1 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * config.in: Regenerate.
6 * configure: Regenerate.
8 2008-07-11 Hans-Peter Nilsson <hp@axis.com>
10 * configure: Regenerate to track ../common/common.m4 changes.
13 2008-06-06 Vladimir Prus <vladimir@codesourcery.com>
14 Daniel Jacobowitz <dan@codesourcery.com>
15 Joseph Myers <joseph@codesourcery.com>
17 * configure: Regenerate.
19 2006-12-21 Hans-Peter Nilsson <hp@axis.com>
22 * config.in: Regenerate.
24 2006-06-13 Richard Earnshaw <rearnsha@arm.com>
26 * configure: Regenerated.
28 2006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
30 * configure: Regenerated.
32 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
34 * configure: Regenerated.
36 2006-04-18 Nick Clifton <nickc@redhat.com>
38 * interp.c (sim_stop_reason): Fix typo.
40 2005-11-28 Mark Mitchell <mark@codesourcery.com>
42 * interp.c (gdb/signals.h): Include it.
43 (sim_stop_reason): Use TARGET_SIGNAL_*.
45 2005-03-23 Mark Kettenis <kettenis@gnu.org>
47 * configure: Regenerate.
49 2005-01-14 Andrew Cagney <cagney@gnu.org>
51 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
52 explicit call to AC_CONFIG_HEADER.
53 * configure: Regenerate.
55 2005-01-12 Andrew Cagney <cagney@gnu.org>
57 * configure.ac: Update to use ../common/common.m4.
58 * configure: Re-generate.
60 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
62 * configure: Regenerated to track ../common/aclocal.m4 changes.
64 2005-01-07 Andrew Cagney <cagney@gnu.org>
66 * configure.ac: Rename configure.in, require autoconf 2.59.
67 * configure: Re-generate.
69 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
71 * configure: Regenerate for ../common/aclocal.m4 update.
73 2004-06-28 Andrew Cagney <cagney@gnu.org>
75 * interp.c (sim_resume): Rename ui_loop_hook to
76 deprecated_ui_loop_hook.
78 2003-10-30 Andrew Cagney <cagney@redhat.com>
80 * simops.c: Replace "struct symbol_cache_entry" with "struct
83 2003-06-22 Andrew Cagney <cagney@redhat.com>
85 * interp.c (xfer_mem): Simplify. Only do a single partial
86 transfer. Problem reported by Tom Rix.
88 2003-05-07 Andrew Cagney <cagney@redhat.com>
90 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
91 (sim_d10v_translate_imap_addr): Ditto.
92 (sim_d10v_translate_dmap_addr): Ditto.
93 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
94 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
95 (dmap_register, imap_register): Add "regcache" parameter.
96 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
97 (sim_fetch_register): Pass NULL regcache to imap_register and
100 2003-02-27 Andrew Cagney <cagney@redhat.com>
102 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
104 2002-11-13 Andrew Cagney <cagney@redhat.com>
106 * simops.c: Include <string.h>.
108 2002-06-17 Andrew Cagney <cagney@redhat.com>
110 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
112 2002-06-16 Andrew Cagney <ac131313@redhat.com>
114 * configure: Regenerated to track ../common/aclocal.m4 changes.
116 2002-06-13 Tom Rix <trix@redhat.com>
118 * interp.c (xfer_mem): Fix transfers across multiple segments.
120 2002-06-09 Andrew Cagney <cagney@redhat.com>
122 * Makefile.in (INCLUDE): Update path to callback.h.
123 * gencode.c: Do not include "callback.h".
124 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
127 2002-06-08 Andrew Cagney <cagney@redhat.com>
129 * interp.c (sim_fetch_register): Fix name of enum used in cast.
130 (sim_store_register): Ditto.
132 2002-06-02 Elena Zannoni <ezannoni@redhat.com>
134 From Jason Eckhardt <jle@redhat.com>
135 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
136 less than MOD_S (post-decrement).
138 2002-06-01 Andrew Cagney <ac131313@redhat.com>
140 * interp.c (sim_fetch_register, sim_store_register): Use a switch
141 statement and enums from "sim-d10v.h".
143 2002-05-28 Elena Zannoni <ezannoni@redhat.com>
145 * interp.c (sim_create_inferior): Add comment.
147 From Alan Matsuoka <alanm@redhat.com>:
148 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
149 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
150 (OP_4401): Output "mvf0t" instead of "mf0t".
151 (OP_460B): Do not output a flag register.
152 (OP_4609): Do not output a flag register.
154 2002-05-23 Andrew Cagney <ac131313@redhat.com>
156 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
157 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
159 2001-08-01 John R. Moore <jmoore@redhat.com>
161 * interp.c (sim_create_inferior): Removed a hack that stated
162 it was setting r0/r1 with argc/argv.
164 2001-04-15 J.T. Conklin <jtc@redback.com>
166 * Makefile.in (simops.o): Add simops.h to dependency list.
168 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
170 * configure: Regenerated to track ../common/aclocal.m4 changes.
172 Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
174 * interp.c (sim_resume): Deliver SIGILL.
175 (lookup_hash): Do not print SIGILL message.
177 Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
179 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
180 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
182 Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
184 * d10v_sim.h (SIG_D10V_BUS): Define.
186 * simops.c (address_exception): Delete function.
187 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
188 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
189 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
190 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
191 address_exception with code that sets SIG_D10V_BUS.
193 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
194 error to the simulator before resuming execution.
195 (sim_trace): Check stop reason and use that to determine sim_trace
197 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
200 Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
202 * interp.c (sim_create_inferior): Change internal initial value for
205 Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
207 * interp.c (lookup_hash): Stop the update of the PC when there was
208 an illegal instruction exception.
210 Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
212 * simops.c (address_exception): New function.
213 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
214 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
215 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
216 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
217 and "st2w" check that the address is aligned.
219 1999-12-30 Chandra Chavva <cchavva@cygnus.com>
221 * d10v_sim.h (INC_ADDR): Added code to assign
222 proper address for loads with predec operations.
224 1999-11-25 Nick Clifton <nickc@cygnus.com>
226 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
229 Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
231 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
234 Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
236 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
237 (PSW_HW_MASK): Declare.
239 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
240 (SET_CREG, SET_PSW_BIT): Update.
241 (SET_HW_CREG, SET_HW_PSW): Define.
243 Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
245 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
248 Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
250 * interp.c (sim_d10v_translate_addr): New function.
251 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
252 (map_memory): Make INLINE.
254 Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
256 * interp.c (sim_d10v_translate_dmap_addr): New function.
257 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
258 offset parameter to type uint16.
259 * d10v_sim.h (dmem_addr): Update declaration.
261 Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
263 * interp.c (imap_register, set_imap_register, dmap_register,
264 set_imap_register): Use map_memory.
266 (sim_create_inferior): Initialize all DMAP registers. NOTE that
267 DMAP2, in internal memory mode, is set to 0x0000 and NOT
268 0x2000. This is consistent with the older d10v boards.
270 Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
272 * interp.c (sim_d10v_translate_imap_addr): New function.
273 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
274 (last_from, last_to): Declare.
276 Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
278 * d10v_sim.h (struct d10v_memory): Define. Support very long
280 (struct _state): Replace imem, dmem and umem by mem.
281 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
282 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
284 * interp.c (map_memory): New function.
285 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
286 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
287 (IMEM_SIZEDMEM_SIZE): Delete.
289 Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
291 * interp.c: Include "sim-d10v.h".
292 (imap_register, set_imap_register, dmap_register,
293 set_dmap_register, spi_register, spu_register, set_spi_register,
294 set_spu_register): New functions.
295 (sim_create_inferior): Update.
296 (sim_fetch_register, sim_store_register): Rewrite. Use enums
297 defined in sim-d10v.h.
299 * d10v_sim.h (DEBUG_MEMORY): Define.
300 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
302 Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
304 * interp.c (sim_open): Allow a debug value to be passed to the -t
306 (lookup_hash): Don't exit on an illegal instruction.
307 (do_long, do_2_short, do_parallel): Check for failed instruction
310 Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
312 * simops.c (OP_3220): Fix trace output for illegal accumulator
315 1999-09-14 Nick Clifton <nickc@cygnus.com>
317 * simops.c: Disable setting of DM bit in PSW.
319 Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
321 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
322 (trace_input_func): Added support for OP_MEMREF3.
323 (OP_32010000): New instruction ld.
324 (OP_33010000): New instruction ld2w.
325 (OP_5209): New instruction sac.
326 (OP_4209): New instruction sachi.
327 (OP_3220): New instruction slae.
328 (OP_36010000): New instruction st.
329 (OP_37010000): New instruction st2w.
331 1999-09-09 Stan Shebs <shebs@andros.cygnus.com>
333 * interp.c (old_segment_mapping): New global.
334 (xfer_mem): Change the default segment mapping to be the way
335 that Mitsubishi prefers, but use the previous mapping if
336 old_segment_mapping is true.
337 (sim_open): Add an option -oldseg to get the old mapping.
338 (sim_create_inferior): Init mapping registers based on the
339 value of old_segment_mapping.
341 1999-09-07 Nick Clifton <nickc@cygnus.com>
343 * simops.c (OP_6601): Do not write back decremented address if
344 either of the destination registers was the same as the address
346 (OP_6201): Do not write back incremented address if either of the
347 destination registers was the same as the address register.
349 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
351 * configure: Regenerated to track ../common/aclocal.m4 changes.
353 1999-05-08 Felix Lee <flee@cygnus.com>
355 * configure: Regenerated to track ../common/aclocal.m4 changes.
357 1999-04-02 Keith Seitz <keiths@cygnus.com>
359 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
361 (sim_resume): If the counter has expired, call the ui_loop_hook,
363 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
365 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
367 Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
369 * simops.c: If load instruction with auto increment/decrement
370 addressing is used when the destination register is the same as
371 the address register, then ignore the auto increment/decrement.
373 Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
375 * simops.c (OP_5F00): Ifdef SYS_stat case because
376 not all systems have it defined.
378 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
380 * simops.c (OP_5607): Correct saturation comparison/assignment.
381 (OP_1201, OP_1203, OP_17001200, OP_17001202,
382 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
383 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
385 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
387 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
393 1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
395 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
398 Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
400 * simops.c (sys/syscall.h): Include targ-vals.h instead.
401 (SYS_*): Replace with TARGET_SYS_*.
403 * Makefile.in: Add dependency on targ-vals.h.
404 (NL_TARGET): Define as NL_TARGET_d10v.
406 Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
408 * interp.c (xfer_mem): Missing break, instruction memory case
409 flowed into unified memory case.
411 Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
413 * simops.c: If load instruction with auto increment/decrement
414 addressing is used when the destination register is the same as
415 the address register, then ignore the auto increment/decrement.
417 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
419 * configure: Regenerated to track ../common/aclocal.m4 changes.
421 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
423 * configure: Regenerated to track ../common/aclocal.m4 changes.
426 Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
428 * acconfig.h: New file.
429 * configure.in: Reverted change of Apr 24; use sinclude again.
431 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
433 * configure: Regenerated to track ../common/aclocal.m4 changes.
436 Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
438 * configure.in: Don't call sinclude.
440 Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
442 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
444 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
446 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
448 * configure: Regenerated to track ../common/aclocal.m4 changes.
450 Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
452 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
454 (OP_OP_1000000, add3): Trace inputs before performing add.
455 (OP_5F00, <*>): Trace input registers before making system call.
456 (OP_5F00, <kill>): Trace R0, R1 not REGn.
457 (OP_5F00, <getpid>): Always return 47.
459 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
460 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
462 (struct _state): Add struct slot slot to global state variable.
463 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
464 F0, F1, C from global State variable.
465 (struct _state): Add struct trace to global State variable.
466 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
467 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
468 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
469 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
470 (JMP): Re-implement. Use SET_* to update registers.
472 * interp.c: Use new SET_* et.al. macros to fetch / store
474 (get_operands): Squirrel away trace values at start of each
476 (do_2_short): Flush pending writes before issuing second
478 (sim_resume): Flush pending writes at end of instruction cycle.
479 (sim_fetch_register, sim_store_register, sim_create_inferior):
480 After scheduling updates to registers using SET_*, flush updates.
481 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
482 that each sets pc using SET_* and last SET_* eventually winds out.
484 * simops.c: Use new SET_* et.al. macros to fetch / store
486 (move_to_cr): Add MASK argument for selective update of CREG bits.
487 Re-implement using new SET_* macros.
488 (trace_output_func, trace_output): Delete. Replace with.
489 (do_trace_output_flush, trace_output_finish, trace_output_40,
490 trace_output_32, trace_output_16, trace_output_void,
491 trace_output_flag): New functions. Handle specific trace cases.
492 (OP_*): Re-write tracing to use new trace_output_* functions.
493 (OP_*): Re-write to use new SET_* et.al. macros.
494 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
495 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
497 Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
499 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
500 configure: Re-generate.
502 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
504 * configure: Regenerated to track ../common/aclocal.m4 changes.
506 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
508 * configure: Regenerated to track ../common/aclocal.m4 changes.
510 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
512 * configure: Regenerated to track ../common/aclocal.m4 changes.
514 Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
516 * interp.c (sim_store_register, sim_fetch_register): Pass in
517 length parameter. Return -1.
519 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
521 * (dmem_addr): If address is illegal or in I/O space, signal a bus
522 error. Allocate unified memory on demand. Fix DMEM address
525 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
527 * simops.c (OP_5F20): Implement "dbt".
528 (OP_5F60): Implement "rtd".
530 * d10v_sim.h (DPC_CR): Define enum.
531 (DBT_VECTOR_START): Define
534 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
536 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
539 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
542 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
544 * simops.c (OP_5F00): Call error instead of abort for unknown
547 * d10v_sim.h (enum): Define DPSW_CR.
549 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
551 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
553 * interp.c (sim_write_phys): Delete.
554 (sim_load): Call sim_load_file with sim_write and LMA.
556 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
558 * interp.c: Rewrite xfer_mem so that it translates addresses as -
559 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
560 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
563 (imem_addr): New function - translate IMEM address.
564 (sim_resume): Use imem_addr to translate insn address, abort if
566 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
567 argc/argv using r0/r1 not r2/r3.
568 (sim_size): Do not initialize IMAP/DMAP here.
569 (sim_open): Call sim_create_inferior and sim_size to initialize
571 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
573 (init_system): Delete.
574 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
576 (decode_pc): Check prog_bfd is defined before looking up .text
579 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
581 * configure: Regenerated to track ../common/aclocal.m4 changes.
583 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
585 * configure: Regenerated to track ../common/aclocal.m4 changes.
587 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
589 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
591 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
593 * d10v_sim.h (DEBUG_TRAP): New debug flag.
595 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
596 printing the registers.
598 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
600 * simops.c (op_types): New ABI, args are r0..r3, system call # is
602 (trace_{in,out}put_func): Ditto.
604 (OP_24800000): Ditto.
608 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
610 * interp.c (UMEM_SEGMENTS): New define, set to 128.
611 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
612 (sim_close): Reset prog_bfd to NULL after closing it. Also
613 reset prog_bfd_was_opened_p after closing prog_bfd.
614 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
615 (sim_create_inferior): Get start address from abfd not prog_bfd.
616 (xfer_mem): Do bounds checking on addresses and return zero length
617 read/write on bad addresses, rather than aborting. Prepare to
618 be able to handle xfers that cross segment boundaries, but not
619 yet implemented. Only emit debug message when d10v_debug is
620 set as well as DEBUG being defined.
622 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
624 * configure: Regenerated to track ../common/aclocal.m4 changes.
626 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
628 * configure: Regenerated to track ../common/aclocal.m4 changes.
631 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
633 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
634 (BPSW): Ditto for BPSW_CR and not PSW_CR.
636 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
638 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
640 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
641 reserved trap from 0 to 15. Add trap emulation code for 0-14.
643 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
646 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
647 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
649 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
651 (OP_5F00): For "trap", update BPSW with move_to_cr.
653 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
655 * d10v_sim.h (enum): Enumerate CR register names.
656 (enum): Enumerate PSW bit values.
657 (PSW): Obtain value uing move_from_cr.
658 (MOD_S, MOD_E, BPSW): Make r-values.
659 (move_from_cr, move_to_cr): Declare functions.
661 * interp.c (sim_fetch_register, sim_store_register): Use
662 move_from_cr and move_to_cr for CR register transfers.
664 * simops.c (move_from_cr, move_to_cr): New functions.
665 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
666 (OP_5600): For "mvtc", use function move_to_cr.
667 (OP_5200): For "mvfc", use function move_from_cr.
669 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
671 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
674 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
676 * configure: Regenerated to track ../common/aclocal.m4 changes.
678 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
680 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
682 * simops.c (OP_5600): For "mvtc", save PSW.DM.
683 (OP_5200): Ditto for "mvfc".
685 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
687 * d10v_sim.h (SEXT56): Define.
689 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
692 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
695 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
697 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
698 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
699 don't match enum values.
701 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
703 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
704 bit rather than 16 bit precision.
705 (OP_3C00): For "mulxu", store unsigned product in ACC.
706 (OP_3800): For "msbu", subtract unsigned product from ACC,
707 (OP_0): For "sub", compute carry by comparing inputs.
709 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
711 * simops.c (OP_1000): For "sub2w", compute carry by comparing
714 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
716 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
717 carry indicated by value > 0xffff.
719 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
721 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
723 (sim_resume): Fix race condition of a direct assignment to
724 stop_simulator, conditionally call sim_stop.
725 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
726 stop_simulator ready for next sim_resume call.
727 (sim_ctrl_c): Delete function.
729 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
731 * interp.c (sim_resume): For "REP", only check/update the PC when
732 a branch instruction has not been executed.
734 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
736 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
737 extend bit 44 all constants.
738 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
740 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
742 * d10v_sim.h: Include sim-types.h.
743 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
744 using unsigned8 et.al. from sim-types.h.
745 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
748 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
750 * interp.c (sim_write_phys): New function, write to physical
751 instead of virtual memory.
753 * interp.c (sim_load): Pass lma_p and sim_write_phys to
756 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
758 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
759 exception generation code to OP_6E01.
760 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
763 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
765 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
768 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
770 * configure: Regenerated to track ../common/aclocal.m4 changes.
772 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
774 * interp.c (pc_addr): Discard upper bit(s) of PC in case
775 IMAP1 selects unified memory.
776 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
779 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
781 * configure: Regenerated to track ../common/aclocal.m4 changes.
783 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
785 * configure: Regenerated to track ../common/aclocal.m4 changes.
787 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
789 * configure: Regenerated to track ../common/aclocal.m4 changes.
791 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
793 * configure: Regenerated to track ../common/aclocal.m4 changes.
795 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
797 * configure: Regenerated to track ../common/aclocal.m4 changes.
799 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
801 * interp.c (sim_resume): Increment PC at end of rep
804 * simops.c (OP_4201): Fix rachi instruction.
806 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
808 * configure: Regenerated to track ../common/aclocal.m4 changes.
810 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
812 * configure: Regenerated to track ../common/aclocal.m4 changes.
815 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
817 * interp.c (sim_kill): Delete.
818 (sim_create_inferior): Add ABFD argument.
819 (sim_load): Move setting of PC from here.
820 (sim_create_inferior): To here.
821 (start_address): Delete variable.
823 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
825 * configure: Regenerated to track ../common/aclocal.m4 changes.
828 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
830 * interp.c (sim_open): Add ABFD argument.
832 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
834 * interp.c (sim_open): Add callback argument.
835 (sim_set_callbacks): Remove SIM_DESC argument.
837 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
839 * configure: Regenerated to track ../common/aclocal.m4 changes.
841 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
843 * interp.c (sim_open): Undo patch to add -E support.
845 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
847 * interp.c (sim_stop): New function.
849 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
851 * Makefile.in (SIM_OBJS): Add sim-load.o.
852 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
853 * interp.c: #include bfd.h.
854 (myname, sim_kind, start_address): New static locals.
855 (prog_bfd_was_opened_p, prog_bfd): New static locals.
856 (decode_pc): Update to use prog_bfd.
857 (sim_open): Set sim_kind, myname. Ignore -E arg.
858 (sim_close): Close prog_bfd if simulator opened it.
859 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
860 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
861 Call sim_load_file to load file into simulator.
862 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
864 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
866 * simops.c (OP_5F00): Only provide system calls SYS_execv,
867 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
869 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
871 * configure: Regenerated to track ../common/aclocal.m4 changes.
874 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
876 * interp.c (sim_open): New arg `kind'.
878 * configure: Regenerated to track ../common/aclocal.m4 changes.
880 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
882 * configure: Regenerated to track ../common/aclocal.m4 changes.
884 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
886 * configure: Re-generate.
888 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
890 * configure: Regenerate to track ../common/aclocal.m4 changes.
892 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
893 as trap 0, which will be deprecated. Only set errno, if an error
894 in fact was returned.
896 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
898 * interp.c: Delete redundant prototypes of sim_foo fns.
899 (sim_open): New SIM_DESC result. Argument is now in argv form.
900 (other sim_*): New SIM_DESC argument.
902 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
904 * simops.c (trace_{input,output}_func): Call flush_stdout from the
907 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
908 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
909 setting the carry bit after an add or a subtract.
911 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
913 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
914 40 bits of accumulators. Sign/zero extend as appropriate.
916 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
918 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
919 COMMON_{PRE,POST}_CONFIG_FRAG instead.
920 * configure.in: sinclude ../common/aclocal.m4.
921 * configure: Regenerated.
923 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
925 * configure configure.in Makefile.in: Update to new configure
926 scheme which is more compatible with WinGDB builds.
927 * configure.in: Improve comment on how to run autoconf.
928 * configure: Re-run autoconf to get new ../common/aclocal.m4.
929 * Makefile.in: Use autoconf substitution to install common
932 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
934 * gencode.c: patch to not #include "d10v_sim.h" which
935 unecessarily includes bfd.h and causes wingdb configure
938 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
940 * interp.c (xfer_mem): Change unified memory to 0x0.
942 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
944 * simops.c (OP_3E01): Fix tracing information.
945 (OP_300{0,1}): Do not propigate sign.
947 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
949 * config.in (WORDS_BIGENDIAN): Add.
950 * configure: Regenerated.
951 * d10v_sim.h: #include "config.h"
953 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
955 * gencode.c (write_opcodes): Eliminate warnings when generated
958 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
960 * interp.c (sim_open): Cast result of calloc, and make sure NULL
962 (dmem_addr): If address is illegal or in I/O space, signal a bus
964 (pc_addr): Signal bus error, not illegal instruction for bogus
967 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
969 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
970 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
971 * configure.in: Simplify using macros in ../common/aclocal.m4.
972 Call AC_CHECK_HEADERS(unistd.h).
973 * configure: Regenerated.
974 * config.in: New file.
975 * interp.c: #include "callback.h".
976 * simops.c: #include "config.h". #include <unistd.h> if present.
978 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
980 * d10v-sim.h (simops): Add flag is_long.
981 (State): Add pc_changed. Instructions which update the PC should
982 use the JMP macro which sets this.
983 (JMP): New macro. Sets the PC and the pc_changed flag.
985 * gencode.c (write_opcodes): Add is_long field.
987 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
988 to a long opcode we could get a false match. Check the opcode size.
989 (hash): Add a size field to the hash table.
990 (sim_open): Initialize size field in hash table.
991 (sim_resume): Change to logic for setting the PC. Used to increment the
992 PC if it had not been changed. This didn't allow single-instruction loops.
993 Now checks the flag State.pc_changed. Also now stops when ^C is received.
994 (dmem_addr): Fix translation of data segments to unified memory.
995 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
997 * simops.c: Changed all branch and jump instructions to use new JMP macro.
998 (OP_20000000): Corrected trace information to show this is a ldi.l, not
1001 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1003 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1004 updating the accumulators was overwriting other parts of the global
1007 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1009 * interp.c (bfd.h) Don't include it here any more.
1010 (text{,_start,_end}): Move here from simops.c and make extern.
1011 (decode_pc): New function to return the PC as an address that the
1013 (dmem_addr): Print decoded PC in error message.
1016 * simops.c (bfd.h) Don't include it here any more.
1017 (text{,_start,_end}): Move to simops.c.
1018 (trace_input_func): Move decoding of PC, and looking up .text
1021 * d10v_sim.h (bfd.h): Include it here.
1022 (text{,_start,_end}): Add external declarations.
1026 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1028 * interp.c (sim_size): Now allocates unified memory for imap segments
1029 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1030 (sim_write): Just call xfer_mem().
1031 (sim_read): Just call xfer_mem().
1032 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1033 (dmem_addr): New function. Reads dmap register and translates data
1034 addresses to local addresses.
1035 (pc_addr): New function. Reads imap register and computes local address
1036 corresponding to contents of the PC.
1037 (sim_resume): Change to use pc_addr().
1038 (sim_create_inferior): Change reinitialization code. Also reinitializes
1040 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1041 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1043 * simops.c (MEMPTR): Redefine to use dmem_addr().
1044 (OP_5F00): Replace references to STate.imem with dmem_addr().
1046 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1047 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1048 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1050 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1052 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1053 better statistics, like not counting NOPS as parallel
1054 instructions, and printing total cycles.
1055 (ins_type_counters): Make unsigned long.
1056 (left_nops,right_nops): Fold into ins_type_counters.
1058 * simops.c (trace_input_func): Print new instruction types.
1059 Handle OP_R2R3 as input types.
1060 (OP_{38000000,7000}): Correctly sign extend bytes.
1061 (OP_5E00): Don't count NOPs as parallel instructions.
1062 (OP_460B): Remove unused variable.
1065 * interp.c (ins_type_counters): Make unsigned long.
1066 (left_nops,right_nops): Delete.
1067 (most functions): Add prototypes.
1068 (INLINE): If GCC and optimize define as __inline__.
1069 ({,lookup_}hash,get_operands): Declare as INLINE.
1070 (do_parallel): Count conditional operations.
1071 (add_commas): New function, to add commas every 3 digits.
1072 (sim_size): Call add_commas to print numbers.
1073 (sim_{open,resume}): Delete unused variables.
1074 (sim_info): Provide better statistics.
1075 (sim_read): Add int return type.
1077 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1079 * interp.c (sim_resume): Change the way single-stepping and exceptions
1080 are handled so single-stepping works again.
1082 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1084 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1087 * configure.in (--enable-sim-bswap): New switch to enable using
1088 the BSWAP instruction on x86's.
1089 * configure: Regenerate.
1091 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1094 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1096 * endian.c: New file. Move endian functions here from interp.c.
1097 Optimize code, and make it work as either inline functions or as a
1100 * interp.c: Move endian functions from here to endian.c.
1102 * Makefile.in (INCLUDE): Add endian.c.
1103 (run,libsim.a): Add dependency on endian.o.
1104 (endian.o): Add dependency.
1106 * d10v_sim.h (read/write support): Always go through the machine
1107 independent endian functions. If compiling with GCC and
1108 optimizing, include endian.c so the endian functions are inlined.
1110 * simops.c (OP_5F00): Correct tracing of accumulators.
1112 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1114 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1116 * interp.c (do_{2_short,parallel}): If an exception is raised,
1117 don't execute the second instruction.
1119 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1121 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1122 temporary in case the register is overriden when loading.
1123 (OP_6200): Output type is OP_DREG for tracing.
1125 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1127 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1129 * interp.c (sim_size): Initialize mem_{min,max} fields.
1130 (sim_write): Update mem_{min,max} fields.
1131 (sim_resume): If PC is not in the minimum/maximum memory range,
1133 (sim_create_inferior): Preserve mem_{min,max} fields.
1135 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1137 * simops.c (OP_5F00): Add support for time() system call.
1139 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1141 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1143 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1146 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1148 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1149 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1150 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1151 to call/subroutine returns to trace the first two arguments and
1152 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1154 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1156 * interp.c (sim_create_inferior): Reinitialize State every time
1157 sim_create_inferior() is called.
1159 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1161 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1163 (OP_401): Fix tracing information.
1165 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1167 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1168 (trace_input_func): Use them.
1169 (trace_input_func): Make sure there is a trailing space after the
1171 (OP_6200): Fix tracing info.
1173 * Makefile.in (run): Add dependencies on libbfd.a and
1176 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1178 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1179 numbers and function names in debug trace.
1180 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1182 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1183 and exit system call trap being executed.
1185 * interp.c (sim_stop_reason): Set exit code correctly for stop
1186 instruction and exit system call trap.
1188 * configure.in (--enable-sim-cflags): Remove trace case.
1189 (--enable-sim-debug): New switch to set the debug values.
1190 * configure: Regenerate.
1192 * simops.c (trace_{input,output}_func): Rename from
1193 trace_{input,output}.
1194 (trace_{input,output}): Call trace_{input,output}_func if
1195 d10v_debug is non-zero.
1196 (SIZE_INSTRUCTION): Cut down to 8.
1197 (SIZE_OPERANDS): Cut down to 18.
1198 (SIZE_LOCATION): New value for size of line number, function name
1200 (init_text_p,text{,_start,_end}): New static variables for
1201 printing line number and function name.
1202 (exec_bfd): New external that run.c sets.
1203 (trace_input_func): Print line number and function name if
1204 available and if desired.
1205 (OP_4E09): Don't print out DBT message.
1206 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1207 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1209 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1211 * interp.c (do_2_short): If the instruction encodes jump->ins,
1212 don't do the second instruction if the jump succeeds.
1214 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1216 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1217 accumulators, PC, and F0/F1/C flags.
1219 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1221 * simops.c (OP_5F00): Fix problems with system calls.
1223 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1225 * simops.c (OP_5F00): Correct tracing information for trap.
1227 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1229 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1231 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1233 * simops.c (trace_output): Properly align accumulator output.
1234 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1235 if shift count is too high.
1236 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1237 (OP_4E09): Make cpfg properly trace the input flags.
1238 (op_types): Add OP_FLAG_OUTPUT.
1239 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1240 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1241 an 8-bit memory reference instruction for tracing purposes.
1242 (OP_201): Addi needs to set the carry.
1244 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1246 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1247 to use signed register values.
1249 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1251 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1253 (_ins_type): New enumeration to specify which container an
1254 instruction is in, and whether it is part of a parallel operation.
1255 (_state): Add ins_type field.
1256 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1257 (ins_type_counters): Counters for the various instruction types.
1258 ({left,right}_nops): Counters for the number of nops in each
1260 (d10v_debug): New variable to indicate whether debugging is turned
1263 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1264 the input and output values can be traced, along with the
1265 instruction type. Make the -t option enable tracing.
1266 (all functions): Change printf calls to use the printf_filtered
1267 function in the callback table.
1269 * interp.c (_leftright): New enumeration to say whether 2 short
1270 instructions are done left first or right first.
1271 (do_{long,2_short,parallel}): Indicate in the machine state which
1272 type of instruction this is. Count each of the types of
1273 instructions executed.
1274 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1276 (sim_resume): Pass left/right indication to do_2_short.
1277 (all functions): Change printf calls to use the printf_filtered
1278 function in the callback table.
1279 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1281 (sim_info): Print out statistics on instructions.
1282 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1284 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1285 Only initialize the hash table the first time sim_open is called.
1287 * Makefile.in: Make objects depend on d10v_sim.h.
1288 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1289 CFLAGS does not override host/target defines or SIM_CFLAGS.
1290 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1291 (run): By default, the math library is not needed to be linked
1293 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1295 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1297 ({run,callback}.o): Provide explicit paths to their appropriate
1299 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1300 and linking. Instead of linking in libopcodes.a, just compile
1301 d10v-opc.o directly to handle canadian cross.
1302 (CSEARCH): Add opcodes directory.
1304 * configure.in (--enable-sim-cflags): New switch to allow user to
1306 (CC_FOR_BUILD): Deal with canadian crosses.
1307 * configure: Regenerate.
1309 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1311 * simops.c: Include correct syscall.h for d10v, not host's.
1312 Fix #ifdef SYS_stat.
1314 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1316 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1317 Add trap 2 to be printf and trap 3 to be putchar.
1319 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1321 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1322 for low-level system calls.
1324 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1326 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1328 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1330 * d10v_sim.h (SEXT32): Added.
1331 * interp.c: Commented out printfs.
1332 * simops.c: Fixed error in sb and st2w.
1334 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1336 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1337 DSP instructions. Added modulo addressing.
1339 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1341 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1343 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1345 * d10v_sim.h, simops.c: Snapshot.
1347 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1349 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1350 gencode.c, interp.c, simops.c: Created.