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[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
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6ffe910a
MF		 12011-10-17 Mike Frysinger <vapier@gentoo.org>
2
3 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
4 call. Replace common.m4 include with SIM_AC_COMMON.
5 * configure: Regenerate.
6
2419798b
MF		 72011-07-05 Mike Frysinger <vapier@gentoo.org>
8
9 * sim-if.c (sim_do_command): Delete.
10
f9bdfd29
MF		 112010-04-21 Mike Frysinger <vapier@gentoo.org>
12
13 * profile.c (sim_profile_print_bar): Add cpu argument.
14
fb0cc53e
MF		 152010-03-30 Mike Frysinger <vapier@gentoo.org>
16
17 * devices.c (device_error): Add const to message.
18
c5351010
DE		 192010-02-12 Doug Evans <dje@sebabeach.org>
20
21 * decode.c, * decode.h: Regenerate.
22
2310652a
DE		 232010-02-11 Doug Evans <dje@sebabeach.org>
24
25 * cpu.h, * decode.c, * model.c, * sem.c: Regenerate.
26
d2c7a1a6
DE		 272010-01-24 Doug Evans <dje@sebabeach.org>
28
29 * sem.c: Regenerate.
30
3725885a
RW		 312010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
32
33 * configure: Regenerate.
34
0f51e9bf
DE		 352010-01-02 Doug Evans <dje@sebabeach.org>
36
37 * arch.c, * arch.h, * cpu.c, * cpu.h, * cpuall.h, * decode.c,
38 * decode.h, * model.c, * sem.c: Regenerate, update copyright year.
39
197fa1aa
DE		 402009-11-22 Doug Evans <dje@sebabeach.org>
41
42 * cpu.h: Regenerate.
43 * cpuall.h: Regenerate.
44 * decode.c: Regenerate.
45 * decode.h: Regenerate.
46
b29791a8
DE		 472009-11-03 Doug Evans <dje@sebabeach.org>
48
49 * arch.c: Regenerate.
50 * arch.h: Regenerate.
51 * cpu.c: Regenerate.
52 * cpu.h: Regenerate.
53 * cpuall.h: Regenerate.
54 * decode.c: Regenerate.
55 * decode.h: Regenerate.
56 * model.c: Regenerate.
57 * sem.c: Regenerate.
58
d6416cdc
RW		 592009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
60
81ecdfbb
RW		 61 * config.in: Regenerate.
62 * configure: Likewise.
63
d6416cdc
RW		 64 * configure: Regenerate.
65
7b1a2840
HPN		 662009-01-07 Hans-Peter Nilsson <hp@axis.com>
67
68 * sem.c: Regenerate.
69
bce3bbcb
HPN		 702008-12-23 Hans-Peter Nilsson <hp@axis.com>
71
72 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
73 model.c, sem.c: Regenerate.
74
b5bd9624
HPN		 752008-07-11 Hans-Peter Nilsson <hp@axis.com>
76
77 * configure: Regenerate to track ../common/common.m4 changes.
78 * config.in: Ditto.
79
6efef468
JM		 802008-06-06 Vladimir Prus <vladimir@codesourcery.com>
81 Daniel Jacobowitz <dan@codesourcery.com>
82 Joseph Myers <joseph@codesourcery.com>
83
84 * configure: Regenerate.
85
b1bfc053
HPN		 862006-12-21 Hans-Peter Nilsson <hp@axis.com>
87
88 * config.in: Regenerate.
89
e85e3205
RE		 902006-06-13 Richard Earnshaw <rearnsha@arm.com>
91
92 * configure: Regenerated.
93
2f0122dc
DJ		 942006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
95
96 * configure: Regenerated.
97
20e95c23
DJ		 982006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
99
100 * configure: Regenerated.
101
79e59fe6
DB		 1022005-10-28 Dave Brolley <brolley@redhat.com>
103
104 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
105
106 Contribute the following changes:
107 2003-09-29 Dave Brolley <brolley@redhat.com>
108
109 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
110 CGEN_ATTR_VALUE_TYPE.
111 * mloop.in: Ditto.
112 * pipeline.c: Ditto.
113 * traps.c: Ditto.
114
2b193c4a
MK		 1152005-03-23 Mark Kettenis <kettenis@gnu.org>
116
117 * configure: Regenerate.
118
35695fd6
AC		 1192005-01-14 Andrew Cagney <cagney@gnu.org>
120
121 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
122 explicit call to AC_CONFIG_HEADER.
123 * configure: Regenerate.
124
f0569246
AC		 1252005-01-12 Andrew Cagney <cagney@gnu.org>
126
127 * configure.ac: Update to use ../common/common.m4.
128 * configure: Re-generate.
129
38f48d72
AC		 1302005-01-11 Andrew Cagney <cagney@localhost.localdomain>
131
132 * configure: Regenerated to track ../common/aclocal.m4 changes.
133
b7026657
AC		 1342005-01-07 Andrew Cagney <cagney@gnu.org>
135
136 * configure.ac: Rename configure.in, require autoconf 2.59.
137 * configure: Re-generate.
138
379832de
HPN		 1392004-12-08 Hans-Peter Nilsson <hp@axis.com>
140
141 * configure: Regenerate for ../common/aclocal.m4 update.
142
45aa12b4
RS		 1432004-08-27 Richard Sandiford <rsandifo@redhat.com>
144
145 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
146 * cpuall.h, model.c, sem.c: Regenerated.
147
676a64f4
RS		 1482004-03-01 Richard Sandiford <rsandifo@redhat.com>
149
150 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
151 (profile-fr450.o): New dependency.
152 (stamp-cpu): Add fr450 to the list of machs.
153 * sim-frv.h (SPR_IS_ACC): New macro.
154 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
155 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
156 * frv.c (check_register_alignment, check_fr_register_alignment)
157 (check_memory_alignment, do_media_average): Likewise.
158 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
159 rather than a consecutive range.
160 * interrupts.c (frv_queue_illegal_instruction_interrupt)
161 (frv_queue_non_implemented_instruction_interrupt): Handle
162 bfd_mach_fr450.
163 * memory.c (check_data_read_address, check_readwrite_address)
164 (check_insn_read_address, check_write_address): Likewise.
165 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
166 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
167 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
168 * profile-fr450.c: New file.
169 * registers.c (fr450_spr): New array.
170 (frv_register_control_init): Check its size. Use it for fr450.
171 (frv_check_register_access): Handle bfd_mach_fr450.
172 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
173 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
174 (frvbf_media_acc_not_aligned): Likewise.
175 (frvbf_media_register_not_aligned): Likewise.
176 * arch.c: Regenerate.
177 * arch.h: Regenerate.
178 * cpu.h: Regenerate.
179 * cpuall.h: Regenerate.
180 * decode.h: Regenerate.
181 * model.c: Regenerate.
182
c7a48b9a
RS		 1832004-03-01 Richard Sandiford <rsandifo@redhat.com>
184
185 * cache.c (frv_cache_init): Change fr400 cache statistics to match
186 the fr405.
187 (non_cache_access): Add missing breaks.
188 * interrupts.c (set_exception_status_registers): Always set EAR15
189 for data_access_errors.
190 * memory.c (fr400_check_write_address): Remove redundant alignment
191 check.
192 * model.c: Regenerate.
193
8b73069f
RS		 1942004-03-01 Richard Sandiford <rsandifo@redhat.com>
195
196 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
197
8ae0baa2
RS		 1982004-03-01 Richard Sandiford <rsandifo@redhat.com>
199
200 * decode.c, decode.h, model.c, sem.c: Regenerate.
201
d74c4203
KB		 2022003-11-24 Kevin Buettner <kevinb@redhat.com>
203
204 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
205 (SPR_REGNUM_MAX): Delete.
206 * frv.c (gdb/sim-frv.h): Include.
207 (frvbf_fetch_register, frvbf_store_register): Use register number
208 constants from gdb/sim-frv.h. Check availability of general
209 purpose and float registers.
210
0b01870b
DB		 2112003-11-03 Dave Brolley <brolley@redhat.com>
212
213 * cache.c (address_interference): Check for higher priority requests
214 in the same pipeline.
215
9a29f3ca
DB		 2162003-10-31 Dave Brolley <brolley@redhat.com>
217
162cec1b 218 * frv-sim.h (LR_REGNUM): Removed.
073926e5 219 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 220 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 221 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 222 Return 0 for an unimplemented register. Return the length of the data
223 for an implemented register.
224 (frvbf_store_register): Ditto.
225
fc0a2244
AC		 2262003-10-30 Andrew Cagney <cagney@redhat.com>
227
228 * traps.c: Replace "struct symbol_cache_entry" with "struct
229 bfd_symbol".
230
29a79ca0
DB		 2312003-10-10 Dave Brolley <brolley@redhat.com>
232
233 * cpu.h, sem.c: Regenerate.
234
e930b1f5
DB		 2352003-10-06 Dave Brolley <brolley@redhat.com>
236
237 * profile-fr550.[ch]: New files.
238 * configure.in: Move frv handling to alphabetically correct placement.
239 * Makefile.in: Add fr550 support.
240 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
241 profile.[ch],registers.c,traps.c: Add fr550 support.
242 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
243 Regenerate.
244
22f367a7
DB		 2452003-09-25 Dave Brolley <brolley@redhat.com>
246
247 * reset.c (frv_initialize): Call frv_register_control_init first.
248
1c453cd6
DB		 2492003-09-24 Dave Brolley <brolley@redhat.com>
250
251 * profile.h (update_FR_ptime): New prototype.
252 (update_FRdouble_ptime): Ditto.
253 (update_SPR_ptime): Ditto.
254 (increase_ACC_busy): Ditto.
255 (enforce_full_acc_latency): Ditto.
256 (post_wait_for_SPR): Ditto.
257 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
258 (update_FRdouble_ptime): Ditto.
259 (update_SPR_ptime): New function.
260 (increase_ACC_busy): Ditto.
261 (enforce_full_acc_latency): Ditto.
262 (vliw_wait_for_fdiv_resource): Correct resource name.
263 (vliw_wait_for_fsqrt_resource): Ditto.
264 (post_wait_for_SPR): New function.
265 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
266 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
267 adjust_float_register_busy.
268 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
269 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
270 registers.
271 (frvbf_model_fr500_u_float_arith): Ditto.
272 (frvbf_model_fr500_u_float_dual_arith): Ditto.
273 (frvbf_model_fr500_u_float_div): Ditto.
274 (frvbf_model_fr500_u_float_sqrt): Ditto.
275 (frvbf_model_fr500_u_float_convert): Ditto.
276 (update_FR_ptime): Moved to profile.c
277 (update_FRdouble_ptime): Moved to profile.c
278 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
279 for other machines.
280 (update_FRdouble_ptime): Ditto.
281 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
282
153431d6
DB		 2832003-09-12 Dave Brolley <brolley@redhat.com>
284
285 * registers.c (frv_check_spr_read_access): Check for access to
286 ACC4-ACC63 and ACCG4-ACCG63.
287 * profile.h (frv-desc.h): #include it.
288 (spr_busy): New member of FRV_PROFILE_STATE.
289 (spr_latency): Ditto.
290 (GNER_FOR_GR): New macro.
291 (FNER_FOR_FR): New maccro.
292 (update_SPR_latency): New function.
293 (vliw_wait_for_SPR): New function.
93938d47 294 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 295 (update_target_latencies): Ditto.
296 (update_SPR_latency): New function.
297 (vliw_wait_for_SPR): New function.
298 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
299 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
300 (frvbf_model_fr500_u_check): Ditto.
301 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
302 (frvbf_model_fr500_u_clrfr): Ditto.
303 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
304 (frvbf_model_fr500_u_gr2spr): Ditto.
305 * frv-sim.h (H_SPR_ACC4): New macro.
306 (H_SPR_ACCG4): New macro;
307 (H_SPR_ACC0): Removed.
308 (H_SPR_ACCG0): Removed.
309 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
310
ba9c4053
DB		 3112003-09-10 Dave Brolley <brolley@redhat.com>
312
313 * profile.c (slot_names): FM1 was listed twice. Changed first
314 instance to FM0. Added IALL, FMALL and FMLOW.
315 (print_parallel): Don't examine slots with no insns.
316
f9e18f5a
DB		 3172003-09-09 Dave Brolley <brolley@redhat.com>
318
319 * frv.c (do_media_average): Select machine using a switch.
320
d89a78b6
DB		 3212003-09-08 Dave Brolley <brolley@redhat.com>
322
323 On behalf of Doug Evans <dje@sebabeach.org>
324 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
325 Remove copying of .cpu file to cgen/cpu, no longer needed.
326
d03ea14f
DB		 3272003-09-03 Dave Brolley <brolley@redhat.com>
328
329 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
330
e8d2f504
DB		 3312003-08-29 Dave Brolley <brolley@redhat.com>
332
333 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
334 temporarily when regenerating files.
335 (stamp-cpu): Ditto.
336
b34f6357
DB		 3372003-08-20 Micheal Snyder <msnyder@redhat.com>
338
339 * All generated files: Regenerate.
340
3412001-10-11 Dave Brolley <brolley@redhat.com>
342
343 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
344
3452001-10-09 Dave Brolley <brolley@redhat.com>
346
347 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
348 not set.
349 * reset.c (frv_hardware_reset): Invalidate both caches.
350 * registers.c: Update init, reset and read-only masks for all registers
351 on all machines.
352 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
353 (prev_gr_complex): New field of FRV_PROFILE_STATE
354 (set_use_is_gr_complex): New function.
355 (set_use_not_gr_complex): New function.
356 (use_is_gr_complex): New function.
357 (decrease_GR_busy): New function.
358 * profile.c (reset_gr_flags): New function.
359 (reset_cc_flags): New function.
360 (set_use_is_gr_complex): New function.
361 (set_use_not_gr_complex): New function.
362 (use_is_gr_complex): New function.
363 (update_latencies): Reset gr and cc flags when latency reaches 0.
364 (decrease_GR_busy): New function.
365 * profile-fr400.h (fr500_reset_acc_flags): Removed.
366 (fr500_reset_cc_flags): New function.
367 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
368 LSI version 1.41.
369 * profile-fr400.h (fr400_reset_gr_flags): New function.
370 (fr400_reset_fr_flags): New function.
371 (fr400_reset_acc_flags): New function.
372 * profile-fr400.c (set_use_not_media_p4): New function.
373 (set_use_not_media_p6): New function.
374 (set_acc_use_not_media_p2): New function.
375 (set_acc_use_not_media_p4): New function.
376 (fr400_reset_gr_flags): New function.
377 (fr400_reset_fr_flags): New function.
378 (fr400_reset_acc_flags): New function.
379 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
380 (frvbf_model_fr400_u_media_hilo): New function.
381 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
382 * memory.c (fr400_check_data_read_address): Check address range only
383 for double word loads. Don't check alignment here.
384 (fr400_check_readwrite_address): New function.
385 (fr500_check_readwrite_address): New function.
386 (check_readwrite_address): New function.
387 (fr500_check_insn_read_address): Correct address ranges.
388 (frvbf_read_mem_*): Check address range here.
389 (frv_address_forbidden): Removed.
390 (fr400_check_write_address): New function.
391 (check_write_address): New function.
392 (frvbf_write_mem_*): Don't check address range here.
393 (frvbf_mem_set_*): Check address range here.
394 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
395 address as second argument.
396 (frv_queue_data_access_exception_interrupt): New function.
397 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
398 media insns on fr400.
399 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
400 for media insns on fr400.
401 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
402 of insns here. Check for MTRAP insn if PSR.EM is not set.
403 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
404 set.
405 (set_exception_status_registers): Do not always set EPCR. Set EAR for
406 data_acess_error only if not fr400.
407 * frv.c (do_media_average): New function.
408 (frvbf_media_average): New function.
409 (frvbf_insn_cache_invalidate): Check for illegal invocation.
410 (frvbf_data_cache_invalidate): Ditto.
411 (frvbf_data_cache_flush): Ditto.
412 * frv-sim.h (GET_FSR_QNE): New macro.
413 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
414 (GET_MSR_SRDAV): New macro.
415 (GET_MSR_RDAV): New macro.
416 (GET_MSR_RD): New macro.
417 (frv_queue_data_access_error_interrupt): Now takes an address as second
418 argument.
419 (frv_address_forbidden): Removed.
420 * cache.c (non_cache_access): Correct address ranges. Now takes cache
421 as first argument.
422 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
423
4242001-08-20 Dave Brolley <brolley@redhat.com>
425
426 * sim-main.h (_sim_cpu): New field 'elf_flags'.
427 * sim-if.c (sim_open): Extract the elf_flags from the input file and
428 save them with each cpu.
429 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
430 last_insn_p before executing the insn.
431 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
432 insn cache.
433 (frv_cache_invalidate_all): Ditto.
434
4352001-08-20 Richard Sandiford <rsandifo@redhat.com>
436
437 * traps.c (syscall_read_mem): Flush the data cache before reading.
438 (syscall_write_mem): Flush the data cache before writing.
439 Invalidate both caches.
440
4412001-07-05 Ben Elliston <bje@redhat.com>
442
443 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
444 (stamp-cpu): Likewise.
445
4462001-05-23 Dave Brolley <brolley@redhat.com>
447
448 * profile-fr400.c (acc_use_is_media_p2): New function.
449 (frvbf_model_fr400_u_media_2): Account for latency of output
450 accumulators.
451 (frvbf_model_fr400_u_media_2_quad): Ditto.
452 (frvbf_model_fr400_u_media_2_acc): New function.
453 (frvbf_model_fr400_u_media_2_acc_dual): New function.
454 (frvbf_model_fr400_u_media_2_add_sub): New function.
455 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
456 (frvbf_model_fr400_u_media_3_dual): New function.
457 (frvbf_model_fr400_u_media_4_acc_dual): New function.
458 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
459
4602001-05-15 Dave Brolley <brolley@redhat.com>
461
462 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
463 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
464 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
465 (request_cache_flush): Save 'all' argument.
466 (request_cache_invalidate): Save all_cache_entries from profile state
467 to 'all' field of the request.
468 (submit_cache_request): Pass the 'all' field of the request to
469 frv_cache_request_invalidate.
470 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
471 operation even if HSR0.ICE is not set.
472 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
473 operation even if HSR0.DCE is not set.
474 (frv_data_cache_flush): Ditto.
475 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
476 (frv_data_cache_invalidate): Add new 'all' parameter.
477 (frv_data_cache_flush): Add new 'all' parameter.
478 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
479 (frv_cache_request_invalidate): Add new 'all' parameter.
480 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
481 its value in the invalidate request.
482 (address_interference): Accept the value '-1' for the address argument
483 to mean 'any address'.
484 (handle_req_invalidate): Handle request to invalidate all cache lines.
485 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
486
4872001-05-14 Dave Brolley <brolley@redhat.com>
488
489 * profile.h (past_first_p): New field of profiling state.
490 (branch_penalty): Ditto.
491 (branch_hint): Ditto.
492 (update_branch_penalty): New function.
493 * profile.c (frvbf_model_insn_after): Reset past_first_p and
494 branch_address fields of the profiling state.
495 (frvbf_model_branch): New function.
496 (update_branch_penalty): New function.
497 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
498 FCCi_3 inputs.
499 (frvbf_model_fr500_u_trap): New function.
500 (frvbf_model_fr500_u_check): New function.
501 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
502 cycles.
503 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
504 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
505 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
506 documented in teh fr400 LSI.
507 (frvbf_model_fr400_u_media_dual_htob): Ditto.
508 (frvbf_model_fr400_u_media_dual_unpack): Removed.
509 (frvbf_model_fr500_u_trap): New function.
510 (frvbf_model_fr500_u_check): New function.
511 * mloop.in (simulate_dual_insn_prefetch): New function.
512 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
513 arguments for each machine type.
514 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
515
5162001-05-09 Dave Brolley <brolley@redhat.com>
517
518 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
519 (profile-fr400.o): New target.
520 * profile.c: New file.
521 * profile.h: New file.
522 * profile-fr400.c: New file.
523 * profile-fr400.h: New file.
524 * profile-fr500.c: New file.
525 * profile-fr500.h: New file.
526 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
527
5282001-05-02 Dave Brolley <brolley@redhat.com>
529
530 * sim-main.h (profile.h): #include it.
531 (CPU_PROFILE_STATE): New macro.
532 (profile_state): New frv specific cpu field.
533 * reset.c (frv_initialize): insn_fetch_address and branch_address now
534 part of global profiling state.
535 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
536 (SIM_EXTRA_DEPS): Add profile.h.
537 (registers.o): Correct name of source file.
538 (profile.o): New target.
539 (profile-fr500.o): New target.
540 * frv-sim.h: Move profile related data structures to profile.h.
541 * frv.c: Move fr500 specific functions to profile-fr500.c.
542 * cpu.h: Regenerated.
543
5442001-04-27 Dave Brolley <brolley@redhat.com>
545
546 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
547 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
548 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
549 Rename PIPE_* to UNIT_*.
550 (frv_queue_illegal_instruction_interrupt): Use
551 frv_is_float_insn and frv_is_media_insn.
552 (frv_queue_non_implemented_instruction_interrupt): Ditto.
553 (frv_detect_insn_access_interrupts): Ditto.
554 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
555 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
556 * memory.c: Ditto.
557 * pipeline.c: Ditto.
558 * mloop.in: Ditto.
559 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
560 * cache.c: Rename PIPE_* to UNIT_*.
561
5622001-04-24 Dave Brolley <brolley@redhat.com>
563
564 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
565 (frvbf_load_quad_FRint): Ditto.
566 (frvbf_load_quad_CPR): Ditto.
567 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
568 machines.
569 (bfd.h): #include it.
570 (non_cache_access): Update for revised fr500 and for fr400.
571 * registers.c (frv_spr): Don't reset PSR.PS.
572 (fr500_spr): Ditto.
573 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
574
5752001-04-23 Dave Brolley <brolley@redhat.com>
576
577 * traps.c (frv_core_signal): On fr400, generate data_access_error.
578 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
579 (frvbf_media_acc_not_aligned): Ditto.
580 (frvbf_media_register_not_aligned): Ditto.
581 (frvbf_division_exception): Use GET_ISR_EDE.
582 * registers.c (frv_check_spr_read_access): New function.
583 (frv_check_spr_write_access): New function.
584 (frv_check_spr_access): Deleted.
585 (frv_check_register_access): On fr400, generate illegal_instruction.
586 * memory.c (fr400_check_data_read_address): New function.
587 (fr500_check_data_read_address): Ditto.
588 (check_data_read_address): Ditto.
589 (fr400_check_insn_read_address): Ditto.
590 (fr500_check_insn_read_address): Ditto.
591 (check_insn_read_address): Ditto.
592 (frvbf_read_mem_QI): Call check_data_read_access.
593 (frvbf_read_mem_UQI): Ditto.
594 (frvbf_read_mem_HI): Ditto.
595 (frvbf_read_mem_UHI): Ditto.
596 (frvbf_read_mem_SI): Ditto.
597 (frvbf_read_mem_DI): Ditto.
598 (frvbf_read_mem_DF): Ditto.
599 (frvbf_read_imem_USI): Call check_insn_read_access.
600 (frv_address_forbidden): Now takes cpu as first argument. Check based
601 on machine type.
602 (fr400_mem_address_unaligned): New function.
603 (fr500_mem_address_unaligned): Ditto.
604 (check_write_address): Ditto.
605 (frvbf_mem_set_QI): Call check_write_address.
606 (frvbf_mem_set_HI): Ditto.
607 (frvbf_mem_set_SI): Ditto.
608 (frvbf_mem_set_DI): Ditto.
609 (frvbf_mem_set_DF): Ditto.
610 (frvbf_mem_set_XI): Ditto.
611 * interrupts.c (bfd.h): #include it.
612 (frv_queue_data_access_error_interrupt): New function.
613 (frv_queue_instruction_access_error_interrupt): New function.
614 (frv_queue_instruction_access_exception_interrupt): New function.
615 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
616 (frv_queue_non_implemented_instruction_interrupt): Ditto.
617 (frv_detect_insn_access_interrupts): Reorder tests to match priority
618 from the LSI manual.
619 (set_isr_exception_fields): Accumulate dtt bits.
620 * frv.c (check_register_alignment): New function.
621 (check_fr_register_alignment): New function.
622 (check_memory_alignment): New function.
623 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
624 (frvbf_h_gr_double_set_handler): Ditto.
625 (frvbf_h_cpr_double_get_handler): Ditto.
626 (frvbf_h_cpr_double_set_handler): Ditto.
627 (frvbf_h_gr_quad_set_handler): Ditto.
628 (frvbf_h_cpr_quad_set_handler): Ditto.
629 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
630 (frvbf_h_fr_double_set_handler): Ditto.
631 (frvbf_h_fr_quad_set_handler): Ditto.
632 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
633 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
634 (frvbf_load_quad_GR): Call check_memory_aligment.
635 (frvbf_load_quad_FRint): Ditto.
636 (frvbf_load_quad_CPR): Ditto.
637 (frvbf_store_quad_GR): Call check_memory_aligment and
638 check_register_alignment.
639 (frvbf_store_quad_FRint): Ditto.
640 (frvbf_store_quad_CPR): Ditto.
641 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
642 * frv-sim.h (H_SPR_ACC0): New macro.
643 (H_SPR_ACC63): New macro.
644 (H_SPR_ACCG0): New macro.
645 (H_SPR_ACCG63): New macro.
646 (frv_dtt): New enumerator.
647 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
648 (GET_ISR_DTT): New macro.
649 (frv_queue_data_access_error_interrupt): New function.
650 (frv_queue_instruction_access_error_interrupt): New function.
651 (frv_queue_instruction_access_exception_interrupt): New function.
652 (frv_address_forbidden): Now takes cpu as first argument.
653 * cpu.h: Regenerate.
654
6552001-04-10 Dave Brolley <brolley@redhat.com>
656
657 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
658 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
659 (fr400_spr): Implement SPR registers for fr400.
660 (frv_register_control_init): Handle bfd_mach_fr400 properly.
661 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
662 (spr_psr_get_handler): Ditto.
663 (spr_ccr_get_handler): Ditto.
664 (spr_cccr_get_handler): Ditto.
665 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
666 * frv-sim.h: Update comment about MCCR_* macros.
667 * cpu.c,cpu.h: Regenerate.
668
6692001-04-05 Dave Brolley <brolley@redhat.com>
670
671 * cpu.h,decode.c,model.c,sem.c: Regenerate.
672
6732001-04-05 Dave Brolley <brolley@redhat.com>
674
675 * reset.c: Update copyright.
676 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
677 * frv.c (frvbf_model_fr400_u_exec): New function.
678 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
679 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
680 Regenerate.
681
6822000-11-22 Dave Brolley <brolley@redhat.com>
683
684 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
685 Regenerate.
686
6872000-11-10 Dave Brolley <brolley@redhat.com>
688
689 * decode.c: Regenerate.
690
6912000-09-12 Dave Brolley <brolley@redhat.com>
692
693 * traps.c (frv_sim_engine_halt_hook): New function.
694 (frv_itrap): Caches now invalidated in sim_engine_halt via
695 SIM_ENGINE_HALT_HOOK.
696 (frv_break): Ditto.
697 * sim-main.h (frv_sim_engine_halt_hook): New function.
698 (SIM_ENGINE_HALT_HOOK): New macro.
699 (SIM_ENGINE_RESTART_HOOK): New macro.
700 * interrupts.c: Call to frv_term now done within sim_engine_halt via
701 SIM_ENGINE_HALT_HOOK.
702
7032000-09-08 Dave Brolley <brolley@redhat.com>
704
705 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
706 respectively when stopping for a breakpoint.
707 (frv_break): Ditto.
708 * cache.h (frv_cache_invalidate_all): New function.
709 * cache.c (frv_cache_invalidate_all): New function.
710
7112000-09-05 Dave Brolley <brolley@redhat.com>
712
713 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
714 sim_handle_breakpoint. Otherwise if environment != operating call
715 sim_engine_halt. Otherwise handle normally.
716 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
717 breakpoints here. Moved to frv_break in traps.c.
718
719 * sem.c: Regenerate.
720
7212000-09-01 Dave Brolley <brolley@redhat.com>
722
723 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
724 before queuing an interrupt in order to allow 'break' to be used as
725 the breakpoint insn.
726
7272000-08-29 Dave Brolley <brolley@redhat.com>
728
729 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
730
7312000-07-27 Dave Brolley <brolley@redhat.com>
732
733 * cpu.h,decode.c: Rebuild.
734
7352000-07-26 Dave Brolley <brolley@redhat.com>
736
737 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
738 (spr_cccr_set_handler): Change CRx to CCx.
739 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
740
7412000-07-24 Dave Brolley <brolley@redhat.com>
742
743 * sem.c: Regenerate.
744 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
745 Don't write it directly.
746
747Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
748
749 * configure: Regenerated to track ../common/aclocal.m4 changes.
750
7512000-07-05 Ben Elliston <bje@redhat.com>
752
753 * configure: Regenerated to track ../common/aclocal.m4 changes.
754
7552000-06-28 Dave Brolley <brolley@redhat.com>
756
757 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
758
7592000-06-21 Dave Brolley <brolley@redhat.com>
760
761 * pipeline.c: All code except frv_pipeline_setup_insn moved to
762 frv.opc.
763 * mloop.in (main loop): frv_pipeline_add_insn broken up into
764 frv_pipeline_add_insn and frv_pipeline_setup_insn.
765 * frv-sim.h: Move pipeline status code to frv.opc.
766 * model.c: Regenerate.
767
7682000-06-12 Dave Brolley <brolley@redhat.com>
769
770 * options.c (frv_option_handler): --profile-parallel implies
771 --profile-model.
772 * mloop.in (fetch_buffer): Removed.
773 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
774 run_caches. Use cache directly if not counting cycles. Don't use
775 cache at all if not counting cycles and cache not enabled.
776 * frv.c (frv_insn_fetch_buffer): New global variable.
777 (run_caches): Monitor the status of insn prefetch requests.
778 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
779 (frv_insn_fetch_buffer): New global variable.
780
7812000-06-12 Dave Brolley <brolley@redhat.com>
782
783 * mloop.in (fetch_buffer): New static struct.
784 (@cpu@_simulate_insn_prefetch): Rewritten.
785 * cache.c (frv_cache_request_invalidate): Don't invalidate return
786 buffer.
787 (address_interference): Defer to any WAR request in either pipeline.
788
7892000-06-09 Dave Brolley <brolley@redhat.com>
790
791 * pipeline.c (insns_in_slot): New Array.
792 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
793 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
794 option.
795 (parse_cache_option): New function.
796 (frv_option_handler): Call parse_cache_option.
797 * frv.c (vliw_branch_taken): New variable.
798 (vliw_load_stall): New variable.
799 (handle_resource_wait): Update vliw_load_stall.
800 (frvbf_model_insn_before): Initialize vliw_branch_taken and
801 vliw_load_stall.
802 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
803 (load_wait_for_FR): Update vliw_load_stall.
804 (load_wait_for_GR): Update vliw_load_stall.
805 (load_wait_for_FRdouble): Update vliw_load_stall.
806 (load_wait_for_GRdouble): Update vliw_load_stall.
807 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
808 (slot_names): New static array.
809 (print_parallel): Now takes second argument 'verbose'. Print cycles per
810 VLIW insn and instructions per cycle. Also tabulate the number of insns
811 in each type of VLIW slot.
812 (frv_profile_info): Call print_parallel with new second argument.
813 * frv-sim.h (insn_in_slot): New array.
814 (COUNT_INSNS_IN_SLOT): New macro.
815 (INSNS_IN_SLOT): New macro.
816 * cache.c: Remove references to non_blocking_count. Remove references to
817 last_was_hit. Remove references to req_none.
818 (handle_req_store): Adjust statistics before requeuing the store
819 request.
820 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
821 * cache.h: Remove references to non_blocking_count. Remove references to
822 last_was_hit. Remove references to req_none.
823 * model.c: Regenerate.
824
8252000-06-08 Dave Brolley <brolley@redhat.com>
826
827 * frv.c (request_complete): Copy load data from the correct return
828 buffer.
829
8302000-06-07 Dave Brolley <brolley@redhat.com>
831
832 * traps.c (frv_core_signal): Call frv_term before exiting.
833 (frv_itrap): Call frv_term before exiting.
834 (next_available_nesr): Make sure NECR is implemented before reading it.
835 (next_valid_nesr): Ditto.
836 (frvbf_check_non_excepting_load): Ditto.
837 (frvbf_clear_ne_flags): Ditto.
838 (frvbf_commit): Ditto.
839 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
840 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
841 store_flag members.
842 (CPU_LOAD_ADDRESS): New macro.
843 (CPU_LOAD_LENGTH): New macro.
844 (CPU_LOAD_SIGNED): New macro.
845 (CPU_LOAD_LOCK): New macro.
846 * reset.c (frv_term): New function.
847 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
848 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
849 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
850 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
851 the insn. Model the insn in two passes. One before and one after
852 execution.
853 (cache_reqno): new static variable.
854 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
855 cache rather than assuming a fixed latency.
856 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
857 enabled so that modeling data is collected by cgen during execution.
858 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
859 * memory.c (data_non_cache_access): Removed.
860 (insn_non_cache_access): Removed.
861 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
862 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
863 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
864 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
865 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
866 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
867 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
868 (frvbf_read_imem_USI): Read the cache or ememory passively.
869 (frvbf_write_mem_QI): Don't check for non-cache access here.
870 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
871 (frvbf_write_mem_HI): Don't check for non-cache access here.
872 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
873 (frvbf_write_mem_SI): Don't check for non-cache access here.
874 (frvbf_write_mem_DI): Don't check for non-cache access here.
875 (frvbf_write_mem_DF): Don't check for non-cache access here.
876 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
877 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
878 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
879 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
880 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
881 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
882 * interrupts.c (check_reset): Read the cache and memory passively.
883 (frv_program_or_software_interrupt): Call frv_term before calling
884 sim_engine_halt.
885 * frv.c (all modeling functions): Break into two passes. One before
886 execuetion and one after. call load_wait_for_* for all GR and FR
887 registers.
888 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
889 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
890 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
891 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
892 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
893 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
894 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
895 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
896 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
897 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
898 (model_insn): New global variable.
899 (fr_ptime): New array.
900 (cache_request): New enumeration.
901 (CACHE_QUEUE_ELEMENT): New struct type.
902 (CACHE_QUEUE_SIZE): New macro.
903 (cache_queue): New static struct.
904 (request_cache_load): New function.
905 (request_cache_flush): New function.
906 (request_cache_invalidate): New function.
907 (request_cache_preload): New function.
908 (request_cache_unlock): New function.
909 (submit_cache_request): New function.
910 (activate_cache_requests): New function.
911 (load_pending_for_register): New function.
912 (flush_pending_for_address): New function.
913 (remove_cache_queue_element): New function.
914 (copy_load_data): New function.
915 (request_complete): New function.
916 (run_caches): New function.
917 (frv_model_trace_wait_cycles): New function.
918 (wait_for_flush): New function.
919 (frvbf_model_insn_before): Insn prefect wait now modeled in
920 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
921 wait_for_flush.
922 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
923 vliw_insns here anymore.
924 (update_FR_latency_for_load): New function.
925 (update_FRdouble_latency_for_load): New function.
926 (update_FR_ptime): New function.
927 (update_FRdouble_ptime): New function.
928 (update_GR_latency_for_swap): New function.
929 (load_wait_for_GR): New function.
930 (load_wait_for_FR): New function.
931 (load_wait_for_GRdouble): New function.
932 (load_wait_for_FRdouble): New function.
933 (frvbf_model_fr500_u_ici): New function.
934 (frvbf_model_fr500_u_dci): New function.
935 (frvbf_model_fr500_u_dcf): New function.
936 (frvbf_model_fr500_u_icpl): New function.
937 (frvbf_model_fr500_u_dcpl): New function.
938 (frvbf_model_fr500_u_icul): New function.
939 (frvbf_model_fr500_u_dcul): New function.
940 * frv-sim.h (frv_term): New function.
941 (insn_non_cache_access): Removed.
942 (FRV_COUNT_CYCLES): New macro.
943 (frv_save_peofile_model_p): New global variable.
944 (model_insn): New enumerated global variable.
945 (frv_model_advance_cycles): New function.
946 (frv_model_trace_wait_cycles): New function.
947 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
948 (FRV_CACHE_WAR_REQUEST): New struct type.
949 (FRV_CACHE_STORE_REQUEST): New struct type.
950 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
951 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
952 (FRV_CACHE_REQUEST): New struct type.
953 (FRV_CACHE_RETURN_BUFFER): New struct type.
954 (FRV_CACHE_FLUSH_STATUS): New struct type.
955 (FRV_CACHE_STATUS): New struct type.
956 (FRV_CACHE_STAGE): New struct type.
957 (FRV_CACHE_STAGES): New enumeration.
958 (FRV_CACHE_WAR): New struct type.
959 (FRV_CACHE_PIPELINE): New struct type.
960 (FRV_CACHE_ARS): New struct type.
961 (FRV_CACHE_STATISTICS): New struct type.
962 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
963 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
964 (CACHE_RETURN_DATA_ADDRESS): New macro.
965 (frv_cache_read): Now takes pipe index as second argument.
966 (frv_cache_enabled): New function.
967 (frv_cache_request_load): New function.
968 (frv_cache_request_store): New function.
969 (frv_cache_request_invalidate): New function.
970 (frv_cache_request_preload): New function.
971 (frv_cache_request_unlock): New function.
972 (frv_cache_run): New function.
973 (frv_cache_read_passive_SI): New function.
974 (frv_cache_data_in_buffer): New function.
975 (frv_cache_data_flushed): New function.
976 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
977 (frv_cache_enabled): New function.
978 (non_cache_access): New function.
979 (write_data_to_memory): Count write accesses for each mode. Write to
980 memory using sim_core_write_unaligned_1;
981 (read_data_from_memory): New function.
982 (fill_line_from_memory): Use read_data_from_memory.
983 (copy_line_to_return_buffer): New function.
984 (copy_memory_to_return_buffer): New function.
985 (set_return_buffer_reqno): New function.
986 (frv_cache_read): Now takes pipe index as second argument. Check for
987 non-cache access.
988 (frv_cache_preload): Check for non-cache access.
989 (frv_cache_unlock): Check for non-cache access.
990 (invalidate_return_buffer): New function.
991 (frv_cache_invalidate): Check for non-cache access.
992 (convert_slot_to_index): New function.
993 (FREE_CHAIN_SIZE): New macro.
994 (frv_cache_request_free_chain): New static variable.
995 (frv_store_request_free_chain): New static variable.
996 (allocate_new_cache_requests): New function.
997 (new_cache_request): New function.
998 (free_cache_request): New function.
999 (new_store_request): New function.
1000 (pipeline_remove_request): New function.
1001 (pipeline_add_request): New function.
1002 (pipeline_requeue_request): New function.
1003 (next_priority): New function.
1004 (add_WAR_request): New function.
1005 (pipeline_next_request): New function.
1006 (pipeline_stage_request): New function.
1007 (advance_pipelines): New function.
1008 (frv_cache_request_load): New function.
1009 (frv_cache_request_store): New function.
1010 (frv_cache_request_invalidate): New function.
1011 (frv_cache_request_preload): New function.
1012 (frv_cache_request_unlock): New function.
1013 (address_interference): New function.
1014 (wait_for_WAR): New function.
1015 (wait_in_WAR): New function.
1016 (handle_req_load): New function.
1017 (handle_req_preload): New function.
1018 (handle_req_store): New function.
1019 (handle_req_invalidate): New function.
1020 (handle_req_unlock): New function.
1021 (handle_req_WAR): New function.
1022 (arbitrate_requests): New function.
1023 (move_ARS_to_WAR): New function.
1024 (decrease_latencies): New function.
1025 (frv_cache_run): New function.
1026 (frv_cache_read_passive_SI): New function.
1027 (frv_cache_data_in_buffer): New function.
1028 (frv_cache_data_flushed): New function.
1029 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1030
1031Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
1032
1033 * configure: Regenerated to track ../common/aclocal.m4 changes.
1034
10352000-05-19 Dave Brolley <brolley@redhat.com>
1036
1037 * traps.c (frv_rett): Check for exceptions in the order specified in the
1038 architecture spec. Allow privileged_instruction interrrupt to be handled
1039 normally.
1040 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
1041 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
1042 to clear the NE flag.
1043 (frvbf_model_tomcat_u_exec): New function.
1044 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
1045 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1046 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1047
10482000-05-18 Dave Brolley <brolley@redhat.com>
1049
1050 * sim-if.c (elf-bfd.h): #include it.
1051 (sim_open): Set machine amd architecture based on elf flags.
1052
10532000-04-04 Dave Brolley <brolley@redhat.com>
1054
1055 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1056 Delete '#if 0' blocks.
1057 * frv.c: Delete '#if 0' blocks.
1058 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1059 PSR.S and PSR.ESR.
1060 (frv_h_psr_esr_set_handler): Removed.
1061 * interrupts.c: Delete '#if 0' blocks.
1062 * memory.c: Delete '#if 0' blocks.
1063 * cpu.c,cpu.h: Regenerate.
1064
10652000-04-03 Dave Brolley <brolley@redhat.com>
1066
1067 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1068 containing the target address.
1069 (clear_nesr_neear): No longer takes hi_available and lo_available.
1070 Remove bogus check for available GR registers.
1071 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1072 (frvbf_commit): Update call to clear_nesr_neear.
1073 * interrupts.c (next_available_esr): Removed.
1074 (next_available_edr): Removed.
1075 (next_available_fq): Removed.
1076 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1077 (frvbf_store_register): Remove "FIXME" comment.
1078 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1079 (UART_OUTCHAR_ADDR): Removed.
1080 (UART_STATUS_ADDR): Removed.
1081 (UART_INPUT_READY): Removed.
1082 (UART_OUTPUT_READY): Removed.
1083 (FRV_DEVICE_ADDR): Removed.
1084 (FRV_DEVICE_LEN): Removed.
1085 (SET_NESR): Call frvbf_force_update.
1086 (SET_NEEAR): Call frvbf_force_update.
1087 (SET_NE_FLAGS): Call frvbf_force_update.
1088
10892000-03-30 Dave Brolley <brolley@redhat.com>
1090
1091 * configure: Regenerated.
1092
10932000-03-30 Dave Brolley <brolley@redhat.com>
1094
1095 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1096 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1097 performing the write.
1098 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1099 queue element with the information in the interrupt state.
1100 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1101 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1102 (frv_set_interrupt_queue_slot): New function.
1103 (esr_for_data_access_exception): New function.
1104 (set_edr_register): edr_index is now passed in.
1105 (fq_for_exception): New function.
1106 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1107 element now passed in.
1108 (set_exception_status_registers): Obtain slot from interrupt queue
1109 element. Call esr_for_data_access_exception. Use ESR14
1110 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1111 (frv_save_data_written_for_interrupts): Save slot containing the insn
1112 performing the write.
1113 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1114 frv_fsr_ftt.
1115 (struct frv_interrupt_state): Add 'slot' field.
1116 (frv_set_interrupt_queue_slot): New function.
1117 (frv_set_write_queue_slot): New function.
1118
11192000-03-24 Dave Brolley <brolley@redhat.com>
1120
1121 * mloop.in (_parallel_write_init): Initialize
1122 frv_interrupt_state.imprecise_interrupt.
1123 (_parallel_write_queued): After an imprecise interrupt, only perform
1124 forced writes and floating point writes (for certain exceptions).
1125 * interrupts.c (handle_interrupt): Set
1126 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1127 interrupt.
1128 (frv_process_interrupts): No need to clear f_ne_flags.
1129 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1130 force them to happen even if there is an overflow exception.
1131 (frvbf_force_update): New function.
1132 * frv-sim.h (frvbf_force_update): New function.
1133 (struct frv_interrupt_state): Add imprecise_interrupt.
1134 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1135 * sem.c: Regenerate.
1136
11372000-03-23 Dave Brolley <brolley@redhat.com>
1138
1139 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1140 * registers.c (frv_spr): MCIRL -> MCILR.
1141 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1142 New function.
1143 (frv_detect_insn_access_interrupts):
1144 Call frv_queue_non_implemented_instruction_interrupt.
1145 (frv_process_interrupts): Clear accumulated NE flags.
1146 * frv.c (frvbf_media_cop): New function.
1147 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1148 the NE flag of the given target register.
1149 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1150 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1151 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1152 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1153 (frvbf_model_fr500_u_float_dual_convert): New function.
1154 * frv-sim.h (frvbf_media_cop): New function.
1155 (GET_FQ): Use H_SPR_FQST0.
1156 (SET_FQ): Use H_SPR_FQST0.
1157 (SET_FQ_OPC): Use J_SPR_FQOP0.
1158 (GET_MSR_EMCI): New macro.
1159 (frv_queue_non_implemented_instruction_interrupt): New function.
1160 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1161
11622000-03-08 Dave Brolley <brolley@redhat.com>
1163
1164 * traps.c (frv_rett): Align new_pc.
1165 * memory.c (frvbf_read_mem_HI): Align address.
1166 (frvbf_read_mem_UHI): Align address.
1167 (frvbf_read_mem_SI): Align address.
1168 (frvbf_read_mem_DI): Align address.
1169 (frvbf_read_mem_DF): Align address.
1170 (frvbf_read_imem_USI): Align address.
1171 (frvbf_mem_set_HI): Align address.
1172 (frvbf_mem_set_SI): Align address.
1173 (frvbf_mem_set_DI): Align address.
1174 (frvbf_mem_set_DF): Align address.
1175 (frvbf_mem_set_XI): Align address.
1176 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1177 (fr500_spr): Initialize FSR0.NS to 1.
1178 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1179 whether the exception is masked.
1180 * frv.c (frvbf_load_quad_GR): Align address.
1181 (frvbf_store_quad_GR): Align address.
1182 (frvbf_load_quad_FRint): Align address.
1183 (frvbf_store_quad_FRint): Align address.
1184 (frvbf_load_quad_CPR): Align address.
1185 (frvbf_store_quad_CPR): Align address.
1186 * frv-sim.h (GET_ISR_EMAM): New macro.
1187
11882000-03-08 Dave Brolley <brolley@redhat.com>
1189
1190 * traps.c (frvbf_division_exception): Check for masked overflow and
1191 set NE flags, if necessary.
1192 (frvbf_check_recovering_store): Queue writes to the hardware.
1193 (check_registers_available): Removed.
1194 (which_registers_available): Call frv_{fr,gr}_registers_available.
1195 (frvbf_clear_ne_flags): Call check_register_access.
1196 (frvbf_commit): Call check_register_access.
1197 * registers.h (frv_fr_registers_available): New function.
1198 (frv_gr_registers_available): New function.
1199 (frv_check_register_access): New function.
1200 (frv_check_gr_access): New function.
1201 (frv_check_fr_access): New function.
1202 * registers.c (frv_spr): Correct initial value of ISR.
1203 (fr500_spr): Correct initial value of ISR.
1204 (frv_fr_registers_available): New function.
1205 (frv_gr_registers_available): New function.
1206 (frv_check_register_access): New function.
1207 (frv_check_gr_access): New function.
1208 (frv_check_fr_access): New function.
1209 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1210 (set_isr_exception_fields): New function.
1211 (set_exception_status_registers): Set ISR fields for division exception.
1212 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1213 * frv.c (frvbf_h_gr_get_handler): New function.
1214 (frvbf_h_gr_set_handler): New function.
1215 (frvbf_h_fr_get_handler): New function.
1216 (frvbf_h_fr_set_handler): New function.
1217 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1218 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1219 (spr_isr_get_handler): Removed.
1220 (spr_isr_set_handler): Removed.
1221 (frvbf_signed_integer_divide): New funciton.
1222 (frvbf_unsigned_integer_divide): New funciton.
1223 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1224 (frvbf_h_gr_set_handler): New function.
1225 (frvbf_h_fr_get_handler): New function.
1226 (frvbf_h_fr_set_handler): New function.
1227 (frvbf_signed_integer_divide): New funciton.
1228 (frvbf_unsigned_integer_divide): New funciton.
1229 (frv_dtt): New enumeration.
1230 (struct frv_interrupt_queue_element): Add dtt member.
1231 (GET_ISR): New macro.
1232 (SET_ISR): New macro.
1233 (GET_ISR_EDEM): New macro.
1234 (SET_ISR_DTT): New macro.
1235 (SET_ISR_AEXC): New macro.
1236 (frvbf_division_exception): Add 2 'int' arguments.
1237 (frvbf_check_non_excepting_divide): Removed.
1238 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1239
12402000-02-29 Dave Brolley <brolley@redhat.com>
1241
1242 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1243 (frv_rett): Use hardware access macros. Write PSR as a whole.
1244 (next_available_nesr): Check that NECR is valid.
1245 (next_valid_nesr): Check that NECR is valid.
1246 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1247 call hardware access functions. Use cover macros.
1248 (check_registers_available): New function.
1249 (clear_nesr_near): Check register availability.
1250 (clear_ne_flags): Check register availability.
1251 (frvbf_clear_ne_flags): Check register availability.
1252 (frvbf_commit): Check register availability.
1253 (which_registers_available): New function.
1254 * sim-main.h (registers.h): #include it.
1255 (register_control): New cpu field.
1256 (CPU_REGISTER_CONTROL): New macro.
1257 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1258 (frv_power_on_reset): Initialize SPR registers and RSTR.
1259 (frv_hardware_reset): Initialize SPR registers and RSTR.
1260 (frv_software_reset): Reset SPR registers and RSTR.
1261 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1262 Call frv_cache_init.
1263 * mloop.in (main loop): Check for insn access interrupts before
1264 executing the insn.
1265 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1266 (frv_detect_insn_access_interrupts): Don't call hardware access
1267 functions directly. Use cover macros.
1268 (check_reset): Don't reset RSTR here.
1269 (next_available_esr): ESFR -> ESFR_FLAG.
1270 (next_available_edr): ESFR -> ESFR_FLAG.
1271 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1272 ESFR -> ESFR_FLAG.
1273 (frv_break_interrupt): Don't call hardware access functions directly.
1274 Use cover macros.
1275 (frv_program_or_software_interrupt): Ditto.
1276 (frv_external_interrupt): Ditto.
1277 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1278 (frvbf_store_register): Don't call 'set' functions directly.
1279 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1280 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1281 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1282 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1283 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1284 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1285 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1286 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1287 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1288 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1289 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1290 Support shadow registers.
1291 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1292 Support shadow registers.
1293 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1294 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1295 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1296 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1297 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1298 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1299 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1300 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1301 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1302 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1303 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1304 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1305 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1306 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1307 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1308 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1309 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1310 version 1.3a.
1311 (spr_ccr_get_handler): Don't reference the hardware directly.
1312 (spr_ccr_set_handler): Don't reference the hardware directly.
1313 (spr_cccr_get_handler): Don't reference the hardware directly.
1314 (spr_cccr_set_handler): Don't reference the hardware directly.
1315 (spr_sr_get_handler): New function.
1316 (spr_sr_set_handler): New function.
1317 (frvbf_switch_supervisor_user_context): Temporarily switch to
1318 supervisor mode.
1319 (frvbf_store_quad_GR): Don't call handler directly.
1320 (frvbf_store_quad_FRint): Don't call handler directly.
1321 (frvbf_store_quad_CPR): Don't call handler directly.
1322 (frvbf_clear_all_accumulators): Removed.
1323 (frvbf_clear_accumulators): New function.
1324 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1325 Account for in_ACCGi and out_ACCGk.
1326 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1327 (RSTR_SOFTWARE_RESET): New macro.
1328 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1329 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1330 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1331 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1332 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1333 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1334 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1335 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1336 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1337 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1338 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1339 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1340 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1341 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1342 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1343 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1344 (frvbf_clear_all_accumulators): Removed.
1345 (frvbf_clear_accumulators): New function.
1346 (GET_HSR0): Use GET_H_SPR.
1347 (SET_HSR0): Use SET_H_SPR.
1348 (CLEAR_HSR0_ICE): New macro.
1349 (CLEAR_HSR0_DCE): New macro.
1350 (GET_IHSR8): Use GET_H_SPR.
1351 (GET_PSR): New macro.
1352 (SET_PSR_ET): New macro.
1353 (GET_PSR_PS): New macro.
1354 (SET_PSR_S): New macro.
1355 (GET_ESFR): Changed to reference entire register.
1356 (SET_ESFR): Changed to reference entire register.
1357 (GET_ESFR_FLAG): New macro.
1358 (SET_ESFR_FLAG): New macro.
1359 (NECR_ELOS): Removed.
1360 (NECR_NEN): Removed.
1361 (NECR_VALID): Removed.
1362 (GET_NECR): New macro.
1363 (GET_NECR_ELOS): New macro.
1364 (GET_NECR_NEN): New macro.
1365 (GET_NECR_VALID): New macro.
1366 (NESR_RANGE): Removed.
1367 (GET_NESR): Use GET_H_SPR.
1368 (GET_NE_FLAGS): Use GET_H_SPR.
1369 * cache.h (CACHE_INITIALIZED): New macro.
1370 * Makefile.in (SIM_OBJS): Add registers.o.
1371 (SIM_EXTRA_DEPS): Add registers.h.
1372 (registers.o): New target.
1373 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1374
13752000-02-17 Dave Brolley <brolley@redhat.com>
1376
1377 * interrupts.c (frv_interrupt_table): Update priority order and handler
1378 offsets to conform to the architecture version 1.3a.
1379 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1380 to the architecture version 1.3a.
1381
13822000-02-17 Dave Brolley <brolley@redhat.com>
1383
1384 * interrupts.c (frv_interrupt_table): Update priority order and handler
1385 offsets to conform to the latest specifications.
1386 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1387 queued. New variable 'iclass' used to test for external interrupts.
1388 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1389 to the latest specifications.
1390
13912000-01-20 Dave Brolley <brolley@redhat.com>
1392
1393 * sim-if.c (sim_open): Move frv-specific initialization to
1394 frv_initialize in reset.c.
1395 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1396 status bits for hardware vs software reset.
1397 * reset.c: New file.
1398 * frv-sim.h (frv_initialize): New function.
1399 (frv_power_on_reset): New function.
1400 (frv_hardware_reset): New function.
1401 (frv_software_reset): New function.
1402 (RSTR_ADDRESS): New macro.
1403 (RSTR_INITIAL_VALUE): New macro.
1404 (GET_RSTR_HR): New macro.
1405 (GET_RSTR_SR): New macro.
1406 (SET_RSTR_H): New macro.
1407 (SET_RSTR_S): New macro.
1408 (CLEAR_RSTR_P): New macro.
1409 (CLEAR_RSTR_H): New macro.
1410 (CLEAR_RSTR_S): New macro.
1411 (CLEAR_RSTR_HR): New macro.
1412 (CLEAR_RSTR_SR): New macro.
1413
14142000-01-03 Dave Brolley <brolley@cygnus.com>
1415
1416 * mloop.in (execute): Only call modeling function if the pointer is not
1417 NULL.
1418 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1419 fr500.
1420
14212000-01-03 Dave Brolley <brolley@cygnus.com>
1422
1423 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1424 (frv_options): Add --memory-latency.
1425 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1426 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1427 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1428 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1429 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1430 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1431 (update_latencies): Only clear usage flags if the register has no
1432 target latency.
1433 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1434 not |= (or assgnment).
1435 (frvbf_model_insn_after): Print post processing wait for all insns.
1436 Update prev_acc_p1 and prev_acc_p2.
1437 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1438 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1439 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1440 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1441 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1442 (frvbf_model_fr500_u_media_quad_arith): New function.
1443 (frvbf_model_fr500_u_media_dual_mul): New function.
1444 (frvbf_model_fr500_u_media_quad_mul): New function.
1445 (frvbf_model_fr500_u_media_quad_complex): New function.
1446 (frvbf_model_fr500_u_media_dual_expand): New function.
1447 (frvbf_model_fr500_u_media_dual_unpack): New function.
1448 (frvbf_model_fr500_u_media_dual_btoh): New function.
1449 (frvbf_model_fr500_u_media_dual_htob): New function.
1450 (frvbf_model_fr500_u_media_dual_btohe): New function.
1451 (frv_ref_SI): New function.
1452 * cache.h (FRV_CACHE): Add memory_latency field.
1453 * cache.c (frv_cache_init): Initialize memory_latency.
1454 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1455
14561999-12-17 Dave Brolley <brolley@cygnus.com>
1457
1458 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1459 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1460 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1461 (OPTIONS_FRV_TIMER): New enumeration.
1462 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1463 (frv_option_handler): Override common implementation of -p. Handle
1464 --profile-cache, --profile-parallel, --timer.
1465 * mloop.in (execute): Call profiling functions if the timer interrupt
1466 is enabled.
1467 (@cpu@_simulate_insn_prefetch): New function.
1468 (main loop): Call @cpu@_simulate_insn_prefetch.
1469 * interrupts.c (frv_queue_interrupt): Don't queue two external
1470 interrupts of the same priority.
1471 (frv_queue_external_interrupt): New function.
1472 (frv_external_interrupt): New function.
1473 (handle_interrupt): Handle external interrupts.
1474 (check_reset): New function.
1475 (frv_process_interrupts): Call check_reset.
1476 * frv.c: Include "bfd.h"
1477 (frvbf_h_psr_get_handler): Set the PIL field.
1478 (frvbf_h_psr_set_handler): Get the PIL field.
1479 (DUAL_REG): New macro.
1480 (DUAL_DOUBLE): New macro.
1481 (SET_USE_IS_FPOP): New macro.
1482 (SET_USE_NOT_FPOP): New macro.
1483 (USE_IS_FPOP): New macro.
1484 (SET_USE_IS_MEDIA): New macro.
1485 (SET_USE_NOT_MEDIA): New macro.
1486 (USE_IS_MEDIA_P1): New macro.
1487 (SET_USE_IS_MEDIA_P1): New macro.
1488 (SET_USE_NOT_MEDIA_P1): New macro.
1489 (SET_USE_IS_MEDIA_P2): New macro.
1490 (SET_USE_NOT_MEDIA_P2): New macro.
1491 (USE_IS_MEDIA_P2): New macro.
1492 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1493 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1494 (ACC_USE_IS_MEDIA_P1): New macro.
1495 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1496 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1497 (ACC_USE_IS_MEDIA_P2): New macro.
1498 (RESOURCE_IDIV): New macro.
1499 (RESOURCE_FDIV): New macro.
1500 (RESOURCE_SQRT): New macro.
1501 (fr_busy_adjust): New array.
1502 (acc_busy_adjust): New array.
1503 (apply_latency_adjustments): New function.
1504 (update_latencies): New function.
1505 (handle_wait_cycles): New function.
1506 (handle_resource_wait): New function.
1507 (update_target_latencies): New function.
1508 (frvbf_model_insn_before): Add resource latency to cycle counts.
1509 (frvbf_model_insn_after): Add resource latency to cycle counts.
1510 (update_GR_latency): New function.
1511 (update_GRdouble_latency): New function.
1512 (update_FR_latency): New function.
1513 (update_FRdouble_latency): New function.
1514 (decrease_ACC_busy): New function.
1515 (decrease_FR_busy): New function.
1516 (increase_FR_busy): New function.
1517 (update_ACC_latency): New function.
1518 (update_CCR_latency): New function.
1519 (update_idiv_resource_latency): New function.
1520 (update_fdiv_resource_latency): New function.
1521 (update_fsqrt_resource_latency): New function.
1522 (vliw_wait_for_GR): New function.
1523 (vliw_wait_for_GRdouble): New function.
1524 (vliw_wait_for_FR): New function.
1525 (vliw_wait_for_FRdouble): New function.
1526 (vliw_wait_for_CCR): New function.
1527 (vliw_wait_for_ACC): New function.
1528 (vliw_wait_for_idiv_resource): New function.
1529 (vliw_wait_for_fdiv_resource): New function.
1530 (vliw_wait_for_fsqrt_resource): New function.
1531 (enforce_full_fr_latency): New function.
1532 (frvbf_model_fr500_u_exec): New function.
1533 (frvbf_model_fr500_u_integer): New function.
1534 (frvbf_model_fr500_u_imul): New function.
1535 (frvbf_model_fr500_u_idiv): New function.
1536 (frvbf_model_fr500_u_branch): New function.
1537 (frvbf_model_fr500_u_set_hilo): New function.
1538 (frvbf_model_fr500_u_gr_load_store): New function.
1539 (frvbf_model_fr500_u_fr_load_store): New function.
1540 (frvbf_model_fr500_u_swap): New function.
1541 (frvbf_model_fr500_u_fr2fr): New function.
1542 (frvbf_model_fr500_u_fr2gr): New function.
1543 (frvbf_model_fr500_u_spr2gr): New function.
1544 (frvbf_model_fr500_u_gr2fr): New function.
1545 (frvbf_model_fr500_u_gr2spr): New function.
1546 (post_wait_for_FR): New function.
1547 (post_wait_for_FRdouble): New function.
1548 (post_wait_for_ACC): New function.
1549 (post_wait_for_CCR): New function.
1550 (post_wait_for_fdiv): New function.
1551 (post_wait_for_fsqrt): New function.
1552 (adjust_float_register_busy): New function.
1553 (adjust_double_register_busy): New function.
1554 (restore_float_register_busy): New function.
1555 (restore_double_register_busy): New function.
1556 (frvbf_model_fr500_u_float_arith): New function.
1557 (frvbf_model_fr500_u_float_dual_arith): New function.
1558 (frvbf_model_fr500_u_float_div): New function.
1559 (frvbf_model_fr500_u_float_sqrt): New function.
1560 (frvbf_model_fr500_u_float_compare): New function.
1561 (frvbf_model_fr500_u_float_dual_compare): New function.
1562 (frvbf_model_fr500_u_float_convert): New function.
1563 (frvbf_model_fr500_u_media): New function.
1564 (frvbf_model_fr500_u_barrier): New function.
1565 (frvbf_model_fr500_u_membar): New function.
1566 * frv-sim.h (LEUINT): New macro.
1567 (GET_HSR0_SA): New macro.
1568 (struct frv_interrupt_timer): New struct.
1569 (struct frv_interrupt_state): Add timer fiield.
1570 (frv_queue_external_interrupt): New function.
1571 (frv_external_interrupt): New function.
1572 (frv_profile_info): New function.
1573 (PROFILE_CACHE_IDX): New enumerator.
1574 (PROFILE_PARALLEL_IDX): New enumerator.
1575 (PROFILE_cache): New macro.
1576 (PROFILE_parallel): New macro.
1577 (WITH_PROFILE_CACHE_P): New macro.
1578 (WITH_PROFILE_PARALLEL_P): New macro.
1579 * cache.h (FRV_CACHE): Add last_was_hit field.
1580 * cache.c (get_tag): Use new last_was_hit field.
1581 (frv_cache_read): Ditto.
1582 (frv_cache_write): Ditto.
1583 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1584
15851999-12-13 Dave Brolley <brolley@cygnus.com>
1586
1587 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1588 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1589 sim_queue_fn_di_write.
1590 (frvbf_media_cut_ss): New function.
1591 * frv-sim.h (frvbf_media_cut_ss): New function.
1592 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1593
15941999-12-13 Dave Brolley <brolley@cygnus.com>
1595
1596 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1597 no constraints.
1598 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1599 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1600 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1601 FRV_IS_MEDIA_INSN.
1602 * frv.c (frvbf_model_simple_u_exec): New function.
1603 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1604 (FRV_IS_MEDIA_INSN): Range includes M-8.
1605
1606 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1607 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1608 Regenerate.
1609
16101999-12-10 Dave Brolley <brolley@cygnus.com>
1611
1612 * traps.c (check_registers_available): New function.
1613 (clear_ne_flags): Generate register_exception if register(s) not
1614 available.
1615 (frvbf_commit): Generate register_exception if register(s) not
1616 available.
1617 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1618 GR4-GR7 to SR0-SR4.
1619 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1620 PSR.ESR.
1621 (frvbf_h_psr_s_set_handler): New function.
1622 (frvbf_h_psr_esr_set_handler): New function.
1623 (frvbf_switch_supervisor_user_context): New function.
1624 (frvbf_scan_result): Reflect latest ISA.
1625 * frv-sim.h (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 (GET_HSR0_FRN): New Macro.
1629 (GET_HSR0_GRN): New Macro.
1630 (GET_HSR0_FRHE): New Macro.
1631 (GET_HSR0_FRLE): New Macro.
1632 (GET_HSR0_GRHE): New Macro.
1633 (GET_HSR0_GRLE): New Macro.
1634 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1635 (GET_ESFR): New bit ordering.
1636 (SET_ESFR): New bit ordering.
1637 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1638
16391999-12-10 Michael Meissner <meissner@cygnus.com>
1640
1641 * Makefile.in (sim-if.o): Add eng.h dependency.
1642
16431999-12-09 Dave Brolley <brolley@cygnus.com>
1644
1645 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1646 Pass sc->last_insn_p to @cpu@_model_insn_before.
1647 (main loop): Compute sc->first_insn_p.
1648 * frv.c (frvbf_model_insn_before): Set state variables.
1649 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1650 (frvbf_model_fr500_u_integer): Remove.
1651 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1652
16531999-12-07 Dave Brolley <brolley@cygnus.com>
1654
1655 * sim-main.h (cache.h): Include it.
1656 (insn_cache): New member.
1657 (data_cache): New member.
1658 (CPU_INSN_CACHE): New macro.
1659 (CPU_DATA_CACHE): New macro.
1660 * sim-if.c (WANT_CPU): New macro.
1661 (WANT_CPU_FRVBF): New macro.
1662 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1663 data and insn caches for each cpu.
1664 (sim_close): Call frv_cache_term for the insn and data caches of each
1665 cpu.
1666 * mloop.in (extract): Read insn from the cache.
1667 (main loop): Access the insn cache in order to maintain stats.
1668 * memory.c (data_non_cache_access): New function.
1669 (insn_non_cache_access): New function.
1670 (frvbf_read_mem_QI): Attempt to read from the cache first.
1671 (frvbf_read_mem_UQI): Ditto.
1672 (frvbf_read_mem_HI): Ditto.
1673 (frvbf_read_mem_UHI): Ditto.
1674 (frvbf_read_mem_SI): Ditto.
1675 (frvbf_read_mem_DI): Ditto.
1676 (frvbf_read_mem_DF): Ditto.
1677 (frvbf_read_imem_USI): New function.
1678 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1679 (frvbf_write_mem_UQI): Ditto.
1680 (frvbf_write_mem_HI): Ditto.
1681 (frvbf_write_mem_UHI): Ditto.
1682 (frvbf_write_mem_SI): Ditto.
1683 (frvbf_write_mem_DI): Ditto.
1684 (frvbf_write_mem_DF): Ditto.
1685 (frvbf_mem_set_QI): New function.
1686 (frvbf_mem_set_HI): New function.
1687 (frvbf_mem_set_SI): New function.
1688 (frvbf_mem_set_DI): New function.
1689 (frvbf_mem_set_DF): New function.
1690 (frvbf_mem_set_XI): New function.
1691 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1692 CGEN_FN_MEM_QI_WRITE,
1693 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1694 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1695 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1696 Call sim_queue_fn_mem_xi_write.
1697 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1698 Call sim_queue_fn_mem_xi_write.
1699 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1700 Call sim_queue_fn_mem_xi_write.
1701 (frvbf_insn_cache_preload): New function.
1702 (frvbf_data_cache_preload): New function.
1703 (frvbf_insn_cache_unlock): New function.
1704 (frvbf_data_cache_unlock): New function.
1705 (frvbf_insn_cache_invalidate): New function.
1706 (frvbf_data_cache_invalidate): New function.
1707 (frvbf_data_cache_flush): New function.
1708 * frv-sim.h (sim-options.h): Include it.
1709 (GET_HSR0): New macro.
1710 (SET_HSR0): New macro.
1711 (GET_HSR0_ICE): New macro.
1712 (SET_HSR0_ICE): New macro.
1713 (GET_HSR0_DCE): New macro.
1714 (SET_HSR0_DCE): New macro.
1715 (GET_HSR0_CBM): New macro.
1716 (GET_HSR0_RME): New macro.
1717 (GET_IHSR8): New macro.
1718 (GET_IHSR8_NBC): New macro.
1719 (frvbf_insn_cache_preload): New function.
1720 (frvbf_data_cache_preload): New function.
1721 (frvbf_insn_cache_unlock): New function.
1722 (frvbf_data_cache_unlock): New function.
1723 (frvbf_insn_cache_invalidate): New function.
1724 (frvbf_data_cache_invalidate): New function.
1725 (frvbf_data_cache_flush): New function.
1726 (insn_non_cache_access): New function.
1727 (frvbf_read_imem_USI): New function.
1728 (frvbf_mem_set_QI): New function.
1729 (frvbf_mem_set_HI): New function.
1730 (frvbf_mem_set_SI): New function.
1731 (frvbf_mem_set_DI): New function.
1732 (frvbf_mem_set_DF): New function.
1733 (frvbf_mem_set_XI): New function.
1734 (frv_options): FRV specific command line options.
1735 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1736 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1737 (cache.o): New target.
1738 (options.o): New target.
1739 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1740 * cache.h: New file.
1741 * cache.c: New file.
1742 * options.c: New file.
1743
17441999-11-29 Dave Brolley <brolley@cygnus.com>
1745
1746 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1747 (frvbf_check_non_excepting_divide): Ditto.
1748 (clear_ne_flags): Ditto
1749 (frvbf_commit): Ditto.
1750 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1751 * mloop.in (_parallel_write_init): Clear NE flags here.
1752 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1753 for non excepting insns. Also check for masked interrupts here.
1754 (frv_process_interrupts): Write NE flags here.
1755 (set_fp_exception_registers): No longer check for masked interrupts
1756 here.
1757 (check_for_compound_interrupt): No need to worry about masked
1758 interrupts.
1759 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1760 (GET_NE_FLAGS): New macro.
1761 (SET_NE_FLAGS): New macro.
1762 (GET_NE_FLAG): Operate on accumulated argument.
1763 (SET_NE_FLAG): Operate on accumulated argument.
1764 (CLEAR_NE_FLAG): Operate on accumulated argument.
1765 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1766 (frv.o): Correct dependencies.
1767 (traps.o): Ditto.
1768 (pipeline.o): Ditto.
1769 (interrupts.o): Ditto.
1770 (memory.o): Ditto.
1771 * sem.c: Regenerate.
1772
17731999-11-26 Dave Brolley <brolley@cygnus.com>
1774
1775 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1776 there is an exception indicated in the mask.
1777 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1778 state when adding a floating point insn to the pipeline.
1779 * interrupts.c (set_fp_exception_registers): Set NE flag for
1780 non-excepting insns.
1781 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1782 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1783 (frvbf_h_fr_int_get_handler): New function.
1784 (frvbf_h_fr_int_set_handler): New function.
1785 (frvbf_set_ne_index): New function.
1786 (NE_NOFLAG): New macro.
1787 (frv_interrupt_state): Add ne_index member.
1788 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1789 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1790 (frvbf_h_fr_int_get_handler): New function.
1791 (frvbf_h_fr_int_set_handler): New function.
1792 (frvbf_set_ne_index): New function.
1793 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1794
17951999-11-24 Dave Brolley <brolley@cygnus.com>
1796
1797 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1798
17991999-11-23 Dave Brolley <brolley@cygnus.com>
1800
1801 * frv-sim.h (frvbf_media_cut): New function.
1802 * frv.c (frvbf_media_cut): New function.
1803 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1804
18051999-11-22 Dave Brolley <brolley@cygnus.com>
1806
1807 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1808 * frv.c.h (frvbf_clear_all_accumulators): New function.
1809 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1810
18111999-11-18 Dave Brolley <brolley@cygnus.com>
1812
1813 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1814 if this is the first insn of its class in the pipeline.
1815 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1816 * traps.c (frvbf_media_register_not_aligned): New function.
1817 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1818
18191999-11-17 Dave Brolley <brolley@cygnus.com>
1820
1821 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1822 * frv-sim.h (OR_MSR_SIE): New macro.
1823 (CLEAR_MSR_SIE): New macro.
1824 (frvbf_media_overflow): Now takes sie argument.
1825 (frv_set_mp_exception_registers): Now takes sie argument.
1826 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1827 Set MSRx.SIE field.
1828 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1829
18301999-11-15 Dave Brolley <brolley@cygnus.com>
1831
1832 * traps.c (frv_mtrap): New function.
1833 (frvbf_media_cr_not_aligned): New function.
1834 (frvbf_media_acc_not_aligned): New function.
1835 (frvbf_media_overflow): New function.
1836 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1837 * interrupts.c: Call frv_set_mp_exception_registers.
1838 (frv_set_mp_exception_registers): New function.
1839 * frv-sim.h (frv_msr_mtt): New enumeration.
1840 (GET_MSR): New macro.
1841 (SET_MSR): New macro.
1842 (GET_MSR_AOVF): New macro.
1843 (SET_MSR_AOVF): New macro.
1844 (GET_MSR_OVF): New macro.
1845 (SET_MSR_OVF): New macro.
1846 (CLEAR_MSR_OVF): New macro.
1847 (GET_MSR_MTT): New macro.
1848 (SET_MSR_MTT): New macro.
1849 (frv_set_mp_exception_registers): New function.
1850 (frv_mtrap): New function.
1851 (FRV_IS_MEDIA_INSN): New macro.
1852 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1853
18541999-11-10 Dave Brolley <brolley@cygnus.com>
1855
1856 * sim-main.h (_sim_cpu): Add debug_state member.
1857 * mloop.in (_parallel_write_queued): Clear data_written.length.
1858 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1859 handler is 0xff.
1860 (frv_queue_break_interrupt): New function.
1861 (frv_break_interrupt): New function.
1862 (handle_interrupt): Handle break_interrupt.
1863 (frv_non_operating_interrupt): Now takes interrupt_kind.
1864 * frv-sim.h (frv_queue_break_interrupt): New function.
1865 (frv_break_interrupt): New function.
1866 (frv_break): New function.
1867 (frv_non_operating_interrupt): Now takes interrupt_kind.
1868 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1869
18701999-11-09 Dave Brolley <brolley@cygnus.com>
1871
1872 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1873 a floating point insn.
1874 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1875 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1876 frv_queue_fp_exception_interrupt.
1877 (frv_queue_fp_exception_interrupt): New function.
1878 (next_available_fq): New function.
1879 (set_fp_exception_registers): New function.
1880 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1881 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1882 (frv_program_interrupt): Don't process interrupt if it is masked.
1883 * frv.c (frvbf_h_fr_double_get_handler): Call
1884 frv_queue_fp_exception_interrupt.
1885 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1886 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1887 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1888 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1889 (frv_fp_exception_info): New struct type.
1890 (frv_interrupt_queue_element): Add fp_info member.
1891 (frv_fsr_traps): New enumeration.
1892 (frv_fsr_ftt): New enumeration.
1893 (frv_sie): New enumeration.
1894 (frv_miv): New enumeration.
1895 (GET_FSR): New macro.
1896 (SET_FSR): New macro.
1897 (GET_FSR_TEM): New macro.
1898 (SET_FSR_QNE): New macro.
1899 (SET_FSR_FTT): New macro.
1900 (GET_FSR_AEXC): New macro.
1901 (SET_FSR_AEXC): New macro.
1902 (GET_FQ): New macro.
1903 (SET_FQ): New macro.
1904 (SET_FQ_OPC): New macro.
1905 (SET_FQ_MIV): New macro.
1906 (SET_FQ_SIE): New macro.
1907 (SET_FQ_FTT): New macro.
1908 (SET_FQ_CEXC): New macro.
1909 (GET_FQ_VALID): New macro.
1910 (SET_FQ_VALID): New macro.
1911 (frv_queue_fp_exception_interrupt): New function.
1912 (FRV_IS_FLOAT_INSN): New macro.
1913
19141999-11-04 Dave Brolley <brolley@cygnus.com>
1915
1916 * traps.c (frvbf_fpu_error): No floating point errors need to be
1917 detected.
1918 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1919 of the ESR registers too.
1920 (set_exception_status_registers): Don't set EAR for any precise
1921 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1922 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1923 (non_operating_interrupt): No need for return code.
1924 (frv_program_or_software_interrupt): Process interrupt regardless
1925 of operating mode. If PSR.ET was not set at the start of processing,
1926 then stop the simulation with a message.
1927 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1928 CGEN_MEM_XI_WRITE.
1929 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1930 (frvbf_h_fr_quad_set_handler): New function.
1931 (frvbf_h_cpr_quad_set_handler): New function.
1932 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1933 sim_queue_fn_xi_write.
1934 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1935 sim_queue_fn_xi_write.
1936 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1937 sim_queue_fn_xi_write.
1938 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1939 sim_queue_mem_xi_write.
1940 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1941 sim_queue_mem_xi_write.
1942 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1943 sim_queue_mem_xi_write.
1944 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1945 (frvbf_h_fr_quad_set_handler): New function.
1946 (frvbf_h_cpr_quad_set_handler): New function.
1947 (SET_ESR_VALID): New macro.
1948 (CLEAR_ESR_VALID): New macro.
1949 (CLEAR_ESR_EAV): New macro.
1950 (CLEAR_ESR_EDV): New macro.
1951 * sem.c: Regenerate.
1952
19531999-11-02 Dave Brolley <brolley@cygnus.com>
1954
1955 * traps.c (frv_core_signal): Call
1956 frv_queue_mem_address_not_aligned_interrupt.
1957 * mloop.in (_parallel_write_queued): Call
1958 frv_save_data_written_for_interrupts.
1959 * frv.c (frvbf_h_gr_double_get_handler): Call
1960 frv_queue_register_exception_interrupt.
1961 (frvbf_h_cpr_double_get_handler): Call
1962 frv_queue_register_exception_interrupt.
1963 (frvbf_h_cpr_double_set_handler): Call
1964 frv_queue_register_exception_interrupt.
1965 (frvbf_load_multiple_GR): Call
1966 frv_queue_register_exception_interrupt.
1967 (frvbf_store_multiple_GR): Call
1968 frv_queue_register_exception_interrupt.
1969 (frvbf_load_multiple_CPR): Call
1970 frv_queue_register_exception_interrupt.
1971 (frvbf_store_multiple_CPR): Call
1972 frv_queue_register_exception_interrupt.
1973 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1974 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1975 queue element.
1976 (frv_queue_program_interrupt): Now returns interrupt queue element.
1977 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1978 element.
1979 (frv_queue_interrupt): Now returns interrupt queue element.
1980 (frv_queue_register_exception_interrupt): New function.
1981 (frv_queue_mem_address_not_aligned_interrupt): New function.
1982 (frv_save_data_written_for_interrupts): New function.
1983 (next_available_edr): EDR registers available in blocks of 4.
1984 (clear_exception_status_registers): New function.
1985 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1986
1987 * frv-sim.h (struct frv_data_written): New struct type.
1988 (frv_interrupt_queue_element): Add data_written member.
1989 (frv_queue_software_interrupt): Now returns interrupt queue element.
1990 (frv_queue_program_interrupt): Now returns interrupt queue element.
1991 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1992 element.
1993 (frv_queue_interrupt): Now returns interrupt queue element.
1994 (frv_queue_register_exception_interrupt): New function.
1995 (frv_queue_mem_address_not_aligned_interrupt): New function.
1996 (frv_save_data_written_for_interrupts): New function.
1997
19981999-10-27 Dave Brolley <brolley@cygnus.com>
1999
2000 * interrupts.c (ITABLE_ENTRY): New macro.
2001 (frv_interrupt_table): Add exception codes.
2002 (next_available_esr): New function.
2003 (next_available_edr): New function.
2004 (set_edr_register): New function.
2005 (set_exception_status_registers): New function.
2006 (check_for_compound_interrupt): Record information on all interrupts
2007 found.
2008 (frv_program_interrupt): Always call check_for_compound_interrupt.
2009 * frv.c (frvbf_h_pc_set_handler): Removed.
2010 (frvbf_h_spr_get_handler): Handle LR register.
2011 (frvbf_h_spr_set_handler): Handle LR register.
2012 (frvbf_h_lr_get_handler): New function.
2013 (frvbf_h_lr_set_handler): New function.
2014 * frv-sim.h (frvbf_h_lr_get_handler): New function.
2015 (frvbf_h_lr_set_handler): New function.
2016 (frv_ec): New enumeration.
2017 (frv_interrupt): Add frv_ec field.
2018 (frv_rec): New enumeration.
2019 (frv_daec): New enumeration.
2020 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
2021 (SET_ESR_EC): New macro.
2022 (SET_ESR_REC): New macro.
2023 (SET_ESR_IAEC): New macro.
2024 (SET_ESR_DAEC): New macro.
2025 (SET_ESR_EAV): New macro.
2026 (GET_ESR_EDV): New macro.
2027 (SET_ESR_EDV): New macro.
2028 (GET_ESR_EDN): New macro.
2029 (SET_ESR_EDN): New macro.
2030 (GET_ESR): New macro.
2031 (SET_ESR): New macro.
2032 (SET_EPCR): New macro.
2033 (SET_EAR): New macro.
2034 (SET_EDR): New macro.
2035 (GET_ESFR): New macro.
2036 (SET_ESFR): New macro.
2037 * cpu.c,cpu.h,sem.c: Rebuild.
2038
20391999-10-26 Dave Brolley <brolley@cygnus.com>
2040
2041 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
2042 if mach is frv.
2043 (clear_nesr_neear): Only execute if mach is frv.
2044
20451999-10-22 Dave Brolley <brolley@cygnus.com>
2046
2047 * sim-main.h (sim_cpu): Add pipeline.
2048 (CPU_PIPELINE): New macro.
2049 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2050 (main loop): Maintain pc in cpu.
2051 * frv-sim.h (frv_queue_software_interrupt): New interface.
2052 (frv_queue_program_interrupt): New interface.
2053 (frv_queue_illegal_instruction_interrupt: New interface.
2054 (frv_queue_interrupt): New interface.
2055 (frv_detect_insn_access_interrupts): New interface.
2056 (frv_process_interrupts): New interface.
2057 (frv_program_interrupt): New interface.
2058 (frv_software_interrupt): New interface.
2059 (frv_program_or_software_interrupt): New interface.
2060 (FRV_PIPELINE): Moved from pipline.c.
2061 (frv_pipeline_reset): New interface.
2062 (frv_pipeline_add_insn): New interface.
2063 * interrupts.c (frv_queue_software_interrupt): New interface.
2064 (frv_queue_program_interrupt): New interface.
2065 (frv_queue_illegal_instruction_interrupt: New interface.
2066 (frv_queue_interrupt): New interface.
2067 (frv_detect_insn_access_interrupts): New interface.
2068 (frv_process_interrupts): New interface.
2069 (frv_program_interrupt): New interface.
2070 (frv_software_interrupt): New interface.
2071 (frv_program_or_software_interrupt): New interface.
2072 * frv.c: Use new interfaces.
2073 * pipeline.c: Use new interfaces.
2074 * traps.c: Use new interfaces.
2075 * memory.c: Use new interfaces.
2076 (frv_address_forbidden): No longer static.
2077
20781999-10-19 Dave Brolley <brolley@cygnus.com>
2079
2080 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2081 NESR.EC.
2082 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2083 * frv.c (frvbf_h_pc_set_handler): New function.
2084 * interrupts.c (frv_detect_data_interrupt): Removed.
2085 (address_forbidden): Removed.
2086 * frv-sim.h (frv_detect_data_interrupt): Removed.
2087 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2088 (NESR_REGISTER_NOT_ALIGNED): New macro.
2089 (NESR_UQI_SIZE): New macro.
2090 (NESR_QI_SIZE): New macro.
2091 (NESR_UHI_SIZE): New macro.
2092 (NESR_HI_SIZE): New macro.
2093 (NESR_SI_SIZE): New macro.
2094 (NESR_DI_SIZE): New macro.
2095 (NESR_XI_SIZE): New macro.
2096 (GET_NESR_DAEC): New macro.
2097 (SET_NESR_DAEC): New macro.
2098 (GET_NESR_REC): New macro.
2099 (SET_NESR_REC): New macro.
2100 (GET_NESR_EC): New macro.
2101 (SET_NESR_EC): New macro.
2102 (frvbf_read_mem_QI): New function.
2103 (frvbf_read_mem_UQI): New function.
2104 (frvbf_read_mem_HI): New function.
2105 (frvbf_read_mem_UHI): New function.
2106 (frvbf_read_mem_SI): New function.
2107 (frvbf_read_mem_WI): New function.
2108 (frvbf_read_mem_DI): New function.
2109 (frvbf_read_mem_DF): New function.
2110 (frvbf_write_mem_QI): New function.
2111 (frvbf_write_mem_UQI): New function.
2112 (frvbf_write_mem_HI): New function.
2113 (frvbf_write_mem_UHI): New function.
2114 (frvbf_write_mem_SI): New function.
2115 (frvbf_write_mem_WI): New function.
2116 (frvbf_write_mem_DI): New function.
2117 (frvbf_write_mem_DF): New function.
2118 * Makefile.in (SIM_OBJS): Add memory.o.
2119 * cpu.c,cpu.h,sem.c: Rebuild.
2120
21211999-10-18 Dave Brolley <brolley@cygnus.com>
2122
2123 * sim-if.c (sim_open): Use a real fpu error function.
2124 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2125 * mloop.in (_parallel_write_queued): Clear queue after writing.
2126 * interrupts.c (check_for_compound_interrupt): New function.
2127 (non_operating_interrupt): New function.
2128 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2129 (frvbf_h_gr_double_set_handler): New function.
2130 (frvbf_h_fr_double_get_handler): New function.
2131 (frvbf_h_fr_double_set_handler): New function.
2132 (frvbf_h_cpr_double_get_handler): New function.
2133 (frvbf_h_cpr_double_set_handler): New function.
2134 (frv_interrupt_queue_element): New struct type.
2135 (frv_queue_program_interrupt): Now takes pc.
2136 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2137 (frv_queue_interrupt): Now takes pc.
2138 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2139 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2140 (frvbf_division_exception): New function.
2141 (frvbf_fpu_error): New function.
2142 (frvbf_load_multiple_GR): New function.
2143 (frvbf_load_multiple_FR): New function.
2144 (frvbf_load_multiple_CPR): New function.
2145 * frv.c (frvbf_h_gr_double_get_handler): New function.
2146 (frvbf_h_gr_double_set_handler): New function.
2147 (frvbf_h_fr_double_get_handler): New function.
2148 (frvbf_h_fr_double_set_handler): New function.
2149 (frvbf_h_cpr_double_get_handler): New function.
2150 (frvbf_h_cpr_double_set_handler): New function.
2151 (frv_interrupt_queue_element): New struct type.
2152 (frv_queue_program_interrupt): Now takes pc.
2153 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2154 (frv_queue_interrupt): Now takes pc.
2155 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2156 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2157 (frvbf_fpu_error): New function.
2158 (frvbf_load_multiple_GR): New function.
2159 (frvbf_load_multiple_FR): New function.
2160 (frvbf_load_multiple_CPR): New function.
2161 * traps.c (frvbf_division_exception): New function.
2162 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2163
21641999-10-12 Dave Brolley <brolley@cygnus.com>
2165
2166 * mloop.in (new_vpc): New variable.
2167 (main loop): Call frv_detect_insn_access_interrupts. Call
2168 frv_detect_data_interrupts.
2169 * interrupts.c (access_queued_to): New function.
2170 (frv_detect_data_interrupts): New function.
2171 (frv_detect_insn_access_interrupts): New function.
2172 (frv_program_or_software_interrupt): Set PSR.S.
2173 * frv-sim.h (frv_detect_data_interrupts): New function.
2174 (frv_detect_insn_interrupts): New function.
2175
21761999-10-07 Dave Brolley <brolley@cygnus.com>
2177
2178 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2179 (frvbf_h_gr_hi_set_handler): New function.
2180 (frvbf_h_gr_lo_get_handler): New function.
2181 (frvbf_h_gr_lo.set_handler): New function.
2182 * frv.c (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 (frvbf_model_fr500_u_integer): New function.
2187 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2188
21891999-10-04 Dave Brolley <brolley@cygnus.com>
2190
2191 * traps.c: Use sim_engine_abort.
2192 * pipeline.c (frv_pipeline): Add field for insn major.
2193 (add_next_to_pipe): Return address of matching pipeline.
2194 (find_major_in_pipeline): New function.
2195 (check_insn_major_constraints: New function.
2196 (frv_pipeline_add_insn): Add checks for insn major constraints.
2197 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2198 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2199
2200Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2201
2202 * pipeline.c: New file.
2203 * mloop.in (main loop): Call frv_pipeline_reset.
2204 Call frv_pipeline_add_insn.
2205 * frv-sim.h (frv_pipeline_reset): New function.
2206 (frv_pipeline_add_insn): New function.
2207 * Makefile.in (SIM_OBJS): Add pipeline.o
2208
22091999-09-29 Doug Evans <devans@casey.cygnus.com>
2210
2211 * sem.c: Rebuild.
2212 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2213 result to SEM_PC. Return vpc.
2214
2215Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2216
2217 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2218 (frv_queue_interrupt): Don't detect identical interrupts here.
2219
2220Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2221
2222 * interrupts.c: New file.
2223 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2224 (frv_software_interrupt): Moved to interrupts.c.
2225 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2226 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2227 (@cpu@_perform_writeback): New function.
2228 (main loop): Call frv_process_interrupts.
2229 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2230 (frv_itrap): New interface.
2231 (frv_interrupt_class): New enumeration.
2232 (frv_interrupt_kind): New enumeration.
2233 (struct frv_interrupt): New struct type.
2234 (frv_interrupt_table): New table of interrupt information.
2235 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2236 (struct frv_interrupt_state): New struct type.
2237 (frv_interrupt_state): New global variable.
2238 (previous_vliw_pc): New global variable.
2239 (frv_queue_software_interrupt): New function.
2240 (frv_queue_program_interrupt): New function.
2241 (frv_queue_interrupt): New function.
2242 (frv_process_interrupts): New function.
2243 (frv_program_interrupt): New function.
2244 (frv_software_interrupt): New function.
2245 (frv_program_or_software_interrupt): New function.
2246 (frv_clear_interrupt_classes): New function.
2247 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2248 * Makefile.in (SIM_OBJS): Add interrupts.o
2249 * sem.c: Rebuild.
2250
22511999-09-25 Doug Evans <devans@casey.cygnus.com>
2252
2253 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2254
2255Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2256
2257 * mloop.in (main loop): Determine last insn from scache entry.
2258 * cpu.h: Rebuild.
2259 * cpuall.h: Rebuild.
2260
2261Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2262
2263 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2264 (NECR_ELOS): Define as unshifted value.
2265 (NECR_NEN): Define as unshifted value.
2266 (NECR_VALID): Define as unshifted value.
2267 (SET_NESR): Rewite to use post-write queue.
2268 (SET_NESR_VALID): Rewite to operate on argument.
2269 (SET_NESR_EAV): Rewite to operate on argument.
2270 (SET_NESR_FR): Rewite to operate on argument.
2271 (CLEAR_NESR_FR): Rewite to operate on argument.
2272 (SET_NESR_DRN): Rewite to operate on argument.
2273 (SET_NESR_SIZE): Rewite to operate on argument.
2274 (SET_NESR_NEAN): Rewite to operate on argument.
2275 (SET_NEEAR): Rewite to use post-write queue.
2276 (SET_NE_FLAG): Rewite to use post-write queue.
2277 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2278 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2279 (frv_rett): Rewite to use post-write queue.
2280 (next_available_nesr): Rewrite to use new macro interfaces.
2281 (next_valid_nesr): Ditto.
2282 (frvbf_check_non_excepting_load): Ditto.
2283 (frvbf_check_recovering_store): Ditto.
2284 (clear_nesr_neear): Ditto.
2285 (clear_ne_flags): Ditto.
2286 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2287 when flag is set.
2288 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2289 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2290 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2291 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2292 * Makefile.in (frv.o): Depend on cgen-par.h.
2293
2294Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2295
2296 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2297 (frvbf_write_next_vliw_addr_to_LR): New flag.
2298 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2299 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2300 address of the next VLIW insn if flag is set.
2301 * cpu.h,decode.c,sem.c: Rebuild.
2302
2303Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2304
2305 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2306 * sem.c: Rebuild.
2307
23081999-09-02 Doug Evans <devans@casey.cygnus.com>
2309
2310 * configure: Regenerated to track ../common/aclocal.m4 changes.
2311
23121999-09-01 Doug Evans <devans@casey.cygnus.com>
2313
2314 * decode.c: Rebuild.
2315
2316Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2317
2318 * traps.c (frv_rett): New function.
2319 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2320 (frvbf_h_spr_set_handler): Handle bpsr.
2321 (frvbf_h_bpsr_get_handler): New function.
2322 (frvbf_h_bpsr_set_handler): New function.
2323 * frv-sim.h (frv_rett): New function.
2324 (frvbf_h_bpsr_get_handler): New function.
2325 (frvbf_h_bpsr_set_handler): New function.
2326 * mloop.in: Read actual packing bit.
2327 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2328
2329Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2330
2331 * traps.c (WANT_CPU): New macro.
2332 (WANT_CPU_FRVBF): New macro.
2333 (frvbf_check_recovering_store): Use registers for source and queue
2334 writes.
2335 * mloop.in: New main loop for parallel support.
2336 (@cpu@_parallel_write_init): New function.
2337 (@cpu@_parallel_write_queued): New function.
2338 * frv-sim.h (set_icc_for_shift_left): New interface.
2339 (set_icc_for_shift_right): New interface.
2340 (frvbf_check_recovering_store): New interface.
2341 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2342 (set_icc_for_shift_right): Pass and return icc value.
2343 (frvbf_check_recovering_store): New interface.
2344 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2345 (stamp-mloop): Add cgen parallel options.
2346 (stamp-arch): Remove with-profile option.
2347 (stamp-cpu): Add cgen parallel options.
2348 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2349
23501999-08-28 Doug Evans <devans@casey.cygnus.com>
2351
2352 * cpu.h,decode.c,sem.c: Rebuild.
2353
2354Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2355
2356 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2357
2358Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2359
2360 * configure.in: fr500 now the default model.
2361 * configure: Regenerate.
2362 * frv.c: Change frv-1 to frv-gen.
2363 (frvbf_model_fr500_u_exec): New function.
2364 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2365 * mloop.in: Fix typos in comments.
2366 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2367
23681999-08-17 Dave Brolley <brolley@cygnus.com>
2369
2370 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2371
23721999-08-09 Doug Evans <devans@casey.cygnus.com>
2373
2374 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2375
23761999-08-04 Doug Evans <devans@casey.cygnus.com>
2377
2378 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2379
2380Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2381
2382 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2383 (frvbf_store_register): Use GDB register number macros.
2384 (frvbf_cut): New function.
2385 * frv-sim.h (GR_REGNUM_MAX): New macro.
2386 (FR_REGNUM_MAX): New macro.
2387 (PC_REGNUM): New macro.
2388 (LR_REGNUM): New macro.
2389 (frvbf_cut): New function.
2390 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2391
23921999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2393
2394 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2395 add default for unhandled registers.
2396 (frvbf_store_register): Add ability to set LR register.
2397
23981999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2399
2400 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2401 (decode_gdb_dr_regnum): Remove, not used.
2402
24031999-07-13 Michael Meissner <meissner@cygnus.com>
2404
2405 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2406
2407 * configure.in (--enable-sim-trapdump): New switch to make unknown
2408 traps dump the register contents, instead of doing the trap thing.
2409 * configure: Regenerate.
2410
2411 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2412 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2413 temporarily.
2414
2415 * traps.h (toplevel): Include bfd.h, libiberity.h.
2416 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2417 dumping the registers.
2418
2419Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2420
2421 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2422
2423Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2424
2425 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2426
2427Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2428
2429 * frv.c (frvbf_square_root_SF): Removed.
2430 (frvbf_square_root_DF): Removed.
2431 (frvbf_h_fr_double_get_handler): Removed.
2432 (frvbf_h_fr_double_set_handler): Removed.
2433 (frvbf_h_fr_int_get_handler): Removed.
2434 (frvbf_h_fr_int_set_handler): Removed.
2435 * frv-sim.h (frvbf_square_root_SF): Removed.
2436 (frvbf_square_root_DF): Removed.
2437 (frvbf_h_fr_double_get_handler): Removed.
2438 (frvbf_h_fr_double_set_handler): Removed.
2439 (frvbf_h_fr_int_get_handler): Removed.
2440 (frvbf_h_fr_int_set_handler): Removed.
2441 * decode.c,decode.h,model.c,sem.c: Rebuild.
2442
24431999-07-05 Doug Evans <devans@casey.cygnus.com>
2444
2445 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2446 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2447 * sim-if.c (sim_open): Initialize fpu.
2448 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2449 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2450 with frvbf_h_fr_get.
2451
2452Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2453
2454 * frv-sim.h (NESR_RANGE): New macro.
2455 (NO_NESR): New macro.
2456 (GET_NESR_VALID): New macro.
2457 (next_ne_index): Removed.
2458 * traps.c (next_available_nesr): New function.
2459 (next_valid_nesr): New function.
2460 (frvbf_check_non_excepting_load): Use next_available_nesr.
2461 (frvbf_check_recovering_store): Use next_available_nesr and
2462 next_valid_nesr.
2463 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2464 (frvbf_check_recovering_store): Only consider one matching register.
2465 * sem.c: Rebuild.
2466
2467Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2468
2469 * frv.c (frvbf_square_root_SF): New function.
2470 (frvbf_square_root_DF): New function.
2471 (frvbf_h_fr_double_get_handler): New function.
2472 (frvbf_h_fr_double_set_handler): New function.
2473 * frv-sim.h (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 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2478
24791999-06-28 Dave Brolley <brolley@cygnus.com>
2480
2481 * decode.c,decode.h,model.c,sem.c: Regenerate.
2482
2483Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2484
2485 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2486 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2487 (frvbf_h_fr_int_set_handler): New function.
2488 (frvbf_store_multiple_FRint): New function.
2489 (frvbf_square_root_SF): New function.
2490 * frv.c (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 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2495
24961999-06-23 Doug Evans <devans@casey.cygnus.com>
2497
2498 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2499 to genmloop.sh. Pass -scache instead.
2500 (mloop.o): Delete sem-switch.c dependency.
2501 (sem-switch.c): Delete rule.
2502 (stamp-cpu): Don't build sem-switch.c.
2503 * sem-switch.c: Delete.
2504 * mloop.in (xfull-exec-*): Fix call to execute.
2505 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2506
2507 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2508
2509Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2510
2511 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2512
2513Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2514
2515 * mloop.in (execute): Force gr0 to zero before each insn.
2516 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2517
25181999-06-18 Doug Evans <devans@casey.cygnus.com>
2519
2520 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2521
2522Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2523
2524 * frv.c (frvbf_h_gr_get_handler): New function.
2525 (frvbf_h_gr_set_handler): New function:
2526 (frvbf_store-multiple_GR): New function:
2527 (frvbf_store-multiple_FR): New function:
2528 (frvbf_store-multiple_CPR): New function:
2529 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2530 (frvbf_h_gr_set_handler): New function:
2531 (frvbf_store-multiple_GR): New function:
2532 (frvbf_store-multiple_FR): New function:
2533 (frvbf_store-multiple_CPR): New function:
2534 * traps.c (frv_itrap): Implement proper syscalls interface.
2535 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2536
2537Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2538
2539 * traps.c (frvbf_check_non_excepting_divide): New function.
2540 (frvbf_check_recovering_store): New function.
2541 (clear_nesr_neear): New function.
2542 (clear_ne_flags): New function.
2543 (frvbf_commit): New function.
2544
2545 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2546 (frvbf_check_recovering_store): New function.
2547 (clear_nesr_neear): New function.
2548 (clear_ne_flags): New function.
2549 (frvbf_commit): New function.
2550 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2551
25521999-06-16 Dave Brolley <brolley@cygnus.com>
2553
2554 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2555 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2556 * traps.c (next_ne_index): New variable.
2557 (frvbf_check_non_excepting_load): New function.
2558 * frv-sim.h (NECR_ELOS): New macro.
2559 (NECR_NEN): New macro.
2560 (NECR_VALID): New macro.
2561 (SET_NESR_VALID): New macro.
2562 (SET_NESR_EAV): New macro.
2563 (SET_NESR_FR): New macro.
2564 (CLEAR_NESR_FR): New macro.
2565 (SET_NESR_DRN): New macro.
2566 (SET_NESR_SIZE): New macro.
2567 (SET_NESR_NEAN): New macro.
2568 (SET_NEEAR): New macro.
2569 (GET_NE_FLAG): New macro.
2570 (SET_NE_FLAG): New macro.
2571 (CLEAR_NE_FLAG): New macro.
2572 (frvbf_check_non_excepting_load): New function:
2573 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2574
2575Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2576
2577 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2578
2579Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2580
2581 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2582 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2583
2584Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2585
2586 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2587
25881999-06-07 Dave Brolley <brolley@cygnus.com>
2589
2590 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2591
2592Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2593
2594 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2595
2596Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2597
2598 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2599
2600Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2601
2602 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2603
2604Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2605
2606 * traps.c (frv_software_interrupt): Pass current_cpu to
2607 frvbf_h_psr_esr_get.
2608 (frv_software_interrupt): Calculate the new PC based on TBR.
2609 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2610
26111999-05-31 Dave Brolley <brolley@cygnus.com>
2612
2613 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2614
2615Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2616
2617 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2618 (frvbf_h_cccr_set_handler): New function.
2619 (frvbf_scan_result): New function.
2620 (frvbf_cr_logic): New function.
2621 * frv.c (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 (cr_ops,cr_result,cr_logic): New table.
2626 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2627
26281999-05-25 Dave Brolley <brolley@cygnus.com>
2629
2630 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2631 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2632 (frv_psr_get_handler): New function.
2633 (frv_psr_set_handler): New function.
2634 (frv_tbr_get_handler): New function.
2635 (frv_tbr_set_handler): New function.
2636 (frvbf_h_ccr_get_handler): Add support for fCC.
2637 (frvbf_h_ccr_set_handler): Add support for fCC.
2638 * frv-sim.h (frv_psr_get_handler): New function.
2639 (frv_psr_set_handler): New function.
2640 (frv_tbr_get_handler): New function.
2641 (frv_tbr_set_handler): New function.
2642 * traps.c (frv_software_interrupt): Implement.
2643 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2644
2645Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2646
2647 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2648
26491999-05-18 Dave Brolley <brolley@cygnus.com>
2650
2651 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2652 (frvbf_set_icc_for_shift_right): New function.
2653 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2654 (frvbf_set_icc_for_shift_right): New function.
2655 (SETMEMSF): New Macro.
2656 (SETMEMDF): New Macro.
2657 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2658
2659Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2660
2661 * frv.c (frvbf_h_ccr_get_handler): New function.
2662 (frvbf_h_ccr_set_handler): New function.
2663 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2664
2665Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2666
2667 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2668 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2669 * frv.c: Likewise.
2670 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2671
26721999-05-10 Dave Brolley <brolley@cygnus.com>
2673
2674 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2675
2676Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2677
2678 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2679 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2680
2681Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2682
2683 * traps.c (frv_software_interrupt): New function.
2684 (frv_itrap): New function.
2685 * frv-sim.h (TRAP_SYSCALL): define as 0.
2686 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2687
2688Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2689
2690 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2691
2692Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2693
2694 * Directory created.
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