1 2004-06-28 Andrew Cagney <cagney@gnu.org>
3 * interp.c (sim_resume): Rename ui_loop_hook to
4 deprecated_ui_loop_hook.
6 2003-10-30 Andrew Cagney <cagney@redhat.com>
8 * simops.c: Replace "struct symbol_cache_entry" with "struct
11 2003-06-22 Andrew Cagney <cagney@redhat.com>
13 * interp.c (xfer_mem): Simplify. Only do a single partial
14 transfer. Problem reported by Tom Rix.
16 2003-05-07 Andrew Cagney <cagney@redhat.com>
18 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
19 (sim_d10v_translate_imap_addr): Ditto.
20 (sim_d10v_translate_dmap_addr): Ditto.
21 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
22 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
23 (dmap_register, imap_register): Add "regcache" parameter.
24 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
25 (sim_fetch_register): Pass NULL regcache to imap_register and
28 2003-02-27 Andrew Cagney <cagney@redhat.com>
30 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
32 2002-11-13 Andrew Cagney <cagney@redhat.com>
34 * simops.c: Include <string.h>.
36 2002-06-17 Andrew Cagney <cagney@redhat.com>
38 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
40 2002-06-16 Andrew Cagney <ac131313@redhat.com>
42 * configure: Regenerated to track ../common/aclocal.m4 changes.
44 2002-06-13 Tom Rix <trix@redhat.com>
46 * interp.c (xfer_mem): Fix transfers across multiple segments.
48 2002-06-09 Andrew Cagney <cagney@redhat.com>
50 * Makefile.in (INCLUDE): Update path to callback.h.
51 * gencode.c: Do not include "callback.h".
52 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
55 2002-06-08 Andrew Cagney <cagney@redhat.com>
57 * interp.c (sim_fetch_register): Fix name of enum used in cast.
58 (sim_store_register): Ditto.
60 2002-06-02 Elena Zannoni <ezannoni@redhat.com>
62 From Jason Eckhardt <jle@redhat.com>
63 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
64 less than MOD_S (post-decrement).
66 2002-06-01 Andrew Cagney <ac131313@redhat.com>
68 * interp.c (sim_fetch_register, sim_store_register): Use a switch
69 statement and enums from "sim-d10v.h".
71 2002-05-28 Elena Zannoni <ezannoni@redhat.com>
73 * interp.c (sim_create_inferior): Add comment.
75 From Alan Matsuoka <alanm@redhat.com>:
76 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
77 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
78 (OP_4401): Output "mvf0t" instead of "mf0t".
79 (OP_460B): Do not output a flag register.
80 (OP_4609): Do not output a flag register.
82 2002-05-23 Andrew Cagney <ac131313@redhat.com>
84 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
85 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
87 2001-08-01 John R. Moore <jmoore@redhat.com>
89 * interp.c (sim_create_inferior): Removed a hack that stated
90 it was setting r0/r1 with argc/argv.
92 2001-04-15 J.T. Conklin <jtc@redback.com>
94 * Makefile.in (simops.o): Add simops.h to dependency list.
96 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
98 * configure: Regenerated to track ../common/aclocal.m4 changes.
100 Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
102 * interp.c (sim_resume): Deliver SIGILL.
103 (lookup_hash): Do not print SIGILL message.
105 Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
107 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
108 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
110 Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
112 * d10v_sim.h (SIG_D10V_BUS): Define.
114 * simops.c (address_exception): Delete function.
115 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
116 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
117 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
118 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
119 address_exception with code that sets SIG_D10V_BUS.
121 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
122 error to the simulator before resuming execution.
123 (sim_trace): Check stop reason and use that to determine sim_trace
125 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
128 Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
130 * interp.c (sim_create_inferior): Change internal initial value for
133 Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
135 * interp.c (lookup_hash): Stop the update of the PC when there was
136 an illegal instruction exception.
138 Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
140 * simops.c (address_exception): New function.
141 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
142 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
143 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
144 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
145 and "st2w" check that the address is aligned.
147 1999-12-30 Chandra Chavva <cchavva@cygnus.com>
149 * d10v_sim.h (INC_ADDR): Added code to assign
150 proper address for loads with predec operations.
152 1999-11-25 Nick Clifton <nickc@cygnus.com>
154 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
157 Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
159 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
162 Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
164 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
165 (PSW_HW_MASK): Declare.
167 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
168 (SET_CREG, SET_PSW_BIT): Update.
169 (SET_HW_CREG, SET_HW_PSW): Define.
171 Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
173 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
176 Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
178 * interp.c (sim_d10v_translate_addr): New function.
179 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
180 (map_memory): Make INLINE.
182 Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
184 * interp.c (sim_d10v_translate_dmap_addr): New function.
185 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
186 offset parameter to type uint16.
187 * d10v_sim.h (dmem_addr): Update declaration.
189 Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
191 * interp.c (imap_register, set_imap_register, dmap_register,
192 set_imap_register): Use map_memory.
194 (sim_create_inferior): Initialize all DMAP registers. NOTE that
195 DMAP2, in internal memory mode, is set to 0x0000 and NOT
196 0x2000. This is consistent with the older d10v boards.
198 Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
200 * interp.c (sim_d10v_translate_imap_addr): New function.
201 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
202 (last_from, last_to): Declare.
204 Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
206 * d10v_sim.h (struct d10v_memory): Define. Support very long
208 (struct _state): Replace imem, dmem and umem by mem.
209 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
210 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
212 * interp.c (map_memory): New function.
213 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
214 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
215 (IMEM_SIZEDMEM_SIZE): Delete.
217 Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
219 * interp.c: Include "sim-d10v.h".
220 (imap_register, set_imap_register, dmap_register,
221 set_dmap_register, spi_register, spu_register, set_spi_register,
222 set_spu_register): New functions.
223 (sim_create_inferior): Update.
224 (sim_fetch_register, sim_store_register): Rewrite. Use enums
225 defined in sim-d10v.h.
227 * d10v_sim.h (DEBUG_MEMORY): Define.
228 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
230 Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
232 * interp.c (sim_open): Allow a debug value to be passed to the -t
234 (lookup_hash): Don't exit on an illegal instruction.
235 (do_long, do_2_short, do_parallel): Check for failed instruction
238 Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
240 * simops.c (OP_3220): Fix trace output for illegal accumulator
243 1999-09-14 Nick Clifton <nickc@cygnus.com>
245 * simops.c: Disable setting of DM bit in PSW.
247 Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
249 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
250 (trace_input_func): Added support for OP_MEMREF3.
251 (OP_32010000): New instruction ld.
252 (OP_33010000): New instruction ld2w.
253 (OP_5209): New instruction sac.
254 (OP_4209): New instruction sachi.
255 (OP_3220): New instruction slae.
256 (OP_36010000): New instruction st.
257 (OP_37010000): New instruction st2w.
259 1999-09-09 Stan Shebs <shebs@andros.cygnus.com>
261 * interp.c (old_segment_mapping): New global.
262 (xfer_mem): Change the default segment mapping to be the way
263 that Mitsubishi prefers, but use the previous mapping if
264 old_segment_mapping is true.
265 (sim_open): Add an option -oldseg to get the old mapping.
266 (sim_create_inferior): Init mapping registers based on the
267 value of old_segment_mapping.
269 1999-09-07 Nick Clifton <nickc@cygnus.com>
271 * simops.c (OP_6601): Do not write back decremented address if
272 either of the destination registers was the same as the address
274 (OP_6201): Do not write back incremented address if either of the
275 destination registers was the same as the address register.
277 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
279 * configure: Regenerated to track ../common/aclocal.m4 changes.
281 1999-05-08 Felix Lee <flee@cygnus.com>
283 * configure: Regenerated to track ../common/aclocal.m4 changes.
285 1999-04-02 Keith Seitz <keiths@cygnus.com>
287 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
289 (sim_resume): If the counter has expired, call the ui_loop_hook,
291 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
293 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
295 Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
297 * simops.c: If load instruction with auto increment/decrement
298 addressing is used when the destination register is the same as
299 the address register, then ignore the auto increment/decrement.
301 Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
303 * simops.c (OP_5F00): Ifdef SYS_stat case because
304 not all systems have it defined.
306 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
308 * simops.c (OP_5607): Correct saturation comparison/assignment.
309 (OP_1201, OP_1203, OP_17001200, OP_17001202,
310 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
311 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
313 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
315 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
321 1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
323 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
326 Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
328 * simops.c (sys/syscall.h): Include targ-vals.h instead.
329 (SYS_*): Replace with TARGET_SYS_*.
331 * Makefile.in: Add dependency on targ-vals.h.
332 (NL_TARGET): Define as NL_TARGET_d10v.
334 Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
336 * interp.c (xfer_mem): Missing break, instruction memory case
337 flowed into unified memory case.
339 Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
341 * simops.c: If load instruction with auto increment/decrement
342 addressing is used when the destination register is the same as
343 the address register, then ignore the auto increment/decrement.
345 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
347 * configure: Regenerated to track ../common/aclocal.m4 changes.
349 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
351 * configure: Regenerated to track ../common/aclocal.m4 changes.
354 Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
356 * acconfig.h: New file.
357 * configure.in: Reverted change of Apr 24; use sinclude again.
359 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
361 * configure: Regenerated to track ../common/aclocal.m4 changes.
364 Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
366 * configure.in: Don't call sinclude.
368 Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
370 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
372 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
374 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
376 * configure: Regenerated to track ../common/aclocal.m4 changes.
378 Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
380 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
382 (OP_OP_1000000, add3): Trace inputs before performing add.
383 (OP_5F00, <*>): Trace input registers before making system call.
384 (OP_5F00, <kill>): Trace R0, R1 not REGn.
385 (OP_5F00, <getpid>): Always return 47.
387 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
388 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
390 (struct _state): Add struct slot slot to global state variable.
391 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
392 F0, F1, C from global State variable.
393 (struct _state): Add struct trace to global State variable.
394 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
395 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
396 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
397 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
398 (JMP): Re-implement. Use SET_* to update registers.
400 * interp.c: Use new SET_* et.al. macros to fetch / store
402 (get_operands): Squirrel away trace values at start of each
404 (do_2_short): Flush pending writes before issuing second
406 (sim_resume): Flush pending writes at end of instruction cycle.
407 (sim_fetch_register, sim_store_register, sim_create_inferior):
408 After scheduling updates to registers using SET_*, flush updates.
409 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
410 that each sets pc using SET_* and last SET_* eventually winds out.
412 * simops.c: Use new SET_* et.al. macros to fetch / store
414 (move_to_cr): Add MASK argument for selective update of CREG bits.
415 Re-implement using new SET_* macros.
416 (trace_output_func, trace_output): Delete. Replace with.
417 (do_trace_output_flush, trace_output_finish, trace_output_40,
418 trace_output_32, trace_output_16, trace_output_void,
419 trace_output_flag): New functions. Handle specific trace cases.
420 (OP_*): Re-write tracing to use new trace_output_* functions.
421 (OP_*): Re-write to use new SET_* et.al. macros.
422 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
423 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
425 Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
427 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
428 configure: Re-generate.
430 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
432 * configure: Regenerated to track ../common/aclocal.m4 changes.
434 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
436 * configure: Regenerated to track ../common/aclocal.m4 changes.
438 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
440 * configure: Regenerated to track ../common/aclocal.m4 changes.
442 Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
444 * interp.c (sim_store_register, sim_fetch_register): Pass in
445 length parameter. Return -1.
447 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
449 * (dmem_addr): If address is illegal or in I/O space, signal a bus
450 error. Allocate unified memory on demand. Fix DMEM address
453 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
455 * simops.c (OP_5F20): Implement "dbt".
456 (OP_5F60): Implement "rtd".
458 * d10v_sim.h (DPC_CR): Define enum.
459 (DBT_VECTOR_START): Define
462 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
464 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
467 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
470 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
472 * simops.c (OP_5F00): Call error instead of abort for unknown
475 * d10v_sim.h (enum): Define DPSW_CR.
477 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
479 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
481 * interp.c (sim_write_phys): Delete.
482 (sim_load): Call sim_load_file with sim_write and LMA.
484 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
486 * interp.c: Rewrite xfer_mem so that it translates addresses as -
487 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
488 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
491 (imem_addr): New function - translate IMEM address.
492 (sim_resume): Use imem_addr to translate insn address, abort if
494 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
495 argc/argv using r0/r1 not r2/r3.
496 (sim_size): Do not initialize IMAP/DMAP here.
497 (sim_open): Call sim_create_inferior and sim_size to initialize
499 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
501 (init_system): Delete.
502 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
504 (decode_pc): Check prog_bfd is defined before looking up .text
507 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
509 * configure: Regenerated to track ../common/aclocal.m4 changes.
511 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
513 * configure: Regenerated to track ../common/aclocal.m4 changes.
515 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
517 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
519 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
521 * d10v_sim.h (DEBUG_TRAP): New debug flag.
523 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
524 printing the registers.
526 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
528 * simops.c (op_types): New ABI, args are r0..r3, system call # is
530 (trace_{in,out}put_func): Ditto.
532 (OP_24800000): Ditto.
536 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
538 * interp.c (UMEM_SEGMENTS): New define, set to 128.
539 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
540 (sim_close): Reset prog_bfd to NULL after closing it. Also
541 reset prog_bfd_was_opened_p after closing prog_bfd.
542 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
543 (sim_create_inferior): Get start address from abfd not prog_bfd.
544 (xfer_mem): Do bounds checking on addresses and return zero length
545 read/write on bad addresses, rather than aborting. Prepare to
546 be able to handle xfers that cross segment boundaries, but not
547 yet implemented. Only emit debug message when d10v_debug is
548 set as well as DEBUG being defined.
550 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
552 * configure: Regenerated to track ../common/aclocal.m4 changes.
554 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
556 * configure: Regenerated to track ../common/aclocal.m4 changes.
559 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
561 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
562 (BPSW): Ditto for BPSW_CR and not PSW_CR.
564 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
566 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
568 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
569 reserved trap from 0 to 15. Add trap emulation code for 0-14.
571 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
574 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
575 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
577 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
579 (OP_5F00): For "trap", update BPSW with move_to_cr.
581 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
583 * d10v_sim.h (enum): Enumerate CR register names.
584 (enum): Enumerate PSW bit values.
585 (PSW): Obtain value uing move_from_cr.
586 (MOD_S, MOD_E, BPSW): Make r-values.
587 (move_from_cr, move_to_cr): Declare functions.
589 * interp.c (sim_fetch_register, sim_store_register): Use
590 move_from_cr and move_to_cr for CR register transfers.
592 * simops.c (move_from_cr, move_to_cr): New functions.
593 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
594 (OP_5600): For "mvtc", use function move_to_cr.
595 (OP_5200): For "mvfc", use function move_from_cr.
597 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
599 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
602 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
604 * configure: Regenerated to track ../common/aclocal.m4 changes.
606 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
608 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
610 * simops.c (OP_5600): For "mvtc", save PSW.DM.
611 (OP_5200): Ditto for "mvfc".
613 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
615 * d10v_sim.h (SEXT56): Define.
617 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
620 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
623 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
625 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
626 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
627 don't match enum values.
629 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
631 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
632 bit rather than 16 bit precision.
633 (OP_3C00): For "mulxu", store unsigned product in ACC.
634 (OP_3800): For "msbu", subtract unsigned product from ACC,
635 (OP_0): For "sub", compute carry by comparing inputs.
637 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
639 * simops.c (OP_1000): For "sub2w", compute carry by comparing
642 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
644 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
645 carry indicated by value > 0xffff.
647 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
649 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
651 (sim_resume): Fix race condition of a direct assignment to
652 stop_simulator, conditionally call sim_stop.
653 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
654 stop_simulator ready for next sim_resume call.
655 (sim_ctrl_c): Delete function.
657 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
659 * interp.c (sim_resume): For "REP", only check/update the PC when
660 a branch instruction has not been executed.
662 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
664 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
665 extend bit 44 all constants.
666 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
668 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
670 * d10v_sim.h: Include sim-types.h.
671 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
672 using unsigned8 et.al. from sim-types.h.
673 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
676 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
678 * interp.c (sim_write_phys): New function, write to physical
679 instead of virtual memory.
681 * interp.c (sim_load): Pass lma_p and sim_write_phys to
684 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
686 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
687 exception generation code to OP_6E01.
688 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
691 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
693 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
696 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
698 * configure: Regenerated to track ../common/aclocal.m4 changes.
700 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
702 * interp.c (pc_addr): Discard upper bit(s) of PC in case
703 IMAP1 selects unified memory.
704 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
707 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
709 * configure: Regenerated to track ../common/aclocal.m4 changes.
711 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
713 * configure: Regenerated to track ../common/aclocal.m4 changes.
715 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
717 * configure: Regenerated to track ../common/aclocal.m4 changes.
719 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
721 * configure: Regenerated to track ../common/aclocal.m4 changes.
723 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
725 * configure: Regenerated to track ../common/aclocal.m4 changes.
727 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
729 * interp.c (sim_resume): Increment PC at end of rep
732 * simops.c (OP_4201): Fix rachi instruction.
734 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
736 * configure: Regenerated to track ../common/aclocal.m4 changes.
738 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
740 * configure: Regenerated to track ../common/aclocal.m4 changes.
743 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
745 * interp.c (sim_kill): Delete.
746 (sim_create_inferior): Add ABFD argument.
747 (sim_load): Move setting of PC from here.
748 (sim_create_inferior): To here.
749 (start_address): Delete variable.
751 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
753 * configure: Regenerated to track ../common/aclocal.m4 changes.
756 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
758 * interp.c (sim_open): Add ABFD argument.
760 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
762 * interp.c (sim_open): Add callback argument.
763 (sim_set_callbacks): Remove SIM_DESC argument.
765 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
767 * configure: Regenerated to track ../common/aclocal.m4 changes.
769 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
771 * interp.c (sim_open): Undo patch to add -E support.
773 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
775 * interp.c (sim_stop): New function.
777 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
779 * Makefile.in (SIM_OBJS): Add sim-load.o.
780 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
781 * interp.c: #include bfd.h.
782 (myname, sim_kind, start_address): New static locals.
783 (prog_bfd_was_opened_p, prog_bfd): New static locals.
784 (decode_pc): Update to use prog_bfd.
785 (sim_open): Set sim_kind, myname. Ignore -E arg.
786 (sim_close): Close prog_bfd if simulator opened it.
787 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
788 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
789 Call sim_load_file to load file into simulator.
790 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
792 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
794 * simops.c (OP_5F00): Only provide system calls SYS_execv,
795 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
797 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
799 * configure: Regenerated to track ../common/aclocal.m4 changes.
802 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
804 * interp.c (sim_open): New arg `kind'.
806 * configure: Regenerated to track ../common/aclocal.m4 changes.
808 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
810 * configure: Regenerated to track ../common/aclocal.m4 changes.
812 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
814 * configure: Re-generate.
816 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
818 * configure: Regenerate to track ../common/aclocal.m4 changes.
820 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
821 as trap 0, which will be deprecated. Only set errno, if an error
822 in fact was returned.
824 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
826 * interp.c: Delete redundant prototypes of sim_foo fns.
827 (sim_open): New SIM_DESC result. Argument is now in argv form.
828 (other sim_*): New SIM_DESC argument.
830 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
832 * simops.c (trace_{input,output}_func): Call flush_stdout from the
835 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
836 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
837 setting the carry bit after an add or a subtract.
839 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
841 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
842 40 bits of accumulators. Sign/zero extend as appropriate.
844 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
846 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
847 COMMON_{PRE,POST}_CONFIG_FRAG instead.
848 * configure.in: sinclude ../common/aclocal.m4.
849 * configure: Regenerated.
851 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
853 * configure configure.in Makefile.in: Update to new configure
854 scheme which is more compatible with WinGDB builds.
855 * configure.in: Improve comment on how to run autoconf.
856 * configure: Re-run autoconf to get new ../common/aclocal.m4.
857 * Makefile.in: Use autoconf substitution to install common
860 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
862 * gencode.c: patch to not #include "d10v_sim.h" which
863 unecessarily includes bfd.h and causes wingdb configure
866 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
868 * interp.c (xfer_mem): Change unified memory to 0x0.
870 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
872 * simops.c (OP_3E01): Fix tracing information.
873 (OP_300{0,1}): Do not propigate sign.
875 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
877 * config.in (WORDS_BIGENDIAN): Add.
878 * configure: Regenerated.
879 * d10v_sim.h: #include "config.h"
881 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
883 * gencode.c (write_opcodes): Eliminate warnings when generated
886 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
888 * interp.c (sim_open): Cast result of calloc, and make sure NULL
890 (dmem_addr): If address is illegal or in I/O space, signal a bus
892 (pc_addr): Signal bus error, not illegal instruction for bogus
895 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
897 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
898 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
899 * configure.in: Simplify using macros in ../common/aclocal.m4.
900 Call AC_CHECK_HEADERS(unistd.h).
901 * configure: Regenerated.
902 * config.in: New file.
903 * interp.c: #include "callback.h".
904 * simops.c: #include "config.h". #include <unistd.h> if present.
906 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
908 * d10v-sim.h (simops): Add flag is_long.
909 (State): Add pc_changed. Instructions which update the PC should
910 use the JMP macro which sets this.
911 (JMP): New macro. Sets the PC and the pc_changed flag.
913 * gencode.c (write_opcodes): Add is_long field.
915 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
916 to a long opcode we could get a false match. Check the opcode size.
917 (hash): Add a size field to the hash table.
918 (sim_open): Initialize size field in hash table.
919 (sim_resume): Change to logic for setting the PC. Used to increment the
920 PC if it had not been changed. This didn't allow single-instruction loops.
921 Now checks the flag State.pc_changed. Also now stops when ^C is received.
922 (dmem_addr): Fix translation of data segments to unified memory.
923 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
925 * simops.c: Changed all branch and jump instructions to use new JMP macro.
926 (OP_20000000): Corrected trace information to show this is a ldi.l, not
929 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
931 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
932 updating the accumulators was overwriting other parts of the global
935 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
937 * interp.c (bfd.h) Don't include it here any more.
938 (text{,_start,_end}): Move here from simops.c and make extern.
939 (decode_pc): New function to return the PC as an address that the
941 (dmem_addr): Print decoded PC in error message.
944 * simops.c (bfd.h) Don't include it here any more.
945 (text{,_start,_end}): Move to simops.c.
946 (trace_input_func): Move decoding of PC, and looking up .text
949 * d10v_sim.h (bfd.h): Include it here.
950 (text{,_start,_end}): Add external declarations.
954 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
956 * interp.c (sim_size): Now allocates unified memory for imap segments
957 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
958 (sim_write): Just call xfer_mem().
959 (sim_read): Just call xfer_mem().
960 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
961 (dmem_addr): New function. Reads dmap register and translates data
962 addresses to local addresses.
963 (pc_addr): New function. Reads imap register and computes local address
964 corresponding to contents of the PC.
965 (sim_resume): Change to use pc_addr().
966 (sim_create_inferior): Change reinitialization code. Also reinitializes
968 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
969 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
971 * simops.c (MEMPTR): Redefine to use dmem_addr().
972 (OP_5F00): Replace references to STate.imem with dmem_addr().
974 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
975 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
976 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
978 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
980 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
981 better statistics, like not counting NOPS as parallel
982 instructions, and printing total cycles.
983 (ins_type_counters): Make unsigned long.
984 (left_nops,right_nops): Fold into ins_type_counters.
986 * simops.c (trace_input_func): Print new instruction types.
987 Handle OP_R2R3 as input types.
988 (OP_{38000000,7000}): Correctly sign extend bytes.
989 (OP_5E00): Don't count NOPs as parallel instructions.
990 (OP_460B): Remove unused variable.
993 * interp.c (ins_type_counters): Make unsigned long.
994 (left_nops,right_nops): Delete.
995 (most functions): Add prototypes.
996 (INLINE): If GCC and optimize define as __inline__.
997 ({,lookup_}hash,get_operands): Declare as INLINE.
998 (do_parallel): Count conditional operations.
999 (add_commas): New function, to add commas every 3 digits.
1000 (sim_size): Call add_commas to print numbers.
1001 (sim_{open,resume}): Delete unused variables.
1002 (sim_info): Provide better statistics.
1003 (sim_read): Add int return type.
1005 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1007 * interp.c (sim_resume): Change the way single-stepping and exceptions
1008 are handled so single-stepping works again.
1010 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1012 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1015 * configure.in (--enable-sim-bswap): New switch to enable using
1016 the BSWAP instruction on x86's.
1017 * configure: Regenerate.
1019 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1022 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1024 * endian.c: New file. Move endian functions here from interp.c.
1025 Optimize code, and make it work as either inline functions or as a
1028 * interp.c: Move endian functions from here to endian.c.
1030 * Makefile.in (INCLUDE): Add endian.c.
1031 (run,libsim.a): Add dependency on endian.o.
1032 (endian.o): Add dependency.
1034 * d10v_sim.h (read/write support): Always go through the machine
1035 independent endian functions. If compiling with GCC and
1036 optimizing, include endian.c so the endian functions are inlined.
1038 * simops.c (OP_5F00): Correct tracing of accumulators.
1040 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1042 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1044 * interp.c (do_{2_short,parallel}): If an exception is raised,
1045 don't execute the second instruction.
1047 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1049 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1050 temporary in case the register is overriden when loading.
1051 (OP_6200): Output type is OP_DREG for tracing.
1053 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1055 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1057 * interp.c (sim_size): Initialize mem_{min,max} fields.
1058 (sim_write): Update mem_{min,max} fields.
1059 (sim_resume): If PC is not in the minimum/maximum memory range,
1061 (sim_create_inferior): Preserve mem_{min,max} fields.
1063 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1065 * simops.c (OP_5F00): Add support for time() system call.
1067 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1069 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1071 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1074 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1076 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1077 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1078 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1079 to call/subroutine returns to trace the first two arguments and
1080 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1082 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1084 * interp.c (sim_create_inferior): Reinitialize State every time
1085 sim_create_inferior() is called.
1087 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1089 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1091 (OP_401): Fix tracing information.
1093 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1095 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1096 (trace_input_func): Use them.
1097 (trace_input_func): Make sure there is a trailing space after the
1099 (OP_6200): Fix tracing info.
1101 * Makefile.in (run): Add dependencies on libbfd.a and
1104 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1106 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1107 numbers and function names in debug trace.
1108 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1110 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1111 and exit system call trap being executed.
1113 * interp.c (sim_stop_reason): Set exit code correctly for stop
1114 instruction and exit system call trap.
1116 * configure.in (--enable-sim-cflags): Remove trace case.
1117 (--enable-sim-debug): New switch to set the debug values.
1118 * configure: Regenerate.
1120 * simops.c (trace_{input,output}_func): Rename from
1121 trace_{input,output}.
1122 (trace_{input,output}): Call trace_{input,output}_func if
1123 d10v_debug is non-zero.
1124 (SIZE_INSTRUCTION): Cut down to 8.
1125 (SIZE_OPERANDS): Cut down to 18.
1126 (SIZE_LOCATION): New value for size of line number, function name
1128 (init_text_p,text{,_start,_end}): New static variables for
1129 printing line number and function name.
1130 (exec_bfd): New external that run.c sets.
1131 (trace_input_func): Print line number and function name if
1132 available and if desired.
1133 (OP_4E09): Don't print out DBT message.
1134 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1135 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1137 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1139 * interp.c (do_2_short): If the instruction encodes jump->ins,
1140 don't do the second instruction if the jump succeeds.
1142 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1144 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1145 accumulators, PC, and F0/F1/C flags.
1147 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1149 * simops.c (OP_5F00): Fix problems with system calls.
1151 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1153 * simops.c (OP_5F00): Correct tracing information for trap.
1155 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1157 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1159 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1161 * simops.c (trace_output): Properly align accumulator output.
1162 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1163 if shift count is too high.
1164 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1165 (OP_4E09): Make cpfg properly trace the input flags.
1166 (op_types): Add OP_FLAG_OUTPUT.
1167 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1168 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1169 an 8-bit memory reference instruction for tracing purposes.
1170 (OP_201): Addi needs to set the carry.
1172 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1174 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1175 to use signed register values.
1177 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1179 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1181 (_ins_type): New enumeration to specify which container an
1182 instruction is in, and whether it is part of a parallel operation.
1183 (_state): Add ins_type field.
1184 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1185 (ins_type_counters): Counters for the various instruction types.
1186 ({left,right}_nops): Counters for the number of nops in each
1188 (d10v_debug): New variable to indicate whether debugging is turned
1191 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1192 the input and output values can be traced, along with the
1193 instruction type. Make the -t option enable tracing.
1194 (all functions): Change printf calls to use the printf_filtered
1195 function in the callback table.
1197 * interp.c (_leftright): New enumeration to say whether 2 short
1198 instructions are done left first or right first.
1199 (do_{long,2_short,parallel}): Indicate in the machine state which
1200 type of instruction this is. Count each of the types of
1201 instructions executed.
1202 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1204 (sim_resume): Pass left/right indication to do_2_short.
1205 (all functions): Change printf calls to use the printf_filtered
1206 function in the callback table.
1207 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1209 (sim_info): Print out statistics on instructions.
1210 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1212 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1213 Only initialize the hash table the first time sim_open is called.
1215 * Makefile.in: Make objects depend on d10v_sim.h.
1216 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1217 CFLAGS does not override host/target defines or SIM_CFLAGS.
1218 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1219 (run): By default, the math library is not needed to be linked
1221 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1223 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1225 ({run,callback}.o): Provide explicit paths to their appropriate
1227 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1228 and linking. Instead of linking in libopcodes.a, just compile
1229 d10v-opc.o directly to handle canadian cross.
1230 (CSEARCH): Add opcodes directory.
1232 * configure.in (--enable-sim-cflags): New switch to allow user to
1234 (CC_FOR_BUILD): Deal with canadian crosses.
1235 * configure: Regenerate.
1237 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1239 * simops.c: Include correct syscall.h for d10v, not host's.
1240 Fix #ifdef SYS_stat.
1242 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1244 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1245 Add trap 2 to be printf and trap 3 to be putchar.
1247 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1249 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1250 for low-level system calls.
1252 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1254 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1256 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1258 * d10v_sim.h (SEXT32): Added.
1259 * interp.c: Commented out printfs.
1260 * simops.c: Fixed error in sb and st2w.
1262 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1264 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1265 DSP instructions. Added modulo addressing.
1267 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1269 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1271 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1273 * d10v_sim.h, simops.c: Snapshot.
1275 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1277 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1278 gencode.c, interp.c, simops.c: Created.