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[deliverable/binutils-gdb.git] / sim / frv / ChangeLog
CommitLineData
c7a48b9a
RS		 12004-03-01 Richard Sandiford <rsandifo@redhat.com>
2
3 * cache.c (frv_cache_init): Change fr400 cache statistics to match
4 the fr405.
5 (non_cache_access): Add missing breaks.
6 * interrupts.c (set_exception_status_registers): Always set EAR15
7 for data_access_errors.
8 * memory.c (fr400_check_write_address): Remove redundant alignment
9 check.
10 * model.c: Regenerate.
11
8b73069f
RS		 122004-03-01 Richard Sandiford <rsandifo@redhat.com>
13
14 * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
15
8ae0baa2
RS		 162004-03-01 Richard Sandiford <rsandifo@redhat.com>
17
18 * decode.c, decode.h, model.c, sem.c: Regenerate.
19
d74c4203
KB		 202003-11-24 Kevin Buettner <kevinb@redhat.com>
21
22 * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
23 (SPR_REGNUM_MAX): Delete.
24 * frv.c (gdb/sim-frv.h): Include.
25 (frvbf_fetch_register, frvbf_store_register): Use register number
26 constants from gdb/sim-frv.h. Check availability of general
27 purpose and float registers.
28
0b01870b
DB		 292003-11-03 Dave Brolley <brolley@redhat.com>
30
31 * cache.c (address_interference): Check for higher priority requests
32 in the same pipeline.
33
9a29f3ca
DB		 342003-10-31 Dave Brolley <brolley@redhat.com>
35
162cec1b 36 * frv-sim.h (LR_REGNUM): Removed.
073926e5 37 (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
9a29f3ca 38 * frv.c (frvbf_fetch_register): Fetch SPR registers based on
073926e5 39 SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
9a29f3ca
DB		 40 Return 0 for an unimplemented register. Return the length of the data
41 for an implemented register.
42 (frvbf_store_register): Ditto.
43
fc0a2244
AC		 442003-10-30 Andrew Cagney <cagney@redhat.com>
45
46 * traps.c: Replace "struct symbol_cache_entry" with "struct
47 bfd_symbol".
48
29a79ca0
DB		 492003-10-10 Dave Brolley <brolley@redhat.com>
50
51 * cpu.h, sem.c: Regenerate.
52
e930b1f5
DB		 532003-10-06 Dave Brolley <brolley@redhat.com>
54
55 * profile-fr550.[ch]: New files.
56 * configure.in: Move frv handling to alphabetically correct placement.
57 * Makefile.in: Add fr550 support.
58 * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
59 profile.[ch],registers.c,traps.c: Add fr550 support.
60 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
61 Regenerate.
62
22f367a7
DB		 632003-09-25 Dave Brolley <brolley@redhat.com>
64
65 * reset.c (frv_initialize): Call frv_register_control_init first.
66
1c453cd6
DB		 672003-09-24 Dave Brolley <brolley@redhat.com>
68
69 * profile.h (update_FR_ptime): New prototype.
70 (update_FRdouble_ptime): Ditto.
71 (update_SPR_ptime): Ditto.
72 (increase_ACC_busy): Ditto.
73 (enforce_full_acc_latency): Ditto.
74 (post_wait_for_SPR): Ditto.
75 * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
76 (update_FRdouble_ptime): Ditto.
77 (update_SPR_ptime): New function.
78 (increase_ACC_busy): Ditto.
79 (enforce_full_acc_latency): Ditto.
80 (vliw_wait_for_fdiv_resource): Correct resource name.
81 (vliw_wait_for_fsqrt_resource): Ditto.
82 (post_wait_for_SPR): New function.
83 * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
84 (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
85 adjust_float_register_busy.
86 (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
87 (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
88 registers.
89 (frvbf_model_fr500_u_float_arith): Ditto.
90 (frvbf_model_fr500_u_float_dual_arith): Ditto.
91 (frvbf_model_fr500_u_float_div): Ditto.
92 (frvbf_model_fr500_u_float_sqrt): Ditto.
93 (frvbf_model_fr500_u_float_convert): Ditto.
94 (update_FR_ptime): Moved to profile.c
95 (update_FRdouble_ptime): Moved to profile.c
96 * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
97 for other machines.
98 (update_FRdouble_ptime): Ditto.
99 * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
100
153431d6
DB		 1012003-09-12 Dave Brolley <brolley@redhat.com>
102
103 * registers.c (frv_check_spr_read_access): Check for access to
104 ACC4-ACC63 and ACCG4-ACCG63.
105 * profile.h (frv-desc.h): #include it.
106 (spr_busy): New member of FRV_PROFILE_STATE.
107 (spr_latency): Ditto.
108 (GNER_FOR_GR): New macro.
109 (FNER_FOR_FR): New maccro.
110 (update_SPR_latency): New function.
111 (vliw_wait_for_SPR): New function.
93938d47 112 * profile.c (update_latencies): Update SPR latencies.
153431d6
DB		 113 (update_target_latencies): Ditto.
114 (update_SPR_latency): New function.
115 (vliw_wait_for_SPR): New function.
116 * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
117 (frvbf_model_fr500_u_trap): Removed unused variable, ps.
118 (frvbf_model_fr500_u_check): Ditto.
119 (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
120 (frvbf_model_fr500_u_clrfr): Ditto.
121 (frvbf_model_fr500_u_spr2gr): Wait for SPR.
122 (frvbf_model_fr500_u_gr2spr): Ditto.
123 * frv-sim.h (H_SPR_ACC4): New macro.
124 (H_SPR_ACCG4): New macro;
125 (H_SPR_ACC0): Removed.
126 (H_SPR_ACCG0): Removed.
127 * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
128
ba9c4053
DB		 1292003-09-10 Dave Brolley <brolley@redhat.com>
130
131 * profile.c (slot_names): FM1 was listed twice. Changed first
132 instance to FM0. Added IALL, FMALL and FMLOW.
133 (print_parallel): Don't examine slots with no insns.
134
f9e18f5a
DB		 1352003-09-09 Dave Brolley <brolley@redhat.com>
136
137 * frv.c (do_media_average): Select machine using a switch.
138
d89a78b6
DB		 1392003-09-08 Dave Brolley <brolley@redhat.com>
140
141 On behalf of Doug Evans <dje@sebabeach.org>
142 * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
143 Remove copying of .cpu file to cgen/cpu, no longer needed.
144
d03ea14f
DB		 1452003-09-03 Dave Brolley <brolley@redhat.com>
146
147 * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
148
e8d2f504
DB		 1492003-08-29 Dave Brolley <brolley@redhat.com>
150
151 * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
152 temporarily when regenerating files.
153 (stamp-cpu): Ditto.
154
b34f6357
DB		 1552003-08-20 Micheal Snyder <msnyder@redhat.com>
156
157 * All generated files: Regenerate.
158
1592001-10-11 Dave Brolley <brolley@redhat.com>
160
161 * cpu.h,decode.c,decode.h,sem.c: Regenerate.
162
1632001-10-09 Dave Brolley <brolley@redhat.com>
164
165 * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
166 not set.
167 * reset.c (frv_hardware_reset): Invalidate both caches.
168 * registers.c: Update init, reset and read-only masks for all registers
169 on all machines.
170 * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
171 (prev_gr_complex): New field of FRV_PROFILE_STATE
172 (set_use_is_gr_complex): New function.
173 (set_use_not_gr_complex): New function.
174 (use_is_gr_complex): New function.
175 (decrease_GR_busy): New function.
176 * profile.c (reset_gr_flags): New function.
177 (reset_cc_flags): New function.
178 (set_use_is_gr_complex): New function.
179 (set_use_not_gr_complex): New function.
180 (use_is_gr_complex): New function.
181 (update_latencies): Reset gr and cc flags when latency reaches 0.
182 (decrease_GR_busy): New function.
183 * profile-fr400.h (fr500_reset_acc_flags): Removed.
184 (fr500_reset_cc_flags): New function.
185 * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
186 LSI version 1.41.
187 * profile-fr400.h (fr400_reset_gr_flags): New function.
188 (fr400_reset_fr_flags): New function.
189 (fr400_reset_acc_flags): New function.
190 * profile-fr400.c (set_use_not_media_p4): New function.
191 (set_use_not_media_p6): New function.
192 (set_acc_use_not_media_p2): New function.
193 (set_acc_use_not_media_p4): New function.
194 (fr400_reset_gr_flags): New function.
195 (fr400_reset_fr_flags): New function.
196 (fr400_reset_acc_flags): New function.
197 (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
198 (frvbf_model_fr400_u_media_hilo): New function.
199 * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
200 * memory.c (fr400_check_data_read_address): Check address range only
201 for double word loads. Don't check alignment here.
202 (fr400_check_readwrite_address): New function.
203 (fr500_check_readwrite_address): New function.
204 (check_readwrite_address): New function.
205 (fr500_check_insn_read_address): Correct address ranges.
206 (frvbf_read_mem_*): Check address range here.
207 (frv_address_forbidden): Removed.
208 (fr400_check_write_address): New function.
209 (check_write_address): New function.
210 (frvbf_write_mem_*): Don't check address range here.
211 (frvbf_mem_set_*): Check address range here.
212 * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
213 address as second argument.
214 (frv_queue_data_access_exception_interrupt): New function.
215 (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
216 media insns on fr400.
217 (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
218 for media insns on fr400.
219 (frv_detect_insn_access_interrupts): Don't check for illegal addresses
220 of insns here. Check for MTRAP insn if PSR.EM is not set.
221 (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
222 set.
223 (set_exception_status_registers): Do not always set EPCR. Set EAR for
224 data_acess_error only if not fr400.
225 * frv.c (do_media_average): New function.
226 (frvbf_media_average): New function.
227 (frvbf_insn_cache_invalidate): Check for illegal invocation.
228 (frvbf_data_cache_invalidate): Ditto.
229 (frvbf_data_cache_flush): Ditto.
230 * frv-sim.h (GET_FSR_QNE): New macro.
231 (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
232 (GET_MSR_SRDAV): New macro.
233 (GET_MSR_RDAV): New macro.
234 (GET_MSR_RD): New macro.
235 (frv_queue_data_access_error_interrupt): Now takes an address as second
236 argument.
237 (frv_address_forbidden): Removed.
238 * cache.c (non_cache_access): Correct address ranges. Now takes cache
239 as first argument.
240 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
241
2422001-08-20 Dave Brolley <brolley@redhat.com>
243
244 * sim-main.h (_sim_cpu): New field 'elf_flags'.
245 * sim-if.c (sim_open): Extract the elf_flags from the input file and
246 save them with each cpu.
247 * mloop.in (main loop): Pass elf flags to frv_vliw_reset. Set
248 last_insn_p before executing the insn.
249 * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
250 insn cache.
251 (frv_cache_invalidate_all): Ditto.
252
2532001-08-20 Richard Sandiford <rsandifo@redhat.com>
254
255 * traps.c (syscall_read_mem): Flush the data cache before reading.
256 (syscall_write_mem): Flush the data cache before writing.
257 Invalidate both caches.
258
2592001-07-05 Ben Elliston <bje@redhat.com>
260
261 * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
262 (stamp-cpu): Likewise.
263
2642001-05-23 Dave Brolley <brolley@redhat.com>
265
266 * profile-fr400.c (acc_use_is_media_p2): New function.
267 (frvbf_model_fr400_u_media_2): Account for latency of output
268 accumulators.
269 (frvbf_model_fr400_u_media_2_quad): Ditto.
270 (frvbf_model_fr400_u_media_2_acc): New function.
271 (frvbf_model_fr400_u_media_2_acc_dual): New function.
272 (frvbf_model_fr400_u_media_2_add_sub): New function.
273 (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
274 (frvbf_model_fr400_u_media_3_dual): New function.
275 (frvbf_model_fr400_u_media_4_acc_dual): New function.
276 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
277
2782001-05-15 Dave Brolley <brolley@redhat.com>
279
280 * registers.c (fr400_spr): Enable write access to HSR0.CBM.
281 * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
282 * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
283 (request_cache_flush): Save 'all' argument.
284 (request_cache_invalidate): Save all_cache_entries from profile state
285 to 'all' field of the request.
286 (submit_cache_request): Pass the 'all' field of the request to
287 frv_cache_request_invalidate.
288 * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
289 operation even if HSR0.ICE is not set.
290 (frv_data_cache_invalidate): Add new 'all' parameter. Perform
291 operation even if HSR0.DCE is not set.
292 (frv_data_cache_flush): Ditto.
293 * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
294 (frv_data_cache_invalidate): Add new 'all' parameter.
295 (frv_data_cache_flush): Add new 'all' parameter.
296 * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
297 (frv_cache_request_invalidate): Add new 'all' parameter.
298 * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
299 its value in the invalidate request.
300 (address_interference): Accept the value '-1' for the address argument
301 to mean 'any address'.
302 (handle_req_invalidate): Handle request to invalidate all cache lines.
303 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
304
3052001-05-14 Dave Brolley <brolley@redhat.com>
306
307 * profile.h (past_first_p): New field of profiling state.
308 (branch_penalty): Ditto.
309 (branch_hint): Ditto.
310 (update_branch_penalty): New function.
311 * profile.c (frvbf_model_insn_after): Reset past_first_p and
312 branch_address fields of the profiling state.
313 (frvbf_model_branch): New function.
314 (update_branch_penalty): New function.
315 * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
316 FCCi_3 inputs.
317 (frvbf_model_fr500_u_trap): New function.
318 (frvbf_model_fr500_u_check): New function.
319 (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
320 cycles.
321 * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
322 as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
323 (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
324 documented in teh fr400 LSI.
325 (frvbf_model_fr400_u_media_dual_htob): Ditto.
326 (frvbf_model_fr400_u_media_dual_unpack): Removed.
327 (frvbf_model_fr500_u_trap): New function.
328 (frvbf_model_fr500_u_check): New function.
329 * mloop.in (simulate_dual_insn_prefetch): New function.
330 (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
331 arguments for each machine type.
332 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
333
3342001-05-09 Dave Brolley <brolley@redhat.com>
335
336 * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
337 (profile-fr400.o): New target.
338 * profile.c: New file.
339 * profile.h: New file.
340 * profile-fr400.c: New file.
341 * profile-fr400.h: New file.
342 * profile-fr500.c: New file.
343 * profile-fr500.h: New file.
344 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
345
3462001-05-02 Dave Brolley <brolley@redhat.com>
347
348 * sim-main.h (profile.h): #include it.
349 (CPU_PROFILE_STATE): New macro.
350 (profile_state): New frv specific cpu field.
351 * reset.c (frv_initialize): insn_fetch_address and branch_address now
352 part of global profiling state.
353 * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
354 (SIM_EXTRA_DEPS): Add profile.h.
355 (registers.o): Correct name of source file.
356 (profile.o): New target.
357 (profile-fr500.o): New target.
358 * frv-sim.h: Move profile related data structures to profile.h.
359 * frv.c: Move fr500 specific functions to profile-fr500.c.
360 * cpu.h: Regenerated.
361
3622001-04-27 Dave Brolley <brolley@redhat.com>
363
364 * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
365 * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
366 Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
367 Rename PIPE_* to UNIT_*.
368 (frv_queue_illegal_instruction_interrupt): Use
369 frv_is_float_insn and frv_is_media_insn.
370 (frv_queue_non_implemented_instruction_interrupt): Ditto.
371 (frv_detect_insn_access_interrupts): Ditto.
372 * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
373 Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
374 * memory.c: Ditto.
375 * pipeline.c: Ditto.
376 * mloop.in: Ditto.
377 * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
378 * cache.c: Rename PIPE_* to UNIT_*.
379
3802001-04-24 Dave Brolley <brolley@redhat.com>
381
382 * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
383 (frvbf_load_quad_FRint): Ditto.
384 (frvbf_load_quad_CPR): Ditto.
385 * cache.c (frv_cache_init): Initialize cache for fr400 vs other
386 machines.
387 (bfd.h): #include it.
388 (non_cache_access): Update for revised fr500 and for fr400.
389 * registers.c (frv_spr): Don't reset PSR.PS.
390 (fr500_spr): Ditto.
391 (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
392
3932001-04-23 Dave Brolley <brolley@redhat.com>
394
395 * traps.c (frv_core_signal): On fr400, generate data_access_error.
396 (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
397 (frvbf_media_acc_not_aligned): Ditto.
398 (frvbf_media_register_not_aligned): Ditto.
399 (frvbf_division_exception): Use GET_ISR_EDE.
400 * registers.c (frv_check_spr_read_access): New function.
401 (frv_check_spr_write_access): New function.
402 (frv_check_spr_access): Deleted.
403 (frv_check_register_access): On fr400, generate illegal_instruction.
404 * memory.c (fr400_check_data_read_address): New function.
405 (fr500_check_data_read_address): Ditto.
406 (check_data_read_address): Ditto.
407 (fr400_check_insn_read_address): Ditto.
408 (fr500_check_insn_read_address): Ditto.
409 (check_insn_read_address): Ditto.
410 (frvbf_read_mem_QI): Call check_data_read_access.
411 (frvbf_read_mem_UQI): Ditto.
412 (frvbf_read_mem_HI): Ditto.
413 (frvbf_read_mem_UHI): Ditto.
414 (frvbf_read_mem_SI): Ditto.
415 (frvbf_read_mem_DI): Ditto.
416 (frvbf_read_mem_DF): Ditto.
417 (frvbf_read_imem_USI): Call check_insn_read_access.
418 (frv_address_forbidden): Now takes cpu as first argument. Check based
419 on machine type.
420 (fr400_mem_address_unaligned): New function.
421 (fr500_mem_address_unaligned): Ditto.
422 (check_write_address): Ditto.
423 (frvbf_mem_set_QI): Call check_write_address.
424 (frvbf_mem_set_HI): Ditto.
425 (frvbf_mem_set_SI): Ditto.
426 (frvbf_mem_set_DI): Ditto.
427 (frvbf_mem_set_DF): Ditto.
428 (frvbf_mem_set_XI): Ditto.
429 * interrupts.c (bfd.h): #include it.
430 (frv_queue_data_access_error_interrupt): New function.
431 (frv_queue_instruction_access_error_interrupt): New function.
432 (frv_queue_instruction_access_exception_interrupt): New function.
433 (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
434 (frv_queue_non_implemented_instruction_interrupt): Ditto.
435 (frv_detect_insn_access_interrupts): Reorder tests to match priority
436 from the LSI manual.
437 (set_isr_exception_fields): Accumulate dtt bits.
438 * frv.c (check_register_alignment): New function.
439 (check_fr_register_alignment): New function.
440 (check_memory_alignment): New function.
441 (frvbf_h_gr_double_get_handler): Call check_register_alignment.
442 (frvbf_h_gr_double_set_handler): Ditto.
443 (frvbf_h_cpr_double_get_handler): Ditto.
444 (frvbf_h_cpr_double_set_handler): Ditto.
445 (frvbf_h_gr_quad_set_handler): Ditto.
446 (frvbf_h_cpr_quad_set_handler): Ditto.
447 (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
448 (frvbf_h_fr_double_set_handler): Ditto.
449 (frvbf_h_fr_quad_set_handler): Ditto.
450 (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
451 (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
452 (frvbf_load_quad_GR): Call check_memory_aligment.
453 (frvbf_load_quad_FRint): Ditto.
454 (frvbf_load_quad_CPR): Ditto.
455 (frvbf_store_quad_GR): Call check_memory_aligment and
456 check_register_alignment.
457 (frvbf_store_quad_FRint): Ditto.
458 (frvbf_store_quad_CPR): Ditto.
459 (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
460 * frv-sim.h (H_SPR_ACC0): New macro.
461 (H_SPR_ACC63): New macro.
462 (H_SPR_ACCG0): New macro.
463 (H_SPR_ACCG63): New macro.
464 (frv_dtt): New enumerator.
465 (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
466 (GET_ISR_DTT): New macro.
467 (frv_queue_data_access_error_interrupt): New function.
468 (frv_queue_instruction_access_error_interrupt): New function.
469 (frv_queue_instruction_access_exception_interrupt): New function.
470 (frv_address_forbidden): Now takes cpu as first argument.
471 * cpu.h: Regenerate.
472
4732001-04-10 Dave Brolley <brolley@redhat.com>
474
475 * registers.c (fr500_spr): Add new fields to fr500 PSR register.
476 (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
477 (fr400_spr): Implement SPR registers for fr400.
478 (frv_register_control_init): Handle bfd_mach_fr400 properly.
479 * frv.c (spr_bpsr_get_handler): Mask field before shifting.
480 (spr_psr_get_handler): Ditto.
481 (spr_ccr_get_handler): Ditto.
482 (spr_cccr_get_handler): Ditto.
483 (frvbf_clear_accumulators): Only 4 accumulators on fr400.
484 * frv-sim.h: Update comment about MCCR_* macros.
485 * cpu.c,cpu.h: Regenerate.
486
4872001-04-05 Dave Brolley <brolley@redhat.com>
488
489 * cpu.h,decode.c,model.c,sem.c: Regenerate.
490
4912001-04-05 Dave Brolley <brolley@redhat.com>
492
493 * reset.c: Update copyright.
494 * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
495 * frv.c (frvbf_model_fr400_u_exec): New function.
496 * Makefile.in (stamp-cpu): Add fr400 to list of machines.
497 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
498 Regenerate.
499
5002000-11-22 Dave Brolley <brolley@redhat.com>
501
502 * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
503 Regenerate.
504
5052000-11-10 Dave Brolley <brolley@redhat.com>
506
507 * decode.c: Regenerate.
508
5092000-09-12 Dave Brolley <brolley@redhat.com>
510
511 * traps.c (frv_sim_engine_halt_hook): New function.
512 (frv_itrap): Caches now invalidated in sim_engine_halt via
513 SIM_ENGINE_HALT_HOOK.
514 (frv_break): Ditto.
515 * sim-main.h (frv_sim_engine_halt_hook): New function.
516 (SIM_ENGINE_HALT_HOOK): New macro.
517 (SIM_ENGINE_RESTART_HOOK): New macro.
518 * interrupts.c: Call to frv_term now done within sim_engine_halt via
519 SIM_ENGINE_HALT_HOOK.
520
5212000-09-08 Dave Brolley <brolley@redhat.com>
522
523 * traps.c (frv_itrap): Invalidate and flush the data and insn caches
524 respectively when stopping for a breakpoint.
525 (frv_break): Ditto.
526 * cache.h (frv_cache_invalidate_all): New function.
527 * cache.c (frv_cache_invalidate_all): New function.
528
5292000-09-05 Dave Brolley <brolley@redhat.com>
530
531 * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
532 sim_handle_breakpoint. Otherwise if environment != operating call
533 sim_engine_halt. Otherwise handle normally.
534 * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
535 breakpoints here. Moved to frv_break in traps.c.
536
537 * sem.c: Regenerate.
538
5392000-09-01 Dave Brolley <brolley@redhat.com>
540
541 * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
542 before queuing an interrupt in order to allow 'break' to be used as
543 the breakpoint insn.
544
5452000-08-29 Dave Brolley <brolley@redhat.com>
546
547 * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
548
5492000-07-27 Dave Brolley <brolley@redhat.com>
550
551 * cpu.h,decode.c: Rebuild.
552
5532000-07-26 Dave Brolley <brolley@redhat.com>
554
555 * frv.c (spr_cccr_get_handler): Change CRx to CCx.
556 (spr_cccr_set_handler): Change CRx to CCx.
557 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
558
5592000-07-24 Dave Brolley <brolley@redhat.com>
560
561 * sem.c: Regenerate.
562 * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
563 Don't write it directly.
564
565Thu Jul 6 13:51:12 2000 Dave Brolley <brolley@topaz>
566
567 * configure: Regenerated to track ../common/aclocal.m4 changes.
568
5692000-07-05 Ben Elliston <bje@redhat.com>
570
571 * configure: Regenerated to track ../common/aclocal.m4 changes.
572
5732000-06-28 Dave Brolley <brolley@redhat.com>
574
575 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
576
5772000-06-21 Dave Brolley <brolley@redhat.com>
578
579 * pipeline.c: All code except frv_pipeline_setup_insn moved to
580 frv.opc.
581 * mloop.in (main loop): frv_pipeline_add_insn broken up into
582 frv_pipeline_add_insn and frv_pipeline_setup_insn.
583 * frv-sim.h: Move pipeline status code to frv.opc.
584 * model.c: Regenerate.
585
5862000-06-12 Dave Brolley <brolley@redhat.com>
587
588 * options.c (frv_option_handler): --profile-parallel implies
589 --profile-model.
590 * mloop.in (fetch_buffer): Removed.
591 (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
592 run_caches. Use cache directly if not counting cycles. Don't use
593 cache at all if not counting cycles and cache not enabled.
594 * frv.c (frv_insn_fetch_buffer): New global variable.
595 (run_caches): Monitor the status of insn prefetch requests.
596 * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
597 (frv_insn_fetch_buffer): New global variable.
598
5992000-06-12 Dave Brolley <brolley@redhat.com>
600
601 * mloop.in (fetch_buffer): New static struct.
602 (@cpu@_simulate_insn_prefetch): Rewritten.
603 * cache.c (frv_cache_request_invalidate): Don't invalidate return
604 buffer.
605 (address_interference): Defer to any WAR request in either pipeline.
606
6072000-06-09 Dave Brolley <brolley@redhat.com>
608
609 * pipeline.c (insns_in_slot): New Array.
610 (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
611 * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
612 option.
613 (parse_cache_option): New function.
614 (frv_option_handler): Call parse_cache_option.
615 * frv.c (vliw_branch_taken): New variable.
616 (vliw_load_stall): New variable.
617 (handle_resource_wait): Update vliw_load_stall.
618 (frvbf_model_insn_before): Initialize vliw_branch_taken and
619 vliw_load_stall.
620 (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
621 (load_wait_for_FR): Update vliw_load_stall.
622 (load_wait_for_GR): Update vliw_load_stall.
623 (load_wait_for_FRdouble): Update vliw_load_stall.
624 (load_wait_for_GRdouble): Update vliw_load_stall.
625 (frvbf_model_fr500_u_branch): Count branches taken and not taken.
626 (slot_names): New static array.
627 (print_parallel): Now takes second argument 'verbose'. Print cycles per
628 VLIW insn and instructions per cycle. Also tabulate the number of insns
629 in each type of VLIW slot.
630 (frv_profile_info): Call print_parallel with new second argument.
631 * frv-sim.h (insn_in_slot): New array.
632 (COUNT_INSNS_IN_SLOT): New macro.
633 (INSNS_IN_SLOT): New macro.
634 * cache.c: Remove references to non_blocking_count. Remove references to
635 last_was_hit. Remove references to req_none.
636 (handle_req_store): Adjust statistics before requeuing the store
637 request.
638 (handle_req_WAR): Don't let the WAR request affect the cache statistics.
639 * cache.h: Remove references to non_blocking_count. Remove references to
640 last_was_hit. Remove references to req_none.
641 * model.c: Regenerate.
642
6432000-06-08 Dave Brolley <brolley@redhat.com>
644
645 * frv.c (request_complete): Copy load data from the correct return
646 buffer.
647
6482000-06-07 Dave Brolley <brolley@redhat.com>
649
650 * traps.c (frv_core_signal): Call frv_term before exiting.
651 (frv_itrap): Call frv_term before exiting.
652 (next_available_nesr): Make sure NECR is implemented before reading it.
653 (next_valid_nesr): Ditto.
654 (frvbf_check_non_excepting_load): Ditto.
655 (frvbf_clear_ne_flags): Ditto.
656 (frvbf_commit): Ditto.
657 (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
658 * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
659 store_flag members.
660 (CPU_LOAD_ADDRESS): New macro.
661 (CPU_LOAD_LENGTH): New macro.
662 (CPU_LOAD_SIGNED): New macro.
663 (CPU_LOAD_LOCK): New macro.
664 * reset.c (frv_term): New function.
665 (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
666 (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
667 (frv_software_reset): Use SETMEMSI if the cache is not enabled.
668 * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
669 the insn. Model the insn in two passes. One before and one after
670 execution.
671 (cache_reqno): new static variable.
672 (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
673 cache rather than assuming a fixed latency.
674 (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
675 enabled so that modeling data is collected by cgen during execution.
676 (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
677 * memory.c (data_non_cache_access): Removed.
678 (insn_non_cache_access): Removed.
679 (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
680 (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
681 (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
682 (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
683 (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
684 (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
685 (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
686 (frvbf_read_imem_USI): Read the cache or ememory passively.
687 (frvbf_write_mem_QI): Don't check for non-cache access here.
688 (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
689 (frvbf_write_mem_HI): Don't check for non-cache access here.
690 (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
691 (frvbf_write_mem_SI): Don't check for non-cache access here.
692 (frvbf_write_mem_DI): Don't check for non-cache access here.
693 (frvbf_write_mem_DF): Don't check for non-cache access here.
694 (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
695 (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
696 (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
697 (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
698 (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
699 (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
700 * interrupts.c (check_reset): Read the cache and memory passively.
701 (frv_program_or_software_interrupt): Call frv_term before calling
702 sim_engine_halt.
703 * frv.c (all modeling functions): Break into two passes. One before
704 execuetion and one after. call load_wait_for_* for all GR and FR
705 registers.
706 (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
707 (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
708 (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
709 (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
710 (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
711 (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
712 (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
713 (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
714 (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
715 (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
716 (model_insn): New global variable.
717 (fr_ptime): New array.
718 (cache_request): New enumeration.
719 (CACHE_QUEUE_ELEMENT): New struct type.
720 (CACHE_QUEUE_SIZE): New macro.
721 (cache_queue): New static struct.
722 (request_cache_load): New function.
723 (request_cache_flush): New function.
724 (request_cache_invalidate): New function.
725 (request_cache_preload): New function.
726 (request_cache_unlock): New function.
727 (submit_cache_request): New function.
728 (activate_cache_requests): New function.
729 (load_pending_for_register): New function.
730 (flush_pending_for_address): New function.
731 (remove_cache_queue_element): New function.
732 (copy_load_data): New function.
733 (request_complete): New function.
734 (run_caches): New function.
735 (frv_model_trace_wait_cycles): New function.
736 (wait_for_flush): New function.
737 (frvbf_model_insn_before): Insn prefect wait now modeled in
738 frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
739 wait_for_flush.
740 (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
741 vliw_insns here anymore.
742 (update_FR_latency_for_load): New function.
743 (update_FRdouble_latency_for_load): New function.
744 (update_FR_ptime): New function.
745 (update_FRdouble_ptime): New function.
746 (update_GR_latency_for_swap): New function.
747 (load_wait_for_GR): New function.
748 (load_wait_for_FR): New function.
749 (load_wait_for_GRdouble): New function.
750 (load_wait_for_FRdouble): New function.
751 (frvbf_model_fr500_u_ici): New function.
752 (frvbf_model_fr500_u_dci): New function.
753 (frvbf_model_fr500_u_dcf): New function.
754 (frvbf_model_fr500_u_icpl): New function.
755 (frvbf_model_fr500_u_dcpl): New function.
756 (frvbf_model_fr500_u_icul): New function.
757 (frvbf_model_fr500_u_dcul): New function.
758 * frv-sim.h (frv_term): New function.
759 (insn_non_cache_access): Removed.
760 (FRV_COUNT_CYCLES): New macro.
761 (frv_save_peofile_model_p): New global variable.
762 (model_insn): New enumerated global variable.
763 (frv_model_advance_cycles): New function.
764 (frv_model_trace_wait_cycles): New function.
765 * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
766 (FRV_CACHE_WAR_REQUEST): New struct type.
767 (FRV_CACHE_STORE_REQUEST): New struct type.
768 (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
769 (FRV_CACHE_PRELOAD_REQUEST): New struct type.
770 (FRV_CACHE_REQUEST): New struct type.
771 (FRV_CACHE_RETURN_BUFFER): New struct type.
772 (FRV_CACHE_FLUSH_STATUS): New struct type.
773 (FRV_CACHE_STATUS): New struct type.
774 (FRV_CACHE_STAGE): New struct type.
775 (FRV_CACHE_STAGES): New enumeration.
776 (FRV_CACHE_WAR): New struct type.
777 (FRV_CACHE_PIPELINE): New struct type.
778 (FRV_CACHE_ARS): New struct type.
779 (FRV_CACHE_STATISTICS): New struct type.
780 (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
781 (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
782 (CACHE_RETURN_DATA_ADDRESS): New macro.
783 (frv_cache_read): Now takes pipe index as second argument.
784 (frv_cache_enabled): New function.
785 (frv_cache_request_load): New function.
786 (frv_cache_request_store): New function.
787 (frv_cache_request_invalidate): New function.
788 (frv_cache_request_preload): New function.
789 (frv_cache_request_unlock): New function.
790 (frv_cache_run): New function.
791 (frv_cache_read_passive_SI): New function.
792 (frv_cache_data_in_buffer): New function.
793 (frv_cache_data_flushed): New function.
794 * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
795 (frv_cache_enabled): New function.
796 (non_cache_access): New function.
797 (write_data_to_memory): Count write accesses for each mode. Write to
798 memory using sim_core_write_unaligned_1;
799 (read_data_from_memory): New function.
800 (fill_line_from_memory): Use read_data_from_memory.
801 (copy_line_to_return_buffer): New function.
802 (copy_memory_to_return_buffer): New function.
803 (set_return_buffer_reqno): New function.
804 (frv_cache_read): Now takes pipe index as second argument. Check for
805 non-cache access.
806 (frv_cache_preload): Check for non-cache access.
807 (frv_cache_unlock): Check for non-cache access.
808 (invalidate_return_buffer): New function.
809 (frv_cache_invalidate): Check for non-cache access.
810 (convert_slot_to_index): New function.
811 (FREE_CHAIN_SIZE): New macro.
812 (frv_cache_request_free_chain): New static variable.
813 (frv_store_request_free_chain): New static variable.
814 (allocate_new_cache_requests): New function.
815 (new_cache_request): New function.
816 (free_cache_request): New function.
817 (new_store_request): New function.
818 (pipeline_remove_request): New function.
819 (pipeline_add_request): New function.
820 (pipeline_requeue_request): New function.
821 (next_priority): New function.
822 (add_WAR_request): New function.
823 (pipeline_next_request): New function.
824 (pipeline_stage_request): New function.
825 (advance_pipelines): New function.
826 (frv_cache_request_load): New function.
827 (frv_cache_request_store): New function.
828 (frv_cache_request_invalidate): New function.
829 (frv_cache_request_preload): New function.
830 (frv_cache_request_unlock): New function.
831 (address_interference): New function.
832 (wait_for_WAR): New function.
833 (wait_in_WAR): New function.
834 (handle_req_load): New function.
835 (handle_req_preload): New function.
836 (handle_req_store): New function.
837 (handle_req_invalidate): New function.
838 (handle_req_unlock): New function.
839 (handle_req_WAR): New function.
840 (arbitrate_requests): New function.
841 (move_ARS_to_WAR): New function.
842 (decrease_latencies): New function.
843 (frv_cache_run): New function.
844 (frv_cache_read_passive_SI): New function.
845 (frv_cache_data_in_buffer): New function.
846 (frv_cache_data_flushed): New function.
847 * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
848
849Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
850
851 * configure: Regenerated to track ../common/aclocal.m4 changes.
852
8532000-05-19 Dave Brolley <brolley@redhat.com>
854
855 * traps.c (frv_rett): Check for exceptions in the order specified in the
856 architecture spec. Allow privileged_instruction interrrupt to be handled
857 normally.
858 * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
859 * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
860 to clear the NE flag.
861 (frvbf_model_tomcat_u_exec): New function.
862 * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
863 * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
864 * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
865
8662000-05-18 Dave Brolley <brolley@redhat.com>
867
868 * sim-if.c (elf-bfd.h): #include it.
869 (sim_open): Set machine amd architecture based on elf flags.
870
8712000-04-04 Dave Brolley <brolley@redhat.com>
872
873 * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
874 Delete '#if 0' blocks.
875 * frv.c: Delete '#if 0' blocks.
876 (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
877 PSR.S and PSR.ESR.
878 (frv_h_psr_esr_set_handler): Removed.
879 * interrupts.c: Delete '#if 0' blocks.
880 * memory.c: Delete '#if 0' blocks.
881 * cpu.c,cpu.h: Regenerate.
882
8832000-04-03 Dave Brolley <brolley@redhat.com>
884
885 * traps.c (frvbf_check_recovering_store): Invalidate data cache line
886 containing the target address.
887 (clear_nesr_neear): No longer takes hi_available and lo_available.
888 Remove bogus check for available GR registers.
889 (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
890 (frvbf_commit): Update call to clear_nesr_neear.
891 * interrupts.c (next_available_esr): Removed.
892 (next_available_edr): Removed.
893 (next_available_fq): Removed.
894 * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
895 (frvbf_store_register): Remove "FIXME" comment.
896 * frv-sim.h (UART_INCHAR_ADDR): Removed.
897 (UART_OUTCHAR_ADDR): Removed.
898 (UART_STATUS_ADDR): Removed.
899 (UART_INPUT_READY): Removed.
900 (UART_OUTPUT_READY): Removed.
901 (FRV_DEVICE_ADDR): Removed.
902 (FRV_DEVICE_LEN): Removed.
903 (SET_NESR): Call frvbf_force_update.
904 (SET_NEEAR): Call frvbf_force_update.
905 (SET_NE_FLAGS): Call frvbf_force_update.
906
9072000-03-30 Dave Brolley <brolley@redhat.com>
908
909 * configure: Regenerated.
910
9112000-03-30 Dave Brolley <brolley@redhat.com>
912
913 * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
914 * memory.c (frvbf_write_mem_*): Save slot containing the insn
915 performing the write.
916 (frvbf_mem_set_*): Overwrite the slot information of the interrupt
917 queue element with the information in the interrupt state.
918 * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
919 (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
920 (frv_set_interrupt_queue_slot): New function.
921 (esr_for_data_access_exception): New function.
922 (set_edr_register): edr_index is now passed in.
923 (fq_for_exception): New function.
924 (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
925 element now passed in.
926 (set_exception_status_registers): Obtain slot from interrupt queue
927 element. Call esr_for_data_access_exception. Use ESR14
928 for data_store_error. Use ESR15 for data_access_error. Use EDR0.
929 (frv_save_data_written_for_interrupts): Save slot containing the insn
930 performing the write.
931 * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
932 frv_fsr_ftt.
933 (struct frv_interrupt_state): Add 'slot' field.
934 (frv_set_interrupt_queue_slot): New function.
935 (frv_set_write_queue_slot): New function.
936
9372000-03-24 Dave Brolley <brolley@redhat.com>
938
939 * mloop.in (_parallel_write_init): Initialize
940 frv_interrupt_state.imprecise_interrupt.
941 (_parallel_write_queued): After an imprecise interrupt, only perform
942 forced writes and floating point writes (for certain exceptions).
943 * interrupts.c (handle_interrupt): Set
944 frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
945 interrupt.
946 (frv_process_interrupts): No need to clear f_ne_flags.
947 * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
948 force them to happen even if there is an overflow exception.
949 (frvbf_force_update): New function.
950 * frv-sim.h (frvbf_force_update): New function.
951 (struct frv_interrupt_state): Add imprecise_interrupt.
952 (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
953 * sem.c: Regenerate.
954
9552000-03-23 Dave Brolley <brolley@redhat.com>
956
957 * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
958 * registers.c (frv_spr): MCIRL -> MCILR.
959 * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
960 New function.
961 (frv_detect_insn_access_interrupts):
962 Call frv_queue_non_implemented_instruction_interrupt.
963 (frv_process_interrupts): Clear accumulated NE flags.
964 * frv.c (frvbf_media_cop): New function.
965 (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument. Clear
966 the NE flag of the given target register.
967 (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
968 (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
969 (frvbf_model_fr500_u_float_dual_sqrt): New function.
970 (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
971 (frvbf_model_fr500_u_float_dual_convert): New function.
972 * frv-sim.h (frvbf_media_cop): New function.
973 (GET_FQ): Use H_SPR_FQST0.
974 (SET_FQ): Use H_SPR_FQST0.
975 (SET_FQ_OPC): Use J_SPR_FQOP0.
976 (GET_MSR_EMCI): New macro.
977 (frv_queue_non_implemented_instruction_interrupt): New function.
978 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
979
9802000-03-08 Dave Brolley <brolley@redhat.com>
981
982 * traps.c (frv_rett): Align new_pc.
983 * memory.c (frvbf_read_mem_HI): Align address.
984 (frvbf_read_mem_UHI): Align address.
985 (frvbf_read_mem_SI): Align address.
986 (frvbf_read_mem_DI): Align address.
987 (frvbf_read_mem_DF): Align address.
988 (frvbf_read_imem_USI): Align address.
989 (frvbf_mem_set_HI): Align address.
990 (frvbf_mem_set_SI): Align address.
991 (frvbf_mem_set_DI): Align address.
992 (frvbf_mem_set_DF): Align address.
993 (frvbf_mem_set_XI): Align address.
994 * registers.c (frv_spr): Initialize FSR0.NS to 1.
995 (fr500_spr): Initialize FSR0.NS to 1.
996 * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
997 whether the exception is masked.
998 * frv.c (frvbf_load_quad_GR): Align address.
999 (frvbf_store_quad_GR): Align address.
1000 (frvbf_load_quad_FRint): Align address.
1001 (frvbf_store_quad_FRint): Align address.
1002 (frvbf_load_quad_CPR): Align address.
1003 (frvbf_store_quad_CPR): Align address.
1004 * frv-sim.h (GET_ISR_EMAM): New macro.
1005
10062000-03-08 Dave Brolley <brolley@redhat.com>
1007
1008 * traps.c (frvbf_division_exception): Check for masked overflow and
1009 set NE flags, if necessary.
1010 (frvbf_check_recovering_store): Queue writes to the hardware.
1011 (check_registers_available): Removed.
1012 (which_registers_available): Call frv_{fr,gr}_registers_available.
1013 (frvbf_clear_ne_flags): Call check_register_access.
1014 (frvbf_commit): Call check_register_access.
1015 * registers.h (frv_fr_registers_available): New function.
1016 (frv_gr_registers_available): New function.
1017 (frv_check_register_access): New function.
1018 (frv_check_gr_access): New function.
1019 (frv_check_fr_access): New function.
1020 * registers.c (frv_spr): Correct initial value of ISR.
1021 (fr500_spr): Correct initial value of ISR.
1022 (frv_fr_registers_available): New function.
1023 (frv_gr_registers_available): New function.
1024 (frv_check_register_access): New function.
1025 (frv_check_gr_access): New function.
1026 (frv_check_fr_access): New function.
1027 * interrupts.c (frv_queue_division_exception_interrupt): New function.
1028 (set_isr_exception_fields): New function.
1029 (set_exception_status_registers): Set ISR fields for division exception.
1030 (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1031 * frv.c (frvbf_h_gr_get_handler): New function.
1032 (frvbf_h_gr_set_handler): New function.
1033 (frvbf_h_fr_get_handler): New function.
1034 (frvbf_h_fr_set_handler): New function.
1035 (frvbf_h_spr_get_handler): Remove special handling for ISR.
1036 (frvbf_h_spr_set_handler): Remove special handling for ISR.
1037 (spr_isr_get_handler): Removed.
1038 (spr_isr_set_handler): Removed.
1039 (frvbf_signed_integer_divide): New funciton.
1040 (frvbf_unsigned_integer_divide): New funciton.
1041 * frv-sim.h (frvbf_h_gr_get_handler): New function.
1042 (frvbf_h_gr_set_handler): New function.
1043 (frvbf_h_fr_get_handler): New function.
1044 (frvbf_h_fr_set_handler): New function.
1045 (frvbf_signed_integer_divide): New funciton.
1046 (frvbf_unsigned_integer_divide): New funciton.
1047 (frv_dtt): New enumeration.
1048 (struct frv_interrupt_queue_element): Add dtt member.
1049 (GET_ISR): New macro.
1050 (SET_ISR): New macro.
1051 (GET_ISR_EDEM): New macro.
1052 (SET_ISR_DTT): New macro.
1053 (SET_ISR_AEXC): New macro.
1054 (frvbf_division_exception): Add 2 'int' arguments.
1055 (frvbf_check_non_excepting_divide): Removed.
1056 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1057
10582000-02-29 Dave Brolley <brolley@redhat.com>
1059
1060 * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1061 (frv_rett): Use hardware access macros. Write PSR as a whole.
1062 (next_available_nesr): Check that NECR is valid.
1063 (next_valid_nesr): Check that NECR is valid.
1064 (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1065 call hardware access functions. Use cover macros.
1066 (check_registers_available): New function.
1067 (clear_nesr_near): Check register availability.
1068 (clear_ne_flags): Check register availability.
1069 (frvbf_clear_ne_flags): Check register availability.
1070 (frvbf_commit): Check register availability.
1071 (which_registers_available): New function.
1072 * sim-main.h (registers.h): #include it.
1073 (register_control): New cpu field.
1074 (CPU_REGISTER_CONTROL): New macro.
1075 * reset.c (frv_initialize): Set HSR0 fields for cache here.
1076 (frv_power_on_reset): Initialize SPR registers and RSTR.
1077 (frv_hardware_reset): Initialize SPR registers and RSTR.
1078 (frv_software_reset): Reset SPR registers and RSTR.
1079 * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1080 Call frv_cache_init.
1081 * mloop.in (main loop): Check for insn access interrupts before
1082 executing the insn.
1083 * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1084 (frv_detect_insn_access_interrupts): Don't call hardware access
1085 functions directly. Use cover macros.
1086 (check_reset): Don't reset RSTR here.
1087 (next_available_esr): ESFR -> ESFR_FLAG.
1088 (next_available_edr): ESFR -> ESFR_FLAG.
1089 (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1090 ESFR -> ESFR_FLAG.
1091 (frv_break_interrupt): Don't call hardware access functions directly.
1092 Use cover macros.
1093 (frv_program_or_software_interrupt): Ditto.
1094 (frv_external_interrupt): Ditto.
1095 * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1096 (frvbf_store_register): Don't call 'set' functions directly.
1097 (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1098 (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1099 (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1100 (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1101 (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1102 (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1103 (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1104 (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1105 (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1106 (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1107 (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1108 Support shadow registers.
1109 (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1110 Support shadow registers.
1111 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1112 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1113 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1114 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1115 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1116 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1117 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1118 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1119 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1120 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1121 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1122 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1123 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1124 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1125 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1126 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1127 (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1128 version 1.3a.
1129 (spr_ccr_get_handler): Don't reference the hardware directly.
1130 (spr_ccr_set_handler): Don't reference the hardware directly.
1131 (spr_cccr_get_handler): Don't reference the hardware directly.
1132 (spr_cccr_set_handler): Don't reference the hardware directly.
1133 (spr_sr_get_handler): New function.
1134 (spr_sr_set_handler): New function.
1135 (frvbf_switch_supervisor_user_context): Temporarily switch to
1136 supervisor mode.
1137 (frvbf_store_quad_GR): Don't call handler directly.
1138 (frvbf_store_quad_FRint): Don't call handler directly.
1139 (frvbf_store_quad_CPR): Don't call handler directly.
1140 (frvbf_clear_all_accumulators): Removed.
1141 (frvbf_clear_accumulators): New function.
1142 (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1143 Account for in_ACCGi and out_ACCGk.
1144 * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1145 (RSTR_SOFTWARE_RESET): New macro.
1146 (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1147 (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1148 (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1149 (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1150 (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1151 (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1152 (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1153 (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1154 (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1155 (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1156 (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1157 (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1158 (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1159 (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1160 (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1161 (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1162 (frvbf_clear_all_accumulators): Removed.
1163 (frvbf_clear_accumulators): New function.
1164 (GET_HSR0): Use GET_H_SPR.
1165 (SET_HSR0): Use SET_H_SPR.
1166 (CLEAR_HSR0_ICE): New macro.
1167 (CLEAR_HSR0_DCE): New macro.
1168 (GET_IHSR8): Use GET_H_SPR.
1169 (GET_PSR): New macro.
1170 (SET_PSR_ET): New macro.
1171 (GET_PSR_PS): New macro.
1172 (SET_PSR_S): New macro.
1173 (GET_ESFR): Changed to reference entire register.
1174 (SET_ESFR): Changed to reference entire register.
1175 (GET_ESFR_FLAG): New macro.
1176 (SET_ESFR_FLAG): New macro.
1177 (NECR_ELOS): Removed.
1178 (NECR_NEN): Removed.
1179 (NECR_VALID): Removed.
1180 (GET_NECR): New macro.
1181 (GET_NECR_ELOS): New macro.
1182 (GET_NECR_NEN): New macro.
1183 (GET_NECR_VALID): New macro.
1184 (NESR_RANGE): Removed.
1185 (GET_NESR): Use GET_H_SPR.
1186 (GET_NE_FLAGS): Use GET_H_SPR.
1187 * cache.h (CACHE_INITIALIZED): New macro.
1188 * Makefile.in (SIM_OBJS): Add registers.o.
1189 (SIM_EXTRA_DEPS): Add registers.h.
1190 (registers.o): New target.
1191 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1192
11932000-02-17 Dave Brolley <brolley@redhat.com>
1194
1195 * interrupts.c (frv_interrupt_table): Update priority order and handler
1196 offsets to conform to the architecture version 1.3a.
1197 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1198 to the architecture version 1.3a.
1199
12002000-02-17 Dave Brolley <brolley@redhat.com>
1201
1202 * interrupts.c (frv_interrupt_table): Update priority order and handler
1203 offsets to conform to the latest specifications.
1204 (frv_queue_interrupt): Correct comment. Identical interrupts can be
1205 queued. New variable 'iclass' used to test for external interrupts.
1206 * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1207 to the latest specifications.
1208
12092000-01-20 Dave Brolley <brolley@redhat.com>
1210
1211 * sim-if.c (sim_open): Move frv-specific initialization to
1212 frv_initialize in reset.c.
1213 * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1214 status bits for hardware vs software reset.
1215 * reset.c: New file.
1216 * frv-sim.h (frv_initialize): New function.
1217 (frv_power_on_reset): New function.
1218 (frv_hardware_reset): New function.
1219 (frv_software_reset): New function.
1220 (RSTR_ADDRESS): New macro.
1221 (RSTR_INITIAL_VALUE): New macro.
1222 (GET_RSTR_HR): New macro.
1223 (GET_RSTR_SR): New macro.
1224 (SET_RSTR_H): New macro.
1225 (SET_RSTR_S): New macro.
1226 (CLEAR_RSTR_P): New macro.
1227 (CLEAR_RSTR_H): New macro.
1228 (CLEAR_RSTR_S): New macro.
1229 (CLEAR_RSTR_HR): New macro.
1230 (CLEAR_RSTR_SR): New macro.
1231
12322000-01-03 Dave Brolley <brolley@cygnus.com>
1233
1234 * mloop.in (execute): Only call modeling function if the pointer is not
1235 NULL.
1236 * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1237 fr500.
1238
12392000-01-03 Dave Brolley <brolley@cygnus.com>
1240
1241 * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1242 (frv_options): Add --memory-latency.
1243 (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1244 * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1245 * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1246 (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1247 (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1248 (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1249 (update_latencies): Only clear usage flags if the register has no
1250 target latency.
1251 (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1252 not |= (or assgnment).
1253 (frvbf_model_insn_after): Print post processing wait for all insns.
1254 Update prev_acc_p1 and prev_acc_p2.
1255 (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1256 (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1257 (frvbf_model_fr500_u_swap): Use cache memory_latency.
1258 (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1259 (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1260 (frvbf_model_fr500_u_media_quad_arith): New function.
1261 (frvbf_model_fr500_u_media_dual_mul): New function.
1262 (frvbf_model_fr500_u_media_quad_mul): New function.
1263 (frvbf_model_fr500_u_media_quad_complex): New function.
1264 (frvbf_model_fr500_u_media_dual_expand): New function.
1265 (frvbf_model_fr500_u_media_dual_unpack): New function.
1266 (frvbf_model_fr500_u_media_dual_btoh): New function.
1267 (frvbf_model_fr500_u_media_dual_htob): New function.
1268 (frvbf_model_fr500_u_media_dual_btohe): New function.
1269 (frv_ref_SI): New function.
1270 * cache.h (FRV_CACHE): Add memory_latency field.
1271 * cache.c (frv_cache_init): Initialize memory_latency.
1272 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1273
12741999-12-17 Dave Brolley <brolley@cygnus.com>
1275
1276 * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1277 * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1278 (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1279 (OPTIONS_FRV_TIMER): New enumeration.
1280 (frv_options): Add --profile-cache, --profile-parallel, --timer.
1281 (frv_option_handler): Override common implementation of -p. Handle
1282 --profile-cache, --profile-parallel, --timer.
1283 * mloop.in (execute): Call profiling functions if the timer interrupt
1284 is enabled.
1285 (@cpu@_simulate_insn_prefetch): New function.
1286 (main loop): Call @cpu@_simulate_insn_prefetch.
1287 * interrupts.c (frv_queue_interrupt): Don't queue two external
1288 interrupts of the same priority.
1289 (frv_queue_external_interrupt): New function.
1290 (frv_external_interrupt): New function.
1291 (handle_interrupt): Handle external interrupts.
1292 (check_reset): New function.
1293 (frv_process_interrupts): Call check_reset.
1294 * frv.c: Include "bfd.h"
1295 (frvbf_h_psr_get_handler): Set the PIL field.
1296 (frvbf_h_psr_set_handler): Get the PIL field.
1297 (DUAL_REG): New macro.
1298 (DUAL_DOUBLE): New macro.
1299 (SET_USE_IS_FPOP): New macro.
1300 (SET_USE_NOT_FPOP): New macro.
1301 (USE_IS_FPOP): New macro.
1302 (SET_USE_IS_MEDIA): New macro.
1303 (SET_USE_NOT_MEDIA): New macro.
1304 (USE_IS_MEDIA_P1): New macro.
1305 (SET_USE_IS_MEDIA_P1): New macro.
1306 (SET_USE_NOT_MEDIA_P1): New macro.
1307 (SET_USE_IS_MEDIA_P2): New macro.
1308 (SET_USE_NOT_MEDIA_P2): New macro.
1309 (USE_IS_MEDIA_P2): New macro.
1310 (SET_ACC_USE_IS_MEDIA_P1): New macro.
1311 (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1312 (ACC_USE_IS_MEDIA_P1): New macro.
1313 (SET_ACC_USE_IS_MEDIA_P2): New macro.
1314 (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1315 (ACC_USE_IS_MEDIA_P2): New macro.
1316 (RESOURCE_IDIV): New macro.
1317 (RESOURCE_FDIV): New macro.
1318 (RESOURCE_SQRT): New macro.
1319 (fr_busy_adjust): New array.
1320 (acc_busy_adjust): New array.
1321 (apply_latency_adjustments): New function.
1322 (update_latencies): New function.
1323 (handle_wait_cycles): New function.
1324 (handle_resource_wait): New function.
1325 (update_target_latencies): New function.
1326 (frvbf_model_insn_before): Add resource latency to cycle counts.
1327 (frvbf_model_insn_after): Add resource latency to cycle counts.
1328 (update_GR_latency): New function.
1329 (update_GRdouble_latency): New function.
1330 (update_FR_latency): New function.
1331 (update_FRdouble_latency): New function.
1332 (decrease_ACC_busy): New function.
1333 (decrease_FR_busy): New function.
1334 (increase_FR_busy): New function.
1335 (update_ACC_latency): New function.
1336 (update_CCR_latency): New function.
1337 (update_idiv_resource_latency): New function.
1338 (update_fdiv_resource_latency): New function.
1339 (update_fsqrt_resource_latency): New function.
1340 (vliw_wait_for_GR): New function.
1341 (vliw_wait_for_GRdouble): New function.
1342 (vliw_wait_for_FR): New function.
1343 (vliw_wait_for_FRdouble): New function.
1344 (vliw_wait_for_CCR): New function.
1345 (vliw_wait_for_ACC): New function.
1346 (vliw_wait_for_idiv_resource): New function.
1347 (vliw_wait_for_fdiv_resource): New function.
1348 (vliw_wait_for_fsqrt_resource): New function.
1349 (enforce_full_fr_latency): New function.
1350 (frvbf_model_fr500_u_exec): New function.
1351 (frvbf_model_fr500_u_integer): New function.
1352 (frvbf_model_fr500_u_imul): New function.
1353 (frvbf_model_fr500_u_idiv): New function.
1354 (frvbf_model_fr500_u_branch): New function.
1355 (frvbf_model_fr500_u_set_hilo): New function.
1356 (frvbf_model_fr500_u_gr_load_store): New function.
1357 (frvbf_model_fr500_u_fr_load_store): New function.
1358 (frvbf_model_fr500_u_swap): New function.
1359 (frvbf_model_fr500_u_fr2fr): New function.
1360 (frvbf_model_fr500_u_fr2gr): New function.
1361 (frvbf_model_fr500_u_spr2gr): New function.
1362 (frvbf_model_fr500_u_gr2fr): New function.
1363 (frvbf_model_fr500_u_gr2spr): New function.
1364 (post_wait_for_FR): New function.
1365 (post_wait_for_FRdouble): New function.
1366 (post_wait_for_ACC): New function.
1367 (post_wait_for_CCR): New function.
1368 (post_wait_for_fdiv): New function.
1369 (post_wait_for_fsqrt): New function.
1370 (adjust_float_register_busy): New function.
1371 (adjust_double_register_busy): New function.
1372 (restore_float_register_busy): New function.
1373 (restore_double_register_busy): New function.
1374 (frvbf_model_fr500_u_float_arith): New function.
1375 (frvbf_model_fr500_u_float_dual_arith): New function.
1376 (frvbf_model_fr500_u_float_div): New function.
1377 (frvbf_model_fr500_u_float_sqrt): New function.
1378 (frvbf_model_fr500_u_float_compare): New function.
1379 (frvbf_model_fr500_u_float_dual_compare): New function.
1380 (frvbf_model_fr500_u_float_convert): New function.
1381 (frvbf_model_fr500_u_media): New function.
1382 (frvbf_model_fr500_u_barrier): New function.
1383 (frvbf_model_fr500_u_membar): New function.
1384 * frv-sim.h (LEUINT): New macro.
1385 (GET_HSR0_SA): New macro.
1386 (struct frv_interrupt_timer): New struct.
1387 (struct frv_interrupt_state): Add timer fiield.
1388 (frv_queue_external_interrupt): New function.
1389 (frv_external_interrupt): New function.
1390 (frv_profile_info): New function.
1391 (PROFILE_CACHE_IDX): New enumerator.
1392 (PROFILE_PARALLEL_IDX): New enumerator.
1393 (PROFILE_cache): New macro.
1394 (PROFILE_parallel): New macro.
1395 (WITH_PROFILE_CACHE_P): New macro.
1396 (WITH_PROFILE_PARALLEL_P): New macro.
1397 * cache.h (FRV_CACHE): Add last_was_hit field.
1398 * cache.c (get_tag): Use new last_was_hit field.
1399 (frv_cache_read): Ditto.
1400 (frv_cache_write): Ditto.
1401 * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1402
14031999-12-13 Dave Brolley <brolley@cygnus.com>
1404
1405 * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1406 (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1407 sim_queue_fn_di_write.
1408 (frvbf_media_cut_ss): New function.
1409 * frv-sim.h (frvbf_media_cut_ss): New function.
1410 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1411
14121999-12-13 Dave Brolley <brolley@cygnus.com>
1413
1414 * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1415 no constraints.
1416 * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1417 FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1418 (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1419 FRV_IS_MEDIA_INSN.
1420 * frv.c (frvbf_model_simple_u_exec): New function.
1421 * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1422 (FRV_IS_MEDIA_INSN): Range includes M-8.
1423
1424 * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1425 * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1426 Regenerate.
1427
14281999-12-10 Dave Brolley <brolley@cygnus.com>
1429
1430 * traps.c (check_registers_available): New function.
1431 (clear_ne_flags): Generate register_exception if register(s) not
1432 available.
1433 (frvbf_commit): Generate register_exception if register(s) not
1434 available.
1435 * interrupts.c (frv_program_or_software_interrupt): No need to copy
1436 GR4-GR7 to SR0-SR4.
1437 * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1438 PSR.ESR.
1439 (frvbf_h_psr_s_set_handler): New function.
1440 (frvbf_h_psr_esr_set_handler): New function.
1441 (frvbf_switch_supervisor_user_context): New function.
1442 (frvbf_scan_result): Reflect latest ISA.
1443 * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1444 (frvbf_h_psr_esr_set_handler): New function.
1445 (frvbf_switch_supervisor_user_context): New function.
1446 (GET_HSR0_FRN): New Macro.
1447 (GET_HSR0_GRN): New Macro.
1448 (GET_HSR0_FRHE): New Macro.
1449 (GET_HSR0_FRLE): New Macro.
1450 (GET_HSR0_GRHE): New Macro.
1451 (GET_HSR0_GRLE): New Macro.
1452 (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1453 (GET_ESFR): New bit ordering.
1454 (SET_ESFR): New bit ordering.
1455 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1456
14571999-12-10 Michael Meissner <meissner@cygnus.com>
1458
1459 * Makefile.in (sim-if.o): Add eng.h dependency.
1460
14611999-12-09 Dave Brolley <brolley@cygnus.com>
1462
1463 * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1464 Pass sc->last_insn_p to @cpu@_model_insn_before.
1465 (main loop): Compute sc->first_insn_p.
1466 * frv.c (frvbf_model_insn_before): Set state variables.
1467 (frvbf_model_insn_after): Count basic cycles. Set state variables.
1468 (frvbf_model_fr500_u_integer): Remove.
1469 * arch.h,cpu.h,decode.h,model.c: Regenerate.
1470
14711999-12-07 Dave Brolley <brolley@cygnus.com>
1472
1473 * sim-main.h (cache.h): Include it.
1474 (insn_cache): New member.
1475 (data_cache): New member.
1476 (CPU_INSN_CACHE): New macro.
1477 (CPU_DATA_CACHE): New macro.
1478 * sim-if.c (WANT_CPU): New macro.
1479 (WANT_CPU_FRVBF): New macro.
1480 (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1481 data and insn caches for each cpu.
1482 (sim_close): Call frv_cache_term for the insn and data caches of each
1483 cpu.
1484 * mloop.in (extract): Read insn from the cache.
1485 (main loop): Access the insn cache in order to maintain stats.
1486 * memory.c (data_non_cache_access): New function.
1487 (insn_non_cache_access): New function.
1488 (frvbf_read_mem_QI): Attempt to read from the cache first.
1489 (frvbf_read_mem_UQI): Ditto.
1490 (frvbf_read_mem_HI): Ditto.
1491 (frvbf_read_mem_UHI): Ditto.
1492 (frvbf_read_mem_SI): Ditto.
1493 (frvbf_read_mem_DI): Ditto.
1494 (frvbf_read_mem_DF): Ditto.
1495 (frvbf_read_imem_USI): New function.
1496 (frvbf_write_mem_QI): Write through the cache is it is enabled.
1497 (frvbf_write_mem_UQI): Ditto.
1498 (frvbf_write_mem_HI): Ditto.
1499 (frvbf_write_mem_UHI): Ditto.
1500 (frvbf_write_mem_SI): Ditto.
1501 (frvbf_write_mem_DI): Ditto.
1502 (frvbf_write_mem_DF): Ditto.
1503 (frvbf_mem_set_QI): New function.
1504 (frvbf_mem_set_HI): New function.
1505 (frvbf_mem_set_SI): New function.
1506 (frvbf_mem_set_DI): New function.
1507 (frvbf_mem_set_DF): New function.
1508 (frvbf_mem_set_XI): New function.
1509 * interrupts.c (frv_save_data_written_for_interrupts): Handle
1510 CGEN_FN_MEM_QI_WRITE,
1511 CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1512 CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1513 * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1514 Call sim_queue_fn_mem_xi_write.
1515 (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1516 Call sim_queue_fn_mem_xi_write.
1517 (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1518 Call sim_queue_fn_mem_xi_write.
1519 (frvbf_insn_cache_preload): New function.
1520 (frvbf_data_cache_preload): New function.
1521 (frvbf_insn_cache_unlock): New function.
1522 (frvbf_data_cache_unlock): New function.
1523 (frvbf_insn_cache_invalidate): New function.
1524 (frvbf_data_cache_invalidate): New function.
1525 (frvbf_data_cache_flush): New function.
1526 * frv-sim.h (sim-options.h): Include it.
1527 (GET_HSR0): New macro.
1528 (SET_HSR0): New macro.
1529 (GET_HSR0_ICE): New macro.
1530 (SET_HSR0_ICE): New macro.
1531 (GET_HSR0_DCE): New macro.
1532 (SET_HSR0_DCE): New macro.
1533 (GET_HSR0_CBM): New macro.
1534 (GET_HSR0_RME): New macro.
1535 (GET_IHSR8): New macro.
1536 (GET_IHSR8_NBC): New macro.
1537 (frvbf_insn_cache_preload): New function.
1538 (frvbf_data_cache_preload): New function.
1539 (frvbf_insn_cache_unlock): New function.
1540 (frvbf_data_cache_unlock): New function.
1541 (frvbf_insn_cache_invalidate): New function.
1542 (frvbf_data_cache_invalidate): New function.
1543 (frvbf_data_cache_flush): New function.
1544 (insn_non_cache_access): New function.
1545 (frvbf_read_imem_USI): New function.
1546 (frvbf_mem_set_QI): New function.
1547 (frvbf_mem_set_HI): New function.
1548 (frvbf_mem_set_SI): New function.
1549 (frvbf_mem_set_DI): New function.
1550 (frvbf_mem_set_DF): New function.
1551 (frvbf_mem_set_XI): New function.
1552 (frv_options): FRV specific command line options.
1553 * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1554 (SIM_EXTRA_DEPS): Add $(sim-options_h).
1555 (cache.o): New target.
1556 (options.o): New target.
1557 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1558 * cache.h: New file.
1559 * cache.c: New file.
1560 * options.c: New file.
1561
15621999-11-29 Dave Brolley <brolley@cygnus.com>
1563
1564 * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1565 (frvbf_check_non_excepting_divide): Ditto.
1566 (clear_ne_flags): Ditto
1567 (frvbf_commit): Ditto.
1568 * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1569 * mloop.in (_parallel_write_init): Clear NE flags here.
1570 * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1571 for non excepting insns. Also check for masked interrupts here.
1572 (frv_process_interrupts): Write NE flags here.
1573 (set_fp_exception_registers): No longer check for masked interrupts
1574 here.
1575 (check_for_compound_interrupt): No need to worry about masked
1576 interrupts.
1577 * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1578 (GET_NE_FLAGS): New macro.
1579 (SET_NE_FLAGS): New macro.
1580 (GET_NE_FLAG): Operate on accumulated argument.
1581 (SET_NE_FLAG): Operate on accumulated argument.
1582 (CLEAR_NE_FLAG): Operate on accumulated argument.
1583 * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1584 (frv.o): Correct dependencies.
1585 (traps.o): Ditto.
1586 (pipeline.o): Ditto.
1587 (interrupts.o): Ditto.
1588 (memory.o): Ditto.
1589 * sem.c: Regenerate.
1590
15911999-11-26 Dave Brolley <brolley@cygnus.com>
1592
1593 * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1594 there is an exception indicated in the mask.
1595 * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1596 state when adding a floating point insn to the pipeline.
1597 * interrupts.c (set_fp_exception_registers): Set NE flag for
1598 non-excepting insns.
1599 * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1600 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1601 (frvbf_h_fr_int_get_handler): New function.
1602 (frvbf_h_fr_int_set_handler): New function.
1603 (frvbf_set_ne_index): New function.
1604 (NE_NOFLAG): New macro.
1605 (frv_interrupt_state): Add ne_index member.
1606 * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1607 (frvbf_h_fr_double_set_handler): Mode of data is DF.
1608 (frvbf_h_fr_int_get_handler): New function.
1609 (frvbf_h_fr_int_set_handler): New function.
1610 (frvbf_set_ne_index): New function.
1611 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1612
16131999-11-24 Dave Brolley <brolley@cygnus.com>
1614
1615 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1616
16171999-11-23 Dave Brolley <brolley@cygnus.com>
1618
1619 * frv-sim.h (frvbf_media_cut): New function.
1620 * frv.c (frvbf_media_cut): New function.
1621 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1622
16231999-11-22 Dave Brolley <brolley@cygnus.com>
1624
1625 * frv-sim.h (frvbf_clear_all_accumulators): New function.
1626 * frv.c.h (frvbf_clear_all_accumulators): New function.
1627 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1628
16291999-11-18 Dave Brolley <brolley@cygnus.com>
1630
1631 * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1632 if this is the first insn of its class in the pipeline.
1633 * frv-sim.h (frvbf_media_register_not_aligned): New function.
1634 * traps.c (frvbf_media_register_not_aligned): New function.
1635 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1636
16371999-11-17 Dave Brolley <brolley@cygnus.com>
1638
1639 * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1640 * frv-sim.h (OR_MSR_SIE): New macro.
1641 (CLEAR_MSR_SIE): New macro.
1642 (frvbf_media_overflow): Now takes sie argument.
1643 (frv_set_mp_exception_registers): Now takes sie argument.
1644 * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1645 Set MSRx.SIE field.
1646 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1647
16481999-11-15 Dave Brolley <brolley@cygnus.com>
1649
1650 * traps.c (frv_mtrap): New function.
1651 (frvbf_media_cr_not_aligned): New function.
1652 (frvbf_media_acc_not_aligned): New function.
1653 (frvbf_media_overflow): New function.
1654 * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1655 * interrupts.c: Call frv_set_mp_exception_registers.
1656 (frv_set_mp_exception_registers): New function.
1657 * frv-sim.h (frv_msr_mtt): New enumeration.
1658 (GET_MSR): New macro.
1659 (SET_MSR): New macro.
1660 (GET_MSR_AOVF): New macro.
1661 (SET_MSR_AOVF): New macro.
1662 (GET_MSR_OVF): New macro.
1663 (SET_MSR_OVF): New macro.
1664 (CLEAR_MSR_OVF): New macro.
1665 (GET_MSR_MTT): New macro.
1666 (SET_MSR_MTT): New macro.
1667 (frv_set_mp_exception_registers): New function.
1668 (frv_mtrap): New function.
1669 (FRV_IS_MEDIA_INSN): New macro.
1670 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1671
16721999-11-10 Dave Brolley <brolley@cygnus.com>
1673
1674 * sim-main.h (_sim_cpu): Add debug_state member.
1675 * mloop.in (_parallel_write_queued): Clear data_written.length.
1676 * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1677 handler is 0xff.
1678 (frv_queue_break_interrupt): New function.
1679 (frv_break_interrupt): New function.
1680 (handle_interrupt): Handle break_interrupt.
1681 (frv_non_operating_interrupt): Now takes interrupt_kind.
1682 * frv-sim.h (frv_queue_break_interrupt): New function.
1683 (frv_break_interrupt): New function.
1684 (frv_break): New function.
1685 (frv_non_operating_interrupt): Now takes interrupt_kind.
1686 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1687
16881999-11-09 Dave Brolley <brolley@cygnus.com>
1689
1690 * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1691 a floating point insn.
1692 * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1693 * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1694 frv_queue_fp_exception_interrupt.
1695 (frv_queue_fp_exception_interrupt): New function.
1696 (next_available_fq): New function.
1697 (set_fp_exception_registers): New function.
1698 (set_exception_status_registers): Now returns 1 if interrupt not masked.
1699 (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1700 (frv_program_interrupt): Don't process interrupt if it is masked.
1701 * frv.c (frvbf_h_fr_double_get_handler): Call
1702 frv_queue_fp_exception_interrupt.
1703 (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1704 (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1705 (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1706 * frv-sim.h: Get/set hardware directly in GET/SET macros.
1707 (frv_fp_exception_info): New struct type.
1708 (frv_interrupt_queue_element): Add fp_info member.
1709 (frv_fsr_traps): New enumeration.
1710 (frv_fsr_ftt): New enumeration.
1711 (frv_sie): New enumeration.
1712 (frv_miv): New enumeration.
1713 (GET_FSR): New macro.
1714 (SET_FSR): New macro.
1715 (GET_FSR_TEM): New macro.
1716 (SET_FSR_QNE): New macro.
1717 (SET_FSR_FTT): New macro.
1718 (GET_FSR_AEXC): New macro.
1719 (SET_FSR_AEXC): New macro.
1720 (GET_FQ): New macro.
1721 (SET_FQ): New macro.
1722 (SET_FQ_OPC): New macro.
1723 (SET_FQ_MIV): New macro.
1724 (SET_FQ_SIE): New macro.
1725 (SET_FQ_FTT): New macro.
1726 (SET_FQ_CEXC): New macro.
1727 (GET_FQ_VALID): New macro.
1728 (SET_FQ_VALID): New macro.
1729 (frv_queue_fp_exception_interrupt): New function.
1730 (FRV_IS_FLOAT_INSN): New macro.
1731
17321999-11-04 Dave Brolley <brolley@cygnus.com>
1733
1734 * traps.c (frvbf_fpu_error): No floating point errors need to be
1735 detected.
1736 * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1737 of the ESR registers too.
1738 (set_exception_status_registers): Don't set EAR for any precise
1739 interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1740 ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1741 (non_operating_interrupt): No need for return code.
1742 (frv_program_or_software_interrupt): Process interrupt regardless
1743 of operating mode. If PSR.ET was not set at the start of processing,
1744 then stop the simulation with a message.
1745 (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1746 CGEN_MEM_XI_WRITE.
1747 * frv.c (frvbf_h_gr_quad_set_handler): New function.
1748 (frvbf_h_fr_quad_set_handler): New function.
1749 (frvbf_h_cpr_quad_set_handler): New function.
1750 (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1751 sim_queue_fn_xi_write.
1752 (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1753 sim_queue_fn_xi_write.
1754 (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1755 sim_queue_fn_xi_write.
1756 (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1757 sim_queue_mem_xi_write.
1758 (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1759 sim_queue_mem_xi_write.
1760 (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1761 sim_queue_mem_xi_write.
1762 * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1763 (frvbf_h_fr_quad_set_handler): New function.
1764 (frvbf_h_cpr_quad_set_handler): New function.
1765 (SET_ESR_VALID): New macro.
1766 (CLEAR_ESR_VALID): New macro.
1767 (CLEAR_ESR_EAV): New macro.
1768 (CLEAR_ESR_EDV): New macro.
1769 * sem.c: Regenerate.
1770
17711999-11-02 Dave Brolley <brolley@cygnus.com>
1772
1773 * traps.c (frv_core_signal): Call
1774 frv_queue_mem_address_not_aligned_interrupt.
1775 * mloop.in (_parallel_write_queued): Call
1776 frv_save_data_written_for_interrupts.
1777 * frv.c (frvbf_h_gr_double_get_handler): Call
1778 frv_queue_register_exception_interrupt.
1779 (frvbf_h_cpr_double_get_handler): Call
1780 frv_queue_register_exception_interrupt.
1781 (frvbf_h_cpr_double_set_handler): Call
1782 frv_queue_register_exception_interrupt.
1783 (frvbf_load_multiple_GR): Call
1784 frv_queue_register_exception_interrupt.
1785 (frvbf_store_multiple_GR): Call
1786 frv_queue_register_exception_interrupt.
1787 (frvbf_load_multiple_CPR): Call
1788 frv_queue_register_exception_interrupt.
1789 (frvbf_store_multiple_CPR): Call
1790 frv_queue_register_exception_interrupt.
1791 (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1792 * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1793 queue element.
1794 (frv_queue_program_interrupt): Now returns interrupt queue element.
1795 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1796 element.
1797 (frv_queue_interrupt): Now returns interrupt queue element.
1798 (frv_queue_register_exception_interrupt): New function.
1799 (frv_queue_mem_address_not_aligned_interrupt): New function.
1800 (frv_save_data_written_for_interrupts): New function.
1801 (next_available_edr): EDR registers available in blocks of 4.
1802 (clear_exception_status_registers): New function.
1803 (set_exception_status_registers): Pass esr to SET_ESR* macros.
1804
1805 * frv-sim.h (struct frv_data_written): New struct type.
1806 (frv_interrupt_queue_element): Add data_written member.
1807 (frv_queue_software_interrupt): Now returns interrupt queue element.
1808 (frv_queue_program_interrupt): Now returns interrupt queue element.
1809 (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1810 element.
1811 (frv_queue_interrupt): Now returns interrupt queue element.
1812 (frv_queue_register_exception_interrupt): New function.
1813 (frv_queue_mem_address_not_aligned_interrupt): New function.
1814 (frv_save_data_written_for_interrupts): New function.
1815
18161999-10-27 Dave Brolley <brolley@cygnus.com>
1817
1818 * interrupts.c (ITABLE_ENTRY): New macro.
1819 (frv_interrupt_table): Add exception codes.
1820 (next_available_esr): New function.
1821 (next_available_edr): New function.
1822 (set_edr_register): New function.
1823 (set_exception_status_registers): New function.
1824 (check_for_compound_interrupt): Record information on all interrupts
1825 found.
1826 (frv_program_interrupt): Always call check_for_compound_interrupt.
1827 * frv.c (frvbf_h_pc_set_handler): Removed.
1828 (frvbf_h_spr_get_handler): Handle LR register.
1829 (frvbf_h_spr_set_handler): Handle LR register.
1830 (frvbf_h_lr_get_handler): New function.
1831 (frvbf_h_lr_set_handler): New function.
1832 * frv-sim.h (frvbf_h_lr_get_handler): New function.
1833 (frvbf_h_lr_set_handler): New function.
1834 (frv_ec): New enumeration.
1835 (frv_interrupt): Add frv_ec field.
1836 (frv_rec): New enumeration.
1837 (frv_daec): New enumeration.
1838 (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1839 (SET_ESR_EC): New macro.
1840 (SET_ESR_REC): New macro.
1841 (SET_ESR_IAEC): New macro.
1842 (SET_ESR_DAEC): New macro.
1843 (SET_ESR_EAV): New macro.
1844 (GET_ESR_EDV): New macro.
1845 (SET_ESR_EDV): New macro.
1846 (GET_ESR_EDN): New macro.
1847 (SET_ESR_EDN): New macro.
1848 (GET_ESR): New macro.
1849 (SET_ESR): New macro.
1850 (SET_EPCR): New macro.
1851 (SET_EAR): New macro.
1852 (SET_EDR): New macro.
1853 (GET_ESFR): New macro.
1854 (SET_ESFR): New macro.
1855 * cpu.c,cpu.h,sem.c: Rebuild.
1856
18571999-10-26 Dave Brolley <brolley@cygnus.com>
1858
1859 * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1860 if mach is frv.
1861 (clear_nesr_neear): Only execute if mach is frv.
1862
18631999-10-22 Dave Brolley <brolley@cygnus.com>
1864
1865 * sim-main.h (sim_cpu): Add pipeline.
1866 (CPU_PIPELINE): New macro.
1867 * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1868 (main loop): Maintain pc in cpu.
1869 * frv-sim.h (frv_queue_software_interrupt): New interface.
1870 (frv_queue_program_interrupt): New interface.
1871 (frv_queue_illegal_instruction_interrupt: New interface.
1872 (frv_queue_interrupt): New interface.
1873 (frv_detect_insn_access_interrupts): New interface.
1874 (frv_process_interrupts): New interface.
1875 (frv_program_interrupt): New interface.
1876 (frv_software_interrupt): New interface.
1877 (frv_program_or_software_interrupt): New interface.
1878 (FRV_PIPELINE): Moved from pipline.c.
1879 (frv_pipeline_reset): New interface.
1880 (frv_pipeline_add_insn): New interface.
1881 * interrupts.c (frv_queue_software_interrupt): New interface.
1882 (frv_queue_program_interrupt): New interface.
1883 (frv_queue_illegal_instruction_interrupt: New interface.
1884 (frv_queue_interrupt): New interface.
1885 (frv_detect_insn_access_interrupts): New interface.
1886 (frv_process_interrupts): New interface.
1887 (frv_program_interrupt): New interface.
1888 (frv_software_interrupt): New interface.
1889 (frv_program_or_software_interrupt): New interface.
1890 * frv.c: Use new interfaces.
1891 * pipeline.c: Use new interfaces.
1892 * traps.c: Use new interfaces.
1893 * memory.c: Use new interfaces.
1894 (frv_address_forbidden): No longer static.
1895
18961999-10-19 Dave Brolley <brolley@cygnus.com>
1897
1898 * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1899 NESR.EC.
1900 * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1901 * frv.c (frvbf_h_pc_set_handler): New function.
1902 * interrupts.c (frv_detect_data_interrupt): Removed.
1903 (address_forbidden): Removed.
1904 * frv-sim.h (frv_detect_data_interrupt): Removed.
1905 (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
1906 (NESR_REGISTER_NOT_ALIGNED): New macro.
1907 (NESR_UQI_SIZE): New macro.
1908 (NESR_QI_SIZE): New macro.
1909 (NESR_UHI_SIZE): New macro.
1910 (NESR_HI_SIZE): New macro.
1911 (NESR_SI_SIZE): New macro.
1912 (NESR_DI_SIZE): New macro.
1913 (NESR_XI_SIZE): New macro.
1914 (GET_NESR_DAEC): New macro.
1915 (SET_NESR_DAEC): New macro.
1916 (GET_NESR_REC): New macro.
1917 (SET_NESR_REC): New macro.
1918 (GET_NESR_EC): New macro.
1919 (SET_NESR_EC): New macro.
1920 (frvbf_read_mem_QI): New function.
1921 (frvbf_read_mem_UQI): New function.
1922 (frvbf_read_mem_HI): New function.
1923 (frvbf_read_mem_UHI): New function.
1924 (frvbf_read_mem_SI): New function.
1925 (frvbf_read_mem_WI): New function.
1926 (frvbf_read_mem_DI): New function.
1927 (frvbf_read_mem_DF): New function.
1928 (frvbf_write_mem_QI): New function.
1929 (frvbf_write_mem_UQI): New function.
1930 (frvbf_write_mem_HI): New function.
1931 (frvbf_write_mem_UHI): New function.
1932 (frvbf_write_mem_SI): New function.
1933 (frvbf_write_mem_WI): New function.
1934 (frvbf_write_mem_DI): New function.
1935 (frvbf_write_mem_DF): New function.
1936 * Makefile.in (SIM_OBJS): Add memory.o.
1937 * cpu.c,cpu.h,sem.c: Rebuild.
1938
19391999-10-18 Dave Brolley <brolley@cygnus.com>
1940
1941 * sim-if.c (sim_open): Use a real fpu error function.
1942 * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
1943 * mloop.in (_parallel_write_queued): Clear queue after writing.
1944 * interrupts.c (check_for_compound_interrupt): New function.
1945 (non_operating_interrupt): New function.
1946 * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
1947 (frvbf_h_gr_double_set_handler): New function.
1948 (frvbf_h_fr_double_get_handler): New function.
1949 (frvbf_h_fr_double_set_handler): New function.
1950 (frvbf_h_cpr_double_get_handler): New function.
1951 (frvbf_h_cpr_double_set_handler): New function.
1952 (frv_interrupt_queue_element): New struct type.
1953 (frv_queue_program_interrupt): Now takes pc.
1954 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1955 (frv_queue_interrupt): Now takes pc.
1956 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1957 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1958 (frvbf_division_exception): New function.
1959 (frvbf_fpu_error): New function.
1960 (frvbf_load_multiple_GR): New function.
1961 (frvbf_load_multiple_FR): New function.
1962 (frvbf_load_multiple_CPR): New function.
1963 * frv.c (frvbf_h_gr_double_get_handler): New function.
1964 (frvbf_h_gr_double_set_handler): New function.
1965 (frvbf_h_fr_double_get_handler): New function.
1966 (frvbf_h_fr_double_set_handler): New function.
1967 (frvbf_h_cpr_double_get_handler): New function.
1968 (frvbf_h_cpr_double_set_handler): New function.
1969 (frv_interrupt_queue_element): New struct type.
1970 (frv_queue_program_interrupt): Now takes pc.
1971 (frv_queue_illegal_instruction_interrupt): Now takes pc.
1972 (frv_queue_interrupt): Now takes pc.
1973 (frv_program_interrupt): Now takes frv_interrupt_queue_element.
1974 (frv_software_interrupt): Now takes frv_interrupt_queue_element.
1975 (frvbf_fpu_error): New function.
1976 (frvbf_load_multiple_GR): New function.
1977 (frvbf_load_multiple_FR): New function.
1978 (frvbf_load_multiple_CPR): New function.
1979 * traps.c (frvbf_division_exception): New function.
1980 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
1981
19821999-10-12 Dave Brolley <brolley@cygnus.com>
1983
1984 * mloop.in (new_vpc): New variable.
1985 (main loop): Call frv_detect_insn_access_interrupts. Call
1986 frv_detect_data_interrupts.
1987 * interrupts.c (access_queued_to): New function.
1988 (frv_detect_data_interrupts): New function.
1989 (frv_detect_insn_access_interrupts): New function.
1990 (frv_program_or_software_interrupt): Set PSR.S.
1991 * frv-sim.h (frv_detect_data_interrupts): New function.
1992 (frv_detect_insn_interrupts): New function.
1993
19941999-10-07 Dave Brolley <brolley@cygnus.com>
1995
1996 * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
1997 (frvbf_h_gr_hi_set_handler): New function.
1998 (frvbf_h_gr_lo_get_handler): New function.
1999 (frvbf_h_gr_lo.set_handler): New function.
2000 * frv.c (frvbf_h_gr_hi_get_handler): New function.
2001 (frvbf_h_gr_hi_set_handler): New function.
2002 (frvbf_h_gr_lo_get_handler): New function.
2003 (frvbf_h_gr_lo.set_handler): New function.
2004 (frvbf_model_fr500_u_integer): New function.
2005 * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2006
20071999-10-04 Dave Brolley <brolley@cygnus.com>
2008
2009 * traps.c: Use sim_engine_abort.
2010 * pipeline.c (frv_pipeline): Add field for insn major.
2011 (add_next_to_pipe): Return address of matching pipeline.
2012 (find_major_in_pipeline): New function.
2013 (check_insn_major_constraints: New function.
2014 (frv_pipeline_add_insn): Add checks for insn major constraints.
2015 * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2016 * frv.c (frvbf_h_spr_get_handler): No need to abort.
2017
2018Thu Sep 30 18:10:25 1999 Dave Brolley <brolley@cygnus.com>
2019
2020 * pipeline.c: New file.
2021 * mloop.in (main loop): Call frv_pipeline_reset.
2022 Call frv_pipeline_add_insn.
2023 * frv-sim.h (frv_pipeline_reset): New function.
2024 (frv_pipeline_add_insn): New function.
2025 * Makefile.in (SIM_OBJS): Add pipeline.o
2026
20271999-09-29 Doug Evans <devans@casey.cygnus.com>
2028
2029 * sem.c: Rebuild.
2030 * traps.c (sim_engine_invalid_insn): New arg `vpc'. Change type of
2031 result to SEM_PC. Return vpc.
2032
2033Wed Sep 29 16:01:52 1999 Dave Brolley <brolley@cygnus.com>
2034
2035 * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2036 (frv_queue_interrupt): Don't detect identical interrupts here.
2037
2038Wed Sep 29 14:49:52 1999 Dave Brolley <brolley@cygnus.com>
2039
2040 * interrupts.c: New file.
2041 * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2042 (frv_software_interrupt): Moved to interrupts.c.
2043 (frv_itrap): New interface. Call frv_queue_software_interrupt.
2044 * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2045 (@cpu@_perform_writeback): New function.
2046 (main loop): Call frv_process_interrupts.
2047 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2048 (frv_itrap): New interface.
2049 (frv_interrupt_class): New enumeration.
2050 (frv_interrupt_kind): New enumeration.
2051 (struct frv_interrupt): New struct type.
2052 (frv_interrupt_table): New table of interrupt information.
2053 (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2054 (struct frv_interrupt_state): New struct type.
2055 (frv_interrupt_state): New global variable.
2056 (previous_vliw_pc): New global variable.
2057 (frv_queue_software_interrupt): New function.
2058 (frv_queue_program_interrupt): New function.
2059 (frv_queue_interrupt): New function.
2060 (frv_process_interrupts): New function.
2061 (frv_program_interrupt): New function.
2062 (frv_software_interrupt): New function.
2063 (frv_program_or_software_interrupt): New function.
2064 (frv_clear_interrupt_classes): New function.
2065 * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2066 * Makefile.in (SIM_OBJS): Add interrupts.o
2067 * sem.c: Rebuild.
2068
20691999-09-25 Doug Evans <devans@casey.cygnus.com>
2070
2071 * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2072
2073Tue Sep 21 17:16:47 1999 Dave Brolley <brolley@cygnus.com>
2074
2075 * mloop.in (main loop): Determine last insn from scache entry.
2076 * cpu.h: Rebuild.
2077 * cpuall.h: Rebuild.
2078
2079Tue Sep 14 14:21:31 1999 Dave Brolley <brolley@cygnus.com>
2080
2081 * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2082 (NECR_ELOS): Define as unshifted value.
2083 (NECR_NEN): Define as unshifted value.
2084 (NECR_VALID): Define as unshifted value.
2085 (SET_NESR): Rewite to use post-write queue.
2086 (SET_NESR_VALID): Rewite to operate on argument.
2087 (SET_NESR_EAV): Rewite to operate on argument.
2088 (SET_NESR_FR): Rewite to operate on argument.
2089 (CLEAR_NESR_FR): Rewite to operate on argument.
2090 (SET_NESR_DRN): Rewite to operate on argument.
2091 (SET_NESR_SIZE): Rewite to operate on argument.
2092 (SET_NESR_NEAN): Rewite to operate on argument.
2093 (SET_NEEAR): Rewite to use post-write queue.
2094 (SET_NE_FLAG): Rewite to use post-write queue.
2095 (CLEAR_NE_FLAG): Rewite to use post-write queue.
2096 * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2097 (frv_rett): Rewite to use post-write queue.
2098 (next_available_nesr): Rewrite to use new macro interfaces.
2099 (next_valid_nesr): Ditto.
2100 (frvbf_check_non_excepting_load): Ditto.
2101 (frvbf_check_recovering_store): Ditto.
2102 (clear_nesr_neear): Ditto.
2103 (clear_ne_flags): Ditto.
2104 * mloop.in (main loop): Update PCSR with address of next VLIW insn
2105 when flag is set.
2106 * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2107 (frvbf_store_multiple_GR): Rewite to use post-write queue.
2108 (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2109 (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2110 * Makefile.in (frv.o): Depend on cgen-par.h.
2111
2112Fri Sep 10 17:03:15 1999 Dave Brolley <brolley@cygnus.com>
2113
2114 * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2115 (frvbf_write_next_vliw_addr_to_LR): New flag.
2116 * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2117 * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2118 address of the next VLIW insn if flag is set.
2119 * cpu.h,decode.c,sem.c: Rebuild.
2120
2121Tue Sep 7 13:44:23 1999 Dave Brolley <brolley@cygnus.com>
2122
2123 * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2124 * sem.c: Rebuild.
2125
21261999-09-02 Doug Evans <devans@casey.cygnus.com>
2127
2128 * configure: Regenerated to track ../common/aclocal.m4 changes.
2129
21301999-09-01 Doug Evans <devans@casey.cygnus.com>
2131
2132 * decode.c: Rebuild.
2133
2134Mon Aug 30 17:54:57 1999 Dave Brolley <brolley@cygnus.com>
2135
2136 * traps.c (frv_rett): New function.
2137 * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2138 (frvbf_h_spr_set_handler): Handle bpsr.
2139 (frvbf_h_bpsr_get_handler): New function.
2140 (frvbf_h_bpsr_set_handler): New function.
2141 * frv-sim.h (frv_rett): New function.
2142 (frvbf_h_bpsr_get_handler): New function.
2143 (frvbf_h_bpsr_set_handler): New function.
2144 * mloop.in: Read actual packing bit.
2145 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2146
2147Tue Aug 31 16:04:37 1999 Dave Brolley <brolley@cygnus.com>
2148
2149 * traps.c (WANT_CPU): New macro.
2150 (WANT_CPU_FRVBF): New macro.
2151 (frvbf_check_recovering_store): Use registers for source and queue
2152 writes.
2153 * mloop.in: New main loop for parallel support.
2154 (@cpu@_parallel_write_init): New function.
2155 (@cpu@_parallel_write_queued): New function.
2156 * frv-sim.h (set_icc_for_shift_left): New interface.
2157 (set_icc_for_shift_right): New interface.
2158 (frvbf_check_recovering_store): New interface.
2159 * frv.c (set_icc_for_shift_left): Pass and return icc value.
2160 (set_icc_for_shift_right): Pass and return icc value.
2161 (frvbf_check_recovering_store): New interface.
2162 * Makefile.in (FRV_OBJS): Add cgen-par.o.
2163 (stamp-mloop): Add cgen parallel options.
2164 (stamp-arch): Remove with-profile option.
2165 (stamp-cpu): Add cgen parallel options.
2166 * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2167
21681999-08-28 Doug Evans <devans@casey.cygnus.com>
2169
2170 * cpu.h,decode.c,sem.c: Rebuild.
2171
2172Wed Aug 25 12:25:04 1999 Dave Brolley <brolley@cygnus.com>
2173
2174 * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2175
2176Thu Aug 19 17:59:00 1999 Dave Brolley <brolley@cygnus.com>
2177
2178 * configure.in: fr500 now the default model.
2179 * configure: Regenerate.
2180 * frv.c: Change frv-1 to frv-gen.
2181 (frvbf_model_fr500_u_exec): New function.
2182 * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2183 * mloop.in: Fix typos in comments.
2184 * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2185
21861999-08-17 Dave Brolley <brolley@cygnus.com>
2187
2188 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2189
21901999-08-09 Doug Evans <devans@casey.cygnus.com>
2191
2192 * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2193
21941999-08-04 Doug Evans <devans@casey.cygnus.com>
2195
2196 * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2197
2198Fri Jul 16 14:50:15 1999 Dave Brolley <brolley@cygnus.com>
2199
2200 * frv.c (frvbf_fetch_register): Use GDB register number macros.
2201 (frvbf_store_register): Use GDB register number macros.
2202 (frvbf_cut): New function.
2203 * frv-sim.h (GR_REGNUM_MAX): New macro.
2204 (FR_REGNUM_MAX): New macro.
2205 (PC_REGNUM): New macro.
2206 (LR_REGNUM): New macro.
2207 (frvbf_cut): New function.
2208 * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2209
22101999-07-15 Stan Shebs <shebs@andros.cygnus.com>
2211
2212 * frv.c (frvbf_fetch_register): Add ability to get LR register,
2213 add default for unhandled registers.
2214 (frvbf_store_register): Add ability to set LR register.
2215
22161999-07-14 Stan Shebs <shebs@andros.cygnus.com>
2217
2218 * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2219 (decode_gdb_dr_regnum): Remove, not used.
2220
22211999-07-13 Michael Meissner <meissner@cygnus.com>
2222
2223 * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2224
2225 * configure.in (--enable-sim-trapdump): New switch to make unknown
2226 traps dump the register contents, instead of doing the trap thing.
2227 * configure: Regenerate.
2228
2229 * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2230 (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2231 temporarily.
2232
2233 * traps.h (toplevel): Include bfd.h, libiberity.h.
2234 (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2235 dumping the registers.
2236
2237Thu Jul 8 10:57:39 1999 Dave Brolley <brolley@cygnus.com>
2238
2239 * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2240
2241Wed Jul 7 17:01:12 1999 Dave Brolley <brolley@cygnus.com>
2242
2243 * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2244
2245Tue Jul 6 16:12:18 1999 Dave Brolley <brolley@cygnus.com>
2246
2247 * frv.c (frvbf_square_root_SF): Removed.
2248 (frvbf_square_root_DF): Removed.
2249 (frvbf_h_fr_double_get_handler): Removed.
2250 (frvbf_h_fr_double_set_handler): Removed.
2251 (frvbf_h_fr_int_get_handler): Removed.
2252 (frvbf_h_fr_int_set_handler): Removed.
2253 * frv-sim.h (frvbf_square_root_SF): Removed.
2254 (frvbf_square_root_DF): Removed.
2255 (frvbf_h_fr_double_get_handler): Removed.
2256 (frvbf_h_fr_double_set_handler): Removed.
2257 (frvbf_h_fr_int_get_handler): Removed.
2258 (frvbf_h_fr_int_set_handler): Removed.
2259 * decode.c,decode.h,model.c,sem.c: Rebuild.
2260
22611999-07-05 Doug Evans <devans@casey.cygnus.com>
2262
2263 * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2264 * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2265 * sim-if.c (sim_open): Initialize fpu.
2266 * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2267 * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2268 with frvbf_h_fr_get.
2269
2270Wed Jun 30 15:56:56 1999 Dave Brolley <brolley@cygnus.com>
2271
2272 * frv-sim.h (NESR_RANGE): New macro.
2273 (NO_NESR): New macro.
2274 (GET_NESR_VALID): New macro.
2275 (next_ne_index): Removed.
2276 * traps.c (next_available_nesr): New function.
2277 (next_valid_nesr): New function.
2278 (frvbf_check_non_excepting_load): Use next_available_nesr.
2279 (frvbf_check_recovering_store): Use next_available_nesr and
2280 next_valid_nesr.
2281 (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2282 (frvbf_check_recovering_store): Only consider one matching register.
2283 * sem.c: Rebuild.
2284
2285Tue Jun 29 16:54:32 1999 Dave Brolley <brolley@cygnus.com>
2286
2287 * frv.c (frvbf_square_root_SF): New function.
2288 (frvbf_square_root_DF): New function.
2289 (frvbf_h_fr_double_get_handler): New function.
2290 (frvbf_h_fr_double_set_handler): New function.
2291 * frv-sim.h (frvbf_square_root_SF): New function.
2292 (frvbf_square_root_DF): New function.
2293 (frvbf_h_fr_double_get_handler): New function.
2294 (frvbf_h_fr_double_set_handler): New function.
2295 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2296
22971999-06-28 Dave Brolley <brolley@cygnus.com>
2298
2299 * decode.c,decode.h,model.c,sem.c: Regenerate.
2300
2301Thu Jun 24 17:26:32 1999 Dave Brolley <brolley@cygnus.com>
2302
2303 * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2304 * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2305 (frvbf_h_fr_int_set_handler): New function.
2306 (frvbf_store_multiple_FRint): New function.
2307 (frvbf_square_root_SF): New function.
2308 * frv.c (frvbf_h_fr_int_get_handler): New function.
2309 (frvbf_h_fr_int_set_handler): New function.
2310 (frvbf_store_multiple_FRint): New function.
2311 (frvbf_square_root_SF): New function.
2312 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2313
23141999-06-23 Doug Evans <devans@casey.cygnus.com>
2315
2316 * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2317 to genmloop.sh. Pass -scache instead.
2318 (mloop.o): Delete sem-switch.c dependency.
2319 (sem-switch.c): Delete rule.
2320 (stamp-cpu): Don't build sem-switch.c.
2321 * sem-switch.c: Delete.
2322 * mloop.in (xfull-exec-*): Fix call to execute.
2323 * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2324
2325 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2326
2327Tue Jun 22 16:23:57 1999 Dave Brolley <brolley@cygnus.com>
2328
2329 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2330
2331Mon Jun 21 17:34:10 1999 Dave Brolley <brolley@cygnus.com>
2332
2333 * mloop.in (execute): Force gr0 to zero before each insn.
2334 * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2335
23361999-06-18 Doug Evans <devans@casey.cygnus.com>
2337
2338 * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2339
2340Fri Jun 18 17:49:23 1999 Dave Brolley <brolley@cygnus.com>
2341
2342 * frv.c (frvbf_h_gr_get_handler): New function.
2343 (frvbf_h_gr_set_handler): New function:
2344 (frvbf_store-multiple_GR): New function:
2345 (frvbf_store-multiple_FR): New function:
2346 (frvbf_store-multiple_CPR): New function:
2347 * frv-sim.h (frvbf_h_gr_get_handler): New function.
2348 (frvbf_h_gr_set_handler): New function:
2349 (frvbf_store-multiple_GR): New function:
2350 (frvbf_store-multiple_FR): New function:
2351 (frvbf_store-multiple_CPR): New function:
2352 * traps.c (frv_itrap): Implement proper syscalls interface.
2353 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2354
2355Fri Jun 18 14:36:23 1999 Dave Brolley <brolley@cygnus.com>
2356
2357 * traps.c (frvbf_check_non_excepting_divide): New function.
2358 (frvbf_check_recovering_store): New function.
2359 (clear_nesr_neear): New function.
2360 (clear_ne_flags): New function.
2361 (frvbf_commit): New function.
2362
2363 * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2364 (frvbf_check_recovering_store): New function.
2365 (clear_nesr_neear): New function.
2366 (clear_ne_flags): New function.
2367 (frvbf_commit): New function.
2368 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2369
23701999-06-16 Dave Brolley <brolley@cygnus.com>
2371
2372 * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2373 (frvbf_h_spr_set_handler): Handle SPR_NECR.
2374 * traps.c (next_ne_index): New variable.
2375 (frvbf_check_non_excepting_load): New function.
2376 * frv-sim.h (NECR_ELOS): New macro.
2377 (NECR_NEN): New macro.
2378 (NECR_VALID): New macro.
2379 (SET_NESR_VALID): New macro.
2380 (SET_NESR_EAV): New macro.
2381 (SET_NESR_FR): New macro.
2382 (CLEAR_NESR_FR): New macro.
2383 (SET_NESR_DRN): New macro.
2384 (SET_NESR_SIZE): New macro.
2385 (SET_NESR_NEAN): New macro.
2386 (SET_NEEAR): New macro.
2387 (GET_NE_FLAG): New macro.
2388 (SET_NE_FLAG): New macro.
2389 (CLEAR_NE_FLAG): New macro.
2390 (frvbf_check_non_excepting_load): New function:
2391 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2392
2393Wed Jun 9 18:12:49 1999 Dave Brolley <brolley@cygnus.com>
2394
2395 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2396
2397Tue Jun 8 18:13:51 1999 Dave Brolley <brolley@cygnus.com>
2398
2399 * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2400 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2401
2402Mon Jun 7 17:09:15 1999 Dave Brolley <brolley@cygnus.com>
2403
2404 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2405
24061999-06-07 Dave Brolley <brolley@cygnus.com>
2407
2408 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2409
2410Thu Jun 3 17:33:31 1999 Dave Brolley <brolley@cygnus.com>
2411
2412 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2413
2414Wed Jun 2 17:50:21 1999 Dave Brolley <brolley@cygnus.com>
2415
2416 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2417
2418Tue Jun 1 17:58:53 1999 Dave Brolley <brolley@cygnus.com>
2419
2420 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2421
2422Mon May 31 17:57:25 1999 Dave Brolley <brolley@cygnus.com>
2423
2424 * traps.c (frv_software_interrupt): Pass current_cpu to
2425 frvbf_h_psr_esr_get.
2426 (frv_software_interrupt): Calculate the new PC based on TBR.
2427 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2428
24291999-05-31 Dave Brolley <brolley@cygnus.com>
2430
2431 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2432
2433Thu May 27 17:42:00 1999 Dave Brolley <brolley@cygnus.com>
2434
2435 * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2436 (frvbf_h_cccr_set_handler): New function.
2437 (frvbf_scan_result): New function.
2438 (frvbf_cr_logic): New function.
2439 * frv.c (frvbf_h_cccr_get_handler): New function.
2440 (frvbf_h_cccr_set_handler): New function.
2441 (frvbf_scan_result): New function.
2442 (frvbf_cr_logic): New function.
2443 (cr_ops,cr_result,cr_logic): New table.
2444 * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2445
24461999-05-25 Dave Brolley <brolley@cygnus.com>
2447
2448 * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2449 (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2450 (frv_psr_get_handler): New function.
2451 (frv_psr_set_handler): New function.
2452 (frv_tbr_get_handler): New function.
2453 (frv_tbr_set_handler): New function.
2454 (frvbf_h_ccr_get_handler): Add support for fCC.
2455 (frvbf_h_ccr_set_handler): Add support for fCC.
2456 * frv-sim.h (frv_psr_get_handler): New function.
2457 (frv_psr_set_handler): New function.
2458 (frv_tbr_get_handler): New function.
2459 (frv_tbr_set_handler): New function.
2460 * traps.c (frv_software_interrupt): Implement.
2461 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2462
2463Thu May 20 16:39:27 1999 Dave Brolley <brolley@cygnus.com>
2464
2465 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2466
24671999-05-18 Dave Brolley <brolley@cygnus.com>
2468
2469 * frv.c: (frvbf_set_icc_for_shift_left): New function.
2470 (frvbf_set_icc_for_shift_right): New function.
2471 * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2472 (frvbf_set_icc_for_shift_right): New function.
2473 (SETMEMSF): New Macro.
2474 (SETMEMDF): New Macro.
2475 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2476
2477Thu May 13 17:14:49 1999 Dave Brolley <brolley@cygnus.com>
2478
2479 * frv.c (frvbf_h_ccr_get_handler): New function.
2480 (frvbf_h_ccr_set_handler): New function.
2481 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2482
2483Tue May 11 16:13:15 1999 Dave Brolley <brolley@cygnus.com>
2484
2485 * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2486 frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2487 * frv.c: Likewise.
2488 * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2489
24901999-05-10 Dave Brolley <brolley@cygnus.com>
2491
2492 * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2493
2494Thu May 6 16:48:21 1999 Dave Brolley <brolley@cygnus.com>
2495
2496 * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2497 * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2498
2499Wed May 5 11:52:24 1999 Dave Brolley <brolley@cygnus.com>
2500
2501 * traps.c (frv_software_interrupt): New function.
2502 (frv_itrap): New function.
2503 * frv-sim.h (TRAP_SYSCALL): define as 0.
2504 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2505
2506Mon May 3 13:49:21 1999 Dave Brolley <brolley@cygnus.com>
2507
2508 * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2509
2510Thu Apr 29 17:37:06 1999 Dave Brolley <brolley@cygnus.com>
2511
2512 * Directory created.
GDB Binutils - Deliverables
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