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[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
1517bd27
MF		 12013-03-26 Mike Frysinger <vapier@gentoo.org>
2
3 * configure: Regenerate.
4
94c63d78
JS		 52013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>
6
7 * configure.ac: Fail if dv-sockser.o not available.
8 Error when --disable-sim-hardware is specified.
9 * configure: Regenerated.
10
5f3ef9d0
JB		 112012-06-15 Joel Brobecker <brobecker@adacore.com>
12
13 * config.in, configure: Regenerate.
14
2232061b
MF		 152012-03-24 Mike Frysinger <vapier@gentoo.org>
16
17 * aclocal.m4, config.in, configure: Regenerate.
18
db2e4d67
MF		 192011-12-03 Mike Frysinger <vapier@gentoo.org>
20
21 * aclocal.m4: New file.
22 * configure: Regenerate.
23
9c082ca8
MF		 242011-10-17 Mike Frysinger <vapier@gentoo.org>
25
26 * configure.ac: Change include to common/acinclude.m4.
27
6ffe910a
MF		 282011-10-17 Mike Frysinger <vapier@gentoo.org>
29
30 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
31 call. Replace common.m4 include with SIM_AC_COMMON.
32 * configure: Regenerate.
33
2419798b
MF		 342011-07-05 Mike Frysinger <vapier@gentoo.org>
35
36 * sim-if.c (sim_do_command): Delete.
37
f9bdfd29
MF		 382010-04-21 Mike Frysinger <vapier@gentoo.org>
39
40 * profile.c (sim_profile_print_bar): Add cpu argument.
41
fb0cc53e
MF		 422010-03-30 Mike Frysinger <vapier@gentoo.org>
43
44 * devices.c (device_error): Add const to message.
45
c5351010
DE		 462010-02-12 Doug Evans <dje@sebabeach.org>
47
48 * decode.c, * decode.h: Regenerate.
49
2310652a
DE		 502010-02-11 Doug Evans <dje@sebabeach.org>
51
52 * cpu.h, * decode.c, * model.c, * sem.c: Regenerate.
53
d2c7a1a6
DE		 542010-01-24 Doug Evans <dje@sebabeach.org>
55
56 * sem.c: Regenerate.
57
3725885a
RW		 582010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
59
60 * configure: Regenerate.
61
0f51e9bf
DE		 622010-01-02 Doug Evans <dje@sebabeach.org>
63
64 * arch.c, * arch.h, * cpu.c, * cpu.h, * cpuall.h, * decode.c,
65 * decode.h, * model.c, * sem.c: Regenerate, update copyright year.
66
197fa1aa
DE		 672009-11-22 Doug Evans <dje@sebabeach.org>
68
69 * cpu.h: Regenerate.
70 * cpuall.h: Regenerate.
71 * decode.c: Regenerate.
72 * decode.h: Regenerate.
73
b29791a8
DE		 742009-11-03 Doug Evans <dje@sebabeach.org>
75
76 * arch.c: Regenerate.
77 * arch.h: Regenerate.
78 * cpu.c: Regenerate.
79 * cpu.h: Regenerate.
80 * cpuall.h: Regenerate.
81 * decode.c: Regenerate.
82 * decode.h: Regenerate.
83 * model.c: Regenerate.
84 * sem.c: Regenerate.
85
d6416cdc
RW		 862009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
87
81ecdfbb
RW		 88 * config.in: Regenerate.
89 * configure: Likewise.
90
d6416cdc
RW		 91 * configure: Regenerate.
92
7b1a2840
HPN		 932009-01-07 Hans-Peter Nilsson <hp@axis.com>
94
95 * sem.c: Regenerate.
96
bce3bbcb
HPN		 972008-12-23 Hans-Peter Nilsson <hp@axis.com>
98
99 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
100 model.c, sem.c: Regenerate.
101
b5bd9624
HPN		 1022008-07-11 Hans-Peter Nilsson <hp@axis.com>
103
104 * configure: Regenerate to track ../common/common.m4 changes.
105 * config.in: Ditto.
106
6efef468
JM		 1072008-06-06 Vladimir Prus <vladimir@codesourcery.com>
108 Daniel Jacobowitz <dan@codesourcery.com>
109 Joseph Myers <joseph@codesourcery.com>
110
111 * configure: Regenerate.
112
b1bfc053
HPN		 1132006-12-21 Hans-Peter Nilsson <hp@axis.com>
114
115 * config.in: Regenerate.
116
e85e3205
RE		 1172006-06-13 Richard Earnshaw <rearnsha@arm.com>
118
119 * configure: Regenerated.
120
2f0122dc
DJ		 1212006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
122
123 * configure: Regenerated.
124
20e95c23
DJ		 1252006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
126
127 * configure: Regenerated.
128
79e59fe6
DB		 1292005-10-28 Dave Brolley <brolley@redhat.com>
130
131 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
132
133 Contribute the following changes:
134 2003-09-29 Dave Brolley <brolley@redhat.com>
135
136 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
137 CGEN_ATTR_VALUE_TYPE.
138 * mloop.in: Ditto.
139 * pipeline.c: Ditto.
140 * traps.c: Ditto.
141
2b193c4a
MK		 1422005-03-23 Mark Kettenis <kettenis@gnu.org>
143
144 * configure: Regenerate.
145
35695fd6
AC		 1462005-01-14 Andrew Cagney <cagney@gnu.org>
147
148 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
149 explicit call to AC_CONFIG_HEADER.
150 * configure: Regenerate.
151
f0569246
AC		 1522005-01-12 Andrew Cagney <cagney@gnu.org>
153
154 * configure.ac: Update to use ../common/common.m4.
155 * configure: Re-generate.
156
38f48d72
AC		 1572005-01-11 Andrew Cagney <cagney@localhost.localdomain>
158
159 * configure: Regenerated to track ../common/aclocal.m4 changes.
160
b7026657
AC		 1612005-01-07 Andrew Cagney <cagney@gnu.org>
162
163 * configure.ac: Rename configure.in, require autoconf 2.59.
164 * configure: Re-generate.
165
379832de
HPN		 1662004-12-08 Hans-Peter Nilsson <hp@axis.com>
167
168 * configure: Regenerate for ../common/aclocal.m4 update.
169
45aa12b4
RS		 1702004-08-27 Richard Sandiford <rsandifo@redhat.com>
171
172 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
173 * cpuall.h, model.c, sem.c: Regenerated.
174
676a64f4
RS		 1752004-03-01 Richard Sandiford <rsandifo@redhat.com>
176
177 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
178 (profile-fr450.o): New dependency.
179 (stamp-cpu): Add fr450 to the list of machs.
180 * sim-frv.h (SPR_IS_ACC): New macro.
181 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
182 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
183 * frv.c (check_register_alignment, check_fr_register_alignment)
184 (check_memory_alignment, do_media_average): Likewise.
185 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
186 rather than a consecutive range.
187 * interrupts.c (frv_queue_illegal_instruction_interrupt)
188 (frv_queue_non_implemented_instruction_interrupt): Handle
189 bfd_mach_fr450.
190 * memory.c (check_data_read_address, check_readwrite_address)
191 (check_insn_read_address, check_write_address): Likewise.
192 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
193 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
194 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
195 * profile-fr450.c: New file.
196 * registers.c (fr450_spr): New array.
197 (frv_register_control_init): Check its size. Use it for fr450.
198 (frv_check_register_access): Handle bfd_mach_fr450.
199 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
200 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
201 (frvbf_media_acc_not_aligned): Likewise.
202 (frvbf_media_register_not_aligned): Likewise.
203 * arch.c: Regenerate.
204 * arch.h: Regenerate.
205 * cpu.h: Regenerate.
206 * cpuall.h: Regenerate.
207 * decode.h: Regenerate.
208 * model.c: Regenerate.
209
c7a48b9a
RS		 2102004-03-01 Richard Sandiford <rsandifo@redhat.com>
211
212 * cache.c (frv_cache_init): Change fr400 cache statistics to match
213 the fr405.
214 (non_cache_access): Add missing breaks.
215 * interrupts.c (set_exception_status_registers): Always set EAR15
216 for data_access_errors.
217 * memory.c (fr400_check_write_address): Remove redundant alignment
218 check.
219 * model.c: Regenerate.
220
8b73069f
RS		 2212004-03-01 Richard Sandiford <rsandifo@redhat.com>
222
223 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
224
8ae0baa2
RS		 2252004-03-01 Richard Sandiford <rsandifo@redhat.com>
226
227 * decode.c, decode.h, model.c, sem.c: Regenerate.
228
d74c4203
KB		 2292003-11-24 Kevin Buettner <kevinb@redhat.com>
230
231 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
232 (SPR_REGNUM_MAX): Delete.
233 * frv.c (gdb/sim-frv.h): Include.
234 (frvbf_fetch_register, frvbf_store_register): Use register number
235 constants from gdb/sim-frv.h. Check availability of general
236 purpose and float registers.
237
0b01870b
DB		 2382003-11-03 Dave Brolley <brolley@redhat.com>
239
240 * cache.c (address_interference): Check for higher priority requests
241 in the same pipeline.
242
9a29f3ca
DB		 2432003-10-31 Dave Brolley <brolley@redhat.com>
244
162cec1b 245 * frv-sim.h (LR_REGNUM): Removed.
073926e5 246 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 247 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 248 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 249 Return 0 for an unimplemented register. Return the length of the data
250 for an implemented register.
251 (frvbf_store_register): Ditto.
252
fc0a2244
AC		 2532003-10-30 Andrew Cagney <cagney@redhat.com>
254
255 * traps.c: Replace "struct symbol_cache_entry" with "struct
256 bfd_symbol".
257
29a79ca0
DB		 2582003-10-10 Dave Brolley <brolley@redhat.com>
259
260 * cpu.h, sem.c: Regenerate.
261
e930b1f5
DB		 2622003-10-06 Dave Brolley <brolley@redhat.com>
263
264 * profile-fr550.[ch]: New files.
265 * configure.in: Move frv handling to alphabetically correct placement.
266 * Makefile.in: Add fr550 support.
267 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
268 profile.[ch],registers.c,traps.c: Add fr550 support.
269 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
270 Regenerate.
271
22f367a7
DB		 2722003-09-25 Dave Brolley <brolley@redhat.com>
273
274 * reset.c (frv_initialize): Call frv_register_control_init first.
275
1c453cd6
DB		 2762003-09-24 Dave Brolley <brolley@redhat.com>
277
278 * profile.h (update_FR_ptime): New prototype.
279 (update_FRdouble_ptime): Ditto.
280 (update_SPR_ptime): Ditto.
281 (increase_ACC_busy): Ditto.
282 (enforce_full_acc_latency): Ditto.
283 (post_wait_for_SPR): Ditto.
284 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
285 (update_FRdouble_ptime): Ditto.
286 (update_SPR_ptime): New function.
287 (increase_ACC_busy): Ditto.
288 (enforce_full_acc_latency): Ditto.
289 (vliw_wait_for_fdiv_resource): Correct resource name.
290 (vliw_wait_for_fsqrt_resource): Ditto.
291 (post_wait_for_SPR): New function.
292 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
293 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
294 adjust_float_register_busy.
295 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
296 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
297 registers.
298 (frvbf_model_fr500_u_float_arith): Ditto.
299 (frvbf_model_fr500_u_float_dual_arith): Ditto.
300 (frvbf_model_fr500_u_float_div): Ditto.
301 (frvbf_model_fr500_u_float_sqrt): Ditto.
302 (frvbf_model_fr500_u_float_convert): Ditto.
303 (update_FR_ptime): Moved to profile.c
304 (update_FRdouble_ptime): Moved to profile.c
305 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
306 for other machines.
307 (update_FRdouble_ptime): Ditto.
308 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
309
153431d6
DB		 3102003-09-12 Dave Brolley <brolley@redhat.com>
311
312 * registers.c (frv_check_spr_read_access): Check for access to
313 ACC4-ACC63 and ACCG4-ACCG63.
314 * profile.h (frv-desc.h): #include it.
315 (spr_busy): New member of FRV_PROFILE_STATE.
316 (spr_latency): Ditto.
317 (GNER_FOR_GR): New macro.
318 (FNER_FOR_FR): New maccro.
319 (update_SPR_latency): New function.
320 (vliw_wait_for_SPR): New function.
93938d47 321 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 322 (update_target_latencies): Ditto.
323 (update_SPR_latency): New function.
324 (vliw_wait_for_SPR): New function.
325 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
326 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
327 (frvbf_model_fr500_u_check): Ditto.
328 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
329 (frvbf_model_fr500_u_clrfr): Ditto.
330 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
331 (frvbf_model_fr500_u_gr2spr): Ditto.
332 * frv-sim.h (H_SPR_ACC4): New macro.
333 (H_SPR_ACCG4): New macro;
334 (H_SPR_ACC0): Removed.
335 (H_SPR_ACCG0): Removed.
336 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
337
ba9c4053
DB		 3382003-09-10 Dave Brolley <brolley@redhat.com>
339
340 * profile.c (slot_names): FM1 was listed twice. Changed first
341 instance to FM0. Added IALL, FMALL and FMLOW.
342 (print_parallel): Don't examine slots with no insns.
343
f9e18f5a
DB		 3442003-09-09 Dave Brolley <brolley@redhat.com>
345
346 * frv.c (do_media_average): Select machine using a switch.
347
d89a78b6
DB		 3482003-09-08 Dave Brolley <brolley@redhat.com>
349
350 On behalf of Doug Evans <dje@sebabeach.org>
351 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
352 Remove copying of .cpu file to cgen/cpu, no longer needed.
353
d03ea14f
DB		 3542003-09-03 Dave Brolley <brolley@redhat.com>
355
356 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
357
e8d2f504
DB		 3582003-08-29 Dave Brolley <brolley@redhat.com>
359
360 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
361 temporarily when regenerating files.
362 (stamp-cpu): Ditto.
363
b34f6357
DB		 3642003-08-20 Micheal Snyder <msnyder@redhat.com>
365
366 * All generated files: Regenerate.
367
3682001-10-11 Dave Brolley <brolley@redhat.com>
369
370 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
371
3722001-10-09 Dave Brolley <brolley@redhat.com>
373
374 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
375 not set.
376 * reset.c (frv_hardware_reset): Invalidate both caches.
377 * registers.c: Update init, reset and read-only masks for all registers
378 on all machines.
379 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
380 (prev_gr_complex): New field of FRV_PROFILE_STATE
381 (set_use_is_gr_complex): New function.
382 (set_use_not_gr_complex): New function.
383 (use_is_gr_complex): New function.
384 (decrease_GR_busy): New function.
385 * profile.c (reset_gr_flags): New function.
386 (reset_cc_flags): New function.
387 (set_use_is_gr_complex): New function.
388 (set_use_not_gr_complex): New function.
389 (use_is_gr_complex): New function.
390 (update_latencies): Reset gr and cc flags when latency reaches 0.
391 (decrease_GR_busy): New function.
392 * profile-fr400.h (fr500_reset_acc_flags): Removed.
393 (fr500_reset_cc_flags): New function.
394 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
395 LSI version 1.41.
396 * profile-fr400.h (fr400_reset_gr_flags): New function.
397 (fr400_reset_fr_flags): New function.
398 (fr400_reset_acc_flags): New function.
399 * profile-fr400.c (set_use_not_media_p4): New function.
400 (set_use_not_media_p6): New function.
401 (set_acc_use_not_media_p2): New function.
402 (set_acc_use_not_media_p4): New function.
403 (fr400_reset_gr_flags): New function.
404 (fr400_reset_fr_flags): New function.
405 (fr400_reset_acc_flags): New function.
406 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
407 (frvbf_model_fr400_u_media_hilo): New function.
408 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
409 * memory.c (fr400_check_data_read_address): Check address range only
410 for double word loads. Don't check alignment here.
411 (fr400_check_readwrite_address): New function.
412 (fr500_check_readwrite_address): New function.
413 (check_readwrite_address): New function.
414 (fr500_check_insn_read_address): Correct address ranges.
415 (frvbf_read_mem_*): Check address range here.
416 (frv_address_forbidden): Removed.
417 (fr400_check_write_address): New function.
418 (check_write_address): New function.
419 (frvbf_write_mem_*): Don't check address range here.
420 (frvbf_mem_set_*): Check address range here.
421 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
422 address as second argument.
423 (frv_queue_data_access_exception_interrupt): New function.
424 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
425 media insns on fr400.
426 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
427 for media insns on fr400.
428 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
429 of insns here. Check for MTRAP insn if PSR.EM is not set.
430 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
431 set.
432 (set_exception_status_registers): Do not always set EPCR. Set EAR for
433 data_acess_error only if not fr400.
434 * frv.c (do_media_average): New function.
435 (frvbf_media_average): New function.
436 (frvbf_insn_cache_invalidate): Check for illegal invocation.
437 (frvbf_data_cache_invalidate): Ditto.
438 (frvbf_data_cache_flush): Ditto.
439 * frv-sim.h (GET_FSR_QNE): New macro.
440 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
441 (GET_MSR_SRDAV): New macro.
442 (GET_MSR_RDAV): New macro.
443 (GET_MSR_RD): New macro.
444 (frv_queue_data_access_error_interrupt): Now takes an address as second
445 argument.
446 (frv_address_forbidden): Removed.
447 * cache.c (non_cache_access): Correct address ranges. Now takes cache
448 as first argument.
449 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
450
4512001-08-20 Dave Brolley <brolley@redhat.com>
452
453 * sim-main.h (_sim_cpu): New field 'elf_flags'.
454 * sim-if.c (sim_open): Extract the elf_flags from the input file and
455 save them with each cpu.
456 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
457 last_insn_p before executing the insn.
458 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
459 insn cache.
460 (frv_cache_invalidate_all): Ditto.
461
4622001-08-20 Richard Sandiford <rsandifo@redhat.com>
463
464 * traps.c (syscall_read_mem): Flush the data cache before reading.
465 (syscall_write_mem): Flush the data cache before writing.
466 Invalidate both caches.
467
4682001-07-05 Ben Elliston <bje@redhat.com>
469
470 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
471 (stamp-cpu): Likewise.
472
4732001-05-23 Dave Brolley <brolley@redhat.com>
474
475 * profile-fr400.c (acc_use_is_media_p2): New function.
476 (frvbf_model_fr400_u_media_2): Account for latency of output
477 accumulators.
478 (frvbf_model_fr400_u_media_2_quad): Ditto.
479 (frvbf_model_fr400_u_media_2_acc): New function.
480 (frvbf_model_fr400_u_media_2_acc_dual): New function.
481 (frvbf_model_fr400_u_media_2_add_sub): New function.
482 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
483 (frvbf_model_fr400_u_media_3_dual): New function.
484 (frvbf_model_fr400_u_media_4_acc_dual): New function.
485 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
486
4872001-05-15 Dave Brolley <brolley@redhat.com>
488
489 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
490 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
491 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
492 (request_cache_flush): Save 'all' argument.
493 (request_cache_invalidate): Save all_cache_entries from profile state
494 to 'all' field of the request.
495 (submit_cache_request): Pass the 'all' field of the request to
496 frv_cache_request_invalidate.
497 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
498 operation even if HSR0.ICE is not set.
499 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
500 operation even if HSR0.DCE is not set.
501 (frv_data_cache_flush): Ditto.
502 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
503 (frv_data_cache_invalidate): Add new 'all' parameter.
504 (frv_data_cache_flush): Add new 'all' parameter.
505 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
506 (frv_cache_request_invalidate): Add new 'all' parameter.
507 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
508 its value in the invalidate request.
509 (address_interference): Accept the value '-1' for the address argument
510 to mean 'any address'.
511 (handle_req_invalidate): Handle request to invalidate all cache lines.
512 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
513
5142001-05-14 Dave Brolley <brolley@redhat.com>
515
516 * profile.h (past_first_p): New field of profiling state.
517 (branch_penalty): Ditto.
518 (branch_hint): Ditto.
519 (update_branch_penalty): New function.
520 * profile.c (frvbf_model_insn_after): Reset past_first_p and
521 branch_address fields of the profiling state.
522 (frvbf_model_branch): New function.
523 (update_branch_penalty): New function.
524 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
525 FCCi_3 inputs.
526 (frvbf_model_fr500_u_trap): New function.
527 (frvbf_model_fr500_u_check): New function.
528 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
529 cycles.
530 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
531 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
532 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
533 documented in teh fr400 LSI.
534 (frvbf_model_fr400_u_media_dual_htob): Ditto.
535 (frvbf_model_fr400_u_media_dual_unpack): Removed.
536 (frvbf_model_fr500_u_trap): New function.
537 (frvbf_model_fr500_u_check): New function.
538 * mloop.in (simulate_dual_insn_prefetch): New function.
539 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
540 arguments for each machine type.
541 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
542
5432001-05-09 Dave Brolley <brolley@redhat.com>
544
545 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
546 (profile-fr400.o): New target.
547 * profile.c: New file.
548 * profile.h: New file.
549 * profile-fr400.c: New file.
550 * profile-fr400.h: New file.
551 * profile-fr500.c: New file.
552 * profile-fr500.h: New file.
553 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
554
5552001-05-02 Dave Brolley <brolley@redhat.com>
556
557 * sim-main.h (profile.h): #include it.
558 (CPU_PROFILE_STATE): New macro.
559 (profile_state): New frv specific cpu field.
560 * reset.c (frv_initialize): insn_fetch_address and branch_address now
561 part of global profiling state.
562 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
563 (SIM_EXTRA_DEPS): Add profile.h.
564 (registers.o): Correct name of source file.
565 (profile.o): New target.
566 (profile-fr500.o): New target.
567 * frv-sim.h: Move profile related data structures to profile.h.
568 * frv.c: Move fr500 specific functions to profile-fr500.c.
569 * cpu.h: Regenerated.
570
5712001-04-27 Dave Brolley <brolley@redhat.com>
572
573 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
574 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
575 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
576 Rename PIPE_* to UNIT_*.
577 (frv_queue_illegal_instruction_interrupt): Use
578 frv_is_float_insn and frv_is_media_insn.
579 (frv_queue_non_implemented_instruction_interrupt): Ditto.
580 (frv_detect_insn_access_interrupts): Ditto.
581 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
582 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
583 * memory.c: Ditto.
584 * pipeline.c: Ditto.
585 * mloop.in: Ditto.
586 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
587 * cache.c: Rename PIPE_* to UNIT_*.
588
5892001-04-24 Dave Brolley <brolley@redhat.com>
590
591 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
592 (frvbf_load_quad_FRint): Ditto.
593 (frvbf_load_quad_CPR): Ditto.
594 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
595 machines.
596 (bfd.h): #include it.
597 (non_cache_access): Update for revised fr500 and for fr400.
598 * registers.c (frv_spr): Don't reset PSR.PS.
599 (fr500_spr): Ditto.
600 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
601
6022001-04-23 Dave Brolley <brolley@redhat.com>
603
604 * traps.c (frv_core_signal): On fr400, generate data_access_error.
605 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
606 (frvbf_media_acc_not_aligned): Ditto.
607 (frvbf_media_register_not_aligned): Ditto.
608 (frvbf_division_exception): Use GET_ISR_EDE.
609 * registers.c (frv_check_spr_read_access): New function.
610 (frv_check_spr_write_access): New function.
611 (frv_check_spr_access): Deleted.
612 (frv_check_register_access): On fr400, generate illegal_instruction.
613 * memory.c (fr400_check_data_read_address): New function.
614 (fr500_check_data_read_address): Ditto.
615 (check_data_read_address): Ditto.
616 (fr400_check_insn_read_address): Ditto.
617 (fr500_check_insn_read_address): Ditto.
618 (check_insn_read_address): Ditto.
619 (frvbf_read_mem_QI): Call check_data_read_access.
620 (frvbf_read_mem_UQI): Ditto.
621 (frvbf_read_mem_HI): Ditto.
622 (frvbf_read_mem_UHI): Ditto.
623 (frvbf_read_mem_SI): Ditto.
624 (frvbf_read_mem_DI): Ditto.
625 (frvbf_read_mem_DF): Ditto.
626 (frvbf_read_imem_USI): Call check_insn_read_access.
627 (frv_address_forbidden): Now takes cpu as first argument. Check based
628 on machine type.
629 (fr400_mem_address_unaligned): New function.
630 (fr500_mem_address_unaligned): Ditto.
631 (check_write_address): Ditto.
632 (frvbf_mem_set_QI): Call check_write_address.
633 (frvbf_mem_set_HI): Ditto.
634 (frvbf_mem_set_SI): Ditto.
635 (frvbf_mem_set_DI): Ditto.
636 (frvbf_mem_set_DF): Ditto.
637 (frvbf_mem_set_XI): Ditto.
638 * interrupts.c (bfd.h): #include it.
639 (frv_queue_data_access_error_interrupt): New function.
640 (frv_queue_instruction_access_error_interrupt): New function.
641 (frv_queue_instruction_access_exception_interrupt): New function.
642 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
643 (frv_queue_non_implemented_instruction_interrupt): Ditto.
644 (frv_detect_insn_access_interrupts): Reorder tests to match priority
645 from the LSI manual.
646 (set_isr_exception_fields): Accumulate dtt bits.
647 * frv.c (check_register_alignment): New function.
648 (check_fr_register_alignment): New function.
649 (check_memory_alignment): New function.
650 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
651 (frvbf_h_gr_double_set_handler): Ditto.
652 (frvbf_h_cpr_double_get_handler): Ditto.
653 (frvbf_h_cpr_double_set_handler): Ditto.
654 (frvbf_h_gr_quad_set_handler): Ditto.
655 (frvbf_h_cpr_quad_set_handler): Ditto.
656 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
657 (frvbf_h_fr_double_set_handler): Ditto.
658 (frvbf_h_fr_quad_set_handler): Ditto.
659 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
660 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
661 (frvbf_load_quad_GR): Call check_memory_aligment.
662 (frvbf_load_quad_FRint): Ditto.
663 (frvbf_load_quad_CPR): Ditto.
664 (frvbf_store_quad_GR): Call check_memory_aligment and
665 check_register_alignment.
666 (frvbf_store_quad_FRint): Ditto.
667 (frvbf_store_quad_CPR): Ditto.
668 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
669 * frv-sim.h (H_SPR_ACC0): New macro.
670 (H_SPR_ACC63): New macro.
671 (H_SPR_ACCG0): New macro.
672 (H_SPR_ACCG63): New macro.
673 (frv_dtt): New enumerator.
674 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
675 (GET_ISR_DTT): New macro.
676 (frv_queue_data_access_error_interrupt): New function.
677 (frv_queue_instruction_access_error_interrupt): New function.
678 (frv_queue_instruction_access_exception_interrupt): New function.
679 (frv_address_forbidden): Now takes cpu as first argument.
680 * cpu.h: Regenerate.
681
6822001-04-10 Dave Brolley <brolley@redhat.com>
683
684 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
685 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
686 (fr400_spr): Implement SPR registers for fr400.
687 (frv_register_control_init): Handle bfd_mach_fr400 properly.
688 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
689 (spr_psr_get_handler): Ditto.
690 (spr_ccr_get_handler): Ditto.
691 (spr_cccr_get_handler): Ditto.
692 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
693 * frv-sim.h: Update comment about MCCR_* macros.
694 * cpu.c,cpu.h: Regenerate.
695
6962001-04-05 Dave Brolley <brolley@redhat.com>
697
698 * cpu.h,decode.c,model.c,sem.c: Regenerate.
699
7002001-04-05 Dave Brolley <brolley@redhat.com>
701
702 * reset.c: Update copyright.
703 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
704 * frv.c (frvbf_model_fr400_u_exec): New function.
705 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
706 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
707 Regenerate.
708
7092000-11-22 Dave Brolley <brolley@redhat.com>
710
711 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
712 Regenerate.
713
7142000-11-10 Dave Brolley <brolley@redhat.com>
715
716 * decode.c: Regenerate.
717
7182000-09-12 Dave Brolley <brolley@redhat.com>
719
720 * traps.c (frv_sim_engine_halt_hook): New function.
721 (frv_itrap): Caches now invalidated in sim_engine_halt via
722 SIM_ENGINE_HALT_HOOK.
723 (frv_break): Ditto.
724 * sim-main.h (frv_sim_engine_halt_hook): New function.
725 (SIM_ENGINE_HALT_HOOK): New macro.
726 (SIM_ENGINE_RESTART_HOOK): New macro.
727 * interrupts.c: Call to frv_term now done within sim_engine_halt via
728 SIM_ENGINE_HALT_HOOK.
729
7302000-09-08 Dave Brolley <brolley@redhat.com>
731
732 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
733 respectively when stopping for a breakpoint.
734 (frv_break): Ditto.
735 * cache.h (frv_cache_invalidate_all): New function.
736 * cache.c (frv_cache_invalidate_all): New function.
737
7382000-09-05 Dave Brolley <brolley@redhat.com>
739
740 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
741 sim_handle_breakpoint. Otherwise if environment != operating call
742 sim_engine_halt. Otherwise handle normally.
743 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
744 breakpoints here. Moved to frv_break in traps.c.
745
746 * sem.c: Regenerate.
747
7482000-09-01 Dave Brolley <brolley@redhat.com>
749
750 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
751 before queuing an interrupt in order to allow 'break' to be used as
752 the breakpoint insn.
753
7542000-08-29 Dave Brolley <brolley@redhat.com>
755
756 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
757
7582000-07-27 Dave Brolley <brolley@redhat.com>
759
760 * cpu.h,decode.c: Rebuild.
761
7622000-07-26 Dave Brolley <brolley@redhat.com>
763
764 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
765 (spr_cccr_set_handler): Change CRx to CCx.
766 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
767
7682000-07-24 Dave Brolley <brolley@redhat.com>
769
770 * sem.c: Regenerate.
771 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
772 Don't write it directly.
773
774Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
775
776 * configure: Regenerated to track ../common/aclocal.m4 changes.
777
7782000-07-05 Ben Elliston <bje@redhat.com>
779
780 * configure: Regenerated to track ../common/aclocal.m4 changes.
781
7822000-06-28 Dave Brolley <brolley@redhat.com>
783
784 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
785
7862000-06-21 Dave Brolley <brolley@redhat.com>
787
788 * pipeline.c: All code except frv_pipeline_setup_insn moved to
789 frv.opc.
790 * mloop.in (main loop): frv_pipeline_add_insn broken up into
791 frv_pipeline_add_insn and frv_pipeline_setup_insn.
792 * frv-sim.h: Move pipeline status code to frv.opc.
793 * model.c: Regenerate.
794
7952000-06-12 Dave Brolley <brolley@redhat.com>
796
797 * options.c (frv_option_handler): --profile-parallel implies
798 --profile-model.
799 * mloop.in (fetch_buffer): Removed.
800 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
801 run_caches. Use cache directly if not counting cycles. Don't use
802 cache at all if not counting cycles and cache not enabled.
803 * frv.c (frv_insn_fetch_buffer): New global variable.
804 (run_caches): Monitor the status of insn prefetch requests.
805 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
806 (frv_insn_fetch_buffer): New global variable.
807
8082000-06-12 Dave Brolley <brolley@redhat.com>
809
810 * mloop.in (fetch_buffer): New static struct.
811 (@cpu@_simulate_insn_prefetch): Rewritten.
812 * cache.c (frv_cache_request_invalidate): Don't invalidate return
813 buffer.
814 (address_interference): Defer to any WAR request in either pipeline.
815
8162000-06-09 Dave Brolley <brolley@redhat.com>
817
818 * pipeline.c (insns_in_slot): New Array.
819 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
820 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
821 option.
822 (parse_cache_option): New function.
823 (frv_option_handler): Call parse_cache_option.
824 * frv.c (vliw_branch_taken): New variable.
825 (vliw_load_stall): New variable.
826 (handle_resource_wait): Update vliw_load_stall.
827 (frvbf_model_insn_before): Initialize vliw_branch_taken and
828 vliw_load_stall.
829 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
830 (load_wait_for_FR): Update vliw_load_stall.
831 (load_wait_for_GR): Update vliw_load_stall.
832 (load_wait_for_FRdouble): Update vliw_load_stall.
833 (load_wait_for_GRdouble): Update vliw_load_stall.
834 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
835 (slot_names): New static array.
836 (print_parallel): Now takes second argument 'verbose'. Print cycles per
837 VLIW insn and instructions per cycle. Also tabulate the number of insns
838 in each type of VLIW slot.
839 (frv_profile_info): Call print_parallel with new second argument.
840 * frv-sim.h (insn_in_slot): New array.
841 (COUNT_INSNS_IN_SLOT): New macro.
842 (INSNS_IN_SLOT): New macro.
843 * cache.c: Remove references to non_blocking_count. Remove references to
844 last_was_hit. Remove references to req_none.
845 (handle_req_store): Adjust statistics before requeuing the store
846 request.
847 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
848 * cache.h: Remove references to non_blocking_count. Remove references to
849 last_was_hit. Remove references to req_none.
850 * model.c: Regenerate.
851
8522000-06-08 Dave Brolley <brolley@redhat.com>
853
854 * frv.c (request_complete): Copy load data from the correct return
855 buffer.
856
8572000-06-07 Dave Brolley <brolley@redhat.com>
858
859 * traps.c (frv_core_signal): Call frv_term before exiting.
860 (frv_itrap): Call frv_term before exiting.
861 (next_available_nesr): Make sure NECR is implemented before reading it.
862 (next_valid_nesr): Ditto.
863 (frvbf_check_non_excepting_load): Ditto.
864 (frvbf_clear_ne_flags): Ditto.
865 (frvbf_commit): Ditto.
866 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
867 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
868 store_flag members.
869 (CPU_LOAD_ADDRESS): New macro.
870 (CPU_LOAD_LENGTH): New macro.
871 (CPU_LOAD_SIGNED): New macro.
872 (CPU_LOAD_LOCK): New macro.
873 * reset.c (frv_term): New function.
874 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
875 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
876 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
877 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
878 the insn. Model the insn in two passes. One before and one after
879 execution.
880 (cache_reqno): new static variable.
881 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
882 cache rather than assuming a fixed latency.
883 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
884 enabled so that modeling data is collected by cgen during execution.
885 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
886 * memory.c (data_non_cache_access): Removed.
887 (insn_non_cache_access): Removed.
888 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
889 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
890 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
891 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
892 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
893 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
894 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
895 (frvbf_read_imem_USI): Read the cache or ememory passively.
896 (frvbf_write_mem_QI): Don't check for non-cache access here.
897 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
898 (frvbf_write_mem_HI): Don't check for non-cache access here.
899 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
900 (frvbf_write_mem_SI): Don't check for non-cache access here.
901 (frvbf_write_mem_DI): Don't check for non-cache access here.
902 (frvbf_write_mem_DF): Don't check for non-cache access here.
903 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
904 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
905 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
906 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
907 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
908 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
909 * interrupts.c (check_reset): Read the cache and memory passively.
910 (frv_program_or_software_interrupt): Call frv_term before calling
911 sim_engine_halt.
912 * frv.c (all modeling functions): Break into two passes. One before
913 execuetion and one after. call load_wait_for_* for all GR and FR
914 registers.
915 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
916 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
917 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
918 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
919 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
920 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
921 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
922 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
923 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
924 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
925 (model_insn): New global variable.
926 (fr_ptime): New array.
927 (cache_request): New enumeration.
928 (CACHE_QUEUE_ELEMENT): New struct type.
929 (CACHE_QUEUE_SIZE): New macro.
930 (cache_queue): New static struct.
931 (request_cache_load): New function.
932 (request_cache_flush): New function.
933 (request_cache_invalidate): New function.
934 (request_cache_preload): New function.
935 (request_cache_unlock): New function.
936 (submit_cache_request): New function.
937 (activate_cache_requests): New function.
938 (load_pending_for_register): New function.
939 (flush_pending_for_address): New function.
940 (remove_cache_queue_element): New function.
941 (copy_load_data): New function.
942 (request_complete): New function.
943 (run_caches): New function.
944 (frv_model_trace_wait_cycles): New function.
945 (wait_for_flush): New function.
946 (frvbf_model_insn_before): Insn prefect wait now modeled in
947 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
948 wait_for_flush.
949 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
950 vliw_insns here anymore.
951 (update_FR_latency_for_load): New function.
952 (update_FRdouble_latency_for_load): New function.
953 (update_FR_ptime): New function.
954 (update_FRdouble_ptime): New function.
955 (update_GR_latency_for_swap): New function.
956 (load_wait_for_GR): New function.
957 (load_wait_for_FR): New function.
958 (load_wait_for_GRdouble): New function.
959 (load_wait_for_FRdouble): New function.
960 (frvbf_model_fr500_u_ici): New function.
961 (frvbf_model_fr500_u_dci): New function.
962 (frvbf_model_fr500_u_dcf): New function.
963 (frvbf_model_fr500_u_icpl): New function.
964 (frvbf_model_fr500_u_dcpl): New function.
965 (frvbf_model_fr500_u_icul): New function.
966 (frvbf_model_fr500_u_dcul): New function.
967 * frv-sim.h (frv_term): New function.
968 (insn_non_cache_access): Removed.
969 (FRV_COUNT_CYCLES): New macro.
970 (frv_save_peofile_model_p): New global variable.
971 (model_insn): New enumerated global variable.
972 (frv_model_advance_cycles): New function.
973 (frv_model_trace_wait_cycles): New function.
974 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
975 (FRV_CACHE_WAR_REQUEST): New struct type.
976 (FRV_CACHE_STORE_REQUEST): New struct type.
977 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
978 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
979 (FRV_CACHE_REQUEST): New struct type.
980 (FRV_CACHE_RETURN_BUFFER): New struct type.
981 (FRV_CACHE_FLUSH_STATUS): New struct type.
982 (FRV_CACHE_STATUS): New struct type.
983 (FRV_CACHE_STAGE): New struct type.
984 (FRV_CACHE_STAGES): New enumeration.
985 (FRV_CACHE_WAR): New struct type.
986 (FRV_CACHE_PIPELINE): New struct type.
987 (FRV_CACHE_ARS): New struct type.
988 (FRV_CACHE_STATISTICS): New struct type.
989 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
990 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
991 (CACHE_RETURN_DATA_ADDRESS): New macro.
992 (frv_cache_read): Now takes pipe index as second argument.
993 (frv_cache_enabled): New function.
994 (frv_cache_request_load): New function.
995 (frv_cache_request_store): New function.
996 (frv_cache_request_invalidate): New function.
997 (frv_cache_request_preload): New function.
998 (frv_cache_request_unlock): New function.
999 (frv_cache_run): New function.
1000 (frv_cache_read_passive_SI): New function.
1001 (frv_cache_data_in_buffer): New function.
1002 (frv_cache_data_flushed): New function.
1003 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
1004 (frv_cache_enabled): New function.
1005 (non_cache_access): New function.
1006 (write_data_to_memory): Count write accesses for each mode. Write to
1007 memory using sim_core_write_unaligned_1;
1008 (read_data_from_memory): New function.
1009 (fill_line_from_memory): Use read_data_from_memory.
1010 (copy_line_to_return_buffer): New function.
1011 (copy_memory_to_return_buffer): New function.
1012 (set_return_buffer_reqno): New function.
1013 (frv_cache_read): Now takes pipe index as second argument. Check for
1014 non-cache access.
1015 (frv_cache_preload): Check for non-cache access.
1016 (frv_cache_unlock): Check for non-cache access.
1017 (invalidate_return_buffer): New function.
1018 (frv_cache_invalidate): Check for non-cache access.
1019 (convert_slot_to_index): New function.
1020 (FREE_CHAIN_SIZE): New macro.
1021 (frv_cache_request_free_chain): New static variable.
1022 (frv_store_request_free_chain): New static variable.
1023 (allocate_new_cache_requests): New function.
1024 (new_cache_request): New function.
1025 (free_cache_request): New function.
1026 (new_store_request): New function.
1027 (pipeline_remove_request): New function.
1028 (pipeline_add_request): New function.
1029 (pipeline_requeue_request): New function.
1030 (next_priority): New function.
1031 (add_WAR_request): New function.
1032 (pipeline_next_request): New function.
1033 (pipeline_stage_request): New function.
1034 (advance_pipelines): New function.
1035 (frv_cache_request_load): New function.
1036 (frv_cache_request_store): New function.
1037 (frv_cache_request_invalidate): New function.
1038 (frv_cache_request_preload): New function.
1039 (frv_cache_request_unlock): New function.
1040 (address_interference): New function.
1041 (wait_for_WAR): New function.
1042 (wait_in_WAR): New function.
1043 (handle_req_load): New function.
1044 (handle_req_preload): New function.
1045 (handle_req_store): New function.
1046 (handle_req_invalidate): New function.
1047 (handle_req_unlock): New function.
1048 (handle_req_WAR): New function.
1049 (arbitrate_requests): New function.
1050 (move_ARS_to_WAR): New function.
1051 (decrease_latencies): New function.
1052 (frv_cache_run): New function.
1053 (frv_cache_read_passive_SI): New function.
1054 (frv_cache_data_in_buffer): New function.
1055 (frv_cache_data_flushed): New function.
1056 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1057
1058Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
1059
1060 * configure: Regenerated to track ../common/aclocal.m4 changes.
1061
10622000-05-19 Dave Brolley <brolley@redhat.com>
1063
1064 * traps.c (frv_rett): Check for exceptions in the order specified in the
1065 architecture spec. Allow privileged_instruction interrrupt to be handled
1066 normally.
1067 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
1068 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
1069 to clear the NE flag.
1070 (frvbf_model_tomcat_u_exec): New function.
1071 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
1072 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1073 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1074
10752000-05-18 Dave Brolley <brolley@redhat.com>
1076
1077 * sim-if.c (elf-bfd.h): #include it.
1078 (sim_open): Set machine amd architecture based on elf flags.
1079
10802000-04-04 Dave Brolley <brolley@redhat.com>
1081
1082 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1083 Delete '#if 0' blocks.
1084 * frv.c: Delete '#if 0' blocks.
1085 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1086 PSR.S and PSR.ESR.
1087 (frv_h_psr_esr_set_handler): Removed.
1088 * interrupts.c: Delete '#if 0' blocks.
1089 * memory.c: Delete '#if 0' blocks.
1090 * cpu.c,cpu.h: Regenerate.
1091
10922000-04-03 Dave Brolley <brolley@redhat.com>
1093
1094 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1095 containing the target address.
1096 (clear_nesr_neear): No longer takes hi_available and lo_available.
1097 Remove bogus check for available GR registers.
1098 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1099 (frvbf_commit): Update call to clear_nesr_neear.
1100 * interrupts.c (next_available_esr): Removed.
1101 (next_available_edr): Removed.
1102 (next_available_fq): Removed.
1103 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1104 (frvbf_store_register): Remove "FIXME" comment.
1105 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1106 (UART_OUTCHAR_ADDR): Removed.
1107 (UART_STATUS_ADDR): Removed.
1108 (UART_INPUT_READY): Removed.
1109 (UART_OUTPUT_READY): Removed.
1110 (FRV_DEVICE_ADDR): Removed.
1111 (FRV_DEVICE_LEN): Removed.
1112 (SET_NESR): Call frvbf_force_update.
1113 (SET_NEEAR): Call frvbf_force_update.
1114 (SET_NE_FLAGS): Call frvbf_force_update.
1115
11162000-03-30 Dave Brolley <brolley@redhat.com>
1117
1118 * configure: Regenerated.
1119
11202000-03-30 Dave Brolley <brolley@redhat.com>
1121
1122 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1123 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1124 performing the write.
1125 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1126 queue element with the information in the interrupt state.
1127 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1128 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1129 (frv_set_interrupt_queue_slot): New function.
1130 (esr_for_data_access_exception): New function.
1131 (set_edr_register): edr_index is now passed in.
1132 (fq_for_exception): New function.
1133 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1134 element now passed in.
1135 (set_exception_status_registers): Obtain slot from interrupt queue
1136 element. Call esr_for_data_access_exception. Use ESR14
1137 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1138 (frv_save_data_written_for_interrupts): Save slot containing the insn
1139 performing the write.
1140 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1141 frv_fsr_ftt.
1142 (struct frv_interrupt_state): Add 'slot' field.
1143 (frv_set_interrupt_queue_slot): New function.
1144 (frv_set_write_queue_slot): New function.
1145
11462000-03-24 Dave Brolley <brolley@redhat.com>
1147
1148 * mloop.in (_parallel_write_init): Initialize
1149 frv_interrupt_state.imprecise_interrupt.
1150 (_parallel_write_queued): After an imprecise interrupt, only perform
1151 forced writes and floating point writes (for certain exceptions).
1152 * interrupts.c (handle_interrupt): Set
1153 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1154 interrupt.
1155 (frv_process_interrupts): No need to clear f_ne_flags.
1156 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1157 force them to happen even if there is an overflow exception.
1158 (frvbf_force_update): New function.
1159 * frv-sim.h (frvbf_force_update): New function.
1160 (struct frv_interrupt_state): Add imprecise_interrupt.
1161 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1162 * sem.c: Regenerate.
1163
11642000-03-23 Dave Brolley <brolley@redhat.com>
1165
1166 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1167 * registers.c (frv_spr): MCIRL -> MCILR.
1168 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1169 New function.
1170 (frv_detect_insn_access_interrupts):
1171 Call frv_queue_non_implemented_instruction_interrupt.
1172 (frv_process_interrupts): Clear accumulated NE flags.
1173 * frv.c (frvbf_media_cop): New function.
1174 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1175 the NE flag of the given target register.
1176 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1177 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1178 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1179 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1180 (frvbf_model_fr500_u_float_dual_convert): New function.
1181 * frv-sim.h (frvbf_media_cop): New function.
1182 (GET_FQ): Use H_SPR_FQST0.
1183 (SET_FQ): Use H_SPR_FQST0.
1184 (SET_FQ_OPC): Use J_SPR_FQOP0.
1185 (GET_MSR_EMCI): New macro.
1186 (frv_queue_non_implemented_instruction_interrupt): New function.
1187 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1188
11892000-03-08 Dave Brolley <brolley@redhat.com>
1190
1191 * traps.c (frv_rett): Align new_pc.
1192 * memory.c (frvbf_read_mem_HI): Align address.
1193 (frvbf_read_mem_UHI): Align address.
1194 (frvbf_read_mem_SI): Align address.
1195 (frvbf_read_mem_DI): Align address.
1196 (frvbf_read_mem_DF): Align address.
1197 (frvbf_read_imem_USI): Align address.
1198 (frvbf_mem_set_HI): Align address.
1199 (frvbf_mem_set_SI): Align address.
1200 (frvbf_mem_set_DI): Align address.
1201 (frvbf_mem_set_DF): Align address.
1202 (frvbf_mem_set_XI): Align address.
1203 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1204 (fr500_spr): Initialize FSR0.NS to 1.
1205 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1206 whether the exception is masked.
1207 * frv.c (frvbf_load_quad_GR): Align address.
1208 (frvbf_store_quad_GR): Align address.
1209 (frvbf_load_quad_FRint): Align address.
1210 (frvbf_store_quad_FRint): Align address.
1211 (frvbf_load_quad_CPR): Align address.
1212 (frvbf_store_quad_CPR): Align address.
1213 * frv-sim.h (GET_ISR_EMAM): New macro.
1214
12152000-03-08 Dave Brolley <brolley@redhat.com>
1216
1217 * traps.c (frvbf_division_exception): Check for masked overflow and
1218 set NE flags, if necessary.
1219 (frvbf_check_recovering_store): Queue writes to the hardware.
1220 (check_registers_available): Removed.
1221 (which_registers_available): Call frv_{fr,gr}_registers_available.
1222 (frvbf_clear_ne_flags): Call check_register_access.
1223 (frvbf_commit): Call check_register_access.
1224 * registers.h (frv_fr_registers_available): New function.
1225 (frv_gr_registers_available): New function.
1226 (frv_check_register_access): New function.
1227 (frv_check_gr_access): New function.
1228 (frv_check_fr_access): New function.
1229 * registers.c (frv_spr): Correct initial value of ISR.
1230 (fr500_spr): Correct initial value of ISR.
1231 (frv_fr_registers_available): New function.
1232 (frv_gr_registers_available): New function.
1233 (frv_check_register_access): New function.
1234 (frv_check_gr_access): New function.
1235 (frv_check_fr_access): New function.
1236 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1237 (set_isr_exception_fields): New function.
1238 (set_exception_status_registers): Set ISR fields for division exception.
1239 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1240 * frv.c (frvbf_h_gr_get_handler): New function.
1241 (frvbf_h_gr_set_handler): New function.
1242 (frvbf_h_fr_get_handler): New function.
1243 (frvbf_h_fr_set_handler): New function.
1244 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1245 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1246 (spr_isr_get_handler): Removed.
1247 (spr_isr_set_handler): Removed.
1248 (frvbf_signed_integer_divide): New funciton.
1249 (frvbf_unsigned_integer_divide): New funciton.
1250 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1251 (frvbf_h_gr_set_handler): New function.
1252 (frvbf_h_fr_get_handler): New function.
1253 (frvbf_h_fr_set_handler): New function.
1254 (frvbf_signed_integer_divide): New funciton.
1255 (frvbf_unsigned_integer_divide): New funciton.
1256 (frv_dtt): New enumeration.
1257 (struct frv_interrupt_queue_element): Add dtt member.
1258 (GET_ISR): New macro.
1259 (SET_ISR): New macro.
1260 (GET_ISR_EDEM): New macro.
1261 (SET_ISR_DTT): New macro.
1262 (SET_ISR_AEXC): New macro.
1263 (frvbf_division_exception): Add 2 'int' arguments.
1264 (frvbf_check_non_excepting_divide): Removed.
1265 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1266
12672000-02-29 Dave Brolley <brolley@redhat.com>
1268
1269 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1270 (frv_rett): Use hardware access macros. Write PSR as a whole.
1271 (next_available_nesr): Check that NECR is valid.
1272 (next_valid_nesr): Check that NECR is valid.
1273 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1274 call hardware access functions. Use cover macros.
1275 (check_registers_available): New function.
1276 (clear_nesr_near): Check register availability.
1277 (clear_ne_flags): Check register availability.
1278 (frvbf_clear_ne_flags): Check register availability.
1279 (frvbf_commit): Check register availability.
1280 (which_registers_available): New function.
1281 * sim-main.h (registers.h): #include it.
1282 (register_control): New cpu field.
1283 (CPU_REGISTER_CONTROL): New macro.
1284 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1285 (frv_power_on_reset): Initialize SPR registers and RSTR.
1286 (frv_hardware_reset): Initialize SPR registers and RSTR.
1287 (frv_software_reset): Reset SPR registers and RSTR.
1288 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1289 Call frv_cache_init.
1290 * mloop.in (main loop): Check for insn access interrupts before
1291 executing the insn.
1292 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1293 (frv_detect_insn_access_interrupts): Don't call hardware access
1294 functions directly. Use cover macros.
1295 (check_reset): Don't reset RSTR here.
1296 (next_available_esr): ESFR -> ESFR_FLAG.
1297 (next_available_edr): ESFR -> ESFR_FLAG.
1298 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1299 ESFR -> ESFR_FLAG.
1300 (frv_break_interrupt): Don't call hardware access functions directly.
1301 Use cover macros.
1302 (frv_program_or_software_interrupt): Ditto.
1303 (frv_external_interrupt): Ditto.
1304 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1305 (frvbf_store_register): Don't call 'set' functions directly.
1306 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1307 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1308 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1309 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1310 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1311 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1312 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1313 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1314 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1315 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1316 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1317 Support shadow registers.
1318 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1319 Support shadow registers.
1320 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1321 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1322 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1323 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1324 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1325 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1326 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1327 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1328 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1329 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1330 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1331 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1332 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1333 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1334 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1335 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1336 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1337 version 1.3a.
1338 (spr_ccr_get_handler): Don't reference the hardware directly.
1339 (spr_ccr_set_handler): Don't reference the hardware directly.
1340 (spr_cccr_get_handler): Don't reference the hardware directly.
1341 (spr_cccr_set_handler): Don't reference the hardware directly.
1342 (spr_sr_get_handler): New function.
1343 (spr_sr_set_handler): New function.
1344 (frvbf_switch_supervisor_user_context): Temporarily switch to
1345 supervisor mode.
1346 (frvbf_store_quad_GR): Don't call handler directly.
1347 (frvbf_store_quad_FRint): Don't call handler directly.
1348 (frvbf_store_quad_CPR): Don't call handler directly.
1349 (frvbf_clear_all_accumulators): Removed.
1350 (frvbf_clear_accumulators): New function.
1351 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1352 Account for in_ACCGi and out_ACCGk.
1353 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1354 (RSTR_SOFTWARE_RESET): New macro.
1355 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1356 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1357 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1358 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1359 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1360 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1361 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1362 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1363 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1364 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1365 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1366 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1367 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1368 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1369 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1370 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1371 (frvbf_clear_all_accumulators): Removed.
1372 (frvbf_clear_accumulators): New function.
1373 (GET_HSR0): Use GET_H_SPR.
1374 (SET_HSR0): Use SET_H_SPR.
1375 (CLEAR_HSR0_ICE): New macro.
1376 (CLEAR_HSR0_DCE): New macro.
1377 (GET_IHSR8): Use GET_H_SPR.
1378 (GET_PSR): New macro.
1379 (SET_PSR_ET): New macro.
1380 (GET_PSR_PS): New macro.
1381 (SET_PSR_S): New macro.
1382 (GET_ESFR): Changed to reference entire register.
1383 (SET_ESFR): Changed to reference entire register.
1384 (GET_ESFR_FLAG): New macro.
1385 (SET_ESFR_FLAG): New macro.
1386 (NECR_ELOS): Removed.
1387 (NECR_NEN): Removed.
1388 (NECR_VALID): Removed.
1389 (GET_NECR): New macro.
1390 (GET_NECR_ELOS): New macro.
1391 (GET_NECR_NEN): New macro.
1392 (GET_NECR_VALID): New macro.
1393 (NESR_RANGE): Removed.
1394 (GET_NESR): Use GET_H_SPR.
1395 (GET_NE_FLAGS): Use GET_H_SPR.
1396 * cache.h (CACHE_INITIALIZED): New macro.
1397 * Makefile.in (SIM_OBJS): Add registers.o.
1398 (SIM_EXTRA_DEPS): Add registers.h.
1399 (registers.o): New target.
1400 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1401
14022000-02-17 Dave Brolley <brolley@redhat.com>
1403
1404 * interrupts.c (frv_interrupt_table): Update priority order and handler
1405 offsets to conform to the architecture version 1.3a.
1406 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1407 to the architecture version 1.3a.
1408
14092000-02-17 Dave Brolley <brolley@redhat.com>
1410
1411 * interrupts.c (frv_interrupt_table): Update priority order and handler
1412 offsets to conform to the latest specifications.
1413 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1414 queued. New variable 'iclass' used to test for external interrupts.
1415 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1416 to the latest specifications.
1417
14182000-01-20 Dave Brolley <brolley@redhat.com>
1419
1420 * sim-if.c (sim_open): Move frv-specific initialization to
1421 frv_initialize in reset.c.
1422 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1423 status bits for hardware vs software reset.
1424 * reset.c: New file.
1425 * frv-sim.h (frv_initialize): New function.
1426 (frv_power_on_reset): New function.
1427 (frv_hardware_reset): New function.
1428 (frv_software_reset): New function.
1429 (RSTR_ADDRESS): New macro.
1430 (RSTR_INITIAL_VALUE): New macro.
1431 (GET_RSTR_HR): New macro.
1432 (GET_RSTR_SR): New macro.
1433 (SET_RSTR_H): New macro.
1434 (SET_RSTR_S): New macro.
1435 (CLEAR_RSTR_P): New macro.
1436 (CLEAR_RSTR_H): New macro.
1437 (CLEAR_RSTR_S): New macro.
1438 (CLEAR_RSTR_HR): New macro.
1439 (CLEAR_RSTR_SR): New macro.
1440
14412000-01-03 Dave Brolley <brolley@cygnus.com>
1442
1443 * mloop.in (execute): Only call modeling function if the pointer is not
1444 NULL.
1445 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1446 fr500.
1447
14482000-01-03 Dave Brolley <brolley@cygnus.com>
1449
1450 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1451 (frv_options): Add --memory-latency.
1452 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1453 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1454 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1455 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1456 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1457 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1458 (update_latencies): Only clear usage flags if the register has no
1459 target latency.
1460 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1461 not |= (or assgnment).
1462 (frvbf_model_insn_after): Print post processing wait for all insns.
1463 Update prev_acc_p1 and prev_acc_p2.
1464 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1465 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1466 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1467 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1468 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1469 (frvbf_model_fr500_u_media_quad_arith): New function.
1470 (frvbf_model_fr500_u_media_dual_mul): New function.
1471 (frvbf_model_fr500_u_media_quad_mul): New function.
1472 (frvbf_model_fr500_u_media_quad_complex): New function.
1473 (frvbf_model_fr500_u_media_dual_expand): New function.
1474 (frvbf_model_fr500_u_media_dual_unpack): New function.
1475 (frvbf_model_fr500_u_media_dual_btoh): New function.
1476 (frvbf_model_fr500_u_media_dual_htob): New function.
1477 (frvbf_model_fr500_u_media_dual_btohe): New function.
1478 (frv_ref_SI): New function.
1479 * cache.h (FRV_CACHE): Add memory_latency field.
1480 * cache.c (frv_cache_init): Initialize memory_latency.
1481 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1482
14831999-12-17 Dave Brolley <brolley@cygnus.com>
1484
1485 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1486 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1487 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1488 (OPTIONS_FRV_TIMER): New enumeration.
1489 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1490 (frv_option_handler): Override common implementation of -p. Handle
1491 --profile-cache, --profile-parallel, --timer.
1492 * mloop.in (execute): Call profiling functions if the timer interrupt
1493 is enabled.
1494 (@cpu@_simulate_insn_prefetch): New function.
1495 (main loop): Call @cpu@_simulate_insn_prefetch.
1496 * interrupts.c (frv_queue_interrupt): Don't queue two external
1497 interrupts of the same priority.
1498 (frv_queue_external_interrupt): New function.
1499 (frv_external_interrupt): New function.
1500 (handle_interrupt): Handle external interrupts.
1501 (check_reset): New function.
1502 (frv_process_interrupts): Call check_reset.
1503 * frv.c: Include "bfd.h"
1504 (frvbf_h_psr_get_handler): Set the PIL field.
1505 (frvbf_h_psr_set_handler): Get the PIL field.
1506 (DUAL_REG): New macro.
1507 (DUAL_DOUBLE): New macro.
1508 (SET_USE_IS_FPOP): New macro.
1509 (SET_USE_NOT_FPOP): New macro.
1510 (USE_IS_FPOP): New macro.
1511 (SET_USE_IS_MEDIA): New macro.
1512 (SET_USE_NOT_MEDIA): New macro.
1513 (USE_IS_MEDIA_P1): New macro.
1514 (SET_USE_IS_MEDIA_P1): New macro.
1515 (SET_USE_NOT_MEDIA_P1): New macro.
1516 (SET_USE_IS_MEDIA_P2): New macro.
1517 (SET_USE_NOT_MEDIA_P2): New macro.
1518 (USE_IS_MEDIA_P2): New macro.
1519 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1520 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1521 (ACC_USE_IS_MEDIA_P1): New macro.
1522 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1523 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1524 (ACC_USE_IS_MEDIA_P2): New macro.
1525 (RESOURCE_IDIV): New macro.
1526 (RESOURCE_FDIV): New macro.
1527 (RESOURCE_SQRT): New macro.
1528 (fr_busy_adjust): New array.
1529 (acc_busy_adjust): New array.
1530 (apply_latency_adjustments): New function.
1531 (update_latencies): New function.
1532 (handle_wait_cycles): New function.
1533 (handle_resource_wait): New function.
1534 (update_target_latencies): New function.
1535 (frvbf_model_insn_before): Add resource latency to cycle counts.
1536 (frvbf_model_insn_after): Add resource latency to cycle counts.
1537 (update_GR_latency): New function.
1538 (update_GRdouble_latency): New function.
1539 (update_FR_latency): New function.
1540 (update_FRdouble_latency): New function.
1541 (decrease_ACC_busy): New function.
1542 (decrease_FR_busy): New function.
1543 (increase_FR_busy): New function.
1544 (update_ACC_latency): New function.
1545 (update_CCR_latency): New function.
1546 (update_idiv_resource_latency): New function.
1547 (update_fdiv_resource_latency): New function.
1548 (update_fsqrt_resource_latency): New function.
1549 (vliw_wait_for_GR): New function.
1550 (vliw_wait_for_GRdouble): New function.
1551 (vliw_wait_for_FR): New function.
1552 (vliw_wait_for_FRdouble): New function.
1553 (vliw_wait_for_CCR): New function.
1554 (vliw_wait_for_ACC): New function.
1555 (vliw_wait_for_idiv_resource): New function.
1556 (vliw_wait_for_fdiv_resource): New function.
1557 (vliw_wait_for_fsqrt_resource): New function.
1558 (enforce_full_fr_latency): New function.
1559 (frvbf_model_fr500_u_exec): New function.
1560 (frvbf_model_fr500_u_integer): New function.
1561 (frvbf_model_fr500_u_imul): New function.
1562 (frvbf_model_fr500_u_idiv): New function.
1563 (frvbf_model_fr500_u_branch): New function.
1564 (frvbf_model_fr500_u_set_hilo): New function.
1565 (frvbf_model_fr500_u_gr_load_store): New function.
1566 (frvbf_model_fr500_u_fr_load_store): New function.
1567 (frvbf_model_fr500_u_swap): New function.
1568 (frvbf_model_fr500_u_fr2fr): New function.
1569 (frvbf_model_fr500_u_fr2gr): New function.
1570 (frvbf_model_fr500_u_spr2gr): New function.
1571 (frvbf_model_fr500_u_gr2fr): New function.
1572 (frvbf_model_fr500_u_gr2spr): New function.
1573 (post_wait_for_FR): New function.
1574 (post_wait_for_FRdouble): New function.
1575 (post_wait_for_ACC): New function.
1576 (post_wait_for_CCR): New function.
1577 (post_wait_for_fdiv): New function.
1578 (post_wait_for_fsqrt): New function.
1579 (adjust_float_register_busy): New function.
1580 (adjust_double_register_busy): New function.
1581 (restore_float_register_busy): New function.
1582 (restore_double_register_busy): New function.
1583 (frvbf_model_fr500_u_float_arith): New function.
1584 (frvbf_model_fr500_u_float_dual_arith): New function.
1585 (frvbf_model_fr500_u_float_div): New function.
1586 (frvbf_model_fr500_u_float_sqrt): New function.
1587 (frvbf_model_fr500_u_float_compare): New function.
1588 (frvbf_model_fr500_u_float_dual_compare): New function.
1589 (frvbf_model_fr500_u_float_convert): New function.
1590 (frvbf_model_fr500_u_media): New function.
1591 (frvbf_model_fr500_u_barrier): New function.
1592 (frvbf_model_fr500_u_membar): New function.
1593 * frv-sim.h (LEUINT): New macro.
1594 (GET_HSR0_SA): New macro.
1595 (struct frv_interrupt_timer): New struct.
1596 (struct frv_interrupt_state): Add timer fiield.
1597 (frv_queue_external_interrupt): New function.
1598 (frv_external_interrupt): New function.
1599 (frv_profile_info): New function.
1600 (PROFILE_CACHE_IDX): New enumerator.
1601 (PROFILE_PARALLEL_IDX): New enumerator.
1602 (PROFILE_cache): New macro.
1603 (PROFILE_parallel): New macro.
1604 (WITH_PROFILE_CACHE_P): New macro.
1605 (WITH_PROFILE_PARALLEL_P): New macro.
1606 * cache.h (FRV_CACHE): Add last_was_hit field.
1607 * cache.c (get_tag): Use new last_was_hit field.
1608 (frv_cache_read): Ditto.
1609 (frv_cache_write): Ditto.
1610 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1611
16121999-12-13 Dave Brolley <brolley@cygnus.com>
1613
1614 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1615 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1616 sim_queue_fn_di_write.
1617 (frvbf_media_cut_ss): New function.
1618 * frv-sim.h (frvbf_media_cut_ss): New function.
1619 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1620
16211999-12-13 Dave Brolley <brolley@cygnus.com>
1622
1623 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1624 no constraints.
1625 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1626 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1627 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1628 FRV_IS_MEDIA_INSN.
1629 * frv.c (frvbf_model_simple_u_exec): New function.
1630 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1631 (FRV_IS_MEDIA_INSN): Range includes M-8.
1632
1633 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1634 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1635 Regenerate.
1636
16371999-12-10 Dave Brolley <brolley@cygnus.com>
1638
1639 * traps.c (check_registers_available): New function.
1640 (clear_ne_flags): Generate register_exception if register(s) not
1641 available.
1642 (frvbf_commit): Generate register_exception if register(s) not
1643 available.
1644 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1645 GR4-GR7 to SR0-SR4.
1646 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1647 PSR.ESR.
1648 (frvbf_h_psr_s_set_handler): New function.
1649 (frvbf_h_psr_esr_set_handler): New function.
1650 (frvbf_switch_supervisor_user_context): New function.
1651 (frvbf_scan_result): Reflect latest ISA.
1652 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1653 (frvbf_h_psr_esr_set_handler): New function.
1654 (frvbf_switch_supervisor_user_context): New function.
1655 (GET_HSR0_FRN): New Macro.
1656 (GET_HSR0_GRN): New Macro.
1657 (GET_HSR0_FRHE): New Macro.
1658 (GET_HSR0_FRLE): New Macro.
1659 (GET_HSR0_GRHE): New Macro.
1660 (GET_HSR0_GRLE): New Macro.
1661 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1662 (GET_ESFR): New bit ordering.
1663 (SET_ESFR): New bit ordering.
1664 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1665
16661999-12-10 Michael Meissner <meissner@cygnus.com>
1667
1668 * Makefile.in (sim-if.o): Add eng.h dependency.
1669
16701999-12-09 Dave Brolley <brolley@cygnus.com>
1671
1672 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1673 Pass sc->last_insn_p to @cpu@_model_insn_before.
1674 (main loop): Compute sc->first_insn_p.
1675 * frv.c (frvbf_model_insn_before): Set state variables.
1676 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1677 (frvbf_model_fr500_u_integer): Remove.
1678 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1679
16801999-12-07 Dave Brolley <brolley@cygnus.com>
1681
1682 * sim-main.h (cache.h): Include it.
1683 (insn_cache): New member.
1684 (data_cache): New member.
1685 (CPU_INSN_CACHE): New macro.
1686 (CPU_DATA_CACHE): New macro.
1687 * sim-if.c (WANT_CPU): New macro.
1688 (WANT_CPU_FRVBF): New macro.
1689 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1690 data and insn caches for each cpu.
1691 (sim_close): Call frv_cache_term for the insn and data caches of each
1692 cpu.
1693 * mloop.in (extract): Read insn from the cache.
1694 (main loop): Access the insn cache in order to maintain stats.
1695 * memory.c (data_non_cache_access): New function.
1696 (insn_non_cache_access): New function.
1697 (frvbf_read_mem_QI): Attempt to read from the cache first.
1698 (frvbf_read_mem_UQI): Ditto.
1699 (frvbf_read_mem_HI): Ditto.
1700 (frvbf_read_mem_UHI): Ditto.
1701 (frvbf_read_mem_SI): Ditto.
1702 (frvbf_read_mem_DI): Ditto.
1703 (frvbf_read_mem_DF): Ditto.
1704 (frvbf_read_imem_USI): New function.
1705 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1706 (frvbf_write_mem_UQI): Ditto.
1707 (frvbf_write_mem_HI): Ditto.
1708 (frvbf_write_mem_UHI): Ditto.
1709 (frvbf_write_mem_SI): Ditto.
1710 (frvbf_write_mem_DI): Ditto.
1711 (frvbf_write_mem_DF): Ditto.
1712 (frvbf_mem_set_QI): New function.
1713 (frvbf_mem_set_HI): New function.
1714 (frvbf_mem_set_SI): New function.
1715 (frvbf_mem_set_DI): New function.
1716 (frvbf_mem_set_DF): New function.
1717 (frvbf_mem_set_XI): New function.
1718 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1719 CGEN_FN_MEM_QI_WRITE,
1720 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1721 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1722 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1723 Call sim_queue_fn_mem_xi_write.
1724 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1725 Call sim_queue_fn_mem_xi_write.
1726 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1727 Call sim_queue_fn_mem_xi_write.
1728 (frvbf_insn_cache_preload): New function.
1729 (frvbf_data_cache_preload): New function.
1730 (frvbf_insn_cache_unlock): New function.
1731 (frvbf_data_cache_unlock): New function.
1732 (frvbf_insn_cache_invalidate): New function.
1733 (frvbf_data_cache_invalidate): New function.
1734 (frvbf_data_cache_flush): New function.
1735 * frv-sim.h (sim-options.h): Include it.
1736 (GET_HSR0): New macro.
1737 (SET_HSR0): New macro.
1738 (GET_HSR0_ICE): New macro.
1739 (SET_HSR0_ICE): New macro.
1740 (GET_HSR0_DCE): New macro.
1741 (SET_HSR0_DCE): New macro.
1742 (GET_HSR0_CBM): New macro.
1743 (GET_HSR0_RME): New macro.
1744 (GET_IHSR8): New macro.
1745 (GET_IHSR8_NBC): New macro.
1746 (frvbf_insn_cache_preload): New function.
1747 (frvbf_data_cache_preload): New function.
1748 (frvbf_insn_cache_unlock): New function.
1749 (frvbf_data_cache_unlock): New function.
1750 (frvbf_insn_cache_invalidate): New function.
1751 (frvbf_data_cache_invalidate): New function.
1752 (frvbf_data_cache_flush): New function.
1753 (insn_non_cache_access): New function.
1754 (frvbf_read_imem_USI): New function.
1755 (frvbf_mem_set_QI): New function.
1756 (frvbf_mem_set_HI): New function.
1757 (frvbf_mem_set_SI): New function.
1758 (frvbf_mem_set_DI): New function.
1759 (frvbf_mem_set_DF): New function.
1760 (frvbf_mem_set_XI): New function.
1761 (frv_options): FRV specific command line options.
1762 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1763 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1764 (cache.o): New target.
1765 (options.o): New target.
1766 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1767 * cache.h: New file.
1768 * cache.c: New file.
1769 * options.c: New file.
1770
17711999-11-29 Dave Brolley <brolley@cygnus.com>
1772
1773 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1774 (frvbf_check_non_excepting_divide): Ditto.
1775 (clear_ne_flags): Ditto
1776 (frvbf_commit): Ditto.
1777 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1778 * mloop.in (_parallel_write_init): Clear NE flags here.
1779 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1780 for non excepting insns. Also check for masked interrupts here.
1781 (frv_process_interrupts): Write NE flags here.
1782 (set_fp_exception_registers): No longer check for masked interrupts
1783 here.
1784 (check_for_compound_interrupt): No need to worry about masked
1785 interrupts.
1786 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1787 (GET_NE_FLAGS): New macro.
1788 (SET_NE_FLAGS): New macro.
1789 (GET_NE_FLAG): Operate on accumulated argument.
1790 (SET_NE_FLAG): Operate on accumulated argument.
1791 (CLEAR_NE_FLAG): Operate on accumulated argument.
1792 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1793 (frv.o): Correct dependencies.
1794 (traps.o): Ditto.
1795 (pipeline.o): Ditto.
1796 (interrupts.o): Ditto.
1797 (memory.o): Ditto.
1798 * sem.c: Regenerate.
1799
18001999-11-26 Dave Brolley <brolley@cygnus.com>
1801
1802 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1803 there is an exception indicated in the mask.
1804 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1805 state when adding a floating point insn to the pipeline.
1806 * interrupts.c (set_fp_exception_registers): Set NE flag for
1807 non-excepting insns.
1808 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1809 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1810 (frvbf_h_fr_int_get_handler): New function.
1811 (frvbf_h_fr_int_set_handler): New function.
1812 (frvbf_set_ne_index): New function.
1813 (NE_NOFLAG): New macro.
1814 (frv_interrupt_state): Add ne_index member.
1815 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1816 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1817 (frvbf_h_fr_int_get_handler): New function.
1818 (frvbf_h_fr_int_set_handler): New function.
1819 (frvbf_set_ne_index): New function.
1820 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1821
18221999-11-24 Dave Brolley <brolley@cygnus.com>
1823
1824 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1825
18261999-11-23 Dave Brolley <brolley@cygnus.com>
1827
1828 * frv-sim.h (frvbf_media_cut): New function.
1829 * frv.c (frvbf_media_cut): New function.
1830 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1831
18321999-11-22 Dave Brolley <brolley@cygnus.com>
1833
1834 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1835 * frv.c.h (frvbf_clear_all_accumulators): New function.
1836 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1837
18381999-11-18 Dave Brolley <brolley@cygnus.com>
1839
1840 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1841 if this is the first insn of its class in the pipeline.
1842 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1843 * traps.c (frvbf_media_register_not_aligned): New function.
1844 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1845
18461999-11-17 Dave Brolley <brolley@cygnus.com>
1847
1848 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1849 * frv-sim.h (OR_MSR_SIE): New macro.
1850 (CLEAR_MSR_SIE): New macro.
1851 (frvbf_media_overflow): Now takes sie argument.
1852 (frv_set_mp_exception_registers): Now takes sie argument.
1853 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1854 Set MSRx.SIE field.
1855 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1856
18571999-11-15 Dave Brolley <brolley@cygnus.com>
1858
1859 * traps.c (frv_mtrap): New function.
1860 (frvbf_media_cr_not_aligned): New function.
1861 (frvbf_media_acc_not_aligned): New function.
1862 (frvbf_media_overflow): New function.
1863 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1864 * interrupts.c: Call frv_set_mp_exception_registers.
1865 (frv_set_mp_exception_registers): New function.
1866 * frv-sim.h (frv_msr_mtt): New enumeration.
1867 (GET_MSR): New macro.
1868 (SET_MSR): New macro.
1869 (GET_MSR_AOVF): New macro.
1870 (SET_MSR_AOVF): New macro.
1871 (GET_MSR_OVF): New macro.
1872 (SET_MSR_OVF): New macro.
1873 (CLEAR_MSR_OVF): New macro.
1874 (GET_MSR_MTT): New macro.
1875 (SET_MSR_MTT): New macro.
1876 (frv_set_mp_exception_registers): New function.
1877 (frv_mtrap): New function.
1878 (FRV_IS_MEDIA_INSN): New macro.
1879 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1880
18811999-11-10 Dave Brolley <brolley@cygnus.com>
1882
1883 * sim-main.h (_sim_cpu): Add debug_state member.
1884 * mloop.in (_parallel_write_queued): Clear data_written.length.
1885 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1886 handler is 0xff.
1887 (frv_queue_break_interrupt): New function.
1888 (frv_break_interrupt): New function.
1889 (handle_interrupt): Handle break_interrupt.
1890 (frv_non_operating_interrupt): Now takes interrupt_kind.
1891 * frv-sim.h (frv_queue_break_interrupt): New function.
1892 (frv_break_interrupt): New function.
1893 (frv_break): New function.
1894 (frv_non_operating_interrupt): Now takes interrupt_kind.
1895 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1896
18971999-11-09 Dave Brolley <brolley@cygnus.com>
1898
1899 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1900 a floating point insn.
1901 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1902 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1903 frv_queue_fp_exception_interrupt.
1904 (frv_queue_fp_exception_interrupt): New function.
1905 (next_available_fq): New function.
1906 (set_fp_exception_registers): New function.
1907 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1908 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1909 (frv_program_interrupt): Don't process interrupt if it is masked.
1910 * frv.c (frvbf_h_fr_double_get_handler): Call
1911 frv_queue_fp_exception_interrupt.
1912 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1913 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1914 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1915 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1916 (frv_fp_exception_info): New struct type.
1917 (frv_interrupt_queue_element): Add fp_info member.
1918 (frv_fsr_traps): New enumeration.
1919 (frv_fsr_ftt): New enumeration.
1920 (frv_sie): New enumeration.
1921 (frv_miv): New enumeration.
1922 (GET_FSR): New macro.
1923 (SET_FSR): New macro.
1924 (GET_FSR_TEM): New macro.
1925 (SET_FSR_QNE): New macro.
1926 (SET_FSR_FTT): New macro.
1927 (GET_FSR_AEXC): New macro.
1928 (SET_FSR_AEXC): New macro.
1929 (GET_FQ): New macro.
1930 (SET_FQ): New macro.
1931 (SET_FQ_OPC): New macro.
1932 (SET_FQ_MIV): New macro.
1933 (SET_FQ_SIE): New macro.
1934 (SET_FQ_FTT): New macro.
1935 (SET_FQ_CEXC): New macro.
1936 (GET_FQ_VALID): New macro.
1937 (SET_FQ_VALID): New macro.
1938 (frv_queue_fp_exception_interrupt): New function.
1939 (FRV_IS_FLOAT_INSN): New macro.
1940
19411999-11-04 Dave Brolley <brolley@cygnus.com>
1942
1943 * traps.c (frvbf_fpu_error): No floating point errors need to be
1944 detected.
1945 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1946 of the ESR registers too.
1947 (set_exception_status_registers): Don't set EAR for any precise
1948 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1949 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1950 (non_operating_interrupt): No need for return code.
1951 (frv_program_or_software_interrupt): Process interrupt regardless
1952 of operating mode. If PSR.ET was not set at the start of processing,
1953 then stop the simulation with a message.
1954 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1955 CGEN_MEM_XI_WRITE.
1956 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1957 (frvbf_h_fr_quad_set_handler): New function.
1958 (frvbf_h_cpr_quad_set_handler): New function.
1959 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1960 sim_queue_fn_xi_write.
1961 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1962 sim_queue_fn_xi_write.
1963 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1964 sim_queue_fn_xi_write.
1965 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1966 sim_queue_mem_xi_write.
1967 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1968 sim_queue_mem_xi_write.
1969 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1970 sim_queue_mem_xi_write.
1971 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1972 (frvbf_h_fr_quad_set_handler): New function.
1973 (frvbf_h_cpr_quad_set_handler): New function.
1974 (SET_ESR_VALID): New macro.
1975 (CLEAR_ESR_VALID): New macro.
1976 (CLEAR_ESR_EAV): New macro.
1977 (CLEAR_ESR_EDV): New macro.
1978 * sem.c: Regenerate.
1979
19801999-11-02 Dave Brolley <brolley@cygnus.com>
1981
1982 * traps.c (frv_core_signal): Call
1983 frv_queue_mem_address_not_aligned_interrupt.
1984 * mloop.in (_parallel_write_queued): Call
1985 frv_save_data_written_for_interrupts.
1986 * frv.c (frvbf_h_gr_double_get_handler): Call
1987 frv_queue_register_exception_interrupt.
1988 (frvbf_h_cpr_double_get_handler): Call
1989 frv_queue_register_exception_interrupt.
1990 (frvbf_h_cpr_double_set_handler): Call
1991 frv_queue_register_exception_interrupt.
1992 (frvbf_load_multiple_GR): Call
1993 frv_queue_register_exception_interrupt.
1994 (frvbf_store_multiple_GR): Call
1995 frv_queue_register_exception_interrupt.
1996 (frvbf_load_multiple_CPR): Call
1997 frv_queue_register_exception_interrupt.
1998 (frvbf_store_multiple_CPR): Call
1999 frv_queue_register_exception_interrupt.
2000 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
2001 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
2002 queue element.
2003 (frv_queue_program_interrupt): Now returns interrupt queue element.
2004 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
2005 element.
2006 (frv_queue_interrupt): Now returns interrupt queue element.
2007 (frv_queue_register_exception_interrupt): New function.
2008 (frv_queue_mem_address_not_aligned_interrupt): New function.
2009 (frv_save_data_written_for_interrupts): New function.
2010 (next_available_edr): EDR registers available in blocks of 4.
2011 (clear_exception_status_registers): New function.
2012 (set_exception_status_registers): Pass esr to SET_ESR* macros.
2013
2014 * frv-sim.h (struct frv_data_written): New struct type.
2015 (frv_interrupt_queue_element): Add data_written member.
2016 (frv_queue_software_interrupt): Now returns interrupt queue element.
2017 (frv_queue_program_interrupt): Now returns interrupt queue element.
2018 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
2019 element.
2020 (frv_queue_interrupt): Now returns interrupt queue element.
2021 (frv_queue_register_exception_interrupt): New function.
2022 (frv_queue_mem_address_not_aligned_interrupt): New function.
2023 (frv_save_data_written_for_interrupts): New function.
2024
20251999-10-27 Dave Brolley <brolley@cygnus.com>
2026
2027 * interrupts.c (ITABLE_ENTRY): New macro.
2028 (frv_interrupt_table): Add exception codes.
2029 (next_available_esr): New function.
2030 (next_available_edr): New function.
2031 (set_edr_register): New function.
2032 (set_exception_status_registers): New function.
2033 (check_for_compound_interrupt): Record information on all interrupts
2034 found.
2035 (frv_program_interrupt): Always call check_for_compound_interrupt.
2036 * frv.c (frvbf_h_pc_set_handler): Removed.
2037 (frvbf_h_spr_get_handler): Handle LR register.
2038 (frvbf_h_spr_set_handler): Handle LR register.
2039 (frvbf_h_lr_get_handler): New function.
2040 (frvbf_h_lr_set_handler): New function.
2041 * frv-sim.h (frvbf_h_lr_get_handler): New function.
2042 (frvbf_h_lr_set_handler): New function.
2043 (frv_ec): New enumeration.
2044 (frv_interrupt): Add frv_ec field.
2045 (frv_rec): New enumeration.
2046 (frv_daec): New enumeration.
2047 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
2048 (SET_ESR_EC): New macro.
2049 (SET_ESR_REC): New macro.
2050 (SET_ESR_IAEC): New macro.
2051 (SET_ESR_DAEC): New macro.
2052 (SET_ESR_EAV): New macro.
2053 (GET_ESR_EDV): New macro.
2054 (SET_ESR_EDV): New macro.
2055 (GET_ESR_EDN): New macro.
2056 (SET_ESR_EDN): New macro.
2057 (GET_ESR): New macro.
2058 (SET_ESR): New macro.
2059 (SET_EPCR): New macro.
2060 (SET_EAR): New macro.
2061 (SET_EDR): New macro.
2062 (GET_ESFR): New macro.
2063 (SET_ESFR): New macro.
2064 * cpu.c,cpu.h,sem.c: Rebuild.
2065
20661999-10-26 Dave Brolley <brolley@cygnus.com>
2067
2068 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
2069 if mach is frv.
2070 (clear_nesr_neear): Only execute if mach is frv.
2071
20721999-10-22 Dave Brolley <brolley@cygnus.com>
2073
2074 * sim-main.h (sim_cpu): Add pipeline.
2075 (CPU_PIPELINE): New macro.
2076 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2077 (main loop): Maintain pc in cpu.
2078 * frv-sim.h (frv_queue_software_interrupt): New interface.
2079 (frv_queue_program_interrupt): New interface.
2080 (frv_queue_illegal_instruction_interrupt: New interface.
2081 (frv_queue_interrupt): New interface.
2082 (frv_detect_insn_access_interrupts): New interface.
2083 (frv_process_interrupts): New interface.
2084 (frv_program_interrupt): New interface.
2085 (frv_software_interrupt): New interface.
2086 (frv_program_or_software_interrupt): New interface.
2087 (FRV_PIPELINE): Moved from pipline.c.
2088 (frv_pipeline_reset): New interface.
2089 (frv_pipeline_add_insn): New interface.
2090 * interrupts.c (frv_queue_software_interrupt): New interface.
2091 (frv_queue_program_interrupt): New interface.
2092 (frv_queue_illegal_instruction_interrupt: New interface.
2093 (frv_queue_interrupt): New interface.
2094 (frv_detect_insn_access_interrupts): New interface.
2095 (frv_process_interrupts): New interface.
2096 (frv_program_interrupt): New interface.
2097 (frv_software_interrupt): New interface.
2098 (frv_program_or_software_interrupt): New interface.
2099 * frv.c: Use new interfaces.
2100 * pipeline.c: Use new interfaces.
2101 * traps.c: Use new interfaces.
2102 * memory.c: Use new interfaces.
2103 (frv_address_forbidden): No longer static.
2104
21051999-10-19 Dave Brolley <brolley@cygnus.com>
2106
2107 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2108 NESR.EC.
2109 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2110 * frv.c (frvbf_h_pc_set_handler): New function.
2111 * interrupts.c (frv_detect_data_interrupt): Removed.
2112 (address_forbidden): Removed.
2113 * frv-sim.h (frv_detect_data_interrupt): Removed.
2114 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2115 (NESR_REGISTER_NOT_ALIGNED): New macro.
2116 (NESR_UQI_SIZE): New macro.
2117 (NESR_QI_SIZE): New macro.
2118 (NESR_UHI_SIZE): New macro.
2119 (NESR_HI_SIZE): New macro.
2120 (NESR_SI_SIZE): New macro.
2121 (NESR_DI_SIZE): New macro.
2122 (NESR_XI_SIZE): New macro.
2123 (GET_NESR_DAEC): New macro.
2124 (SET_NESR_DAEC): New macro.
2125 (GET_NESR_REC): New macro.
2126 (SET_NESR_REC): New macro.
2127 (GET_NESR_EC): New macro.
2128 (SET_NESR_EC): New macro.
2129 (frvbf_read_mem_QI): New function.
2130 (frvbf_read_mem_UQI): New function.
2131 (frvbf_read_mem_HI): New function.
2132 (frvbf_read_mem_UHI): New function.
2133 (frvbf_read_mem_SI): New function.
2134 (frvbf_read_mem_WI): New function.
2135 (frvbf_read_mem_DI): New function.
2136 (frvbf_read_mem_DF): New function.
2137 (frvbf_write_mem_QI): New function.
2138 (frvbf_write_mem_UQI): New function.
2139 (frvbf_write_mem_HI): New function.
2140 (frvbf_write_mem_UHI): New function.
2141 (frvbf_write_mem_SI): New function.
2142 (frvbf_write_mem_WI): New function.
2143 (frvbf_write_mem_DI): New function.
2144 (frvbf_write_mem_DF): New function.
2145 * Makefile.in (SIM_OBJS): Add memory.o.
2146 * cpu.c,cpu.h,sem.c: Rebuild.
2147
21481999-10-18 Dave Brolley <brolley@cygnus.com>
2149
2150 * sim-if.c (sim_open): Use a real fpu error function.
2151 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2152 * mloop.in (_parallel_write_queued): Clear queue after writing.
2153 * interrupts.c (check_for_compound_interrupt): New function.
2154 (non_operating_interrupt): New function.
2155 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2156 (frvbf_h_gr_double_set_handler): New function.
2157 (frvbf_h_fr_double_get_handler): New function.
2158 (frvbf_h_fr_double_set_handler): New function.
2159 (frvbf_h_cpr_double_get_handler): New function.
2160 (frvbf_h_cpr_double_set_handler): New function.
2161 (frv_interrupt_queue_element): New struct type.
2162 (frv_queue_program_interrupt): Now takes pc.
2163 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2164 (frv_queue_interrupt): Now takes pc.
2165 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2166 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2167 (frvbf_division_exception): New function.
2168 (frvbf_fpu_error): New function.
2169 (frvbf_load_multiple_GR): New function.
2170 (frvbf_load_multiple_FR): New function.
2171 (frvbf_load_multiple_CPR): New function.
2172 * frv.c (frvbf_h_gr_double_get_handler): New function.
2173 (frvbf_h_gr_double_set_handler): New function.
2174 (frvbf_h_fr_double_get_handler): New function.
2175 (frvbf_h_fr_double_set_handler): New function.
2176 (frvbf_h_cpr_double_get_handler): New function.
2177 (frvbf_h_cpr_double_set_handler): New function.
2178 (frv_interrupt_queue_element): New struct type.
2179 (frv_queue_program_interrupt): Now takes pc.
2180 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2181 (frv_queue_interrupt): Now takes pc.
2182 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2183 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2184 (frvbf_fpu_error): New function.
2185 (frvbf_load_multiple_GR): New function.
2186 (frvbf_load_multiple_FR): New function.
2187 (frvbf_load_multiple_CPR): New function.
2188 * traps.c (frvbf_division_exception): New function.
2189 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2190
21911999-10-12 Dave Brolley <brolley@cygnus.com>
2192
2193 * mloop.in (new_vpc): New variable.
2194 (main loop): Call frv_detect_insn_access_interrupts. Call
2195 frv_detect_data_interrupts.
2196 * interrupts.c (access_queued_to): New function.
2197 (frv_detect_data_interrupts): New function.
2198 (frv_detect_insn_access_interrupts): New function.
2199 (frv_program_or_software_interrupt): Set PSR.S.
2200 * frv-sim.h (frv_detect_data_interrupts): New function.
2201 (frv_detect_insn_interrupts): New function.
2202
22031999-10-07 Dave Brolley <brolley@cygnus.com>
2204
2205 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2206 (frvbf_h_gr_hi_set_handler): New function.
2207 (frvbf_h_gr_lo_get_handler): New function.
2208 (frvbf_h_gr_lo.set_handler): New function.
2209 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2210 (frvbf_h_gr_hi_set_handler): New function.
2211 (frvbf_h_gr_lo_get_handler): New function.
2212 (frvbf_h_gr_lo.set_handler): New function.
2213 (frvbf_model_fr500_u_integer): New function.
2214 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2215
22161999-10-04 Dave Brolley <brolley@cygnus.com>
2217
2218 * traps.c: Use sim_engine_abort.
2219 * pipeline.c (frv_pipeline): Add field for insn major.
2220 (add_next_to_pipe): Return address of matching pipeline.
2221 (find_major_in_pipeline): New function.
2222 (check_insn_major_constraints: New function.
2223 (frv_pipeline_add_insn): Add checks for insn major constraints.
2224 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2225 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2226
2227Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2228
2229 * pipeline.c: New file.
2230 * mloop.in (main loop): Call frv_pipeline_reset.
2231 Call frv_pipeline_add_insn.
2232 * frv-sim.h (frv_pipeline_reset): New function.
2233 (frv_pipeline_add_insn): New function.
2234 * Makefile.in (SIM_OBJS): Add pipeline.o
2235
22361999-09-29 Doug Evans <devans@casey.cygnus.com>
2237
2238 * sem.c: Rebuild.
2239 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2240 result to SEM_PC. Return vpc.
2241
2242Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2243
2244 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2245 (frv_queue_interrupt): Don't detect identical interrupts here.
2246
2247Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2248
2249 * interrupts.c: New file.
2250 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2251 (frv_software_interrupt): Moved to interrupts.c.
2252 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2253 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2254 (@cpu@_perform_writeback): New function.
2255 (main loop): Call frv_process_interrupts.
2256 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2257 (frv_itrap): New interface.
2258 (frv_interrupt_class): New enumeration.
2259 (frv_interrupt_kind): New enumeration.
2260 (struct frv_interrupt): New struct type.
2261 (frv_interrupt_table): New table of interrupt information.
2262 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2263 (struct frv_interrupt_state): New struct type.
2264 (frv_interrupt_state): New global variable.
2265 (previous_vliw_pc): New global variable.
2266 (frv_queue_software_interrupt): New function.
2267 (frv_queue_program_interrupt): New function.
2268 (frv_queue_interrupt): New function.
2269 (frv_process_interrupts): New function.
2270 (frv_program_interrupt): New function.
2271 (frv_software_interrupt): New function.
2272 (frv_program_or_software_interrupt): New function.
2273 (frv_clear_interrupt_classes): New function.
2274 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2275 * Makefile.in (SIM_OBJS): Add interrupts.o
2276 * sem.c: Rebuild.
2277
22781999-09-25 Doug Evans <devans@casey.cygnus.com>
2279
2280 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2281
2282Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2283
2284 * mloop.in (main loop): Determine last insn from scache entry.
2285 * cpu.h: Rebuild.
2286 * cpuall.h: Rebuild.
2287
2288Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2289
2290 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2291 (NECR_ELOS): Define as unshifted value.
2292 (NECR_NEN): Define as unshifted value.
2293 (NECR_VALID): Define as unshifted value.
2294 (SET_NESR): Rewite to use post-write queue.
2295 (SET_NESR_VALID): Rewite to operate on argument.
2296 (SET_NESR_EAV): Rewite to operate on argument.
2297 (SET_NESR_FR): Rewite to operate on argument.
2298 (CLEAR_NESR_FR): Rewite to operate on argument.
2299 (SET_NESR_DRN): Rewite to operate on argument.
2300 (SET_NESR_SIZE): Rewite to operate on argument.
2301 (SET_NESR_NEAN): Rewite to operate on argument.
2302 (SET_NEEAR): Rewite to use post-write queue.
2303 (SET_NE_FLAG): Rewite to use post-write queue.
2304 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2305 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2306 (frv_rett): Rewite to use post-write queue.
2307 (next_available_nesr): Rewrite to use new macro interfaces.
2308 (next_valid_nesr): Ditto.
2309 (frvbf_check_non_excepting_load): Ditto.
2310 (frvbf_check_recovering_store): Ditto.
2311 (clear_nesr_neear): Ditto.
2312 (clear_ne_flags): Ditto.
2313 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2314 when flag is set.
2315 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2316 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2317 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2318 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2319 * Makefile.in (frv.o): Depend on cgen-par.h.
2320
2321Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2322
2323 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2324 (frvbf_write_next_vliw_addr_to_LR): New flag.
2325 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2326 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2327 address of the next VLIW insn if flag is set.
2328 * cpu.h,decode.c,sem.c: Rebuild.
2329
2330Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2331
2332 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2333 * sem.c: Rebuild.
2334
23351999-09-02 Doug Evans <devans@casey.cygnus.com>
2336
2337 * configure: Regenerated to track ../common/aclocal.m4 changes.
2338
23391999-09-01 Doug Evans <devans@casey.cygnus.com>
2340
2341 * decode.c: Rebuild.
2342
2343Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2344
2345 * traps.c (frv_rett): New function.
2346 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2347 (frvbf_h_spr_set_handler): Handle bpsr.
2348 (frvbf_h_bpsr_get_handler): New function.
2349 (frvbf_h_bpsr_set_handler): New function.
2350 * frv-sim.h (frv_rett): New function.
2351 (frvbf_h_bpsr_get_handler): New function.
2352 (frvbf_h_bpsr_set_handler): New function.
2353 * mloop.in: Read actual packing bit.
2354 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2355
2356Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2357
2358 * traps.c (WANT_CPU): New macro.
2359 (WANT_CPU_FRVBF): New macro.
2360 (frvbf_check_recovering_store): Use registers for source and queue
2361 writes.
2362 * mloop.in: New main loop for parallel support.
2363 (@cpu@_parallel_write_init): New function.
2364 (@cpu@_parallel_write_queued): New function.
2365 * frv-sim.h (set_icc_for_shift_left): New interface.
2366 (set_icc_for_shift_right): New interface.
2367 (frvbf_check_recovering_store): New interface.
2368 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2369 (set_icc_for_shift_right): Pass and return icc value.
2370 (frvbf_check_recovering_store): New interface.
2371 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2372 (stamp-mloop): Add cgen parallel options.
2373 (stamp-arch): Remove with-profile option.
2374 (stamp-cpu): Add cgen parallel options.
2375 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2376
23771999-08-28 Doug Evans <devans@casey.cygnus.com>
2378
2379 * cpu.h,decode.c,sem.c: Rebuild.
2380
2381Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2382
2383 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2384
2385Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2386
2387 * configure.in: fr500 now the default model.
2388 * configure: Regenerate.
2389 * frv.c: Change frv-1 to frv-gen.
2390 (frvbf_model_fr500_u_exec): New function.
2391 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2392 * mloop.in: Fix typos in comments.
2393 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2394
23951999-08-17 Dave Brolley <brolley@cygnus.com>
2396
2397 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2398
23991999-08-09 Doug Evans <devans@casey.cygnus.com>
2400
2401 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2402
24031999-08-04 Doug Evans <devans@casey.cygnus.com>
2404
2405 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2406
2407Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2408
2409 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2410 (frvbf_store_register): Use GDB register number macros.
2411 (frvbf_cut): New function.
2412 * frv-sim.h (GR_REGNUM_MAX): New macro.
2413 (FR_REGNUM_MAX): New macro.
2414 (PC_REGNUM): New macro.
2415 (LR_REGNUM): New macro.
2416 (frvbf_cut): New function.
2417 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2418
24191999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2420
2421 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2422 add default for unhandled registers.
2423 (frvbf_store_register): Add ability to set LR register.
2424
24251999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2426
2427 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2428 (decode_gdb_dr_regnum): Remove, not used.
2429
24301999-07-13 Michael Meissner <meissner@cygnus.com>
2431
2432 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2433
2434 * configure.in (--enable-sim-trapdump): New switch to make unknown
2435 traps dump the register contents, instead of doing the trap thing.
2436 * configure: Regenerate.
2437
2438 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2439 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2440 temporarily.
2441
2442 * traps.h (toplevel): Include bfd.h, libiberity.h.
2443 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2444 dumping the registers.
2445
2446Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2447
2448 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2449
2450Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2451
2452 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2453
2454Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2455
2456 * frv.c (frvbf_square_root_SF): Removed.
2457 (frvbf_square_root_DF): Removed.
2458 (frvbf_h_fr_double_get_handler): Removed.
2459 (frvbf_h_fr_double_set_handler): Removed.
2460 (frvbf_h_fr_int_get_handler): Removed.
2461 (frvbf_h_fr_int_set_handler): Removed.
2462 * frv-sim.h (frvbf_square_root_SF): Removed.
2463 (frvbf_square_root_DF): Removed.
2464 (frvbf_h_fr_double_get_handler): Removed.
2465 (frvbf_h_fr_double_set_handler): Removed.
2466 (frvbf_h_fr_int_get_handler): Removed.
2467 (frvbf_h_fr_int_set_handler): Removed.
2468 * decode.c,decode.h,model.c,sem.c: Rebuild.
2469
24701999-07-05 Doug Evans <devans@casey.cygnus.com>
2471
2472 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2473 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2474 * sim-if.c (sim_open): Initialize fpu.
2475 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2476 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2477 with frvbf_h_fr_get.
2478
2479Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2480
2481 * frv-sim.h (NESR_RANGE): New macro.
2482 (NO_NESR): New macro.
2483 (GET_NESR_VALID): New macro.
2484 (next_ne_index): Removed.
2485 * traps.c (next_available_nesr): New function.
2486 (next_valid_nesr): New function.
2487 (frvbf_check_non_excepting_load): Use next_available_nesr.
2488 (frvbf_check_recovering_store): Use next_available_nesr and
2489 next_valid_nesr.
2490 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2491 (frvbf_check_recovering_store): Only consider one matching register.
2492 * sem.c: Rebuild.
2493
2494Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2495
2496 * frv.c (frvbf_square_root_SF): New function.
2497 (frvbf_square_root_DF): New function.
2498 (frvbf_h_fr_double_get_handler): New function.
2499 (frvbf_h_fr_double_set_handler): New function.
2500 * frv-sim.h (frvbf_square_root_SF): New function.
2501 (frvbf_square_root_DF): New function.
2502 (frvbf_h_fr_double_get_handler): New function.
2503 (frvbf_h_fr_double_set_handler): New function.
2504 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2505
25061999-06-28 Dave Brolley <brolley@cygnus.com>
2507
2508 * decode.c,decode.h,model.c,sem.c: Regenerate.
2509
2510Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2511
2512 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2513 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2514 (frvbf_h_fr_int_set_handler): New function.
2515 (frvbf_store_multiple_FRint): New function.
2516 (frvbf_square_root_SF): New function.
2517 * frv.c (frvbf_h_fr_int_get_handler): New function.
2518 (frvbf_h_fr_int_set_handler): New function.
2519 (frvbf_store_multiple_FRint): New function.
2520 (frvbf_square_root_SF): New function.
2521 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2522
25231999-06-23 Doug Evans <devans@casey.cygnus.com>
2524
2525 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2526 to genmloop.sh. Pass -scache instead.
2527 (mloop.o): Delete sem-switch.c dependency.
2528 (sem-switch.c): Delete rule.
2529 (stamp-cpu): Don't build sem-switch.c.
2530 * sem-switch.c: Delete.
2531 * mloop.in (xfull-exec-*): Fix call to execute.
2532 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2533
2534 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2535
2536Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2537
2538 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2539
2540Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2541
2542 * mloop.in (execute): Force gr0 to zero before each insn.
2543 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2544
25451999-06-18 Doug Evans <devans@casey.cygnus.com>
2546
2547 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2548
2549Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2550
2551 * frv.c (frvbf_h_gr_get_handler): New function.
2552 (frvbf_h_gr_set_handler): New function:
2553 (frvbf_store-multiple_GR): New function:
2554 (frvbf_store-multiple_FR): New function:
2555 (frvbf_store-multiple_CPR): New function:
2556 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2557 (frvbf_h_gr_set_handler): New function:
2558 (frvbf_store-multiple_GR): New function:
2559 (frvbf_store-multiple_FR): New function:
2560 (frvbf_store-multiple_CPR): New function:
2561 * traps.c (frv_itrap): Implement proper syscalls interface.
2562 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2563
2564Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2565
2566 * traps.c (frvbf_check_non_excepting_divide): New function.
2567 (frvbf_check_recovering_store): New function.
2568 (clear_nesr_neear): New function.
2569 (clear_ne_flags): New function.
2570 (frvbf_commit): New function.
2571
2572 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2573 (frvbf_check_recovering_store): New function.
2574 (clear_nesr_neear): New function.
2575 (clear_ne_flags): New function.
2576 (frvbf_commit): New function.
2577 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2578
25791999-06-16 Dave Brolley <brolley@cygnus.com>
2580
2581 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2582 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2583 * traps.c (next_ne_index): New variable.
2584 (frvbf_check_non_excepting_load): New function.
2585 * frv-sim.h (NECR_ELOS): New macro.
2586 (NECR_NEN): New macro.
2587 (NECR_VALID): New macro.
2588 (SET_NESR_VALID): New macro.
2589 (SET_NESR_EAV): New macro.
2590 (SET_NESR_FR): New macro.
2591 (CLEAR_NESR_FR): New macro.
2592 (SET_NESR_DRN): New macro.
2593 (SET_NESR_SIZE): New macro.
2594 (SET_NESR_NEAN): New macro.
2595 (SET_NEEAR): New macro.
2596 (GET_NE_FLAG): New macro.
2597 (SET_NE_FLAG): New macro.
2598 (CLEAR_NE_FLAG): New macro.
2599 (frvbf_check_non_excepting_load): New function:
2600 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2601
2602Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2603
2604 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2605
2606Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2607
2608 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2609 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2610
2611Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2612
2613 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2614
26151999-06-07 Dave Brolley <brolley@cygnus.com>
2616
2617 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2618
2619Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2620
2621 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2622
2623Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2624
2625 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2626
2627Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2628
2629 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2630
2631Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2632
2633 * traps.c (frv_software_interrupt): Pass current_cpu to
2634 frvbf_h_psr_esr_get.
2635 (frv_software_interrupt): Calculate the new PC based on TBR.
2636 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2637
26381999-05-31 Dave Brolley <brolley@cygnus.com>
2639
2640 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2641
2642Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2643
2644 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2645 (frvbf_h_cccr_set_handler): New function.
2646 (frvbf_scan_result): New function.
2647 (frvbf_cr_logic): New function.
2648 * frv.c (frvbf_h_cccr_get_handler): New function.
2649 (frvbf_h_cccr_set_handler): New function.
2650 (frvbf_scan_result): New function.
2651 (frvbf_cr_logic): New function.
2652 (cr_ops,cr_result,cr_logic): New table.
2653 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2654
26551999-05-25 Dave Brolley <brolley@cygnus.com>
2656
2657 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2658 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2659 (frv_psr_get_handler): New function.
2660 (frv_psr_set_handler): New function.
2661 (frv_tbr_get_handler): New function.
2662 (frv_tbr_set_handler): New function.
2663 (frvbf_h_ccr_get_handler): Add support for fCC.
2664 (frvbf_h_ccr_set_handler): Add support for fCC.
2665 * frv-sim.h (frv_psr_get_handler): New function.
2666 (frv_psr_set_handler): New function.
2667 (frv_tbr_get_handler): New function.
2668 (frv_tbr_set_handler): New function.
2669 * traps.c (frv_software_interrupt): Implement.
2670 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2671
2672Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2673
2674 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2675
26761999-05-18 Dave Brolley <brolley@cygnus.com>
2677
2678 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2679 (frvbf_set_icc_for_shift_right): New function.
2680 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2681 (frvbf_set_icc_for_shift_right): New function.
2682 (SETMEMSF): New Macro.
2683 (SETMEMDF): New Macro.
2684 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2685
2686Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2687
2688 * frv.c (frvbf_h_ccr_get_handler): New function.
2689 (frvbf_h_ccr_set_handler): New function.
2690 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2691
2692Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2693
2694 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2695 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2696 * frv.c: Likewise.
2697 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2698
26991999-05-10 Dave Brolley <brolley@cygnus.com>
2700
2701 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2702
2703Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2704
2705 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2706 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2707
2708Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2709
2710 * traps.c (frv_software_interrupt): New function.
2711 (frv_itrap): New function.
2712 * frv-sim.h (TRAP_SYSCALL): define as 0.
2713 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2714
2715Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2716
2717 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2718
2719Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2720
2721 * Directory created.
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