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3725885a
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12010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2
3 * configure: Regenerate.
4
d6416cdc
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52009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6
81ecdfbb
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7 * config.in: Regenerate.
8 * configure: Likewise.
9
d6416cdc
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10 * configure: Regenerate.
11
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122008-07-11 Hans-Peter Nilsson <hp@axis.com>
13
14 * configure: Regenerate to track ../common/common.m4 changes.
15 * config.in: Ditto.
16
6efef468
JM
172008-06-06 Vladimir Prus <vladimir@codesourcery.com>
18 Daniel Jacobowitz <dan@codesourcery.com>
19 Joseph Myers <joseph@codesourcery.com>
20
21 * configure: Regenerate.
22
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232007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
24
25 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
26 that unconditionally allows fmt_ps.
27 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
28 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
29 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
30 filter from 64,f to 32,f.
31 (PREFX): Change filter from 64 to 32.
32 (LDXC1, LUXC1): Provide separate mips32r2 implementations
33 that use do_load_double instead of do_load. Make both LUXC1
34 versions unpredictable if SizeFGR () != 64.
35 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
36 instead of do_store. Remove unused variable. Make both SUXC1
37 versions unpredictable if SizeFGR () != 64.
38
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392007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
40
41 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
42 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
43 shifts for that case.
44
2525df03
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452007-09-04 Nick Clifton <nickc@redhat.com>
46
47 * interp.c (options enum): Add OPTION_INFO_MEMORY.
48 (display_mem_info): New static variable.
49 (mips_option_handler): Handle OPTION_INFO_MEMORY.
50 (mips_options): Add info-memory and memory-info.
51 (sim_open): After processing the command line and board
52 specification, check display_mem_info. If it is set then
53 call the real handler for the --memory-info command line
54 switch.
55
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562007-08-24 Joel Brobecker <brobecker@adacore.com>
57
58 * configure.ac: Change license of multi-run.c to GPL version 3.
59 * configure: Regenerate.
60
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612007-06-28 Richard Sandiford <richard@codesourcery.com>
62
63 * configure.ac, configure: Revert last patch.
64
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652007-06-26 Richard Sandiford <richard@codesourcery.com>
66
67 * configure.ac (sim_mipsisa3264_configs): New variable.
68 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
69 every configuration support all four targets, using the triplet to
70 determine the default.
71 * configure: Regenerate.
72
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732007-06-25 Richard Sandiford <richard@codesourcery.com>
74
0a7692b2 75 * Makefile.in (m16run.o): New rule.
efdcccc9 76
f532a356
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772007-05-15 Thiemo Seufer <ths@mips.com>
78
79 * mips3264r2.igen (DSHD): Fix compile warning.
80
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812007-05-14 Thiemo Seufer <ths@mips.com>
82
83 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
84 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
85 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
86 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
87 for mips32r2.
88
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892007-03-01 Thiemo Seufer <ths@mips.com>
90
91 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
92 and mips64.
93
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942007-02-20 Thiemo Seufer <ths@mips.com>
95
96 * dsp.igen: Update copyright notice.
97 * dsp2.igen: Fix copyright notice.
98
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992007-02-20 Thiemo Seufer <ths@mips.com>
100 Chao-Ying Fu <fu@mips.com>
101
102 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
103 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
104 Add dsp2 to sim_igen_machine.
105 * configure: Regenerate.
106 * dsp.igen (do_ph_op): Add MUL support when op = 2.
107 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
108 (mulq_rs.ph): Use do_ph_mulq.
109 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
110 * mips.igen: Add dsp2 model and include dsp2.igen.
111 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
112 for *mips32r2, *mips64r2, *dsp.
113 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
114 for *mips32r2, *mips64r2, *dsp2.
115 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
116
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1172007-02-19 Thiemo Seufer <ths@mips.com>
118 Nigel Stephens <nigel@mips.com>
119
120 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
121 jumps with hazard barrier.
122
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1232007-02-19 Thiemo Seufer <ths@mips.com>
124 Nigel Stephens <nigel@mips.com>
125
126 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
127 after each call to sim_io_write.
128
b1004875 1292007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 130 Nigel Stephens <nigel@mips.com>
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131
132 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
133 supported by this simulator.
07802d98
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134 (decode_coproc): Recognise additional CP0 Config registers
135 correctly.
136
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1372007-02-19 Thiemo Seufer <ths@mips.com>
138 Nigel Stephens <nigel@mips.com>
139 David Ung <davidu@mips.com>
140
141 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
142 uninterpreted formats. If fmt is one of the uninterpreted types
143 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
144 fmt_word, and fmt_uninterpreted_64 like fmt_long.
145 (store_fpr): When writing an invalid odd register, set the
146 matching even register to fmt_unknown, not the following register.
147 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
148 the the memory window at offset 0 set by --memory-size command
149 line option.
150 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
151 point register.
152 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
153 register.
154 (sim_monitor): When returning the memory size to the MIPS
155 application, use the value in STATE_MEM_SIZE, not an arbitrary
156 hardcoded value.
157 (cop_lw): Don' mess around with FPR_STATE, just pass
158 fmt_uninterpreted_32 to StoreFPR.
159 (cop_sw): Similarly.
160 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
161 (cop_sd): Similarly.
162 * mips.igen (not_word_value): Single version for mips32, mips64
163 and mips16.
164
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1652007-02-19 Thiemo Seufer <ths@mips.com>
166 Nigel Stephens <nigel@mips.com>
167
168 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
169 MBytes.
170
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1712007-02-17 Thiemo Seufer <ths@mips.com>
172
173 * configure.ac (mips*-sde-elf*): Move in front of generic machine
174 configuration.
175 * configure: Regenerate.
176
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1772007-02-17 Thiemo Seufer <ths@mips.com>
178
179 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
180 Add mdmx to sim_igen_machine.
181 (mipsisa64*-*-*): Likewise. Remove dsp.
182 (mipsisa32*-*-*): Remove dsp.
183 * configure: Regenerate.
184
109ad085
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1852007-02-13 Thiemo Seufer <ths@mips.com>
186
187 * configure.ac: Add mips*-sde-elf* target.
188 * configure: Regenerate.
189
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1902006-12-21 Hans-Peter Nilsson <hp@axis.com>
191
192 * acconfig.h: Remove.
193 * config.in, configure: Regenerate.
194
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1952006-11-07 Thiemo Seufer <ths@mips.com>
196
197 * dsp.igen (do_w_op): Fix compiler warning.
198
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1992006-08-29 Thiemo Seufer <ths@mips.com>
200 David Ung <davidu@mips.com>
201
202 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
203 sim_igen_machine.
204 * configure: Regenerate.
205 * mips.igen (model): Add smartmips.
206 (MADDU): Increment ACX if carry.
207 (do_mult): Clear ACX.
208 (ROR,RORV): Add smartmips.
209 (include): Include smartmips.igen.
210 * sim-main.h (ACX): Set to REGISTERS[89].
211 * smartmips.igen: New file.
212
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2132006-08-29 Thiemo Seufer <ths@mips.com>
214 David Ung <davidu@mips.com>
215
216 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
217 mips3264r2.igen. Add missing dependency rules.
218 * m16e.igen: Support for mips16e save/restore instructions.
219
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2202006-06-13 Richard Earnshaw <rearnsha@arm.com>
221
222 * configure: Regenerated.
223
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2242006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
225
226 * configure: Regenerated.
227
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2282006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
229
230 * configure: Regenerated.
231
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2322006-05-15 Chao-ying Fu <fu@mips.com>
233
234 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
235
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2362006-04-18 Nick Clifton <nickc@redhat.com>
237
238 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
239 statement.
240
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2412006-03-29 Hans-Peter Nilsson <hp@axis.com>
242
243 * configure: Regenerate.
244
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2452005-12-14 Chao-ying Fu <fu@mips.com>
246
247 * Makefile.in (SIM_OBJS): Add dsp.o.
248 (dsp.o): New dependency.
249 (IGEN_INCLUDE): Add dsp.igen.
250 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
251 mipsisa64*-*-*): Add dsp to sim_igen_machine.
252 * configure: Regenerate.
253 * mips.igen: Add dsp model and include dsp.igen.
254 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
255 because these instructions are extended in DSP ASE.
256 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
257 adding 6 DSP accumulator registers and 1 DSP control register.
258 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
259 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
260 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
261 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
262 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
263 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
264 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
265 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
266 DSPCR_CCOND_SMASK): New define.
267 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
268 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
269
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2702005-07-08 Ian Lance Taylor <ian@airs.com>
271
272 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
273
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2742005-06-16 David Ung <davidu@mips.com>
275 Nigel Stephens <nigel@mips.com>
276
277 * mips.igen: New mips16e model and include m16e.igen.
278 (check_u64): Add mips16e tag.
279 * m16e.igen: New file for MIPS16e instructions.
280 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
281 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
282 models.
283 * configure: Regenerate.
284
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2852005-05-26 David Ung <davidu@mips.com>
286
287 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
288 tags to all instructions which are applicable to the new ISAs.
289 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
290 vr.igen.
291 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
292 instructions.
293 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
294 to mips.igen.
295 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
296 * configure: Regenerate.
297
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2982005-03-23 Mark Kettenis <kettenis@gnu.org>
299
300 * configure: Regenerate.
301
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3022005-01-14 Andrew Cagney <cagney@gnu.org>
303
304 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
305 explicit call to AC_CONFIG_HEADER.
306 * configure: Regenerate.
307
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3082005-01-12 Andrew Cagney <cagney@gnu.org>
309
310 * configure.ac: Update to use ../common/common.m4.
311 * configure: Re-generate.
312
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3132005-01-11 Andrew Cagney <cagney@localhost.localdomain>
314
315 * configure: Regenerated to track ../common/aclocal.m4 changes.
316
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3172005-01-07 Andrew Cagney <cagney@gnu.org>
318
319 * configure.ac: Rename configure.in, require autoconf 2.59.
320 * configure: Re-generate.
321
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3222004-12-08 Hans-Peter Nilsson <hp@axis.com>
323
324 * configure: Regenerate for ../common/aclocal.m4 update.
325
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3262004-09-24 Monika Chaddha <monika@acmet.com>
327
328 Committed by Andrew Cagney.
329 * m16.igen (CMP, CMPI): Fix assembler.
330
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3312004-08-18 Chris Demetriou <cgd@broadcom.com>
332
333 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
334 * configure: Regenerate.
335
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3362004-06-25 Chris Demetriou <cgd@broadcom.com>
337
338 * configure.in (sim_m16_machine): Include mipsIII.
339 * configure: Regenerate.
340
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3412004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
342
343 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
344 from COP0_BADVADDR.
345 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
346
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3472004-04-10 Chris Demetriou <cgd@broadcom.com>
348
349 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
350
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3512004-04-09 Chris Demetriou <cgd@broadcom.com>
352
353 * mips.igen (check_fmt): Remove.
354 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
355 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
356 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
357 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
358 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
359 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
360 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
361 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
362 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
363 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
364
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3652004-04-09 Chris Demetriou <cgd@broadcom.com>
366
367 * sb1.igen (check_sbx): New function.
368 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
369
11d66e66 3702004-03-29 Chris Demetriou <cgd@broadcom.com>
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371 Richard Sandiford <rsandifo@redhat.com>
372
373 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
374 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
375 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
376 separate implementations for mipsIV and mipsV. Use new macros to
377 determine whether the restrictions apply.
378
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3792004-01-19 Chris Demetriou <cgd@broadcom.com>
380
381 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
382 (check_mult_hilo): Improve comments.
383 (check_div_hilo): Likewise. Also, fork off a new version
384 to handle mips32/mips64 (since there are no hazards to check
385 in MIPS32/MIPS64).
386
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3872003-06-17 Richard Sandiford <rsandifo@redhat.com>
388
389 * mips.igen (do_dmultx): Fix check for negative operands.
390
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3912003-05-16 Ian Lance Taylor <ian@airs.com>
392
393 * Makefile.in (SHELL): Make sure this is defined.
394 (various): Use $(SHELL) whenever we invoke move-if-change.
395
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3962003-05-03 Chris Demetriou <cgd@broadcom.com>
397
398 * cp1.c: Tweak attribution slightly.
399 * cp1.h: Likewise.
400 * mdmx.c: Likewise.
401 * mdmx.igen: Likewise.
402 * mips3d.igen: Likewise.
403 * sb1.igen: Likewise.
404
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4052003-04-15 Richard Sandiford <rsandifo@redhat.com>
406
407 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
408 unsigned operands.
409
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4102003-02-27 Andrew Cagney <cagney@redhat.com>
411
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412 * interp.c (sim_open): Rename _bfd to bfd.
413 (sim_create_inferior): Ditto.
6b4a8935 414
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4152003-01-14 Chris Demetriou <cgd@broadcom.com>
416
417 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
418
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4192003-01-14 Chris Demetriou <cgd@broadcom.com>
420
421 * mips.igen (EI, DI): Remove.
422
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4232003-01-05 Richard Sandiford <rsandifo@redhat.com>
424
425 * Makefile.in (tmp-run-multi): Fix mips16 filter.
426
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4272003-01-04 Richard Sandiford <rsandifo@redhat.com>
428 Andrew Cagney <ac131313@redhat.com>
429 Gavin Romig-Koch <gavin@redhat.com>
430 Graydon Hoare <graydon@redhat.com>
431 Aldy Hernandez <aldyh@redhat.com>
432 Dave Brolley <brolley@redhat.com>
433 Chris Demetriou <cgd@broadcom.com>
434
435 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
436 (sim_mach_default): New variable.
437 (mips64vr-*-*, mips64vrel-*-*): New configurations.
438 Add a new simulator generator, MULTI.
439 * configure: Regenerate.
440 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
441 (multi-run.o): New dependency.
442 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
443 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
444 (tmp-multi): Combine them.
445 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
446 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
447 (distclean-extra): New rule.
448 * sim-main.h: Include bfd.h.
449 (MIPS_MACH): New macro.
450 * mips.igen (vr4120, vr5400, vr5500): New models.
451 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
452 * vr.igen: Replace with new version.
453
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4542003-01-04 Chris Demetriou <cgd@broadcom.com>
455
456 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
457 * configure: Regenerate.
458
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4592002-12-31 Chris Demetriou <cgd@broadcom.com>
460
461 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
462 * mips.igen: Remove all invocations of check_branch_bug and
463 mark_branch_bug.
464
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4652002-12-16 Chris Demetriou <cgd@broadcom.com>
466
467 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
468
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4692002-07-30 Chris Demetriou <cgd@broadcom.com>
470
471 * mips.igen (do_load_double, do_store_double): New functions.
472 (LDC1, SDC1): Rename to...
473 (LDC1b, SDC1b): respectively.
474 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
475
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4762002-07-29 Michael Snyder <msnyder@redhat.com>
477
478 * cp1.c (fp_recip2): Modify initialization expression so that
479 GCC will recognize it as constant.
480
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4812002-06-18 Chris Demetriou <cgd@broadcom.com>
482
483 * mdmx.c (SD_): Delete.
484 (Unpredictable): Re-define, for now, to directly invoke
485 unpredictable_action().
486 (mdmx_acc_op): Fix error in .ob immediate handling.
487
b4b6c939
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4882002-06-18 Andrew Cagney <cagney@redhat.com>
489
490 * interp.c (sim_firmware_command): Initialize `address'.
491
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4922002-06-16 Andrew Cagney <ac131313@redhat.com>
493
494 * configure: Regenerated to track ../common/aclocal.m4 changes.
495
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4962002-06-14 Chris Demetriou <cgd@broadcom.com>
497 Ed Satterthwaite <ehs@broadcom.com>
498
499 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
500 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
501 * mips.igen: Include mips3d.igen.
502 (mips3d): New model name for MIPS-3D ASE instructions.
503 (CVT.W.fmt): Don't use this instruction for word (source) format
504 instructions.
505 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
506 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
507 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
508 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
509 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
510 (RSquareRoot1, RSquareRoot2): New macros.
511 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
512 (fp_rsqrt2): New functions.
513 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
514 * configure: Regenerate.
515
3a2b820e 5162002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 517 Ed Satterthwaite <ehs@broadcom.com>
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518
519 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
520 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
521 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
522 (convert): Note that this function is not used for paired-single
523 format conversions.
524 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
525 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
526 (check_fmt_p): Enable paired-single support.
527 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
528 (PUU.PS): New instructions.
529 (CVT.S.fmt): Don't use this instruction for paired-single format
530 destinations.
531 * sim-main.h (FP_formats): New value 'fmt_ps.'
532 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
533 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
534
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5352002-06-12 Chris Demetriou <cgd@broadcom.com>
536
537 * mips.igen: Fix formatting of function calls in
538 many FP operations.
539
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5402002-06-12 Chris Demetriou <cgd@broadcom.com>
541
542 * mips.igen (MOVN, MOVZ): Trace result.
543 (TNEI): Print "tnei" as the opcode name in traces.
544 (CEIL.W): Add disassembly string for traces.
545 (RSQRT.fmt): Make location of disassembly string consistent
546 with other instructions.
547
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5482002-06-12 Chris Demetriou <cgd@broadcom.com>
549
550 * mips.igen (X): Delete unused function.
551
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5522002-06-08 Andrew Cagney <cagney@redhat.com>
553
554 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
555
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5562002-06-07 Chris Demetriou <cgd@broadcom.com>
557 Ed Satterthwaite <ehs@broadcom.com>
558
559 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
560 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
561 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
562 (fp_nmsub): New prototypes.
563 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
564 (NegMultiplySub): New defines.
565 * mips.igen (RSQRT.fmt): Use RSquareRoot().
566 (MADD.D, MADD.S): Replace with...
567 (MADD.fmt): New instruction.
568 (MSUB.D, MSUB.S): Replace with...
569 (MSUB.fmt): New instruction.
570 (NMADD.D, NMADD.S): Replace with...
571 (NMADD.fmt): New instruction.
572 (NMSUB.D, MSUB.S): Replace with...
573 (NMSUB.fmt): New instruction.
574
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5752002-06-07 Chris Demetriou <cgd@broadcom.com>
576 Ed Satterthwaite <ehs@broadcom.com>
577
578 * cp1.c: Fix more comment spelling and formatting.
579 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
580 (denorm_mode): New function.
581 (fpu_unary, fpu_binary): Round results after operation, collect
582 status from rounding operations, and update the FCSR.
583 (convert): Collect status from integer conversions and rounding
584 operations, and update the FCSR. Adjust NaN values that result
585 from conversions. Convert to use sim_io_eprintf rather than
586 fprintf, and remove some debugging code.
587 * cp1.h (fenr_FS): New define.
588
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5892002-06-07 Chris Demetriou <cgd@broadcom.com>
590
591 * cp1.c (convert): Remove unusable debugging code, and move MIPS
592 rounding mode to sim FP rounding mode flag conversion code into...
593 (rounding_mode): New function.
594
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5952002-06-07 Chris Demetriou <cgd@broadcom.com>
596
597 * cp1.c: Clean up formatting of a few comments.
598 (value_fpr): Reformat switch statement.
599
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6002002-06-06 Chris Demetriou <cgd@broadcom.com>
601 Ed Satterthwaite <ehs@broadcom.com>
602
603 * cp1.h: New file.
604 * sim-main.h: Include cp1.h.
605 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
606 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
607 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
608 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
609 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
610 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
611 * cp1.c: Don't include sim-fpu.h; already included by
612 sim-main.h. Clean up formatting of some comments.
613 (NaN, Equal, Less): Remove.
614 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
615 (fp_cmp): New functions.
616 * mips.igen (do_c_cond_fmt): Remove.
617 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
618 Compare. Add result tracing.
619 (CxC1): Remove, replace with...
620 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
621 (DMxC1): Remove, replace with...
622 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
623 (MxC1): Remove, replace with...
624 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
625
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6262002-06-04 Chris Demetriou <cgd@broadcom.com>
627
628 * sim-main.h (FGRIDX): Remove, replace all uses with...
629 (FGR_BASE): New macro.
630 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
631 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
632 (NR_FGR, FGR): Likewise.
633 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
634 * mips.igen: Likewise.
635
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6362002-06-04 Chris Demetriou <cgd@broadcom.com>
637
638 * cp1.c: Add an FSF Copyright notice to this file.
639
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6402002-06-04 Chris Demetriou <cgd@broadcom.com>
641 Ed Satterthwaite <ehs@broadcom.com>
642
643 * cp1.c (Infinity): Remove.
644 * sim-main.h (Infinity): Likewise.
645
646 * cp1.c (fp_unary, fp_binary): New functions.
647 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
648 (fp_sqrt): New functions, implemented in terms of the above.
649 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
650 (Recip, SquareRoot): Remove (replaced by functions above).
651 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
652 (fp_recip, fp_sqrt): New prototypes.
653 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
654 (Recip, SquareRoot): Replace prototypes with #defines which
655 invoke the functions above.
656
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6572002-06-03 Chris Demetriou <cgd@broadcom.com>
658
659 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
660 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
661 file, remove PARAMS from prototypes.
662 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
663 simulator state arguments.
664 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
665 pass simulator state arguments.
666 * cp1.c (SD): Redefine as CPU_STATE(cpu).
667 (store_fpr, convert): Remove 'sd' argument.
668 (value_fpr): Likewise. Convert to use 'SD' instead.
669
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6702002-06-03 Chris Demetriou <cgd@broadcom.com>
671
672 * cp1.c (Min, Max): Remove #if 0'd functions.
673 * sim-main.h (Min, Max): Remove.
674
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6752002-06-03 Chris Demetriou <cgd@broadcom.com>
676
677 * cp1.c: fix formatting of switch case and default labels.
678 * interp.c: Likewise.
679 * sim-main.c: Likewise.
680
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6812002-06-03 Chris Demetriou <cgd@broadcom.com>
682
683 * cp1.c: Clean up comments which describe FP formats.
684 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
685
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6862002-06-03 Chris Demetriou <cgd@broadcom.com>
687 Ed Satterthwaite <ehs@broadcom.com>
688
689 * configure.in (mipsisa64sb1*-*-*): New target for supporting
690 Broadcom SiByte SB-1 processor configurations.
691 * configure: Regenerate.
692 * sb1.igen: New file.
693 * mips.igen: Include sb1.igen.
694 (sb1): New model.
695 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
696 * mdmx.igen: Add "sb1" model to all appropriate functions and
697 instructions.
698 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
699 (ob_func, ob_acc): Reference the above.
700 (qh_acc): Adjust to keep the same size as ob_acc.
701 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
702 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
703
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7042002-06-03 Chris Demetriou <cgd@broadcom.com>
705
706 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
707
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7082002-06-02 Chris Demetriou <cgd@broadcom.com>
709 Ed Satterthwaite <ehs@broadcom.com>
710
711 * mips.igen (mdmx): New (pseudo-)model.
712 * mdmx.c, mdmx.igen: New files.
713 * Makefile.in (SIM_OBJS): Add mdmx.o.
714 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
715 New typedefs.
716 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
717 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
718 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
719 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
720 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
721 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
722 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
723 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
724 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
725 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
726 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
727 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
728 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
729 (qh_fmtsel): New macros.
730 (_sim_cpu): New member "acc".
731 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
732 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
733
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7342002-05-01 Chris Demetriou <cgd@broadcom.com>
735
736 * interp.c: Use 'deprecated' rather than 'depreciated.'
737 * sim-main.h: Likewise.
738
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7392002-05-01 Chris Demetriou <cgd@broadcom.com>
740
741 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
742 which wouldn't compile anyway.
743 * sim-main.h (unpredictable_action): New function prototype.
744 (Unpredictable): Define to call igen function unpredictable().
745 (NotWordValue): New macro to call igen function not_word_value().
746 (UndefinedResult): Remove.
747 * interp.c (undefined_result): Remove.
748 (unpredictable_action): New function.
749 * mips.igen (not_word_value, unpredictable): New functions.
750 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
751 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
752 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
753 NotWordValue() to check for unpredictable inputs, then
754 Unpredictable() to handle them.
755
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7562002-02-24 Chris Demetriou <cgd@broadcom.com>
757
758 * mips.igen: Fix formatting of calls to Unpredictable().
759
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7602002-04-20 Andrew Cagney <ac131313@redhat.com>
761
762 * interp.c (sim_open): Revert previous change.
763
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7642002-04-18 Alexandre Oliva <aoliva@redhat.com>
765
766 * interp.c (sim_open): Disable chunk of code that wrote code in
767 vector table entries.
768
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7692002-03-19 Chris Demetriou <cgd@broadcom.com>
770
771 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
772 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
773 unused definitions.
774
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7752002-03-19 Chris Demetriou <cgd@broadcom.com>
776
777 * cp1.c: Fix many formatting issues.
778
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7792002-03-19 Chris G. Demetriou <cgd@broadcom.com>
780
781 * cp1.c (fpu_format_name): New function to replace...
782 (DOFMT): This. Delete, and update all callers.
783 (fpu_rounding_mode_name): New function to replace...
784 (RMMODE): This. Delete, and update all callers.
785
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7862002-03-19 Chris G. Demetriou <cgd@broadcom.com>
787
788 * interp.c: Move FPU support routines from here to...
789 * cp1.c: Here. New file.
790 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
791 (cp1.o): New target.
792
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7932002-03-12 Chris Demetriou <cgd@broadcom.com>
794
795 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
796 * mips.igen (mips32, mips64): New models, add to all instructions
797 and functions as appropriate.
798 (loadstore_ea, check_u64): New variant for model mips64.
799 (check_fmt_p): New variant for models mipsV and mips64, remove
800 mipsV model marking fro other variant.
801 (SLL) Rename to...
802 (SLLa) this.
803 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
804 for mips32 and mips64.
805 (DCLO, DCLZ): New instructions for mips64.
806
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8072002-03-07 Chris Demetriou <cgd@broadcom.com>
808
809 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
810 immediate or code as a hex value with the "%#lx" format.
811 (ANDI): Likewise, and fix printed instruction name.
812
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8132002-03-05 Chris Demetriou <cgd@broadcom.com>
814
815 * sim-main.h (UndefinedResult, Unpredictable): New macros
816 which currently do nothing.
817
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8182002-03-05 Chris Demetriou <cgd@broadcom.com>
819
820 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
821 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
822 (status_CU3): New definitions.
823
824 * sim-main.h (ExceptionCause): Add new values for MIPS32
825 and MIPS64: MDMX, MCheck, CacheErr. Update comments
826 for DebugBreakPoint and NMIReset to note their status in
827 MIPS32 and MIPS64.
828 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
829 (SignalExceptionCacheErr): New exception macros.
830
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8312002-03-05 Chris Demetriou <cgd@broadcom.com>
832
833 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
834 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
835 is always enabled.
836 (SignalExceptionCoProcessorUnusable): Take as argument the
837 unusable coprocessor number.
838
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8392002-03-05 Chris Demetriou <cgd@broadcom.com>
840
841 * mips.igen: Fix formatting of all SignalException calls.
842
97a88e93 8432002-03-05 Chris Demetriou <cgd@broadcom.com>
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844
845 * sim-main.h (SIGNEXTEND): Remove.
846
97a88e93 8472002-03-04 Chris Demetriou <cgd@broadcom.com>
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848
849 * mips.igen: Remove gencode comment from top of file, fix
850 spelling in another comment.
851
97a88e93 8522002-03-04 Chris Demetriou <cgd@broadcom.com>
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853
854 * mips.igen (check_fmt, check_fmt_p): New functions to check
855 whether specific floating point formats are usable.
856 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
857 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
858 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
859 Use the new functions.
860 (do_c_cond_fmt): Remove format checks...
861 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
862
97a88e93 8632002-03-03 Chris Demetriou <cgd@broadcom.com>
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864
865 * mips.igen: Fix formatting of check_fpu calls.
866
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8672002-03-03 Chris Demetriou <cgd@broadcom.com>
868
869 * mips.igen (FLOOR.L.fmt): Store correct destination register.
870
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8712002-03-03 Chris Demetriou <cgd@broadcom.com>
872
873 * mips.igen: Remove whitespace at end of lines.
874
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8752002-03-02 Chris Demetriou <cgd@broadcom.com>
876
877 * mips.igen (loadstore_ea): New function to do effective
878 address calculations.
879 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
880 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
881 CACHE): Use loadstore_ea to do effective address computations.
882
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8832002-03-02 Chris Demetriou <cgd@broadcom.com>
884
885 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
886 * mips.igen (LL, CxC1, MxC1): Likewise.
887
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8882002-03-02 Chris Demetriou <cgd@broadcom.com>
889
890 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
891 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
892 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
893 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
894 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
895 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
896 Don't split opcode fields by hand, use the opcode field values
897 provided by igen.
898
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8992002-03-01 Chris Demetriou <cgd@broadcom.com>
900
901 * mips.igen (do_divu): Fix spacing.
902
903 * mips.igen (do_dsllv): Move to be right before DSLLV,
904 to match the rest of the do_<shift> functions.
905
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9062002-03-01 Chris Demetriou <cgd@broadcom.com>
907
908 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
909 DSRL32, do_dsrlv): Trace inputs and results.
910
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9112002-03-01 Chris Demetriou <cgd@broadcom.com>
912
913 * mips.igen (CACHE): Provide instruction-printing string.
914
915 * interp.c (signal_exception): Comment tokens after #endif.
916
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9172002-02-28 Chris Demetriou <cgd@broadcom.com>
918
919 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
920 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
921 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
922 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
923 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
924 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
925 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
926 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
927
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9282002-02-28 Chris Demetriou <cgd@broadcom.com>
929
930 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
931 instruction-printing string.
932 (LWU): Use '64' as the filter flag.
933
91a177cf
CD
9342002-02-28 Chris Demetriou <cgd@broadcom.com>
935
936 * mips.igen (SDXC1): Fix instruction-printing string.
937
387f484a
CD
9382002-02-28 Chris Demetriou <cgd@broadcom.com>
939
940 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
941 filter flags "32,f".
942
3d81f391
CD
9432002-02-27 Chris Demetriou <cgd@broadcom.com>
944
945 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
946 as the filter flag.
947
af5107af
CD
9482002-02-27 Chris Demetriou <cgd@broadcom.com>
949
950 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
951 add a comma) so that it more closely match the MIPS ISA
952 documentation opcode partitioning.
953 (PREF): Put useful names on opcode fields, and include
954 instruction-printing string.
955
ca971540
CD
9562002-02-27 Chris Demetriou <cgd@broadcom.com>
957
958 * mips.igen (check_u64): New function which in the future will
959 check whether 64-bit instructions are usable and signal an
960 exception if not. Currently a no-op.
961 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
962 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
963 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
964 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
965
966 * mips.igen (check_fpu): New function which in the future will
967 check whether FPU instructions are usable and signal an exception
968 if not. Currently a no-op.
969 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
970 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
971 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
972 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
973 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
974 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
975 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
976 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
977
1c47a468
CD
9782002-02-27 Chris Demetriou <cgd@broadcom.com>
979
980 * mips.igen (do_load_left, do_load_right): Move to be immediately
981 following do_load.
982 (do_store_left, do_store_right): Move to be immediately following
983 do_store.
984
603a98e7
CD
9852002-02-27 Chris Demetriou <cgd@broadcom.com>
986
987 * mips.igen (mipsV): New model name. Also, add it to
988 all instructions and functions where it is appropriate.
989
c5d00cc7
CD
9902002-02-18 Chris Demetriou <cgd@broadcom.com>
991
992 * mips.igen: For all functions and instructions, list model
993 names that support that instruction one per line.
994
074e9cb8
CD
9952002-02-11 Chris Demetriou <cgd@broadcom.com>
996
997 * mips.igen: Add some additional comments about supported
998 models, and about which instructions go where.
999 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1000 order as is used in the rest of the file.
1001
9805e229
CD
10022002-02-11 Chris Demetriou <cgd@broadcom.com>
1003
1004 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1005 indicating that ALU32_END or ALU64_END are there to check
1006 for overflow.
1007 (DADD): Likewise, but also remove previous comment about
1008 overflow checking.
1009
f701dad2
CD
10102002-02-10 Chris Demetriou <cgd@broadcom.com>
1011
1012 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1013 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1014 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1015 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1016 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1017 fields (i.e., add and move commas) so that they more closely
1018 match the MIPS ISA documentation opcode partitioning.
1019
10202002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
1021
1022 * mips.igen (ADDI): Print immediate value.
1023 (BREAK): Print code.
1024 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1025 (SLL): Print "nop" specially, and don't run the code
1026 that does the shift for the "nop" case.
1027
9e52972e
FF
10282001-11-17 Fred Fish <fnf@redhat.com>
1029
1030 * sim-main.h (float_operation): Move enum declaration outside
1031 of _sim_cpu struct declaration.
1032
c0efbca4
JB
10332001-04-12 Jim Blandy <jimb@redhat.com>
1034
1035 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1036 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1037 set of the FCSR.
1038 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1039 PENDING_FILL, and you can get the intended effect gracefully by
1040 calling PENDING_SCHED directly.
1041
fb891446
BE
10422001-02-23 Ben Elliston <bje@redhat.com>
1043
1044 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1045 already defined elsewhere.
1046
8030f857
BE
10472001-02-19 Ben Elliston <bje@redhat.com>
1048
1049 * sim-main.h (sim_monitor): Return an int.
1050 * interp.c (sim_monitor): Add return values.
1051 (signal_exception): Handle error conditions from sim_monitor.
1052
56b48a7a
CD
10532001-02-08 Ben Elliston <bje@redhat.com>
1054
1055 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1056 (store_memory): Likewise, pass cia to sim_core_write*.
1057
d3ee60d9
FCE
10582000-10-19 Frank Ch. Eigler <fche@redhat.com>
1059
1060 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1061 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1062
071da002
AC
1063Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1064
1065 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1066 * Makefile.in: Don't delete *.igen when cleaning directory.
1067
a28c02cd
AC
1068Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1069
1070 * m16.igen (break): Call SignalException not sim_engine_halt.
1071
80ee11fa
AC
1072Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1073
1074 From Jason Eckhardt:
1075 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1076
673388c0
AC
1077Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1078
1079 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1080
4c0deff4
NC
10812000-05-24 Michael Hayes <mhayes@cygnus.com>
1082
1083 * mips.igen (do_dmultx): Fix typo.
1084
eb2d80b4
AC
1085Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1086
1087 * configure: Regenerated to track ../common/aclocal.m4 changes.
1088
dd37a34b
AC
1089Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1090
1091 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1092
4c0deff4
NC
10932000-04-12 Frank Ch. Eigler <fche@redhat.com>
1094
1095 * sim-main.h (GPR_CLEAR): Define macro.
1096
e30db738
AC
1097Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1098
1099 * interp.c (decode_coproc): Output long using %lx and not %s.
1100
cb7450ea
FCE
11012000-03-21 Frank Ch. Eigler <fche@redhat.com>
1102
1103 * interp.c (sim_open): Sort & extend dummy memory regions for
1104 --board=jmr3904 for eCos.
1105
a3027dd7
FCE
11062000-03-02 Frank Ch. Eigler <fche@redhat.com>
1107
1108 * configure: Regenerated.
1109
1110Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1111
1112 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1113 calls, conditional on the simulator being in verbose mode.
1114
dfcd3bfb
JM
1115Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1116
1117 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1118 cache don't get ReservedInstruction traps.
1119
c2d11a7d
JM
11201999-11-29 Mark Salter <msalter@cygnus.com>
1121
1122 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1123 to clear status bits in sdisr register. This is how the hardware works.
1124
1125 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1126 being used by cygmon.
1127
4ce44c66
JM
11281999-11-11 Andrew Haley <aph@cygnus.com>
1129
1130 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1131 instructions.
1132
cff3e48b
JM
1133Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1134
1135 * mips.igen (MULT): Correct previous mis-applied patch.
1136
d4f3574e
SS
1137Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1138
1139 * mips.igen (delayslot32): Handle sequence like
1140 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1141 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1142 (MULT): Actually pass the third register...
1143
11441999-09-03 Mark Salter <msalter@cygnus.com>
1145
1146 * interp.c (sim_open): Added more memory aliases for additional
1147 hardware being touched by cygmon on jmr3904 board.
1148
1149Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1150
1151 * configure: Regenerated to track ../common/aclocal.m4 changes.
1152
a0b3c4fd
JM
1153Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1154
1155 * interp.c (sim_store_register): Handle case where client - GDB -
1156 specifies that a 4 byte register is 8 bytes in size.
1157 (sim_fetch_register): Ditto.
1158
adf40b2e
JM
11591999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1160
1161 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1162 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1163 (idt_monitor_base): Base address for IDT monitor traps.
1164 (pmon_monitor_base): Ditto for PMON.
1165 (lsipmon_monitor_base): Ditto for LSI PMON.
1166 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1167 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1168 (sim_firmware_command): New function.
1169 (mips_option_handler): Call it for OPTION_FIRMWARE.
1170 (sim_open): Allocate memory for idt_monitor region. If "--board"
1171 option was given, add no monitor by default. Add BREAK hooks only if
1172 monitors are also there.
1173
43e526b9
JM
1174Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1175
1176 * interp.c (sim_monitor): Flush output before reading input.
1177
1178Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1179
1180 * tconfig.in (SIM_HANDLES_LMA): Always define.
1181
1182Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1183
1184 From Mark Salter <msalter@cygnus.com>:
1185 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1186 (sim_open): Add setup for BSP board.
1187
9846de1b
JM
1188Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1189
1190 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1191 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1192 them as unimplemented.
1193
cd0fc7c3
SS
11941999-05-08 Felix Lee <flee@cygnus.com>
1195
1196 * configure: Regenerated to track ../common/aclocal.m4 changes.
1197
7a292a7a
SS
11981999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1199
1200 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1201
1202Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1203
1204 * configure.in: Any mips64vr5*-*-* target should have
1205 -DTARGET_ENABLE_FR=1.
1206 (default_endian): Any mips64vr*el-*-* target should default to
1207 LITTLE_ENDIAN.
1208 * configure: Re-generate.
1209
12101999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1211
1212 * mips.igen (ldl): Extend from _16_, not 32.
1213
1214Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1215
1216 * interp.c (sim_store_register): Force registers written to by GDB
1217 into an un-interpreted state.
1218
c906108c
SS
12191999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1220
1221 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1222 CPU, start periodic background I/O polls.
1223 (tx3904sio_poll): New function: periodic I/O poller.
1224
12251998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1226
1227 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1228
1229Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1230
1231 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1232 case statement.
1233
12341998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1235
1236 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1237 (load_word): Call SIM_CORE_SIGNAL hook on error.
1238 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1239 starting. For exception dispatching, pass PC instead of NULL_CIA.
1240 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1241 * sim-main.h (COP0_BADVADDR): Define.
1242 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1243 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1244 (_sim_cpu): Add exc_* fields to store register value snapshots.
1245 * mips.igen (*): Replace memory-related SignalException* calls
1246 with references to SIM_CORE_SIGNAL hook.
1247
1248 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1249 fix.
1250 * sim-main.c (*): Minor warning cleanups.
1251
12521998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1253
1254 * m16.igen (DADDIU5): Correct type-o.
1255
1256Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1257
1258 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1259 variables.
1260
1261Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1262
1263 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1264 to include path.
1265 (interp.o): Add dependency on itable.h
1266 (oengine.c, gencode): Delete remaining references.
1267 (BUILT_SRC_FROM_GEN): Clean up.
1268
12691998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1270
1271 * vr4run.c: New.
1272 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1273 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1274 tmp-run-hack) : New.
1275 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1276 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1277 Drop the "64" qualifier to get the HACK generator working.
1278 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1279 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1280 qualifier to get the hack generator working.
1281 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1282 (DSLL): Use do_dsll.
1283 (DSLLV): Use do_dsllv.
1284 (DSRA): Use do_dsra.
1285 (DSRL): Use do_dsrl.
1286 (DSRLV): Use do_dsrlv.
1287 (BC1): Move *vr4100 to get the HACK generator working.
1288 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1289 get the HACK generator working.
1290 (MACC) Rename to get the HACK generator working.
1291 (DMACC,MACCS,DMACCS): Add the 64.
1292
12931998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1294
1295 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1296 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1297
12981998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1299
1300 * mips/interp.c (DEBUG): Cleanups.
1301
13021998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1303
1304 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1305 (tx3904sio_tickle): fflush after a stdout character output.
1306
13071998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1308
1309 * interp.c (sim_close): Uninstall modules.
1310
1311Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1312
1313 * sim-main.h, interp.c (sim_monitor): Change to global
1314 function.
1315
1316Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1317
1318 * configure.in (vr4100): Only include vr4100 instructions in
1319 simulator.
1320 * configure: Re-generate.
1321 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1322
1323Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1324
1325 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1326 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1327 true alternative.
1328
1329 * configure.in (sim_default_gen, sim_use_gen): Replace with
1330 sim_gen.
1331 (--enable-sim-igen): Delete config option. Always using IGEN.
1332 * configure: Re-generate.
1333
1334 * Makefile.in (gencode): Kill, kill, kill.
1335 * gencode.c: Ditto.
1336
1337Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1338
1339 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1340 bit mips16 igen simulator.
1341 * configure: Re-generate.
1342
1343 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1344 as part of vr4100 ISA.
1345 * vr.igen: Mark all instructions as 64 bit only.
1346
1347Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1348
1349 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1350 Pacify GCC.
1351
1352Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1353
1354 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1355 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1356 * configure: Re-generate.
1357
1358 * m16.igen (BREAK): Define breakpoint instruction.
1359 (JALX32): Mark instruction as mips16 and not r3900.
1360 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1361
1362 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1363
1364Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1365
1366 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1367 insn as a debug breakpoint.
1368
1369 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1370 pending.slot_size.
1371 (PENDING_SCHED): Clean up trace statement.
1372 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1373 (PENDING_FILL): Delay write by only one cycle.
1374 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1375
1376 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1377 of pending writes.
1378 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1379 32 & 64.
1380 (pending_tick): Move incrementing of index to FOR statement.
1381 (pending_tick): Only update PENDING_OUT after a write has occured.
1382
1383 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1384 build simulator.
1385 * configure: Re-generate.
1386
1387 * interp.c (sim_engine_run OLD): Delete explicit call to
1388 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1389
1390Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1391
1392 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1393 interrupt level number to match changed SignalExceptionInterrupt
1394 macro.
1395
1396Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1397
1398 * interp.c: #include "itable.h" if WITH_IGEN.
1399 (get_insn_name): New function.
1400 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1401 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1402
1403Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1404
1405 * configure: Rebuilt to inhale new common/aclocal.m4.
1406
1407Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1408
1409 * dv-tx3904sio.c: Include sim-assert.h.
1410
1411Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1412
1413 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1414 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1415 Reorganize target-specific sim-hardware checks.
1416 * configure: rebuilt.
1417 * interp.c (sim_open): For tx39 target boards, set
1418 OPERATING_ENVIRONMENT, add tx3904sio devices.
1419 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1420 ROM executables. Install dv-sockser into sim-modules list.
1421
1422 * dv-tx3904irc.c: Compiler warning clean-up.
1423 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1424 frequent hw-trace messages.
1425
1426Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1427
1428 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1429
1430Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1431
1432 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1433
1434 * vr.igen: New file.
1435 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1436 * mips.igen: Define vr4100 model. Include vr.igen.
1437Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1438
1439 * mips.igen (check_mf_hilo): Correct check.
1440
1441Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1442
1443 * sim-main.h (interrupt_event): Add prototype.
1444
1445 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1446 register_ptr, register_value.
1447 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1448
1449 * sim-main.h (tracefh): Make extern.
1450
1451Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1452
1453 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1454 Reduce unnecessarily high timer event frequency.
1455 * dv-tx3904cpu.c: Ditto for interrupt event.
1456
1457Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1458
1459 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1460 to allay warnings.
1461 (interrupt_event): Made non-static.
1462
1463 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1464 interchange of configuration values for external vs. internal
1465 clock dividers.
1466
1467Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1468
1469 * mips.igen (BREAK): Moved code to here for
1470 simulator-reserved break instructions.
1471 * gencode.c (build_instruction): Ditto.
1472 * interp.c (signal_exception): Code moved from here. Non-
1473 reserved instructions now use exception vector, rather
1474 than halting sim.
1475 * sim-main.h: Moved magic constants to here.
1476
1477Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1478
1479 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1480 register upon non-zero interrupt event level, clear upon zero
1481 event value.
1482 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1483 by passing zero event value.
1484 (*_io_{read,write}_buffer): Endianness fixes.
1485 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1486 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1487
1488 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1489 serial I/O and timer module at base address 0xFFFF0000.
1490
1491Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1492
1493 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1494 and BigEndianCPU.
1495
1496Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1497
1498 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1499 parts.
1500 * configure: Update.
1501
1502Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1503
1504 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1505 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1506 * configure.in: Include tx3904tmr in hw_device list.
1507 * configure: Rebuilt.
1508 * interp.c (sim_open): Instantiate three timer instances.
1509 Fix address typo of tx3904irc instance.
1510
1511Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1512
1513 * interp.c (signal_exception): SystemCall exception now uses
1514 the exception vector.
1515
1516Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1517
1518 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1519 to allay warnings.
1520
1521Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1522
1523 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1524
1525Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1526
1527 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1528
1529 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1530 sim-main.h. Declare a struct hw_descriptor instead of struct
1531 hw_device_descriptor.
1532
1533Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1534
1535 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1536 right bits and then re-align left hand bytes to correct byte
1537 lanes. Fix incorrect computation in do_store_left when loading
1538 bytes from second word.
1539
1540Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1541
1542 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1543 * interp.c (sim_open): Only create a device tree when HW is
1544 enabled.
1545
1546 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1547 * interp.c (signal_exception): Ditto.
1548
1549Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1550
1551 * gencode.c: Mark BEGEZALL as LIKELY.
1552
1553Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1554
1555 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1556 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1557
1558Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1559
1560 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1561 modules. Recognize TX39 target with "mips*tx39" pattern.
1562 * configure: Rebuilt.
1563 * sim-main.h (*): Added many macros defining bits in
1564 TX39 control registers.
1565 (SignalInterrupt): Send actual PC instead of NULL.
1566 (SignalNMIReset): New exception type.
1567 * interp.c (board): New variable for future use to identify
1568 a particular board being simulated.
1569 (mips_option_handler,mips_options): Added "--board" option.
1570 (interrupt_event): Send actual PC.
1571 (sim_open): Make memory layout conditional on board setting.
1572 (signal_exception): Initial implementation of hardware interrupt
1573 handling. Accept another break instruction variant for simulator
1574 exit.
1575 (decode_coproc): Implement RFE instruction for TX39.
1576 (mips.igen): Decode RFE instruction as such.
1577 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1578 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1579 bbegin to implement memory map.
1580 * dv-tx3904cpu.c: New file.
1581 * dv-tx3904irc.c: New file.
1582
1583Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1584
1585 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1586
1587Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1588
1589 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1590 with calls to check_div_hilo.
1591
1592Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1593
1594 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1595 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1596 Add special r3900 version of do_mult_hilo.
1597 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1598 with calls to check_mult_hilo.
1599 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1600 with calls to check_div_hilo.
1601
1602Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1603
1604 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1605 Document a replacement.
1606
1607Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1608
1609 * interp.c (sim_monitor): Make mon_printf work.
1610
1611Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1612
1613 * sim-main.h (INSN_NAME): New arg `cpu'.
1614
1615Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1616
1617 * configure: Regenerated to track ../common/aclocal.m4 changes.
1618
1619Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1620
1621 * configure: Regenerated to track ../common/aclocal.m4 changes.
1622 * config.in: Ditto.
1623
1624Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1625
1626 * acconfig.h: New file.
1627 * configure.in: Reverted change of Apr 24; use sinclude again.
1628
1629Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1630
1631 * configure: Regenerated to track ../common/aclocal.m4 changes.
1632 * config.in: Ditto.
1633
1634Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1635
1636 * configure.in: Don't call sinclude.
1637
1638Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1639
1640 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1641
1642Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1643
1644 * mips.igen (ERET): Implement.
1645
1646 * interp.c (decode_coproc): Return sign-extended EPC.
1647
1648 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1649
1650 * interp.c (signal_exception): Do not ignore Trap.
1651 (signal_exception): On TRAP, restart at exception address.
1652 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1653 (signal_exception): Update.
1654 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1655 so that TRAP instructions are caught.
1656
1657Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1658
1659 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1660 contains HI/LO access history.
1661 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1662 (HIACCESS, LOACCESS): Delete, replace with
1663 (HIHISTORY, LOHISTORY): New macros.
1664 (CHECKHILO): Delete all, moved to mips.igen
1665
1666 * gencode.c (build_instruction): Do not generate checks for
1667 correct HI/LO register usage.
1668
1669 * interp.c (old_engine_run): Delete checks for correct HI/LO
1670 register usage.
1671
1672 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1673 check_mf_cycles): New functions.
1674 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1675 do_divu, domultx, do_mult, do_multu): Use.
1676
1677 * tx.igen ("madd", "maddu"): Use.
1678
1679Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1680
1681 * mips.igen (DSRAV): Use function do_dsrav.
1682 (SRAV): Use new function do_srav.
1683
1684 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1685 (B): Sign extend 11 bit immediate.
1686 (EXT-B*): Shift 16 bit immediate left by 1.
1687 (ADDIU*): Don't sign extend immediate value.
1688
1689Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1690
1691 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1692
1693 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1694 functions.
1695
1696 * mips.igen (delayslot32, nullify_next_insn): New functions.
1697 (m16.igen): Always include.
1698 (do_*): Add more tracing.
1699
1700 * m16.igen (delayslot16): Add NIA argument, could be called by a
1701 32 bit MIPS16 instruction.
1702
1703 * interp.c (ifetch16): Move function from here.
1704 * sim-main.c (ifetch16): To here.
1705
1706 * sim-main.c (ifetch16, ifetch32): Update to match current
1707 implementations of LH, LW.
1708 (signal_exception): Don't print out incorrect hex value of illegal
1709 instruction.
1710
1711Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1712
1713 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1714 instruction.
1715
1716 * m16.igen: Implement MIPS16 instructions.
1717
1718 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1719 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1720 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1721 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1722 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1723 bodies of corresponding code from 32 bit insn to these. Also used
1724 by MIPS16 versions of functions.
1725
1726 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1727 (IMEM16): Drop NR argument from macro.
1728
1729Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1730
1731 * Makefile.in (SIM_OBJS): Add sim-main.o.
1732
1733 * sim-main.h (address_translation, load_memory, store_memory,
1734 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1735 as INLINE_SIM_MAIN.
1736 (pr_addr, pr_uword64): Declare.
1737 (sim-main.c): Include when H_REVEALS_MODULE_P.
1738
1739 * interp.c (address_translation, load_memory, store_memory,
1740 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1741 from here.
1742 * sim-main.c: To here. Fix compilation problems.
1743
1744 * configure.in: Enable inlining.
1745 * configure: Re-config.
1746
1747Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1748
1749 * configure: Regenerated to track ../common/aclocal.m4 changes.
1750
1751Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1752
1753 * mips.igen: Include tx.igen.
1754 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1755 * tx.igen: New file, contains MADD and MADDU.
1756
1757 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1758 the hardwired constant `7'.
1759 (store_memory): Ditto.
1760 (LOADDRMASK): Move definition to sim-main.h.
1761
1762 mips.igen (MTC0): Enable for r3900.
1763 (ADDU): Add trace.
1764
1765 mips.igen (do_load_byte): Delete.
1766 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1767 do_store_right): New functions.
1768 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1769
1770 configure.in: Let the tx39 use igen again.
1771 configure: Update.
1772
1773Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1774
1775 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1776 not an address sized quantity. Return zero for cache sizes.
1777
1778Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1779
1780 * mips.igen (r3900): r3900 does not support 64 bit integer
1781 operations.
1782
1783Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1784
1785 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1786 than igen one.
1787 * configure : Rebuild.
1788
1789Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1790
1791 * configure: Regenerated to track ../common/aclocal.m4 changes.
1792
1793Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1794
1795 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1796
1797Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1798
1799 * configure: Regenerated to track ../common/aclocal.m4 changes.
1800 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1801
1802Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1803
1804 * configure: Regenerated to track ../common/aclocal.m4 changes.
1805
1806Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1807
1808 * interp.c (Max, Min): Comment out functions. Not yet used.
1809
1810Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1811
1812 * configure: Regenerated to track ../common/aclocal.m4 changes.
1813
1814Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1815
1816 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1817 configurable settings for stand-alone simulator.
1818
1819 * configure.in: Added X11 search, just in case.
1820
1821 * configure: Regenerated.
1822
1823Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1824
1825 * interp.c (sim_write, sim_read, load_memory, store_memory):
1826 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1827
1828Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1829
1830 * sim-main.h (GETFCC): Return an unsigned value.
1831
1832Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1833
1834 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1835 (DADD): Result destination is RD not RT.
1836
1837Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1838
1839 * sim-main.h (HIACCESS, LOACCESS): Always define.
1840
1841 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1842
1843 * interp.c (sim_info): Delete.
1844
1845Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1846
1847 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1848 (mips_option_handler): New argument `cpu'.
1849 (sim_open): Update call to sim_add_option_table.
1850
1851Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1852
1853 * mips.igen (CxC1): Add tracing.
1854
1855Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1856
1857 * sim-main.h (Max, Min): Declare.
1858
1859 * interp.c (Max, Min): New functions.
1860
1861 * mips.igen (BC1): Add tracing.
1862
1863Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1864
1865 * interp.c Added memory map for stack in vr4100
1866
1867Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1868
1869 * interp.c (load_memory): Add missing "break"'s.
1870
1871Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1872
1873 * interp.c (sim_store_register, sim_fetch_register): Pass in
1874 length parameter. Return -1.
1875
1876Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1877
1878 * interp.c: Added hardware init hook, fixed warnings.
1879
1880Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1881
1882 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1883
1884Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1885
1886 * interp.c (ifetch16): New function.
1887
1888 * sim-main.h (IMEM32): Rename IMEM.
1889 (IMEM16_IMMED): Define.
1890 (IMEM16): Define.
1891 (DELAY_SLOT): Update.
1892
1893 * m16run.c (sim_engine_run): New file.
1894
1895 * m16.igen: All instructions except LB.
1896 (LB): Call do_load_byte.
1897 * mips.igen (do_load_byte): New function.
1898 (LB): Call do_load_byte.
1899
1900 * mips.igen: Move spec for insn bit size and high bit from here.
1901 * Makefile.in (tmp-igen, tmp-m16): To here.
1902
1903 * m16.dc: New file, decode mips16 instructions.
1904
1905 * Makefile.in (SIM_NO_ALL): Define.
1906 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1907
1908Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1909
1910 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1911 point unit to 32 bit registers.
1912 * configure: Re-generate.
1913
1914Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1915
1916 * configure.in (sim_use_gen): Make IGEN the default simulator
1917 generator for generic 32 and 64 bit mips targets.
1918 * configure: Re-generate.
1919
1920Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1921
1922 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1923 bitsize.
1924
1925 * interp.c (sim_fetch_register, sim_store_register): Read/write
1926 FGR from correct location.
1927 (sim_open): Set size of FGR's according to
1928 WITH_TARGET_FLOATING_POINT_BITSIZE.
1929
1930 * sim-main.h (FGR): Store floating point registers in a separate
1931 array.
1932
1933Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1934
1935 * configure: Regenerated to track ../common/aclocal.m4 changes.
1936
1937Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1938
1939 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1940
1941 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1942
1943 * interp.c (pending_tick): New function. Deliver pending writes.
1944
1945 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1946 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1947 it can handle mixed sized quantites and single bits.
1948
1949Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1950
1951 * interp.c (oengine.h): Do not include when building with IGEN.
1952 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1953 (sim_info): Ditto for PROCESSOR_64BIT.
1954 (sim_monitor): Replace ut_reg with unsigned_word.
1955 (*): Ditto for t_reg.
1956 (LOADDRMASK): Define.
1957 (sim_open): Remove defunct check that host FP is IEEE compliant,
1958 using software to emulate floating point.
1959 (value_fpr, ...): Always compile, was conditional on HASFPU.
1960
1961Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1962
1963 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1964 size.
1965
1966 * interp.c (SD, CPU): Define.
1967 (mips_option_handler): Set flags in each CPU.
1968 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1969 (sim_close): Do not clear STATE, deleted anyway.
1970 (sim_write, sim_read): Assume CPU zero's vm should be used for
1971 data transfers.
1972 (sim_create_inferior): Set the PC for all processors.
1973 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1974 argument.
1975 (mips16_entry): Pass correct nr of args to store_word, load_word.
1976 (ColdReset): Cold reset all cpu's.
1977 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1978 (sim_monitor, load_memory, store_memory, signal_exception): Use
1979 `CPU' instead of STATE_CPU.
1980
1981
1982 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1983 SD or CPU_.
1984
1985 * sim-main.h (signal_exception): Add sim_cpu arg.
1986 (SignalException*): Pass both SD and CPU to signal_exception.
1987 * interp.c (signal_exception): Update.
1988
1989 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1990 Ditto
1991 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1992 address_translation): Ditto
1993 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1994
1995Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1996
1997 * configure: Regenerated to track ../common/aclocal.m4 changes.
1998
1999Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2000
2001 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2002
2003 * mips.igen (model): Map processor names onto BFD name.
2004
2005 * sim-main.h (CPU_CIA): Delete.
2006 (SET_CIA, GET_CIA): Define
2007
2008Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2009
2010 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2011 regiser.
2012
2013 * configure.in (default_endian): Configure a big-endian simulator
2014 by default.
2015 * configure: Re-generate.
2016
2017Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2018
2019 * configure: Regenerated to track ../common/aclocal.m4 changes.
2020
2021Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2022
2023 * interp.c (sim_monitor): Handle Densan monitor outbyte
2024 and inbyte functions.
2025
20261997-12-29 Felix Lee <flee@cygnus.com>
2027
2028 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2029
2030Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2031
2032 * Makefile.in (tmp-igen): Arrange for $zero to always be
2033 reset to zero after every instruction.
2034
2035Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2036
2037 * configure: Regenerated to track ../common/aclocal.m4 changes.
2038 * config.in: Ditto.
2039
2040Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2041
2042 * mips.igen (MSUB): Fix to work like MADD.
2043 * gencode.c (MSUB): Similarly.
2044
2045Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2046
2047 * configure: Regenerated to track ../common/aclocal.m4 changes.
2048
2049Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2050
2051 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2052
2053Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2054
2055 * sim-main.h (sim-fpu.h): Include.
2056
2057 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2058 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2059 using host independant sim_fpu module.
2060
2061Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2062
2063 * interp.c (signal_exception): Report internal errors with SIGABRT
2064 not SIGQUIT.
2065
2066 * sim-main.h (C0_CONFIG): New register.
2067 (signal.h): No longer include.
2068
2069 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2070
2071Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2072
2073 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2074
2075Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2076
2077 * mips.igen: Tag vr5000 instructions.
2078 (ANDI): Was missing mipsIV model, fix assembler syntax.
2079 (do_c_cond_fmt): New function.
2080 (C.cond.fmt): Handle mips I-III which do not support CC field
2081 separatly.
2082 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2083 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2084 in IV3.2 spec.
2085 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2086 vr5000 which saves LO in a GPR separatly.
2087
2088 * configure.in (enable-sim-igen): For vr5000, select vr5000
2089 specific instructions.
2090 * configure: Re-generate.
2091
2092Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2093
2094 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2095
2096 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2097 fmt_uninterpreted_64 bit cases to switch. Convert to
2098 fmt_formatted,
2099
2100 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2101
2102 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2103 as specified in IV3.2 spec.
2104 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2105
2106Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2107
2108 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2109 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2110 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2111 PENDING_FILL versions of instructions. Simplify.
2112 (X): New function.
2113 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2114 instructions.
2115 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2116 a signed value.
2117 (MTHI, MFHI): Disable code checking HI-LO.
2118
2119 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2120 global.
2121 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2122
2123Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2124
2125 * gencode.c (build_mips16_operands): Replace IPC with cia.
2126
2127 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2128 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2129 IPC to `cia'.
2130 (UndefinedResult): Replace function with macro/function
2131 combination.
2132 (sim_engine_run): Don't save PC in IPC.
2133
2134 * sim-main.h (IPC): Delete.
2135
2136
2137 * interp.c (signal_exception, store_word, load_word,
2138 address_translation, load_memory, store_memory, cache_op,
2139 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2140 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2141 current instruction address - cia - argument.
2142 (sim_read, sim_write): Call address_translation directly.
2143 (sim_engine_run): Rename variable vaddr to cia.
2144 (signal_exception): Pass cia to sim_monitor
2145
2146 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2147 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2148 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2149
2150 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2151 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2152 SIM_ASSERT.
2153
2154 * interp.c (signal_exception): Pass restart address to
2155 sim_engine_restart.
2156
2157 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2158 idecode.o): Add dependency.
2159
2160 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2161 Delete definitions
2162 (DELAY_SLOT): Update NIA not PC with branch address.
2163 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2164
2165 * mips.igen: Use CIA not PC in branch calculations.
2166 (illegal): Call SignalException.
2167 (BEQ, ADDIU): Fix assembler.
2168
2169Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2170
2171 * m16.igen (JALX): Was missing.
2172
2173 * configure.in (enable-sim-igen): New configuration option.
2174 * configure: Re-generate.
2175
2176 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2177
2178 * interp.c (load_memory, store_memory): Delete parameter RAW.
2179 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2180 bypassing {load,store}_memory.
2181
2182 * sim-main.h (ByteSwapMem): Delete definition.
2183
2184 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2185
2186 * interp.c (sim_do_command, sim_commands): Delete mips specific
2187 commands. Handled by module sim-options.
2188
2189 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2190 (WITH_MODULO_MEMORY): Define.
2191
2192 * interp.c (sim_info): Delete code printing memory size.
2193
2194 * interp.c (mips_size): Nee sim_size, delete function.
2195 (power2): Delete.
2196 (monitor, monitor_base, monitor_size): Delete global variables.
2197 (sim_open, sim_close): Delete code creating monitor and other
2198 memory regions. Use sim-memopts module, via sim_do_commandf, to
2199 manage memory regions.
2200 (load_memory, store_memory): Use sim-core for memory model.
2201
2202 * interp.c (address_translation): Delete all memory map code
2203 except line forcing 32 bit addresses.
2204
2205Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2206
2207 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2208 trace options.
2209
2210 * interp.c (logfh, logfile): Delete globals.
2211 (sim_open, sim_close): Delete code opening & closing log file.
2212 (mips_option_handler): Delete -l and -n options.
2213 (OPTION mips_options): Ditto.
2214
2215 * interp.c (OPTION mips_options): Rename option trace to dinero.
2216 (mips_option_handler): Update.
2217
2218Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2219
2220 * interp.c (fetch_str): New function.
2221 (sim_monitor): Rewrite using sim_read & sim_write.
2222 (sim_open): Check magic number.
2223 (sim_open): Write monitor vectors into memory using sim_write.
2224 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2225 (sim_read, sim_write): Simplify - transfer data one byte at a
2226 time.
2227 (load_memory, store_memory): Clarify meaning of parameter RAW.
2228
2229 * sim-main.h (isHOST): Defete definition.
2230 (isTARGET): Mark as depreciated.
2231 (address_translation): Delete parameter HOST.
2232
2233 * interp.c (address_translation): Delete parameter HOST.
2234
2235Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2236
2237 * mips.igen:
2238
2239 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2240 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2241
2242Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2243
2244 * mips.igen: Add model filter field to records.
2245
2246Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2247
2248 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2249
2250 interp.c (sim_engine_run): Do not compile function sim_engine_run
2251 when WITH_IGEN == 1.
2252
2253 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2254 target architecture.
2255
2256 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2257 igen. Replace with configuration variables sim_igen_flags /
2258 sim_m16_flags.
2259
2260 * m16.igen: New file. Copy mips16 insns here.
2261 * mips.igen: From here.
2262
2263Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2264
2265 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2266 to top.
2267 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2268
2269Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2270
2271 * gencode.c (build_instruction): Follow sim_write's lead in using
2272 BigEndianMem instead of !ByteSwapMem.
2273
2274Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2275
2276 * configure.in (sim_gen): Dependent on target, select type of
2277 generator. Always select old style generator.
2278
2279 configure: Re-generate.
2280
2281 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2282 targets.
2283 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2284 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2285 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2286 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2287 SIM_@sim_gen@_*, set by autoconf.
2288
2289Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2290
2291 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2292
2293 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2294 CURRENT_FLOATING_POINT instead.
2295
2296 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2297 (address_translation): Raise exception InstructionFetch when
2298 translation fails and isINSTRUCTION.
2299
2300 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2301 sim_engine_run): Change type of of vaddr and paddr to
2302 address_word.
2303 (address_translation, prefetch, load_memory, store_memory,
2304 cache_op): Change type of vAddr and pAddr to address_word.
2305
2306 * gencode.c (build_instruction): Change type of vaddr and paddr to
2307 address_word.
2308
2309Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2310
2311 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2312 macro to obtain result of ALU op.
2313
2314Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2315
2316 * interp.c (sim_info): Call profile_print.
2317
2318Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2319
2320 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2321
2322 * sim-main.h (WITH_PROFILE): Do not define, defined in
2323 common/sim-config.h. Use sim-profile module.
2324 (simPROFILE): Delete defintion.
2325
2326 * interp.c (PROFILE): Delete definition.
2327 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2328 (sim_close): Delete code writing profile histogram.
2329 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2330 Delete.
2331 (sim_engine_run): Delete code profiling the PC.
2332
2333Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2334
2335 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2336
2337 * interp.c (sim_monitor): Make register pointers of type
2338 unsigned_word*.
2339
2340 * sim-main.h: Make registers of type unsigned_word not
2341 signed_word.
2342
2343Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2344
2345 * interp.c (sync_operation): Rename from SyncOperation, make
2346 global, add SD argument.
2347 (prefetch): Rename from Prefetch, make global, add SD argument.
2348 (decode_coproc): Make global.
2349
2350 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2351
2352 * gencode.c (build_instruction): Generate DecodeCoproc not
2353 decode_coproc calls.
2354
2355 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2356 (SizeFGR): Move to sim-main.h
2357 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2358 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2359 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2360 sim-main.h.
2361 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2362 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2363 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2364 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2365 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2366 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2367
2368 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2369 exception.
2370 (sim-alu.h): Include.
2371 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2372 (sim_cia): Typedef to instruction_address.
2373
2374Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2375
2376 * Makefile.in (interp.o): Rename generated file engine.c to
2377 oengine.c.
2378
2379 * interp.c: Update.
2380
2381Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2382
2383 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2384
2385Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2386
2387 * gencode.c (build_instruction): For "FPSQRT", output correct
2388 number of arguments to Recip.
2389
2390Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2391
2392 * Makefile.in (interp.o): Depends on sim-main.h
2393
2394 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2395
2396 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2397 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2398 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2399 STATE, DSSTATE): Define
2400 (GPR, FGRIDX, ..): Define.
2401
2402 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2403 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2404 (GPR, FGRIDX, ...): Delete macros.
2405
2406 * interp.c: Update names to match defines from sim-main.h
2407
2408Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2409
2410 * interp.c (sim_monitor): Add SD argument.
2411 (sim_warning): Delete. Replace calls with calls to
2412 sim_io_eprintf.
2413 (sim_error): Delete. Replace calls with sim_io_error.
2414 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2415 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2416 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2417 argument.
2418 (mips_size): Rename from sim_size. Add SD argument.
2419
2420 * interp.c (simulator): Delete global variable.
2421 (callback): Delete global variable.
2422 (mips_option_handler, sim_open, sim_write, sim_read,
2423 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2424 sim_size,sim_monitor): Use sim_io_* not callback->*.
2425 (sim_open): ZALLOC simulator struct.
2426 (PROFILE): Do not define.
2427
2428Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2429
2430 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2431 support.h with corresponding code.
2432
2433 * sim-main.h (word64, uword64), support.h: Move definition to
2434 sim-main.h.
2435 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2436
2437 * support.h: Delete
2438 * Makefile.in: Update dependencies
2439 * interp.c: Do not include.
2440
2441Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2442
2443 * interp.c (address_translation, load_memory, store_memory,
2444 cache_op): Rename to from AddressTranslation et.al., make global,
2445 add SD argument
2446
2447 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2448 CacheOp): Define.
2449
2450 * interp.c (SignalException): Rename to signal_exception, make
2451 global.
2452
2453 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2454
2455 * sim-main.h (SignalException, SignalExceptionInterrupt,
2456 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2457 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2458 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2459 Define.
2460
2461 * interp.c, support.h: Use.
2462
2463Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2464
2465 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2466 to value_fpr / store_fpr. Add SD argument.
2467 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2468 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2469
2470 * sim-main.h (ValueFPR, StoreFPR): Define.
2471
2472Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2473
2474 * interp.c (sim_engine_run): Check consistency between configure
2475 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2476 and HASFPU.
2477
2478 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2479 (mips_fpu): Configure WITH_FLOATING_POINT.
2480 (mips_endian): Configure WITH_TARGET_ENDIAN.
2481 * configure: Update.
2482
2483Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2484
2485 * configure: Regenerated to track ../common/aclocal.m4 changes.
2486
2487Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2488
2489 * configure: Regenerated.
2490
2491Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2492
2493 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2494
2495Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2496
2497 * gencode.c (print_igen_insn_models): Assume certain architectures
2498 include all mips* instructions.
2499 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2500 instruction.
2501
2502 * Makefile.in (tmp.igen): Add target. Generate igen input from
2503 gencode file.
2504
2505 * gencode.c (FEATURE_IGEN): Define.
2506 (main): Add --igen option. Generate output in igen format.
2507 (process_instructions): Format output according to igen option.
2508 (print_igen_insn_format): New function.
2509 (print_igen_insn_models): New function.
2510 (process_instructions): Only issue warnings and ignore
2511 instructions when no FEATURE_IGEN.
2512
2513Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2514
2515 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2516 MIPS targets.
2517
2518Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2519
2520 * configure: Regenerated to track ../common/aclocal.m4 changes.
2521
2522Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2523
2524 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2525 SIM_RESERVED_BITS): Delete, moved to common.
2526 (SIM_EXTRA_CFLAGS): Update.
2527
2528Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2529
2530 * configure.in: Configure non-strict memory alignment.
2531 * configure: Regenerated to track ../common/aclocal.m4 changes.
2532
2533Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2534
2535 * configure: Regenerated to track ../common/aclocal.m4 changes.
2536
2537Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2538
2539 * gencode.c (SDBBP,DERET): Added (3900) insns.
2540 (RFE): Turn on for 3900.
2541 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2542 (dsstate): Made global.
2543 (SUBTARGET_R3900): Added.
2544 (CANCELDELAYSLOT): New.
2545 (SignalException): Ignore SystemCall rather than ignore and
2546 terminate. Add DebugBreakPoint handling.
2547 (decode_coproc): New insns RFE, DERET; and new registers Debug
2548 and DEPC protected by SUBTARGET_R3900.
2549 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2550 bits explicitly.
2551 * Makefile.in,configure.in: Add mips subtarget option.
2552 * configure: Update.
2553
2554Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2555
2556 * gencode.c: Add r3900 (tx39).
2557
2558
2559Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2560
2561 * gencode.c (build_instruction): Don't need to subtract 4 for
2562 JALR, just 2.
2563
2564Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2565
2566 * interp.c: Correct some HASFPU problems.
2567
2568Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2569
2570 * configure: Regenerated to track ../common/aclocal.m4 changes.
2571
2572Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2573
2574 * interp.c (mips_options): Fix samples option short form, should
2575 be `x'.
2576
2577Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2578
2579 * interp.c (sim_info): Enable info code. Was just returning.
2580
2581Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2582
2583 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2584 MFC0.
2585
2586Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2587
2588 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2589 constants.
2590 (build_instruction): Ditto for LL.
2591
2592Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2593
2594 * configure: Regenerated to track ../common/aclocal.m4 changes.
2595
2596Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2597
2598 * configure: Regenerated to track ../common/aclocal.m4 changes.
2599 * config.in: Ditto.
2600
2601Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2602
2603 * interp.c (sim_open): Add call to sim_analyze_program, update
2604 call to sim_config.
2605
2606Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2607
2608 * interp.c (sim_kill): Delete.
2609 (sim_create_inferior): Add ABFD argument. Set PC from same.
2610 (sim_load): Move code initializing trap handlers from here.
2611 (sim_open): To here.
2612 (sim_load): Delete, use sim-hload.c.
2613
2614 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2615
2616Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2617
2618 * configure: Regenerated to track ../common/aclocal.m4 changes.
2619 * config.in: Ditto.
2620
2621Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2622
2623 * interp.c (sim_open): Add ABFD argument.
2624 (sim_load): Move call to sim_config from here.
2625 (sim_open): To here. Check return status.
2626
2627Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2628
2629 * gencode.c (build_instruction): Two arg MADD should
2630 not assign result to $0.
2631
2632Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2633
2634 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2635 * sim/mips/configure.in: Regenerate.
2636
2637Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2638
2639 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2640 signed8, unsigned8 et.al. types.
2641
2642 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2643 hosts when selecting subreg.
2644
2645Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2646
2647 * interp.c (sim_engine_run): Reset the ZERO register to zero
2648 regardless of FEATURE_WARN_ZERO.
2649 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2650
2651Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2652
2653 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2654 (SignalException): For BreakPoints ignore any mode bits and just
2655 save the PC.
2656 (SignalException): Always set the CAUSE register.
2657
2658Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2659
2660 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2661 exception has been taken.
2662
2663 * interp.c: Implement the ERET and mt/f sr instructions.
2664
2665Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2666
2667 * interp.c (SignalException): Don't bother restarting an
2668 interrupt.
2669
2670Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2671
2672 * interp.c (SignalException): Really take an interrupt.
2673 (interrupt_event): Only deliver interrupts when enabled.
2674
2675Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2676
2677 * interp.c (sim_info): Only print info when verbose.
2678 (sim_info) Use sim_io_printf for output.
2679
2680Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2681
2682 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2683 mips architectures.
2684
2685Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2686
2687 * interp.c (sim_do_command): Check for common commands if a
2688 simulator specific command fails.
2689
2690Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2691
2692 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2693 and simBE when DEBUG is defined.
2694
2695Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2696
2697 * interp.c (interrupt_event): New function. Pass exception event
2698 onto exception handler.
2699
2700 * configure.in: Check for stdlib.h.
2701 * configure: Regenerate.
2702
2703 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2704 variable declaration.
2705 (build_instruction): Initialize memval1.
2706 (build_instruction): Add UNUSED attribute to byte, bigend,
2707 reverse.
2708 (build_operands): Ditto.
2709
2710 * interp.c: Fix GCC warnings.
2711 (sim_get_quit_code): Delete.
2712
2713 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2714 * Makefile.in: Ditto.
2715 * configure: Re-generate.
2716
2717 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2718
2719Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2720
2721 * interp.c (mips_option_handler): New function parse argumes using
2722 sim-options.
2723 (myname): Replace with STATE_MY_NAME.
2724 (sim_open): Delete check for host endianness - performed by
2725 sim_config.
2726 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2727 (sim_open): Move much of the initialization from here.
2728 (sim_load): To here. After the image has been loaded and
2729 endianness set.
2730 (sim_open): Move ColdReset from here.
2731 (sim_create_inferior): To here.
2732 (sim_open): Make FP check less dependant on host endianness.
2733
2734 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2735 run.
2736 * interp.c (sim_set_callbacks): Delete.
2737
2738 * interp.c (membank, membank_base, membank_size): Replace with
2739 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2740 (sim_open): Remove call to callback->init. gdb/run do this.
2741
2742 * interp.c: Update
2743
2744 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2745
2746 * interp.c (big_endian_p): Delete, replaced by
2747 current_target_byte_order.
2748
2749Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2750
2751 * interp.c (host_read_long, host_read_word, host_swap_word,
2752 host_swap_long): Delete. Using common sim-endian.
2753 (sim_fetch_register, sim_store_register): Use H2T.
2754 (pipeline_ticks): Delete. Handled by sim-events.
2755 (sim_info): Update.
2756 (sim_engine_run): Update.
2757
2758Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2759
2760 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2761 reason from here.
2762 (SignalException): To here. Signal using sim_engine_halt.
2763 (sim_stop_reason): Delete, moved to common.
2764
2765Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2766
2767 * interp.c (sim_open): Add callback argument.
2768 (sim_set_callbacks): Delete SIM_DESC argument.
2769 (sim_size): Ditto.
2770
2771Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2772
2773 * Makefile.in (SIM_OBJS): Add common modules.
2774
2775 * interp.c (sim_set_callbacks): Also set SD callback.
2776 (set_endianness, xfer_*, swap_*): Delete.
2777 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2778 Change to functions using sim-endian macros.
2779 (control_c, sim_stop): Delete, use common version.
2780 (simulate): Convert into.
2781 (sim_engine_run): This function.
2782 (sim_resume): Delete.
2783
2784 * interp.c (simulation): New variable - the simulator object.
2785 (sim_kind): Delete global - merged into simulation.
2786 (sim_load): Cleanup. Move PC assignment from here.
2787 (sim_create_inferior): To here.
2788
2789 * sim-main.h: New file.
2790 * interp.c (sim-main.h): Include.
2791
2792Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2793
2794 * configure: Regenerated to track ../common/aclocal.m4 changes.
2795
2796Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2797
2798 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2799
2800Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2801
2802 * gencode.c (build_instruction): DIV instructions: check
2803 for division by zero and integer overflow before using
2804 host's division operation.
2805
2806Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2807
2808 * Makefile.in (SIM_OBJS): Add sim-load.o.
2809 * interp.c: #include bfd.h.
2810 (target_byte_order): Delete.
2811 (sim_kind, myname, big_endian_p): New static locals.
2812 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2813 after argument parsing. Recognize -E arg, set endianness accordingly.
2814 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2815 load file into simulator. Set PC from bfd.
2816 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2817 (set_endianness): Use big_endian_p instead of target_byte_order.
2818
2819Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2820
2821 * interp.c (sim_size): Delete prototype - conflicts with
2822 definition in remote-sim.h. Correct definition.
2823
2824Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2825
2826 * configure: Regenerated to track ../common/aclocal.m4 changes.
2827 * config.in: Ditto.
2828
2829Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2830
2831 * interp.c (sim_open): New arg `kind'.
2832
2833 * configure: Regenerated to track ../common/aclocal.m4 changes.
2834
2835Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2836
2837 * configure: Regenerated to track ../common/aclocal.m4 changes.
2838
2839Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2840
2841 * interp.c (sim_open): Set optind to 0 before calling getopt.
2842
2843Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2844
2845 * configure: Regenerated to track ../common/aclocal.m4 changes.
2846
2847Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2848
2849 * interp.c : Replace uses of pr_addr with pr_uword64
2850 where the bit length is always 64 independent of SIM_ADDR.
2851 (pr_uword64) : added.
2852
2853Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2854
2855 * configure: Re-generate.
2856
2857Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2858
2859 * configure: Regenerate to track ../common/aclocal.m4 changes.
2860
2861Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2862
2863 * interp.c (sim_open): New SIM_DESC result. Argument is now
2864 in argv form.
2865 (other sim_*): New SIM_DESC argument.
2866
2867Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2868
2869 * interp.c: Fix printing of addresses for non-64-bit targets.
2870 (pr_addr): Add function to print address based on size.
2871
2872Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2873
2874 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2875
2876Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2877
2878 * gencode.c (build_mips16_operands): Correct computation of base
2879 address for extended PC relative instruction.
2880
2881Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2882
2883 * interp.c (mips16_entry): Add support for floating point cases.
2884 (SignalException): Pass floating point cases to mips16_entry.
2885 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2886 registers.
2887 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2888 or fmt_word.
2889 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2890 and then set the state to fmt_uninterpreted.
2891 (COP_SW): Temporarily set the state to fmt_word while calling
2892 ValueFPR.
2893
2894Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2895
2896 * gencode.c (build_instruction): The high order may be set in the
2897 comparison flags at any ISA level, not just ISA 4.
2898
2899Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2900
2901 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2902 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2903 * configure.in: sinclude ../common/aclocal.m4.
2904 * configure: Regenerated.
2905
2906Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2907
2908 * configure: Rebuild after change to aclocal.m4.
2909
2910Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2911
2912 * configure configure.in Makefile.in: Update to new configure
2913 scheme which is more compatible with WinGDB builds.
2914 * configure.in: Improve comment on how to run autoconf.
2915 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2916 * Makefile.in: Use autoconf substitution to install common
2917 makefile fragment.
2918
2919Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2920
2921 * gencode.c (build_instruction): Use BigEndianCPU instead of
2922 ByteSwapMem.
2923
2924Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2925
2926 * interp.c (sim_monitor): Make output to stdout visible in
2927 wingdb's I/O log window.
2928
2929Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2930
2931 * support.h: Undo previous change to SIGTRAP
2932 and SIGQUIT values.
2933
2934Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2935
2936 * interp.c (store_word, load_word): New static functions.
2937 (mips16_entry): New static function.
2938 (SignalException): Look for mips16 entry and exit instructions.
2939 (simulate): Use the correct index when setting fpr_state after
2940 doing a pending move.
2941
2942Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2943
2944 * interp.c: Fix byte-swapping code throughout to work on
2945 both little- and big-endian hosts.
2946
2947Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2948
2949 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2950 with gdb/config/i386/xm-windows.h.
2951
2952Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2953
2954 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2955 that messes up arithmetic shifts.
2956
2957Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2958
2959 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2960 SIGTRAP and SIGQUIT for _WIN32.
2961
2962Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2963
2964 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2965 force a 64 bit multiplication.
2966 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2967 destination register is 0, since that is the default mips16 nop
2968 instruction.
2969
2970Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2971
2972 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2973 (build_endian_shift): Don't check proc64.
2974 (build_instruction): Always set memval to uword64. Cast op2 to
2975 uword64 when shifting it left in memory instructions. Always use
2976 the same code for stores--don't special case proc64.
2977
2978 * gencode.c (build_mips16_operands): Fix base PC value for PC
2979 relative operands.
2980 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2981 jal instruction.
2982 * interp.c (simJALDELAYSLOT): Define.
2983 (JALDELAYSLOT): Define.
2984 (INDELAYSLOT, INJALDELAYSLOT): Define.
2985 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2986
2987Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2988
2989 * interp.c (sim_open): add flush_cache as a PMON routine
2990 (sim_monitor): handle flush_cache by ignoring it
2991
2992Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2993
2994 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2995 BigEndianMem.
2996 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2997 (BigEndianMem): Rename to ByteSwapMem and change sense.
2998 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2999 BigEndianMem references to !ByteSwapMem.
3000 (set_endianness): New function, with prototype.
3001 (sim_open): Call set_endianness.
3002 (sim_info): Use simBE instead of BigEndianMem.
3003 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3004 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3005 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3006 ifdefs, keeping the prototype declaration.
3007 (swap_word): Rewrite correctly.
3008 (ColdReset): Delete references to CONFIG. Delete endianness related
3009 code; moved to set_endianness.
3010
3011Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3012
3013 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3014 * interp.c (CHECKHILO): Define away.
3015 (simSIGINT): New macro.
3016 (membank_size): Increase from 1MB to 2MB.
3017 (control_c): New function.
3018 (sim_resume): Rename parameter signal to signal_number. Add local
3019 variable prev. Call signal before and after simulate.
3020 (sim_stop_reason): Add simSIGINT support.
3021 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3022 functions always.
3023 (sim_warning): Delete call to SignalException. Do call printf_filtered
3024 if logfh is NULL.
3025 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3026 a call to sim_warning.
3027
3028Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3029
3030 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3031 16 bit instructions.
3032
3033Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3034
3035 Add support for mips16 (16 bit MIPS implementation):
3036 * gencode.c (inst_type): Add mips16 instruction encoding types.
3037 (GETDATASIZEINSN): Define.
3038 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3039 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3040 mtlo.
3041 (MIPS16_DECODE): New table, for mips16 instructions.
3042 (bitmap_val): New static function.
3043 (struct mips16_op): Define.
3044 (mips16_op_table): New table, for mips16 operands.
3045 (build_mips16_operands): New static function.
3046 (process_instructions): If PC is odd, decode a mips16
3047 instruction. Break out instruction handling into new
3048 build_instruction function.
3049 (build_instruction): New static function, broken out of
3050 process_instructions. Check modifiers rather than flags for SHIFT
3051 bit count and m[ft]{hi,lo} direction.
3052 (usage): Pass program name to fprintf.
3053 (main): Remove unused variable this_option_optind. Change
3054 ``*loptarg++'' to ``loptarg++''.
3055 (my_strtoul): Parenthesize && within ||.
3056 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3057 (simulate): If PC is odd, fetch a 16 bit instruction, and
3058 increment PC by 2 rather than 4.
3059 * configure.in: Add case for mips16*-*-*.
3060 * configure: Rebuild.
3061
3062Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3063
3064 * interp.c: Allow -t to enable tracing in standalone simulator.
3065 Fix garbage output in trace file and error messages.
3066
3067Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3068
3069 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3070 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3071 * configure.in: Simplify using macros in ../common/aclocal.m4.
3072 * configure: Regenerated.
3073 * tconfig.in: New file.
3074
3075Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3076
3077 * interp.c: Fix bugs in 64-bit port.
3078 Use ansi function declarations for msvc compiler.
3079 Initialize and test file pointer in trace code.
3080 Prevent duplicate definition of LAST_EMED_REGNUM.
3081
3082Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3083
3084 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3085
3086Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3087
3088 * interp.c (SignalException): Check for explicit terminating
3089 breakpoint value.
3090 * gencode.c: Pass instruction value through SignalException()
3091 calls for Trap, Breakpoint and Syscall.
3092
3093Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3094
3095 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3096 only used on those hosts that provide it.
3097 * configure.in: Add sqrt() to list of functions to be checked for.
3098 * config.in: Re-generated.
3099 * configure: Re-generated.
3100
3101Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3102
3103 * gencode.c (process_instructions): Call build_endian_shift when
3104 expanding STORE RIGHT, to fix swr.
3105 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3106 clear the high bits.
3107 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3108 Fix float to int conversions to produce signed values.
3109
3110Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3111
3112 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3113 (process_instructions): Correct handling of nor instruction.
3114 Correct shift count for 32 bit shift instructions. Correct sign
3115 extension for arithmetic shifts to not shift the number of bits in
3116 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3117 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3118 Fix madd.
3119 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3120 It's OK to have a mult follow a mult. What's not OK is to have a
3121 mult follow an mfhi.
3122 (Convert): Comment out incorrect rounding code.
3123
3124Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3125
3126 * interp.c (sim_monitor): Improved monitor printf
3127 simulation. Tidied up simulator warnings, and added "--log" option
3128 for directing warning message output.
3129 * gencode.c: Use sim_warning() rather than WARNING macro.
3130
3131Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3132
3133 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3134 getopt1.o, rather than on gencode.c. Link objects together.
3135 Don't link against -liberty.
3136 (gencode.o, getopt.o, getopt1.o): New targets.
3137 * gencode.c: Include <ctype.h> and "ansidecl.h".
3138 (AND): Undefine after including "ansidecl.h".
3139 (ULONG_MAX): Define if not defined.
3140 (OP_*): Don't define macros; now defined in opcode/mips.h.
3141 (main): Call my_strtoul rather than strtoul.
3142 (my_strtoul): New static function.
3143
3144Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3145
3146 * gencode.c (process_instructions): Generate word64 and uword64
3147 instead of `long long' and `unsigned long long' data types.
3148 * interp.c: #include sysdep.h to get signals, and define default
3149 for SIGBUS.
3150 * (Convert): Work around for Visual-C++ compiler bug with type
3151 conversion.
3152 * support.h: Make things compile under Visual-C++ by using
3153 __int64 instead of `long long'. Change many refs to long long
3154 into word64/uword64 typedefs.
3155
3156Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3157
3158 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3159 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3160 (docdir): Removed.
3161 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3162 (AC_PROG_INSTALL): Added.
3163 (AC_PROG_CC): Moved to before configure.host call.
3164 * configure: Rebuilt.
3165
3166Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3167
3168 * configure.in: Define @SIMCONF@ depending on mips target.
3169 * configure: Rebuild.
3170 * Makefile.in (run): Add @SIMCONF@ to control simulator
3171 construction.
3172 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3173 * interp.c: Remove some debugging, provide more detailed error
3174 messages, update memory accesses to use LOADDRMASK.
3175
3176Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3177
3178 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3179 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3180 stamp-h.
3181 * configure: Rebuild.
3182 * config.in: New file, generated by autoheader.
3183 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3184 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3185 HAVE_ANINT and HAVE_AINT, as appropriate.
3186 * Makefile.in (run): Use @LIBS@ rather than -lm.
3187 (interp.o): Depend upon config.h.
3188 (Makefile): Just rebuild Makefile.
3189 (clean): Remove stamp-h.
3190 (mostlyclean): Make the same as clean, not as distclean.
3191 (config.h, stamp-h): New targets.
3192
3193Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3194
3195 * interp.c (ColdReset): Fix boolean test. Make all simulator
3196 globals static.
3197
3198Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3199
3200 * interp.c (xfer_direct_word, xfer_direct_long,
3201 swap_direct_word, swap_direct_long, xfer_big_word,
3202 xfer_big_long, xfer_little_word, xfer_little_long,
3203 swap_word,swap_long): Added.
3204 * interp.c (ColdReset): Provide function indirection to
3205 host<->simulated_target transfer routines.
3206 * interp.c (sim_store_register, sim_fetch_register): Updated to
3207 make use of indirected transfer routines.
3208
3209Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3210
3211 * gencode.c (process_instructions): Ensure FP ABS instruction
3212 recognised.
3213 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3214 system call support.
3215
3216Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3217
3218 * interp.c (sim_do_command): Complain if callback structure not
3219 initialised.
3220
3221Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3222
3223 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3224 support for Sun hosts.
3225 * Makefile.in (gencode): Ensure the host compiler and libraries
3226 used for cross-hosted build.
3227
3228Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3229
3230 * interp.c, gencode.c: Some more (TODO) tidying.
3231
3232Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3233
3234 * gencode.c, interp.c: Replaced explicit long long references with
3235 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3236 * support.h (SET64LO, SET64HI): Macros added.
3237
3238Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3239
3240 * configure: Regenerate with autoconf 2.7.
3241
3242Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3243
3244 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3245 * support.h: Remove superfluous "1" from #if.
3246 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3247
3248Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3249
3250 * interp.c (StoreFPR): Control UndefinedResult() call on
3251 WARN_RESULT manifest.
3252
3253Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3254
3255 * gencode.c: Tidied instruction decoding, and added FP instruction
3256 support.
3257
3258 * interp.c: Added dineroIII, and BSD profiling support. Also
3259 run-time FP handling.
3260
3261Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3262
3263 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3264 gencode.c, interp.c, support.h: created.