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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [sim/] [d10v/] [ChangeLog] - Blame information for rev 281

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Line No. Rev Author Line
1 227 jeremybenn
2010-01-09  Ralf Wildenhues  
2
 
3
        * configure: Regenerate.
4
 
5
2009-08-22  Ralf Wildenhues  
6
 
7
        * config.in: Regenerate.
8
        * configure: Likewise.
9
 
10
        * configure: Regenerate.
11
 
12
2008-07-11  Hans-Peter Nilsson  
13
 
14
        * configure: Regenerate to track ../common/common.m4 changes.
15
        * config.in: Ditto.
16
 
17
2008-06-06  Vladimir Prus  
18
            Daniel Jacobowitz  
19
            Joseph Myers  
20
 
21
        * configure: Regenerate.
22
 
23
2006-12-21  Hans-Peter Nilsson  
24
 
25
        * acconfig.h: Remove.
26
        * config.in: Regenerate.
27
 
28
2006-06-13  Richard Earnshaw  
29
 
30
        * configure: Regenerated.
31
 
32
2006-06-05  Daniel Jacobowitz  
33
 
34
        * configure: Regenerated.
35
 
36
2006-05-31  Daniel Jacobowitz  
37
 
38
        * configure: Regenerated.
39
 
40
2006-04-18  Nick Clifton  
41
 
42
        * interp.c (sim_stop_reason): Fix typo.
43
 
44
2005-11-28  Mark Mitchell  
45
 
46
        * interp.c (gdb/signals.h): Include it.
47
        (sim_stop_reason): Use TARGET_SIGNAL_*.
48
 
49
2005-03-23  Mark Kettenis  
50
 
51
        * configure: Regenerate.
52
 
53
2005-01-14  Andrew Cagney  
54
 
55
        * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
56
        explicit call to AC_CONFIG_HEADER.
57
        * configure: Regenerate.
58
 
59
2005-01-12  Andrew Cagney  
60
 
61
        * configure.ac: Update to use ../common/common.m4.
62
        * configure: Re-generate.
63
 
64
2005-01-11  Andrew Cagney  
65
 
66
        * configure: Regenerated to track ../common/aclocal.m4 changes.
67
 
68
2005-01-07  Andrew Cagney  
69
 
70
        * configure.ac: Rename configure.in, require autoconf 2.59.
71
        * configure: Re-generate.
72
 
73
2004-12-08  Hans-Peter Nilsson  
74
 
75
        * configure: Regenerate for ../common/aclocal.m4 update.
76
 
77
2004-06-28  Andrew Cagney  
78
 
79
        * interp.c (sim_resume): Rename ui_loop_hook to
80
        deprecated_ui_loop_hook.
81
 
82
2003-10-30  Andrew Cagney  
83
 
84
        * simops.c: Replace "struct symbol_cache_entry" with "struct
85
        bfd_symbol".
86
 
87
2003-06-22  Andrew Cagney  
88
 
89
        * interp.c (xfer_mem): Simplify.  Only do a single partial
90
        transfer.  Problem reported by Tom Rix.
91
 
92
2003-05-07  Andrew Cagney  
93
 
94
        * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
95
        (sim_d10v_translate_imap_addr): Ditto.
96
        (sim_d10v_translate_dmap_addr): Ditto.
97
        (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
98
        (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
99
        (dmap_register, imap_register): Add "regcache" parameter.
100
        (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
101
        (sim_fetch_register): Pass NULL regcache to imap_register and
102
        dmap_register.
103
 
104
2003-02-27  Andrew Cagney  
105
 
106
        * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
107
 
108
2002-11-13  Andrew Cagney  
109
 
110
        * simops.c: Include .
111
 
112
2002-06-17  Andrew Cagney  
113
 
114
        * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
115
 
116
2002-06-16  Andrew Cagney  
117
 
118
        * configure: Regenerated to track ../common/aclocal.m4 changes.
119
 
120
2002-06-13  Tom Rix  
121
 
122
        * interp.c (xfer_mem): Fix transfers across multiple segments.
123
 
124
2002-06-09  Andrew Cagney  
125
 
126
        * Makefile.in (INCLUDE): Update path to callback.h.
127
        * gencode.c: Do not include "callback.h".
128
        * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
129
        * interp.c: Ditto.
130
 
131
2002-06-08  Andrew Cagney  
132
 
133
        * interp.c (sim_fetch_register): Fix name of enum used in cast.
134
        (sim_store_register): Ditto.
135
 
136
2002-06-02  Elena Zannoni  
137
 
138
        From Jason Eckhardt 
139
        * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
140
        less than MOD_S (post-decrement).
141
 
142
2002-06-01  Andrew Cagney  
143
 
144
        * interp.c (sim_fetch_register, sim_store_register): Use a switch
145
        statement and enums from "sim-d10v.h".
146
 
147
2002-05-28  Elena Zannoni  
148
 
149
        * interp.c (sim_create_inferior): Add comment.
150
 
151
        From Alan Matsuoka :
152
        From 2001-04-27 Jason Eckhardt :
153
        * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
154
        (OP_4401): Output "mvf0t" instead of "mf0t".
155
        (OP_460B): Do not output a flag register.
156
        (OP_4609): Do not output a flag register.
157
 
158
2002-05-23  Andrew Cagney  
159
 
160
        * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
161
        * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
162
 
163
2001-08-01  John R. Moore  
164
 
165
        * interp.c (sim_create_inferior): Removed a hack that stated
166
        it was setting r0/r1 with argc/argv.
167
 
168
2001-04-15  J.T. Conklin  
169
 
170
        * Makefile.in (simops.o): Add simops.h to dependency list.
171
 
172
Tue May 23 21:39:23 2000  Andrew Cagney  
173
 
174
        * configure: Regenerated to track ../common/aclocal.m4 changes.
175
 
176
Tue Apr 18 16:26:41 2000  Andrew Cagney  
177
 
178
        * interp.c (sim_resume): Deliver SIGILL.
179
        (lookup_hash): Do not print SIGILL message.
180
 
181
Tue Feb 22 18:24:56 2000  Andrew Cagney  
182
 
183
        * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
184
        * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
185
 
186
Tue Feb  8 17:41:12 2000  Andrew Cagney  
187
 
188
        * d10v_sim.h (SIG_D10V_BUS): Define.
189
 
190
        * simops.c (address_exception): Delete function.
191
        (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
192
        OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
193
        OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
194
        OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
195
        address_exception with code that sets SIG_D10V_BUS.
196
 
197
        * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
198
        error to the simulator before resuming execution.
199
        (sim_trace): Check stop reason and use that to determine sim_trace
200
        return value.
201
        (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
202
        sigrc.
203
 
204
Tue Jan 18 16:07:42 MST 2000    Diego Novillo 
205
 
206
        * interp.c (sim_create_inferior): Change internal initial value for
207
        DMAP2 to 0x2000.
208
 
209
Mon Jan  3 02:06:07 2000  Andrew Cagney  
210
 
211
        * interp.c (lookup_hash): Stop the update of the PC when there was
212
        an illegal instruction exception.
213
 
214
Mon Jan  3 00:14:33 2000  Andrew Cagney  
215
 
216
        * simops.c (address_exception): New function.
217
        (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
218
        OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
219
        OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
220
        OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
221
        and "st2w" check that the address is aligned.
222
 
223
1999-12-30  Chandra Chavva   
224
 
225
        * d10v_sim.h (INC_ADDR): Added code to assign
226
        proper address for loads with predec operations.
227
 
228
1999-11-25  Nick Clifton  
229
 
230
        * simops.c (OP_4E0F): New function: Simulate new bit pattern for
231
        cpfg instruction.
232
 
233
Fri Oct 29 18:34:28 1999  Andrew Cagney  
234
 
235
        * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
236
        DPSW and BPSW.
237
 
238
Thu Oct 28 01:26:18 1999  Andrew Cagney  
239
 
240
        * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
241
        (PSW_HW_MASK): Declare.
242
 
243
        * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
244
        (SET_CREG, SET_PSW_BIT): Update.
245
        (SET_HW_CREG, SET_HW_PSW): Define.
246
 
247
Sun Oct 24 21:38:04 1999  Andrew Cagney  
248
 
249
        * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
250
        for DMAP3.
251
 
252
Sun Oct 24 16:04:16 1999  Andrew Cagney  
253
 
254
        * interp.c (sim_d10v_translate_addr): New function.
255
        (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
256
        (map_memory): Make INLINE.
257
 
258
Sun Oct 24 13:45:19 1999  Andrew Cagney  
259
 
260
        * interp.c (sim_d10v_translate_dmap_addr): New function.
261
        (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
262
        offset parameter to type uint16.
263
        * d10v_sim.h (dmem_addr): Update declaration.
264
 
265
Sun Oct 24 13:07:31 1999  Andrew Cagney  
266
 
267
        * interp.c (imap_register, set_imap_register, dmap_register,
268
        set_imap_register): Use map_memory.
269
        (DMAP): Update.
270
        (sim_create_inferior): Initialize all DMAP registers.  NOTE that
271
        DMAP2, in internal memory mode, is set to 0x0000 and NOT
272
        0x2000. This is consistent with the older d10v boards.
273
 
274
Sun Oct 24 11:22:12 1999  Andrew Cagney  
275
 
276
        * interp.c (sim_d10v_translate_imap_addr): New function.
277
        (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
278
        (last_from, last_to): Declare.
279
 
280
Sun Oct 24 01:21:56 1999  Andrew Cagney  
281
 
282
        * d10v_sim.h (struct d10v_memory): Define.  Support very long
283
        memories.
284
        (struct _state): Replace imem, dmem and umem by mem.
285
        (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
286
        DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
287
 
288
        * interp.c (map_memory): New function.
289
        (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
290
        (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
291
        (IMEM_SIZEDMEM_SIZE): Delete.
292
 
293
Sat Oct 23 20:06:58 1999  Andrew Cagney  
294
 
295
        * interp.c: Include "sim-d10v.h".
296
        (imap_register, set_imap_register, dmap_register,
297
        set_dmap_register, spi_register, spu_register, set_spi_register,
298
        set_spu_register): New functions.
299
        (sim_create_inferior): Update.
300
        (sim_fetch_register, sim_store_register): Rewrite.  Use enums
301
        defined in sim-d10v.h.
302
 
303
        * d10v_sim.h (DEBUG_MEMORY): Define.
304
        (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
305
 
306
Sat Oct 23 18:41:18 1999  Andrew Cagney  
307
 
308
        * interp.c (sim_open): Allow a debug value to be passed to the -t
309
        option.
310
        (lookup_hash): Don't exit on an illegal instruction.
311
        (do_long, do_2_short, do_parallel): Check for failed instruction
312
        lookup.
313
 
314
Mon Oct 18 18:03:24 MDT 1999    Diego Novillo 
315
 
316
        * simops.c (OP_3220): Fix trace output for illegal accumulator
317
        message.
318
 
319
1999-09-14  Nick Clifton  
320
 
321
        * simops.c: Disable setting of DM bit in PSW.
322
 
323
Wed Sep  8 19:34:55 MDT 1999    Diego Novillo 
324
 
325
        * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
326
        (trace_input_func): Added support for OP_MEMREF3.
327
        (OP_32010000): New instruction ld.
328
        (OP_33010000): New instruction ld2w.
329
        (OP_5209): New instruction sac.
330
        (OP_4209): New instruction sachi.
331
        (OP_3220): New instruction slae.
332
        (OP_36010000): New instruction st.
333
        (OP_37010000): New instruction st2w.
334
 
335
1999-09-09  Stan Shebs  
336
 
337
        * interp.c (old_segment_mapping): New global.
338
        (xfer_mem): Change the default segment mapping to be the way
339
        that Mitsubishi prefers, but use the previous mapping if
340
        old_segment_mapping is true.
341
        (sim_open): Add an option -oldseg to get the old mapping.
342
        (sim_create_inferior): Init mapping registers based on the
343
        value of old_segment_mapping.
344
 
345
1999-09-07  Nick Clifton  
346
 
347
        * simops.c (OP_6601): Do not write back decremented address if
348
        either of the destination registers was the same as the address
349
        register.
350
        (OP_6201): Do not write back incremented address if either of the
351
        destination registers was the same as the address register.
352
 
353
Thu Sep  2 18:15:53 1999  Andrew Cagney  
354
 
355
        * configure: Regenerated to track ../common/aclocal.m4 changes.
356
 
357
1999-05-08  Felix Lee  
358
 
359
        * configure: Regenerated to track ../common/aclocal.m4 changes.
360
 
361
1999-04-02  Keith Seitz  
362
 
363
        * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
364
        defined).
365
        (sim_resume): If the counter has expired, call the ui_loop_hook,
366
        if defined.
367
        (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
368
        ui_loop_hook calls.
369
        * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
370
 
371
Wed Mar 10 19:32:13 1999  Nick Clifton  
372
 
373
        * simops.c: If load instruction with auto increment/decrement
374
        addressing is used when the destination register is the same as
375
        the address register, then ignore the auto increment/decrement.
376
 
377
Wed Mar 10 19:32:13 1999  Martin M. Hunt  
378
 
379
        * simops.c (OP_5F00): Ifdef SYS_stat case because
380
        not all systems have it defined.
381
 
382
1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
383
 
384
        * simops.c (OP_5607): Correct saturation comparison/assignment.
385
        (OP_1201, OP_1203, OP_17001200, OP_17001202,
386
         OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
387
         OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
388
 
389
1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
390
 
391
        * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
392
        comparison.
393
        (OP_5607): Ditto.
394
        (OP_2A00): Ditto.
395
        (OP_2800): Ditto.
396
 
397
1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
398
 
399
        * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
400
        comparison.
401
 
402
Tue Nov 24 17:04:43 1998  Andrew Cagney  
403
 
404
        * simops.c (sys/syscall.h): Include targ-vals.h instead.
405
        (SYS_*): Replace with TARGET_SYS_*.
406
 
407
        * Makefile.in: Add dependency on targ-vals.h.
408
        (NL_TARGET): Define as NL_TARGET_d10v.
409
 
410
Wed Sep 30 00:06:32 1998  Andrew Cagney  
411
 
412
        * interp.c (xfer_mem): Missing break, instruction memory case
413
        flowed into unified memory case.
414
 
415
Wed Sep 30 10:14:18 1998  Nick Clifton  
416
 
417
        * simops.c: If load instruction with auto increment/decrement
418
        addressing is used when the destination register is the same as
419
        the address register, then ignore the auto increment/decrement.
420
 
421
Tue Apr 28 18:33:31 1998  Geoffrey Noer  
422
 
423
        * configure: Regenerated to track ../common/aclocal.m4 changes.
424
 
425
Sun Apr 26 15:31:55 1998  Tom Tromey  
426
 
427
        * configure: Regenerated to track ../common/aclocal.m4 changes.
428
        * config.in: Ditto.
429
 
430
Sun Apr 26 15:20:23 1998  Tom Tromey  
431
 
432
        * acconfig.h: New file.
433
        * configure.in: Reverted change of Apr 24; use sinclude again.
434
 
435
Fri Apr 24 14:16:40 1998  Tom Tromey  
436
 
437
        * configure: Regenerated to track ../common/aclocal.m4 changes.
438
        * config.in: Ditto.
439
 
440
Fri Apr 24 11:20:06 1998  Tom Tromey  
441
 
442
        * configure.in: Don't call sinclude.
443
 
444
Fri Apr 24 11:04:46 1998  Andrew Cagney  
445
 
446
        * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
447
 
448
        * d10v_sim.h (remote-sim.h, sim-config.h): Include.
449
 
450
Sat Apr  4 20:36:25 1998  Andrew Cagney  
451
 
452
        * configure: Regenerated to track ../common/aclocal.m4 changes.
453
 
454
Wed Apr  1 12:59:17 1998  Andrew Cagney  
455
 
456
        * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
457
        up-to-date CR value.
458
        (OP_OP_1000000, add3): Trace inputs before performing add.
459
        (OP_5F00, <*>): Trace input registers before making system call.
460
        (OP_5F00, ): Trace R0, R1 not REGn.
461
        (OP_5F00, ): Always return 47.
462
 
463
        * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
464
        SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
465
        back slots.
466
        (struct _state): Add struct slot slot to global state variable.
467
        (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
468
        F0, F1, C from global State variable.
469
        (struct _state): Add struct trace to global State variable.
470
        (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
471
        (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
472
        (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
473
        (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
474
        (JMP): Re-implement. Use SET_* to update registers.
475
 
476
        * interp.c: Use new SET_* et.al. macros to fetch / store
477
        registers.
478
        (get_operands): Squirrel away trace values at start of each
479
        operand decode.
480
        (do_2_short): Flush pending writes before issuing second
481
        instruction.
482
        (sim_resume): Flush pending writes at end of instruction cycle.
483
        (sim_fetch_register, sim_store_register, sim_create_inferior):
484
        After scheduling updates to registers using SET_*, flush updates.
485
        (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
486
        that each sets pc using SET_* and last SET_* eventually winds out.
487
 
488
        * simops.c: Use new SET_* et.al. macros to fetch / store
489
        registers.
490
        (move_to_cr): Add MASK argument for selective update of CREG bits.
491
        Re-implement using new SET_* macros.
492
        (trace_output_func, trace_output): Delete. Replace with.
493
        (do_trace_output_flush, trace_output_finish, trace_output_40,
494
        trace_output_32, trace_output_16, trace_output_void,
495
        trace_output_flag): New functions.  Handle specific trace cases.
496
        (OP_*): Re-write tracing to use new trace_output_* functions.
497
        (OP_*): Re-write to use new SET_* et.al. macros.
498
        (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
499
        (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
500
 
501
Wed Apr  1 12:55:18 1998  Andrew Cagney  
502
 
503
        * configure.in (SIM_AC_OPTION_WARNINGS): Add.
504
        configure: Re-generate.
505
 
506
Fri Mar 27 16:15:52 1998  Andrew Cagney  
507
 
508
        * configure: Regenerated to track ../common/aclocal.m4 changes.
509
 
510
Wed Mar 25 12:35:29 1998  Andrew Cagney  
511
 
512
        * configure: Regenerated to track ../common/aclocal.m4 changes.
513
 
514
Wed Mar 18 12:38:12 1998  Andrew Cagney  
515
 
516
        * configure: Regenerated to track ../common/aclocal.m4 changes.
517
 
518
Tue Feb 17 12:38:42 1998  Andrew Cagney  
519
 
520
        * interp.c (sim_store_register, sim_fetch_register): Pass in
521
        length parameter.  Return -1.
522
 
523
Mon Oct 27 14:43:33 1997  Fred Fish  
524
 
525
        * (dmem_addr): If address is illegal or in I/O space, signal a bus
526
        error.  Allocate unified memory on demand.  Fix DMEM address
527
        calculations.
528
 
529
Mon Feb 16 10:27:53 1998  Andrew Cagney  
530
 
531
        * simops.c (OP_5F20): Implement "dbt".
532
        (OP_5F60): Implement "rtd".
533
 
534
        * d10v_sim.h (DPC_CR): Define enum.
535
        (DBT_VECTOR_START): Define
536
        (DPSW, DPC): Define.
537
 
538
Fri Feb 13 15:15:58 1998  Andrew Cagney  
539
 
540
        * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
541
        to PSW:SM.
542
 
543
        * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
544
        (SP_IDX): Define.
545
 
546
Wed Feb 11 16:53:49 1998  Andrew Cagney  
547
 
548
        * simops.c (OP_5F00): Call error instead of abort for unknown
549
        syscalls.
550
 
551
        * d10v_sim.h (enum): Define DPSW_CR.
552
 
553
        * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
554
 
555
Tue Feb 10 18:28:38 1998  Andrew Cagney  
556
 
557
        * interp.c (sim_write_phys): Delete.
558
        (sim_load): Call sim_load_file with sim_write and LMA.
559
 
560
Mon Feb  9 12:05:01 1998  Andrew Cagney  
561
 
562
        * interp.c: Rewrite xfer_mem so that it translates addresses as -
563
        0x00... - DMAP translated memory, 0x01... IMAP translated memory,
564
        0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
565
        memory.
566
        (pc_addr): Delete.
567
        (imem_addr): New function - translate IMEM address.
568
        (sim_resume): Use imem_addr to translate insn address, abort if
569
        translation failed.
570
        (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
571
        argc/argv using r0/r1 not r2/r3.
572
        (sim_size): Do not initialize IMAP/DMAP here.
573
        (sim_open): Call sim_create_inferior and sim_size to initialize
574
        the system.
575
        (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
576
        defaults.
577
        (init_system): Delete.
578
        (xfer_mem, sim_fetch_register, sim_store_register): Do not call
579
        init_system.
580
        (decode_pc): Check prog_bfd is defined before looking up .text
581
        section.
582
 
583
Sun Feb  1 16:47:51 1998  Andrew Cagney  
584
 
585
        * configure: Regenerated to track ../common/aclocal.m4 changes.
586
 
587
Sat Jan 31 18:15:41 1998  Andrew Cagney  
588
 
589
        * configure: Regenerated to track ../common/aclocal.m4 changes.
590
 
591
Sun Jan 25 22:23:01 1998  Michael Meissner  
592
 
593
        * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
594
 
595
Sat Jan 24 19:00:30 1998  Michael Meissner  
596
 
597
        * d10v_sim.h (DEBUG_TRAP): New debug flag.
598
 
599
        * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
600
        printing the registers.
601
 
602
Thu Jan 22 17:54:01 1998  Michael Meissner  
603
 
604
        * simops.c (op_types): New ABI, args are r0..r3, system call # is
605
        in r4.
606
        (trace_{in,out}put_func): Ditto.
607
        (OP_4900): Ditto.
608
        (OP_24800000): Ditto.
609
        (OP_4D00): Ditto.
610
        (OP_5F00): Ditto.
611
 
612
Thu Jan 22 14:30:36 1998  Fred Fish  
613
 
614
        * interp.c (UMEM_SEGMENTS): New define, set to 128.
615
        (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
616
        (sim_close): Reset prog_bfd to NULL after closing it.  Also
617
        reset prog_bfd_was_opened_p after closing prog_bfd.
618
        (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
619
        (sim_create_inferior): Get start address from abfd not prog_bfd.
620
        (xfer_mem): Do bounds checking on addresses and return zero length
621
        read/write on bad addresses, rather than aborting.  Prepare to
622
        be able to handle xfers that cross segment boundaries, but not
623
        yet implemented.  Only emit debug message when d10v_debug is
624
        set as well as DEBUG being defined.
625
 
626
Mon Jan 19 22:26:29 1998  Doug Evans  
627
 
628
        * configure: Regenerated to track ../common/aclocal.m4 changes.
629
 
630
Mon Dec 15 23:17:11 1997  Andrew Cagney  
631
 
632
        * configure: Regenerated to track ../common/aclocal.m4 changes.
633
        * config.in: Ditto.
634
 
635
Tue Dec  9 10:28:31 1997  Andrew Cagney  
636
 
637
        * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
638
        (BPSW): Ditto for BPSW_CR and not PSW_CR.
639
 
640
        * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
641
 
642
Mon Dec  8 12:58:33 1997  Andrew Cagney  
643
 
644
        * simops.c (OP_5F00): From Martin Hunt . Change
645
        reserved trap from 0 to 15. Add trap emulation code for 0-14.
646
 
647
        * interp.c (sim_resume): From Martin Hunt . Check
648
        IBA for SDBT.
649
 
650
        * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
651
        SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
652
 
653
        * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
654
        use move_to_cr.
655
        (OP_5F00): For "trap", update BPSW with move_to_cr.
656
 
657
Fri Dec  5 15:31:17 1997  Andrew Cagney  
658
 
659
        * d10v_sim.h (enum): Enumerate CR register names.
660
        (enum): Enumerate PSW bit values.
661
        (PSW): Obtain value uing move_from_cr.
662
        (MOD_S, MOD_E, BPSW): Make r-values.
663
        (move_from_cr, move_to_cr): Declare functions.
664
 
665
        * interp.c (sim_fetch_register, sim_store_register): Use
666
        move_from_cr and move_to_cr for CR register transfers.
667
 
668
        * simops.c (move_from_cr, move_to_cr): New functions.
669
        (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
670
        (OP_5600): For "mvtc", use function move_to_cr.
671
        (OP_5200): For "mvfc", use function move_from_cr.
672
 
673
Fri Dec  5 13:33:14 1997  Andrew Cagney  
674
 
675
        * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
676
        LSbit is zero.
677
 
678
Thu Dec  4 09:21:05 1997  Doug Evans  
679
 
680
        * configure: Regenerated to track ../common/aclocal.m4 changes.
681
 
682
Thu Dec  4 16:51:02 1997  Andrew Cagney  
683
 
684
        * d10v_sim.h (struct _state): Add DM - PSW debug mask.
685
 
686
        * simops.c (OP_5600): For "mvtc", save PSW.DM.
687
        (OP_5200): Ditto for "mvfc".
688
 
689
Wed Dec  3 17:27:06 1997  Andrew Cagney  
690
 
691
        * d10v_sim.h (SEXT56): Define.
692
 
693
        * simops.c (OP_4201): For "rac", sign extend 56 bit value before
694
        it is shifted.
695
 
696
        * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
697
        SIGNED64 macro.
698
 
699
Tue Dec  2 15:38:34 1997  Fred Fish  
700
 
701
        * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
702
        RIGHT_FIRST, as appropriate, instead of hardcoded ints that
703
        don't match enum values.
704
 
705
Tue Dec  2 15:01:08 1997  Andrew Cagney  
706
 
707
        * simops.c (OP_3A00): For "macu", perform multiply stage using 32
708
        bit rather than 16 bit precision.
709
        (OP_3C00): For "mulxu", store unsigned product in ACC.
710
        (OP_3800): For "msbu", subtract unsigned product from ACC,
711
        (OP_0): For "sub", compute carry by comparing inputs.
712
 
713
Tue Dec  2 11:04:37 1997  Andrew Cagney  
714
 
715
        * simops.c (OP_1000): For "sub2w", compute carry by comparing
716
        inputs.
717
 
718
Mon Nov 17 20:57:21 1997  Andrew Cagney  
719
 
720
        * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
721
        carry indicated by value > 0xffff.
722
 
723
Fri Nov 14 12:51:20 1997  Andrew Cagney  
724
 
725
        * interp.c (sim_resume): Don't set up SIGINT handler using signal,
726
        handled by client.
727
        (sim_resume): Fix race condition of a direct assignment to
728
        stop_simulator, conditionally call sim_stop.
729
        (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
730
        stop_simulator ready for next sim_resume call.
731
        (sim_ctrl_c): Delete function.
732
 
733
Thu Nov 13 19:29:34 1997  Andrew Cagney  
734
 
735
        * interp.c (sim_resume): For "REP", only check/update the PC when
736
        a branch instruction has not been executed.
737
 
738
Mon Nov 10 17:50:18 1997  Andrew Cagney  
739
 
740
        * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
741
        extend bit 44 all constants.
742
        (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
743
 
744
Fri Oct 24 10:26:29 1997  Andrew Cagney  
745
 
746
        * d10v_sim.h: Include sim-types.h.
747
        (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
748
        using unsigned8 et.al. from sim-types.h.
749
        (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
750
        SIGNED64 macro.
751
 
752
Wed Oct 22 14:43:00 1997  Andrew Cagney  
753
 
754
        * interp.c (sim_write_phys): New function, write to physical
755
        instead of virtual memory.
756
 
757
        * interp.c (sim_load): Pass lma_p and sim_write_phys to
758
        sim_load_file.
759
 
760
Mon Oct 13 10:55:07 1997  Fred Fish  
761
 
762
        * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
763
        exception generation code to OP_6E01.
764
        (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
765
        generation code.
766
 
767
Sat Oct 11 09:02:08 1997  Fred Fish  
768
 
769
        * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
770
        (OP_6601): Ditto.
771
 
772
Fri Oct  3 09:28:00 1997  Andrew Cagney  
773
 
774
        * configure: Regenerated to track ../common/aclocal.m4 changes.
775
 
776
Sat Sep 27 12:51:34 1997  Fred Fish  
777
 
778
        * interp.c (pc_addr): Discard upper bit(s) of PC in case
779
        IMAP1 selects unified memory.
780
        * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
781
        for end condition.
782
 
783
Wed Sep 24 17:38:57 1997  Andrew Cagney  
784
 
785
        * configure: Regenerated to track ../common/aclocal.m4 changes.
786
 
787
Tue Sep 23 11:04:38 1997  Andrew Cagney  
788
 
789
        * configure: Regenerated to track ../common/aclocal.m4 changes.
790
 
791
Mon Sep 22 11:46:20 1997  Andrew Cagney  
792
 
793
        * configure: Regenerated to track ../common/aclocal.m4 changes.
794
 
795
Fri Sep 19 17:45:25 1997  Andrew Cagney  
796
 
797
        * configure: Regenerated to track ../common/aclocal.m4 changes.
798
 
799
Mon Sep 15 17:36:15 1997  Andrew Cagney  
800
 
801
        * configure: Regenerated to track ../common/aclocal.m4 changes.
802
 
803
Wed Sep 10 22:30:24 1997  Martin M. Hunt  
804
 
805
        * interp.c (sim_resume): Increment PC at end of rep
806
        loop.
807
 
808
        * simops.c (OP_4201): Fix rachi instruction.
809
 
810
Thu Sep  4 17:21:23 1997  Doug Evans  
811
 
812
        * configure: Regenerated to track ../common/aclocal.m4 changes.
813
 
814
Wed Aug 27 18:13:22 1997  Andrew Cagney  
815
 
816
        * configure: Regenerated to track ../common/aclocal.m4 changes.
817
        * config.in: Ditto.
818
 
819
Tue Aug 26 10:37:49 1997  Andrew Cagney  
820
 
821
        * interp.c (sim_kill): Delete.
822
        (sim_create_inferior): Add ABFD argument.
823
        (sim_load): Move setting of PC from here.
824
        (sim_create_inferior): To here.
825
        (start_address): Delete variable.
826
 
827
Mon Aug 25 17:50:22 1997  Andrew Cagney  
828
 
829
        * configure: Regenerated to track ../common/aclocal.m4 changes.
830
        * config.in: Ditto.
831
 
832
Mon Aug 25 15:39:29 1997  Andrew Cagney  
833
 
834
        * interp.c (sim_open): Add ABFD argument.
835
 
836
Tue May 20 10:14:45 1997  Andrew Cagney  
837
 
838
        * interp.c (sim_open): Add callback argument.
839
        (sim_set_callbacks): Remove SIM_DESC argument.
840
 
841
Thu Apr 24 00:39:51 1997  Doug Evans  
842
 
843
        * configure: Regenerated to track ../common/aclocal.m4 changes.
844
 
845
Tue Apr 22 10:29:23 1997  Doug Evans  
846
 
847
        * interp.c (sim_open): Undo patch to add -E support.
848
 
849
Fri Apr 18 13:39:01 1997  Andrew Cagney  
850
 
851
        * interp.c (sim_stop): New function.
852
 
853
Thu Apr 17 02:42:00 1997  Doug Evans  
854
 
855
        * Makefile.in (SIM_OBJS): Add sim-load.o.
856
        * d10v_sim.h (exec_bfd): Rename to prog_bfd.
857
        * interp.c: #include bfd.h.
858
        (myname, sim_kind, start_address): New static locals.
859
        (prog_bfd_was_opened_p, prog_bfd): New static locals.
860
        (decode_pc): Update to use prog_bfd.
861
        (sim_open): Set sim_kind, myname.  Ignore -E arg.
862
        (sim_close): Close prog_bfd if simulator opened it.
863
        (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
864
        (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
865
        Call sim_load_file to load file into simulator.
866
        * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
867
 
868
Wed Apr 16 16:12:03 1997  Andrew Cagney  
869
 
870
        * simops.c (OP_5F00): Only provide system calls SYS_execv,
871
        SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
872
 
873
Mon Apr  7 15:45:02 1997  Andrew Cagney  
874
 
875
        * configure: Regenerated to track ../common/aclocal.m4 changes.
876
        * config.in: Ditto.
877
 
878
Wed Apr  2 15:06:28 1997  Doug Evans  
879
 
880
        * interp.c (sim_open): New arg `kind'.
881
 
882
        * configure: Regenerated to track ../common/aclocal.m4 changes.
883
 
884
Wed Apr  2 14:34:19 1997 Andrew Cagney 
885
 
886
        * configure: Regenerated to track ../common/aclocal.m4 changes.
887
 
888
Mon Mar 17 15:10:07 1997  Andrew Cagney  
889
 
890
        * configure: Re-generate.
891
 
892
Fri Mar 14 10:34:11 1997  Michael Meissner  
893
 
894
        * configure: Regenerate to track ../common/aclocal.m4 changes.
895
 
896
        * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
897
        as trap 0, which will be deprecated.  Only set errno, if an error
898
        in fact was returned.
899
 
900
Thu Mar 13 12:41:20 1997  Doug Evans  
901
 
902
        * interp.c: Delete redundant prototypes of sim_foo fns.
903
        (sim_open): New SIM_DESC result.  Argument is now in argv form.
904
        (other sim_*): New SIM_DESC argument.
905
 
906
Thu Mar 13 10:29:04 1997  Michael Meissner  
907
 
908
        * simops.c (trace_{input,output}_func): Call flush_stdout from the
909
        callback functions.
910
        (OP_5F00): Ditto.
911
        (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
912
        (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
913
        setting the carry bit after an add or a subtract.
914
 
915
Wed Feb 12 16:04:15 1997  Michael Meissner  
916
 
917
        * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
918
        40 bits of accumulators.  Sign/zero extend as appropriate.
919
 
920
Tue Feb  4 13:33:30 1997  Doug Evans  
921
 
922
        * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
923
        COMMON_{PRE,POST}_CONFIG_FRAG instead.
924
        * configure.in: sinclude ../common/aclocal.m4.
925
        * configure: Regenerated.
926
 
927
Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
928
 
929
        * configure configure.in Makefile.in:  Update to new configure
930
        scheme which is more compatible with WinGDB builds.
931
        * configure.in:  Improve comment on how to run autoconf.
932
        * configure:  Re-run autoconf to get new ../common/aclocal.m4.
933
        * Makefile.in:  Use autoconf substitution to install common
934
        makefile fragment.
935
 
936
Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
937
 
938
        * gencode.c: patch to not #include "d10v_sim.h" which
939
        unecessarily includes bfd.h and causes wingdb configure
940
        to fail.
941
 
942
Mon Dec 16 13:39:03 1996  Martin M. Hunt  
943
 
944
        * interp.c (xfer_mem): Change unified memory to 0x0.
945
 
946
Thu Nov 28 20:42:56 1996  Michael Meissner  
947
 
948
        * simops.c (OP_3E01): Fix tracing information.
949
        (OP_300{0,1}): Do not propigate sign.
950
 
951
Mon Nov 25 19:47:40 1996  Doug Evans  
952
 
953
        * config.in (WORDS_BIGENDIAN): Add.
954
        * configure: Regenerated.
955
        * d10v_sim.h: #include "config.h"
956
 
957
Sat Nov 23 09:34:50 1996  Michael Meissner  
958
 
959
        * gencode.c (write_opcodes): Eliminate warnings when generated
960
        table.c is compiled.
961
 
962
Wed Nov 20 19:41:40 1996  Michael Meissner  
963
 
964
        * interp.c (sim_open): Cast result of calloc, and make sure NULL
965
        was not returned.
966
        (dmem_addr): If address is illegal or in I/O space, signal a bus
967
        error.
968
        (pc_addr): Signal bus error, not illegal instruction for bogus
969
        pc.
970
 
971
Wed Nov 20 01:23:03 1996  Doug Evans  
972
 
973
        * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
974
        (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
975
        * configure.in: Simplify using macros in ../common/aclocal.m4.
976
        Call AC_CHECK_HEADERS(unistd.h).
977
        * configure: Regenerated.
978
        * config.in: New file.
979
        * interp.c: #include "callback.h".
980
        * simops.c: #include "config.h".  #include  if present.
981
 
982
Fri Nov  8 16:19:55 1996  Martin M. Hunt  
983
 
984
        * d10v-sim.h (simops): Add flag is_long.
985
        (State): Add pc_changed.  Instructions which update the PC should
986
        use the JMP macro which sets this.
987
        (JMP): New macro.  Sets the PC and the pc_changed flag.
988
 
989
        * gencode.c (write_opcodes): Add is_long field.
990
 
991
        * interp.c (lookup_hash): If we blindly apply a short opcode's mask
992
        to a long opcode we could get a false match.  Check the opcode size.
993
        (hash): Add a size field to the hash table.
994
        (sim_open): Initialize size field in hash table.
995
        (sim_resume): Change to logic for setting the PC.  Used to increment the
996
        PC if it had not been changed.  This didn't allow single-instruction loops.
997
        Now checks the flag State.pc_changed.  Also now stops when ^C is received.
998
        (dmem_addr): Fix translation of data segments to unified memory.
999
        (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
1000
 
1001
        * simops.c: Changed all branch and jump instructions to use new JMP macro.
1002
        (OP_20000000): Corrected trace information to show this is a ldi.l, not
1003
        a ldi.s instruction.
1004
 
1005
Thu Oct 31 19:13:55 1996  Martin M. Hunt  
1006
 
1007
        * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1008
        updating the accumulators was overwriting other parts of the global
1009
        State variable.
1010
 
1011
Wed Oct 30 17:35:14 1996  Michael Meissner  
1012
 
1013
        * interp.c (bfd.h) Don't include it here any more.
1014
        (text{,_start,_end}): Move here from simops.c and make extern.
1015
        (decode_pc): New function to return the PC as an address that the
1016
        debugger can use.
1017
        (dmem_addr): Print decoded PC in error message.
1018
        (pc_addr): Ditto.
1019
 
1020
        * simops.c (bfd.h) Don't include it here any more.
1021
        (text{,_start,_end}): Move to simops.c.
1022
        (trace_input_func): Move decoding of PC, and looking up .text
1023
        start to decode_pc.
1024
 
1025
        * d10v_sim.h (bfd.h): Include it here.
1026
        (text{,_start,_end}): Add external declarations.
1027
        (exec_bfd): Ditto.
1028
        (decode_pc): Ditto.
1029
 
1030
Tue Oct 29 12:13:52 1996  Martin M. Hunt  
1031
 
1032
        * interp.c (sim_size): Now allocates unified memory for imap segments
1033
        0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1034
        (sim_write): Just call xfer_mem().
1035
        (sim_read): Just call xfer_mem().
1036
        (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1037
        (dmem_addr): New function. Reads dmap register and translates data
1038
        addresses to local addresses.
1039
        (pc_addr): New function. Reads imap register and computes local address
1040
        corresponding to contents of the PC.
1041
        (sim_resume): Change to use pc_addr().
1042
        (sim_create_inferior): Change reinitialization code. Also reinitializes
1043
        imap[01] and dmap.
1044
        (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1045
        (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1046
 
1047
        * simops.c (MEMPTR): Redefine to use dmem_addr().
1048
        (OP_5F00): Replace references to STate.imem with dmem_addr().
1049
 
1050
        * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1051
        (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1052
        (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1053
 
1054
Tue Oct 22 15:22:33 1996  Michael Meissner  
1055
 
1056
        * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1057
        better statistics, like not counting NOPS as parallel
1058
        instructions, and printing total cycles.
1059
        (ins_type_counters): Make unsigned long.
1060
        (left_nops,right_nops): Fold into ins_type_counters.
1061
 
1062
        * simops.c (trace_input_func): Print new instruction types.
1063
        Handle OP_R2R3 as input types.
1064
        (OP_{38000000,7000}): Correctly sign extend bytes.
1065
        (OP_5E00): Don't count NOPs as parallel instructions.
1066
        (OP_460B): Remove unused variable.
1067
        (OP_5F00): Ditto.
1068
 
1069
        * interp.c (ins_type_counters): Make unsigned long.
1070
        (left_nops,right_nops): Delete.
1071
        (most functions): Add prototypes.
1072
        (INLINE): If GCC and optimize define as __inline__.
1073
        ({,lookup_}hash,get_operands): Declare as INLINE.
1074
        (do_parallel): Count conditional operations.
1075
        (add_commas): New function, to add commas every 3 digits.
1076
        (sim_size): Call add_commas to print numbers.
1077
        (sim_{open,resume}): Delete unused variables.
1078
        (sim_info): Provide better statistics.
1079
        (sim_read): Add int return type.
1080
 
1081
Mon Oct 21 16:16:26 1996  Martin M. Hunt  
1082
 
1083
        * interp.c (sim_resume): Change the way single-stepping and exceptions
1084
        are handled so single-stepping works again.
1085
 
1086
Thu Oct 17 12:24:16 1996  Michael Meissner  
1087
 
1088
        * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1089
        endian hosts.
1090
 
1091
        * configure.in (--enable-sim-bswap): New switch to enable using
1092
        the BSWAP instruction on x86's.
1093
        * configure: Regenerate.
1094
 
1095
        * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1096
        support.
1097
 
1098
Wed Oct 16 13:50:06 1996  Michael Meissner  
1099
 
1100
        * endian.c: New file.  Move endian functions here from interp.c.
1101
        Optimize code, and make it work as either inline functions or as a
1102
        separate file.
1103
 
1104
        * interp.c: Move endian functions from here to endian.c.
1105
 
1106
        * Makefile.in (INCLUDE): Add endian.c.
1107
        (run,libsim.a): Add dependency on endian.o.
1108
        (endian.o): Add dependency.
1109
 
1110
        * d10v_sim.h (read/write support): Always go through the machine
1111
        independent endian functions.  If compiling with GCC and
1112
        optimizing, include endian.c so the endian functions are inlined.
1113
 
1114
        * simops.c (OP_5F00): Correct tracing of accumulators.
1115
 
1116
Tue Oct 15 10:57:50 1996  Michael Meissner  
1117
 
1118
        * simops.c (OP_5F00): Add support for getpid, kill system calls.
1119
 
1120
        * interp.c (do_{2_short,parallel}): If an exception is raised,
1121
        don't execute the second instruction.
1122
 
1123
Sat Oct 12 22:17:43 1996  Michael Meissner  
1124
 
1125
        * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1126
        temporary in case the register is overriden when loading.
1127
        (OP_6200): Output type is OP_DREG for tracing.
1128
 
1129
Fri Oct  4 23:46:18 1996  Michael Meissner  
1130
 
1131
        * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1132
 
1133
        * interp.c (sim_size): Initialize mem_{min,max} fields.
1134
        (sim_write): Update mem_{min,max} fields.
1135
        (sim_resume): If PC is not in the minimum/maximum memory range,
1136
        abort.
1137
        (sim_create_inferior): Preserve mem_{min,max} fields.
1138
 
1139
Fri Sep 27 13:11:58 1996  Mark Alexander  
1140
 
1141
        * simops.c (OP_5F00): Add support for time() system call.
1142
 
1143
Wed Sep 25 16:31:41 1996  Michael Meissner  
1144
 
1145
        * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1146
        stored if tracing.
1147
        (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1148
        system calls.
1149
 
1150
Mon Sep 23 17:55:30 1996  Michael Meissner  
1151
 
1152
        * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1153
        (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1154
        (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1155
        to call/subroutine returns to trace the first two arguments and
1156
        the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1157
 
1158
Fri Sep 20 15:36:45 1996  Martin M. Hunt  
1159
 
1160
        * interp.c (sim_create_inferior): Reinitialize State every time
1161
        sim_create_inferior() is called.
1162
 
1163
Thu Sep 19 21:38:20 1996  Michael Meissner  
1164
 
1165
        * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1166
        on comparisons.
1167
        (OP_401): Fix tracing information.
1168
 
1169
Thu Sep 19 10:30:22 1996  Michael Meissner  
1170
 
1171
        * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1172
        (trace_input_func): Use them.
1173
        (trace_input_func): Make sure there is a trailing space after the
1174
        instruction.
1175
        (OP_6200): Fix tracing info.
1176
 
1177
        * Makefile.in (run): Add dependencies on libbfd.a and
1178
        libiberity.a.
1179
 
1180
Wed Sep 18 09:13:25 1996  Michael Meissner  
1181
 
1182
        * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1183
        numbers and function names in debug trace.
1184
        (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1185
        DEBUG_LINE_NUMBER.
1186
        (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1187
        and exit system call trap being executed.
1188
 
1189
        * interp.c (sim_stop_reason): Set exit code correctly for stop
1190
        instruction and exit system call trap.
1191
 
1192
        * configure.in (--enable-sim-cflags): Remove trace case.
1193
        (--enable-sim-debug): New switch to set the debug values.
1194
        * configure: Regenerate.
1195
 
1196
        * simops.c (trace_{input,output}_func): Rename from
1197
        trace_{input,output}.
1198
        (trace_{input,output}): Call trace_{input,output}_func if
1199
        d10v_debug is non-zero.
1200
        (SIZE_INSTRUCTION): Cut down to 8.
1201
        (SIZE_OPERANDS): Cut down to 18.
1202
        (SIZE_LOCATION): New value for size of line number, function name
1203
        field.
1204
        (init_text_p,text{,_start,_end}): New static variables for
1205
        printing line number and function name.
1206
        (exec_bfd): New external that run.c sets.
1207
        (trace_input_func): Print line number and function name if
1208
        available and if desired.
1209
        (OP_4E09): Don't print out DBT message.
1210
        (OP_5FE0): Set exception field to SIG_D10V_STOP.
1211
        (OP_5F00): Set exception field to SIG_D10V_EXIT.
1212
 
1213
Sat Sep 14 22:18:43 1996  Michael Meissner  
1214
 
1215
        * interp.c (do_2_short): If the instruction encodes jump->ins,
1216
        don't do the second instruction if the jump succeeds.
1217
 
1218
Fri Sep 13 22:35:19 1996  Michael Meissner  
1219
 
1220
        * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1221
        accumulators, PC, and F0/F1/C flags.
1222
 
1223
Thu Sep 12 12:50:11 1996  Mark Alexander  
1224
 
1225
        * simops.c (OP_5F00): Fix problems with system calls.
1226
 
1227
Thu Sep 12 12:19:28 1996  Michael Meissner  
1228
 
1229
        * simops.c (OP_5F00): Correct tracing information for trap.
1230
 
1231
Wed Sep 11 18:55:50 1996  Michael Meissner  
1232
 
1233
        * Makefile.in (CSEARCH): Correctly find opcodes directory.
1234
 
1235
Mon Sep  9 13:27:26 1996  Michael Meissner  
1236
 
1237
        * simops.c (trace_output): Properly align accumulator output.
1238
        (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1239
        if shift count is too high.
1240
        (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1241
        (OP_4E09): Make cpfg properly trace the input flags.
1242
        (op_types): Add OP_FLAG_OUTPUT.
1243
        (trace_{input,output}): Support OP_FLAG_OUTPUT.
1244
        (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1245
        an 8-bit memory reference instruction for tracing purposes.
1246
        (OP_201): Addi needs to set the carry.
1247
 
1248
Fri Sep  6 17:56:17 1996  Martin M. Hunt  
1249
 
1250
        * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1251
        to use signed register values.
1252
 
1253
Wed Sep  4 11:35:17 1996  Michael Meissner  
1254
 
1255
        * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1256
        output.
1257
        (_ins_type): New enumeration to specify which container an
1258
        instruction is in, and whether it is part of a parallel operation.
1259
        (_state): Add ins_type field.
1260
        ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1261
        (ins_type_counters): Counters for the various instruction types.
1262
        ({left,right}_nops): Counters for the number of nops in each
1263
        container.
1264
        (d10v_debug): New variable to indicate whether debugging is turned
1265
        on.
1266
 
1267
        * simops.c: (all functions): Change all #ifdef DEBUG code so that
1268
        the input and output values can be traced, along with the
1269
        instruction type.  Make the -t option enable tracing.
1270
        (all functions): Change printf calls to use the printf_filtered
1271
        function in the callback table.
1272
 
1273
        * interp.c (_leftright): New enumeration to say whether 2 short
1274
        instructions are done left first or right first.
1275
        (do_{long,2_short,parallel}): Indicate in the machine state which
1276
        type of instruction this is.  Count each of the types of
1277
        instructions executed.
1278
        (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1279
        flag is set.
1280
        (sim_resume): Pass left/right indication to do_2_short.
1281
        (all functions): Change printf calls to use the printf_filtered
1282
        function in the callback table.
1283
        (sim_trace): Turn on debug flag if DEBUG was defined, and call
1284
        sim_resume.
1285
        (sim_info): Print out statistics on instructions.
1286
        (sim_{trace,create_inferior}): Eliminate extraneous output unless
1287
        debugging.
1288
        (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1289
        Only initialize the hash table the first time sim_open is called.
1290
 
1291
        * Makefile.in: Make objects depend on d10v_sim.h.
1292
        ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1293
        CFLAGS does not override host/target defines or SIM_CFLAGS.
1294
        (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1295
        (run): By default, the math library is not needed to be linked
1296
        in.
1297
        ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1298
        overridden.
1299
        (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1300
        makes.
1301
        ({run,callback}.o): Provide explicit paths to their appropriate
1302
        source directories.
1303
        (gencode{,.o},d10v-opc.o): Split compilation into creating object
1304
        and linking.  Instead of linking in libopcodes.a, just compile
1305
        d10v-opc.o directly to handle canadian cross.
1306
        (CSEARCH): Add opcodes directory.
1307
 
1308
        * configure.in (--enable-sim-cflags): New switch to allow user to
1309
        set the defaults.
1310
        (CC_FOR_BUILD): Deal with canadian crosses.
1311
        * configure: Regenerate.
1312
 
1313
Wed Sep 04 04:45:34 1996  Mark Alexander  
1314
 
1315
        * simops.c: Include correct syscall.h for d10v, not host's.
1316
        Fix #ifdef SYS_stat.
1317
 
1318
Tue Sep  3 14:00:04 1996  Michael Meissner  
1319
 
1320
        * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1321
        Add trap 2 to be printf and trap 3 to be putchar.
1322
 
1323
Wed Aug 28 21:42:34 1996  Mark Alexander  
1324
 
1325
        * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1326
        for low-level system calls.
1327
 
1328
Wed Aug 28 17:33:19 1996  Martin M. Hunt  
1329
 
1330
        * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1331
 
1332
Mon Aug 26 18:30:28 1996  Martin M. Hunt  
1333
 
1334
        * d10v_sim.h (SEXT32): Added.
1335
        * interp.c: Commented out printfs.
1336
        * simops.c:  Fixed error in sb and st2w.
1337
 
1338
Thu Aug 15 13:30:03 1996  Martin M. Hunt  
1339
 
1340
        * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1341
        DSP instructions.  Added modulo addressing.
1342
 
1343
Sun Aug 11 12:57:15 1996  Martin M. Hunt  
1344
 
1345
        * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1346
 
1347
Fri Aug  2 17:44:24 1996  Martin M. Hunt  
1348
 
1349
        * d10v_sim.h, simops.c: Snapshot.
1350
 
1351
Thu Aug  1 17:05:24 1996  Martin M. Hunt  
1352
 
1353
        * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1354
        gencode.c, interp.c, simops.c: Created.
1355
 

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