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[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
d6416cdc
RW		 12009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2
81ecdfbb
RW		 3 * config.in: Regenerate.
4 * configure: Likewise.
5
d6416cdc
RW		 6 * configure: Regenerate.
7
7b1a2840
HPN		 82009-01-07 Hans-Peter Nilsson <hp@axis.com>
9
10 * sem.c: Regenerate.
11
bce3bbcb
HPN		 122008-12-23 Hans-Peter Nilsson <hp@axis.com>
13
14 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
15 model.c, sem.c: Regenerate.
16
b5bd9624
HPN		 172008-07-11 Hans-Peter Nilsson <hp@axis.com>
18
19 * configure: Regenerate to track ../common/common.m4 changes.
20 * config.in: Ditto.
21
6efef468
JM		 222008-06-06 Vladimir Prus <vladimir@codesourcery.com>
23 Daniel Jacobowitz <dan@codesourcery.com>
24 Joseph Myers <joseph@codesourcery.com>
25
26 * configure: Regenerate.
27
b1bfc053
HPN		 282006-12-21 Hans-Peter Nilsson <hp@axis.com>
29
30 * config.in: Regenerate.
31
e85e3205
RE		 322006-06-13 Richard Earnshaw <rearnsha@arm.com>
33
34 * configure: Regenerated.
35
2f0122dc
DJ		 362006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
37
38 * configure: Regenerated.
39
20e95c23
DJ		 402006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
41
42 * configure: Regenerated.
43
79e59fe6
DB		 442005-10-28 Dave Brolley <brolley@redhat.com>
45
46 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
47
48 Contribute the following changes:
49 2003-09-29 Dave Brolley <brolley@redhat.com>
50
51 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
52 CGEN_ATTR_VALUE_TYPE.
53 * mloop.in: Ditto.
54 * pipeline.c: Ditto.
55 * traps.c: Ditto.
56
2b193c4a
MK		 572005-03-23 Mark Kettenis <kettenis@gnu.org>
58
59 * configure: Regenerate.
60
35695fd6
AC		 612005-01-14 Andrew Cagney <cagney@gnu.org>
62
63 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
64 explicit call to AC_CONFIG_HEADER.
65 * configure: Regenerate.
66
f0569246
AC		 672005-01-12 Andrew Cagney <cagney@gnu.org>
68
69 * configure.ac: Update to use ../common/common.m4.
70 * configure: Re-generate.
71
38f48d72
AC		 722005-01-11 Andrew Cagney <cagney@localhost.localdomain>
73
74 * configure: Regenerated to track ../common/aclocal.m4 changes.
75
b7026657
AC		 762005-01-07 Andrew Cagney <cagney@gnu.org>
77
78 * configure.ac: Rename configure.in, require autoconf 2.59.
79 * configure: Re-generate.
80
379832de
HPN		 812004-12-08 Hans-Peter Nilsson <hp@axis.com>
82
83 * configure: Regenerate for ../common/aclocal.m4 update.
84
45aa12b4
RS		 852004-08-27 Richard Sandiford <rsandifo@redhat.com>
86
87 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
88 * cpuall.h, model.c, sem.c: Regenerated.
89
676a64f4
RS		 902004-03-01 Richard Sandiford <rsandifo@redhat.com>
91
92 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
93 (profile-fr450.o): New dependency.
94 (stamp-cpu): Add fr450 to the list of machs.
95 * sim-frv.h (SPR_IS_ACC): New macro.
96 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
97 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
98 * frv.c (check_register_alignment, check_fr_register_alignment)
99 (check_memory_alignment, do_media_average): Likewise.
100 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
101 rather than a consecutive range.
102 * interrupts.c (frv_queue_illegal_instruction_interrupt)
103 (frv_queue_non_implemented_instruction_interrupt): Handle
104 bfd_mach_fr450.
105 * memory.c (check_data_read_address, check_readwrite_address)
106 (check_insn_read_address, check_write_address): Likewise.
107 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
108 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
109 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
110 * profile-fr450.c: New file.
111 * registers.c (fr450_spr): New array.
112 (frv_register_control_init): Check its size. Use it for fr450.
113 (frv_check_register_access): Handle bfd_mach_fr450.
114 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
115 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
116 (frvbf_media_acc_not_aligned): Likewise.
117 (frvbf_media_register_not_aligned): Likewise.
118 * arch.c: Regenerate.
119 * arch.h: Regenerate.
120 * cpu.h: Regenerate.
121 * cpuall.h: Regenerate.
122 * decode.h: Regenerate.
123 * model.c: Regenerate.
124
c7a48b9a
RS		 1252004-03-01 Richard Sandiford <rsandifo@redhat.com>
126
127 * cache.c (frv_cache_init): Change fr400 cache statistics to match
128 the fr405.
129 (non_cache_access): Add missing breaks.
130 * interrupts.c (set_exception_status_registers): Always set EAR15
131 for data_access_errors.
132 * memory.c (fr400_check_write_address): Remove redundant alignment
133 check.
134 * model.c: Regenerate.
135
8b73069f
RS		 1362004-03-01 Richard Sandiford <rsandifo@redhat.com>
137
138 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
139
8ae0baa2
RS		 1402004-03-01 Richard Sandiford <rsandifo@redhat.com>
141
142 * decode.c, decode.h, model.c, sem.c: Regenerate.
143
d74c4203
KB		 1442003-11-24 Kevin Buettner <kevinb@redhat.com>
145
146 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
147 (SPR_REGNUM_MAX): Delete.
148 * frv.c (gdb/sim-frv.h): Include.
149 (frvbf_fetch_register, frvbf_store_register): Use register number
150 constants from gdb/sim-frv.h. Check availability of general
151 purpose and float registers.
152
0b01870b
DB		 1532003-11-03 Dave Brolley <brolley@redhat.com>
154
155 * cache.c (address_interference): Check for higher priority requests
156 in the same pipeline.
157
9a29f3ca
DB		 1582003-10-31 Dave Brolley <brolley@redhat.com>
159
162cec1b 160 * frv-sim.h (LR_REGNUM): Removed.
073926e5 161 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 162 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 163 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 164 Return 0 for an unimplemented register. Return the length of the data
165 for an implemented register.
166 (frvbf_store_register): Ditto.
167
fc0a2244
AC		 1682003-10-30 Andrew Cagney <cagney@redhat.com>
169
170 * traps.c: Replace "struct symbol_cache_entry" with "struct
171 bfd_symbol".
172
29a79ca0
DB		 1732003-10-10 Dave Brolley <brolley@redhat.com>
174
175 * cpu.h, sem.c: Regenerate.
176
e930b1f5
DB		 1772003-10-06 Dave Brolley <brolley@redhat.com>
178
179 * profile-fr550.[ch]: New files.
180 * configure.in: Move frv handling to alphabetically correct placement.
181 * Makefile.in: Add fr550 support.
182 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
183 profile.[ch],registers.c,traps.c: Add fr550 support.
184 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
185 Regenerate.
186
22f367a7
DB		 1872003-09-25 Dave Brolley <brolley@redhat.com>
188
189 * reset.c (frv_initialize): Call frv_register_control_init first.
190
1c453cd6
DB		 1912003-09-24 Dave Brolley <brolley@redhat.com>
192
193 * profile.h (update_FR_ptime): New prototype.
194 (update_FRdouble_ptime): Ditto.
195 (update_SPR_ptime): Ditto.
196 (increase_ACC_busy): Ditto.
197 (enforce_full_acc_latency): Ditto.
198 (post_wait_for_SPR): Ditto.
199 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
200 (update_FRdouble_ptime): Ditto.
201 (update_SPR_ptime): New function.
202 (increase_ACC_busy): Ditto.
203 (enforce_full_acc_latency): Ditto.
204 (vliw_wait_for_fdiv_resource): Correct resource name.
205 (vliw_wait_for_fsqrt_resource): Ditto.
206 (post_wait_for_SPR): New function.
207 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
208 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
209 adjust_float_register_busy.
210 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
211 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
212 registers.
213 (frvbf_model_fr500_u_float_arith): Ditto.
214 (frvbf_model_fr500_u_float_dual_arith): Ditto.
215 (frvbf_model_fr500_u_float_div): Ditto.
216 (frvbf_model_fr500_u_float_sqrt): Ditto.
217 (frvbf_model_fr500_u_float_convert): Ditto.
218 (update_FR_ptime): Moved to profile.c
219 (update_FRdouble_ptime): Moved to profile.c
220 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
221 for other machines.
222 (update_FRdouble_ptime): Ditto.
223 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
224
153431d6
DB		 2252003-09-12 Dave Brolley <brolley@redhat.com>
226
227 * registers.c (frv_check_spr_read_access): Check for access to
228 ACC4-ACC63 and ACCG4-ACCG63.
229 * profile.h (frv-desc.h): #include it.
230 (spr_busy): New member of FRV_PROFILE_STATE.
231 (spr_latency): Ditto.
232 (GNER_FOR_GR): New macro.
233 (FNER_FOR_FR): New maccro.
234 (update_SPR_latency): New function.
235 (vliw_wait_for_SPR): New function.
93938d47 236 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 237 (update_target_latencies): Ditto.
238 (update_SPR_latency): New function.
239 (vliw_wait_for_SPR): New function.
240 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
241 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
242 (frvbf_model_fr500_u_check): Ditto.
243 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
244 (frvbf_model_fr500_u_clrfr): Ditto.
245 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
246 (frvbf_model_fr500_u_gr2spr): Ditto.
247 * frv-sim.h (H_SPR_ACC4): New macro.
248 (H_SPR_ACCG4): New macro;
249 (H_SPR_ACC0): Removed.
250 (H_SPR_ACCG0): Removed.
251 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
252
ba9c4053
DB		 2532003-09-10 Dave Brolley <brolley@redhat.com>
254
255 * profile.c (slot_names): FM1 was listed twice. Changed first
256 instance to FM0. Added IALL, FMALL and FMLOW.
257 (print_parallel): Don't examine slots with no insns.
258
f9e18f5a
DB		 2592003-09-09 Dave Brolley <brolley@redhat.com>
260
261 * frv.c (do_media_average): Select machine using a switch.
262
d89a78b6
DB		 2632003-09-08 Dave Brolley <brolley@redhat.com>
264
265 On behalf of Doug Evans <dje@sebabeach.org>
266 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
267 Remove copying of .cpu file to cgen/cpu, no longer needed.
268
d03ea14f
DB		 2692003-09-03 Dave Brolley <brolley@redhat.com>
270
271 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
272
e8d2f504
DB		 2732003-08-29 Dave Brolley <brolley@redhat.com>
274
275 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
276 temporarily when regenerating files.
277 (stamp-cpu): Ditto.
278
b34f6357
DB		 2792003-08-20 Micheal Snyder <msnyder@redhat.com>
280
281 * All generated files: Regenerate.
282
2832001-10-11 Dave Brolley <brolley@redhat.com>
284
285 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
286
2872001-10-09 Dave Brolley <brolley@redhat.com>
288
289 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
290 not set.
291 * reset.c (frv_hardware_reset): Invalidate both caches.
292 * registers.c: Update init, reset and read-only masks for all registers
293 on all machines.
294 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
295 (prev_gr_complex): New field of FRV_PROFILE_STATE
296 (set_use_is_gr_complex): New function.
297 (set_use_not_gr_complex): New function.
298 (use_is_gr_complex): New function.
299 (decrease_GR_busy): New function.
300 * profile.c (reset_gr_flags): New function.
301 (reset_cc_flags): New function.
302 (set_use_is_gr_complex): New function.
303 (set_use_not_gr_complex): New function.
304 (use_is_gr_complex): New function.
305 (update_latencies): Reset gr and cc flags when latency reaches 0.
306 (decrease_GR_busy): New function.
307 * profile-fr400.h (fr500_reset_acc_flags): Removed.
308 (fr500_reset_cc_flags): New function.
309 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
310 LSI version 1.41.
311 * profile-fr400.h (fr400_reset_gr_flags): New function.
312 (fr400_reset_fr_flags): New function.
313 (fr400_reset_acc_flags): New function.
314 * profile-fr400.c (set_use_not_media_p4): New function.
315 (set_use_not_media_p6): New function.
316 (set_acc_use_not_media_p2): New function.
317 (set_acc_use_not_media_p4): New function.
318 (fr400_reset_gr_flags): New function.
319 (fr400_reset_fr_flags): New function.
320 (fr400_reset_acc_flags): New function.
321 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
322 (frvbf_model_fr400_u_media_hilo): New function.
323 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
324 * memory.c (fr400_check_data_read_address): Check address range only
325 for double word loads. Don't check alignment here.
326 (fr400_check_readwrite_address): New function.
327 (fr500_check_readwrite_address): New function.
328 (check_readwrite_address): New function.
329 (fr500_check_insn_read_address): Correct address ranges.
330 (frvbf_read_mem_*): Check address range here.
331 (frv_address_forbidden): Removed.
332 (fr400_check_write_address): New function.
333 (check_write_address): New function.
334 (frvbf_write_mem_*): Don't check address range here.
335 (frvbf_mem_set_*): Check address range here.
336 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
337 address as second argument.
338 (frv_queue_data_access_exception_interrupt): New function.
339 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
340 media insns on fr400.
341 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
342 for media insns on fr400.
343 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
344 of insns here. Check for MTRAP insn if PSR.EM is not set.
345 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
346 set.
347 (set_exception_status_registers): Do not always set EPCR. Set EAR for
348 data_acess_error only if not fr400.
349 * frv.c (do_media_average): New function.
350 (frvbf_media_average): New function.
351 (frvbf_insn_cache_invalidate): Check for illegal invocation.
352 (frvbf_data_cache_invalidate): Ditto.
353 (frvbf_data_cache_flush): Ditto.
354 * frv-sim.h (GET_FSR_QNE): New macro.
355 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
356 (GET_MSR_SRDAV): New macro.
357 (GET_MSR_RDAV): New macro.
358 (GET_MSR_RD): New macro.
359 (frv_queue_data_access_error_interrupt): Now takes an address as second
360 argument.
361 (frv_address_forbidden): Removed.
362 * cache.c (non_cache_access): Correct address ranges. Now takes cache
363 as first argument.
364 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
365
3662001-08-20 Dave Brolley <brolley@redhat.com>
367
368 * sim-main.h (_sim_cpu): New field 'elf_flags'.
369 * sim-if.c (sim_open): Extract the elf_flags from the input file and
370 save them with each cpu.
371 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
372 last_insn_p before executing the insn.
373 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
374 insn cache.
375 (frv_cache_invalidate_all): Ditto.
376
3772001-08-20 Richard Sandiford <rsandifo@redhat.com>
378
379 * traps.c (syscall_read_mem): Flush the data cache before reading.
380 (syscall_write_mem): Flush the data cache before writing.
381 Invalidate both caches.
382
3832001-07-05 Ben Elliston <bje@redhat.com>
384
385 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
386 (stamp-cpu): Likewise.
387
3882001-05-23 Dave Brolley <brolley@redhat.com>
389
390 * profile-fr400.c (acc_use_is_media_p2): New function.
391 (frvbf_model_fr400_u_media_2): Account for latency of output
392 accumulators.
393 (frvbf_model_fr400_u_media_2_quad): Ditto.
394 (frvbf_model_fr400_u_media_2_acc): New function.
395 (frvbf_model_fr400_u_media_2_acc_dual): New function.
396 (frvbf_model_fr400_u_media_2_add_sub): New function.
397 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
398 (frvbf_model_fr400_u_media_3_dual): New function.
399 (frvbf_model_fr400_u_media_4_acc_dual): New function.
400 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
401
4022001-05-15 Dave Brolley <brolley@redhat.com>
403
404 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
405 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
406 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
407 (request_cache_flush): Save 'all' argument.
408 (request_cache_invalidate): Save all_cache_entries from profile state
409 to 'all' field of the request.
410 (submit_cache_request): Pass the 'all' field of the request to
411 frv_cache_request_invalidate.
412 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
413 operation even if HSR0.ICE is not set.
414 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
415 operation even if HSR0.DCE is not set.
416 (frv_data_cache_flush): Ditto.
417 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
418 (frv_data_cache_invalidate): Add new 'all' parameter.
419 (frv_data_cache_flush): Add new 'all' parameter.
420 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
421 (frv_cache_request_invalidate): Add new 'all' parameter.
422 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
423 its value in the invalidate request.
424 (address_interference): Accept the value '-1' for the address argument
425 to mean 'any address'.
426 (handle_req_invalidate): Handle request to invalidate all cache lines.
427 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
428
4292001-05-14 Dave Brolley <brolley@redhat.com>
430
431 * profile.h (past_first_p): New field of profiling state.
432 (branch_penalty): Ditto.
433 (branch_hint): Ditto.
434 (update_branch_penalty): New function.
435 * profile.c (frvbf_model_insn_after): Reset past_first_p and
436 branch_address fields of the profiling state.
437 (frvbf_model_branch): New function.
438 (update_branch_penalty): New function.
439 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
440 FCCi_3 inputs.
441 (frvbf_model_fr500_u_trap): New function.
442 (frvbf_model_fr500_u_check): New function.
443 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
444 cycles.
445 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
446 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
447 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
448 documented in teh fr400 LSI.
449 (frvbf_model_fr400_u_media_dual_htob): Ditto.
450 (frvbf_model_fr400_u_media_dual_unpack): Removed.
451 (frvbf_model_fr500_u_trap): New function.
452 (frvbf_model_fr500_u_check): New function.
453 * mloop.in (simulate_dual_insn_prefetch): New function.
454 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
455 arguments for each machine type.
456 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
457
4582001-05-09 Dave Brolley <brolley@redhat.com>
459
460 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
461 (profile-fr400.o): New target.
462 * profile.c: New file.
463 * profile.h: New file.
464 * profile-fr400.c: New file.
465 * profile-fr400.h: New file.
466 * profile-fr500.c: New file.
467 * profile-fr500.h: New file.
468 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
469
4702001-05-02 Dave Brolley <brolley@redhat.com>
471
472 * sim-main.h (profile.h): #include it.
473 (CPU_PROFILE_STATE): New macro.
474 (profile_state): New frv specific cpu field.
475 * reset.c (frv_initialize): insn_fetch_address and branch_address now
476 part of global profiling state.
477 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
478 (SIM_EXTRA_DEPS): Add profile.h.
479 (registers.o): Correct name of source file.
480 (profile.o): New target.
481 (profile-fr500.o): New target.
482 * frv-sim.h: Move profile related data structures to profile.h.
483 * frv.c: Move fr500 specific functions to profile-fr500.c.
484 * cpu.h: Regenerated.
485
4862001-04-27 Dave Brolley <brolley@redhat.com>
487
488 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
489 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
490 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
491 Rename PIPE_* to UNIT_*.
492 (frv_queue_illegal_instruction_interrupt): Use
493 frv_is_float_insn and frv_is_media_insn.
494 (frv_queue_non_implemented_instruction_interrupt): Ditto.
495 (frv_detect_insn_access_interrupts): Ditto.
496 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
497 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
498 * memory.c: Ditto.
499 * pipeline.c: Ditto.
500 * mloop.in: Ditto.
501 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
502 * cache.c: Rename PIPE_* to UNIT_*.
503
5042001-04-24 Dave Brolley <brolley@redhat.com>
505
506 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
507 (frvbf_load_quad_FRint): Ditto.
508 (frvbf_load_quad_CPR): Ditto.
509 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
510 machines.
511 (bfd.h): #include it.
512 (non_cache_access): Update for revised fr500 and for fr400.
513 * registers.c (frv_spr): Don't reset PSR.PS.
514 (fr500_spr): Ditto.
515 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
516
5172001-04-23 Dave Brolley <brolley@redhat.com>
518
519 * traps.c (frv_core_signal): On fr400, generate data_access_error.
520 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
521 (frvbf_media_acc_not_aligned): Ditto.
522 (frvbf_media_register_not_aligned): Ditto.
523 (frvbf_division_exception): Use GET_ISR_EDE.
524 * registers.c (frv_check_spr_read_access): New function.
525 (frv_check_spr_write_access): New function.
526 (frv_check_spr_access): Deleted.
527 (frv_check_register_access): On fr400, generate illegal_instruction.
528 * memory.c (fr400_check_data_read_address): New function.
529 (fr500_check_data_read_address): Ditto.
530 (check_data_read_address): Ditto.
531 (fr400_check_insn_read_address): Ditto.
532 (fr500_check_insn_read_address): Ditto.
533 (check_insn_read_address): Ditto.
534 (frvbf_read_mem_QI): Call check_data_read_access.
535 (frvbf_read_mem_UQI): Ditto.
536 (frvbf_read_mem_HI): Ditto.
537 (frvbf_read_mem_UHI): Ditto.
538 (frvbf_read_mem_SI): Ditto.
539 (frvbf_read_mem_DI): Ditto.
540 (frvbf_read_mem_DF): Ditto.
541 (frvbf_read_imem_USI): Call check_insn_read_access.
542 (frv_address_forbidden): Now takes cpu as first argument. Check based
543 on machine type.
544 (fr400_mem_address_unaligned): New function.
545 (fr500_mem_address_unaligned): Ditto.
546 (check_write_address): Ditto.
547 (frvbf_mem_set_QI): Call check_write_address.
548 (frvbf_mem_set_HI): Ditto.
549 (frvbf_mem_set_SI): Ditto.
550 (frvbf_mem_set_DI): Ditto.
551 (frvbf_mem_set_DF): Ditto.
552 (frvbf_mem_set_XI): Ditto.
553 * interrupts.c (bfd.h): #include it.
554 (frv_queue_data_access_error_interrupt): New function.
555 (frv_queue_instruction_access_error_interrupt): New function.
556 (frv_queue_instruction_access_exception_interrupt): New function.
557 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
558 (frv_queue_non_implemented_instruction_interrupt): Ditto.
559 (frv_detect_insn_access_interrupts): Reorder tests to match priority
560 from the LSI manual.
561 (set_isr_exception_fields): Accumulate dtt bits.
562 * frv.c (check_register_alignment): New function.
563 (check_fr_register_alignment): New function.
564 (check_memory_alignment): New function.
565 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
566 (frvbf_h_gr_double_set_handler): Ditto.
567 (frvbf_h_cpr_double_get_handler): Ditto.
568 (frvbf_h_cpr_double_set_handler): Ditto.
569 (frvbf_h_gr_quad_set_handler): Ditto.
570 (frvbf_h_cpr_quad_set_handler): Ditto.
571 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
572 (frvbf_h_fr_double_set_handler): Ditto.
573 (frvbf_h_fr_quad_set_handler): Ditto.
574 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
575 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
576 (frvbf_load_quad_GR): Call check_memory_aligment.
577 (frvbf_load_quad_FRint): Ditto.
578 (frvbf_load_quad_CPR): Ditto.
579 (frvbf_store_quad_GR): Call check_memory_aligment and
580 check_register_alignment.
581 (frvbf_store_quad_FRint): Ditto.
582 (frvbf_store_quad_CPR): Ditto.
583 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
584 * frv-sim.h (H_SPR_ACC0): New macro.
585 (H_SPR_ACC63): New macro.
586 (H_SPR_ACCG0): New macro.
587 (H_SPR_ACCG63): New macro.
588 (frv_dtt): New enumerator.
589 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
590 (GET_ISR_DTT): New macro.
591 (frv_queue_data_access_error_interrupt): New function.
592 (frv_queue_instruction_access_error_interrupt): New function.
593 (frv_queue_instruction_access_exception_interrupt): New function.
594 (frv_address_forbidden): Now takes cpu as first argument.
595 * cpu.h: Regenerate.
596
5972001-04-10 Dave Brolley <brolley@redhat.com>
598
599 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
600 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
601 (fr400_spr): Implement SPR registers for fr400.
602 (frv_register_control_init): Handle bfd_mach_fr400 properly.
603 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
604 (spr_psr_get_handler): Ditto.
605 (spr_ccr_get_handler): Ditto.
606 (spr_cccr_get_handler): Ditto.
607 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
608 * frv-sim.h: Update comment about MCCR_* macros.
609 * cpu.c,cpu.h: Regenerate.
610
6112001-04-05 Dave Brolley <brolley@redhat.com>
612
613 * cpu.h,decode.c,model.c,sem.c: Regenerate.
614
6152001-04-05 Dave Brolley <brolley@redhat.com>
616
617 * reset.c: Update copyright.
618 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
619 * frv.c (frvbf_model_fr400_u_exec): New function.
620 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
621 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
622 Regenerate.
623
6242000-11-22 Dave Brolley <brolley@redhat.com>
625
626 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
627 Regenerate.
628
6292000-11-10 Dave Brolley <brolley@redhat.com>
630
631 * decode.c: Regenerate.
632
6332000-09-12 Dave Brolley <brolley@redhat.com>
634
635 * traps.c (frv_sim_engine_halt_hook): New function.
636 (frv_itrap): Caches now invalidated in sim_engine_halt via
637 SIM_ENGINE_HALT_HOOK.
638 (frv_break): Ditto.
639 * sim-main.h (frv_sim_engine_halt_hook): New function.
640 (SIM_ENGINE_HALT_HOOK): New macro.
641 (SIM_ENGINE_RESTART_HOOK): New macro.
642 * interrupts.c: Call to frv_term now done within sim_engine_halt via
643 SIM_ENGINE_HALT_HOOK.
644
6452000-09-08 Dave Brolley <brolley@redhat.com>
646
647 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
648 respectively when stopping for a breakpoint.
649 (frv_break): Ditto.
650 * cache.h (frv_cache_invalidate_all): New function.
651 * cache.c (frv_cache_invalidate_all): New function.
652
6532000-09-05 Dave Brolley <brolley@redhat.com>
654
655 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
656 sim_handle_breakpoint. Otherwise if environment != operating call
657 sim_engine_halt. Otherwise handle normally.
658 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
659 breakpoints here. Moved to frv_break in traps.c.
660
661 * sem.c: Regenerate.
662
6632000-09-01 Dave Brolley <brolley@redhat.com>
664
665 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
666 before queuing an interrupt in order to allow 'break' to be used as
667 the breakpoint insn.
668
6692000-08-29 Dave Brolley <brolley@redhat.com>
670
671 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
672
6732000-07-27 Dave Brolley <brolley@redhat.com>
674
675 * cpu.h,decode.c: Rebuild.
676
6772000-07-26 Dave Brolley <brolley@redhat.com>
678
679 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
680 (spr_cccr_set_handler): Change CRx to CCx.
681 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
682
6832000-07-24 Dave Brolley <brolley@redhat.com>
684
685 * sem.c: Regenerate.
686 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
687 Don't write it directly.
688
689Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
690
691 * configure: Regenerated to track ../common/aclocal.m4 changes.
692
6932000-07-05 Ben Elliston <bje@redhat.com>
694
695 * configure: Regenerated to track ../common/aclocal.m4 changes.
696
6972000-06-28 Dave Brolley <brolley@redhat.com>
698
699 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
700
7012000-06-21 Dave Brolley <brolley@redhat.com>
702
703 * pipeline.c: All code except frv_pipeline_setup_insn moved to
704 frv.opc.
705 * mloop.in (main loop): frv_pipeline_add_insn broken up into
706 frv_pipeline_add_insn and frv_pipeline_setup_insn.
707 * frv-sim.h: Move pipeline status code to frv.opc.
708 * model.c: Regenerate.
709
7102000-06-12 Dave Brolley <brolley@redhat.com>
711
712 * options.c (frv_option_handler): --profile-parallel implies
713 --profile-model.
714 * mloop.in (fetch_buffer): Removed.
715 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
716 run_caches. Use cache directly if not counting cycles. Don't use
717 cache at all if not counting cycles and cache not enabled.
718 * frv.c (frv_insn_fetch_buffer): New global variable.
719 (run_caches): Monitor the status of insn prefetch requests.
720 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
721 (frv_insn_fetch_buffer): New global variable.
722
7232000-06-12 Dave Brolley <brolley@redhat.com>
724
725 * mloop.in (fetch_buffer): New static struct.
726 (@cpu@_simulate_insn_prefetch): Rewritten.
727 * cache.c (frv_cache_request_invalidate): Don't invalidate return
728 buffer.
729 (address_interference): Defer to any WAR request in either pipeline.
730
7312000-06-09 Dave Brolley <brolley@redhat.com>
732
733 * pipeline.c (insns_in_slot): New Array.
734 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
735 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
736 option.
737 (parse_cache_option): New function.
738 (frv_option_handler): Call parse_cache_option.
739 * frv.c (vliw_branch_taken): New variable.
740 (vliw_load_stall): New variable.
741 (handle_resource_wait): Update vliw_load_stall.
742 (frvbf_model_insn_before): Initialize vliw_branch_taken and
743 vliw_load_stall.
744 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
745 (load_wait_for_FR): Update vliw_load_stall.
746 (load_wait_for_GR): Update vliw_load_stall.
747 (load_wait_for_FRdouble): Update vliw_load_stall.
748 (load_wait_for_GRdouble): Update vliw_load_stall.
749 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
750 (slot_names): New static array.
751 (print_parallel): Now takes second argument 'verbose'. Print cycles per
752 VLIW insn and instructions per cycle. Also tabulate the number of insns
753 in each type of VLIW slot.
754 (frv_profile_info): Call print_parallel with new second argument.
755 * frv-sim.h (insn_in_slot): New array.
756 (COUNT_INSNS_IN_SLOT): New macro.
757 (INSNS_IN_SLOT): New macro.
758 * cache.c: Remove references to non_blocking_count. Remove references to
759 last_was_hit. Remove references to req_none.
760 (handle_req_store): Adjust statistics before requeuing the store
761 request.
762 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
763 * cache.h: Remove references to non_blocking_count. Remove references to
764 last_was_hit. Remove references to req_none.
765 * model.c: Regenerate.
766
7672000-06-08 Dave Brolley <brolley@redhat.com>
768
769 * frv.c (request_complete): Copy load data from the correct return
770 buffer.
771
7722000-06-07 Dave Brolley <brolley@redhat.com>
773
774 * traps.c (frv_core_signal): Call frv_term before exiting.
775 (frv_itrap): Call frv_term before exiting.
776 (next_available_nesr): Make sure NECR is implemented before reading it.
777 (next_valid_nesr): Ditto.
778 (frvbf_check_non_excepting_load): Ditto.
779 (frvbf_clear_ne_flags): Ditto.
780 (frvbf_commit): Ditto.
781 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
782 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
783 store_flag members.
784 (CPU_LOAD_ADDRESS): New macro.
785 (CPU_LOAD_LENGTH): New macro.
786 (CPU_LOAD_SIGNED): New macro.
787 (CPU_LOAD_LOCK): New macro.
788 * reset.c (frv_term): New function.
789 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
790 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
791 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
792 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
793 the insn. Model the insn in two passes. One before and one after
794 execution.
795 (cache_reqno): new static variable.
796 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
797 cache rather than assuming a fixed latency.
798 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
799 enabled so that modeling data is collected by cgen during execution.
800 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
801 * memory.c (data_non_cache_access): Removed.
802 (insn_non_cache_access): Removed.
803 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
804 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
805 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
806 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
807 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
808 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
809 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
810 (frvbf_read_imem_USI): Read the cache or ememory passively.
811 (frvbf_write_mem_QI): Don't check for non-cache access here.
812 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
813 (frvbf_write_mem_HI): Don't check for non-cache access here.
814 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
815 (frvbf_write_mem_SI): Don't check for non-cache access here.
816 (frvbf_write_mem_DI): Don't check for non-cache access here.
817 (frvbf_write_mem_DF): Don't check for non-cache access here.
818 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
819 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
820 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
821 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
822 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
823 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
824 * interrupts.c (check_reset): Read the cache and memory passively.
825 (frv_program_or_software_interrupt): Call frv_term before calling
826 sim_engine_halt.
827 * frv.c (all modeling functions): Break into two passes. One before
828 execuetion and one after. call load_wait_for_* for all GR and FR
829 registers.
830 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
831 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
832 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
833 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
834 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
835 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
836 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
837 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
838 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
839 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
840 (model_insn): New global variable.
841 (fr_ptime): New array.
842 (cache_request): New enumeration.
843 (CACHE_QUEUE_ELEMENT): New struct type.
844 (CACHE_QUEUE_SIZE): New macro.
845 (cache_queue): New static struct.
846 (request_cache_load): New function.
847 (request_cache_flush): New function.
848 (request_cache_invalidate): New function.
849 (request_cache_preload): New function.
850 (request_cache_unlock): New function.
851 (submit_cache_request): New function.
852 (activate_cache_requests): New function.
853 (load_pending_for_register): New function.
854 (flush_pending_for_address): New function.
855 (remove_cache_queue_element): New function.
856 (copy_load_data): New function.
857 (request_complete): New function.
858 (run_caches): New function.
859 (frv_model_trace_wait_cycles): New function.
860 (wait_for_flush): New function.
861 (frvbf_model_insn_before): Insn prefect wait now modeled in
862 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
863 wait_for_flush.
864 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
865 vliw_insns here anymore.
866 (update_FR_latency_for_load): New function.
867 (update_FRdouble_latency_for_load): New function.
868 (update_FR_ptime): New function.
869 (update_FRdouble_ptime): New function.
870 (update_GR_latency_for_swap): New function.
871 (load_wait_for_GR): New function.
872 (load_wait_for_FR): New function.
873 (load_wait_for_GRdouble): New function.
874 (load_wait_for_FRdouble): New function.
875 (frvbf_model_fr500_u_ici): New function.
876 (frvbf_model_fr500_u_dci): New function.
877 (frvbf_model_fr500_u_dcf): New function.
878 (frvbf_model_fr500_u_icpl): New function.
879 (frvbf_model_fr500_u_dcpl): New function.
880 (frvbf_model_fr500_u_icul): New function.
881 (frvbf_model_fr500_u_dcul): New function.
882 * frv-sim.h (frv_term): New function.
883 (insn_non_cache_access): Removed.
884 (FRV_COUNT_CYCLES): New macro.
885 (frv_save_peofile_model_p): New global variable.
886 (model_insn): New enumerated global variable.
887 (frv_model_advance_cycles): New function.
888 (frv_model_trace_wait_cycles): New function.
889 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
890 (FRV_CACHE_WAR_REQUEST): New struct type.
891 (FRV_CACHE_STORE_REQUEST): New struct type.
892 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
893 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
894 (FRV_CACHE_REQUEST): New struct type.
895 (FRV_CACHE_RETURN_BUFFER): New struct type.
896 (FRV_CACHE_FLUSH_STATUS): New struct type.
897 (FRV_CACHE_STATUS): New struct type.
898 (FRV_CACHE_STAGE): New struct type.
899 (FRV_CACHE_STAGES): New enumeration.
900 (FRV_CACHE_WAR): New struct type.
901 (FRV_CACHE_PIPELINE): New struct type.
902 (FRV_CACHE_ARS): New struct type.
903 (FRV_CACHE_STATISTICS): New struct type.
904 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
905 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
906 (CACHE_RETURN_DATA_ADDRESS): New macro.
907 (frv_cache_read): Now takes pipe index as second argument.
908 (frv_cache_enabled): New function.
909 (frv_cache_request_load): New function.
910 (frv_cache_request_store): New function.
911 (frv_cache_request_invalidate): New function.
912 (frv_cache_request_preload): New function.
913 (frv_cache_request_unlock): New function.
914 (frv_cache_run): New function.
915 (frv_cache_read_passive_SI): New function.
916 (frv_cache_data_in_buffer): New function.
917 (frv_cache_data_flushed): New function.
918 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
919 (frv_cache_enabled): New function.
920 (non_cache_access): New function.
921 (write_data_to_memory): Count write accesses for each mode. Write to
922 memory using sim_core_write_unaligned_1;
923 (read_data_from_memory): New function.
924 (fill_line_from_memory): Use read_data_from_memory.
925 (copy_line_to_return_buffer): New function.
926 (copy_memory_to_return_buffer): New function.
927 (set_return_buffer_reqno): New function.
928 (frv_cache_read): Now takes pipe index as second argument. Check for
929 non-cache access.
930 (frv_cache_preload): Check for non-cache access.
931 (frv_cache_unlock): Check for non-cache access.
932 (invalidate_return_buffer): New function.
933 (frv_cache_invalidate): Check for non-cache access.
934 (convert_slot_to_index): New function.
935 (FREE_CHAIN_SIZE): New macro.
936 (frv_cache_request_free_chain): New static variable.
937 (frv_store_request_free_chain): New static variable.
938 (allocate_new_cache_requests): New function.
939 (new_cache_request): New function.
940 (free_cache_request): New function.
941 (new_store_request): New function.
942 (pipeline_remove_request): New function.
943 (pipeline_add_request): New function.
944 (pipeline_requeue_request): New function.
945 (next_priority): New function.
946 (add_WAR_request): New function.
947 (pipeline_next_request): New function.
948 (pipeline_stage_request): New function.
949 (advance_pipelines): New function.
950 (frv_cache_request_load): New function.
951 (frv_cache_request_store): New function.
952 (frv_cache_request_invalidate): New function.
953 (frv_cache_request_preload): New function.
954 (frv_cache_request_unlock): New function.
955 (address_interference): New function.
956 (wait_for_WAR): New function.
957 (wait_in_WAR): New function.
958 (handle_req_load): New function.
959 (handle_req_preload): New function.
960 (handle_req_store): New function.
961 (handle_req_invalidate): New function.
962 (handle_req_unlock): New function.
963 (handle_req_WAR): New function.
964 (arbitrate_requests): New function.
965 (move_ARS_to_WAR): New function.
966 (decrease_latencies): New function.
967 (frv_cache_run): New function.
968 (frv_cache_read_passive_SI): New function.
969 (frv_cache_data_in_buffer): New function.
970 (frv_cache_data_flushed): New function.
971 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
972
973Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
974
975 * configure: Regenerated to track ../common/aclocal.m4 changes.
976
9772000-05-19 Dave Brolley <brolley@redhat.com>
978
979 * traps.c (frv_rett): Check for exceptions in the order specified in the
980 architecture spec. Allow privileged_instruction interrrupt to be handled
981 normally.
982 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
983 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
984 to clear the NE flag.
985 (frvbf_model_tomcat_u_exec): New function.
986 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
987 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
988 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
989
9902000-05-18 Dave Brolley <brolley@redhat.com>
991
992 * sim-if.c (elf-bfd.h): #include it.
993 (sim_open): Set machine amd architecture based on elf flags.
994
9952000-04-04 Dave Brolley <brolley@redhat.com>
996
997 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
998 Delete '#if 0' blocks.
999 * frv.c: Delete '#if 0' blocks.
1000 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1001 PSR.S and PSR.ESR.
1002 (frv_h_psr_esr_set_handler): Removed.
1003 * interrupts.c: Delete '#if 0' blocks.
1004 * memory.c: Delete '#if 0' blocks.
1005 * cpu.c,cpu.h: Regenerate.
1006
10072000-04-03 Dave Brolley <brolley@redhat.com>
1008
1009 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1010 containing the target address.
1011 (clear_nesr_neear): No longer takes hi_available and lo_available.
1012 Remove bogus check for available GR registers.
1013 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1014 (frvbf_commit): Update call to clear_nesr_neear.
1015 * interrupts.c (next_available_esr): Removed.
1016 (next_available_edr): Removed.
1017 (next_available_fq): Removed.
1018 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1019 (frvbf_store_register): Remove "FIXME" comment.
1020 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1021 (UART_OUTCHAR_ADDR): Removed.
1022 (UART_STATUS_ADDR): Removed.
1023 (UART_INPUT_READY): Removed.
1024 (UART_OUTPUT_READY): Removed.
1025 (FRV_DEVICE_ADDR): Removed.
1026 (FRV_DEVICE_LEN): Removed.
1027 (SET_NESR): Call frvbf_force_update.
1028 (SET_NEEAR): Call frvbf_force_update.
1029 (SET_NE_FLAGS): Call frvbf_force_update.
1030
10312000-03-30 Dave Brolley <brolley@redhat.com>
1032
1033 * configure: Regenerated.
1034
10352000-03-30 Dave Brolley <brolley@redhat.com>
1036
1037 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1038 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1039 performing the write.
1040 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1041 queue element with the information in the interrupt state.
1042 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1043 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1044 (frv_set_interrupt_queue_slot): New function.
1045 (esr_for_data_access_exception): New function.
1046 (set_edr_register): edr_index is now passed in.
1047 (fq_for_exception): New function.
1048 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1049 element now passed in.
1050 (set_exception_status_registers): Obtain slot from interrupt queue
1051 element. Call esr_for_data_access_exception. Use ESR14
1052 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1053 (frv_save_data_written_for_interrupts): Save slot containing the insn
1054 performing the write.
1055 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1056 frv_fsr_ftt.
1057 (struct frv_interrupt_state): Add 'slot' field.
1058 (frv_set_interrupt_queue_slot): New function.
1059 (frv_set_write_queue_slot): New function.
1060
10612000-03-24 Dave Brolley <brolley@redhat.com>
1062
1063 * mloop.in (_parallel_write_init): Initialize
1064 frv_interrupt_state.imprecise_interrupt.
1065 (_parallel_write_queued): After an imprecise interrupt, only perform
1066 forced writes and floating point writes (for certain exceptions).
1067 * interrupts.c (handle_interrupt): Set
1068 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1069 interrupt.
1070 (frv_process_interrupts): No need to clear f_ne_flags.
1071 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1072 force them to happen even if there is an overflow exception.
1073 (frvbf_force_update): New function.
1074 * frv-sim.h (frvbf_force_update): New function.
1075 (struct frv_interrupt_state): Add imprecise_interrupt.
1076 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1077 * sem.c: Regenerate.
1078
10792000-03-23 Dave Brolley <brolley@redhat.com>
1080
1081 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1082 * registers.c (frv_spr): MCIRL -> MCILR.
1083 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1084 New function.
1085 (frv_detect_insn_access_interrupts):
1086 Call frv_queue_non_implemented_instruction_interrupt.
1087 (frv_process_interrupts): Clear accumulated NE flags.
1088 * frv.c (frvbf_media_cop): New function.
1089 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1090 the NE flag of the given target register.
1091 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1092 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1093 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1094 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1095 (frvbf_model_fr500_u_float_dual_convert): New function.
1096 * frv-sim.h (frvbf_media_cop): New function.
1097 (GET_FQ): Use H_SPR_FQST0.
1098 (SET_FQ): Use H_SPR_FQST0.
1099 (SET_FQ_OPC): Use J_SPR_FQOP0.
1100 (GET_MSR_EMCI): New macro.
1101 (frv_queue_non_implemented_instruction_interrupt): New function.
1102 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1103
11042000-03-08 Dave Brolley <brolley@redhat.com>
1105
1106 * traps.c (frv_rett): Align new_pc.
1107 * memory.c (frvbf_read_mem_HI): Align address.
1108 (frvbf_read_mem_UHI): Align address.
1109 (frvbf_read_mem_SI): Align address.
1110 (frvbf_read_mem_DI): Align address.
1111 (frvbf_read_mem_DF): Align address.
1112 (frvbf_read_imem_USI): Align address.
1113 (frvbf_mem_set_HI): Align address.
1114 (frvbf_mem_set_SI): Align address.
1115 (frvbf_mem_set_DI): Align address.
1116 (frvbf_mem_set_DF): Align address.
1117 (frvbf_mem_set_XI): Align address.
1118 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1119 (fr500_spr): Initialize FSR0.NS to 1.
1120 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1121 whether the exception is masked.
1122 * frv.c (frvbf_load_quad_GR): Align address.
1123 (frvbf_store_quad_GR): Align address.
1124 (frvbf_load_quad_FRint): Align address.
1125 (frvbf_store_quad_FRint): Align address.
1126 (frvbf_load_quad_CPR): Align address.
1127 (frvbf_store_quad_CPR): Align address.
1128 * frv-sim.h (GET_ISR_EMAM): New macro.
1129
11302000-03-08 Dave Brolley <brolley@redhat.com>
1131
1132 * traps.c (frvbf_division_exception): Check for masked overflow and
1133 set NE flags, if necessary.
1134 (frvbf_check_recovering_store): Queue writes to the hardware.
1135 (check_registers_available): Removed.
1136 (which_registers_available): Call frv_{fr,gr}_registers_available.
1137 (frvbf_clear_ne_flags): Call check_register_access.
1138 (frvbf_commit): Call check_register_access.
1139 * registers.h (frv_fr_registers_available): New function.
1140 (frv_gr_registers_available): New function.
1141 (frv_check_register_access): New function.
1142 (frv_check_gr_access): New function.
1143 (frv_check_fr_access): New function.
1144 * registers.c (frv_spr): Correct initial value of ISR.
1145 (fr500_spr): Correct initial value of ISR.
1146 (frv_fr_registers_available): New function.
1147 (frv_gr_registers_available): New function.
1148 (frv_check_register_access): New function.
1149 (frv_check_gr_access): New function.
1150 (frv_check_fr_access): New function.
1151 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1152 (set_isr_exception_fields): New function.
1153 (set_exception_status_registers): Set ISR fields for division exception.
1154 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1155 * frv.c (frvbf_h_gr_get_handler): New function.
1156 (frvbf_h_gr_set_handler): New function.
1157 (frvbf_h_fr_get_handler): New function.
1158 (frvbf_h_fr_set_handler): New function.
1159 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1160 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1161 (spr_isr_get_handler): Removed.
1162 (spr_isr_set_handler): Removed.
1163 (frvbf_signed_integer_divide): New funciton.
1164 (frvbf_unsigned_integer_divide): New funciton.
1165 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1166 (frvbf_h_gr_set_handler): New function.
1167 (frvbf_h_fr_get_handler): New function.
1168 (frvbf_h_fr_set_handler): New function.
1169 (frvbf_signed_integer_divide): New funciton.
1170 (frvbf_unsigned_integer_divide): New funciton.
1171 (frv_dtt): New enumeration.
1172 (struct frv_interrupt_queue_element): Add dtt member.
1173 (GET_ISR): New macro.
1174 (SET_ISR): New macro.
1175 (GET_ISR_EDEM): New macro.
1176 (SET_ISR_DTT): New macro.
1177 (SET_ISR_AEXC): New macro.
1178 (frvbf_division_exception): Add 2 'int' arguments.
1179 (frvbf_check_non_excepting_divide): Removed.
1180 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1181
11822000-02-29 Dave Brolley <brolley@redhat.com>
1183
1184 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1185 (frv_rett): Use hardware access macros. Write PSR as a whole.
1186 (next_available_nesr): Check that NECR is valid.
1187 (next_valid_nesr): Check that NECR is valid.
1188 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1189 call hardware access functions. Use cover macros.
1190 (check_registers_available): New function.
1191 (clear_nesr_near): Check register availability.
1192 (clear_ne_flags): Check register availability.
1193 (frvbf_clear_ne_flags): Check register availability.
1194 (frvbf_commit): Check register availability.
1195 (which_registers_available): New function.
1196 * sim-main.h (registers.h): #include it.
1197 (register_control): New cpu field.
1198 (CPU_REGISTER_CONTROL): New macro.
1199 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1200 (frv_power_on_reset): Initialize SPR registers and RSTR.
1201 (frv_hardware_reset): Initialize SPR registers and RSTR.
1202 (frv_software_reset): Reset SPR registers and RSTR.
1203 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1204 Call frv_cache_init.
1205 * mloop.in (main loop): Check for insn access interrupts before
1206 executing the insn.
1207 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1208 (frv_detect_insn_access_interrupts): Don't call hardware access
1209 functions directly. Use cover macros.
1210 (check_reset): Don't reset RSTR here.
1211 (next_available_esr): ESFR -> ESFR_FLAG.
1212 (next_available_edr): ESFR -> ESFR_FLAG.
1213 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1214 ESFR -> ESFR_FLAG.
1215 (frv_break_interrupt): Don't call hardware access functions directly.
1216 Use cover macros.
1217 (frv_program_or_software_interrupt): Ditto.
1218 (frv_external_interrupt): Ditto.
1219 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1220 (frvbf_store_register): Don't call 'set' functions directly.
1221 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1222 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1223 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1224 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1225 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1226 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1227 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1228 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1229 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1230 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1231 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1232 Support shadow registers.
1233 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1234 Support shadow registers.
1235 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1236 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1237 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1238 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1239 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1240 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1241 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1242 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1243 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1244 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1245 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1246 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1247 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1248 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1249 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1250 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1251 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1252 version 1.3a.
1253 (spr_ccr_get_handler): Don't reference the hardware directly.
1254 (spr_ccr_set_handler): Don't reference the hardware directly.
1255 (spr_cccr_get_handler): Don't reference the hardware directly.
1256 (spr_cccr_set_handler): Don't reference the hardware directly.
1257 (spr_sr_get_handler): New function.
1258 (spr_sr_set_handler): New function.
1259 (frvbf_switch_supervisor_user_context): Temporarily switch to
1260 supervisor mode.
1261 (frvbf_store_quad_GR): Don't call handler directly.
1262 (frvbf_store_quad_FRint): Don't call handler directly.
1263 (frvbf_store_quad_CPR): Don't call handler directly.
1264 (frvbf_clear_all_accumulators): Removed.
1265 (frvbf_clear_accumulators): New function.
1266 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1267 Account for in_ACCGi and out_ACCGk.
1268 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1269 (RSTR_SOFTWARE_RESET): New macro.
1270 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1271 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1272 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1273 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1274 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1275 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1276 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1277 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1278 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1279 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1280 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1281 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1282 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1283 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1284 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1285 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1286 (frvbf_clear_all_accumulators): Removed.
1287 (frvbf_clear_accumulators): New function.
1288 (GET_HSR0): Use GET_H_SPR.
1289 (SET_HSR0): Use SET_H_SPR.
1290 (CLEAR_HSR0_ICE): New macro.
1291 (CLEAR_HSR0_DCE): New macro.
1292 (GET_IHSR8): Use GET_H_SPR.
1293 (GET_PSR): New macro.
1294 (SET_PSR_ET): New macro.
1295 (GET_PSR_PS): New macro.
1296 (SET_PSR_S): New macro.
1297 (GET_ESFR): Changed to reference entire register.
1298 (SET_ESFR): Changed to reference entire register.
1299 (GET_ESFR_FLAG): New macro.
1300 (SET_ESFR_FLAG): New macro.
1301 (NECR_ELOS): Removed.
1302 (NECR_NEN): Removed.
1303 (NECR_VALID): Removed.
1304 (GET_NECR): New macro.
1305 (GET_NECR_ELOS): New macro.
1306 (GET_NECR_NEN): New macro.
1307 (GET_NECR_VALID): New macro.
1308 (NESR_RANGE): Removed.
1309 (GET_NESR): Use GET_H_SPR.
1310 (GET_NE_FLAGS): Use GET_H_SPR.
1311 * cache.h (CACHE_INITIALIZED): New macro.
1312 * Makefile.in (SIM_OBJS): Add registers.o.
1313 (SIM_EXTRA_DEPS): Add registers.h.
1314 (registers.o): New target.
1315 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1316
13172000-02-17 Dave Brolley <brolley@redhat.com>
1318
1319 * interrupts.c (frv_interrupt_table): Update priority order and handler
1320 offsets to conform to the architecture version 1.3a.
1321 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1322 to the architecture version 1.3a.
1323
13242000-02-17 Dave Brolley <brolley@redhat.com>
1325
1326 * interrupts.c (frv_interrupt_table): Update priority order and handler
1327 offsets to conform to the latest specifications.
1328 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1329 queued. New variable 'iclass' used to test for external interrupts.
1330 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1331 to the latest specifications.
1332
13332000-01-20 Dave Brolley <brolley@redhat.com>
1334
1335 * sim-if.c (sim_open): Move frv-specific initialization to
1336 frv_initialize in reset.c.
1337 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1338 status bits for hardware vs software reset.
1339 * reset.c: New file.
1340 * frv-sim.h (frv_initialize): New function.
1341 (frv_power_on_reset): New function.
1342 (frv_hardware_reset): New function.
1343 (frv_software_reset): New function.
1344 (RSTR_ADDRESS): New macro.
1345 (RSTR_INITIAL_VALUE): New macro.
1346 (GET_RSTR_HR): New macro.
1347 (GET_RSTR_SR): New macro.
1348 (SET_RSTR_H): New macro.
1349 (SET_RSTR_S): New macro.
1350 (CLEAR_RSTR_P): New macro.
1351 (CLEAR_RSTR_H): New macro.
1352 (CLEAR_RSTR_S): New macro.
1353 (CLEAR_RSTR_HR): New macro.
1354 (CLEAR_RSTR_SR): New macro.
1355
13562000-01-03 Dave Brolley <brolley@cygnus.com>
1357
1358 * mloop.in (execute): Only call modeling function if the pointer is not
1359 NULL.
1360 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1361 fr500.
1362
13632000-01-03 Dave Brolley <brolley@cygnus.com>
1364
1365 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1366 (frv_options): Add --memory-latency.
1367 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1368 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1369 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1370 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1371 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1372 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1373 (update_latencies): Only clear usage flags if the register has no
1374 target latency.
1375 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1376 not |= (or assgnment).
1377 (frvbf_model_insn_after): Print post processing wait for all insns.
1378 Update prev_acc_p1 and prev_acc_p2.
1379 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1380 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1381 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1382 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1383 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1384 (frvbf_model_fr500_u_media_quad_arith): New function.
1385 (frvbf_model_fr500_u_media_dual_mul): New function.
1386 (frvbf_model_fr500_u_media_quad_mul): New function.
1387 (frvbf_model_fr500_u_media_quad_complex): New function.
1388 (frvbf_model_fr500_u_media_dual_expand): New function.
1389 (frvbf_model_fr500_u_media_dual_unpack): New function.
1390 (frvbf_model_fr500_u_media_dual_btoh): New function.
1391 (frvbf_model_fr500_u_media_dual_htob): New function.
1392 (frvbf_model_fr500_u_media_dual_btohe): New function.
1393 (frv_ref_SI): New function.
1394 * cache.h (FRV_CACHE): Add memory_latency field.
1395 * cache.c (frv_cache_init): Initialize memory_latency.
1396 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1397
13981999-12-17 Dave Brolley <brolley@cygnus.com>
1399
1400 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1401 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1402 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1403 (OPTIONS_FRV_TIMER): New enumeration.
1404 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1405 (frv_option_handler): Override common implementation of -p. Handle
1406 --profile-cache, --profile-parallel, --timer.
1407 * mloop.in (execute): Call profiling functions if the timer interrupt
1408 is enabled.
1409 (@cpu@_simulate_insn_prefetch): New function.
1410 (main loop): Call @cpu@_simulate_insn_prefetch.
1411 * interrupts.c (frv_queue_interrupt): Don't queue two external
1412 interrupts of the same priority.
1413 (frv_queue_external_interrupt): New function.
1414 (frv_external_interrupt): New function.
1415 (handle_interrupt): Handle external interrupts.
1416 (check_reset): New function.
1417 (frv_process_interrupts): Call check_reset.
1418 * frv.c: Include "bfd.h"
1419 (frvbf_h_psr_get_handler): Set the PIL field.
1420 (frvbf_h_psr_set_handler): Get the PIL field.
1421 (DUAL_REG): New macro.
1422 (DUAL_DOUBLE): New macro.
1423 (SET_USE_IS_FPOP): New macro.
1424 (SET_USE_NOT_FPOP): New macro.
1425 (USE_IS_FPOP): New macro.
1426 (SET_USE_IS_MEDIA): New macro.
1427 (SET_USE_NOT_MEDIA): New macro.
1428 (USE_IS_MEDIA_P1): New macro.
1429 (SET_USE_IS_MEDIA_P1): New macro.
1430 (SET_USE_NOT_MEDIA_P1): New macro.
1431 (SET_USE_IS_MEDIA_P2): New macro.
1432 (SET_USE_NOT_MEDIA_P2): New macro.
1433 (USE_IS_MEDIA_P2): New macro.
1434 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1435 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1436 (ACC_USE_IS_MEDIA_P1): New macro.
1437 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1438 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1439 (ACC_USE_IS_MEDIA_P2): New macro.
1440 (RESOURCE_IDIV): New macro.
1441 (RESOURCE_FDIV): New macro.
1442 (RESOURCE_SQRT): New macro.
1443 (fr_busy_adjust): New array.
1444 (acc_busy_adjust): New array.
1445 (apply_latency_adjustments): New function.
1446 (update_latencies): New function.
1447 (handle_wait_cycles): New function.
1448 (handle_resource_wait): New function.
1449 (update_target_latencies): New function.
1450 (frvbf_model_insn_before): Add resource latency to cycle counts.
1451 (frvbf_model_insn_after): Add resource latency to cycle counts.
1452 (update_GR_latency): New function.
1453 (update_GRdouble_latency): New function.
1454 (update_FR_latency): New function.
1455 (update_FRdouble_latency): New function.
1456 (decrease_ACC_busy): New function.
1457 (decrease_FR_busy): New function.
1458 (increase_FR_busy): New function.
1459 (update_ACC_latency): New function.
1460 (update_CCR_latency): New function.
1461 (update_idiv_resource_latency): New function.
1462 (update_fdiv_resource_latency): New function.
1463 (update_fsqrt_resource_latency): New function.
1464 (vliw_wait_for_GR): New function.
1465 (vliw_wait_for_GRdouble): New function.
1466 (vliw_wait_for_FR): New function.
1467 (vliw_wait_for_FRdouble): New function.
1468 (vliw_wait_for_CCR): New function.
1469 (vliw_wait_for_ACC): New function.
1470 (vliw_wait_for_idiv_resource): New function.
1471 (vliw_wait_for_fdiv_resource): New function.
1472 (vliw_wait_for_fsqrt_resource): New function.
1473 (enforce_full_fr_latency): New function.
1474 (frvbf_model_fr500_u_exec): New function.
1475 (frvbf_model_fr500_u_integer): New function.
1476 (frvbf_model_fr500_u_imul): New function.
1477 (frvbf_model_fr500_u_idiv): New function.
1478 (frvbf_model_fr500_u_branch): New function.
1479 (frvbf_model_fr500_u_set_hilo): New function.
1480 (frvbf_model_fr500_u_gr_load_store): New function.
1481 (frvbf_model_fr500_u_fr_load_store): New function.
1482 (frvbf_model_fr500_u_swap): New function.
1483 (frvbf_model_fr500_u_fr2fr): New function.
1484 (frvbf_model_fr500_u_fr2gr): New function.
1485 (frvbf_model_fr500_u_spr2gr): New function.
1486 (frvbf_model_fr500_u_gr2fr): New function.
1487 (frvbf_model_fr500_u_gr2spr): New function.
1488 (post_wait_for_FR): New function.
1489 (post_wait_for_FRdouble): New function.
1490 (post_wait_for_ACC): New function.
1491 (post_wait_for_CCR): New function.
1492 (post_wait_for_fdiv): New function.
1493 (post_wait_for_fsqrt): New function.
1494 (adjust_float_register_busy): New function.
1495 (adjust_double_register_busy): New function.
1496 (restore_float_register_busy): New function.
1497 (restore_double_register_busy): New function.
1498 (frvbf_model_fr500_u_float_arith): New function.
1499 (frvbf_model_fr500_u_float_dual_arith): New function.
1500 (frvbf_model_fr500_u_float_div): New function.
1501 (frvbf_model_fr500_u_float_sqrt): New function.
1502 (frvbf_model_fr500_u_float_compare): New function.
1503 (frvbf_model_fr500_u_float_dual_compare): New function.
1504 (frvbf_model_fr500_u_float_convert): New function.
1505 (frvbf_model_fr500_u_media): New function.
1506 (frvbf_model_fr500_u_barrier): New function.
1507 (frvbf_model_fr500_u_membar): New function.
1508 * frv-sim.h (LEUINT): New macro.
1509 (GET_HSR0_SA): New macro.
1510 (struct frv_interrupt_timer): New struct.
1511 (struct frv_interrupt_state): Add timer fiield.
1512 (frv_queue_external_interrupt): New function.
1513 (frv_external_interrupt): New function.
1514 (frv_profile_info): New function.
1515 (PROFILE_CACHE_IDX): New enumerator.
1516 (PROFILE_PARALLEL_IDX): New enumerator.
1517 (PROFILE_cache): New macro.
1518 (PROFILE_parallel): New macro.
1519 (WITH_PROFILE_CACHE_P): New macro.
1520 (WITH_PROFILE_PARALLEL_P): New macro.
1521 * cache.h (FRV_CACHE): Add last_was_hit field.
1522 * cache.c (get_tag): Use new last_was_hit field.
1523 (frv_cache_read): Ditto.
1524 (frv_cache_write): Ditto.
1525 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1526
15271999-12-13 Dave Brolley <brolley@cygnus.com>
1528
1529 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1530 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1531 sim_queue_fn_di_write.
1532 (frvbf_media_cut_ss): New function.
1533 * frv-sim.h (frvbf_media_cut_ss): New function.
1534 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1535
15361999-12-13 Dave Brolley <brolley@cygnus.com>
1537
1538 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1539 no constraints.
1540 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1541 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1542 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1543 FRV_IS_MEDIA_INSN.
1544 * frv.c (frvbf_model_simple_u_exec): New function.
1545 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1546 (FRV_IS_MEDIA_INSN): Range includes M-8.
1547
1548 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1549 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1550 Regenerate.
1551
15521999-12-10 Dave Brolley <brolley@cygnus.com>
1553
1554 * traps.c (check_registers_available): New function.
1555 (clear_ne_flags): Generate register_exception if register(s) not
1556 available.
1557 (frvbf_commit): Generate register_exception if register(s) not
1558 available.
1559 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1560 GR4-GR7 to SR0-SR4.
1561 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1562 PSR.ESR.
1563 (frvbf_h_psr_s_set_handler): New function.
1564 (frvbf_h_psr_esr_set_handler): New function.
1565 (frvbf_switch_supervisor_user_context): New function.
1566 (frvbf_scan_result): Reflect latest ISA.
1567 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1568 (frvbf_h_psr_esr_set_handler): New function.
1569 (frvbf_switch_supervisor_user_context): New function.
1570 (GET_HSR0_FRN): New Macro.
1571 (GET_HSR0_GRN): New Macro.
1572 (GET_HSR0_FRHE): New Macro.
1573 (GET_HSR0_FRLE): New Macro.
1574 (GET_HSR0_GRHE): New Macro.
1575 (GET_HSR0_GRLE): New Macro.
1576 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1577 (GET_ESFR): New bit ordering.
1578 (SET_ESFR): New bit ordering.
1579 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1580
15811999-12-10 Michael Meissner <meissner@cygnus.com>
1582
1583 * Makefile.in (sim-if.o): Add eng.h dependency.
1584
15851999-12-09 Dave Brolley <brolley@cygnus.com>
1586
1587 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1588 Pass sc->last_insn_p to @cpu@_model_insn_before.
1589 (main loop): Compute sc->first_insn_p.
1590 * frv.c (frvbf_model_insn_before): Set state variables.
1591 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1592 (frvbf_model_fr500_u_integer): Remove.
1593 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1594
15951999-12-07 Dave Brolley <brolley@cygnus.com>
1596
1597 * sim-main.h (cache.h): Include it.
1598 (insn_cache): New member.
1599 (data_cache): New member.
1600 (CPU_INSN_CACHE): New macro.
1601 (CPU_DATA_CACHE): New macro.
1602 * sim-if.c (WANT_CPU): New macro.
1603 (WANT_CPU_FRVBF): New macro.
1604 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1605 data and insn caches for each cpu.
1606 (sim_close): Call frv_cache_term for the insn and data caches of each
1607 cpu.
1608 * mloop.in (extract): Read insn from the cache.
1609 (main loop): Access the insn cache in order to maintain stats.
1610 * memory.c (data_non_cache_access): New function.
1611 (insn_non_cache_access): New function.
1612 (frvbf_read_mem_QI): Attempt to read from the cache first.
1613 (frvbf_read_mem_UQI): Ditto.
1614 (frvbf_read_mem_HI): Ditto.
1615 (frvbf_read_mem_UHI): Ditto.
1616 (frvbf_read_mem_SI): Ditto.
1617 (frvbf_read_mem_DI): Ditto.
1618 (frvbf_read_mem_DF): Ditto.
1619 (frvbf_read_imem_USI): New function.
1620 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1621 (frvbf_write_mem_UQI): Ditto.
1622 (frvbf_write_mem_HI): Ditto.
1623 (frvbf_write_mem_UHI): Ditto.
1624 (frvbf_write_mem_SI): Ditto.
1625 (frvbf_write_mem_DI): Ditto.
1626 (frvbf_write_mem_DF): Ditto.
1627 (frvbf_mem_set_QI): New function.
1628 (frvbf_mem_set_HI): New function.
1629 (frvbf_mem_set_SI): New function.
1630 (frvbf_mem_set_DI): New function.
1631 (frvbf_mem_set_DF): New function.
1632 (frvbf_mem_set_XI): New function.
1633 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1634 CGEN_FN_MEM_QI_WRITE,
1635 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1636 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1637 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1638 Call sim_queue_fn_mem_xi_write.
1639 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1640 Call sim_queue_fn_mem_xi_write.
1641 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1642 Call sim_queue_fn_mem_xi_write.
1643 (frvbf_insn_cache_preload): New function.
1644 (frvbf_data_cache_preload): New function.
1645 (frvbf_insn_cache_unlock): New function.
1646 (frvbf_data_cache_unlock): New function.
1647 (frvbf_insn_cache_invalidate): New function.
1648 (frvbf_data_cache_invalidate): New function.
1649 (frvbf_data_cache_flush): New function.
1650 * frv-sim.h (sim-options.h): Include it.
1651 (GET_HSR0): New macro.
1652 (SET_HSR0): New macro.
1653 (GET_HSR0_ICE): New macro.
1654 (SET_HSR0_ICE): New macro.
1655 (GET_HSR0_DCE): New macro.
1656 (SET_HSR0_DCE): New macro.
1657 (GET_HSR0_CBM): New macro.
1658 (GET_HSR0_RME): New macro.
1659 (GET_IHSR8): New macro.
1660 (GET_IHSR8_NBC): New macro.
1661 (frvbf_insn_cache_preload): New function.
1662 (frvbf_data_cache_preload): New function.
1663 (frvbf_insn_cache_unlock): New function.
1664 (frvbf_data_cache_unlock): New function.
1665 (frvbf_insn_cache_invalidate): New function.
1666 (frvbf_data_cache_invalidate): New function.
1667 (frvbf_data_cache_flush): New function.
1668 (insn_non_cache_access): New function.
1669 (frvbf_read_imem_USI): New function.
1670 (frvbf_mem_set_QI): New function.
1671 (frvbf_mem_set_HI): New function.
1672 (frvbf_mem_set_SI): New function.
1673 (frvbf_mem_set_DI): New function.
1674 (frvbf_mem_set_DF): New function.
1675 (frvbf_mem_set_XI): New function.
1676 (frv_options): FRV specific command line options.
1677 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1678 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1679 (cache.o): New target.
1680 (options.o): New target.
1681 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1682 * cache.h: New file.
1683 * cache.c: New file.
1684 * options.c: New file.
1685
16861999-11-29 Dave Brolley <brolley@cygnus.com>
1687
1688 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1689 (frvbf_check_non_excepting_divide): Ditto.
1690 (clear_ne_flags): Ditto
1691 (frvbf_commit): Ditto.
1692 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1693 * mloop.in (_parallel_write_init): Clear NE flags here.
1694 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1695 for non excepting insns. Also check for masked interrupts here.
1696 (frv_process_interrupts): Write NE flags here.
1697 (set_fp_exception_registers): No longer check for masked interrupts
1698 here.
1699 (check_for_compound_interrupt): No need to worry about masked
1700 interrupts.
1701 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1702 (GET_NE_FLAGS): New macro.
1703 (SET_NE_FLAGS): New macro.
1704 (GET_NE_FLAG): Operate on accumulated argument.
1705 (SET_NE_FLAG): Operate on accumulated argument.
1706 (CLEAR_NE_FLAG): Operate on accumulated argument.
1707 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1708 (frv.o): Correct dependencies.
1709 (traps.o): Ditto.
1710 (pipeline.o): Ditto.
1711 (interrupts.o): Ditto.
1712 (memory.o): Ditto.
1713 * sem.c: Regenerate.
1714
17151999-11-26 Dave Brolley <brolley@cygnus.com>
1716
1717 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1718 there is an exception indicated in the mask.
1719 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1720 state when adding a floating point insn to the pipeline.
1721 * interrupts.c (set_fp_exception_registers): Set NE flag for
1722 non-excepting insns.
1723 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1724 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1725 (frvbf_h_fr_int_get_handler): New function.
1726 (frvbf_h_fr_int_set_handler): New function.
1727 (frvbf_set_ne_index): New function.
1728 (NE_NOFLAG): New macro.
1729 (frv_interrupt_state): Add ne_index member.
1730 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1731 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1732 (frvbf_h_fr_int_get_handler): New function.
1733 (frvbf_h_fr_int_set_handler): New function.
1734 (frvbf_set_ne_index): New function.
1735 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1736
17371999-11-24 Dave Brolley <brolley@cygnus.com>
1738
1739 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1740
17411999-11-23 Dave Brolley <brolley@cygnus.com>
1742
1743 * frv-sim.h (frvbf_media_cut): New function.
1744 * frv.c (frvbf_media_cut): New function.
1745 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1746
17471999-11-22 Dave Brolley <brolley@cygnus.com>
1748
1749 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1750 * frv.c.h (frvbf_clear_all_accumulators): New function.
1751 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1752
17531999-11-18 Dave Brolley <brolley@cygnus.com>
1754
1755 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1756 if this is the first insn of its class in the pipeline.
1757 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1758 * traps.c (frvbf_media_register_not_aligned): New function.
1759 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1760
17611999-11-17 Dave Brolley <brolley@cygnus.com>
1762
1763 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1764 * frv-sim.h (OR_MSR_SIE): New macro.
1765 (CLEAR_MSR_SIE): New macro.
1766 (frvbf_media_overflow): Now takes sie argument.
1767 (frv_set_mp_exception_registers): Now takes sie argument.
1768 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1769 Set MSRx.SIE field.
1770 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1771
17721999-11-15 Dave Brolley <brolley@cygnus.com>
1773
1774 * traps.c (frv_mtrap): New function.
1775 (frvbf_media_cr_not_aligned): New function.
1776 (frvbf_media_acc_not_aligned): New function.
1777 (frvbf_media_overflow): New function.
1778 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1779 * interrupts.c: Call frv_set_mp_exception_registers.
1780 (frv_set_mp_exception_registers): New function.
1781 * frv-sim.h (frv_msr_mtt): New enumeration.
1782 (GET_MSR): New macro.
1783 (SET_MSR): New macro.
1784 (GET_MSR_AOVF): New macro.
1785 (SET_MSR_AOVF): New macro.
1786 (GET_MSR_OVF): New macro.
1787 (SET_MSR_OVF): New macro.
1788 (CLEAR_MSR_OVF): New macro.
1789 (GET_MSR_MTT): New macro.
1790 (SET_MSR_MTT): New macro.
1791 (frv_set_mp_exception_registers): New function.
1792 (frv_mtrap): New function.
1793 (FRV_IS_MEDIA_INSN): New macro.
1794 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1795
17961999-11-10 Dave Brolley <brolley@cygnus.com>
1797
1798 * sim-main.h (_sim_cpu): Add debug_state member.
1799 * mloop.in (_parallel_write_queued): Clear data_written.length.
1800 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1801 handler is 0xff.
1802 (frv_queue_break_interrupt): New function.
1803 (frv_break_interrupt): New function.
1804 (handle_interrupt): Handle break_interrupt.
1805 (frv_non_operating_interrupt): Now takes interrupt_kind.
1806 * frv-sim.h (frv_queue_break_interrupt): New function.
1807 (frv_break_interrupt): New function.
1808 (frv_break): New function.
1809 (frv_non_operating_interrupt): Now takes interrupt_kind.
1810 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1811
18121999-11-09 Dave Brolley <brolley@cygnus.com>
1813
1814 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1815 a floating point insn.
1816 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1817 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1818 frv_queue_fp_exception_interrupt.
1819 (frv_queue_fp_exception_interrupt): New function.
1820 (next_available_fq): New function.
1821 (set_fp_exception_registers): New function.
1822 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1823 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1824 (frv_program_interrupt): Don't process interrupt if it is masked.
1825 * frv.c (frvbf_h_fr_double_get_handler): Call
1826 frv_queue_fp_exception_interrupt.
1827 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1828 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1829 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1830 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1831 (frv_fp_exception_info): New struct type.
1832 (frv_interrupt_queue_element): Add fp_info member.
1833 (frv_fsr_traps): New enumeration.
1834 (frv_fsr_ftt): New enumeration.
1835 (frv_sie): New enumeration.
1836 (frv_miv): New enumeration.
1837 (GET_FSR): New macro.
1838 (SET_FSR): New macro.
1839 (GET_FSR_TEM): New macro.
1840 (SET_FSR_QNE): New macro.
1841 (SET_FSR_FTT): New macro.
1842 (GET_FSR_AEXC): New macro.
1843 (SET_FSR_AEXC): New macro.
1844 (GET_FQ): New macro.
1845 (SET_FQ): New macro.
1846 (SET_FQ_OPC): New macro.
1847 (SET_FQ_MIV): New macro.
1848 (SET_FQ_SIE): New macro.
1849 (SET_FQ_FTT): New macro.
1850 (SET_FQ_CEXC): New macro.
1851 (GET_FQ_VALID): New macro.
1852 (SET_FQ_VALID): New macro.
1853 (frv_queue_fp_exception_interrupt): New function.
1854 (FRV_IS_FLOAT_INSN): New macro.
1855
18561999-11-04 Dave Brolley <brolley@cygnus.com>
1857
1858 * traps.c (frvbf_fpu_error): No floating point errors need to be
1859 detected.
1860 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1861 of the ESR registers too.
1862 (set_exception_status_registers): Don't set EAR for any precise
1863 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1864 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1865 (non_operating_interrupt): No need for return code.
1866 (frv_program_or_software_interrupt): Process interrupt regardless
1867 of operating mode. If PSR.ET was not set at the start of processing,
1868 then stop the simulation with a message.
1869 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1870 CGEN_MEM_XI_WRITE.
1871 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1872 (frvbf_h_fr_quad_set_handler): New function.
1873 (frvbf_h_cpr_quad_set_handler): New function.
1874 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1875 sim_queue_fn_xi_write.
1876 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1877 sim_queue_fn_xi_write.
1878 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1879 sim_queue_fn_xi_write.
1880 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1881 sim_queue_mem_xi_write.
1882 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1883 sim_queue_mem_xi_write.
1884 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1885 sim_queue_mem_xi_write.
1886 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1887 (frvbf_h_fr_quad_set_handler): New function.
1888 (frvbf_h_cpr_quad_set_handler): New function.
1889 (SET_ESR_VALID): New macro.
1890 (CLEAR_ESR_VALID): New macro.
1891 (CLEAR_ESR_EAV): New macro.
1892 (CLEAR_ESR_EDV): New macro.
1893 * sem.c: Regenerate.
1894
18951999-11-02 Dave Brolley <brolley@cygnus.com>
1896
1897 * traps.c (frv_core_signal): Call
1898 frv_queue_mem_address_not_aligned_interrupt.
1899 * mloop.in (_parallel_write_queued): Call
1900 frv_save_data_written_for_interrupts.
1901 * frv.c (frvbf_h_gr_double_get_handler): Call
1902 frv_queue_register_exception_interrupt.
1903 (frvbf_h_cpr_double_get_handler): Call
1904 frv_queue_register_exception_interrupt.
1905 (frvbf_h_cpr_double_set_handler): Call
1906 frv_queue_register_exception_interrupt.
1907 (frvbf_load_multiple_GR): Call
1908 frv_queue_register_exception_interrupt.
1909 (frvbf_store_multiple_GR): Call
1910 frv_queue_register_exception_interrupt.
1911 (frvbf_load_multiple_CPR): Call
1912 frv_queue_register_exception_interrupt.
1913 (frvbf_store_multiple_CPR): Call
1914 frv_queue_register_exception_interrupt.
1915 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1916 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1917 queue element.
1918 (frv_queue_program_interrupt): Now returns interrupt queue element.
1919 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1920 element.
1921 (frv_queue_interrupt): Now returns interrupt queue element.
1922 (frv_queue_register_exception_interrupt): New function.
1923 (frv_queue_mem_address_not_aligned_interrupt): New function.
1924 (frv_save_data_written_for_interrupts): New function.
1925 (next_available_edr): EDR registers available in blocks of 4.
1926 (clear_exception_status_registers): New function.
1927 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1928
1929 * frv-sim.h (struct frv_data_written): New struct type.
1930 (frv_interrupt_queue_element): Add data_written member.
1931 (frv_queue_software_interrupt): Now returns interrupt queue element.
1932 (frv_queue_program_interrupt): Now returns interrupt queue element.
1933 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1934 element.
1935 (frv_queue_interrupt): Now returns interrupt queue element.
1936 (frv_queue_register_exception_interrupt): New function.
1937 (frv_queue_mem_address_not_aligned_interrupt): New function.
1938 (frv_save_data_written_for_interrupts): New function.
1939
19401999-10-27 Dave Brolley <brolley@cygnus.com>
1941
1942 * interrupts.c (ITABLE_ENTRY): New macro.
1943 (frv_interrupt_table): Add exception codes.
1944 (next_available_esr): New function.
1945 (next_available_edr): New function.
1946 (set_edr_register): New function.
1947 (set_exception_status_registers): New function.
1948 (check_for_compound_interrupt): Record information on all interrupts
1949 found.
1950 (frv_program_interrupt): Always call check_for_compound_interrupt.
1951 * frv.c (frvbf_h_pc_set_handler): Removed.
1952 (frvbf_h_spr_get_handler): Handle LR register.
1953 (frvbf_h_spr_set_handler): Handle LR register.
1954 (frvbf_h_lr_get_handler): New function.
1955 (frvbf_h_lr_set_handler): New function.
1956 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1957 (frvbf_h_lr_set_handler): New function.
1958 (frv_ec): New enumeration.
1959 (frv_interrupt): Add frv_ec field.
1960 (frv_rec): New enumeration.
1961 (frv_daec): New enumeration.
1962 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1963 (SET_ESR_EC): New macro.
1964 (SET_ESR_REC): New macro.
1965 (SET_ESR_IAEC): New macro.
1966 (SET_ESR_DAEC): New macro.
1967 (SET_ESR_EAV): New macro.
1968 (GET_ESR_EDV): New macro.
1969 (SET_ESR_EDV): New macro.
1970 (GET_ESR_EDN): New macro.
1971 (SET_ESR_EDN): New macro.
1972 (GET_ESR): New macro.
1973 (SET_ESR): New macro.
1974 (SET_EPCR): New macro.
1975 (SET_EAR): New macro.
1976 (SET_EDR): New macro.
1977 (GET_ESFR): New macro.
1978 (SET_ESFR): New macro.
1979 * cpu.c,cpu.h,sem.c: Rebuild.
1980
19811999-10-26 Dave Brolley <brolley@cygnus.com>
1982
1983 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1984 if mach is frv.
1985 (clear_nesr_neear): Only execute if mach is frv.
1986
19871999-10-22 Dave Brolley <brolley@cygnus.com>
1988
1989 * sim-main.h (sim_cpu): Add pipeline.
1990 (CPU_PIPELINE): New macro.
1991 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1992 (main loop): Maintain pc in cpu.
1993 * frv-sim.h (frv_queue_software_interrupt): New interface.
1994 (frv_queue_program_interrupt): New interface.
1995 (frv_queue_illegal_instruction_interrupt: New interface.
1996 (frv_queue_interrupt): New interface.
1997 (frv_detect_insn_access_interrupts): New interface.
1998 (frv_process_interrupts): New interface.
1999 (frv_program_interrupt): New interface.
2000 (frv_software_interrupt): New interface.
2001 (frv_program_or_software_interrupt): New interface.
2002 (FRV_PIPELINE): Moved from pipline.c.
2003 (frv_pipeline_reset): New interface.
2004 (frv_pipeline_add_insn): New interface.
2005 * interrupts.c (frv_queue_software_interrupt): New interface.
2006 (frv_queue_program_interrupt): New interface.
2007 (frv_queue_illegal_instruction_interrupt: New interface.
2008 (frv_queue_interrupt): New interface.
2009 (frv_detect_insn_access_interrupts): New interface.
2010 (frv_process_interrupts): New interface.
2011 (frv_program_interrupt): New interface.
2012 (frv_software_interrupt): New interface.
2013 (frv_program_or_software_interrupt): New interface.
2014 * frv.c: Use new interfaces.
2015 * pipeline.c: Use new interfaces.
2016 * traps.c: Use new interfaces.
2017 * memory.c: Use new interfaces.
2018 (frv_address_forbidden): No longer static.
2019
20201999-10-19 Dave Brolley <brolley@cygnus.com>
2021
2022 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2023 NESR.EC.
2024 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2025 * frv.c (frvbf_h_pc_set_handler): New function.
2026 * interrupts.c (frv_detect_data_interrupt): Removed.
2027 (address_forbidden): Removed.
2028 * frv-sim.h (frv_detect_data_interrupt): Removed.
2029 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2030 (NESR_REGISTER_NOT_ALIGNED): New macro.
2031 (NESR_UQI_SIZE): New macro.
2032 (NESR_QI_SIZE): New macro.
2033 (NESR_UHI_SIZE): New macro.
2034 (NESR_HI_SIZE): New macro.
2035 (NESR_SI_SIZE): New macro.
2036 (NESR_DI_SIZE): New macro.
2037 (NESR_XI_SIZE): New macro.
2038 (GET_NESR_DAEC): New macro.
2039 (SET_NESR_DAEC): New macro.
2040 (GET_NESR_REC): New macro.
2041 (SET_NESR_REC): New macro.
2042 (GET_NESR_EC): New macro.
2043 (SET_NESR_EC): New macro.
2044 (frvbf_read_mem_QI): New function.
2045 (frvbf_read_mem_UQI): New function.
2046 (frvbf_read_mem_HI): New function.
2047 (frvbf_read_mem_UHI): New function.
2048 (frvbf_read_mem_SI): New function.
2049 (frvbf_read_mem_WI): New function.
2050 (frvbf_read_mem_DI): New function.
2051 (frvbf_read_mem_DF): New function.
2052 (frvbf_write_mem_QI): New function.
2053 (frvbf_write_mem_UQI): New function.
2054 (frvbf_write_mem_HI): New function.
2055 (frvbf_write_mem_UHI): New function.
2056 (frvbf_write_mem_SI): New function.
2057 (frvbf_write_mem_WI): New function.
2058 (frvbf_write_mem_DI): New function.
2059 (frvbf_write_mem_DF): New function.
2060 * Makefile.in (SIM_OBJS): Add memory.o.
2061 * cpu.c,cpu.h,sem.c: Rebuild.
2062
20631999-10-18 Dave Brolley <brolley@cygnus.com>
2064
2065 * sim-if.c (sim_open): Use a real fpu error function.
2066 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2067 * mloop.in (_parallel_write_queued): Clear queue after writing.
2068 * interrupts.c (check_for_compound_interrupt): New function.
2069 (non_operating_interrupt): New function.
2070 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2071 (frvbf_h_gr_double_set_handler): New function.
2072 (frvbf_h_fr_double_get_handler): New function.
2073 (frvbf_h_fr_double_set_handler): New function.
2074 (frvbf_h_cpr_double_get_handler): New function.
2075 (frvbf_h_cpr_double_set_handler): New function.
2076 (frv_interrupt_queue_element): New struct type.
2077 (frv_queue_program_interrupt): Now takes pc.
2078 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2079 (frv_queue_interrupt): Now takes pc.
2080 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2081 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2082 (frvbf_division_exception): New function.
2083 (frvbf_fpu_error): New function.
2084 (frvbf_load_multiple_GR): New function.
2085 (frvbf_load_multiple_FR): New function.
2086 (frvbf_load_multiple_CPR): New function.
2087 * frv.c (frvbf_h_gr_double_get_handler): New function.
2088 (frvbf_h_gr_double_set_handler): New function.
2089 (frvbf_h_fr_double_get_handler): New function.
2090 (frvbf_h_fr_double_set_handler): New function.
2091 (frvbf_h_cpr_double_get_handler): New function.
2092 (frvbf_h_cpr_double_set_handler): New function.
2093 (frv_interrupt_queue_element): New struct type.
2094 (frv_queue_program_interrupt): Now takes pc.
2095 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2096 (frv_queue_interrupt): Now takes pc.
2097 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2098 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2099 (frvbf_fpu_error): New function.
2100 (frvbf_load_multiple_GR): New function.
2101 (frvbf_load_multiple_FR): New function.
2102 (frvbf_load_multiple_CPR): New function.
2103 * traps.c (frvbf_division_exception): New function.
2104 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2105
21061999-10-12 Dave Brolley <brolley@cygnus.com>
2107
2108 * mloop.in (new_vpc): New variable.
2109 (main loop): Call frv_detect_insn_access_interrupts. Call
2110 frv_detect_data_interrupts.
2111 * interrupts.c (access_queued_to): New function.
2112 (frv_detect_data_interrupts): New function.
2113 (frv_detect_insn_access_interrupts): New function.
2114 (frv_program_or_software_interrupt): Set PSR.S.
2115 * frv-sim.h (frv_detect_data_interrupts): New function.
2116 (frv_detect_insn_interrupts): New function.
2117
21181999-10-07 Dave Brolley <brolley@cygnus.com>
2119
2120 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2121 (frvbf_h_gr_hi_set_handler): New function.
2122 (frvbf_h_gr_lo_get_handler): New function.
2123 (frvbf_h_gr_lo.set_handler): New function.
2124 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2125 (frvbf_h_gr_hi_set_handler): New function.
2126 (frvbf_h_gr_lo_get_handler): New function.
2127 (frvbf_h_gr_lo.set_handler): New function.
2128 (frvbf_model_fr500_u_integer): New function.
2129 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2130
21311999-10-04 Dave Brolley <brolley@cygnus.com>
2132
2133 * traps.c: Use sim_engine_abort.
2134 * pipeline.c (frv_pipeline): Add field for insn major.
2135 (add_next_to_pipe): Return address of matching pipeline.
2136 (find_major_in_pipeline): New function.
2137 (check_insn_major_constraints: New function.
2138 (frv_pipeline_add_insn): Add checks for insn major constraints.
2139 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2140 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2141
2142Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2143
2144 * pipeline.c: New file.
2145 * mloop.in (main loop): Call frv_pipeline_reset.
2146 Call frv_pipeline_add_insn.
2147 * frv-sim.h (frv_pipeline_reset): New function.
2148 (frv_pipeline_add_insn): New function.
2149 * Makefile.in (SIM_OBJS): Add pipeline.o
2150
21511999-09-29 Doug Evans <devans@casey.cygnus.com>
2152
2153 * sem.c: Rebuild.
2154 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2155 result to SEM_PC. Return vpc.
2156
2157Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2158
2159 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2160 (frv_queue_interrupt): Don't detect identical interrupts here.
2161
2162Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2163
2164 * interrupts.c: New file.
2165 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2166 (frv_software_interrupt): Moved to interrupts.c.
2167 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2168 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2169 (@cpu@_perform_writeback): New function.
2170 (main loop): Call frv_process_interrupts.
2171 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2172 (frv_itrap): New interface.
2173 (frv_interrupt_class): New enumeration.
2174 (frv_interrupt_kind): New enumeration.
2175 (struct frv_interrupt): New struct type.
2176 (frv_interrupt_table): New table of interrupt information.
2177 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2178 (struct frv_interrupt_state): New struct type.
2179 (frv_interrupt_state): New global variable.
2180 (previous_vliw_pc): New global variable.
2181 (frv_queue_software_interrupt): New function.
2182 (frv_queue_program_interrupt): New function.
2183 (frv_queue_interrupt): New function.
2184 (frv_process_interrupts): New function.
2185 (frv_program_interrupt): New function.
2186 (frv_software_interrupt): New function.
2187 (frv_program_or_software_interrupt): New function.
2188 (frv_clear_interrupt_classes): New function.
2189 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2190 * Makefile.in (SIM_OBJS): Add interrupts.o
2191 * sem.c: Rebuild.
2192
21931999-09-25 Doug Evans <devans@casey.cygnus.com>
2194
2195 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2196
2197Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2198
2199 * mloop.in (main loop): Determine last insn from scache entry.
2200 * cpu.h: Rebuild.
2201 * cpuall.h: Rebuild.
2202
2203Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2204
2205 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2206 (NECR_ELOS): Define as unshifted value.
2207 (NECR_NEN): Define as unshifted value.
2208 (NECR_VALID): Define as unshifted value.
2209 (SET_NESR): Rewite to use post-write queue.
2210 (SET_NESR_VALID): Rewite to operate on argument.
2211 (SET_NESR_EAV): Rewite to operate on argument.
2212 (SET_NESR_FR): Rewite to operate on argument.
2213 (CLEAR_NESR_FR): Rewite to operate on argument.
2214 (SET_NESR_DRN): Rewite to operate on argument.
2215 (SET_NESR_SIZE): Rewite to operate on argument.
2216 (SET_NESR_NEAN): Rewite to operate on argument.
2217 (SET_NEEAR): Rewite to use post-write queue.
2218 (SET_NE_FLAG): Rewite to use post-write queue.
2219 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2220 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2221 (frv_rett): Rewite to use post-write queue.
2222 (next_available_nesr): Rewrite to use new macro interfaces.
2223 (next_valid_nesr): Ditto.
2224 (frvbf_check_non_excepting_load): Ditto.
2225 (frvbf_check_recovering_store): Ditto.
2226 (clear_nesr_neear): Ditto.
2227 (clear_ne_flags): Ditto.
2228 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2229 when flag is set.
2230 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2231 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2232 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2233 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2234 * Makefile.in (frv.o): Depend on cgen-par.h.
2235
2236Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2237
2238 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2239 (frvbf_write_next_vliw_addr_to_LR): New flag.
2240 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2241 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2242 address of the next VLIW insn if flag is set.
2243 * cpu.h,decode.c,sem.c: Rebuild.
2244
2245Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2246
2247 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2248 * sem.c: Rebuild.
2249
22501999-09-02 Doug Evans <devans@casey.cygnus.com>
2251
2252 * configure: Regenerated to track ../common/aclocal.m4 changes.
2253
22541999-09-01 Doug Evans <devans@casey.cygnus.com>
2255
2256 * decode.c: Rebuild.
2257
2258Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2259
2260 * traps.c (frv_rett): New function.
2261 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2262 (frvbf_h_spr_set_handler): Handle bpsr.
2263 (frvbf_h_bpsr_get_handler): New function.
2264 (frvbf_h_bpsr_set_handler): New function.
2265 * frv-sim.h (frv_rett): New function.
2266 (frvbf_h_bpsr_get_handler): New function.
2267 (frvbf_h_bpsr_set_handler): New function.
2268 * mloop.in: Read actual packing bit.
2269 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2270
2271Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2272
2273 * traps.c (WANT_CPU): New macro.
2274 (WANT_CPU_FRVBF): New macro.
2275 (frvbf_check_recovering_store): Use registers for source and queue
2276 writes.
2277 * mloop.in: New main loop for parallel support.
2278 (@cpu@_parallel_write_init): New function.
2279 (@cpu@_parallel_write_queued): New function.
2280 * frv-sim.h (set_icc_for_shift_left): New interface.
2281 (set_icc_for_shift_right): New interface.
2282 (frvbf_check_recovering_store): New interface.
2283 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2284 (set_icc_for_shift_right): Pass and return icc value.
2285 (frvbf_check_recovering_store): New interface.
2286 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2287 (stamp-mloop): Add cgen parallel options.
2288 (stamp-arch): Remove with-profile option.
2289 (stamp-cpu): Add cgen parallel options.
2290 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2291
22921999-08-28 Doug Evans <devans@casey.cygnus.com>
2293
2294 * cpu.h,decode.c,sem.c: Rebuild.
2295
2296Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2297
2298 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2299
2300Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2301
2302 * configure.in: fr500 now the default model.
2303 * configure: Regenerate.
2304 * frv.c: Change frv-1 to frv-gen.
2305 (frvbf_model_fr500_u_exec): New function.
2306 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2307 * mloop.in: Fix typos in comments.
2308 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2309
23101999-08-17 Dave Brolley <brolley@cygnus.com>
2311
2312 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2313
23141999-08-09 Doug Evans <devans@casey.cygnus.com>
2315
2316 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2317
23181999-08-04 Doug Evans <devans@casey.cygnus.com>
2319
2320 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2321
2322Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2323
2324 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2325 (frvbf_store_register): Use GDB register number macros.
2326 (frvbf_cut): New function.
2327 * frv-sim.h (GR_REGNUM_MAX): New macro.
2328 (FR_REGNUM_MAX): New macro.
2329 (PC_REGNUM): New macro.
2330 (LR_REGNUM): New macro.
2331 (frvbf_cut): New function.
2332 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2333
23341999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2335
2336 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2337 add default for unhandled registers.
2338 (frvbf_store_register): Add ability to set LR register.
2339
23401999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2341
2342 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2343 (decode_gdb_dr_regnum): Remove, not used.
2344
23451999-07-13 Michael Meissner <meissner@cygnus.com>
2346
2347 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2348
2349 * configure.in (--enable-sim-trapdump): New switch to make unknown
2350 traps dump the register contents, instead of doing the trap thing.
2351 * configure: Regenerate.
2352
2353 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2354 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2355 temporarily.
2356
2357 * traps.h (toplevel): Include bfd.h, libiberity.h.
2358 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2359 dumping the registers.
2360
2361Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2362
2363 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2364
2365Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2366
2367 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2368
2369Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2370
2371 * frv.c (frvbf_square_root_SF): Removed.
2372 (frvbf_square_root_DF): Removed.
2373 (frvbf_h_fr_double_get_handler): Removed.
2374 (frvbf_h_fr_double_set_handler): Removed.
2375 (frvbf_h_fr_int_get_handler): Removed.
2376 (frvbf_h_fr_int_set_handler): Removed.
2377 * frv-sim.h (frvbf_square_root_SF): Removed.
2378 (frvbf_square_root_DF): Removed.
2379 (frvbf_h_fr_double_get_handler): Removed.
2380 (frvbf_h_fr_double_set_handler): Removed.
2381 (frvbf_h_fr_int_get_handler): Removed.
2382 (frvbf_h_fr_int_set_handler): Removed.
2383 * decode.c,decode.h,model.c,sem.c: Rebuild.
2384
23851999-07-05 Doug Evans <devans@casey.cygnus.com>
2386
2387 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2388 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2389 * sim-if.c (sim_open): Initialize fpu.
2390 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2391 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2392 with frvbf_h_fr_get.
2393
2394Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2395
2396 * frv-sim.h (NESR_RANGE): New macro.
2397 (NO_NESR): New macro.
2398 (GET_NESR_VALID): New macro.
2399 (next_ne_index): Removed.
2400 * traps.c (next_available_nesr): New function.
2401 (next_valid_nesr): New function.
2402 (frvbf_check_non_excepting_load): Use next_available_nesr.
2403 (frvbf_check_recovering_store): Use next_available_nesr and
2404 next_valid_nesr.
2405 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2406 (frvbf_check_recovering_store): Only consider one matching register.
2407 * sem.c: Rebuild.
2408
2409Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2410
2411 * frv.c (frvbf_square_root_SF): New function.
2412 (frvbf_square_root_DF): New function.
2413 (frvbf_h_fr_double_get_handler): New function.
2414 (frvbf_h_fr_double_set_handler): New function.
2415 * frv-sim.h (frvbf_square_root_SF): New function.
2416 (frvbf_square_root_DF): New function.
2417 (frvbf_h_fr_double_get_handler): New function.
2418 (frvbf_h_fr_double_set_handler): New function.
2419 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2420
24211999-06-28 Dave Brolley <brolley@cygnus.com>
2422
2423 * decode.c,decode.h,model.c,sem.c: Regenerate.
2424
2425Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2426
2427 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2428 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2429 (frvbf_h_fr_int_set_handler): New function.
2430 (frvbf_store_multiple_FRint): New function.
2431 (frvbf_square_root_SF): New function.
2432 * frv.c (frvbf_h_fr_int_get_handler): New function.
2433 (frvbf_h_fr_int_set_handler): New function.
2434 (frvbf_store_multiple_FRint): New function.
2435 (frvbf_square_root_SF): New function.
2436 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2437
24381999-06-23 Doug Evans <devans@casey.cygnus.com>
2439
2440 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2441 to genmloop.sh. Pass -scache instead.
2442 (mloop.o): Delete sem-switch.c dependency.
2443 (sem-switch.c): Delete rule.
2444 (stamp-cpu): Don't build sem-switch.c.
2445 * sem-switch.c: Delete.
2446 * mloop.in (xfull-exec-*): Fix call to execute.
2447 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2448
2449 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2450
2451Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2452
2453 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2454
2455Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2456
2457 * mloop.in (execute): Force gr0 to zero before each insn.
2458 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2459
24601999-06-18 Doug Evans <devans@casey.cygnus.com>
2461
2462 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2463
2464Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2465
2466 * frv.c (frvbf_h_gr_get_handler): New function.
2467 (frvbf_h_gr_set_handler): New function:
2468 (frvbf_store-multiple_GR): New function:
2469 (frvbf_store-multiple_FR): New function:
2470 (frvbf_store-multiple_CPR): New function:
2471 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2472 (frvbf_h_gr_set_handler): New function:
2473 (frvbf_store-multiple_GR): New function:
2474 (frvbf_store-multiple_FR): New function:
2475 (frvbf_store-multiple_CPR): New function:
2476 * traps.c (frv_itrap): Implement proper syscalls interface.
2477 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2478
2479Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2480
2481 * traps.c (frvbf_check_non_excepting_divide): New function.
2482 (frvbf_check_recovering_store): New function.
2483 (clear_nesr_neear): New function.
2484 (clear_ne_flags): New function.
2485 (frvbf_commit): New function.
2486
2487 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2488 (frvbf_check_recovering_store): New function.
2489 (clear_nesr_neear): New function.
2490 (clear_ne_flags): New function.
2491 (frvbf_commit): New function.
2492 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2493
24941999-06-16 Dave Brolley <brolley@cygnus.com>
2495
2496 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2497 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2498 * traps.c (next_ne_index): New variable.
2499 (frvbf_check_non_excepting_load): New function.
2500 * frv-sim.h (NECR_ELOS): New macro.
2501 (NECR_NEN): New macro.
2502 (NECR_VALID): New macro.
2503 (SET_NESR_VALID): New macro.
2504 (SET_NESR_EAV): New macro.
2505 (SET_NESR_FR): New macro.
2506 (CLEAR_NESR_FR): New macro.
2507 (SET_NESR_DRN): New macro.
2508 (SET_NESR_SIZE): New macro.
2509 (SET_NESR_NEAN): New macro.
2510 (SET_NEEAR): New macro.
2511 (GET_NE_FLAG): New macro.
2512 (SET_NE_FLAG): New macro.
2513 (CLEAR_NE_FLAG): New macro.
2514 (frvbf_check_non_excepting_load): New function:
2515 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2516
2517Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2518
2519 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2520
2521Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2522
2523 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2524 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2525
2526Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2527
2528 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2529
25301999-06-07 Dave Brolley <brolley@cygnus.com>
2531
2532 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2533
2534Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2535
2536 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2537
2538Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2539
2540 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2541
2542Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2543
2544 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2545
2546Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2547
2548 * traps.c (frv_software_interrupt): Pass current_cpu to
2549 frvbf_h_psr_esr_get.
2550 (frv_software_interrupt): Calculate the new PC based on TBR.
2551 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2552
25531999-05-31 Dave Brolley <brolley@cygnus.com>
2554
2555 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2556
2557Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2558
2559 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2560 (frvbf_h_cccr_set_handler): New function.
2561 (frvbf_scan_result): New function.
2562 (frvbf_cr_logic): New function.
2563 * frv.c (frvbf_h_cccr_get_handler): New function.
2564 (frvbf_h_cccr_set_handler): New function.
2565 (frvbf_scan_result): New function.
2566 (frvbf_cr_logic): New function.
2567 (cr_ops,cr_result,cr_logic): New table.
2568 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2569
25701999-05-25 Dave Brolley <brolley@cygnus.com>
2571
2572 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2573 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2574 (frv_psr_get_handler): New function.
2575 (frv_psr_set_handler): New function.
2576 (frv_tbr_get_handler): New function.
2577 (frv_tbr_set_handler): New function.
2578 (frvbf_h_ccr_get_handler): Add support for fCC.
2579 (frvbf_h_ccr_set_handler): Add support for fCC.
2580 * frv-sim.h (frv_psr_get_handler): New function.
2581 (frv_psr_set_handler): New function.
2582 (frv_tbr_get_handler): New function.
2583 (frv_tbr_set_handler): New function.
2584 * traps.c (frv_software_interrupt): Implement.
2585 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2586
2587Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2588
2589 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2590
25911999-05-18 Dave Brolley <brolley@cygnus.com>
2592
2593 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2594 (frvbf_set_icc_for_shift_right): New function.
2595 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2596 (frvbf_set_icc_for_shift_right): New function.
2597 (SETMEMSF): New Macro.
2598 (SETMEMDF): New Macro.
2599 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2600
2601Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2602
2603 * frv.c (frvbf_h_ccr_get_handler): New function.
2604 (frvbf_h_ccr_set_handler): New function.
2605 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2606
2607Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2608
2609 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2610 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2611 * frv.c: Likewise.
2612 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2613
26141999-05-10 Dave Brolley <brolley@cygnus.com>
2615
2616 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2617
2618Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2619
2620 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2621 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2622
2623Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2624
2625 * traps.c (frv_software_interrupt): New function.
2626 (frv_itrap): New function.
2627 * frv-sim.h (TRAP_SYSCALL): define as 0.
2628 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2629
2630Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2631
2632 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2633
2634Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2635
2636 * Directory created.
GDB Binutils - Deliverables
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