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[deliverable/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
38f48d72
AC		 12005-01-11 Andrew Cagney <cagney@localhost.localdomain>
2
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
4
b7026657
AC		 52005-01-07 Andrew Cagney <cagney@gnu.org>
6
7 * configure.ac: Rename configure.in, require autoconf 2.59.
8 * configure: Re-generate.
9
379832de
HPN		 102004-12-08 Hans-Peter Nilsson <hp@axis.com>
11
12 * configure: Regenerate for ../common/aclocal.m4 update.
13
0aaa4a81
AC		 142004-06-28 Andrew Cagney <cagney@gnu.org>
15
16 * interp.c (sim_resume): Rename ui_loop_hook to
17 deprecated_ui_loop_hook.
18
fc0a2244
AC		 192003-10-30 Andrew Cagney <cagney@redhat.com>
20
21 * simops.c: Replace "struct symbol_cache_entry" with "struct
22 bfd_symbol".
23
ea086965
AC		 242003-06-22 Andrew Cagney <cagney@redhat.com>
25
26 * interp.c (xfer_mem): Simplify. Only do a single partial
27 transfer. Problem reported by Tom Rix.
28
f6684c31
AC		 292003-05-07 Andrew Cagney <cagney@redhat.com>
30
31 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
32 (sim_d10v_translate_imap_addr): Ditto.
33 (sim_d10v_translate_dmap_addr): Ditto.
34 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
35 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
36 (dmap_register, imap_register): Add "regcache" parameter.
37 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
38 (sim_fetch_register): Pass NULL regcache to imap_register and
39 dmap_register.
40
6b4a8935
AC		 412003-02-27 Andrew Cagney <cagney@redhat.com>
42
43 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
44
d25b1553
AC		 452002-11-13 Andrew Cagney <cagney@redhat.com>
46
47 * simops.c: Include <string.h>.
48
57af9c8b
AC		 492002-06-17 Andrew Cagney <cagney@redhat.com>
50
51 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
52
c8cca39f
AC		 532002-06-16 Andrew Cagney <ac131313@redhat.com>
54
55 * configure: Regenerated to track ../common/aclocal.m4 changes.
56
3d2957e6
TR		 572002-06-13 Tom Rix <trix@redhat.com>
58
59 * interp.c (xfer_mem): Fix transfers across multiple segments.
60
3c25f8c7
AC		 612002-06-09 Andrew Cagney <cagney@redhat.com>
62
63 * Makefile.in (INCLUDE): Update path to callback.h.
64 * gencode.c: Do not include "callback.h".
65 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
66 * interp.c: Ditto.
67
983b727e
AC		 682002-06-08 Andrew Cagney <cagney@redhat.com>
69
70 * interp.c (sim_fetch_register): Fix name of enum used in cast.
71 (sim_store_register): Ditto.
72
676ab6a0 732002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 74
75 From Jason Eckhardt <jle@redhat.com>
76 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
77 less than MOD_S (post-decrement).
78
18c0df9e
AC		 792002-06-01 Andrew Cagney <ac131313@redhat.com>
80
81 * interp.c (sim_fetch_register, sim_store_register): Use a switch
82 statement and enums from "sim-d10v.h".
83
1aa5e64f
EZ		 842002-05-28 Elena Zannoni <ezannoni@redhat.com>
85
86 * interp.c (sim_create_inferior): Add comment.
87
88 From Alan Matsuoka <alanm@redhat.com>:
89 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
90 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
91 (OP_4401): Output "mvf0t" instead of "mf0t".
92 (OP_460B): Do not output a flag register.
93 (OP_4609): Do not output a flag register.
94
b91b96f4
AC		 952002-05-23 Andrew Cagney <ac131313@redhat.com>
96
97 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
98 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
99
962b3ead
JM		 1002001-08-01 John R. Moore <jmoore@redhat.com>
101
102 * interp.c (sim_create_inferior): Removed a hack that stated
103 it was setting r0/r1 with argc/argv.
104
d4424ada
C		 1052001-04-15 J.T. Conklin <jtc@redback.com>
106
107 * Makefile.in (simops.o): Add simops.h to dependency list.
108
eb2d80b4
AC		 109Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
110
111 * configure: Regenerated to track ../common/aclocal.m4 changes.
112
27842f65
AC		 113Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
114
115 * interp.c (sim_resume): Deliver SIGILL.
116 (lookup_hash): Do not print SIGILL message.
117
baa7ae6f
AC		 118Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
119
120 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
121 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
122
ba744a4f
AC		 123Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
124
125 * d10v_sim.h (SIG_D10V_BUS): Define.
126
127 * simops.c (address_exception): Delete function.
128 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
129 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
130 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
131 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
132 address_exception with code that sets SIG_D10V_BUS.
133
134 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
135 error to the simulator before resuming execution.
136 (sim_trace): Check stop reason and use that to determine sim_trace
137 return value.
138 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
139 sigrc.
140
141Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
142
143 * interp.c (sim_create_inferior): Change internal initial value for
144 DMAP2 to 0x2000.
145
c3f6f71d
JM		 146Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
147
148 * interp.c (lookup_hash): Stop the update of the PC when there was
149 an illegal instruction exception.
150
151Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
152
153 * simops.c (address_exception): New function.
154 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
155 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
156 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
157 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
158 and "st2w" check that the address is aligned.
159
8ae7f924
FCE		 1601999-12-30 Chandra Chavva <cchavva@cygnus.com>
161
162 * d10v_sim.h (INC_ADDR): Added code to assign
163 proper address for loads with predec operations.
164
c2d11a7d
JM		 1651999-11-25 Nick Clifton <nickc@cygnus.com>
166
167 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
168 cpfg instruction.
169
4ce44c66
JM		 170Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
171
172 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
173 DPSW and BPSW.
174
175Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
176
177 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
178 (PSW_HW_MASK): Declare.
179
180 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
181 (SET_CREG, SET_PSW_BIT): Update.
182 (SET_HW_CREG, SET_HW_PSW): Define.
183
184Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
185
186 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
187 for DMAP3.
188
189Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
190
191 * interp.c (sim_d10v_translate_addr): New function.
192 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
193 (map_memory): Make INLINE.
194
195Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
196
197 * interp.c (sim_d10v_translate_dmap_addr): New function.
198 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
199 offset parameter to type uint16.
200 * d10v_sim.h (dmem_addr): Update declaration.
201
202Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
203
204 * interp.c (imap_register, set_imap_register, dmap_register,
205 set_imap_register): Use map_memory.
206 (DMAP): Update.
207 (sim_create_inferior): Initialize all DMAP registers. NOTE that
208 DMAP2, in internal memory mode, is set to 0x0000 and NOT
209 0x2000. This is consistent with the older d10v boards.
210
211Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
212
213 * interp.c (sim_d10v_translate_imap_addr): New function.
214 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
215 (last_from, last_to): Declare.
216
217Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
218
219 * d10v_sim.h (struct d10v_memory): Define. Support very long
220 memories.
221 (struct _state): Replace imem, dmem and umem by mem.
222 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
223 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
224
225 * interp.c (map_memory): New function.
226 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
227 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
228 (IMEM_SIZEDMEM_SIZE): Delete.
229
230Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
231
232 * interp.c: Include "sim-d10v.h".
233 (imap_register, set_imap_register, dmap_register,
234 set_dmap_register, spi_register, spu_register, set_spi_register,
235 set_spu_register): New functions.
236 (sim_create_inferior): Update.
237 (sim_fetch_register, sim_store_register): Rewrite. Use enums
238 defined in sim-d10v.h.
239
240 * d10v_sim.h (DEBUG_MEMORY): Define.
241 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
242
243Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
244
245 * interp.c (sim_open): Allow a debug value to be passed to the -t
246 option.
247 (lookup_hash): Don't exit on an illegal instruction.
248 (do_long, do_2_short, do_parallel): Check for failed instruction
249 lookup.
250
5c44784c
JM		 251Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
252
253 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 254 message.
5c44784c 255
c2c6d25f
JM		 2561999-09-14 Nick Clifton <nickc@cygnus.com>
257
258 * simops.c: Disable setting of DM bit in PSW.
259
cff3e48b
JM		 260Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
261
262 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
263 (trace_input_func): Added support for OP_MEMREF3.
264 (OP_32010000): New instruction ld.
265 (OP_33010000): New instruction ld2w.
266 (OP_5209): New instruction sac.
267 (OP_4209): New instruction sachi.
268 (OP_3220): New instruction slae.
269 (OP_36010000): New instruction st.
270 (OP_37010000): New instruction st2w.
271
2721999-09-09 Stan Shebs <shebs@andros.cygnus.com>
273
274 * interp.c (old_segment_mapping): New global.
275 (xfer_mem): Change the default segment mapping to be the way
276 that Mitsubishi prefers, but use the previous mapping if
277 old_segment_mapping is true.
278 (sim_open): Add an option -oldseg to get the old mapping.
279 (sim_create_inferior): Init mapping registers based on the
280 value of old_segment_mapping.
281
d4f3574e
SS		 2821999-09-07 Nick Clifton <nickc@cygnus.com>
283
284 * simops.c (OP_6601): Do not write back decremented address if
285 either of the destination registers was the same as the address
286 register.
287 (OP_6201): Do not write back incremented address if either of the
288 destination registers was the same as the address register.
289
290Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
291
292 * configure: Regenerated to track ../common/aclocal.m4 changes.
293
cd0fc7c3
SS		 2941999-05-08 Felix Lee <flee@cygnus.com>
295
296 * configure: Regenerated to track ../common/aclocal.m4 changes.
297
7a292a7a
SS		 2981999-04-02 Keith Seitz <keiths@cygnus.com>
299
300 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
301 defined).
302 (sim_resume): If the counter has expired, call the ui_loop_hook,
303 if defined.
304 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
305 ui_loop_hook calls.
306 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
307
308Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
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
314Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
315
316 * simops.c (OP_5F00): Ifdef SYS_stat case because
317 not all systems have it defined.
318
c906108c
SS		 3191999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
320
321 * simops.c (OP_5607): Correct saturation comparison/assignment.
322 (OP_1201, OP_1203, OP_17001200, OP_17001202,
323 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
324 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
325
3261999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
327
328 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
329 comparison.
330 (OP_5607): Ditto.
331 (OP_2A00): Ditto.
332 (OP_2800): Ditto.
333
3341999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
335
336 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
337 comparison.
338
339Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
340
341 * simops.c (sys/syscall.h): Include targ-vals.h instead.
342 (SYS_*): Replace with TARGET_SYS_*.
343
344 * Makefile.in: Add dependency on targ-vals.h.
345 (NL_TARGET): Define as NL_TARGET_d10v.
346
347Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
348
349 * interp.c (xfer_mem): Missing break, instruction memory case
350 flowed into unified memory case.
351
352Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
353
354 * simops.c: If load instruction with auto increment/decrement
355 addressing is used when the destination register is the same as
356 the address register, then ignore the auto increment/decrement.
357
358Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
359
360 * configure: Regenerated to track ../common/aclocal.m4 changes.
361
362Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
363
364 * configure: Regenerated to track ../common/aclocal.m4 changes.
365 * config.in: Ditto.
366
367Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
368
369 * acconfig.h: New file.
370 * configure.in: Reverted change of Apr 24; use sinclude again.
371
372Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
373
374 * configure: Regenerated to track ../common/aclocal.m4 changes.
375 * config.in: Ditto.
376
377Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
378
379 * configure.in: Don't call sinclude.
380
381Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
382
383 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
384
385 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
386
387Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
388
389 * configure: Regenerated to track ../common/aclocal.m4 changes.
390
391Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
392
393 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
394 up-to-date CR value.
395 (OP_OP_1000000, add3): Trace inputs before performing add.
396 (OP_5F00, <*>): Trace input registers before making system call.
397 (OP_5F00, <kill>): Trace R0, R1 not REGn.
398 (OP_5F00, <getpid>): Always return 47.
399
400 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
401 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
402 back slots.
403 (struct _state): Add struct slot slot to global state variable.
404 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
405 F0, F1, C from global State variable.
406 (struct _state): Add struct trace to global State variable.
407 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
408 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
409 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
410 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
411 (JMP): Re-implement. Use SET_* to update registers.
412
413 * interp.c: Use new SET_* et.al. macros to fetch / store
414 registers.
415 (get_operands): Squirrel away trace values at start of each
416 operand decode.
417 (do_2_short): Flush pending writes before issuing second
418 instruction.
419 (sim_resume): Flush pending writes at end of instruction cycle.
420 (sim_fetch_register, sim_store_register, sim_create_inferior):
421 After scheduling updates to registers using SET_*, flush updates.
422 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
423 that each sets pc using SET_* and last SET_* eventually winds out.
424
425 * simops.c: Use new SET_* et.al. macros to fetch / store
426 registers.
427 (move_to_cr): Add MASK argument for selective update of CREG bits.
428 Re-implement using new SET_* macros.
429 (trace_output_func, trace_output): Delete. Replace with.
430 (do_trace_output_flush, trace_output_finish, trace_output_40,
431 trace_output_32, trace_output_16, trace_output_void,
432 trace_output_flag): New functions. Handle specific trace cases.
433 (OP_*): Re-write tracing to use new trace_output_* functions.
434 (OP_*): Re-write to use new SET_* et.al. macros.
435 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
436 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
437
438Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
439
440 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
441 configure: Re-generate.
442
443Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
444
445 * configure: Regenerated to track ../common/aclocal.m4 changes.
446
447Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
448
449 * configure: Regenerated to track ../common/aclocal.m4 changes.
450
451Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
452
453 * configure: Regenerated to track ../common/aclocal.m4 changes.
454
455Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
456
457 * interp.c (sim_store_register, sim_fetch_register): Pass in
458 length parameter. Return -1.
459
460Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
461
462 * (dmem_addr): If address is illegal or in I/O space, signal a bus
463 error. Allocate unified memory on demand. Fix DMEM address
464 calculations.
465
466Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
467
468 * simops.c (OP_5F20): Implement "dbt".
469 (OP_5F60): Implement "rtd".
470
471 * d10v_sim.h (DPC_CR): Define enum.
472 (DBT_VECTOR_START): Define
473 (DPSW, DPC): Define.
474
475Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
476
477 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
478 to PSW:SM.
479
480 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
481 (SP_IDX): Define.
482
483Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
484
485 * simops.c (OP_5F00): Call error instead of abort for unknown
486 syscalls.
487
488 * d10v_sim.h (enum): Define DPSW_CR.
489
490 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
491
492Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
493
494 * interp.c (sim_write_phys): Delete.
495 (sim_load): Call sim_load_file with sim_write and LMA.
496
497Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
498
499 * interp.c: Rewrite xfer_mem so that it translates addresses as -
500 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
501 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
502 memory.
503 (pc_addr): Delete.
504 (imem_addr): New function - translate IMEM address.
505 (sim_resume): Use imem_addr to translate insn address, abort if
506 translation failed.
507 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
508 argc/argv using r0/r1 not r2/r3.
509 (sim_size): Do not initialize IMAP/DMAP here.
510 (sim_open): Call sim_create_inferior and sim_size to initialize
511 the system.
512 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
513 defaults.
514 (init_system): Delete.
515 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
516 init_system.
517 (decode_pc): Check prog_bfd is defined before looking up .text
518 section.
519
520Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
521
522 * configure: Regenerated to track ../common/aclocal.m4 changes.
523
524Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
525
526 * configure: Regenerated to track ../common/aclocal.m4 changes.
527
528Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
529
530 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
531
532Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
533
534 * d10v_sim.h (DEBUG_TRAP): New debug flag.
535
536 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
537 printing the registers.
538
539Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
540
541 * simops.c (op_types): New ABI, args are r0..r3, system call # is
542 in r4.
543 (trace_{in,out}put_func): Ditto.
544 (OP_4900): Ditto.
545 (OP_24800000): Ditto.
546 (OP_4D00): Ditto.
547 (OP_5F00): Ditto.
548
549Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
550
551 * interp.c (UMEM_SEGMENTS): New define, set to 128.
552 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
553 (sim_close): Reset prog_bfd to NULL after closing it. Also
554 reset prog_bfd_was_opened_p after closing prog_bfd.
555 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
556 (sim_create_inferior): Get start address from abfd not prog_bfd.
557 (xfer_mem): Do bounds checking on addresses and return zero length
558 read/write on bad addresses, rather than aborting. Prepare to
559 be able to handle xfers that cross segment boundaries, but not
560 yet implemented. Only emit debug message when d10v_debug is
561 set as well as DEBUG being defined.
562
563Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
564
565 * configure: Regenerated to track ../common/aclocal.m4 changes.
566
567Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
568
569 * configure: Regenerated to track ../common/aclocal.m4 changes.
570 * config.in: Ditto.
571
572Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
573
574 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
575 (BPSW): Ditto for BPSW_CR and not PSW_CR.
576
577 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
578
579Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
580
581 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
582 reserved trap from 0 to 15. Add trap emulation code for 0-14.
583
584 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
585 IBA for SDBT.
586
587 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
588 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
589
590 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
591 use move_to_cr.
592 (OP_5F00): For "trap", update BPSW with move_to_cr.
593
594Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
595
596 * d10v_sim.h (enum): Enumerate CR register names.
597 (enum): Enumerate PSW bit values.
598 (PSW): Obtain value uing move_from_cr.
599 (MOD_S, MOD_E, BPSW): Make r-values.
600 (move_from_cr, move_to_cr): Declare functions.
601
602 * interp.c (sim_fetch_register, sim_store_register): Use
603 move_from_cr and move_to_cr for CR register transfers.
604
605 * simops.c (move_from_cr, move_to_cr): New functions.
606 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
607 (OP_5600): For "mvtc", use function move_to_cr.
608 (OP_5200): For "mvfc", use function move_from_cr.
609
610Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
611
612 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
613 LSbit is zero.
614
615Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
616
617 * configure: Regenerated to track ../common/aclocal.m4 changes.
618
619Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
620
621 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
622
623 * simops.c (OP_5600): For "mvtc", save PSW.DM.
624 (OP_5200): Ditto for "mvfc".
625
626Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
627
628 * d10v_sim.h (SEXT56): Define.
629
630 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
631 it is shifted.
632
633 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
634 SIGNED64 macro.
635
636Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
637
638 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
639 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
640 don't match enum values.
641
642Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
643
644 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
645 bit rather than 16 bit precision.
646 (OP_3C00): For "mulxu", store unsigned product in ACC.
647 (OP_3800): For "msbu", subtract unsigned product from ACC,
648 (OP_0): For "sub", compute carry by comparing inputs.
649
650Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
651
652 * simops.c (OP_1000): For "sub2w", compute carry by comparing
653 inputs.
654
655Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
656
657 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
658 carry indicated by value > 0xffff.
659
660Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
661
662 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
663 handled by client.
664 (sim_resume): Fix race condition of a direct assignment to
665 stop_simulator, conditionally call sim_stop.
666 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
667 stop_simulator ready for next sim_resume call.
668 (sim_ctrl_c): Delete function.
669
670Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
671
672 * interp.c (sim_resume): For "REP", only check/update the PC when
673 a branch instruction has not been executed.
674
675Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
676
677 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
678 extend bit 44 all constants.
679 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
680
681Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
682
683 * d10v_sim.h: Include sim-types.h.
684 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
685 using unsigned8 et.al. from sim-types.h.
686 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
687 SIGNED64 macro.
688
689Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
690
691 * interp.c (sim_write_phys): New function, write to physical
692 instead of virtual memory.
693
694 * interp.c (sim_load): Pass lma_p and sim_write_phys to
695 sim_load_file.
696
697Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
698
699 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
700 exception generation code to OP_6E01.
701 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
702 generation code.
703
704Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
705
706 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
707 (OP_6601): Ditto.
708
709Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
710
711 * configure: Regenerated to track ../common/aclocal.m4 changes.
712
713Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
714
715 * interp.c (pc_addr): Discard upper bit(s) of PC in case
716 IMAP1 selects unified memory.
717 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
718 for end condition.
719
720Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
721
722 * configure: Regenerated to track ../common/aclocal.m4 changes.
723
724Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
725
726 * configure: Regenerated to track ../common/aclocal.m4 changes.
727
728Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
729
730 * configure: Regenerated to track ../common/aclocal.m4 changes.
731
732Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
733
734 * configure: Regenerated to track ../common/aclocal.m4 changes.
735
736Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
737
738 * configure: Regenerated to track ../common/aclocal.m4 changes.
739
740Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
741
742 * interp.c (sim_resume): Increment PC at end of rep
743 loop.
744
745 * simops.c (OP_4201): Fix rachi instruction.
746
747Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
748
749 * configure: Regenerated to track ../common/aclocal.m4 changes.
750
751Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
752
753 * configure: Regenerated to track ../common/aclocal.m4 changes.
754 * config.in: Ditto.
755
756Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
757
758 * interp.c (sim_kill): Delete.
759 (sim_create_inferior): Add ABFD argument.
760 (sim_load): Move setting of PC from here.
761 (sim_create_inferior): To here.
762 (start_address): Delete variable.
763
764Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
765
766 * configure: Regenerated to track ../common/aclocal.m4 changes.
767 * config.in: Ditto.
768
769Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
770
771 * interp.c (sim_open): Add ABFD argument.
772
773Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
774
775 * interp.c (sim_open): Add callback argument.
776 (sim_set_callbacks): Remove SIM_DESC argument.
777
778Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
779
780 * configure: Regenerated to track ../common/aclocal.m4 changes.
781
782Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
783
784 * interp.c (sim_open): Undo patch to add -E support.
785
786Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
787
788 * interp.c (sim_stop): New function.
789
790Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
791
792 * Makefile.in (SIM_OBJS): Add sim-load.o.
793 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
794 * interp.c: #include bfd.h.
795 (myname, sim_kind, start_address): New static locals.
796 (prog_bfd_was_opened_p, prog_bfd): New static locals.
797 (decode_pc): Update to use prog_bfd.
798 (sim_open): Set sim_kind, myname. Ignore -E arg.
799 (sim_close): Close prog_bfd if simulator opened it.
800 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
801 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
802 Call sim_load_file to load file into simulator.
803 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
804
805Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
806
807 * simops.c (OP_5F00): Only provide system calls SYS_execv,
808 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
809
810Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
811
812 * configure: Regenerated to track ../common/aclocal.m4 changes.
813 * config.in: Ditto.
814
815Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
816
817 * interp.c (sim_open): New arg `kind'.
818
819 * configure: Regenerated to track ../common/aclocal.m4 changes.
820
821Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
822
823 * configure: Regenerated to track ../common/aclocal.m4 changes.
824
825Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
826
827 * configure: Re-generate.
828
829Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
830
831 * configure: Regenerate to track ../common/aclocal.m4 changes.
832
833 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
834 as trap 0, which will be deprecated. Only set errno, if an error
835 in fact was returned.
836
837Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
838
839 * interp.c: Delete redundant prototypes of sim_foo fns.
840 (sim_open): New SIM_DESC result. Argument is now in argv form.
841 (other sim_*): New SIM_DESC argument.
842
843Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
844
845 * simops.c (trace_{input,output}_func): Call flush_stdout from the
846 callback functions.
847 (OP_5F00): Ditto.
848 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
849 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
850 setting the carry bit after an add or a subtract.
851
852Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
853
854 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
855 40 bits of accumulators. Sign/zero extend as appropriate.
856
857Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
858
859 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
860 COMMON_{PRE,POST}_CONFIG_FRAG instead.
861 * configure.in: sinclude ../common/aclocal.m4.
862 * configure: Regenerated.
863
864Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
865
866 * configure configure.in Makefile.in: Update to new configure
867 scheme which is more compatible with WinGDB builds.
868 * configure.in: Improve comment on how to run autoconf.
869 * configure: Re-run autoconf to get new ../common/aclocal.m4.
870 * Makefile.in: Use autoconf substitution to install common
871 makefile fragment.
872
873Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
874
875 * gencode.c: patch to not #include "d10v_sim.h" which
876 unecessarily includes bfd.h and causes wingdb configure
877 to fail.
878
879Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
880
881 * interp.c (xfer_mem): Change unified memory to 0x0.
882
883Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
884
885 * simops.c (OP_3E01): Fix tracing information.
886 (OP_300{0,1}): Do not propigate sign.
887
888Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
889
890 * config.in (WORDS_BIGENDIAN): Add.
891 * configure: Regenerated.
892 * d10v_sim.h: #include "config.h"
893
894Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
895
896 * gencode.c (write_opcodes): Eliminate warnings when generated
897 table.c is compiled.
898
899Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
900
901 * interp.c (sim_open): Cast result of calloc, and make sure NULL
902 was not returned.
903 (dmem_addr): If address is illegal or in I/O space, signal a bus
904 error.
905 (pc_addr): Signal bus error, not illegal instruction for bogus
906 pc.
907
908Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
909
910 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
911 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
912 * configure.in: Simplify using macros in ../common/aclocal.m4.
913 Call AC_CHECK_HEADERS(unistd.h).
914 * configure: Regenerated.
915 * config.in: New file.
916 * interp.c: #include "callback.h".
917 * simops.c: #include "config.h". #include <unistd.h> if present.
918
919Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
920
921 * d10v-sim.h (simops): Add flag is_long.
922 (State): Add pc_changed. Instructions which update the PC should
923 use the JMP macro which sets this.
924 (JMP): New macro. Sets the PC and the pc_changed flag.
925
926 * gencode.c (write_opcodes): Add is_long field.
927
928 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
929 to a long opcode we could get a false match. Check the opcode size.
930 (hash): Add a size field to the hash table.
931 (sim_open): Initialize size field in hash table.
932 (sim_resume): Change to logic for setting the PC. Used to increment the
933 PC if it had not been changed. This didn't allow single-instruction loops.
934 Now checks the flag State.pc_changed. Also now stops when ^C is received.
935 (dmem_addr): Fix translation of data segments to unified memory.
936 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
937
938 * simops.c: Changed all branch and jump instructions to use new JMP macro.
939 (OP_20000000): Corrected trace information to show this is a ldi.l, not
940 a ldi.s instruction.
941
942Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
943
944 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
945 updating the accumulators was overwriting other parts of the global
946 State variable.
947
948Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
949
950 * interp.c (bfd.h) Don't include it here any more.
951 (text{,_start,_end}): Move here from simops.c and make extern.
952 (decode_pc): New function to return the PC as an address that the
953 debugger can use.
954 (dmem_addr): Print decoded PC in error message.
955 (pc_addr): Ditto.
956
957 * simops.c (bfd.h) Don't include it here any more.
958 (text{,_start,_end}): Move to simops.c.
959 (trace_input_func): Move decoding of PC, and looking up .text
960 start to decode_pc.
961
962 * d10v_sim.h (bfd.h): Include it here.
963 (text{,_start,_end}): Add external declarations.
964 (exec_bfd): Ditto.
965 (decode_pc): Ditto.
966
967Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
968
969 * interp.c (sim_size): Now allocates unified memory for imap segments
970 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
971 (sim_write): Just call xfer_mem().
972 (sim_read): Just call xfer_mem().
973 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
974 (dmem_addr): New function. Reads dmap register and translates data
975 addresses to local addresses.
976 (pc_addr): New function. Reads imap register and computes local address
977 corresponding to contents of the PC.
978 (sim_resume): Change to use pc_addr().
979 (sim_create_inferior): Change reinitialization code. Also reinitializes
980 imap[01] and dmap.
981 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
982 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
983
984 * simops.c (MEMPTR): Redefine to use dmem_addr().
985 (OP_5F00): Replace references to STate.imem with dmem_addr().
986
987 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
988 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
989 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
990
991Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
992
993 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
994 better statistics, like not counting NOPS as parallel
995 instructions, and printing total cycles.
996 (ins_type_counters): Make unsigned long.
997 (left_nops,right_nops): Fold into ins_type_counters.
998
999 * simops.c (trace_input_func): Print new instruction types.
1000 Handle OP_R2R3 as input types.
1001 (OP_{38000000,7000}): Correctly sign extend bytes.
1002 (OP_5E00): Don't count NOPs as parallel instructions.
1003 (OP_460B): Remove unused variable.
1004 (OP_5F00): Ditto.
1005
1006 * interp.c (ins_type_counters): Make unsigned long.
1007 (left_nops,right_nops): Delete.
1008 (most functions): Add prototypes.
1009 (INLINE): If GCC and optimize define as __inline__.
1010 ({,lookup_}hash,get_operands): Declare as INLINE.
1011 (do_parallel): Count conditional operations.
1012 (add_commas): New function, to add commas every 3 digits.
1013 (sim_size): Call add_commas to print numbers.
1014 (sim_{open,resume}): Delete unused variables.
1015 (sim_info): Provide better statistics.
1016 (sim_read): Add int return type.
1017
1018Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1019
1020 * interp.c (sim_resume): Change the way single-stepping and exceptions
1021 are handled so single-stepping works again.
1022
1023Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1024
1025 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1026 endian hosts.
1027
1028 * configure.in (--enable-sim-bswap): New switch to enable using
1029 the BSWAP instruction on x86's.
1030 * configure: Regenerate.
1031
1032 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1033 support.
1034
1035Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1036
1037 * endian.c: New file. Move endian functions here from interp.c.
1038 Optimize code, and make it work as either inline functions or as a
1039 separate file.
1040
1041 * interp.c: Move endian functions from here to endian.c.
1042
1043 * Makefile.in (INCLUDE): Add endian.c.
1044 (run,libsim.a): Add dependency on endian.o.
1045 (endian.o): Add dependency.
1046
1047 * d10v_sim.h (read/write support): Always go through the machine
1048 independent endian functions. If compiling with GCC and
1049 optimizing, include endian.c so the endian functions are inlined.
1050
1051 * simops.c (OP_5F00): Correct tracing of accumulators.
1052
1053Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1054
1055 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1056
1057 * interp.c (do_{2_short,parallel}): If an exception is raised,
1058 don't execute the second instruction.
1059
1060Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1061
1062 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1063 temporary in case the register is overriden when loading.
1064 (OP_6200): Output type is OP_DREG for tracing.
1065
1066Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1067
1068 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1069
1070 * interp.c (sim_size): Initialize mem_{min,max} fields.
1071 (sim_write): Update mem_{min,max} fields.
1072 (sim_resume): If PC is not in the minimum/maximum memory range,
1073 abort.
1074 (sim_create_inferior): Preserve mem_{min,max} fields.
1075
1076Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1077
1078 * simops.c (OP_5F00): Add support for time() system call.
1079
1080Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1081
1082 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1083 stored if tracing.
1084 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1085 system calls.
1086
1087Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1088
1089 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1090 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1091 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1092 to call/subroutine returns to trace the first two arguments and
1093 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1094
1095Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1096
1097 * interp.c (sim_create_inferior): Reinitialize State every time
1098 sim_create_inferior() is called.
1099
1100Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1101
1102 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1103 on comparisons.
1104 (OP_401): Fix tracing information.
1105
1106Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1107
1108 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1109 (trace_input_func): Use them.
1110 (trace_input_func): Make sure there is a trailing space after the
1111 instruction.
1112 (OP_6200): Fix tracing info.
1113
1114 * Makefile.in (run): Add dependencies on libbfd.a and
1115 libiberity.a.
1116
1117Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1118
1119 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1120 numbers and function names in debug trace.
1121 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1122 DEBUG_LINE_NUMBER.
1123 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1124 and exit system call trap being executed.
1125
1126 * interp.c (sim_stop_reason): Set exit code correctly for stop
1127 instruction and exit system call trap.
1128
1129 * configure.in (--enable-sim-cflags): Remove trace case.
1130 (--enable-sim-debug): New switch to set the debug values.
1131 * configure: Regenerate.
1132
1133 * simops.c (trace_{input,output}_func): Rename from
1134 trace_{input,output}.
1135 (trace_{input,output}): Call trace_{input,output}_func if
1136 d10v_debug is non-zero.
1137 (SIZE_INSTRUCTION): Cut down to 8.
1138 (SIZE_OPERANDS): Cut down to 18.
1139 (SIZE_LOCATION): New value for size of line number, function name
1140 field.
1141 (init_text_p,text{,_start,_end}): New static variables for
1142 printing line number and function name.
1143 (exec_bfd): New external that run.c sets.
1144 (trace_input_func): Print line number and function name if
1145 available and if desired.
1146 (OP_4E09): Don't print out DBT message.
1147 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1148 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1149
1150Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1151
1152 * interp.c (do_2_short): If the instruction encodes jump->ins,
1153 don't do the second instruction if the jump succeeds.
1154
1155Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1156
1157 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1158 accumulators, PC, and F0/F1/C flags.
1159
1160Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1161
1162 * simops.c (OP_5F00): Fix problems with system calls.
1163
1164Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1165
1166 * simops.c (OP_5F00): Correct tracing information for trap.
1167
1168Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1169
1170 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1171
1172Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1173
1174 * simops.c (trace_output): Properly align accumulator output.
1175 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1176 if shift count is too high.
1177 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1178 (OP_4E09): Make cpfg properly trace the input flags.
1179 (op_types): Add OP_FLAG_OUTPUT.
1180 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1181 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1182 an 8-bit memory reference instruction for tracing purposes.
1183 (OP_201): Addi needs to set the carry.
1184
1185Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1186
1187 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1188 to use signed register values.
1189
1190Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1191
1192 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1193 output.
1194 (_ins_type): New enumeration to specify which container an
1195 instruction is in, and whether it is part of a parallel operation.
1196 (_state): Add ins_type field.
1197 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1198 (ins_type_counters): Counters for the various instruction types.
1199 ({left,right}_nops): Counters for the number of nops in each
1200 container.
1201 (d10v_debug): New variable to indicate whether debugging is turned
1202 on.
1203
1204 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1205 the input and output values can be traced, along with the
1206 instruction type. Make the -t option enable tracing.
1207 (all functions): Change printf calls to use the printf_filtered
1208 function in the callback table.
1209
1210 * interp.c (_leftright): New enumeration to say whether 2 short
1211 instructions are done left first or right first.
1212 (do_{long,2_short,parallel}): Indicate in the machine state which
1213 type of instruction this is. Count each of the types of
1214 instructions executed.
1215 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1216 flag is set.
1217 (sim_resume): Pass left/right indication to do_2_short.
1218 (all functions): Change printf calls to use the printf_filtered
1219 function in the callback table.
1220 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1221 sim_resume.
1222 (sim_info): Print out statistics on instructions.
1223 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1224 debugging.
1225 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1226 Only initialize the hash table the first time sim_open is called.
1227
1228 * Makefile.in: Make objects depend on d10v_sim.h.
1229 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1230 CFLAGS does not override host/target defines or SIM_CFLAGS.
1231 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1232 (run): By default, the math library is not needed to be linked
1233 in.
1234 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1235 overridden.
1236 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1237 makes.
1238 ({run,callback}.o): Provide explicit paths to their appropriate
1239 source directories.
1240 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1241 and linking. Instead of linking in libopcodes.a, just compile
1242 d10v-opc.o directly to handle canadian cross.
1243 (CSEARCH): Add opcodes directory.
1244
1245 * configure.in (--enable-sim-cflags): New switch to allow user to
1246 set the defaults.
1247 (CC_FOR_BUILD): Deal with canadian crosses.
1248 * configure: Regenerate.
1249
1250Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1251
1252 * simops.c: Include correct syscall.h for d10v, not host's.
1253 Fix #ifdef SYS_stat.
1254
1255Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1256
1257 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1258 Add trap 2 to be printf and trap 3 to be putchar.
1259
1260Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1261
1262 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1263 for low-level system calls.
1264
1265Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1266
1267 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1268
1269Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1270
1271 * d10v_sim.h (SEXT32): Added.
1272 * interp.c: Commented out printfs.
1273 * simops.c: Fixed error in sb and st2w.
1274
1275Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1276
1277 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1278 DSP instructions. Added modulo addressing.
1279
1280Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1281
1282 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1283
1284Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1285
1286 * d10v_sim.h, simops.c: Snapshot.
1287
1288Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1289
1290 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1291 gencode.c, interp.c, simops.c: Created.
1292
GDB Binutils - Deliverables
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