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sim: rename common/aclocal.m4 to common/acinclude.m4
[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
9c082ca8
MF		 12011-10-17 Mike Frysinger <vapier@gentoo.org>
2
3 * configure.ac: Change include to common/acinclude.m4.
4
6ffe910a
MF		 52011-10-17 Mike Frysinger <vapier@gentoo.org>
6
7 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
8 call. Replace common.m4 include with SIM_AC_COMMON.
9 * configure: Regenerate.
10
2419798b
MF		 112011-07-05 Mike Frysinger <vapier@gentoo.org>
12
13 * sim-if.c (sim_do_command): Delete.
14
f9bdfd29
MF		 152010-04-21 Mike Frysinger <vapier@gentoo.org>
16
17 * profile.c (sim_profile_print_bar): Add cpu argument.
18
fb0cc53e
MF		 192010-03-30 Mike Frysinger <vapier@gentoo.org>
20
21 * devices.c (device_error): Add const to message.
22
c5351010
DE		 232010-02-12 Doug Evans <dje@sebabeach.org>
24
25 * decode.c, * decode.h: Regenerate.
26
2310652a
DE		 272010-02-11 Doug Evans <dje@sebabeach.org>
28
29 * cpu.h, * decode.c, * model.c, * sem.c: Regenerate.
30
d2c7a1a6
DE		 312010-01-24 Doug Evans <dje@sebabeach.org>
32
33 * sem.c: Regenerate.
34
3725885a
RW		 352010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
36
37 * configure: Regenerate.
38
0f51e9bf
DE		 392010-01-02 Doug Evans <dje@sebabeach.org>
40
41 * arch.c, * arch.h, * cpu.c, * cpu.h, * cpuall.h, * decode.c,
42 * decode.h, * model.c, * sem.c: Regenerate, update copyright year.
43
197fa1aa
DE		 442009-11-22 Doug Evans <dje@sebabeach.org>
45
46 * cpu.h: Regenerate.
47 * cpuall.h: Regenerate.
48 * decode.c: Regenerate.
49 * decode.h: Regenerate.
50
b29791a8
DE		 512009-11-03 Doug Evans <dje@sebabeach.org>
52
53 * arch.c: Regenerate.
54 * arch.h: Regenerate.
55 * cpu.c: Regenerate.
56 * cpu.h: Regenerate.
57 * cpuall.h: Regenerate.
58 * decode.c: Regenerate.
59 * decode.h: Regenerate.
60 * model.c: Regenerate.
61 * sem.c: Regenerate.
62
d6416cdc
RW		 632009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
64
81ecdfbb
RW		 65 * config.in: Regenerate.
66 * configure: Likewise.
67
d6416cdc
RW		 68 * configure: Regenerate.
69
7b1a2840
HPN		 702009-01-07 Hans-Peter Nilsson <hp@axis.com>
71
72 * sem.c: Regenerate.
73
bce3bbcb
HPN		 742008-12-23 Hans-Peter Nilsson <hp@axis.com>
75
76 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
77 model.c, sem.c: Regenerate.
78
b5bd9624
HPN		 792008-07-11 Hans-Peter Nilsson <hp@axis.com>
80
81 * configure: Regenerate to track ../common/common.m4 changes.
82 * config.in: Ditto.
83
6efef468
JM		 842008-06-06 Vladimir Prus <vladimir@codesourcery.com>
85 Daniel Jacobowitz <dan@codesourcery.com>
86 Joseph Myers <joseph@codesourcery.com>
87
88 * configure: Regenerate.
89
b1bfc053
HPN		 902006-12-21 Hans-Peter Nilsson <hp@axis.com>
91
92 * config.in: Regenerate.
93
e85e3205
RE		 942006-06-13 Richard Earnshaw <rearnsha@arm.com>
95
96 * configure: Regenerated.
97
2f0122dc
DJ		 982006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
99
100 * configure: Regenerated.
101
20e95c23
DJ		 1022006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
103
104 * configure: Regenerated.
105
79e59fe6
DB		 1062005-10-28 Dave Brolley <brolley@redhat.com>
107
108 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
109
110 Contribute the following changes:
111 2003-09-29 Dave Brolley <brolley@redhat.com>
112
113 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
114 CGEN_ATTR_VALUE_TYPE.
115 * mloop.in: Ditto.
116 * pipeline.c: Ditto.
117 * traps.c: Ditto.
118
2b193c4a
MK		 1192005-03-23 Mark Kettenis <kettenis@gnu.org>
120
121 * configure: Regenerate.
122
35695fd6
AC		 1232005-01-14 Andrew Cagney <cagney@gnu.org>
124
125 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
126 explicit call to AC_CONFIG_HEADER.
127 * configure: Regenerate.
128
f0569246
AC		 1292005-01-12 Andrew Cagney <cagney@gnu.org>
130
131 * configure.ac: Update to use ../common/common.m4.
132 * configure: Re-generate.
133
38f48d72
AC		 1342005-01-11 Andrew Cagney <cagney@localhost.localdomain>
135
136 * configure: Regenerated to track ../common/aclocal.m4 changes.
137
b7026657
AC		 1382005-01-07 Andrew Cagney <cagney@gnu.org>
139
140 * configure.ac: Rename configure.in, require autoconf 2.59.
141 * configure: Re-generate.
142
379832de
HPN		 1432004-12-08 Hans-Peter Nilsson <hp@axis.com>
144
145 * configure: Regenerate for ../common/aclocal.m4 update.
146
45aa12b4
RS		 1472004-08-27 Richard Sandiford <rsandifo@redhat.com>
148
149 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
150 * cpuall.h, model.c, sem.c: Regenerated.
151
676a64f4
RS		 1522004-03-01 Richard Sandiford <rsandifo@redhat.com>
153
154 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
155 (profile-fr450.o): New dependency.
156 (stamp-cpu): Add fr450 to the list of machs.
157 * sim-frv.h (SPR_IS_ACC): New macro.
158 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
159 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
160 * frv.c (check_register_alignment, check_fr_register_alignment)
161 (check_memory_alignment, do_media_average): Likewise.
162 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
163 rather than a consecutive range.
164 * interrupts.c (frv_queue_illegal_instruction_interrupt)
165 (frv_queue_non_implemented_instruction_interrupt): Handle
166 bfd_mach_fr450.
167 * memory.c (check_data_read_address, check_readwrite_address)
168 (check_insn_read_address, check_write_address): Likewise.
169 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
170 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
171 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
172 * profile-fr450.c: New file.
173 * registers.c (fr450_spr): New array.
174 (frv_register_control_init): Check its size. Use it for fr450.
175 (frv_check_register_access): Handle bfd_mach_fr450.
176 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
177 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
178 (frvbf_media_acc_not_aligned): Likewise.
179 (frvbf_media_register_not_aligned): Likewise.
180 * arch.c: Regenerate.
181 * arch.h: Regenerate.
182 * cpu.h: Regenerate.
183 * cpuall.h: Regenerate.
184 * decode.h: Regenerate.
185 * model.c: Regenerate.
186
c7a48b9a
RS		 1872004-03-01 Richard Sandiford <rsandifo@redhat.com>
188
189 * cache.c (frv_cache_init): Change fr400 cache statistics to match
190 the fr405.
191 (non_cache_access): Add missing breaks.
192 * interrupts.c (set_exception_status_registers): Always set EAR15
193 for data_access_errors.
194 * memory.c (fr400_check_write_address): Remove redundant alignment
195 check.
196 * model.c: Regenerate.
197
8b73069f
RS		 1982004-03-01 Richard Sandiford <rsandifo@redhat.com>
199
200 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
201
8ae0baa2
RS		 2022004-03-01 Richard Sandiford <rsandifo@redhat.com>
203
204 * decode.c, decode.h, model.c, sem.c: Regenerate.
205
d74c4203
KB		 2062003-11-24 Kevin Buettner <kevinb@redhat.com>
207
208 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
209 (SPR_REGNUM_MAX): Delete.
210 * frv.c (gdb/sim-frv.h): Include.
211 (frvbf_fetch_register, frvbf_store_register): Use register number
212 constants from gdb/sim-frv.h. Check availability of general
213 purpose and float registers.
214
0b01870b
DB		 2152003-11-03 Dave Brolley <brolley@redhat.com>
216
217 * cache.c (address_interference): Check for higher priority requests
218 in the same pipeline.
219
9a29f3ca
DB		 2202003-10-31 Dave Brolley <brolley@redhat.com>
221
162cec1b 222 * frv-sim.h (LR_REGNUM): Removed.
073926e5 223 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 224 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 225 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 226 Return 0 for an unimplemented register. Return the length of the data
227 for an implemented register.
228 (frvbf_store_register): Ditto.
229
fc0a2244
AC		 2302003-10-30 Andrew Cagney <cagney@redhat.com>
231
232 * traps.c: Replace "struct symbol_cache_entry" with "struct
233 bfd_symbol".
234
29a79ca0
DB		 2352003-10-10 Dave Brolley <brolley@redhat.com>
236
237 * cpu.h, sem.c: Regenerate.
238
e930b1f5
DB		 2392003-10-06 Dave Brolley <brolley@redhat.com>
240
241 * profile-fr550.[ch]: New files.
242 * configure.in: Move frv handling to alphabetically correct placement.
243 * Makefile.in: Add fr550 support.
244 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
245 profile.[ch],registers.c,traps.c: Add fr550 support.
246 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
247 Regenerate.
248
22f367a7
DB		 2492003-09-25 Dave Brolley <brolley@redhat.com>
250
251 * reset.c (frv_initialize): Call frv_register_control_init first.
252
1c453cd6
DB		 2532003-09-24 Dave Brolley <brolley@redhat.com>
254
255 * profile.h (update_FR_ptime): New prototype.
256 (update_FRdouble_ptime): Ditto.
257 (update_SPR_ptime): Ditto.
258 (increase_ACC_busy): Ditto.
259 (enforce_full_acc_latency): Ditto.
260 (post_wait_for_SPR): Ditto.
261 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
262 (update_FRdouble_ptime): Ditto.
263 (update_SPR_ptime): New function.
264 (increase_ACC_busy): Ditto.
265 (enforce_full_acc_latency): Ditto.
266 (vliw_wait_for_fdiv_resource): Correct resource name.
267 (vliw_wait_for_fsqrt_resource): Ditto.
268 (post_wait_for_SPR): New function.
269 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
270 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
271 adjust_float_register_busy.
272 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
273 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
274 registers.
275 (frvbf_model_fr500_u_float_arith): Ditto.
276 (frvbf_model_fr500_u_float_dual_arith): Ditto.
277 (frvbf_model_fr500_u_float_div): Ditto.
278 (frvbf_model_fr500_u_float_sqrt): Ditto.
279 (frvbf_model_fr500_u_float_convert): Ditto.
280 (update_FR_ptime): Moved to profile.c
281 (update_FRdouble_ptime): Moved to profile.c
282 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
283 for other machines.
284 (update_FRdouble_ptime): Ditto.
285 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
286
153431d6
DB		 2872003-09-12 Dave Brolley <brolley@redhat.com>
288
289 * registers.c (frv_check_spr_read_access): Check for access to
290 ACC4-ACC63 and ACCG4-ACCG63.
291 * profile.h (frv-desc.h): #include it.
292 (spr_busy): New member of FRV_PROFILE_STATE.
293 (spr_latency): Ditto.
294 (GNER_FOR_GR): New macro.
295 (FNER_FOR_FR): New maccro.
296 (update_SPR_latency): New function.
297 (vliw_wait_for_SPR): New function.
93938d47 298 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 299 (update_target_latencies): Ditto.
300 (update_SPR_latency): New function.
301 (vliw_wait_for_SPR): New function.
302 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
303 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
304 (frvbf_model_fr500_u_check): Ditto.
305 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
306 (frvbf_model_fr500_u_clrfr): Ditto.
307 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
308 (frvbf_model_fr500_u_gr2spr): Ditto.
309 * frv-sim.h (H_SPR_ACC4): New macro.
310 (H_SPR_ACCG4): New macro;
311 (H_SPR_ACC0): Removed.
312 (H_SPR_ACCG0): Removed.
313 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
314
ba9c4053
DB		 3152003-09-10 Dave Brolley <brolley@redhat.com>
316
317 * profile.c (slot_names): FM1 was listed twice. Changed first
318 instance to FM0. Added IALL, FMALL and FMLOW.
319 (print_parallel): Don't examine slots with no insns.
320
f9e18f5a
DB		 3212003-09-09 Dave Brolley <brolley@redhat.com>
322
323 * frv.c (do_media_average): Select machine using a switch.
324
d89a78b6
DB		 3252003-09-08 Dave Brolley <brolley@redhat.com>
326
327 On behalf of Doug Evans <dje@sebabeach.org>
328 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
329 Remove copying of .cpu file to cgen/cpu, no longer needed.
330
d03ea14f
DB		 3312003-09-03 Dave Brolley <brolley@redhat.com>
332
333 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
334
e8d2f504
DB		 3352003-08-29 Dave Brolley <brolley@redhat.com>
336
337 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
338 temporarily when regenerating files.
339 (stamp-cpu): Ditto.
340
b34f6357
DB		 3412003-08-20 Micheal Snyder <msnyder@redhat.com>
342
343 * All generated files: Regenerate.
344
3452001-10-11 Dave Brolley <brolley@redhat.com>
346
347 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
348
3492001-10-09 Dave Brolley <brolley@redhat.com>
350
351 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
352 not set.
353 * reset.c (frv_hardware_reset): Invalidate both caches.
354 * registers.c: Update init, reset and read-only masks for all registers
355 on all machines.
356 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
357 (prev_gr_complex): New field of FRV_PROFILE_STATE
358 (set_use_is_gr_complex): New function.
359 (set_use_not_gr_complex): New function.
360 (use_is_gr_complex): New function.
361 (decrease_GR_busy): New function.
362 * profile.c (reset_gr_flags): New function.
363 (reset_cc_flags): New function.
364 (set_use_is_gr_complex): New function.
365 (set_use_not_gr_complex): New function.
366 (use_is_gr_complex): New function.
367 (update_latencies): Reset gr and cc flags when latency reaches 0.
368 (decrease_GR_busy): New function.
369 * profile-fr400.h (fr500_reset_acc_flags): Removed.
370 (fr500_reset_cc_flags): New function.
371 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
372 LSI version 1.41.
373 * profile-fr400.h (fr400_reset_gr_flags): New function.
374 (fr400_reset_fr_flags): New function.
375 (fr400_reset_acc_flags): New function.
376 * profile-fr400.c (set_use_not_media_p4): New function.
377 (set_use_not_media_p6): New function.
378 (set_acc_use_not_media_p2): New function.
379 (set_acc_use_not_media_p4): New function.
380 (fr400_reset_gr_flags): New function.
381 (fr400_reset_fr_flags): New function.
382 (fr400_reset_acc_flags): New function.
383 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
384 (frvbf_model_fr400_u_media_hilo): New function.
385 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
386 * memory.c (fr400_check_data_read_address): Check address range only
387 for double word loads. Don't check alignment here.
388 (fr400_check_readwrite_address): New function.
389 (fr500_check_readwrite_address): New function.
390 (check_readwrite_address): New function.
391 (fr500_check_insn_read_address): Correct address ranges.
392 (frvbf_read_mem_*): Check address range here.
393 (frv_address_forbidden): Removed.
394 (fr400_check_write_address): New function.
395 (check_write_address): New function.
396 (frvbf_write_mem_*): Don't check address range here.
397 (frvbf_mem_set_*): Check address range here.
398 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
399 address as second argument.
400 (frv_queue_data_access_exception_interrupt): New function.
401 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
402 media insns on fr400.
403 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
404 for media insns on fr400.
405 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
406 of insns here. Check for MTRAP insn if PSR.EM is not set.
407 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
408 set.
409 (set_exception_status_registers): Do not always set EPCR. Set EAR for
410 data_acess_error only if not fr400.
411 * frv.c (do_media_average): New function.
412 (frvbf_media_average): New function.
413 (frvbf_insn_cache_invalidate): Check for illegal invocation.
414 (frvbf_data_cache_invalidate): Ditto.
415 (frvbf_data_cache_flush): Ditto.
416 * frv-sim.h (GET_FSR_QNE): New macro.
417 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
418 (GET_MSR_SRDAV): New macro.
419 (GET_MSR_RDAV): New macro.
420 (GET_MSR_RD): New macro.
421 (frv_queue_data_access_error_interrupt): Now takes an address as second
422 argument.
423 (frv_address_forbidden): Removed.
424 * cache.c (non_cache_access): Correct address ranges. Now takes cache
425 as first argument.
426 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
427
4282001-08-20 Dave Brolley <brolley@redhat.com>
429
430 * sim-main.h (_sim_cpu): New field 'elf_flags'.
431 * sim-if.c (sim_open): Extract the elf_flags from the input file and
432 save them with each cpu.
433 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
434 last_insn_p before executing the insn.
435 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
436 insn cache.
437 (frv_cache_invalidate_all): Ditto.
438
4392001-08-20 Richard Sandiford <rsandifo@redhat.com>
440
441 * traps.c (syscall_read_mem): Flush the data cache before reading.
442 (syscall_write_mem): Flush the data cache before writing.
443 Invalidate both caches.
444
4452001-07-05 Ben Elliston <bje@redhat.com>
446
447 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
448 (stamp-cpu): Likewise.
449
4502001-05-23 Dave Brolley <brolley@redhat.com>
451
452 * profile-fr400.c (acc_use_is_media_p2): New function.
453 (frvbf_model_fr400_u_media_2): Account for latency of output
454 accumulators.
455 (frvbf_model_fr400_u_media_2_quad): Ditto.
456 (frvbf_model_fr400_u_media_2_acc): New function.
457 (frvbf_model_fr400_u_media_2_acc_dual): New function.
458 (frvbf_model_fr400_u_media_2_add_sub): New function.
459 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
460 (frvbf_model_fr400_u_media_3_dual): New function.
461 (frvbf_model_fr400_u_media_4_acc_dual): New function.
462 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
463
4642001-05-15 Dave Brolley <brolley@redhat.com>
465
466 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
467 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
468 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
469 (request_cache_flush): Save 'all' argument.
470 (request_cache_invalidate): Save all_cache_entries from profile state
471 to 'all' field of the request.
472 (submit_cache_request): Pass the 'all' field of the request to
473 frv_cache_request_invalidate.
474 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
475 operation even if HSR0.ICE is not set.
476 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
477 operation even if HSR0.DCE is not set.
478 (frv_data_cache_flush): Ditto.
479 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
480 (frv_data_cache_invalidate): Add new 'all' parameter.
481 (frv_data_cache_flush): Add new 'all' parameter.
482 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
483 (frv_cache_request_invalidate): Add new 'all' parameter.
484 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
485 its value in the invalidate request.
486 (address_interference): Accept the value '-1' for the address argument
487 to mean 'any address'.
488 (handle_req_invalidate): Handle request to invalidate all cache lines.
489 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
490
4912001-05-14 Dave Brolley <brolley@redhat.com>
492
493 * profile.h (past_first_p): New field of profiling state.
494 (branch_penalty): Ditto.
495 (branch_hint): Ditto.
496 (update_branch_penalty): New function.
497 * profile.c (frvbf_model_insn_after): Reset past_first_p and
498 branch_address fields of the profiling state.
499 (frvbf_model_branch): New function.
500 (update_branch_penalty): New function.
501 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
502 FCCi_3 inputs.
503 (frvbf_model_fr500_u_trap): New function.
504 (frvbf_model_fr500_u_check): New function.
505 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
506 cycles.
507 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
508 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
509 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
510 documented in teh fr400 LSI.
511 (frvbf_model_fr400_u_media_dual_htob): Ditto.
512 (frvbf_model_fr400_u_media_dual_unpack): Removed.
513 (frvbf_model_fr500_u_trap): New function.
514 (frvbf_model_fr500_u_check): New function.
515 * mloop.in (simulate_dual_insn_prefetch): New function.
516 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
517 arguments for each machine type.
518 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
519
5202001-05-09 Dave Brolley <brolley@redhat.com>
521
522 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
523 (profile-fr400.o): New target.
524 * profile.c: New file.
525 * profile.h: New file.
526 * profile-fr400.c: New file.
527 * profile-fr400.h: New file.
528 * profile-fr500.c: New file.
529 * profile-fr500.h: New file.
530 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
531
5322001-05-02 Dave Brolley <brolley@redhat.com>
533
534 * sim-main.h (profile.h): #include it.
535 (CPU_PROFILE_STATE): New macro.
536 (profile_state): New frv specific cpu field.
537 * reset.c (frv_initialize): insn_fetch_address and branch_address now
538 part of global profiling state.
539 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
540 (SIM_EXTRA_DEPS): Add profile.h.
541 (registers.o): Correct name of source file.
542 (profile.o): New target.
543 (profile-fr500.o): New target.
544 * frv-sim.h: Move profile related data structures to profile.h.
545 * frv.c: Move fr500 specific functions to profile-fr500.c.
546 * cpu.h: Regenerated.
547
5482001-04-27 Dave Brolley <brolley@redhat.com>
549
550 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
551 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
552 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
553 Rename PIPE_* to UNIT_*.
554 (frv_queue_illegal_instruction_interrupt): Use
555 frv_is_float_insn and frv_is_media_insn.
556 (frv_queue_non_implemented_instruction_interrupt): Ditto.
557 (frv_detect_insn_access_interrupts): Ditto.
558 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
559 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
560 * memory.c: Ditto.
561 * pipeline.c: Ditto.
562 * mloop.in: Ditto.
563 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
564 * cache.c: Rename PIPE_* to UNIT_*.
565
5662001-04-24 Dave Brolley <brolley@redhat.com>
567
568 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
569 (frvbf_load_quad_FRint): Ditto.
570 (frvbf_load_quad_CPR): Ditto.
571 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
572 machines.
573 (bfd.h): #include it.
574 (non_cache_access): Update for revised fr500 and for fr400.
575 * registers.c (frv_spr): Don't reset PSR.PS.
576 (fr500_spr): Ditto.
577 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
578
5792001-04-23 Dave Brolley <brolley@redhat.com>
580
581 * traps.c (frv_core_signal): On fr400, generate data_access_error.
582 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
583 (frvbf_media_acc_not_aligned): Ditto.
584 (frvbf_media_register_not_aligned): Ditto.
585 (frvbf_division_exception): Use GET_ISR_EDE.
586 * registers.c (frv_check_spr_read_access): New function.
587 (frv_check_spr_write_access): New function.
588 (frv_check_spr_access): Deleted.
589 (frv_check_register_access): On fr400, generate illegal_instruction.
590 * memory.c (fr400_check_data_read_address): New function.
591 (fr500_check_data_read_address): Ditto.
592 (check_data_read_address): Ditto.
593 (fr400_check_insn_read_address): Ditto.
594 (fr500_check_insn_read_address): Ditto.
595 (check_insn_read_address): Ditto.
596 (frvbf_read_mem_QI): Call check_data_read_access.
597 (frvbf_read_mem_UQI): Ditto.
598 (frvbf_read_mem_HI): Ditto.
599 (frvbf_read_mem_UHI): Ditto.
600 (frvbf_read_mem_SI): Ditto.
601 (frvbf_read_mem_DI): Ditto.
602 (frvbf_read_mem_DF): Ditto.
603 (frvbf_read_imem_USI): Call check_insn_read_access.
604 (frv_address_forbidden): Now takes cpu as first argument. Check based
605 on machine type.
606 (fr400_mem_address_unaligned): New function.
607 (fr500_mem_address_unaligned): Ditto.
608 (check_write_address): Ditto.
609 (frvbf_mem_set_QI): Call check_write_address.
610 (frvbf_mem_set_HI): Ditto.
611 (frvbf_mem_set_SI): Ditto.
612 (frvbf_mem_set_DI): Ditto.
613 (frvbf_mem_set_DF): Ditto.
614 (frvbf_mem_set_XI): Ditto.
615 * interrupts.c (bfd.h): #include it.
616 (frv_queue_data_access_error_interrupt): New function.
617 (frv_queue_instruction_access_error_interrupt): New function.
618 (frv_queue_instruction_access_exception_interrupt): New function.
619 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
620 (frv_queue_non_implemented_instruction_interrupt): Ditto.
621 (frv_detect_insn_access_interrupts): Reorder tests to match priority
622 from the LSI manual.
623 (set_isr_exception_fields): Accumulate dtt bits.
624 * frv.c (check_register_alignment): New function.
625 (check_fr_register_alignment): New function.
626 (check_memory_alignment): New function.
627 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
628 (frvbf_h_gr_double_set_handler): Ditto.
629 (frvbf_h_cpr_double_get_handler): Ditto.
630 (frvbf_h_cpr_double_set_handler): Ditto.
631 (frvbf_h_gr_quad_set_handler): Ditto.
632 (frvbf_h_cpr_quad_set_handler): Ditto.
633 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
634 (frvbf_h_fr_double_set_handler): Ditto.
635 (frvbf_h_fr_quad_set_handler): Ditto.
636 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
637 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
638 (frvbf_load_quad_GR): Call check_memory_aligment.
639 (frvbf_load_quad_FRint): Ditto.
640 (frvbf_load_quad_CPR): Ditto.
641 (frvbf_store_quad_GR): Call check_memory_aligment and
642 check_register_alignment.
643 (frvbf_store_quad_FRint): Ditto.
644 (frvbf_store_quad_CPR): Ditto.
645 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
646 * frv-sim.h (H_SPR_ACC0): New macro.
647 (H_SPR_ACC63): New macro.
648 (H_SPR_ACCG0): New macro.
649 (H_SPR_ACCG63): New macro.
650 (frv_dtt): New enumerator.
651 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
652 (GET_ISR_DTT): New macro.
653 (frv_queue_data_access_error_interrupt): New function.
654 (frv_queue_instruction_access_error_interrupt): New function.
655 (frv_queue_instruction_access_exception_interrupt): New function.
656 (frv_address_forbidden): Now takes cpu as first argument.
657 * cpu.h: Regenerate.
658
6592001-04-10 Dave Brolley <brolley@redhat.com>
660
661 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
662 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
663 (fr400_spr): Implement SPR registers for fr400.
664 (frv_register_control_init): Handle bfd_mach_fr400 properly.
665 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
666 (spr_psr_get_handler): Ditto.
667 (spr_ccr_get_handler): Ditto.
668 (spr_cccr_get_handler): Ditto.
669 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
670 * frv-sim.h: Update comment about MCCR_* macros.
671 * cpu.c,cpu.h: Regenerate.
672
6732001-04-05 Dave Brolley <brolley@redhat.com>
674
675 * cpu.h,decode.c,model.c,sem.c: Regenerate.
676
6772001-04-05 Dave Brolley <brolley@redhat.com>
678
679 * reset.c: Update copyright.
680 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
681 * frv.c (frvbf_model_fr400_u_exec): New function.
682 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
683 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
684 Regenerate.
685
6862000-11-22 Dave Brolley <brolley@redhat.com>
687
688 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
689 Regenerate.
690
6912000-11-10 Dave Brolley <brolley@redhat.com>
692
693 * decode.c: Regenerate.
694
6952000-09-12 Dave Brolley <brolley@redhat.com>
696
697 * traps.c (frv_sim_engine_halt_hook): New function.
698 (frv_itrap): Caches now invalidated in sim_engine_halt via
699 SIM_ENGINE_HALT_HOOK.
700 (frv_break): Ditto.
701 * sim-main.h (frv_sim_engine_halt_hook): New function.
702 (SIM_ENGINE_HALT_HOOK): New macro.
703 (SIM_ENGINE_RESTART_HOOK): New macro.
704 * interrupts.c: Call to frv_term now done within sim_engine_halt via
705 SIM_ENGINE_HALT_HOOK.
706
7072000-09-08 Dave Brolley <brolley@redhat.com>
708
709 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
710 respectively when stopping for a breakpoint.
711 (frv_break): Ditto.
712 * cache.h (frv_cache_invalidate_all): New function.
713 * cache.c (frv_cache_invalidate_all): New function.
714
7152000-09-05 Dave Brolley <brolley@redhat.com>
716
717 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
718 sim_handle_breakpoint. Otherwise if environment != operating call
719 sim_engine_halt. Otherwise handle normally.
720 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
721 breakpoints here. Moved to frv_break in traps.c.
722
723 * sem.c: Regenerate.
724
7252000-09-01 Dave Brolley <brolley@redhat.com>
726
727 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
728 before queuing an interrupt in order to allow 'break' to be used as
729 the breakpoint insn.
730
7312000-08-29 Dave Brolley <brolley@redhat.com>
732
733 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
734
7352000-07-27 Dave Brolley <brolley@redhat.com>
736
737 * cpu.h,decode.c: Rebuild.
738
7392000-07-26 Dave Brolley <brolley@redhat.com>
740
741 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
742 (spr_cccr_set_handler): Change CRx to CCx.
743 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
744
7452000-07-24 Dave Brolley <brolley@redhat.com>
746
747 * sem.c: Regenerate.
748 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
749 Don't write it directly.
750
751Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
752
753 * configure: Regenerated to track ../common/aclocal.m4 changes.
754
7552000-07-05 Ben Elliston <bje@redhat.com>
756
757 * configure: Regenerated to track ../common/aclocal.m4 changes.
758
7592000-06-28 Dave Brolley <brolley@redhat.com>
760
761 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
762
7632000-06-21 Dave Brolley <brolley@redhat.com>
764
765 * pipeline.c: All code except frv_pipeline_setup_insn moved to
766 frv.opc.
767 * mloop.in (main loop): frv_pipeline_add_insn broken up into
768 frv_pipeline_add_insn and frv_pipeline_setup_insn.
769 * frv-sim.h: Move pipeline status code to frv.opc.
770 * model.c: Regenerate.
771
7722000-06-12 Dave Brolley <brolley@redhat.com>
773
774 * options.c (frv_option_handler): --profile-parallel implies
775 --profile-model.
776 * mloop.in (fetch_buffer): Removed.
777 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
778 run_caches. Use cache directly if not counting cycles. Don't use
779 cache at all if not counting cycles and cache not enabled.
780 * frv.c (frv_insn_fetch_buffer): New global variable.
781 (run_caches): Monitor the status of insn prefetch requests.
782 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
783 (frv_insn_fetch_buffer): New global variable.
784
7852000-06-12 Dave Brolley <brolley@redhat.com>
786
787 * mloop.in (fetch_buffer): New static struct.
788 (@cpu@_simulate_insn_prefetch): Rewritten.
789 * cache.c (frv_cache_request_invalidate): Don't invalidate return
790 buffer.
791 (address_interference): Defer to any WAR request in either pipeline.
792
7932000-06-09 Dave Brolley <brolley@redhat.com>
794
795 * pipeline.c (insns_in_slot): New Array.
796 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
797 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
798 option.
799 (parse_cache_option): New function.
800 (frv_option_handler): Call parse_cache_option.
801 * frv.c (vliw_branch_taken): New variable.
802 (vliw_load_stall): New variable.
803 (handle_resource_wait): Update vliw_load_stall.
804 (frvbf_model_insn_before): Initialize vliw_branch_taken and
805 vliw_load_stall.
806 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
807 (load_wait_for_FR): Update vliw_load_stall.
808 (load_wait_for_GR): Update vliw_load_stall.
809 (load_wait_for_FRdouble): Update vliw_load_stall.
810 (load_wait_for_GRdouble): Update vliw_load_stall.
811 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
812 (slot_names): New static array.
813 (print_parallel): Now takes second argument 'verbose'. Print cycles per
814 VLIW insn and instructions per cycle. Also tabulate the number of insns
815 in each type of VLIW slot.
816 (frv_profile_info): Call print_parallel with new second argument.
817 * frv-sim.h (insn_in_slot): New array.
818 (COUNT_INSNS_IN_SLOT): New macro.
819 (INSNS_IN_SLOT): New macro.
820 * cache.c: Remove references to non_blocking_count. Remove references to
821 last_was_hit. Remove references to req_none.
822 (handle_req_store): Adjust statistics before requeuing the store
823 request.
824 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
825 * cache.h: Remove references to non_blocking_count. Remove references to
826 last_was_hit. Remove references to req_none.
827 * model.c: Regenerate.
828
8292000-06-08 Dave Brolley <brolley@redhat.com>
830
831 * frv.c (request_complete): Copy load data from the correct return
832 buffer.
833
8342000-06-07 Dave Brolley <brolley@redhat.com>
835
836 * traps.c (frv_core_signal): Call frv_term before exiting.
837 (frv_itrap): Call frv_term before exiting.
838 (next_available_nesr): Make sure NECR is implemented before reading it.
839 (next_valid_nesr): Ditto.
840 (frvbf_check_non_excepting_load): Ditto.
841 (frvbf_clear_ne_flags): Ditto.
842 (frvbf_commit): Ditto.
843 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
844 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
845 store_flag members.
846 (CPU_LOAD_ADDRESS): New macro.
847 (CPU_LOAD_LENGTH): New macro.
848 (CPU_LOAD_SIGNED): New macro.
849 (CPU_LOAD_LOCK): New macro.
850 * reset.c (frv_term): New function.
851 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
852 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
853 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
854 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
855 the insn. Model the insn in two passes. One before and one after
856 execution.
857 (cache_reqno): new static variable.
858 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
859 cache rather than assuming a fixed latency.
860 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
861 enabled so that modeling data is collected by cgen during execution.
862 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
863 * memory.c (data_non_cache_access): Removed.
864 (insn_non_cache_access): Removed.
865 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
866 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
867 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
868 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
869 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
870 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
871 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
872 (frvbf_read_imem_USI): Read the cache or ememory passively.
873 (frvbf_write_mem_QI): Don't check for non-cache access here.
874 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
875 (frvbf_write_mem_HI): Don't check for non-cache access here.
876 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
877 (frvbf_write_mem_SI): Don't check for non-cache access here.
878 (frvbf_write_mem_DI): Don't check for non-cache access here.
879 (frvbf_write_mem_DF): Don't check for non-cache access here.
880 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
881 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
882 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
883 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
884 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
885 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
886 * interrupts.c (check_reset): Read the cache and memory passively.
887 (frv_program_or_software_interrupt): Call frv_term before calling
888 sim_engine_halt.
889 * frv.c (all modeling functions): Break into two passes. One before
890 execuetion and one after. call load_wait_for_* for all GR and FR
891 registers.
892 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
893 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
894 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
895 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
896 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
897 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
898 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
899 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
900 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
901 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
902 (model_insn): New global variable.
903 (fr_ptime): New array.
904 (cache_request): New enumeration.
905 (CACHE_QUEUE_ELEMENT): New struct type.
906 (CACHE_QUEUE_SIZE): New macro.
907 (cache_queue): New static struct.
908 (request_cache_load): New function.
909 (request_cache_flush): New function.
910 (request_cache_invalidate): New function.
911 (request_cache_preload): New function.
912 (request_cache_unlock): New function.
913 (submit_cache_request): New function.
914 (activate_cache_requests): New function.
915 (load_pending_for_register): New function.
916 (flush_pending_for_address): New function.
917 (remove_cache_queue_element): New function.
918 (copy_load_data): New function.
919 (request_complete): New function.
920 (run_caches): New function.
921 (frv_model_trace_wait_cycles): New function.
922 (wait_for_flush): New function.
923 (frvbf_model_insn_before): Insn prefect wait now modeled in
924 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
925 wait_for_flush.
926 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
927 vliw_insns here anymore.
928 (update_FR_latency_for_load): New function.
929 (update_FRdouble_latency_for_load): New function.
930 (update_FR_ptime): New function.
931 (update_FRdouble_ptime): New function.
932 (update_GR_latency_for_swap): New function.
933 (load_wait_for_GR): New function.
934 (load_wait_for_FR): New function.
935 (load_wait_for_GRdouble): New function.
936 (load_wait_for_FRdouble): New function.
937 (frvbf_model_fr500_u_ici): New function.
938 (frvbf_model_fr500_u_dci): New function.
939 (frvbf_model_fr500_u_dcf): New function.
940 (frvbf_model_fr500_u_icpl): New function.
941 (frvbf_model_fr500_u_dcpl): New function.
942 (frvbf_model_fr500_u_icul): New function.
943 (frvbf_model_fr500_u_dcul): New function.
944 * frv-sim.h (frv_term): New function.
945 (insn_non_cache_access): Removed.
946 (FRV_COUNT_CYCLES): New macro.
947 (frv_save_peofile_model_p): New global variable.
948 (model_insn): New enumerated global variable.
949 (frv_model_advance_cycles): New function.
950 (frv_model_trace_wait_cycles): New function.
951 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
952 (FRV_CACHE_WAR_REQUEST): New struct type.
953 (FRV_CACHE_STORE_REQUEST): New struct type.
954 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
955 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
956 (FRV_CACHE_REQUEST): New struct type.
957 (FRV_CACHE_RETURN_BUFFER): New struct type.
958 (FRV_CACHE_FLUSH_STATUS): New struct type.
959 (FRV_CACHE_STATUS): New struct type.
960 (FRV_CACHE_STAGE): New struct type.
961 (FRV_CACHE_STAGES): New enumeration.
962 (FRV_CACHE_WAR): New struct type.
963 (FRV_CACHE_PIPELINE): New struct type.
964 (FRV_CACHE_ARS): New struct type.
965 (FRV_CACHE_STATISTICS): New struct type.
966 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
967 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
968 (CACHE_RETURN_DATA_ADDRESS): New macro.
969 (frv_cache_read): Now takes pipe index as second argument.
970 (frv_cache_enabled): New function.
971 (frv_cache_request_load): New function.
972 (frv_cache_request_store): New function.
973 (frv_cache_request_invalidate): New function.
974 (frv_cache_request_preload): New function.
975 (frv_cache_request_unlock): New function.
976 (frv_cache_run): New function.
977 (frv_cache_read_passive_SI): New function.
978 (frv_cache_data_in_buffer): New function.
979 (frv_cache_data_flushed): New function.
980 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
981 (frv_cache_enabled): New function.
982 (non_cache_access): New function.
983 (write_data_to_memory): Count write accesses for each mode. Write to
984 memory using sim_core_write_unaligned_1;
985 (read_data_from_memory): New function.
986 (fill_line_from_memory): Use read_data_from_memory.
987 (copy_line_to_return_buffer): New function.
988 (copy_memory_to_return_buffer): New function.
989 (set_return_buffer_reqno): New function.
990 (frv_cache_read): Now takes pipe index as second argument. Check for
991 non-cache access.
992 (frv_cache_preload): Check for non-cache access.
993 (frv_cache_unlock): Check for non-cache access.
994 (invalidate_return_buffer): New function.
995 (frv_cache_invalidate): Check for non-cache access.
996 (convert_slot_to_index): New function.
997 (FREE_CHAIN_SIZE): New macro.
998 (frv_cache_request_free_chain): New static variable.
999 (frv_store_request_free_chain): New static variable.
1000 (allocate_new_cache_requests): New function.
1001 (new_cache_request): New function.
1002 (free_cache_request): New function.
1003 (new_store_request): New function.
1004 (pipeline_remove_request): New function.
1005 (pipeline_add_request): New function.
1006 (pipeline_requeue_request): New function.
1007 (next_priority): New function.
1008 (add_WAR_request): New function.
1009 (pipeline_next_request): New function.
1010 (pipeline_stage_request): New function.
1011 (advance_pipelines): New function.
1012 (frv_cache_request_load): New function.
1013 (frv_cache_request_store): New function.
1014 (frv_cache_request_invalidate): New function.
1015 (frv_cache_request_preload): New function.
1016 (frv_cache_request_unlock): New function.
1017 (address_interference): New function.
1018 (wait_for_WAR): New function.
1019 (wait_in_WAR): New function.
1020 (handle_req_load): New function.
1021 (handle_req_preload): New function.
1022 (handle_req_store): New function.
1023 (handle_req_invalidate): New function.
1024 (handle_req_unlock): New function.
1025 (handle_req_WAR): New function.
1026 (arbitrate_requests): New function.
1027 (move_ARS_to_WAR): New function.
1028 (decrease_latencies): New function.
1029 (frv_cache_run): New function.
1030 (frv_cache_read_passive_SI): New function.
1031 (frv_cache_data_in_buffer): New function.
1032 (frv_cache_data_flushed): New function.
1033 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1034
1035Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
1036
1037 * configure: Regenerated to track ../common/aclocal.m4 changes.
1038
10392000-05-19 Dave Brolley <brolley@redhat.com>
1040
1041 * traps.c (frv_rett): Check for exceptions in the order specified in the
1042 architecture spec. Allow privileged_instruction interrrupt to be handled
1043 normally.
1044 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
1045 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
1046 to clear the NE flag.
1047 (frvbf_model_tomcat_u_exec): New function.
1048 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
1049 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1050 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1051
10522000-05-18 Dave Brolley <brolley@redhat.com>
1053
1054 * sim-if.c (elf-bfd.h): #include it.
1055 (sim_open): Set machine amd architecture based on elf flags.
1056
10572000-04-04 Dave Brolley <brolley@redhat.com>
1058
1059 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1060 Delete '#if 0' blocks.
1061 * frv.c: Delete '#if 0' blocks.
1062 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1063 PSR.S and PSR.ESR.
1064 (frv_h_psr_esr_set_handler): Removed.
1065 * interrupts.c: Delete '#if 0' blocks.
1066 * memory.c: Delete '#if 0' blocks.
1067 * cpu.c,cpu.h: Regenerate.
1068
10692000-04-03 Dave Brolley <brolley@redhat.com>
1070
1071 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1072 containing the target address.
1073 (clear_nesr_neear): No longer takes hi_available and lo_available.
1074 Remove bogus check for available GR registers.
1075 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1076 (frvbf_commit): Update call to clear_nesr_neear.
1077 * interrupts.c (next_available_esr): Removed.
1078 (next_available_edr): Removed.
1079 (next_available_fq): Removed.
1080 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1081 (frvbf_store_register): Remove "FIXME" comment.
1082 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1083 (UART_OUTCHAR_ADDR): Removed.
1084 (UART_STATUS_ADDR): Removed.
1085 (UART_INPUT_READY): Removed.
1086 (UART_OUTPUT_READY): Removed.
1087 (FRV_DEVICE_ADDR): Removed.
1088 (FRV_DEVICE_LEN): Removed.
1089 (SET_NESR): Call frvbf_force_update.
1090 (SET_NEEAR): Call frvbf_force_update.
1091 (SET_NE_FLAGS): Call frvbf_force_update.
1092
10932000-03-30 Dave Brolley <brolley@redhat.com>
1094
1095 * configure: Regenerated.
1096
10972000-03-30 Dave Brolley <brolley@redhat.com>
1098
1099 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1100 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1101 performing the write.
1102 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1103 queue element with the information in the interrupt state.
1104 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1105 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1106 (frv_set_interrupt_queue_slot): New function.
1107 (esr_for_data_access_exception): New function.
1108 (set_edr_register): edr_index is now passed in.
1109 (fq_for_exception): New function.
1110 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1111 element now passed in.
1112 (set_exception_status_registers): Obtain slot from interrupt queue
1113 element. Call esr_for_data_access_exception. Use ESR14
1114 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1115 (frv_save_data_written_for_interrupts): Save slot containing the insn
1116 performing the write.
1117 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1118 frv_fsr_ftt.
1119 (struct frv_interrupt_state): Add 'slot' field.
1120 (frv_set_interrupt_queue_slot): New function.
1121 (frv_set_write_queue_slot): New function.
1122
11232000-03-24 Dave Brolley <brolley@redhat.com>
1124
1125 * mloop.in (_parallel_write_init): Initialize
1126 frv_interrupt_state.imprecise_interrupt.
1127 (_parallel_write_queued): After an imprecise interrupt, only perform
1128 forced writes and floating point writes (for certain exceptions).
1129 * interrupts.c (handle_interrupt): Set
1130 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1131 interrupt.
1132 (frv_process_interrupts): No need to clear f_ne_flags.
1133 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1134 force them to happen even if there is an overflow exception.
1135 (frvbf_force_update): New function.
1136 * frv-sim.h (frvbf_force_update): New function.
1137 (struct frv_interrupt_state): Add imprecise_interrupt.
1138 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1139 * sem.c: Regenerate.
1140
11412000-03-23 Dave Brolley <brolley@redhat.com>
1142
1143 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1144 * registers.c (frv_spr): MCIRL -> MCILR.
1145 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1146 New function.
1147 (frv_detect_insn_access_interrupts):
1148 Call frv_queue_non_implemented_instruction_interrupt.
1149 (frv_process_interrupts): Clear accumulated NE flags.
1150 * frv.c (frvbf_media_cop): New function.
1151 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1152 the NE flag of the given target register.
1153 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1154 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1155 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1156 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1157 (frvbf_model_fr500_u_float_dual_convert): New function.
1158 * frv-sim.h (frvbf_media_cop): New function.
1159 (GET_FQ): Use H_SPR_FQST0.
1160 (SET_FQ): Use H_SPR_FQST0.
1161 (SET_FQ_OPC): Use J_SPR_FQOP0.
1162 (GET_MSR_EMCI): New macro.
1163 (frv_queue_non_implemented_instruction_interrupt): New function.
1164 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1165
11662000-03-08 Dave Brolley <brolley@redhat.com>
1167
1168 * traps.c (frv_rett): Align new_pc.
1169 * memory.c (frvbf_read_mem_HI): Align address.
1170 (frvbf_read_mem_UHI): Align address.
1171 (frvbf_read_mem_SI): Align address.
1172 (frvbf_read_mem_DI): Align address.
1173 (frvbf_read_mem_DF): Align address.
1174 (frvbf_read_imem_USI): Align address.
1175 (frvbf_mem_set_HI): Align address.
1176 (frvbf_mem_set_SI): Align address.
1177 (frvbf_mem_set_DI): Align address.
1178 (frvbf_mem_set_DF): Align address.
1179 (frvbf_mem_set_XI): Align address.
1180 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1181 (fr500_spr): Initialize FSR0.NS to 1.
1182 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1183 whether the exception is masked.
1184 * frv.c (frvbf_load_quad_GR): Align address.
1185 (frvbf_store_quad_GR): Align address.
1186 (frvbf_load_quad_FRint): Align address.
1187 (frvbf_store_quad_FRint): Align address.
1188 (frvbf_load_quad_CPR): Align address.
1189 (frvbf_store_quad_CPR): Align address.
1190 * frv-sim.h (GET_ISR_EMAM): New macro.
1191
11922000-03-08 Dave Brolley <brolley@redhat.com>
1193
1194 * traps.c (frvbf_division_exception): Check for masked overflow and
1195 set NE flags, if necessary.
1196 (frvbf_check_recovering_store): Queue writes to the hardware.
1197 (check_registers_available): Removed.
1198 (which_registers_available): Call frv_{fr,gr}_registers_available.
1199 (frvbf_clear_ne_flags): Call check_register_access.
1200 (frvbf_commit): Call check_register_access.
1201 * registers.h (frv_fr_registers_available): New function.
1202 (frv_gr_registers_available): New function.
1203 (frv_check_register_access): New function.
1204 (frv_check_gr_access): New function.
1205 (frv_check_fr_access): New function.
1206 * registers.c (frv_spr): Correct initial value of ISR.
1207 (fr500_spr): Correct initial value of ISR.
1208 (frv_fr_registers_available): New function.
1209 (frv_gr_registers_available): New function.
1210 (frv_check_register_access): New function.
1211 (frv_check_gr_access): New function.
1212 (frv_check_fr_access): New function.
1213 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1214 (set_isr_exception_fields): New function.
1215 (set_exception_status_registers): Set ISR fields for division exception.
1216 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1217 * frv.c (frvbf_h_gr_get_handler): New function.
1218 (frvbf_h_gr_set_handler): New function.
1219 (frvbf_h_fr_get_handler): New function.
1220 (frvbf_h_fr_set_handler): New function.
1221 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1222 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1223 (spr_isr_get_handler): Removed.
1224 (spr_isr_set_handler): Removed.
1225 (frvbf_signed_integer_divide): New funciton.
1226 (frvbf_unsigned_integer_divide): New funciton.
1227 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1228 (frvbf_h_gr_set_handler): New function.
1229 (frvbf_h_fr_get_handler): New function.
1230 (frvbf_h_fr_set_handler): New function.
1231 (frvbf_signed_integer_divide): New funciton.
1232 (frvbf_unsigned_integer_divide): New funciton.
1233 (frv_dtt): New enumeration.
1234 (struct frv_interrupt_queue_element): Add dtt member.
1235 (GET_ISR): New macro.
1236 (SET_ISR): New macro.
1237 (GET_ISR_EDEM): New macro.
1238 (SET_ISR_DTT): New macro.
1239 (SET_ISR_AEXC): New macro.
1240 (frvbf_division_exception): Add 2 'int' arguments.
1241 (frvbf_check_non_excepting_divide): Removed.
1242 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1243
12442000-02-29 Dave Brolley <brolley@redhat.com>
1245
1246 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1247 (frv_rett): Use hardware access macros. Write PSR as a whole.
1248 (next_available_nesr): Check that NECR is valid.
1249 (next_valid_nesr): Check that NECR is valid.
1250 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1251 call hardware access functions. Use cover macros.
1252 (check_registers_available): New function.
1253 (clear_nesr_near): Check register availability.
1254 (clear_ne_flags): Check register availability.
1255 (frvbf_clear_ne_flags): Check register availability.
1256 (frvbf_commit): Check register availability.
1257 (which_registers_available): New function.
1258 * sim-main.h (registers.h): #include it.
1259 (register_control): New cpu field.
1260 (CPU_REGISTER_CONTROL): New macro.
1261 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1262 (frv_power_on_reset): Initialize SPR registers and RSTR.
1263 (frv_hardware_reset): Initialize SPR registers and RSTR.
1264 (frv_software_reset): Reset SPR registers and RSTR.
1265 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1266 Call frv_cache_init.
1267 * mloop.in (main loop): Check for insn access interrupts before
1268 executing the insn.
1269 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1270 (frv_detect_insn_access_interrupts): Don't call hardware access
1271 functions directly. Use cover macros.
1272 (check_reset): Don't reset RSTR here.
1273 (next_available_esr): ESFR -> ESFR_FLAG.
1274 (next_available_edr): ESFR -> ESFR_FLAG.
1275 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1276 ESFR -> ESFR_FLAG.
1277 (frv_break_interrupt): Don't call hardware access functions directly.
1278 Use cover macros.
1279 (frv_program_or_software_interrupt): Ditto.
1280 (frv_external_interrupt): Ditto.
1281 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1282 (frvbf_store_register): Don't call 'set' functions directly.
1283 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1284 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1285 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1286 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1287 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1288 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1289 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1290 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1291 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1292 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1293 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1294 Support shadow registers.
1295 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1296 Support shadow registers.
1297 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1298 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1299 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1300 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1301 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1302 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1303 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1304 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1305 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1306 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1307 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1308 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1309 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1310 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1311 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1312 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1313 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1314 version 1.3a.
1315 (spr_ccr_get_handler): Don't reference the hardware directly.
1316 (spr_ccr_set_handler): Don't reference the hardware directly.
1317 (spr_cccr_get_handler): Don't reference the hardware directly.
1318 (spr_cccr_set_handler): Don't reference the hardware directly.
1319 (spr_sr_get_handler): New function.
1320 (spr_sr_set_handler): New function.
1321 (frvbf_switch_supervisor_user_context): Temporarily switch to
1322 supervisor mode.
1323 (frvbf_store_quad_GR): Don't call handler directly.
1324 (frvbf_store_quad_FRint): Don't call handler directly.
1325 (frvbf_store_quad_CPR): Don't call handler directly.
1326 (frvbf_clear_all_accumulators): Removed.
1327 (frvbf_clear_accumulators): New function.
1328 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1329 Account for in_ACCGi and out_ACCGk.
1330 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1331 (RSTR_SOFTWARE_RESET): New macro.
1332 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1333 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1334 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1335 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1336 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1337 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1338 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1339 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1340 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1341 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1342 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1343 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1344 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1345 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1346 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1347 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1348 (frvbf_clear_all_accumulators): Removed.
1349 (frvbf_clear_accumulators): New function.
1350 (GET_HSR0): Use GET_H_SPR.
1351 (SET_HSR0): Use SET_H_SPR.
1352 (CLEAR_HSR0_ICE): New macro.
1353 (CLEAR_HSR0_DCE): New macro.
1354 (GET_IHSR8): Use GET_H_SPR.
1355 (GET_PSR): New macro.
1356 (SET_PSR_ET): New macro.
1357 (GET_PSR_PS): New macro.
1358 (SET_PSR_S): New macro.
1359 (GET_ESFR): Changed to reference entire register.
1360 (SET_ESFR): Changed to reference entire register.
1361 (GET_ESFR_FLAG): New macro.
1362 (SET_ESFR_FLAG): New macro.
1363 (NECR_ELOS): Removed.
1364 (NECR_NEN): Removed.
1365 (NECR_VALID): Removed.
1366 (GET_NECR): New macro.
1367 (GET_NECR_ELOS): New macro.
1368 (GET_NECR_NEN): New macro.
1369 (GET_NECR_VALID): New macro.
1370 (NESR_RANGE): Removed.
1371 (GET_NESR): Use GET_H_SPR.
1372 (GET_NE_FLAGS): Use GET_H_SPR.
1373 * cache.h (CACHE_INITIALIZED): New macro.
1374 * Makefile.in (SIM_OBJS): Add registers.o.
1375 (SIM_EXTRA_DEPS): Add registers.h.
1376 (registers.o): New target.
1377 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1378
13792000-02-17 Dave Brolley <brolley@redhat.com>
1380
1381 * interrupts.c (frv_interrupt_table): Update priority order and handler
1382 offsets to conform to the architecture version 1.3a.
1383 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1384 to the architecture version 1.3a.
1385
13862000-02-17 Dave Brolley <brolley@redhat.com>
1387
1388 * interrupts.c (frv_interrupt_table): Update priority order and handler
1389 offsets to conform to the latest specifications.
1390 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1391 queued. New variable 'iclass' used to test for external interrupts.
1392 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1393 to the latest specifications.
1394
13952000-01-20 Dave Brolley <brolley@redhat.com>
1396
1397 * sim-if.c (sim_open): Move frv-specific initialization to
1398 frv_initialize in reset.c.
1399 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1400 status bits for hardware vs software reset.
1401 * reset.c: New file.
1402 * frv-sim.h (frv_initialize): New function.
1403 (frv_power_on_reset): New function.
1404 (frv_hardware_reset): New function.
1405 (frv_software_reset): New function.
1406 (RSTR_ADDRESS): New macro.
1407 (RSTR_INITIAL_VALUE): New macro.
1408 (GET_RSTR_HR): New macro.
1409 (GET_RSTR_SR): New macro.
1410 (SET_RSTR_H): New macro.
1411 (SET_RSTR_S): New macro.
1412 (CLEAR_RSTR_P): New macro.
1413 (CLEAR_RSTR_H): New macro.
1414 (CLEAR_RSTR_S): New macro.
1415 (CLEAR_RSTR_HR): New macro.
1416 (CLEAR_RSTR_SR): New macro.
1417
14182000-01-03 Dave Brolley <brolley@cygnus.com>
1419
1420 * mloop.in (execute): Only call modeling function if the pointer is not
1421 NULL.
1422 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1423 fr500.
1424
14252000-01-03 Dave Brolley <brolley@cygnus.com>
1426
1427 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1428 (frv_options): Add --memory-latency.
1429 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1430 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1431 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1432 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1433 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1434 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1435 (update_latencies): Only clear usage flags if the register has no
1436 target latency.
1437 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1438 not |= (or assgnment).
1439 (frvbf_model_insn_after): Print post processing wait for all insns.
1440 Update prev_acc_p1 and prev_acc_p2.
1441 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1442 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1443 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1444 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1445 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1446 (frvbf_model_fr500_u_media_quad_arith): New function.
1447 (frvbf_model_fr500_u_media_dual_mul): New function.
1448 (frvbf_model_fr500_u_media_quad_mul): New function.
1449 (frvbf_model_fr500_u_media_quad_complex): New function.
1450 (frvbf_model_fr500_u_media_dual_expand): New function.
1451 (frvbf_model_fr500_u_media_dual_unpack): New function.
1452 (frvbf_model_fr500_u_media_dual_btoh): New function.
1453 (frvbf_model_fr500_u_media_dual_htob): New function.
1454 (frvbf_model_fr500_u_media_dual_btohe): New function.
1455 (frv_ref_SI): New function.
1456 * cache.h (FRV_CACHE): Add memory_latency field.
1457 * cache.c (frv_cache_init): Initialize memory_latency.
1458 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1459
14601999-12-17 Dave Brolley <brolley@cygnus.com>
1461
1462 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1463 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1464 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1465 (OPTIONS_FRV_TIMER): New enumeration.
1466 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1467 (frv_option_handler): Override common implementation of -p. Handle
1468 --profile-cache, --profile-parallel, --timer.
1469 * mloop.in (execute): Call profiling functions if the timer interrupt
1470 is enabled.
1471 (@cpu@_simulate_insn_prefetch): New function.
1472 (main loop): Call @cpu@_simulate_insn_prefetch.
1473 * interrupts.c (frv_queue_interrupt): Don't queue two external
1474 interrupts of the same priority.
1475 (frv_queue_external_interrupt): New function.
1476 (frv_external_interrupt): New function.
1477 (handle_interrupt): Handle external interrupts.
1478 (check_reset): New function.
1479 (frv_process_interrupts): Call check_reset.
1480 * frv.c: Include "bfd.h"
1481 (frvbf_h_psr_get_handler): Set the PIL field.
1482 (frvbf_h_psr_set_handler): Get the PIL field.
1483 (DUAL_REG): New macro.
1484 (DUAL_DOUBLE): New macro.
1485 (SET_USE_IS_FPOP): New macro.
1486 (SET_USE_NOT_FPOP): New macro.
1487 (USE_IS_FPOP): New macro.
1488 (SET_USE_IS_MEDIA): New macro.
1489 (SET_USE_NOT_MEDIA): New macro.
1490 (USE_IS_MEDIA_P1): New macro.
1491 (SET_USE_IS_MEDIA_P1): New macro.
1492 (SET_USE_NOT_MEDIA_P1): New macro.
1493 (SET_USE_IS_MEDIA_P2): New macro.
1494 (SET_USE_NOT_MEDIA_P2): New macro.
1495 (USE_IS_MEDIA_P2): New macro.
1496 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1497 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1498 (ACC_USE_IS_MEDIA_P1): New macro.
1499 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1500 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1501 (ACC_USE_IS_MEDIA_P2): New macro.
1502 (RESOURCE_IDIV): New macro.
1503 (RESOURCE_FDIV): New macro.
1504 (RESOURCE_SQRT): New macro.
1505 (fr_busy_adjust): New array.
1506 (acc_busy_adjust): New array.
1507 (apply_latency_adjustments): New function.
1508 (update_latencies): New function.
1509 (handle_wait_cycles): New function.
1510 (handle_resource_wait): New function.
1511 (update_target_latencies): New function.
1512 (frvbf_model_insn_before): Add resource latency to cycle counts.
1513 (frvbf_model_insn_after): Add resource latency to cycle counts.
1514 (update_GR_latency): New function.
1515 (update_GRdouble_latency): New function.
1516 (update_FR_latency): New function.
1517 (update_FRdouble_latency): New function.
1518 (decrease_ACC_busy): New function.
1519 (decrease_FR_busy): New function.
1520 (increase_FR_busy): New function.
1521 (update_ACC_latency): New function.
1522 (update_CCR_latency): New function.
1523 (update_idiv_resource_latency): New function.
1524 (update_fdiv_resource_latency): New function.
1525 (update_fsqrt_resource_latency): New function.
1526 (vliw_wait_for_GR): New function.
1527 (vliw_wait_for_GRdouble): New function.
1528 (vliw_wait_for_FR): New function.
1529 (vliw_wait_for_FRdouble): New function.
1530 (vliw_wait_for_CCR): New function.
1531 (vliw_wait_for_ACC): New function.
1532 (vliw_wait_for_idiv_resource): New function.
1533 (vliw_wait_for_fdiv_resource): New function.
1534 (vliw_wait_for_fsqrt_resource): New function.
1535 (enforce_full_fr_latency): New function.
1536 (frvbf_model_fr500_u_exec): New function.
1537 (frvbf_model_fr500_u_integer): New function.
1538 (frvbf_model_fr500_u_imul): New function.
1539 (frvbf_model_fr500_u_idiv): New function.
1540 (frvbf_model_fr500_u_branch): New function.
1541 (frvbf_model_fr500_u_set_hilo): New function.
1542 (frvbf_model_fr500_u_gr_load_store): New function.
1543 (frvbf_model_fr500_u_fr_load_store): New function.
1544 (frvbf_model_fr500_u_swap): New function.
1545 (frvbf_model_fr500_u_fr2fr): New function.
1546 (frvbf_model_fr500_u_fr2gr): New function.
1547 (frvbf_model_fr500_u_spr2gr): New function.
1548 (frvbf_model_fr500_u_gr2fr): New function.
1549 (frvbf_model_fr500_u_gr2spr): New function.
1550 (post_wait_for_FR): New function.
1551 (post_wait_for_FRdouble): New function.
1552 (post_wait_for_ACC): New function.
1553 (post_wait_for_CCR): New function.
1554 (post_wait_for_fdiv): New function.
1555 (post_wait_for_fsqrt): New function.
1556 (adjust_float_register_busy): New function.
1557 (adjust_double_register_busy): New function.
1558 (restore_float_register_busy): New function.
1559 (restore_double_register_busy): New function.
1560 (frvbf_model_fr500_u_float_arith): New function.
1561 (frvbf_model_fr500_u_float_dual_arith): New function.
1562 (frvbf_model_fr500_u_float_div): New function.
1563 (frvbf_model_fr500_u_float_sqrt): New function.
1564 (frvbf_model_fr500_u_float_compare): New function.
1565 (frvbf_model_fr500_u_float_dual_compare): New function.
1566 (frvbf_model_fr500_u_float_convert): New function.
1567 (frvbf_model_fr500_u_media): New function.
1568 (frvbf_model_fr500_u_barrier): New function.
1569 (frvbf_model_fr500_u_membar): New function.
1570 * frv-sim.h (LEUINT): New macro.
1571 (GET_HSR0_SA): New macro.
1572 (struct frv_interrupt_timer): New struct.
1573 (struct frv_interrupt_state): Add timer fiield.
1574 (frv_queue_external_interrupt): New function.
1575 (frv_external_interrupt): New function.
1576 (frv_profile_info): New function.
1577 (PROFILE_CACHE_IDX): New enumerator.
1578 (PROFILE_PARALLEL_IDX): New enumerator.
1579 (PROFILE_cache): New macro.
1580 (PROFILE_parallel): New macro.
1581 (WITH_PROFILE_CACHE_P): New macro.
1582 (WITH_PROFILE_PARALLEL_P): New macro.
1583 * cache.h (FRV_CACHE): Add last_was_hit field.
1584 * cache.c (get_tag): Use new last_was_hit field.
1585 (frv_cache_read): Ditto.
1586 (frv_cache_write): Ditto.
1587 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1588
15891999-12-13 Dave Brolley <brolley@cygnus.com>
1590
1591 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1592 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1593 sim_queue_fn_di_write.
1594 (frvbf_media_cut_ss): New function.
1595 * frv-sim.h (frvbf_media_cut_ss): New function.
1596 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1597
15981999-12-13 Dave Brolley <brolley@cygnus.com>
1599
1600 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1601 no constraints.
1602 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1603 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1604 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1605 FRV_IS_MEDIA_INSN.
1606 * frv.c (frvbf_model_simple_u_exec): New function.
1607 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1608 (FRV_IS_MEDIA_INSN): Range includes M-8.
1609
1610 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1611 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1612 Regenerate.
1613
16141999-12-10 Dave Brolley <brolley@cygnus.com>
1615
1616 * traps.c (check_registers_available): New function.
1617 (clear_ne_flags): Generate register_exception if register(s) not
1618 available.
1619 (frvbf_commit): Generate register_exception if register(s) not
1620 available.
1621 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1622 GR4-GR7 to SR0-SR4.
1623 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1624 PSR.ESR.
1625 (frvbf_h_psr_s_set_handler): New function.
1626 (frvbf_h_psr_esr_set_handler): New function.
1627 (frvbf_switch_supervisor_user_context): New function.
1628 (frvbf_scan_result): Reflect latest ISA.
1629 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1630 (frvbf_h_psr_esr_set_handler): New function.
1631 (frvbf_switch_supervisor_user_context): New function.
1632 (GET_HSR0_FRN): New Macro.
1633 (GET_HSR0_GRN): New Macro.
1634 (GET_HSR0_FRHE): New Macro.
1635 (GET_HSR0_FRLE): New Macro.
1636 (GET_HSR0_GRHE): New Macro.
1637 (GET_HSR0_GRLE): New Macro.
1638 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1639 (GET_ESFR): New bit ordering.
1640 (SET_ESFR): New bit ordering.
1641 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1642
16431999-12-10 Michael Meissner <meissner@cygnus.com>
1644
1645 * Makefile.in (sim-if.o): Add eng.h dependency.
1646
16471999-12-09 Dave Brolley <brolley@cygnus.com>
1648
1649 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1650 Pass sc->last_insn_p to @cpu@_model_insn_before.
1651 (main loop): Compute sc->first_insn_p.
1652 * frv.c (frvbf_model_insn_before): Set state variables.
1653 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1654 (frvbf_model_fr500_u_integer): Remove.
1655 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1656
16571999-12-07 Dave Brolley <brolley@cygnus.com>
1658
1659 * sim-main.h (cache.h): Include it.
1660 (insn_cache): New member.
1661 (data_cache): New member.
1662 (CPU_INSN_CACHE): New macro.
1663 (CPU_DATA_CACHE): New macro.
1664 * sim-if.c (WANT_CPU): New macro.
1665 (WANT_CPU_FRVBF): New macro.
1666 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1667 data and insn caches for each cpu.
1668 (sim_close): Call frv_cache_term for the insn and data caches of each
1669 cpu.
1670 * mloop.in (extract): Read insn from the cache.
1671 (main loop): Access the insn cache in order to maintain stats.
1672 * memory.c (data_non_cache_access): New function.
1673 (insn_non_cache_access): New function.
1674 (frvbf_read_mem_QI): Attempt to read from the cache first.
1675 (frvbf_read_mem_UQI): Ditto.
1676 (frvbf_read_mem_HI): Ditto.
1677 (frvbf_read_mem_UHI): Ditto.
1678 (frvbf_read_mem_SI): Ditto.
1679 (frvbf_read_mem_DI): Ditto.
1680 (frvbf_read_mem_DF): Ditto.
1681 (frvbf_read_imem_USI): New function.
1682 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1683 (frvbf_write_mem_UQI): Ditto.
1684 (frvbf_write_mem_HI): Ditto.
1685 (frvbf_write_mem_UHI): Ditto.
1686 (frvbf_write_mem_SI): Ditto.
1687 (frvbf_write_mem_DI): Ditto.
1688 (frvbf_write_mem_DF): Ditto.
1689 (frvbf_mem_set_QI): New function.
1690 (frvbf_mem_set_HI): New function.
1691 (frvbf_mem_set_SI): New function.
1692 (frvbf_mem_set_DI): New function.
1693 (frvbf_mem_set_DF): New function.
1694 (frvbf_mem_set_XI): New function.
1695 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1696 CGEN_FN_MEM_QI_WRITE,
1697 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1698 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1699 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1700 Call sim_queue_fn_mem_xi_write.
1701 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1702 Call sim_queue_fn_mem_xi_write.
1703 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1704 Call sim_queue_fn_mem_xi_write.
1705 (frvbf_insn_cache_preload): New function.
1706 (frvbf_data_cache_preload): New function.
1707 (frvbf_insn_cache_unlock): New function.
1708 (frvbf_data_cache_unlock): New function.
1709 (frvbf_insn_cache_invalidate): New function.
1710 (frvbf_data_cache_invalidate): New function.
1711 (frvbf_data_cache_flush): New function.
1712 * frv-sim.h (sim-options.h): Include it.
1713 (GET_HSR0): New macro.
1714 (SET_HSR0): New macro.
1715 (GET_HSR0_ICE): New macro.
1716 (SET_HSR0_ICE): New macro.
1717 (GET_HSR0_DCE): New macro.
1718 (SET_HSR0_DCE): New macro.
1719 (GET_HSR0_CBM): New macro.
1720 (GET_HSR0_RME): New macro.
1721 (GET_IHSR8): New macro.
1722 (GET_IHSR8_NBC): New macro.
1723 (frvbf_insn_cache_preload): New function.
1724 (frvbf_data_cache_preload): New function.
1725 (frvbf_insn_cache_unlock): New function.
1726 (frvbf_data_cache_unlock): New function.
1727 (frvbf_insn_cache_invalidate): New function.
1728 (frvbf_data_cache_invalidate): New function.
1729 (frvbf_data_cache_flush): New function.
1730 (insn_non_cache_access): New function.
1731 (frvbf_read_imem_USI): New function.
1732 (frvbf_mem_set_QI): New function.
1733 (frvbf_mem_set_HI): New function.
1734 (frvbf_mem_set_SI): New function.
1735 (frvbf_mem_set_DI): New function.
1736 (frvbf_mem_set_DF): New function.
1737 (frvbf_mem_set_XI): New function.
1738 (frv_options): FRV specific command line options.
1739 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1740 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1741 (cache.o): New target.
1742 (options.o): New target.
1743 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1744 * cache.h: New file.
1745 * cache.c: New file.
1746 * options.c: New file.
1747
17481999-11-29 Dave Brolley <brolley@cygnus.com>
1749
1750 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1751 (frvbf_check_non_excepting_divide): Ditto.
1752 (clear_ne_flags): Ditto
1753 (frvbf_commit): Ditto.
1754 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1755 * mloop.in (_parallel_write_init): Clear NE flags here.
1756 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1757 for non excepting insns. Also check for masked interrupts here.
1758 (frv_process_interrupts): Write NE flags here.
1759 (set_fp_exception_registers): No longer check for masked interrupts
1760 here.
1761 (check_for_compound_interrupt): No need to worry about masked
1762 interrupts.
1763 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1764 (GET_NE_FLAGS): New macro.
1765 (SET_NE_FLAGS): New macro.
1766 (GET_NE_FLAG): Operate on accumulated argument.
1767 (SET_NE_FLAG): Operate on accumulated argument.
1768 (CLEAR_NE_FLAG): Operate on accumulated argument.
1769 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1770 (frv.o): Correct dependencies.
1771 (traps.o): Ditto.
1772 (pipeline.o): Ditto.
1773 (interrupts.o): Ditto.
1774 (memory.o): Ditto.
1775 * sem.c: Regenerate.
1776
17771999-11-26 Dave Brolley <brolley@cygnus.com>
1778
1779 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1780 there is an exception indicated in the mask.
1781 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1782 state when adding a floating point insn to the pipeline.
1783 * interrupts.c (set_fp_exception_registers): Set NE flag for
1784 non-excepting insns.
1785 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1786 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1787 (frvbf_h_fr_int_get_handler): New function.
1788 (frvbf_h_fr_int_set_handler): New function.
1789 (frvbf_set_ne_index): New function.
1790 (NE_NOFLAG): New macro.
1791 (frv_interrupt_state): Add ne_index member.
1792 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1793 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1794 (frvbf_h_fr_int_get_handler): New function.
1795 (frvbf_h_fr_int_set_handler): New function.
1796 (frvbf_set_ne_index): New function.
1797 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1798
17991999-11-24 Dave Brolley <brolley@cygnus.com>
1800
1801 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1802
18031999-11-23 Dave Brolley <brolley@cygnus.com>
1804
1805 * frv-sim.h (frvbf_media_cut): New function.
1806 * frv.c (frvbf_media_cut): New function.
1807 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1808
18091999-11-22 Dave Brolley <brolley@cygnus.com>
1810
1811 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1812 * frv.c.h (frvbf_clear_all_accumulators): New function.
1813 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1814
18151999-11-18 Dave Brolley <brolley@cygnus.com>
1816
1817 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1818 if this is the first insn of its class in the pipeline.
1819 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1820 * traps.c (frvbf_media_register_not_aligned): New function.
1821 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1822
18231999-11-17 Dave Brolley <brolley@cygnus.com>
1824
1825 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1826 * frv-sim.h (OR_MSR_SIE): New macro.
1827 (CLEAR_MSR_SIE): New macro.
1828 (frvbf_media_overflow): Now takes sie argument.
1829 (frv_set_mp_exception_registers): Now takes sie argument.
1830 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1831 Set MSRx.SIE field.
1832 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1833
18341999-11-15 Dave Brolley <brolley@cygnus.com>
1835
1836 * traps.c (frv_mtrap): New function.
1837 (frvbf_media_cr_not_aligned): New function.
1838 (frvbf_media_acc_not_aligned): New function.
1839 (frvbf_media_overflow): New function.
1840 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1841 * interrupts.c: Call frv_set_mp_exception_registers.
1842 (frv_set_mp_exception_registers): New function.
1843 * frv-sim.h (frv_msr_mtt): New enumeration.
1844 (GET_MSR): New macro.
1845 (SET_MSR): New macro.
1846 (GET_MSR_AOVF): New macro.
1847 (SET_MSR_AOVF): New macro.
1848 (GET_MSR_OVF): New macro.
1849 (SET_MSR_OVF): New macro.
1850 (CLEAR_MSR_OVF): New macro.
1851 (GET_MSR_MTT): New macro.
1852 (SET_MSR_MTT): New macro.
1853 (frv_set_mp_exception_registers): New function.
1854 (frv_mtrap): New function.
1855 (FRV_IS_MEDIA_INSN): New macro.
1856 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1857
18581999-11-10 Dave Brolley <brolley@cygnus.com>
1859
1860 * sim-main.h (_sim_cpu): Add debug_state member.
1861 * mloop.in (_parallel_write_queued): Clear data_written.length.
1862 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1863 handler is 0xff.
1864 (frv_queue_break_interrupt): New function.
1865 (frv_break_interrupt): New function.
1866 (handle_interrupt): Handle break_interrupt.
1867 (frv_non_operating_interrupt): Now takes interrupt_kind.
1868 * frv-sim.h (frv_queue_break_interrupt): New function.
1869 (frv_break_interrupt): New function.
1870 (frv_break): New function.
1871 (frv_non_operating_interrupt): Now takes interrupt_kind.
1872 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1873
18741999-11-09 Dave Brolley <brolley@cygnus.com>
1875
1876 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1877 a floating point insn.
1878 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1879 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1880 frv_queue_fp_exception_interrupt.
1881 (frv_queue_fp_exception_interrupt): New function.
1882 (next_available_fq): New function.
1883 (set_fp_exception_registers): New function.
1884 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1885 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1886 (frv_program_interrupt): Don't process interrupt if it is masked.
1887 * frv.c (frvbf_h_fr_double_get_handler): Call
1888 frv_queue_fp_exception_interrupt.
1889 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1890 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1891 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1892 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1893 (frv_fp_exception_info): New struct type.
1894 (frv_interrupt_queue_element): Add fp_info member.
1895 (frv_fsr_traps): New enumeration.
1896 (frv_fsr_ftt): New enumeration.
1897 (frv_sie): New enumeration.
1898 (frv_miv): New enumeration.
1899 (GET_FSR): New macro.
1900 (SET_FSR): New macro.
1901 (GET_FSR_TEM): New macro.
1902 (SET_FSR_QNE): New macro.
1903 (SET_FSR_FTT): New macro.
1904 (GET_FSR_AEXC): New macro.
1905 (SET_FSR_AEXC): New macro.
1906 (GET_FQ): New macro.
1907 (SET_FQ): New macro.
1908 (SET_FQ_OPC): New macro.
1909 (SET_FQ_MIV): New macro.
1910 (SET_FQ_SIE): New macro.
1911 (SET_FQ_FTT): New macro.
1912 (SET_FQ_CEXC): New macro.
1913 (GET_FQ_VALID): New macro.
1914 (SET_FQ_VALID): New macro.
1915 (frv_queue_fp_exception_interrupt): New function.
1916 (FRV_IS_FLOAT_INSN): New macro.
1917
19181999-11-04 Dave Brolley <brolley@cygnus.com>
1919
1920 * traps.c (frvbf_fpu_error): No floating point errors need to be
1921 detected.
1922 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1923 of the ESR registers too.
1924 (set_exception_status_registers): Don't set EAR for any precise
1925 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1926 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1927 (non_operating_interrupt): No need for return code.
1928 (frv_program_or_software_interrupt): Process interrupt regardless
1929 of operating mode. If PSR.ET was not set at the start of processing,
1930 then stop the simulation with a message.
1931 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1932 CGEN_MEM_XI_WRITE.
1933 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1934 (frvbf_h_fr_quad_set_handler): New function.
1935 (frvbf_h_cpr_quad_set_handler): New function.
1936 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1937 sim_queue_fn_xi_write.
1938 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1939 sim_queue_fn_xi_write.
1940 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1941 sim_queue_fn_xi_write.
1942 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1943 sim_queue_mem_xi_write.
1944 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1945 sim_queue_mem_xi_write.
1946 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1947 sim_queue_mem_xi_write.
1948 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1949 (frvbf_h_fr_quad_set_handler): New function.
1950 (frvbf_h_cpr_quad_set_handler): New function.
1951 (SET_ESR_VALID): New macro.
1952 (CLEAR_ESR_VALID): New macro.
1953 (CLEAR_ESR_EAV): New macro.
1954 (CLEAR_ESR_EDV): New macro.
1955 * sem.c: Regenerate.
1956
19571999-11-02 Dave Brolley <brolley@cygnus.com>
1958
1959 * traps.c (frv_core_signal): Call
1960 frv_queue_mem_address_not_aligned_interrupt.
1961 * mloop.in (_parallel_write_queued): Call
1962 frv_save_data_written_for_interrupts.
1963 * frv.c (frvbf_h_gr_double_get_handler): Call
1964 frv_queue_register_exception_interrupt.
1965 (frvbf_h_cpr_double_get_handler): Call
1966 frv_queue_register_exception_interrupt.
1967 (frvbf_h_cpr_double_set_handler): Call
1968 frv_queue_register_exception_interrupt.
1969 (frvbf_load_multiple_GR): Call
1970 frv_queue_register_exception_interrupt.
1971 (frvbf_store_multiple_GR): Call
1972 frv_queue_register_exception_interrupt.
1973 (frvbf_load_multiple_CPR): Call
1974 frv_queue_register_exception_interrupt.
1975 (frvbf_store_multiple_CPR): Call
1976 frv_queue_register_exception_interrupt.
1977 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1978 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1979 queue element.
1980 (frv_queue_program_interrupt): Now returns interrupt queue element.
1981 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1982 element.
1983 (frv_queue_interrupt): Now returns interrupt queue element.
1984 (frv_queue_register_exception_interrupt): New function.
1985 (frv_queue_mem_address_not_aligned_interrupt): New function.
1986 (frv_save_data_written_for_interrupts): New function.
1987 (next_available_edr): EDR registers available in blocks of 4.
1988 (clear_exception_status_registers): New function.
1989 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1990
1991 * frv-sim.h (struct frv_data_written): New struct type.
1992 (frv_interrupt_queue_element): Add data_written member.
1993 (frv_queue_software_interrupt): Now returns interrupt queue element.
1994 (frv_queue_program_interrupt): Now returns interrupt queue element.
1995 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1996 element.
1997 (frv_queue_interrupt): Now returns interrupt queue element.
1998 (frv_queue_register_exception_interrupt): New function.
1999 (frv_queue_mem_address_not_aligned_interrupt): New function.
2000 (frv_save_data_written_for_interrupts): New function.
2001
20021999-10-27 Dave Brolley <brolley@cygnus.com>
2003
2004 * interrupts.c (ITABLE_ENTRY): New macro.
2005 (frv_interrupt_table): Add exception codes.
2006 (next_available_esr): New function.
2007 (next_available_edr): New function.
2008 (set_edr_register): New function.
2009 (set_exception_status_registers): New function.
2010 (check_for_compound_interrupt): Record information on all interrupts
2011 found.
2012 (frv_program_interrupt): Always call check_for_compound_interrupt.
2013 * frv.c (frvbf_h_pc_set_handler): Removed.
2014 (frvbf_h_spr_get_handler): Handle LR register.
2015 (frvbf_h_spr_set_handler): Handle LR register.
2016 (frvbf_h_lr_get_handler): New function.
2017 (frvbf_h_lr_set_handler): New function.
2018 * frv-sim.h (frvbf_h_lr_get_handler): New function.
2019 (frvbf_h_lr_set_handler): New function.
2020 (frv_ec): New enumeration.
2021 (frv_interrupt): Add frv_ec field.
2022 (frv_rec): New enumeration.
2023 (frv_daec): New enumeration.
2024 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
2025 (SET_ESR_EC): New macro.
2026 (SET_ESR_REC): New macro.
2027 (SET_ESR_IAEC): New macro.
2028 (SET_ESR_DAEC): New macro.
2029 (SET_ESR_EAV): New macro.
2030 (GET_ESR_EDV): New macro.
2031 (SET_ESR_EDV): New macro.
2032 (GET_ESR_EDN): New macro.
2033 (SET_ESR_EDN): New macro.
2034 (GET_ESR): New macro.
2035 (SET_ESR): New macro.
2036 (SET_EPCR): New macro.
2037 (SET_EAR): New macro.
2038 (SET_EDR): New macro.
2039 (GET_ESFR): New macro.
2040 (SET_ESFR): New macro.
2041 * cpu.c,cpu.h,sem.c: Rebuild.
2042
20431999-10-26 Dave Brolley <brolley@cygnus.com>
2044
2045 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
2046 if mach is frv.
2047 (clear_nesr_neear): Only execute if mach is frv.
2048
20491999-10-22 Dave Brolley <brolley@cygnus.com>
2050
2051 * sim-main.h (sim_cpu): Add pipeline.
2052 (CPU_PIPELINE): New macro.
2053 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2054 (main loop): Maintain pc in cpu.
2055 * frv-sim.h (frv_queue_software_interrupt): New interface.
2056 (frv_queue_program_interrupt): New interface.
2057 (frv_queue_illegal_instruction_interrupt: New interface.
2058 (frv_queue_interrupt): New interface.
2059 (frv_detect_insn_access_interrupts): New interface.
2060 (frv_process_interrupts): New interface.
2061 (frv_program_interrupt): New interface.
2062 (frv_software_interrupt): New interface.
2063 (frv_program_or_software_interrupt): New interface.
2064 (FRV_PIPELINE): Moved from pipline.c.
2065 (frv_pipeline_reset): New interface.
2066 (frv_pipeline_add_insn): New interface.
2067 * interrupts.c (frv_queue_software_interrupt): New interface.
2068 (frv_queue_program_interrupt): New interface.
2069 (frv_queue_illegal_instruction_interrupt: New interface.
2070 (frv_queue_interrupt): New interface.
2071 (frv_detect_insn_access_interrupts): New interface.
2072 (frv_process_interrupts): New interface.
2073 (frv_program_interrupt): New interface.
2074 (frv_software_interrupt): New interface.
2075 (frv_program_or_software_interrupt): New interface.
2076 * frv.c: Use new interfaces.
2077 * pipeline.c: Use new interfaces.
2078 * traps.c: Use new interfaces.
2079 * memory.c: Use new interfaces.
2080 (frv_address_forbidden): No longer static.
2081
20821999-10-19 Dave Brolley <brolley@cygnus.com>
2083
2084 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2085 NESR.EC.
2086 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2087 * frv.c (frvbf_h_pc_set_handler): New function.
2088 * interrupts.c (frv_detect_data_interrupt): Removed.
2089 (address_forbidden): Removed.
2090 * frv-sim.h (frv_detect_data_interrupt): Removed.
2091 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2092 (NESR_REGISTER_NOT_ALIGNED): New macro.
2093 (NESR_UQI_SIZE): New macro.
2094 (NESR_QI_SIZE): New macro.
2095 (NESR_UHI_SIZE): New macro.
2096 (NESR_HI_SIZE): New macro.
2097 (NESR_SI_SIZE): New macro.
2098 (NESR_DI_SIZE): New macro.
2099 (NESR_XI_SIZE): New macro.
2100 (GET_NESR_DAEC): New macro.
2101 (SET_NESR_DAEC): New macro.
2102 (GET_NESR_REC): New macro.
2103 (SET_NESR_REC): New macro.
2104 (GET_NESR_EC): New macro.
2105 (SET_NESR_EC): New macro.
2106 (frvbf_read_mem_QI): New function.
2107 (frvbf_read_mem_UQI): New function.
2108 (frvbf_read_mem_HI): New function.
2109 (frvbf_read_mem_UHI): New function.
2110 (frvbf_read_mem_SI): New function.
2111 (frvbf_read_mem_WI): New function.
2112 (frvbf_read_mem_DI): New function.
2113 (frvbf_read_mem_DF): New function.
2114 (frvbf_write_mem_QI): New function.
2115 (frvbf_write_mem_UQI): New function.
2116 (frvbf_write_mem_HI): New function.
2117 (frvbf_write_mem_UHI): New function.
2118 (frvbf_write_mem_SI): New function.
2119 (frvbf_write_mem_WI): New function.
2120 (frvbf_write_mem_DI): New function.
2121 (frvbf_write_mem_DF): New function.
2122 * Makefile.in (SIM_OBJS): Add memory.o.
2123 * cpu.c,cpu.h,sem.c: Rebuild.
2124
21251999-10-18 Dave Brolley <brolley@cygnus.com>
2126
2127 * sim-if.c (sim_open): Use a real fpu error function.
2128 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2129 * mloop.in (_parallel_write_queued): Clear queue after writing.
2130 * interrupts.c (check_for_compound_interrupt): New function.
2131 (non_operating_interrupt): New function.
2132 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2133 (frvbf_h_gr_double_set_handler): New function.
2134 (frvbf_h_fr_double_get_handler): New function.
2135 (frvbf_h_fr_double_set_handler): New function.
2136 (frvbf_h_cpr_double_get_handler): New function.
2137 (frvbf_h_cpr_double_set_handler): New function.
2138 (frv_interrupt_queue_element): New struct type.
2139 (frv_queue_program_interrupt): Now takes pc.
2140 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2141 (frv_queue_interrupt): Now takes pc.
2142 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2143 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2144 (frvbf_division_exception): New function.
2145 (frvbf_fpu_error): New function.
2146 (frvbf_load_multiple_GR): New function.
2147 (frvbf_load_multiple_FR): New function.
2148 (frvbf_load_multiple_CPR): New function.
2149 * frv.c (frvbf_h_gr_double_get_handler): New function.
2150 (frvbf_h_gr_double_set_handler): New function.
2151 (frvbf_h_fr_double_get_handler): New function.
2152 (frvbf_h_fr_double_set_handler): New function.
2153 (frvbf_h_cpr_double_get_handler): New function.
2154 (frvbf_h_cpr_double_set_handler): New function.
2155 (frv_interrupt_queue_element): New struct type.
2156 (frv_queue_program_interrupt): Now takes pc.
2157 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2158 (frv_queue_interrupt): Now takes pc.
2159 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2160 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2161 (frvbf_fpu_error): New function.
2162 (frvbf_load_multiple_GR): New function.
2163 (frvbf_load_multiple_FR): New function.
2164 (frvbf_load_multiple_CPR): New function.
2165 * traps.c (frvbf_division_exception): New function.
2166 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2167
21681999-10-12 Dave Brolley <brolley@cygnus.com>
2169
2170 * mloop.in (new_vpc): New variable.
2171 (main loop): Call frv_detect_insn_access_interrupts. Call
2172 frv_detect_data_interrupts.
2173 * interrupts.c (access_queued_to): New function.
2174 (frv_detect_data_interrupts): New function.
2175 (frv_detect_insn_access_interrupts): New function.
2176 (frv_program_or_software_interrupt): Set PSR.S.
2177 * frv-sim.h (frv_detect_data_interrupts): New function.
2178 (frv_detect_insn_interrupts): New function.
2179
21801999-10-07 Dave Brolley <brolley@cygnus.com>
2181
2182 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2183 (frvbf_h_gr_hi_set_handler): New function.
2184 (frvbf_h_gr_lo_get_handler): New function.
2185 (frvbf_h_gr_lo.set_handler): New function.
2186 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2187 (frvbf_h_gr_hi_set_handler): New function.
2188 (frvbf_h_gr_lo_get_handler): New function.
2189 (frvbf_h_gr_lo.set_handler): New function.
2190 (frvbf_model_fr500_u_integer): New function.
2191 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2192
21931999-10-04 Dave Brolley <brolley@cygnus.com>
2194
2195 * traps.c: Use sim_engine_abort.
2196 * pipeline.c (frv_pipeline): Add field for insn major.
2197 (add_next_to_pipe): Return address of matching pipeline.
2198 (find_major_in_pipeline): New function.
2199 (check_insn_major_constraints: New function.
2200 (frv_pipeline_add_insn): Add checks for insn major constraints.
2201 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2202 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2203
2204Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2205
2206 * pipeline.c: New file.
2207 * mloop.in (main loop): Call frv_pipeline_reset.
2208 Call frv_pipeline_add_insn.
2209 * frv-sim.h (frv_pipeline_reset): New function.
2210 (frv_pipeline_add_insn): New function.
2211 * Makefile.in (SIM_OBJS): Add pipeline.o
2212
22131999-09-29 Doug Evans <devans@casey.cygnus.com>
2214
2215 * sem.c: Rebuild.
2216 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2217 result to SEM_PC. Return vpc.
2218
2219Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2220
2221 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2222 (frv_queue_interrupt): Don't detect identical interrupts here.
2223
2224Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2225
2226 * interrupts.c: New file.
2227 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2228 (frv_software_interrupt): Moved to interrupts.c.
2229 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2230 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2231 (@cpu@_perform_writeback): New function.
2232 (main loop): Call frv_process_interrupts.
2233 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2234 (frv_itrap): New interface.
2235 (frv_interrupt_class): New enumeration.
2236 (frv_interrupt_kind): New enumeration.
2237 (struct frv_interrupt): New struct type.
2238 (frv_interrupt_table): New table of interrupt information.
2239 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2240 (struct frv_interrupt_state): New struct type.
2241 (frv_interrupt_state): New global variable.
2242 (previous_vliw_pc): New global variable.
2243 (frv_queue_software_interrupt): New function.
2244 (frv_queue_program_interrupt): New function.
2245 (frv_queue_interrupt): New function.
2246 (frv_process_interrupts): New function.
2247 (frv_program_interrupt): New function.
2248 (frv_software_interrupt): New function.
2249 (frv_program_or_software_interrupt): New function.
2250 (frv_clear_interrupt_classes): New function.
2251 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2252 * Makefile.in (SIM_OBJS): Add interrupts.o
2253 * sem.c: Rebuild.
2254
22551999-09-25 Doug Evans <devans@casey.cygnus.com>
2256
2257 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2258
2259Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2260
2261 * mloop.in (main loop): Determine last insn from scache entry.
2262 * cpu.h: Rebuild.
2263 * cpuall.h: Rebuild.
2264
2265Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2266
2267 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2268 (NECR_ELOS): Define as unshifted value.
2269 (NECR_NEN): Define as unshifted value.
2270 (NECR_VALID): Define as unshifted value.
2271 (SET_NESR): Rewite to use post-write queue.
2272 (SET_NESR_VALID): Rewite to operate on argument.
2273 (SET_NESR_EAV): Rewite to operate on argument.
2274 (SET_NESR_FR): Rewite to operate on argument.
2275 (CLEAR_NESR_FR): Rewite to operate on argument.
2276 (SET_NESR_DRN): Rewite to operate on argument.
2277 (SET_NESR_SIZE): Rewite to operate on argument.
2278 (SET_NESR_NEAN): Rewite to operate on argument.
2279 (SET_NEEAR): Rewite to use post-write queue.
2280 (SET_NE_FLAG): Rewite to use post-write queue.
2281 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2282 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2283 (frv_rett): Rewite to use post-write queue.
2284 (next_available_nesr): Rewrite to use new macro interfaces.
2285 (next_valid_nesr): Ditto.
2286 (frvbf_check_non_excepting_load): Ditto.
2287 (frvbf_check_recovering_store): Ditto.
2288 (clear_nesr_neear): Ditto.
2289 (clear_ne_flags): Ditto.
2290 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2291 when flag is set.
2292 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2293 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2294 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2295 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2296 * Makefile.in (frv.o): Depend on cgen-par.h.
2297
2298Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2299
2300 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2301 (frvbf_write_next_vliw_addr_to_LR): New flag.
2302 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2303 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2304 address of the next VLIW insn if flag is set.
2305 * cpu.h,decode.c,sem.c: Rebuild.
2306
2307Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2308
2309 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2310 * sem.c: Rebuild.
2311
23121999-09-02 Doug Evans <devans@casey.cygnus.com>
2313
2314 * configure: Regenerated to track ../common/aclocal.m4 changes.
2315
23161999-09-01 Doug Evans <devans@casey.cygnus.com>
2317
2318 * decode.c: Rebuild.
2319
2320Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2321
2322 * traps.c (frv_rett): New function.
2323 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2324 (frvbf_h_spr_set_handler): Handle bpsr.
2325 (frvbf_h_bpsr_get_handler): New function.
2326 (frvbf_h_bpsr_set_handler): New function.
2327 * frv-sim.h (frv_rett): New function.
2328 (frvbf_h_bpsr_get_handler): New function.
2329 (frvbf_h_bpsr_set_handler): New function.
2330 * mloop.in: Read actual packing bit.
2331 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2332
2333Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2334
2335 * traps.c (WANT_CPU): New macro.
2336 (WANT_CPU_FRVBF): New macro.
2337 (frvbf_check_recovering_store): Use registers for source and queue
2338 writes.
2339 * mloop.in: New main loop for parallel support.
2340 (@cpu@_parallel_write_init): New function.
2341 (@cpu@_parallel_write_queued): New function.
2342 * frv-sim.h (set_icc_for_shift_left): New interface.
2343 (set_icc_for_shift_right): New interface.
2344 (frvbf_check_recovering_store): New interface.
2345 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2346 (set_icc_for_shift_right): Pass and return icc value.
2347 (frvbf_check_recovering_store): New interface.
2348 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2349 (stamp-mloop): Add cgen parallel options.
2350 (stamp-arch): Remove with-profile option.
2351 (stamp-cpu): Add cgen parallel options.
2352 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2353
23541999-08-28 Doug Evans <devans@casey.cygnus.com>
2355
2356 * cpu.h,decode.c,sem.c: Rebuild.
2357
2358Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2359
2360 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2361
2362Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2363
2364 * configure.in: fr500 now the default model.
2365 * configure: Regenerate.
2366 * frv.c: Change frv-1 to frv-gen.
2367 (frvbf_model_fr500_u_exec): New function.
2368 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2369 * mloop.in: Fix typos in comments.
2370 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2371
23721999-08-17 Dave Brolley <brolley@cygnus.com>
2373
2374 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2375
23761999-08-09 Doug Evans <devans@casey.cygnus.com>
2377
2378 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2379
23801999-08-04 Doug Evans <devans@casey.cygnus.com>
2381
2382 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2383
2384Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2385
2386 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2387 (frvbf_store_register): Use GDB register number macros.
2388 (frvbf_cut): New function.
2389 * frv-sim.h (GR_REGNUM_MAX): New macro.
2390 (FR_REGNUM_MAX): New macro.
2391 (PC_REGNUM): New macro.
2392 (LR_REGNUM): New macro.
2393 (frvbf_cut): New function.
2394 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2395
23961999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2397
2398 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2399 add default for unhandled registers.
2400 (frvbf_store_register): Add ability to set LR register.
2401
24021999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2403
2404 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2405 (decode_gdb_dr_regnum): Remove, not used.
2406
24071999-07-13 Michael Meissner <meissner@cygnus.com>
2408
2409 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2410
2411 * configure.in (--enable-sim-trapdump): New switch to make unknown
2412 traps dump the register contents, instead of doing the trap thing.
2413 * configure: Regenerate.
2414
2415 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2416 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2417 temporarily.
2418
2419 * traps.h (toplevel): Include bfd.h, libiberity.h.
2420 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2421 dumping the registers.
2422
2423Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2424
2425 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2426
2427Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2428
2429 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2430
2431Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2432
2433 * frv.c (frvbf_square_root_SF): Removed.
2434 (frvbf_square_root_DF): Removed.
2435 (frvbf_h_fr_double_get_handler): Removed.
2436 (frvbf_h_fr_double_set_handler): Removed.
2437 (frvbf_h_fr_int_get_handler): Removed.
2438 (frvbf_h_fr_int_set_handler): Removed.
2439 * frv-sim.h (frvbf_square_root_SF): Removed.
2440 (frvbf_square_root_DF): Removed.
2441 (frvbf_h_fr_double_get_handler): Removed.
2442 (frvbf_h_fr_double_set_handler): Removed.
2443 (frvbf_h_fr_int_get_handler): Removed.
2444 (frvbf_h_fr_int_set_handler): Removed.
2445 * decode.c,decode.h,model.c,sem.c: Rebuild.
2446
24471999-07-05 Doug Evans <devans@casey.cygnus.com>
2448
2449 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2450 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2451 * sim-if.c (sim_open): Initialize fpu.
2452 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2453 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2454 with frvbf_h_fr_get.
2455
2456Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2457
2458 * frv-sim.h (NESR_RANGE): New macro.
2459 (NO_NESR): New macro.
2460 (GET_NESR_VALID): New macro.
2461 (next_ne_index): Removed.
2462 * traps.c (next_available_nesr): New function.
2463 (next_valid_nesr): New function.
2464 (frvbf_check_non_excepting_load): Use next_available_nesr.
2465 (frvbf_check_recovering_store): Use next_available_nesr and
2466 next_valid_nesr.
2467 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2468 (frvbf_check_recovering_store): Only consider one matching register.
2469 * sem.c: Rebuild.
2470
2471Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2472
2473 * frv.c (frvbf_square_root_SF): New function.
2474 (frvbf_square_root_DF): New function.
2475 (frvbf_h_fr_double_get_handler): New function.
2476 (frvbf_h_fr_double_set_handler): New function.
2477 * frv-sim.h (frvbf_square_root_SF): New function.
2478 (frvbf_square_root_DF): New function.
2479 (frvbf_h_fr_double_get_handler): New function.
2480 (frvbf_h_fr_double_set_handler): New function.
2481 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2482
24831999-06-28 Dave Brolley <brolley@cygnus.com>
2484
2485 * decode.c,decode.h,model.c,sem.c: Regenerate.
2486
2487Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2488
2489 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2490 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2491 (frvbf_h_fr_int_set_handler): New function.
2492 (frvbf_store_multiple_FRint): New function.
2493 (frvbf_square_root_SF): New function.
2494 * frv.c (frvbf_h_fr_int_get_handler): New function.
2495 (frvbf_h_fr_int_set_handler): New function.
2496 (frvbf_store_multiple_FRint): New function.
2497 (frvbf_square_root_SF): New function.
2498 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2499
25001999-06-23 Doug Evans <devans@casey.cygnus.com>
2501
2502 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2503 to genmloop.sh. Pass -scache instead.
2504 (mloop.o): Delete sem-switch.c dependency.
2505 (sem-switch.c): Delete rule.
2506 (stamp-cpu): Don't build sem-switch.c.
2507 * sem-switch.c: Delete.
2508 * mloop.in (xfull-exec-*): Fix call to execute.
2509 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2510
2511 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2512
2513Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2514
2515 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2516
2517Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2518
2519 * mloop.in (execute): Force gr0 to zero before each insn.
2520 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2521
25221999-06-18 Doug Evans <devans@casey.cygnus.com>
2523
2524 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2525
2526Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2527
2528 * frv.c (frvbf_h_gr_get_handler): New function.
2529 (frvbf_h_gr_set_handler): New function:
2530 (frvbf_store-multiple_GR): New function:
2531 (frvbf_store-multiple_FR): New function:
2532 (frvbf_store-multiple_CPR): New function:
2533 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2534 (frvbf_h_gr_set_handler): New function:
2535 (frvbf_store-multiple_GR): New function:
2536 (frvbf_store-multiple_FR): New function:
2537 (frvbf_store-multiple_CPR): New function:
2538 * traps.c (frv_itrap): Implement proper syscalls interface.
2539 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2540
2541Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2542
2543 * traps.c (frvbf_check_non_excepting_divide): New function.
2544 (frvbf_check_recovering_store): New function.
2545 (clear_nesr_neear): New function.
2546 (clear_ne_flags): New function.
2547 (frvbf_commit): New function.
2548
2549 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2550 (frvbf_check_recovering_store): New function.
2551 (clear_nesr_neear): New function.
2552 (clear_ne_flags): New function.
2553 (frvbf_commit): New function.
2554 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2555
25561999-06-16 Dave Brolley <brolley@cygnus.com>
2557
2558 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2559 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2560 * traps.c (next_ne_index): New variable.
2561 (frvbf_check_non_excepting_load): New function.
2562 * frv-sim.h (NECR_ELOS): New macro.
2563 (NECR_NEN): New macro.
2564 (NECR_VALID): New macro.
2565 (SET_NESR_VALID): New macro.
2566 (SET_NESR_EAV): New macro.
2567 (SET_NESR_FR): New macro.
2568 (CLEAR_NESR_FR): New macro.
2569 (SET_NESR_DRN): New macro.
2570 (SET_NESR_SIZE): New macro.
2571 (SET_NESR_NEAN): New macro.
2572 (SET_NEEAR): New macro.
2573 (GET_NE_FLAG): New macro.
2574 (SET_NE_FLAG): New macro.
2575 (CLEAR_NE_FLAG): New macro.
2576 (frvbf_check_non_excepting_load): New function:
2577 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2578
2579Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2580
2581 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2582
2583Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2584
2585 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2586 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2587
2588Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2589
2590 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2591
25921999-06-07 Dave Brolley <brolley@cygnus.com>
2593
2594 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2595
2596Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2597
2598 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2599
2600Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2601
2602 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2603
2604Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2605
2606 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2607
2608Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2609
2610 * traps.c (frv_software_interrupt): Pass current_cpu to
2611 frvbf_h_psr_esr_get.
2612 (frv_software_interrupt): Calculate the new PC based on TBR.
2613 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2614
26151999-05-31 Dave Brolley <brolley@cygnus.com>
2616
2617 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2618
2619Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2620
2621 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2622 (frvbf_h_cccr_set_handler): New function.
2623 (frvbf_scan_result): New function.
2624 (frvbf_cr_logic): New function.
2625 * frv.c (frvbf_h_cccr_get_handler): New function.
2626 (frvbf_h_cccr_set_handler): New function.
2627 (frvbf_scan_result): New function.
2628 (frvbf_cr_logic): New function.
2629 (cr_ops,cr_result,cr_logic): New table.
2630 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2631
26321999-05-25 Dave Brolley <brolley@cygnus.com>
2633
2634 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2635 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2636 (frv_psr_get_handler): New function.
2637 (frv_psr_set_handler): New function.
2638 (frv_tbr_get_handler): New function.
2639 (frv_tbr_set_handler): New function.
2640 (frvbf_h_ccr_get_handler): Add support for fCC.
2641 (frvbf_h_ccr_set_handler): Add support for fCC.
2642 * frv-sim.h (frv_psr_get_handler): New function.
2643 (frv_psr_set_handler): New function.
2644 (frv_tbr_get_handler): New function.
2645 (frv_tbr_set_handler): New function.
2646 * traps.c (frv_software_interrupt): Implement.
2647 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2648
2649Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2650
2651 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2652
26531999-05-18 Dave Brolley <brolley@cygnus.com>
2654
2655 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2656 (frvbf_set_icc_for_shift_right): New function.
2657 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2658 (frvbf_set_icc_for_shift_right): New function.
2659 (SETMEMSF): New Macro.
2660 (SETMEMDF): New Macro.
2661 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2662
2663Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2664
2665 * frv.c (frvbf_h_ccr_get_handler): New function.
2666 (frvbf_h_ccr_set_handler): New function.
2667 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2668
2669Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2670
2671 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2672 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2673 * frv.c: Likewise.
2674 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2675
26761999-05-10 Dave Brolley <brolley@cygnus.com>
2677
2678 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2679
2680Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2681
2682 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2683 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2684
2685Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2686
2687 * traps.c (frv_software_interrupt): New function.
2688 (frv_itrap): New function.
2689 * frv-sim.h (TRAP_SYSCALL): define as 0.
2690 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2691
2692Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2693
2694 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2695
2696Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2697
2698 * Directory created.
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