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[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
29a79ca0
DB		 12003-10-10 Dave Brolley <brolley@redhat.com>
2
3 * cpu.h, sem.c: Regenerate.
4
e930b1f5
DB		 52003-10-06 Dave Brolley <brolley@redhat.com>
6
7 * profile-fr550.[ch]: New files.
8 * configure.in: Move frv handling to alphabetically correct placement.
9 * Makefile.in: Add fr550 support.
10 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
11 profile.[ch],registers.c,traps.c: Add fr550 support.
12 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
13 Regenerate.
14
22f367a7
DB		 152003-09-25 Dave Brolley <brolley@redhat.com>
16
17 * reset.c (frv_initialize): Call frv_register_control_init first.
18
1c453cd6
DB		 192003-09-24 Dave Brolley <brolley@redhat.com>
20
21 * profile.h (update_FR_ptime): New prototype.
22 (update_FRdouble_ptime): Ditto.
23 (update_SPR_ptime): Ditto.
24 (increase_ACC_busy): Ditto.
25 (enforce_full_acc_latency): Ditto.
26 (post_wait_for_SPR): Ditto.
27 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
28 (update_FRdouble_ptime): Ditto.
29 (update_SPR_ptime): New function.
30 (increase_ACC_busy): Ditto.
31 (enforce_full_acc_latency): Ditto.
32 (vliw_wait_for_fdiv_resource): Correct resource name.
33 (vliw_wait_for_fsqrt_resource): Ditto.
34 (post_wait_for_SPR): New function.
35 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
36 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
37 adjust_float_register_busy.
38 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
39 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
40 registers.
41 (frvbf_model_fr500_u_float_arith): Ditto.
42 (frvbf_model_fr500_u_float_dual_arith): Ditto.
43 (frvbf_model_fr500_u_float_div): Ditto.
44 (frvbf_model_fr500_u_float_sqrt): Ditto.
45 (frvbf_model_fr500_u_float_convert): Ditto.
46 (update_FR_ptime): Moved to profile.c
47 (update_FRdouble_ptime): Moved to profile.c
48 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
49 for other machines.
50 (update_FRdouble_ptime): Ditto.
51 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
52
153431d6
DB		 532003-09-12 Dave Brolley <brolley@redhat.com>
54
55 * registers.c (frv_check_spr_read_access): Check for access to
56 ACC4-ACC63 and ACCG4-ACCG63.
57 * profile.h (frv-desc.h): #include it.
58 (spr_busy): New member of FRV_PROFILE_STATE.
59 (spr_latency): Ditto.
60 (GNER_FOR_GR): New macro.
61 (FNER_FOR_FR): New maccro.
62 (update_SPR_latency): New function.
63 (vliw_wait_for_SPR): New function.
93938d47 64 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 65 (update_target_latencies): Ditto.
66 (update_SPR_latency): New function.
67 (vliw_wait_for_SPR): New function.
68 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
69 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
70 (frvbf_model_fr500_u_check): Ditto.
71 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
72 (frvbf_model_fr500_u_clrfr): Ditto.
73 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
74 (frvbf_model_fr500_u_gr2spr): Ditto.
75 * frv-sim.h (H_SPR_ACC4): New macro.
76 (H_SPR_ACCG4): New macro;
77 (H_SPR_ACC0): Removed.
78 (H_SPR_ACCG0): Removed.
79 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
80
ba9c4053
DB		 812003-09-10 Dave Brolley <brolley@redhat.com>
82
83 * profile.c (slot_names): FM1 was listed twice. Changed first
84 instance to FM0. Added IALL, FMALL and FMLOW.
85 (print_parallel): Don't examine slots with no insns.
86
f9e18f5a
DB		 872003-09-09 Dave Brolley <brolley@redhat.com>
88
89 * frv.c (do_media_average): Select machine using a switch.
90
d89a78b6
DB		 912003-09-08 Dave Brolley <brolley@redhat.com>
92
93 On behalf of Doug Evans <dje@sebabeach.org>
94 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
95 Remove copying of .cpu file to cgen/cpu, no longer needed.
96
d03ea14f
DB		 972003-09-03 Dave Brolley <brolley@redhat.com>
98
99 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
100
e8d2f504
DB		 1012003-08-29 Dave Brolley <brolley@redhat.com>
102
103 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
104 temporarily when regenerating files.
105 (stamp-cpu): Ditto.
106
b34f6357
DB		 1072003-08-20 Micheal Snyder <msnyder@redhat.com>
108
109 * All generated files: Regenerate.
110
1112001-10-11 Dave Brolley <brolley@redhat.com>
112
113 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
114
1152001-10-09 Dave Brolley <brolley@redhat.com>
116
117 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
118 not set.
119 * reset.c (frv_hardware_reset): Invalidate both caches.
120 * registers.c: Update init, reset and read-only masks for all registers
121 on all machines.
122 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
123 (prev_gr_complex): New field of FRV_PROFILE_STATE
124 (set_use_is_gr_complex): New function.
125 (set_use_not_gr_complex): New function.
126 (use_is_gr_complex): New function.
127 (decrease_GR_busy): New function.
128 * profile.c (reset_gr_flags): New function.
129 (reset_cc_flags): New function.
130 (set_use_is_gr_complex): New function.
131 (set_use_not_gr_complex): New function.
132 (use_is_gr_complex): New function.
133 (update_latencies): Reset gr and cc flags when latency reaches 0.
134 (decrease_GR_busy): New function.
135 * profile-fr400.h (fr500_reset_acc_flags): Removed.
136 (fr500_reset_cc_flags): New function.
137 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
138 LSI version 1.41.
139 * profile-fr400.h (fr400_reset_gr_flags): New function.
140 (fr400_reset_fr_flags): New function.
141 (fr400_reset_acc_flags): New function.
142 * profile-fr400.c (set_use_not_media_p4): New function.
143 (set_use_not_media_p6): New function.
144 (set_acc_use_not_media_p2): New function.
145 (set_acc_use_not_media_p4): New function.
146 (fr400_reset_gr_flags): New function.
147 (fr400_reset_fr_flags): New function.
148 (fr400_reset_acc_flags): New function.
149 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
150 (frvbf_model_fr400_u_media_hilo): New function.
151 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
152 * memory.c (fr400_check_data_read_address): Check address range only
153 for double word loads. Don't check alignment here.
154 (fr400_check_readwrite_address): New function.
155 (fr500_check_readwrite_address): New function.
156 (check_readwrite_address): New function.
157 (fr500_check_insn_read_address): Correct address ranges.
158 (frvbf_read_mem_*): Check address range here.
159 (frv_address_forbidden): Removed.
160 (fr400_check_write_address): New function.
161 (check_write_address): New function.
162 (frvbf_write_mem_*): Don't check address range here.
163 (frvbf_mem_set_*): Check address range here.
164 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
165 address as second argument.
166 (frv_queue_data_access_exception_interrupt): New function.
167 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
168 media insns on fr400.
169 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
170 for media insns on fr400.
171 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
172 of insns here. Check for MTRAP insn if PSR.EM is not set.
173 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
174 set.
175 (set_exception_status_registers): Do not always set EPCR. Set EAR for
176 data_acess_error only if not fr400.
177 * frv.c (do_media_average): New function.
178 (frvbf_media_average): New function.
179 (frvbf_insn_cache_invalidate): Check for illegal invocation.
180 (frvbf_data_cache_invalidate): Ditto.
181 (frvbf_data_cache_flush): Ditto.
182 * frv-sim.h (GET_FSR_QNE): New macro.
183 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
184 (GET_MSR_SRDAV): New macro.
185 (GET_MSR_RDAV): New macro.
186 (GET_MSR_RD): New macro.
187 (frv_queue_data_access_error_interrupt): Now takes an address as second
188 argument.
189 (frv_address_forbidden): Removed.
190 * cache.c (non_cache_access): Correct address ranges. Now takes cache
191 as first argument.
192 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
193
1942001-08-20 Dave Brolley <brolley@redhat.com>
195
196 * sim-main.h (_sim_cpu): New field 'elf_flags'.
197 * sim-if.c (sim_open): Extract the elf_flags from the input file and
198 save them with each cpu.
199 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
200 last_insn_p before executing the insn.
201 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
202 insn cache.
203 (frv_cache_invalidate_all): Ditto.
204
2052001-08-20 Richard Sandiford <rsandifo@redhat.com>
206
207 * traps.c (syscall_read_mem): Flush the data cache before reading.
208 (syscall_write_mem): Flush the data cache before writing.
209 Invalidate both caches.
210
2112001-07-05 Ben Elliston <bje@redhat.com>
212
213 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
214 (stamp-cpu): Likewise.
215
2162001-05-23 Dave Brolley <brolley@redhat.com>
217
218 * profile-fr400.c (acc_use_is_media_p2): New function.
219 (frvbf_model_fr400_u_media_2): Account for latency of output
220 accumulators.
221 (frvbf_model_fr400_u_media_2_quad): Ditto.
222 (frvbf_model_fr400_u_media_2_acc): New function.
223 (frvbf_model_fr400_u_media_2_acc_dual): New function.
224 (frvbf_model_fr400_u_media_2_add_sub): New function.
225 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
226 (frvbf_model_fr400_u_media_3_dual): New function.
227 (frvbf_model_fr400_u_media_4_acc_dual): New function.
228 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
229
2302001-05-15 Dave Brolley <brolley@redhat.com>
231
232 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
233 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
234 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
235 (request_cache_flush): Save 'all' argument.
236 (request_cache_invalidate): Save all_cache_entries from profile state
237 to 'all' field of the request.
238 (submit_cache_request): Pass the 'all' field of the request to
239 frv_cache_request_invalidate.
240 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
241 operation even if HSR0.ICE is not set.
242 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
243 operation even if HSR0.DCE is not set.
244 (frv_data_cache_flush): Ditto.
245 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
246 (frv_data_cache_invalidate): Add new 'all' parameter.
247 (frv_data_cache_flush): Add new 'all' parameter.
248 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
249 (frv_cache_request_invalidate): Add new 'all' parameter.
250 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
251 its value in the invalidate request.
252 (address_interference): Accept the value '-1' for the address argument
253 to mean 'any address'.
254 (handle_req_invalidate): Handle request to invalidate all cache lines.
255 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
256
2572001-05-14 Dave Brolley <brolley@redhat.com>
258
259 * profile.h (past_first_p): New field of profiling state.
260 (branch_penalty): Ditto.
261 (branch_hint): Ditto.
262 (update_branch_penalty): New function.
263 * profile.c (frvbf_model_insn_after): Reset past_first_p and
264 branch_address fields of the profiling state.
265 (frvbf_model_branch): New function.
266 (update_branch_penalty): New function.
267 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
268 FCCi_3 inputs.
269 (frvbf_model_fr500_u_trap): New function.
270 (frvbf_model_fr500_u_check): New function.
271 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
272 cycles.
273 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
274 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
275 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
276 documented in teh fr400 LSI.
277 (frvbf_model_fr400_u_media_dual_htob): Ditto.
278 (frvbf_model_fr400_u_media_dual_unpack): Removed.
279 (frvbf_model_fr500_u_trap): New function.
280 (frvbf_model_fr500_u_check): New function.
281 * mloop.in (simulate_dual_insn_prefetch): New function.
282 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
283 arguments for each machine type.
284 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
285
2862001-05-09 Dave Brolley <brolley@redhat.com>
287
288 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
289 (profile-fr400.o): New target.
290 * profile.c: New file.
291 * profile.h: New file.
292 * profile-fr400.c: New file.
293 * profile-fr400.h: New file.
294 * profile-fr500.c: New file.
295 * profile-fr500.h: New file.
296 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
297
2982001-05-02 Dave Brolley <brolley@redhat.com>
299
300 * sim-main.h (profile.h): #include it.
301 (CPU_PROFILE_STATE): New macro.
302 (profile_state): New frv specific cpu field.
303 * reset.c (frv_initialize): insn_fetch_address and branch_address now
304 part of global profiling state.
305 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
306 (SIM_EXTRA_DEPS): Add profile.h.
307 (registers.o): Correct name of source file.
308 (profile.o): New target.
309 (profile-fr500.o): New target.
310 * frv-sim.h: Move profile related data structures to profile.h.
311 * frv.c: Move fr500 specific functions to profile-fr500.c.
312 * cpu.h: Regenerated.
313
3142001-04-27 Dave Brolley <brolley@redhat.com>
315
316 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
317 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
318 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
319 Rename PIPE_* to UNIT_*.
320 (frv_queue_illegal_instruction_interrupt): Use
321 frv_is_float_insn and frv_is_media_insn.
322 (frv_queue_non_implemented_instruction_interrupt): Ditto.
323 (frv_detect_insn_access_interrupts): Ditto.
324 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
325 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
326 * memory.c: Ditto.
327 * pipeline.c: Ditto.
328 * mloop.in: Ditto.
329 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
330 * cache.c: Rename PIPE_* to UNIT_*.
331
3322001-04-24 Dave Brolley <brolley@redhat.com>
333
334 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
335 (frvbf_load_quad_FRint): Ditto.
336 (frvbf_load_quad_CPR): Ditto.
337 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
338 machines.
339 (bfd.h): #include it.
340 (non_cache_access): Update for revised fr500 and for fr400.
341 * registers.c (frv_spr): Don't reset PSR.PS.
342 (fr500_spr): Ditto.
343 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
344
3452001-04-23 Dave Brolley <brolley@redhat.com>
346
347 * traps.c (frv_core_signal): On fr400, generate data_access_error.
348 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
349 (frvbf_media_acc_not_aligned): Ditto.
350 (frvbf_media_register_not_aligned): Ditto.
351 (frvbf_division_exception): Use GET_ISR_EDE.
352 * registers.c (frv_check_spr_read_access): New function.
353 (frv_check_spr_write_access): New function.
354 (frv_check_spr_access): Deleted.
355 (frv_check_register_access): On fr400, generate illegal_instruction.
356 * memory.c (fr400_check_data_read_address): New function.
357 (fr500_check_data_read_address): Ditto.
358 (check_data_read_address): Ditto.
359 (fr400_check_insn_read_address): Ditto.
360 (fr500_check_insn_read_address): Ditto.
361 (check_insn_read_address): Ditto.
362 (frvbf_read_mem_QI): Call check_data_read_access.
363 (frvbf_read_mem_UQI): Ditto.
364 (frvbf_read_mem_HI): Ditto.
365 (frvbf_read_mem_UHI): Ditto.
366 (frvbf_read_mem_SI): Ditto.
367 (frvbf_read_mem_DI): Ditto.
368 (frvbf_read_mem_DF): Ditto.
369 (frvbf_read_imem_USI): Call check_insn_read_access.
370 (frv_address_forbidden): Now takes cpu as first argument. Check based
371 on machine type.
372 (fr400_mem_address_unaligned): New function.
373 (fr500_mem_address_unaligned): Ditto.
374 (check_write_address): Ditto.
375 (frvbf_mem_set_QI): Call check_write_address.
376 (frvbf_mem_set_HI): Ditto.
377 (frvbf_mem_set_SI): Ditto.
378 (frvbf_mem_set_DI): Ditto.
379 (frvbf_mem_set_DF): Ditto.
380 (frvbf_mem_set_XI): Ditto.
381 * interrupts.c (bfd.h): #include it.
382 (frv_queue_data_access_error_interrupt): New function.
383 (frv_queue_instruction_access_error_interrupt): New function.
384 (frv_queue_instruction_access_exception_interrupt): New function.
385 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
386 (frv_queue_non_implemented_instruction_interrupt): Ditto.
387 (frv_detect_insn_access_interrupts): Reorder tests to match priority
388 from the LSI manual.
389 (set_isr_exception_fields): Accumulate dtt bits.
390 * frv.c (check_register_alignment): New function.
391 (check_fr_register_alignment): New function.
392 (check_memory_alignment): New function.
393 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
394 (frvbf_h_gr_double_set_handler): Ditto.
395 (frvbf_h_cpr_double_get_handler): Ditto.
396 (frvbf_h_cpr_double_set_handler): Ditto.
397 (frvbf_h_gr_quad_set_handler): Ditto.
398 (frvbf_h_cpr_quad_set_handler): Ditto.
399 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
400 (frvbf_h_fr_double_set_handler): Ditto.
401 (frvbf_h_fr_quad_set_handler): Ditto.
402 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
403 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
404 (frvbf_load_quad_GR): Call check_memory_aligment.
405 (frvbf_load_quad_FRint): Ditto.
406 (frvbf_load_quad_CPR): Ditto.
407 (frvbf_store_quad_GR): Call check_memory_aligment and
408 check_register_alignment.
409 (frvbf_store_quad_FRint): Ditto.
410 (frvbf_store_quad_CPR): Ditto.
411 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
412 * frv-sim.h (H_SPR_ACC0): New macro.
413 (H_SPR_ACC63): New macro.
414 (H_SPR_ACCG0): New macro.
415 (H_SPR_ACCG63): New macro.
416 (frv_dtt): New enumerator.
417 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
418 (GET_ISR_DTT): New macro.
419 (frv_queue_data_access_error_interrupt): New function.
420 (frv_queue_instruction_access_error_interrupt): New function.
421 (frv_queue_instruction_access_exception_interrupt): New function.
422 (frv_address_forbidden): Now takes cpu as first argument.
423 * cpu.h: Regenerate.
424
4252001-04-10 Dave Brolley <brolley@redhat.com>
426
427 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
428 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
429 (fr400_spr): Implement SPR registers for fr400.
430 (frv_register_control_init): Handle bfd_mach_fr400 properly.
431 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
432 (spr_psr_get_handler): Ditto.
433 (spr_ccr_get_handler): Ditto.
434 (spr_cccr_get_handler): Ditto.
435 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
436 * frv-sim.h: Update comment about MCCR_* macros.
437 * cpu.c,cpu.h: Regenerate.
438
4392001-04-05 Dave Brolley <brolley@redhat.com>
440
441 * cpu.h,decode.c,model.c,sem.c: Regenerate.
442
4432001-04-05 Dave Brolley <brolley@redhat.com>
444
445 * reset.c: Update copyright.
446 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
447 * frv.c (frvbf_model_fr400_u_exec): New function.
448 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
449 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
450 Regenerate.
451
4522000-11-22 Dave Brolley <brolley@redhat.com>
453
454 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
455 Regenerate.
456
4572000-11-10 Dave Brolley <brolley@redhat.com>
458
459 * decode.c: Regenerate.
460
4612000-09-12 Dave Brolley <brolley@redhat.com>
462
463 * traps.c (frv_sim_engine_halt_hook): New function.
464 (frv_itrap): Caches now invalidated in sim_engine_halt via
465 SIM_ENGINE_HALT_HOOK.
466 (frv_break): Ditto.
467 * sim-main.h (frv_sim_engine_halt_hook): New function.
468 (SIM_ENGINE_HALT_HOOK): New macro.
469 (SIM_ENGINE_RESTART_HOOK): New macro.
470 * interrupts.c: Call to frv_term now done within sim_engine_halt via
471 SIM_ENGINE_HALT_HOOK.
472
4732000-09-08 Dave Brolley <brolley@redhat.com>
474
475 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
476 respectively when stopping for a breakpoint.
477 (frv_break): Ditto.
478 * cache.h (frv_cache_invalidate_all): New function.
479 * cache.c (frv_cache_invalidate_all): New function.
480
4812000-09-05 Dave Brolley <brolley@redhat.com>
482
483 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
484 sim_handle_breakpoint. Otherwise if environment != operating call
485 sim_engine_halt. Otherwise handle normally.
486 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
487 breakpoints here. Moved to frv_break in traps.c.
488
489 * sem.c: Regenerate.
490
4912000-09-01 Dave Brolley <brolley@redhat.com>
492
493 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
494 before queuing an interrupt in order to allow 'break' to be used as
495 the breakpoint insn.
496
4972000-08-29 Dave Brolley <brolley@redhat.com>
498
499 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
500
5012000-07-27 Dave Brolley <brolley@redhat.com>
502
503 * cpu.h,decode.c: Rebuild.
504
5052000-07-26 Dave Brolley <brolley@redhat.com>
506
507 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
508 (spr_cccr_set_handler): Change CRx to CCx.
509 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
510
5112000-07-24 Dave Brolley <brolley@redhat.com>
512
513 * sem.c: Regenerate.
514 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
515 Don't write it directly.
516
517Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
518
519 * configure: Regenerated to track ../common/aclocal.m4 changes.
520
5212000-07-05 Ben Elliston <bje@redhat.com>
522
523 * configure: Regenerated to track ../common/aclocal.m4 changes.
524
5252000-06-28 Dave Brolley <brolley@redhat.com>
526
527 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
528
5292000-06-21 Dave Brolley <brolley@redhat.com>
530
531 * pipeline.c: All code except frv_pipeline_setup_insn moved to
532 frv.opc.
533 * mloop.in (main loop): frv_pipeline_add_insn broken up into
534 frv_pipeline_add_insn and frv_pipeline_setup_insn.
535 * frv-sim.h: Move pipeline status code to frv.opc.
536 * model.c: Regenerate.
537
5382000-06-12 Dave Brolley <brolley@redhat.com>
539
540 * options.c (frv_option_handler): --profile-parallel implies
541 --profile-model.
542 * mloop.in (fetch_buffer): Removed.
543 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
544 run_caches. Use cache directly if not counting cycles. Don't use
545 cache at all if not counting cycles and cache not enabled.
546 * frv.c (frv_insn_fetch_buffer): New global variable.
547 (run_caches): Monitor the status of insn prefetch requests.
548 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
549 (frv_insn_fetch_buffer): New global variable.
550
5512000-06-12 Dave Brolley <brolley@redhat.com>
552
553 * mloop.in (fetch_buffer): New static struct.
554 (@cpu@_simulate_insn_prefetch): Rewritten.
555 * cache.c (frv_cache_request_invalidate): Don't invalidate return
556 buffer.
557 (address_interference): Defer to any WAR request in either pipeline.
558
5592000-06-09 Dave Brolley <brolley@redhat.com>
560
561 * pipeline.c (insns_in_slot): New Array.
562 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
563 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
564 option.
565 (parse_cache_option): New function.
566 (frv_option_handler): Call parse_cache_option.
567 * frv.c (vliw_branch_taken): New variable.
568 (vliw_load_stall): New variable.
569 (handle_resource_wait): Update vliw_load_stall.
570 (frvbf_model_insn_before): Initialize vliw_branch_taken and
571 vliw_load_stall.
572 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
573 (load_wait_for_FR): Update vliw_load_stall.
574 (load_wait_for_GR): Update vliw_load_stall.
575 (load_wait_for_FRdouble): Update vliw_load_stall.
576 (load_wait_for_GRdouble): Update vliw_load_stall.
577 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
578 (slot_names): New static array.
579 (print_parallel): Now takes second argument 'verbose'. Print cycles per
580 VLIW insn and instructions per cycle. Also tabulate the number of insns
581 in each type of VLIW slot.
582 (frv_profile_info): Call print_parallel with new second argument.
583 * frv-sim.h (insn_in_slot): New array.
584 (COUNT_INSNS_IN_SLOT): New macro.
585 (INSNS_IN_SLOT): New macro.
586 * cache.c: Remove references to non_blocking_count. Remove references to
587 last_was_hit. Remove references to req_none.
588 (handle_req_store): Adjust statistics before requeuing the store
589 request.
590 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
591 * cache.h: Remove references to non_blocking_count. Remove references to
592 last_was_hit. Remove references to req_none.
593 * model.c: Regenerate.
594
5952000-06-08 Dave Brolley <brolley@redhat.com>
596
597 * frv.c (request_complete): Copy load data from the correct return
598 buffer.
599
6002000-06-07 Dave Brolley <brolley@redhat.com>
601
602 * traps.c (frv_core_signal): Call frv_term before exiting.
603 (frv_itrap): Call frv_term before exiting.
604 (next_available_nesr): Make sure NECR is implemented before reading it.
605 (next_valid_nesr): Ditto.
606 (frvbf_check_non_excepting_load): Ditto.
607 (frvbf_clear_ne_flags): Ditto.
608 (frvbf_commit): Ditto.
609 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
610 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
611 store_flag members.
612 (CPU_LOAD_ADDRESS): New macro.
613 (CPU_LOAD_LENGTH): New macro.
614 (CPU_LOAD_SIGNED): New macro.
615 (CPU_LOAD_LOCK): New macro.
616 * reset.c (frv_term): New function.
617 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
618 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
619 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
620 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
621 the insn. Model the insn in two passes. One before and one after
622 execution.
623 (cache_reqno): new static variable.
624 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
625 cache rather than assuming a fixed latency.
626 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
627 enabled so that modeling data is collected by cgen during execution.
628 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
629 * memory.c (data_non_cache_access): Removed.
630 (insn_non_cache_access): Removed.
631 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
632 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
633 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
634 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
635 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
636 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
637 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
638 (frvbf_read_imem_USI): Read the cache or ememory passively.
639 (frvbf_write_mem_QI): Don't check for non-cache access here.
640 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
641 (frvbf_write_mem_HI): Don't check for non-cache access here.
642 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
643 (frvbf_write_mem_SI): Don't check for non-cache access here.
644 (frvbf_write_mem_DI): Don't check for non-cache access here.
645 (frvbf_write_mem_DF): Don't check for non-cache access here.
646 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
647 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
648 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
649 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
650 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
651 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
652 * interrupts.c (check_reset): Read the cache and memory passively.
653 (frv_program_or_software_interrupt): Call frv_term before calling
654 sim_engine_halt.
655 * frv.c (all modeling functions): Break into two passes. One before
656 execuetion and one after. call load_wait_for_* for all GR and FR
657 registers.
658 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
659 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
660 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
661 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
662 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
663 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
664 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
665 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
666 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
667 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
668 (model_insn): New global variable.
669 (fr_ptime): New array.
670 (cache_request): New enumeration.
671 (CACHE_QUEUE_ELEMENT): New struct type.
672 (CACHE_QUEUE_SIZE): New macro.
673 (cache_queue): New static struct.
674 (request_cache_load): New function.
675 (request_cache_flush): New function.
676 (request_cache_invalidate): New function.
677 (request_cache_preload): New function.
678 (request_cache_unlock): New function.
679 (submit_cache_request): New function.
680 (activate_cache_requests): New function.
681 (load_pending_for_register): New function.
682 (flush_pending_for_address): New function.
683 (remove_cache_queue_element): New function.
684 (copy_load_data): New function.
685 (request_complete): New function.
686 (run_caches): New function.
687 (frv_model_trace_wait_cycles): New function.
688 (wait_for_flush): New function.
689 (frvbf_model_insn_before): Insn prefect wait now modeled in
690 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
691 wait_for_flush.
692 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
693 vliw_insns here anymore.
694 (update_FR_latency_for_load): New function.
695 (update_FRdouble_latency_for_load): New function.
696 (update_FR_ptime): New function.
697 (update_FRdouble_ptime): New function.
698 (update_GR_latency_for_swap): New function.
699 (load_wait_for_GR): New function.
700 (load_wait_for_FR): New function.
701 (load_wait_for_GRdouble): New function.
702 (load_wait_for_FRdouble): New function.
703 (frvbf_model_fr500_u_ici): New function.
704 (frvbf_model_fr500_u_dci): New function.
705 (frvbf_model_fr500_u_dcf): New function.
706 (frvbf_model_fr500_u_icpl): New function.
707 (frvbf_model_fr500_u_dcpl): New function.
708 (frvbf_model_fr500_u_icul): New function.
709 (frvbf_model_fr500_u_dcul): New function.
710 * frv-sim.h (frv_term): New function.
711 (insn_non_cache_access): Removed.
712 (FRV_COUNT_CYCLES): New macro.
713 (frv_save_peofile_model_p): New global variable.
714 (model_insn): New enumerated global variable.
715 (frv_model_advance_cycles): New function.
716 (frv_model_trace_wait_cycles): New function.
717 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
718 (FRV_CACHE_WAR_REQUEST): New struct type.
719 (FRV_CACHE_STORE_REQUEST): New struct type.
720 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
721 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
722 (FRV_CACHE_REQUEST): New struct type.
723 (FRV_CACHE_RETURN_BUFFER): New struct type.
724 (FRV_CACHE_FLUSH_STATUS): New struct type.
725 (FRV_CACHE_STATUS): New struct type.
726 (FRV_CACHE_STAGE): New struct type.
727 (FRV_CACHE_STAGES): New enumeration.
728 (FRV_CACHE_WAR): New struct type.
729 (FRV_CACHE_PIPELINE): New struct type.
730 (FRV_CACHE_ARS): New struct type.
731 (FRV_CACHE_STATISTICS): New struct type.
732 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
733 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
734 (CACHE_RETURN_DATA_ADDRESS): New macro.
735 (frv_cache_read): Now takes pipe index as second argument.
736 (frv_cache_enabled): New function.
737 (frv_cache_request_load): New function.
738 (frv_cache_request_store): New function.
739 (frv_cache_request_invalidate): New function.
740 (frv_cache_request_preload): New function.
741 (frv_cache_request_unlock): New function.
742 (frv_cache_run): New function.
743 (frv_cache_read_passive_SI): New function.
744 (frv_cache_data_in_buffer): New function.
745 (frv_cache_data_flushed): New function.
746 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
747 (frv_cache_enabled): New function.
748 (non_cache_access): New function.
749 (write_data_to_memory): Count write accesses for each mode. Write to
750 memory using sim_core_write_unaligned_1;
751 (read_data_from_memory): New function.
752 (fill_line_from_memory): Use read_data_from_memory.
753 (copy_line_to_return_buffer): New function.
754 (copy_memory_to_return_buffer): New function.
755 (set_return_buffer_reqno): New function.
756 (frv_cache_read): Now takes pipe index as second argument. Check for
757 non-cache access.
758 (frv_cache_preload): Check for non-cache access.
759 (frv_cache_unlock): Check for non-cache access.
760 (invalidate_return_buffer): New function.
761 (frv_cache_invalidate): Check for non-cache access.
762 (convert_slot_to_index): New function.
763 (FREE_CHAIN_SIZE): New macro.
764 (frv_cache_request_free_chain): New static variable.
765 (frv_store_request_free_chain): New static variable.
766 (allocate_new_cache_requests): New function.
767 (new_cache_request): New function.
768 (free_cache_request): New function.
769 (new_store_request): New function.
770 (pipeline_remove_request): New function.
771 (pipeline_add_request): New function.
772 (pipeline_requeue_request): New function.
773 (next_priority): New function.
774 (add_WAR_request): New function.
775 (pipeline_next_request): New function.
776 (pipeline_stage_request): New function.
777 (advance_pipelines): New function.
778 (frv_cache_request_load): New function.
779 (frv_cache_request_store): New function.
780 (frv_cache_request_invalidate): New function.
781 (frv_cache_request_preload): New function.
782 (frv_cache_request_unlock): New function.
783 (address_interference): New function.
784 (wait_for_WAR): New function.
785 (wait_in_WAR): New function.
786 (handle_req_load): New function.
787 (handle_req_preload): New function.
788 (handle_req_store): New function.
789 (handle_req_invalidate): New function.
790 (handle_req_unlock): New function.
791 (handle_req_WAR): New function.
792 (arbitrate_requests): New function.
793 (move_ARS_to_WAR): New function.
794 (decrease_latencies): New function.
795 (frv_cache_run): New function.
796 (frv_cache_read_passive_SI): New function.
797 (frv_cache_data_in_buffer): New function.
798 (frv_cache_data_flushed): New function.
799 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
800
801Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
802
803 * configure: Regenerated to track ../common/aclocal.m4 changes.
804
8052000-05-19 Dave Brolley <brolley@redhat.com>
806
807 * traps.c (frv_rett): Check for exceptions in the order specified in the
808 architecture spec. Allow privileged_instruction interrrupt to be handled
809 normally.
810 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
811 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
812 to clear the NE flag.
813 (frvbf_model_tomcat_u_exec): New function.
814 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
815 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
816 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
817
8182000-05-18 Dave Brolley <brolley@redhat.com>
819
820 * sim-if.c (elf-bfd.h): #include it.
821 (sim_open): Set machine amd architecture based on elf flags.
822
8232000-04-04 Dave Brolley <brolley@redhat.com>
824
825 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
826 Delete '#if 0' blocks.
827 * frv.c: Delete '#if 0' blocks.
828 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
829 PSR.S and PSR.ESR.
830 (frv_h_psr_esr_set_handler): Removed.
831 * interrupts.c: Delete '#if 0' blocks.
832 * memory.c: Delete '#if 0' blocks.
833 * cpu.c,cpu.h: Regenerate.
834
8352000-04-03 Dave Brolley <brolley@redhat.com>
836
837 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
838 containing the target address.
839 (clear_nesr_neear): No longer takes hi_available and lo_available.
840 Remove bogus check for available GR registers.
841 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
842 (frvbf_commit): Update call to clear_nesr_neear.
843 * interrupts.c (next_available_esr): Removed.
844 (next_available_edr): Removed.
845 (next_available_fq): Removed.
846 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
847 (frvbf_store_register): Remove "FIXME" comment.
848 * frv-sim.h (UART_INCHAR_ADDR): Removed.
849 (UART_OUTCHAR_ADDR): Removed.
850 (UART_STATUS_ADDR): Removed.
851 (UART_INPUT_READY): Removed.
852 (UART_OUTPUT_READY): Removed.
853 (FRV_DEVICE_ADDR): Removed.
854 (FRV_DEVICE_LEN): Removed.
855 (SET_NESR): Call frvbf_force_update.
856 (SET_NEEAR): Call frvbf_force_update.
857 (SET_NE_FLAGS): Call frvbf_force_update.
858
8592000-03-30 Dave Brolley <brolley@redhat.com>
860
861 * configure: Regenerated.
862
8632000-03-30 Dave Brolley <brolley@redhat.com>
864
865 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
866 * memory.c (frvbf_write_mem_*): Save slot containing the insn
867 performing the write.
868 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
869 queue element with the information in the interrupt state.
870 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
871 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
872 (frv_set_interrupt_queue_slot): New function.
873 (esr_for_data_access_exception): New function.
874 (set_edr_register): edr_index is now passed in.
875 (fq_for_exception): New function.
876 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
877 element now passed in.
878 (set_exception_status_registers): Obtain slot from interrupt queue
879 element. Call esr_for_data_access_exception. Use ESR14
880 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
881 (frv_save_data_written_for_interrupts): Save slot containing the insn
882 performing the write.
883 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
884 frv_fsr_ftt.
885 (struct frv_interrupt_state): Add 'slot' field.
886 (frv_set_interrupt_queue_slot): New function.
887 (frv_set_write_queue_slot): New function.
888
8892000-03-24 Dave Brolley <brolley@redhat.com>
890
891 * mloop.in (_parallel_write_init): Initialize
892 frv_interrupt_state.imprecise_interrupt.
893 (_parallel_write_queued): After an imprecise interrupt, only perform
894 forced writes and floating point writes (for certain exceptions).
895 * interrupts.c (handle_interrupt): Set
896 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
897 interrupt.
898 (frv_process_interrupts): No need to clear f_ne_flags.
899 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
900 force them to happen even if there is an overflow exception.
901 (frvbf_force_update): New function.
902 * frv-sim.h (frvbf_force_update): New function.
903 (struct frv_interrupt_state): Add imprecise_interrupt.
904 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
905 * sem.c: Regenerate.
906
9072000-03-23 Dave Brolley <brolley@redhat.com>
908
909 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
910 * registers.c (frv_spr): MCIRL -> MCILR.
911 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
912 New function.
913 (frv_detect_insn_access_interrupts):
914 Call frv_queue_non_implemented_instruction_interrupt.
915 (frv_process_interrupts): Clear accumulated NE flags.
916 * frv.c (frvbf_media_cop): New function.
917 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
918 the NE flag of the given target register.
919 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
920 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
921 (frvbf_model_fr500_u_float_dual_sqrt): New function.
922 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
923 (frvbf_model_fr500_u_float_dual_convert): New function.
924 * frv-sim.h (frvbf_media_cop): New function.
925 (GET_FQ): Use H_SPR_FQST0.
926 (SET_FQ): Use H_SPR_FQST0.
927 (SET_FQ_OPC): Use J_SPR_FQOP0.
928 (GET_MSR_EMCI): New macro.
929 (frv_queue_non_implemented_instruction_interrupt): New function.
930 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
931
9322000-03-08 Dave Brolley <brolley@redhat.com>
933
934 * traps.c (frv_rett): Align new_pc.
935 * memory.c (frvbf_read_mem_HI): Align address.
936 (frvbf_read_mem_UHI): Align address.
937 (frvbf_read_mem_SI): Align address.
938 (frvbf_read_mem_DI): Align address.
939 (frvbf_read_mem_DF): Align address.
940 (frvbf_read_imem_USI): Align address.
941 (frvbf_mem_set_HI): Align address.
942 (frvbf_mem_set_SI): Align address.
943 (frvbf_mem_set_DI): Align address.
944 (frvbf_mem_set_DF): Align address.
945 (frvbf_mem_set_XI): Align address.
946 * registers.c (frv_spr): Initialize FSR0.NS to 1.
947 (fr500_spr): Initialize FSR0.NS to 1.
948 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
949 whether the exception is masked.
950 * frv.c (frvbf_load_quad_GR): Align address.
951 (frvbf_store_quad_GR): Align address.
952 (frvbf_load_quad_FRint): Align address.
953 (frvbf_store_quad_FRint): Align address.
954 (frvbf_load_quad_CPR): Align address.
955 (frvbf_store_quad_CPR): Align address.
956 * frv-sim.h (GET_ISR_EMAM): New macro.
957
9582000-03-08 Dave Brolley <brolley@redhat.com>
959
960 * traps.c (frvbf_division_exception): Check for masked overflow and
961 set NE flags, if necessary.
962 (frvbf_check_recovering_store): Queue writes to the hardware.
963 (check_registers_available): Removed.
964 (which_registers_available): Call frv_{fr,gr}_registers_available.
965 (frvbf_clear_ne_flags): Call check_register_access.
966 (frvbf_commit): Call check_register_access.
967 * registers.h (frv_fr_registers_available): New function.
968 (frv_gr_registers_available): New function.
969 (frv_check_register_access): New function.
970 (frv_check_gr_access): New function.
971 (frv_check_fr_access): New function.
972 * registers.c (frv_spr): Correct initial value of ISR.
973 (fr500_spr): Correct initial value of ISR.
974 (frv_fr_registers_available): New function.
975 (frv_gr_registers_available): New function.
976 (frv_check_register_access): New function.
977 (frv_check_gr_access): New function.
978 (frv_check_fr_access): New function.
979 * interrupts.c (frv_queue_division_exception_interrupt): New function.
980 (set_isr_exception_fields): New function.
981 (set_exception_status_registers): Set ISR fields for division exception.
982 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
983 * frv.c (frvbf_h_gr_get_handler): New function.
984 (frvbf_h_gr_set_handler): New function.
985 (frvbf_h_fr_get_handler): New function.
986 (frvbf_h_fr_set_handler): New function.
987 (frvbf_h_spr_get_handler): Remove special handling for ISR.
988 (frvbf_h_spr_set_handler): Remove special handling for ISR.
989 (spr_isr_get_handler): Removed.
990 (spr_isr_set_handler): Removed.
991 (frvbf_signed_integer_divide): New funciton.
992 (frvbf_unsigned_integer_divide): New funciton.
993 * frv-sim.h (frvbf_h_gr_get_handler): New function.
994 (frvbf_h_gr_set_handler): New function.
995 (frvbf_h_fr_get_handler): New function.
996 (frvbf_h_fr_set_handler): New function.
997 (frvbf_signed_integer_divide): New funciton.
998 (frvbf_unsigned_integer_divide): New funciton.
999 (frv_dtt): New enumeration.
1000 (struct frv_interrupt_queue_element): Add dtt member.
1001 (GET_ISR): New macro.
1002 (SET_ISR): New macro.
1003 (GET_ISR_EDEM): New macro.
1004 (SET_ISR_DTT): New macro.
1005 (SET_ISR_AEXC): New macro.
1006 (frvbf_division_exception): Add 2 'int' arguments.
1007 (frvbf_check_non_excepting_divide): Removed.
1008 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1009
10102000-02-29 Dave Brolley <brolley@redhat.com>
1011
1012 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1013 (frv_rett): Use hardware access macros. Write PSR as a whole.
1014 (next_available_nesr): Check that NECR is valid.
1015 (next_valid_nesr): Check that NECR is valid.
1016 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1017 call hardware access functions. Use cover macros.
1018 (check_registers_available): New function.
1019 (clear_nesr_near): Check register availability.
1020 (clear_ne_flags): Check register availability.
1021 (frvbf_clear_ne_flags): Check register availability.
1022 (frvbf_commit): Check register availability.
1023 (which_registers_available): New function.
1024 * sim-main.h (registers.h): #include it.
1025 (register_control): New cpu field.
1026 (CPU_REGISTER_CONTROL): New macro.
1027 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1028 (frv_power_on_reset): Initialize SPR registers and RSTR.
1029 (frv_hardware_reset): Initialize SPR registers and RSTR.
1030 (frv_software_reset): Reset SPR registers and RSTR.
1031 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1032 Call frv_cache_init.
1033 * mloop.in (main loop): Check for insn access interrupts before
1034 executing the insn.
1035 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1036 (frv_detect_insn_access_interrupts): Don't call hardware access
1037 functions directly. Use cover macros.
1038 (check_reset): Don't reset RSTR here.
1039 (next_available_esr): ESFR -> ESFR_FLAG.
1040 (next_available_edr): ESFR -> ESFR_FLAG.
1041 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1042 ESFR -> ESFR_FLAG.
1043 (frv_break_interrupt): Don't call hardware access functions directly.
1044 Use cover macros.
1045 (frv_program_or_software_interrupt): Ditto.
1046 (frv_external_interrupt): Ditto.
1047 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1048 (frvbf_store_register): Don't call 'set' functions directly.
1049 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1050 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1051 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1052 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1053 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1054 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1055 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1056 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1057 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1058 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1059 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1060 Support shadow registers.
1061 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1062 Support shadow registers.
1063 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1064 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1065 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1066 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1067 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1068 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1069 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1070 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1071 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1072 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1073 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1074 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1075 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1076 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1077 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1078 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1079 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1080 version 1.3a.
1081 (spr_ccr_get_handler): Don't reference the hardware directly.
1082 (spr_ccr_set_handler): Don't reference the hardware directly.
1083 (spr_cccr_get_handler): Don't reference the hardware directly.
1084 (spr_cccr_set_handler): Don't reference the hardware directly.
1085 (spr_sr_get_handler): New function.
1086 (spr_sr_set_handler): New function.
1087 (frvbf_switch_supervisor_user_context): Temporarily switch to
1088 supervisor mode.
1089 (frvbf_store_quad_GR): Don't call handler directly.
1090 (frvbf_store_quad_FRint): Don't call handler directly.
1091 (frvbf_store_quad_CPR): Don't call handler directly.
1092 (frvbf_clear_all_accumulators): Removed.
1093 (frvbf_clear_accumulators): New function.
1094 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1095 Account for in_ACCGi and out_ACCGk.
1096 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1097 (RSTR_SOFTWARE_RESET): New macro.
1098 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1099 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1100 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1101 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1102 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1103 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1104 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1105 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1106 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1107 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1108 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1109 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1110 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1111 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1112 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1113 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1114 (frvbf_clear_all_accumulators): Removed.
1115 (frvbf_clear_accumulators): New function.
1116 (GET_HSR0): Use GET_H_SPR.
1117 (SET_HSR0): Use SET_H_SPR.
1118 (CLEAR_HSR0_ICE): New macro.
1119 (CLEAR_HSR0_DCE): New macro.
1120 (GET_IHSR8): Use GET_H_SPR.
1121 (GET_PSR): New macro.
1122 (SET_PSR_ET): New macro.
1123 (GET_PSR_PS): New macro.
1124 (SET_PSR_S): New macro.
1125 (GET_ESFR): Changed to reference entire register.
1126 (SET_ESFR): Changed to reference entire register.
1127 (GET_ESFR_FLAG): New macro.
1128 (SET_ESFR_FLAG): New macro.
1129 (NECR_ELOS): Removed.
1130 (NECR_NEN): Removed.
1131 (NECR_VALID): Removed.
1132 (GET_NECR): New macro.
1133 (GET_NECR_ELOS): New macro.
1134 (GET_NECR_NEN): New macro.
1135 (GET_NECR_VALID): New macro.
1136 (NESR_RANGE): Removed.
1137 (GET_NESR): Use GET_H_SPR.
1138 (GET_NE_FLAGS): Use GET_H_SPR.
1139 * cache.h (CACHE_INITIALIZED): New macro.
1140 * Makefile.in (SIM_OBJS): Add registers.o.
1141 (SIM_EXTRA_DEPS): Add registers.h.
1142 (registers.o): New target.
1143 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1144
11452000-02-17 Dave Brolley <brolley@redhat.com>
1146
1147 * interrupts.c (frv_interrupt_table): Update priority order and handler
1148 offsets to conform to the architecture version 1.3a.
1149 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1150 to the architecture version 1.3a.
1151
11522000-02-17 Dave Brolley <brolley@redhat.com>
1153
1154 * interrupts.c (frv_interrupt_table): Update priority order and handler
1155 offsets to conform to the latest specifications.
1156 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1157 queued. New variable 'iclass' used to test for external interrupts.
1158 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1159 to the latest specifications.
1160
11612000-01-20 Dave Brolley <brolley@redhat.com>
1162
1163 * sim-if.c (sim_open): Move frv-specific initialization to
1164 frv_initialize in reset.c.
1165 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1166 status bits for hardware vs software reset.
1167 * reset.c: New file.
1168 * frv-sim.h (frv_initialize): New function.
1169 (frv_power_on_reset): New function.
1170 (frv_hardware_reset): New function.
1171 (frv_software_reset): New function.
1172 (RSTR_ADDRESS): New macro.
1173 (RSTR_INITIAL_VALUE): New macro.
1174 (GET_RSTR_HR): New macro.
1175 (GET_RSTR_SR): New macro.
1176 (SET_RSTR_H): New macro.
1177 (SET_RSTR_S): New macro.
1178 (CLEAR_RSTR_P): New macro.
1179 (CLEAR_RSTR_H): New macro.
1180 (CLEAR_RSTR_S): New macro.
1181 (CLEAR_RSTR_HR): New macro.
1182 (CLEAR_RSTR_SR): New macro.
1183
11842000-01-03 Dave Brolley <brolley@cygnus.com>
1185
1186 * mloop.in (execute): Only call modeling function if the pointer is not
1187 NULL.
1188 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1189 fr500.
1190
11912000-01-03 Dave Brolley <brolley@cygnus.com>
1192
1193 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1194 (frv_options): Add --memory-latency.
1195 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1196 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1197 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1198 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1199 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1200 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1201 (update_latencies): Only clear usage flags if the register has no
1202 target latency.
1203 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1204 not |= (or assgnment).
1205 (frvbf_model_insn_after): Print post processing wait for all insns.
1206 Update prev_acc_p1 and prev_acc_p2.
1207 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1208 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1209 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1210 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1211 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1212 (frvbf_model_fr500_u_media_quad_arith): New function.
1213 (frvbf_model_fr500_u_media_dual_mul): New function.
1214 (frvbf_model_fr500_u_media_quad_mul): New function.
1215 (frvbf_model_fr500_u_media_quad_complex): New function.
1216 (frvbf_model_fr500_u_media_dual_expand): New function.
1217 (frvbf_model_fr500_u_media_dual_unpack): New function.
1218 (frvbf_model_fr500_u_media_dual_btoh): New function.
1219 (frvbf_model_fr500_u_media_dual_htob): New function.
1220 (frvbf_model_fr500_u_media_dual_btohe): New function.
1221 (frv_ref_SI): New function.
1222 * cache.h (FRV_CACHE): Add memory_latency field.
1223 * cache.c (frv_cache_init): Initialize memory_latency.
1224 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1225
12261999-12-17 Dave Brolley <brolley@cygnus.com>
1227
1228 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1229 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1230 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1231 (OPTIONS_FRV_TIMER): New enumeration.
1232 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1233 (frv_option_handler): Override common implementation of -p. Handle
1234 --profile-cache, --profile-parallel, --timer.
1235 * mloop.in (execute): Call profiling functions if the timer interrupt
1236 is enabled.
1237 (@cpu@_simulate_insn_prefetch): New function.
1238 (main loop): Call @cpu@_simulate_insn_prefetch.
1239 * interrupts.c (frv_queue_interrupt): Don't queue two external
1240 interrupts of the same priority.
1241 (frv_queue_external_interrupt): New function.
1242 (frv_external_interrupt): New function.
1243 (handle_interrupt): Handle external interrupts.
1244 (check_reset): New function.
1245 (frv_process_interrupts): Call check_reset.
1246 * frv.c: Include "bfd.h"
1247 (frvbf_h_psr_get_handler): Set the PIL field.
1248 (frvbf_h_psr_set_handler): Get the PIL field.
1249 (DUAL_REG): New macro.
1250 (DUAL_DOUBLE): New macro.
1251 (SET_USE_IS_FPOP): New macro.
1252 (SET_USE_NOT_FPOP): New macro.
1253 (USE_IS_FPOP): New macro.
1254 (SET_USE_IS_MEDIA): New macro.
1255 (SET_USE_NOT_MEDIA): New macro.
1256 (USE_IS_MEDIA_P1): New macro.
1257 (SET_USE_IS_MEDIA_P1): New macro.
1258 (SET_USE_NOT_MEDIA_P1): New macro.
1259 (SET_USE_IS_MEDIA_P2): New macro.
1260 (SET_USE_NOT_MEDIA_P2): New macro.
1261 (USE_IS_MEDIA_P2): New macro.
1262 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1263 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1264 (ACC_USE_IS_MEDIA_P1): New macro.
1265 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1266 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1267 (ACC_USE_IS_MEDIA_P2): New macro.
1268 (RESOURCE_IDIV): New macro.
1269 (RESOURCE_FDIV): New macro.
1270 (RESOURCE_SQRT): New macro.
1271 (fr_busy_adjust): New array.
1272 (acc_busy_adjust): New array.
1273 (apply_latency_adjustments): New function.
1274 (update_latencies): New function.
1275 (handle_wait_cycles): New function.
1276 (handle_resource_wait): New function.
1277 (update_target_latencies): New function.
1278 (frvbf_model_insn_before): Add resource latency to cycle counts.
1279 (frvbf_model_insn_after): Add resource latency to cycle counts.
1280 (update_GR_latency): New function.
1281 (update_GRdouble_latency): New function.
1282 (update_FR_latency): New function.
1283 (update_FRdouble_latency): New function.
1284 (decrease_ACC_busy): New function.
1285 (decrease_FR_busy): New function.
1286 (increase_FR_busy): New function.
1287 (update_ACC_latency): New function.
1288 (update_CCR_latency): New function.
1289 (update_idiv_resource_latency): New function.
1290 (update_fdiv_resource_latency): New function.
1291 (update_fsqrt_resource_latency): New function.
1292 (vliw_wait_for_GR): New function.
1293 (vliw_wait_for_GRdouble): New function.
1294 (vliw_wait_for_FR): New function.
1295 (vliw_wait_for_FRdouble): New function.
1296 (vliw_wait_for_CCR): New function.
1297 (vliw_wait_for_ACC): New function.
1298 (vliw_wait_for_idiv_resource): New function.
1299 (vliw_wait_for_fdiv_resource): New function.
1300 (vliw_wait_for_fsqrt_resource): New function.
1301 (enforce_full_fr_latency): New function.
1302 (frvbf_model_fr500_u_exec): New function.
1303 (frvbf_model_fr500_u_integer): New function.
1304 (frvbf_model_fr500_u_imul): New function.
1305 (frvbf_model_fr500_u_idiv): New function.
1306 (frvbf_model_fr500_u_branch): New function.
1307 (frvbf_model_fr500_u_set_hilo): New function.
1308 (frvbf_model_fr500_u_gr_load_store): New function.
1309 (frvbf_model_fr500_u_fr_load_store): New function.
1310 (frvbf_model_fr500_u_swap): New function.
1311 (frvbf_model_fr500_u_fr2fr): New function.
1312 (frvbf_model_fr500_u_fr2gr): New function.
1313 (frvbf_model_fr500_u_spr2gr): New function.
1314 (frvbf_model_fr500_u_gr2fr): New function.
1315 (frvbf_model_fr500_u_gr2spr): New function.
1316 (post_wait_for_FR): New function.
1317 (post_wait_for_FRdouble): New function.
1318 (post_wait_for_ACC): New function.
1319 (post_wait_for_CCR): New function.
1320 (post_wait_for_fdiv): New function.
1321 (post_wait_for_fsqrt): New function.
1322 (adjust_float_register_busy): New function.
1323 (adjust_double_register_busy): New function.
1324 (restore_float_register_busy): New function.
1325 (restore_double_register_busy): New function.
1326 (frvbf_model_fr500_u_float_arith): New function.
1327 (frvbf_model_fr500_u_float_dual_arith): New function.
1328 (frvbf_model_fr500_u_float_div): New function.
1329 (frvbf_model_fr500_u_float_sqrt): New function.
1330 (frvbf_model_fr500_u_float_compare): New function.
1331 (frvbf_model_fr500_u_float_dual_compare): New function.
1332 (frvbf_model_fr500_u_float_convert): New function.
1333 (frvbf_model_fr500_u_media): New function.
1334 (frvbf_model_fr500_u_barrier): New function.
1335 (frvbf_model_fr500_u_membar): New function.
1336 * frv-sim.h (LEUINT): New macro.
1337 (GET_HSR0_SA): New macro.
1338 (struct frv_interrupt_timer): New struct.
1339 (struct frv_interrupt_state): Add timer fiield.
1340 (frv_queue_external_interrupt): New function.
1341 (frv_external_interrupt): New function.
1342 (frv_profile_info): New function.
1343 (PROFILE_CACHE_IDX): New enumerator.
1344 (PROFILE_PARALLEL_IDX): New enumerator.
1345 (PROFILE_cache): New macro.
1346 (PROFILE_parallel): New macro.
1347 (WITH_PROFILE_CACHE_P): New macro.
1348 (WITH_PROFILE_PARALLEL_P): New macro.
1349 * cache.h (FRV_CACHE): Add last_was_hit field.
1350 * cache.c (get_tag): Use new last_was_hit field.
1351 (frv_cache_read): Ditto.
1352 (frv_cache_write): Ditto.
1353 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1354
13551999-12-13 Dave Brolley <brolley@cygnus.com>
1356
1357 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1358 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1359 sim_queue_fn_di_write.
1360 (frvbf_media_cut_ss): New function.
1361 * frv-sim.h (frvbf_media_cut_ss): New function.
1362 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1363
13641999-12-13 Dave Brolley <brolley@cygnus.com>
1365
1366 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1367 no constraints.
1368 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1369 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1370 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1371 FRV_IS_MEDIA_INSN.
1372 * frv.c (frvbf_model_simple_u_exec): New function.
1373 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1374 (FRV_IS_MEDIA_INSN): Range includes M-8.
1375
1376 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1377 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1378 Regenerate.
1379
13801999-12-10 Dave Brolley <brolley@cygnus.com>
1381
1382 * traps.c (check_registers_available): New function.
1383 (clear_ne_flags): Generate register_exception if register(s) not
1384 available.
1385 (frvbf_commit): Generate register_exception if register(s) not
1386 available.
1387 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1388 GR4-GR7 to SR0-SR4.
1389 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1390 PSR.ESR.
1391 (frvbf_h_psr_s_set_handler): New function.
1392 (frvbf_h_psr_esr_set_handler): New function.
1393 (frvbf_switch_supervisor_user_context): New function.
1394 (frvbf_scan_result): Reflect latest ISA.
1395 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1396 (frvbf_h_psr_esr_set_handler): New function.
1397 (frvbf_switch_supervisor_user_context): New function.
1398 (GET_HSR0_FRN): New Macro.
1399 (GET_HSR0_GRN): New Macro.
1400 (GET_HSR0_FRHE): New Macro.
1401 (GET_HSR0_FRLE): New Macro.
1402 (GET_HSR0_GRHE): New Macro.
1403 (GET_HSR0_GRLE): New Macro.
1404 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1405 (GET_ESFR): New bit ordering.
1406 (SET_ESFR): New bit ordering.
1407 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1408
14091999-12-10 Michael Meissner <meissner@cygnus.com>
1410
1411 * Makefile.in (sim-if.o): Add eng.h dependency.
1412
14131999-12-09 Dave Brolley <brolley@cygnus.com>
1414
1415 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1416 Pass sc->last_insn_p to @cpu@_model_insn_before.
1417 (main loop): Compute sc->first_insn_p.
1418 * frv.c (frvbf_model_insn_before): Set state variables.
1419 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1420 (frvbf_model_fr500_u_integer): Remove.
1421 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1422
14231999-12-07 Dave Brolley <brolley@cygnus.com>
1424
1425 * sim-main.h (cache.h): Include it.
1426 (insn_cache): New member.
1427 (data_cache): New member.
1428 (CPU_INSN_CACHE): New macro.
1429 (CPU_DATA_CACHE): New macro.
1430 * sim-if.c (WANT_CPU): New macro.
1431 (WANT_CPU_FRVBF): New macro.
1432 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1433 data and insn caches for each cpu.
1434 (sim_close): Call frv_cache_term for the insn and data caches of each
1435 cpu.
1436 * mloop.in (extract): Read insn from the cache.
1437 (main loop): Access the insn cache in order to maintain stats.
1438 * memory.c (data_non_cache_access): New function.
1439 (insn_non_cache_access): New function.
1440 (frvbf_read_mem_QI): Attempt to read from the cache first.
1441 (frvbf_read_mem_UQI): Ditto.
1442 (frvbf_read_mem_HI): Ditto.
1443 (frvbf_read_mem_UHI): Ditto.
1444 (frvbf_read_mem_SI): Ditto.
1445 (frvbf_read_mem_DI): Ditto.
1446 (frvbf_read_mem_DF): Ditto.
1447 (frvbf_read_imem_USI): New function.
1448 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1449 (frvbf_write_mem_UQI): Ditto.
1450 (frvbf_write_mem_HI): Ditto.
1451 (frvbf_write_mem_UHI): Ditto.
1452 (frvbf_write_mem_SI): Ditto.
1453 (frvbf_write_mem_DI): Ditto.
1454 (frvbf_write_mem_DF): Ditto.
1455 (frvbf_mem_set_QI): New function.
1456 (frvbf_mem_set_HI): New function.
1457 (frvbf_mem_set_SI): New function.
1458 (frvbf_mem_set_DI): New function.
1459 (frvbf_mem_set_DF): New function.
1460 (frvbf_mem_set_XI): New function.
1461 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1462 CGEN_FN_MEM_QI_WRITE,
1463 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1464 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1465 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1466 Call sim_queue_fn_mem_xi_write.
1467 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1468 Call sim_queue_fn_mem_xi_write.
1469 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1470 Call sim_queue_fn_mem_xi_write.
1471 (frvbf_insn_cache_preload): New function.
1472 (frvbf_data_cache_preload): New function.
1473 (frvbf_insn_cache_unlock): New function.
1474 (frvbf_data_cache_unlock): New function.
1475 (frvbf_insn_cache_invalidate): New function.
1476 (frvbf_data_cache_invalidate): New function.
1477 (frvbf_data_cache_flush): New function.
1478 * frv-sim.h (sim-options.h): Include it.
1479 (GET_HSR0): New macro.
1480 (SET_HSR0): New macro.
1481 (GET_HSR0_ICE): New macro.
1482 (SET_HSR0_ICE): New macro.
1483 (GET_HSR0_DCE): New macro.
1484 (SET_HSR0_DCE): New macro.
1485 (GET_HSR0_CBM): New macro.
1486 (GET_HSR0_RME): New macro.
1487 (GET_IHSR8): New macro.
1488 (GET_IHSR8_NBC): New macro.
1489 (frvbf_insn_cache_preload): New function.
1490 (frvbf_data_cache_preload): New function.
1491 (frvbf_insn_cache_unlock): New function.
1492 (frvbf_data_cache_unlock): New function.
1493 (frvbf_insn_cache_invalidate): New function.
1494 (frvbf_data_cache_invalidate): New function.
1495 (frvbf_data_cache_flush): New function.
1496 (insn_non_cache_access): New function.
1497 (frvbf_read_imem_USI): New function.
1498 (frvbf_mem_set_QI): New function.
1499 (frvbf_mem_set_HI): New function.
1500 (frvbf_mem_set_SI): New function.
1501 (frvbf_mem_set_DI): New function.
1502 (frvbf_mem_set_DF): New function.
1503 (frvbf_mem_set_XI): New function.
1504 (frv_options): FRV specific command line options.
1505 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1506 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1507 (cache.o): New target.
1508 (options.o): New target.
1509 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1510 * cache.h: New file.
1511 * cache.c: New file.
1512 * options.c: New file.
1513
15141999-11-29 Dave Brolley <brolley@cygnus.com>
1515
1516 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1517 (frvbf_check_non_excepting_divide): Ditto.
1518 (clear_ne_flags): Ditto
1519 (frvbf_commit): Ditto.
1520 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1521 * mloop.in (_parallel_write_init): Clear NE flags here.
1522 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1523 for non excepting insns. Also check for masked interrupts here.
1524 (frv_process_interrupts): Write NE flags here.
1525 (set_fp_exception_registers): No longer check for masked interrupts
1526 here.
1527 (check_for_compound_interrupt): No need to worry about masked
1528 interrupts.
1529 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1530 (GET_NE_FLAGS): New macro.
1531 (SET_NE_FLAGS): New macro.
1532 (GET_NE_FLAG): Operate on accumulated argument.
1533 (SET_NE_FLAG): Operate on accumulated argument.
1534 (CLEAR_NE_FLAG): Operate on accumulated argument.
1535 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1536 (frv.o): Correct dependencies.
1537 (traps.o): Ditto.
1538 (pipeline.o): Ditto.
1539 (interrupts.o): Ditto.
1540 (memory.o): Ditto.
1541 * sem.c: Regenerate.
1542
15431999-11-26 Dave Brolley <brolley@cygnus.com>
1544
1545 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1546 there is an exception indicated in the mask.
1547 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1548 state when adding a floating point insn to the pipeline.
1549 * interrupts.c (set_fp_exception_registers): Set NE flag for
1550 non-excepting insns.
1551 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1552 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1553 (frvbf_h_fr_int_get_handler): New function.
1554 (frvbf_h_fr_int_set_handler): New function.
1555 (frvbf_set_ne_index): New function.
1556 (NE_NOFLAG): New macro.
1557 (frv_interrupt_state): Add ne_index member.
1558 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1559 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1560 (frvbf_h_fr_int_get_handler): New function.
1561 (frvbf_h_fr_int_set_handler): New function.
1562 (frvbf_set_ne_index): New function.
1563 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1564
15651999-11-24 Dave Brolley <brolley@cygnus.com>
1566
1567 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1568
15691999-11-23 Dave Brolley <brolley@cygnus.com>
1570
1571 * frv-sim.h (frvbf_media_cut): New function.
1572 * frv.c (frvbf_media_cut): New function.
1573 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1574
15751999-11-22 Dave Brolley <brolley@cygnus.com>
1576
1577 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1578 * frv.c.h (frvbf_clear_all_accumulators): New function.
1579 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1580
15811999-11-18 Dave Brolley <brolley@cygnus.com>
1582
1583 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1584 if this is the first insn of its class in the pipeline.
1585 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1586 * traps.c (frvbf_media_register_not_aligned): New function.
1587 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1588
15891999-11-17 Dave Brolley <brolley@cygnus.com>
1590
1591 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1592 * frv-sim.h (OR_MSR_SIE): New macro.
1593 (CLEAR_MSR_SIE): New macro.
1594 (frvbf_media_overflow): Now takes sie argument.
1595 (frv_set_mp_exception_registers): Now takes sie argument.
1596 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1597 Set MSRx.SIE field.
1598 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1599
16001999-11-15 Dave Brolley <brolley@cygnus.com>
1601
1602 * traps.c (frv_mtrap): New function.
1603 (frvbf_media_cr_not_aligned): New function.
1604 (frvbf_media_acc_not_aligned): New function.
1605 (frvbf_media_overflow): New function.
1606 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1607 * interrupts.c: Call frv_set_mp_exception_registers.
1608 (frv_set_mp_exception_registers): New function.
1609 * frv-sim.h (frv_msr_mtt): New enumeration.
1610 (GET_MSR): New macro.
1611 (SET_MSR): New macro.
1612 (GET_MSR_AOVF): New macro.
1613 (SET_MSR_AOVF): New macro.
1614 (GET_MSR_OVF): New macro.
1615 (SET_MSR_OVF): New macro.
1616 (CLEAR_MSR_OVF): New macro.
1617 (GET_MSR_MTT): New macro.
1618 (SET_MSR_MTT): New macro.
1619 (frv_set_mp_exception_registers): New function.
1620 (frv_mtrap): New function.
1621 (FRV_IS_MEDIA_INSN): New macro.
1622 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1623
16241999-11-10 Dave Brolley <brolley@cygnus.com>
1625
1626 * sim-main.h (_sim_cpu): Add debug_state member.
1627 * mloop.in (_parallel_write_queued): Clear data_written.length.
1628 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1629 handler is 0xff.
1630 (frv_queue_break_interrupt): New function.
1631 (frv_break_interrupt): New function.
1632 (handle_interrupt): Handle break_interrupt.
1633 (frv_non_operating_interrupt): Now takes interrupt_kind.
1634 * frv-sim.h (frv_queue_break_interrupt): New function.
1635 (frv_break_interrupt): New function.
1636 (frv_break): New function.
1637 (frv_non_operating_interrupt): Now takes interrupt_kind.
1638 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1639
16401999-11-09 Dave Brolley <brolley@cygnus.com>
1641
1642 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1643 a floating point insn.
1644 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1645 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1646 frv_queue_fp_exception_interrupt.
1647 (frv_queue_fp_exception_interrupt): New function.
1648 (next_available_fq): New function.
1649 (set_fp_exception_registers): New function.
1650 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1651 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1652 (frv_program_interrupt): Don't process interrupt if it is masked.
1653 * frv.c (frvbf_h_fr_double_get_handler): Call
1654 frv_queue_fp_exception_interrupt.
1655 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1656 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1657 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1658 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1659 (frv_fp_exception_info): New struct type.
1660 (frv_interrupt_queue_element): Add fp_info member.
1661 (frv_fsr_traps): New enumeration.
1662 (frv_fsr_ftt): New enumeration.
1663 (frv_sie): New enumeration.
1664 (frv_miv): New enumeration.
1665 (GET_FSR): New macro.
1666 (SET_FSR): New macro.
1667 (GET_FSR_TEM): New macro.
1668 (SET_FSR_QNE): New macro.
1669 (SET_FSR_FTT): New macro.
1670 (GET_FSR_AEXC): New macro.
1671 (SET_FSR_AEXC): New macro.
1672 (GET_FQ): New macro.
1673 (SET_FQ): New macro.
1674 (SET_FQ_OPC): New macro.
1675 (SET_FQ_MIV): New macro.
1676 (SET_FQ_SIE): New macro.
1677 (SET_FQ_FTT): New macro.
1678 (SET_FQ_CEXC): New macro.
1679 (GET_FQ_VALID): New macro.
1680 (SET_FQ_VALID): New macro.
1681 (frv_queue_fp_exception_interrupt): New function.
1682 (FRV_IS_FLOAT_INSN): New macro.
1683
16841999-11-04 Dave Brolley <brolley@cygnus.com>
1685
1686 * traps.c (frvbf_fpu_error): No floating point errors need to be
1687 detected.
1688 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1689 of the ESR registers too.
1690 (set_exception_status_registers): Don't set EAR for any precise
1691 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1692 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1693 (non_operating_interrupt): No need for return code.
1694 (frv_program_or_software_interrupt): Process interrupt regardless
1695 of operating mode. If PSR.ET was not set at the start of processing,
1696 then stop the simulation with a message.
1697 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1698 CGEN_MEM_XI_WRITE.
1699 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1700 (frvbf_h_fr_quad_set_handler): New function.
1701 (frvbf_h_cpr_quad_set_handler): New function.
1702 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1703 sim_queue_fn_xi_write.
1704 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1705 sim_queue_fn_xi_write.
1706 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1707 sim_queue_fn_xi_write.
1708 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1709 sim_queue_mem_xi_write.
1710 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1711 sim_queue_mem_xi_write.
1712 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1713 sim_queue_mem_xi_write.
1714 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1715 (frvbf_h_fr_quad_set_handler): New function.
1716 (frvbf_h_cpr_quad_set_handler): New function.
1717 (SET_ESR_VALID): New macro.
1718 (CLEAR_ESR_VALID): New macro.
1719 (CLEAR_ESR_EAV): New macro.
1720 (CLEAR_ESR_EDV): New macro.
1721 * sem.c: Regenerate.
1722
17231999-11-02 Dave Brolley <brolley@cygnus.com>
1724
1725 * traps.c (frv_core_signal): Call
1726 frv_queue_mem_address_not_aligned_interrupt.
1727 * mloop.in (_parallel_write_queued): Call
1728 frv_save_data_written_for_interrupts.
1729 * frv.c (frvbf_h_gr_double_get_handler): Call
1730 frv_queue_register_exception_interrupt.
1731 (frvbf_h_cpr_double_get_handler): Call
1732 frv_queue_register_exception_interrupt.
1733 (frvbf_h_cpr_double_set_handler): Call
1734 frv_queue_register_exception_interrupt.
1735 (frvbf_load_multiple_GR): Call
1736 frv_queue_register_exception_interrupt.
1737 (frvbf_store_multiple_GR): Call
1738 frv_queue_register_exception_interrupt.
1739 (frvbf_load_multiple_CPR): Call
1740 frv_queue_register_exception_interrupt.
1741 (frvbf_store_multiple_CPR): Call
1742 frv_queue_register_exception_interrupt.
1743 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1744 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1745 queue element.
1746 (frv_queue_program_interrupt): Now returns interrupt queue element.
1747 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1748 element.
1749 (frv_queue_interrupt): Now returns interrupt queue element.
1750 (frv_queue_register_exception_interrupt): New function.
1751 (frv_queue_mem_address_not_aligned_interrupt): New function.
1752 (frv_save_data_written_for_interrupts): New function.
1753 (next_available_edr): EDR registers available in blocks of 4.
1754 (clear_exception_status_registers): New function.
1755 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1756
1757 * frv-sim.h (struct frv_data_written): New struct type.
1758 (frv_interrupt_queue_element): Add data_written member.
1759 (frv_queue_software_interrupt): Now returns interrupt queue element.
1760 (frv_queue_program_interrupt): Now returns interrupt queue element.
1761 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1762 element.
1763 (frv_queue_interrupt): Now returns interrupt queue element.
1764 (frv_queue_register_exception_interrupt): New function.
1765 (frv_queue_mem_address_not_aligned_interrupt): New function.
1766 (frv_save_data_written_for_interrupts): New function.
1767
17681999-10-27 Dave Brolley <brolley@cygnus.com>
1769
1770 * interrupts.c (ITABLE_ENTRY): New macro.
1771 (frv_interrupt_table): Add exception codes.
1772 (next_available_esr): New function.
1773 (next_available_edr): New function.
1774 (set_edr_register): New function.
1775 (set_exception_status_registers): New function.
1776 (check_for_compound_interrupt): Record information on all interrupts
1777 found.
1778 (frv_program_interrupt): Always call check_for_compound_interrupt.
1779 * frv.c (frvbf_h_pc_set_handler): Removed.
1780 (frvbf_h_spr_get_handler): Handle LR register.
1781 (frvbf_h_spr_set_handler): Handle LR register.
1782 (frvbf_h_lr_get_handler): New function.
1783 (frvbf_h_lr_set_handler): New function.
1784 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1785 (frvbf_h_lr_set_handler): New function.
1786 (frv_ec): New enumeration.
1787 (frv_interrupt): Add frv_ec field.
1788 (frv_rec): New enumeration.
1789 (frv_daec): New enumeration.
1790 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1791 (SET_ESR_EC): New macro.
1792 (SET_ESR_REC): New macro.
1793 (SET_ESR_IAEC): New macro.
1794 (SET_ESR_DAEC): New macro.
1795 (SET_ESR_EAV): New macro.
1796 (GET_ESR_EDV): New macro.
1797 (SET_ESR_EDV): New macro.
1798 (GET_ESR_EDN): New macro.
1799 (SET_ESR_EDN): New macro.
1800 (GET_ESR): New macro.
1801 (SET_ESR): New macro.
1802 (SET_EPCR): New macro.
1803 (SET_EAR): New macro.
1804 (SET_EDR): New macro.
1805 (GET_ESFR): New macro.
1806 (SET_ESFR): New macro.
1807 * cpu.c,cpu.h,sem.c: Rebuild.
1808
18091999-10-26 Dave Brolley <brolley@cygnus.com>
1810
1811 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1812 if mach is frv.
1813 (clear_nesr_neear): Only execute if mach is frv.
1814
18151999-10-22 Dave Brolley <brolley@cygnus.com>
1816
1817 * sim-main.h (sim_cpu): Add pipeline.
1818 (CPU_PIPELINE): New macro.
1819 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1820 (main loop): Maintain pc in cpu.
1821 * frv-sim.h (frv_queue_software_interrupt): New interface.
1822 (frv_queue_program_interrupt): New interface.
1823 (frv_queue_illegal_instruction_interrupt: New interface.
1824 (frv_queue_interrupt): New interface.
1825 (frv_detect_insn_access_interrupts): New interface.
1826 (frv_process_interrupts): New interface.
1827 (frv_program_interrupt): New interface.
1828 (frv_software_interrupt): New interface.
1829 (frv_program_or_software_interrupt): New interface.
1830 (FRV_PIPELINE): Moved from pipline.c.
1831 (frv_pipeline_reset): New interface.
1832 (frv_pipeline_add_insn): New interface.
1833 * interrupts.c (frv_queue_software_interrupt): New interface.
1834 (frv_queue_program_interrupt): New interface.
1835 (frv_queue_illegal_instruction_interrupt: New interface.
1836 (frv_queue_interrupt): New interface.
1837 (frv_detect_insn_access_interrupts): New interface.
1838 (frv_process_interrupts): New interface.
1839 (frv_program_interrupt): New interface.
1840 (frv_software_interrupt): New interface.
1841 (frv_program_or_software_interrupt): New interface.
1842 * frv.c: Use new interfaces.
1843 * pipeline.c: Use new interfaces.
1844 * traps.c: Use new interfaces.
1845 * memory.c: Use new interfaces.
1846 (frv_address_forbidden): No longer static.
1847
18481999-10-19 Dave Brolley <brolley@cygnus.com>
1849
1850 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1851 NESR.EC.
1852 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1853 * frv.c (frvbf_h_pc_set_handler): New function.
1854 * interrupts.c (frv_detect_data_interrupt): Removed.
1855 (address_forbidden): Removed.
1856 * frv-sim.h (frv_detect_data_interrupt): Removed.
1857 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1858 (NESR_REGISTER_NOT_ALIGNED): New macro.
1859 (NESR_UQI_SIZE): New macro.
1860 (NESR_QI_SIZE): New macro.
1861 (NESR_UHI_SIZE): New macro.
1862 (NESR_HI_SIZE): New macro.
1863 (NESR_SI_SIZE): New macro.
1864 (NESR_DI_SIZE): New macro.
1865 (NESR_XI_SIZE): New macro.
1866 (GET_NESR_DAEC): New macro.
1867 (SET_NESR_DAEC): New macro.
1868 (GET_NESR_REC): New macro.
1869 (SET_NESR_REC): New macro.
1870 (GET_NESR_EC): New macro.
1871 (SET_NESR_EC): New macro.
1872 (frvbf_read_mem_QI): New function.
1873 (frvbf_read_mem_UQI): New function.
1874 (frvbf_read_mem_HI): New function.
1875 (frvbf_read_mem_UHI): New function.
1876 (frvbf_read_mem_SI): New function.
1877 (frvbf_read_mem_WI): New function.
1878 (frvbf_read_mem_DI): New function.
1879 (frvbf_read_mem_DF): New function.
1880 (frvbf_write_mem_QI): New function.
1881 (frvbf_write_mem_UQI): New function.
1882 (frvbf_write_mem_HI): New function.
1883 (frvbf_write_mem_UHI): New function.
1884 (frvbf_write_mem_SI): New function.
1885 (frvbf_write_mem_WI): New function.
1886 (frvbf_write_mem_DI): New function.
1887 (frvbf_write_mem_DF): New function.
1888 * Makefile.in (SIM_OBJS): Add memory.o.
1889 * cpu.c,cpu.h,sem.c: Rebuild.
1890
18911999-10-18 Dave Brolley <brolley@cygnus.com>
1892
1893 * sim-if.c (sim_open): Use a real fpu error function.
1894 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
1895 * mloop.in (_parallel_write_queued): Clear queue after writing.
1896 * interrupts.c (check_for_compound_interrupt): New function.
1897 (non_operating_interrupt): New function.
1898 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
1899 (frvbf_h_gr_double_set_handler): New function.
1900 (frvbf_h_fr_double_get_handler): New function.
1901 (frvbf_h_fr_double_set_handler): New function.
1902 (frvbf_h_cpr_double_get_handler): New function.
1903 (frvbf_h_cpr_double_set_handler): New function.
1904 (frv_interrupt_queue_element): New struct type.
1905 (frv_queue_program_interrupt): Now takes pc.
1906 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1907 (frv_queue_interrupt): Now takes pc.
1908 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1909 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1910 (frvbf_division_exception): New function.
1911 (frvbf_fpu_error): New function.
1912 (frvbf_load_multiple_GR): New function.
1913 (frvbf_load_multiple_FR): New function.
1914 (frvbf_load_multiple_CPR): New function.
1915 * frv.c (frvbf_h_gr_double_get_handler): New function.
1916 (frvbf_h_gr_double_set_handler): New function.
1917 (frvbf_h_fr_double_get_handler): New function.
1918 (frvbf_h_fr_double_set_handler): New function.
1919 (frvbf_h_cpr_double_get_handler): New function.
1920 (frvbf_h_cpr_double_set_handler): New function.
1921 (frv_interrupt_queue_element): New struct type.
1922 (frv_queue_program_interrupt): Now takes pc.
1923 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1924 (frv_queue_interrupt): Now takes pc.
1925 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1926 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1927 (frvbf_fpu_error): New function.
1928 (frvbf_load_multiple_GR): New function.
1929 (frvbf_load_multiple_FR): New function.
1930 (frvbf_load_multiple_CPR): New function.
1931 * traps.c (frvbf_division_exception): New function.
1932 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1933
19341999-10-12 Dave Brolley <brolley@cygnus.com>
1935
1936 * mloop.in (new_vpc): New variable.
1937 (main loop): Call frv_detect_insn_access_interrupts. Call
1938 frv_detect_data_interrupts.
1939 * interrupts.c (access_queued_to): New function.
1940 (frv_detect_data_interrupts): New function.
1941 (frv_detect_insn_access_interrupts): New function.
1942 (frv_program_or_software_interrupt): Set PSR.S.
1943 * frv-sim.h (frv_detect_data_interrupts): New function.
1944 (frv_detect_insn_interrupts): New function.
1945
19461999-10-07 Dave Brolley <brolley@cygnus.com>
1947
1948 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
1949 (frvbf_h_gr_hi_set_handler): New function.
1950 (frvbf_h_gr_lo_get_handler): New function.
1951 (frvbf_h_gr_lo.set_handler): New function.
1952 * frv.c (frvbf_h_gr_hi_get_handler): New function.
1953 (frvbf_h_gr_hi_set_handler): New function.
1954 (frvbf_h_gr_lo_get_handler): New function.
1955 (frvbf_h_gr_lo.set_handler): New function.
1956 (frvbf_model_fr500_u_integer): New function.
1957 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
1958
19591999-10-04 Dave Brolley <brolley@cygnus.com>
1960
1961 * traps.c: Use sim_engine_abort.
1962 * pipeline.c (frv_pipeline): Add field for insn major.
1963 (add_next_to_pipe): Return address of matching pipeline.
1964 (find_major_in_pipeline): New function.
1965 (check_insn_major_constraints: New function.
1966 (frv_pipeline_add_insn): Add checks for insn major constraints.
1967 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
1968 * frv.c (frvbf_h_spr_get_handler): No need to abort.
1969
1970Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
1971
1972 * pipeline.c: New file.
1973 * mloop.in (main loop): Call frv_pipeline_reset.
1974 Call frv_pipeline_add_insn.
1975 * frv-sim.h (frv_pipeline_reset): New function.
1976 (frv_pipeline_add_insn): New function.
1977 * Makefile.in (SIM_OBJS): Add pipeline.o
1978
19791999-09-29 Doug Evans <devans@casey.cygnus.com>
1980
1981 * sem.c: Rebuild.
1982 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
1983 result to SEM_PC. Return vpc.
1984
1985Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
1986
1987 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
1988 (frv_queue_interrupt): Don't detect identical interrupts here.
1989
1990Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
1991
1992 * interrupts.c: New file.
1993 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
1994 (frv_software_interrupt): Moved to interrupts.c.
1995 (frv_itrap): New interface. Call frv_queue_software_interrupt.
1996 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
1997 (@cpu@_perform_writeback): New function.
1998 (main loop): Call frv_process_interrupts.
1999 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2000 (frv_itrap): New interface.
2001 (frv_interrupt_class): New enumeration.
2002 (frv_interrupt_kind): New enumeration.
2003 (struct frv_interrupt): New struct type.
2004 (frv_interrupt_table): New table of interrupt information.
2005 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2006 (struct frv_interrupt_state): New struct type.
2007 (frv_interrupt_state): New global variable.
2008 (previous_vliw_pc): New global variable.
2009 (frv_queue_software_interrupt): New function.
2010 (frv_queue_program_interrupt): New function.
2011 (frv_queue_interrupt): New function.
2012 (frv_process_interrupts): New function.
2013 (frv_program_interrupt): New function.
2014 (frv_software_interrupt): New function.
2015 (frv_program_or_software_interrupt): New function.
2016 (frv_clear_interrupt_classes): New function.
2017 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2018 * Makefile.in (SIM_OBJS): Add interrupts.o
2019 * sem.c: Rebuild.
2020
20211999-09-25 Doug Evans <devans@casey.cygnus.com>
2022
2023 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2024
2025Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2026
2027 * mloop.in (main loop): Determine last insn from scache entry.
2028 * cpu.h: Rebuild.
2029 * cpuall.h: Rebuild.
2030
2031Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2032
2033 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2034 (NECR_ELOS): Define as unshifted value.
2035 (NECR_NEN): Define as unshifted value.
2036 (NECR_VALID): Define as unshifted value.
2037 (SET_NESR): Rewite to use post-write queue.
2038 (SET_NESR_VALID): Rewite to operate on argument.
2039 (SET_NESR_EAV): Rewite to operate on argument.
2040 (SET_NESR_FR): Rewite to operate on argument.
2041 (CLEAR_NESR_FR): Rewite to operate on argument.
2042 (SET_NESR_DRN): Rewite to operate on argument.
2043 (SET_NESR_SIZE): Rewite to operate on argument.
2044 (SET_NESR_NEAN): Rewite to operate on argument.
2045 (SET_NEEAR): Rewite to use post-write queue.
2046 (SET_NE_FLAG): Rewite to use post-write queue.
2047 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2048 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2049 (frv_rett): Rewite to use post-write queue.
2050 (next_available_nesr): Rewrite to use new macro interfaces.
2051 (next_valid_nesr): Ditto.
2052 (frvbf_check_non_excepting_load): Ditto.
2053 (frvbf_check_recovering_store): Ditto.
2054 (clear_nesr_neear): Ditto.
2055 (clear_ne_flags): Ditto.
2056 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2057 when flag is set.
2058 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2059 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2060 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2061 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2062 * Makefile.in (frv.o): Depend on cgen-par.h.
2063
2064Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2065
2066 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2067 (frvbf_write_next_vliw_addr_to_LR): New flag.
2068 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2069 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2070 address of the next VLIW insn if flag is set.
2071 * cpu.h,decode.c,sem.c: Rebuild.
2072
2073Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2074
2075 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2076 * sem.c: Rebuild.
2077
20781999-09-02 Doug Evans <devans@casey.cygnus.com>
2079
2080 * configure: Regenerated to track ../common/aclocal.m4 changes.
2081
20821999-09-01 Doug Evans <devans@casey.cygnus.com>
2083
2084 * decode.c: Rebuild.
2085
2086Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2087
2088 * traps.c (frv_rett): New function.
2089 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2090 (frvbf_h_spr_set_handler): Handle bpsr.
2091 (frvbf_h_bpsr_get_handler): New function.
2092 (frvbf_h_bpsr_set_handler): New function.
2093 * frv-sim.h (frv_rett): New function.
2094 (frvbf_h_bpsr_get_handler): New function.
2095 (frvbf_h_bpsr_set_handler): New function.
2096 * mloop.in: Read actual packing bit.
2097 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2098
2099Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2100
2101 * traps.c (WANT_CPU): New macro.
2102 (WANT_CPU_FRVBF): New macro.
2103 (frvbf_check_recovering_store): Use registers for source and queue
2104 writes.
2105 * mloop.in: New main loop for parallel support.
2106 (@cpu@_parallel_write_init): New function.
2107 (@cpu@_parallel_write_queued): New function.
2108 * frv-sim.h (set_icc_for_shift_left): New interface.
2109 (set_icc_for_shift_right): New interface.
2110 (frvbf_check_recovering_store): New interface.
2111 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2112 (set_icc_for_shift_right): Pass and return icc value.
2113 (frvbf_check_recovering_store): New interface.
2114 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2115 (stamp-mloop): Add cgen parallel options.
2116 (stamp-arch): Remove with-profile option.
2117 (stamp-cpu): Add cgen parallel options.
2118 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2119
21201999-08-28 Doug Evans <devans@casey.cygnus.com>
2121
2122 * cpu.h,decode.c,sem.c: Rebuild.
2123
2124Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2125
2126 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2127
2128Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2129
2130 * configure.in: fr500 now the default model.
2131 * configure: Regenerate.
2132 * frv.c: Change frv-1 to frv-gen.
2133 (frvbf_model_fr500_u_exec): New function.
2134 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2135 * mloop.in: Fix typos in comments.
2136 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2137
21381999-08-17 Dave Brolley <brolley@cygnus.com>
2139
2140 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2141
21421999-08-09 Doug Evans <devans@casey.cygnus.com>
2143
2144 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2145
21461999-08-04 Doug Evans <devans@casey.cygnus.com>
2147
2148 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2149
2150Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2151
2152 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2153 (frvbf_store_register): Use GDB register number macros.
2154 (frvbf_cut): New function.
2155 * frv-sim.h (GR_REGNUM_MAX): New macro.
2156 (FR_REGNUM_MAX): New macro.
2157 (PC_REGNUM): New macro.
2158 (LR_REGNUM): New macro.
2159 (frvbf_cut): New function.
2160 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2161
21621999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2163
2164 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2165 add default for unhandled registers.
2166 (frvbf_store_register): Add ability to set LR register.
2167
21681999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2169
2170 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2171 (decode_gdb_dr_regnum): Remove, not used.
2172
21731999-07-13 Michael Meissner <meissner@cygnus.com>
2174
2175 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2176
2177 * configure.in (--enable-sim-trapdump): New switch to make unknown
2178 traps dump the register contents, instead of doing the trap thing.
2179 * configure: Regenerate.
2180
2181 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2182 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2183 temporarily.
2184
2185 * traps.h (toplevel): Include bfd.h, libiberity.h.
2186 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2187 dumping the registers.
2188
2189Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2190
2191 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2192
2193Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2194
2195 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2196
2197Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2198
2199 * frv.c (frvbf_square_root_SF): Removed.
2200 (frvbf_square_root_DF): Removed.
2201 (frvbf_h_fr_double_get_handler): Removed.
2202 (frvbf_h_fr_double_set_handler): Removed.
2203 (frvbf_h_fr_int_get_handler): Removed.
2204 (frvbf_h_fr_int_set_handler): Removed.
2205 * frv-sim.h (frvbf_square_root_SF): Removed.
2206 (frvbf_square_root_DF): Removed.
2207 (frvbf_h_fr_double_get_handler): Removed.
2208 (frvbf_h_fr_double_set_handler): Removed.
2209 (frvbf_h_fr_int_get_handler): Removed.
2210 (frvbf_h_fr_int_set_handler): Removed.
2211 * decode.c,decode.h,model.c,sem.c: Rebuild.
2212
22131999-07-05 Doug Evans <devans@casey.cygnus.com>
2214
2215 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2216 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2217 * sim-if.c (sim_open): Initialize fpu.
2218 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2219 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2220 with frvbf_h_fr_get.
2221
2222Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2223
2224 * frv-sim.h (NESR_RANGE): New macro.
2225 (NO_NESR): New macro.
2226 (GET_NESR_VALID): New macro.
2227 (next_ne_index): Removed.
2228 * traps.c (next_available_nesr): New function.
2229 (next_valid_nesr): New function.
2230 (frvbf_check_non_excepting_load): Use next_available_nesr.
2231 (frvbf_check_recovering_store): Use next_available_nesr and
2232 next_valid_nesr.
2233 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2234 (frvbf_check_recovering_store): Only consider one matching register.
2235 * sem.c: Rebuild.
2236
2237Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2238
2239 * frv.c (frvbf_square_root_SF): New function.
2240 (frvbf_square_root_DF): New function.
2241 (frvbf_h_fr_double_get_handler): New function.
2242 (frvbf_h_fr_double_set_handler): New function.
2243 * frv-sim.h (frvbf_square_root_SF): New function.
2244 (frvbf_square_root_DF): New function.
2245 (frvbf_h_fr_double_get_handler): New function.
2246 (frvbf_h_fr_double_set_handler): New function.
2247 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2248
22491999-06-28 Dave Brolley <brolley@cygnus.com>
2250
2251 * decode.c,decode.h,model.c,sem.c: Regenerate.
2252
2253Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2254
2255 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2256 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2257 (frvbf_h_fr_int_set_handler): New function.
2258 (frvbf_store_multiple_FRint): New function.
2259 (frvbf_square_root_SF): New function.
2260 * frv.c (frvbf_h_fr_int_get_handler): New function.
2261 (frvbf_h_fr_int_set_handler): New function.
2262 (frvbf_store_multiple_FRint): New function.
2263 (frvbf_square_root_SF): New function.
2264 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2265
22661999-06-23 Doug Evans <devans@casey.cygnus.com>
2267
2268 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2269 to genmloop.sh. Pass -scache instead.
2270 (mloop.o): Delete sem-switch.c dependency.
2271 (sem-switch.c): Delete rule.
2272 (stamp-cpu): Don't build sem-switch.c.
2273 * sem-switch.c: Delete.
2274 * mloop.in (xfull-exec-*): Fix call to execute.
2275 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2276
2277 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2278
2279Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2280
2281 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2282
2283Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2284
2285 * mloop.in (execute): Force gr0 to zero before each insn.
2286 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2287
22881999-06-18 Doug Evans <devans@casey.cygnus.com>
2289
2290 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2291
2292Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2293
2294 * frv.c (frvbf_h_gr_get_handler): New function.
2295 (frvbf_h_gr_set_handler): New function:
2296 (frvbf_store-multiple_GR): New function:
2297 (frvbf_store-multiple_FR): New function:
2298 (frvbf_store-multiple_CPR): New function:
2299 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2300 (frvbf_h_gr_set_handler): New function:
2301 (frvbf_store-multiple_GR): New function:
2302 (frvbf_store-multiple_FR): New function:
2303 (frvbf_store-multiple_CPR): New function:
2304 * traps.c (frv_itrap): Implement proper syscalls interface.
2305 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2306
2307Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2308
2309 * traps.c (frvbf_check_non_excepting_divide): New function.
2310 (frvbf_check_recovering_store): New function.
2311 (clear_nesr_neear): New function.
2312 (clear_ne_flags): New function.
2313 (frvbf_commit): New function.
2314
2315 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2316 (frvbf_check_recovering_store): New function.
2317 (clear_nesr_neear): New function.
2318 (clear_ne_flags): New function.
2319 (frvbf_commit): New function.
2320 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2321
23221999-06-16 Dave Brolley <brolley@cygnus.com>
2323
2324 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2325 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2326 * traps.c (next_ne_index): New variable.
2327 (frvbf_check_non_excepting_load): New function.
2328 * frv-sim.h (NECR_ELOS): New macro.
2329 (NECR_NEN): New macro.
2330 (NECR_VALID): New macro.
2331 (SET_NESR_VALID): New macro.
2332 (SET_NESR_EAV): New macro.
2333 (SET_NESR_FR): New macro.
2334 (CLEAR_NESR_FR): New macro.
2335 (SET_NESR_DRN): New macro.
2336 (SET_NESR_SIZE): New macro.
2337 (SET_NESR_NEAN): New macro.
2338 (SET_NEEAR): New macro.
2339 (GET_NE_FLAG): New macro.
2340 (SET_NE_FLAG): New macro.
2341 (CLEAR_NE_FLAG): New macro.
2342 (frvbf_check_non_excepting_load): New function:
2343 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2344
2345Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2346
2347 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2348
2349Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2350
2351 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2352 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2353
2354Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2355
2356 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2357
23581999-06-07 Dave Brolley <brolley@cygnus.com>
2359
2360 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2361
2362Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2363
2364 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2365
2366Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2367
2368 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2369
2370Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2371
2372 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2373
2374Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2375
2376 * traps.c (frv_software_interrupt): Pass current_cpu to
2377 frvbf_h_psr_esr_get.
2378 (frv_software_interrupt): Calculate the new PC based on TBR.
2379 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2380
23811999-05-31 Dave Brolley <brolley@cygnus.com>
2382
2383 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2384
2385Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2386
2387 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2388 (frvbf_h_cccr_set_handler): New function.
2389 (frvbf_scan_result): New function.
2390 (frvbf_cr_logic): New function.
2391 * frv.c (frvbf_h_cccr_get_handler): New function.
2392 (frvbf_h_cccr_set_handler): New function.
2393 (frvbf_scan_result): New function.
2394 (frvbf_cr_logic): New function.
2395 (cr_ops,cr_result,cr_logic): New table.
2396 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2397
23981999-05-25 Dave Brolley <brolley@cygnus.com>
2399
2400 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2401 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2402 (frv_psr_get_handler): New function.
2403 (frv_psr_set_handler): New function.
2404 (frv_tbr_get_handler): New function.
2405 (frv_tbr_set_handler): New function.
2406 (frvbf_h_ccr_get_handler): Add support for fCC.
2407 (frvbf_h_ccr_set_handler): Add support for fCC.
2408 * frv-sim.h (frv_psr_get_handler): New function.
2409 (frv_psr_set_handler): New function.
2410 (frv_tbr_get_handler): New function.
2411 (frv_tbr_set_handler): New function.
2412 * traps.c (frv_software_interrupt): Implement.
2413 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2414
2415Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2416
2417 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2418
24191999-05-18 Dave Brolley <brolley@cygnus.com>
2420
2421 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2422 (frvbf_set_icc_for_shift_right): New function.
2423 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2424 (frvbf_set_icc_for_shift_right): New function.
2425 (SETMEMSF): New Macro.
2426 (SETMEMDF): New Macro.
2427 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2428
2429Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2430
2431 * frv.c (frvbf_h_ccr_get_handler): New function.
2432 (frvbf_h_ccr_set_handler): New function.
2433 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2434
2435Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2436
2437 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2438 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2439 * frv.c: Likewise.
2440 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2441
24421999-05-10 Dave Brolley <brolley@cygnus.com>
2443
2444 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2445
2446Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2447
2448 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2449 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2450
2451Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2452
2453 * traps.c (frv_software_interrupt): New function.
2454 (frv_itrap): New function.
2455 * frv-sim.h (TRAP_SYSCALL): define as 0.
2456 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2457
2458Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2459
2460 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2461
2462Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2463
2464 * Directory created.
A mirror of the official binutils-gdb repository