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[/] [or1k/] [trunk/] [gdb-5.3/] [sim/] [d10v/] [ChangeLog] - Blame information for rev 1775

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

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