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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [d10v/] [ChangeLog] - Blame information for rev 840

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Line No. Rev Author Line
1 24 jeremybenn
2006-12-21  Hans-Peter Nilsson  
2
 
3
        * acconfig.h: Remove.
4
        * config.in: Regenerate.
5
 
6
2006-06-13  Richard Earnshaw  
7
 
8
        * configure: Regenerated.
9
 
10
2006-06-05  Daniel Jacobowitz  
11
 
12
        * configure: Regenerated.
13
 
14
2006-05-31  Daniel Jacobowitz  
15
 
16
        * configure: Regenerated.
17
 
18
2006-04-18  Nick Clifton  
19
 
20
        * interp.c (sim_stop_reason): Fix typo.
21
 
22
2005-11-28  Mark Mitchell  
23
 
24
        * interp.c (gdb/signals.h): Include it.
25
        (sim_stop_reason): Use TARGET_SIGNAL_*.
26
 
27
2005-03-23  Mark Kettenis  
28
 
29
        * configure: Regenerate.
30
 
31
2005-01-14  Andrew Cagney  
32
 
33
        * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
34
        explicit call to AC_CONFIG_HEADER.
35
        * configure: Regenerate.
36
 
37
2005-01-12  Andrew Cagney  
38
 
39
        * configure.ac: Update to use ../common/common.m4.
40
        * configure: Re-generate.
41
 
42
2005-01-11  Andrew Cagney  
43
 
44
        * configure: Regenerated to track ../common/aclocal.m4 changes.
45
 
46
2005-01-07  Andrew Cagney  
47
 
48
        * configure.ac: Rename configure.in, require autoconf 2.59.
49
        * configure: Re-generate.
50
 
51
2004-12-08  Hans-Peter Nilsson  
52
 
53
        * configure: Regenerate for ../common/aclocal.m4 update.
54
 
55
2004-06-28  Andrew Cagney  
56
 
57
        * interp.c (sim_resume): Rename ui_loop_hook to
58
        deprecated_ui_loop_hook.
59
 
60
2003-10-30  Andrew Cagney  
61
 
62
        * simops.c: Replace "struct symbol_cache_entry" with "struct
63
        bfd_symbol".
64
 
65
2003-06-22  Andrew Cagney  
66
 
67
        * interp.c (xfer_mem): Simplify.  Only do a single partial
68
        transfer.  Problem reported by Tom Rix.
69
 
70
2003-05-07  Andrew Cagney  
71
 
72
        * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
73
        (sim_d10v_translate_imap_addr): Ditto.
74
        (sim_d10v_translate_dmap_addr): Ditto.
75
        (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
76
        (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
77
        (dmap_register, imap_register): Add "regcache" parameter.
78
        (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
79
        (sim_fetch_register): Pass NULL regcache to imap_register and
80
        dmap_register.
81
 
82
2003-02-27  Andrew Cagney  
83
 
84
        * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
85
 
86
2002-11-13  Andrew Cagney  
87
 
88
        * simops.c: Include .
89
 
90
2002-06-17  Andrew Cagney  
91
 
92
        * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
93
 
94
2002-06-16  Andrew Cagney  
95
 
96
        * configure: Regenerated to track ../common/aclocal.m4 changes.
97
 
98
2002-06-13  Tom Rix  
99
 
100
        * interp.c (xfer_mem): Fix transfers across multiple segments.
101
 
102
2002-06-09  Andrew Cagney  
103
 
104
        * Makefile.in (INCLUDE): Update path to callback.h.
105
        * gencode.c: Do not include "callback.h".
106
        * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
107
        * interp.c: Ditto.
108
 
109
2002-06-08  Andrew Cagney  
110
 
111
        * interp.c (sim_fetch_register): Fix name of enum used in cast.
112
        (sim_store_register): Ditto.
113
 
114
2002-06-02  Elena Zannoni  
115
 
116
        From Jason Eckhardt 
117
        * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
118
        less than MOD_S (post-decrement).
119
 
120
2002-06-01  Andrew Cagney  
121
 
122
        * interp.c (sim_fetch_register, sim_store_register): Use a switch
123
        statement and enums from "sim-d10v.h".
124
 
125
2002-05-28  Elena Zannoni  
126
 
127
        * interp.c (sim_create_inferior): Add comment.
128
 
129
        From Alan Matsuoka :
130
        From 2001-04-27 Jason Eckhardt :
131
        * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
132
        (OP_4401): Output "mvf0t" instead of "mf0t".
133
        (OP_460B): Do not output a flag register.
134
        (OP_4609): Do not output a flag register.
135
 
136
2002-05-23  Andrew Cagney  
137
 
138
        * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
139
        * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
140
 
141
2001-08-01  John R. Moore  
142
 
143
        * interp.c (sim_create_inferior): Removed a hack that stated
144
        it was setting r0/r1 with argc/argv.
145
 
146
2001-04-15  J.T. Conklin  
147
 
148
        * Makefile.in (simops.o): Add simops.h to dependency list.
149
 
150
Tue May 23 21:39:23 2000  Andrew Cagney  
151
 
152
        * configure: Regenerated to track ../common/aclocal.m4 changes.
153
 
154
Tue Apr 18 16:26:41 2000  Andrew Cagney  
155
 
156
        * interp.c (sim_resume): Deliver SIGILL.
157
        (lookup_hash): Do not print SIGILL message.
158
 
159
Tue Feb 22 18:24:56 2000  Andrew Cagney  
160
 
161
        * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
162
        * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
163
 
164
Tue Feb  8 17:41:12 2000  Andrew Cagney  
165
 
166
        * d10v_sim.h (SIG_D10V_BUS): Define.
167
 
168
        * simops.c (address_exception): Delete function.
169
        (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
170
        OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
171
        OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
172
        OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
173
        address_exception with code that sets SIG_D10V_BUS.
174
 
175
        * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
176
        error to the simulator before resuming execution.
177
        (sim_trace): Check stop reason and use that to determine sim_trace
178
        return value.
179
        (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
180
        sigrc.
181
 
182
Tue Jan 18 16:07:42 MST 2000    Diego Novillo 
183
 
184
        * interp.c (sim_create_inferior): Change internal initial value for
185
        DMAP2 to 0x2000.
186
 
187
Mon Jan  3 02:06:07 2000  Andrew Cagney  
188
 
189
        * interp.c (lookup_hash): Stop the update of the PC when there was
190
        an illegal instruction exception.
191
 
192
Mon Jan  3 00:14:33 2000  Andrew Cagney  
193
 
194
        * simops.c (address_exception): New function.
195
        (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
196
        OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
197
        OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
198
        OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
199
        and "st2w" check that the address is aligned.
200
 
201
1999-12-30  Chandra Chavva   
202
 
203
        * d10v_sim.h (INC_ADDR): Added code to assign
204
        proper address for loads with predec operations.
205
 
206
1999-11-25  Nick Clifton  
207
 
208
        * simops.c (OP_4E0F): New function: Simulate new bit pattern for
209
        cpfg instruction.
210
 
211
Fri Oct 29 18:34:28 1999  Andrew Cagney  
212
 
213
        * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
214
        DPSW and BPSW.
215
 
216
Thu Oct 28 01:26:18 1999  Andrew Cagney  
217
 
218
        * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
219
        (PSW_HW_MASK): Declare.
220
 
221
        * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
222
        (SET_CREG, SET_PSW_BIT): Update.
223
        (SET_HW_CREG, SET_HW_PSW): Define.
224
 
225
Sun Oct 24 21:38:04 1999  Andrew Cagney  
226
 
227
        * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
228
        for DMAP3.
229
 
230
Sun Oct 24 16:04:16 1999  Andrew Cagney  
231
 
232
        * interp.c (sim_d10v_translate_addr): New function.
233
        (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
234
        (map_memory): Make INLINE.
235
 
236
Sun Oct 24 13:45:19 1999  Andrew Cagney  
237
 
238
        * interp.c (sim_d10v_translate_dmap_addr): New function.
239
        (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
240
        offset parameter to type uint16.
241
        * d10v_sim.h (dmem_addr): Update declaration.
242
 
243
Sun Oct 24 13:07:31 1999  Andrew Cagney  
244
 
245
        * interp.c (imap_register, set_imap_register, dmap_register,
246
        set_imap_register): Use map_memory.
247
        (DMAP): Update.
248
        (sim_create_inferior): Initialize all DMAP registers.  NOTE that
249
        DMAP2, in internal memory mode, is set to 0x0000 and NOT
250
        0x2000. This is consistent with the older d10v boards.
251
 
252
Sun Oct 24 11:22:12 1999  Andrew Cagney  
253
 
254
        * interp.c (sim_d10v_translate_imap_addr): New function.
255
        (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
256
        (last_from, last_to): Declare.
257
 
258
Sun Oct 24 01:21:56 1999  Andrew Cagney  
259
 
260
        * d10v_sim.h (struct d10v_memory): Define.  Support very long
261
        memories.
262
        (struct _state): Replace imem, dmem and umem by mem.
263
        (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
264
        DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
265
 
266
        * interp.c (map_memory): New function.
267
        (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
268
        (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
269
        (IMEM_SIZEDMEM_SIZE): Delete.
270
 
271
Sat Oct 23 20:06:58 1999  Andrew Cagney  
272
 
273
        * interp.c: Include "sim-d10v.h".
274
        (imap_register, set_imap_register, dmap_register,
275
        set_dmap_register, spi_register, spu_register, set_spi_register,
276
        set_spu_register): New functions.
277
        (sim_create_inferior): Update.
278
        (sim_fetch_register, sim_store_register): Rewrite.  Use enums
279
        defined in sim-d10v.h.
280
 
281
        * d10v_sim.h (DEBUG_MEMORY): Define.
282
        (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
283
 
284
Sat Oct 23 18:41:18 1999  Andrew Cagney  
285
 
286
        * interp.c (sim_open): Allow a debug value to be passed to the -t
287
        option.
288
        (lookup_hash): Don't exit on an illegal instruction.
289
        (do_long, do_2_short, do_parallel): Check for failed instruction
290
        lookup.
291
 
292
Mon Oct 18 18:03:24 MDT 1999    Diego Novillo 
293
 
294
        * simops.c (OP_3220): Fix trace output for illegal accumulator
295
        message.
296
 
297
1999-09-14  Nick Clifton  
298
 
299
        * simops.c: Disable setting of DM bit in PSW.
300
 
301
Wed Sep  8 19:34:55 MDT 1999    Diego Novillo 
302
 
303
        * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
304
        (trace_input_func): Added support for OP_MEMREF3.
305
        (OP_32010000): New instruction ld.
306
        (OP_33010000): New instruction ld2w.
307
        (OP_5209): New instruction sac.
308
        (OP_4209): New instruction sachi.
309
        (OP_3220): New instruction slae.
310
        (OP_36010000): New instruction st.
311
        (OP_37010000): New instruction st2w.
312
 
313
1999-09-09  Stan Shebs  
314
 
315
        * interp.c (old_segment_mapping): New global.
316
        (xfer_mem): Change the default segment mapping to be the way
317
        that Mitsubishi prefers, but use the previous mapping if
318
        old_segment_mapping is true.
319
        (sim_open): Add an option -oldseg to get the old mapping.
320
        (sim_create_inferior): Init mapping registers based on the
321
        value of old_segment_mapping.
322
 
323
1999-09-07  Nick Clifton  
324
 
325
        * simops.c (OP_6601): Do not write back decremented address if
326
        either of the destination registers was the same as the address
327
        register.
328
        (OP_6201): Do not write back incremented address if either of the
329
        destination registers was the same as the address register.
330
 
331
Thu Sep  2 18:15:53 1999  Andrew Cagney  
332
 
333
        * configure: Regenerated to track ../common/aclocal.m4 changes.
334
 
335
1999-05-08  Felix Lee  
336
 
337
        * configure: Regenerated to track ../common/aclocal.m4 changes.
338
 
339
1999-04-02  Keith Seitz  
340
 
341
        * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
342
        defined).
343
        (sim_resume): If the counter has expired, call the ui_loop_hook,
344
        if defined.
345
        (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
346
        ui_loop_hook calls.
347
        * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
348
 
349
Wed Mar 10 19:32:13 1999  Nick Clifton  
350
 
351
        * simops.c: If load instruction with auto increment/decrement
352
        addressing is used when the destination register is the same as
353
        the address register, then ignore the auto increment/decrement.
354
 
355
Wed Mar 10 19:32:13 1999  Martin M. Hunt  
356
 
357
        * simops.c (OP_5F00): Ifdef SYS_stat case because
358
        not all systems have it defined.
359
 
360
1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
361
 
362
        * simops.c (OP_5607): Correct saturation comparison/assignment.
363
        (OP_1201, OP_1203, OP_17001200, OP_17001202,
364
         OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
365
         OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
366
 
367
1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
368
 
369
        * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
370
        comparison.
371
        (OP_5607): Ditto.
372
        (OP_2A00): Ditto.
373
        (OP_2800): Ditto.
374
 
375
1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
376
 
377
        * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
378
        comparison.
379
 
380
Tue Nov 24 17:04:43 1998  Andrew Cagney  
381
 
382
        * simops.c (sys/syscall.h): Include targ-vals.h instead.
383
        (SYS_*): Replace with TARGET_SYS_*.
384
 
385
        * Makefile.in: Add dependency on targ-vals.h.
386
        (NL_TARGET): Define as NL_TARGET_d10v.
387
 
388
Wed Sep 30 00:06:32 1998  Andrew Cagney  
389
 
390
        * interp.c (xfer_mem): Missing break, instruction memory case
391
        flowed into unified memory case.
392
 
393
Wed Sep 30 10:14:18 1998  Nick Clifton  
394
 
395
        * simops.c: If load instruction with auto increment/decrement
396
        addressing is used when the destination register is the same as
397
        the address register, then ignore the auto increment/decrement.
398
 
399
Tue Apr 28 18:33:31 1998  Geoffrey Noer  
400
 
401
        * configure: Regenerated to track ../common/aclocal.m4 changes.
402
 
403
Sun Apr 26 15:31:55 1998  Tom Tromey  
404
 
405
        * configure: Regenerated to track ../common/aclocal.m4 changes.
406
        * config.in: Ditto.
407
 
408
Sun Apr 26 15:20:23 1998  Tom Tromey  
409
 
410
        * acconfig.h: New file.
411
        * configure.in: Reverted change of Apr 24; use sinclude again.
412
 
413
Fri Apr 24 14:16:40 1998  Tom Tromey  
414
 
415
        * configure: Regenerated to track ../common/aclocal.m4 changes.
416
        * config.in: Ditto.
417
 
418
Fri Apr 24 11:20:06 1998  Tom Tromey  
419
 
420
        * configure.in: Don't call sinclude.
421
 
422
Fri Apr 24 11:04:46 1998  Andrew Cagney  
423
 
424
        * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
425
 
426
        * d10v_sim.h (remote-sim.h, sim-config.h): Include.
427
 
428
Sat Apr  4 20:36:25 1998  Andrew Cagney  
429
 
430
        * configure: Regenerated to track ../common/aclocal.m4 changes.
431
 
432
Wed Apr  1 12:59:17 1998  Andrew Cagney  
433
 
434
        * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
435
        up-to-date CR value.
436
        (OP_OP_1000000, add3): Trace inputs before performing add.
437
        (OP_5F00, <*>): Trace input registers before making system call.
438
        (OP_5F00, ): Trace R0, R1 not REGn.
439
        (OP_5F00, ): Always return 47.
440
 
441
        * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
442
        SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
443
        back slots.
444
        (struct _state): Add struct slot slot to global state variable.
445
        (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
446
        F0, F1, C from global State variable.
447
        (struct _state): Add struct trace to global State variable.
448
        (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
449
        (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
450
        (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
451
        (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
452
        (JMP): Re-implement. Use SET_* to update registers.
453
 
454
        * interp.c: Use new SET_* et.al. macros to fetch / store
455
        registers.
456
        (get_operands): Squirrel away trace values at start of each
457
        operand decode.
458
        (do_2_short): Flush pending writes before issuing second
459
        instruction.
460
        (sim_resume): Flush pending writes at end of instruction cycle.
461
        (sim_fetch_register, sim_store_register, sim_create_inferior):
462
        After scheduling updates to registers using SET_*, flush updates.
463
        (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
464
        that each sets pc using SET_* and last SET_* eventually winds out.
465
 
466
        * simops.c: Use new SET_* et.al. macros to fetch / store
467
        registers.
468
        (move_to_cr): Add MASK argument for selective update of CREG bits.
469
        Re-implement using new SET_* macros.
470
        (trace_output_func, trace_output): Delete. Replace with.
471
        (do_trace_output_flush, trace_output_finish, trace_output_40,
472
        trace_output_32, trace_output_16, trace_output_void,
473
        trace_output_flag): New functions.  Handle specific trace cases.
474
        (OP_*): Re-write tracing to use new trace_output_* functions.
475
        (OP_*): Re-write to use new SET_* et.al. macros.
476
        (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
477
        (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
478
 
479
Wed Apr  1 12:55:18 1998  Andrew Cagney  
480
 
481
        * configure.in (SIM_AC_OPTION_WARNINGS): Add.
482
        configure: Re-generate.
483
 
484
Fri Mar 27 16:15:52 1998  Andrew Cagney  
485
 
486
        * configure: Regenerated to track ../common/aclocal.m4 changes.
487
 
488
Wed Mar 25 12:35:29 1998  Andrew Cagney  
489
 
490
        * configure: Regenerated to track ../common/aclocal.m4 changes.
491
 
492
Wed Mar 18 12:38:12 1998  Andrew Cagney  
493
 
494
        * configure: Regenerated to track ../common/aclocal.m4 changes.
495
 
496
Tue Feb 17 12:38:42 1998  Andrew Cagney  
497
 
498
        * interp.c (sim_store_register, sim_fetch_register): Pass in
499
        length parameter.  Return -1.
500
 
501
Mon Oct 27 14:43:33 1997  Fred Fish  
502
 
503
        * (dmem_addr): If address is illegal or in I/O space, signal a bus
504
        error.  Allocate unified memory on demand.  Fix DMEM address
505
        calculations.
506
 
507
Mon Feb 16 10:27:53 1998  Andrew Cagney  
508
 
509
        * simops.c (OP_5F20): Implement "dbt".
510
        (OP_5F60): Implement "rtd".
511
 
512
        * d10v_sim.h (DPC_CR): Define enum.
513
        (DBT_VECTOR_START): Define
514
        (DPSW, DPC): Define.
515
 
516
Fri Feb 13 15:15:58 1998  Andrew Cagney  
517
 
518
        * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
519
        to PSW:SM.
520
 
521
        * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
522
        (SP_IDX): Define.
523
 
524
Wed Feb 11 16:53:49 1998  Andrew Cagney  
525
 
526
        * simops.c (OP_5F00): Call error instead of abort for unknown
527
        syscalls.
528
 
529
        * d10v_sim.h (enum): Define DPSW_CR.
530
 
531
        * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
532
 
533
Tue Feb 10 18:28:38 1998  Andrew Cagney  
534
 
535
        * interp.c (sim_write_phys): Delete.
536
        (sim_load): Call sim_load_file with sim_write and LMA.
537
 
538
Mon Feb  9 12:05:01 1998  Andrew Cagney  
539
 
540
        * interp.c: Rewrite xfer_mem so that it translates addresses as -
541
        0x00... - DMAP translated memory, 0x01... IMAP translated memory,
542
        0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
543
        memory.
544
        (pc_addr): Delete.
545
        (imem_addr): New function - translate IMEM address.
546
        (sim_resume): Use imem_addr to translate insn address, abort if
547
        translation failed.
548
        (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
549
        argc/argv using r0/r1 not r2/r3.
550
        (sim_size): Do not initialize IMAP/DMAP here.
551
        (sim_open): Call sim_create_inferior and sim_size to initialize
552
        the system.
553
        (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
554
        defaults.
555
        (init_system): Delete.
556
        (xfer_mem, sim_fetch_register, sim_store_register): Do not call
557
        init_system.
558
        (decode_pc): Check prog_bfd is defined before looking up .text
559
        section.
560
 
561
Sun Feb  1 16:47:51 1998  Andrew Cagney  
562
 
563
        * configure: Regenerated to track ../common/aclocal.m4 changes.
564
 
565
Sat Jan 31 18:15:41 1998  Andrew Cagney  
566
 
567
        * configure: Regenerated to track ../common/aclocal.m4 changes.
568
 
569
Sun Jan 25 22:23:01 1998  Michael Meissner  
570
 
571
        * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
572
 
573
Sat Jan 24 19:00:30 1998  Michael Meissner  
574
 
575
        * d10v_sim.h (DEBUG_TRAP): New debug flag.
576
 
577
        * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
578
        printing the registers.
579
 
580
Thu Jan 22 17:54:01 1998  Michael Meissner  
581
 
582
        * simops.c (op_types): New ABI, args are r0..r3, system call # is
583
        in r4.
584
        (trace_{in,out}put_func): Ditto.
585
        (OP_4900): Ditto.
586
        (OP_24800000): Ditto.
587
        (OP_4D00): Ditto.
588
        (OP_5F00): Ditto.
589
 
590
Thu Jan 22 14:30:36 1998  Fred Fish  
591
 
592
        * interp.c (UMEM_SEGMENTS): New define, set to 128.
593
        (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
594
        (sim_close): Reset prog_bfd to NULL after closing it.  Also
595
        reset prog_bfd_was_opened_p after closing prog_bfd.
596
        (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
597
        (sim_create_inferior): Get start address from abfd not prog_bfd.
598
        (xfer_mem): Do bounds checking on addresses and return zero length
599
        read/write on bad addresses, rather than aborting.  Prepare to
600
        be able to handle xfers that cross segment boundaries, but not
601
        yet implemented.  Only emit debug message when d10v_debug is
602
        set as well as DEBUG being defined.
603
 
604
Mon Jan 19 22:26:29 1998  Doug Evans  
605
 
606
        * configure: Regenerated to track ../common/aclocal.m4 changes.
607
 
608
Mon Dec 15 23:17:11 1997  Andrew Cagney  
609
 
610
        * configure: Regenerated to track ../common/aclocal.m4 changes.
611
        * config.in: Ditto.
612
 
613
Tue Dec  9 10:28:31 1997  Andrew Cagney  
614
 
615
        * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
616
        (BPSW): Ditto for BPSW_CR and not PSW_CR.
617
 
618
        * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
619
 
620
Mon Dec  8 12:58:33 1997  Andrew Cagney  
621
 
622
        * simops.c (OP_5F00): From Martin Hunt . Change
623
        reserved trap from 0 to 15. Add trap emulation code for 0-14.
624
 
625
        * interp.c (sim_resume): From Martin Hunt . Check
626
        IBA for SDBT.
627
 
628
        * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
629
        SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
630
 
631
        * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
632
        use move_to_cr.
633
        (OP_5F00): For "trap", update BPSW with move_to_cr.
634
 
635
Fri Dec  5 15:31:17 1997  Andrew Cagney  
636
 
637
        * d10v_sim.h (enum): Enumerate CR register names.
638
        (enum): Enumerate PSW bit values.
639
        (PSW): Obtain value uing move_from_cr.
640
        (MOD_S, MOD_E, BPSW): Make r-values.
641
        (move_from_cr, move_to_cr): Declare functions.
642
 
643
        * interp.c (sim_fetch_register, sim_store_register): Use
644
        move_from_cr and move_to_cr for CR register transfers.
645
 
646
        * simops.c (move_from_cr, move_to_cr): New functions.
647
        (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
648
        (OP_5600): For "mvtc", use function move_to_cr.
649
        (OP_5200): For "mvfc", use function move_from_cr.
650
 
651
Fri Dec  5 13:33:14 1997  Andrew Cagney  
652
 
653
        * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
654
        LSbit is zero.
655
 
656
Thu Dec  4 09:21:05 1997  Doug Evans  
657
 
658
        * configure: Regenerated to track ../common/aclocal.m4 changes.
659
 
660
Thu Dec  4 16:51:02 1997  Andrew Cagney  
661
 
662
        * d10v_sim.h (struct _state): Add DM - PSW debug mask.
663
 
664
        * simops.c (OP_5600): For "mvtc", save PSW.DM.
665
        (OP_5200): Ditto for "mvfc".
666
 
667
Wed Dec  3 17:27:06 1997  Andrew Cagney  
668
 
669
        * d10v_sim.h (SEXT56): Define.
670
 
671
        * simops.c (OP_4201): For "rac", sign extend 56 bit value before
672
        it is shifted.
673
 
674
        * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
675
        SIGNED64 macro.
676
 
677
Tue Dec  2 15:38:34 1997  Fred Fish  
678
 
679
        * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
680
        RIGHT_FIRST, as appropriate, instead of hardcoded ints that
681
        don't match enum values.
682
 
683
Tue Dec  2 15:01:08 1997  Andrew Cagney  
684
 
685
        * simops.c (OP_3A00): For "macu", perform multiply stage using 32
686
        bit rather than 16 bit precision.
687
        (OP_3C00): For "mulxu", store unsigned product in ACC.
688
        (OP_3800): For "msbu", subtract unsigned product from ACC,
689
        (OP_0): For "sub", compute carry by comparing inputs.
690
 
691
Tue Dec  2 11:04:37 1997  Andrew Cagney  
692
 
693
        * simops.c (OP_1000): For "sub2w", compute carry by comparing
694
        inputs.
695
 
696
Mon Nov 17 20:57:21 1997  Andrew Cagney  
697
 
698
        * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
699
        carry indicated by value > 0xffff.
700
 
701
Fri Nov 14 12:51:20 1997  Andrew Cagney  
702
 
703
        * interp.c (sim_resume): Don't set up SIGINT handler using signal,
704
        handled by client.
705
        (sim_resume): Fix race condition of a direct assignment to
706
        stop_simulator, conditionally call sim_stop.
707
        (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
708
        stop_simulator ready for next sim_resume call.
709
        (sim_ctrl_c): Delete function.
710
 
711
Thu Nov 13 19:29:34 1997  Andrew Cagney  
712
 
713
        * interp.c (sim_resume): For "REP", only check/update the PC when
714
        a branch instruction has not been executed.
715
 
716
Mon Nov 10 17:50:18 1997  Andrew Cagney  
717
 
718
        * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
719
        extend bit 44 all constants.
720
        (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
721
 
722
Fri Oct 24 10:26:29 1997  Andrew Cagney  
723
 
724
        * d10v_sim.h: Include sim-types.h.
725
        (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
726
        using unsigned8 et.al. from sim-types.h.
727
        (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
728
        SIGNED64 macro.
729
 
730
Wed Oct 22 14:43:00 1997  Andrew Cagney  
731
 
732
        * interp.c (sim_write_phys): New function, write to physical
733
        instead of virtual memory.
734
 
735
        * interp.c (sim_load): Pass lma_p and sim_write_phys to
736
        sim_load_file.
737
 
738
Mon Oct 13 10:55:07 1997  Fred Fish  
739
 
740
        * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
741
        exception generation code to OP_6E01.
742
        (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
743
        generation code.
744
 
745
Sat Oct 11 09:02:08 1997  Fred Fish  
746
 
747
        * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
748
        (OP_6601): Ditto.
749
 
750
Fri Oct  3 09:28:00 1997  Andrew Cagney  
751
 
752
        * configure: Regenerated to track ../common/aclocal.m4 changes.
753
 
754
Sat Sep 27 12:51:34 1997  Fred Fish  
755
 
756
        * interp.c (pc_addr): Discard upper bit(s) of PC in case
757
        IMAP1 selects unified memory.
758
        * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
759
        for end condition.
760
 
761
Wed Sep 24 17:38:57 1997  Andrew Cagney  
762
 
763
        * configure: Regenerated to track ../common/aclocal.m4 changes.
764
 
765
Tue Sep 23 11:04:38 1997  Andrew Cagney  
766
 
767
        * configure: Regenerated to track ../common/aclocal.m4 changes.
768
 
769
Mon Sep 22 11:46:20 1997  Andrew Cagney  
770
 
771
        * configure: Regenerated to track ../common/aclocal.m4 changes.
772
 
773
Fri Sep 19 17:45:25 1997  Andrew Cagney  
774
 
775
        * configure: Regenerated to track ../common/aclocal.m4 changes.
776
 
777
Mon Sep 15 17:36:15 1997  Andrew Cagney  
778
 
779
        * configure: Regenerated to track ../common/aclocal.m4 changes.
780
 
781
Wed Sep 10 22:30:24 1997  Martin M. Hunt  
782
 
783
        * interp.c (sim_resume): Increment PC at end of rep
784
        loop.
785
 
786
        * simops.c (OP_4201): Fix rachi instruction.
787
 
788
Thu Sep  4 17:21:23 1997  Doug Evans  
789
 
790
        * configure: Regenerated to track ../common/aclocal.m4 changes.
791
 
792
Wed Aug 27 18:13:22 1997  Andrew Cagney  
793
 
794
        * configure: Regenerated to track ../common/aclocal.m4 changes.
795
        * config.in: Ditto.
796
 
797
Tue Aug 26 10:37:49 1997  Andrew Cagney  
798
 
799
        * interp.c (sim_kill): Delete.
800
        (sim_create_inferior): Add ABFD argument.
801
        (sim_load): Move setting of PC from here.
802
        (sim_create_inferior): To here.
803
        (start_address): Delete variable.
804
 
805
Mon Aug 25 17:50:22 1997  Andrew Cagney  
806
 
807
        * configure: Regenerated to track ../common/aclocal.m4 changes.
808
        * config.in: Ditto.
809
 
810
Mon Aug 25 15:39:29 1997  Andrew Cagney  
811
 
812
        * interp.c (sim_open): Add ABFD argument.
813
 
814
Tue May 20 10:14:45 1997  Andrew Cagney  
815
 
816
        * interp.c (sim_open): Add callback argument.
817
        (sim_set_callbacks): Remove SIM_DESC argument.
818
 
819
Thu Apr 24 00:39:51 1997  Doug Evans  
820
 
821
        * configure: Regenerated to track ../common/aclocal.m4 changes.
822
 
823
Tue Apr 22 10:29:23 1997  Doug Evans  
824
 
825
        * interp.c (sim_open): Undo patch to add -E support.
826
 
827
Fri Apr 18 13:39:01 1997  Andrew Cagney  
828
 
829
        * interp.c (sim_stop): New function.
830
 
831
Thu Apr 17 02:42:00 1997  Doug Evans  
832
 
833
        * Makefile.in (SIM_OBJS): Add sim-load.o.
834
        * d10v_sim.h (exec_bfd): Rename to prog_bfd.
835
        * interp.c: #include bfd.h.
836
        (myname, sim_kind, start_address): New static locals.
837
        (prog_bfd_was_opened_p, prog_bfd): New static locals.
838
        (decode_pc): Update to use prog_bfd.
839
        (sim_open): Set sim_kind, myname.  Ignore -E arg.
840
        (sim_close): Close prog_bfd if simulator opened it.
841
        (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
842
        (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
843
        Call sim_load_file to load file into simulator.
844
        * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
845
 
846
Wed Apr 16 16:12:03 1997  Andrew Cagney  
847
 
848
        * simops.c (OP_5F00): Only provide system calls SYS_execv,
849
        SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
850
 
851
Mon Apr  7 15:45:02 1997  Andrew Cagney  
852
 
853
        * configure: Regenerated to track ../common/aclocal.m4 changes.
854
        * config.in: Ditto.
855
 
856
Wed Apr  2 15:06:28 1997  Doug Evans  
857
 
858
        * interp.c (sim_open): New arg `kind'.
859
 
860
        * configure: Regenerated to track ../common/aclocal.m4 changes.
861
 
862
Wed Apr  2 14:34:19 1997 Andrew Cagney 
863
 
864
        * configure: Regenerated to track ../common/aclocal.m4 changes.
865
 
866
Mon Mar 17 15:10:07 1997  Andrew Cagney  
867
 
868
        * configure: Re-generate.
869
 
870
Fri Mar 14 10:34:11 1997  Michael Meissner  
871
 
872
        * configure: Regenerate to track ../common/aclocal.m4 changes.
873
 
874
        * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
875
        as trap 0, which will be deprecated.  Only set errno, if an error
876
        in fact was returned.
877
 
878
Thu Mar 13 12:41:20 1997  Doug Evans  
879
 
880
        * interp.c: Delete redundant prototypes of sim_foo fns.
881
        (sim_open): New SIM_DESC result.  Argument is now in argv form.
882
        (other sim_*): New SIM_DESC argument.
883
 
884
Thu Mar 13 10:29:04 1997  Michael Meissner  
885
 
886
        * simops.c (trace_{input,output}_func): Call flush_stdout from the
887
        callback functions.
888
        (OP_5F00): Ditto.
889
        (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
890
        (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
891
        setting the carry bit after an add or a subtract.
892
 
893
Wed Feb 12 16:04:15 1997  Michael Meissner  
894
 
895
        * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
896
        40 bits of accumulators.  Sign/zero extend as appropriate.
897
 
898
Tue Feb  4 13:33:30 1997  Doug Evans  
899
 
900
        * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
901
        COMMON_{PRE,POST}_CONFIG_FRAG instead.
902
        * configure.in: sinclude ../common/aclocal.m4.
903
        * configure: Regenerated.
904
 
905
Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
906
 
907
        * configure configure.in Makefile.in:  Update to new configure
908
        scheme which is more compatible with WinGDB builds.
909
        * configure.in:  Improve comment on how to run autoconf.
910
        * configure:  Re-run autoconf to get new ../common/aclocal.m4.
911
        * Makefile.in:  Use autoconf substitution to install common
912
        makefile fragment.
913
 
914
Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
915
 
916
        * gencode.c: patch to not #include "d10v_sim.h" which
917
        unecessarily includes bfd.h and causes wingdb configure
918
        to fail.
919
 
920
Mon Dec 16 13:39:03 1996  Martin M. Hunt  
921
 
922
        * interp.c (xfer_mem): Change unified memory to 0x0.
923
 
924
Thu Nov 28 20:42:56 1996  Michael Meissner  
925
 
926
        * simops.c (OP_3E01): Fix tracing information.
927
        (OP_300{0,1}): Do not propigate sign.
928
 
929
Mon Nov 25 19:47:40 1996  Doug Evans  
930
 
931
        * config.in (WORDS_BIGENDIAN): Add.
932
        * configure: Regenerated.
933
        * d10v_sim.h: #include "config.h"
934
 
935
Sat Nov 23 09:34:50 1996  Michael Meissner  
936
 
937
        * gencode.c (write_opcodes): Eliminate warnings when generated
938
        table.c is compiled.
939
 
940
Wed Nov 20 19:41:40 1996  Michael Meissner  
941
 
942
        * interp.c (sim_open): Cast result of calloc, and make sure NULL
943
        was not returned.
944
        (dmem_addr): If address is illegal or in I/O space, signal a bus
945
        error.
946
        (pc_addr): Signal bus error, not illegal instruction for bogus
947
        pc.
948
 
949
Wed Nov 20 01:23:03 1996  Doug Evans  
950
 
951
        * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
952
        (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
953
        * configure.in: Simplify using macros in ../common/aclocal.m4.
954
        Call AC_CHECK_HEADERS(unistd.h).
955
        * configure: Regenerated.
956
        * config.in: New file.
957
        * interp.c: #include "callback.h".
958
        * simops.c: #include "config.h".  #include  if present.
959
 
960
Fri Nov  8 16:19:55 1996  Martin M. Hunt  
961
 
962
        * d10v-sim.h (simops): Add flag is_long.
963
        (State): Add pc_changed.  Instructions which update the PC should
964
        use the JMP macro which sets this.
965
        (JMP): New macro.  Sets the PC and the pc_changed flag.
966
 
967
        * gencode.c (write_opcodes): Add is_long field.
968
 
969
        * interp.c (lookup_hash): If we blindly apply a short opcode's mask
970
        to a long opcode we could get a false match.  Check the opcode size.
971
        (hash): Add a size field to the hash table.
972
        (sim_open): Initialize size field in hash table.
973
        (sim_resume): Change to logic for setting the PC.  Used to increment the
974
        PC if it had not been changed.  This didn't allow single-instruction loops.
975
        Now checks the flag State.pc_changed.  Also now stops when ^C is received.
976
        (dmem_addr): Fix translation of data segments to unified memory.
977
        (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
978
 
979
        * simops.c: Changed all branch and jump instructions to use new JMP macro.
980
        (OP_20000000): Corrected trace information to show this is a ldi.l, not
981
        a ldi.s instruction.
982
 
983
Thu Oct 31 19:13:55 1996  Martin M. Hunt  
984
 
985
        * interp.c (sim_fetch_register, sim_store_register): Fix bug where
986
        updating the accumulators was overwriting other parts of the global
987
        State variable.
988
 
989
Wed Oct 30 17:35:14 1996  Michael Meissner  
990
 
991
        * interp.c (bfd.h) Don't include it here any more.
992
        (text{,_start,_end}): Move here from simops.c and make extern.
993
        (decode_pc): New function to return the PC as an address that the
994
        debugger can use.
995
        (dmem_addr): Print decoded PC in error message.
996
        (pc_addr): Ditto.
997
 
998
        * simops.c (bfd.h) Don't include it here any more.
999
        (text{,_start,_end}): Move to simops.c.
1000
        (trace_input_func): Move decoding of PC, and looking up .text
1001
        start to decode_pc.
1002
 
1003
        * d10v_sim.h (bfd.h): Include it here.
1004
        (text{,_start,_end}): Add external declarations.
1005
        (exec_bfd): Ditto.
1006
        (decode_pc): Ditto.
1007
 
1008
Tue Oct 29 12:13:52 1996  Martin M. Hunt  
1009
 
1010
        * interp.c (sim_size): Now allocates unified memory for imap segments
1011
        0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1012
        (sim_write): Just call xfer_mem().
1013
        (sim_read): Just call xfer_mem().
1014
        (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1015
        (dmem_addr): New function. Reads dmap register and translates data
1016
        addresses to local addresses.
1017
        (pc_addr): New function. Reads imap register and computes local address
1018
        corresponding to contents of the PC.
1019
        (sim_resume): Change to use pc_addr().
1020
        (sim_create_inferior): Change reinitialization code. Also reinitializes
1021
        imap[01] and dmap.
1022
        (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1023
        (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1024
 
1025
        * simops.c (MEMPTR): Redefine to use dmem_addr().
1026
        (OP_5F00): Replace references to STate.imem with dmem_addr().
1027
 
1028
        * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1029
        (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1030
        (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1031
 
1032
Tue Oct 22 15:22:33 1996  Michael Meissner  
1033
 
1034
        * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1035
        better statistics, like not counting NOPS as parallel
1036
        instructions, and printing total cycles.
1037
        (ins_type_counters): Make unsigned long.
1038
        (left_nops,right_nops): Fold into ins_type_counters.
1039
 
1040
        * simops.c (trace_input_func): Print new instruction types.
1041
        Handle OP_R2R3 as input types.
1042
        (OP_{38000000,7000}): Correctly sign extend bytes.
1043
        (OP_5E00): Don't count NOPs as parallel instructions.
1044
        (OP_460B): Remove unused variable.
1045
        (OP_5F00): Ditto.
1046
 
1047
        * interp.c (ins_type_counters): Make unsigned long.
1048
        (left_nops,right_nops): Delete.
1049
        (most functions): Add prototypes.
1050
        (INLINE): If GCC and optimize define as __inline__.
1051
        ({,lookup_}hash,get_operands): Declare as INLINE.
1052
        (do_parallel): Count conditional operations.
1053
        (add_commas): New function, to add commas every 3 digits.
1054
        (sim_size): Call add_commas to print numbers.
1055
        (sim_{open,resume}): Delete unused variables.
1056
        (sim_info): Provide better statistics.
1057
        (sim_read): Add int return type.
1058
 
1059
Mon Oct 21 16:16:26 1996  Martin M. Hunt  
1060
 
1061
        * interp.c (sim_resume): Change the way single-stepping and exceptions
1062
        are handled so single-stepping works again.
1063
 
1064
Thu Oct 17 12:24:16 1996  Michael Meissner  
1065
 
1066
        * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1067
        endian hosts.
1068
 
1069
        * configure.in (--enable-sim-bswap): New switch to enable using
1070
        the BSWAP instruction on x86's.
1071
        * configure: Regenerate.
1072
 
1073
        * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1074
        support.
1075
 
1076
Wed Oct 16 13:50:06 1996  Michael Meissner  
1077
 
1078
        * endian.c: New file.  Move endian functions here from interp.c.
1079
        Optimize code, and make it work as either inline functions or as a
1080
        separate file.
1081
 
1082
        * interp.c: Move endian functions from here to endian.c.
1083
 
1084
        * Makefile.in (INCLUDE): Add endian.c.
1085
        (run,libsim.a): Add dependency on endian.o.
1086
        (endian.o): Add dependency.
1087
 
1088
        * d10v_sim.h (read/write support): Always go through the machine
1089
        independent endian functions.  If compiling with GCC and
1090
        optimizing, include endian.c so the endian functions are inlined.
1091
 
1092
        * simops.c (OP_5F00): Correct tracing of accumulators.
1093
 
1094
Tue Oct 15 10:57:50 1996  Michael Meissner  
1095
 
1096
        * simops.c (OP_5F00): Add support for getpid, kill system calls.
1097
 
1098
        * interp.c (do_{2_short,parallel}): If an exception is raised,
1099
        don't execute the second instruction.
1100
 
1101
Sat Oct 12 22:17:43 1996  Michael Meissner  
1102
 
1103
        * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1104
        temporary in case the register is overriden when loading.
1105
        (OP_6200): Output type is OP_DREG for tracing.
1106
 
1107
Fri Oct  4 23:46:18 1996  Michael Meissner  
1108
 
1109
        * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1110
 
1111
        * interp.c (sim_size): Initialize mem_{min,max} fields.
1112
        (sim_write): Update mem_{min,max} fields.
1113
        (sim_resume): If PC is not in the minimum/maximum memory range,
1114
        abort.
1115
        (sim_create_inferior): Preserve mem_{min,max} fields.
1116
 
1117
Fri Sep 27 13:11:58 1996  Mark Alexander  
1118
 
1119
        * simops.c (OP_5F00): Add support for time() system call.
1120
 
1121
Wed Sep 25 16:31:41 1996  Michael Meissner  
1122
 
1123
        * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1124
        stored if tracing.
1125
        (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1126
        system calls.
1127
 
1128
Mon Sep 23 17:55:30 1996  Michael Meissner  
1129
 
1130
        * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1131
        (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1132
        (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1133
        to call/subroutine returns to trace the first two arguments and
1134
        the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1135
 
1136
Fri Sep 20 15:36:45 1996  Martin M. Hunt  
1137
 
1138
        * interp.c (sim_create_inferior): Reinitialize State every time
1139
        sim_create_inferior() is called.
1140
 
1141
Thu Sep 19 21:38:20 1996  Michael Meissner  
1142
 
1143
        * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1144
        on comparisons.
1145
        (OP_401): Fix tracing information.
1146
 
1147
Thu Sep 19 10:30:22 1996  Michael Meissner  
1148
 
1149
        * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1150
        (trace_input_func): Use them.
1151
        (trace_input_func): Make sure there is a trailing space after the
1152
        instruction.
1153
        (OP_6200): Fix tracing info.
1154
 
1155
        * Makefile.in (run): Add dependencies on libbfd.a and
1156
        libiberity.a.
1157
 
1158
Wed Sep 18 09:13:25 1996  Michael Meissner  
1159
 
1160
        * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1161
        numbers and function names in debug trace.
1162
        (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1163
        DEBUG_LINE_NUMBER.
1164
        (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1165
        and exit system call trap being executed.
1166
 
1167
        * interp.c (sim_stop_reason): Set exit code correctly for stop
1168
        instruction and exit system call trap.
1169
 
1170
        * configure.in (--enable-sim-cflags): Remove trace case.
1171
        (--enable-sim-debug): New switch to set the debug values.
1172
        * configure: Regenerate.
1173
 
1174
        * simops.c (trace_{input,output}_func): Rename from
1175
        trace_{input,output}.
1176
        (trace_{input,output}): Call trace_{input,output}_func if
1177
        d10v_debug is non-zero.
1178
        (SIZE_INSTRUCTION): Cut down to 8.
1179
        (SIZE_OPERANDS): Cut down to 18.
1180
        (SIZE_LOCATION): New value for size of line number, function name
1181
        field.
1182
        (init_text_p,text{,_start,_end}): New static variables for
1183
        printing line number and function name.
1184
        (exec_bfd): New external that run.c sets.
1185
        (trace_input_func): Print line number and function name if
1186
        available and if desired.
1187
        (OP_4E09): Don't print out DBT message.
1188
        (OP_5FE0): Set exception field to SIG_D10V_STOP.
1189
        (OP_5F00): Set exception field to SIG_D10V_EXIT.
1190
 
1191
Sat Sep 14 22:18:43 1996  Michael Meissner  
1192
 
1193
        * interp.c (do_2_short): If the instruction encodes jump->ins,
1194
        don't do the second instruction if the jump succeeds.
1195
 
1196
Fri Sep 13 22:35:19 1996  Michael Meissner  
1197
 
1198
        * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1199
        accumulators, PC, and F0/F1/C flags.
1200
 
1201
Thu Sep 12 12:50:11 1996  Mark Alexander  
1202
 
1203
        * simops.c (OP_5F00): Fix problems with system calls.
1204
 
1205
Thu Sep 12 12:19:28 1996  Michael Meissner  
1206
 
1207
        * simops.c (OP_5F00): Correct tracing information for trap.
1208
 
1209
Wed Sep 11 18:55:50 1996  Michael Meissner  
1210
 
1211
        * Makefile.in (CSEARCH): Correctly find opcodes directory.
1212
 
1213
Mon Sep  9 13:27:26 1996  Michael Meissner  
1214
 
1215
        * simops.c (trace_output): Properly align accumulator output.
1216
        (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1217
        if shift count is too high.
1218
        (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1219
        (OP_4E09): Make cpfg properly trace the input flags.
1220
        (op_types): Add OP_FLAG_OUTPUT.
1221
        (trace_{input,output}): Support OP_FLAG_OUTPUT.
1222
        (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1223
        an 8-bit memory reference instruction for tracing purposes.
1224
        (OP_201): Addi needs to set the carry.
1225
 
1226
Fri Sep  6 17:56:17 1996  Martin M. Hunt  
1227
 
1228
        * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1229
        to use signed register values.
1230
 
1231
Wed Sep  4 11:35:17 1996  Michael Meissner  
1232
 
1233
        * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1234
        output.
1235
        (_ins_type): New enumeration to specify which container an
1236
        instruction is in, and whether it is part of a parallel operation.
1237
        (_state): Add ins_type field.
1238
        ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1239
        (ins_type_counters): Counters for the various instruction types.
1240
        ({left,right}_nops): Counters for the number of nops in each
1241
        container.
1242
        (d10v_debug): New variable to indicate whether debugging is turned
1243
        on.
1244
 
1245
        * simops.c: (all functions): Change all #ifdef DEBUG code so that
1246
        the input and output values can be traced, along with the
1247
        instruction type.  Make the -t option enable tracing.
1248
        (all functions): Change printf calls to use the printf_filtered
1249
        function in the callback table.
1250
 
1251
        * interp.c (_leftright): New enumeration to say whether 2 short
1252
        instructions are done left first or right first.
1253
        (do_{long,2_short,parallel}): Indicate in the machine state which
1254
        type of instruction this is.  Count each of the types of
1255
        instructions executed.
1256
        (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1257
        flag is set.
1258
        (sim_resume): Pass left/right indication to do_2_short.
1259
        (all functions): Change printf calls to use the printf_filtered
1260
        function in the callback table.
1261
        (sim_trace): Turn on debug flag if DEBUG was defined, and call
1262
        sim_resume.
1263
        (sim_info): Print out statistics on instructions.
1264
        (sim_{trace,create_inferior}): Eliminate extraneous output unless
1265
        debugging.
1266
        (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1267
        Only initialize the hash table the first time sim_open is called.
1268
 
1269
        * Makefile.in: Make objects depend on d10v_sim.h.
1270
        ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1271
        CFLAGS does not override host/target defines or SIM_CFLAGS.
1272
        (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1273
        (run): By default, the math library is not needed to be linked
1274
        in.
1275
        ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1276
        overridden.
1277
        (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1278
        makes.
1279
        ({run,callback}.o): Provide explicit paths to their appropriate
1280
        source directories.
1281
        (gencode{,.o},d10v-opc.o): Split compilation into creating object
1282
        and linking.  Instead of linking in libopcodes.a, just compile
1283
        d10v-opc.o directly to handle canadian cross.
1284
        (CSEARCH): Add opcodes directory.
1285
 
1286
        * configure.in (--enable-sim-cflags): New switch to allow user to
1287
        set the defaults.
1288
        (CC_FOR_BUILD): Deal with canadian crosses.
1289
        * configure: Regenerate.
1290
 
1291
Wed Sep 04 04:45:34 1996  Mark Alexander  
1292
 
1293
        * simops.c: Include correct syscall.h for d10v, not host's.
1294
        Fix #ifdef SYS_stat.
1295
 
1296
Tue Sep  3 14:00:04 1996  Michael Meissner  
1297
 
1298
        * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1299
        Add trap 2 to be printf and trap 3 to be putchar.
1300
 
1301
Wed Aug 28 21:42:34 1996  Mark Alexander  
1302
 
1303
        * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1304
        for low-level system calls.
1305
 
1306
Wed Aug 28 17:33:19 1996  Martin M. Hunt  
1307
 
1308
        * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1309
 
1310
Mon Aug 26 18:30:28 1996  Martin M. Hunt  
1311
 
1312
        * d10v_sim.h (SEXT32): Added.
1313
        * interp.c: Commented out printfs.
1314
        * simops.c:  Fixed error in sb and st2w.
1315
 
1316
Thu Aug 15 13:30:03 1996  Martin M. Hunt  
1317
 
1318
        * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1319
        DSP instructions.  Added modulo addressing.
1320
 
1321
Sun Aug 11 12:57:15 1996  Martin M. Hunt  
1322
 
1323
        * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1324
 
1325
Fri Aug  2 17:44:24 1996  Martin M. Hunt  
1326
 
1327
        * d10v_sim.h, simops.c: Snapshot.
1328
 
1329
Thu Aug  1 17:05:24 1996  Martin M. Hunt  
1330
 
1331
        * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1332
        gencode.c, interp.c, simops.c: Created.
1333
 

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