1 2002-06-03 Chris Demetriou <cgd@broadcom.com>
3 * cp1.c: Clean up comments which describe FP formats.
4 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
6 2002-06-03 Chris Demetriou <cgd@broadcom.com>
7 Ed Satterthwaite <ehs@broadcom.com>
9 * configure.in (mipsisa64sb1*-*-*): New target for supporting
10 Broadcom SiByte SB-1 processor configurations.
11 * configure: Regenerate.
13 * mips.igen: Include sb1.igen.
15 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
16 * mdmx.igen: Add "sb1" model to all appropriate functions and
18 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
19 (ob_func, ob_acc): Reference the above.
20 (qh_acc): Adjust to keep the same size as ob_acc.
21 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
22 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
24 2002-06-03 Chris Demetriou <cgd@broadcom.com>
26 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
28 2002-06-02 Chris Demetriou <cgd@broadcom.com>
29 Ed Satterthwaite <ehs@broadcom.com>
31 * mips.igen (mdmx): New (pseudo-)model.
32 * mdmx.c, mdmx.igen: New files.
33 * Makefile.in (SIM_OBJS): Add mdmx.o.
34 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
36 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
37 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
38 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
39 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
40 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
41 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
42 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
43 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
44 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
45 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
46 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
47 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
48 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
49 (qh_fmtsel): New macros.
50 (_sim_cpu): New member "acc".
51 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
52 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
54 2002-05-01 Chris Demetriou <cgd@broadcom.com>
56 * interp.c: Use 'deprecated' rather than 'depreciated.'
57 * sim-main.h: Likewise.
59 2002-05-01 Chris Demetriou <cgd@broadcom.com>
61 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
62 which wouldn't compile anyway.
63 * sim-main.h (unpredictable_action): New function prototype.
64 (Unpredictable): Define to call igen function unpredictable().
65 (NotWordValue): New macro to call igen function not_word_value().
66 (UndefinedResult): Remove.
67 * interp.c (undefined_result): Remove.
68 (unpredictable_action): New function.
69 * mips.igen (not_word_value, unpredictable): New functions.
70 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
71 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
72 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
73 NotWordValue() to check for unpredictable inputs, then
74 Unpredictable() to handle them.
76 2002-02-24 Chris Demetriou <cgd@broadcom.com>
78 * mips.igen: Fix formatting of calls to Unpredictable().
80 2002-04-20 Andrew Cagney <ac131313@redhat.com>
82 * interp.c (sim_open): Revert previous change.
84 2002-04-18 Alexandre Oliva <aoliva@redhat.com>
86 * interp.c (sim_open): Disable chunk of code that wrote code in
89 2002-03-19 Chris Demetriou <cgd@broadcom.com>
91 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
92 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
95 2002-03-19 Chris Demetriou <cgd@broadcom.com>
97 * cp1.c: Fix many formatting issues.
99 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
101 * cp1.c (fpu_format_name): New function to replace...
102 (DOFMT): This. Delete, and update all callers.
103 (fpu_rounding_mode_name): New function to replace...
104 (RMMODE): This. Delete, and update all callers.
106 2002-03-19 Chris G. Demetriou <cgd@broadcom.com>
108 * interp.c: Move FPU support routines from here to...
109 * cp1.c: Here. New file.
110 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
113 2002-03-12 Chris Demetriou <cgd@broadcom.com>
115 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
116 * mips.igen (mips32, mips64): New models, add to all instructions
117 and functions as appropriate.
118 (loadstore_ea, check_u64): New variant for model mips64.
119 (check_fmt_p): New variant for models mipsV and mips64, remove
120 mipsV model marking fro other variant.
123 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
124 for mips32 and mips64.
125 (DCLO, DCLZ): New instructions for mips64.
127 2002-03-07 Chris Demetriou <cgd@broadcom.com>
129 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
130 immediate or code as a hex value with the "%#lx" format.
131 (ANDI): Likewise, and fix printed instruction name.
133 2002-03-05 Chris Demetriou <cgd@broadcom.com>
135 * sim-main.h (UndefinedResult, Unpredictable): New macros
136 which currently do nothing.
138 2002-03-05 Chris Demetriou <cgd@broadcom.com>
140 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
141 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
142 (status_CU3): New definitions.
144 * sim-main.h (ExceptionCause): Add new values for MIPS32
145 and MIPS64: MDMX, MCheck, CacheErr. Update comments
146 for DebugBreakPoint and NMIReset to note their status in
148 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
149 (SignalExceptionCacheErr): New exception macros.
151 2002-03-05 Chris Demetriou <cgd@broadcom.com>
153 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
154 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
156 (SignalExceptionCoProcessorUnusable): Take as argument the
157 unusable coprocessor number.
159 2002-03-05 Chris Demetriou <cgd@broadcom.com>
161 * mips.igen: Fix formatting of all SignalException calls.
163 2002-03-05 Chris Demetriou <cgd@broadcom.com>
165 * sim-main.h (SIGNEXTEND): Remove.
167 2002-03-04 Chris Demetriou <cgd@broadcom.com>
169 * mips.igen: Remove gencode comment from top of file, fix
170 spelling in another comment.
172 2002-03-04 Chris Demetriou <cgd@broadcom.com>
174 * mips.igen (check_fmt, check_fmt_p): New functions to check
175 whether specific floating point formats are usable.
176 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
177 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
178 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
179 Use the new functions.
180 (do_c_cond_fmt): Remove format checks...
181 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
183 2002-03-03 Chris Demetriou <cgd@broadcom.com>
185 * mips.igen: Fix formatting of check_fpu calls.
187 2002-03-03 Chris Demetriou <cgd@broadcom.com>
189 * mips.igen (FLOOR.L.fmt): Store correct destination register.
191 2002-03-03 Chris Demetriou <cgd@broadcom.com>
193 * mips.igen: Remove whitespace at end of lines.
195 2002-03-02 Chris Demetriou <cgd@broadcom.com>
197 * mips.igen (loadstore_ea): New function to do effective
198 address calculations.
199 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
200 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
201 CACHE): Use loadstore_ea to do effective address computations.
203 2002-03-02 Chris Demetriou <cgd@broadcom.com>
205 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
206 * mips.igen (LL, CxC1, MxC1): Likewise.
208 2002-03-02 Chris Demetriou <cgd@broadcom.com>
210 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
211 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
212 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
213 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
214 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
215 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
216 Don't split opcode fields by hand, use the opcode field values
219 2002-03-01 Chris Demetriou <cgd@broadcom.com>
221 * mips.igen (do_divu): Fix spacing.
223 * mips.igen (do_dsllv): Move to be right before DSLLV,
224 to match the rest of the do_<shift> functions.
226 2002-03-01 Chris Demetriou <cgd@broadcom.com>
228 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
229 DSRL32, do_dsrlv): Trace inputs and results.
231 2002-03-01 Chris Demetriou <cgd@broadcom.com>
233 * mips.igen (CACHE): Provide instruction-printing string.
235 * interp.c (signal_exception): Comment tokens after #endif.
237 2002-02-28 Chris Demetriou <cgd@broadcom.com>
239 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
240 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
241 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
242 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
243 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
244 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
245 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
246 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
248 2002-02-28 Chris Demetriou <cgd@broadcom.com>
250 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
251 instruction-printing string.
252 (LWU): Use '64' as the filter flag.
254 2002-02-28 Chris Demetriou <cgd@broadcom.com>
256 * mips.igen (SDXC1): Fix instruction-printing string.
258 2002-02-28 Chris Demetriou <cgd@broadcom.com>
260 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
263 2002-02-27 Chris Demetriou <cgd@broadcom.com>
265 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
268 2002-02-27 Chris Demetriou <cgd@broadcom.com>
270 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
271 add a comma) so that it more closely match the MIPS ISA
272 documentation opcode partitioning.
273 (PREF): Put useful names on opcode fields, and include
274 instruction-printing string.
276 2002-02-27 Chris Demetriou <cgd@broadcom.com>
278 * mips.igen (check_u64): New function which in the future will
279 check whether 64-bit instructions are usable and signal an
280 exception if not. Currently a no-op.
281 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
282 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
283 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
284 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
286 * mips.igen (check_fpu): New function which in the future will
287 check whether FPU instructions are usable and signal an exception
288 if not. Currently a no-op.
289 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
290 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
291 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
292 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
293 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
294 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
295 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
296 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
298 2002-02-27 Chris Demetriou <cgd@broadcom.com>
300 * mips.igen (do_load_left, do_load_right): Move to be immediately
302 (do_store_left, do_store_right): Move to be immediately following
305 2002-02-27 Chris Demetriou <cgd@broadcom.com>
307 * mips.igen (mipsV): New model name. Also, add it to
308 all instructions and functions where it is appropriate.
310 2002-02-18 Chris Demetriou <cgd@broadcom.com>
312 * mips.igen: For all functions and instructions, list model
313 names that support that instruction one per line.
315 2002-02-11 Chris Demetriou <cgd@broadcom.com>
317 * mips.igen: Add some additional comments about supported
318 models, and about which instructions go where.
319 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
320 order as is used in the rest of the file.
322 2002-02-11 Chris Demetriou <cgd@broadcom.com>
324 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
325 indicating that ALU32_END or ALU64_END are there to check
327 (DADD): Likewise, but also remove previous comment about
330 2002-02-10 Chris Demetriou <cgd@broadcom.com>
332 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
333 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
334 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
335 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
336 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
337 fields (i.e., add and move commas) so that they more closely
338 match the MIPS ISA documentation opcode partitioning.
340 2002-02-10 Chris Demetriou <cgd@broadcom.com>
342 * mips.igen (ADDI): Print immediate value.
344 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
345 (SLL): Print "nop" specially, and don't run the code
346 that does the shift for the "nop" case.
348 2001-11-17 Fred Fish <fnf@redhat.com>
350 * sim-main.h (float_operation): Move enum declaration outside
351 of _sim_cpu struct declaration.
353 2001-04-12 Jim Blandy <jimb@redhat.com>
355 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
356 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
358 * sim-main.h (COCIDX): Remove definition; this isn't supported by
359 PENDING_FILL, and you can get the intended effect gracefully by
360 calling PENDING_SCHED directly.
362 2001-02-23 Ben Elliston <bje@redhat.com>
364 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
365 already defined elsewhere.
367 2001-02-19 Ben Elliston <bje@redhat.com>
369 * sim-main.h (sim_monitor): Return an int.
370 * interp.c (sim_monitor): Add return values.
371 (signal_exception): Handle error conditions from sim_monitor.
373 2001-02-08 Ben Elliston <bje@redhat.com>
375 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
376 (store_memory): Likewise, pass cia to sim_core_write*.
378 2000-10-19 Frank Ch. Eigler <fche@redhat.com>
380 On advice from Chris G. Demetriou <cgd@sibyte.com>:
381 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
383 Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
385 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
386 * Makefile.in: Don't delete *.igen when cleaning directory.
388 Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
390 * m16.igen (break): Call SignalException not sim_engine_halt.
392 Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
395 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
397 Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
399 * mips.igen (MxC1, DMxC1): Fix printf formatting.
401 2000-05-24 Michael Hayes <mhayes@cygnus.com>
403 * mips.igen (do_dmultx): Fix typo.
405 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
407 * configure: Regenerated to track ../common/aclocal.m4 changes.
409 Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
411 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
413 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
415 * sim-main.h (GPR_CLEAR): Define macro.
417 Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
419 * interp.c (decode_coproc): Output long using %lx and not %s.
421 2000-03-21 Frank Ch. Eigler <fche@redhat.com>
423 * interp.c (sim_open): Sort & extend dummy memory regions for
424 --board=jmr3904 for eCos.
426 2000-03-02 Frank Ch. Eigler <fche@redhat.com>
428 * configure: Regenerated.
430 Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
432 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
433 calls, conditional on the simulator being in verbose mode.
435 Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
437 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
438 cache don't get ReservedInstruction traps.
440 1999-11-29 Mark Salter <msalter@cygnus.com>
442 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
443 to clear status bits in sdisr register. This is how the hardware works.
445 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
446 being used by cygmon.
448 1999-11-11 Andrew Haley <aph@cygnus.com>
450 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
453 Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
455 * mips.igen (MULT): Correct previous mis-applied patch.
457 Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
459 * mips.igen (delayslot32): Handle sequence like
460 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
461 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
462 (MULT): Actually pass the third register...
464 1999-09-03 Mark Salter <msalter@cygnus.com>
466 * interp.c (sim_open): Added more memory aliases for additional
467 hardware being touched by cygmon on jmr3904 board.
469 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
471 * configure: Regenerated to track ../common/aclocal.m4 changes.
473 Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
475 * interp.c (sim_store_register): Handle case where client - GDB -
476 specifies that a 4 byte register is 8 bytes in size.
477 (sim_fetch_register): Ditto.
479 1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
481 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
482 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
483 (idt_monitor_base): Base address for IDT monitor traps.
484 (pmon_monitor_base): Ditto for PMON.
485 (lsipmon_monitor_base): Ditto for LSI PMON.
486 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
487 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
488 (sim_firmware_command): New function.
489 (mips_option_handler): Call it for OPTION_FIRMWARE.
490 (sim_open): Allocate memory for idt_monitor region. If "--board"
491 option was given, add no monitor by default. Add BREAK hooks only if
492 monitors are also there.
494 Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
496 * interp.c (sim_monitor): Flush output before reading input.
498 Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
500 * tconfig.in (SIM_HANDLES_LMA): Always define.
502 Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
504 From Mark Salter <msalter@cygnus.com>:
505 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
506 (sim_open): Add setup for BSP board.
508 Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
510 * mips.igen (MULT, MULTU): Add syntax for two operand version.
511 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
512 them as unimplemented.
514 1999-05-08 Felix Lee <flee@cygnus.com>
516 * configure: Regenerated to track ../common/aclocal.m4 changes.
518 1999-04-21 Frank Ch. Eigler <fche@cygnus.com>
520 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
522 Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
524 * configure.in: Any mips64vr5*-*-* target should have
525 -DTARGET_ENABLE_FR=1.
526 (default_endian): Any mips64vr*el-*-* target should default to
528 * configure: Re-generate.
530 1999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
532 * mips.igen (ldl): Extend from _16_, not 32.
534 Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
536 * interp.c (sim_store_register): Force registers written to by GDB
537 into an un-interpreted state.
539 1999-02-05 Frank Ch. Eigler <fche@cygnus.com>
541 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
542 CPU, start periodic background I/O polls.
543 (tx3904sio_poll): New function: periodic I/O poller.
545 1998-12-30 Frank Ch. Eigler <fche@cygnus.com>
547 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
549 Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
551 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
554 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
556 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
557 (load_word): Call SIM_CORE_SIGNAL hook on error.
558 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
559 starting. For exception dispatching, pass PC instead of NULL_CIA.
560 (decode_coproc): Use COP0_BADVADDR to store faulting address.
561 * sim-main.h (COP0_BADVADDR): Define.
562 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
563 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
564 (_sim_cpu): Add exc_* fields to store register value snapshots.
565 * mips.igen (*): Replace memory-related SignalException* calls
566 with references to SIM_CORE_SIGNAL hook.
568 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
570 * sim-main.c (*): Minor warning cleanups.
572 1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
574 * m16.igen (DADDIU5): Correct type-o.
576 Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
578 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
581 Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
583 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
585 (interp.o): Add dependency on itable.h
586 (oengine.c, gencode): Delete remaining references.
587 (BUILT_SRC_FROM_GEN): Clean up.
589 1998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
592 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
593 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
595 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
596 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
597 Drop the "64" qualifier to get the HACK generator working.
598 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
599 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
600 qualifier to get the hack generator working.
601 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
603 (DSLLV): Use do_dsllv.
606 (DSRLV): Use do_dsrlv.
607 (BC1): Move *vr4100 to get the HACK generator working.
608 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
609 get the HACK generator working.
610 (MACC) Rename to get the HACK generator working.
611 (DMACC,MACCS,DMACCS): Add the 64.
613 1998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
615 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
616 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
618 1998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
620 * mips/interp.c (DEBUG): Cleanups.
622 1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
624 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
625 (tx3904sio_tickle): fflush after a stdout character output.
627 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
629 * interp.c (sim_close): Uninstall modules.
631 Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
633 * sim-main.h, interp.c (sim_monitor): Change to global
636 Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
638 * configure.in (vr4100): Only include vr4100 instructions in
640 * configure: Re-generate.
641 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
643 Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
645 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
646 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
649 * configure.in (sim_default_gen, sim_use_gen): Replace with
651 (--enable-sim-igen): Delete config option. Always using IGEN.
652 * configure: Re-generate.
654 * Makefile.in (gencode): Kill, kill, kill.
657 Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
659 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
660 bit mips16 igen simulator.
661 * configure: Re-generate.
663 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
664 as part of vr4100 ISA.
665 * vr.igen: Mark all instructions as 64 bit only.
667 Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
669 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
672 Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
674 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
675 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
676 * configure: Re-generate.
678 * m16.igen (BREAK): Define breakpoint instruction.
679 (JALX32): Mark instruction as mips16 and not r3900.
680 * mips.igen (C.cond.fmt): Fix typo in instruction format.
682 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
684 Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
686 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
687 insn as a debug breakpoint.
689 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
691 (PENDING_SCHED): Clean up trace statement.
692 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
693 (PENDING_FILL): Delay write by only one cycle.
694 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
696 * sim-main.c (pending_tick): Clean up trace statements. Add trace
698 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
700 (pending_tick): Move incrementing of index to FOR statement.
701 (pending_tick): Only update PENDING_OUT after a write has occured.
703 * configure.in: Add explicit mips-lsi-* target. Use gencode to
705 * configure: Re-generate.
707 * interp.c (sim_engine_run OLD): Delete explicit call to
708 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
710 Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
712 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
713 interrupt level number to match changed SignalExceptionInterrupt
716 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
718 * interp.c: #include "itable.h" if WITH_IGEN.
719 (get_insn_name): New function.
720 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
721 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
723 Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
725 * configure: Rebuilt to inhale new common/aclocal.m4.
727 Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
729 * dv-tx3904sio.c: Include sim-assert.h.
731 Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
733 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
734 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
735 Reorganize target-specific sim-hardware checks.
736 * configure: rebuilt.
737 * interp.c (sim_open): For tx39 target boards, set
738 OPERATING_ENVIRONMENT, add tx3904sio devices.
739 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
740 ROM executables. Install dv-sockser into sim-modules list.
742 * dv-tx3904irc.c: Compiler warning clean-up.
743 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
744 frequent hw-trace messages.
746 Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
748 * vr.igen (MulAcc): Identify as a vr4100 specific function.
750 Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
752 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
755 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
756 * mips.igen: Define vr4100 model. Include vr.igen.
757 Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
759 * mips.igen (check_mf_hilo): Correct check.
761 Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
763 * sim-main.h (interrupt_event): Add prototype.
765 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
766 register_ptr, register_value.
767 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
769 * sim-main.h (tracefh): Make extern.
771 Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
773 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
774 Reduce unnecessarily high timer event frequency.
775 * dv-tx3904cpu.c: Ditto for interrupt event.
777 Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
779 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
781 (interrupt_event): Made non-static.
783 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
784 interchange of configuration values for external vs. internal
787 Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
789 * mips.igen (BREAK): Moved code to here for
790 simulator-reserved break instructions.
791 * gencode.c (build_instruction): Ditto.
792 * interp.c (signal_exception): Code moved from here. Non-
793 reserved instructions now use exception vector, rather
795 * sim-main.h: Moved magic constants to here.
797 Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
799 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
800 register upon non-zero interrupt event level, clear upon zero
802 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
803 by passing zero event value.
804 (*_io_{read,write}_buffer): Endianness fixes.
805 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
806 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
808 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
809 serial I/O and timer module at base address 0xFFFF0000.
811 Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
813 * mips.igen (SWC1) : Correct the handling of ReverseEndian
816 Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
818 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
822 Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
824 * dv-tx3904tmr.c: New file - implements tx3904 timer.
825 * dv-tx3904{irc,cpu}.c: Mild reformatting.
826 * configure.in: Include tx3904tmr in hw_device list.
827 * configure: Rebuilt.
828 * interp.c (sim_open): Instantiate three timer instances.
829 Fix address typo of tx3904irc instance.
831 Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
833 * interp.c (signal_exception): SystemCall exception now uses
834 the exception vector.
836 Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
838 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
841 Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
843 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
845 Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
847 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
849 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
850 sim-main.h. Declare a struct hw_descriptor instead of struct
851 hw_device_descriptor.
853 Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
855 * mips.igen (do_store_left, do_load_left): Compute nr of left and
856 right bits and then re-align left hand bytes to correct byte
857 lanes. Fix incorrect computation in do_store_left when loading
858 bytes from second word.
860 Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
862 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
863 * interp.c (sim_open): Only create a device tree when HW is
866 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
867 * interp.c (signal_exception): Ditto.
869 Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
871 * gencode.c: Mark BEGEZALL as LIKELY.
873 Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
875 * sim-main.h (ALU32_END): Sign extend 32 bit results.
876 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
878 Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
880 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
881 modules. Recognize TX39 target with "mips*tx39" pattern.
882 * configure: Rebuilt.
883 * sim-main.h (*): Added many macros defining bits in
884 TX39 control registers.
885 (SignalInterrupt): Send actual PC instead of NULL.
886 (SignalNMIReset): New exception type.
887 * interp.c (board): New variable for future use to identify
888 a particular board being simulated.
889 (mips_option_handler,mips_options): Added "--board" option.
890 (interrupt_event): Send actual PC.
891 (sim_open): Make memory layout conditional on board setting.
892 (signal_exception): Initial implementation of hardware interrupt
893 handling. Accept another break instruction variant for simulator
895 (decode_coproc): Implement RFE instruction for TX39.
896 (mips.igen): Decode RFE instruction as such.
897 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
898 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
899 bbegin to implement memory map.
900 * dv-tx3904cpu.c: New file.
901 * dv-tx3904irc.c: New file.
903 Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
905 * mips.igen (check_mt_hilo): Create a separate r3900 version.
907 Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
909 * tx.igen (madd,maddu): Replace calls to check_op_hilo
910 with calls to check_div_hilo.
912 Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
914 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
915 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
916 Add special r3900 version of do_mult_hilo.
917 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
918 with calls to check_mult_hilo.
919 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
920 with calls to check_div_hilo.
922 Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
924 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
925 Document a replacement.
927 Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
929 * interp.c (sim_monitor): Make mon_printf work.
931 Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
933 * sim-main.h (INSN_NAME): New arg `cpu'.
935 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
937 * configure: Regenerated to track ../common/aclocal.m4 changes.
939 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
941 * configure: Regenerated to track ../common/aclocal.m4 changes.
944 Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
946 * acconfig.h: New file.
947 * configure.in: Reverted change of Apr 24; use sinclude again.
949 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
951 * configure: Regenerated to track ../common/aclocal.m4 changes.
954 Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
956 * configure.in: Don't call sinclude.
958 Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
960 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
962 Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
964 * mips.igen (ERET): Implement.
966 * interp.c (decode_coproc): Return sign-extended EPC.
968 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
970 * interp.c (signal_exception): Do not ignore Trap.
971 (signal_exception): On TRAP, restart at exception address.
972 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
973 (signal_exception): Update.
974 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
975 so that TRAP instructions are caught.
977 Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
979 * sim-main.h (struct hilo_access, struct hilo_history): Define,
980 contains HI/LO access history.
981 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
982 (HIACCESS, LOACCESS): Delete, replace with
983 (HIHISTORY, LOHISTORY): New macros.
984 (CHECKHILO): Delete all, moved to mips.igen
986 * gencode.c (build_instruction): Do not generate checks for
987 correct HI/LO register usage.
989 * interp.c (old_engine_run): Delete checks for correct HI/LO
992 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
993 check_mf_cycles): New functions.
994 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
995 do_divu, domultx, do_mult, do_multu): Use.
997 * tx.igen ("madd", "maddu"): Use.
999 Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
1001 * mips.igen (DSRAV): Use function do_dsrav.
1002 (SRAV): Use new function do_srav.
1004 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
1005 (B): Sign extend 11 bit immediate.
1006 (EXT-B*): Shift 16 bit immediate left by 1.
1007 (ADDIU*): Don't sign extend immediate value.
1009 Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1011 * m16run.c (sim_engine_run): Restore CIA after handling an event.
1013 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
1016 * mips.igen (delayslot32, nullify_next_insn): New functions.
1017 (m16.igen): Always include.
1018 (do_*): Add more tracing.
1020 * m16.igen (delayslot16): Add NIA argument, could be called by a
1021 32 bit MIPS16 instruction.
1023 * interp.c (ifetch16): Move function from here.
1024 * sim-main.c (ifetch16): To here.
1026 * sim-main.c (ifetch16, ifetch32): Update to match current
1027 implementations of LH, LW.
1028 (signal_exception): Don't print out incorrect hex value of illegal
1031 Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1033 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
1036 * m16.igen: Implement MIPS16 instructions.
1038 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
1039 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
1040 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
1041 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
1042 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
1043 bodies of corresponding code from 32 bit insn to these. Also used
1044 by MIPS16 versions of functions.
1046 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
1047 (IMEM16): Drop NR argument from macro.
1049 Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1051 * Makefile.in (SIM_OBJS): Add sim-main.o.
1053 * sim-main.h (address_translation, load_memory, store_memory,
1054 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
1056 (pr_addr, pr_uword64): Declare.
1057 (sim-main.c): Include when H_REVEALS_MODULE_P.
1059 * interp.c (address_translation, load_memory, store_memory,
1060 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
1062 * sim-main.c: To here. Fix compilation problems.
1064 * configure.in: Enable inlining.
1065 * configure: Re-config.
1067 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
1069 * configure: Regenerated to track ../common/aclocal.m4 changes.
1071 Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1073 * mips.igen: Include tx.igen.
1074 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
1075 * tx.igen: New file, contains MADD and MADDU.
1077 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
1078 the hardwired constant `7'.
1079 (store_memory): Ditto.
1080 (LOADDRMASK): Move definition to sim-main.h.
1082 mips.igen (MTC0): Enable for r3900.
1085 mips.igen (do_load_byte): Delete.
1086 (do_load, do_store, do_load_left, do_load_write, do_store_left,
1087 do_store_right): New functions.
1088 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
1090 configure.in: Let the tx39 use igen again.
1093 Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1095 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
1096 not an address sized quantity. Return zero for cache sizes.
1098 Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
1100 * mips.igen (r3900): r3900 does not support 64 bit integer
1103 Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
1105 * configure.in (mipstx39*-*-*): Use gencode simulator rather
1107 * configure : Rebuild.
1109 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1111 * configure: Regenerated to track ../common/aclocal.m4 changes.
1113 Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1115 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
1117 Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
1119 * configure: Regenerated to track ../common/aclocal.m4 changes.
1120 * config.in: Regenerated to track ../common/aclocal.m4 changes.
1122 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1124 * configure: Regenerated to track ../common/aclocal.m4 changes.
1126 Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
1128 * interp.c (Max, Min): Comment out functions. Not yet used.
1130 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
1132 * configure: Regenerated to track ../common/aclocal.m4 changes.
1134 Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
1136 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
1137 configurable settings for stand-alone simulator.
1139 * configure.in: Added X11 search, just in case.
1141 * configure: Regenerated.
1143 Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
1145 * interp.c (sim_write, sim_read, load_memory, store_memory):
1146 Replace sim_core_*_map with read_map, write_map, exec_map resp.
1148 Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
1150 * sim-main.h (GETFCC): Return an unsigned value.
1152 Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1154 * mips.igen (DIV): Fix check for -1 / MIN_INT.
1155 (DADD): Result destination is RD not RT.
1157 Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1159 * sim-main.h (HIACCESS, LOACCESS): Always define.
1161 * mdmx.igen (Maxi, Mini): Rename Max, Min.
1163 * interp.c (sim_info): Delete.
1165 Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
1167 * interp.c (DECLARE_OPTION_HANDLER): Use it.
1168 (mips_option_handler): New argument `cpu'.
1169 (sim_open): Update call to sim_add_option_table.
1171 Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
1173 * mips.igen (CxC1): Add tracing.
1175 Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
1177 * sim-main.h (Max, Min): Declare.
1179 * interp.c (Max, Min): New functions.
1181 * mips.igen (BC1): Add tracing.
1183 Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
1185 * interp.c Added memory map for stack in vr4100
1187 Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
1189 * interp.c (load_memory): Add missing "break"'s.
1191 Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
1193 * interp.c (sim_store_register, sim_fetch_register): Pass in
1194 length parameter. Return -1.
1196 Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
1198 * interp.c: Added hardware init hook, fixed warnings.
1200 Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1202 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
1204 Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
1206 * interp.c (ifetch16): New function.
1208 * sim-main.h (IMEM32): Rename IMEM.
1209 (IMEM16_IMMED): Define.
1211 (DELAY_SLOT): Update.
1213 * m16run.c (sim_engine_run): New file.
1215 * m16.igen: All instructions except LB.
1216 (LB): Call do_load_byte.
1217 * mips.igen (do_load_byte): New function.
1218 (LB): Call do_load_byte.
1220 * mips.igen: Move spec for insn bit size and high bit from here.
1221 * Makefile.in (tmp-igen, tmp-m16): To here.
1223 * m16.dc: New file, decode mips16 instructions.
1225 * Makefile.in (SIM_NO_ALL): Define.
1226 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
1228 Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
1230 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
1231 point unit to 32 bit registers.
1232 * configure: Re-generate.
1234 Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1236 * configure.in (sim_use_gen): Make IGEN the default simulator
1237 generator for generic 32 and 64 bit mips targets.
1238 * configure: Re-generate.
1240 Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1242 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
1245 * interp.c (sim_fetch_register, sim_store_register): Read/write
1246 FGR from correct location.
1247 (sim_open): Set size of FGR's according to
1248 WITH_TARGET_FLOATING_POINT_BITSIZE.
1250 * sim-main.h (FGR): Store floating point registers in a separate
1253 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
1255 * configure: Regenerated to track ../common/aclocal.m4 changes.
1257 Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1259 * interp.c (ColdReset): Call PENDING_INVALIDATE.
1261 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
1263 * interp.c (pending_tick): New function. Deliver pending writes.
1265 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
1266 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
1267 it can handle mixed sized quantites and single bits.
1269 Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
1271 * interp.c (oengine.h): Do not include when building with IGEN.
1272 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
1273 (sim_info): Ditto for PROCESSOR_64BIT.
1274 (sim_monitor): Replace ut_reg with unsigned_word.
1275 (*): Ditto for t_reg.
1276 (LOADDRMASK): Define.
1277 (sim_open): Remove defunct check that host FP is IEEE compliant,
1278 using software to emulate floating point.
1279 (value_fpr, ...): Always compile, was conditional on HASFPU.
1281 Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
1283 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
1286 * interp.c (SD, CPU): Define.
1287 (mips_option_handler): Set flags in each CPU.
1288 (interrupt_event): Assume CPU 0 is the one being iterrupted.
1289 (sim_close): Do not clear STATE, deleted anyway.
1290 (sim_write, sim_read): Assume CPU zero's vm should be used for
1292 (sim_create_inferior): Set the PC for all processors.
1293 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
1295 (mips16_entry): Pass correct nr of args to store_word, load_word.
1296 (ColdReset): Cold reset all cpu's.
1297 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
1298 (sim_monitor, load_memory, store_memory, signal_exception): Use
1299 `CPU' instead of STATE_CPU.
1302 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
1305 * sim-main.h (signal_exception): Add sim_cpu arg.
1306 (SignalException*): Pass both SD and CPU to signal_exception.
1307 * interp.c (signal_exception): Update.
1309 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
1311 (sync_operation, prefetch, cache_op, store_memory, load_memory,
1312 address_translation): Ditto
1313 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
1315 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
1317 * configure: Regenerated to track ../common/aclocal.m4 changes.
1319 Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1321 * interp.c (sim_engine_run): Add `nr_cpus' argument.
1323 * mips.igen (model): Map processor names onto BFD name.
1325 * sim-main.h (CPU_CIA): Delete.
1326 (SET_CIA, GET_CIA): Define
1328 Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
1330 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
1333 * configure.in (default_endian): Configure a big-endian simulator
1335 * configure: Re-generate.
1337 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
1339 * configure: Regenerated to track ../common/aclocal.m4 changes.
1341 Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
1343 * interp.c (sim_monitor): Handle Densan monitor outbyte
1344 and inbyte functions.
1346 1997-12-29 Felix Lee <flee@cygnus.com>
1348 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
1350 Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
1352 * Makefile.in (tmp-igen): Arrange for $zero to always be
1353 reset to zero after every instruction.
1355 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1357 * configure: Regenerated to track ../common/aclocal.m4 changes.
1360 Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
1362 * mips.igen (MSUB): Fix to work like MADD.
1363 * gencode.c (MSUB): Similarly.
1365 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
1367 * configure: Regenerated to track ../common/aclocal.m4 changes.
1369 Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1371 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
1373 Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1375 * sim-main.h (sim-fpu.h): Include.
1377 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
1378 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
1379 using host independant sim_fpu module.
1381 Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1383 * interp.c (signal_exception): Report internal errors with SIGABRT
1386 * sim-main.h (C0_CONFIG): New register.
1387 (signal.h): No longer include.
1389 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
1391 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
1393 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
1395 Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1397 * mips.igen: Tag vr5000 instructions.
1398 (ANDI): Was missing mipsIV model, fix assembler syntax.
1399 (do_c_cond_fmt): New function.
1400 (C.cond.fmt): Handle mips I-III which do not support CC field
1402 (bc1): Handle mips IV which do not have a delaed FCC separatly.
1403 (SDR): Mask paddr when BigEndianMem, not the converse as specified
1405 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
1406 vr5000 which saves LO in a GPR separatly.
1408 * configure.in (enable-sim-igen): For vr5000, select vr5000
1409 specific instructions.
1410 * configure: Re-generate.
1412 Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
1414 * Makefile.in (SIM_OBJS): Add sim-fpu module.
1416 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
1417 fmt_uninterpreted_64 bit cases to switch. Convert to
1420 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
1422 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
1423 as specified in IV3.2 spec.
1424 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
1426 Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1428 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
1429 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
1430 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
1431 PENDING_FILL versions of instructions. Simplify.
1433 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
1435 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
1437 (MTHI, MFHI): Disable code checking HI-LO.
1439 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
1441 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
1443 Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
1445 * gencode.c (build_mips16_operands): Replace IPC with cia.
1447 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
1448 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
1450 (UndefinedResult): Replace function with macro/function
1452 (sim_engine_run): Don't save PC in IPC.
1454 * sim-main.h (IPC): Delete.
1457 * interp.c (signal_exception, store_word, load_word,
1458 address_translation, load_memory, store_memory, cache_op,
1459 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
1460 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
1461 current instruction address - cia - argument.
1462 (sim_read, sim_write): Call address_translation directly.
1463 (sim_engine_run): Rename variable vaddr to cia.
1464 (signal_exception): Pass cia to sim_monitor
1466 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
1467 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
1468 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
1470 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
1471 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
1474 * interp.c (signal_exception): Pass restart address to
1477 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
1478 idecode.o): Add dependency.
1480 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
1482 (DELAY_SLOT): Update NIA not PC with branch address.
1483 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
1485 * mips.igen: Use CIA not PC in branch calculations.
1486 (illegal): Call SignalException.
1487 (BEQ, ADDIU): Fix assembler.
1489 Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1491 * m16.igen (JALX): Was missing.
1493 * configure.in (enable-sim-igen): New configuration option.
1494 * configure: Re-generate.
1496 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
1498 * interp.c (load_memory, store_memory): Delete parameter RAW.
1499 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
1500 bypassing {load,store}_memory.
1502 * sim-main.h (ByteSwapMem): Delete definition.
1504 * Makefile.in (SIM_OBJS): Add sim-memopt module.
1506 * interp.c (sim_do_command, sim_commands): Delete mips specific
1507 commands. Handled by module sim-options.
1509 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
1510 (WITH_MODULO_MEMORY): Define.
1512 * interp.c (sim_info): Delete code printing memory size.
1514 * interp.c (mips_size): Nee sim_size, delete function.
1516 (monitor, monitor_base, monitor_size): Delete global variables.
1517 (sim_open, sim_close): Delete code creating monitor and other
1518 memory regions. Use sim-memopts module, via sim_do_commandf, to
1519 manage memory regions.
1520 (load_memory, store_memory): Use sim-core for memory model.
1522 * interp.c (address_translation): Delete all memory map code
1523 except line forcing 32 bit addresses.
1525 Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
1527 * sim-main.h (WITH_TRACE): Delete definition. Enables common
1530 * interp.c (logfh, logfile): Delete globals.
1531 (sim_open, sim_close): Delete code opening & closing log file.
1532 (mips_option_handler): Delete -l and -n options.
1533 (OPTION mips_options): Ditto.
1535 * interp.c (OPTION mips_options): Rename option trace to dinero.
1536 (mips_option_handler): Update.
1538 Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1540 * interp.c (fetch_str): New function.
1541 (sim_monitor): Rewrite using sim_read & sim_write.
1542 (sim_open): Check magic number.
1543 (sim_open): Write monitor vectors into memory using sim_write.
1544 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
1545 (sim_read, sim_write): Simplify - transfer data one byte at a
1547 (load_memory, store_memory): Clarify meaning of parameter RAW.
1549 * sim-main.h (isHOST): Defete definition.
1550 (isTARGET): Mark as depreciated.
1551 (address_translation): Delete parameter HOST.
1553 * interp.c (address_translation): Delete parameter HOST.
1555 Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
1559 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
1560 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
1562 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
1564 * mips.igen: Add model filter field to records.
1566 Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1568 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
1570 interp.c (sim_engine_run): Do not compile function sim_engine_run
1571 when WITH_IGEN == 1.
1573 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
1574 target architecture.
1576 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
1577 igen. Replace with configuration variables sim_igen_flags /
1580 * m16.igen: New file. Copy mips16 insns here.
1581 * mips.igen: From here.
1583 Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1585 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
1587 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
1589 Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
1591 * gencode.c (build_instruction): Follow sim_write's lead in using
1592 BigEndianMem instead of !ByteSwapMem.
1594 Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
1596 * configure.in (sim_gen): Dependent on target, select type of
1597 generator. Always select old style generator.
1599 configure: Re-generate.
1601 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
1603 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
1604 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
1605 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
1606 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
1607 SIM_@sim_gen@_*, set by autoconf.
1609 Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
1611 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
1613 * interp.c (ColdReset): Remove #ifdef HASFPU, check
1614 CURRENT_FLOATING_POINT instead.
1616 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
1617 (address_translation): Raise exception InstructionFetch when
1618 translation fails and isINSTRUCTION.
1620 * interp.c (sim_open, sim_write, sim_monitor, store_word,
1621 sim_engine_run): Change type of of vaddr and paddr to
1623 (address_translation, prefetch, load_memory, store_memory,
1624 cache_op): Change type of vAddr and pAddr to address_word.
1626 * gencode.c (build_instruction): Change type of vaddr and paddr to
1629 Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
1631 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
1632 macro to obtain result of ALU op.
1634 Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
1636 * interp.c (sim_info): Call profile_print.
1638 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1640 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
1642 * sim-main.h (WITH_PROFILE): Do not define, defined in
1643 common/sim-config.h. Use sim-profile module.
1644 (simPROFILE): Delete defintion.
1646 * interp.c (PROFILE): Delete definition.
1647 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
1648 (sim_close): Delete code writing profile histogram.
1649 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
1651 (sim_engine_run): Delete code profiling the PC.
1653 Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1655 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
1657 * interp.c (sim_monitor): Make register pointers of type
1660 * sim-main.h: Make registers of type unsigned_word not
1663 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
1665 * interp.c (sync_operation): Rename from SyncOperation, make
1666 global, add SD argument.
1667 (prefetch): Rename from Prefetch, make global, add SD argument.
1668 (decode_coproc): Make global.
1670 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
1672 * gencode.c (build_instruction): Generate DecodeCoproc not
1673 decode_coproc calls.
1675 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
1676 (SizeFGR): Move to sim-main.h
1677 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
1678 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
1679 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
1681 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
1682 FP_RM_TOMINF, GETRM): Move to sim-main.h.
1683 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
1684 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
1685 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
1686 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
1688 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
1690 (sim-alu.h): Include.
1691 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
1692 (sim_cia): Typedef to instruction_address.
1694 Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
1696 * Makefile.in (interp.o): Rename generated file engine.c to
1701 Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1703 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
1705 Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
1707 * gencode.c (build_instruction): For "FPSQRT", output correct
1708 number of arguments to Recip.
1710 Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
1712 * Makefile.in (interp.o): Depends on sim-main.h
1714 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
1716 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
1717 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
1718 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
1719 STATE, DSSTATE): Define
1720 (GPR, FGRIDX, ..): Define.
1722 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
1723 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
1724 (GPR, FGRIDX, ...): Delete macros.
1726 * interp.c: Update names to match defines from sim-main.h
1728 Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
1730 * interp.c (sim_monitor): Add SD argument.
1731 (sim_warning): Delete. Replace calls with calls to
1733 (sim_error): Delete. Replace calls with sim_io_error.
1734 (open_trace, writeout32, writeout16, getnum): Add SD argument.
1735 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
1736 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
1738 (mips_size): Rename from sim_size. Add SD argument.
1740 * interp.c (simulator): Delete global variable.
1741 (callback): Delete global variable.
1742 (mips_option_handler, sim_open, sim_write, sim_read,
1743 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
1744 sim_size,sim_monitor): Use sim_io_* not callback->*.
1745 (sim_open): ZALLOC simulator struct.
1746 (PROFILE): Do not define.
1748 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1750 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
1751 support.h with corresponding code.
1753 * sim-main.h (word64, uword64), support.h: Move definition to
1755 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
1758 * Makefile.in: Update dependencies
1759 * interp.c: Do not include.
1761 Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1763 * interp.c (address_translation, load_memory, store_memory,
1764 cache_op): Rename to from AddressTranslation et.al., make global,
1767 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
1770 * interp.c (SignalException): Rename to signal_exception, make
1773 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
1775 * sim-main.h (SignalException, SignalExceptionInterrupt,
1776 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
1777 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
1778 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
1781 * interp.c, support.h: Use.
1783 Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1785 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
1786 to value_fpr / store_fpr. Add SD argument.
1787 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
1788 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
1790 * sim-main.h (ValueFPR, StoreFPR): Define.
1792 Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
1794 * interp.c (sim_engine_run): Check consistency between configure
1795 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
1798 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
1799 (mips_fpu): Configure WITH_FLOATING_POINT.
1800 (mips_endian): Configure WITH_TARGET_ENDIAN.
1801 * configure: Update.
1803 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
1805 * configure: Regenerated to track ../common/aclocal.m4 changes.
1807 Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
1809 * configure: Regenerated.
1811 Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
1813 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
1815 Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1817 * gencode.c (print_igen_insn_models): Assume certain architectures
1818 include all mips* instructions.
1819 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
1822 * Makefile.in (tmp.igen): Add target. Generate igen input from
1825 * gencode.c (FEATURE_IGEN): Define.
1826 (main): Add --igen option. Generate output in igen format.
1827 (process_instructions): Format output according to igen option.
1828 (print_igen_insn_format): New function.
1829 (print_igen_insn_models): New function.
1830 (process_instructions): Only issue warnings and ignore
1831 instructions when no FEATURE_IGEN.
1833 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
1835 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
1838 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
1840 * configure: Regenerated to track ../common/aclocal.m4 changes.
1842 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
1844 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
1845 SIM_RESERVED_BITS): Delete, moved to common.
1846 (SIM_EXTRA_CFLAGS): Update.
1848 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
1850 * configure.in: Configure non-strict memory alignment.
1851 * configure: Regenerated to track ../common/aclocal.m4 changes.
1853 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
1855 * configure: Regenerated to track ../common/aclocal.m4 changes.
1857 Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
1859 * gencode.c (SDBBP,DERET): Added (3900) insns.
1860 (RFE): Turn on for 3900.
1861 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
1862 (dsstate): Made global.
1863 (SUBTARGET_R3900): Added.
1864 (CANCELDELAYSLOT): New.
1865 (SignalException): Ignore SystemCall rather than ignore and
1866 terminate. Add DebugBreakPoint handling.
1867 (decode_coproc): New insns RFE, DERET; and new registers Debug
1868 and DEPC protected by SUBTARGET_R3900.
1869 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
1871 * Makefile.in,configure.in: Add mips subtarget option.
1872 * configure: Update.
1874 Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
1876 * gencode.c: Add r3900 (tx39).
1879 Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
1881 * gencode.c (build_instruction): Don't need to subtract 4 for
1884 Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
1886 * interp.c: Correct some HASFPU problems.
1888 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
1890 * configure: Regenerated to track ../common/aclocal.m4 changes.
1892 Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
1894 * interp.c (mips_options): Fix samples option short form, should
1897 Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
1899 * interp.c (sim_info): Enable info code. Was just returning.
1901 Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
1903 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
1906 Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
1908 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
1910 (build_instruction): Ditto for LL.
1912 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
1914 * configure: Regenerated to track ../common/aclocal.m4 changes.
1916 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1918 * configure: Regenerated to track ../common/aclocal.m4 changes.
1921 Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
1923 * interp.c (sim_open): Add call to sim_analyze_program, update
1926 Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
1928 * interp.c (sim_kill): Delete.
1929 (sim_create_inferior): Add ABFD argument. Set PC from same.
1930 (sim_load): Move code initializing trap handlers from here.
1931 (sim_open): To here.
1932 (sim_load): Delete, use sim-hload.c.
1934 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
1936 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1938 * configure: Regenerated to track ../common/aclocal.m4 changes.
1941 Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1943 * interp.c (sim_open): Add ABFD argument.
1944 (sim_load): Move call to sim_config from here.
1945 (sim_open): To here. Check return status.
1947 Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
1949 * gencode.c (build_instruction): Two arg MADD should
1950 not assign result to $0.
1952 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
1954 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
1955 * sim/mips/configure.in: Regenerate.
1957 Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
1959 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
1960 signed8, unsigned8 et.al. types.
1962 * interp.c (SUB_REG_FETCH): Handle both little and big endian
1963 hosts when selecting subreg.
1965 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
1967 * interp.c (sim_engine_run): Reset the ZERO register to zero
1968 regardless of FEATURE_WARN_ZERO.
1969 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
1971 Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
1973 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
1974 (SignalException): For BreakPoints ignore any mode bits and just
1976 (SignalException): Always set the CAUSE register.
1978 Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
1980 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
1981 exception has been taken.
1983 * interp.c: Implement the ERET and mt/f sr instructions.
1985 Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
1987 * interp.c (SignalException): Don't bother restarting an
1990 Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1992 * interp.c (SignalException): Really take an interrupt.
1993 (interrupt_event): Only deliver interrupts when enabled.
1995 Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
1997 * interp.c (sim_info): Only print info when verbose.
1998 (sim_info) Use sim_io_printf for output.
2000 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2002 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
2005 Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2007 * interp.c (sim_do_command): Check for common commands if a
2008 simulator specific command fails.
2010 Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
2012 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
2013 and simBE when DEBUG is defined.
2015 Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
2017 * interp.c (interrupt_event): New function. Pass exception event
2018 onto exception handler.
2020 * configure.in: Check for stdlib.h.
2021 * configure: Regenerate.
2023 * gencode.c (build_instruction): Add UNUSED attribute to tempS
2024 variable declaration.
2025 (build_instruction): Initialize memval1.
2026 (build_instruction): Add UNUSED attribute to byte, bigend,
2028 (build_operands): Ditto.
2030 * interp.c: Fix GCC warnings.
2031 (sim_get_quit_code): Delete.
2033 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
2034 * Makefile.in: Ditto.
2035 * configure: Re-generate.
2037 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
2039 Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2041 * interp.c (mips_option_handler): New function parse argumes using
2043 (myname): Replace with STATE_MY_NAME.
2044 (sim_open): Delete check for host endianness - performed by
2046 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
2047 (sim_open): Move much of the initialization from here.
2048 (sim_load): To here. After the image has been loaded and
2050 (sim_open): Move ColdReset from here.
2051 (sim_create_inferior): To here.
2052 (sim_open): Make FP check less dependant on host endianness.
2054 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
2056 * interp.c (sim_set_callbacks): Delete.
2058 * interp.c (membank, membank_base, membank_size): Replace with
2059 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
2060 (sim_open): Remove call to callback->init. gdb/run do this.
2064 * sim-main.h (SIM_HAVE_FLATMEM): Define.
2066 * interp.c (big_endian_p): Delete, replaced by
2067 current_target_byte_order.
2069 Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2071 * interp.c (host_read_long, host_read_word, host_swap_word,
2072 host_swap_long): Delete. Using common sim-endian.
2073 (sim_fetch_register, sim_store_register): Use H2T.
2074 (pipeline_ticks): Delete. Handled by sim-events.
2076 (sim_engine_run): Update.
2078 Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
2080 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
2082 (SignalException): To here. Signal using sim_engine_halt.
2083 (sim_stop_reason): Delete, moved to common.
2085 Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
2087 * interp.c (sim_open): Add callback argument.
2088 (sim_set_callbacks): Delete SIM_DESC argument.
2091 Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2093 * Makefile.in (SIM_OBJS): Add common modules.
2095 * interp.c (sim_set_callbacks): Also set SD callback.
2096 (set_endianness, xfer_*, swap_*): Delete.
2097 (host_read_word, host_read_long, host_swap_word, host_swap_long):
2098 Change to functions using sim-endian macros.
2099 (control_c, sim_stop): Delete, use common version.
2100 (simulate): Convert into.
2101 (sim_engine_run): This function.
2102 (sim_resume): Delete.
2104 * interp.c (simulation): New variable - the simulator object.
2105 (sim_kind): Delete global - merged into simulation.
2106 (sim_load): Cleanup. Move PC assignment from here.
2107 (sim_create_inferior): To here.
2109 * sim-main.h: New file.
2110 * interp.c (sim-main.h): Include.
2112 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
2114 * configure: Regenerated to track ../common/aclocal.m4 changes.
2116 Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
2118 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
2120 Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
2122 * gencode.c (build_instruction): DIV instructions: check
2123 for division by zero and integer overflow before using
2124 host's division operation.
2126 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
2128 * Makefile.in (SIM_OBJS): Add sim-load.o.
2129 * interp.c: #include bfd.h.
2130 (target_byte_order): Delete.
2131 (sim_kind, myname, big_endian_p): New static locals.
2132 (sim_open): Set sim_kind, myname. Move call to set_endianness to
2133 after argument parsing. Recognize -E arg, set endianness accordingly.
2134 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
2135 load file into simulator. Set PC from bfd.
2136 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
2137 (set_endianness): Use big_endian_p instead of target_byte_order.
2139 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
2141 * interp.c (sim_size): Delete prototype - conflicts with
2142 definition in remote-sim.h. Correct definition.
2144 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2146 * configure: Regenerated to track ../common/aclocal.m4 changes.
2149 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
2151 * interp.c (sim_open): New arg `kind'.
2153 * configure: Regenerated to track ../common/aclocal.m4 changes.
2155 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2157 * configure: Regenerated to track ../common/aclocal.m4 changes.
2159 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
2161 * interp.c (sim_open): Set optind to 0 before calling getopt.
2163 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2165 * configure: Regenerated to track ../common/aclocal.m4 changes.
2167 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
2169 * interp.c : Replace uses of pr_addr with pr_uword64
2170 where the bit length is always 64 independent of SIM_ADDR.
2171 (pr_uword64) : added.
2173 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
2175 * configure: Re-generate.
2177 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
2179 * configure: Regenerate to track ../common/aclocal.m4 changes.
2181 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
2183 * interp.c (sim_open): New SIM_DESC result. Argument is now
2185 (other sim_*): New SIM_DESC argument.
2187 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
2189 * interp.c: Fix printing of addresses for non-64-bit targets.
2190 (pr_addr): Add function to print address based on size.
2192 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
2194 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
2196 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
2198 * gencode.c (build_mips16_operands): Correct computation of base
2199 address for extended PC relative instruction.
2201 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
2203 * interp.c (mips16_entry): Add support for floating point cases.
2204 (SignalException): Pass floating point cases to mips16_entry.
2205 (ValueFPR): Don't restrict fmt_single and fmt_word to even
2207 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
2209 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
2210 and then set the state to fmt_uninterpreted.
2211 (COP_SW): Temporarily set the state to fmt_word while calling
2214 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
2216 * gencode.c (build_instruction): The high order may be set in the
2217 comparison flags at any ISA level, not just ISA 4.
2219 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
2221 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
2222 COMMON_{PRE,POST}_CONFIG_FRAG instead.
2223 * configure.in: sinclude ../common/aclocal.m4.
2224 * configure: Regenerated.
2226 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
2228 * configure: Rebuild after change to aclocal.m4.
2230 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
2232 * configure configure.in Makefile.in: Update to new configure
2233 scheme which is more compatible with WinGDB builds.
2234 * configure.in: Improve comment on how to run autoconf.
2235 * configure: Re-run autoconf to get new ../common/aclocal.m4.
2236 * Makefile.in: Use autoconf substitution to install common
2239 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
2241 * gencode.c (build_instruction): Use BigEndianCPU instead of
2244 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
2246 * interp.c (sim_monitor): Make output to stdout visible in
2247 wingdb's I/O log window.
2249 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
2251 * support.h: Undo previous change to SIGTRAP
2254 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
2256 * interp.c (store_word, load_word): New static functions.
2257 (mips16_entry): New static function.
2258 (SignalException): Look for mips16 entry and exit instructions.
2259 (simulate): Use the correct index when setting fpr_state after
2260 doing a pending move.
2262 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
2264 * interp.c: Fix byte-swapping code throughout to work on
2265 both little- and big-endian hosts.
2267 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
2269 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
2270 with gdb/config/i386/xm-windows.h.
2272 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
2274 * gencode.c (build_instruction): Work around MSVC++ code gen bug
2275 that messes up arithmetic shifts.
2277 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
2279 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
2280 SIGTRAP and SIGQUIT for _WIN32.
2282 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
2284 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
2285 force a 64 bit multiplication.
2286 (build_instruction) [OR]: In mips16 mode, don't do anything if the
2287 destination register is 0, since that is the default mips16 nop
2290 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
2292 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
2293 (build_endian_shift): Don't check proc64.
2294 (build_instruction): Always set memval to uword64. Cast op2 to
2295 uword64 when shifting it left in memory instructions. Always use
2296 the same code for stores--don't special case proc64.
2298 * gencode.c (build_mips16_operands): Fix base PC value for PC
2300 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
2302 * interp.c (simJALDELAYSLOT): Define.
2303 (JALDELAYSLOT): Define.
2304 (INDELAYSLOT, INJALDELAYSLOT): Define.
2305 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
2307 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
2309 * interp.c (sim_open): add flush_cache as a PMON routine
2310 (sim_monitor): handle flush_cache by ignoring it
2312 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
2314 * gencode.c (build_instruction): Use !ByteSwapMem instead of
2316 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
2317 (BigEndianMem): Rename to ByteSwapMem and change sense.
2318 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
2319 BigEndianMem references to !ByteSwapMem.
2320 (set_endianness): New function, with prototype.
2321 (sim_open): Call set_endianness.
2322 (sim_info): Use simBE instead of BigEndianMem.
2323 (xfer_direct_word, xfer_direct_long, swap_direct_word,
2324 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
2325 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
2326 ifdefs, keeping the prototype declaration.
2327 (swap_word): Rewrite correctly.
2328 (ColdReset): Delete references to CONFIG. Delete endianness related
2329 code; moved to set_endianness.
2331 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
2333 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
2334 * interp.c (CHECKHILO): Define away.
2335 (simSIGINT): New macro.
2336 (membank_size): Increase from 1MB to 2MB.
2337 (control_c): New function.
2338 (sim_resume): Rename parameter signal to signal_number. Add local
2339 variable prev. Call signal before and after simulate.
2340 (sim_stop_reason): Add simSIGINT support.
2341 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
2343 (sim_warning): Delete call to SignalException. Do call printf_filtered
2345 (AddressTranslation): Add #ifdef DEBUG around debugging message and
2346 a call to sim_warning.
2348 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
2350 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
2351 16 bit instructions.
2353 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
2355 Add support for mips16 (16 bit MIPS implementation):
2356 * gencode.c (inst_type): Add mips16 instruction encoding types.
2357 (GETDATASIZEINSN): Define.
2358 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
2359 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
2361 (MIPS16_DECODE): New table, for mips16 instructions.
2362 (bitmap_val): New static function.
2363 (struct mips16_op): Define.
2364 (mips16_op_table): New table, for mips16 operands.
2365 (build_mips16_operands): New static function.
2366 (process_instructions): If PC is odd, decode a mips16
2367 instruction. Break out instruction handling into new
2368 build_instruction function.
2369 (build_instruction): New static function, broken out of
2370 process_instructions. Check modifiers rather than flags for SHIFT
2371 bit count and m[ft]{hi,lo} direction.
2372 (usage): Pass program name to fprintf.
2373 (main): Remove unused variable this_option_optind. Change
2374 ``*loptarg++'' to ``loptarg++''.
2375 (my_strtoul): Parenthesize && within ||.
2376 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
2377 (simulate): If PC is odd, fetch a 16 bit instruction, and
2378 increment PC by 2 rather than 4.
2379 * configure.in: Add case for mips16*-*-*.
2380 * configure: Rebuild.
2382 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
2384 * interp.c: Allow -t to enable tracing in standalone simulator.
2385 Fix garbage output in trace file and error messages.
2387 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
2389 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
2390 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
2391 * configure.in: Simplify using macros in ../common/aclocal.m4.
2392 * configure: Regenerated.
2393 * tconfig.in: New file.
2395 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
2397 * interp.c: Fix bugs in 64-bit port.
2398 Use ansi function declarations for msvc compiler.
2399 Initialize and test file pointer in trace code.
2400 Prevent duplicate definition of LAST_EMED_REGNUM.
2402 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
2404 * interp.c (xfer_big_long): Prevent unwanted sign extension.
2406 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
2408 * interp.c (SignalException): Check for explicit terminating
2410 * gencode.c: Pass instruction value through SignalException()
2411 calls for Trap, Breakpoint and Syscall.
2413 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2415 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
2416 only used on those hosts that provide it.
2417 * configure.in: Add sqrt() to list of functions to be checked for.
2418 * config.in: Re-generated.
2419 * configure: Re-generated.
2421 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
2423 * gencode.c (process_instructions): Call build_endian_shift when
2424 expanding STORE RIGHT, to fix swr.
2425 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
2426 clear the high bits.
2427 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
2428 Fix float to int conversions to produce signed values.
2430 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
2432 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
2433 (process_instructions): Correct handling of nor instruction.
2434 Correct shift count for 32 bit shift instructions. Correct sign
2435 extension for arithmetic shifts to not shift the number of bits in
2436 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
2437 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
2439 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
2440 It's OK to have a mult follow a mult. What's not OK is to have a
2441 mult follow an mfhi.
2442 (Convert): Comment out incorrect rounding code.
2444 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
2446 * interp.c (sim_monitor): Improved monitor printf
2447 simulation. Tidied up simulator warnings, and added "--log" option
2448 for directing warning message output.
2449 * gencode.c: Use sim_warning() rather than WARNING macro.
2451 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
2453 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
2454 getopt1.o, rather than on gencode.c. Link objects together.
2455 Don't link against -liberty.
2456 (gencode.o, getopt.o, getopt1.o): New targets.
2457 * gencode.c: Include <ctype.h> and "ansidecl.h".
2458 (AND): Undefine after including "ansidecl.h".
2459 (ULONG_MAX): Define if not defined.
2460 (OP_*): Don't define macros; now defined in opcode/mips.h.
2461 (main): Call my_strtoul rather than strtoul.
2462 (my_strtoul): New static function.
2464 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
2466 * gencode.c (process_instructions): Generate word64 and uword64
2467 instead of `long long' and `unsigned long long' data types.
2468 * interp.c: #include sysdep.h to get signals, and define default
2470 * (Convert): Work around for Visual-C++ compiler bug with type
2472 * support.h: Make things compile under Visual-C++ by using
2473 __int64 instead of `long long'. Change many refs to long long
2474 into word64/uword64 typedefs.
2476 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
2478 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
2479 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
2481 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
2482 (AC_PROG_INSTALL): Added.
2483 (AC_PROG_CC): Moved to before configure.host call.
2484 * configure: Rebuilt.
2486 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
2488 * configure.in: Define @SIMCONF@ depending on mips target.
2489 * configure: Rebuild.
2490 * Makefile.in (run): Add @SIMCONF@ to control simulator
2492 * gencode.c: Change LOADDRMASK to 64bit memory model only.
2493 * interp.c: Remove some debugging, provide more detailed error
2494 messages, update memory accesses to use LOADDRMASK.
2496 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
2498 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
2499 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
2501 * configure: Rebuild.
2502 * config.in: New file, generated by autoheader.
2503 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
2504 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
2505 HAVE_ANINT and HAVE_AINT, as appropriate.
2506 * Makefile.in (run): Use @LIBS@ rather than -lm.
2507 (interp.o): Depend upon config.h.
2508 (Makefile): Just rebuild Makefile.
2509 (clean): Remove stamp-h.
2510 (mostlyclean): Make the same as clean, not as distclean.
2511 (config.h, stamp-h): New targets.
2513 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
2515 * interp.c (ColdReset): Fix boolean test. Make all simulator
2518 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
2520 * interp.c (xfer_direct_word, xfer_direct_long,
2521 swap_direct_word, swap_direct_long, xfer_big_word,
2522 xfer_big_long, xfer_little_word, xfer_little_long,
2523 swap_word,swap_long): Added.
2524 * interp.c (ColdReset): Provide function indirection to
2525 host<->simulated_target transfer routines.
2526 * interp.c (sim_store_register, sim_fetch_register): Updated to
2527 make use of indirected transfer routines.
2529 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
2531 * gencode.c (process_instructions): Ensure FP ABS instruction
2533 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
2534 system call support.
2536 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
2538 * interp.c (sim_do_command): Complain if callback structure not
2541 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
2543 * interp.c (Convert): Provide round-to-nearest and round-to-zero
2544 support for Sun hosts.
2545 * Makefile.in (gencode): Ensure the host compiler and libraries
2546 used for cross-hosted build.
2548 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
2550 * interp.c, gencode.c: Some more (TODO) tidying.
2552 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
2554 * gencode.c, interp.c: Replaced explicit long long references with
2555 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
2556 * support.h (SET64LO, SET64HI): Macros added.
2558 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
2560 * configure: Regenerate with autoconf 2.7.
2562 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
2564 * interp.c (LoadMemory): Enclose text following #endif in /* */.
2565 * support.h: Remove superfluous "1" from #if.
2566 * support.h (CHECKSIM): Remove stray 'a' at end of line.
2568 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
2570 * interp.c (StoreFPR): Control UndefinedResult() call on
2571 WARN_RESULT manifest.
2573 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
2575 * gencode.c: Tidied instruction decoding, and added FP instruction
2578 * interp.c: Added dineroIII, and BSD profiling support. Also
2579 run-time FP handling.
2581 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
2583 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
2584 gencode.c, interp.c, support.h: created.