1 2008-07-11 Hans-Peter Nilsson <hp@axis.com>
3 * configure: Regenerate to track ../common/common.m4 changes.
6 2008-06-06 Vladimir Prus <vladimir@codesourcery.com>
7 Daniel Jacobowitz <dan@codesourcery.com>
8 Joseph Myers <joseph@codesourcery.com>
10 * configure: Regenerate.
12 2006-12-21 Hans-Peter Nilsson <hp@axis.com>
15 * config.in: Regenerate.
17 2006-06-13 Richard Earnshaw <rearnsha@arm.com>
19 * configure: Regenerated.
21 2006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
23 * configure: Regenerated.
25 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
27 * configure: Regenerated.
29 2006-04-18 Nick Clifton <nickc@redhat.com>
31 * interp.c (sim_stop_reason): Fix typo.
33 2005-11-28 Mark Mitchell <mark@codesourcery.com>
35 * interp.c (gdb/signals.h): Include it.
36 (sim_stop_reason): Use TARGET_SIGNAL_*.
38 2005-03-23 Mark Kettenis <kettenis@gnu.org>
40 * configure: Regenerate.
42 2005-01-14 Andrew Cagney <cagney@gnu.org>
44 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
45 explicit call to AC_CONFIG_HEADER.
46 * configure: Regenerate.
48 2005-01-12 Andrew Cagney <cagney@gnu.org>
50 * configure.ac: Update to use ../common/common.m4.
51 * configure: Re-generate.
53 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
55 * configure: Regenerated to track ../common/aclocal.m4 changes.
57 2005-01-07 Andrew Cagney <cagney@gnu.org>
59 * configure.ac: Rename configure.in, require autoconf 2.59.
60 * configure: Re-generate.
62 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
64 * configure: Regenerate for ../common/aclocal.m4 update.
66 2004-06-28 Andrew Cagney <cagney@gnu.org>
68 * interp.c (sim_resume): Rename ui_loop_hook to
69 deprecated_ui_loop_hook.
71 2003-10-30 Andrew Cagney <cagney@redhat.com>
73 * simops.c: Replace "struct symbol_cache_entry" with "struct
76 2003-06-22 Andrew Cagney <cagney@redhat.com>
78 * interp.c (xfer_mem): Simplify. Only do a single partial
79 transfer. Problem reported by Tom Rix.
81 2003-05-07 Andrew Cagney <cagney@redhat.com>
83 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
84 (sim_d10v_translate_imap_addr): Ditto.
85 (sim_d10v_translate_dmap_addr): Ditto.
86 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
87 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
88 (dmap_register, imap_register): Add "regcache" parameter.
89 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
90 (sim_fetch_register): Pass NULL regcache to imap_register and
93 2003-02-27 Andrew Cagney <cagney@redhat.com>
95 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
97 2002-11-13 Andrew Cagney <cagney@redhat.com>
99 * simops.c: Include <string.h>.
101 2002-06-17 Andrew Cagney <cagney@redhat.com>
103 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
105 2002-06-16 Andrew Cagney <ac131313@redhat.com>
107 * configure: Regenerated to track ../common/aclocal.m4 changes.
109 2002-06-13 Tom Rix <trix@redhat.com>
111 * interp.c (xfer_mem): Fix transfers across multiple segments.
113 2002-06-09 Andrew Cagney <cagney@redhat.com>
115 * Makefile.in (INCLUDE): Update path to callback.h.
116 * gencode.c: Do not include "callback.h".
117 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
120 2002-06-08 Andrew Cagney <cagney@redhat.com>
122 * interp.c (sim_fetch_register): Fix name of enum used in cast.
123 (sim_store_register): Ditto.
125 2002-06-02 Elena Zannoni <ezannoni@redhat.com>
127 From Jason Eckhardt <jle@redhat.com>
128 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
129 less than MOD_S (post-decrement).
131 2002-06-01 Andrew Cagney <ac131313@redhat.com>
133 * interp.c (sim_fetch_register, sim_store_register): Use a switch
134 statement and enums from "sim-d10v.h".
136 2002-05-28 Elena Zannoni <ezannoni@redhat.com>
138 * interp.c (sim_create_inferior): Add comment.
140 From Alan Matsuoka <alanm@redhat.com>:
141 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
142 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
143 (OP_4401): Output "mvf0t" instead of "mf0t".
144 (OP_460B): Do not output a flag register.
145 (OP_4609): Do not output a flag register.
147 2002-05-23 Andrew Cagney <ac131313@redhat.com>
149 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
150 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
152 2001-08-01 John R. Moore <jmoore@redhat.com>
154 * interp.c (sim_create_inferior): Removed a hack that stated
155 it was setting r0/r1 with argc/argv.
157 2001-04-15 J.T. Conklin <jtc@redback.com>
159 * Makefile.in (simops.o): Add simops.h to dependency list.
161 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
163 * configure: Regenerated to track ../common/aclocal.m4 changes.
165 Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
167 * interp.c (sim_resume): Deliver SIGILL.
168 (lookup_hash): Do not print SIGILL message.
170 Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
172 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
173 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
175 Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
177 * d10v_sim.h (SIG_D10V_BUS): Define.
179 * simops.c (address_exception): Delete function.
180 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
181 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
182 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
183 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
184 address_exception with code that sets SIG_D10V_BUS.
186 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
187 error to the simulator before resuming execution.
188 (sim_trace): Check stop reason and use that to determine sim_trace
190 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
193 Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
195 * interp.c (sim_create_inferior): Change internal initial value for
198 Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
200 * interp.c (lookup_hash): Stop the update of the PC when there was
201 an illegal instruction exception.
203 Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
205 * simops.c (address_exception): New function.
206 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
207 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
208 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
209 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
210 and "st2w" check that the address is aligned.
212 1999-12-30 Chandra Chavva <cchavva@cygnus.com>
214 * d10v_sim.h (INC_ADDR): Added code to assign
215 proper address for loads with predec operations.
217 1999-11-25 Nick Clifton <nickc@cygnus.com>
219 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
222 Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
224 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
227 Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
229 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
230 (PSW_HW_MASK): Declare.
232 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
233 (SET_CREG, SET_PSW_BIT): Update.
234 (SET_HW_CREG, SET_HW_PSW): Define.
236 Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
238 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
241 Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
243 * interp.c (sim_d10v_translate_addr): New function.
244 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
245 (map_memory): Make INLINE.
247 Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
249 * interp.c (sim_d10v_translate_dmap_addr): New function.
250 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
251 offset parameter to type uint16.
252 * d10v_sim.h (dmem_addr): Update declaration.
254 Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
256 * interp.c (imap_register, set_imap_register, dmap_register,
257 set_imap_register): Use map_memory.
259 (sim_create_inferior): Initialize all DMAP registers. NOTE that
260 DMAP2, in internal memory mode, is set to 0x0000 and NOT
261 0x2000. This is consistent with the older d10v boards.
263 Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
265 * interp.c (sim_d10v_translate_imap_addr): New function.
266 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
267 (last_from, last_to): Declare.
269 Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
271 * d10v_sim.h (struct d10v_memory): Define. Support very long
273 (struct _state): Replace imem, dmem and umem by mem.
274 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
275 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
277 * interp.c (map_memory): New function.
278 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
279 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
280 (IMEM_SIZEDMEM_SIZE): Delete.
282 Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
284 * interp.c: Include "sim-d10v.h".
285 (imap_register, set_imap_register, dmap_register,
286 set_dmap_register, spi_register, spu_register, set_spi_register,
287 set_spu_register): New functions.
288 (sim_create_inferior): Update.
289 (sim_fetch_register, sim_store_register): Rewrite. Use enums
290 defined in sim-d10v.h.
292 * d10v_sim.h (DEBUG_MEMORY): Define.
293 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
295 Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
297 * interp.c (sim_open): Allow a debug value to be passed to the -t
299 (lookup_hash): Don't exit on an illegal instruction.
300 (do_long, do_2_short, do_parallel): Check for failed instruction
303 Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
305 * simops.c (OP_3220): Fix trace output for illegal accumulator
308 1999-09-14 Nick Clifton <nickc@cygnus.com>
310 * simops.c: Disable setting of DM bit in PSW.
312 Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
314 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
315 (trace_input_func): Added support for OP_MEMREF3.
316 (OP_32010000): New instruction ld.
317 (OP_33010000): New instruction ld2w.
318 (OP_5209): New instruction sac.
319 (OP_4209): New instruction sachi.
320 (OP_3220): New instruction slae.
321 (OP_36010000): New instruction st.
322 (OP_37010000): New instruction st2w.
324 1999-09-09 Stan Shebs <shebs@andros.cygnus.com>
326 * interp.c (old_segment_mapping): New global.
327 (xfer_mem): Change the default segment mapping to be the way
328 that Mitsubishi prefers, but use the previous mapping if
329 old_segment_mapping is true.
330 (sim_open): Add an option -oldseg to get the old mapping.
331 (sim_create_inferior): Init mapping registers based on the
332 value of old_segment_mapping.
334 1999-09-07 Nick Clifton <nickc@cygnus.com>
336 * simops.c (OP_6601): Do not write back decremented address if
337 either of the destination registers was the same as the address
339 (OP_6201): Do not write back incremented address if either of the
340 destination registers was the same as the address register.
342 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
344 * configure: Regenerated to track ../common/aclocal.m4 changes.
346 1999-05-08 Felix Lee <flee@cygnus.com>
348 * configure: Regenerated to track ../common/aclocal.m4 changes.
350 1999-04-02 Keith Seitz <keiths@cygnus.com>
352 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
354 (sim_resume): If the counter has expired, call the ui_loop_hook,
356 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
358 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
360 Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
362 * simops.c: If load instruction with auto increment/decrement
363 addressing is used when the destination register is the same as
364 the address register, then ignore the auto increment/decrement.
366 Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
368 * simops.c (OP_5F00): Ifdef SYS_stat case because
369 not all systems have it defined.
371 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
373 * simops.c (OP_5607): Correct saturation comparison/assignment.
374 (OP_1201, OP_1203, OP_17001200, OP_17001202,
375 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
376 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
378 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
380 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
386 1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
388 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
391 Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
393 * simops.c (sys/syscall.h): Include targ-vals.h instead.
394 (SYS_*): Replace with TARGET_SYS_*.
396 * Makefile.in: Add dependency on targ-vals.h.
397 (NL_TARGET): Define as NL_TARGET_d10v.
399 Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
401 * interp.c (xfer_mem): Missing break, instruction memory case
402 flowed into unified memory case.
404 Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
406 * simops.c: If load instruction with auto increment/decrement
407 addressing is used when the destination register is the same as
408 the address register, then ignore the auto increment/decrement.
410 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
412 * configure: Regenerated to track ../common/aclocal.m4 changes.
414 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
416 * configure: Regenerated to track ../common/aclocal.m4 changes.
419 Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
421 * acconfig.h: New file.
422 * configure.in: Reverted change of Apr 24; use sinclude again.
424 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
426 * configure: Regenerated to track ../common/aclocal.m4 changes.
429 Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
431 * configure.in: Don't call sinclude.
433 Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
435 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
437 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
439 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
441 * configure: Regenerated to track ../common/aclocal.m4 changes.
443 Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
445 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
447 (OP_OP_1000000, add3): Trace inputs before performing add.
448 (OP_5F00, <*>): Trace input registers before making system call.
449 (OP_5F00, <kill>): Trace R0, R1 not REGn.
450 (OP_5F00, <getpid>): Always return 47.
452 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
453 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
455 (struct _state): Add struct slot slot to global state variable.
456 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
457 F0, F1, C from global State variable.
458 (struct _state): Add struct trace to global State variable.
459 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
460 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
461 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
462 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
463 (JMP): Re-implement. Use SET_* to update registers.
465 * interp.c: Use new SET_* et.al. macros to fetch / store
467 (get_operands): Squirrel away trace values at start of each
469 (do_2_short): Flush pending writes before issuing second
471 (sim_resume): Flush pending writes at end of instruction cycle.
472 (sim_fetch_register, sim_store_register, sim_create_inferior):
473 After scheduling updates to registers using SET_*, flush updates.
474 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
475 that each sets pc using SET_* and last SET_* eventually winds out.
477 * simops.c: Use new SET_* et.al. macros to fetch / store
479 (move_to_cr): Add MASK argument for selective update of CREG bits.
480 Re-implement using new SET_* macros.
481 (trace_output_func, trace_output): Delete. Replace with.
482 (do_trace_output_flush, trace_output_finish, trace_output_40,
483 trace_output_32, trace_output_16, trace_output_void,
484 trace_output_flag): New functions. Handle specific trace cases.
485 (OP_*): Re-write tracing to use new trace_output_* functions.
486 (OP_*): Re-write to use new SET_* et.al. macros.
487 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
488 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
490 Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
492 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
493 configure: Re-generate.
495 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
497 * configure: Regenerated to track ../common/aclocal.m4 changes.
499 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
501 * configure: Regenerated to track ../common/aclocal.m4 changes.
503 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
505 * configure: Regenerated to track ../common/aclocal.m4 changes.
507 Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
509 * interp.c (sim_store_register, sim_fetch_register): Pass in
510 length parameter. Return -1.
512 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
514 * (dmem_addr): If address is illegal or in I/O space, signal a bus
515 error. Allocate unified memory on demand. Fix DMEM address
518 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
520 * simops.c (OP_5F20): Implement "dbt".
521 (OP_5F60): Implement "rtd".
523 * d10v_sim.h (DPC_CR): Define enum.
524 (DBT_VECTOR_START): Define
527 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
529 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
532 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
535 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
537 * simops.c (OP_5F00): Call error instead of abort for unknown
540 * d10v_sim.h (enum): Define DPSW_CR.
542 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
544 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
546 * interp.c (sim_write_phys): Delete.
547 (sim_load): Call sim_load_file with sim_write and LMA.
549 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
551 * interp.c: Rewrite xfer_mem so that it translates addresses as -
552 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
553 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
556 (imem_addr): New function - translate IMEM address.
557 (sim_resume): Use imem_addr to translate insn address, abort if
559 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
560 argc/argv using r0/r1 not r2/r3.
561 (sim_size): Do not initialize IMAP/DMAP here.
562 (sim_open): Call sim_create_inferior and sim_size to initialize
564 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
566 (init_system): Delete.
567 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
569 (decode_pc): Check prog_bfd is defined before looking up .text
572 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
574 * configure: Regenerated to track ../common/aclocal.m4 changes.
576 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
578 * configure: Regenerated to track ../common/aclocal.m4 changes.
580 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
582 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
584 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
586 * d10v_sim.h (DEBUG_TRAP): New debug flag.
588 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
589 printing the registers.
591 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
593 * simops.c (op_types): New ABI, args are r0..r3, system call # is
595 (trace_{in,out}put_func): Ditto.
597 (OP_24800000): Ditto.
601 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
603 * interp.c (UMEM_SEGMENTS): New define, set to 128.
604 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
605 (sim_close): Reset prog_bfd to NULL after closing it. Also
606 reset prog_bfd_was_opened_p after closing prog_bfd.
607 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
608 (sim_create_inferior): Get start address from abfd not prog_bfd.
609 (xfer_mem): Do bounds checking on addresses and return zero length
610 read/write on bad addresses, rather than aborting. Prepare to
611 be able to handle xfers that cross segment boundaries, but not
612 yet implemented. Only emit debug message when d10v_debug is
613 set as well as DEBUG being defined.
615 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
617 * configure: Regenerated to track ../common/aclocal.m4 changes.
619 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
621 * configure: Regenerated to track ../common/aclocal.m4 changes.
624 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
626 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
627 (BPSW): Ditto for BPSW_CR and not PSW_CR.
629 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
631 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
633 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
634 reserved trap from 0 to 15. Add trap emulation code for 0-14.
636 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
639 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
640 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
642 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
644 (OP_5F00): For "trap", update BPSW with move_to_cr.
646 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
648 * d10v_sim.h (enum): Enumerate CR register names.
649 (enum): Enumerate PSW bit values.
650 (PSW): Obtain value uing move_from_cr.
651 (MOD_S, MOD_E, BPSW): Make r-values.
652 (move_from_cr, move_to_cr): Declare functions.
654 * interp.c (sim_fetch_register, sim_store_register): Use
655 move_from_cr and move_to_cr for CR register transfers.
657 * simops.c (move_from_cr, move_to_cr): New functions.
658 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
659 (OP_5600): For "mvtc", use function move_to_cr.
660 (OP_5200): For "mvfc", use function move_from_cr.
662 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
664 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
667 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
669 * configure: Regenerated to track ../common/aclocal.m4 changes.
671 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
673 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
675 * simops.c (OP_5600): For "mvtc", save PSW.DM.
676 (OP_5200): Ditto for "mvfc".
678 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
680 * d10v_sim.h (SEXT56): Define.
682 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
685 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
688 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
690 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
691 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
692 don't match enum values.
694 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
696 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
697 bit rather than 16 bit precision.
698 (OP_3C00): For "mulxu", store unsigned product in ACC.
699 (OP_3800): For "msbu", subtract unsigned product from ACC,
700 (OP_0): For "sub", compute carry by comparing inputs.
702 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
704 * simops.c (OP_1000): For "sub2w", compute carry by comparing
707 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
709 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
710 carry indicated by value > 0xffff.
712 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
714 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
716 (sim_resume): Fix race condition of a direct assignment to
717 stop_simulator, conditionally call sim_stop.
718 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
719 stop_simulator ready for next sim_resume call.
720 (sim_ctrl_c): Delete function.
722 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
724 * interp.c (sim_resume): For "REP", only check/update the PC when
725 a branch instruction has not been executed.
727 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
729 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
730 extend bit 44 all constants.
731 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
733 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
735 * d10v_sim.h: Include sim-types.h.
736 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
737 using unsigned8 et.al. from sim-types.h.
738 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
741 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
743 * interp.c (sim_write_phys): New function, write to physical
744 instead of virtual memory.
746 * interp.c (sim_load): Pass lma_p and sim_write_phys to
749 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
751 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
752 exception generation code to OP_6E01.
753 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
756 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
758 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
761 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
763 * configure: Regenerated to track ../common/aclocal.m4 changes.
765 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
767 * interp.c (pc_addr): Discard upper bit(s) of PC in case
768 IMAP1 selects unified memory.
769 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
772 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
774 * configure: Regenerated to track ../common/aclocal.m4 changes.
776 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
778 * configure: Regenerated to track ../common/aclocal.m4 changes.
780 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
782 * configure: Regenerated to track ../common/aclocal.m4 changes.
784 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
786 * configure: Regenerated to track ../common/aclocal.m4 changes.
788 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
790 * configure: Regenerated to track ../common/aclocal.m4 changes.
792 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
794 * interp.c (sim_resume): Increment PC at end of rep
797 * simops.c (OP_4201): Fix rachi instruction.
799 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
801 * configure: Regenerated to track ../common/aclocal.m4 changes.
803 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
805 * configure: Regenerated to track ../common/aclocal.m4 changes.
808 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
810 * interp.c (sim_kill): Delete.
811 (sim_create_inferior): Add ABFD argument.
812 (sim_load): Move setting of PC from here.
813 (sim_create_inferior): To here.
814 (start_address): Delete variable.
816 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
818 * configure: Regenerated to track ../common/aclocal.m4 changes.
821 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
823 * interp.c (sim_open): Add ABFD argument.
825 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
827 * interp.c (sim_open): Add callback argument.
828 (sim_set_callbacks): Remove SIM_DESC argument.
830 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
832 * configure: Regenerated to track ../common/aclocal.m4 changes.
834 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
836 * interp.c (sim_open): Undo patch to add -E support.
838 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
840 * interp.c (sim_stop): New function.
842 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
844 * Makefile.in (SIM_OBJS): Add sim-load.o.
845 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
846 * interp.c: #include bfd.h.
847 (myname, sim_kind, start_address): New static locals.
848 (prog_bfd_was_opened_p, prog_bfd): New static locals.
849 (decode_pc): Update to use prog_bfd.
850 (sim_open): Set sim_kind, myname. Ignore -E arg.
851 (sim_close): Close prog_bfd if simulator opened it.
852 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
853 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
854 Call sim_load_file to load file into simulator.
855 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
857 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
859 * simops.c (OP_5F00): Only provide system calls SYS_execv,
860 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
862 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
864 * configure: Regenerated to track ../common/aclocal.m4 changes.
867 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
869 * interp.c (sim_open): New arg `kind'.
871 * configure: Regenerated to track ../common/aclocal.m4 changes.
873 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
875 * configure: Regenerated to track ../common/aclocal.m4 changes.
877 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
879 * configure: Re-generate.
881 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
883 * configure: Regenerate to track ../common/aclocal.m4 changes.
885 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
886 as trap 0, which will be deprecated. Only set errno, if an error
887 in fact was returned.
889 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
891 * interp.c: Delete redundant prototypes of sim_foo fns.
892 (sim_open): New SIM_DESC result. Argument is now in argv form.
893 (other sim_*): New SIM_DESC argument.
895 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
897 * simops.c (trace_{input,output}_func): Call flush_stdout from the
900 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
901 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
902 setting the carry bit after an add or a subtract.
904 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
906 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
907 40 bits of accumulators. Sign/zero extend as appropriate.
909 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
911 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
912 COMMON_{PRE,POST}_CONFIG_FRAG instead.
913 * configure.in: sinclude ../common/aclocal.m4.
914 * configure: Regenerated.
916 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
918 * configure configure.in Makefile.in: Update to new configure
919 scheme which is more compatible with WinGDB builds.
920 * configure.in: Improve comment on how to run autoconf.
921 * configure: Re-run autoconf to get new ../common/aclocal.m4.
922 * Makefile.in: Use autoconf substitution to install common
925 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
927 * gencode.c: patch to not #include "d10v_sim.h" which
928 unecessarily includes bfd.h and causes wingdb configure
931 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
933 * interp.c (xfer_mem): Change unified memory to 0x0.
935 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
937 * simops.c (OP_3E01): Fix tracing information.
938 (OP_300{0,1}): Do not propigate sign.
940 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
942 * config.in (WORDS_BIGENDIAN): Add.
943 * configure: Regenerated.
944 * d10v_sim.h: #include "config.h"
946 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
948 * gencode.c (write_opcodes): Eliminate warnings when generated
951 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
953 * interp.c (sim_open): Cast result of calloc, and make sure NULL
955 (dmem_addr): If address is illegal or in I/O space, signal a bus
957 (pc_addr): Signal bus error, not illegal instruction for bogus
960 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
962 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
963 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
964 * configure.in: Simplify using macros in ../common/aclocal.m4.
965 Call AC_CHECK_HEADERS(unistd.h).
966 * configure: Regenerated.
967 * config.in: New file.
968 * interp.c: #include "callback.h".
969 * simops.c: #include "config.h". #include <unistd.h> if present.
971 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
973 * d10v-sim.h (simops): Add flag is_long.
974 (State): Add pc_changed. Instructions which update the PC should
975 use the JMP macro which sets this.
976 (JMP): New macro. Sets the PC and the pc_changed flag.
978 * gencode.c (write_opcodes): Add is_long field.
980 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
981 to a long opcode we could get a false match. Check the opcode size.
982 (hash): Add a size field to the hash table.
983 (sim_open): Initialize size field in hash table.
984 (sim_resume): Change to logic for setting the PC. Used to increment the
985 PC if it had not been changed. This didn't allow single-instruction loops.
986 Now checks the flag State.pc_changed. Also now stops when ^C is received.
987 (dmem_addr): Fix translation of data segments to unified memory.
988 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
990 * simops.c: Changed all branch and jump instructions to use new JMP macro.
991 (OP_20000000): Corrected trace information to show this is a ldi.l, not
994 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
996 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
997 updating the accumulators was overwriting other parts of the global
1000 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1002 * interp.c (bfd.h) Don't include it here any more.
1003 (text{,_start,_end}): Move here from simops.c and make extern.
1004 (decode_pc): New function to return the PC as an address that the
1006 (dmem_addr): Print decoded PC in error message.
1009 * simops.c (bfd.h) Don't include it here any more.
1010 (text{,_start,_end}): Move to simops.c.
1011 (trace_input_func): Move decoding of PC, and looking up .text
1014 * d10v_sim.h (bfd.h): Include it here.
1015 (text{,_start,_end}): Add external declarations.
1019 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1021 * interp.c (sim_size): Now allocates unified memory for imap segments
1022 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1023 (sim_write): Just call xfer_mem().
1024 (sim_read): Just call xfer_mem().
1025 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1026 (dmem_addr): New function. Reads dmap register and translates data
1027 addresses to local addresses.
1028 (pc_addr): New function. Reads imap register and computes local address
1029 corresponding to contents of the PC.
1030 (sim_resume): Change to use pc_addr().
1031 (sim_create_inferior): Change reinitialization code. Also reinitializes
1033 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1034 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1036 * simops.c (MEMPTR): Redefine to use dmem_addr().
1037 (OP_5F00): Replace references to STate.imem with dmem_addr().
1039 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1040 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1041 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1043 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1045 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1046 better statistics, like not counting NOPS as parallel
1047 instructions, and printing total cycles.
1048 (ins_type_counters): Make unsigned long.
1049 (left_nops,right_nops): Fold into ins_type_counters.
1051 * simops.c (trace_input_func): Print new instruction types.
1052 Handle OP_R2R3 as input types.
1053 (OP_{38000000,7000}): Correctly sign extend bytes.
1054 (OP_5E00): Don't count NOPs as parallel instructions.
1055 (OP_460B): Remove unused variable.
1058 * interp.c (ins_type_counters): Make unsigned long.
1059 (left_nops,right_nops): Delete.
1060 (most functions): Add prototypes.
1061 (INLINE): If GCC and optimize define as __inline__.
1062 ({,lookup_}hash,get_operands): Declare as INLINE.
1063 (do_parallel): Count conditional operations.
1064 (add_commas): New function, to add commas every 3 digits.
1065 (sim_size): Call add_commas to print numbers.
1066 (sim_{open,resume}): Delete unused variables.
1067 (sim_info): Provide better statistics.
1068 (sim_read): Add int return type.
1070 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1072 * interp.c (sim_resume): Change the way single-stepping and exceptions
1073 are handled so single-stepping works again.
1075 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1077 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1080 * configure.in (--enable-sim-bswap): New switch to enable using
1081 the BSWAP instruction on x86's.
1082 * configure: Regenerate.
1084 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1087 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1089 * endian.c: New file. Move endian functions here from interp.c.
1090 Optimize code, and make it work as either inline functions or as a
1093 * interp.c: Move endian functions from here to endian.c.
1095 * Makefile.in (INCLUDE): Add endian.c.
1096 (run,libsim.a): Add dependency on endian.o.
1097 (endian.o): Add dependency.
1099 * d10v_sim.h (read/write support): Always go through the machine
1100 independent endian functions. If compiling with GCC and
1101 optimizing, include endian.c so the endian functions are inlined.
1103 * simops.c (OP_5F00): Correct tracing of accumulators.
1105 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1107 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1109 * interp.c (do_{2_short,parallel}): If an exception is raised,
1110 don't execute the second instruction.
1112 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1114 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1115 temporary in case the register is overriden when loading.
1116 (OP_6200): Output type is OP_DREG for tracing.
1118 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1120 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1122 * interp.c (sim_size): Initialize mem_{min,max} fields.
1123 (sim_write): Update mem_{min,max} fields.
1124 (sim_resume): If PC is not in the minimum/maximum memory range,
1126 (sim_create_inferior): Preserve mem_{min,max} fields.
1128 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1130 * simops.c (OP_5F00): Add support for time() system call.
1132 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1134 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1136 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1139 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1141 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1142 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1143 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1144 to call/subroutine returns to trace the first two arguments and
1145 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1147 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1149 * interp.c (sim_create_inferior): Reinitialize State every time
1150 sim_create_inferior() is called.
1152 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1154 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1156 (OP_401): Fix tracing information.
1158 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1160 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1161 (trace_input_func): Use them.
1162 (trace_input_func): Make sure there is a trailing space after the
1164 (OP_6200): Fix tracing info.
1166 * Makefile.in (run): Add dependencies on libbfd.a and
1169 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1171 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1172 numbers and function names in debug trace.
1173 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1175 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1176 and exit system call trap being executed.
1178 * interp.c (sim_stop_reason): Set exit code correctly for stop
1179 instruction and exit system call trap.
1181 * configure.in (--enable-sim-cflags): Remove trace case.
1182 (--enable-sim-debug): New switch to set the debug values.
1183 * configure: Regenerate.
1185 * simops.c (trace_{input,output}_func): Rename from
1186 trace_{input,output}.
1187 (trace_{input,output}): Call trace_{input,output}_func if
1188 d10v_debug is non-zero.
1189 (SIZE_INSTRUCTION): Cut down to 8.
1190 (SIZE_OPERANDS): Cut down to 18.
1191 (SIZE_LOCATION): New value for size of line number, function name
1193 (init_text_p,text{,_start,_end}): New static variables for
1194 printing line number and function name.
1195 (exec_bfd): New external that run.c sets.
1196 (trace_input_func): Print line number and function name if
1197 available and if desired.
1198 (OP_4E09): Don't print out DBT message.
1199 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1200 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1202 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1204 * interp.c (do_2_short): If the instruction encodes jump->ins,
1205 don't do the second instruction if the jump succeeds.
1207 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1209 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1210 accumulators, PC, and F0/F1/C flags.
1212 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1214 * simops.c (OP_5F00): Fix problems with system calls.
1216 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1218 * simops.c (OP_5F00): Correct tracing information for trap.
1220 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1222 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1224 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1226 * simops.c (trace_output): Properly align accumulator output.
1227 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1228 if shift count is too high.
1229 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1230 (OP_4E09): Make cpfg properly trace the input flags.
1231 (op_types): Add OP_FLAG_OUTPUT.
1232 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1233 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1234 an 8-bit memory reference instruction for tracing purposes.
1235 (OP_201): Addi needs to set the carry.
1237 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1239 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1240 to use signed register values.
1242 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1244 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1246 (_ins_type): New enumeration to specify which container an
1247 instruction is in, and whether it is part of a parallel operation.
1248 (_state): Add ins_type field.
1249 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1250 (ins_type_counters): Counters for the various instruction types.
1251 ({left,right}_nops): Counters for the number of nops in each
1253 (d10v_debug): New variable to indicate whether debugging is turned
1256 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1257 the input and output values can be traced, along with the
1258 instruction type. Make the -t option enable tracing.
1259 (all functions): Change printf calls to use the printf_filtered
1260 function in the callback table.
1262 * interp.c (_leftright): New enumeration to say whether 2 short
1263 instructions are done left first or right first.
1264 (do_{long,2_short,parallel}): Indicate in the machine state which
1265 type of instruction this is. Count each of the types of
1266 instructions executed.
1267 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1269 (sim_resume): Pass left/right indication to do_2_short.
1270 (all functions): Change printf calls to use the printf_filtered
1271 function in the callback table.
1272 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1274 (sim_info): Print out statistics on instructions.
1275 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1277 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1278 Only initialize the hash table the first time sim_open is called.
1280 * Makefile.in: Make objects depend on d10v_sim.h.
1281 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1282 CFLAGS does not override host/target defines or SIM_CFLAGS.
1283 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1284 (run): By default, the math library is not needed to be linked
1286 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1288 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1290 ({run,callback}.o): Provide explicit paths to their appropriate
1292 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1293 and linking. Instead of linking in libopcodes.a, just compile
1294 d10v-opc.o directly to handle canadian cross.
1295 (CSEARCH): Add opcodes directory.
1297 * configure.in (--enable-sim-cflags): New switch to allow user to
1299 (CC_FOR_BUILD): Deal with canadian crosses.
1300 * configure: Regenerate.
1302 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1304 * simops.c: Include correct syscall.h for d10v, not host's.
1305 Fix #ifdef SYS_stat.
1307 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1309 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1310 Add trap 2 to be printf and trap 3 to be putchar.
1312 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1314 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1315 for low-level system calls.
1317 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1319 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1321 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1323 * d10v_sim.h (SEXT32): Added.
1324 * interp.c: Commented out printfs.
1325 * simops.c: Fixed error in sb and st2w.
1327 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1329 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1330 DSP instructions. Added modulo addressing.
1332 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1334 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1336 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1338 * d10v_sim.h, simops.c: Snapshot.
1340 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1342 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1343 gencode.c, interp.c, simops.c: Created.