1 2005-05-26 David Ung <davidu@mips.com>
3 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
4 tags to all instructions which are applicable to the new ISAs.
5 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
7 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
9 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
11 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
12 * configure: Regenerate.
14 2005-03-23 Mark Kettenis <kettenis@gnu.org>
16 * configure: Regenerate.
18 2005-01-14 Andrew Cagney <cagney@gnu.org>
20 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
21 explicit call to AC_CONFIG_HEADER.
22 * configure: Regenerate.
24 2005-01-12 Andrew Cagney <cagney@gnu.org>
26 * configure.ac: Update to use ../common/common.m4.
27 * configure: Re-generate.
29 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
31 * configure: Regenerated to track ../common/aclocal.m4 changes.
33 2005-01-07 Andrew Cagney <cagney@gnu.org>
35 * configure.ac: Rename configure.in, require autoconf 2.59.
36 * configure: Re-generate.
38 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
40 * configure: Regenerate for ../common/aclocal.m4 update.
42 2004-09-24 Monika Chaddha <monika@acmet.com>
44 Committed by Andrew Cagney.
45 * m16.igen (CMP, CMPI): Fix assembler.
47 2004-08-18 Chris Demetriou <cgd@broadcom.com>
49 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
50 * configure: Regenerate.
52 2004-06-25 Chris Demetriou <cgd@broadcom.com>
54 * configure.in (sim_m16_machine): Include mipsIII.
55 * configure: Regenerate.
57 2004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
59 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
61 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
63 2004-04-10 Chris Demetriou <cgd@broadcom.com>
65 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
67 2004-04-09 Chris Demetriou <cgd@broadcom.com>
69 * mips.igen (check_fmt): Remove.
70 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
71 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
72 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
73 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
74 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
75 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
76 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
77 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
78 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
79 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
81 2004-04-09 Chris Demetriou <cgd@broadcom.com>
83 * sb1.igen (check_sbx): New function.
84 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
86 2004-03-29 Chris Demetriou <cgd@broadcom.com>
87 Richard Sandiford <rsandifo@redhat.com>
89 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
90 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
91 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
92 separate implementations for mipsIV and mipsV. Use new macros to
93 determine whether the restrictions apply.
95 2004-01-19 Chris Demetriou <cgd@broadcom.com>
97 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
98 (check_mult_hilo): Improve comments.
99 (check_div_hilo): Likewise. Also, fork off a new version
100 to handle mips32/mips64 (since there are no hazards to check
103 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
105 * mips.igen (do_dmultx): Fix check for negative operands.
107 2003-05-16 Ian Lance Taylor <ian@airs.com>
109 * Makefile.in (SHELL): Make sure this is defined.
110 (various): Use $(SHELL) whenever we invoke move-if-change.
112 2003-05-03 Chris Demetriou <cgd@broadcom.com>
114 * cp1.c: Tweak attribution slightly.
117 * mdmx.igen: Likewise.
118 * mips3d.igen: Likewise.
119 * sb1.igen: Likewise.
121 2003-04-15 Richard Sandiford <rsandifo@redhat.com>
123 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
126 2003-02-27 Andrew Cagney <cagney@redhat.com>
128 * interp.c (sim_open): Rename _bfd to bfd.
129 (sim_create_inferior): Ditto.
131 2003-01-14 Chris Demetriou <cgd@broadcom.com>
133 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
135 2003-01-14 Chris Demetriou <cgd@broadcom.com>
137 * mips.igen (EI, DI): Remove.
139 2003-01-05 Richard Sandiford <rsandifo@redhat.com>
141 * Makefile.in (tmp-run-multi): Fix mips16 filter.
143 2003-01-04 Richard Sandiford <rsandifo@redhat.com>
144 Andrew Cagney <ac131313@redhat.com>
145 Gavin Romig-Koch <gavin@redhat.com>
146 Graydon Hoare <graydon@redhat.com>
147 Aldy Hernandez <aldyh@redhat.com>
148 Dave Brolley <brolley@redhat.com>
149 Chris Demetriou <cgd@broadcom.com>
151 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
152 (sim_mach_default): New variable.
153 (mips64vr-*-*, mips64vrel-*-*): New configurations.
154 Add a new simulator generator, MULTI.
155 * configure: Regenerate.
156 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
157 (multi-run.o): New dependency.
158 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
159 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
160 (tmp-multi): Combine them.
161 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
162 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
163 (distclean-extra): New rule.
164 * sim-main.h: Include bfd.h.
165 (MIPS_MACH): New macro.
166 * mips.igen (vr4120, vr5400, vr5500): New models.
167 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
168 * vr.igen: Replace with new version.
170 2003-01-04 Chris Demetriou <cgd@broadcom.com>
172 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
173 * configure: Regenerate.
175 2002-12-31 Chris Demetriou <cgd@broadcom.com>
177 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
178 * mips.igen: Remove all invocations of check_branch_bug and
181 2002-12-16 Chris Demetriou <cgd@broadcom.com>
183 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
185 2002-07-30 Chris Demetriou <cgd@broadcom.com>
187 * mips.igen (do_load_double, do_store_double): New functions.
188 (LDC1, SDC1): Rename to...
189 (LDC1b, SDC1b): respectively.
190 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
192 2002-07-29 Michael Snyder <msnyder@redhat.com>
194 * cp1.c (fp_recip2): Modify initialization expression so that
195 GCC will recognize it as constant.
197 2002-06-18 Chris Demetriou <cgd@broadcom.com>
199 * mdmx.c (SD_): Delete.
200 (Unpredictable): Re-define, for now, to directly invoke
201 unpredictable_action().
202 (mdmx_acc_op): Fix error in .ob immediate handling.
204 2002-06-18 Andrew Cagney <cagney@redhat.com>
206 * interp.c (sim_firmware_command): Initialize `address'.
208 2002-06-16 Andrew Cagney <ac131313@redhat.com>
210 * configure: Regenerated to track ../common/aclocal.m4 changes.
212 2002-06-14 Chris Demetriou <cgd@broadcom.com>
213 Ed Satterthwaite <ehs@broadcom.com>
215 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
216 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
217 * mips.igen: Include mips3d.igen.
218 (mips3d): New model name for MIPS-3D ASE instructions.
219 (CVT.W.fmt): Don't use this instruction for word (source) format
221 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
222 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
223 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
224 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
225 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
226 (RSquareRoot1, RSquareRoot2): New macros.
227 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
228 (fp_rsqrt2): New functions.
229 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
230 * configure: Regenerate.
232 2002-06-13 Chris Demetriou <cgd@broadcom.com>
233 Ed Satterthwaite <ehs@broadcom.com>
235 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
236 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
237 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
238 (convert): Note that this function is not used for paired-single
240 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
241 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
242 (check_fmt_p): Enable paired-single support.
243 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
244 (PUU.PS): New instructions.
245 (CVT.S.fmt): Don't use this instruction for paired-single format
247 * sim-main.h (FP_formats): New value 'fmt_ps.'
248 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
249 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
251 2002-06-12 Chris Demetriou <cgd@broadcom.com>
253 * mips.igen: Fix formatting of function calls in
256 2002-06-12 Chris Demetriou <cgd@broadcom.com>
258 * mips.igen (MOVN, MOVZ): Trace result.
259 (TNEI): Print "tnei" as the opcode name in traces.
260 (CEIL.W): Add disassembly string for traces.
261 (RSQRT.fmt): Make location of disassembly string consistent
262 with other instructions.
264 2002-06-12 Chris Demetriou <cgd@broadcom.com>
266 * mips.igen (X): Delete unused function.
268 2002-06-08 Andrew Cagney <cagney@redhat.com>
270 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
272 2002-06-07 Chris Demetriou <cgd@broadcom.com>
273 Ed Satterthwaite <ehs@broadcom.com>
275 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
276 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
277 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
278 (fp_nmsub): New prototypes.
279 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
280 (NegMultiplySub): New defines.
281 * mips.igen (RSQRT.fmt): Use RSquareRoot().
282 (MADD.D, MADD.S): Replace with...
283 (MADD.fmt): New instruction.
284 (MSUB.D, MSUB.S): Replace with...
285 (MSUB.fmt): New instruction.
286 (NMADD.D, NMADD.S): Replace with...
287 (NMADD.fmt): New instruction.
288 (NMSUB.D, MSUB.S): Replace with...
289 (NMSUB.fmt): New instruction.
291 2002-06-07 Chris Demetriou <cgd@broadcom.com>
292 Ed Satterthwaite <ehs@broadcom.com>
294 * cp1.c: Fix more comment spelling and formatting.
295 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
296 (denorm_mode): New function.
297 (fpu_unary, fpu_binary): Round results after operation, collect
298 status from rounding operations, and update the FCSR.
299 (convert): Collect status from integer conversions and rounding
300 operations, and update the FCSR. Adjust NaN values that result
301 from conversions. Convert to use sim_io_eprintf rather than
302 fprintf, and remove some debugging code.
303 * cp1.h (fenr_FS): New define.
305 2002-06-07 Chris Demetriou <cgd@broadcom.com>
307 * cp1.c (convert): Remove unusable debugging code, and move MIPS
308 rounding mode to sim FP rounding mode flag conversion code into...
309 (rounding_mode): New function.
311 2002-06-07 Chris Demetriou <cgd@broadcom.com>
313 * cp1.c: Clean up formatting of a few comments.
314 (value_fpr): Reformat switch statement.
316 2002-06-06 Chris Demetriou <cgd@broadcom.com>
317 Ed Satterthwaite <ehs@broadcom.com>
320 * sim-main.h: Include cp1.h.
321 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
322 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
323 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
324 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
325 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
326 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
327 * cp1.c: Don't include sim-fpu.h; already included by
328 sim-main.h. Clean up formatting of some comments.
329 (NaN, Equal, Less): Remove.
330 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
331 (fp_cmp): New functions.
332 * mips.igen (do_c_cond_fmt): Remove.
333 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
334 Compare. Add result tracing.
335 (CxC1): Remove, replace with...
336 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
337 (DMxC1): Remove, replace with...
338 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
339 (MxC1): Remove, replace with...
340 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
342 2002-06-04 Chris Demetriou <cgd@broadcom.com>
344 * sim-main.h (FGRIDX): Remove, replace all uses with...
345 (FGR_BASE): New macro.
346 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
347 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
348 (NR_FGR, FGR): Likewise.
349 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
350 * mips.igen: Likewise.
352 2002-06-04 Chris Demetriou <cgd@broadcom.com>
354 * cp1.c: Add an FSF Copyright notice to this file.
356 2002-06-04 Chris Demetriou <cgd@broadcom.com>
357 Ed Satterthwaite <ehs@broadcom.com>
359 * cp1.c (Infinity): Remove.
360 * sim-main.h (Infinity): Likewise.
362 * cp1.c (fp_unary, fp_binary): New functions.
363 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
364 (fp_sqrt): New functions, implemented in terms of the above.
365 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
366 (Recip, SquareRoot): Remove (replaced by functions above).
367 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
368 (fp_recip, fp_sqrt): New prototypes.
369 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
370 (Recip, SquareRoot): Replace prototypes with #defines which
371 invoke the functions above.
373 2002-06-03 Chris Demetriou <cgd@broadcom.com>
375 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
376 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
377 file, remove PARAMS from prototypes.
378 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
379 simulator state arguments.
380 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
381 pass simulator state arguments.
382 * cp1.c (SD): Redefine as CPU_STATE(cpu).
383 (store_fpr, convert): Remove 'sd' argument.
384 (value_fpr): Likewise. Convert to use 'SD' instead.
386 2002-06-03 Chris Demetriou <cgd@broadcom.com>
388 * cp1.c (Min, Max): Remove #if 0'd functions.
389 * sim-main.h (Min, Max): Remove.
391 2002-06-03 Chris Demetriou <cgd@broadcom.com>
393 * cp1.c: fix formatting of switch case and default labels.
394 * interp.c: Likewise.
395 * sim-main.c: Likewise.
397 2002-06-03 Chris Demetriou <cgd@broadcom.com>
399 * cp1.c: Clean up comments which describe FP formats.
400 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
402 2002-06-03 Chris Demetriou <cgd@broadcom.com>
403 Ed Satterthwaite <ehs@broadcom.com>
405 * configure.in (mipsisa64sb1*-*-*): New target for supporting
406 Broadcom SiByte SB-1 processor configurations.
407 * configure: Regenerate.
408 * sb1.igen: New file.
409 * mips.igen: Include sb1.igen.
411 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
412 * mdmx.igen: Add "sb1" model to all appropriate functions and
414 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
415 (ob_func, ob_acc): Reference the above.
416 (qh_acc): Adjust to keep the same size as ob_acc.
417 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
418 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
420 2002-06-03 Chris Demetriou <cgd@broadcom.com>
422 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
424 2002-06-02 Chris Demetriou <cgd@broadcom.com>
425 Ed Satterthwaite <ehs@broadcom.com>
427 * mips.igen (mdmx): New (pseudo-)model.
428 * mdmx.c, mdmx.igen: New files.
429 * Makefile.in (SIM_OBJS): Add mdmx.o.
430 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
432 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
433 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
434 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
435 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
436 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
437 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
438 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
439 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
440 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
441 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
442 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
443 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
444 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
445 (qh_fmtsel): New macros.
446 (_sim_cpu): New member "acc".
447 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
448 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
450 2002-05-01 Chris Demetriou <cgd@broadcom.com>
452 * interp.c: Use 'deprecated' rather than 'depreciated.'
453 * sim-main.h: Likewise.
455 2002-05-01 Chris Demetriou <cgd@broadcom.com>
457 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
458 which wouldn't compile anyway.
459 * sim-main.h (unpredictable_action): New function prototype.
460 (Unpredictable): Define to call igen function unpredictable().
461 (NotWordValue): New macro to call igen function not_word_value().
462 (UndefinedResult): Remove.
463 * interp.c (undefined_result): Remove.
464 (unpredictable_action): New function.
465 * mips.igen (not_word_value, unpredictable): New functions.
466 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
467 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
468 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
469 NotWordValue() to check for unpredictable inputs, then
470 Unpredictable() to handle them.
472 2002-02-24 Chris Demetriou <cgd@broadcom.com>
474 * mips.igen: Fix formatting of calls to Unpredictable().
476 2002-04-20 Andrew Cagney <ac131313@redhat.com>
478 * interp.c (sim_open): Revert previous change.
480 2002-04-18 Alexandre Oliva <aoliva@redhat.com>
482 * interp.c (sim_open): Disable chunk of code that wrote code in
483 vector table entries.
485 2002-03-19 Chris Demetriou <cgd@broadcom.com>
487 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
488 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
491 2002-03-19 Chris Demetriou <cgd@broadcom.com>
493 * cp1.c: Fix many formatting issues.
495 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
497 * cp1.c (fpu_format_name): New function to replace...
498 (DOFMT): This. Delete, and update all callers.
499 (fpu_rounding_mode_name): New function to replace...
500 (RMMODE): This. Delete, and update all callers.
502 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
504 * interp.c: Move FPU support routines from here to...
505 * cp1.c: Here. New file.
506 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
509 2002-03-12 Chris Demetriou <cgd@broadcom.com>
511 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
512 * mips.igen (mips32, mips64): New models, add to all instructions
513 and functions as appropriate.
514 (loadstore_ea, check_u64): New variant for model mips64.
515 (check_fmt_p): New variant for models mipsV and mips64, remove
516 mipsV model marking fro other variant.
519 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
520 for mips32 and mips64.
521 (DCLO, DCLZ): New instructions for mips64.
523 2002-03-07 Chris Demetriou <cgd@broadcom.com>
525 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
526 immediate or code as a hex value with the "%#lx" format.
527 (ANDI): Likewise, and fix printed instruction name.
529 2002-03-05 Chris Demetriou <cgd@broadcom.com>
531 * sim-main.h (UndefinedResult, Unpredictable): New macros
532 which currently do nothing.
534 2002-03-05 Chris Demetriou <cgd@broadcom.com>
536 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
537 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
538 (status_CU3): New definitions.
540 * sim-main.h (ExceptionCause): Add new values for MIPS32
541 and MIPS64: MDMX, MCheck, CacheErr. Update comments
542 for DebugBreakPoint and NMIReset to note their status in
544 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
545 (SignalExceptionCacheErr): New exception macros.
547 2002-03-05 Chris Demetriou <cgd@broadcom.com>
549 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
550 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
552 (SignalExceptionCoProcessorUnusable): Take as argument the
553 unusable coprocessor number.
555 2002-03-05 Chris Demetriou <cgd@broadcom.com>
557 * mips.igen: Fix formatting of all SignalException calls.
559 2002-03-05 Chris Demetriou <cgd@broadcom.com>
561 * sim-main.h (SIGNEXTEND): Remove.
563 2002-03-04 Chris Demetriou <cgd@broadcom.com>
565 * mips.igen: Remove gencode comment from top of file, fix
566 spelling in another comment.
568 2002-03-04 Chris Demetriou <cgd@broadcom.com>
570 * mips.igen (check_fmt, check_fmt_p): New functions to check
571 whether specific floating point formats are usable.
572 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
573 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
574 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
575 Use the new functions.
576 (do_c_cond_fmt): Remove format checks...
577 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
579 2002-03-03 Chris Demetriou <cgd@broadcom.com>
581 * mips.igen: Fix formatting of check_fpu calls.
583 2002-03-03 Chris Demetriou <cgd@broadcom.com>
585 * mips.igen (FLOOR.L.fmt): Store correct destination register.
587 2002-03-03 Chris Demetriou <cgd@broadcom.com>
589 * mips.igen: Remove whitespace at end of lines.
591 2002-03-02 Chris Demetriou <cgd@broadcom.com>
593 * mips.igen (loadstore_ea): New function to do effective
594 address calculations.
595 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
596 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
597 CACHE): Use loadstore_ea to do effective address computations.
599 2002-03-02 Chris Demetriou <cgd@broadcom.com>
601 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
602 * mips.igen (LL, CxC1, MxC1): Likewise.
604 2002-03-02 Chris Demetriou <cgd@broadcom.com>
606 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
607 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
608 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
609 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
610 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
611 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
612 Don't split opcode fields by hand, use the opcode field values
615 2002-03-01 Chris Demetriou <cgd@broadcom.com>
617 * mips.igen (do_divu): Fix spacing.
619 * mips.igen (do_dsllv): Move to be right before DSLLV,
620 to match the rest of the do_<shift> functions.
622 2002-03-01 Chris Demetriou <cgd@broadcom.com>
624 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
625 DSRL32, do_dsrlv): Trace inputs and results.
627 2002-03-01 Chris Demetriou <cgd@broadcom.com>
629 * mips.igen (CACHE): Provide instruction-printing string.
631 * interp.c (signal_exception): Comment tokens after #endif.
633 2002-02-28 Chris Demetriou <cgd@broadcom.com>
635 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
636 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
637 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
638 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
639 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
640 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
641 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
642 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
644 2002-02-28 Chris Demetriou <cgd@broadcom.com>
646 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
647 instruction-printing string.
648 (LWU): Use '64' as the filter flag.
650 2002-02-28 Chris Demetriou <cgd@broadcom.com>
652 * mips.igen (SDXC1): Fix instruction-printing string.
654 2002-02-28 Chris Demetriou <cgd@broadcom.com>
656 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
659 2002-02-27 Chris Demetriou <cgd@broadcom.com>
661 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
664 2002-02-27 Chris Demetriou <cgd@broadcom.com>
666 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
667 add a comma) so that it more closely match the MIPS ISA
668 documentation opcode partitioning.
669 (PREF): Put useful names on opcode fields, and include
670 instruction-printing string.
672 2002-02-27 Chris Demetriou <cgd@broadcom.com>
674 * mips.igen (check_u64): New function which in the future will
675 check whether 64-bit instructions are usable and signal an
676 exception if not. Currently a no-op.
677 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
678 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
679 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
680 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
682 * mips.igen (check_fpu): New function which in the future will
683 check whether FPU instructions are usable and signal an exception
684 if not. Currently a no-op.
685 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
686 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
687 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
688 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
689 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
690 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
691 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
692 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
694 2002-02-27 Chris Demetriou <cgd@broadcom.com>
696 * mips.igen (do_load_left, do_load_right): Move to be immediately
698 (do_store_left, do_store_right): Move to be immediately following
701 2002-02-27 Chris Demetriou <cgd@broadcom.com>
703 * mips.igen (mipsV): New model name. Also, add it to
704 all instructions and functions where it is appropriate.
706 2002-02-18 Chris Demetriou <cgd@broadcom.com>
708 * mips.igen: For all functions and instructions, list model
709 names that support that instruction one per line.
711 2002-02-11 Chris Demetriou <cgd@broadcom.com>
713 * mips.igen: Add some additional comments about supported
714 models, and about which instructions go where.
715 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
716 order as is used in the rest of the file.
718 2002-02-11 Chris Demetriou <cgd@broadcom.com>
720 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
721 indicating that ALU32_END or ALU64_END are there to check
723 (DADD): Likewise, but also remove previous comment about
726 2002-02-10 Chris Demetriou <cgd@broadcom.com>
728 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
729 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
730 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
731 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
732 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
733 fields (i.e., add and move commas) so that they more closely
734 match the MIPS ISA documentation opcode partitioning.
736 2002-02-10 Chris Demetriou <cgd@broadcom.com>
738 * mips.igen (ADDI): Print immediate value.
740 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
741 (SLL): Print "nop" specially, and don't run the code
742 that does the shift for the "nop" case.
744 2001-11-17 Fred Fish <fnf@redhat.com>
746 * sim-main.h (float_operation): Move enum declaration outside
747 of _sim_cpu struct declaration.
749 2001-04-12 Jim Blandy <jimb@redhat.com>
751 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
752 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
754 * sim-main.h (COCIDX): Remove definition; this isn't supported by
755 PENDING_FILL, and you can get the intended effect gracefully by
756 calling PENDING_SCHED directly.
758 2001-02-23 Ben Elliston <bje@redhat.com>
760 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
761 already defined elsewhere.
763 2001-02-19 Ben Elliston <bje@redhat.com>
765 * sim-main.h (sim_monitor): Return an int.
766 * interp.c (sim_monitor): Add return values.
767 (signal_exception): Handle error conditions from sim_monitor.
769 2001-02-08 Ben Elliston <bje@redhat.com>
771 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
772 (store_memory): Likewise, pass cia to sim_core_write*.
774 2000-10-19 Frank Ch. Eigler <fche@redhat.com>
776 On advice from Chris G. Demetriou <cgd@sibyte.com>:
777 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
779 Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
781 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
782 * Makefile.in: Don't delete *.igen when cleaning directory.
784 Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
786 * m16.igen (break): Call SignalException not sim_engine_halt.
788 Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
791 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
793 Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
795 * mips.igen (MxC1, DMxC1): Fix printf formatting.
797 2000-05-24 Michael Hayes <mhayes@cygnus.com>
799 * mips.igen (do_dmultx): Fix typo.
801 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
803 * configure: Regenerated to track ../common/aclocal.m4 changes.
805 Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
807 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
809 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
811 * sim-main.h (GPR_CLEAR): Define macro.
813 Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
815 * interp.c (decode_coproc): Output long using %lx and not %s.
817 2000-03-21 Frank Ch. Eigler <fche@redhat.com>
819 * interp.c (sim_open): Sort & extend dummy memory regions for
820 --board=jmr3904 for eCos.
822 2000-03-02 Frank Ch. Eigler <fche@redhat.com>
824 * configure: Regenerated.
826 Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
828 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
829 calls, conditional on the simulator being in verbose mode.
831 Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
833 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
834 cache don't get ReservedInstruction traps.
836 1999-11-29 Mark Salter <msalter@cygnus.com>
838 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
839 to clear status bits in sdisr register. This is how the hardware works.
841 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
842 being used by cygmon.
844 1999-11-11 Andrew Haley <aph@cygnus.com>
846 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
849 Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
851 * mips.igen (MULT): Correct previous mis-applied patch.
853 Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
855 * mips.igen (delayslot32): Handle sequence like
856 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
857 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
858 (MULT): Actually pass the third register...
860 1999-09-03 Mark Salter <msalter@cygnus.com>
862 * interp.c (sim_open): Added more memory aliases for additional
863 hardware being touched by cygmon on jmr3904 board.
865 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
867 * configure: Regenerated to track ../common/aclocal.m4 changes.
869 Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
871 * interp.c (sim_store_register): Handle case where client - GDB -
872 specifies that a 4 byte register is 8 bytes in size.
873 (sim_fetch_register): Ditto.
875 1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
877 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
878 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
879 (idt_monitor_base): Base address for IDT monitor traps.
880 (pmon_monitor_base): Ditto for PMON.
881 (lsipmon_monitor_base): Ditto for LSI PMON.
882 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
883 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
884 (sim_firmware_command): New function.
885 (mips_option_handler): Call it for OPTION_FIRMWARE.
886 (sim_open): Allocate memory for idt_monitor region. If "--board"
887 option was given, add no monitor by default. Add BREAK hooks only if
888 monitors are also there.
890 Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
892 * interp.c (sim_monitor): Flush output before reading input.
894 Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
896 * tconfig.in (SIM_HANDLES_LMA): Always define.
898 Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
900 From Mark Salter <msalter@cygnus.com>:
901 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
902 (sim_open): Add setup for BSP board.
904 Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
906 * mips.igen (MULT, MULTU): Add syntax for two operand version.
907 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
908 them as unimplemented.
910 1999-05-08 Felix Lee <flee@cygnus.com>
912 * configure: Regenerated to track ../common/aclocal.m4 changes.
914 1999-04-21 Frank Ch. Eigler <fche@cygnus.com>
916 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
918 Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
920 * configure.in: Any mips64vr5*-*-* target should have
921 -DTARGET_ENABLE_FR=1.
922 (default_endian): Any mips64vr*el-*-* target should default to
924 * configure: Re-generate.
926 1999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
928 * mips.igen (ldl): Extend from _16_, not 32.
930 Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
932 * interp.c (sim_store_register): Force registers written to by GDB
933 into an un-interpreted state.
935 1999-02-05 Frank Ch. Eigler <fche@cygnus.com>
937 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
938 CPU, start periodic background I/O polls.
939 (tx3904sio_poll): New function: periodic I/O poller.
941 1998-12-30 Frank Ch. Eigler <fche@cygnus.com>
943 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
945 Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
947 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
950 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
952 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
953 (load_word): Call SIM_CORE_SIGNAL hook on error.
954 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
955 starting. For exception dispatching, pass PC instead of NULL_CIA.
956 (decode_coproc): Use COP0_BADVADDR to store faulting address.
957 * sim-main.h (COP0_BADVADDR): Define.
958 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
959 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
960 (_sim_cpu): Add exc_* fields to store register value snapshots.
961 * mips.igen (*): Replace memory-related SignalException* calls
962 with references to SIM_CORE_SIGNAL hook.
964 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
966 * sim-main.c (*): Minor warning cleanups.
968 1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
970 * m16.igen (DADDIU5): Correct type-o.
972 Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
974 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
977 Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
979 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
981 (interp.o): Add dependency on itable.h
982 (oengine.c, gencode): Delete remaining references.
983 (BUILT_SRC_FROM_GEN): Clean up.
985 1998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
988 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
989 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
991 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
992 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
993 Drop the "64" qualifier to get the HACK generator working.
994 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
995 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
996 qualifier to get the hack generator working.
997 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
999 (DSLLV): Use do_dsllv.
1000 (DSRA): Use do_dsra.
1001 (DSRL): Use do_dsrl.
1002 (DSRLV): Use do_dsrlv.
1003 (BC1): Move *vr4100 to get the HACK generator working.
1004 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
1005 get the HACK generator working.
1006 (MACC) Rename to get the HACK generator working.
1007 (DMACC,MACCS,DMACCS): Add the 64.
1009 1998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1011 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1012 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
1014 1998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1016 * mips/interp.c (DEBUG): Cleanups.
1018 1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1020 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1021 (tx3904sio_tickle): fflush after a stdout character output.
1023 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1025 * interp.c (sim_close): Uninstall modules.
1027 Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1029 * sim-main.h, interp.c (sim_monitor): Change to global
1032 Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1034 * configure.in (vr4100): Only include vr4100 instructions in
1036 * configure: Re-generate.
1037 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1039 Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1041 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1042 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1045 * configure.in (sim_default_gen, sim_use_gen): Replace with
1047 (--enable-sim-igen): Delete config option. Always using IGEN.
1048 * configure: Re-generate.
1050 * Makefile.in (gencode): Kill, kill, kill.
1053 Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1055 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1056 bit mips16 igen simulator.
1057 * configure: Re-generate.
1059 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1060 as part of vr4100 ISA.
1061 * vr.igen: Mark all instructions as 64 bit only.
1063 Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1065 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1068 Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1070 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1071 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1072 * configure: Re-generate.
1074 * m16.igen (BREAK): Define breakpoint instruction.
1075 (JALX32): Mark instruction as mips16 and not r3900.
1076 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1078 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1080 Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1082 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1083 insn as a debug breakpoint.
1085 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1087 (PENDING_SCHED): Clean up trace statement.
1088 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1089 (PENDING_FILL): Delay write by only one cycle.
1090 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1092 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1094 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1096 (pending_tick): Move incrementing of index to FOR statement.
1097 (pending_tick): Only update PENDING_OUT after a write has occured.
1099 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1101 * configure: Re-generate.
1103 * interp.c (sim_engine_run OLD): Delete explicit call to
1104 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1106 Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1108 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1109 interrupt level number to match changed SignalExceptionInterrupt
1112 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1114 * interp.c: #include "itable.h" if WITH_IGEN.
1115 (get_insn_name): New function.
1116 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1117 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1119 Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1121 * configure: Rebuilt to inhale new common/aclocal.m4.
1123 Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1125 * dv-tx3904sio.c: Include sim-assert.h.
1127 Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1129 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1130 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1131 Reorganize target-specific sim-hardware checks.
1132 * configure: rebuilt.
1133 * interp.c (sim_open): For tx39 target boards, set
1134 OPERATING_ENVIRONMENT, add tx3904sio devices.
1135 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1136 ROM executables. Install dv-sockser into sim-modules list.
1138 * dv-tx3904irc.c: Compiler warning clean-up.
1139 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1140 frequent hw-trace messages.
1142 Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1144 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1146 Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1148 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1150 * vr.igen: New file.
1151 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1152 * mips.igen: Define vr4100 model. Include vr.igen.
1153 Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1155 * mips.igen (check_mf_hilo): Correct check.
1157 Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1159 * sim-main.h (interrupt_event): Add prototype.
1161 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1162 register_ptr, register_value.
1163 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1165 * sim-main.h (tracefh): Make extern.
1167 Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1169 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1170 Reduce unnecessarily high timer event frequency.
1171 * dv-tx3904cpu.c: Ditto for interrupt event.
1173 Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1175 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1177 (interrupt_event): Made non-static.
1179 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1180 interchange of configuration values for external vs. internal
1183 Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1185 * mips.igen (BREAK): Moved code to here for
1186 simulator-reserved break instructions.
1187 * gencode.c (build_instruction): Ditto.
1188 * interp.c (signal_exception): Code moved from here. Non-
1189 reserved instructions now use exception vector, rather
1191 * sim-main.h: Moved magic constants to here.
1193 Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1195 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1196 register upon non-zero interrupt event level, clear upon zero
1198 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1199 by passing zero event value.
1200 (*_io_{read,write}_buffer): Endianness fixes.
1201 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1202 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1204 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1205 serial I/O and timer module at base address 0xFFFF0000.
1207 Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1209 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1212 Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1214 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1216 * configure: Update.
1218 Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1220 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1221 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1222 * configure.in: Include tx3904tmr in hw_device list.
1223 * configure: Rebuilt.
1224 * interp.c (sim_open): Instantiate three timer instances.
1225 Fix address typo of tx3904irc instance.
1227 Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1229 * interp.c (signal_exception): SystemCall exception now uses
1230 the exception vector.
1232 Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1234 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1237 Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1239 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1241 Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1243 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1245 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1246 sim-main.h. Declare a struct hw_descriptor instead of struct
1247 hw_device_descriptor.
1249 Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1251 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1252 right bits and then re-align left hand bytes to correct byte
1253 lanes. Fix incorrect computation in do_store_left when loading
1254 bytes from second word.
1256 Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1258 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1259 * interp.c (sim_open): Only create a device tree when HW is
1262 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1263 * interp.c (signal_exception): Ditto.
1265 Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1267 * gencode.c: Mark BEGEZALL as LIKELY.
1269 Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1271 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1272 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1274 Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1276 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1277 modules. Recognize TX39 target with "mips*tx39" pattern.
1278 * configure: Rebuilt.
1279 * sim-main.h (*): Added many macros defining bits in
1280 TX39 control registers.
1281 (SignalInterrupt): Send actual PC instead of NULL.
1282 (SignalNMIReset): New exception type.
1283 * interp.c (board): New variable for future use to identify
1284 a particular board being simulated.
1285 (mips_option_handler,mips_options): Added "--board" option.
1286 (interrupt_event): Send actual PC.
1287 (sim_open): Make memory layout conditional on board setting.
1288 (signal_exception): Initial implementation of hardware interrupt
1289 handling. Accept another break instruction variant for simulator
1291 (decode_coproc): Implement RFE instruction for TX39.
1292 (mips.igen): Decode RFE instruction as such.
1293 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1294 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1295 bbegin to implement memory map.
1296 * dv-tx3904cpu.c: New file.
1297 * dv-tx3904irc.c: New file.
1299 Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1301 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1303 Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1305 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1306 with calls to check_div_hilo.
1308 Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1310 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1311 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1312 Add special r3900 version of do_mult_hilo.
1313 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1314 with calls to check_mult_hilo.
1315 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1316 with calls to check_div_hilo.
1318 Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1320 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1321 Document a replacement.
1323 Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1325 * interp.c (sim_monitor): Make mon_printf work.
1327 Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1329 * sim-main.h (INSN_NAME): New arg `cpu'.
1331 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1333 * configure: Regenerated to track ../common/aclocal.m4 changes.
1335 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1337 * configure: Regenerated to track ../common/aclocal.m4 changes.
1340 Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1342 * acconfig.h: New file.
1343 * configure.in: Reverted change of Apr 24; use sinclude again.
1345 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1347 * configure: Regenerated to track ../common/aclocal.m4 changes.
1350 Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1352 * configure.in: Don't call sinclude.
1354 Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1356 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1358 Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1360 * mips.igen (ERET): Implement.
1362 * interp.c (decode_coproc): Return sign-extended EPC.
1364 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1366 * interp.c (signal_exception): Do not ignore Trap.
1367 (signal_exception): On TRAP, restart at exception address.
1368 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1369 (signal_exception): Update.
1370 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1371 so that TRAP instructions are caught.
1373 Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1375 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1376 contains HI/LO access history.
1377 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1378 (HIACCESS, LOACCESS): Delete, replace with
1379 (HIHISTORY, LOHISTORY): New macros.
1380 (CHECKHILO): Delete all, moved to mips.igen
1382 * gencode.c (build_instruction): Do not generate checks for
1383 correct HI/LO register usage.
1385 * interp.c (old_engine_run): Delete checks for correct HI/LO
1388 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1389 check_mf_cycles): New functions.
1390 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1391 do_divu, domultx, do_mult, do_multu): Use.
1393 * tx.igen ("madd", "maddu"): Use.
1395 Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1397 * mips.igen (DSRAV): Use function do_dsrav.
1398 (SRAV): Use new function do_srav.
1400 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1401 (B): Sign extend 11 bit immediate.
1402 (EXT-B*): Shift 16 bit immediate left by 1.
1403 (ADDIU*): Don't sign extend immediate value.
1405 Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1407 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1409 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1412 * mips.igen (delayslot32, nullify_next_insn): New functions.
1413 (m16.igen): Always include.
1414 (do_*): Add more tracing.
1416 * m16.igen (delayslot16): Add NIA argument, could be called by a
1417 32 bit MIPS16 instruction.
1419 * interp.c (ifetch16): Move function from here.
1420 * sim-main.c (ifetch16): To here.
1422 * sim-main.c (ifetch16, ifetch32): Update to match current
1423 implementations of LH, LW.
1424 (signal_exception): Don't print out incorrect hex value of illegal
1427 Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1429 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1432 * m16.igen: Implement MIPS16 instructions.
1434 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1435 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1436 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1437 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1438 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1439 bodies of corresponding code from 32 bit insn to these. Also used
1440 by MIPS16 versions of functions.
1442 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1443 (IMEM16): Drop NR argument from macro.
1445 Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1447 * Makefile.in (SIM_OBJS): Add sim-main.o.
1449 * sim-main.h (address_translation, load_memory, store_memory,
1450 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1452 (pr_addr, pr_uword64): Declare.
1453 (sim-main.c): Include when H_REVEALS_MODULE_P.
1455 * interp.c (address_translation, load_memory, store_memory,
1456 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1458 * sim-main.c: To here. Fix compilation problems.
1460 * configure.in: Enable inlining.
1461 * configure: Re-config.
1463 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1465 * configure: Regenerated to track ../common/aclocal.m4 changes.
1467 Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1469 * mips.igen: Include tx.igen.
1470 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1471 * tx.igen: New file, contains MADD and MADDU.
1473 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1474 the hardwired constant `7'.
1475 (store_memory): Ditto.
1476 (LOADDRMASK): Move definition to sim-main.h.
1478 mips.igen (MTC0): Enable for r3900.
1481 mips.igen (do_load_byte): Delete.
1482 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1483 do_store_right): New functions.
1484 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1486 configure.in: Let the tx39 use igen again.
1489 Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1491 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1492 not an address sized quantity. Return zero for cache sizes.
1494 Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1496 * mips.igen (r3900): r3900 does not support 64 bit integer
1499 Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1501 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1503 * configure : Rebuild.
1505 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1507 * configure: Regenerated to track ../common/aclocal.m4 changes.
1509 Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1511 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1513 Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1515 * configure: Regenerated to track ../common/aclocal.m4 changes.
1516 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1518 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1520 * configure: Regenerated to track ../common/aclocal.m4 changes.
1522 Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1524 * interp.c (Max, Min): Comment out functions. Not yet used.
1526 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1528 * configure: Regenerated to track ../common/aclocal.m4 changes.
1530 Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1532 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1533 configurable settings for stand-alone simulator.
1535 * configure.in: Added X11 search, just in case.
1537 * configure: Regenerated.
1539 Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1541 * interp.c (sim_write, sim_read, load_memory, store_memory):
1542 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1544 Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1546 * sim-main.h (GETFCC): Return an unsigned value.
1548 Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1550 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1551 (DADD): Result destination is RD not RT.
1553 Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1555 * sim-main.h (HIACCESS, LOACCESS): Always define.
1557 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1559 * interp.c (sim_info): Delete.
1561 Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1563 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1564 (mips_option_handler): New argument `cpu'.
1565 (sim_open): Update call to sim_add_option_table.
1567 Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1569 * mips.igen (CxC1): Add tracing.
1571 Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1573 * sim-main.h (Max, Min): Declare.
1575 * interp.c (Max, Min): New functions.
1577 * mips.igen (BC1): Add tracing.
1579 Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1581 * interp.c Added memory map for stack in vr4100
1583 Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1585 * interp.c (load_memory): Add missing "break"'s.
1587 Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1589 * interp.c (sim_store_register, sim_fetch_register): Pass in
1590 length parameter. Return -1.
1592 Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1594 * interp.c: Added hardware init hook, fixed warnings.
1596 Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1598 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1600 Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1602 * interp.c (ifetch16): New function.
1604 * sim-main.h (IMEM32): Rename IMEM.
1605 (IMEM16_IMMED): Define.
1607 (DELAY_SLOT): Update.
1609 * m16run.c (sim_engine_run): New file.
1611 * m16.igen: All instructions except LB.
1612 (LB): Call do_load_byte.
1613 * mips.igen (do_load_byte): New function.
1614 (LB): Call do_load_byte.
1616 * mips.igen: Move spec for insn bit size and high bit from here.
1617 * Makefile.in (tmp-igen, tmp-m16): To here.
1619 * m16.dc: New file, decode mips16 instructions.
1621 * Makefile.in (SIM_NO_ALL): Define.
1622 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1624 Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1626 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1627 point unit to 32 bit registers.
1628 * configure: Re-generate.
1630 Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1632 * configure.in (sim_use_gen): Make IGEN the default simulator
1633 generator for generic 32 and 64 bit mips targets.
1634 * configure: Re-generate.
1636 Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1638 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1641 * interp.c (sim_fetch_register, sim_store_register): Read/write
1642 FGR from correct location.
1643 (sim_open): Set size of FGR's according to
1644 WITH_TARGET_FLOATING_POINT_BITSIZE.
1646 * sim-main.h (FGR): Store floating point registers in a separate
1649 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1651 * configure: Regenerated to track ../common/aclocal.m4 changes.
1653 Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1655 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1657 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1659 * interp.c (pending_tick): New function. Deliver pending writes.
1661 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1662 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1663 it can handle mixed sized quantites and single bits.
1665 Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1667 * interp.c (oengine.h): Do not include when building with IGEN.
1668 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1669 (sim_info): Ditto for PROCESSOR_64BIT.
1670 (sim_monitor): Replace ut_reg with unsigned_word.
1671 (*): Ditto for t_reg.
1672 (LOADDRMASK): Define.
1673 (sim_open): Remove defunct check that host FP is IEEE compliant,
1674 using software to emulate floating point.
1675 (value_fpr, ...): Always compile, was conditional on HASFPU.
1677 Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1679 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1682 * interp.c (SD, CPU): Define.
1683 (mips_option_handler): Set flags in each CPU.
1684 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1685 (sim_close): Do not clear STATE, deleted anyway.
1686 (sim_write, sim_read): Assume CPU zero's vm should be used for
1688 (sim_create_inferior): Set the PC for all processors.
1689 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1691 (mips16_entry): Pass correct nr of args to store_word, load_word.
1692 (ColdReset): Cold reset all cpu's.
1693 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1694 (sim_monitor, load_memory, store_memory, signal_exception): Use
1695 `CPU' instead of STATE_CPU.
1698 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1701 * sim-main.h (signal_exception): Add sim_cpu arg.
1702 (SignalException*): Pass both SD and CPU to signal_exception.
1703 * interp.c (signal_exception): Update.
1705 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1707 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1708 address_translation): Ditto
1709 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1711 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1713 * configure: Regenerated to track ../common/aclocal.m4 changes.
1715 Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1717 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1719 * mips.igen (model): Map processor names onto BFD name.
1721 * sim-main.h (CPU_CIA): Delete.
1722 (SET_CIA, GET_CIA): Define
1724 Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1726 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1729 * configure.in (default_endian): Configure a big-endian simulator
1731 * configure: Re-generate.
1733 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1735 * configure: Regenerated to track ../common/aclocal.m4 changes.
1737 Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1739 * interp.c (sim_monitor): Handle Densan monitor outbyte
1740 and inbyte functions.
1742 1997-12-29 Felix Lee <flee@cygnus.com>
1744 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1746 Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1748 * Makefile.in (tmp-igen): Arrange for $zero to always be
1749 reset to zero after every instruction.
1751 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1753 * configure: Regenerated to track ../common/aclocal.m4 changes.
1756 Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1758 * mips.igen (MSUB): Fix to work like MADD.
1759 * gencode.c (MSUB): Similarly.
1761 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1763 * configure: Regenerated to track ../common/aclocal.m4 changes.
1765 Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1767 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1769 Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1771 * sim-main.h (sim-fpu.h): Include.
1773 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1774 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1775 using host independant sim_fpu module.
1777 Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1779 * interp.c (signal_exception): Report internal errors with SIGABRT
1782 * sim-main.h (C0_CONFIG): New register.
1783 (signal.h): No longer include.
1785 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1787 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
1789 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
1791 Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1793 * mips.igen: Tag vr5000 instructions.
1794 (ANDI): Was missing mipsIV model, fix assembler syntax.
1795 (do_c_cond_fmt): New function.
1796 (C.cond.fmt): Handle mips I-III which do not support CC field
1798 (bc1): Handle mips IV which do not have a delaed FCC separatly.
1799 (SDR): Mask paddr when BigEndianMem, not the converse as specified
1801 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
1802 vr5000 which saves LO in a GPR separatly.
1804 * configure.in (enable-sim-igen): For vr5000, select vr5000
1805 specific instructions.
1806 * configure: Re-generate.
1808 Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
1810 * Makefile.in (SIM_OBJS): Add sim-fpu module.
1812 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
1813 fmt_uninterpreted_64 bit cases to switch. Convert to
1816 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
1818 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
1819 as specified in IV3.2 spec.
1820 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
1822 Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1824 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
1825 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
1826 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
1827 PENDING_FILL versions of instructions. Simplify.
1829 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
1831 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
1833 (MTHI, MFHI): Disable code checking HI-LO.
1835 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
1837 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
1839 Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
1841 * gencode.c (build_mips16_operands): Replace IPC with cia.
1843 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
1844 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
1846 (UndefinedResult): Replace function with macro/function
1848 (sim_engine_run): Don't save PC in IPC.
1850 * sim-main.h (IPC): Delete.
1853 * interp.c (signal_exception, store_word, load_word,
1854 address_translation, load_memory, store_memory, cache_op,
1855 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
1856 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
1857 current instruction address - cia - argument.
1858 (sim_read, sim_write): Call address_translation directly.
1859 (sim_engine_run): Rename variable vaddr to cia.
1860 (signal_exception): Pass cia to sim_monitor
1862 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
1863 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
1864 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
1866 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
1867 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
1870 * interp.c (signal_exception): Pass restart address to
1873 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
1874 idecode.o): Add dependency.
1876 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
1878 (DELAY_SLOT): Update NIA not PC with branch address.
1879 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
1881 * mips.igen: Use CIA not PC in branch calculations.
1882 (illegal): Call SignalException.
1883 (BEQ, ADDIU): Fix assembler.
1885 Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1887 * m16.igen (JALX): Was missing.
1889 * configure.in (enable-sim-igen): New configuration option.
1890 * configure: Re-generate.
1892 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
1894 * interp.c (load_memory, store_memory): Delete parameter RAW.
1895 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
1896 bypassing {load,store}_memory.
1898 * sim-main.h (ByteSwapMem): Delete definition.
1900 * Makefile.in (SIM_OBJS): Add sim-memopt module.
1902 * interp.c (sim_do_command, sim_commands): Delete mips specific
1903 commands. Handled by module sim-options.
1905 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
1906 (WITH_MODULO_MEMORY): Define.
1908 * interp.c (sim_info): Delete code printing memory size.
1910 * interp.c (mips_size): Nee sim_size, delete function.
1912 (monitor, monitor_base, monitor_size): Delete global variables.
1913 (sim_open, sim_close): Delete code creating monitor and other
1914 memory regions. Use sim-memopts module, via sim_do_commandf, to
1915 manage memory regions.
1916 (load_memory, store_memory): Use sim-core for memory model.
1918 * interp.c (address_translation): Delete all memory map code
1919 except line forcing 32 bit addresses.
1921 Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1923 * sim-main.h (WITH_TRACE): Delete definition. Enables common
1926 * interp.c (logfh, logfile): Delete globals.
1927 (sim_open, sim_close): Delete code opening & closing log file.
1928 (mips_option_handler): Delete -l and -n options.
1929 (OPTION mips_options): Ditto.
1931 * interp.c (OPTION mips_options): Rename option trace to dinero.
1932 (mips_option_handler): Update.
1934 Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1936 * interp.c (fetch_str): New function.
1937 (sim_monitor): Rewrite using sim_read & sim_write.
1938 (sim_open): Check magic number.
1939 (sim_open): Write monitor vectors into memory using sim_write.
1940 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
1941 (sim_read, sim_write): Simplify - transfer data one byte at a
1943 (load_memory, store_memory): Clarify meaning of parameter RAW.
1945 * sim-main.h (isHOST): Defete definition.
1946 (isTARGET): Mark as depreciated.
1947 (address_translation): Delete parameter HOST.
1949 * interp.c (address_translation): Delete parameter HOST.
1951 Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1955 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
1956 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
1958 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
1960 * mips.igen: Add model filter field to records.
1962 Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1964 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
1966 interp.c (sim_engine_run): Do not compile function sim_engine_run
1967 when WITH_IGEN == 1.
1969 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
1970 target architecture.
1972 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
1973 igen. Replace with configuration variables sim_igen_flags /
1976 * m16.igen: New file. Copy mips16 insns here.
1977 * mips.igen: From here.
1979 Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1981 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
1983 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
1985 Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
1987 * gencode.c (build_instruction): Follow sim_write's lead in using
1988 BigEndianMem instead of !ByteSwapMem.
1990 Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
1992 * configure.in (sim_gen): Dependent on target, select type of
1993 generator. Always select old style generator.
1995 configure: Re-generate.
1997 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
1999 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2000 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2001 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2002 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2003 SIM_@sim_gen@_*, set by autoconf.
2005 Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2007 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2009 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2010 CURRENT_FLOATING_POINT instead.
2012 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2013 (address_translation): Raise exception InstructionFetch when
2014 translation fails and isINSTRUCTION.
2016 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2017 sim_engine_run): Change type of of vaddr and paddr to
2019 (address_translation, prefetch, load_memory, store_memory,
2020 cache_op): Change type of vAddr and pAddr to address_word.
2022 * gencode.c (build_instruction): Change type of vaddr and paddr to
2025 Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2027 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2028 macro to obtain result of ALU op.
2030 Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2032 * interp.c (sim_info): Call profile_print.
2034 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2036 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2038 * sim-main.h (WITH_PROFILE): Do not define, defined in
2039 common/sim-config.h. Use sim-profile module.
2040 (simPROFILE): Delete defintion.
2042 * interp.c (PROFILE): Delete definition.
2043 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2044 (sim_close): Delete code writing profile histogram.
2045 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2047 (sim_engine_run): Delete code profiling the PC.
2049 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2051 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2053 * interp.c (sim_monitor): Make register pointers of type
2056 * sim-main.h: Make registers of type unsigned_word not
2059 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2061 * interp.c (sync_operation): Rename from SyncOperation, make
2062 global, add SD argument.
2063 (prefetch): Rename from Prefetch, make global, add SD argument.
2064 (decode_coproc): Make global.
2066 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2068 * gencode.c (build_instruction): Generate DecodeCoproc not
2069 decode_coproc calls.
2071 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2072 (SizeFGR): Move to sim-main.h
2073 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2074 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2075 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2077 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2078 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2079 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2080 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2081 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2082 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2084 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2086 (sim-alu.h): Include.
2087 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2088 (sim_cia): Typedef to instruction_address.
2090 Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2092 * Makefile.in (interp.o): Rename generated file engine.c to
2097 Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2099 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2101 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2103 * gencode.c (build_instruction): For "FPSQRT", output correct
2104 number of arguments to Recip.
2106 Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2108 * Makefile.in (interp.o): Depends on sim-main.h
2110 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2112 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2113 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2114 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2115 STATE, DSSTATE): Define
2116 (GPR, FGRIDX, ..): Define.
2118 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2119 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2120 (GPR, FGRIDX, ...): Delete macros.
2122 * interp.c: Update names to match defines from sim-main.h
2124 Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2126 * interp.c (sim_monitor): Add SD argument.
2127 (sim_warning): Delete. Replace calls with calls to
2129 (sim_error): Delete. Replace calls with sim_io_error.
2130 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2131 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2132 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2134 (mips_size): Rename from sim_size. Add SD argument.
2136 * interp.c (simulator): Delete global variable.
2137 (callback): Delete global variable.
2138 (mips_option_handler, sim_open, sim_write, sim_read,
2139 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2140 sim_size,sim_monitor): Use sim_io_* not callback->*.
2141 (sim_open): ZALLOC simulator struct.
2142 (PROFILE): Do not define.
2144 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2146 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2147 support.h with corresponding code.
2149 * sim-main.h (word64, uword64), support.h: Move definition to
2151 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2154 * Makefile.in: Update dependencies
2155 * interp.c: Do not include.
2157 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2159 * interp.c (address_translation, load_memory, store_memory,
2160 cache_op): Rename to from AddressTranslation et.al., make global,
2163 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2166 * interp.c (SignalException): Rename to signal_exception, make
2169 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2171 * sim-main.h (SignalException, SignalExceptionInterrupt,
2172 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2173 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2174 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2177 * interp.c, support.h: Use.
2179 Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2181 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2182 to value_fpr / store_fpr. Add SD argument.
2183 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2184 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2186 * sim-main.h (ValueFPR, StoreFPR): Define.
2188 Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2190 * interp.c (sim_engine_run): Check consistency between configure
2191 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2194 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2195 (mips_fpu): Configure WITH_FLOATING_POINT.
2196 (mips_endian): Configure WITH_TARGET_ENDIAN.
2197 * configure: Update.
2199 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2201 * configure: Regenerated to track ../common/aclocal.m4 changes.
2203 Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2205 * configure: Regenerated.
2207 Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2209 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2211 Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2213 * gencode.c (print_igen_insn_models): Assume certain architectures
2214 include all mips* instructions.
2215 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2218 * Makefile.in (tmp.igen): Add target. Generate igen input from
2221 * gencode.c (FEATURE_IGEN): Define.
2222 (main): Add --igen option. Generate output in igen format.
2223 (process_instructions): Format output according to igen option.
2224 (print_igen_insn_format): New function.
2225 (print_igen_insn_models): New function.
2226 (process_instructions): Only issue warnings and ignore
2227 instructions when no FEATURE_IGEN.
2229 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2231 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2234 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2236 * configure: Regenerated to track ../common/aclocal.m4 changes.
2238 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2240 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2241 SIM_RESERVED_BITS): Delete, moved to common.
2242 (SIM_EXTRA_CFLAGS): Update.
2244 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2246 * configure.in: Configure non-strict memory alignment.
2247 * configure: Regenerated to track ../common/aclocal.m4 changes.
2249 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2251 * configure: Regenerated to track ../common/aclocal.m4 changes.
2253 Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2255 * gencode.c (SDBBP,DERET): Added (3900) insns.
2256 (RFE): Turn on for 3900.
2257 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2258 (dsstate): Made global.
2259 (SUBTARGET_R3900): Added.
2260 (CANCELDELAYSLOT): New.
2261 (SignalException): Ignore SystemCall rather than ignore and
2262 terminate. Add DebugBreakPoint handling.
2263 (decode_coproc): New insns RFE, DERET; and new registers Debug
2264 and DEPC protected by SUBTARGET_R3900.
2265 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2267 * Makefile.in,configure.in: Add mips subtarget option.
2268 * configure: Update.
2270 Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2272 * gencode.c: Add r3900 (tx39).
2275 Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2277 * gencode.c (build_instruction): Don't need to subtract 4 for
2280 Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2282 * interp.c: Correct some HASFPU problems.
2284 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2286 * configure: Regenerated to track ../common/aclocal.m4 changes.
2288 Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2290 * interp.c (mips_options): Fix samples option short form, should
2293 Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2295 * interp.c (sim_info): Enable info code. Was just returning.
2297 Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2299 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2302 Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2304 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2306 (build_instruction): Ditto for LL.
2308 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2310 * configure: Regenerated to track ../common/aclocal.m4 changes.
2312 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2314 * configure: Regenerated to track ../common/aclocal.m4 changes.
2317 Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2319 * interp.c (sim_open): Add call to sim_analyze_program, update
2322 Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2324 * interp.c (sim_kill): Delete.
2325 (sim_create_inferior): Add ABFD argument. Set PC from same.
2326 (sim_load): Move code initializing trap handlers from here.
2327 (sim_open): To here.
2328 (sim_load): Delete, use sim-hload.c.
2330 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2332 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2334 * configure: Regenerated to track ../common/aclocal.m4 changes.
2337 Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2339 * interp.c (sim_open): Add ABFD argument.
2340 (sim_load): Move call to sim_config from here.
2341 (sim_open): To here. Check return status.
2343 Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2345 * gencode.c (build_instruction): Two arg MADD should
2346 not assign result to $0.
2348 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2350 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2351 * sim/mips/configure.in: Regenerate.
2353 Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2355 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2356 signed8, unsigned8 et.al. types.
2358 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2359 hosts when selecting subreg.
2361 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2363 * interp.c (sim_engine_run): Reset the ZERO register to zero
2364 regardless of FEATURE_WARN_ZERO.
2365 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2367 Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2369 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2370 (SignalException): For BreakPoints ignore any mode bits and just
2372 (SignalException): Always set the CAUSE register.
2374 Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2376 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2377 exception has been taken.
2379 * interp.c: Implement the ERET and mt/f sr instructions.
2381 Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2383 * interp.c (SignalException): Don't bother restarting an
2386 Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2388 * interp.c (SignalException): Really take an interrupt.
2389 (interrupt_event): Only deliver interrupts when enabled.
2391 Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2393 * interp.c (sim_info): Only print info when verbose.
2394 (sim_info) Use sim_io_printf for output.
2396 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2398 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2401 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2403 * interp.c (sim_do_command): Check for common commands if a
2404 simulator specific command fails.
2406 Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2408 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2409 and simBE when DEBUG is defined.
2411 Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2413 * interp.c (interrupt_event): New function. Pass exception event
2414 onto exception handler.
2416 * configure.in: Check for stdlib.h.
2417 * configure: Regenerate.
2419 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2420 variable declaration.
2421 (build_instruction): Initialize memval1.
2422 (build_instruction): Add UNUSED attribute to byte, bigend,
2424 (build_operands): Ditto.
2426 * interp.c: Fix GCC warnings.
2427 (sim_get_quit_code): Delete.
2429 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2430 * Makefile.in: Ditto.
2431 * configure: Re-generate.
2433 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2435 Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2437 * interp.c (mips_option_handler): New function parse argumes using
2439 (myname): Replace with STATE_MY_NAME.
2440 (sim_open): Delete check for host endianness - performed by
2442 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2443 (sim_open): Move much of the initialization from here.
2444 (sim_load): To here. After the image has been loaded and
2446 (sim_open): Move ColdReset from here.
2447 (sim_create_inferior): To here.
2448 (sim_open): Make FP check less dependant on host endianness.
2450 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2452 * interp.c (sim_set_callbacks): Delete.
2454 * interp.c (membank, membank_base, membank_size): Replace with
2455 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2456 (sim_open): Remove call to callback->init. gdb/run do this.
2460 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2462 * interp.c (big_endian_p): Delete, replaced by
2463 current_target_byte_order.
2465 Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2467 * interp.c (host_read_long, host_read_word, host_swap_word,
2468 host_swap_long): Delete. Using common sim-endian.
2469 (sim_fetch_register, sim_store_register): Use H2T.
2470 (pipeline_ticks): Delete. Handled by sim-events.
2472 (sim_engine_run): Update.
2474 Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2476 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2478 (SignalException): To here. Signal using sim_engine_halt.
2479 (sim_stop_reason): Delete, moved to common.
2481 Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2483 * interp.c (sim_open): Add callback argument.
2484 (sim_set_callbacks): Delete SIM_DESC argument.
2487 Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2489 * Makefile.in (SIM_OBJS): Add common modules.
2491 * interp.c (sim_set_callbacks): Also set SD callback.
2492 (set_endianness, xfer_*, swap_*): Delete.
2493 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2494 Change to functions using sim-endian macros.
2495 (control_c, sim_stop): Delete, use common version.
2496 (simulate): Convert into.
2497 (sim_engine_run): This function.
2498 (sim_resume): Delete.
2500 * interp.c (simulation): New variable - the simulator object.
2501 (sim_kind): Delete global - merged into simulation.
2502 (sim_load): Cleanup. Move PC assignment from here.
2503 (sim_create_inferior): To here.
2505 * sim-main.h: New file.
2506 * interp.c (sim-main.h): Include.
2508 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2510 * configure: Regenerated to track ../common/aclocal.m4 changes.
2512 Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2514 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2516 Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2518 * gencode.c (build_instruction): DIV instructions: check
2519 for division by zero and integer overflow before using
2520 host's division operation.
2522 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2524 * Makefile.in (SIM_OBJS): Add sim-load.o.
2525 * interp.c: #include bfd.h.
2526 (target_byte_order): Delete.
2527 (sim_kind, myname, big_endian_p): New static locals.
2528 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2529 after argument parsing. Recognize -E arg, set endianness accordingly.
2530 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2531 load file into simulator. Set PC from bfd.
2532 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2533 (set_endianness): Use big_endian_p instead of target_byte_order.
2535 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2537 * interp.c (sim_size): Delete prototype - conflicts with
2538 definition in remote-sim.h. Correct definition.
2540 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2542 * configure: Regenerated to track ../common/aclocal.m4 changes.
2545 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2547 * interp.c (sim_open): New arg `kind'.
2549 * configure: Regenerated to track ../common/aclocal.m4 changes.
2551 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2553 * configure: Regenerated to track ../common/aclocal.m4 changes.
2555 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2557 * interp.c (sim_open): Set optind to 0 before calling getopt.
2559 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2561 * configure: Regenerated to track ../common/aclocal.m4 changes.
2563 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2565 * interp.c : Replace uses of pr_addr with pr_uword64
2566 where the bit length is always 64 independent of SIM_ADDR.
2567 (pr_uword64) : added.
2569 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2571 * configure: Re-generate.
2573 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2575 * configure: Regenerate to track ../common/aclocal.m4 changes.
2577 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2579 * interp.c (sim_open): New SIM_DESC result. Argument is now
2581 (other sim_*): New SIM_DESC argument.
2583 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2585 * interp.c: Fix printing of addresses for non-64-bit targets.
2586 (pr_addr): Add function to print address based on size.
2588 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2590 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2592 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2594 * gencode.c (build_mips16_operands): Correct computation of base
2595 address for extended PC relative instruction.
2597 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2599 * interp.c (mips16_entry): Add support for floating point cases.
2600 (SignalException): Pass floating point cases to mips16_entry.
2601 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2603 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2605 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2606 and then set the state to fmt_uninterpreted.
2607 (COP_SW): Temporarily set the state to fmt_word while calling
2610 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2612 * gencode.c (build_instruction): The high order may be set in the
2613 comparison flags at any ISA level, not just ISA 4.
2615 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2617 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2618 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2619 * configure.in: sinclude ../common/aclocal.m4.
2620 * configure: Regenerated.
2622 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2624 * configure: Rebuild after change to aclocal.m4.
2626 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2628 * configure configure.in Makefile.in: Update to new configure
2629 scheme which is more compatible with WinGDB builds.
2630 * configure.in: Improve comment on how to run autoconf.
2631 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2632 * Makefile.in: Use autoconf substitution to install common
2635 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2637 * gencode.c (build_instruction): Use BigEndianCPU instead of
2640 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2642 * interp.c (sim_monitor): Make output to stdout visible in
2643 wingdb's I/O log window.
2645 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2647 * support.h: Undo previous change to SIGTRAP
2650 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2652 * interp.c (store_word, load_word): New static functions.
2653 (mips16_entry): New static function.
2654 (SignalException): Look for mips16 entry and exit instructions.
2655 (simulate): Use the correct index when setting fpr_state after
2656 doing a pending move.
2658 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2660 * interp.c: Fix byte-swapping code throughout to work on
2661 both little- and big-endian hosts.
2663 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2665 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2666 with gdb/config/i386/xm-windows.h.
2668 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2670 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2671 that messes up arithmetic shifts.
2673 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2675 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2676 SIGTRAP and SIGQUIT for _WIN32.
2678 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2680 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2681 force a 64 bit multiplication.
2682 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2683 destination register is 0, since that is the default mips16 nop
2686 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2688 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2689 (build_endian_shift): Don't check proc64.
2690 (build_instruction): Always set memval to uword64. Cast op2 to
2691 uword64 when shifting it left in memory instructions. Always use
2692 the same code for stores--don't special case proc64.
2694 * gencode.c (build_mips16_operands): Fix base PC value for PC
2696 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2698 * interp.c (simJALDELAYSLOT): Define.
2699 (JALDELAYSLOT): Define.
2700 (INDELAYSLOT, INJALDELAYSLOT): Define.
2701 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2703 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2705 * interp.c (sim_open): add flush_cache as a PMON routine
2706 (sim_monitor): handle flush_cache by ignoring it
2708 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2710 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2712 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2713 (BigEndianMem): Rename to ByteSwapMem and change sense.
2714 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2715 BigEndianMem references to !ByteSwapMem.
2716 (set_endianness): New function, with prototype.
2717 (sim_open): Call set_endianness.
2718 (sim_info): Use simBE instead of BigEndianMem.
2719 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2720 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2721 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2722 ifdefs, keeping the prototype declaration.
2723 (swap_word): Rewrite correctly.
2724 (ColdReset): Delete references to CONFIG. Delete endianness related
2725 code; moved to set_endianness.
2727 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2729 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2730 * interp.c (CHECKHILO): Define away.
2731 (simSIGINT): New macro.
2732 (membank_size): Increase from 1MB to 2MB.
2733 (control_c): New function.
2734 (sim_resume): Rename parameter signal to signal_number. Add local
2735 variable prev. Call signal before and after simulate.
2736 (sim_stop_reason): Add simSIGINT support.
2737 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2739 (sim_warning): Delete call to SignalException. Do call printf_filtered
2741 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2742 a call to sim_warning.
2744 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2746 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2747 16 bit instructions.
2749 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2751 Add support for mips16 (16 bit MIPS implementation):
2752 * gencode.c (inst_type): Add mips16 instruction encoding types.
2753 (GETDATASIZEINSN): Define.
2754 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2755 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2757 (MIPS16_DECODE): New table, for mips16 instructions.
2758 (bitmap_val): New static function.
2759 (struct mips16_op): Define.
2760 (mips16_op_table): New table, for mips16 operands.
2761 (build_mips16_operands): New static function.
2762 (process_instructions): If PC is odd, decode a mips16
2763 instruction. Break out instruction handling into new
2764 build_instruction function.
2765 (build_instruction): New static function, broken out of
2766 process_instructions. Check modifiers rather than flags for SHIFT
2767 bit count and m[ft]{hi,lo} direction.
2768 (usage): Pass program name to fprintf.
2769 (main): Remove unused variable this_option_optind. Change
2770 ``*loptarg++'' to ``loptarg++''.
2771 (my_strtoul): Parenthesize && within ||.
2772 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2773 (simulate): If PC is odd, fetch a 16 bit instruction, and
2774 increment PC by 2 rather than 4.
2775 * configure.in: Add case for mips16*-*-*.
2776 * configure: Rebuild.
2778 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2780 * interp.c: Allow -t to enable tracing in standalone simulator.
2781 Fix garbage output in trace file and error messages.
2783 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2785 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2786 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2787 * configure.in: Simplify using macros in ../common/aclocal.m4.
2788 * configure: Regenerated.
2789 * tconfig.in: New file.
2791 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
2793 * interp.c: Fix bugs in 64-bit port.
2794 Use ansi function declarations for msvc compiler.
2795 Initialize and test file pointer in trace code.
2796 Prevent duplicate definition of LAST_EMED_REGNUM.
2798 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
2800 * interp.c (xfer_big_long): Prevent unwanted sign extension.
2802 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
2804 * interp.c (SignalException): Check for explicit terminating
2806 * gencode.c: Pass instruction value through SignalException()
2807 calls for Trap, Breakpoint and Syscall.
2809 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2811 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
2812 only used on those hosts that provide it.
2813 * configure.in: Add sqrt() to list of functions to be checked for.
2814 * config.in: Re-generated.
2815 * configure: Re-generated.
2817 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
2819 * gencode.c (process_instructions): Call build_endian_shift when
2820 expanding STORE RIGHT, to fix swr.
2821 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
2822 clear the high bits.
2823 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
2824 Fix float to int conversions to produce signed values.
2826 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
2828 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
2829 (process_instructions): Correct handling of nor instruction.
2830 Correct shift count for 32 bit shift instructions. Correct sign
2831 extension for arithmetic shifts to not shift the number of bits in
2832 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
2833 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
2835 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
2836 It's OK to have a mult follow a mult. What's not OK is to have a
2837 mult follow an mfhi.
2838 (Convert): Comment out incorrect rounding code.
2840 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
2842 * interp.c (sim_monitor): Improved monitor printf
2843 simulation. Tidied up simulator warnings, and added "--log" option
2844 for directing warning message output.
2845 * gencode.c: Use sim_warning() rather than WARNING macro.
2847 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
2849 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
2850 getopt1.o, rather than on gencode.c. Link objects together.
2851 Don't link against -liberty.
2852 (gencode.o, getopt.o, getopt1.o): New targets.
2853 * gencode.c: Include <ctype.h> and "ansidecl.h".
2854 (AND): Undefine after including "ansidecl.h".
2855 (ULONG_MAX): Define if not defined.
2856 (OP_*): Don't define macros; now defined in opcode/mips.h.
2857 (main): Call my_strtoul rather than strtoul.
2858 (my_strtoul): New static function.
2860 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
2862 * gencode.c (process_instructions): Generate word64 and uword64
2863 instead of `long long' and `unsigned long long' data types.
2864 * interp.c: #include sysdep.h to get signals, and define default
2866 * (Convert): Work around for Visual-C++ compiler bug with type
2868 * support.h: Make things compile under Visual-C++ by using
2869 __int64 instead of `long long'. Change many refs to long long
2870 into word64/uword64 typedefs.
2872 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
2874 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
2875 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
2877 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
2878 (AC_PROG_INSTALL): Added.
2879 (AC_PROG_CC): Moved to before configure.host call.
2880 * configure: Rebuilt.
2882 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
2884 * configure.in: Define @SIMCONF@ depending on mips target.
2885 * configure: Rebuild.
2886 * Makefile.in (run): Add @SIMCONF@ to control simulator
2888 * gencode.c: Change LOADDRMASK to 64bit memory model only.
2889 * interp.c: Remove some debugging, provide more detailed error
2890 messages, update memory accesses to use LOADDRMASK.
2892 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
2894 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
2895 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
2897 * configure: Rebuild.
2898 * config.in: New file, generated by autoheader.
2899 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
2900 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
2901 HAVE_ANINT and HAVE_AINT, as appropriate.
2902 * Makefile.in (run): Use @LIBS@ rather than -lm.
2903 (interp.o): Depend upon config.h.
2904 (Makefile): Just rebuild Makefile.
2905 (clean): Remove stamp-h.
2906 (mostlyclean): Make the same as clean, not as distclean.
2907 (config.h, stamp-h): New targets.
2909 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2911 * interp.c (ColdReset): Fix boolean test. Make all simulator
2914 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
2916 * interp.c (xfer_direct_word, xfer_direct_long,
2917 swap_direct_word, swap_direct_long, xfer_big_word,
2918 xfer_big_long, xfer_little_word, xfer_little_long,
2919 swap_word,swap_long): Added.
2920 * interp.c (ColdReset): Provide function indirection to
2921 host<->simulated_target transfer routines.
2922 * interp.c (sim_store_register, sim_fetch_register): Updated to
2923 make use of indirected transfer routines.
2925 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
2927 * gencode.c (process_instructions): Ensure FP ABS instruction
2929 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
2930 system call support.
2932 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
2934 * interp.c (sim_do_command): Complain if callback structure not
2937 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
2939 * interp.c (Convert): Provide round-to-nearest and round-to-zero
2940 support for Sun hosts.
2941 * Makefile.in (gencode): Ensure the host compiler and libraries
2942 used for cross-hosted build.
2944 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
2946 * interp.c, gencode.c: Some more (TODO) tidying.
2948 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
2950 * gencode.c, interp.c: Replaced explicit long long references with
2951 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
2952 * support.h (SET64LO, SET64HI): Macros added.
2954 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
2956 * configure: Regenerate with autoconf 2.7.
2958 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
2960 * interp.c (LoadMemory): Enclose text following #endif in /* */.
2961 * support.h: Remove superfluous "1" from #if.
2962 * support.h (CHECKSIM): Remove stray 'a' at end of line.
2964 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
2966 * interp.c (StoreFPR): Control UndefinedResult() call on
2967 WARN_RESULT manifest.
2969 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
2971 * gencode.c: Tidied instruction decoding, and added FP instruction
2974 * interp.c: Added dineroIII, and BSD profiling support. Also
2975 run-time FP handling.
2977 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
2979 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
2980 gencode.c, interp.c, support.h: created.