1 2004-06-25 Chris Demetriou <cgd@broadcom.com>
3 * configure.in (sim_m16_machine): Include mipsIII.
4 * configure: Regenerate.
6 2004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
10 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
12 2004-04-10 Chris Demetriou <cgd@broadcom.com>
14 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
16 2004-04-09 Chris Demetriou <cgd@broadcom.com>
18 * mips.igen (check_fmt): Remove.
19 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
20 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
21 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
22 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
23 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
24 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
25 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
26 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
27 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
28 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
30 2004-04-09 Chris Demetriou <cgd@broadcom.com>
32 * sb1.igen (check_sbx): New function.
33 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
35 2004-03-29 Chris Demetriou <cgd@broadcom.com>
36 Richard Sandiford <rsandifo@redhat.com>
38 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
39 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
40 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
41 separate implementations for mipsIV and mipsV. Use new macros to
42 determine whether the restrictions apply.
44 2004-01-19 Chris Demetriou <cgd@broadcom.com>
46 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
47 (check_mult_hilo): Improve comments.
48 (check_div_hilo): Likewise. Also, fork off a new version
49 to handle mips32/mips64 (since there are no hazards to check
52 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
54 * mips.igen (do_dmultx): Fix check for negative operands.
56 2003-05-16 Ian Lance Taylor <ian@airs.com>
58 * Makefile.in (SHELL): Make sure this is defined.
59 (various): Use $(SHELL) whenever we invoke move-if-change.
61 2003-05-03 Chris Demetriou <cgd@broadcom.com>
63 * cp1.c: Tweak attribution slightly.
66 * mdmx.igen: Likewise.
67 * mips3d.igen: Likewise.
70 2003-04-15 Richard Sandiford <rsandifo@redhat.com>
72 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
75 2003-02-27 Andrew Cagney <cagney@redhat.com>
77 * interp.c (sim_open): Rename _bfd to bfd.
78 (sim_create_inferior): Ditto.
80 2003-01-14 Chris Demetriou <cgd@broadcom.com>
82 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
84 2003-01-14 Chris Demetriou <cgd@broadcom.com>
86 * mips.igen (EI, DI): Remove.
88 2003-01-05 Richard Sandiford <rsandifo@redhat.com>
90 * Makefile.in (tmp-run-multi): Fix mips16 filter.
92 2003-01-04 Richard Sandiford <rsandifo@redhat.com>
93 Andrew Cagney <ac131313@redhat.com>
94 Gavin Romig-Koch <gavin@redhat.com>
95 Graydon Hoare <graydon@redhat.com>
96 Aldy Hernandez <aldyh@redhat.com>
97 Dave Brolley <brolley@redhat.com>
98 Chris Demetriou <cgd@broadcom.com>
100 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
101 (sim_mach_default): New variable.
102 (mips64vr-*-*, mips64vrel-*-*): New configurations.
103 Add a new simulator generator, MULTI.
104 * configure: Regenerate.
105 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
106 (multi-run.o): New dependency.
107 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
108 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
109 (tmp-multi): Combine them.
110 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
111 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
112 (distclean-extra): New rule.
113 * sim-main.h: Include bfd.h.
114 (MIPS_MACH): New macro.
115 * mips.igen (vr4120, vr5400, vr5500): New models.
116 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
117 * vr.igen: Replace with new version.
119 2003-01-04 Chris Demetriou <cgd@broadcom.com>
121 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
122 * configure: Regenerate.
124 2002-12-31 Chris Demetriou <cgd@broadcom.com>
126 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
127 * mips.igen: Remove all invocations of check_branch_bug and
130 2002-12-16 Chris Demetriou <cgd@broadcom.com>
132 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
134 2002-07-30 Chris Demetriou <cgd@broadcom.com>
136 * mips.igen (do_load_double, do_store_double): New functions.
137 (LDC1, SDC1): Rename to...
138 (LDC1b, SDC1b): respectively.
139 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
141 2002-07-29 Michael Snyder <msnyder@redhat.com>
143 * cp1.c (fp_recip2): Modify initialization expression so that
144 GCC will recognize it as constant.
146 2002-06-18 Chris Demetriou <cgd@broadcom.com>
148 * mdmx.c (SD_): Delete.
149 (Unpredictable): Re-define, for now, to directly invoke
150 unpredictable_action().
151 (mdmx_acc_op): Fix error in .ob immediate handling.
153 2002-06-18 Andrew Cagney <cagney@redhat.com>
155 * interp.c (sim_firmware_command): Initialize `address'.
157 2002-06-16 Andrew Cagney <ac131313@redhat.com>
159 * configure: Regenerated to track ../common/aclocal.m4 changes.
161 2002-06-14 Chris Demetriou <cgd@broadcom.com>
162 Ed Satterthwaite <ehs@broadcom.com>
164 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
165 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
166 * mips.igen: Include mips3d.igen.
167 (mips3d): New model name for MIPS-3D ASE instructions.
168 (CVT.W.fmt): Don't use this instruction for word (source) format
170 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
171 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
172 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
173 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
174 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
175 (RSquareRoot1, RSquareRoot2): New macros.
176 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
177 (fp_rsqrt2): New functions.
178 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
179 * configure: Regenerate.
181 2002-06-13 Chris Demetriou <cgd@broadcom.com>
182 Ed Satterthwaite <ehs@broadcom.com>
184 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
185 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
186 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
187 (convert): Note that this function is not used for paired-single
189 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
190 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
191 (check_fmt_p): Enable paired-single support.
192 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
193 (PUU.PS): New instructions.
194 (CVT.S.fmt): Don't use this instruction for paired-single format
196 * sim-main.h (FP_formats): New value 'fmt_ps.'
197 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
198 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
200 2002-06-12 Chris Demetriou <cgd@broadcom.com>
202 * mips.igen: Fix formatting of function calls in
205 2002-06-12 Chris Demetriou <cgd@broadcom.com>
207 * mips.igen (MOVN, MOVZ): Trace result.
208 (TNEI): Print "tnei" as the opcode name in traces.
209 (CEIL.W): Add disassembly string for traces.
210 (RSQRT.fmt): Make location of disassembly string consistent
211 with other instructions.
213 2002-06-12 Chris Demetriou <cgd@broadcom.com>
215 * mips.igen (X): Delete unused function.
217 2002-06-08 Andrew Cagney <cagney@redhat.com>
219 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
221 2002-06-07 Chris Demetriou <cgd@broadcom.com>
222 Ed Satterthwaite <ehs@broadcom.com>
224 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
225 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
226 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
227 (fp_nmsub): New prototypes.
228 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
229 (NegMultiplySub): New defines.
230 * mips.igen (RSQRT.fmt): Use RSquareRoot().
231 (MADD.D, MADD.S): Replace with...
232 (MADD.fmt): New instruction.
233 (MSUB.D, MSUB.S): Replace with...
234 (MSUB.fmt): New instruction.
235 (NMADD.D, NMADD.S): Replace with...
236 (NMADD.fmt): New instruction.
237 (NMSUB.D, MSUB.S): Replace with...
238 (NMSUB.fmt): New instruction.
240 2002-06-07 Chris Demetriou <cgd@broadcom.com>
241 Ed Satterthwaite <ehs@broadcom.com>
243 * cp1.c: Fix more comment spelling and formatting.
244 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
245 (denorm_mode): New function.
246 (fpu_unary, fpu_binary): Round results after operation, collect
247 status from rounding operations, and update the FCSR.
248 (convert): Collect status from integer conversions and rounding
249 operations, and update the FCSR. Adjust NaN values that result
250 from conversions. Convert to use sim_io_eprintf rather than
251 fprintf, and remove some debugging code.
252 * cp1.h (fenr_FS): New define.
254 2002-06-07 Chris Demetriou <cgd@broadcom.com>
256 * cp1.c (convert): Remove unusable debugging code, and move MIPS
257 rounding mode to sim FP rounding mode flag conversion code into...
258 (rounding_mode): New function.
260 2002-06-07 Chris Demetriou <cgd@broadcom.com>
262 * cp1.c: Clean up formatting of a few comments.
263 (value_fpr): Reformat switch statement.
265 2002-06-06 Chris Demetriou <cgd@broadcom.com>
266 Ed Satterthwaite <ehs@broadcom.com>
269 * sim-main.h: Include cp1.h.
270 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
271 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
272 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
273 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
274 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
275 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
276 * cp1.c: Don't include sim-fpu.h; already included by
277 sim-main.h. Clean up formatting of some comments.
278 (NaN, Equal, Less): Remove.
279 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
280 (fp_cmp): New functions.
281 * mips.igen (do_c_cond_fmt): Remove.
282 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
283 Compare. Add result tracing.
284 (CxC1): Remove, replace with...
285 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
286 (DMxC1): Remove, replace with...
287 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
288 (MxC1): Remove, replace with...
289 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
291 2002-06-04 Chris Demetriou <cgd@broadcom.com>
293 * sim-main.h (FGRIDX): Remove, replace all uses with...
294 (FGR_BASE): New macro.
295 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
296 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
297 (NR_FGR, FGR): Likewise.
298 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
299 * mips.igen: Likewise.
301 2002-06-04 Chris Demetriou <cgd@broadcom.com>
303 * cp1.c: Add an FSF Copyright notice to this file.
305 2002-06-04 Chris Demetriou <cgd@broadcom.com>
306 Ed Satterthwaite <ehs@broadcom.com>
308 * cp1.c (Infinity): Remove.
309 * sim-main.h (Infinity): Likewise.
311 * cp1.c (fp_unary, fp_binary): New functions.
312 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
313 (fp_sqrt): New functions, implemented in terms of the above.
314 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
315 (Recip, SquareRoot): Remove (replaced by functions above).
316 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
317 (fp_recip, fp_sqrt): New prototypes.
318 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
319 (Recip, SquareRoot): Replace prototypes with #defines which
320 invoke the functions above.
322 2002-06-03 Chris Demetriou <cgd@broadcom.com>
324 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
325 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
326 file, remove PARAMS from prototypes.
327 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
328 simulator state arguments.
329 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
330 pass simulator state arguments.
331 * cp1.c (SD): Redefine as CPU_STATE(cpu).
332 (store_fpr, convert): Remove 'sd' argument.
333 (value_fpr): Likewise. Convert to use 'SD' instead.
335 2002-06-03 Chris Demetriou <cgd@broadcom.com>
337 * cp1.c (Min, Max): Remove #if 0'd functions.
338 * sim-main.h (Min, Max): Remove.
340 2002-06-03 Chris Demetriou <cgd@broadcom.com>
342 * cp1.c: fix formatting of switch case and default labels.
343 * interp.c: Likewise.
344 * sim-main.c: Likewise.
346 2002-06-03 Chris Demetriou <cgd@broadcom.com>
348 * cp1.c: Clean up comments which describe FP formats.
349 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
351 2002-06-03 Chris Demetriou <cgd@broadcom.com>
352 Ed Satterthwaite <ehs@broadcom.com>
354 * configure.in (mipsisa64sb1*-*-*): New target for supporting
355 Broadcom SiByte SB-1 processor configurations.
356 * configure: Regenerate.
357 * sb1.igen: New file.
358 * mips.igen: Include sb1.igen.
360 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
361 * mdmx.igen: Add "sb1" model to all appropriate functions and
363 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
364 (ob_func, ob_acc): Reference the above.
365 (qh_acc): Adjust to keep the same size as ob_acc.
366 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
367 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
369 2002-06-03 Chris Demetriou <cgd@broadcom.com>
371 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
373 2002-06-02 Chris Demetriou <cgd@broadcom.com>
374 Ed Satterthwaite <ehs@broadcom.com>
376 * mips.igen (mdmx): New (pseudo-)model.
377 * mdmx.c, mdmx.igen: New files.
378 * Makefile.in (SIM_OBJS): Add mdmx.o.
379 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
381 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
382 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
383 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
384 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
385 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
386 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
387 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
388 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
389 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
390 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
391 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
392 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
393 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
394 (qh_fmtsel): New macros.
395 (_sim_cpu): New member "acc".
396 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
397 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
399 2002-05-01 Chris Demetriou <cgd@broadcom.com>
401 * interp.c: Use 'deprecated' rather than 'depreciated.'
402 * sim-main.h: Likewise.
404 2002-05-01 Chris Demetriou <cgd@broadcom.com>
406 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
407 which wouldn't compile anyway.
408 * sim-main.h (unpredictable_action): New function prototype.
409 (Unpredictable): Define to call igen function unpredictable().
410 (NotWordValue): New macro to call igen function not_word_value().
411 (UndefinedResult): Remove.
412 * interp.c (undefined_result): Remove.
413 (unpredictable_action): New function.
414 * mips.igen (not_word_value, unpredictable): New functions.
415 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
416 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
417 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
418 NotWordValue() to check for unpredictable inputs, then
419 Unpredictable() to handle them.
421 2002-02-24 Chris Demetriou <cgd@broadcom.com>
423 * mips.igen: Fix formatting of calls to Unpredictable().
425 2002-04-20 Andrew Cagney <ac131313@redhat.com>
427 * interp.c (sim_open): Revert previous change.
429 2002-04-18 Alexandre Oliva <aoliva@redhat.com>
431 * interp.c (sim_open): Disable chunk of code that wrote code in
432 vector table entries.
434 2002-03-19 Chris Demetriou <cgd@broadcom.com>
436 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
437 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
440 2002-03-19 Chris Demetriou <cgd@broadcom.com>
442 * cp1.c: Fix many formatting issues.
444 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
446 * cp1.c (fpu_format_name): New function to replace...
447 (DOFMT): This. Delete, and update all callers.
448 (fpu_rounding_mode_name): New function to replace...
449 (RMMODE): This. Delete, and update all callers.
451 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
453 * interp.c: Move FPU support routines from here to...
454 * cp1.c: Here. New file.
455 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
458 2002-03-12 Chris Demetriou <cgd@broadcom.com>
460 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
461 * mips.igen (mips32, mips64): New models, add to all instructions
462 and functions as appropriate.
463 (loadstore_ea, check_u64): New variant for model mips64.
464 (check_fmt_p): New variant for models mipsV and mips64, remove
465 mipsV model marking fro other variant.
468 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
469 for mips32 and mips64.
470 (DCLO, DCLZ): New instructions for mips64.
472 2002-03-07 Chris Demetriou <cgd@broadcom.com>
474 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
475 immediate or code as a hex value with the "%#lx" format.
476 (ANDI): Likewise, and fix printed instruction name.
478 2002-03-05 Chris Demetriou <cgd@broadcom.com>
480 * sim-main.h (UndefinedResult, Unpredictable): New macros
481 which currently do nothing.
483 2002-03-05 Chris Demetriou <cgd@broadcom.com>
485 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
486 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
487 (status_CU3): New definitions.
489 * sim-main.h (ExceptionCause): Add new values for MIPS32
490 and MIPS64: MDMX, MCheck, CacheErr. Update comments
491 for DebugBreakPoint and NMIReset to note their status in
493 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
494 (SignalExceptionCacheErr): New exception macros.
496 2002-03-05 Chris Demetriou <cgd@broadcom.com>
498 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
499 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
501 (SignalExceptionCoProcessorUnusable): Take as argument the
502 unusable coprocessor number.
504 2002-03-05 Chris Demetriou <cgd@broadcom.com>
506 * mips.igen: Fix formatting of all SignalException calls.
508 2002-03-05 Chris Demetriou <cgd@broadcom.com>
510 * sim-main.h (SIGNEXTEND): Remove.
512 2002-03-04 Chris Demetriou <cgd@broadcom.com>
514 * mips.igen: Remove gencode comment from top of file, fix
515 spelling in another comment.
517 2002-03-04 Chris Demetriou <cgd@broadcom.com>
519 * mips.igen (check_fmt, check_fmt_p): New functions to check
520 whether specific floating point formats are usable.
521 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
522 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
523 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
524 Use the new functions.
525 (do_c_cond_fmt): Remove format checks...
526 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
528 2002-03-03 Chris Demetriou <cgd@broadcom.com>
530 * mips.igen: Fix formatting of check_fpu calls.
532 2002-03-03 Chris Demetriou <cgd@broadcom.com>
534 * mips.igen (FLOOR.L.fmt): Store correct destination register.
536 2002-03-03 Chris Demetriou <cgd@broadcom.com>
538 * mips.igen: Remove whitespace at end of lines.
540 2002-03-02 Chris Demetriou <cgd@broadcom.com>
542 * mips.igen (loadstore_ea): New function to do effective
543 address calculations.
544 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
545 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
546 CACHE): Use loadstore_ea to do effective address computations.
548 2002-03-02 Chris Demetriou <cgd@broadcom.com>
550 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
551 * mips.igen (LL, CxC1, MxC1): Likewise.
553 2002-03-02 Chris Demetriou <cgd@broadcom.com>
555 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
556 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
557 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
558 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
559 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
560 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
561 Don't split opcode fields by hand, use the opcode field values
564 2002-03-01 Chris Demetriou <cgd@broadcom.com>
566 * mips.igen (do_divu): Fix spacing.
568 * mips.igen (do_dsllv): Move to be right before DSLLV,
569 to match the rest of the do_<shift> functions.
571 2002-03-01 Chris Demetriou <cgd@broadcom.com>
573 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
574 DSRL32, do_dsrlv): Trace inputs and results.
576 2002-03-01 Chris Demetriou <cgd@broadcom.com>
578 * mips.igen (CACHE): Provide instruction-printing string.
580 * interp.c (signal_exception): Comment tokens after #endif.
582 2002-02-28 Chris Demetriou <cgd@broadcom.com>
584 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
585 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
586 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
587 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
588 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
589 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
590 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
591 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
593 2002-02-28 Chris Demetriou <cgd@broadcom.com>
595 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
596 instruction-printing string.
597 (LWU): Use '64' as the filter flag.
599 2002-02-28 Chris Demetriou <cgd@broadcom.com>
601 * mips.igen (SDXC1): Fix instruction-printing string.
603 2002-02-28 Chris Demetriou <cgd@broadcom.com>
605 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
608 2002-02-27 Chris Demetriou <cgd@broadcom.com>
610 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
613 2002-02-27 Chris Demetriou <cgd@broadcom.com>
615 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
616 add a comma) so that it more closely match the MIPS ISA
617 documentation opcode partitioning.
618 (PREF): Put useful names on opcode fields, and include
619 instruction-printing string.
621 2002-02-27 Chris Demetriou <cgd@broadcom.com>
623 * mips.igen (check_u64): New function which in the future will
624 check whether 64-bit instructions are usable and signal an
625 exception if not. Currently a no-op.
626 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
627 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
628 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
629 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
631 * mips.igen (check_fpu): New function which in the future will
632 check whether FPU instructions are usable and signal an exception
633 if not. Currently a no-op.
634 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
635 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
636 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
637 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
638 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
639 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
640 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
641 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
643 2002-02-27 Chris Demetriou <cgd@broadcom.com>
645 * mips.igen (do_load_left, do_load_right): Move to be immediately
647 (do_store_left, do_store_right): Move to be immediately following
650 2002-02-27 Chris Demetriou <cgd@broadcom.com>
652 * mips.igen (mipsV): New model name. Also, add it to
653 all instructions and functions where it is appropriate.
655 2002-02-18 Chris Demetriou <cgd@broadcom.com>
657 * mips.igen: For all functions and instructions, list model
658 names that support that instruction one per line.
660 2002-02-11 Chris Demetriou <cgd@broadcom.com>
662 * mips.igen: Add some additional comments about supported
663 models, and about which instructions go where.
664 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
665 order as is used in the rest of the file.
667 2002-02-11 Chris Demetriou <cgd@broadcom.com>
669 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
670 indicating that ALU32_END or ALU64_END are there to check
672 (DADD): Likewise, but also remove previous comment about
675 2002-02-10 Chris Demetriou <cgd@broadcom.com>
677 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
678 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
679 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
680 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
681 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
682 fields (i.e., add and move commas) so that they more closely
683 match the MIPS ISA documentation opcode partitioning.
685 2002-02-10 Chris Demetriou <cgd@broadcom.com>
687 * mips.igen (ADDI): Print immediate value.
689 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
690 (SLL): Print "nop" specially, and don't run the code
691 that does the shift for the "nop" case.
693 2001-11-17 Fred Fish <fnf@redhat.com>
695 * sim-main.h (float_operation): Move enum declaration outside
696 of _sim_cpu struct declaration.
698 2001-04-12 Jim Blandy <jimb@redhat.com>
700 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
701 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
703 * sim-main.h (COCIDX): Remove definition; this isn't supported by
704 PENDING_FILL, and you can get the intended effect gracefully by
705 calling PENDING_SCHED directly.
707 2001-02-23 Ben Elliston <bje@redhat.com>
709 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
710 already defined elsewhere.
712 2001-02-19 Ben Elliston <bje@redhat.com>
714 * sim-main.h (sim_monitor): Return an int.
715 * interp.c (sim_monitor): Add return values.
716 (signal_exception): Handle error conditions from sim_monitor.
718 2001-02-08 Ben Elliston <bje@redhat.com>
720 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
721 (store_memory): Likewise, pass cia to sim_core_write*.
723 2000-10-19 Frank Ch. Eigler <fche@redhat.com>
725 On advice from Chris G. Demetriou <cgd@sibyte.com>:
726 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
728 Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
730 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
731 * Makefile.in: Don't delete *.igen when cleaning directory.
733 Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
735 * m16.igen (break): Call SignalException not sim_engine_halt.
737 Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
740 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
742 Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
744 * mips.igen (MxC1, DMxC1): Fix printf formatting.
746 2000-05-24 Michael Hayes <mhayes@cygnus.com>
748 * mips.igen (do_dmultx): Fix typo.
750 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
752 * configure: Regenerated to track ../common/aclocal.m4 changes.
754 Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
756 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
758 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
760 * sim-main.h (GPR_CLEAR): Define macro.
762 Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
764 * interp.c (decode_coproc): Output long using %lx and not %s.
766 2000-03-21 Frank Ch. Eigler <fche@redhat.com>
768 * interp.c (sim_open): Sort & extend dummy memory regions for
769 --board=jmr3904 for eCos.
771 2000-03-02 Frank Ch. Eigler <fche@redhat.com>
773 * configure: Regenerated.
775 Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
777 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
778 calls, conditional on the simulator being in verbose mode.
780 Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
782 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
783 cache don't get ReservedInstruction traps.
785 1999-11-29 Mark Salter <msalter@cygnus.com>
787 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
788 to clear status bits in sdisr register. This is how the hardware works.
790 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
791 being used by cygmon.
793 1999-11-11 Andrew Haley <aph@cygnus.com>
795 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
798 Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
800 * mips.igen (MULT): Correct previous mis-applied patch.
802 Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
804 * mips.igen (delayslot32): Handle sequence like
805 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
806 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
807 (MULT): Actually pass the third register...
809 1999-09-03 Mark Salter <msalter@cygnus.com>
811 * interp.c (sim_open): Added more memory aliases for additional
812 hardware being touched by cygmon on jmr3904 board.
814 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
816 * configure: Regenerated to track ../common/aclocal.m4 changes.
818 Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
820 * interp.c (sim_store_register): Handle case where client - GDB -
821 specifies that a 4 byte register is 8 bytes in size.
822 (sim_fetch_register): Ditto.
824 1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
826 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
827 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
828 (idt_monitor_base): Base address for IDT monitor traps.
829 (pmon_monitor_base): Ditto for PMON.
830 (lsipmon_monitor_base): Ditto for LSI PMON.
831 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
832 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
833 (sim_firmware_command): New function.
834 (mips_option_handler): Call it for OPTION_FIRMWARE.
835 (sim_open): Allocate memory for idt_monitor region. If "--board"
836 option was given, add no monitor by default. Add BREAK hooks only if
837 monitors are also there.
839 Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
841 * interp.c (sim_monitor): Flush output before reading input.
843 Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
845 * tconfig.in (SIM_HANDLES_LMA): Always define.
847 Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
849 From Mark Salter <msalter@cygnus.com>:
850 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
851 (sim_open): Add setup for BSP board.
853 Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
855 * mips.igen (MULT, MULTU): Add syntax for two operand version.
856 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
857 them as unimplemented.
859 1999-05-08 Felix Lee <flee@cygnus.com>
861 * configure: Regenerated to track ../common/aclocal.m4 changes.
863 1999-04-21 Frank Ch. Eigler <fche@cygnus.com>
865 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
867 Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
869 * configure.in: Any mips64vr5*-*-* target should have
870 -DTARGET_ENABLE_FR=1.
871 (default_endian): Any mips64vr*el-*-* target should default to
873 * configure: Re-generate.
875 1999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
877 * mips.igen (ldl): Extend from _16_, not 32.
879 Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
881 * interp.c (sim_store_register): Force registers written to by GDB
882 into an un-interpreted state.
884 1999-02-05 Frank Ch. Eigler <fche@cygnus.com>
886 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
887 CPU, start periodic background I/O polls.
888 (tx3904sio_poll): New function: periodic I/O poller.
890 1998-12-30 Frank Ch. Eigler <fche@cygnus.com>
892 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
894 Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
896 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
899 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
901 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
902 (load_word): Call SIM_CORE_SIGNAL hook on error.
903 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
904 starting. For exception dispatching, pass PC instead of NULL_CIA.
905 (decode_coproc): Use COP0_BADVADDR to store faulting address.
906 * sim-main.h (COP0_BADVADDR): Define.
907 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
908 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
909 (_sim_cpu): Add exc_* fields to store register value snapshots.
910 * mips.igen (*): Replace memory-related SignalException* calls
911 with references to SIM_CORE_SIGNAL hook.
913 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
915 * sim-main.c (*): Minor warning cleanups.
917 1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
919 * m16.igen (DADDIU5): Correct type-o.
921 Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
923 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
926 Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
928 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
930 (interp.o): Add dependency on itable.h
931 (oengine.c, gencode): Delete remaining references.
932 (BUILT_SRC_FROM_GEN): Clean up.
934 1998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
937 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
938 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
940 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
941 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
942 Drop the "64" qualifier to get the HACK generator working.
943 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
944 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
945 qualifier to get the hack generator working.
946 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
948 (DSLLV): Use do_dsllv.
951 (DSRLV): Use do_dsrlv.
952 (BC1): Move *vr4100 to get the HACK generator working.
953 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
954 get the HACK generator working.
955 (MACC) Rename to get the HACK generator working.
956 (DMACC,MACCS,DMACCS): Add the 64.
958 1998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
960 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
961 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
963 1998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
965 * mips/interp.c (DEBUG): Cleanups.
967 1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
969 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
970 (tx3904sio_tickle): fflush after a stdout character output.
972 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
974 * interp.c (sim_close): Uninstall modules.
976 Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
978 * sim-main.h, interp.c (sim_monitor): Change to global
981 Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
983 * configure.in (vr4100): Only include vr4100 instructions in
985 * configure: Re-generate.
986 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
988 Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
990 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
991 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
994 * configure.in (sim_default_gen, sim_use_gen): Replace with
996 (--enable-sim-igen): Delete config option. Always using IGEN.
997 * configure: Re-generate.
999 * Makefile.in (gencode): Kill, kill, kill.
1002 Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1004 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1005 bit mips16 igen simulator.
1006 * configure: Re-generate.
1008 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1009 as part of vr4100 ISA.
1010 * vr.igen: Mark all instructions as 64 bit only.
1012 Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1014 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1017 Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1019 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1020 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1021 * configure: Re-generate.
1023 * m16.igen (BREAK): Define breakpoint instruction.
1024 (JALX32): Mark instruction as mips16 and not r3900.
1025 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1027 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1029 Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1031 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1032 insn as a debug breakpoint.
1034 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1036 (PENDING_SCHED): Clean up trace statement.
1037 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1038 (PENDING_FILL): Delay write by only one cycle.
1039 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1041 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1043 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1045 (pending_tick): Move incrementing of index to FOR statement.
1046 (pending_tick): Only update PENDING_OUT after a write has occured.
1048 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1050 * configure: Re-generate.
1052 * interp.c (sim_engine_run OLD): Delete explicit call to
1053 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
1055 Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1057 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1058 interrupt level number to match changed SignalExceptionInterrupt
1061 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1063 * interp.c: #include "itable.h" if WITH_IGEN.
1064 (get_insn_name): New function.
1065 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1066 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1068 Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1070 * configure: Rebuilt to inhale new common/aclocal.m4.
1072 Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1074 * dv-tx3904sio.c: Include sim-assert.h.
1076 Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1078 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1079 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1080 Reorganize target-specific sim-hardware checks.
1081 * configure: rebuilt.
1082 * interp.c (sim_open): For tx39 target boards, set
1083 OPERATING_ENVIRONMENT, add tx3904sio devices.
1084 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1085 ROM executables. Install dv-sockser into sim-modules list.
1087 * dv-tx3904irc.c: Compiler warning clean-up.
1088 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1089 frequent hw-trace messages.
1091 Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1093 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1095 Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1097 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1099 * vr.igen: New file.
1100 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1101 * mips.igen: Define vr4100 model. Include vr.igen.
1102 Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1104 * mips.igen (check_mf_hilo): Correct check.
1106 Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1108 * sim-main.h (interrupt_event): Add prototype.
1110 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1111 register_ptr, register_value.
1112 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1114 * sim-main.h (tracefh): Make extern.
1116 Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1118 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1119 Reduce unnecessarily high timer event frequency.
1120 * dv-tx3904cpu.c: Ditto for interrupt event.
1122 Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1124 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1126 (interrupt_event): Made non-static.
1128 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1129 interchange of configuration values for external vs. internal
1132 Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1134 * mips.igen (BREAK): Moved code to here for
1135 simulator-reserved break instructions.
1136 * gencode.c (build_instruction): Ditto.
1137 * interp.c (signal_exception): Code moved from here. Non-
1138 reserved instructions now use exception vector, rather
1140 * sim-main.h: Moved magic constants to here.
1142 Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1144 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1145 register upon non-zero interrupt event level, clear upon zero
1147 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1148 by passing zero event value.
1149 (*_io_{read,write}_buffer): Endianness fixes.
1150 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1151 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1153 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1154 serial I/O and timer module at base address 0xFFFF0000.
1156 Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1158 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1161 Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1163 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1165 * configure: Update.
1167 Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1169 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1170 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1171 * configure.in: Include tx3904tmr in hw_device list.
1172 * configure: Rebuilt.
1173 * interp.c (sim_open): Instantiate three timer instances.
1174 Fix address typo of tx3904irc instance.
1176 Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1178 * interp.c (signal_exception): SystemCall exception now uses
1179 the exception vector.
1181 Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1183 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1186 Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1188 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1190 Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1192 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1194 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1195 sim-main.h. Declare a struct hw_descriptor instead of struct
1196 hw_device_descriptor.
1198 Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1200 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1201 right bits and then re-align left hand bytes to correct byte
1202 lanes. Fix incorrect computation in do_store_left when loading
1203 bytes from second word.
1205 Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1207 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1208 * interp.c (sim_open): Only create a device tree when HW is
1211 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1212 * interp.c (signal_exception): Ditto.
1214 Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1216 * gencode.c: Mark BEGEZALL as LIKELY.
1218 Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1220 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1221 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1223 Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1225 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1226 modules. Recognize TX39 target with "mips*tx39" pattern.
1227 * configure: Rebuilt.
1228 * sim-main.h (*): Added many macros defining bits in
1229 TX39 control registers.
1230 (SignalInterrupt): Send actual PC instead of NULL.
1231 (SignalNMIReset): New exception type.
1232 * interp.c (board): New variable for future use to identify
1233 a particular board being simulated.
1234 (mips_option_handler,mips_options): Added "--board" option.
1235 (interrupt_event): Send actual PC.
1236 (sim_open): Make memory layout conditional on board setting.
1237 (signal_exception): Initial implementation of hardware interrupt
1238 handling. Accept another break instruction variant for simulator
1240 (decode_coproc): Implement RFE instruction for TX39.
1241 (mips.igen): Decode RFE instruction as such.
1242 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1243 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1244 bbegin to implement memory map.
1245 * dv-tx3904cpu.c: New file.
1246 * dv-tx3904irc.c: New file.
1248 Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1250 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1252 Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1254 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1255 with calls to check_div_hilo.
1257 Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1259 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1260 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1261 Add special r3900 version of do_mult_hilo.
1262 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1263 with calls to check_mult_hilo.
1264 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1265 with calls to check_div_hilo.
1267 Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1269 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1270 Document a replacement.
1272 Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1274 * interp.c (sim_monitor): Make mon_printf work.
1276 Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1278 * sim-main.h (INSN_NAME): New arg `cpu'.
1280 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1282 * configure: Regenerated to track ../common/aclocal.m4 changes.
1284 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1286 * configure: Regenerated to track ../common/aclocal.m4 changes.
1289 Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1291 * acconfig.h: New file.
1292 * configure.in: Reverted change of Apr 24; use sinclude again.
1294 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1296 * configure: Regenerated to track ../common/aclocal.m4 changes.
1299 Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1301 * configure.in: Don't call sinclude.
1303 Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1305 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1307 Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1309 * mips.igen (ERET): Implement.
1311 * interp.c (decode_coproc): Return sign-extended EPC.
1313 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1315 * interp.c (signal_exception): Do not ignore Trap.
1316 (signal_exception): On TRAP, restart at exception address.
1317 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1318 (signal_exception): Update.
1319 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1320 so that TRAP instructions are caught.
1322 Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1324 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1325 contains HI/LO access history.
1326 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1327 (HIACCESS, LOACCESS): Delete, replace with
1328 (HIHISTORY, LOHISTORY): New macros.
1329 (CHECKHILO): Delete all, moved to mips.igen
1331 * gencode.c (build_instruction): Do not generate checks for
1332 correct HI/LO register usage.
1334 * interp.c (old_engine_run): Delete checks for correct HI/LO
1337 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1338 check_mf_cycles): New functions.
1339 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1340 do_divu, domultx, do_mult, do_multu): Use.
1342 * tx.igen ("madd", "maddu"): Use.
1344 Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1346 * mips.igen (DSRAV): Use function do_dsrav.
1347 (SRAV): Use new function do_srav.
1349 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1350 (B): Sign extend 11 bit immediate.
1351 (EXT-B*): Shift 16 bit immediate left by 1.
1352 (ADDIU*): Don't sign extend immediate value.
1354 Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1356 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1358 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1361 * mips.igen (delayslot32, nullify_next_insn): New functions.
1362 (m16.igen): Always include.
1363 (do_*): Add more tracing.
1365 * m16.igen (delayslot16): Add NIA argument, could be called by a
1366 32 bit MIPS16 instruction.
1368 * interp.c (ifetch16): Move function from here.
1369 * sim-main.c (ifetch16): To here.
1371 * sim-main.c (ifetch16, ifetch32): Update to match current
1372 implementations of LH, LW.
1373 (signal_exception): Don't print out incorrect hex value of illegal
1376 Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1378 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1381 * m16.igen: Implement MIPS16 instructions.
1383 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1384 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1385 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1386 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1387 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1388 bodies of corresponding code from 32 bit insn to these. Also used
1389 by MIPS16 versions of functions.
1391 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1392 (IMEM16): Drop NR argument from macro.
1394 Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1396 * Makefile.in (SIM_OBJS): Add sim-main.o.
1398 * sim-main.h (address_translation, load_memory, store_memory,
1399 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1401 (pr_addr, pr_uword64): Declare.
1402 (sim-main.c): Include when H_REVEALS_MODULE_P.
1404 * interp.c (address_translation, load_memory, store_memory,
1405 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1407 * sim-main.c: To here. Fix compilation problems.
1409 * configure.in: Enable inlining.
1410 * configure: Re-config.
1412 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1414 * configure: Regenerated to track ../common/aclocal.m4 changes.
1416 Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1418 * mips.igen: Include tx.igen.
1419 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1420 * tx.igen: New file, contains MADD and MADDU.
1422 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1423 the hardwired constant `7'.
1424 (store_memory): Ditto.
1425 (LOADDRMASK): Move definition to sim-main.h.
1427 mips.igen (MTC0): Enable for r3900.
1430 mips.igen (do_load_byte): Delete.
1431 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1432 do_store_right): New functions.
1433 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1435 configure.in: Let the tx39 use igen again.
1438 Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1440 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1441 not an address sized quantity. Return zero for cache sizes.
1443 Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1445 * mips.igen (r3900): r3900 does not support 64 bit integer
1448 Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1450 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1452 * configure : Rebuild.
1454 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1456 * configure: Regenerated to track ../common/aclocal.m4 changes.
1458 Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1460 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1462 Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1464 * configure: Regenerated to track ../common/aclocal.m4 changes.
1465 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1467 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1469 * configure: Regenerated to track ../common/aclocal.m4 changes.
1471 Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1473 * interp.c (Max, Min): Comment out functions. Not yet used.
1475 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1477 * configure: Regenerated to track ../common/aclocal.m4 changes.
1479 Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1481 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1482 configurable settings for stand-alone simulator.
1484 * configure.in: Added X11 search, just in case.
1486 * configure: Regenerated.
1488 Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1490 * interp.c (sim_write, sim_read, load_memory, store_memory):
1491 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1493 Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1495 * sim-main.h (GETFCC): Return an unsigned value.
1497 Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1499 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1500 (DADD): Result destination is RD not RT.
1502 Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1504 * sim-main.h (HIACCESS, LOACCESS): Always define.
1506 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1508 * interp.c (sim_info): Delete.
1510 Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1512 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1513 (mips_option_handler): New argument `cpu'.
1514 (sim_open): Update call to sim_add_option_table.
1516 Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1518 * mips.igen (CxC1): Add tracing.
1520 Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1522 * sim-main.h (Max, Min): Declare.
1524 * interp.c (Max, Min): New functions.
1526 * mips.igen (BC1): Add tracing.
1528 Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1530 * interp.c Added memory map for stack in vr4100
1532 Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1534 * interp.c (load_memory): Add missing "break"'s.
1536 Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1538 * interp.c (sim_store_register, sim_fetch_register): Pass in
1539 length parameter. Return -1.
1541 Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1543 * interp.c: Added hardware init hook, fixed warnings.
1545 Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1547 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1549 Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1551 * interp.c (ifetch16): New function.
1553 * sim-main.h (IMEM32): Rename IMEM.
1554 (IMEM16_IMMED): Define.
1556 (DELAY_SLOT): Update.
1558 * m16run.c (sim_engine_run): New file.
1560 * m16.igen: All instructions except LB.
1561 (LB): Call do_load_byte.
1562 * mips.igen (do_load_byte): New function.
1563 (LB): Call do_load_byte.
1565 * mips.igen: Move spec for insn bit size and high bit from here.
1566 * Makefile.in (tmp-igen, tmp-m16): To here.
1568 * m16.dc: New file, decode mips16 instructions.
1570 * Makefile.in (SIM_NO_ALL): Define.
1571 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1573 Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1575 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1576 point unit to 32 bit registers.
1577 * configure: Re-generate.
1579 Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1581 * configure.in (sim_use_gen): Make IGEN the default simulator
1582 generator for generic 32 and 64 bit mips targets.
1583 * configure: Re-generate.
1585 Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1587 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1590 * interp.c (sim_fetch_register, sim_store_register): Read/write
1591 FGR from correct location.
1592 (sim_open): Set size of FGR's according to
1593 WITH_TARGET_FLOATING_POINT_BITSIZE.
1595 * sim-main.h (FGR): Store floating point registers in a separate
1598 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1600 * configure: Regenerated to track ../common/aclocal.m4 changes.
1602 Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1604 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1606 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1608 * interp.c (pending_tick): New function. Deliver pending writes.
1610 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1611 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1612 it can handle mixed sized quantites and single bits.
1614 Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1616 * interp.c (oengine.h): Do not include when building with IGEN.
1617 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1618 (sim_info): Ditto for PROCESSOR_64BIT.
1619 (sim_monitor): Replace ut_reg with unsigned_word.
1620 (*): Ditto for t_reg.
1621 (LOADDRMASK): Define.
1622 (sim_open): Remove defunct check that host FP is IEEE compliant,
1623 using software to emulate floating point.
1624 (value_fpr, ...): Always compile, was conditional on HASFPU.
1626 Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1628 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1631 * interp.c (SD, CPU): Define.
1632 (mips_option_handler): Set flags in each CPU.
1633 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1634 (sim_close): Do not clear STATE, deleted anyway.
1635 (sim_write, sim_read): Assume CPU zero's vm should be used for
1637 (sim_create_inferior): Set the PC for all processors.
1638 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1640 (mips16_entry): Pass correct nr of args to store_word, load_word.
1641 (ColdReset): Cold reset all cpu's.
1642 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1643 (sim_monitor, load_memory, store_memory, signal_exception): Use
1644 `CPU' instead of STATE_CPU.
1647 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1650 * sim-main.h (signal_exception): Add sim_cpu arg.
1651 (SignalException*): Pass both SD and CPU to signal_exception.
1652 * interp.c (signal_exception): Update.
1654 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1656 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1657 address_translation): Ditto
1658 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1660 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1662 * configure: Regenerated to track ../common/aclocal.m4 changes.
1664 Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1666 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1668 * mips.igen (model): Map processor names onto BFD name.
1670 * sim-main.h (CPU_CIA): Delete.
1671 (SET_CIA, GET_CIA): Define
1673 Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1675 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1678 * configure.in (default_endian): Configure a big-endian simulator
1680 * configure: Re-generate.
1682 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1684 * configure: Regenerated to track ../common/aclocal.m4 changes.
1686 Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1688 * interp.c (sim_monitor): Handle Densan monitor outbyte
1689 and inbyte functions.
1691 1997-12-29 Felix Lee <flee@cygnus.com>
1693 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1695 Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1697 * Makefile.in (tmp-igen): Arrange for $zero to always be
1698 reset to zero after every instruction.
1700 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1702 * configure: Regenerated to track ../common/aclocal.m4 changes.
1705 Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1707 * mips.igen (MSUB): Fix to work like MADD.
1708 * gencode.c (MSUB): Similarly.
1710 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1712 * configure: Regenerated to track ../common/aclocal.m4 changes.
1714 Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1716 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1718 Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1720 * sim-main.h (sim-fpu.h): Include.
1722 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1723 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1724 using host independant sim_fpu module.
1726 Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1728 * interp.c (signal_exception): Report internal errors with SIGABRT
1731 * sim-main.h (C0_CONFIG): New register.
1732 (signal.h): No longer include.
1734 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1736 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
1738 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
1740 Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1742 * mips.igen: Tag vr5000 instructions.
1743 (ANDI): Was missing mipsIV model, fix assembler syntax.
1744 (do_c_cond_fmt): New function.
1745 (C.cond.fmt): Handle mips I-III which do not support CC field
1747 (bc1): Handle mips IV which do not have a delaed FCC separatly.
1748 (SDR): Mask paddr when BigEndianMem, not the converse as specified
1750 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
1751 vr5000 which saves LO in a GPR separatly.
1753 * configure.in (enable-sim-igen): For vr5000, select vr5000
1754 specific instructions.
1755 * configure: Re-generate.
1757 Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
1759 * Makefile.in (SIM_OBJS): Add sim-fpu module.
1761 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
1762 fmt_uninterpreted_64 bit cases to switch. Convert to
1765 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
1767 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
1768 as specified in IV3.2 spec.
1769 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
1771 Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1773 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
1774 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
1775 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
1776 PENDING_FILL versions of instructions. Simplify.
1778 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
1780 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
1782 (MTHI, MFHI): Disable code checking HI-LO.
1784 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
1786 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
1788 Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
1790 * gencode.c (build_mips16_operands): Replace IPC with cia.
1792 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
1793 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
1795 (UndefinedResult): Replace function with macro/function
1797 (sim_engine_run): Don't save PC in IPC.
1799 * sim-main.h (IPC): Delete.
1802 * interp.c (signal_exception, store_word, load_word,
1803 address_translation, load_memory, store_memory, cache_op,
1804 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
1805 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
1806 current instruction address - cia - argument.
1807 (sim_read, sim_write): Call address_translation directly.
1808 (sim_engine_run): Rename variable vaddr to cia.
1809 (signal_exception): Pass cia to sim_monitor
1811 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
1812 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
1813 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
1815 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
1816 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
1819 * interp.c (signal_exception): Pass restart address to
1822 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
1823 idecode.o): Add dependency.
1825 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
1827 (DELAY_SLOT): Update NIA not PC with branch address.
1828 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
1830 * mips.igen: Use CIA not PC in branch calculations.
1831 (illegal): Call SignalException.
1832 (BEQ, ADDIU): Fix assembler.
1834 Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1836 * m16.igen (JALX): Was missing.
1838 * configure.in (enable-sim-igen): New configuration option.
1839 * configure: Re-generate.
1841 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
1843 * interp.c (load_memory, store_memory): Delete parameter RAW.
1844 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
1845 bypassing {load,store}_memory.
1847 * sim-main.h (ByteSwapMem): Delete definition.
1849 * Makefile.in (SIM_OBJS): Add sim-memopt module.
1851 * interp.c (sim_do_command, sim_commands): Delete mips specific
1852 commands. Handled by module sim-options.
1854 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
1855 (WITH_MODULO_MEMORY): Define.
1857 * interp.c (sim_info): Delete code printing memory size.
1859 * interp.c (mips_size): Nee sim_size, delete function.
1861 (monitor, monitor_base, monitor_size): Delete global variables.
1862 (sim_open, sim_close): Delete code creating monitor and other
1863 memory regions. Use sim-memopts module, via sim_do_commandf, to
1864 manage memory regions.
1865 (load_memory, store_memory): Use sim-core for memory model.
1867 * interp.c (address_translation): Delete all memory map code
1868 except line forcing 32 bit addresses.
1870 Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1872 * sim-main.h (WITH_TRACE): Delete definition. Enables common
1875 * interp.c (logfh, logfile): Delete globals.
1876 (sim_open, sim_close): Delete code opening & closing log file.
1877 (mips_option_handler): Delete -l and -n options.
1878 (OPTION mips_options): Ditto.
1880 * interp.c (OPTION mips_options): Rename option trace to dinero.
1881 (mips_option_handler): Update.
1883 Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1885 * interp.c (fetch_str): New function.
1886 (sim_monitor): Rewrite using sim_read & sim_write.
1887 (sim_open): Check magic number.
1888 (sim_open): Write monitor vectors into memory using sim_write.
1889 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
1890 (sim_read, sim_write): Simplify - transfer data one byte at a
1892 (load_memory, store_memory): Clarify meaning of parameter RAW.
1894 * sim-main.h (isHOST): Defete definition.
1895 (isTARGET): Mark as depreciated.
1896 (address_translation): Delete parameter HOST.
1898 * interp.c (address_translation): Delete parameter HOST.
1900 Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1904 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
1905 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
1907 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
1909 * mips.igen: Add model filter field to records.
1911 Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1913 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
1915 interp.c (sim_engine_run): Do not compile function sim_engine_run
1916 when WITH_IGEN == 1.
1918 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
1919 target architecture.
1921 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
1922 igen. Replace with configuration variables sim_igen_flags /
1925 * m16.igen: New file. Copy mips16 insns here.
1926 * mips.igen: From here.
1928 Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1930 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
1932 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
1934 Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
1936 * gencode.c (build_instruction): Follow sim_write's lead in using
1937 BigEndianMem instead of !ByteSwapMem.
1939 Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
1941 * configure.in (sim_gen): Dependent on target, select type of
1942 generator. Always select old style generator.
1944 configure: Re-generate.
1946 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
1948 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
1949 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
1950 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
1951 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
1952 SIM_@sim_gen@_*, set by autoconf.
1954 Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
1956 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
1958 * interp.c (ColdReset): Remove #ifdef HASFPU, check
1959 CURRENT_FLOATING_POINT instead.
1961 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
1962 (address_translation): Raise exception InstructionFetch when
1963 translation fails and isINSTRUCTION.
1965 * interp.c (sim_open, sim_write, sim_monitor, store_word,
1966 sim_engine_run): Change type of of vaddr and paddr to
1968 (address_translation, prefetch, load_memory, store_memory,
1969 cache_op): Change type of vAddr and pAddr to address_word.
1971 * gencode.c (build_instruction): Change type of vaddr and paddr to
1974 Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
1976 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
1977 macro to obtain result of ALU op.
1979 Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
1981 * interp.c (sim_info): Call profile_print.
1983 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1985 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
1987 * sim-main.h (WITH_PROFILE): Do not define, defined in
1988 common/sim-config.h. Use sim-profile module.
1989 (simPROFILE): Delete defintion.
1991 * interp.c (PROFILE): Delete definition.
1992 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
1993 (sim_close): Delete code writing profile histogram.
1994 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
1996 (sim_engine_run): Delete code profiling the PC.
1998 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2000 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2002 * interp.c (sim_monitor): Make register pointers of type
2005 * sim-main.h: Make registers of type unsigned_word not
2008 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2010 * interp.c (sync_operation): Rename from SyncOperation, make
2011 global, add SD argument.
2012 (prefetch): Rename from Prefetch, make global, add SD argument.
2013 (decode_coproc): Make global.
2015 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2017 * gencode.c (build_instruction): Generate DecodeCoproc not
2018 decode_coproc calls.
2020 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2021 (SizeFGR): Move to sim-main.h
2022 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2023 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2024 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2026 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2027 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2028 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2029 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2030 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2031 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
2033 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2035 (sim-alu.h): Include.
2036 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2037 (sim_cia): Typedef to instruction_address.
2039 Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2041 * Makefile.in (interp.o): Rename generated file engine.c to
2046 Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2048 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
2050 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2052 * gencode.c (build_instruction): For "FPSQRT", output correct
2053 number of arguments to Recip.
2055 Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2057 * Makefile.in (interp.o): Depends on sim-main.h
2059 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2061 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2062 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2063 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2064 STATE, DSSTATE): Define
2065 (GPR, FGRIDX, ..): Define.
2067 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2068 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2069 (GPR, FGRIDX, ...): Delete macros.
2071 * interp.c: Update names to match defines from sim-main.h
2073 Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2075 * interp.c (sim_monitor): Add SD argument.
2076 (sim_warning): Delete. Replace calls with calls to
2078 (sim_error): Delete. Replace calls with sim_io_error.
2079 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2080 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2081 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2083 (mips_size): Rename from sim_size. Add SD argument.
2085 * interp.c (simulator): Delete global variable.
2086 (callback): Delete global variable.
2087 (mips_option_handler, sim_open, sim_write, sim_read,
2088 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2089 sim_size,sim_monitor): Use sim_io_* not callback->*.
2090 (sim_open): ZALLOC simulator struct.
2091 (PROFILE): Do not define.
2093 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2095 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2096 support.h with corresponding code.
2098 * sim-main.h (word64, uword64), support.h: Move definition to
2100 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2103 * Makefile.in: Update dependencies
2104 * interp.c: Do not include.
2106 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2108 * interp.c (address_translation, load_memory, store_memory,
2109 cache_op): Rename to from AddressTranslation et.al., make global,
2112 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2115 * interp.c (SignalException): Rename to signal_exception, make
2118 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2120 * sim-main.h (SignalException, SignalExceptionInterrupt,
2121 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2122 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2123 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2126 * interp.c, support.h: Use.
2128 Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2130 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2131 to value_fpr / store_fpr. Add SD argument.
2132 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2133 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2135 * sim-main.h (ValueFPR, StoreFPR): Define.
2137 Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2139 * interp.c (sim_engine_run): Check consistency between configure
2140 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2143 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2144 (mips_fpu): Configure WITH_FLOATING_POINT.
2145 (mips_endian): Configure WITH_TARGET_ENDIAN.
2146 * configure: Update.
2148 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2150 * configure: Regenerated to track ../common/aclocal.m4 changes.
2152 Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2154 * configure: Regenerated.
2156 Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2158 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2160 Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2162 * gencode.c (print_igen_insn_models): Assume certain architectures
2163 include all mips* instructions.
2164 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2167 * Makefile.in (tmp.igen): Add target. Generate igen input from
2170 * gencode.c (FEATURE_IGEN): Define.
2171 (main): Add --igen option. Generate output in igen format.
2172 (process_instructions): Format output according to igen option.
2173 (print_igen_insn_format): New function.
2174 (print_igen_insn_models): New function.
2175 (process_instructions): Only issue warnings and ignore
2176 instructions when no FEATURE_IGEN.
2178 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2180 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2183 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2185 * configure: Regenerated to track ../common/aclocal.m4 changes.
2187 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2189 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2190 SIM_RESERVED_BITS): Delete, moved to common.
2191 (SIM_EXTRA_CFLAGS): Update.
2193 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2195 * configure.in: Configure non-strict memory alignment.
2196 * configure: Regenerated to track ../common/aclocal.m4 changes.
2198 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2200 * configure: Regenerated to track ../common/aclocal.m4 changes.
2202 Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2204 * gencode.c (SDBBP,DERET): Added (3900) insns.
2205 (RFE): Turn on for 3900.
2206 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2207 (dsstate): Made global.
2208 (SUBTARGET_R3900): Added.
2209 (CANCELDELAYSLOT): New.
2210 (SignalException): Ignore SystemCall rather than ignore and
2211 terminate. Add DebugBreakPoint handling.
2212 (decode_coproc): New insns RFE, DERET; and new registers Debug
2213 and DEPC protected by SUBTARGET_R3900.
2214 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2216 * Makefile.in,configure.in: Add mips subtarget option.
2217 * configure: Update.
2219 Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2221 * gencode.c: Add r3900 (tx39).
2224 Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2226 * gencode.c (build_instruction): Don't need to subtract 4 for
2229 Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2231 * interp.c: Correct some HASFPU problems.
2233 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2235 * configure: Regenerated to track ../common/aclocal.m4 changes.
2237 Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2239 * interp.c (mips_options): Fix samples option short form, should
2242 Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2244 * interp.c (sim_info): Enable info code. Was just returning.
2246 Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2248 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2251 Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2253 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2255 (build_instruction): Ditto for LL.
2257 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2259 * configure: Regenerated to track ../common/aclocal.m4 changes.
2261 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2263 * configure: Regenerated to track ../common/aclocal.m4 changes.
2266 Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2268 * interp.c (sim_open): Add call to sim_analyze_program, update
2271 Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2273 * interp.c (sim_kill): Delete.
2274 (sim_create_inferior): Add ABFD argument. Set PC from same.
2275 (sim_load): Move code initializing trap handlers from here.
2276 (sim_open): To here.
2277 (sim_load): Delete, use sim-hload.c.
2279 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2281 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2283 * configure: Regenerated to track ../common/aclocal.m4 changes.
2286 Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2288 * interp.c (sim_open): Add ABFD argument.
2289 (sim_load): Move call to sim_config from here.
2290 (sim_open): To here. Check return status.
2292 Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2294 * gencode.c (build_instruction): Two arg MADD should
2295 not assign result to $0.
2297 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2299 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2300 * sim/mips/configure.in: Regenerate.
2302 Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2304 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2305 signed8, unsigned8 et.al. types.
2307 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2308 hosts when selecting subreg.
2310 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2312 * interp.c (sim_engine_run): Reset the ZERO register to zero
2313 regardless of FEATURE_WARN_ZERO.
2314 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2316 Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2318 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2319 (SignalException): For BreakPoints ignore any mode bits and just
2321 (SignalException): Always set the CAUSE register.
2323 Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2325 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2326 exception has been taken.
2328 * interp.c: Implement the ERET and mt/f sr instructions.
2330 Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2332 * interp.c (SignalException): Don't bother restarting an
2335 Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2337 * interp.c (SignalException): Really take an interrupt.
2338 (interrupt_event): Only deliver interrupts when enabled.
2340 Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2342 * interp.c (sim_info): Only print info when verbose.
2343 (sim_info) Use sim_io_printf for output.
2345 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2347 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2350 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2352 * interp.c (sim_do_command): Check for common commands if a
2353 simulator specific command fails.
2355 Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2357 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2358 and simBE when DEBUG is defined.
2360 Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2362 * interp.c (interrupt_event): New function. Pass exception event
2363 onto exception handler.
2365 * configure.in: Check for stdlib.h.
2366 * configure: Regenerate.
2368 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2369 variable declaration.
2370 (build_instruction): Initialize memval1.
2371 (build_instruction): Add UNUSED attribute to byte, bigend,
2373 (build_operands): Ditto.
2375 * interp.c: Fix GCC warnings.
2376 (sim_get_quit_code): Delete.
2378 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2379 * Makefile.in: Ditto.
2380 * configure: Re-generate.
2382 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2384 Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2386 * interp.c (mips_option_handler): New function parse argumes using
2388 (myname): Replace with STATE_MY_NAME.
2389 (sim_open): Delete check for host endianness - performed by
2391 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2392 (sim_open): Move much of the initialization from here.
2393 (sim_load): To here. After the image has been loaded and
2395 (sim_open): Move ColdReset from here.
2396 (sim_create_inferior): To here.
2397 (sim_open): Make FP check less dependant on host endianness.
2399 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2401 * interp.c (sim_set_callbacks): Delete.
2403 * interp.c (membank, membank_base, membank_size): Replace with
2404 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2405 (sim_open): Remove call to callback->init. gdb/run do this.
2409 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2411 * interp.c (big_endian_p): Delete, replaced by
2412 current_target_byte_order.
2414 Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2416 * interp.c (host_read_long, host_read_word, host_swap_word,
2417 host_swap_long): Delete. Using common sim-endian.
2418 (sim_fetch_register, sim_store_register): Use H2T.
2419 (pipeline_ticks): Delete. Handled by sim-events.
2421 (sim_engine_run): Update.
2423 Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2425 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2427 (SignalException): To here. Signal using sim_engine_halt.
2428 (sim_stop_reason): Delete, moved to common.
2430 Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2432 * interp.c (sim_open): Add callback argument.
2433 (sim_set_callbacks): Delete SIM_DESC argument.
2436 Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2438 * Makefile.in (SIM_OBJS): Add common modules.
2440 * interp.c (sim_set_callbacks): Also set SD callback.
2441 (set_endianness, xfer_*, swap_*): Delete.
2442 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2443 Change to functions using sim-endian macros.
2444 (control_c, sim_stop): Delete, use common version.
2445 (simulate): Convert into.
2446 (sim_engine_run): This function.
2447 (sim_resume): Delete.
2449 * interp.c (simulation): New variable - the simulator object.
2450 (sim_kind): Delete global - merged into simulation.
2451 (sim_load): Cleanup. Move PC assignment from here.
2452 (sim_create_inferior): To here.
2454 * sim-main.h: New file.
2455 * interp.c (sim-main.h): Include.
2457 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2459 * configure: Regenerated to track ../common/aclocal.m4 changes.
2461 Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2463 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2465 Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2467 * gencode.c (build_instruction): DIV instructions: check
2468 for division by zero and integer overflow before using
2469 host's division operation.
2471 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2473 * Makefile.in (SIM_OBJS): Add sim-load.o.
2474 * interp.c: #include bfd.h.
2475 (target_byte_order): Delete.
2476 (sim_kind, myname, big_endian_p): New static locals.
2477 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2478 after argument parsing. Recognize -E arg, set endianness accordingly.
2479 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2480 load file into simulator. Set PC from bfd.
2481 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2482 (set_endianness): Use big_endian_p instead of target_byte_order.
2484 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2486 * interp.c (sim_size): Delete prototype - conflicts with
2487 definition in remote-sim.h. Correct definition.
2489 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2491 * configure: Regenerated to track ../common/aclocal.m4 changes.
2494 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2496 * interp.c (sim_open): New arg `kind'.
2498 * configure: Regenerated to track ../common/aclocal.m4 changes.
2500 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2502 * configure: Regenerated to track ../common/aclocal.m4 changes.
2504 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2506 * interp.c (sim_open): Set optind to 0 before calling getopt.
2508 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2510 * configure: Regenerated to track ../common/aclocal.m4 changes.
2512 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2514 * interp.c : Replace uses of pr_addr with pr_uword64
2515 where the bit length is always 64 independent of SIM_ADDR.
2516 (pr_uword64) : added.
2518 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2520 * configure: Re-generate.
2522 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2524 * configure: Regenerate to track ../common/aclocal.m4 changes.
2526 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2528 * interp.c (sim_open): New SIM_DESC result. Argument is now
2530 (other sim_*): New SIM_DESC argument.
2532 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2534 * interp.c: Fix printing of addresses for non-64-bit targets.
2535 (pr_addr): Add function to print address based on size.
2537 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2539 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2541 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2543 * gencode.c (build_mips16_operands): Correct computation of base
2544 address for extended PC relative instruction.
2546 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2548 * interp.c (mips16_entry): Add support for floating point cases.
2549 (SignalException): Pass floating point cases to mips16_entry.
2550 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2552 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2554 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2555 and then set the state to fmt_uninterpreted.
2556 (COP_SW): Temporarily set the state to fmt_word while calling
2559 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2561 * gencode.c (build_instruction): The high order may be set in the
2562 comparison flags at any ISA level, not just ISA 4.
2564 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2566 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2567 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2568 * configure.in: sinclude ../common/aclocal.m4.
2569 * configure: Regenerated.
2571 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2573 * configure: Rebuild after change to aclocal.m4.
2575 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2577 * configure configure.in Makefile.in: Update to new configure
2578 scheme which is more compatible with WinGDB builds.
2579 * configure.in: Improve comment on how to run autoconf.
2580 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2581 * Makefile.in: Use autoconf substitution to install common
2584 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2586 * gencode.c (build_instruction): Use BigEndianCPU instead of
2589 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2591 * interp.c (sim_monitor): Make output to stdout visible in
2592 wingdb's I/O log window.
2594 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2596 * support.h: Undo previous change to SIGTRAP
2599 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2601 * interp.c (store_word, load_word): New static functions.
2602 (mips16_entry): New static function.
2603 (SignalException): Look for mips16 entry and exit instructions.
2604 (simulate): Use the correct index when setting fpr_state after
2605 doing a pending move.
2607 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2609 * interp.c: Fix byte-swapping code throughout to work on
2610 both little- and big-endian hosts.
2612 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2614 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2615 with gdb/config/i386/xm-windows.h.
2617 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2619 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2620 that messes up arithmetic shifts.
2622 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2624 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2625 SIGTRAP and SIGQUIT for _WIN32.
2627 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2629 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2630 force a 64 bit multiplication.
2631 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2632 destination register is 0, since that is the default mips16 nop
2635 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2637 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2638 (build_endian_shift): Don't check proc64.
2639 (build_instruction): Always set memval to uword64. Cast op2 to
2640 uword64 when shifting it left in memory instructions. Always use
2641 the same code for stores--don't special case proc64.
2643 * gencode.c (build_mips16_operands): Fix base PC value for PC
2645 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2647 * interp.c (simJALDELAYSLOT): Define.
2648 (JALDELAYSLOT): Define.
2649 (INDELAYSLOT, INJALDELAYSLOT): Define.
2650 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2652 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2654 * interp.c (sim_open): add flush_cache as a PMON routine
2655 (sim_monitor): handle flush_cache by ignoring it
2657 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2659 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2661 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2662 (BigEndianMem): Rename to ByteSwapMem and change sense.
2663 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2664 BigEndianMem references to !ByteSwapMem.
2665 (set_endianness): New function, with prototype.
2666 (sim_open): Call set_endianness.
2667 (sim_info): Use simBE instead of BigEndianMem.
2668 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2669 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2670 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2671 ifdefs, keeping the prototype declaration.
2672 (swap_word): Rewrite correctly.
2673 (ColdReset): Delete references to CONFIG. Delete endianness related
2674 code; moved to set_endianness.
2676 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2678 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2679 * interp.c (CHECKHILO): Define away.
2680 (simSIGINT): New macro.
2681 (membank_size): Increase from 1MB to 2MB.
2682 (control_c): New function.
2683 (sim_resume): Rename parameter signal to signal_number. Add local
2684 variable prev. Call signal before and after simulate.
2685 (sim_stop_reason): Add simSIGINT support.
2686 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2688 (sim_warning): Delete call to SignalException. Do call printf_filtered
2690 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2691 a call to sim_warning.
2693 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2695 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2696 16 bit instructions.
2698 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2700 Add support for mips16 (16 bit MIPS implementation):
2701 * gencode.c (inst_type): Add mips16 instruction encoding types.
2702 (GETDATASIZEINSN): Define.
2703 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2704 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2706 (MIPS16_DECODE): New table, for mips16 instructions.
2707 (bitmap_val): New static function.
2708 (struct mips16_op): Define.
2709 (mips16_op_table): New table, for mips16 operands.
2710 (build_mips16_operands): New static function.
2711 (process_instructions): If PC is odd, decode a mips16
2712 instruction. Break out instruction handling into new
2713 build_instruction function.
2714 (build_instruction): New static function, broken out of
2715 process_instructions. Check modifiers rather than flags for SHIFT
2716 bit count and m[ft]{hi,lo} direction.
2717 (usage): Pass program name to fprintf.
2718 (main): Remove unused variable this_option_optind. Change
2719 ``*loptarg++'' to ``loptarg++''.
2720 (my_strtoul): Parenthesize && within ||.
2721 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2722 (simulate): If PC is odd, fetch a 16 bit instruction, and
2723 increment PC by 2 rather than 4.
2724 * configure.in: Add case for mips16*-*-*.
2725 * configure: Rebuild.
2727 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2729 * interp.c: Allow -t to enable tracing in standalone simulator.
2730 Fix garbage output in trace file and error messages.
2732 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2734 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2735 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2736 * configure.in: Simplify using macros in ../common/aclocal.m4.
2737 * configure: Regenerated.
2738 * tconfig.in: New file.
2740 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
2742 * interp.c: Fix bugs in 64-bit port.
2743 Use ansi function declarations for msvc compiler.
2744 Initialize and test file pointer in trace code.
2745 Prevent duplicate definition of LAST_EMED_REGNUM.
2747 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
2749 * interp.c (xfer_big_long): Prevent unwanted sign extension.
2751 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
2753 * interp.c (SignalException): Check for explicit terminating
2755 * gencode.c: Pass instruction value through SignalException()
2756 calls for Trap, Breakpoint and Syscall.
2758 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2760 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
2761 only used on those hosts that provide it.
2762 * configure.in: Add sqrt() to list of functions to be checked for.
2763 * config.in: Re-generated.
2764 * configure: Re-generated.
2766 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
2768 * gencode.c (process_instructions): Call build_endian_shift when
2769 expanding STORE RIGHT, to fix swr.
2770 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
2771 clear the high bits.
2772 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
2773 Fix float to int conversions to produce signed values.
2775 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
2777 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
2778 (process_instructions): Correct handling of nor instruction.
2779 Correct shift count for 32 bit shift instructions. Correct sign
2780 extension for arithmetic shifts to not shift the number of bits in
2781 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
2782 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
2784 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
2785 It's OK to have a mult follow a mult. What's not OK is to have a
2786 mult follow an mfhi.
2787 (Convert): Comment out incorrect rounding code.
2789 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
2791 * interp.c (sim_monitor): Improved monitor printf
2792 simulation. Tidied up simulator warnings, and added "--log" option
2793 for directing warning message output.
2794 * gencode.c: Use sim_warning() rather than WARNING macro.
2796 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
2798 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
2799 getopt1.o, rather than on gencode.c. Link objects together.
2800 Don't link against -liberty.
2801 (gencode.o, getopt.o, getopt1.o): New targets.
2802 * gencode.c: Include <ctype.h> and "ansidecl.h".
2803 (AND): Undefine after including "ansidecl.h".
2804 (ULONG_MAX): Define if not defined.
2805 (OP_*): Don't define macros; now defined in opcode/mips.h.
2806 (main): Call my_strtoul rather than strtoul.
2807 (my_strtoul): New static function.
2809 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
2811 * gencode.c (process_instructions): Generate word64 and uword64
2812 instead of `long long' and `unsigned long long' data types.
2813 * interp.c: #include sysdep.h to get signals, and define default
2815 * (Convert): Work around for Visual-C++ compiler bug with type
2817 * support.h: Make things compile under Visual-C++ by using
2818 __int64 instead of `long long'. Change many refs to long long
2819 into word64/uword64 typedefs.
2821 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
2823 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
2824 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
2826 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
2827 (AC_PROG_INSTALL): Added.
2828 (AC_PROG_CC): Moved to before configure.host call.
2829 * configure: Rebuilt.
2831 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
2833 * configure.in: Define @SIMCONF@ depending on mips target.
2834 * configure: Rebuild.
2835 * Makefile.in (run): Add @SIMCONF@ to control simulator
2837 * gencode.c: Change LOADDRMASK to 64bit memory model only.
2838 * interp.c: Remove some debugging, provide more detailed error
2839 messages, update memory accesses to use LOADDRMASK.
2841 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
2843 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
2844 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
2846 * configure: Rebuild.
2847 * config.in: New file, generated by autoheader.
2848 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
2849 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
2850 HAVE_ANINT and HAVE_AINT, as appropriate.
2851 * Makefile.in (run): Use @LIBS@ rather than -lm.
2852 (interp.o): Depend upon config.h.
2853 (Makefile): Just rebuild Makefile.
2854 (clean): Remove stamp-h.
2855 (mostlyclean): Make the same as clean, not as distclean.
2856 (config.h, stamp-h): New targets.
2858 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2860 * interp.c (ColdReset): Fix boolean test. Make all simulator
2863 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
2865 * interp.c (xfer_direct_word, xfer_direct_long,
2866 swap_direct_word, swap_direct_long, xfer_big_word,
2867 xfer_big_long, xfer_little_word, xfer_little_long,
2868 swap_word,swap_long): Added.
2869 * interp.c (ColdReset): Provide function indirection to
2870 host<->simulated_target transfer routines.
2871 * interp.c (sim_store_register, sim_fetch_register): Updated to
2872 make use of indirected transfer routines.
2874 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
2876 * gencode.c (process_instructions): Ensure FP ABS instruction
2878 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
2879 system call support.
2881 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
2883 * interp.c (sim_do_command): Complain if callback structure not
2886 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
2888 * interp.c (Convert): Provide round-to-nearest and round-to-zero
2889 support for Sun hosts.
2890 * Makefile.in (gencode): Ensure the host compiler and libraries
2891 used for cross-hosted build.
2893 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
2895 * interp.c, gencode.c: Some more (TODO) tidying.
2897 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
2899 * gencode.c, interp.c: Replaced explicit long long references with
2900 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
2901 * support.h (SET64LO, SET64HI): Macros added.
2903 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
2905 * configure: Regenerate with autoconf 2.7.
2907 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
2909 * interp.c (LoadMemory): Enclose text following #endif in /* */.
2910 * support.h: Remove superfluous "1" from #if.
2911 * support.h (CHECKSIM): Remove stray 'a' at end of line.
2913 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
2915 * interp.c (StoreFPR): Control UndefinedResult() call on
2916 WARN_RESULT manifest.
2918 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
2920 * gencode.c: Tidied instruction decoding, and added FP instruction
2923 * interp.c: Added dineroIII, and BSD profiling support. Also
2924 run-time FP handling.
2926 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
2928 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
2929 gencode.c, interp.c, support.h: created.