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CommitLineData
8b73069f
RS		 12004-03-01 Richard Sandiford <rsandifo@redhat.com>
2
3 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
4
8ae0baa2
RS		 52004-03-01 Richard Sandiford <rsandifo@redhat.com>
6
7 * decode.c, decode.h, model.c, sem.c: Regenerate.
8
d74c4203
KB		 92003-11-24 Kevin Buettner <kevinb@redhat.com>
10
11 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
12 (SPR_REGNUM_MAX): Delete.
13 * frv.c (gdb/sim-frv.h): Include.
14 (frvbf_fetch_register, frvbf_store_register): Use register number
15 constants from gdb/sim-frv.h. Check availability of general
16 purpose and float registers.
17
0b01870b
DB		 182003-11-03 Dave Brolley <brolley@redhat.com>
19
20 * cache.c (address_interference): Check for higher priority requests
21 in the same pipeline.
22
9a29f3ca
DB		 232003-10-31 Dave Brolley <brolley@redhat.com>
24
162cec1b 25 * frv-sim.h (LR_REGNUM): Removed.
073926e5 26 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 27 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 28 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 29 Return 0 for an unimplemented register. Return the length of the data
30 for an implemented register.
31 (frvbf_store_register): Ditto.
32
fc0a2244
AC		 332003-10-30 Andrew Cagney <cagney@redhat.com>
34
35 * traps.c: Replace "struct symbol_cache_entry" with "struct
36 bfd_symbol".
37
29a79ca0
DB		 382003-10-10 Dave Brolley <brolley@redhat.com>
39
40 * cpu.h, sem.c: Regenerate.
41
e930b1f5
DB		 422003-10-06 Dave Brolley <brolley@redhat.com>
43
44 * profile-fr550.[ch]: New files.
45 * configure.in: Move frv handling to alphabetically correct placement.
46 * Makefile.in: Add fr550 support.
47 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
48 profile.[ch],registers.c,traps.c: Add fr550 support.
49 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
50 Regenerate.
51
22f367a7
DB		 522003-09-25 Dave Brolley <brolley@redhat.com>
53
54 * reset.c (frv_initialize): Call frv_register_control_init first.
55
1c453cd6
DB		 562003-09-24 Dave Brolley <brolley@redhat.com>
57
58 * profile.h (update_FR_ptime): New prototype.
59 (update_FRdouble_ptime): Ditto.
60 (update_SPR_ptime): Ditto.
61 (increase_ACC_busy): Ditto.
62 (enforce_full_acc_latency): Ditto.
63 (post_wait_for_SPR): Ditto.
64 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
65 (update_FRdouble_ptime): Ditto.
66 (update_SPR_ptime): New function.
67 (increase_ACC_busy): Ditto.
68 (enforce_full_acc_latency): Ditto.
69 (vliw_wait_for_fdiv_resource): Correct resource name.
70 (vliw_wait_for_fsqrt_resource): Ditto.
71 (post_wait_for_SPR): New function.
72 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
73 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
74 adjust_float_register_busy.
75 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
76 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
77 registers.
78 (frvbf_model_fr500_u_float_arith): Ditto.
79 (frvbf_model_fr500_u_float_dual_arith): Ditto.
80 (frvbf_model_fr500_u_float_div): Ditto.
81 (frvbf_model_fr500_u_float_sqrt): Ditto.
82 (frvbf_model_fr500_u_float_convert): Ditto.
83 (update_FR_ptime): Moved to profile.c
84 (update_FRdouble_ptime): Moved to profile.c
85 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
86 for other machines.
87 (update_FRdouble_ptime): Ditto.
88 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
89
153431d6
DB		 902003-09-12 Dave Brolley <brolley@redhat.com>
91
92 * registers.c (frv_check_spr_read_access): Check for access to
93 ACC4-ACC63 and ACCG4-ACCG63.
94 * profile.h (frv-desc.h): #include it.
95 (spr_busy): New member of FRV_PROFILE_STATE.
96 (spr_latency): Ditto.
97 (GNER_FOR_GR): New macro.
98 (FNER_FOR_FR): New maccro.
99 (update_SPR_latency): New function.
100 (vliw_wait_for_SPR): New function.
93938d47 101 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 102 (update_target_latencies): Ditto.
103 (update_SPR_latency): New function.
104 (vliw_wait_for_SPR): New function.
105 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
106 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
107 (frvbf_model_fr500_u_check): Ditto.
108 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
109 (frvbf_model_fr500_u_clrfr): Ditto.
110 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
111 (frvbf_model_fr500_u_gr2spr): Ditto.
112 * frv-sim.h (H_SPR_ACC4): New macro.
113 (H_SPR_ACCG4): New macro;
114 (H_SPR_ACC0): Removed.
115 (H_SPR_ACCG0): Removed.
116 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
117
ba9c4053
DB		 1182003-09-10 Dave Brolley <brolley@redhat.com>
119
120 * profile.c (slot_names): FM1 was listed twice. Changed first
121 instance to FM0. Added IALL, FMALL and FMLOW.
122 (print_parallel): Don't examine slots with no insns.
123
f9e18f5a
DB		 1242003-09-09 Dave Brolley <brolley@redhat.com>
125
126 * frv.c (do_media_average): Select machine using a switch.
127
d89a78b6
DB		 1282003-09-08 Dave Brolley <brolley@redhat.com>
129
130 On behalf of Doug Evans <dje@sebabeach.org>
131 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
132 Remove copying of .cpu file to cgen/cpu, no longer needed.
133
d03ea14f
DB		 1342003-09-03 Dave Brolley <brolley@redhat.com>
135
136 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
137
e8d2f504
DB		 1382003-08-29 Dave Brolley <brolley@redhat.com>
139
140 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
141 temporarily when regenerating files.
142 (stamp-cpu): Ditto.
143
b34f6357
DB		 1442003-08-20 Micheal Snyder <msnyder@redhat.com>
145
146 * All generated files: Regenerate.
147
1482001-10-11 Dave Brolley <brolley@redhat.com>
149
150 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
151
1522001-10-09 Dave Brolley <brolley@redhat.com>
153
154 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
155 not set.
156 * reset.c (frv_hardware_reset): Invalidate both caches.
157 * registers.c: Update init, reset and read-only masks for all registers
158 on all machines.
159 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
160 (prev_gr_complex): New field of FRV_PROFILE_STATE
161 (set_use_is_gr_complex): New function.
162 (set_use_not_gr_complex): New function.
163 (use_is_gr_complex): New function.
164 (decrease_GR_busy): New function.
165 * profile.c (reset_gr_flags): New function.
166 (reset_cc_flags): New function.
167 (set_use_is_gr_complex): New function.
168 (set_use_not_gr_complex): New function.
169 (use_is_gr_complex): New function.
170 (update_latencies): Reset gr and cc flags when latency reaches 0.
171 (decrease_GR_busy): New function.
172 * profile-fr400.h (fr500_reset_acc_flags): Removed.
173 (fr500_reset_cc_flags): New function.
174 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
175 LSI version 1.41.
176 * profile-fr400.h (fr400_reset_gr_flags): New function.
177 (fr400_reset_fr_flags): New function.
178 (fr400_reset_acc_flags): New function.
179 * profile-fr400.c (set_use_not_media_p4): New function.
180 (set_use_not_media_p6): New function.
181 (set_acc_use_not_media_p2): New function.
182 (set_acc_use_not_media_p4): New function.
183 (fr400_reset_gr_flags): New function.
184 (fr400_reset_fr_flags): New function.
185 (fr400_reset_acc_flags): New function.
186 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
187 (frvbf_model_fr400_u_media_hilo): New function.
188 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
189 * memory.c (fr400_check_data_read_address): Check address range only
190 for double word loads. Don't check alignment here.
191 (fr400_check_readwrite_address): New function.
192 (fr500_check_readwrite_address): New function.
193 (check_readwrite_address): New function.
194 (fr500_check_insn_read_address): Correct address ranges.
195 (frvbf_read_mem_*): Check address range here.
196 (frv_address_forbidden): Removed.
197 (fr400_check_write_address): New function.
198 (check_write_address): New function.
199 (frvbf_write_mem_*): Don't check address range here.
200 (frvbf_mem_set_*): Check address range here.
201 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
202 address as second argument.
203 (frv_queue_data_access_exception_interrupt): New function.
204 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
205 media insns on fr400.
206 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
207 for media insns on fr400.
208 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
209 of insns here. Check for MTRAP insn if PSR.EM is not set.
210 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
211 set.
212 (set_exception_status_registers): Do not always set EPCR. Set EAR for
213 data_acess_error only if not fr400.
214 * frv.c (do_media_average): New function.
215 (frvbf_media_average): New function.
216 (frvbf_insn_cache_invalidate): Check for illegal invocation.
217 (frvbf_data_cache_invalidate): Ditto.
218 (frvbf_data_cache_flush): Ditto.
219 * frv-sim.h (GET_FSR_QNE): New macro.
220 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
221 (GET_MSR_SRDAV): New macro.
222 (GET_MSR_RDAV): New macro.
223 (GET_MSR_RD): New macro.
224 (frv_queue_data_access_error_interrupt): Now takes an address as second
225 argument.
226 (frv_address_forbidden): Removed.
227 * cache.c (non_cache_access): Correct address ranges. Now takes cache
228 as first argument.
229 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
230
2312001-08-20 Dave Brolley <brolley@redhat.com>
232
233 * sim-main.h (_sim_cpu): New field 'elf_flags'.
234 * sim-if.c (sim_open): Extract the elf_flags from the input file and
235 save them with each cpu.
236 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
237 last_insn_p before executing the insn.
238 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
239 insn cache.
240 (frv_cache_invalidate_all): Ditto.
241
2422001-08-20 Richard Sandiford <rsandifo@redhat.com>
243
244 * traps.c (syscall_read_mem): Flush the data cache before reading.
245 (syscall_write_mem): Flush the data cache before writing.
246 Invalidate both caches.
247
2482001-07-05 Ben Elliston <bje@redhat.com>
249
250 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
251 (stamp-cpu): Likewise.
252
2532001-05-23 Dave Brolley <brolley@redhat.com>
254
255 * profile-fr400.c (acc_use_is_media_p2): New function.
256 (frvbf_model_fr400_u_media_2): Account for latency of output
257 accumulators.
258 (frvbf_model_fr400_u_media_2_quad): Ditto.
259 (frvbf_model_fr400_u_media_2_acc): New function.
260 (frvbf_model_fr400_u_media_2_acc_dual): New function.
261 (frvbf_model_fr400_u_media_2_add_sub): New function.
262 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
263 (frvbf_model_fr400_u_media_3_dual): New function.
264 (frvbf_model_fr400_u_media_4_acc_dual): New function.
265 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
266
2672001-05-15 Dave Brolley <brolley@redhat.com>
268
269 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
270 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
271 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
272 (request_cache_flush): Save 'all' argument.
273 (request_cache_invalidate): Save all_cache_entries from profile state
274 to 'all' field of the request.
275 (submit_cache_request): Pass the 'all' field of the request to
276 frv_cache_request_invalidate.
277 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
278 operation even if HSR0.ICE is not set.
279 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
280 operation even if HSR0.DCE is not set.
281 (frv_data_cache_flush): Ditto.
282 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
283 (frv_data_cache_invalidate): Add new 'all' parameter.
284 (frv_data_cache_flush): Add new 'all' parameter.
285 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
286 (frv_cache_request_invalidate): Add new 'all' parameter.
287 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
288 its value in the invalidate request.
289 (address_interference): Accept the value '-1' for the address argument
290 to mean 'any address'.
291 (handle_req_invalidate): Handle request to invalidate all cache lines.
292 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
293
2942001-05-14 Dave Brolley <brolley@redhat.com>
295
296 * profile.h (past_first_p): New field of profiling state.
297 (branch_penalty): Ditto.
298 (branch_hint): Ditto.
299 (update_branch_penalty): New function.
300 * profile.c (frvbf_model_insn_after): Reset past_first_p and
301 branch_address fields of the profiling state.
302 (frvbf_model_branch): New function.
303 (update_branch_penalty): New function.
304 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
305 FCCi_3 inputs.
306 (frvbf_model_fr500_u_trap): New function.
307 (frvbf_model_fr500_u_check): New function.
308 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
309 cycles.
310 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
311 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
312 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
313 documented in teh fr400 LSI.
314 (frvbf_model_fr400_u_media_dual_htob): Ditto.
315 (frvbf_model_fr400_u_media_dual_unpack): Removed.
316 (frvbf_model_fr500_u_trap): New function.
317 (frvbf_model_fr500_u_check): New function.
318 * mloop.in (simulate_dual_insn_prefetch): New function.
319 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
320 arguments for each machine type.
321 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
322
3232001-05-09 Dave Brolley <brolley@redhat.com>
324
325 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
326 (profile-fr400.o): New target.
327 * profile.c: New file.
328 * profile.h: New file.
329 * profile-fr400.c: New file.
330 * profile-fr400.h: New file.
331 * profile-fr500.c: New file.
332 * profile-fr500.h: New file.
333 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
334
3352001-05-02 Dave Brolley <brolley@redhat.com>
336
337 * sim-main.h (profile.h): #include it.
338 (CPU_PROFILE_STATE): New macro.
339 (profile_state): New frv specific cpu field.
340 * reset.c (frv_initialize): insn_fetch_address and branch_address now
341 part of global profiling state.
342 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
343 (SIM_EXTRA_DEPS): Add profile.h.
344 (registers.o): Correct name of source file.
345 (profile.o): New target.
346 (profile-fr500.o): New target.
347 * frv-sim.h: Move profile related data structures to profile.h.
348 * frv.c: Move fr500 specific functions to profile-fr500.c.
349 * cpu.h: Regenerated.
350
3512001-04-27 Dave Brolley <brolley@redhat.com>
352
353 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
354 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
355 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
356 Rename PIPE_* to UNIT_*.
357 (frv_queue_illegal_instruction_interrupt): Use
358 frv_is_float_insn and frv_is_media_insn.
359 (frv_queue_non_implemented_instruction_interrupt): Ditto.
360 (frv_detect_insn_access_interrupts): Ditto.
361 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
362 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
363 * memory.c: Ditto.
364 * pipeline.c: Ditto.
365 * mloop.in: Ditto.
366 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
367 * cache.c: Rename PIPE_* to UNIT_*.
368
3692001-04-24 Dave Brolley <brolley@redhat.com>
370
371 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
372 (frvbf_load_quad_FRint): Ditto.
373 (frvbf_load_quad_CPR): Ditto.
374 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
375 machines.
376 (bfd.h): #include it.
377 (non_cache_access): Update for revised fr500 and for fr400.
378 * registers.c (frv_spr): Don't reset PSR.PS.
379 (fr500_spr): Ditto.
380 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
381
3822001-04-23 Dave Brolley <brolley@redhat.com>
383
384 * traps.c (frv_core_signal): On fr400, generate data_access_error.
385 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
386 (frvbf_media_acc_not_aligned): Ditto.
387 (frvbf_media_register_not_aligned): Ditto.
388 (frvbf_division_exception): Use GET_ISR_EDE.
389 * registers.c (frv_check_spr_read_access): New function.
390 (frv_check_spr_write_access): New function.
391 (frv_check_spr_access): Deleted.
392 (frv_check_register_access): On fr400, generate illegal_instruction.
393 * memory.c (fr400_check_data_read_address): New function.
394 (fr500_check_data_read_address): Ditto.
395 (check_data_read_address): Ditto.
396 (fr400_check_insn_read_address): Ditto.
397 (fr500_check_insn_read_address): Ditto.
398 (check_insn_read_address): Ditto.
399 (frvbf_read_mem_QI): Call check_data_read_access.
400 (frvbf_read_mem_UQI): Ditto.
401 (frvbf_read_mem_HI): Ditto.
402 (frvbf_read_mem_UHI): Ditto.
403 (frvbf_read_mem_SI): Ditto.
404 (frvbf_read_mem_DI): Ditto.
405 (frvbf_read_mem_DF): Ditto.
406 (frvbf_read_imem_USI): Call check_insn_read_access.
407 (frv_address_forbidden): Now takes cpu as first argument. Check based
408 on machine type.
409 (fr400_mem_address_unaligned): New function.
410 (fr500_mem_address_unaligned): Ditto.
411 (check_write_address): Ditto.
412 (frvbf_mem_set_QI): Call check_write_address.
413 (frvbf_mem_set_HI): Ditto.
414 (frvbf_mem_set_SI): Ditto.
415 (frvbf_mem_set_DI): Ditto.
416 (frvbf_mem_set_DF): Ditto.
417 (frvbf_mem_set_XI): Ditto.
418 * interrupts.c (bfd.h): #include it.
419 (frv_queue_data_access_error_interrupt): New function.
420 (frv_queue_instruction_access_error_interrupt): New function.
421 (frv_queue_instruction_access_exception_interrupt): New function.
422 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
423 (frv_queue_non_implemented_instruction_interrupt): Ditto.
424 (frv_detect_insn_access_interrupts): Reorder tests to match priority
425 from the LSI manual.
426 (set_isr_exception_fields): Accumulate dtt bits.
427 * frv.c (check_register_alignment): New function.
428 (check_fr_register_alignment): New function.
429 (check_memory_alignment): New function.
430 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
431 (frvbf_h_gr_double_set_handler): Ditto.
432 (frvbf_h_cpr_double_get_handler): Ditto.
433 (frvbf_h_cpr_double_set_handler): Ditto.
434 (frvbf_h_gr_quad_set_handler): Ditto.
435 (frvbf_h_cpr_quad_set_handler): Ditto.
436 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
437 (frvbf_h_fr_double_set_handler): Ditto.
438 (frvbf_h_fr_quad_set_handler): Ditto.
439 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
440 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
441 (frvbf_load_quad_GR): Call check_memory_aligment.
442 (frvbf_load_quad_FRint): Ditto.
443 (frvbf_load_quad_CPR): Ditto.
444 (frvbf_store_quad_GR): Call check_memory_aligment and
445 check_register_alignment.
446 (frvbf_store_quad_FRint): Ditto.
447 (frvbf_store_quad_CPR): Ditto.
448 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
449 * frv-sim.h (H_SPR_ACC0): New macro.
450 (H_SPR_ACC63): New macro.
451 (H_SPR_ACCG0): New macro.
452 (H_SPR_ACCG63): New macro.
453 (frv_dtt): New enumerator.
454 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
455 (GET_ISR_DTT): New macro.
456 (frv_queue_data_access_error_interrupt): New function.
457 (frv_queue_instruction_access_error_interrupt): New function.
458 (frv_queue_instruction_access_exception_interrupt): New function.
459 (frv_address_forbidden): Now takes cpu as first argument.
460 * cpu.h: Regenerate.
461
4622001-04-10 Dave Brolley <brolley@redhat.com>
463
464 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
465 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
466 (fr400_spr): Implement SPR registers for fr400.
467 (frv_register_control_init): Handle bfd_mach_fr400 properly.
468 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
469 (spr_psr_get_handler): Ditto.
470 (spr_ccr_get_handler): Ditto.
471 (spr_cccr_get_handler): Ditto.
472 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
473 * frv-sim.h: Update comment about MCCR_* macros.
474 * cpu.c,cpu.h: Regenerate.
475
4762001-04-05 Dave Brolley <brolley@redhat.com>
477
478 * cpu.h,decode.c,model.c,sem.c: Regenerate.
479
4802001-04-05 Dave Brolley <brolley@redhat.com>
481
482 * reset.c: Update copyright.
483 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
484 * frv.c (frvbf_model_fr400_u_exec): New function.
485 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
486 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
487 Regenerate.
488
4892000-11-22 Dave Brolley <brolley@redhat.com>
490
491 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
492 Regenerate.
493
4942000-11-10 Dave Brolley <brolley@redhat.com>
495
496 * decode.c: Regenerate.
497
4982000-09-12 Dave Brolley <brolley@redhat.com>
499
500 * traps.c (frv_sim_engine_halt_hook): New function.
501 (frv_itrap): Caches now invalidated in sim_engine_halt via
502 SIM_ENGINE_HALT_HOOK.
503 (frv_break): Ditto.
504 * sim-main.h (frv_sim_engine_halt_hook): New function.
505 (SIM_ENGINE_HALT_HOOK): New macro.
506 (SIM_ENGINE_RESTART_HOOK): New macro.
507 * interrupts.c: Call to frv_term now done within sim_engine_halt via
508 SIM_ENGINE_HALT_HOOK.
509
5102000-09-08 Dave Brolley <brolley@redhat.com>
511
512 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
513 respectively when stopping for a breakpoint.
514 (frv_break): Ditto.
515 * cache.h (frv_cache_invalidate_all): New function.
516 * cache.c (frv_cache_invalidate_all): New function.
517
5182000-09-05 Dave Brolley <brolley@redhat.com>
519
520 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
521 sim_handle_breakpoint. Otherwise if environment != operating call
522 sim_engine_halt. Otherwise handle normally.
523 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
524 breakpoints here. Moved to frv_break in traps.c.
525
526 * sem.c: Regenerate.
527
5282000-09-01 Dave Brolley <brolley@redhat.com>
529
530 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
531 before queuing an interrupt in order to allow 'break' to be used as
532 the breakpoint insn.
533
5342000-08-29 Dave Brolley <brolley@redhat.com>
535
536 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
537
5382000-07-27 Dave Brolley <brolley@redhat.com>
539
540 * cpu.h,decode.c: Rebuild.
541
5422000-07-26 Dave Brolley <brolley@redhat.com>
543
544 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
545 (spr_cccr_set_handler): Change CRx to CCx.
546 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
547
5482000-07-24 Dave Brolley <brolley@redhat.com>
549
550 * sem.c: Regenerate.
551 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
552 Don't write it directly.
553
554Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
555
556 * configure: Regenerated to track ../common/aclocal.m4 changes.
557
5582000-07-05 Ben Elliston <bje@redhat.com>
559
560 * configure: Regenerated to track ../common/aclocal.m4 changes.
561
5622000-06-28 Dave Brolley <brolley@redhat.com>
563
564 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
565
5662000-06-21 Dave Brolley <brolley@redhat.com>
567
568 * pipeline.c: All code except frv_pipeline_setup_insn moved to
569 frv.opc.
570 * mloop.in (main loop): frv_pipeline_add_insn broken up into
571 frv_pipeline_add_insn and frv_pipeline_setup_insn.
572 * frv-sim.h: Move pipeline status code to frv.opc.
573 * model.c: Regenerate.
574
5752000-06-12 Dave Brolley <brolley@redhat.com>
576
577 * options.c (frv_option_handler): --profile-parallel implies
578 --profile-model.
579 * mloop.in (fetch_buffer): Removed.
580 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
581 run_caches. Use cache directly if not counting cycles. Don't use
582 cache at all if not counting cycles and cache not enabled.
583 * frv.c (frv_insn_fetch_buffer): New global variable.
584 (run_caches): Monitor the status of insn prefetch requests.
585 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
586 (frv_insn_fetch_buffer): New global variable.
587
5882000-06-12 Dave Brolley <brolley@redhat.com>
589
590 * mloop.in (fetch_buffer): New static struct.
591 (@cpu@_simulate_insn_prefetch): Rewritten.
592 * cache.c (frv_cache_request_invalidate): Don't invalidate return
593 buffer.
594 (address_interference): Defer to any WAR request in either pipeline.
595
5962000-06-09 Dave Brolley <brolley@redhat.com>
597
598 * pipeline.c (insns_in_slot): New Array.
599 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
600 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
601 option.
602 (parse_cache_option): New function.
603 (frv_option_handler): Call parse_cache_option.
604 * frv.c (vliw_branch_taken): New variable.
605 (vliw_load_stall): New variable.
606 (handle_resource_wait): Update vliw_load_stall.
607 (frvbf_model_insn_before): Initialize vliw_branch_taken and
608 vliw_load_stall.
609 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
610 (load_wait_for_FR): Update vliw_load_stall.
611 (load_wait_for_GR): Update vliw_load_stall.
612 (load_wait_for_FRdouble): Update vliw_load_stall.
613 (load_wait_for_GRdouble): Update vliw_load_stall.
614 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
615 (slot_names): New static array.
616 (print_parallel): Now takes second argument 'verbose'. Print cycles per
617 VLIW insn and instructions per cycle. Also tabulate the number of insns
618 in each type of VLIW slot.
619 (frv_profile_info): Call print_parallel with new second argument.
620 * frv-sim.h (insn_in_slot): New array.
621 (COUNT_INSNS_IN_SLOT): New macro.
622 (INSNS_IN_SLOT): New macro.
623 * cache.c: Remove references to non_blocking_count. Remove references to
624 last_was_hit. Remove references to req_none.
625 (handle_req_store): Adjust statistics before requeuing the store
626 request.
627 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
628 * cache.h: Remove references to non_blocking_count. Remove references to
629 last_was_hit. Remove references to req_none.
630 * model.c: Regenerate.
631
6322000-06-08 Dave Brolley <brolley@redhat.com>
633
634 * frv.c (request_complete): Copy load data from the correct return
635 buffer.
636
6372000-06-07 Dave Brolley <brolley@redhat.com>
638
639 * traps.c (frv_core_signal): Call frv_term before exiting.
640 (frv_itrap): Call frv_term before exiting.
641 (next_available_nesr): Make sure NECR is implemented before reading it.
642 (next_valid_nesr): Ditto.
643 (frvbf_check_non_excepting_load): Ditto.
644 (frvbf_clear_ne_flags): Ditto.
645 (frvbf_commit): Ditto.
646 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
647 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
648 store_flag members.
649 (CPU_LOAD_ADDRESS): New macro.
650 (CPU_LOAD_LENGTH): New macro.
651 (CPU_LOAD_SIGNED): New macro.
652 (CPU_LOAD_LOCK): New macro.
653 * reset.c (frv_term): New function.
654 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
655 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
656 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
657 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
658 the insn. Model the insn in two passes. One before and one after
659 execution.
660 (cache_reqno): new static variable.
661 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
662 cache rather than assuming a fixed latency.
663 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
664 enabled so that modeling data is collected by cgen during execution.
665 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
666 * memory.c (data_non_cache_access): Removed.
667 (insn_non_cache_access): Removed.
668 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
669 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
670 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
671 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
672 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
673 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
674 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
675 (frvbf_read_imem_USI): Read the cache or ememory passively.
676 (frvbf_write_mem_QI): Don't check for non-cache access here.
677 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
678 (frvbf_write_mem_HI): Don't check for non-cache access here.
679 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
680 (frvbf_write_mem_SI): Don't check for non-cache access here.
681 (frvbf_write_mem_DI): Don't check for non-cache access here.
682 (frvbf_write_mem_DF): Don't check for non-cache access here.
683 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
684 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
685 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
686 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
687 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
688 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
689 * interrupts.c (check_reset): Read the cache and memory passively.
690 (frv_program_or_software_interrupt): Call frv_term before calling
691 sim_engine_halt.
692 * frv.c (all modeling functions): Break into two passes. One before
693 execuetion and one after. call load_wait_for_* for all GR and FR
694 registers.
695 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
696 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
697 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
698 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
699 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
700 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
701 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
702 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
703 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
704 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
705 (model_insn): New global variable.
706 (fr_ptime): New array.
707 (cache_request): New enumeration.
708 (CACHE_QUEUE_ELEMENT): New struct type.
709 (CACHE_QUEUE_SIZE): New macro.
710 (cache_queue): New static struct.
711 (request_cache_load): New function.
712 (request_cache_flush): New function.
713 (request_cache_invalidate): New function.
714 (request_cache_preload): New function.
715 (request_cache_unlock): New function.
716 (submit_cache_request): New function.
717 (activate_cache_requests): New function.
718 (load_pending_for_register): New function.
719 (flush_pending_for_address): New function.
720 (remove_cache_queue_element): New function.
721 (copy_load_data): New function.
722 (request_complete): New function.
723 (run_caches): New function.
724 (frv_model_trace_wait_cycles): New function.
725 (wait_for_flush): New function.
726 (frvbf_model_insn_before): Insn prefect wait now modeled in
727 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
728 wait_for_flush.
729 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
730 vliw_insns here anymore.
731 (update_FR_latency_for_load): New function.
732 (update_FRdouble_latency_for_load): New function.
733 (update_FR_ptime): New function.
734 (update_FRdouble_ptime): New function.
735 (update_GR_latency_for_swap): New function.
736 (load_wait_for_GR): New function.
737 (load_wait_for_FR): New function.
738 (load_wait_for_GRdouble): New function.
739 (load_wait_for_FRdouble): New function.
740 (frvbf_model_fr500_u_ici): New function.
741 (frvbf_model_fr500_u_dci): New function.
742 (frvbf_model_fr500_u_dcf): New function.
743 (frvbf_model_fr500_u_icpl): New function.
744 (frvbf_model_fr500_u_dcpl): New function.
745 (frvbf_model_fr500_u_icul): New function.
746 (frvbf_model_fr500_u_dcul): New function.
747 * frv-sim.h (frv_term): New function.
748 (insn_non_cache_access): Removed.
749 (FRV_COUNT_CYCLES): New macro.
750 (frv_save_peofile_model_p): New global variable.
751 (model_insn): New enumerated global variable.
752 (frv_model_advance_cycles): New function.
753 (frv_model_trace_wait_cycles): New function.
754 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
755 (FRV_CACHE_WAR_REQUEST): New struct type.
756 (FRV_CACHE_STORE_REQUEST): New struct type.
757 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
758 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
759 (FRV_CACHE_REQUEST): New struct type.
760 (FRV_CACHE_RETURN_BUFFER): New struct type.
761 (FRV_CACHE_FLUSH_STATUS): New struct type.
762 (FRV_CACHE_STATUS): New struct type.
763 (FRV_CACHE_STAGE): New struct type.
764 (FRV_CACHE_STAGES): New enumeration.
765 (FRV_CACHE_WAR): New struct type.
766 (FRV_CACHE_PIPELINE): New struct type.
767 (FRV_CACHE_ARS): New struct type.
768 (FRV_CACHE_STATISTICS): New struct type.
769 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
770 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
771 (CACHE_RETURN_DATA_ADDRESS): New macro.
772 (frv_cache_read): Now takes pipe index as second argument.
773 (frv_cache_enabled): New function.
774 (frv_cache_request_load): New function.
775 (frv_cache_request_store): New function.
776 (frv_cache_request_invalidate): New function.
777 (frv_cache_request_preload): New function.
778 (frv_cache_request_unlock): New function.
779 (frv_cache_run): New function.
780 (frv_cache_read_passive_SI): New function.
781 (frv_cache_data_in_buffer): New function.
782 (frv_cache_data_flushed): New function.
783 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
784 (frv_cache_enabled): New function.
785 (non_cache_access): New function.
786 (write_data_to_memory): Count write accesses for each mode. Write to
787 memory using sim_core_write_unaligned_1;
788 (read_data_from_memory): New function.
789 (fill_line_from_memory): Use read_data_from_memory.
790 (copy_line_to_return_buffer): New function.
791 (copy_memory_to_return_buffer): New function.
792 (set_return_buffer_reqno): New function.
793 (frv_cache_read): Now takes pipe index as second argument. Check for
794 non-cache access.
795 (frv_cache_preload): Check for non-cache access.
796 (frv_cache_unlock): Check for non-cache access.
797 (invalidate_return_buffer): New function.
798 (frv_cache_invalidate): Check for non-cache access.
799 (convert_slot_to_index): New function.
800 (FREE_CHAIN_SIZE): New macro.
801 (frv_cache_request_free_chain): New static variable.
802 (frv_store_request_free_chain): New static variable.
803 (allocate_new_cache_requests): New function.
804 (new_cache_request): New function.
805 (free_cache_request): New function.
806 (new_store_request): New function.
807 (pipeline_remove_request): New function.
808 (pipeline_add_request): New function.
809 (pipeline_requeue_request): New function.
810 (next_priority): New function.
811 (add_WAR_request): New function.
812 (pipeline_next_request): New function.
813 (pipeline_stage_request): New function.
814 (advance_pipelines): New function.
815 (frv_cache_request_load): New function.
816 (frv_cache_request_store): New function.
817 (frv_cache_request_invalidate): New function.
818 (frv_cache_request_preload): New function.
819 (frv_cache_request_unlock): New function.
820 (address_interference): New function.
821 (wait_for_WAR): New function.
822 (wait_in_WAR): New function.
823 (handle_req_load): New function.
824 (handle_req_preload): New function.
825 (handle_req_store): New function.
826 (handle_req_invalidate): New function.
827 (handle_req_unlock): New function.
828 (handle_req_WAR): New function.
829 (arbitrate_requests): New function.
830 (move_ARS_to_WAR): New function.
831 (decrease_latencies): New function.
832 (frv_cache_run): New function.
833 (frv_cache_read_passive_SI): New function.
834 (frv_cache_data_in_buffer): New function.
835 (frv_cache_data_flushed): New function.
836 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
837
838Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
839
840 * configure: Regenerated to track ../common/aclocal.m4 changes.
841
8422000-05-19 Dave Brolley <brolley@redhat.com>
843
844 * traps.c (frv_rett): Check for exceptions in the order specified in the
845 architecture spec. Allow privileged_instruction interrrupt to be handled
846 normally.
847 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
848 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
849 to clear the NE flag.
850 (frvbf_model_tomcat_u_exec): New function.
851 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
852 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
853 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
854
8552000-05-18 Dave Brolley <brolley@redhat.com>
856
857 * sim-if.c (elf-bfd.h): #include it.
858 (sim_open): Set machine amd architecture based on elf flags.
859
8602000-04-04 Dave Brolley <brolley@redhat.com>
861
862 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
863 Delete '#if 0' blocks.
864 * frv.c: Delete '#if 0' blocks.
865 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
866 PSR.S and PSR.ESR.
867 (frv_h_psr_esr_set_handler): Removed.
868 * interrupts.c: Delete '#if 0' blocks.
869 * memory.c: Delete '#if 0' blocks.
870 * cpu.c,cpu.h: Regenerate.
871
8722000-04-03 Dave Brolley <brolley@redhat.com>
873
874 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
875 containing the target address.
876 (clear_nesr_neear): No longer takes hi_available and lo_available.
877 Remove bogus check for available GR registers.
878 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
879 (frvbf_commit): Update call to clear_nesr_neear.
880 * interrupts.c (next_available_esr): Removed.
881 (next_available_edr): Removed.
882 (next_available_fq): Removed.
883 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
884 (frvbf_store_register): Remove "FIXME" comment.
885 * frv-sim.h (UART_INCHAR_ADDR): Removed.
886 (UART_OUTCHAR_ADDR): Removed.
887 (UART_STATUS_ADDR): Removed.
888 (UART_INPUT_READY): Removed.
889 (UART_OUTPUT_READY): Removed.
890 (FRV_DEVICE_ADDR): Removed.
891 (FRV_DEVICE_LEN): Removed.
892 (SET_NESR): Call frvbf_force_update.
893 (SET_NEEAR): Call frvbf_force_update.
894 (SET_NE_FLAGS): Call frvbf_force_update.
895
8962000-03-30 Dave Brolley <brolley@redhat.com>
897
898 * configure: Regenerated.
899
9002000-03-30 Dave Brolley <brolley@redhat.com>
901
902 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
903 * memory.c (frvbf_write_mem_*): Save slot containing the insn
904 performing the write.
905 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
906 queue element with the information in the interrupt state.
907 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
908 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
909 (frv_set_interrupt_queue_slot): New function.
910 (esr_for_data_access_exception): New function.
911 (set_edr_register): edr_index is now passed in.
912 (fq_for_exception): New function.
913 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
914 element now passed in.
915 (set_exception_status_registers): Obtain slot from interrupt queue
916 element. Call esr_for_data_access_exception. Use ESR14
917 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
918 (frv_save_data_written_for_interrupts): Save slot containing the insn
919 performing the write.
920 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
921 frv_fsr_ftt.
922 (struct frv_interrupt_state): Add 'slot' field.
923 (frv_set_interrupt_queue_slot): New function.
924 (frv_set_write_queue_slot): New function.
925
9262000-03-24 Dave Brolley <brolley@redhat.com>
927
928 * mloop.in (_parallel_write_init): Initialize
929 frv_interrupt_state.imprecise_interrupt.
930 (_parallel_write_queued): After an imprecise interrupt, only perform
931 forced writes and floating point writes (for certain exceptions).
932 * interrupts.c (handle_interrupt): Set
933 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
934 interrupt.
935 (frv_process_interrupts): No need to clear f_ne_flags.
936 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
937 force them to happen even if there is an overflow exception.
938 (frvbf_force_update): New function.
939 * frv-sim.h (frvbf_force_update): New function.
940 (struct frv_interrupt_state): Add imprecise_interrupt.
941 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
942 * sem.c: Regenerate.
943
9442000-03-23 Dave Brolley <brolley@redhat.com>
945
946 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
947 * registers.c (frv_spr): MCIRL -> MCILR.
948 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
949 New function.
950 (frv_detect_insn_access_interrupts):
951 Call frv_queue_non_implemented_instruction_interrupt.
952 (frv_process_interrupts): Clear accumulated NE flags.
953 * frv.c (frvbf_media_cop): New function.
954 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
955 the NE flag of the given target register.
956 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
957 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
958 (frvbf_model_fr500_u_float_dual_sqrt): New function.
959 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
960 (frvbf_model_fr500_u_float_dual_convert): New function.
961 * frv-sim.h (frvbf_media_cop): New function.
962 (GET_FQ): Use H_SPR_FQST0.
963 (SET_FQ): Use H_SPR_FQST0.
964 (SET_FQ_OPC): Use J_SPR_FQOP0.
965 (GET_MSR_EMCI): New macro.
966 (frv_queue_non_implemented_instruction_interrupt): New function.
967 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
968
9692000-03-08 Dave Brolley <brolley@redhat.com>
970
971 * traps.c (frv_rett): Align new_pc.
972 * memory.c (frvbf_read_mem_HI): Align address.
973 (frvbf_read_mem_UHI): Align address.
974 (frvbf_read_mem_SI): Align address.
975 (frvbf_read_mem_DI): Align address.
976 (frvbf_read_mem_DF): Align address.
977 (frvbf_read_imem_USI): Align address.
978 (frvbf_mem_set_HI): Align address.
979 (frvbf_mem_set_SI): Align address.
980 (frvbf_mem_set_DI): Align address.
981 (frvbf_mem_set_DF): Align address.
982 (frvbf_mem_set_XI): Align address.
983 * registers.c (frv_spr): Initialize FSR0.NS to 1.
984 (fr500_spr): Initialize FSR0.NS to 1.
985 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
986 whether the exception is masked.
987 * frv.c (frvbf_load_quad_GR): Align address.
988 (frvbf_store_quad_GR): Align address.
989 (frvbf_load_quad_FRint): Align address.
990 (frvbf_store_quad_FRint): Align address.
991 (frvbf_load_quad_CPR): Align address.
992 (frvbf_store_quad_CPR): Align address.
993 * frv-sim.h (GET_ISR_EMAM): New macro.
994
9952000-03-08 Dave Brolley <brolley@redhat.com>
996
997 * traps.c (frvbf_division_exception): Check for masked overflow and
998 set NE flags, if necessary.
999 (frvbf_check_recovering_store): Queue writes to the hardware.
1000 (check_registers_available): Removed.
1001 (which_registers_available): Call frv_{fr,gr}_registers_available.
1002 (frvbf_clear_ne_flags): Call check_register_access.
1003 (frvbf_commit): Call check_register_access.
1004 * registers.h (frv_fr_registers_available): New function.
1005 (frv_gr_registers_available): New function.
1006 (frv_check_register_access): New function.
1007 (frv_check_gr_access): New function.
1008 (frv_check_fr_access): New function.
1009 * registers.c (frv_spr): Correct initial value of ISR.
1010 (fr500_spr): Correct initial value of ISR.
1011 (frv_fr_registers_available): New function.
1012 (frv_gr_registers_available): New function.
1013 (frv_check_register_access): New function.
1014 (frv_check_gr_access): New function.
1015 (frv_check_fr_access): New function.
1016 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1017 (set_isr_exception_fields): New function.
1018 (set_exception_status_registers): Set ISR fields for division exception.
1019 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1020 * frv.c (frvbf_h_gr_get_handler): New function.
1021 (frvbf_h_gr_set_handler): New function.
1022 (frvbf_h_fr_get_handler): New function.
1023 (frvbf_h_fr_set_handler): New function.
1024 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1025 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1026 (spr_isr_get_handler): Removed.
1027 (spr_isr_set_handler): Removed.
1028 (frvbf_signed_integer_divide): New funciton.
1029 (frvbf_unsigned_integer_divide): New funciton.
1030 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1031 (frvbf_h_gr_set_handler): New function.
1032 (frvbf_h_fr_get_handler): New function.
1033 (frvbf_h_fr_set_handler): New function.
1034 (frvbf_signed_integer_divide): New funciton.
1035 (frvbf_unsigned_integer_divide): New funciton.
1036 (frv_dtt): New enumeration.
1037 (struct frv_interrupt_queue_element): Add dtt member.
1038 (GET_ISR): New macro.
1039 (SET_ISR): New macro.
1040 (GET_ISR_EDEM): New macro.
1041 (SET_ISR_DTT): New macro.
1042 (SET_ISR_AEXC): New macro.
1043 (frvbf_division_exception): Add 2 'int' arguments.
1044 (frvbf_check_non_excepting_divide): Removed.
1045 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1046
10472000-02-29 Dave Brolley <brolley@redhat.com>
1048
1049 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1050 (frv_rett): Use hardware access macros. Write PSR as a whole.
1051 (next_available_nesr): Check that NECR is valid.
1052 (next_valid_nesr): Check that NECR is valid.
1053 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1054 call hardware access functions. Use cover macros.
1055 (check_registers_available): New function.
1056 (clear_nesr_near): Check register availability.
1057 (clear_ne_flags): Check register availability.
1058 (frvbf_clear_ne_flags): Check register availability.
1059 (frvbf_commit): Check register availability.
1060 (which_registers_available): New function.
1061 * sim-main.h (registers.h): #include it.
1062 (register_control): New cpu field.
1063 (CPU_REGISTER_CONTROL): New macro.
1064 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1065 (frv_power_on_reset): Initialize SPR registers and RSTR.
1066 (frv_hardware_reset): Initialize SPR registers and RSTR.
1067 (frv_software_reset): Reset SPR registers and RSTR.
1068 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1069 Call frv_cache_init.
1070 * mloop.in (main loop): Check for insn access interrupts before
1071 executing the insn.
1072 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1073 (frv_detect_insn_access_interrupts): Don't call hardware access
1074 functions directly. Use cover macros.
1075 (check_reset): Don't reset RSTR here.
1076 (next_available_esr): ESFR -> ESFR_FLAG.
1077 (next_available_edr): ESFR -> ESFR_FLAG.
1078 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1079 ESFR -> ESFR_FLAG.
1080 (frv_break_interrupt): Don't call hardware access functions directly.
1081 Use cover macros.
1082 (frv_program_or_software_interrupt): Ditto.
1083 (frv_external_interrupt): Ditto.
1084 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1085 (frvbf_store_register): Don't call 'set' functions directly.
1086 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1087 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1088 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1089 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1090 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1091 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1092 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1093 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1094 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1095 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1096 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1097 Support shadow registers.
1098 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1099 Support shadow registers.
1100 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1101 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1102 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1103 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1104 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1105 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1106 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1107 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1108 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1109 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1110 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1111 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1112 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1113 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1114 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1115 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1116 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1117 version 1.3a.
1118 (spr_ccr_get_handler): Don't reference the hardware directly.
1119 (spr_ccr_set_handler): Don't reference the hardware directly.
1120 (spr_cccr_get_handler): Don't reference the hardware directly.
1121 (spr_cccr_set_handler): Don't reference the hardware directly.
1122 (spr_sr_get_handler): New function.
1123 (spr_sr_set_handler): New function.
1124 (frvbf_switch_supervisor_user_context): Temporarily switch to
1125 supervisor mode.
1126 (frvbf_store_quad_GR): Don't call handler directly.
1127 (frvbf_store_quad_FRint): Don't call handler directly.
1128 (frvbf_store_quad_CPR): Don't call handler directly.
1129 (frvbf_clear_all_accumulators): Removed.
1130 (frvbf_clear_accumulators): New function.
1131 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1132 Account for in_ACCGi and out_ACCGk.
1133 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1134 (RSTR_SOFTWARE_RESET): New macro.
1135 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1136 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1137 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1138 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1139 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1140 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1141 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1142 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1143 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1144 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1145 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1146 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1147 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1148 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1149 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1150 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1151 (frvbf_clear_all_accumulators): Removed.
1152 (frvbf_clear_accumulators): New function.
1153 (GET_HSR0): Use GET_H_SPR.
1154 (SET_HSR0): Use SET_H_SPR.
1155 (CLEAR_HSR0_ICE): New macro.
1156 (CLEAR_HSR0_DCE): New macro.
1157 (GET_IHSR8): Use GET_H_SPR.
1158 (GET_PSR): New macro.
1159 (SET_PSR_ET): New macro.
1160 (GET_PSR_PS): New macro.
1161 (SET_PSR_S): New macro.
1162 (GET_ESFR): Changed to reference entire register.
1163 (SET_ESFR): Changed to reference entire register.
1164 (GET_ESFR_FLAG): New macro.
1165 (SET_ESFR_FLAG): New macro.
1166 (NECR_ELOS): Removed.
1167 (NECR_NEN): Removed.
1168 (NECR_VALID): Removed.
1169 (GET_NECR): New macro.
1170 (GET_NECR_ELOS): New macro.
1171 (GET_NECR_NEN): New macro.
1172 (GET_NECR_VALID): New macro.
1173 (NESR_RANGE): Removed.
1174 (GET_NESR): Use GET_H_SPR.
1175 (GET_NE_FLAGS): Use GET_H_SPR.
1176 * cache.h (CACHE_INITIALIZED): New macro.
1177 * Makefile.in (SIM_OBJS): Add registers.o.
1178 (SIM_EXTRA_DEPS): Add registers.h.
1179 (registers.o): New target.
1180 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1181
11822000-02-17 Dave Brolley <brolley@redhat.com>
1183
1184 * interrupts.c (frv_interrupt_table): Update priority order and handler
1185 offsets to conform to the architecture version 1.3a.
1186 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1187 to the architecture version 1.3a.
1188
11892000-02-17 Dave Brolley <brolley@redhat.com>
1190
1191 * interrupts.c (frv_interrupt_table): Update priority order and handler
1192 offsets to conform to the latest specifications.
1193 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1194 queued. New variable 'iclass' used to test for external interrupts.
1195 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1196 to the latest specifications.
1197
11982000-01-20 Dave Brolley <brolley@redhat.com>
1199
1200 * sim-if.c (sim_open): Move frv-specific initialization to
1201 frv_initialize in reset.c.
1202 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1203 status bits for hardware vs software reset.
1204 * reset.c: New file.
1205 * frv-sim.h (frv_initialize): New function.
1206 (frv_power_on_reset): New function.
1207 (frv_hardware_reset): New function.
1208 (frv_software_reset): New function.
1209 (RSTR_ADDRESS): New macro.
1210 (RSTR_INITIAL_VALUE): New macro.
1211 (GET_RSTR_HR): New macro.
1212 (GET_RSTR_SR): New macro.
1213 (SET_RSTR_H): New macro.
1214 (SET_RSTR_S): New macro.
1215 (CLEAR_RSTR_P): New macro.
1216 (CLEAR_RSTR_H): New macro.
1217 (CLEAR_RSTR_S): New macro.
1218 (CLEAR_RSTR_HR): New macro.
1219 (CLEAR_RSTR_SR): New macro.
1220
12212000-01-03 Dave Brolley <brolley@cygnus.com>
1222
1223 * mloop.in (execute): Only call modeling function if the pointer is not
1224 NULL.
1225 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1226 fr500.
1227
12282000-01-03 Dave Brolley <brolley@cygnus.com>
1229
1230 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1231 (frv_options): Add --memory-latency.
1232 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1233 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1234 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1235 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1236 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1237 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1238 (update_latencies): Only clear usage flags if the register has no
1239 target latency.
1240 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1241 not |= (or assgnment).
1242 (frvbf_model_insn_after): Print post processing wait for all insns.
1243 Update prev_acc_p1 and prev_acc_p2.
1244 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1245 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1246 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1247 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1248 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1249 (frvbf_model_fr500_u_media_quad_arith): New function.
1250 (frvbf_model_fr500_u_media_dual_mul): New function.
1251 (frvbf_model_fr500_u_media_quad_mul): New function.
1252 (frvbf_model_fr500_u_media_quad_complex): New function.
1253 (frvbf_model_fr500_u_media_dual_expand): New function.
1254 (frvbf_model_fr500_u_media_dual_unpack): New function.
1255 (frvbf_model_fr500_u_media_dual_btoh): New function.
1256 (frvbf_model_fr500_u_media_dual_htob): New function.
1257 (frvbf_model_fr500_u_media_dual_btohe): New function.
1258 (frv_ref_SI): New function.
1259 * cache.h (FRV_CACHE): Add memory_latency field.
1260 * cache.c (frv_cache_init): Initialize memory_latency.
1261 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1262
12631999-12-17 Dave Brolley <brolley@cygnus.com>
1264
1265 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1266 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1267 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1268 (OPTIONS_FRV_TIMER): New enumeration.
1269 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1270 (frv_option_handler): Override common implementation of -p. Handle
1271 --profile-cache, --profile-parallel, --timer.
1272 * mloop.in (execute): Call profiling functions if the timer interrupt
1273 is enabled.
1274 (@cpu@_simulate_insn_prefetch): New function.
1275 (main loop): Call @cpu@_simulate_insn_prefetch.
1276 * interrupts.c (frv_queue_interrupt): Don't queue two external
1277 interrupts of the same priority.
1278 (frv_queue_external_interrupt): New function.
1279 (frv_external_interrupt): New function.
1280 (handle_interrupt): Handle external interrupts.
1281 (check_reset): New function.
1282 (frv_process_interrupts): Call check_reset.
1283 * frv.c: Include "bfd.h"
1284 (frvbf_h_psr_get_handler): Set the PIL field.
1285 (frvbf_h_psr_set_handler): Get the PIL field.
1286 (DUAL_REG): New macro.
1287 (DUAL_DOUBLE): New macro.
1288 (SET_USE_IS_FPOP): New macro.
1289 (SET_USE_NOT_FPOP): New macro.
1290 (USE_IS_FPOP): New macro.
1291 (SET_USE_IS_MEDIA): New macro.
1292 (SET_USE_NOT_MEDIA): New macro.
1293 (USE_IS_MEDIA_P1): New macro.
1294 (SET_USE_IS_MEDIA_P1): New macro.
1295 (SET_USE_NOT_MEDIA_P1): New macro.
1296 (SET_USE_IS_MEDIA_P2): New macro.
1297 (SET_USE_NOT_MEDIA_P2): New macro.
1298 (USE_IS_MEDIA_P2): New macro.
1299 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1300 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1301 (ACC_USE_IS_MEDIA_P1): New macro.
1302 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1303 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1304 (ACC_USE_IS_MEDIA_P2): New macro.
1305 (RESOURCE_IDIV): New macro.
1306 (RESOURCE_FDIV): New macro.
1307 (RESOURCE_SQRT): New macro.
1308 (fr_busy_adjust): New array.
1309 (acc_busy_adjust): New array.
1310 (apply_latency_adjustments): New function.
1311 (update_latencies): New function.
1312 (handle_wait_cycles): New function.
1313 (handle_resource_wait): New function.
1314 (update_target_latencies): New function.
1315 (frvbf_model_insn_before): Add resource latency to cycle counts.
1316 (frvbf_model_insn_after): Add resource latency to cycle counts.
1317 (update_GR_latency): New function.
1318 (update_GRdouble_latency): New function.
1319 (update_FR_latency): New function.
1320 (update_FRdouble_latency): New function.
1321 (decrease_ACC_busy): New function.
1322 (decrease_FR_busy): New function.
1323 (increase_FR_busy): New function.
1324 (update_ACC_latency): New function.
1325 (update_CCR_latency): New function.
1326 (update_idiv_resource_latency): New function.
1327 (update_fdiv_resource_latency): New function.
1328 (update_fsqrt_resource_latency): New function.
1329 (vliw_wait_for_GR): New function.
1330 (vliw_wait_for_GRdouble): New function.
1331 (vliw_wait_for_FR): New function.
1332 (vliw_wait_for_FRdouble): New function.
1333 (vliw_wait_for_CCR): New function.
1334 (vliw_wait_for_ACC): New function.
1335 (vliw_wait_for_idiv_resource): New function.
1336 (vliw_wait_for_fdiv_resource): New function.
1337 (vliw_wait_for_fsqrt_resource): New function.
1338 (enforce_full_fr_latency): New function.
1339 (frvbf_model_fr500_u_exec): New function.
1340 (frvbf_model_fr500_u_integer): New function.
1341 (frvbf_model_fr500_u_imul): New function.
1342 (frvbf_model_fr500_u_idiv): New function.
1343 (frvbf_model_fr500_u_branch): New function.
1344 (frvbf_model_fr500_u_set_hilo): New function.
1345 (frvbf_model_fr500_u_gr_load_store): New function.
1346 (frvbf_model_fr500_u_fr_load_store): New function.
1347 (frvbf_model_fr500_u_swap): New function.
1348 (frvbf_model_fr500_u_fr2fr): New function.
1349 (frvbf_model_fr500_u_fr2gr): New function.
1350 (frvbf_model_fr500_u_spr2gr): New function.
1351 (frvbf_model_fr500_u_gr2fr): New function.
1352 (frvbf_model_fr500_u_gr2spr): New function.
1353 (post_wait_for_FR): New function.
1354 (post_wait_for_FRdouble): New function.
1355 (post_wait_for_ACC): New function.
1356 (post_wait_for_CCR): New function.
1357 (post_wait_for_fdiv): New function.
1358 (post_wait_for_fsqrt): New function.
1359 (adjust_float_register_busy): New function.
1360 (adjust_double_register_busy): New function.
1361 (restore_float_register_busy): New function.
1362 (restore_double_register_busy): New function.
1363 (frvbf_model_fr500_u_float_arith): New function.
1364 (frvbf_model_fr500_u_float_dual_arith): New function.
1365 (frvbf_model_fr500_u_float_div): New function.
1366 (frvbf_model_fr500_u_float_sqrt): New function.
1367 (frvbf_model_fr500_u_float_compare): New function.
1368 (frvbf_model_fr500_u_float_dual_compare): New function.
1369 (frvbf_model_fr500_u_float_convert): New function.
1370 (frvbf_model_fr500_u_media): New function.
1371 (frvbf_model_fr500_u_barrier): New function.
1372 (frvbf_model_fr500_u_membar): New function.
1373 * frv-sim.h (LEUINT): New macro.
1374 (GET_HSR0_SA): New macro.
1375 (struct frv_interrupt_timer): New struct.
1376 (struct frv_interrupt_state): Add timer fiield.
1377 (frv_queue_external_interrupt): New function.
1378 (frv_external_interrupt): New function.
1379 (frv_profile_info): New function.
1380 (PROFILE_CACHE_IDX): New enumerator.
1381 (PROFILE_PARALLEL_IDX): New enumerator.
1382 (PROFILE_cache): New macro.
1383 (PROFILE_parallel): New macro.
1384 (WITH_PROFILE_CACHE_P): New macro.
1385 (WITH_PROFILE_PARALLEL_P): New macro.
1386 * cache.h (FRV_CACHE): Add last_was_hit field.
1387 * cache.c (get_tag): Use new last_was_hit field.
1388 (frv_cache_read): Ditto.
1389 (frv_cache_write): Ditto.
1390 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1391
13921999-12-13 Dave Brolley <brolley@cygnus.com>
1393
1394 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1395 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1396 sim_queue_fn_di_write.
1397 (frvbf_media_cut_ss): New function.
1398 * frv-sim.h (frvbf_media_cut_ss): New function.
1399 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1400
14011999-12-13 Dave Brolley <brolley@cygnus.com>
1402
1403 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1404 no constraints.
1405 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1406 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1407 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1408 FRV_IS_MEDIA_INSN.
1409 * frv.c (frvbf_model_simple_u_exec): New function.
1410 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1411 (FRV_IS_MEDIA_INSN): Range includes M-8.
1412
1413 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1414 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1415 Regenerate.
1416
14171999-12-10 Dave Brolley <brolley@cygnus.com>
1418
1419 * traps.c (check_registers_available): New function.
1420 (clear_ne_flags): Generate register_exception if register(s) not
1421 available.
1422 (frvbf_commit): Generate register_exception if register(s) not
1423 available.
1424 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1425 GR4-GR7 to SR0-SR4.
1426 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1427 PSR.ESR.
1428 (frvbf_h_psr_s_set_handler): New function.
1429 (frvbf_h_psr_esr_set_handler): New function.
1430 (frvbf_switch_supervisor_user_context): New function.
1431 (frvbf_scan_result): Reflect latest ISA.
1432 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1433 (frvbf_h_psr_esr_set_handler): New function.
1434 (frvbf_switch_supervisor_user_context): New function.
1435 (GET_HSR0_FRN): New Macro.
1436 (GET_HSR0_GRN): New Macro.
1437 (GET_HSR0_FRHE): New Macro.
1438 (GET_HSR0_FRLE): New Macro.
1439 (GET_HSR0_GRHE): New Macro.
1440 (GET_HSR0_GRLE): New Macro.
1441 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1442 (GET_ESFR): New bit ordering.
1443 (SET_ESFR): New bit ordering.
1444 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1445
14461999-12-10 Michael Meissner <meissner@cygnus.com>
1447
1448 * Makefile.in (sim-if.o): Add eng.h dependency.
1449
14501999-12-09 Dave Brolley <brolley@cygnus.com>
1451
1452 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1453 Pass sc->last_insn_p to @cpu@_model_insn_before.
1454 (main loop): Compute sc->first_insn_p.
1455 * frv.c (frvbf_model_insn_before): Set state variables.
1456 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1457 (frvbf_model_fr500_u_integer): Remove.
1458 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1459
14601999-12-07 Dave Brolley <brolley@cygnus.com>
1461
1462 * sim-main.h (cache.h): Include it.
1463 (insn_cache): New member.
1464 (data_cache): New member.
1465 (CPU_INSN_CACHE): New macro.
1466 (CPU_DATA_CACHE): New macro.
1467 * sim-if.c (WANT_CPU): New macro.
1468 (WANT_CPU_FRVBF): New macro.
1469 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1470 data and insn caches for each cpu.
1471 (sim_close): Call frv_cache_term for the insn and data caches of each
1472 cpu.
1473 * mloop.in (extract): Read insn from the cache.
1474 (main loop): Access the insn cache in order to maintain stats.
1475 * memory.c (data_non_cache_access): New function.
1476 (insn_non_cache_access): New function.
1477 (frvbf_read_mem_QI): Attempt to read from the cache first.
1478 (frvbf_read_mem_UQI): Ditto.
1479 (frvbf_read_mem_HI): Ditto.
1480 (frvbf_read_mem_UHI): Ditto.
1481 (frvbf_read_mem_SI): Ditto.
1482 (frvbf_read_mem_DI): Ditto.
1483 (frvbf_read_mem_DF): Ditto.
1484 (frvbf_read_imem_USI): New function.
1485 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1486 (frvbf_write_mem_UQI): Ditto.
1487 (frvbf_write_mem_HI): Ditto.
1488 (frvbf_write_mem_UHI): Ditto.
1489 (frvbf_write_mem_SI): Ditto.
1490 (frvbf_write_mem_DI): Ditto.
1491 (frvbf_write_mem_DF): Ditto.
1492 (frvbf_mem_set_QI): New function.
1493 (frvbf_mem_set_HI): New function.
1494 (frvbf_mem_set_SI): New function.
1495 (frvbf_mem_set_DI): New function.
1496 (frvbf_mem_set_DF): New function.
1497 (frvbf_mem_set_XI): New function.
1498 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1499 CGEN_FN_MEM_QI_WRITE,
1500 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1501 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1502 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1503 Call sim_queue_fn_mem_xi_write.
1504 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1505 Call sim_queue_fn_mem_xi_write.
1506 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1507 Call sim_queue_fn_mem_xi_write.
1508 (frvbf_insn_cache_preload): New function.
1509 (frvbf_data_cache_preload): New function.
1510 (frvbf_insn_cache_unlock): New function.
1511 (frvbf_data_cache_unlock): New function.
1512 (frvbf_insn_cache_invalidate): New function.
1513 (frvbf_data_cache_invalidate): New function.
1514 (frvbf_data_cache_flush): New function.
1515 * frv-sim.h (sim-options.h): Include it.
1516 (GET_HSR0): New macro.
1517 (SET_HSR0): New macro.
1518 (GET_HSR0_ICE): New macro.
1519 (SET_HSR0_ICE): New macro.
1520 (GET_HSR0_DCE): New macro.
1521 (SET_HSR0_DCE): New macro.
1522 (GET_HSR0_CBM): New macro.
1523 (GET_HSR0_RME): New macro.
1524 (GET_IHSR8): New macro.
1525 (GET_IHSR8_NBC): New macro.
1526 (frvbf_insn_cache_preload): New function.
1527 (frvbf_data_cache_preload): New function.
1528 (frvbf_insn_cache_unlock): New function.
1529 (frvbf_data_cache_unlock): New function.
1530 (frvbf_insn_cache_invalidate): New function.
1531 (frvbf_data_cache_invalidate): New function.
1532 (frvbf_data_cache_flush): New function.
1533 (insn_non_cache_access): New function.
1534 (frvbf_read_imem_USI): New function.
1535 (frvbf_mem_set_QI): New function.
1536 (frvbf_mem_set_HI): New function.
1537 (frvbf_mem_set_SI): New function.
1538 (frvbf_mem_set_DI): New function.
1539 (frvbf_mem_set_DF): New function.
1540 (frvbf_mem_set_XI): New function.
1541 (frv_options): FRV specific command line options.
1542 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1543 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1544 (cache.o): New target.
1545 (options.o): New target.
1546 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1547 * cache.h: New file.
1548 * cache.c: New file.
1549 * options.c: New file.
1550
15511999-11-29 Dave Brolley <brolley@cygnus.com>
1552
1553 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1554 (frvbf_check_non_excepting_divide): Ditto.
1555 (clear_ne_flags): Ditto
1556 (frvbf_commit): Ditto.
1557 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1558 * mloop.in (_parallel_write_init): Clear NE flags here.
1559 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1560 for non excepting insns. Also check for masked interrupts here.
1561 (frv_process_interrupts): Write NE flags here.
1562 (set_fp_exception_registers): No longer check for masked interrupts
1563 here.
1564 (check_for_compound_interrupt): No need to worry about masked
1565 interrupts.
1566 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1567 (GET_NE_FLAGS): New macro.
1568 (SET_NE_FLAGS): New macro.
1569 (GET_NE_FLAG): Operate on accumulated argument.
1570 (SET_NE_FLAG): Operate on accumulated argument.
1571 (CLEAR_NE_FLAG): Operate on accumulated argument.
1572 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1573 (frv.o): Correct dependencies.
1574 (traps.o): Ditto.
1575 (pipeline.o): Ditto.
1576 (interrupts.o): Ditto.
1577 (memory.o): Ditto.
1578 * sem.c: Regenerate.
1579
15801999-11-26 Dave Brolley <brolley@cygnus.com>
1581
1582 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1583 there is an exception indicated in the mask.
1584 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1585 state when adding a floating point insn to the pipeline.
1586 * interrupts.c (set_fp_exception_registers): Set NE flag for
1587 non-excepting insns.
1588 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1589 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1590 (frvbf_h_fr_int_get_handler): New function.
1591 (frvbf_h_fr_int_set_handler): New function.
1592 (frvbf_set_ne_index): New function.
1593 (NE_NOFLAG): New macro.
1594 (frv_interrupt_state): Add ne_index member.
1595 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1596 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1597 (frvbf_h_fr_int_get_handler): New function.
1598 (frvbf_h_fr_int_set_handler): New function.
1599 (frvbf_set_ne_index): New function.
1600 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1601
16021999-11-24 Dave Brolley <brolley@cygnus.com>
1603
1604 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1605
16061999-11-23 Dave Brolley <brolley@cygnus.com>
1607
1608 * frv-sim.h (frvbf_media_cut): New function.
1609 * frv.c (frvbf_media_cut): New function.
1610 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1611
16121999-11-22 Dave Brolley <brolley@cygnus.com>
1613
1614 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1615 * frv.c.h (frvbf_clear_all_accumulators): New function.
1616 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1617
16181999-11-18 Dave Brolley <brolley@cygnus.com>
1619
1620 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1621 if this is the first insn of its class in the pipeline.
1622 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1623 * traps.c (frvbf_media_register_not_aligned): New function.
1624 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1625
16261999-11-17 Dave Brolley <brolley@cygnus.com>
1627
1628 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1629 * frv-sim.h (OR_MSR_SIE): New macro.
1630 (CLEAR_MSR_SIE): New macro.
1631 (frvbf_media_overflow): Now takes sie argument.
1632 (frv_set_mp_exception_registers): Now takes sie argument.
1633 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1634 Set MSRx.SIE field.
1635 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1636
16371999-11-15 Dave Brolley <brolley@cygnus.com>
1638
1639 * traps.c (frv_mtrap): New function.
1640 (frvbf_media_cr_not_aligned): New function.
1641 (frvbf_media_acc_not_aligned): New function.
1642 (frvbf_media_overflow): New function.
1643 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1644 * interrupts.c: Call frv_set_mp_exception_registers.
1645 (frv_set_mp_exception_registers): New function.
1646 * frv-sim.h (frv_msr_mtt): New enumeration.
1647 (GET_MSR): New macro.
1648 (SET_MSR): New macro.
1649 (GET_MSR_AOVF): New macro.
1650 (SET_MSR_AOVF): New macro.
1651 (GET_MSR_OVF): New macro.
1652 (SET_MSR_OVF): New macro.
1653 (CLEAR_MSR_OVF): New macro.
1654 (GET_MSR_MTT): New macro.
1655 (SET_MSR_MTT): New macro.
1656 (frv_set_mp_exception_registers): New function.
1657 (frv_mtrap): New function.
1658 (FRV_IS_MEDIA_INSN): New macro.
1659 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1660
16611999-11-10 Dave Brolley <brolley@cygnus.com>
1662
1663 * sim-main.h (_sim_cpu): Add debug_state member.
1664 * mloop.in (_parallel_write_queued): Clear data_written.length.
1665 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1666 handler is 0xff.
1667 (frv_queue_break_interrupt): New function.
1668 (frv_break_interrupt): New function.
1669 (handle_interrupt): Handle break_interrupt.
1670 (frv_non_operating_interrupt): Now takes interrupt_kind.
1671 * frv-sim.h (frv_queue_break_interrupt): New function.
1672 (frv_break_interrupt): New function.
1673 (frv_break): New function.
1674 (frv_non_operating_interrupt): Now takes interrupt_kind.
1675 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1676
16771999-11-09 Dave Brolley <brolley@cygnus.com>
1678
1679 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1680 a floating point insn.
1681 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1682 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1683 frv_queue_fp_exception_interrupt.
1684 (frv_queue_fp_exception_interrupt): New function.
1685 (next_available_fq): New function.
1686 (set_fp_exception_registers): New function.
1687 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1688 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1689 (frv_program_interrupt): Don't process interrupt if it is masked.
1690 * frv.c (frvbf_h_fr_double_get_handler): Call
1691 frv_queue_fp_exception_interrupt.
1692 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1693 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1694 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1695 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1696 (frv_fp_exception_info): New struct type.
1697 (frv_interrupt_queue_element): Add fp_info member.
1698 (frv_fsr_traps): New enumeration.
1699 (frv_fsr_ftt): New enumeration.
1700 (frv_sie): New enumeration.
1701 (frv_miv): New enumeration.
1702 (GET_FSR): New macro.
1703 (SET_FSR): New macro.
1704 (GET_FSR_TEM): New macro.
1705 (SET_FSR_QNE): New macro.
1706 (SET_FSR_FTT): New macro.
1707 (GET_FSR_AEXC): New macro.
1708 (SET_FSR_AEXC): New macro.
1709 (GET_FQ): New macro.
1710 (SET_FQ): New macro.
1711 (SET_FQ_OPC): New macro.
1712 (SET_FQ_MIV): New macro.
1713 (SET_FQ_SIE): New macro.
1714 (SET_FQ_FTT): New macro.
1715 (SET_FQ_CEXC): New macro.
1716 (GET_FQ_VALID): New macro.
1717 (SET_FQ_VALID): New macro.
1718 (frv_queue_fp_exception_interrupt): New function.
1719 (FRV_IS_FLOAT_INSN): New macro.
1720
17211999-11-04 Dave Brolley <brolley@cygnus.com>
1722
1723 * traps.c (frvbf_fpu_error): No floating point errors need to be
1724 detected.
1725 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1726 of the ESR registers too.
1727 (set_exception_status_registers): Don't set EAR for any precise
1728 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1729 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1730 (non_operating_interrupt): No need for return code.
1731 (frv_program_or_software_interrupt): Process interrupt regardless
1732 of operating mode. If PSR.ET was not set at the start of processing,
1733 then stop the simulation with a message.
1734 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1735 CGEN_MEM_XI_WRITE.
1736 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1737 (frvbf_h_fr_quad_set_handler): New function.
1738 (frvbf_h_cpr_quad_set_handler): New function.
1739 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1740 sim_queue_fn_xi_write.
1741 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1742 sim_queue_fn_xi_write.
1743 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1744 sim_queue_fn_xi_write.
1745 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1746 sim_queue_mem_xi_write.
1747 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1748 sim_queue_mem_xi_write.
1749 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1750 sim_queue_mem_xi_write.
1751 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1752 (frvbf_h_fr_quad_set_handler): New function.
1753 (frvbf_h_cpr_quad_set_handler): New function.
1754 (SET_ESR_VALID): New macro.
1755 (CLEAR_ESR_VALID): New macro.
1756 (CLEAR_ESR_EAV): New macro.
1757 (CLEAR_ESR_EDV): New macro.
1758 * sem.c: Regenerate.
1759
17601999-11-02 Dave Brolley <brolley@cygnus.com>
1761
1762 * traps.c (frv_core_signal): Call
1763 frv_queue_mem_address_not_aligned_interrupt.
1764 * mloop.in (_parallel_write_queued): Call
1765 frv_save_data_written_for_interrupts.
1766 * frv.c (frvbf_h_gr_double_get_handler): Call
1767 frv_queue_register_exception_interrupt.
1768 (frvbf_h_cpr_double_get_handler): Call
1769 frv_queue_register_exception_interrupt.
1770 (frvbf_h_cpr_double_set_handler): Call
1771 frv_queue_register_exception_interrupt.
1772 (frvbf_load_multiple_GR): Call
1773 frv_queue_register_exception_interrupt.
1774 (frvbf_store_multiple_GR): Call
1775 frv_queue_register_exception_interrupt.
1776 (frvbf_load_multiple_CPR): Call
1777 frv_queue_register_exception_interrupt.
1778 (frvbf_store_multiple_CPR): Call
1779 frv_queue_register_exception_interrupt.
1780 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1781 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1782 queue element.
1783 (frv_queue_program_interrupt): Now returns interrupt queue element.
1784 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1785 element.
1786 (frv_queue_interrupt): Now returns interrupt queue element.
1787 (frv_queue_register_exception_interrupt): New function.
1788 (frv_queue_mem_address_not_aligned_interrupt): New function.
1789 (frv_save_data_written_for_interrupts): New function.
1790 (next_available_edr): EDR registers available in blocks of 4.
1791 (clear_exception_status_registers): New function.
1792 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1793
1794 * frv-sim.h (struct frv_data_written): New struct type.
1795 (frv_interrupt_queue_element): Add data_written member.
1796 (frv_queue_software_interrupt): Now returns interrupt queue element.
1797 (frv_queue_program_interrupt): Now returns interrupt queue element.
1798 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1799 element.
1800 (frv_queue_interrupt): Now returns interrupt queue element.
1801 (frv_queue_register_exception_interrupt): New function.
1802 (frv_queue_mem_address_not_aligned_interrupt): New function.
1803 (frv_save_data_written_for_interrupts): New function.
1804
18051999-10-27 Dave Brolley <brolley@cygnus.com>
1806
1807 * interrupts.c (ITABLE_ENTRY): New macro.
1808 (frv_interrupt_table): Add exception codes.
1809 (next_available_esr): New function.
1810 (next_available_edr): New function.
1811 (set_edr_register): New function.
1812 (set_exception_status_registers): New function.
1813 (check_for_compound_interrupt): Record information on all interrupts
1814 found.
1815 (frv_program_interrupt): Always call check_for_compound_interrupt.
1816 * frv.c (frvbf_h_pc_set_handler): Removed.
1817 (frvbf_h_spr_get_handler): Handle LR register.
1818 (frvbf_h_spr_set_handler): Handle LR register.
1819 (frvbf_h_lr_get_handler): New function.
1820 (frvbf_h_lr_set_handler): New function.
1821 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1822 (frvbf_h_lr_set_handler): New function.
1823 (frv_ec): New enumeration.
1824 (frv_interrupt): Add frv_ec field.
1825 (frv_rec): New enumeration.
1826 (frv_daec): New enumeration.
1827 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1828 (SET_ESR_EC): New macro.
1829 (SET_ESR_REC): New macro.
1830 (SET_ESR_IAEC): New macro.
1831 (SET_ESR_DAEC): New macro.
1832 (SET_ESR_EAV): New macro.
1833 (GET_ESR_EDV): New macro.
1834 (SET_ESR_EDV): New macro.
1835 (GET_ESR_EDN): New macro.
1836 (SET_ESR_EDN): New macro.
1837 (GET_ESR): New macro.
1838 (SET_ESR): New macro.
1839 (SET_EPCR): New macro.
1840 (SET_EAR): New macro.
1841 (SET_EDR): New macro.
1842 (GET_ESFR): New macro.
1843 (SET_ESFR): New macro.
1844 * cpu.c,cpu.h,sem.c: Rebuild.
1845
18461999-10-26 Dave Brolley <brolley@cygnus.com>
1847
1848 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1849 if mach is frv.
1850 (clear_nesr_neear): Only execute if mach is frv.
1851
18521999-10-22 Dave Brolley <brolley@cygnus.com>
1853
1854 * sim-main.h (sim_cpu): Add pipeline.
1855 (CPU_PIPELINE): New macro.
1856 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1857 (main loop): Maintain pc in cpu.
1858 * frv-sim.h (frv_queue_software_interrupt): New interface.
1859 (frv_queue_program_interrupt): New interface.
1860 (frv_queue_illegal_instruction_interrupt: New interface.
1861 (frv_queue_interrupt): New interface.
1862 (frv_detect_insn_access_interrupts): New interface.
1863 (frv_process_interrupts): New interface.
1864 (frv_program_interrupt): New interface.
1865 (frv_software_interrupt): New interface.
1866 (frv_program_or_software_interrupt): New interface.
1867 (FRV_PIPELINE): Moved from pipline.c.
1868 (frv_pipeline_reset): New interface.
1869 (frv_pipeline_add_insn): New interface.
1870 * interrupts.c (frv_queue_software_interrupt): New interface.
1871 (frv_queue_program_interrupt): New interface.
1872 (frv_queue_illegal_instruction_interrupt: New interface.
1873 (frv_queue_interrupt): New interface.
1874 (frv_detect_insn_access_interrupts): New interface.
1875 (frv_process_interrupts): New interface.
1876 (frv_program_interrupt): New interface.
1877 (frv_software_interrupt): New interface.
1878 (frv_program_or_software_interrupt): New interface.
1879 * frv.c: Use new interfaces.
1880 * pipeline.c: Use new interfaces.
1881 * traps.c: Use new interfaces.
1882 * memory.c: Use new interfaces.
1883 (frv_address_forbidden): No longer static.
1884
18851999-10-19 Dave Brolley <brolley@cygnus.com>
1886
1887 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1888 NESR.EC.
1889 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1890 * frv.c (frvbf_h_pc_set_handler): New function.
1891 * interrupts.c (frv_detect_data_interrupt): Removed.
1892 (address_forbidden): Removed.
1893 * frv-sim.h (frv_detect_data_interrupt): Removed.
1894 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1895 (NESR_REGISTER_NOT_ALIGNED): New macro.
1896 (NESR_UQI_SIZE): New macro.
1897 (NESR_QI_SIZE): New macro.
1898 (NESR_UHI_SIZE): New macro.
1899 (NESR_HI_SIZE): New macro.
1900 (NESR_SI_SIZE): New macro.
1901 (NESR_DI_SIZE): New macro.
1902 (NESR_XI_SIZE): New macro.
1903 (GET_NESR_DAEC): New macro.
1904 (SET_NESR_DAEC): New macro.
1905 (GET_NESR_REC): New macro.
1906 (SET_NESR_REC): New macro.
1907 (GET_NESR_EC): New macro.
1908 (SET_NESR_EC): New macro.
1909 (frvbf_read_mem_QI): New function.
1910 (frvbf_read_mem_UQI): New function.
1911 (frvbf_read_mem_HI): New function.
1912 (frvbf_read_mem_UHI): New function.
1913 (frvbf_read_mem_SI): New function.
1914 (frvbf_read_mem_WI): New function.
1915 (frvbf_read_mem_DI): New function.
1916 (frvbf_read_mem_DF): New function.
1917 (frvbf_write_mem_QI): New function.
1918 (frvbf_write_mem_UQI): New function.
1919 (frvbf_write_mem_HI): New function.
1920 (frvbf_write_mem_UHI): New function.
1921 (frvbf_write_mem_SI): New function.
1922 (frvbf_write_mem_WI): New function.
1923 (frvbf_write_mem_DI): New function.
1924 (frvbf_write_mem_DF): New function.
1925 * Makefile.in (SIM_OBJS): Add memory.o.
1926 * cpu.c,cpu.h,sem.c: Rebuild.
1927
19281999-10-18 Dave Brolley <brolley@cygnus.com>
1929
1930 * sim-if.c (sim_open): Use a real fpu error function.
1931 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
1932 * mloop.in (_parallel_write_queued): Clear queue after writing.
1933 * interrupts.c (check_for_compound_interrupt): New function.
1934 (non_operating_interrupt): New function.
1935 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
1936 (frvbf_h_gr_double_set_handler): New function.
1937 (frvbf_h_fr_double_get_handler): New function.
1938 (frvbf_h_fr_double_set_handler): New function.
1939 (frvbf_h_cpr_double_get_handler): New function.
1940 (frvbf_h_cpr_double_set_handler): New function.
1941 (frv_interrupt_queue_element): New struct type.
1942 (frv_queue_program_interrupt): Now takes pc.
1943 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1944 (frv_queue_interrupt): Now takes pc.
1945 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1946 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1947 (frvbf_division_exception): New function.
1948 (frvbf_fpu_error): New function.
1949 (frvbf_load_multiple_GR): New function.
1950 (frvbf_load_multiple_FR): New function.
1951 (frvbf_load_multiple_CPR): New function.
1952 * frv.c (frvbf_h_gr_double_get_handler): New function.
1953 (frvbf_h_gr_double_set_handler): New function.
1954 (frvbf_h_fr_double_get_handler): New function.
1955 (frvbf_h_fr_double_set_handler): New function.
1956 (frvbf_h_cpr_double_get_handler): New function.
1957 (frvbf_h_cpr_double_set_handler): New function.
1958 (frv_interrupt_queue_element): New struct type.
1959 (frv_queue_program_interrupt): Now takes pc.
1960 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1961 (frv_queue_interrupt): Now takes pc.
1962 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1963 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1964 (frvbf_fpu_error): New function.
1965 (frvbf_load_multiple_GR): New function.
1966 (frvbf_load_multiple_FR): New function.
1967 (frvbf_load_multiple_CPR): New function.
1968 * traps.c (frvbf_division_exception): New function.
1969 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1970
19711999-10-12 Dave Brolley <brolley@cygnus.com>
1972
1973 * mloop.in (new_vpc): New variable.
1974 (main loop): Call frv_detect_insn_access_interrupts. Call
1975 frv_detect_data_interrupts.
1976 * interrupts.c (access_queued_to): New function.
1977 (frv_detect_data_interrupts): New function.
1978 (frv_detect_insn_access_interrupts): New function.
1979 (frv_program_or_software_interrupt): Set PSR.S.
1980 * frv-sim.h (frv_detect_data_interrupts): New function.
1981 (frv_detect_insn_interrupts): New function.
1982
19831999-10-07 Dave Brolley <brolley@cygnus.com>
1984
1985 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
1986 (frvbf_h_gr_hi_set_handler): New function.
1987 (frvbf_h_gr_lo_get_handler): New function.
1988 (frvbf_h_gr_lo.set_handler): New function.
1989 * frv.c (frvbf_h_gr_hi_get_handler): New function.
1990 (frvbf_h_gr_hi_set_handler): New function.
1991 (frvbf_h_gr_lo_get_handler): New function.
1992 (frvbf_h_gr_lo.set_handler): New function.
1993 (frvbf_model_fr500_u_integer): New function.
1994 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
1995
19961999-10-04 Dave Brolley <brolley@cygnus.com>
1997
1998 * traps.c: Use sim_engine_abort.
1999 * pipeline.c (frv_pipeline): Add field for insn major.
2000 (add_next_to_pipe): Return address of matching pipeline.
2001 (find_major_in_pipeline): New function.
2002 (check_insn_major_constraints: New function.
2003 (frv_pipeline_add_insn): Add checks for insn major constraints.
2004 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2005 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2006
2007Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2008
2009 * pipeline.c: New file.
2010 * mloop.in (main loop): Call frv_pipeline_reset.
2011 Call frv_pipeline_add_insn.
2012 * frv-sim.h (frv_pipeline_reset): New function.
2013 (frv_pipeline_add_insn): New function.
2014 * Makefile.in (SIM_OBJS): Add pipeline.o
2015
20161999-09-29 Doug Evans <devans@casey.cygnus.com>
2017
2018 * sem.c: Rebuild.
2019 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2020 result to SEM_PC. Return vpc.
2021
2022Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2023
2024 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2025 (frv_queue_interrupt): Don't detect identical interrupts here.
2026
2027Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2028
2029 * interrupts.c: New file.
2030 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2031 (frv_software_interrupt): Moved to interrupts.c.
2032 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2033 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2034 (@cpu@_perform_writeback): New function.
2035 (main loop): Call frv_process_interrupts.
2036 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2037 (frv_itrap): New interface.
2038 (frv_interrupt_class): New enumeration.
2039 (frv_interrupt_kind): New enumeration.
2040 (struct frv_interrupt): New struct type.
2041 (frv_interrupt_table): New table of interrupt information.
2042 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2043 (struct frv_interrupt_state): New struct type.
2044 (frv_interrupt_state): New global variable.
2045 (previous_vliw_pc): New global variable.
2046 (frv_queue_software_interrupt): New function.
2047 (frv_queue_program_interrupt): New function.
2048 (frv_queue_interrupt): New function.
2049 (frv_process_interrupts): New function.
2050 (frv_program_interrupt): New function.
2051 (frv_software_interrupt): New function.
2052 (frv_program_or_software_interrupt): New function.
2053 (frv_clear_interrupt_classes): New function.
2054 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2055 * Makefile.in (SIM_OBJS): Add interrupts.o
2056 * sem.c: Rebuild.
2057
20581999-09-25 Doug Evans <devans@casey.cygnus.com>
2059
2060 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2061
2062Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2063
2064 * mloop.in (main loop): Determine last insn from scache entry.
2065 * cpu.h: Rebuild.
2066 * cpuall.h: Rebuild.
2067
2068Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2069
2070 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2071 (NECR_ELOS): Define as unshifted value.
2072 (NECR_NEN): Define as unshifted value.
2073 (NECR_VALID): Define as unshifted value.
2074 (SET_NESR): Rewite to use post-write queue.
2075 (SET_NESR_VALID): Rewite to operate on argument.
2076 (SET_NESR_EAV): Rewite to operate on argument.
2077 (SET_NESR_FR): Rewite to operate on argument.
2078 (CLEAR_NESR_FR): Rewite to operate on argument.
2079 (SET_NESR_DRN): Rewite to operate on argument.
2080 (SET_NESR_SIZE): Rewite to operate on argument.
2081 (SET_NESR_NEAN): Rewite to operate on argument.
2082 (SET_NEEAR): Rewite to use post-write queue.
2083 (SET_NE_FLAG): Rewite to use post-write queue.
2084 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2085 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2086 (frv_rett): Rewite to use post-write queue.
2087 (next_available_nesr): Rewrite to use new macro interfaces.
2088 (next_valid_nesr): Ditto.
2089 (frvbf_check_non_excepting_load): Ditto.
2090 (frvbf_check_recovering_store): Ditto.
2091 (clear_nesr_neear): Ditto.
2092 (clear_ne_flags): Ditto.
2093 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2094 when flag is set.
2095 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2096 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2097 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2098 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2099 * Makefile.in (frv.o): Depend on cgen-par.h.
2100
2101Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2102
2103 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2104 (frvbf_write_next_vliw_addr_to_LR): New flag.
2105 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2106 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2107 address of the next VLIW insn if flag is set.
2108 * cpu.h,decode.c,sem.c: Rebuild.
2109
2110Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2111
2112 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2113 * sem.c: Rebuild.
2114
21151999-09-02 Doug Evans <devans@casey.cygnus.com>
2116
2117 * configure: Regenerated to track ../common/aclocal.m4 changes.
2118
21191999-09-01 Doug Evans <devans@casey.cygnus.com>
2120
2121 * decode.c: Rebuild.
2122
2123Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2124
2125 * traps.c (frv_rett): New function.
2126 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2127 (frvbf_h_spr_set_handler): Handle bpsr.
2128 (frvbf_h_bpsr_get_handler): New function.
2129 (frvbf_h_bpsr_set_handler): New function.
2130 * frv-sim.h (frv_rett): New function.
2131 (frvbf_h_bpsr_get_handler): New function.
2132 (frvbf_h_bpsr_set_handler): New function.
2133 * mloop.in: Read actual packing bit.
2134 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2135
2136Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2137
2138 * traps.c (WANT_CPU): New macro.
2139 (WANT_CPU_FRVBF): New macro.
2140 (frvbf_check_recovering_store): Use registers for source and queue
2141 writes.
2142 * mloop.in: New main loop for parallel support.
2143 (@cpu@_parallel_write_init): New function.
2144 (@cpu@_parallel_write_queued): New function.
2145 * frv-sim.h (set_icc_for_shift_left): New interface.
2146 (set_icc_for_shift_right): New interface.
2147 (frvbf_check_recovering_store): New interface.
2148 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2149 (set_icc_for_shift_right): Pass and return icc value.
2150 (frvbf_check_recovering_store): New interface.
2151 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2152 (stamp-mloop): Add cgen parallel options.
2153 (stamp-arch): Remove with-profile option.
2154 (stamp-cpu): Add cgen parallel options.
2155 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2156
21571999-08-28 Doug Evans <devans@casey.cygnus.com>
2158
2159 * cpu.h,decode.c,sem.c: Rebuild.
2160
2161Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2162
2163 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2164
2165Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2166
2167 * configure.in: fr500 now the default model.
2168 * configure: Regenerate.
2169 * frv.c: Change frv-1 to frv-gen.
2170 (frvbf_model_fr500_u_exec): New function.
2171 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2172 * mloop.in: Fix typos in comments.
2173 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2174
21751999-08-17 Dave Brolley <brolley@cygnus.com>
2176
2177 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2178
21791999-08-09 Doug Evans <devans@casey.cygnus.com>
2180
2181 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2182
21831999-08-04 Doug Evans <devans@casey.cygnus.com>
2184
2185 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2186
2187Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2188
2189 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2190 (frvbf_store_register): Use GDB register number macros.
2191 (frvbf_cut): New function.
2192 * frv-sim.h (GR_REGNUM_MAX): New macro.
2193 (FR_REGNUM_MAX): New macro.
2194 (PC_REGNUM): New macro.
2195 (LR_REGNUM): New macro.
2196 (frvbf_cut): New function.
2197 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2198
21991999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2200
2201 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2202 add default for unhandled registers.
2203 (frvbf_store_register): Add ability to set LR register.
2204
22051999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2206
2207 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2208 (decode_gdb_dr_regnum): Remove, not used.
2209
22101999-07-13 Michael Meissner <meissner@cygnus.com>
2211
2212 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2213
2214 * configure.in (--enable-sim-trapdump): New switch to make unknown
2215 traps dump the register contents, instead of doing the trap thing.
2216 * configure: Regenerate.
2217
2218 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2219 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2220 temporarily.
2221
2222 * traps.h (toplevel): Include bfd.h, libiberity.h.
2223 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2224 dumping the registers.
2225
2226Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2227
2228 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2229
2230Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2231
2232 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2233
2234Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2235
2236 * frv.c (frvbf_square_root_SF): Removed.
2237 (frvbf_square_root_DF): Removed.
2238 (frvbf_h_fr_double_get_handler): Removed.
2239 (frvbf_h_fr_double_set_handler): Removed.
2240 (frvbf_h_fr_int_get_handler): Removed.
2241 (frvbf_h_fr_int_set_handler): Removed.
2242 * frv-sim.h (frvbf_square_root_SF): Removed.
2243 (frvbf_square_root_DF): Removed.
2244 (frvbf_h_fr_double_get_handler): Removed.
2245 (frvbf_h_fr_double_set_handler): Removed.
2246 (frvbf_h_fr_int_get_handler): Removed.
2247 (frvbf_h_fr_int_set_handler): Removed.
2248 * decode.c,decode.h,model.c,sem.c: Rebuild.
2249
22501999-07-05 Doug Evans <devans@casey.cygnus.com>
2251
2252 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2253 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2254 * sim-if.c (sim_open): Initialize fpu.
2255 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2256 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2257 with frvbf_h_fr_get.
2258
2259Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2260
2261 * frv-sim.h (NESR_RANGE): New macro.
2262 (NO_NESR): New macro.
2263 (GET_NESR_VALID): New macro.
2264 (next_ne_index): Removed.
2265 * traps.c (next_available_nesr): New function.
2266 (next_valid_nesr): New function.
2267 (frvbf_check_non_excepting_load): Use next_available_nesr.
2268 (frvbf_check_recovering_store): Use next_available_nesr and
2269 next_valid_nesr.
2270 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2271 (frvbf_check_recovering_store): Only consider one matching register.
2272 * sem.c: Rebuild.
2273
2274Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2275
2276 * frv.c (frvbf_square_root_SF): New function.
2277 (frvbf_square_root_DF): New function.
2278 (frvbf_h_fr_double_get_handler): New function.
2279 (frvbf_h_fr_double_set_handler): New function.
2280 * frv-sim.h (frvbf_square_root_SF): New function.
2281 (frvbf_square_root_DF): New function.
2282 (frvbf_h_fr_double_get_handler): New function.
2283 (frvbf_h_fr_double_set_handler): New function.
2284 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2285
22861999-06-28 Dave Brolley <brolley@cygnus.com>
2287
2288 * decode.c,decode.h,model.c,sem.c: Regenerate.
2289
2290Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2291
2292 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2293 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2294 (frvbf_h_fr_int_set_handler): New function.
2295 (frvbf_store_multiple_FRint): New function.
2296 (frvbf_square_root_SF): New function.
2297 * frv.c (frvbf_h_fr_int_get_handler): New function.
2298 (frvbf_h_fr_int_set_handler): New function.
2299 (frvbf_store_multiple_FRint): New function.
2300 (frvbf_square_root_SF): New function.
2301 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2302
23031999-06-23 Doug Evans <devans@casey.cygnus.com>
2304
2305 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2306 to genmloop.sh. Pass -scache instead.
2307 (mloop.o): Delete sem-switch.c dependency.
2308 (sem-switch.c): Delete rule.
2309 (stamp-cpu): Don't build sem-switch.c.
2310 * sem-switch.c: Delete.
2311 * mloop.in (xfull-exec-*): Fix call to execute.
2312 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2313
2314 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2315
2316Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2317
2318 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2319
2320Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2321
2322 * mloop.in (execute): Force gr0 to zero before each insn.
2323 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2324
23251999-06-18 Doug Evans <devans@casey.cygnus.com>
2326
2327 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2328
2329Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2330
2331 * frv.c (frvbf_h_gr_get_handler): New function.
2332 (frvbf_h_gr_set_handler): New function:
2333 (frvbf_store-multiple_GR): New function:
2334 (frvbf_store-multiple_FR): New function:
2335 (frvbf_store-multiple_CPR): New function:
2336 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2337 (frvbf_h_gr_set_handler): New function:
2338 (frvbf_store-multiple_GR): New function:
2339 (frvbf_store-multiple_FR): New function:
2340 (frvbf_store-multiple_CPR): New function:
2341 * traps.c (frv_itrap): Implement proper syscalls interface.
2342 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2343
2344Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2345
2346 * traps.c (frvbf_check_non_excepting_divide): New function.
2347 (frvbf_check_recovering_store): New function.
2348 (clear_nesr_neear): New function.
2349 (clear_ne_flags): New function.
2350 (frvbf_commit): New function.
2351
2352 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2353 (frvbf_check_recovering_store): New function.
2354 (clear_nesr_neear): New function.
2355 (clear_ne_flags): New function.
2356 (frvbf_commit): New function.
2357 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2358
23591999-06-16 Dave Brolley <brolley@cygnus.com>
2360
2361 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2362 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2363 * traps.c (next_ne_index): New variable.
2364 (frvbf_check_non_excepting_load): New function.
2365 * frv-sim.h (NECR_ELOS): New macro.
2366 (NECR_NEN): New macro.
2367 (NECR_VALID): New macro.
2368 (SET_NESR_VALID): New macro.
2369 (SET_NESR_EAV): New macro.
2370 (SET_NESR_FR): New macro.
2371 (CLEAR_NESR_FR): New macro.
2372 (SET_NESR_DRN): New macro.
2373 (SET_NESR_SIZE): New macro.
2374 (SET_NESR_NEAN): New macro.
2375 (SET_NEEAR): New macro.
2376 (GET_NE_FLAG): New macro.
2377 (SET_NE_FLAG): New macro.
2378 (CLEAR_NE_FLAG): New macro.
2379 (frvbf_check_non_excepting_load): New function:
2380 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2381
2382Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2383
2384 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2385
2386Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2387
2388 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2389 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2390
2391Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2392
2393 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2394
23951999-06-07 Dave Brolley <brolley@cygnus.com>
2396
2397 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2398
2399Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2400
2401 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2402
2403Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2404
2405 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2406
2407Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2408
2409 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2410
2411Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2412
2413 * traps.c (frv_software_interrupt): Pass current_cpu to
2414 frvbf_h_psr_esr_get.
2415 (frv_software_interrupt): Calculate the new PC based on TBR.
2416 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2417
24181999-05-31 Dave Brolley <brolley@cygnus.com>
2419
2420 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2421
2422Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2423
2424 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2425 (frvbf_h_cccr_set_handler): New function.
2426 (frvbf_scan_result): New function.
2427 (frvbf_cr_logic): New function.
2428 * frv.c (frvbf_h_cccr_get_handler): New function.
2429 (frvbf_h_cccr_set_handler): New function.
2430 (frvbf_scan_result): New function.
2431 (frvbf_cr_logic): New function.
2432 (cr_ops,cr_result,cr_logic): New table.
2433 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2434
24351999-05-25 Dave Brolley <brolley@cygnus.com>
2436
2437 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2438 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2439 (frv_psr_get_handler): New function.
2440 (frv_psr_set_handler): New function.
2441 (frv_tbr_get_handler): New function.
2442 (frv_tbr_set_handler): New function.
2443 (frvbf_h_ccr_get_handler): Add support for fCC.
2444 (frvbf_h_ccr_set_handler): Add support for fCC.
2445 * frv-sim.h (frv_psr_get_handler): New function.
2446 (frv_psr_set_handler): New function.
2447 (frv_tbr_get_handler): New function.
2448 (frv_tbr_set_handler): New function.
2449 * traps.c (frv_software_interrupt): Implement.
2450 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2451
2452Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2453
2454 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2455
24561999-05-18 Dave Brolley <brolley@cygnus.com>
2457
2458 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2459 (frvbf_set_icc_for_shift_right): New function.
2460 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2461 (frvbf_set_icc_for_shift_right): New function.
2462 (SETMEMSF): New Macro.
2463 (SETMEMDF): New Macro.
2464 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2465
2466Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2467
2468 * frv.c (frvbf_h_ccr_get_handler): New function.
2469 (frvbf_h_ccr_set_handler): New function.
2470 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2471
2472Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2473
2474 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2475 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2476 * frv.c: Likewise.
2477 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2478
24791999-05-10 Dave Brolley <brolley@cygnus.com>
2480
2481 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2482
2483Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2484
2485 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2486 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2487
2488Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2489
2490 * traps.c (frv_software_interrupt): New function.
2491 (frv_itrap): New function.
2492 * frv-sim.h (TRAP_SYSCALL): define as 0.
2493 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2494
2495Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2496
2497 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2498
2499Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2500
2501 * Directory created.
A mirror of the official binutils-gdb repository