Regenerate sim configure files to pick up support for powerpc64le in
[deliverable/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
bf3d9781
AM
12013-09-23 Alan Modra <amodra@gmail.com>
2
3 * configure: Regenerate.
4
31e6ad7d
MF
52013-06-03 Mike Frysinger <vapier@gentoo.org>
6
7 * aclocal.m4, configure: Regenerate.
8
d3685d60
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92013-05-10 Freddie Chopin <freddie_chopin@op.pl>
10
11 * configure: Rebuild.
12
1517bd27
MF
132013-03-26 Mike Frysinger <vapier@gentoo.org>
14
15 * configure: Regenerate.
16
3be31516
JS
172013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>
18
19 * configure.ac: Address use of dv-sockser.o.
20 * tconfig.in: Conditionalize use of dv_sockser_install.
21 * configure: Regenerated.
22 * config.in: Regenerated.
23
37cb8f8e
SE
242012-10-04 Chao-ying Fu <fu@mips.com>
25 Steve Ellcey <sellcey@mips.com>
26
27 * mips/mips3264r2.igen (rdhwr): New.
28
87c8644f
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292012-09-03 Joel Sherrill <joel.sherrill@oarcorp.com>
30
31 * configure.ac: Always link against dv-sockser.o.
32 * configure: Regenerate.
33
5f3ef9d0
JB
342012-06-15 Joel Brobecker <brobecker@adacore.com>
35
36 * config.in, configure: Regenerate.
37
a6ff997c
NC
382012-05-18 Nick Clifton <nickc@redhat.com>
39
40 PR 14072
41 * interp.c: Include config.h before system header files.
42
2232061b
MF
432012-03-24 Mike Frysinger <vapier@gentoo.org>
44
45 * aclocal.m4, config.in, configure: Regenerate.
46
db2e4d67
MF
472011-12-03 Mike Frysinger <vapier@gentoo.org>
48
49 * aclocal.m4: New file.
50 * configure: Regenerate.
51
4399a56b
MF
522011-10-19 Mike Frysinger <vapier@gentoo.org>
53
54 * configure: Regenerate after common/acinclude.m4 update.
55
9c082ca8
MF
562011-10-17 Mike Frysinger <vapier@gentoo.org>
57
58 * configure.ac: Change include to common/acinclude.m4.
59
6ffe910a
MF
602011-10-17 Mike Frysinger <vapier@gentoo.org>
61
62 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
63 call. Replace common.m4 include with SIM_AC_COMMON.
64 * configure: Regenerate.
65
31b28250
HPN
662011-07-08 Hans-Peter Nilsson <hp@axis.com>
67
3faa01e3
HPN
68 * Makefile.in ($(SIM_MULTI_OBJ)): Depend on sim-main.h
69 $(SIM_EXTRA_DEPS).
70 (tmp-mach-multi): Exit early when igen fails.
31b28250 71
2419798b
MF
722011-07-05 Mike Frysinger <vapier@gentoo.org>
73
74 * interp.c (sim_do_command): Delete.
75
d79fe0d6
MF
762011-02-14 Mike Frysinger <vapier@gentoo.org>
77
78 * dv-tx3904sio.c (tx3904sio_fifo_push): Change zfree to free.
79 (tx3904sio_fifo_reset): Likewise.
80 * interp.c (sim_monitor): Likewise.
81
5558e7e6
MF
822010-04-14 Mike Frysinger <vapier@gentoo.org>
83
84 * interp.c (sim_write): Add const to buffer arg.
85
35aafff4
JB
862010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
87
88 * interp.c: Don't include sysdep.h
89
3725885a
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902010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
91
92 * configure: Regenerate.
93
d6416cdc
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942009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
95
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96 * config.in: Regenerate.
97 * configure: Likewise.
98
d6416cdc
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99 * configure: Regenerate.
100
b5bd9624
HPN
1012008-07-11 Hans-Peter Nilsson <hp@axis.com>
102
103 * configure: Regenerate to track ../common/common.m4 changes.
104 * config.in: Ditto.
105
6efef468
JM
1062008-06-06 Vladimir Prus <vladimir@codesourcery.com>
107 Daniel Jacobowitz <dan@codesourcery.com>
108 Joseph Myers <joseph@codesourcery.com>
109
110 * configure: Regenerate.
111
60dc88db
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1122007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
113
114 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
115 that unconditionally allows fmt_ps.
116 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
117 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
118 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
119 filter from 64,f to 32,f.
120 (PREFX): Change filter from 64 to 32.
121 (LDXC1, LUXC1): Provide separate mips32r2 implementations
122 that use do_load_double instead of do_load. Make both LUXC1
123 versions unpredictable if SizeFGR () != 64.
124 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
125 instead of do_store. Remove unused variable. Make both SUXC1
126 versions unpredictable if SizeFGR () != 64.
127
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1282007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
129
130 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
131 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
132 shifts for that case.
133
2525df03
NC
1342007-09-04 Nick Clifton <nickc@redhat.com>
135
136 * interp.c (options enum): Add OPTION_INFO_MEMORY.
137 (display_mem_info): New static variable.
138 (mips_option_handler): Handle OPTION_INFO_MEMORY.
139 (mips_options): Add info-memory and memory-info.
140 (sim_open): After processing the command line and board
141 specification, check display_mem_info. If it is set then
142 call the real handler for the --memory-info command line
143 switch.
144
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1452007-08-24 Joel Brobecker <brobecker@adacore.com>
146
147 * configure.ac: Change license of multi-run.c to GPL version 3.
148 * configure: Regenerate.
149
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RS
1502007-06-28 Richard Sandiford <richard@codesourcery.com>
151
152 * configure.ac, configure: Revert last patch.
153
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1542007-06-26 Richard Sandiford <richard@codesourcery.com>
155
156 * configure.ac (sim_mipsisa3264_configs): New variable.
157 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
158 every configuration support all four targets, using the triplet to
159 determine the default.
160 * configure: Regenerate.
161
efdcccc9
RS
1622007-06-25 Richard Sandiford <richard@codesourcery.com>
163
0a7692b2 164 * Makefile.in (m16run.o): New rule.
efdcccc9 165
f532a356
TS
1662007-05-15 Thiemo Seufer <ths@mips.com>
167
168 * mips3264r2.igen (DSHD): Fix compile warning.
169
bfe9c90b
TS
1702007-05-14 Thiemo Seufer <ths@mips.com>
171
172 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
173 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
174 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
175 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
176 for mips32r2.
177
53f4826b
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1782007-03-01 Thiemo Seufer <ths@mips.com>
179
180 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
181 and mips64.
182
8bf3ddc8
TS
1832007-02-20 Thiemo Seufer <ths@mips.com>
184
185 * dsp.igen: Update copyright notice.
186 * dsp2.igen: Fix copyright notice.
187
8b082fb1
TS
1882007-02-20 Thiemo Seufer <ths@mips.com>
189 Chao-Ying Fu <fu@mips.com>
190
191 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
192 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
193 Add dsp2 to sim_igen_machine.
194 * configure: Regenerate.
195 * dsp.igen (do_ph_op): Add MUL support when op = 2.
196 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
197 (mulq_rs.ph): Use do_ph_mulq.
198 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
199 * mips.igen: Add dsp2 model and include dsp2.igen.
200 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
201 for *mips32r2, *mips64r2, *dsp.
202 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
203 for *mips32r2, *mips64r2, *dsp2.
204 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
205
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2062007-02-19 Thiemo Seufer <ths@mips.com>
207 Nigel Stephens <nigel@mips.com>
208
209 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
210 jumps with hazard barrier.
211
f8df4c77
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2122007-02-19 Thiemo Seufer <ths@mips.com>
213 Nigel Stephens <nigel@mips.com>
214
215 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
216 after each call to sim_io_write.
217
b1004875 2182007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 219 Nigel Stephens <nigel@mips.com>
b1004875
TS
220
221 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
222 supported by this simulator.
07802d98
TS
223 (decode_coproc): Recognise additional CP0 Config registers
224 correctly.
225
14fb6c5a
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2262007-02-19 Thiemo Seufer <ths@mips.com>
227 Nigel Stephens <nigel@mips.com>
228 David Ung <davidu@mips.com>
229
230 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
231 uninterpreted formats. If fmt is one of the uninterpreted types
232 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
233 fmt_word, and fmt_uninterpreted_64 like fmt_long.
234 (store_fpr): When writing an invalid odd register, set the
235 matching even register to fmt_unknown, not the following register.
236 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
237 the the memory window at offset 0 set by --memory-size command
238 line option.
239 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
240 point register.
241 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
242 register.
243 (sim_monitor): When returning the memory size to the MIPS
244 application, use the value in STATE_MEM_SIZE, not an arbitrary
245 hardcoded value.
246 (cop_lw): Don' mess around with FPR_STATE, just pass
247 fmt_uninterpreted_32 to StoreFPR.
248 (cop_sw): Similarly.
249 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
250 (cop_sd): Similarly.
251 * mips.igen (not_word_value): Single version for mips32, mips64
252 and mips16.
253
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2542007-02-19 Thiemo Seufer <ths@mips.com>
255 Nigel Stephens <nigel@mips.com>
256
257 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
258 MBytes.
259
4b5d35ee
TS
2602007-02-17 Thiemo Seufer <ths@mips.com>
261
262 * configure.ac (mips*-sde-elf*): Move in front of generic machine
263 configuration.
264 * configure: Regenerate.
265
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2662007-02-17 Thiemo Seufer <ths@mips.com>
267
268 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
269 Add mdmx to sim_igen_machine.
270 (mipsisa64*-*-*): Likewise. Remove dsp.
271 (mipsisa32*-*-*): Remove dsp.
272 * configure: Regenerate.
273
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TS
2742007-02-13 Thiemo Seufer <ths@mips.com>
275
276 * configure.ac: Add mips*-sde-elf* target.
277 * configure: Regenerate.
278
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HPN
2792006-12-21 Hans-Peter Nilsson <hp@axis.com>
280
281 * acconfig.h: Remove.
282 * config.in, configure: Regenerate.
283
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2842006-11-07 Thiemo Seufer <ths@mips.com>
285
286 * dsp.igen (do_w_op): Fix compiler warning.
287
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TS
2882006-08-29 Thiemo Seufer <ths@mips.com>
289 David Ung <davidu@mips.com>
290
291 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
292 sim_igen_machine.
293 * configure: Regenerate.
294 * mips.igen (model): Add smartmips.
295 (MADDU): Increment ACX if carry.
296 (do_mult): Clear ACX.
297 (ROR,RORV): Add smartmips.
298 (include): Include smartmips.igen.
299 * sim-main.h (ACX): Set to REGISTERS[89].
300 * smartmips.igen: New file.
301
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3022006-08-29 Thiemo Seufer <ths@mips.com>
303 David Ung <davidu@mips.com>
304
305 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
306 mips3264r2.igen. Add missing dependency rules.
307 * m16e.igen: Support for mips16e save/restore instructions.
308
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RE
3092006-06-13 Richard Earnshaw <rearnsha@arm.com>
310
311 * configure: Regenerated.
312
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DJ
3132006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
314
315 * configure: Regenerated.
316
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3172006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
318
319 * configure: Regenerated.
320
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3212006-05-15 Chao-ying Fu <fu@mips.com>
322
323 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
324
0275de4e
NC
3252006-04-18 Nick Clifton <nickc@redhat.com>
326
327 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
328 statement.
329
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HPN
3302006-03-29 Hans-Peter Nilsson <hp@axis.com>
331
332 * configure: Regenerate.
333
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CF
3342005-12-14 Chao-ying Fu <fu@mips.com>
335
336 * Makefile.in (SIM_OBJS): Add dsp.o.
337 (dsp.o): New dependency.
338 (IGEN_INCLUDE): Add dsp.igen.
339 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
340 mipsisa64*-*-*): Add dsp to sim_igen_machine.
341 * configure: Regenerate.
342 * mips.igen: Add dsp model and include dsp.igen.
343 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
344 because these instructions are extended in DSP ASE.
345 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
346 adding 6 DSP accumulator registers and 1 DSP control register.
347 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
348 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
349 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
350 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
351 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
352 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
353 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
354 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
355 DSPCR_CCOND_SMASK): New define.
356 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
357 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
358
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3592005-07-08 Ian Lance Taylor <ian@airs.com>
360
361 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
362
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3632005-06-16 David Ung <davidu@mips.com>
364 Nigel Stephens <nigel@mips.com>
365
366 * mips.igen: New mips16e model and include m16e.igen.
367 (check_u64): Add mips16e tag.
368 * m16e.igen: New file for MIPS16e instructions.
369 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
370 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
371 models.
372 * configure: Regenerate.
373
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3742005-05-26 David Ung <davidu@mips.com>
375
376 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
377 tags to all instructions which are applicable to the new ISAs.
378 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
379 vr.igen.
380 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
381 instructions.
382 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
383 to mips.igen.
384 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
385 * configure: Regenerate.
386
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3872005-03-23 Mark Kettenis <kettenis@gnu.org>
388
389 * configure: Regenerate.
390
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3912005-01-14 Andrew Cagney <cagney@gnu.org>
392
393 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
394 explicit call to AC_CONFIG_HEADER.
395 * configure: Regenerate.
396
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AC
3972005-01-12 Andrew Cagney <cagney@gnu.org>
398
399 * configure.ac: Update to use ../common/common.m4.
400 * configure: Re-generate.
401
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4022005-01-11 Andrew Cagney <cagney@localhost.localdomain>
403
404 * configure: Regenerated to track ../common/aclocal.m4 changes.
405
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4062005-01-07 Andrew Cagney <cagney@gnu.org>
407
408 * configure.ac: Rename configure.in, require autoconf 2.59.
409 * configure: Re-generate.
410
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4112004-12-08 Hans-Peter Nilsson <hp@axis.com>
412
413 * configure: Regenerate for ../common/aclocal.m4 update.
414
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4152004-09-24 Monika Chaddha <monika@acmet.com>
416
417 Committed by Andrew Cagney.
418 * m16.igen (CMP, CMPI): Fix assembler.
419
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4202004-08-18 Chris Demetriou <cgd@broadcom.com>
421
422 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
423 * configure: Regenerate.
424
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4252004-06-25 Chris Demetriou <cgd@broadcom.com>
426
427 * configure.in (sim_m16_machine): Include mipsIII.
428 * configure: Regenerate.
429
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CD
4302004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
431
432 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
433 from COP0_BADVADDR.
434 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
435
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CD
4362004-04-10 Chris Demetriou <cgd@broadcom.com>
437
438 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
439
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4402004-04-09 Chris Demetriou <cgd@broadcom.com>
441
442 * mips.igen (check_fmt): Remove.
443 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
444 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
445 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
446 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
447 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
448 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
449 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
450 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
451 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
452 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
453
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4542004-04-09 Chris Demetriou <cgd@broadcom.com>
455
456 * sb1.igen (check_sbx): New function.
457 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
458
11d66e66 4592004-03-29 Chris Demetriou <cgd@broadcom.com>
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460 Richard Sandiford <rsandifo@redhat.com>
461
462 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
463 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
464 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
465 separate implementations for mipsIV and mipsV. Use new macros to
466 determine whether the restrictions apply.
467
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4682004-01-19 Chris Demetriou <cgd@broadcom.com>
469
470 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
471 (check_mult_hilo): Improve comments.
472 (check_div_hilo): Likewise. Also, fork off a new version
473 to handle mips32/mips64 (since there are no hazards to check
474 in MIPS32/MIPS64).
475
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4762003-06-17 Richard Sandiford <rsandifo@redhat.com>
477
478 * mips.igen (do_dmultx): Fix check for negative operands.
479
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4802003-05-16 Ian Lance Taylor <ian@airs.com>
481
482 * Makefile.in (SHELL): Make sure this is defined.
483 (various): Use $(SHELL) whenever we invoke move-if-change.
484
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4852003-05-03 Chris Demetriou <cgd@broadcom.com>
486
487 * cp1.c: Tweak attribution slightly.
488 * cp1.h: Likewise.
489 * mdmx.c: Likewise.
490 * mdmx.igen: Likewise.
491 * mips3d.igen: Likewise.
492 * sb1.igen: Likewise.
493
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4942003-04-15 Richard Sandiford <rsandifo@redhat.com>
495
496 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
497 unsigned operands.
498
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4992003-02-27 Andrew Cagney <cagney@redhat.com>
500
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501 * interp.c (sim_open): Rename _bfd to bfd.
502 (sim_create_inferior): Ditto.
6b4a8935 503
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5042003-01-14 Chris Demetriou <cgd@broadcom.com>
505
506 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
507
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5082003-01-14 Chris Demetriou <cgd@broadcom.com>
509
510 * mips.igen (EI, DI): Remove.
511
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5122003-01-05 Richard Sandiford <rsandifo@redhat.com>
513
514 * Makefile.in (tmp-run-multi): Fix mips16 filter.
515
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5162003-01-04 Richard Sandiford <rsandifo@redhat.com>
517 Andrew Cagney <ac131313@redhat.com>
518 Gavin Romig-Koch <gavin@redhat.com>
519 Graydon Hoare <graydon@redhat.com>
520 Aldy Hernandez <aldyh@redhat.com>
521 Dave Brolley <brolley@redhat.com>
522 Chris Demetriou <cgd@broadcom.com>
523
524 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
525 (sim_mach_default): New variable.
526 (mips64vr-*-*, mips64vrel-*-*): New configurations.
527 Add a new simulator generator, MULTI.
528 * configure: Regenerate.
529 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
530 (multi-run.o): New dependency.
531 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
532 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
533 (tmp-multi): Combine them.
534 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
535 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
536 (distclean-extra): New rule.
537 * sim-main.h: Include bfd.h.
538 (MIPS_MACH): New macro.
539 * mips.igen (vr4120, vr5400, vr5500): New models.
540 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
541 * vr.igen: Replace with new version.
542
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5432003-01-04 Chris Demetriou <cgd@broadcom.com>
544
545 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
546 * configure: Regenerate.
547
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5482002-12-31 Chris Demetriou <cgd@broadcom.com>
549
550 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
551 * mips.igen: Remove all invocations of check_branch_bug and
552 mark_branch_bug.
553
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5542002-12-16 Chris Demetriou <cgd@broadcom.com>
555
556 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
557
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5582002-07-30 Chris Demetriou <cgd@broadcom.com>
559
560 * mips.igen (do_load_double, do_store_double): New functions.
561 (LDC1, SDC1): Rename to...
562 (LDC1b, SDC1b): respectively.
563 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
564
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5652002-07-29 Michael Snyder <msnyder@redhat.com>
566
567 * cp1.c (fp_recip2): Modify initialization expression so that
568 GCC will recognize it as constant.
569
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5702002-06-18 Chris Demetriou <cgd@broadcom.com>
571
572 * mdmx.c (SD_): Delete.
573 (Unpredictable): Re-define, for now, to directly invoke
574 unpredictable_action().
575 (mdmx_acc_op): Fix error in .ob immediate handling.
576
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5772002-06-18 Andrew Cagney <cagney@redhat.com>
578
579 * interp.c (sim_firmware_command): Initialize `address'.
580
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5812002-06-16 Andrew Cagney <ac131313@redhat.com>
582
583 * configure: Regenerated to track ../common/aclocal.m4 changes.
584
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5852002-06-14 Chris Demetriou <cgd@broadcom.com>
586 Ed Satterthwaite <ehs@broadcom.com>
587
588 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
589 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
590 * mips.igen: Include mips3d.igen.
591 (mips3d): New model name for MIPS-3D ASE instructions.
592 (CVT.W.fmt): Don't use this instruction for word (source) format
593 instructions.
594 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
595 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
596 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
597 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
598 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
599 (RSquareRoot1, RSquareRoot2): New macros.
600 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
601 (fp_rsqrt2): New functions.
602 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
603 * configure: Regenerate.
604
3a2b820e 6052002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 606 Ed Satterthwaite <ehs@broadcom.com>
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607
608 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
609 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
610 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
611 (convert): Note that this function is not used for paired-single
612 format conversions.
613 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
614 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
615 (check_fmt_p): Enable paired-single support.
616 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
617 (PUU.PS): New instructions.
618 (CVT.S.fmt): Don't use this instruction for paired-single format
619 destinations.
620 * sim-main.h (FP_formats): New value 'fmt_ps.'
621 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
622 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
623
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6242002-06-12 Chris Demetriou <cgd@broadcom.com>
625
626 * mips.igen: Fix formatting of function calls in
627 many FP operations.
628
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6292002-06-12 Chris Demetriou <cgd@broadcom.com>
630
631 * mips.igen (MOVN, MOVZ): Trace result.
632 (TNEI): Print "tnei" as the opcode name in traces.
633 (CEIL.W): Add disassembly string for traces.
634 (RSQRT.fmt): Make location of disassembly string consistent
635 with other instructions.
636
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6372002-06-12 Chris Demetriou <cgd@broadcom.com>
638
639 * mips.igen (X): Delete unused function.
640
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6412002-06-08 Andrew Cagney <cagney@redhat.com>
642
643 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
644
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6452002-06-07 Chris Demetriou <cgd@broadcom.com>
646 Ed Satterthwaite <ehs@broadcom.com>
647
648 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
649 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
650 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
651 (fp_nmsub): New prototypes.
652 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
653 (NegMultiplySub): New defines.
654 * mips.igen (RSQRT.fmt): Use RSquareRoot().
655 (MADD.D, MADD.S): Replace with...
656 (MADD.fmt): New instruction.
657 (MSUB.D, MSUB.S): Replace with...
658 (MSUB.fmt): New instruction.
659 (NMADD.D, NMADD.S): Replace with...
660 (NMADD.fmt): New instruction.
661 (NMSUB.D, MSUB.S): Replace with...
662 (NMSUB.fmt): New instruction.
663
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6642002-06-07 Chris Demetriou <cgd@broadcom.com>
665 Ed Satterthwaite <ehs@broadcom.com>
666
667 * cp1.c: Fix more comment spelling and formatting.
668 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
669 (denorm_mode): New function.
670 (fpu_unary, fpu_binary): Round results after operation, collect
671 status from rounding operations, and update the FCSR.
672 (convert): Collect status from integer conversions and rounding
673 operations, and update the FCSR. Adjust NaN values that result
674 from conversions. Convert to use sim_io_eprintf rather than
675 fprintf, and remove some debugging code.
676 * cp1.h (fenr_FS): New define.
677
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6782002-06-07 Chris Demetriou <cgd@broadcom.com>
679
680 * cp1.c (convert): Remove unusable debugging code, and move MIPS
681 rounding mode to sim FP rounding mode flag conversion code into...
682 (rounding_mode): New function.
683
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6842002-06-07 Chris Demetriou <cgd@broadcom.com>
685
686 * cp1.c: Clean up formatting of a few comments.
687 (value_fpr): Reformat switch statement.
688
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6892002-06-06 Chris Demetriou <cgd@broadcom.com>
690 Ed Satterthwaite <ehs@broadcom.com>
691
692 * cp1.h: New file.
693 * sim-main.h: Include cp1.h.
694 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
695 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
696 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
697 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
698 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
699 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
700 * cp1.c: Don't include sim-fpu.h; already included by
701 sim-main.h. Clean up formatting of some comments.
702 (NaN, Equal, Less): Remove.
703 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
704 (fp_cmp): New functions.
705 * mips.igen (do_c_cond_fmt): Remove.
706 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
707 Compare. Add result tracing.
708 (CxC1): Remove, replace with...
709 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
710 (DMxC1): Remove, replace with...
711 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
712 (MxC1): Remove, replace with...
713 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
714
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7152002-06-04 Chris Demetriou <cgd@broadcom.com>
716
717 * sim-main.h (FGRIDX): Remove, replace all uses with...
718 (FGR_BASE): New macro.
719 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
720 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
721 (NR_FGR, FGR): Likewise.
722 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
723 * mips.igen: Likewise.
724
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7252002-06-04 Chris Demetriou <cgd@broadcom.com>
726
727 * cp1.c: Add an FSF Copyright notice to this file.
728
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7292002-06-04 Chris Demetriou <cgd@broadcom.com>
730 Ed Satterthwaite <ehs@broadcom.com>
731
732 * cp1.c (Infinity): Remove.
733 * sim-main.h (Infinity): Likewise.
734
735 * cp1.c (fp_unary, fp_binary): New functions.
736 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
737 (fp_sqrt): New functions, implemented in terms of the above.
738 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
739 (Recip, SquareRoot): Remove (replaced by functions above).
740 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
741 (fp_recip, fp_sqrt): New prototypes.
742 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
743 (Recip, SquareRoot): Replace prototypes with #defines which
744 invoke the functions above.
745
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7462002-06-03 Chris Demetriou <cgd@broadcom.com>
747
748 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
749 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
750 file, remove PARAMS from prototypes.
751 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
752 simulator state arguments.
753 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
754 pass simulator state arguments.
755 * cp1.c (SD): Redefine as CPU_STATE(cpu).
756 (store_fpr, convert): Remove 'sd' argument.
757 (value_fpr): Likewise. Convert to use 'SD' instead.
758
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7592002-06-03 Chris Demetriou <cgd@broadcom.com>
760
761 * cp1.c (Min, Max): Remove #if 0'd functions.
762 * sim-main.h (Min, Max): Remove.
763
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7642002-06-03 Chris Demetriou <cgd@broadcom.com>
765
766 * cp1.c: fix formatting of switch case and default labels.
767 * interp.c: Likewise.
768 * sim-main.c: Likewise.
769
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7702002-06-03 Chris Demetriou <cgd@broadcom.com>
771
772 * cp1.c: Clean up comments which describe FP formats.
773 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
774
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7752002-06-03 Chris Demetriou <cgd@broadcom.com>
776 Ed Satterthwaite <ehs@broadcom.com>
777
778 * configure.in (mipsisa64sb1*-*-*): New target for supporting
779 Broadcom SiByte SB-1 processor configurations.
780 * configure: Regenerate.
781 * sb1.igen: New file.
782 * mips.igen: Include sb1.igen.
783 (sb1): New model.
784 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
785 * mdmx.igen: Add "sb1" model to all appropriate functions and
786 instructions.
787 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
788 (ob_func, ob_acc): Reference the above.
789 (qh_acc): Adjust to keep the same size as ob_acc.
790 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
791 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
792
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7932002-06-03 Chris Demetriou <cgd@broadcom.com>
794
795 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
796
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7972002-06-02 Chris Demetriou <cgd@broadcom.com>
798 Ed Satterthwaite <ehs@broadcom.com>
799
800 * mips.igen (mdmx): New (pseudo-)model.
801 * mdmx.c, mdmx.igen: New files.
802 * Makefile.in (SIM_OBJS): Add mdmx.o.
803 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
804 New typedefs.
805 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
806 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
807 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
808 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
809 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
810 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
811 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
812 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
813 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
814 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
815 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
816 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
817 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
818 (qh_fmtsel): New macros.
819 (_sim_cpu): New member "acc".
820 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
821 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
822
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8232002-05-01 Chris Demetriou <cgd@broadcom.com>
824
825 * interp.c: Use 'deprecated' rather than 'depreciated.'
826 * sim-main.h: Likewise.
827
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8282002-05-01 Chris Demetriou <cgd@broadcom.com>
829
830 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
831 which wouldn't compile anyway.
832 * sim-main.h (unpredictable_action): New function prototype.
833 (Unpredictable): Define to call igen function unpredictable().
834 (NotWordValue): New macro to call igen function not_word_value().
835 (UndefinedResult): Remove.
836 * interp.c (undefined_result): Remove.
837 (unpredictable_action): New function.
838 * mips.igen (not_word_value, unpredictable): New functions.
839 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
840 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
841 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
842 NotWordValue() to check for unpredictable inputs, then
843 Unpredictable() to handle them.
844
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8452002-02-24 Chris Demetriou <cgd@broadcom.com>
846
847 * mips.igen: Fix formatting of calls to Unpredictable().
848
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8492002-04-20 Andrew Cagney <ac131313@redhat.com>
850
851 * interp.c (sim_open): Revert previous change.
852
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8532002-04-18 Alexandre Oliva <aoliva@redhat.com>
854
855 * interp.c (sim_open): Disable chunk of code that wrote code in
856 vector table entries.
857
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8582002-03-19 Chris Demetriou <cgd@broadcom.com>
859
860 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
861 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
862 unused definitions.
863
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8642002-03-19 Chris Demetriou <cgd@broadcom.com>
865
866 * cp1.c: Fix many formatting issues.
867
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8682002-03-19 Chris G. Demetriou <cgd@broadcom.com>
869
870 * cp1.c (fpu_format_name): New function to replace...
871 (DOFMT): This. Delete, and update all callers.
872 (fpu_rounding_mode_name): New function to replace...
873 (RMMODE): This. Delete, and update all callers.
874
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8752002-03-19 Chris G. Demetriou <cgd@broadcom.com>
876
877 * interp.c: Move FPU support routines from here to...
878 * cp1.c: Here. New file.
879 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
880 (cp1.o): New target.
881
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8822002-03-12 Chris Demetriou <cgd@broadcom.com>
883
884 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
885 * mips.igen (mips32, mips64): New models, add to all instructions
886 and functions as appropriate.
887 (loadstore_ea, check_u64): New variant for model mips64.
888 (check_fmt_p): New variant for models mipsV and mips64, remove
889 mipsV model marking fro other variant.
890 (SLL) Rename to...
891 (SLLa) this.
892 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
893 for mips32 and mips64.
894 (DCLO, DCLZ): New instructions for mips64.
895
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8962002-03-07 Chris Demetriou <cgd@broadcom.com>
897
898 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
899 immediate or code as a hex value with the "%#lx" format.
900 (ANDI): Likewise, and fix printed instruction name.
901
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9022002-03-05 Chris Demetriou <cgd@broadcom.com>
903
904 * sim-main.h (UndefinedResult, Unpredictable): New macros
905 which currently do nothing.
906
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9072002-03-05 Chris Demetriou <cgd@broadcom.com>
908
909 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
910 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
911 (status_CU3): New definitions.
912
913 * sim-main.h (ExceptionCause): Add new values for MIPS32
914 and MIPS64: MDMX, MCheck, CacheErr. Update comments
915 for DebugBreakPoint and NMIReset to note their status in
916 MIPS32 and MIPS64.
917 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
918 (SignalExceptionCacheErr): New exception macros.
919
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9202002-03-05 Chris Demetriou <cgd@broadcom.com>
921
922 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
923 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
924 is always enabled.
925 (SignalExceptionCoProcessorUnusable): Take as argument the
926 unusable coprocessor number.
927
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9282002-03-05 Chris Demetriou <cgd@broadcom.com>
929
930 * mips.igen: Fix formatting of all SignalException calls.
931
97a88e93 9322002-03-05 Chris Demetriou <cgd@broadcom.com>
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933
934 * sim-main.h (SIGNEXTEND): Remove.
935
97a88e93 9362002-03-04 Chris Demetriou <cgd@broadcom.com>
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937
938 * mips.igen: Remove gencode comment from top of file, fix
939 spelling in another comment.
940
97a88e93 9412002-03-04 Chris Demetriou <cgd@broadcom.com>
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942
943 * mips.igen (check_fmt, check_fmt_p): New functions to check
944 whether specific floating point formats are usable.
945 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
946 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
947 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
948 Use the new functions.
949 (do_c_cond_fmt): Remove format checks...
950 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
951
97a88e93 9522002-03-03 Chris Demetriou <cgd@broadcom.com>
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953
954 * mips.igen: Fix formatting of check_fpu calls.
955
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9562002-03-03 Chris Demetriou <cgd@broadcom.com>
957
958 * mips.igen (FLOOR.L.fmt): Store correct destination register.
959
4a0bd876
CD
9602002-03-03 Chris Demetriou <cgd@broadcom.com>
961
962 * mips.igen: Remove whitespace at end of lines.
963
09297648
CD
9642002-03-02 Chris Demetriou <cgd@broadcom.com>
965
966 * mips.igen (loadstore_ea): New function to do effective
967 address calculations.
968 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
969 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
970 CACHE): Use loadstore_ea to do effective address computations.
971
043b7057
CD
9722002-03-02 Chris Demetriou <cgd@broadcom.com>
973
974 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
975 * mips.igen (LL, CxC1, MxC1): Likewise.
976
c1e8ada4
CD
9772002-03-02 Chris Demetriou <cgd@broadcom.com>
978
979 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
980 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
981 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
982 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
983 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
984 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
985 Don't split opcode fields by hand, use the opcode field values
986 provided by igen.
987
3e1dca16
CD
9882002-03-01 Chris Demetriou <cgd@broadcom.com>
989
990 * mips.igen (do_divu): Fix spacing.
991
992 * mips.igen (do_dsllv): Move to be right before DSLLV,
993 to match the rest of the do_<shift> functions.
994
fff8d27d
CD
9952002-03-01 Chris Demetriou <cgd@broadcom.com>
996
997 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
998 DSRL32, do_dsrlv): Trace inputs and results.
999
0d3e762b
CD
10002002-03-01 Chris Demetriou <cgd@broadcom.com>
1001
1002 * mips.igen (CACHE): Provide instruction-printing string.
1003
1004 * interp.c (signal_exception): Comment tokens after #endif.
1005
eb5fcf93
CD
10062002-02-28 Chris Demetriou <cgd@broadcom.com>
1007
1008 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
1009 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
1010 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
1011 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
1012 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
1013 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
1014 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
1015 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
1016
bb22bd7d
CD
10172002-02-28 Chris Demetriou <cgd@broadcom.com>
1018
1019 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
1020 instruction-printing string.
1021 (LWU): Use '64' as the filter flag.
1022
91a177cf
CD
10232002-02-28 Chris Demetriou <cgd@broadcom.com>
1024
1025 * mips.igen (SDXC1): Fix instruction-printing string.
1026
387f484a
CD
10272002-02-28 Chris Demetriou <cgd@broadcom.com>
1028
1029 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
1030 filter flags "32,f".
1031
3d81f391
CD
10322002-02-27 Chris Demetriou <cgd@broadcom.com>
1033
1034 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
1035 as the filter flag.
1036
af5107af
CD
10372002-02-27 Chris Demetriou <cgd@broadcom.com>
1038
1039 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
1040 add a comma) so that it more closely match the MIPS ISA
1041 documentation opcode partitioning.
1042 (PREF): Put useful names on opcode fields, and include
1043 instruction-printing string.
1044
ca971540
CD
10452002-02-27 Chris Demetriou <cgd@broadcom.com>
1046
1047 * mips.igen (check_u64): New function which in the future will
1048 check whether 64-bit instructions are usable and signal an
1049 exception if not. Currently a no-op.
1050 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
1051 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
1052 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
1053 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
1054
1055 * mips.igen (check_fpu): New function which in the future will
1056 check whether FPU instructions are usable and signal an exception
1057 if not. Currently a no-op.
1058 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
1059 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
1060 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
1061 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
1062 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
1063 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
1064 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
1065 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
1066
1c47a468
CD
10672002-02-27 Chris Demetriou <cgd@broadcom.com>
1068
1069 * mips.igen (do_load_left, do_load_right): Move to be immediately
1070 following do_load.
1071 (do_store_left, do_store_right): Move to be immediately following
1072 do_store.
1073
603a98e7
CD
10742002-02-27 Chris Demetriou <cgd@broadcom.com>
1075
1076 * mips.igen (mipsV): New model name. Also, add it to
1077 all instructions and functions where it is appropriate.
1078
c5d00cc7
CD
10792002-02-18 Chris Demetriou <cgd@broadcom.com>
1080
1081 * mips.igen: For all functions and instructions, list model
1082 names that support that instruction one per line.
1083
074e9cb8
CD
10842002-02-11 Chris Demetriou <cgd@broadcom.com>
1085
1086 * mips.igen: Add some additional comments about supported
1087 models, and about which instructions go where.
1088 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1089 order as is used in the rest of the file.
1090
9805e229
CD
10912002-02-11 Chris Demetriou <cgd@broadcom.com>
1092
1093 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1094 indicating that ALU32_END or ALU64_END are there to check
1095 for overflow.
1096 (DADD): Likewise, but also remove previous comment about
1097 overflow checking.
1098
f701dad2
CD
10992002-02-10 Chris Demetriou <cgd@broadcom.com>
1100
1101 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1102 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1103 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1104 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1105 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1106 fields (i.e., add and move commas) so that they more closely
1107 match the MIPS ISA documentation opcode partitioning.
1108
11092002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1110
1111 * mips.igen (ADDI): Print immediate value.
1112 (BREAK): Print code.
1113 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1114 (SLL): Print "nop" specially, and don't run the code
1115 that does the shift for the "nop" case.
1116
9e52972e
FF
11172001-11-17 Fred Fish <fnf@redhat.com>
1118
1119 * sim-main.h (float_operation): Move enum declaration outside
1120 of _sim_cpu struct declaration.
1121
c0efbca4
JB
11222001-04-12 Jim Blandy <jimb@redhat.com>
1123
1124 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1125 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1126 set of the FCSR.
1127 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1128 PENDING_FILL, and you can get the intended effect gracefully by
1129 calling PENDING_SCHED directly.
1130
fb891446
BE
11312001-02-23 Ben Elliston <bje@redhat.com>
1132
1133 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1134 already defined elsewhere.
1135
8030f857
BE
11362001-02-19 Ben Elliston <bje@redhat.com>
1137
1138 * sim-main.h (sim_monitor): Return an int.
1139 * interp.c (sim_monitor): Add return values.
1140 (signal_exception): Handle error conditions from sim_monitor.
1141
56b48a7a
CD
11422001-02-08 Ben Elliston <bje@redhat.com>
1143
1144 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1145 (store_memory): Likewise, pass cia to sim_core_write*.
1146
d3ee60d9
FCE
11472000-10-19 Frank Ch. Eigler <fche@redhat.com>
1148
1149 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1150 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1151
071da002
AC
1152Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1153
1154 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1155 * Makefile.in: Don't delete *.igen when cleaning directory.
1156
a28c02cd
AC
1157Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1158
1159 * m16.igen (break): Call SignalException not sim_engine_halt.
1160
80ee11fa
AC
1161Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1162
1163 From Jason Eckhardt:
1164 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1165
673388c0
AC
1166Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1167
1168 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1169
4c0deff4
NC
11702000-05-24 Michael Hayes <mhayes@cygnus.com>
1171
1172 * mips.igen (do_dmultx): Fix typo.
1173
eb2d80b4
AC
1174Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1175
1176 * configure: Regenerated to track ../common/aclocal.m4 changes.
1177
dd37a34b
AC
1178Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1179
1180 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1181
4c0deff4
NC
11822000-04-12 Frank Ch. Eigler <fche@redhat.com>
1183
1184 * sim-main.h (GPR_CLEAR): Define macro.
1185
e30db738
AC
1186Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1187
1188 * interp.c (decode_coproc): Output long using %lx and not %s.
1189
cb7450ea
FCE
11902000-03-21 Frank Ch. Eigler <fche@redhat.com>
1191
1192 * interp.c (sim_open): Sort & extend dummy memory regions for
1193 --board=jmr3904 for eCos.
1194
a3027dd7
FCE
11952000-03-02 Frank Ch. Eigler <fche@redhat.com>
1196
1197 * configure: Regenerated.
1198
1199Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1200
1201 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1202 calls, conditional on the simulator being in verbose mode.
1203
dfcd3bfb
JM
1204Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1205
1206 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1207 cache don't get ReservedInstruction traps.
1208
c2d11a7d
JM
12091999-11-29 Mark Salter <msalter@cygnus.com>
1210
1211 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1212 to clear status bits in sdisr register. This is how the hardware works.
1213
1214 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1215 being used by cygmon.
1216
4ce44c66
JM
12171999-11-11 Andrew Haley <aph@cygnus.com>
1218
1219 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1220 instructions.
1221
cff3e48b
JM
1222Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1223
1224 * mips.igen (MULT): Correct previous mis-applied patch.
1225
d4f3574e
SS
1226Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1227
1228 * mips.igen (delayslot32): Handle sequence like
1229 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1230 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1231 (MULT): Actually pass the third register...
1232
12331999-09-03 Mark Salter <msalter@cygnus.com>
1234
1235 * interp.c (sim_open): Added more memory aliases for additional
1236 hardware being touched by cygmon on jmr3904 board.
1237
1238Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1239
1240 * configure: Regenerated to track ../common/aclocal.m4 changes.
1241
a0b3c4fd
JM
1242Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1243
1244 * interp.c (sim_store_register): Handle case where client - GDB -
1245 specifies that a 4 byte register is 8 bytes in size.
1246 (sim_fetch_register): Ditto.
1247
adf40b2e
JM
12481999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1249
1250 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1251 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1252 (idt_monitor_base): Base address for IDT monitor traps.
1253 (pmon_monitor_base): Ditto for PMON.
1254 (lsipmon_monitor_base): Ditto for LSI PMON.
1255 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1256 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1257 (sim_firmware_command): New function.
1258 (mips_option_handler): Call it for OPTION_FIRMWARE.
1259 (sim_open): Allocate memory for idt_monitor region. If "--board"
1260 option was given, add no monitor by default. Add BREAK hooks only if
1261 monitors are also there.
1262
43e526b9
JM
1263Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1264
1265 * interp.c (sim_monitor): Flush output before reading input.
1266
1267Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1268
1269 * tconfig.in (SIM_HANDLES_LMA): Always define.
1270
1271Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1272
1273 From Mark Salter <msalter@cygnus.com>:
1274 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1275 (sim_open): Add setup for BSP board.
1276
9846de1b
JM
1277Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1278
1279 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1280 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1281 them as unimplemented.
1282
cd0fc7c3
SS
12831999-05-08 Felix Lee <flee@cygnus.com>
1284
1285 * configure: Regenerated to track ../common/aclocal.m4 changes.
1286
7a292a7a
SS
12871999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1288
1289 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1290
1291Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1292
1293 * configure.in: Any mips64vr5*-*-* target should have
1294 -DTARGET_ENABLE_FR=1.
1295 (default_endian): Any mips64vr*el-*-* target should default to
1296 LITTLE_ENDIAN.
1297 * configure: Re-generate.
1298
12991999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1300
1301 * mips.igen (ldl): Extend from _16_, not 32.
1302
1303Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1304
1305 * interp.c (sim_store_register): Force registers written to by GDB
1306 into an un-interpreted state.
1307
c906108c
SS
13081999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1309
1310 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1311 CPU, start periodic background I/O polls.
1312 (tx3904sio_poll): New function: periodic I/O poller.
1313
13141998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1315
1316 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1317
1318Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1319
1320 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1321 case statement.
1322
13231998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1324
1325 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1326 (load_word): Call SIM_CORE_SIGNAL hook on error.
1327 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1328 starting. For exception dispatching, pass PC instead of NULL_CIA.
1329 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1330 * sim-main.h (COP0_BADVADDR): Define.
1331 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1332 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1333 (_sim_cpu): Add exc_* fields to store register value snapshots.
1334 * mips.igen (*): Replace memory-related SignalException* calls
1335 with references to SIM_CORE_SIGNAL hook.
1336
1337 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1338 fix.
1339 * sim-main.c (*): Minor warning cleanups.
1340
13411998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1342
1343 * m16.igen (DADDIU5): Correct type-o.
1344
1345Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1346
1347 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1348 variables.
1349
1350Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1351
1352 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1353 to include path.
1354 (interp.o): Add dependency on itable.h
1355 (oengine.c, gencode): Delete remaining references.
1356 (BUILT_SRC_FROM_GEN): Clean up.
1357
13581998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1359
1360 * vr4run.c: New.
1361 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1362 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1363 tmp-run-hack) : New.
1364 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1365 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1366 Drop the "64" qualifier to get the HACK generator working.
1367 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1368 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1369 qualifier to get the hack generator working.
1370 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1371 (DSLL): Use do_dsll.
1372 (DSLLV): Use do_dsllv.
1373 (DSRA): Use do_dsra.
1374 (DSRL): Use do_dsrl.
1375 (DSRLV): Use do_dsrlv.
1376 (BC1): Move *vr4100 to get the HACK generator working.
1377 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1378 get the HACK generator working.
1379 (MACC) Rename to get the HACK generator working.
1380 (DMACC,MACCS,DMACCS): Add the 64.
1381
13821998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1383
1384 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1385 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1386
13871998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1388
1389 * mips/interp.c (DEBUG): Cleanups.
1390
13911998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1392
1393 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1394 (tx3904sio_tickle): fflush after a stdout character output.
1395
13961998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1397
1398 * interp.c (sim_close): Uninstall modules.
1399
1400Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1401
1402 * sim-main.h, interp.c (sim_monitor): Change to global
1403 function.
1404
1405Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1406
1407 * configure.in (vr4100): Only include vr4100 instructions in
1408 simulator.
1409 * configure: Re-generate.
1410 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1411
1412Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1413
1414 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1415 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1416 true alternative.
1417
1418 * configure.in (sim_default_gen, sim_use_gen): Replace with
1419 sim_gen.
1420 (--enable-sim-igen): Delete config option. Always using IGEN.
1421 * configure: Re-generate.
1422
1423 * Makefile.in (gencode): Kill, kill, kill.
1424 * gencode.c: Ditto.
1425
1426Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1427
1428 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1429 bit mips16 igen simulator.
1430 * configure: Re-generate.
1431
1432 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1433 as part of vr4100 ISA.
1434 * vr.igen: Mark all instructions as 64 bit only.
1435
1436Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1437
1438 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1439 Pacify GCC.
1440
1441Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1442
1443 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1444 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1445 * configure: Re-generate.
1446
1447 * m16.igen (BREAK): Define breakpoint instruction.
1448 (JALX32): Mark instruction as mips16 and not r3900.
1449 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1450
1451 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1452
1453Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1454
1455 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1456 insn as a debug breakpoint.
1457
1458 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1459 pending.slot_size.
1460 (PENDING_SCHED): Clean up trace statement.
1461 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1462 (PENDING_FILL): Delay write by only one cycle.
1463 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1464
1465 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1466 of pending writes.
1467 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1468 32 & 64.
1469 (pending_tick): Move incrementing of index to FOR statement.
1470 (pending_tick): Only update PENDING_OUT after a write has occured.
1471
1472 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1473 build simulator.
1474 * configure: Re-generate.
1475
1476 * interp.c (sim_engine_run OLD): Delete explicit call to
1477 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1478
1479Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1480
1481 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1482 interrupt level number to match changed SignalExceptionInterrupt
1483 macro.
1484
1485Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1486
1487 * interp.c: #include "itable.h" if WITH_IGEN.
1488 (get_insn_name): New function.
1489 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1490 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1491
1492Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1493
1494 * configure: Rebuilt to inhale new common/aclocal.m4.
1495
1496Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1497
1498 * dv-tx3904sio.c: Include sim-assert.h.
1499
1500Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1501
1502 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1503 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1504 Reorganize target-specific sim-hardware checks.
1505 * configure: rebuilt.
1506 * interp.c (sim_open): For tx39 target boards, set
1507 OPERATING_ENVIRONMENT, add tx3904sio devices.
1508 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1509 ROM executables. Install dv-sockser into sim-modules list.
1510
1511 * dv-tx3904irc.c: Compiler warning clean-up.
1512 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1513 frequent hw-trace messages.
1514
1515Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1516
1517 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1518
1519Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1520
1521 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1522
1523 * vr.igen: New file.
1524 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1525 * mips.igen: Define vr4100 model. Include vr.igen.
1526Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1527
1528 * mips.igen (check_mf_hilo): Correct check.
1529
1530Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1531
1532 * sim-main.h (interrupt_event): Add prototype.
1533
1534 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1535 register_ptr, register_value.
1536 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1537
1538 * sim-main.h (tracefh): Make extern.
1539
1540Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1541
1542 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1543 Reduce unnecessarily high timer event frequency.
1544 * dv-tx3904cpu.c: Ditto for interrupt event.
1545
1546Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1547
1548 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1549 to allay warnings.
1550 (interrupt_event): Made non-static.
1551
1552 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1553 interchange of configuration values for external vs. internal
1554 clock dividers.
1555
1556Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1557
1558 * mips.igen (BREAK): Moved code to here for
1559 simulator-reserved break instructions.
1560 * gencode.c (build_instruction): Ditto.
1561 * interp.c (signal_exception): Code moved from here. Non-
1562 reserved instructions now use exception vector, rather
1563 than halting sim.
1564 * sim-main.h: Moved magic constants to here.
1565
1566Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1567
1568 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1569 register upon non-zero interrupt event level, clear upon zero
1570 event value.
1571 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1572 by passing zero event value.
1573 (*_io_{read,write}_buffer): Endianness fixes.
1574 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1575 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1576
1577 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1578 serial I/O and timer module at base address 0xFFFF0000.
1579
1580Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1581
1582 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1583 and BigEndianCPU.
1584
1585Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1586
1587 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1588 parts.
1589 * configure: Update.
1590
1591Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1592
1593 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1594 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1595 * configure.in: Include tx3904tmr in hw_device list.
1596 * configure: Rebuilt.
1597 * interp.c (sim_open): Instantiate three timer instances.
1598 Fix address typo of tx3904irc instance.
1599
1600Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1601
1602 * interp.c (signal_exception): SystemCall exception now uses
1603 the exception vector.
1604
1605Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1606
1607 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1608 to allay warnings.
1609
1610Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1611
1612 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1613
1614Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1615
1616 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1617
1618 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1619 sim-main.h. Declare a struct hw_descriptor instead of struct
1620 hw_device_descriptor.
1621
1622Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1623
1624 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1625 right bits and then re-align left hand bytes to correct byte
1626 lanes. Fix incorrect computation in do_store_left when loading
1627 bytes from second word.
1628
1629Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1630
1631 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1632 * interp.c (sim_open): Only create a device tree when HW is
1633 enabled.
1634
1635 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1636 * interp.c (signal_exception): Ditto.
1637
1638Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1639
1640 * gencode.c: Mark BEGEZALL as LIKELY.
1641
1642Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1643
1644 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1645 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1646
1647Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1648
1649 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1650 modules. Recognize TX39 target with "mips*tx39" pattern.
1651 * configure: Rebuilt.
1652 * sim-main.h (*): Added many macros defining bits in
1653 TX39 control registers.
1654 (SignalInterrupt): Send actual PC instead of NULL.
1655 (SignalNMIReset): New exception type.
1656 * interp.c (board): New variable for future use to identify
1657 a particular board being simulated.
1658 (mips_option_handler,mips_options): Added "--board" option.
1659 (interrupt_event): Send actual PC.
1660 (sim_open): Make memory layout conditional on board setting.
1661 (signal_exception): Initial implementation of hardware interrupt
1662 handling. Accept another break instruction variant for simulator
1663 exit.
1664 (decode_coproc): Implement RFE instruction for TX39.
1665 (mips.igen): Decode RFE instruction as such.
1666 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1667 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1668 bbegin to implement memory map.
1669 * dv-tx3904cpu.c: New file.
1670 * dv-tx3904irc.c: New file.
1671
1672Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1673
1674 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1675
1676Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1677
1678 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1679 with calls to check_div_hilo.
1680
1681Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1682
1683 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1684 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1685 Add special r3900 version of do_mult_hilo.
1686 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1687 with calls to check_mult_hilo.
1688 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1689 with calls to check_div_hilo.
1690
1691Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1692
1693 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1694 Document a replacement.
1695
1696Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1697
1698 * interp.c (sim_monitor): Make mon_printf work.
1699
1700Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1701
1702 * sim-main.h (INSN_NAME): New arg `cpu'.
1703
1704Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1705
1706 * configure: Regenerated to track ../common/aclocal.m4 changes.
1707
1708Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1709
1710 * configure: Regenerated to track ../common/aclocal.m4 changes.
1711 * config.in: Ditto.
1712
1713Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1714
1715 * acconfig.h: New file.
1716 * configure.in: Reverted change of Apr 24; use sinclude again.
1717
1718Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1719
1720 * configure: Regenerated to track ../common/aclocal.m4 changes.
1721 * config.in: Ditto.
1722
1723Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1724
1725 * configure.in: Don't call sinclude.
1726
1727Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1728
1729 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1730
1731Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1732
1733 * mips.igen (ERET): Implement.
1734
1735 * interp.c (decode_coproc): Return sign-extended EPC.
1736
1737 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1738
1739 * interp.c (signal_exception): Do not ignore Trap.
1740 (signal_exception): On TRAP, restart at exception address.
1741 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1742 (signal_exception): Update.
1743 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1744 so that TRAP instructions are caught.
1745
1746Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1747
1748 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1749 contains HI/LO access history.
1750 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1751 (HIACCESS, LOACCESS): Delete, replace with
1752 (HIHISTORY, LOHISTORY): New macros.
1753 (CHECKHILO): Delete all, moved to mips.igen
1754
1755 * gencode.c (build_instruction): Do not generate checks for
1756 correct HI/LO register usage.
1757
1758 * interp.c (old_engine_run): Delete checks for correct HI/LO
1759 register usage.
1760
1761 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1762 check_mf_cycles): New functions.
1763 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1764 do_divu, domultx, do_mult, do_multu): Use.
1765
1766 * tx.igen ("madd", "maddu"): Use.
1767
1768Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1769
1770 * mips.igen (DSRAV): Use function do_dsrav.
1771 (SRAV): Use new function do_srav.
1772
1773 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1774 (B): Sign extend 11 bit immediate.
1775 (EXT-B*): Shift 16 bit immediate left by 1.
1776 (ADDIU*): Don't sign extend immediate value.
1777
1778Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1779
1780 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1781
1782 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1783 functions.
1784
1785 * mips.igen (delayslot32, nullify_next_insn): New functions.
1786 (m16.igen): Always include.
1787 (do_*): Add more tracing.
1788
1789 * m16.igen (delayslot16): Add NIA argument, could be called by a
1790 32 bit MIPS16 instruction.
1791
1792 * interp.c (ifetch16): Move function from here.
1793 * sim-main.c (ifetch16): To here.
1794
1795 * sim-main.c (ifetch16, ifetch32): Update to match current
1796 implementations of LH, LW.
1797 (signal_exception): Don't print out incorrect hex value of illegal
1798 instruction.
1799
1800Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1801
1802 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1803 instruction.
1804
1805 * m16.igen: Implement MIPS16 instructions.
1806
1807 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1808 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1809 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1810 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1811 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1812 bodies of corresponding code from 32 bit insn to these. Also used
1813 by MIPS16 versions of functions.
1814
1815 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1816 (IMEM16): Drop NR argument from macro.
1817
1818Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1819
1820 * Makefile.in (SIM_OBJS): Add sim-main.o.
1821
1822 * sim-main.h (address_translation, load_memory, store_memory,
1823 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1824 as INLINE_SIM_MAIN.
1825 (pr_addr, pr_uword64): Declare.
1826 (sim-main.c): Include when H_REVEALS_MODULE_P.
1827
1828 * interp.c (address_translation, load_memory, store_memory,
1829 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1830 from here.
1831 * sim-main.c: To here. Fix compilation problems.
1832
1833 * configure.in: Enable inlining.
1834 * configure: Re-config.
1835
1836Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1837
1838 * configure: Regenerated to track ../common/aclocal.m4 changes.
1839
1840Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1841
1842 * mips.igen: Include tx.igen.
1843 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1844 * tx.igen: New file, contains MADD and MADDU.
1845
1846 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1847 the hardwired constant `7'.
1848 (store_memory): Ditto.
1849 (LOADDRMASK): Move definition to sim-main.h.
1850
1851 mips.igen (MTC0): Enable for r3900.
1852 (ADDU): Add trace.
1853
1854 mips.igen (do_load_byte): Delete.
1855 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1856 do_store_right): New functions.
1857 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1858
1859 configure.in: Let the tx39 use igen again.
1860 configure: Update.
1861
1862Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1863
1864 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1865 not an address sized quantity. Return zero for cache sizes.
1866
1867Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1868
1869 * mips.igen (r3900): r3900 does not support 64 bit integer
1870 operations.
1871
1872Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1873
1874 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1875 than igen one.
1876 * configure : Rebuild.
1877
1878Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1879
1880 * configure: Regenerated to track ../common/aclocal.m4 changes.
1881
1882Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1883
1884 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1885
1886Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1887
1888 * configure: Regenerated to track ../common/aclocal.m4 changes.
1889 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1890
1891Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1892
1893 * configure: Regenerated to track ../common/aclocal.m4 changes.
1894
1895Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1896
1897 * interp.c (Max, Min): Comment out functions. Not yet used.
1898
1899Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1900
1901 * configure: Regenerated to track ../common/aclocal.m4 changes.
1902
1903Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1904
1905 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1906 configurable settings for stand-alone simulator.
1907
1908 * configure.in: Added X11 search, just in case.
1909
1910 * configure: Regenerated.
1911
1912Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1913
1914 * interp.c (sim_write, sim_read, load_memory, store_memory):
1915 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1916
1917Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1918
1919 * sim-main.h (GETFCC): Return an unsigned value.
1920
1921Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1922
1923 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1924 (DADD): Result destination is RD not RT.
1925
1926Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1927
1928 * sim-main.h (HIACCESS, LOACCESS): Always define.
1929
1930 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1931
1932 * interp.c (sim_info): Delete.
1933
1934Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1935
1936 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1937 (mips_option_handler): New argument `cpu'.
1938 (sim_open): Update call to sim_add_option_table.
1939
1940Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1941
1942 * mips.igen (CxC1): Add tracing.
1943
1944Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1945
1946 * sim-main.h (Max, Min): Declare.
1947
1948 * interp.c (Max, Min): New functions.
1949
1950 * mips.igen (BC1): Add tracing.
1951
1952Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1953
1954 * interp.c Added memory map for stack in vr4100
1955
1956Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1957
1958 * interp.c (load_memory): Add missing "break"'s.
1959
1960Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1961
1962 * interp.c (sim_store_register, sim_fetch_register): Pass in
1963 length parameter. Return -1.
1964
1965Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1966
1967 * interp.c: Added hardware init hook, fixed warnings.
1968
1969Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1970
1971 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1972
1973Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1974
1975 * interp.c (ifetch16): New function.
1976
1977 * sim-main.h (IMEM32): Rename IMEM.
1978 (IMEM16_IMMED): Define.
1979 (IMEM16): Define.
1980 (DELAY_SLOT): Update.
1981
1982 * m16run.c (sim_engine_run): New file.
1983
1984 * m16.igen: All instructions except LB.
1985 (LB): Call do_load_byte.
1986 * mips.igen (do_load_byte): New function.
1987 (LB): Call do_load_byte.
1988
1989 * mips.igen: Move spec for insn bit size and high bit from here.
1990 * Makefile.in (tmp-igen, tmp-m16): To here.
1991
1992 * m16.dc: New file, decode mips16 instructions.
1993
1994 * Makefile.in (SIM_NO_ALL): Define.
1995 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1996
1997Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1998
1999 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
2000 point unit to 32 bit registers.
2001 * configure: Re-generate.
2002
2003Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
2004
2005 * configure.in (sim_use_gen): Make IGEN the default simulator
2006 generator for generic 32 and 64 bit mips targets.
2007 * configure: Re-generate.
2008
2009Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
2010
2011 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
2012 bitsize.
2013
2014 * interp.c (sim_fetch_register, sim_store_register): Read/write
2015 FGR from correct location.
2016 (sim_open): Set size of FGR's according to
2017 WITH_TARGET_FLOATING_POINT_BITSIZE.
2018
2019 * sim-main.h (FGR): Store floating point registers in a separate
2020 array.
2021
2022Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
2023
2024 * configure: Regenerated to track ../common/aclocal.m4 changes.
2025
2026Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
2027
2028 * interp.c (ColdReset): Call PENDING_INVALIDATE.
2029
2030 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
2031
2032 * interp.c (pending_tick): New function. Deliver pending writes.
2033
2034 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
2035 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
2036 it can handle mixed sized quantites and single bits.
2037
2038Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
2039
2040 * interp.c (oengine.h): Do not include when building with IGEN.
2041 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
2042 (sim_info): Ditto for PROCESSOR_64BIT.
2043 (sim_monitor): Replace ut_reg with unsigned_word.
2044 (*): Ditto for t_reg.
2045 (LOADDRMASK): Define.
2046 (sim_open): Remove defunct check that host FP is IEEE compliant,
2047 using software to emulate floating point.
2048 (value_fpr, ...): Always compile, was conditional on HASFPU.
2049
2050Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
2051
2052 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
2053 size.
2054
2055 * interp.c (SD, CPU): Define.
2056 (mips_option_handler): Set flags in each CPU.
2057 (interrupt_event): Assume CPU 0 is the one being iterrupted.
2058 (sim_close): Do not clear STATE, deleted anyway.
2059 (sim_write, sim_read): Assume CPU zero's vm should be used for
2060 data transfers.
2061 (sim_create_inferior): Set the PC for all processors.
2062 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
2063 argument.
2064 (mips16_entry): Pass correct nr of args to store_word, load_word.
2065 (ColdReset): Cold reset all cpu's.
2066 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
2067 (sim_monitor, load_memory, store_memory, signal_exception): Use
2068 `CPU' instead of STATE_CPU.
2069
2070
2071 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
2072 SD or CPU_.
2073
2074 * sim-main.h (signal_exception): Add sim_cpu arg.
2075 (SignalException*): Pass both SD and CPU to signal_exception.
2076 * interp.c (signal_exception): Update.
2077
2078 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
2079 Ditto
2080 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2081 address_translation): Ditto
2082 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
2083
2084Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2085
2086 * configure: Regenerated to track ../common/aclocal.m4 changes.
2087
2088Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2089
2090 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2091
2092 * mips.igen (model): Map processor names onto BFD name.
2093
2094 * sim-main.h (CPU_CIA): Delete.
2095 (SET_CIA, GET_CIA): Define
2096
2097Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2098
2099 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2100 regiser.
2101
2102 * configure.in (default_endian): Configure a big-endian simulator
2103 by default.
2104 * configure: Re-generate.
2105
2106Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2107
2108 * configure: Regenerated to track ../common/aclocal.m4 changes.
2109
2110Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2111
2112 * interp.c (sim_monitor): Handle Densan monitor outbyte
2113 and inbyte functions.
2114
21151997-12-29 Felix Lee <flee@cygnus.com>
2116
2117 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2118
2119Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2120
2121 * Makefile.in (tmp-igen): Arrange for $zero to always be
2122 reset to zero after every instruction.
2123
2124Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2125
2126 * configure: Regenerated to track ../common/aclocal.m4 changes.
2127 * config.in: Ditto.
2128
2129Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2130
2131 * mips.igen (MSUB): Fix to work like MADD.
2132 * gencode.c (MSUB): Similarly.
2133
2134Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2135
2136 * configure: Regenerated to track ../common/aclocal.m4 changes.
2137
2138Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2139
2140 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2141
2142Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2143
2144 * sim-main.h (sim-fpu.h): Include.
2145
2146 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2147 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2148 using host independant sim_fpu module.
2149
2150Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2151
2152 * interp.c (signal_exception): Report internal errors with SIGABRT
2153 not SIGQUIT.
2154
2155 * sim-main.h (C0_CONFIG): New register.
2156 (signal.h): No longer include.
2157
2158 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2159
2160Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2161
2162 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2163
2164Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2165
2166 * mips.igen: Tag vr5000 instructions.
2167 (ANDI): Was missing mipsIV model, fix assembler syntax.
2168 (do_c_cond_fmt): New function.
2169 (C.cond.fmt): Handle mips I-III which do not support CC field
2170 separatly.
2171 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2172 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2173 in IV3.2 spec.
2174 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2175 vr5000 which saves LO in a GPR separatly.
2176
2177 * configure.in (enable-sim-igen): For vr5000, select vr5000
2178 specific instructions.
2179 * configure: Re-generate.
2180
2181Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2182
2183 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2184
2185 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2186 fmt_uninterpreted_64 bit cases to switch. Convert to
2187 fmt_formatted,
2188
2189 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2190
2191 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2192 as specified in IV3.2 spec.
2193 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2194
2195Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2196
2197 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2198 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2199 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2200 PENDING_FILL versions of instructions. Simplify.
2201 (X): New function.
2202 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2203 instructions.
2204 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2205 a signed value.
2206 (MTHI, MFHI): Disable code checking HI-LO.
2207
2208 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2209 global.
2210 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2211
2212Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2213
2214 * gencode.c (build_mips16_operands): Replace IPC with cia.
2215
2216 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2217 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2218 IPC to `cia'.
2219 (UndefinedResult): Replace function with macro/function
2220 combination.
2221 (sim_engine_run): Don't save PC in IPC.
2222
2223 * sim-main.h (IPC): Delete.
2224
2225
2226 * interp.c (signal_exception, store_word, load_word,
2227 address_translation, load_memory, store_memory, cache_op,
2228 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2229 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2230 current instruction address - cia - argument.
2231 (sim_read, sim_write): Call address_translation directly.
2232 (sim_engine_run): Rename variable vaddr to cia.
2233 (signal_exception): Pass cia to sim_monitor
2234
2235 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2236 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2237 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2238
2239 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2240 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2241 SIM_ASSERT.
2242
2243 * interp.c (signal_exception): Pass restart address to
2244 sim_engine_restart.
2245
2246 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2247 idecode.o): Add dependency.
2248
2249 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2250 Delete definitions
2251 (DELAY_SLOT): Update NIA not PC with branch address.
2252 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2253
2254 * mips.igen: Use CIA not PC in branch calculations.
2255 (illegal): Call SignalException.
2256 (BEQ, ADDIU): Fix assembler.
2257
2258Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2259
2260 * m16.igen (JALX): Was missing.
2261
2262 * configure.in (enable-sim-igen): New configuration option.
2263 * configure: Re-generate.
2264
2265 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2266
2267 * interp.c (load_memory, store_memory): Delete parameter RAW.
2268 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2269 bypassing {load,store}_memory.
2270
2271 * sim-main.h (ByteSwapMem): Delete definition.
2272
2273 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2274
2275 * interp.c (sim_do_command, sim_commands): Delete mips specific
2276 commands. Handled by module sim-options.
2277
2278 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2279 (WITH_MODULO_MEMORY): Define.
2280
2281 * interp.c (sim_info): Delete code printing memory size.
2282
2283 * interp.c (mips_size): Nee sim_size, delete function.
2284 (power2): Delete.
2285 (monitor, monitor_base, monitor_size): Delete global variables.
2286 (sim_open, sim_close): Delete code creating monitor and other
2287 memory regions. Use sim-memopts module, via sim_do_commandf, to
2288 manage memory regions.
2289 (load_memory, store_memory): Use sim-core for memory model.
2290
2291 * interp.c (address_translation): Delete all memory map code
2292 except line forcing 32 bit addresses.
2293
2294Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2295
2296 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2297 trace options.
2298
2299 * interp.c (logfh, logfile): Delete globals.
2300 (sim_open, sim_close): Delete code opening & closing log file.
2301 (mips_option_handler): Delete -l and -n options.
2302 (OPTION mips_options): Ditto.
2303
2304 * interp.c (OPTION mips_options): Rename option trace to dinero.
2305 (mips_option_handler): Update.
2306
2307Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2308
2309 * interp.c (fetch_str): New function.
2310 (sim_monitor): Rewrite using sim_read & sim_write.
2311 (sim_open): Check magic number.
2312 (sim_open): Write monitor vectors into memory using sim_write.
2313 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2314 (sim_read, sim_write): Simplify - transfer data one byte at a
2315 time.
2316 (load_memory, store_memory): Clarify meaning of parameter RAW.
2317
2318 * sim-main.h (isHOST): Defete definition.
2319 (isTARGET): Mark as depreciated.
2320 (address_translation): Delete parameter HOST.
2321
2322 * interp.c (address_translation): Delete parameter HOST.
2323
2324Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2325
2326 * mips.igen:
2327
2328 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2329 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2330
2331Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2332
2333 * mips.igen: Add model filter field to records.
2334
2335Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2336
2337 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2338
2339 interp.c (sim_engine_run): Do not compile function sim_engine_run
2340 when WITH_IGEN == 1.
2341
2342 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2343 target architecture.
2344
2345 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2346 igen. Replace with configuration variables sim_igen_flags /
2347 sim_m16_flags.
2348
2349 * m16.igen: New file. Copy mips16 insns here.
2350 * mips.igen: From here.
2351
2352Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2353
2354 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2355 to top.
2356 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2357
2358Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2359
2360 * gencode.c (build_instruction): Follow sim_write's lead in using
2361 BigEndianMem instead of !ByteSwapMem.
2362
2363Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2364
2365 * configure.in (sim_gen): Dependent on target, select type of
2366 generator. Always select old style generator.
2367
2368 configure: Re-generate.
2369
2370 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2371 targets.
2372 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2373 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2374 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2375 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2376 SIM_@sim_gen@_*, set by autoconf.
2377
2378Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2379
2380 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2381
2382 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2383 CURRENT_FLOATING_POINT instead.
2384
2385 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2386 (address_translation): Raise exception InstructionFetch when
2387 translation fails and isINSTRUCTION.
2388
2389 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2390 sim_engine_run): Change type of of vaddr and paddr to
2391 address_word.
2392 (address_translation, prefetch, load_memory, store_memory,
2393 cache_op): Change type of vAddr and pAddr to address_word.
2394
2395 * gencode.c (build_instruction): Change type of vaddr and paddr to
2396 address_word.
2397
2398Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2399
2400 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2401 macro to obtain result of ALU op.
2402
2403Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2404
2405 * interp.c (sim_info): Call profile_print.
2406
2407Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2408
2409 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2410
2411 * sim-main.h (WITH_PROFILE): Do not define, defined in
2412 common/sim-config.h. Use sim-profile module.
2413 (simPROFILE): Delete defintion.
2414
2415 * interp.c (PROFILE): Delete definition.
2416 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2417 (sim_close): Delete code writing profile histogram.
2418 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2419 Delete.
2420 (sim_engine_run): Delete code profiling the PC.
2421
2422Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2423
2424 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2425
2426 * interp.c (sim_monitor): Make register pointers of type
2427 unsigned_word*.
2428
2429 * sim-main.h: Make registers of type unsigned_word not
2430 signed_word.
2431
2432Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2433
2434 * interp.c (sync_operation): Rename from SyncOperation, make
2435 global, add SD argument.
2436 (prefetch): Rename from Prefetch, make global, add SD argument.
2437 (decode_coproc): Make global.
2438
2439 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2440
2441 * gencode.c (build_instruction): Generate DecodeCoproc not
2442 decode_coproc calls.
2443
2444 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2445 (SizeFGR): Move to sim-main.h
2446 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2447 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2448 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2449 sim-main.h.
2450 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2451 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2452 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2453 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2454 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2455 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2456
2457 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2458 exception.
2459 (sim-alu.h): Include.
2460 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2461 (sim_cia): Typedef to instruction_address.
2462
2463Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2464
2465 * Makefile.in (interp.o): Rename generated file engine.c to
2466 oengine.c.
2467
2468 * interp.c: Update.
2469
2470Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2471
2472 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2473
2474Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2475
2476 * gencode.c (build_instruction): For "FPSQRT", output correct
2477 number of arguments to Recip.
2478
2479Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2480
2481 * Makefile.in (interp.o): Depends on sim-main.h
2482
2483 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2484
2485 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2486 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2487 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2488 STATE, DSSTATE): Define
2489 (GPR, FGRIDX, ..): Define.
2490
2491 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2492 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2493 (GPR, FGRIDX, ...): Delete macros.
2494
2495 * interp.c: Update names to match defines from sim-main.h
2496
2497Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2498
2499 * interp.c (sim_monitor): Add SD argument.
2500 (sim_warning): Delete. Replace calls with calls to
2501 sim_io_eprintf.
2502 (sim_error): Delete. Replace calls with sim_io_error.
2503 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2504 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2505 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2506 argument.
2507 (mips_size): Rename from sim_size. Add SD argument.
2508
2509 * interp.c (simulator): Delete global variable.
2510 (callback): Delete global variable.
2511 (mips_option_handler, sim_open, sim_write, sim_read,
2512 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2513 sim_size,sim_monitor): Use sim_io_* not callback->*.
2514 (sim_open): ZALLOC simulator struct.
2515 (PROFILE): Do not define.
2516
2517Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2518
2519 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2520 support.h with corresponding code.
2521
2522 * sim-main.h (word64, uword64), support.h: Move definition to
2523 sim-main.h.
2524 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2525
2526 * support.h: Delete
2527 * Makefile.in: Update dependencies
2528 * interp.c: Do not include.
2529
2530Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2531
2532 * interp.c (address_translation, load_memory, store_memory,
2533 cache_op): Rename to from AddressTranslation et.al., make global,
2534 add SD argument
2535
2536 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2537 CacheOp): Define.
2538
2539 * interp.c (SignalException): Rename to signal_exception, make
2540 global.
2541
2542 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2543
2544 * sim-main.h (SignalException, SignalExceptionInterrupt,
2545 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2546 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2547 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2548 Define.
2549
2550 * interp.c, support.h: Use.
2551
2552Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2553
2554 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2555 to value_fpr / store_fpr. Add SD argument.
2556 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2557 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2558
2559 * sim-main.h (ValueFPR, StoreFPR): Define.
2560
2561Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2562
2563 * interp.c (sim_engine_run): Check consistency between configure
2564 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2565 and HASFPU.
2566
2567 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2568 (mips_fpu): Configure WITH_FLOATING_POINT.
2569 (mips_endian): Configure WITH_TARGET_ENDIAN.
2570 * configure: Update.
2571
2572Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2573
2574 * configure: Regenerated to track ../common/aclocal.m4 changes.
2575
2576Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2577
2578 * configure: Regenerated.
2579
2580Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2581
2582 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2583
2584Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2585
2586 * gencode.c (print_igen_insn_models): Assume certain architectures
2587 include all mips* instructions.
2588 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2589 instruction.
2590
2591 * Makefile.in (tmp.igen): Add target. Generate igen input from
2592 gencode file.
2593
2594 * gencode.c (FEATURE_IGEN): Define.
2595 (main): Add --igen option. Generate output in igen format.
2596 (process_instructions): Format output according to igen option.
2597 (print_igen_insn_format): New function.
2598 (print_igen_insn_models): New function.
2599 (process_instructions): Only issue warnings and ignore
2600 instructions when no FEATURE_IGEN.
2601
2602Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2603
2604 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2605 MIPS targets.
2606
2607Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2608
2609 * configure: Regenerated to track ../common/aclocal.m4 changes.
2610
2611Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2612
2613 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2614 SIM_RESERVED_BITS): Delete, moved to common.
2615 (SIM_EXTRA_CFLAGS): Update.
2616
2617Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2618
2619 * configure.in: Configure non-strict memory alignment.
2620 * configure: Regenerated to track ../common/aclocal.m4 changes.
2621
2622Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2623
2624 * configure: Regenerated to track ../common/aclocal.m4 changes.
2625
2626Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2627
2628 * gencode.c (SDBBP,DERET): Added (3900) insns.
2629 (RFE): Turn on for 3900.
2630 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2631 (dsstate): Made global.
2632 (SUBTARGET_R3900): Added.
2633 (CANCELDELAYSLOT): New.
2634 (SignalException): Ignore SystemCall rather than ignore and
2635 terminate. Add DebugBreakPoint handling.
2636 (decode_coproc): New insns RFE, DERET; and new registers Debug
2637 and DEPC protected by SUBTARGET_R3900.
2638 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2639 bits explicitly.
2640 * Makefile.in,configure.in: Add mips subtarget option.
2641 * configure: Update.
2642
2643Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2644
2645 * gencode.c: Add r3900 (tx39).
2646
2647
2648Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2649
2650 * gencode.c (build_instruction): Don't need to subtract 4 for
2651 JALR, just 2.
2652
2653Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2654
2655 * interp.c: Correct some HASFPU problems.
2656
2657Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2658
2659 * configure: Regenerated to track ../common/aclocal.m4 changes.
2660
2661Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2662
2663 * interp.c (mips_options): Fix samples option short form, should
2664 be `x'.
2665
2666Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2667
2668 * interp.c (sim_info): Enable info code. Was just returning.
2669
2670Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2671
2672 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2673 MFC0.
2674
2675Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2676
2677 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2678 constants.
2679 (build_instruction): Ditto for LL.
2680
2681Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2682
2683 * configure: Regenerated to track ../common/aclocal.m4 changes.
2684
2685Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2686
2687 * configure: Regenerated to track ../common/aclocal.m4 changes.
2688 * config.in: Ditto.
2689
2690Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2691
2692 * interp.c (sim_open): Add call to sim_analyze_program, update
2693 call to sim_config.
2694
2695Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2696
2697 * interp.c (sim_kill): Delete.
2698 (sim_create_inferior): Add ABFD argument. Set PC from same.
2699 (sim_load): Move code initializing trap handlers from here.
2700 (sim_open): To here.
2701 (sim_load): Delete, use sim-hload.c.
2702
2703 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2704
2705Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2706
2707 * configure: Regenerated to track ../common/aclocal.m4 changes.
2708 * config.in: Ditto.
2709
2710Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2711
2712 * interp.c (sim_open): Add ABFD argument.
2713 (sim_load): Move call to sim_config from here.
2714 (sim_open): To here. Check return status.
2715
2716Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2717
2718 * gencode.c (build_instruction): Two arg MADD should
2719 not assign result to $0.
2720
2721Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2722
2723 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2724 * sim/mips/configure.in: Regenerate.
2725
2726Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2727
2728 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2729 signed8, unsigned8 et.al. types.
2730
2731 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2732 hosts when selecting subreg.
2733
2734Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2735
2736 * interp.c (sim_engine_run): Reset the ZERO register to zero
2737 regardless of FEATURE_WARN_ZERO.
2738 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2739
2740Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2741
2742 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2743 (SignalException): For BreakPoints ignore any mode bits and just
2744 save the PC.
2745 (SignalException): Always set the CAUSE register.
2746
2747Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2748
2749 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2750 exception has been taken.
2751
2752 * interp.c: Implement the ERET and mt/f sr instructions.
2753
2754Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2755
2756 * interp.c (SignalException): Don't bother restarting an
2757 interrupt.
2758
2759Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2760
2761 * interp.c (SignalException): Really take an interrupt.
2762 (interrupt_event): Only deliver interrupts when enabled.
2763
2764Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2765
2766 * interp.c (sim_info): Only print info when verbose.
2767 (sim_info) Use sim_io_printf for output.
2768
2769Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2770
2771 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2772 mips architectures.
2773
2774Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2775
2776 * interp.c (sim_do_command): Check for common commands if a
2777 simulator specific command fails.
2778
2779Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2780
2781 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2782 and simBE when DEBUG is defined.
2783
2784Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2785
2786 * interp.c (interrupt_event): New function. Pass exception event
2787 onto exception handler.
2788
2789 * configure.in: Check for stdlib.h.
2790 * configure: Regenerate.
2791
2792 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2793 variable declaration.
2794 (build_instruction): Initialize memval1.
2795 (build_instruction): Add UNUSED attribute to byte, bigend,
2796 reverse.
2797 (build_operands): Ditto.
2798
2799 * interp.c: Fix GCC warnings.
2800 (sim_get_quit_code): Delete.
2801
2802 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2803 * Makefile.in: Ditto.
2804 * configure: Re-generate.
2805
2806 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2807
2808Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2809
2810 * interp.c (mips_option_handler): New function parse argumes using
2811 sim-options.
2812 (myname): Replace with STATE_MY_NAME.
2813 (sim_open): Delete check for host endianness - performed by
2814 sim_config.
2815 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2816 (sim_open): Move much of the initialization from here.
2817 (sim_load): To here. After the image has been loaded and
2818 endianness set.
2819 (sim_open): Move ColdReset from here.
2820 (sim_create_inferior): To here.
2821 (sim_open): Make FP check less dependant on host endianness.
2822
2823 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2824 run.
2825 * interp.c (sim_set_callbacks): Delete.
2826
2827 * interp.c (membank, membank_base, membank_size): Replace with
2828 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2829 (sim_open): Remove call to callback->init. gdb/run do this.
2830
2831 * interp.c: Update
2832
2833 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2834
2835 * interp.c (big_endian_p): Delete, replaced by
2836 current_target_byte_order.
2837
2838Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2839
2840 * interp.c (host_read_long, host_read_word, host_swap_word,
2841 host_swap_long): Delete. Using common sim-endian.
2842 (sim_fetch_register, sim_store_register): Use H2T.
2843 (pipeline_ticks): Delete. Handled by sim-events.
2844 (sim_info): Update.
2845 (sim_engine_run): Update.
2846
2847Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2848
2849 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2850 reason from here.
2851 (SignalException): To here. Signal using sim_engine_halt.
2852 (sim_stop_reason): Delete, moved to common.
2853
2854Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2855
2856 * interp.c (sim_open): Add callback argument.
2857 (sim_set_callbacks): Delete SIM_DESC argument.
2858 (sim_size): Ditto.
2859
2860Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2861
2862 * Makefile.in (SIM_OBJS): Add common modules.
2863
2864 * interp.c (sim_set_callbacks): Also set SD callback.
2865 (set_endianness, xfer_*, swap_*): Delete.
2866 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2867 Change to functions using sim-endian macros.
2868 (control_c, sim_stop): Delete, use common version.
2869 (simulate): Convert into.
2870 (sim_engine_run): This function.
2871 (sim_resume): Delete.
2872
2873 * interp.c (simulation): New variable - the simulator object.
2874 (sim_kind): Delete global - merged into simulation.
2875 (sim_load): Cleanup. Move PC assignment from here.
2876 (sim_create_inferior): To here.
2877
2878 * sim-main.h: New file.
2879 * interp.c (sim-main.h): Include.
2880
2881Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2882
2883 * configure: Regenerated to track ../common/aclocal.m4 changes.
2884
2885Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2886
2887 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2888
2889Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2890
2891 * gencode.c (build_instruction): DIV instructions: check
2892 for division by zero and integer overflow before using
2893 host's division operation.
2894
2895Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2896
2897 * Makefile.in (SIM_OBJS): Add sim-load.o.
2898 * interp.c: #include bfd.h.
2899 (target_byte_order): Delete.
2900 (sim_kind, myname, big_endian_p): New static locals.
2901 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2902 after argument parsing. Recognize -E arg, set endianness accordingly.
2903 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2904 load file into simulator. Set PC from bfd.
2905 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2906 (set_endianness): Use big_endian_p instead of target_byte_order.
2907
2908Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2909
2910 * interp.c (sim_size): Delete prototype - conflicts with
2911 definition in remote-sim.h. Correct definition.
2912
2913Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2914
2915 * configure: Regenerated to track ../common/aclocal.m4 changes.
2916 * config.in: Ditto.
2917
2918Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2919
2920 * interp.c (sim_open): New arg `kind'.
2921
2922 * configure: Regenerated to track ../common/aclocal.m4 changes.
2923
2924Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2925
2926 * configure: Regenerated to track ../common/aclocal.m4 changes.
2927
2928Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2929
2930 * interp.c (sim_open): Set optind to 0 before calling getopt.
2931
2932Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2933
2934 * configure: Regenerated to track ../common/aclocal.m4 changes.
2935
2936Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2937
2938 * interp.c : Replace uses of pr_addr with pr_uword64
2939 where the bit length is always 64 independent of SIM_ADDR.
2940 (pr_uword64) : added.
2941
2942Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2943
2944 * configure: Re-generate.
2945
2946Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2947
2948 * configure: Regenerate to track ../common/aclocal.m4 changes.
2949
2950Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2951
2952 * interp.c (sim_open): New SIM_DESC result. Argument is now
2953 in argv form.
2954 (other sim_*): New SIM_DESC argument.
2955
2956Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2957
2958 * interp.c: Fix printing of addresses for non-64-bit targets.
2959 (pr_addr): Add function to print address based on size.
2960
2961Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2962
2963 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2964
2965Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2966
2967 * gencode.c (build_mips16_operands): Correct computation of base
2968 address for extended PC relative instruction.
2969
2970Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2971
2972 * interp.c (mips16_entry): Add support for floating point cases.
2973 (SignalException): Pass floating point cases to mips16_entry.
2974 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2975 registers.
2976 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2977 or fmt_word.
2978 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2979 and then set the state to fmt_uninterpreted.
2980 (COP_SW): Temporarily set the state to fmt_word while calling
2981 ValueFPR.
2982
2983Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2984
2985 * gencode.c (build_instruction): The high order may be set in the
2986 comparison flags at any ISA level, not just ISA 4.
2987
2988Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2989
2990 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2991 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2992 * configure.in: sinclude ../common/aclocal.m4.
2993 * configure: Regenerated.
2994
2995Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2996
2997 * configure: Rebuild after change to aclocal.m4.
2998
2999Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
3000
3001 * configure configure.in Makefile.in: Update to new configure
3002 scheme which is more compatible with WinGDB builds.
3003 * configure.in: Improve comment on how to run autoconf.
3004 * configure: Re-run autoconf to get new ../common/aclocal.m4.
3005 * Makefile.in: Use autoconf substitution to install common
3006 makefile fragment.
3007
3008Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
3009
3010 * gencode.c (build_instruction): Use BigEndianCPU instead of
3011 ByteSwapMem.
3012
3013Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
3014
3015 * interp.c (sim_monitor): Make output to stdout visible in
3016 wingdb's I/O log window.
3017
3018Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
3019
3020 * support.h: Undo previous change to SIGTRAP
3021 and SIGQUIT values.
3022
3023Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
3024
3025 * interp.c (store_word, load_word): New static functions.
3026 (mips16_entry): New static function.
3027 (SignalException): Look for mips16 entry and exit instructions.
3028 (simulate): Use the correct index when setting fpr_state after
3029 doing a pending move.
3030
3031Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
3032
3033 * interp.c: Fix byte-swapping code throughout to work on
3034 both little- and big-endian hosts.
3035
3036Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
3037
3038 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
3039 with gdb/config/i386/xm-windows.h.
3040
3041Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
3042
3043 * gencode.c (build_instruction): Work around MSVC++ code gen bug
3044 that messes up arithmetic shifts.
3045
3046Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
3047
3048 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
3049 SIGTRAP and SIGQUIT for _WIN32.
3050
3051Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
3052
3053 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
3054 force a 64 bit multiplication.
3055 (build_instruction) [OR]: In mips16 mode, don't do anything if the
3056 destination register is 0, since that is the default mips16 nop
3057 instruction.
3058
3059Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
3060
3061 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
3062 (build_endian_shift): Don't check proc64.
3063 (build_instruction): Always set memval to uword64. Cast op2 to
3064 uword64 when shifting it left in memory instructions. Always use
3065 the same code for stores--don't special case proc64.
3066
3067 * gencode.c (build_mips16_operands): Fix base PC value for PC
3068 relative operands.
3069 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
3070 jal instruction.
3071 * interp.c (simJALDELAYSLOT): Define.
3072 (JALDELAYSLOT): Define.
3073 (INDELAYSLOT, INJALDELAYSLOT): Define.
3074 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
3075
3076Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
3077
3078 * interp.c (sim_open): add flush_cache as a PMON routine
3079 (sim_monitor): handle flush_cache by ignoring it
3080
3081Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3082
3083 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3084 BigEndianMem.
3085 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3086 (BigEndianMem): Rename to ByteSwapMem and change sense.
3087 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3088 BigEndianMem references to !ByteSwapMem.
3089 (set_endianness): New function, with prototype.
3090 (sim_open): Call set_endianness.
3091 (sim_info): Use simBE instead of BigEndianMem.
3092 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3093 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3094 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3095 ifdefs, keeping the prototype declaration.
3096 (swap_word): Rewrite correctly.
3097 (ColdReset): Delete references to CONFIG. Delete endianness related
3098 code; moved to set_endianness.
3099
3100Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3101
3102 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3103 * interp.c (CHECKHILO): Define away.
3104 (simSIGINT): New macro.
3105 (membank_size): Increase from 1MB to 2MB.
3106 (control_c): New function.
3107 (sim_resume): Rename parameter signal to signal_number. Add local
3108 variable prev. Call signal before and after simulate.
3109 (sim_stop_reason): Add simSIGINT support.
3110 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3111 functions always.
3112 (sim_warning): Delete call to SignalException. Do call printf_filtered
3113 if logfh is NULL.
3114 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3115 a call to sim_warning.
3116
3117Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3118
3119 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3120 16 bit instructions.
3121
3122Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3123
3124 Add support for mips16 (16 bit MIPS implementation):
3125 * gencode.c (inst_type): Add mips16 instruction encoding types.
3126 (GETDATASIZEINSN): Define.
3127 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3128 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3129 mtlo.
3130 (MIPS16_DECODE): New table, for mips16 instructions.
3131 (bitmap_val): New static function.
3132 (struct mips16_op): Define.
3133 (mips16_op_table): New table, for mips16 operands.
3134 (build_mips16_operands): New static function.
3135 (process_instructions): If PC is odd, decode a mips16
3136 instruction. Break out instruction handling into new
3137 build_instruction function.
3138 (build_instruction): New static function, broken out of
3139 process_instructions. Check modifiers rather than flags for SHIFT
3140 bit count and m[ft]{hi,lo} direction.
3141 (usage): Pass program name to fprintf.
3142 (main): Remove unused variable this_option_optind. Change
3143 ``*loptarg++'' to ``loptarg++''.
3144 (my_strtoul): Parenthesize && within ||.
3145 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3146 (simulate): If PC is odd, fetch a 16 bit instruction, and
3147 increment PC by 2 rather than 4.
3148 * configure.in: Add case for mips16*-*-*.
3149 * configure: Rebuild.
3150
3151Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3152
3153 * interp.c: Allow -t to enable tracing in standalone simulator.
3154 Fix garbage output in trace file and error messages.
3155
3156Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3157
3158 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3159 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3160 * configure.in: Simplify using macros in ../common/aclocal.m4.
3161 * configure: Regenerated.
3162 * tconfig.in: New file.
3163
3164Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3165
3166 * interp.c: Fix bugs in 64-bit port.
3167 Use ansi function declarations for msvc compiler.
3168 Initialize and test file pointer in trace code.
3169 Prevent duplicate definition of LAST_EMED_REGNUM.
3170
3171Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3172
3173 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3174
3175Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3176
3177 * interp.c (SignalException): Check for explicit terminating
3178 breakpoint value.
3179 * gencode.c: Pass instruction value through SignalException()
3180 calls for Trap, Breakpoint and Syscall.
3181
3182Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3183
3184 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3185 only used on those hosts that provide it.
3186 * configure.in: Add sqrt() to list of functions to be checked for.
3187 * config.in: Re-generated.
3188 * configure: Re-generated.
3189
3190Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3191
3192 * gencode.c (process_instructions): Call build_endian_shift when
3193 expanding STORE RIGHT, to fix swr.
3194 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3195 clear the high bits.
3196 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3197 Fix float to int conversions to produce signed values.
3198
3199Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3200
3201 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3202 (process_instructions): Correct handling of nor instruction.
3203 Correct shift count for 32 bit shift instructions. Correct sign
3204 extension for arithmetic shifts to not shift the number of bits in
3205 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3206 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3207 Fix madd.
3208 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3209 It's OK to have a mult follow a mult. What's not OK is to have a
3210 mult follow an mfhi.
3211 (Convert): Comment out incorrect rounding code.
3212
3213Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3214
3215 * interp.c (sim_monitor): Improved monitor printf
3216 simulation. Tidied up simulator warnings, and added "--log" option
3217 for directing warning message output.
3218 * gencode.c: Use sim_warning() rather than WARNING macro.
3219
3220Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3221
3222 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3223 getopt1.o, rather than on gencode.c. Link objects together.
3224 Don't link against -liberty.
3225 (gencode.o, getopt.o, getopt1.o): New targets.
3226 * gencode.c: Include <ctype.h> and "ansidecl.h".
3227 (AND): Undefine after including "ansidecl.h".
3228 (ULONG_MAX): Define if not defined.
3229 (OP_*): Don't define macros; now defined in opcode/mips.h.
3230 (main): Call my_strtoul rather than strtoul.
3231 (my_strtoul): New static function.
3232
3233Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3234
3235 * gencode.c (process_instructions): Generate word64 and uword64
3236 instead of `long long' and `unsigned long long' data types.
3237 * interp.c: #include sysdep.h to get signals, and define default
3238 for SIGBUS.
3239 * (Convert): Work around for Visual-C++ compiler bug with type
3240 conversion.
3241 * support.h: Make things compile under Visual-C++ by using
3242 __int64 instead of `long long'. Change many refs to long long
3243 into word64/uword64 typedefs.
3244
3245Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3246
3247 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3248 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3249 (docdir): Removed.
3250 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3251 (AC_PROG_INSTALL): Added.
3252 (AC_PROG_CC): Moved to before configure.host call.
3253 * configure: Rebuilt.
3254
3255Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3256
3257 * configure.in: Define @SIMCONF@ depending on mips target.
3258 * configure: Rebuild.
3259 * Makefile.in (run): Add @SIMCONF@ to control simulator
3260 construction.
3261 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3262 * interp.c: Remove some debugging, provide more detailed error
3263 messages, update memory accesses to use LOADDRMASK.
3264
3265Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3266
3267 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3268 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3269 stamp-h.
3270 * configure: Rebuild.
3271 * config.in: New file, generated by autoheader.
3272 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3273 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3274 HAVE_ANINT and HAVE_AINT, as appropriate.
3275 * Makefile.in (run): Use @LIBS@ rather than -lm.
3276 (interp.o): Depend upon config.h.
3277 (Makefile): Just rebuild Makefile.
3278 (clean): Remove stamp-h.
3279 (mostlyclean): Make the same as clean, not as distclean.
3280 (config.h, stamp-h): New targets.
3281
3282Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3283
3284 * interp.c (ColdReset): Fix boolean test. Make all simulator
3285 globals static.
3286
3287Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3288
3289 * interp.c (xfer_direct_word, xfer_direct_long,
3290 swap_direct_word, swap_direct_long, xfer_big_word,
3291 xfer_big_long, xfer_little_word, xfer_little_long,
3292 swap_word,swap_long): Added.
3293 * interp.c (ColdReset): Provide function indirection to
3294 host<->simulated_target transfer routines.
3295 * interp.c (sim_store_register, sim_fetch_register): Updated to
3296 make use of indirected transfer routines.
3297
3298Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3299
3300 * gencode.c (process_instructions): Ensure FP ABS instruction
3301 recognised.
3302 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3303 system call support.
3304
3305Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3306
3307 * interp.c (sim_do_command): Complain if callback structure not
3308 initialised.
3309
3310Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3311
3312 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3313 support for Sun hosts.
3314 * Makefile.in (gencode): Ensure the host compiler and libraries
3315 used for cross-hosted build.
3316
3317Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3318
3319 * interp.c, gencode.c: Some more (TODO) tidying.
3320
3321Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3322
3323 * gencode.c, interp.c: Replaced explicit long long references with
3324 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3325 * support.h (SET64LO, SET64HI): Macros added.
3326
3327Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3328
3329 * configure: Regenerate with autoconf 2.7.
3330
3331Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3332
3333 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3334 * support.h: Remove superfluous "1" from #if.
3335 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3336
3337Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3338
3339 * interp.c (StoreFPR): Control UndefinedResult() call on
3340 WARN_RESULT manifest.
3341
3342Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3343
3344 * gencode.c: Tidied instruction decoding, and added FP instruction
3345 support.
3346
3347 * interp.c: Added dineroIII, and BSD profiling support. Also
3348 run-time FP handling.
3349
3350Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3351
3352 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3353 gencode.c, interp.c, support.h: created.
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