diff options
Diffstat (limited to 'arch/mips/isa/decoder.isa')
-rw-r--r-- | arch/mips/isa/decoder.isa | 323 |
1 files changed, 168 insertions, 155 deletions
diff --git a/arch/mips/isa/decoder.isa b/arch/mips/isa/decoder.isa index f16da7f87..3f054f6a5 100644 --- a/arch/mips/isa/decoder.isa +++ b/arch/mips/isa/decoder.isa @@ -20,8 +20,8 @@ decode OPCODE_HI default Unknown::unknown() { 0x0: decode FUNCTION_LO { 0x1: decode MOVCI { format BasicOp { - 0: movf({{ if( xc->miscRegs.fpcr == 0) Rd = Rs}}); - 1: movt({{ if( xc->miscRegs.fpcr == 1) Rd = Rs}}); + 0: movf({{ if (xc->readMiscReg(FPCR,0) != CC) Rd = Rs}}); + 1: movt({{ if (xc->readMiscReg(FPCR,0) == CC) Rd = Rs}}); } } @@ -30,7 +30,17 @@ decode OPCODE_HI default Unknown::unknown() { //Table A-3 Note: "1. Specific encodings of the rt, rd, and sa fields //are used to distinguish among the SLL, NOP, SSNOP and EHB functions." - 0x0: sll({{ Rd = Rt.uw << SA; }}); + 0x0: decode RS { + 0x0: decode RT default BasicOp::sll({{ Rd = Rt.uw << SA; }}) { + 0x0: decode RD{ + 0x0: decode HINT { + 0x0:nop({{}}); //really sll r0,r0,0 + 0x1:ssnop({{}});//really sll r0,r0,1 + 0x3:ehb({{}}); //really sll r0,r0,3 + } + } + } + } 0x2: decode SRL { 0: srl({{ Rd = Rt.uw >> SA; }}); @@ -60,9 +70,9 @@ decode OPCODE_HI default Unknown::unknown() { //to distinguish JR from JR.HB and JALR from JALR.HB" format Jump { 0x0: decode HINT { - 0:jr({{ NNPC = Rs; }},IsReturn); + 0:jr({{ NNPC = Rs & ~1; }},IsReturn); - 1:jr_hb({{ NNPC = Rs; clear_exe_inst_hazards(); }},IsReturn); + 1:jr_hb({{ NNPC = Rs & ~1; clear_exe_inst_hazards(); }},IsReturn); } 0x1: decode HINT { @@ -86,10 +96,10 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: decode FUNCTION_LO { format BasicOp { - 0x0: mfhi({{ Rd = xc->miscRegs.hi; }}); - 0x1: mthi({{ xc->miscRegs.hi = Rs; }}); - 0x2: mflo({{ Rd = xc->miscRegs.lo; }}); - 0x3: mtlo({{ xc->miscRegs.lo = Rs; }}); + 0x0: mfhi({{ Rd = xc->readMiscReg(Hi); }}); + 0x1: mthi({{ xc->setMiscReg(Hi,Rs); }}); + 0x2: mflo({{ Rd = xc->readMiscReg(Lo); }}); + 0x3: mtlo({{ xc->setMiscReg(Lo,Rs); }}); } } @@ -97,39 +107,38 @@ decode OPCODE_HI default Unknown::unknown() { format IntOp { 0x0: mult({{ int64_t temp1 = Rs.sw * Rt.sw; - xc->miscRegs.hi->temp1<63:32>; - xc->miscRegs.lo->temp1<31:0>; + xc->setMiscReg(Hi,temp1<63:32>); + xc->setMiscReg(Lo,temp1<31:0>); }}); 0x1: multu({{ int64_t temp1 = Rs.uw * Rt.uw; - xc->miscRegs.hi->temp1<63:32>; - xc->miscRegs.lo->temp1<31:0> - Rd.sw = Rs.uw * Rt.uw; + xc->setMiscReg(Hi,temp1<63:32>); + xc->setMiscReg(Lo,temp1<31:0>); }}); 0x2: div({{ - xc->miscRegs.hi = Rs.sw % Rt.sw; - xc->miscRegs.lo = Rs.sw / Rt.sw; + xc->setMiscReg(Hi,Rs.sw % Rt.sw); + xc->setMiscReg(Lo,Rs.sw / Rt.sw); }}); 0x3: divu({{ - xc->miscRegs.hi = Rs.uw % Rt.uw; - xc->miscRegs.lo = Rs.uw / Rt.uw; + xc->setMiscReg(Hi,Rs.uw % Rt.uw); + xc->setMiscReg(Lo,Rs.uw / Rt.uw); }}); } } 0x4: decode FUNCTION_LO { format IntOp { - 0x0: add({{ Rd.sw = Rs.sw + Rt.sw;}}); - 0x1: addu({{ Rd.uw = Rs.uw + Rt.uw;}}); - 0x2: sub({{ Rd.sw = Rs.sw - Rt.sw;}}); - 0x3: subu({{ Rd.uw = Rs.uw - Rt.uw;}}); - 0x4: and({{ Rd.sw = Rs.uw & Rt.uw;}}); - 0x5: or({{ Rd.sw = Rs.uw | Rt.uw;}}); - 0x6: xor({{ Rd.sw = Rs.uw ^ Rt.uw;}}); - 0x7: nor({{ Rd.sw = ~(Rs.uw | Rt.uw);}}); + 0x0: add({{ Rd.sw = Rs.sw + Rt.sw;/*Trap on Overflow*/}}); + 0x1: addu({{ Rd.sw = Rs.sw + Rt.sw;}}); + 0x2: sub({{ Rd.sw = Rs.sw - Rt.sw; /*Trap on Overflow*/}}); + 0x3: subu({{ Rd.sw = Rs.sw - Rt.uw;}}); + 0x4: and({{ Rd = Rs & Rt;}}); + 0x5: or({{ Rd = Rs | Rt;}}); + 0x6: xor({{ Rd = Rs ^ Rt;}}); + 0x7: nor({{ Rd = ~(Rs | Rt);}}); } } @@ -141,8 +150,8 @@ decode OPCODE_HI default Unknown::unknown() { } 0x6: decode FUNCTION_LO { - format BasicOp { - 0x0: tge({{ cond = (Rs.sw >= Rt.sw); }}); + format Trap { + 0x0: tge({{ cond = (Rs.sw >= Rt.sw); }}); 0x1: tgeu({{ cond = (Rs.uw >= Rt.uw); }}); 0x2: tlt({{ cond = (Rs.sw < Rt.sw); }}); 0x3: tltu({{ cond = (Rs.uw >= Rt.uw); }}); @@ -167,7 +176,7 @@ decode OPCODE_HI default Unknown::unknown() { } 0x1: decode REGIMM_LO { - format BasicOp { + format Trap { 0x0: tgei( {{ cond = (Rs.sw >= INTIMM); }}); 0x1: tgeiu({{ cond = (Rs.uw >= INTIMM); }}); 0x2: tlti( {{ cond = (Rs.sw < INTIMM); }}); @@ -198,14 +207,14 @@ decode OPCODE_HI default Unknown::unknown() { } format Jump { - 0x2: j({{ NNPC = (NPC & 0xF0000000) & (0x00000000 & JMPTARG << 2);}}); + 0x2: j({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2);}}); - 0x3: jal({{ NNPC = (NPC & 0xF0000000) & (0x00000000 & JMPTARG << 2);}},IsCall,IsReturn); + 0x3: jal({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2); }},IsCall,IsReturn); } format Branch { - 0x4: beq({{ cond = (Rs.sw == 0); }}); - 0x5: bne({{ cond = (Rs.sw != 0); }}); + 0x4: beq({{ cond = (Rs.sw == Rt.sw); }}); + 0x5: bne({{ cond = (Rs.sw != Rt.sw); }}); 0x6: blez({{ cond = (Rs.sw <= 0); }}); 0x7: bgtz({{ cond = (Rs.sw > 0); }}); } @@ -213,10 +222,10 @@ decode OPCODE_HI default Unknown::unknown() { 0x1: decode OPCODE_LO { format IntOp { - 0x0: addi({{ Rt.sw = Rs.sw + INTIMM; }}); - 0x1: addiu({{ Rt.uw = Rs.uw + INTIMM;}}); - 0x2: slti({{ Rt.sw = ( Rs.sw < INTIMM ) ? 1 : 0 }}); - 0x3: sltiu({{ Rt.uw = ( Rs.uw < INTIMM ) ? 1 : 0 }}); + 0x0: addi({{ Rt.sw = Rs.sw + imm; /*Trap If Overflow*/}}); + 0x1: addiu({{ Rt.sw = Rs.sw + imm;}}); + 0x2: slti({{ Rt.sw = ( Rs.sw < imm) ? 1 : 0 }}); + 0x3: sltiu({{ Rt.sw = ( Rs.sw < imm ) ? 1 : 0 }}); 0x4: andi({{ Rt.sw = Rs.sw & INTIMM;}}); 0x5: ori({{ Rt.sw = Rs.sw | INTIMM;}}); 0x6: xori({{ Rt.sw = Rs.sw ^ INTIMM;}}); @@ -229,33 +238,17 @@ decode OPCODE_HI default Unknown::unknown() { //Table A-11 MIPS32 COP0 Encoding of rs Field 0x0: decode RS_MSB { 0x0: decode RS { - format BasicOp { + format System { 0x0: mfc0({{ - //The contents of the coprocessor 0 register specified by the - //combination of rd and sel are loaded into general register - //rt. Note that not all coprocessor 0 registers support the - //sel field. In those instances, the sel field must be zero. + //uint64_t reg_num = Rd.uw; - if (SEL > 0) - panic("Can't Handle Cop0 with register select yet\n"); - - uint64_t reg_num = Rd.uw; - - Rt = xc->miscRegs.cop0[reg_num]; + Rt = xc->readMiscReg(RD << 5 | SEL); }}); 0x4: mtc0({{ - //The contents of the coprocessor 0 register specified by the - //combination of rd and sel are loaded into general register - //rt. Note that not all coprocessor 0 registers support the - //sel field. In those instances, the sel field must be zero. + //uint64_t reg_num = Rd.uw; - if (SEL > 0) - panic("Can't Handle Cop0 with register select yet\n"); - - uint64_t reg_num = Rd.uw; - - xc->miscRegs.cop0[reg_num] = Rt; + xc->setMiscReg(RD << 5 | SEL,Rt); }}); 0x8: mftr({{ @@ -279,64 +272,84 @@ decode OPCODE_HI default Unknown::unknown() { 0xA: rdpgpr({{ //Accessing Previous Shadow Set Register Number - uint64_t prev = xc->miscRegs.cop0[SRSCtl][PSS]; - uint64_t reg_num = Rt.uw; + //uint64_t prev = xc->readMiscReg(SRSCtl)/*[PSS]*/; + //uint64_t reg_num = Rt.uw; - Rd = xc->shadowIntRegFile[prev][reg_num]; + //Rd = xc->regs.IntRegFile[prev]; + //Rd = xc->shadowIntRegFile[prev][reg_num]; }}); 0xB: decode RD { 0x0: decode SC { 0x0: dvpe({{ - Rt.sw = xc->miscRegs.cop0.MVPControl; - xc->miscRegs.cop0.MVPControl[EVP] = 0; + int idx; + int sel; + getMiscRegIdx(MVPControl,idx,sel); + Rt.sw = xc->readMiscReg(idx,sel); + xc->setMiscReg(idx,sel); }}); 0x1: evpe({{ - Rt.sw = xc->miscRegs.cop0.MVPControl; - xc->miscRegs.cop0.MVPControl[EVP] = 1; + int idx; + int sel; + getMiscRegIdx(MVPControl,idx,sel); + Rt.sw = xc->readMiscReg(idx,sel); + xc->setMiscReg(idx,sel,1); }}); } 0x1: decode SC { 0x0: dmt({{ - Rt.sw = xc->miscRegs.cop0.VPEControl; - xc->miscRegs.cop0.VPEControl[THREAD_ENABLE] = 0; + int idx; + int sel; + getMiscRegIdx(VPEControl,idx,sel); + Rt.sw = xc->readMiscReg(idx,sel); + xc->setMiscReg(idx,sel); }}); 0x1: emt({{ - Rt.sw = xc->miscRegs.cop0.VPEControl; - xc->miscRegs.cop0.VPEControl[THREAD_ENABLE] = 1; + int idx; + int sel; + getMiscRegIdx(VPEControl,idx,sel); + Rt.sw = xc->readMiscReg(idx,sel); + xc->setMiscReg(idx,sel,1); }}); } 0xC: decode SC { 0x0: di({{ - Rt.sw = xc->miscRegs.cop0.Status; - xc->miscRegs.cop0.Status[INTERRUPT_ENABLE] = 0; + int idx; + int sel; + getMiscRegIdx(Status,idx,sel); + Rt.sw = xc->readMiscReg(idx,sel); + xc->setMiscReg(idx,sel); }}); 0x1: ei({{ - Rt.sw = xc->miscRegs.cop0.Status; - xc->miscRegs.cop0.Status[INTERRUPT_ENABLE] = 1; + int idx; + int sel; + getMiscRegIdx(Status,idx,sel); + Rt.sw = xc->readMiscReg(idx,sel); + xc->setMiscReg(idx,sel,1); }}); } } 0xE: wrpgpr({{ //Accessing Previous Shadow Set Register Number - uint64_t prev = xc->miscRegs.cop0[SRSCtl][PSS]; - uint64_t reg_num = Rd.uw; + //uint64_t prev = xc->readMiscReg(SRSCtl/*[PSS]*/); + //uint64_t reg_num = Rd.uw; - xc->shadowIntRegFile[prev][reg_num] = Rt; + //xc->regs.IntRegFile[prev]; + //xc->shadowIntRegFile[prev][reg_num] = Rt; }}); } } //Table A-12 MIPS32 COP0 Encoding of Function Field When rs=CO 0x1: decode FUNCTION { - format BasicOp { + format System { 0x01: tlbr({{ }}); 0x02: tlbwi({{ }}); 0x06: tlbwr({{ }}); @@ -357,27 +370,27 @@ decode OPCODE_HI default Unknown::unknown() { 0x0: decode RS_HI { 0x0: decode RS_LO { format FloatOp { - 0x0: mfc1({{ Rt = Fs<31:0>; }}); - 0x2: cfc1({{ Rt = xc->miscRegs.fpcr[Fs];}}); - 0x3: mfhc1({{ Rt = Fs<63:32>;}}); - 0x4: mtc1({{ Fs<31:0> = Rt}}); - 0x6: ctc1({{ xc->miscRegs.fpcr[Fs] = Rt;}}); - 0x7: mftc1({{ Fs<63:32> = Rt}}); + 0x0: mfc1({{ /*Rt.uw = Fs.ud<31:0>;*/ }}); + 0x2: cfc1({{ /*Rt.uw = xc->readMiscReg(FPCR[Fs]);*/}}); + 0x3: mfhc1({{ /*Rt.uw = Fs.ud<63:32>*/;}}); + 0x4: mtc1({{ /*Fs = Rt.uw*/}}); + 0x6: ctc1({{ /*xc->setMiscReg(FPCR[Fs],Rt);*/}}); + 0x7: mthc1({{ /*Fs<63:32> = Rt.uw*/}}); } } 0x1: decode ND { 0x0: decode TF { format Branch { - 0x0: bc1f({{ cond = (xc->miscRegs.fpcr == 0); }}); - 0x1: bc1t({{ cond = (xc->miscRegs.fpcr == 1); }}); + 0x0: bc1f({{ cond = (xc->readMiscReg(FPCR) == 0); }}); + 0x1: bc1t({{ cond = (xc->readMiscReg(FPCR) == 1); }}); } } 0x1: decode TF { format BranchLikely { - 0x0: bc1fl({{ cond = (xc->miscRegs.fpcr == 0); }}); - 0x1: bc1tl({{ cond = (xc->miscRegs.fpcr == 1); }}); + 0x0: bc1fl({{ cond = (xc->readMiscReg(FPCR) == 0); }}); + 0x1: bc1tl({{ cond = (xc->readMiscReg(FPCR) == 1); }}); } } } @@ -396,7 +409,7 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: muls({{ Fd.sf = Fs.sf * Ft.sf;}}); 0x3: divs({{ Fd.sf = Fs.sf / Ft.sf;}}); 0x4: sqrts({{ Fd.sf = sqrt(Fs.sf);}}); - 0x5: abss({{ Fd.sf = abs(Fs.sf);}}); + 0x5: abss({{ Fd.sf = fabs(Fs.sf);}}); 0x6: movs({{ Fd.sf = Fs.sf;}}); 0x7: negs({{ Fd.sf = -1 * Fs.sf;}}); } @@ -422,8 +435,8 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: decode RS_LO { 0x1: decode MOVCF { format FloatOp { - 0x0: movfs({{ if ( FPConditionCode(CC) == 0 ) Fd = Fs; }}); - 0x1: movts({{ if ( FPConditionCode(CC) == 1 ) Fd = Fs;}}); + 0x0: movfs({{if (xc->readMiscReg(FPCR) != CC) Fd = Fs; }}); + 0x1: movts({{if (xc->readMiscReg(FPCR) == CC) Fd = Fs;}}); } } @@ -434,29 +447,29 @@ decode OPCODE_HI default Unknown::unknown() { format Float64Op { 0x5: recips({{ Fd = 1 / Fs; }}); - 0x6: rsqrts({{ Fd = 1 / sqrt(Fs.ud);}}); + 0x6: rsqrts({{ Fd = 1 / sqrt((double)Fs.ud);}}); } } 0x4: decode RS_LO { format FloatOp { - 0x1: cvt_d_s({{ int rnd_mode = xc->miscRegs.fcsr; + 0x1: cvt_d_s({{ int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.sf,rnd_mode,FP_DOUBLE,FP_SINGLE); }}); - 0x4: cvt_w_s({{ int rnd_mode = xc->miscRegs.fcsr; + 0x4: cvt_w_s({{ int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.sf,rnd_mode,FP_WORD,FP_SINGLE); }}); } //only legal for 64 bit format Float64Op { - 0x5: cvt_l_s({{ int rnd_mode = xc->miscRegs.fcsr; + 0x5: cvt_l_s({{ int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.sf,rnd_mode,FP_LONG,FP_SINGLE); }}); - 0x6: cvt_ps_s({{ Fd.df = Fs.df<31:0> | Ft.df<31:0>; }}); + 0x6: cvt_ps_s({{ /*Fd.df = Fs.df<31:0> | Ft.df<31:0>;*/ }}); } } } @@ -470,7 +483,7 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: muld({{ Fd.df = Fs.df * Ft.df;}}); 0x3: divd({{ Fd.df = Fs.df / Ft.df;}}); 0x4: sqrtd({{ Fd.df = sqrt(Fs.df);}}); - 0x5: absd({{ Fd.df = abs(Fs.df);}}); + 0x5: absd({{ Fd.df = fabs(Fs.df);}}); 0x6: movd({{ Fd.df = Fs.df;}}); 0x7: negd({{ Fd.df = -1 * Fs.df;}}); } @@ -496,8 +509,8 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: decode RS_LO { 0x1: decode MOVCF { format FloatOp { - 0x0: movfd({{ if (FPConditionCode(CC) == 0) Fd.df = Fs.df; }}); - 0x1: movtd({{ if (FPConditionCode(CC) == 1) Fd.df = Fs.df; }}); + 0x0: movfd({{if (xc->readMiscReg(FPCR) != CC) Fd.df = Fs.df; }}); + 0x1: movtd({{if (xc->readMiscReg(FPCR) == CC) Fd.df = Fs.df; }}); } } @@ -515,12 +528,12 @@ decode OPCODE_HI default Unknown::unknown() { 0x4: decode RS_LO { format FloatOp { 0x0: cvt_s_d({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_SINGLE,FP_DOUBLE); }}); 0x4: cvt_w_d({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_WORD,FP_DOUBLE); }}); } @@ -528,7 +541,7 @@ decode OPCODE_HI default Unknown::unknown() { //only legal for 64 bit format Float64Op { 0x5: cvt_l_d({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_LONG,FP_DOUBLE); }}); } @@ -539,12 +552,12 @@ decode OPCODE_HI default Unknown::unknown() { 0x4: decode FUNCTION { format FloatOp { 0x20: cvt_s({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_SINGLE,FP_WORD); }}); 0x21: cvt_d({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_DOUBLE,FP_WORD); }}); } @@ -556,12 +569,12 @@ decode OPCODE_HI default Unknown::unknown() { 0x5: decode FUNCTION_HI { format FloatOp { 0x10: cvt_s_l({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_SINGLE,FP_LONG); }}); 0x11: cvt_d_l({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_DOUBLE,FP_LONG); }}); } @@ -590,12 +603,12 @@ decode OPCODE_HI default Unknown::unknown() { 0x5: absps({{ //Must Check for Exception Here... Supposed to Operate on Upper and //Lower Halves Independently but we take simulator shortcut - Fd.df = abs(Fs.df); + Fd.df = fabs(Fs.df); }}); 0x6: movps({{ //Must Check for Exception Here... Supposed to Operate on Upper and //Lower Halves Independently but we take simulator shortcut - Fd.df = Fs<31:0> | Ft<31:0>; + //Fd.df = Fs<31:0> | Ft<31:0>; }}); 0x7: negps({{ //Must Check for Exception Here... Supposed to Operate on Upper and @@ -608,21 +621,21 @@ decode OPCODE_HI default Unknown::unknown() { 0x2: decode RS_LO { 0x1: decode MOVCF { format Float64Op { - 0x0: movfps({{ if ( FPConditionCode(CC) == 0) Fd = Fs;}}); - 0x1: movtps({{ if ( FPConditionCode(CC) == 0) Fd = Fs;}}); + 0x0: movfps({{if (xc->readMiscReg(FPCR) != CC) Fd = Fs;}}); + 0x1: movtps({{if (xc->readMiscReg(FPCR) == CC) Fd = Fs;}}); } } format BasicOp { - 0x2: movzps({{ if ( FPConditionCode(CC) == 0) Fd = Fs; }}); - 0x3: movnps({{ if ( FPConditionCode(CC) == 0) Fd = Fs; }}); + 0x2: movzps({{if (xc->readMiscReg(FPCR) != CC) Fd = Fs; }}); + 0x3: movnps({{if (xc->readMiscReg(FPCR) == CC) Fd = Fs; }}); } } 0x4: decode RS_LO { 0x0: Float64Op::cvt_s_pu({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_DOUBLE,FP_PS_HI); }}); } @@ -630,13 +643,13 @@ decode OPCODE_HI default Unknown::unknown() { 0x5: decode RS_LO { format Float64Op { 0x0: cvt_s_pl({{ - int rnd_mode = xc->miscRegs.fcsr; + int rnd_mode = xc->readMiscReg(FCSR); Fd = convert_and_round(Fs.df,rnd_mode,FP_SINGLE,FP_PS_LO); }}); - 0x4: pll({{ Fd.df = Fs<31:0> | Ft<31:0>}}); - 0x5: plu({{ Fd.df = Fs<31:0> | Ft<63:32>}}); - 0x6: pul({{ Fd.df = Fs<63:32> | Ft<31:0>}}); - 0x7: puu({{ Fd.df = Fs<63:32 | Ft<63:32>}}); + 0x4: pll({{ /*Fd.df = Fs<31:0> | Ft<31:0>*/}}); + 0x5: plu({{ /*Fd.df = Fs<31:0> | Ft<63:32>*/}}); + 0x6: pul({{ /*Fd.df = Fs<63:32> | Ft<31:0>*/}}); + 0x7: puu({{ /*Fd.df = Fs<63:32 | Ft<63:32>*/}}); } } } @@ -682,23 +695,23 @@ decode OPCODE_HI default Unknown::unknown() { 0x3: decode FUNCTION_HI { 0x0: decode FUNCTION_LO { format LoadMemory2 { - 0x0: lwxc1({{ EA = Rs + Rt; }},{{ Ft<31:0> = Mem.sf; }}); - 0x1: ldxc1({{ EA = Rs + Rt; }},{{ Ft<63:0> = Mem.df; }}); + 0x0: lwxc1({{ EA = Rs + Rt; }},{{ /*F_t<31:0> = Mem.sf; */}}); + 0x1: ldxc1({{ EA = Rs + Rt; }},{{ /*F_t<63:0> = Mem.df;*/ }}); 0x5: luxc1({{ //Need to make EA<2:0> = 0 EA = Rs + Rt; }}, - {{ Ft<31:0> = Mem.df; }}); + {{ /*F_t<31:0> = Mem.df; */}}); } } 0x1: decode FUNCTION_LO { format StoreMemory2 { - 0x0: swxc1({{ EA = Rs + Rt; }},{{ Mem.sf = Ft<31:0>; }}); - 0x1: sdxc1({{ EA = Rs + Rt; }},{{ Mem.df = Ft<63:0>}}); + 0x0: swxc1({{ EA = Rs + Rt; }},{{ /*Mem.sf = Ft<31:0>; */}}); + 0x1: sdxc1({{ EA = Rs + Rt; }},{{ /*Mem.df = Ft<63:0> */}}); 0x5: suxc1({{ //Need to make EA<2:0> = 0 EA = Rs + Rt; }}, - {{ Mem.df = Ft<63:0>;}}); + {{ /*Mem.df = F_t<63:0>;*/}}); } 0x7: WarnUnimpl::prefx(); @@ -768,33 +781,33 @@ decode OPCODE_HI default Unknown::unknown() { 0x0: decode FUNCTION_LO { format IntOp { 0x0: madd({{ - int64_t temp1 = Hi.sw << 32 | Lo.sw >> 32; + int64_t temp1 = xc->readMiscReg(Hi) << 32 | xc->readMiscReg(Lo) >> 32; temp1 = temp1 + (Rs.sw * Rt.sw); - xc->miscRegs.hi->temp1<63:32>; - xc->miscRegs.lo->temp1<31:0> + xc->setMiscReg(Hi,temp1<63:32>); + xc->setMiscReg(Lo,temp1<31:0>); }}); 0x1: maddu({{ - int64_t temp1 = Hi.uw << 32 | Lo.uw >> 32; + int64_t temp1 = xc->readMiscReg(Hi) << 32 | xc->readMiscReg(Lo) >> 32; temp1 = temp1 + (Rs.uw * Rt.uw); - xc->miscRegs.hi->temp1<63:32>; - xc->miscRegs.lo->temp1<31:0> + xc->setMiscReg(Hi,temp1<63:32>); + xc->setMiscReg(Lo,temp1<31:0>); }}); - 0x2: mul({{ Rd.sw = Rs.sw * Rt.sw; }}); + 0x2: mul({{ Rd.sw = Rs.sw * Rt.sw; }}); 0x4: msub({{ - int64_t temp1 = Hi.sw << 32 | Lo.sw >> 32; + int64_t temp1 = xc->readMiscReg(Hi) << 32 | xc->readMiscReg(Lo) >> 32; temp1 = temp1 - (Rs.sw * Rt.sw); - xc->miscRegs.hi->temp1<63:32>; - xc->miscRegs.lo->temp1<31:0> + xc->setMiscReg(Hi,temp1<63:32>); + xc->setMiscReg(Lo,temp1<31:0>); }}); 0x5: msubu({{ - int64_t temp1 = Hi.uw << 32 | Lo.uw >> 32; + int64_t temp1 = xc->readMiscReg(Hi) << 32 | xc->readMiscReg(Lo) >> 32; temp1 = temp1 - (Rs.uw * Rt.uw); - xc->miscRegs.hi->temp1<63:32>; - xc->miscRegs.lo->temp1<31:0> + xc->setMiscReg(Hi,temp1<63:32>); + xc->setMiscReg(Lo,temp1<31:0>); }}); } } @@ -802,25 +815,25 @@ decode OPCODE_HI default Unknown::unknown() { 0x4: decode FUNCTION_LO { format BasicOp { 0x0: clz({{ - int cnt = 0; + /*int cnt = 0; int idx = 0; - while ( Rs.uw<idx>!= 1) { + while ( Rs.uw<idx> != 1) { cnt++; idx--; } - Rd.uw = cnt; + Rd.uw = cnt;*/ }}); 0x1: clo({{ - int cnt = 0; + /*int cnt = 0; int idx = 0; - while ( Rs.uw<idx>!= 0) { + while ( Rs.uw<idx> != 0) { cnt++; idx--; } - Rd.uw = cnt; + Rd.uw = cnt;*/ }}); } } @@ -860,20 +873,20 @@ decode OPCODE_HI default Unknown::unknown() { } 0x6: decode FUNCTION_LO { - 0x7: BasicOp::rdhwr({{ Rt = xc->hwRegs[RD];}}); + 0x7: BasicOp::rdhwr({{ /*Rt = xc->hwRegs[RD];*/ }}); } } } 0x4: decode OPCODE_LO default FailUnimpl::reserved() { format LoadMemory { - 0x0: lb({{ Rb.sw = Mem.sb; }}); - 0x1: lh({{ Rb.sw = Mem.sh; }}); - 0x2: lwl({{ Rb.sw = Mem.sw; }});//, WordAlign); - 0x3: lw({{ Rb.uq = Mem.sb; }}); - 0x4: lbu({{ Rb.uw = Mem.ub; }}); - 0x5: lhu({{ Rb.uw = Mem.uh; }}); - 0x6: lwr({{ Rb.uw = Mem.uw; }});//, WordAlign); + 0x0: lb({{ Rt.sw = Mem.sb; }}); + 0x1: lh({{ Rt.sw = Mem.sh; }}); + 0x2: lwl({{ Rt.sw = Mem.sw; }});//, WordAlign); + 0x3: lw({{ Rt.sw = Mem.sb; }}); + 0x4: lbu({{ Rt.uw = Mem.ub; }}); + 0x5: lhu({{ Rt.uw = Mem.uh; }}); + 0x6: lwr({{ Rt.uw = Mem.uw; }});//, WordAlign); } 0x7: FailUnimpl::reserved(); @@ -898,19 +911,19 @@ decode OPCODE_HI default Unknown::unknown() { 0x0: WarnUnimpl::ll(); format LoadMemory { - 0x1: lwc1({{ Ft<31:0> = Mem.sf; }}); - 0x5: ldc1({{ Ft<63:0> = Mem.df; }}); + 0x1: lwc1({{ /*F_t<31:0> = Mem.sf; */}}); + 0x5: ldc1({{ /*F_t<63:0> = Mem.df; */}}); } } + 0x7: decode OPCODE_LO default FailUnimpl::reserved() { 0x0: WarnUnimpl::sc(); format StoreMemory { - 0x1: swc1({{ Mem.sf = Ft<31:0>; }}); - 0x5: sdc1({{ Mem.df = Ft<63:0>; }}); + 0x1: swc1({{ //Mem.sf = Ft<31:0>; }}); + 0x5: sdc1({{ //Mem.df = Ft<63:0>; }}); } - } } |