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2005-10-28 Dave Brolley <brolley@redhat.com>
[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
2b193c4a
MK		 12005-03-23 Mark Kettenis <kettenis@gnu.org>
2
3 * configure: Regenerate.
4
35695fd6
AC		 52005-01-14 Andrew Cagney <cagney@gnu.org>
6
7 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
8 explicit call to AC_CONFIG_HEADER.
9 * configure: Regenerate.
10
f0569246
AC		 112005-01-12 Andrew Cagney <cagney@gnu.org>
12
13 * configure.ac: Update to use ../common/common.m4.
14 * configure: Re-generate.
15
38f48d72
AC		 162005-01-11 Andrew Cagney <cagney@localhost.localdomain>
17
18 * configure: Regenerated to track ../common/aclocal.m4 changes.
19
b7026657
AC		 202005-01-07 Andrew Cagney <cagney@gnu.org>
21
22 * configure.ac: Rename configure.in, require autoconf 2.59.
23 * configure: Re-generate.
24
379832de
HPN		 252004-12-08 Hans-Peter Nilsson <hp@axis.com>
26
27 * configure: Regenerate for ../common/aclocal.m4 update.
28
45aa12b4
RS		 292004-08-27 Richard Sandiford <rsandifo@redhat.com>
30
31 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
32 * cpuall.h, model.c, sem.c: Regenerated.
33
676a64f4
RS		 342004-03-01 Richard Sandiford <rsandifo@redhat.com>
35
36 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
37 (profile-fr450.o): New dependency.
38 (stamp-cpu): Add fr450 to the list of machs.
39 * sim-frv.h (SPR_IS_ACC): New macro.
40 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
41 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
42 * frv.c (check_register_alignment, check_fr_register_alignment)
43 (check_memory_alignment, do_media_average): Likewise.
44 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
45 rather than a consecutive range.
46 * interrupts.c (frv_queue_illegal_instruction_interrupt)
47 (frv_queue_non_implemented_instruction_interrupt): Handle
48 bfd_mach_fr450.
49 * memory.c (check_data_read_address, check_readwrite_address)
50 (check_insn_read_address, check_write_address): Likewise.
51 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
52 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
53 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
54 * profile-fr450.c: New file.
55 * registers.c (fr450_spr): New array.
56 (frv_register_control_init): Check its size. Use it for fr450.
57 (frv_check_register_access): Handle bfd_mach_fr450.
58 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
59 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
60 (frvbf_media_acc_not_aligned): Likewise.
61 (frvbf_media_register_not_aligned): Likewise.
62 * arch.c: Regenerate.
63 * arch.h: Regenerate.
64 * cpu.h: Regenerate.
65 * cpuall.h: Regenerate.
66 * decode.h: Regenerate.
67 * model.c: Regenerate.
68
c7a48b9a
RS		 692004-03-01 Richard Sandiford <rsandifo@redhat.com>
70
71 * cache.c (frv_cache_init): Change fr400 cache statistics to match
72 the fr405.
73 (non_cache_access): Add missing breaks.
74 * interrupts.c (set_exception_status_registers): Always set EAR15
75 for data_access_errors.
76 * memory.c (fr400_check_write_address): Remove redundant alignment
77 check.
78 * model.c: Regenerate.
79
8b73069f
RS		 802004-03-01 Richard Sandiford <rsandifo@redhat.com>
81
82 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
83
8ae0baa2
RS		 842004-03-01 Richard Sandiford <rsandifo@redhat.com>
85
86 * decode.c, decode.h, model.c, sem.c: Regenerate.
87
d74c4203
KB		 882003-11-24 Kevin Buettner <kevinb@redhat.com>
89
90 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
91 (SPR_REGNUM_MAX): Delete.
92 * frv.c (gdb/sim-frv.h): Include.
93 (frvbf_fetch_register, frvbf_store_register): Use register number
94 constants from gdb/sim-frv.h. Check availability of general
95 purpose and float registers.
96
0b01870b
DB		 972003-11-03 Dave Brolley <brolley@redhat.com>
98
99 * cache.c (address_interference): Check for higher priority requests
100 in the same pipeline.
101
9a29f3ca
DB		 1022003-10-31 Dave Brolley <brolley@redhat.com>
103
162cec1b 104 * frv-sim.h (LR_REGNUM): Removed.
073926e5 105 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 106 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 107 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 108 Return 0 for an unimplemented register. Return the length of the data
109 for an implemented register.
110 (frvbf_store_register): Ditto.
111
fc0a2244
AC		 1122003-10-30 Andrew Cagney <cagney@redhat.com>
113
114 * traps.c: Replace "struct symbol_cache_entry" with "struct
115 bfd_symbol".
116
29a79ca0
DB		 1172003-10-10 Dave Brolley <brolley@redhat.com>
118
119 * cpu.h, sem.c: Regenerate.
120
e930b1f5
DB		 1212003-10-06 Dave Brolley <brolley@redhat.com>
122
123 * profile-fr550.[ch]: New files.
124 * configure.in: Move frv handling to alphabetically correct placement.
125 * Makefile.in: Add fr550 support.
126 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
127 profile.[ch],registers.c,traps.c: Add fr550 support.
128 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
129 Regenerate.
130
22f367a7
DB		 1312003-09-25 Dave Brolley <brolley@redhat.com>
132
133 * reset.c (frv_initialize): Call frv_register_control_init first.
134
1c453cd6
DB		 1352003-09-24 Dave Brolley <brolley@redhat.com>
136
137 * profile.h (update_FR_ptime): New prototype.
138 (update_FRdouble_ptime): Ditto.
139 (update_SPR_ptime): Ditto.
140 (increase_ACC_busy): Ditto.
141 (enforce_full_acc_latency): Ditto.
142 (post_wait_for_SPR): Ditto.
143 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
144 (update_FRdouble_ptime): Ditto.
145 (update_SPR_ptime): New function.
146 (increase_ACC_busy): Ditto.
147 (enforce_full_acc_latency): Ditto.
148 (vliw_wait_for_fdiv_resource): Correct resource name.
149 (vliw_wait_for_fsqrt_resource): Ditto.
150 (post_wait_for_SPR): New function.
151 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
152 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
153 adjust_float_register_busy.
154 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
155 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
156 registers.
157 (frvbf_model_fr500_u_float_arith): Ditto.
158 (frvbf_model_fr500_u_float_dual_arith): Ditto.
159 (frvbf_model_fr500_u_float_div): Ditto.
160 (frvbf_model_fr500_u_float_sqrt): Ditto.
161 (frvbf_model_fr500_u_float_convert): Ditto.
162 (update_FR_ptime): Moved to profile.c
163 (update_FRdouble_ptime): Moved to profile.c
164 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
165 for other machines.
166 (update_FRdouble_ptime): Ditto.
167 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
168
153431d6
DB		 1692003-09-12 Dave Brolley <brolley@redhat.com>
170
171 * registers.c (frv_check_spr_read_access): Check for access to
172 ACC4-ACC63 and ACCG4-ACCG63.
173 * profile.h (frv-desc.h): #include it.
174 (spr_busy): New member of FRV_PROFILE_STATE.
175 (spr_latency): Ditto.
176 (GNER_FOR_GR): New macro.
177 (FNER_FOR_FR): New maccro.
178 (update_SPR_latency): New function.
179 (vliw_wait_for_SPR): New function.
93938d47 180 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 181 (update_target_latencies): Ditto.
182 (update_SPR_latency): New function.
183 (vliw_wait_for_SPR): New function.
184 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
185 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
186 (frvbf_model_fr500_u_check): Ditto.
187 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
188 (frvbf_model_fr500_u_clrfr): Ditto.
189 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
190 (frvbf_model_fr500_u_gr2spr): Ditto.
191 * frv-sim.h (H_SPR_ACC4): New macro.
192 (H_SPR_ACCG4): New macro;
193 (H_SPR_ACC0): Removed.
194 (H_SPR_ACCG0): Removed.
195 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
196
ba9c4053
DB		 1972003-09-10 Dave Brolley <brolley@redhat.com>
198
199 * profile.c (slot_names): FM1 was listed twice. Changed first
200 instance to FM0. Added IALL, FMALL and FMLOW.
201 (print_parallel): Don't examine slots with no insns.
202
f9e18f5a
DB		 2032003-09-09 Dave Brolley <brolley@redhat.com>
204
205 * frv.c (do_media_average): Select machine using a switch.
206
d89a78b6
DB		 2072003-09-08 Dave Brolley <brolley@redhat.com>
208
209 On behalf of Doug Evans <dje@sebabeach.org>
210 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
211 Remove copying of .cpu file to cgen/cpu, no longer needed.
212
d03ea14f
DB		 2132003-09-03 Dave Brolley <brolley@redhat.com>
214
215 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
216
e8d2f504
DB		 2172003-08-29 Dave Brolley <brolley@redhat.com>
218
219 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
220 temporarily when regenerating files.
221 (stamp-cpu): Ditto.
222
b34f6357
DB		 2232003-08-20 Micheal Snyder <msnyder@redhat.com>
224
225 * All generated files: Regenerate.
226
2272001-10-11 Dave Brolley <brolley@redhat.com>
228
229 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
230
2312001-10-09 Dave Brolley <brolley@redhat.com>
232
233 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
234 not set.
235 * reset.c (frv_hardware_reset): Invalidate both caches.
236 * registers.c: Update init, reset and read-only masks for all registers
237 on all machines.
238 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
239 (prev_gr_complex): New field of FRV_PROFILE_STATE
240 (set_use_is_gr_complex): New function.
241 (set_use_not_gr_complex): New function.
242 (use_is_gr_complex): New function.
243 (decrease_GR_busy): New function.
244 * profile.c (reset_gr_flags): New function.
245 (reset_cc_flags): New function.
246 (set_use_is_gr_complex): New function.
247 (set_use_not_gr_complex): New function.
248 (use_is_gr_complex): New function.
249 (update_latencies): Reset gr and cc flags when latency reaches 0.
250 (decrease_GR_busy): New function.
251 * profile-fr400.h (fr500_reset_acc_flags): Removed.
252 (fr500_reset_cc_flags): New function.
253 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
254 LSI version 1.41.
255 * profile-fr400.h (fr400_reset_gr_flags): New function.
256 (fr400_reset_fr_flags): New function.
257 (fr400_reset_acc_flags): New function.
258 * profile-fr400.c (set_use_not_media_p4): New function.
259 (set_use_not_media_p6): New function.
260 (set_acc_use_not_media_p2): New function.
261 (set_acc_use_not_media_p4): New function.
262 (fr400_reset_gr_flags): New function.
263 (fr400_reset_fr_flags): New function.
264 (fr400_reset_acc_flags): New function.
265 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
266 (frvbf_model_fr400_u_media_hilo): New function.
267 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
268 * memory.c (fr400_check_data_read_address): Check address range only
269 for double word loads. Don't check alignment here.
270 (fr400_check_readwrite_address): New function.
271 (fr500_check_readwrite_address): New function.
272 (check_readwrite_address): New function.
273 (fr500_check_insn_read_address): Correct address ranges.
274 (frvbf_read_mem_*): Check address range here.
275 (frv_address_forbidden): Removed.
276 (fr400_check_write_address): New function.
277 (check_write_address): New function.
278 (frvbf_write_mem_*): Don't check address range here.
279 (frvbf_mem_set_*): Check address range here.
280 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
281 address as second argument.
282 (frv_queue_data_access_exception_interrupt): New function.
283 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
284 media insns on fr400.
285 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
286 for media insns on fr400.
287 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
288 of insns here. Check for MTRAP insn if PSR.EM is not set.
289 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
290 set.
291 (set_exception_status_registers): Do not always set EPCR. Set EAR for
292 data_acess_error only if not fr400.
293 * frv.c (do_media_average): New function.
294 (frvbf_media_average): New function.
295 (frvbf_insn_cache_invalidate): Check for illegal invocation.
296 (frvbf_data_cache_invalidate): Ditto.
297 (frvbf_data_cache_flush): Ditto.
298 * frv-sim.h (GET_FSR_QNE): New macro.
299 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
300 (GET_MSR_SRDAV): New macro.
301 (GET_MSR_RDAV): New macro.
302 (GET_MSR_RD): New macro.
303 (frv_queue_data_access_error_interrupt): Now takes an address as second
304 argument.
305 (frv_address_forbidden): Removed.
306 * cache.c (non_cache_access): Correct address ranges. Now takes cache
307 as first argument.
308 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
309
3102001-08-20 Dave Brolley <brolley@redhat.com>
311
312 * sim-main.h (_sim_cpu): New field 'elf_flags'.
313 * sim-if.c (sim_open): Extract the elf_flags from the input file and
314 save them with each cpu.
315 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
316 last_insn_p before executing the insn.
317 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
318 insn cache.
319 (frv_cache_invalidate_all): Ditto.
320
3212001-08-20 Richard Sandiford <rsandifo@redhat.com>
322
323 * traps.c (syscall_read_mem): Flush the data cache before reading.
324 (syscall_write_mem): Flush the data cache before writing.
325 Invalidate both caches.
326
3272001-07-05 Ben Elliston <bje@redhat.com>
328
329 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
330 (stamp-cpu): Likewise.
331
3322001-05-23 Dave Brolley <brolley@redhat.com>
333
334 * profile-fr400.c (acc_use_is_media_p2): New function.
335 (frvbf_model_fr400_u_media_2): Account for latency of output
336 accumulators.
337 (frvbf_model_fr400_u_media_2_quad): Ditto.
338 (frvbf_model_fr400_u_media_2_acc): New function.
339 (frvbf_model_fr400_u_media_2_acc_dual): New function.
340 (frvbf_model_fr400_u_media_2_add_sub): New function.
341 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
342 (frvbf_model_fr400_u_media_3_dual): New function.
343 (frvbf_model_fr400_u_media_4_acc_dual): New function.
344 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
345
3462001-05-15 Dave Brolley <brolley@redhat.com>
347
348 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
349 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
350 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
351 (request_cache_flush): Save 'all' argument.
352 (request_cache_invalidate): Save all_cache_entries from profile state
353 to 'all' field of the request.
354 (submit_cache_request): Pass the 'all' field of the request to
355 frv_cache_request_invalidate.
356 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
357 operation even if HSR0.ICE is not set.
358 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
359 operation even if HSR0.DCE is not set.
360 (frv_data_cache_flush): Ditto.
361 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
362 (frv_data_cache_invalidate): Add new 'all' parameter.
363 (frv_data_cache_flush): Add new 'all' parameter.
364 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
365 (frv_cache_request_invalidate): Add new 'all' parameter.
366 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
367 its value in the invalidate request.
368 (address_interference): Accept the value '-1' for the address argument
369 to mean 'any address'.
370 (handle_req_invalidate): Handle request to invalidate all cache lines.
371 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
372
3732001-05-14 Dave Brolley <brolley@redhat.com>
374
375 * profile.h (past_first_p): New field of profiling state.
376 (branch_penalty): Ditto.
377 (branch_hint): Ditto.
378 (update_branch_penalty): New function.
379 * profile.c (frvbf_model_insn_after): Reset past_first_p and
380 branch_address fields of the profiling state.
381 (frvbf_model_branch): New function.
382 (update_branch_penalty): New function.
383 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
384 FCCi_3 inputs.
385 (frvbf_model_fr500_u_trap): New function.
386 (frvbf_model_fr500_u_check): New function.
387 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
388 cycles.
389 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
390 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
391 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
392 documented in teh fr400 LSI.
393 (frvbf_model_fr400_u_media_dual_htob): Ditto.
394 (frvbf_model_fr400_u_media_dual_unpack): Removed.
395 (frvbf_model_fr500_u_trap): New function.
396 (frvbf_model_fr500_u_check): New function.
397 * mloop.in (simulate_dual_insn_prefetch): New function.
398 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
399 arguments for each machine type.
400 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
401
4022001-05-09 Dave Brolley <brolley@redhat.com>
403
404 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
405 (profile-fr400.o): New target.
406 * profile.c: New file.
407 * profile.h: New file.
408 * profile-fr400.c: New file.
409 * profile-fr400.h: New file.
410 * profile-fr500.c: New file.
411 * profile-fr500.h: New file.
412 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
413
4142001-05-02 Dave Brolley <brolley@redhat.com>
415
416 * sim-main.h (profile.h): #include it.
417 (CPU_PROFILE_STATE): New macro.
418 (profile_state): New frv specific cpu field.
419 * reset.c (frv_initialize): insn_fetch_address and branch_address now
420 part of global profiling state.
421 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
422 (SIM_EXTRA_DEPS): Add profile.h.
423 (registers.o): Correct name of source file.
424 (profile.o): New target.
425 (profile-fr500.o): New target.
426 * frv-sim.h: Move profile related data structures to profile.h.
427 * frv.c: Move fr500 specific functions to profile-fr500.c.
428 * cpu.h: Regenerated.
429
4302001-04-27 Dave Brolley <brolley@redhat.com>
431
432 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
433 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
434 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
435 Rename PIPE_* to UNIT_*.
436 (frv_queue_illegal_instruction_interrupt): Use
437 frv_is_float_insn and frv_is_media_insn.
438 (frv_queue_non_implemented_instruction_interrupt): Ditto.
439 (frv_detect_insn_access_interrupts): Ditto.
440 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
441 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
442 * memory.c: Ditto.
443 * pipeline.c: Ditto.
444 * mloop.in: Ditto.
445 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
446 * cache.c: Rename PIPE_* to UNIT_*.
447
4482001-04-24 Dave Brolley <brolley@redhat.com>
449
450 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
451 (frvbf_load_quad_FRint): Ditto.
452 (frvbf_load_quad_CPR): Ditto.
453 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
454 machines.
455 (bfd.h): #include it.
456 (non_cache_access): Update for revised fr500 and for fr400.
457 * registers.c (frv_spr): Don't reset PSR.PS.
458 (fr500_spr): Ditto.
459 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
460
4612001-04-23 Dave Brolley <brolley@redhat.com>
462
463 * traps.c (frv_core_signal): On fr400, generate data_access_error.
464 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
465 (frvbf_media_acc_not_aligned): Ditto.
466 (frvbf_media_register_not_aligned): Ditto.
467 (frvbf_division_exception): Use GET_ISR_EDE.
468 * registers.c (frv_check_spr_read_access): New function.
469 (frv_check_spr_write_access): New function.
470 (frv_check_spr_access): Deleted.
471 (frv_check_register_access): On fr400, generate illegal_instruction.
472 * memory.c (fr400_check_data_read_address): New function.
473 (fr500_check_data_read_address): Ditto.
474 (check_data_read_address): Ditto.
475 (fr400_check_insn_read_address): Ditto.
476 (fr500_check_insn_read_address): Ditto.
477 (check_insn_read_address): Ditto.
478 (frvbf_read_mem_QI): Call check_data_read_access.
479 (frvbf_read_mem_UQI): Ditto.
480 (frvbf_read_mem_HI): Ditto.
481 (frvbf_read_mem_UHI): Ditto.
482 (frvbf_read_mem_SI): Ditto.
483 (frvbf_read_mem_DI): Ditto.
484 (frvbf_read_mem_DF): Ditto.
485 (frvbf_read_imem_USI): Call check_insn_read_access.
486 (frv_address_forbidden): Now takes cpu as first argument. Check based
487 on machine type.
488 (fr400_mem_address_unaligned): New function.
489 (fr500_mem_address_unaligned): Ditto.
490 (check_write_address): Ditto.
491 (frvbf_mem_set_QI): Call check_write_address.
492 (frvbf_mem_set_HI): Ditto.
493 (frvbf_mem_set_SI): Ditto.
494 (frvbf_mem_set_DI): Ditto.
495 (frvbf_mem_set_DF): Ditto.
496 (frvbf_mem_set_XI): Ditto.
497 * interrupts.c (bfd.h): #include it.
498 (frv_queue_data_access_error_interrupt): New function.
499 (frv_queue_instruction_access_error_interrupt): New function.
500 (frv_queue_instruction_access_exception_interrupt): New function.
501 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
502 (frv_queue_non_implemented_instruction_interrupt): Ditto.
503 (frv_detect_insn_access_interrupts): Reorder tests to match priority
504 from the LSI manual.
505 (set_isr_exception_fields): Accumulate dtt bits.
506 * frv.c (check_register_alignment): New function.
507 (check_fr_register_alignment): New function.
508 (check_memory_alignment): New function.
509 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
510 (frvbf_h_gr_double_set_handler): Ditto.
511 (frvbf_h_cpr_double_get_handler): Ditto.
512 (frvbf_h_cpr_double_set_handler): Ditto.
513 (frvbf_h_gr_quad_set_handler): Ditto.
514 (frvbf_h_cpr_quad_set_handler): Ditto.
515 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
516 (frvbf_h_fr_double_set_handler): Ditto.
517 (frvbf_h_fr_quad_set_handler): Ditto.
518 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
519 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
520 (frvbf_load_quad_GR): Call check_memory_aligment.
521 (frvbf_load_quad_FRint): Ditto.
522 (frvbf_load_quad_CPR): Ditto.
523 (frvbf_store_quad_GR): Call check_memory_aligment and
524 check_register_alignment.
525 (frvbf_store_quad_FRint): Ditto.
526 (frvbf_store_quad_CPR): Ditto.
527 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
528 * frv-sim.h (H_SPR_ACC0): New macro.
529 (H_SPR_ACC63): New macro.
530 (H_SPR_ACCG0): New macro.
531 (H_SPR_ACCG63): New macro.
532 (frv_dtt): New enumerator.
533 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
534 (GET_ISR_DTT): New macro.
535 (frv_queue_data_access_error_interrupt): New function.
536 (frv_queue_instruction_access_error_interrupt): New function.
537 (frv_queue_instruction_access_exception_interrupt): New function.
538 (frv_address_forbidden): Now takes cpu as first argument.
539 * cpu.h: Regenerate.
540
5412001-04-10 Dave Brolley <brolley@redhat.com>
542
543 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
544 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
545 (fr400_spr): Implement SPR registers for fr400.
546 (frv_register_control_init): Handle bfd_mach_fr400 properly.
547 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
548 (spr_psr_get_handler): Ditto.
549 (spr_ccr_get_handler): Ditto.
550 (spr_cccr_get_handler): Ditto.
551 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
552 * frv-sim.h: Update comment about MCCR_* macros.
553 * cpu.c,cpu.h: Regenerate.
554
5552001-04-05 Dave Brolley <brolley@redhat.com>
556
557 * cpu.h,decode.c,model.c,sem.c: Regenerate.
558
5592001-04-05 Dave Brolley <brolley@redhat.com>
560
561 * reset.c: Update copyright.
562 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
563 * frv.c (frvbf_model_fr400_u_exec): New function.
564 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
565 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
566 Regenerate.
567
5682000-11-22 Dave Brolley <brolley@redhat.com>
569
570 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
571 Regenerate.
572
5732000-11-10 Dave Brolley <brolley@redhat.com>
574
575 * decode.c: Regenerate.
576
5772000-09-12 Dave Brolley <brolley@redhat.com>
578
579 * traps.c (frv_sim_engine_halt_hook): New function.
580 (frv_itrap): Caches now invalidated in sim_engine_halt via
581 SIM_ENGINE_HALT_HOOK.
582 (frv_break): Ditto.
583 * sim-main.h (frv_sim_engine_halt_hook): New function.
584 (SIM_ENGINE_HALT_HOOK): New macro.
585 (SIM_ENGINE_RESTART_HOOK): New macro.
586 * interrupts.c: Call to frv_term now done within sim_engine_halt via
587 SIM_ENGINE_HALT_HOOK.
588
5892000-09-08 Dave Brolley <brolley@redhat.com>
590
591 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
592 respectively when stopping for a breakpoint.
593 (frv_break): Ditto.
594 * cache.h (frv_cache_invalidate_all): New function.
595 * cache.c (frv_cache_invalidate_all): New function.
596
5972000-09-05 Dave Brolley <brolley@redhat.com>
598
599 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
600 sim_handle_breakpoint. Otherwise if environment != operating call
601 sim_engine_halt. Otherwise handle normally.
602 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
603 breakpoints here. Moved to frv_break in traps.c.
604
605 * sem.c: Regenerate.
606
6072000-09-01 Dave Brolley <brolley@redhat.com>
608
609 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
610 before queuing an interrupt in order to allow 'break' to be used as
611 the breakpoint insn.
612
6132000-08-29 Dave Brolley <brolley@redhat.com>
614
615 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
616
6172000-07-27 Dave Brolley <brolley@redhat.com>
618
619 * cpu.h,decode.c: Rebuild.
620
6212000-07-26 Dave Brolley <brolley@redhat.com>
622
623 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
624 (spr_cccr_set_handler): Change CRx to CCx.
625 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
626
6272000-07-24 Dave Brolley <brolley@redhat.com>
628
629 * sem.c: Regenerate.
630 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
631 Don't write it directly.
632
633Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
634
635 * configure: Regenerated to track ../common/aclocal.m4 changes.
636
6372000-07-05 Ben Elliston <bje@redhat.com>
638
639 * configure: Regenerated to track ../common/aclocal.m4 changes.
640
6412000-06-28 Dave Brolley <brolley@redhat.com>
642
643 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
644
6452000-06-21 Dave Brolley <brolley@redhat.com>
646
647 * pipeline.c: All code except frv_pipeline_setup_insn moved to
648 frv.opc.
649 * mloop.in (main loop): frv_pipeline_add_insn broken up into
650 frv_pipeline_add_insn and frv_pipeline_setup_insn.
651 * frv-sim.h: Move pipeline status code to frv.opc.
652 * model.c: Regenerate.
653
6542000-06-12 Dave Brolley <brolley@redhat.com>
655
656 * options.c (frv_option_handler): --profile-parallel implies
657 --profile-model.
658 * mloop.in (fetch_buffer): Removed.
659 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
660 run_caches. Use cache directly if not counting cycles. Don't use
661 cache at all if not counting cycles and cache not enabled.
662 * frv.c (frv_insn_fetch_buffer): New global variable.
663 (run_caches): Monitor the status of insn prefetch requests.
664 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
665 (frv_insn_fetch_buffer): New global variable.
666
6672000-06-12 Dave Brolley <brolley@redhat.com>
668
669 * mloop.in (fetch_buffer): New static struct.
670 (@cpu@_simulate_insn_prefetch): Rewritten.
671 * cache.c (frv_cache_request_invalidate): Don't invalidate return
672 buffer.
673 (address_interference): Defer to any WAR request in either pipeline.
674
6752000-06-09 Dave Brolley <brolley@redhat.com>
676
677 * pipeline.c (insns_in_slot): New Array.
678 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
679 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
680 option.
681 (parse_cache_option): New function.
682 (frv_option_handler): Call parse_cache_option.
683 * frv.c (vliw_branch_taken): New variable.
684 (vliw_load_stall): New variable.
685 (handle_resource_wait): Update vliw_load_stall.
686 (frvbf_model_insn_before): Initialize vliw_branch_taken and
687 vliw_load_stall.
688 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
689 (load_wait_for_FR): Update vliw_load_stall.
690 (load_wait_for_GR): Update vliw_load_stall.
691 (load_wait_for_FRdouble): Update vliw_load_stall.
692 (load_wait_for_GRdouble): Update vliw_load_stall.
693 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
694 (slot_names): New static array.
695 (print_parallel): Now takes second argument 'verbose'. Print cycles per
696 VLIW insn and instructions per cycle. Also tabulate the number of insns
697 in each type of VLIW slot.
698 (frv_profile_info): Call print_parallel with new second argument.
699 * frv-sim.h (insn_in_slot): New array.
700 (COUNT_INSNS_IN_SLOT): New macro.
701 (INSNS_IN_SLOT): New macro.
702 * cache.c: Remove references to non_blocking_count. Remove references to
703 last_was_hit. Remove references to req_none.
704 (handle_req_store): Adjust statistics before requeuing the store
705 request.
706 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
707 * cache.h: Remove references to non_blocking_count. Remove references to
708 last_was_hit. Remove references to req_none.
709 * model.c: Regenerate.
710
7112000-06-08 Dave Brolley <brolley@redhat.com>
712
713 * frv.c (request_complete): Copy load data from the correct return
714 buffer.
715
7162000-06-07 Dave Brolley <brolley@redhat.com>
717
718 * traps.c (frv_core_signal): Call frv_term before exiting.
719 (frv_itrap): Call frv_term before exiting.
720 (next_available_nesr): Make sure NECR is implemented before reading it.
721 (next_valid_nesr): Ditto.
722 (frvbf_check_non_excepting_load): Ditto.
723 (frvbf_clear_ne_flags): Ditto.
724 (frvbf_commit): Ditto.
725 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
726 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
727 store_flag members.
728 (CPU_LOAD_ADDRESS): New macro.
729 (CPU_LOAD_LENGTH): New macro.
730 (CPU_LOAD_SIGNED): New macro.
731 (CPU_LOAD_LOCK): New macro.
732 * reset.c (frv_term): New function.
733 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
734 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
735 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
736 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
737 the insn. Model the insn in two passes. One before and one after
738 execution.
739 (cache_reqno): new static variable.
740 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
741 cache rather than assuming a fixed latency.
742 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
743 enabled so that modeling data is collected by cgen during execution.
744 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
745 * memory.c (data_non_cache_access): Removed.
746 (insn_non_cache_access): Removed.
747 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
748 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
749 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
750 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
751 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
752 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
753 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
754 (frvbf_read_imem_USI): Read the cache or ememory passively.
755 (frvbf_write_mem_QI): Don't check for non-cache access here.
756 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
757 (frvbf_write_mem_HI): Don't check for non-cache access here.
758 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
759 (frvbf_write_mem_SI): Don't check for non-cache access here.
760 (frvbf_write_mem_DI): Don't check for non-cache access here.
761 (frvbf_write_mem_DF): Don't check for non-cache access here.
762 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
763 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
764 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
765 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
766 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
767 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
768 * interrupts.c (check_reset): Read the cache and memory passively.
769 (frv_program_or_software_interrupt): Call frv_term before calling
770 sim_engine_halt.
771 * frv.c (all modeling functions): Break into two passes. One before
772 execuetion and one after. call load_wait_for_* for all GR and FR
773 registers.
774 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
775 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
776 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
777 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
778 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
779 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
780 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
781 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
782 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
783 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
784 (model_insn): New global variable.
785 (fr_ptime): New array.
786 (cache_request): New enumeration.
787 (CACHE_QUEUE_ELEMENT): New struct type.
788 (CACHE_QUEUE_SIZE): New macro.
789 (cache_queue): New static struct.
790 (request_cache_load): New function.
791 (request_cache_flush): New function.
792 (request_cache_invalidate): New function.
793 (request_cache_preload): New function.
794 (request_cache_unlock): New function.
795 (submit_cache_request): New function.
796 (activate_cache_requests): New function.
797 (load_pending_for_register): New function.
798 (flush_pending_for_address): New function.
799 (remove_cache_queue_element): New function.
800 (copy_load_data): New function.
801 (request_complete): New function.
802 (run_caches): New function.
803 (frv_model_trace_wait_cycles): New function.
804 (wait_for_flush): New function.
805 (frvbf_model_insn_before): Insn prefect wait now modeled in
806 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
807 wait_for_flush.
808 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
809 vliw_insns here anymore.
810 (update_FR_latency_for_load): New function.
811 (update_FRdouble_latency_for_load): New function.
812 (update_FR_ptime): New function.
813 (update_FRdouble_ptime): New function.
814 (update_GR_latency_for_swap): New function.
815 (load_wait_for_GR): New function.
816 (load_wait_for_FR): New function.
817 (load_wait_for_GRdouble): New function.
818 (load_wait_for_FRdouble): New function.
819 (frvbf_model_fr500_u_ici): New function.
820 (frvbf_model_fr500_u_dci): New function.
821 (frvbf_model_fr500_u_dcf): New function.
822 (frvbf_model_fr500_u_icpl): New function.
823 (frvbf_model_fr500_u_dcpl): New function.
824 (frvbf_model_fr500_u_icul): New function.
825 (frvbf_model_fr500_u_dcul): New function.
826 * frv-sim.h (frv_term): New function.
827 (insn_non_cache_access): Removed.
828 (FRV_COUNT_CYCLES): New macro.
829 (frv_save_peofile_model_p): New global variable.
830 (model_insn): New enumerated global variable.
831 (frv_model_advance_cycles): New function.
832 (frv_model_trace_wait_cycles): New function.
833 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
834 (FRV_CACHE_WAR_REQUEST): New struct type.
835 (FRV_CACHE_STORE_REQUEST): New struct type.
836 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
837 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
838 (FRV_CACHE_REQUEST): New struct type.
839 (FRV_CACHE_RETURN_BUFFER): New struct type.
840 (FRV_CACHE_FLUSH_STATUS): New struct type.
841 (FRV_CACHE_STATUS): New struct type.
842 (FRV_CACHE_STAGE): New struct type.
843 (FRV_CACHE_STAGES): New enumeration.
844 (FRV_CACHE_WAR): New struct type.
845 (FRV_CACHE_PIPELINE): New struct type.
846 (FRV_CACHE_ARS): New struct type.
847 (FRV_CACHE_STATISTICS): New struct type.
848 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
849 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
850 (CACHE_RETURN_DATA_ADDRESS): New macro.
851 (frv_cache_read): Now takes pipe index as second argument.
852 (frv_cache_enabled): New function.
853 (frv_cache_request_load): New function.
854 (frv_cache_request_store): New function.
855 (frv_cache_request_invalidate): New function.
856 (frv_cache_request_preload): New function.
857 (frv_cache_request_unlock): New function.
858 (frv_cache_run): New function.
859 (frv_cache_read_passive_SI): New function.
860 (frv_cache_data_in_buffer): New function.
861 (frv_cache_data_flushed): New function.
862 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
863 (frv_cache_enabled): New function.
864 (non_cache_access): New function.
865 (write_data_to_memory): Count write accesses for each mode. Write to
866 memory using sim_core_write_unaligned_1;
867 (read_data_from_memory): New function.
868 (fill_line_from_memory): Use read_data_from_memory.
869 (copy_line_to_return_buffer): New function.
870 (copy_memory_to_return_buffer): New function.
871 (set_return_buffer_reqno): New function.
872 (frv_cache_read): Now takes pipe index as second argument. Check for
873 non-cache access.
874 (frv_cache_preload): Check for non-cache access.
875 (frv_cache_unlock): Check for non-cache access.
876 (invalidate_return_buffer): New function.
877 (frv_cache_invalidate): Check for non-cache access.
878 (convert_slot_to_index): New function.
879 (FREE_CHAIN_SIZE): New macro.
880 (frv_cache_request_free_chain): New static variable.
881 (frv_store_request_free_chain): New static variable.
882 (allocate_new_cache_requests): New function.
883 (new_cache_request): New function.
884 (free_cache_request): New function.
885 (new_store_request): New function.
886 (pipeline_remove_request): New function.
887 (pipeline_add_request): New function.
888 (pipeline_requeue_request): New function.
889 (next_priority): New function.
890 (add_WAR_request): New function.
891 (pipeline_next_request): New function.
892 (pipeline_stage_request): New function.
893 (advance_pipelines): New function.
894 (frv_cache_request_load): New function.
895 (frv_cache_request_store): New function.
896 (frv_cache_request_invalidate): New function.
897 (frv_cache_request_preload): New function.
898 (frv_cache_request_unlock): New function.
899 (address_interference): New function.
900 (wait_for_WAR): New function.
901 (wait_in_WAR): New function.
902 (handle_req_load): New function.
903 (handle_req_preload): New function.
904 (handle_req_store): New function.
905 (handle_req_invalidate): New function.
906 (handle_req_unlock): New function.
907 (handle_req_WAR): New function.
908 (arbitrate_requests): New function.
909 (move_ARS_to_WAR): New function.
910 (decrease_latencies): New function.
911 (frv_cache_run): New function.
912 (frv_cache_read_passive_SI): New function.
913 (frv_cache_data_in_buffer): New function.
914 (frv_cache_data_flushed): New function.
915 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
916
917Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
918
919 * configure: Regenerated to track ../common/aclocal.m4 changes.
920
9212000-05-19 Dave Brolley <brolley@redhat.com>
922
923 * traps.c (frv_rett): Check for exceptions in the order specified in the
924 architecture spec. Allow privileged_instruction interrrupt to be handled
925 normally.
926 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
927 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
928 to clear the NE flag.
929 (frvbf_model_tomcat_u_exec): New function.
930 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
931 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
932 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
933
9342000-05-18 Dave Brolley <brolley@redhat.com>
935
936 * sim-if.c (elf-bfd.h): #include it.
937 (sim_open): Set machine amd architecture based on elf flags.
938
9392000-04-04 Dave Brolley <brolley@redhat.com>
940
941 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
942 Delete '#if 0' blocks.
943 * frv.c: Delete '#if 0' blocks.
944 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
945 PSR.S and PSR.ESR.
946 (frv_h_psr_esr_set_handler): Removed.
947 * interrupts.c: Delete '#if 0' blocks.
948 * memory.c: Delete '#if 0' blocks.
949 * cpu.c,cpu.h: Regenerate.
950
9512000-04-03 Dave Brolley <brolley@redhat.com>
952
953 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
954 containing the target address.
955 (clear_nesr_neear): No longer takes hi_available and lo_available.
956 Remove bogus check for available GR registers.
957 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
958 (frvbf_commit): Update call to clear_nesr_neear.
959 * interrupts.c (next_available_esr): Removed.
960 (next_available_edr): Removed.
961 (next_available_fq): Removed.
962 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
963 (frvbf_store_register): Remove "FIXME" comment.
964 * frv-sim.h (UART_INCHAR_ADDR): Removed.
965 (UART_OUTCHAR_ADDR): Removed.
966 (UART_STATUS_ADDR): Removed.
967 (UART_INPUT_READY): Removed.
968 (UART_OUTPUT_READY): Removed.
969 (FRV_DEVICE_ADDR): Removed.
970 (FRV_DEVICE_LEN): Removed.
971 (SET_NESR): Call frvbf_force_update.
972 (SET_NEEAR): Call frvbf_force_update.
973 (SET_NE_FLAGS): Call frvbf_force_update.
974
9752000-03-30 Dave Brolley <brolley@redhat.com>
976
977 * configure: Regenerated.
978
9792000-03-30 Dave Brolley <brolley@redhat.com>
980
981 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
982 * memory.c (frvbf_write_mem_*): Save slot containing the insn
983 performing the write.
984 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
985 queue element with the information in the interrupt state.
986 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
987 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
988 (frv_set_interrupt_queue_slot): New function.
989 (esr_for_data_access_exception): New function.
990 (set_edr_register): edr_index is now passed in.
991 (fq_for_exception): New function.
992 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
993 element now passed in.
994 (set_exception_status_registers): Obtain slot from interrupt queue
995 element. Call esr_for_data_access_exception. Use ESR14
996 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
997 (frv_save_data_written_for_interrupts): Save slot containing the insn
998 performing the write.
999 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1000 frv_fsr_ftt.
1001 (struct frv_interrupt_state): Add 'slot' field.
1002 (frv_set_interrupt_queue_slot): New function.
1003 (frv_set_write_queue_slot): New function.
1004
10052000-03-24 Dave Brolley <brolley@redhat.com>
1006
1007 * mloop.in (_parallel_write_init): Initialize
1008 frv_interrupt_state.imprecise_interrupt.
1009 (_parallel_write_queued): After an imprecise interrupt, only perform
1010 forced writes and floating point writes (for certain exceptions).
1011 * interrupts.c (handle_interrupt): Set
1012 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1013 interrupt.
1014 (frv_process_interrupts): No need to clear f_ne_flags.
1015 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1016 force them to happen even if there is an overflow exception.
1017 (frvbf_force_update): New function.
1018 * frv-sim.h (frvbf_force_update): New function.
1019 (struct frv_interrupt_state): Add imprecise_interrupt.
1020 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1021 * sem.c: Regenerate.
1022
10232000-03-23 Dave Brolley <brolley@redhat.com>
1024
1025 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1026 * registers.c (frv_spr): MCIRL -> MCILR.
1027 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1028 New function.
1029 (frv_detect_insn_access_interrupts):
1030 Call frv_queue_non_implemented_instruction_interrupt.
1031 (frv_process_interrupts): Clear accumulated NE flags.
1032 * frv.c (frvbf_media_cop): New function.
1033 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1034 the NE flag of the given target register.
1035 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1036 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1037 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1038 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1039 (frvbf_model_fr500_u_float_dual_convert): New function.
1040 * frv-sim.h (frvbf_media_cop): New function.
1041 (GET_FQ): Use H_SPR_FQST0.
1042 (SET_FQ): Use H_SPR_FQST0.
1043 (SET_FQ_OPC): Use J_SPR_FQOP0.
1044 (GET_MSR_EMCI): New macro.
1045 (frv_queue_non_implemented_instruction_interrupt): New function.
1046 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1047
10482000-03-08 Dave Brolley <brolley@redhat.com>
1049
1050 * traps.c (frv_rett): Align new_pc.
1051 * memory.c (frvbf_read_mem_HI): Align address.
1052 (frvbf_read_mem_UHI): Align address.
1053 (frvbf_read_mem_SI): Align address.
1054 (frvbf_read_mem_DI): Align address.
1055 (frvbf_read_mem_DF): Align address.
1056 (frvbf_read_imem_USI): Align address.
1057 (frvbf_mem_set_HI): Align address.
1058 (frvbf_mem_set_SI): Align address.
1059 (frvbf_mem_set_DI): Align address.
1060 (frvbf_mem_set_DF): Align address.
1061 (frvbf_mem_set_XI): Align address.
1062 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1063 (fr500_spr): Initialize FSR0.NS to 1.
1064 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1065 whether the exception is masked.
1066 * frv.c (frvbf_load_quad_GR): Align address.
1067 (frvbf_store_quad_GR): Align address.
1068 (frvbf_load_quad_FRint): Align address.
1069 (frvbf_store_quad_FRint): Align address.
1070 (frvbf_load_quad_CPR): Align address.
1071 (frvbf_store_quad_CPR): Align address.
1072 * frv-sim.h (GET_ISR_EMAM): New macro.
1073
10742000-03-08 Dave Brolley <brolley@redhat.com>
1075
1076 * traps.c (frvbf_division_exception): Check for masked overflow and
1077 set NE flags, if necessary.
1078 (frvbf_check_recovering_store): Queue writes to the hardware.
1079 (check_registers_available): Removed.
1080 (which_registers_available): Call frv_{fr,gr}_registers_available.
1081 (frvbf_clear_ne_flags): Call check_register_access.
1082 (frvbf_commit): Call check_register_access.
1083 * registers.h (frv_fr_registers_available): New function.
1084 (frv_gr_registers_available): New function.
1085 (frv_check_register_access): New function.
1086 (frv_check_gr_access): New function.
1087 (frv_check_fr_access): New function.
1088 * registers.c (frv_spr): Correct initial value of ISR.
1089 (fr500_spr): Correct initial value of ISR.
1090 (frv_fr_registers_available): New function.
1091 (frv_gr_registers_available): New function.
1092 (frv_check_register_access): New function.
1093 (frv_check_gr_access): New function.
1094 (frv_check_fr_access): New function.
1095 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1096 (set_isr_exception_fields): New function.
1097 (set_exception_status_registers): Set ISR fields for division exception.
1098 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1099 * frv.c (frvbf_h_gr_get_handler): New function.
1100 (frvbf_h_gr_set_handler): New function.
1101 (frvbf_h_fr_get_handler): New function.
1102 (frvbf_h_fr_set_handler): New function.
1103 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1104 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1105 (spr_isr_get_handler): Removed.
1106 (spr_isr_set_handler): Removed.
1107 (frvbf_signed_integer_divide): New funciton.
1108 (frvbf_unsigned_integer_divide): New funciton.
1109 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1110 (frvbf_h_gr_set_handler): New function.
1111 (frvbf_h_fr_get_handler): New function.
1112 (frvbf_h_fr_set_handler): New function.
1113 (frvbf_signed_integer_divide): New funciton.
1114 (frvbf_unsigned_integer_divide): New funciton.
1115 (frv_dtt): New enumeration.
1116 (struct frv_interrupt_queue_element): Add dtt member.
1117 (GET_ISR): New macro.
1118 (SET_ISR): New macro.
1119 (GET_ISR_EDEM): New macro.
1120 (SET_ISR_DTT): New macro.
1121 (SET_ISR_AEXC): New macro.
1122 (frvbf_division_exception): Add 2 'int' arguments.
1123 (frvbf_check_non_excepting_divide): Removed.
1124 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1125
11262000-02-29 Dave Brolley <brolley@redhat.com>
1127
1128 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1129 (frv_rett): Use hardware access macros. Write PSR as a whole.
1130 (next_available_nesr): Check that NECR is valid.
1131 (next_valid_nesr): Check that NECR is valid.
1132 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1133 call hardware access functions. Use cover macros.
1134 (check_registers_available): New function.
1135 (clear_nesr_near): Check register availability.
1136 (clear_ne_flags): Check register availability.
1137 (frvbf_clear_ne_flags): Check register availability.
1138 (frvbf_commit): Check register availability.
1139 (which_registers_available): New function.
1140 * sim-main.h (registers.h): #include it.
1141 (register_control): New cpu field.
1142 (CPU_REGISTER_CONTROL): New macro.
1143 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1144 (frv_power_on_reset): Initialize SPR registers and RSTR.
1145 (frv_hardware_reset): Initialize SPR registers and RSTR.
1146 (frv_software_reset): Reset SPR registers and RSTR.
1147 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1148 Call frv_cache_init.
1149 * mloop.in (main loop): Check for insn access interrupts before
1150 executing the insn.
1151 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1152 (frv_detect_insn_access_interrupts): Don't call hardware access
1153 functions directly. Use cover macros.
1154 (check_reset): Don't reset RSTR here.
1155 (next_available_esr): ESFR -> ESFR_FLAG.
1156 (next_available_edr): ESFR -> ESFR_FLAG.
1157 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1158 ESFR -> ESFR_FLAG.
1159 (frv_break_interrupt): Don't call hardware access functions directly.
1160 Use cover macros.
1161 (frv_program_or_software_interrupt): Ditto.
1162 (frv_external_interrupt): Ditto.
1163 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1164 (frvbf_store_register): Don't call 'set' functions directly.
1165 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1166 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1167 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1168 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1169 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1170 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1171 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1172 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1173 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1174 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1175 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1176 Support shadow registers.
1177 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1178 Support shadow registers.
1179 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1180 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1181 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1182 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1183 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1184 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1185 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1186 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1187 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1188 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1189 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1190 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1191 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1192 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1193 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1194 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1195 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1196 version 1.3a.
1197 (spr_ccr_get_handler): Don't reference the hardware directly.
1198 (spr_ccr_set_handler): Don't reference the hardware directly.
1199 (spr_cccr_get_handler): Don't reference the hardware directly.
1200 (spr_cccr_set_handler): Don't reference the hardware directly.
1201 (spr_sr_get_handler): New function.
1202 (spr_sr_set_handler): New function.
1203 (frvbf_switch_supervisor_user_context): Temporarily switch to
1204 supervisor mode.
1205 (frvbf_store_quad_GR): Don't call handler directly.
1206 (frvbf_store_quad_FRint): Don't call handler directly.
1207 (frvbf_store_quad_CPR): Don't call handler directly.
1208 (frvbf_clear_all_accumulators): Removed.
1209 (frvbf_clear_accumulators): New function.
1210 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1211 Account for in_ACCGi and out_ACCGk.
1212 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1213 (RSTR_SOFTWARE_RESET): New macro.
1214 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1215 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1216 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1217 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1218 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1219 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1220 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1221 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1222 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1223 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1224 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1225 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1226 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1227 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1228 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1229 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1230 (frvbf_clear_all_accumulators): Removed.
1231 (frvbf_clear_accumulators): New function.
1232 (GET_HSR0): Use GET_H_SPR.
1233 (SET_HSR0): Use SET_H_SPR.
1234 (CLEAR_HSR0_ICE): New macro.
1235 (CLEAR_HSR0_DCE): New macro.
1236 (GET_IHSR8): Use GET_H_SPR.
1237 (GET_PSR): New macro.
1238 (SET_PSR_ET): New macro.
1239 (GET_PSR_PS): New macro.
1240 (SET_PSR_S): New macro.
1241 (GET_ESFR): Changed to reference entire register.
1242 (SET_ESFR): Changed to reference entire register.
1243 (GET_ESFR_FLAG): New macro.
1244 (SET_ESFR_FLAG): New macro.
1245 (NECR_ELOS): Removed.
1246 (NECR_NEN): Removed.
1247 (NECR_VALID): Removed.
1248 (GET_NECR): New macro.
1249 (GET_NECR_ELOS): New macro.
1250 (GET_NECR_NEN): New macro.
1251 (GET_NECR_VALID): New macro.
1252 (NESR_RANGE): Removed.
1253 (GET_NESR): Use GET_H_SPR.
1254 (GET_NE_FLAGS): Use GET_H_SPR.
1255 * cache.h (CACHE_INITIALIZED): New macro.
1256 * Makefile.in (SIM_OBJS): Add registers.o.
1257 (SIM_EXTRA_DEPS): Add registers.h.
1258 (registers.o): New target.
1259 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1260
12612000-02-17 Dave Brolley <brolley@redhat.com>
1262
1263 * interrupts.c (frv_interrupt_table): Update priority order and handler
1264 offsets to conform to the architecture version 1.3a.
1265 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1266 to the architecture version 1.3a.
1267
12682000-02-17 Dave Brolley <brolley@redhat.com>
1269
1270 * interrupts.c (frv_interrupt_table): Update priority order and handler
1271 offsets to conform to the latest specifications.
1272 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1273 queued. New variable 'iclass' used to test for external interrupts.
1274 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1275 to the latest specifications.
1276
12772000-01-20 Dave Brolley <brolley@redhat.com>
1278
1279 * sim-if.c (sim_open): Move frv-specific initialization to
1280 frv_initialize in reset.c.
1281 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1282 status bits for hardware vs software reset.
1283 * reset.c: New file.
1284 * frv-sim.h (frv_initialize): New function.
1285 (frv_power_on_reset): New function.
1286 (frv_hardware_reset): New function.
1287 (frv_software_reset): New function.
1288 (RSTR_ADDRESS): New macro.
1289 (RSTR_INITIAL_VALUE): New macro.
1290 (GET_RSTR_HR): New macro.
1291 (GET_RSTR_SR): New macro.
1292 (SET_RSTR_H): New macro.
1293 (SET_RSTR_S): New macro.
1294 (CLEAR_RSTR_P): New macro.
1295 (CLEAR_RSTR_H): New macro.
1296 (CLEAR_RSTR_S): New macro.
1297 (CLEAR_RSTR_HR): New macro.
1298 (CLEAR_RSTR_SR): New macro.
1299
13002000-01-03 Dave Brolley <brolley@cygnus.com>
1301
1302 * mloop.in (execute): Only call modeling function if the pointer is not
1303 NULL.
1304 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1305 fr500.
1306
13072000-01-03 Dave Brolley <brolley@cygnus.com>
1308
1309 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1310 (frv_options): Add --memory-latency.
1311 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1312 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1313 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1314 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1315 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1316 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1317 (update_latencies): Only clear usage flags if the register has no
1318 target latency.
1319 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1320 not |= (or assgnment).
1321 (frvbf_model_insn_after): Print post processing wait for all insns.
1322 Update prev_acc_p1 and prev_acc_p2.
1323 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1324 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1325 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1326 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1327 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1328 (frvbf_model_fr500_u_media_quad_arith): New function.
1329 (frvbf_model_fr500_u_media_dual_mul): New function.
1330 (frvbf_model_fr500_u_media_quad_mul): New function.
1331 (frvbf_model_fr500_u_media_quad_complex): New function.
1332 (frvbf_model_fr500_u_media_dual_expand): New function.
1333 (frvbf_model_fr500_u_media_dual_unpack): New function.
1334 (frvbf_model_fr500_u_media_dual_btoh): New function.
1335 (frvbf_model_fr500_u_media_dual_htob): New function.
1336 (frvbf_model_fr500_u_media_dual_btohe): New function.
1337 (frv_ref_SI): New function.
1338 * cache.h (FRV_CACHE): Add memory_latency field.
1339 * cache.c (frv_cache_init): Initialize memory_latency.
1340 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1341
13421999-12-17 Dave Brolley <brolley@cygnus.com>
1343
1344 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1345 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1346 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1347 (OPTIONS_FRV_TIMER): New enumeration.
1348 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1349 (frv_option_handler): Override common implementation of -p. Handle
1350 --profile-cache, --profile-parallel, --timer.
1351 * mloop.in (execute): Call profiling functions if the timer interrupt
1352 is enabled.
1353 (@cpu@_simulate_insn_prefetch): New function.
1354 (main loop): Call @cpu@_simulate_insn_prefetch.
1355 * interrupts.c (frv_queue_interrupt): Don't queue two external
1356 interrupts of the same priority.
1357 (frv_queue_external_interrupt): New function.
1358 (frv_external_interrupt): New function.
1359 (handle_interrupt): Handle external interrupts.
1360 (check_reset): New function.
1361 (frv_process_interrupts): Call check_reset.
1362 * frv.c: Include "bfd.h"
1363 (frvbf_h_psr_get_handler): Set the PIL field.
1364 (frvbf_h_psr_set_handler): Get the PIL field.
1365 (DUAL_REG): New macro.
1366 (DUAL_DOUBLE): New macro.
1367 (SET_USE_IS_FPOP): New macro.
1368 (SET_USE_NOT_FPOP): New macro.
1369 (USE_IS_FPOP): New macro.
1370 (SET_USE_IS_MEDIA): New macro.
1371 (SET_USE_NOT_MEDIA): New macro.
1372 (USE_IS_MEDIA_P1): New macro.
1373 (SET_USE_IS_MEDIA_P1): New macro.
1374 (SET_USE_NOT_MEDIA_P1): New macro.
1375 (SET_USE_IS_MEDIA_P2): New macro.
1376 (SET_USE_NOT_MEDIA_P2): New macro.
1377 (USE_IS_MEDIA_P2): New macro.
1378 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1379 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1380 (ACC_USE_IS_MEDIA_P1): New macro.
1381 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1382 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1383 (ACC_USE_IS_MEDIA_P2): New macro.
1384 (RESOURCE_IDIV): New macro.
1385 (RESOURCE_FDIV): New macro.
1386 (RESOURCE_SQRT): New macro.
1387 (fr_busy_adjust): New array.
1388 (acc_busy_adjust): New array.
1389 (apply_latency_adjustments): New function.
1390 (update_latencies): New function.
1391 (handle_wait_cycles): New function.
1392 (handle_resource_wait): New function.
1393 (update_target_latencies): New function.
1394 (frvbf_model_insn_before): Add resource latency to cycle counts.
1395 (frvbf_model_insn_after): Add resource latency to cycle counts.
1396 (update_GR_latency): New function.
1397 (update_GRdouble_latency): New function.
1398 (update_FR_latency): New function.
1399 (update_FRdouble_latency): New function.
1400 (decrease_ACC_busy): New function.
1401 (decrease_FR_busy): New function.
1402 (increase_FR_busy): New function.
1403 (update_ACC_latency): New function.
1404 (update_CCR_latency): New function.
1405 (update_idiv_resource_latency): New function.
1406 (update_fdiv_resource_latency): New function.
1407 (update_fsqrt_resource_latency): New function.
1408 (vliw_wait_for_GR): New function.
1409 (vliw_wait_for_GRdouble): New function.
1410 (vliw_wait_for_FR): New function.
1411 (vliw_wait_for_FRdouble): New function.
1412 (vliw_wait_for_CCR): New function.
1413 (vliw_wait_for_ACC): New function.
1414 (vliw_wait_for_idiv_resource): New function.
1415 (vliw_wait_for_fdiv_resource): New function.
1416 (vliw_wait_for_fsqrt_resource): New function.
1417 (enforce_full_fr_latency): New function.
1418 (frvbf_model_fr500_u_exec): New function.
1419 (frvbf_model_fr500_u_integer): New function.
1420 (frvbf_model_fr500_u_imul): New function.
1421 (frvbf_model_fr500_u_idiv): New function.
1422 (frvbf_model_fr500_u_branch): New function.
1423 (frvbf_model_fr500_u_set_hilo): New function.
1424 (frvbf_model_fr500_u_gr_load_store): New function.
1425 (frvbf_model_fr500_u_fr_load_store): New function.
1426 (frvbf_model_fr500_u_swap): New function.
1427 (frvbf_model_fr500_u_fr2fr): New function.
1428 (frvbf_model_fr500_u_fr2gr): New function.
1429 (frvbf_model_fr500_u_spr2gr): New function.
1430 (frvbf_model_fr500_u_gr2fr): New function.
1431 (frvbf_model_fr500_u_gr2spr): New function.
1432 (post_wait_for_FR): New function.
1433 (post_wait_for_FRdouble): New function.
1434 (post_wait_for_ACC): New function.
1435 (post_wait_for_CCR): New function.
1436 (post_wait_for_fdiv): New function.
1437 (post_wait_for_fsqrt): New function.
1438 (adjust_float_register_busy): New function.
1439 (adjust_double_register_busy): New function.
1440 (restore_float_register_busy): New function.
1441 (restore_double_register_busy): New function.
1442 (frvbf_model_fr500_u_float_arith): New function.
1443 (frvbf_model_fr500_u_float_dual_arith): New function.
1444 (frvbf_model_fr500_u_float_div): New function.
1445 (frvbf_model_fr500_u_float_sqrt): New function.
1446 (frvbf_model_fr500_u_float_compare): New function.
1447 (frvbf_model_fr500_u_float_dual_compare): New function.
1448 (frvbf_model_fr500_u_float_convert): New function.
1449 (frvbf_model_fr500_u_media): New function.
1450 (frvbf_model_fr500_u_barrier): New function.
1451 (frvbf_model_fr500_u_membar): New function.
1452 * frv-sim.h (LEUINT): New macro.
1453 (GET_HSR0_SA): New macro.
1454 (struct frv_interrupt_timer): New struct.
1455 (struct frv_interrupt_state): Add timer fiield.
1456 (frv_queue_external_interrupt): New function.
1457 (frv_external_interrupt): New function.
1458 (frv_profile_info): New function.
1459 (PROFILE_CACHE_IDX): New enumerator.
1460 (PROFILE_PARALLEL_IDX): New enumerator.
1461 (PROFILE_cache): New macro.
1462 (PROFILE_parallel): New macro.
1463 (WITH_PROFILE_CACHE_P): New macro.
1464 (WITH_PROFILE_PARALLEL_P): New macro.
1465 * cache.h (FRV_CACHE): Add last_was_hit field.
1466 * cache.c (get_tag): Use new last_was_hit field.
1467 (frv_cache_read): Ditto.
1468 (frv_cache_write): Ditto.
1469 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1470
14711999-12-13 Dave Brolley <brolley@cygnus.com>
1472
1473 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1474 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1475 sim_queue_fn_di_write.
1476 (frvbf_media_cut_ss): New function.
1477 * frv-sim.h (frvbf_media_cut_ss): New function.
1478 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1479
14801999-12-13 Dave Brolley <brolley@cygnus.com>
1481
1482 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1483 no constraints.
1484 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1485 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1486 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1487 FRV_IS_MEDIA_INSN.
1488 * frv.c (frvbf_model_simple_u_exec): New function.
1489 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1490 (FRV_IS_MEDIA_INSN): Range includes M-8.
1491
1492 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1493 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1494 Regenerate.
1495
14961999-12-10 Dave Brolley <brolley@cygnus.com>
1497
1498 * traps.c (check_registers_available): New function.
1499 (clear_ne_flags): Generate register_exception if register(s) not
1500 available.
1501 (frvbf_commit): Generate register_exception if register(s) not
1502 available.
1503 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1504 GR4-GR7 to SR0-SR4.
1505 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1506 PSR.ESR.
1507 (frvbf_h_psr_s_set_handler): New function.
1508 (frvbf_h_psr_esr_set_handler): New function.
1509 (frvbf_switch_supervisor_user_context): New function.
1510 (frvbf_scan_result): Reflect latest ISA.
1511 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1512 (frvbf_h_psr_esr_set_handler): New function.
1513 (frvbf_switch_supervisor_user_context): New function.
1514 (GET_HSR0_FRN): New Macro.
1515 (GET_HSR0_GRN): New Macro.
1516 (GET_HSR0_FRHE): New Macro.
1517 (GET_HSR0_FRLE): New Macro.
1518 (GET_HSR0_GRHE): New Macro.
1519 (GET_HSR0_GRLE): New Macro.
1520 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1521 (GET_ESFR): New bit ordering.
1522 (SET_ESFR): New bit ordering.
1523 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1524
15251999-12-10 Michael Meissner <meissner@cygnus.com>
1526
1527 * Makefile.in (sim-if.o): Add eng.h dependency.
1528
15291999-12-09 Dave Brolley <brolley@cygnus.com>
1530
1531 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1532 Pass sc->last_insn_p to @cpu@_model_insn_before.
1533 (main loop): Compute sc->first_insn_p.
1534 * frv.c (frvbf_model_insn_before): Set state variables.
1535 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1536 (frvbf_model_fr500_u_integer): Remove.
1537 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1538
15391999-12-07 Dave Brolley <brolley@cygnus.com>
1540
1541 * sim-main.h (cache.h): Include it.
1542 (insn_cache): New member.
1543 (data_cache): New member.
1544 (CPU_INSN_CACHE): New macro.
1545 (CPU_DATA_CACHE): New macro.
1546 * sim-if.c (WANT_CPU): New macro.
1547 (WANT_CPU_FRVBF): New macro.
1548 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1549 data and insn caches for each cpu.
1550 (sim_close): Call frv_cache_term for the insn and data caches of each
1551 cpu.
1552 * mloop.in (extract): Read insn from the cache.
1553 (main loop): Access the insn cache in order to maintain stats.
1554 * memory.c (data_non_cache_access): New function.
1555 (insn_non_cache_access): New function.
1556 (frvbf_read_mem_QI): Attempt to read from the cache first.
1557 (frvbf_read_mem_UQI): Ditto.
1558 (frvbf_read_mem_HI): Ditto.
1559 (frvbf_read_mem_UHI): Ditto.
1560 (frvbf_read_mem_SI): Ditto.
1561 (frvbf_read_mem_DI): Ditto.
1562 (frvbf_read_mem_DF): Ditto.
1563 (frvbf_read_imem_USI): New function.
1564 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1565 (frvbf_write_mem_UQI): Ditto.
1566 (frvbf_write_mem_HI): Ditto.
1567 (frvbf_write_mem_UHI): Ditto.
1568 (frvbf_write_mem_SI): Ditto.
1569 (frvbf_write_mem_DI): Ditto.
1570 (frvbf_write_mem_DF): Ditto.
1571 (frvbf_mem_set_QI): New function.
1572 (frvbf_mem_set_HI): New function.
1573 (frvbf_mem_set_SI): New function.
1574 (frvbf_mem_set_DI): New function.
1575 (frvbf_mem_set_DF): New function.
1576 (frvbf_mem_set_XI): New function.
1577 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1578 CGEN_FN_MEM_QI_WRITE,
1579 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1580 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1581 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1582 Call sim_queue_fn_mem_xi_write.
1583 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1584 Call sim_queue_fn_mem_xi_write.
1585 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1586 Call sim_queue_fn_mem_xi_write.
1587 (frvbf_insn_cache_preload): New function.
1588 (frvbf_data_cache_preload): New function.
1589 (frvbf_insn_cache_unlock): New function.
1590 (frvbf_data_cache_unlock): New function.
1591 (frvbf_insn_cache_invalidate): New function.
1592 (frvbf_data_cache_invalidate): New function.
1593 (frvbf_data_cache_flush): New function.
1594 * frv-sim.h (sim-options.h): Include it.
1595 (GET_HSR0): New macro.
1596 (SET_HSR0): New macro.
1597 (GET_HSR0_ICE): New macro.
1598 (SET_HSR0_ICE): New macro.
1599 (GET_HSR0_DCE): New macro.
1600 (SET_HSR0_DCE): New macro.
1601 (GET_HSR0_CBM): New macro.
1602 (GET_HSR0_RME): New macro.
1603 (GET_IHSR8): New macro.
1604 (GET_IHSR8_NBC): New macro.
1605 (frvbf_insn_cache_preload): New function.
1606 (frvbf_data_cache_preload): New function.
1607 (frvbf_insn_cache_unlock): New function.
1608 (frvbf_data_cache_unlock): New function.
1609 (frvbf_insn_cache_invalidate): New function.
1610 (frvbf_data_cache_invalidate): New function.
1611 (frvbf_data_cache_flush): New function.
1612 (insn_non_cache_access): New function.
1613 (frvbf_read_imem_USI): New function.
1614 (frvbf_mem_set_QI): New function.
1615 (frvbf_mem_set_HI): New function.
1616 (frvbf_mem_set_SI): New function.
1617 (frvbf_mem_set_DI): New function.
1618 (frvbf_mem_set_DF): New function.
1619 (frvbf_mem_set_XI): New function.
1620 (frv_options): FRV specific command line options.
1621 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1622 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1623 (cache.o): New target.
1624 (options.o): New target.
1625 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1626 * cache.h: New file.
1627 * cache.c: New file.
1628 * options.c: New file.
1629
16301999-11-29 Dave Brolley <brolley@cygnus.com>
1631
1632 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1633 (frvbf_check_non_excepting_divide): Ditto.
1634 (clear_ne_flags): Ditto
1635 (frvbf_commit): Ditto.
1636 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1637 * mloop.in (_parallel_write_init): Clear NE flags here.
1638 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1639 for non excepting insns. Also check for masked interrupts here.
1640 (frv_process_interrupts): Write NE flags here.
1641 (set_fp_exception_registers): No longer check for masked interrupts
1642 here.
1643 (check_for_compound_interrupt): No need to worry about masked
1644 interrupts.
1645 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1646 (GET_NE_FLAGS): New macro.
1647 (SET_NE_FLAGS): New macro.
1648 (GET_NE_FLAG): Operate on accumulated argument.
1649 (SET_NE_FLAG): Operate on accumulated argument.
1650 (CLEAR_NE_FLAG): Operate on accumulated argument.
1651 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1652 (frv.o): Correct dependencies.
1653 (traps.o): Ditto.
1654 (pipeline.o): Ditto.
1655 (interrupts.o): Ditto.
1656 (memory.o): Ditto.
1657 * sem.c: Regenerate.
1658
16591999-11-26 Dave Brolley <brolley@cygnus.com>
1660
1661 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1662 there is an exception indicated in the mask.
1663 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1664 state when adding a floating point insn to the pipeline.
1665 * interrupts.c (set_fp_exception_registers): Set NE flag for
1666 non-excepting insns.
1667 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1668 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1669 (frvbf_h_fr_int_get_handler): New function.
1670 (frvbf_h_fr_int_set_handler): New function.
1671 (frvbf_set_ne_index): New function.
1672 (NE_NOFLAG): New macro.
1673 (frv_interrupt_state): Add ne_index member.
1674 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1675 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1676 (frvbf_h_fr_int_get_handler): New function.
1677 (frvbf_h_fr_int_set_handler): New function.
1678 (frvbf_set_ne_index): New function.
1679 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1680
16811999-11-24 Dave Brolley <brolley@cygnus.com>
1682
1683 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1684
16851999-11-23 Dave Brolley <brolley@cygnus.com>
1686
1687 * frv-sim.h (frvbf_media_cut): New function.
1688 * frv.c (frvbf_media_cut): New function.
1689 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1690
16911999-11-22 Dave Brolley <brolley@cygnus.com>
1692
1693 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1694 * frv.c.h (frvbf_clear_all_accumulators): New function.
1695 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1696
16971999-11-18 Dave Brolley <brolley@cygnus.com>
1698
1699 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1700 if this is the first insn of its class in the pipeline.
1701 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1702 * traps.c (frvbf_media_register_not_aligned): New function.
1703 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1704
17051999-11-17 Dave Brolley <brolley@cygnus.com>
1706
1707 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1708 * frv-sim.h (OR_MSR_SIE): New macro.
1709 (CLEAR_MSR_SIE): New macro.
1710 (frvbf_media_overflow): Now takes sie argument.
1711 (frv_set_mp_exception_registers): Now takes sie argument.
1712 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1713 Set MSRx.SIE field.
1714 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1715
17161999-11-15 Dave Brolley <brolley@cygnus.com>
1717
1718 * traps.c (frv_mtrap): New function.
1719 (frvbf_media_cr_not_aligned): New function.
1720 (frvbf_media_acc_not_aligned): New function.
1721 (frvbf_media_overflow): New function.
1722 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1723 * interrupts.c: Call frv_set_mp_exception_registers.
1724 (frv_set_mp_exception_registers): New function.
1725 * frv-sim.h (frv_msr_mtt): New enumeration.
1726 (GET_MSR): New macro.
1727 (SET_MSR): New macro.
1728 (GET_MSR_AOVF): New macro.
1729 (SET_MSR_AOVF): New macro.
1730 (GET_MSR_OVF): New macro.
1731 (SET_MSR_OVF): New macro.
1732 (CLEAR_MSR_OVF): New macro.
1733 (GET_MSR_MTT): New macro.
1734 (SET_MSR_MTT): New macro.
1735 (frv_set_mp_exception_registers): New function.
1736 (frv_mtrap): New function.
1737 (FRV_IS_MEDIA_INSN): New macro.
1738 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1739
17401999-11-10 Dave Brolley <brolley@cygnus.com>
1741
1742 * sim-main.h (_sim_cpu): Add debug_state member.
1743 * mloop.in (_parallel_write_queued): Clear data_written.length.
1744 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1745 handler is 0xff.
1746 (frv_queue_break_interrupt): New function.
1747 (frv_break_interrupt): New function.
1748 (handle_interrupt): Handle break_interrupt.
1749 (frv_non_operating_interrupt): Now takes interrupt_kind.
1750 * frv-sim.h (frv_queue_break_interrupt): New function.
1751 (frv_break_interrupt): New function.
1752 (frv_break): New function.
1753 (frv_non_operating_interrupt): Now takes interrupt_kind.
1754 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1755
17561999-11-09 Dave Brolley <brolley@cygnus.com>
1757
1758 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1759 a floating point insn.
1760 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1761 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1762 frv_queue_fp_exception_interrupt.
1763 (frv_queue_fp_exception_interrupt): New function.
1764 (next_available_fq): New function.
1765 (set_fp_exception_registers): New function.
1766 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1767 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1768 (frv_program_interrupt): Don't process interrupt if it is masked.
1769 * frv.c (frvbf_h_fr_double_get_handler): Call
1770 frv_queue_fp_exception_interrupt.
1771 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1772 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1773 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1774 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1775 (frv_fp_exception_info): New struct type.
1776 (frv_interrupt_queue_element): Add fp_info member.
1777 (frv_fsr_traps): New enumeration.
1778 (frv_fsr_ftt): New enumeration.
1779 (frv_sie): New enumeration.
1780 (frv_miv): New enumeration.
1781 (GET_FSR): New macro.
1782 (SET_FSR): New macro.
1783 (GET_FSR_TEM): New macro.
1784 (SET_FSR_QNE): New macro.
1785 (SET_FSR_FTT): New macro.
1786 (GET_FSR_AEXC): New macro.
1787 (SET_FSR_AEXC): New macro.
1788 (GET_FQ): New macro.
1789 (SET_FQ): New macro.
1790 (SET_FQ_OPC): New macro.
1791 (SET_FQ_MIV): New macro.
1792 (SET_FQ_SIE): New macro.
1793 (SET_FQ_FTT): New macro.
1794 (SET_FQ_CEXC): New macro.
1795 (GET_FQ_VALID): New macro.
1796 (SET_FQ_VALID): New macro.
1797 (frv_queue_fp_exception_interrupt): New function.
1798 (FRV_IS_FLOAT_INSN): New macro.
1799
18001999-11-04 Dave Brolley <brolley@cygnus.com>
1801
1802 * traps.c (frvbf_fpu_error): No floating point errors need to be
1803 detected.
1804 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1805 of the ESR registers too.
1806 (set_exception_status_registers): Don't set EAR for any precise
1807 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1808 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1809 (non_operating_interrupt): No need for return code.
1810 (frv_program_or_software_interrupt): Process interrupt regardless
1811 of operating mode. If PSR.ET was not set at the start of processing,
1812 then stop the simulation with a message.
1813 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1814 CGEN_MEM_XI_WRITE.
1815 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1816 (frvbf_h_fr_quad_set_handler): New function.
1817 (frvbf_h_cpr_quad_set_handler): New function.
1818 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1819 sim_queue_fn_xi_write.
1820 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1821 sim_queue_fn_xi_write.
1822 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1823 sim_queue_fn_xi_write.
1824 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1825 sim_queue_mem_xi_write.
1826 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1827 sim_queue_mem_xi_write.
1828 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1829 sim_queue_mem_xi_write.
1830 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1831 (frvbf_h_fr_quad_set_handler): New function.
1832 (frvbf_h_cpr_quad_set_handler): New function.
1833 (SET_ESR_VALID): New macro.
1834 (CLEAR_ESR_VALID): New macro.
1835 (CLEAR_ESR_EAV): New macro.
1836 (CLEAR_ESR_EDV): New macro.
1837 * sem.c: Regenerate.
1838
18391999-11-02 Dave Brolley <brolley@cygnus.com>
1840
1841 * traps.c (frv_core_signal): Call
1842 frv_queue_mem_address_not_aligned_interrupt.
1843 * mloop.in (_parallel_write_queued): Call
1844 frv_save_data_written_for_interrupts.
1845 * frv.c (frvbf_h_gr_double_get_handler): Call
1846 frv_queue_register_exception_interrupt.
1847 (frvbf_h_cpr_double_get_handler): Call
1848 frv_queue_register_exception_interrupt.
1849 (frvbf_h_cpr_double_set_handler): Call
1850 frv_queue_register_exception_interrupt.
1851 (frvbf_load_multiple_GR): Call
1852 frv_queue_register_exception_interrupt.
1853 (frvbf_store_multiple_GR): Call
1854 frv_queue_register_exception_interrupt.
1855 (frvbf_load_multiple_CPR): Call
1856 frv_queue_register_exception_interrupt.
1857 (frvbf_store_multiple_CPR): Call
1858 frv_queue_register_exception_interrupt.
1859 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1860 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1861 queue element.
1862 (frv_queue_program_interrupt): Now returns interrupt queue element.
1863 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1864 element.
1865 (frv_queue_interrupt): Now returns interrupt queue element.
1866 (frv_queue_register_exception_interrupt): New function.
1867 (frv_queue_mem_address_not_aligned_interrupt): New function.
1868 (frv_save_data_written_for_interrupts): New function.
1869 (next_available_edr): EDR registers available in blocks of 4.
1870 (clear_exception_status_registers): New function.
1871 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1872
1873 * frv-sim.h (struct frv_data_written): New struct type.
1874 (frv_interrupt_queue_element): Add data_written member.
1875 (frv_queue_software_interrupt): Now returns interrupt queue element.
1876 (frv_queue_program_interrupt): Now returns interrupt queue element.
1877 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1878 element.
1879 (frv_queue_interrupt): Now returns interrupt queue element.
1880 (frv_queue_register_exception_interrupt): New function.
1881 (frv_queue_mem_address_not_aligned_interrupt): New function.
1882 (frv_save_data_written_for_interrupts): New function.
1883
18841999-10-27 Dave Brolley <brolley@cygnus.com>
1885
1886 * interrupts.c (ITABLE_ENTRY): New macro.
1887 (frv_interrupt_table): Add exception codes.
1888 (next_available_esr): New function.
1889 (next_available_edr): New function.
1890 (set_edr_register): New function.
1891 (set_exception_status_registers): New function.
1892 (check_for_compound_interrupt): Record information on all interrupts
1893 found.
1894 (frv_program_interrupt): Always call check_for_compound_interrupt.
1895 * frv.c (frvbf_h_pc_set_handler): Removed.
1896 (frvbf_h_spr_get_handler): Handle LR register.
1897 (frvbf_h_spr_set_handler): Handle LR register.
1898 (frvbf_h_lr_get_handler): New function.
1899 (frvbf_h_lr_set_handler): New function.
1900 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1901 (frvbf_h_lr_set_handler): New function.
1902 (frv_ec): New enumeration.
1903 (frv_interrupt): Add frv_ec field.
1904 (frv_rec): New enumeration.
1905 (frv_daec): New enumeration.
1906 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1907 (SET_ESR_EC): New macro.
1908 (SET_ESR_REC): New macro.
1909 (SET_ESR_IAEC): New macro.
1910 (SET_ESR_DAEC): New macro.
1911 (SET_ESR_EAV): New macro.
1912 (GET_ESR_EDV): New macro.
1913 (SET_ESR_EDV): New macro.
1914 (GET_ESR_EDN): New macro.
1915 (SET_ESR_EDN): New macro.
1916 (GET_ESR): New macro.
1917 (SET_ESR): New macro.
1918 (SET_EPCR): New macro.
1919 (SET_EAR): New macro.
1920 (SET_EDR): New macro.
1921 (GET_ESFR): New macro.
1922 (SET_ESFR): New macro.
1923 * cpu.c,cpu.h,sem.c: Rebuild.
1924
19251999-10-26 Dave Brolley <brolley@cygnus.com>
1926
1927 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1928 if mach is frv.
1929 (clear_nesr_neear): Only execute if mach is frv.
1930
19311999-10-22 Dave Brolley <brolley@cygnus.com>
1932
1933 * sim-main.h (sim_cpu): Add pipeline.
1934 (CPU_PIPELINE): New macro.
1935 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1936 (main loop): Maintain pc in cpu.
1937 * frv-sim.h (frv_queue_software_interrupt): New interface.
1938 (frv_queue_program_interrupt): New interface.
1939 (frv_queue_illegal_instruction_interrupt: New interface.
1940 (frv_queue_interrupt): New interface.
1941 (frv_detect_insn_access_interrupts): New interface.
1942 (frv_process_interrupts): New interface.
1943 (frv_program_interrupt): New interface.
1944 (frv_software_interrupt): New interface.
1945 (frv_program_or_software_interrupt): New interface.
1946 (FRV_PIPELINE): Moved from pipline.c.
1947 (frv_pipeline_reset): New interface.
1948 (frv_pipeline_add_insn): New interface.
1949 * interrupts.c (frv_queue_software_interrupt): New interface.
1950 (frv_queue_program_interrupt): New interface.
1951 (frv_queue_illegal_instruction_interrupt: New interface.
1952 (frv_queue_interrupt): New interface.
1953 (frv_detect_insn_access_interrupts): New interface.
1954 (frv_process_interrupts): New interface.
1955 (frv_program_interrupt): New interface.
1956 (frv_software_interrupt): New interface.
1957 (frv_program_or_software_interrupt): New interface.
1958 * frv.c: Use new interfaces.
1959 * pipeline.c: Use new interfaces.
1960 * traps.c: Use new interfaces.
1961 * memory.c: Use new interfaces.
1962 (frv_address_forbidden): No longer static.
1963
19641999-10-19 Dave Brolley <brolley@cygnus.com>
1965
1966 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1967 NESR.EC.
1968 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1969 * frv.c (frvbf_h_pc_set_handler): New function.
1970 * interrupts.c (frv_detect_data_interrupt): Removed.
1971 (address_forbidden): Removed.
1972 * frv-sim.h (frv_detect_data_interrupt): Removed.
1973 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1974 (NESR_REGISTER_NOT_ALIGNED): New macro.
1975 (NESR_UQI_SIZE): New macro.
1976 (NESR_QI_SIZE): New macro.
1977 (NESR_UHI_SIZE): New macro.
1978 (NESR_HI_SIZE): New macro.
1979 (NESR_SI_SIZE): New macro.
1980 (NESR_DI_SIZE): New macro.
1981 (NESR_XI_SIZE): New macro.
1982 (GET_NESR_DAEC): New macro.
1983 (SET_NESR_DAEC): New macro.
1984 (GET_NESR_REC): New macro.
1985 (SET_NESR_REC): New macro.
1986 (GET_NESR_EC): New macro.
1987 (SET_NESR_EC): New macro.
1988 (frvbf_read_mem_QI): New function.
1989 (frvbf_read_mem_UQI): New function.
1990 (frvbf_read_mem_HI): New function.
1991 (frvbf_read_mem_UHI): New function.
1992 (frvbf_read_mem_SI): New function.
1993 (frvbf_read_mem_WI): New function.
1994 (frvbf_read_mem_DI): New function.
1995 (frvbf_read_mem_DF): New function.
1996 (frvbf_write_mem_QI): New function.
1997 (frvbf_write_mem_UQI): New function.
1998 (frvbf_write_mem_HI): New function.
1999 (frvbf_write_mem_UHI): New function.
2000 (frvbf_write_mem_SI): New function.
2001 (frvbf_write_mem_WI): New function.
2002 (frvbf_write_mem_DI): New function.
2003 (frvbf_write_mem_DF): New function.
2004 * Makefile.in (SIM_OBJS): Add memory.o.
2005 * cpu.c,cpu.h,sem.c: Rebuild.
2006
20071999-10-18 Dave Brolley <brolley@cygnus.com>
2008
2009 * sim-if.c (sim_open): Use a real fpu error function.
2010 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2011 * mloop.in (_parallel_write_queued): Clear queue after writing.
2012 * interrupts.c (check_for_compound_interrupt): New function.
2013 (non_operating_interrupt): New function.
2014 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2015 (frvbf_h_gr_double_set_handler): New function.
2016 (frvbf_h_fr_double_get_handler): New function.
2017 (frvbf_h_fr_double_set_handler): New function.
2018 (frvbf_h_cpr_double_get_handler): New function.
2019 (frvbf_h_cpr_double_set_handler): New function.
2020 (frv_interrupt_queue_element): New struct type.
2021 (frv_queue_program_interrupt): Now takes pc.
2022 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2023 (frv_queue_interrupt): Now takes pc.
2024 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2025 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2026 (frvbf_division_exception): New function.
2027 (frvbf_fpu_error): New function.
2028 (frvbf_load_multiple_GR): New function.
2029 (frvbf_load_multiple_FR): New function.
2030 (frvbf_load_multiple_CPR): New function.
2031 * frv.c (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_fpu_error): New function.
2044 (frvbf_load_multiple_GR): New function.
2045 (frvbf_load_multiple_FR): New function.
2046 (frvbf_load_multiple_CPR): New function.
2047 * traps.c (frvbf_division_exception): New function.
2048 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2049
20501999-10-12 Dave Brolley <brolley@cygnus.com>
2051
2052 * mloop.in (new_vpc): New variable.
2053 (main loop): Call frv_detect_insn_access_interrupts. Call
2054 frv_detect_data_interrupts.
2055 * interrupts.c (access_queued_to): New function.
2056 (frv_detect_data_interrupts): New function.
2057 (frv_detect_insn_access_interrupts): New function.
2058 (frv_program_or_software_interrupt): Set PSR.S.
2059 * frv-sim.h (frv_detect_data_interrupts): New function.
2060 (frv_detect_insn_interrupts): New function.
2061
20621999-10-07 Dave Brolley <brolley@cygnus.com>
2063
2064 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2065 (frvbf_h_gr_hi_set_handler): New function.
2066 (frvbf_h_gr_lo_get_handler): New function.
2067 (frvbf_h_gr_lo.set_handler): New function.
2068 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2069 (frvbf_h_gr_hi_set_handler): New function.
2070 (frvbf_h_gr_lo_get_handler): New function.
2071 (frvbf_h_gr_lo.set_handler): New function.
2072 (frvbf_model_fr500_u_integer): New function.
2073 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2074
20751999-10-04 Dave Brolley <brolley@cygnus.com>
2076
2077 * traps.c: Use sim_engine_abort.
2078 * pipeline.c (frv_pipeline): Add field for insn major.
2079 (add_next_to_pipe): Return address of matching pipeline.
2080 (find_major_in_pipeline): New function.
2081 (check_insn_major_constraints: New function.
2082 (frv_pipeline_add_insn): Add checks for insn major constraints.
2083 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2084 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2085
2086Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2087
2088 * pipeline.c: New file.
2089 * mloop.in (main loop): Call frv_pipeline_reset.
2090 Call frv_pipeline_add_insn.
2091 * frv-sim.h (frv_pipeline_reset): New function.
2092 (frv_pipeline_add_insn): New function.
2093 * Makefile.in (SIM_OBJS): Add pipeline.o
2094
20951999-09-29 Doug Evans <devans@casey.cygnus.com>
2096
2097 * sem.c: Rebuild.
2098 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2099 result to SEM_PC. Return vpc.
2100
2101Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2102
2103 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2104 (frv_queue_interrupt): Don't detect identical interrupts here.
2105
2106Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2107
2108 * interrupts.c: New file.
2109 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2110 (frv_software_interrupt): Moved to interrupts.c.
2111 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2112 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2113 (@cpu@_perform_writeback): New function.
2114 (main loop): Call frv_process_interrupts.
2115 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2116 (frv_itrap): New interface.
2117 (frv_interrupt_class): New enumeration.
2118 (frv_interrupt_kind): New enumeration.
2119 (struct frv_interrupt): New struct type.
2120 (frv_interrupt_table): New table of interrupt information.
2121 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2122 (struct frv_interrupt_state): New struct type.
2123 (frv_interrupt_state): New global variable.
2124 (previous_vliw_pc): New global variable.
2125 (frv_queue_software_interrupt): New function.
2126 (frv_queue_program_interrupt): New function.
2127 (frv_queue_interrupt): New function.
2128 (frv_process_interrupts): New function.
2129 (frv_program_interrupt): New function.
2130 (frv_software_interrupt): New function.
2131 (frv_program_or_software_interrupt): New function.
2132 (frv_clear_interrupt_classes): New function.
2133 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2134 * Makefile.in (SIM_OBJS): Add interrupts.o
2135 * sem.c: Rebuild.
2136
21371999-09-25 Doug Evans <devans@casey.cygnus.com>
2138
2139 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2140
2141Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2142
2143 * mloop.in (main loop): Determine last insn from scache entry.
2144 * cpu.h: Rebuild.
2145 * cpuall.h: Rebuild.
2146
2147Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2148
2149 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2150 (NECR_ELOS): Define as unshifted value.
2151 (NECR_NEN): Define as unshifted value.
2152 (NECR_VALID): Define as unshifted value.
2153 (SET_NESR): Rewite to use post-write queue.
2154 (SET_NESR_VALID): Rewite to operate on argument.
2155 (SET_NESR_EAV): Rewite to operate on argument.
2156 (SET_NESR_FR): Rewite to operate on argument.
2157 (CLEAR_NESR_FR): Rewite to operate on argument.
2158 (SET_NESR_DRN): Rewite to operate on argument.
2159 (SET_NESR_SIZE): Rewite to operate on argument.
2160 (SET_NESR_NEAN): Rewite to operate on argument.
2161 (SET_NEEAR): Rewite to use post-write queue.
2162 (SET_NE_FLAG): Rewite to use post-write queue.
2163 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2164 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2165 (frv_rett): Rewite to use post-write queue.
2166 (next_available_nesr): Rewrite to use new macro interfaces.
2167 (next_valid_nesr): Ditto.
2168 (frvbf_check_non_excepting_load): Ditto.
2169 (frvbf_check_recovering_store): Ditto.
2170 (clear_nesr_neear): Ditto.
2171 (clear_ne_flags): Ditto.
2172 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2173 when flag is set.
2174 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2175 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2176 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2177 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2178 * Makefile.in (frv.o): Depend on cgen-par.h.
2179
2180Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2181
2182 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2183 (frvbf_write_next_vliw_addr_to_LR): New flag.
2184 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2185 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2186 address of the next VLIW insn if flag is set.
2187 * cpu.h,decode.c,sem.c: Rebuild.
2188
2189Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2190
2191 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2192 * sem.c: Rebuild.
2193
21941999-09-02 Doug Evans <devans@casey.cygnus.com>
2195
2196 * configure: Regenerated to track ../common/aclocal.m4 changes.
2197
21981999-09-01 Doug Evans <devans@casey.cygnus.com>
2199
2200 * decode.c: Rebuild.
2201
2202Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2203
2204 * traps.c (frv_rett): New function.
2205 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2206 (frvbf_h_spr_set_handler): Handle bpsr.
2207 (frvbf_h_bpsr_get_handler): New function.
2208 (frvbf_h_bpsr_set_handler): New function.
2209 * frv-sim.h (frv_rett): New function.
2210 (frvbf_h_bpsr_get_handler): New function.
2211 (frvbf_h_bpsr_set_handler): New function.
2212 * mloop.in: Read actual packing bit.
2213 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2214
2215Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2216
2217 * traps.c (WANT_CPU): New macro.
2218 (WANT_CPU_FRVBF): New macro.
2219 (frvbf_check_recovering_store): Use registers for source and queue
2220 writes.
2221 * mloop.in: New main loop for parallel support.
2222 (@cpu@_parallel_write_init): New function.
2223 (@cpu@_parallel_write_queued): New function.
2224 * frv-sim.h (set_icc_for_shift_left): New interface.
2225 (set_icc_for_shift_right): New interface.
2226 (frvbf_check_recovering_store): New interface.
2227 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2228 (set_icc_for_shift_right): Pass and return icc value.
2229 (frvbf_check_recovering_store): New interface.
2230 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2231 (stamp-mloop): Add cgen parallel options.
2232 (stamp-arch): Remove with-profile option.
2233 (stamp-cpu): Add cgen parallel options.
2234 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2235
22361999-08-28 Doug Evans <devans@casey.cygnus.com>
2237
2238 * cpu.h,decode.c,sem.c: Rebuild.
2239
2240Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2241
2242 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2243
2244Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2245
2246 * configure.in: fr500 now the default model.
2247 * configure: Regenerate.
2248 * frv.c: Change frv-1 to frv-gen.
2249 (frvbf_model_fr500_u_exec): New function.
2250 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2251 * mloop.in: Fix typos in comments.
2252 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2253
22541999-08-17 Dave Brolley <brolley@cygnus.com>
2255
2256 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2257
22581999-08-09 Doug Evans <devans@casey.cygnus.com>
2259
2260 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2261
22621999-08-04 Doug Evans <devans@casey.cygnus.com>
2263
2264 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2265
2266Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2267
2268 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2269 (frvbf_store_register): Use GDB register number macros.
2270 (frvbf_cut): New function.
2271 * frv-sim.h (GR_REGNUM_MAX): New macro.
2272 (FR_REGNUM_MAX): New macro.
2273 (PC_REGNUM): New macro.
2274 (LR_REGNUM): New macro.
2275 (frvbf_cut): New function.
2276 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2277
22781999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2279
2280 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2281 add default for unhandled registers.
2282 (frvbf_store_register): Add ability to set LR register.
2283
22841999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2285
2286 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2287 (decode_gdb_dr_regnum): Remove, not used.
2288
22891999-07-13 Michael Meissner <meissner@cygnus.com>
2290
2291 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2292
2293 * configure.in (--enable-sim-trapdump): New switch to make unknown
2294 traps dump the register contents, instead of doing the trap thing.
2295 * configure: Regenerate.
2296
2297 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2298 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2299 temporarily.
2300
2301 * traps.h (toplevel): Include bfd.h, libiberity.h.
2302 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2303 dumping the registers.
2304
2305Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2306
2307 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2308
2309Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2310
2311 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2312
2313Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2314
2315 * frv.c (frvbf_square_root_SF): Removed.
2316 (frvbf_square_root_DF): Removed.
2317 (frvbf_h_fr_double_get_handler): Removed.
2318 (frvbf_h_fr_double_set_handler): Removed.
2319 (frvbf_h_fr_int_get_handler): Removed.
2320 (frvbf_h_fr_int_set_handler): Removed.
2321 * frv-sim.h (frvbf_square_root_SF): Removed.
2322 (frvbf_square_root_DF): Removed.
2323 (frvbf_h_fr_double_get_handler): Removed.
2324 (frvbf_h_fr_double_set_handler): Removed.
2325 (frvbf_h_fr_int_get_handler): Removed.
2326 (frvbf_h_fr_int_set_handler): Removed.
2327 * decode.c,decode.h,model.c,sem.c: Rebuild.
2328
23291999-07-05 Doug Evans <devans@casey.cygnus.com>
2330
2331 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2332 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2333 * sim-if.c (sim_open): Initialize fpu.
2334 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2335 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2336 with frvbf_h_fr_get.
2337
2338Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2339
2340 * frv-sim.h (NESR_RANGE): New macro.
2341 (NO_NESR): New macro.
2342 (GET_NESR_VALID): New macro.
2343 (next_ne_index): Removed.
2344 * traps.c (next_available_nesr): New function.
2345 (next_valid_nesr): New function.
2346 (frvbf_check_non_excepting_load): Use next_available_nesr.
2347 (frvbf_check_recovering_store): Use next_available_nesr and
2348 next_valid_nesr.
2349 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2350 (frvbf_check_recovering_store): Only consider one matching register.
2351 * sem.c: Rebuild.
2352
2353Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2354
2355 * frv.c (frvbf_square_root_SF): New function.
2356 (frvbf_square_root_DF): New function.
2357 (frvbf_h_fr_double_get_handler): New function.
2358 (frvbf_h_fr_double_set_handler): New function.
2359 * frv-sim.h (frvbf_square_root_SF): New function.
2360 (frvbf_square_root_DF): New function.
2361 (frvbf_h_fr_double_get_handler): New function.
2362 (frvbf_h_fr_double_set_handler): New function.
2363 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2364
23651999-06-28 Dave Brolley <brolley@cygnus.com>
2366
2367 * decode.c,decode.h,model.c,sem.c: Regenerate.
2368
2369Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2370
2371 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2372 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2373 (frvbf_h_fr_int_set_handler): New function.
2374 (frvbf_store_multiple_FRint): New function.
2375 (frvbf_square_root_SF): New function.
2376 * frv.c (frvbf_h_fr_int_get_handler): New function.
2377 (frvbf_h_fr_int_set_handler): New function.
2378 (frvbf_store_multiple_FRint): New function.
2379 (frvbf_square_root_SF): New function.
2380 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2381
23821999-06-23 Doug Evans <devans@casey.cygnus.com>
2383
2384 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2385 to genmloop.sh. Pass -scache instead.
2386 (mloop.o): Delete sem-switch.c dependency.
2387 (sem-switch.c): Delete rule.
2388 (stamp-cpu): Don't build sem-switch.c.
2389 * sem-switch.c: Delete.
2390 * mloop.in (xfull-exec-*): Fix call to execute.
2391 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2392
2393 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2394
2395Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2396
2397 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2398
2399Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2400
2401 * mloop.in (execute): Force gr0 to zero before each insn.
2402 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2403
24041999-06-18 Doug Evans <devans@casey.cygnus.com>
2405
2406 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2407
2408Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2409
2410 * frv.c (frvbf_h_gr_get_handler): New function.
2411 (frvbf_h_gr_set_handler): New function:
2412 (frvbf_store-multiple_GR): New function:
2413 (frvbf_store-multiple_FR): New function:
2414 (frvbf_store-multiple_CPR): New function:
2415 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2416 (frvbf_h_gr_set_handler): New function:
2417 (frvbf_store-multiple_GR): New function:
2418 (frvbf_store-multiple_FR): New function:
2419 (frvbf_store-multiple_CPR): New function:
2420 * traps.c (frv_itrap): Implement proper syscalls interface.
2421 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2422
2423Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2424
2425 * traps.c (frvbf_check_non_excepting_divide): New function.
2426 (frvbf_check_recovering_store): New function.
2427 (clear_nesr_neear): New function.
2428 (clear_ne_flags): New function.
2429 (frvbf_commit): New function.
2430
2431 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2432 (frvbf_check_recovering_store): New function.
2433 (clear_nesr_neear): New function.
2434 (clear_ne_flags): New function.
2435 (frvbf_commit): New function.
2436 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2437
24381999-06-16 Dave Brolley <brolley@cygnus.com>
2439
2440 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2441 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2442 * traps.c (next_ne_index): New variable.
2443 (frvbf_check_non_excepting_load): New function.
2444 * frv-sim.h (NECR_ELOS): New macro.
2445 (NECR_NEN): New macro.
2446 (NECR_VALID): New macro.
2447 (SET_NESR_VALID): New macro.
2448 (SET_NESR_EAV): New macro.
2449 (SET_NESR_FR): New macro.
2450 (CLEAR_NESR_FR): New macro.
2451 (SET_NESR_DRN): New macro.
2452 (SET_NESR_SIZE): New macro.
2453 (SET_NESR_NEAN): New macro.
2454 (SET_NEEAR): New macro.
2455 (GET_NE_FLAG): New macro.
2456 (SET_NE_FLAG): New macro.
2457 (CLEAR_NE_FLAG): New macro.
2458 (frvbf_check_non_excepting_load): New function:
2459 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2460
2461Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2462
2463 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2464
2465Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2466
2467 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2468 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2469
2470Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2471
2472 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2473
24741999-06-07 Dave Brolley <brolley@cygnus.com>
2475
2476 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2477
2478Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2479
2480 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2481
2482Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2483
2484 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2485
2486Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2487
2488 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2489
2490Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2491
2492 * traps.c (frv_software_interrupt): Pass current_cpu to
2493 frvbf_h_psr_esr_get.
2494 (frv_software_interrupt): Calculate the new PC based on TBR.
2495 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2496
24971999-05-31 Dave Brolley <brolley@cygnus.com>
2498
2499 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2500
2501Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2502
2503 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2504 (frvbf_h_cccr_set_handler): New function.
2505 (frvbf_scan_result): New function.
2506 (frvbf_cr_logic): New function.
2507 * frv.c (frvbf_h_cccr_get_handler): New function.
2508 (frvbf_h_cccr_set_handler): New function.
2509 (frvbf_scan_result): New function.
2510 (frvbf_cr_logic): New function.
2511 (cr_ops,cr_result,cr_logic): New table.
2512 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2513
25141999-05-25 Dave Brolley <brolley@cygnus.com>
2515
2516 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2517 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2518 (frv_psr_get_handler): New function.
2519 (frv_psr_set_handler): New function.
2520 (frv_tbr_get_handler): New function.
2521 (frv_tbr_set_handler): New function.
2522 (frvbf_h_ccr_get_handler): Add support for fCC.
2523 (frvbf_h_ccr_set_handler): Add support for fCC.
2524 * frv-sim.h (frv_psr_get_handler): New function.
2525 (frv_psr_set_handler): New function.
2526 (frv_tbr_get_handler): New function.
2527 (frv_tbr_set_handler): New function.
2528 * traps.c (frv_software_interrupt): Implement.
2529 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2530
2531Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2532
2533 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2534
25351999-05-18 Dave Brolley <brolley@cygnus.com>
2536
2537 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2538 (frvbf_set_icc_for_shift_right): New function.
2539 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2540 (frvbf_set_icc_for_shift_right): New function.
2541 (SETMEMSF): New Macro.
2542 (SETMEMDF): New Macro.
2543 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2544
2545Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2546
2547 * frv.c (frvbf_h_ccr_get_handler): New function.
2548 (frvbf_h_ccr_set_handler): New function.
2549 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2550
2551Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2552
2553 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2554 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2555 * frv.c: Likewise.
2556 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2557
25581999-05-10 Dave Brolley <brolley@cygnus.com>
2559
2560 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2561
2562Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2563
2564 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2565 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2566
2567Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2568
2569 * traps.c (frv_software_interrupt): New function.
2570 (frv_itrap): New function.
2571 * frv-sim.h (TRAP_SYSCALL): define as 0.
2572 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2573
2574Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2575
2576 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2577
2578Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2579
2580 * Directory created.
A mirror of the official binutils-gdb repository