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sim: fix unused profile_print_addr_ranges warning
[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
c5351010
DE		 12010-02-12 Doug Evans <dje@sebabeach.org>
2
3 * decode.c, * decode.h: Regenerate.
4
2310652a
DE		 52010-02-11 Doug Evans <dje@sebabeach.org>
6
7 * cpu.h, * decode.c, * model.c, * sem.c: Regenerate.
8
d2c7a1a6
DE		 92010-01-24 Doug Evans <dje@sebabeach.org>
10
11 * sem.c: Regenerate.
12
3725885a
RW		 132010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14
15 * configure: Regenerate.
16
0f51e9bf
DE		 172010-01-02 Doug Evans <dje@sebabeach.org>
18
19 * arch.c, * arch.h, * cpu.c, * cpu.h, * cpuall.h, * decode.c,
20 * decode.h, * model.c, * sem.c: Regenerate, update copyright year.
21
197fa1aa
DE		 222009-11-22 Doug Evans <dje@sebabeach.org>
23
24 * cpu.h: Regenerate.
25 * cpuall.h: Regenerate.
26 * decode.c: Regenerate.
27 * decode.h: Regenerate.
28
b29791a8
DE		 292009-11-03 Doug Evans <dje@sebabeach.org>
30
31 * arch.c: Regenerate.
32 * arch.h: Regenerate.
33 * cpu.c: Regenerate.
34 * cpu.h: Regenerate.
35 * cpuall.h: Regenerate.
36 * decode.c: Regenerate.
37 * decode.h: Regenerate.
38 * model.c: Regenerate.
39 * sem.c: Regenerate.
40
d6416cdc
RW		 412009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
42
81ecdfbb
RW		 43 * config.in: Regenerate.
44 * configure: Likewise.
45
d6416cdc
RW		 46 * configure: Regenerate.
47
7b1a2840
HPN		 482009-01-07 Hans-Peter Nilsson <hp@axis.com>
49
50 * sem.c: Regenerate.
51
bce3bbcb
HPN		 522008-12-23 Hans-Peter Nilsson <hp@axis.com>
53
54 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
55 model.c, sem.c: Regenerate.
56
b5bd9624
HPN		 572008-07-11 Hans-Peter Nilsson <hp@axis.com>
58
59 * configure: Regenerate to track ../common/common.m4 changes.
60 * config.in: Ditto.
61
6efef468
JM		 622008-06-06 Vladimir Prus <vladimir@codesourcery.com>
63 Daniel Jacobowitz <dan@codesourcery.com>
64 Joseph Myers <joseph@codesourcery.com>
65
66 * configure: Regenerate.
67
b1bfc053
HPN		 682006-12-21 Hans-Peter Nilsson <hp@axis.com>
69
70 * config.in: Regenerate.
71
e85e3205
RE		 722006-06-13 Richard Earnshaw <rearnsha@arm.com>
73
74 * configure: Regenerated.
75
2f0122dc
DJ		 762006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
77
78 * configure: Regenerated.
79
20e95c23
DJ		 802006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
81
82 * configure: Regenerated.
83
79e59fe6
DB		 842005-10-28 Dave Brolley <brolley@redhat.com>
85
86 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
87
88 Contribute the following changes:
89 2003-09-29 Dave Brolley <brolley@redhat.com>
90
91 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
92 CGEN_ATTR_VALUE_TYPE.
93 * mloop.in: Ditto.
94 * pipeline.c: Ditto.
95 * traps.c: Ditto.
96
2b193c4a
MK		 972005-03-23 Mark Kettenis <kettenis@gnu.org>
98
99 * configure: Regenerate.
100
35695fd6
AC		 1012005-01-14 Andrew Cagney <cagney@gnu.org>
102
103 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
104 explicit call to AC_CONFIG_HEADER.
105 * configure: Regenerate.
106
f0569246
AC		 1072005-01-12 Andrew Cagney <cagney@gnu.org>
108
109 * configure.ac: Update to use ../common/common.m4.
110 * configure: Re-generate.
111
38f48d72
AC		 1122005-01-11 Andrew Cagney <cagney@localhost.localdomain>
113
114 * configure: Regenerated to track ../common/aclocal.m4 changes.
115
b7026657
AC		 1162005-01-07 Andrew Cagney <cagney@gnu.org>
117
118 * configure.ac: Rename configure.in, require autoconf 2.59.
119 * configure: Re-generate.
120
379832de
HPN		 1212004-12-08 Hans-Peter Nilsson <hp@axis.com>
122
123 * configure: Regenerate for ../common/aclocal.m4 update.
124
45aa12b4
RS		 1252004-08-27 Richard Sandiford <rsandifo@redhat.com>
126
127 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
128 * cpuall.h, model.c, sem.c: Regenerated.
129
676a64f4
RS		 1302004-03-01 Richard Sandiford <rsandifo@redhat.com>
131
132 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
133 (profile-fr450.o): New dependency.
134 (stamp-cpu): Add fr450 to the list of machs.
135 * sim-frv.h (SPR_IS_ACC): New macro.
136 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
137 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
138 * frv.c (check_register_alignment, check_fr_register_alignment)
139 (check_memory_alignment, do_media_average): Likewise.
140 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
141 rather than a consecutive range.
142 * interrupts.c (frv_queue_illegal_instruction_interrupt)
143 (frv_queue_non_implemented_instruction_interrupt): Handle
144 bfd_mach_fr450.
145 * memory.c (check_data_read_address, check_readwrite_address)
146 (check_insn_read_address, check_write_address): Likewise.
147 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
148 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
149 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
150 * profile-fr450.c: New file.
151 * registers.c (fr450_spr): New array.
152 (frv_register_control_init): Check its size. Use it for fr450.
153 (frv_check_register_access): Handle bfd_mach_fr450.
154 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
155 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
156 (frvbf_media_acc_not_aligned): Likewise.
157 (frvbf_media_register_not_aligned): Likewise.
158 * arch.c: Regenerate.
159 * arch.h: Regenerate.
160 * cpu.h: Regenerate.
161 * cpuall.h: Regenerate.
162 * decode.h: Regenerate.
163 * model.c: Regenerate.
164
c7a48b9a
RS		 1652004-03-01 Richard Sandiford <rsandifo@redhat.com>
166
167 * cache.c (frv_cache_init): Change fr400 cache statistics to match
168 the fr405.
169 (non_cache_access): Add missing breaks.
170 * interrupts.c (set_exception_status_registers): Always set EAR15
171 for data_access_errors.
172 * memory.c (fr400_check_write_address): Remove redundant alignment
173 check.
174 * model.c: Regenerate.
175
8b73069f
RS		 1762004-03-01 Richard Sandiford <rsandifo@redhat.com>
177
178 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
179
8ae0baa2
RS		 1802004-03-01 Richard Sandiford <rsandifo@redhat.com>
181
182 * decode.c, decode.h, model.c, sem.c: Regenerate.
183
d74c4203
KB		 1842003-11-24 Kevin Buettner <kevinb@redhat.com>
185
186 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
187 (SPR_REGNUM_MAX): Delete.
188 * frv.c (gdb/sim-frv.h): Include.
189 (frvbf_fetch_register, frvbf_store_register): Use register number
190 constants from gdb/sim-frv.h. Check availability of general
191 purpose and float registers.
192
0b01870b
DB		 1932003-11-03 Dave Brolley <brolley@redhat.com>
194
195 * cache.c (address_interference): Check for higher priority requests
196 in the same pipeline.
197
9a29f3ca
DB		 1982003-10-31 Dave Brolley <brolley@redhat.com>
199
162cec1b 200 * frv-sim.h (LR_REGNUM): Removed.
073926e5 201 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 202 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 203 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 204 Return 0 for an unimplemented register. Return the length of the data
205 for an implemented register.
206 (frvbf_store_register): Ditto.
207
fc0a2244
AC		 2082003-10-30 Andrew Cagney <cagney@redhat.com>
209
210 * traps.c: Replace "struct symbol_cache_entry" with "struct
211 bfd_symbol".
212
29a79ca0
DB		 2132003-10-10 Dave Brolley <brolley@redhat.com>
214
215 * cpu.h, sem.c: Regenerate.
216
e930b1f5
DB		 2172003-10-06 Dave Brolley <brolley@redhat.com>
218
219 * profile-fr550.[ch]: New files.
220 * configure.in: Move frv handling to alphabetically correct placement.
221 * Makefile.in: Add fr550 support.
222 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
223 profile.[ch],registers.c,traps.c: Add fr550 support.
224 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
225 Regenerate.
226
22f367a7
DB		 2272003-09-25 Dave Brolley <brolley@redhat.com>
228
229 * reset.c (frv_initialize): Call frv_register_control_init first.
230
1c453cd6
DB		 2312003-09-24 Dave Brolley <brolley@redhat.com>
232
233 * profile.h (update_FR_ptime): New prototype.
234 (update_FRdouble_ptime): Ditto.
235 (update_SPR_ptime): Ditto.
236 (increase_ACC_busy): Ditto.
237 (enforce_full_acc_latency): Ditto.
238 (post_wait_for_SPR): Ditto.
239 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
240 (update_FRdouble_ptime): Ditto.
241 (update_SPR_ptime): New function.
242 (increase_ACC_busy): Ditto.
243 (enforce_full_acc_latency): Ditto.
244 (vliw_wait_for_fdiv_resource): Correct resource name.
245 (vliw_wait_for_fsqrt_resource): Ditto.
246 (post_wait_for_SPR): New function.
247 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
248 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
249 adjust_float_register_busy.
250 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
251 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
252 registers.
253 (frvbf_model_fr500_u_float_arith): Ditto.
254 (frvbf_model_fr500_u_float_dual_arith): Ditto.
255 (frvbf_model_fr500_u_float_div): Ditto.
256 (frvbf_model_fr500_u_float_sqrt): Ditto.
257 (frvbf_model_fr500_u_float_convert): Ditto.
258 (update_FR_ptime): Moved to profile.c
259 (update_FRdouble_ptime): Moved to profile.c
260 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
261 for other machines.
262 (update_FRdouble_ptime): Ditto.
263 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
264
153431d6
DB		 2652003-09-12 Dave Brolley <brolley@redhat.com>
266
267 * registers.c (frv_check_spr_read_access): Check for access to
268 ACC4-ACC63 and ACCG4-ACCG63.
269 * profile.h (frv-desc.h): #include it.
270 (spr_busy): New member of FRV_PROFILE_STATE.
271 (spr_latency): Ditto.
272 (GNER_FOR_GR): New macro.
273 (FNER_FOR_FR): New maccro.
274 (update_SPR_latency): New function.
275 (vliw_wait_for_SPR): New function.
93938d47 276 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 277 (update_target_latencies): Ditto.
278 (update_SPR_latency): New function.
279 (vliw_wait_for_SPR): New function.
280 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
281 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
282 (frvbf_model_fr500_u_check): Ditto.
283 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
284 (frvbf_model_fr500_u_clrfr): Ditto.
285 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
286 (frvbf_model_fr500_u_gr2spr): Ditto.
287 * frv-sim.h (H_SPR_ACC4): New macro.
288 (H_SPR_ACCG4): New macro;
289 (H_SPR_ACC0): Removed.
290 (H_SPR_ACCG0): Removed.
291 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
292
ba9c4053
DB		 2932003-09-10 Dave Brolley <brolley@redhat.com>
294
295 * profile.c (slot_names): FM1 was listed twice. Changed first
296 instance to FM0. Added IALL, FMALL and FMLOW.
297 (print_parallel): Don't examine slots with no insns.
298
f9e18f5a
DB		 2992003-09-09 Dave Brolley <brolley@redhat.com>
300
301 * frv.c (do_media_average): Select machine using a switch.
302
d89a78b6
DB		 3032003-09-08 Dave Brolley <brolley@redhat.com>
304
305 On behalf of Doug Evans <dje@sebabeach.org>
306 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
307 Remove copying of .cpu file to cgen/cpu, no longer needed.
308
d03ea14f
DB		 3092003-09-03 Dave Brolley <brolley@redhat.com>
310
311 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
312
e8d2f504
DB		 3132003-08-29 Dave Brolley <brolley@redhat.com>
314
315 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
316 temporarily when regenerating files.
317 (stamp-cpu): Ditto.
318
b34f6357
DB		 3192003-08-20 Micheal Snyder <msnyder@redhat.com>
320
321 * All generated files: Regenerate.
322
3232001-10-11 Dave Brolley <brolley@redhat.com>
324
325 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
326
3272001-10-09 Dave Brolley <brolley@redhat.com>
328
329 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
330 not set.
331 * reset.c (frv_hardware_reset): Invalidate both caches.
332 * registers.c: Update init, reset and read-only masks for all registers
333 on all machines.
334 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
335 (prev_gr_complex): New field of FRV_PROFILE_STATE
336 (set_use_is_gr_complex): New function.
337 (set_use_not_gr_complex): New function.
338 (use_is_gr_complex): New function.
339 (decrease_GR_busy): New function.
340 * profile.c (reset_gr_flags): New function.
341 (reset_cc_flags): New function.
342 (set_use_is_gr_complex): New function.
343 (set_use_not_gr_complex): New function.
344 (use_is_gr_complex): New function.
345 (update_latencies): Reset gr and cc flags when latency reaches 0.
346 (decrease_GR_busy): New function.
347 * profile-fr400.h (fr500_reset_acc_flags): Removed.
348 (fr500_reset_cc_flags): New function.
349 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
350 LSI version 1.41.
351 * profile-fr400.h (fr400_reset_gr_flags): New function.
352 (fr400_reset_fr_flags): New function.
353 (fr400_reset_acc_flags): New function.
354 * profile-fr400.c (set_use_not_media_p4): New function.
355 (set_use_not_media_p6): New function.
356 (set_acc_use_not_media_p2): New function.
357 (set_acc_use_not_media_p4): New function.
358 (fr400_reset_gr_flags): New function.
359 (fr400_reset_fr_flags): New function.
360 (fr400_reset_acc_flags): New function.
361 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
362 (frvbf_model_fr400_u_media_hilo): New function.
363 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
364 * memory.c (fr400_check_data_read_address): Check address range only
365 for double word loads. Don't check alignment here.
366 (fr400_check_readwrite_address): New function.
367 (fr500_check_readwrite_address): New function.
368 (check_readwrite_address): New function.
369 (fr500_check_insn_read_address): Correct address ranges.
370 (frvbf_read_mem_*): Check address range here.
371 (frv_address_forbidden): Removed.
372 (fr400_check_write_address): New function.
373 (check_write_address): New function.
374 (frvbf_write_mem_*): Don't check address range here.
375 (frvbf_mem_set_*): Check address range here.
376 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
377 address as second argument.
378 (frv_queue_data_access_exception_interrupt): New function.
379 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
380 media insns on fr400.
381 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
382 for media insns on fr400.
383 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
384 of insns here. Check for MTRAP insn if PSR.EM is not set.
385 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
386 set.
387 (set_exception_status_registers): Do not always set EPCR. Set EAR for
388 data_acess_error only if not fr400.
389 * frv.c (do_media_average): New function.
390 (frvbf_media_average): New function.
391 (frvbf_insn_cache_invalidate): Check for illegal invocation.
392 (frvbf_data_cache_invalidate): Ditto.
393 (frvbf_data_cache_flush): Ditto.
394 * frv-sim.h (GET_FSR_QNE): New macro.
395 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
396 (GET_MSR_SRDAV): New macro.
397 (GET_MSR_RDAV): New macro.
398 (GET_MSR_RD): New macro.
399 (frv_queue_data_access_error_interrupt): Now takes an address as second
400 argument.
401 (frv_address_forbidden): Removed.
402 * cache.c (non_cache_access): Correct address ranges. Now takes cache
403 as first argument.
404 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
405
4062001-08-20 Dave Brolley <brolley@redhat.com>
407
408 * sim-main.h (_sim_cpu): New field 'elf_flags'.
409 * sim-if.c (sim_open): Extract the elf_flags from the input file and
410 save them with each cpu.
411 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
412 last_insn_p before executing the insn.
413 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
414 insn cache.
415 (frv_cache_invalidate_all): Ditto.
416
4172001-08-20 Richard Sandiford <rsandifo@redhat.com>
418
419 * traps.c (syscall_read_mem): Flush the data cache before reading.
420 (syscall_write_mem): Flush the data cache before writing.
421 Invalidate both caches.
422
4232001-07-05 Ben Elliston <bje@redhat.com>
424
425 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
426 (stamp-cpu): Likewise.
427
4282001-05-23 Dave Brolley <brolley@redhat.com>
429
430 * profile-fr400.c (acc_use_is_media_p2): New function.
431 (frvbf_model_fr400_u_media_2): Account for latency of output
432 accumulators.
433 (frvbf_model_fr400_u_media_2_quad): Ditto.
434 (frvbf_model_fr400_u_media_2_acc): New function.
435 (frvbf_model_fr400_u_media_2_acc_dual): New function.
436 (frvbf_model_fr400_u_media_2_add_sub): New function.
437 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
438 (frvbf_model_fr400_u_media_3_dual): New function.
439 (frvbf_model_fr400_u_media_4_acc_dual): New function.
440 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
441
4422001-05-15 Dave Brolley <brolley@redhat.com>
443
444 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
445 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
446 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
447 (request_cache_flush): Save 'all' argument.
448 (request_cache_invalidate): Save all_cache_entries from profile state
449 to 'all' field of the request.
450 (submit_cache_request): Pass the 'all' field of the request to
451 frv_cache_request_invalidate.
452 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
453 operation even if HSR0.ICE is not set.
454 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
455 operation even if HSR0.DCE is not set.
456 (frv_data_cache_flush): Ditto.
457 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
458 (frv_data_cache_invalidate): Add new 'all' parameter.
459 (frv_data_cache_flush): Add new 'all' parameter.
460 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
461 (frv_cache_request_invalidate): Add new 'all' parameter.
462 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
463 its value in the invalidate request.
464 (address_interference): Accept the value '-1' for the address argument
465 to mean 'any address'.
466 (handle_req_invalidate): Handle request to invalidate all cache lines.
467 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
468
4692001-05-14 Dave Brolley <brolley@redhat.com>
470
471 * profile.h (past_first_p): New field of profiling state.
472 (branch_penalty): Ditto.
473 (branch_hint): Ditto.
474 (update_branch_penalty): New function.
475 * profile.c (frvbf_model_insn_after): Reset past_first_p and
476 branch_address fields of the profiling state.
477 (frvbf_model_branch): New function.
478 (update_branch_penalty): New function.
479 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
480 FCCi_3 inputs.
481 (frvbf_model_fr500_u_trap): New function.
482 (frvbf_model_fr500_u_check): New function.
483 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
484 cycles.
485 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
486 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
487 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
488 documented in teh fr400 LSI.
489 (frvbf_model_fr400_u_media_dual_htob): Ditto.
490 (frvbf_model_fr400_u_media_dual_unpack): Removed.
491 (frvbf_model_fr500_u_trap): New function.
492 (frvbf_model_fr500_u_check): New function.
493 * mloop.in (simulate_dual_insn_prefetch): New function.
494 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
495 arguments for each machine type.
496 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
497
4982001-05-09 Dave Brolley <brolley@redhat.com>
499
500 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
501 (profile-fr400.o): New target.
502 * profile.c: New file.
503 * profile.h: New file.
504 * profile-fr400.c: New file.
505 * profile-fr400.h: New file.
506 * profile-fr500.c: New file.
507 * profile-fr500.h: New file.
508 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
509
5102001-05-02 Dave Brolley <brolley@redhat.com>
511
512 * sim-main.h (profile.h): #include it.
513 (CPU_PROFILE_STATE): New macro.
514 (profile_state): New frv specific cpu field.
515 * reset.c (frv_initialize): insn_fetch_address and branch_address now
516 part of global profiling state.
517 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
518 (SIM_EXTRA_DEPS): Add profile.h.
519 (registers.o): Correct name of source file.
520 (profile.o): New target.
521 (profile-fr500.o): New target.
522 * frv-sim.h: Move profile related data structures to profile.h.
523 * frv.c: Move fr500 specific functions to profile-fr500.c.
524 * cpu.h: Regenerated.
525
5262001-04-27 Dave Brolley <brolley@redhat.com>
527
528 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
529 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
530 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
531 Rename PIPE_* to UNIT_*.
532 (frv_queue_illegal_instruction_interrupt): Use
533 frv_is_float_insn and frv_is_media_insn.
534 (frv_queue_non_implemented_instruction_interrupt): Ditto.
535 (frv_detect_insn_access_interrupts): Ditto.
536 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
537 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
538 * memory.c: Ditto.
539 * pipeline.c: Ditto.
540 * mloop.in: Ditto.
541 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
542 * cache.c: Rename PIPE_* to UNIT_*.
543
5442001-04-24 Dave Brolley <brolley@redhat.com>
545
546 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
547 (frvbf_load_quad_FRint): Ditto.
548 (frvbf_load_quad_CPR): Ditto.
549 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
550 machines.
551 (bfd.h): #include it.
552 (non_cache_access): Update for revised fr500 and for fr400.
553 * registers.c (frv_spr): Don't reset PSR.PS.
554 (fr500_spr): Ditto.
555 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
556
5572001-04-23 Dave Brolley <brolley@redhat.com>
558
559 * traps.c (frv_core_signal): On fr400, generate data_access_error.
560 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
561 (frvbf_media_acc_not_aligned): Ditto.
562 (frvbf_media_register_not_aligned): Ditto.
563 (frvbf_division_exception): Use GET_ISR_EDE.
564 * registers.c (frv_check_spr_read_access): New function.
565 (frv_check_spr_write_access): New function.
566 (frv_check_spr_access): Deleted.
567 (frv_check_register_access): On fr400, generate illegal_instruction.
568 * memory.c (fr400_check_data_read_address): New function.
569 (fr500_check_data_read_address): Ditto.
570 (check_data_read_address): Ditto.
571 (fr400_check_insn_read_address): Ditto.
572 (fr500_check_insn_read_address): Ditto.
573 (check_insn_read_address): Ditto.
574 (frvbf_read_mem_QI): Call check_data_read_access.
575 (frvbf_read_mem_UQI): Ditto.
576 (frvbf_read_mem_HI): Ditto.
577 (frvbf_read_mem_UHI): Ditto.
578 (frvbf_read_mem_SI): Ditto.
579 (frvbf_read_mem_DI): Ditto.
580 (frvbf_read_mem_DF): Ditto.
581 (frvbf_read_imem_USI): Call check_insn_read_access.
582 (frv_address_forbidden): Now takes cpu as first argument. Check based
583 on machine type.
584 (fr400_mem_address_unaligned): New function.
585 (fr500_mem_address_unaligned): Ditto.
586 (check_write_address): Ditto.
587 (frvbf_mem_set_QI): Call check_write_address.
588 (frvbf_mem_set_HI): Ditto.
589 (frvbf_mem_set_SI): Ditto.
590 (frvbf_mem_set_DI): Ditto.
591 (frvbf_mem_set_DF): Ditto.
592 (frvbf_mem_set_XI): Ditto.
593 * interrupts.c (bfd.h): #include it.
594 (frv_queue_data_access_error_interrupt): New function.
595 (frv_queue_instruction_access_error_interrupt): New function.
596 (frv_queue_instruction_access_exception_interrupt): New function.
597 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
598 (frv_queue_non_implemented_instruction_interrupt): Ditto.
599 (frv_detect_insn_access_interrupts): Reorder tests to match priority
600 from the LSI manual.
601 (set_isr_exception_fields): Accumulate dtt bits.
602 * frv.c (check_register_alignment): New function.
603 (check_fr_register_alignment): New function.
604 (check_memory_alignment): New function.
605 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
606 (frvbf_h_gr_double_set_handler): Ditto.
607 (frvbf_h_cpr_double_get_handler): Ditto.
608 (frvbf_h_cpr_double_set_handler): Ditto.
609 (frvbf_h_gr_quad_set_handler): Ditto.
610 (frvbf_h_cpr_quad_set_handler): Ditto.
611 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
612 (frvbf_h_fr_double_set_handler): Ditto.
613 (frvbf_h_fr_quad_set_handler): Ditto.
614 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
615 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
616 (frvbf_load_quad_GR): Call check_memory_aligment.
617 (frvbf_load_quad_FRint): Ditto.
618 (frvbf_load_quad_CPR): Ditto.
619 (frvbf_store_quad_GR): Call check_memory_aligment and
620 check_register_alignment.
621 (frvbf_store_quad_FRint): Ditto.
622 (frvbf_store_quad_CPR): Ditto.
623 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
624 * frv-sim.h (H_SPR_ACC0): New macro.
625 (H_SPR_ACC63): New macro.
626 (H_SPR_ACCG0): New macro.
627 (H_SPR_ACCG63): New macro.
628 (frv_dtt): New enumerator.
629 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
630 (GET_ISR_DTT): New macro.
631 (frv_queue_data_access_error_interrupt): New function.
632 (frv_queue_instruction_access_error_interrupt): New function.
633 (frv_queue_instruction_access_exception_interrupt): New function.
634 (frv_address_forbidden): Now takes cpu as first argument.
635 * cpu.h: Regenerate.
636
6372001-04-10 Dave Brolley <brolley@redhat.com>
638
639 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
640 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
641 (fr400_spr): Implement SPR registers for fr400.
642 (frv_register_control_init): Handle bfd_mach_fr400 properly.
643 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
644 (spr_psr_get_handler): Ditto.
645 (spr_ccr_get_handler): Ditto.
646 (spr_cccr_get_handler): Ditto.
647 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
648 * frv-sim.h: Update comment about MCCR_* macros.
649 * cpu.c,cpu.h: Regenerate.
650
6512001-04-05 Dave Brolley <brolley@redhat.com>
652
653 * cpu.h,decode.c,model.c,sem.c: Regenerate.
654
6552001-04-05 Dave Brolley <brolley@redhat.com>
656
657 * reset.c: Update copyright.
658 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
659 * frv.c (frvbf_model_fr400_u_exec): New function.
660 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
661 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
662 Regenerate.
663
6642000-11-22 Dave Brolley <brolley@redhat.com>
665
666 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
667 Regenerate.
668
6692000-11-10 Dave Brolley <brolley@redhat.com>
670
671 * decode.c: Regenerate.
672
6732000-09-12 Dave Brolley <brolley@redhat.com>
674
675 * traps.c (frv_sim_engine_halt_hook): New function.
676 (frv_itrap): Caches now invalidated in sim_engine_halt via
677 SIM_ENGINE_HALT_HOOK.
678 (frv_break): Ditto.
679 * sim-main.h (frv_sim_engine_halt_hook): New function.
680 (SIM_ENGINE_HALT_HOOK): New macro.
681 (SIM_ENGINE_RESTART_HOOK): New macro.
682 * interrupts.c: Call to frv_term now done within sim_engine_halt via
683 SIM_ENGINE_HALT_HOOK.
684
6852000-09-08 Dave Brolley <brolley@redhat.com>
686
687 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
688 respectively when stopping for a breakpoint.
689 (frv_break): Ditto.
690 * cache.h (frv_cache_invalidate_all): New function.
691 * cache.c (frv_cache_invalidate_all): New function.
692
6932000-09-05 Dave Brolley <brolley@redhat.com>
694
695 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
696 sim_handle_breakpoint. Otherwise if environment != operating call
697 sim_engine_halt. Otherwise handle normally.
698 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
699 breakpoints here. Moved to frv_break in traps.c.
700
701 * sem.c: Regenerate.
702
7032000-09-01 Dave Brolley <brolley@redhat.com>
704
705 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
706 before queuing an interrupt in order to allow 'break' to be used as
707 the breakpoint insn.
708
7092000-08-29 Dave Brolley <brolley@redhat.com>
710
711 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
712
7132000-07-27 Dave Brolley <brolley@redhat.com>
714
715 * cpu.h,decode.c: Rebuild.
716
7172000-07-26 Dave Brolley <brolley@redhat.com>
718
719 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
720 (spr_cccr_set_handler): Change CRx to CCx.
721 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
722
7232000-07-24 Dave Brolley <brolley@redhat.com>
724
725 * sem.c: Regenerate.
726 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
727 Don't write it directly.
728
729Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
730
731 * configure: Regenerated to track ../common/aclocal.m4 changes.
732
7332000-07-05 Ben Elliston <bje@redhat.com>
734
735 * configure: Regenerated to track ../common/aclocal.m4 changes.
736
7372000-06-28 Dave Brolley <brolley@redhat.com>
738
739 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
740
7412000-06-21 Dave Brolley <brolley@redhat.com>
742
743 * pipeline.c: All code except frv_pipeline_setup_insn moved to
744 frv.opc.
745 * mloop.in (main loop): frv_pipeline_add_insn broken up into
746 frv_pipeline_add_insn and frv_pipeline_setup_insn.
747 * frv-sim.h: Move pipeline status code to frv.opc.
748 * model.c: Regenerate.
749
7502000-06-12 Dave Brolley <brolley@redhat.com>
751
752 * options.c (frv_option_handler): --profile-parallel implies
753 --profile-model.
754 * mloop.in (fetch_buffer): Removed.
755 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
756 run_caches. Use cache directly if not counting cycles. Don't use
757 cache at all if not counting cycles and cache not enabled.
758 * frv.c (frv_insn_fetch_buffer): New global variable.
759 (run_caches): Monitor the status of insn prefetch requests.
760 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
761 (frv_insn_fetch_buffer): New global variable.
762
7632000-06-12 Dave Brolley <brolley@redhat.com>
764
765 * mloop.in (fetch_buffer): New static struct.
766 (@cpu@_simulate_insn_prefetch): Rewritten.
767 * cache.c (frv_cache_request_invalidate): Don't invalidate return
768 buffer.
769 (address_interference): Defer to any WAR request in either pipeline.
770
7712000-06-09 Dave Brolley <brolley@redhat.com>
772
773 * pipeline.c (insns_in_slot): New Array.
774 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
775 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
776 option.
777 (parse_cache_option): New function.
778 (frv_option_handler): Call parse_cache_option.
779 * frv.c (vliw_branch_taken): New variable.
780 (vliw_load_stall): New variable.
781 (handle_resource_wait): Update vliw_load_stall.
782 (frvbf_model_insn_before): Initialize vliw_branch_taken and
783 vliw_load_stall.
784 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
785 (load_wait_for_FR): Update vliw_load_stall.
786 (load_wait_for_GR): Update vliw_load_stall.
787 (load_wait_for_FRdouble): Update vliw_load_stall.
788 (load_wait_for_GRdouble): Update vliw_load_stall.
789 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
790 (slot_names): New static array.
791 (print_parallel): Now takes second argument 'verbose'. Print cycles per
792 VLIW insn and instructions per cycle. Also tabulate the number of insns
793 in each type of VLIW slot.
794 (frv_profile_info): Call print_parallel with new second argument.
795 * frv-sim.h (insn_in_slot): New array.
796 (COUNT_INSNS_IN_SLOT): New macro.
797 (INSNS_IN_SLOT): New macro.
798 * cache.c: Remove references to non_blocking_count. Remove references to
799 last_was_hit. Remove references to req_none.
800 (handle_req_store): Adjust statistics before requeuing the store
801 request.
802 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
803 * cache.h: Remove references to non_blocking_count. Remove references to
804 last_was_hit. Remove references to req_none.
805 * model.c: Regenerate.
806
8072000-06-08 Dave Brolley <brolley@redhat.com>
808
809 * frv.c (request_complete): Copy load data from the correct return
810 buffer.
811
8122000-06-07 Dave Brolley <brolley@redhat.com>
813
814 * traps.c (frv_core_signal): Call frv_term before exiting.
815 (frv_itrap): Call frv_term before exiting.
816 (next_available_nesr): Make sure NECR is implemented before reading it.
817 (next_valid_nesr): Ditto.
818 (frvbf_check_non_excepting_load): Ditto.
819 (frvbf_clear_ne_flags): Ditto.
820 (frvbf_commit): Ditto.
821 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
822 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
823 store_flag members.
824 (CPU_LOAD_ADDRESS): New macro.
825 (CPU_LOAD_LENGTH): New macro.
826 (CPU_LOAD_SIGNED): New macro.
827 (CPU_LOAD_LOCK): New macro.
828 * reset.c (frv_term): New function.
829 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
830 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
831 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
832 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
833 the insn. Model the insn in two passes. One before and one after
834 execution.
835 (cache_reqno): new static variable.
836 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
837 cache rather than assuming a fixed latency.
838 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
839 enabled so that modeling data is collected by cgen during execution.
840 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
841 * memory.c (data_non_cache_access): Removed.
842 (insn_non_cache_access): Removed.
843 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
844 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
845 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
846 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
847 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
848 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
849 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
850 (frvbf_read_imem_USI): Read the cache or ememory passively.
851 (frvbf_write_mem_QI): Don't check for non-cache access here.
852 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
853 (frvbf_write_mem_HI): Don't check for non-cache access here.
854 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
855 (frvbf_write_mem_SI): Don't check for non-cache access here.
856 (frvbf_write_mem_DI): Don't check for non-cache access here.
857 (frvbf_write_mem_DF): Don't check for non-cache access here.
858 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
859 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
860 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
861 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
862 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
863 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
864 * interrupts.c (check_reset): Read the cache and memory passively.
865 (frv_program_or_software_interrupt): Call frv_term before calling
866 sim_engine_halt.
867 * frv.c (all modeling functions): Break into two passes. One before
868 execuetion and one after. call load_wait_for_* for all GR and FR
869 registers.
870 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
871 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
872 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
873 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
874 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
875 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
876 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
877 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
878 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
879 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
880 (model_insn): New global variable.
881 (fr_ptime): New array.
882 (cache_request): New enumeration.
883 (CACHE_QUEUE_ELEMENT): New struct type.
884 (CACHE_QUEUE_SIZE): New macro.
885 (cache_queue): New static struct.
886 (request_cache_load): New function.
887 (request_cache_flush): New function.
888 (request_cache_invalidate): New function.
889 (request_cache_preload): New function.
890 (request_cache_unlock): New function.
891 (submit_cache_request): New function.
892 (activate_cache_requests): New function.
893 (load_pending_for_register): New function.
894 (flush_pending_for_address): New function.
895 (remove_cache_queue_element): New function.
896 (copy_load_data): New function.
897 (request_complete): New function.
898 (run_caches): New function.
899 (frv_model_trace_wait_cycles): New function.
900 (wait_for_flush): New function.
901 (frvbf_model_insn_before): Insn prefect wait now modeled in
902 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
903 wait_for_flush.
904 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
905 vliw_insns here anymore.
906 (update_FR_latency_for_load): New function.
907 (update_FRdouble_latency_for_load): New function.
908 (update_FR_ptime): New function.
909 (update_FRdouble_ptime): New function.
910 (update_GR_latency_for_swap): New function.
911 (load_wait_for_GR): New function.
912 (load_wait_for_FR): New function.
913 (load_wait_for_GRdouble): New function.
914 (load_wait_for_FRdouble): New function.
915 (frvbf_model_fr500_u_ici): New function.
916 (frvbf_model_fr500_u_dci): New function.
917 (frvbf_model_fr500_u_dcf): New function.
918 (frvbf_model_fr500_u_icpl): New function.
919 (frvbf_model_fr500_u_dcpl): New function.
920 (frvbf_model_fr500_u_icul): New function.
921 (frvbf_model_fr500_u_dcul): New function.
922 * frv-sim.h (frv_term): New function.
923 (insn_non_cache_access): Removed.
924 (FRV_COUNT_CYCLES): New macro.
925 (frv_save_peofile_model_p): New global variable.
926 (model_insn): New enumerated global variable.
927 (frv_model_advance_cycles): New function.
928 (frv_model_trace_wait_cycles): New function.
929 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
930 (FRV_CACHE_WAR_REQUEST): New struct type.
931 (FRV_CACHE_STORE_REQUEST): New struct type.
932 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
933 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
934 (FRV_CACHE_REQUEST): New struct type.
935 (FRV_CACHE_RETURN_BUFFER): New struct type.
936 (FRV_CACHE_FLUSH_STATUS): New struct type.
937 (FRV_CACHE_STATUS): New struct type.
938 (FRV_CACHE_STAGE): New struct type.
939 (FRV_CACHE_STAGES): New enumeration.
940 (FRV_CACHE_WAR): New struct type.
941 (FRV_CACHE_PIPELINE): New struct type.
942 (FRV_CACHE_ARS): New struct type.
943 (FRV_CACHE_STATISTICS): New struct type.
944 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
945 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
946 (CACHE_RETURN_DATA_ADDRESS): New macro.
947 (frv_cache_read): Now takes pipe index as second argument.
948 (frv_cache_enabled): New function.
949 (frv_cache_request_load): New function.
950 (frv_cache_request_store): New function.
951 (frv_cache_request_invalidate): New function.
952 (frv_cache_request_preload): New function.
953 (frv_cache_request_unlock): New function.
954 (frv_cache_run): New function.
955 (frv_cache_read_passive_SI): New function.
956 (frv_cache_data_in_buffer): New function.
957 (frv_cache_data_flushed): New function.
958 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
959 (frv_cache_enabled): New function.
960 (non_cache_access): New function.
961 (write_data_to_memory): Count write accesses for each mode. Write to
962 memory using sim_core_write_unaligned_1;
963 (read_data_from_memory): New function.
964 (fill_line_from_memory): Use read_data_from_memory.
965 (copy_line_to_return_buffer): New function.
966 (copy_memory_to_return_buffer): New function.
967 (set_return_buffer_reqno): New function.
968 (frv_cache_read): Now takes pipe index as second argument. Check for
969 non-cache access.
970 (frv_cache_preload): Check for non-cache access.
971 (frv_cache_unlock): Check for non-cache access.
972 (invalidate_return_buffer): New function.
973 (frv_cache_invalidate): Check for non-cache access.
974 (convert_slot_to_index): New function.
975 (FREE_CHAIN_SIZE): New macro.
976 (frv_cache_request_free_chain): New static variable.
977 (frv_store_request_free_chain): New static variable.
978 (allocate_new_cache_requests): New function.
979 (new_cache_request): New function.
980 (free_cache_request): New function.
981 (new_store_request): New function.
982 (pipeline_remove_request): New function.
983 (pipeline_add_request): New function.
984 (pipeline_requeue_request): New function.
985 (next_priority): New function.
986 (add_WAR_request): New function.
987 (pipeline_next_request): New function.
988 (pipeline_stage_request): New function.
989 (advance_pipelines): New function.
990 (frv_cache_request_load): New function.
991 (frv_cache_request_store): New function.
992 (frv_cache_request_invalidate): New function.
993 (frv_cache_request_preload): New function.
994 (frv_cache_request_unlock): New function.
995 (address_interference): New function.
996 (wait_for_WAR): New function.
997 (wait_in_WAR): New function.
998 (handle_req_load): New function.
999 (handle_req_preload): New function.
1000 (handle_req_store): New function.
1001 (handle_req_invalidate): New function.
1002 (handle_req_unlock): New function.
1003 (handle_req_WAR): New function.
1004 (arbitrate_requests): New function.
1005 (move_ARS_to_WAR): New function.
1006 (decrease_latencies): New function.
1007 (frv_cache_run): New function.
1008 (frv_cache_read_passive_SI): New function.
1009 (frv_cache_data_in_buffer): New function.
1010 (frv_cache_data_flushed): New function.
1011 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1012
1013Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
1014
1015 * configure: Regenerated to track ../common/aclocal.m4 changes.
1016
10172000-05-19 Dave Brolley <brolley@redhat.com>
1018
1019 * traps.c (frv_rett): Check for exceptions in the order specified in the
1020 architecture spec. Allow privileged_instruction interrrupt to be handled
1021 normally.
1022 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
1023 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
1024 to clear the NE flag.
1025 (frvbf_model_tomcat_u_exec): New function.
1026 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
1027 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1028 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1029
10302000-05-18 Dave Brolley <brolley@redhat.com>
1031
1032 * sim-if.c (elf-bfd.h): #include it.
1033 (sim_open): Set machine amd architecture based on elf flags.
1034
10352000-04-04 Dave Brolley <brolley@redhat.com>
1036
1037 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1038 Delete '#if 0' blocks.
1039 * frv.c: Delete '#if 0' blocks.
1040 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1041 PSR.S and PSR.ESR.
1042 (frv_h_psr_esr_set_handler): Removed.
1043 * interrupts.c: Delete '#if 0' blocks.
1044 * memory.c: Delete '#if 0' blocks.
1045 * cpu.c,cpu.h: Regenerate.
1046
10472000-04-03 Dave Brolley <brolley@redhat.com>
1048
1049 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1050 containing the target address.
1051 (clear_nesr_neear): No longer takes hi_available and lo_available.
1052 Remove bogus check for available GR registers.
1053 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1054 (frvbf_commit): Update call to clear_nesr_neear.
1055 * interrupts.c (next_available_esr): Removed.
1056 (next_available_edr): Removed.
1057 (next_available_fq): Removed.
1058 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1059 (frvbf_store_register): Remove "FIXME" comment.
1060 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1061 (UART_OUTCHAR_ADDR): Removed.
1062 (UART_STATUS_ADDR): Removed.
1063 (UART_INPUT_READY): Removed.
1064 (UART_OUTPUT_READY): Removed.
1065 (FRV_DEVICE_ADDR): Removed.
1066 (FRV_DEVICE_LEN): Removed.
1067 (SET_NESR): Call frvbf_force_update.
1068 (SET_NEEAR): Call frvbf_force_update.
1069 (SET_NE_FLAGS): Call frvbf_force_update.
1070
10712000-03-30 Dave Brolley <brolley@redhat.com>
1072
1073 * configure: Regenerated.
1074
10752000-03-30 Dave Brolley <brolley@redhat.com>
1076
1077 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1078 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1079 performing the write.
1080 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1081 queue element with the information in the interrupt state.
1082 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1083 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1084 (frv_set_interrupt_queue_slot): New function.
1085 (esr_for_data_access_exception): New function.
1086 (set_edr_register): edr_index is now passed in.
1087 (fq_for_exception): New function.
1088 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1089 element now passed in.
1090 (set_exception_status_registers): Obtain slot from interrupt queue
1091 element. Call esr_for_data_access_exception. Use ESR14
1092 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1093 (frv_save_data_written_for_interrupts): Save slot containing the insn
1094 performing the write.
1095 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1096 frv_fsr_ftt.
1097 (struct frv_interrupt_state): Add 'slot' field.
1098 (frv_set_interrupt_queue_slot): New function.
1099 (frv_set_write_queue_slot): New function.
1100
11012000-03-24 Dave Brolley <brolley@redhat.com>
1102
1103 * mloop.in (_parallel_write_init): Initialize
1104 frv_interrupt_state.imprecise_interrupt.
1105 (_parallel_write_queued): After an imprecise interrupt, only perform
1106 forced writes and floating point writes (for certain exceptions).
1107 * interrupts.c (handle_interrupt): Set
1108 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1109 interrupt.
1110 (frv_process_interrupts): No need to clear f_ne_flags.
1111 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1112 force them to happen even if there is an overflow exception.
1113 (frvbf_force_update): New function.
1114 * frv-sim.h (frvbf_force_update): New function.
1115 (struct frv_interrupt_state): Add imprecise_interrupt.
1116 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1117 * sem.c: Regenerate.
1118
11192000-03-23 Dave Brolley <brolley@redhat.com>
1120
1121 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1122 * registers.c (frv_spr): MCIRL -> MCILR.
1123 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1124 New function.
1125 (frv_detect_insn_access_interrupts):
1126 Call frv_queue_non_implemented_instruction_interrupt.
1127 (frv_process_interrupts): Clear accumulated NE flags.
1128 * frv.c (frvbf_media_cop): New function.
1129 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1130 the NE flag of the given target register.
1131 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1132 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1133 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1134 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1135 (frvbf_model_fr500_u_float_dual_convert): New function.
1136 * frv-sim.h (frvbf_media_cop): New function.
1137 (GET_FQ): Use H_SPR_FQST0.
1138 (SET_FQ): Use H_SPR_FQST0.
1139 (SET_FQ_OPC): Use J_SPR_FQOP0.
1140 (GET_MSR_EMCI): New macro.
1141 (frv_queue_non_implemented_instruction_interrupt): New function.
1142 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1143
11442000-03-08 Dave Brolley <brolley@redhat.com>
1145
1146 * traps.c (frv_rett): Align new_pc.
1147 * memory.c (frvbf_read_mem_HI): Align address.
1148 (frvbf_read_mem_UHI): Align address.
1149 (frvbf_read_mem_SI): Align address.
1150 (frvbf_read_mem_DI): Align address.
1151 (frvbf_read_mem_DF): Align address.
1152 (frvbf_read_imem_USI): Align address.
1153 (frvbf_mem_set_HI): Align address.
1154 (frvbf_mem_set_SI): Align address.
1155 (frvbf_mem_set_DI): Align address.
1156 (frvbf_mem_set_DF): Align address.
1157 (frvbf_mem_set_XI): Align address.
1158 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1159 (fr500_spr): Initialize FSR0.NS to 1.
1160 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1161 whether the exception is masked.
1162 * frv.c (frvbf_load_quad_GR): Align address.
1163 (frvbf_store_quad_GR): Align address.
1164 (frvbf_load_quad_FRint): Align address.
1165 (frvbf_store_quad_FRint): Align address.
1166 (frvbf_load_quad_CPR): Align address.
1167 (frvbf_store_quad_CPR): Align address.
1168 * frv-sim.h (GET_ISR_EMAM): New macro.
1169
11702000-03-08 Dave Brolley <brolley@redhat.com>
1171
1172 * traps.c (frvbf_division_exception): Check for masked overflow and
1173 set NE flags, if necessary.
1174 (frvbf_check_recovering_store): Queue writes to the hardware.
1175 (check_registers_available): Removed.
1176 (which_registers_available): Call frv_{fr,gr}_registers_available.
1177 (frvbf_clear_ne_flags): Call check_register_access.
1178 (frvbf_commit): Call check_register_access.
1179 * registers.h (frv_fr_registers_available): New function.
1180 (frv_gr_registers_available): New function.
1181 (frv_check_register_access): New function.
1182 (frv_check_gr_access): New function.
1183 (frv_check_fr_access): New function.
1184 * registers.c (frv_spr): Correct initial value of ISR.
1185 (fr500_spr): Correct initial value of ISR.
1186 (frv_fr_registers_available): New function.
1187 (frv_gr_registers_available): New function.
1188 (frv_check_register_access): New function.
1189 (frv_check_gr_access): New function.
1190 (frv_check_fr_access): New function.
1191 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1192 (set_isr_exception_fields): New function.
1193 (set_exception_status_registers): Set ISR fields for division exception.
1194 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1195 * frv.c (frvbf_h_gr_get_handler): New function.
1196 (frvbf_h_gr_set_handler): New function.
1197 (frvbf_h_fr_get_handler): New function.
1198 (frvbf_h_fr_set_handler): New function.
1199 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1200 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1201 (spr_isr_get_handler): Removed.
1202 (spr_isr_set_handler): Removed.
1203 (frvbf_signed_integer_divide): New funciton.
1204 (frvbf_unsigned_integer_divide): New funciton.
1205 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1206 (frvbf_h_gr_set_handler): New function.
1207 (frvbf_h_fr_get_handler): New function.
1208 (frvbf_h_fr_set_handler): New function.
1209 (frvbf_signed_integer_divide): New funciton.
1210 (frvbf_unsigned_integer_divide): New funciton.
1211 (frv_dtt): New enumeration.
1212 (struct frv_interrupt_queue_element): Add dtt member.
1213 (GET_ISR): New macro.
1214 (SET_ISR): New macro.
1215 (GET_ISR_EDEM): New macro.
1216 (SET_ISR_DTT): New macro.
1217 (SET_ISR_AEXC): New macro.
1218 (frvbf_division_exception): Add 2 'int' arguments.
1219 (frvbf_check_non_excepting_divide): Removed.
1220 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1221
12222000-02-29 Dave Brolley <brolley@redhat.com>
1223
1224 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1225 (frv_rett): Use hardware access macros. Write PSR as a whole.
1226 (next_available_nesr): Check that NECR is valid.
1227 (next_valid_nesr): Check that NECR is valid.
1228 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1229 call hardware access functions. Use cover macros.
1230 (check_registers_available): New function.
1231 (clear_nesr_near): Check register availability.
1232 (clear_ne_flags): Check register availability.
1233 (frvbf_clear_ne_flags): Check register availability.
1234 (frvbf_commit): Check register availability.
1235 (which_registers_available): New function.
1236 * sim-main.h (registers.h): #include it.
1237 (register_control): New cpu field.
1238 (CPU_REGISTER_CONTROL): New macro.
1239 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1240 (frv_power_on_reset): Initialize SPR registers and RSTR.
1241 (frv_hardware_reset): Initialize SPR registers and RSTR.
1242 (frv_software_reset): Reset SPR registers and RSTR.
1243 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1244 Call frv_cache_init.
1245 * mloop.in (main loop): Check for insn access interrupts before
1246 executing the insn.
1247 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1248 (frv_detect_insn_access_interrupts): Don't call hardware access
1249 functions directly. Use cover macros.
1250 (check_reset): Don't reset RSTR here.
1251 (next_available_esr): ESFR -> ESFR_FLAG.
1252 (next_available_edr): ESFR -> ESFR_FLAG.
1253 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1254 ESFR -> ESFR_FLAG.
1255 (frv_break_interrupt): Don't call hardware access functions directly.
1256 Use cover macros.
1257 (frv_program_or_software_interrupt): Ditto.
1258 (frv_external_interrupt): Ditto.
1259 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1260 (frvbf_store_register): Don't call 'set' functions directly.
1261 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1262 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1263 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1264 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1265 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1266 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1267 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1268 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1269 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1270 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1271 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1272 Support shadow registers.
1273 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1274 Support shadow registers.
1275 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1276 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1277 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1278 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1279 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1280 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1281 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1282 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1283 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1284 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1285 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1286 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1287 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1288 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1289 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1290 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1291 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1292 version 1.3a.
1293 (spr_ccr_get_handler): Don't reference the hardware directly.
1294 (spr_ccr_set_handler): Don't reference the hardware directly.
1295 (spr_cccr_get_handler): Don't reference the hardware directly.
1296 (spr_cccr_set_handler): Don't reference the hardware directly.
1297 (spr_sr_get_handler): New function.
1298 (spr_sr_set_handler): New function.
1299 (frvbf_switch_supervisor_user_context): Temporarily switch to
1300 supervisor mode.
1301 (frvbf_store_quad_GR): Don't call handler directly.
1302 (frvbf_store_quad_FRint): Don't call handler directly.
1303 (frvbf_store_quad_CPR): Don't call handler directly.
1304 (frvbf_clear_all_accumulators): Removed.
1305 (frvbf_clear_accumulators): New function.
1306 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1307 Account for in_ACCGi and out_ACCGk.
1308 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1309 (RSTR_SOFTWARE_RESET): New macro.
1310 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1311 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1312 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1313 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1314 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1315 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1316 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1317 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1318 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1319 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1320 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1321 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1322 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1323 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1324 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1325 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1326 (frvbf_clear_all_accumulators): Removed.
1327 (frvbf_clear_accumulators): New function.
1328 (GET_HSR0): Use GET_H_SPR.
1329 (SET_HSR0): Use SET_H_SPR.
1330 (CLEAR_HSR0_ICE): New macro.
1331 (CLEAR_HSR0_DCE): New macro.
1332 (GET_IHSR8): Use GET_H_SPR.
1333 (GET_PSR): New macro.
1334 (SET_PSR_ET): New macro.
1335 (GET_PSR_PS): New macro.
1336 (SET_PSR_S): New macro.
1337 (GET_ESFR): Changed to reference entire register.
1338 (SET_ESFR): Changed to reference entire register.
1339 (GET_ESFR_FLAG): New macro.
1340 (SET_ESFR_FLAG): New macro.
1341 (NECR_ELOS): Removed.
1342 (NECR_NEN): Removed.
1343 (NECR_VALID): Removed.
1344 (GET_NECR): New macro.
1345 (GET_NECR_ELOS): New macro.
1346 (GET_NECR_NEN): New macro.
1347 (GET_NECR_VALID): New macro.
1348 (NESR_RANGE): Removed.
1349 (GET_NESR): Use GET_H_SPR.
1350 (GET_NE_FLAGS): Use GET_H_SPR.
1351 * cache.h (CACHE_INITIALIZED): New macro.
1352 * Makefile.in (SIM_OBJS): Add registers.o.
1353 (SIM_EXTRA_DEPS): Add registers.h.
1354 (registers.o): New target.
1355 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1356
13572000-02-17 Dave Brolley <brolley@redhat.com>
1358
1359 * interrupts.c (frv_interrupt_table): Update priority order and handler
1360 offsets to conform to the architecture version 1.3a.
1361 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1362 to the architecture version 1.3a.
1363
13642000-02-17 Dave Brolley <brolley@redhat.com>
1365
1366 * interrupts.c (frv_interrupt_table): Update priority order and handler
1367 offsets to conform to the latest specifications.
1368 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1369 queued. New variable 'iclass' used to test for external interrupts.
1370 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1371 to the latest specifications.
1372
13732000-01-20 Dave Brolley <brolley@redhat.com>
1374
1375 * sim-if.c (sim_open): Move frv-specific initialization to
1376 frv_initialize in reset.c.
1377 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1378 status bits for hardware vs software reset.
1379 * reset.c: New file.
1380 * frv-sim.h (frv_initialize): New function.
1381 (frv_power_on_reset): New function.
1382 (frv_hardware_reset): New function.
1383 (frv_software_reset): New function.
1384 (RSTR_ADDRESS): New macro.
1385 (RSTR_INITIAL_VALUE): New macro.
1386 (GET_RSTR_HR): New macro.
1387 (GET_RSTR_SR): New macro.
1388 (SET_RSTR_H): New macro.
1389 (SET_RSTR_S): New macro.
1390 (CLEAR_RSTR_P): New macro.
1391 (CLEAR_RSTR_H): New macro.
1392 (CLEAR_RSTR_S): New macro.
1393 (CLEAR_RSTR_HR): New macro.
1394 (CLEAR_RSTR_SR): New macro.
1395
13962000-01-03 Dave Brolley <brolley@cygnus.com>
1397
1398 * mloop.in (execute): Only call modeling function if the pointer is not
1399 NULL.
1400 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1401 fr500.
1402
14032000-01-03 Dave Brolley <brolley@cygnus.com>
1404
1405 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1406 (frv_options): Add --memory-latency.
1407 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1408 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1409 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1410 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1411 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1412 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1413 (update_latencies): Only clear usage flags if the register has no
1414 target latency.
1415 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1416 not |= (or assgnment).
1417 (frvbf_model_insn_after): Print post processing wait for all insns.
1418 Update prev_acc_p1 and prev_acc_p2.
1419 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1420 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1421 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1422 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1423 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1424 (frvbf_model_fr500_u_media_quad_arith): New function.
1425 (frvbf_model_fr500_u_media_dual_mul): New function.
1426 (frvbf_model_fr500_u_media_quad_mul): New function.
1427 (frvbf_model_fr500_u_media_quad_complex): New function.
1428 (frvbf_model_fr500_u_media_dual_expand): New function.
1429 (frvbf_model_fr500_u_media_dual_unpack): New function.
1430 (frvbf_model_fr500_u_media_dual_btoh): New function.
1431 (frvbf_model_fr500_u_media_dual_htob): New function.
1432 (frvbf_model_fr500_u_media_dual_btohe): New function.
1433 (frv_ref_SI): New function.
1434 * cache.h (FRV_CACHE): Add memory_latency field.
1435 * cache.c (frv_cache_init): Initialize memory_latency.
1436 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1437
14381999-12-17 Dave Brolley <brolley@cygnus.com>
1439
1440 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1441 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1442 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1443 (OPTIONS_FRV_TIMER): New enumeration.
1444 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1445 (frv_option_handler): Override common implementation of -p. Handle
1446 --profile-cache, --profile-parallel, --timer.
1447 * mloop.in (execute): Call profiling functions if the timer interrupt
1448 is enabled.
1449 (@cpu@_simulate_insn_prefetch): New function.
1450 (main loop): Call @cpu@_simulate_insn_prefetch.
1451 * interrupts.c (frv_queue_interrupt): Don't queue two external
1452 interrupts of the same priority.
1453 (frv_queue_external_interrupt): New function.
1454 (frv_external_interrupt): New function.
1455 (handle_interrupt): Handle external interrupts.
1456 (check_reset): New function.
1457 (frv_process_interrupts): Call check_reset.
1458 * frv.c: Include "bfd.h"
1459 (frvbf_h_psr_get_handler): Set the PIL field.
1460 (frvbf_h_psr_set_handler): Get the PIL field.
1461 (DUAL_REG): New macro.
1462 (DUAL_DOUBLE): New macro.
1463 (SET_USE_IS_FPOP): New macro.
1464 (SET_USE_NOT_FPOP): New macro.
1465 (USE_IS_FPOP): New macro.
1466 (SET_USE_IS_MEDIA): New macro.
1467 (SET_USE_NOT_MEDIA): New macro.
1468 (USE_IS_MEDIA_P1): New macro.
1469 (SET_USE_IS_MEDIA_P1): New macro.
1470 (SET_USE_NOT_MEDIA_P1): New macro.
1471 (SET_USE_IS_MEDIA_P2): New macro.
1472 (SET_USE_NOT_MEDIA_P2): New macro.
1473 (USE_IS_MEDIA_P2): New macro.
1474 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1475 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1476 (ACC_USE_IS_MEDIA_P1): New macro.
1477 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1478 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1479 (ACC_USE_IS_MEDIA_P2): New macro.
1480 (RESOURCE_IDIV): New macro.
1481 (RESOURCE_FDIV): New macro.
1482 (RESOURCE_SQRT): New macro.
1483 (fr_busy_adjust): New array.
1484 (acc_busy_adjust): New array.
1485 (apply_latency_adjustments): New function.
1486 (update_latencies): New function.
1487 (handle_wait_cycles): New function.
1488 (handle_resource_wait): New function.
1489 (update_target_latencies): New function.
1490 (frvbf_model_insn_before): Add resource latency to cycle counts.
1491 (frvbf_model_insn_after): Add resource latency to cycle counts.
1492 (update_GR_latency): New function.
1493 (update_GRdouble_latency): New function.
1494 (update_FR_latency): New function.
1495 (update_FRdouble_latency): New function.
1496 (decrease_ACC_busy): New function.
1497 (decrease_FR_busy): New function.
1498 (increase_FR_busy): New function.
1499 (update_ACC_latency): New function.
1500 (update_CCR_latency): New function.
1501 (update_idiv_resource_latency): New function.
1502 (update_fdiv_resource_latency): New function.
1503 (update_fsqrt_resource_latency): New function.
1504 (vliw_wait_for_GR): New function.
1505 (vliw_wait_for_GRdouble): New function.
1506 (vliw_wait_for_FR): New function.
1507 (vliw_wait_for_FRdouble): New function.
1508 (vliw_wait_for_CCR): New function.
1509 (vliw_wait_for_ACC): New function.
1510 (vliw_wait_for_idiv_resource): New function.
1511 (vliw_wait_for_fdiv_resource): New function.
1512 (vliw_wait_for_fsqrt_resource): New function.
1513 (enforce_full_fr_latency): New function.
1514 (frvbf_model_fr500_u_exec): New function.
1515 (frvbf_model_fr500_u_integer): New function.
1516 (frvbf_model_fr500_u_imul): New function.
1517 (frvbf_model_fr500_u_idiv): New function.
1518 (frvbf_model_fr500_u_branch): New function.
1519 (frvbf_model_fr500_u_set_hilo): New function.
1520 (frvbf_model_fr500_u_gr_load_store): New function.
1521 (frvbf_model_fr500_u_fr_load_store): New function.
1522 (frvbf_model_fr500_u_swap): New function.
1523 (frvbf_model_fr500_u_fr2fr): New function.
1524 (frvbf_model_fr500_u_fr2gr): New function.
1525 (frvbf_model_fr500_u_spr2gr): New function.
1526 (frvbf_model_fr500_u_gr2fr): New function.
1527 (frvbf_model_fr500_u_gr2spr): New function.
1528 (post_wait_for_FR): New function.
1529 (post_wait_for_FRdouble): New function.
1530 (post_wait_for_ACC): New function.
1531 (post_wait_for_CCR): New function.
1532 (post_wait_for_fdiv): New function.
1533 (post_wait_for_fsqrt): New function.
1534 (adjust_float_register_busy): New function.
1535 (adjust_double_register_busy): New function.
1536 (restore_float_register_busy): New function.
1537 (restore_double_register_busy): New function.
1538 (frvbf_model_fr500_u_float_arith): New function.
1539 (frvbf_model_fr500_u_float_dual_arith): New function.
1540 (frvbf_model_fr500_u_float_div): New function.
1541 (frvbf_model_fr500_u_float_sqrt): New function.
1542 (frvbf_model_fr500_u_float_compare): New function.
1543 (frvbf_model_fr500_u_float_dual_compare): New function.
1544 (frvbf_model_fr500_u_float_convert): New function.
1545 (frvbf_model_fr500_u_media): New function.
1546 (frvbf_model_fr500_u_barrier): New function.
1547 (frvbf_model_fr500_u_membar): New function.
1548 * frv-sim.h (LEUINT): New macro.
1549 (GET_HSR0_SA): New macro.
1550 (struct frv_interrupt_timer): New struct.
1551 (struct frv_interrupt_state): Add timer fiield.
1552 (frv_queue_external_interrupt): New function.
1553 (frv_external_interrupt): New function.
1554 (frv_profile_info): New function.
1555 (PROFILE_CACHE_IDX): New enumerator.
1556 (PROFILE_PARALLEL_IDX): New enumerator.
1557 (PROFILE_cache): New macro.
1558 (PROFILE_parallel): New macro.
1559 (WITH_PROFILE_CACHE_P): New macro.
1560 (WITH_PROFILE_PARALLEL_P): New macro.
1561 * cache.h (FRV_CACHE): Add last_was_hit field.
1562 * cache.c (get_tag): Use new last_was_hit field.
1563 (frv_cache_read): Ditto.
1564 (frv_cache_write): Ditto.
1565 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1566
15671999-12-13 Dave Brolley <brolley@cygnus.com>
1568
1569 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1570 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1571 sim_queue_fn_di_write.
1572 (frvbf_media_cut_ss): New function.
1573 * frv-sim.h (frvbf_media_cut_ss): New function.
1574 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1575
15761999-12-13 Dave Brolley <brolley@cygnus.com>
1577
1578 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1579 no constraints.
1580 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1581 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1582 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1583 FRV_IS_MEDIA_INSN.
1584 * frv.c (frvbf_model_simple_u_exec): New function.
1585 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1586 (FRV_IS_MEDIA_INSN): Range includes M-8.
1587
1588 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1589 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1590 Regenerate.
1591
15921999-12-10 Dave Brolley <brolley@cygnus.com>
1593
1594 * traps.c (check_registers_available): New function.
1595 (clear_ne_flags): Generate register_exception if register(s) not
1596 available.
1597 (frvbf_commit): Generate register_exception if register(s) not
1598 available.
1599 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1600 GR4-GR7 to SR0-SR4.
1601 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1602 PSR.ESR.
1603 (frvbf_h_psr_s_set_handler): New function.
1604 (frvbf_h_psr_esr_set_handler): New function.
1605 (frvbf_switch_supervisor_user_context): New function.
1606 (frvbf_scan_result): Reflect latest ISA.
1607 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1608 (frvbf_h_psr_esr_set_handler): New function.
1609 (frvbf_switch_supervisor_user_context): New function.
1610 (GET_HSR0_FRN): New Macro.
1611 (GET_HSR0_GRN): New Macro.
1612 (GET_HSR0_FRHE): New Macro.
1613 (GET_HSR0_FRLE): New Macro.
1614 (GET_HSR0_GRHE): New Macro.
1615 (GET_HSR0_GRLE): New Macro.
1616 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1617 (GET_ESFR): New bit ordering.
1618 (SET_ESFR): New bit ordering.
1619 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1620
16211999-12-10 Michael Meissner <meissner@cygnus.com>
1622
1623 * Makefile.in (sim-if.o): Add eng.h dependency.
1624
16251999-12-09 Dave Brolley <brolley@cygnus.com>
1626
1627 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1628 Pass sc->last_insn_p to @cpu@_model_insn_before.
1629 (main loop): Compute sc->first_insn_p.
1630 * frv.c (frvbf_model_insn_before): Set state variables.
1631 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1632 (frvbf_model_fr500_u_integer): Remove.
1633 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1634
16351999-12-07 Dave Brolley <brolley@cygnus.com>
1636
1637 * sim-main.h (cache.h): Include it.
1638 (insn_cache): New member.
1639 (data_cache): New member.
1640 (CPU_INSN_CACHE): New macro.
1641 (CPU_DATA_CACHE): New macro.
1642 * sim-if.c (WANT_CPU): New macro.
1643 (WANT_CPU_FRVBF): New macro.
1644 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1645 data and insn caches for each cpu.
1646 (sim_close): Call frv_cache_term for the insn and data caches of each
1647 cpu.
1648 * mloop.in (extract): Read insn from the cache.
1649 (main loop): Access the insn cache in order to maintain stats.
1650 * memory.c (data_non_cache_access): New function.
1651 (insn_non_cache_access): New function.
1652 (frvbf_read_mem_QI): Attempt to read from the cache first.
1653 (frvbf_read_mem_UQI): Ditto.
1654 (frvbf_read_mem_HI): Ditto.
1655 (frvbf_read_mem_UHI): Ditto.
1656 (frvbf_read_mem_SI): Ditto.
1657 (frvbf_read_mem_DI): Ditto.
1658 (frvbf_read_mem_DF): Ditto.
1659 (frvbf_read_imem_USI): New function.
1660 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1661 (frvbf_write_mem_UQI): Ditto.
1662 (frvbf_write_mem_HI): Ditto.
1663 (frvbf_write_mem_UHI): Ditto.
1664 (frvbf_write_mem_SI): Ditto.
1665 (frvbf_write_mem_DI): Ditto.
1666 (frvbf_write_mem_DF): Ditto.
1667 (frvbf_mem_set_QI): New function.
1668 (frvbf_mem_set_HI): New function.
1669 (frvbf_mem_set_SI): New function.
1670 (frvbf_mem_set_DI): New function.
1671 (frvbf_mem_set_DF): New function.
1672 (frvbf_mem_set_XI): New function.
1673 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1674 CGEN_FN_MEM_QI_WRITE,
1675 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1676 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1677 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1678 Call sim_queue_fn_mem_xi_write.
1679 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1680 Call sim_queue_fn_mem_xi_write.
1681 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1682 Call sim_queue_fn_mem_xi_write.
1683 (frvbf_insn_cache_preload): New function.
1684 (frvbf_data_cache_preload): New function.
1685 (frvbf_insn_cache_unlock): New function.
1686 (frvbf_data_cache_unlock): New function.
1687 (frvbf_insn_cache_invalidate): New function.
1688 (frvbf_data_cache_invalidate): New function.
1689 (frvbf_data_cache_flush): New function.
1690 * frv-sim.h (sim-options.h): Include it.
1691 (GET_HSR0): New macro.
1692 (SET_HSR0): New macro.
1693 (GET_HSR0_ICE): New macro.
1694 (SET_HSR0_ICE): New macro.
1695 (GET_HSR0_DCE): New macro.
1696 (SET_HSR0_DCE): New macro.
1697 (GET_HSR0_CBM): New macro.
1698 (GET_HSR0_RME): New macro.
1699 (GET_IHSR8): New macro.
1700 (GET_IHSR8_NBC): New macro.
1701 (frvbf_insn_cache_preload): New function.
1702 (frvbf_data_cache_preload): New function.
1703 (frvbf_insn_cache_unlock): New function.
1704 (frvbf_data_cache_unlock): New function.
1705 (frvbf_insn_cache_invalidate): New function.
1706 (frvbf_data_cache_invalidate): New function.
1707 (frvbf_data_cache_flush): New function.
1708 (insn_non_cache_access): New function.
1709 (frvbf_read_imem_USI): New function.
1710 (frvbf_mem_set_QI): New function.
1711 (frvbf_mem_set_HI): New function.
1712 (frvbf_mem_set_SI): New function.
1713 (frvbf_mem_set_DI): New function.
1714 (frvbf_mem_set_DF): New function.
1715 (frvbf_mem_set_XI): New function.
1716 (frv_options): FRV specific command line options.
1717 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1718 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1719 (cache.o): New target.
1720 (options.o): New target.
1721 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1722 * cache.h: New file.
1723 * cache.c: New file.
1724 * options.c: New file.
1725
17261999-11-29 Dave Brolley <brolley@cygnus.com>
1727
1728 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1729 (frvbf_check_non_excepting_divide): Ditto.
1730 (clear_ne_flags): Ditto
1731 (frvbf_commit): Ditto.
1732 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1733 * mloop.in (_parallel_write_init): Clear NE flags here.
1734 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1735 for non excepting insns. Also check for masked interrupts here.
1736 (frv_process_interrupts): Write NE flags here.
1737 (set_fp_exception_registers): No longer check for masked interrupts
1738 here.
1739 (check_for_compound_interrupt): No need to worry about masked
1740 interrupts.
1741 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1742 (GET_NE_FLAGS): New macro.
1743 (SET_NE_FLAGS): New macro.
1744 (GET_NE_FLAG): Operate on accumulated argument.
1745 (SET_NE_FLAG): Operate on accumulated argument.
1746 (CLEAR_NE_FLAG): Operate on accumulated argument.
1747 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1748 (frv.o): Correct dependencies.
1749 (traps.o): Ditto.
1750 (pipeline.o): Ditto.
1751 (interrupts.o): Ditto.
1752 (memory.o): Ditto.
1753 * sem.c: Regenerate.
1754
17551999-11-26 Dave Brolley <brolley@cygnus.com>
1756
1757 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1758 there is an exception indicated in the mask.
1759 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1760 state when adding a floating point insn to the pipeline.
1761 * interrupts.c (set_fp_exception_registers): Set NE flag for
1762 non-excepting insns.
1763 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1764 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1765 (frvbf_h_fr_int_get_handler): New function.
1766 (frvbf_h_fr_int_set_handler): New function.
1767 (frvbf_set_ne_index): New function.
1768 (NE_NOFLAG): New macro.
1769 (frv_interrupt_state): Add ne_index member.
1770 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1771 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1772 (frvbf_h_fr_int_get_handler): New function.
1773 (frvbf_h_fr_int_set_handler): New function.
1774 (frvbf_set_ne_index): New function.
1775 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1776
17771999-11-24 Dave Brolley <brolley@cygnus.com>
1778
1779 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1780
17811999-11-23 Dave Brolley <brolley@cygnus.com>
1782
1783 * frv-sim.h (frvbf_media_cut): New function.
1784 * frv.c (frvbf_media_cut): New function.
1785 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1786
17871999-11-22 Dave Brolley <brolley@cygnus.com>
1788
1789 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1790 * frv.c.h (frvbf_clear_all_accumulators): New function.
1791 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1792
17931999-11-18 Dave Brolley <brolley@cygnus.com>
1794
1795 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1796 if this is the first insn of its class in the pipeline.
1797 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1798 * traps.c (frvbf_media_register_not_aligned): New function.
1799 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1800
18011999-11-17 Dave Brolley <brolley@cygnus.com>
1802
1803 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1804 * frv-sim.h (OR_MSR_SIE): New macro.
1805 (CLEAR_MSR_SIE): New macro.
1806 (frvbf_media_overflow): Now takes sie argument.
1807 (frv_set_mp_exception_registers): Now takes sie argument.
1808 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1809 Set MSRx.SIE field.
1810 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1811
18121999-11-15 Dave Brolley <brolley@cygnus.com>
1813
1814 * traps.c (frv_mtrap): New function.
1815 (frvbf_media_cr_not_aligned): New function.
1816 (frvbf_media_acc_not_aligned): New function.
1817 (frvbf_media_overflow): New function.
1818 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1819 * interrupts.c: Call frv_set_mp_exception_registers.
1820 (frv_set_mp_exception_registers): New function.
1821 * frv-sim.h (frv_msr_mtt): New enumeration.
1822 (GET_MSR): New macro.
1823 (SET_MSR): New macro.
1824 (GET_MSR_AOVF): New macro.
1825 (SET_MSR_AOVF): New macro.
1826 (GET_MSR_OVF): New macro.
1827 (SET_MSR_OVF): New macro.
1828 (CLEAR_MSR_OVF): New macro.
1829 (GET_MSR_MTT): New macro.
1830 (SET_MSR_MTT): New macro.
1831 (frv_set_mp_exception_registers): New function.
1832 (frv_mtrap): New function.
1833 (FRV_IS_MEDIA_INSN): New macro.
1834 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1835
18361999-11-10 Dave Brolley <brolley@cygnus.com>
1837
1838 * sim-main.h (_sim_cpu): Add debug_state member.
1839 * mloop.in (_parallel_write_queued): Clear data_written.length.
1840 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1841 handler is 0xff.
1842 (frv_queue_break_interrupt): New function.
1843 (frv_break_interrupt): New function.
1844 (handle_interrupt): Handle break_interrupt.
1845 (frv_non_operating_interrupt): Now takes interrupt_kind.
1846 * frv-sim.h (frv_queue_break_interrupt): New function.
1847 (frv_break_interrupt): New function.
1848 (frv_break): New function.
1849 (frv_non_operating_interrupt): Now takes interrupt_kind.
1850 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1851
18521999-11-09 Dave Brolley <brolley@cygnus.com>
1853
1854 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1855 a floating point insn.
1856 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1857 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1858 frv_queue_fp_exception_interrupt.
1859 (frv_queue_fp_exception_interrupt): New function.
1860 (next_available_fq): New function.
1861 (set_fp_exception_registers): New function.
1862 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1863 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1864 (frv_program_interrupt): Don't process interrupt if it is masked.
1865 * frv.c (frvbf_h_fr_double_get_handler): Call
1866 frv_queue_fp_exception_interrupt.
1867 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1868 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1869 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1870 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1871 (frv_fp_exception_info): New struct type.
1872 (frv_interrupt_queue_element): Add fp_info member.
1873 (frv_fsr_traps): New enumeration.
1874 (frv_fsr_ftt): New enumeration.
1875 (frv_sie): New enumeration.
1876 (frv_miv): New enumeration.
1877 (GET_FSR): New macro.
1878 (SET_FSR): New macro.
1879 (GET_FSR_TEM): New macro.
1880 (SET_FSR_QNE): New macro.
1881 (SET_FSR_FTT): New macro.
1882 (GET_FSR_AEXC): New macro.
1883 (SET_FSR_AEXC): New macro.
1884 (GET_FQ): New macro.
1885 (SET_FQ): New macro.
1886 (SET_FQ_OPC): New macro.
1887 (SET_FQ_MIV): New macro.
1888 (SET_FQ_SIE): New macro.
1889 (SET_FQ_FTT): New macro.
1890 (SET_FQ_CEXC): New macro.
1891 (GET_FQ_VALID): New macro.
1892 (SET_FQ_VALID): New macro.
1893 (frv_queue_fp_exception_interrupt): New function.
1894 (FRV_IS_FLOAT_INSN): New macro.
1895
18961999-11-04 Dave Brolley <brolley@cygnus.com>
1897
1898 * traps.c (frvbf_fpu_error): No floating point errors need to be
1899 detected.
1900 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1901 of the ESR registers too.
1902 (set_exception_status_registers): Don't set EAR for any precise
1903 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1904 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1905 (non_operating_interrupt): No need for return code.
1906 (frv_program_or_software_interrupt): Process interrupt regardless
1907 of operating mode. If PSR.ET was not set at the start of processing,
1908 then stop the simulation with a message.
1909 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1910 CGEN_MEM_XI_WRITE.
1911 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1912 (frvbf_h_fr_quad_set_handler): New function.
1913 (frvbf_h_cpr_quad_set_handler): New function.
1914 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1915 sim_queue_fn_xi_write.
1916 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1917 sim_queue_fn_xi_write.
1918 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1919 sim_queue_fn_xi_write.
1920 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1921 sim_queue_mem_xi_write.
1922 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1923 sim_queue_mem_xi_write.
1924 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1925 sim_queue_mem_xi_write.
1926 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1927 (frvbf_h_fr_quad_set_handler): New function.
1928 (frvbf_h_cpr_quad_set_handler): New function.
1929 (SET_ESR_VALID): New macro.
1930 (CLEAR_ESR_VALID): New macro.
1931 (CLEAR_ESR_EAV): New macro.
1932 (CLEAR_ESR_EDV): New macro.
1933 * sem.c: Regenerate.
1934
19351999-11-02 Dave Brolley <brolley@cygnus.com>
1936
1937 * traps.c (frv_core_signal): Call
1938 frv_queue_mem_address_not_aligned_interrupt.
1939 * mloop.in (_parallel_write_queued): Call
1940 frv_save_data_written_for_interrupts.
1941 * frv.c (frvbf_h_gr_double_get_handler): Call
1942 frv_queue_register_exception_interrupt.
1943 (frvbf_h_cpr_double_get_handler): Call
1944 frv_queue_register_exception_interrupt.
1945 (frvbf_h_cpr_double_set_handler): Call
1946 frv_queue_register_exception_interrupt.
1947 (frvbf_load_multiple_GR): Call
1948 frv_queue_register_exception_interrupt.
1949 (frvbf_store_multiple_GR): Call
1950 frv_queue_register_exception_interrupt.
1951 (frvbf_load_multiple_CPR): Call
1952 frv_queue_register_exception_interrupt.
1953 (frvbf_store_multiple_CPR): Call
1954 frv_queue_register_exception_interrupt.
1955 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1956 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1957 queue element.
1958 (frv_queue_program_interrupt): Now returns interrupt queue element.
1959 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1960 element.
1961 (frv_queue_interrupt): Now returns interrupt queue element.
1962 (frv_queue_register_exception_interrupt): New function.
1963 (frv_queue_mem_address_not_aligned_interrupt): New function.
1964 (frv_save_data_written_for_interrupts): New function.
1965 (next_available_edr): EDR registers available in blocks of 4.
1966 (clear_exception_status_registers): New function.
1967 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1968
1969 * frv-sim.h (struct frv_data_written): New struct type.
1970 (frv_interrupt_queue_element): Add data_written member.
1971 (frv_queue_software_interrupt): Now returns interrupt queue element.
1972 (frv_queue_program_interrupt): Now returns interrupt queue element.
1973 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1974 element.
1975 (frv_queue_interrupt): Now returns interrupt queue element.
1976 (frv_queue_register_exception_interrupt): New function.
1977 (frv_queue_mem_address_not_aligned_interrupt): New function.
1978 (frv_save_data_written_for_interrupts): New function.
1979
19801999-10-27 Dave Brolley <brolley@cygnus.com>
1981
1982 * interrupts.c (ITABLE_ENTRY): New macro.
1983 (frv_interrupt_table): Add exception codes.
1984 (next_available_esr): New function.
1985 (next_available_edr): New function.
1986 (set_edr_register): New function.
1987 (set_exception_status_registers): New function.
1988 (check_for_compound_interrupt): Record information on all interrupts
1989 found.
1990 (frv_program_interrupt): Always call check_for_compound_interrupt.
1991 * frv.c (frvbf_h_pc_set_handler): Removed.
1992 (frvbf_h_spr_get_handler): Handle LR register.
1993 (frvbf_h_spr_set_handler): Handle LR register.
1994 (frvbf_h_lr_get_handler): New function.
1995 (frvbf_h_lr_set_handler): New function.
1996 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1997 (frvbf_h_lr_set_handler): New function.
1998 (frv_ec): New enumeration.
1999 (frv_interrupt): Add frv_ec field.
2000 (frv_rec): New enumeration.
2001 (frv_daec): New enumeration.
2002 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
2003 (SET_ESR_EC): New macro.
2004 (SET_ESR_REC): New macro.
2005 (SET_ESR_IAEC): New macro.
2006 (SET_ESR_DAEC): New macro.
2007 (SET_ESR_EAV): New macro.
2008 (GET_ESR_EDV): New macro.
2009 (SET_ESR_EDV): New macro.
2010 (GET_ESR_EDN): New macro.
2011 (SET_ESR_EDN): New macro.
2012 (GET_ESR): New macro.
2013 (SET_ESR): New macro.
2014 (SET_EPCR): New macro.
2015 (SET_EAR): New macro.
2016 (SET_EDR): New macro.
2017 (GET_ESFR): New macro.
2018 (SET_ESFR): New macro.
2019 * cpu.c,cpu.h,sem.c: Rebuild.
2020
20211999-10-26 Dave Brolley <brolley@cygnus.com>
2022
2023 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
2024 if mach is frv.
2025 (clear_nesr_neear): Only execute if mach is frv.
2026
20271999-10-22 Dave Brolley <brolley@cygnus.com>
2028
2029 * sim-main.h (sim_cpu): Add pipeline.
2030 (CPU_PIPELINE): New macro.
2031 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2032 (main loop): Maintain pc in cpu.
2033 * frv-sim.h (frv_queue_software_interrupt): New interface.
2034 (frv_queue_program_interrupt): New interface.
2035 (frv_queue_illegal_instruction_interrupt: New interface.
2036 (frv_queue_interrupt): New interface.
2037 (frv_detect_insn_access_interrupts): New interface.
2038 (frv_process_interrupts): New interface.
2039 (frv_program_interrupt): New interface.
2040 (frv_software_interrupt): New interface.
2041 (frv_program_or_software_interrupt): New interface.
2042 (FRV_PIPELINE): Moved from pipline.c.
2043 (frv_pipeline_reset): New interface.
2044 (frv_pipeline_add_insn): New interface.
2045 * interrupts.c (frv_queue_software_interrupt): New interface.
2046 (frv_queue_program_interrupt): New interface.
2047 (frv_queue_illegal_instruction_interrupt: New interface.
2048 (frv_queue_interrupt): New interface.
2049 (frv_detect_insn_access_interrupts): New interface.
2050 (frv_process_interrupts): New interface.
2051 (frv_program_interrupt): New interface.
2052 (frv_software_interrupt): New interface.
2053 (frv_program_or_software_interrupt): New interface.
2054 * frv.c: Use new interfaces.
2055 * pipeline.c: Use new interfaces.
2056 * traps.c: Use new interfaces.
2057 * memory.c: Use new interfaces.
2058 (frv_address_forbidden): No longer static.
2059
20601999-10-19 Dave Brolley <brolley@cygnus.com>
2061
2062 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2063 NESR.EC.
2064 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2065 * frv.c (frvbf_h_pc_set_handler): New function.
2066 * interrupts.c (frv_detect_data_interrupt): Removed.
2067 (address_forbidden): Removed.
2068 * frv-sim.h (frv_detect_data_interrupt): Removed.
2069 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2070 (NESR_REGISTER_NOT_ALIGNED): New macro.
2071 (NESR_UQI_SIZE): New macro.
2072 (NESR_QI_SIZE): New macro.
2073 (NESR_UHI_SIZE): New macro.
2074 (NESR_HI_SIZE): New macro.
2075 (NESR_SI_SIZE): New macro.
2076 (NESR_DI_SIZE): New macro.
2077 (NESR_XI_SIZE): New macro.
2078 (GET_NESR_DAEC): New macro.
2079 (SET_NESR_DAEC): New macro.
2080 (GET_NESR_REC): New macro.
2081 (SET_NESR_REC): New macro.
2082 (GET_NESR_EC): New macro.
2083 (SET_NESR_EC): New macro.
2084 (frvbf_read_mem_QI): New function.
2085 (frvbf_read_mem_UQI): New function.
2086 (frvbf_read_mem_HI): New function.
2087 (frvbf_read_mem_UHI): New function.
2088 (frvbf_read_mem_SI): New function.
2089 (frvbf_read_mem_WI): New function.
2090 (frvbf_read_mem_DI): New function.
2091 (frvbf_read_mem_DF): New function.
2092 (frvbf_write_mem_QI): New function.
2093 (frvbf_write_mem_UQI): New function.
2094 (frvbf_write_mem_HI): New function.
2095 (frvbf_write_mem_UHI): New function.
2096 (frvbf_write_mem_SI): New function.
2097 (frvbf_write_mem_WI): New function.
2098 (frvbf_write_mem_DI): New function.
2099 (frvbf_write_mem_DF): New function.
2100 * Makefile.in (SIM_OBJS): Add memory.o.
2101 * cpu.c,cpu.h,sem.c: Rebuild.
2102
21031999-10-18 Dave Brolley <brolley@cygnus.com>
2104
2105 * sim-if.c (sim_open): Use a real fpu error function.
2106 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2107 * mloop.in (_parallel_write_queued): Clear queue after writing.
2108 * interrupts.c (check_for_compound_interrupt): New function.
2109 (non_operating_interrupt): New function.
2110 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2111 (frvbf_h_gr_double_set_handler): New function.
2112 (frvbf_h_fr_double_get_handler): New function.
2113 (frvbf_h_fr_double_set_handler): New function.
2114 (frvbf_h_cpr_double_get_handler): New function.
2115 (frvbf_h_cpr_double_set_handler): New function.
2116 (frv_interrupt_queue_element): New struct type.
2117 (frv_queue_program_interrupt): Now takes pc.
2118 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2119 (frv_queue_interrupt): Now takes pc.
2120 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2121 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2122 (frvbf_division_exception): New function.
2123 (frvbf_fpu_error): New function.
2124 (frvbf_load_multiple_GR): New function.
2125 (frvbf_load_multiple_FR): New function.
2126 (frvbf_load_multiple_CPR): New function.
2127 * frv.c (frvbf_h_gr_double_get_handler): New function.
2128 (frvbf_h_gr_double_set_handler): New function.
2129 (frvbf_h_fr_double_get_handler): New function.
2130 (frvbf_h_fr_double_set_handler): New function.
2131 (frvbf_h_cpr_double_get_handler): New function.
2132 (frvbf_h_cpr_double_set_handler): New function.
2133 (frv_interrupt_queue_element): New struct type.
2134 (frv_queue_program_interrupt): Now takes pc.
2135 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2136 (frv_queue_interrupt): Now takes pc.
2137 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2138 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2139 (frvbf_fpu_error): New function.
2140 (frvbf_load_multiple_GR): New function.
2141 (frvbf_load_multiple_FR): New function.
2142 (frvbf_load_multiple_CPR): New function.
2143 * traps.c (frvbf_division_exception): New function.
2144 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2145
21461999-10-12 Dave Brolley <brolley@cygnus.com>
2147
2148 * mloop.in (new_vpc): New variable.
2149 (main loop): Call frv_detect_insn_access_interrupts. Call
2150 frv_detect_data_interrupts.
2151 * interrupts.c (access_queued_to): New function.
2152 (frv_detect_data_interrupts): New function.
2153 (frv_detect_insn_access_interrupts): New function.
2154 (frv_program_or_software_interrupt): Set PSR.S.
2155 * frv-sim.h (frv_detect_data_interrupts): New function.
2156 (frv_detect_insn_interrupts): New function.
2157
21581999-10-07 Dave Brolley <brolley@cygnus.com>
2159
2160 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2161 (frvbf_h_gr_hi_set_handler): New function.
2162 (frvbf_h_gr_lo_get_handler): New function.
2163 (frvbf_h_gr_lo.set_handler): New function.
2164 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2165 (frvbf_h_gr_hi_set_handler): New function.
2166 (frvbf_h_gr_lo_get_handler): New function.
2167 (frvbf_h_gr_lo.set_handler): New function.
2168 (frvbf_model_fr500_u_integer): New function.
2169 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2170
21711999-10-04 Dave Brolley <brolley@cygnus.com>
2172
2173 * traps.c: Use sim_engine_abort.
2174 * pipeline.c (frv_pipeline): Add field for insn major.
2175 (add_next_to_pipe): Return address of matching pipeline.
2176 (find_major_in_pipeline): New function.
2177 (check_insn_major_constraints: New function.
2178 (frv_pipeline_add_insn): Add checks for insn major constraints.
2179 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2180 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2181
2182Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2183
2184 * pipeline.c: New file.
2185 * mloop.in (main loop): Call frv_pipeline_reset.
2186 Call frv_pipeline_add_insn.
2187 * frv-sim.h (frv_pipeline_reset): New function.
2188 (frv_pipeline_add_insn): New function.
2189 * Makefile.in (SIM_OBJS): Add pipeline.o
2190
21911999-09-29 Doug Evans <devans@casey.cygnus.com>
2192
2193 * sem.c: Rebuild.
2194 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2195 result to SEM_PC. Return vpc.
2196
2197Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2198
2199 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2200 (frv_queue_interrupt): Don't detect identical interrupts here.
2201
2202Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2203
2204 * interrupts.c: New file.
2205 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2206 (frv_software_interrupt): Moved to interrupts.c.
2207 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2208 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2209 (@cpu@_perform_writeback): New function.
2210 (main loop): Call frv_process_interrupts.
2211 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2212 (frv_itrap): New interface.
2213 (frv_interrupt_class): New enumeration.
2214 (frv_interrupt_kind): New enumeration.
2215 (struct frv_interrupt): New struct type.
2216 (frv_interrupt_table): New table of interrupt information.
2217 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2218 (struct frv_interrupt_state): New struct type.
2219 (frv_interrupt_state): New global variable.
2220 (previous_vliw_pc): New global variable.
2221 (frv_queue_software_interrupt): New function.
2222 (frv_queue_program_interrupt): New function.
2223 (frv_queue_interrupt): New function.
2224 (frv_process_interrupts): New function.
2225 (frv_program_interrupt): New function.
2226 (frv_software_interrupt): New function.
2227 (frv_program_or_software_interrupt): New function.
2228 (frv_clear_interrupt_classes): New function.
2229 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2230 * Makefile.in (SIM_OBJS): Add interrupts.o
2231 * sem.c: Rebuild.
2232
22331999-09-25 Doug Evans <devans@casey.cygnus.com>
2234
2235 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2236
2237Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2238
2239 * mloop.in (main loop): Determine last insn from scache entry.
2240 * cpu.h: Rebuild.
2241 * cpuall.h: Rebuild.
2242
2243Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2244
2245 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2246 (NECR_ELOS): Define as unshifted value.
2247 (NECR_NEN): Define as unshifted value.
2248 (NECR_VALID): Define as unshifted value.
2249 (SET_NESR): Rewite to use post-write queue.
2250 (SET_NESR_VALID): Rewite to operate on argument.
2251 (SET_NESR_EAV): Rewite to operate on argument.
2252 (SET_NESR_FR): Rewite to operate on argument.
2253 (CLEAR_NESR_FR): Rewite to operate on argument.
2254 (SET_NESR_DRN): Rewite to operate on argument.
2255 (SET_NESR_SIZE): Rewite to operate on argument.
2256 (SET_NESR_NEAN): Rewite to operate on argument.
2257 (SET_NEEAR): Rewite to use post-write queue.
2258 (SET_NE_FLAG): Rewite to use post-write queue.
2259 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2260 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2261 (frv_rett): Rewite to use post-write queue.
2262 (next_available_nesr): Rewrite to use new macro interfaces.
2263 (next_valid_nesr): Ditto.
2264 (frvbf_check_non_excepting_load): Ditto.
2265 (frvbf_check_recovering_store): Ditto.
2266 (clear_nesr_neear): Ditto.
2267 (clear_ne_flags): Ditto.
2268 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2269 when flag is set.
2270 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2271 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2272 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2273 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2274 * Makefile.in (frv.o): Depend on cgen-par.h.
2275
2276Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2277
2278 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2279 (frvbf_write_next_vliw_addr_to_LR): New flag.
2280 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2281 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2282 address of the next VLIW insn if flag is set.
2283 * cpu.h,decode.c,sem.c: Rebuild.
2284
2285Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2286
2287 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2288 * sem.c: Rebuild.
2289
22901999-09-02 Doug Evans <devans@casey.cygnus.com>
2291
2292 * configure: Regenerated to track ../common/aclocal.m4 changes.
2293
22941999-09-01 Doug Evans <devans@casey.cygnus.com>
2295
2296 * decode.c: Rebuild.
2297
2298Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2299
2300 * traps.c (frv_rett): New function.
2301 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2302 (frvbf_h_spr_set_handler): Handle bpsr.
2303 (frvbf_h_bpsr_get_handler): New function.
2304 (frvbf_h_bpsr_set_handler): New function.
2305 * frv-sim.h (frv_rett): New function.
2306 (frvbf_h_bpsr_get_handler): New function.
2307 (frvbf_h_bpsr_set_handler): New function.
2308 * mloop.in: Read actual packing bit.
2309 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2310
2311Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2312
2313 * traps.c (WANT_CPU): New macro.
2314 (WANT_CPU_FRVBF): New macro.
2315 (frvbf_check_recovering_store): Use registers for source and queue
2316 writes.
2317 * mloop.in: New main loop for parallel support.
2318 (@cpu@_parallel_write_init): New function.
2319 (@cpu@_parallel_write_queued): New function.
2320 * frv-sim.h (set_icc_for_shift_left): New interface.
2321 (set_icc_for_shift_right): New interface.
2322 (frvbf_check_recovering_store): New interface.
2323 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2324 (set_icc_for_shift_right): Pass and return icc value.
2325 (frvbf_check_recovering_store): New interface.
2326 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2327 (stamp-mloop): Add cgen parallel options.
2328 (stamp-arch): Remove with-profile option.
2329 (stamp-cpu): Add cgen parallel options.
2330 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2331
23321999-08-28 Doug Evans <devans@casey.cygnus.com>
2333
2334 * cpu.h,decode.c,sem.c: Rebuild.
2335
2336Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2337
2338 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2339
2340Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2341
2342 * configure.in: fr500 now the default model.
2343 * configure: Regenerate.
2344 * frv.c: Change frv-1 to frv-gen.
2345 (frvbf_model_fr500_u_exec): New function.
2346 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2347 * mloop.in: Fix typos in comments.
2348 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2349
23501999-08-17 Dave Brolley <brolley@cygnus.com>
2351
2352 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2353
23541999-08-09 Doug Evans <devans@casey.cygnus.com>
2355
2356 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2357
23581999-08-04 Doug Evans <devans@casey.cygnus.com>
2359
2360 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2361
2362Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2363
2364 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2365 (frvbf_store_register): Use GDB register number macros.
2366 (frvbf_cut): New function.
2367 * frv-sim.h (GR_REGNUM_MAX): New macro.
2368 (FR_REGNUM_MAX): New macro.
2369 (PC_REGNUM): New macro.
2370 (LR_REGNUM): New macro.
2371 (frvbf_cut): New function.
2372 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2373
23741999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2375
2376 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2377 add default for unhandled registers.
2378 (frvbf_store_register): Add ability to set LR register.
2379
23801999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2381
2382 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2383 (decode_gdb_dr_regnum): Remove, not used.
2384
23851999-07-13 Michael Meissner <meissner@cygnus.com>
2386
2387 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2388
2389 * configure.in (--enable-sim-trapdump): New switch to make unknown
2390 traps dump the register contents, instead of doing the trap thing.
2391 * configure: Regenerate.
2392
2393 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2394 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2395 temporarily.
2396
2397 * traps.h (toplevel): Include bfd.h, libiberity.h.
2398 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2399 dumping the registers.
2400
2401Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2402
2403 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2404
2405Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2406
2407 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2408
2409Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2410
2411 * frv.c (frvbf_square_root_SF): Removed.
2412 (frvbf_square_root_DF): Removed.
2413 (frvbf_h_fr_double_get_handler): Removed.
2414 (frvbf_h_fr_double_set_handler): Removed.
2415 (frvbf_h_fr_int_get_handler): Removed.
2416 (frvbf_h_fr_int_set_handler): Removed.
2417 * frv-sim.h (frvbf_square_root_SF): Removed.
2418 (frvbf_square_root_DF): Removed.
2419 (frvbf_h_fr_double_get_handler): Removed.
2420 (frvbf_h_fr_double_set_handler): Removed.
2421 (frvbf_h_fr_int_get_handler): Removed.
2422 (frvbf_h_fr_int_set_handler): Removed.
2423 * decode.c,decode.h,model.c,sem.c: Rebuild.
2424
24251999-07-05 Doug Evans <devans@casey.cygnus.com>
2426
2427 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2428 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2429 * sim-if.c (sim_open): Initialize fpu.
2430 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2431 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2432 with frvbf_h_fr_get.
2433
2434Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2435
2436 * frv-sim.h (NESR_RANGE): New macro.
2437 (NO_NESR): New macro.
2438 (GET_NESR_VALID): New macro.
2439 (next_ne_index): Removed.
2440 * traps.c (next_available_nesr): New function.
2441 (next_valid_nesr): New function.
2442 (frvbf_check_non_excepting_load): Use next_available_nesr.
2443 (frvbf_check_recovering_store): Use next_available_nesr and
2444 next_valid_nesr.
2445 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2446 (frvbf_check_recovering_store): Only consider one matching register.
2447 * sem.c: Rebuild.
2448
2449Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2450
2451 * frv.c (frvbf_square_root_SF): New function.
2452 (frvbf_square_root_DF): New function.
2453 (frvbf_h_fr_double_get_handler): New function.
2454 (frvbf_h_fr_double_set_handler): New function.
2455 * frv-sim.h (frvbf_square_root_SF): New function.
2456 (frvbf_square_root_DF): New function.
2457 (frvbf_h_fr_double_get_handler): New function.
2458 (frvbf_h_fr_double_set_handler): New function.
2459 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2460
24611999-06-28 Dave Brolley <brolley@cygnus.com>
2462
2463 * decode.c,decode.h,model.c,sem.c: Regenerate.
2464
2465Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2466
2467 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2468 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2469 (frvbf_h_fr_int_set_handler): New function.
2470 (frvbf_store_multiple_FRint): New function.
2471 (frvbf_square_root_SF): New function.
2472 * frv.c (frvbf_h_fr_int_get_handler): New function.
2473 (frvbf_h_fr_int_set_handler): New function.
2474 (frvbf_store_multiple_FRint): New function.
2475 (frvbf_square_root_SF): New function.
2476 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2477
24781999-06-23 Doug Evans <devans@casey.cygnus.com>
2479
2480 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2481 to genmloop.sh. Pass -scache instead.
2482 (mloop.o): Delete sem-switch.c dependency.
2483 (sem-switch.c): Delete rule.
2484 (stamp-cpu): Don't build sem-switch.c.
2485 * sem-switch.c: Delete.
2486 * mloop.in (xfull-exec-*): Fix call to execute.
2487 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2488
2489 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2490
2491Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2492
2493 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2494
2495Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2496
2497 * mloop.in (execute): Force gr0 to zero before each insn.
2498 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2499
25001999-06-18 Doug Evans <devans@casey.cygnus.com>
2501
2502 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2503
2504Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2505
2506 * frv.c (frvbf_h_gr_get_handler): New function.
2507 (frvbf_h_gr_set_handler): New function:
2508 (frvbf_store-multiple_GR): New function:
2509 (frvbf_store-multiple_FR): New function:
2510 (frvbf_store-multiple_CPR): New function:
2511 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2512 (frvbf_h_gr_set_handler): New function:
2513 (frvbf_store-multiple_GR): New function:
2514 (frvbf_store-multiple_FR): New function:
2515 (frvbf_store-multiple_CPR): New function:
2516 * traps.c (frv_itrap): Implement proper syscalls interface.
2517 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2518
2519Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2520
2521 * traps.c (frvbf_check_non_excepting_divide): New function.
2522 (frvbf_check_recovering_store): New function.
2523 (clear_nesr_neear): New function.
2524 (clear_ne_flags): New function.
2525 (frvbf_commit): New function.
2526
2527 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2528 (frvbf_check_recovering_store): New function.
2529 (clear_nesr_neear): New function.
2530 (clear_ne_flags): New function.
2531 (frvbf_commit): New function.
2532 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2533
25341999-06-16 Dave Brolley <brolley@cygnus.com>
2535
2536 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2537 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2538 * traps.c (next_ne_index): New variable.
2539 (frvbf_check_non_excepting_load): New function.
2540 * frv-sim.h (NECR_ELOS): New macro.
2541 (NECR_NEN): New macro.
2542 (NECR_VALID): New macro.
2543 (SET_NESR_VALID): New macro.
2544 (SET_NESR_EAV): New macro.
2545 (SET_NESR_FR): New macro.
2546 (CLEAR_NESR_FR): New macro.
2547 (SET_NESR_DRN): New macro.
2548 (SET_NESR_SIZE): New macro.
2549 (SET_NESR_NEAN): New macro.
2550 (SET_NEEAR): New macro.
2551 (GET_NE_FLAG): New macro.
2552 (SET_NE_FLAG): New macro.
2553 (CLEAR_NE_FLAG): New macro.
2554 (frvbf_check_non_excepting_load): New function:
2555 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2556
2557Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2558
2559 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2560
2561Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2562
2563 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2564 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2565
2566Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2567
2568 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2569
25701999-06-07 Dave Brolley <brolley@cygnus.com>
2571
2572 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2573
2574Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2575
2576 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2577
2578Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2579
2580 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2581
2582Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2583
2584 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2585
2586Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2587
2588 * traps.c (frv_software_interrupt): Pass current_cpu to
2589 frvbf_h_psr_esr_get.
2590 (frv_software_interrupt): Calculate the new PC based on TBR.
2591 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2592
25931999-05-31 Dave Brolley <brolley@cygnus.com>
2594
2595 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2596
2597Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2598
2599 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2600 (frvbf_h_cccr_set_handler): New function.
2601 (frvbf_scan_result): New function.
2602 (frvbf_cr_logic): New function.
2603 * frv.c (frvbf_h_cccr_get_handler): New function.
2604 (frvbf_h_cccr_set_handler): New function.
2605 (frvbf_scan_result): New function.
2606 (frvbf_cr_logic): New function.
2607 (cr_ops,cr_result,cr_logic): New table.
2608 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2609
26101999-05-25 Dave Brolley <brolley@cygnus.com>
2611
2612 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2613 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2614 (frv_psr_get_handler): New function.
2615 (frv_psr_set_handler): New function.
2616 (frv_tbr_get_handler): New function.
2617 (frv_tbr_set_handler): New function.
2618 (frvbf_h_ccr_get_handler): Add support for fCC.
2619 (frvbf_h_ccr_set_handler): Add support for fCC.
2620 * frv-sim.h (frv_psr_get_handler): New function.
2621 (frv_psr_set_handler): New function.
2622 (frv_tbr_get_handler): New function.
2623 (frv_tbr_set_handler): New function.
2624 * traps.c (frv_software_interrupt): Implement.
2625 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2626
2627Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2628
2629 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2630
26311999-05-18 Dave Brolley <brolley@cygnus.com>
2632
2633 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2634 (frvbf_set_icc_for_shift_right): New function.
2635 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2636 (frvbf_set_icc_for_shift_right): New function.
2637 (SETMEMSF): New Macro.
2638 (SETMEMDF): New Macro.
2639 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2640
2641Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2642
2643 * frv.c (frvbf_h_ccr_get_handler): New function.
2644 (frvbf_h_ccr_set_handler): New function.
2645 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2646
2647Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2648
2649 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2650 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2651 * frv.c: Likewise.
2652 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2653
26541999-05-10 Dave Brolley <brolley@cygnus.com>
2655
2656 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2657
2658Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2659
2660 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2661 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2662
2663Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2664
2665 * traps.c (frv_software_interrupt): New function.
2666 (frv_itrap): New function.
2667 * frv-sim.h (TRAP_SYSCALL): define as 0.
2668 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2669
2670Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2671
2672 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2673
2674Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2675
2676 * Directory created.
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