(dwarf_decode_lines_1): Delete local "column", unused.
[deliverable/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
1a8a700e
MF
12014-03-04 Mike Frysinger <vapier@gentoo.org>
2
3 * configure: Regenerate.
4
bf3d9781
AM
52013-09-23 Alan Modra <amodra@gmail.com>
6
7 * configure: Regenerate.
8
31e6ad7d
MF
92013-06-03 Mike Frysinger <vapier@gentoo.org>
10
11 * aclocal.m4, configure: Regenerate.
12
d3685d60
TT
132013-05-10 Freddie Chopin <freddie_chopin@op.pl>
14
15 * configure: Rebuild.
16
1517bd27
MF
172013-03-26 Mike Frysinger <vapier@gentoo.org>
18
19 * configure: Regenerate.
20
3be31516
JS
212013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>
22
23 * configure.ac: Address use of dv-sockser.o.
24 * tconfig.in: Conditionalize use of dv_sockser_install.
25 * configure: Regenerated.
26 * config.in: Regenerated.
27
37cb8f8e
SE
282012-10-04 Chao-ying Fu <fu@mips.com>
29 Steve Ellcey <sellcey@mips.com>
30
31 * mips/mips3264r2.igen (rdhwr): New.
32
87c8644f
JS
332012-09-03 Joel Sherrill <joel.sherrill@oarcorp.com>
34
35 * configure.ac: Always link against dv-sockser.o.
36 * configure: Regenerate.
37
5f3ef9d0
JB
382012-06-15 Joel Brobecker <brobecker@adacore.com>
39
40 * config.in, configure: Regenerate.
41
a6ff997c
NC
422012-05-18 Nick Clifton <nickc@redhat.com>
43
44 PR 14072
45 * interp.c: Include config.h before system header files.
46
2232061b
MF
472012-03-24 Mike Frysinger <vapier@gentoo.org>
48
49 * aclocal.m4, config.in, configure: Regenerate.
50
db2e4d67
MF
512011-12-03 Mike Frysinger <vapier@gentoo.org>
52
53 * aclocal.m4: New file.
54 * configure: Regenerate.
55
4399a56b
MF
562011-10-19 Mike Frysinger <vapier@gentoo.org>
57
58 * configure: Regenerate after common/acinclude.m4 update.
59
9c082ca8
MF
602011-10-17 Mike Frysinger <vapier@gentoo.org>
61
62 * configure.ac: Change include to common/acinclude.m4.
63
6ffe910a
MF
642011-10-17 Mike Frysinger <vapier@gentoo.org>
65
66 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
67 call. Replace common.m4 include with SIM_AC_COMMON.
68 * configure: Regenerate.
69
31b28250
HPN
702011-07-08 Hans-Peter Nilsson <hp@axis.com>
71
3faa01e3
HPN
72 * Makefile.in ($(SIM_MULTI_OBJ)): Depend on sim-main.h
73 $(SIM_EXTRA_DEPS).
74 (tmp-mach-multi): Exit early when igen fails.
31b28250 75
2419798b
MF
762011-07-05 Mike Frysinger <vapier@gentoo.org>
77
78 * interp.c (sim_do_command): Delete.
79
d79fe0d6
MF
802011-02-14 Mike Frysinger <vapier@gentoo.org>
81
82 * dv-tx3904sio.c (tx3904sio_fifo_push): Change zfree to free.
83 (tx3904sio_fifo_reset): Likewise.
84 * interp.c (sim_monitor): Likewise.
85
5558e7e6
MF
862010-04-14 Mike Frysinger <vapier@gentoo.org>
87
88 * interp.c (sim_write): Add const to buffer arg.
89
35aafff4
JB
902010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
91
92 * interp.c: Don't include sysdep.h
93
3725885a
RW
942010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
95
96 * configure: Regenerate.
97
d6416cdc
RW
982009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
99
81ecdfbb
RW
100 * config.in: Regenerate.
101 * configure: Likewise.
102
d6416cdc
RW
103 * configure: Regenerate.
104
b5bd9624
HPN
1052008-07-11 Hans-Peter Nilsson <hp@axis.com>
106
107 * configure: Regenerate to track ../common/common.m4 changes.
108 * config.in: Ditto.
109
6efef468
JM
1102008-06-06 Vladimir Prus <vladimir@codesourcery.com>
111 Daniel Jacobowitz <dan@codesourcery.com>
112 Joseph Myers <joseph@codesourcery.com>
113
114 * configure: Regenerate.
115
60dc88db
RS
1162007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
117
118 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
119 that unconditionally allows fmt_ps.
120 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
121 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
122 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
123 filter from 64,f to 32,f.
124 (PREFX): Change filter from 64 to 32.
125 (LDXC1, LUXC1): Provide separate mips32r2 implementations
126 that use do_load_double instead of do_load. Make both LUXC1
127 versions unpredictable if SizeFGR () != 64.
128 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
129 instead of do_store. Remove unused variable. Make both SUXC1
130 versions unpredictable if SizeFGR () != 64.
131
599ca73e
RS
1322007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
133
134 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
135 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
136 shifts for that case.
137
2525df03
NC
1382007-09-04 Nick Clifton <nickc@redhat.com>
139
140 * interp.c (options enum): Add OPTION_INFO_MEMORY.
141 (display_mem_info): New static variable.
142 (mips_option_handler): Handle OPTION_INFO_MEMORY.
143 (mips_options): Add info-memory and memory-info.
144 (sim_open): After processing the command line and board
145 specification, check display_mem_info. If it is set then
146 call the real handler for the --memory-info command line
147 switch.
148
35ee6e1e
JB
1492007-08-24 Joel Brobecker <brobecker@adacore.com>
150
151 * configure.ac: Change license of multi-run.c to GPL version 3.
152 * configure: Regenerate.
153
d5fb0879
RS
1542007-06-28 Richard Sandiford <richard@codesourcery.com>
155
156 * configure.ac, configure: Revert last patch.
157
2a2ce21b
RS
1582007-06-26 Richard Sandiford <richard@codesourcery.com>
159
160 * configure.ac (sim_mipsisa3264_configs): New variable.
161 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
162 every configuration support all four targets, using the triplet to
163 determine the default.
164 * configure: Regenerate.
165
efdcccc9
RS
1662007-06-25 Richard Sandiford <richard@codesourcery.com>
167
0a7692b2 168 * Makefile.in (m16run.o): New rule.
efdcccc9 169
f532a356
TS
1702007-05-15 Thiemo Seufer <ths@mips.com>
171
172 * mips3264r2.igen (DSHD): Fix compile warning.
173
bfe9c90b
TS
1742007-05-14 Thiemo Seufer <ths@mips.com>
175
176 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
177 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
178 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
179 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
180 for mips32r2.
181
53f4826b
TS
1822007-03-01 Thiemo Seufer <ths@mips.com>
183
184 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
185 and mips64.
186
8bf3ddc8
TS
1872007-02-20 Thiemo Seufer <ths@mips.com>
188
189 * dsp.igen: Update copyright notice.
190 * dsp2.igen: Fix copyright notice.
191
8b082fb1
TS
1922007-02-20 Thiemo Seufer <ths@mips.com>
193 Chao-Ying Fu <fu@mips.com>
194
195 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
196 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
197 Add dsp2 to sim_igen_machine.
198 * configure: Regenerate.
199 * dsp.igen (do_ph_op): Add MUL support when op = 2.
200 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
201 (mulq_rs.ph): Use do_ph_mulq.
202 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
203 * mips.igen: Add dsp2 model and include dsp2.igen.
204 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
205 for *mips32r2, *mips64r2, *dsp.
206 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
207 for *mips32r2, *mips64r2, *dsp2.
208 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
209
b1004875
TS
2102007-02-19 Thiemo Seufer <ths@mips.com>
211 Nigel Stephens <nigel@mips.com>
212
213 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
214 jumps with hazard barrier.
215
f8df4c77
TS
2162007-02-19 Thiemo Seufer <ths@mips.com>
217 Nigel Stephens <nigel@mips.com>
218
219 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
220 after each call to sim_io_write.
221
b1004875 2222007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 223 Nigel Stephens <nigel@mips.com>
b1004875
TS
224
225 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
226 supported by this simulator.
07802d98
TS
227 (decode_coproc): Recognise additional CP0 Config registers
228 correctly.
229
14fb6c5a
TS
2302007-02-19 Thiemo Seufer <ths@mips.com>
231 Nigel Stephens <nigel@mips.com>
232 David Ung <davidu@mips.com>
233
234 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
235 uninterpreted formats. If fmt is one of the uninterpreted types
236 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
237 fmt_word, and fmt_uninterpreted_64 like fmt_long.
238 (store_fpr): When writing an invalid odd register, set the
239 matching even register to fmt_unknown, not the following register.
240 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
241 the the memory window at offset 0 set by --memory-size command
242 line option.
243 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
244 point register.
245 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
246 register.
247 (sim_monitor): When returning the memory size to the MIPS
248 application, use the value in STATE_MEM_SIZE, not an arbitrary
249 hardcoded value.
250 (cop_lw): Don' mess around with FPR_STATE, just pass
251 fmt_uninterpreted_32 to StoreFPR.
252 (cop_sw): Similarly.
253 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
254 (cop_sd): Similarly.
255 * mips.igen (not_word_value): Single version for mips32, mips64
256 and mips16.
257
c8847145
TS
2582007-02-19 Thiemo Seufer <ths@mips.com>
259 Nigel Stephens <nigel@mips.com>
260
261 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
262 MBytes.
263
4b5d35ee
TS
2642007-02-17 Thiemo Seufer <ths@mips.com>
265
266 * configure.ac (mips*-sde-elf*): Move in front of generic machine
267 configuration.
268 * configure: Regenerate.
269
3669427c
TS
2702007-02-17 Thiemo Seufer <ths@mips.com>
271
272 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
273 Add mdmx to sim_igen_machine.
274 (mipsisa64*-*-*): Likewise. Remove dsp.
275 (mipsisa32*-*-*): Remove dsp.
276 * configure: Regenerate.
277
109ad085
TS
2782007-02-13 Thiemo Seufer <ths@mips.com>
279
280 * configure.ac: Add mips*-sde-elf* target.
281 * configure: Regenerate.
282
921d7ad3
HPN
2832006-12-21 Hans-Peter Nilsson <hp@axis.com>
284
285 * acconfig.h: Remove.
286 * config.in, configure: Regenerate.
287
02f97da7
TS
2882006-11-07 Thiemo Seufer <ths@mips.com>
289
290 * dsp.igen (do_w_op): Fix compiler warning.
291
2d2733fc
TS
2922006-08-29 Thiemo Seufer <ths@mips.com>
293 David Ung <davidu@mips.com>
294
295 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
296 sim_igen_machine.
297 * configure: Regenerate.
298 * mips.igen (model): Add smartmips.
299 (MADDU): Increment ACX if carry.
300 (do_mult): Clear ACX.
301 (ROR,RORV): Add smartmips.
302 (include): Include smartmips.igen.
303 * sim-main.h (ACX): Set to REGISTERS[89].
304 * smartmips.igen: New file.
305
d85c3a10
TS
3062006-08-29 Thiemo Seufer <ths@mips.com>
307 David Ung <davidu@mips.com>
308
309 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
310 mips3264r2.igen. Add missing dependency rules.
311 * m16e.igen: Support for mips16e save/restore instructions.
312
e85e3205
RE
3132006-06-13 Richard Earnshaw <rearnsha@arm.com>
314
315 * configure: Regenerated.
316
2f0122dc
DJ
3172006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
318
319 * configure: Regenerated.
320
20e95c23
DJ
3212006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
322
323 * configure: Regenerated.
324
69088b17
CF
3252006-05-15 Chao-ying Fu <fu@mips.com>
326
327 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
328
0275de4e
NC
3292006-04-18 Nick Clifton <nickc@redhat.com>
330
331 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
332 statement.
333
b3a3ffef
HPN
3342006-03-29 Hans-Peter Nilsson <hp@axis.com>
335
336 * configure: Regenerate.
337
40a5538e
CF
3382005-12-14 Chao-ying Fu <fu@mips.com>
339
340 * Makefile.in (SIM_OBJS): Add dsp.o.
341 (dsp.o): New dependency.
342 (IGEN_INCLUDE): Add dsp.igen.
343 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
344 mipsisa64*-*-*): Add dsp to sim_igen_machine.
345 * configure: Regenerate.
346 * mips.igen: Add dsp model and include dsp.igen.
347 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
348 because these instructions are extended in DSP ASE.
349 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
350 adding 6 DSP accumulator registers and 1 DSP control register.
351 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
352 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
353 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
354 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
355 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
356 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
357 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
358 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
359 DSPCR_CCOND_SMASK): New define.
360 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
361 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
362
21d14896
ILT
3632005-07-08 Ian Lance Taylor <ian@airs.com>
364
365 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
366
b16d63da
DU
3672005-06-16 David Ung <davidu@mips.com>
368 Nigel Stephens <nigel@mips.com>
369
370 * mips.igen: New mips16e model and include m16e.igen.
371 (check_u64): Add mips16e tag.
372 * m16e.igen: New file for MIPS16e instructions.
373 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
374 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
375 models.
376 * configure: Regenerate.
377
e70cb6cd
CD
3782005-05-26 David Ung <davidu@mips.com>
379
380 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
381 tags to all instructions which are applicable to the new ISAs.
382 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
383 vr.igen.
384 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
385 instructions.
386 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
387 to mips.igen.
388 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
389 * configure: Regenerate.
390
2b193c4a
MK
3912005-03-23 Mark Kettenis <kettenis@gnu.org>
392
393 * configure: Regenerate.
394
35695fd6
AC
3952005-01-14 Andrew Cagney <cagney@gnu.org>
396
397 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
398 explicit call to AC_CONFIG_HEADER.
399 * configure: Regenerate.
400
f0569246
AC
4012005-01-12 Andrew Cagney <cagney@gnu.org>
402
403 * configure.ac: Update to use ../common/common.m4.
404 * configure: Re-generate.
405
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AC
4062005-01-11 Andrew Cagney <cagney@localhost.localdomain>
407
408 * configure: Regenerated to track ../common/aclocal.m4 changes.
409
b7026657
AC
4102005-01-07 Andrew Cagney <cagney@gnu.org>
411
412 * configure.ac: Rename configure.in, require autoconf 2.59.
413 * configure: Re-generate.
414
379832de
HPN
4152004-12-08 Hans-Peter Nilsson <hp@axis.com>
416
417 * configure: Regenerate for ../common/aclocal.m4 update.
418
cd62154c
AC
4192004-09-24 Monika Chaddha <monika@acmet.com>
420
421 Committed by Andrew Cagney.
422 * m16.igen (CMP, CMPI): Fix assembler.
423
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CD
4242004-08-18 Chris Demetriou <cgd@broadcom.com>
425
426 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
427 * configure: Regenerate.
428
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CD
4292004-06-25 Chris Demetriou <cgd@broadcom.com>
430
431 * configure.in (sim_m16_machine): Include mipsIII.
432 * configure: Regenerate.
433
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CD
4342004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
435
436 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
437 from COP0_BADVADDR.
438 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
439
5dbb7b5a
CD
4402004-04-10 Chris Demetriou <cgd@broadcom.com>
441
442 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
443
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CD
4442004-04-09 Chris Demetriou <cgd@broadcom.com>
445
446 * mips.igen (check_fmt): Remove.
447 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
448 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
449 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
450 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
451 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
452 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
453 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
454 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
455 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
456 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
457
c6f9085c
CD
4582004-04-09 Chris Demetriou <cgd@broadcom.com>
459
460 * sb1.igen (check_sbx): New function.
461 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
462
11d66e66 4632004-03-29 Chris Demetriou <cgd@broadcom.com>
0e1b7197
RS
464 Richard Sandiford <rsandifo@redhat.com>
465
466 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
467 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
468 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
469 separate implementations for mipsIV and mipsV. Use new macros to
470 determine whether the restrictions apply.
471
b3208fb8
CD
4722004-01-19 Chris Demetriou <cgd@broadcom.com>
473
474 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
475 (check_mult_hilo): Improve comments.
476 (check_div_hilo): Likewise. Also, fork off a new version
477 to handle mips32/mips64 (since there are no hazards to check
478 in MIPS32/MIPS64).
479
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CD
4802003-06-17 Richard Sandiford <rsandifo@redhat.com>
481
482 * mips.igen (do_dmultx): Fix check for negative operands.
483
ae451ac6
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4842003-05-16 Ian Lance Taylor <ian@airs.com>
485
486 * Makefile.in (SHELL): Make sure this is defined.
487 (various): Use $(SHELL) whenever we invoke move-if-change.
488
dd69d292
CD
4892003-05-03 Chris Demetriou <cgd@broadcom.com>
490
491 * cp1.c: Tweak attribution slightly.
492 * cp1.h: Likewise.
493 * mdmx.c: Likewise.
494 * mdmx.igen: Likewise.
495 * mips3d.igen: Likewise.
496 * sb1.igen: Likewise.
497
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CD
4982003-04-15 Richard Sandiford <rsandifo@redhat.com>
499
500 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
501 unsigned operands.
502
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5032003-02-27 Andrew Cagney <cagney@redhat.com>
504
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505 * interp.c (sim_open): Rename _bfd to bfd.
506 (sim_create_inferior): Ditto.
6b4a8935 507
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5082003-01-14 Chris Demetriou <cgd@broadcom.com>
509
510 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
511
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5122003-01-14 Chris Demetriou <cgd@broadcom.com>
513
514 * mips.igen (EI, DI): Remove.
515
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5162003-01-05 Richard Sandiford <rsandifo@redhat.com>
517
518 * Makefile.in (tmp-run-multi): Fix mips16 filter.
519
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CD
5202003-01-04 Richard Sandiford <rsandifo@redhat.com>
521 Andrew Cagney <ac131313@redhat.com>
522 Gavin Romig-Koch <gavin@redhat.com>
523 Graydon Hoare <graydon@redhat.com>
524 Aldy Hernandez <aldyh@redhat.com>
525 Dave Brolley <brolley@redhat.com>
526 Chris Demetriou <cgd@broadcom.com>
527
528 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
529 (sim_mach_default): New variable.
530 (mips64vr-*-*, mips64vrel-*-*): New configurations.
531 Add a new simulator generator, MULTI.
532 * configure: Regenerate.
533 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
534 (multi-run.o): New dependency.
535 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
536 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
537 (tmp-multi): Combine them.
538 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
539 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
540 (distclean-extra): New rule.
541 * sim-main.h: Include bfd.h.
542 (MIPS_MACH): New macro.
543 * mips.igen (vr4120, vr5400, vr5500): New models.
544 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
545 * vr.igen: Replace with new version.
546
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5472003-01-04 Chris Demetriou <cgd@broadcom.com>
548
549 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
550 * configure: Regenerate.
551
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5522002-12-31 Chris Demetriou <cgd@broadcom.com>
553
554 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
555 * mips.igen: Remove all invocations of check_branch_bug and
556 mark_branch_bug.
557
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5582002-12-16 Chris Demetriou <cgd@broadcom.com>
559
560 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
561
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5622002-07-30 Chris Demetriou <cgd@broadcom.com>
563
564 * mips.igen (do_load_double, do_store_double): New functions.
565 (LDC1, SDC1): Rename to...
566 (LDC1b, SDC1b): respectively.
567 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
568
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5692002-07-29 Michael Snyder <msnyder@redhat.com>
570
571 * cp1.c (fp_recip2): Modify initialization expression so that
572 GCC will recognize it as constant.
573
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5742002-06-18 Chris Demetriou <cgd@broadcom.com>
575
576 * mdmx.c (SD_): Delete.
577 (Unpredictable): Re-define, for now, to directly invoke
578 unpredictable_action().
579 (mdmx_acc_op): Fix error in .ob immediate handling.
580
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5812002-06-18 Andrew Cagney <cagney@redhat.com>
582
583 * interp.c (sim_firmware_command): Initialize `address'.
584
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5852002-06-16 Andrew Cagney <ac131313@redhat.com>
586
587 * configure: Regenerated to track ../common/aclocal.m4 changes.
588
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5892002-06-14 Chris Demetriou <cgd@broadcom.com>
590 Ed Satterthwaite <ehs@broadcom.com>
591
592 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
593 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
594 * mips.igen: Include mips3d.igen.
595 (mips3d): New model name for MIPS-3D ASE instructions.
596 (CVT.W.fmt): Don't use this instruction for word (source) format
597 instructions.
598 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
599 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
600 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
601 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
602 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
603 (RSquareRoot1, RSquareRoot2): New macros.
604 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
605 (fp_rsqrt2): New functions.
606 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
607 * configure: Regenerate.
608
3a2b820e 6092002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 610 Ed Satterthwaite <ehs@broadcom.com>
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611
612 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
613 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
614 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
615 (convert): Note that this function is not used for paired-single
616 format conversions.
617 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
618 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
619 (check_fmt_p): Enable paired-single support.
620 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
621 (PUU.PS): New instructions.
622 (CVT.S.fmt): Don't use this instruction for paired-single format
623 destinations.
624 * sim-main.h (FP_formats): New value 'fmt_ps.'
625 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
626 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
627
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6282002-06-12 Chris Demetriou <cgd@broadcom.com>
629
630 * mips.igen: Fix formatting of function calls in
631 many FP operations.
632
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6332002-06-12 Chris Demetriou <cgd@broadcom.com>
634
635 * mips.igen (MOVN, MOVZ): Trace result.
636 (TNEI): Print "tnei" as the opcode name in traces.
637 (CEIL.W): Add disassembly string for traces.
638 (RSQRT.fmt): Make location of disassembly string consistent
639 with other instructions.
640
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6412002-06-12 Chris Demetriou <cgd@broadcom.com>
642
643 * mips.igen (X): Delete unused function.
644
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6452002-06-08 Andrew Cagney <cagney@redhat.com>
646
647 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
648
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6492002-06-07 Chris Demetriou <cgd@broadcom.com>
650 Ed Satterthwaite <ehs@broadcom.com>
651
652 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
653 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
654 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
655 (fp_nmsub): New prototypes.
656 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
657 (NegMultiplySub): New defines.
658 * mips.igen (RSQRT.fmt): Use RSquareRoot().
659 (MADD.D, MADD.S): Replace with...
660 (MADD.fmt): New instruction.
661 (MSUB.D, MSUB.S): Replace with...
662 (MSUB.fmt): New instruction.
663 (NMADD.D, NMADD.S): Replace with...
664 (NMADD.fmt): New instruction.
665 (NMSUB.D, MSUB.S): Replace with...
666 (NMSUB.fmt): New instruction.
667
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6682002-06-07 Chris Demetriou <cgd@broadcom.com>
669 Ed Satterthwaite <ehs@broadcom.com>
670
671 * cp1.c: Fix more comment spelling and formatting.
672 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
673 (denorm_mode): New function.
674 (fpu_unary, fpu_binary): Round results after operation, collect
675 status from rounding operations, and update the FCSR.
676 (convert): Collect status from integer conversions and rounding
677 operations, and update the FCSR. Adjust NaN values that result
678 from conversions. Convert to use sim_io_eprintf rather than
679 fprintf, and remove some debugging code.
680 * cp1.h (fenr_FS): New define.
681
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6822002-06-07 Chris Demetriou <cgd@broadcom.com>
683
684 * cp1.c (convert): Remove unusable debugging code, and move MIPS
685 rounding mode to sim FP rounding mode flag conversion code into...
686 (rounding_mode): New function.
687
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6882002-06-07 Chris Demetriou <cgd@broadcom.com>
689
690 * cp1.c: Clean up formatting of a few comments.
691 (value_fpr): Reformat switch statement.
692
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6932002-06-06 Chris Demetriou <cgd@broadcom.com>
694 Ed Satterthwaite <ehs@broadcom.com>
695
696 * cp1.h: New file.
697 * sim-main.h: Include cp1.h.
698 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
699 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
700 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
701 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
702 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
703 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
704 * cp1.c: Don't include sim-fpu.h; already included by
705 sim-main.h. Clean up formatting of some comments.
706 (NaN, Equal, Less): Remove.
707 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
708 (fp_cmp): New functions.
709 * mips.igen (do_c_cond_fmt): Remove.
710 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
711 Compare. Add result tracing.
712 (CxC1): Remove, replace with...
713 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
714 (DMxC1): Remove, replace with...
715 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
716 (MxC1): Remove, replace with...
717 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
718
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7192002-06-04 Chris Demetriou <cgd@broadcom.com>
720
721 * sim-main.h (FGRIDX): Remove, replace all uses with...
722 (FGR_BASE): New macro.
723 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
724 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
725 (NR_FGR, FGR): Likewise.
726 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
727 * mips.igen: Likewise.
728
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7292002-06-04 Chris Demetriou <cgd@broadcom.com>
730
731 * cp1.c: Add an FSF Copyright notice to this file.
732
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7332002-06-04 Chris Demetriou <cgd@broadcom.com>
734 Ed Satterthwaite <ehs@broadcom.com>
735
736 * cp1.c (Infinity): Remove.
737 * sim-main.h (Infinity): Likewise.
738
739 * cp1.c (fp_unary, fp_binary): New functions.
740 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
741 (fp_sqrt): New functions, implemented in terms of the above.
742 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
743 (Recip, SquareRoot): Remove (replaced by functions above).
744 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
745 (fp_recip, fp_sqrt): New prototypes.
746 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
747 (Recip, SquareRoot): Replace prototypes with #defines which
748 invoke the functions above.
749
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7502002-06-03 Chris Demetriou <cgd@broadcom.com>
751
752 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
753 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
754 file, remove PARAMS from prototypes.
755 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
756 simulator state arguments.
757 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
758 pass simulator state arguments.
759 * cp1.c (SD): Redefine as CPU_STATE(cpu).
760 (store_fpr, convert): Remove 'sd' argument.
761 (value_fpr): Likewise. Convert to use 'SD' instead.
762
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7632002-06-03 Chris Demetriou <cgd@broadcom.com>
764
765 * cp1.c (Min, Max): Remove #if 0'd functions.
766 * sim-main.h (Min, Max): Remove.
767
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7682002-06-03 Chris Demetriou <cgd@broadcom.com>
769
770 * cp1.c: fix formatting of switch case and default labels.
771 * interp.c: Likewise.
772 * sim-main.c: Likewise.
773
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7742002-06-03 Chris Demetriou <cgd@broadcom.com>
775
776 * cp1.c: Clean up comments which describe FP formats.
777 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
778
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7792002-06-03 Chris Demetriou <cgd@broadcom.com>
780 Ed Satterthwaite <ehs@broadcom.com>
781
782 * configure.in (mipsisa64sb1*-*-*): New target for supporting
783 Broadcom SiByte SB-1 processor configurations.
784 * configure: Regenerate.
785 * sb1.igen: New file.
786 * mips.igen: Include sb1.igen.
787 (sb1): New model.
788 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
789 * mdmx.igen: Add "sb1" model to all appropriate functions and
790 instructions.
791 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
792 (ob_func, ob_acc): Reference the above.
793 (qh_acc): Adjust to keep the same size as ob_acc.
794 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
795 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
796
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7972002-06-03 Chris Demetriou <cgd@broadcom.com>
798
799 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
800
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8012002-06-02 Chris Demetriou <cgd@broadcom.com>
802 Ed Satterthwaite <ehs@broadcom.com>
803
804 * mips.igen (mdmx): New (pseudo-)model.
805 * mdmx.c, mdmx.igen: New files.
806 * Makefile.in (SIM_OBJS): Add mdmx.o.
807 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
808 New typedefs.
809 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
810 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
811 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
812 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
813 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
814 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
815 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
816 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
817 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
818 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
819 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
820 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
821 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
822 (qh_fmtsel): New macros.
823 (_sim_cpu): New member "acc".
824 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
825 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
826
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8272002-05-01 Chris Demetriou <cgd@broadcom.com>
828
829 * interp.c: Use 'deprecated' rather than 'depreciated.'
830 * sim-main.h: Likewise.
831
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8322002-05-01 Chris Demetriou <cgd@broadcom.com>
833
834 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
835 which wouldn't compile anyway.
836 * sim-main.h (unpredictable_action): New function prototype.
837 (Unpredictable): Define to call igen function unpredictable().
838 (NotWordValue): New macro to call igen function not_word_value().
839 (UndefinedResult): Remove.
840 * interp.c (undefined_result): Remove.
841 (unpredictable_action): New function.
842 * mips.igen (not_word_value, unpredictable): New functions.
843 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
844 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
845 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
846 NotWordValue() to check for unpredictable inputs, then
847 Unpredictable() to handle them.
848
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8492002-02-24 Chris Demetriou <cgd@broadcom.com>
850
851 * mips.igen: Fix formatting of calls to Unpredictable().
852
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8532002-04-20 Andrew Cagney <ac131313@redhat.com>
854
855 * interp.c (sim_open): Revert previous change.
856
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8572002-04-18 Alexandre Oliva <aoliva@redhat.com>
858
859 * interp.c (sim_open): Disable chunk of code that wrote code in
860 vector table entries.
861
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8622002-03-19 Chris Demetriou <cgd@broadcom.com>
863
864 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
865 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
866 unused definitions.
867
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8682002-03-19 Chris Demetriou <cgd@broadcom.com>
869
870 * cp1.c: Fix many formatting issues.
871
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8722002-03-19 Chris G. Demetriou <cgd@broadcom.com>
873
874 * cp1.c (fpu_format_name): New function to replace...
875 (DOFMT): This. Delete, and update all callers.
876 (fpu_rounding_mode_name): New function to replace...
877 (RMMODE): This. Delete, and update all callers.
878
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8792002-03-19 Chris G. Demetriou <cgd@broadcom.com>
880
881 * interp.c: Move FPU support routines from here to...
882 * cp1.c: Here. New file.
883 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
884 (cp1.o): New target.
885
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8862002-03-12 Chris Demetriou <cgd@broadcom.com>
887
888 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
889 * mips.igen (mips32, mips64): New models, add to all instructions
890 and functions as appropriate.
891 (loadstore_ea, check_u64): New variant for model mips64.
892 (check_fmt_p): New variant for models mipsV and mips64, remove
893 mipsV model marking fro other variant.
894 (SLL) Rename to...
895 (SLLa) this.
896 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
897 for mips32 and mips64.
898 (DCLO, DCLZ): New instructions for mips64.
899
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9002002-03-07 Chris Demetriou <cgd@broadcom.com>
901
902 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
903 immediate or code as a hex value with the "%#lx" format.
904 (ANDI): Likewise, and fix printed instruction name.
905
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9062002-03-05 Chris Demetriou <cgd@broadcom.com>
907
908 * sim-main.h (UndefinedResult, Unpredictable): New macros
909 which currently do nothing.
910
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9112002-03-05 Chris Demetriou <cgd@broadcom.com>
912
913 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
914 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
915 (status_CU3): New definitions.
916
917 * sim-main.h (ExceptionCause): Add new values for MIPS32
918 and MIPS64: MDMX, MCheck, CacheErr. Update comments
919 for DebugBreakPoint and NMIReset to note their status in
920 MIPS32 and MIPS64.
921 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
922 (SignalExceptionCacheErr): New exception macros.
923
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9242002-03-05 Chris Demetriou <cgd@broadcom.com>
925
926 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
927 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
928 is always enabled.
929 (SignalExceptionCoProcessorUnusable): Take as argument the
930 unusable coprocessor number.
931
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9322002-03-05 Chris Demetriou <cgd@broadcom.com>
933
934 * mips.igen: Fix formatting of all SignalException calls.
935
97a88e93 9362002-03-05 Chris Demetriou <cgd@broadcom.com>
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937
938 * sim-main.h (SIGNEXTEND): Remove.
939
97a88e93 9402002-03-04 Chris Demetriou <cgd@broadcom.com>
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941
942 * mips.igen: Remove gencode comment from top of file, fix
943 spelling in another comment.
944
97a88e93 9452002-03-04 Chris Demetriou <cgd@broadcom.com>
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946
947 * mips.igen (check_fmt, check_fmt_p): New functions to check
948 whether specific floating point formats are usable.
949 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
950 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
951 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
952 Use the new functions.
953 (do_c_cond_fmt): Remove format checks...
954 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
955
97a88e93 9562002-03-03 Chris Demetriou <cgd@broadcom.com>
9b17d183
CD
957
958 * mips.igen: Fix formatting of check_fpu calls.
959
41774c9d
CD
9602002-03-03 Chris Demetriou <cgd@broadcom.com>
961
962 * mips.igen (FLOOR.L.fmt): Store correct destination register.
963
4a0bd876
CD
9642002-03-03 Chris Demetriou <cgd@broadcom.com>
965
966 * mips.igen: Remove whitespace at end of lines.
967
09297648
CD
9682002-03-02 Chris Demetriou <cgd@broadcom.com>
969
970 * mips.igen (loadstore_ea): New function to do effective
971 address calculations.
972 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
973 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
974 CACHE): Use loadstore_ea to do effective address computations.
975
043b7057
CD
9762002-03-02 Chris Demetriou <cgd@broadcom.com>
977
978 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
979 * mips.igen (LL, CxC1, MxC1): Likewise.
980
c1e8ada4
CD
9812002-03-02 Chris Demetriou <cgd@broadcom.com>
982
983 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
984 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
985 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
986 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
987 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
988 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
989 Don't split opcode fields by hand, use the opcode field values
990 provided by igen.
991
3e1dca16
CD
9922002-03-01 Chris Demetriou <cgd@broadcom.com>
993
994 * mips.igen (do_divu): Fix spacing.
995
996 * mips.igen (do_dsllv): Move to be right before DSLLV,
997 to match the rest of the do_<shift> functions.
998
fff8d27d
CD
9992002-03-01 Chris Demetriou <cgd@broadcom.com>
1000
1001 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
1002 DSRL32, do_dsrlv): Trace inputs and results.
1003
0d3e762b
CD
10042002-03-01 Chris Demetriou <cgd@broadcom.com>
1005
1006 * mips.igen (CACHE): Provide instruction-printing string.
1007
1008 * interp.c (signal_exception): Comment tokens after #endif.
1009
eb5fcf93
CD
10102002-02-28 Chris Demetriou <cgd@broadcom.com>
1011
1012 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
1013 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
1014 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
1015 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
1016 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
1017 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
1018 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
1019 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
1020
bb22bd7d
CD
10212002-02-28 Chris Demetriou <cgd@broadcom.com>
1022
1023 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
1024 instruction-printing string.
1025 (LWU): Use '64' as the filter flag.
1026
91a177cf
CD
10272002-02-28 Chris Demetriou <cgd@broadcom.com>
1028
1029 * mips.igen (SDXC1): Fix instruction-printing string.
1030
387f484a
CD
10312002-02-28 Chris Demetriou <cgd@broadcom.com>
1032
1033 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
1034 filter flags "32,f".
1035
3d81f391
CD
10362002-02-27 Chris Demetriou <cgd@broadcom.com>
1037
1038 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
1039 as the filter flag.
1040
af5107af
CD
10412002-02-27 Chris Demetriou <cgd@broadcom.com>
1042
1043 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
1044 add a comma) so that it more closely match the MIPS ISA
1045 documentation opcode partitioning.
1046 (PREF): Put useful names on opcode fields, and include
1047 instruction-printing string.
1048
ca971540
CD
10492002-02-27 Chris Demetriou <cgd@broadcom.com>
1050
1051 * mips.igen (check_u64): New function which in the future will
1052 check whether 64-bit instructions are usable and signal an
1053 exception if not. Currently a no-op.
1054 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
1055 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
1056 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
1057 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
1058
1059 * mips.igen (check_fpu): New function which in the future will
1060 check whether FPU instructions are usable and signal an exception
1061 if not. Currently a no-op.
1062 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
1063 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
1064 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
1065 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
1066 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
1067 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
1068 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
1069 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
1070
1c47a468
CD
10712002-02-27 Chris Demetriou <cgd@broadcom.com>
1072
1073 * mips.igen (do_load_left, do_load_right): Move to be immediately
1074 following do_load.
1075 (do_store_left, do_store_right): Move to be immediately following
1076 do_store.
1077
603a98e7
CD
10782002-02-27 Chris Demetriou <cgd@broadcom.com>
1079
1080 * mips.igen (mipsV): New model name. Also, add it to
1081 all instructions and functions where it is appropriate.
1082
c5d00cc7
CD
10832002-02-18 Chris Demetriou <cgd@broadcom.com>
1084
1085 * mips.igen: For all functions and instructions, list model
1086 names that support that instruction one per line.
1087
074e9cb8
CD
10882002-02-11 Chris Demetriou <cgd@broadcom.com>
1089
1090 * mips.igen: Add some additional comments about supported
1091 models, and about which instructions go where.
1092 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1093 order as is used in the rest of the file.
1094
9805e229
CD
10952002-02-11 Chris Demetriou <cgd@broadcom.com>
1096
1097 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1098 indicating that ALU32_END or ALU64_END are there to check
1099 for overflow.
1100 (DADD): Likewise, but also remove previous comment about
1101 overflow checking.
1102
f701dad2
CD
11032002-02-10 Chris Demetriou <cgd@broadcom.com>
1104
1105 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1106 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1107 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1108 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1109 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1110 fields (i.e., add and move commas) so that they more closely
1111 match the MIPS ISA documentation opcode partitioning.
1112
11132002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1114
1115 * mips.igen (ADDI): Print immediate value.
1116 (BREAK): Print code.
1117 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1118 (SLL): Print "nop" specially, and don't run the code
1119 that does the shift for the "nop" case.
1120
9e52972e
FF
11212001-11-17 Fred Fish <fnf@redhat.com>
1122
1123 * sim-main.h (float_operation): Move enum declaration outside
1124 of _sim_cpu struct declaration.
1125
c0efbca4
JB
11262001-04-12 Jim Blandy <jimb@redhat.com>
1127
1128 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1129 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1130 set of the FCSR.
1131 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1132 PENDING_FILL, and you can get the intended effect gracefully by
1133 calling PENDING_SCHED directly.
1134
fb891446
BE
11352001-02-23 Ben Elliston <bje@redhat.com>
1136
1137 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1138 already defined elsewhere.
1139
8030f857
BE
11402001-02-19 Ben Elliston <bje@redhat.com>
1141
1142 * sim-main.h (sim_monitor): Return an int.
1143 * interp.c (sim_monitor): Add return values.
1144 (signal_exception): Handle error conditions from sim_monitor.
1145
56b48a7a
CD
11462001-02-08 Ben Elliston <bje@redhat.com>
1147
1148 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1149 (store_memory): Likewise, pass cia to sim_core_write*.
1150
d3ee60d9
FCE
11512000-10-19 Frank Ch. Eigler <fche@redhat.com>
1152
1153 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1154 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1155
071da002
AC
1156Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1157
1158 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1159 * Makefile.in: Don't delete *.igen when cleaning directory.
1160
a28c02cd
AC
1161Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1162
1163 * m16.igen (break): Call SignalException not sim_engine_halt.
1164
80ee11fa
AC
1165Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1166
1167 From Jason Eckhardt:
1168 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1169
673388c0
AC
1170Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1171
1172 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1173
4c0deff4
NC
11742000-05-24 Michael Hayes <mhayes@cygnus.com>
1175
1176 * mips.igen (do_dmultx): Fix typo.
1177
eb2d80b4
AC
1178Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1179
1180 * configure: Regenerated to track ../common/aclocal.m4 changes.
1181
dd37a34b
AC
1182Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1183
1184 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1185
4c0deff4
NC
11862000-04-12 Frank Ch. Eigler <fche@redhat.com>
1187
1188 * sim-main.h (GPR_CLEAR): Define macro.
1189
e30db738
AC
1190Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1191
1192 * interp.c (decode_coproc): Output long using %lx and not %s.
1193
cb7450ea
FCE
11942000-03-21 Frank Ch. Eigler <fche@redhat.com>
1195
1196 * interp.c (sim_open): Sort & extend dummy memory regions for
1197 --board=jmr3904 for eCos.
1198
a3027dd7
FCE
11992000-03-02 Frank Ch. Eigler <fche@redhat.com>
1200
1201 * configure: Regenerated.
1202
1203Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1204
1205 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1206 calls, conditional on the simulator being in verbose mode.
1207
dfcd3bfb
JM
1208Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1209
1210 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1211 cache don't get ReservedInstruction traps.
1212
c2d11a7d
JM
12131999-11-29 Mark Salter <msalter@cygnus.com>
1214
1215 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1216 to clear status bits in sdisr register. This is how the hardware works.
1217
1218 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1219 being used by cygmon.
1220
4ce44c66
JM
12211999-11-11 Andrew Haley <aph@cygnus.com>
1222
1223 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1224 instructions.
1225
cff3e48b
JM
1226Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1227
1228 * mips.igen (MULT): Correct previous mis-applied patch.
1229
d4f3574e
SS
1230Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1231
1232 * mips.igen (delayslot32): Handle sequence like
1233 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1234 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1235 (MULT): Actually pass the third register...
1236
12371999-09-03 Mark Salter <msalter@cygnus.com>
1238
1239 * interp.c (sim_open): Added more memory aliases for additional
1240 hardware being touched by cygmon on jmr3904 board.
1241
1242Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1243
1244 * configure: Regenerated to track ../common/aclocal.m4 changes.
1245
a0b3c4fd
JM
1246Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1247
1248 * interp.c (sim_store_register): Handle case where client - GDB -
1249 specifies that a 4 byte register is 8 bytes in size.
1250 (sim_fetch_register): Ditto.
1251
adf40b2e
JM
12521999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1253
1254 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1255 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1256 (idt_monitor_base): Base address for IDT monitor traps.
1257 (pmon_monitor_base): Ditto for PMON.
1258 (lsipmon_monitor_base): Ditto for LSI PMON.
1259 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1260 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1261 (sim_firmware_command): New function.
1262 (mips_option_handler): Call it for OPTION_FIRMWARE.
1263 (sim_open): Allocate memory for idt_monitor region. If "--board"
1264 option was given, add no monitor by default. Add BREAK hooks only if
1265 monitors are also there.
1266
43e526b9
JM
1267Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1268
1269 * interp.c (sim_monitor): Flush output before reading input.
1270
1271Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1272
1273 * tconfig.in (SIM_HANDLES_LMA): Always define.
1274
1275Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1276
1277 From Mark Salter <msalter@cygnus.com>:
1278 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1279 (sim_open): Add setup for BSP board.
1280
9846de1b
JM
1281Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1282
1283 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1284 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1285 them as unimplemented.
1286
cd0fc7c3
SS
12871999-05-08 Felix Lee <flee@cygnus.com>
1288
1289 * configure: Regenerated to track ../common/aclocal.m4 changes.
1290
7a292a7a
SS
12911999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1292
1293 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1294
1295Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1296
1297 * configure.in: Any mips64vr5*-*-* target should have
1298 -DTARGET_ENABLE_FR=1.
1299 (default_endian): Any mips64vr*el-*-* target should default to
1300 LITTLE_ENDIAN.
1301 * configure: Re-generate.
1302
13031999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1304
1305 * mips.igen (ldl): Extend from _16_, not 32.
1306
1307Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1308
1309 * interp.c (sim_store_register): Force registers written to by GDB
1310 into an un-interpreted state.
1311
c906108c
SS
13121999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1313
1314 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1315 CPU, start periodic background I/O polls.
1316 (tx3904sio_poll): New function: periodic I/O poller.
1317
13181998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1319
1320 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1321
1322Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1323
1324 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1325 case statement.
1326
13271998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1328
1329 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1330 (load_word): Call SIM_CORE_SIGNAL hook on error.
1331 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1332 starting. For exception dispatching, pass PC instead of NULL_CIA.
1333 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1334 * sim-main.h (COP0_BADVADDR): Define.
1335 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1336 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1337 (_sim_cpu): Add exc_* fields to store register value snapshots.
1338 * mips.igen (*): Replace memory-related SignalException* calls
1339 with references to SIM_CORE_SIGNAL hook.
1340
1341 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1342 fix.
1343 * sim-main.c (*): Minor warning cleanups.
1344
13451998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1346
1347 * m16.igen (DADDIU5): Correct type-o.
1348
1349Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1350
1351 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1352 variables.
1353
1354Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1355
1356 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1357 to include path.
1358 (interp.o): Add dependency on itable.h
1359 (oengine.c, gencode): Delete remaining references.
1360 (BUILT_SRC_FROM_GEN): Clean up.
1361
13621998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1363
1364 * vr4run.c: New.
1365 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1366 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1367 tmp-run-hack) : New.
1368 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1369 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1370 Drop the "64" qualifier to get the HACK generator working.
1371 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1372 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1373 qualifier to get the hack generator working.
1374 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1375 (DSLL): Use do_dsll.
1376 (DSLLV): Use do_dsllv.
1377 (DSRA): Use do_dsra.
1378 (DSRL): Use do_dsrl.
1379 (DSRLV): Use do_dsrlv.
1380 (BC1): Move *vr4100 to get the HACK generator working.
1381 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1382 get the HACK generator working.
1383 (MACC) Rename to get the HACK generator working.
1384 (DMACC,MACCS,DMACCS): Add the 64.
1385
13861998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1387
1388 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1389 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1390
13911998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1392
1393 * mips/interp.c (DEBUG): Cleanups.
1394
13951998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1396
1397 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1398 (tx3904sio_tickle): fflush after a stdout character output.
1399
14001998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1401
1402 * interp.c (sim_close): Uninstall modules.
1403
1404Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1405
1406 * sim-main.h, interp.c (sim_monitor): Change to global
1407 function.
1408
1409Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1410
1411 * configure.in (vr4100): Only include vr4100 instructions in
1412 simulator.
1413 * configure: Re-generate.
1414 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1415
1416Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1417
1418 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1419 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1420 true alternative.
1421
1422 * configure.in (sim_default_gen, sim_use_gen): Replace with
1423 sim_gen.
1424 (--enable-sim-igen): Delete config option. Always using IGEN.
1425 * configure: Re-generate.
1426
1427 * Makefile.in (gencode): Kill, kill, kill.
1428 * gencode.c: Ditto.
1429
1430Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1431
1432 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1433 bit mips16 igen simulator.
1434 * configure: Re-generate.
1435
1436 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1437 as part of vr4100 ISA.
1438 * vr.igen: Mark all instructions as 64 bit only.
1439
1440Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1441
1442 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1443 Pacify GCC.
1444
1445Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1446
1447 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1448 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1449 * configure: Re-generate.
1450
1451 * m16.igen (BREAK): Define breakpoint instruction.
1452 (JALX32): Mark instruction as mips16 and not r3900.
1453 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1454
1455 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1456
1457Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1458
1459 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1460 insn as a debug breakpoint.
1461
1462 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1463 pending.slot_size.
1464 (PENDING_SCHED): Clean up trace statement.
1465 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1466 (PENDING_FILL): Delay write by only one cycle.
1467 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1468
1469 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1470 of pending writes.
1471 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1472 32 & 64.
1473 (pending_tick): Move incrementing of index to FOR statement.
1474 (pending_tick): Only update PENDING_OUT after a write has occured.
1475
1476 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1477 build simulator.
1478 * configure: Re-generate.
1479
1480 * interp.c (sim_engine_run OLD): Delete explicit call to
1481 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1482
1483Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1484
1485 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1486 interrupt level number to match changed SignalExceptionInterrupt
1487 macro.
1488
1489Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1490
1491 * interp.c: #include "itable.h" if WITH_IGEN.
1492 (get_insn_name): New function.
1493 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1494 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1495
1496Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1497
1498 * configure: Rebuilt to inhale new common/aclocal.m4.
1499
1500Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1501
1502 * dv-tx3904sio.c: Include sim-assert.h.
1503
1504Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1505
1506 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1507 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1508 Reorganize target-specific sim-hardware checks.
1509 * configure: rebuilt.
1510 * interp.c (sim_open): For tx39 target boards, set
1511 OPERATING_ENVIRONMENT, add tx3904sio devices.
1512 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1513 ROM executables. Install dv-sockser into sim-modules list.
1514
1515 * dv-tx3904irc.c: Compiler warning clean-up.
1516 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1517 frequent hw-trace messages.
1518
1519Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1520
1521 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1522
1523Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1524
1525 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1526
1527 * vr.igen: New file.
1528 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1529 * mips.igen: Define vr4100 model. Include vr.igen.
1530Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1531
1532 * mips.igen (check_mf_hilo): Correct check.
1533
1534Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1535
1536 * sim-main.h (interrupt_event): Add prototype.
1537
1538 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1539 register_ptr, register_value.
1540 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1541
1542 * sim-main.h (tracefh): Make extern.
1543
1544Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1545
1546 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1547 Reduce unnecessarily high timer event frequency.
1548 * dv-tx3904cpu.c: Ditto for interrupt event.
1549
1550Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1551
1552 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1553 to allay warnings.
1554 (interrupt_event): Made non-static.
1555
1556 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1557 interchange of configuration values for external vs. internal
1558 clock dividers.
1559
1560Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1561
1562 * mips.igen (BREAK): Moved code to here for
1563 simulator-reserved break instructions.
1564 * gencode.c (build_instruction): Ditto.
1565 * interp.c (signal_exception): Code moved from here. Non-
1566 reserved instructions now use exception vector, rather
1567 than halting sim.
1568 * sim-main.h: Moved magic constants to here.
1569
1570Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1571
1572 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1573 register upon non-zero interrupt event level, clear upon zero
1574 event value.
1575 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1576 by passing zero event value.
1577 (*_io_{read,write}_buffer): Endianness fixes.
1578 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1579 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1580
1581 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1582 serial I/O and timer module at base address 0xFFFF0000.
1583
1584Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1585
1586 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1587 and BigEndianCPU.
1588
1589Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1590
1591 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1592 parts.
1593 * configure: Update.
1594
1595Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1596
1597 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1598 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1599 * configure.in: Include tx3904tmr in hw_device list.
1600 * configure: Rebuilt.
1601 * interp.c (sim_open): Instantiate three timer instances.
1602 Fix address typo of tx3904irc instance.
1603
1604Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1605
1606 * interp.c (signal_exception): SystemCall exception now uses
1607 the exception vector.
1608
1609Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1610
1611 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1612 to allay warnings.
1613
1614Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1615
1616 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1617
1618Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1619
1620 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1621
1622 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1623 sim-main.h. Declare a struct hw_descriptor instead of struct
1624 hw_device_descriptor.
1625
1626Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1627
1628 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1629 right bits and then re-align left hand bytes to correct byte
1630 lanes. Fix incorrect computation in do_store_left when loading
1631 bytes from second word.
1632
1633Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1634
1635 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1636 * interp.c (sim_open): Only create a device tree when HW is
1637 enabled.
1638
1639 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1640 * interp.c (signal_exception): Ditto.
1641
1642Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1643
1644 * gencode.c: Mark BEGEZALL as LIKELY.
1645
1646Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1647
1648 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1649 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1650
1651Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1652
1653 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1654 modules. Recognize TX39 target with "mips*tx39" pattern.
1655 * configure: Rebuilt.
1656 * sim-main.h (*): Added many macros defining bits in
1657 TX39 control registers.
1658 (SignalInterrupt): Send actual PC instead of NULL.
1659 (SignalNMIReset): New exception type.
1660 * interp.c (board): New variable for future use to identify
1661 a particular board being simulated.
1662 (mips_option_handler,mips_options): Added "--board" option.
1663 (interrupt_event): Send actual PC.
1664 (sim_open): Make memory layout conditional on board setting.
1665 (signal_exception): Initial implementation of hardware interrupt
1666 handling. Accept another break instruction variant for simulator
1667 exit.
1668 (decode_coproc): Implement RFE instruction for TX39.
1669 (mips.igen): Decode RFE instruction as such.
1670 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1671 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1672 bbegin to implement memory map.
1673 * dv-tx3904cpu.c: New file.
1674 * dv-tx3904irc.c: New file.
1675
1676Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1677
1678 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1679
1680Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1681
1682 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1683 with calls to check_div_hilo.
1684
1685Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1686
1687 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1688 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1689 Add special r3900 version of do_mult_hilo.
1690 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1691 with calls to check_mult_hilo.
1692 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1693 with calls to check_div_hilo.
1694
1695Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1696
1697 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1698 Document a replacement.
1699
1700Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1701
1702 * interp.c (sim_monitor): Make mon_printf work.
1703
1704Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1705
1706 * sim-main.h (INSN_NAME): New arg `cpu'.
1707
1708Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1709
1710 * configure: Regenerated to track ../common/aclocal.m4 changes.
1711
1712Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1713
1714 * configure: Regenerated to track ../common/aclocal.m4 changes.
1715 * config.in: Ditto.
1716
1717Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1718
1719 * acconfig.h: New file.
1720 * configure.in: Reverted change of Apr 24; use sinclude again.
1721
1722Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1723
1724 * configure: Regenerated to track ../common/aclocal.m4 changes.
1725 * config.in: Ditto.
1726
1727Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1728
1729 * configure.in: Don't call sinclude.
1730
1731Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1732
1733 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1734
1735Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1736
1737 * mips.igen (ERET): Implement.
1738
1739 * interp.c (decode_coproc): Return sign-extended EPC.
1740
1741 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1742
1743 * interp.c (signal_exception): Do not ignore Trap.
1744 (signal_exception): On TRAP, restart at exception address.
1745 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1746 (signal_exception): Update.
1747 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1748 so that TRAP instructions are caught.
1749
1750Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1751
1752 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1753 contains HI/LO access history.
1754 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1755 (HIACCESS, LOACCESS): Delete, replace with
1756 (HIHISTORY, LOHISTORY): New macros.
1757 (CHECKHILO): Delete all, moved to mips.igen
1758
1759 * gencode.c (build_instruction): Do not generate checks for
1760 correct HI/LO register usage.
1761
1762 * interp.c (old_engine_run): Delete checks for correct HI/LO
1763 register usage.
1764
1765 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1766 check_mf_cycles): New functions.
1767 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1768 do_divu, domultx, do_mult, do_multu): Use.
1769
1770 * tx.igen ("madd", "maddu"): Use.
1771
1772Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1773
1774 * mips.igen (DSRAV): Use function do_dsrav.
1775 (SRAV): Use new function do_srav.
1776
1777 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1778 (B): Sign extend 11 bit immediate.
1779 (EXT-B*): Shift 16 bit immediate left by 1.
1780 (ADDIU*): Don't sign extend immediate value.
1781
1782Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1783
1784 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1785
1786 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1787 functions.
1788
1789 * mips.igen (delayslot32, nullify_next_insn): New functions.
1790 (m16.igen): Always include.
1791 (do_*): Add more tracing.
1792
1793 * m16.igen (delayslot16): Add NIA argument, could be called by a
1794 32 bit MIPS16 instruction.
1795
1796 * interp.c (ifetch16): Move function from here.
1797 * sim-main.c (ifetch16): To here.
1798
1799 * sim-main.c (ifetch16, ifetch32): Update to match current
1800 implementations of LH, LW.
1801 (signal_exception): Don't print out incorrect hex value of illegal
1802 instruction.
1803
1804Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1805
1806 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1807 instruction.
1808
1809 * m16.igen: Implement MIPS16 instructions.
1810
1811 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1812 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1813 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1814 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1815 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1816 bodies of corresponding code from 32 bit insn to these. Also used
1817 by MIPS16 versions of functions.
1818
1819 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1820 (IMEM16): Drop NR argument from macro.
1821
1822Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1823
1824 * Makefile.in (SIM_OBJS): Add sim-main.o.
1825
1826 * sim-main.h (address_translation, load_memory, store_memory,
1827 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1828 as INLINE_SIM_MAIN.
1829 (pr_addr, pr_uword64): Declare.
1830 (sim-main.c): Include when H_REVEALS_MODULE_P.
1831
1832 * interp.c (address_translation, load_memory, store_memory,
1833 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1834 from here.
1835 * sim-main.c: To here. Fix compilation problems.
1836
1837 * configure.in: Enable inlining.
1838 * configure: Re-config.
1839
1840Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1841
1842 * configure: Regenerated to track ../common/aclocal.m4 changes.
1843
1844Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1845
1846 * mips.igen: Include tx.igen.
1847 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1848 * tx.igen: New file, contains MADD and MADDU.
1849
1850 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1851 the hardwired constant `7'.
1852 (store_memory): Ditto.
1853 (LOADDRMASK): Move definition to sim-main.h.
1854
1855 mips.igen (MTC0): Enable for r3900.
1856 (ADDU): Add trace.
1857
1858 mips.igen (do_load_byte): Delete.
1859 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1860 do_store_right): New functions.
1861 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1862
1863 configure.in: Let the tx39 use igen again.
1864 configure: Update.
1865
1866Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1867
1868 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1869 not an address sized quantity. Return zero for cache sizes.
1870
1871Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1872
1873 * mips.igen (r3900): r3900 does not support 64 bit integer
1874 operations.
1875
1876Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1877
1878 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1879 than igen one.
1880 * configure : Rebuild.
1881
1882Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1883
1884 * configure: Regenerated to track ../common/aclocal.m4 changes.
1885
1886Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1887
1888 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1889
1890Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1891
1892 * configure: Regenerated to track ../common/aclocal.m4 changes.
1893 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1894
1895Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1896
1897 * configure: Regenerated to track ../common/aclocal.m4 changes.
1898
1899Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1900
1901 * interp.c (Max, Min): Comment out functions. Not yet used.
1902
1903Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1904
1905 * configure: Regenerated to track ../common/aclocal.m4 changes.
1906
1907Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1908
1909 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1910 configurable settings for stand-alone simulator.
1911
1912 * configure.in: Added X11 search, just in case.
1913
1914 * configure: Regenerated.
1915
1916Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1917
1918 * interp.c (sim_write, sim_read, load_memory, store_memory):
1919 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1920
1921Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1922
1923 * sim-main.h (GETFCC): Return an unsigned value.
1924
1925Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1926
1927 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1928 (DADD): Result destination is RD not RT.
1929
1930Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1931
1932 * sim-main.h (HIACCESS, LOACCESS): Always define.
1933
1934 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1935
1936 * interp.c (sim_info): Delete.
1937
1938Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1939
1940 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1941 (mips_option_handler): New argument `cpu'.
1942 (sim_open): Update call to sim_add_option_table.
1943
1944Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1945
1946 * mips.igen (CxC1): Add tracing.
1947
1948Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1949
1950 * sim-main.h (Max, Min): Declare.
1951
1952 * interp.c (Max, Min): New functions.
1953
1954 * mips.igen (BC1): Add tracing.
1955
1956Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1957
1958 * interp.c Added memory map for stack in vr4100
1959
1960Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1961
1962 * interp.c (load_memory): Add missing "break"'s.
1963
1964Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1965
1966 * interp.c (sim_store_register, sim_fetch_register): Pass in
1967 length parameter. Return -1.
1968
1969Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1970
1971 * interp.c: Added hardware init hook, fixed warnings.
1972
1973Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1974
1975 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1976
1977Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1978
1979 * interp.c (ifetch16): New function.
1980
1981 * sim-main.h (IMEM32): Rename IMEM.
1982 (IMEM16_IMMED): Define.
1983 (IMEM16): Define.
1984 (DELAY_SLOT): Update.
1985
1986 * m16run.c (sim_engine_run): New file.
1987
1988 * m16.igen: All instructions except LB.
1989 (LB): Call do_load_byte.
1990 * mips.igen (do_load_byte): New function.
1991 (LB): Call do_load_byte.
1992
1993 * mips.igen: Move spec for insn bit size and high bit from here.
1994 * Makefile.in (tmp-igen, tmp-m16): To here.
1995
1996 * m16.dc: New file, decode mips16 instructions.
1997
1998 * Makefile.in (SIM_NO_ALL): Define.
1999 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
2000
2001Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
2002
2003 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
2004 point unit to 32 bit registers.
2005 * configure: Re-generate.
2006
2007Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
2008
2009 * configure.in (sim_use_gen): Make IGEN the default simulator
2010 generator for generic 32 and 64 bit mips targets.
2011 * configure: Re-generate.
2012
2013Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
2014
2015 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
2016 bitsize.
2017
2018 * interp.c (sim_fetch_register, sim_store_register): Read/write
2019 FGR from correct location.
2020 (sim_open): Set size of FGR's according to
2021 WITH_TARGET_FLOATING_POINT_BITSIZE.
2022
2023 * sim-main.h (FGR): Store floating point registers in a separate
2024 array.
2025
2026Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
2027
2028 * configure: Regenerated to track ../common/aclocal.m4 changes.
2029
2030Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
2031
2032 * interp.c (ColdReset): Call PENDING_INVALIDATE.
2033
2034 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
2035
2036 * interp.c (pending_tick): New function. Deliver pending writes.
2037
2038 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
2039 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
2040 it can handle mixed sized quantites and single bits.
2041
2042Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
2043
2044 * interp.c (oengine.h): Do not include when building with IGEN.
2045 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
2046 (sim_info): Ditto for PROCESSOR_64BIT.
2047 (sim_monitor): Replace ut_reg with unsigned_word.
2048 (*): Ditto for t_reg.
2049 (LOADDRMASK): Define.
2050 (sim_open): Remove defunct check that host FP is IEEE compliant,
2051 using software to emulate floating point.
2052 (value_fpr, ...): Always compile, was conditional on HASFPU.
2053
2054Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
2055
2056 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
2057 size.
2058
2059 * interp.c (SD, CPU): Define.
2060 (mips_option_handler): Set flags in each CPU.
2061 (interrupt_event): Assume CPU 0 is the one being iterrupted.
2062 (sim_close): Do not clear STATE, deleted anyway.
2063 (sim_write, sim_read): Assume CPU zero's vm should be used for
2064 data transfers.
2065 (sim_create_inferior): Set the PC for all processors.
2066 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
2067 argument.
2068 (mips16_entry): Pass correct nr of args to store_word, load_word.
2069 (ColdReset): Cold reset all cpu's.
2070 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
2071 (sim_monitor, load_memory, store_memory, signal_exception): Use
2072 `CPU' instead of STATE_CPU.
2073
2074
2075 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
2076 SD or CPU_.
2077
2078 * sim-main.h (signal_exception): Add sim_cpu arg.
2079 (SignalException*): Pass both SD and CPU to signal_exception.
2080 * interp.c (signal_exception): Update.
2081
2082 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
2083 Ditto
2084 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2085 address_translation): Ditto
2086 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
2087
2088Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2089
2090 * configure: Regenerated to track ../common/aclocal.m4 changes.
2091
2092Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2093
2094 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2095
2096 * mips.igen (model): Map processor names onto BFD name.
2097
2098 * sim-main.h (CPU_CIA): Delete.
2099 (SET_CIA, GET_CIA): Define
2100
2101Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2102
2103 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2104 regiser.
2105
2106 * configure.in (default_endian): Configure a big-endian simulator
2107 by default.
2108 * configure: Re-generate.
2109
2110Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2111
2112 * configure: Regenerated to track ../common/aclocal.m4 changes.
2113
2114Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2115
2116 * interp.c (sim_monitor): Handle Densan monitor outbyte
2117 and inbyte functions.
2118
21191997-12-29 Felix Lee <flee@cygnus.com>
2120
2121 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2122
2123Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2124
2125 * Makefile.in (tmp-igen): Arrange for $zero to always be
2126 reset to zero after every instruction.
2127
2128Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2129
2130 * configure: Regenerated to track ../common/aclocal.m4 changes.
2131 * config.in: Ditto.
2132
2133Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2134
2135 * mips.igen (MSUB): Fix to work like MADD.
2136 * gencode.c (MSUB): Similarly.
2137
2138Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2139
2140 * configure: Regenerated to track ../common/aclocal.m4 changes.
2141
2142Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2143
2144 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2145
2146Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2147
2148 * sim-main.h (sim-fpu.h): Include.
2149
2150 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2151 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2152 using host independant sim_fpu module.
2153
2154Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2155
2156 * interp.c (signal_exception): Report internal errors with SIGABRT
2157 not SIGQUIT.
2158
2159 * sim-main.h (C0_CONFIG): New register.
2160 (signal.h): No longer include.
2161
2162 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2163
2164Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2165
2166 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2167
2168Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2169
2170 * mips.igen: Tag vr5000 instructions.
2171 (ANDI): Was missing mipsIV model, fix assembler syntax.
2172 (do_c_cond_fmt): New function.
2173 (C.cond.fmt): Handle mips I-III which do not support CC field
2174 separatly.
2175 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2176 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2177 in IV3.2 spec.
2178 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2179 vr5000 which saves LO in a GPR separatly.
2180
2181 * configure.in (enable-sim-igen): For vr5000, select vr5000
2182 specific instructions.
2183 * configure: Re-generate.
2184
2185Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2186
2187 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2188
2189 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2190 fmt_uninterpreted_64 bit cases to switch. Convert to
2191 fmt_formatted,
2192
2193 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2194
2195 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2196 as specified in IV3.2 spec.
2197 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2198
2199Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2200
2201 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2202 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2203 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2204 PENDING_FILL versions of instructions. Simplify.
2205 (X): New function.
2206 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2207 instructions.
2208 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2209 a signed value.
2210 (MTHI, MFHI): Disable code checking HI-LO.
2211
2212 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2213 global.
2214 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2215
2216Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2217
2218 * gencode.c (build_mips16_operands): Replace IPC with cia.
2219
2220 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2221 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2222 IPC to `cia'.
2223 (UndefinedResult): Replace function with macro/function
2224 combination.
2225 (sim_engine_run): Don't save PC in IPC.
2226
2227 * sim-main.h (IPC): Delete.
2228
2229
2230 * interp.c (signal_exception, store_word, load_word,
2231 address_translation, load_memory, store_memory, cache_op,
2232 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2233 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2234 current instruction address - cia - argument.
2235 (sim_read, sim_write): Call address_translation directly.
2236 (sim_engine_run): Rename variable vaddr to cia.
2237 (signal_exception): Pass cia to sim_monitor
2238
2239 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2240 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2241 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2242
2243 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2244 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2245 SIM_ASSERT.
2246
2247 * interp.c (signal_exception): Pass restart address to
2248 sim_engine_restart.
2249
2250 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2251 idecode.o): Add dependency.
2252
2253 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2254 Delete definitions
2255 (DELAY_SLOT): Update NIA not PC with branch address.
2256 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2257
2258 * mips.igen: Use CIA not PC in branch calculations.
2259 (illegal): Call SignalException.
2260 (BEQ, ADDIU): Fix assembler.
2261
2262Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2263
2264 * m16.igen (JALX): Was missing.
2265
2266 * configure.in (enable-sim-igen): New configuration option.
2267 * configure: Re-generate.
2268
2269 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2270
2271 * interp.c (load_memory, store_memory): Delete parameter RAW.
2272 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2273 bypassing {load,store}_memory.
2274
2275 * sim-main.h (ByteSwapMem): Delete definition.
2276
2277 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2278
2279 * interp.c (sim_do_command, sim_commands): Delete mips specific
2280 commands. Handled by module sim-options.
2281
2282 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2283 (WITH_MODULO_MEMORY): Define.
2284
2285 * interp.c (sim_info): Delete code printing memory size.
2286
2287 * interp.c (mips_size): Nee sim_size, delete function.
2288 (power2): Delete.
2289 (monitor, monitor_base, monitor_size): Delete global variables.
2290 (sim_open, sim_close): Delete code creating monitor and other
2291 memory regions. Use sim-memopts module, via sim_do_commandf, to
2292 manage memory regions.
2293 (load_memory, store_memory): Use sim-core for memory model.
2294
2295 * interp.c (address_translation): Delete all memory map code
2296 except line forcing 32 bit addresses.
2297
2298Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2299
2300 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2301 trace options.
2302
2303 * interp.c (logfh, logfile): Delete globals.
2304 (sim_open, sim_close): Delete code opening & closing log file.
2305 (mips_option_handler): Delete -l and -n options.
2306 (OPTION mips_options): Ditto.
2307
2308 * interp.c (OPTION mips_options): Rename option trace to dinero.
2309 (mips_option_handler): Update.
2310
2311Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2312
2313 * interp.c (fetch_str): New function.
2314 (sim_monitor): Rewrite using sim_read & sim_write.
2315 (sim_open): Check magic number.
2316 (sim_open): Write monitor vectors into memory using sim_write.
2317 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2318 (sim_read, sim_write): Simplify - transfer data one byte at a
2319 time.
2320 (load_memory, store_memory): Clarify meaning of parameter RAW.
2321
2322 * sim-main.h (isHOST): Defete definition.
2323 (isTARGET): Mark as depreciated.
2324 (address_translation): Delete parameter HOST.
2325
2326 * interp.c (address_translation): Delete parameter HOST.
2327
2328Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2329
2330 * mips.igen:
2331
2332 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2333 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2334
2335Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2336
2337 * mips.igen: Add model filter field to records.
2338
2339Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2340
2341 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2342
2343 interp.c (sim_engine_run): Do not compile function sim_engine_run
2344 when WITH_IGEN == 1.
2345
2346 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2347 target architecture.
2348
2349 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2350 igen. Replace with configuration variables sim_igen_flags /
2351 sim_m16_flags.
2352
2353 * m16.igen: New file. Copy mips16 insns here.
2354 * mips.igen: From here.
2355
2356Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2357
2358 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2359 to top.
2360 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2361
2362Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2363
2364 * gencode.c (build_instruction): Follow sim_write's lead in using
2365 BigEndianMem instead of !ByteSwapMem.
2366
2367Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2368
2369 * configure.in (sim_gen): Dependent on target, select type of
2370 generator. Always select old style generator.
2371
2372 configure: Re-generate.
2373
2374 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2375 targets.
2376 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2377 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2378 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2379 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2380 SIM_@sim_gen@_*, set by autoconf.
2381
2382Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2383
2384 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2385
2386 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2387 CURRENT_FLOATING_POINT instead.
2388
2389 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2390 (address_translation): Raise exception InstructionFetch when
2391 translation fails and isINSTRUCTION.
2392
2393 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2394 sim_engine_run): Change type of of vaddr and paddr to
2395 address_word.
2396 (address_translation, prefetch, load_memory, store_memory,
2397 cache_op): Change type of vAddr and pAddr to address_word.
2398
2399 * gencode.c (build_instruction): Change type of vaddr and paddr to
2400 address_word.
2401
2402Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2403
2404 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2405 macro to obtain result of ALU op.
2406
2407Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2408
2409 * interp.c (sim_info): Call profile_print.
2410
2411Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2412
2413 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2414
2415 * sim-main.h (WITH_PROFILE): Do not define, defined in
2416 common/sim-config.h. Use sim-profile module.
2417 (simPROFILE): Delete defintion.
2418
2419 * interp.c (PROFILE): Delete definition.
2420 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2421 (sim_close): Delete code writing profile histogram.
2422 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2423 Delete.
2424 (sim_engine_run): Delete code profiling the PC.
2425
2426Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2427
2428 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2429
2430 * interp.c (sim_monitor): Make register pointers of type
2431 unsigned_word*.
2432
2433 * sim-main.h: Make registers of type unsigned_word not
2434 signed_word.
2435
2436Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2437
2438 * interp.c (sync_operation): Rename from SyncOperation, make
2439 global, add SD argument.
2440 (prefetch): Rename from Prefetch, make global, add SD argument.
2441 (decode_coproc): Make global.
2442
2443 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2444
2445 * gencode.c (build_instruction): Generate DecodeCoproc not
2446 decode_coproc calls.
2447
2448 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2449 (SizeFGR): Move to sim-main.h
2450 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2451 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2452 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2453 sim-main.h.
2454 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2455 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2456 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2457 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2458 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2459 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2460
2461 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2462 exception.
2463 (sim-alu.h): Include.
2464 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2465 (sim_cia): Typedef to instruction_address.
2466
2467Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2468
2469 * Makefile.in (interp.o): Rename generated file engine.c to
2470 oengine.c.
2471
2472 * interp.c: Update.
2473
2474Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2475
2476 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2477
2478Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2479
2480 * gencode.c (build_instruction): For "FPSQRT", output correct
2481 number of arguments to Recip.
2482
2483Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2484
2485 * Makefile.in (interp.o): Depends on sim-main.h
2486
2487 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2488
2489 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2490 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2491 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2492 STATE, DSSTATE): Define
2493 (GPR, FGRIDX, ..): Define.
2494
2495 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2496 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2497 (GPR, FGRIDX, ...): Delete macros.
2498
2499 * interp.c: Update names to match defines from sim-main.h
2500
2501Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2502
2503 * interp.c (sim_monitor): Add SD argument.
2504 (sim_warning): Delete. Replace calls with calls to
2505 sim_io_eprintf.
2506 (sim_error): Delete. Replace calls with sim_io_error.
2507 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2508 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2509 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2510 argument.
2511 (mips_size): Rename from sim_size. Add SD argument.
2512
2513 * interp.c (simulator): Delete global variable.
2514 (callback): Delete global variable.
2515 (mips_option_handler, sim_open, sim_write, sim_read,
2516 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2517 sim_size,sim_monitor): Use sim_io_* not callback->*.
2518 (sim_open): ZALLOC simulator struct.
2519 (PROFILE): Do not define.
2520
2521Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2522
2523 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2524 support.h with corresponding code.
2525
2526 * sim-main.h (word64, uword64), support.h: Move definition to
2527 sim-main.h.
2528 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2529
2530 * support.h: Delete
2531 * Makefile.in: Update dependencies
2532 * interp.c: Do not include.
2533
2534Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2535
2536 * interp.c (address_translation, load_memory, store_memory,
2537 cache_op): Rename to from AddressTranslation et.al., make global,
2538 add SD argument
2539
2540 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2541 CacheOp): Define.
2542
2543 * interp.c (SignalException): Rename to signal_exception, make
2544 global.
2545
2546 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2547
2548 * sim-main.h (SignalException, SignalExceptionInterrupt,
2549 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2550 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2551 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2552 Define.
2553
2554 * interp.c, support.h: Use.
2555
2556Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2557
2558 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2559 to value_fpr / store_fpr. Add SD argument.
2560 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2561 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2562
2563 * sim-main.h (ValueFPR, StoreFPR): Define.
2564
2565Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2566
2567 * interp.c (sim_engine_run): Check consistency between configure
2568 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2569 and HASFPU.
2570
2571 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2572 (mips_fpu): Configure WITH_FLOATING_POINT.
2573 (mips_endian): Configure WITH_TARGET_ENDIAN.
2574 * configure: Update.
2575
2576Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2577
2578 * configure: Regenerated to track ../common/aclocal.m4 changes.
2579
2580Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2581
2582 * configure: Regenerated.
2583
2584Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2585
2586 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2587
2588Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2589
2590 * gencode.c (print_igen_insn_models): Assume certain architectures
2591 include all mips* instructions.
2592 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2593 instruction.
2594
2595 * Makefile.in (tmp.igen): Add target. Generate igen input from
2596 gencode file.
2597
2598 * gencode.c (FEATURE_IGEN): Define.
2599 (main): Add --igen option. Generate output in igen format.
2600 (process_instructions): Format output according to igen option.
2601 (print_igen_insn_format): New function.
2602 (print_igen_insn_models): New function.
2603 (process_instructions): Only issue warnings and ignore
2604 instructions when no FEATURE_IGEN.
2605
2606Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2607
2608 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2609 MIPS targets.
2610
2611Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2612
2613 * configure: Regenerated to track ../common/aclocal.m4 changes.
2614
2615Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2616
2617 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2618 SIM_RESERVED_BITS): Delete, moved to common.
2619 (SIM_EXTRA_CFLAGS): Update.
2620
2621Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2622
2623 * configure.in: Configure non-strict memory alignment.
2624 * configure: Regenerated to track ../common/aclocal.m4 changes.
2625
2626Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2627
2628 * configure: Regenerated to track ../common/aclocal.m4 changes.
2629
2630Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2631
2632 * gencode.c (SDBBP,DERET): Added (3900) insns.
2633 (RFE): Turn on for 3900.
2634 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2635 (dsstate): Made global.
2636 (SUBTARGET_R3900): Added.
2637 (CANCELDELAYSLOT): New.
2638 (SignalException): Ignore SystemCall rather than ignore and
2639 terminate. Add DebugBreakPoint handling.
2640 (decode_coproc): New insns RFE, DERET; and new registers Debug
2641 and DEPC protected by SUBTARGET_R3900.
2642 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2643 bits explicitly.
2644 * Makefile.in,configure.in: Add mips subtarget option.
2645 * configure: Update.
2646
2647Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2648
2649 * gencode.c: Add r3900 (tx39).
2650
2651
2652Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2653
2654 * gencode.c (build_instruction): Don't need to subtract 4 for
2655 JALR, just 2.
2656
2657Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2658
2659 * interp.c: Correct some HASFPU problems.
2660
2661Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2662
2663 * configure: Regenerated to track ../common/aclocal.m4 changes.
2664
2665Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2666
2667 * interp.c (mips_options): Fix samples option short form, should
2668 be `x'.
2669
2670Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2671
2672 * interp.c (sim_info): Enable info code. Was just returning.
2673
2674Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2675
2676 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2677 MFC0.
2678
2679Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2680
2681 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2682 constants.
2683 (build_instruction): Ditto for LL.
2684
2685Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2686
2687 * configure: Regenerated to track ../common/aclocal.m4 changes.
2688
2689Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2690
2691 * configure: Regenerated to track ../common/aclocal.m4 changes.
2692 * config.in: Ditto.
2693
2694Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2695
2696 * interp.c (sim_open): Add call to sim_analyze_program, update
2697 call to sim_config.
2698
2699Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2700
2701 * interp.c (sim_kill): Delete.
2702 (sim_create_inferior): Add ABFD argument. Set PC from same.
2703 (sim_load): Move code initializing trap handlers from here.
2704 (sim_open): To here.
2705 (sim_load): Delete, use sim-hload.c.
2706
2707 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2708
2709Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2710
2711 * configure: Regenerated to track ../common/aclocal.m4 changes.
2712 * config.in: Ditto.
2713
2714Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2715
2716 * interp.c (sim_open): Add ABFD argument.
2717 (sim_load): Move call to sim_config from here.
2718 (sim_open): To here. Check return status.
2719
2720Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2721
2722 * gencode.c (build_instruction): Two arg MADD should
2723 not assign result to $0.
2724
2725Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2726
2727 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2728 * sim/mips/configure.in: Regenerate.
2729
2730Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2731
2732 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2733 signed8, unsigned8 et.al. types.
2734
2735 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2736 hosts when selecting subreg.
2737
2738Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2739
2740 * interp.c (sim_engine_run): Reset the ZERO register to zero
2741 regardless of FEATURE_WARN_ZERO.
2742 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2743
2744Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2745
2746 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2747 (SignalException): For BreakPoints ignore any mode bits and just
2748 save the PC.
2749 (SignalException): Always set the CAUSE register.
2750
2751Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2752
2753 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2754 exception has been taken.
2755
2756 * interp.c: Implement the ERET and mt/f sr instructions.
2757
2758Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2759
2760 * interp.c (SignalException): Don't bother restarting an
2761 interrupt.
2762
2763Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2764
2765 * interp.c (SignalException): Really take an interrupt.
2766 (interrupt_event): Only deliver interrupts when enabled.
2767
2768Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2769
2770 * interp.c (sim_info): Only print info when verbose.
2771 (sim_info) Use sim_io_printf for output.
2772
2773Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2774
2775 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2776 mips architectures.
2777
2778Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2779
2780 * interp.c (sim_do_command): Check for common commands if a
2781 simulator specific command fails.
2782
2783Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2784
2785 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2786 and simBE when DEBUG is defined.
2787
2788Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2789
2790 * interp.c (interrupt_event): New function. Pass exception event
2791 onto exception handler.
2792
2793 * configure.in: Check for stdlib.h.
2794 * configure: Regenerate.
2795
2796 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2797 variable declaration.
2798 (build_instruction): Initialize memval1.
2799 (build_instruction): Add UNUSED attribute to byte, bigend,
2800 reverse.
2801 (build_operands): Ditto.
2802
2803 * interp.c: Fix GCC warnings.
2804 (sim_get_quit_code): Delete.
2805
2806 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2807 * Makefile.in: Ditto.
2808 * configure: Re-generate.
2809
2810 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2811
2812Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2813
2814 * interp.c (mips_option_handler): New function parse argumes using
2815 sim-options.
2816 (myname): Replace with STATE_MY_NAME.
2817 (sim_open): Delete check for host endianness - performed by
2818 sim_config.
2819 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2820 (sim_open): Move much of the initialization from here.
2821 (sim_load): To here. After the image has been loaded and
2822 endianness set.
2823 (sim_open): Move ColdReset from here.
2824 (sim_create_inferior): To here.
2825 (sim_open): Make FP check less dependant on host endianness.
2826
2827 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2828 run.
2829 * interp.c (sim_set_callbacks): Delete.
2830
2831 * interp.c (membank, membank_base, membank_size): Replace with
2832 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2833 (sim_open): Remove call to callback->init. gdb/run do this.
2834
2835 * interp.c: Update
2836
2837 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2838
2839 * interp.c (big_endian_p): Delete, replaced by
2840 current_target_byte_order.
2841
2842Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2843
2844 * interp.c (host_read_long, host_read_word, host_swap_word,
2845 host_swap_long): Delete. Using common sim-endian.
2846 (sim_fetch_register, sim_store_register): Use H2T.
2847 (pipeline_ticks): Delete. Handled by sim-events.
2848 (sim_info): Update.
2849 (sim_engine_run): Update.
2850
2851Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2852
2853 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2854 reason from here.
2855 (SignalException): To here. Signal using sim_engine_halt.
2856 (sim_stop_reason): Delete, moved to common.
2857
2858Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2859
2860 * interp.c (sim_open): Add callback argument.
2861 (sim_set_callbacks): Delete SIM_DESC argument.
2862 (sim_size): Ditto.
2863
2864Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2865
2866 * Makefile.in (SIM_OBJS): Add common modules.
2867
2868 * interp.c (sim_set_callbacks): Also set SD callback.
2869 (set_endianness, xfer_*, swap_*): Delete.
2870 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2871 Change to functions using sim-endian macros.
2872 (control_c, sim_stop): Delete, use common version.
2873 (simulate): Convert into.
2874 (sim_engine_run): This function.
2875 (sim_resume): Delete.
2876
2877 * interp.c (simulation): New variable - the simulator object.
2878 (sim_kind): Delete global - merged into simulation.
2879 (sim_load): Cleanup. Move PC assignment from here.
2880 (sim_create_inferior): To here.
2881
2882 * sim-main.h: New file.
2883 * interp.c (sim-main.h): Include.
2884
2885Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2886
2887 * configure: Regenerated to track ../common/aclocal.m4 changes.
2888
2889Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2890
2891 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2892
2893Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2894
2895 * gencode.c (build_instruction): DIV instructions: check
2896 for division by zero and integer overflow before using
2897 host's division operation.
2898
2899Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2900
2901 * Makefile.in (SIM_OBJS): Add sim-load.o.
2902 * interp.c: #include bfd.h.
2903 (target_byte_order): Delete.
2904 (sim_kind, myname, big_endian_p): New static locals.
2905 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2906 after argument parsing. Recognize -E arg, set endianness accordingly.
2907 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2908 load file into simulator. Set PC from bfd.
2909 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2910 (set_endianness): Use big_endian_p instead of target_byte_order.
2911
2912Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2913
2914 * interp.c (sim_size): Delete prototype - conflicts with
2915 definition in remote-sim.h. Correct definition.
2916
2917Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2918
2919 * configure: Regenerated to track ../common/aclocal.m4 changes.
2920 * config.in: Ditto.
2921
2922Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2923
2924 * interp.c (sim_open): New arg `kind'.
2925
2926 * configure: Regenerated to track ../common/aclocal.m4 changes.
2927
2928Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2929
2930 * configure: Regenerated to track ../common/aclocal.m4 changes.
2931
2932Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2933
2934 * interp.c (sim_open): Set optind to 0 before calling getopt.
2935
2936Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2937
2938 * configure: Regenerated to track ../common/aclocal.m4 changes.
2939
2940Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2941
2942 * interp.c : Replace uses of pr_addr with pr_uword64
2943 where the bit length is always 64 independent of SIM_ADDR.
2944 (pr_uword64) : added.
2945
2946Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2947
2948 * configure: Re-generate.
2949
2950Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2951
2952 * configure: Regenerate to track ../common/aclocal.m4 changes.
2953
2954Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2955
2956 * interp.c (sim_open): New SIM_DESC result. Argument is now
2957 in argv form.
2958 (other sim_*): New SIM_DESC argument.
2959
2960Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2961
2962 * interp.c: Fix printing of addresses for non-64-bit targets.
2963 (pr_addr): Add function to print address based on size.
2964
2965Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2966
2967 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2968
2969Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2970
2971 * gencode.c (build_mips16_operands): Correct computation of base
2972 address for extended PC relative instruction.
2973
2974Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2975
2976 * interp.c (mips16_entry): Add support for floating point cases.
2977 (SignalException): Pass floating point cases to mips16_entry.
2978 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2979 registers.
2980 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2981 or fmt_word.
2982 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2983 and then set the state to fmt_uninterpreted.
2984 (COP_SW): Temporarily set the state to fmt_word while calling
2985 ValueFPR.
2986
2987Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2988
2989 * gencode.c (build_instruction): The high order may be set in the
2990 comparison flags at any ISA level, not just ISA 4.
2991
2992Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2993
2994 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2995 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2996 * configure.in: sinclude ../common/aclocal.m4.
2997 * configure: Regenerated.
2998
2999Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
3000
3001 * configure: Rebuild after change to aclocal.m4.
3002
3003Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
3004
3005 * configure configure.in Makefile.in: Update to new configure
3006 scheme which is more compatible with WinGDB builds.
3007 * configure.in: Improve comment on how to run autoconf.
3008 * configure: Re-run autoconf to get new ../common/aclocal.m4.
3009 * Makefile.in: Use autoconf substitution to install common
3010 makefile fragment.
3011
3012Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
3013
3014 * gencode.c (build_instruction): Use BigEndianCPU instead of
3015 ByteSwapMem.
3016
3017Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
3018
3019 * interp.c (sim_monitor): Make output to stdout visible in
3020 wingdb's I/O log window.
3021
3022Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
3023
3024 * support.h: Undo previous change to SIGTRAP
3025 and SIGQUIT values.
3026
3027Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
3028
3029 * interp.c (store_word, load_word): New static functions.
3030 (mips16_entry): New static function.
3031 (SignalException): Look for mips16 entry and exit instructions.
3032 (simulate): Use the correct index when setting fpr_state after
3033 doing a pending move.
3034
3035Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
3036
3037 * interp.c: Fix byte-swapping code throughout to work on
3038 both little- and big-endian hosts.
3039
3040Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
3041
3042 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
3043 with gdb/config/i386/xm-windows.h.
3044
3045Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
3046
3047 * gencode.c (build_instruction): Work around MSVC++ code gen bug
3048 that messes up arithmetic shifts.
3049
3050Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
3051
3052 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
3053 SIGTRAP and SIGQUIT for _WIN32.
3054
3055Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
3056
3057 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
3058 force a 64 bit multiplication.
3059 (build_instruction) [OR]: In mips16 mode, don't do anything if the
3060 destination register is 0, since that is the default mips16 nop
3061 instruction.
3062
3063Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
3064
3065 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
3066 (build_endian_shift): Don't check proc64.
3067 (build_instruction): Always set memval to uword64. Cast op2 to
3068 uword64 when shifting it left in memory instructions. Always use
3069 the same code for stores--don't special case proc64.
3070
3071 * gencode.c (build_mips16_operands): Fix base PC value for PC
3072 relative operands.
3073 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
3074 jal instruction.
3075 * interp.c (simJALDELAYSLOT): Define.
3076 (JALDELAYSLOT): Define.
3077 (INDELAYSLOT, INJALDELAYSLOT): Define.
3078 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
3079
3080Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
3081
3082 * interp.c (sim_open): add flush_cache as a PMON routine
3083 (sim_monitor): handle flush_cache by ignoring it
3084
3085Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3086
3087 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3088 BigEndianMem.
3089 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3090 (BigEndianMem): Rename to ByteSwapMem and change sense.
3091 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3092 BigEndianMem references to !ByteSwapMem.
3093 (set_endianness): New function, with prototype.
3094 (sim_open): Call set_endianness.
3095 (sim_info): Use simBE instead of BigEndianMem.
3096 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3097 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3098 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3099 ifdefs, keeping the prototype declaration.
3100 (swap_word): Rewrite correctly.
3101 (ColdReset): Delete references to CONFIG. Delete endianness related
3102 code; moved to set_endianness.
3103
3104Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3105
3106 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3107 * interp.c (CHECKHILO): Define away.
3108 (simSIGINT): New macro.
3109 (membank_size): Increase from 1MB to 2MB.
3110 (control_c): New function.
3111 (sim_resume): Rename parameter signal to signal_number. Add local
3112 variable prev. Call signal before and after simulate.
3113 (sim_stop_reason): Add simSIGINT support.
3114 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3115 functions always.
3116 (sim_warning): Delete call to SignalException. Do call printf_filtered
3117 if logfh is NULL.
3118 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3119 a call to sim_warning.
3120
3121Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3122
3123 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3124 16 bit instructions.
3125
3126Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3127
3128 Add support for mips16 (16 bit MIPS implementation):
3129 * gencode.c (inst_type): Add mips16 instruction encoding types.
3130 (GETDATASIZEINSN): Define.
3131 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3132 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3133 mtlo.
3134 (MIPS16_DECODE): New table, for mips16 instructions.
3135 (bitmap_val): New static function.
3136 (struct mips16_op): Define.
3137 (mips16_op_table): New table, for mips16 operands.
3138 (build_mips16_operands): New static function.
3139 (process_instructions): If PC is odd, decode a mips16
3140 instruction. Break out instruction handling into new
3141 build_instruction function.
3142 (build_instruction): New static function, broken out of
3143 process_instructions. Check modifiers rather than flags for SHIFT
3144 bit count and m[ft]{hi,lo} direction.
3145 (usage): Pass program name to fprintf.
3146 (main): Remove unused variable this_option_optind. Change
3147 ``*loptarg++'' to ``loptarg++''.
3148 (my_strtoul): Parenthesize && within ||.
3149 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3150 (simulate): If PC is odd, fetch a 16 bit instruction, and
3151 increment PC by 2 rather than 4.
3152 * configure.in: Add case for mips16*-*-*.
3153 * configure: Rebuild.
3154
3155Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3156
3157 * interp.c: Allow -t to enable tracing in standalone simulator.
3158 Fix garbage output in trace file and error messages.
3159
3160Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3161
3162 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3163 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3164 * configure.in: Simplify using macros in ../common/aclocal.m4.
3165 * configure: Regenerated.
3166 * tconfig.in: New file.
3167
3168Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3169
3170 * interp.c: Fix bugs in 64-bit port.
3171 Use ansi function declarations for msvc compiler.
3172 Initialize and test file pointer in trace code.
3173 Prevent duplicate definition of LAST_EMED_REGNUM.
3174
3175Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3176
3177 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3178
3179Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3180
3181 * interp.c (SignalException): Check for explicit terminating
3182 breakpoint value.
3183 * gencode.c: Pass instruction value through SignalException()
3184 calls for Trap, Breakpoint and Syscall.
3185
3186Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3187
3188 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3189 only used on those hosts that provide it.
3190 * configure.in: Add sqrt() to list of functions to be checked for.
3191 * config.in: Re-generated.
3192 * configure: Re-generated.
3193
3194Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3195
3196 * gencode.c (process_instructions): Call build_endian_shift when
3197 expanding STORE RIGHT, to fix swr.
3198 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3199 clear the high bits.
3200 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3201 Fix float to int conversions to produce signed values.
3202
3203Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3204
3205 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3206 (process_instructions): Correct handling of nor instruction.
3207 Correct shift count for 32 bit shift instructions. Correct sign
3208 extension for arithmetic shifts to not shift the number of bits in
3209 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3210 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3211 Fix madd.
3212 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3213 It's OK to have a mult follow a mult. What's not OK is to have a
3214 mult follow an mfhi.
3215 (Convert): Comment out incorrect rounding code.
3216
3217Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3218
3219 * interp.c (sim_monitor): Improved monitor printf
3220 simulation. Tidied up simulator warnings, and added "--log" option
3221 for directing warning message output.
3222 * gencode.c: Use sim_warning() rather than WARNING macro.
3223
3224Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3225
3226 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3227 getopt1.o, rather than on gencode.c. Link objects together.
3228 Don't link against -liberty.
3229 (gencode.o, getopt.o, getopt1.o): New targets.
3230 * gencode.c: Include <ctype.h> and "ansidecl.h".
3231 (AND): Undefine after including "ansidecl.h".
3232 (ULONG_MAX): Define if not defined.
3233 (OP_*): Don't define macros; now defined in opcode/mips.h.
3234 (main): Call my_strtoul rather than strtoul.
3235 (my_strtoul): New static function.
3236
3237Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3238
3239 * gencode.c (process_instructions): Generate word64 and uword64
3240 instead of `long long' and `unsigned long long' data types.
3241 * interp.c: #include sysdep.h to get signals, and define default
3242 for SIGBUS.
3243 * (Convert): Work around for Visual-C++ compiler bug with type
3244 conversion.
3245 * support.h: Make things compile under Visual-C++ by using
3246 __int64 instead of `long long'. Change many refs to long long
3247 into word64/uword64 typedefs.
3248
3249Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3250
3251 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3252 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3253 (docdir): Removed.
3254 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3255 (AC_PROG_INSTALL): Added.
3256 (AC_PROG_CC): Moved to before configure.host call.
3257 * configure: Rebuilt.
3258
3259Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3260
3261 * configure.in: Define @SIMCONF@ depending on mips target.
3262 * configure: Rebuild.
3263 * Makefile.in (run): Add @SIMCONF@ to control simulator
3264 construction.
3265 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3266 * interp.c: Remove some debugging, provide more detailed error
3267 messages, update memory accesses to use LOADDRMASK.
3268
3269Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3270
3271 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3272 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3273 stamp-h.
3274 * configure: Rebuild.
3275 * config.in: New file, generated by autoheader.
3276 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3277 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3278 HAVE_ANINT and HAVE_AINT, as appropriate.
3279 * Makefile.in (run): Use @LIBS@ rather than -lm.
3280 (interp.o): Depend upon config.h.
3281 (Makefile): Just rebuild Makefile.
3282 (clean): Remove stamp-h.
3283 (mostlyclean): Make the same as clean, not as distclean.
3284 (config.h, stamp-h): New targets.
3285
3286Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3287
3288 * interp.c (ColdReset): Fix boolean test. Make all simulator
3289 globals static.
3290
3291Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3292
3293 * interp.c (xfer_direct_word, xfer_direct_long,
3294 swap_direct_word, swap_direct_long, xfer_big_word,
3295 xfer_big_long, xfer_little_word, xfer_little_long,
3296 swap_word,swap_long): Added.
3297 * interp.c (ColdReset): Provide function indirection to
3298 host<->simulated_target transfer routines.
3299 * interp.c (sim_store_register, sim_fetch_register): Updated to
3300 make use of indirected transfer routines.
3301
3302Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3303
3304 * gencode.c (process_instructions): Ensure FP ABS instruction
3305 recognised.
3306 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3307 system call support.
3308
3309Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3310
3311 * interp.c (sim_do_command): Complain if callback structure not
3312 initialised.
3313
3314Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3315
3316 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3317 support for Sun hosts.
3318 * Makefile.in (gencode): Ensure the host compiler and libraries
3319 used for cross-hosted build.
3320
3321Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3322
3323 * interp.c, gencode.c: Some more (TODO) tidying.
3324
3325Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3326
3327 * gencode.c, interp.c: Replaced explicit long long references with
3328 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3329 * support.h (SET64LO, SET64HI): Macros added.
3330
3331Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3332
3333 * configure: Regenerate with autoconf 2.7.
3334
3335Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3336
3337 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3338 * support.h: Remove superfluous "1" from #if.
3339 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3340
3341Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3342
3343 * interp.c (StoreFPR): Control UndefinedResult() call on
3344 WARN_RESULT manifest.
3345
3346Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3347
3348 * gencode.c: Tidied instruction decoding, and added FP instruction
3349 support.
3350
3351 * interp.c: Added dineroIII, and BSD profiling support. Also
3352 run-time FP handling.
3353
3354Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3355
3356 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3357 gencode.c, interp.c, support.h: created.
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