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* aclocal.m4 (SIM_AC_OUTPUT): Substitute @cgen_breaks@ for "break
[thirdparty/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
45aa12b4
RS		 12004-08-27 Richard Sandiford <rsandifo@redhat.com>
2
3 * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
4 * cpuall.h, model.c, sem.c: Regenerated.
5
676a64f4
RS		 62004-03-01 Richard Sandiford <rsandifo@redhat.com>
7
8 * Makefile.in (SIM_OBJS): Add profile-fr450.o.
9 (profile-fr450.o): New dependency.
10 (stamp-cpu): Add fr450 to the list of machs.
11 * sim-frv.h (SPR_IS_ACC): New macro.
12 (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
13 * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
14 * frv.c (check_register_alignment, check_fr_register_alignment)
15 (check_memory_alignment, do_media_average): Likewise.
16 (frvbf_clear_accumulators): Likewise. Use a mask of valid registers
17 rather than a consecutive range.
18 * interrupts.c (frv_queue_illegal_instruction_interrupt)
19 (frv_queue_non_implemented_instruction_interrupt): Handle
20 bfd_mach_fr450.
21 * memory.c (check_data_read_address, check_readwrite_address)
22 (check_insn_read_address, check_write_address): Likewise.
23 * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
24 * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
25 (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
26 * profile-fr450.c: New file.
27 * registers.c (fr450_spr): New array.
28 (frv_register_control_init): Check its size. Use it for fr450.
29 (frv_check_register_access): Handle bfd_mach_fr450.
30 (frv_check_spr_read_access): Likewise. Generalize accumulator check.
31 * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
32 (frvbf_media_acc_not_aligned): Likewise.
33 (frvbf_media_register_not_aligned): Likewise.
34 * arch.c: Regenerate.
35 * arch.h: Regenerate.
36 * cpu.h: Regenerate.
37 * cpuall.h: Regenerate.
38 * decode.h: Regenerate.
39 * model.c: Regenerate.
40
c7a48b9a
RS		 412004-03-01 Richard Sandiford <rsandifo@redhat.com>
42
43 * cache.c (frv_cache_init): Change fr400 cache statistics to match
44 the fr405.
45 (non_cache_access): Add missing breaks.
46 * interrupts.c (set_exception_status_registers): Always set EAR15
47 for data_access_errors.
48 * memory.c (fr400_check_write_address): Remove redundant alignment
49 check.
50 * model.c: Regenerate.
51
8b73069f
RS		 522004-03-01 Richard Sandiford <rsandifo@redhat.com>
53
54 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
55
8ae0baa2
RS		 562004-03-01 Richard Sandiford <rsandifo@redhat.com>
57
58 * decode.c, decode.h, model.c, sem.c: Regenerate.
59
d74c4203
KB		 602003-11-24 Kevin Buettner <kevinb@redhat.com>
61
62 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
63 (SPR_REGNUM_MAX): Delete.
64 * frv.c (gdb/sim-frv.h): Include.
65 (frvbf_fetch_register, frvbf_store_register): Use register number
66 constants from gdb/sim-frv.h. Check availability of general
67 purpose and float registers.
68
0b01870b
DB		 692003-11-03 Dave Brolley <brolley@redhat.com>
70
71 * cache.c (address_interference): Check for higher priority requests
72 in the same pipeline.
73
9a29f3ca
DB		 742003-10-31 Dave Brolley <brolley@redhat.com>
75
162cec1b 76 * frv-sim.h (LR_REGNUM): Removed.
073926e5 77 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 78 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 79 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 80 Return 0 for an unimplemented register. Return the length of the data
81 for an implemented register.
82 (frvbf_store_register): Ditto.
83
fc0a2244
AC		 842003-10-30 Andrew Cagney <cagney@redhat.com>
85
86 * traps.c: Replace "struct symbol_cache_entry" with "struct
87 bfd_symbol".
88
29a79ca0
DB		 892003-10-10 Dave Brolley <brolley@redhat.com>
90
91 * cpu.h, sem.c: Regenerate.
92
e930b1f5
DB		 932003-10-06 Dave Brolley <brolley@redhat.com>
94
95 * profile-fr550.[ch]: New files.
96 * configure.in: Move frv handling to alphabetically correct placement.
97 * Makefile.in: Add fr550 support.
98 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
99 profile.[ch],registers.c,traps.c: Add fr550 support.
100 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
101 Regenerate.
102
22f367a7
DB		 1032003-09-25 Dave Brolley <brolley@redhat.com>
104
105 * reset.c (frv_initialize): Call frv_register_control_init first.
106
1c453cd6
DB		 1072003-09-24 Dave Brolley <brolley@redhat.com>
108
109 * profile.h (update_FR_ptime): New prototype.
110 (update_FRdouble_ptime): Ditto.
111 (update_SPR_ptime): Ditto.
112 (increase_ACC_busy): Ditto.
113 (enforce_full_acc_latency): Ditto.
114 (post_wait_for_SPR): Ditto.
115 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
116 (update_FRdouble_ptime): Ditto.
117 (update_SPR_ptime): New function.
118 (increase_ACC_busy): Ditto.
119 (enforce_full_acc_latency): Ditto.
120 (vliw_wait_for_fdiv_resource): Correct resource name.
121 (vliw_wait_for_fsqrt_resource): Ditto.
122 (post_wait_for_SPR): New function.
123 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
124 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
125 adjust_float_register_busy.
126 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
127 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
128 registers.
129 (frvbf_model_fr500_u_float_arith): Ditto.
130 (frvbf_model_fr500_u_float_dual_arith): Ditto.
131 (frvbf_model_fr500_u_float_div): Ditto.
132 (frvbf_model_fr500_u_float_sqrt): Ditto.
133 (frvbf_model_fr500_u_float_convert): Ditto.
134 (update_FR_ptime): Moved to profile.c
135 (update_FRdouble_ptime): Moved to profile.c
136 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
137 for other machines.
138 (update_FRdouble_ptime): Ditto.
139 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
140
153431d6
DB		 1412003-09-12 Dave Brolley <brolley@redhat.com>
142
143 * registers.c (frv_check_spr_read_access): Check for access to
144 ACC4-ACC63 and ACCG4-ACCG63.
145 * profile.h (frv-desc.h): #include it.
146 (spr_busy): New member of FRV_PROFILE_STATE.
147 (spr_latency): Ditto.
148 (GNER_FOR_GR): New macro.
149 (FNER_FOR_FR): New maccro.
150 (update_SPR_latency): New function.
151 (vliw_wait_for_SPR): New function.
93938d47 152 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 153 (update_target_latencies): Ditto.
154 (update_SPR_latency): New function.
155 (vliw_wait_for_SPR): New function.
156 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
157 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
158 (frvbf_model_fr500_u_check): Ditto.
159 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
160 (frvbf_model_fr500_u_clrfr): Ditto.
161 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
162 (frvbf_model_fr500_u_gr2spr): Ditto.
163 * frv-sim.h (H_SPR_ACC4): New macro.
164 (H_SPR_ACCG4): New macro;
165 (H_SPR_ACC0): Removed.
166 (H_SPR_ACCG0): Removed.
167 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
168
ba9c4053
DB		 1692003-09-10 Dave Brolley <brolley@redhat.com>
170
171 * profile.c (slot_names): FM1 was listed twice. Changed first
172 instance to FM0. Added IALL, FMALL and FMLOW.
173 (print_parallel): Don't examine slots with no insns.
174
f9e18f5a
DB		 1752003-09-09 Dave Brolley <brolley@redhat.com>
176
177 * frv.c (do_media_average): Select machine using a switch.
178
d89a78b6
DB		 1792003-09-08 Dave Brolley <brolley@redhat.com>
180
181 On behalf of Doug Evans <dje@sebabeach.org>
182 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
183 Remove copying of .cpu file to cgen/cpu, no longer needed.
184
d03ea14f
DB		 1852003-09-03 Dave Brolley <brolley@redhat.com>
186
187 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
188
e8d2f504
DB		 1892003-08-29 Dave Brolley <brolley@redhat.com>
190
191 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
192 temporarily when regenerating files.
193 (stamp-cpu): Ditto.
194
b34f6357
DB		 1952003-08-20 Micheal Snyder <msnyder@redhat.com>
196
197 * All generated files: Regenerate.
198
1992001-10-11 Dave Brolley <brolley@redhat.com>
200
201 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
202
2032001-10-09 Dave Brolley <brolley@redhat.com>
204
205 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
206 not set.
207 * reset.c (frv_hardware_reset): Invalidate both caches.
208 * registers.c: Update init, reset and read-only masks for all registers
209 on all machines.
210 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
211 (prev_gr_complex): New field of FRV_PROFILE_STATE
212 (set_use_is_gr_complex): New function.
213 (set_use_not_gr_complex): New function.
214 (use_is_gr_complex): New function.
215 (decrease_GR_busy): New function.
216 * profile.c (reset_gr_flags): New function.
217 (reset_cc_flags): New function.
218 (set_use_is_gr_complex): New function.
219 (set_use_not_gr_complex): New function.
220 (use_is_gr_complex): New function.
221 (update_latencies): Reset gr and cc flags when latency reaches 0.
222 (decrease_GR_busy): New function.
223 * profile-fr400.h (fr500_reset_acc_flags): Removed.
224 (fr500_reset_cc_flags): New function.
225 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
226 LSI version 1.41.
227 * profile-fr400.h (fr400_reset_gr_flags): New function.
228 (fr400_reset_fr_flags): New function.
229 (fr400_reset_acc_flags): New function.
230 * profile-fr400.c (set_use_not_media_p4): New function.
231 (set_use_not_media_p6): New function.
232 (set_acc_use_not_media_p2): New function.
233 (set_acc_use_not_media_p4): New function.
234 (fr400_reset_gr_flags): New function.
235 (fr400_reset_fr_flags): New function.
236 (fr400_reset_acc_flags): New function.
237 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
238 (frvbf_model_fr400_u_media_hilo): New function.
239 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
240 * memory.c (fr400_check_data_read_address): Check address range only
241 for double word loads. Don't check alignment here.
242 (fr400_check_readwrite_address): New function.
243 (fr500_check_readwrite_address): New function.
244 (check_readwrite_address): New function.
245 (fr500_check_insn_read_address): Correct address ranges.
246 (frvbf_read_mem_*): Check address range here.
247 (frv_address_forbidden): Removed.
248 (fr400_check_write_address): New function.
249 (check_write_address): New function.
250 (frvbf_write_mem_*): Don't check address range here.
251 (frvbf_mem_set_*): Check address range here.
252 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
253 address as second argument.
254 (frv_queue_data_access_exception_interrupt): New function.
255 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
256 media insns on fr400.
257 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
258 for media insns on fr400.
259 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
260 of insns here. Check for MTRAP insn if PSR.EM is not set.
261 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
262 set.
263 (set_exception_status_registers): Do not always set EPCR. Set EAR for
264 data_acess_error only if not fr400.
265 * frv.c (do_media_average): New function.
266 (frvbf_media_average): New function.
267 (frvbf_insn_cache_invalidate): Check for illegal invocation.
268 (frvbf_data_cache_invalidate): Ditto.
269 (frvbf_data_cache_flush): Ditto.
270 * frv-sim.h (GET_FSR_QNE): New macro.
271 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
272 (GET_MSR_SRDAV): New macro.
273 (GET_MSR_RDAV): New macro.
274 (GET_MSR_RD): New macro.
275 (frv_queue_data_access_error_interrupt): Now takes an address as second
276 argument.
277 (frv_address_forbidden): Removed.
278 * cache.c (non_cache_access): Correct address ranges. Now takes cache
279 as first argument.
280 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
281
2822001-08-20 Dave Brolley <brolley@redhat.com>
283
284 * sim-main.h (_sim_cpu): New field 'elf_flags'.
285 * sim-if.c (sim_open): Extract the elf_flags from the input file and
286 save them with each cpu.
287 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
288 last_insn_p before executing the insn.
289 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
290 insn cache.
291 (frv_cache_invalidate_all): Ditto.
292
2932001-08-20 Richard Sandiford <rsandifo@redhat.com>
294
295 * traps.c (syscall_read_mem): Flush the data cache before reading.
296 (syscall_write_mem): Flush the data cache before writing.
297 Invalidate both caches.
298
2992001-07-05 Ben Elliston <bje@redhat.com>
300
301 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
302 (stamp-cpu): Likewise.
303
3042001-05-23 Dave Brolley <brolley@redhat.com>
305
306 * profile-fr400.c (acc_use_is_media_p2): New function.
307 (frvbf_model_fr400_u_media_2): Account for latency of output
308 accumulators.
309 (frvbf_model_fr400_u_media_2_quad): Ditto.
310 (frvbf_model_fr400_u_media_2_acc): New function.
311 (frvbf_model_fr400_u_media_2_acc_dual): New function.
312 (frvbf_model_fr400_u_media_2_add_sub): New function.
313 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
314 (frvbf_model_fr400_u_media_3_dual): New function.
315 (frvbf_model_fr400_u_media_4_acc_dual): New function.
316 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
317
3182001-05-15 Dave Brolley <brolley@redhat.com>
319
320 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
321 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
322 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
323 (request_cache_flush): Save 'all' argument.
324 (request_cache_invalidate): Save all_cache_entries from profile state
325 to 'all' field of the request.
326 (submit_cache_request): Pass the 'all' field of the request to
327 frv_cache_request_invalidate.
328 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
329 operation even if HSR0.ICE is not set.
330 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
331 operation even if HSR0.DCE is not set.
332 (frv_data_cache_flush): Ditto.
333 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
334 (frv_data_cache_invalidate): Add new 'all' parameter.
335 (frv_data_cache_flush): Add new 'all' parameter.
336 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
337 (frv_cache_request_invalidate): Add new 'all' parameter.
338 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
339 its value in the invalidate request.
340 (address_interference): Accept the value '-1' for the address argument
341 to mean 'any address'.
342 (handle_req_invalidate): Handle request to invalidate all cache lines.
343 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
344
3452001-05-14 Dave Brolley <brolley@redhat.com>
346
347 * profile.h (past_first_p): New field of profiling state.
348 (branch_penalty): Ditto.
349 (branch_hint): Ditto.
350 (update_branch_penalty): New function.
351 * profile.c (frvbf_model_insn_after): Reset past_first_p and
352 branch_address fields of the profiling state.
353 (frvbf_model_branch): New function.
354 (update_branch_penalty): New function.
355 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
356 FCCi_3 inputs.
357 (frvbf_model_fr500_u_trap): New function.
358 (frvbf_model_fr500_u_check): New function.
359 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
360 cycles.
361 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
362 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
363 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
364 documented in teh fr400 LSI.
365 (frvbf_model_fr400_u_media_dual_htob): Ditto.
366 (frvbf_model_fr400_u_media_dual_unpack): Removed.
367 (frvbf_model_fr500_u_trap): New function.
368 (frvbf_model_fr500_u_check): New function.
369 * mloop.in (simulate_dual_insn_prefetch): New function.
370 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
371 arguments for each machine type.
372 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
373
3742001-05-09 Dave Brolley <brolley@redhat.com>
375
376 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
377 (profile-fr400.o): New target.
378 * profile.c: New file.
379 * profile.h: New file.
380 * profile-fr400.c: New file.
381 * profile-fr400.h: New file.
382 * profile-fr500.c: New file.
383 * profile-fr500.h: New file.
384 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
385
3862001-05-02 Dave Brolley <brolley@redhat.com>
387
388 * sim-main.h (profile.h): #include it.
389 (CPU_PROFILE_STATE): New macro.
390 (profile_state): New frv specific cpu field.
391 * reset.c (frv_initialize): insn_fetch_address and branch_address now
392 part of global profiling state.
393 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
394 (SIM_EXTRA_DEPS): Add profile.h.
395 (registers.o): Correct name of source file.
396 (profile.o): New target.
397 (profile-fr500.o): New target.
398 * frv-sim.h: Move profile related data structures to profile.h.
399 * frv.c: Move fr500 specific functions to profile-fr500.c.
400 * cpu.h: Regenerated.
401
4022001-04-27 Dave Brolley <brolley@redhat.com>
403
404 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
405 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
406 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
407 Rename PIPE_* to UNIT_*.
408 (frv_queue_illegal_instruction_interrupt): Use
409 frv_is_float_insn and frv_is_media_insn.
410 (frv_queue_non_implemented_instruction_interrupt): Ditto.
411 (frv_detect_insn_access_interrupts): Ditto.
412 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
413 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
414 * memory.c: Ditto.
415 * pipeline.c: Ditto.
416 * mloop.in: Ditto.
417 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
418 * cache.c: Rename PIPE_* to UNIT_*.
419
4202001-04-24 Dave Brolley <brolley@redhat.com>
421
422 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
423 (frvbf_load_quad_FRint): Ditto.
424 (frvbf_load_quad_CPR): Ditto.
425 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
426 machines.
427 (bfd.h): #include it.
428 (non_cache_access): Update for revised fr500 and for fr400.
429 * registers.c (frv_spr): Don't reset PSR.PS.
430 (fr500_spr): Ditto.
431 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
432
4332001-04-23 Dave Brolley <brolley@redhat.com>
434
435 * traps.c (frv_core_signal): On fr400, generate data_access_error.
436 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
437 (frvbf_media_acc_not_aligned): Ditto.
438 (frvbf_media_register_not_aligned): Ditto.
439 (frvbf_division_exception): Use GET_ISR_EDE.
440 * registers.c (frv_check_spr_read_access): New function.
441 (frv_check_spr_write_access): New function.
442 (frv_check_spr_access): Deleted.
443 (frv_check_register_access): On fr400, generate illegal_instruction.
444 * memory.c (fr400_check_data_read_address): New function.
445 (fr500_check_data_read_address): Ditto.
446 (check_data_read_address): Ditto.
447 (fr400_check_insn_read_address): Ditto.
448 (fr500_check_insn_read_address): Ditto.
449 (check_insn_read_address): Ditto.
450 (frvbf_read_mem_QI): Call check_data_read_access.
451 (frvbf_read_mem_UQI): Ditto.
452 (frvbf_read_mem_HI): Ditto.
453 (frvbf_read_mem_UHI): Ditto.
454 (frvbf_read_mem_SI): Ditto.
455 (frvbf_read_mem_DI): Ditto.
456 (frvbf_read_mem_DF): Ditto.
457 (frvbf_read_imem_USI): Call check_insn_read_access.
458 (frv_address_forbidden): Now takes cpu as first argument. Check based
459 on machine type.
460 (fr400_mem_address_unaligned): New function.
461 (fr500_mem_address_unaligned): Ditto.
462 (check_write_address): Ditto.
463 (frvbf_mem_set_QI): Call check_write_address.
464 (frvbf_mem_set_HI): Ditto.
465 (frvbf_mem_set_SI): Ditto.
466 (frvbf_mem_set_DI): Ditto.
467 (frvbf_mem_set_DF): Ditto.
468 (frvbf_mem_set_XI): Ditto.
469 * interrupts.c (bfd.h): #include it.
470 (frv_queue_data_access_error_interrupt): New function.
471 (frv_queue_instruction_access_error_interrupt): New function.
472 (frv_queue_instruction_access_exception_interrupt): New function.
473 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
474 (frv_queue_non_implemented_instruction_interrupt): Ditto.
475 (frv_detect_insn_access_interrupts): Reorder tests to match priority
476 from the LSI manual.
477 (set_isr_exception_fields): Accumulate dtt bits.
478 * frv.c (check_register_alignment): New function.
479 (check_fr_register_alignment): New function.
480 (check_memory_alignment): New function.
481 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
482 (frvbf_h_gr_double_set_handler): Ditto.
483 (frvbf_h_cpr_double_get_handler): Ditto.
484 (frvbf_h_cpr_double_set_handler): Ditto.
485 (frvbf_h_gr_quad_set_handler): Ditto.
486 (frvbf_h_cpr_quad_set_handler): Ditto.
487 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
488 (frvbf_h_fr_double_set_handler): Ditto.
489 (frvbf_h_fr_quad_set_handler): Ditto.
490 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
491 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
492 (frvbf_load_quad_GR): Call check_memory_aligment.
493 (frvbf_load_quad_FRint): Ditto.
494 (frvbf_load_quad_CPR): Ditto.
495 (frvbf_store_quad_GR): Call check_memory_aligment and
496 check_register_alignment.
497 (frvbf_store_quad_FRint): Ditto.
498 (frvbf_store_quad_CPR): Ditto.
499 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
500 * frv-sim.h (H_SPR_ACC0): New macro.
501 (H_SPR_ACC63): New macro.
502 (H_SPR_ACCG0): New macro.
503 (H_SPR_ACCG63): New macro.
504 (frv_dtt): New enumerator.
505 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
506 (GET_ISR_DTT): New macro.
507 (frv_queue_data_access_error_interrupt): New function.
508 (frv_queue_instruction_access_error_interrupt): New function.
509 (frv_queue_instruction_access_exception_interrupt): New function.
510 (frv_address_forbidden): Now takes cpu as first argument.
511 * cpu.h: Regenerate.
512
5132001-04-10 Dave Brolley <brolley@redhat.com>
514
515 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
516 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
517 (fr400_spr): Implement SPR registers for fr400.
518 (frv_register_control_init): Handle bfd_mach_fr400 properly.
519 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
520 (spr_psr_get_handler): Ditto.
521 (spr_ccr_get_handler): Ditto.
522 (spr_cccr_get_handler): Ditto.
523 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
524 * frv-sim.h: Update comment about MCCR_* macros.
525 * cpu.c,cpu.h: Regenerate.
526
5272001-04-05 Dave Brolley <brolley@redhat.com>
528
529 * cpu.h,decode.c,model.c,sem.c: Regenerate.
530
5312001-04-05 Dave Brolley <brolley@redhat.com>
532
533 * reset.c: Update copyright.
534 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
535 * frv.c (frvbf_model_fr400_u_exec): New function.
536 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
537 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
538 Regenerate.
539
5402000-11-22 Dave Brolley <brolley@redhat.com>
541
542 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
543 Regenerate.
544
5452000-11-10 Dave Brolley <brolley@redhat.com>
546
547 * decode.c: Regenerate.
548
5492000-09-12 Dave Brolley <brolley@redhat.com>
550
551 * traps.c (frv_sim_engine_halt_hook): New function.
552 (frv_itrap): Caches now invalidated in sim_engine_halt via
553 SIM_ENGINE_HALT_HOOK.
554 (frv_break): Ditto.
555 * sim-main.h (frv_sim_engine_halt_hook): New function.
556 (SIM_ENGINE_HALT_HOOK): New macro.
557 (SIM_ENGINE_RESTART_HOOK): New macro.
558 * interrupts.c: Call to frv_term now done within sim_engine_halt via
559 SIM_ENGINE_HALT_HOOK.
560
5612000-09-08 Dave Brolley <brolley@redhat.com>
562
563 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
564 respectively when stopping for a breakpoint.
565 (frv_break): Ditto.
566 * cache.h (frv_cache_invalidate_all): New function.
567 * cache.c (frv_cache_invalidate_all): New function.
568
5692000-09-05 Dave Brolley <brolley@redhat.com>
570
571 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
572 sim_handle_breakpoint. Otherwise if environment != operating call
573 sim_engine_halt. Otherwise handle normally.
574 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
575 breakpoints here. Moved to frv_break in traps.c.
576
577 * sem.c: Regenerate.
578
5792000-09-01 Dave Brolley <brolley@redhat.com>
580
581 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
582 before queuing an interrupt in order to allow 'break' to be used as
583 the breakpoint insn.
584
5852000-08-29 Dave Brolley <brolley@redhat.com>
586
587 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
588
5892000-07-27 Dave Brolley <brolley@redhat.com>
590
591 * cpu.h,decode.c: Rebuild.
592
5932000-07-26 Dave Brolley <brolley@redhat.com>
594
595 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
596 (spr_cccr_set_handler): Change CRx to CCx.
597 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
598
5992000-07-24 Dave Brolley <brolley@redhat.com>
600
601 * sem.c: Regenerate.
602 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
603 Don't write it directly.
604
605Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
606
607 * configure: Regenerated to track ../common/aclocal.m4 changes.
608
6092000-07-05 Ben Elliston <bje@redhat.com>
610
611 * configure: Regenerated to track ../common/aclocal.m4 changes.
612
6132000-06-28 Dave Brolley <brolley@redhat.com>
614
615 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
616
6172000-06-21 Dave Brolley <brolley@redhat.com>
618
619 * pipeline.c: All code except frv_pipeline_setup_insn moved to
620 frv.opc.
621 * mloop.in (main loop): frv_pipeline_add_insn broken up into
622 frv_pipeline_add_insn and frv_pipeline_setup_insn.
623 * frv-sim.h: Move pipeline status code to frv.opc.
624 * model.c: Regenerate.
625
6262000-06-12 Dave Brolley <brolley@redhat.com>
627
628 * options.c (frv_option_handler): --profile-parallel implies
629 --profile-model.
630 * mloop.in (fetch_buffer): Removed.
631 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
632 run_caches. Use cache directly if not counting cycles. Don't use
633 cache at all if not counting cycles and cache not enabled.
634 * frv.c (frv_insn_fetch_buffer): New global variable.
635 (run_caches): Monitor the status of insn prefetch requests.
636 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
637 (frv_insn_fetch_buffer): New global variable.
638
6392000-06-12 Dave Brolley <brolley@redhat.com>
640
641 * mloop.in (fetch_buffer): New static struct.
642 (@cpu@_simulate_insn_prefetch): Rewritten.
643 * cache.c (frv_cache_request_invalidate): Don't invalidate return
644 buffer.
645 (address_interference): Defer to any WAR request in either pipeline.
646
6472000-06-09 Dave Brolley <brolley@redhat.com>
648
649 * pipeline.c (insns_in_slot): New Array.
650 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
651 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
652 option.
653 (parse_cache_option): New function.
654 (frv_option_handler): Call parse_cache_option.
655 * frv.c (vliw_branch_taken): New variable.
656 (vliw_load_stall): New variable.
657 (handle_resource_wait): Update vliw_load_stall.
658 (frvbf_model_insn_before): Initialize vliw_branch_taken and
659 vliw_load_stall.
660 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
661 (load_wait_for_FR): Update vliw_load_stall.
662 (load_wait_for_GR): Update vliw_load_stall.
663 (load_wait_for_FRdouble): Update vliw_load_stall.
664 (load_wait_for_GRdouble): Update vliw_load_stall.
665 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
666 (slot_names): New static array.
667 (print_parallel): Now takes second argument 'verbose'. Print cycles per
668 VLIW insn and instructions per cycle. Also tabulate the number of insns
669 in each type of VLIW slot.
670 (frv_profile_info): Call print_parallel with new second argument.
671 * frv-sim.h (insn_in_slot): New array.
672 (COUNT_INSNS_IN_SLOT): New macro.
673 (INSNS_IN_SLOT): New macro.
674 * cache.c: Remove references to non_blocking_count. Remove references to
675 last_was_hit. Remove references to req_none.
676 (handle_req_store): Adjust statistics before requeuing the store
677 request.
678 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
679 * cache.h: Remove references to non_blocking_count. Remove references to
680 last_was_hit. Remove references to req_none.
681 * model.c: Regenerate.
682
6832000-06-08 Dave Brolley <brolley@redhat.com>
684
685 * frv.c (request_complete): Copy load data from the correct return
686 buffer.
687
6882000-06-07 Dave Brolley <brolley@redhat.com>
689
690 * traps.c (frv_core_signal): Call frv_term before exiting.
691 (frv_itrap): Call frv_term before exiting.
692 (next_available_nesr): Make sure NECR is implemented before reading it.
693 (next_valid_nesr): Ditto.
694 (frvbf_check_non_excepting_load): Ditto.
695 (frvbf_clear_ne_flags): Ditto.
696 (frvbf_commit): Ditto.
697 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
698 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
699 store_flag members.
700 (CPU_LOAD_ADDRESS): New macro.
701 (CPU_LOAD_LENGTH): New macro.
702 (CPU_LOAD_SIGNED): New macro.
703 (CPU_LOAD_LOCK): New macro.
704 * reset.c (frv_term): New function.
705 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
706 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
707 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
708 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
709 the insn. Model the insn in two passes. One before and one after
710 execution.
711 (cache_reqno): new static variable.
712 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
713 cache rather than assuming a fixed latency.
714 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
715 enabled so that modeling data is collected by cgen during execution.
716 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
717 * memory.c (data_non_cache_access): Removed.
718 (insn_non_cache_access): Removed.
719 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
720 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
721 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
722 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
723 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
724 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
725 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
726 (frvbf_read_imem_USI): Read the cache or ememory passively.
727 (frvbf_write_mem_QI): Don't check for non-cache access here.
728 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
729 (frvbf_write_mem_HI): Don't check for non-cache access here.
730 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
731 (frvbf_write_mem_SI): Don't check for non-cache access here.
732 (frvbf_write_mem_DI): Don't check for non-cache access here.
733 (frvbf_write_mem_DF): Don't check for non-cache access here.
734 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
735 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
736 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
737 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
738 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
739 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
740 * interrupts.c (check_reset): Read the cache and memory passively.
741 (frv_program_or_software_interrupt): Call frv_term before calling
742 sim_engine_halt.
743 * frv.c (all modeling functions): Break into two passes. One before
744 execuetion and one after. call load_wait_for_* for all GR and FR
745 registers.
746 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
747 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
748 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
749 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
750 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
751 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
752 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
753 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
754 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
755 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
756 (model_insn): New global variable.
757 (fr_ptime): New array.
758 (cache_request): New enumeration.
759 (CACHE_QUEUE_ELEMENT): New struct type.
760 (CACHE_QUEUE_SIZE): New macro.
761 (cache_queue): New static struct.
762 (request_cache_load): New function.
763 (request_cache_flush): New function.
764 (request_cache_invalidate): New function.
765 (request_cache_preload): New function.
766 (request_cache_unlock): New function.
767 (submit_cache_request): New function.
768 (activate_cache_requests): New function.
769 (load_pending_for_register): New function.
770 (flush_pending_for_address): New function.
771 (remove_cache_queue_element): New function.
772 (copy_load_data): New function.
773 (request_complete): New function.
774 (run_caches): New function.
775 (frv_model_trace_wait_cycles): New function.
776 (wait_for_flush): New function.
777 (frvbf_model_insn_before): Insn prefect wait now modeled in
778 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
779 wait_for_flush.
780 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
781 vliw_insns here anymore.
782 (update_FR_latency_for_load): New function.
783 (update_FRdouble_latency_for_load): New function.
784 (update_FR_ptime): New function.
785 (update_FRdouble_ptime): New function.
786 (update_GR_latency_for_swap): New function.
787 (load_wait_for_GR): New function.
788 (load_wait_for_FR): New function.
789 (load_wait_for_GRdouble): New function.
790 (load_wait_for_FRdouble): New function.
791 (frvbf_model_fr500_u_ici): New function.
792 (frvbf_model_fr500_u_dci): New function.
793 (frvbf_model_fr500_u_dcf): New function.
794 (frvbf_model_fr500_u_icpl): New function.
795 (frvbf_model_fr500_u_dcpl): New function.
796 (frvbf_model_fr500_u_icul): New function.
797 (frvbf_model_fr500_u_dcul): New function.
798 * frv-sim.h (frv_term): New function.
799 (insn_non_cache_access): Removed.
800 (FRV_COUNT_CYCLES): New macro.
801 (frv_save_peofile_model_p): New global variable.
802 (model_insn): New enumerated global variable.
803 (frv_model_advance_cycles): New function.
804 (frv_model_trace_wait_cycles): New function.
805 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
806 (FRV_CACHE_WAR_REQUEST): New struct type.
807 (FRV_CACHE_STORE_REQUEST): New struct type.
808 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
809 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
810 (FRV_CACHE_REQUEST): New struct type.
811 (FRV_CACHE_RETURN_BUFFER): New struct type.
812 (FRV_CACHE_FLUSH_STATUS): New struct type.
813 (FRV_CACHE_STATUS): New struct type.
814 (FRV_CACHE_STAGE): New struct type.
815 (FRV_CACHE_STAGES): New enumeration.
816 (FRV_CACHE_WAR): New struct type.
817 (FRV_CACHE_PIPELINE): New struct type.
818 (FRV_CACHE_ARS): New struct type.
819 (FRV_CACHE_STATISTICS): New struct type.
820 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
821 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
822 (CACHE_RETURN_DATA_ADDRESS): New macro.
823 (frv_cache_read): Now takes pipe index as second argument.
824 (frv_cache_enabled): New function.
825 (frv_cache_request_load): New function.
826 (frv_cache_request_store): New function.
827 (frv_cache_request_invalidate): New function.
828 (frv_cache_request_preload): New function.
829 (frv_cache_request_unlock): New function.
830 (frv_cache_run): New function.
831 (frv_cache_read_passive_SI): New function.
832 (frv_cache_data_in_buffer): New function.
833 (frv_cache_data_flushed): New function.
834 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
835 (frv_cache_enabled): New function.
836 (non_cache_access): New function.
837 (write_data_to_memory): Count write accesses for each mode. Write to
838 memory using sim_core_write_unaligned_1;
839 (read_data_from_memory): New function.
840 (fill_line_from_memory): Use read_data_from_memory.
841 (copy_line_to_return_buffer): New function.
842 (copy_memory_to_return_buffer): New function.
843 (set_return_buffer_reqno): New function.
844 (frv_cache_read): Now takes pipe index as second argument. Check for
845 non-cache access.
846 (frv_cache_preload): Check for non-cache access.
847 (frv_cache_unlock): Check for non-cache access.
848 (invalidate_return_buffer): New function.
849 (frv_cache_invalidate): Check for non-cache access.
850 (convert_slot_to_index): New function.
851 (FREE_CHAIN_SIZE): New macro.
852 (frv_cache_request_free_chain): New static variable.
853 (frv_store_request_free_chain): New static variable.
854 (allocate_new_cache_requests): New function.
855 (new_cache_request): New function.
856 (free_cache_request): New function.
857 (new_store_request): New function.
858 (pipeline_remove_request): New function.
859 (pipeline_add_request): New function.
860 (pipeline_requeue_request): New function.
861 (next_priority): New function.
862 (add_WAR_request): New function.
863 (pipeline_next_request): New function.
864 (pipeline_stage_request): New function.
865 (advance_pipelines): New function.
866 (frv_cache_request_load): New function.
867 (frv_cache_request_store): New function.
868 (frv_cache_request_invalidate): New function.
869 (frv_cache_request_preload): New function.
870 (frv_cache_request_unlock): New function.
871 (address_interference): New function.
872 (wait_for_WAR): New function.
873 (wait_in_WAR): New function.
874 (handle_req_load): New function.
875 (handle_req_preload): New function.
876 (handle_req_store): New function.
877 (handle_req_invalidate): New function.
878 (handle_req_unlock): New function.
879 (handle_req_WAR): New function.
880 (arbitrate_requests): New function.
881 (move_ARS_to_WAR): New function.
882 (decrease_latencies): New function.
883 (frv_cache_run): New function.
884 (frv_cache_read_passive_SI): New function.
885 (frv_cache_data_in_buffer): New function.
886 (frv_cache_data_flushed): New function.
887 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
888
889Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
890
891 * configure: Regenerated to track ../common/aclocal.m4 changes.
892
8932000-05-19 Dave Brolley <brolley@redhat.com>
894
895 * traps.c (frv_rett): Check for exceptions in the order specified in the
896 architecture spec. Allow privileged_instruction interrrupt to be handled
897 normally.
898 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
899 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
900 to clear the NE flag.
901 (frvbf_model_tomcat_u_exec): New function.
902 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
903 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
904 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
905
9062000-05-18 Dave Brolley <brolley@redhat.com>
907
908 * sim-if.c (elf-bfd.h): #include it.
909 (sim_open): Set machine amd architecture based on elf flags.
910
9112000-04-04 Dave Brolley <brolley@redhat.com>
912
913 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
914 Delete '#if 0' blocks.
915 * frv.c: Delete '#if 0' blocks.
916 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
917 PSR.S and PSR.ESR.
918 (frv_h_psr_esr_set_handler): Removed.
919 * interrupts.c: Delete '#if 0' blocks.
920 * memory.c: Delete '#if 0' blocks.
921 * cpu.c,cpu.h: Regenerate.
922
9232000-04-03 Dave Brolley <brolley@redhat.com>
924
925 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
926 containing the target address.
927 (clear_nesr_neear): No longer takes hi_available and lo_available.
928 Remove bogus check for available GR registers.
929 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
930 (frvbf_commit): Update call to clear_nesr_neear.
931 * interrupts.c (next_available_esr): Removed.
932 (next_available_edr): Removed.
933 (next_available_fq): Removed.
934 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
935 (frvbf_store_register): Remove "FIXME" comment.
936 * frv-sim.h (UART_INCHAR_ADDR): Removed.
937 (UART_OUTCHAR_ADDR): Removed.
938 (UART_STATUS_ADDR): Removed.
939 (UART_INPUT_READY): Removed.
940 (UART_OUTPUT_READY): Removed.
941 (FRV_DEVICE_ADDR): Removed.
942 (FRV_DEVICE_LEN): Removed.
943 (SET_NESR): Call frvbf_force_update.
944 (SET_NEEAR): Call frvbf_force_update.
945 (SET_NE_FLAGS): Call frvbf_force_update.
946
9472000-03-30 Dave Brolley <brolley@redhat.com>
948
949 * configure: Regenerated.
950
9512000-03-30 Dave Brolley <brolley@redhat.com>
952
953 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
954 * memory.c (frvbf_write_mem_*): Save slot containing the insn
955 performing the write.
956 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
957 queue element with the information in the interrupt state.
958 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
959 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
960 (frv_set_interrupt_queue_slot): New function.
961 (esr_for_data_access_exception): New function.
962 (set_edr_register): edr_index is now passed in.
963 (fq_for_exception): New function.
964 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
965 element now passed in.
966 (set_exception_status_registers): Obtain slot from interrupt queue
967 element. Call esr_for_data_access_exception. Use ESR14
968 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
969 (frv_save_data_written_for_interrupts): Save slot containing the insn
970 performing the write.
971 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
972 frv_fsr_ftt.
973 (struct frv_interrupt_state): Add 'slot' field.
974 (frv_set_interrupt_queue_slot): New function.
975 (frv_set_write_queue_slot): New function.
976
9772000-03-24 Dave Brolley <brolley@redhat.com>
978
979 * mloop.in (_parallel_write_init): Initialize
980 frv_interrupt_state.imprecise_interrupt.
981 (_parallel_write_queued): After an imprecise interrupt, only perform
982 forced writes and floating point writes (for certain exceptions).
983 * interrupts.c (handle_interrupt): Set
984 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
985 interrupt.
986 (frv_process_interrupts): No need to clear f_ne_flags.
987 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
988 force them to happen even if there is an overflow exception.
989 (frvbf_force_update): New function.
990 * frv-sim.h (frvbf_force_update): New function.
991 (struct frv_interrupt_state): Add imprecise_interrupt.
992 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
993 * sem.c: Regenerate.
994
9952000-03-23 Dave Brolley <brolley@redhat.com>
996
997 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
998 * registers.c (frv_spr): MCIRL -> MCILR.
999 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1000 New function.
1001 (frv_detect_insn_access_interrupts):
1002 Call frv_queue_non_implemented_instruction_interrupt.
1003 (frv_process_interrupts): Clear accumulated NE flags.
1004 * frv.c (frvbf_media_cop): New function.
1005 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
1006 the NE flag of the given target register.
1007 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1008 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1009 (frvbf_model_fr500_u_float_dual_sqrt): New function.
1010 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1011 (frvbf_model_fr500_u_float_dual_convert): New function.
1012 * frv-sim.h (frvbf_media_cop): New function.
1013 (GET_FQ): Use H_SPR_FQST0.
1014 (SET_FQ): Use H_SPR_FQST0.
1015 (SET_FQ_OPC): Use J_SPR_FQOP0.
1016 (GET_MSR_EMCI): New macro.
1017 (frv_queue_non_implemented_instruction_interrupt): New function.
1018 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1019
10202000-03-08 Dave Brolley <brolley@redhat.com>
1021
1022 * traps.c (frv_rett): Align new_pc.
1023 * memory.c (frvbf_read_mem_HI): Align address.
1024 (frvbf_read_mem_UHI): Align address.
1025 (frvbf_read_mem_SI): Align address.
1026 (frvbf_read_mem_DI): Align address.
1027 (frvbf_read_mem_DF): Align address.
1028 (frvbf_read_imem_USI): Align address.
1029 (frvbf_mem_set_HI): Align address.
1030 (frvbf_mem_set_SI): Align address.
1031 (frvbf_mem_set_DI): Align address.
1032 (frvbf_mem_set_DF): Align address.
1033 (frvbf_mem_set_XI): Align address.
1034 * registers.c (frv_spr): Initialize FSR0.NS to 1.
1035 (fr500_spr): Initialize FSR0.NS to 1.
1036 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1037 whether the exception is masked.
1038 * frv.c (frvbf_load_quad_GR): Align address.
1039 (frvbf_store_quad_GR): Align address.
1040 (frvbf_load_quad_FRint): Align address.
1041 (frvbf_store_quad_FRint): Align address.
1042 (frvbf_load_quad_CPR): Align address.
1043 (frvbf_store_quad_CPR): Align address.
1044 * frv-sim.h (GET_ISR_EMAM): New macro.
1045
10462000-03-08 Dave Brolley <brolley@redhat.com>
1047
1048 * traps.c (frvbf_division_exception): Check for masked overflow and
1049 set NE flags, if necessary.
1050 (frvbf_check_recovering_store): Queue writes to the hardware.
1051 (check_registers_available): Removed.
1052 (which_registers_available): Call frv_{fr,gr}_registers_available.
1053 (frvbf_clear_ne_flags): Call check_register_access.
1054 (frvbf_commit): Call check_register_access.
1055 * registers.h (frv_fr_registers_available): New function.
1056 (frv_gr_registers_available): New function.
1057 (frv_check_register_access): New function.
1058 (frv_check_gr_access): New function.
1059 (frv_check_fr_access): New function.
1060 * registers.c (frv_spr): Correct initial value of ISR.
1061 (fr500_spr): Correct initial value of ISR.
1062 (frv_fr_registers_available): New function.
1063 (frv_gr_registers_available): New function.
1064 (frv_check_register_access): New function.
1065 (frv_check_gr_access): New function.
1066 (frv_check_fr_access): New function.
1067 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1068 (set_isr_exception_fields): New function.
1069 (set_exception_status_registers): Set ISR fields for division exception.
1070 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1071 * frv.c (frvbf_h_gr_get_handler): New function.
1072 (frvbf_h_gr_set_handler): New function.
1073 (frvbf_h_fr_get_handler): New function.
1074 (frvbf_h_fr_set_handler): New function.
1075 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1076 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1077 (spr_isr_get_handler): Removed.
1078 (spr_isr_set_handler): Removed.
1079 (frvbf_signed_integer_divide): New funciton.
1080 (frvbf_unsigned_integer_divide): New funciton.
1081 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1082 (frvbf_h_gr_set_handler): New function.
1083 (frvbf_h_fr_get_handler): New function.
1084 (frvbf_h_fr_set_handler): New function.
1085 (frvbf_signed_integer_divide): New funciton.
1086 (frvbf_unsigned_integer_divide): New funciton.
1087 (frv_dtt): New enumeration.
1088 (struct frv_interrupt_queue_element): Add dtt member.
1089 (GET_ISR): New macro.
1090 (SET_ISR): New macro.
1091 (GET_ISR_EDEM): New macro.
1092 (SET_ISR_DTT): New macro.
1093 (SET_ISR_AEXC): New macro.
1094 (frvbf_division_exception): Add 2 'int' arguments.
1095 (frvbf_check_non_excepting_divide): Removed.
1096 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1097
10982000-02-29 Dave Brolley <brolley@redhat.com>
1099
1100 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1101 (frv_rett): Use hardware access macros. Write PSR as a whole.
1102 (next_available_nesr): Check that NECR is valid.
1103 (next_valid_nesr): Check that NECR is valid.
1104 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1105 call hardware access functions. Use cover macros.
1106 (check_registers_available): New function.
1107 (clear_nesr_near): Check register availability.
1108 (clear_ne_flags): Check register availability.
1109 (frvbf_clear_ne_flags): Check register availability.
1110 (frvbf_commit): Check register availability.
1111 (which_registers_available): New function.
1112 * sim-main.h (registers.h): #include it.
1113 (register_control): New cpu field.
1114 (CPU_REGISTER_CONTROL): New macro.
1115 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1116 (frv_power_on_reset): Initialize SPR registers and RSTR.
1117 (frv_hardware_reset): Initialize SPR registers and RSTR.
1118 (frv_software_reset): Reset SPR registers and RSTR.
1119 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1120 Call frv_cache_init.
1121 * mloop.in (main loop): Check for insn access interrupts before
1122 executing the insn.
1123 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1124 (frv_detect_insn_access_interrupts): Don't call hardware access
1125 functions directly. Use cover macros.
1126 (check_reset): Don't reset RSTR here.
1127 (next_available_esr): ESFR -> ESFR_FLAG.
1128 (next_available_edr): ESFR -> ESFR_FLAG.
1129 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1130 ESFR -> ESFR_FLAG.
1131 (frv_break_interrupt): Don't call hardware access functions directly.
1132 Use cover macros.
1133 (frv_program_or_software_interrupt): Ditto.
1134 (frv_external_interrupt): Ditto.
1135 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1136 (frvbf_store_register): Don't call 'set' functions directly.
1137 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1138 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1139 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1140 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1141 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1142 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1143 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1144 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1145 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1146 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1147 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1148 Support shadow registers.
1149 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1150 Support shadow registers.
1151 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1152 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1153 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1154 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1155 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1156 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1157 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1158 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1159 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1160 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1161 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1162 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1163 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1164 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1165 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1166 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1167 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1168 version 1.3a.
1169 (spr_ccr_get_handler): Don't reference the hardware directly.
1170 (spr_ccr_set_handler): Don't reference the hardware directly.
1171 (spr_cccr_get_handler): Don't reference the hardware directly.
1172 (spr_cccr_set_handler): Don't reference the hardware directly.
1173 (spr_sr_get_handler): New function.
1174 (spr_sr_set_handler): New function.
1175 (frvbf_switch_supervisor_user_context): Temporarily switch to
1176 supervisor mode.
1177 (frvbf_store_quad_GR): Don't call handler directly.
1178 (frvbf_store_quad_FRint): Don't call handler directly.
1179 (frvbf_store_quad_CPR): Don't call handler directly.
1180 (frvbf_clear_all_accumulators): Removed.
1181 (frvbf_clear_accumulators): New function.
1182 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1183 Account for in_ACCGi and out_ACCGk.
1184 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1185 (RSTR_SOFTWARE_RESET): New macro.
1186 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1187 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1188 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1189 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1190 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1191 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1192 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1193 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1194 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1195 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1196 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1197 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1198 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1199 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1200 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1201 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1202 (frvbf_clear_all_accumulators): Removed.
1203 (frvbf_clear_accumulators): New function.
1204 (GET_HSR0): Use GET_H_SPR.
1205 (SET_HSR0): Use SET_H_SPR.
1206 (CLEAR_HSR0_ICE): New macro.
1207 (CLEAR_HSR0_DCE): New macro.
1208 (GET_IHSR8): Use GET_H_SPR.
1209 (GET_PSR): New macro.
1210 (SET_PSR_ET): New macro.
1211 (GET_PSR_PS): New macro.
1212 (SET_PSR_S): New macro.
1213 (GET_ESFR): Changed to reference entire register.
1214 (SET_ESFR): Changed to reference entire register.
1215 (GET_ESFR_FLAG): New macro.
1216 (SET_ESFR_FLAG): New macro.
1217 (NECR_ELOS): Removed.
1218 (NECR_NEN): Removed.
1219 (NECR_VALID): Removed.
1220 (GET_NECR): New macro.
1221 (GET_NECR_ELOS): New macro.
1222 (GET_NECR_NEN): New macro.
1223 (GET_NECR_VALID): New macro.
1224 (NESR_RANGE): Removed.
1225 (GET_NESR): Use GET_H_SPR.
1226 (GET_NE_FLAGS): Use GET_H_SPR.
1227 * cache.h (CACHE_INITIALIZED): New macro.
1228 * Makefile.in (SIM_OBJS): Add registers.o.
1229 (SIM_EXTRA_DEPS): Add registers.h.
1230 (registers.o): New target.
1231 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1232
12332000-02-17 Dave Brolley <brolley@redhat.com>
1234
1235 * interrupts.c (frv_interrupt_table): Update priority order and handler
1236 offsets to conform to the architecture version 1.3a.
1237 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1238 to the architecture version 1.3a.
1239
12402000-02-17 Dave Brolley <brolley@redhat.com>
1241
1242 * interrupts.c (frv_interrupt_table): Update priority order and handler
1243 offsets to conform to the latest specifications.
1244 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1245 queued. New variable 'iclass' used to test for external interrupts.
1246 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1247 to the latest specifications.
1248
12492000-01-20 Dave Brolley <brolley@redhat.com>
1250
1251 * sim-if.c (sim_open): Move frv-specific initialization to
1252 frv_initialize in reset.c.
1253 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1254 status bits for hardware vs software reset.
1255 * reset.c: New file.
1256 * frv-sim.h (frv_initialize): New function.
1257 (frv_power_on_reset): New function.
1258 (frv_hardware_reset): New function.
1259 (frv_software_reset): New function.
1260 (RSTR_ADDRESS): New macro.
1261 (RSTR_INITIAL_VALUE): New macro.
1262 (GET_RSTR_HR): New macro.
1263 (GET_RSTR_SR): New macro.
1264 (SET_RSTR_H): New macro.
1265 (SET_RSTR_S): New macro.
1266 (CLEAR_RSTR_P): New macro.
1267 (CLEAR_RSTR_H): New macro.
1268 (CLEAR_RSTR_S): New macro.
1269 (CLEAR_RSTR_HR): New macro.
1270 (CLEAR_RSTR_SR): New macro.
1271
12722000-01-03 Dave Brolley <brolley@cygnus.com>
1273
1274 * mloop.in (execute): Only call modeling function if the pointer is not
1275 NULL.
1276 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1277 fr500.
1278
12792000-01-03 Dave Brolley <brolley@cygnus.com>
1280
1281 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1282 (frv_options): Add --memory-latency.
1283 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1284 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1285 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1286 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1287 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1288 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1289 (update_latencies): Only clear usage flags if the register has no
1290 target latency.
1291 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1292 not |= (or assgnment).
1293 (frvbf_model_insn_after): Print post processing wait for all insns.
1294 Update prev_acc_p1 and prev_acc_p2.
1295 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1296 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1297 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1298 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1299 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1300 (frvbf_model_fr500_u_media_quad_arith): New function.
1301 (frvbf_model_fr500_u_media_dual_mul): New function.
1302 (frvbf_model_fr500_u_media_quad_mul): New function.
1303 (frvbf_model_fr500_u_media_quad_complex): New function.
1304 (frvbf_model_fr500_u_media_dual_expand): New function.
1305 (frvbf_model_fr500_u_media_dual_unpack): New function.
1306 (frvbf_model_fr500_u_media_dual_btoh): New function.
1307 (frvbf_model_fr500_u_media_dual_htob): New function.
1308 (frvbf_model_fr500_u_media_dual_btohe): New function.
1309 (frv_ref_SI): New function.
1310 * cache.h (FRV_CACHE): Add memory_latency field.
1311 * cache.c (frv_cache_init): Initialize memory_latency.
1312 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1313
13141999-12-17 Dave Brolley <brolley@cygnus.com>
1315
1316 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1317 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1318 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1319 (OPTIONS_FRV_TIMER): New enumeration.
1320 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1321 (frv_option_handler): Override common implementation of -p. Handle
1322 --profile-cache, --profile-parallel, --timer.
1323 * mloop.in (execute): Call profiling functions if the timer interrupt
1324 is enabled.
1325 (@cpu@_simulate_insn_prefetch): New function.
1326 (main loop): Call @cpu@_simulate_insn_prefetch.
1327 * interrupts.c (frv_queue_interrupt): Don't queue two external
1328 interrupts of the same priority.
1329 (frv_queue_external_interrupt): New function.
1330 (frv_external_interrupt): New function.
1331 (handle_interrupt): Handle external interrupts.
1332 (check_reset): New function.
1333 (frv_process_interrupts): Call check_reset.
1334 * frv.c: Include "bfd.h"
1335 (frvbf_h_psr_get_handler): Set the PIL field.
1336 (frvbf_h_psr_set_handler): Get the PIL field.
1337 (DUAL_REG): New macro.
1338 (DUAL_DOUBLE): New macro.
1339 (SET_USE_IS_FPOP): New macro.
1340 (SET_USE_NOT_FPOP): New macro.
1341 (USE_IS_FPOP): New macro.
1342 (SET_USE_IS_MEDIA): New macro.
1343 (SET_USE_NOT_MEDIA): New macro.
1344 (USE_IS_MEDIA_P1): New macro.
1345 (SET_USE_IS_MEDIA_P1): New macro.
1346 (SET_USE_NOT_MEDIA_P1): New macro.
1347 (SET_USE_IS_MEDIA_P2): New macro.
1348 (SET_USE_NOT_MEDIA_P2): New macro.
1349 (USE_IS_MEDIA_P2): New macro.
1350 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1351 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1352 (ACC_USE_IS_MEDIA_P1): New macro.
1353 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1354 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1355 (ACC_USE_IS_MEDIA_P2): New macro.
1356 (RESOURCE_IDIV): New macro.
1357 (RESOURCE_FDIV): New macro.
1358 (RESOURCE_SQRT): New macro.
1359 (fr_busy_adjust): New array.
1360 (acc_busy_adjust): New array.
1361 (apply_latency_adjustments): New function.
1362 (update_latencies): New function.
1363 (handle_wait_cycles): New function.
1364 (handle_resource_wait): New function.
1365 (update_target_latencies): New function.
1366 (frvbf_model_insn_before): Add resource latency to cycle counts.
1367 (frvbf_model_insn_after): Add resource latency to cycle counts.
1368 (update_GR_latency): New function.
1369 (update_GRdouble_latency): New function.
1370 (update_FR_latency): New function.
1371 (update_FRdouble_latency): New function.
1372 (decrease_ACC_busy): New function.
1373 (decrease_FR_busy): New function.
1374 (increase_FR_busy): New function.
1375 (update_ACC_latency): New function.
1376 (update_CCR_latency): New function.
1377 (update_idiv_resource_latency): New function.
1378 (update_fdiv_resource_latency): New function.
1379 (update_fsqrt_resource_latency): New function.
1380 (vliw_wait_for_GR): New function.
1381 (vliw_wait_for_GRdouble): New function.
1382 (vliw_wait_for_FR): New function.
1383 (vliw_wait_for_FRdouble): New function.
1384 (vliw_wait_for_CCR): New function.
1385 (vliw_wait_for_ACC): New function.
1386 (vliw_wait_for_idiv_resource): New function.
1387 (vliw_wait_for_fdiv_resource): New function.
1388 (vliw_wait_for_fsqrt_resource): New function.
1389 (enforce_full_fr_latency): New function.
1390 (frvbf_model_fr500_u_exec): New function.
1391 (frvbf_model_fr500_u_integer): New function.
1392 (frvbf_model_fr500_u_imul): New function.
1393 (frvbf_model_fr500_u_idiv): New function.
1394 (frvbf_model_fr500_u_branch): New function.
1395 (frvbf_model_fr500_u_set_hilo): New function.
1396 (frvbf_model_fr500_u_gr_load_store): New function.
1397 (frvbf_model_fr500_u_fr_load_store): New function.
1398 (frvbf_model_fr500_u_swap): New function.
1399 (frvbf_model_fr500_u_fr2fr): New function.
1400 (frvbf_model_fr500_u_fr2gr): New function.
1401 (frvbf_model_fr500_u_spr2gr): New function.
1402 (frvbf_model_fr500_u_gr2fr): New function.
1403 (frvbf_model_fr500_u_gr2spr): New function.
1404 (post_wait_for_FR): New function.
1405 (post_wait_for_FRdouble): New function.
1406 (post_wait_for_ACC): New function.
1407 (post_wait_for_CCR): New function.
1408 (post_wait_for_fdiv): New function.
1409 (post_wait_for_fsqrt): New function.
1410 (adjust_float_register_busy): New function.
1411 (adjust_double_register_busy): New function.
1412 (restore_float_register_busy): New function.
1413 (restore_double_register_busy): New function.
1414 (frvbf_model_fr500_u_float_arith): New function.
1415 (frvbf_model_fr500_u_float_dual_arith): New function.
1416 (frvbf_model_fr500_u_float_div): New function.
1417 (frvbf_model_fr500_u_float_sqrt): New function.
1418 (frvbf_model_fr500_u_float_compare): New function.
1419 (frvbf_model_fr500_u_float_dual_compare): New function.
1420 (frvbf_model_fr500_u_float_convert): New function.
1421 (frvbf_model_fr500_u_media): New function.
1422 (frvbf_model_fr500_u_barrier): New function.
1423 (frvbf_model_fr500_u_membar): New function.
1424 * frv-sim.h (LEUINT): New macro.
1425 (GET_HSR0_SA): New macro.
1426 (struct frv_interrupt_timer): New struct.
1427 (struct frv_interrupt_state): Add timer fiield.
1428 (frv_queue_external_interrupt): New function.
1429 (frv_external_interrupt): New function.
1430 (frv_profile_info): New function.
1431 (PROFILE_CACHE_IDX): New enumerator.
1432 (PROFILE_PARALLEL_IDX): New enumerator.
1433 (PROFILE_cache): New macro.
1434 (PROFILE_parallel): New macro.
1435 (WITH_PROFILE_CACHE_P): New macro.
1436 (WITH_PROFILE_PARALLEL_P): New macro.
1437 * cache.h (FRV_CACHE): Add last_was_hit field.
1438 * cache.c (get_tag): Use new last_was_hit field.
1439 (frv_cache_read): Ditto.
1440 (frv_cache_write): Ditto.
1441 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1442
14431999-12-13 Dave Brolley <brolley@cygnus.com>
1444
1445 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1446 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1447 sim_queue_fn_di_write.
1448 (frvbf_media_cut_ss): New function.
1449 * frv-sim.h (frvbf_media_cut_ss): New function.
1450 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1451
14521999-12-13 Dave Brolley <brolley@cygnus.com>
1453
1454 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1455 no constraints.
1456 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1457 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1458 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1459 FRV_IS_MEDIA_INSN.
1460 * frv.c (frvbf_model_simple_u_exec): New function.
1461 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1462 (FRV_IS_MEDIA_INSN): Range includes M-8.
1463
1464 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1465 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1466 Regenerate.
1467
14681999-12-10 Dave Brolley <brolley@cygnus.com>
1469
1470 * traps.c (check_registers_available): New function.
1471 (clear_ne_flags): Generate register_exception if register(s) not
1472 available.
1473 (frvbf_commit): Generate register_exception if register(s) not
1474 available.
1475 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1476 GR4-GR7 to SR0-SR4.
1477 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1478 PSR.ESR.
1479 (frvbf_h_psr_s_set_handler): New function.
1480 (frvbf_h_psr_esr_set_handler): New function.
1481 (frvbf_switch_supervisor_user_context): New function.
1482 (frvbf_scan_result): Reflect latest ISA.
1483 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1484 (frvbf_h_psr_esr_set_handler): New function.
1485 (frvbf_switch_supervisor_user_context): New function.
1486 (GET_HSR0_FRN): New Macro.
1487 (GET_HSR0_GRN): New Macro.
1488 (GET_HSR0_FRHE): New Macro.
1489 (GET_HSR0_FRLE): New Macro.
1490 (GET_HSR0_GRHE): New Macro.
1491 (GET_HSR0_GRLE): New Macro.
1492 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1493 (GET_ESFR): New bit ordering.
1494 (SET_ESFR): New bit ordering.
1495 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1496
14971999-12-10 Michael Meissner <meissner@cygnus.com>
1498
1499 * Makefile.in (sim-if.o): Add eng.h dependency.
1500
15011999-12-09 Dave Brolley <brolley@cygnus.com>
1502
1503 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1504 Pass sc->last_insn_p to @cpu@_model_insn_before.
1505 (main loop): Compute sc->first_insn_p.
1506 * frv.c (frvbf_model_insn_before): Set state variables.
1507 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1508 (frvbf_model_fr500_u_integer): Remove.
1509 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1510
15111999-12-07 Dave Brolley <brolley@cygnus.com>
1512
1513 * sim-main.h (cache.h): Include it.
1514 (insn_cache): New member.
1515 (data_cache): New member.
1516 (CPU_INSN_CACHE): New macro.
1517 (CPU_DATA_CACHE): New macro.
1518 * sim-if.c (WANT_CPU): New macro.
1519 (WANT_CPU_FRVBF): New macro.
1520 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1521 data and insn caches for each cpu.
1522 (sim_close): Call frv_cache_term for the insn and data caches of each
1523 cpu.
1524 * mloop.in (extract): Read insn from the cache.
1525 (main loop): Access the insn cache in order to maintain stats.
1526 * memory.c (data_non_cache_access): New function.
1527 (insn_non_cache_access): New function.
1528 (frvbf_read_mem_QI): Attempt to read from the cache first.
1529 (frvbf_read_mem_UQI): Ditto.
1530 (frvbf_read_mem_HI): Ditto.
1531 (frvbf_read_mem_UHI): Ditto.
1532 (frvbf_read_mem_SI): Ditto.
1533 (frvbf_read_mem_DI): Ditto.
1534 (frvbf_read_mem_DF): Ditto.
1535 (frvbf_read_imem_USI): New function.
1536 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1537 (frvbf_write_mem_UQI): Ditto.
1538 (frvbf_write_mem_HI): Ditto.
1539 (frvbf_write_mem_UHI): Ditto.
1540 (frvbf_write_mem_SI): Ditto.
1541 (frvbf_write_mem_DI): Ditto.
1542 (frvbf_write_mem_DF): Ditto.
1543 (frvbf_mem_set_QI): New function.
1544 (frvbf_mem_set_HI): New function.
1545 (frvbf_mem_set_SI): New function.
1546 (frvbf_mem_set_DI): New function.
1547 (frvbf_mem_set_DF): New function.
1548 (frvbf_mem_set_XI): New function.
1549 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1550 CGEN_FN_MEM_QI_WRITE,
1551 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1552 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1553 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1554 Call sim_queue_fn_mem_xi_write.
1555 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1556 Call sim_queue_fn_mem_xi_write.
1557 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1558 Call sim_queue_fn_mem_xi_write.
1559 (frvbf_insn_cache_preload): New function.
1560 (frvbf_data_cache_preload): New function.
1561 (frvbf_insn_cache_unlock): New function.
1562 (frvbf_data_cache_unlock): New function.
1563 (frvbf_insn_cache_invalidate): New function.
1564 (frvbf_data_cache_invalidate): New function.
1565 (frvbf_data_cache_flush): New function.
1566 * frv-sim.h (sim-options.h): Include it.
1567 (GET_HSR0): New macro.
1568 (SET_HSR0): New macro.
1569 (GET_HSR0_ICE): New macro.
1570 (SET_HSR0_ICE): New macro.
1571 (GET_HSR0_DCE): New macro.
1572 (SET_HSR0_DCE): New macro.
1573 (GET_HSR0_CBM): New macro.
1574 (GET_HSR0_RME): New macro.
1575 (GET_IHSR8): New macro.
1576 (GET_IHSR8_NBC): New macro.
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 (insn_non_cache_access): New function.
1585 (frvbf_read_imem_USI): New function.
1586 (frvbf_mem_set_QI): New function.
1587 (frvbf_mem_set_HI): New function.
1588 (frvbf_mem_set_SI): New function.
1589 (frvbf_mem_set_DI): New function.
1590 (frvbf_mem_set_DF): New function.
1591 (frvbf_mem_set_XI): New function.
1592 (frv_options): FRV specific command line options.
1593 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1594 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1595 (cache.o): New target.
1596 (options.o): New target.
1597 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1598 * cache.h: New file.
1599 * cache.c: New file.
1600 * options.c: New file.
1601
16021999-11-29 Dave Brolley <brolley@cygnus.com>
1603
1604 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1605 (frvbf_check_non_excepting_divide): Ditto.
1606 (clear_ne_flags): Ditto
1607 (frvbf_commit): Ditto.
1608 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1609 * mloop.in (_parallel_write_init): Clear NE flags here.
1610 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1611 for non excepting insns. Also check for masked interrupts here.
1612 (frv_process_interrupts): Write NE flags here.
1613 (set_fp_exception_registers): No longer check for masked interrupts
1614 here.
1615 (check_for_compound_interrupt): No need to worry about masked
1616 interrupts.
1617 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1618 (GET_NE_FLAGS): New macro.
1619 (SET_NE_FLAGS): New macro.
1620 (GET_NE_FLAG): Operate on accumulated argument.
1621 (SET_NE_FLAG): Operate on accumulated argument.
1622 (CLEAR_NE_FLAG): Operate on accumulated argument.
1623 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1624 (frv.o): Correct dependencies.
1625 (traps.o): Ditto.
1626 (pipeline.o): Ditto.
1627 (interrupts.o): Ditto.
1628 (memory.o): Ditto.
1629 * sem.c: Regenerate.
1630
16311999-11-26 Dave Brolley <brolley@cygnus.com>
1632
1633 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1634 there is an exception indicated in the mask.
1635 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1636 state when adding a floating point insn to the pipeline.
1637 * interrupts.c (set_fp_exception_registers): Set NE flag for
1638 non-excepting insns.
1639 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1640 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1641 (frvbf_h_fr_int_get_handler): New function.
1642 (frvbf_h_fr_int_set_handler): New function.
1643 (frvbf_set_ne_index): New function.
1644 (NE_NOFLAG): New macro.
1645 (frv_interrupt_state): Add ne_index member.
1646 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1647 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1648 (frvbf_h_fr_int_get_handler): New function.
1649 (frvbf_h_fr_int_set_handler): New function.
1650 (frvbf_set_ne_index): New function.
1651 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1652
16531999-11-24 Dave Brolley <brolley@cygnus.com>
1654
1655 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1656
16571999-11-23 Dave Brolley <brolley@cygnus.com>
1658
1659 * frv-sim.h (frvbf_media_cut): New function.
1660 * frv.c (frvbf_media_cut): New function.
1661 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1662
16631999-11-22 Dave Brolley <brolley@cygnus.com>
1664
1665 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1666 * frv.c.h (frvbf_clear_all_accumulators): New function.
1667 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1668
16691999-11-18 Dave Brolley <brolley@cygnus.com>
1670
1671 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1672 if this is the first insn of its class in the pipeline.
1673 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1674 * traps.c (frvbf_media_register_not_aligned): New function.
1675 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1676
16771999-11-17 Dave Brolley <brolley@cygnus.com>
1678
1679 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1680 * frv-sim.h (OR_MSR_SIE): New macro.
1681 (CLEAR_MSR_SIE): New macro.
1682 (frvbf_media_overflow): Now takes sie argument.
1683 (frv_set_mp_exception_registers): Now takes sie argument.
1684 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1685 Set MSRx.SIE field.
1686 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1687
16881999-11-15 Dave Brolley <brolley@cygnus.com>
1689
1690 * traps.c (frv_mtrap): New function.
1691 (frvbf_media_cr_not_aligned): New function.
1692 (frvbf_media_acc_not_aligned): New function.
1693 (frvbf_media_overflow): New function.
1694 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1695 * interrupts.c: Call frv_set_mp_exception_registers.
1696 (frv_set_mp_exception_registers): New function.
1697 * frv-sim.h (frv_msr_mtt): New enumeration.
1698 (GET_MSR): New macro.
1699 (SET_MSR): New macro.
1700 (GET_MSR_AOVF): New macro.
1701 (SET_MSR_AOVF): New macro.
1702 (GET_MSR_OVF): New macro.
1703 (SET_MSR_OVF): New macro.
1704 (CLEAR_MSR_OVF): New macro.
1705 (GET_MSR_MTT): New macro.
1706 (SET_MSR_MTT): New macro.
1707 (frv_set_mp_exception_registers): New function.
1708 (frv_mtrap): New function.
1709 (FRV_IS_MEDIA_INSN): New macro.
1710 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1711
17121999-11-10 Dave Brolley <brolley@cygnus.com>
1713
1714 * sim-main.h (_sim_cpu): Add debug_state member.
1715 * mloop.in (_parallel_write_queued): Clear data_written.length.
1716 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1717 handler is 0xff.
1718 (frv_queue_break_interrupt): New function.
1719 (frv_break_interrupt): New function.
1720 (handle_interrupt): Handle break_interrupt.
1721 (frv_non_operating_interrupt): Now takes interrupt_kind.
1722 * frv-sim.h (frv_queue_break_interrupt): New function.
1723 (frv_break_interrupt): New function.
1724 (frv_break): New function.
1725 (frv_non_operating_interrupt): Now takes interrupt_kind.
1726 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1727
17281999-11-09 Dave Brolley <brolley@cygnus.com>
1729
1730 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1731 a floating point insn.
1732 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1733 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1734 frv_queue_fp_exception_interrupt.
1735 (frv_queue_fp_exception_interrupt): New function.
1736 (next_available_fq): New function.
1737 (set_fp_exception_registers): New function.
1738 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1739 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1740 (frv_program_interrupt): Don't process interrupt if it is masked.
1741 * frv.c (frvbf_h_fr_double_get_handler): Call
1742 frv_queue_fp_exception_interrupt.
1743 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1744 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1745 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1746 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1747 (frv_fp_exception_info): New struct type.
1748 (frv_interrupt_queue_element): Add fp_info member.
1749 (frv_fsr_traps): New enumeration.
1750 (frv_fsr_ftt): New enumeration.
1751 (frv_sie): New enumeration.
1752 (frv_miv): New enumeration.
1753 (GET_FSR): New macro.
1754 (SET_FSR): New macro.
1755 (GET_FSR_TEM): New macro.
1756 (SET_FSR_QNE): New macro.
1757 (SET_FSR_FTT): New macro.
1758 (GET_FSR_AEXC): New macro.
1759 (SET_FSR_AEXC): New macro.
1760 (GET_FQ): New macro.
1761 (SET_FQ): New macro.
1762 (SET_FQ_OPC): New macro.
1763 (SET_FQ_MIV): New macro.
1764 (SET_FQ_SIE): New macro.
1765 (SET_FQ_FTT): New macro.
1766 (SET_FQ_CEXC): New macro.
1767 (GET_FQ_VALID): New macro.
1768 (SET_FQ_VALID): New macro.
1769 (frv_queue_fp_exception_interrupt): New function.
1770 (FRV_IS_FLOAT_INSN): New macro.
1771
17721999-11-04 Dave Brolley <brolley@cygnus.com>
1773
1774 * traps.c (frvbf_fpu_error): No floating point errors need to be
1775 detected.
1776 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1777 of the ESR registers too.
1778 (set_exception_status_registers): Don't set EAR for any precise
1779 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1780 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1781 (non_operating_interrupt): No need for return code.
1782 (frv_program_or_software_interrupt): Process interrupt regardless
1783 of operating mode. If PSR.ET was not set at the start of processing,
1784 then stop the simulation with a message.
1785 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1786 CGEN_MEM_XI_WRITE.
1787 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1788 (frvbf_h_fr_quad_set_handler): New function.
1789 (frvbf_h_cpr_quad_set_handler): New function.
1790 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1791 sim_queue_fn_xi_write.
1792 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1793 sim_queue_fn_xi_write.
1794 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1795 sim_queue_fn_xi_write.
1796 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1797 sim_queue_mem_xi_write.
1798 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1799 sim_queue_mem_xi_write.
1800 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1801 sim_queue_mem_xi_write.
1802 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1803 (frvbf_h_fr_quad_set_handler): New function.
1804 (frvbf_h_cpr_quad_set_handler): New function.
1805 (SET_ESR_VALID): New macro.
1806 (CLEAR_ESR_VALID): New macro.
1807 (CLEAR_ESR_EAV): New macro.
1808 (CLEAR_ESR_EDV): New macro.
1809 * sem.c: Regenerate.
1810
18111999-11-02 Dave Brolley <brolley@cygnus.com>
1812
1813 * traps.c (frv_core_signal): Call
1814 frv_queue_mem_address_not_aligned_interrupt.
1815 * mloop.in (_parallel_write_queued): Call
1816 frv_save_data_written_for_interrupts.
1817 * frv.c (frvbf_h_gr_double_get_handler): Call
1818 frv_queue_register_exception_interrupt.
1819 (frvbf_h_cpr_double_get_handler): Call
1820 frv_queue_register_exception_interrupt.
1821 (frvbf_h_cpr_double_set_handler): Call
1822 frv_queue_register_exception_interrupt.
1823 (frvbf_load_multiple_GR): Call
1824 frv_queue_register_exception_interrupt.
1825 (frvbf_store_multiple_GR): Call
1826 frv_queue_register_exception_interrupt.
1827 (frvbf_load_multiple_CPR): Call
1828 frv_queue_register_exception_interrupt.
1829 (frvbf_store_multiple_CPR): Call
1830 frv_queue_register_exception_interrupt.
1831 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1832 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1833 queue element.
1834 (frv_queue_program_interrupt): Now returns interrupt queue element.
1835 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1836 element.
1837 (frv_queue_interrupt): Now returns interrupt queue element.
1838 (frv_queue_register_exception_interrupt): New function.
1839 (frv_queue_mem_address_not_aligned_interrupt): New function.
1840 (frv_save_data_written_for_interrupts): New function.
1841 (next_available_edr): EDR registers available in blocks of 4.
1842 (clear_exception_status_registers): New function.
1843 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1844
1845 * frv-sim.h (struct frv_data_written): New struct type.
1846 (frv_interrupt_queue_element): Add data_written member.
1847 (frv_queue_software_interrupt): Now returns interrupt queue element.
1848 (frv_queue_program_interrupt): Now returns interrupt queue element.
1849 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1850 element.
1851 (frv_queue_interrupt): Now returns interrupt queue element.
1852 (frv_queue_register_exception_interrupt): New function.
1853 (frv_queue_mem_address_not_aligned_interrupt): New function.
1854 (frv_save_data_written_for_interrupts): New function.
1855
18561999-10-27 Dave Brolley <brolley@cygnus.com>
1857
1858 * interrupts.c (ITABLE_ENTRY): New macro.
1859 (frv_interrupt_table): Add exception codes.
1860 (next_available_esr): New function.
1861 (next_available_edr): New function.
1862 (set_edr_register): New function.
1863 (set_exception_status_registers): New function.
1864 (check_for_compound_interrupt): Record information on all interrupts
1865 found.
1866 (frv_program_interrupt): Always call check_for_compound_interrupt.
1867 * frv.c (frvbf_h_pc_set_handler): Removed.
1868 (frvbf_h_spr_get_handler): Handle LR register.
1869 (frvbf_h_spr_set_handler): Handle LR register.
1870 (frvbf_h_lr_get_handler): New function.
1871 (frvbf_h_lr_set_handler): New function.
1872 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1873 (frvbf_h_lr_set_handler): New function.
1874 (frv_ec): New enumeration.
1875 (frv_interrupt): Add frv_ec field.
1876 (frv_rec): New enumeration.
1877 (frv_daec): New enumeration.
1878 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1879 (SET_ESR_EC): New macro.
1880 (SET_ESR_REC): New macro.
1881 (SET_ESR_IAEC): New macro.
1882 (SET_ESR_DAEC): New macro.
1883 (SET_ESR_EAV): New macro.
1884 (GET_ESR_EDV): New macro.
1885 (SET_ESR_EDV): New macro.
1886 (GET_ESR_EDN): New macro.
1887 (SET_ESR_EDN): New macro.
1888 (GET_ESR): New macro.
1889 (SET_ESR): New macro.
1890 (SET_EPCR): New macro.
1891 (SET_EAR): New macro.
1892 (SET_EDR): New macro.
1893 (GET_ESFR): New macro.
1894 (SET_ESFR): New macro.
1895 * cpu.c,cpu.h,sem.c: Rebuild.
1896
18971999-10-26 Dave Brolley <brolley@cygnus.com>
1898
1899 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1900 if mach is frv.
1901 (clear_nesr_neear): Only execute if mach is frv.
1902
19031999-10-22 Dave Brolley <brolley@cygnus.com>
1904
1905 * sim-main.h (sim_cpu): Add pipeline.
1906 (CPU_PIPELINE): New macro.
1907 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1908 (main loop): Maintain pc in cpu.
1909 * frv-sim.h (frv_queue_software_interrupt): New interface.
1910 (frv_queue_program_interrupt): New interface.
1911 (frv_queue_illegal_instruction_interrupt: New interface.
1912 (frv_queue_interrupt): New interface.
1913 (frv_detect_insn_access_interrupts): New interface.
1914 (frv_process_interrupts): New interface.
1915 (frv_program_interrupt): New interface.
1916 (frv_software_interrupt): New interface.
1917 (frv_program_or_software_interrupt): New interface.
1918 (FRV_PIPELINE): Moved from pipline.c.
1919 (frv_pipeline_reset): New interface.
1920 (frv_pipeline_add_insn): New interface.
1921 * interrupts.c (frv_queue_software_interrupt): New interface.
1922 (frv_queue_program_interrupt): New interface.
1923 (frv_queue_illegal_instruction_interrupt: New interface.
1924 (frv_queue_interrupt): New interface.
1925 (frv_detect_insn_access_interrupts): New interface.
1926 (frv_process_interrupts): New interface.
1927 (frv_program_interrupt): New interface.
1928 (frv_software_interrupt): New interface.
1929 (frv_program_or_software_interrupt): New interface.
1930 * frv.c: Use new interfaces.
1931 * pipeline.c: Use new interfaces.
1932 * traps.c: Use new interfaces.
1933 * memory.c: Use new interfaces.
1934 (frv_address_forbidden): No longer static.
1935
19361999-10-19 Dave Brolley <brolley@cygnus.com>
1937
1938 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1939 NESR.EC.
1940 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1941 * frv.c (frvbf_h_pc_set_handler): New function.
1942 * interrupts.c (frv_detect_data_interrupt): Removed.
1943 (address_forbidden): Removed.
1944 * frv-sim.h (frv_detect_data_interrupt): Removed.
1945 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1946 (NESR_REGISTER_NOT_ALIGNED): New macro.
1947 (NESR_UQI_SIZE): New macro.
1948 (NESR_QI_SIZE): New macro.
1949 (NESR_UHI_SIZE): New macro.
1950 (NESR_HI_SIZE): New macro.
1951 (NESR_SI_SIZE): New macro.
1952 (NESR_DI_SIZE): New macro.
1953 (NESR_XI_SIZE): New macro.
1954 (GET_NESR_DAEC): New macro.
1955 (SET_NESR_DAEC): New macro.
1956 (GET_NESR_REC): New macro.
1957 (SET_NESR_REC): New macro.
1958 (GET_NESR_EC): New macro.
1959 (SET_NESR_EC): New macro.
1960 (frvbf_read_mem_QI): New function.
1961 (frvbf_read_mem_UQI): New function.
1962 (frvbf_read_mem_HI): New function.
1963 (frvbf_read_mem_UHI): New function.
1964 (frvbf_read_mem_SI): New function.
1965 (frvbf_read_mem_WI): New function.
1966 (frvbf_read_mem_DI): New function.
1967 (frvbf_read_mem_DF): New function.
1968 (frvbf_write_mem_QI): New function.
1969 (frvbf_write_mem_UQI): New function.
1970 (frvbf_write_mem_HI): New function.
1971 (frvbf_write_mem_UHI): New function.
1972 (frvbf_write_mem_SI): New function.
1973 (frvbf_write_mem_WI): New function.
1974 (frvbf_write_mem_DI): New function.
1975 (frvbf_write_mem_DF): New function.
1976 * Makefile.in (SIM_OBJS): Add memory.o.
1977 * cpu.c,cpu.h,sem.c: Rebuild.
1978
19791999-10-18 Dave Brolley <brolley@cygnus.com>
1980
1981 * sim-if.c (sim_open): Use a real fpu error function.
1982 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
1983 * mloop.in (_parallel_write_queued): Clear queue after writing.
1984 * interrupts.c (check_for_compound_interrupt): New function.
1985 (non_operating_interrupt): New function.
1986 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
1987 (frvbf_h_gr_double_set_handler): New function.
1988 (frvbf_h_fr_double_get_handler): New function.
1989 (frvbf_h_fr_double_set_handler): New function.
1990 (frvbf_h_cpr_double_get_handler): New function.
1991 (frvbf_h_cpr_double_set_handler): New function.
1992 (frv_interrupt_queue_element): New struct type.
1993 (frv_queue_program_interrupt): Now takes pc.
1994 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1995 (frv_queue_interrupt): Now takes pc.
1996 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1997 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1998 (frvbf_division_exception): New function.
1999 (frvbf_fpu_error): New function.
2000 (frvbf_load_multiple_GR): New function.
2001 (frvbf_load_multiple_FR): New function.
2002 (frvbf_load_multiple_CPR): New function.
2003 * frv.c (frvbf_h_gr_double_get_handler): New function.
2004 (frvbf_h_gr_double_set_handler): New function.
2005 (frvbf_h_fr_double_get_handler): New function.
2006 (frvbf_h_fr_double_set_handler): New function.
2007 (frvbf_h_cpr_double_get_handler): New function.
2008 (frvbf_h_cpr_double_set_handler): New function.
2009 (frv_interrupt_queue_element): New struct type.
2010 (frv_queue_program_interrupt): Now takes pc.
2011 (frv_queue_illegal_instruction_interrupt): Now takes pc.
2012 (frv_queue_interrupt): Now takes pc.
2013 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2014 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2015 (frvbf_fpu_error): New function.
2016 (frvbf_load_multiple_GR): New function.
2017 (frvbf_load_multiple_FR): New function.
2018 (frvbf_load_multiple_CPR): New function.
2019 * traps.c (frvbf_division_exception): New function.
2020 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2021
20221999-10-12 Dave Brolley <brolley@cygnus.com>
2023
2024 * mloop.in (new_vpc): New variable.
2025 (main loop): Call frv_detect_insn_access_interrupts. Call
2026 frv_detect_data_interrupts.
2027 * interrupts.c (access_queued_to): New function.
2028 (frv_detect_data_interrupts): New function.
2029 (frv_detect_insn_access_interrupts): New function.
2030 (frv_program_or_software_interrupt): Set PSR.S.
2031 * frv-sim.h (frv_detect_data_interrupts): New function.
2032 (frv_detect_insn_interrupts): New function.
2033
20341999-10-07 Dave Brolley <brolley@cygnus.com>
2035
2036 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2037 (frvbf_h_gr_hi_set_handler): New function.
2038 (frvbf_h_gr_lo_get_handler): New function.
2039 (frvbf_h_gr_lo.set_handler): New function.
2040 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2041 (frvbf_h_gr_hi_set_handler): New function.
2042 (frvbf_h_gr_lo_get_handler): New function.
2043 (frvbf_h_gr_lo.set_handler): New function.
2044 (frvbf_model_fr500_u_integer): New function.
2045 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2046
20471999-10-04 Dave Brolley <brolley@cygnus.com>
2048
2049 * traps.c: Use sim_engine_abort.
2050 * pipeline.c (frv_pipeline): Add field for insn major.
2051 (add_next_to_pipe): Return address of matching pipeline.
2052 (find_major_in_pipeline): New function.
2053 (check_insn_major_constraints: New function.
2054 (frv_pipeline_add_insn): Add checks for insn major constraints.
2055 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2056 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2057
2058Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2059
2060 * pipeline.c: New file.
2061 * mloop.in (main loop): Call frv_pipeline_reset.
2062 Call frv_pipeline_add_insn.
2063 * frv-sim.h (frv_pipeline_reset): New function.
2064 (frv_pipeline_add_insn): New function.
2065 * Makefile.in (SIM_OBJS): Add pipeline.o
2066
20671999-09-29 Doug Evans <devans@casey.cygnus.com>
2068
2069 * sem.c: Rebuild.
2070 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2071 result to SEM_PC. Return vpc.
2072
2073Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2074
2075 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2076 (frv_queue_interrupt): Don't detect identical interrupts here.
2077
2078Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2079
2080 * interrupts.c: New file.
2081 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2082 (frv_software_interrupt): Moved to interrupts.c.
2083 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2084 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2085 (@cpu@_perform_writeback): New function.
2086 (main loop): Call frv_process_interrupts.
2087 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2088 (frv_itrap): New interface.
2089 (frv_interrupt_class): New enumeration.
2090 (frv_interrupt_kind): New enumeration.
2091 (struct frv_interrupt): New struct type.
2092 (frv_interrupt_table): New table of interrupt information.
2093 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2094 (struct frv_interrupt_state): New struct type.
2095 (frv_interrupt_state): New global variable.
2096 (previous_vliw_pc): New global variable.
2097 (frv_queue_software_interrupt): New function.
2098 (frv_queue_program_interrupt): New function.
2099 (frv_queue_interrupt): New function.
2100 (frv_process_interrupts): New function.
2101 (frv_program_interrupt): New function.
2102 (frv_software_interrupt): New function.
2103 (frv_program_or_software_interrupt): New function.
2104 (frv_clear_interrupt_classes): New function.
2105 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2106 * Makefile.in (SIM_OBJS): Add interrupts.o
2107 * sem.c: Rebuild.
2108
21091999-09-25 Doug Evans <devans@casey.cygnus.com>
2110
2111 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2112
2113Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2114
2115 * mloop.in (main loop): Determine last insn from scache entry.
2116 * cpu.h: Rebuild.
2117 * cpuall.h: Rebuild.
2118
2119Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2120
2121 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2122 (NECR_ELOS): Define as unshifted value.
2123 (NECR_NEN): Define as unshifted value.
2124 (NECR_VALID): Define as unshifted value.
2125 (SET_NESR): Rewite to use post-write queue.
2126 (SET_NESR_VALID): Rewite to operate on argument.
2127 (SET_NESR_EAV): Rewite to operate on argument.
2128 (SET_NESR_FR): Rewite to operate on argument.
2129 (CLEAR_NESR_FR): Rewite to operate on argument.
2130 (SET_NESR_DRN): Rewite to operate on argument.
2131 (SET_NESR_SIZE): Rewite to operate on argument.
2132 (SET_NESR_NEAN): Rewite to operate on argument.
2133 (SET_NEEAR): Rewite to use post-write queue.
2134 (SET_NE_FLAG): Rewite to use post-write queue.
2135 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2136 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2137 (frv_rett): Rewite to use post-write queue.
2138 (next_available_nesr): Rewrite to use new macro interfaces.
2139 (next_valid_nesr): Ditto.
2140 (frvbf_check_non_excepting_load): Ditto.
2141 (frvbf_check_recovering_store): Ditto.
2142 (clear_nesr_neear): Ditto.
2143 (clear_ne_flags): Ditto.
2144 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2145 when flag is set.
2146 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2147 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2148 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2149 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2150 * Makefile.in (frv.o): Depend on cgen-par.h.
2151
2152Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2153
2154 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2155 (frvbf_write_next_vliw_addr_to_LR): New flag.
2156 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2157 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2158 address of the next VLIW insn if flag is set.
2159 * cpu.h,decode.c,sem.c: Rebuild.
2160
2161Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2162
2163 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2164 * sem.c: Rebuild.
2165
21661999-09-02 Doug Evans <devans@casey.cygnus.com>
2167
2168 * configure: Regenerated to track ../common/aclocal.m4 changes.
2169
21701999-09-01 Doug Evans <devans@casey.cygnus.com>
2171
2172 * decode.c: Rebuild.
2173
2174Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2175
2176 * traps.c (frv_rett): New function.
2177 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2178 (frvbf_h_spr_set_handler): Handle bpsr.
2179 (frvbf_h_bpsr_get_handler): New function.
2180 (frvbf_h_bpsr_set_handler): New function.
2181 * frv-sim.h (frv_rett): New function.
2182 (frvbf_h_bpsr_get_handler): New function.
2183 (frvbf_h_bpsr_set_handler): New function.
2184 * mloop.in: Read actual packing bit.
2185 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2186
2187Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2188
2189 * traps.c (WANT_CPU): New macro.
2190 (WANT_CPU_FRVBF): New macro.
2191 (frvbf_check_recovering_store): Use registers for source and queue
2192 writes.
2193 * mloop.in: New main loop for parallel support.
2194 (@cpu@_parallel_write_init): New function.
2195 (@cpu@_parallel_write_queued): New function.
2196 * frv-sim.h (set_icc_for_shift_left): New interface.
2197 (set_icc_for_shift_right): New interface.
2198 (frvbf_check_recovering_store): New interface.
2199 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2200 (set_icc_for_shift_right): Pass and return icc value.
2201 (frvbf_check_recovering_store): New interface.
2202 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2203 (stamp-mloop): Add cgen parallel options.
2204 (stamp-arch): Remove with-profile option.
2205 (stamp-cpu): Add cgen parallel options.
2206 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2207
22081999-08-28 Doug Evans <devans@casey.cygnus.com>
2209
2210 * cpu.h,decode.c,sem.c: Rebuild.
2211
2212Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2213
2214 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2215
2216Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2217
2218 * configure.in: fr500 now the default model.
2219 * configure: Regenerate.
2220 * frv.c: Change frv-1 to frv-gen.
2221 (frvbf_model_fr500_u_exec): New function.
2222 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2223 * mloop.in: Fix typos in comments.
2224 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2225
22261999-08-17 Dave Brolley <brolley@cygnus.com>
2227
2228 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2229
22301999-08-09 Doug Evans <devans@casey.cygnus.com>
2231
2232 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2233
22341999-08-04 Doug Evans <devans@casey.cygnus.com>
2235
2236 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2237
2238Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2239
2240 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2241 (frvbf_store_register): Use GDB register number macros.
2242 (frvbf_cut): New function.
2243 * frv-sim.h (GR_REGNUM_MAX): New macro.
2244 (FR_REGNUM_MAX): New macro.
2245 (PC_REGNUM): New macro.
2246 (LR_REGNUM): New macro.
2247 (frvbf_cut): New function.
2248 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2249
22501999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2251
2252 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2253 add default for unhandled registers.
2254 (frvbf_store_register): Add ability to set LR register.
2255
22561999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2257
2258 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2259 (decode_gdb_dr_regnum): Remove, not used.
2260
22611999-07-13 Michael Meissner <meissner@cygnus.com>
2262
2263 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2264
2265 * configure.in (--enable-sim-trapdump): New switch to make unknown
2266 traps dump the register contents, instead of doing the trap thing.
2267 * configure: Regenerate.
2268
2269 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2270 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2271 temporarily.
2272
2273 * traps.h (toplevel): Include bfd.h, libiberity.h.
2274 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2275 dumping the registers.
2276
2277Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2278
2279 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2280
2281Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2282
2283 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2284
2285Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2286
2287 * frv.c (frvbf_square_root_SF): Removed.
2288 (frvbf_square_root_DF): Removed.
2289 (frvbf_h_fr_double_get_handler): Removed.
2290 (frvbf_h_fr_double_set_handler): Removed.
2291 (frvbf_h_fr_int_get_handler): Removed.
2292 (frvbf_h_fr_int_set_handler): Removed.
2293 * frv-sim.h (frvbf_square_root_SF): Removed.
2294 (frvbf_square_root_DF): Removed.
2295 (frvbf_h_fr_double_get_handler): Removed.
2296 (frvbf_h_fr_double_set_handler): Removed.
2297 (frvbf_h_fr_int_get_handler): Removed.
2298 (frvbf_h_fr_int_set_handler): Removed.
2299 * decode.c,decode.h,model.c,sem.c: Rebuild.
2300
23011999-07-05 Doug Evans <devans@casey.cygnus.com>
2302
2303 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2304 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2305 * sim-if.c (sim_open): Initialize fpu.
2306 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2307 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2308 with frvbf_h_fr_get.
2309
2310Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2311
2312 * frv-sim.h (NESR_RANGE): New macro.
2313 (NO_NESR): New macro.
2314 (GET_NESR_VALID): New macro.
2315 (next_ne_index): Removed.
2316 * traps.c (next_available_nesr): New function.
2317 (next_valid_nesr): New function.
2318 (frvbf_check_non_excepting_load): Use next_available_nesr.
2319 (frvbf_check_recovering_store): Use next_available_nesr and
2320 next_valid_nesr.
2321 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2322 (frvbf_check_recovering_store): Only consider one matching register.
2323 * sem.c: Rebuild.
2324
2325Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2326
2327 * frv.c (frvbf_square_root_SF): New function.
2328 (frvbf_square_root_DF): New function.
2329 (frvbf_h_fr_double_get_handler): New function.
2330 (frvbf_h_fr_double_set_handler): New function.
2331 * frv-sim.h (frvbf_square_root_SF): New function.
2332 (frvbf_square_root_DF): New function.
2333 (frvbf_h_fr_double_get_handler): New function.
2334 (frvbf_h_fr_double_set_handler): New function.
2335 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2336
23371999-06-28 Dave Brolley <brolley@cygnus.com>
2338
2339 * decode.c,decode.h,model.c,sem.c: Regenerate.
2340
2341Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2342
2343 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2344 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2345 (frvbf_h_fr_int_set_handler): New function.
2346 (frvbf_store_multiple_FRint): New function.
2347 (frvbf_square_root_SF): New function.
2348 * frv.c (frvbf_h_fr_int_get_handler): New function.
2349 (frvbf_h_fr_int_set_handler): New function.
2350 (frvbf_store_multiple_FRint): New function.
2351 (frvbf_square_root_SF): New function.
2352 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2353
23541999-06-23 Doug Evans <devans@casey.cygnus.com>
2355
2356 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2357 to genmloop.sh. Pass -scache instead.
2358 (mloop.o): Delete sem-switch.c dependency.
2359 (sem-switch.c): Delete rule.
2360 (stamp-cpu): Don't build sem-switch.c.
2361 * sem-switch.c: Delete.
2362 * mloop.in (xfull-exec-*): Fix call to execute.
2363 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2364
2365 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2366
2367Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2368
2369 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2370
2371Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2372
2373 * mloop.in (execute): Force gr0 to zero before each insn.
2374 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2375
23761999-06-18 Doug Evans <devans@casey.cygnus.com>
2377
2378 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2379
2380Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2381
2382 * frv.c (frvbf_h_gr_get_handler): New function.
2383 (frvbf_h_gr_set_handler): New function:
2384 (frvbf_store-multiple_GR): New function:
2385 (frvbf_store-multiple_FR): New function:
2386 (frvbf_store-multiple_CPR): New function:
2387 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2388 (frvbf_h_gr_set_handler): New function:
2389 (frvbf_store-multiple_GR): New function:
2390 (frvbf_store-multiple_FR): New function:
2391 (frvbf_store-multiple_CPR): New function:
2392 * traps.c (frv_itrap): Implement proper syscalls interface.
2393 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2394
2395Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2396
2397 * traps.c (frvbf_check_non_excepting_divide): New function.
2398 (frvbf_check_recovering_store): New function.
2399 (clear_nesr_neear): New function.
2400 (clear_ne_flags): New function.
2401 (frvbf_commit): New function.
2402
2403 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2404 (frvbf_check_recovering_store): New function.
2405 (clear_nesr_neear): New function.
2406 (clear_ne_flags): New function.
2407 (frvbf_commit): New function.
2408 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2409
24101999-06-16 Dave Brolley <brolley@cygnus.com>
2411
2412 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2413 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2414 * traps.c (next_ne_index): New variable.
2415 (frvbf_check_non_excepting_load): New function.
2416 * frv-sim.h (NECR_ELOS): New macro.
2417 (NECR_NEN): New macro.
2418 (NECR_VALID): New macro.
2419 (SET_NESR_VALID): New macro.
2420 (SET_NESR_EAV): New macro.
2421 (SET_NESR_FR): New macro.
2422 (CLEAR_NESR_FR): New macro.
2423 (SET_NESR_DRN): New macro.
2424 (SET_NESR_SIZE): New macro.
2425 (SET_NESR_NEAN): New macro.
2426 (SET_NEEAR): New macro.
2427 (GET_NE_FLAG): New macro.
2428 (SET_NE_FLAG): New macro.
2429 (CLEAR_NE_FLAG): New macro.
2430 (frvbf_check_non_excepting_load): New function:
2431 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2432
2433Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2434
2435 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2436
2437Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2438
2439 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2440 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2441
2442Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2443
2444 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2445
24461999-06-07 Dave Brolley <brolley@cygnus.com>
2447
2448 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2449
2450Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2451
2452 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2453
2454Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2455
2456 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2457
2458Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2459
2460 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2461
2462Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2463
2464 * traps.c (frv_software_interrupt): Pass current_cpu to
2465 frvbf_h_psr_esr_get.
2466 (frv_software_interrupt): Calculate the new PC based on TBR.
2467 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2468
24691999-05-31 Dave Brolley <brolley@cygnus.com>
2470
2471 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2472
2473Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2474
2475 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2476 (frvbf_h_cccr_set_handler): New function.
2477 (frvbf_scan_result): New function.
2478 (frvbf_cr_logic): New function.
2479 * frv.c (frvbf_h_cccr_get_handler): New function.
2480 (frvbf_h_cccr_set_handler): New function.
2481 (frvbf_scan_result): New function.
2482 (frvbf_cr_logic): New function.
2483 (cr_ops,cr_result,cr_logic): New table.
2484 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2485
24861999-05-25 Dave Brolley <brolley@cygnus.com>
2487
2488 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2489 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2490 (frv_psr_get_handler): New function.
2491 (frv_psr_set_handler): New function.
2492 (frv_tbr_get_handler): New function.
2493 (frv_tbr_set_handler): New function.
2494 (frvbf_h_ccr_get_handler): Add support for fCC.
2495 (frvbf_h_ccr_set_handler): Add support for fCC.
2496 * frv-sim.h (frv_psr_get_handler): New function.
2497 (frv_psr_set_handler): New function.
2498 (frv_tbr_get_handler): New function.
2499 (frv_tbr_set_handler): New function.
2500 * traps.c (frv_software_interrupt): Implement.
2501 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2502
2503Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2504
2505 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2506
25071999-05-18 Dave Brolley <brolley@cygnus.com>
2508
2509 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2510 (frvbf_set_icc_for_shift_right): New function.
2511 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2512 (frvbf_set_icc_for_shift_right): New function.
2513 (SETMEMSF): New Macro.
2514 (SETMEMDF): New Macro.
2515 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2516
2517Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2518
2519 * frv.c (frvbf_h_ccr_get_handler): New function.
2520 (frvbf_h_ccr_set_handler): New function.
2521 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2522
2523Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2524
2525 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2526 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2527 * frv.c: Likewise.
2528 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2529
25301999-05-10 Dave Brolley <brolley@cygnus.com>
2531
2532 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2533
2534Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2535
2536 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2537 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2538
2539Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2540
2541 * traps.c (frv_software_interrupt): New function.
2542 (frv_itrap): New function.
2543 * frv-sim.h (TRAP_SYSCALL): define as 0.
2544 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2545
2546Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2547
2548 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2549
2550Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2551
2552 * Directory created.
A mirror of the official binutils-gdb repository