1 2007-05-15 Thiemo Seufer <ths@mips.com>
3 * mips3264r2.igen (DSHD): Fix compile warning.
5 2007-05-14 Thiemo Seufer <ths@mips.com>
7 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
8 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
9 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
10 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
13 2007-03-01 Thiemo Seufer <ths@mips.com>
15 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
18 2007-02-20 Thiemo Seufer <ths@mips.com>
20 * dsp.igen: Update copyright notice.
21 * dsp2.igen: Fix copyright notice.
23 2007-02-20 Thiemo Seufer <ths@mips.com>
24 Chao-Ying Fu <fu@mips.com>
26 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
27 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
28 Add dsp2 to sim_igen_machine.
29 * configure: Regenerate.
30 * dsp.igen (do_ph_op): Add MUL support when op = 2.
31 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
32 (mulq_rs.ph): Use do_ph_mulq.
33 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
34 * mips.igen: Add dsp2 model and include dsp2.igen.
35 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
36 for *mips32r2, *mips64r2, *dsp.
37 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
38 for *mips32r2, *mips64r2, *dsp2.
39 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
41 2007-02-19 Thiemo Seufer <ths@mips.com>
42 Nigel Stephens <nigel@mips.com>
44 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
45 jumps with hazard barrier.
47 2007-02-19 Thiemo Seufer <ths@mips.com>
48 Nigel Stephens <nigel@mips.com>
50 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
51 after each call to sim_io_write.
53 2007-02-19 Thiemo Seufer <ths@mips.com>
54 Nigel Stephens <nigel@mips.com>
56 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
57 supported by this simulator.
58 (decode_coproc): Recognise additional CP0 Config registers
61 2007-02-19 Thiemo Seufer <ths@mips.com>
62 Nigel Stephens <nigel@mips.com>
63 David Ung <davidu@mips.com>
65 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
66 uninterpreted formats. If fmt is one of the uninterpreted types
67 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
68 fmt_word, and fmt_uninterpreted_64 like fmt_long.
69 (store_fpr): When writing an invalid odd register, set the
70 matching even register to fmt_unknown, not the following register.
71 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
72 the the memory window at offset 0 set by --memory-size command
74 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
76 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
78 (sim_monitor): When returning the memory size to the MIPS
79 application, use the value in STATE_MEM_SIZE, not an arbitrary
81 (cop_lw): Don' mess around with FPR_STATE, just pass
82 fmt_uninterpreted_32 to StoreFPR.
84 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
86 * mips.igen (not_word_value): Single version for mips32, mips64
89 2007-02-19 Thiemo Seufer <ths@mips.com>
90 Nigel Stephens <nigel@mips.com>
92 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
95 2007-02-17 Thiemo Seufer <ths@mips.com>
97 * configure.ac (mips*-sde-elf*): Move in front of generic machine
99 * configure: Regenerate.
101 2007-02-17 Thiemo Seufer <ths@mips.com>
103 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
104 Add mdmx to sim_igen_machine.
105 (mipsisa64*-*-*): Likewise. Remove dsp.
106 (mipsisa32*-*-*): Remove dsp.
107 * configure: Regenerate.
109 2007-02-13 Thiemo Seufer <ths@mips.com>
111 * configure.ac: Add mips*-sde-elf* target.
112 * configure: Regenerate.
114 2006-12-21 Hans-Peter Nilsson <hp@axis.com>
116 * acconfig.h: Remove.
117 * config.in, configure: Regenerate.
119 2006-11-07 Thiemo Seufer <ths@mips.com>
121 * dsp.igen (do_w_op): Fix compiler warning.
123 2006-08-29 Thiemo Seufer <ths@mips.com>
124 David Ung <davidu@mips.com>
126 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
128 * configure: Regenerate.
129 * mips.igen (model): Add smartmips.
130 (MADDU): Increment ACX if carry.
131 (do_mult): Clear ACX.
132 (ROR,RORV): Add smartmips.
133 (include): Include smartmips.igen.
134 * sim-main.h (ACX): Set to REGISTERS[89].
135 * smartmips.igen: New file.
137 2006-08-29 Thiemo Seufer <ths@mips.com>
138 David Ung <davidu@mips.com>
140 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
141 mips3264r2.igen. Add missing dependency rules.
142 * m16e.igen: Support for mips16e save/restore instructions.
144 2006-06-13 Richard Earnshaw <rearnsha@arm.com>
146 * configure: Regenerated.
148 2006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
150 * configure: Regenerated.
152 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
154 * configure: Regenerated.
156 2006-05-15 Chao-ying Fu <fu@mips.com>
158 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
160 2006-04-18 Nick Clifton <nickc@redhat.com>
162 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
165 2006-03-29 Hans-Peter Nilsson <hp@axis.com>
167 * configure: Regenerate.
169 2005-12-14 Chao-ying Fu <fu@mips.com>
171 * Makefile.in (SIM_OBJS): Add dsp.o.
172 (dsp.o): New dependency.
173 (IGEN_INCLUDE): Add dsp.igen.
174 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
175 mipsisa64*-*-*): Add dsp to sim_igen_machine.
176 * configure: Regenerate.
177 * mips.igen: Add dsp model and include dsp.igen.
178 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
179 because these instructions are extended in DSP ASE.
180 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
181 adding 6 DSP accumulator registers and 1 DSP control register.
182 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
183 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
184 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
185 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
186 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
187 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
188 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
189 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
190 DSPCR_CCOND_SMASK): New define.
191 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
192 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
194 2005-07-08 Ian Lance Taylor <ian@airs.com>
196 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
198 2005-06-16 David Ung <davidu@mips.com>
199 Nigel Stephens <nigel@mips.com>
201 * mips.igen: New mips16e model and include m16e.igen.
202 (check_u64): Add mips16e tag.
203 * m16e.igen: New file for MIPS16e instructions.
204 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
205 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
207 * configure: Regenerate.
209 2005-05-26 David Ung <davidu@mips.com>
211 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
212 tags to all instructions which are applicable to the new ISAs.
213 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
215 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
217 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
219 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
220 * configure: Regenerate.
222 2005-03-23 Mark Kettenis <kettenis@gnu.org>
224 * configure: Regenerate.
226 2005-01-14 Andrew Cagney <cagney@gnu.org>
228 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
229 explicit call to AC_CONFIG_HEADER.
230 * configure: Regenerate.
232 2005-01-12 Andrew Cagney <cagney@gnu.org>
234 * configure.ac: Update to use ../common/common.m4.
235 * configure: Re-generate.
237 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
239 * configure: Regenerated to track ../common/aclocal.m4 changes.
241 2005-01-07 Andrew Cagney <cagney@gnu.org>
243 * configure.ac: Rename configure.in, require autoconf 2.59.
244 * configure: Re-generate.
246 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
248 * configure: Regenerate for ../common/aclocal.m4 update.
250 2004-09-24 Monika Chaddha <monika@acmet.com>
252 Committed by Andrew Cagney.
253 * m16.igen (CMP, CMPI): Fix assembler.
255 2004-08-18 Chris Demetriou <cgd@broadcom.com>
257 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
258 * configure: Regenerate.
260 2004-06-25 Chris Demetriou <cgd@broadcom.com>
262 * configure.in (sim_m16_machine): Include mipsIII.
263 * configure: Regenerate.
265 2004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
267 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
269 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
271 2004-04-10 Chris Demetriou <cgd@broadcom.com>
273 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
275 2004-04-09 Chris Demetriou <cgd@broadcom.com>
277 * mips.igen (check_fmt): Remove.
278 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
279 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
280 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
281 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
282 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
283 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
284 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
285 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
286 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
287 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
289 2004-04-09 Chris Demetriou <cgd@broadcom.com>
291 * sb1.igen (check_sbx): New function.
292 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
294 2004-03-29 Chris Demetriou <cgd@broadcom.com>
295 Richard Sandiford <rsandifo@redhat.com>
297 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
298 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
299 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
300 separate implementations for mipsIV and mipsV. Use new macros to
301 determine whether the restrictions apply.
303 2004-01-19 Chris Demetriou <cgd@broadcom.com>
305 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
306 (check_mult_hilo): Improve comments.
307 (check_div_hilo): Likewise. Also, fork off a new version
308 to handle mips32/mips64 (since there are no hazards to check
311 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
313 * mips.igen (do_dmultx): Fix check for negative operands.
315 2003-05-16 Ian Lance Taylor <ian@airs.com>
317 * Makefile.in (SHELL): Make sure this is defined.
318 (various): Use $(SHELL) whenever we invoke move-if-change.
320 2003-05-03 Chris Demetriou <cgd@broadcom.com>
322 * cp1.c: Tweak attribution slightly.
325 * mdmx.igen: Likewise.
326 * mips3d.igen: Likewise.
327 * sb1.igen: Likewise.
329 2003-04-15 Richard Sandiford <rsandifo@redhat.com>
331 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
334 2003-02-27 Andrew Cagney <cagney@redhat.com>
336 * interp.c (sim_open): Rename _bfd to bfd.
337 (sim_create_inferior): Ditto.
339 2003-01-14 Chris Demetriou <cgd@broadcom.com>
341 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
343 2003-01-14 Chris Demetriou <cgd@broadcom.com>
345 * mips.igen (EI, DI): Remove.
347 2003-01-05 Richard Sandiford <rsandifo@redhat.com>
349 * Makefile.in (tmp-run-multi): Fix mips16 filter.
351 2003-01-04 Richard Sandiford <rsandifo@redhat.com>
352 Andrew Cagney <ac131313@redhat.com>
353 Gavin Romig-Koch <gavin@redhat.com>
354 Graydon Hoare <graydon@redhat.com>
355 Aldy Hernandez <aldyh@redhat.com>
356 Dave Brolley <brolley@redhat.com>
357 Chris Demetriou <cgd@broadcom.com>
359 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
360 (sim_mach_default): New variable.
361 (mips64vr-*-*, mips64vrel-*-*): New configurations.
362 Add a new simulator generator, MULTI.
363 * configure: Regenerate.
364 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
365 (multi-run.o): New dependency.
366 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
367 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
368 (tmp-multi): Combine them.
369 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
370 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
371 (distclean-extra): New rule.
372 * sim-main.h: Include bfd.h.
373 (MIPS_MACH): New macro.
374 * mips.igen (vr4120, vr5400, vr5500): New models.
375 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
376 * vr.igen: Replace with new version.
378 2003-01-04 Chris Demetriou <cgd@broadcom.com>
380 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
381 * configure: Regenerate.
383 2002-12-31 Chris Demetriou <cgd@broadcom.com>
385 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
386 * mips.igen: Remove all invocations of check_branch_bug and
389 2002-12-16 Chris Demetriou <cgd@broadcom.com>
391 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
393 2002-07-30 Chris Demetriou <cgd@broadcom.com>
395 * mips.igen (do_load_double, do_store_double): New functions.
396 (LDC1, SDC1): Rename to...
397 (LDC1b, SDC1b): respectively.
398 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
400 2002-07-29 Michael Snyder <msnyder@redhat.com>
402 * cp1.c (fp_recip2): Modify initialization expression so that
403 GCC will recognize it as constant.
405 2002-06-18 Chris Demetriou <cgd@broadcom.com>
407 * mdmx.c (SD_): Delete.
408 (Unpredictable): Re-define, for now, to directly invoke
409 unpredictable_action().
410 (mdmx_acc_op): Fix error in .ob immediate handling.
412 2002-06-18 Andrew Cagney <cagney@redhat.com>
414 * interp.c (sim_firmware_command): Initialize `address'.
416 2002-06-16 Andrew Cagney <ac131313@redhat.com>
418 * configure: Regenerated to track ../common/aclocal.m4 changes.
420 2002-06-14 Chris Demetriou <cgd@broadcom.com>
421 Ed Satterthwaite <ehs@broadcom.com>
423 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
424 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
425 * mips.igen: Include mips3d.igen.
426 (mips3d): New model name for MIPS-3D ASE instructions.
427 (CVT.W.fmt): Don't use this instruction for word (source) format
429 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
430 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
431 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
432 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
433 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
434 (RSquareRoot1, RSquareRoot2): New macros.
435 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
436 (fp_rsqrt2): New functions.
437 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
438 * configure: Regenerate.
440 2002-06-13 Chris Demetriou <cgd@broadcom.com>
441 Ed Satterthwaite <ehs@broadcom.com>
443 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
444 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
445 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
446 (convert): Note that this function is not used for paired-single
448 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
449 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
450 (check_fmt_p): Enable paired-single support.
451 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
452 (PUU.PS): New instructions.
453 (CVT.S.fmt): Don't use this instruction for paired-single format
455 * sim-main.h (FP_formats): New value 'fmt_ps.'
456 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
457 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
459 2002-06-12 Chris Demetriou <cgd@broadcom.com>
461 * mips.igen: Fix formatting of function calls in
464 2002-06-12 Chris Demetriou <cgd@broadcom.com>
466 * mips.igen (MOVN, MOVZ): Trace result.
467 (TNEI): Print "tnei" as the opcode name in traces.
468 (CEIL.W): Add disassembly string for traces.
469 (RSQRT.fmt): Make location of disassembly string consistent
470 with other instructions.
472 2002-06-12 Chris Demetriou <cgd@broadcom.com>
474 * mips.igen (X): Delete unused function.
476 2002-06-08 Andrew Cagney <cagney@redhat.com>
478 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
480 2002-06-07 Chris Demetriou <cgd@broadcom.com>
481 Ed Satterthwaite <ehs@broadcom.com>
483 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
484 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
485 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
486 (fp_nmsub): New prototypes.
487 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
488 (NegMultiplySub): New defines.
489 * mips.igen (RSQRT.fmt): Use RSquareRoot().
490 (MADD.D, MADD.S): Replace with...
491 (MADD.fmt): New instruction.
492 (MSUB.D, MSUB.S): Replace with...
493 (MSUB.fmt): New instruction.
494 (NMADD.D, NMADD.S): Replace with...
495 (NMADD.fmt): New instruction.
496 (NMSUB.D, MSUB.S): Replace with...
497 (NMSUB.fmt): New instruction.
499 2002-06-07 Chris Demetriou <cgd@broadcom.com>
500 Ed Satterthwaite <ehs@broadcom.com>
502 * cp1.c: Fix more comment spelling and formatting.
503 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
504 (denorm_mode): New function.
505 (fpu_unary, fpu_binary): Round results after operation, collect
506 status from rounding operations, and update the FCSR.
507 (convert): Collect status from integer conversions and rounding
508 operations, and update the FCSR. Adjust NaN values that result
509 from conversions. Convert to use sim_io_eprintf rather than
510 fprintf, and remove some debugging code.
511 * cp1.h (fenr_FS): New define.
513 2002-06-07 Chris Demetriou <cgd@broadcom.com>
515 * cp1.c (convert): Remove unusable debugging code, and move MIPS
516 rounding mode to sim FP rounding mode flag conversion code into...
517 (rounding_mode): New function.
519 2002-06-07 Chris Demetriou <cgd@broadcom.com>
521 * cp1.c: Clean up formatting of a few comments.
522 (value_fpr): Reformat switch statement.
524 2002-06-06 Chris Demetriou <cgd@broadcom.com>
525 Ed Satterthwaite <ehs@broadcom.com>
528 * sim-main.h: Include cp1.h.
529 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
530 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
531 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
532 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
533 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
534 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
535 * cp1.c: Don't include sim-fpu.h; already included by
536 sim-main.h. Clean up formatting of some comments.
537 (NaN, Equal, Less): Remove.
538 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
539 (fp_cmp): New functions.
540 * mips.igen (do_c_cond_fmt): Remove.
541 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
542 Compare. Add result tracing.
543 (CxC1): Remove, replace with...
544 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
545 (DMxC1): Remove, replace with...
546 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
547 (MxC1): Remove, replace with...
548 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
550 2002-06-04 Chris Demetriou <cgd@broadcom.com>
552 * sim-main.h (FGRIDX): Remove, replace all uses with...
553 (FGR_BASE): New macro.
554 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
555 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
556 (NR_FGR, FGR): Likewise.
557 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
558 * mips.igen: Likewise.
560 2002-06-04 Chris Demetriou <cgd@broadcom.com>
562 * cp1.c: Add an FSF Copyright notice to this file.
564 2002-06-04 Chris Demetriou <cgd@broadcom.com>
565 Ed Satterthwaite <ehs@broadcom.com>
567 * cp1.c (Infinity): Remove.
568 * sim-main.h (Infinity): Likewise.
570 * cp1.c (fp_unary, fp_binary): New functions.
571 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
572 (fp_sqrt): New functions, implemented in terms of the above.
573 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
574 (Recip, SquareRoot): Remove (replaced by functions above).
575 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
576 (fp_recip, fp_sqrt): New prototypes.
577 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
578 (Recip, SquareRoot): Replace prototypes with #defines which
579 invoke the functions above.
581 2002-06-03 Chris Demetriou <cgd@broadcom.com>
583 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
584 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
585 file, remove PARAMS from prototypes.
586 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
587 simulator state arguments.
588 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
589 pass simulator state arguments.
590 * cp1.c (SD): Redefine as CPU_STATE(cpu).
591 (store_fpr, convert): Remove 'sd' argument.
592 (value_fpr): Likewise. Convert to use 'SD' instead.
594 2002-06-03 Chris Demetriou <cgd@broadcom.com>
596 * cp1.c (Min, Max): Remove #if 0'd functions.
597 * sim-main.h (Min, Max): Remove.
599 2002-06-03 Chris Demetriou <cgd@broadcom.com>
601 * cp1.c: fix formatting of switch case and default labels.
602 * interp.c: Likewise.
603 * sim-main.c: Likewise.
605 2002-06-03 Chris Demetriou <cgd@broadcom.com>
607 * cp1.c: Clean up comments which describe FP formats.
608 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
610 2002-06-03 Chris Demetriou <cgd@broadcom.com>
611 Ed Satterthwaite <ehs@broadcom.com>
613 * configure.in (mipsisa64sb1*-*-*): New target for supporting
614 Broadcom SiByte SB-1 processor configurations.
615 * configure: Regenerate.
616 * sb1.igen: New file.
617 * mips.igen: Include sb1.igen.
619 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
620 * mdmx.igen: Add "sb1" model to all appropriate functions and
622 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
623 (ob_func, ob_acc): Reference the above.
624 (qh_acc): Adjust to keep the same size as ob_acc.
625 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
626 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
628 2002-06-03 Chris Demetriou <cgd@broadcom.com>
630 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
632 2002-06-02 Chris Demetriou <cgd@broadcom.com>
633 Ed Satterthwaite <ehs@broadcom.com>
635 * mips.igen (mdmx): New (pseudo-)model.
636 * mdmx.c, mdmx.igen: New files.
637 * Makefile.in (SIM_OBJS): Add mdmx.o.
638 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
640 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
641 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
642 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
643 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
644 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
645 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
646 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
647 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
648 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
649 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
650 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
651 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
652 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
653 (qh_fmtsel): New macros.
654 (_sim_cpu): New member "acc".
655 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
656 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
658 2002-05-01 Chris Demetriou <cgd@broadcom.com>
660 * interp.c: Use 'deprecated' rather than 'depreciated.'
661 * sim-main.h: Likewise.
663 2002-05-01 Chris Demetriou <cgd@broadcom.com>
665 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
666 which wouldn't compile anyway.
667 * sim-main.h (unpredictable_action): New function prototype.
668 (Unpredictable): Define to call igen function unpredictable().
669 (NotWordValue): New macro to call igen function not_word_value().
670 (UndefinedResult): Remove.
671 * interp.c (undefined_result): Remove.
672 (unpredictable_action): New function.
673 * mips.igen (not_word_value, unpredictable): New functions.
674 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
675 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
676 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
677 NotWordValue() to check for unpredictable inputs, then
678 Unpredictable() to handle them.
680 2002-02-24 Chris Demetriou <cgd@broadcom.com>
682 * mips.igen: Fix formatting of calls to Unpredictable().
684 2002-04-20 Andrew Cagney <ac131313@redhat.com>
686 * interp.c (sim_open): Revert previous change.
688 2002-04-18 Alexandre Oliva <aoliva@redhat.com>
690 * interp.c (sim_open): Disable chunk of code that wrote code in
691 vector table entries.
693 2002-03-19 Chris Demetriou <cgd@broadcom.com>
695 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
696 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
699 2002-03-19 Chris Demetriou <cgd@broadcom.com>
701 * cp1.c: Fix many formatting issues.
703 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
705 * cp1.c (fpu_format_name): New function to replace...
706 (DOFMT): This. Delete, and update all callers.
707 (fpu_rounding_mode_name): New function to replace...
708 (RMMODE): This. Delete, and update all callers.
710 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
712 * interp.c: Move FPU support routines from here to...
713 * cp1.c: Here. New file.
714 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
717 2002-03-12 Chris Demetriou <cgd@broadcom.com>
719 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
720 * mips.igen (mips32, mips64): New models, add to all instructions
721 and functions as appropriate.
722 (loadstore_ea, check_u64): New variant for model mips64.
723 (check_fmt_p): New variant for models mipsV and mips64, remove
724 mipsV model marking fro other variant.
727 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
728 for mips32 and mips64.
729 (DCLO, DCLZ): New instructions for mips64.
731 2002-03-07 Chris Demetriou <cgd@broadcom.com>
733 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
734 immediate or code as a hex value with the "%#lx" format.
735 (ANDI): Likewise, and fix printed instruction name.
737 2002-03-05 Chris Demetriou <cgd@broadcom.com>
739 * sim-main.h (UndefinedResult, Unpredictable): New macros
740 which currently do nothing.
742 2002-03-05 Chris Demetriou <cgd@broadcom.com>
744 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
745 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
746 (status_CU3): New definitions.
748 * sim-main.h (ExceptionCause): Add new values for MIPS32
749 and MIPS64: MDMX, MCheck, CacheErr. Update comments
750 for DebugBreakPoint and NMIReset to note their status in
752 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
753 (SignalExceptionCacheErr): New exception macros.
755 2002-03-05 Chris Demetriou <cgd@broadcom.com>
757 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
758 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
760 (SignalExceptionCoProcessorUnusable): Take as argument the
761 unusable coprocessor number.
763 2002-03-05 Chris Demetriou <cgd@broadcom.com>
765 * mips.igen: Fix formatting of all SignalException calls.
767 2002-03-05 Chris Demetriou <cgd@broadcom.com>
769 * sim-main.h (SIGNEXTEND): Remove.
771 2002-03-04 Chris Demetriou <cgd@broadcom.com>
773 * mips.igen: Remove gencode comment from top of file, fix
774 spelling in another comment.
776 2002-03-04 Chris Demetriou <cgd@broadcom.com>
778 * mips.igen (check_fmt, check_fmt_p): New functions to check
779 whether specific floating point formats are usable.
780 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
781 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
782 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
783 Use the new functions.
784 (do_c_cond_fmt): Remove format checks...
785 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
787 2002-03-03 Chris Demetriou <cgd@broadcom.com>
789 * mips.igen: Fix formatting of check_fpu calls.
791 2002-03-03 Chris Demetriou <cgd@broadcom.com>
793 * mips.igen (FLOOR.L.fmt): Store correct destination register.
795 2002-03-03 Chris Demetriou <cgd@broadcom.com>
797 * mips.igen: Remove whitespace at end of lines.
799 2002-03-02 Chris Demetriou <cgd@broadcom.com>
801 * mips.igen (loadstore_ea): New function to do effective
802 address calculations.
803 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
804 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
805 CACHE): Use loadstore_ea to do effective address computations.
807 2002-03-02 Chris Demetriou <cgd@broadcom.com>
809 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
810 * mips.igen (LL, CxC1, MxC1): Likewise.
812 2002-03-02 Chris Demetriou <cgd@broadcom.com>
814 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
815 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
816 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
817 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
818 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
819 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
820 Don't split opcode fields by hand, use the opcode field values
823 2002-03-01 Chris Demetriou <cgd@broadcom.com>
825 * mips.igen (do_divu): Fix spacing.
827 * mips.igen (do_dsllv): Move to be right before DSLLV,
828 to match the rest of the do_<shift> functions.
830 2002-03-01 Chris Demetriou <cgd@broadcom.com>
832 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
833 DSRL32, do_dsrlv): Trace inputs and results.
835 2002-03-01 Chris Demetriou <cgd@broadcom.com>
837 * mips.igen (CACHE): Provide instruction-printing string.
839 * interp.c (signal_exception): Comment tokens after #endif.
841 2002-02-28 Chris Demetriou <cgd@broadcom.com>
843 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
844 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
845 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
846 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
847 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
848 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
849 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
850 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
852 2002-02-28 Chris Demetriou <cgd@broadcom.com>
854 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
855 instruction-printing string.
856 (LWU): Use '64' as the filter flag.
858 2002-02-28 Chris Demetriou <cgd@broadcom.com>
860 * mips.igen (SDXC1): Fix instruction-printing string.
862 2002-02-28 Chris Demetriou <cgd@broadcom.com>
864 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
867 2002-02-27 Chris Demetriou <cgd@broadcom.com>
869 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
872 2002-02-27 Chris Demetriou <cgd@broadcom.com>
874 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
875 add a comma) so that it more closely match the MIPS ISA
876 documentation opcode partitioning.
877 (PREF): Put useful names on opcode fields, and include
878 instruction-printing string.
880 2002-02-27 Chris Demetriou <cgd@broadcom.com>
882 * mips.igen (check_u64): New function which in the future will
883 check whether 64-bit instructions are usable and signal an
884 exception if not. Currently a no-op.
885 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
886 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
887 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
888 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
890 * mips.igen (check_fpu): New function which in the future will
891 check whether FPU instructions are usable and signal an exception
892 if not. Currently a no-op.
893 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
894 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
895 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
896 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
897 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
898 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
899 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
900 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
902 2002-02-27 Chris Demetriou <cgd@broadcom.com>
904 * mips.igen (do_load_left, do_load_right): Move to be immediately
906 (do_store_left, do_store_right): Move to be immediately following
909 2002-02-27 Chris Demetriou <cgd@broadcom.com>
911 * mips.igen (mipsV): New model name. Also, add it to
912 all instructions and functions where it is appropriate.
914 2002-02-18 Chris Demetriou <cgd@broadcom.com>
916 * mips.igen: For all functions and instructions, list model
917 names that support that instruction one per line.
919 2002-02-11 Chris Demetriou <cgd@broadcom.com>
921 * mips.igen: Add some additional comments about supported
922 models, and about which instructions go where.
923 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
924 order as is used in the rest of the file.
926 2002-02-11 Chris Demetriou <cgd@broadcom.com>
928 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
929 indicating that ALU32_END or ALU64_END are there to check
931 (DADD): Likewise, but also remove previous comment about
934 2002-02-10 Chris Demetriou <cgd@broadcom.com>
936 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
937 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
938 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
939 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
940 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
941 fields (i.e., add and move commas) so that they more closely
942 match the MIPS ISA documentation opcode partitioning.
944 2002-02-10 Chris Demetriou <cgd@broadcom.com>
946 * mips.igen (ADDI): Print immediate value.
948 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
949 (SLL): Print "nop" specially, and don't run the code
950 that does the shift for the "nop" case.
952 2001-11-17 Fred Fish <fnf@redhat.com>
954 * sim-main.h (float_operation): Move enum declaration outside
955 of _sim_cpu struct declaration.
957 2001-04-12 Jim Blandy <jimb@redhat.com>
959 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
960 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
962 * sim-main.h (COCIDX): Remove definition; this isn't supported by
963 PENDING_FILL, and you can get the intended effect gracefully by
964 calling PENDING_SCHED directly.
966 2001-02-23 Ben Elliston <bje@redhat.com>
968 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
969 already defined elsewhere.
971 2001-02-19 Ben Elliston <bje@redhat.com>
973 * sim-main.h (sim_monitor): Return an int.
974 * interp.c (sim_monitor): Add return values.
975 (signal_exception): Handle error conditions from sim_monitor.
977 2001-02-08 Ben Elliston <bje@redhat.com>
979 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
980 (store_memory): Likewise, pass cia to sim_core_write*.
982 2000-10-19 Frank Ch. Eigler <fche@redhat.com>
984 On advice from Chris G. Demetriou <cgd@sibyte.com>:
985 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
987 Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
989 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
990 * Makefile.in: Don't delete *.igen when cleaning directory.
992 Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
994 * m16.igen (break): Call SignalException not sim_engine_halt.
996 Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
999 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1001 Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1003 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1005 2000-05-24 Michael Hayes <mhayes@cygnus.com>
1007 * mips.igen (do_dmultx): Fix typo.
1009 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1011 * configure: Regenerated to track ../common/aclocal.m4 changes.
1013 Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1015 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1017 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
1019 * sim-main.h (GPR_CLEAR): Define macro.
1021 Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1023 * interp.c (decode_coproc): Output long using %lx and not %s.
1025 2000-03-21 Frank Ch. Eigler <fche@redhat.com>
1027 * interp.c (sim_open): Sort & extend dummy memory regions for
1028 --board=jmr3904 for eCos.
1030 2000-03-02 Frank Ch. Eigler <fche@redhat.com>
1032 * configure: Regenerated.
1034 Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1036 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1037 calls, conditional on the simulator being in verbose mode.
1039 Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1041 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1042 cache don't get ReservedInstruction traps.
1044 1999-11-29 Mark Salter <msalter@cygnus.com>
1046 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1047 to clear status bits in sdisr register. This is how the hardware works.
1049 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1050 being used by cygmon.
1052 1999-11-11 Andrew Haley <aph@cygnus.com>
1054 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1057 Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1059 * mips.igen (MULT): Correct previous mis-applied patch.
1061 Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1063 * mips.igen (delayslot32): Handle sequence like
1064 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1065 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1066 (MULT): Actually pass the third register...
1068 1999-09-03 Mark Salter <msalter@cygnus.com>
1070 * interp.c (sim_open): Added more memory aliases for additional
1071 hardware being touched by cygmon on jmr3904 board.
1073 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1075 * configure: Regenerated to track ../common/aclocal.m4 changes.
1077 Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1079 * interp.c (sim_store_register): Handle case where client - GDB -
1080 specifies that a 4 byte register is 8 bytes in size.
1081 (sim_fetch_register): Ditto.
1083 1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1085 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1086 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1087 (idt_monitor_base): Base address for IDT monitor traps.
1088 (pmon_monitor_base): Ditto for PMON.
1089 (lsipmon_monitor_base): Ditto for LSI PMON.
1090 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1091 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1092 (sim_firmware_command): New function.
1093 (mips_option_handler): Call it for OPTION_FIRMWARE.
1094 (sim_open): Allocate memory for idt_monitor region. If "--board"
1095 option was given, add no monitor by default. Add BREAK hooks only if
1096 monitors are also there.
1098 Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1100 * interp.c (sim_monitor): Flush output before reading input.
1102 Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1104 * tconfig.in (SIM_HANDLES_LMA): Always define.
1106 Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1108 From Mark Salter <msalter@cygnus.com>:
1109 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1110 (sim_open): Add setup for BSP board.
1112 Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1114 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1115 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1116 them as unimplemented.
1118 1999-05-08 Felix Lee <flee@cygnus.com>
1120 * configure: Regenerated to track ../common/aclocal.m4 changes.
1122 1999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1124 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1126 Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1128 * configure.in: Any mips64vr5*-*-* target should have
1129 -DTARGET_ENABLE_FR=1.
1130 (default_endian): Any mips64vr*el-*-* target should default to
1132 * configure: Re-generate.
1134 1999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1136 * mips.igen (ldl): Extend from _16_, not 32.
1138 Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1140 * interp.c (sim_store_register): Force registers written to by GDB
1141 into an un-interpreted state.
1143 1999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1145 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1146 CPU, start periodic background I/O polls.
1147 (tx3904sio_poll): New function: periodic I/O poller.
1149 1998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1151 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
1153 Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1155 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1158 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1160 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1161 (load_word): Call SIM_CORE_SIGNAL hook on error.
1162 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1163 starting. For exception dispatching, pass PC instead of NULL_CIA.
1164 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1165 * sim-main.h (COP0_BADVADDR): Define.
1166 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1167 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1168 (_sim_cpu): Add exc_* fields to store register value snapshots.
1169 * mips.igen (*): Replace memory-related SignalException* calls
1170 with references to SIM_CORE_SIGNAL hook.
1172 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1174 * sim-main.c (*): Minor warning cleanups.
1176 1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1178 * m16.igen (DADDIU5): Correct type-o.
1180 Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1182 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1185 Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1187 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1189 (interp.o): Add dependency on itable.h
1190 (oengine.c, gencode): Delete remaining references.
1191 (BUILT_SRC_FROM_GEN): Clean up.
1193 1998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1196 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1197 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1198 tmp-run-hack) : New.
1199 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1200 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1201 Drop the "64" qualifier to get the HACK generator working.
1202 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1203 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1204 qualifier to get the hack generator working.
1205 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1206 (DSLL): Use do_dsll.
1207 (DSLLV): Use do_dsllv.
1208 (DSRA): Use do_dsra.
1209 (DSRL): Use do_dsrl.
1210 (DSRLV): Use do_dsrlv.
1211 (BC1): Move *vr4100 to get the HACK generator working.
1212 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1213 get the HACK generator working.
1214 (MACC) Rename to get the HACK generator working.
1215 (DMACC,MACCS,DMACCS): Add the 64.
1217 1998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1219 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1220 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1222 1998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1224 * mips/interp.c (DEBUG): Cleanups.
1226 1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1228 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1229 (tx3904sio_tickle): fflush after a stdout character output.
1231 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1233 * interp.c (sim_close): Uninstall modules.
1235 Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1237 * sim-main.h, interp.c (sim_monitor): Change to global
1240 Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1242 * configure.in (vr4100): Only include vr4100 instructions in
1244 * configure: Re-generate.
1245 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1247 Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1249 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1250 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1253 * configure.in (sim_default_gen, sim_use_gen): Replace with
1255 (--enable-sim-igen): Delete config option. Always using IGEN.
1256 * configure: Re-generate.
1258 * Makefile.in (gencode): Kill, kill, kill.
1261 Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1263 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1264 bit mips16 igen simulator.
1265 * configure: Re-generate.
1267 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1268 as part of vr4100 ISA.
1269 * vr.igen: Mark all instructions as 64 bit only.
1271 Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1273 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1276 Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1278 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1279 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1280 * configure: Re-generate.
1282 * m16.igen (BREAK): Define breakpoint instruction.
1283 (JALX32): Mark instruction as mips16 and not r3900.
1284 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1286 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1288 Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1290 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1291 insn as a debug breakpoint.
1293 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1295 (PENDING_SCHED): Clean up trace statement.
1296 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1297 (PENDING_FILL): Delay write by only one cycle.
1298 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1300 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1302 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1304 (pending_tick): Move incrementing of index to FOR statement.
1305 (pending_tick): Only update PENDING_OUT after a write has occured.
1307 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1309 * configure: Re-generate.
1311 * interp.c (sim_engine_run OLD): Delete explicit call to
1312 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1314 Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1316 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1317 interrupt level number to match changed SignalExceptionInterrupt
1320 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1322 * interp.c: #include "itable.h" if WITH_IGEN.
1323 (get_insn_name): New function.
1324 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1325 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1327 Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1329 * configure: Rebuilt to inhale new common/aclocal.m4.
1331 Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1333 * dv-tx3904sio.c: Include sim-assert.h.
1335 Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1337 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1338 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1339 Reorganize target-specific sim-hardware checks.
1340 * configure: rebuilt.
1341 * interp.c (sim_open): For tx39 target boards, set
1342 OPERATING_ENVIRONMENT, add tx3904sio devices.
1343 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1344 ROM executables. Install dv-sockser into sim-modules list.
1346 * dv-tx3904irc.c: Compiler warning clean-up.
1347 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1348 frequent hw-trace messages.
1350 Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1352 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1354 Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1356 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1358 * vr.igen: New file.
1359 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1360 * mips.igen: Define vr4100 model. Include vr.igen.
1361 Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1363 * mips.igen (check_mf_hilo): Correct check.
1365 Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1367 * sim-main.h (interrupt_event): Add prototype.
1369 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1370 register_ptr, register_value.
1371 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1373 * sim-main.h (tracefh): Make extern.
1375 Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1377 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1378 Reduce unnecessarily high timer event frequency.
1379 * dv-tx3904cpu.c: Ditto for interrupt event.
1381 Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1383 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1385 (interrupt_event): Made non-static.
1387 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1388 interchange of configuration values for external vs. internal
1391 Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1393 * mips.igen (BREAK): Moved code to here for
1394 simulator-reserved break instructions.
1395 * gencode.c (build_instruction): Ditto.
1396 * interp.c (signal_exception): Code moved from here. Non-
1397 reserved instructions now use exception vector, rather
1399 * sim-main.h: Moved magic constants to here.
1401 Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1403 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1404 register upon non-zero interrupt event level, clear upon zero
1406 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1407 by passing zero event value.
1408 (*_io_{read,write}_buffer): Endianness fixes.
1409 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1410 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1412 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1413 serial I/O and timer module at base address 0xFFFF0000.
1415 Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1417 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1420 Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1422 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1424 * configure: Update.
1426 Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1428 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1429 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1430 * configure.in: Include tx3904tmr in hw_device list.
1431 * configure: Rebuilt.
1432 * interp.c (sim_open): Instantiate three timer instances.
1433 Fix address typo of tx3904irc instance.
1435 Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1437 * interp.c (signal_exception): SystemCall exception now uses
1438 the exception vector.
1440 Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1442 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1445 Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1447 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1449 Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1451 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1453 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1454 sim-main.h. Declare a struct hw_descriptor instead of struct
1455 hw_device_descriptor.
1457 Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1459 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1460 right bits and then re-align left hand bytes to correct byte
1461 lanes. Fix incorrect computation in do_store_left when loading
1462 bytes from second word.
1464 Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1466 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1467 * interp.c (sim_open): Only create a device tree when HW is
1470 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1471 * interp.c (signal_exception): Ditto.
1473 Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1475 * gencode.c: Mark BEGEZALL as LIKELY.
1477 Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1479 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1480 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1482 Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1484 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1485 modules. Recognize TX39 target with "mips*tx39" pattern.
1486 * configure: Rebuilt.
1487 * sim-main.h (*): Added many macros defining bits in
1488 TX39 control registers.
1489 (SignalInterrupt): Send actual PC instead of NULL.
1490 (SignalNMIReset): New exception type.
1491 * interp.c (board): New variable for future use to identify
1492 a particular board being simulated.
1493 (mips_option_handler,mips_options): Added "--board" option.
1494 (interrupt_event): Send actual PC.
1495 (sim_open): Make memory layout conditional on board setting.
1496 (signal_exception): Initial implementation of hardware interrupt
1497 handling. Accept another break instruction variant for simulator
1499 (decode_coproc): Implement RFE instruction for TX39.
1500 (mips.igen): Decode RFE instruction as such.
1501 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1502 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1503 bbegin to implement memory map.
1504 * dv-tx3904cpu.c: New file.
1505 * dv-tx3904irc.c: New file.
1507 Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1509 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1511 Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1513 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1514 with calls to check_div_hilo.
1516 Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1518 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1519 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1520 Add special r3900 version of do_mult_hilo.
1521 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1522 with calls to check_mult_hilo.
1523 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1524 with calls to check_div_hilo.
1526 Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1528 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1529 Document a replacement.
1531 Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1533 * interp.c (sim_monitor): Make mon_printf work.
1535 Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1537 * sim-main.h (INSN_NAME): New arg `cpu'.
1539 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1541 * configure: Regenerated to track ../common/aclocal.m4 changes.
1543 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1545 * configure: Regenerated to track ../common/aclocal.m4 changes.
1548 Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1550 * acconfig.h: New file.
1551 * configure.in: Reverted change of Apr 24; use sinclude again.
1553 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1555 * configure: Regenerated to track ../common/aclocal.m4 changes.
1558 Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1560 * configure.in: Don't call sinclude.
1562 Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1564 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1566 Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1568 * mips.igen (ERET): Implement.
1570 * interp.c (decode_coproc): Return sign-extended EPC.
1572 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1574 * interp.c (signal_exception): Do not ignore Trap.
1575 (signal_exception): On TRAP, restart at exception address.
1576 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1577 (signal_exception): Update.
1578 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1579 so that TRAP instructions are caught.
1581 Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1583 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1584 contains HI/LO access history.
1585 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1586 (HIACCESS, LOACCESS): Delete, replace with
1587 (HIHISTORY, LOHISTORY): New macros.
1588 (CHECKHILO): Delete all, moved to mips.igen
1590 * gencode.c (build_instruction): Do not generate checks for
1591 correct HI/LO register usage.
1593 * interp.c (old_engine_run): Delete checks for correct HI/LO
1596 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1597 check_mf_cycles): New functions.
1598 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1599 do_divu, domultx, do_mult, do_multu): Use.
1601 * tx.igen ("madd", "maddu"): Use.
1603 Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1605 * mips.igen (DSRAV): Use function do_dsrav.
1606 (SRAV): Use new function do_srav.
1608 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1609 (B): Sign extend 11 bit immediate.
1610 (EXT-B*): Shift 16 bit immediate left by 1.
1611 (ADDIU*): Don't sign extend immediate value.
1613 Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1615 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1617 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1620 * mips.igen (delayslot32, nullify_next_insn): New functions.
1621 (m16.igen): Always include.
1622 (do_*): Add more tracing.
1624 * m16.igen (delayslot16): Add NIA argument, could be called by a
1625 32 bit MIPS16 instruction.
1627 * interp.c (ifetch16): Move function from here.
1628 * sim-main.c (ifetch16): To here.
1630 * sim-main.c (ifetch16, ifetch32): Update to match current
1631 implementations of LH, LW.
1632 (signal_exception): Don't print out incorrect hex value of illegal
1635 Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1637 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1640 * m16.igen: Implement MIPS16 instructions.
1642 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1643 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1644 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1645 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1646 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1647 bodies of corresponding code from 32 bit insn to these. Also used
1648 by MIPS16 versions of functions.
1650 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1651 (IMEM16): Drop NR argument from macro.
1653 Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1655 * Makefile.in (SIM_OBJS): Add sim-main.o.
1657 * sim-main.h (address_translation, load_memory, store_memory,
1658 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1660 (pr_addr, pr_uword64): Declare.
1661 (sim-main.c): Include when H_REVEALS_MODULE_P.
1663 * interp.c (address_translation, load_memory, store_memory,
1664 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1666 * sim-main.c: To here. Fix compilation problems.
1668 * configure.in: Enable inlining.
1669 * configure: Re-config.
1671 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1673 * configure: Regenerated to track ../common/aclocal.m4 changes.
1675 Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1677 * mips.igen: Include tx.igen.
1678 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1679 * tx.igen: New file, contains MADD and MADDU.
1681 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1682 the hardwired constant `7'.
1683 (store_memory): Ditto.
1684 (LOADDRMASK): Move definition to sim-main.h.
1686 mips.igen (MTC0): Enable for r3900.
1689 mips.igen (do_load_byte): Delete.
1690 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1691 do_store_right): New functions.
1692 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1694 configure.in: Let the tx39 use igen again.
1697 Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1699 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1700 not an address sized quantity. Return zero for cache sizes.
1702 Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1704 * mips.igen (r3900): r3900 does not support 64 bit integer
1707 Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1709 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1711 * configure : Rebuild.
1713 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1715 * configure: Regenerated to track ../common/aclocal.m4 changes.
1717 Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1719 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1721 Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1723 * configure: Regenerated to track ../common/aclocal.m4 changes.
1724 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1726 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1728 * configure: Regenerated to track ../common/aclocal.m4 changes.
1730 Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1732 * interp.c (Max, Min): Comment out functions. Not yet used.
1734 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1736 * configure: Regenerated to track ../common/aclocal.m4 changes.
1738 Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1740 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1741 configurable settings for stand-alone simulator.
1743 * configure.in: Added X11 search, just in case.
1745 * configure: Regenerated.
1747 Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1749 * interp.c (sim_write, sim_read, load_memory, store_memory):
1750 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1752 Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1754 * sim-main.h (GETFCC): Return an unsigned value.
1756 Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1758 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1759 (DADD): Result destination is RD not RT.
1761 Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1763 * sim-main.h (HIACCESS, LOACCESS): Always define.
1765 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1767 * interp.c (sim_info): Delete.
1769 Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1771 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1772 (mips_option_handler): New argument `cpu'.
1773 (sim_open): Update call to sim_add_option_table.
1775 Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1777 * mips.igen (CxC1): Add tracing.
1779 Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1781 * sim-main.h (Max, Min): Declare.
1783 * interp.c (Max, Min): New functions.
1785 * mips.igen (BC1): Add tracing.
1787 Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1789 * interp.c Added memory map for stack in vr4100
1791 Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1793 * interp.c (load_memory): Add missing "break"'s.
1795 Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1797 * interp.c (sim_store_register, sim_fetch_register): Pass in
1798 length parameter. Return -1.
1800 Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1802 * interp.c: Added hardware init hook, fixed warnings.
1804 Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1806 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1808 Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1810 * interp.c (ifetch16): New function.
1812 * sim-main.h (IMEM32): Rename IMEM.
1813 (IMEM16_IMMED): Define.
1815 (DELAY_SLOT): Update.
1817 * m16run.c (sim_engine_run): New file.
1819 * m16.igen: All instructions except LB.
1820 (LB): Call do_load_byte.
1821 * mips.igen (do_load_byte): New function.
1822 (LB): Call do_load_byte.
1824 * mips.igen: Move spec for insn bit size and high bit from here.
1825 * Makefile.in (tmp-igen, tmp-m16): To here.
1827 * m16.dc: New file, decode mips16 instructions.
1829 * Makefile.in (SIM_NO_ALL): Define.
1830 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1832 Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1834 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1835 point unit to 32 bit registers.
1836 * configure: Re-generate.
1838 Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1840 * configure.in (sim_use_gen): Make IGEN the default simulator
1841 generator for generic 32 and 64 bit mips targets.
1842 * configure: Re-generate.
1844 Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1846 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1849 * interp.c (sim_fetch_register, sim_store_register): Read/write
1850 FGR from correct location.
1851 (sim_open): Set size of FGR's according to
1852 WITH_TARGET_FLOATING_POINT_BITSIZE.
1854 * sim-main.h (FGR): Store floating point registers in a separate
1857 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1859 * configure: Regenerated to track ../common/aclocal.m4 changes.
1861 Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1863 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1865 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1867 * interp.c (pending_tick): New function. Deliver pending writes.
1869 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1870 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1871 it can handle mixed sized quantites and single bits.
1873 Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1875 * interp.c (oengine.h): Do not include when building with IGEN.
1876 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1877 (sim_info): Ditto for PROCESSOR_64BIT.
1878 (sim_monitor): Replace ut_reg with unsigned_word.
1879 (*): Ditto for t_reg.
1880 (LOADDRMASK): Define.
1881 (sim_open): Remove defunct check that host FP is IEEE compliant,
1882 using software to emulate floating point.
1883 (value_fpr, ...): Always compile, was conditional on HASFPU.
1885 Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1887 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1890 * interp.c (SD, CPU): Define.
1891 (mips_option_handler): Set flags in each CPU.
1892 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1893 (sim_close): Do not clear STATE, deleted anyway.
1894 (sim_write, sim_read): Assume CPU zero's vm should be used for
1896 (sim_create_inferior): Set the PC for all processors.
1897 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1899 (mips16_entry): Pass correct nr of args to store_word, load_word.
1900 (ColdReset): Cold reset all cpu's.
1901 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1902 (sim_monitor, load_memory, store_memory, signal_exception): Use
1903 `CPU' instead of STATE_CPU.
1906 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1909 * sim-main.h (signal_exception): Add sim_cpu arg.
1910 (SignalException*): Pass both SD and CPU to signal_exception.
1911 * interp.c (signal_exception): Update.
1913 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1915 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1916 address_translation): Ditto
1917 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1919 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1921 * configure: Regenerated to track ../common/aclocal.m4 changes.
1923 Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1925 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1927 * mips.igen (model): Map processor names onto BFD name.
1929 * sim-main.h (CPU_CIA): Delete.
1930 (SET_CIA, GET_CIA): Define
1932 Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1934 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1937 * configure.in (default_endian): Configure a big-endian simulator
1939 * configure: Re-generate.
1941 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1943 * configure: Regenerated to track ../common/aclocal.m4 changes.
1945 Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1947 * interp.c (sim_monitor): Handle Densan monitor outbyte
1948 and inbyte functions.
1950 1997-12-29 Felix Lee <flee@cygnus.com>
1952 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1954 Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1956 * Makefile.in (tmp-igen): Arrange for $zero to always be
1957 reset to zero after every instruction.
1959 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1961 * configure: Regenerated to track ../common/aclocal.m4 changes.
1964 Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1966 * mips.igen (MSUB): Fix to work like MADD.
1967 * gencode.c (MSUB): Similarly.
1969 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1971 * configure: Regenerated to track ../common/aclocal.m4 changes.
1973 Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1975 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1977 Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1979 * sim-main.h (sim-fpu.h): Include.
1981 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1982 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1983 using host independant sim_fpu module.
1985 Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1987 * interp.c (signal_exception): Report internal errors with SIGABRT
1990 * sim-main.h (C0_CONFIG): New register.
1991 (signal.h): No longer include.
1993 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1995 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
1997 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
1999 Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2001 * mips.igen: Tag vr5000 instructions.
2002 (ANDI): Was missing mipsIV model, fix assembler syntax.
2003 (do_c_cond_fmt): New function.
2004 (C.cond.fmt): Handle mips I-III which do not support CC field
2006 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2007 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2009 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2010 vr5000 which saves LO in a GPR separatly.
2012 * configure.in (enable-sim-igen): For vr5000, select vr5000
2013 specific instructions.
2014 * configure: Re-generate.
2016 Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2018 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2020 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2021 fmt_uninterpreted_64 bit cases to switch. Convert to
2024 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2026 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2027 as specified in IV3.2 spec.
2028 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2030 Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2032 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2033 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2034 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2035 PENDING_FILL versions of instructions. Simplify.
2037 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2039 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2041 (MTHI, MFHI): Disable code checking HI-LO.
2043 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2045 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2047 Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2049 * gencode.c (build_mips16_operands): Replace IPC with cia.
2051 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2052 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2054 (UndefinedResult): Replace function with macro/function
2056 (sim_engine_run): Don't save PC in IPC.
2058 * sim-main.h (IPC): Delete.
2061 * interp.c (signal_exception, store_word, load_word,
2062 address_translation, load_memory, store_memory, cache_op,
2063 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2064 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2065 current instruction address - cia - argument.
2066 (sim_read, sim_write): Call address_translation directly.
2067 (sim_engine_run): Rename variable vaddr to cia.
2068 (signal_exception): Pass cia to sim_monitor
2070 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2071 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2072 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2074 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2075 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2078 * interp.c (signal_exception): Pass restart address to
2081 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2082 idecode.o): Add dependency.
2084 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2086 (DELAY_SLOT): Update NIA not PC with branch address.
2087 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2089 * mips.igen: Use CIA not PC in branch calculations.
2090 (illegal): Call SignalException.
2091 (BEQ, ADDIU): Fix assembler.
2093 Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2095 * m16.igen (JALX): Was missing.
2097 * configure.in (enable-sim-igen): New configuration option.
2098 * configure: Re-generate.
2100 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2102 * interp.c (load_memory, store_memory): Delete parameter RAW.
2103 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2104 bypassing {load,store}_memory.
2106 * sim-main.h (ByteSwapMem): Delete definition.
2108 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2110 * interp.c (sim_do_command, sim_commands): Delete mips specific
2111 commands. Handled by module sim-options.
2113 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2114 (WITH_MODULO_MEMORY): Define.
2116 * interp.c (sim_info): Delete code printing memory size.
2118 * interp.c (mips_size): Nee sim_size, delete function.
2120 (monitor, monitor_base, monitor_size): Delete global variables.
2121 (sim_open, sim_close): Delete code creating monitor and other
2122 memory regions. Use sim-memopts module, via sim_do_commandf, to
2123 manage memory regions.
2124 (load_memory, store_memory): Use sim-core for memory model.
2126 * interp.c (address_translation): Delete all memory map code
2127 except line forcing 32 bit addresses.
2129 Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2131 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2134 * interp.c (logfh, logfile): Delete globals.
2135 (sim_open, sim_close): Delete code opening & closing log file.
2136 (mips_option_handler): Delete -l and -n options.
2137 (OPTION mips_options): Ditto.
2139 * interp.c (OPTION mips_options): Rename option trace to dinero.
2140 (mips_option_handler): Update.
2142 Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2144 * interp.c (fetch_str): New function.
2145 (sim_monitor): Rewrite using sim_read & sim_write.
2146 (sim_open): Check magic number.
2147 (sim_open): Write monitor vectors into memory using sim_write.
2148 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2149 (sim_read, sim_write): Simplify - transfer data one byte at a
2151 (load_memory, store_memory): Clarify meaning of parameter RAW.
2153 * sim-main.h (isHOST): Defete definition.
2154 (isTARGET): Mark as depreciated.
2155 (address_translation): Delete parameter HOST.
2157 * interp.c (address_translation): Delete parameter HOST.
2159 Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2163 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2164 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2166 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2168 * mips.igen: Add model filter field to records.
2170 Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2172 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2174 interp.c (sim_engine_run): Do not compile function sim_engine_run
2175 when WITH_IGEN == 1.
2177 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2178 target architecture.
2180 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2181 igen. Replace with configuration variables sim_igen_flags /
2184 * m16.igen: New file. Copy mips16 insns here.
2185 * mips.igen: From here.
2187 Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2189 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2191 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2193 Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2195 * gencode.c (build_instruction): Follow sim_write's lead in using
2196 BigEndianMem instead of !ByteSwapMem.
2198 Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2200 * configure.in (sim_gen): Dependent on target, select type of
2201 generator. Always select old style generator.
2203 configure: Re-generate.
2205 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2207 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2208 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2209 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2210 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2211 SIM_@sim_gen@_*, set by autoconf.
2213 Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2215 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2217 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2218 CURRENT_FLOATING_POINT instead.
2220 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2221 (address_translation): Raise exception InstructionFetch when
2222 translation fails and isINSTRUCTION.
2224 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2225 sim_engine_run): Change type of of vaddr and paddr to
2227 (address_translation, prefetch, load_memory, store_memory,
2228 cache_op): Change type of vAddr and pAddr to address_word.
2230 * gencode.c (build_instruction): Change type of vaddr and paddr to
2233 Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2235 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2236 macro to obtain result of ALU op.
2238 Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2240 * interp.c (sim_info): Call profile_print.
2242 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2244 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2246 * sim-main.h (WITH_PROFILE): Do not define, defined in
2247 common/sim-config.h. Use sim-profile module.
2248 (simPROFILE): Delete defintion.
2250 * interp.c (PROFILE): Delete definition.
2251 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2252 (sim_close): Delete code writing profile histogram.
2253 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2255 (sim_engine_run): Delete code profiling the PC.
2257 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2259 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2261 * interp.c (sim_monitor): Make register pointers of type
2264 * sim-main.h: Make registers of type unsigned_word not
2267 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2269 * interp.c (sync_operation): Rename from SyncOperation, make
2270 global, add SD argument.
2271 (prefetch): Rename from Prefetch, make global, add SD argument.
2272 (decode_coproc): Make global.
2274 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2276 * gencode.c (build_instruction): Generate DecodeCoproc not
2277 decode_coproc calls.
2279 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2280 (SizeFGR): Move to sim-main.h
2281 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2282 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2283 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2285 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2286 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2287 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2288 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2289 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2290 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2292 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2294 (sim-alu.h): Include.
2295 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2296 (sim_cia): Typedef to instruction_address.
2298 Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2300 * Makefile.in (interp.o): Rename generated file engine.c to
2305 Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2307 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2309 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2311 * gencode.c (build_instruction): For "FPSQRT", output correct
2312 number of arguments to Recip.
2314 Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2316 * Makefile.in (interp.o): Depends on sim-main.h
2318 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2320 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2321 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2322 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2323 STATE, DSSTATE): Define
2324 (GPR, FGRIDX, ..): Define.
2326 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2327 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2328 (GPR, FGRIDX, ...): Delete macros.
2330 * interp.c: Update names to match defines from sim-main.h
2332 Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2334 * interp.c (sim_monitor): Add SD argument.
2335 (sim_warning): Delete. Replace calls with calls to
2337 (sim_error): Delete. Replace calls with sim_io_error.
2338 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2339 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2340 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2342 (mips_size): Rename from sim_size. Add SD argument.
2344 * interp.c (simulator): Delete global variable.
2345 (callback): Delete global variable.
2346 (mips_option_handler, sim_open, sim_write, sim_read,
2347 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2348 sim_size,sim_monitor): Use sim_io_* not callback->*.
2349 (sim_open): ZALLOC simulator struct.
2350 (PROFILE): Do not define.
2352 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2354 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2355 support.h with corresponding code.
2357 * sim-main.h (word64, uword64), support.h: Move definition to
2359 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2362 * Makefile.in: Update dependencies
2363 * interp.c: Do not include.
2365 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2367 * interp.c (address_translation, load_memory, store_memory,
2368 cache_op): Rename to from AddressTranslation et.al., make global,
2371 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2374 * interp.c (SignalException): Rename to signal_exception, make
2377 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2379 * sim-main.h (SignalException, SignalExceptionInterrupt,
2380 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2381 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2382 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2385 * interp.c, support.h: Use.
2387 Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2389 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2390 to value_fpr / store_fpr. Add SD argument.
2391 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2392 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2394 * sim-main.h (ValueFPR, StoreFPR): Define.
2396 Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2398 * interp.c (sim_engine_run): Check consistency between configure
2399 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2402 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2403 (mips_fpu): Configure WITH_FLOATING_POINT.
2404 (mips_endian): Configure WITH_TARGET_ENDIAN.
2405 * configure: Update.
2407 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2409 * configure: Regenerated to track ../common/aclocal.m4 changes.
2411 Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2413 * configure: Regenerated.
2415 Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2417 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2419 Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2421 * gencode.c (print_igen_insn_models): Assume certain architectures
2422 include all mips* instructions.
2423 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2426 * Makefile.in (tmp.igen): Add target. Generate igen input from
2429 * gencode.c (FEATURE_IGEN): Define.
2430 (main): Add --igen option. Generate output in igen format.
2431 (process_instructions): Format output according to igen option.
2432 (print_igen_insn_format): New function.
2433 (print_igen_insn_models): New function.
2434 (process_instructions): Only issue warnings and ignore
2435 instructions when no FEATURE_IGEN.
2437 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2439 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2442 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2444 * configure: Regenerated to track ../common/aclocal.m4 changes.
2446 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2448 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2449 SIM_RESERVED_BITS): Delete, moved to common.
2450 (SIM_EXTRA_CFLAGS): Update.
2452 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2454 * configure.in: Configure non-strict memory alignment.
2455 * configure: Regenerated to track ../common/aclocal.m4 changes.
2457 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2459 * configure: Regenerated to track ../common/aclocal.m4 changes.
2461 Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2463 * gencode.c (SDBBP,DERET): Added (3900) insns.
2464 (RFE): Turn on for 3900.
2465 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2466 (dsstate): Made global.
2467 (SUBTARGET_R3900): Added.
2468 (CANCELDELAYSLOT): New.
2469 (SignalException): Ignore SystemCall rather than ignore and
2470 terminate. Add DebugBreakPoint handling.
2471 (decode_coproc): New insns RFE, DERET; and new registers Debug
2472 and DEPC protected by SUBTARGET_R3900.
2473 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2475 * Makefile.in,configure.in: Add mips subtarget option.
2476 * configure: Update.
2478 Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2480 * gencode.c: Add r3900 (tx39).
2483 Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2485 * gencode.c (build_instruction): Don't need to subtract 4 for
2488 Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2490 * interp.c: Correct some HASFPU problems.
2492 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2494 * configure: Regenerated to track ../common/aclocal.m4 changes.
2496 Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2498 * interp.c (mips_options): Fix samples option short form, should
2501 Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2503 * interp.c (sim_info): Enable info code. Was just returning.
2505 Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2507 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2510 Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2512 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2514 (build_instruction): Ditto for LL.
2516 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2518 * configure: Regenerated to track ../common/aclocal.m4 changes.
2520 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2522 * configure: Regenerated to track ../common/aclocal.m4 changes.
2525 Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2527 * interp.c (sim_open): Add call to sim_analyze_program, update
2530 Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2532 * interp.c (sim_kill): Delete.
2533 (sim_create_inferior): Add ABFD argument. Set PC from same.
2534 (sim_load): Move code initializing trap handlers from here.
2535 (sim_open): To here.
2536 (sim_load): Delete, use sim-hload.c.
2538 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2540 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2542 * configure: Regenerated to track ../common/aclocal.m4 changes.
2545 Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2547 * interp.c (sim_open): Add ABFD argument.
2548 (sim_load): Move call to sim_config from here.
2549 (sim_open): To here. Check return status.
2551 Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2553 * gencode.c (build_instruction): Two arg MADD should
2554 not assign result to $0.
2556 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2558 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2559 * sim/mips/configure.in: Regenerate.
2561 Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2563 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2564 signed8, unsigned8 et.al. types.
2566 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2567 hosts when selecting subreg.
2569 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2571 * interp.c (sim_engine_run): Reset the ZERO register to zero
2572 regardless of FEATURE_WARN_ZERO.
2573 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2575 Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2577 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2578 (SignalException): For BreakPoints ignore any mode bits and just
2580 (SignalException): Always set the CAUSE register.
2582 Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2584 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2585 exception has been taken.
2587 * interp.c: Implement the ERET and mt/f sr instructions.
2589 Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2591 * interp.c (SignalException): Don't bother restarting an
2594 Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2596 * interp.c (SignalException): Really take an interrupt.
2597 (interrupt_event): Only deliver interrupts when enabled.
2599 Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2601 * interp.c (sim_info): Only print info when verbose.
2602 (sim_info) Use sim_io_printf for output.
2604 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2606 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2609 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2611 * interp.c (sim_do_command): Check for common commands if a
2612 simulator specific command fails.
2614 Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2616 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2617 and simBE when DEBUG is defined.
2619 Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2621 * interp.c (interrupt_event): New function. Pass exception event
2622 onto exception handler.
2624 * configure.in: Check for stdlib.h.
2625 * configure: Regenerate.
2627 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2628 variable declaration.
2629 (build_instruction): Initialize memval1.
2630 (build_instruction): Add UNUSED attribute to byte, bigend,
2632 (build_operands): Ditto.
2634 * interp.c: Fix GCC warnings.
2635 (sim_get_quit_code): Delete.
2637 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2638 * Makefile.in: Ditto.
2639 * configure: Re-generate.
2641 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2643 Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2645 * interp.c (mips_option_handler): New function parse argumes using
2647 (myname): Replace with STATE_MY_NAME.
2648 (sim_open): Delete check for host endianness - performed by
2650 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2651 (sim_open): Move much of the initialization from here.
2652 (sim_load): To here. After the image has been loaded and
2654 (sim_open): Move ColdReset from here.
2655 (sim_create_inferior): To here.
2656 (sim_open): Make FP check less dependant on host endianness.
2658 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2660 * interp.c (sim_set_callbacks): Delete.
2662 * interp.c (membank, membank_base, membank_size): Replace with
2663 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2664 (sim_open): Remove call to callback->init. gdb/run do this.
2668 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2670 * interp.c (big_endian_p): Delete, replaced by
2671 current_target_byte_order.
2673 Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2675 * interp.c (host_read_long, host_read_word, host_swap_word,
2676 host_swap_long): Delete. Using common sim-endian.
2677 (sim_fetch_register, sim_store_register): Use H2T.
2678 (pipeline_ticks): Delete. Handled by sim-events.
2680 (sim_engine_run): Update.
2682 Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2684 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2686 (SignalException): To here. Signal using sim_engine_halt.
2687 (sim_stop_reason): Delete, moved to common.
2689 Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2691 * interp.c (sim_open): Add callback argument.
2692 (sim_set_callbacks): Delete SIM_DESC argument.
2695 Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2697 * Makefile.in (SIM_OBJS): Add common modules.
2699 * interp.c (sim_set_callbacks): Also set SD callback.
2700 (set_endianness, xfer_*, swap_*): Delete.
2701 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2702 Change to functions using sim-endian macros.
2703 (control_c, sim_stop): Delete, use common version.
2704 (simulate): Convert into.
2705 (sim_engine_run): This function.
2706 (sim_resume): Delete.
2708 * interp.c (simulation): New variable - the simulator object.
2709 (sim_kind): Delete global - merged into simulation.
2710 (sim_load): Cleanup. Move PC assignment from here.
2711 (sim_create_inferior): To here.
2713 * sim-main.h: New file.
2714 * interp.c (sim-main.h): Include.
2716 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2718 * configure: Regenerated to track ../common/aclocal.m4 changes.
2720 Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2722 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2724 Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2726 * gencode.c (build_instruction): DIV instructions: check
2727 for division by zero and integer overflow before using
2728 host's division operation.
2730 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2732 * Makefile.in (SIM_OBJS): Add sim-load.o.
2733 * interp.c: #include bfd.h.
2734 (target_byte_order): Delete.
2735 (sim_kind, myname, big_endian_p): New static locals.
2736 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2737 after argument parsing. Recognize -E arg, set endianness accordingly.
2738 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2739 load file into simulator. Set PC from bfd.
2740 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2741 (set_endianness): Use big_endian_p instead of target_byte_order.
2743 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2745 * interp.c (sim_size): Delete prototype - conflicts with
2746 definition in remote-sim.h. Correct definition.
2748 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2750 * configure: Regenerated to track ../common/aclocal.m4 changes.
2753 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2755 * interp.c (sim_open): New arg `kind'.
2757 * configure: Regenerated to track ../common/aclocal.m4 changes.
2759 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2761 * configure: Regenerated to track ../common/aclocal.m4 changes.
2763 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2765 * interp.c (sim_open): Set optind to 0 before calling getopt.
2767 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2769 * configure: Regenerated to track ../common/aclocal.m4 changes.
2771 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2773 * interp.c : Replace uses of pr_addr with pr_uword64
2774 where the bit length is always 64 independent of SIM_ADDR.
2775 (pr_uword64) : added.
2777 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2779 * configure: Re-generate.
2781 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2783 * configure: Regenerate to track ../common/aclocal.m4 changes.
2785 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2787 * interp.c (sim_open): New SIM_DESC result. Argument is now
2789 (other sim_*): New SIM_DESC argument.
2791 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2793 * interp.c: Fix printing of addresses for non-64-bit targets.
2794 (pr_addr): Add function to print address based on size.
2796 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2798 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2800 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2802 * gencode.c (build_mips16_operands): Correct computation of base
2803 address for extended PC relative instruction.
2805 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2807 * interp.c (mips16_entry): Add support for floating point cases.
2808 (SignalException): Pass floating point cases to mips16_entry.
2809 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2811 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2813 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2814 and then set the state to fmt_uninterpreted.
2815 (COP_SW): Temporarily set the state to fmt_word while calling
2818 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2820 * gencode.c (build_instruction): The high order may be set in the
2821 comparison flags at any ISA level, not just ISA 4.
2823 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2825 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2826 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2827 * configure.in: sinclude ../common/aclocal.m4.
2828 * configure: Regenerated.
2830 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2832 * configure: Rebuild after change to aclocal.m4.
2834 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2836 * configure configure.in Makefile.in: Update to new configure
2837 scheme which is more compatible with WinGDB builds.
2838 * configure.in: Improve comment on how to run autoconf.
2839 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2840 * Makefile.in: Use autoconf substitution to install common
2843 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2845 * gencode.c (build_instruction): Use BigEndianCPU instead of
2848 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2850 * interp.c (sim_monitor): Make output to stdout visible in
2851 wingdb's I/O log window.
2853 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2855 * support.h: Undo previous change to SIGTRAP
2858 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2860 * interp.c (store_word, load_word): New static functions.
2861 (mips16_entry): New static function.
2862 (SignalException): Look for mips16 entry and exit instructions.
2863 (simulate): Use the correct index when setting fpr_state after
2864 doing a pending move.
2866 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2868 * interp.c: Fix byte-swapping code throughout to work on
2869 both little- and big-endian hosts.
2871 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2873 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2874 with gdb/config/i386/xm-windows.h.
2876 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2878 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2879 that messes up arithmetic shifts.
2881 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2883 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2884 SIGTRAP and SIGQUIT for _WIN32.
2886 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2888 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2889 force a 64 bit multiplication.
2890 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2891 destination register is 0, since that is the default mips16 nop
2894 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2896 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2897 (build_endian_shift): Don't check proc64.
2898 (build_instruction): Always set memval to uword64. Cast op2 to
2899 uword64 when shifting it left in memory instructions. Always use
2900 the same code for stores--don't special case proc64.
2902 * gencode.c (build_mips16_operands): Fix base PC value for PC
2904 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2906 * interp.c (simJALDELAYSLOT): Define.
2907 (JALDELAYSLOT): Define.
2908 (INDELAYSLOT, INJALDELAYSLOT): Define.
2909 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2911 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2913 * interp.c (sim_open): add flush_cache as a PMON routine
2914 (sim_monitor): handle flush_cache by ignoring it
2916 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2918 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2920 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2921 (BigEndianMem): Rename to ByteSwapMem and change sense.
2922 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2923 BigEndianMem references to !ByteSwapMem.
2924 (set_endianness): New function, with prototype.
2925 (sim_open): Call set_endianness.
2926 (sim_info): Use simBE instead of BigEndianMem.
2927 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2928 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2929 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2930 ifdefs, keeping the prototype declaration.
2931 (swap_word): Rewrite correctly.
2932 (ColdReset): Delete references to CONFIG. Delete endianness related
2933 code; moved to set_endianness.
2935 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2937 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2938 * interp.c (CHECKHILO): Define away.
2939 (simSIGINT): New macro.
2940 (membank_size): Increase from 1MB to 2MB.
2941 (control_c): New function.
2942 (sim_resume): Rename parameter signal to signal_number. Add local
2943 variable prev. Call signal before and after simulate.
2944 (sim_stop_reason): Add simSIGINT support.
2945 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2947 (sim_warning): Delete call to SignalException. Do call printf_filtered
2949 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2950 a call to sim_warning.
2952 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2954 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2955 16 bit instructions.
2957 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2959 Add support for mips16 (16 bit MIPS implementation):
2960 * gencode.c (inst_type): Add mips16 instruction encoding types.
2961 (GETDATASIZEINSN): Define.
2962 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2963 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2965 (MIPS16_DECODE): New table, for mips16 instructions.
2966 (bitmap_val): New static function.
2967 (struct mips16_op): Define.
2968 (mips16_op_table): New table, for mips16 operands.
2969 (build_mips16_operands): New static function.
2970 (process_instructions): If PC is odd, decode a mips16
2971 instruction. Break out instruction handling into new
2972 build_instruction function.
2973 (build_instruction): New static function, broken out of
2974 process_instructions. Check modifiers rather than flags for SHIFT
2975 bit count and m[ft]{hi,lo} direction.
2976 (usage): Pass program name to fprintf.
2977 (main): Remove unused variable this_option_optind. Change
2978 ``*loptarg++'' to ``loptarg++''.
2979 (my_strtoul): Parenthesize && within ||.
2980 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2981 (simulate): If PC is odd, fetch a 16 bit instruction, and
2982 increment PC by 2 rather than 4.
2983 * configure.in: Add case for mips16*-*-*.
2984 * configure: Rebuild.
2986 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2988 * interp.c: Allow -t to enable tracing in standalone simulator.
2989 Fix garbage output in trace file and error messages.
2991 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2993 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2994 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2995 * configure.in: Simplify using macros in ../common/aclocal.m4.
2996 * configure: Regenerated.
2997 * tconfig.in: New file.
2999 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3001 * interp.c: Fix bugs in 64-bit port.
3002 Use ansi function declarations for msvc compiler.
3003 Initialize and test file pointer in trace code.
3004 Prevent duplicate definition of LAST_EMED_REGNUM.
3006 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3008 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3010 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3012 * interp.c (SignalException): Check for explicit terminating
3014 * gencode.c: Pass instruction value through SignalException()
3015 calls for Trap, Breakpoint and Syscall.
3017 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3019 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3020 only used on those hosts that provide it.
3021 * configure.in: Add sqrt() to list of functions to be checked for.
3022 * config.in: Re-generated.
3023 * configure: Re-generated.
3025 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3027 * gencode.c (process_instructions): Call build_endian_shift when
3028 expanding STORE RIGHT, to fix swr.
3029 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3030 clear the high bits.
3031 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3032 Fix float to int conversions to produce signed values.
3034 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3036 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3037 (process_instructions): Correct handling of nor instruction.
3038 Correct shift count for 32 bit shift instructions. Correct sign
3039 extension for arithmetic shifts to not shift the number of bits in
3040 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3041 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3043 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3044 It's OK to have a mult follow a mult. What's not OK is to have a
3045 mult follow an mfhi.
3046 (Convert): Comment out incorrect rounding code.
3048 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3050 * interp.c (sim_monitor): Improved monitor printf
3051 simulation. Tidied up simulator warnings, and added "--log" option
3052 for directing warning message output.
3053 * gencode.c: Use sim_warning() rather than WARNING macro.
3055 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3057 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3058 getopt1.o, rather than on gencode.c. Link objects together.
3059 Don't link against -liberty.
3060 (gencode.o, getopt.o, getopt1.o): New targets.
3061 * gencode.c: Include <ctype.h> and "ansidecl.h".
3062 (AND): Undefine after including "ansidecl.h".
3063 (ULONG_MAX): Define if not defined.
3064 (OP_*): Don't define macros; now defined in opcode/mips.h.
3065 (main): Call my_strtoul rather than strtoul.
3066 (my_strtoul): New static function.
3068 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3070 * gencode.c (process_instructions): Generate word64 and uword64
3071 instead of `long long' and `unsigned long long' data types.
3072 * interp.c: #include sysdep.h to get signals, and define default
3074 * (Convert): Work around for Visual-C++ compiler bug with type
3076 * support.h: Make things compile under Visual-C++ by using
3077 __int64 instead of `long long'. Change many refs to long long
3078 into word64/uword64 typedefs.
3080 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3082 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3083 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3085 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3086 (AC_PROG_INSTALL): Added.
3087 (AC_PROG_CC): Moved to before configure.host call.
3088 * configure: Rebuilt.
3090 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3092 * configure.in: Define @SIMCONF@ depending on mips target.
3093 * configure: Rebuild.
3094 * Makefile.in (run): Add @SIMCONF@ to control simulator
3096 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3097 * interp.c: Remove some debugging, provide more detailed error
3098 messages, update memory accesses to use LOADDRMASK.
3100 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3102 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3103 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3105 * configure: Rebuild.
3106 * config.in: New file, generated by autoheader.
3107 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3108 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3109 HAVE_ANINT and HAVE_AINT, as appropriate.
3110 * Makefile.in (run): Use @LIBS@ rather than -lm.
3111 (interp.o): Depend upon config.h.
3112 (Makefile): Just rebuild Makefile.
3113 (clean): Remove stamp-h.
3114 (mostlyclean): Make the same as clean, not as distclean.
3115 (config.h, stamp-h): New targets.
3117 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3119 * interp.c (ColdReset): Fix boolean test. Make all simulator
3122 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3124 * interp.c (xfer_direct_word, xfer_direct_long,
3125 swap_direct_word, swap_direct_long, xfer_big_word,
3126 xfer_big_long, xfer_little_word, xfer_little_long,
3127 swap_word,swap_long): Added.
3128 * interp.c (ColdReset): Provide function indirection to
3129 host<->simulated_target transfer routines.
3130 * interp.c (sim_store_register, sim_fetch_register): Updated to
3131 make use of indirected transfer routines.
3133 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3135 * gencode.c (process_instructions): Ensure FP ABS instruction
3137 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3138 system call support.
3140 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3142 * interp.c (sim_do_command): Complain if callback structure not
3145 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3147 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3148 support for Sun hosts.
3149 * Makefile.in (gencode): Ensure the host compiler and libraries
3150 used for cross-hosted build.
3152 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3154 * interp.c, gencode.c: Some more (TODO) tidying.
3156 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3158 * gencode.c, interp.c: Replaced explicit long long references with
3159 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3160 * support.h (SET64LO, SET64HI): Macros added.
3162 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3164 * configure: Regenerate with autoconf 2.7.
3166 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3168 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3169 * support.h: Remove superfluous "1" from #if.
3170 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3172 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3174 * interp.c (StoreFPR): Control UndefinedResult() call on
3175 WARN_RESULT manifest.
3177 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3179 * gencode.c: Tidied instruction decoding, and added FP instruction
3182 * interp.c: Added dineroIII, and BSD profiling support. Also
3183 run-time FP handling.
3185 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3187 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3188 gencode.c, interp.c, support.h: created.