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1227 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1228 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1229 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1230 (frvbf_model_fr500_u_float_dual_convert): New function.
1231 * frv-sim.h (frvbf_media_cop): New function.
1232 (GET_FQ): Use H_SPR_FQST0.
1233 (SET_FQ): Use H_SPR_FQST0.
1234 (SET_FQ_OPC): Use J_SPR_FQOP0.
1235 (GET_MSR_EMCI): New macro.
1236 (frv_queue_non_implemented_instruction_interrupt): New function.
1237 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1238
12392000-03-08 Dave Brolley <brolley@redhat.com>
1240
1241 * traps.c (frv_rett): Align new_pc.
1242 * memory.c (frvbf_read_mem_HI): Align address.
1243 (frvbf_read_mem_UHI): Align address.
1244 (frvbf_read_mem_SI): Align address.
1245 (frvbf_read_mem_DI): Align address.
1246 (frvbf_read_mem_DF): Align address.
1247 (frvbf_read_imem_USI): Align address.
1248 (frvbf_mem_set_HI): Align address.
1249 (frvbf_mem_set_SI): Align address.
1250 (frvbf_mem_set_DI): Align address.
1251 (frvbf_mem_set_DF): Align address.
1252 (frvbf_mem_set_XI): Align address.
1253 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1254 (fr500_spr): Initialize FSR0.NS to 1.
1255 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1256 whether the exception is masked.
1257 * frv.c (frvbf_load_quad_GR): Align address.
1258 (frvbf_store_quad_GR): Align address.
1259 (frvbf_load_quad_FRint): Align address.
1260 (frvbf_store_quad_FRint): Align address.
1261 (frvbf_load_quad_CPR): Align address.
1262 (frvbf_store_quad_CPR): Align address.
1263 * frv-sim.h (GET_ISR_EMAM): New macro.
1264
12652000-03-08 Dave Brolley <brolley@redhat.com>
1266
1267 * traps.c (frvbf_division_exception): Check for masked overflow and
1268 set NE flags, if necessary.
1269 (frvbf_check_recovering_store): Queue writes to the hardware.
1270 (check_registers_available): Removed.
1271 (which_registers_available): Call frv_{fr,gr}_registers_available.
1272 (frvbf_clear_ne_flags): Call check_register_access.
1273 (frvbf_commit): Call check_register_access.
1274 * registers.h (frv_fr_registers_available): New function.
1275 (frv_gr_registers_available): New function.
1276 (frv_check_register_access): New function.
1277 (frv_check_gr_access): New function.
1278 (frv_check_fr_access): New function.
1279 * registers.c (frv_spr): Correct initial value of ISR.
1280 (fr500_spr): Correct initial value of ISR.
1281 (frv_fr_registers_available): New function.
1282 (frv_gr_registers_available): New function.
1283 (frv_check_register_access): New function.
1284 (frv_check_gr_access): New function.
1285 (frv_check_fr_access): New function.
1286 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1287 (set_isr_exception_fields): New function.
1288 (set_exception_status_registers): Set ISR fields for division exception.
1289 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1290 * frv.c (frvbf_h_gr_get_handler): New function.
1291 (frvbf_h_gr_set_handler): New function.
1292 (frvbf_h_fr_get_handler): New function.
1293 (frvbf_h_fr_set_handler): New function.
1294 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1295 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1296 (spr_isr_get_handler): Removed.
1297 (spr_isr_set_handler): Removed.
1298 (frvbf_signed_integer_divide): New funciton.
1299 (frvbf_unsigned_integer_divide): New funciton.
1300 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1301 (frvbf_h_gr_set_handler): New function.
1302 (frvbf_h_fr_get_handler): New function.
1303 (frvbf_h_fr_set_handler): New function.
1304 (frvbf_signed_integer_divide): New funciton.
1305 (frvbf_unsigned_integer_divide): New funciton.
1306 (frv_dtt): New enumeration.
1307 (struct frv_interrupt_queue_element): Add dtt member.
1308 (GET_ISR): New macro.
1309 (SET_ISR): New macro.
1310 (GET_ISR_EDEM): New macro.
1311 (SET_ISR_DTT): New macro.
1312 (SET_ISR_AEXC): New macro.
1313 (frvbf_division_exception): Add 2 'int' arguments.
1314 (frvbf_check_non_excepting_divide): Removed.
1315 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1316
13172000-02-29 Dave Brolley <brolley@redhat.com>
1318
1319 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1320 (frv_rett): Use hardware access macros. Write PSR as a whole.
1321 (next_available_nesr): Check that NECR is valid.
1322 (next_valid_nesr): Check that NECR is valid.
1323 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1324 call hardware access functions. Use cover macros.
1325 (check_registers_available): New function.
1326 (clear_nesr_near): Check register availability.
1327 (clear_ne_flags): Check register availability.
1328 (frvbf_clear_ne_flags): Check register availability.
1329 (frvbf_commit): Check register availability.
1330 (which_registers_available): New function.
1331 * sim-main.h (registers.h): #include it.
1332 (register_control): New cpu field.
1333 (CPU_REGISTER_CONTROL): New macro.
1334 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1335 (frv_power_on_reset): Initialize SPR registers and RSTR.
1336 (frv_hardware_reset): Initialize SPR registers and RSTR.
1337 (frv_software_reset): Reset SPR registers and RSTR.
1338 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1339 Call frv_cache_init.
1340 * mloop.in (main loop): Check for insn access interrupts before
1341 executing the insn.
1342 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1343 (frv_detect_insn_access_interrupts): Don't call hardware access
1344 functions directly. Use cover macros.
1345 (check_reset): Don't reset RSTR here.
1346 (next_available_esr): ESFR -> ESFR_FLAG.
1347 (next_available_edr): ESFR -> ESFR_FLAG.
1348 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1349 ESFR -> ESFR_FLAG.
1350 (frv_break_interrupt): Don't call hardware access functions directly.
1351 Use cover macros.
1352 (frv_program_or_software_interrupt): Ditto.
1353 (frv_external_interrupt): Ditto.
1354 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1355 (frvbf_store_register): Don't call 'set' functions directly.
1356 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1357 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1358 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1359 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1360 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1361 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1362 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1363 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1364 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1365 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1366 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1367 Support shadow registers.
1368 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1369 Support shadow registers.
1370 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1371 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1372 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1373 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1374 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1375 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1376 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1377 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1378 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1379 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1380 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1381 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1382 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1383 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1384 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1385 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1386 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1387 version 1.3a.
1388 (spr_ccr_get_handler): Don't reference the hardware directly.
1389 (spr_ccr_set_handler): Don't reference the hardware directly.
1390 (spr_cccr_get_handler): Don't reference the hardware directly.
1391 (spr_cccr_set_handler): Don't reference the hardware directly.
1392 (spr_sr_get_handler): New function.
1393 (spr_sr_set_handler): New function.
1394 (frvbf_switch_supervisor_user_context): Temporarily switch to
1395 supervisor mode.
1396 (frvbf_store_quad_GR): Don't call handler directly.
1397 (frvbf_store_quad_FRint): Don't call handler directly.
1398 (frvbf_store_quad_CPR): Don't call handler directly.
1399 (frvbf_clear_all_accumulators): Removed.
1400 (frvbf_clear_accumulators): New function.
1401 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1402 Account for in_ACCGi and out_ACCGk.
1403 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1404 (RSTR_SOFTWARE_RESET): New macro.
1405 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1406 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1407 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1408 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1409 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1410 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1411 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1412 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1413 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1414 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1415 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1416 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1417 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1418 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1419 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1420 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1421 (frvbf_clear_all_accumulators): Removed.
1422 (frvbf_clear_accumulators): New function.
1423 (GET_HSR0): Use GET_H_SPR.
1424 (SET_HSR0): Use SET_H_SPR.
1425 (CLEAR_HSR0_ICE): New macro.
1426 (CLEAR_HSR0_DCE): New macro.
1427 (GET_IHSR8): Use GET_H_SPR.
1428 (GET_PSR): New macro.
1429 (SET_PSR_ET): New macro.
1430 (GET_PSR_PS): New macro.
1431 (SET_PSR_S): New macro.
1432 (GET_ESFR): Changed to reference entire register.
1433 (SET_ESFR): Changed to reference entire register.
1434 (GET_ESFR_FLAG): New macro.
1435 (SET_ESFR_FLAG): New macro.
1436 (NECR_ELOS): Removed.
1437 (NECR_NEN): Removed.
1438 (NECR_VALID): Removed.
1439 (GET_NECR): New macro.
1440 (GET_NECR_ELOS): New macro.
1441 (GET_NECR_NEN): New macro.
1442 (GET_NECR_VALID): New macro.
1443 (NESR_RANGE): Removed.
1444 (GET_NESR): Use GET_H_SPR.
1445 (GET_NE_FLAGS): Use GET_H_SPR.
1446 * cache.h (CACHE_INITIALIZED): New macro.
1447 * Makefile.in (SIM_OBJS): Add registers.o.
1448 (SIM_EXTRA_DEPS): Add registers.h.
1449 (registers.o): New target.
1450 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1451
14522000-02-17 Dave Brolley <brolley@redhat.com>
1453
1454 * interrupts.c (frv_interrupt_table): Update priority order and handler
1455 offsets to conform to the architecture version 1.3a.
1456 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1457 to the architecture version 1.3a.
1458
14592000-02-17 Dave Brolley <brolley@redhat.com>
1460
1461 * interrupts.c (frv_interrupt_table): Update priority order and handler
1462 offsets to conform to the latest specifications.
1463 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1464 queued. New variable 'iclass' used to test for external interrupts.
1465 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1466 to the latest specifications.
1467
14682000-01-20 Dave Brolley <brolley@redhat.com>
1469
1470 * sim-if.c (sim_open): Move frv-specific initialization to
1471 frv_initialize in reset.c.
1472 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1473 status bits for hardware vs software reset.
1474 * reset.c: New file.
1475 * frv-sim.h (frv_initialize): New function.
1476 (frv_power_on_reset): New function.
1477 (frv_hardware_reset): New function.
1478 (frv_software_reset): New function.
1479 (RSTR_ADDRESS): New macro.
1480 (RSTR_INITIAL_VALUE): New macro.
1481 (GET_RSTR_HR): New macro.
1482 (GET_RSTR_SR): New macro.
1483 (SET_RSTR_H): New macro.
1484 (SET_RSTR_S): New macro.
1485 (CLEAR_RSTR_P): New macro.
1486 (CLEAR_RSTR_H): New macro.
1487 (CLEAR_RSTR_S): New macro.
1488 (CLEAR_RSTR_HR): New macro.
1489 (CLEAR_RSTR_SR): New macro.
1490
14912000-01-03 Dave Brolley <brolley@cygnus.com>
1492
1493 * mloop.in (execute): Only call modeling function if the pointer is not
1494 NULL.
1495 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1496 fr500.
1497
14982000-01-03 Dave Brolley <brolley@cygnus.com>
1499
1500 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1501 (frv_options): Add --memory-latency.
1502 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1503 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1504 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1505 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1506 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1507 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1508 (update_latencies): Only clear usage flags if the register has no
1509 target latency.
1510 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1511 not |= (or assgnment).
1512 (frvbf_model_insn_after): Print post processing wait for all insns.
1513 Update prev_acc_p1 and prev_acc_p2.
1514 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1515 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1516 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1517 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1518 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1519 (frvbf_model_fr500_u_media_quad_arith): New function.
1520 (frvbf_model_fr500_u_media_dual_mul): New function.
1521 (frvbf_model_fr500_u_media_quad_mul): New function.
1522 (frvbf_model_fr500_u_media_quad_complex): New function.
1523 (frvbf_model_fr500_u_media_dual_expand): New function.
1524 (frvbf_model_fr500_u_media_dual_unpack): New function.
1525 (frvbf_model_fr500_u_media_dual_btoh): New function.
1526 (frvbf_model_fr500_u_media_dual_htob): New function.
1527 (frvbf_model_fr500_u_media_dual_btohe): New function.
1528 (frv_ref_SI): New function.
1529 * cache.h (FRV_CACHE): Add memory_latency field.
1530 * cache.c (frv_cache_init): Initialize memory_latency.
1531 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1532
15331999-12-17 Dave Brolley <brolley@cygnus.com>
1534
1535 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1536 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1537 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1538 (OPTIONS_FRV_TIMER): New enumeration.
1539 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1540 (frv_option_handler): Override common implementation of -p. Handle
1541 --profile-cache, --profile-parallel, --timer.
1542 * mloop.in (execute): Call profiling functions if the timer interrupt
1543 is enabled.
1544 (@cpu@_simulate_insn_prefetch): New function.
1545 (main loop): Call @cpu@_simulate_insn_prefetch.
1546 * interrupts.c (frv_queue_interrupt): Don't queue two external
1547 interrupts of the same priority.
1548 (frv_queue_external_interrupt): New function.
1549 (frv_external_interrupt): New function.
1550 (handle_interrupt): Handle external interrupts.
1551 (check_reset): New function.
1552 (frv_process_interrupts): Call check_reset.
1553 * frv.c: Include "bfd.h"
1554 (frvbf_h_psr_get_handler): Set the PIL field.
1555 (frvbf_h_psr_set_handler): Get the PIL field.
1556 (DUAL_REG): New macro.
1557 (DUAL_DOUBLE): New macro.
1558 (SET_USE_IS_FPOP): New macro.
1559 (SET_USE_NOT_FPOP): New macro.
1560 (USE_IS_FPOP): New macro.
1561 (SET_USE_IS_MEDIA): New macro.
1562 (SET_USE_NOT_MEDIA): New macro.
1563 (USE_IS_MEDIA_P1): New macro.
1564 (SET_USE_IS_MEDIA_P1): New macro.
1565 (SET_USE_NOT_MEDIA_P1): New macro.
1566 (SET_USE_IS_MEDIA_P2): New macro.
1567 (SET_USE_NOT_MEDIA_P2): New macro.
1568 (USE_IS_MEDIA_P2): New macro.
1569 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1570 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1571 (ACC_USE_IS_MEDIA_P1): New macro.
1572 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1573 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1574 (ACC_USE_IS_MEDIA_P2): New macro.
1575 (RESOURCE_IDIV): New macro.
1576 (RESOURCE_FDIV): New macro.
1577 (RESOURCE_SQRT): New macro.
1578 (fr_busy_adjust): New array.
1579 (acc_busy_adjust): New array.
1580 (apply_latency_adjustments): New function.
1581 (update_latencies): New function.
1582 (handle_wait_cycles): New function.
1583 (handle_resource_wait): New function.
1584 (update_target_latencies): New function.
1585 (frvbf_model_insn_before): Add resource latency to cycle counts.
1586 (frvbf_model_insn_after): Add resource latency to cycle counts.
1587 (update_GR_latency): New function.
1588 (update_GRdouble_latency): New function.
1589 (update_FR_latency): New function.
1590 (update_FRdouble_latency): New function.
1591 (decrease_ACC_busy): New function.
1592 (decrease_FR_busy): New function.
1593 (increase_FR_busy): New function.
1594 (update_ACC_latency): New function.
1595 (update_CCR_latency): New function.
1596 (update_idiv_resource_latency): New function.
1597 (update_fdiv_resource_latency): New function.
1598 (update_fsqrt_resource_latency): New function.
1599 (vliw_wait_for_GR): New function.
1600 (vliw_wait_for_GRdouble): New function.
1601 (vliw_wait_for_FR): New function.
1602 (vliw_wait_for_FRdouble): New function.
1603 (vliw_wait_for_CCR): New function.
1604 (vliw_wait_for_ACC): New function.
1605 (vliw_wait_for_idiv_resource): New function.
1606 (vliw_wait_for_fdiv_resource): New function.
1607 (vliw_wait_for_fsqrt_resource): New function.
1608 (enforce_full_fr_latency): New function.
1609 (frvbf_model_fr500_u_exec): New function.
1610 (frvbf_model_fr500_u_integer): New function.
1611 (frvbf_model_fr500_u_imul): New function.
1612 (frvbf_model_fr500_u_idiv): New function.
1613 (frvbf_model_fr500_u_branch): New function.
1614 (frvbf_model_fr500_u_set_hilo): New function.
1615 (frvbf_model_fr500_u_gr_load_store): New function.
1616 (frvbf_model_fr500_u_fr_load_store): New function.
1617 (frvbf_model_fr500_u_swap): New function.
1618 (frvbf_model_fr500_u_fr2fr): New function.
1619 (frvbf_model_fr500_u_fr2gr): New function.
1620 (frvbf_model_fr500_u_spr2gr): New function.
1621 (frvbf_model_fr500_u_gr2fr): New function.
1622 (frvbf_model_fr500_u_gr2spr): New function.
1623 (post_wait_for_FR): New function.
1624 (post_wait_for_FRdouble): New function.
1625 (post_wait_for_ACC): New function.
1626 (post_wait_for_CCR): New function.
1627 (post_wait_for_fdiv): New function.
1628 (post_wait_for_fsqrt): New function.
1629 (adjust_float_register_busy): New function.
1630 (adjust_double_register_busy): New function.
1631 (restore_float_register_busy): New function.
1632 (restore_double_register_busy): New function.
1633 (frvbf_model_fr500_u_float_arith): New function.
1634 (frvbf_model_fr500_u_float_dual_arith): New function.
1635 (frvbf_model_fr500_u_float_div): New function.
1636 (frvbf_model_fr500_u_float_sqrt): New function.
1637 (frvbf_model_fr500_u_float_compare): New function.
1638 (frvbf_model_fr500_u_float_dual_compare): New function.
1639 (frvbf_model_fr500_u_float_convert): New function.
1640 (frvbf_model_fr500_u_media): New function.
1641 (frvbf_model_fr500_u_barrier): New function.
1642 (frvbf_model_fr500_u_membar): New function.
1643 * frv-sim.h (LEUINT): New macro.
1644 (GET_HSR0_SA): New macro.
1645 (struct frv_interrupt_timer): New struct.
1646 (struct frv_interrupt_state): Add timer fiield.
1647 (frv_queue_external_interrupt): New function.
1648 (frv_external_interrupt): New function.
1649 (frv_profile_info): New function.
1650 (PROFILE_CACHE_IDX): New enumerator.
1651 (PROFILE_PARALLEL_IDX): New enumerator.
1652 (PROFILE_cache): New macro.
1653 (PROFILE_parallel): New macro.
1654 (WITH_PROFILE_CACHE_P): New macro.
1655 (WITH_PROFILE_PARALLEL_P): New macro.
1656 * cache.h (FRV_CACHE): Add last_was_hit field.
1657 * cache.c (get_tag): Use new last_was_hit field.
1658 (frv_cache_read): Ditto.
1659 (frv_cache_write): Ditto.
1660 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1661
16621999-12-13 Dave Brolley <brolley@cygnus.com>
1663
1664 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1665 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1666 sim_queue_fn_di_write.
1667 (frvbf_media_cut_ss): New function.
1668 * frv-sim.h (frvbf_media_cut_ss): New function.
1669 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1670
16711999-12-13 Dave Brolley <brolley@cygnus.com>
1672
1673 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1674 no constraints.
1675 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1676 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1677 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1678 FRV_IS_MEDIA_INSN.
1679 * frv.c (frvbf_model_simple_u_exec): New function.
1680 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1681 (FRV_IS_MEDIA_INSN): Range includes M-8.
1682
1683 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1684 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1685 Regenerate.
1686
16871999-12-10 Dave Brolley <brolley@cygnus.com>
1688
1689 * traps.c (check_registers_available): New function.
1690 (clear_ne_flags): Generate register_exception if register(s) not
1691 available.
1692 (frvbf_commit): Generate register_exception if register(s) not
1693 available.
1694 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1695 GR4-GR7 to SR0-SR4.
1696 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1697 PSR.ESR.
1698 (frvbf_h_psr_s_set_handler): New function.
1699 (frvbf_h_psr_esr_set_handler): New function.
1700 (frvbf_switch_supervisor_user_context): New function.
1701 (frvbf_scan_result): Reflect latest ISA.
1702 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1703 (frvbf_h_psr_esr_set_handler): New function.
1704 (frvbf_switch_supervisor_user_context): New function.
1705 (GET_HSR0_FRN): New Macro.
1706 (GET_HSR0_GRN): New Macro.
1707 (GET_HSR0_FRHE): New Macro.
1708 (GET_HSR0_FRLE): New Macro.
1709 (GET_HSR0_GRHE): New Macro.
1710 (GET_HSR0_GRLE): New Macro.
1711 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1712 (GET_ESFR): New bit ordering.
1713 (SET_ESFR): New bit ordering.
1714 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1715
17161999-12-10 Michael Meissner <meissner@cygnus.com>
1717
1718 * Makefile.in (sim-if.o): Add eng.h dependency.
1719
17201999-12-09 Dave Brolley <brolley@cygnus.com>
1721
1722 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1723 Pass sc->last_insn_p to @cpu@_model_insn_before.
1724 (main loop): Compute sc->first_insn_p.
1725 * frv.c (frvbf_model_insn_before): Set state variables.
1726 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1727 (frvbf_model_fr500_u_integer): Remove.
1728 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1729
17301999-12-07 Dave Brolley <brolley@cygnus.com>
1731
1732 * sim-main.h (cache.h): Include it.
1733 (insn_cache): New member.
1734 (data_cache): New member.
1735 (CPU_INSN_CACHE): New macro.
1736 (CPU_DATA_CACHE): New macro.
1737 * sim-if.c (WANT_CPU): New macro.
1738 (WANT_CPU_FRVBF): New macro.
1739 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1740 data and insn caches for each cpu.
1741 (sim_close): Call frv_cache_term for the insn and data caches of each
1742 cpu.
1743 * mloop.in (extract): Read insn from the cache.
1744 (main loop): Access the insn cache in order to maintain stats.
1745 * memory.c (data_non_cache_access): New function.
1746 (insn_non_cache_access): New function.
1747 (frvbf_read_mem_QI): Attempt to read from the cache first.
1748 (frvbf_read_mem_UQI): Ditto.
1749 (frvbf_read_mem_HI): Ditto.
1750 (frvbf_read_mem_UHI): Ditto.
1751 (frvbf_read_mem_SI): Ditto.
1752 (frvbf_read_mem_DI): Ditto.
1753 (frvbf_read_mem_DF): Ditto.
1754 (frvbf_read_imem_USI): New function.
1755 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1756 (frvbf_write_mem_UQI): Ditto.
1757 (frvbf_write_mem_HI): Ditto.
1758 (frvbf_write_mem_UHI): Ditto.
1759 (frvbf_write_mem_SI): Ditto.
1760 (frvbf_write_mem_DI): Ditto.
1761 (frvbf_write_mem_DF): Ditto.
1762 (frvbf_mem_set_QI): New function.
1763 (frvbf_mem_set_HI): New function.
1764 (frvbf_mem_set_SI): New function.
1765 (frvbf_mem_set_DI): New function.
1766 (frvbf_mem_set_DF): New function.
1767 (frvbf_mem_set_XI): New function.
1768 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1769 CGEN_FN_MEM_QI_WRITE,
1770 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1771 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1772 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1773 Call sim_queue_fn_mem_xi_write.
1774 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1775 Call sim_queue_fn_mem_xi_write.
1776 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1777 Call sim_queue_fn_mem_xi_write.
1778 (frvbf_insn_cache_preload): New function.
1779 (frvbf_data_cache_preload): New function.
1780 (frvbf_insn_cache_unlock): New function.
1781 (frvbf_data_cache_unlock): New function.
1782 (frvbf_insn_cache_invalidate): New function.
1783 (frvbf_data_cache_invalidate): New function.
1784 (frvbf_data_cache_flush): New function.
1785 * frv-sim.h (sim-options.h): Include it.
1786 (GET_HSR0): New macro.
1787 (SET_HSR0): New macro.
1788 (GET_HSR0_ICE): New macro.
1789 (SET_HSR0_ICE): New macro.
1790 (GET_HSR0_DCE): New macro.
1791 (SET_HSR0_DCE): New macro.
1792 (GET_HSR0_CBM): New macro.
1793 (GET_HSR0_RME): New macro.
1794 (GET_IHSR8): New macro.
1795 (GET_IHSR8_NBC): New macro.
1796 (frvbf_insn_cache_preload): New function.
1797 (frvbf_data_cache_preload): New function.
1798 (frvbf_insn_cache_unlock): New function.
1799 (frvbf_data_cache_unlock): New function.
1800 (frvbf_insn_cache_invalidate): New function.
1801 (frvbf_data_cache_invalidate): New function.
1802 (frvbf_data_cache_flush): New function.
1803 (insn_non_cache_access): New function.
1804 (frvbf_read_imem_USI): New function.
1805 (frvbf_mem_set_QI): New function.
1806 (frvbf_mem_set_HI): New function.
1807 (frvbf_mem_set_SI): New function.
1808 (frvbf_mem_set_DI): New function.
1809 (frvbf_mem_set_DF): New function.
1810 (frvbf_mem_set_XI): New function.
1811 (frv_options): FRV specific command line options.
1812 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1813 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1814 (cache.o): New target.
1815 (options.o): New target.
1816 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1817 * cache.h: New file.
1818 * cache.c: New file.
1819 * options.c: New file.
1820
18211999-11-29 Dave Brolley <brolley@cygnus.com>
1822
1823 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1824 (frvbf_check_non_excepting_divide): Ditto.
1825 (clear_ne_flags): Ditto
1826 (frvbf_commit): Ditto.
1827 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1828 * mloop.in (_parallel_write_init): Clear NE flags here.
1829 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1830 for non excepting insns. Also check for masked interrupts here.
1831 (frv_process_interrupts): Write NE flags here.
1832 (set_fp_exception_registers): No longer check for masked interrupts
1833 here.
1834 (check_for_compound_interrupt): No need to worry about masked
1835 interrupts.
1836 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1837 (GET_NE_FLAGS): New macro.
1838 (SET_NE_FLAGS): New macro.
1839 (GET_NE_FLAG): Operate on accumulated argument.
1840 (SET_NE_FLAG): Operate on accumulated argument.
1841 (CLEAR_NE_FLAG): Operate on accumulated argument.
1842 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1843 (frv.o): Correct dependencies.
1844 (traps.o): Ditto.
1845 (pipeline.o): Ditto.
1846 (interrupts.o): Ditto.
1847 (memory.o): Ditto.
1848 * sem.c: Regenerate.
1849
18501999-11-26 Dave Brolley <brolley@cygnus.com>
1851
1852 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1853 there is an exception indicated in the mask.
1854 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1855 state when adding a floating point insn to the pipeline.
1856 * interrupts.c (set_fp_exception_registers): Set NE flag for
1857 non-excepting insns.
1858 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1859 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1860 (frvbf_h_fr_int_get_handler): New function.
1861 (frvbf_h_fr_int_set_handler): New function.
1862 (frvbf_set_ne_index): New function.
1863 (NE_NOFLAG): New macro.
1864 (frv_interrupt_state): Add ne_index member.
1865 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1866 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1867 (frvbf_h_fr_int_get_handler): New function.
1868 (frvbf_h_fr_int_set_handler): New function.
1869 (frvbf_set_ne_index): New function.
1870 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1871
18721999-11-24 Dave Brolley <brolley@cygnus.com>
1873
1874 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1875
18761999-11-23 Dave Brolley <brolley@cygnus.com>
1877
1878 * frv-sim.h (frvbf_media_cut): New function.
1879 * frv.c (frvbf_media_cut): New function.
1880 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1881
18821999-11-22 Dave Brolley <brolley@cygnus.com>
1883
1884 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1885 * frv.c.h (frvbf_clear_all_accumulators): New function.
1886 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1887
18881999-11-18 Dave Brolley <brolley@cygnus.com>
1889
1890 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1891 if this is the first insn of its class in the pipeline.
1892 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1893 * traps.c (frvbf_media_register_not_aligned): New function.
1894 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1895
18961999-11-17 Dave Brolley <brolley@cygnus.com>
1897
1898 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1899 * frv-sim.h (OR_MSR_SIE): New macro.
1900 (CLEAR_MSR_SIE): New macro.
1901 (frvbf_media_overflow): Now takes sie argument.
1902 (frv_set_mp_exception_registers): Now takes sie argument.
1903 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1904 Set MSRx.SIE field.
1905 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1906
19071999-11-15 Dave Brolley <brolley@cygnus.com>
1908
1909 * traps.c (frv_mtrap): New function.
1910 (frvbf_media_cr_not_aligned): New function.
1911 (frvbf_media_acc_not_aligned): New function.
1912 (frvbf_media_overflow): New function.
1913 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1914 * interrupts.c: Call frv_set_mp_exception_registers.
1915 (frv_set_mp_exception_registers): New function.
1916 * frv-sim.h (frv_msr_mtt): New enumeration.
1917 (GET_MSR): New macro.
1918 (SET_MSR): New macro.
1919 (GET_MSR_AOVF): New macro.
1920 (SET_MSR_AOVF): New macro.
1921 (GET_MSR_OVF): New macro.
1922 (SET_MSR_OVF): New macro.
1923 (CLEAR_MSR_OVF): New macro.
1924 (GET_MSR_MTT): New macro.
1925 (SET_MSR_MTT): New macro.
1926 (frv_set_mp_exception_registers): New function.
1927 (frv_mtrap): New function.
1928 (FRV_IS_MEDIA_INSN): New macro.
1929 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1930
19311999-11-10 Dave Brolley <brolley@cygnus.com>
1932
1933 * sim-main.h (_sim_cpu): Add debug_state member.
1934 * mloop.in (_parallel_write_queued): Clear data_written.length.
1935 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1936 handler is 0xff.
1937 (frv_queue_break_interrupt): New function.
1938 (frv_break_interrupt): New function.
1939 (handle_interrupt): Handle break_interrupt.
1940 (frv_non_operating_interrupt): Now takes interrupt_kind.
1941 * frv-sim.h (frv_queue_break_interrupt): New function.
1942 (frv_break_interrupt): New function.
1943 (frv_break): New function.
1944 (frv_non_operating_interrupt): Now takes interrupt_kind.
1945 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1946
19471999-11-09 Dave Brolley <brolley@cygnus.com>
1948
1949 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1950 a floating point insn.
1951 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1952 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1953 frv_queue_fp_exception_interrupt.
1954 (frv_queue_fp_exception_interrupt): New function.
1955 (next_available_fq): New function.
1956 (set_fp_exception_registers): New function.
1957 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1958 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1959 (frv_program_interrupt): Don't process interrupt if it is masked.
1960 * frv.c (frvbf_h_fr_double_get_handler): Call
1961 frv_queue_fp_exception_interrupt.
1962 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1963 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1964 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1965 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1966 (frv_fp_exception_info): New struct type.
1967 (frv_interrupt_queue_element): Add fp_info member.
1968 (frv_fsr_traps): New enumeration.
1969 (frv_fsr_ftt): New enumeration.
1970 (frv_sie): New enumeration.
1971 (frv_miv): New enumeration.
1972 (GET_FSR): New macro.
1973 (SET_FSR): New macro.
1974 (GET_FSR_TEM): New macro.
1975 (SET_FSR_QNE): New macro.
1976 (SET_FSR_FTT): New macro.
1977 (GET_FSR_AEXC): New macro.
1978 (SET_FSR_AEXC): New macro.
1979 (GET_FQ): New macro.
1980 (SET_FQ): New macro.
1981 (SET_FQ_OPC): New macro.
1982 (SET_FQ_MIV): New macro.
1983 (SET_FQ_SIE): New macro.
1984 (SET_FQ_FTT): New macro.
1985 (SET_FQ_CEXC): New macro.
1986 (GET_FQ_VALID): New macro.
1987 (SET_FQ_VALID): New macro.
1988 (frv_queue_fp_exception_interrupt): New function.
1989 (FRV_IS_FLOAT_INSN): New macro.
1990
19911999-11-04 Dave Brolley <brolley@cygnus.com>
1992
1993 * traps.c (frvbf_fpu_error): No floating point errors need to be
1994 detected.
1995 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1996 of the ESR registers too.
1997 (set_exception_status_registers): Don't set EAR for any precise
1998 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1999 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
2000 (non_operating_interrupt): No need for return code.
2001 (frv_program_or_software_interrupt): Process interrupt regardless
2002 of operating mode. If PSR.ET was not set at the start of processing,
2003 then stop the simulation with a message.
2004 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
2005 CGEN_MEM_XI_WRITE.
2006 * frv.c (frvbf_h_gr_quad_set_handler): New function.
2007 (frvbf_h_fr_quad_set_handler): New function.
2008 (frvbf_h_cpr_quad_set_handler): New function.
2009 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
2010 sim_queue_fn_xi_write.
2011 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
2012 sim_queue_fn_xi_write.
2013 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
2014 sim_queue_fn_xi_write.
2015 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
2016 sim_queue_mem_xi_write.
2017 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
2018 sim_queue_mem_xi_write.
2019 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
2020 sim_queue_mem_xi_write.
2021 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
2022 (frvbf_h_fr_quad_set_handler): New function.
2023 (frvbf_h_cpr_quad_set_handler): New function.
2024 (SET_ESR_VALID): New macro.
2025 (CLEAR_ESR_VALID): New macro.
2026 (CLEAR_ESR_EAV): New macro.
2027 (CLEAR_ESR_EDV): New macro.
2028 * sem.c: Regenerate.
2029
20301999-11-02 Dave Brolley <brolley@cygnus.com>
2031
2032 * traps.c (frv_core_signal): Call
2033 frv_queue_mem_address_not_aligned_interrupt.
2034 * mloop.in (_parallel_write_queued): Call
2035 frv_save_data_written_for_interrupts.
2036 * frv.c (frvbf_h_gr_double_get_handler): Call
2037 frv_queue_register_exception_interrupt.
2038 (frvbf_h_cpr_double_get_handler): Call
2039 frv_queue_register_exception_interrupt.
2040 (frvbf_h_cpr_double_set_handler): Call
2041 frv_queue_register_exception_interrupt.
2042 (frvbf_load_multiple_GR): Call
2043 frv_queue_register_exception_interrupt.
2044 (frvbf_store_multiple_GR): Call
2045 frv_queue_register_exception_interrupt.
2046 (frvbf_load_multiple_CPR): Call
2047 frv_queue_register_exception_interrupt.
2048 (frvbf_store_multiple_CPR): Call
2049 frv_queue_register_exception_interrupt.
2050 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
2051 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
2052 queue element.
2053 (frv_queue_program_interrupt): Now returns interrupt queue element.
2054 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
2055 element.
2056 (frv_queue_interrupt): Now returns interrupt queue element.
2057 (frv_queue_register_exception_interrupt): New function.
2058 (frv_queue_mem_address_not_aligned_interrupt): New function.
2059 (frv_save_data_written_for_interrupts): New function.
2060 (next_available_edr): EDR registers available in blocks of 4.
2061 (clear_exception_status_registers): New function.
2062 (set_exception_status_registers): Pass esr to SET_ESR* macros.
2063
2064 * frv-sim.h (struct frv_data_written): New struct type.
2065 (frv_interrupt_queue_element): Add data_written member.
2066 (frv_queue_software_interrupt): Now returns interrupt queue element.
2067 (frv_queue_program_interrupt): Now returns interrupt queue element.
2068 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
2069 element.
2070 (frv_queue_interrupt): Now returns interrupt queue element.
2071 (frv_queue_register_exception_interrupt): New function.
2072 (frv_queue_mem_address_not_aligned_interrupt): New function.
2073 (frv_save_data_written_for_interrupts): New function.
2074
20751999-10-27 Dave Brolley <brolley@cygnus.com>
2076
2077 * interrupts.c (ITABLE_ENTRY): New macro.
2078 (frv_interrupt_table): Add exception codes.
2079 (next_available_esr): New function.
2080 (next_available_edr): New function.
2081 (set_edr_register): New function.
2082 (set_exception_status_registers): New function.
2083 (check_for_compound_interrupt): Record information on all interrupts
2084 found.
2085 (frv_program_interrupt): Always call check_for_compound_interrupt.
2086 * frv.c (frvbf_h_pc_set_handler): Removed.
2087 (frvbf_h_spr_get_handler): Handle LR register.
2088 (frvbf_h_spr_set_handler): Handle LR register.
2089 (frvbf_h_lr_get_handler): New function.
2090 (frvbf_h_lr_set_handler): New function.
2091 * frv-sim.h (frvbf_h_lr_get_handler): New function.
2092 (frvbf_h_lr_set_handler): New function.
2093 (frv_ec): New enumeration.
2094 (frv_interrupt): Add frv_ec field.
2095 (frv_rec): New enumeration.
2096 (frv_daec): New enumeration.
2097 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
2098 (SET_ESR_EC): New macro.
2099 (SET_ESR_REC): New macro.
2100 (SET_ESR_IAEC): New macro.
2101 (SET_ESR_DAEC): New macro.
2102 (SET_ESR_EAV): New macro.
2103 (GET_ESR_EDV): New macro.
2104 (SET_ESR_EDV): New macro.
2105 (GET_ESR_EDN): New macro.
2106 (SET_ESR_EDN): New macro.
2107 (GET_ESR): New macro.
2108 (SET_ESR): New macro.
2109 (SET_EPCR): New macro.
2110 (SET_EAR): New macro.
2111 (SET_EDR): New macro.
2112 (GET_ESFR): New macro.
2113 (SET_ESFR): New macro.
2114 * cpu.c,cpu.h,sem.c: Rebuild.
2115
21161999-10-26 Dave Brolley <brolley@cygnus.com>
2117
2118 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
2119 if mach is frv.
2120 (clear_nesr_neear): Only execute if mach is frv.
2121
21221999-10-22 Dave Brolley <brolley@cygnus.com>
2123
2124 * sim-main.h (sim_cpu): Add pipeline.
2125 (CPU_PIPELINE): New macro.
2126 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2127 (main loop): Maintain pc in cpu.
2128 * frv-sim.h (frv_queue_software_interrupt): New interface.
2129 (frv_queue_program_interrupt): New interface.
2130 (frv_queue_illegal_instruction_interrupt: New interface.
2131 (frv_queue_interrupt): New interface.
2132 (frv_detect_insn_access_interrupts): New interface.
2133 (frv_process_interrupts): New interface.
2134 (frv_program_interrupt): New interface.
2135 (frv_software_interrupt): New interface.
2136 (frv_program_or_software_interrupt): New interface.
2137 (FRV_PIPELINE): Moved from pipline.c.
2138 (frv_pipeline_reset): New interface.
2139 (frv_pipeline_add_insn): New interface.
2140 * interrupts.c (frv_queue_software_interrupt): New interface.
2141 (frv_queue_program_interrupt): New interface.
2142 (frv_queue_illegal_instruction_interrupt: New interface.
2143 (frv_queue_interrupt): New interface.
2144 (frv_detect_insn_access_interrupts): New interface.
2145 (frv_process_interrupts): New interface.
2146 (frv_program_interrupt): New interface.
2147 (frv_software_interrupt): New interface.
2148 (frv_program_or_software_interrupt): New interface.
2149 * frv.c: Use new interfaces.
2150 * pipeline.c: Use new interfaces.
2151 * traps.c: Use new interfaces.
2152 * memory.c: Use new interfaces.
2153 (frv_address_forbidden): No longer static.
2154
21551999-10-19 Dave Brolley <brolley@cygnus.com>
2156
2157 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2158 NESR.EC.
2159 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2160 * frv.c (frvbf_h_pc_set_handler): New function.
2161 * interrupts.c (frv_detect_data_interrupt): Removed.
2162 (address_forbidden): Removed.
2163 * frv-sim.h (frv_detect_data_interrupt): Removed.
2164 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2165 (NESR_REGISTER_NOT_ALIGNED): New macro.
2166 (NESR_UQI_SIZE): New macro.
2167 (NESR_QI_SIZE): New macro.
2168 (NESR_UHI_SIZE): New macro.
2169 (NESR_HI_SIZE): New macro.
2170 (NESR_SI_SIZE): New macro.
2171 (NESR_DI_SIZE): New macro.
2172 (NESR_XI_SIZE): New macro.
2173 (GET_NESR_DAEC): New macro.
2174 (SET_NESR_DAEC): New macro.
2175 (GET_NESR_REC): New macro.
2176 (SET_NESR_REC): New macro.
2177 (GET_NESR_EC): New macro.
2178 (SET_NESR_EC): New macro.
2179 (frvbf_read_mem_QI): New function.
2180 (frvbf_read_mem_UQI): New function.
2181 (frvbf_read_mem_HI): New function.
2182 (frvbf_read_mem_UHI): New function.
2183 (frvbf_read_mem_SI): New function.
2184 (frvbf_read_mem_WI): New function.
2185 (frvbf_read_mem_DI): New function.
2186 (frvbf_read_mem_DF): New function.
2187 (frvbf_write_mem_QI): New function.
2188 (frvbf_write_mem_UQI): New function.
2189 (frvbf_write_mem_HI): New function.
2190 (frvbf_write_mem_UHI): New function.
2191 (frvbf_write_mem_SI): New function.
2192 (frvbf_write_mem_WI): New function.
2193 (frvbf_write_mem_DI): New function.
2194 (frvbf_write_mem_DF): New function.
2195 * Makefile.in (SIM_OBJS): Add memory.o.
2196 * cpu.c,cpu.h,sem.c: Rebuild.
2197
21981999-10-18 Dave Brolley <brolley@cygnus.com>
2199
2200 * sim-if.c (sim_open): Use a real fpu error function.
2201 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2202 * mloop.in (_parallel_write_queued): Clear queue after writing.
2203 * interrupts.c (check_for_compound_interrupt): New function.
2204 (non_operating_interrupt): New function.
2205 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2206 (frvbf_h_gr_double_set_handler): New function.
2207 (frvbf_h_fr_double_get_handler): New function.
2208 (frvbf_h_fr_double_set_handler): New function.
2209 (frvbf_h_cpr_double_get_handler): New function.
2210 (frvbf_h_cpr_double_set_handler): New function.
2211 (frv_interrupt_queue_element): New struct type.
2212 (frv_queue_program_interrupt): Now takes pc.
2213 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2214 (frv_queue_interrupt): Now takes pc.
2215 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2216 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2217 (frvbf_division_exception): New function.
2218 (frvbf_fpu_error): New function.
2219 (frvbf_load_multiple_GR): New function.
2220 (frvbf_load_multiple_FR): New function.
2221 (frvbf_load_multiple_CPR): New function.
2222 * frv.c (frvbf_h_gr_double_get_handler): New function.
2223 (frvbf_h_gr_double_set_handler): New function.
2224 (frvbf_h_fr_double_get_handler): New function.
2225 (frvbf_h_fr_double_set_handler): New function.
2226 (frvbf_h_cpr_double_get_handler): New function.
2227 (frvbf_h_cpr_double_set_handler): New function.
2228 (frv_interrupt_queue_element): New struct type.
2229 (frv_queue_program_interrupt): Now takes pc.
2230 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2231 (frv_queue_interrupt): Now takes pc.
2232 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2233 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2234 (frvbf_fpu_error): New function.
2235 (frvbf_load_multiple_GR): New function.
2236 (frvbf_load_multiple_FR): New function.
2237 (frvbf_load_multiple_CPR): New function.
2238 * traps.c (frvbf_division_exception): New function.
2239 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2240
22411999-10-12 Dave Brolley <brolley@cygnus.com>
2242
2243 * mloop.in (new_vpc): New variable.
2244 (main loop): Call frv_detect_insn_access_interrupts. Call
2245 frv_detect_data_interrupts.
2246 * interrupts.c (access_queued_to): New function.
2247 (frv_detect_data_interrupts): New function.
2248 (frv_detect_insn_access_interrupts): New function.
2249 (frv_program_or_software_interrupt): Set PSR.S.
2250 * frv-sim.h (frv_detect_data_interrupts): New function.
2251 (frv_detect_insn_interrupts): New function.
2252
22531999-10-07 Dave Brolley <brolley@cygnus.com>
2254
2255 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2256 (frvbf_h_gr_hi_set_handler): New function.
2257 (frvbf_h_gr_lo_get_handler): New function.
2258 (frvbf_h_gr_lo.set_handler): New function.
2259 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2260 (frvbf_h_gr_hi_set_handler): New function.
2261 (frvbf_h_gr_lo_get_handler): New function.
2262 (frvbf_h_gr_lo.set_handler): New function.
2263 (frvbf_model_fr500_u_integer): New function.
2264 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2265
22661999-10-04 Dave Brolley <brolley@cygnus.com>
2267
2268 * traps.c: Use sim_engine_abort.
2269 * pipeline.c (frv_pipeline): Add field for insn major.
2270 (add_next_to_pipe): Return address of matching pipeline.
2271 (find_major_in_pipeline): New function.
2272 (check_insn_major_constraints: New function.
2273 (frv_pipeline_add_insn): Add checks for insn major constraints.
2274 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2275 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2276
2277Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2278
2279 * pipeline.c: New file.
2280 * mloop.in (main loop): Call frv_pipeline_reset.
2281 Call frv_pipeline_add_insn.
2282 * frv-sim.h (frv_pipeline_reset): New function.
2283 (frv_pipeline_add_insn): New function.
2284 * Makefile.in (SIM_OBJS): Add pipeline.o
2285
22861999-09-29 Doug Evans <devans@casey.cygnus.com>
2287
2288 * sem.c: Rebuild.
2289 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2290 result to SEM_PC. Return vpc.
2291
2292Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2293
2294 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2295 (frv_queue_interrupt): Don't detect identical interrupts here.
2296
2297Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2298
2299 * interrupts.c: New file.
2300 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2301 (frv_software_interrupt): Moved to interrupts.c.
2302 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2303 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2304 (@cpu@_perform_writeback): New function.
2305 (main loop): Call frv_process_interrupts.
2306 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2307 (frv_itrap): New interface.
2308 (frv_interrupt_class): New enumeration.
2309 (frv_interrupt_kind): New enumeration.
2310 (struct frv_interrupt): New struct type.
2311 (frv_interrupt_table): New table of interrupt information.
2312 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2313 (struct frv_interrupt_state): New struct type.
2314 (frv_interrupt_state): New global variable.
2315 (previous_vliw_pc): New global variable.
2316 (frv_queue_software_interrupt): New function.
2317 (frv_queue_program_interrupt): New function.
2318 (frv_queue_interrupt): New function.
2319 (frv_process_interrupts): New function.
2320 (frv_program_interrupt): New function.
2321 (frv_software_interrupt): New function.
2322 (frv_program_or_software_interrupt): New function.
2323 (frv_clear_interrupt_classes): New function.
2324 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2325 * Makefile.in (SIM_OBJS): Add interrupts.o
2326 * sem.c: Rebuild.
2327
23281999-09-25 Doug Evans <devans@casey.cygnus.com>
2329
2330 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2331
2332Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2333
2334 * mloop.in (main loop): Determine last insn from scache entry.
2335 * cpu.h: Rebuild.
2336 * cpuall.h: Rebuild.
2337
2338Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2339
2340 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2341 (NECR_ELOS): Define as unshifted value.
2342 (NECR_NEN): Define as unshifted value.
2343 (NECR_VALID): Define as unshifted value.
2344 (SET_NESR): Rewite to use post-write queue.
2345 (SET_NESR_VALID): Rewite to operate on argument.
2346 (SET_NESR_EAV): Rewite to operate on argument.
2347 (SET_NESR_FR): Rewite to operate on argument.
2348 (CLEAR_NESR_FR): Rewite to operate on argument.
2349 (SET_NESR_DRN): Rewite to operate on argument.
2350 (SET_NESR_SIZE): Rewite to operate on argument.
2351 (SET_NESR_NEAN): Rewite to operate on argument.
2352 (SET_NEEAR): Rewite to use post-write queue.
2353 (SET_NE_FLAG): Rewite to use post-write queue.
2354 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2355 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2356 (frv_rett): Rewite to use post-write queue.
2357 (next_available_nesr): Rewrite to use new macro interfaces.
2358 (next_valid_nesr): Ditto.
2359 (frvbf_check_non_excepting_load): Ditto.
2360 (frvbf_check_recovering_store): Ditto.
2361 (clear_nesr_neear): Ditto.
2362 (clear_ne_flags): Ditto.
2363 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2364 when flag is set.
2365 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2366 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2367 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2368 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2369 * Makefile.in (frv.o): Depend on cgen-par.h.
2370
2371Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2372
2373 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2374 (frvbf_write_next_vliw_addr_to_LR): New flag.
2375 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2376 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2377 address of the next VLIW insn if flag is set.
2378 * cpu.h,decode.c,sem.c: Rebuild.
2379
2380Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2381
2382 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2383 * sem.c: Rebuild.
2384
23851999-09-02 Doug Evans <devans@casey.cygnus.com>
2386
2387 * configure: Regenerated to track ../common/aclocal.m4 changes.
2388
23891999-09-01 Doug Evans <devans@casey.cygnus.com>
2390
2391 * decode.c: Rebuild.
2392
2393Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2394
2395 * traps.c (frv_rett): New function.
2396 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2397 (frvbf_h_spr_set_handler): Handle bpsr.
2398 (frvbf_h_bpsr_get_handler): New function.
2399 (frvbf_h_bpsr_set_handler): New function.
2400 * frv-sim.h (frv_rett): New function.
2401 (frvbf_h_bpsr_get_handler): New function.
2402 (frvbf_h_bpsr_set_handler): New function.
2403 * mloop.in: Read actual packing bit.
2404 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2405
2406Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2407
2408 * traps.c (WANT_CPU): New macro.
2409 (WANT_CPU_FRVBF): New macro.
2410 (frvbf_check_recovering_store): Use registers for source and queue
2411 writes.
2412 * mloop.in: New main loop for parallel support.
2413 (@cpu@_parallel_write_init): New function.
2414 (@cpu@_parallel_write_queued): New function.
2415 * frv-sim.h (set_icc_for_shift_left): New interface.
2416 (set_icc_for_shift_right): New interface.
2417 (frvbf_check_recovering_store): New interface.
2418 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2419 (set_icc_for_shift_right): Pass and return icc value.
2420 (frvbf_check_recovering_store): New interface.
2421 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2422 (stamp-mloop): Add cgen parallel options.
2423 (stamp-arch): Remove with-profile option.
2424 (stamp-cpu): Add cgen parallel options.
2425 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2426
24271999-08-28 Doug Evans <devans@casey.cygnus.com>
2428
2429 * cpu.h,decode.c,sem.c: Rebuild.
2430
2431Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2432
2433 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2434
2435Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2436
2437 * configure.in: fr500 now the default model.
2438 * configure: Regenerate.
2439 * frv.c: Change frv-1 to frv-gen.
2440 (frvbf_model_fr500_u_exec): New function.
2441 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2442 * mloop.in: Fix typos in comments.
2443 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2444
24451999-08-17 Dave Brolley <brolley@cygnus.com>
2446
2447 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2448
24491999-08-09 Doug Evans <devans@casey.cygnus.com>
2450
2451 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2452
24531999-08-04 Doug Evans <devans@casey.cygnus.com>
2454
2455 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2456
2457Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2458
2459 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2460 (frvbf_store_register): Use GDB register number macros.
2461 (frvbf_cut): New function.
2462 * frv-sim.h (GR_REGNUM_MAX): New macro.
2463 (FR_REGNUM_MAX): New macro.
2464 (PC_REGNUM): New macro.
2465 (LR_REGNUM): New macro.
2466 (frvbf_cut): New function.
2467 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2468
24691999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2470
2471 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2472 add default for unhandled registers.
2473 (frvbf_store_register): Add ability to set LR register.
2474
24751999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2476
2477 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2478 (decode_gdb_dr_regnum): Remove, not used.
2479
24801999-07-13 Michael Meissner <meissner@cygnus.com>
2481
2482 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2483
2484 * configure.in (--enable-sim-trapdump): New switch to make unknown
2485 traps dump the register contents, instead of doing the trap thing.
2486 * configure: Regenerate.
2487
2488 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2489 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2490 temporarily.
2491
2492 * traps.h (toplevel): Include bfd.h, libiberity.h.
2493 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2494 dumping the registers.
2495
2496Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2497
2498 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2499
2500Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2501
2502 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2503
2504Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2505
2506 * frv.c (frvbf_square_root_SF): Removed.
2507 (frvbf_square_root_DF): Removed.
2508 (frvbf_h_fr_double_get_handler): Removed.
2509 (frvbf_h_fr_double_set_handler): Removed.
2510 (frvbf_h_fr_int_get_handler): Removed.
2511 (frvbf_h_fr_int_set_handler): Removed.
2512 * frv-sim.h (frvbf_square_root_SF): Removed.
2513 (frvbf_square_root_DF): Removed.
2514 (frvbf_h_fr_double_get_handler): Removed.
2515 (frvbf_h_fr_double_set_handler): Removed.
2516 (frvbf_h_fr_int_get_handler): Removed.
2517 (frvbf_h_fr_int_set_handler): Removed.
2518 * decode.c,decode.h,model.c,sem.c: Rebuild.
2519
25201999-07-05 Doug Evans <devans@casey.cygnus.com>
2521
2522 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2523 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2524 * sim-if.c (sim_open): Initialize fpu.
2525 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2526 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2527 with frvbf_h_fr_get.
2528
2529Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2530
2531 * frv-sim.h (NESR_RANGE): New macro.
2532 (NO_NESR): New macro.
2533 (GET_NESR_VALID): New macro.
2534 (next_ne_index): Removed.
2535 * traps.c (next_available_nesr): New function.
2536 (next_valid_nesr): New function.
2537 (frvbf_check_non_excepting_load): Use next_available_nesr.
2538 (frvbf_check_recovering_store): Use next_available_nesr and
2539 next_valid_nesr.
2540 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2541 (frvbf_check_recovering_store): Only consider one matching register.
2542 * sem.c: Rebuild.
2543
2544Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2545
2546 * frv.c (frvbf_square_root_SF): New function.
2547 (frvbf_square_root_DF): New function.
2548 (frvbf_h_fr_double_get_handler): New function.
2549 (frvbf_h_fr_double_set_handler): New function.
2550 * frv-sim.h (frvbf_square_root_SF): New function.
2551 (frvbf_square_root_DF): New function.
2552 (frvbf_h_fr_double_get_handler): New function.
2553 (frvbf_h_fr_double_set_handler): New function.
2554 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2555
25561999-06-28 Dave Brolley <brolley@cygnus.com>
2557
2558 * decode.c,decode.h,model.c,sem.c: Regenerate.
2559
2560Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2561
2562 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2563 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2564 (frvbf_h_fr_int_set_handler): New function.
2565 (frvbf_store_multiple_FRint): New function.
2566 (frvbf_square_root_SF): New function.
2567 * frv.c (frvbf_h_fr_int_get_handler): New function.
2568 (frvbf_h_fr_int_set_handler): New function.
2569 (frvbf_store_multiple_FRint): New function.
2570 (frvbf_square_root_SF): New function.
2571 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2572
25731999-06-23 Doug Evans <devans@casey.cygnus.com>
2574
2575 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2576 to genmloop.sh. Pass -scache instead.
2577 (mloop.o): Delete sem-switch.c dependency.
2578 (sem-switch.c): Delete rule.
2579 (stamp-cpu): Don't build sem-switch.c.
2580 * sem-switch.c: Delete.
2581 * mloop.in (xfull-exec-*): Fix call to execute.
2582 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2583
2584 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2585
2586Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2587
2588 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2589
2590Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2591
2592 * mloop.in (execute): Force gr0 to zero before each insn.
2593 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2594
25951999-06-18 Doug Evans <devans@casey.cygnus.com>
2596
2597 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2598
2599Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2600
2601 * frv.c (frvbf_h_gr_get_handler): New function.
2602 (frvbf_h_gr_set_handler): New function:
2603 (frvbf_store-multiple_GR): New function:
2604 (frvbf_store-multiple_FR): New function:
2605 (frvbf_store-multiple_CPR): New function:
2606 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2607 (frvbf_h_gr_set_handler): New function:
2608 (frvbf_store-multiple_GR): New function:
2609 (frvbf_store-multiple_FR): New function:
2610 (frvbf_store-multiple_CPR): New function:
2611 * traps.c (frv_itrap): Implement proper syscalls interface.
2612 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2613
2614Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2615
2616 * traps.c (frvbf_check_non_excepting_divide): New function.
2617 (frvbf_check_recovering_store): New function.
2618 (clear_nesr_neear): New function.
2619 (clear_ne_flags): New function.
2620 (frvbf_commit): New function.
2621
2622 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2623 (frvbf_check_recovering_store): New function.
2624 (clear_nesr_neear): New function.
2625 (clear_ne_flags): New function.
2626 (frvbf_commit): New function.
2627 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2628
26291999-06-16 Dave Brolley <brolley@cygnus.com>
2630
2631 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2632 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2633 * traps.c (next_ne_index): New variable.
2634 (frvbf_check_non_excepting_load): New function.
2635 * frv-sim.h (NECR_ELOS): New macro.
2636 (NECR_NEN): New macro.
2637 (NECR_VALID): New macro.
2638 (SET_NESR_VALID): New macro.
2639 (SET_NESR_EAV): New macro.
2640 (SET_NESR_FR): New macro.
2641 (CLEAR_NESR_FR): New macro.
2642 (SET_NESR_DRN): New macro.
2643 (SET_NESR_SIZE): New macro.
2644 (SET_NESR_NEAN): New macro.
2645 (SET_NEEAR): New macro.
2646 (GET_NE_FLAG): New macro.
2647 (SET_NE_FLAG): New macro.
2648 (CLEAR_NE_FLAG): New macro.
2649 (frvbf_check_non_excepting_load): New function:
2650 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2651
2652Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2653
2654 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2655
2656Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2657
2658 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2659 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2660
2661Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2662
2663 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2664
26651999-06-07 Dave Brolley <brolley@cygnus.com>
2666
2667 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2668
2669Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2670
2671 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2672
2673Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2674
2675 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2676
2677Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2678
2679 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2680
2681Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2682
2683 * traps.c (frv_software_interrupt): Pass current_cpu to
2684 frvbf_h_psr_esr_get.
2685 (frv_software_interrupt): Calculate the new PC based on TBR.
2686 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2687
26881999-05-31 Dave Brolley <brolley@cygnus.com>
2689
2690 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2691
2692Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2693
2694 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2695 (frvbf_h_cccr_set_handler): New function.
2696 (frvbf_scan_result): New function.
2697 (frvbf_cr_logic): New function.
2698 * frv.c (frvbf_h_cccr_get_handler): New function.
2699 (frvbf_h_cccr_set_handler): New function.
2700 (frvbf_scan_result): New function.
2701 (frvbf_cr_logic): New function.
2702 (cr_ops,cr_result,cr_logic): New table.
2703 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2704
27051999-05-25 Dave Brolley <brolley@cygnus.com>
2706
2707 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2708 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2709 (frv_psr_get_handler): New function.
2710 (frv_psr_set_handler): New function.
2711 (frv_tbr_get_handler): New function.
2712 (frv_tbr_set_handler): New function.
2713 (frvbf_h_ccr_get_handler): Add support for fCC.
2714 (frvbf_h_ccr_set_handler): Add support for fCC.
2715 * frv-sim.h (frv_psr_get_handler): New function.
2716 (frv_psr_set_handler): New function.
2717 (frv_tbr_get_handler): New function.
2718 (frv_tbr_set_handler): New function.
2719 * traps.c (frv_software_interrupt): Implement.
2720 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2721
2722Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2723
2724 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2725
27261999-05-18 Dave Brolley <brolley@cygnus.com>
2727
2728 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2729 (frvbf_set_icc_for_shift_right): New function.
2730 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2731 (frvbf_set_icc_for_shift_right): New function.
2732 (SETMEMSF): New Macro.
2733 (SETMEMDF): New Macro.
2734 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2735
2736Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2737
2738 * frv.c (frvbf_h_ccr_get_handler): New function.
2739 (frvbf_h_ccr_set_handler): New function.
2740 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2741
2742Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2743
2744 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2745 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2746 * frv.c: Likewise.
2747 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2748
27491999-05-10 Dave Brolley <brolley@cygnus.com>
2750
2751 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2752
2753Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2754
2755 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2756 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2757
2758Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2759
2760 * traps.c (frv_software_interrupt): New function.
2761 (frv_itrap): New function.
2762 * frv-sim.h (TRAP_SYSCALL): define as 0.
2763 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2764
2765Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2766
2767 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2768
2769Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2770
2771 * Directory created.
A mirror of the official binutils-gdb repository