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[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
b1bfc053
HPN		 12006-12-21 Hans-Peter Nilsson <hp@axis.com>
2
3 * config.in: Regenerate.
4
e85e3205
RE		 52006-06-13 Richard Earnshaw <rearnsha@arm.com>
6
7 * configure: Regenerated.
8
2f0122dc
DJ		 92006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
10
11 * configure: Regenerated.
12
20e95c23
DJ		 132006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
14
15 * configure: Regenerated.
16
79e59fe6
DB		 172005-10-28 Dave Brolley <brolley@redhat.com>
18
19 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
20
21 Contribute the following changes:
22 2003-09-29 Dave Brolley <brolley@redhat.com>
23
24 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
25 CGEN_ATTR_VALUE_TYPE.
26 * mloop.in: Ditto.
27 * pipeline.c: Ditto.
28 * traps.c: Ditto.
29
2b193c4a
MK		 302005-03-23 Mark Kettenis <kettenis@gnu.org>
31
32 * configure: Regenerate.
33
35695fd6
AC		 342005-01-14 Andrew Cagney <cagney@gnu.org>
35
36 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
37 explicit call to AC_CONFIG_HEADER.
38 * configure: Regenerate.
39
f0569246
AC		 402005-01-12 Andrew Cagney <cagney@gnu.org>
41
42 * configure.ac: Update to use ../common/common.m4.
43 * configure: Re-generate.
44
38f48d72
AC		 452005-01-11 Andrew Cagney <cagney@localhost.localdomain>
46
47 * configure: Regenerated to track ../common/aclocal.m4 changes.
48
b7026657
AC		 492005-01-07 Andrew Cagney <cagney@gnu.org>
50
51 * configure.ac: Rename configure.in, require autoconf 2.59.
52 * configure: Re-generate.
53
379832de
HPN		 542004-12-08 Hans-Peter Nilsson <hp@axis.com>
55
56 * configure: Regenerate for ../common/aclocal.m4 update.
57
45aa12b4
RS		 582004-08-27 Richard Sandiford <rsandifo@redhat.com>
59
60 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
61 * cpuall.h, model.c, sem.c: Regenerated.
62
676a64f4
RS		 632004-03-01 Richard Sandiford <rsandifo@redhat.com>
64
65 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
66 (profile-fr450.o): New dependency.
67 (stamp-cpu): Add fr450 to the list of machs.
68 * sim-frv.h (SPR_IS_ACC): New macro.
69 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
70 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
71 * frv.c (check_register_alignment, check_fr_register_alignment)
72 (check_memory_alignment, do_media_average): Likewise.
73 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
74 rather than a consecutive range.
75 * interrupts.c (frv_queue_illegal_instruction_interrupt)
76 (frv_queue_non_implemented_instruction_interrupt): Handle
77 bfd_mach_fr450.
78 * memory.c (check_data_read_address, check_readwrite_address)
79 (check_insn_read_address, check_write_address): Likewise.
80 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
81 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
82 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
83 * profile-fr450.c: New file.
84 * registers.c (fr450_spr): New array.
85 (frv_register_control_init): Check its size. Use it for fr450.
86 (frv_check_register_access): Handle bfd_mach_fr450.
87 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
88 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
89 (frvbf_media_acc_not_aligned): Likewise.
90 (frvbf_media_register_not_aligned): Likewise.
91 * arch.c: Regenerate.
92 * arch.h: Regenerate.
93 * cpu.h: Regenerate.
94 * cpuall.h: Regenerate.
95 * decode.h: Regenerate.
96 * model.c: Regenerate.
97
c7a48b9a
RS		 982004-03-01 Richard Sandiford <rsandifo@redhat.com>
99
100 * cache.c (frv_cache_init): Change fr400 cache statistics to match
101 the fr405.
102 (non_cache_access): Add missing breaks.
103 * interrupts.c (set_exception_status_registers): Always set EAR15
104 for data_access_errors.
105 * memory.c (fr400_check_write_address): Remove redundant alignment
106 check.
107 * model.c: Regenerate.
108
8b73069f
RS		 1092004-03-01 Richard Sandiford <rsandifo@redhat.com>
110
111 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
112
8ae0baa2
RS		 1132004-03-01 Richard Sandiford <rsandifo@redhat.com>
114
115 * decode.c, decode.h, model.c, sem.c: Regenerate.
116
d74c4203
KB		 1172003-11-24 Kevin Buettner <kevinb@redhat.com>
118
119 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
120 (SPR_REGNUM_MAX): Delete.
121 * frv.c (gdb/sim-frv.h): Include.
122 (frvbf_fetch_register, frvbf_store_register): Use register number
123 constants from gdb/sim-frv.h. Check availability of general
124 purpose and float registers.
125
0b01870b
DB		 1262003-11-03 Dave Brolley <brolley@redhat.com>
127
128 * cache.c (address_interference): Check for higher priority requests
129 in the same pipeline.
130
9a29f3ca
DB		 1312003-10-31 Dave Brolley <brolley@redhat.com>
132
162cec1b 133 * frv-sim.h (LR_REGNUM): Removed.
073926e5 134 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 135 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 136 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 137 Return 0 for an unimplemented register. Return the length of the data
138 for an implemented register.
139 (frvbf_store_register): Ditto.
140
fc0a2244
AC		 1412003-10-30 Andrew Cagney <cagney@redhat.com>
142
143 * traps.c: Replace "struct symbol_cache_entry" with "struct
144 bfd_symbol".
145
29a79ca0
DB		 1462003-10-10 Dave Brolley <brolley@redhat.com>
147
148 * cpu.h, sem.c: Regenerate.
149
e930b1f5
DB		 1502003-10-06 Dave Brolley <brolley@redhat.com>
151
152 * profile-fr550.[ch]: New files.
153 * configure.in: Move frv handling to alphabetically correct placement.
154 * Makefile.in: Add fr550 support.
155 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
156 profile.[ch],registers.c,traps.c: Add fr550 support.
157 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
158 Regenerate.
159
22f367a7
DB		 1602003-09-25 Dave Brolley <brolley@redhat.com>
161
162 * reset.c (frv_initialize): Call frv_register_control_init first.
163
1c453cd6
DB		 1642003-09-24 Dave Brolley <brolley@redhat.com>
165
166 * profile.h (update_FR_ptime): New prototype.
167 (update_FRdouble_ptime): Ditto.
168 (update_SPR_ptime): Ditto.
169 (increase_ACC_busy): Ditto.
170 (enforce_full_acc_latency): Ditto.
171 (post_wait_for_SPR): Ditto.
172 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
173 (update_FRdouble_ptime): Ditto.
174 (update_SPR_ptime): New function.
175 (increase_ACC_busy): Ditto.
176 (enforce_full_acc_latency): Ditto.
177 (vliw_wait_for_fdiv_resource): Correct resource name.
178 (vliw_wait_for_fsqrt_resource): Ditto.
179 (post_wait_for_SPR): New function.
180 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
181 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
182 adjust_float_register_busy.
183 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
184 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
185 registers.
186 (frvbf_model_fr500_u_float_arith): Ditto.
187 (frvbf_model_fr500_u_float_dual_arith): Ditto.
188 (frvbf_model_fr500_u_float_div): Ditto.
189 (frvbf_model_fr500_u_float_sqrt): Ditto.
190 (frvbf_model_fr500_u_float_convert): Ditto.
191 (update_FR_ptime): Moved to profile.c
192 (update_FRdouble_ptime): Moved to profile.c
193 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
194 for other machines.
195 (update_FRdouble_ptime): Ditto.
196 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
197
153431d6
DB		 1982003-09-12 Dave Brolley <brolley@redhat.com>
199
200 * registers.c (frv_check_spr_read_access): Check for access to
201 ACC4-ACC63 and ACCG4-ACCG63.
202 * profile.h (frv-desc.h): #include it.
203 (spr_busy): New member of FRV_PROFILE_STATE.
204 (spr_latency): Ditto.
205 (GNER_FOR_GR): New macro.
206 (FNER_FOR_FR): New maccro.
207 (update_SPR_latency): New function.
208 (vliw_wait_for_SPR): New function.
93938d47 209 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 210 (update_target_latencies): Ditto.
211 (update_SPR_latency): New function.
212 (vliw_wait_for_SPR): New function.
213 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
214 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
215 (frvbf_model_fr500_u_check): Ditto.
216 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
217 (frvbf_model_fr500_u_clrfr): Ditto.
218 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
219 (frvbf_model_fr500_u_gr2spr): Ditto.
220 * frv-sim.h (H_SPR_ACC4): New macro.
221 (H_SPR_ACCG4): New macro;
222 (H_SPR_ACC0): Removed.
223 (H_SPR_ACCG0): Removed.
224 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
225
ba9c4053
DB		 2262003-09-10 Dave Brolley <brolley@redhat.com>
227
228 * profile.c (slot_names): FM1 was listed twice. Changed first
229 instance to FM0. Added IALL, FMALL and FMLOW.
230 (print_parallel): Don't examine slots with no insns.
231
f9e18f5a
DB		 2322003-09-09 Dave Brolley <brolley@redhat.com>
233
234 * frv.c (do_media_average): Select machine using a switch.
235
d89a78b6
DB		 2362003-09-08 Dave Brolley <brolley@redhat.com>
237
238 On behalf of Doug Evans <dje@sebabeach.org>
239 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
240 Remove copying of .cpu file to cgen/cpu, no longer needed.
241
d03ea14f
DB		 2422003-09-03 Dave Brolley <brolley@redhat.com>
243
244 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
245
e8d2f504
DB		 2462003-08-29 Dave Brolley <brolley@redhat.com>
247
248 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
249 temporarily when regenerating files.
250 (stamp-cpu): Ditto.
251
b34f6357
DB		 2522003-08-20 Micheal Snyder <msnyder@redhat.com>
253
254 * All generated files: Regenerate.
255
2562001-10-11 Dave Brolley <brolley@redhat.com>
257
258 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
259
2602001-10-09 Dave Brolley <brolley@redhat.com>
261
262 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
263 not set.
264 * reset.c (frv_hardware_reset): Invalidate both caches.
265 * registers.c: Update init, reset and read-only masks for all registers
266 on all machines.
267 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
268 (prev_gr_complex): New field of FRV_PROFILE_STATE
269 (set_use_is_gr_complex): New function.
270 (set_use_not_gr_complex): New function.
271 (use_is_gr_complex): New function.
272 (decrease_GR_busy): New function.
273 * profile.c (reset_gr_flags): New function.
274 (reset_cc_flags): New function.
275 (set_use_is_gr_complex): New function.
276 (set_use_not_gr_complex): New function.
277 (use_is_gr_complex): New function.
278 (update_latencies): Reset gr and cc flags when latency reaches 0.
279 (decrease_GR_busy): New function.
280 * profile-fr400.h (fr500_reset_acc_flags): Removed.
281 (fr500_reset_cc_flags): New function.
282 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
283 LSI version 1.41.
284 * profile-fr400.h (fr400_reset_gr_flags): New function.
285 (fr400_reset_fr_flags): New function.
286 (fr400_reset_acc_flags): New function.
287 * profile-fr400.c (set_use_not_media_p4): New function.
288 (set_use_not_media_p6): New function.
289 (set_acc_use_not_media_p2): New function.
290 (set_acc_use_not_media_p4): New function.
291 (fr400_reset_gr_flags): New function.
292 (fr400_reset_fr_flags): New function.
293 (fr400_reset_acc_flags): New function.
294 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
295 (frvbf_model_fr400_u_media_hilo): New function.
296 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
297 * memory.c (fr400_check_data_read_address): Check address range only
298 for double word loads. Don't check alignment here.
299 (fr400_check_readwrite_address): New function.
300 (fr500_check_readwrite_address): New function.
301 (check_readwrite_address): New function.
302 (fr500_check_insn_read_address): Correct address ranges.
303 (frvbf_read_mem_*): Check address range here.
304 (frv_address_forbidden): Removed.
305 (fr400_check_write_address): New function.
306 (check_write_address): New function.
307 (frvbf_write_mem_*): Don't check address range here.
308 (frvbf_mem_set_*): Check address range here.
309 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
310 address as second argument.
311 (frv_queue_data_access_exception_interrupt): New function.
312 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
313 media insns on fr400.
314 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
315 for media insns on fr400.
316 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
317 of insns here. Check for MTRAP insn if PSR.EM is not set.
318 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
319 set.
320 (set_exception_status_registers): Do not always set EPCR. Set EAR for
321 data_acess_error only if not fr400.
322 * frv.c (do_media_average): New function.
323 (frvbf_media_average): New function.
324 (frvbf_insn_cache_invalidate): Check for illegal invocation.
325 (frvbf_data_cache_invalidate): Ditto.
326 (frvbf_data_cache_flush): Ditto.
327 * frv-sim.h (GET_FSR_QNE): New macro.
328 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
329 (GET_MSR_SRDAV): New macro.
330 (GET_MSR_RDAV): New macro.
331 (GET_MSR_RD): New macro.
332 (frv_queue_data_access_error_interrupt): Now takes an address as second
333 argument.
334 (frv_address_forbidden): Removed.
335 * cache.c (non_cache_access): Correct address ranges. Now takes cache
336 as first argument.
337 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
338
3392001-08-20 Dave Brolley <brolley@redhat.com>
340
341 * sim-main.h (_sim_cpu): New field 'elf_flags'.
342 * sim-if.c (sim_open): Extract the elf_flags from the input file and
343 save them with each cpu.
344 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
345 last_insn_p before executing the insn.
346 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
347 insn cache.
348 (frv_cache_invalidate_all): Ditto.
349
3502001-08-20 Richard Sandiford <rsandifo@redhat.com>
351
352 * traps.c (syscall_read_mem): Flush the data cache before reading.
353 (syscall_write_mem): Flush the data cache before writing.
354 Invalidate both caches.
355
3562001-07-05 Ben Elliston <bje@redhat.com>
357
358 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
359 (stamp-cpu): Likewise.
360
3612001-05-23 Dave Brolley <brolley@redhat.com>
362
363 * profile-fr400.c (acc_use_is_media_p2): New function.
364 (frvbf_model_fr400_u_media_2): Account for latency of output
365 accumulators.
366 (frvbf_model_fr400_u_media_2_quad): Ditto.
367 (frvbf_model_fr400_u_media_2_acc): New function.
368 (frvbf_model_fr400_u_media_2_acc_dual): New function.
369 (frvbf_model_fr400_u_media_2_add_sub): New function.
370 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
371 (frvbf_model_fr400_u_media_3_dual): New function.
372 (frvbf_model_fr400_u_media_4_acc_dual): New function.
373 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
374
3752001-05-15 Dave Brolley <brolley@redhat.com>
376
377 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
378 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
379 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
380 (request_cache_flush): Save 'all' argument.
381 (request_cache_invalidate): Save all_cache_entries from profile state
382 to 'all' field of the request.
383 (submit_cache_request): Pass the 'all' field of the request to
384 frv_cache_request_invalidate.
385 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
386 operation even if HSR0.ICE is not set.
387 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
388 operation even if HSR0.DCE is not set.
389 (frv_data_cache_flush): Ditto.
390 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
391 (frv_data_cache_invalidate): Add new 'all' parameter.
392 (frv_data_cache_flush): Add new 'all' parameter.
393 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
394 (frv_cache_request_invalidate): Add new 'all' parameter.
395 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
396 its value in the invalidate request.
397 (address_interference): Accept the value '-1' for the address argument
398 to mean 'any address'.
399 (handle_req_invalidate): Handle request to invalidate all cache lines.
400 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
401
4022001-05-14 Dave Brolley <brolley@redhat.com>
403
404 * profile.h (past_first_p): New field of profiling state.
405 (branch_penalty): Ditto.
406 (branch_hint): Ditto.
407 (update_branch_penalty): New function.
408 * profile.c (frvbf_model_insn_after): Reset past_first_p and
409 branch_address fields of the profiling state.
410 (frvbf_model_branch): New function.
411 (update_branch_penalty): New function.
412 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
413 FCCi_3 inputs.
414 (frvbf_model_fr500_u_trap): New function.
415 (frvbf_model_fr500_u_check): New function.
416 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
417 cycles.
418 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
419 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
420 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
421 documented in teh fr400 LSI.
422 (frvbf_model_fr400_u_media_dual_htob): Ditto.
423 (frvbf_model_fr400_u_media_dual_unpack): Removed.
424 (frvbf_model_fr500_u_trap): New function.
425 (frvbf_model_fr500_u_check): New function.
426 * mloop.in (simulate_dual_insn_prefetch): New function.
427 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
428 arguments for each machine type.
429 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
430
4312001-05-09 Dave Brolley <brolley@redhat.com>
432
433 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
434 (profile-fr400.o): New target.
435 * profile.c: New file.
436 * profile.h: New file.
437 * profile-fr400.c: New file.
438 * profile-fr400.h: New file.
439 * profile-fr500.c: New file.
440 * profile-fr500.h: New file.
441 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
442
4432001-05-02 Dave Brolley <brolley@redhat.com>
444
445 * sim-main.h (profile.h): #include it.
446 (CPU_PROFILE_STATE): New macro.
447 (profile_state): New frv specific cpu field.
448 * reset.c (frv_initialize): insn_fetch_address and branch_address now
449 part of global profiling state.
450 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
451 (SIM_EXTRA_DEPS): Add profile.h.
452 (registers.o): Correct name of source file.
453 (profile.o): New target.
454 (profile-fr500.o): New target.
455 * frv-sim.h: Move profile related data structures to profile.h.
456 * frv.c: Move fr500 specific functions to profile-fr500.c.
457 * cpu.h: Regenerated.
458
4592001-04-27 Dave Brolley <brolley@redhat.com>
460
461 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
462 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
463 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
464 Rename PIPE_* to UNIT_*.
465 (frv_queue_illegal_instruction_interrupt): Use
466 frv_is_float_insn and frv_is_media_insn.
467 (frv_queue_non_implemented_instruction_interrupt): Ditto.
468 (frv_detect_insn_access_interrupts): Ditto.
469 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
470 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
471 * memory.c: Ditto.
472 * pipeline.c: Ditto.
473 * mloop.in: Ditto.
474 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
475 * cache.c: Rename PIPE_* to UNIT_*.
476
4772001-04-24 Dave Brolley <brolley@redhat.com>
478
479 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
480 (frvbf_load_quad_FRint): Ditto.
481 (frvbf_load_quad_CPR): Ditto.
482 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
483 machines.
484 (bfd.h): #include it.
485 (non_cache_access): Update for revised fr500 and for fr400.
486 * registers.c (frv_spr): Don't reset PSR.PS.
487 (fr500_spr): Ditto.
488 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
489
4902001-04-23 Dave Brolley <brolley@redhat.com>
491
492 * traps.c (frv_core_signal): On fr400, generate data_access_error.
493 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
494 (frvbf_media_acc_not_aligned): Ditto.
495 (frvbf_media_register_not_aligned): Ditto.
496 (frvbf_division_exception): Use GET_ISR_EDE.
497 * registers.c (frv_check_spr_read_access): New function.
498 (frv_check_spr_write_access): New function.
499 (frv_check_spr_access): Deleted.
500 (frv_check_register_access): On fr400, generate illegal_instruction.
501 * memory.c (fr400_check_data_read_address): New function.
502 (fr500_check_data_read_address): Ditto.
503 (check_data_read_address): Ditto.
504 (fr400_check_insn_read_address): Ditto.
505 (fr500_check_insn_read_address): Ditto.
506 (check_insn_read_address): Ditto.
507 (frvbf_read_mem_QI): Call check_data_read_access.
508 (frvbf_read_mem_UQI): Ditto.
509 (frvbf_read_mem_HI): Ditto.
510 (frvbf_read_mem_UHI): Ditto.
511 (frvbf_read_mem_SI): Ditto.
512 (frvbf_read_mem_DI): Ditto.
513 (frvbf_read_mem_DF): Ditto.
514 (frvbf_read_imem_USI): Call check_insn_read_access.
515 (frv_address_forbidden): Now takes cpu as first argument. Check based
516 on machine type.
517 (fr400_mem_address_unaligned): New function.
518 (fr500_mem_address_unaligned): Ditto.
519 (check_write_address): Ditto.
520 (frvbf_mem_set_QI): Call check_write_address.
521 (frvbf_mem_set_HI): Ditto.
522 (frvbf_mem_set_SI): Ditto.
523 (frvbf_mem_set_DI): Ditto.
524 (frvbf_mem_set_DF): Ditto.
525 (frvbf_mem_set_XI): Ditto.
526 * interrupts.c (bfd.h): #include it.
527 (frv_queue_data_access_error_interrupt): New function.
528 (frv_queue_instruction_access_error_interrupt): New function.
529 (frv_queue_instruction_access_exception_interrupt): New function.
530 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
531 (frv_queue_non_implemented_instruction_interrupt): Ditto.
532 (frv_detect_insn_access_interrupts): Reorder tests to match priority
533 from the LSI manual.
534 (set_isr_exception_fields): Accumulate dtt bits.
535 * frv.c (check_register_alignment): New function.
536 (check_fr_register_alignment): New function.
537 (check_memory_alignment): New function.
538 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
539 (frvbf_h_gr_double_set_handler): Ditto.
540 (frvbf_h_cpr_double_get_handler): Ditto.
541 (frvbf_h_cpr_double_set_handler): Ditto.
542 (frvbf_h_gr_quad_set_handler): Ditto.
543 (frvbf_h_cpr_quad_set_handler): Ditto.
544 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
545 (frvbf_h_fr_double_set_handler): Ditto.
546 (frvbf_h_fr_quad_set_handler): Ditto.
547 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
548 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
549 (frvbf_load_quad_GR): Call check_memory_aligment.
550 (frvbf_load_quad_FRint): Ditto.
551 (frvbf_load_quad_CPR): Ditto.
552 (frvbf_store_quad_GR): Call check_memory_aligment and
553 check_register_alignment.
554 (frvbf_store_quad_FRint): Ditto.
555 (frvbf_store_quad_CPR): Ditto.
556 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
557 * frv-sim.h (H_SPR_ACC0): New macro.
558 (H_SPR_ACC63): New macro.
559 (H_SPR_ACCG0): New macro.
560 (H_SPR_ACCG63): New macro.
561 (frv_dtt): New enumerator.
562 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
563 (GET_ISR_DTT): New macro.
564 (frv_queue_data_access_error_interrupt): New function.
565 (frv_queue_instruction_access_error_interrupt): New function.
566 (frv_queue_instruction_access_exception_interrupt): New function.
567 (frv_address_forbidden): Now takes cpu as first argument.
568 * cpu.h: Regenerate.
569
5702001-04-10 Dave Brolley <brolley@redhat.com>
571
572 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
573 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
574 (fr400_spr): Implement SPR registers for fr400.
575 (frv_register_control_init): Handle bfd_mach_fr400 properly.
576 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
577 (spr_psr_get_handler): Ditto.
578 (spr_ccr_get_handler): Ditto.
579 (spr_cccr_get_handler): Ditto.
580 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
581 * frv-sim.h: Update comment about MCCR_* macros.
582 * cpu.c,cpu.h: Regenerate.
583
5842001-04-05 Dave Brolley <brolley@redhat.com>
585
586 * cpu.h,decode.c,model.c,sem.c: Regenerate.
587
5882001-04-05 Dave Brolley <brolley@redhat.com>
589
590 * reset.c: Update copyright.
591 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
592 * frv.c (frvbf_model_fr400_u_exec): New function.
593 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
594 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
595 Regenerate.
596
5972000-11-22 Dave Brolley <brolley@redhat.com>
598
599 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
600 Regenerate.
601
6022000-11-10 Dave Brolley <brolley@redhat.com>
603
604 * decode.c: Regenerate.
605
6062000-09-12 Dave Brolley <brolley@redhat.com>
607
608 * traps.c (frv_sim_engine_halt_hook): New function.
609 (frv_itrap): Caches now invalidated in sim_engine_halt via
610 SIM_ENGINE_HALT_HOOK.
611 (frv_break): Ditto.
612 * sim-main.h (frv_sim_engine_halt_hook): New function.
613 (SIM_ENGINE_HALT_HOOK): New macro.
614 (SIM_ENGINE_RESTART_HOOK): New macro.
615 * interrupts.c: Call to frv_term now done within sim_engine_halt via
616 SIM_ENGINE_HALT_HOOK.
617
6182000-09-08 Dave Brolley <brolley@redhat.com>
619
620 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
621 respectively when stopping for a breakpoint.
622 (frv_break): Ditto.
623 * cache.h (frv_cache_invalidate_all): New function.
624 * cache.c (frv_cache_invalidate_all): New function.
625
6262000-09-05 Dave Brolley <brolley@redhat.com>
627
628 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
629 sim_handle_breakpoint. Otherwise if environment != operating call
630 sim_engine_halt. Otherwise handle normally.
631 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
632 breakpoints here. Moved to frv_break in traps.c.
633
634 * sem.c: Regenerate.
635
6362000-09-01 Dave Brolley <brolley@redhat.com>
637
638 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
639 before queuing an interrupt in order to allow 'break' to be used as
640 the breakpoint insn.
641
6422000-08-29 Dave Brolley <brolley@redhat.com>
643
644 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
645
6462000-07-27 Dave Brolley <brolley@redhat.com>
647
648 * cpu.h,decode.c: Rebuild.
649
6502000-07-26 Dave Brolley <brolley@redhat.com>
651
652 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
653 (spr_cccr_set_handler): Change CRx to CCx.
654 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
655
6562000-07-24 Dave Brolley <brolley@redhat.com>
657
658 * sem.c: Regenerate.
659 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
660 Don't write it directly.
661
662Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
663
664 * configure: Regenerated to track ../common/aclocal.m4 changes.
665
6662000-07-05 Ben Elliston <bje@redhat.com>
667
668 * configure: Regenerated to track ../common/aclocal.m4 changes.
669
6702000-06-28 Dave Brolley <brolley@redhat.com>
671
672 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
673
6742000-06-21 Dave Brolley <brolley@redhat.com>
675
676 * pipeline.c: All code except frv_pipeline_setup_insn moved to
677 frv.opc.
678 * mloop.in (main loop): frv_pipeline_add_insn broken up into
679 frv_pipeline_add_insn and frv_pipeline_setup_insn.
680 * frv-sim.h: Move pipeline status code to frv.opc.
681 * model.c: Regenerate.
682
6832000-06-12 Dave Brolley <brolley@redhat.com>
684
685 * options.c (frv_option_handler): --profile-parallel implies
686 --profile-model.
687 * mloop.in (fetch_buffer): Removed.
688 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
689 run_caches. Use cache directly if not counting cycles. Don't use
690 cache at all if not counting cycles and cache not enabled.
691 * frv.c (frv_insn_fetch_buffer): New global variable.
692 (run_caches): Monitor the status of insn prefetch requests.
693 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
694 (frv_insn_fetch_buffer): New global variable.
695
6962000-06-12 Dave Brolley <brolley@redhat.com>
697
698 * mloop.in (fetch_buffer): New static struct.
699 (@cpu@_simulate_insn_prefetch): Rewritten.
700 * cache.c (frv_cache_request_invalidate): Don't invalidate return
701 buffer.
702 (address_interference): Defer to any WAR request in either pipeline.
703
7042000-06-09 Dave Brolley <brolley@redhat.com>
705
706 * pipeline.c (insns_in_slot): New Array.
707 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
708 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
709 option.
710 (parse_cache_option): New function.
711 (frv_option_handler): Call parse_cache_option.
712 * frv.c (vliw_branch_taken): New variable.
713 (vliw_load_stall): New variable.
714 (handle_resource_wait): Update vliw_load_stall.
715 (frvbf_model_insn_before): Initialize vliw_branch_taken and
716 vliw_load_stall.
717 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
718 (load_wait_for_FR): Update vliw_load_stall.
719 (load_wait_for_GR): Update vliw_load_stall.
720 (load_wait_for_FRdouble): Update vliw_load_stall.
721 (load_wait_for_GRdouble): Update vliw_load_stall.
722 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
723 (slot_names): New static array.
724 (print_parallel): Now takes second argument 'verbose'. Print cycles per
725 VLIW insn and instructions per cycle. Also tabulate the number of insns
726 in each type of VLIW slot.
727 (frv_profile_info): Call print_parallel with new second argument.
728 * frv-sim.h (insn_in_slot): New array.
729 (COUNT_INSNS_IN_SLOT): New macro.
730 (INSNS_IN_SLOT): New macro.
731 * cache.c: Remove references to non_blocking_count. Remove references to
732 last_was_hit. Remove references to req_none.
733 (handle_req_store): Adjust statistics before requeuing the store
734 request.
735 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
736 * cache.h: Remove references to non_blocking_count. Remove references to
737 last_was_hit. Remove references to req_none.
738 * model.c: Regenerate.
739
7402000-06-08 Dave Brolley <brolley@redhat.com>
741
742 * frv.c (request_complete): Copy load data from the correct return
743 buffer.
744
7452000-06-07 Dave Brolley <brolley@redhat.com>
746
747 * traps.c (frv_core_signal): Call frv_term before exiting.
748 (frv_itrap): Call frv_term before exiting.
749 (next_available_nesr): Make sure NECR is implemented before reading it.
750 (next_valid_nesr): Ditto.
751 (frvbf_check_non_excepting_load): Ditto.
752 (frvbf_clear_ne_flags): Ditto.
753 (frvbf_commit): Ditto.
754 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
755 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
756 store_flag members.
757 (CPU_LOAD_ADDRESS): New macro.
758 (CPU_LOAD_LENGTH): New macro.
759 (CPU_LOAD_SIGNED): New macro.
760 (CPU_LOAD_LOCK): New macro.
761 * reset.c (frv_term): New function.
762 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
763 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
764 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
765 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
766 the insn. Model the insn in two passes. One before and one after
767 execution.
768 (cache_reqno): new static variable.
769 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
770 cache rather than assuming a fixed latency.
771 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
772 enabled so that modeling data is collected by cgen during execution.
773 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
774 * memory.c (data_non_cache_access): Removed.
775 (insn_non_cache_access): Removed.
776 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
777 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
778 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
779 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
780 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
781 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
782 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
783 (frvbf_read_imem_USI): Read the cache or ememory passively.
784 (frvbf_write_mem_QI): Don't check for non-cache access here.
785 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
786 (frvbf_write_mem_HI): Don't check for non-cache access here.
787 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
788 (frvbf_write_mem_SI): Don't check for non-cache access here.
789 (frvbf_write_mem_DI): Don't check for non-cache access here.
790 (frvbf_write_mem_DF): Don't check for non-cache access here.
791 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
792 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
793 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
794 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
795 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
796 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
797 * interrupts.c (check_reset): Read the cache and memory passively.
798 (frv_program_or_software_interrupt): Call frv_term before calling
799 sim_engine_halt.
800 * frv.c (all modeling functions): Break into two passes. One before
801 execuetion and one after. call load_wait_for_* for all GR and FR
802 registers.
803 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
804 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
805 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
806 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
807 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
808 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
809 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
810 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
811 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
812 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
813 (model_insn): New global variable.
814 (fr_ptime): New array.
815 (cache_request): New enumeration.
816 (CACHE_QUEUE_ELEMENT): New struct type.
817 (CACHE_QUEUE_SIZE): New macro.
818 (cache_queue): New static struct.
819 (request_cache_load): New function.
820 (request_cache_flush): New function.
821 (request_cache_invalidate): New function.
822 (request_cache_preload): New function.
823 (request_cache_unlock): New function.
824 (submit_cache_request): New function.
825 (activate_cache_requests): New function.
826 (load_pending_for_register): New function.
827 (flush_pending_for_address): New function.
828 (remove_cache_queue_element): New function.
829 (copy_load_data): New function.
830 (request_complete): New function.
831 (run_caches): New function.
832 (frv_model_trace_wait_cycles): New function.
833 (wait_for_flush): New function.
834 (frvbf_model_insn_before): Insn prefect wait now modeled in
835 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
836 wait_for_flush.
837 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
838 vliw_insns here anymore.
839 (update_FR_latency_for_load): New function.
840 (update_FRdouble_latency_for_load): New function.
841 (update_FR_ptime): New function.
842 (update_FRdouble_ptime): New function.
843 (update_GR_latency_for_swap): New function.
844 (load_wait_for_GR): New function.
845 (load_wait_for_FR): New function.
846 (load_wait_for_GRdouble): New function.
847 (load_wait_for_FRdouble): New function.
848 (frvbf_model_fr500_u_ici): New function.
849 (frvbf_model_fr500_u_dci): New function.
850 (frvbf_model_fr500_u_dcf): New function.
851 (frvbf_model_fr500_u_icpl): New function.
852 (frvbf_model_fr500_u_dcpl): New function.
853 (frvbf_model_fr500_u_icul): New function.
854 (frvbf_model_fr500_u_dcul): New function.
855 * frv-sim.h (frv_term): New function.
856 (insn_non_cache_access): Removed.
857 (FRV_COUNT_CYCLES): New macro.
858 (frv_save_peofile_model_p): New global variable.
859 (model_insn): New enumerated global variable.
860 (frv_model_advance_cycles): New function.
861 (frv_model_trace_wait_cycles): New function.
862 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
863 (FRV_CACHE_WAR_REQUEST): New struct type.
864 (FRV_CACHE_STORE_REQUEST): New struct type.
865 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
866 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
867 (FRV_CACHE_REQUEST): New struct type.
868 (FRV_CACHE_RETURN_BUFFER): New struct type.
869 (FRV_CACHE_FLUSH_STATUS): New struct type.
870 (FRV_CACHE_STATUS): New struct type.
871 (FRV_CACHE_STAGE): New struct type.
872 (FRV_CACHE_STAGES): New enumeration.
873 (FRV_CACHE_WAR): New struct type.
874 (FRV_CACHE_PIPELINE): New struct type.
875 (FRV_CACHE_ARS): New struct type.
876 (FRV_CACHE_STATISTICS): New struct type.
877 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
878 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
879 (CACHE_RETURN_DATA_ADDRESS): New macro.
880 (frv_cache_read): Now takes pipe index as second argument.
881 (frv_cache_enabled): New function.
882 (frv_cache_request_load): New function.
883 (frv_cache_request_store): New function.
884 (frv_cache_request_invalidate): New function.
885 (frv_cache_request_preload): New function.
886 (frv_cache_request_unlock): New function.
887 (frv_cache_run): New function.
888 (frv_cache_read_passive_SI): New function.
889 (frv_cache_data_in_buffer): New function.
890 (frv_cache_data_flushed): New function.
891 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
892 (frv_cache_enabled): New function.
893 (non_cache_access): New function.
894 (write_data_to_memory): Count write accesses for each mode. Write to
895 memory using sim_core_write_unaligned_1;
896 (read_data_from_memory): New function.
897 (fill_line_from_memory): Use read_data_from_memory.
898 (copy_line_to_return_buffer): New function.
899 (copy_memory_to_return_buffer): New function.
900 (set_return_buffer_reqno): New function.
901 (frv_cache_read): Now takes pipe index as second argument. Check for
902 non-cache access.
903 (frv_cache_preload): Check for non-cache access.
904 (frv_cache_unlock): Check for non-cache access.
905 (invalidate_return_buffer): New function.
906 (frv_cache_invalidate): Check for non-cache access.
907 (convert_slot_to_index): New function.
908 (FREE_CHAIN_SIZE): New macro.
909 (frv_cache_request_free_chain): New static variable.
910 (frv_store_request_free_chain): New static variable.
911 (allocate_new_cache_requests): New function.
912 (new_cache_request): New function.
913 (free_cache_request): New function.
914 (new_store_request): New function.
915 (pipeline_remove_request): New function.
916 (pipeline_add_request): New function.
917 (pipeline_requeue_request): New function.
918 (next_priority): New function.
919 (add_WAR_request): New function.
920 (pipeline_next_request): New function.
921 (pipeline_stage_request): New function.
922 (advance_pipelines): New function.
923 (frv_cache_request_load): New function.
924 (frv_cache_request_store): New function.
925 (frv_cache_request_invalidate): New function.
926 (frv_cache_request_preload): New function.
927 (frv_cache_request_unlock): New function.
928 (address_interference): New function.
929 (wait_for_WAR): New function.
930 (wait_in_WAR): New function.
931 (handle_req_load): New function.
932 (handle_req_preload): New function.
933 (handle_req_store): New function.
934 (handle_req_invalidate): New function.
935 (handle_req_unlock): New function.
936 (handle_req_WAR): New function.
937 (arbitrate_requests): New function.
938 (move_ARS_to_WAR): New function.
939 (decrease_latencies): New function.
940 (frv_cache_run): New function.
941 (frv_cache_read_passive_SI): New function.
942 (frv_cache_data_in_buffer): New function.
943 (frv_cache_data_flushed): New function.
944 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
945
946Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
947
948 * configure: Regenerated to track ../common/aclocal.m4 changes.
949
9502000-05-19 Dave Brolley <brolley@redhat.com>
951
952 * traps.c (frv_rett): Check for exceptions in the order specified in the
953 architecture spec. Allow privileged_instruction interrrupt to be handled
954 normally.
955 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
956 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
957 to clear the NE flag.
958 (frvbf_model_tomcat_u_exec): New function.
959 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
960 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
961 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
962
9632000-05-18 Dave Brolley <brolley@redhat.com>
964
965 * sim-if.c (elf-bfd.h): #include it.
966 (sim_open): Set machine amd architecture based on elf flags.
967
9682000-04-04 Dave Brolley <brolley@redhat.com>
969
970 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
971 Delete '#if 0' blocks.
972 * frv.c: Delete '#if 0' blocks.
973 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
974 PSR.S and PSR.ESR.
975 (frv_h_psr_esr_set_handler): Removed.
976 * interrupts.c: Delete '#if 0' blocks.
977 * memory.c: Delete '#if 0' blocks.
978 * cpu.c,cpu.h: Regenerate.
979
9802000-04-03 Dave Brolley <brolley@redhat.com>
981
982 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
983 containing the target address.
984 (clear_nesr_neear): No longer takes hi_available and lo_available.
985 Remove bogus check for available GR registers.
986 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
987 (frvbf_commit): Update call to clear_nesr_neear.
988 * interrupts.c (next_available_esr): Removed.
989 (next_available_edr): Removed.
990 (next_available_fq): Removed.
991 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
992 (frvbf_store_register): Remove "FIXME" comment.
993 * frv-sim.h (UART_INCHAR_ADDR): Removed.
994 (UART_OUTCHAR_ADDR): Removed.
995 (UART_STATUS_ADDR): Removed.
996 (UART_INPUT_READY): Removed.
997 (UART_OUTPUT_READY): Removed.
998 (FRV_DEVICE_ADDR): Removed.
999 (FRV_DEVICE_LEN): Removed.
1000 (SET_NESR): Call frvbf_force_update.
1001 (SET_NEEAR): Call frvbf_force_update.
1002 (SET_NE_FLAGS): Call frvbf_force_update.
1003
10042000-03-30 Dave Brolley <brolley@redhat.com>
1005
1006 * configure: Regenerated.
1007
10082000-03-30 Dave Brolley <brolley@redhat.com>
1009
1010 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1011 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1012 performing the write.
1013 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1014 queue element with the information in the interrupt state.
1015 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1016 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1017 (frv_set_interrupt_queue_slot): New function.
1018 (esr_for_data_access_exception): New function.
1019 (set_edr_register): edr_index is now passed in.
1020 (fq_for_exception): New function.
1021 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1022 element now passed in.
1023 (set_exception_status_registers): Obtain slot from interrupt queue
1024 element. Call esr_for_data_access_exception. Use ESR14
1025 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1026 (frv_save_data_written_for_interrupts): Save slot containing the insn
1027 performing the write.
1028 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1029 frv_fsr_ftt.
1030 (struct frv_interrupt_state): Add 'slot' field.
1031 (frv_set_interrupt_queue_slot): New function.
1032 (frv_set_write_queue_slot): New function.
1033
10342000-03-24 Dave Brolley <brolley@redhat.com>
1035
1036 * mloop.in (_parallel_write_init): Initialize
1037 frv_interrupt_state.imprecise_interrupt.
1038 (_parallel_write_queued): After an imprecise interrupt, only perform
1039 forced writes and floating point writes (for certain exceptions).
1040 * interrupts.c (handle_interrupt): Set
1041 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1042 interrupt.
1043 (frv_process_interrupts): No need to clear f_ne_flags.
1044 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1045 force them to happen even if there is an overflow exception.
1046 (frvbf_force_update): New function.
1047 * frv-sim.h (frvbf_force_update): New function.
1048 (struct frv_interrupt_state): Add imprecise_interrupt.
1049 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1050 * sem.c: Regenerate.
1051
10522000-03-23 Dave Brolley <brolley@redhat.com>
1053
1054 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1055 * registers.c (frv_spr): MCIRL -> MCILR.
1056 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1057 New function.
1058 (frv_detect_insn_access_interrupts):
1059 Call frv_queue_non_implemented_instruction_interrupt.
1060 (frv_process_interrupts): Clear accumulated NE flags.
1061 * frv.c (frvbf_media_cop): New function.
1062 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1063 the NE flag of the given target register.
1064 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1065 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1066 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1067 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1068 (frvbf_model_fr500_u_float_dual_convert): New function.
1069 * frv-sim.h (frvbf_media_cop): New function.
1070 (GET_FQ): Use H_SPR_FQST0.
1071 (SET_FQ): Use H_SPR_FQST0.
1072 (SET_FQ_OPC): Use J_SPR_FQOP0.
1073 (GET_MSR_EMCI): New macro.
1074 (frv_queue_non_implemented_instruction_interrupt): New function.
1075 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1076
10772000-03-08 Dave Brolley <brolley@redhat.com>
1078
1079 * traps.c (frv_rett): Align new_pc.
1080 * memory.c (frvbf_read_mem_HI): Align address.
1081 (frvbf_read_mem_UHI): Align address.
1082 (frvbf_read_mem_SI): Align address.
1083 (frvbf_read_mem_DI): Align address.
1084 (frvbf_read_mem_DF): Align address.
1085 (frvbf_read_imem_USI): Align address.
1086 (frvbf_mem_set_HI): Align address.
1087 (frvbf_mem_set_SI): Align address.
1088 (frvbf_mem_set_DI): Align address.
1089 (frvbf_mem_set_DF): Align address.
1090 (frvbf_mem_set_XI): Align address.
1091 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1092 (fr500_spr): Initialize FSR0.NS to 1.
1093 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1094 whether the exception is masked.
1095 * frv.c (frvbf_load_quad_GR): Align address.
1096 (frvbf_store_quad_GR): Align address.
1097 (frvbf_load_quad_FRint): Align address.
1098 (frvbf_store_quad_FRint): Align address.
1099 (frvbf_load_quad_CPR): Align address.
1100 (frvbf_store_quad_CPR): Align address.
1101 * frv-sim.h (GET_ISR_EMAM): New macro.
1102
11032000-03-08 Dave Brolley <brolley@redhat.com>
1104
1105 * traps.c (frvbf_division_exception): Check for masked overflow and
1106 set NE flags, if necessary.
1107 (frvbf_check_recovering_store): Queue writes to the hardware.
1108 (check_registers_available): Removed.
1109 (which_registers_available): Call frv_{fr,gr}_registers_available.
1110 (frvbf_clear_ne_flags): Call check_register_access.
1111 (frvbf_commit): Call check_register_access.
1112 * registers.h (frv_fr_registers_available): New function.
1113 (frv_gr_registers_available): New function.
1114 (frv_check_register_access): New function.
1115 (frv_check_gr_access): New function.
1116 (frv_check_fr_access): New function.
1117 * registers.c (frv_spr): Correct initial value of ISR.
1118 (fr500_spr): Correct initial value of ISR.
1119 (frv_fr_registers_available): New function.
1120 (frv_gr_registers_available): New function.
1121 (frv_check_register_access): New function.
1122 (frv_check_gr_access): New function.
1123 (frv_check_fr_access): New function.
1124 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1125 (set_isr_exception_fields): New function.
1126 (set_exception_status_registers): Set ISR fields for division exception.
1127 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1128 * frv.c (frvbf_h_gr_get_handler): New function.
1129 (frvbf_h_gr_set_handler): New function.
1130 (frvbf_h_fr_get_handler): New function.
1131 (frvbf_h_fr_set_handler): New function.
1132 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1133 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1134 (spr_isr_get_handler): Removed.
1135 (spr_isr_set_handler): Removed.
1136 (frvbf_signed_integer_divide): New funciton.
1137 (frvbf_unsigned_integer_divide): New funciton.
1138 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1139 (frvbf_h_gr_set_handler): New function.
1140 (frvbf_h_fr_get_handler): New function.
1141 (frvbf_h_fr_set_handler): New function.
1142 (frvbf_signed_integer_divide): New funciton.
1143 (frvbf_unsigned_integer_divide): New funciton.
1144 (frv_dtt): New enumeration.
1145 (struct frv_interrupt_queue_element): Add dtt member.
1146 (GET_ISR): New macro.
1147 (SET_ISR): New macro.
1148 (GET_ISR_EDEM): New macro.
1149 (SET_ISR_DTT): New macro.
1150 (SET_ISR_AEXC): New macro.
1151 (frvbf_division_exception): Add 2 'int' arguments.
1152 (frvbf_check_non_excepting_divide): Removed.
1153 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1154
11552000-02-29 Dave Brolley <brolley@redhat.com>
1156
1157 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1158 (frv_rett): Use hardware access macros. Write PSR as a whole.
1159 (next_available_nesr): Check that NECR is valid.
1160 (next_valid_nesr): Check that NECR is valid.
1161 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1162 call hardware access functions. Use cover macros.
1163 (check_registers_available): New function.
1164 (clear_nesr_near): Check register availability.
1165 (clear_ne_flags): Check register availability.
1166 (frvbf_clear_ne_flags): Check register availability.
1167 (frvbf_commit): Check register availability.
1168 (which_registers_available): New function.
1169 * sim-main.h (registers.h): #include it.
1170 (register_control): New cpu field.
1171 (CPU_REGISTER_CONTROL): New macro.
1172 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1173 (frv_power_on_reset): Initialize SPR registers and RSTR.
1174 (frv_hardware_reset): Initialize SPR registers and RSTR.
1175 (frv_software_reset): Reset SPR registers and RSTR.
1176 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1177 Call frv_cache_init.
1178 * mloop.in (main loop): Check for insn access interrupts before
1179 executing the insn.
1180 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1181 (frv_detect_insn_access_interrupts): Don't call hardware access
1182 functions directly. Use cover macros.
1183 (check_reset): Don't reset RSTR here.
1184 (next_available_esr): ESFR -> ESFR_FLAG.
1185 (next_available_edr): ESFR -> ESFR_FLAG.
1186 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1187 ESFR -> ESFR_FLAG.
1188 (frv_break_interrupt): Don't call hardware access functions directly.
1189 Use cover macros.
1190 (frv_program_or_software_interrupt): Ditto.
1191 (frv_external_interrupt): Ditto.
1192 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1193 (frvbf_store_register): Don't call 'set' functions directly.
1194 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1195 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1196 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1197 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1198 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1199 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1200 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1201 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1202 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1203 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1204 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1205 Support shadow registers.
1206 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1207 Support shadow registers.
1208 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1209 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1210 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1211 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1212 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1213 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1214 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1215 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1216 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1217 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1218 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1219 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1220 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1221 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1222 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1223 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1224 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1225 version 1.3a.
1226 (spr_ccr_get_handler): Don't reference the hardware directly.
1227 (spr_ccr_set_handler): Don't reference the hardware directly.
1228 (spr_cccr_get_handler): Don't reference the hardware directly.
1229 (spr_cccr_set_handler): Don't reference the hardware directly.
1230 (spr_sr_get_handler): New function.
1231 (spr_sr_set_handler): New function.
1232 (frvbf_switch_supervisor_user_context): Temporarily switch to
1233 supervisor mode.
1234 (frvbf_store_quad_GR): Don't call handler directly.
1235 (frvbf_store_quad_FRint): Don't call handler directly.
1236 (frvbf_store_quad_CPR): Don't call handler directly.
1237 (frvbf_clear_all_accumulators): Removed.
1238 (frvbf_clear_accumulators): New function.
1239 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1240 Account for in_ACCGi and out_ACCGk.
1241 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1242 (RSTR_SOFTWARE_RESET): New macro.
1243 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1244 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1245 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1246 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1247 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1248 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1249 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1250 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1251 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1252 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1253 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1254 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1255 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1256 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1257 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1258 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1259 (frvbf_clear_all_accumulators): Removed.
1260 (frvbf_clear_accumulators): New function.
1261 (GET_HSR0): Use GET_H_SPR.
1262 (SET_HSR0): Use SET_H_SPR.
1263 (CLEAR_HSR0_ICE): New macro.
1264 (CLEAR_HSR0_DCE): New macro.
1265 (GET_IHSR8): Use GET_H_SPR.
1266 (GET_PSR): New macro.
1267 (SET_PSR_ET): New macro.
1268 (GET_PSR_PS): New macro.
1269 (SET_PSR_S): New macro.
1270 (GET_ESFR): Changed to reference entire register.
1271 (SET_ESFR): Changed to reference entire register.
1272 (GET_ESFR_FLAG): New macro.
1273 (SET_ESFR_FLAG): New macro.
1274 (NECR_ELOS): Removed.
1275 (NECR_NEN): Removed.
1276 (NECR_VALID): Removed.
1277 (GET_NECR): New macro.
1278 (GET_NECR_ELOS): New macro.
1279 (GET_NECR_NEN): New macro.
1280 (GET_NECR_VALID): New macro.
1281 (NESR_RANGE): Removed.
1282 (GET_NESR): Use GET_H_SPR.
1283 (GET_NE_FLAGS): Use GET_H_SPR.
1284 * cache.h (CACHE_INITIALIZED): New macro.
1285 * Makefile.in (SIM_OBJS): Add registers.o.
1286 (SIM_EXTRA_DEPS): Add registers.h.
1287 (registers.o): New target.
1288 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1289
12902000-02-17 Dave Brolley <brolley@redhat.com>
1291
1292 * interrupts.c (frv_interrupt_table): Update priority order and handler
1293 offsets to conform to the architecture version 1.3a.
1294 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1295 to the architecture version 1.3a.
1296
12972000-02-17 Dave Brolley <brolley@redhat.com>
1298
1299 * interrupts.c (frv_interrupt_table): Update priority order and handler
1300 offsets to conform to the latest specifications.
1301 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1302 queued. New variable 'iclass' used to test for external interrupts.
1303 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1304 to the latest specifications.
1305
13062000-01-20 Dave Brolley <brolley@redhat.com>
1307
1308 * sim-if.c (sim_open): Move frv-specific initialization to
1309 frv_initialize in reset.c.
1310 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1311 status bits for hardware vs software reset.
1312 * reset.c: New file.
1313 * frv-sim.h (frv_initialize): New function.
1314 (frv_power_on_reset): New function.
1315 (frv_hardware_reset): New function.
1316 (frv_software_reset): New function.
1317 (RSTR_ADDRESS): New macro.
1318 (RSTR_INITIAL_VALUE): New macro.
1319 (GET_RSTR_HR): New macro.
1320 (GET_RSTR_SR): New macro.
1321 (SET_RSTR_H): New macro.
1322 (SET_RSTR_S): New macro.
1323 (CLEAR_RSTR_P): New macro.
1324 (CLEAR_RSTR_H): New macro.
1325 (CLEAR_RSTR_S): New macro.
1326 (CLEAR_RSTR_HR): New macro.
1327 (CLEAR_RSTR_SR): New macro.
1328
13292000-01-03 Dave Brolley <brolley@cygnus.com>
1330
1331 * mloop.in (execute): Only call modeling function if the pointer is not
1332 NULL.
1333 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1334 fr500.
1335
13362000-01-03 Dave Brolley <brolley@cygnus.com>
1337
1338 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1339 (frv_options): Add --memory-latency.
1340 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1341 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1342 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1343 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1344 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1345 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1346 (update_latencies): Only clear usage flags if the register has no
1347 target latency.
1348 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1349 not |= (or assgnment).
1350 (frvbf_model_insn_after): Print post processing wait for all insns.
1351 Update prev_acc_p1 and prev_acc_p2.
1352 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1353 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1354 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1355 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1356 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1357 (frvbf_model_fr500_u_media_quad_arith): New function.
1358 (frvbf_model_fr500_u_media_dual_mul): New function.
1359 (frvbf_model_fr500_u_media_quad_mul): New function.
1360 (frvbf_model_fr500_u_media_quad_complex): New function.
1361 (frvbf_model_fr500_u_media_dual_expand): New function.
1362 (frvbf_model_fr500_u_media_dual_unpack): New function.
1363 (frvbf_model_fr500_u_media_dual_btoh): New function.
1364 (frvbf_model_fr500_u_media_dual_htob): New function.
1365 (frvbf_model_fr500_u_media_dual_btohe): New function.
1366 (frv_ref_SI): New function.
1367 * cache.h (FRV_CACHE): Add memory_latency field.
1368 * cache.c (frv_cache_init): Initialize memory_latency.
1369 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1370
13711999-12-17 Dave Brolley <brolley@cygnus.com>
1372
1373 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1374 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1375 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1376 (OPTIONS_FRV_TIMER): New enumeration.
1377 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1378 (frv_option_handler): Override common implementation of -p. Handle
1379 --profile-cache, --profile-parallel, --timer.
1380 * mloop.in (execute): Call profiling functions if the timer interrupt
1381 is enabled.
1382 (@cpu@_simulate_insn_prefetch): New function.
1383 (main loop): Call @cpu@_simulate_insn_prefetch.
1384 * interrupts.c (frv_queue_interrupt): Don't queue two external
1385 interrupts of the same priority.
1386 (frv_queue_external_interrupt): New function.
1387 (frv_external_interrupt): New function.
1388 (handle_interrupt): Handle external interrupts.
1389 (check_reset): New function.
1390 (frv_process_interrupts): Call check_reset.
1391 * frv.c: Include "bfd.h"
1392 (frvbf_h_psr_get_handler): Set the PIL field.
1393 (frvbf_h_psr_set_handler): Get the PIL field.
1394 (DUAL_REG): New macro.
1395 (DUAL_DOUBLE): New macro.
1396 (SET_USE_IS_FPOP): New macro.
1397 (SET_USE_NOT_FPOP): New macro.
1398 (USE_IS_FPOP): New macro.
1399 (SET_USE_IS_MEDIA): New macro.
1400 (SET_USE_NOT_MEDIA): New macro.
1401 (USE_IS_MEDIA_P1): New macro.
1402 (SET_USE_IS_MEDIA_P1): New macro.
1403 (SET_USE_NOT_MEDIA_P1): New macro.
1404 (SET_USE_IS_MEDIA_P2): New macro.
1405 (SET_USE_NOT_MEDIA_P2): New macro.
1406 (USE_IS_MEDIA_P2): New macro.
1407 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1408 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1409 (ACC_USE_IS_MEDIA_P1): New macro.
1410 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1411 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1412 (ACC_USE_IS_MEDIA_P2): New macro.
1413 (RESOURCE_IDIV): New macro.
1414 (RESOURCE_FDIV): New macro.
1415 (RESOURCE_SQRT): New macro.
1416 (fr_busy_adjust): New array.
1417 (acc_busy_adjust): New array.
1418 (apply_latency_adjustments): New function.
1419 (update_latencies): New function.
1420 (handle_wait_cycles): New function.
1421 (handle_resource_wait): New function.
1422 (update_target_latencies): New function.
1423 (frvbf_model_insn_before): Add resource latency to cycle counts.
1424 (frvbf_model_insn_after): Add resource latency to cycle counts.
1425 (update_GR_latency): New function.
1426 (update_GRdouble_latency): New function.
1427 (update_FR_latency): New function.
1428 (update_FRdouble_latency): New function.
1429 (decrease_ACC_busy): New function.
1430 (decrease_FR_busy): New function.
1431 (increase_FR_busy): New function.
1432 (update_ACC_latency): New function.
1433 (update_CCR_latency): New function.
1434 (update_idiv_resource_latency): New function.
1435 (update_fdiv_resource_latency): New function.
1436 (update_fsqrt_resource_latency): New function.
1437 (vliw_wait_for_GR): New function.
1438 (vliw_wait_for_GRdouble): New function.
1439 (vliw_wait_for_FR): New function.
1440 (vliw_wait_for_FRdouble): New function.
1441 (vliw_wait_for_CCR): New function.
1442 (vliw_wait_for_ACC): New function.
1443 (vliw_wait_for_idiv_resource): New function.
1444 (vliw_wait_for_fdiv_resource): New function.
1445 (vliw_wait_for_fsqrt_resource): New function.
1446 (enforce_full_fr_latency): New function.
1447 (frvbf_model_fr500_u_exec): New function.
1448 (frvbf_model_fr500_u_integer): New function.
1449 (frvbf_model_fr500_u_imul): New function.
1450 (frvbf_model_fr500_u_idiv): New function.
1451 (frvbf_model_fr500_u_branch): New function.
1452 (frvbf_model_fr500_u_set_hilo): New function.
1453 (frvbf_model_fr500_u_gr_load_store): New function.
1454 (frvbf_model_fr500_u_fr_load_store): New function.
1455 (frvbf_model_fr500_u_swap): New function.
1456 (frvbf_model_fr500_u_fr2fr): New function.
1457 (frvbf_model_fr500_u_fr2gr): New function.
1458 (frvbf_model_fr500_u_spr2gr): New function.
1459 (frvbf_model_fr500_u_gr2fr): New function.
1460 (frvbf_model_fr500_u_gr2spr): New function.
1461 (post_wait_for_FR): New function.
1462 (post_wait_for_FRdouble): New function.
1463 (post_wait_for_ACC): New function.
1464 (post_wait_for_CCR): New function.
1465 (post_wait_for_fdiv): New function.
1466 (post_wait_for_fsqrt): New function.
1467 (adjust_float_register_busy): New function.
1468 (adjust_double_register_busy): New function.
1469 (restore_float_register_busy): New function.
1470 (restore_double_register_busy): New function.
1471 (frvbf_model_fr500_u_float_arith): New function.
1472 (frvbf_model_fr500_u_float_dual_arith): New function.
1473 (frvbf_model_fr500_u_float_div): New function.
1474 (frvbf_model_fr500_u_float_sqrt): New function.
1475 (frvbf_model_fr500_u_float_compare): New function.
1476 (frvbf_model_fr500_u_float_dual_compare): New function.
1477 (frvbf_model_fr500_u_float_convert): New function.
1478 (frvbf_model_fr500_u_media): New function.
1479 (frvbf_model_fr500_u_barrier): New function.
1480 (frvbf_model_fr500_u_membar): New function.
1481 * frv-sim.h (LEUINT): New macro.
1482 (GET_HSR0_SA): New macro.
1483 (struct frv_interrupt_timer): New struct.
1484 (struct frv_interrupt_state): Add timer fiield.
1485 (frv_queue_external_interrupt): New function.
1486 (frv_external_interrupt): New function.
1487 (frv_profile_info): New function.
1488 (PROFILE_CACHE_IDX): New enumerator.
1489 (PROFILE_PARALLEL_IDX): New enumerator.
1490 (PROFILE_cache): New macro.
1491 (PROFILE_parallel): New macro.
1492 (WITH_PROFILE_CACHE_P): New macro.
1493 (WITH_PROFILE_PARALLEL_P): New macro.
1494 * cache.h (FRV_CACHE): Add last_was_hit field.
1495 * cache.c (get_tag): Use new last_was_hit field.
1496 (frv_cache_read): Ditto.
1497 (frv_cache_write): Ditto.
1498 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1499
15001999-12-13 Dave Brolley <brolley@cygnus.com>
1501
1502 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1503 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1504 sim_queue_fn_di_write.
1505 (frvbf_media_cut_ss): New function.
1506 * frv-sim.h (frvbf_media_cut_ss): New function.
1507 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1508
15091999-12-13 Dave Brolley <brolley@cygnus.com>
1510
1511 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1512 no constraints.
1513 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1514 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1515 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1516 FRV_IS_MEDIA_INSN.
1517 * frv.c (frvbf_model_simple_u_exec): New function.
1518 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1519 (FRV_IS_MEDIA_INSN): Range includes M-8.
1520
1521 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1522 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1523 Regenerate.
1524
15251999-12-10 Dave Brolley <brolley@cygnus.com>
1526
1527 * traps.c (check_registers_available): New function.
1528 (clear_ne_flags): Generate register_exception if register(s) not
1529 available.
1530 (frvbf_commit): Generate register_exception if register(s) not
1531 available.
1532 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1533 GR4-GR7 to SR0-SR4.
1534 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1535 PSR.ESR.
1536 (frvbf_h_psr_s_set_handler): New function.
1537 (frvbf_h_psr_esr_set_handler): New function.
1538 (frvbf_switch_supervisor_user_context): New function.
1539 (frvbf_scan_result): Reflect latest ISA.
1540 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1541 (frvbf_h_psr_esr_set_handler): New function.
1542 (frvbf_switch_supervisor_user_context): New function.
1543 (GET_HSR0_FRN): New Macro.
1544 (GET_HSR0_GRN): New Macro.
1545 (GET_HSR0_FRHE): New Macro.
1546 (GET_HSR0_FRLE): New Macro.
1547 (GET_HSR0_GRHE): New Macro.
1548 (GET_HSR0_GRLE): New Macro.
1549 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1550 (GET_ESFR): New bit ordering.
1551 (SET_ESFR): New bit ordering.
1552 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1553
15541999-12-10 Michael Meissner <meissner@cygnus.com>
1555
1556 * Makefile.in (sim-if.o): Add eng.h dependency.
1557
15581999-12-09 Dave Brolley <brolley@cygnus.com>
1559
1560 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1561 Pass sc->last_insn_p to @cpu@_model_insn_before.
1562 (main loop): Compute sc->first_insn_p.
1563 * frv.c (frvbf_model_insn_before): Set state variables.
1564 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1565 (frvbf_model_fr500_u_integer): Remove.
1566 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1567
15681999-12-07 Dave Brolley <brolley@cygnus.com>
1569
1570 * sim-main.h (cache.h): Include it.
1571 (insn_cache): New member.
1572 (data_cache): New member.
1573 (CPU_INSN_CACHE): New macro.
1574 (CPU_DATA_CACHE): New macro.
1575 * sim-if.c (WANT_CPU): New macro.
1576 (WANT_CPU_FRVBF): New macro.
1577 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1578 data and insn caches for each cpu.
1579 (sim_close): Call frv_cache_term for the insn and data caches of each
1580 cpu.
1581 * mloop.in (extract): Read insn from the cache.
1582 (main loop): Access the insn cache in order to maintain stats.
1583 * memory.c (data_non_cache_access): New function.
1584 (insn_non_cache_access): New function.
1585 (frvbf_read_mem_QI): Attempt to read from the cache first.
1586 (frvbf_read_mem_UQI): Ditto.
1587 (frvbf_read_mem_HI): Ditto.
1588 (frvbf_read_mem_UHI): Ditto.
1589 (frvbf_read_mem_SI): Ditto.
1590 (frvbf_read_mem_DI): Ditto.
1591 (frvbf_read_mem_DF): Ditto.
1592 (frvbf_read_imem_USI): New function.
1593 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1594 (frvbf_write_mem_UQI): Ditto.
1595 (frvbf_write_mem_HI): Ditto.
1596 (frvbf_write_mem_UHI): Ditto.
1597 (frvbf_write_mem_SI): Ditto.
1598 (frvbf_write_mem_DI): Ditto.
1599 (frvbf_write_mem_DF): Ditto.
1600 (frvbf_mem_set_QI): New function.
1601 (frvbf_mem_set_HI): New function.
1602 (frvbf_mem_set_SI): New function.
1603 (frvbf_mem_set_DI): New function.
1604 (frvbf_mem_set_DF): New function.
1605 (frvbf_mem_set_XI): New function.
1606 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1607 CGEN_FN_MEM_QI_WRITE,
1608 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1609 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1610 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1611 Call sim_queue_fn_mem_xi_write.
1612 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1613 Call sim_queue_fn_mem_xi_write.
1614 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1615 Call sim_queue_fn_mem_xi_write.
1616 (frvbf_insn_cache_preload): New function.
1617 (frvbf_data_cache_preload): New function.
1618 (frvbf_insn_cache_unlock): New function.
1619 (frvbf_data_cache_unlock): New function.
1620 (frvbf_insn_cache_invalidate): New function.
1621 (frvbf_data_cache_invalidate): New function.
1622 (frvbf_data_cache_flush): New function.
1623 * frv-sim.h (sim-options.h): Include it.
1624 (GET_HSR0): New macro.
1625 (SET_HSR0): New macro.
1626 (GET_HSR0_ICE): New macro.
1627 (SET_HSR0_ICE): New macro.
1628 (GET_HSR0_DCE): New macro.
1629 (SET_HSR0_DCE): New macro.
1630 (GET_HSR0_CBM): New macro.
1631 (GET_HSR0_RME): New macro.
1632 (GET_IHSR8): New macro.
1633 (GET_IHSR8_NBC): New macro.
1634 (frvbf_insn_cache_preload): New function.
1635 (frvbf_data_cache_preload): New function.
1636 (frvbf_insn_cache_unlock): New function.
1637 (frvbf_data_cache_unlock): New function.
1638 (frvbf_insn_cache_invalidate): New function.
1639 (frvbf_data_cache_invalidate): New function.
1640 (frvbf_data_cache_flush): New function.
1641 (insn_non_cache_access): New function.
1642 (frvbf_read_imem_USI): New function.
1643 (frvbf_mem_set_QI): New function.
1644 (frvbf_mem_set_HI): New function.
1645 (frvbf_mem_set_SI): New function.
1646 (frvbf_mem_set_DI): New function.
1647 (frvbf_mem_set_DF): New function.
1648 (frvbf_mem_set_XI): New function.
1649 (frv_options): FRV specific command line options.
1650 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1651 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1652 (cache.o): New target.
1653 (options.o): New target.
1654 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1655 * cache.h: New file.
1656 * cache.c: New file.
1657 * options.c: New file.
1658
16591999-11-29 Dave Brolley <brolley@cygnus.com>
1660
1661 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1662 (frvbf_check_non_excepting_divide): Ditto.
1663 (clear_ne_flags): Ditto
1664 (frvbf_commit): Ditto.
1665 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1666 * mloop.in (_parallel_write_init): Clear NE flags here.
1667 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1668 for non excepting insns. Also check for masked interrupts here.
1669 (frv_process_interrupts): Write NE flags here.
1670 (set_fp_exception_registers): No longer check for masked interrupts
1671 here.
1672 (check_for_compound_interrupt): No need to worry about masked
1673 interrupts.
1674 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1675 (GET_NE_FLAGS): New macro.
1676 (SET_NE_FLAGS): New macro.
1677 (GET_NE_FLAG): Operate on accumulated argument.
1678 (SET_NE_FLAG): Operate on accumulated argument.
1679 (CLEAR_NE_FLAG): Operate on accumulated argument.
1680 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1681 (frv.o): Correct dependencies.
1682 (traps.o): Ditto.
1683 (pipeline.o): Ditto.
1684 (interrupts.o): Ditto.
1685 (memory.o): Ditto.
1686 * sem.c: Regenerate.
1687
16881999-11-26 Dave Brolley <brolley@cygnus.com>
1689
1690 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1691 there is an exception indicated in the mask.
1692 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1693 state when adding a floating point insn to the pipeline.
1694 * interrupts.c (set_fp_exception_registers): Set NE flag for
1695 non-excepting insns.
1696 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1697 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1698 (frvbf_h_fr_int_get_handler): New function.
1699 (frvbf_h_fr_int_set_handler): New function.
1700 (frvbf_set_ne_index): New function.
1701 (NE_NOFLAG): New macro.
1702 (frv_interrupt_state): Add ne_index member.
1703 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1704 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1705 (frvbf_h_fr_int_get_handler): New function.
1706 (frvbf_h_fr_int_set_handler): New function.
1707 (frvbf_set_ne_index): New function.
1708 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1709
17101999-11-24 Dave Brolley <brolley@cygnus.com>
1711
1712 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1713
17141999-11-23 Dave Brolley <brolley@cygnus.com>
1715
1716 * frv-sim.h (frvbf_media_cut): New function.
1717 * frv.c (frvbf_media_cut): New function.
1718 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1719
17201999-11-22 Dave Brolley <brolley@cygnus.com>
1721
1722 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1723 * frv.c.h (frvbf_clear_all_accumulators): New function.
1724 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1725
17261999-11-18 Dave Brolley <brolley@cygnus.com>
1727
1728 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1729 if this is the first insn of its class in the pipeline.
1730 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1731 * traps.c (frvbf_media_register_not_aligned): New function.
1732 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1733
17341999-11-17 Dave Brolley <brolley@cygnus.com>
1735
1736 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1737 * frv-sim.h (OR_MSR_SIE): New macro.
1738 (CLEAR_MSR_SIE): New macro.
1739 (frvbf_media_overflow): Now takes sie argument.
1740 (frv_set_mp_exception_registers): Now takes sie argument.
1741 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1742 Set MSRx.SIE field.
1743 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1744
17451999-11-15 Dave Brolley <brolley@cygnus.com>
1746
1747 * traps.c (frv_mtrap): New function.
1748 (frvbf_media_cr_not_aligned): New function.
1749 (frvbf_media_acc_not_aligned): New function.
1750 (frvbf_media_overflow): New function.
1751 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1752 * interrupts.c: Call frv_set_mp_exception_registers.
1753 (frv_set_mp_exception_registers): New function.
1754 * frv-sim.h (frv_msr_mtt): New enumeration.
1755 (GET_MSR): New macro.
1756 (SET_MSR): New macro.
1757 (GET_MSR_AOVF): New macro.
1758 (SET_MSR_AOVF): New macro.
1759 (GET_MSR_OVF): New macro.
1760 (SET_MSR_OVF): New macro.
1761 (CLEAR_MSR_OVF): New macro.
1762 (GET_MSR_MTT): New macro.
1763 (SET_MSR_MTT): New macro.
1764 (frv_set_mp_exception_registers): New function.
1765 (frv_mtrap): New function.
1766 (FRV_IS_MEDIA_INSN): New macro.
1767 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1768
17691999-11-10 Dave Brolley <brolley@cygnus.com>
1770
1771 * sim-main.h (_sim_cpu): Add debug_state member.
1772 * mloop.in (_parallel_write_queued): Clear data_written.length.
1773 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1774 handler is 0xff.
1775 (frv_queue_break_interrupt): New function.
1776 (frv_break_interrupt): New function.
1777 (handle_interrupt): Handle break_interrupt.
1778 (frv_non_operating_interrupt): Now takes interrupt_kind.
1779 * frv-sim.h (frv_queue_break_interrupt): New function.
1780 (frv_break_interrupt): New function.
1781 (frv_break): New function.
1782 (frv_non_operating_interrupt): Now takes interrupt_kind.
1783 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1784
17851999-11-09 Dave Brolley <brolley@cygnus.com>
1786
1787 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1788 a floating point insn.
1789 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1790 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1791 frv_queue_fp_exception_interrupt.
1792 (frv_queue_fp_exception_interrupt): New function.
1793 (next_available_fq): New function.
1794 (set_fp_exception_registers): New function.
1795 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1796 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1797 (frv_program_interrupt): Don't process interrupt if it is masked.
1798 * frv.c (frvbf_h_fr_double_get_handler): Call
1799 frv_queue_fp_exception_interrupt.
1800 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1801 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1802 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1803 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1804 (frv_fp_exception_info): New struct type.
1805 (frv_interrupt_queue_element): Add fp_info member.
1806 (frv_fsr_traps): New enumeration.
1807 (frv_fsr_ftt): New enumeration.
1808 (frv_sie): New enumeration.
1809 (frv_miv): New enumeration.
1810 (GET_FSR): New macro.
1811 (SET_FSR): New macro.
1812 (GET_FSR_TEM): New macro.
1813 (SET_FSR_QNE): New macro.
1814 (SET_FSR_FTT): New macro.
1815 (GET_FSR_AEXC): New macro.
1816 (SET_FSR_AEXC): New macro.
1817 (GET_FQ): New macro.
1818 (SET_FQ): New macro.
1819 (SET_FQ_OPC): New macro.
1820 (SET_FQ_MIV): New macro.
1821 (SET_FQ_SIE): New macro.
1822 (SET_FQ_FTT): New macro.
1823 (SET_FQ_CEXC): New macro.
1824 (GET_FQ_VALID): New macro.
1825 (SET_FQ_VALID): New macro.
1826 (frv_queue_fp_exception_interrupt): New function.
1827 (FRV_IS_FLOAT_INSN): New macro.
1828
18291999-11-04 Dave Brolley <brolley@cygnus.com>
1830
1831 * traps.c (frvbf_fpu_error): No floating point errors need to be
1832 detected.
1833 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1834 of the ESR registers too.
1835 (set_exception_status_registers): Don't set EAR for any precise
1836 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1837 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1838 (non_operating_interrupt): No need for return code.
1839 (frv_program_or_software_interrupt): Process interrupt regardless
1840 of operating mode. If PSR.ET was not set at the start of processing,
1841 then stop the simulation with a message.
1842 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1843 CGEN_MEM_XI_WRITE.
1844 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1845 (frvbf_h_fr_quad_set_handler): New function.
1846 (frvbf_h_cpr_quad_set_handler): New function.
1847 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1848 sim_queue_fn_xi_write.
1849 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1850 sim_queue_fn_xi_write.
1851 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1852 sim_queue_fn_xi_write.
1853 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1854 sim_queue_mem_xi_write.
1855 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1856 sim_queue_mem_xi_write.
1857 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1858 sim_queue_mem_xi_write.
1859 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1860 (frvbf_h_fr_quad_set_handler): New function.
1861 (frvbf_h_cpr_quad_set_handler): New function.
1862 (SET_ESR_VALID): New macro.
1863 (CLEAR_ESR_VALID): New macro.
1864 (CLEAR_ESR_EAV): New macro.
1865 (CLEAR_ESR_EDV): New macro.
1866 * sem.c: Regenerate.
1867
18681999-11-02 Dave Brolley <brolley@cygnus.com>
1869
1870 * traps.c (frv_core_signal): Call
1871 frv_queue_mem_address_not_aligned_interrupt.
1872 * mloop.in (_parallel_write_queued): Call
1873 frv_save_data_written_for_interrupts.
1874 * frv.c (frvbf_h_gr_double_get_handler): Call
1875 frv_queue_register_exception_interrupt.
1876 (frvbf_h_cpr_double_get_handler): Call
1877 frv_queue_register_exception_interrupt.
1878 (frvbf_h_cpr_double_set_handler): Call
1879 frv_queue_register_exception_interrupt.
1880 (frvbf_load_multiple_GR): Call
1881 frv_queue_register_exception_interrupt.
1882 (frvbf_store_multiple_GR): Call
1883 frv_queue_register_exception_interrupt.
1884 (frvbf_load_multiple_CPR): Call
1885 frv_queue_register_exception_interrupt.
1886 (frvbf_store_multiple_CPR): Call
1887 frv_queue_register_exception_interrupt.
1888 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1889 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1890 queue element.
1891 (frv_queue_program_interrupt): Now returns interrupt queue element.
1892 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1893 element.
1894 (frv_queue_interrupt): Now returns interrupt queue element.
1895 (frv_queue_register_exception_interrupt): New function.
1896 (frv_queue_mem_address_not_aligned_interrupt): New function.
1897 (frv_save_data_written_for_interrupts): New function.
1898 (next_available_edr): EDR registers available in blocks of 4.
1899 (clear_exception_status_registers): New function.
1900 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1901
1902 * frv-sim.h (struct frv_data_written): New struct type.
1903 (frv_interrupt_queue_element): Add data_written member.
1904 (frv_queue_software_interrupt): Now returns interrupt queue element.
1905 (frv_queue_program_interrupt): Now returns interrupt queue element.
1906 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1907 element.
1908 (frv_queue_interrupt): Now returns interrupt queue element.
1909 (frv_queue_register_exception_interrupt): New function.
1910 (frv_queue_mem_address_not_aligned_interrupt): New function.
1911 (frv_save_data_written_for_interrupts): New function.
1912
19131999-10-27 Dave Brolley <brolley@cygnus.com>
1914
1915 * interrupts.c (ITABLE_ENTRY): New macro.
1916 (frv_interrupt_table): Add exception codes.
1917 (next_available_esr): New function.
1918 (next_available_edr): New function.
1919 (set_edr_register): New function.
1920 (set_exception_status_registers): New function.
1921 (check_for_compound_interrupt): Record information on all interrupts
1922 found.
1923 (frv_program_interrupt): Always call check_for_compound_interrupt.
1924 * frv.c (frvbf_h_pc_set_handler): Removed.
1925 (frvbf_h_spr_get_handler): Handle LR register.
1926 (frvbf_h_spr_set_handler): Handle LR register.
1927 (frvbf_h_lr_get_handler): New function.
1928 (frvbf_h_lr_set_handler): New function.
1929 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1930 (frvbf_h_lr_set_handler): New function.
1931 (frv_ec): New enumeration.
1932 (frv_interrupt): Add frv_ec field.
1933 (frv_rec): New enumeration.
1934 (frv_daec): New enumeration.
1935 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1936 (SET_ESR_EC): New macro.
1937 (SET_ESR_REC): New macro.
1938 (SET_ESR_IAEC): New macro.
1939 (SET_ESR_DAEC): New macro.
1940 (SET_ESR_EAV): New macro.
1941 (GET_ESR_EDV): New macro.
1942 (SET_ESR_EDV): New macro.
1943 (GET_ESR_EDN): New macro.
1944 (SET_ESR_EDN): New macro.
1945 (GET_ESR): New macro.
1946 (SET_ESR): New macro.
1947 (SET_EPCR): New macro.
1948 (SET_EAR): New macro.
1949 (SET_EDR): New macro.
1950 (GET_ESFR): New macro.
1951 (SET_ESFR): New macro.
1952 * cpu.c,cpu.h,sem.c: Rebuild.
1953
19541999-10-26 Dave Brolley <brolley@cygnus.com>
1955
1956 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1957 if mach is frv.
1958 (clear_nesr_neear): Only execute if mach is frv.
1959
19601999-10-22 Dave Brolley <brolley@cygnus.com>
1961
1962 * sim-main.h (sim_cpu): Add pipeline.
1963 (CPU_PIPELINE): New macro.
1964 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1965 (main loop): Maintain pc in cpu.
1966 * frv-sim.h (frv_queue_software_interrupt): New interface.
1967 (frv_queue_program_interrupt): New interface.
1968 (frv_queue_illegal_instruction_interrupt: New interface.
1969 (frv_queue_interrupt): New interface.
1970 (frv_detect_insn_access_interrupts): New interface.
1971 (frv_process_interrupts): New interface.
1972 (frv_program_interrupt): New interface.
1973 (frv_software_interrupt): New interface.
1974 (frv_program_or_software_interrupt): New interface.
1975 (FRV_PIPELINE): Moved from pipline.c.
1976 (frv_pipeline_reset): New interface.
1977 (frv_pipeline_add_insn): New interface.
1978 * interrupts.c (frv_queue_software_interrupt): New interface.
1979 (frv_queue_program_interrupt): New interface.
1980 (frv_queue_illegal_instruction_interrupt: New interface.
1981 (frv_queue_interrupt): New interface.
1982 (frv_detect_insn_access_interrupts): New interface.
1983 (frv_process_interrupts): New interface.
1984 (frv_program_interrupt): New interface.
1985 (frv_software_interrupt): New interface.
1986 (frv_program_or_software_interrupt): New interface.
1987 * frv.c: Use new interfaces.
1988 * pipeline.c: Use new interfaces.
1989 * traps.c: Use new interfaces.
1990 * memory.c: Use new interfaces.
1991 (frv_address_forbidden): No longer static.
1992
19931999-10-19 Dave Brolley <brolley@cygnus.com>
1994
1995 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1996 NESR.EC.
1997 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1998 * frv.c (frvbf_h_pc_set_handler): New function.
1999 * interrupts.c (frv_detect_data_interrupt): Removed.
2000 (address_forbidden): Removed.
2001 * frv-sim.h (frv_detect_data_interrupt): Removed.
2002 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2003 (NESR_REGISTER_NOT_ALIGNED): New macro.
2004 (NESR_UQI_SIZE): New macro.
2005 (NESR_QI_SIZE): New macro.
2006 (NESR_UHI_SIZE): New macro.
2007 (NESR_HI_SIZE): New macro.
2008 (NESR_SI_SIZE): New macro.
2009 (NESR_DI_SIZE): New macro.
2010 (NESR_XI_SIZE): New macro.
2011 (GET_NESR_DAEC): New macro.
2012 (SET_NESR_DAEC): New macro.
2013 (GET_NESR_REC): New macro.
2014 (SET_NESR_REC): New macro.
2015 (GET_NESR_EC): New macro.
2016 (SET_NESR_EC): New macro.
2017 (frvbf_read_mem_QI): New function.
2018 (frvbf_read_mem_UQI): New function.
2019 (frvbf_read_mem_HI): New function.
2020 (frvbf_read_mem_UHI): New function.
2021 (frvbf_read_mem_SI): New function.
2022 (frvbf_read_mem_WI): New function.
2023 (frvbf_read_mem_DI): New function.
2024 (frvbf_read_mem_DF): New function.
2025 (frvbf_write_mem_QI): New function.
2026 (frvbf_write_mem_UQI): New function.
2027 (frvbf_write_mem_HI): New function.
2028 (frvbf_write_mem_UHI): New function.
2029 (frvbf_write_mem_SI): New function.
2030 (frvbf_write_mem_WI): New function.
2031 (frvbf_write_mem_DI): New function.
2032 (frvbf_write_mem_DF): New function.
2033 * Makefile.in (SIM_OBJS): Add memory.o.
2034 * cpu.c,cpu.h,sem.c: Rebuild.
2035
20361999-10-18 Dave Brolley <brolley@cygnus.com>
2037
2038 * sim-if.c (sim_open): Use a real fpu error function.
2039 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2040 * mloop.in (_parallel_write_queued): Clear queue after writing.
2041 * interrupts.c (check_for_compound_interrupt): New function.
2042 (non_operating_interrupt): New function.
2043 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2044 (frvbf_h_gr_double_set_handler): New function.
2045 (frvbf_h_fr_double_get_handler): New function.
2046 (frvbf_h_fr_double_set_handler): New function.
2047 (frvbf_h_cpr_double_get_handler): New function.
2048 (frvbf_h_cpr_double_set_handler): New function.
2049 (frv_interrupt_queue_element): New struct type.
2050 (frv_queue_program_interrupt): Now takes pc.
2051 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2052 (frv_queue_interrupt): Now takes pc.
2053 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2054 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2055 (frvbf_division_exception): New function.
2056 (frvbf_fpu_error): New function.
2057 (frvbf_load_multiple_GR): New function.
2058 (frvbf_load_multiple_FR): New function.
2059 (frvbf_load_multiple_CPR): New function.
2060 * frv.c (frvbf_h_gr_double_get_handler): New function.
2061 (frvbf_h_gr_double_set_handler): New function.
2062 (frvbf_h_fr_double_get_handler): New function.
2063 (frvbf_h_fr_double_set_handler): New function.
2064 (frvbf_h_cpr_double_get_handler): New function.
2065 (frvbf_h_cpr_double_set_handler): New function.
2066 (frv_interrupt_queue_element): New struct type.
2067 (frv_queue_program_interrupt): Now takes pc.
2068 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2069 (frv_queue_interrupt): Now takes pc.
2070 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2071 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2072 (frvbf_fpu_error): New function.
2073 (frvbf_load_multiple_GR): New function.
2074 (frvbf_load_multiple_FR): New function.
2075 (frvbf_load_multiple_CPR): New function.
2076 * traps.c (frvbf_division_exception): New function.
2077 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2078
20791999-10-12 Dave Brolley <brolley@cygnus.com>
2080
2081 * mloop.in (new_vpc): New variable.
2082 (main loop): Call frv_detect_insn_access_interrupts. Call
2083 frv_detect_data_interrupts.
2084 * interrupts.c (access_queued_to): New function.
2085 (frv_detect_data_interrupts): New function.
2086 (frv_detect_insn_access_interrupts): New function.
2087 (frv_program_or_software_interrupt): Set PSR.S.
2088 * frv-sim.h (frv_detect_data_interrupts): New function.
2089 (frv_detect_insn_interrupts): New function.
2090
20911999-10-07 Dave Brolley <brolley@cygnus.com>
2092
2093 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2094 (frvbf_h_gr_hi_set_handler): New function.
2095 (frvbf_h_gr_lo_get_handler): New function.
2096 (frvbf_h_gr_lo.set_handler): New function.
2097 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2098 (frvbf_h_gr_hi_set_handler): New function.
2099 (frvbf_h_gr_lo_get_handler): New function.
2100 (frvbf_h_gr_lo.set_handler): New function.
2101 (frvbf_model_fr500_u_integer): New function.
2102 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2103
21041999-10-04 Dave Brolley <brolley@cygnus.com>
2105
2106 * traps.c: Use sim_engine_abort.
2107 * pipeline.c (frv_pipeline): Add field for insn major.
2108 (add_next_to_pipe): Return address of matching pipeline.
2109 (find_major_in_pipeline): New function.
2110 (check_insn_major_constraints: New function.
2111 (frv_pipeline_add_insn): Add checks for insn major constraints.
2112 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2113 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2114
2115Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2116
2117 * pipeline.c: New file.
2118 * mloop.in (main loop): Call frv_pipeline_reset.
2119 Call frv_pipeline_add_insn.
2120 * frv-sim.h (frv_pipeline_reset): New function.
2121 (frv_pipeline_add_insn): New function.
2122 * Makefile.in (SIM_OBJS): Add pipeline.o
2123
21241999-09-29 Doug Evans <devans@casey.cygnus.com>
2125
2126 * sem.c: Rebuild.
2127 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2128 result to SEM_PC. Return vpc.
2129
2130Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2131
2132 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2133 (frv_queue_interrupt): Don't detect identical interrupts here.
2134
2135Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2136
2137 * interrupts.c: New file.
2138 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2139 (frv_software_interrupt): Moved to interrupts.c.
2140 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2141 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2142 (@cpu@_perform_writeback): New function.
2143 (main loop): Call frv_process_interrupts.
2144 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2145 (frv_itrap): New interface.
2146 (frv_interrupt_class): New enumeration.
2147 (frv_interrupt_kind): New enumeration.
2148 (struct frv_interrupt): New struct type.
2149 (frv_interrupt_table): New table of interrupt information.
2150 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2151 (struct frv_interrupt_state): New struct type.
2152 (frv_interrupt_state): New global variable.
2153 (previous_vliw_pc): New global variable.
2154 (frv_queue_software_interrupt): New function.
2155 (frv_queue_program_interrupt): New function.
2156 (frv_queue_interrupt): New function.
2157 (frv_process_interrupts): New function.
2158 (frv_program_interrupt): New function.
2159 (frv_software_interrupt): New function.
2160 (frv_program_or_software_interrupt): New function.
2161 (frv_clear_interrupt_classes): New function.
2162 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2163 * Makefile.in (SIM_OBJS): Add interrupts.o
2164 * sem.c: Rebuild.
2165
21661999-09-25 Doug Evans <devans@casey.cygnus.com>
2167
2168 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2169
2170Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2171
2172 * mloop.in (main loop): Determine last insn from scache entry.
2173 * cpu.h: Rebuild.
2174 * cpuall.h: Rebuild.
2175
2176Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2177
2178 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2179 (NECR_ELOS): Define as unshifted value.
2180 (NECR_NEN): Define as unshifted value.
2181 (NECR_VALID): Define as unshifted value.
2182 (SET_NESR): Rewite to use post-write queue.
2183 (SET_NESR_VALID): Rewite to operate on argument.
2184 (SET_NESR_EAV): Rewite to operate on argument.
2185 (SET_NESR_FR): Rewite to operate on argument.
2186 (CLEAR_NESR_FR): Rewite to operate on argument.
2187 (SET_NESR_DRN): Rewite to operate on argument.
2188 (SET_NESR_SIZE): Rewite to operate on argument.
2189 (SET_NESR_NEAN): Rewite to operate on argument.
2190 (SET_NEEAR): Rewite to use post-write queue.
2191 (SET_NE_FLAG): Rewite to use post-write queue.
2192 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2193 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2194 (frv_rett): Rewite to use post-write queue.
2195 (next_available_nesr): Rewrite to use new macro interfaces.
2196 (next_valid_nesr): Ditto.
2197 (frvbf_check_non_excepting_load): Ditto.
2198 (frvbf_check_recovering_store): Ditto.
2199 (clear_nesr_neear): Ditto.
2200 (clear_ne_flags): Ditto.
2201 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2202 when flag is set.
2203 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2204 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2205 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2206 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2207 * Makefile.in (frv.o): Depend on cgen-par.h.
2208
2209Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2210
2211 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2212 (frvbf_write_next_vliw_addr_to_LR): New flag.
2213 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2214 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2215 address of the next VLIW insn if flag is set.
2216 * cpu.h,decode.c,sem.c: Rebuild.
2217
2218Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2219
2220 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2221 * sem.c: Rebuild.
2222
22231999-09-02 Doug Evans <devans@casey.cygnus.com>
2224
2225 * configure: Regenerated to track ../common/aclocal.m4 changes.
2226
22271999-09-01 Doug Evans <devans@casey.cygnus.com>
2228
2229 * decode.c: Rebuild.
2230
2231Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2232
2233 * traps.c (frv_rett): New function.
2234 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2235 (frvbf_h_spr_set_handler): Handle bpsr.
2236 (frvbf_h_bpsr_get_handler): New function.
2237 (frvbf_h_bpsr_set_handler): New function.
2238 * frv-sim.h (frv_rett): New function.
2239 (frvbf_h_bpsr_get_handler): New function.
2240 (frvbf_h_bpsr_set_handler): New function.
2241 * mloop.in: Read actual packing bit.
2242 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2243
2244Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2245
2246 * traps.c (WANT_CPU): New macro.
2247 (WANT_CPU_FRVBF): New macro.
2248 (frvbf_check_recovering_store): Use registers for source and queue
2249 writes.
2250 * mloop.in: New main loop for parallel support.
2251 (@cpu@_parallel_write_init): New function.
2252 (@cpu@_parallel_write_queued): New function.
2253 * frv-sim.h (set_icc_for_shift_left): New interface.
2254 (set_icc_for_shift_right): New interface.
2255 (frvbf_check_recovering_store): New interface.
2256 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2257 (set_icc_for_shift_right): Pass and return icc value.
2258 (frvbf_check_recovering_store): New interface.
2259 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2260 (stamp-mloop): Add cgen parallel options.
2261 (stamp-arch): Remove with-profile option.
2262 (stamp-cpu): Add cgen parallel options.
2263 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2264
22651999-08-28 Doug Evans <devans@casey.cygnus.com>
2266
2267 * cpu.h,decode.c,sem.c: Rebuild.
2268
2269Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2270
2271 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2272
2273Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2274
2275 * configure.in: fr500 now the default model.
2276 * configure: Regenerate.
2277 * frv.c: Change frv-1 to frv-gen.
2278 (frvbf_model_fr500_u_exec): New function.
2279 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2280 * mloop.in: Fix typos in comments.
2281 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2282
22831999-08-17 Dave Brolley <brolley@cygnus.com>
2284
2285 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2286
22871999-08-09 Doug Evans <devans@casey.cygnus.com>
2288
2289 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2290
22911999-08-04 Doug Evans <devans@casey.cygnus.com>
2292
2293 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2294
2295Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2296
2297 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2298 (frvbf_store_register): Use GDB register number macros.
2299 (frvbf_cut): New function.
2300 * frv-sim.h (GR_REGNUM_MAX): New macro.
2301 (FR_REGNUM_MAX): New macro.
2302 (PC_REGNUM): New macro.
2303 (LR_REGNUM): New macro.
2304 (frvbf_cut): New function.
2305 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2306
23071999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2308
2309 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2310 add default for unhandled registers.
2311 (frvbf_store_register): Add ability to set LR register.
2312
23131999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2314
2315 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2316 (decode_gdb_dr_regnum): Remove, not used.
2317
23181999-07-13 Michael Meissner <meissner@cygnus.com>
2319
2320 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2321
2322 * configure.in (--enable-sim-trapdump): New switch to make unknown
2323 traps dump the register contents, instead of doing the trap thing.
2324 * configure: Regenerate.
2325
2326 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2327 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2328 temporarily.
2329
2330 * traps.h (toplevel): Include bfd.h, libiberity.h.
2331 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2332 dumping the registers.
2333
2334Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2335
2336 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2337
2338Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2339
2340 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2341
2342Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2343
2344 * frv.c (frvbf_square_root_SF): Removed.
2345 (frvbf_square_root_DF): Removed.
2346 (frvbf_h_fr_double_get_handler): Removed.
2347 (frvbf_h_fr_double_set_handler): Removed.
2348 (frvbf_h_fr_int_get_handler): Removed.
2349 (frvbf_h_fr_int_set_handler): Removed.
2350 * frv-sim.h (frvbf_square_root_SF): Removed.
2351 (frvbf_square_root_DF): Removed.
2352 (frvbf_h_fr_double_get_handler): Removed.
2353 (frvbf_h_fr_double_set_handler): Removed.
2354 (frvbf_h_fr_int_get_handler): Removed.
2355 (frvbf_h_fr_int_set_handler): Removed.
2356 * decode.c,decode.h,model.c,sem.c: Rebuild.
2357
23581999-07-05 Doug Evans <devans@casey.cygnus.com>
2359
2360 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2361 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2362 * sim-if.c (sim_open): Initialize fpu.
2363 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2364 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2365 with frvbf_h_fr_get.
2366
2367Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2368
2369 * frv-sim.h (NESR_RANGE): New macro.
2370 (NO_NESR): New macro.
2371 (GET_NESR_VALID): New macro.
2372 (next_ne_index): Removed.
2373 * traps.c (next_available_nesr): New function.
2374 (next_valid_nesr): New function.
2375 (frvbf_check_non_excepting_load): Use next_available_nesr.
2376 (frvbf_check_recovering_store): Use next_available_nesr and
2377 next_valid_nesr.
2378 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2379 (frvbf_check_recovering_store): Only consider one matching register.
2380 * sem.c: Rebuild.
2381
2382Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2383
2384 * frv.c (frvbf_square_root_SF): New function.
2385 (frvbf_square_root_DF): New function.
2386 (frvbf_h_fr_double_get_handler): New function.
2387 (frvbf_h_fr_double_set_handler): New function.
2388 * frv-sim.h (frvbf_square_root_SF): New function.
2389 (frvbf_square_root_DF): New function.
2390 (frvbf_h_fr_double_get_handler): New function.
2391 (frvbf_h_fr_double_set_handler): New function.
2392 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2393
23941999-06-28 Dave Brolley <brolley@cygnus.com>
2395
2396 * decode.c,decode.h,model.c,sem.c: Regenerate.
2397
2398Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2399
2400 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2401 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2402 (frvbf_h_fr_int_set_handler): New function.
2403 (frvbf_store_multiple_FRint): New function.
2404 (frvbf_square_root_SF): New function.
2405 * frv.c (frvbf_h_fr_int_get_handler): New function.
2406 (frvbf_h_fr_int_set_handler): New function.
2407 (frvbf_store_multiple_FRint): New function.
2408 (frvbf_square_root_SF): New function.
2409 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2410
24111999-06-23 Doug Evans <devans@casey.cygnus.com>
2412
2413 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2414 to genmloop.sh. Pass -scache instead.
2415 (mloop.o): Delete sem-switch.c dependency.
2416 (sem-switch.c): Delete rule.
2417 (stamp-cpu): Don't build sem-switch.c.
2418 * sem-switch.c: Delete.
2419 * mloop.in (xfull-exec-*): Fix call to execute.
2420 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2421
2422 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2423
2424Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2425
2426 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2427
2428Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2429
2430 * mloop.in (execute): Force gr0 to zero before each insn.
2431 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2432
24331999-06-18 Doug Evans <devans@casey.cygnus.com>
2434
2435 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2436
2437Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2438
2439 * frv.c (frvbf_h_gr_get_handler): New function.
2440 (frvbf_h_gr_set_handler): New function:
2441 (frvbf_store-multiple_GR): New function:
2442 (frvbf_store-multiple_FR): New function:
2443 (frvbf_store-multiple_CPR): New function:
2444 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2445 (frvbf_h_gr_set_handler): New function:
2446 (frvbf_store-multiple_GR): New function:
2447 (frvbf_store-multiple_FR): New function:
2448 (frvbf_store-multiple_CPR): New function:
2449 * traps.c (frv_itrap): Implement proper syscalls interface.
2450 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2451
2452Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2453
2454 * traps.c (frvbf_check_non_excepting_divide): New function.
2455 (frvbf_check_recovering_store): New function.
2456 (clear_nesr_neear): New function.
2457 (clear_ne_flags): New function.
2458 (frvbf_commit): New function.
2459
2460 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2461 (frvbf_check_recovering_store): New function.
2462 (clear_nesr_neear): New function.
2463 (clear_ne_flags): New function.
2464 (frvbf_commit): New function.
2465 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2466
24671999-06-16 Dave Brolley <brolley@cygnus.com>
2468
2469 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2470 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2471 * traps.c (next_ne_index): New variable.
2472 (frvbf_check_non_excepting_load): New function.
2473 * frv-sim.h (NECR_ELOS): New macro.
2474 (NECR_NEN): New macro.
2475 (NECR_VALID): New macro.
2476 (SET_NESR_VALID): New macro.
2477 (SET_NESR_EAV): New macro.
2478 (SET_NESR_FR): New macro.
2479 (CLEAR_NESR_FR): New macro.
2480 (SET_NESR_DRN): New macro.
2481 (SET_NESR_SIZE): New macro.
2482 (SET_NESR_NEAN): New macro.
2483 (SET_NEEAR): New macro.
2484 (GET_NE_FLAG): New macro.
2485 (SET_NE_FLAG): New macro.
2486 (CLEAR_NE_FLAG): New macro.
2487 (frvbf_check_non_excepting_load): New function:
2488 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2489
2490Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2491
2492 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2493
2494Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2495
2496 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2497 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2498
2499Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2500
2501 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2502
25031999-06-07 Dave Brolley <brolley@cygnus.com>
2504
2505 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2506
2507Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2508
2509 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2510
2511Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2512
2513 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2514
2515Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2516
2517 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2518
2519Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2520
2521 * traps.c (frv_software_interrupt): Pass current_cpu to
2522 frvbf_h_psr_esr_get.
2523 (frv_software_interrupt): Calculate the new PC based on TBR.
2524 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2525
25261999-05-31 Dave Brolley <brolley@cygnus.com>
2527
2528 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2529
2530Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2531
2532 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2533 (frvbf_h_cccr_set_handler): New function.
2534 (frvbf_scan_result): New function.
2535 (frvbf_cr_logic): New function.
2536 * frv.c (frvbf_h_cccr_get_handler): New function.
2537 (frvbf_h_cccr_set_handler): New function.
2538 (frvbf_scan_result): New function.
2539 (frvbf_cr_logic): New function.
2540 (cr_ops,cr_result,cr_logic): New table.
2541 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2542
25431999-05-25 Dave Brolley <brolley@cygnus.com>
2544
2545 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2546 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2547 (frv_psr_get_handler): New function.
2548 (frv_psr_set_handler): New function.
2549 (frv_tbr_get_handler): New function.
2550 (frv_tbr_set_handler): New function.
2551 (frvbf_h_ccr_get_handler): Add support for fCC.
2552 (frvbf_h_ccr_set_handler): Add support for fCC.
2553 * frv-sim.h (frv_psr_get_handler): New function.
2554 (frv_psr_set_handler): New function.
2555 (frv_tbr_get_handler): New function.
2556 (frv_tbr_set_handler): New function.
2557 * traps.c (frv_software_interrupt): Implement.
2558 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2559
2560Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2561
2562 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2563
25641999-05-18 Dave Brolley <brolley@cygnus.com>
2565
2566 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2567 (frvbf_set_icc_for_shift_right): New function.
2568 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2569 (frvbf_set_icc_for_shift_right): New function.
2570 (SETMEMSF): New Macro.
2571 (SETMEMDF): New Macro.
2572 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2573
2574Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2575
2576 * frv.c (frvbf_h_ccr_get_handler): New function.
2577 (frvbf_h_ccr_set_handler): New function.
2578 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2579
2580Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2581
2582 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2583 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2584 * frv.c: Likewise.
2585 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2586
25871999-05-10 Dave Brolley <brolley@cygnus.com>
2588
2589 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2590
2591Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2592
2593 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2594 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2595
2596Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2597
2598 * traps.c (frv_software_interrupt): New function.
2599 (frv_itrap): New function.
2600 * frv-sim.h (TRAP_SYSCALL): define as 0.
2601 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2602
2603Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2604
2605 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2606
2607Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2608
2609 * Directory created.
GDB Binutils - Deliverables
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