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* cgen.h: Include bfd_stdint.h.
[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
b29791a8
DE		 12009-11-03 Doug Evans <dje@sebabeach.org>
2
3 * arch.c: Regenerate.
4 * arch.h: Regenerate.
5 * cpu.c: Regenerate.
6 * cpu.h: Regenerate.
7 * cpuall.h: Regenerate.
8 * decode.c: Regenerate.
9 * decode.h: Regenerate.
10 * model.c: Regenerate.
11 * sem.c: Regenerate.
12
d6416cdc
RW		 132009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14
81ecdfbb
RW		 15 * config.in: Regenerate.
16 * configure: Likewise.
17
d6416cdc
RW		 18 * configure: Regenerate.
19
7b1a2840
HPN		 202009-01-07 Hans-Peter Nilsson <hp@axis.com>
21
22 * sem.c: Regenerate.
23
bce3bbcb
HPN		 242008-12-23 Hans-Peter Nilsson <hp@axis.com>
25
26 * arch.c, arch.h, cpu.c, cpu.h, cpuall.h, decode.c, decode.h,
27 model.c, sem.c: Regenerate.
28
b5bd9624
HPN		 292008-07-11 Hans-Peter Nilsson <hp@axis.com>
30
31 * configure: Regenerate to track ../common/common.m4 changes.
32 * config.in: Ditto.
33
6efef468
JM		 342008-06-06 Vladimir Prus <vladimir@codesourcery.com>
35 Daniel Jacobowitz <dan@codesourcery.com>
36 Joseph Myers <joseph@codesourcery.com>
37
38 * configure: Regenerate.
39
b1bfc053
HPN		 402006-12-21 Hans-Peter Nilsson <hp@axis.com>
41
42 * config.in: Regenerate.
43
e85e3205
RE		 442006-06-13 Richard Earnshaw <rearnsha@arm.com>
45
46 * configure: Regenerated.
47
2f0122dc
DJ		 482006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
49
50 * configure: Regenerated.
51
20e95c23
DJ		 522006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
53
54 * configure: Regenerated.
55
79e59fe6
DB		 562005-10-28 Dave Brolley <brolley@redhat.com>
57
58 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
59
60 Contribute the following changes:
61 2003-09-29 Dave Brolley <brolley@redhat.com>
62
63 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
64 CGEN_ATTR_VALUE_TYPE.
65 * mloop.in: Ditto.
66 * pipeline.c: Ditto.
67 * traps.c: Ditto.
68
2b193c4a
MK		 692005-03-23 Mark Kettenis <kettenis@gnu.org>
70
71 * configure: Regenerate.
72
35695fd6
AC		 732005-01-14 Andrew Cagney <cagney@gnu.org>
74
75 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
76 explicit call to AC_CONFIG_HEADER.
77 * configure: Regenerate.
78
f0569246
AC		 792005-01-12 Andrew Cagney <cagney@gnu.org>
80
81 * configure.ac: Update to use ../common/common.m4.
82 * configure: Re-generate.
83
38f48d72
AC		 842005-01-11 Andrew Cagney <cagney@localhost.localdomain>
85
86 * configure: Regenerated to track ../common/aclocal.m4 changes.
87
b7026657
AC		 882005-01-07 Andrew Cagney <cagney@gnu.org>
89
90 * configure.ac: Rename configure.in, require autoconf 2.59.
91 * configure: Re-generate.
92
379832de
HPN		 932004-12-08 Hans-Peter Nilsson <hp@axis.com>
94
95 * configure: Regenerate for ../common/aclocal.m4 update.
96
45aa12b4
RS		 972004-08-27 Richard Sandiford <rsandifo@redhat.com>
98
99 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
100 * cpuall.h, model.c, sem.c: Regenerated.
101
676a64f4
RS		 1022004-03-01 Richard Sandiford <rsandifo@redhat.com>
103
104 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
105 (profile-fr450.o): New dependency.
106 (stamp-cpu): Add fr450 to the list of machs.
107 * sim-frv.h (SPR_IS_ACC): New macro.
108 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
109 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
110 * frv.c (check_register_alignment, check_fr_register_alignment)
111 (check_memory_alignment, do_media_average): Likewise.
112 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
113 rather than a consecutive range.
114 * interrupts.c (frv_queue_illegal_instruction_interrupt)
115 (frv_queue_non_implemented_instruction_interrupt): Handle
116 bfd_mach_fr450.
117 * memory.c (check_data_read_address, check_readwrite_address)
118 (check_insn_read_address, check_write_address): Likewise.
119 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
120 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
121 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
122 * profile-fr450.c: New file.
123 * registers.c (fr450_spr): New array.
124 (frv_register_control_init): Check its size. Use it for fr450.
125 (frv_check_register_access): Handle bfd_mach_fr450.
126 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
127 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
128 (frvbf_media_acc_not_aligned): Likewise.
129 (frvbf_media_register_not_aligned): Likewise.
130 * arch.c: Regenerate.
131 * arch.h: Regenerate.
132 * cpu.h: Regenerate.
133 * cpuall.h: Regenerate.
134 * decode.h: Regenerate.
135 * model.c: Regenerate.
136
c7a48b9a
RS		 1372004-03-01 Richard Sandiford <rsandifo@redhat.com>
138
139 * cache.c (frv_cache_init): Change fr400 cache statistics to match
140 the fr405.
141 (non_cache_access): Add missing breaks.
142 * interrupts.c (set_exception_status_registers): Always set EAR15
143 for data_access_errors.
144 * memory.c (fr400_check_write_address): Remove redundant alignment
145 check.
146 * model.c: Regenerate.
147
8b73069f
RS		 1482004-03-01 Richard Sandiford <rsandifo@redhat.com>
149
150 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
151
8ae0baa2
RS		 1522004-03-01 Richard Sandiford <rsandifo@redhat.com>
153
154 * decode.c, decode.h, model.c, sem.c: Regenerate.
155
d74c4203
KB		 1562003-11-24 Kevin Buettner <kevinb@redhat.com>
157
158 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
159 (SPR_REGNUM_MAX): Delete.
160 * frv.c (gdb/sim-frv.h): Include.
161 (frvbf_fetch_register, frvbf_store_register): Use register number
162 constants from gdb/sim-frv.h. Check availability of general
163 purpose and float registers.
164
0b01870b
DB		 1652003-11-03 Dave Brolley <brolley@redhat.com>
166
167 * cache.c (address_interference): Check for higher priority requests
168 in the same pipeline.
169
9a29f3ca
DB		 1702003-10-31 Dave Brolley <brolley@redhat.com>
171
162cec1b 172 * frv-sim.h (LR_REGNUM): Removed.
073926e5 173 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 174 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 175 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 176 Return 0 for an unimplemented register. Return the length of the data
177 for an implemented register.
178 (frvbf_store_register): Ditto.
179
fc0a2244
AC		 1802003-10-30 Andrew Cagney <cagney@redhat.com>
181
182 * traps.c: Replace "struct symbol_cache_entry" with "struct
183 bfd_symbol".
184
29a79ca0
DB		 1852003-10-10 Dave Brolley <brolley@redhat.com>
186
187 * cpu.h, sem.c: Regenerate.
188
e930b1f5
DB		 1892003-10-06 Dave Brolley <brolley@redhat.com>
190
191 * profile-fr550.[ch]: New files.
192 * configure.in: Move frv handling to alphabetically correct placement.
193 * Makefile.in: Add fr550 support.
194 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
195 profile.[ch],registers.c,traps.c: Add fr550 support.
196 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
197 Regenerate.
198
22f367a7
DB		 1992003-09-25 Dave Brolley <brolley@redhat.com>
200
201 * reset.c (frv_initialize): Call frv_register_control_init first.
202
1c453cd6
DB		 2032003-09-24 Dave Brolley <brolley@redhat.com>
204
205 * profile.h (update_FR_ptime): New prototype.
206 (update_FRdouble_ptime): Ditto.
207 (update_SPR_ptime): Ditto.
208 (increase_ACC_busy): Ditto.
209 (enforce_full_acc_latency): Ditto.
210 (post_wait_for_SPR): Ditto.
211 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
212 (update_FRdouble_ptime): Ditto.
213 (update_SPR_ptime): New function.
214 (increase_ACC_busy): Ditto.
215 (enforce_full_acc_latency): Ditto.
216 (vliw_wait_for_fdiv_resource): Correct resource name.
217 (vliw_wait_for_fsqrt_resource): Ditto.
218 (post_wait_for_SPR): New function.
219 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
220 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
221 adjust_float_register_busy.
222 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
223 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
224 registers.
225 (frvbf_model_fr500_u_float_arith): Ditto.
226 (frvbf_model_fr500_u_float_dual_arith): Ditto.
227 (frvbf_model_fr500_u_float_div): Ditto.
228 (frvbf_model_fr500_u_float_sqrt): Ditto.
229 (frvbf_model_fr500_u_float_convert): Ditto.
230 (update_FR_ptime): Moved to profile.c
231 (update_FRdouble_ptime): Moved to profile.c
232 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
233 for other machines.
234 (update_FRdouble_ptime): Ditto.
235 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
236
153431d6
DB		 2372003-09-12 Dave Brolley <brolley@redhat.com>
238
239 * registers.c (frv_check_spr_read_access): Check for access to
240 ACC4-ACC63 and ACCG4-ACCG63.
241 * profile.h (frv-desc.h): #include it.
242 (spr_busy): New member of FRV_PROFILE_STATE.
243 (spr_latency): Ditto.
244 (GNER_FOR_GR): New macro.
245 (FNER_FOR_FR): New maccro.
246 (update_SPR_latency): New function.
247 (vliw_wait_for_SPR): New function.
93938d47 248 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 249 (update_target_latencies): Ditto.
250 (update_SPR_latency): New function.
251 (vliw_wait_for_SPR): New function.
252 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
253 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
254 (frvbf_model_fr500_u_check): Ditto.
255 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
256 (frvbf_model_fr500_u_clrfr): Ditto.
257 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
258 (frvbf_model_fr500_u_gr2spr): Ditto.
259 * frv-sim.h (H_SPR_ACC4): New macro.
260 (H_SPR_ACCG4): New macro;
261 (H_SPR_ACC0): Removed.
262 (H_SPR_ACCG0): Removed.
263 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
264
ba9c4053
DB		 2652003-09-10 Dave Brolley <brolley@redhat.com>
266
267 * profile.c (slot_names): FM1 was listed twice. Changed first
268 instance to FM0. Added IALL, FMALL and FMLOW.
269 (print_parallel): Don't examine slots with no insns.
270
f9e18f5a
DB		 2712003-09-09 Dave Brolley <brolley@redhat.com>
272
273 * frv.c (do_media_average): Select machine using a switch.
274
d89a78b6
DB		 2752003-09-08 Dave Brolley <brolley@redhat.com>
276
277 On behalf of Doug Evans <dje@sebabeach.org>
278 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
279 Remove copying of .cpu file to cgen/cpu, no longer needed.
280
d03ea14f
DB		 2812003-09-03 Dave Brolley <brolley@redhat.com>
282
283 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
284
e8d2f504
DB		 2852003-08-29 Dave Brolley <brolley@redhat.com>
286
287 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
288 temporarily when regenerating files.
289 (stamp-cpu): Ditto.
290
b34f6357
DB		 2912003-08-20 Micheal Snyder <msnyder@redhat.com>
292
293 * All generated files: Regenerate.
294
2952001-10-11 Dave Brolley <brolley@redhat.com>
296
297 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
298
2992001-10-09 Dave Brolley <brolley@redhat.com>
300
301 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
302 not set.
303 * reset.c (frv_hardware_reset): Invalidate both caches.
304 * registers.c: Update init, reset and read-only masks for all registers
305 on all machines.
306 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
307 (prev_gr_complex): New field of FRV_PROFILE_STATE
308 (set_use_is_gr_complex): New function.
309 (set_use_not_gr_complex): New function.
310 (use_is_gr_complex): New function.
311 (decrease_GR_busy): New function.
312 * profile.c (reset_gr_flags): New function.
313 (reset_cc_flags): New function.
314 (set_use_is_gr_complex): New function.
315 (set_use_not_gr_complex): New function.
316 (use_is_gr_complex): New function.
317 (update_latencies): Reset gr and cc flags when latency reaches 0.
318 (decrease_GR_busy): New function.
319 * profile-fr400.h (fr500_reset_acc_flags): Removed.
320 (fr500_reset_cc_flags): New function.
321 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
322 LSI version 1.41.
323 * profile-fr400.h (fr400_reset_gr_flags): New function.
324 (fr400_reset_fr_flags): New function.
325 (fr400_reset_acc_flags): New function.
326 * profile-fr400.c (set_use_not_media_p4): New function.
327 (set_use_not_media_p6): New function.
328 (set_acc_use_not_media_p2): New function.
329 (set_acc_use_not_media_p4): New function.
330 (fr400_reset_gr_flags): New function.
331 (fr400_reset_fr_flags): New function.
332 (fr400_reset_acc_flags): New function.
333 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
334 (frvbf_model_fr400_u_media_hilo): New function.
335 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
336 * memory.c (fr400_check_data_read_address): Check address range only
337 for double word loads. Don't check alignment here.
338 (fr400_check_readwrite_address): New function.
339 (fr500_check_readwrite_address): New function.
340 (check_readwrite_address): New function.
341 (fr500_check_insn_read_address): Correct address ranges.
342 (frvbf_read_mem_*): Check address range here.
343 (frv_address_forbidden): Removed.
344 (fr400_check_write_address): New function.
345 (check_write_address): New function.
346 (frvbf_write_mem_*): Don't check address range here.
347 (frvbf_mem_set_*): Check address range here.
348 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
349 address as second argument.
350 (frv_queue_data_access_exception_interrupt): New function.
351 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
352 media insns on fr400.
353 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
354 for media insns on fr400.
355 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
356 of insns here. Check for MTRAP insn if PSR.EM is not set.
357 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
358 set.
359 (set_exception_status_registers): Do not always set EPCR. Set EAR for
360 data_acess_error only if not fr400.
361 * frv.c (do_media_average): New function.
362 (frvbf_media_average): New function.
363 (frvbf_insn_cache_invalidate): Check for illegal invocation.
364 (frvbf_data_cache_invalidate): Ditto.
365 (frvbf_data_cache_flush): Ditto.
366 * frv-sim.h (GET_FSR_QNE): New macro.
367 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
368 (GET_MSR_SRDAV): New macro.
369 (GET_MSR_RDAV): New macro.
370 (GET_MSR_RD): New macro.
371 (frv_queue_data_access_error_interrupt): Now takes an address as second
372 argument.
373 (frv_address_forbidden): Removed.
374 * cache.c (non_cache_access): Correct address ranges. Now takes cache
375 as first argument.
376 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
377
3782001-08-20 Dave Brolley <brolley@redhat.com>
379
380 * sim-main.h (_sim_cpu): New field 'elf_flags'.
381 * sim-if.c (sim_open): Extract the elf_flags from the input file and
382 save them with each cpu.
383 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
384 last_insn_p before executing the insn.
385 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
386 insn cache.
387 (frv_cache_invalidate_all): Ditto.
388
3892001-08-20 Richard Sandiford <rsandifo@redhat.com>
390
391 * traps.c (syscall_read_mem): Flush the data cache before reading.
392 (syscall_write_mem): Flush the data cache before writing.
393 Invalidate both caches.
394
3952001-07-05 Ben Elliston <bje@redhat.com>
396
397 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
398 (stamp-cpu): Likewise.
399
4002001-05-23 Dave Brolley <brolley@redhat.com>
401
402 * profile-fr400.c (acc_use_is_media_p2): New function.
403 (frvbf_model_fr400_u_media_2): Account for latency of output
404 accumulators.
405 (frvbf_model_fr400_u_media_2_quad): Ditto.
406 (frvbf_model_fr400_u_media_2_acc): New function.
407 (frvbf_model_fr400_u_media_2_acc_dual): New function.
408 (frvbf_model_fr400_u_media_2_add_sub): New function.
409 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
410 (frvbf_model_fr400_u_media_3_dual): New function.
411 (frvbf_model_fr400_u_media_4_acc_dual): New function.
412 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
413
4142001-05-15 Dave Brolley <brolley@redhat.com>
415
416 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
417 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
418 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
419 (request_cache_flush): Save 'all' argument.
420 (request_cache_invalidate): Save all_cache_entries from profile state
421 to 'all' field of the request.
422 (submit_cache_request): Pass the 'all' field of the request to
423 frv_cache_request_invalidate.
424 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
425 operation even if HSR0.ICE is not set.
426 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
427 operation even if HSR0.DCE is not set.
428 (frv_data_cache_flush): Ditto.
429 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
430 (frv_data_cache_invalidate): Add new 'all' parameter.
431 (frv_data_cache_flush): Add new 'all' parameter.
432 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
433 (frv_cache_request_invalidate): Add new 'all' parameter.
434 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
435 its value in the invalidate request.
436 (address_interference): Accept the value '-1' for the address argument
437 to mean 'any address'.
438 (handle_req_invalidate): Handle request to invalidate all cache lines.
439 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
440
4412001-05-14 Dave Brolley <brolley@redhat.com>
442
443 * profile.h (past_first_p): New field of profiling state.
444 (branch_penalty): Ditto.
445 (branch_hint): Ditto.
446 (update_branch_penalty): New function.
447 * profile.c (frvbf_model_insn_after): Reset past_first_p and
448 branch_address fields of the profiling state.
449 (frvbf_model_branch): New function.
450 (update_branch_penalty): New function.
451 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
452 FCCi_3 inputs.
453 (frvbf_model_fr500_u_trap): New function.
454 (frvbf_model_fr500_u_check): New function.
455 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
456 cycles.
457 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
458 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
459 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
460 documented in teh fr400 LSI.
461 (frvbf_model_fr400_u_media_dual_htob): Ditto.
462 (frvbf_model_fr400_u_media_dual_unpack): Removed.
463 (frvbf_model_fr500_u_trap): New function.
464 (frvbf_model_fr500_u_check): New function.
465 * mloop.in (simulate_dual_insn_prefetch): New function.
466 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
467 arguments for each machine type.
468 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
469
4702001-05-09 Dave Brolley <brolley@redhat.com>
471
472 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
473 (profile-fr400.o): New target.
474 * profile.c: New file.
475 * profile.h: New file.
476 * profile-fr400.c: New file.
477 * profile-fr400.h: New file.
478 * profile-fr500.c: New file.
479 * profile-fr500.h: New file.
480 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
481
4822001-05-02 Dave Brolley <brolley@redhat.com>
483
484 * sim-main.h (profile.h): #include it.
485 (CPU_PROFILE_STATE): New macro.
486 (profile_state): New frv specific cpu field.
487 * reset.c (frv_initialize): insn_fetch_address and branch_address now
488 part of global profiling state.
489 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
490 (SIM_EXTRA_DEPS): Add profile.h.
491 (registers.o): Correct name of source file.
492 (profile.o): New target.
493 (profile-fr500.o): New target.
494 * frv-sim.h: Move profile related data structures to profile.h.
495 * frv.c: Move fr500 specific functions to profile-fr500.c.
496 * cpu.h: Regenerated.
497
4982001-04-27 Dave Brolley <brolley@redhat.com>
499
500 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
501 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
502 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
503 Rename PIPE_* to UNIT_*.
504 (frv_queue_illegal_instruction_interrupt): Use
505 frv_is_float_insn and frv_is_media_insn.
506 (frv_queue_non_implemented_instruction_interrupt): Ditto.
507 (frv_detect_insn_access_interrupts): Ditto.
508 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
509 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
510 * memory.c: Ditto.
511 * pipeline.c: Ditto.
512 * mloop.in: Ditto.
513 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
514 * cache.c: Rename PIPE_* to UNIT_*.
515
5162001-04-24 Dave Brolley <brolley@redhat.com>
517
518 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
519 (frvbf_load_quad_FRint): Ditto.
520 (frvbf_load_quad_CPR): Ditto.
521 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
522 machines.
523 (bfd.h): #include it.
524 (non_cache_access): Update for revised fr500 and for fr400.
525 * registers.c (frv_spr): Don't reset PSR.PS.
526 (fr500_spr): Ditto.
527 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
528
5292001-04-23 Dave Brolley <brolley@redhat.com>
530
531 * traps.c (frv_core_signal): On fr400, generate data_access_error.
532 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
533 (frvbf_media_acc_not_aligned): Ditto.
534 (frvbf_media_register_not_aligned): Ditto.
535 (frvbf_division_exception): Use GET_ISR_EDE.
536 * registers.c (frv_check_spr_read_access): New function.
537 (frv_check_spr_write_access): New function.
538 (frv_check_spr_access): Deleted.
539 (frv_check_register_access): On fr400, generate illegal_instruction.
540 * memory.c (fr400_check_data_read_address): New function.
541 (fr500_check_data_read_address): Ditto.
542 (check_data_read_address): Ditto.
543 (fr400_check_insn_read_address): Ditto.
544 (fr500_check_insn_read_address): Ditto.
545 (check_insn_read_address): Ditto.
546 (frvbf_read_mem_QI): Call check_data_read_access.
547 (frvbf_read_mem_UQI): Ditto.
548 (frvbf_read_mem_HI): Ditto.
549 (frvbf_read_mem_UHI): Ditto.
550 (frvbf_read_mem_SI): Ditto.
551 (frvbf_read_mem_DI): Ditto.
552 (frvbf_read_mem_DF): Ditto.
553 (frvbf_read_imem_USI): Call check_insn_read_access.
554 (frv_address_forbidden): Now takes cpu as first argument. Check based
555 on machine type.
556 (fr400_mem_address_unaligned): New function.
557 (fr500_mem_address_unaligned): Ditto.
558 (check_write_address): Ditto.
559 (frvbf_mem_set_QI): Call check_write_address.
560 (frvbf_mem_set_HI): Ditto.
561 (frvbf_mem_set_SI): Ditto.
562 (frvbf_mem_set_DI): Ditto.
563 (frvbf_mem_set_DF): Ditto.
564 (frvbf_mem_set_XI): Ditto.
565 * interrupts.c (bfd.h): #include it.
566 (frv_queue_data_access_error_interrupt): New function.
567 (frv_queue_instruction_access_error_interrupt): New function.
568 (frv_queue_instruction_access_exception_interrupt): New function.
569 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
570 (frv_queue_non_implemented_instruction_interrupt): Ditto.
571 (frv_detect_insn_access_interrupts): Reorder tests to match priority
572 from the LSI manual.
573 (set_isr_exception_fields): Accumulate dtt bits.
574 * frv.c (check_register_alignment): New function.
575 (check_fr_register_alignment): New function.
576 (check_memory_alignment): New function.
577 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
578 (frvbf_h_gr_double_set_handler): Ditto.
579 (frvbf_h_cpr_double_get_handler): Ditto.
580 (frvbf_h_cpr_double_set_handler): Ditto.
581 (frvbf_h_gr_quad_set_handler): Ditto.
582 (frvbf_h_cpr_quad_set_handler): Ditto.
583 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
584 (frvbf_h_fr_double_set_handler): Ditto.
585 (frvbf_h_fr_quad_set_handler): Ditto.
586 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
587 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
588 (frvbf_load_quad_GR): Call check_memory_aligment.
589 (frvbf_load_quad_FRint): Ditto.
590 (frvbf_load_quad_CPR): Ditto.
591 (frvbf_store_quad_GR): Call check_memory_aligment and
592 check_register_alignment.
593 (frvbf_store_quad_FRint): Ditto.
594 (frvbf_store_quad_CPR): Ditto.
595 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
596 * frv-sim.h (H_SPR_ACC0): New macro.
597 (H_SPR_ACC63): New macro.
598 (H_SPR_ACCG0): New macro.
599 (H_SPR_ACCG63): New macro.
600 (frv_dtt): New enumerator.
601 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
602 (GET_ISR_DTT): New macro.
603 (frv_queue_data_access_error_interrupt): New function.
604 (frv_queue_instruction_access_error_interrupt): New function.
605 (frv_queue_instruction_access_exception_interrupt): New function.
606 (frv_address_forbidden): Now takes cpu as first argument.
607 * cpu.h: Regenerate.
608
6092001-04-10 Dave Brolley <brolley@redhat.com>
610
611 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
612 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
613 (fr400_spr): Implement SPR registers for fr400.
614 (frv_register_control_init): Handle bfd_mach_fr400 properly.
615 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
616 (spr_psr_get_handler): Ditto.
617 (spr_ccr_get_handler): Ditto.
618 (spr_cccr_get_handler): Ditto.
619 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
620 * frv-sim.h: Update comment about MCCR_* macros.
621 * cpu.c,cpu.h: Regenerate.
622
6232001-04-05 Dave Brolley <brolley@redhat.com>
624
625 * cpu.h,decode.c,model.c,sem.c: Regenerate.
626
6272001-04-05 Dave Brolley <brolley@redhat.com>
628
629 * reset.c: Update copyright.
630 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
631 * frv.c (frvbf_model_fr400_u_exec): New function.
632 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
633 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
634 Regenerate.
635
6362000-11-22 Dave Brolley <brolley@redhat.com>
637
638 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
639 Regenerate.
640
6412000-11-10 Dave Brolley <brolley@redhat.com>
642
643 * decode.c: Regenerate.
644
6452000-09-12 Dave Brolley <brolley@redhat.com>
646
647 * traps.c (frv_sim_engine_halt_hook): New function.
648 (frv_itrap): Caches now invalidated in sim_engine_halt via
649 SIM_ENGINE_HALT_HOOK.
650 (frv_break): Ditto.
651 * sim-main.h (frv_sim_engine_halt_hook): New function.
652 (SIM_ENGINE_HALT_HOOK): New macro.
653 (SIM_ENGINE_RESTART_HOOK): New macro.
654 * interrupts.c: Call to frv_term now done within sim_engine_halt via
655 SIM_ENGINE_HALT_HOOK.
656
6572000-09-08 Dave Brolley <brolley@redhat.com>
658
659 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
660 respectively when stopping for a breakpoint.
661 (frv_break): Ditto.
662 * cache.h (frv_cache_invalidate_all): New function.
663 * cache.c (frv_cache_invalidate_all): New function.
664
6652000-09-05 Dave Brolley <brolley@redhat.com>
666
667 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
668 sim_handle_breakpoint. Otherwise if environment != operating call
669 sim_engine_halt. Otherwise handle normally.
670 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
671 breakpoints here. Moved to frv_break in traps.c.
672
673 * sem.c: Regenerate.
674
6752000-09-01 Dave Brolley <brolley@redhat.com>
676
677 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
678 before queuing an interrupt in order to allow 'break' to be used as
679 the breakpoint insn.
680
6812000-08-29 Dave Brolley <brolley@redhat.com>
682
683 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
684
6852000-07-27 Dave Brolley <brolley@redhat.com>
686
687 * cpu.h,decode.c: Rebuild.
688
6892000-07-26 Dave Brolley <brolley@redhat.com>
690
691 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
692 (spr_cccr_set_handler): Change CRx to CCx.
693 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
694
6952000-07-24 Dave Brolley <brolley@redhat.com>
696
697 * sem.c: Regenerate.
698 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
699 Don't write it directly.
700
701Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
702
703 * configure: Regenerated to track ../common/aclocal.m4 changes.
704
7052000-07-05 Ben Elliston <bje@redhat.com>
706
707 * configure: Regenerated to track ../common/aclocal.m4 changes.
708
7092000-06-28 Dave Brolley <brolley@redhat.com>
710
711 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
712
7132000-06-21 Dave Brolley <brolley@redhat.com>
714
715 * pipeline.c: All code except frv_pipeline_setup_insn moved to
716 frv.opc.
717 * mloop.in (main loop): frv_pipeline_add_insn broken up into
718 frv_pipeline_add_insn and frv_pipeline_setup_insn.
719 * frv-sim.h: Move pipeline status code to frv.opc.
720 * model.c: Regenerate.
721
7222000-06-12 Dave Brolley <brolley@redhat.com>
723
724 * options.c (frv_option_handler): --profile-parallel implies
725 --profile-model.
726 * mloop.in (fetch_buffer): Removed.
727 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
728 run_caches. Use cache directly if not counting cycles. Don't use
729 cache at all if not counting cycles and cache not enabled.
730 * frv.c (frv_insn_fetch_buffer): New global variable.
731 (run_caches): Monitor the status of insn prefetch requests.
732 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
733 (frv_insn_fetch_buffer): New global variable.
734
7352000-06-12 Dave Brolley <brolley@redhat.com>
736
737 * mloop.in (fetch_buffer): New static struct.
738 (@cpu@_simulate_insn_prefetch): Rewritten.
739 * cache.c (frv_cache_request_invalidate): Don't invalidate return
740 buffer.
741 (address_interference): Defer to any WAR request in either pipeline.
742
7432000-06-09 Dave Brolley <brolley@redhat.com>
744
745 * pipeline.c (insns_in_slot): New Array.
746 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
747 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
748 option.
749 (parse_cache_option): New function.
750 (frv_option_handler): Call parse_cache_option.
751 * frv.c (vliw_branch_taken): New variable.
752 (vliw_load_stall): New variable.
753 (handle_resource_wait): Update vliw_load_stall.
754 (frvbf_model_insn_before): Initialize vliw_branch_taken and
755 vliw_load_stall.
756 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
757 (load_wait_for_FR): Update vliw_load_stall.
758 (load_wait_for_GR): Update vliw_load_stall.
759 (load_wait_for_FRdouble): Update vliw_load_stall.
760 (load_wait_for_GRdouble): Update vliw_load_stall.
761 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
762 (slot_names): New static array.
763 (print_parallel): Now takes second argument 'verbose'. Print cycles per
764 VLIW insn and instructions per cycle. Also tabulate the number of insns
765 in each type of VLIW slot.
766 (frv_profile_info): Call print_parallel with new second argument.
767 * frv-sim.h (insn_in_slot): New array.
768 (COUNT_INSNS_IN_SLOT): New macro.
769 (INSNS_IN_SLOT): New macro.
770 * cache.c: Remove references to non_blocking_count. Remove references to
771 last_was_hit. Remove references to req_none.
772 (handle_req_store): Adjust statistics before requeuing the store
773 request.
774 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
775 * cache.h: Remove references to non_blocking_count. Remove references to
776 last_was_hit. Remove references to req_none.
777 * model.c: Regenerate.
778
7792000-06-08 Dave Brolley <brolley@redhat.com>
780
781 * frv.c (request_complete): Copy load data from the correct return
782 buffer.
783
7842000-06-07 Dave Brolley <brolley@redhat.com>
785
786 * traps.c (frv_core_signal): Call frv_term before exiting.
787 (frv_itrap): Call frv_term before exiting.
788 (next_available_nesr): Make sure NECR is implemented before reading it.
789 (next_valid_nesr): Ditto.
790 (frvbf_check_non_excepting_load): Ditto.
791 (frvbf_clear_ne_flags): Ditto.
792 (frvbf_commit): Ditto.
793 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
794 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
795 store_flag members.
796 (CPU_LOAD_ADDRESS): New macro.
797 (CPU_LOAD_LENGTH): New macro.
798 (CPU_LOAD_SIGNED): New macro.
799 (CPU_LOAD_LOCK): New macro.
800 * reset.c (frv_term): New function.
801 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
802 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
803 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
804 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
805 the insn. Model the insn in two passes. One before and one after
806 execution.
807 (cache_reqno): new static variable.
808 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
809 cache rather than assuming a fixed latency.
810 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
811 enabled so that modeling data is collected by cgen during execution.
812 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
813 * memory.c (data_non_cache_access): Removed.
814 (insn_non_cache_access): Removed.
815 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
816 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
817 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
818 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
819 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
820 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
821 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
822 (frvbf_read_imem_USI): Read the cache or ememory passively.
823 (frvbf_write_mem_QI): Don't check for non-cache access here.
824 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
825 (frvbf_write_mem_HI): Don't check for non-cache access here.
826 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
827 (frvbf_write_mem_SI): Don't check for non-cache access here.
828 (frvbf_write_mem_DI): Don't check for non-cache access here.
829 (frvbf_write_mem_DF): Don't check for non-cache access here.
830 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
831 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
832 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
833 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
834 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
835 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
836 * interrupts.c (check_reset): Read the cache and memory passively.
837 (frv_program_or_software_interrupt): Call frv_term before calling
838 sim_engine_halt.
839 * frv.c (all modeling functions): Break into two passes. One before
840 execuetion and one after. call load_wait_for_* for all GR and FR
841 registers.
842 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
843 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
844 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
845 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
846 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
847 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
848 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
849 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
850 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
851 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
852 (model_insn): New global variable.
853 (fr_ptime): New array.
854 (cache_request): New enumeration.
855 (CACHE_QUEUE_ELEMENT): New struct type.
856 (CACHE_QUEUE_SIZE): New macro.
857 (cache_queue): New static struct.
858 (request_cache_load): New function.
859 (request_cache_flush): New function.
860 (request_cache_invalidate): New function.
861 (request_cache_preload): New function.
862 (request_cache_unlock): New function.
863 (submit_cache_request): New function.
864 (activate_cache_requests): New function.
865 (load_pending_for_register): New function.
866 (flush_pending_for_address): New function.
867 (remove_cache_queue_element): New function.
868 (copy_load_data): New function.
869 (request_complete): New function.
870 (run_caches): New function.
871 (frv_model_trace_wait_cycles): New function.
872 (wait_for_flush): New function.
873 (frvbf_model_insn_before): Insn prefect wait now modeled in
874 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
875 wait_for_flush.
876 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
877 vliw_insns here anymore.
878 (update_FR_latency_for_load): New function.
879 (update_FRdouble_latency_for_load): New function.
880 (update_FR_ptime): New function.
881 (update_FRdouble_ptime): New function.
882 (update_GR_latency_for_swap): New function.
883 (load_wait_for_GR): New function.
884 (load_wait_for_FR): New function.
885 (load_wait_for_GRdouble): New function.
886 (load_wait_for_FRdouble): New function.
887 (frvbf_model_fr500_u_ici): New function.
888 (frvbf_model_fr500_u_dci): New function.
889 (frvbf_model_fr500_u_dcf): New function.
890 (frvbf_model_fr500_u_icpl): New function.
891 (frvbf_model_fr500_u_dcpl): New function.
892 (frvbf_model_fr500_u_icul): New function.
893 (frvbf_model_fr500_u_dcul): New function.
894 * frv-sim.h (frv_term): New function.
895 (insn_non_cache_access): Removed.
896 (FRV_COUNT_CYCLES): New macro.
897 (frv_save_peofile_model_p): New global variable.
898 (model_insn): New enumerated global variable.
899 (frv_model_advance_cycles): New function.
900 (frv_model_trace_wait_cycles): New function.
901 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
902 (FRV_CACHE_WAR_REQUEST): New struct type.
903 (FRV_CACHE_STORE_REQUEST): New struct type.
904 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
905 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
906 (FRV_CACHE_REQUEST): New struct type.
907 (FRV_CACHE_RETURN_BUFFER): New struct type.
908 (FRV_CACHE_FLUSH_STATUS): New struct type.
909 (FRV_CACHE_STATUS): New struct type.
910 (FRV_CACHE_STAGE): New struct type.
911 (FRV_CACHE_STAGES): New enumeration.
912 (FRV_CACHE_WAR): New struct type.
913 (FRV_CACHE_PIPELINE): New struct type.
914 (FRV_CACHE_ARS): New struct type.
915 (FRV_CACHE_STATISTICS): New struct type.
916 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
917 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
918 (CACHE_RETURN_DATA_ADDRESS): New macro.
919 (frv_cache_read): Now takes pipe index as second argument.
920 (frv_cache_enabled): New function.
921 (frv_cache_request_load): New function.
922 (frv_cache_request_store): New function.
923 (frv_cache_request_invalidate): New function.
924 (frv_cache_request_preload): New function.
925 (frv_cache_request_unlock): New function.
926 (frv_cache_run): New function.
927 (frv_cache_read_passive_SI): New function.
928 (frv_cache_data_in_buffer): New function.
929 (frv_cache_data_flushed): New function.
930 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
931 (frv_cache_enabled): New function.
932 (non_cache_access): New function.
933 (write_data_to_memory): Count write accesses for each mode. Write to
934 memory using sim_core_write_unaligned_1;
935 (read_data_from_memory): New function.
936 (fill_line_from_memory): Use read_data_from_memory.
937 (copy_line_to_return_buffer): New function.
938 (copy_memory_to_return_buffer): New function.
939 (set_return_buffer_reqno): New function.
940 (frv_cache_read): Now takes pipe index as second argument. Check for
941 non-cache access.
942 (frv_cache_preload): Check for non-cache access.
943 (frv_cache_unlock): Check for non-cache access.
944 (invalidate_return_buffer): New function.
945 (frv_cache_invalidate): Check for non-cache access.
946 (convert_slot_to_index): New function.
947 (FREE_CHAIN_SIZE): New macro.
948 (frv_cache_request_free_chain): New static variable.
949 (frv_store_request_free_chain): New static variable.
950 (allocate_new_cache_requests): New function.
951 (new_cache_request): New function.
952 (free_cache_request): New function.
953 (new_store_request): New function.
954 (pipeline_remove_request): New function.
955 (pipeline_add_request): New function.
956 (pipeline_requeue_request): New function.
957 (next_priority): New function.
958 (add_WAR_request): New function.
959 (pipeline_next_request): New function.
960 (pipeline_stage_request): New function.
961 (advance_pipelines): New function.
962 (frv_cache_request_load): New function.
963 (frv_cache_request_store): New function.
964 (frv_cache_request_invalidate): New function.
965 (frv_cache_request_preload): New function.
966 (frv_cache_request_unlock): New function.
967 (address_interference): New function.
968 (wait_for_WAR): New function.
969 (wait_in_WAR): New function.
970 (handle_req_load): New function.
971 (handle_req_preload): New function.
972 (handle_req_store): New function.
973 (handle_req_invalidate): New function.
974 (handle_req_unlock): New function.
975 (handle_req_WAR): New function.
976 (arbitrate_requests): New function.
977 (move_ARS_to_WAR): New function.
978 (decrease_latencies): New function.
979 (frv_cache_run): New function.
980 (frv_cache_read_passive_SI): New function.
981 (frv_cache_data_in_buffer): New function.
982 (frv_cache_data_flushed): New function.
983 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
984
985Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
986
987 * configure: Regenerated to track ../common/aclocal.m4 changes.
988
9892000-05-19 Dave Brolley <brolley@redhat.com>
990
991 * traps.c (frv_rett): Check for exceptions in the order specified in the
992 architecture spec. Allow privileged_instruction interrrupt to be handled
993 normally.
994 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
995 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
996 to clear the NE flag.
997 (frvbf_model_tomcat_u_exec): New function.
998 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
999 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
1000 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
1001
10022000-05-18 Dave Brolley <brolley@redhat.com>
1003
1004 * sim-if.c (elf-bfd.h): #include it.
1005 (sim_open): Set machine amd architecture based on elf flags.
1006
10072000-04-04 Dave Brolley <brolley@redhat.com>
1008
1009 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
1010 Delete '#if 0' blocks.
1011 * frv.c: Delete '#if 0' blocks.
1012 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
1013 PSR.S and PSR.ESR.
1014 (frv_h_psr_esr_set_handler): Removed.
1015 * interrupts.c: Delete '#if 0' blocks.
1016 * memory.c: Delete '#if 0' blocks.
1017 * cpu.c,cpu.h: Regenerate.
1018
10192000-04-03 Dave Brolley <brolley@redhat.com>
1020
1021 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
1022 containing the target address.
1023 (clear_nesr_neear): No longer takes hi_available and lo_available.
1024 Remove bogus check for available GR registers.
1025 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
1026 (frvbf_commit): Update call to clear_nesr_neear.
1027 * interrupts.c (next_available_esr): Removed.
1028 (next_available_edr): Removed.
1029 (next_available_fq): Removed.
1030 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
1031 (frvbf_store_register): Remove "FIXME" comment.
1032 * frv-sim.h (UART_INCHAR_ADDR): Removed.
1033 (UART_OUTCHAR_ADDR): Removed.
1034 (UART_STATUS_ADDR): Removed.
1035 (UART_INPUT_READY): Removed.
1036 (UART_OUTPUT_READY): Removed.
1037 (FRV_DEVICE_ADDR): Removed.
1038 (FRV_DEVICE_LEN): Removed.
1039 (SET_NESR): Call frvbf_force_update.
1040 (SET_NEEAR): Call frvbf_force_update.
1041 (SET_NE_FLAGS): Call frvbf_force_update.
1042
10432000-03-30 Dave Brolley <brolley@redhat.com>
1044
1045 * configure: Regenerated.
1046
10472000-03-30 Dave Brolley <brolley@redhat.com>
1048
1049 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1050 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1051 performing the write.
1052 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1053 queue element with the information in the interrupt state.
1054 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1055 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1056 (frv_set_interrupt_queue_slot): New function.
1057 (esr_for_data_access_exception): New function.
1058 (set_edr_register): edr_index is now passed in.
1059 (fq_for_exception): New function.
1060 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1061 element now passed in.
1062 (set_exception_status_registers): Obtain slot from interrupt queue
1063 element. Call esr_for_data_access_exception. Use ESR14
1064 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1065 (frv_save_data_written_for_interrupts): Save slot containing the insn
1066 performing the write.
1067 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1068 frv_fsr_ftt.
1069 (struct frv_interrupt_state): Add 'slot' field.
1070 (frv_set_interrupt_queue_slot): New function.
1071 (frv_set_write_queue_slot): New function.
1072
10732000-03-24 Dave Brolley <brolley@redhat.com>
1074
1075 * mloop.in (_parallel_write_init): Initialize
1076 frv_interrupt_state.imprecise_interrupt.
1077 (_parallel_write_queued): After an imprecise interrupt, only perform
1078 forced writes and floating point writes (for certain exceptions).
1079 * interrupts.c (handle_interrupt): Set
1080 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1081 interrupt.
1082 (frv_process_interrupts): No need to clear f_ne_flags.
1083 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1084 force them to happen even if there is an overflow exception.
1085 (frvbf_force_update): New function.
1086 * frv-sim.h (frvbf_force_update): New function.
1087 (struct frv_interrupt_state): Add imprecise_interrupt.
1088 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1089 * sem.c: Regenerate.
1090
10912000-03-23 Dave Brolley <brolley@redhat.com>
1092
1093 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1094 * registers.c (frv_spr): MCIRL -> MCILR.
1095 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1096 New function.
1097 (frv_detect_insn_access_interrupts):
1098 Call frv_queue_non_implemented_instruction_interrupt.
1099 (frv_process_interrupts): Clear accumulated NE flags.
1100 * frv.c (frvbf_media_cop): New function.
1101 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1102 the NE flag of the given target register.
1103 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1104 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1105 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1106 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1107 (frvbf_model_fr500_u_float_dual_convert): New function.
1108 * frv-sim.h (frvbf_media_cop): New function.
1109 (GET_FQ): Use H_SPR_FQST0.
1110 (SET_FQ): Use H_SPR_FQST0.
1111 (SET_FQ_OPC): Use J_SPR_FQOP0.
1112 (GET_MSR_EMCI): New macro.
1113 (frv_queue_non_implemented_instruction_interrupt): New function.
1114 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1115
11162000-03-08 Dave Brolley <brolley@redhat.com>
1117
1118 * traps.c (frv_rett): Align new_pc.
1119 * memory.c (frvbf_read_mem_HI): Align address.
1120 (frvbf_read_mem_UHI): Align address.
1121 (frvbf_read_mem_SI): Align address.
1122 (frvbf_read_mem_DI): Align address.
1123 (frvbf_read_mem_DF): Align address.
1124 (frvbf_read_imem_USI): Align address.
1125 (frvbf_mem_set_HI): Align address.
1126 (frvbf_mem_set_SI): Align address.
1127 (frvbf_mem_set_DI): Align address.
1128 (frvbf_mem_set_DF): Align address.
1129 (frvbf_mem_set_XI): Align address.
1130 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1131 (fr500_spr): Initialize FSR0.NS to 1.
1132 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1133 whether the exception is masked.
1134 * frv.c (frvbf_load_quad_GR): Align address.
1135 (frvbf_store_quad_GR): Align address.
1136 (frvbf_load_quad_FRint): Align address.
1137 (frvbf_store_quad_FRint): Align address.
1138 (frvbf_load_quad_CPR): Align address.
1139 (frvbf_store_quad_CPR): Align address.
1140 * frv-sim.h (GET_ISR_EMAM): New macro.
1141
11422000-03-08 Dave Brolley <brolley@redhat.com>
1143
1144 * traps.c (frvbf_division_exception): Check for masked overflow and
1145 set NE flags, if necessary.
1146 (frvbf_check_recovering_store): Queue writes to the hardware.
1147 (check_registers_available): Removed.
1148 (which_registers_available): Call frv_{fr,gr}_registers_available.
1149 (frvbf_clear_ne_flags): Call check_register_access.
1150 (frvbf_commit): Call check_register_access.
1151 * registers.h (frv_fr_registers_available): New function.
1152 (frv_gr_registers_available): New function.
1153 (frv_check_register_access): New function.
1154 (frv_check_gr_access): New function.
1155 (frv_check_fr_access): New function.
1156 * registers.c (frv_spr): Correct initial value of ISR.
1157 (fr500_spr): Correct initial value of ISR.
1158 (frv_fr_registers_available): New function.
1159 (frv_gr_registers_available): New function.
1160 (frv_check_register_access): New function.
1161 (frv_check_gr_access): New function.
1162 (frv_check_fr_access): New function.
1163 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1164 (set_isr_exception_fields): New function.
1165 (set_exception_status_registers): Set ISR fields for division exception.
1166 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1167 * frv.c (frvbf_h_gr_get_handler): New function.
1168 (frvbf_h_gr_set_handler): New function.
1169 (frvbf_h_fr_get_handler): New function.
1170 (frvbf_h_fr_set_handler): New function.
1171 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1172 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1173 (spr_isr_get_handler): Removed.
1174 (spr_isr_set_handler): Removed.
1175 (frvbf_signed_integer_divide): New funciton.
1176 (frvbf_unsigned_integer_divide): New funciton.
1177 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1178 (frvbf_h_gr_set_handler): New function.
1179 (frvbf_h_fr_get_handler): New function.
1180 (frvbf_h_fr_set_handler): New function.
1181 (frvbf_signed_integer_divide): New funciton.
1182 (frvbf_unsigned_integer_divide): New funciton.
1183 (frv_dtt): New enumeration.
1184 (struct frv_interrupt_queue_element): Add dtt member.
1185 (GET_ISR): New macro.
1186 (SET_ISR): New macro.
1187 (GET_ISR_EDEM): New macro.
1188 (SET_ISR_DTT): New macro.
1189 (SET_ISR_AEXC): New macro.
1190 (frvbf_division_exception): Add 2 'int' arguments.
1191 (frvbf_check_non_excepting_divide): Removed.
1192 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1193
11942000-02-29 Dave Brolley <brolley@redhat.com>
1195
1196 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1197 (frv_rett): Use hardware access macros. Write PSR as a whole.
1198 (next_available_nesr): Check that NECR is valid.
1199 (next_valid_nesr): Check that NECR is valid.
1200 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1201 call hardware access functions. Use cover macros.
1202 (check_registers_available): New function.
1203 (clear_nesr_near): Check register availability.
1204 (clear_ne_flags): Check register availability.
1205 (frvbf_clear_ne_flags): Check register availability.
1206 (frvbf_commit): Check register availability.
1207 (which_registers_available): New function.
1208 * sim-main.h (registers.h): #include it.
1209 (register_control): New cpu field.
1210 (CPU_REGISTER_CONTROL): New macro.
1211 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1212 (frv_power_on_reset): Initialize SPR registers and RSTR.
1213 (frv_hardware_reset): Initialize SPR registers and RSTR.
1214 (frv_software_reset): Reset SPR registers and RSTR.
1215 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1216 Call frv_cache_init.
1217 * mloop.in (main loop): Check for insn access interrupts before
1218 executing the insn.
1219 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1220 (frv_detect_insn_access_interrupts): Don't call hardware access
1221 functions directly. Use cover macros.
1222 (check_reset): Don't reset RSTR here.
1223 (next_available_esr): ESFR -> ESFR_FLAG.
1224 (next_available_edr): ESFR -> ESFR_FLAG.
1225 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1226 ESFR -> ESFR_FLAG.
1227 (frv_break_interrupt): Don't call hardware access functions directly.
1228 Use cover macros.
1229 (frv_program_or_software_interrupt): Ditto.
1230 (frv_external_interrupt): Ditto.
1231 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1232 (frvbf_store_register): Don't call 'set' functions directly.
1233 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1234 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1235 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1236 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1237 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1238 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1239 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1240 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1241 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1242 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1243 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1244 Support shadow registers.
1245 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1246 Support shadow registers.
1247 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1248 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1249 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1250 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1251 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1252 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1253 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1254 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1255 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1256 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1257 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1258 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1259 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1260 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1261 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1262 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1263 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1264 version 1.3a.
1265 (spr_ccr_get_handler): Don't reference the hardware directly.
1266 (spr_ccr_set_handler): Don't reference the hardware directly.
1267 (spr_cccr_get_handler): Don't reference the hardware directly.
1268 (spr_cccr_set_handler): Don't reference the hardware directly.
1269 (spr_sr_get_handler): New function.
1270 (spr_sr_set_handler): New function.
1271 (frvbf_switch_supervisor_user_context): Temporarily switch to
1272 supervisor mode.
1273 (frvbf_store_quad_GR): Don't call handler directly.
1274 (frvbf_store_quad_FRint): Don't call handler directly.
1275 (frvbf_store_quad_CPR): Don't call handler directly.
1276 (frvbf_clear_all_accumulators): Removed.
1277 (frvbf_clear_accumulators): New function.
1278 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1279 Account for in_ACCGi and out_ACCGk.
1280 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1281 (RSTR_SOFTWARE_RESET): New macro.
1282 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1283 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1284 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1285 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1286 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1287 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1288 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1289 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1290 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1291 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1292 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1293 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1294 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1295 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1296 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1297 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1298 (frvbf_clear_all_accumulators): Removed.
1299 (frvbf_clear_accumulators): New function.
1300 (GET_HSR0): Use GET_H_SPR.
1301 (SET_HSR0): Use SET_H_SPR.
1302 (CLEAR_HSR0_ICE): New macro.
1303 (CLEAR_HSR0_DCE): New macro.
1304 (GET_IHSR8): Use GET_H_SPR.
1305 (GET_PSR): New macro.
1306 (SET_PSR_ET): New macro.
1307 (GET_PSR_PS): New macro.
1308 (SET_PSR_S): New macro.
1309 (GET_ESFR): Changed to reference entire register.
1310 (SET_ESFR): Changed to reference entire register.
1311 (GET_ESFR_FLAG): New macro.
1312 (SET_ESFR_FLAG): New macro.
1313 (NECR_ELOS): Removed.
1314 (NECR_NEN): Removed.
1315 (NECR_VALID): Removed.
1316 (GET_NECR): New macro.
1317 (GET_NECR_ELOS): New macro.
1318 (GET_NECR_NEN): New macro.
1319 (GET_NECR_VALID): New macro.
1320 (NESR_RANGE): Removed.
1321 (GET_NESR): Use GET_H_SPR.
1322 (GET_NE_FLAGS): Use GET_H_SPR.
1323 * cache.h (CACHE_INITIALIZED): New macro.
1324 * Makefile.in (SIM_OBJS): Add registers.o.
1325 (SIM_EXTRA_DEPS): Add registers.h.
1326 (registers.o): New target.
1327 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1328
13292000-02-17 Dave Brolley <brolley@redhat.com>
1330
1331 * interrupts.c (frv_interrupt_table): Update priority order and handler
1332 offsets to conform to the architecture version 1.3a.
1333 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1334 to the architecture version 1.3a.
1335
13362000-02-17 Dave Brolley <brolley@redhat.com>
1337
1338 * interrupts.c (frv_interrupt_table): Update priority order and handler
1339 offsets to conform to the latest specifications.
1340 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1341 queued. New variable 'iclass' used to test for external interrupts.
1342 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1343 to the latest specifications.
1344
13452000-01-20 Dave Brolley <brolley@redhat.com>
1346
1347 * sim-if.c (sim_open): Move frv-specific initialization to
1348 frv_initialize in reset.c.
1349 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1350 status bits for hardware vs software reset.
1351 * reset.c: New file.
1352 * frv-sim.h (frv_initialize): New function.
1353 (frv_power_on_reset): New function.
1354 (frv_hardware_reset): New function.
1355 (frv_software_reset): New function.
1356 (RSTR_ADDRESS): New macro.
1357 (RSTR_INITIAL_VALUE): New macro.
1358 (GET_RSTR_HR): New macro.
1359 (GET_RSTR_SR): New macro.
1360 (SET_RSTR_H): New macro.
1361 (SET_RSTR_S): New macro.
1362 (CLEAR_RSTR_P): New macro.
1363 (CLEAR_RSTR_H): New macro.
1364 (CLEAR_RSTR_S): New macro.
1365 (CLEAR_RSTR_HR): New macro.
1366 (CLEAR_RSTR_SR): New macro.
1367
13682000-01-03 Dave Brolley <brolley@cygnus.com>
1369
1370 * mloop.in (execute): Only call modeling function if the pointer is not
1371 NULL.
1372 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1373 fr500.
1374
13752000-01-03 Dave Brolley <brolley@cygnus.com>
1376
1377 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1378 (frv_options): Add --memory-latency.
1379 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1380 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1381 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1382 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1383 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1384 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1385 (update_latencies): Only clear usage flags if the register has no
1386 target latency.
1387 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1388 not |= (or assgnment).
1389 (frvbf_model_insn_after): Print post processing wait for all insns.
1390 Update prev_acc_p1 and prev_acc_p2.
1391 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1392 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1393 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1394 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1395 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1396 (frvbf_model_fr500_u_media_quad_arith): New function.
1397 (frvbf_model_fr500_u_media_dual_mul): New function.
1398 (frvbf_model_fr500_u_media_quad_mul): New function.
1399 (frvbf_model_fr500_u_media_quad_complex): New function.
1400 (frvbf_model_fr500_u_media_dual_expand): New function.
1401 (frvbf_model_fr500_u_media_dual_unpack): New function.
1402 (frvbf_model_fr500_u_media_dual_btoh): New function.
1403 (frvbf_model_fr500_u_media_dual_htob): New function.
1404 (frvbf_model_fr500_u_media_dual_btohe): New function.
1405 (frv_ref_SI): New function.
1406 * cache.h (FRV_CACHE): Add memory_latency field.
1407 * cache.c (frv_cache_init): Initialize memory_latency.
1408 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1409
14101999-12-17 Dave Brolley <brolley@cygnus.com>
1411
1412 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1413 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1414 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1415 (OPTIONS_FRV_TIMER): New enumeration.
1416 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1417 (frv_option_handler): Override common implementation of -p. Handle
1418 --profile-cache, --profile-parallel, --timer.
1419 * mloop.in (execute): Call profiling functions if the timer interrupt
1420 is enabled.
1421 (@cpu@_simulate_insn_prefetch): New function.
1422 (main loop): Call @cpu@_simulate_insn_prefetch.
1423 * interrupts.c (frv_queue_interrupt): Don't queue two external
1424 interrupts of the same priority.
1425 (frv_queue_external_interrupt): New function.
1426 (frv_external_interrupt): New function.
1427 (handle_interrupt): Handle external interrupts.
1428 (check_reset): New function.
1429 (frv_process_interrupts): Call check_reset.
1430 * frv.c: Include "bfd.h"
1431 (frvbf_h_psr_get_handler): Set the PIL field.
1432 (frvbf_h_psr_set_handler): Get the PIL field.
1433 (DUAL_REG): New macro.
1434 (DUAL_DOUBLE): New macro.
1435 (SET_USE_IS_FPOP): New macro.
1436 (SET_USE_NOT_FPOP): New macro.
1437 (USE_IS_FPOP): New macro.
1438 (SET_USE_IS_MEDIA): New macro.
1439 (SET_USE_NOT_MEDIA): New macro.
1440 (USE_IS_MEDIA_P1): New macro.
1441 (SET_USE_IS_MEDIA_P1): New macro.
1442 (SET_USE_NOT_MEDIA_P1): New macro.
1443 (SET_USE_IS_MEDIA_P2): New macro.
1444 (SET_USE_NOT_MEDIA_P2): New macro.
1445 (USE_IS_MEDIA_P2): New macro.
1446 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1447 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1448 (ACC_USE_IS_MEDIA_P1): New macro.
1449 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1450 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1451 (ACC_USE_IS_MEDIA_P2): New macro.
1452 (RESOURCE_IDIV): New macro.
1453 (RESOURCE_FDIV): New macro.
1454 (RESOURCE_SQRT): New macro.
1455 (fr_busy_adjust): New array.
1456 (acc_busy_adjust): New array.
1457 (apply_latency_adjustments): New function.
1458 (update_latencies): New function.
1459 (handle_wait_cycles): New function.
1460 (handle_resource_wait): New function.
1461 (update_target_latencies): New function.
1462 (frvbf_model_insn_before): Add resource latency to cycle counts.
1463 (frvbf_model_insn_after): Add resource latency to cycle counts.
1464 (update_GR_latency): New function.
1465 (update_GRdouble_latency): New function.
1466 (update_FR_latency): New function.
1467 (update_FRdouble_latency): New function.
1468 (decrease_ACC_busy): New function.
1469 (decrease_FR_busy): New function.
1470 (increase_FR_busy): New function.
1471 (update_ACC_latency): New function.
1472 (update_CCR_latency): New function.
1473 (update_idiv_resource_latency): New function.
1474 (update_fdiv_resource_latency): New function.
1475 (update_fsqrt_resource_latency): New function.
1476 (vliw_wait_for_GR): New function.
1477 (vliw_wait_for_GRdouble): New function.
1478 (vliw_wait_for_FR): New function.
1479 (vliw_wait_for_FRdouble): New function.
1480 (vliw_wait_for_CCR): New function.
1481 (vliw_wait_for_ACC): New function.
1482 (vliw_wait_for_idiv_resource): New function.
1483 (vliw_wait_for_fdiv_resource): New function.
1484 (vliw_wait_for_fsqrt_resource): New function.
1485 (enforce_full_fr_latency): New function.
1486 (frvbf_model_fr500_u_exec): New function.
1487 (frvbf_model_fr500_u_integer): New function.
1488 (frvbf_model_fr500_u_imul): New function.
1489 (frvbf_model_fr500_u_idiv): New function.
1490 (frvbf_model_fr500_u_branch): New function.
1491 (frvbf_model_fr500_u_set_hilo): New function.
1492 (frvbf_model_fr500_u_gr_load_store): New function.
1493 (frvbf_model_fr500_u_fr_load_store): New function.
1494 (frvbf_model_fr500_u_swap): New function.
1495 (frvbf_model_fr500_u_fr2fr): New function.
1496 (frvbf_model_fr500_u_fr2gr): New function.
1497 (frvbf_model_fr500_u_spr2gr): New function.
1498 (frvbf_model_fr500_u_gr2fr): New function.
1499 (frvbf_model_fr500_u_gr2spr): New function.
1500 (post_wait_for_FR): New function.
1501 (post_wait_for_FRdouble): New function.
1502 (post_wait_for_ACC): New function.
1503 (post_wait_for_CCR): New function.
1504 (post_wait_for_fdiv): New function.
1505 (post_wait_for_fsqrt): New function.
1506 (adjust_float_register_busy): New function.
1507 (adjust_double_register_busy): New function.
1508 (restore_float_register_busy): New function.
1509 (restore_double_register_busy): New function.
1510 (frvbf_model_fr500_u_float_arith): New function.
1511 (frvbf_model_fr500_u_float_dual_arith): New function.
1512 (frvbf_model_fr500_u_float_div): New function.
1513 (frvbf_model_fr500_u_float_sqrt): New function.
1514 (frvbf_model_fr500_u_float_compare): New function.
1515 (frvbf_model_fr500_u_float_dual_compare): New function.
1516 (frvbf_model_fr500_u_float_convert): New function.
1517 (frvbf_model_fr500_u_media): New function.
1518 (frvbf_model_fr500_u_barrier): New function.
1519 (frvbf_model_fr500_u_membar): New function.
1520 * frv-sim.h (LEUINT): New macro.
1521 (GET_HSR0_SA): New macro.
1522 (struct frv_interrupt_timer): New struct.
1523 (struct frv_interrupt_state): Add timer fiield.
1524 (frv_queue_external_interrupt): New function.
1525 (frv_external_interrupt): New function.
1526 (frv_profile_info): New function.
1527 (PROFILE_CACHE_IDX): New enumerator.
1528 (PROFILE_PARALLEL_IDX): New enumerator.
1529 (PROFILE_cache): New macro.
1530 (PROFILE_parallel): New macro.
1531 (WITH_PROFILE_CACHE_P): New macro.
1532 (WITH_PROFILE_PARALLEL_P): New macro.
1533 * cache.h (FRV_CACHE): Add last_was_hit field.
1534 * cache.c (get_tag): Use new last_was_hit field.
1535 (frv_cache_read): Ditto.
1536 (frv_cache_write): Ditto.
1537 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1538
15391999-12-13 Dave Brolley <brolley@cygnus.com>
1540
1541 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1542 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1543 sim_queue_fn_di_write.
1544 (frvbf_media_cut_ss): New function.
1545 * frv-sim.h (frvbf_media_cut_ss): New function.
1546 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1547
15481999-12-13 Dave Brolley <brolley@cygnus.com>
1549
1550 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1551 no constraints.
1552 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1553 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1554 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1555 FRV_IS_MEDIA_INSN.
1556 * frv.c (frvbf_model_simple_u_exec): New function.
1557 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1558 (FRV_IS_MEDIA_INSN): Range includes M-8.
1559
1560 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1561 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1562 Regenerate.
1563
15641999-12-10 Dave Brolley <brolley@cygnus.com>
1565
1566 * traps.c (check_registers_available): New function.
1567 (clear_ne_flags): Generate register_exception if register(s) not
1568 available.
1569 (frvbf_commit): Generate register_exception if register(s) not
1570 available.
1571 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1572 GR4-GR7 to SR0-SR4.
1573 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1574 PSR.ESR.
1575 (frvbf_h_psr_s_set_handler): New function.
1576 (frvbf_h_psr_esr_set_handler): New function.
1577 (frvbf_switch_supervisor_user_context): New function.
1578 (frvbf_scan_result): Reflect latest ISA.
1579 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1580 (frvbf_h_psr_esr_set_handler): New function.
1581 (frvbf_switch_supervisor_user_context): New function.
1582 (GET_HSR0_FRN): New Macro.
1583 (GET_HSR0_GRN): New Macro.
1584 (GET_HSR0_FRHE): New Macro.
1585 (GET_HSR0_FRLE): New Macro.
1586 (GET_HSR0_GRHE): New Macro.
1587 (GET_HSR0_GRLE): New Macro.
1588 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1589 (GET_ESFR): New bit ordering.
1590 (SET_ESFR): New bit ordering.
1591 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1592
15931999-12-10 Michael Meissner <meissner@cygnus.com>
1594
1595 * Makefile.in (sim-if.o): Add eng.h dependency.
1596
15971999-12-09 Dave Brolley <brolley@cygnus.com>
1598
1599 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1600 Pass sc->last_insn_p to @cpu@_model_insn_before.
1601 (main loop): Compute sc->first_insn_p.
1602 * frv.c (frvbf_model_insn_before): Set state variables.
1603 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1604 (frvbf_model_fr500_u_integer): Remove.
1605 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1606
16071999-12-07 Dave Brolley <brolley@cygnus.com>
1608
1609 * sim-main.h (cache.h): Include it.
1610 (insn_cache): New member.
1611 (data_cache): New member.
1612 (CPU_INSN_CACHE): New macro.
1613 (CPU_DATA_CACHE): New macro.
1614 * sim-if.c (WANT_CPU): New macro.
1615 (WANT_CPU_FRVBF): New macro.
1616 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1617 data and insn caches for each cpu.
1618 (sim_close): Call frv_cache_term for the insn and data caches of each
1619 cpu.
1620 * mloop.in (extract): Read insn from the cache.
1621 (main loop): Access the insn cache in order to maintain stats.
1622 * memory.c (data_non_cache_access): New function.
1623 (insn_non_cache_access): New function.
1624 (frvbf_read_mem_QI): Attempt to read from the cache first.
1625 (frvbf_read_mem_UQI): Ditto.
1626 (frvbf_read_mem_HI): Ditto.
1627 (frvbf_read_mem_UHI): Ditto.
1628 (frvbf_read_mem_SI): Ditto.
1629 (frvbf_read_mem_DI): Ditto.
1630 (frvbf_read_mem_DF): Ditto.
1631 (frvbf_read_imem_USI): New function.
1632 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1633 (frvbf_write_mem_UQI): Ditto.
1634 (frvbf_write_mem_HI): Ditto.
1635 (frvbf_write_mem_UHI): Ditto.
1636 (frvbf_write_mem_SI): Ditto.
1637 (frvbf_write_mem_DI): Ditto.
1638 (frvbf_write_mem_DF): Ditto.
1639 (frvbf_mem_set_QI): New function.
1640 (frvbf_mem_set_HI): New function.
1641 (frvbf_mem_set_SI): New function.
1642 (frvbf_mem_set_DI): New function.
1643 (frvbf_mem_set_DF): New function.
1644 (frvbf_mem_set_XI): New function.
1645 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1646 CGEN_FN_MEM_QI_WRITE,
1647 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1648 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1649 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1650 Call sim_queue_fn_mem_xi_write.
1651 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1652 Call sim_queue_fn_mem_xi_write.
1653 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1654 Call sim_queue_fn_mem_xi_write.
1655 (frvbf_insn_cache_preload): New function.
1656 (frvbf_data_cache_preload): New function.
1657 (frvbf_insn_cache_unlock): New function.
1658 (frvbf_data_cache_unlock): New function.
1659 (frvbf_insn_cache_invalidate): New function.
1660 (frvbf_data_cache_invalidate): New function.
1661 (frvbf_data_cache_flush): New function.
1662 * frv-sim.h (sim-options.h): Include it.
1663 (GET_HSR0): New macro.
1664 (SET_HSR0): New macro.
1665 (GET_HSR0_ICE): New macro.
1666 (SET_HSR0_ICE): New macro.
1667 (GET_HSR0_DCE): New macro.
1668 (SET_HSR0_DCE): New macro.
1669 (GET_HSR0_CBM): New macro.
1670 (GET_HSR0_RME): New macro.
1671 (GET_IHSR8): New macro.
1672 (GET_IHSR8_NBC): New macro.
1673 (frvbf_insn_cache_preload): New function.
1674 (frvbf_data_cache_preload): New function.
1675 (frvbf_insn_cache_unlock): New function.
1676 (frvbf_data_cache_unlock): New function.
1677 (frvbf_insn_cache_invalidate): New function.
1678 (frvbf_data_cache_invalidate): New function.
1679 (frvbf_data_cache_flush): New function.
1680 (insn_non_cache_access): New function.
1681 (frvbf_read_imem_USI): New function.
1682 (frvbf_mem_set_QI): New function.
1683 (frvbf_mem_set_HI): New function.
1684 (frvbf_mem_set_SI): New function.
1685 (frvbf_mem_set_DI): New function.
1686 (frvbf_mem_set_DF): New function.
1687 (frvbf_mem_set_XI): New function.
1688 (frv_options): FRV specific command line options.
1689 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1690 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1691 (cache.o): New target.
1692 (options.o): New target.
1693 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1694 * cache.h: New file.
1695 * cache.c: New file.
1696 * options.c: New file.
1697
16981999-11-29 Dave Brolley <brolley@cygnus.com>
1699
1700 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1701 (frvbf_check_non_excepting_divide): Ditto.
1702 (clear_ne_flags): Ditto
1703 (frvbf_commit): Ditto.
1704 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1705 * mloop.in (_parallel_write_init): Clear NE flags here.
1706 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1707 for non excepting insns. Also check for masked interrupts here.
1708 (frv_process_interrupts): Write NE flags here.
1709 (set_fp_exception_registers): No longer check for masked interrupts
1710 here.
1711 (check_for_compound_interrupt): No need to worry about masked
1712 interrupts.
1713 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1714 (GET_NE_FLAGS): New macro.
1715 (SET_NE_FLAGS): New macro.
1716 (GET_NE_FLAG): Operate on accumulated argument.
1717 (SET_NE_FLAG): Operate on accumulated argument.
1718 (CLEAR_NE_FLAG): Operate on accumulated argument.
1719 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1720 (frv.o): Correct dependencies.
1721 (traps.o): Ditto.
1722 (pipeline.o): Ditto.
1723 (interrupts.o): Ditto.
1724 (memory.o): Ditto.
1725 * sem.c: Regenerate.
1726
17271999-11-26 Dave Brolley <brolley@cygnus.com>
1728
1729 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1730 there is an exception indicated in the mask.
1731 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1732 state when adding a floating point insn to the pipeline.
1733 * interrupts.c (set_fp_exception_registers): Set NE flag for
1734 non-excepting insns.
1735 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1736 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1737 (frvbf_h_fr_int_get_handler): New function.
1738 (frvbf_h_fr_int_set_handler): New function.
1739 (frvbf_set_ne_index): New function.
1740 (NE_NOFLAG): New macro.
1741 (frv_interrupt_state): Add ne_index member.
1742 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1743 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1744 (frvbf_h_fr_int_get_handler): New function.
1745 (frvbf_h_fr_int_set_handler): New function.
1746 (frvbf_set_ne_index): New function.
1747 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1748
17491999-11-24 Dave Brolley <brolley@cygnus.com>
1750
1751 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1752
17531999-11-23 Dave Brolley <brolley@cygnus.com>
1754
1755 * frv-sim.h (frvbf_media_cut): New function.
1756 * frv.c (frvbf_media_cut): New function.
1757 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1758
17591999-11-22 Dave Brolley <brolley@cygnus.com>
1760
1761 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1762 * frv.c.h (frvbf_clear_all_accumulators): New function.
1763 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1764
17651999-11-18 Dave Brolley <brolley@cygnus.com>
1766
1767 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1768 if this is the first insn of its class in the pipeline.
1769 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1770 * traps.c (frvbf_media_register_not_aligned): New function.
1771 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1772
17731999-11-17 Dave Brolley <brolley@cygnus.com>
1774
1775 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1776 * frv-sim.h (OR_MSR_SIE): New macro.
1777 (CLEAR_MSR_SIE): New macro.
1778 (frvbf_media_overflow): Now takes sie argument.
1779 (frv_set_mp_exception_registers): Now takes sie argument.
1780 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1781 Set MSRx.SIE field.
1782 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1783
17841999-11-15 Dave Brolley <brolley@cygnus.com>
1785
1786 * traps.c (frv_mtrap): New function.
1787 (frvbf_media_cr_not_aligned): New function.
1788 (frvbf_media_acc_not_aligned): New function.
1789 (frvbf_media_overflow): New function.
1790 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1791 * interrupts.c: Call frv_set_mp_exception_registers.
1792 (frv_set_mp_exception_registers): New function.
1793 * frv-sim.h (frv_msr_mtt): New enumeration.
1794 (GET_MSR): New macro.
1795 (SET_MSR): New macro.
1796 (GET_MSR_AOVF): New macro.
1797 (SET_MSR_AOVF): New macro.
1798 (GET_MSR_OVF): New macro.
1799 (SET_MSR_OVF): New macro.
1800 (CLEAR_MSR_OVF): New macro.
1801 (GET_MSR_MTT): New macro.
1802 (SET_MSR_MTT): New macro.
1803 (frv_set_mp_exception_registers): New function.
1804 (frv_mtrap): New function.
1805 (FRV_IS_MEDIA_INSN): New macro.
1806 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1807
18081999-11-10 Dave Brolley <brolley@cygnus.com>
1809
1810 * sim-main.h (_sim_cpu): Add debug_state member.
1811 * mloop.in (_parallel_write_queued): Clear data_written.length.
1812 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1813 handler is 0xff.
1814 (frv_queue_break_interrupt): New function.
1815 (frv_break_interrupt): New function.
1816 (handle_interrupt): Handle break_interrupt.
1817 (frv_non_operating_interrupt): Now takes interrupt_kind.
1818 * frv-sim.h (frv_queue_break_interrupt): New function.
1819 (frv_break_interrupt): New function.
1820 (frv_break): New function.
1821 (frv_non_operating_interrupt): Now takes interrupt_kind.
1822 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1823
18241999-11-09 Dave Brolley <brolley@cygnus.com>
1825
1826 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1827 a floating point insn.
1828 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1829 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1830 frv_queue_fp_exception_interrupt.
1831 (frv_queue_fp_exception_interrupt): New function.
1832 (next_available_fq): New function.
1833 (set_fp_exception_registers): New function.
1834 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1835 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1836 (frv_program_interrupt): Don't process interrupt if it is masked.
1837 * frv.c (frvbf_h_fr_double_get_handler): Call
1838 frv_queue_fp_exception_interrupt.
1839 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1840 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1841 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1842 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1843 (frv_fp_exception_info): New struct type.
1844 (frv_interrupt_queue_element): Add fp_info member.
1845 (frv_fsr_traps): New enumeration.
1846 (frv_fsr_ftt): New enumeration.
1847 (frv_sie): New enumeration.
1848 (frv_miv): New enumeration.
1849 (GET_FSR): New macro.
1850 (SET_FSR): New macro.
1851 (GET_FSR_TEM): New macro.
1852 (SET_FSR_QNE): New macro.
1853 (SET_FSR_FTT): New macro.
1854 (GET_FSR_AEXC): New macro.
1855 (SET_FSR_AEXC): New macro.
1856 (GET_FQ): New macro.
1857 (SET_FQ): New macro.
1858 (SET_FQ_OPC): New macro.
1859 (SET_FQ_MIV): New macro.
1860 (SET_FQ_SIE): New macro.
1861 (SET_FQ_FTT): New macro.
1862 (SET_FQ_CEXC): New macro.
1863 (GET_FQ_VALID): New macro.
1864 (SET_FQ_VALID): New macro.
1865 (frv_queue_fp_exception_interrupt): New function.
1866 (FRV_IS_FLOAT_INSN): New macro.
1867
18681999-11-04 Dave Brolley <brolley@cygnus.com>
1869
1870 * traps.c (frvbf_fpu_error): No floating point errors need to be
1871 detected.
1872 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1873 of the ESR registers too.
1874 (set_exception_status_registers): Don't set EAR for any precise
1875 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1876 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1877 (non_operating_interrupt): No need for return code.
1878 (frv_program_or_software_interrupt): Process interrupt regardless
1879 of operating mode. If PSR.ET was not set at the start of processing,
1880 then stop the simulation with a message.
1881 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1882 CGEN_MEM_XI_WRITE.
1883 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1884 (frvbf_h_fr_quad_set_handler): New function.
1885 (frvbf_h_cpr_quad_set_handler): New function.
1886 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1887 sim_queue_fn_xi_write.
1888 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1889 sim_queue_fn_xi_write.
1890 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1891 sim_queue_fn_xi_write.
1892 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1893 sim_queue_mem_xi_write.
1894 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1895 sim_queue_mem_xi_write.
1896 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1897 sim_queue_mem_xi_write.
1898 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1899 (frvbf_h_fr_quad_set_handler): New function.
1900 (frvbf_h_cpr_quad_set_handler): New function.
1901 (SET_ESR_VALID): New macro.
1902 (CLEAR_ESR_VALID): New macro.
1903 (CLEAR_ESR_EAV): New macro.
1904 (CLEAR_ESR_EDV): New macro.
1905 * sem.c: Regenerate.
1906
19071999-11-02 Dave Brolley <brolley@cygnus.com>
1908
1909 * traps.c (frv_core_signal): Call
1910 frv_queue_mem_address_not_aligned_interrupt.
1911 * mloop.in (_parallel_write_queued): Call
1912 frv_save_data_written_for_interrupts.
1913 * frv.c (frvbf_h_gr_double_get_handler): Call
1914 frv_queue_register_exception_interrupt.
1915 (frvbf_h_cpr_double_get_handler): Call
1916 frv_queue_register_exception_interrupt.
1917 (frvbf_h_cpr_double_set_handler): Call
1918 frv_queue_register_exception_interrupt.
1919 (frvbf_load_multiple_GR): Call
1920 frv_queue_register_exception_interrupt.
1921 (frvbf_store_multiple_GR): Call
1922 frv_queue_register_exception_interrupt.
1923 (frvbf_load_multiple_CPR): Call
1924 frv_queue_register_exception_interrupt.
1925 (frvbf_store_multiple_CPR): Call
1926 frv_queue_register_exception_interrupt.
1927 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1928 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1929 queue element.
1930 (frv_queue_program_interrupt): Now returns interrupt queue element.
1931 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1932 element.
1933 (frv_queue_interrupt): Now returns interrupt queue element.
1934 (frv_queue_register_exception_interrupt): New function.
1935 (frv_queue_mem_address_not_aligned_interrupt): New function.
1936 (frv_save_data_written_for_interrupts): New function.
1937 (next_available_edr): EDR registers available in blocks of 4.
1938 (clear_exception_status_registers): New function.
1939 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1940
1941 * frv-sim.h (struct frv_data_written): New struct type.
1942 (frv_interrupt_queue_element): Add data_written member.
1943 (frv_queue_software_interrupt): Now returns interrupt queue element.
1944 (frv_queue_program_interrupt): Now returns interrupt queue element.
1945 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1946 element.
1947 (frv_queue_interrupt): Now returns interrupt queue element.
1948 (frv_queue_register_exception_interrupt): New function.
1949 (frv_queue_mem_address_not_aligned_interrupt): New function.
1950 (frv_save_data_written_for_interrupts): New function.
1951
19521999-10-27 Dave Brolley <brolley@cygnus.com>
1953
1954 * interrupts.c (ITABLE_ENTRY): New macro.
1955 (frv_interrupt_table): Add exception codes.
1956 (next_available_esr): New function.
1957 (next_available_edr): New function.
1958 (set_edr_register): New function.
1959 (set_exception_status_registers): New function.
1960 (check_for_compound_interrupt): Record information on all interrupts
1961 found.
1962 (frv_program_interrupt): Always call check_for_compound_interrupt.
1963 * frv.c (frvbf_h_pc_set_handler): Removed.
1964 (frvbf_h_spr_get_handler): Handle LR register.
1965 (frvbf_h_spr_set_handler): Handle LR register.
1966 (frvbf_h_lr_get_handler): New function.
1967 (frvbf_h_lr_set_handler): New function.
1968 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1969 (frvbf_h_lr_set_handler): New function.
1970 (frv_ec): New enumeration.
1971 (frv_interrupt): Add frv_ec field.
1972 (frv_rec): New enumeration.
1973 (frv_daec): New enumeration.
1974 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1975 (SET_ESR_EC): New macro.
1976 (SET_ESR_REC): New macro.
1977 (SET_ESR_IAEC): New macro.
1978 (SET_ESR_DAEC): New macro.
1979 (SET_ESR_EAV): New macro.
1980 (GET_ESR_EDV): New macro.
1981 (SET_ESR_EDV): New macro.
1982 (GET_ESR_EDN): New macro.
1983 (SET_ESR_EDN): New macro.
1984 (GET_ESR): New macro.
1985 (SET_ESR): New macro.
1986 (SET_EPCR): New macro.
1987 (SET_EAR): New macro.
1988 (SET_EDR): New macro.
1989 (GET_ESFR): New macro.
1990 (SET_ESFR): New macro.
1991 * cpu.c,cpu.h,sem.c: Rebuild.
1992
19931999-10-26 Dave Brolley <brolley@cygnus.com>
1994
1995 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1996 if mach is frv.
1997 (clear_nesr_neear): Only execute if mach is frv.
1998
19991999-10-22 Dave Brolley <brolley@cygnus.com>
2000
2001 * sim-main.h (sim_cpu): Add pipeline.
2002 (CPU_PIPELINE): New macro.
2003 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
2004 (main loop): Maintain pc in cpu.
2005 * frv-sim.h (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_PIPELINE): Moved from pipline.c.
2015 (frv_pipeline_reset): New interface.
2016 (frv_pipeline_add_insn): New interface.
2017 * interrupts.c (frv_queue_software_interrupt): New interface.
2018 (frv_queue_program_interrupt): New interface.
2019 (frv_queue_illegal_instruction_interrupt: New interface.
2020 (frv_queue_interrupt): New interface.
2021 (frv_detect_insn_access_interrupts): New interface.
2022 (frv_process_interrupts): New interface.
2023 (frv_program_interrupt): New interface.
2024 (frv_software_interrupt): New interface.
2025 (frv_program_or_software_interrupt): New interface.
2026 * frv.c: Use new interfaces.
2027 * pipeline.c: Use new interfaces.
2028 * traps.c: Use new interfaces.
2029 * memory.c: Use new interfaces.
2030 (frv_address_forbidden): No longer static.
2031
20321999-10-19 Dave Brolley <brolley@cygnus.com>
2033
2034 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
2035 NESR.EC.
2036 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
2037 * frv.c (frvbf_h_pc_set_handler): New function.
2038 * interrupts.c (frv_detect_data_interrupt): Removed.
2039 (address_forbidden): Removed.
2040 * frv-sim.h (frv_detect_data_interrupt): Removed.
2041 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2042 (NESR_REGISTER_NOT_ALIGNED): New macro.
2043 (NESR_UQI_SIZE): New macro.
2044 (NESR_QI_SIZE): New macro.
2045 (NESR_UHI_SIZE): New macro.
2046 (NESR_HI_SIZE): New macro.
2047 (NESR_SI_SIZE): New macro.
2048 (NESR_DI_SIZE): New macro.
2049 (NESR_XI_SIZE): New macro.
2050 (GET_NESR_DAEC): New macro.
2051 (SET_NESR_DAEC): New macro.
2052 (GET_NESR_REC): New macro.
2053 (SET_NESR_REC): New macro.
2054 (GET_NESR_EC): New macro.
2055 (SET_NESR_EC): New macro.
2056 (frvbf_read_mem_QI): New function.
2057 (frvbf_read_mem_UQI): New function.
2058 (frvbf_read_mem_HI): New function.
2059 (frvbf_read_mem_UHI): New function.
2060 (frvbf_read_mem_SI): New function.
2061 (frvbf_read_mem_WI): New function.
2062 (frvbf_read_mem_DI): New function.
2063 (frvbf_read_mem_DF): New function.
2064 (frvbf_write_mem_QI): New function.
2065 (frvbf_write_mem_UQI): New function.
2066 (frvbf_write_mem_HI): New function.
2067 (frvbf_write_mem_UHI): New function.
2068 (frvbf_write_mem_SI): New function.
2069 (frvbf_write_mem_WI): New function.
2070 (frvbf_write_mem_DI): New function.
2071 (frvbf_write_mem_DF): New function.
2072 * Makefile.in (SIM_OBJS): Add memory.o.
2073 * cpu.c,cpu.h,sem.c: Rebuild.
2074
20751999-10-18 Dave Brolley <brolley@cygnus.com>
2076
2077 * sim-if.c (sim_open): Use a real fpu error function.
2078 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2079 * mloop.in (_parallel_write_queued): Clear queue after writing.
2080 * interrupts.c (check_for_compound_interrupt): New function.
2081 (non_operating_interrupt): New function.
2082 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2083 (frvbf_h_gr_double_set_handler): New function.
2084 (frvbf_h_fr_double_get_handler): New function.
2085 (frvbf_h_fr_double_set_handler): New function.
2086 (frvbf_h_cpr_double_get_handler): New function.
2087 (frvbf_h_cpr_double_set_handler): New function.
2088 (frv_interrupt_queue_element): New struct type.
2089 (frv_queue_program_interrupt): Now takes pc.
2090 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2091 (frv_queue_interrupt): Now takes pc.
2092 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2093 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2094 (frvbf_division_exception): New function.
2095 (frvbf_fpu_error): New function.
2096 (frvbf_load_multiple_GR): New function.
2097 (frvbf_load_multiple_FR): New function.
2098 (frvbf_load_multiple_CPR): New function.
2099 * frv.c (frvbf_h_gr_double_get_handler): New function.
2100 (frvbf_h_gr_double_set_handler): New function.
2101 (frvbf_h_fr_double_get_handler): New function.
2102 (frvbf_h_fr_double_set_handler): New function.
2103 (frvbf_h_cpr_double_get_handler): New function.
2104 (frvbf_h_cpr_double_set_handler): New function.
2105 (frv_interrupt_queue_element): New struct type.
2106 (frv_queue_program_interrupt): Now takes pc.
2107 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2108 (frv_queue_interrupt): Now takes pc.
2109 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2110 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2111 (frvbf_fpu_error): New function.
2112 (frvbf_load_multiple_GR): New function.
2113 (frvbf_load_multiple_FR): New function.
2114 (frvbf_load_multiple_CPR): New function.
2115 * traps.c (frvbf_division_exception): New function.
2116 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2117
21181999-10-12 Dave Brolley <brolley@cygnus.com>
2119
2120 * mloop.in (new_vpc): New variable.
2121 (main loop): Call frv_detect_insn_access_interrupts. Call
2122 frv_detect_data_interrupts.
2123 * interrupts.c (access_queued_to): New function.
2124 (frv_detect_data_interrupts): New function.
2125 (frv_detect_insn_access_interrupts): New function.
2126 (frv_program_or_software_interrupt): Set PSR.S.
2127 * frv-sim.h (frv_detect_data_interrupts): New function.
2128 (frv_detect_insn_interrupts): New function.
2129
21301999-10-07 Dave Brolley <brolley@cygnus.com>
2131
2132 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2133 (frvbf_h_gr_hi_set_handler): New function.
2134 (frvbf_h_gr_lo_get_handler): New function.
2135 (frvbf_h_gr_lo.set_handler): New function.
2136 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2137 (frvbf_h_gr_hi_set_handler): New function.
2138 (frvbf_h_gr_lo_get_handler): New function.
2139 (frvbf_h_gr_lo.set_handler): New function.
2140 (frvbf_model_fr500_u_integer): New function.
2141 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2142
21431999-10-04 Dave Brolley <brolley@cygnus.com>
2144
2145 * traps.c: Use sim_engine_abort.
2146 * pipeline.c (frv_pipeline): Add field for insn major.
2147 (add_next_to_pipe): Return address of matching pipeline.
2148 (find_major_in_pipeline): New function.
2149 (check_insn_major_constraints: New function.
2150 (frv_pipeline_add_insn): Add checks for insn major constraints.
2151 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2152 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2153
2154Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2155
2156 * pipeline.c: New file.
2157 * mloop.in (main loop): Call frv_pipeline_reset.
2158 Call frv_pipeline_add_insn.
2159 * frv-sim.h (frv_pipeline_reset): New function.
2160 (frv_pipeline_add_insn): New function.
2161 * Makefile.in (SIM_OBJS): Add pipeline.o
2162
21631999-09-29 Doug Evans <devans@casey.cygnus.com>
2164
2165 * sem.c: Rebuild.
2166 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2167 result to SEM_PC. Return vpc.
2168
2169Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2170
2171 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2172 (frv_queue_interrupt): Don't detect identical interrupts here.
2173
2174Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2175
2176 * interrupts.c: New file.
2177 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2178 (frv_software_interrupt): Moved to interrupts.c.
2179 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2180 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2181 (@cpu@_perform_writeback): New function.
2182 (main loop): Call frv_process_interrupts.
2183 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2184 (frv_itrap): New interface.
2185 (frv_interrupt_class): New enumeration.
2186 (frv_interrupt_kind): New enumeration.
2187 (struct frv_interrupt): New struct type.
2188 (frv_interrupt_table): New table of interrupt information.
2189 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2190 (struct frv_interrupt_state): New struct type.
2191 (frv_interrupt_state): New global variable.
2192 (previous_vliw_pc): New global variable.
2193 (frv_queue_software_interrupt): New function.
2194 (frv_queue_program_interrupt): New function.
2195 (frv_queue_interrupt): New function.
2196 (frv_process_interrupts): New function.
2197 (frv_program_interrupt): New function.
2198 (frv_software_interrupt): New function.
2199 (frv_program_or_software_interrupt): New function.
2200 (frv_clear_interrupt_classes): New function.
2201 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2202 * Makefile.in (SIM_OBJS): Add interrupts.o
2203 * sem.c: Rebuild.
2204
22051999-09-25 Doug Evans <devans@casey.cygnus.com>
2206
2207 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2208
2209Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2210
2211 * mloop.in (main loop): Determine last insn from scache entry.
2212 * cpu.h: Rebuild.
2213 * cpuall.h: Rebuild.
2214
2215Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2216
2217 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2218 (NECR_ELOS): Define as unshifted value.
2219 (NECR_NEN): Define as unshifted value.
2220 (NECR_VALID): Define as unshifted value.
2221 (SET_NESR): Rewite to use post-write queue.
2222 (SET_NESR_VALID): Rewite to operate on argument.
2223 (SET_NESR_EAV): Rewite to operate on argument.
2224 (SET_NESR_FR): Rewite to operate on argument.
2225 (CLEAR_NESR_FR): Rewite to operate on argument.
2226 (SET_NESR_DRN): Rewite to operate on argument.
2227 (SET_NESR_SIZE): Rewite to operate on argument.
2228 (SET_NESR_NEAN): Rewite to operate on argument.
2229 (SET_NEEAR): Rewite to use post-write queue.
2230 (SET_NE_FLAG): Rewite to use post-write queue.
2231 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2232 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2233 (frv_rett): Rewite to use post-write queue.
2234 (next_available_nesr): Rewrite to use new macro interfaces.
2235 (next_valid_nesr): Ditto.
2236 (frvbf_check_non_excepting_load): Ditto.
2237 (frvbf_check_recovering_store): Ditto.
2238 (clear_nesr_neear): Ditto.
2239 (clear_ne_flags): Ditto.
2240 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2241 when flag is set.
2242 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2243 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2244 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2245 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2246 * Makefile.in (frv.o): Depend on cgen-par.h.
2247
2248Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2249
2250 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2251 (frvbf_write_next_vliw_addr_to_LR): New flag.
2252 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2253 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2254 address of the next VLIW insn if flag is set.
2255 * cpu.h,decode.c,sem.c: Rebuild.
2256
2257Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2258
2259 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2260 * sem.c: Rebuild.
2261
22621999-09-02 Doug Evans <devans@casey.cygnus.com>
2263
2264 * configure: Regenerated to track ../common/aclocal.m4 changes.
2265
22661999-09-01 Doug Evans <devans@casey.cygnus.com>
2267
2268 * decode.c: Rebuild.
2269
2270Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2271
2272 * traps.c (frv_rett): New function.
2273 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2274 (frvbf_h_spr_set_handler): Handle bpsr.
2275 (frvbf_h_bpsr_get_handler): New function.
2276 (frvbf_h_bpsr_set_handler): New function.
2277 * frv-sim.h (frv_rett): New function.
2278 (frvbf_h_bpsr_get_handler): New function.
2279 (frvbf_h_bpsr_set_handler): New function.
2280 * mloop.in: Read actual packing bit.
2281 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2282
2283Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2284
2285 * traps.c (WANT_CPU): New macro.
2286 (WANT_CPU_FRVBF): New macro.
2287 (frvbf_check_recovering_store): Use registers for source and queue
2288 writes.
2289 * mloop.in: New main loop for parallel support.
2290 (@cpu@_parallel_write_init): New function.
2291 (@cpu@_parallel_write_queued): New function.
2292 * frv-sim.h (set_icc_for_shift_left): New interface.
2293 (set_icc_for_shift_right): New interface.
2294 (frvbf_check_recovering_store): New interface.
2295 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2296 (set_icc_for_shift_right): Pass and return icc value.
2297 (frvbf_check_recovering_store): New interface.
2298 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2299 (stamp-mloop): Add cgen parallel options.
2300 (stamp-arch): Remove with-profile option.
2301 (stamp-cpu): Add cgen parallel options.
2302 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2303
23041999-08-28 Doug Evans <devans@casey.cygnus.com>
2305
2306 * cpu.h,decode.c,sem.c: Rebuild.
2307
2308Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2309
2310 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2311
2312Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2313
2314 * configure.in: fr500 now the default model.
2315 * configure: Regenerate.
2316 * frv.c: Change frv-1 to frv-gen.
2317 (frvbf_model_fr500_u_exec): New function.
2318 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2319 * mloop.in: Fix typos in comments.
2320 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2321
23221999-08-17 Dave Brolley <brolley@cygnus.com>
2323
2324 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2325
23261999-08-09 Doug Evans <devans@casey.cygnus.com>
2327
2328 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2329
23301999-08-04 Doug Evans <devans@casey.cygnus.com>
2331
2332 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2333
2334Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2335
2336 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2337 (frvbf_store_register): Use GDB register number macros.
2338 (frvbf_cut): New function.
2339 * frv-sim.h (GR_REGNUM_MAX): New macro.
2340 (FR_REGNUM_MAX): New macro.
2341 (PC_REGNUM): New macro.
2342 (LR_REGNUM): New macro.
2343 (frvbf_cut): New function.
2344 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2345
23461999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2347
2348 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2349 add default for unhandled registers.
2350 (frvbf_store_register): Add ability to set LR register.
2351
23521999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2353
2354 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2355 (decode_gdb_dr_regnum): Remove, not used.
2356
23571999-07-13 Michael Meissner <meissner@cygnus.com>
2358
2359 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2360
2361 * configure.in (--enable-sim-trapdump): New switch to make unknown
2362 traps dump the register contents, instead of doing the trap thing.
2363 * configure: Regenerate.
2364
2365 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2366 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2367 temporarily.
2368
2369 * traps.h (toplevel): Include bfd.h, libiberity.h.
2370 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2371 dumping the registers.
2372
2373Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2374
2375 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2376
2377Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2378
2379 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2380
2381Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2382
2383 * frv.c (frvbf_square_root_SF): Removed.
2384 (frvbf_square_root_DF): Removed.
2385 (frvbf_h_fr_double_get_handler): Removed.
2386 (frvbf_h_fr_double_set_handler): Removed.
2387 (frvbf_h_fr_int_get_handler): Removed.
2388 (frvbf_h_fr_int_set_handler): Removed.
2389 * frv-sim.h (frvbf_square_root_SF): Removed.
2390 (frvbf_square_root_DF): Removed.
2391 (frvbf_h_fr_double_get_handler): Removed.
2392 (frvbf_h_fr_double_set_handler): Removed.
2393 (frvbf_h_fr_int_get_handler): Removed.
2394 (frvbf_h_fr_int_set_handler): Removed.
2395 * decode.c,decode.h,model.c,sem.c: Rebuild.
2396
23971999-07-05 Doug Evans <devans@casey.cygnus.com>
2398
2399 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2400 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2401 * sim-if.c (sim_open): Initialize fpu.
2402 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2403 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2404 with frvbf_h_fr_get.
2405
2406Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2407
2408 * frv-sim.h (NESR_RANGE): New macro.
2409 (NO_NESR): New macro.
2410 (GET_NESR_VALID): New macro.
2411 (next_ne_index): Removed.
2412 * traps.c (next_available_nesr): New function.
2413 (next_valid_nesr): New function.
2414 (frvbf_check_non_excepting_load): Use next_available_nesr.
2415 (frvbf_check_recovering_store): Use next_available_nesr and
2416 next_valid_nesr.
2417 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2418 (frvbf_check_recovering_store): Only consider one matching register.
2419 * sem.c: Rebuild.
2420
2421Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2422
2423 * frv.c (frvbf_square_root_SF): New function.
2424 (frvbf_square_root_DF): New function.
2425 (frvbf_h_fr_double_get_handler): New function.
2426 (frvbf_h_fr_double_set_handler): New function.
2427 * frv-sim.h (frvbf_square_root_SF): New function.
2428 (frvbf_square_root_DF): New function.
2429 (frvbf_h_fr_double_get_handler): New function.
2430 (frvbf_h_fr_double_set_handler): New function.
2431 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2432
24331999-06-28 Dave Brolley <brolley@cygnus.com>
2434
2435 * decode.c,decode.h,model.c,sem.c: Regenerate.
2436
2437Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2438
2439 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2440 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2441 (frvbf_h_fr_int_set_handler): New function.
2442 (frvbf_store_multiple_FRint): New function.
2443 (frvbf_square_root_SF): New function.
2444 * frv.c (frvbf_h_fr_int_get_handler): New function.
2445 (frvbf_h_fr_int_set_handler): New function.
2446 (frvbf_store_multiple_FRint): New function.
2447 (frvbf_square_root_SF): New function.
2448 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2449
24501999-06-23 Doug Evans <devans@casey.cygnus.com>
2451
2452 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2453 to genmloop.sh. Pass -scache instead.
2454 (mloop.o): Delete sem-switch.c dependency.
2455 (sem-switch.c): Delete rule.
2456 (stamp-cpu): Don't build sem-switch.c.
2457 * sem-switch.c: Delete.
2458 * mloop.in (xfull-exec-*): Fix call to execute.
2459 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2460
2461 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2462
2463Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2464
2465 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2466
2467Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2468
2469 * mloop.in (execute): Force gr0 to zero before each insn.
2470 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2471
24721999-06-18 Doug Evans <devans@casey.cygnus.com>
2473
2474 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2475
2476Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2477
2478 * frv.c (frvbf_h_gr_get_handler): New function.
2479 (frvbf_h_gr_set_handler): New function:
2480 (frvbf_store-multiple_GR): New function:
2481 (frvbf_store-multiple_FR): New function:
2482 (frvbf_store-multiple_CPR): New function:
2483 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2484 (frvbf_h_gr_set_handler): New function:
2485 (frvbf_store-multiple_GR): New function:
2486 (frvbf_store-multiple_FR): New function:
2487 (frvbf_store-multiple_CPR): New function:
2488 * traps.c (frv_itrap): Implement proper syscalls interface.
2489 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2490
2491Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2492
2493 * traps.c (frvbf_check_non_excepting_divide): New function.
2494 (frvbf_check_recovering_store): New function.
2495 (clear_nesr_neear): New function.
2496 (clear_ne_flags): New function.
2497 (frvbf_commit): New function.
2498
2499 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2500 (frvbf_check_recovering_store): New function.
2501 (clear_nesr_neear): New function.
2502 (clear_ne_flags): New function.
2503 (frvbf_commit): New function.
2504 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2505
25061999-06-16 Dave Brolley <brolley@cygnus.com>
2507
2508 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2509 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2510 * traps.c (next_ne_index): New variable.
2511 (frvbf_check_non_excepting_load): New function.
2512 * frv-sim.h (NECR_ELOS): New macro.
2513 (NECR_NEN): New macro.
2514 (NECR_VALID): New macro.
2515 (SET_NESR_VALID): New macro.
2516 (SET_NESR_EAV): New macro.
2517 (SET_NESR_FR): New macro.
2518 (CLEAR_NESR_FR): New macro.
2519 (SET_NESR_DRN): New macro.
2520 (SET_NESR_SIZE): New macro.
2521 (SET_NESR_NEAN): New macro.
2522 (SET_NEEAR): New macro.
2523 (GET_NE_FLAG): New macro.
2524 (SET_NE_FLAG): New macro.
2525 (CLEAR_NE_FLAG): New macro.
2526 (frvbf_check_non_excepting_load): New function:
2527 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2528
2529Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2530
2531 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2532
2533Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2534
2535 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2536 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2537
2538Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2539
2540 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2541
25421999-06-07 Dave Brolley <brolley@cygnus.com>
2543
2544 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2545
2546Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2547
2548 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2549
2550Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2551
2552 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2553
2554Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2555
2556 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2557
2558Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2559
2560 * traps.c (frv_software_interrupt): Pass current_cpu to
2561 frvbf_h_psr_esr_get.
2562 (frv_software_interrupt): Calculate the new PC based on TBR.
2563 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2564
25651999-05-31 Dave Brolley <brolley@cygnus.com>
2566
2567 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2568
2569Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2570
2571 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2572 (frvbf_h_cccr_set_handler): New function.
2573 (frvbf_scan_result): New function.
2574 (frvbf_cr_logic): New function.
2575 * frv.c (frvbf_h_cccr_get_handler): New function.
2576 (frvbf_h_cccr_set_handler): New function.
2577 (frvbf_scan_result): New function.
2578 (frvbf_cr_logic): New function.
2579 (cr_ops,cr_result,cr_logic): New table.
2580 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2581
25821999-05-25 Dave Brolley <brolley@cygnus.com>
2583
2584 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2585 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2586 (frv_psr_get_handler): New function.
2587 (frv_psr_set_handler): New function.
2588 (frv_tbr_get_handler): New function.
2589 (frv_tbr_set_handler): New function.
2590 (frvbf_h_ccr_get_handler): Add support for fCC.
2591 (frvbf_h_ccr_set_handler): Add support for fCC.
2592 * frv-sim.h (frv_psr_get_handler): New function.
2593 (frv_psr_set_handler): New function.
2594 (frv_tbr_get_handler): New function.
2595 (frv_tbr_set_handler): New function.
2596 * traps.c (frv_software_interrupt): Implement.
2597 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2598
2599Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2600
2601 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2602
26031999-05-18 Dave Brolley <brolley@cygnus.com>
2604
2605 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2606 (frvbf_set_icc_for_shift_right): New function.
2607 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2608 (frvbf_set_icc_for_shift_right): New function.
2609 (SETMEMSF): New Macro.
2610 (SETMEMDF): New Macro.
2611 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2612
2613Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2614
2615 * frv.c (frvbf_h_ccr_get_handler): New function.
2616 (frvbf_h_ccr_set_handler): New function.
2617 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2618
2619Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2620
2621 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2622 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2623 * frv.c: Likewise.
2624 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2625
26261999-05-10 Dave Brolley <brolley@cygnus.com>
2627
2628 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2629
2630Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2631
2632 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2633 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2634
2635Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2636
2637 * traps.c (frv_software_interrupt): New function.
2638 (frv_itrap): New function.
2639 * frv-sim.h (TRAP_SYSCALL): define as 0.
2640 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2641
2642Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2643
2644 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2645
2646Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2647
2648 * Directory created.
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