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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [sim/] [frv/] [ChangeLog] - Blame information for rev 26

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Line No. Rev Author Line
1 26 jlechner 
2006-12-21  Hans-Peter Nilsson
2 
 
3 
        * config.in: Regenerate.
4 
 
5 
2006-06-13  Richard Earnshaw
6 
 
7 
        * configure: Regenerated.
8 
 
9 
2006-06-05  Daniel Jacobowitz
10 
 
11 
        * configure: Regenerated.
12 
 
13 
2006-05-31  Daniel Jacobowitz
14 
 
15 
        * configure: Regenerated.
16 
 
17 
2005-10-28  Dave Brolley
18 
 
19 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
20 
 
21 
        Contribute the following changes:
22 
        2003-09-29  Dave Brolley
23 
 
24 
        * frv-sim.h: Use CGEN_ATTR_VALUE_ENUM_TYPE in place of
25 
        CGEN_ATTR_VALUE_TYPE.
26 
        * mloop.in: Ditto.
27 
        * pipeline.c: Ditto.
28 
        * traps.c: Ditto.
29 
 
30 
2005-03-23  Mark Kettenis
31 
 
32 
        * configure: Regenerate.
33 
 
34 
2005-01-14  Andrew Cagney
35 
 
36 
        * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
37 
        explicit call to AC_CONFIG_HEADER.
38 
        * configure: Regenerate.
39 
 
40 
2005-01-12  Andrew Cagney
41 
 
42 
        * configure.ac: Update to use ../common/common.m4.
43 
        * configure: Re-generate.
44 
 
45 
2005-01-11  Andrew Cagney
46 
 
47 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
48 
 
49 
2005-01-07  Andrew Cagney
50 
 
51 
        * configure.ac: Rename configure.in, require autoconf 2.59.
52 
        * configure: Re-generate.
53 
 
54 
2004-12-08  Hans-Peter Nilsson
55 
 
56 
        * configure: Regenerate for ../common/aclocal.m4 update.
57 
 
58 
2004-08-27  Richard Sandiford
59 
 
60 
        * cpu.[ch], arch.[ch], decode.[ch]: Regenerated.
61 
        * cpuall.h, model.c, sem.c: Regenerated.
62 
 
63 
2004-03-01  Richard Sandiford
64 
 
65 
        * Makefile.in (SIM_OBJS): Add profile-fr450.o.
66 
        (profile-fr450.o): New dependency.
67 
        (stamp-cpu): Add fr450 to the list of machs.
68 
        * sim-frv.h (SPR_IS_ACC): New macro.
69 
        (H_SPR_ACC4, H_SPR_ACC63, H_SPR_ACCG4, H_SPR_ACCG63): Delete.
70 
        * cache.c (frv_cache_init, non_cache_access): Handle bfd_mach_fr450.
71 
        * frv.c (check_register_alignment, check_fr_register_alignment)
72 
        (check_memory_alignment, do_media_average): Likewise.
73 
        (frvbf_clear_accumulators): Likewise.  Use a mask of valid registers
74 
        rather than a consecutive range.
75 
        * interrupts.c (frv_queue_illegal_instruction_interrupt)
76 
        (frv_queue_non_implemented_instruction_interrupt): Handle
77 
        bfd_mach_fr450.
78 
        * memory.c (check_data_read_address, check_readwrite_address)
79 
        (check_insn_read_address, check_write_address): Likewise.
80 
        * mloop.in (@cpu@_simulate_insn_prefetch): Likewise.
81 
        * profile.c (reset_gr_flags, reset_fr_flags, reset_acc_flags)
82 
        (frvbf_model_insn_before, frvbf_model_insn_after): Likewise.
83 
        * profile-fr450.c: New file.
84 
        * registers.c (fr450_spr): New array.
85 
        (frv_register_control_init): Check its size.  Use it for fr450.
86 
        (frv_check_register_access): Handle bfd_mach_fr450.
87 
        (frv_check_spr_read_access): Likewise. Generalize accumulator check.
88 
        * traps.c (frv_core_signal, frvbf_media_cr_not_aligned): Likewise.
89 
        (frvbf_media_acc_not_aligned): Likewise.
90 
        (frvbf_media_register_not_aligned): Likewise.
91 
        * arch.c: Regenerate.
92 
        * arch.h: Regenerate.
93 
        * cpu.h: Regenerate.
94 
        * cpuall.h: Regenerate.
95 
        * decode.h: Regenerate.
96 
        * model.c: Regenerate.
97 
 
98 
2004-03-01  Richard Sandiford
99 
 
100 
        * cache.c (frv_cache_init): Change fr400 cache statistics to match
101 
        the fr405.
102 
        (non_cache_access): Add missing breaks.
103 
        * interrupts.c (set_exception_status_registers): Always set EAR15
104 
        for data_access_errors.
105 
        * memory.c (fr400_check_write_address): Remove redundant alignment
106 
        check.
107 
        * model.c: Regenerate.
108 
 
109 
2004-03-01  Richard Sandiford
110 
 
111 
        * frv.c (frvbf_iacc_cut): Rework, taking rounding into account.
112 
 
113 
2004-03-01  Richard Sandiford
114 
 
115 
        * decode.c, decode.h, model.c, sem.c: Regenerate.
116 
 
117 
2003-11-24  Kevin Buettner
118 
 
119 
        * frv-sim.h (GR_REGNUM_MAX, FR_REGNUM_MAX, PC_REGNUM, SPR_REGNUM_MIN)
120 
        (SPR_REGNUM_MAX): Delete.
121 
        * frv.c (gdb/sim-frv.h): Include.
122 
        (frvbf_fetch_register, frvbf_store_register): Use register number
123 
        constants from gdb/sim-frv.h.  Check availability of general
124 
        purpose and float registers.
125 
 
126 
2003-11-03  Dave Brolley
127 
 
128 
        * cache.c (address_interference): Check for higher priority requests
129 
        in the same pipeline.
130 
 
131 
2003-10-31  Dave Brolley
132 
 
133 
        * frv-sim.h (LR_REGNUM): Removed.
134 
        (SPR_REGNUM_MIN,SPR_REGNUM_MAX): New macros.
135 
        * frv.c (frvbf_fetch_register): Fetch SPR registers based on
136 
        SPR_REGNUM_MIN and SPR_REGNUM_MAX. Check whether SPRs are implemented.
137 
        Return 0 for an unimplemented register. Return the length of the data
138 
        for an implemented register.
139 
        (frvbf_store_register): Ditto.
140 
 
141 
2003-10-30  Andrew Cagney
142 
 
143 
        * traps.c: Replace "struct symbol_cache_entry" with "struct
144 
        bfd_symbol".
145 
 
146 
2003-10-10  Dave Brolley
147 
 
148 
        * cpu.h, sem.c: Regenerate.
149 
 
150 
2003-10-06  Dave Brolley
151 
 
152 
        * profile-fr550.[ch]: New files.
153 
        * configure.in: Move frv handling to alphabetically correct placement.
154 
        * Makefile.in: Add fr550 support.
155 
        * frv-sim.h,frv.c,interrups.c,memory.c,mloop.in,pipeline.c,
156 
        profile.[ch],registers.c,traps.c: Add fr550 support.
157 
        * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
158 
        Regenerate.
159 
 
160 
2003-09-25  Dave Brolley
161 
 
162 
        * reset.c (frv_initialize): Call frv_register_control_init first.
163 
 
164 
2003-09-24  Dave Brolley
165 
 
166 
        * profile.h (update_FR_ptime): New prototype.
167 
        (update_FRdouble_ptime): Ditto.
168 
        (update_SPR_ptime): Ditto.
169 
        (increase_ACC_busy): Ditto.
170 
        (enforce_full_acc_latency): Ditto.
171 
        (post_wait_for_SPR): Ditto.
172 
        * profile.c (update_FR_ptime): Moved here from profile-fr500.c.
173 
        (update_FRdouble_ptime): Ditto.
174 
        (update_SPR_ptime): New function.
175 
        (increase_ACC_busy): Ditto.
176 
        (enforce_full_acc_latency): Ditto.
177 
        (vliw_wait_for_fdiv_resource): Correct resource name.
178 
        (vliw_wait_for_fsqrt_resource): Ditto.
179 
        (post_wait_for_SPR): New function.
180 
        * profile-fr500.c (frvbf_model_fr500_u_commit): New function.
181 
        (frvbf_model_fr500_u_gr2fr): Pass out_FRk as output register to
182 
        adjust_float_register_busy.
183 
        (frvbf_model_fr500_u_gr_load): Record latency of SPR registers.
184 
        (frvbf_model_fr500_u_fr_load): Wait for and record latency of SPR
185 
        registers.
186 
        (frvbf_model_fr500_u_float_arith): Ditto.
187 
        (frvbf_model_fr500_u_float_dual_arith): Ditto.
188 
        (frvbf_model_fr500_u_float_div): Ditto.
189 
        (frvbf_model_fr500_u_float_sqrt): Ditto.
190 
        (frvbf_model_fr500_u_float_convert): Ditto.
191 
        (update_FR_ptime): Moved to profile.c
192 
        (update_FRdouble_ptime): Moved to profile.c
193 
        * profile-fr400.c (update_FR_ptime): Removed. Identical to functions
194 
        for other machines.
195 
        (update_FRdouble_ptime): Ditto.
196 
        * arch.h,cpu.h,sem.c,decode.[ch],model.c,sem.c: Regenerated.
197 
 
198 
2003-09-12  Dave Brolley
199 
 
200 
        * registers.c (frv_check_spr_read_access): Check for access to
201 
        ACC4-ACC63 and ACCG4-ACCG63.
202 
        * profile.h (frv-desc.h): #include it.
203 
        (spr_busy): New member of FRV_PROFILE_STATE.
204 
        (spr_latency): Ditto.
205 
        (GNER_FOR_GR): New macro.
206 
        (FNER_FOR_FR): New maccro.
207 
        (update_SPR_latency): New function.
208 
        (vliw_wait_for_SPR): New function.
209 
        * profile.c (update_latencies): Update SPR latencies.
210 
        (update_target_latencies): Ditto.
211 
        (update_SPR_latency): New function.
212 
        (vliw_wait_for_SPR): New function.
213 
        * profile-fr500.c (frvbf_model_fr500_u_idiv): Record GNER latency.
214 
        (frvbf_model_fr500_u_trap): Removed unused variable, ps.
215 
        (frvbf_model_fr500_u_check): Ditto.
216 
        (frvbf_model_fr500_u_clrgr): New unit modeller for fr500.
217 
        (frvbf_model_fr500_u_clrfr): Ditto.
218 
        (frvbf_model_fr500_u_spr2gr): Wait for SPR.
219 
        (frvbf_model_fr500_u_gr2spr): Ditto.
220 
        * frv-sim.h (H_SPR_ACC4): New macro.
221 
        (H_SPR_ACCG4): New macro;
222 
        (H_SPR_ACC0): Removed.
223 
        (H_SPR_ACCG0): Removed.
224 
        * arch.h,model.c,sem[ch],decode.[ch]: Regenerated.
225 
 
226 
2003-09-10  Dave Brolley
227 
 
228 
        * profile.c (slot_names): FM1 was listed twice. Changed first
229 
        instance to FM0. Added IALL, FMALL and FMLOW.
230 
        (print_parallel): Don't examine slots with no insns.
231 
 
232 
2003-09-09  Dave Brolley
233 
 
234 
        * frv.c (do_media_average): Select machine using a switch.
235 
 
236 
2003-09-08  Dave Brolley
237 
 
238 
        On behalf of Doug Evans
239 
        * Makefile.in (stamp-arch,stamp-cpu): Pass archfile to cgen.
240 
        Remove copying of .cpu file to cgen/cpu, no longer needed.
241 
 
242 
2003-09-03  Dave Brolley
243 
 
244 
        * cpu.h, model.c, sem.c, decode.h, decode.c: Regenerated.
245 
 
246 
2003-08-29  Dave Brolley
247 
 
248 
        * Makefile.in (stamp-arch): Copy frv.cpu from $(srcdir)../../cpu
249 
        temporarily when regenerating files.
250 
        (stamp-cpu): Ditto.
251 
 
252 
2003-08-20  Micheal Snyder
253 
 
254 
        * All generated files: Regenerate.
255 
 
256 
2001-10-11  Dave Brolley
257 
 
258 
        * cpu.h,decode.c,decode.h,sem.c: Regenerate.
259 
 
260 
2001-10-09  Dave Brolley
261 
 
262 
        * traps.c (frv_rett): Halt if PSR.S and PSR.ET are both set or both
263 
        not set.
264 
        * reset.c (frv_hardware_reset): Invalidate both caches.
265 
        * registers.c: Update init, reset and read-only masks for all registers
266 
        on all machines.
267 
        * profile.h (cur_gr_complex): New field of FRV_PROFILE_STATE
268 
        (prev_gr_complex): New field of FRV_PROFILE_STATE
269 
        (set_use_is_gr_complex): New function.
270 
        (set_use_not_gr_complex): New function.
271 
        (use_is_gr_complex): New function.
272 
        (decrease_GR_busy): New function.
273 
        * profile.c (reset_gr_flags): New function.
274 
        (reset_cc_flags): New function.
275 
        (set_use_is_gr_complex): New function.
276 
        (set_use_not_gr_complex): New function.
277 
        (use_is_gr_complex): New function.
278 
        (update_latencies): Reset gr and cc flags when latency reaches 0.
279 
        (decrease_GR_busy): New function.
280 
        * profile-fr400.h (fr500_reset_acc_flags): Removed.
281 
        (fr500_reset_cc_flags): New function.
282 
        * profile-fr500.c (frvbf_model_fr400_u_*): Reflect latencies from fr500
283 
        LSI version 1.41.
284 
        * profile-fr400.h (fr400_reset_gr_flags): New function.
285 
        (fr400_reset_fr_flags): New function.
286 
        (fr400_reset_acc_flags): New function.
287 
        * profile-fr400.c (set_use_not_media_p4): New function.
288 
        (set_use_not_media_p6): New function.
289 
        (set_acc_use_not_media_p2): New function.
290 
        (set_acc_use_not_media_p4): New function.
291 
        (fr400_reset_gr_flags): New function.
292 
        (fr400_reset_fr_flags): New function.
293 
        (fr400_reset_acc_flags): New function.
294 
        (frvbf_model_fr400_u_*): Reflect latencies from fr400 LSI version 1.1.
295 
        (frvbf_model_fr400_u_media_hilo): New function.
296 
        * pipeline.c (frv_vliw_setup_insn): Don't clear MSR0.MTT.
297 
        * memory.c (fr400_check_data_read_address): Check address range only
298 
        for double word loads. Don't check alignment here.
299 
        (fr400_check_readwrite_address): New function.
300 
        (fr500_check_readwrite_address): New function.
301 
        (check_readwrite_address): New function.
302 
        (fr500_check_insn_read_address): Correct address ranges.
303 
        (frvbf_read_mem_*): Check address range here.
304 
        (frv_address_forbidden): Removed.
305 
        (fr400_check_write_address): New function.
306 
        (check_write_address): New function.
307 
        (frvbf_write_mem_*): Don't check address range here.
308 
        (frvbf_mem_set_*): Check address range here.
309 
        * interrupts.c (frv_queue_data_access_error_interrupt): Now takes an
310 
        address as second argument.
311 
        (frv_queue_data_access_exception_interrupt): New function.
312 
        (frv_queue_illegal_instruction_interrupt): Generate fp_exception for
313 
        media insns on fr400.
314 
        (frv_queue_non_implemented_instruction_interrupt): Generate mp_exception
315 
        for media insns on fr400.
316 
        (frv_detect_insn_access_interrupts): Don't check for illegal addresses
317 
        of insns here.  Check for MTRAP insn if PSR.EM is not set.
318 
        (frv_set_mp_exception_registers): Only set MSR0.MTT if it is not already
319 
        set.
320 
        (set_exception_status_registers): Do not always set EPCR. Set EAR for
321 
        data_acess_error only if not fr400.
322 
        * frv.c (do_media_average): New function.
323 
        (frvbf_media_average): New function.
324 
        (frvbf_insn_cache_invalidate): Check for illegal invocation.
325 
        (frvbf_data_cache_invalidate): Ditto.
326 
        (frvbf_data_cache_flush): Ditto.
327 
        * frv-sim.h (GET_FSR_QNE): New macro.
328 
        (frv_msr_mtt): Remove MTT_SEQUENCE_ERROR.
329 
        (GET_MSR_SRDAV): New macro.
330 
        (GET_MSR_RDAV): New macro.
331 
        (GET_MSR_RD): New macro.
332 
        (frv_queue_data_access_error_interrupt): Now takes an address as second
333 
        argument.
334 
        (frv_address_forbidden): Removed.
335 
        * cache.c (non_cache_access): Correct address ranges. Now takes cache
336 
        as first argument.
337 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
338 
 
339 
2001-08-20  Dave Brolley
340 
 
341 
        * sim-main.h (_sim_cpu): New field 'elf_flags'.
342 
        * sim-if.c (sim_open): Extract the elf_flags from the input file and
343 
        save them with each cpu.
344 
        * mloop.in (main loop): Pass elf flags to frv_vliw_reset.  Set
345 
        last_insn_p before executing the insn.
346 
        * cache.c (frv_cache_invalidate): Flush scache if this is the cpu's
347 
        insn cache.
348 
        (frv_cache_invalidate_all): Ditto.
349 
 
350 
2001-08-20  Richard Sandiford
351 
 
352 
        * traps.c (syscall_read_mem): Flush the data cache before reading.
353 
        (syscall_write_mem): Flush the data cache before writing.
354 
        Invalidate both caches.
355 
 
356 
2001-07-05  Ben Elliston
357 
 
358 
        * Makefile.in (stamp-arch): Use $(CGEN_CPU_DIR).
359 
        (stamp-cpu): Likewise.
360 
 
361 
2001-05-23  Dave Brolley
362 
 
363 
        * profile-fr400.c (acc_use_is_media_p2): New function.
364 
        (frvbf_model_fr400_u_media_2): Account for latency of output
365 
        accumulators.
366 
        (frvbf_model_fr400_u_media_2_quad): Ditto.
367 
        (frvbf_model_fr400_u_media_2_acc): New function.
368 
        (frvbf_model_fr400_u_media_2_acc_dual): New function.
369 
        (frvbf_model_fr400_u_media_2_add_sub): New function.
370 
        (frvbf_model_fr400_u_media_2_add_sub_dual): New function.
371 
        (frvbf_model_fr400_u_media_3_dual): New function.
372 
        (frvbf_model_fr400_u_media_4_acc_dual): New function.
373 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
374 
 
375 
2001-05-15  Dave Brolley
376 
 
377 
        * registers.c (fr400_spr): Enable write access to HSR0.CBM.
378 
        * profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
379 
        * profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
380 
        (request_cache_flush): Save 'all' argument.
381 
        (request_cache_invalidate): Save all_cache_entries from profile state
382 
        to 'all' field of the request.
383 
        (submit_cache_request): Pass the 'all' field of the request to
384 
        frv_cache_request_invalidate.
385 
        * frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
386 
        operation even if HSR0.ICE is not set.
387 
        (frv_data_cache_invalidate): Add new 'all' parameter. Perform
388 
        operation even if HSR0.DCE is not set.
389 
        (frv_data_cache_flush): Ditto.
390 
        * frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
391 
        (frv_data_cache_invalidate): Add new 'all' parameter.
392 
        (frv_data_cache_flush): Add new 'all' parameter.
393 
        * cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
394 
        (frv_cache_request_invalidate): Add new 'all' parameter.
395 
        * cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
396 
        its value in the invalidate request.
397 
        (address_interference): Accept the value '-1' for the address argument
398 
        to mean 'any address'.
399 
        (handle_req_invalidate): Handle request to invalidate all cache lines.
400 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
401 
 
402 
2001-05-14  Dave Brolley
403 
 
404 
        * profile.h (past_first_p): New field of profiling state.
405 
        (branch_penalty): Ditto.
406 
        (branch_hint): Ditto.
407 
        (update_branch_penalty): New function.
408 
        * profile.c (frvbf_model_insn_after): Reset past_first_p and
409 
        branch_address fields of the profiling state.
410 
        (frvbf_model_branch): New function.
411 
        (update_branch_penalty): New function.
412 
        * profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
413 
        FCCi_3 inputs.
414 
        (frvbf_model_fr500_u_trap): New function.
415 
        (frvbf_model_fr500_u_check): New function.
416 
        (frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
417 
        cycles.
418 
        * profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
419 
        as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
420 
        (frvbf_model_fr400_u_media_dual_expand): Check resource usage as
421 
        documented in teh fr400 LSI.
422 
        (frvbf_model_fr400_u_media_dual_htob): Ditto.
423 
        (frvbf_model_fr400_u_media_dual_unpack): Removed.
424 
        (frvbf_model_fr500_u_trap): New function.
425 
        (frvbf_model_fr500_u_check): New function.
426 
        * mloop.in (simulate_dual_insn_prefetch): New function.
427 
        (@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
428 
        arguments for each machine type.
429 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
430 
 
431 
2001-05-09  Dave Brolley
432 
 
433 
        * Makefile.in (profile.o): Add profile-fr400.h as a dependency.
434 
        (profile-fr400.o): New target.
435 
        * profile.c: New file.
436 
        * profile.h: New file.
437 
        * profile-fr400.c: New file.
438 
        * profile-fr400.h: New file.
439 
        * profile-fr500.c: New file.
440 
        * profile-fr500.h: New file.
441 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
442 
 
443 
2001-05-02  Dave Brolley
444 
 
445 
        * sim-main.h (profile.h): #include it.
446 
        (CPU_PROFILE_STATE): New macro.
447 
        (profile_state): New frv specific cpu field.
448 
        * reset.c (frv_initialize): insn_fetch_address and branch_address now
449 
        part of global profiling state.
450 
        * Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
451 
        (SIM_EXTRA_DEPS): Add profile.h.
452 
        (registers.o): Correct name of source file.
453 
        (profile.o): New target.
454 
        (profile-fr500.o): New target.
455 
        * frv-sim.h: Move profile related data structures to profile.h.
456 
        * frv.c: Move fr500 specific functions to profile-fr500.c.
457 
        * cpu.h: Regenerated.
458 
 
459 
2001-04-27  Dave Brolley
460 
 
461 
        * sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
462 
        * interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
463 
        Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
464 
        Rename PIPE_* to UNIT_*.
465 
        (frv_queue_illegal_instruction_interrupt): Use
466 
        frv_is_float_insn and frv_is_media_insn.
467 
        (frv_queue_non_implemented_instruction_interrupt): Ditto.
468 
        (frv_detect_insn_access_interrupts): Ditto.
469 
        * frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
470 
        Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
471 
        * memory.c: Ditto.
472 
        * pipeline.c: Ditto.
473 
        * mloop.in: Ditto.
474 
        * frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
475 
        * cache.c: Rename PIPE_* to UNIT_*.
476 
 
477 
2001-04-24  Dave Brolley
478 
 
479 
        * frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
480 
        (frvbf_load_quad_FRint): Ditto.
481 
        (frvbf_load_quad_CPR): Ditto.
482 
        * cache.c (frv_cache_init): Initialize cache for fr400 vs other
483 
        machines.
484 
        (bfd.h): #include it.
485 
        (non_cache_access): Update for revised fr500 and for fr400.
486 
        * registers.c (frv_spr): Don't reset PSR.PS.
487 
        (fr500_spr): Ditto.
488 
        (frv_reset_spr): Set PSR.PS to the former value of PSR.S.
489 
 
490 
2001-04-23  Dave Brolley
491 
 
492 
        * traps.c (frv_core_signal): On fr400, generate data_access_error.
493 
        (frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
494 
        (frvbf_media_acc_not_aligned): Ditto.
495 
        (frvbf_media_register_not_aligned): Ditto.
496 
        (frvbf_division_exception): Use GET_ISR_EDE.
497 
        * registers.c (frv_check_spr_read_access): New function.
498 
        (frv_check_spr_write_access): New function.
499 
        (frv_check_spr_access): Deleted.
500 
        (frv_check_register_access): On fr400, generate illegal_instruction.
501 
        * memory.c (fr400_check_data_read_address): New function.
502 
        (fr500_check_data_read_address): Ditto.
503 
        (check_data_read_address): Ditto.
504 
        (fr400_check_insn_read_address): Ditto.
505 
        (fr500_check_insn_read_address): Ditto.
506 
        (check_insn_read_address): Ditto.
507 
        (frvbf_read_mem_QI): Call check_data_read_access.
508 
        (frvbf_read_mem_UQI): Ditto.
509 
        (frvbf_read_mem_HI): Ditto.
510 
        (frvbf_read_mem_UHI): Ditto.
511 
        (frvbf_read_mem_SI): Ditto.
512 
        (frvbf_read_mem_DI): Ditto.
513 
        (frvbf_read_mem_DF): Ditto.
514 
        (frvbf_read_imem_USI): Call check_insn_read_access.
515 
        (frv_address_forbidden): Now takes cpu as first argument. Check based
516 
        on machine type.
517 
        (fr400_mem_address_unaligned): New function.
518 
        (fr500_mem_address_unaligned): Ditto.
519 
        (check_write_address): Ditto.
520 
        (frvbf_mem_set_QI): Call check_write_address.
521 
        (frvbf_mem_set_HI): Ditto.
522 
        (frvbf_mem_set_SI): Ditto.
523 
        (frvbf_mem_set_DI): Ditto.
524 
        (frvbf_mem_set_DF): Ditto.
525 
        (frvbf_mem_set_XI): Ditto.
526 
        * interrupts.c (bfd.h): #include it.
527 
        (frv_queue_data_access_error_interrupt): New function.
528 
        (frv_queue_instruction_access_error_interrupt): New function.
529 
        (frv_queue_instruction_access_exception_interrupt): New function.
530 
        (frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
531 
        (frv_queue_non_implemented_instruction_interrupt): Ditto.
532 
        (frv_detect_insn_access_interrupts): Reorder tests to match priority
533 
        from the LSI manual.
534 
        (set_isr_exception_fields): Accumulate dtt bits.
535 
        * frv.c (check_register_alignment): New function.
536 
        (check_fr_register_alignment): New function.
537 
        (check_memory_alignment): New function.
538 
        (frvbf_h_gr_double_get_handler): Call check_register_alignment.
539 
        (frvbf_h_gr_double_set_handler): Ditto.
540 
        (frvbf_h_cpr_double_get_handler): Ditto.
541 
        (frvbf_h_cpr_double_set_handler): Ditto.
542 
        (frvbf_h_gr_quad_set_handler): Ditto.
543 
        (frvbf_h_cpr_quad_set_handler): Ditto.
544 
        (frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
545 
        (frvbf_h_fr_double_set_handler): Ditto.
546 
        (frvbf_h_fr_quad_set_handler): Ditto.
547 
        (frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
548 
        (frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
549 
        (frvbf_load_quad_GR): Call check_memory_aligment.
550 
        (frvbf_load_quad_FRint): Ditto.
551 
        (frvbf_load_quad_CPR): Ditto.
552 
        (frvbf_store_quad_GR): Call check_memory_aligment and
553 
        check_register_alignment.
554 
        (frvbf_store_quad_FRint): Ditto.
555 
        (frvbf_store_quad_CPR): Ditto.
556 
        (frvbf_signed_integer_divide: Use GET_ISR_EDEM.
557 
        * frv-sim.h (H_SPR_ACC0): New macro.
558 
        (H_SPR_ACC63): New macro.
559 
        (H_SPR_ACCG0): New macro.
560 
        (H_SPR_ACCG63): New macro.
561 
        (frv_dtt): New enumerator.
562 
        (GET_ISR_EDE): Renamed from GET_ISR_EDEM.
563 
        (GET_ISR_DTT): New macro.
564 
        (frv_queue_data_access_error_interrupt): New function.
565 
        (frv_queue_instruction_access_error_interrupt): New function.
566 
        (frv_queue_instruction_access_exception_interrupt): New function.
567 
        (frv_address_forbidden): Now takes cpu as first argument.
568 
        * cpu.h: Regenerate.
569 
 
570 
2001-04-10  Dave Brolley
571 
 
572 
        * registers.c (fr500_spr): Add new fields to fr500 PSR register.
573 
        (fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
574 
        (fr400_spr): Implement SPR registers for fr400.
575 
        (frv_register_control_init): Handle bfd_mach_fr400 properly.
576 
        * frv.c (spr_bpsr_get_handler): Mask field before shifting.
577 
        (spr_psr_get_handler): Ditto.
578 
        (spr_ccr_get_handler): Ditto.
579 
        (spr_cccr_get_handler): Ditto.
580 
        (frvbf_clear_accumulators): Only 4 accumulators on fr400.
581 
        * frv-sim.h: Update comment about MCCR_* macros.
582 
        * cpu.c,cpu.h: Regenerate.
583 
 
584 
2001-04-05  Dave Brolley
585 
 
586 
        * cpu.h,decode.c,model.c,sem.c: Regenerate.
587 
 
588 
2001-04-05  Dave Brolley
589 
 
590 
        * reset.c: Update copyright.
591 
        * registers.c (frv_register_control_init): Handle bfd_mach_fr400.
592 
        * frv.c (frvbf_model_fr400_u_exec): New function.
593 
        * Makefile.in (stamp-cpu): Add fr400 to list of machines.
594 
        * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
595 
        Regenerate.
596 
 
597 
2000-11-22  Dave Brolley
598 
 
599 
        * arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
600 
        Regenerate.
601 
 
602 
2000-11-10  Dave Brolley
603 
 
604 
        * decode.c: Regenerate.
605 
 
606 
2000-09-12  Dave Brolley
607 
 
608 
        * traps.c (frv_sim_engine_halt_hook): New function.
609 
        (frv_itrap): Caches now invalidated in sim_engine_halt via
610 
        SIM_ENGINE_HALT_HOOK.
611 
        (frv_break): Ditto.
612 
        * sim-main.h (frv_sim_engine_halt_hook): New function.
613 
        (SIM_ENGINE_HALT_HOOK): New macro.
614 
        (SIM_ENGINE_RESTART_HOOK): New macro.
615 
        * interrupts.c: Call to frv_term now done within sim_engine_halt via
616 
        SIM_ENGINE_HALT_HOOK.
617 
 
618 
2000-09-08  Dave Brolley
619 
 
620 
        * traps.c (frv_itrap): Invalidate and flush the data and insn caches
621 
        respectively when stopping for a breakpoint.
622 
        (frv_break): Ditto.
623 
        * cache.h (frv_cache_invalidate_all): New function.
624 
        * cache.c (frv_cache_invalidate_all): New function.
625 
 
626 
2000-09-05  Dave Brolley
627 
 
628 
        * traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
629 
        sim_handle_breakpoint. Otherwise if environment != operating call
630 
        sim_engine_halt. Otherwise handle normally.
631 
        * interrupts.c (frv_queue_break_interrupt): Don't handle debugger
632 
        breakpoints here. Moved to frv_break in traps.c.
633 
 
634 
        * sem.c: Regenerate.
635 
 
636 
2000-09-01  Dave Brolley
637 
 
638 
        * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
639 
        before queuing an interrupt in order to allow 'break' to be used as
640 
        the breakpoint insn.
641 
 
642 
2000-08-29  Dave Brolley
643 
 
644 
        * traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.
645 
 
646 
2000-07-27  Dave Brolley
647 
 
648 
        * cpu.h,decode.c: Rebuild.
649 
 
650 
2000-07-26  Dave Brolley
651 
 
652 
        * frv.c (spr_cccr_get_handler): Change CRx to CCx.
653 
        (spr_cccr_set_handler): Change CRx to CCx.
654 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
655 
 
656 
2000-07-24  Dave Brolley
657 
 
658 
        * sem.c: Regenerate.
659 
        * frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
660 
        Don't write it directly.
661 
 
662 
Thu Jul  6 13:51:12 2000  Dave Brolley
663 
 
664 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
665 
 
666 
2000-07-05  Ben Elliston
667 
 
668 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
669 
 
670 
2000-06-28  Dave Brolley
671 
 
672 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
673 
 
674 
2000-06-21  Dave Brolley
675 
 
676 
        * pipeline.c: All code except frv_pipeline_setup_insn moved to
677 
        frv.opc.
678 
        * mloop.in (main loop): frv_pipeline_add_insn broken up into
679 
        frv_pipeline_add_insn and frv_pipeline_setup_insn.
680 
        * frv-sim.h: Move pipeline status code to frv.opc.
681 
        * model.c: Regenerate.
682 
 
683 
2000-06-12  Dave Brolley
684 
 
685 
        * options.c (frv_option_handler): --profile-parallel implies
686 
        --profile-model.
687 
        * mloop.in (fetch_buffer): Removed.
688 
        (@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
689 
        run_caches.  Use cache directly if not counting cycles.  Don't use
690 
        cache at all if not counting cycles and cache not enabled.
691 
        * frv.c (frv_insn_fetch_buffer): New global variable.
692 
        (run_caches): Monitor the status of insn prefetch requests.
693 
        * frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.
694 
        (frv_insn_fetch_buffer): New global variable.
695 
 
696 
2000-06-12  Dave Brolley
697 
 
698 
        * mloop.in (fetch_buffer): New static struct.
699 
        (@cpu@_simulate_insn_prefetch): Rewritten.
700 
        * cache.c (frv_cache_request_invalidate): Don't invalidate return
701 
        buffer.
702 
        (address_interference): Defer to any WAR request in either pipeline.
703 
 
704 
2000-06-09  Dave Brolley
705 
 
706 
        * pipeline.c (insns_in_slot): New Array.
707 
        (frv_pipeline_add_insn): Call COUNT_INSNS_IN_SLOT.
708 
        * options.c (frv_options): Remove 'NONBLOCK' argument from data-cache
709 
        option.
710 
        (parse_cache_option): New function.
711 
        (frv_option_handler): Call parse_cache_option.
712 
        * frv.c (vliw_branch_taken): New variable.
713 
        (vliw_load_stall): New variable.
714 
        (handle_resource_wait): Update vliw_load_stall.
715 
        (frvbf_model_insn_before): Initialize vliw_branch_taken and
716 
        vliw_load_stall.
717 
        (frvbf_model_insn_after): Increment PROFILE_MODEL_LOAD_STALL_CYCLES.
718 
        (load_wait_for_FR): Update vliw_load_stall.
719 
        (load_wait_for_GR): Update vliw_load_stall.
720 
        (load_wait_for_FRdouble): Update vliw_load_stall.
721 
        (load_wait_for_GRdouble): Update vliw_load_stall.
722 
        (frvbf_model_fr500_u_branch): Count branches taken and not taken.
723 
        (slot_names): New static array.
724 
        (print_parallel): Now takes second argument 'verbose'. Print cycles per
725 
        VLIW insn and instructions per cycle. Also tabulate the number of insns
726 
        in each type of VLIW slot.
727 
        (frv_profile_info): Call print_parallel with new second argument.
728 
        * frv-sim.h (insn_in_slot): New array.
729 
        (COUNT_INSNS_IN_SLOT): New macro.
730 
        (INSNS_IN_SLOT): New macro.
731 
        * cache.c: Remove references to non_blocking_count. Remove references to
732 
        last_was_hit. Remove references to req_none.
733 
        (handle_req_store): Adjust statistics before requeuing the store
734 
        request.
735 
        (handle_req_WAR): Don't let the WAR request affect the cache statistics.
736 
        * cache.h: Remove references to non_blocking_count. Remove references to
737 
        last_was_hit. Remove references to req_none.
738 
        * model.c: Regenerate.
739 
 
740 
2000-06-08  Dave Brolley
741 
 
742 
        * frv.c (request_complete): Copy load data from the correct return
743 
        buffer.
744 
 
745 
2000-06-07  Dave Brolley
746 
 
747 
        * traps.c (frv_core_signal): Call frv_term before exiting.
748 
        (frv_itrap): Call frv_term before exiting.
749 
        (next_available_nesr): Make sure NECR is implemented before reading it.
750 
        (next_valid_nesr): Ditto.
751 
        (frvbf_check_non_excepting_load): Ditto.
752 
        (frvbf_clear_ne_flags): Ditto.
753 
        (frvbf_commit): Ditto.
754 
        (frvbf_check_recovering_store): Delay cache operation if 'model_insn'.
755 
        * sim-main.h (_sim_cpu): Add load_address, load_length, load_flag and
756 
        store_flag members.
757 
        (CPU_LOAD_ADDRESS): New macro.
758 
        (CPU_LOAD_LENGTH): New macro.
759 
        (CPU_LOAD_SIGNED): New macro.
760 
        (CPU_LOAD_LOCK): New macro.
761 
        * reset.c (frv_term): New function.
762 
        (frv_power_on_reset): Use SETMEMSI if the cache is not enabled.
763 
        (frv_hardware_reset): Use SETMEMSI if the cache is not enabled.
764 
        (frv_software_reset): Use SETMEMSI if the cache is not enabled.
765 
        * mloop.in (execute): Call FRV_COUNT_CYCLES to decide whether to model
766 
        the insn. Model the insn in two passes. One before and one after
767 
        execution.
768 
        (cache_reqno): new static variable.
769 
        (@cpu@_simulate_insn_prefetch): Model fetch latency by waiting for the
770 
        cache rather than assuming a fixed latency.
771 
        (xinit): Turn on PROFILE_MODEL_P before each vliw insn if the timer is
772 
        enabled so that modeling data is collected by cgen during execution.
773 
        (full-exec): Restore PROFILE_MODEL_P after each vliw insn.
774 
        * memory.c (data_non_cache_access): Removed.
775 
        (insn_non_cache_access): Removed.
776 
        (frvbf_read_mem_QI): Delay read operation if 'model_insn'.
777 
        (frvbf_read_mem_UQI): Delay read operation if 'model_insn'.
778 
        (frvbf_read_mem_HI): Delay read operation if 'model_insn'.
779 
        (frvbf_read_mem_UHI): Delay read operation if 'model_insn'.
780 
        (frvbf_read_mem_SI): Delay read operation if 'model_insn'.
781 
        (frvbf_read_mem_DI): Delay read operation if 'model_insn'.
782 
        (frvbf_read_mem_DF): Delay read operation if 'model_insn'.
783 
        (frvbf_read_imem_USI): Read the cache or ememory passively.
784 
        (frvbf_write_mem_QI): Don't check for non-cache access here.
785 
        (frvbf_write_mem_UQI): Call frvbf_write_mem_QI.
786 
        (frvbf_write_mem_HI): Don't check for non-cache access here.
787 
        (frvbf_write_mem_UHI): Call frvbf_write_mem_QI.
788 
        (frvbf_write_mem_SI): Don't check for non-cache access here.
789 
        (frvbf_write_mem_DI): Don't check for non-cache access here.
790 
        (frvbf_write_mem_DF): Don't check for non-cache access here.
791 
        (frvbf_mem_set_QI): Use cycle-accurate cache write if 'model_insn'.
792 
        (frvbf_mem_set_HI): Use cycle-accurate cache write if 'model_insn'.
793 
        (frvbf_mem_set_SI): Use cycle-accurate cache write if 'model_insn'.
794 
        (frvbf_mem_set_DI): Use cycle-accurate cache write if 'model_insn'.
795 
        (frvbf_mem_set_DF): Use cycle-accurate cache write if 'model_insn'.
796 
        (frvbf_mem_set_XI): Use cycle-accurate cache write if 'model_insn'.
797 
        * interrupts.c (check_reset): Read the cache and memory passively.
798 
        (frv_program_or_software_interrupt): Call frv_term before calling
799 
        sim_engine_halt.
800 
        * frv.c (all modeling functions): Break into two passes. One before
801 
        execuetion and one after. call load_wait_for_* for all GR and FR
802 
        registers.
803 
        (frvbf_load_quad_GR): Delay performing the load if 'model_insn'.
804 
        (frvbf_load_quad_FRint): Delay performing the load if 'model_insn'.
805 
        (frvbf_load_quad_CPR): Delay performing the load if 'model_insn'.
806 
        (frvbf_insn_cache_preload): Delay cache operation if 'model_insn'.
807 
        (frvbf_data_cache_preload): Delay cache operation if 'model_insn'.
808 
        (frvbf_insn_cache_unlock): Delay cache operation if 'model_insn'.
809 
        (frvbf_data_cache_unlock): Delay cache operation if 'model_insn'.
810 
        (frvbf_insn_cache_invalidate): Delay cache operation if 'model_insn'.
811 
        (frvbf_data_cache_invalidate): Delay cache operation if 'model_insn'.
812 
        (frvbf_data_cache_flush): Delay cache operation if 'model_insn'.
813 
        (model_insn): New global variable.
814 
        (fr_ptime): New array.
815 
        (cache_request): New enumeration.
816 
        (CACHE_QUEUE_ELEMENT): New struct type.
817 
        (CACHE_QUEUE_SIZE): New macro.
818 
        (cache_queue): New static struct.
819 
        (request_cache_load): New function.
820 
        (request_cache_flush): New function.
821 
        (request_cache_invalidate): New function.
822 
        (request_cache_preload): New function.
823 
        (request_cache_unlock): New function.
824 
        (submit_cache_request): New function.
825 
        (activate_cache_requests): New function.
826 
        (load_pending_for_register): New function.
827 
        (flush_pending_for_address): New function.
828 
        (remove_cache_queue_element): New function.
829 
        (copy_load_data): New function.
830 
        (request_complete): New function.
831 
        (run_caches): New function.
832 
        (frv_model_trace_wait_cycles): New function.
833 
        (wait_for_flush): New function.
834 
        (frvbf_model_insn_before): Insn prefect wait now modeled in
835 
        frvbf_simulate_insn_prefetch. Incremement vliw_insns here. Call
836 
        wait_for_flush.
837 
        (frvbf_model_insn_after): Call activate_cache_requests. Don't increment
838 
        vliw_insns here anymore.
839 
        (update_FR_latency_for_load): New function.
840 
        (update_FRdouble_latency_for_load): New function.
841 
        (update_FR_ptime): New function.
842 
        (update_FRdouble_ptime): New function.
843 
        (update_GR_latency_for_swap): New function.
844 
        (load_wait_for_GR): New function.
845 
        (load_wait_for_FR): New function.
846 
        (load_wait_for_GRdouble): New function.
847 
        (load_wait_for_FRdouble): New function.
848 
        (frvbf_model_fr500_u_ici): New function.
849 
        (frvbf_model_fr500_u_dci): New function.
850 
        (frvbf_model_fr500_u_dcf): New function.
851 
        (frvbf_model_fr500_u_icpl): New function.
852 
        (frvbf_model_fr500_u_dcpl): New function.
853 
        (frvbf_model_fr500_u_icul): New function.
854 
        (frvbf_model_fr500_u_dcul): New function.
855 
        * frv-sim.h (frv_term): New function.
856 
        (insn_non_cache_access): Removed.
857 
        (FRV_COUNT_CYCLES): New macro.
858 
        (frv_save_peofile_model_p): New global variable.
859 
        (model_insn): New enumerated global variable.
860 
        (frv_model_advance_cycles): New function.
861 
        (frv_model_trace_wait_cycles): New function.
862 
        * cache.h (FRV_CACHE_REQUEST_KIND): New enumeration.
863 
        (FRV_CACHE_WAR_REQUEST): New struct type.
864 
        (FRV_CACHE_STORE_REQUEST): New struct type.
865 
        (FRV_CACHE_INVALIDATE_REQUEST): New struct type.
866 
        (FRV_CACHE_PRELOAD_REQUEST): New struct type.
867 
        (FRV_CACHE_REQUEST): New struct type.
868 
        (FRV_CACHE_RETURN_BUFFER): New struct type.
869 
        (FRV_CACHE_FLUSH_STATUS): New struct type.
870 
        (FRV_CACHE_STATUS): New struct type.
871 
        (FRV_CACHE_STAGE): New struct type.
872 
        (FRV_CACHE_STAGES): New enumeration.
873 
        (FRV_CACHE_WAR): New struct type.
874 
        (FRV_CACHE_PIPELINE): New struct type.
875 
        (FRV_CACHE_ARS): New struct type.
876 
        (FRV_CACHE_STATISTICS): New struct type.
877 
        (FRV_CACHE): Add pipeline, statistics, BARS and NARS.
878 
        (CACHE_RETURN_DATA): 'return_buffer' is now within 'status'.
879 
        (CACHE_RETURN_DATA_ADDRESS): New macro.
880 
        (frv_cache_read): Now takes pipe index as second argument.
881 
        (frv_cache_enabled): New function.
882 
        (frv_cache_request_load): New function.
883 
        (frv_cache_request_store): New function.
884 
        (frv_cache_request_invalidate): New function.
885 
        (frv_cache_request_preload): New function.
886 
        (frv_cache_request_unlock): New function.
887 
        (frv_cache_run): New function.
888 
        (frv_cache_read_passive_SI): New function.
889 
        (frv_cache_data_in_buffer): New function.
890 
        (frv_cache_data_flushed): New function.
891 
        * cache.c (frv_cache_init): Initialize pipelines and xARS registers.
892 
        (frv_cache_enabled): New function.
893 
        (non_cache_access): New function.
894 
        (write_data_to_memory): Count write accesses for each mode. Write to
895 
        memory using sim_core_write_unaligned_1;
896 
        (read_data_from_memory): New function.
897 
        (fill_line_from_memory): Use read_data_from_memory.
898 
        (copy_line_to_return_buffer): New function.
899 
        (copy_memory_to_return_buffer): New function.
900 
        (set_return_buffer_reqno): New function.
901 
        (frv_cache_read): Now takes pipe index as second argument. Check for
902 
        non-cache access.
903 
        (frv_cache_preload): Check for non-cache access.
904 
        (frv_cache_unlock): Check for non-cache access.
905 
        (invalidate_return_buffer): New function.
906 
        (frv_cache_invalidate): Check for non-cache access.
907 
        (convert_slot_to_index): New function.
908 
        (FREE_CHAIN_SIZE): New macro.
909 
        (frv_cache_request_free_chain): New static variable.
910 
        (frv_store_request_free_chain): New static variable.
911 
        (allocate_new_cache_requests): New function.
912 
        (new_cache_request): New function.
913 
        (free_cache_request): New function.
914 
        (new_store_request): New function.
915 
        (pipeline_remove_request): New function.
916 
        (pipeline_add_request): New function.
917 
        (pipeline_requeue_request): New function.
918 
        (next_priority): New function.
919 
        (add_WAR_request): New function.
920 
        (pipeline_next_request): New function.
921 
        (pipeline_stage_request): New function.
922 
        (advance_pipelines): New function.
923 
        (frv_cache_request_load): New function.
924 
        (frv_cache_request_store): New function.
925 
        (frv_cache_request_invalidate): New function.
926 
        (frv_cache_request_preload): New function.
927 
        (frv_cache_request_unlock): New function.
928 
        (address_interference): New function.
929 
        (wait_for_WAR): New function.
930 
        (wait_in_WAR): New function.
931 
        (handle_req_load): New function.
932 
        (handle_req_preload): New function.
933 
        (handle_req_store): New function.
934 
        (handle_req_invalidate): New function.
935 
        (handle_req_unlock): New function.
936 
        (handle_req_WAR): New function.
937 
        (arbitrate_requests): New function.
938 
        (move_ARS_to_WAR): New function.
939 
        (decrease_latencies): New function.
940 
        (frv_cache_run): New function.
941 
        (frv_cache_read_passive_SI): New function.
942 
        (frv_cache_data_in_buffer): New function.
943 
        (frv_cache_data_flushed): New function.
944 
        * arch.h,decode.c,decode.h,model.c,sem.c: Rebuild.
945 
 
946 
Wed May 24 14:40:34 2000  Andrew Cagney
947 
 
948 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
949 
 
950 
2000-05-19  Dave Brolley
951 
 
952 
        * traps.c (frv_rett): Check for exceptions in the order specified in the
953 
        architecture spec. Allow privileged_instruction interrrupt to be handled
954 
        normally.
955 
        * registers.c (frv_register_control_init): Handle bfd_mach_frvtomcat.
956 
        * frv.c (frvbf_signed_integer_divide): Use updated dtt to decide whether
957 
        to clear the NE flag.
958 
        (frvbf_model_tomcat_u_exec): New function.
959 
        * frv-sim.h (frvbf_division_exception): Now returns updated dtt.
960 
        * Makefile.in (stamp-cpu): Add 'tomcat' to 'mach' value.
961 
        * arch.c,arch.h,cpu.h,cpuall.h,model.h,decode.c,sem.c: Regenerate.
962 
 
963 
2000-05-18  Dave Brolley
964 
 
965 
        * sim-if.c (elf-bfd.h): #include it.
966 
        (sim_open): Set machine amd architecture based on elf flags.
967 
 
968 
2000-04-04  Dave Brolley
969 
 
970 
        * frv-sim.h (frv_h_psr_esr_set_handler): Removed.
971 
        Delete '#if 0' blocks.
972 
        * frv.c: Delete '#if 0' blocks.
973 
        (spr_psr_set_handler): Remove special handling for circular referencing of handlers for
974 
        PSR.S and PSR.ESR.
975 
        (frv_h_psr_esr_set_handler): Removed.
976 
        * interrupts.c: Delete '#if 0' blocks.
977 
        * memory.c: Delete '#if 0' blocks.
978 
        * cpu.c,cpu.h: Regenerate.
979 
 
980 
2000-04-03  Dave Brolley
981 
 
982 
        * traps.c (frvbf_check_recovering_store): Invalidate data cache line
983 
        containing the target address.
984 
        (clear_nesr_neear): No longer takes hi_available and lo_available.
985 
        Remove bogus check for available GR registers.
986 
        (frvbf_clear_ne_flags): Update call to clear_nesr_neear.
987 
        (frvbf_commit): Update call to clear_nesr_neear.
988 
        * interrupts.c (next_available_esr): Removed.
989 
        (next_available_edr): Removed.
990 
        (next_available_fq): Removed.
991 
        * frv.c (frvbf_fetch_register): Remove "FIXME" comment.
992 
        (frvbf_store_register): Remove "FIXME" comment.
993 
        * frv-sim.h (UART_INCHAR_ADDR): Removed.
994 
        (UART_OUTCHAR_ADDR):  Removed.
995 
        (UART_STATUS_ADDR):  Removed.
996 
        (UART_INPUT_READY):  Removed.
997 
        (UART_OUTPUT_READY):  Removed.
998 
        (FRV_DEVICE_ADDR):  Removed.
999 
        (FRV_DEVICE_LEN):  Removed.
1000 
        (SET_NESR): Call frvbf_force_update.
1001 
        (SET_NEEAR): Call frvbf_force_update.
1002 
        (SET_NE_FLAGS): Call frvbf_force_update.
1003 
 
1004 
2000-03-30  Dave Brolley
1005 
 
1006 
        * configure: Regenerated.
1007 
 
1008 
2000-03-30  Dave Brolley
1009 
 
1010 
        * registers.c (fr500_spr): Define ESR14-15 and EPCSR14-15 for fr500.
1011 
        * memory.c (frvbf_write_mem_*): Save slot containing the insn
1012 
        performing the write.
1013 
        (frvbf_mem_set_*): Overwrite the slot information of the interrupt
1014 
        queue element with the information in the interrupt state.
1015 
        * interrupts.c (frv_queue_interrupt): Call frv_set_interrupt_queue_slot.
1016 
        (frv_queue_fp_exception_interrupt): Initialize 'new_element'.
1017 
        (frv_set_interrupt_queue_slot): New function.
1018 
        (esr_for_data_access_exception): New function.
1019 
        (set_edr_register): edr_index is now passed in.
1020 
        (fq_for_exception): New function.
1021 
        (set_fp_exception_registers): Call fq_for_exception. Interrupt queue
1022 
        element now passed in.
1023 
        (set_exception_status_registers): Obtain slot from interrupt queue
1024 
        element. Call esr_for_data_access_exception. Use ESR14
1025 
        for data_store_error. Use ESR15 for data_access_error. Use EDR0.
1026 
        (frv_save_data_written_for_interrupts): Save slot containing the insn
1027 
        performing the write.
1028 
        * frv-sim.h (struct frv_fp_exception_info): Use frv_fsr_traps and
1029 
        frv_fsr_ftt.
1030 
        (struct frv_interrupt_state): Add 'slot' field.
1031 
        (frv_set_interrupt_queue_slot): New function.
1032 
        (frv_set_write_queue_slot): New function.
1033 
 
1034 
2000-03-24  Dave Brolley
1035 
 
1036 
        * mloop.in (_parallel_write_init): Initialize
1037 
        frv_interrupt_state.imprecise_interrupt.
1038 
        (_parallel_write_queued): After an imprecise interrupt, only perform
1039 
        forced writes and floating point writes (for certain exceptions).
1040 
        * interrupts.c (handle_interrupt): Set
1041 
        frv_interrupt_state.imprecise_interrupt for writeback after an imprecise
1042 
        interrupt.
1043 
        (frv_process_interrupts): No need to clear f_ne_flags.
1044 
        * frv.c (frvbf_signed_integer_divide): Queue writes to GR registers and
1045 
        force them to happen even if there is an overflow exception.
1046 
        (frvbf_force_update): New function.
1047 
        * frv-sim.h (frvbf_force_update): New function.
1048 
        (struct frv_interrupt_state): Add imprecise_interrupt.
1049 
        (FRV_WRITE_QUEUE_FORCE_WRITE): New macro.
1050 
        * sem.c: Regenerate.
1051 
 
1052 
2000-03-23  Dave Brolley
1053 
 
1054 
        * traps.c (frv_rett): Queue FRV_ILLEGAL_INSTRUCTION directly.
1055 
        * registers.c (frv_spr): MCIRL -> MCILR.
1056 
        * interrupts.c (frv_queue_non_implemented_instruction_interrupt):
1057 
        New function.
1058 
        (frv_detect_insn_access_interrupts):
1059 
        Call frv_queue_non_implemented_instruction_interrupt.
1060 
        (frv_process_interrupts): Clear accumulated NE flags.
1061 
        * frv.c (frvbf_media_cop): New function.
1062 
        (frvbf_set_ne_index): Now takes (SIM_CPU *) as first argument.  Clear
1063 
        the NE flag of the given target register.
1064 
        (frvbf_model_fr500_u_float_arith): Account for FRdouble registers.
1065 
        (frvbf_model_fr500_u_float_dual_arith): Account for FRdouble registers.
1066 
        (frvbf_model_fr500_u_float_dual_sqrt): New function.
1067 
        (frvbf_model_fr500_u_float_convert): Account for FRdouble registers.
1068 
        (frvbf_model_fr500_u_float_dual_convert): New function.
1069 
        * frv-sim.h (frvbf_media_cop): New function.
1070 
        (GET_FQ): Use H_SPR_FQST0.
1071 
        (SET_FQ): Use H_SPR_FQST0.
1072 
        (SET_FQ_OPC): Use J_SPR_FQOP0.
1073 
        (GET_MSR_EMCI): New macro.
1074 
        (frv_queue_non_implemented_instruction_interrupt): New function.
1075 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1076 
 
1077 
2000-03-08  Dave Brolley
1078 
 
1079 
        * traps.c (frv_rett): Align new_pc.
1080 
        * memory.c (frvbf_read_mem_HI): Align address.
1081 
        (frvbf_read_mem_UHI): Align address.
1082 
        (frvbf_read_mem_SI): Align address.
1083 
        (frvbf_read_mem_DI): Align address.
1084 
        (frvbf_read_mem_DF): Align address.
1085 
        (frvbf_read_imem_USI): Align address.
1086 
        (frvbf_mem_set_HI): Align address.
1087 
        (frvbf_mem_set_SI): Align address.
1088 
        (frvbf_mem_set_DI): Align address.
1089 
        (frvbf_mem_set_DF): Align address.
1090 
        (frvbf_mem_set_XI): Align address.
1091 
        * registers.c (frv_spr): Initialize FSR0.NS to 1.
1092 
        (fr500_spr): Initialize FSR0.NS to 1.
1093 
        * interrupts.c (frv_queue_mem_address_not_aligned_interrupt): Check
1094 
        whether the exception is masked.
1095 
        * frv.c (frvbf_load_quad_GR): Align address.
1096 
        (frvbf_store_quad_GR): Align address.
1097 
        (frvbf_load_quad_FRint): Align address.
1098 
        (frvbf_store_quad_FRint): Align address.
1099 
        (frvbf_load_quad_CPR): Align address.
1100 
        (frvbf_store_quad_CPR): Align address.
1101 
        * frv-sim.h (GET_ISR_EMAM): New macro.
1102 
 
1103 
2000-03-08  Dave Brolley
1104 
 
1105 
        * traps.c (frvbf_division_exception): Check for masked overflow and
1106 
        set NE flags, if necessary.
1107 
        (frvbf_check_recovering_store): Queue writes to the hardware.
1108 
        (check_registers_available): Removed.
1109 
        (which_registers_available): Call frv_{fr,gr}_registers_available.
1110 
        (frvbf_clear_ne_flags): Call check_register_access.
1111 
        (frvbf_commit): Call check_register_access.
1112 
        * registers.h (frv_fr_registers_available): New function.
1113 
        (frv_gr_registers_available): New function.
1114 
        (frv_check_register_access): New function.
1115 
        (frv_check_gr_access): New function.
1116 
        (frv_check_fr_access): New function.
1117 
        * registers.c (frv_spr): Correct initial value of ISR.
1118 
        (fr500_spr): Correct initial value of ISR.
1119 
        (frv_fr_registers_available): New function.
1120 
        (frv_gr_registers_available): New function.
1121 
        (frv_check_register_access): New function.
1122 
        (frv_check_gr_access): New function.
1123 
        (frv_check_fr_access): New function.
1124 
        * interrupts.c (frv_queue_division_exception_interrupt): New function.
1125 
        (set_isr_exception_fields): New function.
1126 
        (set_exception_status_registers): Set ISR fields for division exception.
1127 
        (frv_save_data_written_for_interrupts): Handle CGEN_FN_SF_WRITE.
1128 
        * frv.c (frvbf_h_gr_get_handler): New function.
1129 
        (frvbf_h_gr_set_handler): New function.
1130 
        (frvbf_h_fr_get_handler): New function.
1131 
        (frvbf_h_fr_set_handler): New function.
1132 
        (frvbf_h_spr_get_handler): Remove special handling for ISR.
1133 
        (frvbf_h_spr_set_handler): Remove special handling for ISR.
1134 
        (spr_isr_get_handler): Removed.
1135 
        (spr_isr_set_handler): Removed.
1136 
        (frvbf_signed_integer_divide): New funciton.
1137 
        (frvbf_unsigned_integer_divide): New funciton.
1138 
        * frv-sim.h (frvbf_h_gr_get_handler): New function.
1139 
        (frvbf_h_gr_set_handler): New function.
1140 
        (frvbf_h_fr_get_handler): New function.
1141 
        (frvbf_h_fr_set_handler): New function.
1142 
        (frvbf_signed_integer_divide): New funciton.
1143 
        (frvbf_unsigned_integer_divide): New funciton.
1144 
        (frv_dtt): New enumeration.
1145 
        (struct frv_interrupt_queue_element): Add dtt member.
1146 
        (GET_ISR): New macro.
1147 
        (SET_ISR): New macro.
1148 
        (GET_ISR_EDEM): New macro.
1149 
        (SET_ISR_DTT): New macro.
1150 
        (SET_ISR_AEXC): New macro.
1151 
        (frvbf_division_exception): Add 2 'int' arguments.
1152 
        (frvbf_check_non_excepting_divide): Removed.
1153 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1154 
 
1155 
2000-02-29  Dave Brolley
1156 
 
1157 
        * traps.c (frv_itrap): Use GET_H_GR, SET_H_GR, GET_H_FR.
1158 
        (frv_rett): Use hardware access macros. Write PSR as a whole.
1159 
        (next_available_nesr): Check that NECR is valid.
1160 
        (next_valid_nesr): Check that NECR is valid.
1161 
        (frvbf_check_non_excepting_load): User new NECR access macros. Don't
1162 
        call hardware access functions. Use cover macros.
1163 
        (check_registers_available): New function.
1164 
        (clear_nesr_near): Check register availability.
1165 
        (clear_ne_flags): Check register availability.
1166 
        (frvbf_clear_ne_flags): Check register availability.
1167 
        (frvbf_commit): Check register availability.
1168 
        (which_registers_available): New function.
1169 
        * sim-main.h (registers.h): #include it.
1170 
        (register_control): New cpu field.
1171 
        (CPU_REGISTER_CONTROL): New macro.
1172 
        * reset.c (frv_initialize): Set HSR0 fields for cache here.
1173 
        (frv_power_on_reset): Initialize SPR registers and RSTR.
1174 
        (frv_hardware_reset): Initialize SPR registers and RSTR.
1175 
        (frv_software_reset): Reset SPR registers and RSTR.
1176 
        * options.c (frv_option_handler): Don't set HSR0 fields for cache here.
1177 
        Call frv_cache_init.
1178 
        * mloop.in (main loop): Check for insn access interrupts before
1179 
        executing the insn.
1180 
        * interrupts.c (frv_queue_external_interrupt): Use GET_H_PSR_ET.
1181 
        (frv_detect_insn_access_interrupts): Don't call hardware access
1182 
        functions directly. Use cover macros.
1183 
        (check_reset): Don't reset RSTR here.
1184 
        (next_available_esr): ESFR -> ESFR_FLAG.
1185 
        (next_available_edr): ESFR -> ESFR_FLAG.
1186 
        (clear_exception_status_registers): Use GET_ESFR and SET_ESFR.
1187 
        ESFR -> ESFR_FLAG.
1188 
        (frv_break_interrupt): Don't call hardware access functions directly.
1189 
        Use cover macros.
1190 
        (frv_program_or_software_interrupt): Ditto.
1191 
        (frv_external_interrupt): Ditto.
1192 
        * frv.c (frvbf_fetch_register): Don't call 'get' functions directly.
1193 
        (frvbf_store_register): Don't call 'set' functions directly.
1194 
        (frvbf_h_gr_double_get_handler): Use GET_H_GR.
1195 
        (frvbf_h_gr_double_set_handler): Use SET_H_GR.
1196 
        (frvbf_h_fr_double_get_handler): Use GET_H_FR.
1197 
        (frvbf_h_fr_double_set_handler): Use SET_H_FR.
1198 
        (frvbf_h_fr_int_get_handler): Use GET_H_FR.
1199 
        (frvbf_h_fr_int_set_handler): Use SET_H_FR.
1200 
        (frvbf_h_cpr_double_get_handler): Use GET_H_CPR.
1201 
        (frvbf_h_cpr_double_set_handler): Use SET_H_CPR.
1202 
        (frvbf_h_gr_quad_set_handler): Use SET_H_GR.
1203 
        (frvbf_h_fr_quad_set_handler): Use SET_H_FR.
1204 
        (frvbf_h_spr_get_handler): Check SPR access. Call renamed functions.
1205 
        Support shadow registers.
1206 
        (frvbf_h_spr_set_handler): Check SPR access. Call renamed functions.
1207 
        Support shadow registers.
1208 
        (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1209 
        (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1210 
        (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1211 
        (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1212 
        (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1213 
        (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1214 
        (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1215 
        (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1216 
        (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1217 
        (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1218 
        (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1219 
        (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1220 
        (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1221 
        (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1222 
        (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1223 
        (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1224 
        (frvbf_h_psr_esr_set_handler): Update to conform to FRV architecture
1225 
        version 1.3a.
1226 
        (spr_ccr_get_handler): Don't reference the hardware directly.
1227 
        (spr_ccr_set_handler): Don't reference the hardware directly.
1228 
        (spr_cccr_get_handler): Don't reference the hardware directly.
1229 
        (spr_cccr_set_handler): Don't reference the hardware directly.
1230 
        (spr_sr_get_handler): New function.
1231 
        (spr_sr_set_handler): New function.
1232 
        (frvbf_switch_supervisor_user_context): Temporarily switch to
1233 
        supervisor mode.
1234 
        (frvbf_store_quad_GR): Don't call handler directly.
1235 
        (frvbf_store_quad_FRint): Don't call handler directly.
1236 
        (frvbf_store_quad_CPR): Don't call handler directly.
1237 
        (frvbf_clear_all_accumulators): Removed.
1238 
        (frvbf_clear_accumulators): New function.
1239 
        (frvbf_model_fr500_u_media): Expand busy_adjustment to 8 members.
1240 
        Account for in_ACCGi and out_ACCGk.
1241 
        * frv-sim.h (RSTR_HARDWARE_RESET): New macro.
1242 
        (RSTR_SOFTWARE_RESET): New macro.
1243 
        (spr_psr_get_handler): Renamed from frvbf_h_psr_get_handler.
1244 
        (spr_psr_set_handler): Renamed from frvbf_h_psr_set_handler.
1245 
        (spr_tbr_get_handler): Renamed from frvbf_h_tbr_get_handler.
1246 
        (spr_tbr_set_handler): Renamed from frvbf_h_tbr_set_handler.
1247 
        (spr_bpsr_get_handler): Renamed from frvbf_h_bpsr_get_handler.
1248 
        (spr_bpsr_set_handler): Renamed from frvbf_h_bpsr_set_handler.
1249 
        (spr_ccr_get_handler): Renamed from frvbf_h_ccr_get_handler.
1250 
        (spr_ccr_set_handler): Renamed from frvbf_h_ccr_set_handler.
1251 
        (spr_lr_get_handler): Renamed from frvbf_h_lr_get_handler.
1252 
        (spr_lr_set_handler): Renamed from frvbf_h_lr_set_handler.
1253 
        (spr_cccr_get_handler): Renamed from frvbf_h_cccr_get_handler.
1254 
        (spr_cccr_set_handler): Renamed from frvbf_h_cccr_set_handler.
1255 
        (spr_isr_get_handler): Renamed from frvbf_h_isr_get_handler.
1256 
        (spr_isr_set_handler): Renamed from frvbf_h_isr_set_handler.
1257 
        (spr_sr_get_handler): Renamed from frvbf_h_sr_get_handler.
1258 
        (spr_sr_set_handler): Renamed from frvbf_h_sr_set_handler.
1259 
        (frvbf_clear_all_accumulators): Removed.
1260 
        (frvbf_clear_accumulators): New function.
1261 
        (GET_HSR0): Use GET_H_SPR.
1262 
        (SET_HSR0): Use SET_H_SPR.
1263 
        (CLEAR_HSR0_ICE): New macro.
1264 
        (CLEAR_HSR0_DCE): New macro.
1265 
        (GET_IHSR8): Use GET_H_SPR.
1266 
        (GET_PSR): New macro.
1267 
        (SET_PSR_ET): New macro.
1268 
        (GET_PSR_PS): New macro.
1269 
        (SET_PSR_S): New macro.
1270 
        (GET_ESFR): Changed to reference entire register.
1271 
        (SET_ESFR): Changed to reference entire register.
1272 
        (GET_ESFR_FLAG): New macro.
1273 
        (SET_ESFR_FLAG): New macro.
1274 
        (NECR_ELOS): Removed.
1275 
        (NECR_NEN): Removed.
1276 
        (NECR_VALID): Removed.
1277 
        (GET_NECR): New macro.
1278 
        (GET_NECR_ELOS): New macro.
1279 
        (GET_NECR_NEN): New macro.
1280 
        (GET_NECR_VALID): New macro.
1281 
        (NESR_RANGE): Removed.
1282 
        (GET_NESR): Use GET_H_SPR.
1283 
        (GET_NE_FLAGS): Use GET_H_SPR.
1284 
        * cache.h (CACHE_INITIALIZED): New macro.
1285 
        * Makefile.in (SIM_OBJS): Add registers.o.
1286 
        (SIM_EXTRA_DEPS): Add registers.h.
1287 
        (registers.o): New target.
1288 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1289 
 
1290 
2000-02-17  Dave Brolley
1291 
 
1292 
        * interrupts.c (frv_interrupt_table): Update priority order and handler
1293 
        offsets to conform to the architecture version 1.3a.
1294 
        * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1295 
        to the architecture version 1.3a.
1296 
 
1297 
2000-02-17  Dave Brolley
1298 
 
1299 
        * interrupts.c (frv_interrupt_table): Update priority order and handler
1300 
        offsets to conform to the latest specifications.
1301 
        (frv_queue_interrupt): Correct comment. Identical interrupts can be
1302 
        queued. New variable 'iclass' used to test for external interrupts.
1303 
        * frv-sim.h (frv_interrupt_kind): Update priority order to conform
1304 
        to the latest specifications.
1305 
 
1306 
2000-01-20  Dave Brolley
1307 
 
1308 
        * sim-if.c (sim_open): Move frv-specific initialization to
1309 
        frv_initialize in reset.c.
1310 
        * interrupts.c (check_reset): Use RSTR_ADDRESS. Check and reset RSTR
1311 
        status bits for hardware vs software reset.
1312 
        * reset.c: New file.
1313 
        * frv-sim.h (frv_initialize): New function.
1314 
        (frv_power_on_reset): New function.
1315 
        (frv_hardware_reset): New function.
1316 
        (frv_software_reset): New function.
1317 
        (RSTR_ADDRESS): New macro.
1318 
        (RSTR_INITIAL_VALUE): New macro.
1319 
        (GET_RSTR_HR): New macro.
1320 
        (GET_RSTR_SR): New macro.
1321 
        (SET_RSTR_H): New macro.
1322 
        (SET_RSTR_S): New macro.
1323 
        (CLEAR_RSTR_P): New macro.
1324 
        (CLEAR_RSTR_H): New macro.
1325 
        (CLEAR_RSTR_S): New macro.
1326 
        (CLEAR_RSTR_HR): New macro.
1327 
        (CLEAR_RSTR_SR): New macro.
1328 
 
1329 
2000-01-03  Dave Brolley
1330 
 
1331 
        * mloop.in (execute): Only call modeling function if the pointer is not
1332 
        NULL.
1333 
        * frv.c (frvbf_model_insn_after): Only access FR500_MODEL_DATA for
1334 
        fr500.
1335 
 
1336 
2000-01-03  Dave Brolley
1337 
 
1338 
        * options.c (OPTION_FRV_MEMORY_LATENCY): New enumerator.
1339 
        (frv_options): Add --memory-latency.
1340 
        (frv_option_handler): Handle FRV_OPTION_MEMORY_LATENCY.
1341 
        * mloop.in (@cpu@_simulate_insn_prefetch): Use cache memory_latency.
1342 
        * frv.c (SET_ACC_USE_IS_MEDIA_P1): operate on d->curr_acc_p1
1343 
        (SET_ACC_USE_NOT_MEDIA_P1): operate on d->curr_acc_p1
1344 
        (SET_ACC_USE_IS_MEDIA_P2): operate on d->curr_acc_p1
1345 
        (SET_ACC_USE_NOT_MEDIA_P2): operate on d->curr_acc_p1
1346 
        (update_latencies): Only clear usage flags if the register has no
1347 
        target latency.
1348 
        (frvbf_model_insn_before): Update cur_acc_p1 and cur_acc_p2. Use | (or)
1349 
        not |= (or assgnment).
1350 
        (frvbf_model_insn_after): Print post processing wait for all insns.
1351 
        Update prev_acc_p1 and prev_acc_p2.
1352 
        (frvbf_model_fr500_u_gr_load_store): Use cache memory_latency.
1353 
        (frvbf_model_fr500_u_fr_load_store): Use cache memory_latency.
1354 
        (frvbf_model_fr500_u_swap): Use cache memory_latency.
1355 
        (frvbf_model_fr500_u_media): Use busy_adjustment[4] for out_ACC40Sk.
1356 
        (frvbf_model_fr500_u_media): Use busy_adjustment[5] for out_ACC40Uk.
1357 
        (frvbf_model_fr500_u_media_quad_arith): New function.
1358 
        (frvbf_model_fr500_u_media_dual_mul): New function.
1359 
        (frvbf_model_fr500_u_media_quad_mul): New function.
1360 
        (frvbf_model_fr500_u_media_quad_complex): New function.
1361 
        (frvbf_model_fr500_u_media_dual_expand): New function.
1362 
        (frvbf_model_fr500_u_media_dual_unpack): New function.
1363 
        (frvbf_model_fr500_u_media_dual_btoh): New function.
1364 
        (frvbf_model_fr500_u_media_dual_htob): New function.
1365 
        (frvbf_model_fr500_u_media_dual_btohe): New function.
1366 
        (frv_ref_SI): New function.
1367 
        * cache.h (FRV_CACHE): Add memory_latency field.
1368 
        * cache.c (frv_cache_init): Initialize memory_latency.
1369 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1370 
 
1371 
1999-12-17  Dave Brolley
1372 
 
1373 
        * sim-if.c (sim_open): Initialize insn prefetch and reset register.
1374 
        * options.c (OPTIONS_FRV_PROFILE_CACHE): New enumeration.
1375 
        (OPTIONS_FRV_PROFILE_PARALLEL): New enumeration.
1376 
        (OPTIONS_FRV_TIMER): New enumeration.
1377 
        (frv_options): Add --profile-cache, --profile-parallel, --timer.
1378 
        (frv_option_handler): Override common implementation of -p. Handle
1379 
        --profile-cache, --profile-parallel, --timer.
1380 
        * mloop.in (execute): Call profiling functions if the timer interrupt
1381 
        is enabled.
1382 
        (@cpu@_simulate_insn_prefetch): New function.
1383 
        (main loop): Call @cpu@_simulate_insn_prefetch.
1384 
        * interrupts.c (frv_queue_interrupt): Don't queue two external
1385 
        interrupts of the same priority.
1386 
        (frv_queue_external_interrupt): New function.
1387 
        (frv_external_interrupt): New function.
1388 
        (handle_interrupt): Handle external interrupts.
1389 
        (check_reset): New function.
1390 
        (frv_process_interrupts): Call check_reset.
1391 
        * frv.c: Include "bfd.h"
1392 
        (frvbf_h_psr_get_handler): Set the PIL field.
1393 
        (frvbf_h_psr_set_handler): Get the PIL field.
1394 
        (DUAL_REG): New macro.
1395 
        (DUAL_DOUBLE): New macro.
1396 
        (SET_USE_IS_FPOP): New macro.
1397 
        (SET_USE_NOT_FPOP): New macro.
1398 
        (USE_IS_FPOP): New macro.
1399 
        (SET_USE_IS_MEDIA): New macro.
1400 
        (SET_USE_NOT_MEDIA): New macro.
1401 
        (USE_IS_MEDIA_P1): New macro.
1402 
        (SET_USE_IS_MEDIA_P1): New macro.
1403 
        (SET_USE_NOT_MEDIA_P1): New macro.
1404 
        (SET_USE_IS_MEDIA_P2): New macro.
1405 
        (SET_USE_NOT_MEDIA_P2): New macro.
1406 
        (USE_IS_MEDIA_P2): New macro.
1407 
        (SET_ACC_USE_IS_MEDIA_P1): New macro.
1408 
        (SET_ACC_USE_NOT_MEDIA_P1): New macro.
1409 
        (ACC_USE_IS_MEDIA_P1): New macro.
1410 
        (SET_ACC_USE_IS_MEDIA_P2): New macro.
1411 
        (SET_ACC_USE_NOT_MEDIA_P2): New macro.
1412 
        (ACC_USE_IS_MEDIA_P2): New macro.
1413 
        (RESOURCE_IDIV): New macro.
1414 
        (RESOURCE_FDIV): New macro.
1415 
        (RESOURCE_SQRT): New macro.
1416 
        (fr_busy_adjust): New array.
1417 
        (acc_busy_adjust): New array.
1418 
        (apply_latency_adjustments): New function.
1419 
        (update_latencies): New function.
1420 
        (handle_wait_cycles): New function.
1421 
        (handle_resource_wait): New function.
1422 
        (update_target_latencies): New function.
1423 
        (frvbf_model_insn_before): Add resource latency to cycle counts.
1424 
        (frvbf_model_insn_after): Add resource latency to cycle counts.
1425 
        (update_GR_latency): New function.
1426 
        (update_GRdouble_latency): New function.
1427 
        (update_FR_latency): New function.
1428 
        (update_FRdouble_latency): New function.
1429 
        (decrease_ACC_busy): New function.
1430 
        (decrease_FR_busy): New function.
1431 
        (increase_FR_busy): New function.
1432 
        (update_ACC_latency): New function.
1433 
        (update_CCR_latency): New function.
1434 
        (update_idiv_resource_latency): New function.
1435 
        (update_fdiv_resource_latency): New function.
1436 
        (update_fsqrt_resource_latency): New function.
1437 
        (vliw_wait_for_GR): New function.
1438 
        (vliw_wait_for_GRdouble): New function.
1439 
        (vliw_wait_for_FR): New function.
1440 
        (vliw_wait_for_FRdouble): New function.
1441 
        (vliw_wait_for_CCR): New function.
1442 
        (vliw_wait_for_ACC): New function.
1443 
        (vliw_wait_for_idiv_resource): New function.
1444 
        (vliw_wait_for_fdiv_resource): New function.
1445 
        (vliw_wait_for_fsqrt_resource): New function.
1446 
        (enforce_full_fr_latency): New function.
1447 
        (frvbf_model_fr500_u_exec): New function.
1448 
        (frvbf_model_fr500_u_integer): New function.
1449 
        (frvbf_model_fr500_u_imul): New function.
1450 
        (frvbf_model_fr500_u_idiv): New function.
1451 
        (frvbf_model_fr500_u_branch): New function.
1452 
        (frvbf_model_fr500_u_set_hilo): New function.
1453 
        (frvbf_model_fr500_u_gr_load_store): New function.
1454 
        (frvbf_model_fr500_u_fr_load_store): New function.
1455 
        (frvbf_model_fr500_u_swap): New function.
1456 
        (frvbf_model_fr500_u_fr2fr): New function.
1457 
        (frvbf_model_fr500_u_fr2gr): New function.
1458 
        (frvbf_model_fr500_u_spr2gr): New function.
1459 
        (frvbf_model_fr500_u_gr2fr): New function.
1460 
        (frvbf_model_fr500_u_gr2spr): New function.
1461 
        (post_wait_for_FR): New function.
1462 
        (post_wait_for_FRdouble): New function.
1463 
        (post_wait_for_ACC): New function.
1464 
        (post_wait_for_CCR): New function.
1465 
        (post_wait_for_fdiv): New function.
1466 
        (post_wait_for_fsqrt): New function.
1467 
        (adjust_float_register_busy): New function.
1468 
        (adjust_double_register_busy): New function.
1469 
        (restore_float_register_busy): New function.
1470 
        (restore_double_register_busy): New function.
1471 
        (frvbf_model_fr500_u_float_arith): New function.
1472 
        (frvbf_model_fr500_u_float_dual_arith): New function.
1473 
        (frvbf_model_fr500_u_float_div): New function.
1474 
        (frvbf_model_fr500_u_float_sqrt): New function.
1475 
        (frvbf_model_fr500_u_float_compare): New function.
1476 
        (frvbf_model_fr500_u_float_dual_compare): New function.
1477 
        (frvbf_model_fr500_u_float_convert): New function.
1478 
        (frvbf_model_fr500_u_media): New function.
1479 
        (frvbf_model_fr500_u_barrier): New function.
1480 
        (frvbf_model_fr500_u_membar): New function.
1481 
        * frv-sim.h (LEUINT): New macro.
1482 
        (GET_HSR0_SA): New macro.
1483 
        (struct frv_interrupt_timer): New struct.
1484 
        (struct frv_interrupt_state): Add timer fiield.
1485 
        (frv_queue_external_interrupt): New function.
1486 
        (frv_external_interrupt): New function.
1487 
        (frv_profile_info): New function.
1488 
        (PROFILE_CACHE_IDX): New enumerator.
1489 
        (PROFILE_PARALLEL_IDX): New enumerator.
1490 
        (PROFILE_cache): New macro.
1491 
        (PROFILE_parallel): New macro.
1492 
        (WITH_PROFILE_CACHE_P): New macro.
1493 
        (WITH_PROFILE_PARALLEL_P): New macro.
1494 
        * cache.h (FRV_CACHE): Add last_was_hit field.
1495 
        * cache.c (get_tag): Use new last_was_hit field.
1496 
        (frv_cache_read): Ditto.
1497 
        (frv_cache_write): Ditto.
1498 
        * arch.h,cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1499 
 
1500 
1999-12-13  Dave Brolley
1501 
 
1502 
        * frv.c (frvbf_h_spr_set_handler): Handle accumulator guards.
1503 
        (frvbf_clear_all_accumulators): Pass frvbf_h_acc40S_set to
1504 
        sim_queue_fn_di_write.
1505 
        (frvbf_media_cut_ss): New function.
1506 
        * frv-sim.h (frvbf_media_cut_ss): New function.
1507 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1508 
 
1509 
1999-12-13  Dave Brolley
1510 
 
1511 
        * pipeline.c (check_insn_major_constraints): F-4, F-8 and M-8 have
1512 
        no constraints.
1513 
        * interrupts.c (frv_queue_illegal_instruction_interrupt): Use
1514 
        FRV_IS_FLOAT_INSN and FRV_IS_MEDIA_INSN.
1515 
        (frv_detect_insn_access_interrupts): Use FRV_IS_FLOAT_INSN and
1516 
        FRV_IS_MEDIA_INSN.
1517 
        * frv.c (frvbf_model_simple_u_exec): New function.
1518 
        * frv-sim.h (FRV_IS_FLOAT_INSN): Range includes F-8.
1519 
        (FRV_IS_MEDIA_INSN): Range includes M-8.
1520 
 
1521 
        * Makefile.in (stamp-cpu): add 'simple' to the list of machines.
1522 
        * arch.c,arch.h,cpu.h,cpuall.h,decode.c,decode.h,model.c,sem.c:
1523 
        Regenerate.
1524 
 
1525 
1999-12-10  Dave Brolley
1526 
 
1527 
        * traps.c (check_registers_available): New function.
1528 
        (clear_ne_flags): Generate register_exception if register(s) not
1529 
        available.
1530 
        (frvbf_commit): Generate register_exception if register(s) not
1531 
        available.
1532 
        * interrupts.c (frv_program_or_software_interrupt): No need to copy
1533 
        GR4-GR7 to SR0-SR4.
1534 
        * frv.c (frvbf_h_psr_set_handler): Special handling for PSR.S and
1535 
        PSR.ESR.
1536 
        (frvbf_h_psr_s_set_handler): New function.
1537 
        (frvbf_h_psr_esr_set_handler): New function.
1538 
        (frvbf_switch_supervisor_user_context): New function.
1539 
        (frvbf_scan_result): Reflect latest ISA.
1540 
        * frv-sim.h (frvbf_h_psr_s_set_handler): New function.
1541 
        (frvbf_h_psr_esr_set_handler): New function.
1542 
        (frvbf_switch_supervisor_user_context): New function.
1543 
        (GET_HSR0_FRN): New Macro.
1544 
        (GET_HSR0_GRN): New Macro.
1545 
        (GET_HSR0_FRHE): New Macro.
1546 
        (GET_HSR0_FRLE): New Macro.
1547 
        (GET_HSR0_GRHE): New Macro.
1548 
        (GET_HSR0_GRLE): New Macro.
1549 
        (frv_ec): New value for FRV_EC_COMMIT_EXCEPTION.
1550 
        (GET_ESFR): New bit ordering.
1551 
        (SET_ESFR): New bit ordering.
1552 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1553 
 
1554 
1999-12-10  Michael Meissner
1555 
 
1556 
        * Makefile.in (sim-if.o): Add eng.h dependency.
1557 
 
1558 
1999-12-09  Dave Brolley
1559 
 
1560 
        * mloop.in (execute): Pass sc->first_insn_p to @cpu@_model_insn_before.
1561 
        Pass sc->last_insn_p to @cpu@_model_insn_before.
1562 
        (main loop): Compute sc->first_insn_p.
1563 
        * frv.c (frvbf_model_insn_before): Set state variables.
1564 
        (frvbf_model_insn_after): Count basic cycles. Set state variables.
1565 
        (frvbf_model_fr500_u_integer): Remove.
1566 
        * arch.h,cpu.h,decode.h,model.c: Regenerate.
1567 
 
1568 
1999-12-07  Dave Brolley
1569 
 
1570 
        * sim-main.h (cache.h): Include it.
1571 
        (insn_cache): New member.
1572 
        (data_cache): New member.
1573 
        (CPU_INSN_CACHE): New macro.
1574 
        (CPU_DATA_CACHE): New macro.
1575 
        * sim-if.c (WANT_CPU): New macro.
1576 
        (WANT_CPU_FRVBF): New macro.
1577 
        (sim_open): Call sim_add_option_table. Call frv_cache_init for the
1578 
        data and insn caches for each cpu.
1579 
        (sim_close): Call frv_cache_term for the insn and data caches of each
1580 
        cpu.
1581 
        * mloop.in (extract): Read insn from the cache.
1582 
        (main loop): Access the insn cache in order to maintain stats.
1583 
        * memory.c (data_non_cache_access): New function.
1584 
        (insn_non_cache_access): New function.
1585 
        (frvbf_read_mem_QI): Attempt to read from the cache first.
1586 
        (frvbf_read_mem_UQI): Ditto.
1587 
        (frvbf_read_mem_HI): Ditto.
1588 
        (frvbf_read_mem_UHI): Ditto.
1589 
        (frvbf_read_mem_SI): Ditto.
1590 
        (frvbf_read_mem_DI): Ditto.
1591 
        (frvbf_read_mem_DF): Ditto.
1592 
        (frvbf_read_imem_USI): New function.
1593 
        (frvbf_write_mem_QI): Write through the cache is it is enabled.
1594 
        (frvbf_write_mem_UQI): Ditto.
1595 
        (frvbf_write_mem_HI): Ditto.
1596 
        (frvbf_write_mem_UHI): Ditto.
1597 
        (frvbf_write_mem_SI): Ditto.
1598 
        (frvbf_write_mem_DI): Ditto.
1599 
        (frvbf_write_mem_DF): Ditto.
1600 
        (frvbf_mem_set_QI): New function.
1601 
        (frvbf_mem_set_HI): New function.
1602 
        (frvbf_mem_set_SI): New function.
1603 
        (frvbf_mem_set_DI): New function.
1604 
        (frvbf_mem_set_DF): New function.
1605 
        (frvbf_mem_set_XI): New function.
1606 
        * interrupts.c (frv_save_data_written_for_interrupts): Handle
1607 
        CGEN_FN_MEM_QI_WRITE,
1608 
        CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE,
1609 
        CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE.
1610 
        * frv.c (frvbf_load_quad_GR): Call frvbf_read_mem_SI.
1611 
        Call sim_queue_fn_mem_xi_write.
1612 
        (frvbf_load_quad_FRint): Call frvbf_read_mem_SI.
1613 
        Call sim_queue_fn_mem_xi_write.
1614 
        (frvbf_load_quad_CPR): Call frvbf_read_mem_SI.
1615 
        Call sim_queue_fn_mem_xi_write.
1616 
        (frvbf_insn_cache_preload): New function.
1617 
        (frvbf_data_cache_preload): New function.
1618 
        (frvbf_insn_cache_unlock): New function.
1619 
        (frvbf_data_cache_unlock): New function.
1620 
        (frvbf_insn_cache_invalidate): New function.
1621 
        (frvbf_data_cache_invalidate): New function.
1622 
        (frvbf_data_cache_flush): New function.
1623 
        * frv-sim.h (sim-options.h): Include it.
1624 
        (GET_HSR0): New macro.
1625 
        (SET_HSR0): New macro.
1626 
        (GET_HSR0_ICE): New macro.
1627 
        (SET_HSR0_ICE): New macro.
1628 
        (GET_HSR0_DCE): New macro.
1629 
        (SET_HSR0_DCE): New macro.
1630 
        (GET_HSR0_CBM): New macro.
1631 
        (GET_HSR0_RME): New macro.
1632 
        (GET_IHSR8): New macro.
1633 
        (GET_IHSR8_NBC): New macro.
1634 
        (frvbf_insn_cache_preload): New function.
1635 
        (frvbf_data_cache_preload): New function.
1636 
        (frvbf_insn_cache_unlock): New function.
1637 
        (frvbf_data_cache_unlock): New function.
1638 
        (frvbf_insn_cache_invalidate): New function.
1639 
        (frvbf_data_cache_invalidate): New function.
1640 
        (frvbf_data_cache_flush): New function.
1641 
        (insn_non_cache_access): New function.
1642 
        (frvbf_read_imem_USI): New function.
1643 
        (frvbf_mem_set_QI): New function.
1644 
        (frvbf_mem_set_HI): New function.
1645 
        (frvbf_mem_set_SI): New function.
1646 
        (frvbf_mem_set_DI): New function.
1647 
        (frvbf_mem_set_DF): New function.
1648 
        (frvbf_mem_set_XI): New function.
1649 
        (frv_options): FRV specific command line options.
1650 
        * Makefile.in (SIM_OBJS): Add options.o and cache.o.
1651 
        (SIM_EXTRA_DEPS): Add $(sim-options_h).
1652 
        (cache.o): New target.
1653 
        (options.o): New target.
1654 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1655 
        * cache.h: New file.
1656 
        * cache.c: New file.
1657 
        * options.c: New file.
1658 
 
1659 
1999-11-29  Dave Brolley
1660 
 
1661 
        * traps.c (frvbf_check_non_excepting_load): Use new NE_FLAG macros.
1662 
        (frvbf_check_non_excepting_divide): Ditto.
1663 
        (clear_ne_flags): Ditto
1664 
        (frvbf_commit): Ditto.
1665 
        * pipeline.c (frv_pipeline_add_insn): Clear the NE index for all insns.
1666 
        * mloop.in (_parallel_write_init): Clear NE flags here.
1667 
        * interrupts.c (frv_queue_fp_exception_interrupt): Set NE flags here
1668 
        for non excepting insns. Also check for masked interrupts here.
1669 
        (frv_process_interrupts): Write NE flags here.
1670 
        (set_fp_exception_registers): No longer check for masked interrupts
1671 
        here.
1672 
        (check_for_compound_interrupt): No need to worry about masked
1673 
        interrupts.
1674 
        * frv-sim.h (frv_interrupt_state): Add f_ne_flags member.
1675 
        (GET_NE_FLAGS): New macro.
1676 
        (SET_NE_FLAGS): New macro.
1677 
        (GET_NE_FLAG): Operate on accumulated argument.
1678 
        (SET_NE_FLAG): Operate on accumulated argument.
1679 
        (CLEAR_NE_FLAG): Operate on accumulated argument.
1680 
        * Makefile.in (FRVBF_INCLUDE_DEPS): Add $(SIM_EXTRA_DEPS)
1681 
        (frv.o): Correct dependencies.
1682 
        (traps.o): Ditto.
1683 
        (pipeline.o): Ditto.
1684 
        (interrupts.o): Ditto.
1685 
        (memory.o): Ditto.
1686 
        * sem.c: Regenerate.
1687 
 
1688 
1999-11-26  Dave Brolley
1689 
 
1690 
        * traps.c (frvbf_fpu_error): Only call frv_queue_fp_exception if
1691 
        there is an exception indicated in the mask.
1692 
        * pipeline.c (frv_pipeline_add_insn): Clear ne_index in the interrupt
1693 
        state when adding a floating point insn to the pipeline.
1694 
        * interrupts.c (set_fp_exception_registers): Set NE flag for
1695 
        non-excepting insns.
1696 
        * frv-sim.h (frvbf_h_fr_double_get_handler): Mode of data is DF.
1697 
        (frvbf_h_fr_double_set_handler): Mode of data is DF.
1698 
        (frvbf_h_fr_int_get_handler): New function.
1699 
        (frvbf_h_fr_int_set_handler): New function.
1700 
        (frvbf_set_ne_index): New function.
1701 
        (NE_NOFLAG): New macro.
1702 
        (frv_interrupt_state): Add ne_index member.
1703 
        * frv.c (frvbf_h_fr_double_get_handler): Mode of data is DF.
1704 
        (frvbf_h_fr_double_set_handler): Mode of data is DF.
1705 
        (frvbf_h_fr_int_get_handler): New function.
1706 
        (frvbf_h_fr_int_set_handler): New function.
1707 
        (frvbf_set_ne_index): New function.
1708 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1709 
 
1710 
1999-11-24  Dave Brolley
1711 
 
1712 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1713 
 
1714 
1999-11-23  Dave Brolley
1715 
 
1716 
        * frv-sim.h (frvbf_media_cut): New function.
1717 
        * frv.c (frvbf_media_cut): New function.
1718 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1719 
 
1720 
1999-11-22  Dave Brolley
1721 
 
1722 
        * frv-sim.h (frvbf_clear_all_accumulators): New function.
1723 
        * frv.c.h (frvbf_clear_all_accumulators): New function.
1724 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1725 
 
1726 
1999-11-18  Dave Brolley
1727 
 
1728 
        * pipeline.c (frv_pipeline_add_insn): Only clear MSR0 and FSR0 fields
1729 
        if this is the first insn of its class in the pipeline.
1730 
        * frv-sim.h (frvbf_media_register_not_aligned): New function.
1731 
        * traps.c (frvbf_media_register_not_aligned): New function.
1732 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1733 
 
1734 
1999-11-17  Dave Brolley
1735 
 
1736 
        * pipeline.c (frv_pipeline_add_insn): Clear MSRx.SIE fields.
1737 
        * frv-sim.h (OR_MSR_SIE): New macro.
1738 
        (CLEAR_MSR_SIE): New macro.
1739 
        (frvbf_media_overflow): Now takes sie argument.
1740 
        (frv_set_mp_exception_registers): Now takes sie argument.
1741 
        * interrupts.c (frv_set_mp_exception_registers): Now takes sie argument.
1742 
        Set MSRx.SIE field.
1743 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1744 
 
1745 
1999-11-15  Dave Brolley
1746 
 
1747 
        * traps.c (frv_mtrap): New function.
1748 
        (frvbf_media_cr_not_aligned): New function.
1749 
        (frvbf_media_acc_not_aligned): New function.
1750 
        (frvbf_media_overflow): New function.
1751 
        * pipeline.c (frv_pipeline_add_insn): Clear MSR fields.
1752 
        * interrupts.c: Call frv_set_mp_exception_registers.
1753 
        (frv_set_mp_exception_registers): New function.
1754 
        * frv-sim.h (frv_msr_mtt): New enumeration.
1755 
        (GET_MSR): New macro.
1756 
        (SET_MSR): New macro.
1757 
        (GET_MSR_AOVF): New macro.
1758 
        (SET_MSR_AOVF): New macro.
1759 
        (GET_MSR_OVF): New macro.
1760 
        (SET_MSR_OVF): New macro.
1761 
        (CLEAR_MSR_OVF): New macro.
1762 
        (GET_MSR_MTT): New macro.
1763 
        (SET_MSR_MTT): New macro.
1764 
        (frv_set_mp_exception_registers): New function.
1765 
        (frv_mtrap): New function.
1766 
        (FRV_IS_MEDIA_INSN): New macro.
1767 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1768 
 
1769 
1999-11-10  Dave Brolley
1770 
 
1771 
        * sim-main.h (_sim_cpu): Add debug_state member.
1772 
        * mloop.in (_parallel_write_queued): Clear data_written.length.
1773 
        * interrupts.c (frv_interrupt_table): Offset of BREAK_EXCEPTION
1774 
        handler is 0xff.
1775 
        (frv_queue_break_interrupt): New function.
1776 
        (frv_break_interrupt): New function.
1777 
        (handle_interrupt): Handle break_interrupt.
1778 
        (frv_non_operating_interrupt): Now takes interrupt_kind.
1779 
        * frv-sim.h (frv_queue_break_interrupt): New function.
1780 
        (frv_break_interrupt): New function.
1781 
        (frv_break): New function.
1782 
        (frv_non_operating_interrupt): Now takes interrupt_kind.
1783 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
1784 
 
1785 
1999-11-09  Dave Brolley
1786 
 
1787 
        * pipeline.c (frv_pipeline_add_insn): Clear FSR0.FTT when adding
1788 
        a floating point insn.
1789 
        * traps.c (frvbf_fpu_error): Map fpu status to frv interrupts.
1790 
        * interrupts.c (frv_queue_illegal_instruction_interrupt): Call
1791 
        frv_queue_fp_exception_interrupt.
1792 
        (frv_queue_fp_exception_interrupt): New function.
1793 
        (next_available_fq): New function.
1794 
        (set_fp_exception_registers): New function.
1795 
        (set_exception_status_registers): Now returns 1 if interrupt not masked.
1796 
        (check_for_compound_interrupt): Now returns NULL if interrupt masked.
1797 
        (frv_program_interrupt): Don't process interrupt if it is masked.
1798 
        * frv.c (frvbf_h_fr_double_get_handler): Call
1799 
        frv_queue_fp_exception_interrupt.
1800 
        (frvbf_h_fr_double_set_handler): Call frv_queue_fp_exception_interrupt.
1801 
        (frvbf_h_fr_quad_set_handler): Call frv_queue_fp_exception_interrupt.
1802 
        (frvbf_store_quad_FRint): Call frv_queue_fp_exception_interrupt.
1803 
        * frv-sim.h: Get/set hardware directly in GET/SET macros.
1804 
        (frv_fp_exception_info): New struct type.
1805 
        (frv_interrupt_queue_element): Add fp_info member.
1806 
        (frv_fsr_traps): New enumeration.
1807 
        (frv_fsr_ftt): New enumeration.
1808 
        (frv_sie): New enumeration.
1809 
        (frv_miv): New enumeration.
1810 
        (GET_FSR): New macro.
1811 
        (SET_FSR): New macro.
1812 
        (GET_FSR_TEM): New macro.
1813 
        (SET_FSR_QNE): New macro.
1814 
        (SET_FSR_FTT): New macro.
1815 
        (GET_FSR_AEXC): New macro.
1816 
        (SET_FSR_AEXC): New macro.
1817 
        (GET_FQ): New macro.
1818 
        (SET_FQ): New macro.
1819 
        (SET_FQ_OPC): New macro.
1820 
        (SET_FQ_MIV): New macro.
1821 
        (SET_FQ_SIE): New macro.
1822 
        (SET_FQ_FTT): New macro.
1823 
        (SET_FQ_CEXC): New macro.
1824 
        (GET_FQ_VALID): New macro.
1825 
        (SET_FQ_VALID): New macro.
1826 
        (frv_queue_fp_exception_interrupt): New function.
1827 
        (FRV_IS_FLOAT_INSN): New macro.
1828 
 
1829 
1999-11-04  Dave Brolley
1830 
 
1831 
        * traps.c (frvbf_fpu_error): No floating point errors need to be
1832 
        detected.
1833 
        * interrupts.c (clear_exception_status_registers): Clear 'valid' fields
1834 
        of the ESR registers too.
1835 
        (set_exception_status_registers): Don't set EAR for any precise
1836 
        interrupts. Register index should be 1 for insns in PIPE_I1. Clear
1837 
        ESR.EAV and ESR.EDV if not setting them. Set ESR.VALID.
1838 
        (non_operating_interrupt): No need for return code.
1839 
        (frv_program_or_software_interrupt): Process interrupt regardless
1840 
        of operating mode. If PSR.ET was not set at the start of processing,
1841 
        then stop the simulation with a message.
1842 
        (frv_save_data_written_for_interrupts): Handle CGEN_FN_XI_WRITE and
1843 
        CGEN_MEM_XI_WRITE.
1844 
        * frv.c (frvbf_h_gr_quad_set_handler): New function.
1845 
        (frvbf_h_fr_quad_set_handler): New function.
1846 
        (frvbf_h_cpr_quad_set_handler): New function.
1847 
        (frvbf_load_quad_GR): Renamed from frvbf_load_multiple_GR. Use new
1848 
        sim_queue_fn_xi_write.
1849 
        (frvbf_load_quad_FRint): Renamed from frvbf_load_multiple_GR. Use new
1850 
        sim_queue_fn_xi_write.
1851 
        (frvbf_load_quad_CPR): Renamed from frvbf_load_multiple_GR. Use new
1852 
        sim_queue_fn_xi_write.
1853 
        (frvbf_store_quad_GR): Renamed from frvbf_store_multiple_GR. Use new
1854 
        sim_queue_mem_xi_write.
1855 
        (frvbf_store_quad_FRint): Renamed from frvbf_store_multiple_GR. Use new
1856 
        sim_queue_mem_xi_write.
1857 
        (frvbf_store_quad_CPR): Renamed from frvbf_store_multiple_GR. Use new
1858 
        sim_queue_mem_xi_write.
1859 
        * frv-sim.h (frvbf_h_gr_quad_set_handler): New function.
1860 
        (frvbf_h_fr_quad_set_handler): New function.
1861 
        (frvbf_h_cpr_quad_set_handler): New function.
1862 
        (SET_ESR_VALID): New macro.
1863 
        (CLEAR_ESR_VALID): New macro.
1864 
        (CLEAR_ESR_EAV): New macro.
1865 
        (CLEAR_ESR_EDV): New macro.
1866 
        * sem.c: Regenerate.
1867 
 
1868 
1999-11-02  Dave Brolley
1869 
 
1870 
        * traps.c (frv_core_signal): Call
1871 
        frv_queue_mem_address_not_aligned_interrupt.
1872 
        * mloop.in (_parallel_write_queued): Call
1873 
        frv_save_data_written_for_interrupts.
1874 
        * frv.c (frvbf_h_gr_double_get_handler): Call
1875 
        frv_queue_register_exception_interrupt.
1876 
        (frvbf_h_cpr_double_get_handler): Call
1877 
        frv_queue_register_exception_interrupt.
1878 
        (frvbf_h_cpr_double_set_handler): Call
1879 
        frv_queue_register_exception_interrupt.
1880 
        (frvbf_load_multiple_GR): Call
1881 
        frv_queue_register_exception_interrupt.
1882 
        (frvbf_store_multiple_GR): Call
1883 
        frv_queue_register_exception_interrupt.
1884 
        (frvbf_load_multiple_CPR): Call
1885 
        frv_queue_register_exception_interrupt.
1886 
        (frvbf_store_multiple_CPR): Call
1887 
        frv_queue_register_exception_interrupt.
1888 
        (frvbf_h_tbr_get_handler): Fix TBR.TBA mask.
1889 
        * interrupts.c (frv_queue_software_interrupt): Now returns interrupt
1890 
        queue element.
1891 
        (frv_queue_program_interrupt): Now returns interrupt queue element.
1892 
        (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1893 
        element.
1894 
        (frv_queue_interrupt): Now returns interrupt queue element.
1895 
        (frv_queue_register_exception_interrupt): New function.
1896 
        (frv_queue_mem_address_not_aligned_interrupt): New function.
1897 
        (frv_save_data_written_for_interrupts): New function.
1898 
        (next_available_edr): EDR registers available in blocks of 4.
1899 
        (clear_exception_status_registers): New function.
1900 
        (set_exception_status_registers): Pass esr to SET_ESR* macros.
1901 
 
1902 
        * frv-sim.h (struct frv_data_written): New struct type.
1903 
        (frv_interrupt_queue_element): Add data_written member.
1904 
        (frv_queue_software_interrupt): Now returns interrupt queue element.
1905 
        (frv_queue_program_interrupt): Now returns interrupt queue element.
1906 
        (frv_queue_illegal_instruction_interrupt): Now returns interrupt queue
1907 
        element.
1908 
        (frv_queue_interrupt): Now returns interrupt queue element.
1909 
        (frv_queue_register_exception_interrupt): New function.
1910 
        (frv_queue_mem_address_not_aligned_interrupt): New function.
1911 
        (frv_save_data_written_for_interrupts): New function.
1912 
 
1913 
1999-10-27  Dave Brolley
1914 
 
1915 
        * interrupts.c (ITABLE_ENTRY): New macro.
1916 
        (frv_interrupt_table): Add exception codes.
1917 
        (next_available_esr): New function.
1918 
        (next_available_edr): New function.
1919 
        (set_edr_register): New function.
1920 
        (set_exception_status_registers): New function.
1921 
        (check_for_compound_interrupt): Record information on all interrupts
1922 
        found.
1923 
        (frv_program_interrupt): Always call check_for_compound_interrupt.
1924 
        * frv.c (frvbf_h_pc_set_handler): Removed.
1925 
        (frvbf_h_spr_get_handler): Handle LR register.
1926 
        (frvbf_h_spr_set_handler): Handle LR register.
1927 
        (frvbf_h_lr_get_handler): New function.
1928 
        (frvbf_h_lr_set_handler): New function.
1929 
        * frv-sim.h (frvbf_h_lr_get_handler): New function.
1930 
        (frvbf_h_lr_set_handler): New function.
1931 
        (frv_ec): New enumeration.
1932 
        (frv_interrupt): Add frv_ec field.
1933 
        (frv_rec): New enumeration.
1934 
        (frv_daec): New enumeration.
1935 
        (frv_interrupt_queue_element): Add eaddress, rec, iaec, daec fields.
1936 
        (SET_ESR_EC): New macro.
1937 
        (SET_ESR_REC): New macro.
1938 
        (SET_ESR_IAEC): New macro.
1939 
        (SET_ESR_DAEC): New macro.
1940 
        (SET_ESR_EAV): New macro.
1941 
        (GET_ESR_EDV): New macro.
1942 
        (SET_ESR_EDV): New macro.
1943 
        (GET_ESR_EDN): New macro.
1944 
        (SET_ESR_EDN): New macro.
1945 
        (GET_ESR): New macro.
1946 
        (SET_ESR): New macro.
1947 
        (SET_EPCR): New macro.
1948 
        (SET_EAR): New macro.
1949 
        (SET_EDR): New macro.
1950 
        (GET_ESFR): New macro.
1951 
        (SET_ESFR): New macro.
1952 
        * cpu.c,cpu.h,sem.c: Rebuild.
1953 
 
1954 
1999-10-26  Dave Brolley
1955 
 
1956 
        * traps.c (frvbf_check_non_excepting_load): Only set NESR, NECR, NEEAR
1957 
        if mach is frv.
1958 
        (clear_nesr_neear): Only execute if mach is frv.
1959 
 
1960 
1999-10-22  Dave Brolley
1961 
 
1962 
        * sim-main.h (sim_cpu): Add pipeline.
1963 
        (CPU_PIPELINE): New macro.
1964 
        * mloop.in (_parallel_write_queued): Maintain pc in cpu during writes.
1965 
        (main loop): Maintain pc in cpu.
1966 
        * frv-sim.h (frv_queue_software_interrupt): New interface.
1967 
        (frv_queue_program_interrupt): New interface.
1968 
        (frv_queue_illegal_instruction_interrupt: New interface.
1969 
        (frv_queue_interrupt): New interface.
1970 
        (frv_detect_insn_access_interrupts): New interface.
1971 
        (frv_process_interrupts): New interface.
1972 
        (frv_program_interrupt): New interface.
1973 
        (frv_software_interrupt): New interface.
1974 
        (frv_program_or_software_interrupt): New interface.
1975 
        (FRV_PIPELINE): Moved from pipline.c.
1976 
        (frv_pipeline_reset): New interface.
1977 
        (frv_pipeline_add_insn): New interface.
1978 
        * interrupts.c (frv_queue_software_interrupt): New interface.
1979 
        (frv_queue_program_interrupt): New interface.
1980 
        (frv_queue_illegal_instruction_interrupt: New interface.
1981 
        (frv_queue_interrupt): New interface.
1982 
        (frv_detect_insn_access_interrupts): New interface.
1983 
        (frv_process_interrupts): New interface.
1984 
        (frv_program_interrupt): New interface.
1985 
        (frv_software_interrupt): New interface.
1986 
        (frv_program_or_software_interrupt): New interface.
1987 
        * frv.c: Use new interfaces.
1988 
        * pipeline.c: Use new interfaces.
1989 
        * traps.c: Use new interfaces.
1990 
        * memory.c: Use new interfaces.
1991 
        (frv_address_forbidden): No longer static.
1992 
 
1993 
1999-10-19  Dave Brolley
1994 
 
1995 
        * traps.c (frvbf_check_non_excepting_load): Set NESR.DAEC, NESR.REC and
1996 
        NESR.EC.
1997 
        * mloop.in (_parallel_write_queued): Handle CGEN_FN_PC_WRITE.
1998 
        * frv.c (frvbf_h_pc_set_handler): New function.
1999 
        * interrupts.c (frv_detect_data_interrupt): Removed.
2000 
        (address_forbidden): Removed.
2001 
        * frv-sim.h (frv_detect_data_interrupt): Removed.
2002 
        (NESR_MEM_ADDRESS_NOT_ALIGNED): New macro.
2003 
        (NESR_REGISTER_NOT_ALIGNED): New macro.
2004 
        (NESR_UQI_SIZE): New macro.
2005 
        (NESR_QI_SIZE): New macro.
2006 
        (NESR_UHI_SIZE): New macro.
2007 
        (NESR_HI_SIZE): New macro.
2008 
        (NESR_SI_SIZE): New macro.
2009 
        (NESR_DI_SIZE): New macro.
2010 
        (NESR_XI_SIZE): New macro.
2011 
        (GET_NESR_DAEC): New macro.
2012 
        (SET_NESR_DAEC): New macro.
2013 
        (GET_NESR_REC): New macro.
2014 
        (SET_NESR_REC): New macro.
2015 
        (GET_NESR_EC): New macro.
2016 
        (SET_NESR_EC): New macro.
2017 
        (frvbf_read_mem_QI): New function.
2018 
        (frvbf_read_mem_UQI): New function.
2019 
        (frvbf_read_mem_HI): New function.
2020 
        (frvbf_read_mem_UHI): New function.
2021 
        (frvbf_read_mem_SI): New function.
2022 
        (frvbf_read_mem_WI): New function.
2023 
        (frvbf_read_mem_DI): New function.
2024 
        (frvbf_read_mem_DF): New function.
2025 
        (frvbf_write_mem_QI): New function.
2026 
        (frvbf_write_mem_UQI): New function.
2027 
        (frvbf_write_mem_HI): New function.
2028 
        (frvbf_write_mem_UHI): New function.
2029 
        (frvbf_write_mem_SI): New function.
2030 
        (frvbf_write_mem_WI): New function.
2031 
        (frvbf_write_mem_DI): New function.
2032 
        (frvbf_write_mem_DF): New function.
2033 
        * Makefile.in (SIM_OBJS): Add memory.o.
2034 
        * cpu.c,cpu.h,sem.c: Rebuild.
2035 
 
2036 
1999-10-18  Dave Brolley
2037 
 
2038 
        * sim-if.c (sim_open): Use a real fpu error function.
2039 
        * pipeline.c (frv_pipeline_add_insn): Don't add invalid insns.
2040 
        * mloop.in (_parallel_write_queued): Clear queue after writing.
2041 
        * interrupts.c (check_for_compound_interrupt): New function.
2042 
        (non_operating_interrupt): New function.
2043 
        * frv-sim.h (frvbf_h_gr_double_get_handler): New function.
2044 
        (frvbf_h_gr_double_set_handler): New function.
2045 
        (frvbf_h_fr_double_get_handler): New function.
2046 
        (frvbf_h_fr_double_set_handler): New function.
2047 
        (frvbf_h_cpr_double_get_handler): New function.
2048 
        (frvbf_h_cpr_double_set_handler): New function.
2049 
        (frv_interrupt_queue_element): New struct type.
2050 
        (frv_queue_program_interrupt): Now takes pc.
2051 
        (frv_queue_illegal_instruction_interrupt): Now takes pc.
2052 
        (frv_queue_interrupt): Now takes pc.
2053 
        (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2054 
        (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2055 
        (frvbf_division_exception): New function.
2056 
        (frvbf_fpu_error): New function.
2057 
        (frvbf_load_multiple_GR): New function.
2058 
        (frvbf_load_multiple_FR): New function.
2059 
        (frvbf_load_multiple_CPR): New function.
2060 
        * frv.c (frvbf_h_gr_double_get_handler): New function.
2061 
        (frvbf_h_gr_double_set_handler): New function.
2062 
        (frvbf_h_fr_double_get_handler): New function.
2063 
        (frvbf_h_fr_double_set_handler): New function.
2064 
        (frvbf_h_cpr_double_get_handler): New function.
2065 
        (frvbf_h_cpr_double_set_handler): New function.
2066 
        (frv_interrupt_queue_element): New struct type.
2067 
        (frv_queue_program_interrupt): Now takes pc.
2068 
        (frv_queue_illegal_instruction_interrupt): Now takes pc.
2069 
        (frv_queue_interrupt): Now takes pc.
2070 
        (frv_program_interrupt): Now takes frv_interrupt_queue_element.
2071 
        (frv_software_interrupt): Now takes frv_interrupt_queue_element.
2072 
        (frvbf_fpu_error): New function.
2073 
        (frvbf_load_multiple_GR): New function.
2074 
        (frvbf_load_multiple_FR): New function.
2075 
        (frvbf_load_multiple_CPR): New function.
2076 
        * traps.c (frvbf_division_exception): New function.
2077 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2078 
 
2079 
1999-10-12  Dave Brolley
2080 
 
2081 
        * mloop.in (new_vpc): New variable.
2082 
        (main loop): Call frv_detect_insn_access_interrupts. Call
2083 
        frv_detect_data_interrupts.
2084 
        * interrupts.c (access_queued_to): New function.
2085 
        (frv_detect_data_interrupts): New function.
2086 
        (frv_detect_insn_access_interrupts): New function.
2087 
        (frv_program_or_software_interrupt): Set PSR.S.
2088 
        * frv-sim.h (frv_detect_data_interrupts): New function.
2089 
        (frv_detect_insn_interrupts): New function.
2090 
 
2091 
1999-10-07  Dave Brolley
2092 
 
2093 
        * frv-sim.h (frvbf_h_gr_hi_get_handler): New function.
2094 
        (frvbf_h_gr_hi_set_handler): New function.
2095 
        (frvbf_h_gr_lo_get_handler): New function.
2096 
        (frvbf_h_gr_lo.set_handler): New function.
2097 
        * frv.c (frvbf_h_gr_hi_get_handler): New function.
2098 
        (frvbf_h_gr_hi_set_handler): New function.
2099 
        (frvbf_h_gr_lo_get_handler): New function.
2100 
        (frvbf_h_gr_lo.set_handler): New function.
2101 
        (frvbf_model_fr500_u_integer): New function.
2102 
        * arch.h,cpu.h,cpu.c,decode.h,decode.c,model.c,sem.c: Rebuild.
2103 
 
2104 
1999-10-04  Dave Brolley
2105 
 
2106 
        * traps.c: Use sim_engine_abort.
2107 
        * pipeline.c (frv_pipeline): Add field for insn major.
2108 
        (add_next_to_pipe): Return address of matching pipeline.
2109 
        (find_major_in_pipeline): New function.
2110 
        (check_insn_major_constraints: New function.
2111 
        (frv_pipeline_add_insn): Add checks for insn major constraints.
2112 
        * interrupts.c (frv_process_interrupts): Use sim_engine_abort.
2113 
        * frv.c (frvbf_h_spr_get_handler): No need to abort.
2114 
 
2115 
Thu Sep 30 18:10:25 1999  Dave Brolley
2116 
 
2117 
        * pipeline.c: New file.
2118 
        * mloop.in (main loop): Call frv_pipeline_reset.
2119 
        Call frv_pipeline_add_insn.
2120 
        * frv-sim.h (frv_pipeline_reset): New function.
2121 
        (frv_pipeline_add_insn): New function.
2122 
        * Makefile.in (SIM_OBJS): Add pipeline.o
2123 
 
2124 
1999-09-29  Doug Evans
2125 
 
2126 
        * sem.c: Rebuild.
2127 
        * traps.c (sim_engine_invalid_insn): New arg `vpc'.  Change type of
2128 
        result to SEM_PC.  Return vpc.
2129 
 
2130 
Wed Sep 29 16:01:52 1999  Dave Brolley
2131 
 
2132 
        * interrupts.c (frv_interrupt_table): DATA_STORE_ERROR is imprecise.
2133 
        (frv_queue_interrupt): Don't detect identical interrupts here.
2134 
 
2135 
Wed Sep 29 14:49:52 1999  Dave Brolley
2136 
 
2137 
        * interrupts.c: New file.
2138 
        * traps.c (sim_engine_invalid_insn): Return PC of next insn.
2139 
        (frv_software_interrupt): Moved to interrupts.c.
2140 
        (frv_itrap): New interface. Call frv_queue_software_interrupt.
2141 
        * mloop.in (@cpu@_parallel_write_init): set previous_vliw_pc.
2142 
        (@cpu@_perform_writeback): New function.
2143 
        (main loop): Call frv_process_interrupts.
2144 
        * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2145 
        (frv_itrap): New interface.
2146 
        (frv_interrupt_class): New enumeration.
2147 
        (frv_interrupt_kind): New enumeration.
2148 
        (struct frv_interrupt): New struct type.
2149 
        (frv_interrupt_table): New table of interrupt information.
2150 
        (FRV_INTERRUPT_QUEUE_SIZE): New macro.
2151 
        (struct frv_interrupt_state): New struct type.
2152 
        (frv_interrupt_state): New global variable.
2153 
        (previous_vliw_pc): New global variable.
2154 
        (frv_queue_software_interrupt): New function.
2155 
        (frv_queue_program_interrupt): New function.
2156 
        (frv_queue_interrupt): New function.
2157 
        (frv_process_interrupts): New function.
2158 
        (frv_program_interrupt): New function.
2159 
        (frv_software_interrupt): New function.
2160 
        (frv_program_or_software_interrupt): New function.
2161 
        (frv_clear_interrupt_classes): New function.
2162 
        * frv.c (frvbf_write_next_vliw_addr_to_PCSR): Removed.
2163 
        * Makefile.in (SIM_OBJS): Add interrupts.o
2164 
        * sem.c: Rebuild.
2165 
 
2166 
1999-09-25  Doug Evans
2167 
 
2168 
        * cpu.h,cpuall.h,decode.c,sem.c: Rebuild.
2169 
 
2170 
Tue Sep 21 17:16:47 1999  Dave Brolley
2171 
 
2172 
        * mloop.in (main loop): Determine last insn from scache entry.
2173 
        * cpu.h: Rebuild.
2174 
        * cpuall.h: Rebuild.
2175 
 
2176 
Tue Sep 14 14:21:31 1999  Dave Brolley
2177 
 
2178 
        * frv-sim.h (frvbf_write_next_vliw_addr_to_PCSR): New flag.
2179 
        (NECR_ELOS): Define as unshifted value.
2180 
        (NECR_NEN): Define as unshifted value.
2181 
        (NECR_VALID): Define as unshifted value.
2182 
        (SET_NESR): Rewite to use post-write queue.
2183 
        (SET_NESR_VALID): Rewite to operate on argument.
2184 
        (SET_NESR_EAV): Rewite to operate on argument.
2185 
        (SET_NESR_FR): Rewite to operate on argument.
2186 
        (CLEAR_NESR_FR): Rewite to operate on argument.
2187 
        (SET_NESR_DRN): Rewite to operate on argument.
2188 
        (SET_NESR_SIZE): Rewite to operate on argument.
2189 
        (SET_NESR_NEAN): Rewite to operate on argument.
2190 
        (SET_NEEAR): Rewite to use post-write queue.
2191 
        (SET_NE_FLAG): Rewite to use post-write queue.
2192 
        (CLEAR_NE_FLAG): Rewite to use post-write queue.
2193 
        * traps.c (frv_software_interrupt): Rewite to use post-write queue.
2194 
        (frv_rett): Rewite to use post-write queue.
2195 
        (next_available_nesr): Rewrite to use new macro interfaces.
2196 
        (next_valid_nesr): Ditto.
2197 
        (frvbf_check_non_excepting_load): Ditto.
2198 
        (frvbf_check_recovering_store): Ditto.
2199 
        (clear_nesr_neear): Ditto.
2200 
        (clear_ne_flags): Ditto.
2201 
        * mloop.in (main loop): Update PCSR with address of next VLIW insn
2202 
        when flag is set.
2203 
        * frv.c (frvbf_h_spr_get_handler): Shift register fields here now.
2204 
        (frvbf_store_multiple_GR): Rewite to use post-write queue.
2205 
        (frvbf_store_multiple_FRint): Rewite to use post-write queue.
2206 
        (frvbf_store_multiple_CPR): Rewite to use post-write queue.
2207 
        * Makefile.in (frv.o): Depend on cgen-par.h.
2208 
 
2209 
Fri Sep 10 17:03:15 1999  Dave Brolley
2210 
 
2211 
        * frv-sim.h (frvbf_set_write_next_vliw_addr_to_LR): New function.
2212 
        (frvbf_write_next_vliw_addr_to_LR): New flag.
2213 
        * frv.c (frvbf_set_write_next_vliw_addr_to_LR): New function.
2214 
        * mloop.in: Only take the first branch in a VLIW insn. Set LR to the
2215 
        address of the next VLIW insn if flag is set.
2216 
        * cpu.h,decode.c,sem.c: Rebuild.
2217 
 
2218 
Tue Sep  7 13:44:23 1999  Dave Brolley
2219 
 
2220 
        * mloop.in: Limit parallel insns to MAX_PARALLEL_INSNS.
2221 
        * sem.c: Rebuild.
2222 
 
2223 
1999-09-02  Doug Evans
2224 
 
2225 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
2226 
 
2227 
1999-09-01  Doug Evans
2228 
 
2229 
        * decode.c: Rebuild.
2230 
 
2231 
Mon Aug 30 17:54:57 1999  Dave Brolley
2232 
 
2233 
        * traps.c (frv_rett): New function.
2234 
        * frv.c (frvbf_h_spr_get_handler): Handle bpsr.
2235 
        (frvbf_h_spr_set_handler): Handle bpsr.
2236 
        (frvbf_h_bpsr_get_handler): New function.
2237 
        (frvbf_h_bpsr_set_handler): New function.
2238 
        * frv-sim.h (frv_rett): New function.
2239 
        (frvbf_h_bpsr_get_handler): New function.
2240 
        (frvbf_h_bpsr_set_handler): New function.
2241 
        * mloop.in: Read actual packing bit.
2242 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2243 
 
2244 
Tue Aug 31 16:04:37 1999  Dave Brolley
2245 
 
2246 
        * traps.c (WANT_CPU): New macro.
2247 
        (WANT_CPU_FRVBF): New macro.
2248 
        (frvbf_check_recovering_store): Use registers for source and queue
2249 
        writes.
2250 
        * mloop.in: New main loop for parallel support.
2251 
        (@cpu@_parallel_write_init): New function.
2252 
        (@cpu@_parallel_write_queued): New function.
2253 
        * frv-sim.h (set_icc_for_shift_left): New interface.
2254 
        (set_icc_for_shift_right): New interface.
2255 
        (frvbf_check_recovering_store): New interface.
2256 
        * frv.c (set_icc_for_shift_left): Pass and return icc value.
2257 
        (set_icc_for_shift_right): Pass and return icc value.
2258 
        (frvbf_check_recovering_store): New interface.
2259 
        * Makefile.in (FRV_OBJS): Add cgen-par.o.
2260 
        (stamp-mloop): Add cgen parallel options.
2261 
        (stamp-arch): Remove with-profile option.
2262 
        (stamp-cpu): Add cgen parallel options.
2263 
        * arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2264 
 
2265 
1999-08-28  Doug Evans
2266 
 
2267 
        * cpu.h,decode.c,sem.c: Rebuild.
2268 
 
2269 
Wed Aug 25 12:25:04 1999  Dave Brolley
2270 
 
2271 
        * arch.h,cpu.h,decode.h,model.c,sem.c: Rebuild.
2272 
 
2273 
Thu Aug 19 17:59:00 1999  Dave Brolley
2274 
 
2275 
        * configure.in: fr500 now the default model.
2276 
        * configure: Regenerate.
2277 
        * frv.c: Change frv-1 to frv-gen.
2278 
        (frvbf_model_fr500_u_exec): New function.
2279 
        * Makefile.in (stamp-cpu): Use 'mach=frv,fr500' to build decoder.
2280 
        * mloop.in: Fix typos in comments.
2281 
        * arch.c,arch.h,cpu.h,cpuall.h,decode.h,model.c,sem.c: Rebuild.
2282 
 
2283 
1999-08-17  Dave Brolley
2284 
 
2285 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2286 
 
2287 
1999-08-09  Doug Evans
2288 
 
2289 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2290 
 
2291 
1999-08-04  Doug Evans
2292 
 
2293 
        * cpu.h,cpuall.h,decode.c,model.c,sem.c: Rebuild.
2294 
 
2295 
Fri Jul 16 14:50:15 1999  Dave Brolley
2296 
 
2297 
        * frv.c (frvbf_fetch_register): Use GDB register number macros.
2298 
        (frvbf_store_register): Use GDB register number macros.
2299 
        (frvbf_cut): New function.
2300 
        * frv-sim.h (GR_REGNUM_MAX): New macro.
2301 
        (FR_REGNUM_MAX): New macro.
2302 
        (PC_REGNUM): New macro.
2303 
        (LR_REGNUM): New macro.
2304 
        (frvbf_cut): New function.
2305 
        * cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.
2306 
 
2307 
1999-07-15  Stan Shebs
2308 
 
2309 
        * frv.c (frvbf_fetch_register): Add ability to get LR register,
2310 
        add default for unhandled registers.
2311 
        (frvbf_store_register): Add ability to set LR register.
2312 
 
2313 
1999-07-14  Stan Shebs
2314 
 
2315 
        * frv.c (frvbf_fetch_register, frvbf_store_register): Fill in.
2316 
        (decode_gdb_dr_regnum): Remove, not used.
2317 
 
2318 
1999-07-13  Michael Meissner
2319 
 
2320 
        * Makefile.in (SIM_EXTRA_FLAGS): Incorporate @sim_trapdump@.
2321 
 
2322 
        * configure.in (--enable-sim-trapdump): New switch to make unknown
2323 
        traps dump the register contents, instead of doing the trap thing.
2324 
        * configure: Regenerate.
2325 
 
2326 
        * frv-sim.h (TRAP_BREAKPOINT): Define as 81, so it can be used.
2327 
        (TRAP_REGDUMP{1,2}): Define to provide register dumping support
2328 
        temporarily.
2329 
 
2330 
        * traps.h (toplevel): Include bfd.h, libiberity.h.
2331 
        (frv_itrap): Add support for --enable-sim-trapdump and traps 2,3
2332 
        dumping the registers.
2333 
 
2334 
Thu Jul  8 10:57:39 1999  Dave Brolley
2335 
 
2336 
        * Makefile.in (SIM_EXTRA_LIBS): Removed. libm no longer needed.
2337 
 
2338 
Wed Jul  7 17:01:12 1999  Dave Brolley
2339 
 
2340 
        * cpu.c,cpu.h,decode.c,model.c,sem.c: Rebuild.
2341 
 
2342 
Tue Jul  6 16:12:18 1999  Dave Brolley
2343 
 
2344 
        * frv.c (frvbf_square_root_SF): Removed.
2345 
        (frvbf_square_root_DF): Removed.
2346 
        (frvbf_h_fr_double_get_handler): Removed.
2347 
        (frvbf_h_fr_double_set_handler): Removed.
2348 
        (frvbf_h_fr_int_get_handler): Removed.
2349 
        (frvbf_h_fr_int_set_handler): Removed.
2350 
        * frv-sim.h (frvbf_square_root_SF): Removed.
2351 
        (frvbf_square_root_DF): Removed.
2352 
        (frvbf_h_fr_double_get_handler): Removed.
2353 
        (frvbf_h_fr_double_set_handler): Removed.
2354 
        (frvbf_h_fr_int_get_handler): Removed.
2355 
        (frvbf_h_fr_int_set_handler): Removed.
2356 
        * decode.c,decode.h,model.c,sem.c: Rebuild.
2357 
 
2358 
1999-07-05  Doug Evans
2359 
 
2360 
        * Makefile.in (SIM_OBJS): Add cgen-fpu.o, cgen-accfp.o.
2361 
        * cpu.c,cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.
2362 
        * sim-if.c (sim_open): Initialize fpu.
2363 
        * frv-sim.h (SETMEMSF,SETMEMDF): Delete.
2364 
        * frv.c (frvbf_store_multiple_FRint): Replace frvbf_h_fr_int_get
2365 
        with frvbf_h_fr_get.
2366 
 
2367 
Wed Jun 30 15:56:56 1999  Dave Brolley
2368 
 
2369 
        * frv-sim.h (NESR_RANGE): New macro.
2370 
        (NO_NESR): New macro.
2371 
        (GET_NESR_VALID): New macro.
2372 
        (next_ne_index): Removed.
2373 
        * traps.c (next_available_nesr): New function.
2374 
        (next_valid_nesr): New function.
2375 
        (frvbf_check_non_excepting_load): Use next_available_nesr.
2376 
        (frvbf_check_recovering_store): Use next_available_nesr and
2377 
        next_valid_nesr.
2378 
        (clear_nesr_neear): Use next_available_nesr and next_valid_nesr.
2379 
        (frvbf_check_recovering_store): Only consider one matching register.
2380 
        * sem.c: Rebuild.
2381 
 
2382 
Tue Jun 29 16:54:32 1999  Dave Brolley
2383 
 
2384 
        * frv.c (frvbf_square_root_SF): New function.
2385 
        (frvbf_square_root_DF): New function.
2386 
        (frvbf_h_fr_double_get_handler): New function.
2387 
        (frvbf_h_fr_double_set_handler): New function.
2388 
        * frv-sim.h (frvbf_square_root_SF): New function.
2389 
        (frvbf_square_root_DF): New function.
2390 
        (frvbf_h_fr_double_get_handler): New function.
2391 
        (frvbf_h_fr_double_set_handler): New function.
2392 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c: Rebuild.
2393 
 
2394 
1999-06-28  Dave Brolley
2395 
 
2396 
        * decode.c,decode.h,model.c,sem.c: Regenerate.
2397 
 
2398 
Thu Jun 24 17:26:32 1999  Dave Brolley
2399 
 
2400 
        * Makefile.in (SIM_EXTRA_LIBS): Add -lm.
2401 
        * frv-sim.h (frvbf_h_fr_int_get_handler): New function.
2402 
        (frvbf_h_fr_int_set_handler): New function.
2403 
        (frvbf_store_multiple_FRint): New function.
2404 
        (frvbf_square_root_SF): New function.
2405 
        * frv.c (frvbf_h_fr_int_get_handler): New function.
2406 
        (frvbf_h_fr_int_set_handler): New function.
2407 
        (frvbf_store_multiple_FRint): New function.
2408 
        (frvbf_square_root_SF): New function.
2409 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2410 
 
2411 
1999-06-23  Doug Evans
2412 
 
2413 
        * Makefile.in (stamp-mloop): Delete -fast -pbb -switch args
2414 
        to genmloop.sh.  Pass -scache instead.
2415 
        (mloop.o): Delete sem-switch.c dependency.
2416 
        (sem-switch.c): Delete rule.
2417 
        (stamp-cpu): Don't build sem-switch.c.
2418 
        * sem-switch.c: Delete.
2419 
        * mloop.in (xfull-exec-*): Fix call to execute.
2420 
        * tconfig.in (WITH_SCACHE_PBB): Define as 0.
2421 
 
2422 
        * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2423 
 
2424 
Tue Jun 22 16:23:57 1999  Dave Brolley
2425 
 
2426 
        * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2427 
 
2428 
Mon Jun 21 17:34:10 1999  Dave Brolley
2429 
 
2430 
        * mloop.in (execute): Force gr0 to zero before each insn.
2431 
        * cpu.h,cpu.c,decode.c,sem.c,sem-switch.c: Regenerate.
2432 
 
2433 
1999-06-18  Doug Evans
2434 
 
2435 
        * cpu.h,decode.c,model.c,sem-switch.c,sem.c: Rebuild.
2436 
 
2437 
Fri Jun 18 17:49:23 1999  Dave Brolley
2438 
 
2439 
        * frv.c (frvbf_h_gr_get_handler): New function.
2440 
        (frvbf_h_gr_set_handler): New function:
2441 
        (frvbf_store-multiple_GR): New function:
2442 
        (frvbf_store-multiple_FR): New function:
2443 
        (frvbf_store-multiple_CPR): New function:
2444 
        * frv-sim.h (frvbf_h_gr_get_handler): New function.
2445 
        (frvbf_h_gr_set_handler): New function:
2446 
        (frvbf_store-multiple_GR): New function:
2447 
        (frvbf_store-multiple_FR): New function:
2448 
        (frvbf_store-multiple_CPR): New function:
2449 
        * traps.c (frv_itrap): Implement proper syscalls interface.
2450 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2451 
 
2452 
Fri Jun 18 14:36:23 1999  Dave Brolley
2453 
 
2454 
        * traps.c (frvbf_check_non_excepting_divide): New function.
2455 
        (frvbf_check_recovering_store): New function.
2456 
        (clear_nesr_neear): New function.
2457 
        (clear_ne_flags): New function.
2458 
        (frvbf_commit): New function.
2459 
 
2460 
        * frv-sim.h (frvbf_check_non_excepting_divide): New function.
2461 
        (frvbf_check_recovering_store): New function.
2462 
        (clear_nesr_neear): New function.
2463 
        (clear_ne_flags): New function.
2464 
        (frvbf_commit): New function.
2465 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2466 
 
2467 
1999-06-16  Dave Brolley
2468 
 
2469 
        * frv.c (frvbf_h_spr_get_handler): Handle SPR_NECR.
2470 
        (frvbf_h_spr_set_handler): Handle SPR_NECR.
2471 
        * traps.c (next_ne_index): New variable.
2472 
        (frvbf_check_non_excepting_load): New function.
2473 
        * frv-sim.h (NECR_ELOS): New macro.
2474 
        (NECR_NEN): New macro.
2475 
        (NECR_VALID): New macro.
2476 
        (SET_NESR_VALID): New macro.
2477 
        (SET_NESR_EAV): New macro.
2478 
        (SET_NESR_FR): New macro.
2479 
        (CLEAR_NESR_FR): New macro.
2480 
        (SET_NESR_DRN): New macro.
2481 
        (SET_NESR_SIZE): New macro.
2482 
        (SET_NESR_NEAN): New macro.
2483 
        (SET_NEEAR): New macro.
2484 
        (GET_NE_FLAG): New macro.
2485 
        (SET_NE_FLAG): New macro.
2486 
        (CLEAR_NE_FLAG): New macro.
2487 
        (frvbf_check_non_excepting_load): New function:
2488 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2489 
 
2490 
Wed Jun  9 18:12:49 1999  Dave Brolley
2491 
 
2492 
        * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2493 
 
2494 
Tue Jun  8 18:13:51 1999  Dave Brolley
2495 
 
2496 
        * frv.c (cr_logic): Correct andcr, nandcr, andncr and nandncr.
2497 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2498 
 
2499 
Mon Jun  7 17:09:15 1999  Dave Brolley
2500 
 
2501 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2502 
 
2503 
1999-06-07  Dave Brolley
2504 
 
2505 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2506 
 
2507 
Thu Jun  3 17:33:31 1999  Dave Brolley
2508 
 
2509 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2510 
 
2511 
Wed Jun  2 17:50:21 1999  Dave Brolley
2512 
 
2513 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2514 
 
2515 
Tue Jun  1 17:58:53 1999  Dave Brolley
2516 
 
2517 
        * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2518 
 
2519 
Mon May 31 17:57:25 1999  Dave Brolley
2520 
 
2521 
        * traps.c (frv_software_interrupt): Pass current_cpu to
2522 
        frvbf_h_psr_esr_get.
2523 
        (frv_software_interrupt): Calculate the new PC based on TBR.
2524 
        * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2525 
 
2526 
1999-05-31  Dave Brolley
2527 
 
2528 
        * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2529 
 
2530 
Thu May 27 17:42:00 1999  Dave Brolley
2531 
 
2532 
        * frv-sim.h (frvbf_h_cccr_get_handler): New function.
2533 
        (frvbf_h_cccr_set_handler): New function.
2534 
        (frvbf_scan_result): New function.
2535 
        (frvbf_cr_logic): New function.
2536 
        * frv.c (frvbf_h_cccr_get_handler): New function.
2537 
        (frvbf_h_cccr_set_handler): New function.
2538 
        (frvbf_scan_result): New function.
2539 
        (frvbf_cr_logic): New function.
2540 
        (cr_ops,cr_result,cr_logic): New table.
2541 
        * cpu.h,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2542 
 
2543 
1999-05-25  Dave Brolley
2544 
 
2545 
        * frv.c (frvbf_h_spr_get_handler): Add support for TBR and PSR.
2546 
        (frvbf_h_spr_set_handler): Add support for TBR and PSR.
2547 
        (frv_psr_get_handler): New function.
2548 
        (frv_psr_set_handler): New function.
2549 
        (frv_tbr_get_handler): New function.
2550 
        (frv_tbr_set_handler): New function.
2551 
        (frvbf_h_ccr_get_handler): Add support for fCC.
2552 
        (frvbf_h_ccr_set_handler): Add support for fCC.
2553 
        * frv-sim.h (frv_psr_get_handler): New function.
2554 
        (frv_psr_set_handler): New function.
2555 
        (frv_tbr_get_handler): New function.
2556 
        (frv_tbr_set_handler): New function.
2557 
        * traps.c (frv_software_interrupt): Implement.
2558 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2559 
 
2560 
Thu May 20 16:39:27 1999  Dave Brolley
2561 
 
2562 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2563 
 
2564 
1999-05-18  Dave Brolley
2565 
 
2566 
        * frv.c: (frvbf_set_icc_for_shift_left): New function.
2567 
        (frvbf_set_icc_for_shift_right): New function.
2568 
        * frv-sim.h (frvbf_set_icc_for_shift_left): New function.
2569 
        (frvbf_set_icc_for_shift_right): New function.
2570 
        (SETMEMSF): New Macro.
2571 
        (SETMEMDF): New Macro.
2572 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2573 
 
2574 
Thu May 13 17:14:49 1999  Dave Brolley
2575 
 
2576 
        * frv.c (frvbf_h_ccr_get_handler): New function.
2577 
        (frvbf_h_ccr_set_handler): New function.
2578 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2579 
 
2580 
Tue May 11 16:13:15 1999  Dave Brolley
2581 
 
2582 
        * frv-sim.h (frvbf_h_spr_get_handler,frvbf_h_spr_set_handler,
2583 
        frvbf_h_isr_get_handler, frvbf_h_isr_set_handler): New functions.
2584 
        * frv.c: Likewise.
2585 
        * cpu.h,cpu.c,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2586 
 
2587 
1999-05-10  Dave Brolley
2588 
 
2589 
        * cpu.h,cpu.c,decode.c,model.c,sem.c,sem-switch.c: Regenerate.
2590 
 
2591 
Thu May  6 16:48:21 1999  Dave Brolley
2592 
 
2593 
        * cpu.h,decode.c,sem.c,sem-switch.c: Regenerate.
2594 
        * frv-sim.h (TRAP_SYSCALL): Define as 0x80.
2595 
 
2596 
Wed May  5 11:52:24 1999  Dave Brolley
2597 
 
2598 
        * traps.c (frv_software_interrupt): New function.
2599 
        (frv_itrap): New function.
2600 
        * frv-sim.h (TRAP_SYSCALL): define as 0.
2601 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2602 
 
2603 
Mon May  3 13:49:21 1999  Dave Brolley
2604 
 
2605 
        * cpu.h,decode.c,decode.h,model.c,sem.c,sem-switch.c: Regenerate.
2606 
 
2607 
Thu Apr 29 17:37:06 1999  Dave Brolley
2608 
 
2609 
        * Directory created.

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