decoder.isa revision 7799
12686Sksewell@umich.edu// -*- mode:c++ -*- 22100SN/A 35254Sksewell@umich.edu// Copyright (c) 2007 MIPS Technologies, Inc. 45254Sksewell@umich.edu// All rights reserved. 55254Sksewell@umich.edu// 65254Sksewell@umich.edu// Redistribution and use in source and binary forms, with or without 75254Sksewell@umich.edu// modification, are permitted provided that the following conditions are 85254Sksewell@umich.edu// met: redistributions of source code must retain the above copyright 95254Sksewell@umich.edu// notice, this list of conditions and the following disclaimer; 105254Sksewell@umich.edu// redistributions in binary form must reproduce the above copyright 115254Sksewell@umich.edu// notice, this list of conditions and the following disclaimer in the 125254Sksewell@umich.edu// documentation and/or other materials provided with the distribution; 135254Sksewell@umich.edu// neither the name of the copyright holders nor the names of its 145254Sksewell@umich.edu// contributors may be used to endorse or promote products derived from 155254Sksewell@umich.edu// this software without specific prior written permission. 165254Sksewell@umich.edu// 175254Sksewell@umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 185254Sksewell@umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 195254Sksewell@umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 205254Sksewell@umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 215254Sksewell@umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 225254Sksewell@umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 235254Sksewell@umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 245254Sksewell@umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 255254Sksewell@umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 265254Sksewell@umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 275254Sksewell@umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 285254Sksewell@umich.edu// 295254Sksewell@umich.edu// Authors: Korey Sewell 305254Sksewell@umich.edu// Brett Miller 315254Sksewell@umich.edu// Jaidev Patwardhan 322706Sksewell@umich.edu 332022SN/A//////////////////////////////////////////////////////////////////// 342022SN/A// 352043SN/A// The actual MIPS32 ISA decoder 362024SN/A// ----------------------------- 372024SN/A// The following instructions are specified in the MIPS32 ISA 382043SN/A// Specification. Decoding closely follows the style specified 392686Sksewell@umich.edu// in the MIPS32 ISA specification document starting with Table 404661Sksewell@umich.edu// A-2 (document available @ http://www.mips.com) 412022SN/A// 422083SN/Adecode OPCODE_HI default Unknown::unknown() { 432686Sksewell@umich.edu //Table A-2 442101SN/A 0x0: decode OPCODE_LO { 452043SN/A 0x0: decode FUNCTION_HI { 462043SN/A 0x0: decode FUNCTION_LO { 472101SN/A 0x1: decode MOVCI { 482101SN/A format BasicOp { 496384Sgblack@eecs.umich.edu 0: movf({{ 506384Sgblack@eecs.umich.edu Rd = (getCondCode(FCSR, CC) == 0) ? Rd : Rs; 516384Sgblack@eecs.umich.edu }}); 526384Sgblack@eecs.umich.edu 1: movt({{ 536384Sgblack@eecs.umich.edu Rd = (getCondCode(FCSR, CC) == 1) ? Rd : Rs; 546384Sgblack@eecs.umich.edu }}); 552101SN/A } 562101SN/A } 572101SN/A 582046SN/A format BasicOp { 592686Sksewell@umich.edu //Table A-3 Note: "Specific encodings of the rd, rs, and 602686Sksewell@umich.edu //rt fields are used to distinguish SLL, SSNOP, and EHB 612686Sksewell@umich.edu //functions 622470SN/A 0x0: decode RS { 632686Sksewell@umich.edu 0x0: decode RT_RD { 644661Sksewell@umich.edu 0x0: decode SA default Nop::nop() { 655222Sksewell@umich.edu 0x1: ssnop({{;}}); 665222Sksewell@umich.edu 0x3: ehb({{;}}); 672686Sksewell@umich.edu } 682686Sksewell@umich.edu default: sll({{ Rd = Rt.uw << SA; }}); 692470SN/A } 702241SN/A } 712101SN/A 722495SN/A 0x2: decode RS_SRL { 732495SN/A 0x0:decode SRL { 742495SN/A 0: srl({{ Rd = Rt.uw >> SA; }}); 752101SN/A 766384Sgblack@eecs.umich.edu //Hardcoded assuming 32-bit ISA, 776384Sgblack@eecs.umich.edu //probably need parameter here 786384Sgblack@eecs.umich.edu 1: rotr({{ 796384Sgblack@eecs.umich.edu Rd = (Rt.uw << (32 - SA)) | (Rt.uw >> SA); 806384Sgblack@eecs.umich.edu }}); 812495SN/A } 822101SN/A } 832101SN/A 842495SN/A 0x3: decode RS { 852495SN/A 0x0: sra({{ 862495SN/A uint32_t temp = Rt >> SA; 872495SN/A if ( (Rt & 0x80000000) > 0 ) { 882495SN/A uint32_t mask = 0x80000000; 892495SN/A for(int i=0; i < SA; i++) { 902495SN/A temp |= mask; 912495SN/A mask = mask >> 1; 922495SN/A } 932495SN/A } 942495SN/A Rd = temp; 952495SN/A }}); 962495SN/A } 972101SN/A 982101SN/A 0x4: sllv({{ Rd = Rt.uw << Rs<4:0>; }}); 992101SN/A 1002101SN/A 0x6: decode SRLV { 1012101SN/A 0: srlv({{ Rd = Rt.uw >> Rs<4:0>; }}); 1022101SN/A 1036384Sgblack@eecs.umich.edu //Hardcoded assuming 32-bit ISA, 1046384Sgblack@eecs.umich.edu //probably need parameter here 1056384Sgblack@eecs.umich.edu 1: rotrv({{ 1066384Sgblack@eecs.umich.edu Rd = (Rt.uw << (32 - Rs<4:0>)) | 1076384Sgblack@eecs.umich.edu (Rt.uw >> Rs<4:0>); 1086384Sgblack@eecs.umich.edu }}); 1092101SN/A } 1102101SN/A 1112495SN/A 0x7: srav({{ 1122495SN/A int shift_amt = Rs<4:0>; 1132495SN/A 1142495SN/A uint32_t temp = Rt >> shift_amt; 1152495SN/A 1166384Sgblack@eecs.umich.edu if ((Rt & 0x80000000) > 0) { 1176384Sgblack@eecs.umich.edu uint32_t mask = 0x80000000; 1186384Sgblack@eecs.umich.edu for (int i = 0; i < shift_amt; i++) { 1196384Sgblack@eecs.umich.edu temp |= mask; 1206384Sgblack@eecs.umich.edu mask = mask >> 1; 1212495SN/A } 1226384Sgblack@eecs.umich.edu } 1232495SN/A Rd = temp; 1242495SN/A }}); 1252043SN/A } 1262043SN/A } 1272025SN/A 1282043SN/A 0x1: decode FUNCTION_LO { 1292686Sksewell@umich.edu //Table A-3 Note: "Specific encodings of the hint field are 1302686Sksewell@umich.edu //used to distinguish JR from JR.HB and JALR from JALR.HB" 1312123SN/A format Jump { 1322101SN/A 0x0: decode HINT { 1336376Sgblack@eecs.umich.edu 0x1: jr_hb({{ 1346376Sgblack@eecs.umich.edu Config1Reg config1 = Config1; 1356376Sgblack@eecs.umich.edu if (config1.ca == 0) { 1367792Sgblack@eecs.umich.edu NNPC = Rs; 1376376Sgblack@eecs.umich.edu } else { 1386376Sgblack@eecs.umich.edu panic("MIPS16e not supported\n"); 1396376Sgblack@eecs.umich.edu } 1406376Sgblack@eecs.umich.edu }}, IsReturn, ClearHazards); 1416376Sgblack@eecs.umich.edu default: jr({{ 1426376Sgblack@eecs.umich.edu Config1Reg config1 = Config1; 1436376Sgblack@eecs.umich.edu if (config1.ca == 0) { 1447792Sgblack@eecs.umich.edu NNPC = Rs; 1456376Sgblack@eecs.umich.edu } else { 1466376Sgblack@eecs.umich.edu panic("MIPS16e not supported\n"); 1476376Sgblack@eecs.umich.edu } 1486376Sgblack@eecs.umich.edu }}, IsReturn); 1492101SN/A } 1502042SN/A 1512101SN/A 0x1: decode HINT { 1527720Sgblack@eecs.umich.edu 0x1: jalr_hb({{ 1537792Sgblack@eecs.umich.edu Rd = NNPC; 1547792Sgblack@eecs.umich.edu NNPC = Rs; 1557720Sgblack@eecs.umich.edu }}, IsCall, ClearHazards); 1567720Sgblack@eecs.umich.edu default: jalr({{ 1577792Sgblack@eecs.umich.edu Rd = NNPC; 1587792Sgblack@eecs.umich.edu NNPC = Rs; 1597720Sgblack@eecs.umich.edu }}, IsCall); 1602101SN/A } 1612101SN/A } 1622042SN/A 1632101SN/A format BasicOp { 1642686Sksewell@umich.edu 0x2: movz({{ Rd = (Rt == 0) ? Rs : Rd; }}); 1652686Sksewell@umich.edu 0x3: movn({{ Rd = (Rt != 0) ? Rs : Rd; }}); 1665222Sksewell@umich.edu#if FULL_SYSTEM 1676384Sgblack@eecs.umich.edu 0x4: syscall({{ fault = new SystemCallFault(); }}); 1685222Sksewell@umich.edu#else 1692965Sksewell@umich.edu 0x4: syscall({{ xc->syscall(R2); }}, 1706037Sksewell@umich.edu IsSerializeAfter, IsNonSpeculative); 1715222Sksewell@umich.edu#endif 1722686Sksewell@umich.edu 0x7: sync({{ ; }}, IsMemBarrier); 1735222Sksewell@umich.edu 0x5: break({{fault = new BreakpointFault();}}); 1742101SN/A } 1752083SN/A 1762043SN/A } 1772025SN/A 1782043SN/A 0x2: decode FUNCTION_LO { 1796384Sgblack@eecs.umich.edu 0x0: HiLoRsSelOp::mfhi({{ Rd = HI_RS_SEL; }}, 1806384Sgblack@eecs.umich.edu IntMultOp, IsIprAccess); 1814661Sksewell@umich.edu 0x1: HiLoRdSelOp::mthi({{ HI_RD_SEL = Rs; }}); 1826384Sgblack@eecs.umich.edu 0x2: HiLoRsSelOp::mflo({{ Rd = LO_RS_SEL; }}, 1836384Sgblack@eecs.umich.edu IntMultOp, IsIprAccess); 1844661Sksewell@umich.edu 0x3: HiLoRdSelOp::mtlo({{ LO_RD_SEL = Rs; }}); 1852083SN/A } 1862025SN/A 1872043SN/A 0x3: decode FUNCTION_LO { 1884661Sksewell@umich.edu format HiLoRdSelValOp { 1895222Sksewell@umich.edu 0x0: mult({{ val = Rs.sd * Rt.sd; }}, IntMultOp); 1905222Sksewell@umich.edu 0x1: multu({{ val = Rs.ud * Rt.ud; }}, IntMultOp); 1914661Sksewell@umich.edu } 1924661Sksewell@umich.edu 1932686Sksewell@umich.edu format HiLoOp { 1946384Sgblack@eecs.umich.edu 0x2: div({{ 1956384Sgblack@eecs.umich.edu if (Rt.sd != 0) { 1966384Sgblack@eecs.umich.edu HI0 = Rs.sd % Rt.sd; 1976384Sgblack@eecs.umich.edu LO0 = Rs.sd / Rt.sd; 1986384Sgblack@eecs.umich.edu } 1995222Sksewell@umich.edu }}, IntDivOp); 2005222Sksewell@umich.edu 2016384Sgblack@eecs.umich.edu 0x3: divu({{ 2026384Sgblack@eecs.umich.edu if (Rt.ud != 0) { 2036384Sgblack@eecs.umich.edu HI0 = Rs.ud % Rt.ud; 2046384Sgblack@eecs.umich.edu LO0 = Rs.ud / Rt.ud; 2056384Sgblack@eecs.umich.edu } 2065222Sksewell@umich.edu }}, IntDivOp); 2072101SN/A } 2082084SN/A } 2092025SN/A 2102495SN/A 0x4: decode HINT { 2112495SN/A 0x0: decode FUNCTION_LO { 2122495SN/A format IntOp { 2136384Sgblack@eecs.umich.edu 0x0: add({{ 2146384Sgblack@eecs.umich.edu /* More complicated since an ADD can cause 2156384Sgblack@eecs.umich.edu an arithmetic overflow exception */ 2166384Sgblack@eecs.umich.edu int64_t Src1 = Rs.sw; 2176384Sgblack@eecs.umich.edu int64_t Src2 = Rt.sw; 2186384Sgblack@eecs.umich.edu int64_t temp_result; 2196384Sgblack@eecs.umich.edu#if FULL_SYSTEM 2206384Sgblack@eecs.umich.edu if (((Src1 >> 31) & 1) == 1) 2216384Sgblack@eecs.umich.edu Src1 |= 0x100000000LL; 2225222Sksewell@umich.edu#endif 2236384Sgblack@eecs.umich.edu temp_result = Src1 + Src2; 2246384Sgblack@eecs.umich.edu#if FULL_SYSTEM 2256384Sgblack@eecs.umich.edu if (bits(temp_result, 31) == 2266384Sgblack@eecs.umich.edu bits(temp_result, 32)) { 2275222Sksewell@umich.edu#endif 2286384Sgblack@eecs.umich.edu Rd.sw = temp_result; 2296384Sgblack@eecs.umich.edu#if FULL_SYSTEM 2306384Sgblack@eecs.umich.edu } else { 2316384Sgblack@eecs.umich.edu fault = new ArithmeticFault(); 2326384Sgblack@eecs.umich.edu } 2335222Sksewell@umich.edu#endif 2346384Sgblack@eecs.umich.edu }}); 2352495SN/A 0x1: addu({{ Rd.sw = Rs.sw + Rt.sw;}}); 2365222Sksewell@umich.edu 0x2: sub({{ 2376384Sgblack@eecs.umich.edu /* More complicated since an SUB can cause 2386384Sgblack@eecs.umich.edu an arithmetic overflow exception */ 2396384Sgblack@eecs.umich.edu int64_t Src1 = Rs.sw; 2406384Sgblack@eecs.umich.edu int64_t Src2 = Rt.sw; 2416384Sgblack@eecs.umich.edu int64_t temp_result = Src1 - Src2; 2425222Sksewell@umich.edu#if FULL_SYSTEM 2436384Sgblack@eecs.umich.edu if (bits(temp_result, 31) == 2446384Sgblack@eecs.umich.edu bits(temp_result, 32)) { 2455222Sksewell@umich.edu#endif 2466384Sgblack@eecs.umich.edu Rd.sw = temp_result; 2475222Sksewell@umich.edu#if FULL_SYSTEM 2486384Sgblack@eecs.umich.edu } else { 2496384Sgblack@eecs.umich.edu fault = new ArithmeticFault(); 2506384Sgblack@eecs.umich.edu } 2515222Sksewell@umich.edu#endif 2526384Sgblack@eecs.umich.edu }}); 2536384Sgblack@eecs.umich.edu 0x3: subu({{ Rd.sw = Rs.sw - Rt.sw; }}); 2546384Sgblack@eecs.umich.edu 0x4: and({{ Rd = Rs & Rt; }}); 2556384Sgblack@eecs.umich.edu 0x5: or({{ Rd = Rs | Rt; }}); 2566384Sgblack@eecs.umich.edu 0x6: xor({{ Rd = Rs ^ Rt; }}); 2576384Sgblack@eecs.umich.edu 0x7: nor({{ Rd = ~(Rs | Rt); }}); 2582495SN/A } 2592101SN/A } 2602043SN/A } 2612025SN/A 2622495SN/A 0x5: decode HINT { 2632495SN/A 0x0: decode FUNCTION_LO { 2642495SN/A format IntOp{ 2656384Sgblack@eecs.umich.edu 0x2: slt({{ Rd.sw = (Rs.sw < Rt.sw) ? 1 : 0 }}); 2666384Sgblack@eecs.umich.edu 0x3: sltu({{ Rd.uw = (Rs.uw < Rt.uw) ? 1 : 0 }}); 2672495SN/A } 2682101SN/A } 2692084SN/A } 2702024SN/A 2712043SN/A 0x6: decode FUNCTION_LO { 2722239SN/A format Trap { 2732239SN/A 0x0: tge({{ cond = (Rs.sw >= Rt.sw); }}); 2742101SN/A 0x1: tgeu({{ cond = (Rs.uw >= Rt.uw); }}); 2752101SN/A 0x2: tlt({{ cond = (Rs.sw < Rt.sw); }}); 2765222Sksewell@umich.edu 0x3: tltu({{ cond = (Rs.uw < Rt.uw); }}); 2772101SN/A 0x4: teq({{ cond = (Rs.sw == Rt.sw); }}); 2782101SN/A 0x6: tne({{ cond = (Rs.sw != Rt.sw); }}); 2792101SN/A } 2802043SN/A } 2812043SN/A } 2822025SN/A 2832043SN/A 0x1: decode REGIMM_HI { 2842043SN/A 0x0: decode REGIMM_LO { 2852101SN/A format Branch { 2862101SN/A 0x0: bltz({{ cond = (Rs.sw < 0); }}); 2872101SN/A 0x1: bgez({{ cond = (Rs.sw >= 0); }}); 2882686Sksewell@umich.edu 0x2: bltzl({{ cond = (Rs.sw < 0); }}, Likely); 2892686Sksewell@umich.edu 0x3: bgezl({{ cond = (Rs.sw >= 0); }}, Likely); 2902101SN/A } 2912043SN/A } 2922025SN/A 2932043SN/A 0x1: decode REGIMM_LO { 2945222Sksewell@umich.edu format TrapImm { 2955222Sksewell@umich.edu 0x0: tgei( {{ cond = (Rs.sw >= (int16_t)INTIMM); }}); 2966384Sgblack@eecs.umich.edu 0x1: tgeiu({{ 2976384Sgblack@eecs.umich.edu cond = (Rs.uw >= (uint32_t)(int32_t)(int16_t)INTIMM); 2986384Sgblack@eecs.umich.edu }}); 2995222Sksewell@umich.edu 0x2: tlti( {{ cond = (Rs.sw < (int16_t)INTIMM); }}); 3006384Sgblack@eecs.umich.edu 0x3: tltiu({{ 3016384Sgblack@eecs.umich.edu cond = (Rs.uw < (uint32_t)(int32_t)(int16_t)INTIMM); 3026384Sgblack@eecs.umich.edu }}); 3036384Sgblack@eecs.umich.edu 0x4: teqi( {{ cond = (Rs.sw == (int16_t)INTIMM); }}); 3046384Sgblack@eecs.umich.edu 0x6: tnei( {{ cond = (Rs.sw != (int16_t)INTIMM); }}); 3052101SN/A } 3062043SN/A } 3072043SN/A 3082043SN/A 0x2: decode REGIMM_LO { 3092101SN/A format Branch { 3102686Sksewell@umich.edu 0x0: bltzal({{ cond = (Rs.sw < 0); }}, Link); 3112686Sksewell@umich.edu 0x1: decode RS { 3122686Sksewell@umich.edu 0x0: bal ({{ cond = 1; }}, IsCall, Link); 3132686Sksewell@umich.edu default: bgezal({{ cond = (Rs.sw >= 0); }}, Link); 3142686Sksewell@umich.edu } 3152686Sksewell@umich.edu 0x2: bltzall({{ cond = (Rs.sw < 0); }}, Link, Likely); 3162686Sksewell@umich.edu 0x3: bgezall({{ cond = (Rs.sw >= 0); }}, Link, Likely); 3172101SN/A } 3182043SN/A } 3192043SN/A 3202043SN/A 0x3: decode REGIMM_LO { 3216384Sgblack@eecs.umich.edu // from Table 5-4 MIPS32 REGIMM Encoding of rt Field 3226384Sgblack@eecs.umich.edu // (DSP ASE MANUAL) 3234661Sksewell@umich.edu 0x4: DspBranch::bposge32({{ cond = (dspctl<5:0> >= 32); }}); 3242101SN/A format WarnUnimpl { 3252101SN/A 0x7: synci(); 3262101SN/A } 3272043SN/A } 3282043SN/A } 3292043SN/A 3302123SN/A format Jump { 3317792Sgblack@eecs.umich.edu 0x2: j({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2); }}); 3327792Sgblack@eecs.umich.edu 0x3: jal({{ NNPC = (NPC & 0xF0000000) | (JMPTARG << 2); }}, 3337792Sgblack@eecs.umich.edu IsCall, Link); 3342043SN/A } 3352043SN/A 3362100SN/A format Branch { 3372686Sksewell@umich.edu 0x4: decode RS_RT { 3382686Sksewell@umich.edu 0x0: b({{ cond = 1; }}); 3392686Sksewell@umich.edu default: beq({{ cond = (Rs.sw == Rt.sw); }}); 3402686Sksewell@umich.edu } 3412239SN/A 0x5: bne({{ cond = (Rs.sw != Rt.sw); }}); 3422686Sksewell@umich.edu 0x6: blez({{ cond = (Rs.sw <= 0); }}); 3432686Sksewell@umich.edu 0x7: bgtz({{ cond = (Rs.sw > 0); }}); 3442043SN/A } 3452084SN/A } 3462024SN/A 3472101SN/A 0x1: decode OPCODE_LO { 3482686Sksewell@umich.edu format IntImmOp { 3495222Sksewell@umich.edu 0x0: addi({{ 3506384Sgblack@eecs.umich.edu int64_t Src1 = Rs.sw; 3516384Sgblack@eecs.umich.edu int64_t Src2 = imm; 3526384Sgblack@eecs.umich.edu int64_t temp_result; 3535222Sksewell@umich.edu#if FULL_SYSTEM 3546384Sgblack@eecs.umich.edu if (((Src1 >> 31) & 1) == 1) 3556384Sgblack@eecs.umich.edu Src1 |= 0x100000000LL; 3565222Sksewell@umich.edu#endif 3576384Sgblack@eecs.umich.edu temp_result = Src1 + Src2; 3585222Sksewell@umich.edu#if FULL_SYSTEM 3596384Sgblack@eecs.umich.edu if (bits(temp_result, 31) == bits(temp_result, 32)) { 3605222Sksewell@umich.edu#endif 3616384Sgblack@eecs.umich.edu Rt.sw = temp_result; 3625222Sksewell@umich.edu#if FULL_SYSTEM 3636384Sgblack@eecs.umich.edu } else { 3646384Sgblack@eecs.umich.edu fault = new ArithmeticFault(); 3656384Sgblack@eecs.umich.edu } 3665222Sksewell@umich.edu#endif 3676384Sgblack@eecs.umich.edu }}); 3686384Sgblack@eecs.umich.edu 0x1: addiu({{ Rt.sw = Rs.sw + imm; }}); 3696384Sgblack@eecs.umich.edu 0x2: slti({{ Rt.sw = (Rs.sw < imm) ? 1 : 0 }}); 3704661Sksewell@umich.edu 3714661Sksewell@umich.edu //Edited to include MIPS AVP Pass/Fail instructions and 3724661Sksewell@umich.edu //default to the sltiu instruction 3734661Sksewell@umich.edu 0x3: decode RS_RT_INTIMM { 3746384Sgblack@eecs.umich.edu 0xabc1: BasicOp::fail({{ 3756384Sgblack@eecs.umich.edu exitSimLoop("AVP/SRVP Test Failed"); 3766384Sgblack@eecs.umich.edu }}); 3776384Sgblack@eecs.umich.edu 0xabc2: BasicOp::pass({{ 3786384Sgblack@eecs.umich.edu exitSimLoop("AVP/SRVP Test Passed"); 3796384Sgblack@eecs.umich.edu }}); 3806384Sgblack@eecs.umich.edu default: sltiu({{ 3816384Sgblack@eecs.umich.edu Rt.uw = (Rs.uw < (uint32_t)sextImm) ? 1 : 0; 3826384Sgblack@eecs.umich.edu }}); 3834661Sksewell@umich.edu } 3844661Sksewell@umich.edu 3856384Sgblack@eecs.umich.edu 0x4: andi({{ Rt.sw = Rs.sw & zextImm; }}); 3866384Sgblack@eecs.umich.edu 0x5: ori({{ Rt.sw = Rs.sw | zextImm; }}); 3876384Sgblack@eecs.umich.edu 0x6: xori({{ Rt.sw = Rs.sw ^ zextImm; }}); 3882495SN/A 3892495SN/A 0x7: decode RS { 3906384Sgblack@eecs.umich.edu 0x0: lui({{ Rt = imm << 16; }}); 3912495SN/A } 3922084SN/A } 3932084SN/A } 3942024SN/A 3952101SN/A 0x2: decode OPCODE_LO { 3962101SN/A //Table A-11 MIPS32 COP0 Encoding of rs Field 3972101SN/A 0x0: decode RS_MSB { 3982101SN/A 0x0: decode RS { 3996384Sgblack@eecs.umich.edu format CP0Control { 4006384Sgblack@eecs.umich.edu 0x0: mfc0({{ 4016384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 4026384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 4036384Sgblack@eecs.umich.edu Rt = CP0_RD_SEL; 4046384Sgblack@eecs.umich.edu /* Hack for PageMask */ 4056384Sgblack@eecs.umich.edu if (RD == 5) { 4066384Sgblack@eecs.umich.edu // PageMask 4076384Sgblack@eecs.umich.edu if (config3.sp == 0 || pageGrain.esp == 0) 4086384Sgblack@eecs.umich.edu Rt &= 0xFFFFE7FF; 4096384Sgblack@eecs.umich.edu } 4106384Sgblack@eecs.umich.edu }}); 4116384Sgblack@eecs.umich.edu 0x4: mtc0({{ 4126384Sgblack@eecs.umich.edu CP0_RD_SEL = Rt; 4136384Sgblack@eecs.umich.edu CauseReg cause = Cause; 4146384Sgblack@eecs.umich.edu IntCtlReg intCtl = IntCtl; 4156384Sgblack@eecs.umich.edu if (RD == 11) { 4166384Sgblack@eecs.umich.edu // Compare 4176384Sgblack@eecs.umich.edu if (cause.ti == 1) { 4186384Sgblack@eecs.umich.edu cause.ti = 0; 4196384Sgblack@eecs.umich.edu int offset = 10; // corresponding to cause.ip0 4206384Sgblack@eecs.umich.edu offset += intCtl.ipti - 2; 4216384Sgblack@eecs.umich.edu replaceBits(cause, offset, offset, 0); 4226384Sgblack@eecs.umich.edu } 4236384Sgblack@eecs.umich.edu } 4246384Sgblack@eecs.umich.edu Cause = cause; 4256384Sgblack@eecs.umich.edu }}); 4266384Sgblack@eecs.umich.edu } 4276384Sgblack@eecs.umich.edu format CP0Unimpl { 4286384Sgblack@eecs.umich.edu 0x1: dmfc0(); 4296384Sgblack@eecs.umich.edu 0x5: dmtc0(); 4306384Sgblack@eecs.umich.edu default: unknown(); 4316384Sgblack@eecs.umich.edu } 4326384Sgblack@eecs.umich.edu format MT_MFTR { 4336384Sgblack@eecs.umich.edu // Decode MIPS MT MFTR instruction into sub-instructions 4344661Sksewell@umich.edu 0x8: decode MT_U { 4356376Sgblack@eecs.umich.edu 0x0: mftc0({{ 4366376Sgblack@eecs.umich.edu data = xc->readRegOtherThread((RT << 3 | SEL) + 4376376Sgblack@eecs.umich.edu Ctrl_Base_DepTag); 4386376Sgblack@eecs.umich.edu }}); 4394661Sksewell@umich.edu 0x1: decode SEL { 4406384Sgblack@eecs.umich.edu 0x0: mftgpr({{ 4416384Sgblack@eecs.umich.edu data = xc->readRegOtherThread(RT); 4426384Sgblack@eecs.umich.edu }}); 4434661Sksewell@umich.edu 0x1: decode RT { 4446383Sgblack@eecs.umich.edu 0x0: mftlo_dsp0({{ data = xc->readRegOtherThread(INTREG_DSP_LO0); }}); 4456383Sgblack@eecs.umich.edu 0x1: mfthi_dsp0({{ data = xc->readRegOtherThread(INTREG_DSP_HI0); }}); 4466383Sgblack@eecs.umich.edu 0x2: mftacx_dsp0({{ data = xc->readRegOtherThread(INTREG_DSP_ACX0); }}); 4476383Sgblack@eecs.umich.edu 0x4: mftlo_dsp1({{ data = xc->readRegOtherThread(INTREG_DSP_LO1); }}); 4486383Sgblack@eecs.umich.edu 0x5: mfthi_dsp1({{ data = xc->readRegOtherThread(INTREG_DSP_HI1); }}); 4496383Sgblack@eecs.umich.edu 0x6: mftacx_dsp1({{ data = xc->readRegOtherThread(INTREG_DSP_ACX1); }}); 4506383Sgblack@eecs.umich.edu 0x8: mftlo_dsp2({{ data = xc->readRegOtherThread(INTREG_DSP_LO2); }}); 4516383Sgblack@eecs.umich.edu 0x9: mfthi_dsp2({{ data = xc->readRegOtherThread(INTREG_DSP_HI2); }}); 4526383Sgblack@eecs.umich.edu 0x10: mftacx_dsp2({{ data = xc->readRegOtherThread(INTREG_DSP_ACX2); }}); 4536383Sgblack@eecs.umich.edu 0x12: mftlo_dsp3({{ data = xc->readRegOtherThread(INTREG_DSP_LO3); }}); 4546383Sgblack@eecs.umich.edu 0x13: mfthi_dsp3({{ data = xc->readRegOtherThread(INTREG_DSP_HI3); }}); 4556383Sgblack@eecs.umich.edu 0x14: mftacx_dsp3({{ data = xc->readRegOtherThread(INTREG_DSP_ACX3); }}); 4566383Sgblack@eecs.umich.edu 0x16: mftdsp({{ data = xc->readRegOtherThread(INTREG_DSP_CONTROL); }}); 4576384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 4582686Sksewell@umich.edu } 4594661Sksewell@umich.edu 0x2: decode MT_H { 4604661Sksewell@umich.edu 0x0: mftc1({{ data = xc->readRegOtherThread(RT + 4614661Sksewell@umich.edu FP_Base_DepTag); 4626384Sgblack@eecs.umich.edu }}); 4634661Sksewell@umich.edu 0x1: mfthc1({{ data = xc->readRegOtherThread(RT + 4644661Sksewell@umich.edu FP_Base_DepTag); 4656384Sgblack@eecs.umich.edu }}); 4666384Sgblack@eecs.umich.edu } 4676384Sgblack@eecs.umich.edu 0x3: cftc1({{ 4686384Sgblack@eecs.umich.edu uint32_t fcsr_val = xc->readRegOtherThread(FLOATREG_FCSR + 4694661Sksewell@umich.edu FP_Base_DepTag); 4706384Sgblack@eecs.umich.edu switch (RT) { 4716384Sgblack@eecs.umich.edu case 0: 4726384Sgblack@eecs.umich.edu data = xc->readRegOtherThread(FLOATREG_FIR + 4736384Sgblack@eecs.umich.edu Ctrl_Base_DepTag); 4746384Sgblack@eecs.umich.edu break; 4756384Sgblack@eecs.umich.edu case 25: 4766384Sgblack@eecs.umich.edu data = (fcsr_val & 0xFE000000 >> 24) | 4776384Sgblack@eecs.umich.edu (fcsr_val & 0x00800000 >> 23); 4786384Sgblack@eecs.umich.edu break; 4796384Sgblack@eecs.umich.edu case 26: 4806384Sgblack@eecs.umich.edu data = fcsr_val & 0x0003F07C; 4816384Sgblack@eecs.umich.edu break; 4826384Sgblack@eecs.umich.edu case 28: 4836384Sgblack@eecs.umich.edu data = (fcsr_val & 0x00000F80) | 4846384Sgblack@eecs.umich.edu (fcsr_val & 0x01000000 >> 21) | 4856384Sgblack@eecs.umich.edu (fcsr_val & 0x00000003); 4866384Sgblack@eecs.umich.edu break; 4876384Sgblack@eecs.umich.edu case 31: 4886384Sgblack@eecs.umich.edu data = fcsr_val; 4896384Sgblack@eecs.umich.edu break; 4906384Sgblack@eecs.umich.edu default: 4916384Sgblack@eecs.umich.edu fatal("FP Control Value (%d) Not Valid"); 4926384Sgblack@eecs.umich.edu } 4936384Sgblack@eecs.umich.edu }}); 4946384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 4952101SN/A } 4966384Sgblack@eecs.umich.edu } 4972686Sksewell@umich.edu } 4982027SN/A 4996384Sgblack@eecs.umich.edu format MT_MTTR { 5006384Sgblack@eecs.umich.edu // Decode MIPS MT MTTR instruction into sub-instructions 5014661Sksewell@umich.edu 0xC: decode MT_U { 5024661Sksewell@umich.edu 0x0: mttc0({{ xc->setRegOtherThread((RD << 3 | SEL) + Ctrl_Base_DepTag, 5034661Sksewell@umich.edu Rt); 5044661Sksewell@umich.edu }}); 5054661Sksewell@umich.edu 0x1: decode SEL { 5064661Sksewell@umich.edu 0x0: mttgpr({{ xc->setRegOtherThread(RD, Rt); }}); 5074661Sksewell@umich.edu 0x1: decode RT { 5086383Sgblack@eecs.umich.edu 0x0: mttlo_dsp0({{ xc->setRegOtherThread(INTREG_DSP_LO0, Rt); 5094661Sksewell@umich.edu }}); 5106383Sgblack@eecs.umich.edu 0x1: mtthi_dsp0({{ xc->setRegOtherThread(INTREG_DSP_HI0, 5114661Sksewell@umich.edu Rt); 5124661Sksewell@umich.edu }}); 5136383Sgblack@eecs.umich.edu 0x2: mttacx_dsp0({{ xc->setRegOtherThread(INTREG_DSP_ACX0, 5144661Sksewell@umich.edu Rt); 5154661Sksewell@umich.edu }}); 5166383Sgblack@eecs.umich.edu 0x4: mttlo_dsp1({{ xc->setRegOtherThread(INTREG_DSP_LO1, 5174661Sksewell@umich.edu Rt); 5184661Sksewell@umich.edu }}); 5196383Sgblack@eecs.umich.edu 0x5: mtthi_dsp1({{ xc->setRegOtherThread(INTREG_DSP_HI1, 5204661Sksewell@umich.edu Rt); 5214661Sksewell@umich.edu }}); 5226383Sgblack@eecs.umich.edu 0x6: mttacx_dsp1({{ xc->setRegOtherThread(INTREG_DSP_ACX1, 5234661Sksewell@umich.edu Rt); 5244661Sksewell@umich.edu }}); 5256383Sgblack@eecs.umich.edu 0x8: mttlo_dsp2({{ xc->setRegOtherThread(INTREG_DSP_LO2, 5264661Sksewell@umich.edu Rt); 5274661Sksewell@umich.edu }}); 5286383Sgblack@eecs.umich.edu 0x9: mtthi_dsp2({{ xc->setRegOtherThread(INTREG_DSP_HI2, 5294661Sksewell@umich.edu Rt); 5304661Sksewell@umich.edu }}); 5316383Sgblack@eecs.umich.edu 0x10: mttacx_dsp2({{ xc->setRegOtherThread(INTREG_DSP_ACX2, 5324661Sksewell@umich.edu Rt); 5334661Sksewell@umich.edu }}); 5346383Sgblack@eecs.umich.edu 0x12: mttlo_dsp3({{ xc->setRegOtherThread(INTREG_DSP_LO3, 5354661Sksewell@umich.edu Rt); 5364661Sksewell@umich.edu }}); 5376383Sgblack@eecs.umich.edu 0x13: mtthi_dsp3({{ xc->setRegOtherThread(INTREG_DSP_HI3, 5384661Sksewell@umich.edu Rt); 5394661Sksewell@umich.edu }}); 5406383Sgblack@eecs.umich.edu 0x14: mttacx_dsp3({{ xc->setRegOtherThread(INTREG_DSP_ACX3, Rt); 5414661Sksewell@umich.edu }}); 5426383Sgblack@eecs.umich.edu 0x16: mttdsp({{ xc->setRegOtherThread(INTREG_DSP_CONTROL, Rt); }}); 5436384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 5445222Sksewell@umich.edu 5454661Sksewell@umich.edu } 5466384Sgblack@eecs.umich.edu 0x2: mttc1({{ 5476384Sgblack@eecs.umich.edu uint64_t data = xc->readRegOtherThread(RD + 5486384Sgblack@eecs.umich.edu FP_Base_DepTag); 5496384Sgblack@eecs.umich.edu data = insertBits(data, top_bit, 5506384Sgblack@eecs.umich.edu bottom_bit, Rt); 5516384Sgblack@eecs.umich.edu xc->setRegOtherThread(RD + FP_Base_DepTag, 5526384Sgblack@eecs.umich.edu data); 5536384Sgblack@eecs.umich.edu }}); 5546384Sgblack@eecs.umich.edu 0x3: cttc1({{ 5556384Sgblack@eecs.umich.edu uint32_t data; 5566384Sgblack@eecs.umich.edu switch (RD) { 5576384Sgblack@eecs.umich.edu case 25: 5586384Sgblack@eecs.umich.edu data = (Rt.uw<7:1> << 25) | // move 31-25 5596384Sgblack@eecs.umich.edu (FCSR & 0x01000000) | // bit 24 5606384Sgblack@eecs.umich.edu (FCSR & 0x004FFFFF); // bit 22-0 5616384Sgblack@eecs.umich.edu break; 5626384Sgblack@eecs.umich.edu case 26: 5636384Sgblack@eecs.umich.edu data = (FCSR & 0xFFFC0000) | // move 31-18 5646384Sgblack@eecs.umich.edu Rt.uw<17:12> << 12 | // bit 17-12 5656384Sgblack@eecs.umich.edu (FCSR & 0x00000F80) << 7 | // bit 11-7 5666384Sgblack@eecs.umich.edu Rt.uw<6:2> << 2 | // bit 6-2 5676384Sgblack@eecs.umich.edu (FCSR & 0x00000002); // bit 1...0 5686384Sgblack@eecs.umich.edu break; 5696384Sgblack@eecs.umich.edu case 28: 5706384Sgblack@eecs.umich.edu data = (FCSR & 0xFE000000) | // move 31-25 5716384Sgblack@eecs.umich.edu Rt.uw<2:2> << 24 | // bit 24 5726384Sgblack@eecs.umich.edu (FCSR & 0x00FFF000) << 23 | // bit 23-12 5736384Sgblack@eecs.umich.edu Rt.uw<11:7> << 7 | // bit 24 5746384Sgblack@eecs.umich.edu (FCSR & 0x000007E) | 5756384Sgblack@eecs.umich.edu Rt.uw<1:0>; // bit 22-0 5766384Sgblack@eecs.umich.edu break; 5776384Sgblack@eecs.umich.edu case 31: 5786384Sgblack@eecs.umich.edu data = Rt.uw; 5796384Sgblack@eecs.umich.edu break; 5806384Sgblack@eecs.umich.edu default: 5816384Sgblack@eecs.umich.edu panic("FP Control Value (%d) " 5826384Sgblack@eecs.umich.edu "Not Available. Ignoring " 5836384Sgblack@eecs.umich.edu "Access to Floating Control " 5846384Sgblack@eecs.umich.edu "Status Register", FS); 5856384Sgblack@eecs.umich.edu } 5866384Sgblack@eecs.umich.edu xc->setRegOtherThread(FLOATREG_FCSR + FP_Base_DepTag, data); 5876384Sgblack@eecs.umich.edu }}); 5886384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 5894661Sksewell@umich.edu } 5904661Sksewell@umich.edu } 5912101SN/A } 5924661Sksewell@umich.edu 0xB: decode RD { 5934661Sksewell@umich.edu format MT_Control { 5944661Sksewell@umich.edu 0x0: decode POS { 5954661Sksewell@umich.edu 0x0: decode SEL { 5964661Sksewell@umich.edu 0x1: decode SC { 5976376Sgblack@eecs.umich.edu 0x0: dvpe({{ 5986376Sgblack@eecs.umich.edu MVPControlReg mvpControl = MVPControl; 5996376Sgblack@eecs.umich.edu VPEConf0Reg vpeConf0 = VPEConf0; 6006376Sgblack@eecs.umich.edu Rt = MVPControl; 6016376Sgblack@eecs.umich.edu if (vpeConf0.mvp == 1) 6026376Sgblack@eecs.umich.edu mvpControl.evp = 0; 6036376Sgblack@eecs.umich.edu MVPControl = mvpControl; 6046376Sgblack@eecs.umich.edu }}); 6056376Sgblack@eecs.umich.edu 0x1: evpe({{ 6066376Sgblack@eecs.umich.edu MVPControlReg mvpControl = MVPControl; 6076376Sgblack@eecs.umich.edu VPEConf0Reg vpeConf0 = VPEConf0; 6086376Sgblack@eecs.umich.edu Rt = MVPControl; 6096376Sgblack@eecs.umich.edu if (vpeConf0.mvp == 1) 6106376Sgblack@eecs.umich.edu mvpControl.evp = 1; 6116376Sgblack@eecs.umich.edu MVPControl = mvpControl; 6126376Sgblack@eecs.umich.edu }}); 6135222Sksewell@umich.edu default:CP0Unimpl::unknown(); 6144661Sksewell@umich.edu } 6156384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6164661Sksewell@umich.edu } 6176384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6186384Sgblack@eecs.umich.edu } 6194661Sksewell@umich.edu 0x1: decode POS { 6204661Sksewell@umich.edu 0xF: decode SEL { 6214661Sksewell@umich.edu 0x1: decode SC { 6226376Sgblack@eecs.umich.edu 0x0: dmt({{ 6236376Sgblack@eecs.umich.edu VPEControlReg vpeControl = VPEControl; 6246376Sgblack@eecs.umich.edu Rt = vpeControl; 6256376Sgblack@eecs.umich.edu vpeControl.te = 0; 6266376Sgblack@eecs.umich.edu VPEControl = vpeControl; 6276376Sgblack@eecs.umich.edu }}); 6286376Sgblack@eecs.umich.edu 0x1: emt({{ 6296376Sgblack@eecs.umich.edu VPEControlReg vpeControl = VPEControl; 6306376Sgblack@eecs.umich.edu Rt = vpeControl; 6316376Sgblack@eecs.umich.edu vpeControl.te = 1; 6326376Sgblack@eecs.umich.edu VPEControl = vpeControl; 6336376Sgblack@eecs.umich.edu }}); 6345222Sksewell@umich.edu default:CP0Unimpl::unknown(); 6354661Sksewell@umich.edu } 6366384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6374661Sksewell@umich.edu } 6385222Sksewell@umich.edu default:CP0Unimpl::unknown(); 6394661Sksewell@umich.edu } 6404661Sksewell@umich.edu } 6414661Sksewell@umich.edu 0xC: decode POS { 6426384Sgblack@eecs.umich.edu 0x0: decode SC { 6436384Sgblack@eecs.umich.edu 0x0: CP0Control::di({{ 6446384Sgblack@eecs.umich.edu StatusReg status = Status; 6456384Sgblack@eecs.umich.edu ConfigReg config = Config; 6466384Sgblack@eecs.umich.edu // Rev 2.0 or beyond? 6476384Sgblack@eecs.umich.edu if (config.ar >= 1) { 6486384Sgblack@eecs.umich.edu Rt = status; 6496384Sgblack@eecs.umich.edu status.ie = 0; 6506384Sgblack@eecs.umich.edu } else { 6516384Sgblack@eecs.umich.edu // Enable this else branch once we 6526384Sgblack@eecs.umich.edu // actually set values for Config on init 6536384Sgblack@eecs.umich.edu fault = new ReservedInstructionFault(); 6546384Sgblack@eecs.umich.edu } 6556384Sgblack@eecs.umich.edu Status = status; 6566384Sgblack@eecs.umich.edu }}); 6576384Sgblack@eecs.umich.edu 0x1: CP0Control::ei({{ 6586384Sgblack@eecs.umich.edu StatusReg status = Status; 6596384Sgblack@eecs.umich.edu ConfigReg config = Config; 6606384Sgblack@eecs.umich.edu if (config.ar >= 1) { 6616384Sgblack@eecs.umich.edu Rt = status; 6626384Sgblack@eecs.umich.edu status.ie = 1; 6636384Sgblack@eecs.umich.edu } else { 6646384Sgblack@eecs.umich.edu fault = new ReservedInstructionFault(); 6656384Sgblack@eecs.umich.edu } 6666384Sgblack@eecs.umich.edu }}); 6676384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6686384Sgblack@eecs.umich.edu } 6694661Sksewell@umich.edu } 6706384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 6714661Sksewell@umich.edu } 6724661Sksewell@umich.edu format CP0Control { 6734661Sksewell@umich.edu 0xA: rdpgpr({{ 6746376Sgblack@eecs.umich.edu ConfigReg config = Config; 6756376Sgblack@eecs.umich.edu if (config.ar >= 1) { 6766376Sgblack@eecs.umich.edu // Rev 2 of the architecture 6776376Sgblack@eecs.umich.edu panic("Shadow Sets Not Fully Implemented.\n"); 6786376Sgblack@eecs.umich.edu } else { 6794661Sksewell@umich.edu fault = new ReservedInstructionFault(); 6804661Sksewell@umich.edu } 6816376Sgblack@eecs.umich.edu }}); 6824661Sksewell@umich.edu 0xE: wrpgpr({{ 6836376Sgblack@eecs.umich.edu ConfigReg config = Config; 6846376Sgblack@eecs.umich.edu if (config.ar >= 1) { 6856376Sgblack@eecs.umich.edu // Rev 2 of the architecture 6866376Sgblack@eecs.umich.edu panic("Shadow Sets Not Fully Implemented.\n"); 6876376Sgblack@eecs.umich.edu } else { 6886376Sgblack@eecs.umich.edu fault = new ReservedInstructionFault(); 6894661Sksewell@umich.edu } 6906376Sgblack@eecs.umich.edu }}); 6914661Sksewell@umich.edu } 6926384Sgblack@eecs.umich.edu } 6932101SN/A 6942101SN/A //Table A-12 MIPS32 COP0 Encoding of Function Field When rs=CO 6952101SN/A 0x1: decode FUNCTION { 6966384Sgblack@eecs.umich.edu format CP0Control { 6976384Sgblack@eecs.umich.edu 0x18: eret({{ 6986384Sgblack@eecs.umich.edu StatusReg status = Status; 6996384Sgblack@eecs.umich.edu ConfigReg config = Config; 7006384Sgblack@eecs.umich.edu SRSCtlReg srsCtl = SRSCtl; 7016384Sgblack@eecs.umich.edu DPRINTF(MipsPRA,"Restoring PC - %x\n",EPC); 7026384Sgblack@eecs.umich.edu if (status.erl == 1) { 7036384Sgblack@eecs.umich.edu status.erl = 0; 7047792Sgblack@eecs.umich.edu NPC = ErrorEPC; 7056384Sgblack@eecs.umich.edu // Need to adjust NNPC, otherwise things break 7067792Sgblack@eecs.umich.edu NNPC = ErrorEPC + sizeof(MachInst); 7076384Sgblack@eecs.umich.edu } else { 7087792Sgblack@eecs.umich.edu NPC = EPC; 7096384Sgblack@eecs.umich.edu // Need to adjust NNPC, otherwise things break 7107792Sgblack@eecs.umich.edu NNPC = EPC + sizeof(MachInst); 7116384Sgblack@eecs.umich.edu status.exl = 0; 7126384Sgblack@eecs.umich.edu if (config.ar >=1 && 7136384Sgblack@eecs.umich.edu srsCtl.hss > 0 && 7146384Sgblack@eecs.umich.edu status.bev == 0) { 7156384Sgblack@eecs.umich.edu srsCtl.css = srsCtl.pss; 7166384Sgblack@eecs.umich.edu //xc->setShadowSet(srsCtl.pss); 7176384Sgblack@eecs.umich.edu } 7186376Sgblack@eecs.umich.edu } 7196384Sgblack@eecs.umich.edu LLFlag = 0; 7206384Sgblack@eecs.umich.edu Status = status; 7216384Sgblack@eecs.umich.edu SRSCtl = srsCtl; 7226384Sgblack@eecs.umich.edu }}, IsReturn, IsSerializing, IsERET); 7235222Sksewell@umich.edu 7246384Sgblack@eecs.umich.edu 0x1F: deret({{ 7256384Sgblack@eecs.umich.edu DebugReg debug = Debug; 7266384Sgblack@eecs.umich.edu if (debug.dm == 1) { 7276384Sgblack@eecs.umich.edu debug.dm = 1; 7286384Sgblack@eecs.umich.edu debug.iexi = 0; 7297792Sgblack@eecs.umich.edu NPC = DEPC; 7306384Sgblack@eecs.umich.edu } else { 7317792Sgblack@eecs.umich.edu NPC = NPC; 7326384Sgblack@eecs.umich.edu // Undefined; 7336384Sgblack@eecs.umich.edu } 7346384Sgblack@eecs.umich.edu Debug = debug; 7356384Sgblack@eecs.umich.edu }}, IsReturn, IsSerializing, IsERET); 7366384Sgblack@eecs.umich.edu } 7376384Sgblack@eecs.umich.edu format CP0TLB { 7386384Sgblack@eecs.umich.edu 0x01: tlbr({{ 7396384Sgblack@eecs.umich.edu MipsISA::PTE *PTEntry = 7406384Sgblack@eecs.umich.edu xc->tcBase()->getITBPtr()-> 7416384Sgblack@eecs.umich.edu getEntry(Index & 0x7FFFFFFF); 7426384Sgblack@eecs.umich.edu if (PTEntry == NULL) { 7436384Sgblack@eecs.umich.edu fatal("Invalid PTE Entry received on " 7446384Sgblack@eecs.umich.edu "a TLBR instruction\n"); 7456384Sgblack@eecs.umich.edu } 7466384Sgblack@eecs.umich.edu /* Setup PageMask */ 7476384Sgblack@eecs.umich.edu // If 1KB pages are not enabled, a read of PageMask 7486384Sgblack@eecs.umich.edu // must return 0b00 in bits 12, 11 7496384Sgblack@eecs.umich.edu PageMask = (PTEntry->Mask << 11); 7506384Sgblack@eecs.umich.edu /* Setup EntryHi */ 7516384Sgblack@eecs.umich.edu EntryHi = ((PTEntry->VPN << 11) | (PTEntry->asid)); 7526384Sgblack@eecs.umich.edu /* Setup Entry Lo0 */ 7536384Sgblack@eecs.umich.edu EntryLo0 = ((PTEntry->PFN0 << 6) | 7546384Sgblack@eecs.umich.edu (PTEntry->C0 << 3) | 7556384Sgblack@eecs.umich.edu (PTEntry->D0 << 2) | 7566384Sgblack@eecs.umich.edu (PTEntry->V0 << 1) | 7576384Sgblack@eecs.umich.edu PTEntry->G); 7586384Sgblack@eecs.umich.edu /* Setup Entry Lo1 */ 7596384Sgblack@eecs.umich.edu EntryLo1 = ((PTEntry->PFN1 << 6) | 7606384Sgblack@eecs.umich.edu (PTEntry->C1 << 3) | 7616384Sgblack@eecs.umich.edu (PTEntry->D1 << 2) | 7626384Sgblack@eecs.umich.edu (PTEntry->V1 << 1) | 7636384Sgblack@eecs.umich.edu PTEntry->G); 7646384Sgblack@eecs.umich.edu }}); // Need to hook up to TLB 7655222Sksewell@umich.edu 7666384Sgblack@eecs.umich.edu 0x02: tlbwi({{ 7676384Sgblack@eecs.umich.edu //Create PTE 7686384Sgblack@eecs.umich.edu MipsISA::PTE newEntry; 7696384Sgblack@eecs.umich.edu //Write PTE 7706384Sgblack@eecs.umich.edu newEntry.Mask = (Addr)(PageMask >> 11); 7716384Sgblack@eecs.umich.edu newEntry.VPN = (Addr)(EntryHi >> 11); 7726384Sgblack@eecs.umich.edu /* PageGrain _ ESP Config3 _ SP */ 7736384Sgblack@eecs.umich.edu if (bits(PageGrain, 28) == 0 || bits(Config3, 4) ==0) { 7746384Sgblack@eecs.umich.edu // If 1KB pages are *NOT* enabled, lowest bits of 7756384Sgblack@eecs.umich.edu // the mask are 0b11 for TLB writes 7766384Sgblack@eecs.umich.edu newEntry.Mask |= 0x3; 7776384Sgblack@eecs.umich.edu // Reset bits 0 and 1 if 1KB pages are not enabled 7786384Sgblack@eecs.umich.edu newEntry.VPN &= 0xFFFFFFFC; 7796384Sgblack@eecs.umich.edu } 7806384Sgblack@eecs.umich.edu newEntry.asid = (uint8_t)(EntryHi & 0xFF); 7815222Sksewell@umich.edu 7826384Sgblack@eecs.umich.edu newEntry.PFN0 = (Addr)(EntryLo0 >> 6); 7836384Sgblack@eecs.umich.edu newEntry.PFN1 = (Addr)(EntryLo1 >> 6); 7846384Sgblack@eecs.umich.edu newEntry.D0 = (bool)((EntryLo0 >> 2) & 1); 7856384Sgblack@eecs.umich.edu newEntry.D1 = (bool)((EntryLo1 >> 2) & 1); 7866384Sgblack@eecs.umich.edu newEntry.V1 = (bool)((EntryLo1 >> 1) & 1); 7876384Sgblack@eecs.umich.edu newEntry.V0 = (bool)((EntryLo0 >> 1) & 1); 7886384Sgblack@eecs.umich.edu newEntry.G = (bool)((EntryLo0 & EntryLo1) & 1); 7896384Sgblack@eecs.umich.edu newEntry.C0 = (uint8_t)((EntryLo0 >> 3) & 0x7); 7906384Sgblack@eecs.umich.edu newEntry.C1 = (uint8_t)((EntryLo1 >> 3) & 0x7); 7916384Sgblack@eecs.umich.edu /* Now, compute the AddrShiftAmount and OffsetMask - 7926384Sgblack@eecs.umich.edu TLB optimizations */ 7936384Sgblack@eecs.umich.edu /* Addr Shift Amount for 1KB or larger pages */ 7946384Sgblack@eecs.umich.edu if ((newEntry.Mask & 0xFFFF) == 3) { 7956384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 12; 7966384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFF) == 0x0000) { 7976384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 10; 7986384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFC) == 0x000C) { 7996384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 14; 8006384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFF0) == 0x0030) { 8016384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 16; 8026384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFC0) == 0x00C0) { 8036384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 18; 8046384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFF00) == 0x0300) { 8056384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 20; 8066384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFC00) == 0x0C00) { 8076384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 22; 8086384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xF000) == 0x3000) { 8096384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 24; 8106384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xC000) == 0xC000) { 8116384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 26; 8126384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0x30000) == 0x30000) { 8136384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 28; 8146384Sgblack@eecs.umich.edu } else { 8156384Sgblack@eecs.umich.edu fatal("Invalid Mask Pattern Detected!\n"); 8166384Sgblack@eecs.umich.edu } 8176384Sgblack@eecs.umich.edu newEntry.OffsetMask = 8186384Sgblack@eecs.umich.edu (1 << newEntry.AddrShiftAmount) - 1; 8195222Sksewell@umich.edu 8206384Sgblack@eecs.umich.edu MipsISA::TLB *Ptr = xc->tcBase()->getITBPtr(); 8216384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 8226384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 8236384Sgblack@eecs.umich.edu int SP = 0; 8246384Sgblack@eecs.umich.edu if (bits(config3, config3.sp) == 1 && 8256384Sgblack@eecs.umich.edu bits(pageGrain, pageGrain.esp) == 1) { 8266384Sgblack@eecs.umich.edu SP = 1; 8276384Sgblack@eecs.umich.edu } 8286384Sgblack@eecs.umich.edu IndexReg index = Index; 8296384Sgblack@eecs.umich.edu Ptr->insertAt(newEntry, Index & 0x7FFFFFFF, SP); 8306384Sgblack@eecs.umich.edu }}); 8316384Sgblack@eecs.umich.edu 0x06: tlbwr({{ 8326384Sgblack@eecs.umich.edu //Create PTE 8336384Sgblack@eecs.umich.edu MipsISA::PTE newEntry; 8346384Sgblack@eecs.umich.edu //Write PTE 8356384Sgblack@eecs.umich.edu newEntry.Mask = (Addr)(PageMask >> 11); 8366384Sgblack@eecs.umich.edu newEntry.VPN = (Addr)(EntryHi >> 11); 8376384Sgblack@eecs.umich.edu /* PageGrain _ ESP Config3 _ SP */ 8386384Sgblack@eecs.umich.edu if (bits(PageGrain, 28) == 0 || 8396384Sgblack@eecs.umich.edu bits(Config3, 4) == 0) { 8406384Sgblack@eecs.umich.edu // If 1KB pages are *NOT* enabled, lowest bits of 8416384Sgblack@eecs.umich.edu // the mask are 0b11 for TLB writes 8426384Sgblack@eecs.umich.edu newEntry.Mask |= 0x3; 8436384Sgblack@eecs.umich.edu // Reset bits 0 and 1 if 1KB pages are not enabled 8446384Sgblack@eecs.umich.edu newEntry.VPN &= 0xFFFFFFFC; 8456384Sgblack@eecs.umich.edu } 8466384Sgblack@eecs.umich.edu newEntry.asid = (uint8_t)(EntryHi & 0xFF); 8475222Sksewell@umich.edu 8486384Sgblack@eecs.umich.edu newEntry.PFN0 = (Addr)(EntryLo0 >> 6); 8496384Sgblack@eecs.umich.edu newEntry.PFN1 = (Addr)(EntryLo1 >> 6); 8506384Sgblack@eecs.umich.edu newEntry.D0 = (bool)((EntryLo0 >> 2) & 1); 8516384Sgblack@eecs.umich.edu newEntry.D1 = (bool)((EntryLo1 >> 2) & 1); 8526384Sgblack@eecs.umich.edu newEntry.V1 = (bool)((EntryLo1 >> 1) & 1); 8536384Sgblack@eecs.umich.edu newEntry.V0 = (bool)((EntryLo0 >> 1) & 1); 8546384Sgblack@eecs.umich.edu newEntry.G = (bool)((EntryLo0 & EntryLo1) & 1); 8556384Sgblack@eecs.umich.edu newEntry.C0 = (uint8_t)((EntryLo0 >> 3) & 0x7); 8566384Sgblack@eecs.umich.edu newEntry.C1 = (uint8_t)((EntryLo1 >> 3) & 0x7); 8576384Sgblack@eecs.umich.edu /* Now, compute the AddrShiftAmount and OffsetMask - 8586384Sgblack@eecs.umich.edu TLB optimizations */ 8596384Sgblack@eecs.umich.edu /* Addr Shift Amount for 1KB or larger pages */ 8606384Sgblack@eecs.umich.edu if ((newEntry.Mask & 0xFFFF) == 3){ 8616384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 12; 8626384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFF) == 0x0000) { 8636384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 10; 8646384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFC) == 0x000C) { 8656384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 14; 8666384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFF0) == 0x0030) { 8676384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 16; 8686384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFC0) == 0x00C0) { 8696384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 18; 8706384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFF00) == 0x0300) { 8716384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 20; 8726384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFC00) == 0x0C00) { 8736384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 22; 8746384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xF000) == 0x3000) { 8756384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 24; 8766384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xC000) == 0xC000) { 8776384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 26; 8786384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0x30000) == 0x30000) { 8796384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 28; 8806384Sgblack@eecs.umich.edu } else { 8816384Sgblack@eecs.umich.edu fatal("Invalid Mask Pattern Detected!\n"); 8826384Sgblack@eecs.umich.edu } 8836384Sgblack@eecs.umich.edu newEntry.OffsetMask = 8846384Sgblack@eecs.umich.edu (1 << newEntry.AddrShiftAmount) - 1; 8855222Sksewell@umich.edu 8866384Sgblack@eecs.umich.edu MipsISA::TLB *Ptr = xc->tcBase()->getITBPtr(); 8876384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 8886384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 8896384Sgblack@eecs.umich.edu int SP = 0; 8906384Sgblack@eecs.umich.edu if (bits(config3, config3.sp) == 1 && 8916384Sgblack@eecs.umich.edu bits(pageGrain, pageGrain.esp) == 1) { 8926384Sgblack@eecs.umich.edu SP = 1; 8936384Sgblack@eecs.umich.edu } 8946384Sgblack@eecs.umich.edu IndexReg index = Index; 8956384Sgblack@eecs.umich.edu Ptr->insertAt(newEntry, Random, SP); 8966384Sgblack@eecs.umich.edu }}); 8972101SN/A 8986384Sgblack@eecs.umich.edu 0x08: tlbp({{ 8996384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 9006384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 9016384Sgblack@eecs.umich.edu EntryHiReg entryHi = EntryHi; 9026384Sgblack@eecs.umich.edu int tlbIndex; 9036384Sgblack@eecs.umich.edu Addr vpn; 9046384Sgblack@eecs.umich.edu if (pageGrain.esp == 1 && config3.sp ==1) { 9056384Sgblack@eecs.umich.edu vpn = EntryHi >> 11; 9066384Sgblack@eecs.umich.edu } else { 9076384Sgblack@eecs.umich.edu // Mask off lower 2 bits 9086384Sgblack@eecs.umich.edu vpn = ((EntryHi >> 11) & 0xFFFFFFFC); 9096384Sgblack@eecs.umich.edu } 9106384Sgblack@eecs.umich.edu tlbIndex = xc->tcBase()->getITBPtr()-> 9116385Sgblack@eecs.umich.edu probeEntry(vpn, entryHi.asid); 9126384Sgblack@eecs.umich.edu // Check TLB for entry matching EntryHi 9136384Sgblack@eecs.umich.edu if (tlbIndex != -1) { 9146384Sgblack@eecs.umich.edu Index = tlbIndex; 9156384Sgblack@eecs.umich.edu } else { 9166384Sgblack@eecs.umich.edu // else, set Index = 1 << 31 9176384Sgblack@eecs.umich.edu Index = (1 << 31); 9186384Sgblack@eecs.umich.edu } 9196384Sgblack@eecs.umich.edu }}); 9206384Sgblack@eecs.umich.edu } 9216384Sgblack@eecs.umich.edu format CP0Unimpl { 9226384Sgblack@eecs.umich.edu 0x20: wait(); 9236384Sgblack@eecs.umich.edu } 9246384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 9252101SN/A } 9262043SN/A } 9272027SN/A 9282101SN/A //Table A-13 MIPS32 COP1 Encoding of rs Field 9292101SN/A 0x1: decode RS_MSB { 9302101SN/A 0x0: decode RS_HI { 9312101SN/A 0x0: decode RS_LO { 9322686Sksewell@umich.edu format CP1Control { 9332742Sksewell@umich.edu 0x0: mfc1 ({{ Rt.uw = Fs.uw; }}); 9342495SN/A 9352495SN/A 0x2: cfc1({{ 9366384Sgblack@eecs.umich.edu switch (FS) { 9372573SN/A case 0: 9382616SN/A Rt = FIR; 9392573SN/A break; 9402573SN/A case 25: 9416384Sgblack@eecs.umich.edu Rt = (FCSR & 0xFE000000) >> 24 | 9426384Sgblack@eecs.umich.edu (FCSR & 0x00800000) >> 23; 9432573SN/A break; 9442573SN/A case 26: 9456384Sgblack@eecs.umich.edu Rt = (FCSR & 0x0003F07C); 9462573SN/A break; 9472573SN/A case 28: 9486384Sgblack@eecs.umich.edu Rt = (FCSR & 0x00000F80) | 9496384Sgblack@eecs.umich.edu (FCSR & 0x01000000) >> 21 | 9506384Sgblack@eecs.umich.edu (FCSR & 0x00000003); 9512573SN/A break; 9522573SN/A case 31: 9532616SN/A Rt = FCSR; 9542573SN/A break; 9552573SN/A default: 9565222Sksewell@umich.edu warn("FP Control Value (%d) Not Valid"); 9572573SN/A } 9582573SN/A }}); 9592573SN/A 9606384Sgblack@eecs.umich.edu 0x3: mfhc1({{ Rt.uw = Fs.ud<63:32>; }}); 9612686Sksewell@umich.edu 9626384Sgblack@eecs.umich.edu 0x4: mtc1({{ Fs.uw = Rt.uw; }}); 9632686Sksewell@umich.edu 9642573SN/A 0x6: ctc1({{ 9656384Sgblack@eecs.umich.edu switch (FS) { 9662573SN/A case 25: 9676384Sgblack@eecs.umich.edu FCSR = (Rt.uw<7:1> << 25) | // move 31-25 9686384Sgblack@eecs.umich.edu (FCSR & 0x01000000) | // bit 24 9696384Sgblack@eecs.umich.edu (FCSR & 0x004FFFFF); // bit 22-0 9702573SN/A break; 9712573SN/A case 26: 9726384Sgblack@eecs.umich.edu FCSR = (FCSR & 0xFFFC0000) | // move 31-18 9736384Sgblack@eecs.umich.edu Rt.uw<17:12> << 12 | // bit 17-12 9746384Sgblack@eecs.umich.edu (FCSR & 0x00000F80) << 7 | // bit 11-7 9756384Sgblack@eecs.umich.edu Rt.uw<6:2> << 2 | // bit 6-2 9766384Sgblack@eecs.umich.edu (FCSR & 0x00000002); // bit 1-0 9772573SN/A break; 9782573SN/A case 28: 9796384Sgblack@eecs.umich.edu FCSR = (FCSR & 0xFE000000) | // move 31-25 9806384Sgblack@eecs.umich.edu Rt.uw<2:2> << 24 | // bit 24 9816384Sgblack@eecs.umich.edu (FCSR & 0x00FFF000) << 23 | // bit 23-12 9826384Sgblack@eecs.umich.edu Rt.uw<11:7> << 7 | // bit 24 9836384Sgblack@eecs.umich.edu (FCSR & 0x000007E) | 9846384Sgblack@eecs.umich.edu Rt.uw<1:0>; // bit 22-0 9852573SN/A break; 9862573SN/A case 31: 9876384Sgblack@eecs.umich.edu FCSR = Rt.uw; 9882573SN/A break; 9892573SN/A 9902573SN/A default: 9916384Sgblack@eecs.umich.edu panic("FP Control Value (%d) " 9926384Sgblack@eecs.umich.edu "Not Available. Ignoring Access " 9936384Sgblack@eecs.umich.edu "to Floating Control Status " 9946384Sgblack@eecs.umich.edu "Register", FS); 9952495SN/A } 9962495SN/A }}); 9972686Sksewell@umich.edu 9982686Sksewell@umich.edu 0x7: mthc1({{ 9992686Sksewell@umich.edu uint64_t fs_hi = Rt.uw; 10002686Sksewell@umich.edu uint64_t fs_lo = Fs.ud & 0x0FFFFFFFF; 10012686Sksewell@umich.edu Fs.ud = (fs_hi << 32) | fs_lo; 10022686Sksewell@umich.edu }}); 10032686Sksewell@umich.edu 10042101SN/A } 10055222Sksewell@umich.edu format CP1Unimpl { 10065222Sksewell@umich.edu 0x1: dmfc1(); 10075222Sksewell@umich.edu 0x5: dmtc1(); 10085222Sksewell@umich.edu } 10096384Sgblack@eecs.umich.edu } 10102025SN/A 10116384Sgblack@eecs.umich.edu 0x1: decode RS_LO { 10126384Sgblack@eecs.umich.edu 0x0: decode ND { 10136384Sgblack@eecs.umich.edu format Branch { 10146384Sgblack@eecs.umich.edu 0x0: decode TF { 10156384Sgblack@eecs.umich.edu 0x0: bc1f({{ 10166384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 0; 10176384Sgblack@eecs.umich.edu }}); 10186384Sgblack@eecs.umich.edu 0x1: bc1t({{ 10196384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 1; 10206384Sgblack@eecs.umich.edu }}); 10216384Sgblack@eecs.umich.edu } 10226384Sgblack@eecs.umich.edu 0x1: decode TF { 10236384Sgblack@eecs.umich.edu 0x0: bc1fl({{ 10246384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 0; 10256384Sgblack@eecs.umich.edu }}, Likely); 10266384Sgblack@eecs.umich.edu 0x1: bc1tl({{ 10276384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 1; 10286384Sgblack@eecs.umich.edu }}, Likely); 10296384Sgblack@eecs.umich.edu } 10306384Sgblack@eecs.umich.edu } 10316384Sgblack@eecs.umich.edu } 10326384Sgblack@eecs.umich.edu format CP1Unimpl { 10336384Sgblack@eecs.umich.edu 0x1: bc1any2(); 10346384Sgblack@eecs.umich.edu 0x2: bc1any4(); 10356384Sgblack@eecs.umich.edu default: unknown(); 10366384Sgblack@eecs.umich.edu } 10376384Sgblack@eecs.umich.edu } 10382043SN/A } 10392027SN/A 10402101SN/A 0x1: decode RS_HI { 10412101SN/A 0x2: decode RS_LO { 10426384Sgblack@eecs.umich.edu //Table A-14 MIPS32 COP1 Encoding of Function Field When 10436384Sgblack@eecs.umich.edu //rs=S (( single-precision floating point)) 10442572SN/A 0x0: decode FUNCTION_HI { 10452572SN/A 0x0: decode FUNCTION_LO { 10462101SN/A format FloatOp { 10476384Sgblack@eecs.umich.edu 0x0: add_s({{ Fd.sf = Fs.sf + Ft.sf; }}); 10486384Sgblack@eecs.umich.edu 0x1: sub_s({{ Fd.sf = Fs.sf - Ft.sf; }}); 10496384Sgblack@eecs.umich.edu 0x2: mul_s({{ Fd.sf = Fs.sf * Ft.sf; }}); 10506384Sgblack@eecs.umich.edu 0x3: div_s({{ Fd.sf = Fs.sf / Ft.sf; }}); 10516384Sgblack@eecs.umich.edu 0x4: sqrt_s({{ Fd.sf = sqrt(Fs.sf); }}); 10526384Sgblack@eecs.umich.edu 0x5: abs_s({{ Fd.sf = fabs(Fs.sf); }}); 10536384Sgblack@eecs.umich.edu 0x7: neg_s({{ Fd.sf = -Fs.sf; }}); 10542101SN/A } 10556384Sgblack@eecs.umich.edu 0x6: BasicOp::mov_s({{ Fd.sf = Fs.sf; }}); 10562101SN/A } 10572572SN/A 0x1: decode FUNCTION_LO { 10582686Sksewell@umich.edu format FloatConvertOp { 10596384Sgblack@eecs.umich.edu 0x0: round_l_s({{ val = Fs.sf; }}, 10606384Sgblack@eecs.umich.edu ToLong, Round); 10616384Sgblack@eecs.umich.edu 0x1: trunc_l_s({{ val = Fs.sf; }}, 10626384Sgblack@eecs.umich.edu ToLong, Trunc); 10636384Sgblack@eecs.umich.edu 0x2: ceil_l_s({{ val = Fs.sf;}}, 10646384Sgblack@eecs.umich.edu ToLong, Ceil); 10656384Sgblack@eecs.umich.edu 0x3: floor_l_s({{ val = Fs.sf; }}, 10666384Sgblack@eecs.umich.edu ToLong, Floor); 10676384Sgblack@eecs.umich.edu 0x4: round_w_s({{ val = Fs.sf; }}, 10686384Sgblack@eecs.umich.edu ToWord, Round); 10696384Sgblack@eecs.umich.edu 0x5: trunc_w_s({{ val = Fs.sf; }}, 10706384Sgblack@eecs.umich.edu ToWord, Trunc); 10716384Sgblack@eecs.umich.edu 0x6: ceil_w_s({{ val = Fs.sf; }}, 10726384Sgblack@eecs.umich.edu ToWord, Ceil); 10736384Sgblack@eecs.umich.edu 0x7: floor_w_s({{ val = Fs.sf; }}, 10746384Sgblack@eecs.umich.edu ToWord, Floor); 10752101SN/A } 10762101SN/A } 10772027SN/A 10782572SN/A 0x2: decode FUNCTION_LO { 10792101SN/A 0x1: decode MOVCF { 10802686Sksewell@umich.edu format BasicOp { 10816384Sgblack@eecs.umich.edu 0x0: movf_s({{ 10826384Sgblack@eecs.umich.edu Fd = (getCondCode(FCSR,CC) == 0) ? 10836384Sgblack@eecs.umich.edu Fs : Fd; 10846384Sgblack@eecs.umich.edu }}); 10856384Sgblack@eecs.umich.edu 0x1: movt_s({{ 10866384Sgblack@eecs.umich.edu Fd = (getCondCode(FCSR,CC) == 1) ? 10876384Sgblack@eecs.umich.edu Fs : Fd; 10886384Sgblack@eecs.umich.edu }}); 10892101SN/A } 10902101SN/A } 10912027SN/A 10922686Sksewell@umich.edu format BasicOp { 10932686Sksewell@umich.edu 0x2: movz_s({{ Fd = (Rt == 0) ? Fs : Fd; }}); 10942686Sksewell@umich.edu 0x3: movn_s({{ Fd = (Rt != 0) ? Fs : Fd; }}); 10952686Sksewell@umich.edu } 10962686Sksewell@umich.edu 10972602SN/A format FloatOp { 10982602SN/A 0x5: recip_s({{ Fd = 1 / Fs; }}); 10996384Sgblack@eecs.umich.edu 0x6: rsqrt_s({{ Fd = 1 / sqrt(Fs); }}); 11002101SN/A } 11015222Sksewell@umich.edu format CP1Unimpl { 11026384Sgblack@eecs.umich.edu default: unknown(); 11035222Sksewell@umich.edu } 11042101SN/A } 11055222Sksewell@umich.edu 0x3: CP1Unimpl::unknown(); 11062027SN/A 11072572SN/A 0x4: decode FUNCTION_LO { 11082603SN/A format FloatConvertOp { 11092686Sksewell@umich.edu 0x1: cvt_d_s({{ val = Fs.sf; }}, ToDouble); 11102686Sksewell@umich.edu 0x4: cvt_w_s({{ val = Fs.sf; }}, ToWord); 11112686Sksewell@umich.edu 0x5: cvt_l_s({{ val = Fs.sf; }}, ToLong); 11122101SN/A } 11132055SN/A 11142686Sksewell@umich.edu 0x6: FloatOp::cvt_ps_s({{ 11156384Sgblack@eecs.umich.edu Fd.ud = (uint64_t) Fs.uw << 32 | 11166384Sgblack@eecs.umich.edu (uint64_t) Ft.uw; 11176384Sgblack@eecs.umich.edu }}); 11185222Sksewell@umich.edu format CP1Unimpl { 11196384Sgblack@eecs.umich.edu default: unknown(); 11205222Sksewell@umich.edu } 11212101SN/A } 11225222Sksewell@umich.edu 0x5: CP1Unimpl::unknown(); 11232602SN/A 11242602SN/A 0x6: decode FUNCTION_LO { 11252603SN/A format FloatCompareOp { 11266384Sgblack@eecs.umich.edu 0x0: c_f_s({{ cond = 0; }}, 11276384Sgblack@eecs.umich.edu SinglePrecision, UnorderedFalse); 11286384Sgblack@eecs.umich.edu 0x1: c_un_s({{ cond = 0; }}, 11296384Sgblack@eecs.umich.edu SinglePrecision, UnorderedTrue); 11302686Sksewell@umich.edu 0x2: c_eq_s({{ cond = (Fs.sf == Ft.sf); }}, 11312686Sksewell@umich.edu UnorderedFalse); 11322686Sksewell@umich.edu 0x3: c_ueq_s({{ cond = (Fs.sf == Ft.sf); }}, 11332686Sksewell@umich.edu UnorderedTrue); 11347799Sgblack@eecs.umich.edu 0x4: c_olt_s({{ cond = (Fs.sf < Ft.sf); }}, 11352686Sksewell@umich.edu UnorderedFalse); 11362686Sksewell@umich.edu 0x5: c_ult_s({{ cond = (Fs.sf < Ft.sf); }}, 11372686Sksewell@umich.edu UnorderedTrue); 11382686Sksewell@umich.edu 0x6: c_ole_s({{ cond = (Fs.sf <= Ft.sf); }}, 11392686Sksewell@umich.edu UnorderedFalse); 11402686Sksewell@umich.edu 0x7: c_ule_s({{ cond = (Fs.sf <= Ft.sf); }}, 11412686Sksewell@umich.edu UnorderedTrue); 11422602SN/A } 11432602SN/A } 11442602SN/A 11452602SN/A 0x7: decode FUNCTION_LO { 11462686Sksewell@umich.edu format FloatCompareOp { 11472686Sksewell@umich.edu 0x0: c_sf_s({{ cond = 0; }}, SinglePrecision, 11482686Sksewell@umich.edu UnorderedFalse, QnanException); 11492686Sksewell@umich.edu 0x1: c_ngle_s({{ cond = 0; }}, SinglePrecision, 11502686Sksewell@umich.edu UnorderedTrue, QnanException); 11516384Sgblack@eecs.umich.edu 0x2: c_seq_s({{ cond = (Fs.sf == Ft.sf); }}, 11522686Sksewell@umich.edu UnorderedFalse, QnanException); 11532686Sksewell@umich.edu 0x3: c_ngl_s({{ cond = (Fs.sf == Ft.sf); }}, 11542686Sksewell@umich.edu UnorderedTrue, QnanException); 11552686Sksewell@umich.edu 0x4: c_lt_s({{ cond = (Fs.sf < Ft.sf); }}, 11562686Sksewell@umich.edu UnorderedFalse, QnanException); 11572686Sksewell@umich.edu 0x5: c_nge_s({{ cond = (Fs.sf < Ft.sf); }}, 11582686Sksewell@umich.edu UnorderedTrue, QnanException); 11592686Sksewell@umich.edu 0x6: c_le_s({{ cond = (Fs.sf <= Ft.sf); }}, 11602686Sksewell@umich.edu UnorderedFalse, QnanException); 11612686Sksewell@umich.edu 0x7: c_ngt_s({{ cond = (Fs.sf <= Ft.sf); }}, 11622686Sksewell@umich.edu UnorderedTrue, QnanException); 11632602SN/A } 11642602SN/A } 11652101SN/A } 11662055SN/A 11676384Sgblack@eecs.umich.edu //Table A-15 MIPS32 COP1 Encoding of Function Field When 11686384Sgblack@eecs.umich.edu //rs=D 11692572SN/A 0x1: decode FUNCTION_HI { 11702572SN/A 0x0: decode FUNCTION_LO { 11712101SN/A format FloatOp { 11722686Sksewell@umich.edu 0x0: add_d({{ Fd.df = Fs.df + Ft.df; }}); 11732686Sksewell@umich.edu 0x1: sub_d({{ Fd.df = Fs.df - Ft.df; }}); 11742686Sksewell@umich.edu 0x2: mul_d({{ Fd.df = Fs.df * Ft.df; }}); 11752686Sksewell@umich.edu 0x3: div_d({{ Fd.df = Fs.df / Ft.df; }}); 11766384Sgblack@eecs.umich.edu 0x4: sqrt_d({{ Fd.df = sqrt(Fs.df); }}); 11776384Sgblack@eecs.umich.edu 0x5: abs_d({{ Fd.df = fabs(Fs.df); }}); 11786384Sgblack@eecs.umich.edu 0x7: neg_d({{ Fd.df = -1 * Fs.df; }}); 11792101SN/A } 11806384Sgblack@eecs.umich.edu 0x6: BasicOp::mov_d({{ Fd.df = Fs.df; }}); 11812101SN/A } 11822027SN/A 11832572SN/A 0x1: decode FUNCTION_LO { 11842686Sksewell@umich.edu format FloatConvertOp { 11856384Sgblack@eecs.umich.edu 0x0: round_l_d({{ val = Fs.df; }}, 11866384Sgblack@eecs.umich.edu ToLong, Round); 11876384Sgblack@eecs.umich.edu 0x1: trunc_l_d({{ val = Fs.df; }}, 11886384Sgblack@eecs.umich.edu ToLong, Trunc); 11896384Sgblack@eecs.umich.edu 0x2: ceil_l_d({{ val = Fs.df; }}, 11906384Sgblack@eecs.umich.edu ToLong, Ceil); 11916384Sgblack@eecs.umich.edu 0x3: floor_l_d({{ val = Fs.df; }}, 11926384Sgblack@eecs.umich.edu ToLong, Floor); 11936384Sgblack@eecs.umich.edu 0x4: round_w_d({{ val = Fs.df; }}, 11946384Sgblack@eecs.umich.edu ToWord, Round); 11956384Sgblack@eecs.umich.edu 0x5: trunc_w_d({{ val = Fs.df; }}, 11966384Sgblack@eecs.umich.edu ToWord, Trunc); 11976384Sgblack@eecs.umich.edu 0x6: ceil_w_d({{ val = Fs.df; }}, 11986384Sgblack@eecs.umich.edu ToWord, Ceil); 11996384Sgblack@eecs.umich.edu 0x7: floor_w_d({{ val = Fs.df; }}, 12006384Sgblack@eecs.umich.edu ToWord, Floor); 12012101SN/A } 12022101SN/A } 12032027SN/A 12042572SN/A 0x2: decode FUNCTION_LO { 12052101SN/A 0x1: decode MOVCF { 12062686Sksewell@umich.edu format BasicOp { 12076384Sgblack@eecs.umich.edu 0x0: movf_d({{ 12086384Sgblack@eecs.umich.edu Fd.df = (getCondCode(FCSR,CC) == 0) ? 12092686Sksewell@umich.edu Fs.df : Fd.df; 12106384Sgblack@eecs.umich.edu }}); 12116384Sgblack@eecs.umich.edu 0x1: movt_d({{ 12126384Sgblack@eecs.umich.edu Fd.df = (getCondCode(FCSR,CC) == 1) ? 12132686Sksewell@umich.edu Fs.df : Fd.df; 12146384Sgblack@eecs.umich.edu }}); 12152101SN/A } 12162101SN/A } 12172027SN/A 12182101SN/A format BasicOp { 12196384Sgblack@eecs.umich.edu 0x2: movz_d({{ 12206384Sgblack@eecs.umich.edu Fd.df = (Rt == 0) ? Fs.df : Fd.df; 12216384Sgblack@eecs.umich.edu }}); 12226384Sgblack@eecs.umich.edu 0x3: movn_d({{ 12236384Sgblack@eecs.umich.edu Fd.df = (Rt != 0) ? Fs.df : Fd.df; 12246384Sgblack@eecs.umich.edu }}); 12252101SN/A } 12262027SN/A 12272605SN/A format FloatOp { 12286384Sgblack@eecs.umich.edu 0x5: recip_d({{ Fd.df = 1 / Fs.df; }}); 12296384Sgblack@eecs.umich.edu 0x6: rsqrt_d({{ Fd.df = 1 / sqrt(Fs.df); }}); 12302101SN/A } 12315222Sksewell@umich.edu format CP1Unimpl { 12326384Sgblack@eecs.umich.edu default: unknown(); 12335222Sksewell@umich.edu } 12345222Sksewell@umich.edu 12352101SN/A } 12362572SN/A 0x4: decode FUNCTION_LO { 12372686Sksewell@umich.edu format FloatConvertOp { 12382686Sksewell@umich.edu 0x0: cvt_s_d({{ val = Fs.df; }}, ToSingle); 12392686Sksewell@umich.edu 0x4: cvt_w_d({{ val = Fs.df; }}, ToWord); 12402686Sksewell@umich.edu 0x5: cvt_l_d({{ val = Fs.df; }}, ToLong); 12412101SN/A } 12426384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 12432101SN/A } 12442602SN/A 12452602SN/A 0x6: decode FUNCTION_LO { 12462604SN/A format FloatCompareOp { 12476384Sgblack@eecs.umich.edu 0x0: c_f_d({{ cond = 0; }}, 12486384Sgblack@eecs.umich.edu DoublePrecision, UnorderedFalse); 12496384Sgblack@eecs.umich.edu 0x1: c_un_d({{ cond = 0; }}, 12506384Sgblack@eecs.umich.edu DoublePrecision, UnorderedTrue); 12512686Sksewell@umich.edu 0x2: c_eq_d({{ cond = (Fs.df == Ft.df); }}, 12522686Sksewell@umich.edu UnorderedFalse); 12532686Sksewell@umich.edu 0x3: c_ueq_d({{ cond = (Fs.df == Ft.df); }}, 12542686Sksewell@umich.edu UnorderedTrue); 12557799Sgblack@eecs.umich.edu 0x4: c_olt_d({{ cond = (Fs.df < Ft.df); }}, 12562686Sksewell@umich.edu UnorderedFalse); 12572686Sksewell@umich.edu 0x5: c_ult_d({{ cond = (Fs.df < Ft.df); }}, 12582686Sksewell@umich.edu UnorderedTrue); 12592686Sksewell@umich.edu 0x6: c_ole_d({{ cond = (Fs.df <= Ft.df); }}, 12602686Sksewell@umich.edu UnorderedFalse); 12612686Sksewell@umich.edu 0x7: c_ule_d({{ cond = (Fs.df <= Ft.df); }}, 12622686Sksewell@umich.edu UnorderedTrue); 12632602SN/A } 12642602SN/A } 12652602SN/A 12662602SN/A 0x7: decode FUNCTION_LO { 12672686Sksewell@umich.edu format FloatCompareOp { 12682686Sksewell@umich.edu 0x0: c_sf_d({{ cond = 0; }}, DoublePrecision, 12692686Sksewell@umich.edu UnorderedFalse, QnanException); 12702686Sksewell@umich.edu 0x1: c_ngle_d({{ cond = 0; }}, DoublePrecision, 12712686Sksewell@umich.edu UnorderedTrue, QnanException); 12722686Sksewell@umich.edu 0x2: c_seq_d({{ cond = (Fs.df == Ft.df); }}, 12732686Sksewell@umich.edu UnorderedFalse, QnanException); 12742686Sksewell@umich.edu 0x3: c_ngl_d({{ cond = (Fs.df == Ft.df); }}, 12752686Sksewell@umich.edu UnorderedTrue, QnanException); 12762686Sksewell@umich.edu 0x4: c_lt_d({{ cond = (Fs.df < Ft.df); }}, 12772686Sksewell@umich.edu UnorderedFalse, QnanException); 12782686Sksewell@umich.edu 0x5: c_nge_d({{ cond = (Fs.df < Ft.df); }}, 12792686Sksewell@umich.edu UnorderedTrue, QnanException); 12802686Sksewell@umich.edu 0x6: c_le_d({{ cond = (Fs.df <= Ft.df); }}, 12812686Sksewell@umich.edu UnorderedFalse, QnanException); 12822686Sksewell@umich.edu 0x7: c_ngt_d({{ cond = (Fs.df <= Ft.df); }}, 12832686Sksewell@umich.edu UnorderedTrue, QnanException); 12842602SN/A } 12852602SN/A } 12866384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 12872101SN/A } 12885222Sksewell@umich.edu 0x2: CP1Unimpl::unknown(); 12895222Sksewell@umich.edu 0x3: CP1Unimpl::unknown(); 12905222Sksewell@umich.edu 0x7: CP1Unimpl::unknown(); 12912027SN/A 12926384Sgblack@eecs.umich.edu //Table A-16 MIPS32 COP1 Encoding of Function 12936384Sgblack@eecs.umich.edu //Field When rs=W 12942101SN/A 0x4: decode FUNCTION { 12952605SN/A format FloatConvertOp { 12962686Sksewell@umich.edu 0x20: cvt_s_w({{ val = Fs.uw; }}, ToSingle); 12972686Sksewell@umich.edu 0x21: cvt_d_w({{ val = Fs.uw; }}, ToDouble); 12985222Sksewell@umich.edu 0x26: CP1Unimpl::cvt_ps_w(); 12992101SN/A } 13006384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13012101SN/A } 13022027SN/A 13036384Sgblack@eecs.umich.edu //Table A-16 MIPS32 COP1 Encoding of Function Field 13046384Sgblack@eecs.umich.edu //When rs=L1 13056384Sgblack@eecs.umich.edu //Note: "1. Format type L is legal only if 64-bit 13066384Sgblack@eecs.umich.edu //floating point operations are enabled." 13072101SN/A 0x5: decode FUNCTION_HI { 13082686Sksewell@umich.edu format FloatConvertOp { 13092686Sksewell@umich.edu 0x20: cvt_s_l({{ val = Fs.ud; }}, ToSingle); 13102686Sksewell@umich.edu 0x21: cvt_d_l({{ val = Fs.ud; }}, ToDouble); 13115222Sksewell@umich.edu 0x26: CP1Unimpl::cvt_ps_l(); 13122101SN/A } 13136384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13142101SN/A } 13152101SN/A 13166384Sgblack@eecs.umich.edu //Table A-17 MIPS64 COP1 Encoding of Function Field 13176384Sgblack@eecs.umich.edu //When rs=PS1 13186384Sgblack@eecs.umich.edu //Note: "1. Format type PS is legal only if 64-bit 13196384Sgblack@eecs.umich.edu //floating point operations are enabled. " 13202572SN/A 0x6: decode FUNCTION_HI { 13212572SN/A 0x0: decode FUNCTION_LO { 13222101SN/A format Float64Op { 13232605SN/A 0x0: add_ps({{ 13242607SN/A Fd1.sf = Fs1.sf + Ft2.sf; 13252607SN/A Fd2.sf = Fs2.sf + Ft2.sf; 13262101SN/A }}); 13272605SN/A 0x1: sub_ps({{ 13282607SN/A Fd1.sf = Fs1.sf - Ft2.sf; 13292607SN/A Fd2.sf = Fs2.sf - Ft2.sf; 13302101SN/A }}); 13312605SN/A 0x2: mul_ps({{ 13322607SN/A Fd1.sf = Fs1.sf * Ft2.sf; 13332607SN/A Fd2.sf = Fs2.sf * Ft2.sf; 13342101SN/A }}); 13352605SN/A 0x5: abs_ps({{ 13362607SN/A Fd1.sf = fabs(Fs1.sf); 13372607SN/A Fd2.sf = fabs(Fs2.sf); 13382101SN/A }}); 13392605SN/A 0x6: mov_ps({{ 13402607SN/A Fd1.sf = Fs1.sf; 13412607SN/A Fd2.sf = Fs2.sf; 13422101SN/A }}); 13432605SN/A 0x7: neg_ps({{ 13442686Sksewell@umich.edu Fd1.sf = -(Fs1.sf); 13452686Sksewell@umich.edu Fd2.sf = -(Fs2.sf); 13462101SN/A }}); 13476384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13482101SN/A } 13492101SN/A } 13505222Sksewell@umich.edu 0x1: CP1Unimpl::unknown(); 13512572SN/A 0x2: decode FUNCTION_LO { 13522101SN/A 0x1: decode MOVCF { 13532101SN/A format Float64Op { 13542607SN/A 0x0: movf_ps({{ 13552686Sksewell@umich.edu Fd1 = (getCondCode(FCSR, CC) == 0) ? 13562686Sksewell@umich.edu Fs1 : Fd1; 13572686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC+1) == 0) ? 13582686Sksewell@umich.edu Fs2 : Fd2; 13592607SN/A }}); 13602607SN/A 0x1: movt_ps({{ 13612686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC) == 1) ? 13622686Sksewell@umich.edu Fs1 : Fd1; 13632686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC+1) == 1) ? 13642686Sksewell@umich.edu Fs2 : Fd2; 13652607SN/A }}); 13662101SN/A } 13672101SN/A } 13682101SN/A 13692605SN/A format Float64Op { 13702607SN/A 0x2: movz_ps({{ 13712686Sksewell@umich.edu Fd1 = (getCondCode(FCSR, CC) == 0) ? 13722686Sksewell@umich.edu Fs1 : Fd1; 13732686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC) == 0) ? 13742686Sksewell@umich.edu Fs2 : Fd2; 13752607SN/A }}); 13762607SN/A 0x3: movn_ps({{ 13772686Sksewell@umich.edu Fd1 = (getCondCode(FCSR, CC) == 1) ? 13782686Sksewell@umich.edu Fs1 : Fd1; 13792686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC) == 1) ? 13802686Sksewell@umich.edu Fs2 : Fd2; 13812607SN/A }}); 13822135SN/A } 13836384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13842101SN/A } 13855222Sksewell@umich.edu 0x3: CP1Unimpl::unknown(); 13862572SN/A 0x4: decode FUNCTION_LO { 13872686Sksewell@umich.edu 0x0: FloatOp::cvt_s_pu({{ Fd.sf = Fs2.sf; }}); 13885222Sksewell@umich.edu default: CP1Unimpl::unknown(); 13892101SN/A } 13902101SN/A 13912572SN/A 0x5: decode FUNCTION_LO { 13922686Sksewell@umich.edu 0x0: FloatOp::cvt_s_pl({{ Fd.sf = Fs1.sf; }}); 13932101SN/A format Float64Op { 13946384Sgblack@eecs.umich.edu 0x4: pll({{ 13956384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs1.uw << 32 | Ft1.uw; 13966384Sgblack@eecs.umich.edu }}); 13976384Sgblack@eecs.umich.edu 0x5: plu({{ 13986384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs1.uw << 32 | Ft2.uw; 13996384Sgblack@eecs.umich.edu }}); 14006384Sgblack@eecs.umich.edu 0x6: pul({{ 14016384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs2.uw << 32 | Ft1.uw; 14026384Sgblack@eecs.umich.edu }}); 14036384Sgblack@eecs.umich.edu 0x7: puu({{ 14046384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs2.uw << 32 | Ft2.uw; 14056384Sgblack@eecs.umich.edu }}); 14062101SN/A } 14075222Sksewell@umich.edu default: CP1Unimpl::unknown(); 14082101SN/A } 14092602SN/A 14102602SN/A 0x6: decode FUNCTION_LO { 14112608SN/A format FloatPSCompareOp { 14122686Sksewell@umich.edu 0x0: c_f_ps({{ cond1 = 0; }}, {{ cond2 = 0; }}, 14132686Sksewell@umich.edu UnorderedFalse); 14142686Sksewell@umich.edu 0x1: c_un_ps({{ cond1 = 0; }}, {{ cond2 = 0; }}, 14152686Sksewell@umich.edu UnorderedTrue); 14162686Sksewell@umich.edu 0x2: c_eq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14172686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14182686Sksewell@umich.edu UnorderedFalse); 14192686Sksewell@umich.edu 0x3: c_ueq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14202686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14212686Sksewell@umich.edu UnorderedTrue); 14222686Sksewell@umich.edu 0x4: c_olt_ps({{ cond1 = (Fs1.sf < Ft1.sf); }}, 14232686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14242686Sksewell@umich.edu UnorderedFalse); 14252686Sksewell@umich.edu 0x5: c_ult_ps({{ cond1 = (Fs.sf < Ft.sf); }}, 14262686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14272686Sksewell@umich.edu UnorderedTrue); 14282686Sksewell@umich.edu 0x6: c_ole_ps({{ cond1 = (Fs.sf <= Ft.sf); }}, 14292686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14302686Sksewell@umich.edu UnorderedFalse); 14312686Sksewell@umich.edu 0x7: c_ule_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }}, 14322686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14332686Sksewell@umich.edu UnorderedTrue); 14342602SN/A } 14352602SN/A } 14362602SN/A 14372602SN/A 0x7: decode FUNCTION_LO { 14382686Sksewell@umich.edu format FloatPSCompareOp { 14392686Sksewell@umich.edu 0x0: c_sf_ps({{ cond1 = 0; }}, {{ cond2 = 0; }}, 14402686Sksewell@umich.edu UnorderedFalse, QnanException); 14412686Sksewell@umich.edu 0x1: c_ngle_ps({{ cond1 = 0; }}, 14422686Sksewell@umich.edu {{ cond2 = 0; }}, 14432686Sksewell@umich.edu UnorderedTrue, QnanException); 14442686Sksewell@umich.edu 0x2: c_seq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14452686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14462686Sksewell@umich.edu UnorderedFalse, QnanException); 14472686Sksewell@umich.edu 0x3: c_ngl_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14482686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14492686Sksewell@umich.edu UnorderedTrue, QnanException); 14502686Sksewell@umich.edu 0x4: c_lt_ps({{ cond1 = (Fs1.sf < Ft1.sf); }}, 14512686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14522686Sksewell@umich.edu UnorderedFalse, QnanException); 14532686Sksewell@umich.edu 0x5: c_nge_ps({{ cond1 = (Fs1.sf < Ft1.sf); }}, 14542686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14552686Sksewell@umich.edu UnorderedTrue, QnanException); 14562686Sksewell@umich.edu 0x6: c_le_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }}, 14572686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14582686Sksewell@umich.edu UnorderedFalse, QnanException); 14592686Sksewell@umich.edu 0x7: c_ngt_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }}, 14602686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14612686Sksewell@umich.edu UnorderedTrue, QnanException); 14622602SN/A } 14632602SN/A } 14642101SN/A } 14652101SN/A } 14666384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 14672101SN/A } 14682101SN/A } 14692101SN/A 14702101SN/A //Table A-19 MIPS32 COP2 Encoding of rs Field 14712101SN/A 0x2: decode RS_MSB { 14725222Sksewell@umich.edu format CP2Unimpl { 14732686Sksewell@umich.edu 0x0: decode RS_HI { 14742686Sksewell@umich.edu 0x0: decode RS_LO { 14752101SN/A 0x0: mfc2(); 14762101SN/A 0x2: cfc2(); 14772101SN/A 0x3: mfhc2(); 14782101SN/A 0x4: mtc2(); 14792101SN/A 0x6: ctc2(); 14802101SN/A 0x7: mftc2(); 14816384Sgblack@eecs.umich.edu default: unknown(); 14822101SN/A } 14832101SN/A 14842686Sksewell@umich.edu 0x1: decode ND { 14852686Sksewell@umich.edu 0x0: decode TF { 14862101SN/A 0x0: bc2f(); 14872101SN/A 0x1: bc2t(); 14886384Sgblack@eecs.umich.edu default: unknown(); 14892101SN/A } 14902101SN/A 14912686Sksewell@umich.edu 0x1: decode TF { 14922101SN/A 0x0: bc2fl(); 14932101SN/A 0x1: bc2tl(); 14946384Sgblack@eecs.umich.edu default: unknown(); 14952101SN/A } 14966384Sgblack@eecs.umich.edu default: unknown(); 14975222Sksewell@umich.edu 14986384Sgblack@eecs.umich.edu } 14996384Sgblack@eecs.umich.edu default: unknown(); 15006384Sgblack@eecs.umich.edu } 15016384Sgblack@eecs.umich.edu default: unknown(); 15022101SN/A } 15032101SN/A } 15042101SN/A 15052101SN/A //Table A-20 MIPS64 COP1X Encoding of Function Field 1 15062101SN/A //Note: "COP1X instructions are legal only if 64-bit floating point 15072101SN/A //operations are enabled." 15082101SN/A 0x3: decode FUNCTION_HI { 15092101SN/A 0x0: decode FUNCTION_LO { 15102686Sksewell@umich.edu format LoadIndexedMemory { 15116384Sgblack@eecs.umich.edu 0x0: lwxc1({{ Fd.uw = Mem.uw; }}); 15126384Sgblack@eecs.umich.edu 0x1: ldxc1({{ Fd.ud = Mem.ud; }}); 15136384Sgblack@eecs.umich.edu 0x5: luxc1({{ Fd.ud = Mem.ud; }}, 15142742Sksewell@umich.edu {{ EA = (Rs + Rt) & ~7; }}); 15152101SN/A } 15162043SN/A } 15172027SN/A 15182101SN/A 0x1: decode FUNCTION_LO { 15192686Sksewell@umich.edu format StoreIndexedMemory { 15206384Sgblack@eecs.umich.edu 0x0: swxc1({{ Mem.uw = Fs.uw; }}); 15216384Sgblack@eecs.umich.edu 0x1: sdxc1({{ Mem.ud = Fs.ud; }}); 15226384Sgblack@eecs.umich.edu 0x5: suxc1({{ Mem.ud = Fs.ud; }}, 15232742Sksewell@umich.edu {{ EA = (Rs + Rt) & ~7; }}); 15242046SN/A } 15252686Sksewell@umich.edu 0x7: Prefetch::prefx({{ EA = Rs + Rt; }}); 15262101SN/A } 15272027SN/A 15282686Sksewell@umich.edu 0x3: decode FUNCTION_LO { 15296384Sgblack@eecs.umich.edu 0x6: Float64Op::alnv_ps({{ 15306384Sgblack@eecs.umich.edu if (Rs<2:0> == 0) { 15316384Sgblack@eecs.umich.edu Fd.ud = Fs.ud; 15326384Sgblack@eecs.umich.edu } else if (Rs<2:0> == 4) { 15336384Sgblack@eecs.umich.edu#if BYTE_ORDER == BIG_ENDIAN 15346384Sgblack@eecs.umich.edu Fd.ud = Fs.ud<31:0> << 32 | Ft.ud<63:32>; 15356384Sgblack@eecs.umich.edu#elif BYTE_ORDER == LITTLE_ENDIAN 15366384Sgblack@eecs.umich.edu Fd.ud = Ft.ud<31:0> << 32 | Fs.ud<63:32>; 15376384Sgblack@eecs.umich.edu#endif 15386384Sgblack@eecs.umich.edu } else { 15396384Sgblack@eecs.umich.edu Fd.ud = Fd.ud; 15406384Sgblack@eecs.umich.edu } 15416384Sgblack@eecs.umich.edu }}); 15422686Sksewell@umich.edu } 15432027SN/A 15442686Sksewell@umich.edu format FloatAccOp { 15452686Sksewell@umich.edu 0x4: decode FUNCTION_LO { 15462686Sksewell@umich.edu 0x0: madd_s({{ Fd.sf = (Fs.sf * Ft.sf) + Fr.sf; }}); 15472686Sksewell@umich.edu 0x1: madd_d({{ Fd.df = (Fs.df * Ft.df) + Fr.df; }}); 15482686Sksewell@umich.edu 0x6: madd_ps({{ 15492686Sksewell@umich.edu Fd1.sf = (Fs1.df * Ft1.df) + Fr1.df; 15502686Sksewell@umich.edu Fd2.sf = (Fs2.df * Ft2.df) + Fr2.df; 15512686Sksewell@umich.edu }}); 15522686Sksewell@umich.edu } 15532027SN/A 15542686Sksewell@umich.edu 0x5: decode FUNCTION_LO { 15552686Sksewell@umich.edu 0x0: msub_s({{ Fd.sf = (Fs.sf * Ft.sf) - Fr.sf; }}); 15562686Sksewell@umich.edu 0x1: msub_d({{ Fd.df = (Fs.df * Ft.df) - Fr.df; }}); 15572686Sksewell@umich.edu 0x6: msub_ps({{ 15582686Sksewell@umich.edu Fd1.sf = (Fs1.df * Ft1.df) - Fr1.df; 15592686Sksewell@umich.edu Fd2.sf = (Fs2.df * Ft2.df) - Fr2.df; 15602686Sksewell@umich.edu }}); 15612686Sksewell@umich.edu } 15622027SN/A 15632686Sksewell@umich.edu 0x6: decode FUNCTION_LO { 15642686Sksewell@umich.edu 0x0: nmadd_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }}); 15652686Sksewell@umich.edu 0x1: nmadd_d({{ Fd.df = (-1 * Fs.df * Ft.df) + Fr.df; }}); 15662686Sksewell@umich.edu 0x6: nmadd_ps({{ 15672686Sksewell@umich.edu Fd1.sf = -((Fs1.df * Ft1.df) + Fr1.df); 15682686Sksewell@umich.edu Fd2.sf = -((Fs2.df * Ft2.df) + Fr2.df); 15692686Sksewell@umich.edu }}); 15702686Sksewell@umich.edu } 15712027SN/A 15722686Sksewell@umich.edu 0x7: decode FUNCTION_LO { 15732686Sksewell@umich.edu 0x0: nmsub_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }}); 15742686Sksewell@umich.edu 0x1: nmsub_d({{ Fd.df = (-1 * Fs.df * Ft.df) - Fr.df; }}); 15752686Sksewell@umich.edu 0x6: nmsub_ps({{ 15762686Sksewell@umich.edu Fd1.sf = -((Fs1.df * Ft1.df) - Fr1.df); 15772686Sksewell@umich.edu Fd2.sf = -((Fs2.df * Ft2.df) - Fr2.df); 15782686Sksewell@umich.edu }}); 15792046SN/A } 15802101SN/A } 15812043SN/A } 15822025SN/A 15832686Sksewell@umich.edu format Branch { 15842686Sksewell@umich.edu 0x4: beql({{ cond = (Rs.sw == Rt.sw); }}, Likely); 15852686Sksewell@umich.edu 0x5: bnel({{ cond = (Rs.sw != Rt.sw); }}, Likely); 15862686Sksewell@umich.edu 0x6: blezl({{ cond = (Rs.sw <= 0); }}, Likely); 15872686Sksewell@umich.edu 0x7: bgtzl({{ cond = (Rs.sw > 0); }}, Likely); 15882046SN/A } 15892084SN/A } 15902024SN/A 15912686Sksewell@umich.edu 0x3: decode OPCODE_LO { 15922043SN/A //Table A-5 MIPS32 SPECIAL2 Encoding of Function Field 15932043SN/A 0x4: decode FUNCTION_HI { 15942686Sksewell@umich.edu 0x0: decode FUNCTION_LO { 15956384Sgblack@eecs.umich.edu 0x2: IntOp::mul({{ 15966384Sgblack@eecs.umich.edu int64_t temp1 = Rs.sd * Rt.sd; 15976384Sgblack@eecs.umich.edu Rd.sw = temp1<31:0>; 15986384Sgblack@eecs.umich.edu }}, IntMultOp); 15992027SN/A 16004661Sksewell@umich.edu format HiLoRdSelValOp { 16016384Sgblack@eecs.umich.edu 0x0: madd({{ 16026384Sgblack@eecs.umich.edu val = ((int64_t)HI_RD_SEL << 32 | LO_RD_SEL) + 16036384Sgblack@eecs.umich.edu (Rs.sd * Rt.sd); 16046384Sgblack@eecs.umich.edu }}, IntMultOp); 16056384Sgblack@eecs.umich.edu 0x1: maddu({{ 16066384Sgblack@eecs.umich.edu val = ((uint64_t)HI_RD_SEL << 32 | LO_RD_SEL) + 16076384Sgblack@eecs.umich.edu (Rs.ud * Rt.ud); 16086384Sgblack@eecs.umich.edu }}, IntMultOp); 16096384Sgblack@eecs.umich.edu 0x4: msub({{ 16106384Sgblack@eecs.umich.edu val = ((int64_t)HI_RD_SEL << 32 | LO_RD_SEL) - 16116384Sgblack@eecs.umich.edu (Rs.sd * Rt.sd); 16126384Sgblack@eecs.umich.edu }}, IntMultOp); 16136384Sgblack@eecs.umich.edu 0x5: msubu({{ 16146384Sgblack@eecs.umich.edu val = ((uint64_t)HI_RD_SEL << 32 | LO_RD_SEL) - 16156384Sgblack@eecs.umich.edu (Rs.ud * Rt.ud); 16166384Sgblack@eecs.umich.edu }}, IntMultOp); 16172043SN/A } 16182043SN/A } 16192027SN/A 16202043SN/A 0x4: decode FUNCTION_LO { 16212101SN/A format BasicOp { 16226384Sgblack@eecs.umich.edu 0x0: clz({{ 16236384Sgblack@eecs.umich.edu int cnt = 32; 16246384Sgblack@eecs.umich.edu for (int idx = 31; idx >= 0; idx--) { 16256384Sgblack@eecs.umich.edu if (Rs<idx:idx> == 1) { 16266384Sgblack@eecs.umich.edu cnt = 31 - idx; 16276384Sgblack@eecs.umich.edu break; 16286384Sgblack@eecs.umich.edu } 16296384Sgblack@eecs.umich.edu } 16306384Sgblack@eecs.umich.edu Rd.uw = cnt; 16316384Sgblack@eecs.umich.edu }}); 16326384Sgblack@eecs.umich.edu 0x1: clo({{ 16336384Sgblack@eecs.umich.edu int cnt = 32; 16346384Sgblack@eecs.umich.edu for (int idx = 31; idx >= 0; idx--) { 16356384Sgblack@eecs.umich.edu if (Rs<idx:idx> == 0) { 16366384Sgblack@eecs.umich.edu cnt = 31 - idx; 16376384Sgblack@eecs.umich.edu break; 16386384Sgblack@eecs.umich.edu } 16396384Sgblack@eecs.umich.edu } 16406384Sgblack@eecs.umich.edu Rd.uw = cnt; 16416384Sgblack@eecs.umich.edu }}); 16422101SN/A } 16432043SN/A } 16442027SN/A 16452043SN/A 0x7: decode FUNCTION_LO { 16462686Sksewell@umich.edu 0x7: FailUnimpl::sdbbp(); 16472043SN/A } 16482043SN/A } 16492024SN/A 16502686Sksewell@umich.edu //Table A-6 MIPS32 SPECIAL3 Encoding of Function Field for Release 2 16512686Sksewell@umich.edu //of the Architecture 16522043SN/A 0x7: decode FUNCTION_HI { 16532101SN/A 0x0: decode FUNCTION_LO { 16542686Sksewell@umich.edu format BasicOp { 16552742Sksewell@umich.edu 0x0: ext({{ Rt.uw = bits(Rs.uw, MSB+LSB, LSB); }}); 16566384Sgblack@eecs.umich.edu 0x4: ins({{ 16576384Sgblack@eecs.umich.edu Rt.uw = bits(Rt.uw, 31, MSB+1) << (MSB+1) | 16586384Sgblack@eecs.umich.edu bits(Rs.uw, MSB-LSB, 0) << LSB | 16596384Sgblack@eecs.umich.edu bits(Rt.uw, LSB-1, 0); 16606384Sgblack@eecs.umich.edu }}); 16612046SN/A } 16622101SN/A } 16632026SN/A 16642101SN/A 0x1: decode FUNCTION_LO { 16654661Sksewell@umich.edu format MT_Control { 16666384Sgblack@eecs.umich.edu 0x0: fork({{ 16676384Sgblack@eecs.umich.edu forkThread(xc->tcBase(), fault, RD, Rs, Rt); 16686384Sgblack@eecs.umich.edu }}, UserMode); 16696384Sgblack@eecs.umich.edu 0x1: yield({{ 16706384Sgblack@eecs.umich.edu Rd.sw = yieldThread(xc->tcBase(), fault, Rs.sw, 16716384Sgblack@eecs.umich.edu YQMask); 16726384Sgblack@eecs.umich.edu }}, UserMode); 16734661Sksewell@umich.edu } 16744661Sksewell@umich.edu 16754661Sksewell@umich.edu //Table 5-9 MIPS32 LX Encoding of the op Field (DSP ASE MANUAL) 16764661Sksewell@umich.edu 0x2: decode OP_HI { 16774661Sksewell@umich.edu 0x0: decode OP_LO { 16784661Sksewell@umich.edu format LoadIndexedMemory { 16794661Sksewell@umich.edu 0x0: lwx({{ Rd.sw = Mem.sw; }}); 16804661Sksewell@umich.edu 0x4: lhx({{ Rd.sw = Mem.sh; }}); 16814661Sksewell@umich.edu 0x6: lbux({{ Rd.uw = Mem.ub; }}); 16824661Sksewell@umich.edu } 16834661Sksewell@umich.edu } 16844661Sksewell@umich.edu } 16856384Sgblack@eecs.umich.edu 0x4: DspIntOp::insv({{ 16866384Sgblack@eecs.umich.edu int pos = dspctl<5:0>; 16876384Sgblack@eecs.umich.edu int size = dspctl<12:7> - 1; 16886384Sgblack@eecs.umich.edu Rt.uw = insertBits(Rt.uw, pos+size, 16896384Sgblack@eecs.umich.edu pos, Rs.uw<size:0>); 16906384Sgblack@eecs.umich.edu }}); 16914661Sksewell@umich.edu } 16924661Sksewell@umich.edu 16934661Sksewell@umich.edu 0x2: decode FUNCTION_LO { 16944661Sksewell@umich.edu 16956384Sgblack@eecs.umich.edu //Table 5-5 MIPS32 ADDU.QB Encoding of the op Field 16966384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 16974661Sksewell@umich.edu 0x0: decode OP_HI { 16984661Sksewell@umich.edu 0x0: decode OP_LO { 16994661Sksewell@umich.edu format DspIntOp { 17006384Sgblack@eecs.umich.edu 0x0: addu_qb({{ 17016384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_QB, 17026384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17036384Sgblack@eecs.umich.edu }}); 17046384Sgblack@eecs.umich.edu 0x1: subu_qb({{ 17056384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_QB, 17066384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17076384Sgblack@eecs.umich.edu }}); 17086384Sgblack@eecs.umich.edu 0x4: addu_s_qb({{ 17096384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_QB, 17106384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17116384Sgblack@eecs.umich.edu }}); 17126384Sgblack@eecs.umich.edu 0x5: subu_s_qb({{ 17136384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_QB, 17146384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17156384Sgblack@eecs.umich.edu }}); 17166384Sgblack@eecs.umich.edu 0x6: muleu_s_ph_qbl({{ 17176384Sgblack@eecs.umich.edu Rd.uw = dspMuleu(Rs.uw, Rt.uw, 17186384Sgblack@eecs.umich.edu MODE_L, &dspctl); 17196384Sgblack@eecs.umich.edu }}, IntMultOp); 17206384Sgblack@eecs.umich.edu 0x7: muleu_s_ph_qbr({{ 17216384Sgblack@eecs.umich.edu Rd.uw = dspMuleu(Rs.uw, Rt.uw, 17226384Sgblack@eecs.umich.edu MODE_R, &dspctl); 17236384Sgblack@eecs.umich.edu }}, IntMultOp); 17244661Sksewell@umich.edu } 17254661Sksewell@umich.edu } 17264661Sksewell@umich.edu 0x1: decode OP_LO { 17274661Sksewell@umich.edu format DspIntOp { 17286384Sgblack@eecs.umich.edu 0x0: addu_ph({{ 17296384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17306384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17316384Sgblack@eecs.umich.edu }}); 17326384Sgblack@eecs.umich.edu 0x1: subu_ph({{ 17336384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17346384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17356384Sgblack@eecs.umich.edu }}); 17366384Sgblack@eecs.umich.edu 0x2: addq_ph({{ 17376384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17386384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 17396384Sgblack@eecs.umich.edu }}); 17406384Sgblack@eecs.umich.edu 0x3: subq_ph({{ 17416384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17426384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 17436384Sgblack@eecs.umich.edu }}); 17446384Sgblack@eecs.umich.edu 0x4: addu_s_ph({{ 17456384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17466384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17476384Sgblack@eecs.umich.edu }}); 17486384Sgblack@eecs.umich.edu 0x5: subu_s_ph({{ 17496384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17506384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17516384Sgblack@eecs.umich.edu }}); 17526384Sgblack@eecs.umich.edu 0x6: addq_s_ph({{ 17536384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17546384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 17556384Sgblack@eecs.umich.edu }}); 17566384Sgblack@eecs.umich.edu 0x7: subq_s_ph({{ 17576384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17586384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 17596384Sgblack@eecs.umich.edu }}); 17604661Sksewell@umich.edu } 17614661Sksewell@umich.edu } 17624661Sksewell@umich.edu 0x2: decode OP_LO { 17634661Sksewell@umich.edu format DspIntOp { 17646384Sgblack@eecs.umich.edu 0x0: addsc({{ 17656384Sgblack@eecs.umich.edu int64_t dresult; 17666384Sgblack@eecs.umich.edu dresult = Rs.ud + Rt.ud; 17676384Sgblack@eecs.umich.edu Rd.sw = dresult<31:0>; 17686384Sgblack@eecs.umich.edu dspctl = insertBits(dspctl, 13, 13, 17696384Sgblack@eecs.umich.edu dresult<32:32>); 17706384Sgblack@eecs.umich.edu }}); 17716384Sgblack@eecs.umich.edu 0x1: addwc({{ 17726384Sgblack@eecs.umich.edu int64_t dresult; 17736384Sgblack@eecs.umich.edu dresult = Rs.sd + Rt.sd + dspctl<13:13>; 17746384Sgblack@eecs.umich.edu Rd.sw = dresult<31:0>; 17756384Sgblack@eecs.umich.edu if (dresult<32:32> != dresult<31:31>) 17766384Sgblack@eecs.umich.edu dspctl = insertBits(dspctl, 20, 20, 1); 17776384Sgblack@eecs.umich.edu }}); 17786384Sgblack@eecs.umich.edu 0x2: modsub({{ 17796384Sgblack@eecs.umich.edu Rd.sw = (Rs.sw == 0) ? Rt.sw<23:8> : 17806384Sgblack@eecs.umich.edu Rs.sw - Rt.sw<7:0>; 17816384Sgblack@eecs.umich.edu }}); 17826384Sgblack@eecs.umich.edu 0x4: raddu_w_qb({{ 17836384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<31:24> + Rs.uw<23:16> + 17846384Sgblack@eecs.umich.edu Rs.uw<15:8> + Rs.uw<7:0>; 17856384Sgblack@eecs.umich.edu }}); 17866384Sgblack@eecs.umich.edu 0x6: addq_s_w({{ 17876384Sgblack@eecs.umich.edu Rd.sw = dspAdd(Rs.sw, Rt.sw, SIMD_FMT_W, 17886384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 17896384Sgblack@eecs.umich.edu }}); 17906384Sgblack@eecs.umich.edu 0x7: subq_s_w({{ 17916384Sgblack@eecs.umich.edu Rd.sw = dspSub(Rs.sw, Rt.sw, SIMD_FMT_W, 17926384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 17936384Sgblack@eecs.umich.edu }}); 17944661Sksewell@umich.edu } 17954661Sksewell@umich.edu } 17964661Sksewell@umich.edu 0x3: decode OP_LO { 17974661Sksewell@umich.edu format DspIntOp { 17986384Sgblack@eecs.umich.edu 0x4: muleq_s_w_phl({{ 17996384Sgblack@eecs.umich.edu Rd.sw = dspMuleq(Rs.sw, Rt.sw, 18006384Sgblack@eecs.umich.edu MODE_L, &dspctl); 18016384Sgblack@eecs.umich.edu }}, IntMultOp); 18026384Sgblack@eecs.umich.edu 0x5: muleq_s_w_phr({{ 18036384Sgblack@eecs.umich.edu Rd.sw = dspMuleq(Rs.sw, Rt.sw, 18046384Sgblack@eecs.umich.edu MODE_R, &dspctl); 18056384Sgblack@eecs.umich.edu }}, IntMultOp); 18066384Sgblack@eecs.umich.edu 0x6: mulq_s_ph({{ 18076384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_PH, 18086384Sgblack@eecs.umich.edu SATURATE, NOROUND, &dspctl); 18096384Sgblack@eecs.umich.edu }}, IntMultOp); 18106384Sgblack@eecs.umich.edu 0x7: mulq_rs_ph({{ 18116384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_PH, 18126384Sgblack@eecs.umich.edu SATURATE, ROUND, &dspctl); 18136384Sgblack@eecs.umich.edu }}, IntMultOp); 18144661Sksewell@umich.edu } 18154661Sksewell@umich.edu } 18164661Sksewell@umich.edu } 18174661Sksewell@umich.edu 18186384Sgblack@eecs.umich.edu //Table 5-6 MIPS32 CMPU_EQ_QB Encoding of the op Field 18196384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 18204661Sksewell@umich.edu 0x1: decode OP_HI { 18214661Sksewell@umich.edu 0x0: decode OP_LO { 18224661Sksewell@umich.edu format DspIntOp { 18236384Sgblack@eecs.umich.edu 0x0: cmpu_eq_qb({{ 18246384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_QB, 18256384Sgblack@eecs.umich.edu UNSIGNED, CMP_EQ, &dspctl); 18266384Sgblack@eecs.umich.edu }}); 18276384Sgblack@eecs.umich.edu 0x1: cmpu_lt_qb({{ 18286384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_QB, 18296384Sgblack@eecs.umich.edu UNSIGNED, CMP_LT, &dspctl); 18306384Sgblack@eecs.umich.edu }}); 18316384Sgblack@eecs.umich.edu 0x2: cmpu_le_qb({{ 18326384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_QB, 18336384Sgblack@eecs.umich.edu UNSIGNED, CMP_LE, &dspctl); 18346384Sgblack@eecs.umich.edu }}); 18356384Sgblack@eecs.umich.edu 0x3: pick_qb({{ 18366384Sgblack@eecs.umich.edu Rd.uw = dspPick(Rs.uw, Rt.uw, 18376384Sgblack@eecs.umich.edu SIMD_FMT_QB, &dspctl); 18386384Sgblack@eecs.umich.edu }}); 18396384Sgblack@eecs.umich.edu 0x4: cmpgu_eq_qb({{ 18406384Sgblack@eecs.umich.edu Rd.uw = dspCmpg(Rs.uw, Rt.uw, SIMD_FMT_QB, 18416384Sgblack@eecs.umich.edu UNSIGNED, CMP_EQ ); 18426384Sgblack@eecs.umich.edu }}); 18436384Sgblack@eecs.umich.edu 0x5: cmpgu_lt_qb({{ 18446384Sgblack@eecs.umich.edu Rd.uw = dspCmpg(Rs.uw, Rt.uw, SIMD_FMT_QB, 18456384Sgblack@eecs.umich.edu UNSIGNED, CMP_LT); 18466384Sgblack@eecs.umich.edu }}); 18476384Sgblack@eecs.umich.edu 0x6: cmpgu_le_qb({{ 18486384Sgblack@eecs.umich.edu Rd.uw = dspCmpg(Rs.uw, Rt.uw, SIMD_FMT_QB, 18496384Sgblack@eecs.umich.edu UNSIGNED, CMP_LE); 18506384Sgblack@eecs.umich.edu }}); 18514661Sksewell@umich.edu } 18524661Sksewell@umich.edu } 18534661Sksewell@umich.edu 0x1: decode OP_LO { 18544661Sksewell@umich.edu format DspIntOp { 18556384Sgblack@eecs.umich.edu 0x0: cmp_eq_ph({{ 18566384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_PH, 18576384Sgblack@eecs.umich.edu SIGNED, CMP_EQ, &dspctl); 18586384Sgblack@eecs.umich.edu }}); 18596384Sgblack@eecs.umich.edu 0x1: cmp_lt_ph({{ 18606384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_PH, 18616384Sgblack@eecs.umich.edu SIGNED, CMP_LT, &dspctl); 18626384Sgblack@eecs.umich.edu }}); 18636384Sgblack@eecs.umich.edu 0x2: cmp_le_ph({{ 18646384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_PH, 18656384Sgblack@eecs.umich.edu SIGNED, CMP_LE, &dspctl); 18666384Sgblack@eecs.umich.edu }}); 18676384Sgblack@eecs.umich.edu 0x3: pick_ph({{ 18686384Sgblack@eecs.umich.edu Rd.uw = dspPick(Rs.uw, Rt.uw, 18696384Sgblack@eecs.umich.edu SIMD_FMT_PH, &dspctl); 18706384Sgblack@eecs.umich.edu }}); 18716384Sgblack@eecs.umich.edu 0x4: precrq_qb_ph({{ 18726384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<31:24> << 24 | 18736384Sgblack@eecs.umich.edu Rs.uw<15:8> << 16 | 18746384Sgblack@eecs.umich.edu Rt.uw<31:24> << 8 | 18756384Sgblack@eecs.umich.edu Rt.uw<15:8>; 18766384Sgblack@eecs.umich.edu }}); 18776384Sgblack@eecs.umich.edu 0x5: precr_qb_ph({{ 18786384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<23:16> << 24 | 18796384Sgblack@eecs.umich.edu Rs.uw<7:0> << 16 | 18806384Sgblack@eecs.umich.edu Rt.uw<23:16> << 8 | 18816384Sgblack@eecs.umich.edu Rt.uw<7:0>; 18826384Sgblack@eecs.umich.edu }}); 18836384Sgblack@eecs.umich.edu 0x6: packrl_ph({{ 18846384Sgblack@eecs.umich.edu Rd.uw = dspPack(Rs.uw, Rt.uw, SIMD_FMT_PH); 18856384Sgblack@eecs.umich.edu }}); 18866384Sgblack@eecs.umich.edu 0x7: precrqu_s_qb_ph({{ 18876384Sgblack@eecs.umich.edu Rd.uw = dspPrecrqu(Rs.uw, Rt.uw, &dspctl); 18886384Sgblack@eecs.umich.edu }}); 18894661Sksewell@umich.edu } 18904661Sksewell@umich.edu } 18914661Sksewell@umich.edu 0x2: decode OP_LO { 18924661Sksewell@umich.edu format DspIntOp { 18936384Sgblack@eecs.umich.edu 0x4: precrq_ph_w({{ 18946384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<31:16> << 16 | Rt.uw<31:16>; 18956384Sgblack@eecs.umich.edu }}); 18966384Sgblack@eecs.umich.edu 0x5: precrq_rs_ph_w({{ 18976384Sgblack@eecs.umich.edu Rd.uw = dspPrecrq(Rs.uw, Rt.uw, 18986384Sgblack@eecs.umich.edu SIMD_FMT_W, &dspctl); 18996384Sgblack@eecs.umich.edu }}); 19004661Sksewell@umich.edu } 19014661Sksewell@umich.edu } 19024661Sksewell@umich.edu 0x3: decode OP_LO { 19034661Sksewell@umich.edu format DspIntOp { 19046384Sgblack@eecs.umich.edu 0x0: cmpgdu_eq_qb({{ 19056384Sgblack@eecs.umich.edu Rd.uw = dspCmpgd(Rs.uw, Rt.uw, SIMD_FMT_QB, 19066384Sgblack@eecs.umich.edu UNSIGNED, CMP_EQ, &dspctl); 19076384Sgblack@eecs.umich.edu }}); 19086384Sgblack@eecs.umich.edu 0x1: cmpgdu_lt_qb({{ 19096384Sgblack@eecs.umich.edu Rd.uw = dspCmpgd(Rs.uw, Rt.uw, SIMD_FMT_QB, 19106384Sgblack@eecs.umich.edu UNSIGNED, CMP_LT, &dspctl); 19116384Sgblack@eecs.umich.edu }}); 19126384Sgblack@eecs.umich.edu 0x2: cmpgdu_le_qb({{ 19136384Sgblack@eecs.umich.edu Rd.uw = dspCmpgd(Rs.uw, Rt.uw, SIMD_FMT_QB, 19146384Sgblack@eecs.umich.edu UNSIGNED, CMP_LE, &dspctl); 19156384Sgblack@eecs.umich.edu }}); 19166384Sgblack@eecs.umich.edu 0x6: precr_sra_ph_w({{ 19176384Sgblack@eecs.umich.edu Rt.uw = dspPrecrSra(Rt.uw, Rs.uw, RD, 19186384Sgblack@eecs.umich.edu SIMD_FMT_W, NOROUND); 19196384Sgblack@eecs.umich.edu }}); 19206384Sgblack@eecs.umich.edu 0x7: precr_sra_r_ph_w({{ 19216384Sgblack@eecs.umich.edu Rt.uw = dspPrecrSra(Rt.uw, Rs.uw, RD, 19226384Sgblack@eecs.umich.edu SIMD_FMT_W, ROUND); 19236384Sgblack@eecs.umich.edu }}); 19244661Sksewell@umich.edu } 19254661Sksewell@umich.edu } 19264661Sksewell@umich.edu } 19274661Sksewell@umich.edu 19286384Sgblack@eecs.umich.edu //Table 5-7 MIPS32 ABSQ_S.PH Encoding of the op Field 19296384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 19304661Sksewell@umich.edu 0x2: decode OP_HI { 19314661Sksewell@umich.edu 0x0: decode OP_LO { 19324661Sksewell@umich.edu format DspIntOp { 19336384Sgblack@eecs.umich.edu 0x1: absq_s_qb({{ 19346384Sgblack@eecs.umich.edu Rd.sw = dspAbs(Rt.sw, SIMD_FMT_QB, &dspctl); 19356384Sgblack@eecs.umich.edu }}); 19366384Sgblack@eecs.umich.edu 0x2: repl_qb({{ 19376384Sgblack@eecs.umich.edu Rd.uw = RS_RT<7:0> << 24 | 19386384Sgblack@eecs.umich.edu RS_RT<7:0> << 16 | 19396384Sgblack@eecs.umich.edu RS_RT<7:0> << 8 | 19406384Sgblack@eecs.umich.edu RS_RT<7:0>; 19416384Sgblack@eecs.umich.edu }}); 19426384Sgblack@eecs.umich.edu 0x3: replv_qb({{ 19436384Sgblack@eecs.umich.edu Rd.sw = Rt.uw<7:0> << 24 | 19446384Sgblack@eecs.umich.edu Rt.uw<7:0> << 16 | 19456384Sgblack@eecs.umich.edu Rt.uw<7:0> << 8 | 19466384Sgblack@eecs.umich.edu Rt.uw<7:0>; 19476384Sgblack@eecs.umich.edu }}); 19486384Sgblack@eecs.umich.edu 0x4: precequ_ph_qbl({{ 19496384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19506384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_L); 19516384Sgblack@eecs.umich.edu }}); 19526384Sgblack@eecs.umich.edu 0x5: precequ_ph_qbr({{ 19536384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19546384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_R); 19556384Sgblack@eecs.umich.edu }}); 19566384Sgblack@eecs.umich.edu 0x6: precequ_ph_qbla({{ 19576384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19586384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_LA); 19596384Sgblack@eecs.umich.edu }}); 19606384Sgblack@eecs.umich.edu 0x7: precequ_ph_qbra({{ 19616384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19626384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_RA); 19636384Sgblack@eecs.umich.edu }}); 19644661Sksewell@umich.edu } 19654661Sksewell@umich.edu } 19664661Sksewell@umich.edu 0x1: decode OP_LO { 19674661Sksewell@umich.edu format DspIntOp { 19686384Sgblack@eecs.umich.edu 0x1: absq_s_ph({{ 19696384Sgblack@eecs.umich.edu Rd.sw = dspAbs(Rt.sw, SIMD_FMT_PH, &dspctl); 19706384Sgblack@eecs.umich.edu }}); 19716384Sgblack@eecs.umich.edu 0x2: repl_ph({{ 19726384Sgblack@eecs.umich.edu Rd.uw = (sext<10>(RS_RT))<15:0> << 16 | 19736384Sgblack@eecs.umich.edu (sext<10>(RS_RT))<15:0>; 19746384Sgblack@eecs.umich.edu }}); 19756384Sgblack@eecs.umich.edu 0x3: replv_ph({{ 19766384Sgblack@eecs.umich.edu Rd.uw = Rt.uw<15:0> << 16 | 19776384Sgblack@eecs.umich.edu Rt.uw<15:0>; 19786384Sgblack@eecs.umich.edu }}); 19796384Sgblack@eecs.umich.edu 0x4: preceq_w_phl({{ 19806384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_PH, SIGNED, 19816384Sgblack@eecs.umich.edu SIMD_FMT_W, SIGNED, MODE_L); 19826384Sgblack@eecs.umich.edu }}); 19836384Sgblack@eecs.umich.edu 0x5: preceq_w_phr({{ 19846384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_PH, SIGNED, 19856384Sgblack@eecs.umich.edu SIMD_FMT_W, SIGNED, MODE_R); 19866384Sgblack@eecs.umich.edu }}); 19874661Sksewell@umich.edu } 19884661Sksewell@umich.edu } 19894661Sksewell@umich.edu 0x2: decode OP_LO { 19904661Sksewell@umich.edu format DspIntOp { 19916384Sgblack@eecs.umich.edu 0x1: absq_s_w({{ 19926384Sgblack@eecs.umich.edu Rd.sw = dspAbs(Rt.sw, SIMD_FMT_W, &dspctl); 19936384Sgblack@eecs.umich.edu }}); 19944661Sksewell@umich.edu } 19954661Sksewell@umich.edu } 19964661Sksewell@umich.edu 0x3: decode OP_LO { 19976384Sgblack@eecs.umich.edu 0x3: IntOp::bitrev({{ 19986384Sgblack@eecs.umich.edu Rd.uw = bitrev( Rt.uw<15:0> ); 19996384Sgblack@eecs.umich.edu }}); 20004661Sksewell@umich.edu format DspIntOp { 20016384Sgblack@eecs.umich.edu 0x4: preceu_ph_qbl({{ 20026384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20036384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20046384Sgblack@eecs.umich.edu UNSIGNED, MODE_L); 20056384Sgblack@eecs.umich.edu }}); 20066384Sgblack@eecs.umich.edu 0x5: preceu_ph_qbr({{ 20076384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20086384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20096384Sgblack@eecs.umich.edu UNSIGNED, MODE_R ); 20106384Sgblack@eecs.umich.edu }}); 20116384Sgblack@eecs.umich.edu 0x6: preceu_ph_qbla({{ 20126384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20136384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20146384Sgblack@eecs.umich.edu UNSIGNED, MODE_LA ); 20156384Sgblack@eecs.umich.edu }}); 20166384Sgblack@eecs.umich.edu 0x7: preceu_ph_qbra({{ 20176384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20186384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20196384Sgblack@eecs.umich.edu UNSIGNED, MODE_RA); 20206384Sgblack@eecs.umich.edu }}); 20214661Sksewell@umich.edu } 20224661Sksewell@umich.edu } 20234661Sksewell@umich.edu } 20244661Sksewell@umich.edu 20256384Sgblack@eecs.umich.edu //Table 5-8 MIPS32 SHLL.QB Encoding of the op Field 20266384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 20274661Sksewell@umich.edu 0x3: decode OP_HI { 20284661Sksewell@umich.edu 0x0: decode OP_LO { 20294661Sksewell@umich.edu format DspIntOp { 20306384Sgblack@eecs.umich.edu 0x0: shll_qb({{ 20316384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, RS, SIMD_FMT_QB, 20326384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 20336384Sgblack@eecs.umich.edu }}); 20346384Sgblack@eecs.umich.edu 0x1: shrl_qb({{ 20356384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, RS, SIMD_FMT_QB, 20366384Sgblack@eecs.umich.edu UNSIGNED); 20376384Sgblack@eecs.umich.edu }}); 20386384Sgblack@eecs.umich.edu 0x2: shllv_qb({{ 20396384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_QB, 20406384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 20416384Sgblack@eecs.umich.edu }}); 20426384Sgblack@eecs.umich.edu 0x3: shrlv_qb({{ 20436384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, Rs.sw, SIMD_FMT_QB, 20446384Sgblack@eecs.umich.edu UNSIGNED); 20456384Sgblack@eecs.umich.edu }}); 20466384Sgblack@eecs.umich.edu 0x4: shra_qb({{ 20476384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_QB, 20486384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20496384Sgblack@eecs.umich.edu }}); 20506384Sgblack@eecs.umich.edu 0x5: shra_r_qb({{ 20516384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_QB, 20526384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 20536384Sgblack@eecs.umich.edu }}); 20546384Sgblack@eecs.umich.edu 0x6: shrav_qb({{ 20556384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_QB, 20566384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20576384Sgblack@eecs.umich.edu }}); 20586384Sgblack@eecs.umich.edu 0x7: shrav_r_qb({{ 20596384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_QB, 20606384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 20616384Sgblack@eecs.umich.edu }}); 20624661Sksewell@umich.edu } 20634661Sksewell@umich.edu } 20644661Sksewell@umich.edu 0x1: decode OP_LO { 20654661Sksewell@umich.edu format DspIntOp { 20666384Sgblack@eecs.umich.edu 0x0: shll_ph({{ 20676384Sgblack@eecs.umich.edu Rd.uw = dspShll(Rt.uw, RS, SIMD_FMT_PH, 20686384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 20696384Sgblack@eecs.umich.edu }}); 20706384Sgblack@eecs.umich.edu 0x1: shra_ph({{ 20716384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_PH, 20726384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20736384Sgblack@eecs.umich.edu }}); 20746384Sgblack@eecs.umich.edu 0x2: shllv_ph({{ 20756384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_PH, 20766384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 20776384Sgblack@eecs.umich.edu }}); 20786384Sgblack@eecs.umich.edu 0x3: shrav_ph({{ 20796384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_PH, 20806384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20816384Sgblack@eecs.umich.edu }}); 20826384Sgblack@eecs.umich.edu 0x4: shll_s_ph({{ 20836384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, RS, SIMD_FMT_PH, 20846384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 20856384Sgblack@eecs.umich.edu }}); 20866384Sgblack@eecs.umich.edu 0x5: shra_r_ph({{ 20876384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_PH, 20886384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 20896384Sgblack@eecs.umich.edu }}); 20906384Sgblack@eecs.umich.edu 0x6: shllv_s_ph({{ 20916384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_PH, 20926384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 20936384Sgblack@eecs.umich.edu }}); 20946384Sgblack@eecs.umich.edu 0x7: shrav_r_ph({{ 20956384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_PH, 20966384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 20976384Sgblack@eecs.umich.edu }}); 20984661Sksewell@umich.edu } 20994661Sksewell@umich.edu } 21004661Sksewell@umich.edu 0x2: decode OP_LO { 21014661Sksewell@umich.edu format DspIntOp { 21026384Sgblack@eecs.umich.edu 0x4: shll_s_w({{ 21036384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, RS, SIMD_FMT_W, 21046384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 21056384Sgblack@eecs.umich.edu }}); 21066384Sgblack@eecs.umich.edu 0x5: shra_r_w({{ 21076384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_W, 21086384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 21096384Sgblack@eecs.umich.edu }}); 21106384Sgblack@eecs.umich.edu 0x6: shllv_s_w({{ 21116384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_W, 21126384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 21136384Sgblack@eecs.umich.edu }}); 21146384Sgblack@eecs.umich.edu 0x7: shrav_r_w({{ 21156384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_W, 21166384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 21176384Sgblack@eecs.umich.edu }}); 21184661Sksewell@umich.edu } 21194661Sksewell@umich.edu } 21204661Sksewell@umich.edu 0x3: decode OP_LO { 21214661Sksewell@umich.edu format DspIntOp { 21226384Sgblack@eecs.umich.edu 0x1: shrl_ph({{ 21236384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, RS, SIMD_FMT_PH, 21246384Sgblack@eecs.umich.edu UNSIGNED); 21256384Sgblack@eecs.umich.edu }}); 21266384Sgblack@eecs.umich.edu 0x3: shrlv_ph({{ 21276384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, Rs.sw, SIMD_FMT_PH, 21286384Sgblack@eecs.umich.edu UNSIGNED); 21296384Sgblack@eecs.umich.edu }}); 21304661Sksewell@umich.edu } 21314661Sksewell@umich.edu } 21324661Sksewell@umich.edu } 21334661Sksewell@umich.edu } 21344661Sksewell@umich.edu 21354661Sksewell@umich.edu 0x3: decode FUNCTION_LO { 21364661Sksewell@umich.edu 21376384Sgblack@eecs.umich.edu //Table 3.12 MIPS32 ADDUH.QB Encoding of the op Field 21386384Sgblack@eecs.umich.edu //(DSP ASE Rev2 Manual) 21394661Sksewell@umich.edu 0x0: decode OP_HI { 21404661Sksewell@umich.edu 0x0: decode OP_LO { 21414661Sksewell@umich.edu format DspIntOp { 21426384Sgblack@eecs.umich.edu 0x0: adduh_qb({{ 21436384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21446384Sgblack@eecs.umich.edu NOROUND, UNSIGNED); 21456384Sgblack@eecs.umich.edu }}); 21466384Sgblack@eecs.umich.edu 0x1: subuh_qb({{ 21476384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21486384Sgblack@eecs.umich.edu NOROUND, UNSIGNED); 21496384Sgblack@eecs.umich.edu }}); 21506384Sgblack@eecs.umich.edu 0x2: adduh_r_qb({{ 21516384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21526384Sgblack@eecs.umich.edu ROUND, UNSIGNED); 21536384Sgblack@eecs.umich.edu }}); 21546384Sgblack@eecs.umich.edu 0x3: subuh_r_qb({{ 21556384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21566384Sgblack@eecs.umich.edu ROUND, UNSIGNED); 21576384Sgblack@eecs.umich.edu }}); 21584661Sksewell@umich.edu } 21594661Sksewell@umich.edu } 21604661Sksewell@umich.edu 0x1: decode OP_LO { 21614661Sksewell@umich.edu format DspIntOp { 21626384Sgblack@eecs.umich.edu 0x0: addqh_ph({{ 21636384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21646384Sgblack@eecs.umich.edu NOROUND, SIGNED); 21656384Sgblack@eecs.umich.edu }}); 21666384Sgblack@eecs.umich.edu 0x1: subqh_ph({{ 21676384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21686384Sgblack@eecs.umich.edu NOROUND, SIGNED); 21696384Sgblack@eecs.umich.edu }}); 21706384Sgblack@eecs.umich.edu 0x2: addqh_r_ph({{ 21716384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21726384Sgblack@eecs.umich.edu ROUND, SIGNED); 21736384Sgblack@eecs.umich.edu }}); 21746384Sgblack@eecs.umich.edu 0x3: subqh_r_ph({{ 21756384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21766384Sgblack@eecs.umich.edu ROUND, SIGNED); 21776384Sgblack@eecs.umich.edu }}); 21786384Sgblack@eecs.umich.edu 0x4: mul_ph({{ 21796384Sgblack@eecs.umich.edu Rd.sw = dspMul(Rs.sw, Rt.sw, SIMD_FMT_PH, 21806384Sgblack@eecs.umich.edu NOSATURATE, &dspctl); 21816384Sgblack@eecs.umich.edu }}, IntMultOp); 21826384Sgblack@eecs.umich.edu 0x6: mul_s_ph({{ 21836384Sgblack@eecs.umich.edu Rd.sw = dspMul(Rs.sw, Rt.sw, SIMD_FMT_PH, 21846384Sgblack@eecs.umich.edu SATURATE, &dspctl); 21856384Sgblack@eecs.umich.edu }}, IntMultOp); 21864661Sksewell@umich.edu } 21874661Sksewell@umich.edu } 21884661Sksewell@umich.edu 0x2: decode OP_LO { 21894661Sksewell@umich.edu format DspIntOp { 21906384Sgblack@eecs.umich.edu 0x0: addqh_w({{ 21916384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_W, 21926384Sgblack@eecs.umich.edu NOROUND, SIGNED); 21936384Sgblack@eecs.umich.edu }}); 21946384Sgblack@eecs.umich.edu 0x1: subqh_w({{ 21956384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_W, 21966384Sgblack@eecs.umich.edu NOROUND, SIGNED); 21976384Sgblack@eecs.umich.edu }}); 21986384Sgblack@eecs.umich.edu 0x2: addqh_r_w({{ 21996384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_W, 22006384Sgblack@eecs.umich.edu ROUND, SIGNED); 22016384Sgblack@eecs.umich.edu }}); 22026384Sgblack@eecs.umich.edu 0x3: subqh_r_w({{ 22036384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_W, 22046384Sgblack@eecs.umich.edu ROUND, SIGNED); 22056384Sgblack@eecs.umich.edu }}); 22066384Sgblack@eecs.umich.edu 0x6: mulq_s_w({{ 22076384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_W, 22086384Sgblack@eecs.umich.edu SATURATE, NOROUND, &dspctl); 22096384Sgblack@eecs.umich.edu }}, IntMultOp); 22106384Sgblack@eecs.umich.edu 0x7: mulq_rs_w({{ 22116384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_W, 22126384Sgblack@eecs.umich.edu SATURATE, ROUND, &dspctl); 22136384Sgblack@eecs.umich.edu }}, IntMultOp); 22144661Sksewell@umich.edu } 22154661Sksewell@umich.edu } 22162061SN/A } 22172101SN/A } 22182061SN/A 22192101SN/A //Table A-10 MIPS32 BSHFL Encoding of sa Field 22202101SN/A 0x4: decode SA { 22212046SN/A format BasicOp { 22226384Sgblack@eecs.umich.edu 0x02: wsbh({{ 22236384Sgblack@eecs.umich.edu Rd.uw = Rt.uw<23:16> << 24 | 22246384Sgblack@eecs.umich.edu Rt.uw<31:24> << 16 | 22256384Sgblack@eecs.umich.edu Rt.uw<7:0> << 8 | 22266384Sgblack@eecs.umich.edu Rt.uw<15:8>; 22272686Sksewell@umich.edu }}); 22282742Sksewell@umich.edu 0x10: seb({{ Rd.sw = Rt.sb; }}); 22292742Sksewell@umich.edu 0x18: seh({{ Rd.sw = Rt.sh; }}); 22302046SN/A } 22312101SN/A } 22322043SN/A 22332101SN/A 0x6: decode FUNCTION_LO { 22344661Sksewell@umich.edu 22356384Sgblack@eecs.umich.edu //Table 5-10 MIPS32 DPAQ.W.PH Encoding of the op Field 22366384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 22374661Sksewell@umich.edu 0x0: decode OP_HI { 22384661Sksewell@umich.edu 0x0: decode OP_LO { 22394661Sksewell@umich.edu format DspHiLoOp { 22406384Sgblack@eecs.umich.edu 0x0: dpa_w_ph({{ 22416384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22426384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_L); 22436384Sgblack@eecs.umich.edu }}, IntMultOp); 22446384Sgblack@eecs.umich.edu 0x1: dps_w_ph({{ 22456384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 22466384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_L); 22476384Sgblack@eecs.umich.edu }}, IntMultOp); 22486384Sgblack@eecs.umich.edu 0x2: mulsa_w_ph({{ 22496384Sgblack@eecs.umich.edu dspac = dspMulsa(dspac, Rs.sw, Rt.sw, 22506384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH ); 22516384Sgblack@eecs.umich.edu }}, IntMultOp); 22526384Sgblack@eecs.umich.edu 0x3: dpau_h_qbl({{ 22536384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22546384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_L); 22556384Sgblack@eecs.umich.edu }}, IntMultOp); 22566384Sgblack@eecs.umich.edu 0x4: dpaq_s_w_ph({{ 22576384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 22586384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 22596384Sgblack@eecs.umich.edu SIMD_FMT_W, NOSATURATE, 22606384Sgblack@eecs.umich.edu MODE_L, &dspctl); 22616384Sgblack@eecs.umich.edu }}, IntMultOp); 22626384Sgblack@eecs.umich.edu 0x5: dpsq_s_w_ph({{ 22636384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 22646384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 22656384Sgblack@eecs.umich.edu SIMD_FMT_W, NOSATURATE, 22666384Sgblack@eecs.umich.edu MODE_L, &dspctl); 22676384Sgblack@eecs.umich.edu }}, IntMultOp); 22686384Sgblack@eecs.umich.edu 0x6: mulsaq_s_w_ph({{ 22696384Sgblack@eecs.umich.edu dspac = dspMulsaq(dspac, Rs.sw, Rt.sw, 22706384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 22716384Sgblack@eecs.umich.edu &dspctl); 22726384Sgblack@eecs.umich.edu }}, IntMultOp); 22736384Sgblack@eecs.umich.edu 0x7: dpau_h_qbr({{ 22746384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22756384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_R); 22766384Sgblack@eecs.umich.edu }}, IntMultOp); 22774661Sksewell@umich.edu } 22784661Sksewell@umich.edu } 22794661Sksewell@umich.edu 0x1: decode OP_LO { 22804661Sksewell@umich.edu format DspHiLoOp { 22816384Sgblack@eecs.umich.edu 0x0: dpax_w_ph({{ 22826384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22836384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_X); 22846384Sgblack@eecs.umich.edu }}, IntMultOp); 22856384Sgblack@eecs.umich.edu 0x1: dpsx_w_ph({{ 22866384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 22876384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_X); 22886384Sgblack@eecs.umich.edu }}, IntMultOp); 22896384Sgblack@eecs.umich.edu 0x3: dpsu_h_qbl({{ 22906384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 22916384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_L); 22926384Sgblack@eecs.umich.edu }}, IntMultOp); 22936384Sgblack@eecs.umich.edu 0x4: dpaq_sa_l_w({{ 22946384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 22956384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_W, 22966384Sgblack@eecs.umich.edu SIMD_FMT_L, SATURATE, 22976384Sgblack@eecs.umich.edu MODE_L, &dspctl); 22986384Sgblack@eecs.umich.edu }}, IntMultOp); 22996384Sgblack@eecs.umich.edu 0x5: dpsq_sa_l_w({{ 23006384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 23016384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_W, 23026384Sgblack@eecs.umich.edu SIMD_FMT_L, SATURATE, 23036384Sgblack@eecs.umich.edu MODE_L, &dspctl); 23046384Sgblack@eecs.umich.edu }}, IntMultOp); 23056384Sgblack@eecs.umich.edu 0x7: dpsu_h_qbr({{ 23066384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 23076384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_R); 23086384Sgblack@eecs.umich.edu }}, IntMultOp); 23094661Sksewell@umich.edu } 23104661Sksewell@umich.edu } 23114661Sksewell@umich.edu 0x2: decode OP_LO { 23124661Sksewell@umich.edu format DspHiLoOp { 23136384Sgblack@eecs.umich.edu 0x0: maq_sa_w_phl({{ 23146384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23156384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23166384Sgblack@eecs.umich.edu MODE_L, SATURATE, &dspctl); 23176384Sgblack@eecs.umich.edu }}, IntMultOp); 23186384Sgblack@eecs.umich.edu 0x2: maq_sa_w_phr({{ 23196384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23206384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23216384Sgblack@eecs.umich.edu MODE_R, SATURATE, &dspctl); 23226384Sgblack@eecs.umich.edu }}, IntMultOp); 23236384Sgblack@eecs.umich.edu 0x4: maq_s_w_phl({{ 23246384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23256384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23266384Sgblack@eecs.umich.edu MODE_L, NOSATURATE, &dspctl); 23276384Sgblack@eecs.umich.edu }}, IntMultOp); 23286384Sgblack@eecs.umich.edu 0x6: maq_s_w_phr({{ 23296384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23306384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23316384Sgblack@eecs.umich.edu MODE_R, NOSATURATE, &dspctl); 23326384Sgblack@eecs.umich.edu }}, IntMultOp); 23334661Sksewell@umich.edu } 23344661Sksewell@umich.edu } 23354661Sksewell@umich.edu 0x3: decode OP_LO { 23364661Sksewell@umich.edu format DspHiLoOp { 23376384Sgblack@eecs.umich.edu 0x0: dpaqx_s_w_ph({{ 23386384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 23396384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23406384Sgblack@eecs.umich.edu SIMD_FMT_W, NOSATURATE, 23416384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23426384Sgblack@eecs.umich.edu }}, IntMultOp); 23436384Sgblack@eecs.umich.edu 0x1: dpsqx_s_w_ph({{ 23446384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 23456384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23466384Sgblack@eecs.umich.edu SIMD_FMT_W, NOSATURATE, 23476384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23486384Sgblack@eecs.umich.edu }}, IntMultOp); 23496384Sgblack@eecs.umich.edu 0x2: dpaqx_sa_w_ph({{ 23506384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 23516384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23526384Sgblack@eecs.umich.edu SIMD_FMT_W, SATURATE, 23536384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23546384Sgblack@eecs.umich.edu }}, IntMultOp); 23556384Sgblack@eecs.umich.edu 0x3: dpsqx_sa_w_ph({{ 23566384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 23576384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23586384Sgblack@eecs.umich.edu SIMD_FMT_W, SATURATE, 23596384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23606384Sgblack@eecs.umich.edu }}, IntMultOp); 23614661Sksewell@umich.edu } 23624661Sksewell@umich.edu } 23634661Sksewell@umich.edu } 23644661Sksewell@umich.edu 23654661Sksewell@umich.edu //Table 3.3 MIPS32 APPEND Encoding of the op Field 23664661Sksewell@umich.edu 0x1: decode OP_HI { 23674661Sksewell@umich.edu 0x0: decode OP_LO { 23684661Sksewell@umich.edu format IntOp { 23696384Sgblack@eecs.umich.edu 0x0: append({{ 23706384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw << RD) | bits(Rs.uw, RD - 1, 0); 23716384Sgblack@eecs.umich.edu }}); 23726384Sgblack@eecs.umich.edu 0x1: prepend({{ 23736384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw >> RD) | 23746384Sgblack@eecs.umich.edu (bits(Rs.uw, RD - 1, 0) << (32 - RD)); 23756384Sgblack@eecs.umich.edu }}); 23764661Sksewell@umich.edu } 23774661Sksewell@umich.edu } 23784661Sksewell@umich.edu 0x2: decode OP_LO { 23794661Sksewell@umich.edu format IntOp { 23806384Sgblack@eecs.umich.edu 0x0: balign({{ 23816384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw << (8 * BP)) | 23826384Sgblack@eecs.umich.edu (Rs.uw >> (8 * (4 - BP))); 23836384Sgblack@eecs.umich.edu }}); 23844661Sksewell@umich.edu } 23854661Sksewell@umich.edu } 23864661Sksewell@umich.edu } 23874661Sksewell@umich.edu 23882101SN/A } 23894661Sksewell@umich.edu 0x7: decode FUNCTION_LO { 23904661Sksewell@umich.edu 23916384Sgblack@eecs.umich.edu //Table 5-11 MIPS32 EXTR.W Encoding of the op Field 23926384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 23934661Sksewell@umich.edu 0x0: decode OP_HI { 23944661Sksewell@umich.edu 0x0: decode OP_LO { 23954661Sksewell@umich.edu format DspHiLoOp { 23966384Sgblack@eecs.umich.edu 0x0: extr_w({{ 23976384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, RS, 23986384Sgblack@eecs.umich.edu NOROUND, NOSATURATE, &dspctl); 23996384Sgblack@eecs.umich.edu }}); 24006384Sgblack@eecs.umich.edu 0x1: extrv_w({{ 24016384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, Rs.uw, 24026384Sgblack@eecs.umich.edu NOROUND, NOSATURATE, &dspctl); 24036384Sgblack@eecs.umich.edu }}); 24046384Sgblack@eecs.umich.edu 0x2: extp({{ 24056384Sgblack@eecs.umich.edu Rt.uw = dspExtp(dspac, RS, &dspctl); 24066384Sgblack@eecs.umich.edu }}); 24076384Sgblack@eecs.umich.edu 0x3: extpv({{ 24086384Sgblack@eecs.umich.edu Rt.uw = dspExtp(dspac, Rs.uw, &dspctl); 24096384Sgblack@eecs.umich.edu }}); 24106384Sgblack@eecs.umich.edu 0x4: extr_r_w({{ 24116384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, RS, 24126384Sgblack@eecs.umich.edu ROUND, NOSATURATE, &dspctl); 24136384Sgblack@eecs.umich.edu }}); 24146384Sgblack@eecs.umich.edu 0x5: extrv_r_w({{ 24156384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, Rs.uw, 24166384Sgblack@eecs.umich.edu ROUND, NOSATURATE, &dspctl); 24176384Sgblack@eecs.umich.edu }}); 24186384Sgblack@eecs.umich.edu 0x6: extr_rs_w({{ 24196384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, RS, 24206384Sgblack@eecs.umich.edu ROUND, SATURATE, &dspctl); 24216384Sgblack@eecs.umich.edu }}); 24226384Sgblack@eecs.umich.edu 0x7: extrv_rs_w({{ 24236384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, Rs.uw, 24246384Sgblack@eecs.umich.edu ROUND, SATURATE, &dspctl); 24256384Sgblack@eecs.umich.edu }}); 24264661Sksewell@umich.edu } 24274661Sksewell@umich.edu } 24284661Sksewell@umich.edu 0x1: decode OP_LO { 24294661Sksewell@umich.edu format DspHiLoOp { 24306384Sgblack@eecs.umich.edu 0x2: extpdp({{ 24316384Sgblack@eecs.umich.edu Rt.uw = dspExtpd(dspac, RS, &dspctl); 24326384Sgblack@eecs.umich.edu }}); 24336384Sgblack@eecs.umich.edu 0x3: extpdpv({{ 24346384Sgblack@eecs.umich.edu Rt.uw = dspExtpd(dspac, Rs.uw, &dspctl); 24356384Sgblack@eecs.umich.edu }}); 24366384Sgblack@eecs.umich.edu 0x6: extr_s_h({{ 24376384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_PH, RS, 24386384Sgblack@eecs.umich.edu NOROUND, SATURATE, &dspctl); 24396384Sgblack@eecs.umich.edu }}); 24406384Sgblack@eecs.umich.edu 0x7: extrv_s_h({{ 24416384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_PH, Rs.uw, 24426384Sgblack@eecs.umich.edu NOROUND, SATURATE, &dspctl); 24436384Sgblack@eecs.umich.edu }}); 24444661Sksewell@umich.edu } 24454661Sksewell@umich.edu } 24464661Sksewell@umich.edu 0x2: decode OP_LO { 24474661Sksewell@umich.edu format DspIntOp { 24486384Sgblack@eecs.umich.edu 0x2: rddsp({{ 24496384Sgblack@eecs.umich.edu Rd.uw = readDSPControl(&dspctl, RDDSPMASK); 24506384Sgblack@eecs.umich.edu }}); 24516384Sgblack@eecs.umich.edu 0x3: wrdsp({{ 24526384Sgblack@eecs.umich.edu writeDSPControl(&dspctl, Rs.uw, WRDSPMASK); 24536384Sgblack@eecs.umich.edu }}); 24544661Sksewell@umich.edu } 24554661Sksewell@umich.edu } 24564661Sksewell@umich.edu 0x3: decode OP_LO { 24574661Sksewell@umich.edu format DspHiLoOp { 24586384Sgblack@eecs.umich.edu 0x2: shilo({{ 24596384Sgblack@eecs.umich.edu if (sext<6>(HILOSA) < 0) { 24606384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac << 24616384Sgblack@eecs.umich.edu -sext<6>(HILOSA); 24626384Sgblack@eecs.umich.edu } else { 24636384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac >> 24646384Sgblack@eecs.umich.edu sext<6>(HILOSA); 24656384Sgblack@eecs.umich.edu } 24666384Sgblack@eecs.umich.edu }}); 24676384Sgblack@eecs.umich.edu 0x3: shilov({{ 24686384Sgblack@eecs.umich.edu if (sext<6>(Rs.sw<5:0>) < 0) { 24696384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac << 24706384Sgblack@eecs.umich.edu -sext<6>(Rs.sw<5:0>); 24716384Sgblack@eecs.umich.edu } else { 24726384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac >> 24736384Sgblack@eecs.umich.edu sext<6>(Rs.sw<5:0>); 24746384Sgblack@eecs.umich.edu } 24756384Sgblack@eecs.umich.edu }}); 24766384Sgblack@eecs.umich.edu 0x7: mthlip({{ 24776384Sgblack@eecs.umich.edu dspac = dspac << 32; 24786384Sgblack@eecs.umich.edu dspac |= Rs.uw; 24796384Sgblack@eecs.umich.edu dspctl = insertBits(dspctl, 5, 0, 24806384Sgblack@eecs.umich.edu dspctl<5:0> + 32); 24816384Sgblack@eecs.umich.edu }}); 24824661Sksewell@umich.edu } 24834661Sksewell@umich.edu } 24844661Sksewell@umich.edu } 24856809Sgblack@eecs.umich.edu 0x3: decode OP { 24866810Sgblack@eecs.umich.edu#if FULL_SYSTEM 24876809Sgblack@eecs.umich.edu 0x0: FailUnimpl::rdhwr(); 24886810Sgblack@eecs.umich.edu#else 24896810Sgblack@eecs.umich.edu 0x0: decode RD { 24906810Sgblack@eecs.umich.edu 29: BasicOp::rdhwr({{ Rt = TpValue; }}); 24916810Sgblack@eecs.umich.edu } 24926810Sgblack@eecs.umich.edu#endif 24935222Sksewell@umich.edu } 24944661Sksewell@umich.edu } 24952043SN/A } 24962084SN/A } 24972024SN/A 24982686Sksewell@umich.edu 0x4: decode OPCODE_LO { 24992124SN/A format LoadMemory { 25007708Sgblack@eecs.umich.edu 0x0: lb({{ Rt.sw = Mem.sb; }}); 25017708Sgblack@eecs.umich.edu 0x1: lh({{ Rt.sw = Mem.sh; }}); 25022479SN/A 0x3: lw({{ Rt.sw = Mem.sw; }}); 25037708Sgblack@eecs.umich.edu 0x4: lbu({{ Rt.uw = Mem.ub;}}); 25047708Sgblack@eecs.umich.edu 0x5: lhu({{ Rt.uw = Mem.uh; }}); 25052686Sksewell@umich.edu } 25062495SN/A 25072686Sksewell@umich.edu format LoadUnalignedMemory { 25086384Sgblack@eecs.umich.edu 0x2: lwl({{ 25096384Sgblack@eecs.umich.edu uint32_t mem_shift = 24 - (8 * byte_offset); 25106384Sgblack@eecs.umich.edu Rt.uw = mem_word << mem_shift | (Rt.uw & mask(mem_shift)); 25116384Sgblack@eecs.umich.edu }}); 25126384Sgblack@eecs.umich.edu 0x6: lwr({{ 25136384Sgblack@eecs.umich.edu uint32_t mem_shift = 8 * byte_offset; 25146384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw & (mask(mem_shift) << (32 - mem_shift))) | 25156384Sgblack@eecs.umich.edu (mem_word >> mem_shift); 25166384Sgblack@eecs.umich.edu }}); 25176384Sgblack@eecs.umich.edu } 25182084SN/A } 25192024SN/A 25202686Sksewell@umich.edu 0x5: decode OPCODE_LO { 25212124SN/A format StoreMemory { 25227708Sgblack@eecs.umich.edu 0x0: sb({{ Mem.ub = Rt<7:0>; }}); 25237708Sgblack@eecs.umich.edu 0x1: sh({{ Mem.uh = Rt<15:0>; }}); 25242479SN/A 0x3: sw({{ Mem.uw = Rt<31:0>; }}); 25252084SN/A } 25262024SN/A 25272686Sksewell@umich.edu format StoreUnalignedMemory { 25286384Sgblack@eecs.umich.edu 0x2: swl({{ 25296384Sgblack@eecs.umich.edu uint32_t reg_shift = 24 - (8 * byte_offset); 25306384Sgblack@eecs.umich.edu uint32_t mem_shift = 32 - reg_shift; 25316384Sgblack@eecs.umich.edu mem_word = (mem_word & (mask(reg_shift) << mem_shift)) | 25326384Sgblack@eecs.umich.edu (Rt.uw >> reg_shift); 25336384Sgblack@eecs.umich.edu }}); 25346384Sgblack@eecs.umich.edu 0x6: swr({{ 25356384Sgblack@eecs.umich.edu uint32_t reg_shift = 8 * byte_offset; 25366384Sgblack@eecs.umich.edu mem_word = Rt.uw << reg_shift | 25376384Sgblack@eecs.umich.edu (mem_word & (mask(reg_shift))); 25386384Sgblack@eecs.umich.edu }}); 25392084SN/A } 25405222Sksewell@umich.edu format CP0Control { 25415222Sksewell@umich.edu 0x7: cache({{ 25425254Sksewell@umich.edu //Addr CacheEA = Rs.uw + OFFSET; 25436384Sgblack@eecs.umich.edu //fault = xc->CacheOp((uint8_t)CACHE_OP,(Addr) CacheEA); 25446384Sgblack@eecs.umich.edu }}); 25455222Sksewell@umich.edu } 25462084SN/A } 25472024SN/A 25482686Sksewell@umich.edu 0x6: decode OPCODE_LO { 25492686Sksewell@umich.edu format LoadMemory { 25506076Sgblack@eecs.umich.edu 0x0: ll({{ Rt.uw = Mem.uw; }}, mem_flags=LLSC); 25512686Sksewell@umich.edu 0x1: lwc1({{ Ft.uw = Mem.uw; }}); 25522573SN/A 0x5: ldc1({{ Ft.ud = Mem.ud; }}); 25532084SN/A } 25545222Sksewell@umich.edu 0x2: CP2Unimpl::lwc2(); 25555222Sksewell@umich.edu 0x6: CP2Unimpl::ldc2(); 25562686Sksewell@umich.edu 0x3: Prefetch::pref(); 25572084SN/A } 25582024SN/A 25592239SN/A 25602686Sksewell@umich.edu 0x7: decode OPCODE_LO { 25616384Sgblack@eecs.umich.edu 0x0: StoreCond::sc({{ Mem.uw = Rt.uw; }}, 25622686Sksewell@umich.edu {{ uint64_t tmp = write_result; 25632686Sksewell@umich.edu Rt.uw = (tmp == 0 || tmp == 1) ? tmp : Rt.uw; 25646384Sgblack@eecs.umich.edu }}, mem_flags=LLSC, 25656384Sgblack@eecs.umich.edu inst_flags = IsStoreConditional); 25662686Sksewell@umich.edu format StoreMemory { 25676384Sgblack@eecs.umich.edu 0x1: swc1({{ Mem.uw = Ft.uw; }}); 25686384Sgblack@eecs.umich.edu 0x5: sdc1({{ Mem.ud = Ft.ud; }}); 25692084SN/A } 25705222Sksewell@umich.edu 0x2: CP2Unimpl::swc2(); 25715222Sksewell@umich.edu 0x6: CP2Unimpl::sdc2(); 25722027SN/A } 25732024SN/A} 25742022SN/A 25752027SN/A 2576