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CommitLineData
c5fbc25b
DD		 12008-02-05 DJ Delorie <dj@redhat.com>
2
98e460c3
DD		 3 * simops.c (OP_1C007E0): Compensate for 64 bit hosts.
4 (OP_18007E0): Likewise.
5 (OP_2C007E0): Likewise.
6 (OP_28007E0): Likewise.
7 * v850.igen (divh): Likewise.
8
c5fbc25b
DD		 9 * simops.c (OP_C0): Correct saturation logic.
10 (OP_220): Likewise.
11 (OP_A0): Likewise.
12 (OP_660): Likewise.
13 (OP_80): Likewise.
14
15 * simops.c (OP_2A0): If the shift count is zero, clear the
16 carry.
17 (OP_A007E0): Likewise.
18 (OP_2C0): Likewise.
19 (OP_C007E0): Likewise.
20 (OP_280): Likewise.
21 (OP_8007E0): Likewise.
22
23 * simops.c (OP_2C207E0): Correct PSW flags for special divu
24 conditions.
25 (OP_2C007E0): Likewise, for div.
26 (OP_28207E0): Likewise, for divhu.
27 (OP_28007E0): Likewise, for divh. Also, sign-extend the correct
28 operand.
29 * v850.igen (divh): Likewise, for 2-op divh.
30
31 * v850.igen (bsh): Fix carry logic.
32
cb5c8c39
DJ		 332007-02-20 Daniel Jacobowitz <dan@codesourcery.com>
34
35 * Makefile.in (interp.o): Uncomment and update.
36
edc5d9ec
HPN		 372006-12-21 Hans-Peter Nilsson <hp@axis.com>
38
39 * acconfig.h: Remove.
40 * config.in: Regenerate.
41
e85e3205
RE		 422006-06-13 Richard Earnshaw <rearnsha@arm.com>
43
44 * configure: Regenerated.
45
2f0122dc
DJ		 462006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
47
48 * configure: Regenerated.
49
20e95c23
DJ		 502006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
51
52 * configure: Regenerated.
53
2b193c4a
MK		 542005-03-23 Mark Kettenis <kettenis@gnu.org>
55
56 * configure: Regenerate.
57
35695fd6
AC		 582005-01-14 Andrew Cagney <cagney@gnu.org>
59
60 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
61 explicit call to AC_CONFIG_HEADER.
62 * configure: Regenerate.
63
f0569246
AC		 642005-01-12 Andrew Cagney <cagney@gnu.org>
65
66 * configure.ac: Update to use ../common/common.m4.
67 * configure: Re-generate.
68
38f48d72
AC		 692005-01-11 Andrew Cagney <cagney@localhost.localdomain>
70
71 * configure: Regenerated to track ../common/aclocal.m4 changes.
72
b7026657
AC		 732005-01-07 Andrew Cagney <cagney@gnu.org>
74
75 * configure.ac: Rename configure.in, require autoconf 2.59.
76 * configure: Re-generate.
77
379832de
HPN		 782004-12-08 Hans-Peter Nilsson <hp@axis.com>
79
80 * configure: Regenerate for ../common/aclocal.m4 update.
81
4389ce38
MK		 822004-01-18 Mark Kettenis <kettenis@gnu.org>
83
84 * simops.c: Include <sys/types.h>.
85
c5ea1d53
NC		 862003-09-05 Andrew Cagney <cagney@redhat.com>
87 Nick Clifton <nickc@redhat.com>
88
89 * interp.c (sim_open): Accept bfd_mach_v850e1.
90 * v850-dc: Add entry for v850e1.
91 * v850.igen: Add support for v850e1.
92 Add code for DBTRAP and DBRET instructions.
93 (dbtrap): Create a separate v850e1 specific instruction.
94 Only generate a trap if the target is not the v850e1.
95 Otherwise treat it as a special kind of branch.
96 (break): Mark as v850/v850e specific.
97
ae451ac6
ILT		 982003-05-16 Ian Lance Taylor <ian@airs.com>
99
100 * Makefile.in (SHELL): Make sure this is defined.
101 (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
102
ebc115b7
NC		 1032003-04-06 Nick Clifton <nickc@redhat.com>
104
1eec9e33
NC		 105 * simops.c (OP_40): Delete. Move code to...
106 * v850-igen.c (): ...Here. Sign extend the first operand.
ebc115b7
NC		 107 * simops.h (OP_40): Remove prototype.
108
6b4a8935
AC		 1092003-02-27 Andrew Cagney <cagney@redhat.com>
110
111 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
112
0da2b665
AC		 1132002-11-30 Andrew Cagney <cagney@redhat.com>
114
115 * simops.c: Use int, 1, 0 instead of boolean, true and false.
116 * sim-main.h: Ditto.
117
30458d39
JW		 1182002-09-27 Jim Wilson <wilson@redhat.com>
119
120 * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
121 before.
122 (BIT_CHANGE_OP): Likewise.
123
2e8162ce
JW		 1242002-09-26 Jim Wilson <wilson@redhat.com>
125
126 * simops (OP_10007E0): Don't subtract 4 from PC.
127
5d6a173d
NC		 1282002-09-19 Nick Clifton <nickc@redhat.com>
129
130 * interp.c (sim_open): Remove reference to v850ea.
131 (sim_create_inferior): Likewise.
132 * v850-dc: Likewise.
133 * v850.igen: Remove all references to v850ea, including v850ea
134 specific instructions.
135
e551c257
NC		 1362002-08-29 Nick Clifton <nickc@redhat.com>
137
138 From 2001-08-23 Catherine Moore <clm@redhat.com>
139
140 * Makefile.in: Add gen-zero-r0 option.
141 * sim-main.h (GPR_SET, GPR_CLEAR): Define.
142 * simops.c (OP_24007E0): Sign extend the imm9
143 operand of a mul instruction.
144
d62274a3
AC		 1452002-06-17 Andrew Cagney <cagney@redhat.com>
146
147 * simops.c (trace_result): Fix printf formatting.
148
c8cca39f
AC		 1492002-06-16 Andrew Cagney <ac131313@redhat.com>
150
151 * configure: Regenerated to track ../common/aclocal.m4 changes.
152
7ef2d4e7
AC		 1532001-12-02 Andrew Cagney <ac131313@redhat.com>
154
155 * Makefile.in (simops.h, table.c): Delete targets.
156 (tmp-gencode, gencode.o, gencode): Delete targets.
157 (simops.h): New file.
158 ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
159 * gencode.c: Delete file.
160
d4424ada
C		 1612001-04-15 J.T. Conklin <jtc@redback.com>
162
163 * Makefile.in (simops.o): Add simops.h to dependency list.
164
1e6cd159
AC		 1652001-03-14 Andrew Cagney <ac131313@redhat.com>
166
167 * Makefile.in (gencode): Link with libintl.
168
42acc51e
JL		 1692001-01-31 Jonathan Larmour <jlarmour@redhat.com>
170
171 * Makefile.in (gencode): Link with libopcodes in build tree rather
172 than building source files from there.
173
896ad910
NC		 1742000-05-30 Nick Clifton <nickc@cygnus.com>
175
176 * v850.igen: Remove illegal instruction pattern, since it is the
177 same as the breakpoint pattern.
178
eb2d80b4
AC		 179Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
180
181 * configure: Regenerated to track ../common/aclocal.m4 changes.
182
b9791fcd
FCE		 1832000-04-14 Gary Thomas <gthomas@redhat.com>
184
185 * v850.igen: Define 'br *' as illegal since this is the only
186 way to provide a breakpoint on some v850 family processors.
187
de616bc7
FCE		 1882000-03-24 Frank Ch. Eigler <fche@redhat.com>
189
190 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
191
d4f3574e
SS		 192Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
193
194 * configure: Regenerated to track ../common/aclocal.m4 changes.
195
cd0fc7c3
SS		 1961999-05-08 Felix Lee <flee@cygnus.com>
197
198 * configure: Regenerated to track ../common/aclocal.m4 changes.
199
c906108c
SS		 200Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
201
202 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
203
204Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
205
206 * Makefile.in (simops.o): Depends on targ-vals.h
207 * simops.c: Include targ-vals.h instead of
208 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
209 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
210 Replace signed long int with signed32.
211
212Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
213
214 * interp.c: #include "itable.h".
215 (get_insn_name): New function.
216 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
217 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
218
219Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
220
221 * sim-main.h (INSN_NAME): New arg `cpu'.
222
223Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
224
225 * configure: Regenerated to track ../common/aclocal.m4 changes.
226
227Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
228
229 * configure: Regenerated to track ../common/aclocal.m4 changes.
230 * config.in: Ditto.
231
232Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
233
234 * acconfig.h: New file.
235 * configure.in: Reverted change of Apr 24; use sinclude again.
236
237Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
238
239 * configure: Regenerated to track ../common/aclocal.m4 changes.
240 * config.in: Ditto.
241
242Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
243
244 * configure.in: Don't call sinclude.
245
246Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
247
248 * configure: Regenerated to track ../common/aclocal.m4 changes.
249 * sim-main.h (SIM_MAIN_H): Wrap header.
250
251Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
252
253 * configure: Regenerated to track ../common/aclocal.m4 changes.
254
255Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
256
257 * configure: Regenerated to track ../common/aclocal.m4 changes.
258
259Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
260
261 * interp.c (sim_stop): Delete, second attempt.
262
263Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
264
265 * interp.c (sim_info): Delete.
266
267Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
268
269 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
270
271 * simops.c (trace_result): Call trace_generic instead of
272 trace_one_insn.
273 (trace_module): Change variable type to integer.
274 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
275
276 * sim-main.h (trace_module): Change variable decl to integer type.
277 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
278
279Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
280
281 * interp.c (sim_store_register, sim_fetch_register): Pass in
282 length parameter. Return -1.
283
284Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
285
286 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
287 IMEM_IMMED. To match recent igen change.
288
289Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
290
291 * configure: Regenerated to track ../common/aclocal.m4 changes.
292
293Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
294
295 * configure: Regenerated to track ../common/aclocal.m4 changes.
296
297Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
298
299 * sim-main.h (CPU_CIA): Delete, replaced by.
300 (CIA_SET, CIA_SET): Define.
301
302Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
303
304 * configure: Regenerated to track ../common/aclocal.m4 changes.
305
306Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
307
308 * configure: Regenerated to track ../common/aclocal.m4 changes.
309 * config.in: Ditto.
310
311Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
312
313 * v850.igen: Revert break value back to its old value.
314
315Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
316
317 * configure: Regenerated to track ../common/aclocal.m4 changes.
318
319Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
320
321 * v850.igen: Make break have a zero first field, since otherwise
322 it clashes with the DIVH instruction.
323
324Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
325
326 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
327 sim_stopped instead of sim_signalled.
328
329 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
330 SIM_SIGTRAP.
331 (illegal): Rename SIGILL to SIM_SIGILL.
332
333 * sim-main.h, simops.c, interp.c: Do not include signal.h.
334
335 * sim-main.h: Include sim-signal.h instead of signal.h.
336 (SIGTRAP, SIGQUIT): Delete definition.
337 (SIG_V850_EXIT): Delete definition.
338
339Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
340
341 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
342
343Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
344
345 * interp.c (sim_open): Check state magic number.
346 (sim-assert.h): Include.
347
348Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * v850.igen: Add model filter field to records.
351
352Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
353
354 * configure: Regenerated to track ../common/aclocal.m4 changes.
355
356Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
357
358 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
359 SIM_ENGINE_RESTART_HOOK.
360
361Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
362
363 * configure: Regenerated to track ../common/aclocal.m4 changes.
364
365Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
366
367 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
368
369 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
370 architecture with MSB == 31.
371
372Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
373
374 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
375
376Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
377
378 * configure: Regenerated to track ../common/aclocal.m4 changes.
379
380Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
381
382 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
383 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
384 (SIM_EXTRA_CFLAGS): Update.
385
386Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
387
388 * configure: Regenerated to track ../common/aclocal.m4 changes.
389 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
390
391Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
392
393 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
394 * configure: Regenerated to track ../common/aclocal.m4 changes.
395
396Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
397
398 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
399 (disp22): Only shift left by 1, not 2.
400 ("jmp"): Ensure PC is 2 byte aligned.
401
402 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
403 v850.igen. Fix tracing.
404
405 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
406 "sld.w" insns to v850.igen. Fix tracing.
407 (OP_70): Ditto for "sld.hu".
408
409 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
410
411 * simops.c (condition_met): Make global.
412
413 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
414 TRACE_ST): Define.
415 (TRACE_LD_NAME): Define.
416
417 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
418
419Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
420
421 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
422
423 * interp.c (hash): Delete.
424
425 * v850.igen (nop): Really do nothing.
426
427 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
428 before.
429 * v850.igen (reti): Return to current PC not previous.
430
431Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
432
433 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
434 (trace_module): Global, save component/module name across insn.
435
436 * simops.c: Move "bsh" to v850.igen, fix.
437
438 * v850.igen (callt): Load correct number of bytes. Fix tracing.
439 (stsr, ldsr): Correct src, dest fields. Fix tracing.
440 (ctret): Force alignment. Fix tracing.
441
442Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
443
444 * simops.c (trace_output): Add result argument.
445 (trace_result): New function. Simpler version of trace_output,
446 assumes trace needed.
447 (trace_output): Call trace_result.
448 (trace_output): For IMM_REG_REG, trace correct register.
449 (trace_input): Add case for 16bit immediates.
450 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
451
452 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
453 (trace_values, trace_name, trace_pc, trace_num_values): Make
454 global.
455 (GR, SR): Define.
456
457 v850.insn (movea, stsr): Use.
458 (sxb, sxh, zxb, zxh): Ditto.
459
460Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
461
462 * simops.c: Move "movea" from here.
463 * v850.igen: To here.
464
465 * v850.igen (simm16): Define, sign extend imm16.
466 (uimm16): Define, no sign extension.
467 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
468
469 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
470 "mov32" from here.
471 * v850.igen: To here.
472 (switch): Fix off by two error in NIA calc.
473
474Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
475
476 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
477 New static globals.
478 (trace_input): Just save pc, name and values for trace_output.
479 (trace_output): Write trace values to a buffer. Use
480 trace_one_insn to print trace info and buffer.
481 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
482
483Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
484
485 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
486 can be masked out.
487
488 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
489 instructions from here.
490 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
491 setting PSW.
492
493 * interp.c (sim_open): Set psw_mask if machine known.
494
495Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
496
497 * v850-dc: Add rule to diferentiate between breakpoint and divh.
498 * v850.igen (break): New instruction, breakpoint simulator.
499 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
500
501Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
502
503 * simops.c (Multiply64): Don't store into register zero.
504
505Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
506
507 * Makefile.in (semantics.o): Add dependency.
508
509 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
510 do not adjust CIA/NIA.
511
512Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
513
514 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
515
516 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
517 "divun", "pushml" code from here to v850.igen.
518 (divun): Make global.
519 (type3_regs): Make global
520
521 * v850.igen: Move simops.c code to here.
522
523 * interp.c (sim_create_inferior): For v850eq set US bit by
524 default.
525
526 * interp.c (sim_open): Don't set arch, now set by
527 sim_analyze_program.
528
529 * configure: Regenerated to track ../common/aclocal.m4 changes.
530
531Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
532
533 * simops.c (op_types): Move from here.
534 sim-main.h: To here.
535
536 * sim-main.h (trace_input, trace_output), simops.c: Make global.
537
538 * simops.c (OP_60): Move "jmp" code from here.
539 * v850.igen (jmp): To here.
540
541 * simops.c (OP_60): Move "sld.bu" code from here.
542 * v850.igen (sld.bu): To here.
543
544Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
545
546 * v850.igen (prepare, ...): Add to v850eq architecture.
547
548 * interp.c (sim_open): Default to v850eq.
549
550 * interp.c (sim_open): Default to v850e.
551 * sim-main.h (signal.h): Include.
552
553 * v850.igen (illegal): Report/halt illegal instructions.
554
555 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
556
557 * configure.in: Add reserved bits option.
558 * configure: Regenerate.
559
560Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
561
562 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
563
564 * sim-main.h (INSN_NAME):
565
566 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
567 (SIM_EXTRA_DEPS): Add itable.h
568 (tmp-gencode): Does not depend on simops.h
569
570 * sim-main.h (itable.h): Include.
571 (MAX_INSNS, INSN_NAME): Define.
572
573 * interp.c: Compute inttype from the interrupt_names index that
574 was passed in.
575
576Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
577
578 * simops.c (trace_input): Use trace_printf instead of
579 sim_io_printf.
580 (trace_output): Ditto.
581 (trace_input): Only trace when TRACE_ALU_P. Delete code
582 disasembling instruction.
583 (trace_output): Only trace when TRACE_ALU_P.
584
585Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
586
587 * simops.c (trace_input, trace_output): Use sim_io_printf.
588 (OP_620): Pass correct argument to trace.
589 (OP_E607E0): Ditto.
590 (trace_input): Obtain prog_bfd, text_start et.al from simulator
591 struct.
592
593Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
594
595 * v850.igen: New file.
596 * v850-dc: New file.
597
598Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
599
600
601 * sim-main.h (SEXT16): Delete, use EXTEND16.
602 (SEXT8): Delete, use EXTEND8.
603 (SEXT32): Delete, used?
604 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
605 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
606
607 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
608
609 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
610 replace with TRACE_INSN_P and TRACE_ALU_P.
611
612 * simops.c (trace_input, trace_output): Update.
613
614 * interp.c (sim_engine_run): Delete.
615 (lookup_hash): Delete.
616 (sim_open): Do not fill hash table.
617 (sim_trace): Delete.
618
619Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
620
621 * simops.c (OP_FFFF): Use sim_engine_halt.
622 (OP_12007E0): Ditto.
623 (OP_10007E0): Ditto.
624
625 * sim-main.h (struct sim_cpu): Delete member exception. Using
626 sim-engine et.al.
627
628 * interp.c (sim_info): Do not do anything in sim-info.
629 (sim_stop): Delete, replace with sim-stop.
630 (sim_stop_reason): Delete, replace with sim-reason.
631
632 * sim-main.h (WITH_WATCHPOINTS): Define.
633 (WITH_MODULO_MEMORY): Define
634
635 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
636 sim-reason.
637
638 * interp.c (enum interrupt_cond_type): Delete.
639 (struct interrupt_generator): Delete.
640 (enum interrupt_type): Drop int_none.
641 (sim_open): Initialize WATCHPOINT module.
642 (sim_resume, sim_run): Rename sim_resume to sim_run.
643 (sim_engine_run): Replace interrupt code with call to sim-events.
644 (sim_set_interrupt): Delete.
645 (sim_parse_number): Delete.
646
647Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
648
649 * configure: Regenerated to track ../common/aclocal.m4 changes.
650
651Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
652
653 * simops.c (fetch_argv): New function, fetch a arg vector from
654 simulator memory.
655
656 * configure.in: Check for fork, execve, execv.
657 * configure: Regenerate.
658
659 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
660 T2H_4 for byte swapping.
661
662 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
663 put_half, put_byte): Delete.
664
665 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
666
667 * sim-main.h (load_mem, store_mem): Redefine as macros.
668 (IMEM, IMEM_IMMED): New macros - fetch instructions.
669
670 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
671 transfer data via a buffer.
672 (fetch_str): New function, fetch string from memory.
673
674 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
675
676 * interp.c (sim_open): Establish memory maps using sim-memopt.c
677 via sim_do_command.
678 (sim_do_command): Print error if memory-map command is used. Call
679 sim_args_command.
680 (map): Delete, replaced by sim-core.
681 (sim_memory_init): Delete, replaced by sim-core.
682 (sim_set_memory_map): Delete, replaced by sim-memopt.
683 (load_mem): Delete, replaced by sim-core.
684 (store_mem): Delete, replaced by sim-core.
685 (sim_write): Delete, replaced by sim-hrw.
686 (sim_read): Delete, replaced by sim-hrw.
687
688 * sim-main.h (struct sim_state): Remove memory members, using
689 sim-core.c
690
691Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
692
693 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
694 * interp.c (map): Do not add to a void pointer.
695
696 * Makefile.in (INCLUDE): Add sim-main.h
697
698 * configure.in: Check for time.h
699 * configure: Re-generate.
700
701 * interp.c (struct interrupt_generator): Make time unsigned long,
702 address SIM_ADDR.
703 (sim_resume): Make oldpc SIM_ADDR.
704 (struct hash_entry): Make mask/opcode unsigned.
705
706 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
707
708 * simops.c (utime.h): Include if available.
709 (OP_10007E0): Check for UTIME function.
710 (divun): Put parentheses around shift argument.
711 (OP_640): Put parentheses around shift argument, was wrong.
712 (OP_107F0): Return something.
713
714 * interp.c (sim_parse_number): Use strtoul not strtol.
715 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
716
717 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
718 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
719 (SIM_AC_OPTION_HOST_ENDIAN): Add.
720 (AC_CHECK_FUNCS): Add utime.
721 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
722 configure: Regenerate.
723
724
725 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
726 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
727 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
728 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
729 (SIM_ENDIAN, SIM_WARNGINS): Define.
730
731 * simops.c (OP_10007E0): Use sim_io_* for transfers.
732
733 * interp.c (sim_resume): Pass sd around.
734
735 * simops.c (sim-main.h): Include.
736
737 * gencode.c (write_template): Generate #include sim-main.h.
738 (write_opcodes): Ditto.
739
740 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
741 (v850_callback): Ditto.
742 (sim_kind, myname): Ditto.
743 (lookup_hash): Pass SD. Use sim_io_error.
744 (sim_set_memory_map): Pass in SD, use.
745 (init_system): Pass in SD, use.
746 (sim_open): Update.
747 (sim_set_profile): Delete.
748 (sim_set_profile_size): Delete.
749 (do_interrupt): Pass in SD, use.
750 (sim_info): Use sim_io_printf.
751 (sim_create_inferior): Reset registers. Set PC from prog_bfd
752 argument.
753 (sim_load): Delete, use common/sim-hload.c
754 (sim_size): Rename to sim_memory_init.
755 (sim_write): Remove call to init_system.
756 (init_system): Delete.
757 (sim_set_callbacks): Delete.
758 (sim_set_interrupt): Pass in SD, use.
759 (start_time): Delete.
760
761 * v850_sim.h: Remove everything except `struct simops' from here.
762 * sim-main.h: Move most to here.
763 * gencode.c: Move #includes to here.
764
765 * sim-main.h(struct _sim_cpu): Rename struct _state.
766 (#define PC, et.al.): Update
767 (v850_callback): Delete. Replaced with SIM_DESC arg.
768 (int8, uint8, int16, uint16, int32, uint32): Define types using
769 unsigned8 et.al from common/sim-types.h.
770 * sim-main.h (State): Define as STATE_CPU.
771
772Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
773
774 * configure.in: Check for time, chmod.
775 * configure: Regenerate.
776 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
777
778 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
779 sys/syscall.h.
780 (OP_10007E0): Check the existance each SYS_* macro independantly.
781
782 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
783
784Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
785
786 * configure: Regenerated to track ../common/aclocal.m4 changes.
787 * config.in: Ditto.
788
789Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
790
791 * interp.c (sim_kill): Delete.
792 (sim_create_inferior): Add ABFD argument.
793 (sim_load): Move setting of PC from here.
794 (sim_create_inferior): To here.
795
796Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
797
798 * configure: Regenerated to track ../common/aclocal.m4 changes.
799 * config.in: Ditto.
800
801Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
802
803 * interp.c (sim_open): Add ABFD argument.
804
805Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
806
807 * simops.c (bsh): Only set CY flag if either of the bottom
808 bytes is zero.
809
810 * simops.c (prepare, dispose): Lower numbered
811 registers go to higher numbered address.
812
813 * simops.c (unsigned divide instructions): S bit set if result has
814 top bit set.
815
816 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
817 registers go to higher numbered address.
818
819Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
820
821 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
822 interpretation of SR bit in list18 structure.
823 (divn, divun): New functions to perform N step divide functions.
824
825Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
826
827 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
828 with US bit set in the PSW.
829
830Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
831
832 * interp.c (sim_resume): Opcode functions return amount to be
833 added to PC and all opcodes take a standard format in the OP[]
834 array.
835
836 (do_format_*): Functions removed.
837
838 * v850_sim.h (SP, EP): New register mnemonics.
839
840 * gencode.c (write_header): Functions prototypes return an
841 integer.
842
843 * simops.c: Opcode functions return amount to be added to PC.
844
845 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
846
847 * simops.c: Add support for v850e instructions.
848
849 * simops.c: Add support for v850eq instructions.
850
851Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
852
853 * interp.c (sim_open): Add callback argument.
854 (sim_set_callbacks): Delete SIM_DESC argument.
855
856Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
857
858 * configure: Regenerated to track ../common/aclocal.m4 changes.
859
860Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
861
862 * interp.c (prog_bfd_was_opened_p): New static local.
863 (prog_bfd): New global variable.
864 (sim_open): Undo patch to add -E support.
865 (sim_close): Close prog_bfd if sim_load opened it.
866 (sim_load): Record bfd of loaded file in prog_bfd.
867 * simops.c (prog_bfd): Renamed from exec_bfd.
868
869Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
870
871 * interp.c (sim_stop): Stub function.
872
873Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
874
875 * Makefile.in (SIM_OBJS): Add sim-load.o.
876 * interp.c (sim_kind, myname): New static locals.
877 (sim_open): Set sim_kind, myname. Ignore -E arg.
878 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
879 load file into simulator. Set start address from bfd.
880 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
881
882Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
883
884 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
885 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
886
887Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
888
889 * configure: Regenerated to track ../common/aclocal.m4 changes.
890 * config.in: Ditto.
891
892Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
893
894 * interp.c (sim_open): New arg `kind'.
895
896 * configure: Regenerated to track ../common/aclocal.m4 changes.
897
898Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
899
900 * configure: Regenerated to track ../common/aclocal.m4 changes.
901
902Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
903
904 * configure: Regenerated to track ../common/aclocal.m4 changes.
905
906Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
907
908 * configure: Re-generate.
909
910Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
911
912 * configure: Regenerate to track ../common/aclocal.m4 changes.
913
914Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
915
916 * interp.c (sim_open): New SIM_DESC result. Argument is now
917 in argv form.
918 (other sim_*): New SIM_DESC argument.
919
920Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
921
922 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
923 COMMON_{PRE,POST}_CONFIG_FRAG instead.
924 * configure.in: sinclude ../common/aclocal.m4.
925 * configure: Regenerated.
926
927Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
928
929 * configure configure.in Makefile.in: Update to new configure
930 scheme which is more compatible with WinGDB builds.
931 * configure.in: Improve comment on how to run autoconf.
932 * configure: Re-run autoconf to get new ../common/aclocal.m4.
933 * Makefile.in: Use autoconf substitution to install common
934 makefile fragment.
935
936Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
937
938 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
939 not zero extend.
940
941Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
942
943 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
944 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
945 SYS_gettimeofday and SYS_utime from MSVC.
946
947Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
948
949 * simops.c (OP_10007E0): Know that kill encodes the signal number
950 via: 0xdead0000 | signal and turn it back into a signal.
951
952Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
953
954 * v850_sim.h (SIG_V850_EXIT): Define as -1.
955
956 * interp.c (sim_open): Cast calloc function.
957 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
958 program exited with the appropriate exit code.
959 (sim_set_interrupt): Declare buildargv.
960
961 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
962 type correct and work on big endian systems.
963
964Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
965
966 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
967 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
968 * configure.in: Simplify using macros in ../common/aclocal.m4.
969 Call AC_CHECK_HEADERS(unistd.h).
970 * configure: Regenerated.
971 * config.in: New file.
972 * simops.c: #include "config.h". #include <unistd.h> if present.
973
974Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
975
976 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
977 (EIPC, etc): New macros for system registers.
978 * simops.c, interp.c: Use everywhere.
979
980 * interp.c: Add support for interrupts issued by interrupt
981 generators, either PC- or time-based. Controlled by simulator
982 command "sim interrupt".
983
984 * interp.c: Add support for variable-size allocation of memory,
985 via simulator command "sim memory-map".
986 (map): Issue SIGSEGV for references to invalid memory regions.
987
988Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
989
990 * simops.c: Include <sys/time.h> for struct timeval and
991 struct timezone.
992
993Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
994
995 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
996
997 * simops.c (OP_10007E0): Handle SYS_time.
998
999Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
1000
1001 * simops.c: Include <sys/stat.h>.
1002 (OP_10007E0): Handle SYS_stat.
1003
1004Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
1005
1006 * simops.c (OP_10007E0): Don't declare errno.
1007
1008 * simops.c (OP_500): Mask off low bit in displacement
1009 for sld.w.
1010 (OP_501): Similarly.
1011
1012 * simops.c (OP_500): Fix displacement handling for sld.w.
1013 (OP_501): Similarly for sst.w.
1014
1015 * simops.c (trace_input): Remove all references to SEXT7.
1016 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
1017 is zero extended for sst/sld instructions.
1018 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
1019 was incorrect anyway).
1020
1021Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1022
1023 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
1024 autoconf.
1025 * gencode.c (write_opcodes): Pad operands field to account for
1026 MSVC braindamage.
1027 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
1028 doesn't support it. (Why is this here in the first place?!?)
1029 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
1030 Change number of operands in struct simops from 9 to 6. Define
1031 SIGTRAP and SIGQUIT for MSVC.
1032
1033Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
1034
1035 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
1036 * (map): Add support for external mem in the 1->2 meg range.
1037 Also, abort() when memory access is way out of bounds. (Better to
1038 die than to give wrong result. (This will be fixed later.))
1039 * (sim_size): MEM_SIZE is now bytes, not shift factor.
1040
1041Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
1042
1043 * simops.c (trace_input): Swapped order of operands for output
1044 output of OP_IMM_REG. Changed the fetching of the operands for
1045 OP_LOAD32, and OP_STORE32 to work like op-function.
1046
1047Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1048
1049 * interp.c: Move includes of remote-sim.h and callback.h to
1050 v850-sim.h.
1051 * (lookup_hash): Add PC to report of hash failure.
1052 * (map load_mem store_mem): New memory subsystem. Models V851
1053 memory system.
1054 * (sim_write sim_read): Use new memory subsystem.
1055 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
1056 to make user-defined traps work right.
1057 * simops.c (OP_*): Use new memory subsystem.
1058 * (OP_14007E0 (reti)): Implement reti.
1059 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
1060 trap 31. Use new memory subsystem.
1061 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
1062 load_mem in RLW macro.
1063
1064Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
1065
1066 * gencode.c (write_opcodes): Output hex values for opcode mask
1067 and patterns.
1068 * interp.c (sim_resume): Save and restore PC from the appropriate
1069 register.
1070 * (sim_fetch_register sim_store_register): Fix byte-order problem
1071 with reading and writing registers.
1072 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
1073
1074Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
1075
1076 * simops.c (trace_input): Fix thinko.
1077
1078Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1079
1080 * simops.c (exec_bfd): Rename from sim_bfd.
1081 (trace_input): Ditto.
1082
1083Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1084
1085 * simops.c (trace_input): Use find_nearest_line to print line
1086 number, function name or file name of PC.
1087
1088Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1089
1090 * simops.c: Add tracing support. Use SEXTxx macros instead of
1091 doing hardwired shifts.
1092
1093 * configure.in (--enable-sim-cflags): Add switch to add additional
1094 flags to simulator buld. If --enable-sim-cflags=trace, turn on
1095 tracing.
1096 * configure: Regenerate.
1097
1098 * Makefile.in: Don't require a VPATH capable make if configuring
1099 in the same directory. Don't use CFLAGS for configuration flags.
1100 Add flags from --enable-sim-cflags. Support canadian cross
1101 builds. Rebuild whole simulator if include files change.
1102
1103 * interp.c (v850_debug): New global for debugging.
1104 (lookup_hash,sim_size,sim_set_profile): Use
1105 printf_filtered callback, instead of calling printf directly.
1106 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1107
1108 * v850_sim.h: Use limits.h to set the various sized types.
1109 (SEXT{5,7,16,22}): New macros.
1110
1111Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
1112
1113 * interp.c (hash): Make this an inline function
1114 when compiling with GCC. Simplify.
1115 * simpos.c: Explicitly include "sys/syscall.h". Remove
1116 some #if 0'd code. Enable more emulated syscalls.
1117
1118Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
1119
1120 * interp.c: Fix sign bit handling for add and sub instructions.
1121
1122Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
1123
1124 * gencode.c: Fix various indention & style problems.
1125 Remove test code. Remove #if 0 code.
1126 * interp.c: Provide prototypes for all static functions.
1127 Fix minor indention problems.
1128 (sim_open, sim_resume): Remove unused variables.
1129 (sim_read): Return type is "int".
1130 * simops.c: Remove unused variables.
1131 (divh): Make result of divide-by-zero zero.
1132 (setf): Initialize result to keep compiler quiet.
1133 (sar instructions): These just clear the overflow bit.
1134 * v850_sim.h: Provide prototypes for put_byte, put_half
1135 and put_word.
1136
1137 * interp.c: OP should be an array of 32bit operands!
1138 (v850_callback): Declare.
1139 (do_format_5): Fix extraction of OP[0].
1140 (sim_size): Remove debugging printf.
1141 (sim_set_callbacks): Do something useful.
1142 (sim_stop_reason): Gross hacks to get c-torture running.
1143 * simops.c: Simplify code for computing targets of bCC
1144 insns. Invert 's' bit if 'ov' bit is set for some
1145 instructions. Fix 'cy' bit handling for numerous
1146 instructions. Make the simulator stop when a halt
1147 instruction is encountered. Very crude support for
1148 emulated syscalls (trap 0).
1149 * v850_sim.h: Include "callback.h" and declare
1150 v850_callback. Items in the operand array are 32bits.
1151
1152Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
1153
1154 * interp.c (sim_resume): Fix code to check for a format 3
1155 opcode.
1156 * simops.c: bCC insns only argument is a constant, not a
1157 register value (duh...)
1158
1159Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1160
1161 * simops.c: Fix "not1" and "set1".
1162
1163 * simops.c: Don't forget to initialize temp for
1164 "ld.h" and "ld.w"
1165
1166 * interp.c: Remove various debugging printfs.
1167
1168 * simops.c: Fix satadd, satsub boundary case handling.
1169
1170 * interp.c (hash): Fix.
1171 * interp.c (do_format_8): Get operands correctly and
1172 call the target function.
1173 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1174
1175Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1176
1177 * interp.c (do_format_4): Get operands correctly and
1178 call the target function.
1179 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1180 "sst.h", and "sst.w".
1181
1182 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1183 accordingly. Remove many unused definitions.
1184 * interp.c: The V850 doesn't have split I&D spaces. Change
1185 accordingly.
1186 (get_longlong, get_longword, get_word): Deleted.
1187 (write_longlong, write_longword, write_word): Deleted.
1188 (get_operands): Deleted.
1189 (get_byte, get_half, get_word): New functions.
1190 (put_byte, put_half, put_word): New functions.
1191 * simops.c: Remove unused functions. Rough cut at
1192 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1193
1194 * v850_sim.h (struct _state): Remove "psw" field. Add
1195 "sregs" field.
1196 (PSW): Remove bogus definition.
1197 * simops.c: Change condition code handling to use the psw
1198 register within the sregs array. Handle "ldsr" and "stsr".
1199
1200 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1201
1202 * interp.c (do_format_5): Get operands correctly and
1203 call the target function.
1204 (sim_resume): Don't do a PC update for format 5 instructions.
1205 * simops.c: Handle "jarl" and "jmp" instructions.
1206
1207 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1208 "di", and "ei" instructions correctly.
1209
1210 * interp.c (do_format_3): Get operands correctly and call
1211 the target function.
1212 * simops.c: Handle bCC instructions.
1213
1214 * simops.c: Add condition code handling to shift insns.
1215 Fix minor typos in condition code handling for other insns.
1216
1217 * Makefile.in: Fix typo.
1218 * simops.c: Add condition code handling to "sub" "subr" and
1219 "divh" instructions.
1220
1221 * interp.c (hash): Update to be more accurate.
1222 (lookup_hash): Call hash rather than computing the hash
1223 code here.
1224 (do_format_1_2): Handle format 1 and format 2 instructions.
1225 Get operands correctly and call the target function.
1226 (do_format_6): Get operands correctly and call the target
1227 function.
1228 (do_formats_9_10): Rough cut so shift ops will work.
1229 (sim_resume): Tweak to deal with format 1 and format 2
1230 handling in a single funtion. Don't update the PC
1231 for format 3 insns. Fix typos.
1232 * simops.c: Slightly reorganize. Add condition code handling
1233 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1234 and "not" instructions.
1235 * v850_sim.h (reg_t): Registers are 32bits.
1236 (_state): The V850 has 32 general registers. Add a 32bit
1237 psw and pc register too. Add accessor macros
1238
1239 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1240 changes from the d10v simulator.
1241
1242 * simops.c: Add shift support.
1243
1244 * simops.c: Add multiply & divide support. Abort for system
1245 instructions.
1246
1247 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1248 and subr. No condition codes yet.
1249
1250Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1251
1252 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1253 gencode.c, interp.c, simops.c: Created.
1254
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