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sim: ft32: fix ft32_pc_get logic
[thirdparty/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
e787f858
MF
12015-04-12 Mike Frysinger <vapier@gentoo.org>
2
3 * Makefile.in (SIM_OBJS): Move interp.o to the start of the list.
4
122bbfb5
MF
52015-04-06 Mike Frysinger <vapier@gentoo.org>
6
7 * Makefile.in (SIM_OBJS): Delete sim-engine.o.
8
0fe84f3f
MF
92015-04-01 Mike Frysinger <vapier@gentoo.org>
10
11 * tconfig.h (SIM_HAVE_PROFILE): Delete.
12
aadc9410
MF
132015-03-31 Mike Frysinger <vapier@gentoo.org>
14
15 * config.in, configure: Regenerate.
16
05f53ed6
MF
172015-03-24 Mike Frysinger <vapier@gentoo.org>
18
19 * interp.c (sim_pc_get): New function.
20
c0931f26
MF
212015-03-24 Mike Frysinger <vapier@gentoo.org>
22
23 * sim-main.h (SIM_HAVE_BIENDIAN): Delete.
24 * tconfig.h (SIM_HAVE_BIENDIAN): Delete.
25
30452bbe
MF
262015-03-24 Mike Frysinger <vapier@gentoo.org>
27
28 * configure: Regenerate.
29
64dd13df
MF
302015-03-23 Mike Frysinger <vapier@gentoo.org>
31
32 * configure: Regenerate.
33
49cd1634
MF
342015-03-23 Mike Frysinger <vapier@gentoo.org>
35
36 * configure: Regenerate.
37 * configure.ac (mips_extra_objs): Delete.
38 * Makefile.in (MIPS_EXTRA_OBJS): Delete.
39 (SIM_OBJS): Delete MIPS_EXTRA_OBJS.
40
3649cb06
MF
412015-03-23 Mike Frysinger <vapier@gentoo.org>
42
43 * configure: Regenerate.
44 * configure.ac: Delete sim_hw checks for dv-sockser.
45
ae7d0cac
MF
462015-03-16 Mike Frysinger <vapier@gentoo.org>
47
48 * config.in, configure: Regenerate.
49 * tconfig.in: Rename file ...
50 * tconfig.h: ... here.
51
8406bb59
MF
522015-03-15 Mike Frysinger <vapier@gentoo.org>
53
54 * tconfig.in: Delete includes.
55 [HAVE_DV_SOCKSER]: Delete.
56
465fb143
MF
572015-03-14 Mike Frysinger <vapier@gentoo.org>
58
59 * Makefile.in (SIM_RUN_OBJS): Delete.
60
5cddc23a
MF
612015-03-14 Mike Frysinger <vapier@gentoo.org>
62
63 * configure.ac (AC_CHECK_HEADERS): Delete.
64 * aclocal.m4, configure: Regenerate.
65
2974be62
AM
662014-08-19 Alan Modra <amodra@gmail.com>
67
68 * configure: Regenerate.
69
faa743bb
RM
702014-08-15 Roland McGrath <mcgrathr@google.com>
71
72 * configure: Regenerate.
73 * config.in: Regenerate.
74
1a8a700e
MF
752014-03-04 Mike Frysinger <vapier@gentoo.org>
76
77 * configure: Regenerate.
78
bf3d9781
AM
792013-09-23 Alan Modra <amodra@gmail.com>
80
81 * configure: Regenerate.
82
31e6ad7d
MF
832013-06-03 Mike Frysinger <vapier@gentoo.org>
84
85 * aclocal.m4, configure: Regenerate.
86
d3685d60
TT
872013-05-10 Freddie Chopin <freddie_chopin@op.pl>
88
89 * configure: Rebuild.
90
1517bd27
MF
912013-03-26 Mike Frysinger <vapier@gentoo.org>
92
93 * configure: Regenerate.
94
3be31516
JS
952013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>
96
97 * configure.ac: Address use of dv-sockser.o.
98 * tconfig.in: Conditionalize use of dv_sockser_install.
99 * configure: Regenerated.
100 * config.in: Regenerated.
101
37cb8f8e
SE
1022012-10-04 Chao-ying Fu <fu@mips.com>
103 Steve Ellcey <sellcey@mips.com>
104
105 * mips/mips3264r2.igen (rdhwr): New.
106
87c8644f
JS
1072012-09-03 Joel Sherrill <joel.sherrill@oarcorp.com>
108
109 * configure.ac: Always link against dv-sockser.o.
110 * configure: Regenerate.
111
5f3ef9d0
JB
1122012-06-15 Joel Brobecker <brobecker@adacore.com>
113
114 * config.in, configure: Regenerate.
115
a6ff997c
NC
1162012-05-18 Nick Clifton <nickc@redhat.com>
117
118 PR 14072
119 * interp.c: Include config.h before system header files.
120
2232061b
MF
1212012-03-24 Mike Frysinger <vapier@gentoo.org>
122
123 * aclocal.m4, config.in, configure: Regenerate.
124
db2e4d67
MF
1252011-12-03 Mike Frysinger <vapier@gentoo.org>
126
127 * aclocal.m4: New file.
128 * configure: Regenerate.
129
4399a56b
MF
1302011-10-19 Mike Frysinger <vapier@gentoo.org>
131
132 * configure: Regenerate after common/acinclude.m4 update.
133
9c082ca8
MF
1342011-10-17 Mike Frysinger <vapier@gentoo.org>
135
136 * configure.ac: Change include to common/acinclude.m4.
137
6ffe910a
MF
1382011-10-17 Mike Frysinger <vapier@gentoo.org>
139
140 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
141 call. Replace common.m4 include with SIM_AC_COMMON.
142 * configure: Regenerate.
143
31b28250
HPN
1442011-07-08 Hans-Peter Nilsson <hp@axis.com>
145
3faa01e3
HPN
146 * Makefile.in ($(SIM_MULTI_OBJ)): Depend on sim-main.h
147 $(SIM_EXTRA_DEPS).
148 (tmp-mach-multi): Exit early when igen fails.
31b28250 149
2419798b
MF
1502011-07-05 Mike Frysinger <vapier@gentoo.org>
151
152 * interp.c (sim_do_command): Delete.
153
d79fe0d6
MF
1542011-02-14 Mike Frysinger <vapier@gentoo.org>
155
156 * dv-tx3904sio.c (tx3904sio_fifo_push): Change zfree to free.
157 (tx3904sio_fifo_reset): Likewise.
158 * interp.c (sim_monitor): Likewise.
159
5558e7e6
MF
1602010-04-14 Mike Frysinger <vapier@gentoo.org>
161
162 * interp.c (sim_write): Add const to buffer arg.
163
35aafff4
JB
1642010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
165
166 * interp.c: Don't include sysdep.h
167
3725885a
RW
1682010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
169
170 * configure: Regenerate.
171
d6416cdc
RW
1722009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
173
81ecdfbb
RW
174 * config.in: Regenerate.
175 * configure: Likewise.
176
d6416cdc
RW
177 * configure: Regenerate.
178
b5bd9624
HPN
1792008-07-11 Hans-Peter Nilsson <hp@axis.com>
180
181 * configure: Regenerate to track ../common/common.m4 changes.
182 * config.in: Ditto.
183
6efef468
JM
1842008-06-06 Vladimir Prus <vladimir@codesourcery.com>
185 Daniel Jacobowitz <dan@codesourcery.com>
186 Joseph Myers <joseph@codesourcery.com>
187
188 * configure: Regenerate.
189
60dc88db
RS
1902007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
191
192 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
193 that unconditionally allows fmt_ps.
194 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
195 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
196 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
197 filter from 64,f to 32,f.
198 (PREFX): Change filter from 64 to 32.
199 (LDXC1, LUXC1): Provide separate mips32r2 implementations
200 that use do_load_double instead of do_load. Make both LUXC1
201 versions unpredictable if SizeFGR () != 64.
202 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
203 instead of do_store. Remove unused variable. Make both SUXC1
204 versions unpredictable if SizeFGR () != 64.
205
599ca73e
RS
2062007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
207
208 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
209 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
210 shifts for that case.
211
2525df03
NC
2122007-09-04 Nick Clifton <nickc@redhat.com>
213
214 * interp.c (options enum): Add OPTION_INFO_MEMORY.
215 (display_mem_info): New static variable.
216 (mips_option_handler): Handle OPTION_INFO_MEMORY.
217 (mips_options): Add info-memory and memory-info.
218 (sim_open): After processing the command line and board
219 specification, check display_mem_info. If it is set then
220 call the real handler for the --memory-info command line
221 switch.
222
35ee6e1e
JB
2232007-08-24 Joel Brobecker <brobecker@adacore.com>
224
225 * configure.ac: Change license of multi-run.c to GPL version 3.
226 * configure: Regenerate.
227
d5fb0879
RS
2282007-06-28 Richard Sandiford <richard@codesourcery.com>
229
230 * configure.ac, configure: Revert last patch.
231
2a2ce21b
RS
2322007-06-26 Richard Sandiford <richard@codesourcery.com>
233
234 * configure.ac (sim_mipsisa3264_configs): New variable.
235 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
236 every configuration support all four targets, using the triplet to
237 determine the default.
238 * configure: Regenerate.
239
efdcccc9
RS
2402007-06-25 Richard Sandiford <richard@codesourcery.com>
241
0a7692b2 242 * Makefile.in (m16run.o): New rule.
efdcccc9 243
f532a356
TS
2442007-05-15 Thiemo Seufer <ths@mips.com>
245
246 * mips3264r2.igen (DSHD): Fix compile warning.
247
bfe9c90b
TS
2482007-05-14 Thiemo Seufer <ths@mips.com>
249
250 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
251 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
252 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
253 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
254 for mips32r2.
255
53f4826b
TS
2562007-03-01 Thiemo Seufer <ths@mips.com>
257
258 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
259 and mips64.
260
8bf3ddc8
TS
2612007-02-20 Thiemo Seufer <ths@mips.com>
262
263 * dsp.igen: Update copyright notice.
264 * dsp2.igen: Fix copyright notice.
265
8b082fb1
TS
2662007-02-20 Thiemo Seufer <ths@mips.com>
267 Chao-Ying Fu <fu@mips.com>
268
269 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
270 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
271 Add dsp2 to sim_igen_machine.
272 * configure: Regenerate.
273 * dsp.igen (do_ph_op): Add MUL support when op = 2.
274 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
275 (mulq_rs.ph): Use do_ph_mulq.
276 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
277 * mips.igen: Add dsp2 model and include dsp2.igen.
278 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
279 for *mips32r2, *mips64r2, *dsp.
280 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
281 for *mips32r2, *mips64r2, *dsp2.
282 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
283
b1004875
TS
2842007-02-19 Thiemo Seufer <ths@mips.com>
285 Nigel Stephens <nigel@mips.com>
286
287 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
288 jumps with hazard barrier.
289
f8df4c77
TS
2902007-02-19 Thiemo Seufer <ths@mips.com>
291 Nigel Stephens <nigel@mips.com>
292
293 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
294 after each call to sim_io_write.
295
b1004875 2962007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 297 Nigel Stephens <nigel@mips.com>
b1004875
TS
298
299 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
300 supported by this simulator.
07802d98
TS
301 (decode_coproc): Recognise additional CP0 Config registers
302 correctly.
303
14fb6c5a
TS
3042007-02-19 Thiemo Seufer <ths@mips.com>
305 Nigel Stephens <nigel@mips.com>
306 David Ung <davidu@mips.com>
307
308 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
309 uninterpreted formats. If fmt is one of the uninterpreted types
310 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
311 fmt_word, and fmt_uninterpreted_64 like fmt_long.
312 (store_fpr): When writing an invalid odd register, set the
313 matching even register to fmt_unknown, not the following register.
314 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
315 the the memory window at offset 0 set by --memory-size command
316 line option.
317 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
318 point register.
319 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
320 register.
321 (sim_monitor): When returning the memory size to the MIPS
322 application, use the value in STATE_MEM_SIZE, not an arbitrary
323 hardcoded value.
324 (cop_lw): Don' mess around with FPR_STATE, just pass
325 fmt_uninterpreted_32 to StoreFPR.
326 (cop_sw): Similarly.
327 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
328 (cop_sd): Similarly.
329 * mips.igen (not_word_value): Single version for mips32, mips64
330 and mips16.
331
c8847145
TS
3322007-02-19 Thiemo Seufer <ths@mips.com>
333 Nigel Stephens <nigel@mips.com>
334
335 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
336 MBytes.
337
4b5d35ee
TS
3382007-02-17 Thiemo Seufer <ths@mips.com>
339
340 * configure.ac (mips*-sde-elf*): Move in front of generic machine
341 configuration.
342 * configure: Regenerate.
343
3669427c
TS
3442007-02-17 Thiemo Seufer <ths@mips.com>
345
346 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
347 Add mdmx to sim_igen_machine.
348 (mipsisa64*-*-*): Likewise. Remove dsp.
349 (mipsisa32*-*-*): Remove dsp.
350 * configure: Regenerate.
351
109ad085
TS
3522007-02-13 Thiemo Seufer <ths@mips.com>
353
354 * configure.ac: Add mips*-sde-elf* target.
355 * configure: Regenerate.
356
921d7ad3
HPN
3572006-12-21 Hans-Peter Nilsson <hp@axis.com>
358
359 * acconfig.h: Remove.
360 * config.in, configure: Regenerate.
361
02f97da7
TS
3622006-11-07 Thiemo Seufer <ths@mips.com>
363
364 * dsp.igen (do_w_op): Fix compiler warning.
365
2d2733fc
TS
3662006-08-29 Thiemo Seufer <ths@mips.com>
367 David Ung <davidu@mips.com>
368
369 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
370 sim_igen_machine.
371 * configure: Regenerate.
372 * mips.igen (model): Add smartmips.
373 (MADDU): Increment ACX if carry.
374 (do_mult): Clear ACX.
375 (ROR,RORV): Add smartmips.
376 (include): Include smartmips.igen.
377 * sim-main.h (ACX): Set to REGISTERS[89].
378 * smartmips.igen: New file.
379
d85c3a10
TS
3802006-08-29 Thiemo Seufer <ths@mips.com>
381 David Ung <davidu@mips.com>
382
383 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
384 mips3264r2.igen. Add missing dependency rules.
385 * m16e.igen: Support for mips16e save/restore instructions.
386
e85e3205
RE
3872006-06-13 Richard Earnshaw <rearnsha@arm.com>
388
389 * configure: Regenerated.
390
2f0122dc
DJ
3912006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
392
393 * configure: Regenerated.
394
20e95c23
DJ
3952006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
396
397 * configure: Regenerated.
398
69088b17
CF
3992006-05-15 Chao-ying Fu <fu@mips.com>
400
401 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
402
0275de4e
NC
4032006-04-18 Nick Clifton <nickc@redhat.com>
404
405 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
406 statement.
407
b3a3ffef
HPN
4082006-03-29 Hans-Peter Nilsson <hp@axis.com>
409
410 * configure: Regenerate.
411
40a5538e
CF
4122005-12-14 Chao-ying Fu <fu@mips.com>
413
414 * Makefile.in (SIM_OBJS): Add dsp.o.
415 (dsp.o): New dependency.
416 (IGEN_INCLUDE): Add dsp.igen.
417 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
418 mipsisa64*-*-*): Add dsp to sim_igen_machine.
419 * configure: Regenerate.
420 * mips.igen: Add dsp model and include dsp.igen.
421 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
422 because these instructions are extended in DSP ASE.
423 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
424 adding 6 DSP accumulator registers and 1 DSP control register.
425 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
426 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
427 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
428 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
429 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
430 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
431 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
432 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
433 DSPCR_CCOND_SMASK): New define.
434 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
435 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
436
21d14896
ILT
4372005-07-08 Ian Lance Taylor <ian@airs.com>
438
439 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
440
b16d63da
DU
4412005-06-16 David Ung <davidu@mips.com>
442 Nigel Stephens <nigel@mips.com>
443
444 * mips.igen: New mips16e model and include m16e.igen.
445 (check_u64): Add mips16e tag.
446 * m16e.igen: New file for MIPS16e instructions.
447 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
448 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
449 models.
450 * configure: Regenerate.
451
e70cb6cd
CD
4522005-05-26 David Ung <davidu@mips.com>
453
454 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
455 tags to all instructions which are applicable to the new ISAs.
456 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
457 vr.igen.
458 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
459 instructions.
460 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
461 to mips.igen.
462 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
463 * configure: Regenerate.
464
2b193c4a
MK
4652005-03-23 Mark Kettenis <kettenis@gnu.org>
466
467 * configure: Regenerate.
468
35695fd6
AC
4692005-01-14 Andrew Cagney <cagney@gnu.org>
470
471 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
472 explicit call to AC_CONFIG_HEADER.
473 * configure: Regenerate.
474
f0569246
AC
4752005-01-12 Andrew Cagney <cagney@gnu.org>
476
477 * configure.ac: Update to use ../common/common.m4.
478 * configure: Re-generate.
479
38f48d72
AC
4802005-01-11 Andrew Cagney <cagney@localhost.localdomain>
481
482 * configure: Regenerated to track ../common/aclocal.m4 changes.
483
b7026657
AC
4842005-01-07 Andrew Cagney <cagney@gnu.org>
485
486 * configure.ac: Rename configure.in, require autoconf 2.59.
487 * configure: Re-generate.
488
379832de
HPN
4892004-12-08 Hans-Peter Nilsson <hp@axis.com>
490
491 * configure: Regenerate for ../common/aclocal.m4 update.
492
cd62154c
AC
4932004-09-24 Monika Chaddha <monika@acmet.com>
494
495 Committed by Andrew Cagney.
496 * m16.igen (CMP, CMPI): Fix assembler.
497
e5da76ec
CD
4982004-08-18 Chris Demetriou <cgd@broadcom.com>
499
500 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
501 * configure: Regenerate.
502
139181c8
CD
5032004-06-25 Chris Demetriou <cgd@broadcom.com>
504
505 * configure.in (sim_m16_machine): Include mipsIII.
506 * configure: Regenerate.
507
1a27f959
CD
5082004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
509
510 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
511 from COP0_BADVADDR.
512 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
513
5dbb7b5a
CD
5142004-04-10 Chris Demetriou <cgd@broadcom.com>
515
516 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
517
14234056
CD
5182004-04-09 Chris Demetriou <cgd@broadcom.com>
519
520 * mips.igen (check_fmt): Remove.
521 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
522 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
523 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
524 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
525 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
526 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
527 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
528 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
529 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
530 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
531
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CD
5322004-04-09 Chris Demetriou <cgd@broadcom.com>
533
534 * sb1.igen (check_sbx): New function.
535 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
536
11d66e66 5372004-03-29 Chris Demetriou <cgd@broadcom.com>
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RS
538 Richard Sandiford <rsandifo@redhat.com>
539
540 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
541 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
542 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
543 separate implementations for mipsIV and mipsV. Use new macros to
544 determine whether the restrictions apply.
545
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CD
5462004-01-19 Chris Demetriou <cgd@broadcom.com>
547
548 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
549 (check_mult_hilo): Improve comments.
550 (check_div_hilo): Likewise. Also, fork off a new version
551 to handle mips32/mips64 (since there are no hazards to check
552 in MIPS32/MIPS64).
553
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CD
5542003-06-17 Richard Sandiford <rsandifo@redhat.com>
555
556 * mips.igen (do_dmultx): Fix check for negative operands.
557
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5582003-05-16 Ian Lance Taylor <ian@airs.com>
559
560 * Makefile.in (SHELL): Make sure this is defined.
561 (various): Use $(SHELL) whenever we invoke move-if-change.
562
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CD
5632003-05-03 Chris Demetriou <cgd@broadcom.com>
564
565 * cp1.c: Tweak attribution slightly.
566 * cp1.h: Likewise.
567 * mdmx.c: Likewise.
568 * mdmx.igen: Likewise.
569 * mips3d.igen: Likewise.
570 * sb1.igen: Likewise.
571
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CD
5722003-04-15 Richard Sandiford <rsandifo@redhat.com>
573
574 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
575 unsigned operands.
576
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AC
5772003-02-27 Andrew Cagney <cagney@redhat.com>
578
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AC
579 * interp.c (sim_open): Rename _bfd to bfd.
580 (sim_create_inferior): Ditto.
6b4a8935 581
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5822003-01-14 Chris Demetriou <cgd@broadcom.com>
583
584 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
585
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CD
5862003-01-14 Chris Demetriou <cgd@broadcom.com>
587
588 * mips.igen (EI, DI): Remove.
589
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CD
5902003-01-05 Richard Sandiford <rsandifo@redhat.com>
591
592 * Makefile.in (tmp-run-multi): Fix mips16 filter.
593
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CD
5942003-01-04 Richard Sandiford <rsandifo@redhat.com>
595 Andrew Cagney <ac131313@redhat.com>
596 Gavin Romig-Koch <gavin@redhat.com>
597 Graydon Hoare <graydon@redhat.com>
598 Aldy Hernandez <aldyh@redhat.com>
599 Dave Brolley <brolley@redhat.com>
600 Chris Demetriou <cgd@broadcom.com>
601
602 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
603 (sim_mach_default): New variable.
604 (mips64vr-*-*, mips64vrel-*-*): New configurations.
605 Add a new simulator generator, MULTI.
606 * configure: Regenerate.
607 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
608 (multi-run.o): New dependency.
609 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
610 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
611 (tmp-multi): Combine them.
612 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
613 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
614 (distclean-extra): New rule.
615 * sim-main.h: Include bfd.h.
616 (MIPS_MACH): New macro.
617 * mips.igen (vr4120, vr5400, vr5500): New models.
618 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
619 * vr.igen: Replace with new version.
620
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CD
6212003-01-04 Chris Demetriou <cgd@broadcom.com>
622
623 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
624 * configure: Regenerate.
625
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CD
6262002-12-31 Chris Demetriou <cgd@broadcom.com>
627
628 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
629 * mips.igen: Remove all invocations of check_branch_bug and
630 mark_branch_bug.
631
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6322002-12-16 Chris Demetriou <cgd@broadcom.com>
633
634 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
635
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CD
6362002-07-30 Chris Demetriou <cgd@broadcom.com>
637
638 * mips.igen (do_load_double, do_store_double): New functions.
639 (LDC1, SDC1): Rename to...
640 (LDC1b, SDC1b): respectively.
641 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
642
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MS
6432002-07-29 Michael Snyder <msnyder@redhat.com>
644
645 * cp1.c (fp_recip2): Modify initialization expression so that
646 GCC will recognize it as constant.
647
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CD
6482002-06-18 Chris Demetriou <cgd@broadcom.com>
649
650 * mdmx.c (SD_): Delete.
651 (Unpredictable): Re-define, for now, to directly invoke
652 unpredictable_action().
653 (mdmx_acc_op): Fix error in .ob immediate handling.
654
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AC
6552002-06-18 Andrew Cagney <cagney@redhat.com>
656
657 * interp.c (sim_firmware_command): Initialize `address'.
658
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AC
6592002-06-16 Andrew Cagney <ac131313@redhat.com>
660
661 * configure: Regenerated to track ../common/aclocal.m4 changes.
662
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CD
6632002-06-14 Chris Demetriou <cgd@broadcom.com>
664 Ed Satterthwaite <ehs@broadcom.com>
665
666 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
667 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
668 * mips.igen: Include mips3d.igen.
669 (mips3d): New model name for MIPS-3D ASE instructions.
670 (CVT.W.fmt): Don't use this instruction for word (source) format
671 instructions.
672 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
673 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
674 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
675 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
676 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
677 (RSquareRoot1, RSquareRoot2): New macros.
678 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
679 (fp_rsqrt2): New functions.
680 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
681 * configure: Regenerate.
682
3a2b820e 6832002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 684 Ed Satterthwaite <ehs@broadcom.com>
3a2b820e
CD
685
686 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
687 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
688 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
689 (convert): Note that this function is not used for paired-single
690 format conversions.
691 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
692 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
693 (check_fmt_p): Enable paired-single support.
694 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
695 (PUU.PS): New instructions.
696 (CVT.S.fmt): Don't use this instruction for paired-single format
697 destinations.
698 * sim-main.h (FP_formats): New value 'fmt_ps.'
699 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
700 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
701
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7022002-06-12 Chris Demetriou <cgd@broadcom.com>
703
704 * mips.igen: Fix formatting of function calls in
705 many FP operations.
706
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7072002-06-12 Chris Demetriou <cgd@broadcom.com>
708
709 * mips.igen (MOVN, MOVZ): Trace result.
710 (TNEI): Print "tnei" as the opcode name in traces.
711 (CEIL.W): Add disassembly string for traces.
712 (RSQRT.fmt): Make location of disassembly string consistent
713 with other instructions.
714
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CD
7152002-06-12 Chris Demetriou <cgd@broadcom.com>
716
717 * mips.igen (X): Delete unused function.
718
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AC
7192002-06-08 Andrew Cagney <cagney@redhat.com>
720
721 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
722
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CD
7232002-06-07 Chris Demetriou <cgd@broadcom.com>
724 Ed Satterthwaite <ehs@broadcom.com>
725
726 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
727 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
728 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
729 (fp_nmsub): New prototypes.
730 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
731 (NegMultiplySub): New defines.
732 * mips.igen (RSQRT.fmt): Use RSquareRoot().
733 (MADD.D, MADD.S): Replace with...
734 (MADD.fmt): New instruction.
735 (MSUB.D, MSUB.S): Replace with...
736 (MSUB.fmt): New instruction.
737 (NMADD.D, NMADD.S): Replace with...
738 (NMADD.fmt): New instruction.
739 (NMSUB.D, MSUB.S): Replace with...
740 (NMSUB.fmt): New instruction.
741
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CD
7422002-06-07 Chris Demetriou <cgd@broadcom.com>
743 Ed Satterthwaite <ehs@broadcom.com>
744
745 * cp1.c: Fix more comment spelling and formatting.
746 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
747 (denorm_mode): New function.
748 (fpu_unary, fpu_binary): Round results after operation, collect
749 status from rounding operations, and update the FCSR.
750 (convert): Collect status from integer conversions and rounding
751 operations, and update the FCSR. Adjust NaN values that result
752 from conversions. Convert to use sim_io_eprintf rather than
753 fprintf, and remove some debugging code.
754 * cp1.h (fenr_FS): New define.
755
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CD
7562002-06-07 Chris Demetriou <cgd@broadcom.com>
757
758 * cp1.c (convert): Remove unusable debugging code, and move MIPS
759 rounding mode to sim FP rounding mode flag conversion code into...
760 (rounding_mode): New function.
761
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7622002-06-07 Chris Demetriou <cgd@broadcom.com>
763
764 * cp1.c: Clean up formatting of a few comments.
765 (value_fpr): Reformat switch statement.
766
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CD
7672002-06-06 Chris Demetriou <cgd@broadcom.com>
768 Ed Satterthwaite <ehs@broadcom.com>
769
770 * cp1.h: New file.
771 * sim-main.h: Include cp1.h.
772 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
773 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
774 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
775 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
776 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
777 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
778 * cp1.c: Don't include sim-fpu.h; already included by
779 sim-main.h. Clean up formatting of some comments.
780 (NaN, Equal, Less): Remove.
781 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
782 (fp_cmp): New functions.
783 * mips.igen (do_c_cond_fmt): Remove.
784 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
785 Compare. Add result tracing.
786 (CxC1): Remove, replace with...
787 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
788 (DMxC1): Remove, replace with...
789 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
790 (MxC1): Remove, replace with...
791 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
792
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CD
7932002-06-04 Chris Demetriou <cgd@broadcom.com>
794
795 * sim-main.h (FGRIDX): Remove, replace all uses with...
796 (FGR_BASE): New macro.
797 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
798 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
799 (NR_FGR, FGR): Likewise.
800 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
801 * mips.igen: Likewise.
802
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8032002-06-04 Chris Demetriou <cgd@broadcom.com>
804
805 * cp1.c: Add an FSF Copyright notice to this file.
806
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CD
8072002-06-04 Chris Demetriou <cgd@broadcom.com>
808 Ed Satterthwaite <ehs@broadcom.com>
809
810 * cp1.c (Infinity): Remove.
811 * sim-main.h (Infinity): Likewise.
812
813 * cp1.c (fp_unary, fp_binary): New functions.
814 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
815 (fp_sqrt): New functions, implemented in terms of the above.
816 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
817 (Recip, SquareRoot): Remove (replaced by functions above).
818 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
819 (fp_recip, fp_sqrt): New prototypes.
820 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
821 (Recip, SquareRoot): Replace prototypes with #defines which
822 invoke the functions above.
823
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8242002-06-03 Chris Demetriou <cgd@broadcom.com>
825
826 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
827 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
828 file, remove PARAMS from prototypes.
829 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
830 simulator state arguments.
831 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
832 pass simulator state arguments.
833 * cp1.c (SD): Redefine as CPU_STATE(cpu).
834 (store_fpr, convert): Remove 'sd' argument.
835 (value_fpr): Likewise. Convert to use 'SD' instead.
836
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CD
8372002-06-03 Chris Demetriou <cgd@broadcom.com>
838
839 * cp1.c (Min, Max): Remove #if 0'd functions.
840 * sim-main.h (Min, Max): Remove.
841
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8422002-06-03 Chris Demetriou <cgd@broadcom.com>
843
844 * cp1.c: fix formatting of switch case and default labels.
845 * interp.c: Likewise.
846 * sim-main.c: Likewise.
847
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8482002-06-03 Chris Demetriou <cgd@broadcom.com>
849
850 * cp1.c: Clean up comments which describe FP formats.
851 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
852
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8532002-06-03 Chris Demetriou <cgd@broadcom.com>
854 Ed Satterthwaite <ehs@broadcom.com>
855
856 * configure.in (mipsisa64sb1*-*-*): New target for supporting
857 Broadcom SiByte SB-1 processor configurations.
858 * configure: Regenerate.
859 * sb1.igen: New file.
860 * mips.igen: Include sb1.igen.
861 (sb1): New model.
862 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
863 * mdmx.igen: Add "sb1" model to all appropriate functions and
864 instructions.
865 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
866 (ob_func, ob_acc): Reference the above.
867 (qh_acc): Adjust to keep the same size as ob_acc.
868 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
869 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
870
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8712002-06-03 Chris Demetriou <cgd@broadcom.com>
872
873 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
874
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8752002-06-02 Chris Demetriou <cgd@broadcom.com>
876 Ed Satterthwaite <ehs@broadcom.com>
877
878 * mips.igen (mdmx): New (pseudo-)model.
879 * mdmx.c, mdmx.igen: New files.
880 * Makefile.in (SIM_OBJS): Add mdmx.o.
881 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
882 New typedefs.
883 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
884 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
885 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
886 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
887 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
888 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
889 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
890 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
891 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
892 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
893 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
894 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
895 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
896 (qh_fmtsel): New macros.
897 (_sim_cpu): New member "acc".
898 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
899 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
900
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9012002-05-01 Chris Demetriou <cgd@broadcom.com>
902
903 * interp.c: Use 'deprecated' rather than 'depreciated.'
904 * sim-main.h: Likewise.
905
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9062002-05-01 Chris Demetriou <cgd@broadcom.com>
907
908 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
909 which wouldn't compile anyway.
910 * sim-main.h (unpredictable_action): New function prototype.
911 (Unpredictable): Define to call igen function unpredictable().
912 (NotWordValue): New macro to call igen function not_word_value().
913 (UndefinedResult): Remove.
914 * interp.c (undefined_result): Remove.
915 (unpredictable_action): New function.
916 * mips.igen (not_word_value, unpredictable): New functions.
917 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
918 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
919 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
920 NotWordValue() to check for unpredictable inputs, then
921 Unpredictable() to handle them.
922
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9232002-02-24 Chris Demetriou <cgd@broadcom.com>
924
925 * mips.igen: Fix formatting of calls to Unpredictable().
926
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9272002-04-20 Andrew Cagney <ac131313@redhat.com>
928
929 * interp.c (sim_open): Revert previous change.
930
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9312002-04-18 Alexandre Oliva <aoliva@redhat.com>
932
933 * interp.c (sim_open): Disable chunk of code that wrote code in
934 vector table entries.
935
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9362002-03-19 Chris Demetriou <cgd@broadcom.com>
937
938 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
939 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
940 unused definitions.
941
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9422002-03-19 Chris Demetriou <cgd@broadcom.com>
943
944 * cp1.c: Fix many formatting issues.
945
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9462002-03-19 Chris G. Demetriou <cgd@broadcom.com>
947
948 * cp1.c (fpu_format_name): New function to replace...
949 (DOFMT): This. Delete, and update all callers.
950 (fpu_rounding_mode_name): New function to replace...
951 (RMMODE): This. Delete, and update all callers.
952
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9532002-03-19 Chris G. Demetriou <cgd@broadcom.com>
954
955 * interp.c: Move FPU support routines from here to...
956 * cp1.c: Here. New file.
957 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
958 (cp1.o): New target.
959
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9602002-03-12 Chris Demetriou <cgd@broadcom.com>
961
962 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
963 * mips.igen (mips32, mips64): New models, add to all instructions
964 and functions as appropriate.
965 (loadstore_ea, check_u64): New variant for model mips64.
966 (check_fmt_p): New variant for models mipsV and mips64, remove
967 mipsV model marking fro other variant.
968 (SLL) Rename to...
969 (SLLa) this.
970 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
971 for mips32 and mips64.
972 (DCLO, DCLZ): New instructions for mips64.
973
82f728db
CD
9742002-03-07 Chris Demetriou <cgd@broadcom.com>
975
976 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
977 immediate or code as a hex value with the "%#lx" format.
978 (ANDI): Likewise, and fix printed instruction name.
979
b96e7ef1
CD
9802002-03-05 Chris Demetriou <cgd@broadcom.com>
981
982 * sim-main.h (UndefinedResult, Unpredictable): New macros
983 which currently do nothing.
984
d35d4f70
CD
9852002-03-05 Chris Demetriou <cgd@broadcom.com>
986
987 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
988 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
989 (status_CU3): New definitions.
990
991 * sim-main.h (ExceptionCause): Add new values for MIPS32
992 and MIPS64: MDMX, MCheck, CacheErr. Update comments
993 for DebugBreakPoint and NMIReset to note their status in
994 MIPS32 and MIPS64.
995 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
996 (SignalExceptionCacheErr): New exception macros.
997
3ad6f714
CD
9982002-03-05 Chris Demetriou <cgd@broadcom.com>
999
1000 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
1001 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
1002 is always enabled.
1003 (SignalExceptionCoProcessorUnusable): Take as argument the
1004 unusable coprocessor number.
1005
86b77b47
CD
10062002-03-05 Chris Demetriou <cgd@broadcom.com>
1007
1008 * mips.igen: Fix formatting of all SignalException calls.
1009
97a88e93 10102002-03-05 Chris Demetriou <cgd@broadcom.com>
3dea6720
CD
1011
1012 * sim-main.h (SIGNEXTEND): Remove.
1013
97a88e93 10142002-03-04 Chris Demetriou <cgd@broadcom.com>
b5040d49
CD
1015
1016 * mips.igen: Remove gencode comment from top of file, fix
1017 spelling in another comment.
1018
97a88e93 10192002-03-04 Chris Demetriou <cgd@broadcom.com>
8612006b
CD
1020
1021 * mips.igen (check_fmt, check_fmt_p): New functions to check
1022 whether specific floating point formats are usable.
1023 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
1024 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
1025 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
1026 Use the new functions.
1027 (do_c_cond_fmt): Remove format checks...
1028 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
1029
97a88e93 10302002-03-03 Chris Demetriou <cgd@broadcom.com>
9b17d183
CD
1031
1032 * mips.igen: Fix formatting of check_fpu calls.
1033
41774c9d
CD
10342002-03-03 Chris Demetriou <cgd@broadcom.com>
1035
1036 * mips.igen (FLOOR.L.fmt): Store correct destination register.
1037
4a0bd876
CD
10382002-03-03 Chris Demetriou <cgd@broadcom.com>
1039
1040 * mips.igen: Remove whitespace at end of lines.
1041
09297648
CD
10422002-03-02 Chris Demetriou <cgd@broadcom.com>
1043
1044 * mips.igen (loadstore_ea): New function to do effective
1045 address calculations.
1046 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
1047 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
1048 CACHE): Use loadstore_ea to do effective address computations.
1049
043b7057
CD
10502002-03-02 Chris Demetriou <cgd@broadcom.com>
1051
1052 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
1053 * mips.igen (LL, CxC1, MxC1): Likewise.
1054
c1e8ada4
CD
10552002-03-02 Chris Demetriou <cgd@broadcom.com>
1056
1057 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
1058 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
1059 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
1060 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
1061 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
1062 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
1063 Don't split opcode fields by hand, use the opcode field values
1064 provided by igen.
1065
3e1dca16
CD
10662002-03-01 Chris Demetriou <cgd@broadcom.com>
1067
1068 * mips.igen (do_divu): Fix spacing.
1069
1070 * mips.igen (do_dsllv): Move to be right before DSLLV,
1071 to match the rest of the do_<shift> functions.
1072
fff8d27d
CD
10732002-03-01 Chris Demetriou <cgd@broadcom.com>
1074
1075 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
1076 DSRL32, do_dsrlv): Trace inputs and results.
1077
0d3e762b
CD
10782002-03-01 Chris Demetriou <cgd@broadcom.com>
1079
1080 * mips.igen (CACHE): Provide instruction-printing string.
1081
1082 * interp.c (signal_exception): Comment tokens after #endif.
1083
eb5fcf93
CD
10842002-02-28 Chris Demetriou <cgd@broadcom.com>
1085
1086 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
1087 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
1088 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
1089 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
1090 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
1091 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
1092 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
1093 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
1094
bb22bd7d
CD
10952002-02-28 Chris Demetriou <cgd@broadcom.com>
1096
1097 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
1098 instruction-printing string.
1099 (LWU): Use '64' as the filter flag.
1100
91a177cf
CD
11012002-02-28 Chris Demetriou <cgd@broadcom.com>
1102
1103 * mips.igen (SDXC1): Fix instruction-printing string.
1104
387f484a
CD
11052002-02-28 Chris Demetriou <cgd@broadcom.com>
1106
1107 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
1108 filter flags "32,f".
1109
3d81f391
CD
11102002-02-27 Chris Demetriou <cgd@broadcom.com>
1111
1112 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
1113 as the filter flag.
1114
af5107af
CD
11152002-02-27 Chris Demetriou <cgd@broadcom.com>
1116
1117 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
1118 add a comma) so that it more closely match the MIPS ISA
1119 documentation opcode partitioning.
1120 (PREF): Put useful names on opcode fields, and include
1121 instruction-printing string.
1122
ca971540
CD
11232002-02-27 Chris Demetriou <cgd@broadcom.com>
1124
1125 * mips.igen (check_u64): New function which in the future will
1126 check whether 64-bit instructions are usable and signal an
1127 exception if not. Currently a no-op.
1128 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
1129 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
1130 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
1131 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
1132
1133 * mips.igen (check_fpu): New function which in the future will
1134 check whether FPU instructions are usable and signal an exception
1135 if not. Currently a no-op.
1136 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
1137 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
1138 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
1139 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
1140 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
1141 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
1142 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
1143 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
1144
1c47a468
CD
11452002-02-27 Chris Demetriou <cgd@broadcom.com>
1146
1147 * mips.igen (do_load_left, do_load_right): Move to be immediately
1148 following do_load.
1149 (do_store_left, do_store_right): Move to be immediately following
1150 do_store.
1151
603a98e7
CD
11522002-02-27 Chris Demetriou <cgd@broadcom.com>
1153
1154 * mips.igen (mipsV): New model name. Also, add it to
1155 all instructions and functions where it is appropriate.
1156
c5d00cc7
CD
11572002-02-18 Chris Demetriou <cgd@broadcom.com>
1158
1159 * mips.igen: For all functions and instructions, list model
1160 names that support that instruction one per line.
1161
074e9cb8
CD
11622002-02-11 Chris Demetriou <cgd@broadcom.com>
1163
1164 * mips.igen: Add some additional comments about supported
1165 models, and about which instructions go where.
1166 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1167 order as is used in the rest of the file.
1168
9805e229
CD
11692002-02-11 Chris Demetriou <cgd@broadcom.com>
1170
1171 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1172 indicating that ALU32_END or ALU64_END are there to check
1173 for overflow.
1174 (DADD): Likewise, but also remove previous comment about
1175 overflow checking.
1176
f701dad2
CD
11772002-02-10 Chris Demetriou <cgd@broadcom.com>
1178
1179 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1180 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1181 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1182 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1183 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1184 fields (i.e., add and move commas) so that they more closely
1185 match the MIPS ISA documentation opcode partitioning.
1186
11872002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1188
1189 * mips.igen (ADDI): Print immediate value.
1190 (BREAK): Print code.
1191 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1192 (SLL): Print "nop" specially, and don't run the code
1193 that does the shift for the "nop" case.
1194
9e52972e
FF
11952001-11-17 Fred Fish <fnf@redhat.com>
1196
1197 * sim-main.h (float_operation): Move enum declaration outside
1198 of _sim_cpu struct declaration.
1199
c0efbca4
JB
12002001-04-12 Jim Blandy <jimb@redhat.com>
1201
1202 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1203 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1204 set of the FCSR.
1205 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1206 PENDING_FILL, and you can get the intended effect gracefully by
1207 calling PENDING_SCHED directly.
1208
fb891446
BE
12092001-02-23 Ben Elliston <bje@redhat.com>
1210
1211 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1212 already defined elsewhere.
1213
8030f857
BE
12142001-02-19 Ben Elliston <bje@redhat.com>
1215
1216 * sim-main.h (sim_monitor): Return an int.
1217 * interp.c (sim_monitor): Add return values.
1218 (signal_exception): Handle error conditions from sim_monitor.
1219
56b48a7a
CD
12202001-02-08 Ben Elliston <bje@redhat.com>
1221
1222 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1223 (store_memory): Likewise, pass cia to sim_core_write*.
1224
d3ee60d9
FCE
12252000-10-19 Frank Ch. Eigler <fche@redhat.com>
1226
1227 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1228 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1229
071da002
AC
1230Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1231
1232 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1233 * Makefile.in: Don't delete *.igen when cleaning directory.
1234
a28c02cd
AC
1235Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1236
1237 * m16.igen (break): Call SignalException not sim_engine_halt.
1238
80ee11fa
AC
1239Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1240
1241 From Jason Eckhardt:
1242 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1243
673388c0
AC
1244Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1245
1246 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1247
4c0deff4
NC
12482000-05-24 Michael Hayes <mhayes@cygnus.com>
1249
1250 * mips.igen (do_dmultx): Fix typo.
1251
eb2d80b4
AC
1252Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1253
1254 * configure: Regenerated to track ../common/aclocal.m4 changes.
1255
dd37a34b
AC
1256Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1257
1258 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1259
4c0deff4
NC
12602000-04-12 Frank Ch. Eigler <fche@redhat.com>
1261
1262 * sim-main.h (GPR_CLEAR): Define macro.
1263
e30db738
AC
1264Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1265
1266 * interp.c (decode_coproc): Output long using %lx and not %s.
1267
cb7450ea
FCE
12682000-03-21 Frank Ch. Eigler <fche@redhat.com>
1269
1270 * interp.c (sim_open): Sort & extend dummy memory regions for
1271 --board=jmr3904 for eCos.
1272
a3027dd7
FCE
12732000-03-02 Frank Ch. Eigler <fche@redhat.com>
1274
1275 * configure: Regenerated.
1276
1277Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1278
1279 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1280 calls, conditional on the simulator being in verbose mode.
1281
dfcd3bfb
JM
1282Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1283
1284 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1285 cache don't get ReservedInstruction traps.
1286
c2d11a7d
JM
12871999-11-29 Mark Salter <msalter@cygnus.com>
1288
1289 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1290 to clear status bits in sdisr register. This is how the hardware works.
1291
1292 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1293 being used by cygmon.
1294
4ce44c66
JM
12951999-11-11 Andrew Haley <aph@cygnus.com>
1296
1297 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1298 instructions.
1299
cff3e48b
JM
1300Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1301
1302 * mips.igen (MULT): Correct previous mis-applied patch.
1303
d4f3574e
SS
1304Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1305
1306 * mips.igen (delayslot32): Handle sequence like
1307 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1308 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1309 (MULT): Actually pass the third register...
1310
13111999-09-03 Mark Salter <msalter@cygnus.com>
1312
1313 * interp.c (sim_open): Added more memory aliases for additional
1314 hardware being touched by cygmon on jmr3904 board.
1315
1316Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1317
1318 * configure: Regenerated to track ../common/aclocal.m4 changes.
1319
a0b3c4fd
JM
1320Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1321
1322 * interp.c (sim_store_register): Handle case where client - GDB -
1323 specifies that a 4 byte register is 8 bytes in size.
1324 (sim_fetch_register): Ditto.
1325
adf40b2e
JM
13261999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1327
1328 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1329 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1330 (idt_monitor_base): Base address for IDT monitor traps.
1331 (pmon_monitor_base): Ditto for PMON.
1332 (lsipmon_monitor_base): Ditto for LSI PMON.
1333 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1334 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1335 (sim_firmware_command): New function.
1336 (mips_option_handler): Call it for OPTION_FIRMWARE.
1337 (sim_open): Allocate memory for idt_monitor region. If "--board"
1338 option was given, add no monitor by default. Add BREAK hooks only if
1339 monitors are also there.
1340
43e526b9
JM
1341Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1342
1343 * interp.c (sim_monitor): Flush output before reading input.
1344
1345Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1346
1347 * tconfig.in (SIM_HANDLES_LMA): Always define.
1348
1349Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1350
1351 From Mark Salter <msalter@cygnus.com>:
1352 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1353 (sim_open): Add setup for BSP board.
1354
9846de1b
JM
1355Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1356
1357 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1358 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1359 them as unimplemented.
1360
cd0fc7c3
SS
13611999-05-08 Felix Lee <flee@cygnus.com>
1362
1363 * configure: Regenerated to track ../common/aclocal.m4 changes.
1364
7a292a7a
SS
13651999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1366
1367 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1368
1369Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1370
1371 * configure.in: Any mips64vr5*-*-* target should have
1372 -DTARGET_ENABLE_FR=1.
1373 (default_endian): Any mips64vr*el-*-* target should default to
1374 LITTLE_ENDIAN.
1375 * configure: Re-generate.
1376
13771999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1378
1379 * mips.igen (ldl): Extend from _16_, not 32.
1380
1381Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1382
1383 * interp.c (sim_store_register): Force registers written to by GDB
1384 into an un-interpreted state.
1385
c906108c
SS
13861999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1387
1388 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1389 CPU, start periodic background I/O polls.
1390 (tx3904sio_poll): New function: periodic I/O poller.
1391
13921998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1393
1394 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1395
1396Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1397
1398 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1399 case statement.
1400
14011998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1402
1403 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1404 (load_word): Call SIM_CORE_SIGNAL hook on error.
1405 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1406 starting. For exception dispatching, pass PC instead of NULL_CIA.
1407 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1408 * sim-main.h (COP0_BADVADDR): Define.
1409 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1410 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1411 (_sim_cpu): Add exc_* fields to store register value snapshots.
1412 * mips.igen (*): Replace memory-related SignalException* calls
1413 with references to SIM_CORE_SIGNAL hook.
1414
1415 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1416 fix.
1417 * sim-main.c (*): Minor warning cleanups.
1418
14191998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1420
1421 * m16.igen (DADDIU5): Correct type-o.
1422
1423Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1424
1425 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1426 variables.
1427
1428Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1429
1430 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1431 to include path.
1432 (interp.o): Add dependency on itable.h
1433 (oengine.c, gencode): Delete remaining references.
1434 (BUILT_SRC_FROM_GEN): Clean up.
1435
14361998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1437
1438 * vr4run.c: New.
1439 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1440 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1441 tmp-run-hack) : New.
1442 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1443 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1444 Drop the "64" qualifier to get the HACK generator working.
1445 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1446 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1447 qualifier to get the hack generator working.
1448 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1449 (DSLL): Use do_dsll.
1450 (DSLLV): Use do_dsllv.
1451 (DSRA): Use do_dsra.
1452 (DSRL): Use do_dsrl.
1453 (DSRLV): Use do_dsrlv.
1454 (BC1): Move *vr4100 to get the HACK generator working.
1455 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1456 get the HACK generator working.
1457 (MACC) Rename to get the HACK generator working.
1458 (DMACC,MACCS,DMACCS): Add the 64.
1459
14601998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1461
1462 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1463 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1464
14651998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1466
1467 * mips/interp.c (DEBUG): Cleanups.
1468
14691998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1470
1471 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1472 (tx3904sio_tickle): fflush after a stdout character output.
1473
14741998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1475
1476 * interp.c (sim_close): Uninstall modules.
1477
1478Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1479
1480 * sim-main.h, interp.c (sim_monitor): Change to global
1481 function.
1482
1483Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1484
1485 * configure.in (vr4100): Only include vr4100 instructions in
1486 simulator.
1487 * configure: Re-generate.
1488 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1489
1490Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1491
1492 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1493 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1494 true alternative.
1495
1496 * configure.in (sim_default_gen, sim_use_gen): Replace with
1497 sim_gen.
1498 (--enable-sim-igen): Delete config option. Always using IGEN.
1499 * configure: Re-generate.
1500
1501 * Makefile.in (gencode): Kill, kill, kill.
1502 * gencode.c: Ditto.
1503
1504Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1505
1506 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1507 bit mips16 igen simulator.
1508 * configure: Re-generate.
1509
1510 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1511 as part of vr4100 ISA.
1512 * vr.igen: Mark all instructions as 64 bit only.
1513
1514Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1515
1516 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1517 Pacify GCC.
1518
1519Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1520
1521 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1522 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1523 * configure: Re-generate.
1524
1525 * m16.igen (BREAK): Define breakpoint instruction.
1526 (JALX32): Mark instruction as mips16 and not r3900.
1527 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1528
1529 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1530
1531Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1532
1533 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1534 insn as a debug breakpoint.
1535
1536 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1537 pending.slot_size.
1538 (PENDING_SCHED): Clean up trace statement.
1539 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1540 (PENDING_FILL): Delay write by only one cycle.
1541 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1542
1543 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1544 of pending writes.
1545 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1546 32 & 64.
1547 (pending_tick): Move incrementing of index to FOR statement.
1548 (pending_tick): Only update PENDING_OUT after a write has occured.
1549
1550 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1551 build simulator.
1552 * configure: Re-generate.
1553
1554 * interp.c (sim_engine_run OLD): Delete explicit call to
1555 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1556
1557Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1558
1559 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1560 interrupt level number to match changed SignalExceptionInterrupt
1561 macro.
1562
1563Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1564
1565 * interp.c: #include "itable.h" if WITH_IGEN.
1566 (get_insn_name): New function.
1567 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1568 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1569
1570Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1571
1572 * configure: Rebuilt to inhale new common/aclocal.m4.
1573
1574Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1575
1576 * dv-tx3904sio.c: Include sim-assert.h.
1577
1578Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1579
1580 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1581 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1582 Reorganize target-specific sim-hardware checks.
1583 * configure: rebuilt.
1584 * interp.c (sim_open): For tx39 target boards, set
1585 OPERATING_ENVIRONMENT, add tx3904sio devices.
1586 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1587 ROM executables. Install dv-sockser into sim-modules list.
1588
1589 * dv-tx3904irc.c: Compiler warning clean-up.
1590 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1591 frequent hw-trace messages.
1592
1593Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1594
1595 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1596
1597Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1598
1599 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1600
1601 * vr.igen: New file.
1602 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1603 * mips.igen: Define vr4100 model. Include vr.igen.
1604Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1605
1606 * mips.igen (check_mf_hilo): Correct check.
1607
1608Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1609
1610 * sim-main.h (interrupt_event): Add prototype.
1611
1612 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1613 register_ptr, register_value.
1614 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1615
1616 * sim-main.h (tracefh): Make extern.
1617
1618Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1619
1620 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1621 Reduce unnecessarily high timer event frequency.
1622 * dv-tx3904cpu.c: Ditto for interrupt event.
1623
1624Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1625
1626 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1627 to allay warnings.
1628 (interrupt_event): Made non-static.
1629
1630 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1631 interchange of configuration values for external vs. internal
1632 clock dividers.
1633
1634Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1635
1636 * mips.igen (BREAK): Moved code to here for
1637 simulator-reserved break instructions.
1638 * gencode.c (build_instruction): Ditto.
1639 * interp.c (signal_exception): Code moved from here. Non-
1640 reserved instructions now use exception vector, rather
1641 than halting sim.
1642 * sim-main.h: Moved magic constants to here.
1643
1644Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1645
1646 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1647 register upon non-zero interrupt event level, clear upon zero
1648 event value.
1649 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1650 by passing zero event value.
1651 (*_io_{read,write}_buffer): Endianness fixes.
1652 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1653 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1654
1655 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1656 serial I/O and timer module at base address 0xFFFF0000.
1657
1658Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1659
1660 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1661 and BigEndianCPU.
1662
1663Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1664
1665 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1666 parts.
1667 * configure: Update.
1668
1669Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1670
1671 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1672 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1673 * configure.in: Include tx3904tmr in hw_device list.
1674 * configure: Rebuilt.
1675 * interp.c (sim_open): Instantiate three timer instances.
1676 Fix address typo of tx3904irc instance.
1677
1678Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1679
1680 * interp.c (signal_exception): SystemCall exception now uses
1681 the exception vector.
1682
1683Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1684
1685 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1686 to allay warnings.
1687
1688Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1689
1690 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1691
1692Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1693
1694 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1695
1696 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1697 sim-main.h. Declare a struct hw_descriptor instead of struct
1698 hw_device_descriptor.
1699
1700Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1701
1702 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1703 right bits and then re-align left hand bytes to correct byte
1704 lanes. Fix incorrect computation in do_store_left when loading
1705 bytes from second word.
1706
1707Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1708
1709 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1710 * interp.c (sim_open): Only create a device tree when HW is
1711 enabled.
1712
1713 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1714 * interp.c (signal_exception): Ditto.
1715
1716Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1717
1718 * gencode.c: Mark BEGEZALL as LIKELY.
1719
1720Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1721
1722 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1723 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1724
1725Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1726
1727 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1728 modules. Recognize TX39 target with "mips*tx39" pattern.
1729 * configure: Rebuilt.
1730 * sim-main.h (*): Added many macros defining bits in
1731 TX39 control registers.
1732 (SignalInterrupt): Send actual PC instead of NULL.
1733 (SignalNMIReset): New exception type.
1734 * interp.c (board): New variable for future use to identify
1735 a particular board being simulated.
1736 (mips_option_handler,mips_options): Added "--board" option.
1737 (interrupt_event): Send actual PC.
1738 (sim_open): Make memory layout conditional on board setting.
1739 (signal_exception): Initial implementation of hardware interrupt
1740 handling. Accept another break instruction variant for simulator
1741 exit.
1742 (decode_coproc): Implement RFE instruction for TX39.
1743 (mips.igen): Decode RFE instruction as such.
1744 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1745 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1746 bbegin to implement memory map.
1747 * dv-tx3904cpu.c: New file.
1748 * dv-tx3904irc.c: New file.
1749
1750Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1751
1752 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1753
1754Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1755
1756 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1757 with calls to check_div_hilo.
1758
1759Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1760
1761 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1762 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1763 Add special r3900 version of do_mult_hilo.
1764 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1765 with calls to check_mult_hilo.
1766 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1767 with calls to check_div_hilo.
1768
1769Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1770
1771 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1772 Document a replacement.
1773
1774Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1775
1776 * interp.c (sim_monitor): Make mon_printf work.
1777
1778Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1779
1780 * sim-main.h (INSN_NAME): New arg `cpu'.
1781
1782Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1783
1784 * configure: Regenerated to track ../common/aclocal.m4 changes.
1785
1786Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1787
1788 * configure: Regenerated to track ../common/aclocal.m4 changes.
1789 * config.in: Ditto.
1790
1791Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1792
1793 * acconfig.h: New file.
1794 * configure.in: Reverted change of Apr 24; use sinclude again.
1795
1796Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1797
1798 * configure: Regenerated to track ../common/aclocal.m4 changes.
1799 * config.in: Ditto.
1800
1801Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1802
1803 * configure.in: Don't call sinclude.
1804
1805Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1806
1807 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1808
1809Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1810
1811 * mips.igen (ERET): Implement.
1812
1813 * interp.c (decode_coproc): Return sign-extended EPC.
1814
1815 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1816
1817 * interp.c (signal_exception): Do not ignore Trap.
1818 (signal_exception): On TRAP, restart at exception address.
1819 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1820 (signal_exception): Update.
1821 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1822 so that TRAP instructions are caught.
1823
1824Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1825
1826 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1827 contains HI/LO access history.
1828 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1829 (HIACCESS, LOACCESS): Delete, replace with
1830 (HIHISTORY, LOHISTORY): New macros.
1831 (CHECKHILO): Delete all, moved to mips.igen
1832
1833 * gencode.c (build_instruction): Do not generate checks for
1834 correct HI/LO register usage.
1835
1836 * interp.c (old_engine_run): Delete checks for correct HI/LO
1837 register usage.
1838
1839 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1840 check_mf_cycles): New functions.
1841 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1842 do_divu, domultx, do_mult, do_multu): Use.
1843
1844 * tx.igen ("madd", "maddu"): Use.
1845
1846Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1847
1848 * mips.igen (DSRAV): Use function do_dsrav.
1849 (SRAV): Use new function do_srav.
1850
1851 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1852 (B): Sign extend 11 bit immediate.
1853 (EXT-B*): Shift 16 bit immediate left by 1.
1854 (ADDIU*): Don't sign extend immediate value.
1855
1856Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1857
1858 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1859
1860 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1861 functions.
1862
1863 * mips.igen (delayslot32, nullify_next_insn): New functions.
1864 (m16.igen): Always include.
1865 (do_*): Add more tracing.
1866
1867 * m16.igen (delayslot16): Add NIA argument, could be called by a
1868 32 bit MIPS16 instruction.
1869
1870 * interp.c (ifetch16): Move function from here.
1871 * sim-main.c (ifetch16): To here.
1872
1873 * sim-main.c (ifetch16, ifetch32): Update to match current
1874 implementations of LH, LW.
1875 (signal_exception): Don't print out incorrect hex value of illegal
1876 instruction.
1877
1878Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1879
1880 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1881 instruction.
1882
1883 * m16.igen: Implement MIPS16 instructions.
1884
1885 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1886 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1887 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1888 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1889 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1890 bodies of corresponding code from 32 bit insn to these. Also used
1891 by MIPS16 versions of functions.
1892
1893 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1894 (IMEM16): Drop NR argument from macro.
1895
1896Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1897
1898 * Makefile.in (SIM_OBJS): Add sim-main.o.
1899
1900 * sim-main.h (address_translation, load_memory, store_memory,
1901 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1902 as INLINE_SIM_MAIN.
1903 (pr_addr, pr_uword64): Declare.
1904 (sim-main.c): Include when H_REVEALS_MODULE_P.
1905
1906 * interp.c (address_translation, load_memory, store_memory,
1907 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1908 from here.
1909 * sim-main.c: To here. Fix compilation problems.
1910
1911 * configure.in: Enable inlining.
1912 * configure: Re-config.
1913
1914Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1915
1916 * configure: Regenerated to track ../common/aclocal.m4 changes.
1917
1918Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1919
1920 * mips.igen: Include tx.igen.
1921 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1922 * tx.igen: New file, contains MADD and MADDU.
1923
1924 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1925 the hardwired constant `7'.
1926 (store_memory): Ditto.
1927 (LOADDRMASK): Move definition to sim-main.h.
1928
1929 mips.igen (MTC0): Enable for r3900.
1930 (ADDU): Add trace.
1931
1932 mips.igen (do_load_byte): Delete.
1933 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1934 do_store_right): New functions.
1935 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1936
1937 configure.in: Let the tx39 use igen again.
1938 configure: Update.
1939
1940Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1941
1942 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1943 not an address sized quantity. Return zero for cache sizes.
1944
1945Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1946
1947 * mips.igen (r3900): r3900 does not support 64 bit integer
1948 operations.
1949
1950Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1951
1952 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1953 than igen one.
1954 * configure : Rebuild.
1955
1956Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1957
1958 * configure: Regenerated to track ../common/aclocal.m4 changes.
1959
1960Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1961
1962 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1963
1964Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1965
1966 * configure: Regenerated to track ../common/aclocal.m4 changes.
1967 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1968
1969Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1970
1971 * configure: Regenerated to track ../common/aclocal.m4 changes.
1972
1973Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1974
1975 * interp.c (Max, Min): Comment out functions. Not yet used.
1976
1977Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1978
1979 * configure: Regenerated to track ../common/aclocal.m4 changes.
1980
1981Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1982
1983 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1984 configurable settings for stand-alone simulator.
1985
1986 * configure.in: Added X11 search, just in case.
1987
1988 * configure: Regenerated.
1989
1990Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1991
1992 * interp.c (sim_write, sim_read, load_memory, store_memory):
1993 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1994
1995Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1996
1997 * sim-main.h (GETFCC): Return an unsigned value.
1998
1999Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
2000
2001 * mips.igen (DIV): Fix check for -1 / MIN_INT.
2002 (DADD): Result destination is RD not RT.
2003
2004Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
2005
2006 * sim-main.h (HIACCESS, LOACCESS): Always define.
2007
2008 * mdmx.igen (Maxi, Mini): Rename Max, Min.
2009
2010 * interp.c (sim_info): Delete.
2011
2012Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
2013
2014 * interp.c (DECLARE_OPTION_HANDLER): Use it.
2015 (mips_option_handler): New argument `cpu'.
2016 (sim_open): Update call to sim_add_option_table.
2017
2018Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
2019
2020 * mips.igen (CxC1): Add tracing.
2021
2022Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
2023
2024 * sim-main.h (Max, Min): Declare.
2025
2026 * interp.c (Max, Min): New functions.
2027
2028 * mips.igen (BC1): Add tracing.
2029
2030Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
2031
2032 * interp.c Added memory map for stack in vr4100
2033
2034Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
2035
2036 * interp.c (load_memory): Add missing "break"'s.
2037
2038Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
2039
2040 * interp.c (sim_store_register, sim_fetch_register): Pass in
2041 length parameter. Return -1.
2042
2043Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
2044
2045 * interp.c: Added hardware init hook, fixed warnings.
2046
2047Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
2048
2049 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
2050
2051Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
2052
2053 * interp.c (ifetch16): New function.
2054
2055 * sim-main.h (IMEM32): Rename IMEM.
2056 (IMEM16_IMMED): Define.
2057 (IMEM16): Define.
2058 (DELAY_SLOT): Update.
2059
2060 * m16run.c (sim_engine_run): New file.
2061
2062 * m16.igen: All instructions except LB.
2063 (LB): Call do_load_byte.
2064 * mips.igen (do_load_byte): New function.
2065 (LB): Call do_load_byte.
2066
2067 * mips.igen: Move spec for insn bit size and high bit from here.
2068 * Makefile.in (tmp-igen, tmp-m16): To here.
2069
2070 * m16.dc: New file, decode mips16 instructions.
2071
2072 * Makefile.in (SIM_NO_ALL): Define.
2073 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
2074
2075Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
2076
2077 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
2078 point unit to 32 bit registers.
2079 * configure: Re-generate.
2080
2081Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
2082
2083 * configure.in (sim_use_gen): Make IGEN the default simulator
2084 generator for generic 32 and 64 bit mips targets.
2085 * configure: Re-generate.
2086
2087Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
2088
2089 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
2090 bitsize.
2091
2092 * interp.c (sim_fetch_register, sim_store_register): Read/write
2093 FGR from correct location.
2094 (sim_open): Set size of FGR's according to
2095 WITH_TARGET_FLOATING_POINT_BITSIZE.
2096
2097 * sim-main.h (FGR): Store floating point registers in a separate
2098 array.
2099
2100Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
2101
2102 * configure: Regenerated to track ../common/aclocal.m4 changes.
2103
2104Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
2105
2106 * interp.c (ColdReset): Call PENDING_INVALIDATE.
2107
2108 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
2109
2110 * interp.c (pending_tick): New function. Deliver pending writes.
2111
2112 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
2113 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
2114 it can handle mixed sized quantites and single bits.
2115
2116Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
2117
2118 * interp.c (oengine.h): Do not include when building with IGEN.
2119 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
2120 (sim_info): Ditto for PROCESSOR_64BIT.
2121 (sim_monitor): Replace ut_reg with unsigned_word.
2122 (*): Ditto for t_reg.
2123 (LOADDRMASK): Define.
2124 (sim_open): Remove defunct check that host FP is IEEE compliant,
2125 using software to emulate floating point.
2126 (value_fpr, ...): Always compile, was conditional on HASFPU.
2127
2128Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
2129
2130 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
2131 size.
2132
2133 * interp.c (SD, CPU): Define.
2134 (mips_option_handler): Set flags in each CPU.
2135 (interrupt_event): Assume CPU 0 is the one being iterrupted.
2136 (sim_close): Do not clear STATE, deleted anyway.
2137 (sim_write, sim_read): Assume CPU zero's vm should be used for
2138 data transfers.
2139 (sim_create_inferior): Set the PC for all processors.
2140 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
2141 argument.
2142 (mips16_entry): Pass correct nr of args to store_word, load_word.
2143 (ColdReset): Cold reset all cpu's.
2144 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
2145 (sim_monitor, load_memory, store_memory, signal_exception): Use
2146 `CPU' instead of STATE_CPU.
2147
2148
2149 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
2150 SD or CPU_.
2151
2152 * sim-main.h (signal_exception): Add sim_cpu arg.
2153 (SignalException*): Pass both SD and CPU to signal_exception.
2154 * interp.c (signal_exception): Update.
2155
2156 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
2157 Ditto
2158 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2159 address_translation): Ditto
2160 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
2161
2162Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2163
2164 * configure: Regenerated to track ../common/aclocal.m4 changes.
2165
2166Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2167
2168 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2169
2170 * mips.igen (model): Map processor names onto BFD name.
2171
2172 * sim-main.h (CPU_CIA): Delete.
2173 (SET_CIA, GET_CIA): Define
2174
2175Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2176
2177 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2178 regiser.
2179
2180 * configure.in (default_endian): Configure a big-endian simulator
2181 by default.
2182 * configure: Re-generate.
2183
2184Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2185
2186 * configure: Regenerated to track ../common/aclocal.m4 changes.
2187
2188Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2189
2190 * interp.c (sim_monitor): Handle Densan monitor outbyte
2191 and inbyte functions.
2192
21931997-12-29 Felix Lee <flee@cygnus.com>
2194
2195 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2196
2197Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2198
2199 * Makefile.in (tmp-igen): Arrange for $zero to always be
2200 reset to zero after every instruction.
2201
2202Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2203
2204 * configure: Regenerated to track ../common/aclocal.m4 changes.
2205 * config.in: Ditto.
2206
2207Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2208
2209 * mips.igen (MSUB): Fix to work like MADD.
2210 * gencode.c (MSUB): Similarly.
2211
2212Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2213
2214 * configure: Regenerated to track ../common/aclocal.m4 changes.
2215
2216Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2217
2218 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2219
2220Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2221
2222 * sim-main.h (sim-fpu.h): Include.
2223
2224 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2225 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2226 using host independant sim_fpu module.
2227
2228Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2229
2230 * interp.c (signal_exception): Report internal errors with SIGABRT
2231 not SIGQUIT.
2232
2233 * sim-main.h (C0_CONFIG): New register.
2234 (signal.h): No longer include.
2235
2236 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2237
2238Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2239
2240 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2241
2242Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2243
2244 * mips.igen: Tag vr5000 instructions.
2245 (ANDI): Was missing mipsIV model, fix assembler syntax.
2246 (do_c_cond_fmt): New function.
2247 (C.cond.fmt): Handle mips I-III which do not support CC field
2248 separatly.
2249 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2250 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2251 in IV3.2 spec.
2252 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2253 vr5000 which saves LO in a GPR separatly.
2254
2255 * configure.in (enable-sim-igen): For vr5000, select vr5000
2256 specific instructions.
2257 * configure: Re-generate.
2258
2259Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2260
2261 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2262
2263 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2264 fmt_uninterpreted_64 bit cases to switch. Convert to
2265 fmt_formatted,
2266
2267 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2268
2269 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2270 as specified in IV3.2 spec.
2271 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2272
2273Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2274
2275 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2276 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2277 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2278 PENDING_FILL versions of instructions. Simplify.
2279 (X): New function.
2280 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2281 instructions.
2282 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2283 a signed value.
2284 (MTHI, MFHI): Disable code checking HI-LO.
2285
2286 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2287 global.
2288 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2289
2290Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2291
2292 * gencode.c (build_mips16_operands): Replace IPC with cia.
2293
2294 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2295 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2296 IPC to `cia'.
2297 (UndefinedResult): Replace function with macro/function
2298 combination.
2299 (sim_engine_run): Don't save PC in IPC.
2300
2301 * sim-main.h (IPC): Delete.
2302
2303
2304 * interp.c (signal_exception, store_word, load_word,
2305 address_translation, load_memory, store_memory, cache_op,
2306 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2307 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2308 current instruction address - cia - argument.
2309 (sim_read, sim_write): Call address_translation directly.
2310 (sim_engine_run): Rename variable vaddr to cia.
2311 (signal_exception): Pass cia to sim_monitor
2312
2313 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2314 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2315 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2316
2317 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2318 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2319 SIM_ASSERT.
2320
2321 * interp.c (signal_exception): Pass restart address to
2322 sim_engine_restart.
2323
2324 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2325 idecode.o): Add dependency.
2326
2327 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2328 Delete definitions
2329 (DELAY_SLOT): Update NIA not PC with branch address.
2330 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2331
2332 * mips.igen: Use CIA not PC in branch calculations.
2333 (illegal): Call SignalException.
2334 (BEQ, ADDIU): Fix assembler.
2335
2336Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2337
2338 * m16.igen (JALX): Was missing.
2339
2340 * configure.in (enable-sim-igen): New configuration option.
2341 * configure: Re-generate.
2342
2343 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2344
2345 * interp.c (load_memory, store_memory): Delete parameter RAW.
2346 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2347 bypassing {load,store}_memory.
2348
2349 * sim-main.h (ByteSwapMem): Delete definition.
2350
2351 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2352
2353 * interp.c (sim_do_command, sim_commands): Delete mips specific
2354 commands. Handled by module sim-options.
2355
2356 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2357 (WITH_MODULO_MEMORY): Define.
2358
2359 * interp.c (sim_info): Delete code printing memory size.
2360
2361 * interp.c (mips_size): Nee sim_size, delete function.
2362 (power2): Delete.
2363 (monitor, monitor_base, monitor_size): Delete global variables.
2364 (sim_open, sim_close): Delete code creating monitor and other
2365 memory regions. Use sim-memopts module, via sim_do_commandf, to
2366 manage memory regions.
2367 (load_memory, store_memory): Use sim-core for memory model.
2368
2369 * interp.c (address_translation): Delete all memory map code
2370 except line forcing 32 bit addresses.
2371
2372Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2373
2374 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2375 trace options.
2376
2377 * interp.c (logfh, logfile): Delete globals.
2378 (sim_open, sim_close): Delete code opening & closing log file.
2379 (mips_option_handler): Delete -l and -n options.
2380 (OPTION mips_options): Ditto.
2381
2382 * interp.c (OPTION mips_options): Rename option trace to dinero.
2383 (mips_option_handler): Update.
2384
2385Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2386
2387 * interp.c (fetch_str): New function.
2388 (sim_monitor): Rewrite using sim_read & sim_write.
2389 (sim_open): Check magic number.
2390 (sim_open): Write monitor vectors into memory using sim_write.
2391 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2392 (sim_read, sim_write): Simplify - transfer data one byte at a
2393 time.
2394 (load_memory, store_memory): Clarify meaning of parameter RAW.
2395
2396 * sim-main.h (isHOST): Defete definition.
2397 (isTARGET): Mark as depreciated.
2398 (address_translation): Delete parameter HOST.
2399
2400 * interp.c (address_translation): Delete parameter HOST.
2401
2402Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2403
2404 * mips.igen:
2405
2406 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2407 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2408
2409Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2410
2411 * mips.igen: Add model filter field to records.
2412
2413Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2414
2415 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2416
2417 interp.c (sim_engine_run): Do not compile function sim_engine_run
2418 when WITH_IGEN == 1.
2419
2420 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2421 target architecture.
2422
2423 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2424 igen. Replace with configuration variables sim_igen_flags /
2425 sim_m16_flags.
2426
2427 * m16.igen: New file. Copy mips16 insns here.
2428 * mips.igen: From here.
2429
2430Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2431
2432 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2433 to top.
2434 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2435
2436Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2437
2438 * gencode.c (build_instruction): Follow sim_write's lead in using
2439 BigEndianMem instead of !ByteSwapMem.
2440
2441Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2442
2443 * configure.in (sim_gen): Dependent on target, select type of
2444 generator. Always select old style generator.
2445
2446 configure: Re-generate.
2447
2448 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2449 targets.
2450 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2451 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2452 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2453 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2454 SIM_@sim_gen@_*, set by autoconf.
2455
2456Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2457
2458 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2459
2460 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2461 CURRENT_FLOATING_POINT instead.
2462
2463 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2464 (address_translation): Raise exception InstructionFetch when
2465 translation fails and isINSTRUCTION.
2466
2467 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2468 sim_engine_run): Change type of of vaddr and paddr to
2469 address_word.
2470 (address_translation, prefetch, load_memory, store_memory,
2471 cache_op): Change type of vAddr and pAddr to address_word.
2472
2473 * gencode.c (build_instruction): Change type of vaddr and paddr to
2474 address_word.
2475
2476Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2477
2478 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2479 macro to obtain result of ALU op.
2480
2481Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2482
2483 * interp.c (sim_info): Call profile_print.
2484
2485Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2486
2487 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2488
2489 * sim-main.h (WITH_PROFILE): Do not define, defined in
2490 common/sim-config.h. Use sim-profile module.
2491 (simPROFILE): Delete defintion.
2492
2493 * interp.c (PROFILE): Delete definition.
2494 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2495 (sim_close): Delete code writing profile histogram.
2496 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2497 Delete.
2498 (sim_engine_run): Delete code profiling the PC.
2499
2500Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2501
2502 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2503
2504 * interp.c (sim_monitor): Make register pointers of type
2505 unsigned_word*.
2506
2507 * sim-main.h: Make registers of type unsigned_word not
2508 signed_word.
2509
2510Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2511
2512 * interp.c (sync_operation): Rename from SyncOperation, make
2513 global, add SD argument.
2514 (prefetch): Rename from Prefetch, make global, add SD argument.
2515 (decode_coproc): Make global.
2516
2517 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2518
2519 * gencode.c (build_instruction): Generate DecodeCoproc not
2520 decode_coproc calls.
2521
2522 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2523 (SizeFGR): Move to sim-main.h
2524 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2525 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2526 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2527 sim-main.h.
2528 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2529 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2530 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2531 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2532 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2533 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2534
2535 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2536 exception.
2537 (sim-alu.h): Include.
2538 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2539 (sim_cia): Typedef to instruction_address.
2540
2541Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2542
2543 * Makefile.in (interp.o): Rename generated file engine.c to
2544 oengine.c.
2545
2546 * interp.c: Update.
2547
2548Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2549
2550 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2551
2552Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2553
2554 * gencode.c (build_instruction): For "FPSQRT", output correct
2555 number of arguments to Recip.
2556
2557Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2558
2559 * Makefile.in (interp.o): Depends on sim-main.h
2560
2561 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2562
2563 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2564 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2565 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2566 STATE, DSSTATE): Define
2567 (GPR, FGRIDX, ..): Define.
2568
2569 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2570 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2571 (GPR, FGRIDX, ...): Delete macros.
2572
2573 * interp.c: Update names to match defines from sim-main.h
2574
2575Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2576
2577 * interp.c (sim_monitor): Add SD argument.
2578 (sim_warning): Delete. Replace calls with calls to
2579 sim_io_eprintf.
2580 (sim_error): Delete. Replace calls with sim_io_error.
2581 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2582 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2583 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2584 argument.
2585 (mips_size): Rename from sim_size. Add SD argument.
2586
2587 * interp.c (simulator): Delete global variable.
2588 (callback): Delete global variable.
2589 (mips_option_handler, sim_open, sim_write, sim_read,
2590 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2591 sim_size,sim_monitor): Use sim_io_* not callback->*.
2592 (sim_open): ZALLOC simulator struct.
2593 (PROFILE): Do not define.
2594
2595Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2596
2597 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2598 support.h with corresponding code.
2599
2600 * sim-main.h (word64, uword64), support.h: Move definition to
2601 sim-main.h.
2602 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2603
2604 * support.h: Delete
2605 * Makefile.in: Update dependencies
2606 * interp.c: Do not include.
2607
2608Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2609
2610 * interp.c (address_translation, load_memory, store_memory,
2611 cache_op): Rename to from AddressTranslation et.al., make global,
2612 add SD argument
2613
2614 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2615 CacheOp): Define.
2616
2617 * interp.c (SignalException): Rename to signal_exception, make
2618 global.
2619
2620 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2621
2622 * sim-main.h (SignalException, SignalExceptionInterrupt,
2623 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2624 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2625 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2626 Define.
2627
2628 * interp.c, support.h: Use.
2629
2630Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2631
2632 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2633 to value_fpr / store_fpr. Add SD argument.
2634 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2635 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2636
2637 * sim-main.h (ValueFPR, StoreFPR): Define.
2638
2639Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2640
2641 * interp.c (sim_engine_run): Check consistency between configure
2642 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2643 and HASFPU.
2644
2645 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2646 (mips_fpu): Configure WITH_FLOATING_POINT.
2647 (mips_endian): Configure WITH_TARGET_ENDIAN.
2648 * configure: Update.
2649
2650Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2651
2652 * configure: Regenerated to track ../common/aclocal.m4 changes.
2653
2654Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2655
2656 * configure: Regenerated.
2657
2658Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2659
2660 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2661
2662Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2663
2664 * gencode.c (print_igen_insn_models): Assume certain architectures
2665 include all mips* instructions.
2666 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2667 instruction.
2668
2669 * Makefile.in (tmp.igen): Add target. Generate igen input from
2670 gencode file.
2671
2672 * gencode.c (FEATURE_IGEN): Define.
2673 (main): Add --igen option. Generate output in igen format.
2674 (process_instructions): Format output according to igen option.
2675 (print_igen_insn_format): New function.
2676 (print_igen_insn_models): New function.
2677 (process_instructions): Only issue warnings and ignore
2678 instructions when no FEATURE_IGEN.
2679
2680Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2681
2682 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2683 MIPS targets.
2684
2685Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2686
2687 * configure: Regenerated to track ../common/aclocal.m4 changes.
2688
2689Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2690
2691 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2692 SIM_RESERVED_BITS): Delete, moved to common.
2693 (SIM_EXTRA_CFLAGS): Update.
2694
2695Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2696
2697 * configure.in: Configure non-strict memory alignment.
2698 * configure: Regenerated to track ../common/aclocal.m4 changes.
2699
2700Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2701
2702 * configure: Regenerated to track ../common/aclocal.m4 changes.
2703
2704Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2705
2706 * gencode.c (SDBBP,DERET): Added (3900) insns.
2707 (RFE): Turn on for 3900.
2708 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2709 (dsstate): Made global.
2710 (SUBTARGET_R3900): Added.
2711 (CANCELDELAYSLOT): New.
2712 (SignalException): Ignore SystemCall rather than ignore and
2713 terminate. Add DebugBreakPoint handling.
2714 (decode_coproc): New insns RFE, DERET; and new registers Debug
2715 and DEPC protected by SUBTARGET_R3900.
2716 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2717 bits explicitly.
2718 * Makefile.in,configure.in: Add mips subtarget option.
2719 * configure: Update.
2720
2721Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2722
2723 * gencode.c: Add r3900 (tx39).
2724
2725
2726Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2727
2728 * gencode.c (build_instruction): Don't need to subtract 4 for
2729 JALR, just 2.
2730
2731Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2732
2733 * interp.c: Correct some HASFPU problems.
2734
2735Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2736
2737 * configure: Regenerated to track ../common/aclocal.m4 changes.
2738
2739Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2740
2741 * interp.c (mips_options): Fix samples option short form, should
2742 be `x'.
2743
2744Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2745
2746 * interp.c (sim_info): Enable info code. Was just returning.
2747
2748Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2749
2750 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2751 MFC0.
2752
2753Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2754
2755 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2756 constants.
2757 (build_instruction): Ditto for LL.
2758
2759Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2760
2761 * configure: Regenerated to track ../common/aclocal.m4 changes.
2762
2763Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2764
2765 * configure: Regenerated to track ../common/aclocal.m4 changes.
2766 * config.in: Ditto.
2767
2768Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2769
2770 * interp.c (sim_open): Add call to sim_analyze_program, update
2771 call to sim_config.
2772
2773Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2774
2775 * interp.c (sim_kill): Delete.
2776 (sim_create_inferior): Add ABFD argument. Set PC from same.
2777 (sim_load): Move code initializing trap handlers from here.
2778 (sim_open): To here.
2779 (sim_load): Delete, use sim-hload.c.
2780
2781 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2782
2783Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2784
2785 * configure: Regenerated to track ../common/aclocal.m4 changes.
2786 * config.in: Ditto.
2787
2788Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2789
2790 * interp.c (sim_open): Add ABFD argument.
2791 (sim_load): Move call to sim_config from here.
2792 (sim_open): To here. Check return status.
2793
2794Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2795
2796 * gencode.c (build_instruction): Two arg MADD should
2797 not assign result to $0.
2798
2799Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2800
2801 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2802 * sim/mips/configure.in: Regenerate.
2803
2804Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2805
2806 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2807 signed8, unsigned8 et.al. types.
2808
2809 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2810 hosts when selecting subreg.
2811
2812Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2813
2814 * interp.c (sim_engine_run): Reset the ZERO register to zero
2815 regardless of FEATURE_WARN_ZERO.
2816 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2817
2818Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2819
2820 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2821 (SignalException): For BreakPoints ignore any mode bits and just
2822 save the PC.
2823 (SignalException): Always set the CAUSE register.
2824
2825Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2826
2827 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2828 exception has been taken.
2829
2830 * interp.c: Implement the ERET and mt/f sr instructions.
2831
2832Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2833
2834 * interp.c (SignalException): Don't bother restarting an
2835 interrupt.
2836
2837Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2838
2839 * interp.c (SignalException): Really take an interrupt.
2840 (interrupt_event): Only deliver interrupts when enabled.
2841
2842Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2843
2844 * interp.c (sim_info): Only print info when verbose.
2845 (sim_info) Use sim_io_printf for output.
2846
2847Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2848
2849 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2850 mips architectures.
2851
2852Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2853
2854 * interp.c (sim_do_command): Check for common commands if a
2855 simulator specific command fails.
2856
2857Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2858
2859 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2860 and simBE when DEBUG is defined.
2861
2862Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2863
2864 * interp.c (interrupt_event): New function. Pass exception event
2865 onto exception handler.
2866
2867 * configure.in: Check for stdlib.h.
2868 * configure: Regenerate.
2869
2870 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2871 variable declaration.
2872 (build_instruction): Initialize memval1.
2873 (build_instruction): Add UNUSED attribute to byte, bigend,
2874 reverse.
2875 (build_operands): Ditto.
2876
2877 * interp.c: Fix GCC warnings.
2878 (sim_get_quit_code): Delete.
2879
2880 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2881 * Makefile.in: Ditto.
2882 * configure: Re-generate.
2883
2884 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2885
2886Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2887
2888 * interp.c (mips_option_handler): New function parse argumes using
2889 sim-options.
2890 (myname): Replace with STATE_MY_NAME.
2891 (sim_open): Delete check for host endianness - performed by
2892 sim_config.
2893 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2894 (sim_open): Move much of the initialization from here.
2895 (sim_load): To here. After the image has been loaded and
2896 endianness set.
2897 (sim_open): Move ColdReset from here.
2898 (sim_create_inferior): To here.
2899 (sim_open): Make FP check less dependant on host endianness.
2900
2901 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2902 run.
2903 * interp.c (sim_set_callbacks): Delete.
2904
2905 * interp.c (membank, membank_base, membank_size): Replace with
2906 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2907 (sim_open): Remove call to callback->init. gdb/run do this.
2908
2909 * interp.c: Update
2910
2911 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2912
2913 * interp.c (big_endian_p): Delete, replaced by
2914 current_target_byte_order.
2915
2916Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2917
2918 * interp.c (host_read_long, host_read_word, host_swap_word,
2919 host_swap_long): Delete. Using common sim-endian.
2920 (sim_fetch_register, sim_store_register): Use H2T.
2921 (pipeline_ticks): Delete. Handled by sim-events.
2922 (sim_info): Update.
2923 (sim_engine_run): Update.
2924
2925Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2926
2927 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2928 reason from here.
2929 (SignalException): To here. Signal using sim_engine_halt.
2930 (sim_stop_reason): Delete, moved to common.
2931
2932Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2933
2934 * interp.c (sim_open): Add callback argument.
2935 (sim_set_callbacks): Delete SIM_DESC argument.
2936 (sim_size): Ditto.
2937
2938Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2939
2940 * Makefile.in (SIM_OBJS): Add common modules.
2941
2942 * interp.c (sim_set_callbacks): Also set SD callback.
2943 (set_endianness, xfer_*, swap_*): Delete.
2944 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2945 Change to functions using sim-endian macros.
2946 (control_c, sim_stop): Delete, use common version.
2947 (simulate): Convert into.
2948 (sim_engine_run): This function.
2949 (sim_resume): Delete.
2950
2951 * interp.c (simulation): New variable - the simulator object.
2952 (sim_kind): Delete global - merged into simulation.
2953 (sim_load): Cleanup. Move PC assignment from here.
2954 (sim_create_inferior): To here.
2955
2956 * sim-main.h: New file.
2957 * interp.c (sim-main.h): Include.
2958
2959Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2960
2961 * configure: Regenerated to track ../common/aclocal.m4 changes.
2962
2963Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2964
2965 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2966
2967Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2968
2969 * gencode.c (build_instruction): DIV instructions: check
2970 for division by zero and integer overflow before using
2971 host's division operation.
2972
2973Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2974
2975 * Makefile.in (SIM_OBJS): Add sim-load.o.
2976 * interp.c: #include bfd.h.
2977 (target_byte_order): Delete.
2978 (sim_kind, myname, big_endian_p): New static locals.
2979 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2980 after argument parsing. Recognize -E arg, set endianness accordingly.
2981 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2982 load file into simulator. Set PC from bfd.
2983 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2984 (set_endianness): Use big_endian_p instead of target_byte_order.
2985
2986Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2987
2988 * interp.c (sim_size): Delete prototype - conflicts with
2989 definition in remote-sim.h. Correct definition.
2990
2991Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2992
2993 * configure: Regenerated to track ../common/aclocal.m4 changes.
2994 * config.in: Ditto.
2995
2996Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2997
2998 * interp.c (sim_open): New arg `kind'.
2999
3000 * configure: Regenerated to track ../common/aclocal.m4 changes.
3001
3002Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3003
3004 * configure: Regenerated to track ../common/aclocal.m4 changes.
3005
3006Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
3007
3008 * interp.c (sim_open): Set optind to 0 before calling getopt.
3009
3010Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3011
3012 * configure: Regenerated to track ../common/aclocal.m4 changes.
3013
3014Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
3015
3016 * interp.c : Replace uses of pr_addr with pr_uword64
3017 where the bit length is always 64 independent of SIM_ADDR.
3018 (pr_uword64) : added.
3019
3020Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3021
3022 * configure: Re-generate.
3023
3024Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
3025
3026 * configure: Regenerate to track ../common/aclocal.m4 changes.
3027
3028Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
3029
3030 * interp.c (sim_open): New SIM_DESC result. Argument is now
3031 in argv form.
3032 (other sim_*): New SIM_DESC argument.
3033
3034Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
3035
3036 * interp.c: Fix printing of addresses for non-64-bit targets.
3037 (pr_addr): Add function to print address based on size.
3038
3039Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
3040
3041 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
3042
3043Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
3044
3045 * gencode.c (build_mips16_operands): Correct computation of base
3046 address for extended PC relative instruction.
3047
3048Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
3049
3050 * interp.c (mips16_entry): Add support for floating point cases.
3051 (SignalException): Pass floating point cases to mips16_entry.
3052 (ValueFPR): Don't restrict fmt_single and fmt_word to even
3053 registers.
3054 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
3055 or fmt_word.
3056 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
3057 and then set the state to fmt_uninterpreted.
3058 (COP_SW): Temporarily set the state to fmt_word while calling
3059 ValueFPR.
3060
3061Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
3062
3063 * gencode.c (build_instruction): The high order may be set in the
3064 comparison flags at any ISA level, not just ISA 4.
3065
3066Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
3067
3068 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
3069 COMMON_{PRE,POST}_CONFIG_FRAG instead.
3070 * configure.in: sinclude ../common/aclocal.m4.
3071 * configure: Regenerated.
3072
3073Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
3074
3075 * configure: Rebuild after change to aclocal.m4.
3076
3077Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
3078
3079 * configure configure.in Makefile.in: Update to new configure
3080 scheme which is more compatible with WinGDB builds.
3081 * configure.in: Improve comment on how to run autoconf.
3082 * configure: Re-run autoconf to get new ../common/aclocal.m4.
3083 * Makefile.in: Use autoconf substitution to install common
3084 makefile fragment.
3085
3086Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
3087
3088 * gencode.c (build_instruction): Use BigEndianCPU instead of
3089 ByteSwapMem.
3090
3091Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
3092
3093 * interp.c (sim_monitor): Make output to stdout visible in
3094 wingdb's I/O log window.
3095
3096Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
3097
3098 * support.h: Undo previous change to SIGTRAP
3099 and SIGQUIT values.
3100
3101Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
3102
3103 * interp.c (store_word, load_word): New static functions.
3104 (mips16_entry): New static function.
3105 (SignalException): Look for mips16 entry and exit instructions.
3106 (simulate): Use the correct index when setting fpr_state after
3107 doing a pending move.
3108
3109Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
3110
3111 * interp.c: Fix byte-swapping code throughout to work on
3112 both little- and big-endian hosts.
3113
3114Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
3115
3116 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
3117 with gdb/config/i386/xm-windows.h.
3118
3119Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
3120
3121 * gencode.c (build_instruction): Work around MSVC++ code gen bug
3122 that messes up arithmetic shifts.
3123
3124Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
3125
3126 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
3127 SIGTRAP and SIGQUIT for _WIN32.
3128
3129Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
3130
3131 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
3132 force a 64 bit multiplication.
3133 (build_instruction) [OR]: In mips16 mode, don't do anything if the
3134 destination register is 0, since that is the default mips16 nop
3135 instruction.
3136
3137Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
3138
3139 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
3140 (build_endian_shift): Don't check proc64.
3141 (build_instruction): Always set memval to uword64. Cast op2 to
3142 uword64 when shifting it left in memory instructions. Always use
3143 the same code for stores--don't special case proc64.
3144
3145 * gencode.c (build_mips16_operands): Fix base PC value for PC
3146 relative operands.
3147 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
3148 jal instruction.
3149 * interp.c (simJALDELAYSLOT): Define.
3150 (JALDELAYSLOT): Define.
3151 (INDELAYSLOT, INJALDELAYSLOT): Define.
3152 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
3153
3154Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
3155
3156 * interp.c (sim_open): add flush_cache as a PMON routine
3157 (sim_monitor): handle flush_cache by ignoring it
3158
3159Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3160
3161 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3162 BigEndianMem.
3163 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3164 (BigEndianMem): Rename to ByteSwapMem and change sense.
3165 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3166 BigEndianMem references to !ByteSwapMem.
3167 (set_endianness): New function, with prototype.
3168 (sim_open): Call set_endianness.
3169 (sim_info): Use simBE instead of BigEndianMem.
3170 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3171 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3172 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3173 ifdefs, keeping the prototype declaration.
3174 (swap_word): Rewrite correctly.
3175 (ColdReset): Delete references to CONFIG. Delete endianness related
3176 code; moved to set_endianness.
3177
3178Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3179
3180 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3181 * interp.c (CHECKHILO): Define away.
3182 (simSIGINT): New macro.
3183 (membank_size): Increase from 1MB to 2MB.
3184 (control_c): New function.
3185 (sim_resume): Rename parameter signal to signal_number. Add local
3186 variable prev. Call signal before and after simulate.
3187 (sim_stop_reason): Add simSIGINT support.
3188 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3189 functions always.
3190 (sim_warning): Delete call to SignalException. Do call printf_filtered
3191 if logfh is NULL.
3192 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3193 a call to sim_warning.
3194
3195Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3196
3197 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3198 16 bit instructions.
3199
3200Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3201
3202 Add support for mips16 (16 bit MIPS implementation):
3203 * gencode.c (inst_type): Add mips16 instruction encoding types.
3204 (GETDATASIZEINSN): Define.
3205 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3206 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3207 mtlo.
3208 (MIPS16_DECODE): New table, for mips16 instructions.
3209 (bitmap_val): New static function.
3210 (struct mips16_op): Define.
3211 (mips16_op_table): New table, for mips16 operands.
3212 (build_mips16_operands): New static function.
3213 (process_instructions): If PC is odd, decode a mips16
3214 instruction. Break out instruction handling into new
3215 build_instruction function.
3216 (build_instruction): New static function, broken out of
3217 process_instructions. Check modifiers rather than flags for SHIFT
3218 bit count and m[ft]{hi,lo} direction.
3219 (usage): Pass program name to fprintf.
3220 (main): Remove unused variable this_option_optind. Change
3221 ``*loptarg++'' to ``loptarg++''.
3222 (my_strtoul): Parenthesize && within ||.
3223 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3224 (simulate): If PC is odd, fetch a 16 bit instruction, and
3225 increment PC by 2 rather than 4.
3226 * configure.in: Add case for mips16*-*-*.
3227 * configure: Rebuild.
3228
3229Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3230
3231 * interp.c: Allow -t to enable tracing in standalone simulator.
3232 Fix garbage output in trace file and error messages.
3233
3234Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3235
3236 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3237 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3238 * configure.in: Simplify using macros in ../common/aclocal.m4.
3239 * configure: Regenerated.
3240 * tconfig.in: New file.
3241
3242Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3243
3244 * interp.c: Fix bugs in 64-bit port.
3245 Use ansi function declarations for msvc compiler.
3246 Initialize and test file pointer in trace code.
3247 Prevent duplicate definition of LAST_EMED_REGNUM.
3248
3249Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3250
3251 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3252
3253Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3254
3255 * interp.c (SignalException): Check for explicit terminating
3256 breakpoint value.
3257 * gencode.c: Pass instruction value through SignalException()
3258 calls for Trap, Breakpoint and Syscall.
3259
3260Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3261
3262 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3263 only used on those hosts that provide it.
3264 * configure.in: Add sqrt() to list of functions to be checked for.
3265 * config.in: Re-generated.
3266 * configure: Re-generated.
3267
3268Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3269
3270 * gencode.c (process_instructions): Call build_endian_shift when
3271 expanding STORE RIGHT, to fix swr.
3272 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3273 clear the high bits.
3274 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3275 Fix float to int conversions to produce signed values.
3276
3277Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3278
3279 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3280 (process_instructions): Correct handling of nor instruction.
3281 Correct shift count for 32 bit shift instructions. Correct sign
3282 extension for arithmetic shifts to not shift the number of bits in
3283 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3284 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3285 Fix madd.
3286 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3287 It's OK to have a mult follow a mult. What's not OK is to have a
3288 mult follow an mfhi.
3289 (Convert): Comment out incorrect rounding code.
3290
3291Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3292
3293 * interp.c (sim_monitor): Improved monitor printf
3294 simulation. Tidied up simulator warnings, and added "--log" option
3295 for directing warning message output.
3296 * gencode.c: Use sim_warning() rather than WARNING macro.
3297
3298Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3299
3300 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3301 getopt1.o, rather than on gencode.c. Link objects together.
3302 Don't link against -liberty.
3303 (gencode.o, getopt.o, getopt1.o): New targets.
3304 * gencode.c: Include <ctype.h> and "ansidecl.h".
3305 (AND): Undefine after including "ansidecl.h".
3306 (ULONG_MAX): Define if not defined.
3307 (OP_*): Don't define macros; now defined in opcode/mips.h.
3308 (main): Call my_strtoul rather than strtoul.
3309 (my_strtoul): New static function.
3310
3311Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3312
3313 * gencode.c (process_instructions): Generate word64 and uword64
3314 instead of `long long' and `unsigned long long' data types.
3315 * interp.c: #include sysdep.h to get signals, and define default
3316 for SIGBUS.
3317 * (Convert): Work around for Visual-C++ compiler bug with type
3318 conversion.
3319 * support.h: Make things compile under Visual-C++ by using
3320 __int64 instead of `long long'. Change many refs to long long
3321 into word64/uword64 typedefs.
3322
3323Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3324
3325 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3326 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3327 (docdir): Removed.
3328 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3329 (AC_PROG_INSTALL): Added.
3330 (AC_PROG_CC): Moved to before configure.host call.
3331 * configure: Rebuilt.
3332
3333Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3334
3335 * configure.in: Define @SIMCONF@ depending on mips target.
3336 * configure: Rebuild.
3337 * Makefile.in (run): Add @SIMCONF@ to control simulator
3338 construction.
3339 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3340 * interp.c: Remove some debugging, provide more detailed error
3341 messages, update memory accesses to use LOADDRMASK.
3342
3343Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3344
3345 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3346 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3347 stamp-h.
3348 * configure: Rebuild.
3349 * config.in: New file, generated by autoheader.
3350 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3351 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3352 HAVE_ANINT and HAVE_AINT, as appropriate.
3353 * Makefile.in (run): Use @LIBS@ rather than -lm.
3354 (interp.o): Depend upon config.h.
3355 (Makefile): Just rebuild Makefile.
3356 (clean): Remove stamp-h.
3357 (mostlyclean): Make the same as clean, not as distclean.
3358 (config.h, stamp-h): New targets.
3359
3360Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3361
3362 * interp.c (ColdReset): Fix boolean test. Make all simulator
3363 globals static.
3364
3365Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3366
3367 * interp.c (xfer_direct_word, xfer_direct_long,
3368 swap_direct_word, swap_direct_long, xfer_big_word,
3369 xfer_big_long, xfer_little_word, xfer_little_long,
3370 swap_word,swap_long): Added.
3371 * interp.c (ColdReset): Provide function indirection to
3372 host<->simulated_target transfer routines.
3373 * interp.c (sim_store_register, sim_fetch_register): Updated to
3374 make use of indirected transfer routines.
3375
3376Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3377
3378 * gencode.c (process_instructions): Ensure FP ABS instruction
3379 recognised.
3380 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3381 system call support.
3382
3383Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3384
3385 * interp.c (sim_do_command): Complain if callback structure not
3386 initialised.
3387
3388Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3389
3390 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3391 support for Sun hosts.
3392 * Makefile.in (gencode): Ensure the host compiler and libraries
3393 used for cross-hosted build.
3394
3395Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3396
3397 * interp.c, gencode.c: Some more (TODO) tidying.
3398
3399Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3400
3401 * gencode.c, interp.c: Replaced explicit long long references with
3402 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3403 * support.h (SET64LO, SET64HI): Macros added.
3404
3405Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3406
3407 * configure: Regenerate with autoconf 2.7.
3408
3409Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3410
3411 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3412 * support.h: Remove superfluous "1" from #if.
3413 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3414
3415Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3416
3417 * interp.c (StoreFPR): Control UndefinedResult() call on
3418 WARN_RESULT manifest.
3419
3420Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3421
3422 * gencode.c: Tidied instruction decoding, and added FP instruction
3423 support.
3424
3425 * interp.c: Added dineroIII, and BSD profiling support. Also
3426 run-time FP handling.
3427
3428Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3429
3430 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3431 gencode.c, interp.c, support.h: created.