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* interp.c (sim_stop_reason): Fix typo.
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
aba6488e
MM		 12005-11-28 Mark Mitchell <mark@codesourcery.com>
2
3 * interp.c (gdb/signals.h): Include it.
4 (sim_stop_reason): Use TARGET_SIGNAL_*.
5
2b193c4a
MK		 62005-03-23 Mark Kettenis <kettenis@gnu.org>
7
8 * configure: Regenerate.
9
35695fd6
AC		 102005-01-14 Andrew Cagney <cagney@gnu.org>
11
12 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
13 explicit call to AC_CONFIG_HEADER.
14 * configure: Regenerate.
15
f0569246
AC		 162005-01-12 Andrew Cagney <cagney@gnu.org>
17
18 * configure.ac: Update to use ../common/common.m4.
19 * configure: Re-generate.
20
38f48d72
AC		 212005-01-11 Andrew Cagney <cagney@localhost.localdomain>
22
23 * configure: Regenerated to track ../common/aclocal.m4 changes.
24
b7026657
AC		 252005-01-07 Andrew Cagney <cagney@gnu.org>
26
27 * configure.ac: Rename configure.in, require autoconf 2.59.
28 * configure: Re-generate.
29
379832de
HPN		 302004-12-08 Hans-Peter Nilsson <hp@axis.com>
31
32 * configure: Regenerate for ../common/aclocal.m4 update.
33
0aaa4a81
AC		 342004-06-28 Andrew Cagney <cagney@gnu.org>
35
36 * interp.c (sim_resume): Rename ui_loop_hook to
37 deprecated_ui_loop_hook.
38
fc0a2244
AC		 392003-10-30 Andrew Cagney <cagney@redhat.com>
40
41 * simops.c: Replace "struct symbol_cache_entry" with "struct
42 bfd_symbol".
43
ea086965
AC		 442003-06-22 Andrew Cagney <cagney@redhat.com>
45
46 * interp.c (xfer_mem): Simplify. Only do a single partial
47 transfer. Problem reported by Tom Rix.
48
f6684c31
AC		 492003-05-07 Andrew Cagney <cagney@redhat.com>
50
51 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
52 (sim_d10v_translate_imap_addr): Ditto.
53 (sim_d10v_translate_dmap_addr): Ditto.
54 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
55 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
56 (dmap_register, imap_register): Add "regcache" parameter.
57 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
58 (sim_fetch_register): Pass NULL regcache to imap_register and
59 dmap_register.
60
6b4a8935
AC		 612003-02-27 Andrew Cagney <cagney@redhat.com>
62
63 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
64
d25b1553
AC		 652002-11-13 Andrew Cagney <cagney@redhat.com>
66
67 * simops.c: Include <string.h>.
68
57af9c8b
AC		 692002-06-17 Andrew Cagney <cagney@redhat.com>
70
71 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
72
c8cca39f
AC		 732002-06-16 Andrew Cagney <ac131313@redhat.com>
74
75 * configure: Regenerated to track ../common/aclocal.m4 changes.
76
3d2957e6
TR		 772002-06-13 Tom Rix <trix@redhat.com>
78
79 * interp.c (xfer_mem): Fix transfers across multiple segments.
80
3c25f8c7
AC		 812002-06-09 Andrew Cagney <cagney@redhat.com>
82
83 * Makefile.in (INCLUDE): Update path to callback.h.
84 * gencode.c: Do not include "callback.h".
85 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
86 * interp.c: Ditto.
87
983b727e
AC		 882002-06-08 Andrew Cagney <cagney@redhat.com>
89
90 * interp.c (sim_fetch_register): Fix name of enum used in cast.
91 (sim_store_register): Ditto.
92
676ab6a0 932002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 94
95 From Jason Eckhardt <jle@redhat.com>
96 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
97 less than MOD_S (post-decrement).
98
18c0df9e
AC		 992002-06-01 Andrew Cagney <ac131313@redhat.com>
100
101 * interp.c (sim_fetch_register, sim_store_register): Use a switch
102 statement and enums from "sim-d10v.h".
103
1aa5e64f
EZ		 1042002-05-28 Elena Zannoni <ezannoni@redhat.com>
105
106 * interp.c (sim_create_inferior): Add comment.
107
108 From Alan Matsuoka <alanm@redhat.com>:
109 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
110 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
111 (OP_4401): Output "mvf0t" instead of "mf0t".
112 (OP_460B): Do not output a flag register.
113 (OP_4609): Do not output a flag register.
114
b91b96f4
AC		 1152002-05-23 Andrew Cagney <ac131313@redhat.com>
116
117 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
118 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
119
962b3ead
JM		 1202001-08-01 John R. Moore <jmoore@redhat.com>
121
122 * interp.c (sim_create_inferior): Removed a hack that stated
123 it was setting r0/r1 with argc/argv.
124
d4424ada
C		 1252001-04-15 J.T. Conklin <jtc@redback.com>
126
127 * Makefile.in (simops.o): Add simops.h to dependency list.
128
eb2d80b4
AC		 129Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
130
131 * configure: Regenerated to track ../common/aclocal.m4 changes.
132
27842f65
AC		 133Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
134
135 * interp.c (sim_resume): Deliver SIGILL.
136 (lookup_hash): Do not print SIGILL message.
137
baa7ae6f
AC		 138Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
139
140 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
141 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
142
ba744a4f
AC		 143Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
144
145 * d10v_sim.h (SIG_D10V_BUS): Define.
146
147 * simops.c (address_exception): Delete function.
148 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
149 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
150 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
151 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
152 address_exception with code that sets SIG_D10V_BUS.
153
154 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
155 error to the simulator before resuming execution.
156 (sim_trace): Check stop reason and use that to determine sim_trace
157 return value.
158 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
159 sigrc.
160
161Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
162
163 * interp.c (sim_create_inferior): Change internal initial value for
164 DMAP2 to 0x2000.
165
c3f6f71d
JM		 166Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
167
168 * interp.c (lookup_hash): Stop the update of the PC when there was
169 an illegal instruction exception.
170
171Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
172
173 * simops.c (address_exception): New function.
174 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
175 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
176 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
177 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
178 and "st2w" check that the address is aligned.
179
8ae7f924
FCE		 1801999-12-30 Chandra Chavva <cchavva@cygnus.com>
181
182 * d10v_sim.h (INC_ADDR): Added code to assign
183 proper address for loads with predec operations.
184
c2d11a7d
JM		 1851999-11-25 Nick Clifton <nickc@cygnus.com>
186
187 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
188 cpfg instruction.
189
4ce44c66
JM		 190Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
191
192 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
193 DPSW and BPSW.
194
195Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
196
197 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
198 (PSW_HW_MASK): Declare.
199
200 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
201 (SET_CREG, SET_PSW_BIT): Update.
202 (SET_HW_CREG, SET_HW_PSW): Define.
203
204Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
205
206 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
207 for DMAP3.
208
209Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
210
211 * interp.c (sim_d10v_translate_addr): New function.
212 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
213 (map_memory): Make INLINE.
214
215Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
216
217 * interp.c (sim_d10v_translate_dmap_addr): New function.
218 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
219 offset parameter to type uint16.
220 * d10v_sim.h (dmem_addr): Update declaration.
221
222Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
223
224 * interp.c (imap_register, set_imap_register, dmap_register,
225 set_imap_register): Use map_memory.
226 (DMAP): Update.
227 (sim_create_inferior): Initialize all DMAP registers. NOTE that
228 DMAP2, in internal memory mode, is set to 0x0000 and NOT
229 0x2000. This is consistent with the older d10v boards.
230
231Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
232
233 * interp.c (sim_d10v_translate_imap_addr): New function.
234 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
235 (last_from, last_to): Declare.
236
237Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
238
239 * d10v_sim.h (struct d10v_memory): Define. Support very long
240 memories.
241 (struct _state): Replace imem, dmem and umem by mem.
242 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
243 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
244
245 * interp.c (map_memory): New function.
246 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
247 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
248 (IMEM_SIZEDMEM_SIZE): Delete.
249
250Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
251
252 * interp.c: Include "sim-d10v.h".
253 (imap_register, set_imap_register, dmap_register,
254 set_dmap_register, spi_register, spu_register, set_spi_register,
255 set_spu_register): New functions.
256 (sim_create_inferior): Update.
257 (sim_fetch_register, sim_store_register): Rewrite. Use enums
258 defined in sim-d10v.h.
259
260 * d10v_sim.h (DEBUG_MEMORY): Define.
261 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
262
263Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
264
265 * interp.c (sim_open): Allow a debug value to be passed to the -t
266 option.
267 (lookup_hash): Don't exit on an illegal instruction.
268 (do_long, do_2_short, do_parallel): Check for failed instruction
269 lookup.
270
5c44784c
JM		 271Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
272
273 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 274 message.
5c44784c 275
c2c6d25f
JM		 2761999-09-14 Nick Clifton <nickc@cygnus.com>
277
278 * simops.c: Disable setting of DM bit in PSW.
279
cff3e48b
JM		 280Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
281
282 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
283 (trace_input_func): Added support for OP_MEMREF3.
284 (OP_32010000): New instruction ld.
285 (OP_33010000): New instruction ld2w.
286 (OP_5209): New instruction sac.
287 (OP_4209): New instruction sachi.
288 (OP_3220): New instruction slae.
289 (OP_36010000): New instruction st.
290 (OP_37010000): New instruction st2w.
291
2921999-09-09 Stan Shebs <shebs@andros.cygnus.com>
293
294 * interp.c (old_segment_mapping): New global.
295 (xfer_mem): Change the default segment mapping to be the way
296 that Mitsubishi prefers, but use the previous mapping if
297 old_segment_mapping is true.
298 (sim_open): Add an option -oldseg to get the old mapping.
299 (sim_create_inferior): Init mapping registers based on the
300 value of old_segment_mapping.
301
d4f3574e
SS		 3021999-09-07 Nick Clifton <nickc@cygnus.com>
303
304 * simops.c (OP_6601): Do not write back decremented address if
305 either of the destination registers was the same as the address
306 register.
307 (OP_6201): Do not write back incremented address if either of the
308 destination registers was the same as the address register.
309
310Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
311
312 * configure: Regenerated to track ../common/aclocal.m4 changes.
313
cd0fc7c3
SS		 3141999-05-08 Felix Lee <flee@cygnus.com>
315
316 * configure: Regenerated to track ../common/aclocal.m4 changes.
317
7a292a7a
SS		 3181999-04-02 Keith Seitz <keiths@cygnus.com>
319
320 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
321 defined).
322 (sim_resume): If the counter has expired, call the ui_loop_hook,
323 if defined.
324 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
325 ui_loop_hook calls.
326 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
327
328Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
329
330 * simops.c: If load instruction with auto increment/decrement
331 addressing is used when the destination register is the same as
332 the address register, then ignore the auto increment/decrement.
333
334Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
335
336 * simops.c (OP_5F00): Ifdef SYS_stat case because
337 not all systems have it defined.
338
c906108c
SS		 3391999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
340
341 * simops.c (OP_5607): Correct saturation comparison/assignment.
342 (OP_1201, OP_1203, OP_17001200, OP_17001202,
343 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
344 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
345
3461999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
347
348 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
349 comparison.
350 (OP_5607): Ditto.
351 (OP_2A00): Ditto.
352 (OP_2800): Ditto.
353
3541999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
355
356 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
357 comparison.
358
359Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
360
361 * simops.c (sys/syscall.h): Include targ-vals.h instead.
362 (SYS_*): Replace with TARGET_SYS_*.
363
364 * Makefile.in: Add dependency on targ-vals.h.
365 (NL_TARGET): Define as NL_TARGET_d10v.
366
367Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
368
369 * interp.c (xfer_mem): Missing break, instruction memory case
370 flowed into unified memory case.
371
372Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
373
374 * simops.c: If load instruction with auto increment/decrement
375 addressing is used when the destination register is the same as
376 the address register, then ignore the auto increment/decrement.
377
378Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
379
380 * configure: Regenerated to track ../common/aclocal.m4 changes.
381
382Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
383
384 * configure: Regenerated to track ../common/aclocal.m4 changes.
385 * config.in: Ditto.
386
387Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
388
389 * acconfig.h: New file.
390 * configure.in: Reverted change of Apr 24; use sinclude again.
391
392Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
393
394 * configure: Regenerated to track ../common/aclocal.m4 changes.
395 * config.in: Ditto.
396
397Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
398
399 * configure.in: Don't call sinclude.
400
401Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
402
403 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
404
405 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
406
407Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
408
409 * configure: Regenerated to track ../common/aclocal.m4 changes.
410
411Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
412
413 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
414 up-to-date CR value.
415 (OP_OP_1000000, add3): Trace inputs before performing add.
416 (OP_5F00, <*>): Trace input registers before making system call.
417 (OP_5F00, <kill>): Trace R0, R1 not REGn.
418 (OP_5F00, <getpid>): Always return 47.
419
420 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
421 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
422 back slots.
423 (struct _state): Add struct slot slot to global state variable.
424 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
425 F0, F1, C from global State variable.
426 (struct _state): Add struct trace to global State variable.
427 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
428 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
429 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
430 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
431 (JMP): Re-implement. Use SET_* to update registers.
432
433 * interp.c: Use new SET_* et.al. macros to fetch / store
434 registers.
435 (get_operands): Squirrel away trace values at start of each
436 operand decode.
437 (do_2_short): Flush pending writes before issuing second
438 instruction.
439 (sim_resume): Flush pending writes at end of instruction cycle.
440 (sim_fetch_register, sim_store_register, sim_create_inferior):
441 After scheduling updates to registers using SET_*, flush updates.
442 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
443 that each sets pc using SET_* and last SET_* eventually winds out.
444
445 * simops.c: Use new SET_* et.al. macros to fetch / store
446 registers.
447 (move_to_cr): Add MASK argument for selective update of CREG bits.
448 Re-implement using new SET_* macros.
449 (trace_output_func, trace_output): Delete. Replace with.
450 (do_trace_output_flush, trace_output_finish, trace_output_40,
451 trace_output_32, trace_output_16, trace_output_void,
452 trace_output_flag): New functions. Handle specific trace cases.
453 (OP_*): Re-write tracing to use new trace_output_* functions.
454 (OP_*): Re-write to use new SET_* et.al. macros.
455 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
456 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
457
458Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
459
460 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
461 configure: Re-generate.
462
463Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
464
465 * configure: Regenerated to track ../common/aclocal.m4 changes.
466
467Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
468
469 * configure: Regenerated to track ../common/aclocal.m4 changes.
470
471Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
472
473 * configure: Regenerated to track ../common/aclocal.m4 changes.
474
475Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
476
477 * interp.c (sim_store_register, sim_fetch_register): Pass in
478 length parameter. Return -1.
479
480Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
481
482 * (dmem_addr): If address is illegal or in I/O space, signal a bus
483 error. Allocate unified memory on demand. Fix DMEM address
484 calculations.
485
486Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
487
488 * simops.c (OP_5F20): Implement "dbt".
489 (OP_5F60): Implement "rtd".
490
491 * d10v_sim.h (DPC_CR): Define enum.
492 (DBT_VECTOR_START): Define
493 (DPSW, DPC): Define.
494
495Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
496
497 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
498 to PSW:SM.
499
500 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
501 (SP_IDX): Define.
502
503Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
504
505 * simops.c (OP_5F00): Call error instead of abort for unknown
506 syscalls.
507
508 * d10v_sim.h (enum): Define DPSW_CR.
509
510 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
511
512Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
513
514 * interp.c (sim_write_phys): Delete.
515 (sim_load): Call sim_load_file with sim_write and LMA.
516
517Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
518
519 * interp.c: Rewrite xfer_mem so that it translates addresses as -
520 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
521 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
522 memory.
523 (pc_addr): Delete.
524 (imem_addr): New function - translate IMEM address.
525 (sim_resume): Use imem_addr to translate insn address, abort if
526 translation failed.
527 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
528 argc/argv using r0/r1 not r2/r3.
529 (sim_size): Do not initialize IMAP/DMAP here.
530 (sim_open): Call sim_create_inferior and sim_size to initialize
531 the system.
532 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
533 defaults.
534 (init_system): Delete.
535 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
536 init_system.
537 (decode_pc): Check prog_bfd is defined before looking up .text
538 section.
539
540Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
541
542 * configure: Regenerated to track ../common/aclocal.m4 changes.
543
544Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
545
546 * configure: Regenerated to track ../common/aclocal.m4 changes.
547
548Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
549
550 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
551
552Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
553
554 * d10v_sim.h (DEBUG_TRAP): New debug flag.
555
556 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
557 printing the registers.
558
559Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
560
561 * simops.c (op_types): New ABI, args are r0..r3, system call # is
562 in r4.
563 (trace_{in,out}put_func): Ditto.
564 (OP_4900): Ditto.
565 (OP_24800000): Ditto.
566 (OP_4D00): Ditto.
567 (OP_5F00): Ditto.
568
569Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
570
571 * interp.c (UMEM_SEGMENTS): New define, set to 128.
572 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
573 (sim_close): Reset prog_bfd to NULL after closing it. Also
574 reset prog_bfd_was_opened_p after closing prog_bfd.
575 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
576 (sim_create_inferior): Get start address from abfd not prog_bfd.
577 (xfer_mem): Do bounds checking on addresses and return zero length
578 read/write on bad addresses, rather than aborting. Prepare to
579 be able to handle xfers that cross segment boundaries, but not
580 yet implemented. Only emit debug message when d10v_debug is
581 set as well as DEBUG being defined.
582
583Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
584
585 * configure: Regenerated to track ../common/aclocal.m4 changes.
586
587Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
588
589 * configure: Regenerated to track ../common/aclocal.m4 changes.
590 * config.in: Ditto.
591
592Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
593
594 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
595 (BPSW): Ditto for BPSW_CR and not PSW_CR.
596
597 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
598
599Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
600
601 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
602 reserved trap from 0 to 15. Add trap emulation code for 0-14.
603
604 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
605 IBA for SDBT.
606
607 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
608 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
609
610 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
611 use move_to_cr.
612 (OP_5F00): For "trap", update BPSW with move_to_cr.
613
614Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
615
616 * d10v_sim.h (enum): Enumerate CR register names.
617 (enum): Enumerate PSW bit values.
618 (PSW): Obtain value uing move_from_cr.
619 (MOD_S, MOD_E, BPSW): Make r-values.
620 (move_from_cr, move_to_cr): Declare functions.
621
622 * interp.c (sim_fetch_register, sim_store_register): Use
623 move_from_cr and move_to_cr for CR register transfers.
624
625 * simops.c (move_from_cr, move_to_cr): New functions.
626 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
627 (OP_5600): For "mvtc", use function move_to_cr.
628 (OP_5200): For "mvfc", use function move_from_cr.
629
630Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
631
632 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
633 LSbit is zero.
634
635Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
636
637 * configure: Regenerated to track ../common/aclocal.m4 changes.
638
639Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
640
641 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
642
643 * simops.c (OP_5600): For "mvtc", save PSW.DM.
644 (OP_5200): Ditto for "mvfc".
645
646Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
647
648 * d10v_sim.h (SEXT56): Define.
649
650 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
651 it is shifted.
652
653 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
654 SIGNED64 macro.
655
656Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
657
658 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
659 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
660 don't match enum values.
661
662Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
663
664 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
665 bit rather than 16 bit precision.
666 (OP_3C00): For "mulxu", store unsigned product in ACC.
667 (OP_3800): For "msbu", subtract unsigned product from ACC,
668 (OP_0): For "sub", compute carry by comparing inputs.
669
670Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
671
672 * simops.c (OP_1000): For "sub2w", compute carry by comparing
673 inputs.
674
675Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
676
677 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
678 carry indicated by value > 0xffff.
679
680Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
681
682 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
683 handled by client.
684 (sim_resume): Fix race condition of a direct assignment to
685 stop_simulator, conditionally call sim_stop.
686 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
687 stop_simulator ready for next sim_resume call.
688 (sim_ctrl_c): Delete function.
689
690Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
691
692 * interp.c (sim_resume): For "REP", only check/update the PC when
693 a branch instruction has not been executed.
694
695Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
696
697 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
698 extend bit 44 all constants.
699 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
700
701Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
702
703 * d10v_sim.h: Include sim-types.h.
704 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
705 using unsigned8 et.al. from sim-types.h.
706 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
707 SIGNED64 macro.
708
709Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
710
711 * interp.c (sim_write_phys): New function, write to physical
712 instead of virtual memory.
713
714 * interp.c (sim_load): Pass lma_p and sim_write_phys to
715 sim_load_file.
716
717Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
718
719 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
720 exception generation code to OP_6E01.
721 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
722 generation code.
723
724Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
725
726 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
727 (OP_6601): Ditto.
728
729Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
730
731 * configure: Regenerated to track ../common/aclocal.m4 changes.
732
733Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
734
735 * interp.c (pc_addr): Discard upper bit(s) of PC in case
736 IMAP1 selects unified memory.
737 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
738 for end condition.
739
740Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
741
742 * configure: Regenerated to track ../common/aclocal.m4 changes.
743
744Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
745
746 * configure: Regenerated to track ../common/aclocal.m4 changes.
747
748Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
749
750 * configure: Regenerated to track ../common/aclocal.m4 changes.
751
752Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
753
754 * configure: Regenerated to track ../common/aclocal.m4 changes.
755
756Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
757
758 * configure: Regenerated to track ../common/aclocal.m4 changes.
759
760Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
761
762 * interp.c (sim_resume): Increment PC at end of rep
763 loop.
764
765 * simops.c (OP_4201): Fix rachi instruction.
766
767Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
768
769 * configure: Regenerated to track ../common/aclocal.m4 changes.
770
771Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
772
773 * configure: Regenerated to track ../common/aclocal.m4 changes.
774 * config.in: Ditto.
775
776Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
777
778 * interp.c (sim_kill): Delete.
779 (sim_create_inferior): Add ABFD argument.
780 (sim_load): Move setting of PC from here.
781 (sim_create_inferior): To here.
782 (start_address): Delete variable.
783
784Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
785
786 * configure: Regenerated to track ../common/aclocal.m4 changes.
787 * config.in: Ditto.
788
789Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
790
791 * interp.c (sim_open): Add ABFD argument.
792
793Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
794
795 * interp.c (sim_open): Add callback argument.
796 (sim_set_callbacks): Remove SIM_DESC argument.
797
798Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
799
800 * configure: Regenerated to track ../common/aclocal.m4 changes.
801
802Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
803
804 * interp.c (sim_open): Undo patch to add -E support.
805
806Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
807
808 * interp.c (sim_stop): New function.
809
810Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
811
812 * Makefile.in (SIM_OBJS): Add sim-load.o.
813 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
814 * interp.c: #include bfd.h.
815 (myname, sim_kind, start_address): New static locals.
816 (prog_bfd_was_opened_p, prog_bfd): New static locals.
817 (decode_pc): Update to use prog_bfd.
818 (sim_open): Set sim_kind, myname. Ignore -E arg.
819 (sim_close): Close prog_bfd if simulator opened it.
820 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
821 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
822 Call sim_load_file to load file into simulator.
823 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
824
825Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
826
827 * simops.c (OP_5F00): Only provide system calls SYS_execv,
828 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
829
830Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
831
832 * configure: Regenerated to track ../common/aclocal.m4 changes.
833 * config.in: Ditto.
834
835Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
836
837 * interp.c (sim_open): New arg `kind'.
838
839 * configure: Regenerated to track ../common/aclocal.m4 changes.
840
841Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
842
843 * configure: Regenerated to track ../common/aclocal.m4 changes.
844
845Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
846
847 * configure: Re-generate.
848
849Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
850
851 * configure: Regenerate to track ../common/aclocal.m4 changes.
852
853 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
854 as trap 0, which will be deprecated. Only set errno, if an error
855 in fact was returned.
856
857Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
858
859 * interp.c: Delete redundant prototypes of sim_foo fns.
860 (sim_open): New SIM_DESC result. Argument is now in argv form.
861 (other sim_*): New SIM_DESC argument.
862
863Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
864
865 * simops.c (trace_{input,output}_func): Call flush_stdout from the
866 callback functions.
867 (OP_5F00): Ditto.
868 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
869 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
870 setting the carry bit after an add or a subtract.
871
872Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
873
874 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
875 40 bits of accumulators. Sign/zero extend as appropriate.
876
877Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
878
879 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
880 COMMON_{PRE,POST}_CONFIG_FRAG instead.
881 * configure.in: sinclude ../common/aclocal.m4.
882 * configure: Regenerated.
883
884Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
885
886 * configure configure.in Makefile.in: Update to new configure
887 scheme which is more compatible with WinGDB builds.
888 * configure.in: Improve comment on how to run autoconf.
889 * configure: Re-run autoconf to get new ../common/aclocal.m4.
890 * Makefile.in: Use autoconf substitution to install common
891 makefile fragment.
892
893Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
894
895 * gencode.c: patch to not #include "d10v_sim.h" which
896 unecessarily includes bfd.h and causes wingdb configure
897 to fail.
898
899Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
900
901 * interp.c (xfer_mem): Change unified memory to 0x0.
902
903Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
904
905 * simops.c (OP_3E01): Fix tracing information.
906 (OP_300{0,1}): Do not propigate sign.
907
908Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
909
910 * config.in (WORDS_BIGENDIAN): Add.
911 * configure: Regenerated.
912 * d10v_sim.h: #include "config.h"
913
914Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
915
916 * gencode.c (write_opcodes): Eliminate warnings when generated
917 table.c is compiled.
918
919Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
920
921 * interp.c (sim_open): Cast result of calloc, and make sure NULL
922 was not returned.
923 (dmem_addr): If address is illegal or in I/O space, signal a bus
924 error.
925 (pc_addr): Signal bus error, not illegal instruction for bogus
926 pc.
927
928Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
929
930 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
931 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
932 * configure.in: Simplify using macros in ../common/aclocal.m4.
933 Call AC_CHECK_HEADERS(unistd.h).
934 * configure: Regenerated.
935 * config.in: New file.
936 * interp.c: #include "callback.h".
937 * simops.c: #include "config.h". #include <unistd.h> if present.
938
939Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
940
941 * d10v-sim.h (simops): Add flag is_long.
942 (State): Add pc_changed. Instructions which update the PC should
943 use the JMP macro which sets this.
944 (JMP): New macro. Sets the PC and the pc_changed flag.
945
946 * gencode.c (write_opcodes): Add is_long field.
947
948 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
949 to a long opcode we could get a false match. Check the opcode size.
950 (hash): Add a size field to the hash table.
951 (sim_open): Initialize size field in hash table.
952 (sim_resume): Change to logic for setting the PC. Used to increment the
953 PC if it had not been changed. This didn't allow single-instruction loops.
954 Now checks the flag State.pc_changed. Also now stops when ^C is received.
955 (dmem_addr): Fix translation of data segments to unified memory.
956 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
957
958 * simops.c: Changed all branch and jump instructions to use new JMP macro.
959 (OP_20000000): Corrected trace information to show this is a ldi.l, not
960 a ldi.s instruction.
961
962Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
963
964 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
965 updating the accumulators was overwriting other parts of the global
966 State variable.
967
968Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
969
970 * interp.c (bfd.h) Don't include it here any more.
971 (text{,_start,_end}): Move here from simops.c and make extern.
972 (decode_pc): New function to return the PC as an address that the
973 debugger can use.
974 (dmem_addr): Print decoded PC in error message.
975 (pc_addr): Ditto.
976
977 * simops.c (bfd.h) Don't include it here any more.
978 (text{,_start,_end}): Move to simops.c.
979 (trace_input_func): Move decoding of PC, and looking up .text
980 start to decode_pc.
981
982 * d10v_sim.h (bfd.h): Include it here.
983 (text{,_start,_end}): Add external declarations.
984 (exec_bfd): Ditto.
985 (decode_pc): Ditto.
986
987Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
988
989 * interp.c (sim_size): Now allocates unified memory for imap segments
990 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
991 (sim_write): Just call xfer_mem().
992 (sim_read): Just call xfer_mem().
993 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
994 (dmem_addr): New function. Reads dmap register and translates data
995 addresses to local addresses.
996 (pc_addr): New function. Reads imap register and computes local address
997 corresponding to contents of the PC.
998 (sim_resume): Change to use pc_addr().
999 (sim_create_inferior): Change reinitialization code. Also reinitializes
1000 imap[01] and dmap.
1001 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1002 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1003
1004 * simops.c (MEMPTR): Redefine to use dmem_addr().
1005 (OP_5F00): Replace references to STate.imem with dmem_addr().
1006
1007 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1008 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1009 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1010
1011Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1012
1013 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1014 better statistics, like not counting NOPS as parallel
1015 instructions, and printing total cycles.
1016 (ins_type_counters): Make unsigned long.
1017 (left_nops,right_nops): Fold into ins_type_counters.
1018
1019 * simops.c (trace_input_func): Print new instruction types.
1020 Handle OP_R2R3 as input types.
1021 (OP_{38000000,7000}): Correctly sign extend bytes.
1022 (OP_5E00): Don't count NOPs as parallel instructions.
1023 (OP_460B): Remove unused variable.
1024 (OP_5F00): Ditto.
1025
1026 * interp.c (ins_type_counters): Make unsigned long.
1027 (left_nops,right_nops): Delete.
1028 (most functions): Add prototypes.
1029 (INLINE): If GCC and optimize define as __inline__.
1030 ({,lookup_}hash,get_operands): Declare as INLINE.
1031 (do_parallel): Count conditional operations.
1032 (add_commas): New function, to add commas every 3 digits.
1033 (sim_size): Call add_commas to print numbers.
1034 (sim_{open,resume}): Delete unused variables.
1035 (sim_info): Provide better statistics.
1036 (sim_read): Add int return type.
1037
1038Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1039
1040 * interp.c (sim_resume): Change the way single-stepping and exceptions
1041 are handled so single-stepping works again.
1042
1043Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1044
1045 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1046 endian hosts.
1047
1048 * configure.in (--enable-sim-bswap): New switch to enable using
1049 the BSWAP instruction on x86's.
1050 * configure: Regenerate.
1051
1052 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1053 support.
1054
1055Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1056
1057 * endian.c: New file. Move endian functions here from interp.c.
1058 Optimize code, and make it work as either inline functions or as a
1059 separate file.
1060
1061 * interp.c: Move endian functions from here to endian.c.
1062
1063 * Makefile.in (INCLUDE): Add endian.c.
1064 (run,libsim.a): Add dependency on endian.o.
1065 (endian.o): Add dependency.
1066
1067 * d10v_sim.h (read/write support): Always go through the machine
1068 independent endian functions. If compiling with GCC and
1069 optimizing, include endian.c so the endian functions are inlined.
1070
1071 * simops.c (OP_5F00): Correct tracing of accumulators.
1072
1073Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1074
1075 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1076
1077 * interp.c (do_{2_short,parallel}): If an exception is raised,
1078 don't execute the second instruction.
1079
1080Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1081
1082 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1083 temporary in case the register is overriden when loading.
1084 (OP_6200): Output type is OP_DREG for tracing.
1085
1086Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1087
1088 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1089
1090 * interp.c (sim_size): Initialize mem_{min,max} fields.
1091 (sim_write): Update mem_{min,max} fields.
1092 (sim_resume): If PC is not in the minimum/maximum memory range,
1093 abort.
1094 (sim_create_inferior): Preserve mem_{min,max} fields.
1095
1096Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1097
1098 * simops.c (OP_5F00): Add support for time() system call.
1099
1100Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1101
1102 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1103 stored if tracing.
1104 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1105 system calls.
1106
1107Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1108
1109 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1110 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1111 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1112 to call/subroutine returns to trace the first two arguments and
1113 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1114
1115Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1116
1117 * interp.c (sim_create_inferior): Reinitialize State every time
1118 sim_create_inferior() is called.
1119
1120Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1121
1122 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1123 on comparisons.
1124 (OP_401): Fix tracing information.
1125
1126Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1127
1128 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1129 (trace_input_func): Use them.
1130 (trace_input_func): Make sure there is a trailing space after the
1131 instruction.
1132 (OP_6200): Fix tracing info.
1133
1134 * Makefile.in (run): Add dependencies on libbfd.a and
1135 libiberity.a.
1136
1137Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1138
1139 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1140 numbers and function names in debug trace.
1141 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1142 DEBUG_LINE_NUMBER.
1143 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1144 and exit system call trap being executed.
1145
1146 * interp.c (sim_stop_reason): Set exit code correctly for stop
1147 instruction and exit system call trap.
1148
1149 * configure.in (--enable-sim-cflags): Remove trace case.
1150 (--enable-sim-debug): New switch to set the debug values.
1151 * configure: Regenerate.
1152
1153 * simops.c (trace_{input,output}_func): Rename from
1154 trace_{input,output}.
1155 (trace_{input,output}): Call trace_{input,output}_func if
1156 d10v_debug is non-zero.
1157 (SIZE_INSTRUCTION): Cut down to 8.
1158 (SIZE_OPERANDS): Cut down to 18.
1159 (SIZE_LOCATION): New value for size of line number, function name
1160 field.
1161 (init_text_p,text{,_start,_end}): New static variables for
1162 printing line number and function name.
1163 (exec_bfd): New external that run.c sets.
1164 (trace_input_func): Print line number and function name if
1165 available and if desired.
1166 (OP_4E09): Don't print out DBT message.
1167 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1168 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1169
1170Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1171
1172 * interp.c (do_2_short): If the instruction encodes jump->ins,
1173 don't do the second instruction if the jump succeeds.
1174
1175Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1176
1177 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1178 accumulators, PC, and F0/F1/C flags.
1179
1180Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1181
1182 * simops.c (OP_5F00): Fix problems with system calls.
1183
1184Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1185
1186 * simops.c (OP_5F00): Correct tracing information for trap.
1187
1188Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1189
1190 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1191
1192Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1193
1194 * simops.c (trace_output): Properly align accumulator output.
1195 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1196 if shift count is too high.
1197 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1198 (OP_4E09): Make cpfg properly trace the input flags.
1199 (op_types): Add OP_FLAG_OUTPUT.
1200 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1201 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1202 an 8-bit memory reference instruction for tracing purposes.
1203 (OP_201): Addi needs to set the carry.
1204
1205Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1206
1207 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1208 to use signed register values.
1209
1210Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1211
1212 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1213 output.
1214 (_ins_type): New enumeration to specify which container an
1215 instruction is in, and whether it is part of a parallel operation.
1216 (_state): Add ins_type field.
1217 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1218 (ins_type_counters): Counters for the various instruction types.
1219 ({left,right}_nops): Counters for the number of nops in each
1220 container.
1221 (d10v_debug): New variable to indicate whether debugging is turned
1222 on.
1223
1224 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1225 the input and output values can be traced, along with the
1226 instruction type. Make the -t option enable tracing.
1227 (all functions): Change printf calls to use the printf_filtered
1228 function in the callback table.
1229
1230 * interp.c (_leftright): New enumeration to say whether 2 short
1231 instructions are done left first or right first.
1232 (do_{long,2_short,parallel}): Indicate in the machine state which
1233 type of instruction this is. Count each of the types of
1234 instructions executed.
1235 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1236 flag is set.
1237 (sim_resume): Pass left/right indication to do_2_short.
1238 (all functions): Change printf calls to use the printf_filtered
1239 function in the callback table.
1240 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1241 sim_resume.
1242 (sim_info): Print out statistics on instructions.
1243 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1244 debugging.
1245 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1246 Only initialize the hash table the first time sim_open is called.
1247
1248 * Makefile.in: Make objects depend on d10v_sim.h.
1249 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1250 CFLAGS does not override host/target defines or SIM_CFLAGS.
1251 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1252 (run): By default, the math library is not needed to be linked
1253 in.
1254 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1255 overridden.
1256 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1257 makes.
1258 ({run,callback}.o): Provide explicit paths to their appropriate
1259 source directories.
1260 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1261 and linking. Instead of linking in libopcodes.a, just compile
1262 d10v-opc.o directly to handle canadian cross.
1263 (CSEARCH): Add opcodes directory.
1264
1265 * configure.in (--enable-sim-cflags): New switch to allow user to
1266 set the defaults.
1267 (CC_FOR_BUILD): Deal with canadian crosses.
1268 * configure: Regenerate.
1269
1270Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1271
1272 * simops.c: Include correct syscall.h for d10v, not host's.
1273 Fix #ifdef SYS_stat.
1274
1275Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1276
1277 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1278 Add trap 2 to be printf and trap 3 to be putchar.
1279
1280Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1281
1282 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1283 for low-level system calls.
1284
1285Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1286
1287 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1288
1289Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1290
1291 * d10v_sim.h (SEXT32): Added.
1292 * interp.c: Commented out printfs.
1293 * simops.c: Fixed error in sb and st2w.
1294
1295Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1296
1297 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1298 DSP instructions. Added modulo addressing.
1299
1300Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1301
1302 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1303
1304Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1305
1306 * d10v_sim.h, simops.c: Snapshot.
1307
1308Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1309
1310 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1311 gencode.c, interp.c, simops.c: Created.
1312
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