1 2015-03-16 Mike Frysinger <vapier@gentoo.org>
3 * config.in, configure: Regenerate.
5 2015-03-14 Mike Frysinger <vapier@gentoo.org>
7 * Makefile.in (SIM_EXTRA_CFLAGS): Add
8 -DSIM_USE_DEPRECATED_RUN_FRONTEND.
9 (SIM_RUN_OBJS): Set to run.o.
11 2015-03-14 Mike Frysinger <vapier@gentoo.org>
13 * configure.ac (AC_CHECK_HEADERS): Delete.
14 * aclocal.m4, configure: Regenerate.
16 2014-08-19 Alan Modra <amodra@gmail.com>
18 * configure: Regenerate.
20 2014-08-15 Roland McGrath <mcgrathr@google.com>
22 * configure: Regenerate.
23 * config.in: Regenerate.
25 2014-03-10 Mike Frysinger <vapier@gentoo.org>
27 * interp.c (sim_do_command): Add const to cmd.
29 2014-03-05 Mike Frysinger <vapier@gentoo.org>
31 * interp.c (sim_load): Add const to prog.
33 2014-03-04 Mike Frysinger <vapier@gentoo.org>
35 * configure: Regenerate.
37 2013-09-23 Alan Modra <amodra@gmail.com>
39 * configure: Regenerate.
41 2013-06-03 Mike Frysinger <vapier@gentoo.org>
43 * aclocal.m4, configure: Regenerate.
45 2013-05-10 Freddie Chopin <freddie_chopin@op.pl>
49 2012-06-19 Joel Brobecker <brobecker@adacore.com>
51 * interp.c: #include "config.h" instead of "sysdep.h".
52 Add conditional include of string.h or strings.h, as well as
53 conditional include of stdlib.h.
55 2012-06-15 Joel Brobecker <brobecker@adacore.com>
57 * config.in, configure: Regenerate.
59 2012-05-24 Pedro Alves <palves@redhat.com>
63 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
65 2012-03-24 Mike Frysinger <vapier@gentoo.org>
67 * aclocal.m4, config.in, configure: Regenerate.
69 2011-12-03 Mike Frysinger <vapier@gentoo.org>
71 * aclocal.m4: New file.
72 * configure: Regenerate.
74 2011-10-17 Mike Frysinger <vapier@gentoo.org>
76 * configure.ac: Change include to common/acinclude.m4.
78 2011-10-17 Mike Frysinger <vapier@gentoo.org>
80 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
81 call. Replace common.m4 include with SIM_AC_COMMON.
82 * configure: Regenerate.
84 2010-04-14 Mike Frysinger <vapier@gentoo.org>
86 * interp.c (sim_write): Add const to buffer arg.
88 2010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
90 * configure: Regenerate.
92 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
94 * config.in: Regenerate.
95 * configure: Likewise.
97 * configure: Regenerate.
99 2008-07-11 Hans-Peter Nilsson <hp@axis.com>
101 * configure: Regenerate to track ../common/common.m4 changes.
104 2008-06-06 Vladimir Prus <vladimir@codesourcery.com>
105 Daniel Jacobowitz <dan@codesourcery.com>
106 Joseph Myers <joseph@codesourcery.com>
108 * configure: Regenerate.
110 2006-12-21 Hans-Peter Nilsson <hp@axis.com>
112 * acconfig.h: Remove.
113 * config.in: Regenerate.
115 2006-06-13 Richard Earnshaw <rearnsha@arm.com>
117 * configure: Regenerated.
119 2006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
121 * configure: Regenerated.
123 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
125 * configure: Regenerated.
127 2006-04-18 Nick Clifton <nickc@redhat.com>
129 * interp.c (sim_stop_reason): Fix typo.
131 2005-11-28 Mark Mitchell <mark@codesourcery.com>
133 * interp.c (gdb/signals.h): Include it.
134 (sim_stop_reason): Use TARGET_SIGNAL_*.
136 2005-03-23 Mark Kettenis <kettenis@gnu.org>
138 * configure: Regenerate.
140 2005-01-14 Andrew Cagney <cagney@gnu.org>
142 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
143 explicit call to AC_CONFIG_HEADER.
144 * configure: Regenerate.
146 2005-01-12 Andrew Cagney <cagney@gnu.org>
148 * configure.ac: Update to use ../common/common.m4.
149 * configure: Re-generate.
151 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
153 * configure: Regenerated to track ../common/aclocal.m4 changes.
155 2005-01-07 Andrew Cagney <cagney@gnu.org>
157 * configure.ac: Rename configure.in, require autoconf 2.59.
158 * configure: Re-generate.
160 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
162 * configure: Regenerate for ../common/aclocal.m4 update.
164 2004-06-28 Andrew Cagney <cagney@gnu.org>
166 * interp.c (sim_resume): Rename ui_loop_hook to
167 deprecated_ui_loop_hook.
169 2003-10-30 Andrew Cagney <cagney@redhat.com>
171 * simops.c: Replace "struct symbol_cache_entry" with "struct
174 2003-06-22 Andrew Cagney <cagney@redhat.com>
176 * interp.c (xfer_mem): Simplify. Only do a single partial
177 transfer. Problem reported by Tom Rix.
179 2003-05-07 Andrew Cagney <cagney@redhat.com>
181 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
182 (sim_d10v_translate_imap_addr): Ditto.
183 (sim_d10v_translate_dmap_addr): Ditto.
184 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
185 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
186 (dmap_register, imap_register): Add "regcache" parameter.
187 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
188 (sim_fetch_register): Pass NULL regcache to imap_register and
191 2003-02-27 Andrew Cagney <cagney@redhat.com>
193 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
195 2002-11-13 Andrew Cagney <cagney@redhat.com>
197 * simops.c: Include <string.h>.
199 2002-06-17 Andrew Cagney <cagney@redhat.com>
201 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
203 2002-06-16 Andrew Cagney <ac131313@redhat.com>
205 * configure: Regenerated to track ../common/aclocal.m4 changes.
207 2002-06-13 Tom Rix <trix@redhat.com>
209 * interp.c (xfer_mem): Fix transfers across multiple segments.
211 2002-06-09 Andrew Cagney <cagney@redhat.com>
213 * Makefile.in (INCLUDE): Update path to callback.h.
214 * gencode.c: Do not include "callback.h".
215 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
218 2002-06-08 Andrew Cagney <cagney@redhat.com>
220 * interp.c (sim_fetch_register): Fix name of enum used in cast.
221 (sim_store_register): Ditto.
223 2002-06-02 Elena Zannoni <ezannoni@redhat.com>
225 From Jason Eckhardt <jle@redhat.com>
226 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
227 less than MOD_S (post-decrement).
229 2002-06-01 Andrew Cagney <ac131313@redhat.com>
231 * interp.c (sim_fetch_register, sim_store_register): Use a switch
232 statement and enums from "sim-d10v.h".
234 2002-05-28 Elena Zannoni <ezannoni@redhat.com>
236 * interp.c (sim_create_inferior): Add comment.
238 From Alan Matsuoka <alanm@redhat.com>:
239 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
240 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
241 (OP_4401): Output "mvf0t" instead of "mf0t".
242 (OP_460B): Do not output a flag register.
243 (OP_4609): Do not output a flag register.
245 2002-05-23 Andrew Cagney <ac131313@redhat.com>
247 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
248 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
250 2001-08-01 John R. Moore <jmoore@redhat.com>
252 * interp.c (sim_create_inferior): Removed a hack that stated
253 it was setting r0/r1 with argc/argv.
255 2001-04-15 J.T. Conklin <jtc@redback.com>
257 * Makefile.in (simops.o): Add simops.h to dependency list.
259 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
261 * configure: Regenerated to track ../common/aclocal.m4 changes.
263 Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
265 * interp.c (sim_resume): Deliver SIGILL.
266 (lookup_hash): Do not print SIGILL message.
268 Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
270 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
271 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
273 Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
275 * d10v_sim.h (SIG_D10V_BUS): Define.
277 * simops.c (address_exception): Delete function.
278 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
279 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
280 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
281 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
282 address_exception with code that sets SIG_D10V_BUS.
284 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
285 error to the simulator before resuming execution.
286 (sim_trace): Check stop reason and use that to determine sim_trace
288 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
291 Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
293 * interp.c (sim_create_inferior): Change internal initial value for
296 Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
298 * interp.c (lookup_hash): Stop the update of the PC when there was
299 an illegal instruction exception.
301 Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
303 * simops.c (address_exception): New function.
304 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
305 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
306 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
307 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
308 and "st2w" check that the address is aligned.
310 1999-12-30 Chandra Chavva <cchavva@cygnus.com>
312 * d10v_sim.h (INC_ADDR): Added code to assign
313 proper address for loads with predec operations.
315 1999-11-25 Nick Clifton <nickc@cygnus.com>
317 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
320 Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
322 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
325 Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
327 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
328 (PSW_HW_MASK): Declare.
330 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
331 (SET_CREG, SET_PSW_BIT): Update.
332 (SET_HW_CREG, SET_HW_PSW): Define.
334 Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
336 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
339 Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
341 * interp.c (sim_d10v_translate_addr): New function.
342 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
343 (map_memory): Make INLINE.
345 Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
347 * interp.c (sim_d10v_translate_dmap_addr): New function.
348 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
349 offset parameter to type uint16.
350 * d10v_sim.h (dmem_addr): Update declaration.
352 Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
354 * interp.c (imap_register, set_imap_register, dmap_register,
355 set_imap_register): Use map_memory.
357 (sim_create_inferior): Initialize all DMAP registers. NOTE that
358 DMAP2, in internal memory mode, is set to 0x0000 and NOT
359 0x2000. This is consistent with the older d10v boards.
361 Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
363 * interp.c (sim_d10v_translate_imap_addr): New function.
364 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
365 (last_from, last_to): Declare.
367 Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
369 * d10v_sim.h (struct d10v_memory): Define. Support very long
371 (struct _state): Replace imem, dmem and umem by mem.
372 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
373 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
375 * interp.c (map_memory): New function.
376 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
377 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
378 (IMEM_SIZEDMEM_SIZE): Delete.
380 Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
382 * interp.c: Include "sim-d10v.h".
383 (imap_register, set_imap_register, dmap_register,
384 set_dmap_register, spi_register, spu_register, set_spi_register,
385 set_spu_register): New functions.
386 (sim_create_inferior): Update.
387 (sim_fetch_register, sim_store_register): Rewrite. Use enums
388 defined in sim-d10v.h.
390 * d10v_sim.h (DEBUG_MEMORY): Define.
391 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
393 Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
395 * interp.c (sim_open): Allow a debug value to be passed to the -t
397 (lookup_hash): Don't exit on an illegal instruction.
398 (do_long, do_2_short, do_parallel): Check for failed instruction
401 Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
403 * simops.c (OP_3220): Fix trace output for illegal accumulator
406 1999-09-14 Nick Clifton <nickc@cygnus.com>
408 * simops.c: Disable setting of DM bit in PSW.
410 Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
412 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
413 (trace_input_func): Added support for OP_MEMREF3.
414 (OP_32010000): New instruction ld.
415 (OP_33010000): New instruction ld2w.
416 (OP_5209): New instruction sac.
417 (OP_4209): New instruction sachi.
418 (OP_3220): New instruction slae.
419 (OP_36010000): New instruction st.
420 (OP_37010000): New instruction st2w.
422 1999-09-09 Stan Shebs <shebs@andros.cygnus.com>
424 * interp.c (old_segment_mapping): New global.
425 (xfer_mem): Change the default segment mapping to be the way
426 that Mitsubishi prefers, but use the previous mapping if
427 old_segment_mapping is true.
428 (sim_open): Add an option -oldseg to get the old mapping.
429 (sim_create_inferior): Init mapping registers based on the
430 value of old_segment_mapping.
432 1999-09-07 Nick Clifton <nickc@cygnus.com>
434 * simops.c (OP_6601): Do not write back decremented address if
435 either of the destination registers was the same as the address
437 (OP_6201): Do not write back incremented address if either of the
438 destination registers was the same as the address register.
440 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
442 * configure: Regenerated to track ../common/aclocal.m4 changes.
444 1999-05-08 Felix Lee <flee@cygnus.com>
446 * configure: Regenerated to track ../common/aclocal.m4 changes.
448 1999-04-02 Keith Seitz <keiths@cygnus.com>
450 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
452 (sim_resume): If the counter has expired, call the ui_loop_hook,
454 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
456 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
458 Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
460 * simops.c: If load instruction with auto increment/decrement
461 addressing is used when the destination register is the same as
462 the address register, then ignore the auto increment/decrement.
464 Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
466 * simops.c (OP_5F00): Ifdef SYS_stat case because
467 not all systems have it defined.
469 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
471 * simops.c (OP_5607): Correct saturation comparison/assignment.
472 (OP_1201, OP_1203, OP_17001200, OP_17001202,
473 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
474 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
476 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
478 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
484 1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
486 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
489 Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
491 * simops.c (sys/syscall.h): Include targ-vals.h instead.
492 (SYS_*): Replace with TARGET_SYS_*.
494 * Makefile.in: Add dependency on targ-vals.h.
495 (NL_TARGET): Define as NL_TARGET_d10v.
497 Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
499 * interp.c (xfer_mem): Missing break, instruction memory case
500 flowed into unified memory case.
502 Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
504 * simops.c: If load instruction with auto increment/decrement
505 addressing is used when the destination register is the same as
506 the address register, then ignore the auto increment/decrement.
508 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
510 * configure: Regenerated to track ../common/aclocal.m4 changes.
512 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
514 * configure: Regenerated to track ../common/aclocal.m4 changes.
517 Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
519 * acconfig.h: New file.
520 * configure.in: Reverted change of Apr 24; use sinclude again.
522 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
524 * configure: Regenerated to track ../common/aclocal.m4 changes.
527 Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
529 * configure.in: Don't call sinclude.
531 Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
533 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
535 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
537 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
539 * configure: Regenerated to track ../common/aclocal.m4 changes.
541 Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
543 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
545 (OP_OP_1000000, add3): Trace inputs before performing add.
546 (OP_5F00, <*>): Trace input registers before making system call.
547 (OP_5F00, <kill>): Trace R0, R1 not REGn.
548 (OP_5F00, <getpid>): Always return 47.
550 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
551 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
553 (struct _state): Add struct slot slot to global state variable.
554 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
555 F0, F1, C from global State variable.
556 (struct _state): Add struct trace to global State variable.
557 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
558 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
559 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
560 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
561 (JMP): Re-implement. Use SET_* to update registers.
563 * interp.c: Use new SET_* et.al. macros to fetch / store
565 (get_operands): Squirrel away trace values at start of each
567 (do_2_short): Flush pending writes before issuing second
569 (sim_resume): Flush pending writes at end of instruction cycle.
570 (sim_fetch_register, sim_store_register, sim_create_inferior):
571 After scheduling updates to registers using SET_*, flush updates.
572 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
573 that each sets pc using SET_* and last SET_* eventually winds out.
575 * simops.c: Use new SET_* et.al. macros to fetch / store
577 (move_to_cr): Add MASK argument for selective update of CREG bits.
578 Re-implement using new SET_* macros.
579 (trace_output_func, trace_output): Delete. Replace with.
580 (do_trace_output_flush, trace_output_finish, trace_output_40,
581 trace_output_32, trace_output_16, trace_output_void,
582 trace_output_flag): New functions. Handle specific trace cases.
583 (OP_*): Re-write tracing to use new trace_output_* functions.
584 (OP_*): Re-write to use new SET_* et.al. macros.
585 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
586 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
588 Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
590 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
591 configure: Re-generate.
593 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
595 * configure: Regenerated to track ../common/aclocal.m4 changes.
597 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
599 * configure: Regenerated to track ../common/aclocal.m4 changes.
601 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
603 * configure: Regenerated to track ../common/aclocal.m4 changes.
605 Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
607 * interp.c (sim_store_register, sim_fetch_register): Pass in
608 length parameter. Return -1.
610 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
612 * (dmem_addr): If address is illegal or in I/O space, signal a bus
613 error. Allocate unified memory on demand. Fix DMEM address
616 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
618 * simops.c (OP_5F20): Implement "dbt".
619 (OP_5F60): Implement "rtd".
621 * d10v_sim.h (DPC_CR): Define enum.
622 (DBT_VECTOR_START): Define
625 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
627 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
630 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
633 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
635 * simops.c (OP_5F00): Call error instead of abort for unknown
638 * d10v_sim.h (enum): Define DPSW_CR.
640 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
642 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
644 * interp.c (sim_write_phys): Delete.
645 (sim_load): Call sim_load_file with sim_write and LMA.
647 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
649 * interp.c: Rewrite xfer_mem so that it translates addresses as -
650 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
651 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
654 (imem_addr): New function - translate IMEM address.
655 (sim_resume): Use imem_addr to translate insn address, abort if
657 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
658 argc/argv using r0/r1 not r2/r3.
659 (sim_size): Do not initialize IMAP/DMAP here.
660 (sim_open): Call sim_create_inferior and sim_size to initialize
662 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
664 (init_system): Delete.
665 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
667 (decode_pc): Check prog_bfd is defined before looking up .text
670 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
672 * configure: Regenerated to track ../common/aclocal.m4 changes.
674 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
676 * configure: Regenerated to track ../common/aclocal.m4 changes.
678 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
680 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
682 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
684 * d10v_sim.h (DEBUG_TRAP): New debug flag.
686 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
687 printing the registers.
689 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
691 * simops.c (op_types): New ABI, args are r0..r3, system call # is
693 (trace_{in,out}put_func): Ditto.
695 (OP_24800000): Ditto.
699 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
701 * interp.c (UMEM_SEGMENTS): New define, set to 128.
702 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
703 (sim_close): Reset prog_bfd to NULL after closing it. Also
704 reset prog_bfd_was_opened_p after closing prog_bfd.
705 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
706 (sim_create_inferior): Get start address from abfd not prog_bfd.
707 (xfer_mem): Do bounds checking on addresses and return zero length
708 read/write on bad addresses, rather than aborting. Prepare to
709 be able to handle xfers that cross segment boundaries, but not
710 yet implemented. Only emit debug message when d10v_debug is
711 set as well as DEBUG being defined.
713 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
715 * configure: Regenerated to track ../common/aclocal.m4 changes.
717 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
719 * configure: Regenerated to track ../common/aclocal.m4 changes.
722 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
724 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
725 (BPSW): Ditto for BPSW_CR and not PSW_CR.
727 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
729 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
731 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
732 reserved trap from 0 to 15. Add trap emulation code for 0-14.
734 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
737 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
738 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
740 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
742 (OP_5F00): For "trap", update BPSW with move_to_cr.
744 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
746 * d10v_sim.h (enum): Enumerate CR register names.
747 (enum): Enumerate PSW bit values.
748 (PSW): Obtain value uing move_from_cr.
749 (MOD_S, MOD_E, BPSW): Make r-values.
750 (move_from_cr, move_to_cr): Declare functions.
752 * interp.c (sim_fetch_register, sim_store_register): Use
753 move_from_cr and move_to_cr for CR register transfers.
755 * simops.c (move_from_cr, move_to_cr): New functions.
756 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
757 (OP_5600): For "mvtc", use function move_to_cr.
758 (OP_5200): For "mvfc", use function move_from_cr.
760 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
762 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
765 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
767 * configure: Regenerated to track ../common/aclocal.m4 changes.
769 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
771 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
773 * simops.c (OP_5600): For "mvtc", save PSW.DM.
774 (OP_5200): Ditto for "mvfc".
776 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
778 * d10v_sim.h (SEXT56): Define.
780 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
783 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
786 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
788 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
789 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
790 don't match enum values.
792 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
794 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
795 bit rather than 16 bit precision.
796 (OP_3C00): For "mulxu", store unsigned product in ACC.
797 (OP_3800): For "msbu", subtract unsigned product from ACC,
798 (OP_0): For "sub", compute carry by comparing inputs.
800 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
802 * simops.c (OP_1000): For "sub2w", compute carry by comparing
805 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
807 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
808 carry indicated by value > 0xffff.
810 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
812 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
814 (sim_resume): Fix race condition of a direct assignment to
815 stop_simulator, conditionally call sim_stop.
816 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
817 stop_simulator ready for next sim_resume call.
818 (sim_ctrl_c): Delete function.
820 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
822 * interp.c (sim_resume): For "REP", only check/update the PC when
823 a branch instruction has not been executed.
825 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
827 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
828 extend bit 44 all constants.
829 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
831 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
833 * d10v_sim.h: Include sim-types.h.
834 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
835 using unsigned8 et.al. from sim-types.h.
836 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
839 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
841 * interp.c (sim_write_phys): New function, write to physical
842 instead of virtual memory.
844 * interp.c (sim_load): Pass lma_p and sim_write_phys to
847 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
849 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
850 exception generation code to OP_6E01.
851 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
854 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
856 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
859 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
861 * configure: Regenerated to track ../common/aclocal.m4 changes.
863 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
865 * interp.c (pc_addr): Discard upper bit(s) of PC in case
866 IMAP1 selects unified memory.
867 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
870 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
872 * configure: Regenerated to track ../common/aclocal.m4 changes.
874 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
876 * configure: Regenerated to track ../common/aclocal.m4 changes.
878 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
880 * configure: Regenerated to track ../common/aclocal.m4 changes.
882 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
884 * configure: Regenerated to track ../common/aclocal.m4 changes.
886 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
888 * configure: Regenerated to track ../common/aclocal.m4 changes.
890 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
892 * interp.c (sim_resume): Increment PC at end of rep
895 * simops.c (OP_4201): Fix rachi instruction.
897 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
899 * configure: Regenerated to track ../common/aclocal.m4 changes.
901 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
903 * configure: Regenerated to track ../common/aclocal.m4 changes.
906 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
908 * interp.c (sim_kill): Delete.
909 (sim_create_inferior): Add ABFD argument.
910 (sim_load): Move setting of PC from here.
911 (sim_create_inferior): To here.
912 (start_address): Delete variable.
914 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
916 * configure: Regenerated to track ../common/aclocal.m4 changes.
919 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
921 * interp.c (sim_open): Add ABFD argument.
923 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
925 * interp.c (sim_open): Add callback argument.
926 (sim_set_callbacks): Remove SIM_DESC argument.
928 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
930 * configure: Regenerated to track ../common/aclocal.m4 changes.
932 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
934 * interp.c (sim_open): Undo patch to add -E support.
936 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
938 * interp.c (sim_stop): New function.
940 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
942 * Makefile.in (SIM_OBJS): Add sim-load.o.
943 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
944 * interp.c: #include bfd.h.
945 (myname, sim_kind, start_address): New static locals.
946 (prog_bfd_was_opened_p, prog_bfd): New static locals.
947 (decode_pc): Update to use prog_bfd.
948 (sim_open): Set sim_kind, myname. Ignore -E arg.
949 (sim_close): Close prog_bfd if simulator opened it.
950 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
951 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
952 Call sim_load_file to load file into simulator.
953 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
955 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
957 * simops.c (OP_5F00): Only provide system calls SYS_execv,
958 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
960 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
962 * configure: Regenerated to track ../common/aclocal.m4 changes.
965 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
967 * interp.c (sim_open): New arg `kind'.
969 * configure: Regenerated to track ../common/aclocal.m4 changes.
971 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
973 * configure: Regenerated to track ../common/aclocal.m4 changes.
975 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
977 * configure: Re-generate.
979 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
981 * configure: Regenerate to track ../common/aclocal.m4 changes.
983 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
984 as trap 0, which will be deprecated. Only set errno, if an error
985 in fact was returned.
987 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
989 * interp.c: Delete redundant prototypes of sim_foo fns.
990 (sim_open): New SIM_DESC result. Argument is now in argv form.
991 (other sim_*): New SIM_DESC argument.
993 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
995 * simops.c (trace_{input,output}_func): Call flush_stdout from the
998 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
999 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
1000 setting the carry bit after an add or a subtract.
1002 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
1004 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
1005 40 bits of accumulators. Sign/zero extend as appropriate.
1007 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
1009 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1010 COMMON_{PRE,POST}_CONFIG_FRAG instead.
1011 * configure.in: sinclude ../common/aclocal.m4.
1012 * configure: Regenerated.
1014 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
1016 * configure configure.in Makefile.in: Update to new configure
1017 scheme which is more compatible with WinGDB builds.
1018 * configure.in: Improve comment on how to run autoconf.
1019 * configure: Re-run autoconf to get new ../common/aclocal.m4.
1020 * Makefile.in: Use autoconf substitution to install common
1023 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
1025 * gencode.c: patch to not #include "d10v_sim.h" which
1026 unecessarily includes bfd.h and causes wingdb configure
1029 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1031 * interp.c (xfer_mem): Change unified memory to 0x0.
1033 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1035 * simops.c (OP_3E01): Fix tracing information.
1036 (OP_300{0,1}): Do not propigate sign.
1038 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
1040 * config.in (WORDS_BIGENDIAN): Add.
1041 * configure: Regenerated.
1042 * d10v_sim.h: #include "config.h"
1044 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1046 * gencode.c (write_opcodes): Eliminate warnings when generated
1047 table.c is compiled.
1049 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1051 * interp.c (sim_open): Cast result of calloc, and make sure NULL
1053 (dmem_addr): If address is illegal or in I/O space, signal a bus
1055 (pc_addr): Signal bus error, not illegal instruction for bogus
1058 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
1060 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1061 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1062 * configure.in: Simplify using macros in ../common/aclocal.m4.
1063 Call AC_CHECK_HEADERS(unistd.h).
1064 * configure: Regenerated.
1065 * config.in: New file.
1066 * interp.c: #include "callback.h".
1067 * simops.c: #include "config.h". #include <unistd.h> if present.
1069 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1071 * d10v-sim.h (simops): Add flag is_long.
1072 (State): Add pc_changed. Instructions which update the PC should
1073 use the JMP macro which sets this.
1074 (JMP): New macro. Sets the PC and the pc_changed flag.
1076 * gencode.c (write_opcodes): Add is_long field.
1078 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1079 to a long opcode we could get a false match. Check the opcode size.
1080 (hash): Add a size field to the hash table.
1081 (sim_open): Initialize size field in hash table.
1082 (sim_resume): Change to logic for setting the PC. Used to increment the
1083 PC if it had not been changed. This didn't allow single-instruction loops.
1084 Now checks the flag State.pc_changed. Also now stops when ^C is received.
1085 (dmem_addr): Fix translation of data segments to unified memory.
1086 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
1088 * simops.c: Changed all branch and jump instructions to use new JMP macro.
1089 (OP_20000000): Corrected trace information to show this is a ldi.l, not
1090 a ldi.s instruction.
1092 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1094 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1095 updating the accumulators was overwriting other parts of the global
1098 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1100 * interp.c (bfd.h) Don't include it here any more.
1101 (text{,_start,_end}): Move here from simops.c and make extern.
1102 (decode_pc): New function to return the PC as an address that the
1104 (dmem_addr): Print decoded PC in error message.
1107 * simops.c (bfd.h) Don't include it here any more.
1108 (text{,_start,_end}): Move to simops.c.
1109 (trace_input_func): Move decoding of PC, and looking up .text
1112 * d10v_sim.h (bfd.h): Include it here.
1113 (text{,_start,_end}): Add external declarations.
1117 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1119 * interp.c (sim_size): Now allocates unified memory for imap segments
1120 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1121 (sim_write): Just call xfer_mem().
1122 (sim_read): Just call xfer_mem().
1123 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1124 (dmem_addr): New function. Reads dmap register and translates data
1125 addresses to local addresses.
1126 (pc_addr): New function. Reads imap register and computes local address
1127 corresponding to contents of the PC.
1128 (sim_resume): Change to use pc_addr().
1129 (sim_create_inferior): Change reinitialization code. Also reinitializes
1131 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1132 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1134 * simops.c (MEMPTR): Redefine to use dmem_addr().
1135 (OP_5F00): Replace references to STate.imem with dmem_addr().
1137 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1138 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1139 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1141 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1143 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1144 better statistics, like not counting NOPS as parallel
1145 instructions, and printing total cycles.
1146 (ins_type_counters): Make unsigned long.
1147 (left_nops,right_nops): Fold into ins_type_counters.
1149 * simops.c (trace_input_func): Print new instruction types.
1150 Handle OP_R2R3 as input types.
1151 (OP_{38000000,7000}): Correctly sign extend bytes.
1152 (OP_5E00): Don't count NOPs as parallel instructions.
1153 (OP_460B): Remove unused variable.
1156 * interp.c (ins_type_counters): Make unsigned long.
1157 (left_nops,right_nops): Delete.
1158 (most functions): Add prototypes.
1159 (INLINE): If GCC and optimize define as __inline__.
1160 ({,lookup_}hash,get_operands): Declare as INLINE.
1161 (do_parallel): Count conditional operations.
1162 (add_commas): New function, to add commas every 3 digits.
1163 (sim_size): Call add_commas to print numbers.
1164 (sim_{open,resume}): Delete unused variables.
1165 (sim_info): Provide better statistics.
1166 (sim_read): Add int return type.
1168 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1170 * interp.c (sim_resume): Change the way single-stepping and exceptions
1171 are handled so single-stepping works again.
1173 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1175 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1178 * configure.in (--enable-sim-bswap): New switch to enable using
1179 the BSWAP instruction on x86's.
1180 * configure: Regenerate.
1182 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1185 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1187 * endian.c: New file. Move endian functions here from interp.c.
1188 Optimize code, and make it work as either inline functions or as a
1191 * interp.c: Move endian functions from here to endian.c.
1193 * Makefile.in (INCLUDE): Add endian.c.
1194 (run,libsim.a): Add dependency on endian.o.
1195 (endian.o): Add dependency.
1197 * d10v_sim.h (read/write support): Always go through the machine
1198 independent endian functions. If compiling with GCC and
1199 optimizing, include endian.c so the endian functions are inlined.
1201 * simops.c (OP_5F00): Correct tracing of accumulators.
1203 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1205 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1207 * interp.c (do_{2_short,parallel}): If an exception is raised,
1208 don't execute the second instruction.
1210 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1212 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1213 temporary in case the register is overriden when loading.
1214 (OP_6200): Output type is OP_DREG for tracing.
1216 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1218 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1220 * interp.c (sim_size): Initialize mem_{min,max} fields.
1221 (sim_write): Update mem_{min,max} fields.
1222 (sim_resume): If PC is not in the minimum/maximum memory range,
1224 (sim_create_inferior): Preserve mem_{min,max} fields.
1226 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1228 * simops.c (OP_5F00): Add support for time() system call.
1230 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1232 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1234 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1237 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1239 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1240 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1241 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1242 to call/subroutine returns to trace the first two arguments and
1243 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1245 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1247 * interp.c (sim_create_inferior): Reinitialize State every time
1248 sim_create_inferior() is called.
1250 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1252 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1254 (OP_401): Fix tracing information.
1256 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1258 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1259 (trace_input_func): Use them.
1260 (trace_input_func): Make sure there is a trailing space after the
1262 (OP_6200): Fix tracing info.
1264 * Makefile.in (run): Add dependencies on libbfd.a and
1267 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1269 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1270 numbers and function names in debug trace.
1271 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1273 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1274 and exit system call trap being executed.
1276 * interp.c (sim_stop_reason): Set exit code correctly for stop
1277 instruction and exit system call trap.
1279 * configure.in (--enable-sim-cflags): Remove trace case.
1280 (--enable-sim-debug): New switch to set the debug values.
1281 * configure: Regenerate.
1283 * simops.c (trace_{input,output}_func): Rename from
1284 trace_{input,output}.
1285 (trace_{input,output}): Call trace_{input,output}_func if
1286 d10v_debug is non-zero.
1287 (SIZE_INSTRUCTION): Cut down to 8.
1288 (SIZE_OPERANDS): Cut down to 18.
1289 (SIZE_LOCATION): New value for size of line number, function name
1291 (init_text_p,text{,_start,_end}): New static variables for
1292 printing line number and function name.
1293 (exec_bfd): New external that run.c sets.
1294 (trace_input_func): Print line number and function name if
1295 available and if desired.
1296 (OP_4E09): Don't print out DBT message.
1297 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1298 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1300 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1302 * interp.c (do_2_short): If the instruction encodes jump->ins,
1303 don't do the second instruction if the jump succeeds.
1305 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1307 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1308 accumulators, PC, and F0/F1/C flags.
1310 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1312 * simops.c (OP_5F00): Fix problems with system calls.
1314 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1316 * simops.c (OP_5F00): Correct tracing information for trap.
1318 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1320 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1322 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1324 * simops.c (trace_output): Properly align accumulator output.
1325 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1326 if shift count is too high.
1327 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1328 (OP_4E09): Make cpfg properly trace the input flags.
1329 (op_types): Add OP_FLAG_OUTPUT.
1330 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1331 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1332 an 8-bit memory reference instruction for tracing purposes.
1333 (OP_201): Addi needs to set the carry.
1335 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1337 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1338 to use signed register values.
1340 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1342 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1344 (_ins_type): New enumeration to specify which container an
1345 instruction is in, and whether it is part of a parallel operation.
1346 (_state): Add ins_type field.
1347 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1348 (ins_type_counters): Counters for the various instruction types.
1349 ({left,right}_nops): Counters for the number of nops in each
1351 (d10v_debug): New variable to indicate whether debugging is turned
1354 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1355 the input and output values can be traced, along with the
1356 instruction type. Make the -t option enable tracing.
1357 (all functions): Change printf calls to use the printf_filtered
1358 function in the callback table.
1360 * interp.c (_leftright): New enumeration to say whether 2 short
1361 instructions are done left first or right first.
1362 (do_{long,2_short,parallel}): Indicate in the machine state which
1363 type of instruction this is. Count each of the types of
1364 instructions executed.
1365 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1367 (sim_resume): Pass left/right indication to do_2_short.
1368 (all functions): Change printf calls to use the printf_filtered
1369 function in the callback table.
1370 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1372 (sim_info): Print out statistics on instructions.
1373 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1375 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1376 Only initialize the hash table the first time sim_open is called.
1378 * Makefile.in: Make objects depend on d10v_sim.h.
1379 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1380 CFLAGS does not override host/target defines or SIM_CFLAGS.
1381 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1382 (run): By default, the math library is not needed to be linked
1384 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1386 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1388 ({run,callback}.o): Provide explicit paths to their appropriate
1390 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1391 and linking. Instead of linking in libopcodes.a, just compile
1392 d10v-opc.o directly to handle canadian cross.
1393 (CSEARCH): Add opcodes directory.
1395 * configure.in (--enable-sim-cflags): New switch to allow user to
1397 (CC_FOR_BUILD): Deal with canadian crosses.
1398 * configure: Regenerate.
1400 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1402 * simops.c: Include correct syscall.h for d10v, not host's.
1403 Fix #ifdef SYS_stat.
1405 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1407 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1408 Add trap 2 to be printf and trap 3 to be putchar.
1410 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1412 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1413 for low-level system calls.
1415 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1417 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1419 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1421 * d10v_sim.h (SEXT32): Added.
1422 * interp.c: Commented out printfs.
1423 * simops.c: Fixed error in sb and st2w.
1425 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1427 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1428 DSP instructions. Added modulo addressing.
1430 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1432 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1434 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1436 * d10v_sim.h, simops.c: Snapshot.
1438 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1440 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1441 gencode.c, interp.c, simops.c: Created.