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[deliverable/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
35695fd6
AC		 12005-01-14 Andrew Cagney <cagney@gnu.org>
2
3 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
4 explicit call to AC_CONFIG_HEADER.
5 * configure: Regenerate.
6
f0569246
AC		 72005-01-12 Andrew Cagney <cagney@gnu.org>
8
9 * configure.ac: Update to use ../common/common.m4.
10 * configure: Re-generate.
11
38f48d72
AC		 122005-01-11 Andrew Cagney <cagney@localhost.localdomain>
13
14 * configure: Regenerated to track ../common/aclocal.m4 changes.
15
b7026657
AC		 162005-01-07 Andrew Cagney <cagney@gnu.org>
17
18 * configure.ac: Rename configure.in, require autoconf 2.59.
19 * configure: Re-generate.
20
379832de
HPN		 212004-12-08 Hans-Peter Nilsson <hp@axis.com>
22
23 * configure: Regenerate for ../common/aclocal.m4 update.
24
0aaa4a81
AC		 252004-06-28 Andrew Cagney <cagney@gnu.org>
26
27 * interp.c (sim_resume): Rename ui_loop_hook to
28 deprecated_ui_loop_hook.
29
fc0a2244
AC		 302003-10-30 Andrew Cagney <cagney@redhat.com>
31
32 * simops.c: Replace "struct symbol_cache_entry" with "struct
33 bfd_symbol".
34
ea086965
AC		 352003-06-22 Andrew Cagney <cagney@redhat.com>
36
37 * interp.c (xfer_mem): Simplify. Only do a single partial
38 transfer. Problem reported by Tom Rix.
39
f6684c31
AC		 402003-05-07 Andrew Cagney <cagney@redhat.com>
41
42 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
43 (sim_d10v_translate_imap_addr): Ditto.
44 (sim_d10v_translate_dmap_addr): Ditto.
45 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
46 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
47 (dmap_register, imap_register): Add "regcache" parameter.
48 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
49 (sim_fetch_register): Pass NULL regcache to imap_register and
50 dmap_register.
51
6b4a8935
AC		 522003-02-27 Andrew Cagney <cagney@redhat.com>
53
54 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
55
d25b1553
AC		 562002-11-13 Andrew Cagney <cagney@redhat.com>
57
58 * simops.c: Include <string.h>.
59
57af9c8b
AC		 602002-06-17 Andrew Cagney <cagney@redhat.com>
61
62 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
63
c8cca39f
AC		 642002-06-16 Andrew Cagney <ac131313@redhat.com>
65
66 * configure: Regenerated to track ../common/aclocal.m4 changes.
67
3d2957e6
TR		 682002-06-13 Tom Rix <trix@redhat.com>
69
70 * interp.c (xfer_mem): Fix transfers across multiple segments.
71
3c25f8c7
AC		 722002-06-09 Andrew Cagney <cagney@redhat.com>
73
74 * Makefile.in (INCLUDE): Update path to callback.h.
75 * gencode.c: Do not include "callback.h".
76 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
77 * interp.c: Ditto.
78
983b727e
AC		 792002-06-08 Andrew Cagney <cagney@redhat.com>
80
81 * interp.c (sim_fetch_register): Fix name of enum used in cast.
82 (sim_store_register): Ditto.
83
676ab6a0 842002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 85
86 From Jason Eckhardt <jle@redhat.com>
87 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
88 less than MOD_S (post-decrement).
89
18c0df9e
AC		 902002-06-01 Andrew Cagney <ac131313@redhat.com>
91
92 * interp.c (sim_fetch_register, sim_store_register): Use a switch
93 statement and enums from "sim-d10v.h".
94
1aa5e64f
EZ		 952002-05-28 Elena Zannoni <ezannoni@redhat.com>
96
97 * interp.c (sim_create_inferior): Add comment.
98
99 From Alan Matsuoka <alanm@redhat.com>:
100 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
101 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
102 (OP_4401): Output "mvf0t" instead of "mf0t".
103 (OP_460B): Do not output a flag register.
104 (OP_4609): Do not output a flag register.
105
b91b96f4
AC		 1062002-05-23 Andrew Cagney <ac131313@redhat.com>
107
108 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
109 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
110
962b3ead
JM		 1112001-08-01 John R. Moore <jmoore@redhat.com>
112
113 * interp.c (sim_create_inferior): Removed a hack that stated
114 it was setting r0/r1 with argc/argv.
115
d4424ada
C		 1162001-04-15 J.T. Conklin <jtc@redback.com>
117
118 * Makefile.in (simops.o): Add simops.h to dependency list.
119
eb2d80b4
AC		 120Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
121
122 * configure: Regenerated to track ../common/aclocal.m4 changes.
123
27842f65
AC		 124Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
125
126 * interp.c (sim_resume): Deliver SIGILL.
127 (lookup_hash): Do not print SIGILL message.
128
baa7ae6f
AC		 129Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
130
131 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
132 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
133
ba744a4f
AC		 134Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
135
136 * d10v_sim.h (SIG_D10V_BUS): Define.
137
138 * simops.c (address_exception): Delete function.
139 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
140 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
141 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
142 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
143 address_exception with code that sets SIG_D10V_BUS.
144
145 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
146 error to the simulator before resuming execution.
147 (sim_trace): Check stop reason and use that to determine sim_trace
148 return value.
149 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
150 sigrc.
151
152Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
153
154 * interp.c (sim_create_inferior): Change internal initial value for
155 DMAP2 to 0x2000.
156
c3f6f71d
JM		 157Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
158
159 * interp.c (lookup_hash): Stop the update of the PC when there was
160 an illegal instruction exception.
161
162Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
163
164 * simops.c (address_exception): New function.
165 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
166 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
167 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
168 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
169 and "st2w" check that the address is aligned.
170
8ae7f924
FCE		 1711999-12-30 Chandra Chavva <cchavva@cygnus.com>
172
173 * d10v_sim.h (INC_ADDR): Added code to assign
174 proper address for loads with predec operations.
175
c2d11a7d
JM		 1761999-11-25 Nick Clifton <nickc@cygnus.com>
177
178 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
179 cpfg instruction.
180
4ce44c66
JM		 181Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
182
183 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
184 DPSW and BPSW.
185
186Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
187
188 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
189 (PSW_HW_MASK): Declare.
190
191 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
192 (SET_CREG, SET_PSW_BIT): Update.
193 (SET_HW_CREG, SET_HW_PSW): Define.
194
195Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
196
197 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
198 for DMAP3.
199
200Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
201
202 * interp.c (sim_d10v_translate_addr): New function.
203 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
204 (map_memory): Make INLINE.
205
206Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
207
208 * interp.c (sim_d10v_translate_dmap_addr): New function.
209 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
210 offset parameter to type uint16.
211 * d10v_sim.h (dmem_addr): Update declaration.
212
213Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
214
215 * interp.c (imap_register, set_imap_register, dmap_register,
216 set_imap_register): Use map_memory.
217 (DMAP): Update.
218 (sim_create_inferior): Initialize all DMAP registers. NOTE that
219 DMAP2, in internal memory mode, is set to 0x0000 and NOT
220 0x2000. This is consistent with the older d10v boards.
221
222Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
223
224 * interp.c (sim_d10v_translate_imap_addr): New function.
225 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
226 (last_from, last_to): Declare.
227
228Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
229
230 * d10v_sim.h (struct d10v_memory): Define. Support very long
231 memories.
232 (struct _state): Replace imem, dmem and umem by mem.
233 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
234 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
235
236 * interp.c (map_memory): New function.
237 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
238 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
239 (IMEM_SIZEDMEM_SIZE): Delete.
240
241Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
242
243 * interp.c: Include "sim-d10v.h".
244 (imap_register, set_imap_register, dmap_register,
245 set_dmap_register, spi_register, spu_register, set_spi_register,
246 set_spu_register): New functions.
247 (sim_create_inferior): Update.
248 (sim_fetch_register, sim_store_register): Rewrite. Use enums
249 defined in sim-d10v.h.
250
251 * d10v_sim.h (DEBUG_MEMORY): Define.
252 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
253
254Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
255
256 * interp.c (sim_open): Allow a debug value to be passed to the -t
257 option.
258 (lookup_hash): Don't exit on an illegal instruction.
259 (do_long, do_2_short, do_parallel): Check for failed instruction
260 lookup.
261
5c44784c
JM		 262Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
263
264 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 265 message.
5c44784c 266
c2c6d25f
JM		 2671999-09-14 Nick Clifton <nickc@cygnus.com>
268
269 * simops.c: Disable setting of DM bit in PSW.
270
cff3e48b
JM		 271Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
272
273 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
274 (trace_input_func): Added support for OP_MEMREF3.
275 (OP_32010000): New instruction ld.
276 (OP_33010000): New instruction ld2w.
277 (OP_5209): New instruction sac.
278 (OP_4209): New instruction sachi.
279 (OP_3220): New instruction slae.
280 (OP_36010000): New instruction st.
281 (OP_37010000): New instruction st2w.
282
2831999-09-09 Stan Shebs <shebs@andros.cygnus.com>
284
285 * interp.c (old_segment_mapping): New global.
286 (xfer_mem): Change the default segment mapping to be the way
287 that Mitsubishi prefers, but use the previous mapping if
288 old_segment_mapping is true.
289 (sim_open): Add an option -oldseg to get the old mapping.
290 (sim_create_inferior): Init mapping registers based on the
291 value of old_segment_mapping.
292
d4f3574e
SS		 2931999-09-07 Nick Clifton <nickc@cygnus.com>
294
295 * simops.c (OP_6601): Do not write back decremented address if
296 either of the destination registers was the same as the address
297 register.
298 (OP_6201): Do not write back incremented address if either of the
299 destination registers was the same as the address register.
300
301Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
302
303 * configure: Regenerated to track ../common/aclocal.m4 changes.
304
cd0fc7c3
SS		 3051999-05-08 Felix Lee <flee@cygnus.com>
306
307 * configure: Regenerated to track ../common/aclocal.m4 changes.
308
7a292a7a
SS		 3091999-04-02 Keith Seitz <keiths@cygnus.com>
310
311 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
312 defined).
313 (sim_resume): If the counter has expired, call the ui_loop_hook,
314 if defined.
315 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
316 ui_loop_hook calls.
317 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
318
319Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
320
321 * simops.c: If load instruction with auto increment/decrement
322 addressing is used when the destination register is the same as
323 the address register, then ignore the auto increment/decrement.
324
325Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
326
327 * simops.c (OP_5F00): Ifdef SYS_stat case because
328 not all systems have it defined.
329
c906108c
SS		 3301999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
331
332 * simops.c (OP_5607): Correct saturation comparison/assignment.
333 (OP_1201, OP_1203, OP_17001200, OP_17001202,
334 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
335 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
336
3371999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
338
339 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
340 comparison.
341 (OP_5607): Ditto.
342 (OP_2A00): Ditto.
343 (OP_2800): Ditto.
344
3451999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
346
347 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
348 comparison.
349
350Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
351
352 * simops.c (sys/syscall.h): Include targ-vals.h instead.
353 (SYS_*): Replace with TARGET_SYS_*.
354
355 * Makefile.in: Add dependency on targ-vals.h.
356 (NL_TARGET): Define as NL_TARGET_d10v.
357
358Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
359
360 * interp.c (xfer_mem): Missing break, instruction memory case
361 flowed into unified memory case.
362
363Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
364
365 * simops.c: If load instruction with auto increment/decrement
366 addressing is used when the destination register is the same as
367 the address register, then ignore the auto increment/decrement.
368
369Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
370
371 * configure: Regenerated to track ../common/aclocal.m4 changes.
372
373Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
374
375 * configure: Regenerated to track ../common/aclocal.m4 changes.
376 * config.in: Ditto.
377
378Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
379
380 * acconfig.h: New file.
381 * configure.in: Reverted change of Apr 24; use sinclude again.
382
383Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
384
385 * configure: Regenerated to track ../common/aclocal.m4 changes.
386 * config.in: Ditto.
387
388Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
389
390 * configure.in: Don't call sinclude.
391
392Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
393
394 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
395
396 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
397
398Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
399
400 * configure: Regenerated to track ../common/aclocal.m4 changes.
401
402Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
403
404 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
405 up-to-date CR value.
406 (OP_OP_1000000, add3): Trace inputs before performing add.
407 (OP_5F00, <*>): Trace input registers before making system call.
408 (OP_5F00, <kill>): Trace R0, R1 not REGn.
409 (OP_5F00, <getpid>): Always return 47.
410
411 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
412 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
413 back slots.
414 (struct _state): Add struct slot slot to global state variable.
415 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
416 F0, F1, C from global State variable.
417 (struct _state): Add struct trace to global State variable.
418 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
419 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
420 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
421 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
422 (JMP): Re-implement. Use SET_* to update registers.
423
424 * interp.c: Use new SET_* et.al. macros to fetch / store
425 registers.
426 (get_operands): Squirrel away trace values at start of each
427 operand decode.
428 (do_2_short): Flush pending writes before issuing second
429 instruction.
430 (sim_resume): Flush pending writes at end of instruction cycle.
431 (sim_fetch_register, sim_store_register, sim_create_inferior):
432 After scheduling updates to registers using SET_*, flush updates.
433 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
434 that each sets pc using SET_* and last SET_* eventually winds out.
435
436 * simops.c: Use new SET_* et.al. macros to fetch / store
437 registers.
438 (move_to_cr): Add MASK argument for selective update of CREG bits.
439 Re-implement using new SET_* macros.
440 (trace_output_func, trace_output): Delete. Replace with.
441 (do_trace_output_flush, trace_output_finish, trace_output_40,
442 trace_output_32, trace_output_16, trace_output_void,
443 trace_output_flag): New functions. Handle specific trace cases.
444 (OP_*): Re-write tracing to use new trace_output_* functions.
445 (OP_*): Re-write to use new SET_* et.al. macros.
446 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
447 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
448
449Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
450
451 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
452 configure: Re-generate.
453
454Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
455
456 * configure: Regenerated to track ../common/aclocal.m4 changes.
457
458Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
459
460 * configure: Regenerated to track ../common/aclocal.m4 changes.
461
462Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
463
464 * configure: Regenerated to track ../common/aclocal.m4 changes.
465
466Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
467
468 * interp.c (sim_store_register, sim_fetch_register): Pass in
469 length parameter. Return -1.
470
471Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
472
473 * (dmem_addr): If address is illegal or in I/O space, signal a bus
474 error. Allocate unified memory on demand. Fix DMEM address
475 calculations.
476
477Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
478
479 * simops.c (OP_5F20): Implement "dbt".
480 (OP_5F60): Implement "rtd".
481
482 * d10v_sim.h (DPC_CR): Define enum.
483 (DBT_VECTOR_START): Define
484 (DPSW, DPC): Define.
485
486Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
487
488 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
489 to PSW:SM.
490
491 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
492 (SP_IDX): Define.
493
494Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
495
496 * simops.c (OP_5F00): Call error instead of abort for unknown
497 syscalls.
498
499 * d10v_sim.h (enum): Define DPSW_CR.
500
501 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
502
503Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
504
505 * interp.c (sim_write_phys): Delete.
506 (sim_load): Call sim_load_file with sim_write and LMA.
507
508Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
509
510 * interp.c: Rewrite xfer_mem so that it translates addresses as -
511 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
512 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
513 memory.
514 (pc_addr): Delete.
515 (imem_addr): New function - translate IMEM address.
516 (sim_resume): Use imem_addr to translate insn address, abort if
517 translation failed.
518 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
519 argc/argv using r0/r1 not r2/r3.
520 (sim_size): Do not initialize IMAP/DMAP here.
521 (sim_open): Call sim_create_inferior and sim_size to initialize
522 the system.
523 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
524 defaults.
525 (init_system): Delete.
526 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
527 init_system.
528 (decode_pc): Check prog_bfd is defined before looking up .text
529 section.
530
531Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
532
533 * configure: Regenerated to track ../common/aclocal.m4 changes.
534
535Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
536
537 * configure: Regenerated to track ../common/aclocal.m4 changes.
538
539Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
540
541 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
542
543Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
544
545 * d10v_sim.h (DEBUG_TRAP): New debug flag.
546
547 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
548 printing the registers.
549
550Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
551
552 * simops.c (op_types): New ABI, args are r0..r3, system call # is
553 in r4.
554 (trace_{in,out}put_func): Ditto.
555 (OP_4900): Ditto.
556 (OP_24800000): Ditto.
557 (OP_4D00): Ditto.
558 (OP_5F00): Ditto.
559
560Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
561
562 * interp.c (UMEM_SEGMENTS): New define, set to 128.
563 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
564 (sim_close): Reset prog_bfd to NULL after closing it. Also
565 reset prog_bfd_was_opened_p after closing prog_bfd.
566 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
567 (sim_create_inferior): Get start address from abfd not prog_bfd.
568 (xfer_mem): Do bounds checking on addresses and return zero length
569 read/write on bad addresses, rather than aborting. Prepare to
570 be able to handle xfers that cross segment boundaries, but not
571 yet implemented. Only emit debug message when d10v_debug is
572 set as well as DEBUG being defined.
573
574Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
575
576 * configure: Regenerated to track ../common/aclocal.m4 changes.
577
578Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
579
580 * configure: Regenerated to track ../common/aclocal.m4 changes.
581 * config.in: Ditto.
582
583Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
584
585 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
586 (BPSW): Ditto for BPSW_CR and not PSW_CR.
587
588 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
589
590Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
591
592 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
593 reserved trap from 0 to 15. Add trap emulation code for 0-14.
594
595 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
596 IBA for SDBT.
597
598 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
599 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
600
601 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
602 use move_to_cr.
603 (OP_5F00): For "trap", update BPSW with move_to_cr.
604
605Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
606
607 * d10v_sim.h (enum): Enumerate CR register names.
608 (enum): Enumerate PSW bit values.
609 (PSW): Obtain value uing move_from_cr.
610 (MOD_S, MOD_E, BPSW): Make r-values.
611 (move_from_cr, move_to_cr): Declare functions.
612
613 * interp.c (sim_fetch_register, sim_store_register): Use
614 move_from_cr and move_to_cr for CR register transfers.
615
616 * simops.c (move_from_cr, move_to_cr): New functions.
617 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
618 (OP_5600): For "mvtc", use function move_to_cr.
619 (OP_5200): For "mvfc", use function move_from_cr.
620
621Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
622
623 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
624 LSbit is zero.
625
626Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
627
628 * configure: Regenerated to track ../common/aclocal.m4 changes.
629
630Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
631
632 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
633
634 * simops.c (OP_5600): For "mvtc", save PSW.DM.
635 (OP_5200): Ditto for "mvfc".
636
637Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
638
639 * d10v_sim.h (SEXT56): Define.
640
641 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
642 it is shifted.
643
644 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
645 SIGNED64 macro.
646
647Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
648
649 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
650 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
651 don't match enum values.
652
653Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
654
655 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
656 bit rather than 16 bit precision.
657 (OP_3C00): For "mulxu", store unsigned product in ACC.
658 (OP_3800): For "msbu", subtract unsigned product from ACC,
659 (OP_0): For "sub", compute carry by comparing inputs.
660
661Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
662
663 * simops.c (OP_1000): For "sub2w", compute carry by comparing
664 inputs.
665
666Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
667
668 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
669 carry indicated by value > 0xffff.
670
671Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
672
673 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
674 handled by client.
675 (sim_resume): Fix race condition of a direct assignment to
676 stop_simulator, conditionally call sim_stop.
677 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
678 stop_simulator ready for next sim_resume call.
679 (sim_ctrl_c): Delete function.
680
681Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
682
683 * interp.c (sim_resume): For "REP", only check/update the PC when
684 a branch instruction has not been executed.
685
686Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
687
688 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
689 extend bit 44 all constants.
690 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
691
692Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
693
694 * d10v_sim.h: Include sim-types.h.
695 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
696 using unsigned8 et.al. from sim-types.h.
697 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
698 SIGNED64 macro.
699
700Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
701
702 * interp.c (sim_write_phys): New function, write to physical
703 instead of virtual memory.
704
705 * interp.c (sim_load): Pass lma_p and sim_write_phys to
706 sim_load_file.
707
708Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
709
710 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
711 exception generation code to OP_6E01.
712 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
713 generation code.
714
715Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
716
717 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
718 (OP_6601): Ditto.
719
720Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
721
722 * configure: Regenerated to track ../common/aclocal.m4 changes.
723
724Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
725
726 * interp.c (pc_addr): Discard upper bit(s) of PC in case
727 IMAP1 selects unified memory.
728 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
729 for end condition.
730
731Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
732
733 * configure: Regenerated to track ../common/aclocal.m4 changes.
734
735Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
736
737 * configure: Regenerated to track ../common/aclocal.m4 changes.
738
739Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
740
741 * configure: Regenerated to track ../common/aclocal.m4 changes.
742
743Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
744
745 * configure: Regenerated to track ../common/aclocal.m4 changes.
746
747Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
748
749 * configure: Regenerated to track ../common/aclocal.m4 changes.
750
751Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
752
753 * interp.c (sim_resume): Increment PC at end of rep
754 loop.
755
756 * simops.c (OP_4201): Fix rachi instruction.
757
758Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
759
760 * configure: Regenerated to track ../common/aclocal.m4 changes.
761
762Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
763
764 * configure: Regenerated to track ../common/aclocal.m4 changes.
765 * config.in: Ditto.
766
767Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
768
769 * interp.c (sim_kill): Delete.
770 (sim_create_inferior): Add ABFD argument.
771 (sim_load): Move setting of PC from here.
772 (sim_create_inferior): To here.
773 (start_address): Delete variable.
774
775Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
776
777 * configure: Regenerated to track ../common/aclocal.m4 changes.
778 * config.in: Ditto.
779
780Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
781
782 * interp.c (sim_open): Add ABFD argument.
783
784Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
785
786 * interp.c (sim_open): Add callback argument.
787 (sim_set_callbacks): Remove SIM_DESC argument.
788
789Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
790
791 * configure: Regenerated to track ../common/aclocal.m4 changes.
792
793Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
794
795 * interp.c (sim_open): Undo patch to add -E support.
796
797Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
798
799 * interp.c (sim_stop): New function.
800
801Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
802
803 * Makefile.in (SIM_OBJS): Add sim-load.o.
804 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
805 * interp.c: #include bfd.h.
806 (myname, sim_kind, start_address): New static locals.
807 (prog_bfd_was_opened_p, prog_bfd): New static locals.
808 (decode_pc): Update to use prog_bfd.
809 (sim_open): Set sim_kind, myname. Ignore -E arg.
810 (sim_close): Close prog_bfd if simulator opened it.
811 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
812 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
813 Call sim_load_file to load file into simulator.
814 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
815
816Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
817
818 * simops.c (OP_5F00): Only provide system calls SYS_execv,
819 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
820
821Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
822
823 * configure: Regenerated to track ../common/aclocal.m4 changes.
824 * config.in: Ditto.
825
826Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
827
828 * interp.c (sim_open): New arg `kind'.
829
830 * configure: Regenerated to track ../common/aclocal.m4 changes.
831
832Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
833
834 * configure: Regenerated to track ../common/aclocal.m4 changes.
835
836Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
837
838 * configure: Re-generate.
839
840Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
841
842 * configure: Regenerate to track ../common/aclocal.m4 changes.
843
844 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
845 as trap 0, which will be deprecated. Only set errno, if an error
846 in fact was returned.
847
848Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
849
850 * interp.c: Delete redundant prototypes of sim_foo fns.
851 (sim_open): New SIM_DESC result. Argument is now in argv form.
852 (other sim_*): New SIM_DESC argument.
853
854Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
855
856 * simops.c (trace_{input,output}_func): Call flush_stdout from the
857 callback functions.
858 (OP_5F00): Ditto.
859 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
860 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
861 setting the carry bit after an add or a subtract.
862
863Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
864
865 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
866 40 bits of accumulators. Sign/zero extend as appropriate.
867
868Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
869
870 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
871 COMMON_{PRE,POST}_CONFIG_FRAG instead.
872 * configure.in: sinclude ../common/aclocal.m4.
873 * configure: Regenerated.
874
875Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
876
877 * configure configure.in Makefile.in: Update to new configure
878 scheme which is more compatible with WinGDB builds.
879 * configure.in: Improve comment on how to run autoconf.
880 * configure: Re-run autoconf to get new ../common/aclocal.m4.
881 * Makefile.in: Use autoconf substitution to install common
882 makefile fragment.
883
884Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
885
886 * gencode.c: patch to not #include "d10v_sim.h" which
887 unecessarily includes bfd.h and causes wingdb configure
888 to fail.
889
890Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
891
892 * interp.c (xfer_mem): Change unified memory to 0x0.
893
894Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
895
896 * simops.c (OP_3E01): Fix tracing information.
897 (OP_300{0,1}): Do not propigate sign.
898
899Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
900
901 * config.in (WORDS_BIGENDIAN): Add.
902 * configure: Regenerated.
903 * d10v_sim.h: #include "config.h"
904
905Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
906
907 * gencode.c (write_opcodes): Eliminate warnings when generated
908 table.c is compiled.
909
910Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
911
912 * interp.c (sim_open): Cast result of calloc, and make sure NULL
913 was not returned.
914 (dmem_addr): If address is illegal or in I/O space, signal a bus
915 error.
916 (pc_addr): Signal bus error, not illegal instruction for bogus
917 pc.
918
919Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
920
921 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
922 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
923 * configure.in: Simplify using macros in ../common/aclocal.m4.
924 Call AC_CHECK_HEADERS(unistd.h).
925 * configure: Regenerated.
926 * config.in: New file.
927 * interp.c: #include "callback.h".
928 * simops.c: #include "config.h". #include <unistd.h> if present.
929
930Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
931
932 * d10v-sim.h (simops): Add flag is_long.
933 (State): Add pc_changed. Instructions which update the PC should
934 use the JMP macro which sets this.
935 (JMP): New macro. Sets the PC and the pc_changed flag.
936
937 * gencode.c (write_opcodes): Add is_long field.
938
939 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
940 to a long opcode we could get a false match. Check the opcode size.
941 (hash): Add a size field to the hash table.
942 (sim_open): Initialize size field in hash table.
943 (sim_resume): Change to logic for setting the PC. Used to increment the
944 PC if it had not been changed. This didn't allow single-instruction loops.
945 Now checks the flag State.pc_changed. Also now stops when ^C is received.
946 (dmem_addr): Fix translation of data segments to unified memory.
947 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
948
949 * simops.c: Changed all branch and jump instructions to use new JMP macro.
950 (OP_20000000): Corrected trace information to show this is a ldi.l, not
951 a ldi.s instruction.
952
953Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
954
955 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
956 updating the accumulators was overwriting other parts of the global
957 State variable.
958
959Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
960
961 * interp.c (bfd.h) Don't include it here any more.
962 (text{,_start,_end}): Move here from simops.c and make extern.
963 (decode_pc): New function to return the PC as an address that the
964 debugger can use.
965 (dmem_addr): Print decoded PC in error message.
966 (pc_addr): Ditto.
967
968 * simops.c (bfd.h) Don't include it here any more.
969 (text{,_start,_end}): Move to simops.c.
970 (trace_input_func): Move decoding of PC, and looking up .text
971 start to decode_pc.
972
973 * d10v_sim.h (bfd.h): Include it here.
974 (text{,_start,_end}): Add external declarations.
975 (exec_bfd): Ditto.
976 (decode_pc): Ditto.
977
978Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
979
980 * interp.c (sim_size): Now allocates unified memory for imap segments
981 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
982 (sim_write): Just call xfer_mem().
983 (sim_read): Just call xfer_mem().
984 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
985 (dmem_addr): New function. Reads dmap register and translates data
986 addresses to local addresses.
987 (pc_addr): New function. Reads imap register and computes local address
988 corresponding to contents of the PC.
989 (sim_resume): Change to use pc_addr().
990 (sim_create_inferior): Change reinitialization code. Also reinitializes
991 imap[01] and dmap.
992 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
993 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
994
995 * simops.c (MEMPTR): Redefine to use dmem_addr().
996 (OP_5F00): Replace references to STate.imem with dmem_addr().
997
998 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
999 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1000 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1001
1002Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1003
1004 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1005 better statistics, like not counting NOPS as parallel
1006 instructions, and printing total cycles.
1007 (ins_type_counters): Make unsigned long.
1008 (left_nops,right_nops): Fold into ins_type_counters.
1009
1010 * simops.c (trace_input_func): Print new instruction types.
1011 Handle OP_R2R3 as input types.
1012 (OP_{38000000,7000}): Correctly sign extend bytes.
1013 (OP_5E00): Don't count NOPs as parallel instructions.
1014 (OP_460B): Remove unused variable.
1015 (OP_5F00): Ditto.
1016
1017 * interp.c (ins_type_counters): Make unsigned long.
1018 (left_nops,right_nops): Delete.
1019 (most functions): Add prototypes.
1020 (INLINE): If GCC and optimize define as __inline__.
1021 ({,lookup_}hash,get_operands): Declare as INLINE.
1022 (do_parallel): Count conditional operations.
1023 (add_commas): New function, to add commas every 3 digits.
1024 (sim_size): Call add_commas to print numbers.
1025 (sim_{open,resume}): Delete unused variables.
1026 (sim_info): Provide better statistics.
1027 (sim_read): Add int return type.
1028
1029Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1030
1031 * interp.c (sim_resume): Change the way single-stepping and exceptions
1032 are handled so single-stepping works again.
1033
1034Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1035
1036 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1037 endian hosts.
1038
1039 * configure.in (--enable-sim-bswap): New switch to enable using
1040 the BSWAP instruction on x86's.
1041 * configure: Regenerate.
1042
1043 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1044 support.
1045
1046Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1047
1048 * endian.c: New file. Move endian functions here from interp.c.
1049 Optimize code, and make it work as either inline functions or as a
1050 separate file.
1051
1052 * interp.c: Move endian functions from here to endian.c.
1053
1054 * Makefile.in (INCLUDE): Add endian.c.
1055 (run,libsim.a): Add dependency on endian.o.
1056 (endian.o): Add dependency.
1057
1058 * d10v_sim.h (read/write support): Always go through the machine
1059 independent endian functions. If compiling with GCC and
1060 optimizing, include endian.c so the endian functions are inlined.
1061
1062 * simops.c (OP_5F00): Correct tracing of accumulators.
1063
1064Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1065
1066 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1067
1068 * interp.c (do_{2_short,parallel}): If an exception is raised,
1069 don't execute the second instruction.
1070
1071Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1072
1073 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1074 temporary in case the register is overriden when loading.
1075 (OP_6200): Output type is OP_DREG for tracing.
1076
1077Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1078
1079 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1080
1081 * interp.c (sim_size): Initialize mem_{min,max} fields.
1082 (sim_write): Update mem_{min,max} fields.
1083 (sim_resume): If PC is not in the minimum/maximum memory range,
1084 abort.
1085 (sim_create_inferior): Preserve mem_{min,max} fields.
1086
1087Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1088
1089 * simops.c (OP_5F00): Add support for time() system call.
1090
1091Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1092
1093 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1094 stored if tracing.
1095 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1096 system calls.
1097
1098Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1099
1100 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1101 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1102 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1103 to call/subroutine returns to trace the first two arguments and
1104 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1105
1106Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1107
1108 * interp.c (sim_create_inferior): Reinitialize State every time
1109 sim_create_inferior() is called.
1110
1111Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1112
1113 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1114 on comparisons.
1115 (OP_401): Fix tracing information.
1116
1117Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1118
1119 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1120 (trace_input_func): Use them.
1121 (trace_input_func): Make sure there is a trailing space after the
1122 instruction.
1123 (OP_6200): Fix tracing info.
1124
1125 * Makefile.in (run): Add dependencies on libbfd.a and
1126 libiberity.a.
1127
1128Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1129
1130 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1131 numbers and function names in debug trace.
1132 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1133 DEBUG_LINE_NUMBER.
1134 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1135 and exit system call trap being executed.
1136
1137 * interp.c (sim_stop_reason): Set exit code correctly for stop
1138 instruction and exit system call trap.
1139
1140 * configure.in (--enable-sim-cflags): Remove trace case.
1141 (--enable-sim-debug): New switch to set the debug values.
1142 * configure: Regenerate.
1143
1144 * simops.c (trace_{input,output}_func): Rename from
1145 trace_{input,output}.
1146 (trace_{input,output}): Call trace_{input,output}_func if
1147 d10v_debug is non-zero.
1148 (SIZE_INSTRUCTION): Cut down to 8.
1149 (SIZE_OPERANDS): Cut down to 18.
1150 (SIZE_LOCATION): New value for size of line number, function name
1151 field.
1152 (init_text_p,text{,_start,_end}): New static variables for
1153 printing line number and function name.
1154 (exec_bfd): New external that run.c sets.
1155 (trace_input_func): Print line number and function name if
1156 available and if desired.
1157 (OP_4E09): Don't print out DBT message.
1158 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1159 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1160
1161Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1162
1163 * interp.c (do_2_short): If the instruction encodes jump->ins,
1164 don't do the second instruction if the jump succeeds.
1165
1166Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1167
1168 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1169 accumulators, PC, and F0/F1/C flags.
1170
1171Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1172
1173 * simops.c (OP_5F00): Fix problems with system calls.
1174
1175Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1176
1177 * simops.c (OP_5F00): Correct tracing information for trap.
1178
1179Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1180
1181 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1182
1183Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1184
1185 * simops.c (trace_output): Properly align accumulator output.
1186 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1187 if shift count is too high.
1188 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1189 (OP_4E09): Make cpfg properly trace the input flags.
1190 (op_types): Add OP_FLAG_OUTPUT.
1191 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1192 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1193 an 8-bit memory reference instruction for tracing purposes.
1194 (OP_201): Addi needs to set the carry.
1195
1196Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1197
1198 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1199 to use signed register values.
1200
1201Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1202
1203 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1204 output.
1205 (_ins_type): New enumeration to specify which container an
1206 instruction is in, and whether it is part of a parallel operation.
1207 (_state): Add ins_type field.
1208 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1209 (ins_type_counters): Counters for the various instruction types.
1210 ({left,right}_nops): Counters for the number of nops in each
1211 container.
1212 (d10v_debug): New variable to indicate whether debugging is turned
1213 on.
1214
1215 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1216 the input and output values can be traced, along with the
1217 instruction type. Make the -t option enable tracing.
1218 (all functions): Change printf calls to use the printf_filtered
1219 function in the callback table.
1220
1221 * interp.c (_leftright): New enumeration to say whether 2 short
1222 instructions are done left first or right first.
1223 (do_{long,2_short,parallel}): Indicate in the machine state which
1224 type of instruction this is. Count each of the types of
1225 instructions executed.
1226 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1227 flag is set.
1228 (sim_resume): Pass left/right indication to do_2_short.
1229 (all functions): Change printf calls to use the printf_filtered
1230 function in the callback table.
1231 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1232 sim_resume.
1233 (sim_info): Print out statistics on instructions.
1234 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1235 debugging.
1236 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1237 Only initialize the hash table the first time sim_open is called.
1238
1239 * Makefile.in: Make objects depend on d10v_sim.h.
1240 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1241 CFLAGS does not override host/target defines or SIM_CFLAGS.
1242 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1243 (run): By default, the math library is not needed to be linked
1244 in.
1245 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1246 overridden.
1247 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1248 makes.
1249 ({run,callback}.o): Provide explicit paths to their appropriate
1250 source directories.
1251 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1252 and linking. Instead of linking in libopcodes.a, just compile
1253 d10v-opc.o directly to handle canadian cross.
1254 (CSEARCH): Add opcodes directory.
1255
1256 * configure.in (--enable-sim-cflags): New switch to allow user to
1257 set the defaults.
1258 (CC_FOR_BUILD): Deal with canadian crosses.
1259 * configure: Regenerate.
1260
1261Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1262
1263 * simops.c: Include correct syscall.h for d10v, not host's.
1264 Fix #ifdef SYS_stat.
1265
1266Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1267
1268 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1269 Add trap 2 to be printf and trap 3 to be putchar.
1270
1271Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1272
1273 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1274 for low-level system calls.
1275
1276Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1277
1278 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1279
1280Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1281
1282 * d10v_sim.h (SEXT32): Added.
1283 * interp.c: Commented out printfs.
1284 * simops.c: Fixed error in sb and st2w.
1285
1286Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1287
1288 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1289 DSP instructions. Added modulo addressing.
1290
1291Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1292
1293 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1294
1295Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1296
1297 * d10v_sim.h, simops.c: Snapshot.
1298
1299Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1300
1301 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1302 gencode.c, interp.c, simops.c: Created.
1303
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