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[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
fc0a2244
AC		 12003-10-30 Andrew Cagney <cagney@redhat.com>
2
3 * traps.c: Replace "struct symbol_cache_entry" with "struct
4 bfd_symbol".
5
29a79ca0
DB		 62003-10-10 Dave Brolley <brolley@redhat.com>
7
8 * cpu.h, sem.c: Regenerate.
9
e930b1f5
DB		 102003-10-06 Dave Brolley <brolley@redhat.com>
11
12 * profile-fr550.[ch]: New files.
13 * configure.in: Move frv handling to alphabetically correct placement.
14 * Makefile.in: Add fr550 support.
15 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
16 profile.[ch],registers.c,traps.c: Add fr550 support.
17 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
18 Regenerate.
19
22f367a7
DB		 202003-09-25 Dave Brolley <brolley@redhat.com>
21
22 * reset.c (frv_initialize): Call frv_register_control_init first.
23
1c453cd6
DB		 242003-09-24 Dave Brolley <brolley@redhat.com>
25
26 * profile.h (update_FR_ptime): New prototype.
27 (update_FRdouble_ptime): Ditto.
28 (update_SPR_ptime): Ditto.
29 (increase_ACC_busy): Ditto.
30 (enforce_full_acc_latency): Ditto.
31 (post_wait_for_SPR): Ditto.
32 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
33 (update_FRdouble_ptime): Ditto.
34 (update_SPR_ptime): New function.
35 (increase_ACC_busy): Ditto.
36 (enforce_full_acc_latency): Ditto.
37 (vliw_wait_for_fdiv_resource): Correct resource name.
38 (vliw_wait_for_fsqrt_resource): Ditto.
39 (post_wait_for_SPR): New function.
40 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
41 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
42 adjust_float_register_busy.
43 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
44 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
45 registers.
46 (frvbf_model_fr500_u_float_arith): Ditto.
47 (frvbf_model_fr500_u_float_dual_arith): Ditto.
48 (frvbf_model_fr500_u_float_div): Ditto.
49 (frvbf_model_fr500_u_float_sqrt): Ditto.
50 (frvbf_model_fr500_u_float_convert): Ditto.
51 (update_FR_ptime): Moved to profile.c
52 (update_FRdouble_ptime): Moved to profile.c
53 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
54 for other machines.
55 (update_FRdouble_ptime): Ditto.
56 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
57
153431d6
DB		 582003-09-12 Dave Brolley <brolley@redhat.com>
59
60 * registers.c (frv_check_spr_read_access): Check for access to
61 ACC4-ACC63 and ACCG4-ACCG63.
62 * profile.h (frv-desc.h): #include it.
63 (spr_busy): New member of FRV_PROFILE_STATE.
64 (spr_latency): Ditto.
65 (GNER_FOR_GR): New macro.
66 (FNER_FOR_FR): New maccro.
67 (update_SPR_latency): New function.
68 (vliw_wait_for_SPR): New function.
93938d47 69 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 70 (update_target_latencies): Ditto.
71 (update_SPR_latency): New function.
72 (vliw_wait_for_SPR): New function.
73 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
74 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
75 (frvbf_model_fr500_u_check): Ditto.
76 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
77 (frvbf_model_fr500_u_clrfr): Ditto.
78 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
79 (frvbf_model_fr500_u_gr2spr): Ditto.
80 * frv-sim.h (H_SPR_ACC4): New macro.
81 (H_SPR_ACCG4): New macro;
82 (H_SPR_ACC0): Removed.
83 (H_SPR_ACCG0): Removed.
84 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
85
ba9c4053
DB		 862003-09-10 Dave Brolley <brolley@redhat.com>
87
88 * profile.c (slot_names): FM1 was listed twice. Changed first
89 instance to FM0. Added IALL, FMALL and FMLOW.
90 (print_parallel): Don't examine slots with no insns.
91
f9e18f5a
DB		 922003-09-09 Dave Brolley <brolley@redhat.com>
93
94 * frv.c (do_media_average): Select machine using a switch.
95
d89a78b6
DB		 962003-09-08 Dave Brolley <brolley@redhat.com>
97
98 On behalf of Doug Evans <dje@sebabeach.org>
99 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
100 Remove copying of .cpu file to cgen/cpu, no longer needed.
101
d03ea14f
DB		 1022003-09-03 Dave Brolley <brolley@redhat.com>
103
104 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
105
e8d2f504
DB		 1062003-08-29 Dave Brolley <brolley@redhat.com>
107
108 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
109 temporarily when regenerating files.
110 (stamp-cpu): Ditto.
111
b34f6357
DB		 1122003-08-20 Micheal Snyder <msnyder@redhat.com>
113
114 * All generated files: Regenerate.
115
1162001-10-11 Dave Brolley <brolley@redhat.com>
117
118 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
119
1202001-10-09 Dave Brolley <brolley@redhat.com>
121
122 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
123 not set.
124 * reset.c (frv_hardware_reset): Invalidate both caches.
125 * registers.c: Update init, reset and read-only masks for all registers
126 on all machines.
127 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
128 (prev_gr_complex): New field of FRV_PROFILE_STATE
129 (set_use_is_gr_complex): New function.
130 (set_use_not_gr_complex): New function.
131 (use_is_gr_complex): New function.
132 (decrease_GR_busy): New function.
133 * profile.c (reset_gr_flags): New function.
134 (reset_cc_flags): New function.
135 (set_use_is_gr_complex): New function.
136 (set_use_not_gr_complex): New function.
137 (use_is_gr_complex): New function.
138 (update_latencies): Reset gr and cc flags when latency reaches 0.
139 (decrease_GR_busy): New function.
140 * profile-fr400.h (fr500_reset_acc_flags): Removed.
141 (fr500_reset_cc_flags): New function.
142 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
143 LSI version 1.41.
144 * profile-fr400.h (fr400_reset_gr_flags): New function.
145 (fr400_reset_fr_flags): New function.
146 (fr400_reset_acc_flags): New function.
147 * profile-fr400.c (set_use_not_media_p4): New function.
148 (set_use_not_media_p6): New function.
149 (set_acc_use_not_media_p2): New function.
150 (set_acc_use_not_media_p4): New function.
151 (fr400_reset_gr_flags): New function.
152 (fr400_reset_fr_flags): New function.
153 (fr400_reset_acc_flags): New function.
154 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
155 (frvbf_model_fr400_u_media_hilo): New function.
156 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
157 * memory.c (fr400_check_data_read_address): Check address range only
158 for double word loads. Don't check alignment here.
159 (fr400_check_readwrite_address): New function.
160 (fr500_check_readwrite_address): New function.
161 (check_readwrite_address): New function.
162 (fr500_check_insn_read_address): Correct address ranges.
163 (frvbf_read_mem_*): Check address range here.
164 (frv_address_forbidden): Removed.
165 (fr400_check_write_address): New function.
166 (check_write_address): New function.
167 (frvbf_write_mem_*): Don't check address range here.
168 (frvbf_mem_set_*): Check address range here.
169 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
170 address as second argument.
171 (frv_queue_data_access_exception_interrupt): New function.
172 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
173 media insns on fr400.
174 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
175 for media insns on fr400.
176 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
177 of insns here. Check for MTRAP insn if PSR.EM is not set.
178 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
179 set.
180 (set_exception_status_registers): Do not always set EPCR. Set EAR for
181 data_acess_error only if not fr400.
182 * frv.c (do_media_average): New function.
183 (frvbf_media_average): New function.
184 (frvbf_insn_cache_invalidate): Check for illegal invocation.
185 (frvbf_data_cache_invalidate): Ditto.
186 (frvbf_data_cache_flush): Ditto.
187 * frv-sim.h (GET_FSR_QNE): New macro.
188 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
189 (GET_MSR_SRDAV): New macro.
190 (GET_MSR_RDAV): New macro.
191 (GET_MSR_RD): New macro.
192 (frv_queue_data_access_error_interrupt): Now takes an address as second
193 argument.
194 (frv_address_forbidden): Removed.
195 * cache.c (non_cache_access): Correct address ranges. Now takes cache
196 as first argument.
197 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
198
1992001-08-20 Dave Brolley <brolley@redhat.com>
200
201 * sim-main.h (_sim_cpu): New field 'elf_flags'.
202 * sim-if.c (sim_open): Extract the elf_flags from the input file and
203 save them with each cpu.
204 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
205 last_insn_p before executing the insn.
206 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
207 insn cache.
208 (frv_cache_invalidate_all): Ditto.
209
2102001-08-20 Richard Sandiford <rsandifo@redhat.com>
211
212 * traps.c (syscall_read_mem): Flush the data cache before reading.
213 (syscall_write_mem): Flush the data cache before writing.
214 Invalidate both caches.
215
2162001-07-05 Ben Elliston <bje@redhat.com>
217
218 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
219 (stamp-cpu): Likewise.
220
2212001-05-23 Dave Brolley <brolley@redhat.com>
222
223 * profile-fr400.c (acc_use_is_media_p2): New function.
224 (frvbf_model_fr400_u_media_2): Account for latency of output
225 accumulators.
226 (frvbf_model_fr400_u_media_2_quad): Ditto.
227 (frvbf_model_fr400_u_media_2_acc): New function.
228 (frvbf_model_fr400_u_media_2_acc_dual): New function.
229 (frvbf_model_fr400_u_media_2_add_sub): New function.
230 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
231 (frvbf_model_fr400_u_media_3_dual): New function.
232 (frvbf_model_fr400_u_media_4_acc_dual): New function.
233 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
234
2352001-05-15 Dave Brolley <brolley@redhat.com>
236
237 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
238 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
239 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
240 (request_cache_flush): Save 'all' argument.
241 (request_cache_invalidate): Save all_cache_entries from profile state
242 to 'all' field of the request.
243 (submit_cache_request): Pass the 'all' field of the request to
244 frv_cache_request_invalidate.
245 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
246 operation even if HSR0.ICE is not set.
247 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
248 operation even if HSR0.DCE is not set.
249 (frv_data_cache_flush): Ditto.
250 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
251 (frv_data_cache_invalidate): Add new 'all' parameter.
252 (frv_data_cache_flush): Add new 'all' parameter.
253 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
254 (frv_cache_request_invalidate): Add new 'all' parameter.
255 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
256 its value in the invalidate request.
257 (address_interference): Accept the value '-1' for the address argument
258 to mean 'any address'.
259 (handle_req_invalidate): Handle request to invalidate all cache lines.
260 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
261
2622001-05-14 Dave Brolley <brolley@redhat.com>
263
264 * profile.h (past_first_p): New field of profiling state.
265 (branch_penalty): Ditto.
266 (branch_hint): Ditto.
267 (update_branch_penalty): New function.
268 * profile.c (frvbf_model_insn_after): Reset past_first_p and
269 branch_address fields of the profiling state.
270 (frvbf_model_branch): New function.
271 (update_branch_penalty): New function.
272 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
273 FCCi_3 inputs.
274 (frvbf_model_fr500_u_trap): New function.
275 (frvbf_model_fr500_u_check): New function.
276 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
277 cycles.
278 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
279 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
280 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
281 documented in teh fr400 LSI.
282 (frvbf_model_fr400_u_media_dual_htob): Ditto.
283 (frvbf_model_fr400_u_media_dual_unpack): Removed.
284 (frvbf_model_fr500_u_trap): New function.
285 (frvbf_model_fr500_u_check): New function.
286 * mloop.in (simulate_dual_insn_prefetch): New function.
287 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
288 arguments for each machine type.
289 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
290
2912001-05-09 Dave Brolley <brolley@redhat.com>
292
293 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
294 (profile-fr400.o): New target.
295 * profile.c: New file.
296 * profile.h: New file.
297 * profile-fr400.c: New file.
298 * profile-fr400.h: New file.
299 * profile-fr500.c: New file.
300 * profile-fr500.h: New file.
301 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
302
3032001-05-02 Dave Brolley <brolley@redhat.com>
304
305 * sim-main.h (profile.h): #include it.
306 (CPU_PROFILE_STATE): New macro.
307 (profile_state): New frv specific cpu field.
308 * reset.c (frv_initialize): insn_fetch_address and branch_address now
309 part of global profiling state.
310 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
311 (SIM_EXTRA_DEPS): Add profile.h.
312 (registers.o): Correct name of source file.
313 (profile.o): New target.
314 (profile-fr500.o): New target.
315 * frv-sim.h: Move profile related data structures to profile.h.
316 * frv.c: Move fr500 specific functions to profile-fr500.c.
317 * cpu.h: Regenerated.
318
3192001-04-27 Dave Brolley <brolley@redhat.com>
320
321 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
322 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
323 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
324 Rename PIPE_* to UNIT_*.
325 (frv_queue_illegal_instruction_interrupt): Use
326 frv_is_float_insn and frv_is_media_insn.
327 (frv_queue_non_implemented_instruction_interrupt): Ditto.
328 (frv_detect_insn_access_interrupts): Ditto.
329 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
330 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
331 * memory.c: Ditto.
332 * pipeline.c: Ditto.
333 * mloop.in: Ditto.
334 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
335 * cache.c: Rename PIPE_* to UNIT_*.
336
3372001-04-24 Dave Brolley <brolley@redhat.com>
338
339 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
340 (frvbf_load_quad_FRint): Ditto.
341 (frvbf_load_quad_CPR): Ditto.
342 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
343 machines.
344 (bfd.h): #include it.
345 (non_cache_access): Update for revised fr500 and for fr400.
346 * registers.c (frv_spr): Don't reset PSR.PS.
347 (fr500_spr): Ditto.
348 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
349
3502001-04-23 Dave Brolley <brolley@redhat.com>
351
352 * traps.c (frv_core_signal): On fr400, generate data_access_error.
353 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
354 (frvbf_media_acc_not_aligned): Ditto.
355 (frvbf_media_register_not_aligned): Ditto.
356 (frvbf_division_exception): Use GET_ISR_EDE.
357 * registers.c (frv_check_spr_read_access): New function.
358 (frv_check_spr_write_access): New function.
359 (frv_check_spr_access): Deleted.
360 (frv_check_register_access): On fr400, generate illegal_instruction.
361 * memory.c (fr400_check_data_read_address): New function.
362 (fr500_check_data_read_address): Ditto.
363 (check_data_read_address): Ditto.
364 (fr400_check_insn_read_address): Ditto.
365 (fr500_check_insn_read_address): Ditto.
366 (check_insn_read_address): Ditto.
367 (frvbf_read_mem_QI): Call check_data_read_access.
368 (frvbf_read_mem_UQI): Ditto.
369 (frvbf_read_mem_HI): Ditto.
370 (frvbf_read_mem_UHI): Ditto.
371 (frvbf_read_mem_SI): Ditto.
372 (frvbf_read_mem_DI): Ditto.
373 (frvbf_read_mem_DF): Ditto.
374 (frvbf_read_imem_USI): Call check_insn_read_access.
375 (frv_address_forbidden): Now takes cpu as first argument. Check based
376 on machine type.
377 (fr400_mem_address_unaligned): New function.
378 (fr500_mem_address_unaligned): Ditto.
379 (check_write_address): Ditto.
380 (frvbf_mem_set_QI): Call check_write_address.
381 (frvbf_mem_set_HI): Ditto.
382 (frvbf_mem_set_SI): Ditto.
383 (frvbf_mem_set_DI): Ditto.
384 (frvbf_mem_set_DF): Ditto.
385 (frvbf_mem_set_XI): Ditto.
386 * interrupts.c (bfd.h): #include it.
387 (frv_queue_data_access_error_interrupt): New function.
388 (frv_queue_instruction_access_error_interrupt): New function.
389 (frv_queue_instruction_access_exception_interrupt): New function.
390 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
391 (frv_queue_non_implemented_instruction_interrupt): Ditto.
392 (frv_detect_insn_access_interrupts): Reorder tests to match priority
393 from the LSI manual.
394 (set_isr_exception_fields): Accumulate dtt bits.
395 * frv.c (check_register_alignment): New function.
396 (check_fr_register_alignment): New function.
397 (check_memory_alignment): New function.
398 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
399 (frvbf_h_gr_double_set_handler): Ditto.
400 (frvbf_h_cpr_double_get_handler): Ditto.
401 (frvbf_h_cpr_double_set_handler): Ditto.
402 (frvbf_h_gr_quad_set_handler): Ditto.
403 (frvbf_h_cpr_quad_set_handler): Ditto.
404 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
405 (frvbf_h_fr_double_set_handler): Ditto.
406 (frvbf_h_fr_quad_set_handler): Ditto.
407 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
408 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
409 (frvbf_load_quad_GR): Call check_memory_aligment.
410 (frvbf_load_quad_FRint): Ditto.
411 (frvbf_load_quad_CPR): Ditto.
412 (frvbf_store_quad_GR): Call check_memory_aligment and
413 check_register_alignment.
414 (frvbf_store_quad_FRint): Ditto.
415 (frvbf_store_quad_CPR): Ditto.
416 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
417 * frv-sim.h (H_SPR_ACC0): New macro.
418 (H_SPR_ACC63): New macro.
419 (H_SPR_ACCG0): New macro.
420 (H_SPR_ACCG63): New macro.
421 (frv_dtt): New enumerator.
422 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
423 (GET_ISR_DTT): New macro.
424 (frv_queue_data_access_error_interrupt): New function.
425 (frv_queue_instruction_access_error_interrupt): New function.
426 (frv_queue_instruction_access_exception_interrupt): New function.
427 (frv_address_forbidden): Now takes cpu as first argument.
428 * cpu.h: Regenerate.
429
4302001-04-10 Dave Brolley <brolley@redhat.com>
431
432 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
433 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
434 (fr400_spr): Implement SPR registers for fr400.
435 (frv_register_control_init): Handle bfd_mach_fr400 properly.
436 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
437 (spr_psr_get_handler): Ditto.
438 (spr_ccr_get_handler): Ditto.
439 (spr_cccr_get_handler): Ditto.
440 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
441 * frv-sim.h: Update comment about MCCR_* macros.
442 * cpu.c,cpu.h: Regenerate.
443
4442001-04-05 Dave Brolley <brolley@redhat.com>
445
446 * cpu.h,decode.c,model.c,sem.c: Regenerate.
447
4482001-04-05 Dave Brolley <brolley@redhat.com>
449
450 * reset.c: Update copyright.
451 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
452 * frv.c (frvbf_model_fr400_u_exec): New function.
453 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
454 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
455 Regenerate.
456
4572000-11-22 Dave Brolley <brolley@redhat.com>
458
459 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
460 Regenerate.
461
4622000-11-10 Dave Brolley <brolley@redhat.com>
463
464 * decode.c: Regenerate.
465
4662000-09-12 Dave Brolley <brolley@redhat.com>
467
468 * traps.c (frv_sim_engine_halt_hook): New function.
469 (frv_itrap): Caches now invalidated in sim_engine_halt via
470 SIM_ENGINE_HALT_HOOK.
471 (frv_break): Ditto.
472 * sim-main.h (frv_sim_engine_halt_hook): New function.
473 (SIM_ENGINE_HALT_HOOK): New macro.
474 (SIM_ENGINE_RESTART_HOOK): New macro.
475 * interrupts.c: Call to frv_term now done within sim_engine_halt via
476 SIM_ENGINE_HALT_HOOK.
477
4782000-09-08 Dave Brolley <brolley@redhat.com>
479
480 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
481 respectively when stopping for a breakpoint.
482 (frv_break): Ditto.
483 * cache.h (frv_cache_invalidate_all): New function.
484 * cache.c (frv_cache_invalidate_all): New function.
485
4862000-09-05 Dave Brolley <brolley@redhat.com>
487
488 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
489 sim_handle_breakpoint. Otherwise if environment != operating call
490 sim_engine_halt. Otherwise handle normally.
491 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
492 breakpoints here. Moved to frv_break in traps.c.
493
494 * sem.c: Regenerate.
495
4962000-09-01 Dave Brolley <brolley@redhat.com>
497
498 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
499 before queuing an interrupt in order to allow 'break' to be used as
500 the breakpoint insn.
501
5022000-08-29 Dave Brolley <brolley@redhat.com>
503
504 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
505
5062000-07-27 Dave Brolley <brolley@redhat.com>
507
508 * cpu.h,decode.c: Rebuild.
509
5102000-07-26 Dave Brolley <brolley@redhat.com>
511
512 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
513 (spr_cccr_set_handler): Change CRx to CCx.
514 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
515
5162000-07-24 Dave Brolley <brolley@redhat.com>
517
518 * sem.c: Regenerate.
519 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
520 Don't write it directly.
521
522Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
523
524 * configure: Regenerated to track ../common/aclocal.m4 changes.
525
5262000-07-05 Ben Elliston <bje@redhat.com>
527
528 * configure: Regenerated to track ../common/aclocal.m4 changes.
529
5302000-06-28 Dave Brolley <brolley@redhat.com>
531
532 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
533
5342000-06-21 Dave Brolley <brolley@redhat.com>
535
536 * pipeline.c: All code except frv_pipeline_setup_insn moved to
537 frv.opc.
538 * mloop.in (main loop): frv_pipeline_add_insn broken up into
539 frv_pipeline_add_insn and frv_pipeline_setup_insn.
540 * frv-sim.h: Move pipeline status code to frv.opc.
541 * model.c: Regenerate.
542
5432000-06-12 Dave Brolley <brolley@redhat.com>
544
545 * options.c (frv_option_handler): --profile-parallel implies
546 --profile-model.
547 * mloop.in (fetch_buffer): Removed.
548 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
549 run_caches. Use cache directly if not counting cycles. Don't use
550 cache at all if not counting cycles and cache not enabled.
551 * frv.c (frv_insn_fetch_buffer): New global variable.
552 (run_caches): Monitor the status of insn prefetch requests.
553 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
554 (frv_insn_fetch_buffer): New global variable.
555
5562000-06-12 Dave Brolley <brolley@redhat.com>
557
558 * mloop.in (fetch_buffer): New static struct.
559 (@cpu@_simulate_insn_prefetch): Rewritten.
560 * cache.c (frv_cache_request_invalidate): Don't invalidate return
561 buffer.
562 (address_interference): Defer to any WAR request in either pipeline.
563
5642000-06-09 Dave Brolley <brolley@redhat.com>
565
566 * pipeline.c (insns_in_slot): New Array.
567 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
568 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
569 option.
570 (parse_cache_option): New function.
571 (frv_option_handler): Call parse_cache_option.
572 * frv.c (vliw_branch_taken): New variable.
573 (vliw_load_stall): New variable.
574 (handle_resource_wait): Update vliw_load_stall.
575 (frvbf_model_insn_before): Initialize vliw_branch_taken and
576 vliw_load_stall.
577 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
578 (load_wait_for_FR): Update vliw_load_stall.
579 (load_wait_for_GR): Update vliw_load_stall.
580 (load_wait_for_FRdouble): Update vliw_load_stall.
581 (load_wait_for_GRdouble): Update vliw_load_stall.
582 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
583 (slot_names): New static array.
584 (print_parallel): Now takes second argument 'verbose'. Print cycles per
585 VLIW insn and instructions per cycle. Also tabulate the number of insns
586 in each type of VLIW slot.
587 (frv_profile_info): Call print_parallel with new second argument.
588 * frv-sim.h (insn_in_slot): New array.
589 (COUNT_INSNS_IN_SLOT): New macro.
590 (INSNS_IN_SLOT): New macro.
591 * cache.c: Remove references to non_blocking_count. Remove references to
592 last_was_hit. Remove references to req_none.
593 (handle_req_store): Adjust statistics before requeuing the store
594 request.
595 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
596 * cache.h: Remove references to non_blocking_count. Remove references to
597 last_was_hit. Remove references to req_none.
598 * model.c: Regenerate.
599
6002000-06-08 Dave Brolley <brolley@redhat.com>
601
602 * frv.c (request_complete): Copy load data from the correct return
603 buffer.
604
6052000-06-07 Dave Brolley <brolley@redhat.com>
606
607 * traps.c (frv_core_signal): Call frv_term before exiting.
608 (frv_itrap): Call frv_term before exiting.
609 (next_available_nesr): Make sure NECR is implemented before reading it.
610 (next_valid_nesr): Ditto.
611 (frvbf_check_non_excepting_load): Ditto.
612 (frvbf_clear_ne_flags): Ditto.
613 (frvbf_commit): Ditto.
614 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
615 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
616 store_flag members.
617 (CPU_LOAD_ADDRESS): New macro.
618 (CPU_LOAD_LENGTH): New macro.
619 (CPU_LOAD_SIGNED): New macro.
620 (CPU_LOAD_LOCK): New macro.
621 * reset.c (frv_term): New function.
622 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
623 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
624 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
625 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
626 the insn. Model the insn in two passes. One before and one after
627 execution.
628 (cache_reqno): new static variable.
629 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
630 cache rather than assuming a fixed latency.
631 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
632 enabled so that modeling data is collected by cgen during execution.
633 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
634 * memory.c (data_non_cache_access): Removed.
635 (insn_non_cache_access): Removed.
636 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
637 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
638 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
639 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
640 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
641 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
642 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
643 (frvbf_read_imem_USI): Read the cache or ememory passively.
644 (frvbf_write_mem_QI): Don't check for non-cache access here.
645 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
646 (frvbf_write_mem_HI): Don't check for non-cache access here.
647 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
648 (frvbf_write_mem_SI): Don't check for non-cache access here.
649 (frvbf_write_mem_DI): Don't check for non-cache access here.
650 (frvbf_write_mem_DF): Don't check for non-cache access here.
651 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
652 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
653 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
654 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
655 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
656 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
657 * interrupts.c (check_reset): Read the cache and memory passively.
658 (frv_program_or_software_interrupt): Call frv_term before calling
659 sim_engine_halt.
660 * frv.c (all modeling functions): Break into two passes. One before
661 execuetion and one after. call load_wait_for_* for all GR and FR
662 registers.
663 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
664 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
665 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
666 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
667 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
668 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
669 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
670 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
671 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
672 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
673 (model_insn): New global variable.
674 (fr_ptime): New array.
675 (cache_request): New enumeration.
676 (CACHE_QUEUE_ELEMENT): New struct type.
677 (CACHE_QUEUE_SIZE): New macro.
678 (cache_queue): New static struct.
679 (request_cache_load): New function.
680 (request_cache_flush): New function.
681 (request_cache_invalidate): New function.
682 (request_cache_preload): New function.
683 (request_cache_unlock): New function.
684 (submit_cache_request): New function.
685 (activate_cache_requests): New function.
686 (load_pending_for_register): New function.
687 (flush_pending_for_address): New function.
688 (remove_cache_queue_element): New function.
689 (copy_load_data): New function.
690 (request_complete): New function.
691 (run_caches): New function.
692 (frv_model_trace_wait_cycles): New function.
693 (wait_for_flush): New function.
694 (frvbf_model_insn_before): Insn prefect wait now modeled in
695 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
696 wait_for_flush.
697 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
698 vliw_insns here anymore.
699 (update_FR_latency_for_load): New function.
700 (update_FRdouble_latency_for_load): New function.
701 (update_FR_ptime): New function.
702 (update_FRdouble_ptime): New function.
703 (update_GR_latency_for_swap): New function.
704 (load_wait_for_GR): New function.
705 (load_wait_for_FR): New function.
706 (load_wait_for_GRdouble): New function.
707 (load_wait_for_FRdouble): New function.
708 (frvbf_model_fr500_u_ici): New function.
709 (frvbf_model_fr500_u_dci): New function.
710 (frvbf_model_fr500_u_dcf): New function.
711 (frvbf_model_fr500_u_icpl): New function.
712 (frvbf_model_fr500_u_dcpl): New function.
713 (frvbf_model_fr500_u_icul): New function.
714 (frvbf_model_fr500_u_dcul): New function.
715 * frv-sim.h (frv_term): New function.
716 (insn_non_cache_access): Removed.
717 (FRV_COUNT_CYCLES): New macro.
718 (frv_save_peofile_model_p): New global variable.
719 (model_insn): New enumerated global variable.
720 (frv_model_advance_cycles): New function.
721 (frv_model_trace_wait_cycles): New function.
722 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
723 (FRV_CACHE_WAR_REQUEST): New struct type.
724 (FRV_CACHE_STORE_REQUEST): New struct type.
725 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
726 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
727 (FRV_CACHE_REQUEST): New struct type.
728 (FRV_CACHE_RETURN_BUFFER): New struct type.
729 (FRV_CACHE_FLUSH_STATUS): New struct type.
730 (FRV_CACHE_STATUS): New struct type.
731 (FRV_CACHE_STAGE): New struct type.
732 (FRV_CACHE_STAGES): New enumeration.
733 (FRV_CACHE_WAR): New struct type.
734 (FRV_CACHE_PIPELINE): New struct type.
735 (FRV_CACHE_ARS): New struct type.
736 (FRV_CACHE_STATISTICS): New struct type.
737 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
738 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
739 (CACHE_RETURN_DATA_ADDRESS): New macro.
740 (frv_cache_read): Now takes pipe index as second argument.
741 (frv_cache_enabled): New function.
742 (frv_cache_request_load): New function.
743 (frv_cache_request_store): New function.
744 (frv_cache_request_invalidate): New function.
745 (frv_cache_request_preload): New function.
746 (frv_cache_request_unlock): New function.
747 (frv_cache_run): New function.
748 (frv_cache_read_passive_SI): New function.
749 (frv_cache_data_in_buffer): New function.
750 (frv_cache_data_flushed): New function.
751 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
752 (frv_cache_enabled): New function.
753 (non_cache_access): New function.
754 (write_data_to_memory): Count write accesses for each mode. Write to
755 memory using sim_core_write_unaligned_1;
756 (read_data_from_memory): New function.
757 (fill_line_from_memory): Use read_data_from_memory.
758 (copy_line_to_return_buffer): New function.
759 (copy_memory_to_return_buffer): New function.
760 (set_return_buffer_reqno): New function.
761 (frv_cache_read): Now takes pipe index as second argument. Check for
762 non-cache access.
763 (frv_cache_preload): Check for non-cache access.
764 (frv_cache_unlock): Check for non-cache access.
765 (invalidate_return_buffer): New function.
766 (frv_cache_invalidate): Check for non-cache access.
767 (convert_slot_to_index): New function.
768 (FREE_CHAIN_SIZE): New macro.
769 (frv_cache_request_free_chain): New static variable.
770 (frv_store_request_free_chain): New static variable.
771 (allocate_new_cache_requests): New function.
772 (new_cache_request): New function.
773 (free_cache_request): New function.
774 (new_store_request): New function.
775 (pipeline_remove_request): New function.
776 (pipeline_add_request): New function.
777 (pipeline_requeue_request): New function.
778 (next_priority): New function.
779 (add_WAR_request): New function.
780 (pipeline_next_request): New function.
781 (pipeline_stage_request): New function.
782 (advance_pipelines): New function.
783 (frv_cache_request_load): New function.
784 (frv_cache_request_store): New function.
785 (frv_cache_request_invalidate): New function.
786 (frv_cache_request_preload): New function.
787 (frv_cache_request_unlock): New function.
788 (address_interference): New function.
789 (wait_for_WAR): New function.
790 (wait_in_WAR): New function.
791 (handle_req_load): New function.
792 (handle_req_preload): New function.
793 (handle_req_store): New function.
794 (handle_req_invalidate): New function.
795 (handle_req_unlock): New function.
796 (handle_req_WAR): New function.
797 (arbitrate_requests): New function.
798 (move_ARS_to_WAR): New function.
799 (decrease_latencies): New function.
800 (frv_cache_run): New function.
801 (frv_cache_read_passive_SI): New function.
802 (frv_cache_data_in_buffer): New function.
803 (frv_cache_data_flushed): New function.
804 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
805
806Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
807
808 * configure: Regenerated to track ../common/aclocal.m4 changes.
809
8102000-05-19 Dave Brolley <brolley@redhat.com>
811
812 * traps.c (frv_rett): Check for exceptions in the order specified in the
813 architecture spec. Allow privileged_instruction interrrupt to be handled
814 normally.
815 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
816 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
817 to clear the NE flag.
818 (frvbf_model_tomcat_u_exec): New function.
819 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
820 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
821 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
822
8232000-05-18 Dave Brolley <brolley@redhat.com>
824
825 * sim-if.c (elf-bfd.h): #include it.
826 (sim_open): Set machine amd architecture based on elf flags.
827
8282000-04-04 Dave Brolley <brolley@redhat.com>
829
830 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
831 Delete '#if 0' blocks.
832 * frv.c: Delete '#if 0' blocks.
833 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
834 PSR.S and PSR.ESR.
835 (frv_h_psr_esr_set_handler): Removed.
836 * interrupts.c: Delete '#if 0' blocks.
837 * memory.c: Delete '#if 0' blocks.
838 * cpu.c,cpu.h: Regenerate.
839
8402000-04-03 Dave Brolley <brolley@redhat.com>
841
842 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
843 containing the target address.
844 (clear_nesr_neear): No longer takes hi_available and lo_available.
845 Remove bogus check for available GR registers.
846 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
847 (frvbf_commit): Update call to clear_nesr_neear.
848 * interrupts.c (next_available_esr): Removed.
849 (next_available_edr): Removed.
850 (next_available_fq): Removed.
851 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
852 (frvbf_store_register): Remove "FIXME" comment.
853 * frv-sim.h (UART_INCHAR_ADDR): Removed.
854 (UART_OUTCHAR_ADDR): Removed.
855 (UART_STATUS_ADDR): Removed.
856 (UART_INPUT_READY): Removed.
857 (UART_OUTPUT_READY): Removed.
858 (FRV_DEVICE_ADDR): Removed.
859 (FRV_DEVICE_LEN): Removed.
860 (SET_NESR): Call frvbf_force_update.
861 (SET_NEEAR): Call frvbf_force_update.
862 (SET_NE_FLAGS): Call frvbf_force_update.
863
8642000-03-30 Dave Brolley <brolley@redhat.com>
865
866 * configure: Regenerated.
867
8682000-03-30 Dave Brolley <brolley@redhat.com>
869
870 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
871 * memory.c (frvbf_write_mem_*): Save slot containing the insn
872 performing the write.
873 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
874 queue element with the information in the interrupt state.
875 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
876 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
877 (frv_set_interrupt_queue_slot): New function.
878 (esr_for_data_access_exception): New function.
879 (set_edr_register): edr_index is now passed in.
880 (fq_for_exception): New function.
881 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
882 element now passed in.
883 (set_exception_status_registers): Obtain slot from interrupt queue
884 element. Call esr_for_data_access_exception. Use ESR14
885 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
886 (frv_save_data_written_for_interrupts): Save slot containing the insn
887 performing the write.
888 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
889 frv_fsr_ftt.
890 (struct frv_interrupt_state): Add 'slot' field.
891 (frv_set_interrupt_queue_slot): New function.
892 (frv_set_write_queue_slot): New function.
893
8942000-03-24 Dave Brolley <brolley@redhat.com>
895
896 * mloop.in (_parallel_write_init): Initialize
897 frv_interrupt_state.imprecise_interrupt.
898 (_parallel_write_queued): After an imprecise interrupt, only perform
899 forced writes and floating point writes (for certain exceptions).
900 * interrupts.c (handle_interrupt): Set
901 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
902 interrupt.
903 (frv_process_interrupts): No need to clear f_ne_flags.
904 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
905 force them to happen even if there is an overflow exception.
906 (frvbf_force_update): New function.
907 * frv-sim.h (frvbf_force_update): New function.
908 (struct frv_interrupt_state): Add imprecise_interrupt.
909 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
910 * sem.c: Regenerate.
911
9122000-03-23 Dave Brolley <brolley@redhat.com>
913
914 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
915 * registers.c (frv_spr): MCIRL -> MCILR.
916 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
917 New function.
918 (frv_detect_insn_access_interrupts):
919 Call frv_queue_non_implemented_instruction_interrupt.
920 (frv_process_interrupts): Clear accumulated NE flags.
921 * frv.c (frvbf_media_cop): New function.
922 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
923 the NE flag of the given target register.
924 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
925 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
926 (frvbf_model_fr500_u_float_dual_sqrt): New function.
927 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
928 (frvbf_model_fr500_u_float_dual_convert): New function.
929 * frv-sim.h (frvbf_media_cop): New function.
930 (GET_FQ): Use H_SPR_FQST0.
931 (SET_FQ): Use H_SPR_FQST0.
932 (SET_FQ_OPC): Use J_SPR_FQOP0.
933 (GET_MSR_EMCI): New macro.
934 (frv_queue_non_implemented_instruction_interrupt): New function.
935 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
936
9372000-03-08 Dave Brolley <brolley@redhat.com>
938
939 * traps.c (frv_rett): Align new_pc.
940 * memory.c (frvbf_read_mem_HI): Align address.
941 (frvbf_read_mem_UHI): Align address.
942 (frvbf_read_mem_SI): Align address.
943 (frvbf_read_mem_DI): Align address.
944 (frvbf_read_mem_DF): Align address.
945 (frvbf_read_imem_USI): Align address.
946 (frvbf_mem_set_HI): Align address.
947 (frvbf_mem_set_SI): Align address.
948 (frvbf_mem_set_DI): Align address.
949 (frvbf_mem_set_DF): Align address.
950 (frvbf_mem_set_XI): Align address.
951 * registers.c (frv_spr): Initialize FSR0.NS to 1.
952 (fr500_spr): Initialize FSR0.NS to 1.
953 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
954 whether the exception is masked.
955 * frv.c (frvbf_load_quad_GR): Align address.
956 (frvbf_store_quad_GR): Align address.
957 (frvbf_load_quad_FRint): Align address.
958 (frvbf_store_quad_FRint): Align address.
959 (frvbf_load_quad_CPR): Align address.
960 (frvbf_store_quad_CPR): Align address.
961 * frv-sim.h (GET_ISR_EMAM): New macro.
962
9632000-03-08 Dave Brolley <brolley@redhat.com>
964
965 * traps.c (frvbf_division_exception): Check for masked overflow and
966 set NE flags, if necessary.
967 (frvbf_check_recovering_store): Queue writes to the hardware.
968 (check_registers_available): Removed.
969 (which_registers_available): Call frv_{fr,gr}_registers_available.
970 (frvbf_clear_ne_flags): Call check_register_access.
971 (frvbf_commit): Call check_register_access.
972 * registers.h (frv_fr_registers_available): New function.
973 (frv_gr_registers_available): New function.
974 (frv_check_register_access): New function.
975 (frv_check_gr_access): New function.
976 (frv_check_fr_access): New function.
977 * registers.c (frv_spr): Correct initial value of ISR.
978 (fr500_spr): Correct initial value of ISR.
979 (frv_fr_registers_available): New function.
980 (frv_gr_registers_available): New function.
981 (frv_check_register_access): New function.
982 (frv_check_gr_access): New function.
983 (frv_check_fr_access): New function.
984 * interrupts.c (frv_queue_division_exception_interrupt): New function.
985 (set_isr_exception_fields): New function.
986 (set_exception_status_registers): Set ISR fields for division exception.
987 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
988 * frv.c (frvbf_h_gr_get_handler): New function.
989 (frvbf_h_gr_set_handler): New function.
990 (frvbf_h_fr_get_handler): New function.
991 (frvbf_h_fr_set_handler): New function.
992 (frvbf_h_spr_get_handler): Remove special handling for ISR.
993 (frvbf_h_spr_set_handler): Remove special handling for ISR.
994 (spr_isr_get_handler): Removed.
995 (spr_isr_set_handler): Removed.
996 (frvbf_signed_integer_divide): New funciton.
997 (frvbf_unsigned_integer_divide): New funciton.
998 * frv-sim.h (frvbf_h_gr_get_handler): New function.
999 (frvbf_h_gr_set_handler): New function.
1000 (frvbf_h_fr_get_handler): New function.
1001 (frvbf_h_fr_set_handler): New function.
1002 (frvbf_signed_integer_divide): New funciton.
1003 (frvbf_unsigned_integer_divide): New funciton.
1004 (frv_dtt): New enumeration.
1005 (struct frv_interrupt_queue_element): Add dtt member.
1006 (GET_ISR): New macro.
1007 (SET_ISR): New macro.
1008 (GET_ISR_EDEM): New macro.
1009 (SET_ISR_DTT): New macro.
1010 (SET_ISR_AEXC): New macro.
1011 (frvbf_division_exception): Add 2 'int' arguments.
1012 (frvbf_check_non_excepting_divide): Removed.
1013 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1014
10152000-02-29 Dave Brolley <brolley@redhat.com>
1016
1017 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1018 (frv_rett): Use hardware access macros. Write PSR as a whole.
1019 (next_available_nesr): Check that NECR is valid.
1020 (next_valid_nesr): Check that NECR is valid.
1021 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1022 call hardware access functions. Use cover macros.
1023 (check_registers_available): New function.
1024 (clear_nesr_near): Check register availability.
1025 (clear_ne_flags): Check register availability.
1026 (frvbf_clear_ne_flags): Check register availability.
1027 (frvbf_commit): Check register availability.
1028 (which_registers_available): New function.
1029 * sim-main.h (registers.h): #include it.
1030 (register_control): New cpu field.
1031 (CPU_REGISTER_CONTROL): New macro.
1032 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1033 (frv_power_on_reset): Initialize SPR registers and RSTR.
1034 (frv_hardware_reset): Initialize SPR registers and RSTR.
1035 (frv_software_reset): Reset SPR registers and RSTR.
1036 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1037 Call frv_cache_init.
1038 * mloop.in (main loop): Check for insn access interrupts before
1039 executing the insn.
1040 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1041 (frv_detect_insn_access_interrupts): Don't call hardware access
1042 functions directly. Use cover macros.
1043 (check_reset): Don't reset RSTR here.
1044 (next_available_esr): ESFR -> ESFR_FLAG.
1045 (next_available_edr): ESFR -> ESFR_FLAG.
1046 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1047 ESFR -> ESFR_FLAG.
1048 (frv_break_interrupt): Don't call hardware access functions directly.
1049 Use cover macros.
1050 (frv_program_or_software_interrupt): Ditto.
1051 (frv_external_interrupt): Ditto.
1052 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1053 (frvbf_store_register): Don't call 'set' functions directly.
1054 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1055 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1056 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1057 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1058 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1059 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1060 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1061 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1062 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1063 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1064 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1065 Support shadow registers.
1066 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1067 Support shadow registers.
1068 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1069 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1070 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1071 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1072 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1073 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1074 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1075 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1076 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1077 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1078 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1079 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1080 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1081 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1082 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1083 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1084 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1085 version 1.3a.
1086 (spr_ccr_get_handler): Don't reference the hardware directly.
1087 (spr_ccr_set_handler): Don't reference the hardware directly.
1088 (spr_cccr_get_handler): Don't reference the hardware directly.
1089 (spr_cccr_set_handler): Don't reference the hardware directly.
1090 (spr_sr_get_handler): New function.
1091 (spr_sr_set_handler): New function.
1092 (frvbf_switch_supervisor_user_context): Temporarily switch to
1093 supervisor mode.
1094 (frvbf_store_quad_GR): Don't call handler directly.
1095 (frvbf_store_quad_FRint): Don't call handler directly.
1096 (frvbf_store_quad_CPR): Don't call handler directly.
1097 (frvbf_clear_all_accumulators): Removed.
1098 (frvbf_clear_accumulators): New function.
1099 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1100 Account for in_ACCGi and out_ACCGk.
1101 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1102 (RSTR_SOFTWARE_RESET): New macro.
1103 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1104 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1105 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1106 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1107 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1108 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1109 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1110 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1111 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1112 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1113 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1114 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1115 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1116 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1117 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1118 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1119 (frvbf_clear_all_accumulators): Removed.
1120 (frvbf_clear_accumulators): New function.
1121 (GET_HSR0): Use GET_H_SPR.
1122 (SET_HSR0): Use SET_H_SPR.
1123 (CLEAR_HSR0_ICE): New macro.
1124 (CLEAR_HSR0_DCE): New macro.
1125 (GET_IHSR8): Use GET_H_SPR.
1126 (GET_PSR): New macro.
1127 (SET_PSR_ET): New macro.
1128 (GET_PSR_PS): New macro.
1129 (SET_PSR_S): New macro.
1130 (GET_ESFR): Changed to reference entire register.
1131 (SET_ESFR): Changed to reference entire register.
1132 (GET_ESFR_FLAG): New macro.
1133 (SET_ESFR_FLAG): New macro.
1134 (NECR_ELOS): Removed.
1135 (NECR_NEN): Removed.
1136 (NECR_VALID): Removed.
1137 (GET_NECR): New macro.
1138 (GET_NECR_ELOS): New macro.
1139 (GET_NECR_NEN): New macro.
1140 (GET_NECR_VALID): New macro.
1141 (NESR_RANGE): Removed.
1142 (GET_NESR): Use GET_H_SPR.
1143 (GET_NE_FLAGS): Use GET_H_SPR.
1144 * cache.h (CACHE_INITIALIZED): New macro.
1145 * Makefile.in (SIM_OBJS): Add registers.o.
1146 (SIM_EXTRA_DEPS): Add registers.h.
1147 (registers.o): New target.
1148 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1149
11502000-02-17 Dave Brolley <brolley@redhat.com>
1151
1152 * interrupts.c (frv_interrupt_table): Update priority order and handler
1153 offsets to conform to the architecture version 1.3a.
1154 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1155 to the architecture version 1.3a.
1156
11572000-02-17 Dave Brolley <brolley@redhat.com>
1158
1159 * interrupts.c (frv_interrupt_table): Update priority order and handler
1160 offsets to conform to the latest specifications.
1161 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1162 queued. New variable 'iclass' used to test for external interrupts.
1163 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1164 to the latest specifications.
1165
11662000-01-20 Dave Brolley <brolley@redhat.com>
1167
1168 * sim-if.c (sim_open): Move frv-specific initialization to
1169 frv_initialize in reset.c.
1170 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1171 status bits for hardware vs software reset.
1172 * reset.c: New file.
1173 * frv-sim.h (frv_initialize): New function.
1174 (frv_power_on_reset): New function.
1175 (frv_hardware_reset): New function.
1176 (frv_software_reset): New function.
1177 (RSTR_ADDRESS): New macro.
1178 (RSTR_INITIAL_VALUE): New macro.
1179 (GET_RSTR_HR): New macro.
1180 (GET_RSTR_SR): New macro.
1181 (SET_RSTR_H): New macro.
1182 (SET_RSTR_S): New macro.
1183 (CLEAR_RSTR_P): New macro.
1184 (CLEAR_RSTR_H): New macro.
1185 (CLEAR_RSTR_S): New macro.
1186 (CLEAR_RSTR_HR): New macro.
1187 (CLEAR_RSTR_SR): New macro.
1188
11892000-01-03 Dave Brolley <brolley@cygnus.com>
1190
1191 * mloop.in (execute): Only call modeling function if the pointer is not
1192 NULL.
1193 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1194 fr500.
1195
11962000-01-03 Dave Brolley <brolley@cygnus.com>
1197
1198 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1199 (frv_options): Add --memory-latency.
1200 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1201 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1202 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1203 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1204 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1205 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1206 (update_latencies): Only clear usage flags if the register has no
1207 target latency.
1208 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1209 not |= (or assgnment).
1210 (frvbf_model_insn_after): Print post processing wait for all insns.
1211 Update prev_acc_p1 and prev_acc_p2.
1212 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1213 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1214 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1215 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1216 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1217 (frvbf_model_fr500_u_media_quad_arith): New function.
1218 (frvbf_model_fr500_u_media_dual_mul): New function.
1219 (frvbf_model_fr500_u_media_quad_mul): New function.
1220 (frvbf_model_fr500_u_media_quad_complex): New function.
1221 (frvbf_model_fr500_u_media_dual_expand): New function.
1222 (frvbf_model_fr500_u_media_dual_unpack): New function.
1223 (frvbf_model_fr500_u_media_dual_btoh): New function.
1224 (frvbf_model_fr500_u_media_dual_htob): New function.
1225 (frvbf_model_fr500_u_media_dual_btohe): New function.
1226 (frv_ref_SI): New function.
1227 * cache.h (FRV_CACHE): Add memory_latency field.
1228 * cache.c (frv_cache_init): Initialize memory_latency.
1229 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1230
12311999-12-17 Dave Brolley <brolley@cygnus.com>
1232
1233 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1234 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1235 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1236 (OPTIONS_FRV_TIMER): New enumeration.
1237 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1238 (frv_option_handler): Override common implementation of -p. Handle
1239 --profile-cache, --profile-parallel, --timer.
1240 * mloop.in (execute): Call profiling functions if the timer interrupt
1241 is enabled.
1242 (@cpu@_simulate_insn_prefetch): New function.
1243 (main loop): Call @cpu@_simulate_insn_prefetch.
1244 * interrupts.c (frv_queue_interrupt): Don't queue two external
1245 interrupts of the same priority.
1246 (frv_queue_external_interrupt): New function.
1247 (frv_external_interrupt): New function.
1248 (handle_interrupt): Handle external interrupts.
1249 (check_reset): New function.
1250 (frv_process_interrupts): Call check_reset.
1251 * frv.c: Include "bfd.h"
1252 (frvbf_h_psr_get_handler): Set the PIL field.
1253 (frvbf_h_psr_set_handler): Get the PIL field.
1254 (DUAL_REG): New macro.
1255 (DUAL_DOUBLE): New macro.
1256 (SET_USE_IS_FPOP): New macro.
1257 (SET_USE_NOT_FPOP): New macro.
1258 (USE_IS_FPOP): New macro.
1259 (SET_USE_IS_MEDIA): New macro.
1260 (SET_USE_NOT_MEDIA): New macro.
1261 (USE_IS_MEDIA_P1): New macro.
1262 (SET_USE_IS_MEDIA_P1): New macro.
1263 (SET_USE_NOT_MEDIA_P1): New macro.
1264 (SET_USE_IS_MEDIA_P2): New macro.
1265 (SET_USE_NOT_MEDIA_P2): New macro.
1266 (USE_IS_MEDIA_P2): New macro.
1267 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1268 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1269 (ACC_USE_IS_MEDIA_P1): New macro.
1270 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1271 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1272 (ACC_USE_IS_MEDIA_P2): New macro.
1273 (RESOURCE_IDIV): New macro.
1274 (RESOURCE_FDIV): New macro.
1275 (RESOURCE_SQRT): New macro.
1276 (fr_busy_adjust): New array.
1277 (acc_busy_adjust): New array.
1278 (apply_latency_adjustments): New function.
1279 (update_latencies): New function.
1280 (handle_wait_cycles): New function.
1281 (handle_resource_wait): New function.
1282 (update_target_latencies): New function.
1283 (frvbf_model_insn_before): Add resource latency to cycle counts.
1284 (frvbf_model_insn_after): Add resource latency to cycle counts.
1285 (update_GR_latency): New function.
1286 (update_GRdouble_latency): New function.
1287 (update_FR_latency): New function.
1288 (update_FRdouble_latency): New function.
1289 (decrease_ACC_busy): New function.
1290 (decrease_FR_busy): New function.
1291 (increase_FR_busy): New function.
1292 (update_ACC_latency): New function.
1293 (update_CCR_latency): New function.
1294 (update_idiv_resource_latency): New function.
1295 (update_fdiv_resource_latency): New function.
1296 (update_fsqrt_resource_latency): New function.
1297 (vliw_wait_for_GR): New function.
1298 (vliw_wait_for_GRdouble): New function.
1299 (vliw_wait_for_FR): New function.
1300 (vliw_wait_for_FRdouble): New function.
1301 (vliw_wait_for_CCR): New function.
1302 (vliw_wait_for_ACC): New function.
1303 (vliw_wait_for_idiv_resource): New function.
1304 (vliw_wait_for_fdiv_resource): New function.
1305 (vliw_wait_for_fsqrt_resource): New function.
1306 (enforce_full_fr_latency): New function.
1307 (frvbf_model_fr500_u_exec): New function.
1308 (frvbf_model_fr500_u_integer): New function.
1309 (frvbf_model_fr500_u_imul): New function.
1310 (frvbf_model_fr500_u_idiv): New function.
1311 (frvbf_model_fr500_u_branch): New function.
1312 (frvbf_model_fr500_u_set_hilo): New function.
1313 (frvbf_model_fr500_u_gr_load_store): New function.
1314 (frvbf_model_fr500_u_fr_load_store): New function.
1315 (frvbf_model_fr500_u_swap): New function.
1316 (frvbf_model_fr500_u_fr2fr): New function.
1317 (frvbf_model_fr500_u_fr2gr): New function.
1318 (frvbf_model_fr500_u_spr2gr): New function.
1319 (frvbf_model_fr500_u_gr2fr): New function.
1320 (frvbf_model_fr500_u_gr2spr): New function.
1321 (post_wait_for_FR): New function.
1322 (post_wait_for_FRdouble): New function.
1323 (post_wait_for_ACC): New function.
1324 (post_wait_for_CCR): New function.
1325 (post_wait_for_fdiv): New function.
1326 (post_wait_for_fsqrt): New function.
1327 (adjust_float_register_busy): New function.
1328 (adjust_double_register_busy): New function.
1329 (restore_float_register_busy): New function.
1330 (restore_double_register_busy): New function.
1331 (frvbf_model_fr500_u_float_arith): New function.
1332 (frvbf_model_fr500_u_float_dual_arith): New function.
1333 (frvbf_model_fr500_u_float_div): New function.
1334 (frvbf_model_fr500_u_float_sqrt): New function.
1335 (frvbf_model_fr500_u_float_compare): New function.
1336 (frvbf_model_fr500_u_float_dual_compare): New function.
1337 (frvbf_model_fr500_u_float_convert): New function.
1338 (frvbf_model_fr500_u_media): New function.
1339 (frvbf_model_fr500_u_barrier): New function.
1340 (frvbf_model_fr500_u_membar): New function.
1341 * frv-sim.h (LEUINT): New macro.
1342 (GET_HSR0_SA): New macro.
1343 (struct frv_interrupt_timer): New struct.
1344 (struct frv_interrupt_state): Add timer fiield.
1345 (frv_queue_external_interrupt): New function.
1346 (frv_external_interrupt): New function.
1347 (frv_profile_info): New function.
1348 (PROFILE_CACHE_IDX): New enumerator.
1349 (PROFILE_PARALLEL_IDX): New enumerator.
1350 (PROFILE_cache): New macro.
1351 (PROFILE_parallel): New macro.
1352 (WITH_PROFILE_CACHE_P): New macro.
1353 (WITH_PROFILE_PARALLEL_P): New macro.
1354 * cache.h (FRV_CACHE): Add last_was_hit field.
1355 * cache.c (get_tag): Use new last_was_hit field.
1356 (frv_cache_read): Ditto.
1357 (frv_cache_write): Ditto.
1358 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1359
13601999-12-13 Dave Brolley <brolley@cygnus.com>
1361
1362 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1363 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1364 sim_queue_fn_di_write.
1365 (frvbf_media_cut_ss): New function.
1366 * frv-sim.h (frvbf_media_cut_ss): New function.
1367 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1368
13691999-12-13 Dave Brolley <brolley@cygnus.com>
1370
1371 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1372 no constraints.
1373 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1374 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1375 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1376 FRV_IS_MEDIA_INSN.
1377 * frv.c (frvbf_model_simple_u_exec): New function.
1378 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1379 (FRV_IS_MEDIA_INSN): Range includes M-8.
1380
1381 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1382 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1383 Regenerate.
1384
13851999-12-10 Dave Brolley <brolley@cygnus.com>
1386
1387 * traps.c (check_registers_available): New function.
1388 (clear_ne_flags): Generate register_exception if register(s) not
1389 available.
1390 (frvbf_commit): Generate register_exception if register(s) not
1391 available.
1392 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1393 GR4-GR7 to SR0-SR4.
1394 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1395 PSR.ESR.
1396 (frvbf_h_psr_s_set_handler): New function.
1397 (frvbf_h_psr_esr_set_handler): New function.
1398 (frvbf_switch_supervisor_user_context): New function.
1399 (frvbf_scan_result): Reflect latest ISA.
1400 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1401 (frvbf_h_psr_esr_set_handler): New function.
1402 (frvbf_switch_supervisor_user_context): New function.
1403 (GET_HSR0_FRN): New Macro.
1404 (GET_HSR0_GRN): New Macro.
1405 (GET_HSR0_FRHE): New Macro.
1406 (GET_HSR0_FRLE): New Macro.
1407 (GET_HSR0_GRHE): New Macro.
1408 (GET_HSR0_GRLE): New Macro.
1409 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1410 (GET_ESFR): New bit ordering.
1411 (SET_ESFR): New bit ordering.
1412 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1413
14141999-12-10 Michael Meissner <meissner@cygnus.com>
1415
1416 * Makefile.in (sim-if.o): Add eng.h dependency.
1417
14181999-12-09 Dave Brolley <brolley@cygnus.com>
1419
1420 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1421 Pass sc->last_insn_p to @cpu@_model_insn_before.
1422 (main loop): Compute sc->first_insn_p.
1423 * frv.c (frvbf_model_insn_before): Set state variables.
1424 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1425 (frvbf_model_fr500_u_integer): Remove.
1426 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1427
14281999-12-07 Dave Brolley <brolley@cygnus.com>
1429
1430 * sim-main.h (cache.h): Include it.
1431 (insn_cache): New member.
1432 (data_cache): New member.
1433 (CPU_INSN_CACHE): New macro.
1434 (CPU_DATA_CACHE): New macro.
1435 * sim-if.c (WANT_CPU): New macro.
1436 (WANT_CPU_FRVBF): New macro.
1437 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1438 data and insn caches for each cpu.
1439 (sim_close): Call frv_cache_term for the insn and data caches of each
1440 cpu.
1441 * mloop.in (extract): Read insn from the cache.
1442 (main loop): Access the insn cache in order to maintain stats.
1443 * memory.c (data_non_cache_access): New function.
1444 (insn_non_cache_access): New function.
1445 (frvbf_read_mem_QI): Attempt to read from the cache first.
1446 (frvbf_read_mem_UQI): Ditto.
1447 (frvbf_read_mem_HI): Ditto.
1448 (frvbf_read_mem_UHI): Ditto.
1449 (frvbf_read_mem_SI): Ditto.
1450 (frvbf_read_mem_DI): Ditto.
1451 (frvbf_read_mem_DF): Ditto.
1452 (frvbf_read_imem_USI): New function.
1453 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1454 (frvbf_write_mem_UQI): Ditto.
1455 (frvbf_write_mem_HI): Ditto.
1456 (frvbf_write_mem_UHI): Ditto.
1457 (frvbf_write_mem_SI): Ditto.
1458 (frvbf_write_mem_DI): Ditto.
1459 (frvbf_write_mem_DF): Ditto.
1460 (frvbf_mem_set_QI): New function.
1461 (frvbf_mem_set_HI): New function.
1462 (frvbf_mem_set_SI): New function.
1463 (frvbf_mem_set_DI): New function.
1464 (frvbf_mem_set_DF): New function.
1465 (frvbf_mem_set_XI): New function.
1466 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1467 CGEN_FN_MEM_QI_WRITE,
1468 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1469 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1470 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1471 Call sim_queue_fn_mem_xi_write.
1472 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1473 Call sim_queue_fn_mem_xi_write.
1474 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1475 Call sim_queue_fn_mem_xi_write.
1476 (frvbf_insn_cache_preload): New function.
1477 (frvbf_data_cache_preload): New function.
1478 (frvbf_insn_cache_unlock): New function.
1479 (frvbf_data_cache_unlock): New function.
1480 (frvbf_insn_cache_invalidate): New function.
1481 (frvbf_data_cache_invalidate): New function.
1482 (frvbf_data_cache_flush): New function.
1483 * frv-sim.h (sim-options.h): Include it.
1484 (GET_HSR0): New macro.
1485 (SET_HSR0): New macro.
1486 (GET_HSR0_ICE): New macro.
1487 (SET_HSR0_ICE): New macro.
1488 (GET_HSR0_DCE): New macro.
1489 (SET_HSR0_DCE): New macro.
1490 (GET_HSR0_CBM): New macro.
1491 (GET_HSR0_RME): New macro.
1492 (GET_IHSR8): New macro.
1493 (GET_IHSR8_NBC): New macro.
1494 (frvbf_insn_cache_preload): New function.
1495 (frvbf_data_cache_preload): New function.
1496 (frvbf_insn_cache_unlock): New function.
1497 (frvbf_data_cache_unlock): New function.
1498 (frvbf_insn_cache_invalidate): New function.
1499 (frvbf_data_cache_invalidate): New function.
1500 (frvbf_data_cache_flush): New function.
1501 (insn_non_cache_access): New function.
1502 (frvbf_read_imem_USI): New function.
1503 (frvbf_mem_set_QI): New function.
1504 (frvbf_mem_set_HI): New function.
1505 (frvbf_mem_set_SI): New function.
1506 (frvbf_mem_set_DI): New function.
1507 (frvbf_mem_set_DF): New function.
1508 (frvbf_mem_set_XI): New function.
1509 (frv_options): FRV specific command line options.
1510 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1511 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1512 (cache.o): New target.
1513 (options.o): New target.
1514 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1515 * cache.h: New file.
1516 * cache.c: New file.
1517 * options.c: New file.
1518
15191999-11-29 Dave Brolley <brolley@cygnus.com>
1520
1521 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1522 (frvbf_check_non_excepting_divide): Ditto.
1523 (clear_ne_flags): Ditto
1524 (frvbf_commit): Ditto.
1525 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1526 * mloop.in (_parallel_write_init): Clear NE flags here.
1527 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1528 for non excepting insns. Also check for masked interrupts here.
1529 (frv_process_interrupts): Write NE flags here.
1530 (set_fp_exception_registers): No longer check for masked interrupts
1531 here.
1532 (check_for_compound_interrupt): No need to worry about masked
1533 interrupts.
1534 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1535 (GET_NE_FLAGS): New macro.
1536 (SET_NE_FLAGS): New macro.
1537 (GET_NE_FLAG): Operate on accumulated argument.
1538 (SET_NE_FLAG): Operate on accumulated argument.
1539 (CLEAR_NE_FLAG): Operate on accumulated argument.
1540 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1541 (frv.o): Correct dependencies.
1542 (traps.o): Ditto.
1543 (pipeline.o): Ditto.
1544 (interrupts.o): Ditto.
1545 (memory.o): Ditto.
1546 * sem.c: Regenerate.
1547
15481999-11-26 Dave Brolley <brolley@cygnus.com>
1549
1550 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1551 there is an exception indicated in the mask.
1552 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1553 state when adding a floating point insn to the pipeline.
1554 * interrupts.c (set_fp_exception_registers): Set NE flag for
1555 non-excepting insns.
1556 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1557 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1558 (frvbf_h_fr_int_get_handler): New function.
1559 (frvbf_h_fr_int_set_handler): New function.
1560 (frvbf_set_ne_index): New function.
1561 (NE_NOFLAG): New macro.
1562 (frv_interrupt_state): Add ne_index member.
1563 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1564 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1565 (frvbf_h_fr_int_get_handler): New function.
1566 (frvbf_h_fr_int_set_handler): New function.
1567 (frvbf_set_ne_index): New function.
1568 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1569
15701999-11-24 Dave Brolley <brolley@cygnus.com>
1571
1572 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1573
15741999-11-23 Dave Brolley <brolley@cygnus.com>
1575
1576 * frv-sim.h (frvbf_media_cut): New function.
1577 * frv.c (frvbf_media_cut): New function.
1578 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1579
15801999-11-22 Dave Brolley <brolley@cygnus.com>
1581
1582 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1583 * frv.c.h (frvbf_clear_all_accumulators): New function.
1584 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1585
15861999-11-18 Dave Brolley <brolley@cygnus.com>
1587
1588 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1589 if this is the first insn of its class in the pipeline.
1590 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1591 * traps.c (frvbf_media_register_not_aligned): New function.
1592 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1593
15941999-11-17 Dave Brolley <brolley@cygnus.com>
1595
1596 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1597 * frv-sim.h (OR_MSR_SIE): New macro.
1598 (CLEAR_MSR_SIE): New macro.
1599 (frvbf_media_overflow): Now takes sie argument.
1600 (frv_set_mp_exception_registers): Now takes sie argument.
1601 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1602 Set MSRx.SIE field.
1603 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1604
16051999-11-15 Dave Brolley <brolley@cygnus.com>
1606
1607 * traps.c (frv_mtrap): New function.
1608 (frvbf_media_cr_not_aligned): New function.
1609 (frvbf_media_acc_not_aligned): New function.
1610 (frvbf_media_overflow): New function.
1611 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1612 * interrupts.c: Call frv_set_mp_exception_registers.
1613 (frv_set_mp_exception_registers): New function.
1614 * frv-sim.h (frv_msr_mtt): New enumeration.
1615 (GET_MSR): New macro.
1616 (SET_MSR): New macro.
1617 (GET_MSR_AOVF): New macro.
1618 (SET_MSR_AOVF): New macro.
1619 (GET_MSR_OVF): New macro.
1620 (SET_MSR_OVF): New macro.
1621 (CLEAR_MSR_OVF): New macro.
1622 (GET_MSR_MTT): New macro.
1623 (SET_MSR_MTT): New macro.
1624 (frv_set_mp_exception_registers): New function.
1625 (frv_mtrap): New function.
1626 (FRV_IS_MEDIA_INSN): New macro.
1627 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1628
16291999-11-10 Dave Brolley <brolley@cygnus.com>
1630
1631 * sim-main.h (_sim_cpu): Add debug_state member.
1632 * mloop.in (_parallel_write_queued): Clear data_written.length.
1633 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1634 handler is 0xff.
1635 (frv_queue_break_interrupt): New function.
1636 (frv_break_interrupt): New function.
1637 (handle_interrupt): Handle break_interrupt.
1638 (frv_non_operating_interrupt): Now takes interrupt_kind.
1639 * frv-sim.h (frv_queue_break_interrupt): New function.
1640 (frv_break_interrupt): New function.
1641 (frv_break): New function.
1642 (frv_non_operating_interrupt): Now takes interrupt_kind.
1643 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1644
16451999-11-09 Dave Brolley <brolley@cygnus.com>
1646
1647 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1648 a floating point insn.
1649 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1650 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1651 frv_queue_fp_exception_interrupt.
1652 (frv_queue_fp_exception_interrupt): New function.
1653 (next_available_fq): New function.
1654 (set_fp_exception_registers): New function.
1655 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1656 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1657 (frv_program_interrupt): Don't process interrupt if it is masked.
1658 * frv.c (frvbf_h_fr_double_get_handler): Call
1659 frv_queue_fp_exception_interrupt.
1660 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1661 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1662 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1663 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1664 (frv_fp_exception_info): New struct type.
1665 (frv_interrupt_queue_element): Add fp_info member.
1666 (frv_fsr_traps): New enumeration.
1667 (frv_fsr_ftt): New enumeration.
1668 (frv_sie): New enumeration.
1669 (frv_miv): New enumeration.
1670 (GET_FSR): New macro.
1671 (SET_FSR): New macro.
1672 (GET_FSR_TEM): New macro.
1673 (SET_FSR_QNE): New macro.
1674 (SET_FSR_FTT): New macro.
1675 (GET_FSR_AEXC): New macro.
1676 (SET_FSR_AEXC): New macro.
1677 (GET_FQ): New macro.
1678 (SET_FQ): New macro.
1679 (SET_FQ_OPC): New macro.
1680 (SET_FQ_MIV): New macro.
1681 (SET_FQ_SIE): New macro.
1682 (SET_FQ_FTT): New macro.
1683 (SET_FQ_CEXC): New macro.
1684 (GET_FQ_VALID): New macro.
1685 (SET_FQ_VALID): New macro.
1686 (frv_queue_fp_exception_interrupt): New function.
1687 (FRV_IS_FLOAT_INSN): New macro.
1688
16891999-11-04 Dave Brolley <brolley@cygnus.com>
1690
1691 * traps.c (frvbf_fpu_error): No floating point errors need to be
1692 detected.
1693 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1694 of the ESR registers too.
1695 (set_exception_status_registers): Don't set EAR for any precise
1696 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1697 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1698 (non_operating_interrupt): No need for return code.
1699 (frv_program_or_software_interrupt): Process interrupt regardless
1700 of operating mode. If PSR.ET was not set at the start of processing,
1701 then stop the simulation with a message.
1702 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1703 CGEN_MEM_XI_WRITE.
1704 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1705 (frvbf_h_fr_quad_set_handler): New function.
1706 (frvbf_h_cpr_quad_set_handler): New function.
1707 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1708 sim_queue_fn_xi_write.
1709 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1710 sim_queue_fn_xi_write.
1711 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1712 sim_queue_fn_xi_write.
1713 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1714 sim_queue_mem_xi_write.
1715 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1716 sim_queue_mem_xi_write.
1717 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1718 sim_queue_mem_xi_write.
1719 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1720 (frvbf_h_fr_quad_set_handler): New function.
1721 (frvbf_h_cpr_quad_set_handler): New function.
1722 (SET_ESR_VALID): New macro.
1723 (CLEAR_ESR_VALID): New macro.
1724 (CLEAR_ESR_EAV): New macro.
1725 (CLEAR_ESR_EDV): New macro.
1726 * sem.c: Regenerate.
1727
17281999-11-02 Dave Brolley <brolley@cygnus.com>
1729
1730 * traps.c (frv_core_signal): Call
1731 frv_queue_mem_address_not_aligned_interrupt.
1732 * mloop.in (_parallel_write_queued): Call
1733 frv_save_data_written_for_interrupts.
1734 * frv.c (frvbf_h_gr_double_get_handler): Call
1735 frv_queue_register_exception_interrupt.
1736 (frvbf_h_cpr_double_get_handler): Call
1737 frv_queue_register_exception_interrupt.
1738 (frvbf_h_cpr_double_set_handler): Call
1739 frv_queue_register_exception_interrupt.
1740 (frvbf_load_multiple_GR): Call
1741 frv_queue_register_exception_interrupt.
1742 (frvbf_store_multiple_GR): Call
1743 frv_queue_register_exception_interrupt.
1744 (frvbf_load_multiple_CPR): Call
1745 frv_queue_register_exception_interrupt.
1746 (frvbf_store_multiple_CPR): Call
1747 frv_queue_register_exception_interrupt.
1748 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1749 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1750 queue element.
1751 (frv_queue_program_interrupt): Now returns interrupt queue element.
1752 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1753 element.
1754 (frv_queue_interrupt): Now returns interrupt queue element.
1755 (frv_queue_register_exception_interrupt): New function.
1756 (frv_queue_mem_address_not_aligned_interrupt): New function.
1757 (frv_save_data_written_for_interrupts): New function.
1758 (next_available_edr): EDR registers available in blocks of 4.
1759 (clear_exception_status_registers): New function.
1760 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1761
1762 * frv-sim.h (struct frv_data_written): New struct type.
1763 (frv_interrupt_queue_element): Add data_written member.
1764 (frv_queue_software_interrupt): Now returns interrupt queue element.
1765 (frv_queue_program_interrupt): Now returns interrupt queue element.
1766 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1767 element.
1768 (frv_queue_interrupt): Now returns interrupt queue element.
1769 (frv_queue_register_exception_interrupt): New function.
1770 (frv_queue_mem_address_not_aligned_interrupt): New function.
1771 (frv_save_data_written_for_interrupts): New function.
1772
17731999-10-27 Dave Brolley <brolley@cygnus.com>
1774
1775 * interrupts.c (ITABLE_ENTRY): New macro.
1776 (frv_interrupt_table): Add exception codes.
1777 (next_available_esr): New function.
1778 (next_available_edr): New function.
1779 (set_edr_register): New function.
1780 (set_exception_status_registers): New function.
1781 (check_for_compound_interrupt): Record information on all interrupts
1782 found.
1783 (frv_program_interrupt): Always call check_for_compound_interrupt.
1784 * frv.c (frvbf_h_pc_set_handler): Removed.
1785 (frvbf_h_spr_get_handler): Handle LR register.
1786 (frvbf_h_spr_set_handler): Handle LR register.
1787 (frvbf_h_lr_get_handler): New function.
1788 (frvbf_h_lr_set_handler): New function.
1789 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1790 (frvbf_h_lr_set_handler): New function.
1791 (frv_ec): New enumeration.
1792 (frv_interrupt): Add frv_ec field.
1793 (frv_rec): New enumeration.
1794 (frv_daec): New enumeration.
1795 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1796 (SET_ESR_EC): New macro.
1797 (SET_ESR_REC): New macro.
1798 (SET_ESR_IAEC): New macro.
1799 (SET_ESR_DAEC): New macro.
1800 (SET_ESR_EAV): New macro.
1801 (GET_ESR_EDV): New macro.
1802 (SET_ESR_EDV): New macro.
1803 (GET_ESR_EDN): New macro.
1804 (SET_ESR_EDN): New macro.
1805 (GET_ESR): New macro.
1806 (SET_ESR): New macro.
1807 (SET_EPCR): New macro.
1808 (SET_EAR): New macro.
1809 (SET_EDR): New macro.
1810 (GET_ESFR): New macro.
1811 (SET_ESFR): New macro.
1812 * cpu.c,cpu.h,sem.c: Rebuild.
1813
18141999-10-26 Dave Brolley <brolley@cygnus.com>
1815
1816 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1817 if mach is frv.
1818 (clear_nesr_neear): Only execute if mach is frv.
1819
18201999-10-22 Dave Brolley <brolley@cygnus.com>
1821
1822 * sim-main.h (sim_cpu): Add pipeline.
1823 (CPU_PIPELINE): New macro.
1824 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1825 (main loop): Maintain pc in cpu.
1826 * frv-sim.h (frv_queue_software_interrupt): New interface.
1827 (frv_queue_program_interrupt): New interface.
1828 (frv_queue_illegal_instruction_interrupt: New interface.
1829 (frv_queue_interrupt): New interface.
1830 (frv_detect_insn_access_interrupts): New interface.
1831 (frv_process_interrupts): New interface.
1832 (frv_program_interrupt): New interface.
1833 (frv_software_interrupt): New interface.
1834 (frv_program_or_software_interrupt): New interface.
1835 (FRV_PIPELINE): Moved from pipline.c.
1836 (frv_pipeline_reset): New interface.
1837 (frv_pipeline_add_insn): New interface.
1838 * interrupts.c (frv_queue_software_interrupt): New interface.
1839 (frv_queue_program_interrupt): New interface.
1840 (frv_queue_illegal_instruction_interrupt: New interface.
1841 (frv_queue_interrupt): New interface.
1842 (frv_detect_insn_access_interrupts): New interface.
1843 (frv_process_interrupts): New interface.
1844 (frv_program_interrupt): New interface.
1845 (frv_software_interrupt): New interface.
1846 (frv_program_or_software_interrupt): New interface.
1847 * frv.c: Use new interfaces.
1848 * pipeline.c: Use new interfaces.
1849 * traps.c: Use new interfaces.
1850 * memory.c: Use new interfaces.
1851 (frv_address_forbidden): No longer static.
1852
18531999-10-19 Dave Brolley <brolley@cygnus.com>
1854
1855 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1856 NESR.EC.
1857 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1858 * frv.c (frvbf_h_pc_set_handler): New function.
1859 * interrupts.c (frv_detect_data_interrupt): Removed.
1860 (address_forbidden): Removed.
1861 * frv-sim.h (frv_detect_data_interrupt): Removed.
1862 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1863 (NESR_REGISTER_NOT_ALIGNED): New macro.
1864 (NESR_UQI_SIZE): New macro.
1865 (NESR_QI_SIZE): New macro.
1866 (NESR_UHI_SIZE): New macro.
1867 (NESR_HI_SIZE): New macro.
1868 (NESR_SI_SIZE): New macro.
1869 (NESR_DI_SIZE): New macro.
1870 (NESR_XI_SIZE): New macro.
1871 (GET_NESR_DAEC): New macro.
1872 (SET_NESR_DAEC): New macro.
1873 (GET_NESR_REC): New macro.
1874 (SET_NESR_REC): New macro.
1875 (GET_NESR_EC): New macro.
1876 (SET_NESR_EC): New macro.
1877 (frvbf_read_mem_QI): New function.
1878 (frvbf_read_mem_UQI): New function.
1879 (frvbf_read_mem_HI): New function.
1880 (frvbf_read_mem_UHI): New function.
1881 (frvbf_read_mem_SI): New function.
1882 (frvbf_read_mem_WI): New function.
1883 (frvbf_read_mem_DI): New function.
1884 (frvbf_read_mem_DF): New function.
1885 (frvbf_write_mem_QI): New function.
1886 (frvbf_write_mem_UQI): New function.
1887 (frvbf_write_mem_HI): New function.
1888 (frvbf_write_mem_UHI): New function.
1889 (frvbf_write_mem_SI): New function.
1890 (frvbf_write_mem_WI): New function.
1891 (frvbf_write_mem_DI): New function.
1892 (frvbf_write_mem_DF): New function.
1893 * Makefile.in (SIM_OBJS): Add memory.o.
1894 * cpu.c,cpu.h,sem.c: Rebuild.
1895
18961999-10-18 Dave Brolley <brolley@cygnus.com>
1897
1898 * sim-if.c (sim_open): Use a real fpu error function.
1899 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
1900 * mloop.in (_parallel_write_queued): Clear queue after writing.
1901 * interrupts.c (check_for_compound_interrupt): New function.
1902 (non_operating_interrupt): New function.
1903 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
1904 (frvbf_h_gr_double_set_handler): New function.
1905 (frvbf_h_fr_double_get_handler): New function.
1906 (frvbf_h_fr_double_set_handler): New function.
1907 (frvbf_h_cpr_double_get_handler): New function.
1908 (frvbf_h_cpr_double_set_handler): New function.
1909 (frv_interrupt_queue_element): New struct type.
1910 (frv_queue_program_interrupt): Now takes pc.
1911 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1912 (frv_queue_interrupt): Now takes pc.
1913 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1914 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1915 (frvbf_division_exception): New function.
1916 (frvbf_fpu_error): New function.
1917 (frvbf_load_multiple_GR): New function.
1918 (frvbf_load_multiple_FR): New function.
1919 (frvbf_load_multiple_CPR): New function.
1920 * frv.c (frvbf_h_gr_double_get_handler): New function.
1921 (frvbf_h_gr_double_set_handler): New function.
1922 (frvbf_h_fr_double_get_handler): New function.
1923 (frvbf_h_fr_double_set_handler): New function.
1924 (frvbf_h_cpr_double_get_handler): New function.
1925 (frvbf_h_cpr_double_set_handler): New function.
1926 (frv_interrupt_queue_element): New struct type.
1927 (frv_queue_program_interrupt): Now takes pc.
1928 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1929 (frv_queue_interrupt): Now takes pc.
1930 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1931 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1932 (frvbf_fpu_error): New function.
1933 (frvbf_load_multiple_GR): New function.
1934 (frvbf_load_multiple_FR): New function.
1935 (frvbf_load_multiple_CPR): New function.
1936 * traps.c (frvbf_division_exception): New function.
1937 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1938
19391999-10-12 Dave Brolley <brolley@cygnus.com>
1940
1941 * mloop.in (new_vpc): New variable.
1942 (main loop): Call frv_detect_insn_access_interrupts. Call
1943 frv_detect_data_interrupts.
1944 * interrupts.c (access_queued_to): New function.
1945 (frv_detect_data_interrupts): New function.
1946 (frv_detect_insn_access_interrupts): New function.
1947 (frv_program_or_software_interrupt): Set PSR.S.
1948 * frv-sim.h (frv_detect_data_interrupts): New function.
1949 (frv_detect_insn_interrupts): New function.
1950
19511999-10-07 Dave Brolley <brolley@cygnus.com>
1952
1953 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
1954 (frvbf_h_gr_hi_set_handler): New function.
1955 (frvbf_h_gr_lo_get_handler): New function.
1956 (frvbf_h_gr_lo.set_handler): New function.
1957 * frv.c (frvbf_h_gr_hi_get_handler): New function.
1958 (frvbf_h_gr_hi_set_handler): New function.
1959 (frvbf_h_gr_lo_get_handler): New function.
1960 (frvbf_h_gr_lo.set_handler): New function.
1961 (frvbf_model_fr500_u_integer): New function.
1962 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
1963
19641999-10-04 Dave Brolley <brolley@cygnus.com>
1965
1966 * traps.c: Use sim_engine_abort.
1967 * pipeline.c (frv_pipeline): Add field for insn major.
1968 (add_next_to_pipe): Return address of matching pipeline.
1969 (find_major_in_pipeline): New function.
1970 (check_insn_major_constraints: New function.
1971 (frv_pipeline_add_insn): Add checks for insn major constraints.
1972 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
1973 * frv.c (frvbf_h_spr_get_handler): No need to abort.
1974
1975Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
1976
1977 * pipeline.c: New file.
1978 * mloop.in (main loop): Call frv_pipeline_reset.
1979 Call frv_pipeline_add_insn.
1980 * frv-sim.h (frv_pipeline_reset): New function.
1981 (frv_pipeline_add_insn): New function.
1982 * Makefile.in (SIM_OBJS): Add pipeline.o
1983
19841999-09-29 Doug Evans <devans@casey.cygnus.com>
1985
1986 * sem.c: Rebuild.
1987 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
1988 result to SEM_PC. Return vpc.
1989
1990Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
1991
1992 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
1993 (frv_queue_interrupt): Don't detect identical interrupts here.
1994
1995Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
1996
1997 * interrupts.c: New file.
1998 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
1999 (frv_software_interrupt): Moved to interrupts.c.
2000 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2001 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2002 (@cpu@_perform_writeback): New function.
2003 (main loop): Call frv_process_interrupts.
2004 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2005 (frv_itrap): New interface.
2006 (frv_interrupt_class): New enumeration.
2007 (frv_interrupt_kind): New enumeration.
2008 (struct frv_interrupt): New struct type.
2009 (frv_interrupt_table): New table of interrupt information.
2010 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2011 (struct frv_interrupt_state): New struct type.
2012 (frv_interrupt_state): New global variable.
2013 (previous_vliw_pc): New global variable.
2014 (frv_queue_software_interrupt): New function.
2015 (frv_queue_program_interrupt): New function.
2016 (frv_queue_interrupt): New function.
2017 (frv_process_interrupts): New function.
2018 (frv_program_interrupt): New function.
2019 (frv_software_interrupt): New function.
2020 (frv_program_or_software_interrupt): New function.
2021 (frv_clear_interrupt_classes): New function.
2022 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2023 * Makefile.in (SIM_OBJS): Add interrupts.o
2024 * sem.c: Rebuild.
2025
20261999-09-25 Doug Evans <devans@casey.cygnus.com>
2027
2028 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2029
2030Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2031
2032 * mloop.in (main loop): Determine last insn from scache entry.
2033 * cpu.h: Rebuild.
2034 * cpuall.h: Rebuild.
2035
2036Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2037
2038 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2039 (NECR_ELOS): Define as unshifted value.
2040 (NECR_NEN): Define as unshifted value.
2041 (NECR_VALID): Define as unshifted value.
2042 (SET_NESR): Rewite to use post-write queue.
2043 (SET_NESR_VALID): Rewite to operate on argument.
2044 (SET_NESR_EAV): Rewite to operate on argument.
2045 (SET_NESR_FR): Rewite to operate on argument.
2046 (CLEAR_NESR_FR): Rewite to operate on argument.
2047 (SET_NESR_DRN): Rewite to operate on argument.
2048 (SET_NESR_SIZE): Rewite to operate on argument.
2049 (SET_NESR_NEAN): Rewite to operate on argument.
2050 (SET_NEEAR): Rewite to use post-write queue.
2051 (SET_NE_FLAG): Rewite to use post-write queue.
2052 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2053 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2054 (frv_rett): Rewite to use post-write queue.
2055 (next_available_nesr): Rewrite to use new macro interfaces.
2056 (next_valid_nesr): Ditto.
2057 (frvbf_check_non_excepting_load): Ditto.
2058 (frvbf_check_recovering_store): Ditto.
2059 (clear_nesr_neear): Ditto.
2060 (clear_ne_flags): Ditto.
2061 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2062 when flag is set.
2063 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2064 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2065 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2066 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2067 * Makefile.in (frv.o): Depend on cgen-par.h.
2068
2069Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2070
2071 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2072 (frvbf_write_next_vliw_addr_to_LR): New flag.
2073 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2074 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2075 address of the next VLIW insn if flag is set.
2076 * cpu.h,decode.c,sem.c: Rebuild.
2077
2078Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2079
2080 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2081 * sem.c: Rebuild.
2082
20831999-09-02 Doug Evans <devans@casey.cygnus.com>
2084
2085 * configure: Regenerated to track ../common/aclocal.m4 changes.
2086
20871999-09-01 Doug Evans <devans@casey.cygnus.com>
2088
2089 * decode.c: Rebuild.
2090
2091Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2092
2093 * traps.c (frv_rett): New function.
2094 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2095 (frvbf_h_spr_set_handler): Handle bpsr.
2096 (frvbf_h_bpsr_get_handler): New function.
2097 (frvbf_h_bpsr_set_handler): New function.
2098 * frv-sim.h (frv_rett): New function.
2099 (frvbf_h_bpsr_get_handler): New function.
2100 (frvbf_h_bpsr_set_handler): New function.
2101 * mloop.in: Read actual packing bit.
2102 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2103
2104Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2105
2106 * traps.c (WANT_CPU): New macro.
2107 (WANT_CPU_FRVBF): New macro.
2108 (frvbf_check_recovering_store): Use registers for source and queue
2109 writes.
2110 * mloop.in: New main loop for parallel support.
2111 (@cpu@_parallel_write_init): New function.
2112 (@cpu@_parallel_write_queued): New function.
2113 * frv-sim.h (set_icc_for_shift_left): New interface.
2114 (set_icc_for_shift_right): New interface.
2115 (frvbf_check_recovering_store): New interface.
2116 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2117 (set_icc_for_shift_right): Pass and return icc value.
2118 (frvbf_check_recovering_store): New interface.
2119 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2120 (stamp-mloop): Add cgen parallel options.
2121 (stamp-arch): Remove with-profile option.
2122 (stamp-cpu): Add cgen parallel options.
2123 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2124
21251999-08-28 Doug Evans <devans@casey.cygnus.com>
2126
2127 * cpu.h,decode.c,sem.c: Rebuild.
2128
2129Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2130
2131 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2132
2133Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2134
2135 * configure.in: fr500 now the default model.
2136 * configure: Regenerate.
2137 * frv.c: Change frv-1 to frv-gen.
2138 (frvbf_model_fr500_u_exec): New function.
2139 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2140 * mloop.in: Fix typos in comments.
2141 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2142
21431999-08-17 Dave Brolley <brolley@cygnus.com>
2144
2145 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2146
21471999-08-09 Doug Evans <devans@casey.cygnus.com>
2148
2149 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2150
21511999-08-04 Doug Evans <devans@casey.cygnus.com>
2152
2153 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2154
2155Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2156
2157 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2158 (frvbf_store_register): Use GDB register number macros.
2159 (frvbf_cut): New function.
2160 * frv-sim.h (GR_REGNUM_MAX): New macro.
2161 (FR_REGNUM_MAX): New macro.
2162 (PC_REGNUM): New macro.
2163 (LR_REGNUM): New macro.
2164 (frvbf_cut): New function.
2165 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2166
21671999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2168
2169 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2170 add default for unhandled registers.
2171 (frvbf_store_register): Add ability to set LR register.
2172
21731999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2174
2175 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2176 (decode_gdb_dr_regnum): Remove, not used.
2177
21781999-07-13 Michael Meissner <meissner@cygnus.com>
2179
2180 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2181
2182 * configure.in (--enable-sim-trapdump): New switch to make unknown
2183 traps dump the register contents, instead of doing the trap thing.
2184 * configure: Regenerate.
2185
2186 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2187 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2188 temporarily.
2189
2190 * traps.h (toplevel): Include bfd.h, libiberity.h.
2191 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2192 dumping the registers.
2193
2194Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2195
2196 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2197
2198Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2199
2200 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2201
2202Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2203
2204 * frv.c (frvbf_square_root_SF): Removed.
2205 (frvbf_square_root_DF): Removed.
2206 (frvbf_h_fr_double_get_handler): Removed.
2207 (frvbf_h_fr_double_set_handler): Removed.
2208 (frvbf_h_fr_int_get_handler): Removed.
2209 (frvbf_h_fr_int_set_handler): Removed.
2210 * frv-sim.h (frvbf_square_root_SF): Removed.
2211 (frvbf_square_root_DF): Removed.
2212 (frvbf_h_fr_double_get_handler): Removed.
2213 (frvbf_h_fr_double_set_handler): Removed.
2214 (frvbf_h_fr_int_get_handler): Removed.
2215 (frvbf_h_fr_int_set_handler): Removed.
2216 * decode.c,decode.h,model.c,sem.c: Rebuild.
2217
22181999-07-05 Doug Evans <devans@casey.cygnus.com>
2219
2220 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2221 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2222 * sim-if.c (sim_open): Initialize fpu.
2223 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2224 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2225 with frvbf_h_fr_get.
2226
2227Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2228
2229 * frv-sim.h (NESR_RANGE): New macro.
2230 (NO_NESR): New macro.
2231 (GET_NESR_VALID): New macro.
2232 (next_ne_index): Removed.
2233 * traps.c (next_available_nesr): New function.
2234 (next_valid_nesr): New function.
2235 (frvbf_check_non_excepting_load): Use next_available_nesr.
2236 (frvbf_check_recovering_store): Use next_available_nesr and
2237 next_valid_nesr.
2238 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2239 (frvbf_check_recovering_store): Only consider one matching register.
2240 * sem.c: Rebuild.
2241
2242Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2243
2244 * frv.c (frvbf_square_root_SF): New function.
2245 (frvbf_square_root_DF): New function.
2246 (frvbf_h_fr_double_get_handler): New function.
2247 (frvbf_h_fr_double_set_handler): New function.
2248 * frv-sim.h (frvbf_square_root_SF): New function.
2249 (frvbf_square_root_DF): New function.
2250 (frvbf_h_fr_double_get_handler): New function.
2251 (frvbf_h_fr_double_set_handler): New function.
2252 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2253
22541999-06-28 Dave Brolley <brolley@cygnus.com>
2255
2256 * decode.c,decode.h,model.c,sem.c: Regenerate.
2257
2258Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2259
2260 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2261 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2262 (frvbf_h_fr_int_set_handler): New function.
2263 (frvbf_store_multiple_FRint): New function.
2264 (frvbf_square_root_SF): New function.
2265 * frv.c (frvbf_h_fr_int_get_handler): New function.
2266 (frvbf_h_fr_int_set_handler): New function.
2267 (frvbf_store_multiple_FRint): New function.
2268 (frvbf_square_root_SF): New function.
2269 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2270
22711999-06-23 Doug Evans <devans@casey.cygnus.com>
2272
2273 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2274 to genmloop.sh. Pass -scache instead.
2275 (mloop.o): Delete sem-switch.c dependency.
2276 (sem-switch.c): Delete rule.
2277 (stamp-cpu): Don't build sem-switch.c.
2278 * sem-switch.c: Delete.
2279 * mloop.in (xfull-exec-*): Fix call to execute.
2280 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2281
2282 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2283
2284Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2285
2286 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2287
2288Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2289
2290 * mloop.in (execute): Force gr0 to zero before each insn.
2291 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2292
22931999-06-18 Doug Evans <devans@casey.cygnus.com>
2294
2295 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2296
2297Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2298
2299 * frv.c (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 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2305 (frvbf_h_gr_set_handler): New function:
2306 (frvbf_store-multiple_GR): New function:
2307 (frvbf_store-multiple_FR): New function:
2308 (frvbf_store-multiple_CPR): New function:
2309 * traps.c (frv_itrap): Implement proper syscalls interface.
2310 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2311
2312Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2313
2314 * traps.c (frvbf_check_non_excepting_divide): New function.
2315 (frvbf_check_recovering_store): New function.
2316 (clear_nesr_neear): New function.
2317 (clear_ne_flags): New function.
2318 (frvbf_commit): New function.
2319
2320 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2321 (frvbf_check_recovering_store): New function.
2322 (clear_nesr_neear): New function.
2323 (clear_ne_flags): New function.
2324 (frvbf_commit): New function.
2325 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2326
23271999-06-16 Dave Brolley <brolley@cygnus.com>
2328
2329 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2330 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2331 * traps.c (next_ne_index): New variable.
2332 (frvbf_check_non_excepting_load): New function.
2333 * frv-sim.h (NECR_ELOS): New macro.
2334 (NECR_NEN): New macro.
2335 (NECR_VALID): New macro.
2336 (SET_NESR_VALID): New macro.
2337 (SET_NESR_EAV): New macro.
2338 (SET_NESR_FR): New macro.
2339 (CLEAR_NESR_FR): New macro.
2340 (SET_NESR_DRN): New macro.
2341 (SET_NESR_SIZE): New macro.
2342 (SET_NESR_NEAN): New macro.
2343 (SET_NEEAR): New macro.
2344 (GET_NE_FLAG): New macro.
2345 (SET_NE_FLAG): New macro.
2346 (CLEAR_NE_FLAG): New macro.
2347 (frvbf_check_non_excepting_load): New function:
2348 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2349
2350Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2351
2352 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2353
2354Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2355
2356 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2357 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2358
2359Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2360
2361 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2362
23631999-06-07 Dave Brolley <brolley@cygnus.com>
2364
2365 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2366
2367Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2368
2369 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2370
2371Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2372
2373 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2374
2375Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2376
2377 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2378
2379Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2380
2381 * traps.c (frv_software_interrupt): Pass current_cpu to
2382 frvbf_h_psr_esr_get.
2383 (frv_software_interrupt): Calculate the new PC based on TBR.
2384 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2385
23861999-05-31 Dave Brolley <brolley@cygnus.com>
2387
2388 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2389
2390Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2391
2392 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2393 (frvbf_h_cccr_set_handler): New function.
2394 (frvbf_scan_result): New function.
2395 (frvbf_cr_logic): New function.
2396 * frv.c (frvbf_h_cccr_get_handler): New function.
2397 (frvbf_h_cccr_set_handler): New function.
2398 (frvbf_scan_result): New function.
2399 (frvbf_cr_logic): New function.
2400 (cr_ops,cr_result,cr_logic): New table.
2401 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2402
24031999-05-25 Dave Brolley <brolley@cygnus.com>
2404
2405 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2406 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2407 (frv_psr_get_handler): New function.
2408 (frv_psr_set_handler): New function.
2409 (frv_tbr_get_handler): New function.
2410 (frv_tbr_set_handler): New function.
2411 (frvbf_h_ccr_get_handler): Add support for fCC.
2412 (frvbf_h_ccr_set_handler): Add support for fCC.
2413 * frv-sim.h (frv_psr_get_handler): New function.
2414 (frv_psr_set_handler): New function.
2415 (frv_tbr_get_handler): New function.
2416 (frv_tbr_set_handler): New function.
2417 * traps.c (frv_software_interrupt): Implement.
2418 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2419
2420Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2421
2422 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2423
24241999-05-18 Dave Brolley <brolley@cygnus.com>
2425
2426 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2427 (frvbf_set_icc_for_shift_right): New function.
2428 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2429 (frvbf_set_icc_for_shift_right): New function.
2430 (SETMEMSF): New Macro.
2431 (SETMEMDF): New Macro.
2432 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2433
2434Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2435
2436 * frv.c (frvbf_h_ccr_get_handler): New function.
2437 (frvbf_h_ccr_set_handler): New function.
2438 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2439
2440Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2441
2442 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2443 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2444 * frv.c: Likewise.
2445 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2446
24471999-05-10 Dave Brolley <brolley@cygnus.com>
2448
2449 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2450
2451Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2452
2453 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2454 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2455
2456Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2457
2458 * traps.c (frv_software_interrupt): New function.
2459 (frv_itrap): New function.
2460 * frv-sim.h (TRAP_SYSCALL): define as 0.
2461 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2462
2463Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2464
2465 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2466
2467Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2468
2469 * Directory created.
GDB Binutils - Deliverables
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