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2005-01-13 Andrew Cagney <cagney@gnu.org>
[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
f0569246
AC		 12005-01-12 Andrew Cagney <cagney@gnu.org>
2
3 * configure.ac: Update to use ../common/common.m4.
4 * configure: Re-generate.
5
38f48d72
AC		 62005-01-11 Andrew Cagney <cagney@localhost.localdomain>
7
8 * configure: Regenerated to track ../common/aclocal.m4 changes.
9
b7026657
AC		 102005-01-07 Andrew Cagney <cagney@gnu.org>
11
12 * configure.ac: Rename configure.in, require autoconf 2.59.
13 * configure: Re-generate.
14
379832de
HPN		 152004-12-08 Hans-Peter Nilsson <hp@axis.com>
16
17 * configure: Regenerate for ../common/aclocal.m4 update.
18
45aa12b4
RS		 192004-08-27 Richard Sandiford <rsandifo@redhat.com>
20
21 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
22 * cpuall.h, model.c, sem.c: Regenerated.
23
676a64f4
RS		 242004-03-01 Richard Sandiford <rsandifo@redhat.com>
25
26 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
27 (profile-fr450.o): New dependency.
28 (stamp-cpu): Add fr450 to the list of machs.
29 * sim-frv.h (SPR_IS_ACC): New macro.
30 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
31 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
32 * frv.c (check_register_alignment, check_fr_register_alignment)
33 (check_memory_alignment, do_media_average): Likewise.
34 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
35 rather than a consecutive range.
36 * interrupts.c (frv_queue_illegal_instruction_interrupt)
37 (frv_queue_non_implemented_instruction_interrupt): Handle
38 bfd_mach_fr450.
39 * memory.c (check_data_read_address, check_readwrite_address)
40 (check_insn_read_address, check_write_address): Likewise.
41 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
42 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
43 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
44 * profile-fr450.c: New file.
45 * registers.c (fr450_spr): New array.
46 (frv_register_control_init): Check its size. Use it for fr450.
47 (frv_check_register_access): Handle bfd_mach_fr450.
48 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
49 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
50 (frvbf_media_acc_not_aligned): Likewise.
51 (frvbf_media_register_not_aligned): Likewise.
52 * arch.c: Regenerate.
53 * arch.h: Regenerate.
54 * cpu.h: Regenerate.
55 * cpuall.h: Regenerate.
56 * decode.h: Regenerate.
57 * model.c: Regenerate.
58
c7a48b9a
RS		 592004-03-01 Richard Sandiford <rsandifo@redhat.com>
60
61 * cache.c (frv_cache_init): Change fr400 cache statistics to match
62 the fr405.
63 (non_cache_access): Add missing breaks.
64 * interrupts.c (set_exception_status_registers): Always set EAR15
65 for data_access_errors.
66 * memory.c (fr400_check_write_address): Remove redundant alignment
67 check.
68 * model.c: Regenerate.
69
8b73069f
RS		 702004-03-01 Richard Sandiford <rsandifo@redhat.com>
71
72 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
73
8ae0baa2
RS		 742004-03-01 Richard Sandiford <rsandifo@redhat.com>
75
76 * decode.c, decode.h, model.c, sem.c: Regenerate.
77
d74c4203
KB		 782003-11-24 Kevin Buettner <kevinb@redhat.com>
79
80 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
81 (SPR_REGNUM_MAX): Delete.
82 * frv.c (gdb/sim-frv.h): Include.
83 (frvbf_fetch_register, frvbf_store_register): Use register number
84 constants from gdb/sim-frv.h. Check availability of general
85 purpose and float registers.
86
0b01870b
DB		 872003-11-03 Dave Brolley <brolley@redhat.com>
88
89 * cache.c (address_interference): Check for higher priority requests
90 in the same pipeline.
91
9a29f3ca
DB		 922003-10-31 Dave Brolley <brolley@redhat.com>
93
162cec1b 94 * frv-sim.h (LR_REGNUM): Removed.
073926e5 95 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 96 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 97 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 98 Return 0 for an unimplemented register. Return the length of the data
99 for an implemented register.
100 (frvbf_store_register): Ditto.
101
fc0a2244
AC		 1022003-10-30 Andrew Cagney <cagney@redhat.com>
103
104 * traps.c: Replace "struct symbol_cache_entry" with "struct
105 bfd_symbol".
106
29a79ca0
DB		 1072003-10-10 Dave Brolley <brolley@redhat.com>
108
109 * cpu.h, sem.c: Regenerate.
110
e930b1f5
DB		 1112003-10-06 Dave Brolley <brolley@redhat.com>
112
113 * profile-fr550.[ch]: New files.
114 * configure.in: Move frv handling to alphabetically correct placement.
115 * Makefile.in: Add fr550 support.
116 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
117 profile.[ch],registers.c,traps.c: Add fr550 support.
118 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
119 Regenerate.
120
22f367a7
DB		 1212003-09-25 Dave Brolley <brolley@redhat.com>
122
123 * reset.c (frv_initialize): Call frv_register_control_init first.
124
1c453cd6
DB		 1252003-09-24 Dave Brolley <brolley@redhat.com>
126
127 * profile.h (update_FR_ptime): New prototype.
128 (update_FRdouble_ptime): Ditto.
129 (update_SPR_ptime): Ditto.
130 (increase_ACC_busy): Ditto.
131 (enforce_full_acc_latency): Ditto.
132 (post_wait_for_SPR): Ditto.
133 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
134 (update_FRdouble_ptime): Ditto.
135 (update_SPR_ptime): New function.
136 (increase_ACC_busy): Ditto.
137 (enforce_full_acc_latency): Ditto.
138 (vliw_wait_for_fdiv_resource): Correct resource name.
139 (vliw_wait_for_fsqrt_resource): Ditto.
140 (post_wait_for_SPR): New function.
141 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
142 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
143 adjust_float_register_busy.
144 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
145 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
146 registers.
147 (frvbf_model_fr500_u_float_arith): Ditto.
148 (frvbf_model_fr500_u_float_dual_arith): Ditto.
149 (frvbf_model_fr500_u_float_div): Ditto.
150 (frvbf_model_fr500_u_float_sqrt): Ditto.
151 (frvbf_model_fr500_u_float_convert): Ditto.
152 (update_FR_ptime): Moved to profile.c
153 (update_FRdouble_ptime): Moved to profile.c
154 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
155 for other machines.
156 (update_FRdouble_ptime): Ditto.
157 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
158
153431d6
DB		 1592003-09-12 Dave Brolley <brolley@redhat.com>
160
161 * registers.c (frv_check_spr_read_access): Check for access to
162 ACC4-ACC63 and ACCG4-ACCG63.
163 * profile.h (frv-desc.h): #include it.
164 (spr_busy): New member of FRV_PROFILE_STATE.
165 (spr_latency): Ditto.
166 (GNER_FOR_GR): New macro.
167 (FNER_FOR_FR): New maccro.
168 (update_SPR_latency): New function.
169 (vliw_wait_for_SPR): New function.
93938d47 170 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 171 (update_target_latencies): Ditto.
172 (update_SPR_latency): New function.
173 (vliw_wait_for_SPR): New function.
174 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
175 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
176 (frvbf_model_fr500_u_check): Ditto.
177 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
178 (frvbf_model_fr500_u_clrfr): Ditto.
179 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
180 (frvbf_model_fr500_u_gr2spr): Ditto.
181 * frv-sim.h (H_SPR_ACC4): New macro.
182 (H_SPR_ACCG4): New macro;
183 (H_SPR_ACC0): Removed.
184 (H_SPR_ACCG0): Removed.
185 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
186
ba9c4053
DB		 1872003-09-10 Dave Brolley <brolley@redhat.com>
188
189 * profile.c (slot_names): FM1 was listed twice. Changed first
190 instance to FM0. Added IALL, FMALL and FMLOW.
191 (print_parallel): Don't examine slots with no insns.
192
f9e18f5a
DB		 1932003-09-09 Dave Brolley <brolley@redhat.com>
194
195 * frv.c (do_media_average): Select machine using a switch.
196
d89a78b6
DB		 1972003-09-08 Dave Brolley <brolley@redhat.com>
198
199 On behalf of Doug Evans <dje@sebabeach.org>
200 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
201 Remove copying of .cpu file to cgen/cpu, no longer needed.
202
d03ea14f
DB		 2032003-09-03 Dave Brolley <brolley@redhat.com>
204
205 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
206
e8d2f504
DB		 2072003-08-29 Dave Brolley <brolley@redhat.com>
208
209 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
210 temporarily when regenerating files.
211 (stamp-cpu): Ditto.
212
b34f6357
DB		 2132003-08-20 Micheal Snyder <msnyder@redhat.com>
214
215 * All generated files: Regenerate.
216
2172001-10-11 Dave Brolley <brolley@redhat.com>
218
219 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
220
2212001-10-09 Dave Brolley <brolley@redhat.com>
222
223 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
224 not set.
225 * reset.c (frv_hardware_reset): Invalidate both caches.
226 * registers.c: Update init, reset and read-only masks for all registers
227 on all machines.
228 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
229 (prev_gr_complex): New field of FRV_PROFILE_STATE
230 (set_use_is_gr_complex): New function.
231 (set_use_not_gr_complex): New function.
232 (use_is_gr_complex): New function.
233 (decrease_GR_busy): New function.
234 * profile.c (reset_gr_flags): New function.
235 (reset_cc_flags): New function.
236 (set_use_is_gr_complex): New function.
237 (set_use_not_gr_complex): New function.
238 (use_is_gr_complex): New function.
239 (update_latencies): Reset gr and cc flags when latency reaches 0.
240 (decrease_GR_busy): New function.
241 * profile-fr400.h (fr500_reset_acc_flags): Removed.
242 (fr500_reset_cc_flags): New function.
243 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
244 LSI version 1.41.
245 * profile-fr400.h (fr400_reset_gr_flags): New function.
246 (fr400_reset_fr_flags): New function.
247 (fr400_reset_acc_flags): New function.
248 * profile-fr400.c (set_use_not_media_p4): New function.
249 (set_use_not_media_p6): New function.
250 (set_acc_use_not_media_p2): New function.
251 (set_acc_use_not_media_p4): New function.
252 (fr400_reset_gr_flags): New function.
253 (fr400_reset_fr_flags): New function.
254 (fr400_reset_acc_flags): New function.
255 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
256 (frvbf_model_fr400_u_media_hilo): New function.
257 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
258 * memory.c (fr400_check_data_read_address): Check address range only
259 for double word loads. Don't check alignment here.
260 (fr400_check_readwrite_address): New function.
261 (fr500_check_readwrite_address): New function.
262 (check_readwrite_address): New function.
263 (fr500_check_insn_read_address): Correct address ranges.
264 (frvbf_read_mem_*): Check address range here.
265 (frv_address_forbidden): Removed.
266 (fr400_check_write_address): New function.
267 (check_write_address): New function.
268 (frvbf_write_mem_*): Don't check address range here.
269 (frvbf_mem_set_*): Check address range here.
270 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
271 address as second argument.
272 (frv_queue_data_access_exception_interrupt): New function.
273 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
274 media insns on fr400.
275 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
276 for media insns on fr400.
277 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
278 of insns here. Check for MTRAP insn if PSR.EM is not set.
279 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
280 set.
281 (set_exception_status_registers): Do not always set EPCR. Set EAR for
282 data_acess_error only if not fr400.
283 * frv.c (do_media_average): New function.
284 (frvbf_media_average): New function.
285 (frvbf_insn_cache_invalidate): Check for illegal invocation.
286 (frvbf_data_cache_invalidate): Ditto.
287 (frvbf_data_cache_flush): Ditto.
288 * frv-sim.h (GET_FSR_QNE): New macro.
289 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
290 (GET_MSR_SRDAV): New macro.
291 (GET_MSR_RDAV): New macro.
292 (GET_MSR_RD): New macro.
293 (frv_queue_data_access_error_interrupt): Now takes an address as second
294 argument.
295 (frv_address_forbidden): Removed.
296 * cache.c (non_cache_access): Correct address ranges. Now takes cache
297 as first argument.
298 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
299
3002001-08-20 Dave Brolley <brolley@redhat.com>
301
302 * sim-main.h (_sim_cpu): New field 'elf_flags'.
303 * sim-if.c (sim_open): Extract the elf_flags from the input file and
304 save them with each cpu.
305 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
306 last_insn_p before executing the insn.
307 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
308 insn cache.
309 (frv_cache_invalidate_all): Ditto.
310
3112001-08-20 Richard Sandiford <rsandifo@redhat.com>
312
313 * traps.c (syscall_read_mem): Flush the data cache before reading.
314 (syscall_write_mem): Flush the data cache before writing.
315 Invalidate both caches.
316
3172001-07-05 Ben Elliston <bje@redhat.com>
318
319 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
320 (stamp-cpu): Likewise.
321
3222001-05-23 Dave Brolley <brolley@redhat.com>
323
324 * profile-fr400.c (acc_use_is_media_p2): New function.
325 (frvbf_model_fr400_u_media_2): Account for latency of output
326 accumulators.
327 (frvbf_model_fr400_u_media_2_quad): Ditto.
328 (frvbf_model_fr400_u_media_2_acc): New function.
329 (frvbf_model_fr400_u_media_2_acc_dual): New function.
330 (frvbf_model_fr400_u_media_2_add_sub): New function.
331 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
332 (frvbf_model_fr400_u_media_3_dual): New function.
333 (frvbf_model_fr400_u_media_4_acc_dual): New function.
334 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
335
3362001-05-15 Dave Brolley <brolley@redhat.com>
337
338 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
339 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
340 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
341 (request_cache_flush): Save 'all' argument.
342 (request_cache_invalidate): Save all_cache_entries from profile state
343 to 'all' field of the request.
344 (submit_cache_request): Pass the 'all' field of the request to
345 frv_cache_request_invalidate.
346 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
347 operation even if HSR0.ICE is not set.
348 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
349 operation even if HSR0.DCE is not set.
350 (frv_data_cache_flush): Ditto.
351 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
352 (frv_data_cache_invalidate): Add new 'all' parameter.
353 (frv_data_cache_flush): Add new 'all' parameter.
354 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
355 (frv_cache_request_invalidate): Add new 'all' parameter.
356 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
357 its value in the invalidate request.
358 (address_interference): Accept the value '-1' for the address argument
359 to mean 'any address'.
360 (handle_req_invalidate): Handle request to invalidate all cache lines.
361 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
362
3632001-05-14 Dave Brolley <brolley@redhat.com>
364
365 * profile.h (past_first_p): New field of profiling state.
366 (branch_penalty): Ditto.
367 (branch_hint): Ditto.
368 (update_branch_penalty): New function.
369 * profile.c (frvbf_model_insn_after): Reset past_first_p and
370 branch_address fields of the profiling state.
371 (frvbf_model_branch): New function.
372 (update_branch_penalty): New function.
373 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
374 FCCi_3 inputs.
375 (frvbf_model_fr500_u_trap): New function.
376 (frvbf_model_fr500_u_check): New function.
377 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
378 cycles.
379 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
380 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
381 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
382 documented in teh fr400 LSI.
383 (frvbf_model_fr400_u_media_dual_htob): Ditto.
384 (frvbf_model_fr400_u_media_dual_unpack): Removed.
385 (frvbf_model_fr500_u_trap): New function.
386 (frvbf_model_fr500_u_check): New function.
387 * mloop.in (simulate_dual_insn_prefetch): New function.
388 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
389 arguments for each machine type.
390 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
391
3922001-05-09 Dave Brolley <brolley@redhat.com>
393
394 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
395 (profile-fr400.o): New target.
396 * profile.c: New file.
397 * profile.h: New file.
398 * profile-fr400.c: New file.
399 * profile-fr400.h: New file.
400 * profile-fr500.c: New file.
401 * profile-fr500.h: New file.
402 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
403
4042001-05-02 Dave Brolley <brolley@redhat.com>
405
406 * sim-main.h (profile.h): #include it.
407 (CPU_PROFILE_STATE): New macro.
408 (profile_state): New frv specific cpu field.
409 * reset.c (frv_initialize): insn_fetch_address and branch_address now
410 part of global profiling state.
411 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
412 (SIM_EXTRA_DEPS): Add profile.h.
413 (registers.o): Correct name of source file.
414 (profile.o): New target.
415 (profile-fr500.o): New target.
416 * frv-sim.h: Move profile related data structures to profile.h.
417 * frv.c: Move fr500 specific functions to profile-fr500.c.
418 * cpu.h: Regenerated.
419
4202001-04-27 Dave Brolley <brolley@redhat.com>
421
422 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
423 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
424 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
425 Rename PIPE_* to UNIT_*.
426 (frv_queue_illegal_instruction_interrupt): Use
427 frv_is_float_insn and frv_is_media_insn.
428 (frv_queue_non_implemented_instruction_interrupt): Ditto.
429 (frv_detect_insn_access_interrupts): Ditto.
430 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
431 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
432 * memory.c: Ditto.
433 * pipeline.c: Ditto.
434 * mloop.in: Ditto.
435 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
436 * cache.c: Rename PIPE_* to UNIT_*.
437
4382001-04-24 Dave Brolley <brolley@redhat.com>
439
440 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
441 (frvbf_load_quad_FRint): Ditto.
442 (frvbf_load_quad_CPR): Ditto.
443 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
444 machines.
445 (bfd.h): #include it.
446 (non_cache_access): Update for revised fr500 and for fr400.
447 * registers.c (frv_spr): Don't reset PSR.PS.
448 (fr500_spr): Ditto.
449 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
450
4512001-04-23 Dave Brolley <brolley@redhat.com>
452
453 * traps.c (frv_core_signal): On fr400, generate data_access_error.
454 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
455 (frvbf_media_acc_not_aligned): Ditto.
456 (frvbf_media_register_not_aligned): Ditto.
457 (frvbf_division_exception): Use GET_ISR_EDE.
458 * registers.c (frv_check_spr_read_access): New function.
459 (frv_check_spr_write_access): New function.
460 (frv_check_spr_access): Deleted.
461 (frv_check_register_access): On fr400, generate illegal_instruction.
462 * memory.c (fr400_check_data_read_address): New function.
463 (fr500_check_data_read_address): Ditto.
464 (check_data_read_address): Ditto.
465 (fr400_check_insn_read_address): Ditto.
466 (fr500_check_insn_read_address): Ditto.
467 (check_insn_read_address): Ditto.
468 (frvbf_read_mem_QI): Call check_data_read_access.
469 (frvbf_read_mem_UQI): Ditto.
470 (frvbf_read_mem_HI): Ditto.
471 (frvbf_read_mem_UHI): Ditto.
472 (frvbf_read_mem_SI): Ditto.
473 (frvbf_read_mem_DI): Ditto.
474 (frvbf_read_mem_DF): Ditto.
475 (frvbf_read_imem_USI): Call check_insn_read_access.
476 (frv_address_forbidden): Now takes cpu as first argument. Check based
477 on machine type.
478 (fr400_mem_address_unaligned): New function.
479 (fr500_mem_address_unaligned): Ditto.
480 (check_write_address): Ditto.
481 (frvbf_mem_set_QI): Call check_write_address.
482 (frvbf_mem_set_HI): Ditto.
483 (frvbf_mem_set_SI): Ditto.
484 (frvbf_mem_set_DI): Ditto.
485 (frvbf_mem_set_DF): Ditto.
486 (frvbf_mem_set_XI): Ditto.
487 * interrupts.c (bfd.h): #include it.
488 (frv_queue_data_access_error_interrupt): New function.
489 (frv_queue_instruction_access_error_interrupt): New function.
490 (frv_queue_instruction_access_exception_interrupt): New function.
491 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
492 (frv_queue_non_implemented_instruction_interrupt): Ditto.
493 (frv_detect_insn_access_interrupts): Reorder tests to match priority
494 from the LSI manual.
495 (set_isr_exception_fields): Accumulate dtt bits.
496 * frv.c (check_register_alignment): New function.
497 (check_fr_register_alignment): New function.
498 (check_memory_alignment): New function.
499 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
500 (frvbf_h_gr_double_set_handler): Ditto.
501 (frvbf_h_cpr_double_get_handler): Ditto.
502 (frvbf_h_cpr_double_set_handler): Ditto.
503 (frvbf_h_gr_quad_set_handler): Ditto.
504 (frvbf_h_cpr_quad_set_handler): Ditto.
505 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
506 (frvbf_h_fr_double_set_handler): Ditto.
507 (frvbf_h_fr_quad_set_handler): Ditto.
508 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
509 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
510 (frvbf_load_quad_GR): Call check_memory_aligment.
511 (frvbf_load_quad_FRint): Ditto.
512 (frvbf_load_quad_CPR): Ditto.
513 (frvbf_store_quad_GR): Call check_memory_aligment and
514 check_register_alignment.
515 (frvbf_store_quad_FRint): Ditto.
516 (frvbf_store_quad_CPR): Ditto.
517 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
518 * frv-sim.h (H_SPR_ACC0): New macro.
519 (H_SPR_ACC63): New macro.
520 (H_SPR_ACCG0): New macro.
521 (H_SPR_ACCG63): New macro.
522 (frv_dtt): New enumerator.
523 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
524 (GET_ISR_DTT): New macro.
525 (frv_queue_data_access_error_interrupt): New function.
526 (frv_queue_instruction_access_error_interrupt): New function.
527 (frv_queue_instruction_access_exception_interrupt): New function.
528 (frv_address_forbidden): Now takes cpu as first argument.
529 * cpu.h: Regenerate.
530
5312001-04-10 Dave Brolley <brolley@redhat.com>
532
533 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
534 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
535 (fr400_spr): Implement SPR registers for fr400.
536 (frv_register_control_init): Handle bfd_mach_fr400 properly.
537 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
538 (spr_psr_get_handler): Ditto.
539 (spr_ccr_get_handler): Ditto.
540 (spr_cccr_get_handler): Ditto.
541 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
542 * frv-sim.h: Update comment about MCCR_* macros.
543 * cpu.c,cpu.h: Regenerate.
544
5452001-04-05 Dave Brolley <brolley@redhat.com>
546
547 * cpu.h,decode.c,model.c,sem.c: Regenerate.
548
5492001-04-05 Dave Brolley <brolley@redhat.com>
550
551 * reset.c: Update copyright.
552 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
553 * frv.c (frvbf_model_fr400_u_exec): New function.
554 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
555 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
556 Regenerate.
557
5582000-11-22 Dave Brolley <brolley@redhat.com>
559
560 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
561 Regenerate.
562
5632000-11-10 Dave Brolley <brolley@redhat.com>
564
565 * decode.c: Regenerate.
566
5672000-09-12 Dave Brolley <brolley@redhat.com>
568
569 * traps.c (frv_sim_engine_halt_hook): New function.
570 (frv_itrap): Caches now invalidated in sim_engine_halt via
571 SIM_ENGINE_HALT_HOOK.
572 (frv_break): Ditto.
573 * sim-main.h (frv_sim_engine_halt_hook): New function.
574 (SIM_ENGINE_HALT_HOOK): New macro.
575 (SIM_ENGINE_RESTART_HOOK): New macro.
576 * interrupts.c: Call to frv_term now done within sim_engine_halt via
577 SIM_ENGINE_HALT_HOOK.
578
5792000-09-08 Dave Brolley <brolley@redhat.com>
580
581 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
582 respectively when stopping for a breakpoint.
583 (frv_break): Ditto.
584 * cache.h (frv_cache_invalidate_all): New function.
585 * cache.c (frv_cache_invalidate_all): New function.
586
5872000-09-05 Dave Brolley <brolley@redhat.com>
588
589 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
590 sim_handle_breakpoint. Otherwise if environment != operating call
591 sim_engine_halt. Otherwise handle normally.
592 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
593 breakpoints here. Moved to frv_break in traps.c.
594
595 * sem.c: Regenerate.
596
5972000-09-01 Dave Brolley <brolley@redhat.com>
598
599 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
600 before queuing an interrupt in order to allow 'break' to be used as
601 the breakpoint insn.
602
6032000-08-29 Dave Brolley <brolley@redhat.com>
604
605 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
606
6072000-07-27 Dave Brolley <brolley@redhat.com>
608
609 * cpu.h,decode.c: Rebuild.
610
6112000-07-26 Dave Brolley <brolley@redhat.com>
612
613 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
614 (spr_cccr_set_handler): Change CRx to CCx.
615 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
616
6172000-07-24 Dave Brolley <brolley@redhat.com>
618
619 * sem.c: Regenerate.
620 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
621 Don't write it directly.
622
623Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
624
625 * configure: Regenerated to track ../common/aclocal.m4 changes.
626
6272000-07-05 Ben Elliston <bje@redhat.com>
628
629 * configure: Regenerated to track ../common/aclocal.m4 changes.
630
6312000-06-28 Dave Brolley <brolley@redhat.com>
632
633 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
634
6352000-06-21 Dave Brolley <brolley@redhat.com>
636
637 * pipeline.c: All code except frv_pipeline_setup_insn moved to
638 frv.opc.
639 * mloop.in (main loop): frv_pipeline_add_insn broken up into
640 frv_pipeline_add_insn and frv_pipeline_setup_insn.
641 * frv-sim.h: Move pipeline status code to frv.opc.
642 * model.c: Regenerate.
643
6442000-06-12 Dave Brolley <brolley@redhat.com>
645
646 * options.c (frv_option_handler): --profile-parallel implies
647 --profile-model.
648 * mloop.in (fetch_buffer): Removed.
649 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
650 run_caches. Use cache directly if not counting cycles. Don't use
651 cache at all if not counting cycles and cache not enabled.
652 * frv.c (frv_insn_fetch_buffer): New global variable.
653 (run_caches): Monitor the status of insn prefetch requests.
654 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
655 (frv_insn_fetch_buffer): New global variable.
656
6572000-06-12 Dave Brolley <brolley@redhat.com>
658
659 * mloop.in (fetch_buffer): New static struct.
660 (@cpu@_simulate_insn_prefetch): Rewritten.
661 * cache.c (frv_cache_request_invalidate): Don't invalidate return
662 buffer.
663 (address_interference): Defer to any WAR request in either pipeline.
664
6652000-06-09 Dave Brolley <brolley@redhat.com>
666
667 * pipeline.c (insns_in_slot): New Array.
668 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
669 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
670 option.
671 (parse_cache_option): New function.
672 (frv_option_handler): Call parse_cache_option.
673 * frv.c (vliw_branch_taken): New variable.
674 (vliw_load_stall): New variable.
675 (handle_resource_wait): Update vliw_load_stall.
676 (frvbf_model_insn_before): Initialize vliw_branch_taken and
677 vliw_load_stall.
678 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
679 (load_wait_for_FR): Update vliw_load_stall.
680 (load_wait_for_GR): Update vliw_load_stall.
681 (load_wait_for_FRdouble): Update vliw_load_stall.
682 (load_wait_for_GRdouble): Update vliw_load_stall.
683 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
684 (slot_names): New static array.
685 (print_parallel): Now takes second argument 'verbose'. Print cycles per
686 VLIW insn and instructions per cycle. Also tabulate the number of insns
687 in each type of VLIW slot.
688 (frv_profile_info): Call print_parallel with new second argument.
689 * frv-sim.h (insn_in_slot): New array.
690 (COUNT_INSNS_IN_SLOT): New macro.
691 (INSNS_IN_SLOT): New macro.
692 * cache.c: Remove references to non_blocking_count. Remove references to
693 last_was_hit. Remove references to req_none.
694 (handle_req_store): Adjust statistics before requeuing the store
695 request.
696 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
697 * cache.h: Remove references to non_blocking_count. Remove references to
698 last_was_hit. Remove references to req_none.
699 * model.c: Regenerate.
700
7012000-06-08 Dave Brolley <brolley@redhat.com>
702
703 * frv.c (request_complete): Copy load data from the correct return
704 buffer.
705
7062000-06-07 Dave Brolley <brolley@redhat.com>
707
708 * traps.c (frv_core_signal): Call frv_term before exiting.
709 (frv_itrap): Call frv_term before exiting.
710 (next_available_nesr): Make sure NECR is implemented before reading it.
711 (next_valid_nesr): Ditto.
712 (frvbf_check_non_excepting_load): Ditto.
713 (frvbf_clear_ne_flags): Ditto.
714 (frvbf_commit): Ditto.
715 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
716 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
717 store_flag members.
718 (CPU_LOAD_ADDRESS): New macro.
719 (CPU_LOAD_LENGTH): New macro.
720 (CPU_LOAD_SIGNED): New macro.
721 (CPU_LOAD_LOCK): New macro.
722 * reset.c (frv_term): New function.
723 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
724 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
725 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
726 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
727 the insn. Model the insn in two passes. One before and one after
728 execution.
729 (cache_reqno): new static variable.
730 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
731 cache rather than assuming a fixed latency.
732 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
733 enabled so that modeling data is collected by cgen during execution.
734 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
735 * memory.c (data_non_cache_access): Removed.
736 (insn_non_cache_access): Removed.
737 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
738 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
739 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
740 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
741 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
742 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
743 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
744 (frvbf_read_imem_USI): Read the cache or ememory passively.
745 (frvbf_write_mem_QI): Don't check for non-cache access here.
746 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
747 (frvbf_write_mem_HI): Don't check for non-cache access here.
748 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
749 (frvbf_write_mem_SI): Don't check for non-cache access here.
750 (frvbf_write_mem_DI): Don't check for non-cache access here.
751 (frvbf_write_mem_DF): Don't check for non-cache access here.
752 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
753 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
754 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
755 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
756 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
757 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
758 * interrupts.c (check_reset): Read the cache and memory passively.
759 (frv_program_or_software_interrupt): Call frv_term before calling
760 sim_engine_halt.
761 * frv.c (all modeling functions): Break into two passes. One before
762 execuetion and one after. call load_wait_for_* for all GR and FR
763 registers.
764 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
765 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
766 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
767 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
768 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
769 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
770 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
771 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
772 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
773 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
774 (model_insn): New global variable.
775 (fr_ptime): New array.
776 (cache_request): New enumeration.
777 (CACHE_QUEUE_ELEMENT): New struct type.
778 (CACHE_QUEUE_SIZE): New macro.
779 (cache_queue): New static struct.
780 (request_cache_load): New function.
781 (request_cache_flush): New function.
782 (request_cache_invalidate): New function.
783 (request_cache_preload): New function.
784 (request_cache_unlock): New function.
785 (submit_cache_request): New function.
786 (activate_cache_requests): New function.
787 (load_pending_for_register): New function.
788 (flush_pending_for_address): New function.
789 (remove_cache_queue_element): New function.
790 (copy_load_data): New function.
791 (request_complete): New function.
792 (run_caches): New function.
793 (frv_model_trace_wait_cycles): New function.
794 (wait_for_flush): New function.
795 (frvbf_model_insn_before): Insn prefect wait now modeled in
796 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
797 wait_for_flush.
798 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
799 vliw_insns here anymore.
800 (update_FR_latency_for_load): New function.
801 (update_FRdouble_latency_for_load): New function.
802 (update_FR_ptime): New function.
803 (update_FRdouble_ptime): New function.
804 (update_GR_latency_for_swap): New function.
805 (load_wait_for_GR): New function.
806 (load_wait_for_FR): New function.
807 (load_wait_for_GRdouble): New function.
808 (load_wait_for_FRdouble): New function.
809 (frvbf_model_fr500_u_ici): New function.
810 (frvbf_model_fr500_u_dci): New function.
811 (frvbf_model_fr500_u_dcf): New function.
812 (frvbf_model_fr500_u_icpl): New function.
813 (frvbf_model_fr500_u_dcpl): New function.
814 (frvbf_model_fr500_u_icul): New function.
815 (frvbf_model_fr500_u_dcul): New function.
816 * frv-sim.h (frv_term): New function.
817 (insn_non_cache_access): Removed.
818 (FRV_COUNT_CYCLES): New macro.
819 (frv_save_peofile_model_p): New global variable.
820 (model_insn): New enumerated global variable.
821 (frv_model_advance_cycles): New function.
822 (frv_model_trace_wait_cycles): New function.
823 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
824 (FRV_CACHE_WAR_REQUEST): New struct type.
825 (FRV_CACHE_STORE_REQUEST): New struct type.
826 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
827 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
828 (FRV_CACHE_REQUEST): New struct type.
829 (FRV_CACHE_RETURN_BUFFER): New struct type.
830 (FRV_CACHE_FLUSH_STATUS): New struct type.
831 (FRV_CACHE_STATUS): New struct type.
832 (FRV_CACHE_STAGE): New struct type.
833 (FRV_CACHE_STAGES): New enumeration.
834 (FRV_CACHE_WAR): New struct type.
835 (FRV_CACHE_PIPELINE): New struct type.
836 (FRV_CACHE_ARS): New struct type.
837 (FRV_CACHE_STATISTICS): New struct type.
838 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
839 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
840 (CACHE_RETURN_DATA_ADDRESS): New macro.
841 (frv_cache_read): Now takes pipe index as second argument.
842 (frv_cache_enabled): New function.
843 (frv_cache_request_load): New function.
844 (frv_cache_request_store): New function.
845 (frv_cache_request_invalidate): New function.
846 (frv_cache_request_preload): New function.
847 (frv_cache_request_unlock): New function.
848 (frv_cache_run): New function.
849 (frv_cache_read_passive_SI): New function.
850 (frv_cache_data_in_buffer): New function.
851 (frv_cache_data_flushed): New function.
852 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
853 (frv_cache_enabled): New function.
854 (non_cache_access): New function.
855 (write_data_to_memory): Count write accesses for each mode. Write to
856 memory using sim_core_write_unaligned_1;
857 (read_data_from_memory): New function.
858 (fill_line_from_memory): Use read_data_from_memory.
859 (copy_line_to_return_buffer): New function.
860 (copy_memory_to_return_buffer): New function.
861 (set_return_buffer_reqno): New function.
862 (frv_cache_read): Now takes pipe index as second argument. Check for
863 non-cache access.
864 (frv_cache_preload): Check for non-cache access.
865 (frv_cache_unlock): Check for non-cache access.
866 (invalidate_return_buffer): New function.
867 (frv_cache_invalidate): Check for non-cache access.
868 (convert_slot_to_index): New function.
869 (FREE_CHAIN_SIZE): New macro.
870 (frv_cache_request_free_chain): New static variable.
871 (frv_store_request_free_chain): New static variable.
872 (allocate_new_cache_requests): New function.
873 (new_cache_request): New function.
874 (free_cache_request): New function.
875 (new_store_request): New function.
876 (pipeline_remove_request): New function.
877 (pipeline_add_request): New function.
878 (pipeline_requeue_request): New function.
879 (next_priority): New function.
880 (add_WAR_request): New function.
881 (pipeline_next_request): New function.
882 (pipeline_stage_request): New function.
883 (advance_pipelines): New function.
884 (frv_cache_request_load): New function.
885 (frv_cache_request_store): New function.
886 (frv_cache_request_invalidate): New function.
887 (frv_cache_request_preload): New function.
888 (frv_cache_request_unlock): New function.
889 (address_interference): New function.
890 (wait_for_WAR): New function.
891 (wait_in_WAR): New function.
892 (handle_req_load): New function.
893 (handle_req_preload): New function.
894 (handle_req_store): New function.
895 (handle_req_invalidate): New function.
896 (handle_req_unlock): New function.
897 (handle_req_WAR): New function.
898 (arbitrate_requests): New function.
899 (move_ARS_to_WAR): New function.
900 (decrease_latencies): New function.
901 (frv_cache_run): New function.
902 (frv_cache_read_passive_SI): New function.
903 (frv_cache_data_in_buffer): New function.
904 (frv_cache_data_flushed): New function.
905 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
906
907Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
908
909 * configure: Regenerated to track ../common/aclocal.m4 changes.
910
9112000-05-19 Dave Brolley <brolley@redhat.com>
912
913 * traps.c (frv_rett): Check for exceptions in the order specified in the
914 architecture spec. Allow privileged_instruction interrrupt to be handled
915 normally.
916 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
917 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
918 to clear the NE flag.
919 (frvbf_model_tomcat_u_exec): New function.
920 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
921 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
922 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
923
9242000-05-18 Dave Brolley <brolley@redhat.com>
925
926 * sim-if.c (elf-bfd.h): #include it.
927 (sim_open): Set machine amd architecture based on elf flags.
928
9292000-04-04 Dave Brolley <brolley@redhat.com>
930
931 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
932 Delete '#if 0' blocks.
933 * frv.c: Delete '#if 0' blocks.
934 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
935 PSR.S and PSR.ESR.
936 (frv_h_psr_esr_set_handler): Removed.
937 * interrupts.c: Delete '#if 0' blocks.
938 * memory.c: Delete '#if 0' blocks.
939 * cpu.c,cpu.h: Regenerate.
940
9412000-04-03 Dave Brolley <brolley@redhat.com>
942
943 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
944 containing the target address.
945 (clear_nesr_neear): No longer takes hi_available and lo_available.
946 Remove bogus check for available GR registers.
947 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
948 (frvbf_commit): Update call to clear_nesr_neear.
949 * interrupts.c (next_available_esr): Removed.
950 (next_available_edr): Removed.
951 (next_available_fq): Removed.
952 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
953 (frvbf_store_register): Remove "FIXME" comment.
954 * frv-sim.h (UART_INCHAR_ADDR): Removed.
955 (UART_OUTCHAR_ADDR): Removed.
956 (UART_STATUS_ADDR): Removed.
957 (UART_INPUT_READY): Removed.
958 (UART_OUTPUT_READY): Removed.
959 (FRV_DEVICE_ADDR): Removed.
960 (FRV_DEVICE_LEN): Removed.
961 (SET_NESR): Call frvbf_force_update.
962 (SET_NEEAR): Call frvbf_force_update.
963 (SET_NE_FLAGS): Call frvbf_force_update.
964
9652000-03-30 Dave Brolley <brolley@redhat.com>
966
967 * configure: Regenerated.
968
9692000-03-30 Dave Brolley <brolley@redhat.com>
970
971 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
972 * memory.c (frvbf_write_mem_*): Save slot containing the insn
973 performing the write.
974 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
975 queue element with the information in the interrupt state.
976 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
977 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
978 (frv_set_interrupt_queue_slot): New function.
979 (esr_for_data_access_exception): New function.
980 (set_edr_register): edr_index is now passed in.
981 (fq_for_exception): New function.
982 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
983 element now passed in.
984 (set_exception_status_registers): Obtain slot from interrupt queue
985 element. Call esr_for_data_access_exception. Use ESR14
986 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
987 (frv_save_data_written_for_interrupts): Save slot containing the insn
988 performing the write.
989 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
990 frv_fsr_ftt.
991 (struct frv_interrupt_state): Add 'slot' field.
992 (frv_set_interrupt_queue_slot): New function.
993 (frv_set_write_queue_slot): New function.
994
9952000-03-24 Dave Brolley <brolley@redhat.com>
996
997 * mloop.in (_parallel_write_init): Initialize
998 frv_interrupt_state.imprecise_interrupt.
999 (_parallel_write_queued): After an imprecise interrupt, only perform
1000 forced writes and floating point writes (for certain exceptions).
1001 * interrupts.c (handle_interrupt): Set
1002 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1003 interrupt.
1004 (frv_process_interrupts): No need to clear f_ne_flags.
1005 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1006 force them to happen even if there is an overflow exception.
1007 (frvbf_force_update): New function.
1008 * frv-sim.h (frvbf_force_update): New function.
1009 (struct frv_interrupt_state): Add imprecise_interrupt.
1010 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1011 * sem.c: Regenerate.
1012
10132000-03-23 Dave Brolley <brolley@redhat.com>
1014
1015 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1016 * registers.c (frv_spr): MCIRL -> MCILR.
1017 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1018 New function.
1019 (frv_detect_insn_access_interrupts):
1020 Call frv_queue_non_implemented_instruction_interrupt.
1021 (frv_process_interrupts): Clear accumulated NE flags.
1022 * frv.c (frvbf_media_cop): New function.
1023 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1024 the NE flag of the given target register.
1025 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1026 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1027 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1028 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1029 (frvbf_model_fr500_u_float_dual_convert): New function.
1030 * frv-sim.h (frvbf_media_cop): New function.
1031 (GET_FQ): Use H_SPR_FQST0.
1032 (SET_FQ): Use H_SPR_FQST0.
1033 (SET_FQ_OPC): Use J_SPR_FQOP0.
1034 (GET_MSR_EMCI): New macro.
1035 (frv_queue_non_implemented_instruction_interrupt): New function.
1036 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1037
10382000-03-08 Dave Brolley <brolley@redhat.com>
1039
1040 * traps.c (frv_rett): Align new_pc.
1041 * memory.c (frvbf_read_mem_HI): Align address.
1042 (frvbf_read_mem_UHI): Align address.
1043 (frvbf_read_mem_SI): Align address.
1044 (frvbf_read_mem_DI): Align address.
1045 (frvbf_read_mem_DF): Align address.
1046 (frvbf_read_imem_USI): Align address.
1047 (frvbf_mem_set_HI): Align address.
1048 (frvbf_mem_set_SI): Align address.
1049 (frvbf_mem_set_DI): Align address.
1050 (frvbf_mem_set_DF): Align address.
1051 (frvbf_mem_set_XI): Align address.
1052 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1053 (fr500_spr): Initialize FSR0.NS to 1.
1054 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1055 whether the exception is masked.
1056 * frv.c (frvbf_load_quad_GR): Align address.
1057 (frvbf_store_quad_GR): Align address.
1058 (frvbf_load_quad_FRint): Align address.
1059 (frvbf_store_quad_FRint): Align address.
1060 (frvbf_load_quad_CPR): Align address.
1061 (frvbf_store_quad_CPR): Align address.
1062 * frv-sim.h (GET_ISR_EMAM): New macro.
1063
10642000-03-08 Dave Brolley <brolley@redhat.com>
1065
1066 * traps.c (frvbf_division_exception): Check for masked overflow and
1067 set NE flags, if necessary.
1068 (frvbf_check_recovering_store): Queue writes to the hardware.
1069 (check_registers_available): Removed.
1070 (which_registers_available): Call frv_{fr,gr}_registers_available.
1071 (frvbf_clear_ne_flags): Call check_register_access.
1072 (frvbf_commit): Call check_register_access.
1073 * registers.h (frv_fr_registers_available): New function.
1074 (frv_gr_registers_available): New function.
1075 (frv_check_register_access): New function.
1076 (frv_check_gr_access): New function.
1077 (frv_check_fr_access): New function.
1078 * registers.c (frv_spr): Correct initial value of ISR.
1079 (fr500_spr): Correct initial value of ISR.
1080 (frv_fr_registers_available): New function.
1081 (frv_gr_registers_available): New function.
1082 (frv_check_register_access): New function.
1083 (frv_check_gr_access): New function.
1084 (frv_check_fr_access): New function.
1085 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1086 (set_isr_exception_fields): New function.
1087 (set_exception_status_registers): Set ISR fields for division exception.
1088 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1089 * frv.c (frvbf_h_gr_get_handler): New function.
1090 (frvbf_h_gr_set_handler): New function.
1091 (frvbf_h_fr_get_handler): New function.
1092 (frvbf_h_fr_set_handler): New function.
1093 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1094 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1095 (spr_isr_get_handler): Removed.
1096 (spr_isr_set_handler): Removed.
1097 (frvbf_signed_integer_divide): New funciton.
1098 (frvbf_unsigned_integer_divide): New funciton.
1099 * frv-sim.h (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_signed_integer_divide): New funciton.
1104 (frvbf_unsigned_integer_divide): New funciton.
1105 (frv_dtt): New enumeration.
1106 (struct frv_interrupt_queue_element): Add dtt member.
1107 (GET_ISR): New macro.
1108 (SET_ISR): New macro.
1109 (GET_ISR_EDEM): New macro.
1110 (SET_ISR_DTT): New macro.
1111 (SET_ISR_AEXC): New macro.
1112 (frvbf_division_exception): Add 2 'int' arguments.
1113 (frvbf_check_non_excepting_divide): Removed.
1114 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1115
11162000-02-29 Dave Brolley <brolley@redhat.com>
1117
1118 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1119 (frv_rett): Use hardware access macros. Write PSR as a whole.
1120 (next_available_nesr): Check that NECR is valid.
1121 (next_valid_nesr): Check that NECR is valid.
1122 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1123 call hardware access functions. Use cover macros.
1124 (check_registers_available): New function.
1125 (clear_nesr_near): Check register availability.
1126 (clear_ne_flags): Check register availability.
1127 (frvbf_clear_ne_flags): Check register availability.
1128 (frvbf_commit): Check register availability.
1129 (which_registers_available): New function.
1130 * sim-main.h (registers.h): #include it.
1131 (register_control): New cpu field.
1132 (CPU_REGISTER_CONTROL): New macro.
1133 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1134 (frv_power_on_reset): Initialize SPR registers and RSTR.
1135 (frv_hardware_reset): Initialize SPR registers and RSTR.
1136 (frv_software_reset): Reset SPR registers and RSTR.
1137 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1138 Call frv_cache_init.
1139 * mloop.in (main loop): Check for insn access interrupts before
1140 executing the insn.
1141 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1142 (frv_detect_insn_access_interrupts): Don't call hardware access
1143 functions directly. Use cover macros.
1144 (check_reset): Don't reset RSTR here.
1145 (next_available_esr): ESFR -> ESFR_FLAG.
1146 (next_available_edr): ESFR -> ESFR_FLAG.
1147 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1148 ESFR -> ESFR_FLAG.
1149 (frv_break_interrupt): Don't call hardware access functions directly.
1150 Use cover macros.
1151 (frv_program_or_software_interrupt): Ditto.
1152 (frv_external_interrupt): Ditto.
1153 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1154 (frvbf_store_register): Don't call 'set' functions directly.
1155 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1156 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1157 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1158 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1159 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1160 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1161 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1162 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1163 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1164 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1165 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1166 Support shadow registers.
1167 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1168 Support shadow registers.
1169 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1170 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1171 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1172 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1173 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1174 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1175 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1176 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1177 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1178 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1179 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1180 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1181 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1182 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1183 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1184 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1185 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1186 version 1.3a.
1187 (spr_ccr_get_handler): Don't reference the hardware directly.
1188 (spr_ccr_set_handler): Don't reference the hardware directly.
1189 (spr_cccr_get_handler): Don't reference the hardware directly.
1190 (spr_cccr_set_handler): Don't reference the hardware directly.
1191 (spr_sr_get_handler): New function.
1192 (spr_sr_set_handler): New function.
1193 (frvbf_switch_supervisor_user_context): Temporarily switch to
1194 supervisor mode.
1195 (frvbf_store_quad_GR): Don't call handler directly.
1196 (frvbf_store_quad_FRint): Don't call handler directly.
1197 (frvbf_store_quad_CPR): Don't call handler directly.
1198 (frvbf_clear_all_accumulators): Removed.
1199 (frvbf_clear_accumulators): New function.
1200 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1201 Account for in_ACCGi and out_ACCGk.
1202 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1203 (RSTR_SOFTWARE_RESET): New macro.
1204 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1205 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1206 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1207 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1208 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1209 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1210 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1211 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1212 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1213 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1214 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1215 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1216 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1217 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1218 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1219 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1220 (frvbf_clear_all_accumulators): Removed.
1221 (frvbf_clear_accumulators): New function.
1222 (GET_HSR0): Use GET_H_SPR.
1223 (SET_HSR0): Use SET_H_SPR.
1224 (CLEAR_HSR0_ICE): New macro.
1225 (CLEAR_HSR0_DCE): New macro.
1226 (GET_IHSR8): Use GET_H_SPR.
1227 (GET_PSR): New macro.
1228 (SET_PSR_ET): New macro.
1229 (GET_PSR_PS): New macro.
1230 (SET_PSR_S): New macro.
1231 (GET_ESFR): Changed to reference entire register.
1232 (SET_ESFR): Changed to reference entire register.
1233 (GET_ESFR_FLAG): New macro.
1234 (SET_ESFR_FLAG): New macro.
1235 (NECR_ELOS): Removed.
1236 (NECR_NEN): Removed.
1237 (NECR_VALID): Removed.
1238 (GET_NECR): New macro.
1239 (GET_NECR_ELOS): New macro.
1240 (GET_NECR_NEN): New macro.
1241 (GET_NECR_VALID): New macro.
1242 (NESR_RANGE): Removed.
1243 (GET_NESR): Use GET_H_SPR.
1244 (GET_NE_FLAGS): Use GET_H_SPR.
1245 * cache.h (CACHE_INITIALIZED): New macro.
1246 * Makefile.in (SIM_OBJS): Add registers.o.
1247 (SIM_EXTRA_DEPS): Add registers.h.
1248 (registers.o): New target.
1249 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1250
12512000-02-17 Dave Brolley <brolley@redhat.com>
1252
1253 * interrupts.c (frv_interrupt_table): Update priority order and handler
1254 offsets to conform to the architecture version 1.3a.
1255 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1256 to the architecture version 1.3a.
1257
12582000-02-17 Dave Brolley <brolley@redhat.com>
1259
1260 * interrupts.c (frv_interrupt_table): Update priority order and handler
1261 offsets to conform to the latest specifications.
1262 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1263 queued. New variable 'iclass' used to test for external interrupts.
1264 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1265 to the latest specifications.
1266
12672000-01-20 Dave Brolley <brolley@redhat.com>
1268
1269 * sim-if.c (sim_open): Move frv-specific initialization to
1270 frv_initialize in reset.c.
1271 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1272 status bits for hardware vs software reset.
1273 * reset.c: New file.
1274 * frv-sim.h (frv_initialize): New function.
1275 (frv_power_on_reset): New function.
1276 (frv_hardware_reset): New function.
1277 (frv_software_reset): New function.
1278 (RSTR_ADDRESS): New macro.
1279 (RSTR_INITIAL_VALUE): New macro.
1280 (GET_RSTR_HR): New macro.
1281 (GET_RSTR_SR): New macro.
1282 (SET_RSTR_H): New macro.
1283 (SET_RSTR_S): New macro.
1284 (CLEAR_RSTR_P): New macro.
1285 (CLEAR_RSTR_H): New macro.
1286 (CLEAR_RSTR_S): New macro.
1287 (CLEAR_RSTR_HR): New macro.
1288 (CLEAR_RSTR_SR): New macro.
1289
12902000-01-03 Dave Brolley <brolley@cygnus.com>
1291
1292 * mloop.in (execute): Only call modeling function if the pointer is not
1293 NULL.
1294 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1295 fr500.
1296
12972000-01-03 Dave Brolley <brolley@cygnus.com>
1298
1299 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1300 (frv_options): Add --memory-latency.
1301 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1302 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1303 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1304 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1305 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1306 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1307 (update_latencies): Only clear usage flags if the register has no
1308 target latency.
1309 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1310 not |= (or assgnment).
1311 (frvbf_model_insn_after): Print post processing wait for all insns.
1312 Update prev_acc_p1 and prev_acc_p2.
1313 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1314 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1315 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1316 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1317 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1318 (frvbf_model_fr500_u_media_quad_arith): New function.
1319 (frvbf_model_fr500_u_media_dual_mul): New function.
1320 (frvbf_model_fr500_u_media_quad_mul): New function.
1321 (frvbf_model_fr500_u_media_quad_complex): New function.
1322 (frvbf_model_fr500_u_media_dual_expand): New function.
1323 (frvbf_model_fr500_u_media_dual_unpack): New function.
1324 (frvbf_model_fr500_u_media_dual_btoh): New function.
1325 (frvbf_model_fr500_u_media_dual_htob): New function.
1326 (frvbf_model_fr500_u_media_dual_btohe): New function.
1327 (frv_ref_SI): New function.
1328 * cache.h (FRV_CACHE): Add memory_latency field.
1329 * cache.c (frv_cache_init): Initialize memory_latency.
1330 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1331
13321999-12-17 Dave Brolley <brolley@cygnus.com>
1333
1334 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1335 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1336 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1337 (OPTIONS_FRV_TIMER): New enumeration.
1338 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1339 (frv_option_handler): Override common implementation of -p. Handle
1340 --profile-cache, --profile-parallel, --timer.
1341 * mloop.in (execute): Call profiling functions if the timer interrupt
1342 is enabled.
1343 (@cpu@_simulate_insn_prefetch): New function.
1344 (main loop): Call @cpu@_simulate_insn_prefetch.
1345 * interrupts.c (frv_queue_interrupt): Don't queue two external
1346 interrupts of the same priority.
1347 (frv_queue_external_interrupt): New function.
1348 (frv_external_interrupt): New function.
1349 (handle_interrupt): Handle external interrupts.
1350 (check_reset): New function.
1351 (frv_process_interrupts): Call check_reset.
1352 * frv.c: Include "bfd.h"
1353 (frvbf_h_psr_get_handler): Set the PIL field.
1354 (frvbf_h_psr_set_handler): Get the PIL field.
1355 (DUAL_REG): New macro.
1356 (DUAL_DOUBLE): New macro.
1357 (SET_USE_IS_FPOP): New macro.
1358 (SET_USE_NOT_FPOP): New macro.
1359 (USE_IS_FPOP): New macro.
1360 (SET_USE_IS_MEDIA): New macro.
1361 (SET_USE_NOT_MEDIA): New macro.
1362 (USE_IS_MEDIA_P1): New macro.
1363 (SET_USE_IS_MEDIA_P1): New macro.
1364 (SET_USE_NOT_MEDIA_P1): New macro.
1365 (SET_USE_IS_MEDIA_P2): New macro.
1366 (SET_USE_NOT_MEDIA_P2): New macro.
1367 (USE_IS_MEDIA_P2): New macro.
1368 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1369 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1370 (ACC_USE_IS_MEDIA_P1): New macro.
1371 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1372 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1373 (ACC_USE_IS_MEDIA_P2): New macro.
1374 (RESOURCE_IDIV): New macro.
1375 (RESOURCE_FDIV): New macro.
1376 (RESOURCE_SQRT): New macro.
1377 (fr_busy_adjust): New array.
1378 (acc_busy_adjust): New array.
1379 (apply_latency_adjustments): New function.
1380 (update_latencies): New function.
1381 (handle_wait_cycles): New function.
1382 (handle_resource_wait): New function.
1383 (update_target_latencies): New function.
1384 (frvbf_model_insn_before): Add resource latency to cycle counts.
1385 (frvbf_model_insn_after): Add resource latency to cycle counts.
1386 (update_GR_latency): New function.
1387 (update_GRdouble_latency): New function.
1388 (update_FR_latency): New function.
1389 (update_FRdouble_latency): New function.
1390 (decrease_ACC_busy): New function.
1391 (decrease_FR_busy): New function.
1392 (increase_FR_busy): New function.
1393 (update_ACC_latency): New function.
1394 (update_CCR_latency): New function.
1395 (update_idiv_resource_latency): New function.
1396 (update_fdiv_resource_latency): New function.
1397 (update_fsqrt_resource_latency): New function.
1398 (vliw_wait_for_GR): New function.
1399 (vliw_wait_for_GRdouble): New function.
1400 (vliw_wait_for_FR): New function.
1401 (vliw_wait_for_FRdouble): New function.
1402 (vliw_wait_for_CCR): New function.
1403 (vliw_wait_for_ACC): New function.
1404 (vliw_wait_for_idiv_resource): New function.
1405 (vliw_wait_for_fdiv_resource): New function.
1406 (vliw_wait_for_fsqrt_resource): New function.
1407 (enforce_full_fr_latency): New function.
1408 (frvbf_model_fr500_u_exec): New function.
1409 (frvbf_model_fr500_u_integer): New function.
1410 (frvbf_model_fr500_u_imul): New function.
1411 (frvbf_model_fr500_u_idiv): New function.
1412 (frvbf_model_fr500_u_branch): New function.
1413 (frvbf_model_fr500_u_set_hilo): New function.
1414 (frvbf_model_fr500_u_gr_load_store): New function.
1415 (frvbf_model_fr500_u_fr_load_store): New function.
1416 (frvbf_model_fr500_u_swap): New function.
1417 (frvbf_model_fr500_u_fr2fr): New function.
1418 (frvbf_model_fr500_u_fr2gr): New function.
1419 (frvbf_model_fr500_u_spr2gr): New function.
1420 (frvbf_model_fr500_u_gr2fr): New function.
1421 (frvbf_model_fr500_u_gr2spr): New function.
1422 (post_wait_for_FR): New function.
1423 (post_wait_for_FRdouble): New function.
1424 (post_wait_for_ACC): New function.
1425 (post_wait_for_CCR): New function.
1426 (post_wait_for_fdiv): New function.
1427 (post_wait_for_fsqrt): New function.
1428 (adjust_float_register_busy): New function.
1429 (adjust_double_register_busy): New function.
1430 (restore_float_register_busy): New function.
1431 (restore_double_register_busy): New function.
1432 (frvbf_model_fr500_u_float_arith): New function.
1433 (frvbf_model_fr500_u_float_dual_arith): New function.
1434 (frvbf_model_fr500_u_float_div): New function.
1435 (frvbf_model_fr500_u_float_sqrt): New function.
1436 (frvbf_model_fr500_u_float_compare): New function.
1437 (frvbf_model_fr500_u_float_dual_compare): New function.
1438 (frvbf_model_fr500_u_float_convert): New function.
1439 (frvbf_model_fr500_u_media): New function.
1440 (frvbf_model_fr500_u_barrier): New function.
1441 (frvbf_model_fr500_u_membar): New function.
1442 * frv-sim.h (LEUINT): New macro.
1443 (GET_HSR0_SA): New macro.
1444 (struct frv_interrupt_timer): New struct.
1445 (struct frv_interrupt_state): Add timer fiield.
1446 (frv_queue_external_interrupt): New function.
1447 (frv_external_interrupt): New function.
1448 (frv_profile_info): New function.
1449 (PROFILE_CACHE_IDX): New enumerator.
1450 (PROFILE_PARALLEL_IDX): New enumerator.
1451 (PROFILE_cache): New macro.
1452 (PROFILE_parallel): New macro.
1453 (WITH_PROFILE_CACHE_P): New macro.
1454 (WITH_PROFILE_PARALLEL_P): New macro.
1455 * cache.h (FRV_CACHE): Add last_was_hit field.
1456 * cache.c (get_tag): Use new last_was_hit field.
1457 (frv_cache_read): Ditto.
1458 (frv_cache_write): Ditto.
1459 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1460
14611999-12-13 Dave Brolley <brolley@cygnus.com>
1462
1463 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1464 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1465 sim_queue_fn_di_write.
1466 (frvbf_media_cut_ss): New function.
1467 * frv-sim.h (frvbf_media_cut_ss): New function.
1468 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1469
14701999-12-13 Dave Brolley <brolley@cygnus.com>
1471
1472 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1473 no constraints.
1474 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1475 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1476 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1477 FRV_IS_MEDIA_INSN.
1478 * frv.c (frvbf_model_simple_u_exec): New function.
1479 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1480 (FRV_IS_MEDIA_INSN): Range includes M-8.
1481
1482 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1483 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1484 Regenerate.
1485
14861999-12-10 Dave Brolley <brolley@cygnus.com>
1487
1488 * traps.c (check_registers_available): New function.
1489 (clear_ne_flags): Generate register_exception if register(s) not
1490 available.
1491 (frvbf_commit): Generate register_exception if register(s) not
1492 available.
1493 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1494 GR4-GR7 to SR0-SR4.
1495 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1496 PSR.ESR.
1497 (frvbf_h_psr_s_set_handler): New function.
1498 (frvbf_h_psr_esr_set_handler): New function.
1499 (frvbf_switch_supervisor_user_context): New function.
1500 (frvbf_scan_result): Reflect latest ISA.
1501 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1502 (frvbf_h_psr_esr_set_handler): New function.
1503 (frvbf_switch_supervisor_user_context): New function.
1504 (GET_HSR0_FRN): New Macro.
1505 (GET_HSR0_GRN): New Macro.
1506 (GET_HSR0_FRHE): New Macro.
1507 (GET_HSR0_FRLE): New Macro.
1508 (GET_HSR0_GRHE): New Macro.
1509 (GET_HSR0_GRLE): New Macro.
1510 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1511 (GET_ESFR): New bit ordering.
1512 (SET_ESFR): New bit ordering.
1513 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1514
15151999-12-10 Michael Meissner <meissner@cygnus.com>
1516
1517 * Makefile.in (sim-if.o): Add eng.h dependency.
1518
15191999-12-09 Dave Brolley <brolley@cygnus.com>
1520
1521 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1522 Pass sc->last_insn_p to @cpu@_model_insn_before.
1523 (main loop): Compute sc->first_insn_p.
1524 * frv.c (frvbf_model_insn_before): Set state variables.
1525 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1526 (frvbf_model_fr500_u_integer): Remove.
1527 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1528
15291999-12-07 Dave Brolley <brolley@cygnus.com>
1530
1531 * sim-main.h (cache.h): Include it.
1532 (insn_cache): New member.
1533 (data_cache): New member.
1534 (CPU_INSN_CACHE): New macro.
1535 (CPU_DATA_CACHE): New macro.
1536 * sim-if.c (WANT_CPU): New macro.
1537 (WANT_CPU_FRVBF): New macro.
1538 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1539 data and insn caches for each cpu.
1540 (sim_close): Call frv_cache_term for the insn and data caches of each
1541 cpu.
1542 * mloop.in (extract): Read insn from the cache.
1543 (main loop): Access the insn cache in order to maintain stats.
1544 * memory.c (data_non_cache_access): New function.
1545 (insn_non_cache_access): New function.
1546 (frvbf_read_mem_QI): Attempt to read from the cache first.
1547 (frvbf_read_mem_UQI): Ditto.
1548 (frvbf_read_mem_HI): Ditto.
1549 (frvbf_read_mem_UHI): Ditto.
1550 (frvbf_read_mem_SI): Ditto.
1551 (frvbf_read_mem_DI): Ditto.
1552 (frvbf_read_mem_DF): Ditto.
1553 (frvbf_read_imem_USI): New function.
1554 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1555 (frvbf_write_mem_UQI): Ditto.
1556 (frvbf_write_mem_HI): Ditto.
1557 (frvbf_write_mem_UHI): Ditto.
1558 (frvbf_write_mem_SI): Ditto.
1559 (frvbf_write_mem_DI): Ditto.
1560 (frvbf_write_mem_DF): Ditto.
1561 (frvbf_mem_set_QI): New function.
1562 (frvbf_mem_set_HI): New function.
1563 (frvbf_mem_set_SI): New function.
1564 (frvbf_mem_set_DI): New function.
1565 (frvbf_mem_set_DF): New function.
1566 (frvbf_mem_set_XI): New function.
1567 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1568 CGEN_FN_MEM_QI_WRITE,
1569 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1570 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1571 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1572 Call sim_queue_fn_mem_xi_write.
1573 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1574 Call sim_queue_fn_mem_xi_write.
1575 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1576 Call sim_queue_fn_mem_xi_write.
1577 (frvbf_insn_cache_preload): New function.
1578 (frvbf_data_cache_preload): New function.
1579 (frvbf_insn_cache_unlock): New function.
1580 (frvbf_data_cache_unlock): New function.
1581 (frvbf_insn_cache_invalidate): New function.
1582 (frvbf_data_cache_invalidate): New function.
1583 (frvbf_data_cache_flush): New function.
1584 * frv-sim.h (sim-options.h): Include it.
1585 (GET_HSR0): New macro.
1586 (SET_HSR0): New macro.
1587 (GET_HSR0_ICE): New macro.
1588 (SET_HSR0_ICE): New macro.
1589 (GET_HSR0_DCE): New macro.
1590 (SET_HSR0_DCE): New macro.
1591 (GET_HSR0_CBM): New macro.
1592 (GET_HSR0_RME): New macro.
1593 (GET_IHSR8): New macro.
1594 (GET_IHSR8_NBC): New macro.
1595 (frvbf_insn_cache_preload): New function.
1596 (frvbf_data_cache_preload): New function.
1597 (frvbf_insn_cache_unlock): New function.
1598 (frvbf_data_cache_unlock): New function.
1599 (frvbf_insn_cache_invalidate): New function.
1600 (frvbf_data_cache_invalidate): New function.
1601 (frvbf_data_cache_flush): New function.
1602 (insn_non_cache_access): New function.
1603 (frvbf_read_imem_USI): New function.
1604 (frvbf_mem_set_QI): New function.
1605 (frvbf_mem_set_HI): New function.
1606 (frvbf_mem_set_SI): New function.
1607 (frvbf_mem_set_DI): New function.
1608 (frvbf_mem_set_DF): New function.
1609 (frvbf_mem_set_XI): New function.
1610 (frv_options): FRV specific command line options.
1611 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1612 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1613 (cache.o): New target.
1614 (options.o): New target.
1615 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1616 * cache.h: New file.
1617 * cache.c: New file.
1618 * options.c: New file.
1619
16201999-11-29 Dave Brolley <brolley@cygnus.com>
1621
1622 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1623 (frvbf_check_non_excepting_divide): Ditto.
1624 (clear_ne_flags): Ditto
1625 (frvbf_commit): Ditto.
1626 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1627 * mloop.in (_parallel_write_init): Clear NE flags here.
1628 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1629 for non excepting insns. Also check for masked interrupts here.
1630 (frv_process_interrupts): Write NE flags here.
1631 (set_fp_exception_registers): No longer check for masked interrupts
1632 here.
1633 (check_for_compound_interrupt): No need to worry about masked
1634 interrupts.
1635 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1636 (GET_NE_FLAGS): New macro.
1637 (SET_NE_FLAGS): New macro.
1638 (GET_NE_FLAG): Operate on accumulated argument.
1639 (SET_NE_FLAG): Operate on accumulated argument.
1640 (CLEAR_NE_FLAG): Operate on accumulated argument.
1641 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1642 (frv.o): Correct dependencies.
1643 (traps.o): Ditto.
1644 (pipeline.o): Ditto.
1645 (interrupts.o): Ditto.
1646 (memory.o): Ditto.
1647 * sem.c: Regenerate.
1648
16491999-11-26 Dave Brolley <brolley@cygnus.com>
1650
1651 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1652 there is an exception indicated in the mask.
1653 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1654 state when adding a floating point insn to the pipeline.
1655 * interrupts.c (set_fp_exception_registers): Set NE flag for
1656 non-excepting insns.
1657 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1658 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1659 (frvbf_h_fr_int_get_handler): New function.
1660 (frvbf_h_fr_int_set_handler): New function.
1661 (frvbf_set_ne_index): New function.
1662 (NE_NOFLAG): New macro.
1663 (frv_interrupt_state): Add ne_index member.
1664 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1665 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1666 (frvbf_h_fr_int_get_handler): New function.
1667 (frvbf_h_fr_int_set_handler): New function.
1668 (frvbf_set_ne_index): New function.
1669 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1670
16711999-11-24 Dave Brolley <brolley@cygnus.com>
1672
1673 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1674
16751999-11-23 Dave Brolley <brolley@cygnus.com>
1676
1677 * frv-sim.h (frvbf_media_cut): New function.
1678 * frv.c (frvbf_media_cut): New function.
1679 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1680
16811999-11-22 Dave Brolley <brolley@cygnus.com>
1682
1683 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1684 * frv.c.h (frvbf_clear_all_accumulators): New function.
1685 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1686
16871999-11-18 Dave Brolley <brolley@cygnus.com>
1688
1689 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1690 if this is the first insn of its class in the pipeline.
1691 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1692 * traps.c (frvbf_media_register_not_aligned): New function.
1693 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1694
16951999-11-17 Dave Brolley <brolley@cygnus.com>
1696
1697 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1698 * frv-sim.h (OR_MSR_SIE): New macro.
1699 (CLEAR_MSR_SIE): New macro.
1700 (frvbf_media_overflow): Now takes sie argument.
1701 (frv_set_mp_exception_registers): Now takes sie argument.
1702 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1703 Set MSRx.SIE field.
1704 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1705
17061999-11-15 Dave Brolley <brolley@cygnus.com>
1707
1708 * traps.c (frv_mtrap): New function.
1709 (frvbf_media_cr_not_aligned): New function.
1710 (frvbf_media_acc_not_aligned): New function.
1711 (frvbf_media_overflow): New function.
1712 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1713 * interrupts.c: Call frv_set_mp_exception_registers.
1714 (frv_set_mp_exception_registers): New function.
1715 * frv-sim.h (frv_msr_mtt): New enumeration.
1716 (GET_MSR): New macro.
1717 (SET_MSR): New macro.
1718 (GET_MSR_AOVF): New macro.
1719 (SET_MSR_AOVF): New macro.
1720 (GET_MSR_OVF): New macro.
1721 (SET_MSR_OVF): New macro.
1722 (CLEAR_MSR_OVF): New macro.
1723 (GET_MSR_MTT): New macro.
1724 (SET_MSR_MTT): New macro.
1725 (frv_set_mp_exception_registers): New function.
1726 (frv_mtrap): New function.
1727 (FRV_IS_MEDIA_INSN): New macro.
1728 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1729
17301999-11-10 Dave Brolley <brolley@cygnus.com>
1731
1732 * sim-main.h (_sim_cpu): Add debug_state member.
1733 * mloop.in (_parallel_write_queued): Clear data_written.length.
1734 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1735 handler is 0xff.
1736 (frv_queue_break_interrupt): New function.
1737 (frv_break_interrupt): New function.
1738 (handle_interrupt): Handle break_interrupt.
1739 (frv_non_operating_interrupt): Now takes interrupt_kind.
1740 * frv-sim.h (frv_queue_break_interrupt): New function.
1741 (frv_break_interrupt): New function.
1742 (frv_break): New function.
1743 (frv_non_operating_interrupt): Now takes interrupt_kind.
1744 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1745
17461999-11-09 Dave Brolley <brolley@cygnus.com>
1747
1748 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1749 a floating point insn.
1750 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1751 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1752 frv_queue_fp_exception_interrupt.
1753 (frv_queue_fp_exception_interrupt): New function.
1754 (next_available_fq): New function.
1755 (set_fp_exception_registers): New function.
1756 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1757 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1758 (frv_program_interrupt): Don't process interrupt if it is masked.
1759 * frv.c (frvbf_h_fr_double_get_handler): Call
1760 frv_queue_fp_exception_interrupt.
1761 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1762 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1763 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1764 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1765 (frv_fp_exception_info): New struct type.
1766 (frv_interrupt_queue_element): Add fp_info member.
1767 (frv_fsr_traps): New enumeration.
1768 (frv_fsr_ftt): New enumeration.
1769 (frv_sie): New enumeration.
1770 (frv_miv): New enumeration.
1771 (GET_FSR): New macro.
1772 (SET_FSR): New macro.
1773 (GET_FSR_TEM): New macro.
1774 (SET_FSR_QNE): New macro.
1775 (SET_FSR_FTT): New macro.
1776 (GET_FSR_AEXC): New macro.
1777 (SET_FSR_AEXC): New macro.
1778 (GET_FQ): New macro.
1779 (SET_FQ): New macro.
1780 (SET_FQ_OPC): New macro.
1781 (SET_FQ_MIV): New macro.
1782 (SET_FQ_SIE): New macro.
1783 (SET_FQ_FTT): New macro.
1784 (SET_FQ_CEXC): New macro.
1785 (GET_FQ_VALID): New macro.
1786 (SET_FQ_VALID): New macro.
1787 (frv_queue_fp_exception_interrupt): New function.
1788 (FRV_IS_FLOAT_INSN): New macro.
1789
17901999-11-04 Dave Brolley <brolley@cygnus.com>
1791
1792 * traps.c (frvbf_fpu_error): No floating point errors need to be
1793 detected.
1794 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1795 of the ESR registers too.
1796 (set_exception_status_registers): Don't set EAR for any precise
1797 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1798 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1799 (non_operating_interrupt): No need for return code.
1800 (frv_program_or_software_interrupt): Process interrupt regardless
1801 of operating mode. If PSR.ET was not set at the start of processing,
1802 then stop the simulation with a message.
1803 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1804 CGEN_MEM_XI_WRITE.
1805 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1806 (frvbf_h_fr_quad_set_handler): New function.
1807 (frvbf_h_cpr_quad_set_handler): New function.
1808 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1809 sim_queue_fn_xi_write.
1810 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1811 sim_queue_fn_xi_write.
1812 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1813 sim_queue_fn_xi_write.
1814 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1815 sim_queue_mem_xi_write.
1816 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1817 sim_queue_mem_xi_write.
1818 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1819 sim_queue_mem_xi_write.
1820 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1821 (frvbf_h_fr_quad_set_handler): New function.
1822 (frvbf_h_cpr_quad_set_handler): New function.
1823 (SET_ESR_VALID): New macro.
1824 (CLEAR_ESR_VALID): New macro.
1825 (CLEAR_ESR_EAV): New macro.
1826 (CLEAR_ESR_EDV): New macro.
1827 * sem.c: Regenerate.
1828
18291999-11-02 Dave Brolley <brolley@cygnus.com>
1830
1831 * traps.c (frv_core_signal): Call
1832 frv_queue_mem_address_not_aligned_interrupt.
1833 * mloop.in (_parallel_write_queued): Call
1834 frv_save_data_written_for_interrupts.
1835 * frv.c (frvbf_h_gr_double_get_handler): Call
1836 frv_queue_register_exception_interrupt.
1837 (frvbf_h_cpr_double_get_handler): Call
1838 frv_queue_register_exception_interrupt.
1839 (frvbf_h_cpr_double_set_handler): Call
1840 frv_queue_register_exception_interrupt.
1841 (frvbf_load_multiple_GR): Call
1842 frv_queue_register_exception_interrupt.
1843 (frvbf_store_multiple_GR): Call
1844 frv_queue_register_exception_interrupt.
1845 (frvbf_load_multiple_CPR): Call
1846 frv_queue_register_exception_interrupt.
1847 (frvbf_store_multiple_CPR): Call
1848 frv_queue_register_exception_interrupt.
1849 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1850 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1851 queue element.
1852 (frv_queue_program_interrupt): Now returns interrupt queue element.
1853 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1854 element.
1855 (frv_queue_interrupt): Now returns interrupt queue element.
1856 (frv_queue_register_exception_interrupt): New function.
1857 (frv_queue_mem_address_not_aligned_interrupt): New function.
1858 (frv_save_data_written_for_interrupts): New function.
1859 (next_available_edr): EDR registers available in blocks of 4.
1860 (clear_exception_status_registers): New function.
1861 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1862
1863 * frv-sim.h (struct frv_data_written): New struct type.
1864 (frv_interrupt_queue_element): Add data_written member.
1865 (frv_queue_software_interrupt): Now returns interrupt queue element.
1866 (frv_queue_program_interrupt): Now returns interrupt queue element.
1867 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1868 element.
1869 (frv_queue_interrupt): Now returns interrupt queue element.
1870 (frv_queue_register_exception_interrupt): New function.
1871 (frv_queue_mem_address_not_aligned_interrupt): New function.
1872 (frv_save_data_written_for_interrupts): New function.
1873
18741999-10-27 Dave Brolley <brolley@cygnus.com>
1875
1876 * interrupts.c (ITABLE_ENTRY): New macro.
1877 (frv_interrupt_table): Add exception codes.
1878 (next_available_esr): New function.
1879 (next_available_edr): New function.
1880 (set_edr_register): New function.
1881 (set_exception_status_registers): New function.
1882 (check_for_compound_interrupt): Record information on all interrupts
1883 found.
1884 (frv_program_interrupt): Always call check_for_compound_interrupt.
1885 * frv.c (frvbf_h_pc_set_handler): Removed.
1886 (frvbf_h_spr_get_handler): Handle LR register.
1887 (frvbf_h_spr_set_handler): Handle LR register.
1888 (frvbf_h_lr_get_handler): New function.
1889 (frvbf_h_lr_set_handler): New function.
1890 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1891 (frvbf_h_lr_set_handler): New function.
1892 (frv_ec): New enumeration.
1893 (frv_interrupt): Add frv_ec field.
1894 (frv_rec): New enumeration.
1895 (frv_daec): New enumeration.
1896 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1897 (SET_ESR_EC): New macro.
1898 (SET_ESR_REC): New macro.
1899 (SET_ESR_IAEC): New macro.
1900 (SET_ESR_DAEC): New macro.
1901 (SET_ESR_EAV): New macro.
1902 (GET_ESR_EDV): New macro.
1903 (SET_ESR_EDV): New macro.
1904 (GET_ESR_EDN): New macro.
1905 (SET_ESR_EDN): New macro.
1906 (GET_ESR): New macro.
1907 (SET_ESR): New macro.
1908 (SET_EPCR): New macro.
1909 (SET_EAR): New macro.
1910 (SET_EDR): New macro.
1911 (GET_ESFR): New macro.
1912 (SET_ESFR): New macro.
1913 * cpu.c,cpu.h,sem.c: Rebuild.
1914
19151999-10-26 Dave Brolley <brolley@cygnus.com>
1916
1917 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1918 if mach is frv.
1919 (clear_nesr_neear): Only execute if mach is frv.
1920
19211999-10-22 Dave Brolley <brolley@cygnus.com>
1922
1923 * sim-main.h (sim_cpu): Add pipeline.
1924 (CPU_PIPELINE): New macro.
1925 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1926 (main loop): Maintain pc in cpu.
1927 * frv-sim.h (frv_queue_software_interrupt): New interface.
1928 (frv_queue_program_interrupt): New interface.
1929 (frv_queue_illegal_instruction_interrupt: New interface.
1930 (frv_queue_interrupt): New interface.
1931 (frv_detect_insn_access_interrupts): New interface.
1932 (frv_process_interrupts): New interface.
1933 (frv_program_interrupt): New interface.
1934 (frv_software_interrupt): New interface.
1935 (frv_program_or_software_interrupt): New interface.
1936 (FRV_PIPELINE): Moved from pipline.c.
1937 (frv_pipeline_reset): New interface.
1938 (frv_pipeline_add_insn): New interface.
1939 * interrupts.c (frv_queue_software_interrupt): New interface.
1940 (frv_queue_program_interrupt): New interface.
1941 (frv_queue_illegal_instruction_interrupt: New interface.
1942 (frv_queue_interrupt): New interface.
1943 (frv_detect_insn_access_interrupts): New interface.
1944 (frv_process_interrupts): New interface.
1945 (frv_program_interrupt): New interface.
1946 (frv_software_interrupt): New interface.
1947 (frv_program_or_software_interrupt): New interface.
1948 * frv.c: Use new interfaces.
1949 * pipeline.c: Use new interfaces.
1950 * traps.c: Use new interfaces.
1951 * memory.c: Use new interfaces.
1952 (frv_address_forbidden): No longer static.
1953
19541999-10-19 Dave Brolley <brolley@cygnus.com>
1955
1956 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1957 NESR.EC.
1958 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1959 * frv.c (frvbf_h_pc_set_handler): New function.
1960 * interrupts.c (frv_detect_data_interrupt): Removed.
1961 (address_forbidden): Removed.
1962 * frv-sim.h (frv_detect_data_interrupt): Removed.
1963 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1964 (NESR_REGISTER_NOT_ALIGNED): New macro.
1965 (NESR_UQI_SIZE): New macro.
1966 (NESR_QI_SIZE): New macro.
1967 (NESR_UHI_SIZE): New macro.
1968 (NESR_HI_SIZE): New macro.
1969 (NESR_SI_SIZE): New macro.
1970 (NESR_DI_SIZE): New macro.
1971 (NESR_XI_SIZE): New macro.
1972 (GET_NESR_DAEC): New macro.
1973 (SET_NESR_DAEC): New macro.
1974 (GET_NESR_REC): New macro.
1975 (SET_NESR_REC): New macro.
1976 (GET_NESR_EC): New macro.
1977 (SET_NESR_EC): New macro.
1978 (frvbf_read_mem_QI): New function.
1979 (frvbf_read_mem_UQI): New function.
1980 (frvbf_read_mem_HI): New function.
1981 (frvbf_read_mem_UHI): New function.
1982 (frvbf_read_mem_SI): New function.
1983 (frvbf_read_mem_WI): New function.
1984 (frvbf_read_mem_DI): New function.
1985 (frvbf_read_mem_DF): New function.
1986 (frvbf_write_mem_QI): New function.
1987 (frvbf_write_mem_UQI): New function.
1988 (frvbf_write_mem_HI): New function.
1989 (frvbf_write_mem_UHI): New function.
1990 (frvbf_write_mem_SI): New function.
1991 (frvbf_write_mem_WI): New function.
1992 (frvbf_write_mem_DI): New function.
1993 (frvbf_write_mem_DF): New function.
1994 * Makefile.in (SIM_OBJS): Add memory.o.
1995 * cpu.c,cpu.h,sem.c: Rebuild.
1996
19971999-10-18 Dave Brolley <brolley@cygnus.com>
1998
1999 * sim-if.c (sim_open): Use a real fpu error function.
2000 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2001 * mloop.in (_parallel_write_queued): Clear queue after writing.
2002 * interrupts.c (check_for_compound_interrupt): New function.
2003 (non_operating_interrupt): New function.
2004 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2005 (frvbf_h_gr_double_set_handler): New function.
2006 (frvbf_h_fr_double_get_handler): New function.
2007 (frvbf_h_fr_double_set_handler): New function.
2008 (frvbf_h_cpr_double_get_handler): New function.
2009 (frvbf_h_cpr_double_set_handler): New function.
2010 (frv_interrupt_queue_element): New struct type.
2011 (frv_queue_program_interrupt): Now takes pc.
2012 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2013 (frv_queue_interrupt): Now takes pc.
2014 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2015 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2016 (frvbf_division_exception): New function.
2017 (frvbf_fpu_error): New function.
2018 (frvbf_load_multiple_GR): New function.
2019 (frvbf_load_multiple_FR): New function.
2020 (frvbf_load_multiple_CPR): New function.
2021 * frv.c (frvbf_h_gr_double_get_handler): New function.
2022 (frvbf_h_gr_double_set_handler): New function.
2023 (frvbf_h_fr_double_get_handler): New function.
2024 (frvbf_h_fr_double_set_handler): New function.
2025 (frvbf_h_cpr_double_get_handler): New function.
2026 (frvbf_h_cpr_double_set_handler): New function.
2027 (frv_interrupt_queue_element): New struct type.
2028 (frv_queue_program_interrupt): Now takes pc.
2029 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2030 (frv_queue_interrupt): Now takes pc.
2031 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2032 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2033 (frvbf_fpu_error): New function.
2034 (frvbf_load_multiple_GR): New function.
2035 (frvbf_load_multiple_FR): New function.
2036 (frvbf_load_multiple_CPR): New function.
2037 * traps.c (frvbf_division_exception): New function.
2038 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2039
20401999-10-12 Dave Brolley <brolley@cygnus.com>
2041
2042 * mloop.in (new_vpc): New variable.
2043 (main loop): Call frv_detect_insn_access_interrupts. Call
2044 frv_detect_data_interrupts.
2045 * interrupts.c (access_queued_to): New function.
2046 (frv_detect_data_interrupts): New function.
2047 (frv_detect_insn_access_interrupts): New function.
2048 (frv_program_or_software_interrupt): Set PSR.S.
2049 * frv-sim.h (frv_detect_data_interrupts): New function.
2050 (frv_detect_insn_interrupts): New function.
2051
20521999-10-07 Dave Brolley <brolley@cygnus.com>
2053
2054 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2055 (frvbf_h_gr_hi_set_handler): New function.
2056 (frvbf_h_gr_lo_get_handler): New function.
2057 (frvbf_h_gr_lo.set_handler): New function.
2058 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2059 (frvbf_h_gr_hi_set_handler): New function.
2060 (frvbf_h_gr_lo_get_handler): New function.
2061 (frvbf_h_gr_lo.set_handler): New function.
2062 (frvbf_model_fr500_u_integer): New function.
2063 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2064
20651999-10-04 Dave Brolley <brolley@cygnus.com>
2066
2067 * traps.c: Use sim_engine_abort.
2068 * pipeline.c (frv_pipeline): Add field for insn major.
2069 (add_next_to_pipe): Return address of matching pipeline.
2070 (find_major_in_pipeline): New function.
2071 (check_insn_major_constraints: New function.
2072 (frv_pipeline_add_insn): Add checks for insn major constraints.
2073 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2074 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2075
2076Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2077
2078 * pipeline.c: New file.
2079 * mloop.in (main loop): Call frv_pipeline_reset.
2080 Call frv_pipeline_add_insn.
2081 * frv-sim.h (frv_pipeline_reset): New function.
2082 (frv_pipeline_add_insn): New function.
2083 * Makefile.in (SIM_OBJS): Add pipeline.o
2084
20851999-09-29 Doug Evans <devans@casey.cygnus.com>
2086
2087 * sem.c: Rebuild.
2088 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2089 result to SEM_PC. Return vpc.
2090
2091Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2092
2093 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2094 (frv_queue_interrupt): Don't detect identical interrupts here.
2095
2096Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2097
2098 * interrupts.c: New file.
2099 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2100 (frv_software_interrupt): Moved to interrupts.c.
2101 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2102 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2103 (@cpu@_perform_writeback): New function.
2104 (main loop): Call frv_process_interrupts.
2105 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2106 (frv_itrap): New interface.
2107 (frv_interrupt_class): New enumeration.
2108 (frv_interrupt_kind): New enumeration.
2109 (struct frv_interrupt): New struct type.
2110 (frv_interrupt_table): New table of interrupt information.
2111 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2112 (struct frv_interrupt_state): New struct type.
2113 (frv_interrupt_state): New global variable.
2114 (previous_vliw_pc): New global variable.
2115 (frv_queue_software_interrupt): New function.
2116 (frv_queue_program_interrupt): New function.
2117 (frv_queue_interrupt): New function.
2118 (frv_process_interrupts): New function.
2119 (frv_program_interrupt): New function.
2120 (frv_software_interrupt): New function.
2121 (frv_program_or_software_interrupt): New function.
2122 (frv_clear_interrupt_classes): New function.
2123 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2124 * Makefile.in (SIM_OBJS): Add interrupts.o
2125 * sem.c: Rebuild.
2126
21271999-09-25 Doug Evans <devans@casey.cygnus.com>
2128
2129 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2130
2131Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2132
2133 * mloop.in (main loop): Determine last insn from scache entry.
2134 * cpu.h: Rebuild.
2135 * cpuall.h: Rebuild.
2136
2137Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2138
2139 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2140 (NECR_ELOS): Define as unshifted value.
2141 (NECR_NEN): Define as unshifted value.
2142 (NECR_VALID): Define as unshifted value.
2143 (SET_NESR): Rewite to use post-write queue.
2144 (SET_NESR_VALID): Rewite to operate on argument.
2145 (SET_NESR_EAV): Rewite to operate on argument.
2146 (SET_NESR_FR): Rewite to operate on argument.
2147 (CLEAR_NESR_FR): Rewite to operate on argument.
2148 (SET_NESR_DRN): Rewite to operate on argument.
2149 (SET_NESR_SIZE): Rewite to operate on argument.
2150 (SET_NESR_NEAN): Rewite to operate on argument.
2151 (SET_NEEAR): Rewite to use post-write queue.
2152 (SET_NE_FLAG): Rewite to use post-write queue.
2153 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2154 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2155 (frv_rett): Rewite to use post-write queue.
2156 (next_available_nesr): Rewrite to use new macro interfaces.
2157 (next_valid_nesr): Ditto.
2158 (frvbf_check_non_excepting_load): Ditto.
2159 (frvbf_check_recovering_store): Ditto.
2160 (clear_nesr_neear): Ditto.
2161 (clear_ne_flags): Ditto.
2162 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2163 when flag is set.
2164 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2165 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2166 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2167 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2168 * Makefile.in (frv.o): Depend on cgen-par.h.
2169
2170Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2171
2172 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2173 (frvbf_write_next_vliw_addr_to_LR): New flag.
2174 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2175 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2176 address of the next VLIW insn if flag is set.
2177 * cpu.h,decode.c,sem.c: Rebuild.
2178
2179Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2180
2181 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2182 * sem.c: Rebuild.
2183
21841999-09-02 Doug Evans <devans@casey.cygnus.com>
2185
2186 * configure: Regenerated to track ../common/aclocal.m4 changes.
2187
21881999-09-01 Doug Evans <devans@casey.cygnus.com>
2189
2190 * decode.c: Rebuild.
2191
2192Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2193
2194 * traps.c (frv_rett): New function.
2195 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2196 (frvbf_h_spr_set_handler): Handle bpsr.
2197 (frvbf_h_bpsr_get_handler): New function.
2198 (frvbf_h_bpsr_set_handler): New function.
2199 * frv-sim.h (frv_rett): New function.
2200 (frvbf_h_bpsr_get_handler): New function.
2201 (frvbf_h_bpsr_set_handler): New function.
2202 * mloop.in: Read actual packing bit.
2203 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2204
2205Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2206
2207 * traps.c (WANT_CPU): New macro.
2208 (WANT_CPU_FRVBF): New macro.
2209 (frvbf_check_recovering_store): Use registers for source and queue
2210 writes.
2211 * mloop.in: New main loop for parallel support.
2212 (@cpu@_parallel_write_init): New function.
2213 (@cpu@_parallel_write_queued): New function.
2214 * frv-sim.h (set_icc_for_shift_left): New interface.
2215 (set_icc_for_shift_right): New interface.
2216 (frvbf_check_recovering_store): New interface.
2217 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2218 (set_icc_for_shift_right): Pass and return icc value.
2219 (frvbf_check_recovering_store): New interface.
2220 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2221 (stamp-mloop): Add cgen parallel options.
2222 (stamp-arch): Remove with-profile option.
2223 (stamp-cpu): Add cgen parallel options.
2224 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2225
22261999-08-28 Doug Evans <devans@casey.cygnus.com>
2227
2228 * cpu.h,decode.c,sem.c: Rebuild.
2229
2230Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2231
2232 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2233
2234Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2235
2236 * configure.in: fr500 now the default model.
2237 * configure: Regenerate.
2238 * frv.c: Change frv-1 to frv-gen.
2239 (frvbf_model_fr500_u_exec): New function.
2240 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2241 * mloop.in: Fix typos in comments.
2242 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2243
22441999-08-17 Dave Brolley <brolley@cygnus.com>
2245
2246 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2247
22481999-08-09 Doug Evans <devans@casey.cygnus.com>
2249
2250 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2251
22521999-08-04 Doug Evans <devans@casey.cygnus.com>
2253
2254 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2255
2256Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2257
2258 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2259 (frvbf_store_register): Use GDB register number macros.
2260 (frvbf_cut): New function.
2261 * frv-sim.h (GR_REGNUM_MAX): New macro.
2262 (FR_REGNUM_MAX): New macro.
2263 (PC_REGNUM): New macro.
2264 (LR_REGNUM): New macro.
2265 (frvbf_cut): New function.
2266 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2267
22681999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2269
2270 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2271 add default for unhandled registers.
2272 (frvbf_store_register): Add ability to set LR register.
2273
22741999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2275
2276 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2277 (decode_gdb_dr_regnum): Remove, not used.
2278
22791999-07-13 Michael Meissner <meissner@cygnus.com>
2280
2281 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2282
2283 * configure.in (--enable-sim-trapdump): New switch to make unknown
2284 traps dump the register contents, instead of doing the trap thing.
2285 * configure: Regenerate.
2286
2287 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2288 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2289 temporarily.
2290
2291 * traps.h (toplevel): Include bfd.h, libiberity.h.
2292 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2293 dumping the registers.
2294
2295Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2296
2297 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2298
2299Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2300
2301 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2302
2303Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2304
2305 * frv.c (frvbf_square_root_SF): Removed.
2306 (frvbf_square_root_DF): Removed.
2307 (frvbf_h_fr_double_get_handler): Removed.
2308 (frvbf_h_fr_double_set_handler): Removed.
2309 (frvbf_h_fr_int_get_handler): Removed.
2310 (frvbf_h_fr_int_set_handler): Removed.
2311 * frv-sim.h (frvbf_square_root_SF): Removed.
2312 (frvbf_square_root_DF): Removed.
2313 (frvbf_h_fr_double_get_handler): Removed.
2314 (frvbf_h_fr_double_set_handler): Removed.
2315 (frvbf_h_fr_int_get_handler): Removed.
2316 (frvbf_h_fr_int_set_handler): Removed.
2317 * decode.c,decode.h,model.c,sem.c: Rebuild.
2318
23191999-07-05 Doug Evans <devans@casey.cygnus.com>
2320
2321 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2322 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2323 * sim-if.c (sim_open): Initialize fpu.
2324 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2325 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2326 with frvbf_h_fr_get.
2327
2328Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2329
2330 * frv-sim.h (NESR_RANGE): New macro.
2331 (NO_NESR): New macro.
2332 (GET_NESR_VALID): New macro.
2333 (next_ne_index): Removed.
2334 * traps.c (next_available_nesr): New function.
2335 (next_valid_nesr): New function.
2336 (frvbf_check_non_excepting_load): Use next_available_nesr.
2337 (frvbf_check_recovering_store): Use next_available_nesr and
2338 next_valid_nesr.
2339 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2340 (frvbf_check_recovering_store): Only consider one matching register.
2341 * sem.c: Rebuild.
2342
2343Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2344
2345 * frv.c (frvbf_square_root_SF): New function.
2346 (frvbf_square_root_DF): New function.
2347 (frvbf_h_fr_double_get_handler): New function.
2348 (frvbf_h_fr_double_set_handler): New function.
2349 * frv-sim.h (frvbf_square_root_SF): New function.
2350 (frvbf_square_root_DF): New function.
2351 (frvbf_h_fr_double_get_handler): New function.
2352 (frvbf_h_fr_double_set_handler): New function.
2353 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2354
23551999-06-28 Dave Brolley <brolley@cygnus.com>
2356
2357 * decode.c,decode.h,model.c,sem.c: Regenerate.
2358
2359Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2360
2361 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2362 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2363 (frvbf_h_fr_int_set_handler): New function.
2364 (frvbf_store_multiple_FRint): New function.
2365 (frvbf_square_root_SF): New function.
2366 * frv.c (frvbf_h_fr_int_get_handler): New function.
2367 (frvbf_h_fr_int_set_handler): New function.
2368 (frvbf_store_multiple_FRint): New function.
2369 (frvbf_square_root_SF): New function.
2370 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2371
23721999-06-23 Doug Evans <devans@casey.cygnus.com>
2373
2374 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2375 to genmloop.sh. Pass -scache instead.
2376 (mloop.o): Delete sem-switch.c dependency.
2377 (sem-switch.c): Delete rule.
2378 (stamp-cpu): Don't build sem-switch.c.
2379 * sem-switch.c: Delete.
2380 * mloop.in (xfull-exec-*): Fix call to execute.
2381 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2382
2383 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2384
2385Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2386
2387 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2388
2389Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2390
2391 * mloop.in (execute): Force gr0 to zero before each insn.
2392 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2393
23941999-06-18 Doug Evans <devans@casey.cygnus.com>
2395
2396 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2397
2398Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2399
2400 * frv.c (frvbf_h_gr_get_handler): New function.
2401 (frvbf_h_gr_set_handler): New function:
2402 (frvbf_store-multiple_GR): New function:
2403 (frvbf_store-multiple_FR): New function:
2404 (frvbf_store-multiple_CPR): New function:
2405 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2406 (frvbf_h_gr_set_handler): New function:
2407 (frvbf_store-multiple_GR): New function:
2408 (frvbf_store-multiple_FR): New function:
2409 (frvbf_store-multiple_CPR): New function:
2410 * traps.c (frv_itrap): Implement proper syscalls interface.
2411 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2412
2413Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2414
2415 * traps.c (frvbf_check_non_excepting_divide): New function.
2416 (frvbf_check_recovering_store): New function.
2417 (clear_nesr_neear): New function.
2418 (clear_ne_flags): New function.
2419 (frvbf_commit): New function.
2420
2421 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2422 (frvbf_check_recovering_store): New function.
2423 (clear_nesr_neear): New function.
2424 (clear_ne_flags): New function.
2425 (frvbf_commit): New function.
2426 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2427
24281999-06-16 Dave Brolley <brolley@cygnus.com>
2429
2430 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2431 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2432 * traps.c (next_ne_index): New variable.
2433 (frvbf_check_non_excepting_load): New function.
2434 * frv-sim.h (NECR_ELOS): New macro.
2435 (NECR_NEN): New macro.
2436 (NECR_VALID): New macro.
2437 (SET_NESR_VALID): New macro.
2438 (SET_NESR_EAV): New macro.
2439 (SET_NESR_FR): New macro.
2440 (CLEAR_NESR_FR): New macro.
2441 (SET_NESR_DRN): New macro.
2442 (SET_NESR_SIZE): New macro.
2443 (SET_NESR_NEAN): New macro.
2444 (SET_NEEAR): New macro.
2445 (GET_NE_FLAG): New macro.
2446 (SET_NE_FLAG): New macro.
2447 (CLEAR_NE_FLAG): New macro.
2448 (frvbf_check_non_excepting_load): New function:
2449 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2450
2451Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2452
2453 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2454
2455Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2456
2457 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2458 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2459
2460Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2461
2462 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2463
24641999-06-07 Dave Brolley <brolley@cygnus.com>
2465
2466 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2467
2468Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2469
2470 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2471
2472Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2473
2474 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2475
2476Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2477
2478 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2479
2480Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2481
2482 * traps.c (frv_software_interrupt): Pass current_cpu to
2483 frvbf_h_psr_esr_get.
2484 (frv_software_interrupt): Calculate the new PC based on TBR.
2485 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2486
24871999-05-31 Dave Brolley <brolley@cygnus.com>
2488
2489 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2490
2491Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2492
2493 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2494 (frvbf_h_cccr_set_handler): New function.
2495 (frvbf_scan_result): New function.
2496 (frvbf_cr_logic): New function.
2497 * frv.c (frvbf_h_cccr_get_handler): New function.
2498 (frvbf_h_cccr_set_handler): New function.
2499 (frvbf_scan_result): New function.
2500 (frvbf_cr_logic): New function.
2501 (cr_ops,cr_result,cr_logic): New table.
2502 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2503
25041999-05-25 Dave Brolley <brolley@cygnus.com>
2505
2506 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2507 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2508 (frv_psr_get_handler): New function.
2509 (frv_psr_set_handler): New function.
2510 (frv_tbr_get_handler): New function.
2511 (frv_tbr_set_handler): New function.
2512 (frvbf_h_ccr_get_handler): Add support for fCC.
2513 (frvbf_h_ccr_set_handler): Add support for fCC.
2514 * frv-sim.h (frv_psr_get_handler): New function.
2515 (frv_psr_set_handler): New function.
2516 (frv_tbr_get_handler): New function.
2517 (frv_tbr_set_handler): New function.
2518 * traps.c (frv_software_interrupt): Implement.
2519 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2520
2521Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2522
2523 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2524
25251999-05-18 Dave Brolley <brolley@cygnus.com>
2526
2527 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2528 (frvbf_set_icc_for_shift_right): New function.
2529 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2530 (frvbf_set_icc_for_shift_right): New function.
2531 (SETMEMSF): New Macro.
2532 (SETMEMDF): New Macro.
2533 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2534
2535Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2536
2537 * frv.c (frvbf_h_ccr_get_handler): New function.
2538 (frvbf_h_ccr_set_handler): New function.
2539 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2540
2541Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2542
2543 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2544 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2545 * frv.c: Likewise.
2546 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2547
25481999-05-10 Dave Brolley <brolley@cygnus.com>
2549
2550 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2551
2552Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2553
2554 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2555 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2556
2557Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2558
2559 * traps.c (frv_software_interrupt): New function.
2560 (frv_itrap): New function.
2561 * frv-sim.h (TRAP_SYSCALL): define as 0.
2562 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2563
2564Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2565
2566 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2567
2568Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2569
2570 * Directory created.
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