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2003-09-24 Dave Brolley <brolley@redhat.com>
[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
153431d6
DB		 12003-09-12 Dave Brolley <brolley@redhat.com>
2
3 * registers.c (frv_check_spr_read_access): Check for access to
4 ACC4-ACC63 and ACCG4-ACCG63.
5 * profile.h (frv-desc.h): #include it.
6 (spr_busy): New member of FRV_PROFILE_STATE.
7 (spr_latency): Ditto.
8 (GNER_FOR_GR): New macro.
9 (FNER_FOR_FR): New maccro.
10 (update_SPR_latency): New function.
11 (vliw_wait_for_SPR): New function.
93938d47 12 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 13 (update_target_latencies): Ditto.
14 (update_SPR_latency): New function.
15 (vliw_wait_for_SPR): New function.
16 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
17 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
18 (frvbf_model_fr500_u_check): Ditto.
19 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
20 (frvbf_model_fr500_u_clrfr): Ditto.
21 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
22 (frvbf_model_fr500_u_gr2spr): Ditto.
23 * frv-sim.h (H_SPR_ACC4): New macro.
24 (H_SPR_ACCG4): New macro;
25 (H_SPR_ACC0): Removed.
26 (H_SPR_ACCG0): Removed.
27 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
28
ba9c4053
DB		 292003-09-10 Dave Brolley <brolley@redhat.com>
30
31 * profile.c (slot_names): FM1 was listed twice. Changed first
32 instance to FM0. Added IALL, FMALL and FMLOW.
33 (print_parallel): Don't examine slots with no insns.
34
f9e18f5a
DB		 352003-09-09 Dave Brolley <brolley@redhat.com>
36
37 * frv.c (do_media_average): Select machine using a switch.
38
d89a78b6
DB		 392003-09-08 Dave Brolley <brolley@redhat.com>
40
41 On behalf of Doug Evans <dje@sebabeach.org>
42 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
43 Remove copying of .cpu file to cgen/cpu, no longer needed.
44
d03ea14f
DB		 452003-09-03 Dave Brolley <brolley@redhat.com>
46
47 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
48
e8d2f504
DB		 492003-08-29 Dave Brolley <brolley@redhat.com>
50
51 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
52 temporarily when regenerating files.
53 (stamp-cpu): Ditto.
54
b34f6357
DB		 552003-08-20 Micheal Snyder <msnyder@redhat.com>
56
57 * All generated files: Regenerate.
58
592001-10-11 Dave Brolley <brolley@redhat.com>
60
61 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
62
632001-10-09 Dave Brolley <brolley@redhat.com>
64
65 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
66 not set.
67 * reset.c (frv_hardware_reset): Invalidate both caches.
68 * registers.c: Update init, reset and read-only masks for all registers
69 on all machines.
70 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
71 (prev_gr_complex): New field of FRV_PROFILE_STATE
72 (set_use_is_gr_complex): New function.
73 (set_use_not_gr_complex): New function.
74 (use_is_gr_complex): New function.
75 (decrease_GR_busy): New function.
76 * profile.c (reset_gr_flags): New function.
77 (reset_cc_flags): New function.
78 (set_use_is_gr_complex): New function.
79 (set_use_not_gr_complex): New function.
80 (use_is_gr_complex): New function.
81 (update_latencies): Reset gr and cc flags when latency reaches 0.
82 (decrease_GR_busy): New function.
83 * profile-fr400.h (fr500_reset_acc_flags): Removed.
84 (fr500_reset_cc_flags): New function.
85 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
86 LSI version 1.41.
87 * profile-fr400.h (fr400_reset_gr_flags): New function.
88 (fr400_reset_fr_flags): New function.
89 (fr400_reset_acc_flags): New function.
90 * profile-fr400.c (set_use_not_media_p4): New function.
91 (set_use_not_media_p6): New function.
92 (set_acc_use_not_media_p2): New function.
93 (set_acc_use_not_media_p4): New function.
94 (fr400_reset_gr_flags): New function.
95 (fr400_reset_fr_flags): New function.
96 (fr400_reset_acc_flags): New function.
97 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
98 (frvbf_model_fr400_u_media_hilo): New function.
99 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
100 * memory.c (fr400_check_data_read_address): Check address range only
101 for double word loads. Don't check alignment here.
102 (fr400_check_readwrite_address): New function.
103 (fr500_check_readwrite_address): New function.
104 (check_readwrite_address): New function.
105 (fr500_check_insn_read_address): Correct address ranges.
106 (frvbf_read_mem_*): Check address range here.
107 (frv_address_forbidden): Removed.
108 (fr400_check_write_address): New function.
109 (check_write_address): New function.
110 (frvbf_write_mem_*): Don't check address range here.
111 (frvbf_mem_set_*): Check address range here.
112 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
113 address as second argument.
114 (frv_queue_data_access_exception_interrupt): New function.
115 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
116 media insns on fr400.
117 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
118 for media insns on fr400.
119 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
120 of insns here. Check for MTRAP insn if PSR.EM is not set.
121 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
122 set.
123 (set_exception_status_registers): Do not always set EPCR. Set EAR for
124 data_acess_error only if not fr400.
125 * frv.c (do_media_average): New function.
126 (frvbf_media_average): New function.
127 (frvbf_insn_cache_invalidate): Check for illegal invocation.
128 (frvbf_data_cache_invalidate): Ditto.
129 (frvbf_data_cache_flush): Ditto.
130 * frv-sim.h (GET_FSR_QNE): New macro.
131 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
132 (GET_MSR_SRDAV): New macro.
133 (GET_MSR_RDAV): New macro.
134 (GET_MSR_RD): New macro.
135 (frv_queue_data_access_error_interrupt): Now takes an address as second
136 argument.
137 (frv_address_forbidden): Removed.
138 * cache.c (non_cache_access): Correct address ranges. Now takes cache
139 as first argument.
140 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
141
1422001-08-20 Dave Brolley <brolley@redhat.com>
143
144 * sim-main.h (_sim_cpu): New field 'elf_flags'.
145 * sim-if.c (sim_open): Extract the elf_flags from the input file and
146 save them with each cpu.
147 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
148 last_insn_p before executing the insn.
149 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
150 insn cache.
151 (frv_cache_invalidate_all): Ditto.
152
1532001-08-20 Richard Sandiford <rsandifo@redhat.com>
154
155 * traps.c (syscall_read_mem): Flush the data cache before reading.
156 (syscall_write_mem): Flush the data cache before writing.
157 Invalidate both caches.
158
1592001-07-05 Ben Elliston <bje@redhat.com>
160
161 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
162 (stamp-cpu): Likewise.
163
1642001-05-23 Dave Brolley <brolley@redhat.com>
165
166 * profile-fr400.c (acc_use_is_media_p2): New function.
167 (frvbf_model_fr400_u_media_2): Account for latency of output
168 accumulators.
169 (frvbf_model_fr400_u_media_2_quad): Ditto.
170 (frvbf_model_fr400_u_media_2_acc): New function.
171 (frvbf_model_fr400_u_media_2_acc_dual): New function.
172 (frvbf_model_fr400_u_media_2_add_sub): New function.
173 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
174 (frvbf_model_fr400_u_media_3_dual): New function.
175 (frvbf_model_fr400_u_media_4_acc_dual): New function.
176 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
177
1782001-05-15 Dave Brolley <brolley@redhat.com>
179
180 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
181 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
182 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
183 (request_cache_flush): Save 'all' argument.
184 (request_cache_invalidate): Save all_cache_entries from profile state
185 to 'all' field of the request.
186 (submit_cache_request): Pass the 'all' field of the request to
187 frv_cache_request_invalidate.
188 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
189 operation even if HSR0.ICE is not set.
190 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
191 operation even if HSR0.DCE is not set.
192 (frv_data_cache_flush): Ditto.
193 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
194 (frv_data_cache_invalidate): Add new 'all' parameter.
195 (frv_data_cache_flush): Add new 'all' parameter.
196 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
197 (frv_cache_request_invalidate): Add new 'all' parameter.
198 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
199 its value in the invalidate request.
200 (address_interference): Accept the value '-1' for the address argument
201 to mean 'any address'.
202 (handle_req_invalidate): Handle request to invalidate all cache lines.
203 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
204
2052001-05-14 Dave Brolley <brolley@redhat.com>
206
207 * profile.h (past_first_p): New field of profiling state.
208 (branch_penalty): Ditto.
209 (branch_hint): Ditto.
210 (update_branch_penalty): New function.
211 * profile.c (frvbf_model_insn_after): Reset past_first_p and
212 branch_address fields of the profiling state.
213 (frvbf_model_branch): New function.
214 (update_branch_penalty): New function.
215 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
216 FCCi_3 inputs.
217 (frvbf_model_fr500_u_trap): New function.
218 (frvbf_model_fr500_u_check): New function.
219 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
220 cycles.
221 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
222 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
223 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
224 documented in teh fr400 LSI.
225 (frvbf_model_fr400_u_media_dual_htob): Ditto.
226 (frvbf_model_fr400_u_media_dual_unpack): Removed.
227 (frvbf_model_fr500_u_trap): New function.
228 (frvbf_model_fr500_u_check): New function.
229 * mloop.in (simulate_dual_insn_prefetch): New function.
230 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
231 arguments for each machine type.
232 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
233
2342001-05-09 Dave Brolley <brolley@redhat.com>
235
236 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
237 (profile-fr400.o): New target.
238 * profile.c: New file.
239 * profile.h: New file.
240 * profile-fr400.c: New file.
241 * profile-fr400.h: New file.
242 * profile-fr500.c: New file.
243 * profile-fr500.h: New file.
244 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
245
2462001-05-02 Dave Brolley <brolley@redhat.com>
247
248 * sim-main.h (profile.h): #include it.
249 (CPU_PROFILE_STATE): New macro.
250 (profile_state): New frv specific cpu field.
251 * reset.c (frv_initialize): insn_fetch_address and branch_address now
252 part of global profiling state.
253 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
254 (SIM_EXTRA_DEPS): Add profile.h.
255 (registers.o): Correct name of source file.
256 (profile.o): New target.
257 (profile-fr500.o): New target.
258 * frv-sim.h: Move profile related data structures to profile.h.
259 * frv.c: Move fr500 specific functions to profile-fr500.c.
260 * cpu.h: Regenerated.
261
2622001-04-27 Dave Brolley <brolley@redhat.com>
263
264 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
265 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
266 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
267 Rename PIPE_* to UNIT_*.
268 (frv_queue_illegal_instruction_interrupt): Use
269 frv_is_float_insn and frv_is_media_insn.
270 (frv_queue_non_implemented_instruction_interrupt): Ditto.
271 (frv_detect_insn_access_interrupts): Ditto.
272 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
273 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
274 * memory.c: Ditto.
275 * pipeline.c: Ditto.
276 * mloop.in: Ditto.
277 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
278 * cache.c: Rename PIPE_* to UNIT_*.
279
2802001-04-24 Dave Brolley <brolley@redhat.com>
281
282 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
283 (frvbf_load_quad_FRint): Ditto.
284 (frvbf_load_quad_CPR): Ditto.
285 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
286 machines.
287 (bfd.h): #include it.
288 (non_cache_access): Update for revised fr500 and for fr400.
289 * registers.c (frv_spr): Don't reset PSR.PS.
290 (fr500_spr): Ditto.
291 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
292
2932001-04-23 Dave Brolley <brolley@redhat.com>
294
295 * traps.c (frv_core_signal): On fr400, generate data_access_error.
296 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
297 (frvbf_media_acc_not_aligned): Ditto.
298 (frvbf_media_register_not_aligned): Ditto.
299 (frvbf_division_exception): Use GET_ISR_EDE.
300 * registers.c (frv_check_spr_read_access): New function.
301 (frv_check_spr_write_access): New function.
302 (frv_check_spr_access): Deleted.
303 (frv_check_register_access): On fr400, generate illegal_instruction.
304 * memory.c (fr400_check_data_read_address): New function.
305 (fr500_check_data_read_address): Ditto.
306 (check_data_read_address): Ditto.
307 (fr400_check_insn_read_address): Ditto.
308 (fr500_check_insn_read_address): Ditto.
309 (check_insn_read_address): Ditto.
310 (frvbf_read_mem_QI): Call check_data_read_access.
311 (frvbf_read_mem_UQI): Ditto.
312 (frvbf_read_mem_HI): Ditto.
313 (frvbf_read_mem_UHI): Ditto.
314 (frvbf_read_mem_SI): Ditto.
315 (frvbf_read_mem_DI): Ditto.
316 (frvbf_read_mem_DF): Ditto.
317 (frvbf_read_imem_USI): Call check_insn_read_access.
318 (frv_address_forbidden): Now takes cpu as first argument. Check based
319 on machine type.
320 (fr400_mem_address_unaligned): New function.
321 (fr500_mem_address_unaligned): Ditto.
322 (check_write_address): Ditto.
323 (frvbf_mem_set_QI): Call check_write_address.
324 (frvbf_mem_set_HI): Ditto.
325 (frvbf_mem_set_SI): Ditto.
326 (frvbf_mem_set_DI): Ditto.
327 (frvbf_mem_set_DF): Ditto.
328 (frvbf_mem_set_XI): Ditto.
329 * interrupts.c (bfd.h): #include it.
330 (frv_queue_data_access_error_interrupt): New function.
331 (frv_queue_instruction_access_error_interrupt): New function.
332 (frv_queue_instruction_access_exception_interrupt): New function.
333 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
334 (frv_queue_non_implemented_instruction_interrupt): Ditto.
335 (frv_detect_insn_access_interrupts): Reorder tests to match priority
336 from the LSI manual.
337 (set_isr_exception_fields): Accumulate dtt bits.
338 * frv.c (check_register_alignment): New function.
339 (check_fr_register_alignment): New function.
340 (check_memory_alignment): New function.
341 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
342 (frvbf_h_gr_double_set_handler): Ditto.
343 (frvbf_h_cpr_double_get_handler): Ditto.
344 (frvbf_h_cpr_double_set_handler): Ditto.
345 (frvbf_h_gr_quad_set_handler): Ditto.
346 (frvbf_h_cpr_quad_set_handler): Ditto.
347 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
348 (frvbf_h_fr_double_set_handler): Ditto.
349 (frvbf_h_fr_quad_set_handler): Ditto.
350 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
351 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
352 (frvbf_load_quad_GR): Call check_memory_aligment.
353 (frvbf_load_quad_FRint): Ditto.
354 (frvbf_load_quad_CPR): Ditto.
355 (frvbf_store_quad_GR): Call check_memory_aligment and
356 check_register_alignment.
357 (frvbf_store_quad_FRint): Ditto.
358 (frvbf_store_quad_CPR): Ditto.
359 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
360 * frv-sim.h (H_SPR_ACC0): New macro.
361 (H_SPR_ACC63): New macro.
362 (H_SPR_ACCG0): New macro.
363 (H_SPR_ACCG63): New macro.
364 (frv_dtt): New enumerator.
365 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
366 (GET_ISR_DTT): New macro.
367 (frv_queue_data_access_error_interrupt): New function.
368 (frv_queue_instruction_access_error_interrupt): New function.
369 (frv_queue_instruction_access_exception_interrupt): New function.
370 (frv_address_forbidden): Now takes cpu as first argument.
371 * cpu.h: Regenerate.
372
3732001-04-10 Dave Brolley <brolley@redhat.com>
374
375 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
376 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
377 (fr400_spr): Implement SPR registers for fr400.
378 (frv_register_control_init): Handle bfd_mach_fr400 properly.
379 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
380 (spr_psr_get_handler): Ditto.
381 (spr_ccr_get_handler): Ditto.
382 (spr_cccr_get_handler): Ditto.
383 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
384 * frv-sim.h: Update comment about MCCR_* macros.
385 * cpu.c,cpu.h: Regenerate.
386
3872001-04-05 Dave Brolley <brolley@redhat.com>
388
389 * cpu.h,decode.c,model.c,sem.c: Regenerate.
390
3912001-04-05 Dave Brolley <brolley@redhat.com>
392
393 * reset.c: Update copyright.
394 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
395 * frv.c (frvbf_model_fr400_u_exec): New function.
396 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
397 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
398 Regenerate.
399
4002000-11-22 Dave Brolley <brolley@redhat.com>
401
402 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
403 Regenerate.
404
4052000-11-10 Dave Brolley <brolley@redhat.com>
406
407 * decode.c: Regenerate.
408
4092000-09-12 Dave Brolley <brolley@redhat.com>
410
411 * traps.c (frv_sim_engine_halt_hook): New function.
412 (frv_itrap): Caches now invalidated in sim_engine_halt via
413 SIM_ENGINE_HALT_HOOK.
414 (frv_break): Ditto.
415 * sim-main.h (frv_sim_engine_halt_hook): New function.
416 (SIM_ENGINE_HALT_HOOK): New macro.
417 (SIM_ENGINE_RESTART_HOOK): New macro.
418 * interrupts.c: Call to frv_term now done within sim_engine_halt via
419 SIM_ENGINE_HALT_HOOK.
420
4212000-09-08 Dave Brolley <brolley@redhat.com>
422
423 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
424 respectively when stopping for a breakpoint.
425 (frv_break): Ditto.
426 * cache.h (frv_cache_invalidate_all): New function.
427 * cache.c (frv_cache_invalidate_all): New function.
428
4292000-09-05 Dave Brolley <brolley@redhat.com>
430
431 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
432 sim_handle_breakpoint. Otherwise if environment != operating call
433 sim_engine_halt. Otherwise handle normally.
434 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
435 breakpoints here. Moved to frv_break in traps.c.
436
437 * sem.c: Regenerate.
438
4392000-09-01 Dave Brolley <brolley@redhat.com>
440
441 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
442 before queuing an interrupt in order to allow 'break' to be used as
443 the breakpoint insn.
444
4452000-08-29 Dave Brolley <brolley@redhat.com>
446
447 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
448
4492000-07-27 Dave Brolley <brolley@redhat.com>
450
451 * cpu.h,decode.c: Rebuild.
452
4532000-07-26 Dave Brolley <brolley@redhat.com>
454
455 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
456 (spr_cccr_set_handler): Change CRx to CCx.
457 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
458
4592000-07-24 Dave Brolley <brolley@redhat.com>
460
461 * sem.c: Regenerate.
462 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
463 Don't write it directly.
464
465Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
466
467 * configure: Regenerated to track ../common/aclocal.m4 changes.
468
4692000-07-05 Ben Elliston <bje@redhat.com>
470
471 * configure: Regenerated to track ../common/aclocal.m4 changes.
472
4732000-06-28 Dave Brolley <brolley@redhat.com>
474
475 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
476
4772000-06-21 Dave Brolley <brolley@redhat.com>
478
479 * pipeline.c: All code except frv_pipeline_setup_insn moved to
480 frv.opc.
481 * mloop.in (main loop): frv_pipeline_add_insn broken up into
482 frv_pipeline_add_insn and frv_pipeline_setup_insn.
483 * frv-sim.h: Move pipeline status code to frv.opc.
484 * model.c: Regenerate.
485
4862000-06-12 Dave Brolley <brolley@redhat.com>
487
488 * options.c (frv_option_handler): --profile-parallel implies
489 --profile-model.
490 * mloop.in (fetch_buffer): Removed.
491 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
492 run_caches. Use cache directly if not counting cycles. Don't use
493 cache at all if not counting cycles and cache not enabled.
494 * frv.c (frv_insn_fetch_buffer): New global variable.
495 (run_caches): Monitor the status of insn prefetch requests.
496 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
497 (frv_insn_fetch_buffer): New global variable.
498
4992000-06-12 Dave Brolley <brolley@redhat.com>
500
501 * mloop.in (fetch_buffer): New static struct.
502 (@cpu@_simulate_insn_prefetch): Rewritten.
503 * cache.c (frv_cache_request_invalidate): Don't invalidate return
504 buffer.
505 (address_interference): Defer to any WAR request in either pipeline.
506
5072000-06-09 Dave Brolley <brolley@redhat.com>
508
509 * pipeline.c (insns_in_slot): New Array.
510 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
511 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
512 option.
513 (parse_cache_option): New function.
514 (frv_option_handler): Call parse_cache_option.
515 * frv.c (vliw_branch_taken): New variable.
516 (vliw_load_stall): New variable.
517 (handle_resource_wait): Update vliw_load_stall.
518 (frvbf_model_insn_before): Initialize vliw_branch_taken and
519 vliw_load_stall.
520 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
521 (load_wait_for_FR): Update vliw_load_stall.
522 (load_wait_for_GR): Update vliw_load_stall.
523 (load_wait_for_FRdouble): Update vliw_load_stall.
524 (load_wait_for_GRdouble): Update vliw_load_stall.
525 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
526 (slot_names): New static array.
527 (print_parallel): Now takes second argument 'verbose'. Print cycles per
528 VLIW insn and instructions per cycle. Also tabulate the number of insns
529 in each type of VLIW slot.
530 (frv_profile_info): Call print_parallel with new second argument.
531 * frv-sim.h (insn_in_slot): New array.
532 (COUNT_INSNS_IN_SLOT): New macro.
533 (INSNS_IN_SLOT): New macro.
534 * cache.c: Remove references to non_blocking_count. Remove references to
535 last_was_hit. Remove references to req_none.
536 (handle_req_store): Adjust statistics before requeuing the store
537 request.
538 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
539 * cache.h: Remove references to non_blocking_count. Remove references to
540 last_was_hit. Remove references to req_none.
541 * model.c: Regenerate.
542
5432000-06-08 Dave Brolley <brolley@redhat.com>
544
545 * frv.c (request_complete): Copy load data from the correct return
546 buffer.
547
5482000-06-07 Dave Brolley <brolley@redhat.com>
549
550 * traps.c (frv_core_signal): Call frv_term before exiting.
551 (frv_itrap): Call frv_term before exiting.
552 (next_available_nesr): Make sure NECR is implemented before reading it.
553 (next_valid_nesr): Ditto.
554 (frvbf_check_non_excepting_load): Ditto.
555 (frvbf_clear_ne_flags): Ditto.
556 (frvbf_commit): Ditto.
557 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
558 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
559 store_flag members.
560 (CPU_LOAD_ADDRESS): New macro.
561 (CPU_LOAD_LENGTH): New macro.
562 (CPU_LOAD_SIGNED): New macro.
563 (CPU_LOAD_LOCK): New macro.
564 * reset.c (frv_term): New function.
565 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
566 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
567 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
568 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
569 the insn. Model the insn in two passes. One before and one after
570 execution.
571 (cache_reqno): new static variable.
572 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
573 cache rather than assuming a fixed latency.
574 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
575 enabled so that modeling data is collected by cgen during execution.
576 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
577 * memory.c (data_non_cache_access): Removed.
578 (insn_non_cache_access): Removed.
579 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
580 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
581 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
582 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
583 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
584 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
585 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
586 (frvbf_read_imem_USI): Read the cache or ememory passively.
587 (frvbf_write_mem_QI): Don't check for non-cache access here.
588 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
589 (frvbf_write_mem_HI): Don't check for non-cache access here.
590 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
591 (frvbf_write_mem_SI): Don't check for non-cache access here.
592 (frvbf_write_mem_DI): Don't check for non-cache access here.
593 (frvbf_write_mem_DF): Don't check for non-cache access here.
594 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
595 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
596 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
597 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
598 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
599 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
600 * interrupts.c (check_reset): Read the cache and memory passively.
601 (frv_program_or_software_interrupt): Call frv_term before calling
602 sim_engine_halt.
603 * frv.c (all modeling functions): Break into two passes. One before
604 execuetion and one after. call load_wait_for_* for all GR and FR
605 registers.
606 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
607 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
608 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
609 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
610 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
611 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
612 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
613 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
614 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
615 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
616 (model_insn): New global variable.
617 (fr_ptime): New array.
618 (cache_request): New enumeration.
619 (CACHE_QUEUE_ELEMENT): New struct type.
620 (CACHE_QUEUE_SIZE): New macro.
621 (cache_queue): New static struct.
622 (request_cache_load): New function.
623 (request_cache_flush): New function.
624 (request_cache_invalidate): New function.
625 (request_cache_preload): New function.
626 (request_cache_unlock): New function.
627 (submit_cache_request): New function.
628 (activate_cache_requests): New function.
629 (load_pending_for_register): New function.
630 (flush_pending_for_address): New function.
631 (remove_cache_queue_element): New function.
632 (copy_load_data): New function.
633 (request_complete): New function.
634 (run_caches): New function.
635 (frv_model_trace_wait_cycles): New function.
636 (wait_for_flush): New function.
637 (frvbf_model_insn_before): Insn prefect wait now modeled in
638 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
639 wait_for_flush.
640 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
641 vliw_insns here anymore.
642 (update_FR_latency_for_load): New function.
643 (update_FRdouble_latency_for_load): New function.
644 (update_FR_ptime): New function.
645 (update_FRdouble_ptime): New function.
646 (update_GR_latency_for_swap): New function.
647 (load_wait_for_GR): New function.
648 (load_wait_for_FR): New function.
649 (load_wait_for_GRdouble): New function.
650 (load_wait_for_FRdouble): New function.
651 (frvbf_model_fr500_u_ici): New function.
652 (frvbf_model_fr500_u_dci): New function.
653 (frvbf_model_fr500_u_dcf): New function.
654 (frvbf_model_fr500_u_icpl): New function.
655 (frvbf_model_fr500_u_dcpl): New function.
656 (frvbf_model_fr500_u_icul): New function.
657 (frvbf_model_fr500_u_dcul): New function.
658 * frv-sim.h (frv_term): New function.
659 (insn_non_cache_access): Removed.
660 (FRV_COUNT_CYCLES): New macro.
661 (frv_save_peofile_model_p): New global variable.
662 (model_insn): New enumerated global variable.
663 (frv_model_advance_cycles): New function.
664 (frv_model_trace_wait_cycles): New function.
665 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
666 (FRV_CACHE_WAR_REQUEST): New struct type.
667 (FRV_CACHE_STORE_REQUEST): New struct type.
668 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
669 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
670 (FRV_CACHE_REQUEST): New struct type.
671 (FRV_CACHE_RETURN_BUFFER): New struct type.
672 (FRV_CACHE_FLUSH_STATUS): New struct type.
673 (FRV_CACHE_STATUS): New struct type.
674 (FRV_CACHE_STAGE): New struct type.
675 (FRV_CACHE_STAGES): New enumeration.
676 (FRV_CACHE_WAR): New struct type.
677 (FRV_CACHE_PIPELINE): New struct type.
678 (FRV_CACHE_ARS): New struct type.
679 (FRV_CACHE_STATISTICS): New struct type.
680 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
681 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
682 (CACHE_RETURN_DATA_ADDRESS): New macro.
683 (frv_cache_read): Now takes pipe index as second argument.
684 (frv_cache_enabled): New function.
685 (frv_cache_request_load): New function.
686 (frv_cache_request_store): New function.
687 (frv_cache_request_invalidate): New function.
688 (frv_cache_request_preload): New function.
689 (frv_cache_request_unlock): New function.
690 (frv_cache_run): New function.
691 (frv_cache_read_passive_SI): New function.
692 (frv_cache_data_in_buffer): New function.
693 (frv_cache_data_flushed): New function.
694 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
695 (frv_cache_enabled): New function.
696 (non_cache_access): New function.
697 (write_data_to_memory): Count write accesses for each mode. Write to
698 memory using sim_core_write_unaligned_1;
699 (read_data_from_memory): New function.
700 (fill_line_from_memory): Use read_data_from_memory.
701 (copy_line_to_return_buffer): New function.
702 (copy_memory_to_return_buffer): New function.
703 (set_return_buffer_reqno): New function.
704 (frv_cache_read): Now takes pipe index as second argument. Check for
705 non-cache access.
706 (frv_cache_preload): Check for non-cache access.
707 (frv_cache_unlock): Check for non-cache access.
708 (invalidate_return_buffer): New function.
709 (frv_cache_invalidate): Check for non-cache access.
710 (convert_slot_to_index): New function.
711 (FREE_CHAIN_SIZE): New macro.
712 (frv_cache_request_free_chain): New static variable.
713 (frv_store_request_free_chain): New static variable.
714 (allocate_new_cache_requests): New function.
715 (new_cache_request): New function.
716 (free_cache_request): New function.
717 (new_store_request): New function.
718 (pipeline_remove_request): New function.
719 (pipeline_add_request): New function.
720 (pipeline_requeue_request): New function.
721 (next_priority): New function.
722 (add_WAR_request): New function.
723 (pipeline_next_request): New function.
724 (pipeline_stage_request): New function.
725 (advance_pipelines): New function.
726 (frv_cache_request_load): New function.
727 (frv_cache_request_store): New function.
728 (frv_cache_request_invalidate): New function.
729 (frv_cache_request_preload): New function.
730 (frv_cache_request_unlock): New function.
731 (address_interference): New function.
732 (wait_for_WAR): New function.
733 (wait_in_WAR): New function.
734 (handle_req_load): New function.
735 (handle_req_preload): New function.
736 (handle_req_store): New function.
737 (handle_req_invalidate): New function.
738 (handle_req_unlock): New function.
739 (handle_req_WAR): New function.
740 (arbitrate_requests): New function.
741 (move_ARS_to_WAR): New function.
742 (decrease_latencies): New function.
743 (frv_cache_run): New function.
744 (frv_cache_read_passive_SI): New function.
745 (frv_cache_data_in_buffer): New function.
746 (frv_cache_data_flushed): New function.
747 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
748
749Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
750
751 * configure: Regenerated to track ../common/aclocal.m4 changes.
752
7532000-05-19 Dave Brolley <brolley@redhat.com>
754
755 * traps.c (frv_rett): Check for exceptions in the order specified in the
756 architecture spec. Allow privileged_instruction interrrupt to be handled
757 normally.
758 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
759 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
760 to clear the NE flag.
761 (frvbf_model_tomcat_u_exec): New function.
762 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
763 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
764 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
765
7662000-05-18 Dave Brolley <brolley@redhat.com>
767
768 * sim-if.c (elf-bfd.h): #include it.
769 (sim_open): Set machine amd architecture based on elf flags.
770
7712000-04-04 Dave Brolley <brolley@redhat.com>
772
773 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
774 Delete '#if 0' blocks.
775 * frv.c: Delete '#if 0' blocks.
776 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
777 PSR.S and PSR.ESR.
778 (frv_h_psr_esr_set_handler): Removed.
779 * interrupts.c: Delete '#if 0' blocks.
780 * memory.c: Delete '#if 0' blocks.
781 * cpu.c,cpu.h: Regenerate.
782
7832000-04-03 Dave Brolley <brolley@redhat.com>
784
785 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
786 containing the target address.
787 (clear_nesr_neear): No longer takes hi_available and lo_available.
788 Remove bogus check for available GR registers.
789 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
790 (frvbf_commit): Update call to clear_nesr_neear.
791 * interrupts.c (next_available_esr): Removed.
792 (next_available_edr): Removed.
793 (next_available_fq): Removed.
794 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
795 (frvbf_store_register): Remove "FIXME" comment.
796 * frv-sim.h (UART_INCHAR_ADDR): Removed.
797 (UART_OUTCHAR_ADDR): Removed.
798 (UART_STATUS_ADDR): Removed.
799 (UART_INPUT_READY): Removed.
800 (UART_OUTPUT_READY): Removed.
801 (FRV_DEVICE_ADDR): Removed.
802 (FRV_DEVICE_LEN): Removed.
803 (SET_NESR): Call frvbf_force_update.
804 (SET_NEEAR): Call frvbf_force_update.
805 (SET_NE_FLAGS): Call frvbf_force_update.
806
8072000-03-30 Dave Brolley <brolley@redhat.com>
808
809 * configure: Regenerated.
810
8112000-03-30 Dave Brolley <brolley@redhat.com>
812
813 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
814 * memory.c (frvbf_write_mem_*): Save slot containing the insn
815 performing the write.
816 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
817 queue element with the information in the interrupt state.
818 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
819 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
820 (frv_set_interrupt_queue_slot): New function.
821 (esr_for_data_access_exception): New function.
822 (set_edr_register): edr_index is now passed in.
823 (fq_for_exception): New function.
824 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
825 element now passed in.
826 (set_exception_status_registers): Obtain slot from interrupt queue
827 element. Call esr_for_data_access_exception. Use ESR14
828 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
829 (frv_save_data_written_for_interrupts): Save slot containing the insn
830 performing the write.
831 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
832 frv_fsr_ftt.
833 (struct frv_interrupt_state): Add 'slot' field.
834 (frv_set_interrupt_queue_slot): New function.
835 (frv_set_write_queue_slot): New function.
836
8372000-03-24 Dave Brolley <brolley@redhat.com>
838
839 * mloop.in (_parallel_write_init): Initialize
840 frv_interrupt_state.imprecise_interrupt.
841 (_parallel_write_queued): After an imprecise interrupt, only perform
842 forced writes and floating point writes (for certain exceptions).
843 * interrupts.c (handle_interrupt): Set
844 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
845 interrupt.
846 (frv_process_interrupts): No need to clear f_ne_flags.
847 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
848 force them to happen even if there is an overflow exception.
849 (frvbf_force_update): New function.
850 * frv-sim.h (frvbf_force_update): New function.
851 (struct frv_interrupt_state): Add imprecise_interrupt.
852 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
853 * sem.c: Regenerate.
854
8552000-03-23 Dave Brolley <brolley@redhat.com>
856
857 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
858 * registers.c (frv_spr): MCIRL -> MCILR.
859 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
860 New function.
861 (frv_detect_insn_access_interrupts):
862 Call frv_queue_non_implemented_instruction_interrupt.
863 (frv_process_interrupts): Clear accumulated NE flags.
864 * frv.c (frvbf_media_cop): New function.
865 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
866 the NE flag of the given target register.
867 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
868 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
869 (frvbf_model_fr500_u_float_dual_sqrt): New function.
870 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
871 (frvbf_model_fr500_u_float_dual_convert): New function.
872 * frv-sim.h (frvbf_media_cop): New function.
873 (GET_FQ): Use H_SPR_FQST0.
874 (SET_FQ): Use H_SPR_FQST0.
875 (SET_FQ_OPC): Use J_SPR_FQOP0.
876 (GET_MSR_EMCI): New macro.
877 (frv_queue_non_implemented_instruction_interrupt): New function.
878 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
879
8802000-03-08 Dave Brolley <brolley@redhat.com>
881
882 * traps.c (frv_rett): Align new_pc.
883 * memory.c (frvbf_read_mem_HI): Align address.
884 (frvbf_read_mem_UHI): Align address.
885 (frvbf_read_mem_SI): Align address.
886 (frvbf_read_mem_DI): Align address.
887 (frvbf_read_mem_DF): Align address.
888 (frvbf_read_imem_USI): Align address.
889 (frvbf_mem_set_HI): Align address.
890 (frvbf_mem_set_SI): Align address.
891 (frvbf_mem_set_DI): Align address.
892 (frvbf_mem_set_DF): Align address.
893 (frvbf_mem_set_XI): Align address.
894 * registers.c (frv_spr): Initialize FSR0.NS to 1.
895 (fr500_spr): Initialize FSR0.NS to 1.
896 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
897 whether the exception is masked.
898 * frv.c (frvbf_load_quad_GR): Align address.
899 (frvbf_store_quad_GR): Align address.
900 (frvbf_load_quad_FRint): Align address.
901 (frvbf_store_quad_FRint): Align address.
902 (frvbf_load_quad_CPR): Align address.
903 (frvbf_store_quad_CPR): Align address.
904 * frv-sim.h (GET_ISR_EMAM): New macro.
905
9062000-03-08 Dave Brolley <brolley@redhat.com>
907
908 * traps.c (frvbf_division_exception): Check for masked overflow and
909 set NE flags, if necessary.
910 (frvbf_check_recovering_store): Queue writes to the hardware.
911 (check_registers_available): Removed.
912 (which_registers_available): Call frv_{fr,gr}_registers_available.
913 (frvbf_clear_ne_flags): Call check_register_access.
914 (frvbf_commit): Call check_register_access.
915 * registers.h (frv_fr_registers_available): New function.
916 (frv_gr_registers_available): New function.
917 (frv_check_register_access): New function.
918 (frv_check_gr_access): New function.
919 (frv_check_fr_access): New function.
920 * registers.c (frv_spr): Correct initial value of ISR.
921 (fr500_spr): Correct initial value of ISR.
922 (frv_fr_registers_available): New function.
923 (frv_gr_registers_available): New function.
924 (frv_check_register_access): New function.
925 (frv_check_gr_access): New function.
926 (frv_check_fr_access): New function.
927 * interrupts.c (frv_queue_division_exception_interrupt): New function.
928 (set_isr_exception_fields): New function.
929 (set_exception_status_registers): Set ISR fields for division exception.
930 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
931 * frv.c (frvbf_h_gr_get_handler): New function.
932 (frvbf_h_gr_set_handler): New function.
933 (frvbf_h_fr_get_handler): New function.
934 (frvbf_h_fr_set_handler): New function.
935 (frvbf_h_spr_get_handler): Remove special handling for ISR.
936 (frvbf_h_spr_set_handler): Remove special handling for ISR.
937 (spr_isr_get_handler): Removed.
938 (spr_isr_set_handler): Removed.
939 (frvbf_signed_integer_divide): New funciton.
940 (frvbf_unsigned_integer_divide): New funciton.
941 * frv-sim.h (frvbf_h_gr_get_handler): New function.
942 (frvbf_h_gr_set_handler): New function.
943 (frvbf_h_fr_get_handler): New function.
944 (frvbf_h_fr_set_handler): New function.
945 (frvbf_signed_integer_divide): New funciton.
946 (frvbf_unsigned_integer_divide): New funciton.
947 (frv_dtt): New enumeration.
948 (struct frv_interrupt_queue_element): Add dtt member.
949 (GET_ISR): New macro.
950 (SET_ISR): New macro.
951 (GET_ISR_EDEM): New macro.
952 (SET_ISR_DTT): New macro.
953 (SET_ISR_AEXC): New macro.
954 (frvbf_division_exception): Add 2 'int' arguments.
955 (frvbf_check_non_excepting_divide): Removed.
956 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
957
9582000-02-29 Dave Brolley <brolley@redhat.com>
959
960 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
961 (frv_rett): Use hardware access macros. Write PSR as a whole.
962 (next_available_nesr): Check that NECR is valid.
963 (next_valid_nesr): Check that NECR is valid.
964 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
965 call hardware access functions. Use cover macros.
966 (check_registers_available): New function.
967 (clear_nesr_near): Check register availability.
968 (clear_ne_flags): Check register availability.
969 (frvbf_clear_ne_flags): Check register availability.
970 (frvbf_commit): Check register availability.
971 (which_registers_available): New function.
972 * sim-main.h (registers.h): #include it.
973 (register_control): New cpu field.
974 (CPU_REGISTER_CONTROL): New macro.
975 * reset.c (frv_initialize): Set HSR0 fields for cache here.
976 (frv_power_on_reset): Initialize SPR registers and RSTR.
977 (frv_hardware_reset): Initialize SPR registers and RSTR.
978 (frv_software_reset): Reset SPR registers and RSTR.
979 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
980 Call frv_cache_init.
981 * mloop.in (main loop): Check for insn access interrupts before
982 executing the insn.
983 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
984 (frv_detect_insn_access_interrupts): Don't call hardware access
985 functions directly. Use cover macros.
986 (check_reset): Don't reset RSTR here.
987 (next_available_esr): ESFR -> ESFR_FLAG.
988 (next_available_edr): ESFR -> ESFR_FLAG.
989 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
990 ESFR -> ESFR_FLAG.
991 (frv_break_interrupt): Don't call hardware access functions directly.
992 Use cover macros.
993 (frv_program_or_software_interrupt): Ditto.
994 (frv_external_interrupt): Ditto.
995 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
996 (frvbf_store_register): Don't call 'set' functions directly.
997 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
998 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
999 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1000 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1001 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1002 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1003 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1004 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1005 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1006 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1007 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1008 Support shadow registers.
1009 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1010 Support shadow registers.
1011 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1012 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1013 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1014 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1015 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1016 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1017 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1018 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1019 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1020 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1021 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1022 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1023 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1024 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1025 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1026 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1027 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1028 version 1.3a.
1029 (spr_ccr_get_handler): Don't reference the hardware directly.
1030 (spr_ccr_set_handler): Don't reference the hardware directly.
1031 (spr_cccr_get_handler): Don't reference the hardware directly.
1032 (spr_cccr_set_handler): Don't reference the hardware directly.
1033 (spr_sr_get_handler): New function.
1034 (spr_sr_set_handler): New function.
1035 (frvbf_switch_supervisor_user_context): Temporarily switch to
1036 supervisor mode.
1037 (frvbf_store_quad_GR): Don't call handler directly.
1038 (frvbf_store_quad_FRint): Don't call handler directly.
1039 (frvbf_store_quad_CPR): Don't call handler directly.
1040 (frvbf_clear_all_accumulators): Removed.
1041 (frvbf_clear_accumulators): New function.
1042 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1043 Account for in_ACCGi and out_ACCGk.
1044 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1045 (RSTR_SOFTWARE_RESET): New macro.
1046 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1047 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1048 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1049 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1050 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1051 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1052 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1053 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1054 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1055 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1056 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1057 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1058 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1059 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1060 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1061 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1062 (frvbf_clear_all_accumulators): Removed.
1063 (frvbf_clear_accumulators): New function.
1064 (GET_HSR0): Use GET_H_SPR.
1065 (SET_HSR0): Use SET_H_SPR.
1066 (CLEAR_HSR0_ICE): New macro.
1067 (CLEAR_HSR0_DCE): New macro.
1068 (GET_IHSR8): Use GET_H_SPR.
1069 (GET_PSR): New macro.
1070 (SET_PSR_ET): New macro.
1071 (GET_PSR_PS): New macro.
1072 (SET_PSR_S): New macro.
1073 (GET_ESFR): Changed to reference entire register.
1074 (SET_ESFR): Changed to reference entire register.
1075 (GET_ESFR_FLAG): New macro.
1076 (SET_ESFR_FLAG): New macro.
1077 (NECR_ELOS): Removed.
1078 (NECR_NEN): Removed.
1079 (NECR_VALID): Removed.
1080 (GET_NECR): New macro.
1081 (GET_NECR_ELOS): New macro.
1082 (GET_NECR_NEN): New macro.
1083 (GET_NECR_VALID): New macro.
1084 (NESR_RANGE): Removed.
1085 (GET_NESR): Use GET_H_SPR.
1086 (GET_NE_FLAGS): Use GET_H_SPR.
1087 * cache.h (CACHE_INITIALIZED): New macro.
1088 * Makefile.in (SIM_OBJS): Add registers.o.
1089 (SIM_EXTRA_DEPS): Add registers.h.
1090 (registers.o): New target.
1091 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1092
10932000-02-17 Dave Brolley <brolley@redhat.com>
1094
1095 * interrupts.c (frv_interrupt_table): Update priority order and handler
1096 offsets to conform to the architecture version 1.3a.
1097 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1098 to the architecture version 1.3a.
1099
11002000-02-17 Dave Brolley <brolley@redhat.com>
1101
1102 * interrupts.c (frv_interrupt_table): Update priority order and handler
1103 offsets to conform to the latest specifications.
1104 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1105 queued. New variable 'iclass' used to test for external interrupts.
1106 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1107 to the latest specifications.
1108
11092000-01-20 Dave Brolley <brolley@redhat.com>
1110
1111 * sim-if.c (sim_open): Move frv-specific initialization to
1112 frv_initialize in reset.c.
1113 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1114 status bits for hardware vs software reset.
1115 * reset.c: New file.
1116 * frv-sim.h (frv_initialize): New function.
1117 (frv_power_on_reset): New function.
1118 (frv_hardware_reset): New function.
1119 (frv_software_reset): New function.
1120 (RSTR_ADDRESS): New macro.
1121 (RSTR_INITIAL_VALUE): New macro.
1122 (GET_RSTR_HR): New macro.
1123 (GET_RSTR_SR): New macro.
1124 (SET_RSTR_H): New macro.
1125 (SET_RSTR_S): New macro.
1126 (CLEAR_RSTR_P): New macro.
1127 (CLEAR_RSTR_H): New macro.
1128 (CLEAR_RSTR_S): New macro.
1129 (CLEAR_RSTR_HR): New macro.
1130 (CLEAR_RSTR_SR): New macro.
1131
11322000-01-03 Dave Brolley <brolley@cygnus.com>
1133
1134 * mloop.in (execute): Only call modeling function if the pointer is not
1135 NULL.
1136 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1137 fr500.
1138
11392000-01-03 Dave Brolley <brolley@cygnus.com>
1140
1141 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1142 (frv_options): Add --memory-latency.
1143 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1144 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1145 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1146 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1147 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1148 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1149 (update_latencies): Only clear usage flags if the register has no
1150 target latency.
1151 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1152 not |= (or assgnment).
1153 (frvbf_model_insn_after): Print post processing wait for all insns.
1154 Update prev_acc_p1 and prev_acc_p2.
1155 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1156 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1157 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1158 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1159 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1160 (frvbf_model_fr500_u_media_quad_arith): New function.
1161 (frvbf_model_fr500_u_media_dual_mul): New function.
1162 (frvbf_model_fr500_u_media_quad_mul): New function.
1163 (frvbf_model_fr500_u_media_quad_complex): New function.
1164 (frvbf_model_fr500_u_media_dual_expand): New function.
1165 (frvbf_model_fr500_u_media_dual_unpack): New function.
1166 (frvbf_model_fr500_u_media_dual_btoh): New function.
1167 (frvbf_model_fr500_u_media_dual_htob): New function.
1168 (frvbf_model_fr500_u_media_dual_btohe): New function.
1169 (frv_ref_SI): New function.
1170 * cache.h (FRV_CACHE): Add memory_latency field.
1171 * cache.c (frv_cache_init): Initialize memory_latency.
1172 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1173
11741999-12-17 Dave Brolley <brolley@cygnus.com>
1175
1176 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1177 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1178 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1179 (OPTIONS_FRV_TIMER): New enumeration.
1180 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1181 (frv_option_handler): Override common implementation of -p. Handle
1182 --profile-cache, --profile-parallel, --timer.
1183 * mloop.in (execute): Call profiling functions if the timer interrupt
1184 is enabled.
1185 (@cpu@_simulate_insn_prefetch): New function.
1186 (main loop): Call @cpu@_simulate_insn_prefetch.
1187 * interrupts.c (frv_queue_interrupt): Don't queue two external
1188 interrupts of the same priority.
1189 (frv_queue_external_interrupt): New function.
1190 (frv_external_interrupt): New function.
1191 (handle_interrupt): Handle external interrupts.
1192 (check_reset): New function.
1193 (frv_process_interrupts): Call check_reset.
1194 * frv.c: Include "bfd.h"
1195 (frvbf_h_psr_get_handler): Set the PIL field.
1196 (frvbf_h_psr_set_handler): Get the PIL field.
1197 (DUAL_REG): New macro.
1198 (DUAL_DOUBLE): New macro.
1199 (SET_USE_IS_FPOP): New macro.
1200 (SET_USE_NOT_FPOP): New macro.
1201 (USE_IS_FPOP): New macro.
1202 (SET_USE_IS_MEDIA): New macro.
1203 (SET_USE_NOT_MEDIA): New macro.
1204 (USE_IS_MEDIA_P1): New macro.
1205 (SET_USE_IS_MEDIA_P1): New macro.
1206 (SET_USE_NOT_MEDIA_P1): New macro.
1207 (SET_USE_IS_MEDIA_P2): New macro.
1208 (SET_USE_NOT_MEDIA_P2): New macro.
1209 (USE_IS_MEDIA_P2): New macro.
1210 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1211 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1212 (ACC_USE_IS_MEDIA_P1): New macro.
1213 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1214 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1215 (ACC_USE_IS_MEDIA_P2): New macro.
1216 (RESOURCE_IDIV): New macro.
1217 (RESOURCE_FDIV): New macro.
1218 (RESOURCE_SQRT): New macro.
1219 (fr_busy_adjust): New array.
1220 (acc_busy_adjust): New array.
1221 (apply_latency_adjustments): New function.
1222 (update_latencies): New function.
1223 (handle_wait_cycles): New function.
1224 (handle_resource_wait): New function.
1225 (update_target_latencies): New function.
1226 (frvbf_model_insn_before): Add resource latency to cycle counts.
1227 (frvbf_model_insn_after): Add resource latency to cycle counts.
1228 (update_GR_latency): New function.
1229 (update_GRdouble_latency): New function.
1230 (update_FR_latency): New function.
1231 (update_FRdouble_latency): New function.
1232 (decrease_ACC_busy): New function.
1233 (decrease_FR_busy): New function.
1234 (increase_FR_busy): New function.
1235 (update_ACC_latency): New function.
1236 (update_CCR_latency): New function.
1237 (update_idiv_resource_latency): New function.
1238 (update_fdiv_resource_latency): New function.
1239 (update_fsqrt_resource_latency): New function.
1240 (vliw_wait_for_GR): New function.
1241 (vliw_wait_for_GRdouble): New function.
1242 (vliw_wait_for_FR): New function.
1243 (vliw_wait_for_FRdouble): New function.
1244 (vliw_wait_for_CCR): New function.
1245 (vliw_wait_for_ACC): New function.
1246 (vliw_wait_for_idiv_resource): New function.
1247 (vliw_wait_for_fdiv_resource): New function.
1248 (vliw_wait_for_fsqrt_resource): New function.
1249 (enforce_full_fr_latency): New function.
1250 (frvbf_model_fr500_u_exec): New function.
1251 (frvbf_model_fr500_u_integer): New function.
1252 (frvbf_model_fr500_u_imul): New function.
1253 (frvbf_model_fr500_u_idiv): New function.
1254 (frvbf_model_fr500_u_branch): New function.
1255 (frvbf_model_fr500_u_set_hilo): New function.
1256 (frvbf_model_fr500_u_gr_load_store): New function.
1257 (frvbf_model_fr500_u_fr_load_store): New function.
1258 (frvbf_model_fr500_u_swap): New function.
1259 (frvbf_model_fr500_u_fr2fr): New function.
1260 (frvbf_model_fr500_u_fr2gr): New function.
1261 (frvbf_model_fr500_u_spr2gr): New function.
1262 (frvbf_model_fr500_u_gr2fr): New function.
1263 (frvbf_model_fr500_u_gr2spr): New function.
1264 (post_wait_for_FR): New function.
1265 (post_wait_for_FRdouble): New function.
1266 (post_wait_for_ACC): New function.
1267 (post_wait_for_CCR): New function.
1268 (post_wait_for_fdiv): New function.
1269 (post_wait_for_fsqrt): New function.
1270 (adjust_float_register_busy): New function.
1271 (adjust_double_register_busy): New function.
1272 (restore_float_register_busy): New function.
1273 (restore_double_register_busy): New function.
1274 (frvbf_model_fr500_u_float_arith): New function.
1275 (frvbf_model_fr500_u_float_dual_arith): New function.
1276 (frvbf_model_fr500_u_float_div): New function.
1277 (frvbf_model_fr500_u_float_sqrt): New function.
1278 (frvbf_model_fr500_u_float_compare): New function.
1279 (frvbf_model_fr500_u_float_dual_compare): New function.
1280 (frvbf_model_fr500_u_float_convert): New function.
1281 (frvbf_model_fr500_u_media): New function.
1282 (frvbf_model_fr500_u_barrier): New function.
1283 (frvbf_model_fr500_u_membar): New function.
1284 * frv-sim.h (LEUINT): New macro.
1285 (GET_HSR0_SA): New macro.
1286 (struct frv_interrupt_timer): New struct.
1287 (struct frv_interrupt_state): Add timer fiield.
1288 (frv_queue_external_interrupt): New function.
1289 (frv_external_interrupt): New function.
1290 (frv_profile_info): New function.
1291 (PROFILE_CACHE_IDX): New enumerator.
1292 (PROFILE_PARALLEL_IDX): New enumerator.
1293 (PROFILE_cache): New macro.
1294 (PROFILE_parallel): New macro.
1295 (WITH_PROFILE_CACHE_P): New macro.
1296 (WITH_PROFILE_PARALLEL_P): New macro.
1297 * cache.h (FRV_CACHE): Add last_was_hit field.
1298 * cache.c (get_tag): Use new last_was_hit field.
1299 (frv_cache_read): Ditto.
1300 (frv_cache_write): Ditto.
1301 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1302
13031999-12-13 Dave Brolley <brolley@cygnus.com>
1304
1305 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1306 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1307 sim_queue_fn_di_write.
1308 (frvbf_media_cut_ss): New function.
1309 * frv-sim.h (frvbf_media_cut_ss): New function.
1310 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1311
13121999-12-13 Dave Brolley <brolley@cygnus.com>
1313
1314 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1315 no constraints.
1316 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1317 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1318 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1319 FRV_IS_MEDIA_INSN.
1320 * frv.c (frvbf_model_simple_u_exec): New function.
1321 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1322 (FRV_IS_MEDIA_INSN): Range includes M-8.
1323
1324 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1325 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1326 Regenerate.
1327
13281999-12-10 Dave Brolley <brolley@cygnus.com>
1329
1330 * traps.c (check_registers_available): New function.
1331 (clear_ne_flags): Generate register_exception if register(s) not
1332 available.
1333 (frvbf_commit): Generate register_exception if register(s) not
1334 available.
1335 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1336 GR4-GR7 to SR0-SR4.
1337 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1338 PSR.ESR.
1339 (frvbf_h_psr_s_set_handler): New function.
1340 (frvbf_h_psr_esr_set_handler): New function.
1341 (frvbf_switch_supervisor_user_context): New function.
1342 (frvbf_scan_result): Reflect latest ISA.
1343 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1344 (frvbf_h_psr_esr_set_handler): New function.
1345 (frvbf_switch_supervisor_user_context): New function.
1346 (GET_HSR0_FRN): New Macro.
1347 (GET_HSR0_GRN): New Macro.
1348 (GET_HSR0_FRHE): New Macro.
1349 (GET_HSR0_FRLE): New Macro.
1350 (GET_HSR0_GRHE): New Macro.
1351 (GET_HSR0_GRLE): New Macro.
1352 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1353 (GET_ESFR): New bit ordering.
1354 (SET_ESFR): New bit ordering.
1355 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1356
13571999-12-10 Michael Meissner <meissner@cygnus.com>
1358
1359 * Makefile.in (sim-if.o): Add eng.h dependency.
1360
13611999-12-09 Dave Brolley <brolley@cygnus.com>
1362
1363 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1364 Pass sc->last_insn_p to @cpu@_model_insn_before.
1365 (main loop): Compute sc->first_insn_p.
1366 * frv.c (frvbf_model_insn_before): Set state variables.
1367 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1368 (frvbf_model_fr500_u_integer): Remove.
1369 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1370
13711999-12-07 Dave Brolley <brolley@cygnus.com>
1372
1373 * sim-main.h (cache.h): Include it.
1374 (insn_cache): New member.
1375 (data_cache): New member.
1376 (CPU_INSN_CACHE): New macro.
1377 (CPU_DATA_CACHE): New macro.
1378 * sim-if.c (WANT_CPU): New macro.
1379 (WANT_CPU_FRVBF): New macro.
1380 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1381 data and insn caches for each cpu.
1382 (sim_close): Call frv_cache_term for the insn and data caches of each
1383 cpu.
1384 * mloop.in (extract): Read insn from the cache.
1385 (main loop): Access the insn cache in order to maintain stats.
1386 * memory.c (data_non_cache_access): New function.
1387 (insn_non_cache_access): New function.
1388 (frvbf_read_mem_QI): Attempt to read from the cache first.
1389 (frvbf_read_mem_UQI): Ditto.
1390 (frvbf_read_mem_HI): Ditto.
1391 (frvbf_read_mem_UHI): Ditto.
1392 (frvbf_read_mem_SI): Ditto.
1393 (frvbf_read_mem_DI): Ditto.
1394 (frvbf_read_mem_DF): Ditto.
1395 (frvbf_read_imem_USI): New function.
1396 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1397 (frvbf_write_mem_UQI): Ditto.
1398 (frvbf_write_mem_HI): Ditto.
1399 (frvbf_write_mem_UHI): Ditto.
1400 (frvbf_write_mem_SI): Ditto.
1401 (frvbf_write_mem_DI): Ditto.
1402 (frvbf_write_mem_DF): Ditto.
1403 (frvbf_mem_set_QI): New function.
1404 (frvbf_mem_set_HI): New function.
1405 (frvbf_mem_set_SI): New function.
1406 (frvbf_mem_set_DI): New function.
1407 (frvbf_mem_set_DF): New function.
1408 (frvbf_mem_set_XI): New function.
1409 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1410 CGEN_FN_MEM_QI_WRITE,
1411 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1412 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1413 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1414 Call sim_queue_fn_mem_xi_write.
1415 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1416 Call sim_queue_fn_mem_xi_write.
1417 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1418 Call sim_queue_fn_mem_xi_write.
1419 (frvbf_insn_cache_preload): New function.
1420 (frvbf_data_cache_preload): New function.
1421 (frvbf_insn_cache_unlock): New function.
1422 (frvbf_data_cache_unlock): New function.
1423 (frvbf_insn_cache_invalidate): New function.
1424 (frvbf_data_cache_invalidate): New function.
1425 (frvbf_data_cache_flush): New function.
1426 * frv-sim.h (sim-options.h): Include it.
1427 (GET_HSR0): New macro.
1428 (SET_HSR0): New macro.
1429 (GET_HSR0_ICE): New macro.
1430 (SET_HSR0_ICE): New macro.
1431 (GET_HSR0_DCE): New macro.
1432 (SET_HSR0_DCE): New macro.
1433 (GET_HSR0_CBM): New macro.
1434 (GET_HSR0_RME): New macro.
1435 (GET_IHSR8): New macro.
1436 (GET_IHSR8_NBC): New macro.
1437 (frvbf_insn_cache_preload): New function.
1438 (frvbf_data_cache_preload): New function.
1439 (frvbf_insn_cache_unlock): New function.
1440 (frvbf_data_cache_unlock): New function.
1441 (frvbf_insn_cache_invalidate): New function.
1442 (frvbf_data_cache_invalidate): New function.
1443 (frvbf_data_cache_flush): New function.
1444 (insn_non_cache_access): New function.
1445 (frvbf_read_imem_USI): New function.
1446 (frvbf_mem_set_QI): New function.
1447 (frvbf_mem_set_HI): New function.
1448 (frvbf_mem_set_SI): New function.
1449 (frvbf_mem_set_DI): New function.
1450 (frvbf_mem_set_DF): New function.
1451 (frvbf_mem_set_XI): New function.
1452 (frv_options): FRV specific command line options.
1453 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1454 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1455 (cache.o): New target.
1456 (options.o): New target.
1457 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1458 * cache.h: New file.
1459 * cache.c: New file.
1460 * options.c: New file.
1461
14621999-11-29 Dave Brolley <brolley@cygnus.com>
1463
1464 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1465 (frvbf_check_non_excepting_divide): Ditto.
1466 (clear_ne_flags): Ditto
1467 (frvbf_commit): Ditto.
1468 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1469 * mloop.in (_parallel_write_init): Clear NE flags here.
1470 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1471 for non excepting insns. Also check for masked interrupts here.
1472 (frv_process_interrupts): Write NE flags here.
1473 (set_fp_exception_registers): No longer check for masked interrupts
1474 here.
1475 (check_for_compound_interrupt): No need to worry about masked
1476 interrupts.
1477 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1478 (GET_NE_FLAGS): New macro.
1479 (SET_NE_FLAGS): New macro.
1480 (GET_NE_FLAG): Operate on accumulated argument.
1481 (SET_NE_FLAG): Operate on accumulated argument.
1482 (CLEAR_NE_FLAG): Operate on accumulated argument.
1483 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1484 (frv.o): Correct dependencies.
1485 (traps.o): Ditto.
1486 (pipeline.o): Ditto.
1487 (interrupts.o): Ditto.
1488 (memory.o): Ditto.
1489 * sem.c: Regenerate.
1490
14911999-11-26 Dave Brolley <brolley@cygnus.com>
1492
1493 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1494 there is an exception indicated in the mask.
1495 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1496 state when adding a floating point insn to the pipeline.
1497 * interrupts.c (set_fp_exception_registers): Set NE flag for
1498 non-excepting insns.
1499 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1500 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1501 (frvbf_h_fr_int_get_handler): New function.
1502 (frvbf_h_fr_int_set_handler): New function.
1503 (frvbf_set_ne_index): New function.
1504 (NE_NOFLAG): New macro.
1505 (frv_interrupt_state): Add ne_index member.
1506 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1507 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1508 (frvbf_h_fr_int_get_handler): New function.
1509 (frvbf_h_fr_int_set_handler): New function.
1510 (frvbf_set_ne_index): New function.
1511 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1512
15131999-11-24 Dave Brolley <brolley@cygnus.com>
1514
1515 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1516
15171999-11-23 Dave Brolley <brolley@cygnus.com>
1518
1519 * frv-sim.h (frvbf_media_cut): New function.
1520 * frv.c (frvbf_media_cut): New function.
1521 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1522
15231999-11-22 Dave Brolley <brolley@cygnus.com>
1524
1525 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1526 * frv.c.h (frvbf_clear_all_accumulators): New function.
1527 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1528
15291999-11-18 Dave Brolley <brolley@cygnus.com>
1530
1531 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1532 if this is the first insn of its class in the pipeline.
1533 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1534 * traps.c (frvbf_media_register_not_aligned): New function.
1535 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1536
15371999-11-17 Dave Brolley <brolley@cygnus.com>
1538
1539 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1540 * frv-sim.h (OR_MSR_SIE): New macro.
1541 (CLEAR_MSR_SIE): New macro.
1542 (frvbf_media_overflow): Now takes sie argument.
1543 (frv_set_mp_exception_registers): Now takes sie argument.
1544 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1545 Set MSRx.SIE field.
1546 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1547
15481999-11-15 Dave Brolley <brolley@cygnus.com>
1549
1550 * traps.c (frv_mtrap): New function.
1551 (frvbf_media_cr_not_aligned): New function.
1552 (frvbf_media_acc_not_aligned): New function.
1553 (frvbf_media_overflow): New function.
1554 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1555 * interrupts.c: Call frv_set_mp_exception_registers.
1556 (frv_set_mp_exception_registers): New function.
1557 * frv-sim.h (frv_msr_mtt): New enumeration.
1558 (GET_MSR): New macro.
1559 (SET_MSR): New macro.
1560 (GET_MSR_AOVF): New macro.
1561 (SET_MSR_AOVF): New macro.
1562 (GET_MSR_OVF): New macro.
1563 (SET_MSR_OVF): New macro.
1564 (CLEAR_MSR_OVF): New macro.
1565 (GET_MSR_MTT): New macro.
1566 (SET_MSR_MTT): New macro.
1567 (frv_set_mp_exception_registers): New function.
1568 (frv_mtrap): New function.
1569 (FRV_IS_MEDIA_INSN): New macro.
1570 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1571
15721999-11-10 Dave Brolley <brolley@cygnus.com>
1573
1574 * sim-main.h (_sim_cpu): Add debug_state member.
1575 * mloop.in (_parallel_write_queued): Clear data_written.length.
1576 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1577 handler is 0xff.
1578 (frv_queue_break_interrupt): New function.
1579 (frv_break_interrupt): New function.
1580 (handle_interrupt): Handle break_interrupt.
1581 (frv_non_operating_interrupt): Now takes interrupt_kind.
1582 * frv-sim.h (frv_queue_break_interrupt): New function.
1583 (frv_break_interrupt): New function.
1584 (frv_break): New function.
1585 (frv_non_operating_interrupt): Now takes interrupt_kind.
1586 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1587
15881999-11-09 Dave Brolley <brolley@cygnus.com>
1589
1590 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1591 a floating point insn.
1592 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1593 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1594 frv_queue_fp_exception_interrupt.
1595 (frv_queue_fp_exception_interrupt): New function.
1596 (next_available_fq): New function.
1597 (set_fp_exception_registers): New function.
1598 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1599 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1600 (frv_program_interrupt): Don't process interrupt if it is masked.
1601 * frv.c (frvbf_h_fr_double_get_handler): Call
1602 frv_queue_fp_exception_interrupt.
1603 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1604 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1605 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1606 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1607 (frv_fp_exception_info): New struct type.
1608 (frv_interrupt_queue_element): Add fp_info member.
1609 (frv_fsr_traps): New enumeration.
1610 (frv_fsr_ftt): New enumeration.
1611 (frv_sie): New enumeration.
1612 (frv_miv): New enumeration.
1613 (GET_FSR): New macro.
1614 (SET_FSR): New macro.
1615 (GET_FSR_TEM): New macro.
1616 (SET_FSR_QNE): New macro.
1617 (SET_FSR_FTT): New macro.
1618 (GET_FSR_AEXC): New macro.
1619 (SET_FSR_AEXC): New macro.
1620 (GET_FQ): New macro.
1621 (SET_FQ): New macro.
1622 (SET_FQ_OPC): New macro.
1623 (SET_FQ_MIV): New macro.
1624 (SET_FQ_SIE): New macro.
1625 (SET_FQ_FTT): New macro.
1626 (SET_FQ_CEXC): New macro.
1627 (GET_FQ_VALID): New macro.
1628 (SET_FQ_VALID): New macro.
1629 (frv_queue_fp_exception_interrupt): New function.
1630 (FRV_IS_FLOAT_INSN): New macro.
1631
16321999-11-04 Dave Brolley <brolley@cygnus.com>
1633
1634 * traps.c (frvbf_fpu_error): No floating point errors need to be
1635 detected.
1636 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1637 of the ESR registers too.
1638 (set_exception_status_registers): Don't set EAR for any precise
1639 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1640 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1641 (non_operating_interrupt): No need for return code.
1642 (frv_program_or_software_interrupt): Process interrupt regardless
1643 of operating mode. If PSR.ET was not set at the start of processing,
1644 then stop the simulation with a message.
1645 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1646 CGEN_MEM_XI_WRITE.
1647 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1648 (frvbf_h_fr_quad_set_handler): New function.
1649 (frvbf_h_cpr_quad_set_handler): New function.
1650 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1651 sim_queue_fn_xi_write.
1652 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1653 sim_queue_fn_xi_write.
1654 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1655 sim_queue_fn_xi_write.
1656 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1657 sim_queue_mem_xi_write.
1658 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1659 sim_queue_mem_xi_write.
1660 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1661 sim_queue_mem_xi_write.
1662 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1663 (frvbf_h_fr_quad_set_handler): New function.
1664 (frvbf_h_cpr_quad_set_handler): New function.
1665 (SET_ESR_VALID): New macro.
1666 (CLEAR_ESR_VALID): New macro.
1667 (CLEAR_ESR_EAV): New macro.
1668 (CLEAR_ESR_EDV): New macro.
1669 * sem.c: Regenerate.
1670
16711999-11-02 Dave Brolley <brolley@cygnus.com>
1672
1673 * traps.c (frv_core_signal): Call
1674 frv_queue_mem_address_not_aligned_interrupt.
1675 * mloop.in (_parallel_write_queued): Call
1676 frv_save_data_written_for_interrupts.
1677 * frv.c (frvbf_h_gr_double_get_handler): Call
1678 frv_queue_register_exception_interrupt.
1679 (frvbf_h_cpr_double_get_handler): Call
1680 frv_queue_register_exception_interrupt.
1681 (frvbf_h_cpr_double_set_handler): Call
1682 frv_queue_register_exception_interrupt.
1683 (frvbf_load_multiple_GR): Call
1684 frv_queue_register_exception_interrupt.
1685 (frvbf_store_multiple_GR): Call
1686 frv_queue_register_exception_interrupt.
1687 (frvbf_load_multiple_CPR): Call
1688 frv_queue_register_exception_interrupt.
1689 (frvbf_store_multiple_CPR): Call
1690 frv_queue_register_exception_interrupt.
1691 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1692 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1693 queue element.
1694 (frv_queue_program_interrupt): Now returns interrupt queue element.
1695 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1696 element.
1697 (frv_queue_interrupt): Now returns interrupt queue element.
1698 (frv_queue_register_exception_interrupt): New function.
1699 (frv_queue_mem_address_not_aligned_interrupt): New function.
1700 (frv_save_data_written_for_interrupts): New function.
1701 (next_available_edr): EDR registers available in blocks of 4.
1702 (clear_exception_status_registers): New function.
1703 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1704
1705 * frv-sim.h (struct frv_data_written): New struct type.
1706 (frv_interrupt_queue_element): Add data_written member.
1707 (frv_queue_software_interrupt): Now returns interrupt queue element.
1708 (frv_queue_program_interrupt): Now returns interrupt queue element.
1709 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1710 element.
1711 (frv_queue_interrupt): Now returns interrupt queue element.
1712 (frv_queue_register_exception_interrupt): New function.
1713 (frv_queue_mem_address_not_aligned_interrupt): New function.
1714 (frv_save_data_written_for_interrupts): New function.
1715
17161999-10-27 Dave Brolley <brolley@cygnus.com>
1717
1718 * interrupts.c (ITABLE_ENTRY): New macro.
1719 (frv_interrupt_table): Add exception codes.
1720 (next_available_esr): New function.
1721 (next_available_edr): New function.
1722 (set_edr_register): New function.
1723 (set_exception_status_registers): New function.
1724 (check_for_compound_interrupt): Record information on all interrupts
1725 found.
1726 (frv_program_interrupt): Always call check_for_compound_interrupt.
1727 * frv.c (frvbf_h_pc_set_handler): Removed.
1728 (frvbf_h_spr_get_handler): Handle LR register.
1729 (frvbf_h_spr_set_handler): Handle LR register.
1730 (frvbf_h_lr_get_handler): New function.
1731 (frvbf_h_lr_set_handler): New function.
1732 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1733 (frvbf_h_lr_set_handler): New function.
1734 (frv_ec): New enumeration.
1735 (frv_interrupt): Add frv_ec field.
1736 (frv_rec): New enumeration.
1737 (frv_daec): New enumeration.
1738 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1739 (SET_ESR_EC): New macro.
1740 (SET_ESR_REC): New macro.
1741 (SET_ESR_IAEC): New macro.
1742 (SET_ESR_DAEC): New macro.
1743 (SET_ESR_EAV): New macro.
1744 (GET_ESR_EDV): New macro.
1745 (SET_ESR_EDV): New macro.
1746 (GET_ESR_EDN): New macro.
1747 (SET_ESR_EDN): New macro.
1748 (GET_ESR): New macro.
1749 (SET_ESR): New macro.
1750 (SET_EPCR): New macro.
1751 (SET_EAR): New macro.
1752 (SET_EDR): New macro.
1753 (GET_ESFR): New macro.
1754 (SET_ESFR): New macro.
1755 * cpu.c,cpu.h,sem.c: Rebuild.
1756
17571999-10-26 Dave Brolley <brolley@cygnus.com>
1758
1759 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1760 if mach is frv.
1761 (clear_nesr_neear): Only execute if mach is frv.
1762
17631999-10-22 Dave Brolley <brolley@cygnus.com>
1764
1765 * sim-main.h (sim_cpu): Add pipeline.
1766 (CPU_PIPELINE): New macro.
1767 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1768 (main loop): Maintain pc in cpu.
1769 * frv-sim.h (frv_queue_software_interrupt): New interface.
1770 (frv_queue_program_interrupt): New interface.
1771 (frv_queue_illegal_instruction_interrupt: New interface.
1772 (frv_queue_interrupt): New interface.
1773 (frv_detect_insn_access_interrupts): New interface.
1774 (frv_process_interrupts): New interface.
1775 (frv_program_interrupt): New interface.
1776 (frv_software_interrupt): New interface.
1777 (frv_program_or_software_interrupt): New interface.
1778 (FRV_PIPELINE): Moved from pipline.c.
1779 (frv_pipeline_reset): New interface.
1780 (frv_pipeline_add_insn): New interface.
1781 * interrupts.c (frv_queue_software_interrupt): New interface.
1782 (frv_queue_program_interrupt): New interface.
1783 (frv_queue_illegal_instruction_interrupt: New interface.
1784 (frv_queue_interrupt): New interface.
1785 (frv_detect_insn_access_interrupts): New interface.
1786 (frv_process_interrupts): New interface.
1787 (frv_program_interrupt): New interface.
1788 (frv_software_interrupt): New interface.
1789 (frv_program_or_software_interrupt): New interface.
1790 * frv.c: Use new interfaces.
1791 * pipeline.c: Use new interfaces.
1792 * traps.c: Use new interfaces.
1793 * memory.c: Use new interfaces.
1794 (frv_address_forbidden): No longer static.
1795
17961999-10-19 Dave Brolley <brolley@cygnus.com>
1797
1798 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1799 NESR.EC.
1800 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1801 * frv.c (frvbf_h_pc_set_handler): New function.
1802 * interrupts.c (frv_detect_data_interrupt): Removed.
1803 (address_forbidden): Removed.
1804 * frv-sim.h (frv_detect_data_interrupt): Removed.
1805 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1806 (NESR_REGISTER_NOT_ALIGNED): New macro.
1807 (NESR_UQI_SIZE): New macro.
1808 (NESR_QI_SIZE): New macro.
1809 (NESR_UHI_SIZE): New macro.
1810 (NESR_HI_SIZE): New macro.
1811 (NESR_SI_SIZE): New macro.
1812 (NESR_DI_SIZE): New macro.
1813 (NESR_XI_SIZE): New macro.
1814 (GET_NESR_DAEC): New macro.
1815 (SET_NESR_DAEC): New macro.
1816 (GET_NESR_REC): New macro.
1817 (SET_NESR_REC): New macro.
1818 (GET_NESR_EC): New macro.
1819 (SET_NESR_EC): New macro.
1820 (frvbf_read_mem_QI): New function.
1821 (frvbf_read_mem_UQI): New function.
1822 (frvbf_read_mem_HI): New function.
1823 (frvbf_read_mem_UHI): New function.
1824 (frvbf_read_mem_SI): New function.
1825 (frvbf_read_mem_WI): New function.
1826 (frvbf_read_mem_DI): New function.
1827 (frvbf_read_mem_DF): New function.
1828 (frvbf_write_mem_QI): New function.
1829 (frvbf_write_mem_UQI): New function.
1830 (frvbf_write_mem_HI): New function.
1831 (frvbf_write_mem_UHI): New function.
1832 (frvbf_write_mem_SI): New function.
1833 (frvbf_write_mem_WI): New function.
1834 (frvbf_write_mem_DI): New function.
1835 (frvbf_write_mem_DF): New function.
1836 * Makefile.in (SIM_OBJS): Add memory.o.
1837 * cpu.c,cpu.h,sem.c: Rebuild.
1838
18391999-10-18 Dave Brolley <brolley@cygnus.com>
1840
1841 * sim-if.c (sim_open): Use a real fpu error function.
1842 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
1843 * mloop.in (_parallel_write_queued): Clear queue after writing.
1844 * interrupts.c (check_for_compound_interrupt): New function.
1845 (non_operating_interrupt): New function.
1846 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
1847 (frvbf_h_gr_double_set_handler): New function.
1848 (frvbf_h_fr_double_get_handler): New function.
1849 (frvbf_h_fr_double_set_handler): New function.
1850 (frvbf_h_cpr_double_get_handler): New function.
1851 (frvbf_h_cpr_double_set_handler): New function.
1852 (frv_interrupt_queue_element): New struct type.
1853 (frv_queue_program_interrupt): Now takes pc.
1854 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1855 (frv_queue_interrupt): Now takes pc.
1856 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1857 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1858 (frvbf_division_exception): New function.
1859 (frvbf_fpu_error): New function.
1860 (frvbf_load_multiple_GR): New function.
1861 (frvbf_load_multiple_FR): New function.
1862 (frvbf_load_multiple_CPR): New function.
1863 * frv.c (frvbf_h_gr_double_get_handler): New function.
1864 (frvbf_h_gr_double_set_handler): New function.
1865 (frvbf_h_fr_double_get_handler): New function.
1866 (frvbf_h_fr_double_set_handler): New function.
1867 (frvbf_h_cpr_double_get_handler): New function.
1868 (frvbf_h_cpr_double_set_handler): New function.
1869 (frv_interrupt_queue_element): New struct type.
1870 (frv_queue_program_interrupt): Now takes pc.
1871 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1872 (frv_queue_interrupt): Now takes pc.
1873 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1874 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1875 (frvbf_fpu_error): New function.
1876 (frvbf_load_multiple_GR): New function.
1877 (frvbf_load_multiple_FR): New function.
1878 (frvbf_load_multiple_CPR): New function.
1879 * traps.c (frvbf_division_exception): New function.
1880 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1881
18821999-10-12 Dave Brolley <brolley@cygnus.com>
1883
1884 * mloop.in (new_vpc): New variable.
1885 (main loop): Call frv_detect_insn_access_interrupts. Call
1886 frv_detect_data_interrupts.
1887 * interrupts.c (access_queued_to): New function.
1888 (frv_detect_data_interrupts): New function.
1889 (frv_detect_insn_access_interrupts): New function.
1890 (frv_program_or_software_interrupt): Set PSR.S.
1891 * frv-sim.h (frv_detect_data_interrupts): New function.
1892 (frv_detect_insn_interrupts): New function.
1893
18941999-10-07 Dave Brolley <brolley@cygnus.com>
1895
1896 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
1897 (frvbf_h_gr_hi_set_handler): New function.
1898 (frvbf_h_gr_lo_get_handler): New function.
1899 (frvbf_h_gr_lo.set_handler): New function.
1900 * frv.c (frvbf_h_gr_hi_get_handler): New function.
1901 (frvbf_h_gr_hi_set_handler): New function.
1902 (frvbf_h_gr_lo_get_handler): New function.
1903 (frvbf_h_gr_lo.set_handler): New function.
1904 (frvbf_model_fr500_u_integer): New function.
1905 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
1906
19071999-10-04 Dave Brolley <brolley@cygnus.com>
1908
1909 * traps.c: Use sim_engine_abort.
1910 * pipeline.c (frv_pipeline): Add field for insn major.
1911 (add_next_to_pipe): Return address of matching pipeline.
1912 (find_major_in_pipeline): New function.
1913 (check_insn_major_constraints: New function.
1914 (frv_pipeline_add_insn): Add checks for insn major constraints.
1915 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
1916 * frv.c (frvbf_h_spr_get_handler): No need to abort.
1917
1918Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
1919
1920 * pipeline.c: New file.
1921 * mloop.in (main loop): Call frv_pipeline_reset.
1922 Call frv_pipeline_add_insn.
1923 * frv-sim.h (frv_pipeline_reset): New function.
1924 (frv_pipeline_add_insn): New function.
1925 * Makefile.in (SIM_OBJS): Add pipeline.o
1926
19271999-09-29 Doug Evans <devans@casey.cygnus.com>
1928
1929 * sem.c: Rebuild.
1930 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
1931 result to SEM_PC. Return vpc.
1932
1933Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
1934
1935 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
1936 (frv_queue_interrupt): Don't detect identical interrupts here.
1937
1938Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
1939
1940 * interrupts.c: New file.
1941 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
1942 (frv_software_interrupt): Moved to interrupts.c.
1943 (frv_itrap): New interface. Call frv_queue_software_interrupt.
1944 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
1945 (@cpu@_perform_writeback): New function.
1946 (main loop): Call frv_process_interrupts.
1947 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
1948 (frv_itrap): New interface.
1949 (frv_interrupt_class): New enumeration.
1950 (frv_interrupt_kind): New enumeration.
1951 (struct frv_interrupt): New struct type.
1952 (frv_interrupt_table): New table of interrupt information.
1953 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
1954 (struct frv_interrupt_state): New struct type.
1955 (frv_interrupt_state): New global variable.
1956 (previous_vliw_pc): New global variable.
1957 (frv_queue_software_interrupt): New function.
1958 (frv_queue_program_interrupt): New function.
1959 (frv_queue_interrupt): New function.
1960 (frv_process_interrupts): New function.
1961 (frv_program_interrupt): New function.
1962 (frv_software_interrupt): New function.
1963 (frv_program_or_software_interrupt): New function.
1964 (frv_clear_interrupt_classes): New function.
1965 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
1966 * Makefile.in (SIM_OBJS): Add interrupts.o
1967 * sem.c: Rebuild.
1968
19691999-09-25 Doug Evans <devans@casey.cygnus.com>
1970
1971 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
1972
1973Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
1974
1975 * mloop.in (main loop): Determine last insn from scache entry.
1976 * cpu.h: Rebuild.
1977 * cpuall.h: Rebuild.
1978
1979Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
1980
1981 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
1982 (NECR_ELOS): Define as unshifted value.
1983 (NECR_NEN): Define as unshifted value.
1984 (NECR_VALID): Define as unshifted value.
1985 (SET_NESR): Rewite to use post-write queue.
1986 (SET_NESR_VALID): Rewite to operate on argument.
1987 (SET_NESR_EAV): Rewite to operate on argument.
1988 (SET_NESR_FR): Rewite to operate on argument.
1989 (CLEAR_NESR_FR): Rewite to operate on argument.
1990 (SET_NESR_DRN): Rewite to operate on argument.
1991 (SET_NESR_SIZE): Rewite to operate on argument.
1992 (SET_NESR_NEAN): Rewite to operate on argument.
1993 (SET_NEEAR): Rewite to use post-write queue.
1994 (SET_NE_FLAG): Rewite to use post-write queue.
1995 (CLEAR_NE_FLAG): Rewite to use post-write queue.
1996 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
1997 (frv_rett): Rewite to use post-write queue.
1998 (next_available_nesr): Rewrite to use new macro interfaces.
1999 (next_valid_nesr): Ditto.
2000 (frvbf_check_non_excepting_load): Ditto.
2001 (frvbf_check_recovering_store): Ditto.
2002 (clear_nesr_neear): Ditto.
2003 (clear_ne_flags): Ditto.
2004 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2005 when flag is set.
2006 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2007 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2008 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2009 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2010 * Makefile.in (frv.o): Depend on cgen-par.h.
2011
2012Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2013
2014 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2015 (frvbf_write_next_vliw_addr_to_LR): New flag.
2016 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2017 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2018 address of the next VLIW insn if flag is set.
2019 * cpu.h,decode.c,sem.c: Rebuild.
2020
2021Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2022
2023 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2024 * sem.c: Rebuild.
2025
20261999-09-02 Doug Evans <devans@casey.cygnus.com>
2027
2028 * configure: Regenerated to track ../common/aclocal.m4 changes.
2029
20301999-09-01 Doug Evans <devans@casey.cygnus.com>
2031
2032 * decode.c: Rebuild.
2033
2034Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2035
2036 * traps.c (frv_rett): New function.
2037 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2038 (frvbf_h_spr_set_handler): Handle bpsr.
2039 (frvbf_h_bpsr_get_handler): New function.
2040 (frvbf_h_bpsr_set_handler): New function.
2041 * frv-sim.h (frv_rett): New function.
2042 (frvbf_h_bpsr_get_handler): New function.
2043 (frvbf_h_bpsr_set_handler): New function.
2044 * mloop.in: Read actual packing bit.
2045 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2046
2047Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2048
2049 * traps.c (WANT_CPU): New macro.
2050 (WANT_CPU_FRVBF): New macro.
2051 (frvbf_check_recovering_store): Use registers for source and queue
2052 writes.
2053 * mloop.in: New main loop for parallel support.
2054 (@cpu@_parallel_write_init): New function.
2055 (@cpu@_parallel_write_queued): New function.
2056 * frv-sim.h (set_icc_for_shift_left): New interface.
2057 (set_icc_for_shift_right): New interface.
2058 (frvbf_check_recovering_store): New interface.
2059 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2060 (set_icc_for_shift_right): Pass and return icc value.
2061 (frvbf_check_recovering_store): New interface.
2062 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2063 (stamp-mloop): Add cgen parallel options.
2064 (stamp-arch): Remove with-profile option.
2065 (stamp-cpu): Add cgen parallel options.
2066 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2067
20681999-08-28 Doug Evans <devans@casey.cygnus.com>
2069
2070 * cpu.h,decode.c,sem.c: Rebuild.
2071
2072Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2073
2074 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2075
2076Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2077
2078 * configure.in: fr500 now the default model.
2079 * configure: Regenerate.
2080 * frv.c: Change frv-1 to frv-gen.
2081 (frvbf_model_fr500_u_exec): New function.
2082 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2083 * mloop.in: Fix typos in comments.
2084 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2085
20861999-08-17 Dave Brolley <brolley@cygnus.com>
2087
2088 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2089
20901999-08-09 Doug Evans <devans@casey.cygnus.com>
2091
2092 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2093
20941999-08-04 Doug Evans <devans@casey.cygnus.com>
2095
2096 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2097
2098Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2099
2100 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2101 (frvbf_store_register): Use GDB register number macros.
2102 (frvbf_cut): New function.
2103 * frv-sim.h (GR_REGNUM_MAX): New macro.
2104 (FR_REGNUM_MAX): New macro.
2105 (PC_REGNUM): New macro.
2106 (LR_REGNUM): New macro.
2107 (frvbf_cut): New function.
2108 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2109
21101999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2111
2112 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2113 add default for unhandled registers.
2114 (frvbf_store_register): Add ability to set LR register.
2115
21161999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2117
2118 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2119 (decode_gdb_dr_regnum): Remove, not used.
2120
21211999-07-13 Michael Meissner <meissner@cygnus.com>
2122
2123 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2124
2125 * configure.in (--enable-sim-trapdump): New switch to make unknown
2126 traps dump the register contents, instead of doing the trap thing.
2127 * configure: Regenerate.
2128
2129 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2130 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2131 temporarily.
2132
2133 * traps.h (toplevel): Include bfd.h, libiberity.h.
2134 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2135 dumping the registers.
2136
2137Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2138
2139 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2140
2141Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2142
2143 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2144
2145Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2146
2147 * frv.c (frvbf_square_root_SF): Removed.
2148 (frvbf_square_root_DF): Removed.
2149 (frvbf_h_fr_double_get_handler): Removed.
2150 (frvbf_h_fr_double_set_handler): Removed.
2151 (frvbf_h_fr_int_get_handler): Removed.
2152 (frvbf_h_fr_int_set_handler): Removed.
2153 * frv-sim.h (frvbf_square_root_SF): Removed.
2154 (frvbf_square_root_DF): Removed.
2155 (frvbf_h_fr_double_get_handler): Removed.
2156 (frvbf_h_fr_double_set_handler): Removed.
2157 (frvbf_h_fr_int_get_handler): Removed.
2158 (frvbf_h_fr_int_set_handler): Removed.
2159 * decode.c,decode.h,model.c,sem.c: Rebuild.
2160
21611999-07-05 Doug Evans <devans@casey.cygnus.com>
2162
2163 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2164 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2165 * sim-if.c (sim_open): Initialize fpu.
2166 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2167 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2168 with frvbf_h_fr_get.
2169
2170Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2171
2172 * frv-sim.h (NESR_RANGE): New macro.
2173 (NO_NESR): New macro.
2174 (GET_NESR_VALID): New macro.
2175 (next_ne_index): Removed.
2176 * traps.c (next_available_nesr): New function.
2177 (next_valid_nesr): New function.
2178 (frvbf_check_non_excepting_load): Use next_available_nesr.
2179 (frvbf_check_recovering_store): Use next_available_nesr and
2180 next_valid_nesr.
2181 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2182 (frvbf_check_recovering_store): Only consider one matching register.
2183 * sem.c: Rebuild.
2184
2185Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2186
2187 * frv.c (frvbf_square_root_SF): New function.
2188 (frvbf_square_root_DF): New function.
2189 (frvbf_h_fr_double_get_handler): New function.
2190 (frvbf_h_fr_double_set_handler): New function.
2191 * frv-sim.h (frvbf_square_root_SF): New function.
2192 (frvbf_square_root_DF): New function.
2193 (frvbf_h_fr_double_get_handler): New function.
2194 (frvbf_h_fr_double_set_handler): New function.
2195 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2196
21971999-06-28 Dave Brolley <brolley@cygnus.com>
2198
2199 * decode.c,decode.h,model.c,sem.c: Regenerate.
2200
2201Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2202
2203 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2204 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2205 (frvbf_h_fr_int_set_handler): New function.
2206 (frvbf_store_multiple_FRint): New function.
2207 (frvbf_square_root_SF): New function.
2208 * frv.c (frvbf_h_fr_int_get_handler): New function.
2209 (frvbf_h_fr_int_set_handler): New function.
2210 (frvbf_store_multiple_FRint): New function.
2211 (frvbf_square_root_SF): New function.
2212 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2213
22141999-06-23 Doug Evans <devans@casey.cygnus.com>
2215
2216 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2217 to genmloop.sh. Pass -scache instead.
2218 (mloop.o): Delete sem-switch.c dependency.
2219 (sem-switch.c): Delete rule.
2220 (stamp-cpu): Don't build sem-switch.c.
2221 * sem-switch.c: Delete.
2222 * mloop.in (xfull-exec-*): Fix call to execute.
2223 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2224
2225 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2226
2227Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2228
2229 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2230
2231Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2232
2233 * mloop.in (execute): Force gr0 to zero before each insn.
2234 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2235
22361999-06-18 Doug Evans <devans@casey.cygnus.com>
2237
2238 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2239
2240Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2241
2242 * frv.c (frvbf_h_gr_get_handler): New function.
2243 (frvbf_h_gr_set_handler): New function:
2244 (frvbf_store-multiple_GR): New function:
2245 (frvbf_store-multiple_FR): New function:
2246 (frvbf_store-multiple_CPR): New function:
2247 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2248 (frvbf_h_gr_set_handler): New function:
2249 (frvbf_store-multiple_GR): New function:
2250 (frvbf_store-multiple_FR): New function:
2251 (frvbf_store-multiple_CPR): New function:
2252 * traps.c (frv_itrap): Implement proper syscalls interface.
2253 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2254
2255Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2256
2257 * traps.c (frvbf_check_non_excepting_divide): New function.
2258 (frvbf_check_recovering_store): New function.
2259 (clear_nesr_neear): New function.
2260 (clear_ne_flags): New function.
2261 (frvbf_commit): New function.
2262
2263 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2264 (frvbf_check_recovering_store): New function.
2265 (clear_nesr_neear): New function.
2266 (clear_ne_flags): New function.
2267 (frvbf_commit): New function.
2268 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2269
22701999-06-16 Dave Brolley <brolley@cygnus.com>
2271
2272 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2273 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2274 * traps.c (next_ne_index): New variable.
2275 (frvbf_check_non_excepting_load): New function.
2276 * frv-sim.h (NECR_ELOS): New macro.
2277 (NECR_NEN): New macro.
2278 (NECR_VALID): New macro.
2279 (SET_NESR_VALID): New macro.
2280 (SET_NESR_EAV): New macro.
2281 (SET_NESR_FR): New macro.
2282 (CLEAR_NESR_FR): New macro.
2283 (SET_NESR_DRN): New macro.
2284 (SET_NESR_SIZE): New macro.
2285 (SET_NESR_NEAN): New macro.
2286 (SET_NEEAR): New macro.
2287 (GET_NE_FLAG): New macro.
2288 (SET_NE_FLAG): New macro.
2289 (CLEAR_NE_FLAG): New macro.
2290 (frvbf_check_non_excepting_load): New function:
2291 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2292
2293Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2294
2295 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2296
2297Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2298
2299 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2300 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2301
2302Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2303
2304 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2305
23061999-06-07 Dave Brolley <brolley@cygnus.com>
2307
2308 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2309
2310Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2311
2312 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2313
2314Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2315
2316 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2317
2318Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2319
2320 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2321
2322Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2323
2324 * traps.c (frv_software_interrupt): Pass current_cpu to
2325 frvbf_h_psr_esr_get.
2326 (frv_software_interrupt): Calculate the new PC based on TBR.
2327 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2328
23291999-05-31 Dave Brolley <brolley@cygnus.com>
2330
2331 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2332
2333Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2334
2335 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2336 (frvbf_h_cccr_set_handler): New function.
2337 (frvbf_scan_result): New function.
2338 (frvbf_cr_logic): New function.
2339 * frv.c (frvbf_h_cccr_get_handler): New function.
2340 (frvbf_h_cccr_set_handler): New function.
2341 (frvbf_scan_result): New function.
2342 (frvbf_cr_logic): New function.
2343 (cr_ops,cr_result,cr_logic): New table.
2344 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2345
23461999-05-25 Dave Brolley <brolley@cygnus.com>
2347
2348 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2349 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2350 (frv_psr_get_handler): New function.
2351 (frv_psr_set_handler): New function.
2352 (frv_tbr_get_handler): New function.
2353 (frv_tbr_set_handler): New function.
2354 (frvbf_h_ccr_get_handler): Add support for fCC.
2355 (frvbf_h_ccr_set_handler): Add support for fCC.
2356 * frv-sim.h (frv_psr_get_handler): New function.
2357 (frv_psr_set_handler): New function.
2358 (frv_tbr_get_handler): New function.
2359 (frv_tbr_set_handler): New function.
2360 * traps.c (frv_software_interrupt): Implement.
2361 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2362
2363Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2364
2365 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2366
23671999-05-18 Dave Brolley <brolley@cygnus.com>
2368
2369 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2370 (frvbf_set_icc_for_shift_right): New function.
2371 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2372 (frvbf_set_icc_for_shift_right): New function.
2373 (SETMEMSF): New Macro.
2374 (SETMEMDF): New Macro.
2375 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2376
2377Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2378
2379 * frv.c (frvbf_h_ccr_get_handler): New function.
2380 (frvbf_h_ccr_set_handler): New function.
2381 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2382
2383Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2384
2385 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2386 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2387 * frv.c: Likewise.
2388 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2389
23901999-05-10 Dave Brolley <brolley@cygnus.com>
2391
2392 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2393
2394Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2395
2396 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2397 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2398
2399Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2400
2401 * traps.c (frv_software_interrupt): New function.
2402 (frv_itrap): New function.
2403 * frv-sim.h (TRAP_SYSCALL): define as 0.
2404 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2405
2406Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2407
2408 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2409
2410Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2411
2412 * Directory created.
GDB Binutils - Deliverables
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