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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [sim/] [v850/] [ChangeLog] - Blame information for rev 612

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Line No. Rev Author Line
1 227 jeremybenn 
2010-01-09  Ralf Wildenhues
2 
 
3 
        * configure: Regenerate.
4 
 
5 
2009-08-22  Ralf Wildenhues
6 
 
7 
        * config.in: Regenerate.
8 
        * configure: Likewise.
9 
 
10 
        * configure: Regenerate.
11 
 
12 
2008-07-11  Hans-Peter Nilsson
13 
 
14 
        * configure: Regenerate to track ../common/common.m4 changes.
15 
        * config.in: Ditto.
16 
 
17 
2008-06-06  Vladimir Prus
18 
            Daniel Jacobowitz
19 
            Joseph Myers
20 
 
21 
        * configure: Regenerate.
22 
 
23 
2008-02-05  DJ Delorie
24 
 
25 
        * simops.c (OP_1C007E0): Compensate for 64 bit hosts.
26 
        (OP_18007E0): Likewise.
27 
        (OP_2C007E0): Likewise.
28 
        (OP_28007E0): Likewise.
29 
        * v850.igen (divh): Likewise.
30 
 
31 
        * simops.c (OP_C0): Correct saturation logic.
32 
        (OP_220): Likewise.
33 
        (OP_A0): Likewise.
34 
        (OP_660): Likewise.
35 
        (OP_80): Likewise.
36 
 
37 
        * simops.c (OP_2A0): If the shift count is zero, clear the
38 
        carry.
39 
        (OP_A007E0): Likewise.
40 
        (OP_2C0): Likewise.
41 
        (OP_C007E0): Likewise.
42 
        (OP_280): Likewise.
43 
        (OP_8007E0): Likewise.
44 
 
45 
        * simops.c (OP_2C207E0): Correct PSW flags for special divu
46 
        conditions.
47 
        (OP_2C007E0): Likewise, for div.
48 
        (OP_28207E0): Likewise, for divhu.
49 
        (OP_28007E0): Likewise, for divh.  Also, sign-extend the correct
50 
        operand.
51 
        * v850.igen (divh): Likewise, for 2-op divh.
52 
 
53 
        * v850.igen (bsh): Fix carry logic.
54 
 
55 
2007-02-20  Daniel Jacobowitz
56 
 
57 
        * Makefile.in (interp.o): Uncomment and update.
58 
 
59 
2006-12-21  Hans-Peter Nilsson
60 
 
61 
        * acconfig.h: Remove.
62 
        * config.in: Regenerate.
63 
 
64 
2006-06-13  Richard Earnshaw
65 
 
66 
        * configure: Regenerated.
67 
 
68 
2006-06-05  Daniel Jacobowitz
69 
 
70 
        * configure: Regenerated.
71 
 
72 
2006-05-31  Daniel Jacobowitz
73 
 
74 
        * configure: Regenerated.
75 
 
76 
2005-03-23  Mark Kettenis
77 
 
78 
        * configure: Regenerate.
79 
 
80 
2005-01-14  Andrew Cagney
81 
 
82 
        * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
83 
        explicit call to AC_CONFIG_HEADER.
84 
        * configure: Regenerate.
85 
 
86 
2005-01-12  Andrew Cagney
87 
 
88 
        * configure.ac: Update to use ../common/common.m4.
89 
        * configure: Re-generate.
90 
 
91 
2005-01-11  Andrew Cagney
92 
 
93 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
94 
 
95 
2005-01-07  Andrew Cagney
96 
 
97 
        * configure.ac: Rename configure.in, require autoconf 2.59.
98 
        * configure: Re-generate.
99 
 
100 
2004-12-08  Hans-Peter Nilsson
101 
 
102 
        * configure: Regenerate for ../common/aclocal.m4 update.
103 
 
104 
2004-01-18  Mark Kettenis
105 
 
106 
        * simops.c: Include .
107 
 
108 
2003-09-05  Andrew Cagney
109 
            Nick Clifton
110 
 
111 
        * interp.c (sim_open): Accept bfd_mach_v850e1.
112 
        * v850-dc: Add entry for v850e1.
113 
        * v850.igen: Add support for v850e1.
114 
        Add code for DBTRAP and DBRET instructions.
115 
        (dbtrap): Create a separate v850e1 specific instruction.
116 
        Only generate a trap if the target is not the v850e1.
117 
        Otherwise treat it as a special kind of branch.
118 
        (break): Mark as v850/v850e specific.
119 
 
120 
2003-05-16  Ian Lance Taylor
121 
 
122 
        * Makefile.in (SHELL): Make sure this is defined.
123 
        (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
124 
 
125 
2003-04-06  Nick Clifton
126 
 
127 
        * simops.c (OP_40): Delete.  Move code to...
128 
        * v850-igen.c (): ...Here. Sign extend the first operand.
129 
        * simops.h (OP_40): Remove prototype.
130 
 
131 
2003-02-27  Andrew Cagney
132 
 
133 
        * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
134 
 
135 
2002-11-30  Andrew Cagney
136 
 
137 
        * simops.c: Use int, 1, 0 instead of boolean, true and false.
138 
        * sim-main.h: Ditto.
139 
 
140 
2002-09-27  Jim Wilson
141 
 
142 
        * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
143 
        before.
144 
        (BIT_CHANGE_OP): Likewise.
145 
 
146 
2002-09-26  Jim Wilson
147 
 
148 
        * simops (OP_10007E0): Don't subtract 4 from PC.
149 
 
150 
2002-09-19  Nick Clifton
151 
 
152 
        * interp.c (sim_open): Remove reference to v850ea.
153 
        (sim_create_inferior): Likewise.
154 
        * v850-dc: Likewise.
155 
        * v850.igen: Remove all references to v850ea, including v850ea
156 
        specific instructions.
157 
 
158 
2002-08-29  Nick Clifton
159 
 
160 
        From 2001-08-23  Catherine Moore
161 
 
162 
        * Makefile.in: Add gen-zero-r0 option.
163 
        * sim-main.h (GPR_SET, GPR_CLEAR): Define.
164 
        * simops.c (OP_24007E0):  Sign extend the imm9
165 
        operand of a mul instruction.
166 
 
167 
2002-06-17  Andrew Cagney
168 
 
169 
        * simops.c (trace_result): Fix printf formatting.
170 
 
171 
2002-06-16  Andrew Cagney
172 
 
173 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
174 
 
175 
2001-12-02  Andrew Cagney
176 
 
177 
        * Makefile.in (simops.h, table.c): Delete targets.
178 
        (tmp-gencode, gencode.o, gencode): Delete targets.
179 
        (simops.h): New file.
180 
        ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
181 
        * gencode.c: Delete file.
182 
 
183 
2001-04-15  J.T. Conklin
184 
 
185 
        * Makefile.in (simops.o): Add simops.h to dependency list.
186 
 
187 
2001-03-14  Andrew Cagney
188 
 
189 
        * Makefile.in (gencode): Link with libintl.
190 
 
191 
2001-01-31  Jonathan Larmour
192 
 
193 
        * Makefile.in (gencode): Link with libopcodes in build tree rather
194 
        than building source files from there.
195 
 
196 
2000-05-30  Nick Clifton
197 
 
198 
        * v850.igen: Remove illegal instruction pattern, since it is the
199 
        same as the breakpoint pattern.
200 
 
201 
Tue May 23 21:39:23 2000  Andrew Cagney
202 
 
203 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
204 
 
205 
2000-04-14  Gary Thomas
206 
 
207 
        * v850.igen: Define 'br *' as illegal since this is the only
208 
        way to provide a breakpoint on some v850 family processors.
209 
 
210 
2000-03-24  Frank Ch. Eigler
211 
 
212 
        * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
213 
 
214 
Thu Sep  2 18:15:53 1999  Andrew Cagney
215 
 
216 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
217 
 
218 
1999-05-08  Felix Lee
219 
 
220 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
221 
 
222 
Tue Dec  1 17:25:16 1998  Andrew Cagney
223 
 
224 
        * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
225 
 
226 
Wed Nov 25 17:52:58 1998  Andrew Cagney
227 
 
228 
        * Makefile.in (simops.o): Depends on targ-vals.h
229 
        * simops.c: Include targ-vals.h instead of
230 
        libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
231 
        (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
232 
        Replace signed long int with signed32.
233 
 
234 
Fri Oct  9 18:02:25 1998  Doug Evans
235 
 
236 
        * interp.c: #include "itable.h".
237 
        (get_insn_name): New function.
238 
        (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
239 
        * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
240 
 
241 
Wed May  6 19:43:27 1998  Doug Evans
242 
 
243 
        * sim-main.h (INSN_NAME): New arg `cpu'.
244 
 
245 
Tue Apr 28 18:33:31 1998  Geoffrey Noer
246 
 
247 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
248 
 
249 
Sun Apr 26 15:31:55 1998  Tom Tromey
250 
 
251 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
252 
        * config.in: Ditto.
253 
 
254 
Sun Apr 26 15:19:14 1998  Tom Tromey
255 
 
256 
        * acconfig.h: New file.
257 
        * configure.in: Reverted change of Apr 24; use sinclude again.
258 
 
259 
Fri Apr 24 14:16:40 1998  Tom Tromey
260 
 
261 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
262 
        * config.in: Ditto.
263 
 
264 
Fri Apr 24 11:18:08 1998  Tom Tromey
265 
 
266 
        * configure.in: Don't call sinclude.
267 
 
268 
Sat Apr  4 20:36:25 1998  Andrew Cagney
269 
 
270 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
271 
        * sim-main.h (SIM_MAIN_H): Wrap header.
272 
 
273 
Fri Mar 27 16:15:52 1998  Andrew Cagney
274 
 
275 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
276 
 
277 
Wed Mar 25 12:35:29 1998  Andrew Cagney
278 
 
279 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
280 
 
281 
Tue Mar 10 15:54:50 1998  Andrew Cagney
282 
 
283 
        * interp.c (sim_stop): Delete, second attempt.
284 
 
285 
Thu Feb 26 19:09:47 1998  Andrew Cagney
286 
 
287 
        * interp.c (sim_info): Delete.
288 
 
289 
Wed Feb 18 10:47:32 1998  Andrew Cagney
290 
 
291 
        * sim-main.h (TRACE_ALU_INPUT*): Delete.  Moved to sim-trace.[hc].
292 
 
293 
        * simops.c (trace_result): Call trace_generic instead of
294 
        trace_one_insn.
295 
        (trace_module): Change variable type to integer.
296 
        (trace_input): Initialize trace_module with TRACE_ALU_IDX.
297 
 
298 
        * sim-main.h (trace_module): Change variable decl to integer type.
299 
        (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
300 
 
301 
Tue Feb 17 12:51:18 1998  Andrew Cagney
302 
 
303 
        * interp.c (sim_store_register, sim_fetch_register): Pass in
304 
        length parameter.  Return -1.
305 
 
306 
Tue Feb  3 16:24:42 1998  Andrew Cagney
307 
 
308 
        * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
309 
        IMEM_IMMED. To match recent igen change.
310 
 
311 
Sun Feb  1 16:47:51 1998  Andrew Cagney
312 
 
313 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
314 
 
315 
Sat Jan 31 18:15:41 1998  Andrew Cagney
316 
 
317 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
318 
 
319 
Fri Jan 30 09:51:27 1998  Andrew Cagney
320 
 
321 
        * sim-main.h (CPU_CIA): Delete, replaced by.
322 
        (CIA_SET, CIA_SET): Define.
323 
 
324 
Mon Jan 19 22:26:29 1998  Doug Evans
325 
 
326 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
327 
 
328 
Mon Dec 15 23:17:11 1997  Andrew Cagney
329 
 
330 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
331 
        * config.in: Ditto.
332 
 
333 
Fri Dec  5 09:26:08 1997  Nick Clifton
334 
 
335 
        * v850.igen: Revert break value back to its old value.
336 
 
337 
Thu Dec  4 09:21:05 1997  Doug Evans
338 
 
339 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
340 
 
341 
Wed Dec  3 17:27:19 1997  Nick Clifton
342 
 
343 
        * v850.igen: Make break have a zero first field, since otherwise
344 
        it clashes with the DIVH instruction.
345 
 
346 
Sat Nov 22 21:32:07 1997  Andrew Cagney
347 
 
348 
        * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
349 
        sim_stopped instead of sim_signalled.
350 
 
351 
        * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
352 
        SIM_SIGTRAP.
353 
        (illegal): Rename SIGILL to SIM_SIGILL.
354 
 
355 
        * sim-main.h, simops.c, interp.c: Do not include signal.h.
356 
 
357 
        * sim-main.h: Include sim-signal.h instead of signal.h.
358 
        (SIGTRAP, SIGQUIT): Delete definition.
359 
        (SIG_V850_EXIT): Delete definition.
360 
 
361 
Tue Nov 18 15:33:48 1997  Doug Evans
362 
 
363 
        * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
364 
 
365 
Fri Oct 31 10:33:40 1997  Andrew Cagney
366 
 
367 
        * interp.c (sim_open): Check state magic number.
368 
        (sim-assert.h): Include.
369 
 
370 
Tue Oct 28 11:06:47 1997  Andrew Cagney
371 
 
372 
        * v850.igen: Add model filter field to records.
373 
 
374 
Fri Oct  3 09:28:00 1997  Andrew Cagney
375 
 
376 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
377 
 
378 
Fri Sep 26 11:56:02 1997  Felix Lee
379 
 
380 
        * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
381 
        SIM_ENGINE_RESTART_HOOK.
382 
 
383 
Wed Sep 24 17:38:57 1997  Andrew Cagney
384 
 
385 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
386 
 
387 
Wed Sep 24 17:28:26 1997  Andrew Cagney
388 
 
389 
        * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
390 
 
391 
        * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
392 
        architecture with MSB == 31.
393 
 
394 
Wed Sep 24 14:04:20 1997  Andrew Cagney
395 
 
396 
        * v850.igen: Make divh insn with RRRRR==0 breakpoint.
397 
 
398 
Tue Sep 23 11:04:38 1997  Andrew Cagney
399 
 
400 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
401 
 
402 
Tue Sep 23 10:19:51 1997  Andrew Cagney
403 
 
404 
        * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
405 
        SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
406 
        (SIM_EXTRA_CFLAGS): Update.
407 
 
408 
Mon Sep 22 11:46:20 1997  Andrew Cagney
409 
 
410 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
411 
        * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
412 
 
413 
Fri Sep 19 17:45:25 1997  Andrew Cagney
414 
 
415 
        * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
416 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
417 
 
418 
Fri Sep 19 10:37:20 1997  Andrew Cagney
419 
 
420 
        * v850.igen (disp16): Use EXTEND16 to sign extend disp.
421 
        (disp22): Only shift left by 1, not 2.
422 
        ("jmp"): Ensure PC is 2 byte aligned.
423 
 
424 
        * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
425 
        v850.igen. Fix tracing.
426 
 
427 
        * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
428 
        "sld.w" insns to v850.igen.  Fix tracing.
429 
        (OP_70): Ditto for "sld.hu".
430 
 
431 
        * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
432 
 
433 
        * simops.c (condition_met): Make global.
434 
 
435 
        * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
436 
        TRACE_ST): Define.
437 
        (TRACE_LD_NAME): Define.
438 
 
439 
        * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
440 
 
441 
Wed Sep 17 16:21:08 1997  Andrew Cagney
442 
 
443 
        * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
444 
 
445 
        * interp.c (hash): Delete.
446 
 
447 
        * v850.igen (nop): Really do nothing.
448 
 
449 
        * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
450 
        before.
451 
        * v850.igen (reti): Return to current PC not previous.
452 
 
453 
Wed Sep 17 14:02:10 1997  Andrew Cagney
454 
 
455 
        * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
456 
        (trace_module): Global, save component/module name across insn.
457 
 
458 
        * simops.c: Move "bsh" to v850.igen, fix.
459 
 
460 
        * v850.igen (callt): Load correct number of bytes. Fix tracing.
461 
        (stsr, ldsr): Correct src, dest fields. Fix tracing.
462 
        (ctret): Force alignment.  Fix tracing.
463 
 
464 
Tue Sep 16 22:14:01 1997  Andrew Cagney
465 
 
466 
        * simops.c (trace_output): Add result argument.
467 
        (trace_result): New function.  Simpler version of trace_output,
468 
        assumes trace needed.
469 
        (trace_output): Call trace_result.
470 
        (trace_output): For IMM_REG_REG, trace correct register.
471 
        (trace_input): Add case for 16bit immediates.
472 
        (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
473 
 
474 
        * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
475 
        (trace_values, trace_name, trace_pc, trace_num_values): Make
476 
        global.
477 
        (GR, SR): Define.
478 
 
479 
        v850.insn (movea, stsr): Use.
480 
        (sxb, sxh, zxb, zxh): Ditto.
481 
 
482 
Tue Sep 16 21:14:01 1997  Andrew Cagney
483 
 
484 
        * simops.c: Move "movea" from here.
485 
        * v850.igen: To here.
486 
 
487 
        * v850.igen (simm16): Define, sign extend imm16.
488 
        (uimm16): Define, no sign extension.
489 
        (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
490 
 
491 
        * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
492 
        "mov32" from here.
493 
        * v850.igen: To here.
494 
        (switch): Fix off by two error in NIA calc.
495 
 
496 
Tue Sep 16 15:14:01 1997  Andrew Cagney
497 
 
498 
        * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
499 
        New static globals.
500 
        (trace_input): Just save pc, name and values for trace_output.
501 
        (trace_output): Write trace values to a buffer.  Use
502 
        trace_one_insn to print trace info and buffer.
503 
        (SIZE_OPERANDS, SIZE_LOCATION): Delete.
504 
 
505 
Tue Sep 16 09:02:00 1997  Andrew Cagney
506 
 
507 
        * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
508 
        can be masked out.
509 
 
510 
        * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
511 
        instructions from here.
512 
        * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
513 
        setting PSW.
514 
 
515 
        * interp.c (sim_open): Set psw_mask if machine known.
516 
 
517 
Tue Sep 16 10:20:00 1997  Andrew Cagney
518 
 
519 
        * v850-dc: Add rule to diferentiate between breakpoint and divh.
520 
        * v850.igen (break): New instruction, breakpoint simulator.
521 
        * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
522 
 
523 
Mon Sep 15 18:44:05 1997  Jim Wilson
524 
 
525 
        * simops.c (Multiply64): Don't store into register zero.
526 
 
527 
Tue Sep 16 09:02:00 1997  Andrew Cagney
528 
 
529 
        * Makefile.in (semantics.o): Add dependency.
530 
 
531 
        * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
532 
        do not adjust CIA/NIA.
533 
 
534 
Mon Sep 15 17:36:15 1997  Andrew Cagney
535 
 
536 
        * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
537 
 
538 
        * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
539 
        "divun", "pushml" code from here to v850.igen.
540 
        (divun): Make global.
541 
        (type3_regs): Make global
542 
 
543 
        * v850.igen: Move simops.c code to here.
544 
 
545 
        * interp.c (sim_create_inferior): For v850eq set US bit by
546 
        default.
547 
 
548 
        * interp.c (sim_open): Don't set arch, now set by
549 
        sim_analyze_program.
550 
 
551 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
552 
 
553 
Mon Sep 15 14:39:34 1997  Andrew Cagney
554 
 
555 
        * simops.c (op_types): Move from here.
556 
        sim-main.h: To here.
557 
 
558 
        * sim-main.h (trace_input, trace_output), simops.c: Make global.
559 
 
560 
        * simops.c (OP_60): Move "jmp" code from here.
561 
        * v850.igen (jmp): To here.
562 
 
563 
        * simops.c (OP_60): Move "sld.bu" code from here.
564 
        * v850.igen (sld.bu): To here.
565 
 
566 
Fri Sep 12 15:11:03 1997  Andrew Cagney
567 
 
568 
        * v850.igen (prepare, ...): Add to v850eq architecture.
569 
 
570 
        * interp.c (sim_open): Default to v850eq.
571 
 
572 
        * interp.c (sim_open): Default to v850e.
573 
        * sim-main.h (signal.h): Include.
574 
 
575 
        * v850.igen (illegal): Report/halt illegal instructions.
576 
 
577 
        * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
578 
 
579 
        * configure.in: Add reserved bits option.
580 
        * configure: Regenerate.
581 
 
582 
Thu Sep 11 08:40:03 1997  Andrew Cagney
583 
 
584 
        * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
585 
 
586 
        * sim-main.h (INSN_NAME):
587 
 
588 
        * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
589 
        (SIM_EXTRA_DEPS): Add itable.h
590 
        (tmp-gencode): Does not depend on simops.h
591 
 
592 
        * sim-main.h (itable.h): Include.
593 
        (MAX_INSNS, INSN_NAME): Define.
594 
 
595 
        * interp.c: Compute inttype from the interrupt_names index that
596 
        was passed in.
597 
 
598 
Wed Sep 10 10:25:40 1997  Andrew Cagney
599 
 
600 
        * simops.c (trace_input): Use trace_printf instead of
601 
        sim_io_printf.
602 
        (trace_output): Ditto.
603 
        (trace_input): Only trace when TRACE_ALU_P.  Delete code
604 
        disasembling instruction.
605 
        (trace_output): Only trace when TRACE_ALU_P.
606 
 
607 
Tue Sep  9 01:29:50 1997  Andrew Cagney
608 
 
609 
        * simops.c (trace_input, trace_output): Use sim_io_printf.
610 
        (OP_620): Pass correct argument to trace.
611 
        (OP_E607E0): Ditto.
612 
        (trace_input): Obtain prog_bfd, text_start et.al from simulator
613 
        struct.
614 
 
615 
Mon Sep  8 21:03:52 1997  Andrew Cagney
616 
 
617 
        * v850.igen: New file.
618 
        * v850-dc: New file.
619 
 
620 
Mon Sep  8 18:33:04 1997  Andrew Cagney
621 
 
622 
 
623 
        * sim-main.h (SEXT16): Delete, use EXTEND16.
624 
        (SEXT8): Delete, use EXTEND8.
625 
        (SEXT32): Delete, used?
626 
        (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
627 
        (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
628 
 
629 
        * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
630 
 
631 
        * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
632 
        replace with TRACE_INSN_P and TRACE_ALU_P.
633 
 
634 
        * simops.c (trace_input, trace_output): Update.
635 
 
636 
        * interp.c (sim_engine_run): Delete.
637 
        (lookup_hash): Delete.
638 
        (sim_open): Do not fill hash table.
639 
        (sim_trace): Delete.
640 
 
641 
Fri Sep  5 17:04:48 1997  Andrew Cagney
642 
 
643 
        * simops.c (OP_FFFF): Use sim_engine_halt.
644 
        (OP_12007E0): Ditto.
645 
        (OP_10007E0): Ditto.
646 
 
647 
        * sim-main.h (struct sim_cpu): Delete member exception. Using
648 
        sim-engine et.al.
649 
 
650 
        * interp.c (sim_info): Do not do anything in sim-info.
651 
        (sim_stop): Delete, replace with sim-stop.
652 
        (sim_stop_reason): Delete, replace with sim-reason.
653 
 
654 
        * sim-main.h (WITH_WATCHPOINTS): Define.
655 
        (WITH_MODULO_MEMORY): Define
656 
 
657 
        * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
658 
        sim-reason.
659 
 
660 
        * interp.c (enum interrupt_cond_type): Delete.
661 
        (struct interrupt_generator): Delete.
662 
        (enum interrupt_type): Drop int_none.
663 
        (sim_open): Initialize WATCHPOINT module.
664 
        (sim_resume, sim_run): Rename sim_resume to sim_run.
665 
        (sim_engine_run): Replace interrupt code with call to sim-events.
666 
        (sim_set_interrupt): Delete.
667 
        (sim_parse_number): Delete.
668 
 
669 
Thu Sep  4 17:21:23 1997  Doug Evans
670 
 
671 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
672 
 
673 
Thu Sep  4 18:11:37 1997  Andrew Cagney
674 
 
675 
        * simops.c (fetch_argv): New function, fetch a arg vector from
676 
        simulator memory.
677 
 
678 
        * configure.in: Check for fork, execve, execv.
679 
        * configure: Regenerate.
680 
 
681 
        * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
682 
        T2H_4 for byte swapping.
683 
 
684 
        * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
685 
        put_half, put_byte): Delete.
686 
 
687 
        * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
688 
 
689 
        * sim-main.h (load_mem, store_mem): Redefine as macros.
690 
        (IMEM, IMEM_IMMED): New macros - fetch instructions.
691 
 
692 
        * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
693 
        transfer data via a buffer.
694 
        (fetch_str): New function, fetch string from memory.
695 
 
696 
        * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
697 
 
698 
        * interp.c (sim_open): Establish memory maps using sim-memopt.c
699 
        via sim_do_command.
700 
        (sim_do_command): Print error if memory-map command is used. Call
701 
        sim_args_command.
702 
        (map): Delete, replaced by sim-core.
703 
        (sim_memory_init): Delete, replaced by sim-core.
704 
        (sim_set_memory_map): Delete, replaced by sim-memopt.
705 
        (load_mem): Delete, replaced by sim-core.
706 
        (store_mem): Delete, replaced by sim-core.
707 
        (sim_write): Delete, replaced by sim-hrw.
708 
        (sim_read): Delete, replaced by sim-hrw.
709 
 
710 
        * sim-main.h (struct sim_state): Remove memory members, using
711 
        sim-core.c
712 
 
713 
Wed Sep  3 10:18:55 1997  Andrew Cagney
714 
 
715 
        * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
716 
        * interp.c (map): Do not add to a void pointer.
717 
 
718 
        * Makefile.in (INCLUDE): Add sim-main.h
719 
 
720 
        * configure.in: Check for time.h
721 
        * configure: Re-generate.
722 
 
723 
        * interp.c (struct interrupt_generator): Make time unsigned long,
724 
        address SIM_ADDR.
725 
        (sim_resume): Make oldpc SIM_ADDR.
726 
        (struct hash_entry): Make mask/opcode unsigned.
727 
 
728 
        * v850_sim.h (struct simops ): Make opcode and mask unsigned.
729 
 
730 
        * simops.c (utime.h): Include if available.
731 
        (OP_10007E0): Check for UTIME function.
732 
        (divun): Put parentheses around shift argument.
733 
        (OP_640): Put parentheses around shift argument, was wrong.
734 
        (OP_107F0): Return something.
735 
 
736 
        * interp.c (sim_parse_number): Use strtoul not strtol.
737 
        (sim_resume): Use sim_elapsed_time_get to keep track of the time.
738 
 
739 
        * configure.in (SIM_AC_OPTION_WARNINGS): Add.
740 
        (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
741 
        (SIM_AC_OPTION_HOST_ENDIAN): Add.
742 
        (AC_CHECK_FUNCS): Add utime.
743 
        (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
744 
        configure: Regenerate.
745 
 
746 
 
747 
        * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
748 
        (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
749 
        sim-config.o, sim-module.o, sim-events.o, sim-core.o,
750 
        sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
751 
        (SIM_ENDIAN, SIM_WARNGINS): Define.
752 
 
753 
        * simops.c (OP_10007E0): Use sim_io_* for transfers.
754 
 
755 
        * interp.c (sim_resume): Pass sd around.
756 
 
757 
        * simops.c (sim-main.h): Include.
758 
 
759 
        * gencode.c (write_template): Generate #include sim-main.h.
760 
        (write_opcodes): Ditto.
761 
 
762 
        * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
763 
        (v850_callback): Ditto.
764 
        (sim_kind, myname): Ditto.
765 
        (lookup_hash): Pass SD. Use sim_io_error.
766 
        (sim_set_memory_map): Pass in SD, use.
767 
        (init_system): Pass in SD, use.
768 
        (sim_open): Update.
769 
        (sim_set_profile): Delete.
770 
        (sim_set_profile_size): Delete.
771 
        (do_interrupt): Pass in SD, use.
772 
        (sim_info): Use sim_io_printf.
773 
        (sim_create_inferior): Reset registers.  Set PC from prog_bfd
774 
        argument.
775 
        (sim_load): Delete, use common/sim-hload.c
776 
        (sim_size): Rename to sim_memory_init.
777 
        (sim_write): Remove call to init_system.
778 
        (init_system): Delete.
779 
        (sim_set_callbacks): Delete.
780 
        (sim_set_interrupt): Pass in SD, use.
781 
        (start_time): Delete.
782 
 
783 
        * v850_sim.h: Remove everything except `struct simops' from here.
784 
        * sim-main.h: Move most to here.
785 
        * gencode.c: Move #includes to here.
786 
 
787 
        * sim-main.h(struct _sim_cpu): Rename struct _state.
788 
        (#define PC, et.al.): Update
789 
        (v850_callback): Delete.  Replaced with SIM_DESC arg.
790 
        (int8, uint8, int16, uint16, int32, uint32): Define types using
791 
        unsigned8 et.al from common/sim-types.h.
792 
        * sim-main.h (State): Define as STATE_CPU.
793 
 
794 
Mon Sep  1 12:07:55 1997  Andrew Cagney
795 
 
796 
        * configure.in: Check for time, chmod.
797 
        * configure: Regenerate.
798 
        * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
799 
 
800 
        * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
801 
        sys/syscall.h.
802 
        (OP_10007E0): Check the existance each SYS_* macro independantly.
803 
 
804 
        * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
805 
 
806 
Wed Aug 27 18:13:22 1997  Andrew Cagney
807 
 
808 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
809 
        * config.in: Ditto.
810 
 
811 
Tue Aug 26 10:42:38 1997  Andrew Cagney
812 
 
813 
        * interp.c (sim_kill): Delete.
814 
        (sim_create_inferior): Add ABFD argument.
815 
        (sim_load): Move setting of PC from here.
816 
        (sim_create_inferior): To here.
817 
 
818 
Mon Aug 25 17:50:22 1997  Andrew Cagney
819 
 
820 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
821 
        * config.in: Ditto.
822 
 
823 
Mon Aug 25 11:31:23 1997  Andrew Cagney
824 
 
825 
        * interp.c (sim_open): Add ABFD argument.
826 
 
827 
Fri Aug 22 10:39:28 1997  Nick Clifton
828 
 
829 
        * simops.c (bsh): Only set CY flag if either of the bottom
830 
        bytes is zero.
831 
 
832 
        * simops.c (prepare, dispose): Lower numbered
833 
        registers go to higher numbered address.
834 
 
835 
        * simops.c (unsigned divide instructions): S bit set if result has
836 
        top bit set.
837 
 
838 
        * simops.c (pushml, pushmh, popml, popmh): Lower numbered
839 
        registers go to higher numbered address.
840 
 
841 
Wed Aug 20 13:56:35 1997  Nick Clifton
842 
 
843 
        * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
844 
        interpretation of SR bit in list18 structure.
845 
        (divn, divun): New functions to perform N step divide functions.
846 
 
847 
Mon Aug 18 10:59:02 1997  Nick Clifton
848 
 
849 
        * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
850 
        with US bit set in the PSW.
851 
 
852 
Wed Aug 13 19:06:55 1997  Nick Clifton
853 
 
854 
        * interp.c (sim_resume): Opcode functions return amount to be
855 
        added to PC and all opcodes take a standard format in the OP[]
856 
        array.
857 
 
858 
        (do_format_*): Functions removed.
859 
 
860 
        * v850_sim.h (SP, EP): New register mnemonics.
861 
 
862 
        * gencode.c (write_header): Functions prototypes return an
863 
        integer.
864 
 
865 
        * simops.c: Opcode functions return amount to be added to PC.
866 
 
867 
        * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
868 
 
869 
        * simops.c: Add support for v850e instructions.
870 
 
871 
        * simops.c: Add support for v850eq instructions.
872 
 
873 
Tue May 20 10:24:14 1997  Andrew Cagney
874 
 
875 
        * interp.c (sim_open): Add callback argument.
876 
        (sim_set_callbacks): Delete SIM_DESC argument.
877 
 
878 
Thu Apr 24 00:39:51 1997  Doug Evans
879 
 
880 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
881 
 
882 
Wed Apr 23 17:20:16 1997  Doug Evans
883 
 
884 
        * interp.c (prog_bfd_was_opened_p): New static local.
885 
        (prog_bfd): New global variable.
886 
        (sim_open): Undo patch to add -E support.
887 
        (sim_close): Close prog_bfd if sim_load opened it.
888 
        (sim_load): Record bfd of loaded file in prog_bfd.
889 
        * simops.c (prog_bfd): Renamed from exec_bfd.
890 
 
891 
Fri Apr 18 14:17:12 1997  Andrew Cagney
892 
 
893 
        * interp.c (sim_stop): Stub function.
894 
 
895 
Thu Apr 17 03:53:18 1997  Doug Evans
896 
 
897 
        * Makefile.in (SIM_OBJS): Add sim-load.o.
898 
        * interp.c (sim_kind, myname): New static locals.
899 
        (sim_open): Set sim_kind, myname.  Ignore -E arg.
900 
        (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
901 
        load file into simulator.  Set start address from bfd.
902 
        (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
903 
 
904 
Wed Apr 16 19:53:55 1997  Andrew Cagney
905 
 
906 
        * simops.c (OP_10007E0): Only provide system calls SYS_execv,
907 
        SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
908 
 
909 
Mon Apr  7 15:45:02 1997  Andrew Cagney
910 
 
911 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
912 
        * config.in: Ditto.
913 
 
914 
Wed Apr  2 15:06:28 1997  Doug Evans
915 
 
916 
        * interp.c (sim_open): New arg `kind'.
917 
 
918 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
919 
 
920 
Wed Apr  2 14:34:19 1997 Andrew Cagney
921 
 
922 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
923 
 
924 
Wed Mar 19 01:14:00 1997  Andrew Cagney
925 
 
926 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
927 
 
928 
Mon Mar 17 15:10:07 1997  Andrew Cagney
929 
 
930 
        * configure: Re-generate.
931 
 
932 
Fri Mar 14 10:34:11 1997  Michael Meissner
933 
 
934 
        * configure: Regenerate to track ../common/aclocal.m4 changes.
935 
 
936 
Thu Mar 13 13:00:54 1997  Doug Evans
937 
 
938 
        * interp.c (sim_open): New SIM_DESC result.  Argument is now
939 
        in argv form.
940 
        (other sim_*): New SIM_DESC argument.
941 
 
942 
Tue Feb  4 13:33:30 1997  Doug Evans
943 
 
944 
        * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
945 
        COMMON_{PRE,POST}_CONFIG_FRAG instead.
946 
        * configure.in: sinclude ../common/aclocal.m4.
947 
        * configure: Regenerated.
948 
 
949 
Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
950 
 
951 
        * configure configure.in Makefile.in:  Update to new configure
952 
        scheme which is more compatible with WinGDB builds.
953 
        * configure.in:  Improve comment on how to run autoconf.
954 
        * configure:  Re-run autoconf to get new ../common/aclocal.m4.
955 
        * Makefile.in:  Use autoconf substitution to install common
956 
        makefile fragment.
957 
 
958 
Mon Jan 20 16:05:34 1997  Michael Meissner
959 
 
960 
        * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
961 
        not zero extend.
962 
 
963 
Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
964 
 
965 
        * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
966 
        of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
967 
        SYS_gettimeofday and SYS_utime from MSVC.
968 
 
969 
Tue Dec 31 18:11:13 1996  Michael Meissner
970 
 
971 
        * simops.c (OP_10007E0): Know that kill encodes the signal number
972 
        via: 0xdead0000 | signal and turn it back into a signal.
973 
 
974 
Fri Dec 27 14:44:06 1996  Michael Meissner
975 
 
976 
        * v850_sim.h (SIG_V850_EXIT): Define as -1.
977 
 
978 
        * interp.c (sim_open): Cast calloc function.
979 
        (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
980 
        program exited with the appropriate exit code.
981 
        (sim_set_interrupt): Declare buildargv.
982 
 
983 
        * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
984 
        type correct and work on big endian systems.
985 
 
986 
Wed Nov 20 02:18:44 1996  Doug Evans
987 
 
988 
        * Makefile.in: Delete stuff moved to ../common/Make-common.in.
989 
        (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
990 
        * configure.in: Simplify using macros in ../common/aclocal.m4.
991 
        Call AC_CHECK_HEADERS(unistd.h).
992 
        * configure: Regenerated.
993 
        * config.in: New file.
994 
        * simops.c: #include "config.h".  #include  if present.
995 
 
996 
Sun Nov  3 23:02:54 1996  Stan Shebs
997 
 
998 
        * v850_sim.h (State): New slots dummy_mem, pending_nmi.
999 
        (EIPC, etc): New macros for system registers.
1000 
        * simops.c, interp.c: Use everywhere.
1001 
 
1002 
        * interp.c: Add support for interrupts issued by interrupt
1003 
        generators, either PC- or time-based.  Controlled by simulator
1004 
        command "sim interrupt".
1005 
 
1006 
        * interp.c: Add support for variable-size allocation of memory,
1007 
        via simulator command "sim memory-map".
1008 
        (map): Issue SIGSEGV for references to invalid memory regions.
1009 
 
1010 
Thu Oct 31 14:44:10 1996  Gavin Koch
1011 
 
1012 
        * simops.c: Include  for struct timeval and
1013 
        struct timezone.
1014 
 
1015 
Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
1016 
 
1017 
        * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
1018 
 
1019 
        * simops.c (OP_10007E0): Handle SYS_time.
1020 
 
1021 
Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
1022 
 
1023 
        * simops.c: Include .
1024 
        (OP_10007E0): Handle SYS_stat.
1025 
 
1026 
Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
1027 
 
1028 
        * simops.c (OP_10007E0): Don't declare errno.
1029 
 
1030 
        * simops.c (OP_500): Mask off low bit in displacement
1031 
        for sld.w.
1032 
        (OP_501): Similarly.
1033 
 
1034 
        * simops.c (OP_500): Fix displacement handling for sld.w.
1035 
        (OP_501): Similarly for sst.w.
1036 
 
1037 
        * simops.c (trace_input): Remove all references to SEXT7.
1038 
        (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
1039 
        is zero extended for sst/sld instructions.
1040 
        * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
1041 
        was incorrect anyway).
1042 
 
1043 
Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
1044 
 
1045 
        * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
1046 
        autoconf.
1047 
        * gencode.c (write_opcodes):  Pad operands field to account for
1048 
        MSVC braindamage.
1049 
        * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
1050 
        doesn't support it.  (Why is this here in the first place?!?)
1051 
        * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
1052 
        Change number of operands in struct simops from 9 to 6.  Define
1053 
        SIGTRAP and SIGQUIT for MSVC.
1054 
 
1055 
Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
1056 
 
1057 
        * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
1058 
        * (map):  Add support for external mem in the 1->2 meg range.
1059 
        Also, abort() when memory access is way out of bounds.  (Better to
1060 
        die than to give wrong result.  (This will be fixed later.))
1061 
        * (sim_size):  MEM_SIZE is now bytes, not shift factor.
1062 
 
1063 
Tue Oct  1 15:53:24 1996  Gavin Koch
1064 
 
1065 
        * simops.c (trace_input): Swapped order of operands for output
1066 
        output of OP_IMM_REG.  Changed the fetching of the operands for
1067 
        OP_LOAD32, and OP_STORE32 to work like op-function.
1068 
 
1069 
Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
1070 
 
1071 
        * interp.c:  Move includes of remote-sim.h and callback.h to
1072 
        v850-sim.h.
1073 
        * (lookup_hash): Add PC to report of hash failure.
1074 
        * (map load_mem store_mem):  New memory subsystem.  Models V851
1075 
        memory system.
1076 
        * (sim_write sim_read):  Use new memory subsystem.
1077 
        * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
1078 
        to make user-defined traps work right.
1079 
        * simops.c (OP_*):  Use new memory subsystem.
1080 
        * (OP_14007E0 (reti)):  Implement reti.
1081 
        * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
1082 
        trap 31.  Use new memory subsystem.
1083 
        * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
1084 
        load_mem in RLW macro.
1085 
 
1086 
Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
1087 
 
1088 
        * gencode.c (write_opcodes):  Output hex values for opcode mask
1089 
        and patterns.
1090 
        * interp.c (sim_resume):  Save and restore PC from the appropriate
1091 
        register.
1092 
        * (sim_fetch_register sim_store_register):  Fix byte-order problem
1093 
        with reading and writing registers.
1094 
        * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
1095 
 
1096 
Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
1097 
 
1098 
        * simops.c (trace_input): Fix thinko.
1099 
 
1100 
Wed Sep 18 09:54:12 1996  Michael Meissner
1101 
 
1102 
        * simops.c (exec_bfd): Rename from sim_bfd.
1103 
        (trace_input): Ditto.
1104 
 
1105 
Thu Sep 12 12:03:05 1996  Michael Meissner
1106 
 
1107 
        * simops.c (trace_input): Use find_nearest_line to print line
1108 
        number, function name or file name of PC.
1109 
 
1110 
Wed Sep 11 16:44:37 1996  Michael Meissner
1111 
 
1112 
        * simops.c: Add tracing support.  Use SEXTxx macros instead of
1113 
        doing hardwired shifts.
1114 
 
1115 
        * configure.in (--enable-sim-cflags): Add switch to add additional
1116 
        flags to simulator buld.  If --enable-sim-cflags=trace, turn on
1117 
        tracing.
1118 
        * configure: Regenerate.
1119 
 
1120 
        * Makefile.in: Don't require a VPATH capable make if configuring
1121 
        in the same directory.  Don't use CFLAGS for configuration flags.
1122 
        Add flags from --enable-sim-cflags.  Support canadian cross
1123 
        builds.  Rebuild whole simulator if include files change.
1124 
 
1125 
        * interp.c (v850_debug): New global for debugging.
1126 
        (lookup_hash,sim_size,sim_set_profile): Use
1127 
        printf_filtered callback, instead of calling printf directly.
1128 
        (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1129 
 
1130 
        * v850_sim.h: Use limits.h to set the various sized types.
1131 
        (SEXT{5,7,16,22}): New macros.
1132 
 
1133 
Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
1134 
 
1135 
        * interp.c (hash): Make this an inline function
1136 
        when compiling with GCC.  Simplify.
1137 
        * simpos.c: Explicitly include "sys/syscall.h".  Remove
1138 
        some #if 0'd code.  Enable more emulated syscalls.
1139 
 
1140 
Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
1141 
 
1142 
        * interp.c: Fix sign bit handling for add and sub instructions.
1143 
 
1144 
Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
1145 
 
1146 
        * gencode.c: Fix various indention & style problems.
1147 
        Remove test code.  Remove #if 0 code.
1148 
        * interp.c: Provide prototypes for all static functions.
1149 
        Fix minor indention problems.
1150 
        (sim_open, sim_resume): Remove unused variables.
1151 
        (sim_read): Return type is "int".
1152 
        * simops.c: Remove unused variables.
1153 
        (divh): Make result of divide-by-zero zero.
1154 
        (setf): Initialize result to keep compiler quiet.
1155 
        (sar instructions): These just clear the overflow bit.
1156 
        * v850_sim.h: Provide prototypes for put_byte, put_half
1157 
        and put_word.
1158 
 
1159 
        * interp.c: OP should be an array of 32bit operands!
1160 
        (v850_callback): Declare.
1161 
        (do_format_5): Fix extraction of OP[0].
1162 
        (sim_size): Remove debugging printf.
1163 
        (sim_set_callbacks): Do something useful.
1164 
        (sim_stop_reason): Gross hacks to get c-torture running.
1165 
        * simops.c: Simplify code for computing targets of bCC
1166 
        insns.   Invert 's' bit if 'ov' bit is set for some
1167 
        instructions.  Fix 'cy' bit handling for numerous
1168 
        instructions.  Make the simulator stop when a halt
1169 
        instruction is encountered.  Very crude support for
1170 
        emulated syscalls (trap 0).
1171 
        * v850_sim.h: Include "callback.h" and declare
1172 
        v850_callback.  Items in the operand array are 32bits.
1173 
 
1174 
Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
1175 
 
1176 
        * interp.c (sim_resume): Fix code to check for a format 3
1177 
        opcode.
1178 
        * simops.c: bCC insns only argument is a constant, not a
1179 
        register value (duh...)
1180 
 
1181 
Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
1182 
 
1183 
        * simops.c: Fix "not1" and "set1".
1184 
 
1185 
        * simops.c: Don't forget to initialize temp for
1186 
        "ld.h" and "ld.w"
1187 
 
1188 
        * interp.c: Remove various debugging printfs.
1189 
 
1190 
        * simops.c: Fix satadd, satsub boundary case handling.
1191 
 
1192 
        * interp.c (hash): Fix.
1193 
        * interp.c (do_format_8): Get operands correctly and
1194 
        call the target function.
1195 
        * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1196 
 
1197 
Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
1198 
 
1199 
        * interp.c (do_format_4): Get operands correctly and
1200 
        call the target function.
1201 
        * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1202 
        "sst.h", and "sst.w".
1203 
 
1204 
        * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
1205 
        accordingly.  Remove many unused definitions.
1206 
        * interp.c: The V850 doesn't have split I&D spaces.  Change
1207 
        accordingly.
1208 
        (get_longlong, get_longword, get_word): Deleted.
1209 
        (write_longlong, write_longword, write_word): Deleted.
1210 
        (get_operands): Deleted.
1211 
        (get_byte, get_half, get_word): New functions.
1212 
        (put_byte, put_half, put_word): New functions.
1213 
        * simops.c: Remove unused functions.  Rough cut at
1214 
        "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1215 
 
1216 
        * v850_sim.h (struct _state): Remove "psw" field.  Add
1217 
        "sregs" field.
1218 
        (PSW): Remove bogus definition.
1219 
        * simops.c: Change condition code handling to use the psw
1220 
        register within the sregs array.  Handle "ldsr" and "stsr".
1221 
 
1222 
        * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1223 
 
1224 
        * interp.c (do_format_5): Get operands correctly and
1225 
        call the target function.
1226 
        (sim_resume): Don't do a PC update for format 5 instructions.
1227 
        * simops.c: Handle "jarl" and "jmp" instructions.
1228 
 
1229 
        * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
1230 
        "di", and "ei" instructions correctly.
1231 
 
1232 
        * interp.c (do_format_3): Get operands correctly and call
1233 
        the target function.
1234 
        * simops.c: Handle bCC instructions.
1235 
 
1236 
        * simops.c: Add condition code handling to shift insns.
1237 
        Fix minor typos in condition code handling for other insns.
1238 
 
1239 
        * Makefile.in: Fix typo.
1240 
        * simops.c: Add condition code handling to "sub" "subr" and
1241 
        "divh" instructions.
1242 
 
1243 
        * interp.c (hash): Update to be more accurate.
1244 
        (lookup_hash): Call hash rather than computing the hash
1245 
        code here.
1246 
        (do_format_1_2): Handle format 1 and format 2 instructions.
1247 
        Get operands correctly and call the target function.
1248 
        (do_format_6): Get operands correctly and call the target
1249 
        function.
1250 
        (do_formats_9_10): Rough cut so shift ops will work.
1251 
        (sim_resume): Tweak to deal with format 1 and format 2
1252 
        handling in a single funtion.  Don't update the PC
1253 
        for format 3 insns.  Fix typos.
1254 
        * simops.c: Slightly reorganize.  Add condition code handling
1255 
        to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1256 
        and "not" instructions.
1257 
        * v850_sim.h (reg_t): Registers are 32bits.
1258 
        (_state): The V850 has 32 general registers.  Add a 32bit
1259 
        psw and pc register too.  Add accessor macros
1260 
 
1261 
        * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1262 
        changes from the d10v simulator.
1263 
 
1264 
        * simops.c: Add shift support.
1265 
 
1266 
        * simops.c: Add multiply & divide support.  Abort for system
1267 
        instructions.
1268 
 
1269 
        * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1270 
        and subr.  No condition codes yet.
1271 
 
1272 
Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
1273 
 
1274 
        * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1275 
        gencode.c, interp.c, simops.c: Created.
1276 
 

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