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sim: change to 64bit time keeping to avoid 32bit overflows
[thirdparty/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
5558e7e6
MF
12010-04-14 Mike Frysinger <vapier@gentoo.org>
2
3 * interp.c (sim_write): Add const to buffer arg.
4
35aafff4
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52010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
6
7 * interp.c: Don't include sysdep.h
8
3725885a
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92010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10
11 * configure: Regenerate.
12
d6416cdc
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132009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14
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15 * config.in: Regenerate.
16 * configure: Likewise.
17
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18 * configure: Regenerate.
19
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202008-07-11 Hans-Peter Nilsson <hp@axis.com>
21
22 * configure: Regenerate to track ../common/common.m4 changes.
23 * config.in: Ditto.
24
6efef468
JM
252008-06-06 Vladimir Prus <vladimir@codesourcery.com>
26 Daniel Jacobowitz <dan@codesourcery.com>
27 Joseph Myers <joseph@codesourcery.com>
28
29 * configure: Regenerate.
30
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312007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
32
33 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
34 that unconditionally allows fmt_ps.
35 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
36 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
37 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
38 filter from 64,f to 32,f.
39 (PREFX): Change filter from 64 to 32.
40 (LDXC1, LUXC1): Provide separate mips32r2 implementations
41 that use do_load_double instead of do_load. Make both LUXC1
42 versions unpredictable if SizeFGR () != 64.
43 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
44 instead of do_store. Remove unused variable. Make both SUXC1
45 versions unpredictable if SizeFGR () != 64.
46
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472007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
48
49 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
50 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
51 shifts for that case.
52
2525df03
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532007-09-04 Nick Clifton <nickc@redhat.com>
54
55 * interp.c (options enum): Add OPTION_INFO_MEMORY.
56 (display_mem_info): New static variable.
57 (mips_option_handler): Handle OPTION_INFO_MEMORY.
58 (mips_options): Add info-memory and memory-info.
59 (sim_open): After processing the command line and board
60 specification, check display_mem_info. If it is set then
61 call the real handler for the --memory-info command line
62 switch.
63
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642007-08-24 Joel Brobecker <brobecker@adacore.com>
65
66 * configure.ac: Change license of multi-run.c to GPL version 3.
67 * configure: Regenerate.
68
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692007-06-28 Richard Sandiford <richard@codesourcery.com>
70
71 * configure.ac, configure: Revert last patch.
72
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732007-06-26 Richard Sandiford <richard@codesourcery.com>
74
75 * configure.ac (sim_mipsisa3264_configs): New variable.
76 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
77 every configuration support all four targets, using the triplet to
78 determine the default.
79 * configure: Regenerate.
80
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812007-06-25 Richard Sandiford <richard@codesourcery.com>
82
0a7692b2 83 * Makefile.in (m16run.o): New rule.
efdcccc9 84
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852007-05-15 Thiemo Seufer <ths@mips.com>
86
87 * mips3264r2.igen (DSHD): Fix compile warning.
88
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892007-05-14 Thiemo Seufer <ths@mips.com>
90
91 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
92 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
93 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
94 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
95 for mips32r2.
96
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972007-03-01 Thiemo Seufer <ths@mips.com>
98
99 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
100 and mips64.
101
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1022007-02-20 Thiemo Seufer <ths@mips.com>
103
104 * dsp.igen: Update copyright notice.
105 * dsp2.igen: Fix copyright notice.
106
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1072007-02-20 Thiemo Seufer <ths@mips.com>
108 Chao-Ying Fu <fu@mips.com>
109
110 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
111 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
112 Add dsp2 to sim_igen_machine.
113 * configure: Regenerate.
114 * dsp.igen (do_ph_op): Add MUL support when op = 2.
115 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
116 (mulq_rs.ph): Use do_ph_mulq.
117 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
118 * mips.igen: Add dsp2 model and include dsp2.igen.
119 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
120 for *mips32r2, *mips64r2, *dsp.
121 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
122 for *mips32r2, *mips64r2, *dsp2.
123 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
124
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1252007-02-19 Thiemo Seufer <ths@mips.com>
126 Nigel Stephens <nigel@mips.com>
127
128 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
129 jumps with hazard barrier.
130
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1312007-02-19 Thiemo Seufer <ths@mips.com>
132 Nigel Stephens <nigel@mips.com>
133
134 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
135 after each call to sim_io_write.
136
b1004875 1372007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 138 Nigel Stephens <nigel@mips.com>
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139
140 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
141 supported by this simulator.
07802d98
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142 (decode_coproc): Recognise additional CP0 Config registers
143 correctly.
144
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1452007-02-19 Thiemo Seufer <ths@mips.com>
146 Nigel Stephens <nigel@mips.com>
147 David Ung <davidu@mips.com>
148
149 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
150 uninterpreted formats. If fmt is one of the uninterpreted types
151 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
152 fmt_word, and fmt_uninterpreted_64 like fmt_long.
153 (store_fpr): When writing an invalid odd register, set the
154 matching even register to fmt_unknown, not the following register.
155 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
156 the the memory window at offset 0 set by --memory-size command
157 line option.
158 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
159 point register.
160 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
161 register.
162 (sim_monitor): When returning the memory size to the MIPS
163 application, use the value in STATE_MEM_SIZE, not an arbitrary
164 hardcoded value.
165 (cop_lw): Don' mess around with FPR_STATE, just pass
166 fmt_uninterpreted_32 to StoreFPR.
167 (cop_sw): Similarly.
168 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
169 (cop_sd): Similarly.
170 * mips.igen (not_word_value): Single version for mips32, mips64
171 and mips16.
172
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1732007-02-19 Thiemo Seufer <ths@mips.com>
174 Nigel Stephens <nigel@mips.com>
175
176 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
177 MBytes.
178
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1792007-02-17 Thiemo Seufer <ths@mips.com>
180
181 * configure.ac (mips*-sde-elf*): Move in front of generic machine
182 configuration.
183 * configure: Regenerate.
184
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1852007-02-17 Thiemo Seufer <ths@mips.com>
186
187 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
188 Add mdmx to sim_igen_machine.
189 (mipsisa64*-*-*): Likewise. Remove dsp.
190 (mipsisa32*-*-*): Remove dsp.
191 * configure: Regenerate.
192
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1932007-02-13 Thiemo Seufer <ths@mips.com>
194
195 * configure.ac: Add mips*-sde-elf* target.
196 * configure: Regenerate.
197
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1982006-12-21 Hans-Peter Nilsson <hp@axis.com>
199
200 * acconfig.h: Remove.
201 * config.in, configure: Regenerate.
202
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2032006-11-07 Thiemo Seufer <ths@mips.com>
204
205 * dsp.igen (do_w_op): Fix compiler warning.
206
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2072006-08-29 Thiemo Seufer <ths@mips.com>
208 David Ung <davidu@mips.com>
209
210 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
211 sim_igen_machine.
212 * configure: Regenerate.
213 * mips.igen (model): Add smartmips.
214 (MADDU): Increment ACX if carry.
215 (do_mult): Clear ACX.
216 (ROR,RORV): Add smartmips.
217 (include): Include smartmips.igen.
218 * sim-main.h (ACX): Set to REGISTERS[89].
219 * smartmips.igen: New file.
220
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2212006-08-29 Thiemo Seufer <ths@mips.com>
222 David Ung <davidu@mips.com>
223
224 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
225 mips3264r2.igen. Add missing dependency rules.
226 * m16e.igen: Support for mips16e save/restore instructions.
227
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2282006-06-13 Richard Earnshaw <rearnsha@arm.com>
229
230 * configure: Regenerated.
231
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2322006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
233
234 * configure: Regenerated.
235
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2362006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
237
238 * configure: Regenerated.
239
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2402006-05-15 Chao-ying Fu <fu@mips.com>
241
242 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
243
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2442006-04-18 Nick Clifton <nickc@redhat.com>
245
246 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
247 statement.
248
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2492006-03-29 Hans-Peter Nilsson <hp@axis.com>
250
251 * configure: Regenerate.
252
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2532005-12-14 Chao-ying Fu <fu@mips.com>
254
255 * Makefile.in (SIM_OBJS): Add dsp.o.
256 (dsp.o): New dependency.
257 (IGEN_INCLUDE): Add dsp.igen.
258 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
259 mipsisa64*-*-*): Add dsp to sim_igen_machine.
260 * configure: Regenerate.
261 * mips.igen: Add dsp model and include dsp.igen.
262 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
263 because these instructions are extended in DSP ASE.
264 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
265 adding 6 DSP accumulator registers and 1 DSP control register.
266 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
267 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
268 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
269 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
270 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
271 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
272 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
273 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
274 DSPCR_CCOND_SMASK): New define.
275 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
276 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
277
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2782005-07-08 Ian Lance Taylor <ian@airs.com>
279
280 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
281
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2822005-06-16 David Ung <davidu@mips.com>
283 Nigel Stephens <nigel@mips.com>
284
285 * mips.igen: New mips16e model and include m16e.igen.
286 (check_u64): Add mips16e tag.
287 * m16e.igen: New file for MIPS16e instructions.
288 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
289 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
290 models.
291 * configure: Regenerate.
292
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2932005-05-26 David Ung <davidu@mips.com>
294
295 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
296 tags to all instructions which are applicable to the new ISAs.
297 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
298 vr.igen.
299 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
300 instructions.
301 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
302 to mips.igen.
303 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
304 * configure: Regenerate.
305
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3062005-03-23 Mark Kettenis <kettenis@gnu.org>
307
308 * configure: Regenerate.
309
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3102005-01-14 Andrew Cagney <cagney@gnu.org>
311
312 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
313 explicit call to AC_CONFIG_HEADER.
314 * configure: Regenerate.
315
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3162005-01-12 Andrew Cagney <cagney@gnu.org>
317
318 * configure.ac: Update to use ../common/common.m4.
319 * configure: Re-generate.
320
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3212005-01-11 Andrew Cagney <cagney@localhost.localdomain>
322
323 * configure: Regenerated to track ../common/aclocal.m4 changes.
324
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3252005-01-07 Andrew Cagney <cagney@gnu.org>
326
327 * configure.ac: Rename configure.in, require autoconf 2.59.
328 * configure: Re-generate.
329
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3302004-12-08 Hans-Peter Nilsson <hp@axis.com>
331
332 * configure: Regenerate for ../common/aclocal.m4 update.
333
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3342004-09-24 Monika Chaddha <monika@acmet.com>
335
336 Committed by Andrew Cagney.
337 * m16.igen (CMP, CMPI): Fix assembler.
338
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3392004-08-18 Chris Demetriou <cgd@broadcom.com>
340
341 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
342 * configure: Regenerate.
343
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3442004-06-25 Chris Demetriou <cgd@broadcom.com>
345
346 * configure.in (sim_m16_machine): Include mipsIII.
347 * configure: Regenerate.
348
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3492004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
350
351 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
352 from COP0_BADVADDR.
353 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
354
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3552004-04-10 Chris Demetriou <cgd@broadcom.com>
356
357 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
358
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3592004-04-09 Chris Demetriou <cgd@broadcom.com>
360
361 * mips.igen (check_fmt): Remove.
362 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
363 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
364 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
365 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
366 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
367 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
368 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
369 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
370 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
371 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
372
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3732004-04-09 Chris Demetriou <cgd@broadcom.com>
374
375 * sb1.igen (check_sbx): New function.
376 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
377
11d66e66 3782004-03-29 Chris Demetriou <cgd@broadcom.com>
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379 Richard Sandiford <rsandifo@redhat.com>
380
381 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
382 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
383 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
384 separate implementations for mipsIV and mipsV. Use new macros to
385 determine whether the restrictions apply.
386
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3872004-01-19 Chris Demetriou <cgd@broadcom.com>
388
389 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
390 (check_mult_hilo): Improve comments.
391 (check_div_hilo): Likewise. Also, fork off a new version
392 to handle mips32/mips64 (since there are no hazards to check
393 in MIPS32/MIPS64).
394
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3952003-06-17 Richard Sandiford <rsandifo@redhat.com>
396
397 * mips.igen (do_dmultx): Fix check for negative operands.
398
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3992003-05-16 Ian Lance Taylor <ian@airs.com>
400
401 * Makefile.in (SHELL): Make sure this is defined.
402 (various): Use $(SHELL) whenever we invoke move-if-change.
403
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4042003-05-03 Chris Demetriou <cgd@broadcom.com>
405
406 * cp1.c: Tweak attribution slightly.
407 * cp1.h: Likewise.
408 * mdmx.c: Likewise.
409 * mdmx.igen: Likewise.
410 * mips3d.igen: Likewise.
411 * sb1.igen: Likewise.
412
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4132003-04-15 Richard Sandiford <rsandifo@redhat.com>
414
415 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
416 unsigned operands.
417
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4182003-02-27 Andrew Cagney <cagney@redhat.com>
419
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420 * interp.c (sim_open): Rename _bfd to bfd.
421 (sim_create_inferior): Ditto.
6b4a8935 422
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4232003-01-14 Chris Demetriou <cgd@broadcom.com>
424
425 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
426
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4272003-01-14 Chris Demetriou <cgd@broadcom.com>
428
429 * mips.igen (EI, DI): Remove.
430
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4312003-01-05 Richard Sandiford <rsandifo@redhat.com>
432
433 * Makefile.in (tmp-run-multi): Fix mips16 filter.
434
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4352003-01-04 Richard Sandiford <rsandifo@redhat.com>
436 Andrew Cagney <ac131313@redhat.com>
437 Gavin Romig-Koch <gavin@redhat.com>
438 Graydon Hoare <graydon@redhat.com>
439 Aldy Hernandez <aldyh@redhat.com>
440 Dave Brolley <brolley@redhat.com>
441 Chris Demetriou <cgd@broadcom.com>
442
443 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
444 (sim_mach_default): New variable.
445 (mips64vr-*-*, mips64vrel-*-*): New configurations.
446 Add a new simulator generator, MULTI.
447 * configure: Regenerate.
448 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
449 (multi-run.o): New dependency.
450 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
451 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
452 (tmp-multi): Combine them.
453 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
454 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
455 (distclean-extra): New rule.
456 * sim-main.h: Include bfd.h.
457 (MIPS_MACH): New macro.
458 * mips.igen (vr4120, vr5400, vr5500): New models.
459 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
460 * vr.igen: Replace with new version.
461
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4622003-01-04 Chris Demetriou <cgd@broadcom.com>
463
464 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
465 * configure: Regenerate.
466
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4672002-12-31 Chris Demetriou <cgd@broadcom.com>
468
469 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
470 * mips.igen: Remove all invocations of check_branch_bug and
471 mark_branch_bug.
472
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4732002-12-16 Chris Demetriou <cgd@broadcom.com>
474
475 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
476
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4772002-07-30 Chris Demetriou <cgd@broadcom.com>
478
479 * mips.igen (do_load_double, do_store_double): New functions.
480 (LDC1, SDC1): Rename to...
481 (LDC1b, SDC1b): respectively.
482 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
483
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4842002-07-29 Michael Snyder <msnyder@redhat.com>
485
486 * cp1.c (fp_recip2): Modify initialization expression so that
487 GCC will recognize it as constant.
488
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4892002-06-18 Chris Demetriou <cgd@broadcom.com>
490
491 * mdmx.c (SD_): Delete.
492 (Unpredictable): Re-define, for now, to directly invoke
493 unpredictable_action().
494 (mdmx_acc_op): Fix error in .ob immediate handling.
495
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4962002-06-18 Andrew Cagney <cagney@redhat.com>
497
498 * interp.c (sim_firmware_command): Initialize `address'.
499
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5002002-06-16 Andrew Cagney <ac131313@redhat.com>
501
502 * configure: Regenerated to track ../common/aclocal.m4 changes.
503
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5042002-06-14 Chris Demetriou <cgd@broadcom.com>
505 Ed Satterthwaite <ehs@broadcom.com>
506
507 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
508 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
509 * mips.igen: Include mips3d.igen.
510 (mips3d): New model name for MIPS-3D ASE instructions.
511 (CVT.W.fmt): Don't use this instruction for word (source) format
512 instructions.
513 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
514 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
515 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
516 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
517 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
518 (RSquareRoot1, RSquareRoot2): New macros.
519 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
520 (fp_rsqrt2): New functions.
521 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
522 * configure: Regenerate.
523
3a2b820e 5242002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 525 Ed Satterthwaite <ehs@broadcom.com>
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526
527 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
528 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
529 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
530 (convert): Note that this function is not used for paired-single
531 format conversions.
532 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
533 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
534 (check_fmt_p): Enable paired-single support.
535 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
536 (PUU.PS): New instructions.
537 (CVT.S.fmt): Don't use this instruction for paired-single format
538 destinations.
539 * sim-main.h (FP_formats): New value 'fmt_ps.'
540 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
541 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
542
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5432002-06-12 Chris Demetriou <cgd@broadcom.com>
544
545 * mips.igen: Fix formatting of function calls in
546 many FP operations.
547
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5482002-06-12 Chris Demetriou <cgd@broadcom.com>
549
550 * mips.igen (MOVN, MOVZ): Trace result.
551 (TNEI): Print "tnei" as the opcode name in traces.
552 (CEIL.W): Add disassembly string for traces.
553 (RSQRT.fmt): Make location of disassembly string consistent
554 with other instructions.
555
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5562002-06-12 Chris Demetriou <cgd@broadcom.com>
557
558 * mips.igen (X): Delete unused function.
559
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5602002-06-08 Andrew Cagney <cagney@redhat.com>
561
562 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
563
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5642002-06-07 Chris Demetriou <cgd@broadcom.com>
565 Ed Satterthwaite <ehs@broadcom.com>
566
567 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
568 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
569 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
570 (fp_nmsub): New prototypes.
571 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
572 (NegMultiplySub): New defines.
573 * mips.igen (RSQRT.fmt): Use RSquareRoot().
574 (MADD.D, MADD.S): Replace with...
575 (MADD.fmt): New instruction.
576 (MSUB.D, MSUB.S): Replace with...
577 (MSUB.fmt): New instruction.
578 (NMADD.D, NMADD.S): Replace with...
579 (NMADD.fmt): New instruction.
580 (NMSUB.D, MSUB.S): Replace with...
581 (NMSUB.fmt): New instruction.
582
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5832002-06-07 Chris Demetriou <cgd@broadcom.com>
584 Ed Satterthwaite <ehs@broadcom.com>
585
586 * cp1.c: Fix more comment spelling and formatting.
587 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
588 (denorm_mode): New function.
589 (fpu_unary, fpu_binary): Round results after operation, collect
590 status from rounding operations, and update the FCSR.
591 (convert): Collect status from integer conversions and rounding
592 operations, and update the FCSR. Adjust NaN values that result
593 from conversions. Convert to use sim_io_eprintf rather than
594 fprintf, and remove some debugging code.
595 * cp1.h (fenr_FS): New define.
596
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5972002-06-07 Chris Demetriou <cgd@broadcom.com>
598
599 * cp1.c (convert): Remove unusable debugging code, and move MIPS
600 rounding mode to sim FP rounding mode flag conversion code into...
601 (rounding_mode): New function.
602
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6032002-06-07 Chris Demetriou <cgd@broadcom.com>
604
605 * cp1.c: Clean up formatting of a few comments.
606 (value_fpr): Reformat switch statement.
607
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6082002-06-06 Chris Demetriou <cgd@broadcom.com>
609 Ed Satterthwaite <ehs@broadcom.com>
610
611 * cp1.h: New file.
612 * sim-main.h: Include cp1.h.
613 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
614 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
615 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
616 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
617 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
618 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
619 * cp1.c: Don't include sim-fpu.h; already included by
620 sim-main.h. Clean up formatting of some comments.
621 (NaN, Equal, Less): Remove.
622 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
623 (fp_cmp): New functions.
624 * mips.igen (do_c_cond_fmt): Remove.
625 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
626 Compare. Add result tracing.
627 (CxC1): Remove, replace with...
628 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
629 (DMxC1): Remove, replace with...
630 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
631 (MxC1): Remove, replace with...
632 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
633
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6342002-06-04 Chris Demetriou <cgd@broadcom.com>
635
636 * sim-main.h (FGRIDX): Remove, replace all uses with...
637 (FGR_BASE): New macro.
638 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
639 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
640 (NR_FGR, FGR): Likewise.
641 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
642 * mips.igen: Likewise.
643
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6442002-06-04 Chris Demetriou <cgd@broadcom.com>
645
646 * cp1.c: Add an FSF Copyright notice to this file.
647
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6482002-06-04 Chris Demetriou <cgd@broadcom.com>
649 Ed Satterthwaite <ehs@broadcom.com>
650
651 * cp1.c (Infinity): Remove.
652 * sim-main.h (Infinity): Likewise.
653
654 * cp1.c (fp_unary, fp_binary): New functions.
655 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
656 (fp_sqrt): New functions, implemented in terms of the above.
657 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
658 (Recip, SquareRoot): Remove (replaced by functions above).
659 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
660 (fp_recip, fp_sqrt): New prototypes.
661 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
662 (Recip, SquareRoot): Replace prototypes with #defines which
663 invoke the functions above.
664
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6652002-06-03 Chris Demetriou <cgd@broadcom.com>
666
667 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
668 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
669 file, remove PARAMS from prototypes.
670 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
671 simulator state arguments.
672 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
673 pass simulator state arguments.
674 * cp1.c (SD): Redefine as CPU_STATE(cpu).
675 (store_fpr, convert): Remove 'sd' argument.
676 (value_fpr): Likewise. Convert to use 'SD' instead.
677
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6782002-06-03 Chris Demetriou <cgd@broadcom.com>
679
680 * cp1.c (Min, Max): Remove #if 0'd functions.
681 * sim-main.h (Min, Max): Remove.
682
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6832002-06-03 Chris Demetriou <cgd@broadcom.com>
684
685 * cp1.c: fix formatting of switch case and default labels.
686 * interp.c: Likewise.
687 * sim-main.c: Likewise.
688
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6892002-06-03 Chris Demetriou <cgd@broadcom.com>
690
691 * cp1.c: Clean up comments which describe FP formats.
692 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
693
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6942002-06-03 Chris Demetriou <cgd@broadcom.com>
695 Ed Satterthwaite <ehs@broadcom.com>
696
697 * configure.in (mipsisa64sb1*-*-*): New target for supporting
698 Broadcom SiByte SB-1 processor configurations.
699 * configure: Regenerate.
700 * sb1.igen: New file.
701 * mips.igen: Include sb1.igen.
702 (sb1): New model.
703 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
704 * mdmx.igen: Add "sb1" model to all appropriate functions and
705 instructions.
706 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
707 (ob_func, ob_acc): Reference the above.
708 (qh_acc): Adjust to keep the same size as ob_acc.
709 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
710 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
711
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7122002-06-03 Chris Demetriou <cgd@broadcom.com>
713
714 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
715
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7162002-06-02 Chris Demetriou <cgd@broadcom.com>
717 Ed Satterthwaite <ehs@broadcom.com>
718
719 * mips.igen (mdmx): New (pseudo-)model.
720 * mdmx.c, mdmx.igen: New files.
721 * Makefile.in (SIM_OBJS): Add mdmx.o.
722 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
723 New typedefs.
724 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
725 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
726 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
727 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
728 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
729 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
730 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
731 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
732 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
733 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
734 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
735 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
736 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
737 (qh_fmtsel): New macros.
738 (_sim_cpu): New member "acc".
739 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
740 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
741
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7422002-05-01 Chris Demetriou <cgd@broadcom.com>
743
744 * interp.c: Use 'deprecated' rather than 'depreciated.'
745 * sim-main.h: Likewise.
746
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7472002-05-01 Chris Demetriou <cgd@broadcom.com>
748
749 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
750 which wouldn't compile anyway.
751 * sim-main.h (unpredictable_action): New function prototype.
752 (Unpredictable): Define to call igen function unpredictable().
753 (NotWordValue): New macro to call igen function not_word_value().
754 (UndefinedResult): Remove.
755 * interp.c (undefined_result): Remove.
756 (unpredictable_action): New function.
757 * mips.igen (not_word_value, unpredictable): New functions.
758 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
759 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
760 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
761 NotWordValue() to check for unpredictable inputs, then
762 Unpredictable() to handle them.
763
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7642002-02-24 Chris Demetriou <cgd@broadcom.com>
765
766 * mips.igen: Fix formatting of calls to Unpredictable().
767
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7682002-04-20 Andrew Cagney <ac131313@redhat.com>
769
770 * interp.c (sim_open): Revert previous change.
771
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7722002-04-18 Alexandre Oliva <aoliva@redhat.com>
773
774 * interp.c (sim_open): Disable chunk of code that wrote code in
775 vector table entries.
776
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7772002-03-19 Chris Demetriou <cgd@broadcom.com>
778
779 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
780 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
781 unused definitions.
782
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7832002-03-19 Chris Demetriou <cgd@broadcom.com>
784
785 * cp1.c: Fix many formatting issues.
786
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7872002-03-19 Chris G. Demetriou <cgd@broadcom.com>
788
789 * cp1.c (fpu_format_name): New function to replace...
790 (DOFMT): This. Delete, and update all callers.
791 (fpu_rounding_mode_name): New function to replace...
792 (RMMODE): This. Delete, and update all callers.
793
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7942002-03-19 Chris G. Demetriou <cgd@broadcom.com>
795
796 * interp.c: Move FPU support routines from here to...
797 * cp1.c: Here. New file.
798 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
799 (cp1.o): New target.
800
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8012002-03-12 Chris Demetriou <cgd@broadcom.com>
802
803 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
804 * mips.igen (mips32, mips64): New models, add to all instructions
805 and functions as appropriate.
806 (loadstore_ea, check_u64): New variant for model mips64.
807 (check_fmt_p): New variant for models mipsV and mips64, remove
808 mipsV model marking fro other variant.
809 (SLL) Rename to...
810 (SLLa) this.
811 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
812 for mips32 and mips64.
813 (DCLO, DCLZ): New instructions for mips64.
814
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8152002-03-07 Chris Demetriou <cgd@broadcom.com>
816
817 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
818 immediate or code as a hex value with the "%#lx" format.
819 (ANDI): Likewise, and fix printed instruction name.
820
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8212002-03-05 Chris Demetriou <cgd@broadcom.com>
822
823 * sim-main.h (UndefinedResult, Unpredictable): New macros
824 which currently do nothing.
825
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8262002-03-05 Chris Demetriou <cgd@broadcom.com>
827
828 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
829 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
830 (status_CU3): New definitions.
831
832 * sim-main.h (ExceptionCause): Add new values for MIPS32
833 and MIPS64: MDMX, MCheck, CacheErr. Update comments
834 for DebugBreakPoint and NMIReset to note their status in
835 MIPS32 and MIPS64.
836 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
837 (SignalExceptionCacheErr): New exception macros.
838
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8392002-03-05 Chris Demetriou <cgd@broadcom.com>
840
841 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
842 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
843 is always enabled.
844 (SignalExceptionCoProcessorUnusable): Take as argument the
845 unusable coprocessor number.
846
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8472002-03-05 Chris Demetriou <cgd@broadcom.com>
848
849 * mips.igen: Fix formatting of all SignalException calls.
850
97a88e93 8512002-03-05 Chris Demetriou <cgd@broadcom.com>
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852
853 * sim-main.h (SIGNEXTEND): Remove.
854
97a88e93 8552002-03-04 Chris Demetriou <cgd@broadcom.com>
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856
857 * mips.igen: Remove gencode comment from top of file, fix
858 spelling in another comment.
859
97a88e93 8602002-03-04 Chris Demetriou <cgd@broadcom.com>
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861
862 * mips.igen (check_fmt, check_fmt_p): New functions to check
863 whether specific floating point formats are usable.
864 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
865 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
866 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
867 Use the new functions.
868 (do_c_cond_fmt): Remove format checks...
869 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
870
97a88e93 8712002-03-03 Chris Demetriou <cgd@broadcom.com>
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872
873 * mips.igen: Fix formatting of check_fpu calls.
874
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8752002-03-03 Chris Demetriou <cgd@broadcom.com>
876
877 * mips.igen (FLOOR.L.fmt): Store correct destination register.
878
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8792002-03-03 Chris Demetriou <cgd@broadcom.com>
880
881 * mips.igen: Remove whitespace at end of lines.
882
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8832002-03-02 Chris Demetriou <cgd@broadcom.com>
884
885 * mips.igen (loadstore_ea): New function to do effective
886 address calculations.
887 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
888 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
889 CACHE): Use loadstore_ea to do effective address computations.
890
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8912002-03-02 Chris Demetriou <cgd@broadcom.com>
892
893 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
894 * mips.igen (LL, CxC1, MxC1): Likewise.
895
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8962002-03-02 Chris Demetriou <cgd@broadcom.com>
897
898 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
899 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
900 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
901 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
902 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
903 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
904 Don't split opcode fields by hand, use the opcode field values
905 provided by igen.
906
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9072002-03-01 Chris Demetriou <cgd@broadcom.com>
908
909 * mips.igen (do_divu): Fix spacing.
910
911 * mips.igen (do_dsllv): Move to be right before DSLLV,
912 to match the rest of the do_<shift> functions.
913
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9142002-03-01 Chris Demetriou <cgd@broadcom.com>
915
916 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
917 DSRL32, do_dsrlv): Trace inputs and results.
918
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9192002-03-01 Chris Demetriou <cgd@broadcom.com>
920
921 * mips.igen (CACHE): Provide instruction-printing string.
922
923 * interp.c (signal_exception): Comment tokens after #endif.
924
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9252002-02-28 Chris Demetriou <cgd@broadcom.com>
926
927 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
928 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
929 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
930 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
931 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
932 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
933 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
934 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
935
bb22bd7d
CD
9362002-02-28 Chris Demetriou <cgd@broadcom.com>
937
938 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
939 instruction-printing string.
940 (LWU): Use '64' as the filter flag.
941
91a177cf
CD
9422002-02-28 Chris Demetriou <cgd@broadcom.com>
943
944 * mips.igen (SDXC1): Fix instruction-printing string.
945
387f484a
CD
9462002-02-28 Chris Demetriou <cgd@broadcom.com>
947
948 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
949 filter flags "32,f".
950
3d81f391
CD
9512002-02-27 Chris Demetriou <cgd@broadcom.com>
952
953 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
954 as the filter flag.
955
af5107af
CD
9562002-02-27 Chris Demetriou <cgd@broadcom.com>
957
958 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
959 add a comma) so that it more closely match the MIPS ISA
960 documentation opcode partitioning.
961 (PREF): Put useful names on opcode fields, and include
962 instruction-printing string.
963
ca971540
CD
9642002-02-27 Chris Demetriou <cgd@broadcom.com>
965
966 * mips.igen (check_u64): New function which in the future will
967 check whether 64-bit instructions are usable and signal an
968 exception if not. Currently a no-op.
969 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
970 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
971 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
972 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
973
974 * mips.igen (check_fpu): New function which in the future will
975 check whether FPU instructions are usable and signal an exception
976 if not. Currently a no-op.
977 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
978 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
979 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
980 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
981 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
982 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
983 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
984 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
985
1c47a468
CD
9862002-02-27 Chris Demetriou <cgd@broadcom.com>
987
988 * mips.igen (do_load_left, do_load_right): Move to be immediately
989 following do_load.
990 (do_store_left, do_store_right): Move to be immediately following
991 do_store.
992
603a98e7
CD
9932002-02-27 Chris Demetriou <cgd@broadcom.com>
994
995 * mips.igen (mipsV): New model name. Also, add it to
996 all instructions and functions where it is appropriate.
997
c5d00cc7
CD
9982002-02-18 Chris Demetriou <cgd@broadcom.com>
999
1000 * mips.igen: For all functions and instructions, list model
1001 names that support that instruction one per line.
1002
074e9cb8
CD
10032002-02-11 Chris Demetriou <cgd@broadcom.com>
1004
1005 * mips.igen: Add some additional comments about supported
1006 models, and about which instructions go where.
1007 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1008 order as is used in the rest of the file.
1009
9805e229
CD
10102002-02-11 Chris Demetriou <cgd@broadcom.com>
1011
1012 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1013 indicating that ALU32_END or ALU64_END are there to check
1014 for overflow.
1015 (DADD): Likewise, but also remove previous comment about
1016 overflow checking.
1017
f701dad2
CD
10182002-02-10 Chris Demetriou <cgd@broadcom.com>
1019
1020 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1021 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1022 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1023 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1024 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1025 fields (i.e., add and move commas) so that they more closely
1026 match the MIPS ISA documentation opcode partitioning.
1027
10282002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1029
1030 * mips.igen (ADDI): Print immediate value.
1031 (BREAK): Print code.
1032 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1033 (SLL): Print "nop" specially, and don't run the code
1034 that does the shift for the "nop" case.
1035
9e52972e
FF
10362001-11-17 Fred Fish <fnf@redhat.com>
1037
1038 * sim-main.h (float_operation): Move enum declaration outside
1039 of _sim_cpu struct declaration.
1040
c0efbca4
JB
10412001-04-12 Jim Blandy <jimb@redhat.com>
1042
1043 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1044 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1045 set of the FCSR.
1046 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1047 PENDING_FILL, and you can get the intended effect gracefully by
1048 calling PENDING_SCHED directly.
1049
fb891446
BE
10502001-02-23 Ben Elliston <bje@redhat.com>
1051
1052 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1053 already defined elsewhere.
1054
8030f857
BE
10552001-02-19 Ben Elliston <bje@redhat.com>
1056
1057 * sim-main.h (sim_monitor): Return an int.
1058 * interp.c (sim_monitor): Add return values.
1059 (signal_exception): Handle error conditions from sim_monitor.
1060
56b48a7a
CD
10612001-02-08 Ben Elliston <bje@redhat.com>
1062
1063 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1064 (store_memory): Likewise, pass cia to sim_core_write*.
1065
d3ee60d9
FCE
10662000-10-19 Frank Ch. Eigler <fche@redhat.com>
1067
1068 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1069 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1070
071da002
AC
1071Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1072
1073 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1074 * Makefile.in: Don't delete *.igen when cleaning directory.
1075
a28c02cd
AC
1076Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1077
1078 * m16.igen (break): Call SignalException not sim_engine_halt.
1079
80ee11fa
AC
1080Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1081
1082 From Jason Eckhardt:
1083 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1084
673388c0
AC
1085Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1086
1087 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1088
4c0deff4
NC
10892000-05-24 Michael Hayes <mhayes@cygnus.com>
1090
1091 * mips.igen (do_dmultx): Fix typo.
1092
eb2d80b4
AC
1093Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1094
1095 * configure: Regenerated to track ../common/aclocal.m4 changes.
1096
dd37a34b
AC
1097Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1098
1099 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1100
4c0deff4
NC
11012000-04-12 Frank Ch. Eigler <fche@redhat.com>
1102
1103 * sim-main.h (GPR_CLEAR): Define macro.
1104
e30db738
AC
1105Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1106
1107 * interp.c (decode_coproc): Output long using %lx and not %s.
1108
cb7450ea
FCE
11092000-03-21 Frank Ch. Eigler <fche@redhat.com>
1110
1111 * interp.c (sim_open): Sort & extend dummy memory regions for
1112 --board=jmr3904 for eCos.
1113
a3027dd7
FCE
11142000-03-02 Frank Ch. Eigler <fche@redhat.com>
1115
1116 * configure: Regenerated.
1117
1118Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1119
1120 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1121 calls, conditional on the simulator being in verbose mode.
1122
dfcd3bfb
JM
1123Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1124
1125 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1126 cache don't get ReservedInstruction traps.
1127
c2d11a7d
JM
11281999-11-29 Mark Salter <msalter@cygnus.com>
1129
1130 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1131 to clear status bits in sdisr register. This is how the hardware works.
1132
1133 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1134 being used by cygmon.
1135
4ce44c66
JM
11361999-11-11 Andrew Haley <aph@cygnus.com>
1137
1138 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1139 instructions.
1140
cff3e48b
JM
1141Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1142
1143 * mips.igen (MULT): Correct previous mis-applied patch.
1144
d4f3574e
SS
1145Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1146
1147 * mips.igen (delayslot32): Handle sequence like
1148 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1149 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1150 (MULT): Actually pass the third register...
1151
11521999-09-03 Mark Salter <msalter@cygnus.com>
1153
1154 * interp.c (sim_open): Added more memory aliases for additional
1155 hardware being touched by cygmon on jmr3904 board.
1156
1157Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1158
1159 * configure: Regenerated to track ../common/aclocal.m4 changes.
1160
a0b3c4fd
JM
1161Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1162
1163 * interp.c (sim_store_register): Handle case where client - GDB -
1164 specifies that a 4 byte register is 8 bytes in size.
1165 (sim_fetch_register): Ditto.
1166
adf40b2e
JM
11671999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1168
1169 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1170 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1171 (idt_monitor_base): Base address for IDT monitor traps.
1172 (pmon_monitor_base): Ditto for PMON.
1173 (lsipmon_monitor_base): Ditto for LSI PMON.
1174 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1175 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1176 (sim_firmware_command): New function.
1177 (mips_option_handler): Call it for OPTION_FIRMWARE.
1178 (sim_open): Allocate memory for idt_monitor region. If "--board"
1179 option was given, add no monitor by default. Add BREAK hooks only if
1180 monitors are also there.
1181
43e526b9
JM
1182Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1183
1184 * interp.c (sim_monitor): Flush output before reading input.
1185
1186Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1187
1188 * tconfig.in (SIM_HANDLES_LMA): Always define.
1189
1190Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1191
1192 From Mark Salter <msalter@cygnus.com>:
1193 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1194 (sim_open): Add setup for BSP board.
1195
9846de1b
JM
1196Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1197
1198 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1199 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1200 them as unimplemented.
1201
cd0fc7c3
SS
12021999-05-08 Felix Lee <flee@cygnus.com>
1203
1204 * configure: Regenerated to track ../common/aclocal.m4 changes.
1205
7a292a7a
SS
12061999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1207
1208 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1209
1210Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1211
1212 * configure.in: Any mips64vr5*-*-* target should have
1213 -DTARGET_ENABLE_FR=1.
1214 (default_endian): Any mips64vr*el-*-* target should default to
1215 LITTLE_ENDIAN.
1216 * configure: Re-generate.
1217
12181999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1219
1220 * mips.igen (ldl): Extend from _16_, not 32.
1221
1222Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1223
1224 * interp.c (sim_store_register): Force registers written to by GDB
1225 into an un-interpreted state.
1226
c906108c
SS
12271999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1228
1229 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1230 CPU, start periodic background I/O polls.
1231 (tx3904sio_poll): New function: periodic I/O poller.
1232
12331998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1234
1235 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1236
1237Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1238
1239 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1240 case statement.
1241
12421998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1243
1244 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1245 (load_word): Call SIM_CORE_SIGNAL hook on error.
1246 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1247 starting. For exception dispatching, pass PC instead of NULL_CIA.
1248 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1249 * sim-main.h (COP0_BADVADDR): Define.
1250 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1251 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1252 (_sim_cpu): Add exc_* fields to store register value snapshots.
1253 * mips.igen (*): Replace memory-related SignalException* calls
1254 with references to SIM_CORE_SIGNAL hook.
1255
1256 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1257 fix.
1258 * sim-main.c (*): Minor warning cleanups.
1259
12601998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1261
1262 * m16.igen (DADDIU5): Correct type-o.
1263
1264Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1265
1266 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1267 variables.
1268
1269Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1270
1271 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1272 to include path.
1273 (interp.o): Add dependency on itable.h
1274 (oengine.c, gencode): Delete remaining references.
1275 (BUILT_SRC_FROM_GEN): Clean up.
1276
12771998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1278
1279 * vr4run.c: New.
1280 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1281 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1282 tmp-run-hack) : New.
1283 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1284 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1285 Drop the "64" qualifier to get the HACK generator working.
1286 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1287 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1288 qualifier to get the hack generator working.
1289 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1290 (DSLL): Use do_dsll.
1291 (DSLLV): Use do_dsllv.
1292 (DSRA): Use do_dsra.
1293 (DSRL): Use do_dsrl.
1294 (DSRLV): Use do_dsrlv.
1295 (BC1): Move *vr4100 to get the HACK generator working.
1296 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1297 get the HACK generator working.
1298 (MACC) Rename to get the HACK generator working.
1299 (DMACC,MACCS,DMACCS): Add the 64.
1300
13011998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1302
1303 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1304 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1305
13061998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1307
1308 * mips/interp.c (DEBUG): Cleanups.
1309
13101998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1311
1312 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1313 (tx3904sio_tickle): fflush after a stdout character output.
1314
13151998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1316
1317 * interp.c (sim_close): Uninstall modules.
1318
1319Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1320
1321 * sim-main.h, interp.c (sim_monitor): Change to global
1322 function.
1323
1324Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1325
1326 * configure.in (vr4100): Only include vr4100 instructions in
1327 simulator.
1328 * configure: Re-generate.
1329 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1330
1331Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1332
1333 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1334 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1335 true alternative.
1336
1337 * configure.in (sim_default_gen, sim_use_gen): Replace with
1338 sim_gen.
1339 (--enable-sim-igen): Delete config option. Always using IGEN.
1340 * configure: Re-generate.
1341
1342 * Makefile.in (gencode): Kill, kill, kill.
1343 * gencode.c: Ditto.
1344
1345Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1346
1347 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1348 bit mips16 igen simulator.
1349 * configure: Re-generate.
1350
1351 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1352 as part of vr4100 ISA.
1353 * vr.igen: Mark all instructions as 64 bit only.
1354
1355Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1356
1357 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1358 Pacify GCC.
1359
1360Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1361
1362 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1363 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1364 * configure: Re-generate.
1365
1366 * m16.igen (BREAK): Define breakpoint instruction.
1367 (JALX32): Mark instruction as mips16 and not r3900.
1368 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1369
1370 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1371
1372Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1373
1374 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1375 insn as a debug breakpoint.
1376
1377 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1378 pending.slot_size.
1379 (PENDING_SCHED): Clean up trace statement.
1380 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1381 (PENDING_FILL): Delay write by only one cycle.
1382 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1383
1384 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1385 of pending writes.
1386 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1387 32 & 64.
1388 (pending_tick): Move incrementing of index to FOR statement.
1389 (pending_tick): Only update PENDING_OUT after a write has occured.
1390
1391 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1392 build simulator.
1393 * configure: Re-generate.
1394
1395 * interp.c (sim_engine_run OLD): Delete explicit call to
1396 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1397
1398Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1399
1400 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1401 interrupt level number to match changed SignalExceptionInterrupt
1402 macro.
1403
1404Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1405
1406 * interp.c: #include "itable.h" if WITH_IGEN.
1407 (get_insn_name): New function.
1408 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1409 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1410
1411Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1412
1413 * configure: Rebuilt to inhale new common/aclocal.m4.
1414
1415Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1416
1417 * dv-tx3904sio.c: Include sim-assert.h.
1418
1419Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1420
1421 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1422 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1423 Reorganize target-specific sim-hardware checks.
1424 * configure: rebuilt.
1425 * interp.c (sim_open): For tx39 target boards, set
1426 OPERATING_ENVIRONMENT, add tx3904sio devices.
1427 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1428 ROM executables. Install dv-sockser into sim-modules list.
1429
1430 * dv-tx3904irc.c: Compiler warning clean-up.
1431 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1432 frequent hw-trace messages.
1433
1434Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1435
1436 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1437
1438Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1439
1440 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1441
1442 * vr.igen: New file.
1443 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1444 * mips.igen: Define vr4100 model. Include vr.igen.
1445Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1446
1447 * mips.igen (check_mf_hilo): Correct check.
1448
1449Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1450
1451 * sim-main.h (interrupt_event): Add prototype.
1452
1453 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1454 register_ptr, register_value.
1455 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1456
1457 * sim-main.h (tracefh): Make extern.
1458
1459Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1460
1461 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1462 Reduce unnecessarily high timer event frequency.
1463 * dv-tx3904cpu.c: Ditto for interrupt event.
1464
1465Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1466
1467 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1468 to allay warnings.
1469 (interrupt_event): Made non-static.
1470
1471 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1472 interchange of configuration values for external vs. internal
1473 clock dividers.
1474
1475Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1476
1477 * mips.igen (BREAK): Moved code to here for
1478 simulator-reserved break instructions.
1479 * gencode.c (build_instruction): Ditto.
1480 * interp.c (signal_exception): Code moved from here. Non-
1481 reserved instructions now use exception vector, rather
1482 than halting sim.
1483 * sim-main.h: Moved magic constants to here.
1484
1485Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1486
1487 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1488 register upon non-zero interrupt event level, clear upon zero
1489 event value.
1490 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1491 by passing zero event value.
1492 (*_io_{read,write}_buffer): Endianness fixes.
1493 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1494 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1495
1496 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1497 serial I/O and timer module at base address 0xFFFF0000.
1498
1499Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1500
1501 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1502 and BigEndianCPU.
1503
1504Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1505
1506 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1507 parts.
1508 * configure: Update.
1509
1510Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1511
1512 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1513 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1514 * configure.in: Include tx3904tmr in hw_device list.
1515 * configure: Rebuilt.
1516 * interp.c (sim_open): Instantiate three timer instances.
1517 Fix address typo of tx3904irc instance.
1518
1519Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1520
1521 * interp.c (signal_exception): SystemCall exception now uses
1522 the exception vector.
1523
1524Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1525
1526 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1527 to allay warnings.
1528
1529Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1530
1531 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1532
1533Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1534
1535 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1536
1537 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1538 sim-main.h. Declare a struct hw_descriptor instead of struct
1539 hw_device_descriptor.
1540
1541Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1542
1543 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1544 right bits and then re-align left hand bytes to correct byte
1545 lanes. Fix incorrect computation in do_store_left when loading
1546 bytes from second word.
1547
1548Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1549
1550 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1551 * interp.c (sim_open): Only create a device tree when HW is
1552 enabled.
1553
1554 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1555 * interp.c (signal_exception): Ditto.
1556
1557Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1558
1559 * gencode.c: Mark BEGEZALL as LIKELY.
1560
1561Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1562
1563 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1564 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1565
1566Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1567
1568 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1569 modules. Recognize TX39 target with "mips*tx39" pattern.
1570 * configure: Rebuilt.
1571 * sim-main.h (*): Added many macros defining bits in
1572 TX39 control registers.
1573 (SignalInterrupt): Send actual PC instead of NULL.
1574 (SignalNMIReset): New exception type.
1575 * interp.c (board): New variable for future use to identify
1576 a particular board being simulated.
1577 (mips_option_handler,mips_options): Added "--board" option.
1578 (interrupt_event): Send actual PC.
1579 (sim_open): Make memory layout conditional on board setting.
1580 (signal_exception): Initial implementation of hardware interrupt
1581 handling. Accept another break instruction variant for simulator
1582 exit.
1583 (decode_coproc): Implement RFE instruction for TX39.
1584 (mips.igen): Decode RFE instruction as such.
1585 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1586 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1587 bbegin to implement memory map.
1588 * dv-tx3904cpu.c: New file.
1589 * dv-tx3904irc.c: New file.
1590
1591Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1592
1593 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1594
1595Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1596
1597 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1598 with calls to check_div_hilo.
1599
1600Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1601
1602 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1603 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1604 Add special r3900 version of do_mult_hilo.
1605 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1606 with calls to check_mult_hilo.
1607 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1608 with calls to check_div_hilo.
1609
1610Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1611
1612 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1613 Document a replacement.
1614
1615Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1616
1617 * interp.c (sim_monitor): Make mon_printf work.
1618
1619Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1620
1621 * sim-main.h (INSN_NAME): New arg `cpu'.
1622
1623Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1624
1625 * configure: Regenerated to track ../common/aclocal.m4 changes.
1626
1627Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1628
1629 * configure: Regenerated to track ../common/aclocal.m4 changes.
1630 * config.in: Ditto.
1631
1632Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1633
1634 * acconfig.h: New file.
1635 * configure.in: Reverted change of Apr 24; use sinclude again.
1636
1637Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1638
1639 * configure: Regenerated to track ../common/aclocal.m4 changes.
1640 * config.in: Ditto.
1641
1642Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1643
1644 * configure.in: Don't call sinclude.
1645
1646Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1647
1648 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1649
1650Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1651
1652 * mips.igen (ERET): Implement.
1653
1654 * interp.c (decode_coproc): Return sign-extended EPC.
1655
1656 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1657
1658 * interp.c (signal_exception): Do not ignore Trap.
1659 (signal_exception): On TRAP, restart at exception address.
1660 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1661 (signal_exception): Update.
1662 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1663 so that TRAP instructions are caught.
1664
1665Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1666
1667 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1668 contains HI/LO access history.
1669 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1670 (HIACCESS, LOACCESS): Delete, replace with
1671 (HIHISTORY, LOHISTORY): New macros.
1672 (CHECKHILO): Delete all, moved to mips.igen
1673
1674 * gencode.c (build_instruction): Do not generate checks for
1675 correct HI/LO register usage.
1676
1677 * interp.c (old_engine_run): Delete checks for correct HI/LO
1678 register usage.
1679
1680 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1681 check_mf_cycles): New functions.
1682 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1683 do_divu, domultx, do_mult, do_multu): Use.
1684
1685 * tx.igen ("madd", "maddu"): Use.
1686
1687Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1688
1689 * mips.igen (DSRAV): Use function do_dsrav.
1690 (SRAV): Use new function do_srav.
1691
1692 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1693 (B): Sign extend 11 bit immediate.
1694 (EXT-B*): Shift 16 bit immediate left by 1.
1695 (ADDIU*): Don't sign extend immediate value.
1696
1697Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1698
1699 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1700
1701 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1702 functions.
1703
1704 * mips.igen (delayslot32, nullify_next_insn): New functions.
1705 (m16.igen): Always include.
1706 (do_*): Add more tracing.
1707
1708 * m16.igen (delayslot16): Add NIA argument, could be called by a
1709 32 bit MIPS16 instruction.
1710
1711 * interp.c (ifetch16): Move function from here.
1712 * sim-main.c (ifetch16): To here.
1713
1714 * sim-main.c (ifetch16, ifetch32): Update to match current
1715 implementations of LH, LW.
1716 (signal_exception): Don't print out incorrect hex value of illegal
1717 instruction.
1718
1719Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1720
1721 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1722 instruction.
1723
1724 * m16.igen: Implement MIPS16 instructions.
1725
1726 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1727 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1728 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1729 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1730 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1731 bodies of corresponding code from 32 bit insn to these. Also used
1732 by MIPS16 versions of functions.
1733
1734 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1735 (IMEM16): Drop NR argument from macro.
1736
1737Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1738
1739 * Makefile.in (SIM_OBJS): Add sim-main.o.
1740
1741 * sim-main.h (address_translation, load_memory, store_memory,
1742 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1743 as INLINE_SIM_MAIN.
1744 (pr_addr, pr_uword64): Declare.
1745 (sim-main.c): Include when H_REVEALS_MODULE_P.
1746
1747 * interp.c (address_translation, load_memory, store_memory,
1748 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1749 from here.
1750 * sim-main.c: To here. Fix compilation problems.
1751
1752 * configure.in: Enable inlining.
1753 * configure: Re-config.
1754
1755Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1756
1757 * configure: Regenerated to track ../common/aclocal.m4 changes.
1758
1759Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1760
1761 * mips.igen: Include tx.igen.
1762 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1763 * tx.igen: New file, contains MADD and MADDU.
1764
1765 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1766 the hardwired constant `7'.
1767 (store_memory): Ditto.
1768 (LOADDRMASK): Move definition to sim-main.h.
1769
1770 mips.igen (MTC0): Enable for r3900.
1771 (ADDU): Add trace.
1772
1773 mips.igen (do_load_byte): Delete.
1774 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1775 do_store_right): New functions.
1776 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1777
1778 configure.in: Let the tx39 use igen again.
1779 configure: Update.
1780
1781Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1782
1783 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1784 not an address sized quantity. Return zero for cache sizes.
1785
1786Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1787
1788 * mips.igen (r3900): r3900 does not support 64 bit integer
1789 operations.
1790
1791Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1792
1793 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1794 than igen one.
1795 * configure : Rebuild.
1796
1797Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1798
1799 * configure: Regenerated to track ../common/aclocal.m4 changes.
1800
1801Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1802
1803 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1804
1805Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1806
1807 * configure: Regenerated to track ../common/aclocal.m4 changes.
1808 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1809
1810Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1811
1812 * configure: Regenerated to track ../common/aclocal.m4 changes.
1813
1814Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1815
1816 * interp.c (Max, Min): Comment out functions. Not yet used.
1817
1818Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1819
1820 * configure: Regenerated to track ../common/aclocal.m4 changes.
1821
1822Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1823
1824 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1825 configurable settings for stand-alone simulator.
1826
1827 * configure.in: Added X11 search, just in case.
1828
1829 * configure: Regenerated.
1830
1831Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1832
1833 * interp.c (sim_write, sim_read, load_memory, store_memory):
1834 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1835
1836Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1837
1838 * sim-main.h (GETFCC): Return an unsigned value.
1839
1840Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1841
1842 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1843 (DADD): Result destination is RD not RT.
1844
1845Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1846
1847 * sim-main.h (HIACCESS, LOACCESS): Always define.
1848
1849 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1850
1851 * interp.c (sim_info): Delete.
1852
1853Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1854
1855 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1856 (mips_option_handler): New argument `cpu'.
1857 (sim_open): Update call to sim_add_option_table.
1858
1859Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1860
1861 * mips.igen (CxC1): Add tracing.
1862
1863Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1864
1865 * sim-main.h (Max, Min): Declare.
1866
1867 * interp.c (Max, Min): New functions.
1868
1869 * mips.igen (BC1): Add tracing.
1870
1871Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1872
1873 * interp.c Added memory map for stack in vr4100
1874
1875Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1876
1877 * interp.c (load_memory): Add missing "break"'s.
1878
1879Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1880
1881 * interp.c (sim_store_register, sim_fetch_register): Pass in
1882 length parameter. Return -1.
1883
1884Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1885
1886 * interp.c: Added hardware init hook, fixed warnings.
1887
1888Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1889
1890 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1891
1892Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1893
1894 * interp.c (ifetch16): New function.
1895
1896 * sim-main.h (IMEM32): Rename IMEM.
1897 (IMEM16_IMMED): Define.
1898 (IMEM16): Define.
1899 (DELAY_SLOT): Update.
1900
1901 * m16run.c (sim_engine_run): New file.
1902
1903 * m16.igen: All instructions except LB.
1904 (LB): Call do_load_byte.
1905 * mips.igen (do_load_byte): New function.
1906 (LB): Call do_load_byte.
1907
1908 * mips.igen: Move spec for insn bit size and high bit from here.
1909 * Makefile.in (tmp-igen, tmp-m16): To here.
1910
1911 * m16.dc: New file, decode mips16 instructions.
1912
1913 * Makefile.in (SIM_NO_ALL): Define.
1914 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1915
1916Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1917
1918 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1919 point unit to 32 bit registers.
1920 * configure: Re-generate.
1921
1922Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1923
1924 * configure.in (sim_use_gen): Make IGEN the default simulator
1925 generator for generic 32 and 64 bit mips targets.
1926 * configure: Re-generate.
1927
1928Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1929
1930 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1931 bitsize.
1932
1933 * interp.c (sim_fetch_register, sim_store_register): Read/write
1934 FGR from correct location.
1935 (sim_open): Set size of FGR's according to
1936 WITH_TARGET_FLOATING_POINT_BITSIZE.
1937
1938 * sim-main.h (FGR): Store floating point registers in a separate
1939 array.
1940
1941Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1942
1943 * configure: Regenerated to track ../common/aclocal.m4 changes.
1944
1945Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1946
1947 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1948
1949 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1950
1951 * interp.c (pending_tick): New function. Deliver pending writes.
1952
1953 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1954 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1955 it can handle mixed sized quantites and single bits.
1956
1957Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1958
1959 * interp.c (oengine.h): Do not include when building with IGEN.
1960 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1961 (sim_info): Ditto for PROCESSOR_64BIT.
1962 (sim_monitor): Replace ut_reg with unsigned_word.
1963 (*): Ditto for t_reg.
1964 (LOADDRMASK): Define.
1965 (sim_open): Remove defunct check that host FP is IEEE compliant,
1966 using software to emulate floating point.
1967 (value_fpr, ...): Always compile, was conditional on HASFPU.
1968
1969Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1970
1971 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1972 size.
1973
1974 * interp.c (SD, CPU): Define.
1975 (mips_option_handler): Set flags in each CPU.
1976 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1977 (sim_close): Do not clear STATE, deleted anyway.
1978 (sim_write, sim_read): Assume CPU zero's vm should be used for
1979 data transfers.
1980 (sim_create_inferior): Set the PC for all processors.
1981 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1982 argument.
1983 (mips16_entry): Pass correct nr of args to store_word, load_word.
1984 (ColdReset): Cold reset all cpu's.
1985 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1986 (sim_monitor, load_memory, store_memory, signal_exception): Use
1987 `CPU' instead of STATE_CPU.
1988
1989
1990 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1991 SD or CPU_.
1992
1993 * sim-main.h (signal_exception): Add sim_cpu arg.
1994 (SignalException*): Pass both SD and CPU to signal_exception.
1995 * interp.c (signal_exception): Update.
1996
1997 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1998 Ditto
1999 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2000 address_translation): Ditto
2001 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
2002
2003Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2004
2005 * configure: Regenerated to track ../common/aclocal.m4 changes.
2006
2007Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2008
2009 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2010
2011 * mips.igen (model): Map processor names onto BFD name.
2012
2013 * sim-main.h (CPU_CIA): Delete.
2014 (SET_CIA, GET_CIA): Define
2015
2016Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2017
2018 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2019 regiser.
2020
2021 * configure.in (default_endian): Configure a big-endian simulator
2022 by default.
2023 * configure: Re-generate.
2024
2025Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2026
2027 * configure: Regenerated to track ../common/aclocal.m4 changes.
2028
2029Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2030
2031 * interp.c (sim_monitor): Handle Densan monitor outbyte
2032 and inbyte functions.
2033
20341997-12-29 Felix Lee <flee@cygnus.com>
2035
2036 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2037
2038Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2039
2040 * Makefile.in (tmp-igen): Arrange for $zero to always be
2041 reset to zero after every instruction.
2042
2043Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2044
2045 * configure: Regenerated to track ../common/aclocal.m4 changes.
2046 * config.in: Ditto.
2047
2048Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2049
2050 * mips.igen (MSUB): Fix to work like MADD.
2051 * gencode.c (MSUB): Similarly.
2052
2053Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2054
2055 * configure: Regenerated to track ../common/aclocal.m4 changes.
2056
2057Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2058
2059 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2060
2061Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2062
2063 * sim-main.h (sim-fpu.h): Include.
2064
2065 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2066 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2067 using host independant sim_fpu module.
2068
2069Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2070
2071 * interp.c (signal_exception): Report internal errors with SIGABRT
2072 not SIGQUIT.
2073
2074 * sim-main.h (C0_CONFIG): New register.
2075 (signal.h): No longer include.
2076
2077 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2078
2079Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2080
2081 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2082
2083Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2084
2085 * mips.igen: Tag vr5000 instructions.
2086 (ANDI): Was missing mipsIV model, fix assembler syntax.
2087 (do_c_cond_fmt): New function.
2088 (C.cond.fmt): Handle mips I-III which do not support CC field
2089 separatly.
2090 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2091 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2092 in IV3.2 spec.
2093 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2094 vr5000 which saves LO in a GPR separatly.
2095
2096 * configure.in (enable-sim-igen): For vr5000, select vr5000
2097 specific instructions.
2098 * configure: Re-generate.
2099
2100Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2101
2102 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2103
2104 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2105 fmt_uninterpreted_64 bit cases to switch. Convert to
2106 fmt_formatted,
2107
2108 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2109
2110 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2111 as specified in IV3.2 spec.
2112 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2113
2114Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2115
2116 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2117 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2118 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2119 PENDING_FILL versions of instructions. Simplify.
2120 (X): New function.
2121 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2122 instructions.
2123 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2124 a signed value.
2125 (MTHI, MFHI): Disable code checking HI-LO.
2126
2127 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2128 global.
2129 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2130
2131Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2132
2133 * gencode.c (build_mips16_operands): Replace IPC with cia.
2134
2135 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2136 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2137 IPC to `cia'.
2138 (UndefinedResult): Replace function with macro/function
2139 combination.
2140 (sim_engine_run): Don't save PC in IPC.
2141
2142 * sim-main.h (IPC): Delete.
2143
2144
2145 * interp.c (signal_exception, store_word, load_word,
2146 address_translation, load_memory, store_memory, cache_op,
2147 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2148 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2149 current instruction address - cia - argument.
2150 (sim_read, sim_write): Call address_translation directly.
2151 (sim_engine_run): Rename variable vaddr to cia.
2152 (signal_exception): Pass cia to sim_monitor
2153
2154 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2155 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2156 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2157
2158 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2159 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2160 SIM_ASSERT.
2161
2162 * interp.c (signal_exception): Pass restart address to
2163 sim_engine_restart.
2164
2165 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2166 idecode.o): Add dependency.
2167
2168 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2169 Delete definitions
2170 (DELAY_SLOT): Update NIA not PC with branch address.
2171 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2172
2173 * mips.igen: Use CIA not PC in branch calculations.
2174 (illegal): Call SignalException.
2175 (BEQ, ADDIU): Fix assembler.
2176
2177Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2178
2179 * m16.igen (JALX): Was missing.
2180
2181 * configure.in (enable-sim-igen): New configuration option.
2182 * configure: Re-generate.
2183
2184 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2185
2186 * interp.c (load_memory, store_memory): Delete parameter RAW.
2187 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2188 bypassing {load,store}_memory.
2189
2190 * sim-main.h (ByteSwapMem): Delete definition.
2191
2192 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2193
2194 * interp.c (sim_do_command, sim_commands): Delete mips specific
2195 commands. Handled by module sim-options.
2196
2197 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2198 (WITH_MODULO_MEMORY): Define.
2199
2200 * interp.c (sim_info): Delete code printing memory size.
2201
2202 * interp.c (mips_size): Nee sim_size, delete function.
2203 (power2): Delete.
2204 (monitor, monitor_base, monitor_size): Delete global variables.
2205 (sim_open, sim_close): Delete code creating monitor and other
2206 memory regions. Use sim-memopts module, via sim_do_commandf, to
2207 manage memory regions.
2208 (load_memory, store_memory): Use sim-core for memory model.
2209
2210 * interp.c (address_translation): Delete all memory map code
2211 except line forcing 32 bit addresses.
2212
2213Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2214
2215 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2216 trace options.
2217
2218 * interp.c (logfh, logfile): Delete globals.
2219 (sim_open, sim_close): Delete code opening & closing log file.
2220 (mips_option_handler): Delete -l and -n options.
2221 (OPTION mips_options): Ditto.
2222
2223 * interp.c (OPTION mips_options): Rename option trace to dinero.
2224 (mips_option_handler): Update.
2225
2226Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2227
2228 * interp.c (fetch_str): New function.
2229 (sim_monitor): Rewrite using sim_read & sim_write.
2230 (sim_open): Check magic number.
2231 (sim_open): Write monitor vectors into memory using sim_write.
2232 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2233 (sim_read, sim_write): Simplify - transfer data one byte at a
2234 time.
2235 (load_memory, store_memory): Clarify meaning of parameter RAW.
2236
2237 * sim-main.h (isHOST): Defete definition.
2238 (isTARGET): Mark as depreciated.
2239 (address_translation): Delete parameter HOST.
2240
2241 * interp.c (address_translation): Delete parameter HOST.
2242
2243Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2244
2245 * mips.igen:
2246
2247 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2248 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2249
2250Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2251
2252 * mips.igen: Add model filter field to records.
2253
2254Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2255
2256 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2257
2258 interp.c (sim_engine_run): Do not compile function sim_engine_run
2259 when WITH_IGEN == 1.
2260
2261 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2262 target architecture.
2263
2264 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2265 igen. Replace with configuration variables sim_igen_flags /
2266 sim_m16_flags.
2267
2268 * m16.igen: New file. Copy mips16 insns here.
2269 * mips.igen: From here.
2270
2271Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2272
2273 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2274 to top.
2275 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2276
2277Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2278
2279 * gencode.c (build_instruction): Follow sim_write's lead in using
2280 BigEndianMem instead of !ByteSwapMem.
2281
2282Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2283
2284 * configure.in (sim_gen): Dependent on target, select type of
2285 generator. Always select old style generator.
2286
2287 configure: Re-generate.
2288
2289 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2290 targets.
2291 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2292 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2293 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2294 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2295 SIM_@sim_gen@_*, set by autoconf.
2296
2297Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2298
2299 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2300
2301 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2302 CURRENT_FLOATING_POINT instead.
2303
2304 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2305 (address_translation): Raise exception InstructionFetch when
2306 translation fails and isINSTRUCTION.
2307
2308 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2309 sim_engine_run): Change type of of vaddr and paddr to
2310 address_word.
2311 (address_translation, prefetch, load_memory, store_memory,
2312 cache_op): Change type of vAddr and pAddr to address_word.
2313
2314 * gencode.c (build_instruction): Change type of vaddr and paddr to
2315 address_word.
2316
2317Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2318
2319 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2320 macro to obtain result of ALU op.
2321
2322Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2323
2324 * interp.c (sim_info): Call profile_print.
2325
2326Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2327
2328 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2329
2330 * sim-main.h (WITH_PROFILE): Do not define, defined in
2331 common/sim-config.h. Use sim-profile module.
2332 (simPROFILE): Delete defintion.
2333
2334 * interp.c (PROFILE): Delete definition.
2335 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2336 (sim_close): Delete code writing profile histogram.
2337 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2338 Delete.
2339 (sim_engine_run): Delete code profiling the PC.
2340
2341Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2342
2343 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2344
2345 * interp.c (sim_monitor): Make register pointers of type
2346 unsigned_word*.
2347
2348 * sim-main.h: Make registers of type unsigned_word not
2349 signed_word.
2350
2351Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2352
2353 * interp.c (sync_operation): Rename from SyncOperation, make
2354 global, add SD argument.
2355 (prefetch): Rename from Prefetch, make global, add SD argument.
2356 (decode_coproc): Make global.
2357
2358 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2359
2360 * gencode.c (build_instruction): Generate DecodeCoproc not
2361 decode_coproc calls.
2362
2363 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2364 (SizeFGR): Move to sim-main.h
2365 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2366 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2367 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2368 sim-main.h.
2369 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2370 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2371 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2372 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2373 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2374 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2375
2376 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2377 exception.
2378 (sim-alu.h): Include.
2379 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2380 (sim_cia): Typedef to instruction_address.
2381
2382Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2383
2384 * Makefile.in (interp.o): Rename generated file engine.c to
2385 oengine.c.
2386
2387 * interp.c: Update.
2388
2389Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2390
2391 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2392
2393Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2394
2395 * gencode.c (build_instruction): For "FPSQRT", output correct
2396 number of arguments to Recip.
2397
2398Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2399
2400 * Makefile.in (interp.o): Depends on sim-main.h
2401
2402 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2403
2404 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2405 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2406 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2407 STATE, DSSTATE): Define
2408 (GPR, FGRIDX, ..): Define.
2409
2410 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2411 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2412 (GPR, FGRIDX, ...): Delete macros.
2413
2414 * interp.c: Update names to match defines from sim-main.h
2415
2416Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2417
2418 * interp.c (sim_monitor): Add SD argument.
2419 (sim_warning): Delete. Replace calls with calls to
2420 sim_io_eprintf.
2421 (sim_error): Delete. Replace calls with sim_io_error.
2422 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2423 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2424 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2425 argument.
2426 (mips_size): Rename from sim_size. Add SD argument.
2427
2428 * interp.c (simulator): Delete global variable.
2429 (callback): Delete global variable.
2430 (mips_option_handler, sim_open, sim_write, sim_read,
2431 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2432 sim_size,sim_monitor): Use sim_io_* not callback->*.
2433 (sim_open): ZALLOC simulator struct.
2434 (PROFILE): Do not define.
2435
2436Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2437
2438 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2439 support.h with corresponding code.
2440
2441 * sim-main.h (word64, uword64), support.h: Move definition to
2442 sim-main.h.
2443 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2444
2445 * support.h: Delete
2446 * Makefile.in: Update dependencies
2447 * interp.c: Do not include.
2448
2449Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2450
2451 * interp.c (address_translation, load_memory, store_memory,
2452 cache_op): Rename to from AddressTranslation et.al., make global,
2453 add SD argument
2454
2455 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2456 CacheOp): Define.
2457
2458 * interp.c (SignalException): Rename to signal_exception, make
2459 global.
2460
2461 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2462
2463 * sim-main.h (SignalException, SignalExceptionInterrupt,
2464 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2465 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2466 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2467 Define.
2468
2469 * interp.c, support.h: Use.
2470
2471Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2472
2473 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2474 to value_fpr / store_fpr. Add SD argument.
2475 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2476 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2477
2478 * sim-main.h (ValueFPR, StoreFPR): Define.
2479
2480Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2481
2482 * interp.c (sim_engine_run): Check consistency between configure
2483 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2484 and HASFPU.
2485
2486 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2487 (mips_fpu): Configure WITH_FLOATING_POINT.
2488 (mips_endian): Configure WITH_TARGET_ENDIAN.
2489 * configure: Update.
2490
2491Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2492
2493 * configure: Regenerated to track ../common/aclocal.m4 changes.
2494
2495Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2496
2497 * configure: Regenerated.
2498
2499Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2500
2501 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2502
2503Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2504
2505 * gencode.c (print_igen_insn_models): Assume certain architectures
2506 include all mips* instructions.
2507 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2508 instruction.
2509
2510 * Makefile.in (tmp.igen): Add target. Generate igen input from
2511 gencode file.
2512
2513 * gencode.c (FEATURE_IGEN): Define.
2514 (main): Add --igen option. Generate output in igen format.
2515 (process_instructions): Format output according to igen option.
2516 (print_igen_insn_format): New function.
2517 (print_igen_insn_models): New function.
2518 (process_instructions): Only issue warnings and ignore
2519 instructions when no FEATURE_IGEN.
2520
2521Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2522
2523 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2524 MIPS targets.
2525
2526Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2527
2528 * configure: Regenerated to track ../common/aclocal.m4 changes.
2529
2530Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2531
2532 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2533 SIM_RESERVED_BITS): Delete, moved to common.
2534 (SIM_EXTRA_CFLAGS): Update.
2535
2536Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2537
2538 * configure.in: Configure non-strict memory alignment.
2539 * configure: Regenerated to track ../common/aclocal.m4 changes.
2540
2541Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2542
2543 * configure: Regenerated to track ../common/aclocal.m4 changes.
2544
2545Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2546
2547 * gencode.c (SDBBP,DERET): Added (3900) insns.
2548 (RFE): Turn on for 3900.
2549 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2550 (dsstate): Made global.
2551 (SUBTARGET_R3900): Added.
2552 (CANCELDELAYSLOT): New.
2553 (SignalException): Ignore SystemCall rather than ignore and
2554 terminate. Add DebugBreakPoint handling.
2555 (decode_coproc): New insns RFE, DERET; and new registers Debug
2556 and DEPC protected by SUBTARGET_R3900.
2557 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2558 bits explicitly.
2559 * Makefile.in,configure.in: Add mips subtarget option.
2560 * configure: Update.
2561
2562Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2563
2564 * gencode.c: Add r3900 (tx39).
2565
2566
2567Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2568
2569 * gencode.c (build_instruction): Don't need to subtract 4 for
2570 JALR, just 2.
2571
2572Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2573
2574 * interp.c: Correct some HASFPU problems.
2575
2576Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2577
2578 * configure: Regenerated to track ../common/aclocal.m4 changes.
2579
2580Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2581
2582 * interp.c (mips_options): Fix samples option short form, should
2583 be `x'.
2584
2585Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2586
2587 * interp.c (sim_info): Enable info code. Was just returning.
2588
2589Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2590
2591 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2592 MFC0.
2593
2594Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2595
2596 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2597 constants.
2598 (build_instruction): Ditto for LL.
2599
2600Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2601
2602 * configure: Regenerated to track ../common/aclocal.m4 changes.
2603
2604Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2605
2606 * configure: Regenerated to track ../common/aclocal.m4 changes.
2607 * config.in: Ditto.
2608
2609Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2610
2611 * interp.c (sim_open): Add call to sim_analyze_program, update
2612 call to sim_config.
2613
2614Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2615
2616 * interp.c (sim_kill): Delete.
2617 (sim_create_inferior): Add ABFD argument. Set PC from same.
2618 (sim_load): Move code initializing trap handlers from here.
2619 (sim_open): To here.
2620 (sim_load): Delete, use sim-hload.c.
2621
2622 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2623
2624Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2625
2626 * configure: Regenerated to track ../common/aclocal.m4 changes.
2627 * config.in: Ditto.
2628
2629Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2630
2631 * interp.c (sim_open): Add ABFD argument.
2632 (sim_load): Move call to sim_config from here.
2633 (sim_open): To here. Check return status.
2634
2635Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2636
2637 * gencode.c (build_instruction): Two arg MADD should
2638 not assign result to $0.
2639
2640Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2641
2642 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2643 * sim/mips/configure.in: Regenerate.
2644
2645Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2646
2647 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2648 signed8, unsigned8 et.al. types.
2649
2650 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2651 hosts when selecting subreg.
2652
2653Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2654
2655 * interp.c (sim_engine_run): Reset the ZERO register to zero
2656 regardless of FEATURE_WARN_ZERO.
2657 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2658
2659Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2660
2661 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2662 (SignalException): For BreakPoints ignore any mode bits and just
2663 save the PC.
2664 (SignalException): Always set the CAUSE register.
2665
2666Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2667
2668 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2669 exception has been taken.
2670
2671 * interp.c: Implement the ERET and mt/f sr instructions.
2672
2673Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2674
2675 * interp.c (SignalException): Don't bother restarting an
2676 interrupt.
2677
2678Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2679
2680 * interp.c (SignalException): Really take an interrupt.
2681 (interrupt_event): Only deliver interrupts when enabled.
2682
2683Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2684
2685 * interp.c (sim_info): Only print info when verbose.
2686 (sim_info) Use sim_io_printf for output.
2687
2688Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2689
2690 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2691 mips architectures.
2692
2693Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2694
2695 * interp.c (sim_do_command): Check for common commands if a
2696 simulator specific command fails.
2697
2698Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2699
2700 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2701 and simBE when DEBUG is defined.
2702
2703Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2704
2705 * interp.c (interrupt_event): New function. Pass exception event
2706 onto exception handler.
2707
2708 * configure.in: Check for stdlib.h.
2709 * configure: Regenerate.
2710
2711 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2712 variable declaration.
2713 (build_instruction): Initialize memval1.
2714 (build_instruction): Add UNUSED attribute to byte, bigend,
2715 reverse.
2716 (build_operands): Ditto.
2717
2718 * interp.c: Fix GCC warnings.
2719 (sim_get_quit_code): Delete.
2720
2721 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2722 * Makefile.in: Ditto.
2723 * configure: Re-generate.
2724
2725 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2726
2727Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2728
2729 * interp.c (mips_option_handler): New function parse argumes using
2730 sim-options.
2731 (myname): Replace with STATE_MY_NAME.
2732 (sim_open): Delete check for host endianness - performed by
2733 sim_config.
2734 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2735 (sim_open): Move much of the initialization from here.
2736 (sim_load): To here. After the image has been loaded and
2737 endianness set.
2738 (sim_open): Move ColdReset from here.
2739 (sim_create_inferior): To here.
2740 (sim_open): Make FP check less dependant on host endianness.
2741
2742 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2743 run.
2744 * interp.c (sim_set_callbacks): Delete.
2745
2746 * interp.c (membank, membank_base, membank_size): Replace with
2747 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2748 (sim_open): Remove call to callback->init. gdb/run do this.
2749
2750 * interp.c: Update
2751
2752 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2753
2754 * interp.c (big_endian_p): Delete, replaced by
2755 current_target_byte_order.
2756
2757Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2758
2759 * interp.c (host_read_long, host_read_word, host_swap_word,
2760 host_swap_long): Delete. Using common sim-endian.
2761 (sim_fetch_register, sim_store_register): Use H2T.
2762 (pipeline_ticks): Delete. Handled by sim-events.
2763 (sim_info): Update.
2764 (sim_engine_run): Update.
2765
2766Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2767
2768 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2769 reason from here.
2770 (SignalException): To here. Signal using sim_engine_halt.
2771 (sim_stop_reason): Delete, moved to common.
2772
2773Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2774
2775 * interp.c (sim_open): Add callback argument.
2776 (sim_set_callbacks): Delete SIM_DESC argument.
2777 (sim_size): Ditto.
2778
2779Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2780
2781 * Makefile.in (SIM_OBJS): Add common modules.
2782
2783 * interp.c (sim_set_callbacks): Also set SD callback.
2784 (set_endianness, xfer_*, swap_*): Delete.
2785 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2786 Change to functions using sim-endian macros.
2787 (control_c, sim_stop): Delete, use common version.
2788 (simulate): Convert into.
2789 (sim_engine_run): This function.
2790 (sim_resume): Delete.
2791
2792 * interp.c (simulation): New variable - the simulator object.
2793 (sim_kind): Delete global - merged into simulation.
2794 (sim_load): Cleanup. Move PC assignment from here.
2795 (sim_create_inferior): To here.
2796
2797 * sim-main.h: New file.
2798 * interp.c (sim-main.h): Include.
2799
2800Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2801
2802 * configure: Regenerated to track ../common/aclocal.m4 changes.
2803
2804Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2805
2806 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2807
2808Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2809
2810 * gencode.c (build_instruction): DIV instructions: check
2811 for division by zero and integer overflow before using
2812 host's division operation.
2813
2814Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2815
2816 * Makefile.in (SIM_OBJS): Add sim-load.o.
2817 * interp.c: #include bfd.h.
2818 (target_byte_order): Delete.
2819 (sim_kind, myname, big_endian_p): New static locals.
2820 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2821 after argument parsing. Recognize -E arg, set endianness accordingly.
2822 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2823 load file into simulator. Set PC from bfd.
2824 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2825 (set_endianness): Use big_endian_p instead of target_byte_order.
2826
2827Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2828
2829 * interp.c (sim_size): Delete prototype - conflicts with
2830 definition in remote-sim.h. Correct definition.
2831
2832Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2833
2834 * configure: Regenerated to track ../common/aclocal.m4 changes.
2835 * config.in: Ditto.
2836
2837Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2838
2839 * interp.c (sim_open): New arg `kind'.
2840
2841 * configure: Regenerated to track ../common/aclocal.m4 changes.
2842
2843Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2844
2845 * configure: Regenerated to track ../common/aclocal.m4 changes.
2846
2847Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2848
2849 * interp.c (sim_open): Set optind to 0 before calling getopt.
2850
2851Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2852
2853 * configure: Regenerated to track ../common/aclocal.m4 changes.
2854
2855Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2856
2857 * interp.c : Replace uses of pr_addr with pr_uword64
2858 where the bit length is always 64 independent of SIM_ADDR.
2859 (pr_uword64) : added.
2860
2861Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2862
2863 * configure: Re-generate.
2864
2865Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2866
2867 * configure: Regenerate to track ../common/aclocal.m4 changes.
2868
2869Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2870
2871 * interp.c (sim_open): New SIM_DESC result. Argument is now
2872 in argv form.
2873 (other sim_*): New SIM_DESC argument.
2874
2875Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2876
2877 * interp.c: Fix printing of addresses for non-64-bit targets.
2878 (pr_addr): Add function to print address based on size.
2879
2880Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2881
2882 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2883
2884Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2885
2886 * gencode.c (build_mips16_operands): Correct computation of base
2887 address for extended PC relative instruction.
2888
2889Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2890
2891 * interp.c (mips16_entry): Add support for floating point cases.
2892 (SignalException): Pass floating point cases to mips16_entry.
2893 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2894 registers.
2895 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2896 or fmt_word.
2897 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2898 and then set the state to fmt_uninterpreted.
2899 (COP_SW): Temporarily set the state to fmt_word while calling
2900 ValueFPR.
2901
2902Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2903
2904 * gencode.c (build_instruction): The high order may be set in the
2905 comparison flags at any ISA level, not just ISA 4.
2906
2907Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2908
2909 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2910 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2911 * configure.in: sinclude ../common/aclocal.m4.
2912 * configure: Regenerated.
2913
2914Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2915
2916 * configure: Rebuild after change to aclocal.m4.
2917
2918Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2919
2920 * configure configure.in Makefile.in: Update to new configure
2921 scheme which is more compatible with WinGDB builds.
2922 * configure.in: Improve comment on how to run autoconf.
2923 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2924 * Makefile.in: Use autoconf substitution to install common
2925 makefile fragment.
2926
2927Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2928
2929 * gencode.c (build_instruction): Use BigEndianCPU instead of
2930 ByteSwapMem.
2931
2932Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2933
2934 * interp.c (sim_monitor): Make output to stdout visible in
2935 wingdb's I/O log window.
2936
2937Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2938
2939 * support.h: Undo previous change to SIGTRAP
2940 and SIGQUIT values.
2941
2942Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2943
2944 * interp.c (store_word, load_word): New static functions.
2945 (mips16_entry): New static function.
2946 (SignalException): Look for mips16 entry and exit instructions.
2947 (simulate): Use the correct index when setting fpr_state after
2948 doing a pending move.
2949
2950Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2951
2952 * interp.c: Fix byte-swapping code throughout to work on
2953 both little- and big-endian hosts.
2954
2955Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2956
2957 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2958 with gdb/config/i386/xm-windows.h.
2959
2960Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2961
2962 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2963 that messes up arithmetic shifts.
2964
2965Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2966
2967 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2968 SIGTRAP and SIGQUIT for _WIN32.
2969
2970Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2971
2972 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2973 force a 64 bit multiplication.
2974 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2975 destination register is 0, since that is the default mips16 nop
2976 instruction.
2977
2978Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2979
2980 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2981 (build_endian_shift): Don't check proc64.
2982 (build_instruction): Always set memval to uword64. Cast op2 to
2983 uword64 when shifting it left in memory instructions. Always use
2984 the same code for stores--don't special case proc64.
2985
2986 * gencode.c (build_mips16_operands): Fix base PC value for PC
2987 relative operands.
2988 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2989 jal instruction.
2990 * interp.c (simJALDELAYSLOT): Define.
2991 (JALDELAYSLOT): Define.
2992 (INDELAYSLOT, INJALDELAYSLOT): Define.
2993 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2994
2995Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2996
2997 * interp.c (sim_open): add flush_cache as a PMON routine
2998 (sim_monitor): handle flush_cache by ignoring it
2999
3000Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3001
3002 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3003 BigEndianMem.
3004 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3005 (BigEndianMem): Rename to ByteSwapMem and change sense.
3006 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3007 BigEndianMem references to !ByteSwapMem.
3008 (set_endianness): New function, with prototype.
3009 (sim_open): Call set_endianness.
3010 (sim_info): Use simBE instead of BigEndianMem.
3011 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3012 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3013 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3014 ifdefs, keeping the prototype declaration.
3015 (swap_word): Rewrite correctly.
3016 (ColdReset): Delete references to CONFIG. Delete endianness related
3017 code; moved to set_endianness.
3018
3019Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3020
3021 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3022 * interp.c (CHECKHILO): Define away.
3023 (simSIGINT): New macro.
3024 (membank_size): Increase from 1MB to 2MB.
3025 (control_c): New function.
3026 (sim_resume): Rename parameter signal to signal_number. Add local
3027 variable prev. Call signal before and after simulate.
3028 (sim_stop_reason): Add simSIGINT support.
3029 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3030 functions always.
3031 (sim_warning): Delete call to SignalException. Do call printf_filtered
3032 if logfh is NULL.
3033 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3034 a call to sim_warning.
3035
3036Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3037
3038 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3039 16 bit instructions.
3040
3041Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3042
3043 Add support for mips16 (16 bit MIPS implementation):
3044 * gencode.c (inst_type): Add mips16 instruction encoding types.
3045 (GETDATASIZEINSN): Define.
3046 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3047 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3048 mtlo.
3049 (MIPS16_DECODE): New table, for mips16 instructions.
3050 (bitmap_val): New static function.
3051 (struct mips16_op): Define.
3052 (mips16_op_table): New table, for mips16 operands.
3053 (build_mips16_operands): New static function.
3054 (process_instructions): If PC is odd, decode a mips16
3055 instruction. Break out instruction handling into new
3056 build_instruction function.
3057 (build_instruction): New static function, broken out of
3058 process_instructions. Check modifiers rather than flags for SHIFT
3059 bit count and m[ft]{hi,lo} direction.
3060 (usage): Pass program name to fprintf.
3061 (main): Remove unused variable this_option_optind. Change
3062 ``*loptarg++'' to ``loptarg++''.
3063 (my_strtoul): Parenthesize && within ||.
3064 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3065 (simulate): If PC is odd, fetch a 16 bit instruction, and
3066 increment PC by 2 rather than 4.
3067 * configure.in: Add case for mips16*-*-*.
3068 * configure: Rebuild.
3069
3070Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3071
3072 * interp.c: Allow -t to enable tracing in standalone simulator.
3073 Fix garbage output in trace file and error messages.
3074
3075Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3076
3077 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3078 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3079 * configure.in: Simplify using macros in ../common/aclocal.m4.
3080 * configure: Regenerated.
3081 * tconfig.in: New file.
3082
3083Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3084
3085 * interp.c: Fix bugs in 64-bit port.
3086 Use ansi function declarations for msvc compiler.
3087 Initialize and test file pointer in trace code.
3088 Prevent duplicate definition of LAST_EMED_REGNUM.
3089
3090Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3091
3092 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3093
3094Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3095
3096 * interp.c (SignalException): Check for explicit terminating
3097 breakpoint value.
3098 * gencode.c: Pass instruction value through SignalException()
3099 calls for Trap, Breakpoint and Syscall.
3100
3101Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3102
3103 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3104 only used on those hosts that provide it.
3105 * configure.in: Add sqrt() to list of functions to be checked for.
3106 * config.in: Re-generated.
3107 * configure: Re-generated.
3108
3109Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3110
3111 * gencode.c (process_instructions): Call build_endian_shift when
3112 expanding STORE RIGHT, to fix swr.
3113 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3114 clear the high bits.
3115 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3116 Fix float to int conversions to produce signed values.
3117
3118Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3119
3120 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3121 (process_instructions): Correct handling of nor instruction.
3122 Correct shift count for 32 bit shift instructions. Correct sign
3123 extension for arithmetic shifts to not shift the number of bits in
3124 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3125 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3126 Fix madd.
3127 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3128 It's OK to have a mult follow a mult. What's not OK is to have a
3129 mult follow an mfhi.
3130 (Convert): Comment out incorrect rounding code.
3131
3132Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3133
3134 * interp.c (sim_monitor): Improved monitor printf
3135 simulation. Tidied up simulator warnings, and added "--log" option
3136 for directing warning message output.
3137 * gencode.c: Use sim_warning() rather than WARNING macro.
3138
3139Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3140
3141 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3142 getopt1.o, rather than on gencode.c. Link objects together.
3143 Don't link against -liberty.
3144 (gencode.o, getopt.o, getopt1.o): New targets.
3145 * gencode.c: Include <ctype.h> and "ansidecl.h".
3146 (AND): Undefine after including "ansidecl.h".
3147 (ULONG_MAX): Define if not defined.
3148 (OP_*): Don't define macros; now defined in opcode/mips.h.
3149 (main): Call my_strtoul rather than strtoul.
3150 (my_strtoul): New static function.
3151
3152Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3153
3154 * gencode.c (process_instructions): Generate word64 and uword64
3155 instead of `long long' and `unsigned long long' data types.
3156 * interp.c: #include sysdep.h to get signals, and define default
3157 for SIGBUS.
3158 * (Convert): Work around for Visual-C++ compiler bug with type
3159 conversion.
3160 * support.h: Make things compile under Visual-C++ by using
3161 __int64 instead of `long long'. Change many refs to long long
3162 into word64/uword64 typedefs.
3163
3164Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3165
3166 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3167 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3168 (docdir): Removed.
3169 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3170 (AC_PROG_INSTALL): Added.
3171 (AC_PROG_CC): Moved to before configure.host call.
3172 * configure: Rebuilt.
3173
3174Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3175
3176 * configure.in: Define @SIMCONF@ depending on mips target.
3177 * configure: Rebuild.
3178 * Makefile.in (run): Add @SIMCONF@ to control simulator
3179 construction.
3180 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3181 * interp.c: Remove some debugging, provide more detailed error
3182 messages, update memory accesses to use LOADDRMASK.
3183
3184Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3185
3186 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3187 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3188 stamp-h.
3189 * configure: Rebuild.
3190 * config.in: New file, generated by autoheader.
3191 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3192 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3193 HAVE_ANINT and HAVE_AINT, as appropriate.
3194 * Makefile.in (run): Use @LIBS@ rather than -lm.
3195 (interp.o): Depend upon config.h.
3196 (Makefile): Just rebuild Makefile.
3197 (clean): Remove stamp-h.
3198 (mostlyclean): Make the same as clean, not as distclean.
3199 (config.h, stamp-h): New targets.
3200
3201Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3202
3203 * interp.c (ColdReset): Fix boolean test. Make all simulator
3204 globals static.
3205
3206Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3207
3208 * interp.c (xfer_direct_word, xfer_direct_long,
3209 swap_direct_word, swap_direct_long, xfer_big_word,
3210 xfer_big_long, xfer_little_word, xfer_little_long,
3211 swap_word,swap_long): Added.
3212 * interp.c (ColdReset): Provide function indirection to
3213 host<->simulated_target transfer routines.
3214 * interp.c (sim_store_register, sim_fetch_register): Updated to
3215 make use of indirected transfer routines.
3216
3217Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3218
3219 * gencode.c (process_instructions): Ensure FP ABS instruction
3220 recognised.
3221 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3222 system call support.
3223
3224Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3225
3226 * interp.c (sim_do_command): Complain if callback structure not
3227 initialised.
3228
3229Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3230
3231 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3232 support for Sun hosts.
3233 * Makefile.in (gencode): Ensure the host compiler and libraries
3234 used for cross-hosted build.
3235
3236Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3237
3238 * interp.c, gencode.c: Some more (TODO) tidying.
3239
3240Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3241
3242 * gencode.c, interp.c: Replaced explicit long long references with
3243 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3244 * support.h (SET64LO, SET64HI): Macros added.
3245
3246Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3247
3248 * configure: Regenerate with autoconf 2.7.
3249
3250Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3251
3252 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3253 * support.h: Remove superfluous "1" from #if.
3254 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3255
3256Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3257
3258 * interp.c (StoreFPR): Control UndefinedResult() call on
3259 WARN_RESULT manifest.
3260
3261Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3262
3263 * gencode.c: Tidied instruction decoding, and added FP instruction
3264 support.
3265
3266 * interp.c: Added dineroIII, and BSD profiling support. Also
3267 run-time FP handling.
3268
3269Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3270
3271 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3272 gencode.c, interp.c, support.h: created.