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[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
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79e59fe6
DB		 12005-10-28 Dave Brolley <brolley@redhat.com>
2
3 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
4
5 Contribute the following changes:
6 2003-09-29 Dave Brolley <brolley@redhat.com>
7
8 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
9 CGEN_ATTR_VALUE_TYPE.
10 * mloop.in: Ditto.
11 * pipeline.c: Ditto.
12 * traps.c: Ditto.
13
2b193c4a
MK		 142005-03-23 Mark Kettenis <kettenis@gnu.org>
15
16 * configure: Regenerate.
17
35695fd6
AC		 182005-01-14 Andrew Cagney <cagney@gnu.org>
19
20 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
21 explicit call to AC_CONFIG_HEADER.
22 * configure: Regenerate.
23
f0569246
AC		 242005-01-12 Andrew Cagney <cagney@gnu.org>
25
26 * configure.ac: Update to use ../common/common.m4.
27 * configure: Re-generate.
28
38f48d72
AC		 292005-01-11 Andrew Cagney <cagney@localhost.localdomain>
30
31 * configure: Regenerated to track ../common/aclocal.m4 changes.
32
b7026657
AC		 332005-01-07 Andrew Cagney <cagney@gnu.org>
34
35 * configure.ac: Rename configure.in, require autoconf 2.59.
36 * configure: Re-generate.
37
379832de
HPN		 382004-12-08 Hans-Peter Nilsson <hp@axis.com>
39
40 * configure: Regenerate for ../common/aclocal.m4 update.
41
45aa12b4
RS		 422004-08-27 Richard Sandiford <rsandifo@redhat.com>
43
44 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
45 * cpuall.h, model.c, sem.c: Regenerated.
46
676a64f4
RS		 472004-03-01 Richard Sandiford <rsandifo@redhat.com>
48
49 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
50 (profile-fr450.o): New dependency.
51 (stamp-cpu): Add fr450 to the list of machs.
52 * sim-frv.h (SPR_IS_ACC): New macro.
53 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
54 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
55 * frv.c (check_register_alignment, check_fr_register_alignment)
56 (check_memory_alignment, do_media_average): Likewise.
57 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
58 rather than a consecutive range.
59 * interrupts.c (frv_queue_illegal_instruction_interrupt)
60 (frv_queue_non_implemented_instruction_interrupt): Handle
61 bfd_mach_fr450.
62 * memory.c (check_data_read_address, check_readwrite_address)
63 (check_insn_read_address, check_write_address): Likewise.
64 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
65 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
66 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
67 * profile-fr450.c: New file.
68 * registers.c (fr450_spr): New array.
69 (frv_register_control_init): Check its size. Use it for fr450.
70 (frv_check_register_access): Handle bfd_mach_fr450.
71 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
72 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
73 (frvbf_media_acc_not_aligned): Likewise.
74 (frvbf_media_register_not_aligned): Likewise.
75 * arch.c: Regenerate.
76 * arch.h: Regenerate.
77 * cpu.h: Regenerate.
78 * cpuall.h: Regenerate.
79 * decode.h: Regenerate.
80 * model.c: Regenerate.
81
c7a48b9a
RS		 822004-03-01 Richard Sandiford <rsandifo@redhat.com>
83
84 * cache.c (frv_cache_init): Change fr400 cache statistics to match
85 the fr405.
86 (non_cache_access): Add missing breaks.
87 * interrupts.c (set_exception_status_registers): Always set EAR15
88 for data_access_errors.
89 * memory.c (fr400_check_write_address): Remove redundant alignment
90 check.
91 * model.c: Regenerate.
92
8b73069f
RS		 932004-03-01 Richard Sandiford <rsandifo@redhat.com>
94
95 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
96
8ae0baa2
RS		 972004-03-01 Richard Sandiford <rsandifo@redhat.com>
98
99 * decode.c, decode.h, model.c, sem.c: Regenerate.
100
d74c4203
KB		 1012003-11-24 Kevin Buettner <kevinb@redhat.com>
102
103 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
104 (SPR_REGNUM_MAX): Delete.
105 * frv.c (gdb/sim-frv.h): Include.
106 (frvbf_fetch_register, frvbf_store_register): Use register number
107 constants from gdb/sim-frv.h. Check availability of general
108 purpose and float registers.
109
0b01870b
DB		 1102003-11-03 Dave Brolley <brolley@redhat.com>
111
112 * cache.c (address_interference): Check for higher priority requests
113 in the same pipeline.
114
9a29f3ca
DB		 1152003-10-31 Dave Brolley <brolley@redhat.com>
116
162cec1b 117 * frv-sim.h (LR_REGNUM): Removed.
073926e5 118 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 119 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 120 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 121 Return 0 for an unimplemented register. Return the length of the data
122 for an implemented register.
123 (frvbf_store_register): Ditto.
124
fc0a2244
AC		 1252003-10-30 Andrew Cagney <cagney@redhat.com>
126
127 * traps.c: Replace "struct symbol_cache_entry" with "struct
128 bfd_symbol".
129
29a79ca0
DB		 1302003-10-10 Dave Brolley <brolley@redhat.com>
131
132 * cpu.h, sem.c: Regenerate.
133
e930b1f5
DB		 1342003-10-06 Dave Brolley <brolley@redhat.com>
135
136 * profile-fr550.[ch]: New files.
137 * configure.in: Move frv handling to alphabetically correct placement.
138 * Makefile.in: Add fr550 support.
139 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
140 profile.[ch],registers.c,traps.c: Add fr550 support.
141 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
142 Regenerate.
143
22f367a7
DB		 1442003-09-25 Dave Brolley <brolley@redhat.com>
145
146 * reset.c (frv_initialize): Call frv_register_control_init first.
147
1c453cd6
DB		 1482003-09-24 Dave Brolley <brolley@redhat.com>
149
150 * profile.h (update_FR_ptime): New prototype.
151 (update_FRdouble_ptime): Ditto.
152 (update_SPR_ptime): Ditto.
153 (increase_ACC_busy): Ditto.
154 (enforce_full_acc_latency): Ditto.
155 (post_wait_for_SPR): Ditto.
156 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
157 (update_FRdouble_ptime): Ditto.
158 (update_SPR_ptime): New function.
159 (increase_ACC_busy): Ditto.
160 (enforce_full_acc_latency): Ditto.
161 (vliw_wait_for_fdiv_resource): Correct resource name.
162 (vliw_wait_for_fsqrt_resource): Ditto.
163 (post_wait_for_SPR): New function.
164 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
165 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
166 adjust_float_register_busy.
167 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
168 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
169 registers.
170 (frvbf_model_fr500_u_float_arith): Ditto.
171 (frvbf_model_fr500_u_float_dual_arith): Ditto.
172 (frvbf_model_fr500_u_float_div): Ditto.
173 (frvbf_model_fr500_u_float_sqrt): Ditto.
174 (frvbf_model_fr500_u_float_convert): Ditto.
175 (update_FR_ptime): Moved to profile.c
176 (update_FRdouble_ptime): Moved to profile.c
177 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
178 for other machines.
179 (update_FRdouble_ptime): Ditto.
180 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
181
153431d6
DB		 1822003-09-12 Dave Brolley <brolley@redhat.com>
183
184 * registers.c (frv_check_spr_read_access): Check for access to
185 ACC4-ACC63 and ACCG4-ACCG63.
186 * profile.h (frv-desc.h): #include it.
187 (spr_busy): New member of FRV_PROFILE_STATE.
188 (spr_latency): Ditto.
189 (GNER_FOR_GR): New macro.
190 (FNER_FOR_FR): New maccro.
191 (update_SPR_latency): New function.
192 (vliw_wait_for_SPR): New function.
93938d47 193 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 194 (update_target_latencies): Ditto.
195 (update_SPR_latency): New function.
196 (vliw_wait_for_SPR): New function.
197 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
198 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
199 (frvbf_model_fr500_u_check): Ditto.
200 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
201 (frvbf_model_fr500_u_clrfr): Ditto.
202 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
203 (frvbf_model_fr500_u_gr2spr): Ditto.
204 * frv-sim.h (H_SPR_ACC4): New macro.
205 (H_SPR_ACCG4): New macro;
206 (H_SPR_ACC0): Removed.
207 (H_SPR_ACCG0): Removed.
208 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
209
ba9c4053
DB		 2102003-09-10 Dave Brolley <brolley@redhat.com>
211
212 * profile.c (slot_names): FM1 was listed twice. Changed first
213 instance to FM0. Added IALL, FMALL and FMLOW.
214 (print_parallel): Don't examine slots with no insns.
215
f9e18f5a
DB		 2162003-09-09 Dave Brolley <brolley@redhat.com>
217
218 * frv.c (do_media_average): Select machine using a switch.
219
d89a78b6
DB		 2202003-09-08 Dave Brolley <brolley@redhat.com>
221
222 On behalf of Doug Evans <dje@sebabeach.org>
223 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
224 Remove copying of .cpu file to cgen/cpu, no longer needed.
225
d03ea14f
DB		 2262003-09-03 Dave Brolley <brolley@redhat.com>
227
228 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
229
e8d2f504
DB		 2302003-08-29 Dave Brolley <brolley@redhat.com>
231
232 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
233 temporarily when regenerating files.
234 (stamp-cpu): Ditto.
235
b34f6357
DB		 2362003-08-20 Micheal Snyder <msnyder@redhat.com>
237
238 * All generated files: Regenerate.
239
2402001-10-11 Dave Brolley <brolley@redhat.com>
241
242 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
243
2442001-10-09 Dave Brolley <brolley@redhat.com>
245
246 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
247 not set.
248 * reset.c (frv_hardware_reset): Invalidate both caches.
249 * registers.c: Update init, reset and read-only masks for all registers
250 on all machines.
251 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
252 (prev_gr_complex): New field of FRV_PROFILE_STATE
253 (set_use_is_gr_complex): New function.
254 (set_use_not_gr_complex): New function.
255 (use_is_gr_complex): New function.
256 (decrease_GR_busy): New function.
257 * profile.c (reset_gr_flags): New function.
258 (reset_cc_flags): New function.
259 (set_use_is_gr_complex): New function.
260 (set_use_not_gr_complex): New function.
261 (use_is_gr_complex): New function.
262 (update_latencies): Reset gr and cc flags when latency reaches 0.
263 (decrease_GR_busy): New function.
264 * profile-fr400.h (fr500_reset_acc_flags): Removed.
265 (fr500_reset_cc_flags): New function.
266 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
267 LSI version 1.41.
268 * profile-fr400.h (fr400_reset_gr_flags): New function.
269 (fr400_reset_fr_flags): New function.
270 (fr400_reset_acc_flags): New function.
271 * profile-fr400.c (set_use_not_media_p4): New function.
272 (set_use_not_media_p6): New function.
273 (set_acc_use_not_media_p2): New function.
274 (set_acc_use_not_media_p4): New function.
275 (fr400_reset_gr_flags): New function.
276 (fr400_reset_fr_flags): New function.
277 (fr400_reset_acc_flags): New function.
278 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
279 (frvbf_model_fr400_u_media_hilo): New function.
280 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
281 * memory.c (fr400_check_data_read_address): Check address range only
282 for double word loads. Don't check alignment here.
283 (fr400_check_readwrite_address): New function.
284 (fr500_check_readwrite_address): New function.
285 (check_readwrite_address): New function.
286 (fr500_check_insn_read_address): Correct address ranges.
287 (frvbf_read_mem_*): Check address range here.
288 (frv_address_forbidden): Removed.
289 (fr400_check_write_address): New function.
290 (check_write_address): New function.
291 (frvbf_write_mem_*): Don't check address range here.
292 (frvbf_mem_set_*): Check address range here.
293 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
294 address as second argument.
295 (frv_queue_data_access_exception_interrupt): New function.
296 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
297 media insns on fr400.
298 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
299 for media insns on fr400.
300 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
301 of insns here. Check for MTRAP insn if PSR.EM is not set.
302 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
303 set.
304 (set_exception_status_registers): Do not always set EPCR. Set EAR for
305 data_acess_error only if not fr400.
306 * frv.c (do_media_average): New function.
307 (frvbf_media_average): New function.
308 (frvbf_insn_cache_invalidate): Check for illegal invocation.
309 (frvbf_data_cache_invalidate): Ditto.
310 (frvbf_data_cache_flush): Ditto.
311 * frv-sim.h (GET_FSR_QNE): New macro.
312 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
313 (GET_MSR_SRDAV): New macro.
314 (GET_MSR_RDAV): New macro.
315 (GET_MSR_RD): New macro.
316 (frv_queue_data_access_error_interrupt): Now takes an address as second
317 argument.
318 (frv_address_forbidden): Removed.
319 * cache.c (non_cache_access): Correct address ranges. Now takes cache
320 as first argument.
321 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
322
3232001-08-20 Dave Brolley <brolley@redhat.com>
324
325 * sim-main.h (_sim_cpu): New field 'elf_flags'.
326 * sim-if.c (sim_open): Extract the elf_flags from the input file and
327 save them with each cpu.
328 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
329 last_insn_p before executing the insn.
330 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
331 insn cache.
332 (frv_cache_invalidate_all): Ditto.
333
3342001-08-20 Richard Sandiford <rsandifo@redhat.com>
335
336 * traps.c (syscall_read_mem): Flush the data cache before reading.
337 (syscall_write_mem): Flush the data cache before writing.
338 Invalidate both caches.
339
3402001-07-05 Ben Elliston <bje@redhat.com>
341
342 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
343 (stamp-cpu): Likewise.
344
3452001-05-23 Dave Brolley <brolley@redhat.com>
346
347 * profile-fr400.c (acc_use_is_media_p2): New function.
348 (frvbf_model_fr400_u_media_2): Account for latency of output
349 accumulators.
350 (frvbf_model_fr400_u_media_2_quad): Ditto.
351 (frvbf_model_fr400_u_media_2_acc): New function.
352 (frvbf_model_fr400_u_media_2_acc_dual): New function.
353 (frvbf_model_fr400_u_media_2_add_sub): New function.
354 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
355 (frvbf_model_fr400_u_media_3_dual): New function.
356 (frvbf_model_fr400_u_media_4_acc_dual): New function.
357 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
358
3592001-05-15 Dave Brolley <brolley@redhat.com>
360
361 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
362 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
363 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
364 (request_cache_flush): Save 'all' argument.
365 (request_cache_invalidate): Save all_cache_entries from profile state
366 to 'all' field of the request.
367 (submit_cache_request): Pass the 'all' field of the request to
368 frv_cache_request_invalidate.
369 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
370 operation even if HSR0.ICE is not set.
371 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
372 operation even if HSR0.DCE is not set.
373 (frv_data_cache_flush): Ditto.
374 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
375 (frv_data_cache_invalidate): Add new 'all' parameter.
376 (frv_data_cache_flush): Add new 'all' parameter.
377 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
378 (frv_cache_request_invalidate): Add new 'all' parameter.
379 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
380 its value in the invalidate request.
381 (address_interference): Accept the value '-1' for the address argument
382 to mean 'any address'.
383 (handle_req_invalidate): Handle request to invalidate all cache lines.
384 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
385
3862001-05-14 Dave Brolley <brolley@redhat.com>
387
388 * profile.h (past_first_p): New field of profiling state.
389 (branch_penalty): Ditto.
390 (branch_hint): Ditto.
391 (update_branch_penalty): New function.
392 * profile.c (frvbf_model_insn_after): Reset past_first_p and
393 branch_address fields of the profiling state.
394 (frvbf_model_branch): New function.
395 (update_branch_penalty): New function.
396 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
397 FCCi_3 inputs.
398 (frvbf_model_fr500_u_trap): New function.
399 (frvbf_model_fr500_u_check): New function.
400 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
401 cycles.
402 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
403 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
404 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
405 documented in teh fr400 LSI.
406 (frvbf_model_fr400_u_media_dual_htob): Ditto.
407 (frvbf_model_fr400_u_media_dual_unpack): Removed.
408 (frvbf_model_fr500_u_trap): New function.
409 (frvbf_model_fr500_u_check): New function.
410 * mloop.in (simulate_dual_insn_prefetch): New function.
411 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
412 arguments for each machine type.
413 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
414
4152001-05-09 Dave Brolley <brolley@redhat.com>
416
417 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
418 (profile-fr400.o): New target.
419 * profile.c: New file.
420 * profile.h: New file.
421 * profile-fr400.c: New file.
422 * profile-fr400.h: New file.
423 * profile-fr500.c: New file.
424 * profile-fr500.h: New file.
425 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
426
4272001-05-02 Dave Brolley <brolley@redhat.com>
428
429 * sim-main.h (profile.h): #include it.
430 (CPU_PROFILE_STATE): New macro.
431 (profile_state): New frv specific cpu field.
432 * reset.c (frv_initialize): insn_fetch_address and branch_address now
433 part of global profiling state.
434 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
435 (SIM_EXTRA_DEPS): Add profile.h.
436 (registers.o): Correct name of source file.
437 (profile.o): New target.
438 (profile-fr500.o): New target.
439 * frv-sim.h: Move profile related data structures to profile.h.
440 * frv.c: Move fr500 specific functions to profile-fr500.c.
441 * cpu.h: Regenerated.
442
4432001-04-27 Dave Brolley <brolley@redhat.com>
444
445 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
446 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
447 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
448 Rename PIPE_* to UNIT_*.
449 (frv_queue_illegal_instruction_interrupt): Use
450 frv_is_float_insn and frv_is_media_insn.
451 (frv_queue_non_implemented_instruction_interrupt): Ditto.
452 (frv_detect_insn_access_interrupts): Ditto.
453 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
454 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
455 * memory.c: Ditto.
456 * pipeline.c: Ditto.
457 * mloop.in: Ditto.
458 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
459 * cache.c: Rename PIPE_* to UNIT_*.
460
4612001-04-24 Dave Brolley <brolley@redhat.com>
462
463 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
464 (frvbf_load_quad_FRint): Ditto.
465 (frvbf_load_quad_CPR): Ditto.
466 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
467 machines.
468 (bfd.h): #include it.
469 (non_cache_access): Update for revised fr500 and for fr400.
470 * registers.c (frv_spr): Don't reset PSR.PS.
471 (fr500_spr): Ditto.
472 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
473
4742001-04-23 Dave Brolley <brolley@redhat.com>
475
476 * traps.c (frv_core_signal): On fr400, generate data_access_error.
477 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
478 (frvbf_media_acc_not_aligned): Ditto.
479 (frvbf_media_register_not_aligned): Ditto.
480 (frvbf_division_exception): Use GET_ISR_EDE.
481 * registers.c (frv_check_spr_read_access): New function.
482 (frv_check_spr_write_access): New function.
483 (frv_check_spr_access): Deleted.
484 (frv_check_register_access): On fr400, generate illegal_instruction.
485 * memory.c (fr400_check_data_read_address): New function.
486 (fr500_check_data_read_address): Ditto.
487 (check_data_read_address): Ditto.
488 (fr400_check_insn_read_address): Ditto.
489 (fr500_check_insn_read_address): Ditto.
490 (check_insn_read_address): Ditto.
491 (frvbf_read_mem_QI): Call check_data_read_access.
492 (frvbf_read_mem_UQI): Ditto.
493 (frvbf_read_mem_HI): Ditto.
494 (frvbf_read_mem_UHI): Ditto.
495 (frvbf_read_mem_SI): Ditto.
496 (frvbf_read_mem_DI): Ditto.
497 (frvbf_read_mem_DF): Ditto.
498 (frvbf_read_imem_USI): Call check_insn_read_access.
499 (frv_address_forbidden): Now takes cpu as first argument. Check based
500 on machine type.
501 (fr400_mem_address_unaligned): New function.
502 (fr500_mem_address_unaligned): Ditto.
503 (check_write_address): Ditto.
504 (frvbf_mem_set_QI): Call check_write_address.
505 (frvbf_mem_set_HI): Ditto.
506 (frvbf_mem_set_SI): Ditto.
507 (frvbf_mem_set_DI): Ditto.
508 (frvbf_mem_set_DF): Ditto.
509 (frvbf_mem_set_XI): Ditto.
510 * interrupts.c (bfd.h): #include it.
511 (frv_queue_data_access_error_interrupt): New function.
512 (frv_queue_instruction_access_error_interrupt): New function.
513 (frv_queue_instruction_access_exception_interrupt): New function.
514 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
515 (frv_queue_non_implemented_instruction_interrupt): Ditto.
516 (frv_detect_insn_access_interrupts): Reorder tests to match priority
517 from the LSI manual.
518 (set_isr_exception_fields): Accumulate dtt bits.
519 * frv.c (check_register_alignment): New function.
520 (check_fr_register_alignment): New function.
521 (check_memory_alignment): New function.
522 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
523 (frvbf_h_gr_double_set_handler): Ditto.
524 (frvbf_h_cpr_double_get_handler): Ditto.
525 (frvbf_h_cpr_double_set_handler): Ditto.
526 (frvbf_h_gr_quad_set_handler): Ditto.
527 (frvbf_h_cpr_quad_set_handler): Ditto.
528 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
529 (frvbf_h_fr_double_set_handler): Ditto.
530 (frvbf_h_fr_quad_set_handler): Ditto.
531 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
532 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
533 (frvbf_load_quad_GR): Call check_memory_aligment.
534 (frvbf_load_quad_FRint): Ditto.
535 (frvbf_load_quad_CPR): Ditto.
536 (frvbf_store_quad_GR): Call check_memory_aligment and
537 check_register_alignment.
538 (frvbf_store_quad_FRint): Ditto.
539 (frvbf_store_quad_CPR): Ditto.
540 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
541 * frv-sim.h (H_SPR_ACC0): New macro.
542 (H_SPR_ACC63): New macro.
543 (H_SPR_ACCG0): New macro.
544 (H_SPR_ACCG63): New macro.
545 (frv_dtt): New enumerator.
546 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
547 (GET_ISR_DTT): New macro.
548 (frv_queue_data_access_error_interrupt): New function.
549 (frv_queue_instruction_access_error_interrupt): New function.
550 (frv_queue_instruction_access_exception_interrupt): New function.
551 (frv_address_forbidden): Now takes cpu as first argument.
552 * cpu.h: Regenerate.
553
5542001-04-10 Dave Brolley <brolley@redhat.com>
555
556 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
557 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
558 (fr400_spr): Implement SPR registers for fr400.
559 (frv_register_control_init): Handle bfd_mach_fr400 properly.
560 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
561 (spr_psr_get_handler): Ditto.
562 (spr_ccr_get_handler): Ditto.
563 (spr_cccr_get_handler): Ditto.
564 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
565 * frv-sim.h: Update comment about MCCR_* macros.
566 * cpu.c,cpu.h: Regenerate.
567
5682001-04-05 Dave Brolley <brolley@redhat.com>
569
570 * cpu.h,decode.c,model.c,sem.c: Regenerate.
571
5722001-04-05 Dave Brolley <brolley@redhat.com>
573
574 * reset.c: Update copyright.
575 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
576 * frv.c (frvbf_model_fr400_u_exec): New function.
577 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
578 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
579 Regenerate.
580
5812000-11-22 Dave Brolley <brolley@redhat.com>
582
583 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
584 Regenerate.
585
5862000-11-10 Dave Brolley <brolley@redhat.com>
587
588 * decode.c: Regenerate.
589
5902000-09-12 Dave Brolley <brolley@redhat.com>
591
592 * traps.c (frv_sim_engine_halt_hook): New function.
593 (frv_itrap): Caches now invalidated in sim_engine_halt via
594 SIM_ENGINE_HALT_HOOK.
595 (frv_break): Ditto.
596 * sim-main.h (frv_sim_engine_halt_hook): New function.
597 (SIM_ENGINE_HALT_HOOK): New macro.
598 (SIM_ENGINE_RESTART_HOOK): New macro.
599 * interrupts.c: Call to frv_term now done within sim_engine_halt via
600 SIM_ENGINE_HALT_HOOK.
601
6022000-09-08 Dave Brolley <brolley@redhat.com>
603
604 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
605 respectively when stopping for a breakpoint.
606 (frv_break): Ditto.
607 * cache.h (frv_cache_invalidate_all): New function.
608 * cache.c (frv_cache_invalidate_all): New function.
609
6102000-09-05 Dave Brolley <brolley@redhat.com>
611
612 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
613 sim_handle_breakpoint. Otherwise if environment != operating call
614 sim_engine_halt. Otherwise handle normally.
615 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
616 breakpoints here. Moved to frv_break in traps.c.
617
618 * sem.c: Regenerate.
619
6202000-09-01 Dave Brolley <brolley@redhat.com>
621
622 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
623 before queuing an interrupt in order to allow 'break' to be used as
624 the breakpoint insn.
625
6262000-08-29 Dave Brolley <brolley@redhat.com>
627
628 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
629
6302000-07-27 Dave Brolley <brolley@redhat.com>
631
632 * cpu.h,decode.c: Rebuild.
633
6342000-07-26 Dave Brolley <brolley@redhat.com>
635
636 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
637 (spr_cccr_set_handler): Change CRx to CCx.
638 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
639
6402000-07-24 Dave Brolley <brolley@redhat.com>
641
642 * sem.c: Regenerate.
643 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
644 Don't write it directly.
645
646Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
647
648 * configure: Regenerated to track ../common/aclocal.m4 changes.
649
6502000-07-05 Ben Elliston <bje@redhat.com>
651
652 * configure: Regenerated to track ../common/aclocal.m4 changes.
653
6542000-06-28 Dave Brolley <brolley@redhat.com>
655
656 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
657
6582000-06-21 Dave Brolley <brolley@redhat.com>
659
660 * pipeline.c: All code except frv_pipeline_setup_insn moved to
661 frv.opc.
662 * mloop.in (main loop): frv_pipeline_add_insn broken up into
663 frv_pipeline_add_insn and frv_pipeline_setup_insn.
664 * frv-sim.h: Move pipeline status code to frv.opc.
665 * model.c: Regenerate.
666
6672000-06-12 Dave Brolley <brolley@redhat.com>
668
669 * options.c (frv_option_handler): --profile-parallel implies
670 --profile-model.
671 * mloop.in (fetch_buffer): Removed.
672 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
673 run_caches. Use cache directly if not counting cycles. Don't use
674 cache at all if not counting cycles and cache not enabled.
675 * frv.c (frv_insn_fetch_buffer): New global variable.
676 (run_caches): Monitor the status of insn prefetch requests.
677 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
678 (frv_insn_fetch_buffer): New global variable.
679
6802000-06-12 Dave Brolley <brolley@redhat.com>
681
682 * mloop.in (fetch_buffer): New static struct.
683 (@cpu@_simulate_insn_prefetch): Rewritten.
684 * cache.c (frv_cache_request_invalidate): Don't invalidate return
685 buffer.
686 (address_interference): Defer to any WAR request in either pipeline.
687
6882000-06-09 Dave Brolley <brolley@redhat.com>
689
690 * pipeline.c (insns_in_slot): New Array.
691 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
692 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
693 option.
694 (parse_cache_option): New function.
695 (frv_option_handler): Call parse_cache_option.
696 * frv.c (vliw_branch_taken): New variable.
697 (vliw_load_stall): New variable.
698 (handle_resource_wait): Update vliw_load_stall.
699 (frvbf_model_insn_before): Initialize vliw_branch_taken and
700 vliw_load_stall.
701 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
702 (load_wait_for_FR): Update vliw_load_stall.
703 (load_wait_for_GR): Update vliw_load_stall.
704 (load_wait_for_FRdouble): Update vliw_load_stall.
705 (load_wait_for_GRdouble): Update vliw_load_stall.
706 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
707 (slot_names): New static array.
708 (print_parallel): Now takes second argument 'verbose'. Print cycles per
709 VLIW insn and instructions per cycle. Also tabulate the number of insns
710 in each type of VLIW slot.
711 (frv_profile_info): Call print_parallel with new second argument.
712 * frv-sim.h (insn_in_slot): New array.
713 (COUNT_INSNS_IN_SLOT): New macro.
714 (INSNS_IN_SLOT): New macro.
715 * cache.c: Remove references to non_blocking_count. Remove references to
716 last_was_hit. Remove references to req_none.
717 (handle_req_store): Adjust statistics before requeuing the store
718 request.
719 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
720 * cache.h: Remove references to non_blocking_count. Remove references to
721 last_was_hit. Remove references to req_none.
722 * model.c: Regenerate.
723
7242000-06-08 Dave Brolley <brolley@redhat.com>
725
726 * frv.c (request_complete): Copy load data from the correct return
727 buffer.
728
7292000-06-07 Dave Brolley <brolley@redhat.com>
730
731 * traps.c (frv_core_signal): Call frv_term before exiting.
732 (frv_itrap): Call frv_term before exiting.
733 (next_available_nesr): Make sure NECR is implemented before reading it.
734 (next_valid_nesr): Ditto.
735 (frvbf_check_non_excepting_load): Ditto.
736 (frvbf_clear_ne_flags): Ditto.
737 (frvbf_commit): Ditto.
738 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
739 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
740 store_flag members.
741 (CPU_LOAD_ADDRESS): New macro.
742 (CPU_LOAD_LENGTH): New macro.
743 (CPU_LOAD_SIGNED): New macro.
744 (CPU_LOAD_LOCK): New macro.
745 * reset.c (frv_term): New function.
746 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
747 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
748 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
749 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
750 the insn. Model the insn in two passes. One before and one after
751 execution.
752 (cache_reqno): new static variable.
753 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
754 cache rather than assuming a fixed latency.
755 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
756 enabled so that modeling data is collected by cgen during execution.
757 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
758 * memory.c (data_non_cache_access): Removed.
759 (insn_non_cache_access): Removed.
760 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
761 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
762 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
763 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
764 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
765 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
766 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
767 (frvbf_read_imem_USI): Read the cache or ememory passively.
768 (frvbf_write_mem_QI): Don't check for non-cache access here.
769 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
770 (frvbf_write_mem_HI): Don't check for non-cache access here.
771 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
772 (frvbf_write_mem_SI): Don't check for non-cache access here.
773 (frvbf_write_mem_DI): Don't check for non-cache access here.
774 (frvbf_write_mem_DF): Don't check for non-cache access here.
775 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
776 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
777 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
778 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
779 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
780 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
781 * interrupts.c (check_reset): Read the cache and memory passively.
782 (frv_program_or_software_interrupt): Call frv_term before calling
783 sim_engine_halt.
784 * frv.c (all modeling functions): Break into two passes. One before
785 execuetion and one after. call load_wait_for_* for all GR and FR
786 registers.
787 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
788 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
789 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
790 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
791 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
792 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
793 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
794 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
795 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
796 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
797 (model_insn): New global variable.
798 (fr_ptime): New array.
799 (cache_request): New enumeration.
800 (CACHE_QUEUE_ELEMENT): New struct type.
801 (CACHE_QUEUE_SIZE): New macro.
802 (cache_queue): New static struct.
803 (request_cache_load): New function.
804 (request_cache_flush): New function.
805 (request_cache_invalidate): New function.
806 (request_cache_preload): New function.
807 (request_cache_unlock): New function.
808 (submit_cache_request): New function.
809 (activate_cache_requests): New function.
810 (load_pending_for_register): New function.
811 (flush_pending_for_address): New function.
812 (remove_cache_queue_element): New function.
813 (copy_load_data): New function.
814 (request_complete): New function.
815 (run_caches): New function.
816 (frv_model_trace_wait_cycles): New function.
817 (wait_for_flush): New function.
818 (frvbf_model_insn_before): Insn prefect wait now modeled in
819 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
820 wait_for_flush.
821 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
822 vliw_insns here anymore.
823 (update_FR_latency_for_load): New function.
824 (update_FRdouble_latency_for_load): New function.
825 (update_FR_ptime): New function.
826 (update_FRdouble_ptime): New function.
827 (update_GR_latency_for_swap): New function.
828 (load_wait_for_GR): New function.
829 (load_wait_for_FR): New function.
830 (load_wait_for_GRdouble): New function.
831 (load_wait_for_FRdouble): New function.
832 (frvbf_model_fr500_u_ici): New function.
833 (frvbf_model_fr500_u_dci): New function.
834 (frvbf_model_fr500_u_dcf): New function.
835 (frvbf_model_fr500_u_icpl): New function.
836 (frvbf_model_fr500_u_dcpl): New function.
837 (frvbf_model_fr500_u_icul): New function.
838 (frvbf_model_fr500_u_dcul): New function.
839 * frv-sim.h (frv_term): New function.
840 (insn_non_cache_access): Removed.
841 (FRV_COUNT_CYCLES): New macro.
842 (frv_save_peofile_model_p): New global variable.
843 (model_insn): New enumerated global variable.
844 (frv_model_advance_cycles): New function.
845 (frv_model_trace_wait_cycles): New function.
846 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
847 (FRV_CACHE_WAR_REQUEST): New struct type.
848 (FRV_CACHE_STORE_REQUEST): New struct type.
849 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
850 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
851 (FRV_CACHE_REQUEST): New struct type.
852 (FRV_CACHE_RETURN_BUFFER): New struct type.
853 (FRV_CACHE_FLUSH_STATUS): New struct type.
854 (FRV_CACHE_STATUS): New struct type.
855 (FRV_CACHE_STAGE): New struct type.
856 (FRV_CACHE_STAGES): New enumeration.
857 (FRV_CACHE_WAR): New struct type.
858 (FRV_CACHE_PIPELINE): New struct type.
859 (FRV_CACHE_ARS): New struct type.
860 (FRV_CACHE_STATISTICS): New struct type.
861 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
862 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
863 (CACHE_RETURN_DATA_ADDRESS): New macro.
864 (frv_cache_read): Now takes pipe index as second argument.
865 (frv_cache_enabled): New function.
866 (frv_cache_request_load): New function.
867 (frv_cache_request_store): New function.
868 (frv_cache_request_invalidate): New function.
869 (frv_cache_request_preload): New function.
870 (frv_cache_request_unlock): New function.
871 (frv_cache_run): New function.
872 (frv_cache_read_passive_SI): New function.
873 (frv_cache_data_in_buffer): New function.
874 (frv_cache_data_flushed): New function.
875 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
876 (frv_cache_enabled): New function.
877 (non_cache_access): New function.
878 (write_data_to_memory): Count write accesses for each mode. Write to
879 memory using sim_core_write_unaligned_1;
880 (read_data_from_memory): New function.
881 (fill_line_from_memory): Use read_data_from_memory.
882 (copy_line_to_return_buffer): New function.
883 (copy_memory_to_return_buffer): New function.
884 (set_return_buffer_reqno): New function.
885 (frv_cache_read): Now takes pipe index as second argument. Check for
886 non-cache access.
887 (frv_cache_preload): Check for non-cache access.
888 (frv_cache_unlock): Check for non-cache access.
889 (invalidate_return_buffer): New function.
890 (frv_cache_invalidate): Check for non-cache access.
891 (convert_slot_to_index): New function.
892 (FREE_CHAIN_SIZE): New macro.
893 (frv_cache_request_free_chain): New static variable.
894 (frv_store_request_free_chain): New static variable.
895 (allocate_new_cache_requests): New function.
896 (new_cache_request): New function.
897 (free_cache_request): New function.
898 (new_store_request): New function.
899 (pipeline_remove_request): New function.
900 (pipeline_add_request): New function.
901 (pipeline_requeue_request): New function.
902 (next_priority): New function.
903 (add_WAR_request): New function.
904 (pipeline_next_request): New function.
905 (pipeline_stage_request): New function.
906 (advance_pipelines): New function.
907 (frv_cache_request_load): New function.
908 (frv_cache_request_store): New function.
909 (frv_cache_request_invalidate): New function.
910 (frv_cache_request_preload): New function.
911 (frv_cache_request_unlock): New function.
912 (address_interference): New function.
913 (wait_for_WAR): New function.
914 (wait_in_WAR): New function.
915 (handle_req_load): New function.
916 (handle_req_preload): New function.
917 (handle_req_store): New function.
918 (handle_req_invalidate): New function.
919 (handle_req_unlock): New function.
920 (handle_req_WAR): New function.
921 (arbitrate_requests): New function.
922 (move_ARS_to_WAR): New function.
923 (decrease_latencies): New function.
924 (frv_cache_run): New function.
925 (frv_cache_read_passive_SI): New function.
926 (frv_cache_data_in_buffer): New function.
927 (frv_cache_data_flushed): New function.
928 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
929
930Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
931
932 * configure: Regenerated to track ../common/aclocal.m4 changes.
933
9342000-05-19 Dave Brolley <brolley@redhat.com>
935
936 * traps.c (frv_rett): Check for exceptions in the order specified in the
937 architecture spec. Allow privileged_instruction interrrupt to be handled
938 normally.
939 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
940 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
941 to clear the NE flag.
942 (frvbf_model_tomcat_u_exec): New function.
943 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
944 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
945 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
946
9472000-05-18 Dave Brolley <brolley@redhat.com>
948
949 * sim-if.c (elf-bfd.h): #include it.
950 (sim_open): Set machine amd architecture based on elf flags.
951
9522000-04-04 Dave Brolley <brolley@redhat.com>
953
954 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
955 Delete '#if 0' blocks.
956 * frv.c: Delete '#if 0' blocks.
957 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
958 PSR.S and PSR.ESR.
959 (frv_h_psr_esr_set_handler): Removed.
960 * interrupts.c: Delete '#if 0' blocks.
961 * memory.c: Delete '#if 0' blocks.
962 * cpu.c,cpu.h: Regenerate.
963
9642000-04-03 Dave Brolley <brolley@redhat.com>
965
966 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
967 containing the target address.
968 (clear_nesr_neear): No longer takes hi_available and lo_available.
969 Remove bogus check for available GR registers.
970 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
971 (frvbf_commit): Update call to clear_nesr_neear.
972 * interrupts.c (next_available_esr): Removed.
973 (next_available_edr): Removed.
974 (next_available_fq): Removed.
975 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
976 (frvbf_store_register): Remove "FIXME" comment.
977 * frv-sim.h (UART_INCHAR_ADDR): Removed.
978 (UART_OUTCHAR_ADDR): Removed.
979 (UART_STATUS_ADDR): Removed.
980 (UART_INPUT_READY): Removed.
981 (UART_OUTPUT_READY): Removed.
982 (FRV_DEVICE_ADDR): Removed.
983 (FRV_DEVICE_LEN): Removed.
984 (SET_NESR): Call frvbf_force_update.
985 (SET_NEEAR): Call frvbf_force_update.
986 (SET_NE_FLAGS): Call frvbf_force_update.
987
9882000-03-30 Dave Brolley <brolley@redhat.com>
989
990 * configure: Regenerated.
991
9922000-03-30 Dave Brolley <brolley@redhat.com>
993
994 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
995 * memory.c (frvbf_write_mem_*): Save slot containing the insn
996 performing the write.
997 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
998 queue element with the information in the interrupt state.
999 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1000 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1001 (frv_set_interrupt_queue_slot): New function.
1002 (esr_for_data_access_exception): New function.
1003 (set_edr_register): edr_index is now passed in.
1004 (fq_for_exception): New function.
1005 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1006 element now passed in.
1007 (set_exception_status_registers): Obtain slot from interrupt queue
1008 element. Call esr_for_data_access_exception. Use ESR14
1009 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1010 (frv_save_data_written_for_interrupts): Save slot containing the insn
1011 performing the write.
1012 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1013 frv_fsr_ftt.
1014 (struct frv_interrupt_state): Add 'slot' field.
1015 (frv_set_interrupt_queue_slot): New function.
1016 (frv_set_write_queue_slot): New function.
1017
10182000-03-24 Dave Brolley <brolley@redhat.com>
1019
1020 * mloop.in (_parallel_write_init): Initialize
1021 frv_interrupt_state.imprecise_interrupt.
1022 (_parallel_write_queued): After an imprecise interrupt, only perform
1023 forced writes and floating point writes (for certain exceptions).
1024 * interrupts.c (handle_interrupt): Set
1025 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1026 interrupt.
1027 (frv_process_interrupts): No need to clear f_ne_flags.
1028 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1029 force them to happen even if there is an overflow exception.
1030 (frvbf_force_update): New function.
1031 * frv-sim.h (frvbf_force_update): New function.
1032 (struct frv_interrupt_state): Add imprecise_interrupt.
1033 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1034 * sem.c: Regenerate.
1035
10362000-03-23 Dave Brolley <brolley@redhat.com>
1037
1038 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1039 * registers.c (frv_spr): MCIRL -> MCILR.
1040 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1041 New function.
1042 (frv_detect_insn_access_interrupts):
1043 Call frv_queue_non_implemented_instruction_interrupt.
1044 (frv_process_interrupts): Clear accumulated NE flags.
1045 * frv.c (frvbf_media_cop): New function.
1046 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1047 the NE flag of the given target register.
1048 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1049 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1050 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1051 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1052 (frvbf_model_fr500_u_float_dual_convert): New function.
1053 * frv-sim.h (frvbf_media_cop): New function.
1054 (GET_FQ): Use H_SPR_FQST0.
1055 (SET_FQ): Use H_SPR_FQST0.
1056 (SET_FQ_OPC): Use J_SPR_FQOP0.
1057 (GET_MSR_EMCI): New macro.
1058 (frv_queue_non_implemented_instruction_interrupt): New function.
1059 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1060
10612000-03-08 Dave Brolley <brolley@redhat.com>
1062
1063 * traps.c (frv_rett): Align new_pc.
1064 * memory.c (frvbf_read_mem_HI): Align address.
1065 (frvbf_read_mem_UHI): Align address.
1066 (frvbf_read_mem_SI): Align address.
1067 (frvbf_read_mem_DI): Align address.
1068 (frvbf_read_mem_DF): Align address.
1069 (frvbf_read_imem_USI): Align address.
1070 (frvbf_mem_set_HI): Align address.
1071 (frvbf_mem_set_SI): Align address.
1072 (frvbf_mem_set_DI): Align address.
1073 (frvbf_mem_set_DF): Align address.
1074 (frvbf_mem_set_XI): Align address.
1075 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1076 (fr500_spr): Initialize FSR0.NS to 1.
1077 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1078 whether the exception is masked.
1079 * frv.c (frvbf_load_quad_GR): Align address.
1080 (frvbf_store_quad_GR): Align address.
1081 (frvbf_load_quad_FRint): Align address.
1082 (frvbf_store_quad_FRint): Align address.
1083 (frvbf_load_quad_CPR): Align address.
1084 (frvbf_store_quad_CPR): Align address.
1085 * frv-sim.h (GET_ISR_EMAM): New macro.
1086
10872000-03-08 Dave Brolley <brolley@redhat.com>
1088
1089 * traps.c (frvbf_division_exception): Check for masked overflow and
1090 set NE flags, if necessary.
1091 (frvbf_check_recovering_store): Queue writes to the hardware.
1092 (check_registers_available): Removed.
1093 (which_registers_available): Call frv_{fr,gr}_registers_available.
1094 (frvbf_clear_ne_flags): Call check_register_access.
1095 (frvbf_commit): Call check_register_access.
1096 * registers.h (frv_fr_registers_available): New function.
1097 (frv_gr_registers_available): New function.
1098 (frv_check_register_access): New function.
1099 (frv_check_gr_access): New function.
1100 (frv_check_fr_access): New function.
1101 * registers.c (frv_spr): Correct initial value of ISR.
1102 (fr500_spr): Correct initial value of ISR.
1103 (frv_fr_registers_available): New function.
1104 (frv_gr_registers_available): New function.
1105 (frv_check_register_access): New function.
1106 (frv_check_gr_access): New function.
1107 (frv_check_fr_access): New function.
1108 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1109 (set_isr_exception_fields): New function.
1110 (set_exception_status_registers): Set ISR fields for division exception.
1111 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1112 * frv.c (frvbf_h_gr_get_handler): New function.
1113 (frvbf_h_gr_set_handler): New function.
1114 (frvbf_h_fr_get_handler): New function.
1115 (frvbf_h_fr_set_handler): New function.
1116 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1117 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1118 (spr_isr_get_handler): Removed.
1119 (spr_isr_set_handler): Removed.
1120 (frvbf_signed_integer_divide): New funciton.
1121 (frvbf_unsigned_integer_divide): New funciton.
1122 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1123 (frvbf_h_gr_set_handler): New function.
1124 (frvbf_h_fr_get_handler): New function.
1125 (frvbf_h_fr_set_handler): New function.
1126 (frvbf_signed_integer_divide): New funciton.
1127 (frvbf_unsigned_integer_divide): New funciton.
1128 (frv_dtt): New enumeration.
1129 (struct frv_interrupt_queue_element): Add dtt member.
1130 (GET_ISR): New macro.
1131 (SET_ISR): New macro.
1132 (GET_ISR_EDEM): New macro.
1133 (SET_ISR_DTT): New macro.
1134 (SET_ISR_AEXC): New macro.
1135 (frvbf_division_exception): Add 2 'int' arguments.
1136 (frvbf_check_non_excepting_divide): Removed.
1137 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1138
11392000-02-29 Dave Brolley <brolley@redhat.com>
1140
1141 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1142 (frv_rett): Use hardware access macros. Write PSR as a whole.
1143 (next_available_nesr): Check that NECR is valid.
1144 (next_valid_nesr): Check that NECR is valid.
1145 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1146 call hardware access functions. Use cover macros.
1147 (check_registers_available): New function.
1148 (clear_nesr_near): Check register availability.
1149 (clear_ne_flags): Check register availability.
1150 (frvbf_clear_ne_flags): Check register availability.
1151 (frvbf_commit): Check register availability.
1152 (which_registers_available): New function.
1153 * sim-main.h (registers.h): #include it.
1154 (register_control): New cpu field.
1155 (CPU_REGISTER_CONTROL): New macro.
1156 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1157 (frv_power_on_reset): Initialize SPR registers and RSTR.
1158 (frv_hardware_reset): Initialize SPR registers and RSTR.
1159 (frv_software_reset): Reset SPR registers and RSTR.
1160 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1161 Call frv_cache_init.
1162 * mloop.in (main loop): Check for insn access interrupts before
1163 executing the insn.
1164 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1165 (frv_detect_insn_access_interrupts): Don't call hardware access
1166 functions directly. Use cover macros.
1167 (check_reset): Don't reset RSTR here.
1168 (next_available_esr): ESFR -> ESFR_FLAG.
1169 (next_available_edr): ESFR -> ESFR_FLAG.
1170 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1171 ESFR -> ESFR_FLAG.
1172 (frv_break_interrupt): Don't call hardware access functions directly.
1173 Use cover macros.
1174 (frv_program_or_software_interrupt): Ditto.
1175 (frv_external_interrupt): Ditto.
1176 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1177 (frvbf_store_register): Don't call 'set' functions directly.
1178 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1179 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1180 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1181 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1182 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1183 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1184 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1185 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1186 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1187 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1188 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1189 Support shadow registers.
1190 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1191 Support shadow registers.
1192 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1193 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1194 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1195 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1196 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1197 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1198 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1199 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1200 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1201 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1202 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1203 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1204 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1205 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1206 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1207 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1208 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1209 version 1.3a.
1210 (spr_ccr_get_handler): Don't reference the hardware directly.
1211 (spr_ccr_set_handler): Don't reference the hardware directly.
1212 (spr_cccr_get_handler): Don't reference the hardware directly.
1213 (spr_cccr_set_handler): Don't reference the hardware directly.
1214 (spr_sr_get_handler): New function.
1215 (spr_sr_set_handler): New function.
1216 (frvbf_switch_supervisor_user_context): Temporarily switch to
1217 supervisor mode.
1218 (frvbf_store_quad_GR): Don't call handler directly.
1219 (frvbf_store_quad_FRint): Don't call handler directly.
1220 (frvbf_store_quad_CPR): Don't call handler directly.
1221 (frvbf_clear_all_accumulators): Removed.
1222 (frvbf_clear_accumulators): New function.
1223 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1224 Account for in_ACCGi and out_ACCGk.
1225 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1226 (RSTR_SOFTWARE_RESET): New macro.
1227 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1228 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1229 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1230 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1231 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1232 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1233 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1234 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1235 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1236 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1237 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1238 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1239 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1240 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1241 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1242 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1243 (frvbf_clear_all_accumulators): Removed.
1244 (frvbf_clear_accumulators): New function.
1245 (GET_HSR0): Use GET_H_SPR.
1246 (SET_HSR0): Use SET_H_SPR.
1247 (CLEAR_HSR0_ICE): New macro.
1248 (CLEAR_HSR0_DCE): New macro.
1249 (GET_IHSR8): Use GET_H_SPR.
1250 (GET_PSR): New macro.
1251 (SET_PSR_ET): New macro.
1252 (GET_PSR_PS): New macro.
1253 (SET_PSR_S): New macro.
1254 (GET_ESFR): Changed to reference entire register.
1255 (SET_ESFR): Changed to reference entire register.
1256 (GET_ESFR_FLAG): New macro.
1257 (SET_ESFR_FLAG): New macro.
1258 (NECR_ELOS): Removed.
1259 (NECR_NEN): Removed.
1260 (NECR_VALID): Removed.
1261 (GET_NECR): New macro.
1262 (GET_NECR_ELOS): New macro.
1263 (GET_NECR_NEN): New macro.
1264 (GET_NECR_VALID): New macro.
1265 (NESR_RANGE): Removed.
1266 (GET_NESR): Use GET_H_SPR.
1267 (GET_NE_FLAGS): Use GET_H_SPR.
1268 * cache.h (CACHE_INITIALIZED): New macro.
1269 * Makefile.in (SIM_OBJS): Add registers.o.
1270 (SIM_EXTRA_DEPS): Add registers.h.
1271 (registers.o): New target.
1272 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1273
12742000-02-17 Dave Brolley <brolley@redhat.com>
1275
1276 * interrupts.c (frv_interrupt_table): Update priority order and handler
1277 offsets to conform to the architecture version 1.3a.
1278 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1279 to the architecture version 1.3a.
1280
12812000-02-17 Dave Brolley <brolley@redhat.com>
1282
1283 * interrupts.c (frv_interrupt_table): Update priority order and handler
1284 offsets to conform to the latest specifications.
1285 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1286 queued. New variable 'iclass' used to test for external interrupts.
1287 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1288 to the latest specifications.
1289
12902000-01-20 Dave Brolley <brolley@redhat.com>
1291
1292 * sim-if.c (sim_open): Move frv-specific initialization to
1293 frv_initialize in reset.c.
1294 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1295 status bits for hardware vs software reset.
1296 * reset.c: New file.
1297 * frv-sim.h (frv_initialize): New function.
1298 (frv_power_on_reset): New function.
1299 (frv_hardware_reset): New function.
1300 (frv_software_reset): New function.
1301 (RSTR_ADDRESS): New macro.
1302 (RSTR_INITIAL_VALUE): New macro.
1303 (GET_RSTR_HR): New macro.
1304 (GET_RSTR_SR): New macro.
1305 (SET_RSTR_H): New macro.
1306 (SET_RSTR_S): New macro.
1307 (CLEAR_RSTR_P): New macro.
1308 (CLEAR_RSTR_H): New macro.
1309 (CLEAR_RSTR_S): New macro.
1310 (CLEAR_RSTR_HR): New macro.
1311 (CLEAR_RSTR_SR): New macro.
1312
13132000-01-03 Dave Brolley <brolley@cygnus.com>
1314
1315 * mloop.in (execute): Only call modeling function if the pointer is not
1316 NULL.
1317 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1318 fr500.
1319
13202000-01-03 Dave Brolley <brolley@cygnus.com>
1321
1322 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1323 (frv_options): Add --memory-latency.
1324 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1325 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1326 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1327 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1328 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1329 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1330 (update_latencies): Only clear usage flags if the register has no
1331 target latency.
1332 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1333 not |= (or assgnment).
1334 (frvbf_model_insn_after): Print post processing wait for all insns.
1335 Update prev_acc_p1 and prev_acc_p2.
1336 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1337 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1338 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1339 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1340 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1341 (frvbf_model_fr500_u_media_quad_arith): New function.
1342 (frvbf_model_fr500_u_media_dual_mul): New function.
1343 (frvbf_model_fr500_u_media_quad_mul): New function.
1344 (frvbf_model_fr500_u_media_quad_complex): New function.
1345 (frvbf_model_fr500_u_media_dual_expand): New function.
1346 (frvbf_model_fr500_u_media_dual_unpack): New function.
1347 (frvbf_model_fr500_u_media_dual_btoh): New function.
1348 (frvbf_model_fr500_u_media_dual_htob): New function.
1349 (frvbf_model_fr500_u_media_dual_btohe): New function.
1350 (frv_ref_SI): New function.
1351 * cache.h (FRV_CACHE): Add memory_latency field.
1352 * cache.c (frv_cache_init): Initialize memory_latency.
1353 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1354
13551999-12-17 Dave Brolley <brolley@cygnus.com>
1356
1357 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1358 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1359 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1360 (OPTIONS_FRV_TIMER): New enumeration.
1361 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1362 (frv_option_handler): Override common implementation of -p. Handle
1363 --profile-cache, --profile-parallel, --timer.
1364 * mloop.in (execute): Call profiling functions if the timer interrupt
1365 is enabled.
1366 (@cpu@_simulate_insn_prefetch): New function.
1367 (main loop): Call @cpu@_simulate_insn_prefetch.
1368 * interrupts.c (frv_queue_interrupt): Don't queue two external
1369 interrupts of the same priority.
1370 (frv_queue_external_interrupt): New function.
1371 (frv_external_interrupt): New function.
1372 (handle_interrupt): Handle external interrupts.
1373 (check_reset): New function.
1374 (frv_process_interrupts): Call check_reset.
1375 * frv.c: Include "bfd.h"
1376 (frvbf_h_psr_get_handler): Set the PIL field.
1377 (frvbf_h_psr_set_handler): Get the PIL field.
1378 (DUAL_REG): New macro.
1379 (DUAL_DOUBLE): New macro.
1380 (SET_USE_IS_FPOP): New macro.
1381 (SET_USE_NOT_FPOP): New macro.
1382 (USE_IS_FPOP): New macro.
1383 (SET_USE_IS_MEDIA): New macro.
1384 (SET_USE_NOT_MEDIA): New macro.
1385 (USE_IS_MEDIA_P1): New macro.
1386 (SET_USE_IS_MEDIA_P1): New macro.
1387 (SET_USE_NOT_MEDIA_P1): New macro.
1388 (SET_USE_IS_MEDIA_P2): New macro.
1389 (SET_USE_NOT_MEDIA_P2): New macro.
1390 (USE_IS_MEDIA_P2): New macro.
1391 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1392 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1393 (ACC_USE_IS_MEDIA_P1): New macro.
1394 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1395 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1396 (ACC_USE_IS_MEDIA_P2): New macro.
1397 (RESOURCE_IDIV): New macro.
1398 (RESOURCE_FDIV): New macro.
1399 (RESOURCE_SQRT): New macro.
1400 (fr_busy_adjust): New array.
1401 (acc_busy_adjust): New array.
1402 (apply_latency_adjustments): New function.
1403 (update_latencies): New function.
1404 (handle_wait_cycles): New function.
1405 (handle_resource_wait): New function.
1406 (update_target_latencies): New function.
1407 (frvbf_model_insn_before): Add resource latency to cycle counts.
1408 (frvbf_model_insn_after): Add resource latency to cycle counts.
1409 (update_GR_latency): New function.
1410 (update_GRdouble_latency): New function.
1411 (update_FR_latency): New function.
1412 (update_FRdouble_latency): New function.
1413 (decrease_ACC_busy): New function.
1414 (decrease_FR_busy): New function.
1415 (increase_FR_busy): New function.
1416 (update_ACC_latency): New function.
1417 (update_CCR_latency): New function.
1418 (update_idiv_resource_latency): New function.
1419 (update_fdiv_resource_latency): New function.
1420 (update_fsqrt_resource_latency): New function.
1421 (vliw_wait_for_GR): New function.
1422 (vliw_wait_for_GRdouble): New function.
1423 (vliw_wait_for_FR): New function.
1424 (vliw_wait_for_FRdouble): New function.
1425 (vliw_wait_for_CCR): New function.
1426 (vliw_wait_for_ACC): New function.
1427 (vliw_wait_for_idiv_resource): New function.
1428 (vliw_wait_for_fdiv_resource): New function.
1429 (vliw_wait_for_fsqrt_resource): New function.
1430 (enforce_full_fr_latency): New function.
1431 (frvbf_model_fr500_u_exec): New function.
1432 (frvbf_model_fr500_u_integer): New function.
1433 (frvbf_model_fr500_u_imul): New function.
1434 (frvbf_model_fr500_u_idiv): New function.
1435 (frvbf_model_fr500_u_branch): New function.
1436 (frvbf_model_fr500_u_set_hilo): New function.
1437 (frvbf_model_fr500_u_gr_load_store): New function.
1438 (frvbf_model_fr500_u_fr_load_store): New function.
1439 (frvbf_model_fr500_u_swap): New function.
1440 (frvbf_model_fr500_u_fr2fr): New function.
1441 (frvbf_model_fr500_u_fr2gr): New function.
1442 (frvbf_model_fr500_u_spr2gr): New function.
1443 (frvbf_model_fr500_u_gr2fr): New function.
1444 (frvbf_model_fr500_u_gr2spr): New function.
1445 (post_wait_for_FR): New function.
1446 (post_wait_for_FRdouble): New function.
1447 (post_wait_for_ACC): New function.
1448 (post_wait_for_CCR): New function.
1449 (post_wait_for_fdiv): New function.
1450 (post_wait_for_fsqrt): New function.
1451 (adjust_float_register_busy): New function.
1452 (adjust_double_register_busy): New function.
1453 (restore_float_register_busy): New function.
1454 (restore_double_register_busy): New function.
1455 (frvbf_model_fr500_u_float_arith): New function.
1456 (frvbf_model_fr500_u_float_dual_arith): New function.
1457 (frvbf_model_fr500_u_float_div): New function.
1458 (frvbf_model_fr500_u_float_sqrt): New function.
1459 (frvbf_model_fr500_u_float_compare): New function.
1460 (frvbf_model_fr500_u_float_dual_compare): New function.
1461 (frvbf_model_fr500_u_float_convert): New function.
1462 (frvbf_model_fr500_u_media): New function.
1463 (frvbf_model_fr500_u_barrier): New function.
1464 (frvbf_model_fr500_u_membar): New function.
1465 * frv-sim.h (LEUINT): New macro.
1466 (GET_HSR0_SA): New macro.
1467 (struct frv_interrupt_timer): New struct.
1468 (struct frv_interrupt_state): Add timer fiield.
1469 (frv_queue_external_interrupt): New function.
1470 (frv_external_interrupt): New function.
1471 (frv_profile_info): New function.
1472 (PROFILE_CACHE_IDX): New enumerator.
1473 (PROFILE_PARALLEL_IDX): New enumerator.
1474 (PROFILE_cache): New macro.
1475 (PROFILE_parallel): New macro.
1476 (WITH_PROFILE_CACHE_P): New macro.
1477 (WITH_PROFILE_PARALLEL_P): New macro.
1478 * cache.h (FRV_CACHE): Add last_was_hit field.
1479 * cache.c (get_tag): Use new last_was_hit field.
1480 (frv_cache_read): Ditto.
1481 (frv_cache_write): Ditto.
1482 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1483
14841999-12-13 Dave Brolley <brolley@cygnus.com>
1485
1486 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1487 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1488 sim_queue_fn_di_write.
1489 (frvbf_media_cut_ss): New function.
1490 * frv-sim.h (frvbf_media_cut_ss): New function.
1491 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1492
14931999-12-13 Dave Brolley <brolley@cygnus.com>
1494
1495 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1496 no constraints.
1497 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1498 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1499 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1500 FRV_IS_MEDIA_INSN.
1501 * frv.c (frvbf_model_simple_u_exec): New function.
1502 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1503 (FRV_IS_MEDIA_INSN): Range includes M-8.
1504
1505 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1506 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1507 Regenerate.
1508
15091999-12-10 Dave Brolley <brolley@cygnus.com>
1510
1511 * traps.c (check_registers_available): New function.
1512 (clear_ne_flags): Generate register_exception if register(s) not
1513 available.
1514 (frvbf_commit): Generate register_exception if register(s) not
1515 available.
1516 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1517 GR4-GR7 to SR0-SR4.
1518 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1519 PSR.ESR.
1520 (frvbf_h_psr_s_set_handler): New function.
1521 (frvbf_h_psr_esr_set_handler): New function.
1522 (frvbf_switch_supervisor_user_context): New function.
1523 (frvbf_scan_result): Reflect latest ISA.
1524 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1525 (frvbf_h_psr_esr_set_handler): New function.
1526 (frvbf_switch_supervisor_user_context): New function.
1527 (GET_HSR0_FRN): New Macro.
1528 (GET_HSR0_GRN): New Macro.
1529 (GET_HSR0_FRHE): New Macro.
1530 (GET_HSR0_FRLE): New Macro.
1531 (GET_HSR0_GRHE): New Macro.
1532 (GET_HSR0_GRLE): New Macro.
1533 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1534 (GET_ESFR): New bit ordering.
1535 (SET_ESFR): New bit ordering.
1536 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1537
15381999-12-10 Michael Meissner <meissner@cygnus.com>
1539
1540 * Makefile.in (sim-if.o): Add eng.h dependency.
1541
15421999-12-09 Dave Brolley <brolley@cygnus.com>
1543
1544 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1545 Pass sc->last_insn_p to @cpu@_model_insn_before.
1546 (main loop): Compute sc->first_insn_p.
1547 * frv.c (frvbf_model_insn_before): Set state variables.
1548 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1549 (frvbf_model_fr500_u_integer): Remove.
1550 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1551
15521999-12-07 Dave Brolley <brolley@cygnus.com>
1553
1554 * sim-main.h (cache.h): Include it.
1555 (insn_cache): New member.
1556 (data_cache): New member.
1557 (CPU_INSN_CACHE): New macro.
1558 (CPU_DATA_CACHE): New macro.
1559 * sim-if.c (WANT_CPU): New macro.
1560 (WANT_CPU_FRVBF): New macro.
1561 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1562 data and insn caches for each cpu.
1563 (sim_close): Call frv_cache_term for the insn and data caches of each
1564 cpu.
1565 * mloop.in (extract): Read insn from the cache.
1566 (main loop): Access the insn cache in order to maintain stats.
1567 * memory.c (data_non_cache_access): New function.
1568 (insn_non_cache_access): New function.
1569 (frvbf_read_mem_QI): Attempt to read from the cache first.
1570 (frvbf_read_mem_UQI): Ditto.
1571 (frvbf_read_mem_HI): Ditto.
1572 (frvbf_read_mem_UHI): Ditto.
1573 (frvbf_read_mem_SI): Ditto.
1574 (frvbf_read_mem_DI): Ditto.
1575 (frvbf_read_mem_DF): Ditto.
1576 (frvbf_read_imem_USI): New function.
1577 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1578 (frvbf_write_mem_UQI): Ditto.
1579 (frvbf_write_mem_HI): Ditto.
1580 (frvbf_write_mem_UHI): Ditto.
1581 (frvbf_write_mem_SI): Ditto.
1582 (frvbf_write_mem_DI): Ditto.
1583 (frvbf_write_mem_DF): Ditto.
1584 (frvbf_mem_set_QI): New function.
1585 (frvbf_mem_set_HI): New function.
1586 (frvbf_mem_set_SI): New function.
1587 (frvbf_mem_set_DI): New function.
1588 (frvbf_mem_set_DF): New function.
1589 (frvbf_mem_set_XI): New function.
1590 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1591 CGEN_FN_MEM_QI_WRITE,
1592 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1593 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1594 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1595 Call sim_queue_fn_mem_xi_write.
1596 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1597 Call sim_queue_fn_mem_xi_write.
1598 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1599 Call sim_queue_fn_mem_xi_write.
1600 (frvbf_insn_cache_preload): New function.
1601 (frvbf_data_cache_preload): New function.
1602 (frvbf_insn_cache_unlock): New function.
1603 (frvbf_data_cache_unlock): New function.
1604 (frvbf_insn_cache_invalidate): New function.
1605 (frvbf_data_cache_invalidate): New function.
1606 (frvbf_data_cache_flush): New function.
1607 * frv-sim.h (sim-options.h): Include it.
1608 (GET_HSR0): New macro.
1609 (SET_HSR0): New macro.
1610 (GET_HSR0_ICE): New macro.
1611 (SET_HSR0_ICE): New macro.
1612 (GET_HSR0_DCE): New macro.
1613 (SET_HSR0_DCE): New macro.
1614 (GET_HSR0_CBM): New macro.
1615 (GET_HSR0_RME): New macro.
1616 (GET_IHSR8): New macro.
1617 (GET_IHSR8_NBC): New macro.
1618 (frvbf_insn_cache_preload): New function.
1619 (frvbf_data_cache_preload): New function.
1620 (frvbf_insn_cache_unlock): New function.
1621 (frvbf_data_cache_unlock): New function.
1622 (frvbf_insn_cache_invalidate): New function.
1623 (frvbf_data_cache_invalidate): New function.
1624 (frvbf_data_cache_flush): New function.
1625 (insn_non_cache_access): New function.
1626 (frvbf_read_imem_USI): New function.
1627 (frvbf_mem_set_QI): New function.
1628 (frvbf_mem_set_HI): New function.
1629 (frvbf_mem_set_SI): New function.
1630 (frvbf_mem_set_DI): New function.
1631 (frvbf_mem_set_DF): New function.
1632 (frvbf_mem_set_XI): New function.
1633 (frv_options): FRV specific command line options.
1634 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1635 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1636 (cache.o): New target.
1637 (options.o): New target.
1638 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1639 * cache.h: New file.
1640 * cache.c: New file.
1641 * options.c: New file.
1642
16431999-11-29 Dave Brolley <brolley@cygnus.com>
1644
1645 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1646 (frvbf_check_non_excepting_divide): Ditto.
1647 (clear_ne_flags): Ditto
1648 (frvbf_commit): Ditto.
1649 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1650 * mloop.in (_parallel_write_init): Clear NE flags here.
1651 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1652 for non excepting insns. Also check for masked interrupts here.
1653 (frv_process_interrupts): Write NE flags here.
1654 (set_fp_exception_registers): No longer check for masked interrupts
1655 here.
1656 (check_for_compound_interrupt): No need to worry about masked
1657 interrupts.
1658 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1659 (GET_NE_FLAGS): New macro.
1660 (SET_NE_FLAGS): New macro.
1661 (GET_NE_FLAG): Operate on accumulated argument.
1662 (SET_NE_FLAG): Operate on accumulated argument.
1663 (CLEAR_NE_FLAG): Operate on accumulated argument.
1664 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1665 (frv.o): Correct dependencies.
1666 (traps.o): Ditto.
1667 (pipeline.o): Ditto.
1668 (interrupts.o): Ditto.
1669 (memory.o): Ditto.
1670 * sem.c: Regenerate.
1671
16721999-11-26 Dave Brolley <brolley@cygnus.com>
1673
1674 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1675 there is an exception indicated in the mask.
1676 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1677 state when adding a floating point insn to the pipeline.
1678 * interrupts.c (set_fp_exception_registers): Set NE flag for
1679 non-excepting insns.
1680 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1681 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1682 (frvbf_h_fr_int_get_handler): New function.
1683 (frvbf_h_fr_int_set_handler): New function.
1684 (frvbf_set_ne_index): New function.
1685 (NE_NOFLAG): New macro.
1686 (frv_interrupt_state): Add ne_index member.
1687 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1688 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1689 (frvbf_h_fr_int_get_handler): New function.
1690 (frvbf_h_fr_int_set_handler): New function.
1691 (frvbf_set_ne_index): New function.
1692 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1693
16941999-11-24 Dave Brolley <brolley@cygnus.com>
1695
1696 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1697
16981999-11-23 Dave Brolley <brolley@cygnus.com>
1699
1700 * frv-sim.h (frvbf_media_cut): New function.
1701 * frv.c (frvbf_media_cut): New function.
1702 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1703
17041999-11-22 Dave Brolley <brolley@cygnus.com>
1705
1706 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1707 * frv.c.h (frvbf_clear_all_accumulators): New function.
1708 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1709
17101999-11-18 Dave Brolley <brolley@cygnus.com>
1711
1712 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1713 if this is the first insn of its class in the pipeline.
1714 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1715 * traps.c (frvbf_media_register_not_aligned): New function.
1716 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1717
17181999-11-17 Dave Brolley <brolley@cygnus.com>
1719
1720 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1721 * frv-sim.h (OR_MSR_SIE): New macro.
1722 (CLEAR_MSR_SIE): New macro.
1723 (frvbf_media_overflow): Now takes sie argument.
1724 (frv_set_mp_exception_registers): Now takes sie argument.
1725 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1726 Set MSRx.SIE field.
1727 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1728
17291999-11-15 Dave Brolley <brolley@cygnus.com>
1730
1731 * traps.c (frv_mtrap): New function.
1732 (frvbf_media_cr_not_aligned): New function.
1733 (frvbf_media_acc_not_aligned): New function.
1734 (frvbf_media_overflow): New function.
1735 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1736 * interrupts.c: Call frv_set_mp_exception_registers.
1737 (frv_set_mp_exception_registers): New function.
1738 * frv-sim.h (frv_msr_mtt): New enumeration.
1739 (GET_MSR): New macro.
1740 (SET_MSR): New macro.
1741 (GET_MSR_AOVF): New macro.
1742 (SET_MSR_AOVF): New macro.
1743 (GET_MSR_OVF): New macro.
1744 (SET_MSR_OVF): New macro.
1745 (CLEAR_MSR_OVF): New macro.
1746 (GET_MSR_MTT): New macro.
1747 (SET_MSR_MTT): New macro.
1748 (frv_set_mp_exception_registers): New function.
1749 (frv_mtrap): New function.
1750 (FRV_IS_MEDIA_INSN): New macro.
1751 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1752
17531999-11-10 Dave Brolley <brolley@cygnus.com>
1754
1755 * sim-main.h (_sim_cpu): Add debug_state member.
1756 * mloop.in (_parallel_write_queued): Clear data_written.length.
1757 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1758 handler is 0xff.
1759 (frv_queue_break_interrupt): New function.
1760 (frv_break_interrupt): New function.
1761 (handle_interrupt): Handle break_interrupt.
1762 (frv_non_operating_interrupt): Now takes interrupt_kind.
1763 * frv-sim.h (frv_queue_break_interrupt): New function.
1764 (frv_break_interrupt): New function.
1765 (frv_break): New function.
1766 (frv_non_operating_interrupt): Now takes interrupt_kind.
1767 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1768
17691999-11-09 Dave Brolley <brolley@cygnus.com>
1770
1771 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1772 a floating point insn.
1773 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1774 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1775 frv_queue_fp_exception_interrupt.
1776 (frv_queue_fp_exception_interrupt): New function.
1777 (next_available_fq): New function.
1778 (set_fp_exception_registers): New function.
1779 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1780 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1781 (frv_program_interrupt): Don't process interrupt if it is masked.
1782 * frv.c (frvbf_h_fr_double_get_handler): Call
1783 frv_queue_fp_exception_interrupt.
1784 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1785 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1786 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1787 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1788 (frv_fp_exception_info): New struct type.
1789 (frv_interrupt_queue_element): Add fp_info member.
1790 (frv_fsr_traps): New enumeration.
1791 (frv_fsr_ftt): New enumeration.
1792 (frv_sie): New enumeration.
1793 (frv_miv): New enumeration.
1794 (GET_FSR): New macro.
1795 (SET_FSR): New macro.
1796 (GET_FSR_TEM): New macro.
1797 (SET_FSR_QNE): New macro.
1798 (SET_FSR_FTT): New macro.
1799 (GET_FSR_AEXC): New macro.
1800 (SET_FSR_AEXC): New macro.
1801 (GET_FQ): New macro.
1802 (SET_FQ): New macro.
1803 (SET_FQ_OPC): New macro.
1804 (SET_FQ_MIV): New macro.
1805 (SET_FQ_SIE): New macro.
1806 (SET_FQ_FTT): New macro.
1807 (SET_FQ_CEXC): New macro.
1808 (GET_FQ_VALID): New macro.
1809 (SET_FQ_VALID): New macro.
1810 (frv_queue_fp_exception_interrupt): New function.
1811 (FRV_IS_FLOAT_INSN): New macro.
1812
18131999-11-04 Dave Brolley <brolley@cygnus.com>
1814
1815 * traps.c (frvbf_fpu_error): No floating point errors need to be
1816 detected.
1817 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1818 of the ESR registers too.
1819 (set_exception_status_registers): Don't set EAR for any precise
1820 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1821 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1822 (non_operating_interrupt): No need for return code.
1823 (frv_program_or_software_interrupt): Process interrupt regardless
1824 of operating mode. If PSR.ET was not set at the start of processing,
1825 then stop the simulation with a message.
1826 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1827 CGEN_MEM_XI_WRITE.
1828 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1829 (frvbf_h_fr_quad_set_handler): New function.
1830 (frvbf_h_cpr_quad_set_handler): New function.
1831 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1832 sim_queue_fn_xi_write.
1833 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1834 sim_queue_fn_xi_write.
1835 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1836 sim_queue_fn_xi_write.
1837 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1838 sim_queue_mem_xi_write.
1839 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1840 sim_queue_mem_xi_write.
1841 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1842 sim_queue_mem_xi_write.
1843 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1844 (frvbf_h_fr_quad_set_handler): New function.
1845 (frvbf_h_cpr_quad_set_handler): New function.
1846 (SET_ESR_VALID): New macro.
1847 (CLEAR_ESR_VALID): New macro.
1848 (CLEAR_ESR_EAV): New macro.
1849 (CLEAR_ESR_EDV): New macro.
1850 * sem.c: Regenerate.
1851
18521999-11-02 Dave Brolley <brolley@cygnus.com>
1853
1854 * traps.c (frv_core_signal): Call
1855 frv_queue_mem_address_not_aligned_interrupt.
1856 * mloop.in (_parallel_write_queued): Call
1857 frv_save_data_written_for_interrupts.
1858 * frv.c (frvbf_h_gr_double_get_handler): Call
1859 frv_queue_register_exception_interrupt.
1860 (frvbf_h_cpr_double_get_handler): Call
1861 frv_queue_register_exception_interrupt.
1862 (frvbf_h_cpr_double_set_handler): Call
1863 frv_queue_register_exception_interrupt.
1864 (frvbf_load_multiple_GR): Call
1865 frv_queue_register_exception_interrupt.
1866 (frvbf_store_multiple_GR): Call
1867 frv_queue_register_exception_interrupt.
1868 (frvbf_load_multiple_CPR): Call
1869 frv_queue_register_exception_interrupt.
1870 (frvbf_store_multiple_CPR): Call
1871 frv_queue_register_exception_interrupt.
1872 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1873 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1874 queue element.
1875 (frv_queue_program_interrupt): Now returns interrupt queue element.
1876 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1877 element.
1878 (frv_queue_interrupt): Now returns interrupt queue element.
1879 (frv_queue_register_exception_interrupt): New function.
1880 (frv_queue_mem_address_not_aligned_interrupt): New function.
1881 (frv_save_data_written_for_interrupts): New function.
1882 (next_available_edr): EDR registers available in blocks of 4.
1883 (clear_exception_status_registers): New function.
1884 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1885
1886 * frv-sim.h (struct frv_data_written): New struct type.
1887 (frv_interrupt_queue_element): Add data_written member.
1888 (frv_queue_software_interrupt): Now returns interrupt queue element.
1889 (frv_queue_program_interrupt): Now returns interrupt queue element.
1890 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1891 element.
1892 (frv_queue_interrupt): Now returns interrupt queue element.
1893 (frv_queue_register_exception_interrupt): New function.
1894 (frv_queue_mem_address_not_aligned_interrupt): New function.
1895 (frv_save_data_written_for_interrupts): New function.
1896
18971999-10-27 Dave Brolley <brolley@cygnus.com>
1898
1899 * interrupts.c (ITABLE_ENTRY): New macro.
1900 (frv_interrupt_table): Add exception codes.
1901 (next_available_esr): New function.
1902 (next_available_edr): New function.
1903 (set_edr_register): New function.
1904 (set_exception_status_registers): New function.
1905 (check_for_compound_interrupt): Record information on all interrupts
1906 found.
1907 (frv_program_interrupt): Always call check_for_compound_interrupt.
1908 * frv.c (frvbf_h_pc_set_handler): Removed.
1909 (frvbf_h_spr_get_handler): Handle LR register.
1910 (frvbf_h_spr_set_handler): Handle LR register.
1911 (frvbf_h_lr_get_handler): New function.
1912 (frvbf_h_lr_set_handler): New function.
1913 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1914 (frvbf_h_lr_set_handler): New function.
1915 (frv_ec): New enumeration.
1916 (frv_interrupt): Add frv_ec field.
1917 (frv_rec): New enumeration.
1918 (frv_daec): New enumeration.
1919 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1920 (SET_ESR_EC): New macro.
1921 (SET_ESR_REC): New macro.
1922 (SET_ESR_IAEC): New macro.
1923 (SET_ESR_DAEC): New macro.
1924 (SET_ESR_EAV): New macro.
1925 (GET_ESR_EDV): New macro.
1926 (SET_ESR_EDV): New macro.
1927 (GET_ESR_EDN): New macro.
1928 (SET_ESR_EDN): New macro.
1929 (GET_ESR): New macro.
1930 (SET_ESR): New macro.
1931 (SET_EPCR): New macro.
1932 (SET_EAR): New macro.
1933 (SET_EDR): New macro.
1934 (GET_ESFR): New macro.
1935 (SET_ESFR): New macro.
1936 * cpu.c,cpu.h,sem.c: Rebuild.
1937
19381999-10-26 Dave Brolley <brolley@cygnus.com>
1939
1940 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1941 if mach is frv.
1942 (clear_nesr_neear): Only execute if mach is frv.
1943
19441999-10-22 Dave Brolley <brolley@cygnus.com>
1945
1946 * sim-main.h (sim_cpu): Add pipeline.
1947 (CPU_PIPELINE): New macro.
1948 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1949 (main loop): Maintain pc in cpu.
1950 * frv-sim.h (frv_queue_software_interrupt): New interface.
1951 (frv_queue_program_interrupt): New interface.
1952 (frv_queue_illegal_instruction_interrupt: New interface.
1953 (frv_queue_interrupt): New interface.
1954 (frv_detect_insn_access_interrupts): New interface.
1955 (frv_process_interrupts): New interface.
1956 (frv_program_interrupt): New interface.
1957 (frv_software_interrupt): New interface.
1958 (frv_program_or_software_interrupt): New interface.
1959 (FRV_PIPELINE): Moved from pipline.c.
1960 (frv_pipeline_reset): New interface.
1961 (frv_pipeline_add_insn): New interface.
1962 * interrupts.c (frv_queue_software_interrupt): New interface.
1963 (frv_queue_program_interrupt): New interface.
1964 (frv_queue_illegal_instruction_interrupt: New interface.
1965 (frv_queue_interrupt): New interface.
1966 (frv_detect_insn_access_interrupts): New interface.
1967 (frv_process_interrupts): New interface.
1968 (frv_program_interrupt): New interface.
1969 (frv_software_interrupt): New interface.
1970 (frv_program_or_software_interrupt): New interface.
1971 * frv.c: Use new interfaces.
1972 * pipeline.c: Use new interfaces.
1973 * traps.c: Use new interfaces.
1974 * memory.c: Use new interfaces.
1975 (frv_address_forbidden): No longer static.
1976
19771999-10-19 Dave Brolley <brolley@cygnus.com>
1978
1979 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1980 NESR.EC.
1981 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1982 * frv.c (frvbf_h_pc_set_handler): New function.
1983 * interrupts.c (frv_detect_data_interrupt): Removed.
1984 (address_forbidden): Removed.
1985 * frv-sim.h (frv_detect_data_interrupt): Removed.
1986 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1987 (NESR_REGISTER_NOT_ALIGNED): New macro.
1988 (NESR_UQI_SIZE): New macro.
1989 (NESR_QI_SIZE): New macro.
1990 (NESR_UHI_SIZE): New macro.
1991 (NESR_HI_SIZE): New macro.
1992 (NESR_SI_SIZE): New macro.
1993 (NESR_DI_SIZE): New macro.
1994 (NESR_XI_SIZE): New macro.
1995 (GET_NESR_DAEC): New macro.
1996 (SET_NESR_DAEC): New macro.
1997 (GET_NESR_REC): New macro.
1998 (SET_NESR_REC): New macro.
1999 (GET_NESR_EC): New macro.
2000 (SET_NESR_EC): New macro.
2001 (frvbf_read_mem_QI): New function.
2002 (frvbf_read_mem_UQI): New function.
2003 (frvbf_read_mem_HI): New function.
2004 (frvbf_read_mem_UHI): New function.
2005 (frvbf_read_mem_SI): New function.
2006 (frvbf_read_mem_WI): New function.
2007 (frvbf_read_mem_DI): New function.
2008 (frvbf_read_mem_DF): New function.
2009 (frvbf_write_mem_QI): New function.
2010 (frvbf_write_mem_UQI): New function.
2011 (frvbf_write_mem_HI): New function.
2012 (frvbf_write_mem_UHI): New function.
2013 (frvbf_write_mem_SI): New function.
2014 (frvbf_write_mem_WI): New function.
2015 (frvbf_write_mem_DI): New function.
2016 (frvbf_write_mem_DF): New function.
2017 * Makefile.in (SIM_OBJS): Add memory.o.
2018 * cpu.c,cpu.h,sem.c: Rebuild.
2019
20201999-10-18 Dave Brolley <brolley@cygnus.com>
2021
2022 * sim-if.c (sim_open): Use a real fpu error function.
2023 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2024 * mloop.in (_parallel_write_queued): Clear queue after writing.
2025 * interrupts.c (check_for_compound_interrupt): New function.
2026 (non_operating_interrupt): New function.
2027 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2028 (frvbf_h_gr_double_set_handler): New function.
2029 (frvbf_h_fr_double_get_handler): New function.
2030 (frvbf_h_fr_double_set_handler): New function.
2031 (frvbf_h_cpr_double_get_handler): New function.
2032 (frvbf_h_cpr_double_set_handler): New function.
2033 (frv_interrupt_queue_element): New struct type.
2034 (frv_queue_program_interrupt): Now takes pc.
2035 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2036 (frv_queue_interrupt): Now takes pc.
2037 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2038 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2039 (frvbf_division_exception): New function.
2040 (frvbf_fpu_error): New function.
2041 (frvbf_load_multiple_GR): New function.
2042 (frvbf_load_multiple_FR): New function.
2043 (frvbf_load_multiple_CPR): New function.
2044 * frv.c (frvbf_h_gr_double_get_handler): New function.
2045 (frvbf_h_gr_double_set_handler): New function.
2046 (frvbf_h_fr_double_get_handler): New function.
2047 (frvbf_h_fr_double_set_handler): New function.
2048 (frvbf_h_cpr_double_get_handler): New function.
2049 (frvbf_h_cpr_double_set_handler): New function.
2050 (frv_interrupt_queue_element): New struct type.
2051 (frv_queue_program_interrupt): Now takes pc.
2052 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2053 (frv_queue_interrupt): Now takes pc.
2054 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2055 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2056 (frvbf_fpu_error): New function.
2057 (frvbf_load_multiple_GR): New function.
2058 (frvbf_load_multiple_FR): New function.
2059 (frvbf_load_multiple_CPR): New function.
2060 * traps.c (frvbf_division_exception): New function.
2061 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2062
20631999-10-12 Dave Brolley <brolley@cygnus.com>
2064
2065 * mloop.in (new_vpc): New variable.
2066 (main loop): Call frv_detect_insn_access_interrupts. Call
2067 frv_detect_data_interrupts.
2068 * interrupts.c (access_queued_to): New function.
2069 (frv_detect_data_interrupts): New function.
2070 (frv_detect_insn_access_interrupts): New function.
2071 (frv_program_or_software_interrupt): Set PSR.S.
2072 * frv-sim.h (frv_detect_data_interrupts): New function.
2073 (frv_detect_insn_interrupts): New function.
2074
20751999-10-07 Dave Brolley <brolley@cygnus.com>
2076
2077 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2078 (frvbf_h_gr_hi_set_handler): New function.
2079 (frvbf_h_gr_lo_get_handler): New function.
2080 (frvbf_h_gr_lo.set_handler): New function.
2081 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2082 (frvbf_h_gr_hi_set_handler): New function.
2083 (frvbf_h_gr_lo_get_handler): New function.
2084 (frvbf_h_gr_lo.set_handler): New function.
2085 (frvbf_model_fr500_u_integer): New function.
2086 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2087
20881999-10-04 Dave Brolley <brolley@cygnus.com>
2089
2090 * traps.c: Use sim_engine_abort.
2091 * pipeline.c (frv_pipeline): Add field for insn major.
2092 (add_next_to_pipe): Return address of matching pipeline.
2093 (find_major_in_pipeline): New function.
2094 (check_insn_major_constraints: New function.
2095 (frv_pipeline_add_insn): Add checks for insn major constraints.
2096 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2097 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2098
2099Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2100
2101 * pipeline.c: New file.
2102 * mloop.in (main loop): Call frv_pipeline_reset.
2103 Call frv_pipeline_add_insn.
2104 * frv-sim.h (frv_pipeline_reset): New function.
2105 (frv_pipeline_add_insn): New function.
2106 * Makefile.in (SIM_OBJS): Add pipeline.o
2107
21081999-09-29 Doug Evans <devans@casey.cygnus.com>
2109
2110 * sem.c: Rebuild.
2111 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2112 result to SEM_PC. Return vpc.
2113
2114Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2115
2116 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2117 (frv_queue_interrupt): Don't detect identical interrupts here.
2118
2119Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2120
2121 * interrupts.c: New file.
2122 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2123 (frv_software_interrupt): Moved to interrupts.c.
2124 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2125 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2126 (@cpu@_perform_writeback): New function.
2127 (main loop): Call frv_process_interrupts.
2128 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2129 (frv_itrap): New interface.
2130 (frv_interrupt_class): New enumeration.
2131 (frv_interrupt_kind): New enumeration.
2132 (struct frv_interrupt): New struct type.
2133 (frv_interrupt_table): New table of interrupt information.
2134 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2135 (struct frv_interrupt_state): New struct type.
2136 (frv_interrupt_state): New global variable.
2137 (previous_vliw_pc): New global variable.
2138 (frv_queue_software_interrupt): New function.
2139 (frv_queue_program_interrupt): New function.
2140 (frv_queue_interrupt): New function.
2141 (frv_process_interrupts): New function.
2142 (frv_program_interrupt): New function.
2143 (frv_software_interrupt): New function.
2144 (frv_program_or_software_interrupt): New function.
2145 (frv_clear_interrupt_classes): New function.
2146 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2147 * Makefile.in (SIM_OBJS): Add interrupts.o
2148 * sem.c: Rebuild.
2149
21501999-09-25 Doug Evans <devans@casey.cygnus.com>
2151
2152 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2153
2154Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2155
2156 * mloop.in (main loop): Determine last insn from scache entry.
2157 * cpu.h: Rebuild.
2158 * cpuall.h: Rebuild.
2159
2160Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2161
2162 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2163 (NECR_ELOS): Define as unshifted value.
2164 (NECR_NEN): Define as unshifted value.
2165 (NECR_VALID): Define as unshifted value.
2166 (SET_NESR): Rewite to use post-write queue.
2167 (SET_NESR_VALID): Rewite to operate on argument.
2168 (SET_NESR_EAV): Rewite to operate on argument.
2169 (SET_NESR_FR): Rewite to operate on argument.
2170 (CLEAR_NESR_FR): Rewite to operate on argument.
2171 (SET_NESR_DRN): Rewite to operate on argument.
2172 (SET_NESR_SIZE): Rewite to operate on argument.
2173 (SET_NESR_NEAN): Rewite to operate on argument.
2174 (SET_NEEAR): Rewite to use post-write queue.
2175 (SET_NE_FLAG): Rewite to use post-write queue.
2176 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2177 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2178 (frv_rett): Rewite to use post-write queue.
2179 (next_available_nesr): Rewrite to use new macro interfaces.
2180 (next_valid_nesr): Ditto.
2181 (frvbf_check_non_excepting_load): Ditto.
2182 (frvbf_check_recovering_store): Ditto.
2183 (clear_nesr_neear): Ditto.
2184 (clear_ne_flags): Ditto.
2185 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2186 when flag is set.
2187 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2188 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2189 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2190 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2191 * Makefile.in (frv.o): Depend on cgen-par.h.
2192
2193Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2194
2195 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2196 (frvbf_write_next_vliw_addr_to_LR): New flag.
2197 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2198 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2199 address of the next VLIW insn if flag is set.
2200 * cpu.h,decode.c,sem.c: Rebuild.
2201
2202Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2203
2204 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2205 * sem.c: Rebuild.
2206
22071999-09-02 Doug Evans <devans@casey.cygnus.com>
2208
2209 * configure: Regenerated to track ../common/aclocal.m4 changes.
2210
22111999-09-01 Doug Evans <devans@casey.cygnus.com>
2212
2213 * decode.c: Rebuild.
2214
2215Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2216
2217 * traps.c (frv_rett): New function.
2218 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2219 (frvbf_h_spr_set_handler): Handle bpsr.
2220 (frvbf_h_bpsr_get_handler): New function.
2221 (frvbf_h_bpsr_set_handler): New function.
2222 * frv-sim.h (frv_rett): New function.
2223 (frvbf_h_bpsr_get_handler): New function.
2224 (frvbf_h_bpsr_set_handler): New function.
2225 * mloop.in: Read actual packing bit.
2226 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2227
2228Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2229
2230 * traps.c (WANT_CPU): New macro.
2231 (WANT_CPU_FRVBF): New macro.
2232 (frvbf_check_recovering_store): Use registers for source and queue
2233 writes.
2234 * mloop.in: New main loop for parallel support.
2235 (@cpu@_parallel_write_init): New function.
2236 (@cpu@_parallel_write_queued): New function.
2237 * frv-sim.h (set_icc_for_shift_left): New interface.
2238 (set_icc_for_shift_right): New interface.
2239 (frvbf_check_recovering_store): New interface.
2240 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2241 (set_icc_for_shift_right): Pass and return icc value.
2242 (frvbf_check_recovering_store): New interface.
2243 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2244 (stamp-mloop): Add cgen parallel options.
2245 (stamp-arch): Remove with-profile option.
2246 (stamp-cpu): Add cgen parallel options.
2247 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2248
22491999-08-28 Doug Evans <devans@casey.cygnus.com>
2250
2251 * cpu.h,decode.c,sem.c: Rebuild.
2252
2253Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2254
2255 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2256
2257Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2258
2259 * configure.in: fr500 now the default model.
2260 * configure: Regenerate.
2261 * frv.c: Change frv-1 to frv-gen.
2262 (frvbf_model_fr500_u_exec): New function.
2263 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2264 * mloop.in: Fix typos in comments.
2265 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2266
22671999-08-17 Dave Brolley <brolley@cygnus.com>
2268
2269 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2270
22711999-08-09 Doug Evans <devans@casey.cygnus.com>
2272
2273 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2274
22751999-08-04 Doug Evans <devans@casey.cygnus.com>
2276
2277 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2278
2279Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2280
2281 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2282 (frvbf_store_register): Use GDB register number macros.
2283 (frvbf_cut): New function.
2284 * frv-sim.h (GR_REGNUM_MAX): New macro.
2285 (FR_REGNUM_MAX): New macro.
2286 (PC_REGNUM): New macro.
2287 (LR_REGNUM): New macro.
2288 (frvbf_cut): New function.
2289 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2290
22911999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2292
2293 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2294 add default for unhandled registers.
2295 (frvbf_store_register): Add ability to set LR register.
2296
22971999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2298
2299 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2300 (decode_gdb_dr_regnum): Remove, not used.
2301
23021999-07-13 Michael Meissner <meissner@cygnus.com>
2303
2304 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2305
2306 * configure.in (--enable-sim-trapdump): New switch to make unknown
2307 traps dump the register contents, instead of doing the trap thing.
2308 * configure: Regenerate.
2309
2310 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2311 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2312 temporarily.
2313
2314 * traps.h (toplevel): Include bfd.h, libiberity.h.
2315 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2316 dumping the registers.
2317
2318Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2319
2320 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2321
2322Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2323
2324 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2325
2326Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2327
2328 * frv.c (frvbf_square_root_SF): Removed.
2329 (frvbf_square_root_DF): Removed.
2330 (frvbf_h_fr_double_get_handler): Removed.
2331 (frvbf_h_fr_double_set_handler): Removed.
2332 (frvbf_h_fr_int_get_handler): Removed.
2333 (frvbf_h_fr_int_set_handler): Removed.
2334 * frv-sim.h (frvbf_square_root_SF): Removed.
2335 (frvbf_square_root_DF): Removed.
2336 (frvbf_h_fr_double_get_handler): Removed.
2337 (frvbf_h_fr_double_set_handler): Removed.
2338 (frvbf_h_fr_int_get_handler): Removed.
2339 (frvbf_h_fr_int_set_handler): Removed.
2340 * decode.c,decode.h,model.c,sem.c: Rebuild.
2341
23421999-07-05 Doug Evans <devans@casey.cygnus.com>
2343
2344 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2345 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2346 * sim-if.c (sim_open): Initialize fpu.
2347 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2348 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2349 with frvbf_h_fr_get.
2350
2351Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2352
2353 * frv-sim.h (NESR_RANGE): New macro.
2354 (NO_NESR): New macro.
2355 (GET_NESR_VALID): New macro.
2356 (next_ne_index): Removed.
2357 * traps.c (next_available_nesr): New function.
2358 (next_valid_nesr): New function.
2359 (frvbf_check_non_excepting_load): Use next_available_nesr.
2360 (frvbf_check_recovering_store): Use next_available_nesr and
2361 next_valid_nesr.
2362 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2363 (frvbf_check_recovering_store): Only consider one matching register.
2364 * sem.c: Rebuild.
2365
2366Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2367
2368 * frv.c (frvbf_square_root_SF): New function.
2369 (frvbf_square_root_DF): New function.
2370 (frvbf_h_fr_double_get_handler): New function.
2371 (frvbf_h_fr_double_set_handler): New function.
2372 * frv-sim.h (frvbf_square_root_SF): New function.
2373 (frvbf_square_root_DF): New function.
2374 (frvbf_h_fr_double_get_handler): New function.
2375 (frvbf_h_fr_double_set_handler): New function.
2376 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2377
23781999-06-28 Dave Brolley <brolley@cygnus.com>
2379
2380 * decode.c,decode.h,model.c,sem.c: Regenerate.
2381
2382Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2383
2384 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2385 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2386 (frvbf_h_fr_int_set_handler): New function.
2387 (frvbf_store_multiple_FRint): New function.
2388 (frvbf_square_root_SF): New function.
2389 * frv.c (frvbf_h_fr_int_get_handler): New function.
2390 (frvbf_h_fr_int_set_handler): New function.
2391 (frvbf_store_multiple_FRint): New function.
2392 (frvbf_square_root_SF): New function.
2393 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2394
23951999-06-23 Doug Evans <devans@casey.cygnus.com>
2396
2397 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2398 to genmloop.sh. Pass -scache instead.
2399 (mloop.o): Delete sem-switch.c dependency.
2400 (sem-switch.c): Delete rule.
2401 (stamp-cpu): Don't build sem-switch.c.
2402 * sem-switch.c: Delete.
2403 * mloop.in (xfull-exec-*): Fix call to execute.
2404 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2405
2406 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2407
2408Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2409
2410 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2411
2412Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2413
2414 * mloop.in (execute): Force gr0 to zero before each insn.
2415 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2416
24171999-06-18 Doug Evans <devans@casey.cygnus.com>
2418
2419 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2420
2421Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2422
2423 * frv.c (frvbf_h_gr_get_handler): New function.
2424 (frvbf_h_gr_set_handler): New function:
2425 (frvbf_store-multiple_GR): New function:
2426 (frvbf_store-multiple_FR): New function:
2427 (frvbf_store-multiple_CPR): New function:
2428 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2429 (frvbf_h_gr_set_handler): New function:
2430 (frvbf_store-multiple_GR): New function:
2431 (frvbf_store-multiple_FR): New function:
2432 (frvbf_store-multiple_CPR): New function:
2433 * traps.c (frv_itrap): Implement proper syscalls interface.
2434 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2435
2436Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2437
2438 * traps.c (frvbf_check_non_excepting_divide): New function.
2439 (frvbf_check_recovering_store): New function.
2440 (clear_nesr_neear): New function.
2441 (clear_ne_flags): New function.
2442 (frvbf_commit): New function.
2443
2444 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2445 (frvbf_check_recovering_store): New function.
2446 (clear_nesr_neear): New function.
2447 (clear_ne_flags): New function.
2448 (frvbf_commit): New function.
2449 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2450
24511999-06-16 Dave Brolley <brolley@cygnus.com>
2452
2453 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2454 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2455 * traps.c (next_ne_index): New variable.
2456 (frvbf_check_non_excepting_load): New function.
2457 * frv-sim.h (NECR_ELOS): New macro.
2458 (NECR_NEN): New macro.
2459 (NECR_VALID): New macro.
2460 (SET_NESR_VALID): New macro.
2461 (SET_NESR_EAV): New macro.
2462 (SET_NESR_FR): New macro.
2463 (CLEAR_NESR_FR): New macro.
2464 (SET_NESR_DRN): New macro.
2465 (SET_NESR_SIZE): New macro.
2466 (SET_NESR_NEAN): New macro.
2467 (SET_NEEAR): New macro.
2468 (GET_NE_FLAG): New macro.
2469 (SET_NE_FLAG): New macro.
2470 (CLEAR_NE_FLAG): New macro.
2471 (frvbf_check_non_excepting_load): New function:
2472 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2473
2474Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2475
2476 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2477
2478Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2479
2480 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2481 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2482
2483Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2484
2485 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2486
24871999-06-07 Dave Brolley <brolley@cygnus.com>
2488
2489 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2490
2491Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2492
2493 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2494
2495Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2496
2497 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2498
2499Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2500
2501 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2502
2503Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2504
2505 * traps.c (frv_software_interrupt): Pass current_cpu to
2506 frvbf_h_psr_esr_get.
2507 (frv_software_interrupt): Calculate the new PC based on TBR.
2508 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2509
25101999-05-31 Dave Brolley <brolley@cygnus.com>
2511
2512 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2513
2514Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2515
2516 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2517 (frvbf_h_cccr_set_handler): New function.
2518 (frvbf_scan_result): New function.
2519 (frvbf_cr_logic): New function.
2520 * frv.c (frvbf_h_cccr_get_handler): New function.
2521 (frvbf_h_cccr_set_handler): New function.
2522 (frvbf_scan_result): New function.
2523 (frvbf_cr_logic): New function.
2524 (cr_ops,cr_result,cr_logic): New table.
2525 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2526
25271999-05-25 Dave Brolley <brolley@cygnus.com>
2528
2529 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2530 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2531 (frv_psr_get_handler): New function.
2532 (frv_psr_set_handler): New function.
2533 (frv_tbr_get_handler): New function.
2534 (frv_tbr_set_handler): New function.
2535 (frvbf_h_ccr_get_handler): Add support for fCC.
2536 (frvbf_h_ccr_set_handler): Add support for fCC.
2537 * frv-sim.h (frv_psr_get_handler): New function.
2538 (frv_psr_set_handler): New function.
2539 (frv_tbr_get_handler): New function.
2540 (frv_tbr_set_handler): New function.
2541 * traps.c (frv_software_interrupt): Implement.
2542 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2543
2544Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2545
2546 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2547
25481999-05-18 Dave Brolley <brolley@cygnus.com>
2549
2550 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2551 (frvbf_set_icc_for_shift_right): New function.
2552 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2553 (frvbf_set_icc_for_shift_right): New function.
2554 (SETMEMSF): New Macro.
2555 (SETMEMDF): New Macro.
2556 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2557
2558Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2559
2560 * frv.c (frvbf_h_ccr_get_handler): New function.
2561 (frvbf_h_ccr_set_handler): New function.
2562 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2563
2564Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2565
2566 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2567 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2568 * frv.c: Likewise.
2569 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2570
25711999-05-10 Dave Brolley <brolley@cygnus.com>
2572
2573 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2574
2575Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2576
2577 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2578 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2579
2580Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2581
2582 * traps.c (frv_software_interrupt): New function.
2583 (frv_itrap): New function.
2584 * frv-sim.h (TRAP_SYSCALL): define as 0.
2585 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2586
2587Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2588
2589 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2590
2591Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2592
2593 * Directory created.
A mirror of the official binutils-gdb repository