12007-09-04  Nick Clifton  <nickc@redhat.com>
2
3	* interp.c (options enum): Add OPTION_INFO_MEMORY.
4	(display_mem_info): New static variable.
5	(mips_option_handler): Handle OPTION_INFO_MEMORY.
6	(mips_options): Add info-memory and memory-info.
7	(sim_open): After processing the command line and board
8	specification, check display_mem_info.  If it is set then
9	call the real handler for the --memory-info command line
10	switch.
11
122007-08-24  Joel Brobecker  <brobecker@adacore.com>
13
14	* configure.ac: Change license of multi-run.c to GPL version 3.
15	* configure: Regenerate.
16
172007-06-28  Richard Sandiford  <richard@codesourcery.com>
18
19	* configure.ac, configure: Revert last patch.
20
212007-06-26  Richard Sandiford  <richard@codesourcery.com>
22
23	* configure.ac (sim_mipsisa3264_configs): New variable.
24	(mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
25	every configuration support all four targets, using the triplet to
26	determine the default.
27	* configure: Regenerate.
28
292007-06-25  Richard Sandiford  <richard@codesourcery.com>
30
31	* Makefile.in (m16run.o): New rule.
32
332007-05-15  Thiemo Seufer  <ths@mips.com>
34
35	* mips3264r2.igen (DSHD): Fix compile warning.
36
372007-05-14  Thiemo Seufer  <ths@mips.com>
38
39	* mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
40	CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
41	NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
42	RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
43	for mips32r2.
44
452007-03-01  Thiemo Seufer  <ths@mips.com>
46
47	* mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
48	and mips64.
49
502007-02-20  Thiemo Seufer  <ths@mips.com>
51
52	* dsp.igen: Update copyright notice.
53	* dsp2.igen: Fix copyright notice.
54
552007-02-20  Thiemo Seufer  <ths@mips.com>
56            Chao-Ying Fu  <fu@mips.com>
57
58	* Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
59	* configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
60	Add dsp2 to sim_igen_machine.
61	* configure: Regenerate.
62	* dsp.igen (do_ph_op): Add MUL support when op = 2.
63	(do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
64	(mulq_rs.ph): Use do_ph_mulq.
65	(MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
66	* mips.igen: Add dsp2 model and include dsp2.igen.
67	(MFHI, MFLO, MTHI, MTLO): Extend these instructions for
68	for *mips32r2, *mips64r2, *dsp.
69	(MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
70	for *mips32r2, *mips64r2, *dsp2.
71	* dsp2.igen: New file for MIPS DSP REV 2 ASE.
72
732007-02-19  Thiemo Seufer  <ths@mips.com>
74            Nigel Stephens  <nigel@mips.com>
75
76	* mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
77	jumps with hazard barrier.
78
792007-02-19  Thiemo Seufer  <ths@mips.com>
80            Nigel Stephens  <nigel@mips.com>
81
82	* interp.c (sim_monitor): Flush stdout and stderr file descriptors
83	after each call to sim_io_write.
84
852007-02-19  Thiemo Seufer  <ths@mips.com>
86            Nigel Stephens  <nigel@mips.com>
87
88	* interp.c (ColdReset): Set CP0 Config0 to reflect the address size
89	supported by this simulator.
90	(decode_coproc): Recognise additional CP0 Config registers
91	correctly.
92
932007-02-19  Thiemo Seufer  <ths@mips.com>
94            Nigel Stephens  <nigel@mips.com>
95            David Ung  <davidu@mips.com>
96
97	* cp1.c (value_fpr): Don't inherit existing FPR_STATE for
98	uninterpreted formats. If fmt is one of the uninterpreted types
99	don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
100	fmt_word, and fmt_uninterpreted_64 like fmt_long.
101	(store_fpr): When writing an invalid odd register, set the
102	matching even register to fmt_unknown, not the following register.
103	* interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
104	the the memory window at offset 0 set by --memory-size command
105	line option.
106	(sim_store_register): Handle storing 4 bytes to an 8 byte floating
107	point register.
108	(sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
109	register.
110	(sim_monitor): When returning the memory size to the MIPS
111	application, use the value in STATE_MEM_SIZE, not an arbitrary
112	hardcoded value.
113	(cop_lw): Don' mess around with FPR_STATE, just pass
114	fmt_uninterpreted_32 to StoreFPR.
115	(cop_sw): Similarly.
116	(cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
117	(cop_sd): Similarly.
118	* mips.igen (not_word_value): Single version for mips32, mips64
119	and mips16.
120
1212007-02-19  Thiemo Seufer <ths@mips.com>
122            Nigel Stephens  <nigel@mips.com>
123
124	* interp.c (MEM_SIZE): Increase default memory size from 2 to 8
125	MBytes.
126
1272007-02-17  Thiemo Seufer  <ths@mips.com>
128
129	* configure.ac (mips*-sde-elf*): Move in front of generic machine
130	configuration.
131	* configure: Regenerate.
132
1332007-02-17  Thiemo Seufer  <ths@mips.com>
134
135	* configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
136	Add mdmx to sim_igen_machine.
137	(mipsisa64*-*-*): Likewise. Remove dsp.
138	(mipsisa32*-*-*): Remove dsp.
139	* configure: Regenerate.
140
1412007-02-13  Thiemo Seufer  <ths@mips.com>
142
143	* configure.ac: Add mips*-sde-elf* target.
144	* configure: Regenerate.
145
1462006-12-21  Hans-Peter Nilsson  <hp@axis.com>
147
148	* acconfig.h: Remove.
149	* config.in, configure: Regenerate.
150
1512006-11-07  Thiemo Seufer  <ths@mips.com>
152
153	* dsp.igen (do_w_op): Fix compiler warning.
154
1552006-08-29  Thiemo Seufer  <ths@mips.com>
156            David Ung  <davidu@mips.com>
157
158	* configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
159	sim_igen_machine.
160	* configure: Regenerate.
161	* mips.igen (model): Add smartmips.
162	(MADDU): Increment ACX if carry.
163	(do_mult): Clear ACX.
164	(ROR,RORV): Add smartmips.
165	(include): Include smartmips.igen.	
166	* sim-main.h (ACX): Set to REGISTERS[89].
167	* smartmips.igen: New file.
168
1692006-08-29  Thiemo Seufer  <ths@mips.com>
170            David Ung  <davidu@mips.com>
171
172	* Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
173	mips3264r2.igen. Add missing dependency rules.
174	* m16e.igen: Support for mips16e save/restore instructions.
175
1762006-06-13  Richard Earnshaw  <rearnsha@arm.com>
177
178	* configure: Regenerated.
179
1802006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
181
182	* configure: Regenerated.
183
1842006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
185
186	* configure: Regenerated.
187
1882006-05-15 Chao-ying Fu  <fu@mips.com>
189
190	* dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
191
1922006-04-18  Nick Clifton  <nickc@redhat.com>
193
194	* dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
195	statement.
196
1972006-03-29  Hans-Peter Nilsson  <hp@axis.com>
198
199	* configure: Regenerate.
200
2012005-12-14  Chao-ying Fu  <fu@mips.com>
202
203	* Makefile.in (SIM_OBJS): Add dsp.o.
204	(dsp.o): New dependency.
205	(IGEN_INCLUDE): Add dsp.igen.
206	* configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
207	mipsisa64*-*-*): Add dsp to sim_igen_machine.
208	* configure: Regenerate.
209	* mips.igen: Add dsp model and include dsp.igen.
210	(MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
211	because these instructions are extended in DSP ASE.
212	* sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
213	adding 6 DSP accumulator registers and 1 DSP control register.
214	(AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
215	AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
216	DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
217	DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
218	DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
219	DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
220	DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
221	DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
222	DSPCR_CCOND_SMASK): New define.
223	(DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
224	* dsp.c, dsp.igen: New files for MIPS DSP ASE.
225
2262005-07-08  Ian Lance Taylor  <ian@airs.com>
227
228	* tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
229
2302005-06-16  David Ung  <davidu@mips.com>
231            Nigel Stephens  <nigel@mips.com>
232
233        * mips.igen: New mips16e model and include m16e.igen.
234        (check_u64): Add mips16e tag.
235        * m16e.igen: New file for MIPS16e instructions.
236        * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
237        mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
238        models.
239        * configure: Regenerate.
240
2412005-05-26  David Ung  <davidu@mips.com>
242 
243 	* mips.igen (mips32r2, mips64r2): New ISA models.  Add new model
244	tags to all instructions which are applicable to the new ISAs.
245 	(do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
246	vr.igen.
247 	* mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
248 	instructions. 
249 	* vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
250	to mips.igen.
251 	* configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
252	* configure: Regenerate.
253 
2542005-03-23  Mark Kettenis  <kettenis@gnu.org>
255
256	* configure: Regenerate.
257
2582005-01-14  Andrew Cagney  <cagney@gnu.org>
259
260	* configure.ac: Sinclude aclocal.m4 before common.m4.  Add
261	explicit call to AC_CONFIG_HEADER.
262	* configure: Regenerate.
263
2642005-01-12  Andrew Cagney  <cagney@gnu.org>
265
266	* configure.ac: Update to use ../common/common.m4.
267	* configure: Re-generate.
268
2692005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
270
271	* configure: Regenerated to track ../common/aclocal.m4 changes.
272
2732005-01-07  Andrew Cagney  <cagney@gnu.org>
274
275	* configure.ac: Rename configure.in, require autoconf 2.59.
276	* configure: Re-generate.
277
2782004-12-08  Hans-Peter Nilsson  <hp@axis.com>
279
280	* configure: Regenerate for ../common/aclocal.m4 update.
281
2822004-09-24  Monika Chaddha  <monika@acmet.com>
283	
284	Committed by Andrew Cagney.
285	* m16.igen (CMP, CMPI): Fix assembler.
286
2872004-08-18  Chris Demetriou  <cgd@broadcom.com>
288
289	* configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
290	* configure: Regenerate.
291
2922004-06-25  Chris Demetriou  <cgd@broadcom.com>
293
294	* configure.in (sim_m16_machine): Include mipsIII.
295	* configure: Regenerate.
296
2972004-05-11  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
298
299	* mips/interp.c (decode_coproc): Sign-extend the address retrieved 
300	from COP0_BADVADDR.
301	* mips/sim-main.h (COP0_BADVADDR): Remove a cast.
302
3032004-04-10  Chris Demetriou  <cgd@broadcom.com>
304
305	* sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
306
3072004-04-09  Chris Demetriou  <cgd@broadcom.com>
308
309	* mips.igen (check_fmt): Remove.
310	(ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
311	(CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
312	(FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
313	(MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
314	(ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
315	(TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
316	(check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
317	(FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
318	(SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
319	(C.cnd.fmta): Remove incorrect call to check_fmt_p.
320
3212004-04-09  Chris Demetriou  <cgd@broadcom.com>
322
323	* sb1.igen (check_sbx): New function.
324	(PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
325
3262004-03-29  Chris Demetriou  <cgd@broadcom.com>
327	    Richard Sandiford  <rsandifo@redhat.com>
328
329	* sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
330	(MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
331	* mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
332	separate implementations for mipsIV and mipsV.  Use new macros to
333	determine whether the restrictions apply.
334
3352004-01-19  Chris Demetriou  <cgd@broadcom.com>
336
337	* mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
338	(check_mult_hilo): Improve comments.
339	(check_div_hilo): Likewise.  Also, fork off a new version
340	to handle mips32/mips64 (since there are no hazards to check
341	in MIPS32/MIPS64).
342
3432003-06-17  Richard Sandiford  <rsandifo@redhat.com>
344
345	* mips.igen (do_dmultx): Fix check for negative operands.
346
3472003-05-16  Ian Lance Taylor  <ian@airs.com>
348
349	* Makefile.in (SHELL): Make sure this is defined.
350	(various): Use $(SHELL) whenever we invoke move-if-change.
351
3522003-05-03  Chris Demetriou  <cgd@broadcom.com>
353
354	* cp1.c: Tweak attribution slightly.
355	* cp1.h: Likewise.
356	* mdmx.c: Likewise.
357	* mdmx.igen: Likewise.
358	* mips3d.igen: Likewise.
359	* sb1.igen: Likewise.
360
3612003-04-15  Richard Sandiford  <rsandifo@redhat.com>
362
363	* vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
364	unsigned operands.
365
3662003-02-27  Andrew Cagney  <cagney@redhat.com>
367
368	* interp.c (sim_open): Rename _bfd to bfd.
369	(sim_create_inferior): Ditto.
370
3712003-01-14  Chris Demetriou  <cgd@broadcom.com>
372
373	* mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
374
3752003-01-14  Chris Demetriou  <cgd@broadcom.com>
376
377	* mips.igen (EI, DI): Remove.
378
3792003-01-05  Richard Sandiford  <rsandifo@redhat.com>
380
381	* Makefile.in (tmp-run-multi): Fix mips16 filter.
382
3832003-01-04  Richard Sandiford  <rsandifo@redhat.com>
384	    Andrew Cagney  <ac131313@redhat.com>
385	    Gavin Romig-Koch  <gavin@redhat.com>
386	    Graydon Hoare  <graydon@redhat.com>
387	    Aldy Hernandez  <aldyh@redhat.com>
388	    Dave Brolley  <brolley@redhat.com>
389	    Chris Demetriou  <cgd@broadcom.com>
390
391	* configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
392	(sim_mach_default): New variable.
393	(mips64vr-*-*, mips64vrel-*-*): New configurations.
394	Add a new simulator generator, MULTI.
395	* configure: Regenerate.
396	* Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
397	(multi-run.o): New dependency.
398	(SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
399	(tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
400	(tmp-multi): Combine them.
401	(BUILT_SRC_FROM_MULTI): New variable.  Depend on tmp-multi.
402	(clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
403	(distclean-extra): New rule.
404	* sim-main.h: Include bfd.h.
405	(MIPS_MACH): New macro.
406	* mips.igen (vr4120, vr5400, vr5500): New models.
407	(clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
408	* vr.igen: Replace with new version.
409
4102003-01-04  Chris Demetriou  <cgd@broadcom.com>
411
412	* configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
413	* configure: Regenerate.
414
4152002-12-31  Chris Demetriou  <cgd@broadcom.com>
416
417	* sim-main.h (check_branch_bug, mark_branch_bug): Remove.
418	* mips.igen: Remove all invocations of check_branch_bug and
419	mark_branch_bug.
420
4212002-12-16  Chris Demetriou  <cgd@broadcom.com>
422
423        * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
424
4252002-07-30  Chris Demetriou  <cgd@broadcom.com>
426
427	* mips.igen (do_load_double, do_store_double): New functions.
428	(LDC1, SDC1): Rename to...
429	(LDC1b, SDC1b): respectively.
430	(LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
431
4322002-07-29  Michael Snyder  <msnyder@redhat.com>
433
434	* cp1.c (fp_recip2): Modify initialization expression so that
435	GCC will recognize it as constant.
436
4372002-06-18  Chris Demetriou  <cgd@broadcom.com>
438
439	* mdmx.c (SD_): Delete.
440	(Unpredictable): Re-define, for now, to directly invoke
441	unpredictable_action().
442	(mdmx_acc_op): Fix error in .ob immediate handling.
443
4442002-06-18  Andrew Cagney  <cagney@redhat.com>
445
446	* interp.c (sim_firmware_command): Initialize `address'.
447
4482002-06-16  Andrew Cagney  <ac131313@redhat.com>
449
450	* configure: Regenerated to track ../common/aclocal.m4 changes.
451
4522002-06-14  Chris Demetriou  <cgd@broadcom.com>
453            Ed Satterthwaite  <ehs@broadcom.com>
454
455	* mips3d.igen: New file which contains MIPS-3D ASE instructions.
456	* Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
457	* mips.igen: Include mips3d.igen.
458	(mips3d): New model name for MIPS-3D ASE instructions.
459	(CVT.W.fmt): Don't use this instruction for word (source) format
460	instructions. 
461	* cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
462	(fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
463	(fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
464	(NR_FRAC_GUARD, IMPLICIT_1): New macros.
465	* sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
466	(RSquareRoot1, RSquareRoot2): New macros.
467	(fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
468	(fp_rsqrt2): New functions.
469	* configure.in: Add MIPS-3D support to mipsisa64 simulator.
470	* configure: Regenerate.
471
4722002-06-13  Chris Demetriou  <cgd@broadcom.com>
473            Ed Satterthwaite  <ehs@broadcom.com>
474
475	* cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
476	(value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
477	(fp_inv_sqrt, fpu_format_name): Add paired-single support.
478	(convert): Note that this function is not used for paired-single
479	format conversions.
480	(ps_lower, ps_upper, pack_ps, convert_ps): New functions.
481	* mips.igen (FMT, MOVtf.fmt): Add paired-single support.
482	(check_fmt_p): Enable paired-single support.
483	(ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
484	(PUU.PS): New instructions.
485	(CVT.S.fmt): Don't use this instruction for paired-single format
486	destinations.
487	* sim-main.h (FP_formats): New value 'fmt_ps.'
488	(ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
489	(PSLower, PSUpper, PackPS, ConvertPS): New macros.
490
4912002-06-12  Chris Demetriou  <cgd@broadcom.com>
492
493	* mips.igen: Fix formatting of function calls in
494	many FP operations.
495
4962002-06-12  Chris Demetriou  <cgd@broadcom.com>
497
498	* mips.igen (MOVN, MOVZ): Trace result.
499	(TNEI): Print "tnei" as the opcode name in traces.
500	(CEIL.W): Add disassembly string for traces.
501	(RSQRT.fmt): Make location of disassembly string consistent
502	with other instructions.
503
5042002-06-12  Chris Demetriou  <cgd@broadcom.com>
505
506	* mips.igen (X): Delete unused function.
507
5082002-06-08  Andrew Cagney  <cagney@redhat.com>
509
510	* interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
511
5122002-06-07  Chris Demetriou  <cgd@broadcom.com>
513            Ed Satterthwaite  <ehs@broadcom.com>
514
515	* cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
516	(fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
517	* sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
518	(fp_nmsub): New prototypes.
519	(RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
520	(NegMultiplySub): New defines.
521	* mips.igen (RSQRT.fmt): Use RSquareRoot().
522	(MADD.D, MADD.S): Replace with...
523	(MADD.fmt): New instruction.
524	(MSUB.D, MSUB.S): Replace with...
525	(MSUB.fmt): New instruction.
526	(NMADD.D, NMADD.S): Replace with...
527	(NMADD.fmt): New instruction.
528	(NMSUB.D, MSUB.S): Replace with...
529	(NMSUB.fmt): New instruction.
530
5312002-06-07  Chris Demetriou  <cgd@broadcom.com>
532            Ed Satterthwaite  <ehs@broadcom.com>
533
534	* cp1.c: Fix more comment spelling and formatting.
535	(value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
536	(denorm_mode): New function.
537	(fpu_unary, fpu_binary): Round results after operation, collect
538	status from rounding operations, and update the FCSR.
539	(convert): Collect status from integer conversions and rounding
540	operations, and update the FCSR.  Adjust NaN values that result
541	from conversions.  Convert to use sim_io_eprintf rather than
542	fprintf, and remove some debugging code.
543	* cp1.h (fenr_FS): New define.
544
5452002-06-07  Chris Demetriou  <cgd@broadcom.com>
546
547	* cp1.c (convert): Remove unusable debugging code, and move MIPS
548	rounding mode to sim FP rounding mode flag conversion code into...
549	(rounding_mode): New function.
550
5512002-06-07  Chris Demetriou  <cgd@broadcom.com>
552
553	* cp1.c: Clean up formatting of a few comments.
554	(value_fpr): Reformat switch statement.
555
5562002-06-06  Chris Demetriou  <cgd@broadcom.com>
557            Ed Satterthwaite  <ehs@broadcom.com>
558
559	* cp1.h: New file.
560	* sim-main.h: Include cp1.h.
561	(SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
562	(FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
563	(FP_RM_TOMINF, GETRM): Remove.  Moved to cp1.h.
564	(FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
565	(value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
566	(ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
567	* cp1.c: Don't include sim-fpu.h; already included by
568	sim-main.h.  Clean up formatting of some comments.
569	(NaN, Equal, Less): Remove.
570	(test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
571	(fp_cmp): New functions.
572	* mips.igen (do_c_cond_fmt): Remove.
573	(C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
574	Compare.  Add result tracing.
575	(CxC1): Remove, replace with...
576	(CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
577	(DMxC1): Remove, replace with...
578	(DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
579	(MxC1): Remove, replace with... 
580	(MFC1a, MFC1b, MTC1a, MTC1b): New instructions.  
581
5822002-06-04  Chris Demetriou  <cgd@broadcom.com>
583
584	* sim-main.h (FGRIDX): Remove, replace all uses with...
585	(FGR_BASE): New macro.
586	(FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
587	(_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
588	(NR_FGR, FGR): Likewise.
589	* interp.c: Replace all uses of FGRIDX with FGR_BASE.
590	* mips.igen: Likewise.
591
5922002-06-04  Chris Demetriou  <cgd@broadcom.com>
593
594	* cp1.c: Add an FSF Copyright notice to this file.
595
5962002-06-04  Chris Demetriou  <cgd@broadcom.com>
597            Ed Satterthwaite  <ehs@broadcom.com>
598
599	* cp1.c (Infinity): Remove.
600	* sim-main.h (Infinity): Likewise.
601
602	* cp1.c (fp_unary, fp_binary): New functions.
603	(fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
604	(fp_sqrt): New functions, implemented in terms of the above.
605	(AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
606	(Recip, SquareRoot): Remove (replaced by functions above).
607	* sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
608	(fp_recip, fp_sqrt): New prototypes.
609	(AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
610	(Recip, SquareRoot): Replace prototypes with #defines which
611	invoke the functions above.
612	
6132002-06-03  Chris Demetriou  <cgd@broadcom.com>
614
615	* sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
616	(Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
617	file, remove PARAMS from prototypes.
618	(value_fpr, store_fpr, convert): Likewise.  Use SIM_STATE to provide
619	simulator state arguments.
620	(ValueFPR, StoreFPR, Convert): Move lower in file.  Use SIM_ARGS to
621	pass simulator state arguments.
622	* cp1.c (SD): Redefine as CPU_STATE(cpu).
623	(store_fpr, convert): Remove 'sd' argument.
624	(value_fpr): Likewise.  Convert to use 'SD' instead.
625
6262002-06-03  Chris Demetriou  <cgd@broadcom.com>
627
628	* cp1.c (Min, Max): Remove #if 0'd functions.
629	* sim-main.h (Min, Max): Remove.
630
6312002-06-03  Chris Demetriou  <cgd@broadcom.com>
632
633	* cp1.c: fix formatting of switch case and default labels.
634	* interp.c: Likewise.
635	* sim-main.c: Likewise.
636
6372002-06-03  Chris Demetriou  <cgd@broadcom.com>
638
639	* cp1.c: Clean up comments which describe FP formats.
640	 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
641
6422002-06-03  Chris Demetriou  <cgd@broadcom.com>
643            Ed Satterthwaite  <ehs@broadcom.com>
644
645	* configure.in (mipsisa64sb1*-*-*): New target for supporting
646	Broadcom SiByte SB-1 processor configurations.
647	* configure: Regenerate.
648	* sb1.igen: New file.
649	* mips.igen: Include sb1.igen.
650	(sb1): New model.
651	* Makefile.in (IGEN_INCLUDE): Add sb1.igen.
652	* mdmx.igen: Add "sb1" model to all appropriate functions and
653	instructions.
654	* mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
655	(ob_func, ob_acc): Reference the above.
656	(qh_acc): Adjust to keep the same size as ob_acc.
657	* sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
658	(MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
659
6602002-06-03  Chris Demetriou  <cgd@broadcom.com>
661
662	* Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
663
6642002-06-02  Chris Demetriou  <cgd@broadcom.com>
665            Ed Satterthwaite  <ehs@broadcom.com>
666
667	* mips.igen (mdmx): New (pseudo-)model.
668	* mdmx.c, mdmx.igen: New files.
669	* Makefile.in (SIM_OBJS): Add mdmx.o.
670	* sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
671	New typedefs.
672	(ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
673	(MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
674	(MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
675	(MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
676	(MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
677	(MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
678	(MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
679	(MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
680	(MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
681	(MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
682	(MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
683	(MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
684	(SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
685	(qh_fmtsel): New macros.
686	(_sim_cpu): New member "acc".
687	(mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
688	(mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
689
6902002-05-01  Chris Demetriou  <cgd@broadcom.com>
691
692	* interp.c: Use 'deprecated' rather than 'depreciated.'
693	* sim-main.h: Likewise.
694
6952002-05-01  Chris Demetriou  <cgd@broadcom.com>
696
697	* cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
698	which wouldn't compile anyway.
699	* sim-main.h (unpredictable_action): New function prototype.
700	(Unpredictable): Define to call igen function unpredictable().
701	(NotWordValue): New macro to call igen function not_word_value().
702	(UndefinedResult): Remove.
703	* interp.c (undefined_result): Remove.
704	(unpredictable_action): New function.
705	* mips.igen (not_word_value, unpredictable): New functions.
706	(ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
707	(CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
708	(do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
709	NotWordValue() to check for unpredictable inputs, then
710	Unpredictable() to handle them.
711
7122002-02-24  Chris Demetriou  <cgd@broadcom.com>
713
714	* mips.igen: Fix formatting of calls to Unpredictable().
715
7162002-04-20  Andrew Cagney  <ac131313@redhat.com>
717
718	* interp.c (sim_open): Revert previous change.
719
7202002-04-18  Alexandre Oliva  <aoliva@redhat.com>
721
722	* interp.c (sim_open): Disable chunk of code that wrote code in
723	vector table entries.
724
7252002-03-19  Chris Demetriou  <cgd@broadcom.com>
726
727	* cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
728	(FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
729	unused definitions.
730
7312002-03-19  Chris Demetriou  <cgd@broadcom.com>
732
733	* cp1.c: Fix many formatting issues.
734
7352002-03-19  Chris G. Demetriou  <cgd@broadcom.com>
736
737	* cp1.c (fpu_format_name): New function to replace...
738	(DOFMT): This.  Delete, and update all callers.
739	(fpu_rounding_mode_name): New function to replace...
740	(RMMODE): This.  Delete, and update all callers.
741
7422002-03-19  Chris G. Demetriou  <cgd@broadcom.com>
743
744	* interp.c: Move FPU support routines from here to...
745	* cp1.c: Here.  New file.
746	* Makefile.in (SIM_OBJS): Add cp1.o to object list.
747	(cp1.o): New target.
748
7492002-03-12  Chris Demetriou  <cgd@broadcom.com>
750
751	* configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
752	* mips.igen (mips32, mips64): New models, add to all instructions
753	and functions as appropriate.
754	(loadstore_ea, check_u64): New variant for model mips64.
755	(check_fmt_p): New variant for models mipsV and mips64, remove
756	mipsV model marking fro other variant.
757	(SLL) Rename to...
758	(SLLa) this.
759	(CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
760	for mips32 and mips64.
761	(DCLO, DCLZ): New instructions for mips64.
762
7632002-03-07  Chris Demetriou  <cgd@broadcom.com>
764
765	* mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
766	immediate or code as a hex value with the "%#lx" format.
767	(ANDI): Likewise, and fix printed instruction name.
768
7692002-03-05  Chris Demetriou  <cgd@broadcom.com>
770
771	* sim-main.h (UndefinedResult, Unpredictable): New macros
772	which currently do nothing.
773
7742002-03-05  Chris Demetriou  <cgd@broadcom.com>
775
776	* sim-main.h (status_UX, status_SX, status_KX, status_TS)
777	(status_PX, status_MX, status_CU0, status_CU1, status_CU2)
778	(status_CU3): New definitions.
779
780	* sim-main.h (ExceptionCause): Add new values for MIPS32
781	and MIPS64: MDMX, MCheck, CacheErr.  Update comments
782	for DebugBreakPoint and NMIReset to note their status in
783	MIPS32 and MIPS64.
784	(SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
785	(SignalExceptionCacheErr): New exception macros.
786
7872002-03-05  Chris Demetriou  <cgd@broadcom.com>
788
789	* mips.igen (check_fpu): Enable check for coprocessor 1 usability.
790	* sim-main.h (COP_Usable): Define, but for now coprocessor 1
791	is always enabled.
792	(SignalExceptionCoProcessorUnusable): Take as argument the
793	unusable coprocessor number.
794
7952002-03-05  Chris Demetriou  <cgd@broadcom.com>
796
797	* mips.igen: Fix formatting of all SignalException calls.
798
7992002-03-05  Chris Demetriou  <cgd@broadcom.com>
800
801	* sim-main.h (SIGNEXTEND): Remove.
802
8032002-03-04  Chris Demetriou  <cgd@broadcom.com>
804
805	* mips.igen: Remove gencode comment from top of file, fix
806	spelling in another comment.
807
8082002-03-04  Chris Demetriou  <cgd@broadcom.com>
809
810	* mips.igen (check_fmt, check_fmt_p): New functions to check
811	whether specific floating point formats are usable.
812	(ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
813	(FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
814	(ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
815	Use the new functions.
816	(do_c_cond_fmt): Remove format checks...
817	(C.cond.fmta, C.cond.fmtb): And move them into all callers.
818
8192002-03-03  Chris Demetriou  <cgd@broadcom.com>
820
821	* mips.igen: Fix formatting of check_fpu calls.
822
8232002-03-03  Chris Demetriou  <cgd@broadcom.com>
824
825	* mips.igen (FLOOR.L.fmt): Store correct destination register.
826
8272002-03-03  Chris Demetriou  <cgd@broadcom.com>
828
829	* mips.igen: Remove whitespace at end of lines.
830
8312002-03-02  Chris Demetriou  <cgd@broadcom.com>
832
833	* mips.igen (loadstore_ea): New function to do effective
834	address calculations.
835	(do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
836	do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
837	CACHE): Use loadstore_ea to do effective address computations.
838
8392002-03-02  Chris Demetriou  <cgd@broadcom.com>
840
841	* interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
842	* mips.igen (LL, CxC1, MxC1): Likewise.
843
8442002-03-02  Chris Demetriou  <cgd@broadcom.com>
845
846	* mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
847	CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
848	FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
849	MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
850	NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
851	SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
852	Don't split opcode fields by hand, use the opcode field values
853	provided by igen.
854
8552002-03-01  Chris Demetriou  <cgd@broadcom.com>
856
857	* mips.igen (do_divu): Fix spacing.
858
859	* mips.igen (do_dsllv): Move to be right before DSLLV,
860	to match the rest of the do_<shift> functions.
861
8622002-03-01  Chris Demetriou  <cgd@broadcom.com>
863
864	* mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
865	DSRL32, do_dsrlv): Trace inputs and results.
866
8672002-03-01  Chris Demetriou  <cgd@broadcom.com>
868
869	* mips.igen (CACHE): Provide instruction-printing string.
870
871	* interp.c (signal_exception): Comment tokens after #endif.
872
8732002-02-28  Chris Demetriou  <cgd@broadcom.com>
874
875	* mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
876	(MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt, 
877	NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt, 
878	ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt, 
879	CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta, 
880	C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1, 
881	SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D, 
882	LWC1, SWC1): Add "f" to filter, since these are FP instructions.
883
8842002-02-28  Chris Demetriou  <cgd@broadcom.com>
885
886	* mips.igen (DSRA32, DSRAV): Fix order of arguments in
887	instruction-printing string.
888	(LWU): Use '64' as the filter flag.
889
8902002-02-28  Chris Demetriou  <cgd@broadcom.com>
891
892	* mips.igen (SDXC1): Fix instruction-printing string.
893
8942002-02-28  Chris Demetriou  <cgd@broadcom.com>
895
896	* mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
897	filter flags "32,f".
898
8992002-02-27  Chris Demetriou  <cgd@broadcom.com>
900
901	* mips.igen (PREFX): This is a 64-bit instruction, use '64'
902	as the filter flag.
903
9042002-02-27  Chris Demetriou  <cgd@broadcom.com>
905
906	* mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
907	add a comma) so that it more closely match the MIPS ISA
908	documentation opcode partitioning.
909	(PREF): Put useful names on opcode fields, and include
910	instruction-printing string.
911
9122002-02-27  Chris Demetriou  <cgd@broadcom.com>
913
914	* mips.igen (check_u64): New function which in the future will
915	check whether 64-bit instructions are usable and signal an
916	exception if not.  Currently a no-op.
917	(DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
918	DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
919	DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
920	LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
921
922	* mips.igen (check_fpu): New function which in the future will
923	check whether FPU instructions are usable and signal an exception
924	if not.  Currently a no-op.
925	(ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
926	CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
927	CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
928	LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
929	MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
930	NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
931	ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
932	SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
933
9342002-02-27  Chris Demetriou  <cgd@broadcom.com>
935
936	* mips.igen (do_load_left, do_load_right): Move to be immediately
937	following do_load.
938	(do_store_left, do_store_right): Move to be immediately following
939	do_store.
940
9412002-02-27  Chris Demetriou  <cgd@broadcom.com>
942
943	* mips.igen (mipsV): New model name.  Also, add it to
944	all instructions and functions where it is appropriate.
945
9462002-02-18  Chris Demetriou  <cgd@broadcom.com>
947
948	* mips.igen: For all functions and instructions, list model
949	names that support that instruction one per line.
950
9512002-02-11  Chris Demetriou  <cgd@broadcom.com>
952
953	* mips.igen: Add some additional comments about supported
954	models, and about which instructions go where.
955	(BC1b, MFC0, MTC0, RFE): Sort supported models in the same
956	order as is used in the rest of the file.
957
9582002-02-11  Chris Demetriou  <cgd@broadcom.com>
959
960	* mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
961	indicating that ALU32_END or ALU64_END are there to check
962	for overflow.
963	(DADD): Likewise, but also remove previous comment about
964	overflow checking.
965
9662002-02-10  Chris Demetriou  <cgd@broadcom.com>
967
968	* mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
969	DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
970	JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
971	SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
972	ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
973	fields (i.e., add and move commas) so that they more closely
974	match the MIPS ISA documentation opcode partitioning.
975
9762002-02-10  Chris Demetriou  <cgd@broadcom.com>
977
978        * mips.igen (ADDI): Print immediate value.
979        (BREAK): Print code.
980        (DADDIU, DSRAV, DSRLV): Print correct instruction name.
981        (SLL): Print "nop" specially, and don't run the code
982        that does the shift for the "nop" case.
983
9842001-11-17  Fred Fish  <fnf@redhat.com>
985
986	* sim-main.h (float_operation): Move enum declaration outside
987	of _sim_cpu struct declaration.
988
9892001-04-12  Jim Blandy  <jimb@redhat.com>
990
991	* mips.igen (CFC1, CTC1): Pass the correct register numbers to
992	PENDING_FILL.  Use PENDING_SCHED directly to handle the pending
993	set of the FCSR.
994	* sim-main.h (COCIDX): Remove definition; this isn't supported by
995	PENDING_FILL, and you can get the intended effect gracefully by
996	calling PENDING_SCHED directly.
997
9982001-02-23  Ben Elliston  <bje@redhat.com>
999
1000	* sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1001	already defined elsewhere.
1002
10032001-02-19  Ben Elliston  <bje@redhat.com>
1004
1005	* sim-main.h (sim_monitor): Return an int.
1006	* interp.c (sim_monitor): Add return values.
1007	(signal_exception): Handle error conditions from sim_monitor.
1008
10092001-02-08  Ben Elliston  <bje@redhat.com>
1010
1011	* sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1012	(store_memory): Likewise, pass cia to sim_core_write*.
1013
10142000-10-19  Frank Ch. Eigler  <fche@redhat.com>
1015
1016	On advice from Chris G. Demetriou <cgd@sibyte.com>:
1017	* sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1018
1019Thu Jul 27 22:02:05 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1020
1021	From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1022	* Makefile.in: Don't delete *.igen when cleaning directory.
1023
1024Wed Jul 19 18:50:51 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1025
1026	* m16.igen (break): Call SignalException not sim_engine_halt.
1027
1028Mon Jul  3 11:13:20 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1029
1030	From Jason Eckhardt:
1031	* mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1032
1033Tue Jun 13 20:52:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1034
1035	* mips.igen (MxC1, DMxC1): Fix printf formatting.
1036
10372000-05-24  Michael Hayes  <mhayes@cygnus.com>
1038
1039	* mips.igen (do_dmultx): Fix typo.
1040
1041Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1042
1043	* configure: Regenerated to track ../common/aclocal.m4 changes.
1044
1045Fri Apr 28 20:48:36 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1046
1047	* mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1048
10492000-04-12  Frank Ch. Eigler  <fche@redhat.com>
1050
1051	* sim-main.h (GPR_CLEAR): Define macro.
1052
1053Mon Apr 10 00:07:09 2000  Andrew Cagney  <cagney@b1.cygnus.com>
1054
1055	* interp.c (decode_coproc): Output long using %lx and not %s.
1056
10572000-03-21  Frank Ch. Eigler  <fche@redhat.com>
1058
1059	* interp.c (sim_open): Sort & extend dummy memory regions for
1060	--board=jmr3904 for eCos.
1061
10622000-03-02  Frank Ch. Eigler  <fche@redhat.com>
1063
1064	* configure: Regenerated.
1065
1066Tue Feb  8 18:35:01 2000  Donald Lindsay  <dlindsay@hound.cygnus.com>
1067
1068	* interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1069	calls, conditional on the simulator being in verbose mode.
1070
1071Fri Feb  4 09:45:15 2000  Donald Lindsay  <dlindsay@cygnus.com>
1072
1073	* sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1074	cache don't get ReservedInstruction traps.
1075
10761999-11-29  Mark Salter  <msalter@cygnus.com>
1077
1078	* dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1079	to clear status bits in sdisr register. This is how the hardware works.
1080
1081	* interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1082	being used by cygmon.
1083
10841999-11-11  Andrew Haley  <aph@cygnus.com>
1085
1086	* interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1087	instructions.
1088
1089Thu Sep  9 15:12:08 1999  Geoffrey Keating  <geoffk@cygnus.com>
1090
1091	* mips.igen (MULT): Correct previous mis-applied patch.
1092
1093Tue Sep  7 13:34:54 1999  Geoffrey Keating  <geoffk@cygnus.com>
1094
1095	* mips.igen (delayslot32): Handle sequence like
1096	mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1097	correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1098	(MULT): Actually pass the third register...
1099
11001999-09-03  Mark Salter  <msalter@cygnus.com>
1101
1102	* interp.c (sim_open): Added more memory aliases for additional
1103	hardware being touched by cygmon on jmr3904 board.
1104
1105Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
1106
1107	* configure: Regenerated to track ../common/aclocal.m4 changes.
1108
1109Tue Jul 27 16:36:51 1999  Andrew Cagney  <cagney@amy.cygnus.com>
1110
1111	* interp.c (sim_store_register): Handle case where client - GDB -
1112 	specifies that a 4 byte register is 8 bytes in size.
1113	(sim_fetch_register): Ditto.
1114	
11151999-07-14  Frank Ch. Eigler  <fche@cygnus.com>
1116
1117	Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1118	* interp.c (firmware_option_p): New global flag: "sim firmware" given.
1119	(idt_monitor_base): Base address for IDT monitor traps.
1120	(pmon_monitor_base): Ditto for PMON.
1121	(lsipmon_monitor_base): Ditto for LSI PMON.
1122	(MONITOR_BASE, MONITOR_SIZE): Removed macros.
1123	(mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1124	(sim_firmware_command): New function.
1125	(mips_option_handler): Call it for OPTION_FIRMWARE.
1126	(sim_open): Allocate memory for idt_monitor region.  If "--board"
1127	option was given, add no monitor by default.  Add BREAK hooks only if
1128	monitors are also there.
1129	
1130Mon Jul 12 00:02:27 1999  Andrew Cagney  <cagney@amy.cygnus.com>
1131
1132	* interp.c (sim_monitor): Flush output before reading input.
1133
1134Sun Jul 11 19:28:11 1999  Andrew Cagney  <cagney@b1.cygnus.com>
1135
1136	* tconfig.in (SIM_HANDLES_LMA): Always define.
1137
1138Thu Jul  8 16:06:59 1999  Andrew Cagney  <cagney@b1.cygnus.com>
1139
1140	From Mark Salter <msalter@cygnus.com>:
1141	* interp.c (BOARD_BSP): Define.  Add to list of possible boards.
1142	(sim_open): Add setup for BSP board.
1143
1144Wed Jul  7 12:45:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
1145
1146	* mips.igen (MULT, MULTU): Add syntax for two operand version.
1147	(DMFC0, DMTC0): Recognize.  Call DecodeCoproc which will report
1148 	them as unimplemented.
1149
11501999-05-08  Felix Lee  <flee@cygnus.com>
1151
1152	* configure: Regenerated to track ../common/aclocal.m4 changes.
1153	
11541999-04-21  Frank Ch. Eigler  <fche@cygnus.com>
1155
1156	* mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1157
1158Thu Apr 15 14:15:17 1999  Andrew Cagney  <cagney@amy.cygnus.com>
1159
1160	* configure.in: Any mips64vr5*-*-* target should have
1161 	-DTARGET_ENABLE_FR=1.
1162	(default_endian): Any mips64vr*el-*-* target should default to
1163	LITTLE_ENDIAN.
1164	* configure: Re-generate.
1165
11661999-02-19  Gavin Romig-Koch  <gavin@cygnus.com>
1167
1168	* mips.igen (ldl): Extend from _16_, not 32.
1169
1170Wed Jan 27 18:51:38 1999  Andrew Cagney  <cagney@chook.cygnus.com>
1171
1172	* interp.c (sim_store_register): Force registers written to by GDB
1173 	into an un-interpreted state.
1174
11751999-02-05  Frank Ch. Eigler  <fche@cygnus.com>
1176
1177	* dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1178 	CPU, start periodic background I/O polls.
1179	(tx3904sio_poll): New function: periodic I/O poller. 
1180
11811998-12-30  Frank Ch. Eigler  <fche@cygnus.com>
1182
1183	* mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1184	
1185Tue Dec 29 16:03:53 1998  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1186
1187	* configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1188 	case statement.
1189
11901998-12-29  Frank Ch. Eigler  <fche@cygnus.com>
1191	
1192	* interp.c (sim_open): Allocate jm3904 memory in smaller chunks. 
1193	(load_word): Call SIM_CORE_SIGNAL hook on error.
1194	(signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1195	starting.  For exception dispatching, pass PC instead of NULL_CIA.
1196	(decode_coproc): Use COP0_BADVADDR to store faulting address.
1197	* sim-main.h (COP0_BADVADDR): Define. 
1198	(SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1199	(SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1200	(_sim_cpu): Add exc_* fields to store register value snapshots.	
1201	* mips.igen (*): Replace memory-related SignalException* calls
1202	with references to SIM_CORE_SIGNAL hook.
1203	
1204	* dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1205	fix.
1206	* sim-main.c (*): Minor warning cleanups.
1207	
12081998-12-24  Gavin Romig-Koch  <gavin@cygnus.com>
1209
1210	* m16.igen (DADDIU5): Correct type-o.
1211
1212Mon Dec 21 10:34:48 1998  Andrew Cagney  <cagney@chook>
1213
1214	* mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1215 	variables.
1216
1217Wed Dec 16 18:20:28 1998  Andrew Cagney  <cagney@chook>
1218
1219	* Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1220 	to include path.
1221	(interp.o): Add dependency on itable.h
1222	(oengine.c, gencode): Delete remaining references.
1223	(BUILT_SRC_FROM_GEN): Clean up.
1224	
12251998-12-16  Gavin Romig-Koch  <gavin@cygnus.com>
1226	
1227	* vr4run.c: New.
1228	* Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1229	tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1230	tmp-run-hack) : New.
1231	* m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1232	DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX): 
1233	Drop the "64" qualifier to get the HACK generator working.
1234	Use IMMEDIATE rather than IMMED.  Use SHAMT rather than SHIFT.
1235	* mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1236	qualifier to get the hack generator working.
1237	(do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1238	(DSLL): Use do_dsll.
1239	(DSLLV): Use do_dsllv.
1240	(DSRA): Use do_dsra.
1241	(DSRL): Use do_dsrl.
1242	(DSRLV): Use do_dsrlv.
1243	(BC1): Move *vr4100 to get the HACK generator working.
1244	(CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to 
1245	get the HACK generator working.
1246	(MACC) Rename to get the HACK generator working.
1247	(DMACC,MACCS,DMACCS): Add the 64.
1248	
12491998-12-12  Gavin Romig-Koch  <gavin@cygnus.com>
1250
1251	* mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1252	* sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1253	
12541998-12-11  Gavin Romig-Koch  <gavin@cygnus.com>
1255
1256    * mips/interp.c (DEBUG): Cleanups.
1257
12581998-12-10  Frank Ch. Eigler  <fche@cygnus.com>
1259
1260	* dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1261	(tx3904sio_tickle): fflush after a stdout character output.
1262	
12631998-12-03  Frank Ch. Eigler  <fche@cygnus.com>
1264
1265	* interp.c (sim_close): Uninstall modules.
1266
1267Wed Nov 25 13:41:03 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1268
1269	* sim-main.h, interp.c (sim_monitor): Change to global
1270 	function.
1271
1272Wed Nov 25 17:33:24 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1273
1274	* configure.in (vr4100): Only include vr4100 instructions in
1275 	simulator.
1276	* configure: Re-generate.
1277	* m16.igen (*): Tag all mips16 instructions as also being vr4100.
1278
1279Mon Nov 23 18:20:36 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1280
1281	* Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1282	* sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1283 	true alternative.
1284
1285	* configure.in (sim_default_gen, sim_use_gen): Replace with
1286 	sim_gen.
1287	(--enable-sim-igen): Delete config option. Always using IGEN.
1288	* configure: Re-generate.
1289	
1290	* Makefile.in (gencode): Kill, kill, kill.
1291	* gencode.c: Ditto.
1292	
1293Mon Nov 23 18:07:36 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1294
1295	* configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1296 	bit mips16 igen simulator.
1297	* configure: Re-generate.
1298
1299	* mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1300 	as part of vr4100 ISA.
1301	* vr.igen: Mark all instructions as 64 bit only.
1302
1303Mon Nov 23 17:07:37 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1304
1305	* interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1306 	Pacify GCC.
1307
1308Mon Nov 23 13:23:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1309
1310	* configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1311 	mipsIII/mips16 igen simulator.  Fix sim_gen VS sim_igen typos.
1312	* configure: Re-generate.
1313
1314	* m16.igen (BREAK): Define breakpoint instruction.
1315	(JALX32): Mark instruction as mips16 and not r3900.
1316	* mips.igen (C.cond.fmt): Fix typo in instruction format.
1317
1318	* sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1319
1320Sat Nov  7 09:54:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1321
1322	* gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1323 	insn as a debug breakpoint.
1324
1325	* sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1326 	pending.slot_size.
1327	(PENDING_SCHED): Clean up trace statement.
1328	(PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1329	(PENDING_FILL): Delay write by only one cycle.
1330	(PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1331
1332	* sim-main.c (pending_tick): Clean up trace statements. Add trace
1333 	of pending writes.
1334	(pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1335 	32 & 64.
1336	(pending_tick): Move incrementing of index to FOR statement.
1337	(pending_tick): Only update PENDING_OUT after a write has occured.
1338	
1339	* configure.in: Add explicit mips-lsi-* target.  Use gencode to
1340 	build simulator.
1341	* configure: Re-generate.
1342	
1343	* interp.c (sim_engine_run OLD): Delete explicit call to
1344 	PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1345	
1346Sat Oct 30 09:49:10 1998  Frank Ch. Eigler  <fche@cygnus.com>
1347
1348	* dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1349	interrupt level number to match changed SignalExceptionInterrupt
1350	macro.
1351
1352Fri Oct  9 18:02:25 1998  Doug Evans  <devans@canuck.cygnus.com>
1353
1354	* interp.c: #include "itable.h" if WITH_IGEN.
1355	(get_insn_name): New function.
1356	(sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1357	* sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1358
1359Mon Sep 14 12:36:44 1998  Frank Ch. Eigler  <fche@cygnus.com>
1360
1361	* configure: Rebuilt to inhale new common/aclocal.m4.
1362
1363Tue Sep  1 15:39:18 1998  Frank Ch. Eigler  <fche@cygnus.com>
1364
1365	* dv-tx3904sio.c: Include sim-assert.h.
1366
1367Tue Aug 25 12:49:46 1998  Frank Ch. Eigler  <fche@cygnus.com>
1368
1369	* dv-tx3904sio.c: New file: tx3904 serial I/O module.
1370	* configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1371	Reorganize target-specific sim-hardware checks.
1372	* configure: rebuilt.
1373	* interp.c (sim_open): For tx39 target boards, set
1374	OPERATING_ENVIRONMENT, add tx3904sio devices.
1375	* tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1376	ROM executables.  Install dv-sockser into sim-modules list.
1377	
1378	* dv-tx3904irc.c: Compiler warning clean-up.
1379	* dv-tx3904tmr.c: Compiler warning clean-up.  Remove particularly
1380	frequent hw-trace messages.
1381
1382Fri Jul 31 18:14:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1383
1384	* vr.igen (MulAcc): Identify as a vr4100 specific function.
1385
1386Sat Jul 25 16:03:14 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1387
1388	* Makefile.in (IGEN_INCLUDE): Add vr.igen.
1389
1390	* vr.igen: New file.
1391	(MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1392	* mips.igen: Define vr4100 model. Include vr.igen.
1393Mon Jun 29 09:21:07 1998  Gavin Koch  <gavin@cygnus.com>
1394
1395	* mips.igen (check_mf_hilo): Correct check.
1396
1397Wed Jun 17 12:20:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1398
1399	* sim-main.h (interrupt_event): Add prototype.
1400
1401	* dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1402 	register_ptr, register_value.
1403	(deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1404
1405	* sim-main.h (tracefh): Make extern.
1406
1407Tue Jun 16 14:39:00 1998  Frank Ch. Eigler  <fche@cygnus.com>
1408
1409	* dv-tx3904tmr.c: Deschedule timer event after dispatching.
1410	Reduce unnecessarily high timer event frequency.  
1411	* dv-tx3904cpu.c: Ditto for interrupt event.
1412	
1413Wed Jun 10 13:22:32 1998  Frank Ch. Eigler  <fche@cygnus.com>
1414
1415	* interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1416 	to allay warnings.
1417	(interrupt_event): Made non-static.
1418	
1419	* dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1420 	interchange of configuration values for external vs. internal
1421 	clock dividers.
1422	
1423Tue Jun  9 12:46:24 1998  Ian Carmichael  <iancarm@cygnus.com>
1424
1425	* mips.igen (BREAK): Moved code to here for 
1426	simulator-reserved break instructions.
1427	* gencode.c (build_instruction): Ditto.
1428	* interp.c (signal_exception): Code moved from here.  Non-
1429	reserved instructions now use exception vector, rather 
1430	than halting sim.
1431	* sim-main.h: Moved magic constants to here.
1432
1433Tue Jun  9 12:29:50 1998  Frank Ch. Eigler  <fche@cygnus.com>
1434
1435	* dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1436 	register upon non-zero interrupt event level, clear upon zero
1437 	event value.
1438	* dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1439	by passing zero event value.
1440	(*_io_{read,write}_buffer): Endianness fixes.
1441	* dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1442	(deliver_*_tick): Reduce sim event interval to 75% of count interval.
1443
1444	* interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1445	serial I/O and timer module at base address 0xFFFF0000.
1446	
1447Tue Jun  9 11:52:29 1998  Gavin Koch  <gavin@cygnus.com>
1448
1449	* mips.igen (SWC1) : Correct the handling of ReverseEndian 
1450	and BigEndianCPU.
1451
1452Tue Jun  9 11:40:57 1998  Gavin Koch  <gavin@cygnus.com>
1453
1454	* configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1455	parts.
1456	* configure: Update.
1457
1458Thu Jun  4 15:37:33 1998  Frank Ch. Eigler  <fche@cygnus.com>
1459
1460	* dv-tx3904tmr.c: New file - implements tx3904 timer.
1461	* dv-tx3904{irc,cpu}.c: Mild reformatting.
1462	* configure.in: Include tx3904tmr in hw_device list.
1463	* configure: Rebuilt.
1464	* interp.c (sim_open): Instantiate three timer instances.
1465	Fix address typo of tx3904irc instance.
1466
1467Tue Jun  2 15:48:02 1998  Ian Carmichael  <iancarm@cygnus.com>
1468
1469	* interp.c (signal_exception): SystemCall exception now uses
1470	the exception vector.
1471
1472Mon Jun  1 18:18:26 1998  Frank Ch. Eigler  <fche@cygnus.com>
1473
1474	* interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1475	to allay warnings.
1476
1477Fri May 29 11:40:39 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1478
1479	* configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1480
1481Mon May 25 20:47:45 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1482
1483	* dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1484
1485	* dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1486 	sim-main.h. Declare a struct hw_descriptor instead of struct
1487 	hw_device_descriptor.
1488
1489Mon May 25 12:41:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1490
1491	* mips.igen (do_store_left, do_load_left): Compute nr of left and
1492 	right bits and then re-align left hand bytes to correct byte
1493 	lanes.  Fix incorrect computation in do_store_left when loading
1494 	bytes from second word.
1495
1496Fri May 22 13:34:20 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1497
1498	* configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1499	* interp.c (sim_open): Only create a device tree when HW is
1500 	enabled.
1501
1502	* dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1503	* interp.c (signal_exception): Ditto.
1504
1505Thu May 21 14:24:11 1998  Gavin Koch  <gavin@cygnus.com>
1506
1507	* gencode.c: Mark BEGEZALL as LIKELY.
1508
1509Thu May 21 18:57:19 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1510
1511	* sim-main.h (ALU32_END): Sign extend 32 bit results.
1512	* mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1513	
1514Mon May 18 18:22:42 1998  Frank Ch. Eigler  <fche@cygnus.com>
1515
1516	* configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1517 	modules.  Recognize TX39 target with "mips*tx39" pattern.
1518	* configure: Rebuilt.
1519	* sim-main.h (*): Added many macros defining bits in
1520 	TX39 control registers.
1521	(SignalInterrupt): Send actual PC instead of NULL.
1522	(SignalNMIReset): New exception type.
1523	* interp.c (board): New variable for future use to identify
1524	a particular board being simulated.
1525	(mips_option_handler,mips_options): Added "--board" option.
1526	(interrupt_event): Send actual PC.
1527	(sim_open): Make memory layout conditional on board setting.
1528	(signal_exception): Initial implementation of hardware interrupt
1529 	handling.  Accept another break instruction variant for simulator
1530 	exit.
1531	(decode_coproc): Implement RFE instruction for TX39.
1532	(mips.igen): Decode RFE instruction as such.
1533	* configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1534	* interp.c: Define "jmr3904" and "jmr3904debug" board types and
1535	bbegin to implement memory map.
1536	* dv-tx3904cpu.c: New file.
1537	* dv-tx3904irc.c: New file.
1538
1539Wed May 13 14:40:11 1998  Gavin Koch  <gavin@cygnus.com>
1540
1541	* mips.igen (check_mt_hilo): Create a separate r3900 version.
1542
1543Wed May 13 14:11:46 1998  Gavin Koch  <gavin@cygnus.com>
1544
1545	* tx.igen (madd,maddu):  Replace calls to check_op_hilo
1546	with calls to check_div_hilo.
1547
1548Wed May 13 09:59:27 1998  Gavin Koch  <gavin@cygnus.com>
1549
1550	* mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1551	Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1552	Add special r3900 version of do_mult_hilo.  
1553	(do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1554	with calls to check_mult_hilo.
1555	(do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1556	with calls to check_div_hilo.
1557
1558Tue May 12 15:22:11 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1559
1560	* configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1561  	Document a replacement.
1562
1563Fri May  8 17:48:19 1998  Ian Carmichael  <iancarm@cygnus.com>
1564
1565	* interp.c (sim_monitor): Make mon_printf work.
1566
1567Wed May  6 19:42:19 1998  Doug Evans  <devans@canuck.cygnus.com>
1568
1569	* sim-main.h (INSN_NAME): New arg `cpu'.
1570
1571Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
1572
1573        * configure: Regenerated to track ../common/aclocal.m4 changes.
1574
1575Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
1576
1577	* configure: Regenerated to track ../common/aclocal.m4 changes.
1578	* config.in: Ditto.
1579
1580Sun Apr 26 15:20:01 1998  Tom Tromey  <tromey@cygnus.com>
1581
1582	* acconfig.h: New file.
1583	* configure.in: Reverted change of Apr 24; use sinclude again.
1584
1585Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
1586
1587	* configure: Regenerated to track ../common/aclocal.m4 changes.
1588	* config.in: Ditto.
1589
1590Fri Apr 24 11:19:20 1998  Tom Tromey  <tromey@cygnus.com>
1591
1592	* configure.in: Don't call sinclude.
1593
1594Fri Apr 24 11:35:01 1998  Andrew Cagney  <cagney@chook.cygnus.com>
1595
1596	* mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1597
1598Tue Apr 21 11:59:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1599
1600	* mips.igen (ERET): Implement.
1601
1602	* interp.c (decode_coproc): Return sign-extended EPC.
1603
1604	* mips.igen (ANDI, LUI, MFC0): Add tracing code.
1605
1606	* interp.c (signal_exception): Do not ignore Trap.
1607	(signal_exception): On TRAP, restart at exception address.
1608	(HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1609	(signal_exception): Update.
1610	(sim_open): Patch V_COMMON interrupt vector with an abort sequence
1611 	so that TRAP instructions are caught.
1612
1613Mon Apr 20 11:26:55 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1614
1615	* sim-main.h (struct hilo_access, struct hilo_history): Define,
1616 	contains HI/LO access history.
1617	(struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1618	(HIACCESS, LOACCESS): Delete, replace with
1619	(HIHISTORY, LOHISTORY): New macros.
1620	(CHECKHILO): Delete all, moved to mips.igen
1621	
1622	* gencode.c (build_instruction): Do not generate checks for
1623 	correct HI/LO register usage.
1624
1625	* interp.c (old_engine_run): Delete checks for correct HI/LO
1626 	register usage.
1627
1628	* mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1629 	check_mf_cycles): New functions.
1630	(do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1631 	do_divu, domultx, do_mult, do_multu): Use.
1632
1633	* tx.igen ("madd", "maddu"): Use.
1634	
1635Wed Apr 15 18:31:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1636
1637	* mips.igen (DSRAV): Use function do_dsrav.
1638	(SRAV): Use new function do_srav.
1639
1640	* m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1641	(B): Sign extend 11 bit immediate.
1642	(EXT-B*): Shift 16 bit immediate left by 1.
1643	(ADDIU*): Don't sign extend immediate value.
1644
1645Wed Apr 15 10:32:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1646
1647	* m16run.c (sim_engine_run): Restore CIA after handling an event.
1648
1649	* sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1650 	functions.
1651
1652	* mips.igen (delayslot32, nullify_next_insn): New functions.
1653	(m16.igen): Always include.
1654	(do_*): Add more tracing.
1655
1656	* m16.igen (delayslot16): Add NIA argument, could be called by a
1657 	32 bit MIPS16 instruction.
1658	
1659	* interp.c (ifetch16): Move function from here.
1660	* sim-main.c (ifetch16): To here.
1661	
1662	* sim-main.c (ifetch16, ifetch32): Update to match current
1663 	implementations of LH, LW.
1664	(signal_exception): Don't print out incorrect hex value of illegal
1665 	instruction.
1666
1667Wed Apr 15 00:17:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1668
1669	* m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1670 	instruction.
1671
1672	* m16.igen: Implement MIPS16 instructions.
1673	
1674	* mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1675 	do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1676 	do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1677 	do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1678 	do_srl, do_srlv, do_subu, do_xor, do_xori): New functions.  Move
1679 	bodies of corresponding code from 32 bit insn to these.  Also used
1680 	by MIPS16 versions of functions.
1681	
1682	* sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1683	(IMEM16): Drop NR argument from macro.
1684
1685Sat Apr  4 22:39:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1686
1687	* Makefile.in (SIM_OBJS): Add sim-main.o.
1688
1689	* sim-main.h (address_translation, load_memory, store_memory,
1690 	cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1691 	as INLINE_SIM_MAIN.
1692	(pr_addr, pr_uword64): Declare.
1693	(sim-main.c): Include when H_REVEALS_MODULE_P.
1694	
1695	* interp.c (address_translation, load_memory, store_memory,
1696 	cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1697 	from here.
1698	* sim-main.c: To here. Fix compilation problems.
1699	
1700	* configure.in: Enable inlining.
1701	* configure: Re-config.
1702
1703Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1704
1705	* configure: Regenerated to track ../common/aclocal.m4 changes.
1706
1707Fri Apr  3 04:32:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1708
1709	* mips.igen: Include tx.igen.
1710	* Makefile.in (IGEN_INCLUDE): Add tx.igen.
1711	* tx.igen: New file, contains MADD and MADDU.
1712
1713	* interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1714 	the hardwired constant `7'.
1715	(store_memory): Ditto.
1716	(LOADDRMASK): Move definition to sim-main.h.
1717
1718	mips.igen (MTC0): Enable for r3900.
1719	(ADDU): Add trace.
1720
1721	mips.igen (do_load_byte): Delete.
1722	(do_load, do_store, do_load_left, do_load_write, do_store_left,
1723 	do_store_right): New functions.
1724	(SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1725
1726	configure.in: Let the tx39 use igen again.
1727	configure: Update.
1728	
1729Thu Apr  2 10:59:39 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1730
1731	* interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1732 	not an address sized quantity.  Return zero for cache sizes.
1733
1734Wed Apr  1 23:47:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1735
1736	* mips.igen (r3900): r3900 does not support 64 bit integer
1737 	operations.
1738
1739Mon Mar 30 14:46:05 1998  Gavin Koch  <gavin@cygnus.com>
1740
1741	* configure.in (mipstx39*-*-*): Use gencode simulator rather
1742	than igen one.
1743	* configure : Rebuild.
1744	
1745Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1746
1747	* configure: Regenerated to track ../common/aclocal.m4 changes.
1748
1749Fri Mar 27 15:01:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1750
1751	* interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1752
1753Wed Mar 25 16:44:27 1998  Ian Carmichael  <iancarm@cygnus.com>
1754
1755	* configure: Regenerated to track ../common/aclocal.m4 changes.
1756	* config.in: Regenerated to track ../common/aclocal.m4 changes.
1757
1758Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1759
1760	* configure: Regenerated to track ../common/aclocal.m4 changes.
1761
1762Wed Mar 25 10:05:46 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1763
1764	* interp.c (Max, Min): Comment out functions. Not yet used.
1765
1766Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1767
1768	* configure: Regenerated to track ../common/aclocal.m4 changes.
1769
1770Tue Mar 17 19:05:20 1998  Frank Ch. Eigler  <fche@cygnus.com>
1771
1772	* Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1773 	configurable settings for stand-alone simulator.
1774	
1775	* configure.in: Added X11 search, just in case.
1776	
1777	* configure: Regenerated.
1778
1779Wed Mar 11 14:09:10 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1780
1781	* interp.c (sim_write, sim_read, load_memory, store_memory):
1782 	Replace sim_core_*_map with read_map, write_map, exec_map resp.
1783
1784Tue Mar  3 13:58:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1785
1786	* sim-main.h (GETFCC): Return an unsigned value.
1787
1788Tue Mar  3 13:21:37 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1789
1790	* mips.igen (DIV): Fix check for -1 / MIN_INT.
1791	(DADD): Result destination is RD not RT.
1792
1793Fri Feb 27 13:49:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1794
1795	* sim-main.h (HIACCESS, LOACCESS): Always define.
1796
1797	* mdmx.igen (Maxi, Mini): Rename Max, Min.
1798
1799	* interp.c (sim_info): Delete.
1800
1801Fri Feb 27 18:41:01 1998  Doug Evans  <devans@canuck.cygnus.com>
1802
1803	* interp.c (DECLARE_OPTION_HANDLER): Use it.
1804	(mips_option_handler): New argument `cpu'.
1805	(sim_open): Update call to sim_add_option_table.
1806
1807Wed Feb 25 18:56:22 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1808
1809	* mips.igen (CxC1): Add tracing.
1810
1811Fri Feb 20 17:43:21 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1812
1813	* sim-main.h (Max, Min): Declare.
1814
1815	* interp.c (Max, Min): New functions.
1816
1817	* mips.igen (BC1): Add tracing.
1818	
1819Thu Feb 19 14:50:00 1998  John Metzler  <jmetzler@cygnus.com>
1820	
1821	* interp.c Added memory map for stack in vr4100
1822	
1823Thu Feb 19 10:21:21 1998  Gavin Koch  <gavin@cygnus.com>
1824
1825	* interp.c (load_memory): Add missing "break"'s.
1826
1827Tue Feb 17 12:45:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1828
1829	* interp.c (sim_store_register, sim_fetch_register): Pass in
1830 	length parameter.  Return -1.
1831
1832Tue Feb 10 11:57:40 1998  Ian Carmichael  <iancarm@cygnus.com>
1833
1834	* interp.c: Added hardware init hook, fixed warnings.
1835
1836Sat Feb  7 17:16:20 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1837
1838	* Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1839
1840Tue Feb  3 11:36:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1841
1842	* interp.c (ifetch16): New function.
1843
1844	* sim-main.h (IMEM32): Rename IMEM.
1845	(IMEM16_IMMED): Define.
1846	(IMEM16): Define.
1847	(DELAY_SLOT): Update.
1848	
1849	* m16run.c (sim_engine_run): New file.
1850	
1851	* m16.igen: All instructions except LB.
1852	(LB): Call do_load_byte.
1853	* mips.igen (do_load_byte): New function.
1854	(LB): Call do_load_byte.
1855
1856	* mips.igen: Move spec for insn bit size and high bit from here.
1857	* Makefile.in (tmp-igen, tmp-m16): To here.
1858
1859	* m16.dc: New file, decode mips16 instructions.
1860
1861	* Makefile.in (SIM_NO_ALL): Define.
1862	(tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1863
1864Tue Feb  3 11:28:00 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1865
1866	* configure.in (mips_fpu_bitsize): For tx39, restrict floating
1867 	point unit to 32 bit registers.
1868	* configure: Re-generate.
1869
1870Sun Feb  1 15:47:14 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1871
1872	* configure.in (sim_use_gen): Make IGEN the default simulator
1873 	generator for generic 32 and 64 bit mips targets.
1874	* configure: Re-generate.
1875
1876Sun Feb  1 16:52:37 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1877
1878	* sim-main.h (SizeFGR): Determine from floating-point and not gpr
1879 	bitsize.
1880
1881	* interp.c (sim_fetch_register, sim_store_register): Read/write
1882 	FGR from correct location.
1883	(sim_open): Set size of FGR's according to
1884 	WITH_TARGET_FLOATING_POINT_BITSIZE.
1885	
1886	* sim-main.h (FGR): Store floating point registers in a separate
1887 	array.
1888
1889Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1890
1891	* configure: Regenerated to track ../common/aclocal.m4 changes.
1892
1893Tue Feb  3 00:10:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1894
1895	* interp.c (ColdReset): Call PENDING_INVALIDATE.
1896
1897	* sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1898
1899	* interp.c (pending_tick): New function.  Deliver pending writes.
1900
1901	* sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1902 	PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1903 	it can handle mixed sized quantites and single bits.
1904	
1905Mon Feb  2 17:43:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1906
1907	* interp.c (oengine.h): Do not include when building with IGEN.
1908	(sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1909	(sim_info): Ditto for PROCESSOR_64BIT.
1910	(sim_monitor): Replace ut_reg with unsigned_word.
1911	(*): Ditto for t_reg.
1912	(LOADDRMASK): Define.
1913	(sim_open): Remove defunct check that host FP is IEEE compliant,
1914 	using software to emulate floating point.
1915	(value_fpr, ...): Always compile, was conditional on HASFPU.
1916
1917Sun Feb  1 11:15:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1918
1919	* sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1920 	size.
1921
1922	* interp.c (SD, CPU): Define.
1923	(mips_option_handler): Set flags in each CPU.
1924	(interrupt_event): Assume CPU 0 is the one being iterrupted.
1925	(sim_close): Do not clear STATE, deleted anyway.
1926	(sim_write, sim_read): Assume CPU zero's vm should be used for
1927 	data transfers.
1928	(sim_create_inferior): Set the PC for all processors.
1929	(sim_monitor, store_word, load_word, mips16_entry): Add cpu
1930 	argument.
1931	(mips16_entry): Pass correct nr of args to store_word, load_word.
1932	(ColdReset): Cold reset all cpu's.
1933	(signal_exception): Pass cpu to sim_monitor & mips16_entry.
1934	(sim_monitor, load_memory, store_memory, signal_exception): Use
1935 	`CPU' instead of STATE_CPU.
1936
1937
1938	* sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1939 	SD or CPU_.
1940	
1941	* sim-main.h (signal_exception): Add sim_cpu arg.
1942	(SignalException*): Pass both SD and CPU to signal_exception.
1943	* interp.c (signal_exception): Update.
1944	
1945	* sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1946 	Ditto
1947	(sync_operation, prefetch, cache_op, store_memory, load_memory,
1948 	address_translation): Ditto
1949	(decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1950	
1951Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1952
1953	* configure: Regenerated to track ../common/aclocal.m4 changes.
1954
1955Sat Jan 31 14:49:24 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1956
1957	* interp.c (sim_engine_run): Add `nr_cpus' argument.
1958
1959	* mips.igen (model): Map processor names onto BFD name.	
1960
1961	* sim-main.h (CPU_CIA): Delete.
1962 	(SET_CIA, GET_CIA): Define
1963
1964Wed Jan 21 16:16:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
1965
1966	* sim-main.h (GPR_SET): Define, used by igen when zeroing a
1967 	regiser.
1968
1969	* configure.in (default_endian): Configure a big-endian simulator
1970 	by default.
1971	* configure: Re-generate.
1972	
1973Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
1974
1975	* configure: Regenerated to track ../common/aclocal.m4 changes.
1976
1977Mon Jan  5 20:38:54 1998  Mark Alexander  <marka@cygnus.com>
1978
1979	* interp.c (sim_monitor): Handle Densan monitor outbyte
1980	and inbyte functions.
1981
19821997-12-29  Felix Lee  <flee@cygnus.com>
1983
1984	* interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1985
1986Wed Dec 17 14:48:20 1997  Jeffrey A Law  (law@cygnus.com)
1987
1988	* Makefile.in (tmp-igen): Arrange for $zero to always be
1989	reset to zero after every instruction.
1990
1991Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1992
1993	* configure: Regenerated to track ../common/aclocal.m4 changes.
1994	* config.in: Ditto.
1995
1996Wed Dec 10 17:10:45 1997  Jeffrey A Law  (law@cygnus.com)
1997
1998	* mips.igen (MSUB): Fix to work like MADD.
1999	* gencode.c (MSUB): Similarly.
2000
2001Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
2002
2003	* configure: Regenerated to track ../common/aclocal.m4 changes.
2004
2005Wed Nov 26 11:00:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2006
2007	* mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2008
2009Sun Nov 23 01:45:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2010
2011	* sim-main.h (sim-fpu.h): Include.
2012
2013	* interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2014 	Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2015 	using host independant sim_fpu module.
2016
2017Thu Nov 20 19:56:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2018
2019	* interp.c (signal_exception): Report internal errors with SIGABRT
2020 	not SIGQUIT.
2021
2022	* sim-main.h (C0_CONFIG): New register.
2023	(signal.h): No longer include.
2024
2025	* interp.c (decode_coproc): Allow access C0_CONFIG to register.
2026
2027Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
2028
2029	* Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2030
2031Fri Nov 14 11:56:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2032
2033	* mips.igen: Tag vr5000 instructions.
2034	(ANDI): Was missing mipsIV model, fix assembler syntax.
2035	(do_c_cond_fmt): New function.
2036	(C.cond.fmt): Handle mips I-III which do not support CC field
2037 	separatly.
2038	(bc1): Handle mips IV which do not have a delaed FCC separatly.
2039	(SDR): Mask paddr when BigEndianMem, not the converse as specified
2040 	in IV3.2 spec.
2041	(DMULT, DMULTU): Force use of hosts 64bit multiplication.  Handle
2042 	vr5000 which saves LO in a GPR separatly.
2043	
2044	* configure.in (enable-sim-igen): For vr5000, select vr5000
2045 	specific instructions.
2046	* configure: Re-generate.
2047	
2048Wed Nov 12 14:42:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2049
2050	* Makefile.in (SIM_OBJS): Add sim-fpu module.
2051
2052	* interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2053 	fmt_uninterpreted_64 bit cases to switch.  Convert to
2054 	fmt_formatted,
2055
2056	* sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2057
2058	* mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2059 	as specified in IV3.2 spec.
2060	(MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2061
2062Tue Nov 11 12:38:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2063
2064	* mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2065 	(MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2066	(MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2067 	PENDING_FILL versions of instructions.  Simplify.
2068	(X): New function.
2069	(MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2070 	instructions.
2071	(BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2072 	a signed value.
2073	(MTHI, MFHI): Disable code checking HI-LO.
2074	
2075	* sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2076 	global.
2077	(NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2078
2079Thu Nov  6 16:36:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2080
2081	* gencode.c (build_mips16_operands): Replace IPC with cia.
2082
2083	* interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2084 	value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2085 	IPC to `cia'.
2086	(UndefinedResult): Replace function with macro/function
2087 	combination.
2088	(sim_engine_run): Don't save PC in IPC.
2089
2090	* sim-main.h (IPC): Delete.
2091
2092
2093	* interp.c (signal_exception, store_word, load_word,
2094 	address_translation, load_memory, store_memory, cache_op,
2095 	prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2096 	cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2097 	current instruction address - cia - argument.
2098	(sim_read, sim_write): Call address_translation directly.
2099	(sim_engine_run): Rename variable vaddr to cia.
2100	(signal_exception): Pass cia to sim_monitor
2101	
2102	* sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2103 	Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2104 	COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2105
2106	* sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2107  	* interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2108 	SIM_ASSERT.
2109	
2110	* interp.c (signal_exception): Pass restart address to
2111 	sim_engine_restart.
2112
2113	* Makefile.in (semantics.o, engine.o, support.o, itable.o,
2114 	idecode.o): Add dependency.
2115
2116	* sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2117 	Delete definitions
2118	(DELAY_SLOT): Update NIA not PC with branch address.
2119	(NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2120
2121	* mips.igen: Use CIA not PC in branch calculations.
2122	(illegal): Call SignalException.
2123 	(BEQ, ADDIU): Fix assembler.
2124
2125Wed Nov  5 12:19:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2126
2127	* m16.igen (JALX): Was missing.
2128
2129	* configure.in (enable-sim-igen): New configuration option.
2130	* configure: Re-generate.
2131	
2132	* sim-main.h (MAX_INSNS, INSN_NAME): Define.
2133
2134	* interp.c (load_memory, store_memory): Delete parameter RAW.
2135	(sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2136 	bypassing {load,store}_memory.
2137
2138	* sim-main.h (ByteSwapMem): Delete definition.
2139
2140	* Makefile.in (SIM_OBJS): Add sim-memopt module.
2141
2142	* interp.c (sim_do_command, sim_commands): Delete mips specific
2143 	commands.  Handled by module sim-options.
2144		
2145	* sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2146	(WITH_MODULO_MEMORY): Define.
2147
2148	* interp.c (sim_info): Delete code printing memory size.
2149
2150	* interp.c (mips_size): Nee sim_size, delete function.
2151	(power2): Delete.
2152	(monitor, monitor_base, monitor_size): Delete global variables.
2153	(sim_open, sim_close): Delete code creating monitor and other
2154 	memory regions.  Use sim-memopts module, via sim_do_commandf, to
2155 	manage memory regions.
2156	(load_memory, store_memory): Use sim-core for memory model.
2157	
2158	* interp.c (address_translation): Delete all memory map code
2159 	except line forcing 32 bit addresses.
2160
2161Wed Nov  5 11:21:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2162
2163	* sim-main.h (WITH_TRACE): Delete definition.  Enables common
2164 	trace options.
2165
2166	* interp.c (logfh, logfile): Delete globals.
2167	(sim_open, sim_close): Delete code opening & closing log file.
2168	(mips_option_handler): Delete -l and -n options.
2169	(OPTION mips_options): Ditto.
2170
2171	* interp.c (OPTION mips_options): Rename option trace to dinero.
2172	(mips_option_handler): Update.
2173
2174Wed Nov  5 09:35:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2175
2176	* interp.c (fetch_str): New function.
2177	(sim_monitor): Rewrite using sim_read & sim_write.
2178	(sim_open): Check magic number.
2179	(sim_open): Write monitor vectors into memory using sim_write.
2180	(MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2181	(sim_read, sim_write): Simplify - transfer data one byte at a
2182 	time.
2183	(load_memory, store_memory): Clarify meaning of parameter RAW.
2184
2185	* sim-main.h (isHOST): Defete definition.
2186	(isTARGET): Mark as depreciated.
2187	(address_translation): Delete parameter HOST.
2188
2189	* interp.c (address_translation): Delete parameter HOST.
2190
2191Wed Oct 29 11:13:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2192
2193	* mips.igen: 
2194
2195	* Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2196	(tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2197
2198Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2199
2200	* mips.igen: Add model filter field to records.
2201
2202Mon Oct 27 17:53:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2203
2204	* Makefile.in (SIM_NO_CFLAGS): Define.  Define WITH_IGEN=0.
2205	
2206	interp.c (sim_engine_run): Do not compile function sim_engine_run
2207 	when WITH_IGEN == 1.
2208
2209	* configure.in (sim_igen_flags, sim_m16_flags): Set according to
2210 	target architecture.
2211
2212	Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2213 	igen. Replace with configuration variables sim_igen_flags /
2214 	sim_m16_flags.
2215
2216	* m16.igen: New file.  Copy mips16 insns here.
2217	* mips.igen: From here.
2218
2219Mon Oct 27 13:53:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2220
2221	* Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2222 	to top.
2223	(tmp-igen, tmp-m16): Pass -I srcdir to igen.
2224
2225Sat Oct 25 16:51:40 1997  Gavin Koch  <gavin@cygnus.com>
2226
2227	* gencode.c (build_instruction): Follow sim_write's lead in using
2228	BigEndianMem instead of !ByteSwapMem.
2229
2230Fri Oct 24 17:41:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2231
2232	* configure.in (sim_gen): Dependent on target, select type of
2233 	generator.  Always select old style generator.
2234
2235	configure: Re-generate.
2236
2237	Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2238 	targets.
2239	(SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2240 	SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2241 	IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2242	(SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2243 	SIM_@sim_gen@_*, set by autoconf.
2244	
2245Wed Oct 22 12:52:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2246
2247	* sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2248
2249	* interp.c (ColdReset): Remove #ifdef HASFPU, check
2250 	CURRENT_FLOATING_POINT instead.
2251
2252	* interp.c (ifetch32): New function. Fetch 32 bit instruction.
2253	(address_translation): Raise exception InstructionFetch when
2254 	translation fails and isINSTRUCTION.
2255	
2256	* interp.c (sim_open, sim_write, sim_monitor, store_word,
2257 	sim_engine_run): Change type of of vaddr and paddr to
2258 	address_word.
2259	(address_translation, prefetch, load_memory, store_memory,
2260 	cache_op): Change type of vAddr and pAddr to address_word.
2261
2262	* gencode.c (build_instruction): Change type of vaddr and paddr to
2263 	address_word.
2264
2265Mon Oct 20 15:29:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2266
2267	* sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2268 	macro to obtain result of ALU op.
2269
2270Tue Oct 21 17:39:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2271
2272	* interp.c (sim_info): Call profile_print.
2273
2274Mon Oct 20 13:31:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2275
2276	* Makefile.in (SIM_OBJS): Add sim-profile.o module.
2277
2278	* sim-main.h (WITH_PROFILE): Do not define, defined in
2279 	common/sim-config.h.  Use sim-profile module.
2280	(simPROFILE): Delete defintion.
2281
2282	* interp.c (PROFILE): Delete definition.
2283	(mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2284	(sim_close): Delete code writing profile histogram.
2285	(mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2286 	Delete.
2287	(sim_engine_run): Delete code profiling the PC.
2288
2289Mon Oct 20 13:31:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2290
2291	* sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2292
2293	* interp.c (sim_monitor): Make register pointers of type
2294 	unsigned_word*.
2295
2296	* sim-main.h: Make registers of type unsigned_word not
2297 	signed_word.
2298
2299Thu Oct 16 10:31:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2300
2301	* interp.c (sync_operation): Rename from SyncOperation, make
2302 	global, add SD argument.
2303	(prefetch): Rename from Prefetch, make global, add SD argument.
2304	(decode_coproc): Make global.
2305
2306	* sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2307
2308	* gencode.c (build_instruction): Generate DecodeCoproc not
2309 	decode_coproc calls.
2310
2311	* interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2312	(SizeFGR): Move to sim-main.h
2313	(simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2314 	simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2315	(FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2316 	sim-main.h.
2317	(FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2318 	FP_RM_TOMINF, GETRM): Move to sim-main.h.
2319	(Uncached, CachedNoncoherent, CachedCoherent, Cached,
2320 	isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2321	(UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2322 	BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2323	
2324	* sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2325 	exception.
2326	(sim-alu.h): Include.
2327	(NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2328 	(sim_cia): Typedef to instruction_address.
2329	
2330Thu Oct 16 10:31:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2331
2332	* Makefile.in (interp.o): Rename generated file engine.c to
2333	oengine.c.
2334  	
2335	* interp.c: Update.
2336	
2337Thu Oct 16 10:31:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2338
2339	* gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2340	
2341Thu Oct 16 10:31:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2342
2343	* gencode.c (build_instruction): For "FPSQRT", output correct
2344 	number of arguments to Recip.
2345	
2346Tue Oct 14 17:38:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2347
2348	* Makefile.in (interp.o): Depends on sim-main.h
2349
2350	* interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2351
2352	* sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2353 	ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2354 	(REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2355 	STATE, DSSTATE): Define
2356	(GPR, FGRIDX, ..): Define.
2357
2358	* interp.c (registers, register_widths, fpr_state, ipc, dspc,
2359 	pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2360	(GPR, FGRIDX, ...): Delete macros.
2361	
2362	* interp.c: Update names to match defines from sim-main.h
2363	
2364Tue Oct 14 15:11:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2365
2366	* interp.c (sim_monitor): Add SD argument.
2367	(sim_warning): Delete.  Replace calls with calls to
2368 	sim_io_eprintf.
2369	(sim_error): Delete. Replace calls with sim_io_error.
2370	(open_trace, writeout32, writeout16, getnum): Add SD argument.
2371	(mips_set_profile): Rename from sim_set_profile. Add SD argument.
2372	(mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2373 	argument.
2374	(mips_size): Rename from sim_size. Add SD argument.
2375
2376	* interp.c (simulator): Delete global variable.
2377	(callback): Delete global variable.
2378	(mips_option_handler, sim_open, sim_write, sim_read,
2379 	sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2380 	sim_size,sim_monitor): Use sim_io_* not callback->*.
2381	(sim_open): ZALLOC simulator struct.
2382	(PROFILE): Do not define.
2383
2384Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2385
2386	* interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2387 	support.h with corresponding code.
2388
2389	* sim-main.h (word64, uword64), support.h: Move definition to
2390 	sim-main.h.
2391	(WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2392
2393	* support.h: Delete
2394	* Makefile.in: Update dependencies
2395	* interp.c: Do not include.
2396	
2397Tue Oct 14 13:35:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2398
2399	* interp.c (address_translation, load_memory, store_memory,
2400 	cache_op): Rename to from AddressTranslation et.al., make global,
2401 	add SD argument
2402	
2403	* sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2404 	CacheOp): Define.
2405	
2406	* interp.c (SignalException): Rename to signal_exception, make
2407 	global.
2408
2409	* interp.c (Interrupt, ...): Move definitions to sim-main.h.
2410	
2411	* sim-main.h (SignalException, SignalExceptionInterrupt,
2412 	SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2413 	SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2414 	SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2415 	Define.
2416  	
2417	* interp.c, support.h: Use.
2418	
2419Tue Oct 14 13:19:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2420
2421	* interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2422 	to value_fpr / store_fpr. Add SD argument.
2423	(NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2424 	Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2425
2426	* sim-main.h (ValueFPR, StoreFPR): Define.
2427	
2428Tue Oct 14 13:06:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2429
2430	* interp.c (sim_engine_run): Check consistency between configure
2431 	WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2432 	and HASFPU.
2433
2434	* configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2435        (mips_fpu): Configure WITH_FLOATING_POINT.
2436	(mips_endian): Configure WITH_TARGET_ENDIAN.
2437	* configure: Update.
2438
2439Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2440
2441	* configure: Regenerated to track ../common/aclocal.m4 changes.
2442
2443Mon Sep 29 14:45:00 1997  Bob Manson  <manson@charmed.cygnus.com>
2444
2445	* configure: Regenerated.
2446
2447Fri Sep 26 12:48:18 1997  Mark Alexander  <marka@cygnus.com>
2448
2449	* interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2450
2451Thu Sep 25 11:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2452
2453	* gencode.c (print_igen_insn_models): Assume certain architectures
2454 	include all mips* instructions.
2455	(print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2456 	instruction.
2457
2458	* Makefile.in (tmp.igen): Add target. Generate igen input from
2459 	gencode file.
2460
2461	* gencode.c (FEATURE_IGEN): Define.
2462	(main): Add --igen option.  Generate output in igen format.
2463	(process_instructions): Format output according to igen option.
2464	(print_igen_insn_format): New function.
2465	(print_igen_insn_models): New function.
2466	(process_instructions): Only issue warnings and ignore
2467 	instructions when no FEATURE_IGEN.
2468
2469Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2470
2471	* interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2472 	MIPS targets.
2473
2474Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2475
2476	* configure: Regenerated to track ../common/aclocal.m4 changes.
2477
2478Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2479
2480	* Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2481 	SIM_RESERVED_BITS): Delete, moved to common.
2482	(SIM_EXTRA_CFLAGS): Update.
2483	
2484Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2485
2486	* configure.in: Configure non-strict memory alignment.
2487	* configure: Regenerated to track ../common/aclocal.m4 changes.
2488
2489Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2490
2491	* configure: Regenerated to track ../common/aclocal.m4 changes.
2492
2493Sat Sep 20 14:07:28 1997  Gavin Koch  <gavin@cygnus.com>
2494
2495	* gencode.c (SDBBP,DERET): Added (3900) insns.
2496	(RFE): Turn on for 3900.
2497	* interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2498	(dsstate): Made global.
2499	(SUBTARGET_R3900): Added.
2500	(CANCELDELAYSLOT): New.
2501	(SignalException): Ignore SystemCall rather than ignore and
2502	terminate.  Add DebugBreakPoint handling.
2503	(decode_coproc): New insns RFE, DERET; and new registers Debug
2504	and DEPC protected by SUBTARGET_R3900.
2505	(sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2506	bits explicitly.
2507	* Makefile.in,configure.in: Add mips subtarget option.
2508	* configure: Update.	
2509
2510Fri Sep 19 09:33:27 1997  Gavin Koch  <gavin@cygnus.com>
2511
2512	* gencode.c: Add r3900 (tx39).
2513	
2514
2515Tue Sep 16 15:52:04 1997  Gavin Koch  <gavin@cygnus.com>
2516
2517	* gencode.c (build_instruction): Don't need to subtract 4 for
2518	JALR, just 2.
2519
2520Tue Sep 16 11:32:28 1997  Gavin Koch  <gavin@cygnus.com>
2521
2522	* interp.c: Correct some HASFPU problems.
2523
2524Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2525
2526	* configure: Regenerated to track ../common/aclocal.m4 changes.
2527
2528Fri Sep 12 12:01:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2529
2530	* interp.c (mips_options): Fix samples option short form, should
2531 	be `x'.
2532
2533Thu Sep 11 09:35:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2534
2535	* interp.c (sim_info): Enable info code.  Was just returning.
2536
2537Tue Sep  9 17:30:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2538
2539	* interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2540 	MFC0.
2541
2542Tue Sep  9 16:28:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2543
2544	* gencode.c (build_instruction): Use SIGNED64 for 64 bit
2545 	constants.
2546	(build_instruction): Ditto for LL.
2547
2548Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
2549
2550	* configure: Regenerated to track ../common/aclocal.m4 changes.
2551
2552Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2553
2554	* configure: Regenerated to track ../common/aclocal.m4 changes.
2555	* config.in: Ditto.
2556
2557Wed Aug 27 14:12:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2558
2559	* interp.c (sim_open): Add call to sim_analyze_program, update
2560 	call to sim_config.
2561
2562Tue Aug 26 10:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2563
2564	* interp.c (sim_kill): Delete.
2565	(sim_create_inferior): Add ABFD argument. Set PC from same.
2566	(sim_load): Move code initializing trap handlers from here.
2567	(sim_open): To here.
2568	(sim_load): Delete, use sim-hload.c.
2569
2570	* Makefile.in (SIM_OBJS): Add sim-hload.o module.
2571
2572Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2573
2574	* configure: Regenerated to track ../common/aclocal.m4 changes.
2575	* config.in: Ditto.
2576
2577Mon Aug 25 15:59:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2578
2579	* interp.c (sim_open): Add ABFD argument.
2580	(sim_load): Move call to sim_config from here.
2581	(sim_open): To here.  Check return status.
2582
2583Fri Jul 25 15:00:45 1997  Gavin Koch  <gavin@cygnus.com>
2584 
2585 	* gencode.c (build_instruction): Two arg MADD should
2586 	not assign result to $0.
2587 
2588Thu Jun 26 12:13:17 1997  Angela Marie Thomas (angela@cygnus.com)
2589
2590	* sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2591	* sim/mips/configure.in: Regenerate.
2592
2593Wed Jul  9 10:29:21 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2594
2595	* interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2596 	signed8, unsigned8 et.al. types.
2597
2598	* interp.c (SUB_REG_FETCH): Handle both little and big endian
2599 	hosts when selecting subreg.
2600
2601Wed Jul  2 11:54:10 1997  Jeffrey A Law  (law@cygnus.com)
2602
2603	* interp.c (sim_engine_run): Reset the ZERO register to zero
2604	regardless of FEATURE_WARN_ZERO.
2605	* gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2606
2607Wed Jun  4 10:43:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2608
2609	* interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2610	(SignalException): For BreakPoints ignore any mode bits and just
2611 	save the PC.
2612	(SignalException): Always set the CAUSE register.
2613
2614Tue Jun  3 05:00:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2615
2616	* interp.c (SignalException): Clear the simDELAYSLOT flag when an
2617 	exception has been taken.
2618
2619	* interp.c: Implement the ERET and mt/f sr instructions.
2620
2621Sat May 31 00:44:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2622
2623	* interp.c (SignalException): Don't bother restarting an
2624 	interrupt.
2625
2626Fri May 30 23:41:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2627
2628	* interp.c (SignalException): Really take an interrupt.
2629	(interrupt_event): Only deliver interrupts when enabled.
2630
2631Tue May 27 20:08:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2632
2633	* interp.c (sim_info): Only print info when verbose.
2634	(sim_info) Use sim_io_printf for output.
2635	
2636Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2637
2638	* interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2639 	mips architectures.
2640
2641Tue May 27 14:22:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2642
2643	* interp.c (sim_do_command): Check for common commands if a
2644 	simulator specific command fails.
2645
2646Thu May 22 09:32:03 1997  Gavin Koch  <gavin@cygnus.com>
2647
2648	* interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2649	and simBE when DEBUG is defined.
2650
2651Wed May 21 09:08:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2652
2653	* interp.c (interrupt_event): New function.  Pass exception event
2654 	onto exception handler.
2655
2656	* configure.in: Check for stdlib.h.
2657	* configure: Regenerate.
2658
2659	* gencode.c (build_instruction): Add UNUSED attribute to tempS
2660 	variable declaration.
2661	(build_instruction): Initialize memval1.
2662	(build_instruction): Add UNUSED attribute to byte, bigend,
2663 	reverse.
2664	(build_operands): Ditto.
2665
2666	* interp.c: Fix GCC warnings.
2667	(sim_get_quit_code): Delete.
2668
2669	* configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2670	* Makefile.in: Ditto.
2671	* configure: Re-generate.
2672	
2673	* Makefile.in (SIM_OBJS): Add sim-watch.o module.
2674
2675Tue May 20 15:08:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2676
2677	* interp.c (mips_option_handler): New function parse argumes using
2678 	sim-options.
2679	(myname): Replace with STATE_MY_NAME.
2680	(sim_open): Delete check for host endianness - performed by
2681 	sim_config.
2682	(simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2683	(sim_open): Move much of the initialization from here.
2684	(sim_load): To here.  After the image has been loaded and
2685 	endianness set.
2686	(sim_open): Move ColdReset from here.
2687	(sim_create_inferior): To here.
2688	(sim_open): Make FP check less dependant on host endianness.
2689
2690	* Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2691 	run.
2692	* interp.c (sim_set_callbacks): Delete.
2693
2694	* interp.c (membank, membank_base, membank_size): Replace with
2695 	STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2696	(sim_open): Remove call to callback->init. gdb/run do this.
2697
2698	* interp.c: Update
2699
2700	* sim-main.h (SIM_HAVE_FLATMEM): Define.
2701
2702	* interp.c (big_endian_p): Delete, replaced by
2703 	current_target_byte_order.
2704
2705Tue May 20 13:55:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2706
2707	* interp.c (host_read_long, host_read_word, host_swap_word,
2708 	host_swap_long): Delete. Using common sim-endian.
2709	(sim_fetch_register, sim_store_register): Use H2T.
2710	(pipeline_ticks): Delete.  Handled by sim-events.
2711	(sim_info): Update.
2712	(sim_engine_run): Update.
2713
2714Tue May 20 13:42:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2715
2716	* interp.c (sim_stop_reason): Move code determining simEXCEPTION
2717 	reason from here.
2718	(SignalException): To here. Signal using sim_engine_halt.
2719	(sim_stop_reason): Delete, moved to common.
2720	
2721Tue May 20 10:19:48 1997  Andrew Cagney  <cagney@b2.cygnus.com>
2722
2723	* interp.c (sim_open): Add callback argument.
2724	(sim_set_callbacks): Delete SIM_DESC argument.
2725	(sim_size): Ditto.
2726
2727Mon May 19 18:20:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2728
2729	* Makefile.in (SIM_OBJS): Add common modules.
2730
2731	* interp.c (sim_set_callbacks): Also set SD callback.
2732	(set_endianness, xfer_*, swap_*): Delete.
2733	(host_read_word, host_read_long, host_swap_word, host_swap_long):
2734 	Change to functions using sim-endian macros.
2735	(control_c, sim_stop): Delete, use common version.
2736	(simulate): Convert into.
2737	(sim_engine_run): This function.
2738	(sim_resume): Delete.
2739	
2740	* interp.c (simulation): New variable - the simulator object.
2741	(sim_kind): Delete global - merged into simulation.
2742	(sim_load): Cleanup.  Move PC assignment from here.
2743	(sim_create_inferior): To here.
2744
2745	* sim-main.h: New file.
2746	* interp.c (sim-main.h): Include.
2747	
2748Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
2749
2750	* configure: Regenerated to track ../common/aclocal.m4 changes.
2751
2752Wed Apr 23 17:32:19 1997  Doug Evans  <dje@canuck.cygnus.com>
2753
2754	* tconfig.in (SIM_HAVE_BIENDIAN): Define.
2755
2756Mon Apr 21 17:16:13 1997  Gavin Koch  <gavin@cygnus.com>
2757
2758	* gencode.c (build_instruction): DIV instructions: check 
2759	for division by zero and integer overflow before using 
2760	host's division operation.
2761
2762Thu Apr 17 03:18:14 1997  Doug Evans  <dje@canuck.cygnus.com>
2763
2764	* Makefile.in (SIM_OBJS): Add sim-load.o.
2765	* interp.c: #include bfd.h.
2766	(target_byte_order): Delete.
2767	(sim_kind, myname, big_endian_p): New static locals.
2768	(sim_open): Set sim_kind, myname.  Move call to set_endianness to
2769	after argument parsing.  Recognize -E arg, set endianness accordingly.
2770	(sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
2771	load file into simulator.  Set PC from bfd.
2772	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.
2773	(set_endianness): Use big_endian_p instead of target_byte_order.
2774
2775Wed Apr 16 17:55:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
2776
2777	* interp.c (sim_size): Delete prototype - conflicts with
2778 	definition in remote-sim.h.  Correct definition.
2779
2780Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2781
2782	* configure: Regenerated to track ../common/aclocal.m4 changes.
2783	* config.in: Ditto.
2784
2785Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
2786
2787	* interp.c (sim_open): New arg `kind'.
2788
2789	* configure: Regenerated to track ../common/aclocal.m4 changes.
2790
2791Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2792
2793	* configure: Regenerated to track ../common/aclocal.m4 changes.
2794
2795Tue Mar 25 11:38:22 1997  Doug Evans  <dje@canuck.cygnus.com>
2796
2797	* interp.c (sim_open): Set optind to 0 before calling getopt.
2798
2799Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2800
2801	* configure: Regenerated to track ../common/aclocal.m4 changes.
2802
2803Mon Mar 17 10:52:59 1997  Gavin Koch  <gavin@cetus.cygnus.com>
2804
2805	* interp.c : Replace uses of pr_addr with pr_uword64
2806	where the bit length is always 64 independent of SIM_ADDR.
2807	(pr_uword64) : added.
2808
2809Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2810
2811	* configure: Re-generate.
2812
2813Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
2814
2815	* configure: Regenerate to track ../common/aclocal.m4 changes.
2816
2817Thu Mar 13 12:51:36 1997  Doug Evans  <dje@canuck.cygnus.com>
2818
2819	* interp.c (sim_open): New SIM_DESC result.  Argument is now
2820	in argv form.
2821	(other sim_*): New SIM_DESC argument.
2822
2823Mon Feb 24 22:47:14 1997  Dawn Perchik  <dawn@cygnus.com>
2824
2825	* interp.c: Fix printing of addresses for non-64-bit targets.
2826	(pr_addr): Add function to print address based on size.
2827
2828Wed Feb 19 14:42:09 1997  Mark Alexander  <marka@cygnus.com>
2829
2830	* interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2831
2832Thu Feb 13 14:08:30 1997  Ian Lance Taylor  <ian@cygnus.com>
2833
2834	* gencode.c (build_mips16_operands): Correct computation of base
2835	address for extended PC relative instruction.
2836
2837Thu Feb  6 17:16:15 1997  Ian Lance Taylor  <ian@cygnus.com>
2838
2839	* interp.c (mips16_entry): Add support for floating point cases.
2840	(SignalException): Pass floating point cases to mips16_entry.
2841	(ValueFPR): Don't restrict fmt_single and fmt_word to even
2842	registers.
2843	(StoreFPR): Likewise.  Also, don't clobber fpr + 1 for fmt_single
2844	or fmt_word.
2845	(COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2846	and then set the state to fmt_uninterpreted.
2847	(COP_SW): Temporarily set the state to fmt_word while calling
2848	ValueFPR.
2849
2850Tue Feb  4 16:48:25 1997  Ian Lance Taylor  <ian@cygnus.com>
2851
2852	* gencode.c (build_instruction): The high order may be set in the
2853	comparison flags at any ISA level, not just ISA 4.
2854
2855Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
2856
2857	* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2858	COMMON_{PRE,POST}_CONFIG_FRAG instead.
2859	* configure.in: sinclude ../common/aclocal.m4.
2860	* configure: Regenerated.
2861
2862Fri Jan 31 11:11:45 1997  Ian Lance Taylor  <ian@cygnus.com>
2863
2864	* configure: Rebuild after change to aclocal.m4.
2865
2866Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
2867
2868	* configure configure.in Makefile.in:  Update to new configure
2869	scheme which is more compatible with WinGDB builds.
2870	* configure.in:  Improve comment on how to run autoconf.
2871	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
2872	* Makefile.in:  Use autoconf substitution to install common
2873	makefile fragment.
2874
2875Wed Jan  8 12:39:03 1997  Jim Wilson  <wilson@cygnus.com>
2876
2877	* gencode.c (build_instruction): Use BigEndianCPU instead of
2878	ByteSwapMem.
2879
2880Thu Jan 02 22:23:04 1997  Mark Alexander  <marka@cygnus.com>
2881
2882	* interp.c (sim_monitor): Make output to stdout visible in
2883	wingdb's I/O log window.
2884
2885Tue Dec 31 07:04:00 1996  Mark Alexander  <marka@cygnus.com>
2886
2887	* support.h: Undo previous change to SIGTRAP
2888	and SIGQUIT values.
2889
2890Mon Dec 30 17:36:06 1996  Ian Lance Taylor  <ian@cygnus.com>
2891
2892	* interp.c (store_word, load_word): New static functions.
2893	(mips16_entry): New static function.
2894	(SignalException): Look for mips16 entry and exit instructions.
2895	(simulate): Use the correct index when setting fpr_state after
2896	doing a pending move.
2897
2898Sun Dec 29 09:37:18 1996  Mark Alexander  <marka@cygnus.com>
2899
2900	* interp.c: Fix byte-swapping code throughout to work on
2901	both little- and big-endian hosts.
2902
2903Sun Dec 29 09:18:32 1996  Mark Alexander  <marka@cygnus.com>
2904
2905	* support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2906	with gdb/config/i386/xm-windows.h.
2907
2908Fri Dec 27 22:48:51 1996  Mark Alexander  <marka@cygnus.com>
2909
2910	* gencode.c (build_instruction): Work around MSVC++ code gen bug
2911	that messes up arithmetic shifts.
2912
2913Fri Dec 20 11:04:05 1996  Stu Grossman  (grossman@critters.cygnus.com)
2914
2915	* support.h:  Use _WIN32 instead of __WIN32__.  Also add defs for
2916	SIGTRAP and SIGQUIT for _WIN32.
2917
2918Thu Dec 19 14:07:27 1996  Ian Lance Taylor  <ian@cygnus.com>
2919
2920	* gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2921	force a 64 bit multiplication.
2922	(build_instruction) [OR]: In mips16 mode, don't do anything if the
2923	destination register is 0, since that is the default mips16 nop
2924	instruction.
2925
2926Mon Dec 16 14:59:38 1996  Ian Lance Taylor  <ian@cygnus.com>
2927
2928	* gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2929	(build_endian_shift): Don't check proc64.
2930	(build_instruction): Always set memval to uword64.  Cast op2 to
2931	uword64 when shifting it left in memory instructions.  Always use
2932	the same code for stores--don't special case proc64.
2933
2934	* gencode.c (build_mips16_operands): Fix base PC value for PC
2935	relative operands.
2936	(build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2937	jal instruction.
2938	* interp.c (simJALDELAYSLOT): Define.
2939 	(JALDELAYSLOT): Define.
2940	(INDELAYSLOT, INJALDELAYSLOT): Define.
2941	(simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2942
2943Tue Dec 24 22:11:20 1996  Angela Marie Thomas (angela@cygnus.com)
2944
2945	* interp.c (sim_open): add flush_cache as a PMON routine
2946	(sim_monitor): handle flush_cache by ignoring it
2947
2948Wed Dec 11 13:53:51 1996  Jim Wilson  <wilson@cygnus.com>
2949
2950	* gencode.c (build_instruction): Use !ByteSwapMem instead of
2951	BigEndianMem.
2952	* interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2953	(BigEndianMem): Rename to ByteSwapMem and change sense.
2954	(BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2955	BigEndianMem references to !ByteSwapMem.
2956	(set_endianness): New function, with prototype.
2957	(sim_open): Call set_endianness.
2958	(sim_info): Use simBE instead of BigEndianMem.
2959	(xfer_direct_word, xfer_direct_long, swap_direct_word,
2960	swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2961	xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2962	ifdefs, keeping the prototype declaration.
2963	(swap_word): Rewrite correctly.
2964	(ColdReset): Delete references to CONFIG.  Delete endianness related
2965	code; moved to set_endianness.
2966	
2967Tue Dec 10 11:32:04 1996  Jim Wilson  <wilson@cygnus.com>
2968
2969	* gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2970	* interp.c (CHECKHILO): Define away.
2971	(simSIGINT): New macro.
2972	(membank_size): Increase from 1MB to 2MB.
2973	(control_c): New function.
2974	(sim_resume): Rename parameter signal to signal_number.  Add local
2975	variable prev.  Call signal before and after simulate.
2976	(sim_stop_reason): Add simSIGINT support.
2977	(sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2978	functions always.
2979	(sim_warning): Delete call to SignalException.  Do call printf_filtered
2980	if logfh is NULL.
2981	(AddressTranslation): Add #ifdef DEBUG around debugging message and
2982	a call to sim_warning.
2983
2984Wed Nov 27 11:53:50 1996  Ian Lance Taylor  <ian@cygnus.com>
2985
2986	* gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2987	16 bit instructions.
2988
2989Tue Nov 26 11:53:12 1996  Ian Lance Taylor  <ian@cygnus.com>
2990
2991	Add support for mips16 (16 bit MIPS implementation):
2992	* gencode.c (inst_type): Add mips16 instruction encoding types.
2993	(GETDATASIZEINSN): Define.
2994	(MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv.  Add
2995	jalx.  Add LEFT flag to mfhi and mflo.  Add RIGHT flag to mthi and
2996	mtlo.
2997	(MIPS16_DECODE): New table, for mips16 instructions.
2998	(bitmap_val): New static function.
2999	(struct mips16_op): Define.
3000	(mips16_op_table): New table, for mips16 operands.
3001	(build_mips16_operands): New static function.
3002	(process_instructions): If PC is odd, decode a mips16
3003	instruction.  Break out instruction handling into new
3004	build_instruction function.
3005	(build_instruction): New static function, broken out of
3006	process_instructions.  Check modifiers rather than flags for SHIFT
3007	bit count and m[ft]{hi,lo} direction.
3008	(usage): Pass program name to fprintf.
3009	(main): Remove unused variable this_option_optind.  Change
3010	``*loptarg++'' to ``loptarg++''.
3011	(my_strtoul): Parenthesize && within ||.
3012	* interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3013	(simulate): If PC is odd, fetch a 16 bit instruction, and
3014	increment PC by 2 rather than 4.
3015	* configure.in: Add case for mips16*-*-*.
3016	* configure: Rebuild.
3017
3018Fri Nov 22 08:49:36 1996  Mark Alexander  <marka@cygnus.com>
3019
3020	* interp.c: Allow -t to enable tracing in standalone simulator.
3021	Fix garbage output in trace file and error messages.
3022
3023Wed Nov 20 01:54:37 1996  Doug Evans  <dje@canuck.cygnus.com>
3024
3025	* Makefile.in: Delete stuff moved to ../common/Make-common.in.
3026	(SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3027	* configure.in: Simplify using macros in ../common/aclocal.m4.
3028	* configure: Regenerated.
3029	* tconfig.in: New file.
3030
3031Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
3032
3033	* interp.c: Fix bugs in 64-bit port.
3034	Use ansi function declarations for msvc compiler.
3035	Initialize and test file pointer in trace code.
3036	Prevent duplicate definition of LAST_EMED_REGNUM.
3037
3038Tue Oct 15 11:07:06 1996  Mark Alexander  <marka@cygnus.com>
3039
3040	* interp.c (xfer_big_long): Prevent unwanted sign extension.
3041
3042Thu Sep 26 17:35:00 1996  James G. Smith  <jsmith@cygnus.co.uk>
3043
3044	* interp.c (SignalException): Check for explicit terminating
3045 	breakpoint value.
3046	* gencode.c: Pass instruction value through SignalException()
3047 	calls for Trap, Breakpoint and Syscall.
3048
3049Thu Sep 26 11:35:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
3050
3051	* interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3052 	only used on those hosts that provide it.
3053	* configure.in: Add sqrt() to list of functions to be checked for.
3054	* config.in: Re-generated.
3055	* configure: Re-generated.
3056
3057Fri Sep 20 15:47:12 1996  Ian Lance Taylor  <ian@cygnus.com>
3058
3059	* gencode.c (process_instructions): Call build_endian_shift when
3060	expanding STORE RIGHT, to fix swr.
3061	* support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3062	clear the high bits.
3063	* interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3064	Fix float to int conversions to produce signed values.
3065
3066Thu Sep 19 15:34:17 1996  Ian Lance Taylor  <ian@cygnus.com>
3067
3068	* gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3069	(process_instructions): Correct handling of nor instruction.
3070	Correct shift count for 32 bit shift instructions. Correct sign
3071	extension for arithmetic shifts to not shift the number of bits in
3072	the type.  Fix 64 bit multiply high word calculation.  Fix 32 bit
3073	unsigned multiply.  Fix ldxc1 and friends to use coprocessor 1.
3074	Fix madd.
3075	* interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3076	It's OK to have a mult follow a mult.  What's not OK is to have a
3077	mult follow an mfhi.
3078	(Convert): Comment out incorrect rounding code.
3079
3080Mon Sep 16 11:38:16 1996  James G. Smith  <jsmith@cygnus.co.uk>
3081
3082	* interp.c (sim_monitor): Improved monitor printf
3083 	simulation. Tidied up simulator warnings, and added "--log" option
3084 	for directing warning message output.
3085	* gencode.c: Use sim_warning() rather than WARNING macro.
3086
3087Thu Aug 22 15:03:12 1996  Ian Lance Taylor  <ian@cygnus.com>
3088
3089	* Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3090	getopt1.o, rather than on gencode.c.  Link objects together.
3091	Don't link against -liberty.
3092	(gencode.o, getopt.o, getopt1.o): New targets.
3093	* gencode.c: Include <ctype.h> and "ansidecl.h".
3094	(AND): Undefine after including "ansidecl.h".
3095	(ULONG_MAX): Define if not defined.
3096	(OP_*): Don't define macros; now defined in opcode/mips.h.
3097	(main): Call my_strtoul rather than strtoul.
3098	(my_strtoul): New static function.
3099
3100Wed Jul 17 18:12:38 1996  Stu Grossman  (grossman@critters.cygnus.com)
3101
3102	* gencode.c (process_instructions):  Generate word64 and uword64
3103	instead of `long long' and `unsigned long long' data types.
3104	* interp.c:  #include sysdep.h to get signals, and define default
3105	for SIGBUS.
3106	* (Convert):  Work around for Visual-C++ compiler bug with type
3107	conversion.
3108	* support.h:  Make things compile under Visual-C++ by using
3109	__int64 instead of `long long'.  Change many refs to long long
3110	into word64/uword64 typedefs.
3111
3112Wed Jun 26 12:24:55 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
3113
3114        * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3115        INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3116        (docdir): Removed.
3117        * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3118        (AC_PROG_INSTALL): Added.
3119	(AC_PROG_CC): Moved to before configure.host call.
3120        * configure: Rebuilt.
3121	
3122Wed Jun  5 08:28:13 1996  James G. Smith  <jsmith@cygnus.co.uk>
3123
3124	* configure.in: Define @SIMCONF@ depending on mips target.
3125	* configure: Rebuild.
3126	* Makefile.in (run): Add @SIMCONF@ to control simulator
3127 	construction.
3128	* gencode.c: Change LOADDRMASK to 64bit memory model only.
3129	* interp.c: Remove some debugging, provide more detailed error
3130 	messages, update memory accesses to use LOADDRMASK.
3131	
3132Mon Jun  3 11:55:03 1996  Ian Lance Taylor  <ian@cygnus.com>
3133
3134	* configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3135	AC_CHECK_LIB, and AC_CHECK_FUNCS.  Change AC_OUTPUT to set
3136	stamp-h.
3137	* configure: Rebuild.
3138	* config.in: New file, generated by autoheader.
3139	* interp.c: Include "config.h".  Include <stdlib.h>, <string.h>,
3140	and <strings.h> if they exist.  Replace #ifdef sun with #ifdef
3141	HAVE_ANINT and HAVE_AINT, as appropriate.
3142	* Makefile.in (run): Use @LIBS@ rather than -lm.
3143	(interp.o): Depend upon config.h.
3144	(Makefile): Just rebuild Makefile.
3145	(clean): Remove stamp-h.
3146	(mostlyclean): Make the same as clean, not as distclean.
3147	(config.h, stamp-h): New targets.
3148
3149Fri May 10 00:41:17 1996  James G. Smith  <jsmith@cygnus.co.uk>
3150
3151	* interp.c (ColdReset): Fix boolean test. Make all simulator
3152 	globals static.
3153
3154Wed May  8 15:12:58 1996  James G. Smith  <jsmith@cygnus.co.uk>
3155
3156	* interp.c (xfer_direct_word, xfer_direct_long,
3157	swap_direct_word, swap_direct_long, xfer_big_word,
3158	xfer_big_long, xfer_little_word, xfer_little_long,
3159	swap_word,swap_long): Added.
3160	* interp.c (ColdReset): Provide function indirection to
3161 	host<->simulated_target transfer routines.
3162	* interp.c (sim_store_register, sim_fetch_register): Updated to
3163 	make use of indirected transfer routines.
3164
3165Fri Apr 19 15:48:24 1996  James G. Smith  <jsmith@cygnus.co.uk>
3166
3167	* gencode.c (process_instructions): Ensure FP ABS instruction
3168 	recognised.
3169	* interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3170 	system call support.
3171
3172Wed Apr 10 09:51:38 1996  James G. Smith  <jsmith@cygnus.co.uk>
3173
3174	* interp.c (sim_do_command): Complain if callback structure not
3175 	initialised.
3176
3177Thu Mar 28 13:50:51 1996  James G. Smith  <jsmith@cygnus.co.uk>
3178
3179	* interp.c (Convert): Provide round-to-nearest and round-to-zero
3180 	support for Sun hosts.
3181	* Makefile.in (gencode): Ensure the host compiler and libraries
3182 	used for cross-hosted build.
3183
3184Wed Mar 27 14:42:12 1996  James G. Smith  <jsmith@cygnus.co.uk>
3185
3186	* interp.c, gencode.c: Some more (TODO) tidying.
3187
3188Thu Mar  7 11:19:33 1996  James G. Smith  <jsmith@cygnus.co.uk>
3189
3190	* gencode.c, interp.c: Replaced explicit long long references with
3191 	WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3192	* support.h (SET64LO, SET64HI): Macros added.
3193
3194Wed Feb 21 12:16:21 1996  Ian Lance Taylor  <ian@cygnus.com>
3195
3196	* configure: Regenerate with autoconf 2.7.
3197
3198Tue Jan 30 08:48:18 1996  Fred Fish  <fnf@cygnus.com>
3199
3200	* interp.c (LoadMemory): Enclose text following #endif in /* */.
3201	* support.h: Remove superfluous "1" from #if.
3202	* support.h (CHECKSIM): Remove stray 'a' at end of line.
3203
3204Mon Dec  4 11:44:40 1995  Jamie Smith  <jsmith@cygnus.com>
3205
3206	* interp.c (StoreFPR): Control UndefinedResult() call on
3207 	WARN_RESULT manifest.
3208
3209Fri Dec  1 16:37:19 1995  James G. Smith  <jsmith@cygnus.co.uk>
3210
3211	* gencode.c: Tidied instruction decoding, and added FP instruction
3212 	support.
3213
3214	* interp.c: Added dineroIII, and BSD profiling support. Also
3215 	run-time FP handling.
3216
3217Sun Oct 22 00:57:18 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
3218
3219	* Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3220 	gencode.c, interp.c, support.h: created.
3221