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Configury changes: update src repository (binutils, gdb, and rda) to use
[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
20e95c23
DJ		 12006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2
3 * configure: Regenerated.
4
79e59fe6
DB		 52005-10-28 Dave Brolley <brolley@redhat.com>
6
7 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
8
9 Contribute the following changes:
10 2003-09-29 Dave Brolley <brolley@redhat.com>
11
12 * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
13 CGEN_ATTR_VALUE_TYPE.
14 * mloop.in: Ditto.
15 * pipeline.c: Ditto.
16 * traps.c: Ditto.
17
2b193c4a
MK		 182005-03-23 Mark Kettenis <kettenis@gnu.org>
19
20 * configure: Regenerate.
21
35695fd6
AC		 222005-01-14 Andrew Cagney <cagney@gnu.org>
23
24 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
25 explicit call to AC_CONFIG_HEADER.
26 * configure: Regenerate.
27
f0569246
AC		 282005-01-12 Andrew Cagney <cagney@gnu.org>
29
30 * configure.ac: Update to use ../common/common.m4.
31 * configure: Re-generate.
32
38f48d72
AC		 332005-01-11 Andrew Cagney <cagney@localhost.localdomain>
34
35 * configure: Regenerated to track ../common/aclocal.m4 changes.
36
b7026657
AC		 372005-01-07 Andrew Cagney <cagney@gnu.org>
38
39 * configure.ac: Rename configure.in, require autoconf 2.59.
40 * configure: Re-generate.
41
379832de
HPN		 422004-12-08 Hans-Peter Nilsson <hp@axis.com>
43
44 * configure: Regenerate for ../common/aclocal.m4 update.
45
45aa12b4
RS		 462004-08-27 Richard Sandiford <rsandifo@redhat.com>
47
48 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
49 * cpuall.h, model.c, sem.c: Regenerated.
50
676a64f4
RS		 512004-03-01 Richard Sandiford <rsandifo@redhat.com>
52
53 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
54 (profile-fr450.o): New dependency.
55 (stamp-cpu): Add fr450 to the list of machs.
56 * sim-frv.h (SPR_IS_ACC): New macro.
57 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
58 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
59 * frv.c (check_register_alignment, check_fr_register_alignment)
60 (check_memory_alignment, do_media_average): Likewise.
61 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
62 rather than a consecutive range.
63 * interrupts.c (frv_queue_illegal_instruction_interrupt)
64 (frv_queue_non_implemented_instruction_interrupt): Handle
65 bfd_mach_fr450.
66 * memory.c (check_data_read_address, check_readwrite_address)
67 (check_insn_read_address, check_write_address): Likewise.
68 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
69 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
70 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
71 * profile-fr450.c: New file.
72 * registers.c (fr450_spr): New array.
73 (frv_register_control_init): Check its size. Use it for fr450.
74 (frv_check_register_access): Handle bfd_mach_fr450.
75 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
76 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
77 (frvbf_media_acc_not_aligned): Likewise.
78 (frvbf_media_register_not_aligned): Likewise.
79 * arch.c: Regenerate.
80 * arch.h: Regenerate.
81 * cpu.h: Regenerate.
82 * cpuall.h: Regenerate.
83 * decode.h: Regenerate.
84 * model.c: Regenerate.
85
c7a48b9a
RS		 862004-03-01 Richard Sandiford <rsandifo@redhat.com>
87
88 * cache.c (frv_cache_init): Change fr400 cache statistics to match
89 the fr405.
90 (non_cache_access): Add missing breaks.
91 * interrupts.c (set_exception_status_registers): Always set EAR15
92 for data_access_errors.
93 * memory.c (fr400_check_write_address): Remove redundant alignment
94 check.
95 * model.c: Regenerate.
96
8b73069f
RS		 972004-03-01 Richard Sandiford <rsandifo@redhat.com>
98
99 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
100
8ae0baa2
RS		 1012004-03-01 Richard Sandiford <rsandifo@redhat.com>
102
103 * decode.c, decode.h, model.c, sem.c: Regenerate.
104
d74c4203
KB		 1052003-11-24 Kevin Buettner <kevinb@redhat.com>
106
107 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
108 (SPR_REGNUM_MAX): Delete.
109 * frv.c (gdb/sim-frv.h): Include.
110 (frvbf_fetch_register, frvbf_store_register): Use register number
111 constants from gdb/sim-frv.h. Check availability of general
112 purpose and float registers.
113
0b01870b
DB		 1142003-11-03 Dave Brolley <brolley@redhat.com>
115
116 * cache.c (address_interference): Check for higher priority requests
117 in the same pipeline.
118
9a29f3ca
DB		 1192003-10-31 Dave Brolley <brolley@redhat.com>
120
162cec1b 121 * frv-sim.h (LR_REGNUM): Removed.
073926e5 122 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 123 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 124 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 125 Return 0 for an unimplemented register. Return the length of the data
126 for an implemented register.
127 (frvbf_store_register): Ditto.
128
fc0a2244
AC		 1292003-10-30 Andrew Cagney <cagney@redhat.com>
130
131 * traps.c: Replace "struct symbol_cache_entry" with "struct
132 bfd_symbol".
133
29a79ca0
DB		 1342003-10-10 Dave Brolley <brolley@redhat.com>
135
136 * cpu.h, sem.c: Regenerate.
137
e930b1f5
DB		 1382003-10-06 Dave Brolley <brolley@redhat.com>
139
140 * profile-fr550.[ch]: New files.
141 * configure.in: Move frv handling to alphabetically correct placement.
142 * Makefile.in: Add fr550 support.
143 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
144 profile.[ch],registers.c,traps.c: Add fr550 support.
145 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
146 Regenerate.
147
22f367a7
DB		 1482003-09-25 Dave Brolley <brolley@redhat.com>
149
150 * reset.c (frv_initialize): Call frv_register_control_init first.
151
1c453cd6
DB		 1522003-09-24 Dave Brolley <brolley@redhat.com>
153
154 * profile.h (update_FR_ptime): New prototype.
155 (update_FRdouble_ptime): Ditto.
156 (update_SPR_ptime): Ditto.
157 (increase_ACC_busy): Ditto.
158 (enforce_full_acc_latency): Ditto.
159 (post_wait_for_SPR): Ditto.
160 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
161 (update_FRdouble_ptime): Ditto.
162 (update_SPR_ptime): New function.
163 (increase_ACC_busy): Ditto.
164 (enforce_full_acc_latency): Ditto.
165 (vliw_wait_for_fdiv_resource): Correct resource name.
166 (vliw_wait_for_fsqrt_resource): Ditto.
167 (post_wait_for_SPR): New function.
168 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
169 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
170 adjust_float_register_busy.
171 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
172 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
173 registers.
174 (frvbf_model_fr500_u_float_arith): Ditto.
175 (frvbf_model_fr500_u_float_dual_arith): Ditto.
176 (frvbf_model_fr500_u_float_div): Ditto.
177 (frvbf_model_fr500_u_float_sqrt): Ditto.
178 (frvbf_model_fr500_u_float_convert): Ditto.
179 (update_FR_ptime): Moved to profile.c
180 (update_FRdouble_ptime): Moved to profile.c
181 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
182 for other machines.
183 (update_FRdouble_ptime): Ditto.
184 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
185
153431d6
DB		 1862003-09-12 Dave Brolley <brolley@redhat.com>
187
188 * registers.c (frv_check_spr_read_access): Check for access to
189 ACC4-ACC63 and ACCG4-ACCG63.
190 * profile.h (frv-desc.h): #include it.
191 (spr_busy): New member of FRV_PROFILE_STATE.
192 (spr_latency): Ditto.
193 (GNER_FOR_GR): New macro.
194 (FNER_FOR_FR): New maccro.
195 (update_SPR_latency): New function.
196 (vliw_wait_for_SPR): New function.
93938d47 197 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 198 (update_target_latencies): Ditto.
199 (update_SPR_latency): New function.
200 (vliw_wait_for_SPR): New function.
201 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
202 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
203 (frvbf_model_fr500_u_check): Ditto.
204 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
205 (frvbf_model_fr500_u_clrfr): Ditto.
206 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
207 (frvbf_model_fr500_u_gr2spr): Ditto.
208 * frv-sim.h (H_SPR_ACC4): New macro.
209 (H_SPR_ACCG4): New macro;
210 (H_SPR_ACC0): Removed.
211 (H_SPR_ACCG0): Removed.
212 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
213
ba9c4053
DB		 2142003-09-10 Dave Brolley <brolley@redhat.com>
215
216 * profile.c (slot_names): FM1 was listed twice. Changed first
217 instance to FM0. Added IALL, FMALL and FMLOW.
218 (print_parallel): Don't examine slots with no insns.
219
f9e18f5a
DB		 2202003-09-09 Dave Brolley <brolley@redhat.com>
221
222 * frv.c (do_media_average): Select machine using a switch.
223
d89a78b6
DB		 2242003-09-08 Dave Brolley <brolley@redhat.com>
225
226 On behalf of Doug Evans <dje@sebabeach.org>
227 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
228 Remove copying of .cpu file to cgen/cpu, no longer needed.
229
d03ea14f
DB		 2302003-09-03 Dave Brolley <brolley@redhat.com>
231
232 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
233
e8d2f504
DB		 2342003-08-29 Dave Brolley <brolley@redhat.com>
235
236 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
237 temporarily when regenerating files.
238 (stamp-cpu): Ditto.
239
b34f6357
DB		 2402003-08-20 Micheal Snyder <msnyder@redhat.com>
241
242 * All generated files: Regenerate.
243
2442001-10-11 Dave Brolley <brolley@redhat.com>
245
246 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
247
2482001-10-09 Dave Brolley <brolley@redhat.com>
249
250 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
251 not set.
252 * reset.c (frv_hardware_reset): Invalidate both caches.
253 * registers.c: Update init, reset and read-only masks for all registers
254 on all machines.
255 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
256 (prev_gr_complex): New field of FRV_PROFILE_STATE
257 (set_use_is_gr_complex): New function.
258 (set_use_not_gr_complex): New function.
259 (use_is_gr_complex): New function.
260 (decrease_GR_busy): New function.
261 * profile.c (reset_gr_flags): New function.
262 (reset_cc_flags): New function.
263 (set_use_is_gr_complex): New function.
264 (set_use_not_gr_complex): New function.
265 (use_is_gr_complex): New function.
266 (update_latencies): Reset gr and cc flags when latency reaches 0.
267 (decrease_GR_busy): New function.
268 * profile-fr400.h (fr500_reset_acc_flags): Removed.
269 (fr500_reset_cc_flags): New function.
270 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
271 LSI version 1.41.
272 * profile-fr400.h (fr400_reset_gr_flags): New function.
273 (fr400_reset_fr_flags): New function.
274 (fr400_reset_acc_flags): New function.
275 * profile-fr400.c (set_use_not_media_p4): New function.
276 (set_use_not_media_p6): New function.
277 (set_acc_use_not_media_p2): New function.
278 (set_acc_use_not_media_p4): New function.
279 (fr400_reset_gr_flags): New function.
280 (fr400_reset_fr_flags): New function.
281 (fr400_reset_acc_flags): New function.
282 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
283 (frvbf_model_fr400_u_media_hilo): New function.
284 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
285 * memory.c (fr400_check_data_read_address): Check address range only
286 for double word loads. Don't check alignment here.
287 (fr400_check_readwrite_address): New function.
288 (fr500_check_readwrite_address): New function.
289 (check_readwrite_address): New function.
290 (fr500_check_insn_read_address): Correct address ranges.
291 (frvbf_read_mem_*): Check address range here.
292 (frv_address_forbidden): Removed.
293 (fr400_check_write_address): New function.
294 (check_write_address): New function.
295 (frvbf_write_mem_*): Don't check address range here.
296 (frvbf_mem_set_*): Check address range here.
297 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
298 address as second argument.
299 (frv_queue_data_access_exception_interrupt): New function.
300 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
301 media insns on fr400.
302 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
303 for media insns on fr400.
304 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
305 of insns here. Check for MTRAP insn if PSR.EM is not set.
306 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
307 set.
308 (set_exception_status_registers): Do not always set EPCR. Set EAR for
309 data_acess_error only if not fr400.
310 * frv.c (do_media_average): New function.
311 (frvbf_media_average): New function.
312 (frvbf_insn_cache_invalidate): Check for illegal invocation.
313 (frvbf_data_cache_invalidate): Ditto.
314 (frvbf_data_cache_flush): Ditto.
315 * frv-sim.h (GET_FSR_QNE): New macro.
316 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
317 (GET_MSR_SRDAV): New macro.
318 (GET_MSR_RDAV): New macro.
319 (GET_MSR_RD): New macro.
320 (frv_queue_data_access_error_interrupt): Now takes an address as second
321 argument.
322 (frv_address_forbidden): Removed.
323 * cache.c (non_cache_access): Correct address ranges. Now takes cache
324 as first argument.
325 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
326
3272001-08-20 Dave Brolley <brolley@redhat.com>
328
329 * sim-main.h (_sim_cpu): New field 'elf_flags'.
330 * sim-if.c (sim_open): Extract the elf_flags from the input file and
331 save them with each cpu.
332 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
333 last_insn_p before executing the insn.
334 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
335 insn cache.
336 (frv_cache_invalidate_all): Ditto.
337
3382001-08-20 Richard Sandiford <rsandifo@redhat.com>
339
340 * traps.c (syscall_read_mem): Flush the data cache before reading.
341 (syscall_write_mem): Flush the data cache before writing.
342 Invalidate both caches.
343
3442001-07-05 Ben Elliston <bje@redhat.com>
345
346 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
347 (stamp-cpu): Likewise.
348
3492001-05-23 Dave Brolley <brolley@redhat.com>
350
351 * profile-fr400.c (acc_use_is_media_p2): New function.
352 (frvbf_model_fr400_u_media_2): Account for latency of output
353 accumulators.
354 (frvbf_model_fr400_u_media_2_quad): Ditto.
355 (frvbf_model_fr400_u_media_2_acc): New function.
356 (frvbf_model_fr400_u_media_2_acc_dual): New function.
357 (frvbf_model_fr400_u_media_2_add_sub): New function.
358 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
359 (frvbf_model_fr400_u_media_3_dual): New function.
360 (frvbf_model_fr400_u_media_4_acc_dual): New function.
361 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
362
3632001-05-15 Dave Brolley <brolley@redhat.com>
364
365 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
366 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
367 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
368 (request_cache_flush): Save 'all' argument.
369 (request_cache_invalidate): Save all_cache_entries from profile state
370 to 'all' field of the request.
371 (submit_cache_request): Pass the 'all' field of the request to
372 frv_cache_request_invalidate.
373 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
374 operation even if HSR0.ICE is not set.
375 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
376 operation even if HSR0.DCE is not set.
377 (frv_data_cache_flush): Ditto.
378 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
379 (frv_data_cache_invalidate): Add new 'all' parameter.
380 (frv_data_cache_flush): Add new 'all' parameter.
381 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
382 (frv_cache_request_invalidate): Add new 'all' parameter.
383 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
384 its value in the invalidate request.
385 (address_interference): Accept the value '-1' for the address argument
386 to mean 'any address'.
387 (handle_req_invalidate): Handle request to invalidate all cache lines.
388 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
389
3902001-05-14 Dave Brolley <brolley@redhat.com>
391
392 * profile.h (past_first_p): New field of profiling state.
393 (branch_penalty): Ditto.
394 (branch_hint): Ditto.
395 (update_branch_penalty): New function.
396 * profile.c (frvbf_model_insn_after): Reset past_first_p and
397 branch_address fields of the profiling state.
398 (frvbf_model_branch): New function.
399 (update_branch_penalty): New function.
400 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
401 FCCi_3 inputs.
402 (frvbf_model_fr500_u_trap): New function.
403 (frvbf_model_fr500_u_check): New function.
404 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
405 cycles.
406 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
407 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
408 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
409 documented in teh fr400 LSI.
410 (frvbf_model_fr400_u_media_dual_htob): Ditto.
411 (frvbf_model_fr400_u_media_dual_unpack): Removed.
412 (frvbf_model_fr500_u_trap): New function.
413 (frvbf_model_fr500_u_check): New function.
414 * mloop.in (simulate_dual_insn_prefetch): New function.
415 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
416 arguments for each machine type.
417 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
418
4192001-05-09 Dave Brolley <brolley@redhat.com>
420
421 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
422 (profile-fr400.o): New target.
423 * profile.c: New file.
424 * profile.h: New file.
425 * profile-fr400.c: New file.
426 * profile-fr400.h: New file.
427 * profile-fr500.c: New file.
428 * profile-fr500.h: New file.
429 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
430
4312001-05-02 Dave Brolley <brolley@redhat.com>
432
433 * sim-main.h (profile.h): #include it.
434 (CPU_PROFILE_STATE): New macro.
435 (profile_state): New frv specific cpu field.
436 * reset.c (frv_initialize): insn_fetch_address and branch_address now
437 part of global profiling state.
438 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
439 (SIM_EXTRA_DEPS): Add profile.h.
440 (registers.o): Correct name of source file.
441 (profile.o): New target.
442 (profile-fr500.o): New target.
443 * frv-sim.h: Move profile related data structures to profile.h.
444 * frv.c: Move fr500 specific functions to profile-fr500.c.
445 * cpu.h: Regenerated.
446
4472001-04-27 Dave Brolley <brolley@redhat.com>
448
449 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
450 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
451 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
452 Rename PIPE_* to UNIT_*.
453 (frv_queue_illegal_instruction_interrupt): Use
454 frv_is_float_insn and frv_is_media_insn.
455 (frv_queue_non_implemented_instruction_interrupt): Ditto.
456 (frv_detect_insn_access_interrupts): Ditto.
457 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
458 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
459 * memory.c: Ditto.
460 * pipeline.c: Ditto.
461 * mloop.in: Ditto.
462 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
463 * cache.c: Rename PIPE_* to UNIT_*.
464
4652001-04-24 Dave Brolley <brolley@redhat.com>
466
467 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
468 (frvbf_load_quad_FRint): Ditto.
469 (frvbf_load_quad_CPR): Ditto.
470 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
471 machines.
472 (bfd.h): #include it.
473 (non_cache_access): Update for revised fr500 and for fr400.
474 * registers.c (frv_spr): Don't reset PSR.PS.
475 (fr500_spr): Ditto.
476 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
477
4782001-04-23 Dave Brolley <brolley@redhat.com>
479
480 * traps.c (frv_core_signal): On fr400, generate data_access_error.
481 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
482 (frvbf_media_acc_not_aligned): Ditto.
483 (frvbf_media_register_not_aligned): Ditto.
484 (frvbf_division_exception): Use GET_ISR_EDE.
485 * registers.c (frv_check_spr_read_access): New function.
486 (frv_check_spr_write_access): New function.
487 (frv_check_spr_access): Deleted.
488 (frv_check_register_access): On fr400, generate illegal_instruction.
489 * memory.c (fr400_check_data_read_address): New function.
490 (fr500_check_data_read_address): Ditto.
491 (check_data_read_address): Ditto.
492 (fr400_check_insn_read_address): Ditto.
493 (fr500_check_insn_read_address): Ditto.
494 (check_insn_read_address): Ditto.
495 (frvbf_read_mem_QI): Call check_data_read_access.
496 (frvbf_read_mem_UQI): Ditto.
497 (frvbf_read_mem_HI): Ditto.
498 (frvbf_read_mem_UHI): Ditto.
499 (frvbf_read_mem_SI): Ditto.
500 (frvbf_read_mem_DI): Ditto.
501 (frvbf_read_mem_DF): Ditto.
502 (frvbf_read_imem_USI): Call check_insn_read_access.
503 (frv_address_forbidden): Now takes cpu as first argument. Check based
504 on machine type.
505 (fr400_mem_address_unaligned): New function.
506 (fr500_mem_address_unaligned): Ditto.
507 (check_write_address): Ditto.
508 (frvbf_mem_set_QI): Call check_write_address.
509 (frvbf_mem_set_HI): Ditto.
510 (frvbf_mem_set_SI): Ditto.
511 (frvbf_mem_set_DI): Ditto.
512 (frvbf_mem_set_DF): Ditto.
513 (frvbf_mem_set_XI): Ditto.
514 * interrupts.c (bfd.h): #include it.
515 (frv_queue_data_access_error_interrupt): New function.
516 (frv_queue_instruction_access_error_interrupt): New function.
517 (frv_queue_instruction_access_exception_interrupt): New function.
518 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
519 (frv_queue_non_implemented_instruction_interrupt): Ditto.
520 (frv_detect_insn_access_interrupts): Reorder tests to match priority
521 from the LSI manual.
522 (set_isr_exception_fields): Accumulate dtt bits.
523 * frv.c (check_register_alignment): New function.
524 (check_fr_register_alignment): New function.
525 (check_memory_alignment): New function.
526 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
527 (frvbf_h_gr_double_set_handler): Ditto.
528 (frvbf_h_cpr_double_get_handler): Ditto.
529 (frvbf_h_cpr_double_set_handler): Ditto.
530 (frvbf_h_gr_quad_set_handler): Ditto.
531 (frvbf_h_cpr_quad_set_handler): Ditto.
532 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
533 (frvbf_h_fr_double_set_handler): Ditto.
534 (frvbf_h_fr_quad_set_handler): Ditto.
535 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
536 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
537 (frvbf_load_quad_GR): Call check_memory_aligment.
538 (frvbf_load_quad_FRint): Ditto.
539 (frvbf_load_quad_CPR): Ditto.
540 (frvbf_store_quad_GR): Call check_memory_aligment and
541 check_register_alignment.
542 (frvbf_store_quad_FRint): Ditto.
543 (frvbf_store_quad_CPR): Ditto.
544 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
545 * frv-sim.h (H_SPR_ACC0): New macro.
546 (H_SPR_ACC63): New macro.
547 (H_SPR_ACCG0): New macro.
548 (H_SPR_ACCG63): New macro.
549 (frv_dtt): New enumerator.
550 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
551 (GET_ISR_DTT): New macro.
552 (frv_queue_data_access_error_interrupt): New function.
553 (frv_queue_instruction_access_error_interrupt): New function.
554 (frv_queue_instruction_access_exception_interrupt): New function.
555 (frv_address_forbidden): Now takes cpu as first argument.
556 * cpu.h: Regenerate.
557
5582001-04-10 Dave Brolley <brolley@redhat.com>
559
560 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
561 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
562 (fr400_spr): Implement SPR registers for fr400.
563 (frv_register_control_init): Handle bfd_mach_fr400 properly.
564 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
565 (spr_psr_get_handler): Ditto.
566 (spr_ccr_get_handler): Ditto.
567 (spr_cccr_get_handler): Ditto.
568 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
569 * frv-sim.h: Update comment about MCCR_* macros.
570 * cpu.c,cpu.h: Regenerate.
571
5722001-04-05 Dave Brolley <brolley@redhat.com>
573
574 * cpu.h,decode.c,model.c,sem.c: Regenerate.
575
5762001-04-05 Dave Brolley <brolley@redhat.com>
577
578 * reset.c: Update copyright.
579 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
580 * frv.c (frvbf_model_fr400_u_exec): New function.
581 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
582 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
583 Regenerate.
584
5852000-11-22 Dave Brolley <brolley@redhat.com>
586
587 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
588 Regenerate.
589
5902000-11-10 Dave Brolley <brolley@redhat.com>
591
592 * decode.c: Regenerate.
593
5942000-09-12 Dave Brolley <brolley@redhat.com>
595
596 * traps.c (frv_sim_engine_halt_hook): New function.
597 (frv_itrap): Caches now invalidated in sim_engine_halt via
598 SIM_ENGINE_HALT_HOOK.
599 (frv_break): Ditto.
600 * sim-main.h (frv_sim_engine_halt_hook): New function.
601 (SIM_ENGINE_HALT_HOOK): New macro.
602 (SIM_ENGINE_RESTART_HOOK): New macro.
603 * interrupts.c: Call to frv_term now done within sim_engine_halt via
604 SIM_ENGINE_HALT_HOOK.
605
6062000-09-08 Dave Brolley <brolley@redhat.com>
607
608 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
609 respectively when stopping for a breakpoint.
610 (frv_break): Ditto.
611 * cache.h (frv_cache_invalidate_all): New function.
612 * cache.c (frv_cache_invalidate_all): New function.
613
6142000-09-05 Dave Brolley <brolley@redhat.com>
615
616 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
617 sim_handle_breakpoint. Otherwise if environment != operating call
618 sim_engine_halt. Otherwise handle normally.
619 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
620 breakpoints here. Moved to frv_break in traps.c.
621
622 * sem.c: Regenerate.
623
6242000-09-01 Dave Brolley <brolley@redhat.com>
625
626 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
627 before queuing an interrupt in order to allow 'break' to be used as
628 the breakpoint insn.
629
6302000-08-29 Dave Brolley <brolley@redhat.com>
631
632 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
633
6342000-07-27 Dave Brolley <brolley@redhat.com>
635
636 * cpu.h,decode.c: Rebuild.
637
6382000-07-26 Dave Brolley <brolley@redhat.com>
639
640 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
641 (spr_cccr_set_handler): Change CRx to CCx.
642 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
643
6442000-07-24 Dave Brolley <brolley@redhat.com>
645
646 * sem.c: Regenerate.
647 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
648 Don't write it directly.
649
650Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
651
652 * configure: Regenerated to track ../common/aclocal.m4 changes.
653
6542000-07-05 Ben Elliston <bje@redhat.com>
655
656 * configure: Regenerated to track ../common/aclocal.m4 changes.
657
6582000-06-28 Dave Brolley <brolley@redhat.com>
659
660 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
661
6622000-06-21 Dave Brolley <brolley@redhat.com>
663
664 * pipeline.c: All code except frv_pipeline_setup_insn moved to
665 frv.opc.
666 * mloop.in (main loop): frv_pipeline_add_insn broken up into
667 frv_pipeline_add_insn and frv_pipeline_setup_insn.
668 * frv-sim.h: Move pipeline status code to frv.opc.
669 * model.c: Regenerate.
670
6712000-06-12 Dave Brolley <brolley@redhat.com>
672
673 * options.c (frv_option_handler): --profile-parallel implies
674 --profile-model.
675 * mloop.in (fetch_buffer): Removed.
676 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
677 run_caches. Use cache directly if not counting cycles. Don't use
678 cache at all if not counting cycles and cache not enabled.
679 * frv.c (frv_insn_fetch_buffer): New global variable.
680 (run_caches): Monitor the status of insn prefetch requests.
681 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
682 (frv_insn_fetch_buffer): New global variable.
683
6842000-06-12 Dave Brolley <brolley@redhat.com>
685
686 * mloop.in (fetch_buffer): New static struct.
687 (@cpu@_simulate_insn_prefetch): Rewritten.
688 * cache.c (frv_cache_request_invalidate): Don't invalidate return
689 buffer.
690 (address_interference): Defer to any WAR request in either pipeline.
691
6922000-06-09 Dave Brolley <brolley@redhat.com>
693
694 * pipeline.c (insns_in_slot): New Array.
695 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
696 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
697 option.
698 (parse_cache_option): New function.
699 (frv_option_handler): Call parse_cache_option.
700 * frv.c (vliw_branch_taken): New variable.
701 (vliw_load_stall): New variable.
702 (handle_resource_wait): Update vliw_load_stall.
703 (frvbf_model_insn_before): Initialize vliw_branch_taken and
704 vliw_load_stall.
705 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
706 (load_wait_for_FR): Update vliw_load_stall.
707 (load_wait_for_GR): Update vliw_load_stall.
708 (load_wait_for_FRdouble): Update vliw_load_stall.
709 (load_wait_for_GRdouble): Update vliw_load_stall.
710 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
711 (slot_names): New static array.
712 (print_parallel): Now takes second argument 'verbose'. Print cycles per
713 VLIW insn and instructions per cycle. Also tabulate the number of insns
714 in each type of VLIW slot.
715 (frv_profile_info): Call print_parallel with new second argument.
716 * frv-sim.h (insn_in_slot): New array.
717 (COUNT_INSNS_IN_SLOT): New macro.
718 (INSNS_IN_SLOT): New macro.
719 * cache.c: Remove references to non_blocking_count. Remove references to
720 last_was_hit. Remove references to req_none.
721 (handle_req_store): Adjust statistics before requeuing the store
722 request.
723 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
724 * cache.h: Remove references to non_blocking_count. Remove references to
725 last_was_hit. Remove references to req_none.
726 * model.c: Regenerate.
727
7282000-06-08 Dave Brolley <brolley@redhat.com>
729
730 * frv.c (request_complete): Copy load data from the correct return
731 buffer.
732
7332000-06-07 Dave Brolley <brolley@redhat.com>
734
735 * traps.c (frv_core_signal): Call frv_term before exiting.
736 (frv_itrap): Call frv_term before exiting.
737 (next_available_nesr): Make sure NECR is implemented before reading it.
738 (next_valid_nesr): Ditto.
739 (frvbf_check_non_excepting_load): Ditto.
740 (frvbf_clear_ne_flags): Ditto.
741 (frvbf_commit): Ditto.
742 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
743 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
744 store_flag members.
745 (CPU_LOAD_ADDRESS): New macro.
746 (CPU_LOAD_LENGTH): New macro.
747 (CPU_LOAD_SIGNED): New macro.
748 (CPU_LOAD_LOCK): New macro.
749 * reset.c (frv_term): New function.
750 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
751 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
752 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
753 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
754 the insn. Model the insn in two passes. One before and one after
755 execution.
756 (cache_reqno): new static variable.
757 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
758 cache rather than assuming a fixed latency.
759 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
760 enabled so that modeling data is collected by cgen during execution.
761 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
762 * memory.c (data_non_cache_access): Removed.
763 (insn_non_cache_access): Removed.
764 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
765 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
766 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
767 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
768 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
769 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
770 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
771 (frvbf_read_imem_USI): Read the cache or ememory passively.
772 (frvbf_write_mem_QI): Don't check for non-cache access here.
773 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
774 (frvbf_write_mem_HI): Don't check for non-cache access here.
775 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
776 (frvbf_write_mem_SI): Don't check for non-cache access here.
777 (frvbf_write_mem_DI): Don't check for non-cache access here.
778 (frvbf_write_mem_DF): Don't check for non-cache access here.
779 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
780 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
781 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
782 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
783 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
784 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
785 * interrupts.c (check_reset): Read the cache and memory passively.
786 (frv_program_or_software_interrupt): Call frv_term before calling
787 sim_engine_halt.
788 * frv.c (all modeling functions): Break into two passes. One before
789 execuetion and one after. call load_wait_for_* for all GR and FR
790 registers.
791 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
792 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
793 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
794 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
795 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
796 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
797 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
798 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
799 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
800 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
801 (model_insn): New global variable.
802 (fr_ptime): New array.
803 (cache_request): New enumeration.
804 (CACHE_QUEUE_ELEMENT): New struct type.
805 (CACHE_QUEUE_SIZE): New macro.
806 (cache_queue): New static struct.
807 (request_cache_load): New function.
808 (request_cache_flush): New function.
809 (request_cache_invalidate): New function.
810 (request_cache_preload): New function.
811 (request_cache_unlock): New function.
812 (submit_cache_request): New function.
813 (activate_cache_requests): New function.
814 (load_pending_for_register): New function.
815 (flush_pending_for_address): New function.
816 (remove_cache_queue_element): New function.
817 (copy_load_data): New function.
818 (request_complete): New function.
819 (run_caches): New function.
820 (frv_model_trace_wait_cycles): New function.
821 (wait_for_flush): New function.
822 (frvbf_model_insn_before): Insn prefect wait now modeled in
823 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
824 wait_for_flush.
825 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
826 vliw_insns here anymore.
827 (update_FR_latency_for_load): New function.
828 (update_FRdouble_latency_for_load): New function.
829 (update_FR_ptime): New function.
830 (update_FRdouble_ptime): New function.
831 (update_GR_latency_for_swap): New function.
832 (load_wait_for_GR): New function.
833 (load_wait_for_FR): New function.
834 (load_wait_for_GRdouble): New function.
835 (load_wait_for_FRdouble): New function.
836 (frvbf_model_fr500_u_ici): New function.
837 (frvbf_model_fr500_u_dci): New function.
838 (frvbf_model_fr500_u_dcf): New function.
839 (frvbf_model_fr500_u_icpl): New function.
840 (frvbf_model_fr500_u_dcpl): New function.
841 (frvbf_model_fr500_u_icul): New function.
842 (frvbf_model_fr500_u_dcul): New function.
843 * frv-sim.h (frv_term): New function.
844 (insn_non_cache_access): Removed.
845 (FRV_COUNT_CYCLES): New macro.
846 (frv_save_peofile_model_p): New global variable.
847 (model_insn): New enumerated global variable.
848 (frv_model_advance_cycles): New function.
849 (frv_model_trace_wait_cycles): New function.
850 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
851 (FRV_CACHE_WAR_REQUEST): New struct type.
852 (FRV_CACHE_STORE_REQUEST): New struct type.
853 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
854 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
855 (FRV_CACHE_REQUEST): New struct type.
856 (FRV_CACHE_RETURN_BUFFER): New struct type.
857 (FRV_CACHE_FLUSH_STATUS): New struct type.
858 (FRV_CACHE_STATUS): New struct type.
859 (FRV_CACHE_STAGE): New struct type.
860 (FRV_CACHE_STAGES): New enumeration.
861 (FRV_CACHE_WAR): New struct type.
862 (FRV_CACHE_PIPELINE): New struct type.
863 (FRV_CACHE_ARS): New struct type.
864 (FRV_CACHE_STATISTICS): New struct type.
865 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
866 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
867 (CACHE_RETURN_DATA_ADDRESS): New macro.
868 (frv_cache_read): Now takes pipe index as second argument.
869 (frv_cache_enabled): New function.
870 (frv_cache_request_load): New function.
871 (frv_cache_request_store): New function.
872 (frv_cache_request_invalidate): New function.
873 (frv_cache_request_preload): New function.
874 (frv_cache_request_unlock): New function.
875 (frv_cache_run): New function.
876 (frv_cache_read_passive_SI): New function.
877 (frv_cache_data_in_buffer): New function.
878 (frv_cache_data_flushed): New function.
879 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
880 (frv_cache_enabled): New function.
881 (non_cache_access): New function.
882 (write_data_to_memory): Count write accesses for each mode. Write to
883 memory using sim_core_write_unaligned_1;
884 (read_data_from_memory): New function.
885 (fill_line_from_memory): Use read_data_from_memory.
886 (copy_line_to_return_buffer): New function.
887 (copy_memory_to_return_buffer): New function.
888 (set_return_buffer_reqno): New function.
889 (frv_cache_read): Now takes pipe index as second argument. Check for
890 non-cache access.
891 (frv_cache_preload): Check for non-cache access.
892 (frv_cache_unlock): Check for non-cache access.
893 (invalidate_return_buffer): New function.
894 (frv_cache_invalidate): Check for non-cache access.
895 (convert_slot_to_index): New function.
896 (FREE_CHAIN_SIZE): New macro.
897 (frv_cache_request_free_chain): New static variable.
898 (frv_store_request_free_chain): New static variable.
899 (allocate_new_cache_requests): New function.
900 (new_cache_request): New function.
901 (free_cache_request): New function.
902 (new_store_request): New function.
903 (pipeline_remove_request): New function.
904 (pipeline_add_request): New function.
905 (pipeline_requeue_request): New function.
906 (next_priority): New function.
907 (add_WAR_request): New function.
908 (pipeline_next_request): New function.
909 (pipeline_stage_request): New function.
910 (advance_pipelines): New function.
911 (frv_cache_request_load): New function.
912 (frv_cache_request_store): New function.
913 (frv_cache_request_invalidate): New function.
914 (frv_cache_request_preload): New function.
915 (frv_cache_request_unlock): New function.
916 (address_interference): New function.
917 (wait_for_WAR): New function.
918 (wait_in_WAR): New function.
919 (handle_req_load): New function.
920 (handle_req_preload): New function.
921 (handle_req_store): New function.
922 (handle_req_invalidate): New function.
923 (handle_req_unlock): New function.
924 (handle_req_WAR): New function.
925 (arbitrate_requests): New function.
926 (move_ARS_to_WAR): New function.
927 (decrease_latencies): New function.
928 (frv_cache_run): New function.
929 (frv_cache_read_passive_SI): New function.
930 (frv_cache_data_in_buffer): New function.
931 (frv_cache_data_flushed): New function.
932 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
933
934Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
935
936 * configure: Regenerated to track ../common/aclocal.m4 changes.
937
9382000-05-19 Dave Brolley <brolley@redhat.com>
939
940 * traps.c (frv_rett): Check for exceptions in the order specified in the
941 architecture spec. Allow privileged_instruction interrrupt to be handled
942 normally.
943 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
944 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
945 to clear the NE flag.
946 (frvbf_model_tomcat_u_exec): New function.
947 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
948 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
949 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
950
9512000-05-18 Dave Brolley <brolley@redhat.com>
952
953 * sim-if.c (elf-bfd.h): #include it.
954 (sim_open): Set machine amd architecture based on elf flags.
955
9562000-04-04 Dave Brolley <brolley@redhat.com>
957
958 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
959 Delete '#if 0' blocks.
960 * frv.c: Delete '#if 0' blocks.
961 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
962 PSR.S and PSR.ESR.
963 (frv_h_psr_esr_set_handler): Removed.
964 * interrupts.c: Delete '#if 0' blocks.
965 * memory.c: Delete '#if 0' blocks.
966 * cpu.c,cpu.h: Regenerate.
967
9682000-04-03 Dave Brolley <brolley@redhat.com>
969
970 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
971 containing the target address.
972 (clear_nesr_neear): No longer takes hi_available and lo_available.
973 Remove bogus check for available GR registers.
974 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
975 (frvbf_commit): Update call to clear_nesr_neear.
976 * interrupts.c (next_available_esr): Removed.
977 (next_available_edr): Removed.
978 (next_available_fq): Removed.
979 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
980 (frvbf_store_register): Remove "FIXME" comment.
981 * frv-sim.h (UART_INCHAR_ADDR): Removed.
982 (UART_OUTCHAR_ADDR): Removed.
983 (UART_STATUS_ADDR): Removed.
984 (UART_INPUT_READY): Removed.
985 (UART_OUTPUT_READY): Removed.
986 (FRV_DEVICE_ADDR): Removed.
987 (FRV_DEVICE_LEN): Removed.
988 (SET_NESR): Call frvbf_force_update.
989 (SET_NEEAR): Call frvbf_force_update.
990 (SET_NE_FLAGS): Call frvbf_force_update.
991
9922000-03-30 Dave Brolley <brolley@redhat.com>
993
994 * configure: Regenerated.
995
9962000-03-30 Dave Brolley <brolley@redhat.com>
997
998 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
999 * memory.c (frvbf_write_mem_*): Save slot containing the insn
1000 performing the write.
1001 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1002 queue element with the information in the interrupt state.
1003 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1004 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1005 (frv_set_interrupt_queue_slot): New function.
1006 (esr_for_data_access_exception): New function.
1007 (set_edr_register): edr_index is now passed in.
1008 (fq_for_exception): New function.
1009 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1010 element now passed in.
1011 (set_exception_status_registers): Obtain slot from interrupt queue
1012 element. Call esr_for_data_access_exception. Use ESR14
1013 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1014 (frv_save_data_written_for_interrupts): Save slot containing the insn
1015 performing the write.
1016 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1017 frv_fsr_ftt.
1018 (struct frv_interrupt_state): Add 'slot' field.
1019 (frv_set_interrupt_queue_slot): New function.
1020 (frv_set_write_queue_slot): New function.
1021
10222000-03-24 Dave Brolley <brolley@redhat.com>
1023
1024 * mloop.in (_parallel_write_init): Initialize
1025 frv_interrupt_state.imprecise_interrupt.
1026 (_parallel_write_queued): After an imprecise interrupt, only perform
1027 forced writes and floating point writes (for certain exceptions).
1028 * interrupts.c (handle_interrupt): Set
1029 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1030 interrupt.
1031 (frv_process_interrupts): No need to clear f_ne_flags.
1032 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1033 force them to happen even if there is an overflow exception.
1034 (frvbf_force_update): New function.
1035 * frv-sim.h (frvbf_force_update): New function.
1036 (struct frv_interrupt_state): Add imprecise_interrupt.
1037 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1038 * sem.c: Regenerate.
1039
10402000-03-23 Dave Brolley <brolley@redhat.com>
1041
1042 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1043 * registers.c (frv_spr): MCIRL -> MCILR.
1044 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1045 New function.
1046 (frv_detect_insn_access_interrupts):
1047 Call frv_queue_non_implemented_instruction_interrupt.
1048 (frv_process_interrupts): Clear accumulated NE flags.
1049 * frv.c (frvbf_media_cop): New function.
1050 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1051 the NE flag of the given target register.
1052 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1053 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1054 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1055 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1056 (frvbf_model_fr500_u_float_dual_convert): New function.
1057 * frv-sim.h (frvbf_media_cop): New function.
1058 (GET_FQ): Use H_SPR_FQST0.
1059 (SET_FQ): Use H_SPR_FQST0.
1060 (SET_FQ_OPC): Use J_SPR_FQOP0.
1061 (GET_MSR_EMCI): New macro.
1062 (frv_queue_non_implemented_instruction_interrupt): New function.
1063 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1064
10652000-03-08 Dave Brolley <brolley@redhat.com>
1066
1067 * traps.c (frv_rett): Align new_pc.
1068 * memory.c (frvbf_read_mem_HI): Align address.
1069 (frvbf_read_mem_UHI): Align address.
1070 (frvbf_read_mem_SI): Align address.
1071 (frvbf_read_mem_DI): Align address.
1072 (frvbf_read_mem_DF): Align address.
1073 (frvbf_read_imem_USI): Align address.
1074 (frvbf_mem_set_HI): Align address.
1075 (frvbf_mem_set_SI): Align address.
1076 (frvbf_mem_set_DI): Align address.
1077 (frvbf_mem_set_DF): Align address.
1078 (frvbf_mem_set_XI): Align address.
1079 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1080 (fr500_spr): Initialize FSR0.NS to 1.
1081 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1082 whether the exception is masked.
1083 * frv.c (frvbf_load_quad_GR): Align address.
1084 (frvbf_store_quad_GR): Align address.
1085 (frvbf_load_quad_FRint): Align address.
1086 (frvbf_store_quad_FRint): Align address.
1087 (frvbf_load_quad_CPR): Align address.
1088 (frvbf_store_quad_CPR): Align address.
1089 * frv-sim.h (GET_ISR_EMAM): New macro.
1090
10912000-03-08 Dave Brolley <brolley@redhat.com>
1092
1093 * traps.c (frvbf_division_exception): Check for masked overflow and
1094 set NE flags, if necessary.
1095 (frvbf_check_recovering_store): Queue writes to the hardware.
1096 (check_registers_available): Removed.
1097 (which_registers_available): Call frv_{fr,gr}_registers_available.
1098 (frvbf_clear_ne_flags): Call check_register_access.
1099 (frvbf_commit): Call check_register_access.
1100 * registers.h (frv_fr_registers_available): New function.
1101 (frv_gr_registers_available): New function.
1102 (frv_check_register_access): New function.
1103 (frv_check_gr_access): New function.
1104 (frv_check_fr_access): New function.
1105 * registers.c (frv_spr): Correct initial value of ISR.
1106 (fr500_spr): Correct initial value of ISR.
1107 (frv_fr_registers_available): New function.
1108 (frv_gr_registers_available): New function.
1109 (frv_check_register_access): New function.
1110 (frv_check_gr_access): New function.
1111 (frv_check_fr_access): New function.
1112 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1113 (set_isr_exception_fields): New function.
1114 (set_exception_status_registers): Set ISR fields for division exception.
1115 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1116 * frv.c (frvbf_h_gr_get_handler): New function.
1117 (frvbf_h_gr_set_handler): New function.
1118 (frvbf_h_fr_get_handler): New function.
1119 (frvbf_h_fr_set_handler): New function.
1120 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1121 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1122 (spr_isr_get_handler): Removed.
1123 (spr_isr_set_handler): Removed.
1124 (frvbf_signed_integer_divide): New funciton.
1125 (frvbf_unsigned_integer_divide): New funciton.
1126 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1127 (frvbf_h_gr_set_handler): New function.
1128 (frvbf_h_fr_get_handler): New function.
1129 (frvbf_h_fr_set_handler): New function.
1130 (frvbf_signed_integer_divide): New funciton.
1131 (frvbf_unsigned_integer_divide): New funciton.
1132 (frv_dtt): New enumeration.
1133 (struct frv_interrupt_queue_element): Add dtt member.
1134 (GET_ISR): New macro.
1135 (SET_ISR): New macro.
1136 (GET_ISR_EDEM): New macro.
1137 (SET_ISR_DTT): New macro.
1138 (SET_ISR_AEXC): New macro.
1139 (frvbf_division_exception): Add 2 'int' arguments.
1140 (frvbf_check_non_excepting_divide): Removed.
1141 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1142
11432000-02-29 Dave Brolley <brolley@redhat.com>
1144
1145 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1146 (frv_rett): Use hardware access macros. Write PSR as a whole.
1147 (next_available_nesr): Check that NECR is valid.
1148 (next_valid_nesr): Check that NECR is valid.
1149 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1150 call hardware access functions. Use cover macros.
1151 (check_registers_available): New function.
1152 (clear_nesr_near): Check register availability.
1153 (clear_ne_flags): Check register availability.
1154 (frvbf_clear_ne_flags): Check register availability.
1155 (frvbf_commit): Check register availability.
1156 (which_registers_available): New function.
1157 * sim-main.h (registers.h): #include it.
1158 (register_control): New cpu field.
1159 (CPU_REGISTER_CONTROL): New macro.
1160 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1161 (frv_power_on_reset): Initialize SPR registers and RSTR.
1162 (frv_hardware_reset): Initialize SPR registers and RSTR.
1163 (frv_software_reset): Reset SPR registers and RSTR.
1164 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1165 Call frv_cache_init.
1166 * mloop.in (main loop): Check for insn access interrupts before
1167 executing the insn.
1168 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1169 (frv_detect_insn_access_interrupts): Don't call hardware access
1170 functions directly. Use cover macros.
1171 (check_reset): Don't reset RSTR here.
1172 (next_available_esr): ESFR -> ESFR_FLAG.
1173 (next_available_edr): ESFR -> ESFR_FLAG.
1174 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1175 ESFR -> ESFR_FLAG.
1176 (frv_break_interrupt): Don't call hardware access functions directly.
1177 Use cover macros.
1178 (frv_program_or_software_interrupt): Ditto.
1179 (frv_external_interrupt): Ditto.
1180 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1181 (frvbf_store_register): Don't call 'set' functions directly.
1182 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1183 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1184 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1185 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1186 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1187 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1188 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1189 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1190 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1191 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1192 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1193 Support shadow registers.
1194 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1195 Support shadow registers.
1196 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1197 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1198 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1199 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1200 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1201 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1202 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1203 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1204 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1205 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1206 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1207 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1208 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1209 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1210 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1211 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1212 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1213 version 1.3a.
1214 (spr_ccr_get_handler): Don't reference the hardware directly.
1215 (spr_ccr_set_handler): Don't reference the hardware directly.
1216 (spr_cccr_get_handler): Don't reference the hardware directly.
1217 (spr_cccr_set_handler): Don't reference the hardware directly.
1218 (spr_sr_get_handler): New function.
1219 (spr_sr_set_handler): New function.
1220 (frvbf_switch_supervisor_user_context): Temporarily switch to
1221 supervisor mode.
1222 (frvbf_store_quad_GR): Don't call handler directly.
1223 (frvbf_store_quad_FRint): Don't call handler directly.
1224 (frvbf_store_quad_CPR): Don't call handler directly.
1225 (frvbf_clear_all_accumulators): Removed.
1226 (frvbf_clear_accumulators): New function.
1227 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1228 Account for in_ACCGi and out_ACCGk.
1229 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1230 (RSTR_SOFTWARE_RESET): New macro.
1231 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1232 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1233 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1234 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1235 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1236 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1237 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1238 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1239 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1240 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1241 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1242 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1243 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1244 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1245 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1246 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1247 (frvbf_clear_all_accumulators): Removed.
1248 (frvbf_clear_accumulators): New function.
1249 (GET_HSR0): Use GET_H_SPR.
1250 (SET_HSR0): Use SET_H_SPR.
1251 (CLEAR_HSR0_ICE): New macro.
1252 (CLEAR_HSR0_DCE): New macro.
1253 (GET_IHSR8): Use GET_H_SPR.
1254 (GET_PSR): New macro.
1255 (SET_PSR_ET): New macro.
1256 (GET_PSR_PS): New macro.
1257 (SET_PSR_S): New macro.
1258 (GET_ESFR): Changed to reference entire register.
1259 (SET_ESFR): Changed to reference entire register.
1260 (GET_ESFR_FLAG): New macro.
1261 (SET_ESFR_FLAG): New macro.
1262 (NECR_ELOS): Removed.
1263 (NECR_NEN): Removed.
1264 (NECR_VALID): Removed.
1265 (GET_NECR): New macro.
1266 (GET_NECR_ELOS): New macro.
1267 (GET_NECR_NEN): New macro.
1268 (GET_NECR_VALID): New macro.
1269 (NESR_RANGE): Removed.
1270 (GET_NESR): Use GET_H_SPR.
1271 (GET_NE_FLAGS): Use GET_H_SPR.
1272 * cache.h (CACHE_INITIALIZED): New macro.
1273 * Makefile.in (SIM_OBJS): Add registers.o.
1274 (SIM_EXTRA_DEPS): Add registers.h.
1275 (registers.o): New target.
1276 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1277
12782000-02-17 Dave Brolley <brolley@redhat.com>
1279
1280 * interrupts.c (frv_interrupt_table): Update priority order and handler
1281 offsets to conform to the architecture version 1.3a.
1282 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1283 to the architecture version 1.3a.
1284
12852000-02-17 Dave Brolley <brolley@redhat.com>
1286
1287 * interrupts.c (frv_interrupt_table): Update priority order and handler
1288 offsets to conform to the latest specifications.
1289 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1290 queued. New variable 'iclass' used to test for external interrupts.
1291 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1292 to the latest specifications.
1293
12942000-01-20 Dave Brolley <brolley@redhat.com>
1295
1296 * sim-if.c (sim_open): Move frv-specific initialization to
1297 frv_initialize in reset.c.
1298 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1299 status bits for hardware vs software reset.
1300 * reset.c: New file.
1301 * frv-sim.h (frv_initialize): New function.
1302 (frv_power_on_reset): New function.
1303 (frv_hardware_reset): New function.
1304 (frv_software_reset): New function.
1305 (RSTR_ADDRESS): New macro.
1306 (RSTR_INITIAL_VALUE): New macro.
1307 (GET_RSTR_HR): New macro.
1308 (GET_RSTR_SR): New macro.
1309 (SET_RSTR_H): New macro.
1310 (SET_RSTR_S): New macro.
1311 (CLEAR_RSTR_P): New macro.
1312 (CLEAR_RSTR_H): New macro.
1313 (CLEAR_RSTR_S): New macro.
1314 (CLEAR_RSTR_HR): New macro.
1315 (CLEAR_RSTR_SR): New macro.
1316
13172000-01-03 Dave Brolley <brolley@cygnus.com>
1318
1319 * mloop.in (execute): Only call modeling function if the pointer is not
1320 NULL.
1321 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1322 fr500.
1323
13242000-01-03 Dave Brolley <brolley@cygnus.com>
1325
1326 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1327 (frv_options): Add --memory-latency.
1328 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1329 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1330 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1331 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1332 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1333 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1334 (update_latencies): Only clear usage flags if the register has no
1335 target latency.
1336 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1337 not |= (or assgnment).
1338 (frvbf_model_insn_after): Print post processing wait for all insns.
1339 Update prev_acc_p1 and prev_acc_p2.
1340 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1341 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1342 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1343 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1344 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1345 (frvbf_model_fr500_u_media_quad_arith): New function.
1346 (frvbf_model_fr500_u_media_dual_mul): New function.
1347 (frvbf_model_fr500_u_media_quad_mul): New function.
1348 (frvbf_model_fr500_u_media_quad_complex): New function.
1349 (frvbf_model_fr500_u_media_dual_expand): New function.
1350 (frvbf_model_fr500_u_media_dual_unpack): New function.
1351 (frvbf_model_fr500_u_media_dual_btoh): New function.
1352 (frvbf_model_fr500_u_media_dual_htob): New function.
1353 (frvbf_model_fr500_u_media_dual_btohe): New function.
1354 (frv_ref_SI): New function.
1355 * cache.h (FRV_CACHE): Add memory_latency field.
1356 * cache.c (frv_cache_init): Initialize memory_latency.
1357 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1358
13591999-12-17 Dave Brolley <brolley@cygnus.com>
1360
1361 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1362 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1363 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1364 (OPTIONS_FRV_TIMER): New enumeration.
1365 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1366 (frv_option_handler): Override common implementation of -p. Handle
1367 --profile-cache, --profile-parallel, --timer.
1368 * mloop.in (execute): Call profiling functions if the timer interrupt
1369 is enabled.
1370 (@cpu@_simulate_insn_prefetch): New function.
1371 (main loop): Call @cpu@_simulate_insn_prefetch.
1372 * interrupts.c (frv_queue_interrupt): Don't queue two external
1373 interrupts of the same priority.
1374 (frv_queue_external_interrupt): New function.
1375 (frv_external_interrupt): New function.
1376 (handle_interrupt): Handle external interrupts.
1377 (check_reset): New function.
1378 (frv_process_interrupts): Call check_reset.
1379 * frv.c: Include "bfd.h"
1380 (frvbf_h_psr_get_handler): Set the PIL field.
1381 (frvbf_h_psr_set_handler): Get the PIL field.
1382 (DUAL_REG): New macro.
1383 (DUAL_DOUBLE): New macro.
1384 (SET_USE_IS_FPOP): New macro.
1385 (SET_USE_NOT_FPOP): New macro.
1386 (USE_IS_FPOP): New macro.
1387 (SET_USE_IS_MEDIA): New macro.
1388 (SET_USE_NOT_MEDIA): New macro.
1389 (USE_IS_MEDIA_P1): New macro.
1390 (SET_USE_IS_MEDIA_P1): New macro.
1391 (SET_USE_NOT_MEDIA_P1): New macro.
1392 (SET_USE_IS_MEDIA_P2): New macro.
1393 (SET_USE_NOT_MEDIA_P2): New macro.
1394 (USE_IS_MEDIA_P2): New macro.
1395 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1396 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1397 (ACC_USE_IS_MEDIA_P1): New macro.
1398 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1399 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1400 (ACC_USE_IS_MEDIA_P2): New macro.
1401 (RESOURCE_IDIV): New macro.
1402 (RESOURCE_FDIV): New macro.
1403 (RESOURCE_SQRT): New macro.
1404 (fr_busy_adjust): New array.
1405 (acc_busy_adjust): New array.
1406 (apply_latency_adjustments): New function.
1407 (update_latencies): New function.
1408 (handle_wait_cycles): New function.
1409 (handle_resource_wait): New function.
1410 (update_target_latencies): New function.
1411 (frvbf_model_insn_before): Add resource latency to cycle counts.
1412 (frvbf_model_insn_after): Add resource latency to cycle counts.
1413 (update_GR_latency): New function.
1414 (update_GRdouble_latency): New function.
1415 (update_FR_latency): New function.
1416 (update_FRdouble_latency): New function.
1417 (decrease_ACC_busy): New function.
1418 (decrease_FR_busy): New function.
1419 (increase_FR_busy): New function.
1420 (update_ACC_latency): New function.
1421 (update_CCR_latency): New function.
1422 (update_idiv_resource_latency): New function.
1423 (update_fdiv_resource_latency): New function.
1424 (update_fsqrt_resource_latency): New function.
1425 (vliw_wait_for_GR): New function.
1426 (vliw_wait_for_GRdouble): New function.
1427 (vliw_wait_for_FR): New function.
1428 (vliw_wait_for_FRdouble): New function.
1429 (vliw_wait_for_CCR): New function.
1430 (vliw_wait_for_ACC): New function.
1431 (vliw_wait_for_idiv_resource): New function.
1432 (vliw_wait_for_fdiv_resource): New function.
1433 (vliw_wait_for_fsqrt_resource): New function.
1434 (enforce_full_fr_latency): New function.
1435 (frvbf_model_fr500_u_exec): New function.
1436 (frvbf_model_fr500_u_integer): New function.
1437 (frvbf_model_fr500_u_imul): New function.
1438 (frvbf_model_fr500_u_idiv): New function.
1439 (frvbf_model_fr500_u_branch): New function.
1440 (frvbf_model_fr500_u_set_hilo): New function.
1441 (frvbf_model_fr500_u_gr_load_store): New function.
1442 (frvbf_model_fr500_u_fr_load_store): New function.
1443 (frvbf_model_fr500_u_swap): New function.
1444 (frvbf_model_fr500_u_fr2fr): New function.
1445 (frvbf_model_fr500_u_fr2gr): New function.
1446 (frvbf_model_fr500_u_spr2gr): New function.
1447 (frvbf_model_fr500_u_gr2fr): New function.
1448 (frvbf_model_fr500_u_gr2spr): New function.
1449 (post_wait_for_FR): New function.
1450 (post_wait_for_FRdouble): New function.
1451 (post_wait_for_ACC): New function.
1452 (post_wait_for_CCR): New function.
1453 (post_wait_for_fdiv): New function.
1454 (post_wait_for_fsqrt): New function.
1455 (adjust_float_register_busy): New function.
1456 (adjust_double_register_busy): New function.
1457 (restore_float_register_busy): New function.
1458 (restore_double_register_busy): New function.
1459 (frvbf_model_fr500_u_float_arith): New function.
1460 (frvbf_model_fr500_u_float_dual_arith): New function.
1461 (frvbf_model_fr500_u_float_div): New function.
1462 (frvbf_model_fr500_u_float_sqrt): New function.
1463 (frvbf_model_fr500_u_float_compare): New function.
1464 (frvbf_model_fr500_u_float_dual_compare): New function.
1465 (frvbf_model_fr500_u_float_convert): New function.
1466 (frvbf_model_fr500_u_media): New function.
1467 (frvbf_model_fr500_u_barrier): New function.
1468 (frvbf_model_fr500_u_membar): New function.
1469 * frv-sim.h (LEUINT): New macro.
1470 (GET_HSR0_SA): New macro.
1471 (struct frv_interrupt_timer): New struct.
1472 (struct frv_interrupt_state): Add timer fiield.
1473 (frv_queue_external_interrupt): New function.
1474 (frv_external_interrupt): New function.
1475 (frv_profile_info): New function.
1476 (PROFILE_CACHE_IDX): New enumerator.
1477 (PROFILE_PARALLEL_IDX): New enumerator.
1478 (PROFILE_cache): New macro.
1479 (PROFILE_parallel): New macro.
1480 (WITH_PROFILE_CACHE_P): New macro.
1481 (WITH_PROFILE_PARALLEL_P): New macro.
1482 * cache.h (FRV_CACHE): Add last_was_hit field.
1483 * cache.c (get_tag): Use new last_was_hit field.
1484 (frv_cache_read): Ditto.
1485 (frv_cache_write): Ditto.
1486 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1487
14881999-12-13 Dave Brolley <brolley@cygnus.com>
1489
1490 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1491 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1492 sim_queue_fn_di_write.
1493 (frvbf_media_cut_ss): New function.
1494 * frv-sim.h (frvbf_media_cut_ss): New function.
1495 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1496
14971999-12-13 Dave Brolley <brolley@cygnus.com>
1498
1499 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1500 no constraints.
1501 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1502 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1503 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1504 FRV_IS_MEDIA_INSN.
1505 * frv.c (frvbf_model_simple_u_exec): New function.
1506 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1507 (FRV_IS_MEDIA_INSN): Range includes M-8.
1508
1509 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1510 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1511 Regenerate.
1512
15131999-12-10 Dave Brolley <brolley@cygnus.com>
1514
1515 * traps.c (check_registers_available): New function.
1516 (clear_ne_flags): Generate register_exception if register(s) not
1517 available.
1518 (frvbf_commit): Generate register_exception if register(s) not
1519 available.
1520 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1521 GR4-GR7 to SR0-SR4.
1522 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1523 PSR.ESR.
1524 (frvbf_h_psr_s_set_handler): New function.
1525 (frvbf_h_psr_esr_set_handler): New function.
1526 (frvbf_switch_supervisor_user_context): New function.
1527 (frvbf_scan_result): Reflect latest ISA.
1528 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1529 (frvbf_h_psr_esr_set_handler): New function.
1530 (frvbf_switch_supervisor_user_context): New function.
1531 (GET_HSR0_FRN): New Macro.
1532 (GET_HSR0_GRN): New Macro.
1533 (GET_HSR0_FRHE): New Macro.
1534 (GET_HSR0_FRLE): New Macro.
1535 (GET_HSR0_GRHE): New Macro.
1536 (GET_HSR0_GRLE): New Macro.
1537 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1538 (GET_ESFR): New bit ordering.
1539 (SET_ESFR): New bit ordering.
1540 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1541
15421999-12-10 Michael Meissner <meissner@cygnus.com>
1543
1544 * Makefile.in (sim-if.o): Add eng.h dependency.
1545
15461999-12-09 Dave Brolley <brolley@cygnus.com>
1547
1548 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1549 Pass sc->last_insn_p to @cpu@_model_insn_before.
1550 (main loop): Compute sc->first_insn_p.
1551 * frv.c (frvbf_model_insn_before): Set state variables.
1552 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1553 (frvbf_model_fr500_u_integer): Remove.
1554 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1555
15561999-12-07 Dave Brolley <brolley@cygnus.com>
1557
1558 * sim-main.h (cache.h): Include it.
1559 (insn_cache): New member.
1560 (data_cache): New member.
1561 (CPU_INSN_CACHE): New macro.
1562 (CPU_DATA_CACHE): New macro.
1563 * sim-if.c (WANT_CPU): New macro.
1564 (WANT_CPU_FRVBF): New macro.
1565 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1566 data and insn caches for each cpu.
1567 (sim_close): Call frv_cache_term for the insn and data caches of each
1568 cpu.
1569 * mloop.in (extract): Read insn from the cache.
1570 (main loop): Access the insn cache in order to maintain stats.
1571 * memory.c (data_non_cache_access): New function.
1572 (insn_non_cache_access): New function.
1573 (frvbf_read_mem_QI): Attempt to read from the cache first.
1574 (frvbf_read_mem_UQI): Ditto.
1575 (frvbf_read_mem_HI): Ditto.
1576 (frvbf_read_mem_UHI): Ditto.
1577 (frvbf_read_mem_SI): Ditto.
1578 (frvbf_read_mem_DI): Ditto.
1579 (frvbf_read_mem_DF): Ditto.
1580 (frvbf_read_imem_USI): New function.
1581 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1582 (frvbf_write_mem_UQI): Ditto.
1583 (frvbf_write_mem_HI): Ditto.
1584 (frvbf_write_mem_UHI): Ditto.
1585 (frvbf_write_mem_SI): Ditto.
1586 (frvbf_write_mem_DI): Ditto.
1587 (frvbf_write_mem_DF): Ditto.
1588 (frvbf_mem_set_QI): New function.
1589 (frvbf_mem_set_HI): New function.
1590 (frvbf_mem_set_SI): New function.
1591 (frvbf_mem_set_DI): New function.
1592 (frvbf_mem_set_DF): New function.
1593 (frvbf_mem_set_XI): New function.
1594 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1595 CGEN_FN_MEM_QI_WRITE,
1596 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1597 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1598 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1599 Call sim_queue_fn_mem_xi_write.
1600 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1601 Call sim_queue_fn_mem_xi_write.
1602 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1603 Call sim_queue_fn_mem_xi_write.
1604 (frvbf_insn_cache_preload): New function.
1605 (frvbf_data_cache_preload): New function.
1606 (frvbf_insn_cache_unlock): New function.
1607 (frvbf_data_cache_unlock): New function.
1608 (frvbf_insn_cache_invalidate): New function.
1609 (frvbf_data_cache_invalidate): New function.
1610 (frvbf_data_cache_flush): New function.
1611 * frv-sim.h (sim-options.h): Include it.
1612 (GET_HSR0): New macro.
1613 (SET_HSR0): New macro.
1614 (GET_HSR0_ICE): New macro.
1615 (SET_HSR0_ICE): New macro.
1616 (GET_HSR0_DCE): New macro.
1617 (SET_HSR0_DCE): New macro.
1618 (GET_HSR0_CBM): New macro.
1619 (GET_HSR0_RME): New macro.
1620 (GET_IHSR8): New macro.
1621 (GET_IHSR8_NBC): New macro.
1622 (frvbf_insn_cache_preload): New function.
1623 (frvbf_data_cache_preload): New function.
1624 (frvbf_insn_cache_unlock): New function.
1625 (frvbf_data_cache_unlock): New function.
1626 (frvbf_insn_cache_invalidate): New function.
1627 (frvbf_data_cache_invalidate): New function.
1628 (frvbf_data_cache_flush): New function.
1629 (insn_non_cache_access): New function.
1630 (frvbf_read_imem_USI): New function.
1631 (frvbf_mem_set_QI): New function.
1632 (frvbf_mem_set_HI): New function.
1633 (frvbf_mem_set_SI): New function.
1634 (frvbf_mem_set_DI): New function.
1635 (frvbf_mem_set_DF): New function.
1636 (frvbf_mem_set_XI): New function.
1637 (frv_options): FRV specific command line options.
1638 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1639 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1640 (cache.o): New target.
1641 (options.o): New target.
1642 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1643 * cache.h: New file.
1644 * cache.c: New file.
1645 * options.c: New file.
1646
16471999-11-29 Dave Brolley <brolley@cygnus.com>
1648
1649 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1650 (frvbf_check_non_excepting_divide): Ditto.
1651 (clear_ne_flags): Ditto
1652 (frvbf_commit): Ditto.
1653 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1654 * mloop.in (_parallel_write_init): Clear NE flags here.
1655 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1656 for non excepting insns. Also check for masked interrupts here.
1657 (frv_process_interrupts): Write NE flags here.
1658 (set_fp_exception_registers): No longer check for masked interrupts
1659 here.
1660 (check_for_compound_interrupt): No need to worry about masked
1661 interrupts.
1662 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1663 (GET_NE_FLAGS): New macro.
1664 (SET_NE_FLAGS): New macro.
1665 (GET_NE_FLAG): Operate on accumulated argument.
1666 (SET_NE_FLAG): Operate on accumulated argument.
1667 (CLEAR_NE_FLAG): Operate on accumulated argument.
1668 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1669 (frv.o): Correct dependencies.
1670 (traps.o): Ditto.
1671 (pipeline.o): Ditto.
1672 (interrupts.o): Ditto.
1673 (memory.o): Ditto.
1674 * sem.c: Regenerate.
1675
16761999-11-26 Dave Brolley <brolley@cygnus.com>
1677
1678 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1679 there is an exception indicated in the mask.
1680 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1681 state when adding a floating point insn to the pipeline.
1682 * interrupts.c (set_fp_exception_registers): Set NE flag for
1683 non-excepting insns.
1684 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1685 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1686 (frvbf_h_fr_int_get_handler): New function.
1687 (frvbf_h_fr_int_set_handler): New function.
1688 (frvbf_set_ne_index): New function.
1689 (NE_NOFLAG): New macro.
1690 (frv_interrupt_state): Add ne_index member.
1691 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1692 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1693 (frvbf_h_fr_int_get_handler): New function.
1694 (frvbf_h_fr_int_set_handler): New function.
1695 (frvbf_set_ne_index): New function.
1696 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1697
16981999-11-24 Dave Brolley <brolley@cygnus.com>
1699
1700 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1701
17021999-11-23 Dave Brolley <brolley@cygnus.com>
1703
1704 * frv-sim.h (frvbf_media_cut): New function.
1705 * frv.c (frvbf_media_cut): New function.
1706 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1707
17081999-11-22 Dave Brolley <brolley@cygnus.com>
1709
1710 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1711 * frv.c.h (frvbf_clear_all_accumulators): New function.
1712 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1713
17141999-11-18 Dave Brolley <brolley@cygnus.com>
1715
1716 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1717 if this is the first insn of its class in the pipeline.
1718 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1719 * traps.c (frvbf_media_register_not_aligned): New function.
1720 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1721
17221999-11-17 Dave Brolley <brolley@cygnus.com>
1723
1724 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1725 * frv-sim.h (OR_MSR_SIE): New macro.
1726 (CLEAR_MSR_SIE): New macro.
1727 (frvbf_media_overflow): Now takes sie argument.
1728 (frv_set_mp_exception_registers): Now takes sie argument.
1729 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1730 Set MSRx.SIE field.
1731 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1732
17331999-11-15 Dave Brolley <brolley@cygnus.com>
1734
1735 * traps.c (frv_mtrap): New function.
1736 (frvbf_media_cr_not_aligned): New function.
1737 (frvbf_media_acc_not_aligned): New function.
1738 (frvbf_media_overflow): New function.
1739 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1740 * interrupts.c: Call frv_set_mp_exception_registers.
1741 (frv_set_mp_exception_registers): New function.
1742 * frv-sim.h (frv_msr_mtt): New enumeration.
1743 (GET_MSR): New macro.
1744 (SET_MSR): New macro.
1745 (GET_MSR_AOVF): New macro.
1746 (SET_MSR_AOVF): New macro.
1747 (GET_MSR_OVF): New macro.
1748 (SET_MSR_OVF): New macro.
1749 (CLEAR_MSR_OVF): New macro.
1750 (GET_MSR_MTT): New macro.
1751 (SET_MSR_MTT): New macro.
1752 (frv_set_mp_exception_registers): New function.
1753 (frv_mtrap): New function.
1754 (FRV_IS_MEDIA_INSN): New macro.
1755 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1756
17571999-11-10 Dave Brolley <brolley@cygnus.com>
1758
1759 * sim-main.h (_sim_cpu): Add debug_state member.
1760 * mloop.in (_parallel_write_queued): Clear data_written.length.
1761 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1762 handler is 0xff.
1763 (frv_queue_break_interrupt): New function.
1764 (frv_break_interrupt): New function.
1765 (handle_interrupt): Handle break_interrupt.
1766 (frv_non_operating_interrupt): Now takes interrupt_kind.
1767 * frv-sim.h (frv_queue_break_interrupt): New function.
1768 (frv_break_interrupt): New function.
1769 (frv_break): New function.
1770 (frv_non_operating_interrupt): Now takes interrupt_kind.
1771 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1772
17731999-11-09 Dave Brolley <brolley@cygnus.com>
1774
1775 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1776 a floating point insn.
1777 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1778 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1779 frv_queue_fp_exception_interrupt.
1780 (frv_queue_fp_exception_interrupt): New function.
1781 (next_available_fq): New function.
1782 (set_fp_exception_registers): New function.
1783 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1784 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1785 (frv_program_interrupt): Don't process interrupt if it is masked.
1786 * frv.c (frvbf_h_fr_double_get_handler): Call
1787 frv_queue_fp_exception_interrupt.
1788 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1789 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1790 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1791 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1792 (frv_fp_exception_info): New struct type.
1793 (frv_interrupt_queue_element): Add fp_info member.
1794 (frv_fsr_traps): New enumeration.
1795 (frv_fsr_ftt): New enumeration.
1796 (frv_sie): New enumeration.
1797 (frv_miv): New enumeration.
1798 (GET_FSR): New macro.
1799 (SET_FSR): New macro.
1800 (GET_FSR_TEM): New macro.
1801 (SET_FSR_QNE): New macro.
1802 (SET_FSR_FTT): New macro.
1803 (GET_FSR_AEXC): New macro.
1804 (SET_FSR_AEXC): New macro.
1805 (GET_FQ): New macro.
1806 (SET_FQ): New macro.
1807 (SET_FQ_OPC): New macro.
1808 (SET_FQ_MIV): New macro.
1809 (SET_FQ_SIE): New macro.
1810 (SET_FQ_FTT): New macro.
1811 (SET_FQ_CEXC): New macro.
1812 (GET_FQ_VALID): New macro.
1813 (SET_FQ_VALID): New macro.
1814 (frv_queue_fp_exception_interrupt): New function.
1815 (FRV_IS_FLOAT_INSN): New macro.
1816
18171999-11-04 Dave Brolley <brolley@cygnus.com>
1818
1819 * traps.c (frvbf_fpu_error): No floating point errors need to be
1820 detected.
1821 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1822 of the ESR registers too.
1823 (set_exception_status_registers): Don't set EAR for any precise
1824 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1825 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1826 (non_operating_interrupt): No need for return code.
1827 (frv_program_or_software_interrupt): Process interrupt regardless
1828 of operating mode. If PSR.ET was not set at the start of processing,
1829 then stop the simulation with a message.
1830 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1831 CGEN_MEM_XI_WRITE.
1832 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1833 (frvbf_h_fr_quad_set_handler): New function.
1834 (frvbf_h_cpr_quad_set_handler): New function.
1835 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1836 sim_queue_fn_xi_write.
1837 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1838 sim_queue_fn_xi_write.
1839 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1840 sim_queue_fn_xi_write.
1841 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1842 sim_queue_mem_xi_write.
1843 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1844 sim_queue_mem_xi_write.
1845 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1846 sim_queue_mem_xi_write.
1847 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1848 (frvbf_h_fr_quad_set_handler): New function.
1849 (frvbf_h_cpr_quad_set_handler): New function.
1850 (SET_ESR_VALID): New macro.
1851 (CLEAR_ESR_VALID): New macro.
1852 (CLEAR_ESR_EAV): New macro.
1853 (CLEAR_ESR_EDV): New macro.
1854 * sem.c: Regenerate.
1855
18561999-11-02 Dave Brolley <brolley@cygnus.com>
1857
1858 * traps.c (frv_core_signal): Call
1859 frv_queue_mem_address_not_aligned_interrupt.
1860 * mloop.in (_parallel_write_queued): Call
1861 frv_save_data_written_for_interrupts.
1862 * frv.c (frvbf_h_gr_double_get_handler): Call
1863 frv_queue_register_exception_interrupt.
1864 (frvbf_h_cpr_double_get_handler): Call
1865 frv_queue_register_exception_interrupt.
1866 (frvbf_h_cpr_double_set_handler): Call
1867 frv_queue_register_exception_interrupt.
1868 (frvbf_load_multiple_GR): Call
1869 frv_queue_register_exception_interrupt.
1870 (frvbf_store_multiple_GR): Call
1871 frv_queue_register_exception_interrupt.
1872 (frvbf_load_multiple_CPR): Call
1873 frv_queue_register_exception_interrupt.
1874 (frvbf_store_multiple_CPR): Call
1875 frv_queue_register_exception_interrupt.
1876 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1877 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1878 queue element.
1879 (frv_queue_program_interrupt): Now returns interrupt queue element.
1880 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1881 element.
1882 (frv_queue_interrupt): Now returns interrupt queue element.
1883 (frv_queue_register_exception_interrupt): New function.
1884 (frv_queue_mem_address_not_aligned_interrupt): New function.
1885 (frv_save_data_written_for_interrupts): New function.
1886 (next_available_edr): EDR registers available in blocks of 4.
1887 (clear_exception_status_registers): New function.
1888 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1889
1890 * frv-sim.h (struct frv_data_written): New struct type.
1891 (frv_interrupt_queue_element): Add data_written member.
1892 (frv_queue_software_interrupt): Now returns interrupt queue element.
1893 (frv_queue_program_interrupt): Now returns interrupt queue element.
1894 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1895 element.
1896 (frv_queue_interrupt): Now returns interrupt queue element.
1897 (frv_queue_register_exception_interrupt): New function.
1898 (frv_queue_mem_address_not_aligned_interrupt): New function.
1899 (frv_save_data_written_for_interrupts): New function.
1900
19011999-10-27 Dave Brolley <brolley@cygnus.com>
1902
1903 * interrupts.c (ITABLE_ENTRY): New macro.
1904 (frv_interrupt_table): Add exception codes.
1905 (next_available_esr): New function.
1906 (next_available_edr): New function.
1907 (set_edr_register): New function.
1908 (set_exception_status_registers): New function.
1909 (check_for_compound_interrupt): Record information on all interrupts
1910 found.
1911 (frv_program_interrupt): Always call check_for_compound_interrupt.
1912 * frv.c (frvbf_h_pc_set_handler): Removed.
1913 (frvbf_h_spr_get_handler): Handle LR register.
1914 (frvbf_h_spr_set_handler): Handle LR register.
1915 (frvbf_h_lr_get_handler): New function.
1916 (frvbf_h_lr_set_handler): New function.
1917 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1918 (frvbf_h_lr_set_handler): New function.
1919 (frv_ec): New enumeration.
1920 (frv_interrupt): Add frv_ec field.
1921 (frv_rec): New enumeration.
1922 (frv_daec): New enumeration.
1923 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1924 (SET_ESR_EC): New macro.
1925 (SET_ESR_REC): New macro.
1926 (SET_ESR_IAEC): New macro.
1927 (SET_ESR_DAEC): New macro.
1928 (SET_ESR_EAV): New macro.
1929 (GET_ESR_EDV): New macro.
1930 (SET_ESR_EDV): New macro.
1931 (GET_ESR_EDN): New macro.
1932 (SET_ESR_EDN): New macro.
1933 (GET_ESR): New macro.
1934 (SET_ESR): New macro.
1935 (SET_EPCR): New macro.
1936 (SET_EAR): New macro.
1937 (SET_EDR): New macro.
1938 (GET_ESFR): New macro.
1939 (SET_ESFR): New macro.
1940 * cpu.c,cpu.h,sem.c: Rebuild.
1941
19421999-10-26 Dave Brolley <brolley@cygnus.com>
1943
1944 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1945 if mach is frv.
1946 (clear_nesr_neear): Only execute if mach is frv.
1947
19481999-10-22 Dave Brolley <brolley@cygnus.com>
1949
1950 * sim-main.h (sim_cpu): Add pipeline.
1951 (CPU_PIPELINE): New macro.
1952 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1953 (main loop): Maintain pc in cpu.
1954 * frv-sim.h (frv_queue_software_interrupt): New interface.
1955 (frv_queue_program_interrupt): New interface.
1956 (frv_queue_illegal_instruction_interrupt: New interface.
1957 (frv_queue_interrupt): New interface.
1958 (frv_detect_insn_access_interrupts): New interface.
1959 (frv_process_interrupts): New interface.
1960 (frv_program_interrupt): New interface.
1961 (frv_software_interrupt): New interface.
1962 (frv_program_or_software_interrupt): New interface.
1963 (FRV_PIPELINE): Moved from pipline.c.
1964 (frv_pipeline_reset): New interface.
1965 (frv_pipeline_add_insn): New interface.
1966 * interrupts.c (frv_queue_software_interrupt): New interface.
1967 (frv_queue_program_interrupt): New interface.
1968 (frv_queue_illegal_instruction_interrupt: New interface.
1969 (frv_queue_interrupt): New interface.
1970 (frv_detect_insn_access_interrupts): New interface.
1971 (frv_process_interrupts): New interface.
1972 (frv_program_interrupt): New interface.
1973 (frv_software_interrupt): New interface.
1974 (frv_program_or_software_interrupt): New interface.
1975 * frv.c: Use new interfaces.
1976 * pipeline.c: Use new interfaces.
1977 * traps.c: Use new interfaces.
1978 * memory.c: Use new interfaces.
1979 (frv_address_forbidden): No longer static.
1980
19811999-10-19 Dave Brolley <brolley@cygnus.com>
1982
1983 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1984 NESR.EC.
1985 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1986 * frv.c (frvbf_h_pc_set_handler): New function.
1987 * interrupts.c (frv_detect_data_interrupt): Removed.
1988 (address_forbidden): Removed.
1989 * frv-sim.h (frv_detect_data_interrupt): Removed.
1990 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1991 (NESR_REGISTER_NOT_ALIGNED): New macro.
1992 (NESR_UQI_SIZE): New macro.
1993 (NESR_QI_SIZE): New macro.
1994 (NESR_UHI_SIZE): New macro.
1995 (NESR_HI_SIZE): New macro.
1996 (NESR_SI_SIZE): New macro.
1997 (NESR_DI_SIZE): New macro.
1998 (NESR_XI_SIZE): New macro.
1999 (GET_NESR_DAEC): New macro.
2000 (SET_NESR_DAEC): New macro.
2001 (GET_NESR_REC): New macro.
2002 (SET_NESR_REC): New macro.
2003 (GET_NESR_EC): New macro.
2004 (SET_NESR_EC): New macro.
2005 (frvbf_read_mem_QI): New function.
2006 (frvbf_read_mem_UQI): New function.
2007 (frvbf_read_mem_HI): New function.
2008 (frvbf_read_mem_UHI): New function.
2009 (frvbf_read_mem_SI): New function.
2010 (frvbf_read_mem_WI): New function.
2011 (frvbf_read_mem_DI): New function.
2012 (frvbf_read_mem_DF): New function.
2013 (frvbf_write_mem_QI): New function.
2014 (frvbf_write_mem_UQI): New function.
2015 (frvbf_write_mem_HI): New function.
2016 (frvbf_write_mem_UHI): New function.
2017 (frvbf_write_mem_SI): New function.
2018 (frvbf_write_mem_WI): New function.
2019 (frvbf_write_mem_DI): New function.
2020 (frvbf_write_mem_DF): New function.
2021 * Makefile.in (SIM_OBJS): Add memory.o.
2022 * cpu.c,cpu.h,sem.c: Rebuild.
2023
20241999-10-18 Dave Brolley <brolley@cygnus.com>
2025
2026 * sim-if.c (sim_open): Use a real fpu error function.
2027 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2028 * mloop.in (_parallel_write_queued): Clear queue after writing.
2029 * interrupts.c (check_for_compound_interrupt): New function.
2030 (non_operating_interrupt): New function.
2031 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2032 (frvbf_h_gr_double_set_handler): New function.
2033 (frvbf_h_fr_double_get_handler): New function.
2034 (frvbf_h_fr_double_set_handler): New function.
2035 (frvbf_h_cpr_double_get_handler): New function.
2036 (frvbf_h_cpr_double_set_handler): New function.
2037 (frv_interrupt_queue_element): New struct type.
2038 (frv_queue_program_interrupt): Now takes pc.
2039 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2040 (frv_queue_interrupt): Now takes pc.
2041 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2042 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2043 (frvbf_division_exception): New function.
2044 (frvbf_fpu_error): New function.
2045 (frvbf_load_multiple_GR): New function.
2046 (frvbf_load_multiple_FR): New function.
2047 (frvbf_load_multiple_CPR): New function.
2048 * frv.c (frvbf_h_gr_double_get_handler): New function.
2049 (frvbf_h_gr_double_set_handler): New function.
2050 (frvbf_h_fr_double_get_handler): New function.
2051 (frvbf_h_fr_double_set_handler): New function.
2052 (frvbf_h_cpr_double_get_handler): New function.
2053 (frvbf_h_cpr_double_set_handler): New function.
2054 (frv_interrupt_queue_element): New struct type.
2055 (frv_queue_program_interrupt): Now takes pc.
2056 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2057 (frv_queue_interrupt): Now takes pc.
2058 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2059 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2060 (frvbf_fpu_error): New function.
2061 (frvbf_load_multiple_GR): New function.
2062 (frvbf_load_multiple_FR): New function.
2063 (frvbf_load_multiple_CPR): New function.
2064 * traps.c (frvbf_division_exception): New function.
2065 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2066
20671999-10-12 Dave Brolley <brolley@cygnus.com>
2068
2069 * mloop.in (new_vpc): New variable.
2070 (main loop): Call frv_detect_insn_access_interrupts. Call
2071 frv_detect_data_interrupts.
2072 * interrupts.c (access_queued_to): New function.
2073 (frv_detect_data_interrupts): New function.
2074 (frv_detect_insn_access_interrupts): New function.
2075 (frv_program_or_software_interrupt): Set PSR.S.
2076 * frv-sim.h (frv_detect_data_interrupts): New function.
2077 (frv_detect_insn_interrupts): New function.
2078
20791999-10-07 Dave Brolley <brolley@cygnus.com>
2080
2081 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2082 (frvbf_h_gr_hi_set_handler): New function.
2083 (frvbf_h_gr_lo_get_handler): New function.
2084 (frvbf_h_gr_lo.set_handler): New function.
2085 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2086 (frvbf_h_gr_hi_set_handler): New function.
2087 (frvbf_h_gr_lo_get_handler): New function.
2088 (frvbf_h_gr_lo.set_handler): New function.
2089 (frvbf_model_fr500_u_integer): New function.
2090 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2091
20921999-10-04 Dave Brolley <brolley@cygnus.com>
2093
2094 * traps.c: Use sim_engine_abort.
2095 * pipeline.c (frv_pipeline): Add field for insn major.
2096 (add_next_to_pipe): Return address of matching pipeline.
2097 (find_major_in_pipeline): New function.
2098 (check_insn_major_constraints: New function.
2099 (frv_pipeline_add_insn): Add checks for insn major constraints.
2100 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2101 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2102
2103Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2104
2105 * pipeline.c: New file.
2106 * mloop.in (main loop): Call frv_pipeline_reset.
2107 Call frv_pipeline_add_insn.
2108 * frv-sim.h (frv_pipeline_reset): New function.
2109 (frv_pipeline_add_insn): New function.
2110 * Makefile.in (SIM_OBJS): Add pipeline.o
2111
21121999-09-29 Doug Evans <devans@casey.cygnus.com>
2113
2114 * sem.c: Rebuild.
2115 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2116 result to SEM_PC. Return vpc.
2117
2118Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2119
2120 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2121 (frv_queue_interrupt): Don't detect identical interrupts here.
2122
2123Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2124
2125 * interrupts.c: New file.
2126 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2127 (frv_software_interrupt): Moved to interrupts.c.
2128 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2129 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2130 (@cpu@_perform_writeback): New function.
2131 (main loop): Call frv_process_interrupts.
2132 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2133 (frv_itrap): New interface.
2134 (frv_interrupt_class): New enumeration.
2135 (frv_interrupt_kind): New enumeration.
2136 (struct frv_interrupt): New struct type.
2137 (frv_interrupt_table): New table of interrupt information.
2138 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2139 (struct frv_interrupt_state): New struct type.
2140 (frv_interrupt_state): New global variable.
2141 (previous_vliw_pc): New global variable.
2142 (frv_queue_software_interrupt): New function.
2143 (frv_queue_program_interrupt): New function.
2144 (frv_queue_interrupt): New function.
2145 (frv_process_interrupts): New function.
2146 (frv_program_interrupt): New function.
2147 (frv_software_interrupt): New function.
2148 (frv_program_or_software_interrupt): New function.
2149 (frv_clear_interrupt_classes): New function.
2150 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2151 * Makefile.in (SIM_OBJS): Add interrupts.o
2152 * sem.c: Rebuild.
2153
21541999-09-25 Doug Evans <devans@casey.cygnus.com>
2155
2156 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2157
2158Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2159
2160 * mloop.in (main loop): Determine last insn from scache entry.
2161 * cpu.h: Rebuild.
2162 * cpuall.h: Rebuild.
2163
2164Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2165
2166 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2167 (NECR_ELOS): Define as unshifted value.
2168 (NECR_NEN): Define as unshifted value.
2169 (NECR_VALID): Define as unshifted value.
2170 (SET_NESR): Rewite to use post-write queue.
2171 (SET_NESR_VALID): Rewite to operate on argument.
2172 (SET_NESR_EAV): Rewite to operate on argument.
2173 (SET_NESR_FR): Rewite to operate on argument.
2174 (CLEAR_NESR_FR): Rewite to operate on argument.
2175 (SET_NESR_DRN): Rewite to operate on argument.
2176 (SET_NESR_SIZE): Rewite to operate on argument.
2177 (SET_NESR_NEAN): Rewite to operate on argument.
2178 (SET_NEEAR): Rewite to use post-write queue.
2179 (SET_NE_FLAG): Rewite to use post-write queue.
2180 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2181 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2182 (frv_rett): Rewite to use post-write queue.
2183 (next_available_nesr): Rewrite to use new macro interfaces.
2184 (next_valid_nesr): Ditto.
2185 (frvbf_check_non_excepting_load): Ditto.
2186 (frvbf_check_recovering_store): Ditto.
2187 (clear_nesr_neear): Ditto.
2188 (clear_ne_flags): Ditto.
2189 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2190 when flag is set.
2191 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2192 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2193 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2194 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2195 * Makefile.in (frv.o): Depend on cgen-par.h.
2196
2197Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2198
2199 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2200 (frvbf_write_next_vliw_addr_to_LR): New flag.
2201 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2202 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2203 address of the next VLIW insn if flag is set.
2204 * cpu.h,decode.c,sem.c: Rebuild.
2205
2206Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2207
2208 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2209 * sem.c: Rebuild.
2210
22111999-09-02 Doug Evans <devans@casey.cygnus.com>
2212
2213 * configure: Regenerated to track ../common/aclocal.m4 changes.
2214
22151999-09-01 Doug Evans <devans@casey.cygnus.com>
2216
2217 * decode.c: Rebuild.
2218
2219Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2220
2221 * traps.c (frv_rett): New function.
2222 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2223 (frvbf_h_spr_set_handler): Handle bpsr.
2224 (frvbf_h_bpsr_get_handler): New function.
2225 (frvbf_h_bpsr_set_handler): New function.
2226 * frv-sim.h (frv_rett): New function.
2227 (frvbf_h_bpsr_get_handler): New function.
2228 (frvbf_h_bpsr_set_handler): New function.
2229 * mloop.in: Read actual packing bit.
2230 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2231
2232Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2233
2234 * traps.c (WANT_CPU): New macro.
2235 (WANT_CPU_FRVBF): New macro.
2236 (frvbf_check_recovering_store): Use registers for source and queue
2237 writes.
2238 * mloop.in: New main loop for parallel support.
2239 (@cpu@_parallel_write_init): New function.
2240 (@cpu@_parallel_write_queued): New function.
2241 * frv-sim.h (set_icc_for_shift_left): New interface.
2242 (set_icc_for_shift_right): New interface.
2243 (frvbf_check_recovering_store): New interface.
2244 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2245 (set_icc_for_shift_right): Pass and return icc value.
2246 (frvbf_check_recovering_store): New interface.
2247 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2248 (stamp-mloop): Add cgen parallel options.
2249 (stamp-arch): Remove with-profile option.
2250 (stamp-cpu): Add cgen parallel options.
2251 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2252
22531999-08-28 Doug Evans <devans@casey.cygnus.com>
2254
2255 * cpu.h,decode.c,sem.c: Rebuild.
2256
2257Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2258
2259 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2260
2261Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2262
2263 * configure.in: fr500 now the default model.
2264 * configure: Regenerate.
2265 * frv.c: Change frv-1 to frv-gen.
2266 (frvbf_model_fr500_u_exec): New function.
2267 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2268 * mloop.in: Fix typos in comments.
2269 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2270
22711999-08-17 Dave Brolley <brolley@cygnus.com>
2272
2273 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2274
22751999-08-09 Doug Evans <devans@casey.cygnus.com>
2276
2277 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2278
22791999-08-04 Doug Evans <devans@casey.cygnus.com>
2280
2281 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2282
2283Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2284
2285 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2286 (frvbf_store_register): Use GDB register number macros.
2287 (frvbf_cut): New function.
2288 * frv-sim.h (GR_REGNUM_MAX): New macro.
2289 (FR_REGNUM_MAX): New macro.
2290 (PC_REGNUM): New macro.
2291 (LR_REGNUM): New macro.
2292 (frvbf_cut): New function.
2293 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2294
22951999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2296
2297 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2298 add default for unhandled registers.
2299 (frvbf_store_register): Add ability to set LR register.
2300
23011999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2302
2303 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2304 (decode_gdb_dr_regnum): Remove, not used.
2305
23061999-07-13 Michael Meissner <meissner@cygnus.com>
2307
2308 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2309
2310 * configure.in (--enable-sim-trapdump): New switch to make unknown
2311 traps dump the register contents, instead of doing the trap thing.
2312 * configure: Regenerate.
2313
2314 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2315 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2316 temporarily.
2317
2318 * traps.h (toplevel): Include bfd.h, libiberity.h.
2319 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2320 dumping the registers.
2321
2322Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2323
2324 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2325
2326Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2327
2328 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2329
2330Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2331
2332 * frv.c (frvbf_square_root_SF): Removed.
2333 (frvbf_square_root_DF): Removed.
2334 (frvbf_h_fr_double_get_handler): Removed.
2335 (frvbf_h_fr_double_set_handler): Removed.
2336 (frvbf_h_fr_int_get_handler): Removed.
2337 (frvbf_h_fr_int_set_handler): Removed.
2338 * frv-sim.h (frvbf_square_root_SF): Removed.
2339 (frvbf_square_root_DF): Removed.
2340 (frvbf_h_fr_double_get_handler): Removed.
2341 (frvbf_h_fr_double_set_handler): Removed.
2342 (frvbf_h_fr_int_get_handler): Removed.
2343 (frvbf_h_fr_int_set_handler): Removed.
2344 * decode.c,decode.h,model.c,sem.c: Rebuild.
2345
23461999-07-05 Doug Evans <devans@casey.cygnus.com>
2347
2348 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2349 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2350 * sim-if.c (sim_open): Initialize fpu.
2351 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2352 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2353 with frvbf_h_fr_get.
2354
2355Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2356
2357 * frv-sim.h (NESR_RANGE): New macro.
2358 (NO_NESR): New macro.
2359 (GET_NESR_VALID): New macro.
2360 (next_ne_index): Removed.
2361 * traps.c (next_available_nesr): New function.
2362 (next_valid_nesr): New function.
2363 (frvbf_check_non_excepting_load): Use next_available_nesr.
2364 (frvbf_check_recovering_store): Use next_available_nesr and
2365 next_valid_nesr.
2366 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2367 (frvbf_check_recovering_store): Only consider one matching register.
2368 * sem.c: Rebuild.
2369
2370Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2371
2372 * frv.c (frvbf_square_root_SF): New function.
2373 (frvbf_square_root_DF): New function.
2374 (frvbf_h_fr_double_get_handler): New function.
2375 (frvbf_h_fr_double_set_handler): New function.
2376 * frv-sim.h (frvbf_square_root_SF): New function.
2377 (frvbf_square_root_DF): New function.
2378 (frvbf_h_fr_double_get_handler): New function.
2379 (frvbf_h_fr_double_set_handler): New function.
2380 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2381
23821999-06-28 Dave Brolley <brolley@cygnus.com>
2383
2384 * decode.c,decode.h,model.c,sem.c: Regenerate.
2385
2386Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2387
2388 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2389 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2390 (frvbf_h_fr_int_set_handler): New function.
2391 (frvbf_store_multiple_FRint): New function.
2392 (frvbf_square_root_SF): New function.
2393 * frv.c (frvbf_h_fr_int_get_handler): New function.
2394 (frvbf_h_fr_int_set_handler): New function.
2395 (frvbf_store_multiple_FRint): New function.
2396 (frvbf_square_root_SF): New function.
2397 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2398
23991999-06-23 Doug Evans <devans@casey.cygnus.com>
2400
2401 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2402 to genmloop.sh. Pass -scache instead.
2403 (mloop.o): Delete sem-switch.c dependency.
2404 (sem-switch.c): Delete rule.
2405 (stamp-cpu): Don't build sem-switch.c.
2406 * sem-switch.c: Delete.
2407 * mloop.in (xfull-exec-*): Fix call to execute.
2408 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2409
2410 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2411
2412Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2413
2414 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2415
2416Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2417
2418 * mloop.in (execute): Force gr0 to zero before each insn.
2419 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2420
24211999-06-18 Doug Evans <devans@casey.cygnus.com>
2422
2423 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2424
2425Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2426
2427 * frv.c (frvbf_h_gr_get_handler): New function.
2428 (frvbf_h_gr_set_handler): New function:
2429 (frvbf_store-multiple_GR): New function:
2430 (frvbf_store-multiple_FR): New function:
2431 (frvbf_store-multiple_CPR): New function:
2432 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2433 (frvbf_h_gr_set_handler): New function:
2434 (frvbf_store-multiple_GR): New function:
2435 (frvbf_store-multiple_FR): New function:
2436 (frvbf_store-multiple_CPR): New function:
2437 * traps.c (frv_itrap): Implement proper syscalls interface.
2438 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2439
2440Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2441
2442 * traps.c (frvbf_check_non_excepting_divide): New function.
2443 (frvbf_check_recovering_store): New function.
2444 (clear_nesr_neear): New function.
2445 (clear_ne_flags): New function.
2446 (frvbf_commit): New function.
2447
2448 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2449 (frvbf_check_recovering_store): New function.
2450 (clear_nesr_neear): New function.
2451 (clear_ne_flags): New function.
2452 (frvbf_commit): New function.
2453 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2454
24551999-06-16 Dave Brolley <brolley@cygnus.com>
2456
2457 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2458 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2459 * traps.c (next_ne_index): New variable.
2460 (frvbf_check_non_excepting_load): New function.
2461 * frv-sim.h (NECR_ELOS): New macro.
2462 (NECR_NEN): New macro.
2463 (NECR_VALID): New macro.
2464 (SET_NESR_VALID): New macro.
2465 (SET_NESR_EAV): New macro.
2466 (SET_NESR_FR): New macro.
2467 (CLEAR_NESR_FR): New macro.
2468 (SET_NESR_DRN): New macro.
2469 (SET_NESR_SIZE): New macro.
2470 (SET_NESR_NEAN): New macro.
2471 (SET_NEEAR): New macro.
2472 (GET_NE_FLAG): New macro.
2473 (SET_NE_FLAG): New macro.
2474 (CLEAR_NE_FLAG): New macro.
2475 (frvbf_check_non_excepting_load): New function:
2476 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2477
2478Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2479
2480 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2481
2482Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2483
2484 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2485 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2486
2487Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2488
2489 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2490
24911999-06-07 Dave Brolley <brolley@cygnus.com>
2492
2493 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2494
2495Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2496
2497 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2498
2499Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2500
2501 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2502
2503Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2504
2505 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2506
2507Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2508
2509 * traps.c (frv_software_interrupt): Pass current_cpu to
2510 frvbf_h_psr_esr_get.
2511 (frv_software_interrupt): Calculate the new PC based on TBR.
2512 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2513
25141999-05-31 Dave Brolley <brolley@cygnus.com>
2515
2516 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2517
2518Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2519
2520 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2521 (frvbf_h_cccr_set_handler): New function.
2522 (frvbf_scan_result): New function.
2523 (frvbf_cr_logic): New function.
2524 * frv.c (frvbf_h_cccr_get_handler): New function.
2525 (frvbf_h_cccr_set_handler): New function.
2526 (frvbf_scan_result): New function.
2527 (frvbf_cr_logic): New function.
2528 (cr_ops,cr_result,cr_logic): New table.
2529 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2530
25311999-05-25 Dave Brolley <brolley@cygnus.com>
2532
2533 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2534 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2535 (frv_psr_get_handler): New function.
2536 (frv_psr_set_handler): New function.
2537 (frv_tbr_get_handler): New function.
2538 (frv_tbr_set_handler): New function.
2539 (frvbf_h_ccr_get_handler): Add support for fCC.
2540 (frvbf_h_ccr_set_handler): Add support for fCC.
2541 * frv-sim.h (frv_psr_get_handler): New function.
2542 (frv_psr_set_handler): New function.
2543 (frv_tbr_get_handler): New function.
2544 (frv_tbr_set_handler): New function.
2545 * traps.c (frv_software_interrupt): Implement.
2546 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2547
2548Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2549
2550 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2551
25521999-05-18 Dave Brolley <brolley@cygnus.com>
2553
2554 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2555 (frvbf_set_icc_for_shift_right): New function.
2556 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2557 (frvbf_set_icc_for_shift_right): New function.
2558 (SETMEMSF): New Macro.
2559 (SETMEMDF): New Macro.
2560 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2561
2562Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2563
2564 * frv.c (frvbf_h_ccr_get_handler): New function.
2565 (frvbf_h_ccr_set_handler): New function.
2566 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2567
2568Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2569
2570 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2571 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2572 * frv.c: Likewise.
2573 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2574
25751999-05-10 Dave Brolley <brolley@cygnus.com>
2576
2577 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2578
2579Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2580
2581 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2582 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2583
2584Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2585
2586 * traps.c (frv_software_interrupt): New function.
2587 (frv_itrap): New function.
2588 * frv-sim.h (TRAP_SYSCALL): define as 0.
2589 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2590
2591Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2592
2593 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2594
2595Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2596
2597 * Directory created.
GDB Binutils - Deliverables
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