1 2006-04-18 Nick Clifton <nickc@redhat.com>
3 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
6 2006-03-29 Hans-Peter Nilsson <hp@axis.com>
8 * configure: Regenerate.
10 2005-12-14 Chao-ying Fu <fu@mips.com>
12 * Makefile.in (SIM_OBJS): Add dsp.o.
13 (dsp.o): New dependency.
14 (IGEN_INCLUDE): Add dsp.igen.
15 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
16 mipsisa64*-*-*): Add dsp to sim_igen_machine.
17 * configure: Regenerate.
18 * mips.igen: Add dsp model and include dsp.igen.
19 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
20 because these instructions are extended in DSP ASE.
21 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
22 adding 6 DSP accumulator registers and 1 DSP control register.
23 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
24 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
25 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
26 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
27 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
28 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
29 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
30 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
31 DSPCR_CCOND_SMASK): New define.
32 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
33 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
35 2005-07-08 Ian Lance Taylor <ian@airs.com>
37 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
39 2005-06-16 David Ung <davidu@mips.com>
40 Nigel Stephens <nigel@mips.com>
42 * mips.igen: New mips16e model and include m16e.igen.
43 (check_u64): Add mips16e tag.
44 * m16e.igen: New file for MIPS16e instructions.
45 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
46 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
48 * configure: Regenerate.
50 2005-05-26 David Ung <davidu@mips.com>
52 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
53 tags to all instructions which are applicable to the new ISAs.
54 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
56 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
58 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
60 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
61 * configure: Regenerate.
63 2005-03-23 Mark Kettenis <kettenis@gnu.org>
65 * configure: Regenerate.
67 2005-01-14 Andrew Cagney <cagney@gnu.org>
69 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
70 explicit call to AC_CONFIG_HEADER.
71 * configure: Regenerate.
73 2005-01-12 Andrew Cagney <cagney@gnu.org>
75 * configure.ac: Update to use ../common/common.m4.
76 * configure: Re-generate.
78 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
80 * configure: Regenerated to track ../common/aclocal.m4 changes.
82 2005-01-07 Andrew Cagney <cagney@gnu.org>
84 * configure.ac: Rename configure.in, require autoconf 2.59.
85 * configure: Re-generate.
87 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
89 * configure: Regenerate for ../common/aclocal.m4 update.
91 2004-09-24 Monika Chaddha <monika@acmet.com>
93 Committed by Andrew Cagney.
94 * m16.igen (CMP, CMPI): Fix assembler.
96 2004-08-18 Chris Demetriou <cgd@broadcom.com>
98 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
99 * configure: Regenerate.
101 2004-06-25 Chris Demetriou <cgd@broadcom.com>
103 * configure.in (sim_m16_machine): Include mipsIII.
104 * configure: Regenerate.
106 2004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
108 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
110 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
112 2004-04-10 Chris Demetriou <cgd@broadcom.com>
114 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
116 2004-04-09 Chris Demetriou <cgd@broadcom.com>
118 * mips.igen (check_fmt): Remove.
119 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
120 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
121 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
122 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
123 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
124 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
125 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
126 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
127 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
128 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
130 2004-04-09 Chris Demetriou <cgd@broadcom.com>
132 * sb1.igen (check_sbx): New function.
133 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
135 2004-03-29 Chris Demetriou <cgd@broadcom.com>
136 Richard Sandiford <rsandifo@redhat.com>
138 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
139 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
140 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
141 separate implementations for mipsIV and mipsV. Use new macros to
142 determine whether the restrictions apply.
144 2004-01-19 Chris Demetriou <cgd@broadcom.com>
146 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
147 (check_mult_hilo): Improve comments.
148 (check_div_hilo): Likewise. Also, fork off a new version
149 to handle mips32/mips64 (since there are no hazards to check
152 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
154 * mips.igen (do_dmultx): Fix check for negative operands.
156 2003-05-16 Ian Lance Taylor <ian@airs.com>
158 * Makefile.in (SHELL): Make sure this is defined.
159 (various): Use $(SHELL) whenever we invoke move-if-change.
161 2003-05-03 Chris Demetriou <cgd@broadcom.com>
163 * cp1.c: Tweak attribution slightly.
166 * mdmx.igen: Likewise.
167 * mips3d.igen: Likewise.
168 * sb1.igen: Likewise.
170 2003-04-15 Richard Sandiford <rsandifo@redhat.com>
172 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
175 2003-02-27 Andrew Cagney <cagney@redhat.com>
177 * interp.c (sim_open): Rename _bfd to bfd.
178 (sim_create_inferior): Ditto.
180 2003-01-14 Chris Demetriou <cgd@broadcom.com>
182 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
184 2003-01-14 Chris Demetriou <cgd@broadcom.com>
186 * mips.igen (EI, DI): Remove.
188 2003-01-05 Richard Sandiford <rsandifo@redhat.com>
190 * Makefile.in (tmp-run-multi): Fix mips16 filter.
192 2003-01-04 Richard Sandiford <rsandifo@redhat.com>
193 Andrew Cagney <ac131313@redhat.com>
194 Gavin Romig-Koch <gavin@redhat.com>
195 Graydon Hoare <graydon@redhat.com>
196 Aldy Hernandez <aldyh@redhat.com>
197 Dave Brolley <brolley@redhat.com>
198 Chris Demetriou <cgd@broadcom.com>
200 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
201 (sim_mach_default): New variable.
202 (mips64vr-*-*, mips64vrel-*-*): New configurations.
203 Add a new simulator generator, MULTI.
204 * configure: Regenerate.
205 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
206 (multi-run.o): New dependency.
207 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
208 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
209 (tmp-multi): Combine them.
210 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
211 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
212 (distclean-extra): New rule.
213 * sim-main.h: Include bfd.h.
214 (MIPS_MACH): New macro.
215 * mips.igen (vr4120, vr5400, vr5500): New models.
216 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
217 * vr.igen: Replace with new version.
219 2003-01-04 Chris Demetriou <cgd@broadcom.com>
221 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
222 * configure: Regenerate.
224 2002-12-31 Chris Demetriou <cgd@broadcom.com>
226 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
227 * mips.igen: Remove all invocations of check_branch_bug and
230 2002-12-16 Chris Demetriou <cgd@broadcom.com>
232 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
234 2002-07-30 Chris Demetriou <cgd@broadcom.com>
236 * mips.igen (do_load_double, do_store_double): New functions.
237 (LDC1, SDC1): Rename to...
238 (LDC1b, SDC1b): respectively.
239 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
241 2002-07-29 Michael Snyder <msnyder@redhat.com>
243 * cp1.c (fp_recip2): Modify initialization expression so that
244 GCC will recognize it as constant.
246 2002-06-18 Chris Demetriou <cgd@broadcom.com>
248 * mdmx.c (SD_): Delete.
249 (Unpredictable): Re-define, for now, to directly invoke
250 unpredictable_action().
251 (mdmx_acc_op): Fix error in .ob immediate handling.
253 2002-06-18 Andrew Cagney <cagney@redhat.com>
255 * interp.c (sim_firmware_command): Initialize `address'.
257 2002-06-16 Andrew Cagney <ac131313@redhat.com>
259 * configure: Regenerated to track ../common/aclocal.m4 changes.
261 2002-06-14 Chris Demetriou <cgd@broadcom.com>
262 Ed Satterthwaite <ehs@broadcom.com>
264 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
265 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
266 * mips.igen: Include mips3d.igen.
267 (mips3d): New model name for MIPS-3D ASE instructions.
268 (CVT.W.fmt): Don't use this instruction for word (source) format
270 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
271 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
272 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
273 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
274 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
275 (RSquareRoot1, RSquareRoot2): New macros.
276 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
277 (fp_rsqrt2): New functions.
278 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
279 * configure: Regenerate.
281 2002-06-13 Chris Demetriou <cgd@broadcom.com>
282 Ed Satterthwaite <ehs@broadcom.com>
284 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
285 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
286 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
287 (convert): Note that this function is not used for paired-single
289 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
290 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
291 (check_fmt_p): Enable paired-single support.
292 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
293 (PUU.PS): New instructions.
294 (CVT.S.fmt): Don't use this instruction for paired-single format
296 * sim-main.h (FP_formats): New value 'fmt_ps.'
297 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
298 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
300 2002-06-12 Chris Demetriou <cgd@broadcom.com>
302 * mips.igen: Fix formatting of function calls in
305 2002-06-12 Chris Demetriou <cgd@broadcom.com>
307 * mips.igen (MOVN, MOVZ): Trace result.
308 (TNEI): Print "tnei" as the opcode name in traces.
309 (CEIL.W): Add disassembly string for traces.
310 (RSQRT.fmt): Make location of disassembly string consistent
311 with other instructions.
313 2002-06-12 Chris Demetriou <cgd@broadcom.com>
315 * mips.igen (X): Delete unused function.
317 2002-06-08 Andrew Cagney <cagney@redhat.com>
319 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
321 2002-06-07 Chris Demetriou <cgd@broadcom.com>
322 Ed Satterthwaite <ehs@broadcom.com>
324 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
325 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
326 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
327 (fp_nmsub): New prototypes.
328 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
329 (NegMultiplySub): New defines.
330 * mips.igen (RSQRT.fmt): Use RSquareRoot().
331 (MADD.D, MADD.S): Replace with...
332 (MADD.fmt): New instruction.
333 (MSUB.D, MSUB.S): Replace with...
334 (MSUB.fmt): New instruction.
335 (NMADD.D, NMADD.S): Replace with...
336 (NMADD.fmt): New instruction.
337 (NMSUB.D, MSUB.S): Replace with...
338 (NMSUB.fmt): New instruction.
340 2002-06-07 Chris Demetriou <cgd@broadcom.com>
341 Ed Satterthwaite <ehs@broadcom.com>
343 * cp1.c: Fix more comment spelling and formatting.
344 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
345 (denorm_mode): New function.
346 (fpu_unary, fpu_binary): Round results after operation, collect
347 status from rounding operations, and update the FCSR.
348 (convert): Collect status from integer conversions and rounding
349 operations, and update the FCSR. Adjust NaN values that result
350 from conversions. Convert to use sim_io_eprintf rather than
351 fprintf, and remove some debugging code.
352 * cp1.h (fenr_FS): New define.
354 2002-06-07 Chris Demetriou <cgd@broadcom.com>
356 * cp1.c (convert): Remove unusable debugging code, and move MIPS
357 rounding mode to sim FP rounding mode flag conversion code into...
358 (rounding_mode): New function.
360 2002-06-07 Chris Demetriou <cgd@broadcom.com>
362 * cp1.c: Clean up formatting of a few comments.
363 (value_fpr): Reformat switch statement.
365 2002-06-06 Chris Demetriou <cgd@broadcom.com>
366 Ed Satterthwaite <ehs@broadcom.com>
369 * sim-main.h: Include cp1.h.
370 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
371 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
372 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
373 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
374 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
375 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
376 * cp1.c: Don't include sim-fpu.h; already included by
377 sim-main.h. Clean up formatting of some comments.
378 (NaN, Equal, Less): Remove.
379 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
380 (fp_cmp): New functions.
381 * mips.igen (do_c_cond_fmt): Remove.
382 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
383 Compare. Add result tracing.
384 (CxC1): Remove, replace with...
385 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
386 (DMxC1): Remove, replace with...
387 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
388 (MxC1): Remove, replace with...
389 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
391 2002-06-04 Chris Demetriou <cgd@broadcom.com>
393 * sim-main.h (FGRIDX): Remove, replace all uses with...
394 (FGR_BASE): New macro.
395 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
396 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
397 (NR_FGR, FGR): Likewise.
398 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
399 * mips.igen: Likewise.
401 2002-06-04 Chris Demetriou <cgd@broadcom.com>
403 * cp1.c: Add an FSF Copyright notice to this file.
405 2002-06-04 Chris Demetriou <cgd@broadcom.com>
406 Ed Satterthwaite <ehs@broadcom.com>
408 * cp1.c (Infinity): Remove.
409 * sim-main.h (Infinity): Likewise.
411 * cp1.c (fp_unary, fp_binary): New functions.
412 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
413 (fp_sqrt): New functions, implemented in terms of the above.
414 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
415 (Recip, SquareRoot): Remove (replaced by functions above).
416 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
417 (fp_recip, fp_sqrt): New prototypes.
418 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
419 (Recip, SquareRoot): Replace prototypes with #defines which
420 invoke the functions above.
422 2002-06-03 Chris Demetriou <cgd@broadcom.com>
424 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
425 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
426 file, remove PARAMS from prototypes.
427 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
428 simulator state arguments.
429 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
430 pass simulator state arguments.
431 * cp1.c (SD): Redefine as CPU_STATE(cpu).
432 (store_fpr, convert): Remove 'sd' argument.
433 (value_fpr): Likewise. Convert to use 'SD' instead.
435 2002-06-03 Chris Demetriou <cgd@broadcom.com>
437 * cp1.c (Min, Max): Remove #if 0'd functions.
438 * sim-main.h (Min, Max): Remove.
440 2002-06-03 Chris Demetriou <cgd@broadcom.com>
442 * cp1.c: fix formatting of switch case and default labels.
443 * interp.c: Likewise.
444 * sim-main.c: Likewise.
446 2002-06-03 Chris Demetriou <cgd@broadcom.com>
448 * cp1.c: Clean up comments which describe FP formats.
449 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
451 2002-06-03 Chris Demetriou <cgd@broadcom.com>
452 Ed Satterthwaite <ehs@broadcom.com>
454 * configure.in (mipsisa64sb1*-*-*): New target for supporting
455 Broadcom SiByte SB-1 processor configurations.
456 * configure: Regenerate.
457 * sb1.igen: New file.
458 * mips.igen: Include sb1.igen.
460 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
461 * mdmx.igen: Add "sb1" model to all appropriate functions and
463 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
464 (ob_func, ob_acc): Reference the above.
465 (qh_acc): Adjust to keep the same size as ob_acc.
466 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
467 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
469 2002-06-03 Chris Demetriou <cgd@broadcom.com>
471 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
473 2002-06-02 Chris Demetriou <cgd@broadcom.com>
474 Ed Satterthwaite <ehs@broadcom.com>
476 * mips.igen (mdmx): New (pseudo-)model.
477 * mdmx.c, mdmx.igen: New files.
478 * Makefile.in (SIM_OBJS): Add mdmx.o.
479 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
481 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
482 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
483 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
484 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
485 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
486 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
487 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
488 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
489 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
490 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
491 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
492 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
493 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
494 (qh_fmtsel): New macros.
495 (_sim_cpu): New member "acc".
496 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
497 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
499 2002-05-01 Chris Demetriou <cgd@broadcom.com>
501 * interp.c: Use 'deprecated' rather than 'depreciated.'
502 * sim-main.h: Likewise.
504 2002-05-01 Chris Demetriou <cgd@broadcom.com>
506 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
507 which wouldn't compile anyway.
508 * sim-main.h (unpredictable_action): New function prototype.
509 (Unpredictable): Define to call igen function unpredictable().
510 (NotWordValue): New macro to call igen function not_word_value().
511 (UndefinedResult): Remove.
512 * interp.c (undefined_result): Remove.
513 (unpredictable_action): New function.
514 * mips.igen (not_word_value, unpredictable): New functions.
515 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
516 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
517 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
518 NotWordValue() to check for unpredictable inputs, then
519 Unpredictable() to handle them.
521 2002-02-24 Chris Demetriou <cgd@broadcom.com>
523 * mips.igen: Fix formatting of calls to Unpredictable().
525 2002-04-20 Andrew Cagney <ac131313@redhat.com>
527 * interp.c (sim_open): Revert previous change.
529 2002-04-18 Alexandre Oliva <aoliva@redhat.com>
531 * interp.c (sim_open): Disable chunk of code that wrote code in
532 vector table entries.
534 2002-03-19 Chris Demetriou <cgd@broadcom.com>
536 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
537 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
540 2002-03-19 Chris Demetriou <cgd@broadcom.com>
542 * cp1.c: Fix many formatting issues.
544 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
546 * cp1.c (fpu_format_name): New function to replace...
547 (DOFMT): This. Delete, and update all callers.
548 (fpu_rounding_mode_name): New function to replace...
549 (RMMODE): This. Delete, and update all callers.
551 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
553 * interp.c: Move FPU support routines from here to...
554 * cp1.c: Here. New file.
555 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
558 2002-03-12 Chris Demetriou <cgd@broadcom.com>
560 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
561 * mips.igen (mips32, mips64): New models, add to all instructions
562 and functions as appropriate.
563 (loadstore_ea, check_u64): New variant for model mips64.
564 (check_fmt_p): New variant for models mipsV and mips64, remove
565 mipsV model marking fro other variant.
568 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
569 for mips32 and mips64.
570 (DCLO, DCLZ): New instructions for mips64.
572 2002-03-07 Chris Demetriou <cgd@broadcom.com>
574 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
575 immediate or code as a hex value with the "%#lx" format.
576 (ANDI): Likewise, and fix printed instruction name.
578 2002-03-05 Chris Demetriou <cgd@broadcom.com>
580 * sim-main.h (UndefinedResult, Unpredictable): New macros
581 which currently do nothing.
583 2002-03-05 Chris Demetriou <cgd@broadcom.com>
585 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
586 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
587 (status_CU3): New definitions.
589 * sim-main.h (ExceptionCause): Add new values for MIPS32
590 and MIPS64: MDMX, MCheck, CacheErr. Update comments
591 for DebugBreakPoint and NMIReset to note their status in
593 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
594 (SignalExceptionCacheErr): New exception macros.
596 2002-03-05 Chris Demetriou <cgd@broadcom.com>
598 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
599 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
601 (SignalExceptionCoProcessorUnusable): Take as argument the
602 unusable coprocessor number.
604 2002-03-05 Chris Demetriou <cgd@broadcom.com>
606 * mips.igen: Fix formatting of all SignalException calls.
608 2002-03-05 Chris Demetriou <cgd@broadcom.com>
610 * sim-main.h (SIGNEXTEND): Remove.
612 2002-03-04 Chris Demetriou <cgd@broadcom.com>
614 * mips.igen: Remove gencode comment from top of file, fix
615 spelling in another comment.
617 2002-03-04 Chris Demetriou <cgd@broadcom.com>
619 * mips.igen (check_fmt, check_fmt_p): New functions to check
620 whether specific floating point formats are usable.
621 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
622 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
623 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
624 Use the new functions.
625 (do_c_cond_fmt): Remove format checks...
626 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
628 2002-03-03 Chris Demetriou <cgd@broadcom.com>
630 * mips.igen: Fix formatting of check_fpu calls.
632 2002-03-03 Chris Demetriou <cgd@broadcom.com>
634 * mips.igen (FLOOR.L.fmt): Store correct destination register.
636 2002-03-03 Chris Demetriou <cgd@broadcom.com>
638 * mips.igen: Remove whitespace at end of lines.
640 2002-03-02 Chris Demetriou <cgd@broadcom.com>
642 * mips.igen (loadstore_ea): New function to do effective
643 address calculations.
644 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
645 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
646 CACHE): Use loadstore_ea to do effective address computations.
648 2002-03-02 Chris Demetriou <cgd@broadcom.com>
650 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
651 * mips.igen (LL, CxC1, MxC1): Likewise.
653 2002-03-02 Chris Demetriou <cgd@broadcom.com>
655 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
656 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
657 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
658 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
659 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
660 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
661 Don't split opcode fields by hand, use the opcode field values
664 2002-03-01 Chris Demetriou <cgd@broadcom.com>
666 * mips.igen (do_divu): Fix spacing.
668 * mips.igen (do_dsllv): Move to be right before DSLLV,
669 to match the rest of the do_<shift> functions.
671 2002-03-01 Chris Demetriou <cgd@broadcom.com>
673 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
674 DSRL32, do_dsrlv): Trace inputs and results.
676 2002-03-01 Chris Demetriou <cgd@broadcom.com>
678 * mips.igen (CACHE): Provide instruction-printing string.
680 * interp.c (signal_exception): Comment tokens after #endif.
682 2002-02-28 Chris Demetriou <cgd@broadcom.com>
684 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
685 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
686 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
687 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
688 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
689 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
690 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
691 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
693 2002-02-28 Chris Demetriou <cgd@broadcom.com>
695 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
696 instruction-printing string.
697 (LWU): Use '64' as the filter flag.
699 2002-02-28 Chris Demetriou <cgd@broadcom.com>
701 * mips.igen (SDXC1): Fix instruction-printing string.
703 2002-02-28 Chris Demetriou <cgd@broadcom.com>
705 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
708 2002-02-27 Chris Demetriou <cgd@broadcom.com>
710 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
713 2002-02-27 Chris Demetriou <cgd@broadcom.com>
715 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
716 add a comma) so that it more closely match the MIPS ISA
717 documentation opcode partitioning.
718 (PREF): Put useful names on opcode fields, and include
719 instruction-printing string.
721 2002-02-27 Chris Demetriou <cgd@broadcom.com>
723 * mips.igen (check_u64): New function which in the future will
724 check whether 64-bit instructions are usable and signal an
725 exception if not. Currently a no-op.
726 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
727 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
728 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
729 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
731 * mips.igen (check_fpu): New function which in the future will
732 check whether FPU instructions are usable and signal an exception
733 if not. Currently a no-op.
734 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
735 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
736 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
737 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
738 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
739 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
740 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
741 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
743 2002-02-27 Chris Demetriou <cgd@broadcom.com>
745 * mips.igen (do_load_left, do_load_right): Move to be immediately
747 (do_store_left, do_store_right): Move to be immediately following
750 2002-02-27 Chris Demetriou <cgd@broadcom.com>
752 * mips.igen (mipsV): New model name. Also, add it to
753 all instructions and functions where it is appropriate.
755 2002-02-18 Chris Demetriou <cgd@broadcom.com>
757 * mips.igen: For all functions and instructions, list model
758 names that support that instruction one per line.
760 2002-02-11 Chris Demetriou <cgd@broadcom.com>
762 * mips.igen: Add some additional comments about supported
763 models, and about which instructions go where.
764 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
765 order as is used in the rest of the file.
767 2002-02-11 Chris Demetriou <cgd@broadcom.com>
769 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
770 indicating that ALU32_END or ALU64_END are there to check
772 (DADD): Likewise, but also remove previous comment about
775 2002-02-10 Chris Demetriou <cgd@broadcom.com>
777 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
778 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
779 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
780 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
781 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
782 fields (i.e., add and move commas) so that they more closely
783 match the MIPS ISA documentation opcode partitioning.
785 2002-02-10 Chris Demetriou <cgd@broadcom.com>
787 * mips.igen (ADDI): Print immediate value.
789 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
790 (SLL): Print "nop" specially, and don't run the code
791 that does the shift for the "nop" case.
793 2001-11-17 Fred Fish <fnf@redhat.com>
795 * sim-main.h (float_operation): Move enum declaration outside
796 of _sim_cpu struct declaration.
798 2001-04-12 Jim Blandy <jimb@redhat.com>
800 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
801 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
803 * sim-main.h (COCIDX): Remove definition; this isn't supported by
804 PENDING_FILL, and you can get the intended effect gracefully by
805 calling PENDING_SCHED directly.
807 2001-02-23 Ben Elliston <bje@redhat.com>
809 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
810 already defined elsewhere.
812 2001-02-19 Ben Elliston <bje@redhat.com>
814 * sim-main.h (sim_monitor): Return an int.
815 * interp.c (sim_monitor): Add return values.
816 (signal_exception): Handle error conditions from sim_monitor.
818 2001-02-08 Ben Elliston <bje@redhat.com>
820 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
821 (store_memory): Likewise, pass cia to sim_core_write*.
823 2000-10-19 Frank Ch. Eigler <fche@redhat.com>
825 On advice from Chris G. Demetriou <cgd@sibyte.com>:
826 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
828 Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
830 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
831 * Makefile.in: Don't delete *.igen when cleaning directory.
833 Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
835 * m16.igen (break): Call SignalException not sim_engine_halt.
837 Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
840 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
842 Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
844 * mips.igen (MxC1, DMxC1): Fix printf formatting.
846 2000-05-24 Michael Hayes <mhayes@cygnus.com>
848 * mips.igen (do_dmultx): Fix typo.
850 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
852 * configure: Regenerated to track ../common/aclocal.m4 changes.
854 Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
856 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
858 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
860 * sim-main.h (GPR_CLEAR): Define macro.
862 Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
864 * interp.c (decode_coproc): Output long using %lx and not %s.
866 2000-03-21 Frank Ch. Eigler <fche@redhat.com>
868 * interp.c (sim_open): Sort & extend dummy memory regions for
869 --board=jmr3904 for eCos.
871 2000-03-02 Frank Ch. Eigler <fche@redhat.com>
873 * configure: Regenerated.
875 Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
877 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
878 calls, conditional on the simulator being in verbose mode.
880 Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
882 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
883 cache don't get ReservedInstruction traps.
885 1999-11-29 Mark Salter <msalter@cygnus.com>
887 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
888 to clear status bits in sdisr register. This is how the hardware works.
890 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
891 being used by cygmon.
893 1999-11-11 Andrew Haley <aph@cygnus.com>
895 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
898 Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
900 * mips.igen (MULT): Correct previous mis-applied patch.
902 Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
904 * mips.igen (delayslot32): Handle sequence like
905 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
906 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
907 (MULT): Actually pass the third register...
909 1999-09-03 Mark Salter <msalter@cygnus.com>
911 * interp.c (sim_open): Added more memory aliases for additional
912 hardware being touched by cygmon on jmr3904 board.
914 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
916 * configure: Regenerated to track ../common/aclocal.m4 changes.
918 Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
920 * interp.c (sim_store_register): Handle case where client - GDB -
921 specifies that a 4 byte register is 8 bytes in size.
922 (sim_fetch_register): Ditto.
924 1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
926 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
927 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
928 (idt_monitor_base): Base address for IDT monitor traps.
929 (pmon_monitor_base): Ditto for PMON.
930 (lsipmon_monitor_base): Ditto for LSI PMON.
931 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
932 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
933 (sim_firmware_command): New function.
934 (mips_option_handler): Call it for OPTION_FIRMWARE.
935 (sim_open): Allocate memory for idt_monitor region. If "--board"
936 option was given, add no monitor by default. Add BREAK hooks only if
937 monitors are also there.
939 Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
941 * interp.c (sim_monitor): Flush output before reading input.
943 Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
945 * tconfig.in (SIM_HANDLES_LMA): Always define.
947 Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
949 From Mark Salter <msalter@cygnus.com>:
950 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
951 (sim_open): Add setup for BSP board.
953 Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
955 * mips.igen (MULT, MULTU): Add syntax for two operand version.
956 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
957 them as unimplemented.
959 1999-05-08 Felix Lee <flee@cygnus.com>
961 * configure: Regenerated to track ../common/aclocal.m4 changes.
963 1999-04-21 Frank Ch. Eigler <fche@cygnus.com>
965 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
967 Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
969 * configure.in: Any mips64vr5*-*-* target should have
970 -DTARGET_ENABLE_FR=1.
971 (default_endian): Any mips64vr*el-*-* target should default to
973 * configure: Re-generate.
975 1999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
977 * mips.igen (ldl): Extend from _16_, not 32.
979 Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
981 * interp.c (sim_store_register): Force registers written to by GDB
982 into an un-interpreted state.
984 1999-02-05 Frank Ch. Eigler <fche@cygnus.com>
986 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
987 CPU, start periodic background I/O polls.
988 (tx3904sio_poll): New function: periodic I/O poller.
990 1998-12-30 Frank Ch. Eigler <fche@cygnus.com>
992 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
994 Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
996 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
999 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
1001 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
1002 (load_word): Call SIM_CORE_SIGNAL hook on error.
1003 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1004 starting. For exception dispatching, pass PC instead of NULL_CIA.
1005 (decode_coproc): Use COP0_BADVADDR to store faulting address.
1006 * sim-main.h (COP0_BADVADDR): Define.
1007 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1008 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
1009 (_sim_cpu): Add exc_* fields to store register value snapshots.
1010 * mips.igen (*): Replace memory-related SignalException* calls
1011 with references to SIM_CORE_SIGNAL hook.
1013 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1015 * sim-main.c (*): Minor warning cleanups.
1017 1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1019 * m16.igen (DADDIU5): Correct type-o.
1021 Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1023 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1026 Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1028 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1030 (interp.o): Add dependency on itable.h
1031 (oengine.c, gencode): Delete remaining references.
1032 (BUILT_SRC_FROM_GEN): Clean up.
1034 1998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
1037 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1038 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1039 tmp-run-hack) : New.
1040 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
1041 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
1042 Drop the "64" qualifier to get the HACK generator working.
1043 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1044 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1045 qualifier to get the hack generator working.
1046 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1047 (DSLL): Use do_dsll.
1048 (DSLLV): Use do_dsllv.
1049 (DSRA): Use do_dsra.
1050 (DSRL): Use do_dsrl.
1051 (DSRLV): Use do_dsrlv.
1052 (BC1): Move *vr4100 to get the HACK generator working.
1053 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1054 get the HACK generator working.
1055 (MACC) Rename to get the HACK generator working.
1056 (DMACC,MACCS,DMACCS): Add the 64.
1058 1998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1060 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1061 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1063 1998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1065 * mips/interp.c (DEBUG): Cleanups.
1067 1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1069 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1070 (tx3904sio_tickle): fflush after a stdout character output.
1072 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1074 * interp.c (sim_close): Uninstall modules.
1076 Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1078 * sim-main.h, interp.c (sim_monitor): Change to global
1081 Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1083 * configure.in (vr4100): Only include vr4100 instructions in
1085 * configure: Re-generate.
1086 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1088 Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1090 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1091 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1094 * configure.in (sim_default_gen, sim_use_gen): Replace with
1096 (--enable-sim-igen): Delete config option. Always using IGEN.
1097 * configure: Re-generate.
1099 * Makefile.in (gencode): Kill, kill, kill.
1102 Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1104 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1105 bit mips16 igen simulator.
1106 * configure: Re-generate.
1108 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1109 as part of vr4100 ISA.
1110 * vr.igen: Mark all instructions as 64 bit only.
1112 Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1114 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1117 Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1119 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1120 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1121 * configure: Re-generate.
1123 * m16.igen (BREAK): Define breakpoint instruction.
1124 (JALX32): Mark instruction as mips16 and not r3900.
1125 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1127 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1129 Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1131 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1132 insn as a debug breakpoint.
1134 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1136 (PENDING_SCHED): Clean up trace statement.
1137 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1138 (PENDING_FILL): Delay write by only one cycle.
1139 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1141 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1143 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1145 (pending_tick): Move incrementing of index to FOR statement.
1146 (pending_tick): Only update PENDING_OUT after a write has occured.
1148 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1150 * configure: Re-generate.
1152 * interp.c (sim_engine_run OLD): Delete explicit call to
1153 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1155 Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1157 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1158 interrupt level number to match changed SignalExceptionInterrupt
1161 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1163 * interp.c: #include "itable.h" if WITH_IGEN.
1164 (get_insn_name): New function.
1165 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1166 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1168 Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1170 * configure: Rebuilt to inhale new common/aclocal.m4.
1172 Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1174 * dv-tx3904sio.c: Include sim-assert.h.
1176 Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1178 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1179 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1180 Reorganize target-specific sim-hardware checks.
1181 * configure: rebuilt.
1182 * interp.c (sim_open): For tx39 target boards, set
1183 OPERATING_ENVIRONMENT, add tx3904sio devices.
1184 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1185 ROM executables. Install dv-sockser into sim-modules list.
1187 * dv-tx3904irc.c: Compiler warning clean-up.
1188 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1189 frequent hw-trace messages.
1191 Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1193 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1195 Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1197 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1199 * vr.igen: New file.
1200 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1201 * mips.igen: Define vr4100 model. Include vr.igen.
1202 Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1204 * mips.igen (check_mf_hilo): Correct check.
1206 Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1208 * sim-main.h (interrupt_event): Add prototype.
1210 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1211 register_ptr, register_value.
1212 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1214 * sim-main.h (tracefh): Make extern.
1216 Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1218 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1219 Reduce unnecessarily high timer event frequency.
1220 * dv-tx3904cpu.c: Ditto for interrupt event.
1222 Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1224 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1226 (interrupt_event): Made non-static.
1228 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1229 interchange of configuration values for external vs. internal
1232 Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1234 * mips.igen (BREAK): Moved code to here for
1235 simulator-reserved break instructions.
1236 * gencode.c (build_instruction): Ditto.
1237 * interp.c (signal_exception): Code moved from here. Non-
1238 reserved instructions now use exception vector, rather
1240 * sim-main.h: Moved magic constants to here.
1242 Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1244 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1245 register upon non-zero interrupt event level, clear upon zero
1247 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1248 by passing zero event value.
1249 (*_io_{read,write}_buffer): Endianness fixes.
1250 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1251 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1253 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1254 serial I/O and timer module at base address 0xFFFF0000.
1256 Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1258 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1261 Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1263 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1265 * configure: Update.
1267 Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1269 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1270 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1271 * configure.in: Include tx3904tmr in hw_device list.
1272 * configure: Rebuilt.
1273 * interp.c (sim_open): Instantiate three timer instances.
1274 Fix address typo of tx3904irc instance.
1276 Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1278 * interp.c (signal_exception): SystemCall exception now uses
1279 the exception vector.
1281 Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1283 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1286 Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1288 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1290 Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1292 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1294 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1295 sim-main.h. Declare a struct hw_descriptor instead of struct
1296 hw_device_descriptor.
1298 Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1300 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1301 right bits and then re-align left hand bytes to correct byte
1302 lanes. Fix incorrect computation in do_store_left when loading
1303 bytes from second word.
1305 Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1307 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1308 * interp.c (sim_open): Only create a device tree when HW is
1311 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1312 * interp.c (signal_exception): Ditto.
1314 Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1316 * gencode.c: Mark BEGEZALL as LIKELY.
1318 Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1320 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1321 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1323 Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1325 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1326 modules. Recognize TX39 target with "mips*tx39" pattern.
1327 * configure: Rebuilt.
1328 * sim-main.h (*): Added many macros defining bits in
1329 TX39 control registers.
1330 (SignalInterrupt): Send actual PC instead of NULL.
1331 (SignalNMIReset): New exception type.
1332 * interp.c (board): New variable for future use to identify
1333 a particular board being simulated.
1334 (mips_option_handler,mips_options): Added "--board" option.
1335 (interrupt_event): Send actual PC.
1336 (sim_open): Make memory layout conditional on board setting.
1337 (signal_exception): Initial implementation of hardware interrupt
1338 handling. Accept another break instruction variant for simulator
1340 (decode_coproc): Implement RFE instruction for TX39.
1341 (mips.igen): Decode RFE instruction as such.
1342 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1343 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1344 bbegin to implement memory map.
1345 * dv-tx3904cpu.c: New file.
1346 * dv-tx3904irc.c: New file.
1348 Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1350 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1352 Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1354 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1355 with calls to check_div_hilo.
1357 Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1359 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1360 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1361 Add special r3900 version of do_mult_hilo.
1362 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1363 with calls to check_mult_hilo.
1364 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1365 with calls to check_div_hilo.
1367 Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1369 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1370 Document a replacement.
1372 Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1374 * interp.c (sim_monitor): Make mon_printf work.
1376 Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1378 * sim-main.h (INSN_NAME): New arg `cpu'.
1380 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1382 * configure: Regenerated to track ../common/aclocal.m4 changes.
1384 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1386 * configure: Regenerated to track ../common/aclocal.m4 changes.
1389 Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1391 * acconfig.h: New file.
1392 * configure.in: Reverted change of Apr 24; use sinclude again.
1394 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1396 * configure: Regenerated to track ../common/aclocal.m4 changes.
1399 Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1401 * configure.in: Don't call sinclude.
1403 Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1405 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1407 Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1409 * mips.igen (ERET): Implement.
1411 * interp.c (decode_coproc): Return sign-extended EPC.
1413 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1415 * interp.c (signal_exception): Do not ignore Trap.
1416 (signal_exception): On TRAP, restart at exception address.
1417 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1418 (signal_exception): Update.
1419 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1420 so that TRAP instructions are caught.
1422 Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1424 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1425 contains HI/LO access history.
1426 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1427 (HIACCESS, LOACCESS): Delete, replace with
1428 (HIHISTORY, LOHISTORY): New macros.
1429 (CHECKHILO): Delete all, moved to mips.igen
1431 * gencode.c (build_instruction): Do not generate checks for
1432 correct HI/LO register usage.
1434 * interp.c (old_engine_run): Delete checks for correct HI/LO
1437 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1438 check_mf_cycles): New functions.
1439 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1440 do_divu, domultx, do_mult, do_multu): Use.
1442 * tx.igen ("madd", "maddu"): Use.
1444 Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1446 * mips.igen (DSRAV): Use function do_dsrav.
1447 (SRAV): Use new function do_srav.
1449 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1450 (B): Sign extend 11 bit immediate.
1451 (EXT-B*): Shift 16 bit immediate left by 1.
1452 (ADDIU*): Don't sign extend immediate value.
1454 Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1456 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1458 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1461 * mips.igen (delayslot32, nullify_next_insn): New functions.
1462 (m16.igen): Always include.
1463 (do_*): Add more tracing.
1465 * m16.igen (delayslot16): Add NIA argument, could be called by a
1466 32 bit MIPS16 instruction.
1468 * interp.c (ifetch16): Move function from here.
1469 * sim-main.c (ifetch16): To here.
1471 * sim-main.c (ifetch16, ifetch32): Update to match current
1472 implementations of LH, LW.
1473 (signal_exception): Don't print out incorrect hex value of illegal
1476 Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1478 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1481 * m16.igen: Implement MIPS16 instructions.
1483 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1484 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1485 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1486 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1487 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1488 bodies of corresponding code from 32 bit insn to these. Also used
1489 by MIPS16 versions of functions.
1491 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1492 (IMEM16): Drop NR argument from macro.
1494 Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1496 * Makefile.in (SIM_OBJS): Add sim-main.o.
1498 * sim-main.h (address_translation, load_memory, store_memory,
1499 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1501 (pr_addr, pr_uword64): Declare.
1502 (sim-main.c): Include when H_REVEALS_MODULE_P.
1504 * interp.c (address_translation, load_memory, store_memory,
1505 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1507 * sim-main.c: To here. Fix compilation problems.
1509 * configure.in: Enable inlining.
1510 * configure: Re-config.
1512 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1514 * configure: Regenerated to track ../common/aclocal.m4 changes.
1516 Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1518 * mips.igen: Include tx.igen.
1519 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1520 * tx.igen: New file, contains MADD and MADDU.
1522 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1523 the hardwired constant `7'.
1524 (store_memory): Ditto.
1525 (LOADDRMASK): Move definition to sim-main.h.
1527 mips.igen (MTC0): Enable for r3900.
1530 mips.igen (do_load_byte): Delete.
1531 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1532 do_store_right): New functions.
1533 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1535 configure.in: Let the tx39 use igen again.
1538 Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1540 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1541 not an address sized quantity. Return zero for cache sizes.
1543 Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1545 * mips.igen (r3900): r3900 does not support 64 bit integer
1548 Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1550 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1552 * configure : Rebuild.
1554 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1556 * configure: Regenerated to track ../common/aclocal.m4 changes.
1558 Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1560 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1562 Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1564 * configure: Regenerated to track ../common/aclocal.m4 changes.
1565 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1567 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1569 * configure: Regenerated to track ../common/aclocal.m4 changes.
1571 Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1573 * interp.c (Max, Min): Comment out functions. Not yet used.
1575 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1577 * configure: Regenerated to track ../common/aclocal.m4 changes.
1579 Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1581 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1582 configurable settings for stand-alone simulator.
1584 * configure.in: Added X11 search, just in case.
1586 * configure: Regenerated.
1588 Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1590 * interp.c (sim_write, sim_read, load_memory, store_memory):
1591 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1593 Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1595 * sim-main.h (GETFCC): Return an unsigned value.
1597 Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1599 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1600 (DADD): Result destination is RD not RT.
1602 Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1604 * sim-main.h (HIACCESS, LOACCESS): Always define.
1606 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1608 * interp.c (sim_info): Delete.
1610 Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1612 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1613 (mips_option_handler): New argument `cpu'.
1614 (sim_open): Update call to sim_add_option_table.
1616 Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1618 * mips.igen (CxC1): Add tracing.
1620 Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1622 * sim-main.h (Max, Min): Declare.
1624 * interp.c (Max, Min): New functions.
1626 * mips.igen (BC1): Add tracing.
1628 Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1630 * interp.c Added memory map for stack in vr4100
1632 Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1634 * interp.c (load_memory): Add missing "break"'s.
1636 Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1638 * interp.c (sim_store_register, sim_fetch_register): Pass in
1639 length parameter. Return -1.
1641 Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1643 * interp.c: Added hardware init hook, fixed warnings.
1645 Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1647 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1649 Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1651 * interp.c (ifetch16): New function.
1653 * sim-main.h (IMEM32): Rename IMEM.
1654 (IMEM16_IMMED): Define.
1656 (DELAY_SLOT): Update.
1658 * m16run.c (sim_engine_run): New file.
1660 * m16.igen: All instructions except LB.
1661 (LB): Call do_load_byte.
1662 * mips.igen (do_load_byte): New function.
1663 (LB): Call do_load_byte.
1665 * mips.igen: Move spec for insn bit size and high bit from here.
1666 * Makefile.in (tmp-igen, tmp-m16): To here.
1668 * m16.dc: New file, decode mips16 instructions.
1670 * Makefile.in (SIM_NO_ALL): Define.
1671 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1673 Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1675 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1676 point unit to 32 bit registers.
1677 * configure: Re-generate.
1679 Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1681 * configure.in (sim_use_gen): Make IGEN the default simulator
1682 generator for generic 32 and 64 bit mips targets.
1683 * configure: Re-generate.
1685 Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1687 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1690 * interp.c (sim_fetch_register, sim_store_register): Read/write
1691 FGR from correct location.
1692 (sim_open): Set size of FGR's according to
1693 WITH_TARGET_FLOATING_POINT_BITSIZE.
1695 * sim-main.h (FGR): Store floating point registers in a separate
1698 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1700 * configure: Regenerated to track ../common/aclocal.m4 changes.
1702 Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1704 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1706 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1708 * interp.c (pending_tick): New function. Deliver pending writes.
1710 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1711 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1712 it can handle mixed sized quantites and single bits.
1714 Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1716 * interp.c (oengine.h): Do not include when building with IGEN.
1717 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1718 (sim_info): Ditto for PROCESSOR_64BIT.
1719 (sim_monitor): Replace ut_reg with unsigned_word.
1720 (*): Ditto for t_reg.
1721 (LOADDRMASK): Define.
1722 (sim_open): Remove defunct check that host FP is IEEE compliant,
1723 using software to emulate floating point.
1724 (value_fpr, ...): Always compile, was conditional on HASFPU.
1726 Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1728 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1731 * interp.c (SD, CPU): Define.
1732 (mips_option_handler): Set flags in each CPU.
1733 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1734 (sim_close): Do not clear STATE, deleted anyway.
1735 (sim_write, sim_read): Assume CPU zero's vm should be used for
1737 (sim_create_inferior): Set the PC for all processors.
1738 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1740 (mips16_entry): Pass correct nr of args to store_word, load_word.
1741 (ColdReset): Cold reset all cpu's.
1742 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1743 (sim_monitor, load_memory, store_memory, signal_exception): Use
1744 `CPU' instead of STATE_CPU.
1747 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1750 * sim-main.h (signal_exception): Add sim_cpu arg.
1751 (SignalException*): Pass both SD and CPU to signal_exception.
1752 * interp.c (signal_exception): Update.
1754 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1756 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1757 address_translation): Ditto
1758 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1760 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1762 * configure: Regenerated to track ../common/aclocal.m4 changes.
1764 Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1766 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1768 * mips.igen (model): Map processor names onto BFD name.
1770 * sim-main.h (CPU_CIA): Delete.
1771 (SET_CIA, GET_CIA): Define
1773 Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1775 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1778 * configure.in (default_endian): Configure a big-endian simulator
1780 * configure: Re-generate.
1782 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1784 * configure: Regenerated to track ../common/aclocal.m4 changes.
1786 Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1788 * interp.c (sim_monitor): Handle Densan monitor outbyte
1789 and inbyte functions.
1791 1997-12-29 Felix Lee <flee@cygnus.com>
1793 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1795 Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1797 * Makefile.in (tmp-igen): Arrange for $zero to always be
1798 reset to zero after every instruction.
1800 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1802 * configure: Regenerated to track ../common/aclocal.m4 changes.
1805 Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1807 * mips.igen (MSUB): Fix to work like MADD.
1808 * gencode.c (MSUB): Similarly.
1810 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1812 * configure: Regenerated to track ../common/aclocal.m4 changes.
1814 Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1816 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1818 Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1820 * sim-main.h (sim-fpu.h): Include.
1822 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1823 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1824 using host independant sim_fpu module.
1826 Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1828 * interp.c (signal_exception): Report internal errors with SIGABRT
1831 * sim-main.h (C0_CONFIG): New register.
1832 (signal.h): No longer include.
1834 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1836 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
1838 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
1840 Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1842 * mips.igen: Tag vr5000 instructions.
1843 (ANDI): Was missing mipsIV model, fix assembler syntax.
1844 (do_c_cond_fmt): New function.
1845 (C.cond.fmt): Handle mips I-III which do not support CC field
1847 (bc1): Handle mips IV which do not have a delaed FCC separatly.
1848 (SDR): Mask paddr when BigEndianMem, not the converse as specified
1850 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
1851 vr5000 which saves LO in a GPR separatly.
1853 * configure.in (enable-sim-igen): For vr5000, select vr5000
1854 specific instructions.
1855 * configure: Re-generate.
1857 Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
1859 * Makefile.in (SIM_OBJS): Add sim-fpu module.
1861 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
1862 fmt_uninterpreted_64 bit cases to switch. Convert to
1865 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
1867 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
1868 as specified in IV3.2 spec.
1869 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
1871 Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1873 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
1874 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
1875 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
1876 PENDING_FILL versions of instructions. Simplify.
1878 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
1880 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
1882 (MTHI, MFHI): Disable code checking HI-LO.
1884 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
1886 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
1888 Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
1890 * gencode.c (build_mips16_operands): Replace IPC with cia.
1892 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
1893 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
1895 (UndefinedResult): Replace function with macro/function
1897 (sim_engine_run): Don't save PC in IPC.
1899 * sim-main.h (IPC): Delete.
1902 * interp.c (signal_exception, store_word, load_word,
1903 address_translation, load_memory, store_memory, cache_op,
1904 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
1905 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
1906 current instruction address - cia - argument.
1907 (sim_read, sim_write): Call address_translation directly.
1908 (sim_engine_run): Rename variable vaddr to cia.
1909 (signal_exception): Pass cia to sim_monitor
1911 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
1912 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
1913 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
1915 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
1916 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
1919 * interp.c (signal_exception): Pass restart address to
1922 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
1923 idecode.o): Add dependency.
1925 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
1927 (DELAY_SLOT): Update NIA not PC with branch address.
1928 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
1930 * mips.igen: Use CIA not PC in branch calculations.
1931 (illegal): Call SignalException.
1932 (BEQ, ADDIU): Fix assembler.
1934 Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1936 * m16.igen (JALX): Was missing.
1938 * configure.in (enable-sim-igen): New configuration option.
1939 * configure: Re-generate.
1941 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
1943 * interp.c (load_memory, store_memory): Delete parameter RAW.
1944 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
1945 bypassing {load,store}_memory.
1947 * sim-main.h (ByteSwapMem): Delete definition.
1949 * Makefile.in (SIM_OBJS): Add sim-memopt module.
1951 * interp.c (sim_do_command, sim_commands): Delete mips specific
1952 commands. Handled by module sim-options.
1954 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
1955 (WITH_MODULO_MEMORY): Define.
1957 * interp.c (sim_info): Delete code printing memory size.
1959 * interp.c (mips_size): Nee sim_size, delete function.
1961 (monitor, monitor_base, monitor_size): Delete global variables.
1962 (sim_open, sim_close): Delete code creating monitor and other
1963 memory regions. Use sim-memopts module, via sim_do_commandf, to
1964 manage memory regions.
1965 (load_memory, store_memory): Use sim-core for memory model.
1967 * interp.c (address_translation): Delete all memory map code
1968 except line forcing 32 bit addresses.
1970 Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1972 * sim-main.h (WITH_TRACE): Delete definition. Enables common
1975 * interp.c (logfh, logfile): Delete globals.
1976 (sim_open, sim_close): Delete code opening & closing log file.
1977 (mips_option_handler): Delete -l and -n options.
1978 (OPTION mips_options): Ditto.
1980 * interp.c (OPTION mips_options): Rename option trace to dinero.
1981 (mips_option_handler): Update.
1983 Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1985 * interp.c (fetch_str): New function.
1986 (sim_monitor): Rewrite using sim_read & sim_write.
1987 (sim_open): Check magic number.
1988 (sim_open): Write monitor vectors into memory using sim_write.
1989 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
1990 (sim_read, sim_write): Simplify - transfer data one byte at a
1992 (load_memory, store_memory): Clarify meaning of parameter RAW.
1994 * sim-main.h (isHOST): Defete definition.
1995 (isTARGET): Mark as depreciated.
1996 (address_translation): Delete parameter HOST.
1998 * interp.c (address_translation): Delete parameter HOST.
2000 Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2004 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2005 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2007 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2009 * mips.igen: Add model filter field to records.
2011 Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2013 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
2015 interp.c (sim_engine_run): Do not compile function sim_engine_run
2016 when WITH_IGEN == 1.
2018 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2019 target architecture.
2021 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2022 igen. Replace with configuration variables sim_igen_flags /
2025 * m16.igen: New file. Copy mips16 insns here.
2026 * mips.igen: From here.
2028 Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2030 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2032 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2034 Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2036 * gencode.c (build_instruction): Follow sim_write's lead in using
2037 BigEndianMem instead of !ByteSwapMem.
2039 Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2041 * configure.in (sim_gen): Dependent on target, select type of
2042 generator. Always select old style generator.
2044 configure: Re-generate.
2046 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2048 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2049 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2050 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2051 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2052 SIM_@sim_gen@_*, set by autoconf.
2054 Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2056 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2058 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2059 CURRENT_FLOATING_POINT instead.
2061 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2062 (address_translation): Raise exception InstructionFetch when
2063 translation fails and isINSTRUCTION.
2065 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2066 sim_engine_run): Change type of of vaddr and paddr to
2068 (address_translation, prefetch, load_memory, store_memory,
2069 cache_op): Change type of vAddr and pAddr to address_word.
2071 * gencode.c (build_instruction): Change type of vaddr and paddr to
2074 Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2076 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2077 macro to obtain result of ALU op.
2079 Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2081 * interp.c (sim_info): Call profile_print.
2083 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2085 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2087 * sim-main.h (WITH_PROFILE): Do not define, defined in
2088 common/sim-config.h. Use sim-profile module.
2089 (simPROFILE): Delete defintion.
2091 * interp.c (PROFILE): Delete definition.
2092 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2093 (sim_close): Delete code writing profile histogram.
2094 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2096 (sim_engine_run): Delete code profiling the PC.
2098 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2100 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2102 * interp.c (sim_monitor): Make register pointers of type
2105 * sim-main.h: Make registers of type unsigned_word not
2108 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2110 * interp.c (sync_operation): Rename from SyncOperation, make
2111 global, add SD argument.
2112 (prefetch): Rename from Prefetch, make global, add SD argument.
2113 (decode_coproc): Make global.
2115 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2117 * gencode.c (build_instruction): Generate DecodeCoproc not
2118 decode_coproc calls.
2120 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2121 (SizeFGR): Move to sim-main.h
2122 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2123 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2124 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2126 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2127 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2128 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2129 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2130 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2131 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2133 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2135 (sim-alu.h): Include.
2136 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2137 (sim_cia): Typedef to instruction_address.
2139 Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2141 * Makefile.in (interp.o): Rename generated file engine.c to
2146 Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2148 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2150 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2152 * gencode.c (build_instruction): For "FPSQRT", output correct
2153 number of arguments to Recip.
2155 Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2157 * Makefile.in (interp.o): Depends on sim-main.h
2159 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2161 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2162 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2163 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2164 STATE, DSSTATE): Define
2165 (GPR, FGRIDX, ..): Define.
2167 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2168 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2169 (GPR, FGRIDX, ...): Delete macros.
2171 * interp.c: Update names to match defines from sim-main.h
2173 Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2175 * interp.c (sim_monitor): Add SD argument.
2176 (sim_warning): Delete. Replace calls with calls to
2178 (sim_error): Delete. Replace calls with sim_io_error.
2179 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2180 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2181 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2183 (mips_size): Rename from sim_size. Add SD argument.
2185 * interp.c (simulator): Delete global variable.
2186 (callback): Delete global variable.
2187 (mips_option_handler, sim_open, sim_write, sim_read,
2188 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2189 sim_size,sim_monitor): Use sim_io_* not callback->*.
2190 (sim_open): ZALLOC simulator struct.
2191 (PROFILE): Do not define.
2193 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2195 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2196 support.h with corresponding code.
2198 * sim-main.h (word64, uword64), support.h: Move definition to
2200 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2203 * Makefile.in: Update dependencies
2204 * interp.c: Do not include.
2206 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2208 * interp.c (address_translation, load_memory, store_memory,
2209 cache_op): Rename to from AddressTranslation et.al., make global,
2212 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2215 * interp.c (SignalException): Rename to signal_exception, make
2218 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2220 * sim-main.h (SignalException, SignalExceptionInterrupt,
2221 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2222 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2223 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2226 * interp.c, support.h: Use.
2228 Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2230 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2231 to value_fpr / store_fpr. Add SD argument.
2232 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2233 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2235 * sim-main.h (ValueFPR, StoreFPR): Define.
2237 Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2239 * interp.c (sim_engine_run): Check consistency between configure
2240 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2243 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2244 (mips_fpu): Configure WITH_FLOATING_POINT.
2245 (mips_endian): Configure WITH_TARGET_ENDIAN.
2246 * configure: Update.
2248 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2250 * configure: Regenerated to track ../common/aclocal.m4 changes.
2252 Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2254 * configure: Regenerated.
2256 Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2258 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2260 Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2262 * gencode.c (print_igen_insn_models): Assume certain architectures
2263 include all mips* instructions.
2264 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2267 * Makefile.in (tmp.igen): Add target. Generate igen input from
2270 * gencode.c (FEATURE_IGEN): Define.
2271 (main): Add --igen option. Generate output in igen format.
2272 (process_instructions): Format output according to igen option.
2273 (print_igen_insn_format): New function.
2274 (print_igen_insn_models): New function.
2275 (process_instructions): Only issue warnings and ignore
2276 instructions when no FEATURE_IGEN.
2278 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2280 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2283 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2285 * configure: Regenerated to track ../common/aclocal.m4 changes.
2287 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2289 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2290 SIM_RESERVED_BITS): Delete, moved to common.
2291 (SIM_EXTRA_CFLAGS): Update.
2293 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2295 * configure.in: Configure non-strict memory alignment.
2296 * configure: Regenerated to track ../common/aclocal.m4 changes.
2298 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2300 * configure: Regenerated to track ../common/aclocal.m4 changes.
2302 Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2304 * gencode.c (SDBBP,DERET): Added (3900) insns.
2305 (RFE): Turn on for 3900.
2306 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2307 (dsstate): Made global.
2308 (SUBTARGET_R3900): Added.
2309 (CANCELDELAYSLOT): New.
2310 (SignalException): Ignore SystemCall rather than ignore and
2311 terminate. Add DebugBreakPoint handling.
2312 (decode_coproc): New insns RFE, DERET; and new registers Debug
2313 and DEPC protected by SUBTARGET_R3900.
2314 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2316 * Makefile.in,configure.in: Add mips subtarget option.
2317 * configure: Update.
2319 Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2321 * gencode.c: Add r3900 (tx39).
2324 Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2326 * gencode.c (build_instruction): Don't need to subtract 4 for
2329 Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2331 * interp.c: Correct some HASFPU problems.
2333 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2335 * configure: Regenerated to track ../common/aclocal.m4 changes.
2337 Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2339 * interp.c (mips_options): Fix samples option short form, should
2342 Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2344 * interp.c (sim_info): Enable info code. Was just returning.
2346 Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2348 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2351 Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2353 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2355 (build_instruction): Ditto for LL.
2357 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2359 * configure: Regenerated to track ../common/aclocal.m4 changes.
2361 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2363 * configure: Regenerated to track ../common/aclocal.m4 changes.
2366 Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2368 * interp.c (sim_open): Add call to sim_analyze_program, update
2371 Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2373 * interp.c (sim_kill): Delete.
2374 (sim_create_inferior): Add ABFD argument. Set PC from same.
2375 (sim_load): Move code initializing trap handlers from here.
2376 (sim_open): To here.
2377 (sim_load): Delete, use sim-hload.c.
2379 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2381 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2383 * configure: Regenerated to track ../common/aclocal.m4 changes.
2386 Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2388 * interp.c (sim_open): Add ABFD argument.
2389 (sim_load): Move call to sim_config from here.
2390 (sim_open): To here. Check return status.
2392 Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2394 * gencode.c (build_instruction): Two arg MADD should
2395 not assign result to $0.
2397 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2399 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2400 * sim/mips/configure.in: Regenerate.
2402 Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2404 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2405 signed8, unsigned8 et.al. types.
2407 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2408 hosts when selecting subreg.
2410 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2412 * interp.c (sim_engine_run): Reset the ZERO register to zero
2413 regardless of FEATURE_WARN_ZERO.
2414 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2416 Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2418 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2419 (SignalException): For BreakPoints ignore any mode bits and just
2421 (SignalException): Always set the CAUSE register.
2423 Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2425 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2426 exception has been taken.
2428 * interp.c: Implement the ERET and mt/f sr instructions.
2430 Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2432 * interp.c (SignalException): Don't bother restarting an
2435 Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2437 * interp.c (SignalException): Really take an interrupt.
2438 (interrupt_event): Only deliver interrupts when enabled.
2440 Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2442 * interp.c (sim_info): Only print info when verbose.
2443 (sim_info) Use sim_io_printf for output.
2445 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2447 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2450 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2452 * interp.c (sim_do_command): Check for common commands if a
2453 simulator specific command fails.
2455 Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2457 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2458 and simBE when DEBUG is defined.
2460 Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2462 * interp.c (interrupt_event): New function. Pass exception event
2463 onto exception handler.
2465 * configure.in: Check for stdlib.h.
2466 * configure: Regenerate.
2468 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2469 variable declaration.
2470 (build_instruction): Initialize memval1.
2471 (build_instruction): Add UNUSED attribute to byte, bigend,
2473 (build_operands): Ditto.
2475 * interp.c: Fix GCC warnings.
2476 (sim_get_quit_code): Delete.
2478 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2479 * Makefile.in: Ditto.
2480 * configure: Re-generate.
2482 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2484 Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2486 * interp.c (mips_option_handler): New function parse argumes using
2488 (myname): Replace with STATE_MY_NAME.
2489 (sim_open): Delete check for host endianness - performed by
2491 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2492 (sim_open): Move much of the initialization from here.
2493 (sim_load): To here. After the image has been loaded and
2495 (sim_open): Move ColdReset from here.
2496 (sim_create_inferior): To here.
2497 (sim_open): Make FP check less dependant on host endianness.
2499 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2501 * interp.c (sim_set_callbacks): Delete.
2503 * interp.c (membank, membank_base, membank_size): Replace with
2504 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2505 (sim_open): Remove call to callback->init. gdb/run do this.
2509 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2511 * interp.c (big_endian_p): Delete, replaced by
2512 current_target_byte_order.
2514 Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2516 * interp.c (host_read_long, host_read_word, host_swap_word,
2517 host_swap_long): Delete. Using common sim-endian.
2518 (sim_fetch_register, sim_store_register): Use H2T.
2519 (pipeline_ticks): Delete. Handled by sim-events.
2521 (sim_engine_run): Update.
2523 Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2525 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2527 (SignalException): To here. Signal using sim_engine_halt.
2528 (sim_stop_reason): Delete, moved to common.
2530 Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2532 * interp.c (sim_open): Add callback argument.
2533 (sim_set_callbacks): Delete SIM_DESC argument.
2536 Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2538 * Makefile.in (SIM_OBJS): Add common modules.
2540 * interp.c (sim_set_callbacks): Also set SD callback.
2541 (set_endianness, xfer_*, swap_*): Delete.
2542 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2543 Change to functions using sim-endian macros.
2544 (control_c, sim_stop): Delete, use common version.
2545 (simulate): Convert into.
2546 (sim_engine_run): This function.
2547 (sim_resume): Delete.
2549 * interp.c (simulation): New variable - the simulator object.
2550 (sim_kind): Delete global - merged into simulation.
2551 (sim_load): Cleanup. Move PC assignment from here.
2552 (sim_create_inferior): To here.
2554 * sim-main.h: New file.
2555 * interp.c (sim-main.h): Include.
2557 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2559 * configure: Regenerated to track ../common/aclocal.m4 changes.
2561 Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2563 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2565 Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2567 * gencode.c (build_instruction): DIV instructions: check
2568 for division by zero and integer overflow before using
2569 host's division operation.
2571 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2573 * Makefile.in (SIM_OBJS): Add sim-load.o.
2574 * interp.c: #include bfd.h.
2575 (target_byte_order): Delete.
2576 (sim_kind, myname, big_endian_p): New static locals.
2577 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2578 after argument parsing. Recognize -E arg, set endianness accordingly.
2579 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2580 load file into simulator. Set PC from bfd.
2581 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2582 (set_endianness): Use big_endian_p instead of target_byte_order.
2584 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2586 * interp.c (sim_size): Delete prototype - conflicts with
2587 definition in remote-sim.h. Correct definition.
2589 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2591 * configure: Regenerated to track ../common/aclocal.m4 changes.
2594 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2596 * interp.c (sim_open): New arg `kind'.
2598 * configure: Regenerated to track ../common/aclocal.m4 changes.
2600 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2602 * configure: Regenerated to track ../common/aclocal.m4 changes.
2604 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2606 * interp.c (sim_open): Set optind to 0 before calling getopt.
2608 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2610 * configure: Regenerated to track ../common/aclocal.m4 changes.
2612 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2614 * interp.c : Replace uses of pr_addr with pr_uword64
2615 where the bit length is always 64 independent of SIM_ADDR.
2616 (pr_uword64) : added.
2618 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2620 * configure: Re-generate.
2622 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2624 * configure: Regenerate to track ../common/aclocal.m4 changes.
2626 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2628 * interp.c (sim_open): New SIM_DESC result. Argument is now
2630 (other sim_*): New SIM_DESC argument.
2632 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2634 * interp.c: Fix printing of addresses for non-64-bit targets.
2635 (pr_addr): Add function to print address based on size.
2637 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2639 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2641 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2643 * gencode.c (build_mips16_operands): Correct computation of base
2644 address for extended PC relative instruction.
2646 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2648 * interp.c (mips16_entry): Add support for floating point cases.
2649 (SignalException): Pass floating point cases to mips16_entry.
2650 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2652 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2654 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2655 and then set the state to fmt_uninterpreted.
2656 (COP_SW): Temporarily set the state to fmt_word while calling
2659 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2661 * gencode.c (build_instruction): The high order may be set in the
2662 comparison flags at any ISA level, not just ISA 4.
2664 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2666 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2667 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2668 * configure.in: sinclude ../common/aclocal.m4.
2669 * configure: Regenerated.
2671 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2673 * configure: Rebuild after change to aclocal.m4.
2675 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2677 * configure configure.in Makefile.in: Update to new configure
2678 scheme which is more compatible with WinGDB builds.
2679 * configure.in: Improve comment on how to run autoconf.
2680 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2681 * Makefile.in: Use autoconf substitution to install common
2684 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2686 * gencode.c (build_instruction): Use BigEndianCPU instead of
2689 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2691 * interp.c (sim_monitor): Make output to stdout visible in
2692 wingdb's I/O log window.
2694 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2696 * support.h: Undo previous change to SIGTRAP
2699 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2701 * interp.c (store_word, load_word): New static functions.
2702 (mips16_entry): New static function.
2703 (SignalException): Look for mips16 entry and exit instructions.
2704 (simulate): Use the correct index when setting fpr_state after
2705 doing a pending move.
2707 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2709 * interp.c: Fix byte-swapping code throughout to work on
2710 both little- and big-endian hosts.
2712 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2714 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2715 with gdb/config/i386/xm-windows.h.
2717 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2719 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2720 that messes up arithmetic shifts.
2722 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2724 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2725 SIGTRAP and SIGQUIT for _WIN32.
2727 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2729 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2730 force a 64 bit multiplication.
2731 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2732 destination register is 0, since that is the default mips16 nop
2735 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2737 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2738 (build_endian_shift): Don't check proc64.
2739 (build_instruction): Always set memval to uword64. Cast op2 to
2740 uword64 when shifting it left in memory instructions. Always use
2741 the same code for stores--don't special case proc64.
2743 * gencode.c (build_mips16_operands): Fix base PC value for PC
2745 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2747 * interp.c (simJALDELAYSLOT): Define.
2748 (JALDELAYSLOT): Define.
2749 (INDELAYSLOT, INJALDELAYSLOT): Define.
2750 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2752 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2754 * interp.c (sim_open): add flush_cache as a PMON routine
2755 (sim_monitor): handle flush_cache by ignoring it
2757 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2759 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2761 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2762 (BigEndianMem): Rename to ByteSwapMem and change sense.
2763 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2764 BigEndianMem references to !ByteSwapMem.
2765 (set_endianness): New function, with prototype.
2766 (sim_open): Call set_endianness.
2767 (sim_info): Use simBE instead of BigEndianMem.
2768 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2769 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2770 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2771 ifdefs, keeping the prototype declaration.
2772 (swap_word): Rewrite correctly.
2773 (ColdReset): Delete references to CONFIG. Delete endianness related
2774 code; moved to set_endianness.
2776 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2778 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2779 * interp.c (CHECKHILO): Define away.
2780 (simSIGINT): New macro.
2781 (membank_size): Increase from 1MB to 2MB.
2782 (control_c): New function.
2783 (sim_resume): Rename parameter signal to signal_number. Add local
2784 variable prev. Call signal before and after simulate.
2785 (sim_stop_reason): Add simSIGINT support.
2786 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2788 (sim_warning): Delete call to SignalException. Do call printf_filtered
2790 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2791 a call to sim_warning.
2793 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2795 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2796 16 bit instructions.
2798 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2800 Add support for mips16 (16 bit MIPS implementation):
2801 * gencode.c (inst_type): Add mips16 instruction encoding types.
2802 (GETDATASIZEINSN): Define.
2803 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2804 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2806 (MIPS16_DECODE): New table, for mips16 instructions.
2807 (bitmap_val): New static function.
2808 (struct mips16_op): Define.
2809 (mips16_op_table): New table, for mips16 operands.
2810 (build_mips16_operands): New static function.
2811 (process_instructions): If PC is odd, decode a mips16
2812 instruction. Break out instruction handling into new
2813 build_instruction function.
2814 (build_instruction): New static function, broken out of
2815 process_instructions. Check modifiers rather than flags for SHIFT
2816 bit count and m[ft]{hi,lo} direction.
2817 (usage): Pass program name to fprintf.
2818 (main): Remove unused variable this_option_optind. Change
2819 ``*loptarg++'' to ``loptarg++''.
2820 (my_strtoul): Parenthesize && within ||.
2821 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2822 (simulate): If PC is odd, fetch a 16 bit instruction, and
2823 increment PC by 2 rather than 4.
2824 * configure.in: Add case for mips16*-*-*.
2825 * configure: Rebuild.
2827 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2829 * interp.c: Allow -t to enable tracing in standalone simulator.
2830 Fix garbage output in trace file and error messages.
2832 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2834 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2835 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2836 * configure.in: Simplify using macros in ../common/aclocal.m4.
2837 * configure: Regenerated.
2838 * tconfig.in: New file.
2840 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
2842 * interp.c: Fix bugs in 64-bit port.
2843 Use ansi function declarations for msvc compiler.
2844 Initialize and test file pointer in trace code.
2845 Prevent duplicate definition of LAST_EMED_REGNUM.
2847 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
2849 * interp.c (xfer_big_long): Prevent unwanted sign extension.
2851 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
2853 * interp.c (SignalException): Check for explicit terminating
2855 * gencode.c: Pass instruction value through SignalException()
2856 calls for Trap, Breakpoint and Syscall.
2858 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2860 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
2861 only used on those hosts that provide it.
2862 * configure.in: Add sqrt() to list of functions to be checked for.
2863 * config.in: Re-generated.
2864 * configure: Re-generated.
2866 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
2868 * gencode.c (process_instructions): Call build_endian_shift when
2869 expanding STORE RIGHT, to fix swr.
2870 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
2871 clear the high bits.
2872 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
2873 Fix float to int conversions to produce signed values.
2875 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
2877 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
2878 (process_instructions): Correct handling of nor instruction.
2879 Correct shift count for 32 bit shift instructions. Correct sign
2880 extension for arithmetic shifts to not shift the number of bits in
2881 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
2882 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
2884 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
2885 It's OK to have a mult follow a mult. What's not OK is to have a
2886 mult follow an mfhi.
2887 (Convert): Comment out incorrect rounding code.
2889 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
2891 * interp.c (sim_monitor): Improved monitor printf
2892 simulation. Tidied up simulator warnings, and added "--log" option
2893 for directing warning message output.
2894 * gencode.c: Use sim_warning() rather than WARNING macro.
2896 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
2898 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
2899 getopt1.o, rather than on gencode.c. Link objects together.
2900 Don't link against -liberty.
2901 (gencode.o, getopt.o, getopt1.o): New targets.
2902 * gencode.c: Include <ctype.h> and "ansidecl.h".
2903 (AND): Undefine after including "ansidecl.h".
2904 (ULONG_MAX): Define if not defined.
2905 (OP_*): Don't define macros; now defined in opcode/mips.h.
2906 (main): Call my_strtoul rather than strtoul.
2907 (my_strtoul): New static function.
2909 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
2911 * gencode.c (process_instructions): Generate word64 and uword64
2912 instead of `long long' and `unsigned long long' data types.
2913 * interp.c: #include sysdep.h to get signals, and define default
2915 * (Convert): Work around for Visual-C++ compiler bug with type
2917 * support.h: Make things compile under Visual-C++ by using
2918 __int64 instead of `long long'. Change many refs to long long
2919 into word64/uword64 typedefs.
2921 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
2923 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
2924 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
2926 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
2927 (AC_PROG_INSTALL): Added.
2928 (AC_PROG_CC): Moved to before configure.host call.
2929 * configure: Rebuilt.
2931 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
2933 * configure.in: Define @SIMCONF@ depending on mips target.
2934 * configure: Rebuild.
2935 * Makefile.in (run): Add @SIMCONF@ to control simulator
2937 * gencode.c: Change LOADDRMASK to 64bit memory model only.
2938 * interp.c: Remove some debugging, provide more detailed error
2939 messages, update memory accesses to use LOADDRMASK.
2941 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
2943 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
2944 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
2946 * configure: Rebuild.
2947 * config.in: New file, generated by autoheader.
2948 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
2949 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
2950 HAVE_ANINT and HAVE_AINT, as appropriate.
2951 * Makefile.in (run): Use @LIBS@ rather than -lm.
2952 (interp.o): Depend upon config.h.
2953 (Makefile): Just rebuild Makefile.
2954 (clean): Remove stamp-h.
2955 (mostlyclean): Make the same as clean, not as distclean.
2956 (config.h, stamp-h): New targets.
2958 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2960 * interp.c (ColdReset): Fix boolean test. Make all simulator
2963 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
2965 * interp.c (xfer_direct_word, xfer_direct_long,
2966 swap_direct_word, swap_direct_long, xfer_big_word,
2967 xfer_big_long, xfer_little_word, xfer_little_long,
2968 swap_word,swap_long): Added.
2969 * interp.c (ColdReset): Provide function indirection to
2970 host<->simulated_target transfer routines.
2971 * interp.c (sim_store_register, sim_fetch_register): Updated to
2972 make use of indirected transfer routines.
2974 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
2976 * gencode.c (process_instructions): Ensure FP ABS instruction
2978 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
2979 system call support.
2981 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
2983 * interp.c (sim_do_command): Complain if callback structure not
2986 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
2988 * interp.c (Convert): Provide round-to-nearest and round-to-zero
2989 support for Sun hosts.
2990 * Makefile.in (gencode): Ensure the host compiler and libraries
2991 used for cross-hosted build.
2993 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
2995 * interp.c, gencode.c: Some more (TODO) tidying.
2997 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
2999 * gencode.c, interp.c: Replaced explicit long long references with
3000 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3001 * support.h (SET64LO, SET64HI): Macros added.
3003 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3005 * configure: Regenerate with autoconf 2.7.
3007 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3009 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3010 * support.h: Remove superfluous "1" from #if.
3011 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3013 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3015 * interp.c (StoreFPR): Control UndefinedResult() call on
3016 WARN_RESULT manifest.
3018 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3020 * gencode.c: Tidied instruction decoding, and added FP instruction
3023 * interp.c: Added dineroIII, and BSD profiling support. Also
3024 run-time FP handling.
3026 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3028 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3029 gencode.c, interp.c, support.h: created.