X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sim%2Fmips%2FChangeLog;h=5de700fd8fb2f881f048ae2496b66a564bab56e4;hb=f4f1b9f1029e0b2645a9ed13f6241518f7df1e0a;hp=9939dc7089609a96fe83e4b7647d4b2b4b5e7c6f;hpb=a28c02cd2b0c00e0bcd2e1512e47943337c6b11f;p=deliverable%2Fbinutils-gdb.git diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index 9939dc7089..5de700fd8f 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,3 +1,363 @@ +2002-06-02 Chris Demetriou + Ed Satterthwaite + + * mips.igen (mdmx): New (pseudo-)model. + * mdmx.c, mdmx.igen: New files. + * Makefile.in (SIM_OBJS): Add mdmx.o. + * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48): + New typedefs. + (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp) + (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA) + (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC) + (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS) + (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES) + (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical) + (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL) + (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND) + (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA) + (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR) + (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB) + (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor) + (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel) + (qh_fmtsel): New macros. + (_sim_cpu): New member "acc". + (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op) + (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions. + +2002-05-01 Chris Demetriou + + * interp.c: Use 'deprecated' rather than 'depreciated.' + * sim-main.h: Likewise. + +2002-05-01 Chris Demetriou + + * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult + which wouldn't compile anyway. + * sim-main.h (unpredictable_action): New function prototype. + (Unpredictable): Define to call igen function unpredictable(). + (NotWordValue): New macro to call igen function not_word_value(). + (UndefinedResult): Remove. + * interp.c (undefined_result): Remove. + (unpredictable_action): New function. + * mips.igen (not_word_value, unpredictable): New functions. + (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL) + (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu) + (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke + NotWordValue() to check for unpredictable inputs, then + Unpredictable() to handle them. + +2002-02-24 Chris Demetriou + + * mips.igen: Fix formatting of calls to Unpredictable(). + +2002-04-20 Andrew Cagney + + * interp.c (sim_open): Revert previous change. + +2002-04-18 Alexandre Oliva + + * interp.c (sim_open): Disable chunk of code that wrote code in + vector table entries. + +2002-03-19 Chris Demetriou + + * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f) + (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove + unused definitions. + +2002-03-19 Chris Demetriou + + * cp1.c: Fix many formatting issues. + +2002-03-19 Chris G. Demetriou + + * cp1.c (fpu_format_name): New function to replace... + (DOFMT): This. Delete, and update all callers. + (fpu_rounding_mode_name): New function to replace... + (RMMODE): This. Delete, and update all callers. + +2002-03-19 Chris G. Demetriou + + * interp.c: Move FPU support routines from here to... + * cp1.c: Here. New file. + * Makefile.in (SIM_OBJS): Add cp1.o to object list. + (cp1.o): New target. + +2002-03-12 Chris Demetriou + + * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets. + * mips.igen (mips32, mips64): New models, add to all instructions + and functions as appropriate. + (loadstore_ea, check_u64): New variant for model mips64. + (check_fmt_p): New variant for models mipsV and mips64, remove + mipsV model marking fro other variant. + (SLL) Rename to... + (SLLa) this. + (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions + for mips32 and mips64. + (DCLO, DCLZ): New instructions for mips64. + +2002-03-07 Chris Demetriou + + * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print + immediate or code as a hex value with the "%#lx" format. + (ANDI): Likewise, and fix printed instruction name. + +2002-03-05 Chris Demetriou + + * sim-main.h (UndefinedResult, Unpredictable): New macros + which currently do nothing. + +2002-03-05 Chris Demetriou + + * sim-main.h (status_UX, status_SX, status_KX, status_TS) + (status_PX, status_MX, status_CU0, status_CU1, status_CU2) + (status_CU3): New definitions. + + * sim-main.h (ExceptionCause): Add new values for MIPS32 + and MIPS64: MDMX, MCheck, CacheErr. Update comments + for DebugBreakPoint and NMIReset to note their status in + MIPS32 and MIPS64. + (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck) + (SignalExceptionCacheErr): New exception macros. + +2002-03-05 Chris Demetriou + + * mips.igen (check_fpu): Enable check for coprocessor 1 usability. + * sim-main.h (COP_Usable): Define, but for now coprocessor 1 + is always enabled. + (SignalExceptionCoProcessorUnusable): Take as argument the + unusable coprocessor number. + +2002-03-05 Chris Demetriou + + * mips.igen: Fix formatting of all SignalException calls. + +2002-03-05 Chris Demetriou + + * sim-main.h (SIGNEXTEND): Remove. + +2002-03-04 Chris Demetriou + + * mips.igen: Remove gencode comment from top of file, fix + spelling in another comment. + +2002-03-04 Chris Demetriou + + * mips.igen (check_fmt, check_fmt_p): New functions to check + whether specific floating point formats are usable. + (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt) + (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt) + (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W): + Use the new functions. + (do_c_cond_fmt): Remove format checks... + (C.cond.fmta, C.cond.fmtb): And move them into all callers. + +2002-03-03 Chris Demetriou + + * mips.igen: Fix formatting of check_fpu calls. + +2002-03-03 Chris Demetriou + + * mips.igen (FLOOR.L.fmt): Store correct destination register. + +2002-03-03 Chris Demetriou + + * mips.igen: Remove whitespace at end of lines. + +2002-03-02 Chris Demetriou + + * mips.igen (loadstore_ea): New function to do effective + address calculations. + (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store, + do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1, + CACHE): Use loadstore_ea to do effective address computations. + +2002-03-02 Chris Demetriou + + * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND. + * mips.igen (LL, CxC1, MxC1): Likewise. + +2002-03-02 Chris Demetriou + + * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt, + CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, + FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt, + MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D, + NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, + SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE): + Don't split opcode fields by hand, use the opcode field values + provided by igen. + +2002-03-01 Chris Demetriou + + * mips.igen (do_divu): Fix spacing. + + * mips.igen (do_dsllv): Move to be right before DSLLV, + to match the rest of the do_ functions. + +2002-03-01 Chris Demetriou + + * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl, + DSRL32, do_dsrlv): Trace inputs and results. + +2002-03-01 Chris Demetriou + + * mips.igen (CACHE): Provide instruction-printing string. + + * interp.c (signal_exception): Comment tokens after #endif. + +2002-02-28 Chris Demetriou + + * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32". + (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt, + NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt, + ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt, + CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta, + C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1, + SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D, + LWC1, SWC1): Add "f" to filter, since these are FP instructions. + +2002-02-28 Chris Demetriou + + * mips.igen (DSRA32, DSRAV): Fix order of arguments in + instruction-printing string. + (LWU): Use '64' as the filter flag. + +2002-02-28 Chris Demetriou + + * mips.igen (SDXC1): Fix instruction-printing string. + +2002-02-28 Chris Demetriou + + * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with + filter flags "32,f". + +2002-02-27 Chris Demetriou + + * mips.igen (PREFX): This is a 64-bit instruction, use '64' + as the filter flag. + +2002-02-27 Chris Demetriou + + * mips.igen (PREFX): Tweak instruction opcode fields (i.e., + add a comma) so that it more closely match the MIPS ISA + documentation opcode partitioning. + (PREF): Put useful names on opcode fields, and include + instruction-printing string. + +2002-02-27 Chris Demetriou + + * mips.igen (check_u64): New function which in the future will + check whether 64-bit instructions are usable and signal an + exception if not. Currently a no-op. + (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL, + DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, + DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1, + LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64. + + * mips.igen (check_fpu): New function which in the future will + check whether FPU instructions are usable and signal an exception + if not. Currently a no-op. + (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb, + CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, + CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1, + LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf, + MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, + NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt, + ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1, + SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu. + +2002-02-27 Chris Demetriou + + * mips.igen (do_load_left, do_load_right): Move to be immediately + following do_load. + (do_store_left, do_store_right): Move to be immediately following + do_store. + +2002-02-27 Chris Demetriou + + * mips.igen (mipsV): New model name. Also, add it to + all instructions and functions where it is appropriate. + +2002-02-18 Chris Demetriou + + * mips.igen: For all functions and instructions, list model + names that support that instruction one per line. + +2002-02-11 Chris Demetriou + + * mips.igen: Add some additional comments about supported + models, and about which instructions go where. + (BC1b, MFC0, MTC0, RFE): Sort supported models in the same + order as is used in the rest of the file. + +2002-02-11 Chris Demetriou + + * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment + indicating that ALU32_END or ALU64_END are there to check + for overflow. + (DADD): Likewise, but also remove previous comment about + overflow checking. + +2002-02-10 Chris Demetriou + + * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32, + DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU, + JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU, + SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI, + ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode + fields (i.e., add and move commas) so that they more closely + match the MIPS ISA documentation opcode partitioning. + +2002-02-10 Chris Demetriou + + * mips.igen (ADDI): Print immediate value. + (BREAK): Print code. + (DADDIU, DSRAV, DSRLV): Print correct instruction name. + (SLL): Print "nop" specially, and don't run the code + that does the shift for the "nop" case. + +2001-11-17 Fred Fish + + * sim-main.h (float_operation): Move enum declaration outside + of _sim_cpu struct declaration. + +2001-04-12 Jim Blandy + + * mips.igen (CFC1, CTC1): Pass the correct register numbers to + PENDING_FILL. Use PENDING_SCHED directly to handle the pending + set of the FCSR. + * sim-main.h (COCIDX): Remove definition; this isn't supported by + PENDING_FILL, and you can get the intended effect gracefully by + calling PENDING_SCHED directly. + +2001-02-23 Ben Elliston + + * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not + already defined elsewhere. + +2001-02-19 Ben Elliston + + * sim-main.h (sim_monitor): Return an int. + * interp.c (sim_monitor): Add return values. + (signal_exception): Handle error conditions from sim_monitor. + +2001-02-08 Ben Elliston + + * sim-main.c (load_memory): Pass cia to sim_core_read* functions. + (store_memory): Likewise, pass cia to sim_core_write*. + +2000-10-19 Frank Ch. Eigler + + On advice from Chris G. Demetriou : + * sim-main.h (GPR_CLEAR): Remove unused alternative macro. + +Thu Jul 27 22:02:05 2000 Andrew Cagney + + From Maciej W. Rozycki : + * Makefile.in: Don't delete *.igen when cleaning directory. + Wed Jul 19 18:50:51 2000 Andrew Cagney * m16.igen (break): Call SignalException not sim_engine_halt.