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* gdbarch.sh (REGISTER_NAME): Change return type a constant string
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
c8cca39f
AC
12002-06-16 Andrew Cagney <ac131313@redhat.com>
2
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
4
3d2957e6
TR
52002-06-13 Tom Rix <trix@redhat.com>
6
7 * interp.c (xfer_mem): Fix transfers across multiple segments.
8
3c25f8c7
AC
92002-06-09 Andrew Cagney <cagney@redhat.com>
10
11 * Makefile.in (INCLUDE): Update path to callback.h.
12 * gencode.c: Do not include "callback.h".
13 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
14 * interp.c: Ditto.
15
983b727e
AC
162002-06-08 Andrew Cagney <cagney@redhat.com>
17
18 * interp.c (sim_fetch_register): Fix name of enum used in cast.
19 (sim_store_register): Ditto.
20
676ab6a0 212002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ
22
23 From Jason Eckhardt <jle@redhat.com>
24 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
25 less than MOD_S (post-decrement).
26
18c0df9e
AC
272002-06-01 Andrew Cagney <ac131313@redhat.com>
28
29 * interp.c (sim_fetch_register, sim_store_register): Use a switch
30 statement and enums from "sim-d10v.h".
31
1aa5e64f
EZ
322002-05-28 Elena Zannoni <ezannoni@redhat.com>
33
34 * interp.c (sim_create_inferior): Add comment.
35
36 From Alan Matsuoka <alanm@redhat.com>:
37 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
38 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
39 (OP_4401): Output "mvf0t" instead of "mf0t".
40 (OP_460B): Do not output a flag register.
41 (OP_4609): Do not output a flag register.
42
b91b96f4
AC
432002-05-23 Andrew Cagney <ac131313@redhat.com>
44
45 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
46 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
47
962b3ead
JM
482001-08-01 John R. Moore <jmoore@redhat.com>
49
50 * interp.c (sim_create_inferior): Removed a hack that stated
51 it was setting r0/r1 with argc/argv.
52
d4424ada
C
532001-04-15 J.T. Conklin <jtc@redback.com>
54
55 * Makefile.in (simops.o): Add simops.h to dependency list.
56
eb2d80b4
AC
57Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
58
59 * configure: Regenerated to track ../common/aclocal.m4 changes.
60
27842f65
AC
61Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
62
63 * interp.c (sim_resume): Deliver SIGILL.
64 (lookup_hash): Do not print SIGILL message.
65
baa7ae6f
AC
66Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
67
68 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
69 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
70
ba744a4f
AC
71Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
72
73 * d10v_sim.h (SIG_D10V_BUS): Define.
74
75 * simops.c (address_exception): Delete function.
76 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
77 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
78 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
79 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
80 address_exception with code that sets SIG_D10V_BUS.
81
82 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
83 error to the simulator before resuming execution.
84 (sim_trace): Check stop reason and use that to determine sim_trace
85 return value.
86 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
87 sigrc.
88
89Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
90
91 * interp.c (sim_create_inferior): Change internal initial value for
92 DMAP2 to 0x2000.
93
c3f6f71d
JM
94Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
95
96 * interp.c (lookup_hash): Stop the update of the PC when there was
97 an illegal instruction exception.
98
99Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
100
101 * simops.c (address_exception): New function.
102 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
103 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
104 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
105 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
106 and "st2w" check that the address is aligned.
107
8ae7f924
FCE
1081999-12-30 Chandra Chavva <cchavva@cygnus.com>
109
110 * d10v_sim.h (INC_ADDR): Added code to assign
111 proper address for loads with predec operations.
112
c2d11a7d
JM
1131999-11-25 Nick Clifton <nickc@cygnus.com>
114
115 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
116 cpfg instruction.
117
4ce44c66
JM
118Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
119
120 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
121 DPSW and BPSW.
122
123Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
124
125 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
126 (PSW_HW_MASK): Declare.
127
128 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
129 (SET_CREG, SET_PSW_BIT): Update.
130 (SET_HW_CREG, SET_HW_PSW): Define.
131
132Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
133
134 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
135 for DMAP3.
136
137Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
138
139 * interp.c (sim_d10v_translate_addr): New function.
140 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
141 (map_memory): Make INLINE.
142
143Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
144
145 * interp.c (sim_d10v_translate_dmap_addr): New function.
146 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
147 offset parameter to type uint16.
148 * d10v_sim.h (dmem_addr): Update declaration.
149
150Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
151
152 * interp.c (imap_register, set_imap_register, dmap_register,
153 set_imap_register): Use map_memory.
154 (DMAP): Update.
155 (sim_create_inferior): Initialize all DMAP registers. NOTE that
156 DMAP2, in internal memory mode, is set to 0x0000 and NOT
157 0x2000. This is consistent with the older d10v boards.
158
159Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
160
161 * interp.c (sim_d10v_translate_imap_addr): New function.
162 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
163 (last_from, last_to): Declare.
164
165Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
166
167 * d10v_sim.h (struct d10v_memory): Define. Support very long
168 memories.
169 (struct _state): Replace imem, dmem and umem by mem.
170 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
171 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
172
173 * interp.c (map_memory): New function.
174 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
175 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
176 (IMEM_SIZEDMEM_SIZE): Delete.
177
178Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
179
180 * interp.c: Include "sim-d10v.h".
181 (imap_register, set_imap_register, dmap_register,
182 set_dmap_register, spi_register, spu_register, set_spi_register,
183 set_spu_register): New functions.
184 (sim_create_inferior): Update.
185 (sim_fetch_register, sim_store_register): Rewrite. Use enums
186 defined in sim-d10v.h.
187
188 * d10v_sim.h (DEBUG_MEMORY): Define.
189 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
190
191Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
192
193 * interp.c (sim_open): Allow a debug value to be passed to the -t
194 option.
195 (lookup_hash): Don't exit on an illegal instruction.
196 (do_long, do_2_short, do_parallel): Check for failed instruction
197 lookup.
198
5c44784c
JM
199Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
200
201 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 202 message.
5c44784c 203
c2c6d25f
JM
2041999-09-14 Nick Clifton <nickc@cygnus.com>
205
206 * simops.c: Disable setting of DM bit in PSW.
207
cff3e48b
JM
208Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
209
210 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
211 (trace_input_func): Added support for OP_MEMREF3.
212 (OP_32010000): New instruction ld.
213 (OP_33010000): New instruction ld2w.
214 (OP_5209): New instruction sac.
215 (OP_4209): New instruction sachi.
216 (OP_3220): New instruction slae.
217 (OP_36010000): New instruction st.
218 (OP_37010000): New instruction st2w.
219
2201999-09-09 Stan Shebs <shebs@andros.cygnus.com>
221
222 * interp.c (old_segment_mapping): New global.
223 (xfer_mem): Change the default segment mapping to be the way
224 that Mitsubishi prefers, but use the previous mapping if
225 old_segment_mapping is true.
226 (sim_open): Add an option -oldseg to get the old mapping.
227 (sim_create_inferior): Init mapping registers based on the
228 value of old_segment_mapping.
229
d4f3574e
SS
2301999-09-07 Nick Clifton <nickc@cygnus.com>
231
232 * simops.c (OP_6601): Do not write back decremented address if
233 either of the destination registers was the same as the address
234 register.
235 (OP_6201): Do not write back incremented address if either of the
236 destination registers was the same as the address register.
237
238Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
239
240 * configure: Regenerated to track ../common/aclocal.m4 changes.
241
cd0fc7c3
SS
2421999-05-08 Felix Lee <flee@cygnus.com>
243
244 * configure: Regenerated to track ../common/aclocal.m4 changes.
245
7a292a7a
SS
2461999-04-02 Keith Seitz <keiths@cygnus.com>
247
248 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
249 defined).
250 (sim_resume): If the counter has expired, call the ui_loop_hook,
251 if defined.
252 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
253 ui_loop_hook calls.
254 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
255
256Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
257
258 * simops.c: If load instruction with auto increment/decrement
259 addressing is used when the destination register is the same as
260 the address register, then ignore the auto increment/decrement.
261
262Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
263
264 * simops.c (OP_5F00): Ifdef SYS_stat case because
265 not all systems have it defined.
266
c906108c
SS
2671999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
268
269 * simops.c (OP_5607): Correct saturation comparison/assignment.
270 (OP_1201, OP_1203, OP_17001200, OP_17001202,
271 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
272 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
273
2741999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
275
276 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
277 comparison.
278 (OP_5607): Ditto.
279 (OP_2A00): Ditto.
280 (OP_2800): Ditto.
281
2821999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
283
284 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
285 comparison.
286
287Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
288
289 * simops.c (sys/syscall.h): Include targ-vals.h instead.
290 (SYS_*): Replace with TARGET_SYS_*.
291
292 * Makefile.in: Add dependency on targ-vals.h.
293 (NL_TARGET): Define as NL_TARGET_d10v.
294
295Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
296
297 * interp.c (xfer_mem): Missing break, instruction memory case
298 flowed into unified memory case.
299
300Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
301
302 * simops.c: If load instruction with auto increment/decrement
303 addressing is used when the destination register is the same as
304 the address register, then ignore the auto increment/decrement.
305
306Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
307
308 * configure: Regenerated to track ../common/aclocal.m4 changes.
309
310Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
311
312 * configure: Regenerated to track ../common/aclocal.m4 changes.
313 * config.in: Ditto.
314
315Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
316
317 * acconfig.h: New file.
318 * configure.in: Reverted change of Apr 24; use sinclude again.
319
320Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
321
322 * configure: Regenerated to track ../common/aclocal.m4 changes.
323 * config.in: Ditto.
324
325Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
326
327 * configure.in: Don't call sinclude.
328
329Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
330
331 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
332
333 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
334
335Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
336
337 * configure: Regenerated to track ../common/aclocal.m4 changes.
338
339Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
340
341 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
342 up-to-date CR value.
343 (OP_OP_1000000, add3): Trace inputs before performing add.
344 (OP_5F00, <*>): Trace input registers before making system call.
345 (OP_5F00, <kill>): Trace R0, R1 not REGn.
346 (OP_5F00, <getpid>): Always return 47.
347
348 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
349 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
350 back slots.
351 (struct _state): Add struct slot slot to global state variable.
352 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
353 F0, F1, C from global State variable.
354 (struct _state): Add struct trace to global State variable.
355 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
356 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
357 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
358 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
359 (JMP): Re-implement. Use SET_* to update registers.
360
361 * interp.c: Use new SET_* et.al. macros to fetch / store
362 registers.
363 (get_operands): Squirrel away trace values at start of each
364 operand decode.
365 (do_2_short): Flush pending writes before issuing second
366 instruction.
367 (sim_resume): Flush pending writes at end of instruction cycle.
368 (sim_fetch_register, sim_store_register, sim_create_inferior):
369 After scheduling updates to registers using SET_*, flush updates.
370 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
371 that each sets pc using SET_* and last SET_* eventually winds out.
372
373 * simops.c: Use new SET_* et.al. macros to fetch / store
374 registers.
375 (move_to_cr): Add MASK argument for selective update of CREG bits.
376 Re-implement using new SET_* macros.
377 (trace_output_func, trace_output): Delete. Replace with.
378 (do_trace_output_flush, trace_output_finish, trace_output_40,
379 trace_output_32, trace_output_16, trace_output_void,
380 trace_output_flag): New functions. Handle specific trace cases.
381 (OP_*): Re-write tracing to use new trace_output_* functions.
382 (OP_*): Re-write to use new SET_* et.al. macros.
383 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
384 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
385
386Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
387
388 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
389 configure: Re-generate.
390
391Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
392
393 * configure: Regenerated to track ../common/aclocal.m4 changes.
394
395Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
396
397 * configure: Regenerated to track ../common/aclocal.m4 changes.
398
399Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
400
401 * configure: Regenerated to track ../common/aclocal.m4 changes.
402
403Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
404
405 * interp.c (sim_store_register, sim_fetch_register): Pass in
406 length parameter. Return -1.
407
408Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
409
410 * (dmem_addr): If address is illegal or in I/O space, signal a bus
411 error. Allocate unified memory on demand. Fix DMEM address
412 calculations.
413
414Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
415
416 * simops.c (OP_5F20): Implement "dbt".
417 (OP_5F60): Implement "rtd".
418
419 * d10v_sim.h (DPC_CR): Define enum.
420 (DBT_VECTOR_START): Define
421 (DPSW, DPC): Define.
422
423Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
424
425 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
426 to PSW:SM.
427
428 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
429 (SP_IDX): Define.
430
431Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
432
433 * simops.c (OP_5F00): Call error instead of abort for unknown
434 syscalls.
435
436 * d10v_sim.h (enum): Define DPSW_CR.
437
438 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
439
440Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
441
442 * interp.c (sim_write_phys): Delete.
443 (sim_load): Call sim_load_file with sim_write and LMA.
444
445Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
446
447 * interp.c: Rewrite xfer_mem so that it translates addresses as -
448 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
449 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
450 memory.
451 (pc_addr): Delete.
452 (imem_addr): New function - translate IMEM address.
453 (sim_resume): Use imem_addr to translate insn address, abort if
454 translation failed.
455 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
456 argc/argv using r0/r1 not r2/r3.
457 (sim_size): Do not initialize IMAP/DMAP here.
458 (sim_open): Call sim_create_inferior and sim_size to initialize
459 the system.
460 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
461 defaults.
462 (init_system): Delete.
463 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
464 init_system.
465 (decode_pc): Check prog_bfd is defined before looking up .text
466 section.
467
468Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
469
470 * configure: Regenerated to track ../common/aclocal.m4 changes.
471
472Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
473
474 * configure: Regenerated to track ../common/aclocal.m4 changes.
475
476Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
477
478 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
479
480Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
481
482 * d10v_sim.h (DEBUG_TRAP): New debug flag.
483
484 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
485 printing the registers.
486
487Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
488
489 * simops.c (op_types): New ABI, args are r0..r3, system call # is
490 in r4.
491 (trace_{in,out}put_func): Ditto.
492 (OP_4900): Ditto.
493 (OP_24800000): Ditto.
494 (OP_4D00): Ditto.
495 (OP_5F00): Ditto.
496
497Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
498
499 * interp.c (UMEM_SEGMENTS): New define, set to 128.
500 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
501 (sim_close): Reset prog_bfd to NULL after closing it. Also
502 reset prog_bfd_was_opened_p after closing prog_bfd.
503 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
504 (sim_create_inferior): Get start address from abfd not prog_bfd.
505 (xfer_mem): Do bounds checking on addresses and return zero length
506 read/write on bad addresses, rather than aborting. Prepare to
507 be able to handle xfers that cross segment boundaries, but not
508 yet implemented. Only emit debug message when d10v_debug is
509 set as well as DEBUG being defined.
510
511Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
512
513 * configure: Regenerated to track ../common/aclocal.m4 changes.
514
515Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
516
517 * configure: Regenerated to track ../common/aclocal.m4 changes.
518 * config.in: Ditto.
519
520Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
521
522 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
523 (BPSW): Ditto for BPSW_CR and not PSW_CR.
524
525 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
526
527Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
528
529 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
530 reserved trap from 0 to 15. Add trap emulation code for 0-14.
531
532 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
533 IBA for SDBT.
534
535 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
536 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
537
538 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
539 use move_to_cr.
540 (OP_5F00): For "trap", update BPSW with move_to_cr.
541
542Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
543
544 * d10v_sim.h (enum): Enumerate CR register names.
545 (enum): Enumerate PSW bit values.
546 (PSW): Obtain value uing move_from_cr.
547 (MOD_S, MOD_E, BPSW): Make r-values.
548 (move_from_cr, move_to_cr): Declare functions.
549
550 * interp.c (sim_fetch_register, sim_store_register): Use
551 move_from_cr and move_to_cr for CR register transfers.
552
553 * simops.c (move_from_cr, move_to_cr): New functions.
554 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
555 (OP_5600): For "mvtc", use function move_to_cr.
556 (OP_5200): For "mvfc", use function move_from_cr.
557
558Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
559
560 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
561 LSbit is zero.
562
563Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
564
565 * configure: Regenerated to track ../common/aclocal.m4 changes.
566
567Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
568
569 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
570
571 * simops.c (OP_5600): For "mvtc", save PSW.DM.
572 (OP_5200): Ditto for "mvfc".
573
574Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
575
576 * d10v_sim.h (SEXT56): Define.
577
578 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
579 it is shifted.
580
581 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
582 SIGNED64 macro.
583
584Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
585
586 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
587 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
588 don't match enum values.
589
590Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
591
592 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
593 bit rather than 16 bit precision.
594 (OP_3C00): For "mulxu", store unsigned product in ACC.
595 (OP_3800): For "msbu", subtract unsigned product from ACC,
596 (OP_0): For "sub", compute carry by comparing inputs.
597
598Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
599
600 * simops.c (OP_1000): For "sub2w", compute carry by comparing
601 inputs.
602
603Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
604
605 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
606 carry indicated by value > 0xffff.
607
608Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
609
610 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
611 handled by client.
612 (sim_resume): Fix race condition of a direct assignment to
613 stop_simulator, conditionally call sim_stop.
614 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
615 stop_simulator ready for next sim_resume call.
616 (sim_ctrl_c): Delete function.
617
618Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
619
620 * interp.c (sim_resume): For "REP", only check/update the PC when
621 a branch instruction has not been executed.
622
623Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
624
625 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
626 extend bit 44 all constants.
627 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
628
629Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
630
631 * d10v_sim.h: Include sim-types.h.
632 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
633 using unsigned8 et.al. from sim-types.h.
634 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
635 SIGNED64 macro.
636
637Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
638
639 * interp.c (sim_write_phys): New function, write to physical
640 instead of virtual memory.
641
642 * interp.c (sim_load): Pass lma_p and sim_write_phys to
643 sim_load_file.
644
645Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
646
647 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
648 exception generation code to OP_6E01.
649 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
650 generation code.
651
652Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
653
654 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
655 (OP_6601): Ditto.
656
657Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
658
659 * configure: Regenerated to track ../common/aclocal.m4 changes.
660
661Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
662
663 * interp.c (pc_addr): Discard upper bit(s) of PC in case
664 IMAP1 selects unified memory.
665 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
666 for end condition.
667
668Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
669
670 * configure: Regenerated to track ../common/aclocal.m4 changes.
671
672Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
673
674 * configure: Regenerated to track ../common/aclocal.m4 changes.
675
676Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
677
678 * configure: Regenerated to track ../common/aclocal.m4 changes.
679
680Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
681
682 * configure: Regenerated to track ../common/aclocal.m4 changes.
683
684Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
685
686 * configure: Regenerated to track ../common/aclocal.m4 changes.
687
688Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
689
690 * interp.c (sim_resume): Increment PC at end of rep
691 loop.
692
693 * simops.c (OP_4201): Fix rachi instruction.
694
695Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
696
697 * configure: Regenerated to track ../common/aclocal.m4 changes.
698
699Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
700
701 * configure: Regenerated to track ../common/aclocal.m4 changes.
702 * config.in: Ditto.
703
704Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
705
706 * interp.c (sim_kill): Delete.
707 (sim_create_inferior): Add ABFD argument.
708 (sim_load): Move setting of PC from here.
709 (sim_create_inferior): To here.
710 (start_address): Delete variable.
711
712Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
713
714 * configure: Regenerated to track ../common/aclocal.m4 changes.
715 * config.in: Ditto.
716
717Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
718
719 * interp.c (sim_open): Add ABFD argument.
720
721Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
722
723 * interp.c (sim_open): Add callback argument.
724 (sim_set_callbacks): Remove SIM_DESC argument.
725
726Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
727
728 * configure: Regenerated to track ../common/aclocal.m4 changes.
729
730Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
731
732 * interp.c (sim_open): Undo patch to add -E support.
733
734Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
735
736 * interp.c (sim_stop): New function.
737
738Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
739
740 * Makefile.in (SIM_OBJS): Add sim-load.o.
741 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
742 * interp.c: #include bfd.h.
743 (myname, sim_kind, start_address): New static locals.
744 (prog_bfd_was_opened_p, prog_bfd): New static locals.
745 (decode_pc): Update to use prog_bfd.
746 (sim_open): Set sim_kind, myname. Ignore -E arg.
747 (sim_close): Close prog_bfd if simulator opened it.
748 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
749 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
750 Call sim_load_file to load file into simulator.
751 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
752
753Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
754
755 * simops.c (OP_5F00): Only provide system calls SYS_execv,
756 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
757
758Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
759
760 * configure: Regenerated to track ../common/aclocal.m4 changes.
761 * config.in: Ditto.
762
763Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
764
765 * interp.c (sim_open): New arg `kind'.
766
767 * configure: Regenerated to track ../common/aclocal.m4 changes.
768
769Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
770
771 * configure: Regenerated to track ../common/aclocal.m4 changes.
772
773Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
774
775 * configure: Re-generate.
776
777Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
778
779 * configure: Regenerate to track ../common/aclocal.m4 changes.
780
781 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
782 as trap 0, which will be deprecated. Only set errno, if an error
783 in fact was returned.
784
785Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
786
787 * interp.c: Delete redundant prototypes of sim_foo fns.
788 (sim_open): New SIM_DESC result. Argument is now in argv form.
789 (other sim_*): New SIM_DESC argument.
790
791Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
792
793 * simops.c (trace_{input,output}_func): Call flush_stdout from the
794 callback functions.
795 (OP_5F00): Ditto.
796 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
797 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
798 setting the carry bit after an add or a subtract.
799
800Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
801
802 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
803 40 bits of accumulators. Sign/zero extend as appropriate.
804
805Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
806
807 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
808 COMMON_{PRE,POST}_CONFIG_FRAG instead.
809 * configure.in: sinclude ../common/aclocal.m4.
810 * configure: Regenerated.
811
812Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
813
814 * configure configure.in Makefile.in: Update to new configure
815 scheme which is more compatible with WinGDB builds.
816 * configure.in: Improve comment on how to run autoconf.
817 * configure: Re-run autoconf to get new ../common/aclocal.m4.
818 * Makefile.in: Use autoconf substitution to install common
819 makefile fragment.
820
821Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
822
823 * gencode.c: patch to not #include "d10v_sim.h" which
824 unecessarily includes bfd.h and causes wingdb configure
825 to fail.
826
827Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
828
829 * interp.c (xfer_mem): Change unified memory to 0x0.
830
831Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
832
833 * simops.c (OP_3E01): Fix tracing information.
834 (OP_300{0,1}): Do not propigate sign.
835
836Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
837
838 * config.in (WORDS_BIGENDIAN): Add.
839 * configure: Regenerated.
840 * d10v_sim.h: #include "config.h"
841
842Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
843
844 * gencode.c (write_opcodes): Eliminate warnings when generated
845 table.c is compiled.
846
847Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
848
849 * interp.c (sim_open): Cast result of calloc, and make sure NULL
850 was not returned.
851 (dmem_addr): If address is illegal or in I/O space, signal a bus
852 error.
853 (pc_addr): Signal bus error, not illegal instruction for bogus
854 pc.
855
856Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
857
858 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
859 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
860 * configure.in: Simplify using macros in ../common/aclocal.m4.
861 Call AC_CHECK_HEADERS(unistd.h).
862 * configure: Regenerated.
863 * config.in: New file.
864 * interp.c: #include "callback.h".
865 * simops.c: #include "config.h". #include <unistd.h> if present.
866
867Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
868
869 * d10v-sim.h (simops): Add flag is_long.
870 (State): Add pc_changed. Instructions which update the PC should
871 use the JMP macro which sets this.
872 (JMP): New macro. Sets the PC and the pc_changed flag.
873
874 * gencode.c (write_opcodes): Add is_long field.
875
876 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
877 to a long opcode we could get a false match. Check the opcode size.
878 (hash): Add a size field to the hash table.
879 (sim_open): Initialize size field in hash table.
880 (sim_resume): Change to logic for setting the PC. Used to increment the
881 PC if it had not been changed. This didn't allow single-instruction loops.
882 Now checks the flag State.pc_changed. Also now stops when ^C is received.
883 (dmem_addr): Fix translation of data segments to unified memory.
884 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
885
886 * simops.c: Changed all branch and jump instructions to use new JMP macro.
887 (OP_20000000): Corrected trace information to show this is a ldi.l, not
888 a ldi.s instruction.
889
890Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
891
892 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
893 updating the accumulators was overwriting other parts of the global
894 State variable.
895
896Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
897
898 * interp.c (bfd.h) Don't include it here any more.
899 (text{,_start,_end}): Move here from simops.c and make extern.
900 (decode_pc): New function to return the PC as an address that the
901 debugger can use.
902 (dmem_addr): Print decoded PC in error message.
903 (pc_addr): Ditto.
904
905 * simops.c (bfd.h) Don't include it here any more.
906 (text{,_start,_end}): Move to simops.c.
907 (trace_input_func): Move decoding of PC, and looking up .text
908 start to decode_pc.
909
910 * d10v_sim.h (bfd.h): Include it here.
911 (text{,_start,_end}): Add external declarations.
912 (exec_bfd): Ditto.
913 (decode_pc): Ditto.
914
915Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
916
917 * interp.c (sim_size): Now allocates unified memory for imap segments
918 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
919 (sim_write): Just call xfer_mem().
920 (sim_read): Just call xfer_mem().
921 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
922 (dmem_addr): New function. Reads dmap register and translates data
923 addresses to local addresses.
924 (pc_addr): New function. Reads imap register and computes local address
925 corresponding to contents of the PC.
926 (sim_resume): Change to use pc_addr().
927 (sim_create_inferior): Change reinitialization code. Also reinitializes
928 imap[01] and dmap.
929 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
930 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
931
932 * simops.c (MEMPTR): Redefine to use dmem_addr().
933 (OP_5F00): Replace references to STate.imem with dmem_addr().
934
935 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
936 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
937 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
938
939Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
940
941 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
942 better statistics, like not counting NOPS as parallel
943 instructions, and printing total cycles.
944 (ins_type_counters): Make unsigned long.
945 (left_nops,right_nops): Fold into ins_type_counters.
946
947 * simops.c (trace_input_func): Print new instruction types.
948 Handle OP_R2R3 as input types.
949 (OP_{38000000,7000}): Correctly sign extend bytes.
950 (OP_5E00): Don't count NOPs as parallel instructions.
951 (OP_460B): Remove unused variable.
952 (OP_5F00): Ditto.
953
954 * interp.c (ins_type_counters): Make unsigned long.
955 (left_nops,right_nops): Delete.
956 (most functions): Add prototypes.
957 (INLINE): If GCC and optimize define as __inline__.
958 ({,lookup_}hash,get_operands): Declare as INLINE.
959 (do_parallel): Count conditional operations.
960 (add_commas): New function, to add commas every 3 digits.
961 (sim_size): Call add_commas to print numbers.
962 (sim_{open,resume}): Delete unused variables.
963 (sim_info): Provide better statistics.
964 (sim_read): Add int return type.
965
966Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
967
968 * interp.c (sim_resume): Change the way single-stepping and exceptions
969 are handled so single-stepping works again.
970
971Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
972
973 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
974 endian hosts.
975
976 * configure.in (--enable-sim-bswap): New switch to enable using
977 the BSWAP instruction on x86's.
978 * configure: Regenerate.
979
980 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
981 support.
982
983Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
984
985 * endian.c: New file. Move endian functions here from interp.c.
986 Optimize code, and make it work as either inline functions or as a
987 separate file.
988
989 * interp.c: Move endian functions from here to endian.c.
990
991 * Makefile.in (INCLUDE): Add endian.c.
992 (run,libsim.a): Add dependency on endian.o.
993 (endian.o): Add dependency.
994
995 * d10v_sim.h (read/write support): Always go through the machine
996 independent endian functions. If compiling with GCC and
997 optimizing, include endian.c so the endian functions are inlined.
998
999 * simops.c (OP_5F00): Correct tracing of accumulators.
1000
1001Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1002
1003 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1004
1005 * interp.c (do_{2_short,parallel}): If an exception is raised,
1006 don't execute the second instruction.
1007
1008Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1009
1010 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1011 temporary in case the register is overriden when loading.
1012 (OP_6200): Output type is OP_DREG for tracing.
1013
1014Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1015
1016 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1017
1018 * interp.c (sim_size): Initialize mem_{min,max} fields.
1019 (sim_write): Update mem_{min,max} fields.
1020 (sim_resume): If PC is not in the minimum/maximum memory range,
1021 abort.
1022 (sim_create_inferior): Preserve mem_{min,max} fields.
1023
1024Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1025
1026 * simops.c (OP_5F00): Add support for time() system call.
1027
1028Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1029
1030 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1031 stored if tracing.
1032 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1033 system calls.
1034
1035Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1036
1037 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1038 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1039 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1040 to call/subroutine returns to trace the first two arguments and
1041 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1042
1043Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1044
1045 * interp.c (sim_create_inferior): Reinitialize State every time
1046 sim_create_inferior() is called.
1047
1048Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1049
1050 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1051 on comparisons.
1052 (OP_401): Fix tracing information.
1053
1054Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1055
1056 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1057 (trace_input_func): Use them.
1058 (trace_input_func): Make sure there is a trailing space after the
1059 instruction.
1060 (OP_6200): Fix tracing info.
1061
1062 * Makefile.in (run): Add dependencies on libbfd.a and
1063 libiberity.a.
1064
1065Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1066
1067 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1068 numbers and function names in debug trace.
1069 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1070 DEBUG_LINE_NUMBER.
1071 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1072 and exit system call trap being executed.
1073
1074 * interp.c (sim_stop_reason): Set exit code correctly for stop
1075 instruction and exit system call trap.
1076
1077 * configure.in (--enable-sim-cflags): Remove trace case.
1078 (--enable-sim-debug): New switch to set the debug values.
1079 * configure: Regenerate.
1080
1081 * simops.c (trace_{input,output}_func): Rename from
1082 trace_{input,output}.
1083 (trace_{input,output}): Call trace_{input,output}_func if
1084 d10v_debug is non-zero.
1085 (SIZE_INSTRUCTION): Cut down to 8.
1086 (SIZE_OPERANDS): Cut down to 18.
1087 (SIZE_LOCATION): New value for size of line number, function name
1088 field.
1089 (init_text_p,text{,_start,_end}): New static variables for
1090 printing line number and function name.
1091 (exec_bfd): New external that run.c sets.
1092 (trace_input_func): Print line number and function name if
1093 available and if desired.
1094 (OP_4E09): Don't print out DBT message.
1095 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1096 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1097
1098Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1099
1100 * interp.c (do_2_short): If the instruction encodes jump->ins,
1101 don't do the second instruction if the jump succeeds.
1102
1103Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1104
1105 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1106 accumulators, PC, and F0/F1/C flags.
1107
1108Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1109
1110 * simops.c (OP_5F00): Fix problems with system calls.
1111
1112Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1113
1114 * simops.c (OP_5F00): Correct tracing information for trap.
1115
1116Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1117
1118 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1119
1120Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1121
1122 * simops.c (trace_output): Properly align accumulator output.
1123 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1124 if shift count is too high.
1125 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1126 (OP_4E09): Make cpfg properly trace the input flags.
1127 (op_types): Add OP_FLAG_OUTPUT.
1128 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1129 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1130 an 8-bit memory reference instruction for tracing purposes.
1131 (OP_201): Addi needs to set the carry.
1132
1133Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1134
1135 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1136 to use signed register values.
1137
1138Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1139
1140 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1141 output.
1142 (_ins_type): New enumeration to specify which container an
1143 instruction is in, and whether it is part of a parallel operation.
1144 (_state): Add ins_type field.
1145 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1146 (ins_type_counters): Counters for the various instruction types.
1147 ({left,right}_nops): Counters for the number of nops in each
1148 container.
1149 (d10v_debug): New variable to indicate whether debugging is turned
1150 on.
1151
1152 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1153 the input and output values can be traced, along with the
1154 instruction type. Make the -t option enable tracing.
1155 (all functions): Change printf calls to use the printf_filtered
1156 function in the callback table.
1157
1158 * interp.c (_leftright): New enumeration to say whether 2 short
1159 instructions are done left first or right first.
1160 (do_{long,2_short,parallel}): Indicate in the machine state which
1161 type of instruction this is. Count each of the types of
1162 instructions executed.
1163 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1164 flag is set.
1165 (sim_resume): Pass left/right indication to do_2_short.
1166 (all functions): Change printf calls to use the printf_filtered
1167 function in the callback table.
1168 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1169 sim_resume.
1170 (sim_info): Print out statistics on instructions.
1171 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1172 debugging.
1173 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1174 Only initialize the hash table the first time sim_open is called.
1175
1176 * Makefile.in: Make objects depend on d10v_sim.h.
1177 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1178 CFLAGS does not override host/target defines or SIM_CFLAGS.
1179 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1180 (run): By default, the math library is not needed to be linked
1181 in.
1182 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1183 overridden.
1184 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1185 makes.
1186 ({run,callback}.o): Provide explicit paths to their appropriate
1187 source directories.
1188 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1189 and linking. Instead of linking in libopcodes.a, just compile
1190 d10v-opc.o directly to handle canadian cross.
1191 (CSEARCH): Add opcodes directory.
1192
1193 * configure.in (--enable-sim-cflags): New switch to allow user to
1194 set the defaults.
1195 (CC_FOR_BUILD): Deal with canadian crosses.
1196 * configure: Regenerate.
1197
1198Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1199
1200 * simops.c: Include correct syscall.h for d10v, not host's.
1201 Fix #ifdef SYS_stat.
1202
1203Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1204
1205 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1206 Add trap 2 to be printf and trap 3 to be putchar.
1207
1208Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1209
1210 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1211 for low-level system calls.
1212
1213Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1214
1215 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1216
1217Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1218
1219 * d10v_sim.h (SEXT32): Added.
1220 * interp.c: Commented out printfs.
1221 * simops.c: Fixed error in sb and st2w.
1222
1223Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1224
1225 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1226 DSP instructions. Added modulo addressing.
1227
1228Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1229
1230 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1231
1232Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1233
1234 * d10v_sim.h, simops.c: Snapshot.
1235
1236Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1237
1238 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1239 gencode.c, interp.c, simops.c: Created.
1240