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12007-06-25 Richard Sandiford <richard@codesourcery.com>
2
0a7692b2 3 * Makefile.in (m16run.o): New rule.
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52007-05-15 Thiemo Seufer <ths@mips.com>
6
7 * mips3264r2.igen (DSHD): Fix compile warning.
8
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92007-05-14 Thiemo Seufer <ths@mips.com>
10
11 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
12 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
13 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
14 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
15 for mips32r2.
16
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172007-03-01 Thiemo Seufer <ths@mips.com>
18
19 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
20 and mips64.
21
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222007-02-20 Thiemo Seufer <ths@mips.com>
23
24 * dsp.igen: Update copyright notice.
25 * dsp2.igen: Fix copyright notice.
26
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272007-02-20 Thiemo Seufer <ths@mips.com>
28 Chao-Ying Fu <fu@mips.com>
29
30 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
31 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
32 Add dsp2 to sim_igen_machine.
33 * configure: Regenerate.
34 * dsp.igen (do_ph_op): Add MUL support when op = 2.
35 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
36 (mulq_rs.ph): Use do_ph_mulq.
37 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
38 * mips.igen: Add dsp2 model and include dsp2.igen.
39 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
40 for *mips32r2, *mips64r2, *dsp.
41 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
42 for *mips32r2, *mips64r2, *dsp2.
43 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
44
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452007-02-19 Thiemo Seufer <ths@mips.com>
46 Nigel Stephens <nigel@mips.com>
47
48 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
49 jumps with hazard barrier.
50
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512007-02-19 Thiemo Seufer <ths@mips.com>
52 Nigel Stephens <nigel@mips.com>
53
54 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
55 after each call to sim_io_write.
56
b1004875 572007-02-19 Thiemo Seufer <ths@mips.com>
07802d98 58 Nigel Stephens <nigel@mips.com>
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59
60 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
61 supported by this simulator.
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62 (decode_coproc): Recognise additional CP0 Config registers
63 correctly.
64
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652007-02-19 Thiemo Seufer <ths@mips.com>
66 Nigel Stephens <nigel@mips.com>
67 David Ung <davidu@mips.com>
68
69 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
70 uninterpreted formats. If fmt is one of the uninterpreted types
71 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
72 fmt_word, and fmt_uninterpreted_64 like fmt_long.
73 (store_fpr): When writing an invalid odd register, set the
74 matching even register to fmt_unknown, not the following register.
75 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
76 the the memory window at offset 0 set by --memory-size command
77 line option.
78 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
79 point register.
80 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
81 register.
82 (sim_monitor): When returning the memory size to the MIPS
83 application, use the value in STATE_MEM_SIZE, not an arbitrary
84 hardcoded value.
85 (cop_lw): Don' mess around with FPR_STATE, just pass
86 fmt_uninterpreted_32 to StoreFPR.
87 (cop_sw): Similarly.
88 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
89 (cop_sd): Similarly.
90 * mips.igen (not_word_value): Single version for mips32, mips64
91 and mips16.
92
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932007-02-19 Thiemo Seufer <ths@mips.com>
94 Nigel Stephens <nigel@mips.com>
95
96 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
97 MBytes.
98
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992007-02-17 Thiemo Seufer <ths@mips.com>
100
101 * configure.ac (mips*-sde-elf*): Move in front of generic machine
102 configuration.
103 * configure: Regenerate.
104
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1052007-02-17 Thiemo Seufer <ths@mips.com>
106
107 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
108 Add mdmx to sim_igen_machine.
109 (mipsisa64*-*-*): Likewise. Remove dsp.
110 (mipsisa32*-*-*): Remove dsp.
111 * configure: Regenerate.
112
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1132007-02-13 Thiemo Seufer <ths@mips.com>
114
115 * configure.ac: Add mips*-sde-elf* target.
116 * configure: Regenerate.
117
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1182006-12-21 Hans-Peter Nilsson <hp@axis.com>
119
120 * acconfig.h: Remove.
121 * config.in, configure: Regenerate.
122
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1232006-11-07 Thiemo Seufer <ths@mips.com>
124
125 * dsp.igen (do_w_op): Fix compiler warning.
126
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1272006-08-29 Thiemo Seufer <ths@mips.com>
128 David Ung <davidu@mips.com>
129
130 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
131 sim_igen_machine.
132 * configure: Regenerate.
133 * mips.igen (model): Add smartmips.
134 (MADDU): Increment ACX if carry.
135 (do_mult): Clear ACX.
136 (ROR,RORV): Add smartmips.
137 (include): Include smartmips.igen.
138 * sim-main.h (ACX): Set to REGISTERS[89].
139 * smartmips.igen: New file.
140
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1412006-08-29 Thiemo Seufer <ths@mips.com>
142 David Ung <davidu@mips.com>
143
144 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
145 mips3264r2.igen. Add missing dependency rules.
146 * m16e.igen: Support for mips16e save/restore instructions.
147
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1482006-06-13 Richard Earnshaw <rearnsha@arm.com>
149
150 * configure: Regenerated.
151
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1522006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
153
154 * configure: Regenerated.
155
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1562006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
157
158 * configure: Regenerated.
159
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1602006-05-15 Chao-ying Fu <fu@mips.com>
161
162 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
163
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1642006-04-18 Nick Clifton <nickc@redhat.com>
165
166 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
167 statement.
168
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1692006-03-29 Hans-Peter Nilsson <hp@axis.com>
170
171 * configure: Regenerate.
172
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1732005-12-14 Chao-ying Fu <fu@mips.com>
174
175 * Makefile.in (SIM_OBJS): Add dsp.o.
176 (dsp.o): New dependency.
177 (IGEN_INCLUDE): Add dsp.igen.
178 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
179 mipsisa64*-*-*): Add dsp to sim_igen_machine.
180 * configure: Regenerate.
181 * mips.igen: Add dsp model and include dsp.igen.
182 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
183 because these instructions are extended in DSP ASE.
184 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
185 adding 6 DSP accumulator registers and 1 DSP control register.
186 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
187 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
188 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
189 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
190 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
191 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
192 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
193 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
194 DSPCR_CCOND_SMASK): New define.
195 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
196 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
197
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1982005-07-08 Ian Lance Taylor <ian@airs.com>
199
200 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
201
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2022005-06-16 David Ung <davidu@mips.com>
203 Nigel Stephens <nigel@mips.com>
204
205 * mips.igen: New mips16e model and include m16e.igen.
206 (check_u64): Add mips16e tag.
207 * m16e.igen: New file for MIPS16e instructions.
208 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
209 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
210 models.
211 * configure: Regenerate.
212
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2132005-05-26 David Ung <davidu@mips.com>
214
215 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
216 tags to all instructions which are applicable to the new ISAs.
217 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
218 vr.igen.
219 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
220 instructions.
221 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
222 to mips.igen.
223 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
224 * configure: Regenerate.
225
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2262005-03-23 Mark Kettenis <kettenis@gnu.org>
227
228 * configure: Regenerate.
229
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2302005-01-14 Andrew Cagney <cagney@gnu.org>
231
232 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
233 explicit call to AC_CONFIG_HEADER.
234 * configure: Regenerate.
235
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2362005-01-12 Andrew Cagney <cagney@gnu.org>
237
238 * configure.ac: Update to use ../common/common.m4.
239 * configure: Re-generate.
240
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2412005-01-11 Andrew Cagney <cagney@localhost.localdomain>
242
243 * configure: Regenerated to track ../common/aclocal.m4 changes.
244
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2452005-01-07 Andrew Cagney <cagney@gnu.org>
246
247 * configure.ac: Rename configure.in, require autoconf 2.59.
248 * configure: Re-generate.
249
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2502004-12-08 Hans-Peter Nilsson <hp@axis.com>
251
252 * configure: Regenerate for ../common/aclocal.m4 update.
253
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2542004-09-24 Monika Chaddha <monika@acmet.com>
255
256 Committed by Andrew Cagney.
257 * m16.igen (CMP, CMPI): Fix assembler.
258
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2592004-08-18 Chris Demetriou <cgd@broadcom.com>
260
261 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
262 * configure: Regenerate.
263
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2642004-06-25 Chris Demetriou <cgd@broadcom.com>
265
266 * configure.in (sim_m16_machine): Include mipsIII.
267 * configure: Regenerate.
268
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2692004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
270
271 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
272 from COP0_BADVADDR.
273 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
274
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2752004-04-10 Chris Demetriou <cgd@broadcom.com>
276
277 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
278
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2792004-04-09 Chris Demetriou <cgd@broadcom.com>
280
281 * mips.igen (check_fmt): Remove.
282 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
283 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
284 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
285 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
286 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
287 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
288 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
289 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
290 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
291 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
292
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2932004-04-09 Chris Demetriou <cgd@broadcom.com>
294
295 * sb1.igen (check_sbx): New function.
296 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
297
11d66e66 2982004-03-29 Chris Demetriou <cgd@broadcom.com>
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299 Richard Sandiford <rsandifo@redhat.com>
300
301 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
302 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
303 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
304 separate implementations for mipsIV and mipsV. Use new macros to
305 determine whether the restrictions apply.
306
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3072004-01-19 Chris Demetriou <cgd@broadcom.com>
308
309 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
310 (check_mult_hilo): Improve comments.
311 (check_div_hilo): Likewise. Also, fork off a new version
312 to handle mips32/mips64 (since there are no hazards to check
313 in MIPS32/MIPS64).
314
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3152003-06-17 Richard Sandiford <rsandifo@redhat.com>
316
317 * mips.igen (do_dmultx): Fix check for negative operands.
318
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3192003-05-16 Ian Lance Taylor <ian@airs.com>
320
321 * Makefile.in (SHELL): Make sure this is defined.
322 (various): Use $(SHELL) whenever we invoke move-if-change.
323
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3242003-05-03 Chris Demetriou <cgd@broadcom.com>
325
326 * cp1.c: Tweak attribution slightly.
327 * cp1.h: Likewise.
328 * mdmx.c: Likewise.
329 * mdmx.igen: Likewise.
330 * mips3d.igen: Likewise.
331 * sb1.igen: Likewise.
332
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3332003-04-15 Richard Sandiford <rsandifo@redhat.com>
334
335 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
336 unsigned operands.
337
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3382003-02-27 Andrew Cagney <cagney@redhat.com>
339
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340 * interp.c (sim_open): Rename _bfd to bfd.
341 (sim_create_inferior): Ditto.
6b4a8935 342
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3432003-01-14 Chris Demetriou <cgd@broadcom.com>
344
345 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
346
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3472003-01-14 Chris Demetriou <cgd@broadcom.com>
348
349 * mips.igen (EI, DI): Remove.
350
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3512003-01-05 Richard Sandiford <rsandifo@redhat.com>
352
353 * Makefile.in (tmp-run-multi): Fix mips16 filter.
354
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3552003-01-04 Richard Sandiford <rsandifo@redhat.com>
356 Andrew Cagney <ac131313@redhat.com>
357 Gavin Romig-Koch <gavin@redhat.com>
358 Graydon Hoare <graydon@redhat.com>
359 Aldy Hernandez <aldyh@redhat.com>
360 Dave Brolley <brolley@redhat.com>
361 Chris Demetriou <cgd@broadcom.com>
362
363 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
364 (sim_mach_default): New variable.
365 (mips64vr-*-*, mips64vrel-*-*): New configurations.
366 Add a new simulator generator, MULTI.
367 * configure: Regenerate.
368 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
369 (multi-run.o): New dependency.
370 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
371 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
372 (tmp-multi): Combine them.
373 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
374 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
375 (distclean-extra): New rule.
376 * sim-main.h: Include bfd.h.
377 (MIPS_MACH): New macro.
378 * mips.igen (vr4120, vr5400, vr5500): New models.
379 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
380 * vr.igen: Replace with new version.
381
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3822003-01-04 Chris Demetriou <cgd@broadcom.com>
383
384 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
385 * configure: Regenerate.
386
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3872002-12-31 Chris Demetriou <cgd@broadcom.com>
388
389 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
390 * mips.igen: Remove all invocations of check_branch_bug and
391 mark_branch_bug.
392
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3932002-12-16 Chris Demetriou <cgd@broadcom.com>
394
395 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
396
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3972002-07-30 Chris Demetriou <cgd@broadcom.com>
398
399 * mips.igen (do_load_double, do_store_double): New functions.
400 (LDC1, SDC1): Rename to...
401 (LDC1b, SDC1b): respectively.
402 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
403
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4042002-07-29 Michael Snyder <msnyder@redhat.com>
405
406 * cp1.c (fp_recip2): Modify initialization expression so that
407 GCC will recognize it as constant.
408
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4092002-06-18 Chris Demetriou <cgd@broadcom.com>
410
411 * mdmx.c (SD_): Delete.
412 (Unpredictable): Re-define, for now, to directly invoke
413 unpredictable_action().
414 (mdmx_acc_op): Fix error in .ob immediate handling.
415
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4162002-06-18 Andrew Cagney <cagney@redhat.com>
417
418 * interp.c (sim_firmware_command): Initialize `address'.
419
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4202002-06-16 Andrew Cagney <ac131313@redhat.com>
421
422 * configure: Regenerated to track ../common/aclocal.m4 changes.
423
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4242002-06-14 Chris Demetriou <cgd@broadcom.com>
425 Ed Satterthwaite <ehs@broadcom.com>
426
427 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
428 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
429 * mips.igen: Include mips3d.igen.
430 (mips3d): New model name for MIPS-3D ASE instructions.
431 (CVT.W.fmt): Don't use this instruction for word (source) format
432 instructions.
433 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
434 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
435 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
436 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
437 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
438 (RSquareRoot1, RSquareRoot2): New macros.
439 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
440 (fp_rsqrt2): New functions.
441 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
442 * configure: Regenerate.
443
3a2b820e 4442002-06-13 Chris Demetriou <cgd@broadcom.com>
eab54952 445 Ed Satterthwaite <ehs@broadcom.com>
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446
447 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
448 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
449 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
450 (convert): Note that this function is not used for paired-single
451 format conversions.
452 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
453 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
454 (check_fmt_p): Enable paired-single support.
455 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
456 (PUU.PS): New instructions.
457 (CVT.S.fmt): Don't use this instruction for paired-single format
458 destinations.
459 * sim-main.h (FP_formats): New value 'fmt_ps.'
460 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
461 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
462
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4632002-06-12 Chris Demetriou <cgd@broadcom.com>
464
465 * mips.igen: Fix formatting of function calls in
466 many FP operations.
467
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4682002-06-12 Chris Demetriou <cgd@broadcom.com>
469
470 * mips.igen (MOVN, MOVZ): Trace result.
471 (TNEI): Print "tnei" as the opcode name in traces.
472 (CEIL.W): Add disassembly string for traces.
473 (RSQRT.fmt): Make location of disassembly string consistent
474 with other instructions.
475
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4762002-06-12 Chris Demetriou <cgd@broadcom.com>
477
478 * mips.igen (X): Delete unused function.
479
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4802002-06-08 Andrew Cagney <cagney@redhat.com>
481
482 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
483
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4842002-06-07 Chris Demetriou <cgd@broadcom.com>
485 Ed Satterthwaite <ehs@broadcom.com>
486
487 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
488 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
489 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
490 (fp_nmsub): New prototypes.
491 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
492 (NegMultiplySub): New defines.
493 * mips.igen (RSQRT.fmt): Use RSquareRoot().
494 (MADD.D, MADD.S): Replace with...
495 (MADD.fmt): New instruction.
496 (MSUB.D, MSUB.S): Replace with...
497 (MSUB.fmt): New instruction.
498 (NMADD.D, NMADD.S): Replace with...
499 (NMADD.fmt): New instruction.
500 (NMSUB.D, MSUB.S): Replace with...
501 (NMSUB.fmt): New instruction.
502
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5032002-06-07 Chris Demetriou <cgd@broadcom.com>
504 Ed Satterthwaite <ehs@broadcom.com>
505
506 * cp1.c: Fix more comment spelling and formatting.
507 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
508 (denorm_mode): New function.
509 (fpu_unary, fpu_binary): Round results after operation, collect
510 status from rounding operations, and update the FCSR.
511 (convert): Collect status from integer conversions and rounding
512 operations, and update the FCSR. Adjust NaN values that result
513 from conversions. Convert to use sim_io_eprintf rather than
514 fprintf, and remove some debugging code.
515 * cp1.h (fenr_FS): New define.
516
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5172002-06-07 Chris Demetriou <cgd@broadcom.com>
518
519 * cp1.c (convert): Remove unusable debugging code, and move MIPS
520 rounding mode to sim FP rounding mode flag conversion code into...
521 (rounding_mode): New function.
522
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5232002-06-07 Chris Demetriou <cgd@broadcom.com>
524
525 * cp1.c: Clean up formatting of a few comments.
526 (value_fpr): Reformat switch statement.
527
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5282002-06-06 Chris Demetriou <cgd@broadcom.com>
529 Ed Satterthwaite <ehs@broadcom.com>
530
531 * cp1.h: New file.
532 * sim-main.h: Include cp1.h.
533 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
534 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
535 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
536 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
537 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
538 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
539 * cp1.c: Don't include sim-fpu.h; already included by
540 sim-main.h. Clean up formatting of some comments.
541 (NaN, Equal, Less): Remove.
542 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
543 (fp_cmp): New functions.
544 * mips.igen (do_c_cond_fmt): Remove.
545 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
546 Compare. Add result tracing.
547 (CxC1): Remove, replace with...
548 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
549 (DMxC1): Remove, replace with...
550 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
551 (MxC1): Remove, replace with...
552 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
553
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5542002-06-04 Chris Demetriou <cgd@broadcom.com>
555
556 * sim-main.h (FGRIDX): Remove, replace all uses with...
557 (FGR_BASE): New macro.
558 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
559 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
560 (NR_FGR, FGR): Likewise.
561 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
562 * mips.igen: Likewise.
563
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5642002-06-04 Chris Demetriou <cgd@broadcom.com>
565
566 * cp1.c: Add an FSF Copyright notice to this file.
567
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5682002-06-04 Chris Demetriou <cgd@broadcom.com>
569 Ed Satterthwaite <ehs@broadcom.com>
570
571 * cp1.c (Infinity): Remove.
572 * sim-main.h (Infinity): Likewise.
573
574 * cp1.c (fp_unary, fp_binary): New functions.
575 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
576 (fp_sqrt): New functions, implemented in terms of the above.
577 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
578 (Recip, SquareRoot): Remove (replaced by functions above).
579 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
580 (fp_recip, fp_sqrt): New prototypes.
581 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
582 (Recip, SquareRoot): Replace prototypes with #defines which
583 invoke the functions above.
584
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5852002-06-03 Chris Demetriou <cgd@broadcom.com>
586
587 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
588 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
589 file, remove PARAMS from prototypes.
590 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
591 simulator state arguments.
592 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
593 pass simulator state arguments.
594 * cp1.c (SD): Redefine as CPU_STATE(cpu).
595 (store_fpr, convert): Remove 'sd' argument.
596 (value_fpr): Likewise. Convert to use 'SD' instead.
597
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5982002-06-03 Chris Demetriou <cgd@broadcom.com>
599
600 * cp1.c (Min, Max): Remove #if 0'd functions.
601 * sim-main.h (Min, Max): Remove.
602
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6032002-06-03 Chris Demetriou <cgd@broadcom.com>
604
605 * cp1.c: fix formatting of switch case and default labels.
606 * interp.c: Likewise.
607 * sim-main.c: Likewise.
608
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6092002-06-03 Chris Demetriou <cgd@broadcom.com>
610
611 * cp1.c: Clean up comments which describe FP formats.
612 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
613
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6142002-06-03 Chris Demetriou <cgd@broadcom.com>
615 Ed Satterthwaite <ehs@broadcom.com>
616
617 * configure.in (mipsisa64sb1*-*-*): New target for supporting
618 Broadcom SiByte SB-1 processor configurations.
619 * configure: Regenerate.
620 * sb1.igen: New file.
621 * mips.igen: Include sb1.igen.
622 (sb1): New model.
623 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
624 * mdmx.igen: Add "sb1" model to all appropriate functions and
625 instructions.
626 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
627 (ob_func, ob_acc): Reference the above.
628 (qh_acc): Adjust to keep the same size as ob_acc.
629 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
630 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
631
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6322002-06-03 Chris Demetriou <cgd@broadcom.com>
633
634 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
635
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6362002-06-02 Chris Demetriou <cgd@broadcom.com>
637 Ed Satterthwaite <ehs@broadcom.com>
638
639 * mips.igen (mdmx): New (pseudo-)model.
640 * mdmx.c, mdmx.igen: New files.
641 * Makefile.in (SIM_OBJS): Add mdmx.o.
642 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
643 New typedefs.
644 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
645 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
646 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
647 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
648 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
649 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
650 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
651 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
652 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
653 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
654 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
655 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
656 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
657 (qh_fmtsel): New macros.
658 (_sim_cpu): New member "acc".
659 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
660 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
661
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6622002-05-01 Chris Demetriou <cgd@broadcom.com>
663
664 * interp.c: Use 'deprecated' rather than 'depreciated.'
665 * sim-main.h: Likewise.
666
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6672002-05-01 Chris Demetriou <cgd@broadcom.com>
668
669 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
670 which wouldn't compile anyway.
671 * sim-main.h (unpredictable_action): New function prototype.
672 (Unpredictable): Define to call igen function unpredictable().
673 (NotWordValue): New macro to call igen function not_word_value().
674 (UndefinedResult): Remove.
675 * interp.c (undefined_result): Remove.
676 (unpredictable_action): New function.
677 * mips.igen (not_word_value, unpredictable): New functions.
678 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
679 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
680 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
681 NotWordValue() to check for unpredictable inputs, then
682 Unpredictable() to handle them.
683
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6842002-02-24 Chris Demetriou <cgd@broadcom.com>
685
686 * mips.igen: Fix formatting of calls to Unpredictable().
687
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6882002-04-20 Andrew Cagney <ac131313@redhat.com>
689
690 * interp.c (sim_open): Revert previous change.
691
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6922002-04-18 Alexandre Oliva <aoliva@redhat.com>
693
694 * interp.c (sim_open): Disable chunk of code that wrote code in
695 vector table entries.
696
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6972002-03-19 Chris Demetriou <cgd@broadcom.com>
698
699 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
700 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
701 unused definitions.
702
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7032002-03-19 Chris Demetriou <cgd@broadcom.com>
704
705 * cp1.c: Fix many formatting issues.
706
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7072002-03-19 Chris G. Demetriou <cgd@broadcom.com>
708
709 * cp1.c (fpu_format_name): New function to replace...
710 (DOFMT): This. Delete, and update all callers.
711 (fpu_rounding_mode_name): New function to replace...
712 (RMMODE): This. Delete, and update all callers.
713
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7142002-03-19 Chris G. Demetriou <cgd@broadcom.com>
715
716 * interp.c: Move FPU support routines from here to...
717 * cp1.c: Here. New file.
718 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
719 (cp1.o): New target.
720
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7212002-03-12 Chris Demetriou <cgd@broadcom.com>
722
723 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
724 * mips.igen (mips32, mips64): New models, add to all instructions
725 and functions as appropriate.
726 (loadstore_ea, check_u64): New variant for model mips64.
727 (check_fmt_p): New variant for models mipsV and mips64, remove
728 mipsV model marking fro other variant.
729 (SLL) Rename to...
730 (SLLa) this.
731 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
732 for mips32 and mips64.
733 (DCLO, DCLZ): New instructions for mips64.
734
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7352002-03-07 Chris Demetriou <cgd@broadcom.com>
736
737 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
738 immediate or code as a hex value with the "%#lx" format.
739 (ANDI): Likewise, and fix printed instruction name.
740
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7412002-03-05 Chris Demetriou <cgd@broadcom.com>
742
743 * sim-main.h (UndefinedResult, Unpredictable): New macros
744 which currently do nothing.
745
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7462002-03-05 Chris Demetriou <cgd@broadcom.com>
747
748 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
749 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
750 (status_CU3): New definitions.
751
752 * sim-main.h (ExceptionCause): Add new values for MIPS32
753 and MIPS64: MDMX, MCheck, CacheErr. Update comments
754 for DebugBreakPoint and NMIReset to note their status in
755 MIPS32 and MIPS64.
756 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
757 (SignalExceptionCacheErr): New exception macros.
758
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7592002-03-05 Chris Demetriou <cgd@broadcom.com>
760
761 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
762 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
763 is always enabled.
764 (SignalExceptionCoProcessorUnusable): Take as argument the
765 unusable coprocessor number.
766
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7672002-03-05 Chris Demetriou <cgd@broadcom.com>
768
769 * mips.igen: Fix formatting of all SignalException calls.
770
97a88e93 7712002-03-05 Chris Demetriou <cgd@broadcom.com>
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772
773 * sim-main.h (SIGNEXTEND): Remove.
774
97a88e93 7752002-03-04 Chris Demetriou <cgd@broadcom.com>
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776
777 * mips.igen: Remove gencode comment from top of file, fix
778 spelling in another comment.
779
97a88e93 7802002-03-04 Chris Demetriou <cgd@broadcom.com>
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781
782 * mips.igen (check_fmt, check_fmt_p): New functions to check
783 whether specific floating point formats are usable.
784 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
785 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
786 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
787 Use the new functions.
788 (do_c_cond_fmt): Remove format checks...
789 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
790
97a88e93 7912002-03-03 Chris Demetriou <cgd@broadcom.com>
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792
793 * mips.igen: Fix formatting of check_fpu calls.
794
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7952002-03-03 Chris Demetriou <cgd@broadcom.com>
796
797 * mips.igen (FLOOR.L.fmt): Store correct destination register.
798
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7992002-03-03 Chris Demetriou <cgd@broadcom.com>
800
801 * mips.igen: Remove whitespace at end of lines.
802
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8032002-03-02 Chris Demetriou <cgd@broadcom.com>
804
805 * mips.igen (loadstore_ea): New function to do effective
806 address calculations.
807 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
808 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
809 CACHE): Use loadstore_ea to do effective address computations.
810
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8112002-03-02 Chris Demetriou <cgd@broadcom.com>
812
813 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
814 * mips.igen (LL, CxC1, MxC1): Likewise.
815
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8162002-03-02 Chris Demetriou <cgd@broadcom.com>
817
818 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
819 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
820 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
821 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
822 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
823 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
824 Don't split opcode fields by hand, use the opcode field values
825 provided by igen.
826
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8272002-03-01 Chris Demetriou <cgd@broadcom.com>
828
829 * mips.igen (do_divu): Fix spacing.
830
831 * mips.igen (do_dsllv): Move to be right before DSLLV,
832 to match the rest of the do_<shift> functions.
833
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8342002-03-01 Chris Demetriou <cgd@broadcom.com>
835
836 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
837 DSRL32, do_dsrlv): Trace inputs and results.
838
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8392002-03-01 Chris Demetriou <cgd@broadcom.com>
840
841 * mips.igen (CACHE): Provide instruction-printing string.
842
843 * interp.c (signal_exception): Comment tokens after #endif.
844
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8452002-02-28 Chris Demetriou <cgd@broadcom.com>
846
847 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
848 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
849 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
850 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
851 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
852 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
853 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
854 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
855
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8562002-02-28 Chris Demetriou <cgd@broadcom.com>
857
858 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
859 instruction-printing string.
860 (LWU): Use '64' as the filter flag.
861
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8622002-02-28 Chris Demetriou <cgd@broadcom.com>
863
864 * mips.igen (SDXC1): Fix instruction-printing string.
865
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8662002-02-28 Chris Demetriou <cgd@broadcom.com>
867
868 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
869 filter flags "32,f".
870
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8712002-02-27 Chris Demetriou <cgd@broadcom.com>
872
873 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
874 as the filter flag.
875
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8762002-02-27 Chris Demetriou <cgd@broadcom.com>
877
878 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
879 add a comma) so that it more closely match the MIPS ISA
880 documentation opcode partitioning.
881 (PREF): Put useful names on opcode fields, and include
882 instruction-printing string.
883
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8842002-02-27 Chris Demetriou <cgd@broadcom.com>
885
886 * mips.igen (check_u64): New function which in the future will
887 check whether 64-bit instructions are usable and signal an
888 exception if not. Currently a no-op.
889 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
890 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
891 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
892 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
893
894 * mips.igen (check_fpu): New function which in the future will
895 check whether FPU instructions are usable and signal an exception
896 if not. Currently a no-op.
897 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
898 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
899 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
900 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
901 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
902 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
903 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
904 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
905
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9062002-02-27 Chris Demetriou <cgd@broadcom.com>
907
908 * mips.igen (do_load_left, do_load_right): Move to be immediately
909 following do_load.
910 (do_store_left, do_store_right): Move to be immediately following
911 do_store.
912
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9132002-02-27 Chris Demetriou <cgd@broadcom.com>
914
915 * mips.igen (mipsV): New model name. Also, add it to
916 all instructions and functions where it is appropriate.
917
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9182002-02-18 Chris Demetriou <cgd@broadcom.com>
919
920 * mips.igen: For all functions and instructions, list model
921 names that support that instruction one per line.
922
074e9cb8
CD
9232002-02-11 Chris Demetriou <cgd@broadcom.com>
924
925 * mips.igen: Add some additional comments about supported
926 models, and about which instructions go where.
927 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
928 order as is used in the rest of the file.
929
9805e229
CD
9302002-02-11 Chris Demetriou <cgd@broadcom.com>
931
932 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
933 indicating that ALU32_END or ALU64_END are there to check
934 for overflow.
935 (DADD): Likewise, but also remove previous comment about
936 overflow checking.
937
f701dad2
CD
9382002-02-10 Chris Demetriou <cgd@broadcom.com>
939
940 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
941 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
942 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
943 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
944 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
945 fields (i.e., add and move commas) so that they more closely
946 match the MIPS ISA documentation opcode partitioning.
947
9482002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098
CD
949
950 * mips.igen (ADDI): Print immediate value.
951 (BREAK): Print code.
952 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
953 (SLL): Print "nop" specially, and don't run the code
954 that does the shift for the "nop" case.
955
9e52972e
FF
9562001-11-17 Fred Fish <fnf@redhat.com>
957
958 * sim-main.h (float_operation): Move enum declaration outside
959 of _sim_cpu struct declaration.
960
c0efbca4
JB
9612001-04-12 Jim Blandy <jimb@redhat.com>
962
963 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
964 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
965 set of the FCSR.
966 * sim-main.h (COCIDX): Remove definition; this isn't supported by
967 PENDING_FILL, and you can get the intended effect gracefully by
968 calling PENDING_SCHED directly.
969
fb891446
BE
9702001-02-23 Ben Elliston <bje@redhat.com>
971
972 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
973 already defined elsewhere.
974
8030f857
BE
9752001-02-19 Ben Elliston <bje@redhat.com>
976
977 * sim-main.h (sim_monitor): Return an int.
978 * interp.c (sim_monitor): Add return values.
979 (signal_exception): Handle error conditions from sim_monitor.
980
56b48a7a
CD
9812001-02-08 Ben Elliston <bje@redhat.com>
982
983 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
984 (store_memory): Likewise, pass cia to sim_core_write*.
985
d3ee60d9
FCE
9862000-10-19 Frank Ch. Eigler <fche@redhat.com>
987
988 On advice from Chris G. Demetriou <cgd@sibyte.com>:
989 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
990
071da002
AC
991Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
992
993 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
994 * Makefile.in: Don't delete *.igen when cleaning directory.
995
a28c02cd
AC
996Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
997
998 * m16.igen (break): Call SignalException not sim_engine_halt.
999
80ee11fa
AC
1000Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1001
1002 From Jason Eckhardt:
1003 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1004
673388c0
AC
1005Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1006
1007 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1008
4c0deff4
NC
10092000-05-24 Michael Hayes <mhayes@cygnus.com>
1010
1011 * mips.igen (do_dmultx): Fix typo.
1012
eb2d80b4
AC
1013Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1014
1015 * configure: Regenerated to track ../common/aclocal.m4 changes.
1016
dd37a34b
AC
1017Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1018
1019 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1020
4c0deff4
NC
10212000-04-12 Frank Ch. Eigler <fche@redhat.com>
1022
1023 * sim-main.h (GPR_CLEAR): Define macro.
1024
e30db738
AC
1025Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1026
1027 * interp.c (decode_coproc): Output long using %lx and not %s.
1028
cb7450ea
FCE
10292000-03-21 Frank Ch. Eigler <fche@redhat.com>
1030
1031 * interp.c (sim_open): Sort & extend dummy memory regions for
1032 --board=jmr3904 for eCos.
1033
a3027dd7
FCE
10342000-03-02 Frank Ch. Eigler <fche@redhat.com>
1035
1036 * configure: Regenerated.
1037
1038Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1039
1040 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1041 calls, conditional on the simulator being in verbose mode.
1042
dfcd3bfb
JM
1043Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1044
1045 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1046 cache don't get ReservedInstruction traps.
1047
c2d11a7d
JM
10481999-11-29 Mark Salter <msalter@cygnus.com>
1049
1050 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1051 to clear status bits in sdisr register. This is how the hardware works.
1052
1053 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1054 being used by cygmon.
1055
4ce44c66
JM
10561999-11-11 Andrew Haley <aph@cygnus.com>
1057
1058 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1059 instructions.
1060
cff3e48b
JM
1061Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1062
1063 * mips.igen (MULT): Correct previous mis-applied patch.
1064
d4f3574e
SS
1065Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1066
1067 * mips.igen (delayslot32): Handle sequence like
1068 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1069 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1070 (MULT): Actually pass the third register...
1071
10721999-09-03 Mark Salter <msalter@cygnus.com>
1073
1074 * interp.c (sim_open): Added more memory aliases for additional
1075 hardware being touched by cygmon on jmr3904 board.
1076
1077Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1078
1079 * configure: Regenerated to track ../common/aclocal.m4 changes.
1080
a0b3c4fd
JM
1081Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1082
1083 * interp.c (sim_store_register): Handle case where client - GDB -
1084 specifies that a 4 byte register is 8 bytes in size.
1085 (sim_fetch_register): Ditto.
1086
adf40b2e
JM
10871999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1088
1089 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1090 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1091 (idt_monitor_base): Base address for IDT monitor traps.
1092 (pmon_monitor_base): Ditto for PMON.
1093 (lsipmon_monitor_base): Ditto for LSI PMON.
1094 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1095 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1096 (sim_firmware_command): New function.
1097 (mips_option_handler): Call it for OPTION_FIRMWARE.
1098 (sim_open): Allocate memory for idt_monitor region. If "--board"
1099 option was given, add no monitor by default. Add BREAK hooks only if
1100 monitors are also there.
1101
43e526b9
JM
1102Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1103
1104 * interp.c (sim_monitor): Flush output before reading input.
1105
1106Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1107
1108 * tconfig.in (SIM_HANDLES_LMA): Always define.
1109
1110Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1111
1112 From Mark Salter <msalter@cygnus.com>:
1113 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1114 (sim_open): Add setup for BSP board.
1115
9846de1b
JM
1116Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1117
1118 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1119 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1120 them as unimplemented.
1121
cd0fc7c3
SS
11221999-05-08 Felix Lee <flee@cygnus.com>
1123
1124 * configure: Regenerated to track ../common/aclocal.m4 changes.
1125
7a292a7a
SS
11261999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1127
1128 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1129
1130Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1131
1132 * configure.in: Any mips64vr5*-*-* target should have
1133 -DTARGET_ENABLE_FR=1.
1134 (default_endian): Any mips64vr*el-*-* target should default to
1135 LITTLE_ENDIAN.
1136 * configure: Re-generate.
1137
11381999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1139
1140 * mips.igen (ldl): Extend from _16_, not 32.
1141
1142Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1143
1144 * interp.c (sim_store_register): Force registers written to by GDB
1145 into an un-interpreted state.
1146
c906108c
SS
11471999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1148
1149 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1150 CPU, start periodic background I/O polls.
1151 (tx3904sio_poll): New function: periodic I/O poller.
1152
11531998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1154
1155 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1156
1157Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1158
1159 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1160 case statement.
1161
11621998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1163
1164 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1165 (load_word): Call SIM_CORE_SIGNAL hook on error.
1166 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1167 starting. For exception dispatching, pass PC instead of NULL_CIA.
1168 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1169 * sim-main.h (COP0_BADVADDR): Define.
1170 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1171 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1172 (_sim_cpu): Add exc_* fields to store register value snapshots.
1173 * mips.igen (*): Replace memory-related SignalException* calls
1174 with references to SIM_CORE_SIGNAL hook.
1175
1176 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1177 fix.
1178 * sim-main.c (*): Minor warning cleanups.
1179
11801998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1181
1182 * m16.igen (DADDIU5): Correct type-o.
1183
1184Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1185
1186 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1187 variables.
1188
1189Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1190
1191 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1192 to include path.
1193 (interp.o): Add dependency on itable.h
1194 (oengine.c, gencode): Delete remaining references.
1195 (BUILT_SRC_FROM_GEN): Clean up.
1196
11971998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1198
1199 * vr4run.c: New.
1200 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1201 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1202 tmp-run-hack) : New.
1203 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1204 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1205 Drop the "64" qualifier to get the HACK generator working.
1206 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1207 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1208 qualifier to get the hack generator working.
1209 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1210 (DSLL): Use do_dsll.
1211 (DSLLV): Use do_dsllv.
1212 (DSRA): Use do_dsra.
1213 (DSRL): Use do_dsrl.
1214 (DSRLV): Use do_dsrlv.
1215 (BC1): Move *vr4100 to get the HACK generator working.
1216 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1217 get the HACK generator working.
1218 (MACC) Rename to get the HACK generator working.
1219 (DMACC,MACCS,DMACCS): Add the 64.
1220
12211998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1222
1223 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1224 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1225
12261998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1227
1228 * mips/interp.c (DEBUG): Cleanups.
1229
12301998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1231
1232 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1233 (tx3904sio_tickle): fflush after a stdout character output.
1234
12351998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1236
1237 * interp.c (sim_close): Uninstall modules.
1238
1239Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1240
1241 * sim-main.h, interp.c (sim_monitor): Change to global
1242 function.
1243
1244Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1245
1246 * configure.in (vr4100): Only include vr4100 instructions in
1247 simulator.
1248 * configure: Re-generate.
1249 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1250
1251Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1252
1253 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1254 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1255 true alternative.
1256
1257 * configure.in (sim_default_gen, sim_use_gen): Replace with
1258 sim_gen.
1259 (--enable-sim-igen): Delete config option. Always using IGEN.
1260 * configure: Re-generate.
1261
1262 * Makefile.in (gencode): Kill, kill, kill.
1263 * gencode.c: Ditto.
1264
1265Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1266
1267 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1268 bit mips16 igen simulator.
1269 * configure: Re-generate.
1270
1271 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1272 as part of vr4100 ISA.
1273 * vr.igen: Mark all instructions as 64 bit only.
1274
1275Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1276
1277 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1278 Pacify GCC.
1279
1280Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1281
1282 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1283 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1284 * configure: Re-generate.
1285
1286 * m16.igen (BREAK): Define breakpoint instruction.
1287 (JALX32): Mark instruction as mips16 and not r3900.
1288 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1289
1290 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1291
1292Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1293
1294 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1295 insn as a debug breakpoint.
1296
1297 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1298 pending.slot_size.
1299 (PENDING_SCHED): Clean up trace statement.
1300 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1301 (PENDING_FILL): Delay write by only one cycle.
1302 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1303
1304 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1305 of pending writes.
1306 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1307 32 & 64.
1308 (pending_tick): Move incrementing of index to FOR statement.
1309 (pending_tick): Only update PENDING_OUT after a write has occured.
1310
1311 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1312 build simulator.
1313 * configure: Re-generate.
1314
1315 * interp.c (sim_engine_run OLD): Delete explicit call to
1316 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1317
1318Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1319
1320 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1321 interrupt level number to match changed SignalExceptionInterrupt
1322 macro.
1323
1324Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1325
1326 * interp.c: #include "itable.h" if WITH_IGEN.
1327 (get_insn_name): New function.
1328 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1329 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1330
1331Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1332
1333 * configure: Rebuilt to inhale new common/aclocal.m4.
1334
1335Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1336
1337 * dv-tx3904sio.c: Include sim-assert.h.
1338
1339Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1340
1341 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1342 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1343 Reorganize target-specific sim-hardware checks.
1344 * configure: rebuilt.
1345 * interp.c (sim_open): For tx39 target boards, set
1346 OPERATING_ENVIRONMENT, add tx3904sio devices.
1347 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1348 ROM executables. Install dv-sockser into sim-modules list.
1349
1350 * dv-tx3904irc.c: Compiler warning clean-up.
1351 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1352 frequent hw-trace messages.
1353
1354Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1355
1356 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1357
1358Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1359
1360 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1361
1362 * vr.igen: New file.
1363 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1364 * mips.igen: Define vr4100 model. Include vr.igen.
1365Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1366
1367 * mips.igen (check_mf_hilo): Correct check.
1368
1369Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1370
1371 * sim-main.h (interrupt_event): Add prototype.
1372
1373 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1374 register_ptr, register_value.
1375 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1376
1377 * sim-main.h (tracefh): Make extern.
1378
1379Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1380
1381 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1382 Reduce unnecessarily high timer event frequency.
1383 * dv-tx3904cpu.c: Ditto for interrupt event.
1384
1385Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1386
1387 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1388 to allay warnings.
1389 (interrupt_event): Made non-static.
1390
1391 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1392 interchange of configuration values for external vs. internal
1393 clock dividers.
1394
1395Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1396
1397 * mips.igen (BREAK): Moved code to here for
1398 simulator-reserved break instructions.
1399 * gencode.c (build_instruction): Ditto.
1400 * interp.c (signal_exception): Code moved from here. Non-
1401 reserved instructions now use exception vector, rather
1402 than halting sim.
1403 * sim-main.h: Moved magic constants to here.
1404
1405Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1406
1407 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1408 register upon non-zero interrupt event level, clear upon zero
1409 event value.
1410 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1411 by passing zero event value.
1412 (*_io_{read,write}_buffer): Endianness fixes.
1413 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1414 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1415
1416 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1417 serial I/O and timer module at base address 0xFFFF0000.
1418
1419Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1420
1421 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1422 and BigEndianCPU.
1423
1424Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1425
1426 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1427 parts.
1428 * configure: Update.
1429
1430Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1431
1432 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1433 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1434 * configure.in: Include tx3904tmr in hw_device list.
1435 * configure: Rebuilt.
1436 * interp.c (sim_open): Instantiate three timer instances.
1437 Fix address typo of tx3904irc instance.
1438
1439Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1440
1441 * interp.c (signal_exception): SystemCall exception now uses
1442 the exception vector.
1443
1444Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1445
1446 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1447 to allay warnings.
1448
1449Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1450
1451 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1452
1453Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1454
1455 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1456
1457 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1458 sim-main.h. Declare a struct hw_descriptor instead of struct
1459 hw_device_descriptor.
1460
1461Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1462
1463 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1464 right bits and then re-align left hand bytes to correct byte
1465 lanes. Fix incorrect computation in do_store_left when loading
1466 bytes from second word.
1467
1468Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1469
1470 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1471 * interp.c (sim_open): Only create a device tree when HW is
1472 enabled.
1473
1474 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1475 * interp.c (signal_exception): Ditto.
1476
1477Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1478
1479 * gencode.c: Mark BEGEZALL as LIKELY.
1480
1481Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1482
1483 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1484 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1485
1486Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1487
1488 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1489 modules. Recognize TX39 target with "mips*tx39" pattern.
1490 * configure: Rebuilt.
1491 * sim-main.h (*): Added many macros defining bits in
1492 TX39 control registers.
1493 (SignalInterrupt): Send actual PC instead of NULL.
1494 (SignalNMIReset): New exception type.
1495 * interp.c (board): New variable for future use to identify
1496 a particular board being simulated.
1497 (mips_option_handler,mips_options): Added "--board" option.
1498 (interrupt_event): Send actual PC.
1499 (sim_open): Make memory layout conditional on board setting.
1500 (signal_exception): Initial implementation of hardware interrupt
1501 handling. Accept another break instruction variant for simulator
1502 exit.
1503 (decode_coproc): Implement RFE instruction for TX39.
1504 (mips.igen): Decode RFE instruction as such.
1505 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1506 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1507 bbegin to implement memory map.
1508 * dv-tx3904cpu.c: New file.
1509 * dv-tx3904irc.c: New file.
1510
1511Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1512
1513 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1514
1515Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1516
1517 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1518 with calls to check_div_hilo.
1519
1520Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1521
1522 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1523 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1524 Add special r3900 version of do_mult_hilo.
1525 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1526 with calls to check_mult_hilo.
1527 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1528 with calls to check_div_hilo.
1529
1530Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1531
1532 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1533 Document a replacement.
1534
1535Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1536
1537 * interp.c (sim_monitor): Make mon_printf work.
1538
1539Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1540
1541 * sim-main.h (INSN_NAME): New arg `cpu'.
1542
1543Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1544
1545 * configure: Regenerated to track ../common/aclocal.m4 changes.
1546
1547Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1548
1549 * configure: Regenerated to track ../common/aclocal.m4 changes.
1550 * config.in: Ditto.
1551
1552Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1553
1554 * acconfig.h: New file.
1555 * configure.in: Reverted change of Apr 24; use sinclude again.
1556
1557Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1558
1559 * configure: Regenerated to track ../common/aclocal.m4 changes.
1560 * config.in: Ditto.
1561
1562Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1563
1564 * configure.in: Don't call sinclude.
1565
1566Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1567
1568 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1569
1570Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1571
1572 * mips.igen (ERET): Implement.
1573
1574 * interp.c (decode_coproc): Return sign-extended EPC.
1575
1576 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1577
1578 * interp.c (signal_exception): Do not ignore Trap.
1579 (signal_exception): On TRAP, restart at exception address.
1580 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1581 (signal_exception): Update.
1582 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1583 so that TRAP instructions are caught.
1584
1585Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1586
1587 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1588 contains HI/LO access history.
1589 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1590 (HIACCESS, LOACCESS): Delete, replace with
1591 (HIHISTORY, LOHISTORY): New macros.
1592 (CHECKHILO): Delete all, moved to mips.igen
1593
1594 * gencode.c (build_instruction): Do not generate checks for
1595 correct HI/LO register usage.
1596
1597 * interp.c (old_engine_run): Delete checks for correct HI/LO
1598 register usage.
1599
1600 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1601 check_mf_cycles): New functions.
1602 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1603 do_divu, domultx, do_mult, do_multu): Use.
1604
1605 * tx.igen ("madd", "maddu"): Use.
1606
1607Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1608
1609 * mips.igen (DSRAV): Use function do_dsrav.
1610 (SRAV): Use new function do_srav.
1611
1612 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1613 (B): Sign extend 11 bit immediate.
1614 (EXT-B*): Shift 16 bit immediate left by 1.
1615 (ADDIU*): Don't sign extend immediate value.
1616
1617Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1618
1619 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1620
1621 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1622 functions.
1623
1624 * mips.igen (delayslot32, nullify_next_insn): New functions.
1625 (m16.igen): Always include.
1626 (do_*): Add more tracing.
1627
1628 * m16.igen (delayslot16): Add NIA argument, could be called by a
1629 32 bit MIPS16 instruction.
1630
1631 * interp.c (ifetch16): Move function from here.
1632 * sim-main.c (ifetch16): To here.
1633
1634 * sim-main.c (ifetch16, ifetch32): Update to match current
1635 implementations of LH, LW.
1636 (signal_exception): Don't print out incorrect hex value of illegal
1637 instruction.
1638
1639Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1640
1641 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1642 instruction.
1643
1644 * m16.igen: Implement MIPS16 instructions.
1645
1646 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1647 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1648 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1649 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1650 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1651 bodies of corresponding code from 32 bit insn to these. Also used
1652 by MIPS16 versions of functions.
1653
1654 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1655 (IMEM16): Drop NR argument from macro.
1656
1657Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1658
1659 * Makefile.in (SIM_OBJS): Add sim-main.o.
1660
1661 * sim-main.h (address_translation, load_memory, store_memory,
1662 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1663 as INLINE_SIM_MAIN.
1664 (pr_addr, pr_uword64): Declare.
1665 (sim-main.c): Include when H_REVEALS_MODULE_P.
1666
1667 * interp.c (address_translation, load_memory, store_memory,
1668 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1669 from here.
1670 * sim-main.c: To here. Fix compilation problems.
1671
1672 * configure.in: Enable inlining.
1673 * configure: Re-config.
1674
1675Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1676
1677 * configure: Regenerated to track ../common/aclocal.m4 changes.
1678
1679Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1680
1681 * mips.igen: Include tx.igen.
1682 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1683 * tx.igen: New file, contains MADD and MADDU.
1684
1685 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1686 the hardwired constant `7'.
1687 (store_memory): Ditto.
1688 (LOADDRMASK): Move definition to sim-main.h.
1689
1690 mips.igen (MTC0): Enable for r3900.
1691 (ADDU): Add trace.
1692
1693 mips.igen (do_load_byte): Delete.
1694 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1695 do_store_right): New functions.
1696 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1697
1698 configure.in: Let the tx39 use igen again.
1699 configure: Update.
1700
1701Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1702
1703 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1704 not an address sized quantity. Return zero for cache sizes.
1705
1706Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1707
1708 * mips.igen (r3900): r3900 does not support 64 bit integer
1709 operations.
1710
1711Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1712
1713 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1714 than igen one.
1715 * configure : Rebuild.
1716
1717Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1718
1719 * configure: Regenerated to track ../common/aclocal.m4 changes.
1720
1721Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1722
1723 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1724
1725Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1726
1727 * configure: Regenerated to track ../common/aclocal.m4 changes.
1728 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1729
1730Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1731
1732 * configure: Regenerated to track ../common/aclocal.m4 changes.
1733
1734Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1735
1736 * interp.c (Max, Min): Comment out functions. Not yet used.
1737
1738Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1739
1740 * configure: Regenerated to track ../common/aclocal.m4 changes.
1741
1742Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1743
1744 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1745 configurable settings for stand-alone simulator.
1746
1747 * configure.in: Added X11 search, just in case.
1748
1749 * configure: Regenerated.
1750
1751Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1752
1753 * interp.c (sim_write, sim_read, load_memory, store_memory):
1754 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1755
1756Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1757
1758 * sim-main.h (GETFCC): Return an unsigned value.
1759
1760Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1761
1762 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1763 (DADD): Result destination is RD not RT.
1764
1765Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1766
1767 * sim-main.h (HIACCESS, LOACCESS): Always define.
1768
1769 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1770
1771 * interp.c (sim_info): Delete.
1772
1773Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1774
1775 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1776 (mips_option_handler): New argument `cpu'.
1777 (sim_open): Update call to sim_add_option_table.
1778
1779Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1780
1781 * mips.igen (CxC1): Add tracing.
1782
1783Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1784
1785 * sim-main.h (Max, Min): Declare.
1786
1787 * interp.c (Max, Min): New functions.
1788
1789 * mips.igen (BC1): Add tracing.
1790
1791Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1792
1793 * interp.c Added memory map for stack in vr4100
1794
1795Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1796
1797 * interp.c (load_memory): Add missing "break"'s.
1798
1799Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1800
1801 * interp.c (sim_store_register, sim_fetch_register): Pass in
1802 length parameter. Return -1.
1803
1804Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1805
1806 * interp.c: Added hardware init hook, fixed warnings.
1807
1808Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1809
1810 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1811
1812Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1813
1814 * interp.c (ifetch16): New function.
1815
1816 * sim-main.h (IMEM32): Rename IMEM.
1817 (IMEM16_IMMED): Define.
1818 (IMEM16): Define.
1819 (DELAY_SLOT): Update.
1820
1821 * m16run.c (sim_engine_run): New file.
1822
1823 * m16.igen: All instructions except LB.
1824 (LB): Call do_load_byte.
1825 * mips.igen (do_load_byte): New function.
1826 (LB): Call do_load_byte.
1827
1828 * mips.igen: Move spec for insn bit size and high bit from here.
1829 * Makefile.in (tmp-igen, tmp-m16): To here.
1830
1831 * m16.dc: New file, decode mips16 instructions.
1832
1833 * Makefile.in (SIM_NO_ALL): Define.
1834 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1835
1836Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1837
1838 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1839 point unit to 32 bit registers.
1840 * configure: Re-generate.
1841
1842Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1843
1844 * configure.in (sim_use_gen): Make IGEN the default simulator
1845 generator for generic 32 and 64 bit mips targets.
1846 * configure: Re-generate.
1847
1848Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1849
1850 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1851 bitsize.
1852
1853 * interp.c (sim_fetch_register, sim_store_register): Read/write
1854 FGR from correct location.
1855 (sim_open): Set size of FGR's according to
1856 WITH_TARGET_FLOATING_POINT_BITSIZE.
1857
1858 * sim-main.h (FGR): Store floating point registers in a separate
1859 array.
1860
1861Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1862
1863 * configure: Regenerated to track ../common/aclocal.m4 changes.
1864
1865Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1866
1867 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1868
1869 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1870
1871 * interp.c (pending_tick): New function. Deliver pending writes.
1872
1873 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1874 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1875 it can handle mixed sized quantites and single bits.
1876
1877Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1878
1879 * interp.c (oengine.h): Do not include when building with IGEN.
1880 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1881 (sim_info): Ditto for PROCESSOR_64BIT.
1882 (sim_monitor): Replace ut_reg with unsigned_word.
1883 (*): Ditto for t_reg.
1884 (LOADDRMASK): Define.
1885 (sim_open): Remove defunct check that host FP is IEEE compliant,
1886 using software to emulate floating point.
1887 (value_fpr, ...): Always compile, was conditional on HASFPU.
1888
1889Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1890
1891 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1892 size.
1893
1894 * interp.c (SD, CPU): Define.
1895 (mips_option_handler): Set flags in each CPU.
1896 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1897 (sim_close): Do not clear STATE, deleted anyway.
1898 (sim_write, sim_read): Assume CPU zero's vm should be used for
1899 data transfers.
1900 (sim_create_inferior): Set the PC for all processors.
1901 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1902 argument.
1903 (mips16_entry): Pass correct nr of args to store_word, load_word.
1904 (ColdReset): Cold reset all cpu's.
1905 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1906 (sim_monitor, load_memory, store_memory, signal_exception): Use
1907 `CPU' instead of STATE_CPU.
1908
1909
1910 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1911 SD or CPU_.
1912
1913 * sim-main.h (signal_exception): Add sim_cpu arg.
1914 (SignalException*): Pass both SD and CPU to signal_exception.
1915 * interp.c (signal_exception): Update.
1916
1917 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1918 Ditto
1919 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1920 address_translation): Ditto
1921 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1922
1923Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1924
1925 * configure: Regenerated to track ../common/aclocal.m4 changes.
1926
1927Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1928
1929 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1930
1931 * mips.igen (model): Map processor names onto BFD name.
1932
1933 * sim-main.h (CPU_CIA): Delete.
1934 (SET_CIA, GET_CIA): Define
1935
1936Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1937
1938 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1939 regiser.
1940
1941 * configure.in (default_endian): Configure a big-endian simulator
1942 by default.
1943 * configure: Re-generate.
1944
1945Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1946
1947 * configure: Regenerated to track ../common/aclocal.m4 changes.
1948
1949Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1950
1951 * interp.c (sim_monitor): Handle Densan monitor outbyte
1952 and inbyte functions.
1953
19541997-12-29 Felix Lee <flee@cygnus.com>
1955
1956 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1957
1958Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1959
1960 * Makefile.in (tmp-igen): Arrange for $zero to always be
1961 reset to zero after every instruction.
1962
1963Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1964
1965 * configure: Regenerated to track ../common/aclocal.m4 changes.
1966 * config.in: Ditto.
1967
1968Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1969
1970 * mips.igen (MSUB): Fix to work like MADD.
1971 * gencode.c (MSUB): Similarly.
1972
1973Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1974
1975 * configure: Regenerated to track ../common/aclocal.m4 changes.
1976
1977Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1978
1979 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1980
1981Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1982
1983 * sim-main.h (sim-fpu.h): Include.
1984
1985 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1986 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1987 using host independant sim_fpu module.
1988
1989Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1990
1991 * interp.c (signal_exception): Report internal errors with SIGABRT
1992 not SIGQUIT.
1993
1994 * sim-main.h (C0_CONFIG): New register.
1995 (signal.h): No longer include.
1996
1997 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1998
1999Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2000
2001 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2002
2003Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2004
2005 * mips.igen: Tag vr5000 instructions.
2006 (ANDI): Was missing mipsIV model, fix assembler syntax.
2007 (do_c_cond_fmt): New function.
2008 (C.cond.fmt): Handle mips I-III which do not support CC field
2009 separatly.
2010 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2011 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2012 in IV3.2 spec.
2013 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2014 vr5000 which saves LO in a GPR separatly.
2015
2016 * configure.in (enable-sim-igen): For vr5000, select vr5000
2017 specific instructions.
2018 * configure: Re-generate.
2019
2020Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2021
2022 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2023
2024 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2025 fmt_uninterpreted_64 bit cases to switch. Convert to
2026 fmt_formatted,
2027
2028 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2029
2030 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2031 as specified in IV3.2 spec.
2032 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2033
2034Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2035
2036 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2037 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2038 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2039 PENDING_FILL versions of instructions. Simplify.
2040 (X): New function.
2041 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2042 instructions.
2043 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2044 a signed value.
2045 (MTHI, MFHI): Disable code checking HI-LO.
2046
2047 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2048 global.
2049 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2050
2051Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2052
2053 * gencode.c (build_mips16_operands): Replace IPC with cia.
2054
2055 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2056 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2057 IPC to `cia'.
2058 (UndefinedResult): Replace function with macro/function
2059 combination.
2060 (sim_engine_run): Don't save PC in IPC.
2061
2062 * sim-main.h (IPC): Delete.
2063
2064
2065 * interp.c (signal_exception, store_word, load_word,
2066 address_translation, load_memory, store_memory, cache_op,
2067 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2068 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2069 current instruction address - cia - argument.
2070 (sim_read, sim_write): Call address_translation directly.
2071 (sim_engine_run): Rename variable vaddr to cia.
2072 (signal_exception): Pass cia to sim_monitor
2073
2074 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2075 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2076 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2077
2078 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2079 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2080 SIM_ASSERT.
2081
2082 * interp.c (signal_exception): Pass restart address to
2083 sim_engine_restart.
2084
2085 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2086 idecode.o): Add dependency.
2087
2088 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2089 Delete definitions
2090 (DELAY_SLOT): Update NIA not PC with branch address.
2091 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2092
2093 * mips.igen: Use CIA not PC in branch calculations.
2094 (illegal): Call SignalException.
2095 (BEQ, ADDIU): Fix assembler.
2096
2097Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2098
2099 * m16.igen (JALX): Was missing.
2100
2101 * configure.in (enable-sim-igen): New configuration option.
2102 * configure: Re-generate.
2103
2104 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2105
2106 * interp.c (load_memory, store_memory): Delete parameter RAW.
2107 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2108 bypassing {load,store}_memory.
2109
2110 * sim-main.h (ByteSwapMem): Delete definition.
2111
2112 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2113
2114 * interp.c (sim_do_command, sim_commands): Delete mips specific
2115 commands. Handled by module sim-options.
2116
2117 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2118 (WITH_MODULO_MEMORY): Define.
2119
2120 * interp.c (sim_info): Delete code printing memory size.
2121
2122 * interp.c (mips_size): Nee sim_size, delete function.
2123 (power2): Delete.
2124 (monitor, monitor_base, monitor_size): Delete global variables.
2125 (sim_open, sim_close): Delete code creating monitor and other
2126 memory regions. Use sim-memopts module, via sim_do_commandf, to
2127 manage memory regions.
2128 (load_memory, store_memory): Use sim-core for memory model.
2129
2130 * interp.c (address_translation): Delete all memory map code
2131 except line forcing 32 bit addresses.
2132
2133Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2134
2135 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2136 trace options.
2137
2138 * interp.c (logfh, logfile): Delete globals.
2139 (sim_open, sim_close): Delete code opening & closing log file.
2140 (mips_option_handler): Delete -l and -n options.
2141 (OPTION mips_options): Ditto.
2142
2143 * interp.c (OPTION mips_options): Rename option trace to dinero.
2144 (mips_option_handler): Update.
2145
2146Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2147
2148 * interp.c (fetch_str): New function.
2149 (sim_monitor): Rewrite using sim_read & sim_write.
2150 (sim_open): Check magic number.
2151 (sim_open): Write monitor vectors into memory using sim_write.
2152 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2153 (sim_read, sim_write): Simplify - transfer data one byte at a
2154 time.
2155 (load_memory, store_memory): Clarify meaning of parameter RAW.
2156
2157 * sim-main.h (isHOST): Defete definition.
2158 (isTARGET): Mark as depreciated.
2159 (address_translation): Delete parameter HOST.
2160
2161 * interp.c (address_translation): Delete parameter HOST.
2162
2163Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2164
2165 * mips.igen:
2166
2167 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2168 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2169
2170Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2171
2172 * mips.igen: Add model filter field to records.
2173
2174Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2175
2176 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2177
2178 interp.c (sim_engine_run): Do not compile function sim_engine_run
2179 when WITH_IGEN == 1.
2180
2181 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2182 target architecture.
2183
2184 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2185 igen. Replace with configuration variables sim_igen_flags /
2186 sim_m16_flags.
2187
2188 * m16.igen: New file. Copy mips16 insns here.
2189 * mips.igen: From here.
2190
2191Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2192
2193 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2194 to top.
2195 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2196
2197Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2198
2199 * gencode.c (build_instruction): Follow sim_write's lead in using
2200 BigEndianMem instead of !ByteSwapMem.
2201
2202Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2203
2204 * configure.in (sim_gen): Dependent on target, select type of
2205 generator. Always select old style generator.
2206
2207 configure: Re-generate.
2208
2209 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2210 targets.
2211 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2212 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2213 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2214 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2215 SIM_@sim_gen@_*, set by autoconf.
2216
2217Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2218
2219 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2220
2221 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2222 CURRENT_FLOATING_POINT instead.
2223
2224 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2225 (address_translation): Raise exception InstructionFetch when
2226 translation fails and isINSTRUCTION.
2227
2228 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2229 sim_engine_run): Change type of of vaddr and paddr to
2230 address_word.
2231 (address_translation, prefetch, load_memory, store_memory,
2232 cache_op): Change type of vAddr and pAddr to address_word.
2233
2234 * gencode.c (build_instruction): Change type of vaddr and paddr to
2235 address_word.
2236
2237Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2238
2239 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2240 macro to obtain result of ALU op.
2241
2242Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2243
2244 * interp.c (sim_info): Call profile_print.
2245
2246Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2247
2248 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2249
2250 * sim-main.h (WITH_PROFILE): Do not define, defined in
2251 common/sim-config.h. Use sim-profile module.
2252 (simPROFILE): Delete defintion.
2253
2254 * interp.c (PROFILE): Delete definition.
2255 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2256 (sim_close): Delete code writing profile histogram.
2257 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2258 Delete.
2259 (sim_engine_run): Delete code profiling the PC.
2260
2261Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2262
2263 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2264
2265 * interp.c (sim_monitor): Make register pointers of type
2266 unsigned_word*.
2267
2268 * sim-main.h: Make registers of type unsigned_word not
2269 signed_word.
2270
2271Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2272
2273 * interp.c (sync_operation): Rename from SyncOperation, make
2274 global, add SD argument.
2275 (prefetch): Rename from Prefetch, make global, add SD argument.
2276 (decode_coproc): Make global.
2277
2278 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2279
2280 * gencode.c (build_instruction): Generate DecodeCoproc not
2281 decode_coproc calls.
2282
2283 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2284 (SizeFGR): Move to sim-main.h
2285 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2286 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2287 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2288 sim-main.h.
2289 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2290 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2291 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2292 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2293 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2294 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2295
2296 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2297 exception.
2298 (sim-alu.h): Include.
2299 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2300 (sim_cia): Typedef to instruction_address.
2301
2302Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2303
2304 * Makefile.in (interp.o): Rename generated file engine.c to
2305 oengine.c.
2306
2307 * interp.c: Update.
2308
2309Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2310
2311 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2312
2313Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2314
2315 * gencode.c (build_instruction): For "FPSQRT", output correct
2316 number of arguments to Recip.
2317
2318Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2319
2320 * Makefile.in (interp.o): Depends on sim-main.h
2321
2322 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2323
2324 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2325 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2326 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2327 STATE, DSSTATE): Define
2328 (GPR, FGRIDX, ..): Define.
2329
2330 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2331 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2332 (GPR, FGRIDX, ...): Delete macros.
2333
2334 * interp.c: Update names to match defines from sim-main.h
2335
2336Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2337
2338 * interp.c (sim_monitor): Add SD argument.
2339 (sim_warning): Delete. Replace calls with calls to
2340 sim_io_eprintf.
2341 (sim_error): Delete. Replace calls with sim_io_error.
2342 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2343 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2344 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2345 argument.
2346 (mips_size): Rename from sim_size. Add SD argument.
2347
2348 * interp.c (simulator): Delete global variable.
2349 (callback): Delete global variable.
2350 (mips_option_handler, sim_open, sim_write, sim_read,
2351 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2352 sim_size,sim_monitor): Use sim_io_* not callback->*.
2353 (sim_open): ZALLOC simulator struct.
2354 (PROFILE): Do not define.
2355
2356Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2357
2358 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2359 support.h with corresponding code.
2360
2361 * sim-main.h (word64, uword64), support.h: Move definition to
2362 sim-main.h.
2363 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2364
2365 * support.h: Delete
2366 * Makefile.in: Update dependencies
2367 * interp.c: Do not include.
2368
2369Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2370
2371 * interp.c (address_translation, load_memory, store_memory,
2372 cache_op): Rename to from AddressTranslation et.al., make global,
2373 add SD argument
2374
2375 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2376 CacheOp): Define.
2377
2378 * interp.c (SignalException): Rename to signal_exception, make
2379 global.
2380
2381 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2382
2383 * sim-main.h (SignalException, SignalExceptionInterrupt,
2384 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2385 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2386 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2387 Define.
2388
2389 * interp.c, support.h: Use.
2390
2391Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2392
2393 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2394 to value_fpr / store_fpr. Add SD argument.
2395 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2396 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2397
2398 * sim-main.h (ValueFPR, StoreFPR): Define.
2399
2400Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2401
2402 * interp.c (sim_engine_run): Check consistency between configure
2403 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2404 and HASFPU.
2405
2406 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2407 (mips_fpu): Configure WITH_FLOATING_POINT.
2408 (mips_endian): Configure WITH_TARGET_ENDIAN.
2409 * configure: Update.
2410
2411Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2412
2413 * configure: Regenerated to track ../common/aclocal.m4 changes.
2414
2415Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2416
2417 * configure: Regenerated.
2418
2419Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2420
2421 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2422
2423Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2424
2425 * gencode.c (print_igen_insn_models): Assume certain architectures
2426 include all mips* instructions.
2427 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2428 instruction.
2429
2430 * Makefile.in (tmp.igen): Add target. Generate igen input from
2431 gencode file.
2432
2433 * gencode.c (FEATURE_IGEN): Define.
2434 (main): Add --igen option. Generate output in igen format.
2435 (process_instructions): Format output according to igen option.
2436 (print_igen_insn_format): New function.
2437 (print_igen_insn_models): New function.
2438 (process_instructions): Only issue warnings and ignore
2439 instructions when no FEATURE_IGEN.
2440
2441Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2442
2443 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2444 MIPS targets.
2445
2446Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2447
2448 * configure: Regenerated to track ../common/aclocal.m4 changes.
2449
2450Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2451
2452 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2453 SIM_RESERVED_BITS): Delete, moved to common.
2454 (SIM_EXTRA_CFLAGS): Update.
2455
2456Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2457
2458 * configure.in: Configure non-strict memory alignment.
2459 * configure: Regenerated to track ../common/aclocal.m4 changes.
2460
2461Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2462
2463 * configure: Regenerated to track ../common/aclocal.m4 changes.
2464
2465Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2466
2467 * gencode.c (SDBBP,DERET): Added (3900) insns.
2468 (RFE): Turn on for 3900.
2469 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2470 (dsstate): Made global.
2471 (SUBTARGET_R3900): Added.
2472 (CANCELDELAYSLOT): New.
2473 (SignalException): Ignore SystemCall rather than ignore and
2474 terminate. Add DebugBreakPoint handling.
2475 (decode_coproc): New insns RFE, DERET; and new registers Debug
2476 and DEPC protected by SUBTARGET_R3900.
2477 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2478 bits explicitly.
2479 * Makefile.in,configure.in: Add mips subtarget option.
2480 * configure: Update.
2481
2482Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2483
2484 * gencode.c: Add r3900 (tx39).
2485
2486
2487Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2488
2489 * gencode.c (build_instruction): Don't need to subtract 4 for
2490 JALR, just 2.
2491
2492Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2493
2494 * interp.c: Correct some HASFPU problems.
2495
2496Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2497
2498 * configure: Regenerated to track ../common/aclocal.m4 changes.
2499
2500Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2501
2502 * interp.c (mips_options): Fix samples option short form, should
2503 be `x'.
2504
2505Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2506
2507 * interp.c (sim_info): Enable info code. Was just returning.
2508
2509Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2510
2511 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2512 MFC0.
2513
2514Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2515
2516 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2517 constants.
2518 (build_instruction): Ditto for LL.
2519
2520Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2521
2522 * configure: Regenerated to track ../common/aclocal.m4 changes.
2523
2524Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2525
2526 * configure: Regenerated to track ../common/aclocal.m4 changes.
2527 * config.in: Ditto.
2528
2529Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2530
2531 * interp.c (sim_open): Add call to sim_analyze_program, update
2532 call to sim_config.
2533
2534Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2535
2536 * interp.c (sim_kill): Delete.
2537 (sim_create_inferior): Add ABFD argument. Set PC from same.
2538 (sim_load): Move code initializing trap handlers from here.
2539 (sim_open): To here.
2540 (sim_load): Delete, use sim-hload.c.
2541
2542 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2543
2544Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2545
2546 * configure: Regenerated to track ../common/aclocal.m4 changes.
2547 * config.in: Ditto.
2548
2549Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2550
2551 * interp.c (sim_open): Add ABFD argument.
2552 (sim_load): Move call to sim_config from here.
2553 (sim_open): To here. Check return status.
2554
2555Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2556
2557 * gencode.c (build_instruction): Two arg MADD should
2558 not assign result to $0.
2559
2560Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2561
2562 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2563 * sim/mips/configure.in: Regenerate.
2564
2565Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2566
2567 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2568 signed8, unsigned8 et.al. types.
2569
2570 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2571 hosts when selecting subreg.
2572
2573Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2574
2575 * interp.c (sim_engine_run): Reset the ZERO register to zero
2576 regardless of FEATURE_WARN_ZERO.
2577 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2578
2579Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2580
2581 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2582 (SignalException): For BreakPoints ignore any mode bits and just
2583 save the PC.
2584 (SignalException): Always set the CAUSE register.
2585
2586Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2587
2588 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2589 exception has been taken.
2590
2591 * interp.c: Implement the ERET and mt/f sr instructions.
2592
2593Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2594
2595 * interp.c (SignalException): Don't bother restarting an
2596 interrupt.
2597
2598Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2599
2600 * interp.c (SignalException): Really take an interrupt.
2601 (interrupt_event): Only deliver interrupts when enabled.
2602
2603Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2604
2605 * interp.c (sim_info): Only print info when verbose.
2606 (sim_info) Use sim_io_printf for output.
2607
2608Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2609
2610 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2611 mips architectures.
2612
2613Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2614
2615 * interp.c (sim_do_command): Check for common commands if a
2616 simulator specific command fails.
2617
2618Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2619
2620 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2621 and simBE when DEBUG is defined.
2622
2623Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2624
2625 * interp.c (interrupt_event): New function. Pass exception event
2626 onto exception handler.
2627
2628 * configure.in: Check for stdlib.h.
2629 * configure: Regenerate.
2630
2631 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2632 variable declaration.
2633 (build_instruction): Initialize memval1.
2634 (build_instruction): Add UNUSED attribute to byte, bigend,
2635 reverse.
2636 (build_operands): Ditto.
2637
2638 * interp.c: Fix GCC warnings.
2639 (sim_get_quit_code): Delete.
2640
2641 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2642 * Makefile.in: Ditto.
2643 * configure: Re-generate.
2644
2645 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2646
2647Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2648
2649 * interp.c (mips_option_handler): New function parse argumes using
2650 sim-options.
2651 (myname): Replace with STATE_MY_NAME.
2652 (sim_open): Delete check for host endianness - performed by
2653 sim_config.
2654 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2655 (sim_open): Move much of the initialization from here.
2656 (sim_load): To here. After the image has been loaded and
2657 endianness set.
2658 (sim_open): Move ColdReset from here.
2659 (sim_create_inferior): To here.
2660 (sim_open): Make FP check less dependant on host endianness.
2661
2662 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2663 run.
2664 * interp.c (sim_set_callbacks): Delete.
2665
2666 * interp.c (membank, membank_base, membank_size): Replace with
2667 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2668 (sim_open): Remove call to callback->init. gdb/run do this.
2669
2670 * interp.c: Update
2671
2672 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2673
2674 * interp.c (big_endian_p): Delete, replaced by
2675 current_target_byte_order.
2676
2677Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2678
2679 * interp.c (host_read_long, host_read_word, host_swap_word,
2680 host_swap_long): Delete. Using common sim-endian.
2681 (sim_fetch_register, sim_store_register): Use H2T.
2682 (pipeline_ticks): Delete. Handled by sim-events.
2683 (sim_info): Update.
2684 (sim_engine_run): Update.
2685
2686Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2687
2688 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2689 reason from here.
2690 (SignalException): To here. Signal using sim_engine_halt.
2691 (sim_stop_reason): Delete, moved to common.
2692
2693Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2694
2695 * interp.c (sim_open): Add callback argument.
2696 (sim_set_callbacks): Delete SIM_DESC argument.
2697 (sim_size): Ditto.
2698
2699Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2700
2701 * Makefile.in (SIM_OBJS): Add common modules.
2702
2703 * interp.c (sim_set_callbacks): Also set SD callback.
2704 (set_endianness, xfer_*, swap_*): Delete.
2705 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2706 Change to functions using sim-endian macros.
2707 (control_c, sim_stop): Delete, use common version.
2708 (simulate): Convert into.
2709 (sim_engine_run): This function.
2710 (sim_resume): Delete.
2711
2712 * interp.c (simulation): New variable - the simulator object.
2713 (sim_kind): Delete global - merged into simulation.
2714 (sim_load): Cleanup. Move PC assignment from here.
2715 (sim_create_inferior): To here.
2716
2717 * sim-main.h: New file.
2718 * interp.c (sim-main.h): Include.
2719
2720Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2721
2722 * configure: Regenerated to track ../common/aclocal.m4 changes.
2723
2724Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2725
2726 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2727
2728Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2729
2730 * gencode.c (build_instruction): DIV instructions: check
2731 for division by zero and integer overflow before using
2732 host's division operation.
2733
2734Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2735
2736 * Makefile.in (SIM_OBJS): Add sim-load.o.
2737 * interp.c: #include bfd.h.
2738 (target_byte_order): Delete.
2739 (sim_kind, myname, big_endian_p): New static locals.
2740 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2741 after argument parsing. Recognize -E arg, set endianness accordingly.
2742 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2743 load file into simulator. Set PC from bfd.
2744 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2745 (set_endianness): Use big_endian_p instead of target_byte_order.
2746
2747Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2748
2749 * interp.c (sim_size): Delete prototype - conflicts with
2750 definition in remote-sim.h. Correct definition.
2751
2752Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2753
2754 * configure: Regenerated to track ../common/aclocal.m4 changes.
2755 * config.in: Ditto.
2756
2757Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2758
2759 * interp.c (sim_open): New arg `kind'.
2760
2761 * configure: Regenerated to track ../common/aclocal.m4 changes.
2762
2763Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2764
2765 * configure: Regenerated to track ../common/aclocal.m4 changes.
2766
2767Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2768
2769 * interp.c (sim_open): Set optind to 0 before calling getopt.
2770
2771Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2772
2773 * configure: Regenerated to track ../common/aclocal.m4 changes.
2774
2775Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2776
2777 * interp.c : Replace uses of pr_addr with pr_uword64
2778 where the bit length is always 64 independent of SIM_ADDR.
2779 (pr_uword64) : added.
2780
2781Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2782
2783 * configure: Re-generate.
2784
2785Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2786
2787 * configure: Regenerate to track ../common/aclocal.m4 changes.
2788
2789Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2790
2791 * interp.c (sim_open): New SIM_DESC result. Argument is now
2792 in argv form.
2793 (other sim_*): New SIM_DESC argument.
2794
2795Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2796
2797 * interp.c: Fix printing of addresses for non-64-bit targets.
2798 (pr_addr): Add function to print address based on size.
2799
2800Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2801
2802 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2803
2804Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2805
2806 * gencode.c (build_mips16_operands): Correct computation of base
2807 address for extended PC relative instruction.
2808
2809Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2810
2811 * interp.c (mips16_entry): Add support for floating point cases.
2812 (SignalException): Pass floating point cases to mips16_entry.
2813 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2814 registers.
2815 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2816 or fmt_word.
2817 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2818 and then set the state to fmt_uninterpreted.
2819 (COP_SW): Temporarily set the state to fmt_word while calling
2820 ValueFPR.
2821
2822Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2823
2824 * gencode.c (build_instruction): The high order may be set in the
2825 comparison flags at any ISA level, not just ISA 4.
2826
2827Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2828
2829 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2830 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2831 * configure.in: sinclude ../common/aclocal.m4.
2832 * configure: Regenerated.
2833
2834Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2835
2836 * configure: Rebuild after change to aclocal.m4.
2837
2838Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2839
2840 * configure configure.in Makefile.in: Update to new configure
2841 scheme which is more compatible with WinGDB builds.
2842 * configure.in: Improve comment on how to run autoconf.
2843 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2844 * Makefile.in: Use autoconf substitution to install common
2845 makefile fragment.
2846
2847Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2848
2849 * gencode.c (build_instruction): Use BigEndianCPU instead of
2850 ByteSwapMem.
2851
2852Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2853
2854 * interp.c (sim_monitor): Make output to stdout visible in
2855 wingdb's I/O log window.
2856
2857Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2858
2859 * support.h: Undo previous change to SIGTRAP
2860 and SIGQUIT values.
2861
2862Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2863
2864 * interp.c (store_word, load_word): New static functions.
2865 (mips16_entry): New static function.
2866 (SignalException): Look for mips16 entry and exit instructions.
2867 (simulate): Use the correct index when setting fpr_state after
2868 doing a pending move.
2869
2870Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2871
2872 * interp.c: Fix byte-swapping code throughout to work on
2873 both little- and big-endian hosts.
2874
2875Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2876
2877 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2878 with gdb/config/i386/xm-windows.h.
2879
2880Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2881
2882 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2883 that messes up arithmetic shifts.
2884
2885Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2886
2887 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2888 SIGTRAP and SIGQUIT for _WIN32.
2889
2890Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2891
2892 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2893 force a 64 bit multiplication.
2894 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2895 destination register is 0, since that is the default mips16 nop
2896 instruction.
2897
2898Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2899
2900 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2901 (build_endian_shift): Don't check proc64.
2902 (build_instruction): Always set memval to uword64. Cast op2 to
2903 uword64 when shifting it left in memory instructions. Always use
2904 the same code for stores--don't special case proc64.
2905
2906 * gencode.c (build_mips16_operands): Fix base PC value for PC
2907 relative operands.
2908 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2909 jal instruction.
2910 * interp.c (simJALDELAYSLOT): Define.
2911 (JALDELAYSLOT): Define.
2912 (INDELAYSLOT, INJALDELAYSLOT): Define.
2913 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2914
2915Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2916
2917 * interp.c (sim_open): add flush_cache as a PMON routine
2918 (sim_monitor): handle flush_cache by ignoring it
2919
2920Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2921
2922 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2923 BigEndianMem.
2924 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2925 (BigEndianMem): Rename to ByteSwapMem and change sense.
2926 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2927 BigEndianMem references to !ByteSwapMem.
2928 (set_endianness): New function, with prototype.
2929 (sim_open): Call set_endianness.
2930 (sim_info): Use simBE instead of BigEndianMem.
2931 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2932 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2933 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2934 ifdefs, keeping the prototype declaration.
2935 (swap_word): Rewrite correctly.
2936 (ColdReset): Delete references to CONFIG. Delete endianness related
2937 code; moved to set_endianness.
2938
2939Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2940
2941 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2942 * interp.c (CHECKHILO): Define away.
2943 (simSIGINT): New macro.
2944 (membank_size): Increase from 1MB to 2MB.
2945 (control_c): New function.
2946 (sim_resume): Rename parameter signal to signal_number. Add local
2947 variable prev. Call signal before and after simulate.
2948 (sim_stop_reason): Add simSIGINT support.
2949 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2950 functions always.
2951 (sim_warning): Delete call to SignalException. Do call printf_filtered
2952 if logfh is NULL.
2953 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2954 a call to sim_warning.
2955
2956Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2957
2958 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2959 16 bit instructions.
2960
2961Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2962
2963 Add support for mips16 (16 bit MIPS implementation):
2964 * gencode.c (inst_type): Add mips16 instruction encoding types.
2965 (GETDATASIZEINSN): Define.
2966 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2967 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2968 mtlo.
2969 (MIPS16_DECODE): New table, for mips16 instructions.
2970 (bitmap_val): New static function.
2971 (struct mips16_op): Define.
2972 (mips16_op_table): New table, for mips16 operands.
2973 (build_mips16_operands): New static function.
2974 (process_instructions): If PC is odd, decode a mips16
2975 instruction. Break out instruction handling into new
2976 build_instruction function.
2977 (build_instruction): New static function, broken out of
2978 process_instructions. Check modifiers rather than flags for SHIFT
2979 bit count and m[ft]{hi,lo} direction.
2980 (usage): Pass program name to fprintf.
2981 (main): Remove unused variable this_option_optind. Change
2982 ``*loptarg++'' to ``loptarg++''.
2983 (my_strtoul): Parenthesize && within ||.
2984 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2985 (simulate): If PC is odd, fetch a 16 bit instruction, and
2986 increment PC by 2 rather than 4.
2987 * configure.in: Add case for mips16*-*-*.
2988 * configure: Rebuild.
2989
2990Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2991
2992 * interp.c: Allow -t to enable tracing in standalone simulator.
2993 Fix garbage output in trace file and error messages.
2994
2995Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2996
2997 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2998 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2999 * configure.in: Simplify using macros in ../common/aclocal.m4.
3000 * configure: Regenerated.
3001 * tconfig.in: New file.
3002
3003Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3004
3005 * interp.c: Fix bugs in 64-bit port.
3006 Use ansi function declarations for msvc compiler.
3007 Initialize and test file pointer in trace code.
3008 Prevent duplicate definition of LAST_EMED_REGNUM.
3009
3010Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3011
3012 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3013
3014Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3015
3016 * interp.c (SignalException): Check for explicit terminating
3017 breakpoint value.
3018 * gencode.c: Pass instruction value through SignalException()
3019 calls for Trap, Breakpoint and Syscall.
3020
3021Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3022
3023 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3024 only used on those hosts that provide it.
3025 * configure.in: Add sqrt() to list of functions to be checked for.
3026 * config.in: Re-generated.
3027 * configure: Re-generated.
3028
3029Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3030
3031 * gencode.c (process_instructions): Call build_endian_shift when
3032 expanding STORE RIGHT, to fix swr.
3033 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3034 clear the high bits.
3035 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3036 Fix float to int conversions to produce signed values.
3037
3038Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3039
3040 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3041 (process_instructions): Correct handling of nor instruction.
3042 Correct shift count for 32 bit shift instructions. Correct sign
3043 extension for arithmetic shifts to not shift the number of bits in
3044 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3045 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3046 Fix madd.
3047 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3048 It's OK to have a mult follow a mult. What's not OK is to have a
3049 mult follow an mfhi.
3050 (Convert): Comment out incorrect rounding code.
3051
3052Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3053
3054 * interp.c (sim_monitor): Improved monitor printf
3055 simulation. Tidied up simulator warnings, and added "--log" option
3056 for directing warning message output.
3057 * gencode.c: Use sim_warning() rather than WARNING macro.
3058
3059Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3060
3061 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3062 getopt1.o, rather than on gencode.c. Link objects together.
3063 Don't link against -liberty.
3064 (gencode.o, getopt.o, getopt1.o): New targets.
3065 * gencode.c: Include <ctype.h> and "ansidecl.h".
3066 (AND): Undefine after including "ansidecl.h".
3067 (ULONG_MAX): Define if not defined.
3068 (OP_*): Don't define macros; now defined in opcode/mips.h.
3069 (main): Call my_strtoul rather than strtoul.
3070 (my_strtoul): New static function.
3071
3072Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3073
3074 * gencode.c (process_instructions): Generate word64 and uword64
3075 instead of `long long' and `unsigned long long' data types.
3076 * interp.c: #include sysdep.h to get signals, and define default
3077 for SIGBUS.
3078 * (Convert): Work around for Visual-C++ compiler bug with type
3079 conversion.
3080 * support.h: Make things compile under Visual-C++ by using
3081 __int64 instead of `long long'. Change many refs to long long
3082 into word64/uword64 typedefs.
3083
3084Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3085
3086 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3087 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3088 (docdir): Removed.
3089 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3090 (AC_PROG_INSTALL): Added.
3091 (AC_PROG_CC): Moved to before configure.host call.
3092 * configure: Rebuilt.
3093
3094Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3095
3096 * configure.in: Define @SIMCONF@ depending on mips target.
3097 * configure: Rebuild.
3098 * Makefile.in (run): Add @SIMCONF@ to control simulator
3099 construction.
3100 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3101 * interp.c: Remove some debugging, provide more detailed error
3102 messages, update memory accesses to use LOADDRMASK.
3103
3104Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3105
3106 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3107 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3108 stamp-h.
3109 * configure: Rebuild.
3110 * config.in: New file, generated by autoheader.
3111 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3112 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3113 HAVE_ANINT and HAVE_AINT, as appropriate.
3114 * Makefile.in (run): Use @LIBS@ rather than -lm.
3115 (interp.o): Depend upon config.h.
3116 (Makefile): Just rebuild Makefile.
3117 (clean): Remove stamp-h.
3118 (mostlyclean): Make the same as clean, not as distclean.
3119 (config.h, stamp-h): New targets.
3120
3121Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3122
3123 * interp.c (ColdReset): Fix boolean test. Make all simulator
3124 globals static.
3125
3126Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3127
3128 * interp.c (xfer_direct_word, xfer_direct_long,
3129 swap_direct_word, swap_direct_long, xfer_big_word,
3130 xfer_big_long, xfer_little_word, xfer_little_long,
3131 swap_word,swap_long): Added.
3132 * interp.c (ColdReset): Provide function indirection to
3133 host<->simulated_target transfer routines.
3134 * interp.c (sim_store_register, sim_fetch_register): Updated to
3135 make use of indirected transfer routines.
3136
3137Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3138
3139 * gencode.c (process_instructions): Ensure FP ABS instruction
3140 recognised.
3141 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3142 system call support.
3143
3144Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3145
3146 * interp.c (sim_do_command): Complain if callback structure not
3147 initialised.
3148
3149Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3150
3151 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3152 support for Sun hosts.
3153 * Makefile.in (gencode): Ensure the host compiler and libraries
3154 used for cross-hosted build.
3155
3156Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3157
3158 * interp.c, gencode.c: Some more (TODO) tidying.
3159
3160Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3161
3162 * gencode.c, interp.c: Replaced explicit long long references with
3163 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3164 * support.h (SET64LO, SET64HI): Macros added.
3165
3166Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3167
3168 * configure: Regenerate with autoconf 2.7.
3169
3170Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3171
3172 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3173 * support.h: Remove superfluous "1" from #if.
3174 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3175
3176Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3177
3178 * interp.c (StoreFPR): Control UndefinedResult() call on
3179 WARN_RESULT manifest.
3180
3181Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3182
3183 * gencode.c: Tidied instruction decoding, and added FP instruction
3184 support.
3185
3186 * interp.c: Added dineroIII, and BSD profiling support. Also
3187 run-time FP handling.
3188
3189Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3190
3191 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3192 gencode.c, interp.c, support.h: created.