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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [v850/] [ChangeLog] - Blame information for rev 824

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Line No. Rev Author Line
1 24 jeremybenn 
2008-02-05  DJ Delorie
2 
 
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 
 
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 
 
33 
2007-02-20  Daniel Jacobowitz
34 
 
35 
        * Makefile.in (interp.o): Uncomment and update.
36 
 
37 
2006-12-21  Hans-Peter Nilsson
38 
 
39 
        * acconfig.h: Remove.
40 
        * config.in: Regenerate.
41 
 
42 
2006-06-13  Richard Earnshaw
43 
 
44 
        * configure: Regenerated.
45 
 
46 
2006-06-05  Daniel Jacobowitz
47 
 
48 
        * configure: Regenerated.
49 
 
50 
2006-05-31  Daniel Jacobowitz
51 
 
52 
        * configure: Regenerated.
53 
 
54 
2005-03-23  Mark Kettenis
55 
 
56 
        * configure: Regenerate.
57 
 
58 
2005-01-14  Andrew Cagney
59 
 
60 
        * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
61 
        explicit call to AC_CONFIG_HEADER.
62 
        * configure: Regenerate.
63 
 
64 
2005-01-12  Andrew Cagney
65 
 
66 
        * configure.ac: Update to use ../common/common.m4.
67 
        * configure: Re-generate.
68 
 
69 
2005-01-11  Andrew Cagney
70 
 
71 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
72 
 
73 
2005-01-07  Andrew Cagney
74 
 
75 
        * configure.ac: Rename configure.in, require autoconf 2.59.
76 
        * configure: Re-generate.
77 
 
78 
2004-12-08  Hans-Peter Nilsson
79 
 
80 
        * configure: Regenerate for ../common/aclocal.m4 update.
81 
 
82 
2004-01-18  Mark Kettenis
83 
 
84 
        * simops.c: Include .
85 
 
86 
2003-09-05  Andrew Cagney
87 
            Nick Clifton
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 
 
98 
2003-05-16  Ian Lance Taylor
99 
 
100 
        * Makefile.in (SHELL): Make sure this is defined.
101 
        (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
102 
 
103 
2003-04-06  Nick Clifton
104 
 
105 
        * simops.c (OP_40): Delete.  Move code to...
106 
        * v850-igen.c (): ...Here. Sign extend the first operand.
107 
        * simops.h (OP_40): Remove prototype.
108 
 
109 
2003-02-27  Andrew Cagney
110 
 
111 
        * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
112 
 
113 
2002-11-30  Andrew Cagney
114 
 
115 
        * simops.c: Use int, 1, 0 instead of boolean, true and false.
116 
        * sim-main.h: Ditto.
117 
 
118 
2002-09-27  Jim Wilson
119 
 
120 
        * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
121 
        before.
122 
        (BIT_CHANGE_OP): Likewise.
123 
 
124 
2002-09-26  Jim Wilson
125 
 
126 
        * simops (OP_10007E0): Don't subtract 4 from PC.
127 
 
128 
2002-09-19  Nick Clifton
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 
 
136 
2002-08-29  Nick Clifton
137 
 
138 
        From 2001-08-23  Catherine Moore
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 
 
145 
2002-06-17  Andrew Cagney
146 
 
147 
        * simops.c (trace_result): Fix printf formatting.
148 
 
149 
2002-06-16  Andrew Cagney
150 
 
151 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
152 
 
153 
2001-12-02  Andrew Cagney
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 
 
161 
2001-04-15  J.T. Conklin
162 
 
163 
        * Makefile.in (simops.o): Add simops.h to dependency list.
164 
 
165 
2001-03-14  Andrew Cagney
166 
 
167 
        * Makefile.in (gencode): Link with libintl.
168 
 
169 
2001-01-31  Jonathan Larmour
170 
 
171 
        * Makefile.in (gencode): Link with libopcodes in build tree rather
172 
        than building source files from there.
173 
 
174 
2000-05-30  Nick Clifton
175 
 
176 
        * v850.igen: Remove illegal instruction pattern, since it is the
177 
        same as the breakpoint pattern.
178 
 
179 
Tue May 23 21:39:23 2000  Andrew Cagney
180 
 
181 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
182 
 
183 
2000-04-14  Gary Thomas
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 
 
188 
2000-03-24  Frank Ch. Eigler
189 
 
190 
        * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
191 
 
192 
Thu Sep  2 18:15:53 1999  Andrew Cagney
193 
 
194 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
195 
 
196 
1999-05-08  Felix Lee
197 
 
198 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
199 
 
200 
Tue Dec  1 17:25:16 1998  Andrew Cagney
201 
 
202 
        * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
203 
 
204 
Wed Nov 25 17:52:58 1998  Andrew Cagney
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 
 
212 
Fri Oct  9 18:02:25 1998  Doug Evans
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 
 
219 
Wed May  6 19:43:27 1998  Doug Evans
220 
 
221 
        * sim-main.h (INSN_NAME): New arg `cpu'.
222 
 
223 
Tue Apr 28 18:33:31 1998  Geoffrey Noer
224 
 
225 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
226 
 
227 
Sun Apr 26 15:31:55 1998  Tom Tromey
228 
 
229 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
230 
        * config.in: Ditto.
231 
 
232 
Sun Apr 26 15:19:14 1998  Tom Tromey
233 
 
234 
        * acconfig.h: New file.
235 
        * configure.in: Reverted change of Apr 24; use sinclude again.
236 
 
237 
Fri Apr 24 14:16:40 1998  Tom Tromey
238 
 
239 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
240 
        * config.in: Ditto.
241 
 
242 
Fri Apr 24 11:18:08 1998  Tom Tromey
243 
 
244 
        * configure.in: Don't call sinclude.
245 
 
246 
Sat Apr  4 20:36:25 1998  Andrew Cagney
247 
 
248 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
249 
        * sim-main.h (SIM_MAIN_H): Wrap header.
250 
 
251 
Fri Mar 27 16:15:52 1998  Andrew Cagney
252 
 
253 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
254 
 
255 
Wed Mar 25 12:35:29 1998  Andrew Cagney
256 
 
257 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
258 
 
259 
Tue Mar 10 15:54:50 1998  Andrew Cagney
260 
 
261 
        * interp.c (sim_stop): Delete, second attempt.
262 
 
263 
Thu Feb 26 19:09:47 1998  Andrew Cagney
264 
 
265 
        * interp.c (sim_info): Delete.
266 
 
267 
Wed Feb 18 10:47:32 1998  Andrew Cagney
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 
 
279 
Tue Feb 17 12:51:18 1998  Andrew Cagney
280 
 
281 
        * interp.c (sim_store_register, sim_fetch_register): Pass in
282 
        length parameter.  Return -1.
283 
 
284 
Tue Feb  3 16:24:42 1998  Andrew Cagney
285 
 
286 
        * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
287 
        IMEM_IMMED. To match recent igen change.
288 
 
289 
Sun Feb  1 16:47:51 1998  Andrew Cagney
290 
 
291 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
292 
 
293 
Sat Jan 31 18:15:41 1998  Andrew Cagney
294 
 
295 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
296 
 
297 
Fri Jan 30 09:51:27 1998  Andrew Cagney
298 
 
299 
        * sim-main.h (CPU_CIA): Delete, replaced by.
300 
        (CIA_SET, CIA_SET): Define.
301 
 
302 
Mon Jan 19 22:26:29 1998  Doug Evans
303 
 
304 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
305 
 
306 
Mon Dec 15 23:17:11 1997  Andrew Cagney
307 
 
308 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
309 
        * config.in: Ditto.
310 
 
311 
Fri Dec  5 09:26:08 1997  Nick Clifton
312 
 
313 
        * v850.igen: Revert break value back to its old value.
314 
 
315 
Thu Dec  4 09:21:05 1997  Doug Evans
316 
 
317 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
318 
 
319 
Wed Dec  3 17:27:19 1997  Nick Clifton
320 
 
321 
        * v850.igen: Make break have a zero first field, since otherwise
322 
        it clashes with the DIVH instruction.
323 
 
324 
Sat Nov 22 21:32:07 1997  Andrew Cagney
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 
 
339 
Tue Nov 18 15:33:48 1997  Doug Evans
340 
 
341 
        * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
342 
 
343 
Fri Oct 31 10:33:40 1997  Andrew Cagney
344 
 
345 
        * interp.c (sim_open): Check state magic number.
346 
        (sim-assert.h): Include.
347 
 
348 
Tue Oct 28 11:06:47 1997  Andrew Cagney
349 
 
350 
        * v850.igen: Add model filter field to records.
351 
 
352 
Fri Oct  3 09:28:00 1997  Andrew Cagney
353 
 
354 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
355 
 
356 
Fri Sep 26 11:56:02 1997  Felix Lee
357 
 
358 
        * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
359 
        SIM_ENGINE_RESTART_HOOK.
360 
 
361 
Wed Sep 24 17:38:57 1997  Andrew Cagney
362 
 
363 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
364 
 
365 
Wed Sep 24 17:28:26 1997  Andrew Cagney
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 
 
372 
Wed Sep 24 14:04:20 1997  Andrew Cagney
373 
 
374 
        * v850.igen: Make divh insn with RRRRR==0 breakpoint.
375 
 
376 
Tue Sep 23 11:04:38 1997  Andrew Cagney
377 
 
378 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
379 
 
380 
Tue Sep 23 10:19:51 1997  Andrew Cagney
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 
 
386 
Mon Sep 22 11:46:20 1997  Andrew Cagney
387 
 
388 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
389 
        * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
390 
 
391 
Fri Sep 19 17:45:25 1997  Andrew Cagney
392 
 
393 
        * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
394 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
395 
 
396 
Fri Sep 19 10:37:20 1997  Andrew Cagney
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 
 
419 
Wed Sep 17 16:21:08 1997  Andrew Cagney
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 
 
431 
Wed Sep 17 14:02:10 1997  Andrew Cagney
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 
 
442 
Tue Sep 16 22:14:01 1997  Andrew Cagney
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 
 
460 
Tue Sep 16 21:14:01 1997  Andrew Cagney
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 
 
474 
Tue Sep 16 15:14:01 1997  Andrew Cagney
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 
 
483 
Tue Sep 16 09:02:00 1997  Andrew Cagney
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 
 
495 
Tue Sep 16 10:20:00 1997  Andrew Cagney
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 
 
501 
Mon Sep 15 18:44:05 1997  Jim Wilson
502 
 
503 
        * simops.c (Multiply64): Don't store into register zero.
504 
 
505 
Tue Sep 16 09:02:00 1997  Andrew Cagney
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 
 
512 
Mon Sep 15 17:36:15 1997  Andrew Cagney
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 
 
531 
Mon Sep 15 14:39:34 1997  Andrew Cagney
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 
 
544 
Fri Sep 12 15:11:03 1997  Andrew Cagney
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 
 
560 
Thu Sep 11 08:40:03 1997  Andrew Cagney
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 
 
576 
Wed Sep 10 10:25:40 1997  Andrew Cagney
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 
 
585 
Tue Sep  9 01:29:50 1997  Andrew Cagney
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 
 
593 
Mon Sep  8 21:03:52 1997  Andrew Cagney
594 
 
595 
        * v850.igen: New file.
596 
        * v850-dc: New file.
597 
 
598 
Mon Sep  8 18:33:04 1997  Andrew Cagney
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 
 
619 
Fri Sep  5 17:04:48 1997  Andrew Cagney
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 
 
647 
Thu Sep  4 17:21:23 1997  Doug Evans
648 
 
649 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
650 
 
651 
Thu Sep  4 18:11:37 1997  Andrew Cagney
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 
 
691 
Wed Sep  3 10:18:55 1997  Andrew Cagney
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 
 
772 
Mon Sep  1 12:07:55 1997  Andrew Cagney
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 
 
784 
Wed Aug 27 18:13:22 1997  Andrew Cagney
785 
 
786 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
787 
        * config.in: Ditto.
788 
 
789 
Tue Aug 26 10:42:38 1997  Andrew Cagney
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 
 
796 
Mon Aug 25 17:50:22 1997  Andrew Cagney
797 
 
798 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
799 
        * config.in: Ditto.
800 
 
801 
Mon Aug 25 11:31:23 1997  Andrew Cagney
802 
 
803 
        * interp.c (sim_open): Add ABFD argument.
804 
 
805 
Fri Aug 22 10:39:28 1997  Nick Clifton
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 
 
819 
Wed Aug 20 13:56:35 1997  Nick Clifton
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 
 
825 
Mon Aug 18 10:59:02 1997  Nick Clifton
826 
 
827 
        * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
828 
        with US bit set in the PSW.
829 
 
830 
Wed Aug 13 19:06:55 1997  Nick Clifton
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 
 
851 
Tue May 20 10:24:14 1997  Andrew Cagney
852 
 
853 
        * interp.c (sim_open): Add callback argument.
854 
        (sim_set_callbacks): Delete SIM_DESC argument.
855 
 
856 
Thu Apr 24 00:39:51 1997  Doug Evans
857 
 
858 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
859 
 
860 
Wed Apr 23 17:20:16 1997  Doug Evans
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 
 
869 
Fri Apr 18 14:17:12 1997  Andrew Cagney
870 
 
871 
        * interp.c (sim_stop): Stub function.
872 
 
873 
Thu Apr 17 03:53:18 1997  Doug Evans
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 
 
882 
Wed Apr 16 19:53:55 1997  Andrew Cagney
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 
 
887 
Mon Apr  7 15:45:02 1997  Andrew Cagney
888 
 
889 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
890 
        * config.in: Ditto.
891 
 
892 
Wed Apr  2 15:06:28 1997  Doug Evans
893 
 
894 
        * interp.c (sim_open): New arg `kind'.
895 
 
896 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
897 
 
898 
Wed Apr  2 14:34:19 1997 Andrew Cagney
899 
 
900 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
901 
 
902 
Wed Mar 19 01:14:00 1997  Andrew Cagney
903 
 
904 
        * configure: Regenerated to track ../common/aclocal.m4 changes.
905 
 
906 
Mon Mar 17 15:10:07 1997  Andrew Cagney
907 
 
908 
        * configure: Re-generate.
909 
 
910 
Fri Mar 14 10:34:11 1997  Michael Meissner
911 
 
912 
        * configure: Regenerate to track ../common/aclocal.m4 changes.
913 
 
914 
Thu Mar 13 13:00:54 1997  Doug Evans
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 
 
920 
Tue Feb  4 13:33:30 1997  Doug Evans
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 
 
927 
Thu 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 
 
936 
Mon Jan 20 16:05:34 1997  Michael Meissner
937 
 
938 
        * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
939 
        not zero extend.
940 
 
941 
Tue 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 
 
947 
Tue Dec 31 18:11:13 1996  Michael Meissner
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 
 
952 
Fri Dec 27 14:44:06 1996  Michael Meissner
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 
 
964 
Wed Nov 20 02:18:44 1996  Doug Evans
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  if present.
973 
 
974 
Sun Nov  3 23:02:54 1996  Stan Shebs
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 
 
988 
Thu Oct 31 14:44:10 1996  Gavin Koch
989 
 
990 
        * simops.c: Include  for struct timeval and
991 
        struct timezone.
992 
 
993 
Wed 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 
 
999 
Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
1000 
 
1001 
        * simops.c: Include .
1002 
        (OP_10007E0): Handle SYS_stat.
1003 
 
1004 
Thu 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 
 
1021 
Thu 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 
 
1033 
Tue 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 
 
1041 
Tue Oct  1 15:53:24 1996  Gavin Koch
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 
 
1047 
Mon 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 
 
1064 
Fri 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 
 
1074 
Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
1075 
 
1076 
        * simops.c (trace_input): Fix thinko.
1077 
 
1078 
Wed Sep 18 09:54:12 1996  Michael Meissner
1079 
 
1080 
        * simops.c (exec_bfd): Rename from sim_bfd.
1081 
        (trace_input): Ditto.
1082 
 
1083 
Thu Sep 12 12:03:05 1996  Michael Meissner
1084 
 
1085 
        * simops.c (trace_input): Use find_nearest_line to print line
1086 
        number, function name or file name of PC.
1087 
 
1088 
Wed Sep 11 16:44:37 1996  Michael Meissner
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 
 
1111 
Mon 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 
 
1118 
Wed 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 
 
1122 
Tue 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 
 
1152 
Sun 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 
 
1159 
Fri 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 
 
1175 
Thu 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 
 
1250 
Wed 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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