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* am33.igen: Detect cases where two operands must not match in
[thirdparty/binutils-gdb.git] / sim / mn10300 / ChangeLog
1 start-sanitize-am33
2 Mon Jul 27 12:04:17 1998 Jeffrey A Law (law@cygnus.com)
3
4 * am33.igen: Detect cases where two operands must not match in
5 non-DSP instructions.
6
7 end-sanitize-am33
8 Fri Jul 24 18:15:21 1998 Joyce Janczyn <janczyn@cygnus.com>
9
10 * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
11 (syscall_read_mem, syscall_write_mem): New functions for syscall
12 callbacks.
13 * mn10300_sim.h: Add prototypes for syscall_read_mem and
14 syscall_write_mem.
15 * mn10300.igen: Change C++ style comments to C style comments.
16 Check for divide by zero in div and divu ops.
17
18 start-sanitize-am33
19 Fri Jul 24 12:49:28 1998 Jeffrey A Law (law@cygnus.com)
20
21 * am33.igen (translate_xreg): New function. Use it as needed.
22
23 Thu Jul 23 10:05:28 1998 Jeffrey A Law (law@cygnus.com)
24
25 * am33.igen: Add some missing instructions.
26
27 * am33.igen: Autoincrement loads/store fixes.
28
29 Tue Jul 21 09:48:14 1998 Jeffrey A Law (law@cygnus.com)
30
31 * am33.igen: Add mov_lCC DSP instructions.
32
33 * am33.igen: Add most am33 DSP instructions.
34
35 end-sanitize-am33
36 Thu Jul 9 10:06:55 1998 Jeffrey A Law (law@cygnus.com)
37
38 * mn10300.igen: Fix Z bit for addc and subc instructions.
39 Minor fixes in multiply/divide patterns.
40
41 start-sanitize-am33
42 * am33.igen: Add missing mul[u] imm32,Rn. Fix condition code
43 handling for many instructions. Fix sign extension for some
44 24bit immediates.
45
46 * am33.igen: Fix Z bit for remaining addc/subc instructions.
47 Do not sign extend immediate for mov imm,XRn.
48 More random mul, mac & div fixes.
49 Remove some unused variables.
50 Sign extend 24bit displacement in memory addresses.
51
52 * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn. Various
53 fixes to 2 register multiply, divide and mac instructions. Set
54 Z,N correctly for sat16. Sign extend 24 bit immediate for add,
55 and sub instructions.
56
57 * am33.igen: Add remaining non-DSP instructions.
58 end-sanitize-am33
59
60 start-sanitize-am33
61 Wed Jul 8 16:29:12 1998 Jeffrey A Law (law@cygnus.com)
62
63 * am33.igen (translate_rreg): New function. Use it as appropriate.
64
65 * am33.igen: More am33 instructions. Fix "div".
66
67 Mon Jul 6 15:39:22 1998 Jeffrey A Law (law@cygnus.com)
68
69 * mn10300.igen: Add am33 support.
70
71 * Makefile.in: Use multi-sim to support both a mn10300 and am33
72 simulator.
73
74 * am33.igen: Add many more am33 instructions.
75
76 end-sanitize-am33
77 Wed Jul 1 17:07:09 1998 Jeffrey A Law (law@cygnus.com)
78
79 * mn10300_sim.h (FETCH24): Define.
80
81 start-sanitize-am33
82 * mn10300_sim.h: Add defines for some registers found on the AM33.
83 * am33.igen: New file with some am33 support.
84 end-sanitize-am33
85
86 Tue Jun 30 11:23:20 1998 Jeffrey A Law (law@cygnus.com)
87
88 * mn10300_sim.h: Include bfd.h
89 (struct state): Add more room for processor specific registers.
90 start-sanitize-am33
91 (REG_E0): Define.
92 end-sanitize-am33
93
94 start-sanitize-am30
95 Thu Jun 25 10:12:03 1998 Joyce Janczyn <janczyn@cygnus.com>
96
97 * dv-mn103tim.c: Include sim-assert.h
98 * dv-mn103ser.c (do_polling_event): Check for incoming data on
99 serial line and schedule next polling event.
100 (read_status_reg): schedule events to check for incoming data on
101 serial line and issue interrupt if necessary.
102
103 Fri Jun 19 16:47:27 1998 Joyce Janczyn <janczyn@cygnus.com>
104
105 * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
106
107 Fri Jun 19 11:59:26 1998 Joyce Janczyn <janczyn@cygnus.com>
108
109 * interp.c (board): Rename am32 to stdeval1 as this is the name
110 consistently used to refer to the mn1030002 board.
111
112 Thu June 18 14:37:14 1998 Joyce Janczyn <janczyn@cygnus.com>
113 * interp.c (sim_open): Fix typo in address of EXTMD register
114 (0x34000280, not 0x3400280).
115
116 end-sanitize-am30
117 Wed Jun 17 18:00:18 1998 Jeffrey A Law (law@cygnus.com)
118
119 * simops.c (syscall): Handle change in opcode # for syscall.
120 * mn10300.igen (syscall): Likewise.
121
122 start-sanitize-am30
123 Tue June 16 09:36:21 1998 Joyce Janczyn <janczyn@cygnus.com>
124 * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
125 reset) are not enabled on reset.
126
127 Sun June 14 17:04:00 1998 Joyce Janczyn <janczyn@cygnus.com>
128 * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
129 register bits.
130 * dv-mn103ser.c: Fill in methods for reading and writing to serial
131 device registers.
132 * interp.c (sim_open): Make the serial device a polling device.
133
134 Fri June 12 16:24:00 1998 Joyce Janczyn <janczyn@cygnus.com>
135 * dv-mn103iop.c: New file for handling am32 io ports.
136 * configure.in: Add mn103iop to hw_device list.
137 * configure: Re-generate.
138 * interp.c (sim_open): Create io port device.
139
140 Wed June 10 14:34:00 1998 Joyce Janczyn <janczyn@cygnus.com>
141 * dv-mn103int.c (external_group): Use enumerated types to access
142 correct group addresses.
143 * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
144 triggers an interrupt on the higher-numbered timer's port.
145
146 end-sanitize-am30
147 Mon June 8 13:30:00 1998 Joyce Janczyn <janczyn@cygnus.com>
148 * interp.c: (mn10300_option_handler): New function parses arguments
149 using sim-options.
150 start-sanitize-am30
151 * (board): Add --board option for specifying am32.
152 * (sim_open): Create new timer and serial devices and control
153 configuration of other am32 devices via board option.
154 * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
155 * dv-mn103cpu.c: Fix typos in opening comments.
156 * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
157 * configure.in: Add mn103tim and mn103ser to hw_device list.
158 * configure: Re-generate.
159 end-sanitize-am30
160
161 start-sanitize-am30
162 Mon May 25 20:50:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
163
164 * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
165
166 * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
167 sim-main.h. Declare a struct hw_descriptor instead of struct
168 hw_device_descriptor.
169
170 Mon May 25 17:33:33 1998 Andrew Cagney <cagney@b1.cygnus.com>
171
172 * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
173 to struct hw_event.
174
175 Fri May 22 12:17:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
176
177 * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
178
179 Wed May 6 13:29:06 1998 Andrew Cagney <cagney@b1.cygnus.com>
180
181 * interp.c (sim_open): Create a polling PAL device.
182
183 end-sanitize-am30
184 Fri May 1 16:39:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
185
186 * dv-mn103int.c (mn103int_port_event):
187 (mn103int_port_event):
188 (mn103int_io_read_buffer):
189 (mn103int_io_write_buffer):
190
191 * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
192 (mn103cpu_port_event): Ditto.
193 (mn103cpu_io_read_buffer): Ditto.
194 (mn103cpu_io_write_buffer): Ditto.
195
196 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
197
198 * configure: Regenerated to track ../common/aclocal.m4 changes.
199
200 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
201
202 * configure: Regenerated to track ../common/aclocal.m4 changes.
203 * config.in: Ditto.
204
205 Sun Apr 26 15:19:55 1998 Tom Tromey <tromey@cygnus.com>
206
207 * acconfig.h: New file.
208 * configure.in: Reverted change of Apr 24; use sinclude again.
209
210 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
211
212 * configure: Regenerated to track ../common/aclocal.m4 changes.
213 * config.in: Ditto.
214
215 Fri Apr 24 11:19:07 1998 Tom Tromey <tromey@cygnus.com>
216
217 * configure.in: Don't call sinclude.
218
219 Tue Apr 14 10:03:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
220
221 * mn10300_sim.h: Declare all functions in op_utils.c using
222 INLINE_SIM_MAIN.
223 * op_utils.c: Ditto.
224 * sim-main.c: New file. Include op_utils.c.
225
226 * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
227 differentiate between MOV/CMP immediate/register instructions.
228
229 * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
230 * configure: Regenerate.
231
232 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
233
234 * configure: Regenerated to track ../common/aclocal.m4 changes.
235
236 start-sanitize-am30
237 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
238
239 * interp.c (hw): Delete variable, moved to SIM_DESC.
240 (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
241 Handled by sim-module.
242 (sim_open): Do not anotate tree with trace properties, handled by
243 sim-hw.c
244 (sim_open): Call sim_hw_parse instead of hw_tree_parse.
245
246 * configure: Regenerated to track ../common/aclocal.m4 changes.
247
248 end-sanitize-am30
249 start-sanitize-am30
250 Thu Mar 26 20:46:18 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
251
252 * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Save the entire PC
253 on the stack when delivering interrupts (not just the lower
254 half)...
255 * mn10300.igen (mov (Di,Am),Dn): Fix decode. Registers were
256 specified in the wrong order.
257
258 end-sanitize-am30
259 start-sanitize-am30
260 Fri Mar 27 00:56:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
261
262 * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
263 succeeding interrupts, clear pending_handler when the handler
264 isn't re-scheduled.
265
266 end-sanitize-am30
267 Thu Mar 26 10:11:01 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
268
269 * Makefile.in (tmp-igen): Prefix all usage of move-if-change
270 script with $(SHELL) to make NT native builds happy.
271 * configure: Regenerate because of change to ../common/aclocal.m4.
272
273 Thu Mar 26 11:22:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
274
275 * configure.in: Make --enable-sim-common the default.
276 * configure: Re-generate.
277
278 * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
279 address into Sate.regs[REG_PC] instead of common struct.
280
281 Wed Mar 25 17:42:00 1998 Joyce Janczyn <janczyn@cygnus.com>
282
283 * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
284
285 Wed Mar 25 12:08:00 1998 Joyce Janczyn <janczyn@cygnus.com>
286
287 * simops.c (OP_F0FD): Initialise variable 'sp'.
288
289 start-sanitize-am30
290 Thu Mar 26 00:21:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
291
292 * dv-mn103int.c (decode_group): A group register every 4 bytes not
293 8.
294 (write_icr): Rewrite equation updating request field.
295 (read_iagr): Fix check that interrupt is still pending.
296
297 end-sanitize-am30
298 start-sanitize-am30
299 Wed Mar 25 16:14:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
300
301 * interp.c (sim_open): Tidy up device creation.
302
303 * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
304 value.
305 (mn103int_io_read_buffer): Convert absolute address to register
306 block offsets.
307 (read_icr, write_icr): Convert block offset into group offset.
308
309 end-sanitize-am30
310 Wed Mar 25 15:08:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
311
312 * interp.c (sim_open): Create second 1mb memory region at
313 0x40000000.
314 (sim_open): Create a device tree.
315 (sim-hw.h): Include.
316 start-sanitize-am30
317 (do_interrupt): Delete, needs to use dv-mn103cpu.c
318
319 * dv-mn103int.c, dv-mn103cpu.c: New files.
320 end-sanitize-am30
321
322 Wed Mar 25 08:47:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
323
324 * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
325 Define.
326 (SP): Define.
327
328 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
329
330 * configure: Regenerated to track ../common/aclocal.m4 changes.
331
332 Wed Mar 25 10:24:48 1998 Andrew Cagney <cagney@b1.cygnus.com>
333
334 * interp.c (sim-options.h): Include.
335 (sim_kind, myname): Declare when not using common framework.
336
337 * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
338 functions found in op_utils.c
339
340 * mn10300.igen (add): Discard unused variables.
341
342 * configure, config.in: Re-generate with autoconf 2.12.1.
343
344 Tue Mar 24 15:27:00 1998 Joyce Janczyn <janczyn@cygnus.com>
345
346 Add support for --enable-sim-common option.
347 * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
348 ! --enable-sim-common
349 (WITH_COMMON_OBJS): Files included if --enable-sim-common.
350 (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
351 (SIM_OBJS): Rewrite.
352 ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
353 (SIM_EXTRA_CFLAGS): New variable.
354 (clean-extra): Clean up igen files.
355 (../igen/igen,clean-igen,tmp-igen): New rules.
356 * configure.in: Add support for common framework via
357 --enable-sim-common.
358 * configure: Regenerate.
359 * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
360 (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
361 (init_system,sim_write,compare_simops): Likewise.
362 (sim_set_profile,sim_set_profile_size): Likewise.
363 (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
364 (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
365 (enum interrupt_type): New enum.
366 (interrupt_names): New global.
367 (do_interrupt): New function.
368 (sim_open): Define differently if WITH_COMMON.
369 (sim_close,sim_create_inferior,sim_do_command): Likewise.
370 * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
371 for WITH_COMMON.
372 * mn10300.igen: New file.
373 * mn10300.dc: New file.
374 * op_utils.c: New file.
375 * sim-main.h: New file.
376
377 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
378
379 * configure: Regenerated to track ../common/aclocal.m4 changes.
380
381 Fri Feb 27 18:36:04 1998 Jeffrey A Law (law@cygnus.com)
382
383 * simops.c (inc): Fix typo.
384
385 Wed Feb 25 01:59:29 1998 Jeffrey A Law (law@cygnus.com)
386
387 * simops.c (signed multiply instructions): Cast input operands to
388 signed32 before casting them to signed64 so that the sign bit
389 is propagated properly.
390
391 Mon Feb 23 20:23:19 1998 Mark Alexander <marka@cygnus.com>
392
393 * Makefile.in: Last change was bad. Define NL_TARGET
394 so that targ-vals.h will be used instead of syscall.h.
395 * simops.c: Use targ-vals.h instead of syscall.h.
396 (OP_F020): Disable unsupported system calls.
397
398 Mon Feb 23 09:44:38 1998 Mark Alexander <marka@cygnus.com>
399
400 * Makefile.in: Get header files from libgloss/mn10300/sys.
401
402 Sun Feb 22 16:02:24 1998 Jeffrey A Law (law@cygnus.com)
403
404 * simops.c: Include sim-types.h.
405
406 Wed Feb 18 13:07:08 1998 Jeffrey A Law (law@cygnus.com)
407
408 * simops.c (multiply instructions): Cast input operands to a
409 signed64/unsigned64 type as appropriate.
410
411 Tue Feb 17 12:47:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
412
413 * interp.c (sim_store_register, sim_fetch_register): Pass in
414 length parameter. Return -1.
415
416 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
417
418 * configure: Regenerated to track ../common/aclocal.m4 changes.
419
420 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
421
422 * configure: Regenerated to track ../common/aclocal.m4 changes.
423
424 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
425
426 * configure: Regenerated to track ../common/aclocal.m4 changes.
427
428 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
429
430 * configure: Regenerated to track ../common/aclocal.m4 changes.
431 * config.in: Ditto.
432
433 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
434
435 * configure: Regenerated to track ../common/aclocal.m4 changes.
436
437 Tue Nov 11 10:38:52 1997 Jeffrey A Law (law@cygnus.com)
438
439 * simops.c (call:16 call:32): Stack adjustment is determined solely
440 by the imm8 field.
441
442 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
443
444 * interp.c (sim_load): Pass lma_p and sim_write args to
445 sim_load_file.
446
447 Tue Oct 21 10:12:03 1997 Jeffrey A Law (law@cygnus.com)
448
449 * simops.c: Correctly handle register restores for "ret" and "retf"
450 instructions.
451
452 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
453
454 * configure: Regenerated to track ../common/aclocal.m4 changes.
455
456 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
457
458 * configure: Regenerated to track ../common/aclocal.m4 changes.
459
460 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
461
462 * configure: Regenerated to track ../common/aclocal.m4 changes.
463
464 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
465
466 * configure: Regenerated to track ../common/aclocal.m4 changes.
467
468 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
469
470 * configure: Regenerated to track ../common/aclocal.m4 changes.
471
472 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
473
474 * configure: Regenerated to track ../common/aclocal.m4 changes.
475
476 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
477
478 * configure: Regenerated to track ../common/aclocal.m4 changes.
479
480 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
481
482 * configure: Regenerated to track ../common/aclocal.m4 changes.
483 * config.in: Ditto.
484
485 Tue Aug 26 10:41:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
486
487 * interp.c (sim_kill): Delete.
488 (sim_create_inferior): Add ABFD argument.
489 (sim_load): Move setting of PC from here.
490 (sim_create_inferior): To here.
491
492 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
493
494 * configure: Regenerated to track ../common/aclocal.m4 changes.
495 * config.in: Ditto.
496
497 Mon Aug 25 16:14:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
498
499 * interp.c (sim_open): Add ABFD argument.
500
501 Tue Jun 24 13:46:20 1997 Jeffrey A Law (law@cygnus.com)
502
503 * interp.c (sim_resume): Clear State.exited.
504 (sim_stop_reason): If State.exited is nonzero, then indicate that
505 the simulator exited instead of stopped.
506 * mn10300_sim.h (struct _state): Add exited field.
507 * simops.c (syscall): Set State.exited for SYS_exit.
508
509 Wed Jun 11 22:07:56 1997 Jeffrey A Law (law@cygnus.com)
510
511 * simops.c: Fix thinko in last change.
512
513 Tue Jun 10 12:31:32 1997 Jeffrey A Law (law@cygnus.com)
514
515 * simops.c: "call" stores the callee saved registers into the
516 stack! Update the stack pointer properly when done with
517 register saves.
518
519 * simops.c: Fix return address computation for "call" instructions.
520
521 Thu May 22 01:43:11 1997 Jeffrey A Law (law@cygnus.com)
522
523 * interp.c (sim_open): Fix typo.
524
525 Wed May 21 23:27:58 1997 Jeffrey A Law (law@cygnus.com)
526
527 * interp.c (sim_resume): Add missing case in big switch
528 statement (for extb instruction).
529
530 Tue May 20 17:51:30 1997 Jeffrey A Law (law@cygnus.com)
531
532 * interp.c: Replace all references to load_mem and store_mem
533 with references to load_byte, load_half, load_3_byte, load_word
534 and store_byte, store_half, store_3_byte, store_word.
535 (INLINE): Delete definition.
536 (load_mem_big): Likewise.
537 (max_mem): Make it global.
538 (dispatch): Make this function inline.
539 (load_mem, store_mem): Delete functions.
540 * mn10300_sim.h (INLINE): Define.
541 (RLW): Delete unused definition.
542 (load_mem, store_mem): Delete declarations.
543 (load_mem_big): New definition.
544 (load_byte, load_half, load_3_byte, load_word): New functions.
545 (store_byte, store_half, store_3_byte, store_word): New functions.
546 * simops.c: Replace all references to load_mem and store_mem
547 with references to load_byte, load_half, load_3_byte, load_word
548 and store_byte, store_half, store_3_byte, store_word.
549
550 Tue May 20 10:21:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
551
552 * interp.c (sim_open): Add callback to arguments.
553 (sim_set_callbacks): Delete SIM_DESC argument.
554
555 Mon May 19 13:54:22 1997 Jeffrey A Law (law@cygnus.com)
556
557 * interp.c (dispatch): Make this an inline function.
558
559 * simops.c (syscall): Use callback->write regardless of
560 what file descriptor we're writing too.
561
562 Sun May 18 16:46:31 1997 Jeffrey A Law (law@cygnus.com)
563
564 * interp.c (load_mem_big): Remove function. It's now a macro
565 defined elsewhere.
566 (compare_simops): New function.
567 (sim_open): Sort the Simops table before inserting entries
568 into the hash table.
569 * mn10300_sim.h: Remove unused #defines.
570 (load_mem_big): Define.
571
572 Fri May 16 16:36:17 1997 Jeffrey A Law (law@cygnus.com)
573
574 * interp.c (load_mem): If we get a load from an out of range
575 address, abort.
576 (store_mem): Likewise for stores.
577 (max_mem): New variable.
578
579 Tue May 6 13:24:36 1997 Jeffrey A Law (law@cygnus.com)
580
581 * mn10300_sim.h: Fix ordering of bits in the PSW.
582
583 * interp.c: Improve hashing routine to avoid long list
584 traversals for common instructions. Add HASH_STAT support.
585 Rewrite opcode dispatch code using a big switch instead of
586 cascaded if/else statements. Avoid useless calls to load_mem.
587
588 Mon May 5 18:07:48 1997 Jeffrey A Law (law@cygnus.com)
589
590 * mn10300_sim.h (struct _state): Add space for mdrq register.
591 (REG_MDRQ): Define.
592 * simops.c: Don't abort for trap. Add support for the extended
593 instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
594 and "bsch".
595
596 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
597
598 * configure: Regenerated to track ../common/aclocal.m4 changes.
599
600 Fri Apr 18 14:04:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
601
602 * interp.c (sim_stop): Add stub function.
603
604 Thu Apr 17 03:26:59 1997 Doug Evans <dje@canuck.cygnus.com>
605
606 * Makefile.in (SIM_OBJS): Add sim-load.o.
607 * interp.c (sim_kind, myname): New static locals.
608 (sim_open): Set sim_kind, myname. Ignore -E arg.
609 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
610 load file into simulator. Set start address from bfd.
611 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
612
613 Wed Apr 16 19:30:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
614
615 * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
616 only include if implemented by host.
617 (OP_F020): Typecast arg passed to time function;
618
619 Mon Apr 7 23:57:49 1997 Jeffrey A Law (law@cygnus.com)
620
621 * simops.c (syscall): Handle new mn10300 calling conventions.
622
623 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
624
625 * configure: Regenerated to track ../common/aclocal.m4 changes.
626 * config.in: Ditto.
627
628 Fri Apr 4 20:02:37 1997 Ian Lance Taylor <ian@cygnus.com>
629
630 * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
631 corresponding change in opcodes directory.
632
633 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
634
635 * interp.c (sim_open): New arg `kind'.
636
637 * configure: Regenerated to track ../common/aclocal.m4 changes.
638
639 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
640
641 * configure: Regenerated to track ../common/aclocal.m4 changes.
642
643 Thu Mar 20 11:58:02 1997 Jeffrey A Law (law@cygnus.com)
644
645 * simops.c: Fix register extraction for a two "movbu" variants.
646 Somewhat simplify "sub" instructions.
647 Correctly sign extend operands for "mul". Put the correct
648 half of the result in MDR for "mul" and "mulu".
649 Implement remaining instructions.
650 Tweak opcode for "syscall".
651
652 Tue Mar 18 14:21:21 1997 Jeffrey A Law (law@cygnus.com)
653
654 * simops.c: Do syscall emulation in "syscall" instruction. Add
655 dummy "trap" instruction.
656
657 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
658
659 * configure: Regenerated to track ../common/aclocal.m4 changes.
660
661 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
662
663 * configure: Re-generate.
664
665 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
666
667 * configure: Regenerate to track ../common/aclocal.m4 changes.
668
669 Thu Mar 13 12:54:45 1997 Doug Evans <dje@canuck.cygnus.com>
670
671 * interp.c (sim_open): New SIM_DESC result. Argument is now
672 in argv form.
673 (other sim_*): New SIM_DESC argument.
674
675 Wed Mar 12 15:04:00 1997 Jeffrey A Law (law@cygnus.com)
676
677 * simops.c: Fix carry bit computation for "add" instructions.
678
679 * simops.c: Fix typos in bset insns. Fix arguments to store_mem
680 for bset imm8,(d8,an) and bclr imm8,(d8,an).
681
682 Wed Mar 5 15:00:10 1997 Jeffrey A Law (law@cygnus.com)
683
684 * simops.c: Fix register references when computing Z and N bits
685 for lsr imm8,dn.
686
687 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
688
689 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
690 COMMON_{PRE,POST}_CONFIG_FRAG instead.
691 * configure.in: sinclude ../common/aclocal.m4.
692 * configure: Regenerated.
693
694 Fri Jan 24 10:47:25 1997 Jeffrey A Law (law@cygnus.com)
695
696 * interp.c (init_system): Allocate 2^19 bytes of space for the
697 simulator.
698
699 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
700
701 * configure configure.in Makefile.in: Update to new configure
702 scheme which is more compatible with WinGDB builds.
703 * configure.in: Improve comment on how to run autoconf.
704 * configure: Re-run autoconf to get new ../common/aclocal.m4.
705 * Makefile.in: Use autoconf substitution to install common
706 makefile fragment.
707
708 Tue Jan 21 15:03:04 1997 Jeffrey A Law (law@cygnus.com)
709
710 * simops.c: Undo last change to "rol" and "ror", original code
711 was correct!
712
713 Thu Jan 16 11:28:14 1997 Jeffrey A Law (law@cygnus.com)
714
715 * simops.c: Fix "rol" and "ror".
716
717 Wed Jan 15 06:45:58 1997 Jeffrey A Law (law@cygnus.com)
718
719 * simops.c: Fix typo in last change.
720
721 Mon Jan 13 13:22:35 1997 Jeffrey A Law (law@cygnus.com)
722
723 * simops.c: Use REG macros in few places not using them yet.
724
725 Mon Jan 6 16:21:19 1997 Jeffrey A Law (law@cygnus.com)
726
727 * mn10300_sim.h (struct _state): Fix number of registers!
728
729 Tue Dec 31 16:20:41 1996 Jeffrey A Law (law@cygnus.com)
730
731 * mn10300_sim.h (struct _state): Put all registers into a single
732 array to make gdb implementation easier.
733 (REG_*): Add definitions for all registers in the state array.
734 (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
735 * simops.c: Related changes.
736
737 Wed Dec 18 10:10:45 1996 Jeffrey A Law (law@cygnus.com)
738
739 * interp.c (sim_resume): Handle 0xff as a single byte insn.
740
741 * simops.c: Fix overflow computation for "add" and "inc"
742 instructions.
743
744 Mon Dec 16 10:03:52 1996 Jeffrey A Law (law@cygnus.com)
745
746 * simops.c: Handle "break" instruction.
747
748 * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
749
750 Wed Dec 11 09:53:10 1996 Jeffrey A Law (law@cygnus.com)
751
752 * gencode.c (write_opcodes): Also write out the format of the
753 opcode.
754 * mn10300_sim.h (simops): Add "format" field.
755 * interp.c (sim_resume): Deal with endianness issues here.
756
757 Tue Dec 10 15:05:37 1996 Jeffrey A Law (law@cygnus.com)
758
759 * simops.c (REG0_4): Define.
760 Use REG0_4 for indexed loads/stores.
761
762 Sat Dec 7 09:50:28 1996 Jeffrey A Law (law@cygnus.com)
763
764 * simops.c (REG0_16): Fix typo.
765
766 Fri Dec 6 14:13:34 1996 Jeffrey A Law (law@cygnus.com)
767
768 * simops.c: Call abort for any instruction that's not currently
769 simulated.
770
771 * simops.c: Define accessor macros to extract register
772 values from instructions. Use them consistently.
773
774 * interp.c: Delete unused global variable "OP".
775 (sim_resume): Remove unused variable "opcode".
776 * simops.c: Fix some uninitialized variable problems, add
777 parens to fix various -Wall warnings.
778
779 * gencode.c (write_header): Add "insn" and "extension" arguments
780 to the OP_* declarations.
781 (write_template): Similarly for function templates.
782 * interp.c (insn, extension): Remove global variables. Instead
783 pass them as arguments to the OP_* functions.
784 * mn10300_sim.h: Remove decls for "insn" and "extension".
785 * simops.c (OP_*): Accept "insn" and "extension" as arguments
786 instead of using globals.
787
788 Thu Dec 5 22:26:31 1996 Jeffrey A Law (law@cygnus.com)
789
790 * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
791
792 * simops.c: Fix thinkos in last change to "inc dn".
793
794 Wed Dec 4 10:57:53 1996 Jeffrey A Law (law@cygnus.com)
795
796 * simops.c: "add imm,sp" does not effect the condition codes.
797 "inc dn" does effect the condition codes.
798
799 Tue Dec 3 17:37:45 1996 Jeffrey A Law (law@cygnus.com)
800
801 * simops.c: Treat both operands as signed values for
802 "div" instruction.
803
804 * simops.c: Fix simulation of division instructions.
805 Fix typos/thinkos in several "cmp" and "sub" instructions.
806
807 Mon Dec 2 12:31:40 1996 Jeffrey A Law (law@cygnus.com)
808
809 * simops.c: Fix carry bit handling in "sub" and "cmp"
810 instructions.
811
812 * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
813
814 Sun Dec 1 16:05:42 1996 Jeffrey A Law (law@cygnus.com)
815
816 * simops.c: Fix overflow computation for many instructions.
817
818 * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
819
820 * simops.c: Fix "mov am, dn".
821
822 * simops.c: Fix more bugs in "add imm,an" and
823 "add imm,dn".
824
825 Wed Nov 27 09:20:42 1996 Jeffrey A Law (law@cygnus.com)
826
827 * simops.c: Fix bugs in "movm" and "add imm,an".
828
829 * simops.c: Don't lose the upper 24 bits of the return
830 pointer in "call" and "calls" instructions. Rough cut
831 at emulated system calls.
832
833 * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
834
835 * simops.c: Implement remaining 4 byte instructions.
836
837 * simops.c: Implement remaining 3 byte instructions.
838
839 * simops.c: Implement remaining 2 byte instructions. Call
840 abort for instructions we're not implementing now.
841
842 Tue Nov 26 15:43:41 1996 Jeffrey A Law (law@cygnus.com)
843
844 * simops.c: Implement lots of random instructions.
845
846 * simops.c: Implement "movm" and "bCC" insns.
847
848 * mn10300_sim.h (_state): Add another register (MDR).
849 (REG_MDR): Define.
850 * simops.c: Implement "cmp", "calls", "rets", "jmp" and
851 a few additional random insns.
852
853 * mn10300_sim.h (PSW_*): Define for CC status tracking.
854 (REG_D0, REG_A0, REG_SP): Define.
855 * simops.c: Implement "add", "addc" and a few other random
856 instructions.
857
858 * gencode.c, interp.c: Snapshot current simulator code.
859
860 Mon Nov 25 12:46:38 1996 Jeffrey A Law (law@cygnus.com)
861
862 * Makefile.in, config.in, configure, configure.in: New files.
863 * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
864