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[thirdparty/binutils-gdb.git] / sim / mips / ChangeLog
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4399a56b
MF
12011-10-19 Mike Frysinger <vapier@gentoo.org>
2
3 * configure: Regenerate after common/acinclude.m4 update.
4
9c082ca8
MF
52011-10-17 Mike Frysinger <vapier@gentoo.org>
6
7 * configure.ac: Change include to common/acinclude.m4.
8
6ffe910a
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92011-10-17 Mike Frysinger <vapier@gentoo.org>
10
11 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
12 call. Replace common.m4 include with SIM_AC_COMMON.
13 * configure: Regenerate.
14
31b28250
HPN
152011-07-08 Hans-Peter Nilsson <hp@axis.com>
16
3faa01e3
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17 * Makefile.in ($(SIM_MULTI_OBJ)): Depend on sim-main.h
18 $(SIM_EXTRA_DEPS).
19 (tmp-mach-multi): Exit early when igen fails.
31b28250 20
2419798b
MF
212011-07-05 Mike Frysinger <vapier@gentoo.org>
22
23 * interp.c (sim_do_command): Delete.
24
d79fe0d6
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252011-02-14 Mike Frysinger <vapier@gentoo.org>
26
27 * dv-tx3904sio.c (tx3904sio_fifo_push): Change zfree to free.
28 (tx3904sio_fifo_reset): Likewise.
29 * interp.c (sim_monitor): Likewise.
30
5558e7e6
MF
312010-04-14 Mike Frysinger <vapier@gentoo.org>
32
33 * interp.c (sim_write): Add const to buffer arg.
34
35aafff4
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352010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
36
37 * interp.c: Don't include sysdep.h
38
3725885a
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392010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
40
41 * configure: Regenerate.
42
d6416cdc
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432009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
44
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45 * config.in: Regenerate.
46 * configure: Likewise.
47
d6416cdc
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48 * configure: Regenerate.
49
b5bd9624
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502008-07-11 Hans-Peter Nilsson <hp@axis.com>
51
52 * configure: Regenerate to track ../common/common.m4 changes.
53 * config.in: Ditto.
54
6efef468
JM
552008-06-06 Vladimir Prus <vladimir@codesourcery.com>
56 Daniel Jacobowitz <dan@codesourcery.com>
57 Joseph Myers <joseph@codesourcery.com>
58
59 * configure: Regenerate.
60
60dc88db
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612007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
62
63 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
64 that unconditionally allows fmt_ps.
65 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
66 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
67 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
68 filter from 64,f to 32,f.
69 (PREFX): Change filter from 64 to 32.
70 (LDXC1, LUXC1): Provide separate mips32r2 implementations
71 that use do_load_double instead of do_load. Make both LUXC1
72 versions unpredictable if SizeFGR () != 64.
73 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
74 instead of do_store. Remove unused variable. Make both SUXC1
75 versions unpredictable if SizeFGR () != 64.
76
599ca73e
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772007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
78
79 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
80 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
81 shifts for that case.
82
2525df03
NC
832007-09-04 Nick Clifton <nickc@redhat.com>
84
85 * interp.c (options enum): Add OPTION_INFO_MEMORY.
86 (display_mem_info): New static variable.
87 (mips_option_handler): Handle OPTION_INFO_MEMORY.
88 (mips_options): Add info-memory and memory-info.
89 (sim_open): After processing the command line and board
90 specification, check display_mem_info. If it is set then
91 call the real handler for the --memory-info command line
92 switch.
93
35ee6e1e
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942007-08-24 Joel Brobecker <brobecker@adacore.com>
95
96 * configure.ac: Change license of multi-run.c to GPL version 3.
97 * configure: Regenerate.
98
d5fb0879
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992007-06-28 Richard Sandiford <richard@codesourcery.com>
100
101 * configure.ac, configure: Revert last patch.
102
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1032007-06-26 Richard Sandiford <richard@codesourcery.com>
104
105 * configure.ac (sim_mipsisa3264_configs): New variable.
106 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
107 every configuration support all four targets, using the triplet to
108 determine the default.
109 * configure: Regenerate.
110
efdcccc9
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1112007-06-25 Richard Sandiford <richard@codesourcery.com>
112
0a7692b2 113 * Makefile.in (m16run.o): New rule.
efdcccc9 114
f532a356
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1152007-05-15 Thiemo Seufer <ths@mips.com>
116
117 * mips3264r2.igen (DSHD): Fix compile warning.
118
bfe9c90b
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1192007-05-14 Thiemo Seufer <ths@mips.com>
120
121 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
122 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
123 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
124 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
125 for mips32r2.
126
53f4826b
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1272007-03-01 Thiemo Seufer <ths@mips.com>
128
129 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
130 and mips64.
131
8bf3ddc8
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1322007-02-20 Thiemo Seufer <ths@mips.com>
133
134 * dsp.igen: Update copyright notice.
135 * dsp2.igen: Fix copyright notice.
136
8b082fb1
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1372007-02-20 Thiemo Seufer <ths@mips.com>
138 Chao-Ying Fu <fu@mips.com>
139
140 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
141 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
142 Add dsp2 to sim_igen_machine.
143 * configure: Regenerate.
144 * dsp.igen (do_ph_op): Add MUL support when op = 2.
145 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
146 (mulq_rs.ph): Use do_ph_mulq.
147 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
148 * mips.igen: Add dsp2 model and include dsp2.igen.
149 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
150 for *mips32r2, *mips64r2, *dsp.
151 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
152 for *mips32r2, *mips64r2, *dsp2.
153 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
154
b1004875
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1552007-02-19 Thiemo Seufer <ths@mips.com>
156 Nigel Stephens <nigel@mips.com>
157
158 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
159 jumps with hazard barrier.
160
f8df4c77
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1612007-02-19 Thiemo Seufer <ths@mips.com>
162 Nigel Stephens <nigel@mips.com>
163
164 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
165 after each call to sim_io_write.
166
b1004875 1672007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 168 Nigel Stephens <nigel@mips.com>
b1004875
TS
169
170 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
171 supported by this simulator.
07802d98
TS
172 (decode_coproc): Recognise additional CP0 Config registers
173 correctly.
174
14fb6c5a
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1752007-02-19 Thiemo Seufer <ths@mips.com>
176 Nigel Stephens <nigel@mips.com>
177 David Ung <davidu@mips.com>
178
179 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
180 uninterpreted formats. If fmt is one of the uninterpreted types
181 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
182 fmt_word, and fmt_uninterpreted_64 like fmt_long.
183 (store_fpr): When writing an invalid odd register, set the
184 matching even register to fmt_unknown, not the following register.
185 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
186 the the memory window at offset 0 set by --memory-size command
187 line option.
188 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
189 point register.
190 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
191 register.
192 (sim_monitor): When returning the memory size to the MIPS
193 application, use the value in STATE_MEM_SIZE, not an arbitrary
194 hardcoded value.
195 (cop_lw): Don' mess around with FPR_STATE, just pass
196 fmt_uninterpreted_32 to StoreFPR.
197 (cop_sw): Similarly.
198 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
199 (cop_sd): Similarly.
200 * mips.igen (not_word_value): Single version for mips32, mips64
201 and mips16.
202
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2032007-02-19 Thiemo Seufer <ths@mips.com>
204 Nigel Stephens <nigel@mips.com>
205
206 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
207 MBytes.
208
4b5d35ee
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2092007-02-17 Thiemo Seufer <ths@mips.com>
210
211 * configure.ac (mips*-sde-elf*): Move in front of generic machine
212 configuration.
213 * configure: Regenerate.
214
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2152007-02-17 Thiemo Seufer <ths@mips.com>
216
217 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
218 Add mdmx to sim_igen_machine.
219 (mipsisa64*-*-*): Likewise. Remove dsp.
220 (mipsisa32*-*-*): Remove dsp.
221 * configure: Regenerate.
222
109ad085
TS
2232007-02-13 Thiemo Seufer <ths@mips.com>
224
225 * configure.ac: Add mips*-sde-elf* target.
226 * configure: Regenerate.
227
921d7ad3
HPN
2282006-12-21 Hans-Peter Nilsson <hp@axis.com>
229
230 * acconfig.h: Remove.
231 * config.in, configure: Regenerate.
232
02f97da7
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2332006-11-07 Thiemo Seufer <ths@mips.com>
234
235 * dsp.igen (do_w_op): Fix compiler warning.
236
2d2733fc
TS
2372006-08-29 Thiemo Seufer <ths@mips.com>
238 David Ung <davidu@mips.com>
239
240 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
241 sim_igen_machine.
242 * configure: Regenerate.
243 * mips.igen (model): Add smartmips.
244 (MADDU): Increment ACX if carry.
245 (do_mult): Clear ACX.
246 (ROR,RORV): Add smartmips.
247 (include): Include smartmips.igen.
248 * sim-main.h (ACX): Set to REGISTERS[89].
249 * smartmips.igen: New file.
250
d85c3a10
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2512006-08-29 Thiemo Seufer <ths@mips.com>
252 David Ung <davidu@mips.com>
253
254 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
255 mips3264r2.igen. Add missing dependency rules.
256 * m16e.igen: Support for mips16e save/restore instructions.
257
e85e3205
RE
2582006-06-13 Richard Earnshaw <rearnsha@arm.com>
259
260 * configure: Regenerated.
261
2f0122dc
DJ
2622006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
263
264 * configure: Regenerated.
265
20e95c23
DJ
2662006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
267
268 * configure: Regenerated.
269
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CF
2702006-05-15 Chao-ying Fu <fu@mips.com>
271
272 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
273
0275de4e
NC
2742006-04-18 Nick Clifton <nickc@redhat.com>
275
276 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
277 statement.
278
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2792006-03-29 Hans-Peter Nilsson <hp@axis.com>
280
281 * configure: Regenerate.
282
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CF
2832005-12-14 Chao-ying Fu <fu@mips.com>
284
285 * Makefile.in (SIM_OBJS): Add dsp.o.
286 (dsp.o): New dependency.
287 (IGEN_INCLUDE): Add dsp.igen.
288 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
289 mipsisa64*-*-*): Add dsp to sim_igen_machine.
290 * configure: Regenerate.
291 * mips.igen: Add dsp model and include dsp.igen.
292 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
293 because these instructions are extended in DSP ASE.
294 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
295 adding 6 DSP accumulator registers and 1 DSP control register.
296 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
297 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
298 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
299 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
300 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
301 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
302 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
303 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
304 DSPCR_CCOND_SMASK): New define.
305 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
306 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
307
21d14896
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3082005-07-08 Ian Lance Taylor <ian@airs.com>
309
310 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
311
b16d63da
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3122005-06-16 David Ung <davidu@mips.com>
313 Nigel Stephens <nigel@mips.com>
314
315 * mips.igen: New mips16e model and include m16e.igen.
316 (check_u64): Add mips16e tag.
317 * m16e.igen: New file for MIPS16e instructions.
318 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
319 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
320 models.
321 * configure: Regenerate.
322
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CD
3232005-05-26 David Ung <davidu@mips.com>
324
325 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
326 tags to all instructions which are applicable to the new ISAs.
327 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
328 vr.igen.
329 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
330 instructions.
331 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
332 to mips.igen.
333 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
334 * configure: Regenerate.
335
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MK
3362005-03-23 Mark Kettenis <kettenis@gnu.org>
337
338 * configure: Regenerate.
339
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3402005-01-14 Andrew Cagney <cagney@gnu.org>
341
342 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
343 explicit call to AC_CONFIG_HEADER.
344 * configure: Regenerate.
345
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AC
3462005-01-12 Andrew Cagney <cagney@gnu.org>
347
348 * configure.ac: Update to use ../common/common.m4.
349 * configure: Re-generate.
350
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3512005-01-11 Andrew Cagney <cagney@localhost.localdomain>
352
353 * configure: Regenerated to track ../common/aclocal.m4 changes.
354
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3552005-01-07 Andrew Cagney <cagney@gnu.org>
356
357 * configure.ac: Rename configure.in, require autoconf 2.59.
358 * configure: Re-generate.
359
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3602004-12-08 Hans-Peter Nilsson <hp@axis.com>
361
362 * configure: Regenerate for ../common/aclocal.m4 update.
363
cd62154c
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3642004-09-24 Monika Chaddha <monika@acmet.com>
365
366 Committed by Andrew Cagney.
367 * m16.igen (CMP, CMPI): Fix assembler.
368
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3692004-08-18 Chris Demetriou <cgd@broadcom.com>
370
371 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
372 * configure: Regenerate.
373
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3742004-06-25 Chris Demetriou <cgd@broadcom.com>
375
376 * configure.in (sim_m16_machine): Include mipsIII.
377 * configure: Regenerate.
378
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CD
3792004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
380
381 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
382 from COP0_BADVADDR.
383 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
384
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3852004-04-10 Chris Demetriou <cgd@broadcom.com>
386
387 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
388
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3892004-04-09 Chris Demetriou <cgd@broadcom.com>
390
391 * mips.igen (check_fmt): Remove.
392 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
393 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
394 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
395 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
396 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
397 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
398 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
399 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
400 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
401 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
402
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4032004-04-09 Chris Demetriou <cgd@broadcom.com>
404
405 * sb1.igen (check_sbx): New function.
406 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
407
11d66e66 4082004-03-29 Chris Demetriou <cgd@broadcom.com>
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409 Richard Sandiford <rsandifo@redhat.com>
410
411 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
412 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
413 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
414 separate implementations for mipsIV and mipsV. Use new macros to
415 determine whether the restrictions apply.
416
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4172004-01-19 Chris Demetriou <cgd@broadcom.com>
418
419 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
420 (check_mult_hilo): Improve comments.
421 (check_div_hilo): Likewise. Also, fork off a new version
422 to handle mips32/mips64 (since there are no hazards to check
423 in MIPS32/MIPS64).
424
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4252003-06-17 Richard Sandiford <rsandifo@redhat.com>
426
427 * mips.igen (do_dmultx): Fix check for negative operands.
428
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4292003-05-16 Ian Lance Taylor <ian@airs.com>
430
431 * Makefile.in (SHELL): Make sure this is defined.
432 (various): Use $(SHELL) whenever we invoke move-if-change.
433
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4342003-05-03 Chris Demetriou <cgd@broadcom.com>
435
436 * cp1.c: Tweak attribution slightly.
437 * cp1.h: Likewise.
438 * mdmx.c: Likewise.
439 * mdmx.igen: Likewise.
440 * mips3d.igen: Likewise.
441 * sb1.igen: Likewise.
442
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4432003-04-15 Richard Sandiford <rsandifo@redhat.com>
444
445 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
446 unsigned operands.
447
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4482003-02-27 Andrew Cagney <cagney@redhat.com>
449
601da316
AC
450 * interp.c (sim_open): Rename _bfd to bfd.
451 (sim_create_inferior): Ditto.
6b4a8935 452
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4532003-01-14 Chris Demetriou <cgd@broadcom.com>
454
455 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
456
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4572003-01-14 Chris Demetriou <cgd@broadcom.com>
458
459 * mips.igen (EI, DI): Remove.
460
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4612003-01-05 Richard Sandiford <rsandifo@redhat.com>
462
463 * Makefile.in (tmp-run-multi): Fix mips16 filter.
464
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4652003-01-04 Richard Sandiford <rsandifo@redhat.com>
466 Andrew Cagney <ac131313@redhat.com>
467 Gavin Romig-Koch <gavin@redhat.com>
468 Graydon Hoare <graydon@redhat.com>
469 Aldy Hernandez <aldyh@redhat.com>
470 Dave Brolley <brolley@redhat.com>
471 Chris Demetriou <cgd@broadcom.com>
472
473 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
474 (sim_mach_default): New variable.
475 (mips64vr-*-*, mips64vrel-*-*): New configurations.
476 Add a new simulator generator, MULTI.
477 * configure: Regenerate.
478 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
479 (multi-run.o): New dependency.
480 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
481 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
482 (tmp-multi): Combine them.
483 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
484 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
485 (distclean-extra): New rule.
486 * sim-main.h: Include bfd.h.
487 (MIPS_MACH): New macro.
488 * mips.igen (vr4120, vr5400, vr5500): New models.
489 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
490 * vr.igen: Replace with new version.
491
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4922003-01-04 Chris Demetriou <cgd@broadcom.com>
493
494 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
495 * configure: Regenerate.
496
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4972002-12-31 Chris Demetriou <cgd@broadcom.com>
498
499 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
500 * mips.igen: Remove all invocations of check_branch_bug and
501 mark_branch_bug.
502
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5032002-12-16 Chris Demetriou <cgd@broadcom.com>
504
505 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
506
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5072002-07-30 Chris Demetriou <cgd@broadcom.com>
508
509 * mips.igen (do_load_double, do_store_double): New functions.
510 (LDC1, SDC1): Rename to...
511 (LDC1b, SDC1b): respectively.
512 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
513
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5142002-07-29 Michael Snyder <msnyder@redhat.com>
515
516 * cp1.c (fp_recip2): Modify initialization expression so that
517 GCC will recognize it as constant.
518
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5192002-06-18 Chris Demetriou <cgd@broadcom.com>
520
521 * mdmx.c (SD_): Delete.
522 (Unpredictable): Re-define, for now, to directly invoke
523 unpredictable_action().
524 (mdmx_acc_op): Fix error in .ob immediate handling.
525
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5262002-06-18 Andrew Cagney <cagney@redhat.com>
527
528 * interp.c (sim_firmware_command): Initialize `address'.
529
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5302002-06-16 Andrew Cagney <ac131313@redhat.com>
531
532 * configure: Regenerated to track ../common/aclocal.m4 changes.
533
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5342002-06-14 Chris Demetriou <cgd@broadcom.com>
535 Ed Satterthwaite <ehs@broadcom.com>
536
537 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
538 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
539 * mips.igen: Include mips3d.igen.
540 (mips3d): New model name for MIPS-3D ASE instructions.
541 (CVT.W.fmt): Don't use this instruction for word (source) format
542 instructions.
543 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
544 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
545 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
546 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
547 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
548 (RSquareRoot1, RSquareRoot2): New macros.
549 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
550 (fp_rsqrt2): New functions.
551 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
552 * configure: Regenerate.
553
3a2b820e 5542002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 555 Ed Satterthwaite <ehs@broadcom.com>
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556
557 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
558 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
559 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
560 (convert): Note that this function is not used for paired-single
561 format conversions.
562 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
563 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
564 (check_fmt_p): Enable paired-single support.
565 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
566 (PUU.PS): New instructions.
567 (CVT.S.fmt): Don't use this instruction for paired-single format
568 destinations.
569 * sim-main.h (FP_formats): New value 'fmt_ps.'
570 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
571 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
572
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5732002-06-12 Chris Demetriou <cgd@broadcom.com>
574
575 * mips.igen: Fix formatting of function calls in
576 many FP operations.
577
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5782002-06-12 Chris Demetriou <cgd@broadcom.com>
579
580 * mips.igen (MOVN, MOVZ): Trace result.
581 (TNEI): Print "tnei" as the opcode name in traces.
582 (CEIL.W): Add disassembly string for traces.
583 (RSQRT.fmt): Make location of disassembly string consistent
584 with other instructions.
585
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5862002-06-12 Chris Demetriou <cgd@broadcom.com>
587
588 * mips.igen (X): Delete unused function.
589
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5902002-06-08 Andrew Cagney <cagney@redhat.com>
591
592 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
593
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5942002-06-07 Chris Demetriou <cgd@broadcom.com>
595 Ed Satterthwaite <ehs@broadcom.com>
596
597 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
598 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
599 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
600 (fp_nmsub): New prototypes.
601 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
602 (NegMultiplySub): New defines.
603 * mips.igen (RSQRT.fmt): Use RSquareRoot().
604 (MADD.D, MADD.S): Replace with...
605 (MADD.fmt): New instruction.
606 (MSUB.D, MSUB.S): Replace with...
607 (MSUB.fmt): New instruction.
608 (NMADD.D, NMADD.S): Replace with...
609 (NMADD.fmt): New instruction.
610 (NMSUB.D, MSUB.S): Replace with...
611 (NMSUB.fmt): New instruction.
612
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6132002-06-07 Chris Demetriou <cgd@broadcom.com>
614 Ed Satterthwaite <ehs@broadcom.com>
615
616 * cp1.c: Fix more comment spelling and formatting.
617 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
618 (denorm_mode): New function.
619 (fpu_unary, fpu_binary): Round results after operation, collect
620 status from rounding operations, and update the FCSR.
621 (convert): Collect status from integer conversions and rounding
622 operations, and update the FCSR. Adjust NaN values that result
623 from conversions. Convert to use sim_io_eprintf rather than
624 fprintf, and remove some debugging code.
625 * cp1.h (fenr_FS): New define.
626
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6272002-06-07 Chris Demetriou <cgd@broadcom.com>
628
629 * cp1.c (convert): Remove unusable debugging code, and move MIPS
630 rounding mode to sim FP rounding mode flag conversion code into...
631 (rounding_mode): New function.
632
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6332002-06-07 Chris Demetriou <cgd@broadcom.com>
634
635 * cp1.c: Clean up formatting of a few comments.
636 (value_fpr): Reformat switch statement.
637
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6382002-06-06 Chris Demetriou <cgd@broadcom.com>
639 Ed Satterthwaite <ehs@broadcom.com>
640
641 * cp1.h: New file.
642 * sim-main.h: Include cp1.h.
643 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
644 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
645 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
646 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
647 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
648 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
649 * cp1.c: Don't include sim-fpu.h; already included by
650 sim-main.h. Clean up formatting of some comments.
651 (NaN, Equal, Less): Remove.
652 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
653 (fp_cmp): New functions.
654 * mips.igen (do_c_cond_fmt): Remove.
655 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
656 Compare. Add result tracing.
657 (CxC1): Remove, replace with...
658 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
659 (DMxC1): Remove, replace with...
660 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
661 (MxC1): Remove, replace with...
662 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
663
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6642002-06-04 Chris Demetriou <cgd@broadcom.com>
665
666 * sim-main.h (FGRIDX): Remove, replace all uses with...
667 (FGR_BASE): New macro.
668 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
669 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
670 (NR_FGR, FGR): Likewise.
671 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
672 * mips.igen: Likewise.
673
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6742002-06-04 Chris Demetriou <cgd@broadcom.com>
675
676 * cp1.c: Add an FSF Copyright notice to this file.
677
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6782002-06-04 Chris Demetriou <cgd@broadcom.com>
679 Ed Satterthwaite <ehs@broadcom.com>
680
681 * cp1.c (Infinity): Remove.
682 * sim-main.h (Infinity): Likewise.
683
684 * cp1.c (fp_unary, fp_binary): New functions.
685 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
686 (fp_sqrt): New functions, implemented in terms of the above.
687 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
688 (Recip, SquareRoot): Remove (replaced by functions above).
689 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
690 (fp_recip, fp_sqrt): New prototypes.
691 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
692 (Recip, SquareRoot): Replace prototypes with #defines which
693 invoke the functions above.
694
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6952002-06-03 Chris Demetriou <cgd@broadcom.com>
696
697 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
698 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
699 file, remove PARAMS from prototypes.
700 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
701 simulator state arguments.
702 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
703 pass simulator state arguments.
704 * cp1.c (SD): Redefine as CPU_STATE(cpu).
705 (store_fpr, convert): Remove 'sd' argument.
706 (value_fpr): Likewise. Convert to use 'SD' instead.
707
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7082002-06-03 Chris Demetriou <cgd@broadcom.com>
709
710 * cp1.c (Min, Max): Remove #if 0'd functions.
711 * sim-main.h (Min, Max): Remove.
712
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7132002-06-03 Chris Demetriou <cgd@broadcom.com>
714
715 * cp1.c: fix formatting of switch case and default labels.
716 * interp.c: Likewise.
717 * sim-main.c: Likewise.
718
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7192002-06-03 Chris Demetriou <cgd@broadcom.com>
720
721 * cp1.c: Clean up comments which describe FP formats.
722 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
723
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7242002-06-03 Chris Demetriou <cgd@broadcom.com>
725 Ed Satterthwaite <ehs@broadcom.com>
726
727 * configure.in (mipsisa64sb1*-*-*): New target for supporting
728 Broadcom SiByte SB-1 processor configurations.
729 * configure: Regenerate.
730 * sb1.igen: New file.
731 * mips.igen: Include sb1.igen.
732 (sb1): New model.
733 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
734 * mdmx.igen: Add "sb1" model to all appropriate functions and
735 instructions.
736 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
737 (ob_func, ob_acc): Reference the above.
738 (qh_acc): Adjust to keep the same size as ob_acc.
739 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
740 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
741
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7422002-06-03 Chris Demetriou <cgd@broadcom.com>
743
744 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
745
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7462002-06-02 Chris Demetriou <cgd@broadcom.com>
747 Ed Satterthwaite <ehs@broadcom.com>
748
749 * mips.igen (mdmx): New (pseudo-)model.
750 * mdmx.c, mdmx.igen: New files.
751 * Makefile.in (SIM_OBJS): Add mdmx.o.
752 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
753 New typedefs.
754 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
755 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
756 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
757 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
758 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
759 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
760 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
761 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
762 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
763 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
764 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
765 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
766 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
767 (qh_fmtsel): New macros.
768 (_sim_cpu): New member "acc".
769 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
770 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
771
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7722002-05-01 Chris Demetriou <cgd@broadcom.com>
773
774 * interp.c: Use 'deprecated' rather than 'depreciated.'
775 * sim-main.h: Likewise.
776
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7772002-05-01 Chris Demetriou <cgd@broadcom.com>
778
779 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
780 which wouldn't compile anyway.
781 * sim-main.h (unpredictable_action): New function prototype.
782 (Unpredictable): Define to call igen function unpredictable().
783 (NotWordValue): New macro to call igen function not_word_value().
784 (UndefinedResult): Remove.
785 * interp.c (undefined_result): Remove.
786 (unpredictable_action): New function.
787 * mips.igen (not_word_value, unpredictable): New functions.
788 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
789 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
790 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
791 NotWordValue() to check for unpredictable inputs, then
792 Unpredictable() to handle them.
793
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7942002-02-24 Chris Demetriou <cgd@broadcom.com>
795
796 * mips.igen: Fix formatting of calls to Unpredictable().
797
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7982002-04-20 Andrew Cagney <ac131313@redhat.com>
799
800 * interp.c (sim_open): Revert previous change.
801
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8022002-04-18 Alexandre Oliva <aoliva@redhat.com>
803
804 * interp.c (sim_open): Disable chunk of code that wrote code in
805 vector table entries.
806
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8072002-03-19 Chris Demetriou <cgd@broadcom.com>
808
809 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
810 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
811 unused definitions.
812
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8132002-03-19 Chris Demetriou <cgd@broadcom.com>
814
815 * cp1.c: Fix many formatting issues.
816
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8172002-03-19 Chris G. Demetriou <cgd@broadcom.com>
818
819 * cp1.c (fpu_format_name): New function to replace...
820 (DOFMT): This. Delete, and update all callers.
821 (fpu_rounding_mode_name): New function to replace...
822 (RMMODE): This. Delete, and update all callers.
823
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8242002-03-19 Chris G. Demetriou <cgd@broadcom.com>
825
826 * interp.c: Move FPU support routines from here to...
827 * cp1.c: Here. New file.
828 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
829 (cp1.o): New target.
830
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8312002-03-12 Chris Demetriou <cgd@broadcom.com>
832
833 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
834 * mips.igen (mips32, mips64): New models, add to all instructions
835 and functions as appropriate.
836 (loadstore_ea, check_u64): New variant for model mips64.
837 (check_fmt_p): New variant for models mipsV and mips64, remove
838 mipsV model marking fro other variant.
839 (SLL) Rename to...
840 (SLLa) this.
841 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
842 for mips32 and mips64.
843 (DCLO, DCLZ): New instructions for mips64.
844
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8452002-03-07 Chris Demetriou <cgd@broadcom.com>
846
847 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
848 immediate or code as a hex value with the "%#lx" format.
849 (ANDI): Likewise, and fix printed instruction name.
850
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8512002-03-05 Chris Demetriou <cgd@broadcom.com>
852
853 * sim-main.h (UndefinedResult, Unpredictable): New macros
854 which currently do nothing.
855
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8562002-03-05 Chris Demetriou <cgd@broadcom.com>
857
858 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
859 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
860 (status_CU3): New definitions.
861
862 * sim-main.h (ExceptionCause): Add new values for MIPS32
863 and MIPS64: MDMX, MCheck, CacheErr. Update comments
864 for DebugBreakPoint and NMIReset to note their status in
865 MIPS32 and MIPS64.
866 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
867 (SignalExceptionCacheErr): New exception macros.
868
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8692002-03-05 Chris Demetriou <cgd@broadcom.com>
870
871 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
872 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
873 is always enabled.
874 (SignalExceptionCoProcessorUnusable): Take as argument the
875 unusable coprocessor number.
876
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8772002-03-05 Chris Demetriou <cgd@broadcom.com>
878
879 * mips.igen: Fix formatting of all SignalException calls.
880
97a88e93 8812002-03-05 Chris Demetriou <cgd@broadcom.com>
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882
883 * sim-main.h (SIGNEXTEND): Remove.
884
97a88e93 8852002-03-04 Chris Demetriou <cgd@broadcom.com>
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886
887 * mips.igen: Remove gencode comment from top of file, fix
888 spelling in another comment.
889
97a88e93 8902002-03-04 Chris Demetriou <cgd@broadcom.com>
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891
892 * mips.igen (check_fmt, check_fmt_p): New functions to check
893 whether specific floating point formats are usable.
894 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
895 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
896 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
897 Use the new functions.
898 (do_c_cond_fmt): Remove format checks...
899 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
900
97a88e93 9012002-03-03 Chris Demetriou <cgd@broadcom.com>
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902
903 * mips.igen: Fix formatting of check_fpu calls.
904
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9052002-03-03 Chris Demetriou <cgd@broadcom.com>
906
907 * mips.igen (FLOOR.L.fmt): Store correct destination register.
908
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9092002-03-03 Chris Demetriou <cgd@broadcom.com>
910
911 * mips.igen: Remove whitespace at end of lines.
912
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9132002-03-02 Chris Demetriou <cgd@broadcom.com>
914
915 * mips.igen (loadstore_ea): New function to do effective
916 address calculations.
917 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
918 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
919 CACHE): Use loadstore_ea to do effective address computations.
920
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9212002-03-02 Chris Demetriou <cgd@broadcom.com>
922
923 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
924 * mips.igen (LL, CxC1, MxC1): Likewise.
925
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9262002-03-02 Chris Demetriou <cgd@broadcom.com>
927
928 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
929 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
930 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
931 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
932 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
933 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
934 Don't split opcode fields by hand, use the opcode field values
935 provided by igen.
936
3e1dca16
CD
9372002-03-01 Chris Demetriou <cgd@broadcom.com>
938
939 * mips.igen (do_divu): Fix spacing.
940
941 * mips.igen (do_dsllv): Move to be right before DSLLV,
942 to match the rest of the do_<shift> functions.
943
fff8d27d
CD
9442002-03-01 Chris Demetriou <cgd@broadcom.com>
945
946 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
947 DSRL32, do_dsrlv): Trace inputs and results.
948
0d3e762b
CD
9492002-03-01 Chris Demetriou <cgd@broadcom.com>
950
951 * mips.igen (CACHE): Provide instruction-printing string.
952
953 * interp.c (signal_exception): Comment tokens after #endif.
954
eb5fcf93
CD
9552002-02-28 Chris Demetriou <cgd@broadcom.com>
956
957 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
958 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
959 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
960 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
961 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
962 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
963 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
964 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
965
bb22bd7d
CD
9662002-02-28 Chris Demetriou <cgd@broadcom.com>
967
968 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
969 instruction-printing string.
970 (LWU): Use '64' as the filter flag.
971
91a177cf
CD
9722002-02-28 Chris Demetriou <cgd@broadcom.com>
973
974 * mips.igen (SDXC1): Fix instruction-printing string.
975
387f484a
CD
9762002-02-28 Chris Demetriou <cgd@broadcom.com>
977
978 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
979 filter flags "32,f".
980
3d81f391
CD
9812002-02-27 Chris Demetriou <cgd@broadcom.com>
982
983 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
984 as the filter flag.
985
af5107af
CD
9862002-02-27 Chris Demetriou <cgd@broadcom.com>
987
988 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
989 add a comma) so that it more closely match the MIPS ISA
990 documentation opcode partitioning.
991 (PREF): Put useful names on opcode fields, and include
992 instruction-printing string.
993
ca971540
CD
9942002-02-27 Chris Demetriou <cgd@broadcom.com>
995
996 * mips.igen (check_u64): New function which in the future will
997 check whether 64-bit instructions are usable and signal an
998 exception if not. Currently a no-op.
999 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
1000 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
1001 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
1002 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
1003
1004 * mips.igen (check_fpu): New function which in the future will
1005 check whether FPU instructions are usable and signal an exception
1006 if not. Currently a no-op.
1007 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
1008 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
1009 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
1010 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
1011 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
1012 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
1013 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
1014 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
1015
1c47a468
CD
10162002-02-27 Chris Demetriou <cgd@broadcom.com>
1017
1018 * mips.igen (do_load_left, do_load_right): Move to be immediately
1019 following do_load.
1020 (do_store_left, do_store_right): Move to be immediately following
1021 do_store.
1022
603a98e7
CD
10232002-02-27 Chris Demetriou <cgd@broadcom.com>
1024
1025 * mips.igen (mipsV): New model name. Also, add it to
1026 all instructions and functions where it is appropriate.
1027
c5d00cc7
CD
10282002-02-18 Chris Demetriou <cgd@broadcom.com>
1029
1030 * mips.igen: For all functions and instructions, list model
1031 names that support that instruction one per line.
1032
074e9cb8
CD
10332002-02-11 Chris Demetriou <cgd@broadcom.com>
1034
1035 * mips.igen: Add some additional comments about supported
1036 models, and about which instructions go where.
1037 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1038 order as is used in the rest of the file.
1039
9805e229
CD
10402002-02-11 Chris Demetriou <cgd@broadcom.com>
1041
1042 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1043 indicating that ALU32_END or ALU64_END are there to check
1044 for overflow.
1045 (DADD): Likewise, but also remove previous comment about
1046 overflow checking.
1047
f701dad2
CD
10482002-02-10 Chris Demetriou <cgd@broadcom.com>
1049
1050 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1051 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1052 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1053 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1054 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1055 fields (i.e., add and move commas) so that they more closely
1056 match the MIPS ISA documentation opcode partitioning.
1057
10582002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1059
1060 * mips.igen (ADDI): Print immediate value.
1061 (BREAK): Print code.
1062 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1063 (SLL): Print "nop" specially, and don't run the code
1064 that does the shift for the "nop" case.
1065
9e52972e
FF
10662001-11-17 Fred Fish <fnf@redhat.com>
1067
1068 * sim-main.h (float_operation): Move enum declaration outside
1069 of _sim_cpu struct declaration.
1070
c0efbca4
JB
10712001-04-12 Jim Blandy <jimb@redhat.com>
1072
1073 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1074 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1075 set of the FCSR.
1076 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1077 PENDING_FILL, and you can get the intended effect gracefully by
1078 calling PENDING_SCHED directly.
1079
fb891446
BE
10802001-02-23 Ben Elliston <bje@redhat.com>
1081
1082 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1083 already defined elsewhere.
1084
8030f857
BE
10852001-02-19 Ben Elliston <bje@redhat.com>
1086
1087 * sim-main.h (sim_monitor): Return an int.
1088 * interp.c (sim_monitor): Add return values.
1089 (signal_exception): Handle error conditions from sim_monitor.
1090
56b48a7a
CD
10912001-02-08 Ben Elliston <bje@redhat.com>
1092
1093 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1094 (store_memory): Likewise, pass cia to sim_core_write*.
1095
d3ee60d9
FCE
10962000-10-19 Frank Ch. Eigler <fche@redhat.com>
1097
1098 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1099 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1100
071da002
AC
1101Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1102
1103 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1104 * Makefile.in: Don't delete *.igen when cleaning directory.
1105
a28c02cd
AC
1106Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1107
1108 * m16.igen (break): Call SignalException not sim_engine_halt.
1109
80ee11fa
AC
1110Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1111
1112 From Jason Eckhardt:
1113 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1114
673388c0
AC
1115Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1116
1117 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1118
4c0deff4
NC
11192000-05-24 Michael Hayes <mhayes@cygnus.com>
1120
1121 * mips.igen (do_dmultx): Fix typo.
1122
eb2d80b4
AC
1123Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1124
1125 * configure: Regenerated to track ../common/aclocal.m4 changes.
1126
dd37a34b
AC
1127Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1128
1129 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1130
4c0deff4
NC
11312000-04-12 Frank Ch. Eigler <fche@redhat.com>
1132
1133 * sim-main.h (GPR_CLEAR): Define macro.
1134
e30db738
AC
1135Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1136
1137 * interp.c (decode_coproc): Output long using %lx and not %s.
1138
cb7450ea
FCE
11392000-03-21 Frank Ch. Eigler <fche@redhat.com>
1140
1141 * interp.c (sim_open): Sort & extend dummy memory regions for
1142 --board=jmr3904 for eCos.
1143
a3027dd7
FCE
11442000-03-02 Frank Ch. Eigler <fche@redhat.com>
1145
1146 * configure: Regenerated.
1147
1148Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1149
1150 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1151 calls, conditional on the simulator being in verbose mode.
1152
dfcd3bfb
JM
1153Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1154
1155 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1156 cache don't get ReservedInstruction traps.
1157
c2d11a7d
JM
11581999-11-29 Mark Salter <msalter@cygnus.com>
1159
1160 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1161 to clear status bits in sdisr register. This is how the hardware works.
1162
1163 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1164 being used by cygmon.
1165
4ce44c66
JM
11661999-11-11 Andrew Haley <aph@cygnus.com>
1167
1168 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1169 instructions.
1170
cff3e48b
JM
1171Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1172
1173 * mips.igen (MULT): Correct previous mis-applied patch.
1174
d4f3574e
SS
1175Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1176
1177 * mips.igen (delayslot32): Handle sequence like
1178 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1179 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1180 (MULT): Actually pass the third register...
1181
11821999-09-03 Mark Salter <msalter@cygnus.com>
1183
1184 * interp.c (sim_open): Added more memory aliases for additional
1185 hardware being touched by cygmon on jmr3904 board.
1186
1187Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1188
1189 * configure: Regenerated to track ../common/aclocal.m4 changes.
1190
a0b3c4fd
JM
1191Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1192
1193 * interp.c (sim_store_register): Handle case where client - GDB -
1194 specifies that a 4 byte register is 8 bytes in size.
1195 (sim_fetch_register): Ditto.
1196
adf40b2e
JM
11971999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1198
1199 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1200 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1201 (idt_monitor_base): Base address for IDT monitor traps.
1202 (pmon_monitor_base): Ditto for PMON.
1203 (lsipmon_monitor_base): Ditto for LSI PMON.
1204 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1205 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1206 (sim_firmware_command): New function.
1207 (mips_option_handler): Call it for OPTION_FIRMWARE.
1208 (sim_open): Allocate memory for idt_monitor region. If "--board"
1209 option was given, add no monitor by default. Add BREAK hooks only if
1210 monitors are also there.
1211
43e526b9
JM
1212Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1213
1214 * interp.c (sim_monitor): Flush output before reading input.
1215
1216Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1217
1218 * tconfig.in (SIM_HANDLES_LMA): Always define.
1219
1220Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1221
1222 From Mark Salter <msalter@cygnus.com>:
1223 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1224 (sim_open): Add setup for BSP board.
1225
9846de1b
JM
1226Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1227
1228 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1229 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1230 them as unimplemented.
1231
cd0fc7c3
SS
12321999-05-08 Felix Lee <flee@cygnus.com>
1233
1234 * configure: Regenerated to track ../common/aclocal.m4 changes.
1235
7a292a7a
SS
12361999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1237
1238 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1239
1240Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1241
1242 * configure.in: Any mips64vr5*-*-* target should have
1243 -DTARGET_ENABLE_FR=1.
1244 (default_endian): Any mips64vr*el-*-* target should default to
1245 LITTLE_ENDIAN.
1246 * configure: Re-generate.
1247
12481999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1249
1250 * mips.igen (ldl): Extend from _16_, not 32.
1251
1252Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1253
1254 * interp.c (sim_store_register): Force registers written to by GDB
1255 into an un-interpreted state.
1256
c906108c
SS
12571999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1258
1259 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1260 CPU, start periodic background I/O polls.
1261 (tx3904sio_poll): New function: periodic I/O poller.
1262
12631998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1264
1265 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1266
1267Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1268
1269 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1270 case statement.
1271
12721998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1273
1274 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1275 (load_word): Call SIM_CORE_SIGNAL hook on error.
1276 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1277 starting. For exception dispatching, pass PC instead of NULL_CIA.
1278 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1279 * sim-main.h (COP0_BADVADDR): Define.
1280 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1281 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1282 (_sim_cpu): Add exc_* fields to store register value snapshots.
1283 * mips.igen (*): Replace memory-related SignalException* calls
1284 with references to SIM_CORE_SIGNAL hook.
1285
1286 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1287 fix.
1288 * sim-main.c (*): Minor warning cleanups.
1289
12901998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1291
1292 * m16.igen (DADDIU5): Correct type-o.
1293
1294Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1295
1296 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1297 variables.
1298
1299Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1300
1301 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1302 to include path.
1303 (interp.o): Add dependency on itable.h
1304 (oengine.c, gencode): Delete remaining references.
1305 (BUILT_SRC_FROM_GEN): Clean up.
1306
13071998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1308
1309 * vr4run.c: New.
1310 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1311 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1312 tmp-run-hack) : New.
1313 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1314 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1315 Drop the "64" qualifier to get the HACK generator working.
1316 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1317 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1318 qualifier to get the hack generator working.
1319 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1320 (DSLL): Use do_dsll.
1321 (DSLLV): Use do_dsllv.
1322 (DSRA): Use do_dsra.
1323 (DSRL): Use do_dsrl.
1324 (DSRLV): Use do_dsrlv.
1325 (BC1): Move *vr4100 to get the HACK generator working.
1326 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1327 get the HACK generator working.
1328 (MACC) Rename to get the HACK generator working.
1329 (DMACC,MACCS,DMACCS): Add the 64.
1330
13311998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1332
1333 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1334 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1335
13361998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1337
1338 * mips/interp.c (DEBUG): Cleanups.
1339
13401998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1341
1342 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1343 (tx3904sio_tickle): fflush after a stdout character output.
1344
13451998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1346
1347 * interp.c (sim_close): Uninstall modules.
1348
1349Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1350
1351 * sim-main.h, interp.c (sim_monitor): Change to global
1352 function.
1353
1354Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1355
1356 * configure.in (vr4100): Only include vr4100 instructions in
1357 simulator.
1358 * configure: Re-generate.
1359 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1360
1361Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1362
1363 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1364 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1365 true alternative.
1366
1367 * configure.in (sim_default_gen, sim_use_gen): Replace with
1368 sim_gen.
1369 (--enable-sim-igen): Delete config option. Always using IGEN.
1370 * configure: Re-generate.
1371
1372 * Makefile.in (gencode): Kill, kill, kill.
1373 * gencode.c: Ditto.
1374
1375Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1376
1377 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1378 bit mips16 igen simulator.
1379 * configure: Re-generate.
1380
1381 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1382 as part of vr4100 ISA.
1383 * vr.igen: Mark all instructions as 64 bit only.
1384
1385Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1386
1387 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1388 Pacify GCC.
1389
1390Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1391
1392 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1393 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1394 * configure: Re-generate.
1395
1396 * m16.igen (BREAK): Define breakpoint instruction.
1397 (JALX32): Mark instruction as mips16 and not r3900.
1398 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1399
1400 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1401
1402Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1403
1404 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1405 insn as a debug breakpoint.
1406
1407 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1408 pending.slot_size.
1409 (PENDING_SCHED): Clean up trace statement.
1410 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1411 (PENDING_FILL): Delay write by only one cycle.
1412 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1413
1414 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1415 of pending writes.
1416 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1417 32 & 64.
1418 (pending_tick): Move incrementing of index to FOR statement.
1419 (pending_tick): Only update PENDING_OUT after a write has occured.
1420
1421 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1422 build simulator.
1423 * configure: Re-generate.
1424
1425 * interp.c (sim_engine_run OLD): Delete explicit call to
1426 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1427
1428Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1429
1430 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1431 interrupt level number to match changed SignalExceptionInterrupt
1432 macro.
1433
1434Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1435
1436 * interp.c: #include "itable.h" if WITH_IGEN.
1437 (get_insn_name): New function.
1438 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1439 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1440
1441Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1442
1443 * configure: Rebuilt to inhale new common/aclocal.m4.
1444
1445Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1446
1447 * dv-tx3904sio.c: Include sim-assert.h.
1448
1449Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1450
1451 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1452 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1453 Reorganize target-specific sim-hardware checks.
1454 * configure: rebuilt.
1455 * interp.c (sim_open): For tx39 target boards, set
1456 OPERATING_ENVIRONMENT, add tx3904sio devices.
1457 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1458 ROM executables. Install dv-sockser into sim-modules list.
1459
1460 * dv-tx3904irc.c: Compiler warning clean-up.
1461 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1462 frequent hw-trace messages.
1463
1464Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1465
1466 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1467
1468Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1469
1470 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1471
1472 * vr.igen: New file.
1473 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1474 * mips.igen: Define vr4100 model. Include vr.igen.
1475Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1476
1477 * mips.igen (check_mf_hilo): Correct check.
1478
1479Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1480
1481 * sim-main.h (interrupt_event): Add prototype.
1482
1483 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1484 register_ptr, register_value.
1485 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1486
1487 * sim-main.h (tracefh): Make extern.
1488
1489Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1490
1491 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1492 Reduce unnecessarily high timer event frequency.
1493 * dv-tx3904cpu.c: Ditto for interrupt event.
1494
1495Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1496
1497 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1498 to allay warnings.
1499 (interrupt_event): Made non-static.
1500
1501 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1502 interchange of configuration values for external vs. internal
1503 clock dividers.
1504
1505Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1506
1507 * mips.igen (BREAK): Moved code to here for
1508 simulator-reserved break instructions.
1509 * gencode.c (build_instruction): Ditto.
1510 * interp.c (signal_exception): Code moved from here. Non-
1511 reserved instructions now use exception vector, rather
1512 than halting sim.
1513 * sim-main.h: Moved magic constants to here.
1514
1515Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1516
1517 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1518 register upon non-zero interrupt event level, clear upon zero
1519 event value.
1520 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1521 by passing zero event value.
1522 (*_io_{read,write}_buffer): Endianness fixes.
1523 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1524 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1525
1526 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1527 serial I/O and timer module at base address 0xFFFF0000.
1528
1529Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1530
1531 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1532 and BigEndianCPU.
1533
1534Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1535
1536 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1537 parts.
1538 * configure: Update.
1539
1540Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1541
1542 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1543 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1544 * configure.in: Include tx3904tmr in hw_device list.
1545 * configure: Rebuilt.
1546 * interp.c (sim_open): Instantiate three timer instances.
1547 Fix address typo of tx3904irc instance.
1548
1549Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1550
1551 * interp.c (signal_exception): SystemCall exception now uses
1552 the exception vector.
1553
1554Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1555
1556 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1557 to allay warnings.
1558
1559Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1560
1561 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1562
1563Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1564
1565 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1566
1567 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1568 sim-main.h. Declare a struct hw_descriptor instead of struct
1569 hw_device_descriptor.
1570
1571Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1572
1573 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1574 right bits and then re-align left hand bytes to correct byte
1575 lanes. Fix incorrect computation in do_store_left when loading
1576 bytes from second word.
1577
1578Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1579
1580 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1581 * interp.c (sim_open): Only create a device tree when HW is
1582 enabled.
1583
1584 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1585 * interp.c (signal_exception): Ditto.
1586
1587Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1588
1589 * gencode.c: Mark BEGEZALL as LIKELY.
1590
1591Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1592
1593 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1594 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1595
1596Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1597
1598 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1599 modules. Recognize TX39 target with "mips*tx39" pattern.
1600 * configure: Rebuilt.
1601 * sim-main.h (*): Added many macros defining bits in
1602 TX39 control registers.
1603 (SignalInterrupt): Send actual PC instead of NULL.
1604 (SignalNMIReset): New exception type.
1605 * interp.c (board): New variable for future use to identify
1606 a particular board being simulated.
1607 (mips_option_handler,mips_options): Added "--board" option.
1608 (interrupt_event): Send actual PC.
1609 (sim_open): Make memory layout conditional on board setting.
1610 (signal_exception): Initial implementation of hardware interrupt
1611 handling. Accept another break instruction variant for simulator
1612 exit.
1613 (decode_coproc): Implement RFE instruction for TX39.
1614 (mips.igen): Decode RFE instruction as such.
1615 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1616 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1617 bbegin to implement memory map.
1618 * dv-tx3904cpu.c: New file.
1619 * dv-tx3904irc.c: New file.
1620
1621Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1622
1623 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1624
1625Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1626
1627 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1628 with calls to check_div_hilo.
1629
1630Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1631
1632 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1633 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1634 Add special r3900 version of do_mult_hilo.
1635 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1636 with calls to check_mult_hilo.
1637 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1638 with calls to check_div_hilo.
1639
1640Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1641
1642 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1643 Document a replacement.
1644
1645Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1646
1647 * interp.c (sim_monitor): Make mon_printf work.
1648
1649Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1650
1651 * sim-main.h (INSN_NAME): New arg `cpu'.
1652
1653Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1654
1655 * configure: Regenerated to track ../common/aclocal.m4 changes.
1656
1657Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1658
1659 * configure: Regenerated to track ../common/aclocal.m4 changes.
1660 * config.in: Ditto.
1661
1662Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1663
1664 * acconfig.h: New file.
1665 * configure.in: Reverted change of Apr 24; use sinclude again.
1666
1667Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1668
1669 * configure: Regenerated to track ../common/aclocal.m4 changes.
1670 * config.in: Ditto.
1671
1672Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1673
1674 * configure.in: Don't call sinclude.
1675
1676Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1677
1678 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1679
1680Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1681
1682 * mips.igen (ERET): Implement.
1683
1684 * interp.c (decode_coproc): Return sign-extended EPC.
1685
1686 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1687
1688 * interp.c (signal_exception): Do not ignore Trap.
1689 (signal_exception): On TRAP, restart at exception address.
1690 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1691 (signal_exception): Update.
1692 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1693 so that TRAP instructions are caught.
1694
1695Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1696
1697 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1698 contains HI/LO access history.
1699 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1700 (HIACCESS, LOACCESS): Delete, replace with
1701 (HIHISTORY, LOHISTORY): New macros.
1702 (CHECKHILO): Delete all, moved to mips.igen
1703
1704 * gencode.c (build_instruction): Do not generate checks for
1705 correct HI/LO register usage.
1706
1707 * interp.c (old_engine_run): Delete checks for correct HI/LO
1708 register usage.
1709
1710 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1711 check_mf_cycles): New functions.
1712 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1713 do_divu, domultx, do_mult, do_multu): Use.
1714
1715 * tx.igen ("madd", "maddu"): Use.
1716
1717Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1718
1719 * mips.igen (DSRAV): Use function do_dsrav.
1720 (SRAV): Use new function do_srav.
1721
1722 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1723 (B): Sign extend 11 bit immediate.
1724 (EXT-B*): Shift 16 bit immediate left by 1.
1725 (ADDIU*): Don't sign extend immediate value.
1726
1727Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1728
1729 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1730
1731 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1732 functions.
1733
1734 * mips.igen (delayslot32, nullify_next_insn): New functions.
1735 (m16.igen): Always include.
1736 (do_*): Add more tracing.
1737
1738 * m16.igen (delayslot16): Add NIA argument, could be called by a
1739 32 bit MIPS16 instruction.
1740
1741 * interp.c (ifetch16): Move function from here.
1742 * sim-main.c (ifetch16): To here.
1743
1744 * sim-main.c (ifetch16, ifetch32): Update to match current
1745 implementations of LH, LW.
1746 (signal_exception): Don't print out incorrect hex value of illegal
1747 instruction.
1748
1749Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1750
1751 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1752 instruction.
1753
1754 * m16.igen: Implement MIPS16 instructions.
1755
1756 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1757 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1758 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1759 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1760 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1761 bodies of corresponding code from 32 bit insn to these. Also used
1762 by MIPS16 versions of functions.
1763
1764 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1765 (IMEM16): Drop NR argument from macro.
1766
1767Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1768
1769 * Makefile.in (SIM_OBJS): Add sim-main.o.
1770
1771 * sim-main.h (address_translation, load_memory, store_memory,
1772 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1773 as INLINE_SIM_MAIN.
1774 (pr_addr, pr_uword64): Declare.
1775 (sim-main.c): Include when H_REVEALS_MODULE_P.
1776
1777 * interp.c (address_translation, load_memory, store_memory,
1778 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1779 from here.
1780 * sim-main.c: To here. Fix compilation problems.
1781
1782 * configure.in: Enable inlining.
1783 * configure: Re-config.
1784
1785Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1786
1787 * configure: Regenerated to track ../common/aclocal.m4 changes.
1788
1789Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1790
1791 * mips.igen: Include tx.igen.
1792 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1793 * tx.igen: New file, contains MADD and MADDU.
1794
1795 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1796 the hardwired constant `7'.
1797 (store_memory): Ditto.
1798 (LOADDRMASK): Move definition to sim-main.h.
1799
1800 mips.igen (MTC0): Enable for r3900.
1801 (ADDU): Add trace.
1802
1803 mips.igen (do_load_byte): Delete.
1804 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1805 do_store_right): New functions.
1806 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1807
1808 configure.in: Let the tx39 use igen again.
1809 configure: Update.
1810
1811Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1812
1813 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1814 not an address sized quantity. Return zero for cache sizes.
1815
1816Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1817
1818 * mips.igen (r3900): r3900 does not support 64 bit integer
1819 operations.
1820
1821Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1822
1823 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1824 than igen one.
1825 * configure : Rebuild.
1826
1827Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1828
1829 * configure: Regenerated to track ../common/aclocal.m4 changes.
1830
1831Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1832
1833 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1834
1835Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1836
1837 * configure: Regenerated to track ../common/aclocal.m4 changes.
1838 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1839
1840Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1841
1842 * configure: Regenerated to track ../common/aclocal.m4 changes.
1843
1844Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1845
1846 * interp.c (Max, Min): Comment out functions. Not yet used.
1847
1848Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1849
1850 * configure: Regenerated to track ../common/aclocal.m4 changes.
1851
1852Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1853
1854 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1855 configurable settings for stand-alone simulator.
1856
1857 * configure.in: Added X11 search, just in case.
1858
1859 * configure: Regenerated.
1860
1861Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1862
1863 * interp.c (sim_write, sim_read, load_memory, store_memory):
1864 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1865
1866Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1867
1868 * sim-main.h (GETFCC): Return an unsigned value.
1869
1870Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1871
1872 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1873 (DADD): Result destination is RD not RT.
1874
1875Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1876
1877 * sim-main.h (HIACCESS, LOACCESS): Always define.
1878
1879 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1880
1881 * interp.c (sim_info): Delete.
1882
1883Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1884
1885 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1886 (mips_option_handler): New argument `cpu'.
1887 (sim_open): Update call to sim_add_option_table.
1888
1889Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1890
1891 * mips.igen (CxC1): Add tracing.
1892
1893Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1894
1895 * sim-main.h (Max, Min): Declare.
1896
1897 * interp.c (Max, Min): New functions.
1898
1899 * mips.igen (BC1): Add tracing.
1900
1901Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1902
1903 * interp.c Added memory map for stack in vr4100
1904
1905Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1906
1907 * interp.c (load_memory): Add missing "break"'s.
1908
1909Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1910
1911 * interp.c (sim_store_register, sim_fetch_register): Pass in
1912 length parameter. Return -1.
1913
1914Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1915
1916 * interp.c: Added hardware init hook, fixed warnings.
1917
1918Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1919
1920 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1921
1922Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1923
1924 * interp.c (ifetch16): New function.
1925
1926 * sim-main.h (IMEM32): Rename IMEM.
1927 (IMEM16_IMMED): Define.
1928 (IMEM16): Define.
1929 (DELAY_SLOT): Update.
1930
1931 * m16run.c (sim_engine_run): New file.
1932
1933 * m16.igen: All instructions except LB.
1934 (LB): Call do_load_byte.
1935 * mips.igen (do_load_byte): New function.
1936 (LB): Call do_load_byte.
1937
1938 * mips.igen: Move spec for insn bit size and high bit from here.
1939 * Makefile.in (tmp-igen, tmp-m16): To here.
1940
1941 * m16.dc: New file, decode mips16 instructions.
1942
1943 * Makefile.in (SIM_NO_ALL): Define.
1944 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1945
1946Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1947
1948 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1949 point unit to 32 bit registers.
1950 * configure: Re-generate.
1951
1952Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1953
1954 * configure.in (sim_use_gen): Make IGEN the default simulator
1955 generator for generic 32 and 64 bit mips targets.
1956 * configure: Re-generate.
1957
1958Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1959
1960 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1961 bitsize.
1962
1963 * interp.c (sim_fetch_register, sim_store_register): Read/write
1964 FGR from correct location.
1965 (sim_open): Set size of FGR's according to
1966 WITH_TARGET_FLOATING_POINT_BITSIZE.
1967
1968 * sim-main.h (FGR): Store floating point registers in a separate
1969 array.
1970
1971Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1972
1973 * configure: Regenerated to track ../common/aclocal.m4 changes.
1974
1975Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1976
1977 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1978
1979 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1980
1981 * interp.c (pending_tick): New function. Deliver pending writes.
1982
1983 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1984 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1985 it can handle mixed sized quantites and single bits.
1986
1987Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1988
1989 * interp.c (oengine.h): Do not include when building with IGEN.
1990 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1991 (sim_info): Ditto for PROCESSOR_64BIT.
1992 (sim_monitor): Replace ut_reg with unsigned_word.
1993 (*): Ditto for t_reg.
1994 (LOADDRMASK): Define.
1995 (sim_open): Remove defunct check that host FP is IEEE compliant,
1996 using software to emulate floating point.
1997 (value_fpr, ...): Always compile, was conditional on HASFPU.
1998
1999Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
2000
2001 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
2002 size.
2003
2004 * interp.c (SD, CPU): Define.
2005 (mips_option_handler): Set flags in each CPU.
2006 (interrupt_event): Assume CPU 0 is the one being iterrupted.
2007 (sim_close): Do not clear STATE, deleted anyway.
2008 (sim_write, sim_read): Assume CPU zero's vm should be used for
2009 data transfers.
2010 (sim_create_inferior): Set the PC for all processors.
2011 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
2012 argument.
2013 (mips16_entry): Pass correct nr of args to store_word, load_word.
2014 (ColdReset): Cold reset all cpu's.
2015 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
2016 (sim_monitor, load_memory, store_memory, signal_exception): Use
2017 `CPU' instead of STATE_CPU.
2018
2019
2020 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
2021 SD or CPU_.
2022
2023 * sim-main.h (signal_exception): Add sim_cpu arg.
2024 (SignalException*): Pass both SD and CPU to signal_exception.
2025 * interp.c (signal_exception): Update.
2026
2027 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
2028 Ditto
2029 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2030 address_translation): Ditto
2031 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
2032
2033Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2034
2035 * configure: Regenerated to track ../common/aclocal.m4 changes.
2036
2037Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2038
2039 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2040
2041 * mips.igen (model): Map processor names onto BFD name.
2042
2043 * sim-main.h (CPU_CIA): Delete.
2044 (SET_CIA, GET_CIA): Define
2045
2046Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2047
2048 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2049 regiser.
2050
2051 * configure.in (default_endian): Configure a big-endian simulator
2052 by default.
2053 * configure: Re-generate.
2054
2055Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2056
2057 * configure: Regenerated to track ../common/aclocal.m4 changes.
2058
2059Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2060
2061 * interp.c (sim_monitor): Handle Densan monitor outbyte
2062 and inbyte functions.
2063
20641997-12-29 Felix Lee <flee@cygnus.com>
2065
2066 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2067
2068Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2069
2070 * Makefile.in (tmp-igen): Arrange for $zero to always be
2071 reset to zero after every instruction.
2072
2073Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2074
2075 * configure: Regenerated to track ../common/aclocal.m4 changes.
2076 * config.in: Ditto.
2077
2078Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2079
2080 * mips.igen (MSUB): Fix to work like MADD.
2081 * gencode.c (MSUB): Similarly.
2082
2083Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2084
2085 * configure: Regenerated to track ../common/aclocal.m4 changes.
2086
2087Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2088
2089 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2090
2091Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2092
2093 * sim-main.h (sim-fpu.h): Include.
2094
2095 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2096 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2097 using host independant sim_fpu module.
2098
2099Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2100
2101 * interp.c (signal_exception): Report internal errors with SIGABRT
2102 not SIGQUIT.
2103
2104 * sim-main.h (C0_CONFIG): New register.
2105 (signal.h): No longer include.
2106
2107 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2108
2109Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2110
2111 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2112
2113Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2114
2115 * mips.igen: Tag vr5000 instructions.
2116 (ANDI): Was missing mipsIV model, fix assembler syntax.
2117 (do_c_cond_fmt): New function.
2118 (C.cond.fmt): Handle mips I-III which do not support CC field
2119 separatly.
2120 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2121 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2122 in IV3.2 spec.
2123 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2124 vr5000 which saves LO in a GPR separatly.
2125
2126 * configure.in (enable-sim-igen): For vr5000, select vr5000
2127 specific instructions.
2128 * configure: Re-generate.
2129
2130Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2131
2132 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2133
2134 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2135 fmt_uninterpreted_64 bit cases to switch. Convert to
2136 fmt_formatted,
2137
2138 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2139
2140 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2141 as specified in IV3.2 spec.
2142 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2143
2144Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2145
2146 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2147 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2148 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2149 PENDING_FILL versions of instructions. Simplify.
2150 (X): New function.
2151 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2152 instructions.
2153 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2154 a signed value.
2155 (MTHI, MFHI): Disable code checking HI-LO.
2156
2157 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2158 global.
2159 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2160
2161Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2162
2163 * gencode.c (build_mips16_operands): Replace IPC with cia.
2164
2165 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2166 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2167 IPC to `cia'.
2168 (UndefinedResult): Replace function with macro/function
2169 combination.
2170 (sim_engine_run): Don't save PC in IPC.
2171
2172 * sim-main.h (IPC): Delete.
2173
2174
2175 * interp.c (signal_exception, store_word, load_word,
2176 address_translation, load_memory, store_memory, cache_op,
2177 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2178 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2179 current instruction address - cia - argument.
2180 (sim_read, sim_write): Call address_translation directly.
2181 (sim_engine_run): Rename variable vaddr to cia.
2182 (signal_exception): Pass cia to sim_monitor
2183
2184 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2185 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2186 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2187
2188 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2189 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2190 SIM_ASSERT.
2191
2192 * interp.c (signal_exception): Pass restart address to
2193 sim_engine_restart.
2194
2195 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2196 idecode.o): Add dependency.
2197
2198 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2199 Delete definitions
2200 (DELAY_SLOT): Update NIA not PC with branch address.
2201 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2202
2203 * mips.igen: Use CIA not PC in branch calculations.
2204 (illegal): Call SignalException.
2205 (BEQ, ADDIU): Fix assembler.
2206
2207Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2208
2209 * m16.igen (JALX): Was missing.
2210
2211 * configure.in (enable-sim-igen): New configuration option.
2212 * configure: Re-generate.
2213
2214 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2215
2216 * interp.c (load_memory, store_memory): Delete parameter RAW.
2217 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2218 bypassing {load,store}_memory.
2219
2220 * sim-main.h (ByteSwapMem): Delete definition.
2221
2222 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2223
2224 * interp.c (sim_do_command, sim_commands): Delete mips specific
2225 commands. Handled by module sim-options.
2226
2227 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2228 (WITH_MODULO_MEMORY): Define.
2229
2230 * interp.c (sim_info): Delete code printing memory size.
2231
2232 * interp.c (mips_size): Nee sim_size, delete function.
2233 (power2): Delete.
2234 (monitor, monitor_base, monitor_size): Delete global variables.
2235 (sim_open, sim_close): Delete code creating monitor and other
2236 memory regions. Use sim-memopts module, via sim_do_commandf, to
2237 manage memory regions.
2238 (load_memory, store_memory): Use sim-core for memory model.
2239
2240 * interp.c (address_translation): Delete all memory map code
2241 except line forcing 32 bit addresses.
2242
2243Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2244
2245 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2246 trace options.
2247
2248 * interp.c (logfh, logfile): Delete globals.
2249 (sim_open, sim_close): Delete code opening & closing log file.
2250 (mips_option_handler): Delete -l and -n options.
2251 (OPTION mips_options): Ditto.
2252
2253 * interp.c (OPTION mips_options): Rename option trace to dinero.
2254 (mips_option_handler): Update.
2255
2256Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2257
2258 * interp.c (fetch_str): New function.
2259 (sim_monitor): Rewrite using sim_read & sim_write.
2260 (sim_open): Check magic number.
2261 (sim_open): Write monitor vectors into memory using sim_write.
2262 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2263 (sim_read, sim_write): Simplify - transfer data one byte at a
2264 time.
2265 (load_memory, store_memory): Clarify meaning of parameter RAW.
2266
2267 * sim-main.h (isHOST): Defete definition.
2268 (isTARGET): Mark as depreciated.
2269 (address_translation): Delete parameter HOST.
2270
2271 * interp.c (address_translation): Delete parameter HOST.
2272
2273Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2274
2275 * mips.igen:
2276
2277 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2278 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2279
2280Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2281
2282 * mips.igen: Add model filter field to records.
2283
2284Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2285
2286 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2287
2288 interp.c (sim_engine_run): Do not compile function sim_engine_run
2289 when WITH_IGEN == 1.
2290
2291 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2292 target architecture.
2293
2294 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2295 igen. Replace with configuration variables sim_igen_flags /
2296 sim_m16_flags.
2297
2298 * m16.igen: New file. Copy mips16 insns here.
2299 * mips.igen: From here.
2300
2301Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2302
2303 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2304 to top.
2305 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2306
2307Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2308
2309 * gencode.c (build_instruction): Follow sim_write's lead in using
2310 BigEndianMem instead of !ByteSwapMem.
2311
2312Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2313
2314 * configure.in (sim_gen): Dependent on target, select type of
2315 generator. Always select old style generator.
2316
2317 configure: Re-generate.
2318
2319 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2320 targets.
2321 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2322 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2323 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2324 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2325 SIM_@sim_gen@_*, set by autoconf.
2326
2327Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2328
2329 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2330
2331 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2332 CURRENT_FLOATING_POINT instead.
2333
2334 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2335 (address_translation): Raise exception InstructionFetch when
2336 translation fails and isINSTRUCTION.
2337
2338 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2339 sim_engine_run): Change type of of vaddr and paddr to
2340 address_word.
2341 (address_translation, prefetch, load_memory, store_memory,
2342 cache_op): Change type of vAddr and pAddr to address_word.
2343
2344 * gencode.c (build_instruction): Change type of vaddr and paddr to
2345 address_word.
2346
2347Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2348
2349 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2350 macro to obtain result of ALU op.
2351
2352Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2353
2354 * interp.c (sim_info): Call profile_print.
2355
2356Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2357
2358 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2359
2360 * sim-main.h (WITH_PROFILE): Do not define, defined in
2361 common/sim-config.h. Use sim-profile module.
2362 (simPROFILE): Delete defintion.
2363
2364 * interp.c (PROFILE): Delete definition.
2365 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2366 (sim_close): Delete code writing profile histogram.
2367 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2368 Delete.
2369 (sim_engine_run): Delete code profiling the PC.
2370
2371Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2372
2373 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2374
2375 * interp.c (sim_monitor): Make register pointers of type
2376 unsigned_word*.
2377
2378 * sim-main.h: Make registers of type unsigned_word not
2379 signed_word.
2380
2381Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2382
2383 * interp.c (sync_operation): Rename from SyncOperation, make
2384 global, add SD argument.
2385 (prefetch): Rename from Prefetch, make global, add SD argument.
2386 (decode_coproc): Make global.
2387
2388 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2389
2390 * gencode.c (build_instruction): Generate DecodeCoproc not
2391 decode_coproc calls.
2392
2393 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2394 (SizeFGR): Move to sim-main.h
2395 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2396 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2397 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2398 sim-main.h.
2399 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2400 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2401 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2402 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2403 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2404 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2405
2406 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2407 exception.
2408 (sim-alu.h): Include.
2409 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2410 (sim_cia): Typedef to instruction_address.
2411
2412Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2413
2414 * Makefile.in (interp.o): Rename generated file engine.c to
2415 oengine.c.
2416
2417 * interp.c: Update.
2418
2419Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2420
2421 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2422
2423Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2424
2425 * gencode.c (build_instruction): For "FPSQRT", output correct
2426 number of arguments to Recip.
2427
2428Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2429
2430 * Makefile.in (interp.o): Depends on sim-main.h
2431
2432 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2433
2434 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2435 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2436 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2437 STATE, DSSTATE): Define
2438 (GPR, FGRIDX, ..): Define.
2439
2440 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2441 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2442 (GPR, FGRIDX, ...): Delete macros.
2443
2444 * interp.c: Update names to match defines from sim-main.h
2445
2446Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2447
2448 * interp.c (sim_monitor): Add SD argument.
2449 (sim_warning): Delete. Replace calls with calls to
2450 sim_io_eprintf.
2451 (sim_error): Delete. Replace calls with sim_io_error.
2452 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2453 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2454 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2455 argument.
2456 (mips_size): Rename from sim_size. Add SD argument.
2457
2458 * interp.c (simulator): Delete global variable.
2459 (callback): Delete global variable.
2460 (mips_option_handler, sim_open, sim_write, sim_read,
2461 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2462 sim_size,sim_monitor): Use sim_io_* not callback->*.
2463 (sim_open): ZALLOC simulator struct.
2464 (PROFILE): Do not define.
2465
2466Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2467
2468 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2469 support.h with corresponding code.
2470
2471 * sim-main.h (word64, uword64), support.h: Move definition to
2472 sim-main.h.
2473 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2474
2475 * support.h: Delete
2476 * Makefile.in: Update dependencies
2477 * interp.c: Do not include.
2478
2479Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2480
2481 * interp.c (address_translation, load_memory, store_memory,
2482 cache_op): Rename to from AddressTranslation et.al., make global,
2483 add SD argument
2484
2485 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2486 CacheOp): Define.
2487
2488 * interp.c (SignalException): Rename to signal_exception, make
2489 global.
2490
2491 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2492
2493 * sim-main.h (SignalException, SignalExceptionInterrupt,
2494 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2495 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2496 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2497 Define.
2498
2499 * interp.c, support.h: Use.
2500
2501Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2502
2503 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2504 to value_fpr / store_fpr. Add SD argument.
2505 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2506 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2507
2508 * sim-main.h (ValueFPR, StoreFPR): Define.
2509
2510Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2511
2512 * interp.c (sim_engine_run): Check consistency between configure
2513 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2514 and HASFPU.
2515
2516 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2517 (mips_fpu): Configure WITH_FLOATING_POINT.
2518 (mips_endian): Configure WITH_TARGET_ENDIAN.
2519 * configure: Update.
2520
2521Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2522
2523 * configure: Regenerated to track ../common/aclocal.m4 changes.
2524
2525Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2526
2527 * configure: Regenerated.
2528
2529Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2530
2531 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2532
2533Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2534
2535 * gencode.c (print_igen_insn_models): Assume certain architectures
2536 include all mips* instructions.
2537 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2538 instruction.
2539
2540 * Makefile.in (tmp.igen): Add target. Generate igen input from
2541 gencode file.
2542
2543 * gencode.c (FEATURE_IGEN): Define.
2544 (main): Add --igen option. Generate output in igen format.
2545 (process_instructions): Format output according to igen option.
2546 (print_igen_insn_format): New function.
2547 (print_igen_insn_models): New function.
2548 (process_instructions): Only issue warnings and ignore
2549 instructions when no FEATURE_IGEN.
2550
2551Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2552
2553 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2554 MIPS targets.
2555
2556Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2557
2558 * configure: Regenerated to track ../common/aclocal.m4 changes.
2559
2560Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2561
2562 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2563 SIM_RESERVED_BITS): Delete, moved to common.
2564 (SIM_EXTRA_CFLAGS): Update.
2565
2566Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2567
2568 * configure.in: Configure non-strict memory alignment.
2569 * configure: Regenerated to track ../common/aclocal.m4 changes.
2570
2571Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2572
2573 * configure: Regenerated to track ../common/aclocal.m4 changes.
2574
2575Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2576
2577 * gencode.c (SDBBP,DERET): Added (3900) insns.
2578 (RFE): Turn on for 3900.
2579 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2580 (dsstate): Made global.
2581 (SUBTARGET_R3900): Added.
2582 (CANCELDELAYSLOT): New.
2583 (SignalException): Ignore SystemCall rather than ignore and
2584 terminate. Add DebugBreakPoint handling.
2585 (decode_coproc): New insns RFE, DERET; and new registers Debug
2586 and DEPC protected by SUBTARGET_R3900.
2587 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2588 bits explicitly.
2589 * Makefile.in,configure.in: Add mips subtarget option.
2590 * configure: Update.
2591
2592Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2593
2594 * gencode.c: Add r3900 (tx39).
2595
2596
2597Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2598
2599 * gencode.c (build_instruction): Don't need to subtract 4 for
2600 JALR, just 2.
2601
2602Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2603
2604 * interp.c: Correct some HASFPU problems.
2605
2606Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2607
2608 * configure: Regenerated to track ../common/aclocal.m4 changes.
2609
2610Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2611
2612 * interp.c (mips_options): Fix samples option short form, should
2613 be `x'.
2614
2615Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2616
2617 * interp.c (sim_info): Enable info code. Was just returning.
2618
2619Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2620
2621 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2622 MFC0.
2623
2624Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2625
2626 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2627 constants.
2628 (build_instruction): Ditto for LL.
2629
2630Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2631
2632 * configure: Regenerated to track ../common/aclocal.m4 changes.
2633
2634Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2635
2636 * configure: Regenerated to track ../common/aclocal.m4 changes.
2637 * config.in: Ditto.
2638
2639Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2640
2641 * interp.c (sim_open): Add call to sim_analyze_program, update
2642 call to sim_config.
2643
2644Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2645
2646 * interp.c (sim_kill): Delete.
2647 (sim_create_inferior): Add ABFD argument. Set PC from same.
2648 (sim_load): Move code initializing trap handlers from here.
2649 (sim_open): To here.
2650 (sim_load): Delete, use sim-hload.c.
2651
2652 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2653
2654Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2655
2656 * configure: Regenerated to track ../common/aclocal.m4 changes.
2657 * config.in: Ditto.
2658
2659Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2660
2661 * interp.c (sim_open): Add ABFD argument.
2662 (sim_load): Move call to sim_config from here.
2663 (sim_open): To here. Check return status.
2664
2665Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2666
2667 * gencode.c (build_instruction): Two arg MADD should
2668 not assign result to $0.
2669
2670Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2671
2672 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2673 * sim/mips/configure.in: Regenerate.
2674
2675Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2676
2677 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2678 signed8, unsigned8 et.al. types.
2679
2680 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2681 hosts when selecting subreg.
2682
2683Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2684
2685 * interp.c (sim_engine_run): Reset the ZERO register to zero
2686 regardless of FEATURE_WARN_ZERO.
2687 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2688
2689Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2690
2691 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2692 (SignalException): For BreakPoints ignore any mode bits and just
2693 save the PC.
2694 (SignalException): Always set the CAUSE register.
2695
2696Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2697
2698 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2699 exception has been taken.
2700
2701 * interp.c: Implement the ERET and mt/f sr instructions.
2702
2703Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2704
2705 * interp.c (SignalException): Don't bother restarting an
2706 interrupt.
2707
2708Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2709
2710 * interp.c (SignalException): Really take an interrupt.
2711 (interrupt_event): Only deliver interrupts when enabled.
2712
2713Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2714
2715 * interp.c (sim_info): Only print info when verbose.
2716 (sim_info) Use sim_io_printf for output.
2717
2718Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2719
2720 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2721 mips architectures.
2722
2723Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2724
2725 * interp.c (sim_do_command): Check for common commands if a
2726 simulator specific command fails.
2727
2728Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2729
2730 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2731 and simBE when DEBUG is defined.
2732
2733Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2734
2735 * interp.c (interrupt_event): New function. Pass exception event
2736 onto exception handler.
2737
2738 * configure.in: Check for stdlib.h.
2739 * configure: Regenerate.
2740
2741 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2742 variable declaration.
2743 (build_instruction): Initialize memval1.
2744 (build_instruction): Add UNUSED attribute to byte, bigend,
2745 reverse.
2746 (build_operands): Ditto.
2747
2748 * interp.c: Fix GCC warnings.
2749 (sim_get_quit_code): Delete.
2750
2751 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2752 * Makefile.in: Ditto.
2753 * configure: Re-generate.
2754
2755 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2756
2757Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2758
2759 * interp.c (mips_option_handler): New function parse argumes using
2760 sim-options.
2761 (myname): Replace with STATE_MY_NAME.
2762 (sim_open): Delete check for host endianness - performed by
2763 sim_config.
2764 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2765 (sim_open): Move much of the initialization from here.
2766 (sim_load): To here. After the image has been loaded and
2767 endianness set.
2768 (sim_open): Move ColdReset from here.
2769 (sim_create_inferior): To here.
2770 (sim_open): Make FP check less dependant on host endianness.
2771
2772 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2773 run.
2774 * interp.c (sim_set_callbacks): Delete.
2775
2776 * interp.c (membank, membank_base, membank_size): Replace with
2777 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2778 (sim_open): Remove call to callback->init. gdb/run do this.
2779
2780 * interp.c: Update
2781
2782 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2783
2784 * interp.c (big_endian_p): Delete, replaced by
2785 current_target_byte_order.
2786
2787Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2788
2789 * interp.c (host_read_long, host_read_word, host_swap_word,
2790 host_swap_long): Delete. Using common sim-endian.
2791 (sim_fetch_register, sim_store_register): Use H2T.
2792 (pipeline_ticks): Delete. Handled by sim-events.
2793 (sim_info): Update.
2794 (sim_engine_run): Update.
2795
2796Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2797
2798 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2799 reason from here.
2800 (SignalException): To here. Signal using sim_engine_halt.
2801 (sim_stop_reason): Delete, moved to common.
2802
2803Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2804
2805 * interp.c (sim_open): Add callback argument.
2806 (sim_set_callbacks): Delete SIM_DESC argument.
2807 (sim_size): Ditto.
2808
2809Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2810
2811 * Makefile.in (SIM_OBJS): Add common modules.
2812
2813 * interp.c (sim_set_callbacks): Also set SD callback.
2814 (set_endianness, xfer_*, swap_*): Delete.
2815 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2816 Change to functions using sim-endian macros.
2817 (control_c, sim_stop): Delete, use common version.
2818 (simulate): Convert into.
2819 (sim_engine_run): This function.
2820 (sim_resume): Delete.
2821
2822 * interp.c (simulation): New variable - the simulator object.
2823 (sim_kind): Delete global - merged into simulation.
2824 (sim_load): Cleanup. Move PC assignment from here.
2825 (sim_create_inferior): To here.
2826
2827 * sim-main.h: New file.
2828 * interp.c (sim-main.h): Include.
2829
2830Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2831
2832 * configure: Regenerated to track ../common/aclocal.m4 changes.
2833
2834Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2835
2836 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2837
2838Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2839
2840 * gencode.c (build_instruction): DIV instructions: check
2841 for division by zero and integer overflow before using
2842 host's division operation.
2843
2844Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2845
2846 * Makefile.in (SIM_OBJS): Add sim-load.o.
2847 * interp.c: #include bfd.h.
2848 (target_byte_order): Delete.
2849 (sim_kind, myname, big_endian_p): New static locals.
2850 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2851 after argument parsing. Recognize -E arg, set endianness accordingly.
2852 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2853 load file into simulator. Set PC from bfd.
2854 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2855 (set_endianness): Use big_endian_p instead of target_byte_order.
2856
2857Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2858
2859 * interp.c (sim_size): Delete prototype - conflicts with
2860 definition in remote-sim.h. Correct definition.
2861
2862Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2863
2864 * configure: Regenerated to track ../common/aclocal.m4 changes.
2865 * config.in: Ditto.
2866
2867Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2868
2869 * interp.c (sim_open): New arg `kind'.
2870
2871 * configure: Regenerated to track ../common/aclocal.m4 changes.
2872
2873Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2874
2875 * configure: Regenerated to track ../common/aclocal.m4 changes.
2876
2877Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2878
2879 * interp.c (sim_open): Set optind to 0 before calling getopt.
2880
2881Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2882
2883 * configure: Regenerated to track ../common/aclocal.m4 changes.
2884
2885Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2886
2887 * interp.c : Replace uses of pr_addr with pr_uword64
2888 where the bit length is always 64 independent of SIM_ADDR.
2889 (pr_uword64) : added.
2890
2891Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2892
2893 * configure: Re-generate.
2894
2895Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2896
2897 * configure: Regenerate to track ../common/aclocal.m4 changes.
2898
2899Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2900
2901 * interp.c (sim_open): New SIM_DESC result. Argument is now
2902 in argv form.
2903 (other sim_*): New SIM_DESC argument.
2904
2905Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2906
2907 * interp.c: Fix printing of addresses for non-64-bit targets.
2908 (pr_addr): Add function to print address based on size.
2909
2910Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2911
2912 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2913
2914Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2915
2916 * gencode.c (build_mips16_operands): Correct computation of base
2917 address for extended PC relative instruction.
2918
2919Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2920
2921 * interp.c (mips16_entry): Add support for floating point cases.
2922 (SignalException): Pass floating point cases to mips16_entry.
2923 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2924 registers.
2925 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2926 or fmt_word.
2927 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2928 and then set the state to fmt_uninterpreted.
2929 (COP_SW): Temporarily set the state to fmt_word while calling
2930 ValueFPR.
2931
2932Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2933
2934 * gencode.c (build_instruction): The high order may be set in the
2935 comparison flags at any ISA level, not just ISA 4.
2936
2937Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2938
2939 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2940 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2941 * configure.in: sinclude ../common/aclocal.m4.
2942 * configure: Regenerated.
2943
2944Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2945
2946 * configure: Rebuild after change to aclocal.m4.
2947
2948Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2949
2950 * configure configure.in Makefile.in: Update to new configure
2951 scheme which is more compatible with WinGDB builds.
2952 * configure.in: Improve comment on how to run autoconf.
2953 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2954 * Makefile.in: Use autoconf substitution to install common
2955 makefile fragment.
2956
2957Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2958
2959 * gencode.c (build_instruction): Use BigEndianCPU instead of
2960 ByteSwapMem.
2961
2962Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2963
2964 * interp.c (sim_monitor): Make output to stdout visible in
2965 wingdb's I/O log window.
2966
2967Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2968
2969 * support.h: Undo previous change to SIGTRAP
2970 and SIGQUIT values.
2971
2972Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2973
2974 * interp.c (store_word, load_word): New static functions.
2975 (mips16_entry): New static function.
2976 (SignalException): Look for mips16 entry and exit instructions.
2977 (simulate): Use the correct index when setting fpr_state after
2978 doing a pending move.
2979
2980Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2981
2982 * interp.c: Fix byte-swapping code throughout to work on
2983 both little- and big-endian hosts.
2984
2985Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2986
2987 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2988 with gdb/config/i386/xm-windows.h.
2989
2990Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2991
2992 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2993 that messes up arithmetic shifts.
2994
2995Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2996
2997 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2998 SIGTRAP and SIGQUIT for _WIN32.
2999
3000Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
3001
3002 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
3003 force a 64 bit multiplication.
3004 (build_instruction) [OR]: In mips16 mode, don't do anything if the
3005 destination register is 0, since that is the default mips16 nop
3006 instruction.
3007
3008Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
3009
3010 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
3011 (build_endian_shift): Don't check proc64.
3012 (build_instruction): Always set memval to uword64. Cast op2 to
3013 uword64 when shifting it left in memory instructions. Always use
3014 the same code for stores--don't special case proc64.
3015
3016 * gencode.c (build_mips16_operands): Fix base PC value for PC
3017 relative operands.
3018 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
3019 jal instruction.
3020 * interp.c (simJALDELAYSLOT): Define.
3021 (JALDELAYSLOT): Define.
3022 (INDELAYSLOT, INJALDELAYSLOT): Define.
3023 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
3024
3025Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
3026
3027 * interp.c (sim_open): add flush_cache as a PMON routine
3028 (sim_monitor): handle flush_cache by ignoring it
3029
3030Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3031
3032 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3033 BigEndianMem.
3034 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3035 (BigEndianMem): Rename to ByteSwapMem and change sense.
3036 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3037 BigEndianMem references to !ByteSwapMem.
3038 (set_endianness): New function, with prototype.
3039 (sim_open): Call set_endianness.
3040 (sim_info): Use simBE instead of BigEndianMem.
3041 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3042 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3043 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3044 ifdefs, keeping the prototype declaration.
3045 (swap_word): Rewrite correctly.
3046 (ColdReset): Delete references to CONFIG. Delete endianness related
3047 code; moved to set_endianness.
3048
3049Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3050
3051 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3052 * interp.c (CHECKHILO): Define away.
3053 (simSIGINT): New macro.
3054 (membank_size): Increase from 1MB to 2MB.
3055 (control_c): New function.
3056 (sim_resume): Rename parameter signal to signal_number. Add local
3057 variable prev. Call signal before and after simulate.
3058 (sim_stop_reason): Add simSIGINT support.
3059 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3060 functions always.
3061 (sim_warning): Delete call to SignalException. Do call printf_filtered
3062 if logfh is NULL.
3063 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3064 a call to sim_warning.
3065
3066Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3067
3068 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3069 16 bit instructions.
3070
3071Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3072
3073 Add support for mips16 (16 bit MIPS implementation):
3074 * gencode.c (inst_type): Add mips16 instruction encoding types.
3075 (GETDATASIZEINSN): Define.
3076 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3077 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3078 mtlo.
3079 (MIPS16_DECODE): New table, for mips16 instructions.
3080 (bitmap_val): New static function.
3081 (struct mips16_op): Define.
3082 (mips16_op_table): New table, for mips16 operands.
3083 (build_mips16_operands): New static function.
3084 (process_instructions): If PC is odd, decode a mips16
3085 instruction. Break out instruction handling into new
3086 build_instruction function.
3087 (build_instruction): New static function, broken out of
3088 process_instructions. Check modifiers rather than flags for SHIFT
3089 bit count and m[ft]{hi,lo} direction.
3090 (usage): Pass program name to fprintf.
3091 (main): Remove unused variable this_option_optind. Change
3092 ``*loptarg++'' to ``loptarg++''.
3093 (my_strtoul): Parenthesize && within ||.
3094 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3095 (simulate): If PC is odd, fetch a 16 bit instruction, and
3096 increment PC by 2 rather than 4.
3097 * configure.in: Add case for mips16*-*-*.
3098 * configure: Rebuild.
3099
3100Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3101
3102 * interp.c: Allow -t to enable tracing in standalone simulator.
3103 Fix garbage output in trace file and error messages.
3104
3105Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3106
3107 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3108 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3109 * configure.in: Simplify using macros in ../common/aclocal.m4.
3110 * configure: Regenerated.
3111 * tconfig.in: New file.
3112
3113Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3114
3115 * interp.c: Fix bugs in 64-bit port.
3116 Use ansi function declarations for msvc compiler.
3117 Initialize and test file pointer in trace code.
3118 Prevent duplicate definition of LAST_EMED_REGNUM.
3119
3120Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3121
3122 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3123
3124Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3125
3126 * interp.c (SignalException): Check for explicit terminating
3127 breakpoint value.
3128 * gencode.c: Pass instruction value through SignalException()
3129 calls for Trap, Breakpoint and Syscall.
3130
3131Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3132
3133 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3134 only used on those hosts that provide it.
3135 * configure.in: Add sqrt() to list of functions to be checked for.
3136 * config.in: Re-generated.
3137 * configure: Re-generated.
3138
3139Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3140
3141 * gencode.c (process_instructions): Call build_endian_shift when
3142 expanding STORE RIGHT, to fix swr.
3143 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3144 clear the high bits.
3145 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3146 Fix float to int conversions to produce signed values.
3147
3148Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3149
3150 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3151 (process_instructions): Correct handling of nor instruction.
3152 Correct shift count for 32 bit shift instructions. Correct sign
3153 extension for arithmetic shifts to not shift the number of bits in
3154 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3155 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3156 Fix madd.
3157 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3158 It's OK to have a mult follow a mult. What's not OK is to have a
3159 mult follow an mfhi.
3160 (Convert): Comment out incorrect rounding code.
3161
3162Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3163
3164 * interp.c (sim_monitor): Improved monitor printf
3165 simulation. Tidied up simulator warnings, and added "--log" option
3166 for directing warning message output.
3167 * gencode.c: Use sim_warning() rather than WARNING macro.
3168
3169Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3170
3171 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3172 getopt1.o, rather than on gencode.c. Link objects together.
3173 Don't link against -liberty.
3174 (gencode.o, getopt.o, getopt1.o): New targets.
3175 * gencode.c: Include <ctype.h> and "ansidecl.h".
3176 (AND): Undefine after including "ansidecl.h".
3177 (ULONG_MAX): Define if not defined.
3178 (OP_*): Don't define macros; now defined in opcode/mips.h.
3179 (main): Call my_strtoul rather than strtoul.
3180 (my_strtoul): New static function.
3181
3182Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3183
3184 * gencode.c (process_instructions): Generate word64 and uword64
3185 instead of `long long' and `unsigned long long' data types.
3186 * interp.c: #include sysdep.h to get signals, and define default
3187 for SIGBUS.
3188 * (Convert): Work around for Visual-C++ compiler bug with type
3189 conversion.
3190 * support.h: Make things compile under Visual-C++ by using
3191 __int64 instead of `long long'. Change many refs to long long
3192 into word64/uword64 typedefs.
3193
3194Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3195
3196 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3197 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3198 (docdir): Removed.
3199 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3200 (AC_PROG_INSTALL): Added.
3201 (AC_PROG_CC): Moved to before configure.host call.
3202 * configure: Rebuilt.
3203
3204Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3205
3206 * configure.in: Define @SIMCONF@ depending on mips target.
3207 * configure: Rebuild.
3208 * Makefile.in (run): Add @SIMCONF@ to control simulator
3209 construction.
3210 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3211 * interp.c: Remove some debugging, provide more detailed error
3212 messages, update memory accesses to use LOADDRMASK.
3213
3214Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3215
3216 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3217 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3218 stamp-h.
3219 * configure: Rebuild.
3220 * config.in: New file, generated by autoheader.
3221 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3222 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3223 HAVE_ANINT and HAVE_AINT, as appropriate.
3224 * Makefile.in (run): Use @LIBS@ rather than -lm.
3225 (interp.o): Depend upon config.h.
3226 (Makefile): Just rebuild Makefile.
3227 (clean): Remove stamp-h.
3228 (mostlyclean): Make the same as clean, not as distclean.
3229 (config.h, stamp-h): New targets.
3230
3231Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3232
3233 * interp.c (ColdReset): Fix boolean test. Make all simulator
3234 globals static.
3235
3236Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3237
3238 * interp.c (xfer_direct_word, xfer_direct_long,
3239 swap_direct_word, swap_direct_long, xfer_big_word,
3240 xfer_big_long, xfer_little_word, xfer_little_long,
3241 swap_word,swap_long): Added.
3242 * interp.c (ColdReset): Provide function indirection to
3243 host<->simulated_target transfer routines.
3244 * interp.c (sim_store_register, sim_fetch_register): Updated to
3245 make use of indirected transfer routines.
3246
3247Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3248
3249 * gencode.c (process_instructions): Ensure FP ABS instruction
3250 recognised.
3251 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3252 system call support.
3253
3254Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3255
3256 * interp.c (sim_do_command): Complain if callback structure not
3257 initialised.
3258
3259Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3260
3261 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3262 support for Sun hosts.
3263 * Makefile.in (gencode): Ensure the host compiler and libraries
3264 used for cross-hosted build.
3265
3266Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3267
3268 * interp.c, gencode.c: Some more (TODO) tidying.
3269
3270Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3271
3272 * gencode.c, interp.c: Replaced explicit long long references with
3273 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3274 * support.h (SET64LO, SET64HI): Macros added.
3275
3276Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3277
3278 * configure: Regenerate with autoconf 2.7.
3279
3280Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3281
3282 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3283 * support.h: Remove superfluous "1" from #if.
3284 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3285
3286Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3287
3288 * interp.c (StoreFPR): Control UndefinedResult() call on
3289 WARN_RESULT manifest.
3290
3291Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3292
3293 * gencode.c: Tidied instruction decoding, and added FP instruction
3294 support.
3295
3296 * interp.c: Added dineroIII, and BSD profiling support. Also
3297 run-time FP handling.
3298
3299Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3300
3301 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3302 gencode.c, interp.c, support.h: created.