1 2003-01-14 Chris Demetriou <cgd@broadcom.com>
3 * mips.igen (EI, DI): Remove.
5 2003-01-05 Richard Sandiford <rsandifo@redhat.com>
7 * Makefile.in (tmp-run-multi): Fix mips16 filter.
9 2003-01-04 Richard Sandiford <rsandifo@redhat.com>
10 Andrew Cagney <ac131313@redhat.com>
11 Gavin Romig-Koch <gavin@redhat.com>
12 Graydon Hoare <graydon@redhat.com>
13 Aldy Hernandez <aldyh@redhat.com>
14 Dave Brolley <brolley@redhat.com>
15 Chris Demetriou <cgd@broadcom.com>
17 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
18 (sim_mach_default): New variable.
19 (mips64vr-*-*, mips64vrel-*-*): New configurations.
20 Add a new simulator generator, MULTI.
21 * configure: Regenerate.
22 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
23 (multi-run.o): New dependency.
24 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
25 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
26 (tmp-multi): Combine them.
27 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
28 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
29 (distclean-extra): New rule.
30 * sim-main.h: Include bfd.h.
31 (MIPS_MACH): New macro.
32 * mips.igen (vr4120, vr5400, vr5500): New models.
33 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
34 * vr.igen: Replace with new version.
36 2003-01-04 Chris Demetriou <cgd@broadcom.com>
38 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
39 * configure: Regenerate.
41 2002-12-31 Chris Demetriou <cgd@broadcom.com>
43 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
44 * mips.igen: Remove all invocations of check_branch_bug and
47 2002-12-16 Chris Demetriou <cgd@broadcom.com>
49 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
51 2002-07-30 Chris Demetriou <cgd@broadcom.com>
53 * mips.igen (do_load_double, do_store_double): New functions.
54 (LDC1, SDC1): Rename to...
55 (LDC1b, SDC1b): respectively.
56 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
58 2002-07-29 Michael Snyder <msnyder@redhat.com>
60 * cp1.c (fp_recip2): Modify initialization expression so that
61 GCC will recognize it as constant.
63 2002-06-18 Chris Demetriou <cgd@broadcom.com>
65 * mdmx.c (SD_): Delete.
66 (Unpredictable): Re-define, for now, to directly invoke
67 unpredictable_action().
68 (mdmx_acc_op): Fix error in .ob immediate handling.
70 2002-06-18 Andrew Cagney <cagney@redhat.com>
72 * interp.c (sim_firmware_command): Initialize `address'.
74 2002-06-16 Andrew Cagney <ac131313@redhat.com>
76 * configure: Regenerated to track ../common/aclocal.m4 changes.
78 2002-06-14 Chris Demetriou <cgd@broadcom.com>
79 Ed Satterthwaite <ehs@broadcom.com>
81 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
82 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
83 * mips.igen: Include mips3d.igen.
84 (mips3d): New model name for MIPS-3D ASE instructions.
85 (CVT.W.fmt): Don't use this instruction for word (source) format
87 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
88 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
89 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
90 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
91 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
92 (RSquareRoot1, RSquareRoot2): New macros.
93 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
94 (fp_rsqrt2): New functions.
95 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
96 * configure: Regenerate.
98 2002-06-13 Chris Demetriou <cgd@broadcom.com>
99 Ed Satterthwaite <ehs@broadcom.com>
101 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
102 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
103 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
104 (convert): Note that this function is not used for paired-single
106 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
107 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
108 (check_fmt_p): Enable paired-single support.
109 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
110 (PUU.PS): New instructions.
111 (CVT.S.fmt): Don't use this instruction for paired-single format
113 * sim-main.h (FP_formats): New value 'fmt_ps.'
114 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
115 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
117 2002-06-12 Chris Demetriou <cgd@broadcom.com>
119 * mips.igen: Fix formatting of function calls in
122 2002-06-12 Chris Demetriou <cgd@broadcom.com>
124 * mips.igen (MOVN, MOVZ): Trace result.
125 (TNEI): Print "tnei" as the opcode name in traces.
126 (CEIL.W): Add disassembly string for traces.
127 (RSQRT.fmt): Make location of disassembly string consistent
128 with other instructions.
130 2002-06-12 Chris Demetriou <cgd@broadcom.com>
132 * mips.igen (X): Delete unused function.
134 2002-06-08 Andrew Cagney <cagney@redhat.com>
136 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
138 2002-06-07 Chris Demetriou <cgd@broadcom.com>
139 Ed Satterthwaite <ehs@broadcom.com>
141 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
142 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
143 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
144 (fp_nmsub): New prototypes.
145 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
146 (NegMultiplySub): New defines.
147 * mips.igen (RSQRT.fmt): Use RSquareRoot().
148 (MADD.D, MADD.S): Replace with...
149 (MADD.fmt): New instruction.
150 (MSUB.D, MSUB.S): Replace with...
151 (MSUB.fmt): New instruction.
152 (NMADD.D, NMADD.S): Replace with...
153 (NMADD.fmt): New instruction.
154 (NMSUB.D, MSUB.S): Replace with...
155 (NMSUB.fmt): New instruction.
157 2002-06-07 Chris Demetriou <cgd@broadcom.com>
158 Ed Satterthwaite <ehs@broadcom.com>
160 * cp1.c: Fix more comment spelling and formatting.
161 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
162 (denorm_mode): New function.
163 (fpu_unary, fpu_binary): Round results after operation, collect
164 status from rounding operations, and update the FCSR.
165 (convert): Collect status from integer conversions and rounding
166 operations, and update the FCSR. Adjust NaN values that result
167 from conversions. Convert to use sim_io_eprintf rather than
168 fprintf, and remove some debugging code.
169 * cp1.h (fenr_FS): New define.
171 2002-06-07 Chris Demetriou <cgd@broadcom.com>
173 * cp1.c (convert): Remove unusable debugging code, and move MIPS
174 rounding mode to sim FP rounding mode flag conversion code into...
175 (rounding_mode): New function.
177 2002-06-07 Chris Demetriou <cgd@broadcom.com>
179 * cp1.c: Clean up formatting of a few comments.
180 (value_fpr): Reformat switch statement.
182 2002-06-06 Chris Demetriou <cgd@broadcom.com>
183 Ed Satterthwaite <ehs@broadcom.com>
186 * sim-main.h: Include cp1.h.
187 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
188 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
189 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
190 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
191 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
192 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
193 * cp1.c: Don't include sim-fpu.h; already included by
194 sim-main.h. Clean up formatting of some comments.
195 (NaN, Equal, Less): Remove.
196 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
197 (fp_cmp): New functions.
198 * mips.igen (do_c_cond_fmt): Remove.
199 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
200 Compare. Add result tracing.
201 (CxC1): Remove, replace with...
202 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
203 (DMxC1): Remove, replace with...
204 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
205 (MxC1): Remove, replace with...
206 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
208 2002-06-04 Chris Demetriou <cgd@broadcom.com>
210 * sim-main.h (FGRIDX): Remove, replace all uses with...
211 (FGR_BASE): New macro.
212 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
213 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
214 (NR_FGR, FGR): Likewise.
215 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
216 * mips.igen: Likewise.
218 2002-06-04 Chris Demetriou <cgd@broadcom.com>
220 * cp1.c: Add an FSF Copyright notice to this file.
222 2002-06-04 Chris Demetriou <cgd@broadcom.com>
223 Ed Satterthwaite <ehs@broadcom.com>
225 * cp1.c (Infinity): Remove.
226 * sim-main.h (Infinity): Likewise.
228 * cp1.c (fp_unary, fp_binary): New functions.
229 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
230 (fp_sqrt): New functions, implemented in terms of the above.
231 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
232 (Recip, SquareRoot): Remove (replaced by functions above).
233 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
234 (fp_recip, fp_sqrt): New prototypes.
235 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
236 (Recip, SquareRoot): Replace prototypes with #defines which
237 invoke the functions above.
239 2002-06-03 Chris Demetriou <cgd@broadcom.com>
241 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
242 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
243 file, remove PARAMS from prototypes.
244 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
245 simulator state arguments.
246 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
247 pass simulator state arguments.
248 * cp1.c (SD): Redefine as CPU_STATE(cpu).
249 (store_fpr, convert): Remove 'sd' argument.
250 (value_fpr): Likewise. Convert to use 'SD' instead.
252 2002-06-03 Chris Demetriou <cgd@broadcom.com>
254 * cp1.c (Min, Max): Remove #if 0'd functions.
255 * sim-main.h (Min, Max): Remove.
257 2002-06-03 Chris Demetriou <cgd@broadcom.com>
259 * cp1.c: fix formatting of switch case and default labels.
260 * interp.c: Likewise.
261 * sim-main.c: Likewise.
263 2002-06-03 Chris Demetriou <cgd@broadcom.com>
265 * cp1.c: Clean up comments which describe FP formats.
266 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
268 2002-06-03 Chris Demetriou <cgd@broadcom.com>
269 Ed Satterthwaite <ehs@broadcom.com>
271 * configure.in (mipsisa64sb1*-*-*): New target for supporting
272 Broadcom SiByte SB-1 processor configurations.
273 * configure: Regenerate.
274 * sb1.igen: New file.
275 * mips.igen: Include sb1.igen.
277 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
278 * mdmx.igen: Add "sb1" model to all appropriate functions and
280 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
281 (ob_func, ob_acc): Reference the above.
282 (qh_acc): Adjust to keep the same size as ob_acc.
283 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
284 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
286 2002-06-03 Chris Demetriou <cgd@broadcom.com>
288 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
290 2002-06-02 Chris Demetriou <cgd@broadcom.com>
291 Ed Satterthwaite <ehs@broadcom.com>
293 * mips.igen (mdmx): New (pseudo-)model.
294 * mdmx.c, mdmx.igen: New files.
295 * Makefile.in (SIM_OBJS): Add mdmx.o.
296 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
298 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
299 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
300 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
301 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
302 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
303 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
304 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
305 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
306 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
307 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
308 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
309 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
310 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
311 (qh_fmtsel): New macros.
312 (_sim_cpu): New member "acc".
313 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
314 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
316 2002-05-01 Chris Demetriou <cgd@broadcom.com>
318 * interp.c: Use 'deprecated' rather than 'depreciated.'
319 * sim-main.h: Likewise.
321 2002-05-01 Chris Demetriou <cgd@broadcom.com>
323 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
324 which wouldn't compile anyway.
325 * sim-main.h (unpredictable_action): New function prototype.
326 (Unpredictable): Define to call igen function unpredictable().
327 (NotWordValue): New macro to call igen function not_word_value().
328 (UndefinedResult): Remove.
329 * interp.c (undefined_result): Remove.
330 (unpredictable_action): New function.
331 * mips.igen (not_word_value, unpredictable): New functions.
332 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
333 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
334 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
335 NotWordValue() to check for unpredictable inputs, then
336 Unpredictable() to handle them.
338 2002-02-24 Chris Demetriou <cgd@broadcom.com>
340 * mips.igen: Fix formatting of calls to Unpredictable().
342 2002-04-20 Andrew Cagney <ac131313@redhat.com>
344 * interp.c (sim_open): Revert previous change.
346 2002-04-18 Alexandre Oliva <aoliva@redhat.com>
348 * interp.c (sim_open): Disable chunk of code that wrote code in
349 vector table entries.
351 2002-03-19 Chris Demetriou <cgd@broadcom.com>
353 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
354 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
357 2002-03-19 Chris Demetriou <cgd@broadcom.com>
359 * cp1.c: Fix many formatting issues.
361 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
363 * cp1.c (fpu_format_name): New function to replace...
364 (DOFMT): This. Delete, and update all callers.
365 (fpu_rounding_mode_name): New function to replace...
366 (RMMODE): This. Delete, and update all callers.
368 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
370 * interp.c: Move FPU support routines from here to...
371 * cp1.c: Here. New file.
372 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
375 2002-03-12 Chris Demetriou <cgd@broadcom.com>
377 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
378 * mips.igen (mips32, mips64): New models, add to all instructions
379 and functions as appropriate.
380 (loadstore_ea, check_u64): New variant for model mips64.
381 (check_fmt_p): New variant for models mipsV and mips64, remove
382 mipsV model marking fro other variant.
385 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
386 for mips32 and mips64.
387 (DCLO, DCLZ): New instructions for mips64.
389 2002-03-07 Chris Demetriou <cgd@broadcom.com>
391 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
392 immediate or code as a hex value with the "%#lx" format.
393 (ANDI): Likewise, and fix printed instruction name.
395 2002-03-05 Chris Demetriou <cgd@broadcom.com>
397 * sim-main.h (UndefinedResult, Unpredictable): New macros
398 which currently do nothing.
400 2002-03-05 Chris Demetriou <cgd@broadcom.com>
402 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
403 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
404 (status_CU3): New definitions.
406 * sim-main.h (ExceptionCause): Add new values for MIPS32
407 and MIPS64: MDMX, MCheck, CacheErr. Update comments
408 for DebugBreakPoint and NMIReset to note their status in
410 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
411 (SignalExceptionCacheErr): New exception macros.
413 2002-03-05 Chris Demetriou <cgd@broadcom.com>
415 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
416 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
418 (SignalExceptionCoProcessorUnusable): Take as argument the
419 unusable coprocessor number.
421 2002-03-05 Chris Demetriou <cgd@broadcom.com>
423 * mips.igen: Fix formatting of all SignalException calls.
425 2002-03-05 Chris Demetriou <cgd@broadcom.com>
427 * sim-main.h (SIGNEXTEND): Remove.
429 2002-03-04 Chris Demetriou <cgd@broadcom.com>
431 * mips.igen: Remove gencode comment from top of file, fix
432 spelling in another comment.
434 2002-03-04 Chris Demetriou <cgd@broadcom.com>
436 * mips.igen (check_fmt, check_fmt_p): New functions to check
437 whether specific floating point formats are usable.
438 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
439 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
440 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
441 Use the new functions.
442 (do_c_cond_fmt): Remove format checks...
443 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
445 2002-03-03 Chris Demetriou <cgd@broadcom.com>
447 * mips.igen: Fix formatting of check_fpu calls.
449 2002-03-03 Chris Demetriou <cgd@broadcom.com>
451 * mips.igen (FLOOR.L.fmt): Store correct destination register.
453 2002-03-03 Chris Demetriou <cgd@broadcom.com>
455 * mips.igen: Remove whitespace at end of lines.
457 2002-03-02 Chris Demetriou <cgd@broadcom.com>
459 * mips.igen (loadstore_ea): New function to do effective
460 address calculations.
461 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
462 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
463 CACHE): Use loadstore_ea to do effective address computations.
465 2002-03-02 Chris Demetriou <cgd@broadcom.com>
467 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
468 * mips.igen (LL, CxC1, MxC1): Likewise.
470 2002-03-02 Chris Demetriou <cgd@broadcom.com>
472 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
473 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
474 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
475 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
476 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
477 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
478 Don't split opcode fields by hand, use the opcode field values
481 2002-03-01 Chris Demetriou <cgd@broadcom.com>
483 * mips.igen (do_divu): Fix spacing.
485 * mips.igen (do_dsllv): Move to be right before DSLLV,
486 to match the rest of the do_<shift> functions.
488 2002-03-01 Chris Demetriou <cgd@broadcom.com>
490 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
491 DSRL32, do_dsrlv): Trace inputs and results.
493 2002-03-01 Chris Demetriou <cgd@broadcom.com>
495 * mips.igen (CACHE): Provide instruction-printing string.
497 * interp.c (signal_exception): Comment tokens after #endif.
499 2002-02-28 Chris Demetriou <cgd@broadcom.com>
501 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
502 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
503 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
504 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
505 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
506 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
507 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
508 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
510 2002-02-28 Chris Demetriou <cgd@broadcom.com>
512 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
513 instruction-printing string.
514 (LWU): Use '64' as the filter flag.
516 2002-02-28 Chris Demetriou <cgd@broadcom.com>
518 * mips.igen (SDXC1): Fix instruction-printing string.
520 2002-02-28 Chris Demetriou <cgd@broadcom.com>
522 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
525 2002-02-27 Chris Demetriou <cgd@broadcom.com>
527 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
530 2002-02-27 Chris Demetriou <cgd@broadcom.com>
532 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
533 add a comma) so that it more closely match the MIPS ISA
534 documentation opcode partitioning.
535 (PREF): Put useful names on opcode fields, and include
536 instruction-printing string.
538 2002-02-27 Chris Demetriou <cgd@broadcom.com>
540 * mips.igen (check_u64): New function which in the future will
541 check whether 64-bit instructions are usable and signal an
542 exception if not. Currently a no-op.
543 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
544 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
545 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
546 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
548 * mips.igen (check_fpu): New function which in the future will
549 check whether FPU instructions are usable and signal an exception
550 if not. Currently a no-op.
551 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
552 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
553 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
554 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
555 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
556 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
557 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
558 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
560 2002-02-27 Chris Demetriou <cgd@broadcom.com>
562 * mips.igen (do_load_left, do_load_right): Move to be immediately
564 (do_store_left, do_store_right): Move to be immediately following
567 2002-02-27 Chris Demetriou <cgd@broadcom.com>
569 * mips.igen (mipsV): New model name. Also, add it to
570 all instructions and functions where it is appropriate.
572 2002-02-18 Chris Demetriou <cgd@broadcom.com>
574 * mips.igen: For all functions and instructions, list model
575 names that support that instruction one per line.
577 2002-02-11 Chris Demetriou <cgd@broadcom.com>
579 * mips.igen: Add some additional comments about supported
580 models, and about which instructions go where.
581 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
582 order as is used in the rest of the file.
584 2002-02-11 Chris Demetriou <cgd@broadcom.com>
586 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
587 indicating that ALU32_END or ALU64_END are there to check
589 (DADD): Likewise, but also remove previous comment about
592 2002-02-10 Chris Demetriou <cgd@broadcom.com>
594 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
595 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
596 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
597 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
598 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
599 fields (i.e., add and move commas) so that they more closely
600 match the MIPS ISA documentation opcode partitioning.
602 2002-02-10 Chris Demetriou <cgd@broadcom.com>
604 * mips.igen (ADDI): Print immediate value.
606 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
607 (SLL): Print "nop" specially, and don't run the code
608 that does the shift for the "nop" case.
610 2001-11-17 Fred Fish <fnf@redhat.com>
612 * sim-main.h (float_operation): Move enum declaration outside
613 of _sim_cpu struct declaration.
615 2001-04-12 Jim Blandy <jimb@redhat.com>
617 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
618 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
620 * sim-main.h (COCIDX): Remove definition; this isn't supported by
621 PENDING_FILL, and you can get the intended effect gracefully by
622 calling PENDING_SCHED directly.
624 2001-02-23 Ben Elliston <bje@redhat.com>
626 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
627 already defined elsewhere.
629 2001-02-19 Ben Elliston <bje@redhat.com>
631 * sim-main.h (sim_monitor): Return an int.
632 * interp.c (sim_monitor): Add return values.
633 (signal_exception): Handle error conditions from sim_monitor.
635 2001-02-08 Ben Elliston <bje@redhat.com>
637 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
638 (store_memory): Likewise, pass cia to sim_core_write*.
640 2000-10-19 Frank Ch. Eigler <fche@redhat.com>
642 On advice from Chris G. Demetriou <cgd@sibyte.com>:
643 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
645 Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
647 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
648 * Makefile.in: Don't delete *.igen when cleaning directory.
650 Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
652 * m16.igen (break): Call SignalException not sim_engine_halt.
654 Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
657 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
659 Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
661 * mips.igen (MxC1, DMxC1): Fix printf formatting.
663 2000-05-24 Michael Hayes <mhayes@cygnus.com>
665 * mips.igen (do_dmultx): Fix typo.
667 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
669 * configure: Regenerated to track ../common/aclocal.m4 changes.
671 Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
673 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
675 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
677 * sim-main.h (GPR_CLEAR): Define macro.
679 Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
681 * interp.c (decode_coproc): Output long using %lx and not %s.
683 2000-03-21 Frank Ch. Eigler <fche@redhat.com>
685 * interp.c (sim_open): Sort & extend dummy memory regions for
686 --board=jmr3904 for eCos.
688 2000-03-02 Frank Ch. Eigler <fche@redhat.com>
690 * configure: Regenerated.
692 Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
694 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
695 calls, conditional on the simulator being in verbose mode.
697 Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
699 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
700 cache don't get ReservedInstruction traps.
702 1999-11-29 Mark Salter <msalter@cygnus.com>
704 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
705 to clear status bits in sdisr register. This is how the hardware works.
707 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
708 being used by cygmon.
710 1999-11-11 Andrew Haley <aph@cygnus.com>
712 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
715 Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
717 * mips.igen (MULT): Correct previous mis-applied patch.
719 Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
721 * mips.igen (delayslot32): Handle sequence like
722 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
723 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
724 (MULT): Actually pass the third register...
726 1999-09-03 Mark Salter <msalter@cygnus.com>
728 * interp.c (sim_open): Added more memory aliases for additional
729 hardware being touched by cygmon on jmr3904 board.
731 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
733 * configure: Regenerated to track ../common/aclocal.m4 changes.
735 Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
737 * interp.c (sim_store_register): Handle case where client - GDB -
738 specifies that a 4 byte register is 8 bytes in size.
739 (sim_fetch_register): Ditto.
741 1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
743 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
744 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
745 (idt_monitor_base): Base address for IDT monitor traps.
746 (pmon_monitor_base): Ditto for PMON.
747 (lsipmon_monitor_base): Ditto for LSI PMON.
748 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
749 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
750 (sim_firmware_command): New function.
751 (mips_option_handler): Call it for OPTION_FIRMWARE.
752 (sim_open): Allocate memory for idt_monitor region. If "--board"
753 option was given, add no monitor by default. Add BREAK hooks only if
754 monitors are also there.
756 Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
758 * interp.c (sim_monitor): Flush output before reading input.
760 Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
762 * tconfig.in (SIM_HANDLES_LMA): Always define.
764 Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
766 From Mark Salter <msalter@cygnus.com>:
767 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
768 (sim_open): Add setup for BSP board.
770 Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
772 * mips.igen (MULT, MULTU): Add syntax for two operand version.
773 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
774 them as unimplemented.
776 1999-05-08 Felix Lee <flee@cygnus.com>
778 * configure: Regenerated to track ../common/aclocal.m4 changes.
780 1999-04-21 Frank Ch. Eigler <fche@cygnus.com>
782 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
784 Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
786 * configure.in: Any mips64vr5*-*-* target should have
787 -DTARGET_ENABLE_FR=1.
788 (default_endian): Any mips64vr*el-*-* target should default to
790 * configure: Re-generate.
792 1999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
794 * mips.igen (ldl): Extend from _16_, not 32.
796 Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
798 * interp.c (sim_store_register): Force registers written to by GDB
799 into an un-interpreted state.
801 1999-02-05 Frank Ch. Eigler <fche@cygnus.com>
803 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
804 CPU, start periodic background I/O polls.
805 (tx3904sio_poll): New function: periodic I/O poller.
807 1998-12-30 Frank Ch. Eigler <fche@cygnus.com>
809 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
811 Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
813 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
816 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
818 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
819 (load_word): Call SIM_CORE_SIGNAL hook on error.
820 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
821 starting. For exception dispatching, pass PC instead of NULL_CIA.
822 (decode_coproc): Use COP0_BADVADDR to store faulting address.
823 * sim-main.h (COP0_BADVADDR): Define.
824 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
825 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
826 (_sim_cpu): Add exc_* fields to store register value snapshots.
827 * mips.igen (*): Replace memory-related SignalException* calls
828 with references to SIM_CORE_SIGNAL hook.
830 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
832 * sim-main.c (*): Minor warning cleanups.
834 1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
836 * m16.igen (DADDIU5): Correct type-o.
838 Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
840 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
843 Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
845 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
847 (interp.o): Add dependency on itable.h
848 (oengine.c, gencode): Delete remaining references.
849 (BUILT_SRC_FROM_GEN): Clean up.
851 1998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
854 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
855 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
857 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
858 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
859 Drop the "64" qualifier to get the HACK generator working.
860 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
861 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
862 qualifier to get the hack generator working.
863 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
865 (DSLLV): Use do_dsllv.
868 (DSRLV): Use do_dsrlv.
869 (BC1): Move *vr4100 to get the HACK generator working.
870 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
871 get the HACK generator working.
872 (MACC) Rename to get the HACK generator working.
873 (DMACC,MACCS,DMACCS): Add the 64.
875 1998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
877 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
878 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
880 1998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
882 * mips/interp.c (DEBUG): Cleanups.
884 1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
886 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
887 (tx3904sio_tickle): fflush after a stdout character output.
889 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
891 * interp.c (sim_close): Uninstall modules.
893 Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
895 * sim-main.h, interp.c (sim_monitor): Change to global
898 Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
900 * configure.in (vr4100): Only include vr4100 instructions in
902 * configure: Re-generate.
903 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
905 Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
907 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
908 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
911 * configure.in (sim_default_gen, sim_use_gen): Replace with
913 (--enable-sim-igen): Delete config option. Always using IGEN.
914 * configure: Re-generate.
916 * Makefile.in (gencode): Kill, kill, kill.
919 Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
921 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
922 bit mips16 igen simulator.
923 * configure: Re-generate.
925 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
926 as part of vr4100 ISA.
927 * vr.igen: Mark all instructions as 64 bit only.
929 Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
931 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
934 Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
936 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
937 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
938 * configure: Re-generate.
940 * m16.igen (BREAK): Define breakpoint instruction.
941 (JALX32): Mark instruction as mips16 and not r3900.
942 * mips.igen (C.cond.fmt): Fix typo in instruction format.
944 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
946 Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
948 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
949 insn as a debug breakpoint.
951 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
953 (PENDING_SCHED): Clean up trace statement.
954 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
955 (PENDING_FILL): Delay write by only one cycle.
956 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
958 * sim-main.c (pending_tick): Clean up trace statements. Add trace
960 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
962 (pending_tick): Move incrementing of index to FOR statement.
963 (pending_tick): Only update PENDING_OUT after a write has occured.
965 * configure.in: Add explicit mips-lsi-* target. Use gencode to
967 * configure: Re-generate.
969 * interp.c (sim_engine_run OLD): Delete explicit call to
970 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
972 Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
974 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
975 interrupt level number to match changed SignalExceptionInterrupt
978 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
980 * interp.c: #include "itable.h" if WITH_IGEN.
981 (get_insn_name): New function.
982 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
983 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
985 Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
987 * configure: Rebuilt to inhale new common/aclocal.m4.
989 Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
991 * dv-tx3904sio.c: Include sim-assert.h.
993 Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
995 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
996 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
997 Reorganize target-specific sim-hardware checks.
998 * configure: rebuilt.
999 * interp.c (sim_open): For tx39 target boards, set
1000 OPERATING_ENVIRONMENT, add tx3904sio devices.
1001 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1002 ROM executables. Install dv-sockser into sim-modules list.
1004 * dv-tx3904irc.c: Compiler warning clean-up.
1005 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1006 frequent hw-trace messages.
1008 Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1010 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1012 Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1014 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1016 * vr.igen: New file.
1017 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1018 * mips.igen: Define vr4100 model. Include vr.igen.
1019 Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1021 * mips.igen (check_mf_hilo): Correct check.
1023 Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1025 * sim-main.h (interrupt_event): Add prototype.
1027 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1028 register_ptr, register_value.
1029 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1031 * sim-main.h (tracefh): Make extern.
1033 Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1035 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
1036 Reduce unnecessarily high timer event frequency.
1037 * dv-tx3904cpu.c: Ditto for interrupt event.
1039 Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1041 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1043 (interrupt_event): Made non-static.
1045 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1046 interchange of configuration values for external vs. internal
1049 Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1051 * mips.igen (BREAK): Moved code to here for
1052 simulator-reserved break instructions.
1053 * gencode.c (build_instruction): Ditto.
1054 * interp.c (signal_exception): Code moved from here. Non-
1055 reserved instructions now use exception vector, rather
1057 * sim-main.h: Moved magic constants to here.
1059 Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1061 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1062 register upon non-zero interrupt event level, clear upon zero
1064 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1065 by passing zero event value.
1066 (*_io_{read,write}_buffer): Endianness fixes.
1067 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1068 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1070 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1071 serial I/O and timer module at base address 0xFFFF0000.
1073 Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1075 * mips.igen (SWC1) : Correct the handling of ReverseEndian
1078 Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1080 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1082 * configure: Update.
1084 Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1086 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1087 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1088 * configure.in: Include tx3904tmr in hw_device list.
1089 * configure: Rebuilt.
1090 * interp.c (sim_open): Instantiate three timer instances.
1091 Fix address typo of tx3904irc instance.
1093 Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1095 * interp.c (signal_exception): SystemCall exception now uses
1096 the exception vector.
1098 Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1100 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1103 Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1105 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1107 Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1109 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1111 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1112 sim-main.h. Declare a struct hw_descriptor instead of struct
1113 hw_device_descriptor.
1115 Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1117 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1118 right bits and then re-align left hand bytes to correct byte
1119 lanes. Fix incorrect computation in do_store_left when loading
1120 bytes from second word.
1122 Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1124 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1125 * interp.c (sim_open): Only create a device tree when HW is
1128 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1129 * interp.c (signal_exception): Ditto.
1131 Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1133 * gencode.c: Mark BEGEZALL as LIKELY.
1135 Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1137 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1138 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
1140 Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1142 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1143 modules. Recognize TX39 target with "mips*tx39" pattern.
1144 * configure: Rebuilt.
1145 * sim-main.h (*): Added many macros defining bits in
1146 TX39 control registers.
1147 (SignalInterrupt): Send actual PC instead of NULL.
1148 (SignalNMIReset): New exception type.
1149 * interp.c (board): New variable for future use to identify
1150 a particular board being simulated.
1151 (mips_option_handler,mips_options): Added "--board" option.
1152 (interrupt_event): Send actual PC.
1153 (sim_open): Make memory layout conditional on board setting.
1154 (signal_exception): Initial implementation of hardware interrupt
1155 handling. Accept another break instruction variant for simulator
1157 (decode_coproc): Implement RFE instruction for TX39.
1158 (mips.igen): Decode RFE instruction as such.
1159 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1160 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1161 bbegin to implement memory map.
1162 * dv-tx3904cpu.c: New file.
1163 * dv-tx3904irc.c: New file.
1165 Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1167 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1169 Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1171 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1172 with calls to check_div_hilo.
1174 Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1176 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1177 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
1178 Add special r3900 version of do_mult_hilo.
1179 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1180 with calls to check_mult_hilo.
1181 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1182 with calls to check_div_hilo.
1184 Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1186 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1187 Document a replacement.
1189 Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1191 * interp.c (sim_monitor): Make mon_printf work.
1193 Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1195 * sim-main.h (INSN_NAME): New arg `cpu'.
1197 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1199 * configure: Regenerated to track ../common/aclocal.m4 changes.
1201 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1203 * configure: Regenerated to track ../common/aclocal.m4 changes.
1206 Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1208 * acconfig.h: New file.
1209 * configure.in: Reverted change of Apr 24; use sinclude again.
1211 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1213 * configure: Regenerated to track ../common/aclocal.m4 changes.
1216 Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1218 * configure.in: Don't call sinclude.
1220 Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1222 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1224 Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1226 * mips.igen (ERET): Implement.
1228 * interp.c (decode_coproc): Return sign-extended EPC.
1230 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1232 * interp.c (signal_exception): Do not ignore Trap.
1233 (signal_exception): On TRAP, restart at exception address.
1234 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1235 (signal_exception): Update.
1236 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1237 so that TRAP instructions are caught.
1239 Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
1241 * sim-main.h (struct hilo_access, struct hilo_history): Define,
1242 contains HI/LO access history.
1243 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
1244 (HIACCESS, LOACCESS): Delete, replace with
1245 (HIHISTORY, LOHISTORY): New macros.
1246 (CHECKHILO): Delete all, moved to mips.igen
1248 * gencode.c (build_instruction): Do not generate checks for
1249 correct HI/LO register usage.
1251 * interp.c (old_engine_run): Delete checks for correct HI/LO
1254 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
1255 check_mf_cycles): New functions.
1256 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
1257 do_divu, domultx, do_mult, do_multu): Use.
1259 * tx.igen ("madd", "maddu"): Use.
1261 Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1263 * mips.igen (DSRAV): Use function do_dsrav.
1264 (SRAV): Use new function do_srav.
1266 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1267 (B): Sign extend 11 bit immediate.
1268 (EXT-B*): Shift 16 bit immediate left by 1.
1269 (ADDIU*): Don't sign extend immediate value.
1271 Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1273 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1275 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1278 * mips.igen (delayslot32, nullify_next_insn): New functions.
1279 (m16.igen): Always include.
1280 (do_*): Add more tracing.
1282 * m16.igen (delayslot16): Add NIA argument, could be called by a
1283 32 bit MIPS16 instruction.
1285 * interp.c (ifetch16): Move function from here.
1286 * sim-main.c (ifetch16): To here.
1288 * sim-main.c (ifetch16, ifetch32): Update to match current
1289 implementations of LH, LW.
1290 (signal_exception): Don't print out incorrect hex value of illegal
1293 Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1295 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1298 * m16.igen: Implement MIPS16 instructions.
1300 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1301 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1302 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1303 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1304 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1305 bodies of corresponding code from 32 bit insn to these. Also used
1306 by MIPS16 versions of functions.
1308 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1309 (IMEM16): Drop NR argument from macro.
1311 Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1313 * Makefile.in (SIM_OBJS): Add sim-main.o.
1315 * sim-main.h (address_translation, load_memory, store_memory,
1316 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1318 (pr_addr, pr_uword64): Declare.
1319 (sim-main.c): Include when H_REVEALS_MODULE_P.
1321 * interp.c (address_translation, load_memory, store_memory,
1322 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1324 * sim-main.c: To here. Fix compilation problems.
1326 * configure.in: Enable inlining.
1327 * configure: Re-config.
1329 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1331 * configure: Regenerated to track ../common/aclocal.m4 changes.
1333 Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1335 * mips.igen: Include tx.igen.
1336 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1337 * tx.igen: New file, contains MADD and MADDU.
1339 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1340 the hardwired constant `7'.
1341 (store_memory): Ditto.
1342 (LOADDRMASK): Move definition to sim-main.h.
1344 mips.igen (MTC0): Enable for r3900.
1347 mips.igen (do_load_byte): Delete.
1348 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1349 do_store_right): New functions.
1350 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1352 configure.in: Let the tx39 use igen again.
1355 Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1357 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1358 not an address sized quantity. Return zero for cache sizes.
1360 Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1362 * mips.igen (r3900): r3900 does not support 64 bit integer
1365 Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1367 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1369 * configure : Rebuild.
1371 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1373 * configure: Regenerated to track ../common/aclocal.m4 changes.
1375 Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1377 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1379 Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1381 * configure: Regenerated to track ../common/aclocal.m4 changes.
1382 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1384 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1386 * configure: Regenerated to track ../common/aclocal.m4 changes.
1388 Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1390 * interp.c (Max, Min): Comment out functions. Not yet used.
1392 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1394 * configure: Regenerated to track ../common/aclocal.m4 changes.
1396 Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1398 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1399 configurable settings for stand-alone simulator.
1401 * configure.in: Added X11 search, just in case.
1403 * configure: Regenerated.
1405 Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1407 * interp.c (sim_write, sim_read, load_memory, store_memory):
1408 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1410 Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1412 * sim-main.h (GETFCC): Return an unsigned value.
1414 Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1416 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1417 (DADD): Result destination is RD not RT.
1419 Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1421 * sim-main.h (HIACCESS, LOACCESS): Always define.
1423 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1425 * interp.c (sim_info): Delete.
1427 Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1429 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1430 (mips_option_handler): New argument `cpu'.
1431 (sim_open): Update call to sim_add_option_table.
1433 Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1435 * mips.igen (CxC1): Add tracing.
1437 Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1439 * sim-main.h (Max, Min): Declare.
1441 * interp.c (Max, Min): New functions.
1443 * mips.igen (BC1): Add tracing.
1445 Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1447 * interp.c Added memory map for stack in vr4100
1449 Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1451 * interp.c (load_memory): Add missing "break"'s.
1453 Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1455 * interp.c (sim_store_register, sim_fetch_register): Pass in
1456 length parameter. Return -1.
1458 Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1460 * interp.c: Added hardware init hook, fixed warnings.
1462 Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1464 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1466 Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1468 * interp.c (ifetch16): New function.
1470 * sim-main.h (IMEM32): Rename IMEM.
1471 (IMEM16_IMMED): Define.
1473 (DELAY_SLOT): Update.
1475 * m16run.c (sim_engine_run): New file.
1477 * m16.igen: All instructions except LB.
1478 (LB): Call do_load_byte.
1479 * mips.igen (do_load_byte): New function.
1480 (LB): Call do_load_byte.
1482 * mips.igen: Move spec for insn bit size and high bit from here.
1483 * Makefile.in (tmp-igen, tmp-m16): To here.
1485 * m16.dc: New file, decode mips16 instructions.
1487 * Makefile.in (SIM_NO_ALL): Define.
1488 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1490 Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1492 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1493 point unit to 32 bit registers.
1494 * configure: Re-generate.
1496 Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1498 * configure.in (sim_use_gen): Make IGEN the default simulator
1499 generator for generic 32 and 64 bit mips targets.
1500 * configure: Re-generate.
1502 Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1504 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1507 * interp.c (sim_fetch_register, sim_store_register): Read/write
1508 FGR from correct location.
1509 (sim_open): Set size of FGR's according to
1510 WITH_TARGET_FLOATING_POINT_BITSIZE.
1512 * sim-main.h (FGR): Store floating point registers in a separate
1515 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1517 * configure: Regenerated to track ../common/aclocal.m4 changes.
1519 Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1521 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1523 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1525 * interp.c (pending_tick): New function. Deliver pending writes.
1527 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1528 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1529 it can handle mixed sized quantites and single bits.
1531 Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1533 * interp.c (oengine.h): Do not include when building with IGEN.
1534 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1535 (sim_info): Ditto for PROCESSOR_64BIT.
1536 (sim_monitor): Replace ut_reg with unsigned_word.
1537 (*): Ditto for t_reg.
1538 (LOADDRMASK): Define.
1539 (sim_open): Remove defunct check that host FP is IEEE compliant,
1540 using software to emulate floating point.
1541 (value_fpr, ...): Always compile, was conditional on HASFPU.
1543 Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1545 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1548 * interp.c (SD, CPU): Define.
1549 (mips_option_handler): Set flags in each CPU.
1550 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1551 (sim_close): Do not clear STATE, deleted anyway.
1552 (sim_write, sim_read): Assume CPU zero's vm should be used for
1554 (sim_create_inferior): Set the PC for all processors.
1555 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1557 (mips16_entry): Pass correct nr of args to store_word, load_word.
1558 (ColdReset): Cold reset all cpu's.
1559 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1560 (sim_monitor, load_memory, store_memory, signal_exception): Use
1561 `CPU' instead of STATE_CPU.
1564 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1567 * sim-main.h (signal_exception): Add sim_cpu arg.
1568 (SignalException*): Pass both SD and CPU to signal_exception.
1569 * interp.c (signal_exception): Update.
1571 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1573 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1574 address_translation): Ditto
1575 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1577 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1579 * configure: Regenerated to track ../common/aclocal.m4 changes.
1581 Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1583 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1585 * mips.igen (model): Map processor names onto BFD name.
1587 * sim-main.h (CPU_CIA): Delete.
1588 (SET_CIA, GET_CIA): Define
1590 Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1592 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1595 * configure.in (default_endian): Configure a big-endian simulator
1597 * configure: Re-generate.
1599 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1601 * configure: Regenerated to track ../common/aclocal.m4 changes.
1603 Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1605 * interp.c (sim_monitor): Handle Densan monitor outbyte
1606 and inbyte functions.
1608 1997-12-29 Felix Lee <flee@cygnus.com>
1610 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1612 Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1614 * Makefile.in (tmp-igen): Arrange for $zero to always be
1615 reset to zero after every instruction.
1617 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1619 * configure: Regenerated to track ../common/aclocal.m4 changes.
1622 Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1624 * mips.igen (MSUB): Fix to work like MADD.
1625 * gencode.c (MSUB): Similarly.
1627 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1629 * configure: Regenerated to track ../common/aclocal.m4 changes.
1631 Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1633 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1635 Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1637 * sim-main.h (sim-fpu.h): Include.
1639 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1640 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1641 using host independant sim_fpu module.
1643 Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1645 * interp.c (signal_exception): Report internal errors with SIGABRT
1648 * sim-main.h (C0_CONFIG): New register.
1649 (signal.h): No longer include.
1651 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1653 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
1655 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
1657 Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1659 * mips.igen: Tag vr5000 instructions.
1660 (ANDI): Was missing mipsIV model, fix assembler syntax.
1661 (do_c_cond_fmt): New function.
1662 (C.cond.fmt): Handle mips I-III which do not support CC field
1664 (bc1): Handle mips IV which do not have a delaed FCC separatly.
1665 (SDR): Mask paddr when BigEndianMem, not the converse as specified
1667 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
1668 vr5000 which saves LO in a GPR separatly.
1670 * configure.in (enable-sim-igen): For vr5000, select vr5000
1671 specific instructions.
1672 * configure: Re-generate.
1674 Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
1676 * Makefile.in (SIM_OBJS): Add sim-fpu module.
1678 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
1679 fmt_uninterpreted_64 bit cases to switch. Convert to
1682 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
1684 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
1685 as specified in IV3.2 spec.
1686 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
1688 Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1690 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
1691 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
1692 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
1693 PENDING_FILL versions of instructions. Simplify.
1695 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
1697 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
1699 (MTHI, MFHI): Disable code checking HI-LO.
1701 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
1703 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
1705 Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
1707 * gencode.c (build_mips16_operands): Replace IPC with cia.
1709 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
1710 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
1712 (UndefinedResult): Replace function with macro/function
1714 (sim_engine_run): Don't save PC in IPC.
1716 * sim-main.h (IPC): Delete.
1719 * interp.c (signal_exception, store_word, load_word,
1720 address_translation, load_memory, store_memory, cache_op,
1721 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
1722 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
1723 current instruction address - cia - argument.
1724 (sim_read, sim_write): Call address_translation directly.
1725 (sim_engine_run): Rename variable vaddr to cia.
1726 (signal_exception): Pass cia to sim_monitor
1728 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
1729 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
1730 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
1732 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
1733 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
1736 * interp.c (signal_exception): Pass restart address to
1739 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
1740 idecode.o): Add dependency.
1742 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
1744 (DELAY_SLOT): Update NIA not PC with branch address.
1745 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
1747 * mips.igen: Use CIA not PC in branch calculations.
1748 (illegal): Call SignalException.
1749 (BEQ, ADDIU): Fix assembler.
1751 Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1753 * m16.igen (JALX): Was missing.
1755 * configure.in (enable-sim-igen): New configuration option.
1756 * configure: Re-generate.
1758 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
1760 * interp.c (load_memory, store_memory): Delete parameter RAW.
1761 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
1762 bypassing {load,store}_memory.
1764 * sim-main.h (ByteSwapMem): Delete definition.
1766 * Makefile.in (SIM_OBJS): Add sim-memopt module.
1768 * interp.c (sim_do_command, sim_commands): Delete mips specific
1769 commands. Handled by module sim-options.
1771 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
1772 (WITH_MODULO_MEMORY): Define.
1774 * interp.c (sim_info): Delete code printing memory size.
1776 * interp.c (mips_size): Nee sim_size, delete function.
1778 (monitor, monitor_base, monitor_size): Delete global variables.
1779 (sim_open, sim_close): Delete code creating monitor and other
1780 memory regions. Use sim-memopts module, via sim_do_commandf, to
1781 manage memory regions.
1782 (load_memory, store_memory): Use sim-core for memory model.
1784 * interp.c (address_translation): Delete all memory map code
1785 except line forcing 32 bit addresses.
1787 Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1789 * sim-main.h (WITH_TRACE): Delete definition. Enables common
1792 * interp.c (logfh, logfile): Delete globals.
1793 (sim_open, sim_close): Delete code opening & closing log file.
1794 (mips_option_handler): Delete -l and -n options.
1795 (OPTION mips_options): Ditto.
1797 * interp.c (OPTION mips_options): Rename option trace to dinero.
1798 (mips_option_handler): Update.
1800 Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1802 * interp.c (fetch_str): New function.
1803 (sim_monitor): Rewrite using sim_read & sim_write.
1804 (sim_open): Check magic number.
1805 (sim_open): Write monitor vectors into memory using sim_write.
1806 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
1807 (sim_read, sim_write): Simplify - transfer data one byte at a
1809 (load_memory, store_memory): Clarify meaning of parameter RAW.
1811 * sim-main.h (isHOST): Defete definition.
1812 (isTARGET): Mark as depreciated.
1813 (address_translation): Delete parameter HOST.
1815 * interp.c (address_translation): Delete parameter HOST.
1817 Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1821 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
1822 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
1824 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
1826 * mips.igen: Add model filter field to records.
1828 Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1830 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
1832 interp.c (sim_engine_run): Do not compile function sim_engine_run
1833 when WITH_IGEN == 1.
1835 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
1836 target architecture.
1838 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
1839 igen. Replace with configuration variables sim_igen_flags /
1842 * m16.igen: New file. Copy mips16 insns here.
1843 * mips.igen: From here.
1845 Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1847 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
1849 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
1851 Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
1853 * gencode.c (build_instruction): Follow sim_write's lead in using
1854 BigEndianMem instead of !ByteSwapMem.
1856 Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
1858 * configure.in (sim_gen): Dependent on target, select type of
1859 generator. Always select old style generator.
1861 configure: Re-generate.
1863 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
1865 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
1866 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
1867 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
1868 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
1869 SIM_@sim_gen@_*, set by autoconf.
1871 Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
1873 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
1875 * interp.c (ColdReset): Remove #ifdef HASFPU, check
1876 CURRENT_FLOATING_POINT instead.
1878 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
1879 (address_translation): Raise exception InstructionFetch when
1880 translation fails and isINSTRUCTION.
1882 * interp.c (sim_open, sim_write, sim_monitor, store_word,
1883 sim_engine_run): Change type of of vaddr and paddr to
1885 (address_translation, prefetch, load_memory, store_memory,
1886 cache_op): Change type of vAddr and pAddr to address_word.
1888 * gencode.c (build_instruction): Change type of vaddr and paddr to
1891 Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
1893 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
1894 macro to obtain result of ALU op.
1896 Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
1898 * interp.c (sim_info): Call profile_print.
1900 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1902 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
1904 * sim-main.h (WITH_PROFILE): Do not define, defined in
1905 common/sim-config.h. Use sim-profile module.
1906 (simPROFILE): Delete defintion.
1908 * interp.c (PROFILE): Delete definition.
1909 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
1910 (sim_close): Delete code writing profile histogram.
1911 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
1913 (sim_engine_run): Delete code profiling the PC.
1915 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1917 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
1919 * interp.c (sim_monitor): Make register pointers of type
1922 * sim-main.h: Make registers of type unsigned_word not
1925 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
1927 * interp.c (sync_operation): Rename from SyncOperation, make
1928 global, add SD argument.
1929 (prefetch): Rename from Prefetch, make global, add SD argument.
1930 (decode_coproc): Make global.
1932 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
1934 * gencode.c (build_instruction): Generate DecodeCoproc not
1935 decode_coproc calls.
1937 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
1938 (SizeFGR): Move to sim-main.h
1939 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
1940 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
1941 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
1943 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
1944 FP_RM_TOMINF, GETRM): Move to sim-main.h.
1945 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
1946 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
1947 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
1948 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
1950 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
1952 (sim-alu.h): Include.
1953 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
1954 (sim_cia): Typedef to instruction_address.
1956 Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
1958 * Makefile.in (interp.o): Rename generated file engine.c to
1963 Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1965 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
1967 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
1969 * gencode.c (build_instruction): For "FPSQRT", output correct
1970 number of arguments to Recip.
1972 Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
1974 * Makefile.in (interp.o): Depends on sim-main.h
1976 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
1978 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
1979 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
1980 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
1981 STATE, DSSTATE): Define
1982 (GPR, FGRIDX, ..): Define.
1984 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
1985 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
1986 (GPR, FGRIDX, ...): Delete macros.
1988 * interp.c: Update names to match defines from sim-main.h
1990 Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
1992 * interp.c (sim_monitor): Add SD argument.
1993 (sim_warning): Delete. Replace calls with calls to
1995 (sim_error): Delete. Replace calls with sim_io_error.
1996 (open_trace, writeout32, writeout16, getnum): Add SD argument.
1997 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
1998 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2000 (mips_size): Rename from sim_size. Add SD argument.
2002 * interp.c (simulator): Delete global variable.
2003 (callback): Delete global variable.
2004 (mips_option_handler, sim_open, sim_write, sim_read,
2005 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2006 sim_size,sim_monitor): Use sim_io_* not callback->*.
2007 (sim_open): ZALLOC simulator struct.
2008 (PROFILE): Do not define.
2010 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2012 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2013 support.h with corresponding code.
2015 * sim-main.h (word64, uword64), support.h: Move definition to
2017 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2020 * Makefile.in: Update dependencies
2021 * interp.c: Do not include.
2023 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2025 * interp.c (address_translation, load_memory, store_memory,
2026 cache_op): Rename to from AddressTranslation et.al., make global,
2029 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2032 * interp.c (SignalException): Rename to signal_exception, make
2035 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
2037 * sim-main.h (SignalException, SignalExceptionInterrupt,
2038 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2039 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2040 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2043 * interp.c, support.h: Use.
2045 Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2047 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2048 to value_fpr / store_fpr. Add SD argument.
2049 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2050 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2052 * sim-main.h (ValueFPR, StoreFPR): Define.
2054 Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2056 * interp.c (sim_engine_run): Check consistency between configure
2057 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2060 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
2061 (mips_fpu): Configure WITH_FLOATING_POINT.
2062 (mips_endian): Configure WITH_TARGET_ENDIAN.
2063 * configure: Update.
2065 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2067 * configure: Regenerated to track ../common/aclocal.m4 changes.
2069 Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2071 * configure: Regenerated.
2073 Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2075 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2077 Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2079 * gencode.c (print_igen_insn_models): Assume certain architectures
2080 include all mips* instructions.
2081 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2084 * Makefile.in (tmp.igen): Add target. Generate igen input from
2087 * gencode.c (FEATURE_IGEN): Define.
2088 (main): Add --igen option. Generate output in igen format.
2089 (process_instructions): Format output according to igen option.
2090 (print_igen_insn_format): New function.
2091 (print_igen_insn_models): New function.
2092 (process_instructions): Only issue warnings and ignore
2093 instructions when no FEATURE_IGEN.
2095 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2097 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2100 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2102 * configure: Regenerated to track ../common/aclocal.m4 changes.
2104 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2106 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2107 SIM_RESERVED_BITS): Delete, moved to common.
2108 (SIM_EXTRA_CFLAGS): Update.
2110 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2112 * configure.in: Configure non-strict memory alignment.
2113 * configure: Regenerated to track ../common/aclocal.m4 changes.
2115 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2117 * configure: Regenerated to track ../common/aclocal.m4 changes.
2119 Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2121 * gencode.c (SDBBP,DERET): Added (3900) insns.
2122 (RFE): Turn on for 3900.
2123 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2124 (dsstate): Made global.
2125 (SUBTARGET_R3900): Added.
2126 (CANCELDELAYSLOT): New.
2127 (SignalException): Ignore SystemCall rather than ignore and
2128 terminate. Add DebugBreakPoint handling.
2129 (decode_coproc): New insns RFE, DERET; and new registers Debug
2130 and DEPC protected by SUBTARGET_R3900.
2131 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2133 * Makefile.in,configure.in: Add mips subtarget option.
2134 * configure: Update.
2136 Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2138 * gencode.c: Add r3900 (tx39).
2141 Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2143 * gencode.c (build_instruction): Don't need to subtract 4 for
2146 Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2148 * interp.c: Correct some HASFPU problems.
2150 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2152 * configure: Regenerated to track ../common/aclocal.m4 changes.
2154 Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2156 * interp.c (mips_options): Fix samples option short form, should
2159 Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2161 * interp.c (sim_info): Enable info code. Was just returning.
2163 Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2165 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2168 Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2170 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2172 (build_instruction): Ditto for LL.
2174 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2176 * configure: Regenerated to track ../common/aclocal.m4 changes.
2178 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2180 * configure: Regenerated to track ../common/aclocal.m4 changes.
2183 Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2185 * interp.c (sim_open): Add call to sim_analyze_program, update
2188 Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2190 * interp.c (sim_kill): Delete.
2191 (sim_create_inferior): Add ABFD argument. Set PC from same.
2192 (sim_load): Move code initializing trap handlers from here.
2193 (sim_open): To here.
2194 (sim_load): Delete, use sim-hload.c.
2196 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2198 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2200 * configure: Regenerated to track ../common/aclocal.m4 changes.
2203 Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2205 * interp.c (sim_open): Add ABFD argument.
2206 (sim_load): Move call to sim_config from here.
2207 (sim_open): To here. Check return status.
2209 Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2211 * gencode.c (build_instruction): Two arg MADD should
2212 not assign result to $0.
2214 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2216 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2217 * sim/mips/configure.in: Regenerate.
2219 Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2221 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2222 signed8, unsigned8 et.al. types.
2224 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2225 hosts when selecting subreg.
2227 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2229 * interp.c (sim_engine_run): Reset the ZERO register to zero
2230 regardless of FEATURE_WARN_ZERO.
2231 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2233 Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2235 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2236 (SignalException): For BreakPoints ignore any mode bits and just
2238 (SignalException): Always set the CAUSE register.
2240 Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
2242 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
2243 exception has been taken.
2245 * interp.c: Implement the ERET and mt/f sr instructions.
2247 Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
2249 * interp.c (SignalException): Don't bother restarting an
2252 Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2254 * interp.c (SignalException): Really take an interrupt.
2255 (interrupt_event): Only deliver interrupts when enabled.
2257 Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2259 * interp.c (sim_info): Only print info when verbose.
2260 (sim_info) Use sim_io_printf for output.
2262 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2264 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2267 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2269 * interp.c (sim_do_command): Check for common commands if a
2270 simulator specific command fails.
2272 Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2274 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2275 and simBE when DEBUG is defined.
2277 Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2279 * interp.c (interrupt_event): New function. Pass exception event
2280 onto exception handler.
2282 * configure.in: Check for stdlib.h.
2283 * configure: Regenerate.
2285 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2286 variable declaration.
2287 (build_instruction): Initialize memval1.
2288 (build_instruction): Add UNUSED attribute to byte, bigend,
2290 (build_operands): Ditto.
2292 * interp.c: Fix GCC warnings.
2293 (sim_get_quit_code): Delete.
2295 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2296 * Makefile.in: Ditto.
2297 * configure: Re-generate.
2299 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2301 Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2303 * interp.c (mips_option_handler): New function parse argumes using
2305 (myname): Replace with STATE_MY_NAME.
2306 (sim_open): Delete check for host endianness - performed by
2308 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2309 (sim_open): Move much of the initialization from here.
2310 (sim_load): To here. After the image has been loaded and
2312 (sim_open): Move ColdReset from here.
2313 (sim_create_inferior): To here.
2314 (sim_open): Make FP check less dependant on host endianness.
2316 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2318 * interp.c (sim_set_callbacks): Delete.
2320 * interp.c (membank, membank_base, membank_size): Replace with
2321 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2322 (sim_open): Remove call to callback->init. gdb/run do this.
2326 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2328 * interp.c (big_endian_p): Delete, replaced by
2329 current_target_byte_order.
2331 Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2333 * interp.c (host_read_long, host_read_word, host_swap_word,
2334 host_swap_long): Delete. Using common sim-endian.
2335 (sim_fetch_register, sim_store_register): Use H2T.
2336 (pipeline_ticks): Delete. Handled by sim-events.
2338 (sim_engine_run): Update.
2340 Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2342 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2344 (SignalException): To here. Signal using sim_engine_halt.
2345 (sim_stop_reason): Delete, moved to common.
2347 Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2349 * interp.c (sim_open): Add callback argument.
2350 (sim_set_callbacks): Delete SIM_DESC argument.
2353 Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2355 * Makefile.in (SIM_OBJS): Add common modules.
2357 * interp.c (sim_set_callbacks): Also set SD callback.
2358 (set_endianness, xfer_*, swap_*): Delete.
2359 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2360 Change to functions using sim-endian macros.
2361 (control_c, sim_stop): Delete, use common version.
2362 (simulate): Convert into.
2363 (sim_engine_run): This function.
2364 (sim_resume): Delete.
2366 * interp.c (simulation): New variable - the simulator object.
2367 (sim_kind): Delete global - merged into simulation.
2368 (sim_load): Cleanup. Move PC assignment from here.
2369 (sim_create_inferior): To here.
2371 * sim-main.h: New file.
2372 * interp.c (sim-main.h): Include.
2374 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2376 * configure: Regenerated to track ../common/aclocal.m4 changes.
2378 Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2380 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2382 Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2384 * gencode.c (build_instruction): DIV instructions: check
2385 for division by zero and integer overflow before using
2386 host's division operation.
2388 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2390 * Makefile.in (SIM_OBJS): Add sim-load.o.
2391 * interp.c: #include bfd.h.
2392 (target_byte_order): Delete.
2393 (sim_kind, myname, big_endian_p): New static locals.
2394 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2395 after argument parsing. Recognize -E arg, set endianness accordingly.
2396 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2397 load file into simulator. Set PC from bfd.
2398 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2399 (set_endianness): Use big_endian_p instead of target_byte_order.
2401 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2403 * interp.c (sim_size): Delete prototype - conflicts with
2404 definition in remote-sim.h. Correct definition.
2406 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2408 * configure: Regenerated to track ../common/aclocal.m4 changes.
2411 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2413 * interp.c (sim_open): New arg `kind'.
2415 * configure: Regenerated to track ../common/aclocal.m4 changes.
2417 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2419 * configure: Regenerated to track ../common/aclocal.m4 changes.
2421 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2423 * interp.c (sim_open): Set optind to 0 before calling getopt.
2425 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2427 * configure: Regenerated to track ../common/aclocal.m4 changes.
2429 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2431 * interp.c : Replace uses of pr_addr with pr_uword64
2432 where the bit length is always 64 independent of SIM_ADDR.
2433 (pr_uword64) : added.
2435 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2437 * configure: Re-generate.
2439 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2441 * configure: Regenerate to track ../common/aclocal.m4 changes.
2443 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2445 * interp.c (sim_open): New SIM_DESC result. Argument is now
2447 (other sim_*): New SIM_DESC argument.
2449 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2451 * interp.c: Fix printing of addresses for non-64-bit targets.
2452 (pr_addr): Add function to print address based on size.
2454 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2456 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2458 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2460 * gencode.c (build_mips16_operands): Correct computation of base
2461 address for extended PC relative instruction.
2463 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2465 * interp.c (mips16_entry): Add support for floating point cases.
2466 (SignalException): Pass floating point cases to mips16_entry.
2467 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2469 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2471 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2472 and then set the state to fmt_uninterpreted.
2473 (COP_SW): Temporarily set the state to fmt_word while calling
2476 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2478 * gencode.c (build_instruction): The high order may be set in the
2479 comparison flags at any ISA level, not just ISA 4.
2481 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2483 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2484 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2485 * configure.in: sinclude ../common/aclocal.m4.
2486 * configure: Regenerated.
2488 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2490 * configure: Rebuild after change to aclocal.m4.
2492 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2494 * configure configure.in Makefile.in: Update to new configure
2495 scheme which is more compatible with WinGDB builds.
2496 * configure.in: Improve comment on how to run autoconf.
2497 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2498 * Makefile.in: Use autoconf substitution to install common
2501 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2503 * gencode.c (build_instruction): Use BigEndianCPU instead of
2506 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2508 * interp.c (sim_monitor): Make output to stdout visible in
2509 wingdb's I/O log window.
2511 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2513 * support.h: Undo previous change to SIGTRAP
2516 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2518 * interp.c (store_word, load_word): New static functions.
2519 (mips16_entry): New static function.
2520 (SignalException): Look for mips16 entry and exit instructions.
2521 (simulate): Use the correct index when setting fpr_state after
2522 doing a pending move.
2524 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2526 * interp.c: Fix byte-swapping code throughout to work on
2527 both little- and big-endian hosts.
2529 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2531 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2532 with gdb/config/i386/xm-windows.h.
2534 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2536 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2537 that messes up arithmetic shifts.
2539 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2541 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2542 SIGTRAP and SIGQUIT for _WIN32.
2544 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2546 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2547 force a 64 bit multiplication.
2548 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2549 destination register is 0, since that is the default mips16 nop
2552 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2554 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2555 (build_endian_shift): Don't check proc64.
2556 (build_instruction): Always set memval to uword64. Cast op2 to
2557 uword64 when shifting it left in memory instructions. Always use
2558 the same code for stores--don't special case proc64.
2560 * gencode.c (build_mips16_operands): Fix base PC value for PC
2562 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2564 * interp.c (simJALDELAYSLOT): Define.
2565 (JALDELAYSLOT): Define.
2566 (INDELAYSLOT, INJALDELAYSLOT): Define.
2567 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2569 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2571 * interp.c (sim_open): add flush_cache as a PMON routine
2572 (sim_monitor): handle flush_cache by ignoring it
2574 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2576 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2578 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2579 (BigEndianMem): Rename to ByteSwapMem and change sense.
2580 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2581 BigEndianMem references to !ByteSwapMem.
2582 (set_endianness): New function, with prototype.
2583 (sim_open): Call set_endianness.
2584 (sim_info): Use simBE instead of BigEndianMem.
2585 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2586 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2587 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2588 ifdefs, keeping the prototype declaration.
2589 (swap_word): Rewrite correctly.
2590 (ColdReset): Delete references to CONFIG. Delete endianness related
2591 code; moved to set_endianness.
2593 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2595 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2596 * interp.c (CHECKHILO): Define away.
2597 (simSIGINT): New macro.
2598 (membank_size): Increase from 1MB to 2MB.
2599 (control_c): New function.
2600 (sim_resume): Rename parameter signal to signal_number. Add local
2601 variable prev. Call signal before and after simulate.
2602 (sim_stop_reason): Add simSIGINT support.
2603 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2605 (sim_warning): Delete call to SignalException. Do call printf_filtered
2607 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2608 a call to sim_warning.
2610 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2612 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2613 16 bit instructions.
2615 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2617 Add support for mips16 (16 bit MIPS implementation):
2618 * gencode.c (inst_type): Add mips16 instruction encoding types.
2619 (GETDATASIZEINSN): Define.
2620 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2621 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2623 (MIPS16_DECODE): New table, for mips16 instructions.
2624 (bitmap_val): New static function.
2625 (struct mips16_op): Define.
2626 (mips16_op_table): New table, for mips16 operands.
2627 (build_mips16_operands): New static function.
2628 (process_instructions): If PC is odd, decode a mips16
2629 instruction. Break out instruction handling into new
2630 build_instruction function.
2631 (build_instruction): New static function, broken out of
2632 process_instructions. Check modifiers rather than flags for SHIFT
2633 bit count and m[ft]{hi,lo} direction.
2634 (usage): Pass program name to fprintf.
2635 (main): Remove unused variable this_option_optind. Change
2636 ``*loptarg++'' to ``loptarg++''.
2637 (my_strtoul): Parenthesize && within ||.
2638 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2639 (simulate): If PC is odd, fetch a 16 bit instruction, and
2640 increment PC by 2 rather than 4.
2641 * configure.in: Add case for mips16*-*-*.
2642 * configure: Rebuild.
2644 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2646 * interp.c: Allow -t to enable tracing in standalone simulator.
2647 Fix garbage output in trace file and error messages.
2649 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2651 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2652 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2653 * configure.in: Simplify using macros in ../common/aclocal.m4.
2654 * configure: Regenerated.
2655 * tconfig.in: New file.
2657 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
2659 * interp.c: Fix bugs in 64-bit port.
2660 Use ansi function declarations for msvc compiler.
2661 Initialize and test file pointer in trace code.
2662 Prevent duplicate definition of LAST_EMED_REGNUM.
2664 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
2666 * interp.c (xfer_big_long): Prevent unwanted sign extension.
2668 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
2670 * interp.c (SignalException): Check for explicit terminating
2672 * gencode.c: Pass instruction value through SignalException()
2673 calls for Trap, Breakpoint and Syscall.
2675 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2677 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
2678 only used on those hosts that provide it.
2679 * configure.in: Add sqrt() to list of functions to be checked for.
2680 * config.in: Re-generated.
2681 * configure: Re-generated.
2683 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
2685 * gencode.c (process_instructions): Call build_endian_shift when
2686 expanding STORE RIGHT, to fix swr.
2687 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
2688 clear the high bits.
2689 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
2690 Fix float to int conversions to produce signed values.
2692 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
2694 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
2695 (process_instructions): Correct handling of nor instruction.
2696 Correct shift count for 32 bit shift instructions. Correct sign
2697 extension for arithmetic shifts to not shift the number of bits in
2698 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
2699 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
2701 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
2702 It's OK to have a mult follow a mult. What's not OK is to have a
2703 mult follow an mfhi.
2704 (Convert): Comment out incorrect rounding code.
2706 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
2708 * interp.c (sim_monitor): Improved monitor printf
2709 simulation. Tidied up simulator warnings, and added "--log" option
2710 for directing warning message output.
2711 * gencode.c: Use sim_warning() rather than WARNING macro.
2713 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
2715 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
2716 getopt1.o, rather than on gencode.c. Link objects together.
2717 Don't link against -liberty.
2718 (gencode.o, getopt.o, getopt1.o): New targets.
2719 * gencode.c: Include <ctype.h> and "ansidecl.h".
2720 (AND): Undefine after including "ansidecl.h".
2721 (ULONG_MAX): Define if not defined.
2722 (OP_*): Don't define macros; now defined in opcode/mips.h.
2723 (main): Call my_strtoul rather than strtoul.
2724 (my_strtoul): New static function.
2726 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
2728 * gencode.c (process_instructions): Generate word64 and uword64
2729 instead of `long long' and `unsigned long long' data types.
2730 * interp.c: #include sysdep.h to get signals, and define default
2732 * (Convert): Work around for Visual-C++ compiler bug with type
2734 * support.h: Make things compile under Visual-C++ by using
2735 __int64 instead of `long long'. Change many refs to long long
2736 into word64/uword64 typedefs.
2738 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
2740 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
2741 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
2743 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
2744 (AC_PROG_INSTALL): Added.
2745 (AC_PROG_CC): Moved to before configure.host call.
2746 * configure: Rebuilt.
2748 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
2750 * configure.in: Define @SIMCONF@ depending on mips target.
2751 * configure: Rebuild.
2752 * Makefile.in (run): Add @SIMCONF@ to control simulator
2754 * gencode.c: Change LOADDRMASK to 64bit memory model only.
2755 * interp.c: Remove some debugging, provide more detailed error
2756 messages, update memory accesses to use LOADDRMASK.
2758 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
2760 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
2761 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
2763 * configure: Rebuild.
2764 * config.in: New file, generated by autoheader.
2765 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
2766 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
2767 HAVE_ANINT and HAVE_AINT, as appropriate.
2768 * Makefile.in (run): Use @LIBS@ rather than -lm.
2769 (interp.o): Depend upon config.h.
2770 (Makefile): Just rebuild Makefile.
2771 (clean): Remove stamp-h.
2772 (mostlyclean): Make the same as clean, not as distclean.
2773 (config.h, stamp-h): New targets.
2775 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2777 * interp.c (ColdReset): Fix boolean test. Make all simulator
2780 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
2782 * interp.c (xfer_direct_word, xfer_direct_long,
2783 swap_direct_word, swap_direct_long, xfer_big_word,
2784 xfer_big_long, xfer_little_word, xfer_little_long,
2785 swap_word,swap_long): Added.
2786 * interp.c (ColdReset): Provide function indirection to
2787 host<->simulated_target transfer routines.
2788 * interp.c (sim_store_register, sim_fetch_register): Updated to
2789 make use of indirected transfer routines.
2791 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
2793 * gencode.c (process_instructions): Ensure FP ABS instruction
2795 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
2796 system call support.
2798 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
2800 * interp.c (sim_do_command): Complain if callback structure not
2803 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
2805 * interp.c (Convert): Provide round-to-nearest and round-to-zero
2806 support for Sun hosts.
2807 * Makefile.in (gencode): Ensure the host compiler and libraries
2808 used for cross-hosted build.
2810 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
2812 * interp.c, gencode.c: Some more (TODO) tidying.
2814 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
2816 * gencode.c, interp.c: Replaced explicit long long references with
2817 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
2818 * support.h (SET64LO, SET64HI): Macros added.
2820 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
2822 * configure: Regenerate with autoconf 2.7.
2824 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
2826 * interp.c (LoadMemory): Enclose text following #endif in /* */.
2827 * support.h: Remove superfluous "1" from #if.
2828 * support.h (CHECKSIM): Remove stray 'a' at end of line.
2830 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
2832 * interp.c (StoreFPR): Control UndefinedResult() call on
2833 WARN_RESULT manifest.
2835 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
2837 * gencode.c: Tidied instruction decoding, and added FP instruction
2840 * interp.c: Added dineroIII, and BSD profiling support. Also
2841 run-time FP handling.
2843 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
2845 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
2846 gencode.c, interp.c, support.h: created.