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sim: rename common/aclocal.m4 to common/acinclude.m4
[thirdparty/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
9c082ca8
MF
12011-10-17 Mike Frysinger <vapier@gentoo.org>
2
3 * configure.ac: Change include to common/acinclude.m4.
4
6ffe910a
MF
52011-10-17 Mike Frysinger <vapier@gentoo.org>
6
7 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
8 call. Replace common.m4 include with SIM_AC_COMMON.
9 * configure: Regenerate.
10
31b28250
HPN
112011-07-08 Hans-Peter Nilsson <hp@axis.com>
12
3faa01e3
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13 * Makefile.in ($(SIM_MULTI_OBJ)): Depend on sim-main.h
14 $(SIM_EXTRA_DEPS).
15 (tmp-mach-multi): Exit early when igen fails.
31b28250 16
2419798b
MF
172011-07-05 Mike Frysinger <vapier@gentoo.org>
18
19 * interp.c (sim_do_command): Delete.
20
d79fe0d6
MF
212011-02-14 Mike Frysinger <vapier@gentoo.org>
22
23 * dv-tx3904sio.c (tx3904sio_fifo_push): Change zfree to free.
24 (tx3904sio_fifo_reset): Likewise.
25 * interp.c (sim_monitor): Likewise.
26
5558e7e6
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272010-04-14 Mike Frysinger <vapier@gentoo.org>
28
29 * interp.c (sim_write): Add const to buffer arg.
30
35aafff4
JB
312010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
32
33 * interp.c: Don't include sysdep.h
34
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352010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
36
37 * configure: Regenerate.
38
d6416cdc
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392009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
40
81ecdfbb
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41 * config.in: Regenerate.
42 * configure: Likewise.
43
d6416cdc
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44 * configure: Regenerate.
45
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462008-07-11 Hans-Peter Nilsson <hp@axis.com>
47
48 * configure: Regenerate to track ../common/common.m4 changes.
49 * config.in: Ditto.
50
6efef468
JM
512008-06-06 Vladimir Prus <vladimir@codesourcery.com>
52 Daniel Jacobowitz <dan@codesourcery.com>
53 Joseph Myers <joseph@codesourcery.com>
54
55 * configure: Regenerate.
56
60dc88db
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572007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
58
59 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
60 that unconditionally allows fmt_ps.
61 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
62 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
63 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
64 filter from 64,f to 32,f.
65 (PREFX): Change filter from 64 to 32.
66 (LDXC1, LUXC1): Provide separate mips32r2 implementations
67 that use do_load_double instead of do_load. Make both LUXC1
68 versions unpredictable if SizeFGR () != 64.
69 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
70 instead of do_store. Remove unused variable. Make both SUXC1
71 versions unpredictable if SizeFGR () != 64.
72
599ca73e
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732007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
74
75 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
76 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
77 shifts for that case.
78
2525df03
NC
792007-09-04 Nick Clifton <nickc@redhat.com>
80
81 * interp.c (options enum): Add OPTION_INFO_MEMORY.
82 (display_mem_info): New static variable.
83 (mips_option_handler): Handle OPTION_INFO_MEMORY.
84 (mips_options): Add info-memory and memory-info.
85 (sim_open): After processing the command line and board
86 specification, check display_mem_info. If it is set then
87 call the real handler for the --memory-info command line
88 switch.
89
35ee6e1e
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902007-08-24 Joel Brobecker <brobecker@adacore.com>
91
92 * configure.ac: Change license of multi-run.c to GPL version 3.
93 * configure: Regenerate.
94
d5fb0879
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952007-06-28 Richard Sandiford <richard@codesourcery.com>
96
97 * configure.ac, configure: Revert last patch.
98
2a2ce21b
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992007-06-26 Richard Sandiford <richard@codesourcery.com>
100
101 * configure.ac (sim_mipsisa3264_configs): New variable.
102 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
103 every configuration support all four targets, using the triplet to
104 determine the default.
105 * configure: Regenerate.
106
efdcccc9
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1072007-06-25 Richard Sandiford <richard@codesourcery.com>
108
0a7692b2 109 * Makefile.in (m16run.o): New rule.
efdcccc9 110
f532a356
TS
1112007-05-15 Thiemo Seufer <ths@mips.com>
112
113 * mips3264r2.igen (DSHD): Fix compile warning.
114
bfe9c90b
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1152007-05-14 Thiemo Seufer <ths@mips.com>
116
117 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
118 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
119 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
120 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
121 for mips32r2.
122
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1232007-03-01 Thiemo Seufer <ths@mips.com>
124
125 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
126 and mips64.
127
8bf3ddc8
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1282007-02-20 Thiemo Seufer <ths@mips.com>
129
130 * dsp.igen: Update copyright notice.
131 * dsp2.igen: Fix copyright notice.
132
8b082fb1
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1332007-02-20 Thiemo Seufer <ths@mips.com>
134 Chao-Ying Fu <fu@mips.com>
135
136 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
137 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
138 Add dsp2 to sim_igen_machine.
139 * configure: Regenerate.
140 * dsp.igen (do_ph_op): Add MUL support when op = 2.
141 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
142 (mulq_rs.ph): Use do_ph_mulq.
143 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
144 * mips.igen: Add dsp2 model and include dsp2.igen.
145 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
146 for *mips32r2, *mips64r2, *dsp.
147 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
148 for *mips32r2, *mips64r2, *dsp2.
149 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
150
b1004875
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1512007-02-19 Thiemo Seufer <ths@mips.com>
152 Nigel Stephens <nigel@mips.com>
153
154 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
155 jumps with hazard barrier.
156
f8df4c77
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1572007-02-19 Thiemo Seufer <ths@mips.com>
158 Nigel Stephens <nigel@mips.com>
159
160 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
161 after each call to sim_io_write.
162
b1004875 1632007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 164 Nigel Stephens <nigel@mips.com>
b1004875
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165
166 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
167 supported by this simulator.
07802d98
TS
168 (decode_coproc): Recognise additional CP0 Config registers
169 correctly.
170
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1712007-02-19 Thiemo Seufer <ths@mips.com>
172 Nigel Stephens <nigel@mips.com>
173 David Ung <davidu@mips.com>
174
175 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
176 uninterpreted formats. If fmt is one of the uninterpreted types
177 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
178 fmt_word, and fmt_uninterpreted_64 like fmt_long.
179 (store_fpr): When writing an invalid odd register, set the
180 matching even register to fmt_unknown, not the following register.
181 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
182 the the memory window at offset 0 set by --memory-size command
183 line option.
184 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
185 point register.
186 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
187 register.
188 (sim_monitor): When returning the memory size to the MIPS
189 application, use the value in STATE_MEM_SIZE, not an arbitrary
190 hardcoded value.
191 (cop_lw): Don' mess around with FPR_STATE, just pass
192 fmt_uninterpreted_32 to StoreFPR.
193 (cop_sw): Similarly.
194 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
195 (cop_sd): Similarly.
196 * mips.igen (not_word_value): Single version for mips32, mips64
197 and mips16.
198
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1992007-02-19 Thiemo Seufer <ths@mips.com>
200 Nigel Stephens <nigel@mips.com>
201
202 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
203 MBytes.
204
4b5d35ee
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2052007-02-17 Thiemo Seufer <ths@mips.com>
206
207 * configure.ac (mips*-sde-elf*): Move in front of generic machine
208 configuration.
209 * configure: Regenerate.
210
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2112007-02-17 Thiemo Seufer <ths@mips.com>
212
213 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
214 Add mdmx to sim_igen_machine.
215 (mipsisa64*-*-*): Likewise. Remove dsp.
216 (mipsisa32*-*-*): Remove dsp.
217 * configure: Regenerate.
218
109ad085
TS
2192007-02-13 Thiemo Seufer <ths@mips.com>
220
221 * configure.ac: Add mips*-sde-elf* target.
222 * configure: Regenerate.
223
921d7ad3
HPN
2242006-12-21 Hans-Peter Nilsson <hp@axis.com>
225
226 * acconfig.h: Remove.
227 * config.in, configure: Regenerate.
228
02f97da7
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2292006-11-07 Thiemo Seufer <ths@mips.com>
230
231 * dsp.igen (do_w_op): Fix compiler warning.
232
2d2733fc
TS
2332006-08-29 Thiemo Seufer <ths@mips.com>
234 David Ung <davidu@mips.com>
235
236 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
237 sim_igen_machine.
238 * configure: Regenerate.
239 * mips.igen (model): Add smartmips.
240 (MADDU): Increment ACX if carry.
241 (do_mult): Clear ACX.
242 (ROR,RORV): Add smartmips.
243 (include): Include smartmips.igen.
244 * sim-main.h (ACX): Set to REGISTERS[89].
245 * smartmips.igen: New file.
246
d85c3a10
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2472006-08-29 Thiemo Seufer <ths@mips.com>
248 David Ung <davidu@mips.com>
249
250 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
251 mips3264r2.igen. Add missing dependency rules.
252 * m16e.igen: Support for mips16e save/restore instructions.
253
e85e3205
RE
2542006-06-13 Richard Earnshaw <rearnsha@arm.com>
255
256 * configure: Regenerated.
257
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DJ
2582006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
259
260 * configure: Regenerated.
261
20e95c23
DJ
2622006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
263
264 * configure: Regenerated.
265
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CF
2662006-05-15 Chao-ying Fu <fu@mips.com>
267
268 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
269
0275de4e
NC
2702006-04-18 Nick Clifton <nickc@redhat.com>
271
272 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
273 statement.
274
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2752006-03-29 Hans-Peter Nilsson <hp@axis.com>
276
277 * configure: Regenerate.
278
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CF
2792005-12-14 Chao-ying Fu <fu@mips.com>
280
281 * Makefile.in (SIM_OBJS): Add dsp.o.
282 (dsp.o): New dependency.
283 (IGEN_INCLUDE): Add dsp.igen.
284 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
285 mipsisa64*-*-*): Add dsp to sim_igen_machine.
286 * configure: Regenerate.
287 * mips.igen: Add dsp model and include dsp.igen.
288 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
289 because these instructions are extended in DSP ASE.
290 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
291 adding 6 DSP accumulator registers and 1 DSP control register.
292 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
293 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
294 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
295 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
296 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
297 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
298 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
299 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
300 DSPCR_CCOND_SMASK): New define.
301 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
302 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
303
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3042005-07-08 Ian Lance Taylor <ian@airs.com>
305
306 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
307
b16d63da
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3082005-06-16 David Ung <davidu@mips.com>
309 Nigel Stephens <nigel@mips.com>
310
311 * mips.igen: New mips16e model and include m16e.igen.
312 (check_u64): Add mips16e tag.
313 * m16e.igen: New file for MIPS16e instructions.
314 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
315 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
316 models.
317 * configure: Regenerate.
318
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3192005-05-26 David Ung <davidu@mips.com>
320
321 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
322 tags to all instructions which are applicable to the new ISAs.
323 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
324 vr.igen.
325 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
326 instructions.
327 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
328 to mips.igen.
329 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
330 * configure: Regenerate.
331
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3322005-03-23 Mark Kettenis <kettenis@gnu.org>
333
334 * configure: Regenerate.
335
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3362005-01-14 Andrew Cagney <cagney@gnu.org>
337
338 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
339 explicit call to AC_CONFIG_HEADER.
340 * configure: Regenerate.
341
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AC
3422005-01-12 Andrew Cagney <cagney@gnu.org>
343
344 * configure.ac: Update to use ../common/common.m4.
345 * configure: Re-generate.
346
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3472005-01-11 Andrew Cagney <cagney@localhost.localdomain>
348
349 * configure: Regenerated to track ../common/aclocal.m4 changes.
350
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3512005-01-07 Andrew Cagney <cagney@gnu.org>
352
353 * configure.ac: Rename configure.in, require autoconf 2.59.
354 * configure: Re-generate.
355
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3562004-12-08 Hans-Peter Nilsson <hp@axis.com>
357
358 * configure: Regenerate for ../common/aclocal.m4 update.
359
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AC
3602004-09-24 Monika Chaddha <monika@acmet.com>
361
362 Committed by Andrew Cagney.
363 * m16.igen (CMP, CMPI): Fix assembler.
364
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CD
3652004-08-18 Chris Demetriou <cgd@broadcom.com>
366
367 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
368 * configure: Regenerate.
369
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3702004-06-25 Chris Demetriou <cgd@broadcom.com>
371
372 * configure.in (sim_m16_machine): Include mipsIII.
373 * configure: Regenerate.
374
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CD
3752004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
376
377 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
378 from COP0_BADVADDR.
379 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
380
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CD
3812004-04-10 Chris Demetriou <cgd@broadcom.com>
382
383 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
384
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CD
3852004-04-09 Chris Demetriou <cgd@broadcom.com>
386
387 * mips.igen (check_fmt): Remove.
388 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
389 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
390 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
391 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
392 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
393 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
394 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
395 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
396 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
397 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
398
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3992004-04-09 Chris Demetriou <cgd@broadcom.com>
400
401 * sb1.igen (check_sbx): New function.
402 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
403
11d66e66 4042004-03-29 Chris Demetriou <cgd@broadcom.com>
0e1b7197
RS
405 Richard Sandiford <rsandifo@redhat.com>
406
407 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
408 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
409 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
410 separate implementations for mipsIV and mipsV. Use new macros to
411 determine whether the restrictions apply.
412
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4132004-01-19 Chris Demetriou <cgd@broadcom.com>
414
415 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
416 (check_mult_hilo): Improve comments.
417 (check_div_hilo): Likewise. Also, fork off a new version
418 to handle mips32/mips64 (since there are no hazards to check
419 in MIPS32/MIPS64).
420
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4212003-06-17 Richard Sandiford <rsandifo@redhat.com>
422
423 * mips.igen (do_dmultx): Fix check for negative operands.
424
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4252003-05-16 Ian Lance Taylor <ian@airs.com>
426
427 * Makefile.in (SHELL): Make sure this is defined.
428 (various): Use $(SHELL) whenever we invoke move-if-change.
429
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4302003-05-03 Chris Demetriou <cgd@broadcom.com>
431
432 * cp1.c: Tweak attribution slightly.
433 * cp1.h: Likewise.
434 * mdmx.c: Likewise.
435 * mdmx.igen: Likewise.
436 * mips3d.igen: Likewise.
437 * sb1.igen: Likewise.
438
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4392003-04-15 Richard Sandiford <rsandifo@redhat.com>
440
441 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
442 unsigned operands.
443
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4442003-02-27 Andrew Cagney <cagney@redhat.com>
445
601da316
AC
446 * interp.c (sim_open): Rename _bfd to bfd.
447 (sim_create_inferior): Ditto.
6b4a8935 448
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4492003-01-14 Chris Demetriou <cgd@broadcom.com>
450
451 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
452
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CD
4532003-01-14 Chris Demetriou <cgd@broadcom.com>
454
455 * mips.igen (EI, DI): Remove.
456
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4572003-01-05 Richard Sandiford <rsandifo@redhat.com>
458
459 * Makefile.in (tmp-run-multi): Fix mips16 filter.
460
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CD
4612003-01-04 Richard Sandiford <rsandifo@redhat.com>
462 Andrew Cagney <ac131313@redhat.com>
463 Gavin Romig-Koch <gavin@redhat.com>
464 Graydon Hoare <graydon@redhat.com>
465 Aldy Hernandez <aldyh@redhat.com>
466 Dave Brolley <brolley@redhat.com>
467 Chris Demetriou <cgd@broadcom.com>
468
469 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
470 (sim_mach_default): New variable.
471 (mips64vr-*-*, mips64vrel-*-*): New configurations.
472 Add a new simulator generator, MULTI.
473 * configure: Regenerate.
474 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
475 (multi-run.o): New dependency.
476 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
477 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
478 (tmp-multi): Combine them.
479 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
480 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
481 (distclean-extra): New rule.
482 * sim-main.h: Include bfd.h.
483 (MIPS_MACH): New macro.
484 * mips.igen (vr4120, vr5400, vr5500): New models.
485 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
486 * vr.igen: Replace with new version.
487
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4882003-01-04 Chris Demetriou <cgd@broadcom.com>
489
490 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
491 * configure: Regenerate.
492
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4932002-12-31 Chris Demetriou <cgd@broadcom.com>
494
495 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
496 * mips.igen: Remove all invocations of check_branch_bug and
497 mark_branch_bug.
498
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4992002-12-16 Chris Demetriou <cgd@broadcom.com>
500
501 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
502
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5032002-07-30 Chris Demetriou <cgd@broadcom.com>
504
505 * mips.igen (do_load_double, do_store_double): New functions.
506 (LDC1, SDC1): Rename to...
507 (LDC1b, SDC1b): respectively.
508 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
509
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5102002-07-29 Michael Snyder <msnyder@redhat.com>
511
512 * cp1.c (fp_recip2): Modify initialization expression so that
513 GCC will recognize it as constant.
514
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5152002-06-18 Chris Demetriou <cgd@broadcom.com>
516
517 * mdmx.c (SD_): Delete.
518 (Unpredictable): Re-define, for now, to directly invoke
519 unpredictable_action().
520 (mdmx_acc_op): Fix error in .ob immediate handling.
521
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5222002-06-18 Andrew Cagney <cagney@redhat.com>
523
524 * interp.c (sim_firmware_command): Initialize `address'.
525
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5262002-06-16 Andrew Cagney <ac131313@redhat.com>
527
528 * configure: Regenerated to track ../common/aclocal.m4 changes.
529
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5302002-06-14 Chris Demetriou <cgd@broadcom.com>
531 Ed Satterthwaite <ehs@broadcom.com>
532
533 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
534 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
535 * mips.igen: Include mips3d.igen.
536 (mips3d): New model name for MIPS-3D ASE instructions.
537 (CVT.W.fmt): Don't use this instruction for word (source) format
538 instructions.
539 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
540 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
541 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
542 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
543 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
544 (RSquareRoot1, RSquareRoot2): New macros.
545 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
546 (fp_rsqrt2): New functions.
547 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
548 * configure: Regenerate.
549
3a2b820e 5502002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 551 Ed Satterthwaite <ehs@broadcom.com>
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552
553 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
554 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
555 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
556 (convert): Note that this function is not used for paired-single
557 format conversions.
558 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
559 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
560 (check_fmt_p): Enable paired-single support.
561 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
562 (PUU.PS): New instructions.
563 (CVT.S.fmt): Don't use this instruction for paired-single format
564 destinations.
565 * sim-main.h (FP_formats): New value 'fmt_ps.'
566 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
567 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
568
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5692002-06-12 Chris Demetriou <cgd@broadcom.com>
570
571 * mips.igen: Fix formatting of function calls in
572 many FP operations.
573
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5742002-06-12 Chris Demetriou <cgd@broadcom.com>
575
576 * mips.igen (MOVN, MOVZ): Trace result.
577 (TNEI): Print "tnei" as the opcode name in traces.
578 (CEIL.W): Add disassembly string for traces.
579 (RSQRT.fmt): Make location of disassembly string consistent
580 with other instructions.
581
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5822002-06-12 Chris Demetriou <cgd@broadcom.com>
583
584 * mips.igen (X): Delete unused function.
585
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5862002-06-08 Andrew Cagney <cagney@redhat.com>
587
588 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
589
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5902002-06-07 Chris Demetriou <cgd@broadcom.com>
591 Ed Satterthwaite <ehs@broadcom.com>
592
593 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
594 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
595 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
596 (fp_nmsub): New prototypes.
597 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
598 (NegMultiplySub): New defines.
599 * mips.igen (RSQRT.fmt): Use RSquareRoot().
600 (MADD.D, MADD.S): Replace with...
601 (MADD.fmt): New instruction.
602 (MSUB.D, MSUB.S): Replace with...
603 (MSUB.fmt): New instruction.
604 (NMADD.D, NMADD.S): Replace with...
605 (NMADD.fmt): New instruction.
606 (NMSUB.D, MSUB.S): Replace with...
607 (NMSUB.fmt): New instruction.
608
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6092002-06-07 Chris Demetriou <cgd@broadcom.com>
610 Ed Satterthwaite <ehs@broadcom.com>
611
612 * cp1.c: Fix more comment spelling and formatting.
613 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
614 (denorm_mode): New function.
615 (fpu_unary, fpu_binary): Round results after operation, collect
616 status from rounding operations, and update the FCSR.
617 (convert): Collect status from integer conversions and rounding
618 operations, and update the FCSR. Adjust NaN values that result
619 from conversions. Convert to use sim_io_eprintf rather than
620 fprintf, and remove some debugging code.
621 * cp1.h (fenr_FS): New define.
622
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6232002-06-07 Chris Demetriou <cgd@broadcom.com>
624
625 * cp1.c (convert): Remove unusable debugging code, and move MIPS
626 rounding mode to sim FP rounding mode flag conversion code into...
627 (rounding_mode): New function.
628
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6292002-06-07 Chris Demetriou <cgd@broadcom.com>
630
631 * cp1.c: Clean up formatting of a few comments.
632 (value_fpr): Reformat switch statement.
633
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6342002-06-06 Chris Demetriou <cgd@broadcom.com>
635 Ed Satterthwaite <ehs@broadcom.com>
636
637 * cp1.h: New file.
638 * sim-main.h: Include cp1.h.
639 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
640 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
641 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
642 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
643 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
644 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
645 * cp1.c: Don't include sim-fpu.h; already included by
646 sim-main.h. Clean up formatting of some comments.
647 (NaN, Equal, Less): Remove.
648 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
649 (fp_cmp): New functions.
650 * mips.igen (do_c_cond_fmt): Remove.
651 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
652 Compare. Add result tracing.
653 (CxC1): Remove, replace with...
654 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
655 (DMxC1): Remove, replace with...
656 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
657 (MxC1): Remove, replace with...
658 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
659
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6602002-06-04 Chris Demetriou <cgd@broadcom.com>
661
662 * sim-main.h (FGRIDX): Remove, replace all uses with...
663 (FGR_BASE): New macro.
664 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
665 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
666 (NR_FGR, FGR): Likewise.
667 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
668 * mips.igen: Likewise.
669
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6702002-06-04 Chris Demetriou <cgd@broadcom.com>
671
672 * cp1.c: Add an FSF Copyright notice to this file.
673
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6742002-06-04 Chris Demetriou <cgd@broadcom.com>
675 Ed Satterthwaite <ehs@broadcom.com>
676
677 * cp1.c (Infinity): Remove.
678 * sim-main.h (Infinity): Likewise.
679
680 * cp1.c (fp_unary, fp_binary): New functions.
681 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
682 (fp_sqrt): New functions, implemented in terms of the above.
683 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
684 (Recip, SquareRoot): Remove (replaced by functions above).
685 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
686 (fp_recip, fp_sqrt): New prototypes.
687 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
688 (Recip, SquareRoot): Replace prototypes with #defines which
689 invoke the functions above.
690
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6912002-06-03 Chris Demetriou <cgd@broadcom.com>
692
693 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
694 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
695 file, remove PARAMS from prototypes.
696 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
697 simulator state arguments.
698 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
699 pass simulator state arguments.
700 * cp1.c (SD): Redefine as CPU_STATE(cpu).
701 (store_fpr, convert): Remove 'sd' argument.
702 (value_fpr): Likewise. Convert to use 'SD' instead.
703
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7042002-06-03 Chris Demetriou <cgd@broadcom.com>
705
706 * cp1.c (Min, Max): Remove #if 0'd functions.
707 * sim-main.h (Min, Max): Remove.
708
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7092002-06-03 Chris Demetriou <cgd@broadcom.com>
710
711 * cp1.c: fix formatting of switch case and default labels.
712 * interp.c: Likewise.
713 * sim-main.c: Likewise.
714
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7152002-06-03 Chris Demetriou <cgd@broadcom.com>
716
717 * cp1.c: Clean up comments which describe FP formats.
718 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
719
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7202002-06-03 Chris Demetriou <cgd@broadcom.com>
721 Ed Satterthwaite <ehs@broadcom.com>
722
723 * configure.in (mipsisa64sb1*-*-*): New target for supporting
724 Broadcom SiByte SB-1 processor configurations.
725 * configure: Regenerate.
726 * sb1.igen: New file.
727 * mips.igen: Include sb1.igen.
728 (sb1): New model.
729 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
730 * mdmx.igen: Add "sb1" model to all appropriate functions and
731 instructions.
732 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
733 (ob_func, ob_acc): Reference the above.
734 (qh_acc): Adjust to keep the same size as ob_acc.
735 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
736 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
737
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7382002-06-03 Chris Demetriou <cgd@broadcom.com>
739
740 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
741
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7422002-06-02 Chris Demetriou <cgd@broadcom.com>
743 Ed Satterthwaite <ehs@broadcom.com>
744
745 * mips.igen (mdmx): New (pseudo-)model.
746 * mdmx.c, mdmx.igen: New files.
747 * Makefile.in (SIM_OBJS): Add mdmx.o.
748 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
749 New typedefs.
750 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
751 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
752 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
753 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
754 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
755 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
756 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
757 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
758 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
759 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
760 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
761 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
762 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
763 (qh_fmtsel): New macros.
764 (_sim_cpu): New member "acc".
765 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
766 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
767
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7682002-05-01 Chris Demetriou <cgd@broadcom.com>
769
770 * interp.c: Use 'deprecated' rather than 'depreciated.'
771 * sim-main.h: Likewise.
772
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7732002-05-01 Chris Demetriou <cgd@broadcom.com>
774
775 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
776 which wouldn't compile anyway.
777 * sim-main.h (unpredictable_action): New function prototype.
778 (Unpredictable): Define to call igen function unpredictable().
779 (NotWordValue): New macro to call igen function not_word_value().
780 (UndefinedResult): Remove.
781 * interp.c (undefined_result): Remove.
782 (unpredictable_action): New function.
783 * mips.igen (not_word_value, unpredictable): New functions.
784 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
785 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
786 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
787 NotWordValue() to check for unpredictable inputs, then
788 Unpredictable() to handle them.
789
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7902002-02-24 Chris Demetriou <cgd@broadcom.com>
791
792 * mips.igen: Fix formatting of calls to Unpredictable().
793
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7942002-04-20 Andrew Cagney <ac131313@redhat.com>
795
796 * interp.c (sim_open): Revert previous change.
797
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7982002-04-18 Alexandre Oliva <aoliva@redhat.com>
799
800 * interp.c (sim_open): Disable chunk of code that wrote code in
801 vector table entries.
802
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8032002-03-19 Chris Demetriou <cgd@broadcom.com>
804
805 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
806 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
807 unused definitions.
808
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8092002-03-19 Chris Demetriou <cgd@broadcom.com>
810
811 * cp1.c: Fix many formatting issues.
812
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8132002-03-19 Chris G. Demetriou <cgd@broadcom.com>
814
815 * cp1.c (fpu_format_name): New function to replace...
816 (DOFMT): This. Delete, and update all callers.
817 (fpu_rounding_mode_name): New function to replace...
818 (RMMODE): This. Delete, and update all callers.
819
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8202002-03-19 Chris G. Demetriou <cgd@broadcom.com>
821
822 * interp.c: Move FPU support routines from here to...
823 * cp1.c: Here. New file.
824 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
825 (cp1.o): New target.
826
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8272002-03-12 Chris Demetriou <cgd@broadcom.com>
828
829 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
830 * mips.igen (mips32, mips64): New models, add to all instructions
831 and functions as appropriate.
832 (loadstore_ea, check_u64): New variant for model mips64.
833 (check_fmt_p): New variant for models mipsV and mips64, remove
834 mipsV model marking fro other variant.
835 (SLL) Rename to...
836 (SLLa) this.
837 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
838 for mips32 and mips64.
839 (DCLO, DCLZ): New instructions for mips64.
840
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8412002-03-07 Chris Demetriou <cgd@broadcom.com>
842
843 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
844 immediate or code as a hex value with the "%#lx" format.
845 (ANDI): Likewise, and fix printed instruction name.
846
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8472002-03-05 Chris Demetriou <cgd@broadcom.com>
848
849 * sim-main.h (UndefinedResult, Unpredictable): New macros
850 which currently do nothing.
851
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8522002-03-05 Chris Demetriou <cgd@broadcom.com>
853
854 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
855 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
856 (status_CU3): New definitions.
857
858 * sim-main.h (ExceptionCause): Add new values for MIPS32
859 and MIPS64: MDMX, MCheck, CacheErr. Update comments
860 for DebugBreakPoint and NMIReset to note their status in
861 MIPS32 and MIPS64.
862 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
863 (SignalExceptionCacheErr): New exception macros.
864
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8652002-03-05 Chris Demetriou <cgd@broadcom.com>
866
867 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
868 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
869 is always enabled.
870 (SignalExceptionCoProcessorUnusable): Take as argument the
871 unusable coprocessor number.
872
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8732002-03-05 Chris Demetriou <cgd@broadcom.com>
874
875 * mips.igen: Fix formatting of all SignalException calls.
876
97a88e93 8772002-03-05 Chris Demetriou <cgd@broadcom.com>
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878
879 * sim-main.h (SIGNEXTEND): Remove.
880
97a88e93 8812002-03-04 Chris Demetriou <cgd@broadcom.com>
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882
883 * mips.igen: Remove gencode comment from top of file, fix
884 spelling in another comment.
885
97a88e93 8862002-03-04 Chris Demetriou <cgd@broadcom.com>
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887
888 * mips.igen (check_fmt, check_fmt_p): New functions to check
889 whether specific floating point formats are usable.
890 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
891 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
892 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
893 Use the new functions.
894 (do_c_cond_fmt): Remove format checks...
895 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
896
97a88e93 8972002-03-03 Chris Demetriou <cgd@broadcom.com>
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898
899 * mips.igen: Fix formatting of check_fpu calls.
900
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9012002-03-03 Chris Demetriou <cgd@broadcom.com>
902
903 * mips.igen (FLOOR.L.fmt): Store correct destination register.
904
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9052002-03-03 Chris Demetriou <cgd@broadcom.com>
906
907 * mips.igen: Remove whitespace at end of lines.
908
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9092002-03-02 Chris Demetriou <cgd@broadcom.com>
910
911 * mips.igen (loadstore_ea): New function to do effective
912 address calculations.
913 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
914 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
915 CACHE): Use loadstore_ea to do effective address computations.
916
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9172002-03-02 Chris Demetriou <cgd@broadcom.com>
918
919 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
920 * mips.igen (LL, CxC1, MxC1): Likewise.
921
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9222002-03-02 Chris Demetriou <cgd@broadcom.com>
923
924 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
925 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
926 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
927 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
928 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
929 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
930 Don't split opcode fields by hand, use the opcode field values
931 provided by igen.
932
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9332002-03-01 Chris Demetriou <cgd@broadcom.com>
934
935 * mips.igen (do_divu): Fix spacing.
936
937 * mips.igen (do_dsllv): Move to be right before DSLLV,
938 to match the rest of the do_<shift> functions.
939
fff8d27d
CD
9402002-03-01 Chris Demetriou <cgd@broadcom.com>
941
942 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
943 DSRL32, do_dsrlv): Trace inputs and results.
944
0d3e762b
CD
9452002-03-01 Chris Demetriou <cgd@broadcom.com>
946
947 * mips.igen (CACHE): Provide instruction-printing string.
948
949 * interp.c (signal_exception): Comment tokens after #endif.
950
eb5fcf93
CD
9512002-02-28 Chris Demetriou <cgd@broadcom.com>
952
953 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
954 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
955 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
956 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
957 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
958 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
959 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
960 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
961
bb22bd7d
CD
9622002-02-28 Chris Demetriou <cgd@broadcom.com>
963
964 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
965 instruction-printing string.
966 (LWU): Use '64' as the filter flag.
967
91a177cf
CD
9682002-02-28 Chris Demetriou <cgd@broadcom.com>
969
970 * mips.igen (SDXC1): Fix instruction-printing string.
971
387f484a
CD
9722002-02-28 Chris Demetriou <cgd@broadcom.com>
973
974 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
975 filter flags "32,f".
976
3d81f391
CD
9772002-02-27 Chris Demetriou <cgd@broadcom.com>
978
979 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
980 as the filter flag.
981
af5107af
CD
9822002-02-27 Chris Demetriou <cgd@broadcom.com>
983
984 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
985 add a comma) so that it more closely match the MIPS ISA
986 documentation opcode partitioning.
987 (PREF): Put useful names on opcode fields, and include
988 instruction-printing string.
989
ca971540
CD
9902002-02-27 Chris Demetriou <cgd@broadcom.com>
991
992 * mips.igen (check_u64): New function which in the future will
993 check whether 64-bit instructions are usable and signal an
994 exception if not. Currently a no-op.
995 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
996 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
997 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
998 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
999
1000 * mips.igen (check_fpu): New function which in the future will
1001 check whether FPU instructions are usable and signal an exception
1002 if not. Currently a no-op.
1003 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
1004 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
1005 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
1006 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
1007 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
1008 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
1009 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
1010 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
1011
1c47a468
CD
10122002-02-27 Chris Demetriou <cgd@broadcom.com>
1013
1014 * mips.igen (do_load_left, do_load_right): Move to be immediately
1015 following do_load.
1016 (do_store_left, do_store_right): Move to be immediately following
1017 do_store.
1018
603a98e7
CD
10192002-02-27 Chris Demetriou <cgd@broadcom.com>
1020
1021 * mips.igen (mipsV): New model name. Also, add it to
1022 all instructions and functions where it is appropriate.
1023
c5d00cc7
CD
10242002-02-18 Chris Demetriou <cgd@broadcom.com>
1025
1026 * mips.igen: For all functions and instructions, list model
1027 names that support that instruction one per line.
1028
074e9cb8
CD
10292002-02-11 Chris Demetriou <cgd@broadcom.com>
1030
1031 * mips.igen: Add some additional comments about supported
1032 models, and about which instructions go where.
1033 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1034 order as is used in the rest of the file.
1035
9805e229
CD
10362002-02-11 Chris Demetriou <cgd@broadcom.com>
1037
1038 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1039 indicating that ALU32_END or ALU64_END are there to check
1040 for overflow.
1041 (DADD): Likewise, but also remove previous comment about
1042 overflow checking.
1043
f701dad2
CD
10442002-02-10 Chris Demetriou <cgd@broadcom.com>
1045
1046 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1047 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1048 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1049 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1050 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1051 fields (i.e., add and move commas) so that they more closely
1052 match the MIPS ISA documentation opcode partitioning.
1053
10542002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1055
1056 * mips.igen (ADDI): Print immediate value.
1057 (BREAK): Print code.
1058 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1059 (SLL): Print "nop" specially, and don't run the code
1060 that does the shift for the "nop" case.
1061
9e52972e
FF
10622001-11-17 Fred Fish <fnf@redhat.com>
1063
1064 * sim-main.h (float_operation): Move enum declaration outside
1065 of _sim_cpu struct declaration.
1066
c0efbca4
JB
10672001-04-12 Jim Blandy <jimb@redhat.com>
1068
1069 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1070 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1071 set of the FCSR.
1072 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1073 PENDING_FILL, and you can get the intended effect gracefully by
1074 calling PENDING_SCHED directly.
1075
fb891446
BE
10762001-02-23 Ben Elliston <bje@redhat.com>
1077
1078 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1079 already defined elsewhere.
1080
8030f857
BE
10812001-02-19 Ben Elliston <bje@redhat.com>
1082
1083 * sim-main.h (sim_monitor): Return an int.
1084 * interp.c (sim_monitor): Add return values.
1085 (signal_exception): Handle error conditions from sim_monitor.
1086
56b48a7a
CD
10872001-02-08 Ben Elliston <bje@redhat.com>
1088
1089 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1090 (store_memory): Likewise, pass cia to sim_core_write*.
1091
d3ee60d9
FCE
10922000-10-19 Frank Ch. Eigler <fche@redhat.com>
1093
1094 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1095 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1096
071da002
AC
1097Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1098
1099 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1100 * Makefile.in: Don't delete *.igen when cleaning directory.
1101
a28c02cd
AC
1102Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1103
1104 * m16.igen (break): Call SignalException not sim_engine_halt.
1105
80ee11fa
AC
1106Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1107
1108 From Jason Eckhardt:
1109 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1110
673388c0
AC
1111Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1112
1113 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1114
4c0deff4
NC
11152000-05-24 Michael Hayes <mhayes@cygnus.com>
1116
1117 * mips.igen (do_dmultx): Fix typo.
1118
eb2d80b4
AC
1119Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1120
1121 * configure: Regenerated to track ../common/aclocal.m4 changes.
1122
dd37a34b
AC
1123Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1124
1125 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1126
4c0deff4
NC
11272000-04-12 Frank Ch. Eigler <fche@redhat.com>
1128
1129 * sim-main.h (GPR_CLEAR): Define macro.
1130
e30db738
AC
1131Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1132
1133 * interp.c (decode_coproc): Output long using %lx and not %s.
1134
cb7450ea
FCE
11352000-03-21 Frank Ch. Eigler <fche@redhat.com>
1136
1137 * interp.c (sim_open): Sort & extend dummy memory regions for
1138 --board=jmr3904 for eCos.
1139
a3027dd7
FCE
11402000-03-02 Frank Ch. Eigler <fche@redhat.com>
1141
1142 * configure: Regenerated.
1143
1144Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1145
1146 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1147 calls, conditional on the simulator being in verbose mode.
1148
dfcd3bfb
JM
1149Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1150
1151 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1152 cache don't get ReservedInstruction traps.
1153
c2d11a7d
JM
11541999-11-29 Mark Salter <msalter@cygnus.com>
1155
1156 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1157 to clear status bits in sdisr register. This is how the hardware works.
1158
1159 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1160 being used by cygmon.
1161
4ce44c66
JM
11621999-11-11 Andrew Haley <aph@cygnus.com>
1163
1164 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1165 instructions.
1166
cff3e48b
JM
1167Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1168
1169 * mips.igen (MULT): Correct previous mis-applied patch.
1170
d4f3574e
SS
1171Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1172
1173 * mips.igen (delayslot32): Handle sequence like
1174 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1175 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1176 (MULT): Actually pass the third register...
1177
11781999-09-03 Mark Salter <msalter@cygnus.com>
1179
1180 * interp.c (sim_open): Added more memory aliases for additional
1181 hardware being touched by cygmon on jmr3904 board.
1182
1183Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1184
1185 * configure: Regenerated to track ../common/aclocal.m4 changes.
1186
a0b3c4fd
JM
1187Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1188
1189 * interp.c (sim_store_register): Handle case where client - GDB -
1190 specifies that a 4 byte register is 8 bytes in size.
1191 (sim_fetch_register): Ditto.
1192
adf40b2e
JM
11931999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1194
1195 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1196 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1197 (idt_monitor_base): Base address for IDT monitor traps.
1198 (pmon_monitor_base): Ditto for PMON.
1199 (lsipmon_monitor_base): Ditto for LSI PMON.
1200 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1201 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1202 (sim_firmware_command): New function.
1203 (mips_option_handler): Call it for OPTION_FIRMWARE.
1204 (sim_open): Allocate memory for idt_monitor region. If "--board"
1205 option was given, add no monitor by default. Add BREAK hooks only if
1206 monitors are also there.
1207
43e526b9
JM
1208Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1209
1210 * interp.c (sim_monitor): Flush output before reading input.
1211
1212Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1213
1214 * tconfig.in (SIM_HANDLES_LMA): Always define.
1215
1216Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1217
1218 From Mark Salter <msalter@cygnus.com>:
1219 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1220 (sim_open): Add setup for BSP board.
1221
9846de1b
JM
1222Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1223
1224 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1225 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1226 them as unimplemented.
1227
cd0fc7c3
SS
12281999-05-08 Felix Lee <flee@cygnus.com>
1229
1230 * configure: Regenerated to track ../common/aclocal.m4 changes.
1231
7a292a7a
SS
12321999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1233
1234 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1235
1236Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1237
1238 * configure.in: Any mips64vr5*-*-* target should have
1239 -DTARGET_ENABLE_FR=1.
1240 (default_endian): Any mips64vr*el-*-* target should default to
1241 LITTLE_ENDIAN.
1242 * configure: Re-generate.
1243
12441999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1245
1246 * mips.igen (ldl): Extend from _16_, not 32.
1247
1248Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1249
1250 * interp.c (sim_store_register): Force registers written to by GDB
1251 into an un-interpreted state.
1252
c906108c
SS
12531999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1254
1255 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1256 CPU, start periodic background I/O polls.
1257 (tx3904sio_poll): New function: periodic I/O poller.
1258
12591998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1260
1261 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1262
1263Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1264
1265 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1266 case statement.
1267
12681998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1269
1270 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1271 (load_word): Call SIM_CORE_SIGNAL hook on error.
1272 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1273 starting. For exception dispatching, pass PC instead of NULL_CIA.
1274 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1275 * sim-main.h (COP0_BADVADDR): Define.
1276 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1277 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1278 (_sim_cpu): Add exc_* fields to store register value snapshots.
1279 * mips.igen (*): Replace memory-related SignalException* calls
1280 with references to SIM_CORE_SIGNAL hook.
1281
1282 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1283 fix.
1284 * sim-main.c (*): Minor warning cleanups.
1285
12861998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1287
1288 * m16.igen (DADDIU5): Correct type-o.
1289
1290Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1291
1292 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1293 variables.
1294
1295Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1296
1297 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1298 to include path.
1299 (interp.o): Add dependency on itable.h
1300 (oengine.c, gencode): Delete remaining references.
1301 (BUILT_SRC_FROM_GEN): Clean up.
1302
13031998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1304
1305 * vr4run.c: New.
1306 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1307 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1308 tmp-run-hack) : New.
1309 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1310 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1311 Drop the "64" qualifier to get the HACK generator working.
1312 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1313 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1314 qualifier to get the hack generator working.
1315 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1316 (DSLL): Use do_dsll.
1317 (DSLLV): Use do_dsllv.
1318 (DSRA): Use do_dsra.
1319 (DSRL): Use do_dsrl.
1320 (DSRLV): Use do_dsrlv.
1321 (BC1): Move *vr4100 to get the HACK generator working.
1322 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1323 get the HACK generator working.
1324 (MACC) Rename to get the HACK generator working.
1325 (DMACC,MACCS,DMACCS): Add the 64.
1326
13271998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1328
1329 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1330 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1331
13321998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1333
1334 * mips/interp.c (DEBUG): Cleanups.
1335
13361998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1337
1338 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1339 (tx3904sio_tickle): fflush after a stdout character output.
1340
13411998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1342
1343 * interp.c (sim_close): Uninstall modules.
1344
1345Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1346
1347 * sim-main.h, interp.c (sim_monitor): Change to global
1348 function.
1349
1350Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1351
1352 * configure.in (vr4100): Only include vr4100 instructions in
1353 simulator.
1354 * configure: Re-generate.
1355 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1356
1357Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1358
1359 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1360 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1361 true alternative.
1362
1363 * configure.in (sim_default_gen, sim_use_gen): Replace with
1364 sim_gen.
1365 (--enable-sim-igen): Delete config option. Always using IGEN.
1366 * configure: Re-generate.
1367
1368 * Makefile.in (gencode): Kill, kill, kill.
1369 * gencode.c: Ditto.
1370
1371Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1372
1373 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1374 bit mips16 igen simulator.
1375 * configure: Re-generate.
1376
1377 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1378 as part of vr4100 ISA.
1379 * vr.igen: Mark all instructions as 64 bit only.
1380
1381Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1382
1383 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1384 Pacify GCC.
1385
1386Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1387
1388 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1389 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1390 * configure: Re-generate.
1391
1392 * m16.igen (BREAK): Define breakpoint instruction.
1393 (JALX32): Mark instruction as mips16 and not r3900.
1394 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1395
1396 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1397
1398Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1399
1400 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1401 insn as a debug breakpoint.
1402
1403 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1404 pending.slot_size.
1405 (PENDING_SCHED): Clean up trace statement.
1406 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1407 (PENDING_FILL): Delay write by only one cycle.
1408 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1409
1410 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1411 of pending writes.
1412 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1413 32 & 64.
1414 (pending_tick): Move incrementing of index to FOR statement.
1415 (pending_tick): Only update PENDING_OUT after a write has occured.
1416
1417 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1418 build simulator.
1419 * configure: Re-generate.
1420
1421 * interp.c (sim_engine_run OLD): Delete explicit call to
1422 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1423
1424Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1425
1426 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1427 interrupt level number to match changed SignalExceptionInterrupt
1428 macro.
1429
1430Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1431
1432 * interp.c: #include "itable.h" if WITH_IGEN.
1433 (get_insn_name): New function.
1434 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1435 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1436
1437Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1438
1439 * configure: Rebuilt to inhale new common/aclocal.m4.
1440
1441Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1442
1443 * dv-tx3904sio.c: Include sim-assert.h.
1444
1445Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1446
1447 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1448 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1449 Reorganize target-specific sim-hardware checks.
1450 * configure: rebuilt.
1451 * interp.c (sim_open): For tx39 target boards, set
1452 OPERATING_ENVIRONMENT, add tx3904sio devices.
1453 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1454 ROM executables. Install dv-sockser into sim-modules list.
1455
1456 * dv-tx3904irc.c: Compiler warning clean-up.
1457 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1458 frequent hw-trace messages.
1459
1460Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1461
1462 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1463
1464Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1465
1466 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1467
1468 * vr.igen: New file.
1469 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1470 * mips.igen: Define vr4100 model. Include vr.igen.
1471Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1472
1473 * mips.igen (check_mf_hilo): Correct check.
1474
1475Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1476
1477 * sim-main.h (interrupt_event): Add prototype.
1478
1479 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1480 register_ptr, register_value.
1481 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1482
1483 * sim-main.h (tracefh): Make extern.
1484
1485Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1486
1487 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1488 Reduce unnecessarily high timer event frequency.
1489 * dv-tx3904cpu.c: Ditto for interrupt event.
1490
1491Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1492
1493 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1494 to allay warnings.
1495 (interrupt_event): Made non-static.
1496
1497 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1498 interchange of configuration values for external vs. internal
1499 clock dividers.
1500
1501Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1502
1503 * mips.igen (BREAK): Moved code to here for
1504 simulator-reserved break instructions.
1505 * gencode.c (build_instruction): Ditto.
1506 * interp.c (signal_exception): Code moved from here. Non-
1507 reserved instructions now use exception vector, rather
1508 than halting sim.
1509 * sim-main.h: Moved magic constants to here.
1510
1511Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1512
1513 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1514 register upon non-zero interrupt event level, clear upon zero
1515 event value.
1516 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1517 by passing zero event value.
1518 (*_io_{read,write}_buffer): Endianness fixes.
1519 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1520 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1521
1522 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1523 serial I/O and timer module at base address 0xFFFF0000.
1524
1525Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1526
1527 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1528 and BigEndianCPU.
1529
1530Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1531
1532 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1533 parts.
1534 * configure: Update.
1535
1536Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1537
1538 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1539 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1540 * configure.in: Include tx3904tmr in hw_device list.
1541 * configure: Rebuilt.
1542 * interp.c (sim_open): Instantiate three timer instances.
1543 Fix address typo of tx3904irc instance.
1544
1545Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1546
1547 * interp.c (signal_exception): SystemCall exception now uses
1548 the exception vector.
1549
1550Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1551
1552 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1553 to allay warnings.
1554
1555Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1556
1557 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1558
1559Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1560
1561 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1562
1563 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1564 sim-main.h. Declare a struct hw_descriptor instead of struct
1565 hw_device_descriptor.
1566
1567Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1568
1569 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1570 right bits and then re-align left hand bytes to correct byte
1571 lanes. Fix incorrect computation in do_store_left when loading
1572 bytes from second word.
1573
1574Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1575
1576 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1577 * interp.c (sim_open): Only create a device tree when HW is
1578 enabled.
1579
1580 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1581 * interp.c (signal_exception): Ditto.
1582
1583Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1584
1585 * gencode.c: Mark BEGEZALL as LIKELY.
1586
1587Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1588
1589 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1590 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1591
1592Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1593
1594 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1595 modules. Recognize TX39 target with "mips*tx39" pattern.
1596 * configure: Rebuilt.
1597 * sim-main.h (*): Added many macros defining bits in
1598 TX39 control registers.
1599 (SignalInterrupt): Send actual PC instead of NULL.
1600 (SignalNMIReset): New exception type.
1601 * interp.c (board): New variable for future use to identify
1602 a particular board being simulated.
1603 (mips_option_handler,mips_options): Added "--board" option.
1604 (interrupt_event): Send actual PC.
1605 (sim_open): Make memory layout conditional on board setting.
1606 (signal_exception): Initial implementation of hardware interrupt
1607 handling. Accept another break instruction variant for simulator
1608 exit.
1609 (decode_coproc): Implement RFE instruction for TX39.
1610 (mips.igen): Decode RFE instruction as such.
1611 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1612 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1613 bbegin to implement memory map.
1614 * dv-tx3904cpu.c: New file.
1615 * dv-tx3904irc.c: New file.
1616
1617Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1618
1619 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1620
1621Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1622
1623 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1624 with calls to check_div_hilo.
1625
1626Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1627
1628 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1629 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1630 Add special r3900 version of do_mult_hilo.
1631 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1632 with calls to check_mult_hilo.
1633 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1634 with calls to check_div_hilo.
1635
1636Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1637
1638 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1639 Document a replacement.
1640
1641Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1642
1643 * interp.c (sim_monitor): Make mon_printf work.
1644
1645Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1646
1647 * sim-main.h (INSN_NAME): New arg `cpu'.
1648
1649Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1650
1651 * configure: Regenerated to track ../common/aclocal.m4 changes.
1652
1653Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1654
1655 * configure: Regenerated to track ../common/aclocal.m4 changes.
1656 * config.in: Ditto.
1657
1658Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1659
1660 * acconfig.h: New file.
1661 * configure.in: Reverted change of Apr 24; use sinclude again.
1662
1663Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1664
1665 * configure: Regenerated to track ../common/aclocal.m4 changes.
1666 * config.in: Ditto.
1667
1668Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1669
1670 * configure.in: Don't call sinclude.
1671
1672Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1673
1674 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1675
1676Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1677
1678 * mips.igen (ERET): Implement.
1679
1680 * interp.c (decode_coproc): Return sign-extended EPC.
1681
1682 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1683
1684 * interp.c (signal_exception): Do not ignore Trap.
1685 (signal_exception): On TRAP, restart at exception address.
1686 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1687 (signal_exception): Update.
1688 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1689 so that TRAP instructions are caught.
1690
1691Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1692
1693 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1694 contains HI/LO access history.
1695 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1696 (HIACCESS, LOACCESS): Delete, replace with
1697 (HIHISTORY, LOHISTORY): New macros.
1698 (CHECKHILO): Delete all, moved to mips.igen
1699
1700 * gencode.c (build_instruction): Do not generate checks for
1701 correct HI/LO register usage.
1702
1703 * interp.c (old_engine_run): Delete checks for correct HI/LO
1704 register usage.
1705
1706 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1707 check_mf_cycles): New functions.
1708 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1709 do_divu, domultx, do_mult, do_multu): Use.
1710
1711 * tx.igen ("madd", "maddu"): Use.
1712
1713Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1714
1715 * mips.igen (DSRAV): Use function do_dsrav.
1716 (SRAV): Use new function do_srav.
1717
1718 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1719 (B): Sign extend 11 bit immediate.
1720 (EXT-B*): Shift 16 bit immediate left by 1.
1721 (ADDIU*): Don't sign extend immediate value.
1722
1723Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1724
1725 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1726
1727 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1728 functions.
1729
1730 * mips.igen (delayslot32, nullify_next_insn): New functions.
1731 (m16.igen): Always include.
1732 (do_*): Add more tracing.
1733
1734 * m16.igen (delayslot16): Add NIA argument, could be called by a
1735 32 bit MIPS16 instruction.
1736
1737 * interp.c (ifetch16): Move function from here.
1738 * sim-main.c (ifetch16): To here.
1739
1740 * sim-main.c (ifetch16, ifetch32): Update to match current
1741 implementations of LH, LW.
1742 (signal_exception): Don't print out incorrect hex value of illegal
1743 instruction.
1744
1745Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1746
1747 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1748 instruction.
1749
1750 * m16.igen: Implement MIPS16 instructions.
1751
1752 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1753 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1754 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1755 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1756 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1757 bodies of corresponding code from 32 bit insn to these. Also used
1758 by MIPS16 versions of functions.
1759
1760 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1761 (IMEM16): Drop NR argument from macro.
1762
1763Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1764
1765 * Makefile.in (SIM_OBJS): Add sim-main.o.
1766
1767 * sim-main.h (address_translation, load_memory, store_memory,
1768 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1769 as INLINE_SIM_MAIN.
1770 (pr_addr, pr_uword64): Declare.
1771 (sim-main.c): Include when H_REVEALS_MODULE_P.
1772
1773 * interp.c (address_translation, load_memory, store_memory,
1774 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1775 from here.
1776 * sim-main.c: To here. Fix compilation problems.
1777
1778 * configure.in: Enable inlining.
1779 * configure: Re-config.
1780
1781Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1782
1783 * configure: Regenerated to track ../common/aclocal.m4 changes.
1784
1785Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1786
1787 * mips.igen: Include tx.igen.
1788 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1789 * tx.igen: New file, contains MADD and MADDU.
1790
1791 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1792 the hardwired constant `7'.
1793 (store_memory): Ditto.
1794 (LOADDRMASK): Move definition to sim-main.h.
1795
1796 mips.igen (MTC0): Enable for r3900.
1797 (ADDU): Add trace.
1798
1799 mips.igen (do_load_byte): Delete.
1800 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1801 do_store_right): New functions.
1802 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1803
1804 configure.in: Let the tx39 use igen again.
1805 configure: Update.
1806
1807Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1808
1809 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1810 not an address sized quantity. Return zero for cache sizes.
1811
1812Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1813
1814 * mips.igen (r3900): r3900 does not support 64 bit integer
1815 operations.
1816
1817Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1818
1819 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1820 than igen one.
1821 * configure : Rebuild.
1822
1823Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1824
1825 * configure: Regenerated to track ../common/aclocal.m4 changes.
1826
1827Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1828
1829 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1830
1831Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1832
1833 * configure: Regenerated to track ../common/aclocal.m4 changes.
1834 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1835
1836Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1837
1838 * configure: Regenerated to track ../common/aclocal.m4 changes.
1839
1840Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1841
1842 * interp.c (Max, Min): Comment out functions. Not yet used.
1843
1844Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1845
1846 * configure: Regenerated to track ../common/aclocal.m4 changes.
1847
1848Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1849
1850 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1851 configurable settings for stand-alone simulator.
1852
1853 * configure.in: Added X11 search, just in case.
1854
1855 * configure: Regenerated.
1856
1857Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1858
1859 * interp.c (sim_write, sim_read, load_memory, store_memory):
1860 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1861
1862Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1863
1864 * sim-main.h (GETFCC): Return an unsigned value.
1865
1866Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1867
1868 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1869 (DADD): Result destination is RD not RT.
1870
1871Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1872
1873 * sim-main.h (HIACCESS, LOACCESS): Always define.
1874
1875 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1876
1877 * interp.c (sim_info): Delete.
1878
1879Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1880
1881 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1882 (mips_option_handler): New argument `cpu'.
1883 (sim_open): Update call to sim_add_option_table.
1884
1885Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1886
1887 * mips.igen (CxC1): Add tracing.
1888
1889Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1890
1891 * sim-main.h (Max, Min): Declare.
1892
1893 * interp.c (Max, Min): New functions.
1894
1895 * mips.igen (BC1): Add tracing.
1896
1897Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1898
1899 * interp.c Added memory map for stack in vr4100
1900
1901Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1902
1903 * interp.c (load_memory): Add missing "break"'s.
1904
1905Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1906
1907 * interp.c (sim_store_register, sim_fetch_register): Pass in
1908 length parameter. Return -1.
1909
1910Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1911
1912 * interp.c: Added hardware init hook, fixed warnings.
1913
1914Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1915
1916 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1917
1918Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1919
1920 * interp.c (ifetch16): New function.
1921
1922 * sim-main.h (IMEM32): Rename IMEM.
1923 (IMEM16_IMMED): Define.
1924 (IMEM16): Define.
1925 (DELAY_SLOT): Update.
1926
1927 * m16run.c (sim_engine_run): New file.
1928
1929 * m16.igen: All instructions except LB.
1930 (LB): Call do_load_byte.
1931 * mips.igen (do_load_byte): New function.
1932 (LB): Call do_load_byte.
1933
1934 * mips.igen: Move spec for insn bit size and high bit from here.
1935 * Makefile.in (tmp-igen, tmp-m16): To here.
1936
1937 * m16.dc: New file, decode mips16 instructions.
1938
1939 * Makefile.in (SIM_NO_ALL): Define.
1940 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1941
1942Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1943
1944 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1945 point unit to 32 bit registers.
1946 * configure: Re-generate.
1947
1948Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1949
1950 * configure.in (sim_use_gen): Make IGEN the default simulator
1951 generator for generic 32 and 64 bit mips targets.
1952 * configure: Re-generate.
1953
1954Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1955
1956 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1957 bitsize.
1958
1959 * interp.c (sim_fetch_register, sim_store_register): Read/write
1960 FGR from correct location.
1961 (sim_open): Set size of FGR's according to
1962 WITH_TARGET_FLOATING_POINT_BITSIZE.
1963
1964 * sim-main.h (FGR): Store floating point registers in a separate
1965 array.
1966
1967Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1968
1969 * configure: Regenerated to track ../common/aclocal.m4 changes.
1970
1971Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1972
1973 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1974
1975 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1976
1977 * interp.c (pending_tick): New function. Deliver pending writes.
1978
1979 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1980 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1981 it can handle mixed sized quantites and single bits.
1982
1983Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1984
1985 * interp.c (oengine.h): Do not include when building with IGEN.
1986 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1987 (sim_info): Ditto for PROCESSOR_64BIT.
1988 (sim_monitor): Replace ut_reg with unsigned_word.
1989 (*): Ditto for t_reg.
1990 (LOADDRMASK): Define.
1991 (sim_open): Remove defunct check that host FP is IEEE compliant,
1992 using software to emulate floating point.
1993 (value_fpr, ...): Always compile, was conditional on HASFPU.
1994
1995Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1996
1997 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1998 size.
1999
2000 * interp.c (SD, CPU): Define.
2001 (mips_option_handler): Set flags in each CPU.
2002 (interrupt_event): Assume CPU 0 is the one being iterrupted.
2003 (sim_close): Do not clear STATE, deleted anyway.
2004 (sim_write, sim_read): Assume CPU zero's vm should be used for
2005 data transfers.
2006 (sim_create_inferior): Set the PC for all processors.
2007 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
2008 argument.
2009 (mips16_entry): Pass correct nr of args to store_word, load_word.
2010 (ColdReset): Cold reset all cpu's.
2011 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
2012 (sim_monitor, load_memory, store_memory, signal_exception): Use
2013 `CPU' instead of STATE_CPU.
2014
2015
2016 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
2017 SD or CPU_.
2018
2019 * sim-main.h (signal_exception): Add sim_cpu arg.
2020 (SignalException*): Pass both SD and CPU to signal_exception.
2021 * interp.c (signal_exception): Update.
2022
2023 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
2024 Ditto
2025 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2026 address_translation): Ditto
2027 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
2028
2029Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2030
2031 * configure: Regenerated to track ../common/aclocal.m4 changes.
2032
2033Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2034
2035 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2036
2037 * mips.igen (model): Map processor names onto BFD name.
2038
2039 * sim-main.h (CPU_CIA): Delete.
2040 (SET_CIA, GET_CIA): Define
2041
2042Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2043
2044 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2045 regiser.
2046
2047 * configure.in (default_endian): Configure a big-endian simulator
2048 by default.
2049 * configure: Re-generate.
2050
2051Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2052
2053 * configure: Regenerated to track ../common/aclocal.m4 changes.
2054
2055Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2056
2057 * interp.c (sim_monitor): Handle Densan monitor outbyte
2058 and inbyte functions.
2059
20601997-12-29 Felix Lee <flee@cygnus.com>
2061
2062 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2063
2064Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2065
2066 * Makefile.in (tmp-igen): Arrange for $zero to always be
2067 reset to zero after every instruction.
2068
2069Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2070
2071 * configure: Regenerated to track ../common/aclocal.m4 changes.
2072 * config.in: Ditto.
2073
2074Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2075
2076 * mips.igen (MSUB): Fix to work like MADD.
2077 * gencode.c (MSUB): Similarly.
2078
2079Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2080
2081 * configure: Regenerated to track ../common/aclocal.m4 changes.
2082
2083Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2084
2085 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2086
2087Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2088
2089 * sim-main.h (sim-fpu.h): Include.
2090
2091 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2092 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2093 using host independant sim_fpu module.
2094
2095Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2096
2097 * interp.c (signal_exception): Report internal errors with SIGABRT
2098 not SIGQUIT.
2099
2100 * sim-main.h (C0_CONFIG): New register.
2101 (signal.h): No longer include.
2102
2103 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2104
2105Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2106
2107 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2108
2109Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2110
2111 * mips.igen: Tag vr5000 instructions.
2112 (ANDI): Was missing mipsIV model, fix assembler syntax.
2113 (do_c_cond_fmt): New function.
2114 (C.cond.fmt): Handle mips I-III which do not support CC field
2115 separatly.
2116 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2117 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2118 in IV3.2 spec.
2119 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2120 vr5000 which saves LO in a GPR separatly.
2121
2122 * configure.in (enable-sim-igen): For vr5000, select vr5000
2123 specific instructions.
2124 * configure: Re-generate.
2125
2126Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2127
2128 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2129
2130 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2131 fmt_uninterpreted_64 bit cases to switch. Convert to
2132 fmt_formatted,
2133
2134 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2135
2136 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2137 as specified in IV3.2 spec.
2138 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2139
2140Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2141
2142 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2143 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2144 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2145 PENDING_FILL versions of instructions. Simplify.
2146 (X): New function.
2147 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2148 instructions.
2149 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2150 a signed value.
2151 (MTHI, MFHI): Disable code checking HI-LO.
2152
2153 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2154 global.
2155 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2156
2157Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2158
2159 * gencode.c (build_mips16_operands): Replace IPC with cia.
2160
2161 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2162 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2163 IPC to `cia'.
2164 (UndefinedResult): Replace function with macro/function
2165 combination.
2166 (sim_engine_run): Don't save PC in IPC.
2167
2168 * sim-main.h (IPC): Delete.
2169
2170
2171 * interp.c (signal_exception, store_word, load_word,
2172 address_translation, load_memory, store_memory, cache_op,
2173 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2174 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2175 current instruction address - cia - argument.
2176 (sim_read, sim_write): Call address_translation directly.
2177 (sim_engine_run): Rename variable vaddr to cia.
2178 (signal_exception): Pass cia to sim_monitor
2179
2180 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2181 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2182 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2183
2184 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2185 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2186 SIM_ASSERT.
2187
2188 * interp.c (signal_exception): Pass restart address to
2189 sim_engine_restart.
2190
2191 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2192 idecode.o): Add dependency.
2193
2194 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2195 Delete definitions
2196 (DELAY_SLOT): Update NIA not PC with branch address.
2197 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2198
2199 * mips.igen: Use CIA not PC in branch calculations.
2200 (illegal): Call SignalException.
2201 (BEQ, ADDIU): Fix assembler.
2202
2203Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2204
2205 * m16.igen (JALX): Was missing.
2206
2207 * configure.in (enable-sim-igen): New configuration option.
2208 * configure: Re-generate.
2209
2210 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2211
2212 * interp.c (load_memory, store_memory): Delete parameter RAW.
2213 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2214 bypassing {load,store}_memory.
2215
2216 * sim-main.h (ByteSwapMem): Delete definition.
2217
2218 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2219
2220 * interp.c (sim_do_command, sim_commands): Delete mips specific
2221 commands. Handled by module sim-options.
2222
2223 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2224 (WITH_MODULO_MEMORY): Define.
2225
2226 * interp.c (sim_info): Delete code printing memory size.
2227
2228 * interp.c (mips_size): Nee sim_size, delete function.
2229 (power2): Delete.
2230 (monitor, monitor_base, monitor_size): Delete global variables.
2231 (sim_open, sim_close): Delete code creating monitor and other
2232 memory regions. Use sim-memopts module, via sim_do_commandf, to
2233 manage memory regions.
2234 (load_memory, store_memory): Use sim-core for memory model.
2235
2236 * interp.c (address_translation): Delete all memory map code
2237 except line forcing 32 bit addresses.
2238
2239Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2240
2241 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2242 trace options.
2243
2244 * interp.c (logfh, logfile): Delete globals.
2245 (sim_open, sim_close): Delete code opening & closing log file.
2246 (mips_option_handler): Delete -l and -n options.
2247 (OPTION mips_options): Ditto.
2248
2249 * interp.c (OPTION mips_options): Rename option trace to dinero.
2250 (mips_option_handler): Update.
2251
2252Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2253
2254 * interp.c (fetch_str): New function.
2255 (sim_monitor): Rewrite using sim_read & sim_write.
2256 (sim_open): Check magic number.
2257 (sim_open): Write monitor vectors into memory using sim_write.
2258 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2259 (sim_read, sim_write): Simplify - transfer data one byte at a
2260 time.
2261 (load_memory, store_memory): Clarify meaning of parameter RAW.
2262
2263 * sim-main.h (isHOST): Defete definition.
2264 (isTARGET): Mark as depreciated.
2265 (address_translation): Delete parameter HOST.
2266
2267 * interp.c (address_translation): Delete parameter HOST.
2268
2269Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2270
2271 * mips.igen:
2272
2273 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2274 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2275
2276Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2277
2278 * mips.igen: Add model filter field to records.
2279
2280Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2281
2282 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2283
2284 interp.c (sim_engine_run): Do not compile function sim_engine_run
2285 when WITH_IGEN == 1.
2286
2287 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2288 target architecture.
2289
2290 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2291 igen. Replace with configuration variables sim_igen_flags /
2292 sim_m16_flags.
2293
2294 * m16.igen: New file. Copy mips16 insns here.
2295 * mips.igen: From here.
2296
2297Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2298
2299 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2300 to top.
2301 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2302
2303Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2304
2305 * gencode.c (build_instruction): Follow sim_write's lead in using
2306 BigEndianMem instead of !ByteSwapMem.
2307
2308Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2309
2310 * configure.in (sim_gen): Dependent on target, select type of
2311 generator. Always select old style generator.
2312
2313 configure: Re-generate.
2314
2315 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2316 targets.
2317 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2318 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2319 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2320 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2321 SIM_@sim_gen@_*, set by autoconf.
2322
2323Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2324
2325 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2326
2327 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2328 CURRENT_FLOATING_POINT instead.
2329
2330 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2331 (address_translation): Raise exception InstructionFetch when
2332 translation fails and isINSTRUCTION.
2333
2334 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2335 sim_engine_run): Change type of of vaddr and paddr to
2336 address_word.
2337 (address_translation, prefetch, load_memory, store_memory,
2338 cache_op): Change type of vAddr and pAddr to address_word.
2339
2340 * gencode.c (build_instruction): Change type of vaddr and paddr to
2341 address_word.
2342
2343Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2344
2345 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2346 macro to obtain result of ALU op.
2347
2348Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2349
2350 * interp.c (sim_info): Call profile_print.
2351
2352Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2353
2354 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2355
2356 * sim-main.h (WITH_PROFILE): Do not define, defined in
2357 common/sim-config.h. Use sim-profile module.
2358 (simPROFILE): Delete defintion.
2359
2360 * interp.c (PROFILE): Delete definition.
2361 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2362 (sim_close): Delete code writing profile histogram.
2363 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2364 Delete.
2365 (sim_engine_run): Delete code profiling the PC.
2366
2367Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2368
2369 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2370
2371 * interp.c (sim_monitor): Make register pointers of type
2372 unsigned_word*.
2373
2374 * sim-main.h: Make registers of type unsigned_word not
2375 signed_word.
2376
2377Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2378
2379 * interp.c (sync_operation): Rename from SyncOperation, make
2380 global, add SD argument.
2381 (prefetch): Rename from Prefetch, make global, add SD argument.
2382 (decode_coproc): Make global.
2383
2384 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2385
2386 * gencode.c (build_instruction): Generate DecodeCoproc not
2387 decode_coproc calls.
2388
2389 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2390 (SizeFGR): Move to sim-main.h
2391 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2392 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2393 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2394 sim-main.h.
2395 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2396 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2397 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2398 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2399 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2400 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2401
2402 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2403 exception.
2404 (sim-alu.h): Include.
2405 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2406 (sim_cia): Typedef to instruction_address.
2407
2408Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2409
2410 * Makefile.in (interp.o): Rename generated file engine.c to
2411 oengine.c.
2412
2413 * interp.c: Update.
2414
2415Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2416
2417 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2418
2419Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2420
2421 * gencode.c (build_instruction): For "FPSQRT", output correct
2422 number of arguments to Recip.
2423
2424Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2425
2426 * Makefile.in (interp.o): Depends on sim-main.h
2427
2428 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2429
2430 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2431 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2432 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2433 STATE, DSSTATE): Define
2434 (GPR, FGRIDX, ..): Define.
2435
2436 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2437 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2438 (GPR, FGRIDX, ...): Delete macros.
2439
2440 * interp.c: Update names to match defines from sim-main.h
2441
2442Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2443
2444 * interp.c (sim_monitor): Add SD argument.
2445 (sim_warning): Delete. Replace calls with calls to
2446 sim_io_eprintf.
2447 (sim_error): Delete. Replace calls with sim_io_error.
2448 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2449 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2450 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2451 argument.
2452 (mips_size): Rename from sim_size. Add SD argument.
2453
2454 * interp.c (simulator): Delete global variable.
2455 (callback): Delete global variable.
2456 (mips_option_handler, sim_open, sim_write, sim_read,
2457 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2458 sim_size,sim_monitor): Use sim_io_* not callback->*.
2459 (sim_open): ZALLOC simulator struct.
2460 (PROFILE): Do not define.
2461
2462Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2463
2464 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2465 support.h with corresponding code.
2466
2467 * sim-main.h (word64, uword64), support.h: Move definition to
2468 sim-main.h.
2469 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2470
2471 * support.h: Delete
2472 * Makefile.in: Update dependencies
2473 * interp.c: Do not include.
2474
2475Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2476
2477 * interp.c (address_translation, load_memory, store_memory,
2478 cache_op): Rename to from AddressTranslation et.al., make global,
2479 add SD argument
2480
2481 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2482 CacheOp): Define.
2483
2484 * interp.c (SignalException): Rename to signal_exception, make
2485 global.
2486
2487 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2488
2489 * sim-main.h (SignalException, SignalExceptionInterrupt,
2490 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2491 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2492 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2493 Define.
2494
2495 * interp.c, support.h: Use.
2496
2497Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2498
2499 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2500 to value_fpr / store_fpr. Add SD argument.
2501 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2502 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2503
2504 * sim-main.h (ValueFPR, StoreFPR): Define.
2505
2506Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2507
2508 * interp.c (sim_engine_run): Check consistency between configure
2509 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2510 and HASFPU.
2511
2512 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2513 (mips_fpu): Configure WITH_FLOATING_POINT.
2514 (mips_endian): Configure WITH_TARGET_ENDIAN.
2515 * configure: Update.
2516
2517Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2518
2519 * configure: Regenerated to track ../common/aclocal.m4 changes.
2520
2521Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2522
2523 * configure: Regenerated.
2524
2525Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2526
2527 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2528
2529Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2530
2531 * gencode.c (print_igen_insn_models): Assume certain architectures
2532 include all mips* instructions.
2533 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2534 instruction.
2535
2536 * Makefile.in (tmp.igen): Add target. Generate igen input from
2537 gencode file.
2538
2539 * gencode.c (FEATURE_IGEN): Define.
2540 (main): Add --igen option. Generate output in igen format.
2541 (process_instructions): Format output according to igen option.
2542 (print_igen_insn_format): New function.
2543 (print_igen_insn_models): New function.
2544 (process_instructions): Only issue warnings and ignore
2545 instructions when no FEATURE_IGEN.
2546
2547Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2548
2549 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2550 MIPS targets.
2551
2552Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2553
2554 * configure: Regenerated to track ../common/aclocal.m4 changes.
2555
2556Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2557
2558 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2559 SIM_RESERVED_BITS): Delete, moved to common.
2560 (SIM_EXTRA_CFLAGS): Update.
2561
2562Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2563
2564 * configure.in: Configure non-strict memory alignment.
2565 * configure: Regenerated to track ../common/aclocal.m4 changes.
2566
2567Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2568
2569 * configure: Regenerated to track ../common/aclocal.m4 changes.
2570
2571Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2572
2573 * gencode.c (SDBBP,DERET): Added (3900) insns.
2574 (RFE): Turn on for 3900.
2575 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2576 (dsstate): Made global.
2577 (SUBTARGET_R3900): Added.
2578 (CANCELDELAYSLOT): New.
2579 (SignalException): Ignore SystemCall rather than ignore and
2580 terminate. Add DebugBreakPoint handling.
2581 (decode_coproc): New insns RFE, DERET; and new registers Debug
2582 and DEPC protected by SUBTARGET_R3900.
2583 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2584 bits explicitly.
2585 * Makefile.in,configure.in: Add mips subtarget option.
2586 * configure: Update.
2587
2588Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2589
2590 * gencode.c: Add r3900 (tx39).
2591
2592
2593Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2594
2595 * gencode.c (build_instruction): Don't need to subtract 4 for
2596 JALR, just 2.
2597
2598Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2599
2600 * interp.c: Correct some HASFPU problems.
2601
2602Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2603
2604 * configure: Regenerated to track ../common/aclocal.m4 changes.
2605
2606Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2607
2608 * interp.c (mips_options): Fix samples option short form, should
2609 be `x'.
2610
2611Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2612
2613 * interp.c (sim_info): Enable info code. Was just returning.
2614
2615Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2616
2617 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2618 MFC0.
2619
2620Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2621
2622 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2623 constants.
2624 (build_instruction): Ditto for LL.
2625
2626Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2627
2628 * configure: Regenerated to track ../common/aclocal.m4 changes.
2629
2630Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2631
2632 * configure: Regenerated to track ../common/aclocal.m4 changes.
2633 * config.in: Ditto.
2634
2635Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2636
2637 * interp.c (sim_open): Add call to sim_analyze_program, update
2638 call to sim_config.
2639
2640Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2641
2642 * interp.c (sim_kill): Delete.
2643 (sim_create_inferior): Add ABFD argument. Set PC from same.
2644 (sim_load): Move code initializing trap handlers from here.
2645 (sim_open): To here.
2646 (sim_load): Delete, use sim-hload.c.
2647
2648 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2649
2650Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2651
2652 * configure: Regenerated to track ../common/aclocal.m4 changes.
2653 * config.in: Ditto.
2654
2655Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2656
2657 * interp.c (sim_open): Add ABFD argument.
2658 (sim_load): Move call to sim_config from here.
2659 (sim_open): To here. Check return status.
2660
2661Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2662
2663 * gencode.c (build_instruction): Two arg MADD should
2664 not assign result to $0.
2665
2666Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2667
2668 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2669 * sim/mips/configure.in: Regenerate.
2670
2671Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2672
2673 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2674 signed8, unsigned8 et.al. types.
2675
2676 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2677 hosts when selecting subreg.
2678
2679Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2680
2681 * interp.c (sim_engine_run): Reset the ZERO register to zero
2682 regardless of FEATURE_WARN_ZERO.
2683 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2684
2685Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2686
2687 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2688 (SignalException): For BreakPoints ignore any mode bits and just
2689 save the PC.
2690 (SignalException): Always set the CAUSE register.
2691
2692Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2693
2694 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2695 exception has been taken.
2696
2697 * interp.c: Implement the ERET and mt/f sr instructions.
2698
2699Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2700
2701 * interp.c (SignalException): Don't bother restarting an
2702 interrupt.
2703
2704Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2705
2706 * interp.c (SignalException): Really take an interrupt.
2707 (interrupt_event): Only deliver interrupts when enabled.
2708
2709Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2710
2711 * interp.c (sim_info): Only print info when verbose.
2712 (sim_info) Use sim_io_printf for output.
2713
2714Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2715
2716 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2717 mips architectures.
2718
2719Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2720
2721 * interp.c (sim_do_command): Check for common commands if a
2722 simulator specific command fails.
2723
2724Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2725
2726 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2727 and simBE when DEBUG is defined.
2728
2729Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2730
2731 * interp.c (interrupt_event): New function. Pass exception event
2732 onto exception handler.
2733
2734 * configure.in: Check for stdlib.h.
2735 * configure: Regenerate.
2736
2737 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2738 variable declaration.
2739 (build_instruction): Initialize memval1.
2740 (build_instruction): Add UNUSED attribute to byte, bigend,
2741 reverse.
2742 (build_operands): Ditto.
2743
2744 * interp.c: Fix GCC warnings.
2745 (sim_get_quit_code): Delete.
2746
2747 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2748 * Makefile.in: Ditto.
2749 * configure: Re-generate.
2750
2751 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2752
2753Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2754
2755 * interp.c (mips_option_handler): New function parse argumes using
2756 sim-options.
2757 (myname): Replace with STATE_MY_NAME.
2758 (sim_open): Delete check for host endianness - performed by
2759 sim_config.
2760 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2761 (sim_open): Move much of the initialization from here.
2762 (sim_load): To here. After the image has been loaded and
2763 endianness set.
2764 (sim_open): Move ColdReset from here.
2765 (sim_create_inferior): To here.
2766 (sim_open): Make FP check less dependant on host endianness.
2767
2768 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2769 run.
2770 * interp.c (sim_set_callbacks): Delete.
2771
2772 * interp.c (membank, membank_base, membank_size): Replace with
2773 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2774 (sim_open): Remove call to callback->init. gdb/run do this.
2775
2776 * interp.c: Update
2777
2778 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2779
2780 * interp.c (big_endian_p): Delete, replaced by
2781 current_target_byte_order.
2782
2783Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2784
2785 * interp.c (host_read_long, host_read_word, host_swap_word,
2786 host_swap_long): Delete. Using common sim-endian.
2787 (sim_fetch_register, sim_store_register): Use H2T.
2788 (pipeline_ticks): Delete. Handled by sim-events.
2789 (sim_info): Update.
2790 (sim_engine_run): Update.
2791
2792Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2793
2794 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2795 reason from here.
2796 (SignalException): To here. Signal using sim_engine_halt.
2797 (sim_stop_reason): Delete, moved to common.
2798
2799Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2800
2801 * interp.c (sim_open): Add callback argument.
2802 (sim_set_callbacks): Delete SIM_DESC argument.
2803 (sim_size): Ditto.
2804
2805Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2806
2807 * Makefile.in (SIM_OBJS): Add common modules.
2808
2809 * interp.c (sim_set_callbacks): Also set SD callback.
2810 (set_endianness, xfer_*, swap_*): Delete.
2811 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2812 Change to functions using sim-endian macros.
2813 (control_c, sim_stop): Delete, use common version.
2814 (simulate): Convert into.
2815 (sim_engine_run): This function.
2816 (sim_resume): Delete.
2817
2818 * interp.c (simulation): New variable - the simulator object.
2819 (sim_kind): Delete global - merged into simulation.
2820 (sim_load): Cleanup. Move PC assignment from here.
2821 (sim_create_inferior): To here.
2822
2823 * sim-main.h: New file.
2824 * interp.c (sim-main.h): Include.
2825
2826Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2827
2828 * configure: Regenerated to track ../common/aclocal.m4 changes.
2829
2830Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2831
2832 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2833
2834Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2835
2836 * gencode.c (build_instruction): DIV instructions: check
2837 for division by zero and integer overflow before using
2838 host's division operation.
2839
2840Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2841
2842 * Makefile.in (SIM_OBJS): Add sim-load.o.
2843 * interp.c: #include bfd.h.
2844 (target_byte_order): Delete.
2845 (sim_kind, myname, big_endian_p): New static locals.
2846 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2847 after argument parsing. Recognize -E arg, set endianness accordingly.
2848 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2849 load file into simulator. Set PC from bfd.
2850 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2851 (set_endianness): Use big_endian_p instead of target_byte_order.
2852
2853Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2854
2855 * interp.c (sim_size): Delete prototype - conflicts with
2856 definition in remote-sim.h. Correct definition.
2857
2858Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2859
2860 * configure: Regenerated to track ../common/aclocal.m4 changes.
2861 * config.in: Ditto.
2862
2863Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2864
2865 * interp.c (sim_open): New arg `kind'.
2866
2867 * configure: Regenerated to track ../common/aclocal.m4 changes.
2868
2869Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2870
2871 * configure: Regenerated to track ../common/aclocal.m4 changes.
2872
2873Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2874
2875 * interp.c (sim_open): Set optind to 0 before calling getopt.
2876
2877Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2878
2879 * configure: Regenerated to track ../common/aclocal.m4 changes.
2880
2881Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2882
2883 * interp.c : Replace uses of pr_addr with pr_uword64
2884 where the bit length is always 64 independent of SIM_ADDR.
2885 (pr_uword64) : added.
2886
2887Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2888
2889 * configure: Re-generate.
2890
2891Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2892
2893 * configure: Regenerate to track ../common/aclocal.m4 changes.
2894
2895Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2896
2897 * interp.c (sim_open): New SIM_DESC result. Argument is now
2898 in argv form.
2899 (other sim_*): New SIM_DESC argument.
2900
2901Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2902
2903 * interp.c: Fix printing of addresses for non-64-bit targets.
2904 (pr_addr): Add function to print address based on size.
2905
2906Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2907
2908 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2909
2910Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2911
2912 * gencode.c (build_mips16_operands): Correct computation of base
2913 address for extended PC relative instruction.
2914
2915Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2916
2917 * interp.c (mips16_entry): Add support for floating point cases.
2918 (SignalException): Pass floating point cases to mips16_entry.
2919 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2920 registers.
2921 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2922 or fmt_word.
2923 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2924 and then set the state to fmt_uninterpreted.
2925 (COP_SW): Temporarily set the state to fmt_word while calling
2926 ValueFPR.
2927
2928Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2929
2930 * gencode.c (build_instruction): The high order may be set in the
2931 comparison flags at any ISA level, not just ISA 4.
2932
2933Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2934
2935 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2936 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2937 * configure.in: sinclude ../common/aclocal.m4.
2938 * configure: Regenerated.
2939
2940Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2941
2942 * configure: Rebuild after change to aclocal.m4.
2943
2944Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2945
2946 * configure configure.in Makefile.in: Update to new configure
2947 scheme which is more compatible with WinGDB builds.
2948 * configure.in: Improve comment on how to run autoconf.
2949 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2950 * Makefile.in: Use autoconf substitution to install common
2951 makefile fragment.
2952
2953Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2954
2955 * gencode.c (build_instruction): Use BigEndianCPU instead of
2956 ByteSwapMem.
2957
2958Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2959
2960 * interp.c (sim_monitor): Make output to stdout visible in
2961 wingdb's I/O log window.
2962
2963Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2964
2965 * support.h: Undo previous change to SIGTRAP
2966 and SIGQUIT values.
2967
2968Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2969
2970 * interp.c (store_word, load_word): New static functions.
2971 (mips16_entry): New static function.
2972 (SignalException): Look for mips16 entry and exit instructions.
2973 (simulate): Use the correct index when setting fpr_state after
2974 doing a pending move.
2975
2976Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2977
2978 * interp.c: Fix byte-swapping code throughout to work on
2979 both little- and big-endian hosts.
2980
2981Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2982
2983 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2984 with gdb/config/i386/xm-windows.h.
2985
2986Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2987
2988 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2989 that messes up arithmetic shifts.
2990
2991Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2992
2993 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2994 SIGTRAP and SIGQUIT for _WIN32.
2995
2996Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2997
2998 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2999 force a 64 bit multiplication.
3000 (build_instruction) [OR]: In mips16 mode, don't do anything if the
3001 destination register is 0, since that is the default mips16 nop
3002 instruction.
3003
3004Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
3005
3006 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
3007 (build_endian_shift): Don't check proc64.
3008 (build_instruction): Always set memval to uword64. Cast op2 to
3009 uword64 when shifting it left in memory instructions. Always use
3010 the same code for stores--don't special case proc64.
3011
3012 * gencode.c (build_mips16_operands): Fix base PC value for PC
3013 relative operands.
3014 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
3015 jal instruction.
3016 * interp.c (simJALDELAYSLOT): Define.
3017 (JALDELAYSLOT): Define.
3018 (INDELAYSLOT, INJALDELAYSLOT): Define.
3019 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
3020
3021Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
3022
3023 * interp.c (sim_open): add flush_cache as a PMON routine
3024 (sim_monitor): handle flush_cache by ignoring it
3025
3026Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3027
3028 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3029 BigEndianMem.
3030 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3031 (BigEndianMem): Rename to ByteSwapMem and change sense.
3032 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3033 BigEndianMem references to !ByteSwapMem.
3034 (set_endianness): New function, with prototype.
3035 (sim_open): Call set_endianness.
3036 (sim_info): Use simBE instead of BigEndianMem.
3037 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3038 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3039 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3040 ifdefs, keeping the prototype declaration.
3041 (swap_word): Rewrite correctly.
3042 (ColdReset): Delete references to CONFIG. Delete endianness related
3043 code; moved to set_endianness.
3044
3045Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3046
3047 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3048 * interp.c (CHECKHILO): Define away.
3049 (simSIGINT): New macro.
3050 (membank_size): Increase from 1MB to 2MB.
3051 (control_c): New function.
3052 (sim_resume): Rename parameter signal to signal_number. Add local
3053 variable prev. Call signal before and after simulate.
3054 (sim_stop_reason): Add simSIGINT support.
3055 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3056 functions always.
3057 (sim_warning): Delete call to SignalException. Do call printf_filtered
3058 if logfh is NULL.
3059 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3060 a call to sim_warning.
3061
3062Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3063
3064 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3065 16 bit instructions.
3066
3067Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3068
3069 Add support for mips16 (16 bit MIPS implementation):
3070 * gencode.c (inst_type): Add mips16 instruction encoding types.
3071 (GETDATASIZEINSN): Define.
3072 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3073 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3074 mtlo.
3075 (MIPS16_DECODE): New table, for mips16 instructions.
3076 (bitmap_val): New static function.
3077 (struct mips16_op): Define.
3078 (mips16_op_table): New table, for mips16 operands.
3079 (build_mips16_operands): New static function.
3080 (process_instructions): If PC is odd, decode a mips16
3081 instruction. Break out instruction handling into new
3082 build_instruction function.
3083 (build_instruction): New static function, broken out of
3084 process_instructions. Check modifiers rather than flags for SHIFT
3085 bit count and m[ft]{hi,lo} direction.
3086 (usage): Pass program name to fprintf.
3087 (main): Remove unused variable this_option_optind. Change
3088 ``*loptarg++'' to ``loptarg++''.
3089 (my_strtoul): Parenthesize && within ||.
3090 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3091 (simulate): If PC is odd, fetch a 16 bit instruction, and
3092 increment PC by 2 rather than 4.
3093 * configure.in: Add case for mips16*-*-*.
3094 * configure: Rebuild.
3095
3096Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3097
3098 * interp.c: Allow -t to enable tracing in standalone simulator.
3099 Fix garbage output in trace file and error messages.
3100
3101Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3102
3103 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3104 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3105 * configure.in: Simplify using macros in ../common/aclocal.m4.
3106 * configure: Regenerated.
3107 * tconfig.in: New file.
3108
3109Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3110
3111 * interp.c: Fix bugs in 64-bit port.
3112 Use ansi function declarations for msvc compiler.
3113 Initialize and test file pointer in trace code.
3114 Prevent duplicate definition of LAST_EMED_REGNUM.
3115
3116Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3117
3118 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3119
3120Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3121
3122 * interp.c (SignalException): Check for explicit terminating
3123 breakpoint value.
3124 * gencode.c: Pass instruction value through SignalException()
3125 calls for Trap, Breakpoint and Syscall.
3126
3127Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3128
3129 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3130 only used on those hosts that provide it.
3131 * configure.in: Add sqrt() to list of functions to be checked for.
3132 * config.in: Re-generated.
3133 * configure: Re-generated.
3134
3135Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3136
3137 * gencode.c (process_instructions): Call build_endian_shift when
3138 expanding STORE RIGHT, to fix swr.
3139 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3140 clear the high bits.
3141 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3142 Fix float to int conversions to produce signed values.
3143
3144Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3145
3146 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3147 (process_instructions): Correct handling of nor instruction.
3148 Correct shift count for 32 bit shift instructions. Correct sign
3149 extension for arithmetic shifts to not shift the number of bits in
3150 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3151 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3152 Fix madd.
3153 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3154 It's OK to have a mult follow a mult. What's not OK is to have a
3155 mult follow an mfhi.
3156 (Convert): Comment out incorrect rounding code.
3157
3158Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3159
3160 * interp.c (sim_monitor): Improved monitor printf
3161 simulation. Tidied up simulator warnings, and added "--log" option
3162 for directing warning message output.
3163 * gencode.c: Use sim_warning() rather than WARNING macro.
3164
3165Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3166
3167 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3168 getopt1.o, rather than on gencode.c. Link objects together.
3169 Don't link against -liberty.
3170 (gencode.o, getopt.o, getopt1.o): New targets.
3171 * gencode.c: Include <ctype.h> and "ansidecl.h".
3172 (AND): Undefine after including "ansidecl.h".
3173 (ULONG_MAX): Define if not defined.
3174 (OP_*): Don't define macros; now defined in opcode/mips.h.
3175 (main): Call my_strtoul rather than strtoul.
3176 (my_strtoul): New static function.
3177
3178Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3179
3180 * gencode.c (process_instructions): Generate word64 and uword64
3181 instead of `long long' and `unsigned long long' data types.
3182 * interp.c: #include sysdep.h to get signals, and define default
3183 for SIGBUS.
3184 * (Convert): Work around for Visual-C++ compiler bug with type
3185 conversion.
3186 * support.h: Make things compile under Visual-C++ by using
3187 __int64 instead of `long long'. Change many refs to long long
3188 into word64/uword64 typedefs.
3189
3190Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3191
3192 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3193 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3194 (docdir): Removed.
3195 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3196 (AC_PROG_INSTALL): Added.
3197 (AC_PROG_CC): Moved to before configure.host call.
3198 * configure: Rebuilt.
3199
3200Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3201
3202 * configure.in: Define @SIMCONF@ depending on mips target.
3203 * configure: Rebuild.
3204 * Makefile.in (run): Add @SIMCONF@ to control simulator
3205 construction.
3206 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3207 * interp.c: Remove some debugging, provide more detailed error
3208 messages, update memory accesses to use LOADDRMASK.
3209
3210Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3211
3212 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3213 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3214 stamp-h.
3215 * configure: Rebuild.
3216 * config.in: New file, generated by autoheader.
3217 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3218 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3219 HAVE_ANINT and HAVE_AINT, as appropriate.
3220 * Makefile.in (run): Use @LIBS@ rather than -lm.
3221 (interp.o): Depend upon config.h.
3222 (Makefile): Just rebuild Makefile.
3223 (clean): Remove stamp-h.
3224 (mostlyclean): Make the same as clean, not as distclean.
3225 (config.h, stamp-h): New targets.
3226
3227Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3228
3229 * interp.c (ColdReset): Fix boolean test. Make all simulator
3230 globals static.
3231
3232Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3233
3234 * interp.c (xfer_direct_word, xfer_direct_long,
3235 swap_direct_word, swap_direct_long, xfer_big_word,
3236 xfer_big_long, xfer_little_word, xfer_little_long,
3237 swap_word,swap_long): Added.
3238 * interp.c (ColdReset): Provide function indirection to
3239 host<->simulated_target transfer routines.
3240 * interp.c (sim_store_register, sim_fetch_register): Updated to
3241 make use of indirected transfer routines.
3242
3243Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3244
3245 * gencode.c (process_instructions): Ensure FP ABS instruction
3246 recognised.
3247 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3248 system call support.
3249
3250Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3251
3252 * interp.c (sim_do_command): Complain if callback structure not
3253 initialised.
3254
3255Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3256
3257 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3258 support for Sun hosts.
3259 * Makefile.in (gencode): Ensure the host compiler and libraries
3260 used for cross-hosted build.
3261
3262Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3263
3264 * interp.c, gencode.c: Some more (TODO) tidying.
3265
3266Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3267
3268 * gencode.c, interp.c: Replaced explicit long long references with
3269 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3270 * support.h (SET64LO, SET64HI): Macros added.
3271
3272Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3273
3274 * configure: Regenerate with autoconf 2.7.
3275
3276Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3277
3278 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3279 * support.h: Remove superfluous "1" from #if.
3280 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3281
3282Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3283
3284 * interp.c (StoreFPR): Control UndefinedResult() call on
3285 WARN_RESULT manifest.
3286
3287Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3288
3289 * gencode.c: Tidied instruction decoding, and added FP instruction
3290 support.
3291
3292 * interp.c: Added dineroIII, and BSD profiling support. Also
3293 run-time FP handling.
3294
3295Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3296
3297 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3298 gencode.c, interp.c, support.h: created.