decoder.isa revision 7720
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) { 1367720Sgblack@eecs.umich.edu pc.nnpc(Rs); 1376376Sgblack@eecs.umich.edu } else { 1386376Sgblack@eecs.umich.edu panic("MIPS16e not supported\n"); 1396376Sgblack@eecs.umich.edu } 1407720Sgblack@eecs.umich.edu PCS = pc; 1416376Sgblack@eecs.umich.edu }}, IsReturn, ClearHazards); 1426376Sgblack@eecs.umich.edu default: jr({{ 1436376Sgblack@eecs.umich.edu Config1Reg config1 = Config1; 1446376Sgblack@eecs.umich.edu if (config1.ca == 0) { 1457720Sgblack@eecs.umich.edu pc.nnpc(Rs); 1466376Sgblack@eecs.umich.edu } else { 1476376Sgblack@eecs.umich.edu panic("MIPS16e not supported\n"); 1486376Sgblack@eecs.umich.edu } 1497720Sgblack@eecs.umich.edu PCS = pc; 1506376Sgblack@eecs.umich.edu }}, IsReturn); 1512101SN/A } 1522042SN/A 1532101SN/A 0x1: decode HINT { 1547720Sgblack@eecs.umich.edu 0x1: jalr_hb({{ 1557720Sgblack@eecs.umich.edu Rd = pc.nnpc(); 1567720Sgblack@eecs.umich.edu pc.nnpc(Rs); 1577720Sgblack@eecs.umich.edu PCS = pc; 1587720Sgblack@eecs.umich.edu }}, IsCall, ClearHazards); 1597720Sgblack@eecs.umich.edu default: jalr({{ 1607720Sgblack@eecs.umich.edu Rd = pc.nnpc(); 1617720Sgblack@eecs.umich.edu pc.nnpc(Rs); 1627720Sgblack@eecs.umich.edu PCS = pc; 1637720Sgblack@eecs.umich.edu }}, IsCall); 1642101SN/A } 1652101SN/A } 1662042SN/A 1672101SN/A format BasicOp { 1682686Sksewell@umich.edu 0x2: movz({{ Rd = (Rt == 0) ? Rs : Rd; }}); 1692686Sksewell@umich.edu 0x3: movn({{ Rd = (Rt != 0) ? Rs : Rd; }}); 1705222Sksewell@umich.edu#if FULL_SYSTEM 1716384Sgblack@eecs.umich.edu 0x4: syscall({{ fault = new SystemCallFault(); }}); 1725222Sksewell@umich.edu#else 1732965Sksewell@umich.edu 0x4: syscall({{ xc->syscall(R2); }}, 1746037Sksewell@umich.edu IsSerializeAfter, IsNonSpeculative); 1755222Sksewell@umich.edu#endif 1762686Sksewell@umich.edu 0x7: sync({{ ; }}, IsMemBarrier); 1775222Sksewell@umich.edu 0x5: break({{fault = new BreakpointFault();}}); 1782101SN/A } 1792083SN/A 1802043SN/A } 1812025SN/A 1822043SN/A 0x2: decode FUNCTION_LO { 1836384Sgblack@eecs.umich.edu 0x0: HiLoRsSelOp::mfhi({{ Rd = HI_RS_SEL; }}, 1846384Sgblack@eecs.umich.edu IntMultOp, IsIprAccess); 1854661Sksewell@umich.edu 0x1: HiLoRdSelOp::mthi({{ HI_RD_SEL = Rs; }}); 1866384Sgblack@eecs.umich.edu 0x2: HiLoRsSelOp::mflo({{ Rd = LO_RS_SEL; }}, 1876384Sgblack@eecs.umich.edu IntMultOp, IsIprAccess); 1884661Sksewell@umich.edu 0x3: HiLoRdSelOp::mtlo({{ LO_RD_SEL = Rs; }}); 1892083SN/A } 1902025SN/A 1912043SN/A 0x3: decode FUNCTION_LO { 1924661Sksewell@umich.edu format HiLoRdSelValOp { 1935222Sksewell@umich.edu 0x0: mult({{ val = Rs.sd * Rt.sd; }}, IntMultOp); 1945222Sksewell@umich.edu 0x1: multu({{ val = Rs.ud * Rt.ud; }}, IntMultOp); 1954661Sksewell@umich.edu } 1964661Sksewell@umich.edu 1972686Sksewell@umich.edu format HiLoOp { 1986384Sgblack@eecs.umich.edu 0x2: div({{ 1996384Sgblack@eecs.umich.edu if (Rt.sd != 0) { 2006384Sgblack@eecs.umich.edu HI0 = Rs.sd % Rt.sd; 2016384Sgblack@eecs.umich.edu LO0 = Rs.sd / Rt.sd; 2026384Sgblack@eecs.umich.edu } 2035222Sksewell@umich.edu }}, IntDivOp); 2045222Sksewell@umich.edu 2056384Sgblack@eecs.umich.edu 0x3: divu({{ 2066384Sgblack@eecs.umich.edu if (Rt.ud != 0) { 2076384Sgblack@eecs.umich.edu HI0 = Rs.ud % Rt.ud; 2086384Sgblack@eecs.umich.edu LO0 = Rs.ud / Rt.ud; 2096384Sgblack@eecs.umich.edu } 2105222Sksewell@umich.edu }}, IntDivOp); 2112101SN/A } 2122084SN/A } 2132025SN/A 2142495SN/A 0x4: decode HINT { 2152495SN/A 0x0: decode FUNCTION_LO { 2162495SN/A format IntOp { 2176384Sgblack@eecs.umich.edu 0x0: add({{ 2186384Sgblack@eecs.umich.edu /* More complicated since an ADD can cause 2196384Sgblack@eecs.umich.edu an arithmetic overflow exception */ 2206384Sgblack@eecs.umich.edu int64_t Src1 = Rs.sw; 2216384Sgblack@eecs.umich.edu int64_t Src2 = Rt.sw; 2226384Sgblack@eecs.umich.edu int64_t temp_result; 2236384Sgblack@eecs.umich.edu#if FULL_SYSTEM 2246384Sgblack@eecs.umich.edu if (((Src1 >> 31) & 1) == 1) 2256384Sgblack@eecs.umich.edu Src1 |= 0x100000000LL; 2265222Sksewell@umich.edu#endif 2276384Sgblack@eecs.umich.edu temp_result = Src1 + Src2; 2286384Sgblack@eecs.umich.edu#if FULL_SYSTEM 2296384Sgblack@eecs.umich.edu if (bits(temp_result, 31) == 2306384Sgblack@eecs.umich.edu bits(temp_result, 32)) { 2315222Sksewell@umich.edu#endif 2326384Sgblack@eecs.umich.edu Rd.sw = temp_result; 2336384Sgblack@eecs.umich.edu#if FULL_SYSTEM 2346384Sgblack@eecs.umich.edu } else { 2356384Sgblack@eecs.umich.edu fault = new ArithmeticFault(); 2366384Sgblack@eecs.umich.edu } 2375222Sksewell@umich.edu#endif 2386384Sgblack@eecs.umich.edu }}); 2392495SN/A 0x1: addu({{ Rd.sw = Rs.sw + Rt.sw;}}); 2405222Sksewell@umich.edu 0x2: sub({{ 2416384Sgblack@eecs.umich.edu /* More complicated since an SUB can cause 2426384Sgblack@eecs.umich.edu an arithmetic overflow exception */ 2436384Sgblack@eecs.umich.edu int64_t Src1 = Rs.sw; 2446384Sgblack@eecs.umich.edu int64_t Src2 = Rt.sw; 2456384Sgblack@eecs.umich.edu int64_t temp_result = Src1 - Src2; 2465222Sksewell@umich.edu#if FULL_SYSTEM 2476384Sgblack@eecs.umich.edu if (bits(temp_result, 31) == 2486384Sgblack@eecs.umich.edu bits(temp_result, 32)) { 2495222Sksewell@umich.edu#endif 2506384Sgblack@eecs.umich.edu Rd.sw = temp_result; 2515222Sksewell@umich.edu#if FULL_SYSTEM 2526384Sgblack@eecs.umich.edu } else { 2536384Sgblack@eecs.umich.edu fault = new ArithmeticFault(); 2546384Sgblack@eecs.umich.edu } 2555222Sksewell@umich.edu#endif 2566384Sgblack@eecs.umich.edu }}); 2576384Sgblack@eecs.umich.edu 0x3: subu({{ Rd.sw = Rs.sw - Rt.sw; }}); 2586384Sgblack@eecs.umich.edu 0x4: and({{ Rd = Rs & Rt; }}); 2596384Sgblack@eecs.umich.edu 0x5: or({{ Rd = Rs | Rt; }}); 2606384Sgblack@eecs.umich.edu 0x6: xor({{ Rd = Rs ^ Rt; }}); 2616384Sgblack@eecs.umich.edu 0x7: nor({{ Rd = ~(Rs | Rt); }}); 2622495SN/A } 2632101SN/A } 2642043SN/A } 2652025SN/A 2662495SN/A 0x5: decode HINT { 2672495SN/A 0x0: decode FUNCTION_LO { 2682495SN/A format IntOp{ 2696384Sgblack@eecs.umich.edu 0x2: slt({{ Rd.sw = (Rs.sw < Rt.sw) ? 1 : 0 }}); 2706384Sgblack@eecs.umich.edu 0x3: sltu({{ Rd.uw = (Rs.uw < Rt.uw) ? 1 : 0 }}); 2712495SN/A } 2722101SN/A } 2732084SN/A } 2742024SN/A 2752043SN/A 0x6: decode FUNCTION_LO { 2762239SN/A format Trap { 2772239SN/A 0x0: tge({{ cond = (Rs.sw >= Rt.sw); }}); 2782101SN/A 0x1: tgeu({{ cond = (Rs.uw >= Rt.uw); }}); 2792101SN/A 0x2: tlt({{ cond = (Rs.sw < Rt.sw); }}); 2805222Sksewell@umich.edu 0x3: tltu({{ cond = (Rs.uw < Rt.uw); }}); 2812101SN/A 0x4: teq({{ cond = (Rs.sw == Rt.sw); }}); 2822101SN/A 0x6: tne({{ cond = (Rs.sw != Rt.sw); }}); 2832101SN/A } 2842043SN/A } 2852043SN/A } 2862025SN/A 2872043SN/A 0x1: decode REGIMM_HI { 2882043SN/A 0x0: decode REGIMM_LO { 2892101SN/A format Branch { 2902101SN/A 0x0: bltz({{ cond = (Rs.sw < 0); }}); 2912101SN/A 0x1: bgez({{ cond = (Rs.sw >= 0); }}); 2922686Sksewell@umich.edu 0x2: bltzl({{ cond = (Rs.sw < 0); }}, Likely); 2932686Sksewell@umich.edu 0x3: bgezl({{ cond = (Rs.sw >= 0); }}, Likely); 2942101SN/A } 2952043SN/A } 2962025SN/A 2972043SN/A 0x1: decode REGIMM_LO { 2985222Sksewell@umich.edu format TrapImm { 2995222Sksewell@umich.edu 0x0: tgei( {{ cond = (Rs.sw >= (int16_t)INTIMM); }}); 3006384Sgblack@eecs.umich.edu 0x1: tgeiu({{ 3016384Sgblack@eecs.umich.edu cond = (Rs.uw >= (uint32_t)(int32_t)(int16_t)INTIMM); 3026384Sgblack@eecs.umich.edu }}); 3035222Sksewell@umich.edu 0x2: tlti( {{ cond = (Rs.sw < (int16_t)INTIMM); }}); 3046384Sgblack@eecs.umich.edu 0x3: tltiu({{ 3056384Sgblack@eecs.umich.edu cond = (Rs.uw < (uint32_t)(int32_t)(int16_t)INTIMM); 3066384Sgblack@eecs.umich.edu }}); 3076384Sgblack@eecs.umich.edu 0x4: teqi( {{ cond = (Rs.sw == (int16_t)INTIMM); }}); 3086384Sgblack@eecs.umich.edu 0x6: tnei( {{ cond = (Rs.sw != (int16_t)INTIMM); }}); 3092101SN/A } 3102043SN/A } 3112043SN/A 3122043SN/A 0x2: decode REGIMM_LO { 3132101SN/A format Branch { 3142686Sksewell@umich.edu 0x0: bltzal({{ cond = (Rs.sw < 0); }}, Link); 3152686Sksewell@umich.edu 0x1: decode RS { 3162686Sksewell@umich.edu 0x0: bal ({{ cond = 1; }}, IsCall, Link); 3172686Sksewell@umich.edu default: bgezal({{ cond = (Rs.sw >= 0); }}, Link); 3182686Sksewell@umich.edu } 3192686Sksewell@umich.edu 0x2: bltzall({{ cond = (Rs.sw < 0); }}, Link, Likely); 3202686Sksewell@umich.edu 0x3: bgezall({{ cond = (Rs.sw >= 0); }}, Link, Likely); 3212101SN/A } 3222043SN/A } 3232043SN/A 3242043SN/A 0x3: decode REGIMM_LO { 3256384Sgblack@eecs.umich.edu // from Table 5-4 MIPS32 REGIMM Encoding of rt Field 3266384Sgblack@eecs.umich.edu // (DSP ASE MANUAL) 3274661Sksewell@umich.edu 0x4: DspBranch::bposge32({{ cond = (dspctl<5:0> >= 32); }}); 3282101SN/A format WarnUnimpl { 3292101SN/A 0x7: synci(); 3302101SN/A } 3312043SN/A } 3322043SN/A } 3332043SN/A 3342123SN/A format Jump { 3357720Sgblack@eecs.umich.edu 0x2: j({{ 3367720Sgblack@eecs.umich.edu pc.nnpc((pc.npc() & 0xF0000000) | (JMPTARG << 2)); 3377720Sgblack@eecs.umich.edu PCS = pc; 3387720Sgblack@eecs.umich.edu }}); 3397720Sgblack@eecs.umich.edu 0x3: jal({{ 3407720Sgblack@eecs.umich.edu pc.nnpc((pc.npc() & 0xF0000000) | (JMPTARG << 2)); 3417720Sgblack@eecs.umich.edu PCS = pc; 3427720Sgblack@eecs.umich.edu }}, IsCall, Link); 3432043SN/A } 3442043SN/A 3452100SN/A format Branch { 3462686Sksewell@umich.edu 0x4: decode RS_RT { 3472686Sksewell@umich.edu 0x0: b({{ cond = 1; }}); 3482686Sksewell@umich.edu default: beq({{ cond = (Rs.sw == Rt.sw); }}); 3492686Sksewell@umich.edu } 3502239SN/A 0x5: bne({{ cond = (Rs.sw != Rt.sw); }}); 3512686Sksewell@umich.edu 0x6: blez({{ cond = (Rs.sw <= 0); }}); 3522686Sksewell@umich.edu 0x7: bgtz({{ cond = (Rs.sw > 0); }}); 3532043SN/A } 3542084SN/A } 3552024SN/A 3562101SN/A 0x1: decode OPCODE_LO { 3572686Sksewell@umich.edu format IntImmOp { 3585222Sksewell@umich.edu 0x0: addi({{ 3596384Sgblack@eecs.umich.edu int64_t Src1 = Rs.sw; 3606384Sgblack@eecs.umich.edu int64_t Src2 = imm; 3616384Sgblack@eecs.umich.edu int64_t temp_result; 3625222Sksewell@umich.edu#if FULL_SYSTEM 3636384Sgblack@eecs.umich.edu if (((Src1 >> 31) & 1) == 1) 3646384Sgblack@eecs.umich.edu Src1 |= 0x100000000LL; 3655222Sksewell@umich.edu#endif 3666384Sgblack@eecs.umich.edu temp_result = Src1 + Src2; 3675222Sksewell@umich.edu#if FULL_SYSTEM 3686384Sgblack@eecs.umich.edu if (bits(temp_result, 31) == bits(temp_result, 32)) { 3695222Sksewell@umich.edu#endif 3706384Sgblack@eecs.umich.edu Rt.sw = temp_result; 3715222Sksewell@umich.edu#if FULL_SYSTEM 3726384Sgblack@eecs.umich.edu } else { 3736384Sgblack@eecs.umich.edu fault = new ArithmeticFault(); 3746384Sgblack@eecs.umich.edu } 3755222Sksewell@umich.edu#endif 3766384Sgblack@eecs.umich.edu }}); 3776384Sgblack@eecs.umich.edu 0x1: addiu({{ Rt.sw = Rs.sw + imm; }}); 3786384Sgblack@eecs.umich.edu 0x2: slti({{ Rt.sw = (Rs.sw < imm) ? 1 : 0 }}); 3794661Sksewell@umich.edu 3804661Sksewell@umich.edu //Edited to include MIPS AVP Pass/Fail instructions and 3814661Sksewell@umich.edu //default to the sltiu instruction 3824661Sksewell@umich.edu 0x3: decode RS_RT_INTIMM { 3836384Sgblack@eecs.umich.edu 0xabc1: BasicOp::fail({{ 3846384Sgblack@eecs.umich.edu exitSimLoop("AVP/SRVP Test Failed"); 3856384Sgblack@eecs.umich.edu }}); 3866384Sgblack@eecs.umich.edu 0xabc2: BasicOp::pass({{ 3876384Sgblack@eecs.umich.edu exitSimLoop("AVP/SRVP Test Passed"); 3886384Sgblack@eecs.umich.edu }}); 3896384Sgblack@eecs.umich.edu default: sltiu({{ 3906384Sgblack@eecs.umich.edu Rt.uw = (Rs.uw < (uint32_t)sextImm) ? 1 : 0; 3916384Sgblack@eecs.umich.edu }}); 3924661Sksewell@umich.edu } 3934661Sksewell@umich.edu 3946384Sgblack@eecs.umich.edu 0x4: andi({{ Rt.sw = Rs.sw & zextImm; }}); 3956384Sgblack@eecs.umich.edu 0x5: ori({{ Rt.sw = Rs.sw | zextImm; }}); 3966384Sgblack@eecs.umich.edu 0x6: xori({{ Rt.sw = Rs.sw ^ zextImm; }}); 3972495SN/A 3982495SN/A 0x7: decode RS { 3996384Sgblack@eecs.umich.edu 0x0: lui({{ Rt = imm << 16; }}); 4002495SN/A } 4012084SN/A } 4022084SN/A } 4032024SN/A 4042101SN/A 0x2: decode OPCODE_LO { 4052101SN/A //Table A-11 MIPS32 COP0 Encoding of rs Field 4062101SN/A 0x0: decode RS_MSB { 4072101SN/A 0x0: decode RS { 4086384Sgblack@eecs.umich.edu format CP0Control { 4096384Sgblack@eecs.umich.edu 0x0: mfc0({{ 4106384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 4116384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 4126384Sgblack@eecs.umich.edu Rt = CP0_RD_SEL; 4136384Sgblack@eecs.umich.edu /* Hack for PageMask */ 4146384Sgblack@eecs.umich.edu if (RD == 5) { 4156384Sgblack@eecs.umich.edu // PageMask 4166384Sgblack@eecs.umich.edu if (config3.sp == 0 || pageGrain.esp == 0) 4176384Sgblack@eecs.umich.edu Rt &= 0xFFFFE7FF; 4186384Sgblack@eecs.umich.edu } 4196384Sgblack@eecs.umich.edu }}); 4206384Sgblack@eecs.umich.edu 0x4: mtc0({{ 4216384Sgblack@eecs.umich.edu CP0_RD_SEL = Rt; 4226384Sgblack@eecs.umich.edu CauseReg cause = Cause; 4236384Sgblack@eecs.umich.edu IntCtlReg intCtl = IntCtl; 4246384Sgblack@eecs.umich.edu if (RD == 11) { 4256384Sgblack@eecs.umich.edu // Compare 4266384Sgblack@eecs.umich.edu if (cause.ti == 1) { 4276384Sgblack@eecs.umich.edu cause.ti = 0; 4286384Sgblack@eecs.umich.edu int offset = 10; // corresponding to cause.ip0 4296384Sgblack@eecs.umich.edu offset += intCtl.ipti - 2; 4306384Sgblack@eecs.umich.edu replaceBits(cause, offset, offset, 0); 4316384Sgblack@eecs.umich.edu } 4326384Sgblack@eecs.umich.edu } 4336384Sgblack@eecs.umich.edu Cause = cause; 4346384Sgblack@eecs.umich.edu }}); 4356384Sgblack@eecs.umich.edu } 4366384Sgblack@eecs.umich.edu format CP0Unimpl { 4376384Sgblack@eecs.umich.edu 0x1: dmfc0(); 4386384Sgblack@eecs.umich.edu 0x5: dmtc0(); 4396384Sgblack@eecs.umich.edu default: unknown(); 4406384Sgblack@eecs.umich.edu } 4416384Sgblack@eecs.umich.edu format MT_MFTR { 4426384Sgblack@eecs.umich.edu // Decode MIPS MT MFTR instruction into sub-instructions 4434661Sksewell@umich.edu 0x8: decode MT_U { 4446376Sgblack@eecs.umich.edu 0x0: mftc0({{ 4456376Sgblack@eecs.umich.edu data = xc->readRegOtherThread((RT << 3 | SEL) + 4466376Sgblack@eecs.umich.edu Ctrl_Base_DepTag); 4476376Sgblack@eecs.umich.edu }}); 4484661Sksewell@umich.edu 0x1: decode SEL { 4496384Sgblack@eecs.umich.edu 0x0: mftgpr({{ 4506384Sgblack@eecs.umich.edu data = xc->readRegOtherThread(RT); 4516384Sgblack@eecs.umich.edu }}); 4524661Sksewell@umich.edu 0x1: decode RT { 4536383Sgblack@eecs.umich.edu 0x0: mftlo_dsp0({{ data = xc->readRegOtherThread(INTREG_DSP_LO0); }}); 4546383Sgblack@eecs.umich.edu 0x1: mfthi_dsp0({{ data = xc->readRegOtherThread(INTREG_DSP_HI0); }}); 4556383Sgblack@eecs.umich.edu 0x2: mftacx_dsp0({{ data = xc->readRegOtherThread(INTREG_DSP_ACX0); }}); 4566383Sgblack@eecs.umich.edu 0x4: mftlo_dsp1({{ data = xc->readRegOtherThread(INTREG_DSP_LO1); }}); 4576383Sgblack@eecs.umich.edu 0x5: mfthi_dsp1({{ data = xc->readRegOtherThread(INTREG_DSP_HI1); }}); 4586383Sgblack@eecs.umich.edu 0x6: mftacx_dsp1({{ data = xc->readRegOtherThread(INTREG_DSP_ACX1); }}); 4596383Sgblack@eecs.umich.edu 0x8: mftlo_dsp2({{ data = xc->readRegOtherThread(INTREG_DSP_LO2); }}); 4606383Sgblack@eecs.umich.edu 0x9: mfthi_dsp2({{ data = xc->readRegOtherThread(INTREG_DSP_HI2); }}); 4616383Sgblack@eecs.umich.edu 0x10: mftacx_dsp2({{ data = xc->readRegOtherThread(INTREG_DSP_ACX2); }}); 4626383Sgblack@eecs.umich.edu 0x12: mftlo_dsp3({{ data = xc->readRegOtherThread(INTREG_DSP_LO3); }}); 4636383Sgblack@eecs.umich.edu 0x13: mfthi_dsp3({{ data = xc->readRegOtherThread(INTREG_DSP_HI3); }}); 4646383Sgblack@eecs.umich.edu 0x14: mftacx_dsp3({{ data = xc->readRegOtherThread(INTREG_DSP_ACX3); }}); 4656383Sgblack@eecs.umich.edu 0x16: mftdsp({{ data = xc->readRegOtherThread(INTREG_DSP_CONTROL); }}); 4666384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 4672686Sksewell@umich.edu } 4684661Sksewell@umich.edu 0x2: decode MT_H { 4694661Sksewell@umich.edu 0x0: mftc1({{ data = xc->readRegOtherThread(RT + 4704661Sksewell@umich.edu FP_Base_DepTag); 4716384Sgblack@eecs.umich.edu }}); 4724661Sksewell@umich.edu 0x1: mfthc1({{ data = xc->readRegOtherThread(RT + 4734661Sksewell@umich.edu FP_Base_DepTag); 4746384Sgblack@eecs.umich.edu }}); 4756384Sgblack@eecs.umich.edu } 4766384Sgblack@eecs.umich.edu 0x3: cftc1({{ 4776384Sgblack@eecs.umich.edu uint32_t fcsr_val = xc->readRegOtherThread(FLOATREG_FCSR + 4784661Sksewell@umich.edu FP_Base_DepTag); 4796384Sgblack@eecs.umich.edu switch (RT) { 4806384Sgblack@eecs.umich.edu case 0: 4816384Sgblack@eecs.umich.edu data = xc->readRegOtherThread(FLOATREG_FIR + 4826384Sgblack@eecs.umich.edu Ctrl_Base_DepTag); 4836384Sgblack@eecs.umich.edu break; 4846384Sgblack@eecs.umich.edu case 25: 4856384Sgblack@eecs.umich.edu data = (fcsr_val & 0xFE000000 >> 24) | 4866384Sgblack@eecs.umich.edu (fcsr_val & 0x00800000 >> 23); 4876384Sgblack@eecs.umich.edu break; 4886384Sgblack@eecs.umich.edu case 26: 4896384Sgblack@eecs.umich.edu data = fcsr_val & 0x0003F07C; 4906384Sgblack@eecs.umich.edu break; 4916384Sgblack@eecs.umich.edu case 28: 4926384Sgblack@eecs.umich.edu data = (fcsr_val & 0x00000F80) | 4936384Sgblack@eecs.umich.edu (fcsr_val & 0x01000000 >> 21) | 4946384Sgblack@eecs.umich.edu (fcsr_val & 0x00000003); 4956384Sgblack@eecs.umich.edu break; 4966384Sgblack@eecs.umich.edu case 31: 4976384Sgblack@eecs.umich.edu data = fcsr_val; 4986384Sgblack@eecs.umich.edu break; 4996384Sgblack@eecs.umich.edu default: 5006384Sgblack@eecs.umich.edu fatal("FP Control Value (%d) Not Valid"); 5016384Sgblack@eecs.umich.edu } 5026384Sgblack@eecs.umich.edu }}); 5036384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 5042101SN/A } 5056384Sgblack@eecs.umich.edu } 5062686Sksewell@umich.edu } 5072027SN/A 5086384Sgblack@eecs.umich.edu format MT_MTTR { 5096384Sgblack@eecs.umich.edu // Decode MIPS MT MTTR instruction into sub-instructions 5104661Sksewell@umich.edu 0xC: decode MT_U { 5114661Sksewell@umich.edu 0x0: mttc0({{ xc->setRegOtherThread((RD << 3 | SEL) + Ctrl_Base_DepTag, 5124661Sksewell@umich.edu Rt); 5134661Sksewell@umich.edu }}); 5144661Sksewell@umich.edu 0x1: decode SEL { 5154661Sksewell@umich.edu 0x0: mttgpr({{ xc->setRegOtherThread(RD, Rt); }}); 5164661Sksewell@umich.edu 0x1: decode RT { 5176383Sgblack@eecs.umich.edu 0x0: mttlo_dsp0({{ xc->setRegOtherThread(INTREG_DSP_LO0, Rt); 5184661Sksewell@umich.edu }}); 5196383Sgblack@eecs.umich.edu 0x1: mtthi_dsp0({{ xc->setRegOtherThread(INTREG_DSP_HI0, 5204661Sksewell@umich.edu Rt); 5214661Sksewell@umich.edu }}); 5226383Sgblack@eecs.umich.edu 0x2: mttacx_dsp0({{ xc->setRegOtherThread(INTREG_DSP_ACX0, 5234661Sksewell@umich.edu Rt); 5244661Sksewell@umich.edu }}); 5256383Sgblack@eecs.umich.edu 0x4: mttlo_dsp1({{ xc->setRegOtherThread(INTREG_DSP_LO1, 5264661Sksewell@umich.edu Rt); 5274661Sksewell@umich.edu }}); 5286383Sgblack@eecs.umich.edu 0x5: mtthi_dsp1({{ xc->setRegOtherThread(INTREG_DSP_HI1, 5294661Sksewell@umich.edu Rt); 5304661Sksewell@umich.edu }}); 5316383Sgblack@eecs.umich.edu 0x6: mttacx_dsp1({{ xc->setRegOtherThread(INTREG_DSP_ACX1, 5324661Sksewell@umich.edu Rt); 5334661Sksewell@umich.edu }}); 5346383Sgblack@eecs.umich.edu 0x8: mttlo_dsp2({{ xc->setRegOtherThread(INTREG_DSP_LO2, 5354661Sksewell@umich.edu Rt); 5364661Sksewell@umich.edu }}); 5376383Sgblack@eecs.umich.edu 0x9: mtthi_dsp2({{ xc->setRegOtherThread(INTREG_DSP_HI2, 5384661Sksewell@umich.edu Rt); 5394661Sksewell@umich.edu }}); 5406383Sgblack@eecs.umich.edu 0x10: mttacx_dsp2({{ xc->setRegOtherThread(INTREG_DSP_ACX2, 5414661Sksewell@umich.edu Rt); 5424661Sksewell@umich.edu }}); 5436383Sgblack@eecs.umich.edu 0x12: mttlo_dsp3({{ xc->setRegOtherThread(INTREG_DSP_LO3, 5444661Sksewell@umich.edu Rt); 5454661Sksewell@umich.edu }}); 5466383Sgblack@eecs.umich.edu 0x13: mtthi_dsp3({{ xc->setRegOtherThread(INTREG_DSP_HI3, 5474661Sksewell@umich.edu Rt); 5484661Sksewell@umich.edu }}); 5496383Sgblack@eecs.umich.edu 0x14: mttacx_dsp3({{ xc->setRegOtherThread(INTREG_DSP_ACX3, Rt); 5504661Sksewell@umich.edu }}); 5516383Sgblack@eecs.umich.edu 0x16: mttdsp({{ xc->setRegOtherThread(INTREG_DSP_CONTROL, Rt); }}); 5526384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 5535222Sksewell@umich.edu 5544661Sksewell@umich.edu } 5556384Sgblack@eecs.umich.edu 0x2: mttc1({{ 5566384Sgblack@eecs.umich.edu uint64_t data = xc->readRegOtherThread(RD + 5576384Sgblack@eecs.umich.edu FP_Base_DepTag); 5586384Sgblack@eecs.umich.edu data = insertBits(data, top_bit, 5596384Sgblack@eecs.umich.edu bottom_bit, Rt); 5606384Sgblack@eecs.umich.edu xc->setRegOtherThread(RD + FP_Base_DepTag, 5616384Sgblack@eecs.umich.edu data); 5626384Sgblack@eecs.umich.edu }}); 5636384Sgblack@eecs.umich.edu 0x3: cttc1({{ 5646384Sgblack@eecs.umich.edu uint32_t data; 5656384Sgblack@eecs.umich.edu switch (RD) { 5666384Sgblack@eecs.umich.edu case 25: 5676384Sgblack@eecs.umich.edu data = (Rt.uw<7:1> << 25) | // move 31-25 5686384Sgblack@eecs.umich.edu (FCSR & 0x01000000) | // bit 24 5696384Sgblack@eecs.umich.edu (FCSR & 0x004FFFFF); // bit 22-0 5706384Sgblack@eecs.umich.edu break; 5716384Sgblack@eecs.umich.edu case 26: 5726384Sgblack@eecs.umich.edu data = (FCSR & 0xFFFC0000) | // move 31-18 5736384Sgblack@eecs.umich.edu Rt.uw<17:12> << 12 | // bit 17-12 5746384Sgblack@eecs.umich.edu (FCSR & 0x00000F80) << 7 | // bit 11-7 5756384Sgblack@eecs.umich.edu Rt.uw<6:2> << 2 | // bit 6-2 5766384Sgblack@eecs.umich.edu (FCSR & 0x00000002); // bit 1...0 5776384Sgblack@eecs.umich.edu break; 5786384Sgblack@eecs.umich.edu case 28: 5796384Sgblack@eecs.umich.edu data = (FCSR & 0xFE000000) | // move 31-25 5806384Sgblack@eecs.umich.edu Rt.uw<2:2> << 24 | // bit 24 5816384Sgblack@eecs.umich.edu (FCSR & 0x00FFF000) << 23 | // bit 23-12 5826384Sgblack@eecs.umich.edu Rt.uw<11:7> << 7 | // bit 24 5836384Sgblack@eecs.umich.edu (FCSR & 0x000007E) | 5846384Sgblack@eecs.umich.edu Rt.uw<1:0>; // bit 22-0 5856384Sgblack@eecs.umich.edu break; 5866384Sgblack@eecs.umich.edu case 31: 5876384Sgblack@eecs.umich.edu data = Rt.uw; 5886384Sgblack@eecs.umich.edu break; 5896384Sgblack@eecs.umich.edu default: 5906384Sgblack@eecs.umich.edu panic("FP Control Value (%d) " 5916384Sgblack@eecs.umich.edu "Not Available. Ignoring " 5926384Sgblack@eecs.umich.edu "Access to Floating Control " 5936384Sgblack@eecs.umich.edu "Status Register", FS); 5946384Sgblack@eecs.umich.edu } 5956384Sgblack@eecs.umich.edu xc->setRegOtherThread(FLOATREG_FCSR + FP_Base_DepTag, data); 5966384Sgblack@eecs.umich.edu }}); 5976384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 5984661Sksewell@umich.edu } 5994661Sksewell@umich.edu } 6002101SN/A } 6014661Sksewell@umich.edu 0xB: decode RD { 6024661Sksewell@umich.edu format MT_Control { 6034661Sksewell@umich.edu 0x0: decode POS { 6044661Sksewell@umich.edu 0x0: decode SEL { 6054661Sksewell@umich.edu 0x1: decode SC { 6066376Sgblack@eecs.umich.edu 0x0: dvpe({{ 6076376Sgblack@eecs.umich.edu MVPControlReg mvpControl = MVPControl; 6086376Sgblack@eecs.umich.edu VPEConf0Reg vpeConf0 = VPEConf0; 6096376Sgblack@eecs.umich.edu Rt = MVPControl; 6106376Sgblack@eecs.umich.edu if (vpeConf0.mvp == 1) 6116376Sgblack@eecs.umich.edu mvpControl.evp = 0; 6126376Sgblack@eecs.umich.edu MVPControl = mvpControl; 6136376Sgblack@eecs.umich.edu }}); 6146376Sgblack@eecs.umich.edu 0x1: evpe({{ 6156376Sgblack@eecs.umich.edu MVPControlReg mvpControl = MVPControl; 6166376Sgblack@eecs.umich.edu VPEConf0Reg vpeConf0 = VPEConf0; 6176376Sgblack@eecs.umich.edu Rt = MVPControl; 6186376Sgblack@eecs.umich.edu if (vpeConf0.mvp == 1) 6196376Sgblack@eecs.umich.edu mvpControl.evp = 1; 6206376Sgblack@eecs.umich.edu MVPControl = mvpControl; 6216376Sgblack@eecs.umich.edu }}); 6225222Sksewell@umich.edu default:CP0Unimpl::unknown(); 6234661Sksewell@umich.edu } 6246384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6254661Sksewell@umich.edu } 6266384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6276384Sgblack@eecs.umich.edu } 6284661Sksewell@umich.edu 0x1: decode POS { 6294661Sksewell@umich.edu 0xF: decode SEL { 6304661Sksewell@umich.edu 0x1: decode SC { 6316376Sgblack@eecs.umich.edu 0x0: dmt({{ 6326376Sgblack@eecs.umich.edu VPEControlReg vpeControl = VPEControl; 6336376Sgblack@eecs.umich.edu Rt = vpeControl; 6346376Sgblack@eecs.umich.edu vpeControl.te = 0; 6356376Sgblack@eecs.umich.edu VPEControl = vpeControl; 6366376Sgblack@eecs.umich.edu }}); 6376376Sgblack@eecs.umich.edu 0x1: emt({{ 6386376Sgblack@eecs.umich.edu VPEControlReg vpeControl = VPEControl; 6396376Sgblack@eecs.umich.edu Rt = vpeControl; 6406376Sgblack@eecs.umich.edu vpeControl.te = 1; 6416376Sgblack@eecs.umich.edu VPEControl = vpeControl; 6426376Sgblack@eecs.umich.edu }}); 6435222Sksewell@umich.edu default:CP0Unimpl::unknown(); 6444661Sksewell@umich.edu } 6456384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6464661Sksewell@umich.edu } 6475222Sksewell@umich.edu default:CP0Unimpl::unknown(); 6484661Sksewell@umich.edu } 6494661Sksewell@umich.edu } 6504661Sksewell@umich.edu 0xC: decode POS { 6516384Sgblack@eecs.umich.edu 0x0: decode SC { 6526384Sgblack@eecs.umich.edu 0x0: CP0Control::di({{ 6536384Sgblack@eecs.umich.edu StatusReg status = Status; 6546384Sgblack@eecs.umich.edu ConfigReg config = Config; 6556384Sgblack@eecs.umich.edu // Rev 2.0 or beyond? 6566384Sgblack@eecs.umich.edu if (config.ar >= 1) { 6576384Sgblack@eecs.umich.edu Rt = status; 6586384Sgblack@eecs.umich.edu status.ie = 0; 6596384Sgblack@eecs.umich.edu } else { 6606384Sgblack@eecs.umich.edu // Enable this else branch once we 6616384Sgblack@eecs.umich.edu // actually set values for Config on init 6626384Sgblack@eecs.umich.edu fault = new ReservedInstructionFault(); 6636384Sgblack@eecs.umich.edu } 6646384Sgblack@eecs.umich.edu Status = status; 6656384Sgblack@eecs.umich.edu }}); 6666384Sgblack@eecs.umich.edu 0x1: CP0Control::ei({{ 6676384Sgblack@eecs.umich.edu StatusReg status = Status; 6686384Sgblack@eecs.umich.edu ConfigReg config = Config; 6696384Sgblack@eecs.umich.edu if (config.ar >= 1) { 6706384Sgblack@eecs.umich.edu Rt = status; 6716384Sgblack@eecs.umich.edu status.ie = 1; 6726384Sgblack@eecs.umich.edu } else { 6736384Sgblack@eecs.umich.edu fault = new ReservedInstructionFault(); 6746384Sgblack@eecs.umich.edu } 6756384Sgblack@eecs.umich.edu }}); 6766384Sgblack@eecs.umich.edu default:CP0Unimpl::unknown(); 6776384Sgblack@eecs.umich.edu } 6784661Sksewell@umich.edu } 6796384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 6804661Sksewell@umich.edu } 6814661Sksewell@umich.edu format CP0Control { 6824661Sksewell@umich.edu 0xA: rdpgpr({{ 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 { 6884661Sksewell@umich.edu fault = new ReservedInstructionFault(); 6894661Sksewell@umich.edu } 6906376Sgblack@eecs.umich.edu }}); 6914661Sksewell@umich.edu 0xE: wrpgpr({{ 6926376Sgblack@eecs.umich.edu ConfigReg config = Config; 6936376Sgblack@eecs.umich.edu if (config.ar >= 1) { 6946376Sgblack@eecs.umich.edu // Rev 2 of the architecture 6956376Sgblack@eecs.umich.edu panic("Shadow Sets Not Fully Implemented.\n"); 6966376Sgblack@eecs.umich.edu } else { 6976376Sgblack@eecs.umich.edu fault = new ReservedInstructionFault(); 6984661Sksewell@umich.edu } 6996376Sgblack@eecs.umich.edu }}); 7004661Sksewell@umich.edu } 7016384Sgblack@eecs.umich.edu } 7022101SN/A 7032101SN/A //Table A-12 MIPS32 COP0 Encoding of Function Field When rs=CO 7042101SN/A 0x1: decode FUNCTION { 7056384Sgblack@eecs.umich.edu format CP0Control { 7066384Sgblack@eecs.umich.edu 0x18: eret({{ 7076384Sgblack@eecs.umich.edu StatusReg status = Status; 7086384Sgblack@eecs.umich.edu ConfigReg config = Config; 7096384Sgblack@eecs.umich.edu SRSCtlReg srsCtl = SRSCtl; 7106384Sgblack@eecs.umich.edu DPRINTF(MipsPRA,"Restoring PC - %x\n",EPC); 7117720Sgblack@eecs.umich.edu MipsISA::PCState pc = PCS; 7126384Sgblack@eecs.umich.edu if (status.erl == 1) { 7136384Sgblack@eecs.umich.edu status.erl = 0; 7147720Sgblack@eecs.umich.edu pc.npc(ErrorEPC); 7156384Sgblack@eecs.umich.edu // Need to adjust NNPC, otherwise things break 7167720Sgblack@eecs.umich.edu pc.nnpc(ErrorEPC + sizeof(MachInst)); 7176384Sgblack@eecs.umich.edu } else { 7187720Sgblack@eecs.umich.edu pc.npc(EPC); 7196384Sgblack@eecs.umich.edu // Need to adjust NNPC, otherwise things break 7207720Sgblack@eecs.umich.edu pc.nnpc(EPC + sizeof(MachInst)); 7216384Sgblack@eecs.umich.edu status.exl = 0; 7226384Sgblack@eecs.umich.edu if (config.ar >=1 && 7236384Sgblack@eecs.umich.edu srsCtl.hss > 0 && 7246384Sgblack@eecs.umich.edu status.bev == 0) { 7256384Sgblack@eecs.umich.edu srsCtl.css = srsCtl.pss; 7266384Sgblack@eecs.umich.edu //xc->setShadowSet(srsCtl.pss); 7276384Sgblack@eecs.umich.edu } 7286376Sgblack@eecs.umich.edu } 7297720Sgblack@eecs.umich.edu PCS = pc; 7306384Sgblack@eecs.umich.edu LLFlag = 0; 7316384Sgblack@eecs.umich.edu Status = status; 7326384Sgblack@eecs.umich.edu SRSCtl = srsCtl; 7336384Sgblack@eecs.umich.edu }}, IsReturn, IsSerializing, IsERET); 7345222Sksewell@umich.edu 7356384Sgblack@eecs.umich.edu 0x1F: deret({{ 7366384Sgblack@eecs.umich.edu DebugReg debug = Debug; 7377720Sgblack@eecs.umich.edu MipsISA::PCState pc = PCS; 7386384Sgblack@eecs.umich.edu if (debug.dm == 1) { 7396384Sgblack@eecs.umich.edu debug.dm = 1; 7406384Sgblack@eecs.umich.edu debug.iexi = 0; 7417720Sgblack@eecs.umich.edu pc.npc(DEPC); 7426384Sgblack@eecs.umich.edu } else { 7436384Sgblack@eecs.umich.edu // Undefined; 7446384Sgblack@eecs.umich.edu } 7457720Sgblack@eecs.umich.edu PCS = pc; 7466384Sgblack@eecs.umich.edu Debug = debug; 7476384Sgblack@eecs.umich.edu }}, IsReturn, IsSerializing, IsERET); 7486384Sgblack@eecs.umich.edu } 7496384Sgblack@eecs.umich.edu format CP0TLB { 7506384Sgblack@eecs.umich.edu 0x01: tlbr({{ 7516384Sgblack@eecs.umich.edu MipsISA::PTE *PTEntry = 7526384Sgblack@eecs.umich.edu xc->tcBase()->getITBPtr()-> 7536384Sgblack@eecs.umich.edu getEntry(Index & 0x7FFFFFFF); 7546384Sgblack@eecs.umich.edu if (PTEntry == NULL) { 7556384Sgblack@eecs.umich.edu fatal("Invalid PTE Entry received on " 7566384Sgblack@eecs.umich.edu "a TLBR instruction\n"); 7576384Sgblack@eecs.umich.edu } 7586384Sgblack@eecs.umich.edu /* Setup PageMask */ 7596384Sgblack@eecs.umich.edu // If 1KB pages are not enabled, a read of PageMask 7606384Sgblack@eecs.umich.edu // must return 0b00 in bits 12, 11 7616384Sgblack@eecs.umich.edu PageMask = (PTEntry->Mask << 11); 7626384Sgblack@eecs.umich.edu /* Setup EntryHi */ 7636384Sgblack@eecs.umich.edu EntryHi = ((PTEntry->VPN << 11) | (PTEntry->asid)); 7646384Sgblack@eecs.umich.edu /* Setup Entry Lo0 */ 7656384Sgblack@eecs.umich.edu EntryLo0 = ((PTEntry->PFN0 << 6) | 7666384Sgblack@eecs.umich.edu (PTEntry->C0 << 3) | 7676384Sgblack@eecs.umich.edu (PTEntry->D0 << 2) | 7686384Sgblack@eecs.umich.edu (PTEntry->V0 << 1) | 7696384Sgblack@eecs.umich.edu PTEntry->G); 7706384Sgblack@eecs.umich.edu /* Setup Entry Lo1 */ 7716384Sgblack@eecs.umich.edu EntryLo1 = ((PTEntry->PFN1 << 6) | 7726384Sgblack@eecs.umich.edu (PTEntry->C1 << 3) | 7736384Sgblack@eecs.umich.edu (PTEntry->D1 << 2) | 7746384Sgblack@eecs.umich.edu (PTEntry->V1 << 1) | 7756384Sgblack@eecs.umich.edu PTEntry->G); 7766384Sgblack@eecs.umich.edu }}); // Need to hook up to TLB 7775222Sksewell@umich.edu 7786384Sgblack@eecs.umich.edu 0x02: tlbwi({{ 7796384Sgblack@eecs.umich.edu //Create PTE 7806384Sgblack@eecs.umich.edu MipsISA::PTE newEntry; 7816384Sgblack@eecs.umich.edu //Write PTE 7826384Sgblack@eecs.umich.edu newEntry.Mask = (Addr)(PageMask >> 11); 7836384Sgblack@eecs.umich.edu newEntry.VPN = (Addr)(EntryHi >> 11); 7846384Sgblack@eecs.umich.edu /* PageGrain _ ESP Config3 _ SP */ 7856384Sgblack@eecs.umich.edu if (bits(PageGrain, 28) == 0 || bits(Config3, 4) ==0) { 7866384Sgblack@eecs.umich.edu // If 1KB pages are *NOT* enabled, lowest bits of 7876384Sgblack@eecs.umich.edu // the mask are 0b11 for TLB writes 7886384Sgblack@eecs.umich.edu newEntry.Mask |= 0x3; 7896384Sgblack@eecs.umich.edu // Reset bits 0 and 1 if 1KB pages are not enabled 7906384Sgblack@eecs.umich.edu newEntry.VPN &= 0xFFFFFFFC; 7916384Sgblack@eecs.umich.edu } 7926384Sgblack@eecs.umich.edu newEntry.asid = (uint8_t)(EntryHi & 0xFF); 7935222Sksewell@umich.edu 7946384Sgblack@eecs.umich.edu newEntry.PFN0 = (Addr)(EntryLo0 >> 6); 7956384Sgblack@eecs.umich.edu newEntry.PFN1 = (Addr)(EntryLo1 >> 6); 7966384Sgblack@eecs.umich.edu newEntry.D0 = (bool)((EntryLo0 >> 2) & 1); 7976384Sgblack@eecs.umich.edu newEntry.D1 = (bool)((EntryLo1 >> 2) & 1); 7986384Sgblack@eecs.umich.edu newEntry.V1 = (bool)((EntryLo1 >> 1) & 1); 7996384Sgblack@eecs.umich.edu newEntry.V0 = (bool)((EntryLo0 >> 1) & 1); 8006384Sgblack@eecs.umich.edu newEntry.G = (bool)((EntryLo0 & EntryLo1) & 1); 8016384Sgblack@eecs.umich.edu newEntry.C0 = (uint8_t)((EntryLo0 >> 3) & 0x7); 8026384Sgblack@eecs.umich.edu newEntry.C1 = (uint8_t)((EntryLo1 >> 3) & 0x7); 8036384Sgblack@eecs.umich.edu /* Now, compute the AddrShiftAmount and OffsetMask - 8046384Sgblack@eecs.umich.edu TLB optimizations */ 8056384Sgblack@eecs.umich.edu /* Addr Shift Amount for 1KB or larger pages */ 8066384Sgblack@eecs.umich.edu if ((newEntry.Mask & 0xFFFF) == 3) { 8076384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 12; 8086384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFF) == 0x0000) { 8096384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 10; 8106384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFC) == 0x000C) { 8116384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 14; 8126384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFF0) == 0x0030) { 8136384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 16; 8146384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFC0) == 0x00C0) { 8156384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 18; 8166384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFF00) == 0x0300) { 8176384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 20; 8186384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFC00) == 0x0C00) { 8196384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 22; 8206384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xF000) == 0x3000) { 8216384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 24; 8226384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xC000) == 0xC000) { 8236384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 26; 8246384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0x30000) == 0x30000) { 8256384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 28; 8266384Sgblack@eecs.umich.edu } else { 8276384Sgblack@eecs.umich.edu fatal("Invalid Mask Pattern Detected!\n"); 8286384Sgblack@eecs.umich.edu } 8296384Sgblack@eecs.umich.edu newEntry.OffsetMask = 8306384Sgblack@eecs.umich.edu (1 << newEntry.AddrShiftAmount) - 1; 8315222Sksewell@umich.edu 8326384Sgblack@eecs.umich.edu MipsISA::TLB *Ptr = xc->tcBase()->getITBPtr(); 8336384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 8346384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 8356384Sgblack@eecs.umich.edu int SP = 0; 8366384Sgblack@eecs.umich.edu if (bits(config3, config3.sp) == 1 && 8376384Sgblack@eecs.umich.edu bits(pageGrain, pageGrain.esp) == 1) { 8386384Sgblack@eecs.umich.edu SP = 1; 8396384Sgblack@eecs.umich.edu } 8406384Sgblack@eecs.umich.edu IndexReg index = Index; 8416384Sgblack@eecs.umich.edu Ptr->insertAt(newEntry, Index & 0x7FFFFFFF, SP); 8426384Sgblack@eecs.umich.edu }}); 8436384Sgblack@eecs.umich.edu 0x06: tlbwr({{ 8446384Sgblack@eecs.umich.edu //Create PTE 8456384Sgblack@eecs.umich.edu MipsISA::PTE newEntry; 8466384Sgblack@eecs.umich.edu //Write PTE 8476384Sgblack@eecs.umich.edu newEntry.Mask = (Addr)(PageMask >> 11); 8486384Sgblack@eecs.umich.edu newEntry.VPN = (Addr)(EntryHi >> 11); 8496384Sgblack@eecs.umich.edu /* PageGrain _ ESP Config3 _ SP */ 8506384Sgblack@eecs.umich.edu if (bits(PageGrain, 28) == 0 || 8516384Sgblack@eecs.umich.edu bits(Config3, 4) == 0) { 8526384Sgblack@eecs.umich.edu // If 1KB pages are *NOT* enabled, lowest bits of 8536384Sgblack@eecs.umich.edu // the mask are 0b11 for TLB writes 8546384Sgblack@eecs.umich.edu newEntry.Mask |= 0x3; 8556384Sgblack@eecs.umich.edu // Reset bits 0 and 1 if 1KB pages are not enabled 8566384Sgblack@eecs.umich.edu newEntry.VPN &= 0xFFFFFFFC; 8576384Sgblack@eecs.umich.edu } 8586384Sgblack@eecs.umich.edu newEntry.asid = (uint8_t)(EntryHi & 0xFF); 8595222Sksewell@umich.edu 8606384Sgblack@eecs.umich.edu newEntry.PFN0 = (Addr)(EntryLo0 >> 6); 8616384Sgblack@eecs.umich.edu newEntry.PFN1 = (Addr)(EntryLo1 >> 6); 8626384Sgblack@eecs.umich.edu newEntry.D0 = (bool)((EntryLo0 >> 2) & 1); 8636384Sgblack@eecs.umich.edu newEntry.D1 = (bool)((EntryLo1 >> 2) & 1); 8646384Sgblack@eecs.umich.edu newEntry.V1 = (bool)((EntryLo1 >> 1) & 1); 8656384Sgblack@eecs.umich.edu newEntry.V0 = (bool)((EntryLo0 >> 1) & 1); 8666384Sgblack@eecs.umich.edu newEntry.G = (bool)((EntryLo0 & EntryLo1) & 1); 8676384Sgblack@eecs.umich.edu newEntry.C0 = (uint8_t)((EntryLo0 >> 3) & 0x7); 8686384Sgblack@eecs.umich.edu newEntry.C1 = (uint8_t)((EntryLo1 >> 3) & 0x7); 8696384Sgblack@eecs.umich.edu /* Now, compute the AddrShiftAmount and OffsetMask - 8706384Sgblack@eecs.umich.edu TLB optimizations */ 8716384Sgblack@eecs.umich.edu /* Addr Shift Amount for 1KB or larger pages */ 8726384Sgblack@eecs.umich.edu if ((newEntry.Mask & 0xFFFF) == 3){ 8736384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 12; 8746384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFF) == 0x0000) { 8756384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 10; 8766384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFFC) == 0x000C) { 8776384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 14; 8786384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFF0) == 0x0030) { 8796384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 16; 8806384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFFC0) == 0x00C0) { 8816384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 18; 8826384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFF00) == 0x0300) { 8836384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 20; 8846384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xFC00) == 0x0C00) { 8856384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 22; 8866384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xF000) == 0x3000) { 8876384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 24; 8886384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0xC000) == 0xC000) { 8896384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 26; 8906384Sgblack@eecs.umich.edu } else if ((newEntry.Mask & 0x30000) == 0x30000) { 8916384Sgblack@eecs.umich.edu newEntry.AddrShiftAmount = 28; 8926384Sgblack@eecs.umich.edu } else { 8936384Sgblack@eecs.umich.edu fatal("Invalid Mask Pattern Detected!\n"); 8946384Sgblack@eecs.umich.edu } 8956384Sgblack@eecs.umich.edu newEntry.OffsetMask = 8966384Sgblack@eecs.umich.edu (1 << newEntry.AddrShiftAmount) - 1; 8975222Sksewell@umich.edu 8986384Sgblack@eecs.umich.edu MipsISA::TLB *Ptr = xc->tcBase()->getITBPtr(); 8996384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 9006384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 9016384Sgblack@eecs.umich.edu int SP = 0; 9026384Sgblack@eecs.umich.edu if (bits(config3, config3.sp) == 1 && 9036384Sgblack@eecs.umich.edu bits(pageGrain, pageGrain.esp) == 1) { 9046384Sgblack@eecs.umich.edu SP = 1; 9056384Sgblack@eecs.umich.edu } 9066384Sgblack@eecs.umich.edu IndexReg index = Index; 9076384Sgblack@eecs.umich.edu Ptr->insertAt(newEntry, Random, SP); 9086384Sgblack@eecs.umich.edu }}); 9092101SN/A 9106384Sgblack@eecs.umich.edu 0x08: tlbp({{ 9116384Sgblack@eecs.umich.edu Config3Reg config3 = Config3; 9126384Sgblack@eecs.umich.edu PageGrainReg pageGrain = PageGrain; 9136384Sgblack@eecs.umich.edu EntryHiReg entryHi = EntryHi; 9146384Sgblack@eecs.umich.edu int tlbIndex; 9156384Sgblack@eecs.umich.edu Addr vpn; 9166384Sgblack@eecs.umich.edu if (pageGrain.esp == 1 && config3.sp ==1) { 9176384Sgblack@eecs.umich.edu vpn = EntryHi >> 11; 9186384Sgblack@eecs.umich.edu } else { 9196384Sgblack@eecs.umich.edu // Mask off lower 2 bits 9206384Sgblack@eecs.umich.edu vpn = ((EntryHi >> 11) & 0xFFFFFFFC); 9216384Sgblack@eecs.umich.edu } 9226384Sgblack@eecs.umich.edu tlbIndex = xc->tcBase()->getITBPtr()-> 9236385Sgblack@eecs.umich.edu probeEntry(vpn, entryHi.asid); 9246384Sgblack@eecs.umich.edu // Check TLB for entry matching EntryHi 9256384Sgblack@eecs.umich.edu if (tlbIndex != -1) { 9266384Sgblack@eecs.umich.edu Index = tlbIndex; 9276384Sgblack@eecs.umich.edu } else { 9286384Sgblack@eecs.umich.edu // else, set Index = 1 << 31 9296384Sgblack@eecs.umich.edu Index = (1 << 31); 9306384Sgblack@eecs.umich.edu } 9316384Sgblack@eecs.umich.edu }}); 9326384Sgblack@eecs.umich.edu } 9336384Sgblack@eecs.umich.edu format CP0Unimpl { 9346384Sgblack@eecs.umich.edu 0x20: wait(); 9356384Sgblack@eecs.umich.edu } 9366384Sgblack@eecs.umich.edu default: CP0Unimpl::unknown(); 9372101SN/A } 9382043SN/A } 9392027SN/A 9402101SN/A //Table A-13 MIPS32 COP1 Encoding of rs Field 9412101SN/A 0x1: decode RS_MSB { 9422101SN/A 0x0: decode RS_HI { 9432101SN/A 0x0: decode RS_LO { 9442686Sksewell@umich.edu format CP1Control { 9452742Sksewell@umich.edu 0x0: mfc1 ({{ Rt.uw = Fs.uw; }}); 9462495SN/A 9472495SN/A 0x2: cfc1({{ 9486384Sgblack@eecs.umich.edu switch (FS) { 9492573SN/A case 0: 9502616SN/A Rt = FIR; 9512573SN/A break; 9522573SN/A case 25: 9536384Sgblack@eecs.umich.edu Rt = (FCSR & 0xFE000000) >> 24 | 9546384Sgblack@eecs.umich.edu (FCSR & 0x00800000) >> 23; 9552573SN/A break; 9562573SN/A case 26: 9576384Sgblack@eecs.umich.edu Rt = (FCSR & 0x0003F07C); 9582573SN/A break; 9592573SN/A case 28: 9606384Sgblack@eecs.umich.edu Rt = (FCSR & 0x00000F80) | 9616384Sgblack@eecs.umich.edu (FCSR & 0x01000000) >> 21 | 9626384Sgblack@eecs.umich.edu (FCSR & 0x00000003); 9632573SN/A break; 9642573SN/A case 31: 9652616SN/A Rt = FCSR; 9662573SN/A break; 9672573SN/A default: 9685222Sksewell@umich.edu warn("FP Control Value (%d) Not Valid"); 9692573SN/A } 9702573SN/A }}); 9712573SN/A 9726384Sgblack@eecs.umich.edu 0x3: mfhc1({{ Rt.uw = Fs.ud<63:32>; }}); 9732686Sksewell@umich.edu 9746384Sgblack@eecs.umich.edu 0x4: mtc1({{ Fs.uw = Rt.uw; }}); 9752686Sksewell@umich.edu 9762573SN/A 0x6: ctc1({{ 9776384Sgblack@eecs.umich.edu switch (FS) { 9782573SN/A case 25: 9796384Sgblack@eecs.umich.edu FCSR = (Rt.uw<7:1> << 25) | // move 31-25 9806384Sgblack@eecs.umich.edu (FCSR & 0x01000000) | // bit 24 9816384Sgblack@eecs.umich.edu (FCSR & 0x004FFFFF); // bit 22-0 9822573SN/A break; 9832573SN/A case 26: 9846384Sgblack@eecs.umich.edu FCSR = (FCSR & 0xFFFC0000) | // move 31-18 9856384Sgblack@eecs.umich.edu Rt.uw<17:12> << 12 | // bit 17-12 9866384Sgblack@eecs.umich.edu (FCSR & 0x00000F80) << 7 | // bit 11-7 9876384Sgblack@eecs.umich.edu Rt.uw<6:2> << 2 | // bit 6-2 9886384Sgblack@eecs.umich.edu (FCSR & 0x00000002); // bit 1-0 9892573SN/A break; 9902573SN/A case 28: 9916384Sgblack@eecs.umich.edu FCSR = (FCSR & 0xFE000000) | // move 31-25 9926384Sgblack@eecs.umich.edu Rt.uw<2:2> << 24 | // bit 24 9936384Sgblack@eecs.umich.edu (FCSR & 0x00FFF000) << 23 | // bit 23-12 9946384Sgblack@eecs.umich.edu Rt.uw<11:7> << 7 | // bit 24 9956384Sgblack@eecs.umich.edu (FCSR & 0x000007E) | 9966384Sgblack@eecs.umich.edu Rt.uw<1:0>; // bit 22-0 9972573SN/A break; 9982573SN/A case 31: 9996384Sgblack@eecs.umich.edu FCSR = Rt.uw; 10002573SN/A break; 10012573SN/A 10022573SN/A default: 10036384Sgblack@eecs.umich.edu panic("FP Control Value (%d) " 10046384Sgblack@eecs.umich.edu "Not Available. Ignoring Access " 10056384Sgblack@eecs.umich.edu "to Floating Control Status " 10066384Sgblack@eecs.umich.edu "Register", FS); 10072495SN/A } 10082495SN/A }}); 10092686Sksewell@umich.edu 10102686Sksewell@umich.edu 0x7: mthc1({{ 10112686Sksewell@umich.edu uint64_t fs_hi = Rt.uw; 10122686Sksewell@umich.edu uint64_t fs_lo = Fs.ud & 0x0FFFFFFFF; 10132686Sksewell@umich.edu Fs.ud = (fs_hi << 32) | fs_lo; 10142686Sksewell@umich.edu }}); 10152686Sksewell@umich.edu 10162101SN/A } 10175222Sksewell@umich.edu format CP1Unimpl { 10185222Sksewell@umich.edu 0x1: dmfc1(); 10195222Sksewell@umich.edu 0x5: dmtc1(); 10205222Sksewell@umich.edu } 10216384Sgblack@eecs.umich.edu } 10222025SN/A 10236384Sgblack@eecs.umich.edu 0x1: decode RS_LO { 10246384Sgblack@eecs.umich.edu 0x0: decode ND { 10256384Sgblack@eecs.umich.edu format Branch { 10266384Sgblack@eecs.umich.edu 0x0: decode TF { 10276384Sgblack@eecs.umich.edu 0x0: bc1f({{ 10286384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 0; 10296384Sgblack@eecs.umich.edu }}); 10306384Sgblack@eecs.umich.edu 0x1: bc1t({{ 10316384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 1; 10326384Sgblack@eecs.umich.edu }}); 10336384Sgblack@eecs.umich.edu } 10346384Sgblack@eecs.umich.edu 0x1: decode TF { 10356384Sgblack@eecs.umich.edu 0x0: bc1fl({{ 10366384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 0; 10376384Sgblack@eecs.umich.edu }}, Likely); 10386384Sgblack@eecs.umich.edu 0x1: bc1tl({{ 10396384Sgblack@eecs.umich.edu cond = getCondCode(FCSR, BRANCH_CC) == 1; 10406384Sgblack@eecs.umich.edu }}, Likely); 10416384Sgblack@eecs.umich.edu } 10426384Sgblack@eecs.umich.edu } 10436384Sgblack@eecs.umich.edu } 10446384Sgblack@eecs.umich.edu format CP1Unimpl { 10456384Sgblack@eecs.umich.edu 0x1: bc1any2(); 10466384Sgblack@eecs.umich.edu 0x2: bc1any4(); 10476384Sgblack@eecs.umich.edu default: unknown(); 10486384Sgblack@eecs.umich.edu } 10496384Sgblack@eecs.umich.edu } 10502043SN/A } 10512027SN/A 10522101SN/A 0x1: decode RS_HI { 10532101SN/A 0x2: decode RS_LO { 10546384Sgblack@eecs.umich.edu //Table A-14 MIPS32 COP1 Encoding of Function Field When 10556384Sgblack@eecs.umich.edu //rs=S (( single-precision floating point)) 10562572SN/A 0x0: decode FUNCTION_HI { 10572572SN/A 0x0: decode FUNCTION_LO { 10582101SN/A format FloatOp { 10596384Sgblack@eecs.umich.edu 0x0: add_s({{ Fd.sf = Fs.sf + Ft.sf; }}); 10606384Sgblack@eecs.umich.edu 0x1: sub_s({{ Fd.sf = Fs.sf - Ft.sf; }}); 10616384Sgblack@eecs.umich.edu 0x2: mul_s({{ Fd.sf = Fs.sf * Ft.sf; }}); 10626384Sgblack@eecs.umich.edu 0x3: div_s({{ Fd.sf = Fs.sf / Ft.sf; }}); 10636384Sgblack@eecs.umich.edu 0x4: sqrt_s({{ Fd.sf = sqrt(Fs.sf); }}); 10646384Sgblack@eecs.umich.edu 0x5: abs_s({{ Fd.sf = fabs(Fs.sf); }}); 10656384Sgblack@eecs.umich.edu 0x7: neg_s({{ Fd.sf = -Fs.sf; }}); 10662101SN/A } 10676384Sgblack@eecs.umich.edu 0x6: BasicOp::mov_s({{ Fd.sf = Fs.sf; }}); 10682101SN/A } 10692572SN/A 0x1: decode FUNCTION_LO { 10702686Sksewell@umich.edu format FloatConvertOp { 10716384Sgblack@eecs.umich.edu 0x0: round_l_s({{ val = Fs.sf; }}, 10726384Sgblack@eecs.umich.edu ToLong, Round); 10736384Sgblack@eecs.umich.edu 0x1: trunc_l_s({{ val = Fs.sf; }}, 10746384Sgblack@eecs.umich.edu ToLong, Trunc); 10756384Sgblack@eecs.umich.edu 0x2: ceil_l_s({{ val = Fs.sf;}}, 10766384Sgblack@eecs.umich.edu ToLong, Ceil); 10776384Sgblack@eecs.umich.edu 0x3: floor_l_s({{ val = Fs.sf; }}, 10786384Sgblack@eecs.umich.edu ToLong, Floor); 10796384Sgblack@eecs.umich.edu 0x4: round_w_s({{ val = Fs.sf; }}, 10806384Sgblack@eecs.umich.edu ToWord, Round); 10816384Sgblack@eecs.umich.edu 0x5: trunc_w_s({{ val = Fs.sf; }}, 10826384Sgblack@eecs.umich.edu ToWord, Trunc); 10836384Sgblack@eecs.umich.edu 0x6: ceil_w_s({{ val = Fs.sf; }}, 10846384Sgblack@eecs.umich.edu ToWord, Ceil); 10856384Sgblack@eecs.umich.edu 0x7: floor_w_s({{ val = Fs.sf; }}, 10866384Sgblack@eecs.umich.edu ToWord, Floor); 10872101SN/A } 10882101SN/A } 10892027SN/A 10902572SN/A 0x2: decode FUNCTION_LO { 10912101SN/A 0x1: decode MOVCF { 10922686Sksewell@umich.edu format BasicOp { 10936384Sgblack@eecs.umich.edu 0x0: movf_s({{ 10946384Sgblack@eecs.umich.edu Fd = (getCondCode(FCSR,CC) == 0) ? 10956384Sgblack@eecs.umich.edu Fs : Fd; 10966384Sgblack@eecs.umich.edu }}); 10976384Sgblack@eecs.umich.edu 0x1: movt_s({{ 10986384Sgblack@eecs.umich.edu Fd = (getCondCode(FCSR,CC) == 1) ? 10996384Sgblack@eecs.umich.edu Fs : Fd; 11006384Sgblack@eecs.umich.edu }}); 11012101SN/A } 11022101SN/A } 11032027SN/A 11042686Sksewell@umich.edu format BasicOp { 11052686Sksewell@umich.edu 0x2: movz_s({{ Fd = (Rt == 0) ? Fs : Fd; }}); 11062686Sksewell@umich.edu 0x3: movn_s({{ Fd = (Rt != 0) ? Fs : Fd; }}); 11072686Sksewell@umich.edu } 11082686Sksewell@umich.edu 11092602SN/A format FloatOp { 11102602SN/A 0x5: recip_s({{ Fd = 1 / Fs; }}); 11116384Sgblack@eecs.umich.edu 0x6: rsqrt_s({{ Fd = 1 / sqrt(Fs); }}); 11122101SN/A } 11135222Sksewell@umich.edu format CP1Unimpl { 11146384Sgblack@eecs.umich.edu default: unknown(); 11155222Sksewell@umich.edu } 11162101SN/A } 11175222Sksewell@umich.edu 0x3: CP1Unimpl::unknown(); 11182027SN/A 11192572SN/A 0x4: decode FUNCTION_LO { 11202603SN/A format FloatConvertOp { 11212686Sksewell@umich.edu 0x1: cvt_d_s({{ val = Fs.sf; }}, ToDouble); 11222686Sksewell@umich.edu 0x4: cvt_w_s({{ val = Fs.sf; }}, ToWord); 11232686Sksewell@umich.edu 0x5: cvt_l_s({{ val = Fs.sf; }}, ToLong); 11242101SN/A } 11252055SN/A 11262686Sksewell@umich.edu 0x6: FloatOp::cvt_ps_s({{ 11276384Sgblack@eecs.umich.edu Fd.ud = (uint64_t) Fs.uw << 32 | 11286384Sgblack@eecs.umich.edu (uint64_t) Ft.uw; 11296384Sgblack@eecs.umich.edu }}); 11305222Sksewell@umich.edu format CP1Unimpl { 11316384Sgblack@eecs.umich.edu default: unknown(); 11325222Sksewell@umich.edu } 11332101SN/A } 11345222Sksewell@umich.edu 0x5: CP1Unimpl::unknown(); 11352602SN/A 11362602SN/A 0x6: decode FUNCTION_LO { 11372603SN/A format FloatCompareOp { 11386384Sgblack@eecs.umich.edu 0x0: c_f_s({{ cond = 0; }}, 11396384Sgblack@eecs.umich.edu SinglePrecision, UnorderedFalse); 11406384Sgblack@eecs.umich.edu 0x1: c_un_s({{ cond = 0; }}, 11416384Sgblack@eecs.umich.edu SinglePrecision, UnorderedTrue); 11422686Sksewell@umich.edu 0x2: c_eq_s({{ cond = (Fs.sf == Ft.sf); }}, 11432686Sksewell@umich.edu UnorderedFalse); 11442686Sksewell@umich.edu 0x3: c_ueq_s({{ cond = (Fs.sf == Ft.sf); }}, 11452686Sksewell@umich.edu UnorderedTrue); 11462686Sksewell@umich.edu 0x4: c_olt_s({{ cond = (Fs.sf < Ft.sf); }}, 11472686Sksewell@umich.edu UnorderedFalse); 11482686Sksewell@umich.edu 0x5: c_ult_s({{ cond = (Fs.sf < Ft.sf); }}, 11492686Sksewell@umich.edu UnorderedTrue); 11502686Sksewell@umich.edu 0x6: c_ole_s({{ cond = (Fs.sf <= Ft.sf); }}, 11512686Sksewell@umich.edu UnorderedFalse); 11522686Sksewell@umich.edu 0x7: c_ule_s({{ cond = (Fs.sf <= Ft.sf); }}, 11532686Sksewell@umich.edu UnorderedTrue); 11542602SN/A } 11552602SN/A } 11562602SN/A 11572602SN/A 0x7: decode FUNCTION_LO { 11582686Sksewell@umich.edu format FloatCompareOp { 11592686Sksewell@umich.edu 0x0: c_sf_s({{ cond = 0; }}, SinglePrecision, 11602686Sksewell@umich.edu UnorderedFalse, QnanException); 11612686Sksewell@umich.edu 0x1: c_ngle_s({{ cond = 0; }}, SinglePrecision, 11622686Sksewell@umich.edu UnorderedTrue, QnanException); 11636384Sgblack@eecs.umich.edu 0x2: c_seq_s({{ cond = (Fs.sf == Ft.sf); }}, 11642686Sksewell@umich.edu UnorderedFalse, QnanException); 11652686Sksewell@umich.edu 0x3: c_ngl_s({{ cond = (Fs.sf == Ft.sf); }}, 11662686Sksewell@umich.edu UnorderedTrue, QnanException); 11672686Sksewell@umich.edu 0x4: c_lt_s({{ cond = (Fs.sf < Ft.sf); }}, 11682686Sksewell@umich.edu UnorderedFalse, QnanException); 11692686Sksewell@umich.edu 0x5: c_nge_s({{ cond = (Fs.sf < Ft.sf); }}, 11702686Sksewell@umich.edu UnorderedTrue, QnanException); 11712686Sksewell@umich.edu 0x6: c_le_s({{ cond = (Fs.sf <= Ft.sf); }}, 11722686Sksewell@umich.edu UnorderedFalse, QnanException); 11732686Sksewell@umich.edu 0x7: c_ngt_s({{ cond = (Fs.sf <= Ft.sf); }}, 11742686Sksewell@umich.edu UnorderedTrue, QnanException); 11752602SN/A } 11762602SN/A } 11772101SN/A } 11782055SN/A 11796384Sgblack@eecs.umich.edu //Table A-15 MIPS32 COP1 Encoding of Function Field When 11806384Sgblack@eecs.umich.edu //rs=D 11812572SN/A 0x1: decode FUNCTION_HI { 11822572SN/A 0x0: decode FUNCTION_LO { 11832101SN/A format FloatOp { 11842686Sksewell@umich.edu 0x0: add_d({{ Fd.df = Fs.df + Ft.df; }}); 11852686Sksewell@umich.edu 0x1: sub_d({{ Fd.df = Fs.df - Ft.df; }}); 11862686Sksewell@umich.edu 0x2: mul_d({{ Fd.df = Fs.df * Ft.df; }}); 11872686Sksewell@umich.edu 0x3: div_d({{ Fd.df = Fs.df / Ft.df; }}); 11886384Sgblack@eecs.umich.edu 0x4: sqrt_d({{ Fd.df = sqrt(Fs.df); }}); 11896384Sgblack@eecs.umich.edu 0x5: abs_d({{ Fd.df = fabs(Fs.df); }}); 11906384Sgblack@eecs.umich.edu 0x7: neg_d({{ Fd.df = -1 * Fs.df; }}); 11912101SN/A } 11926384Sgblack@eecs.umich.edu 0x6: BasicOp::mov_d({{ Fd.df = Fs.df; }}); 11932101SN/A } 11942027SN/A 11952572SN/A 0x1: decode FUNCTION_LO { 11962686Sksewell@umich.edu format FloatConvertOp { 11976384Sgblack@eecs.umich.edu 0x0: round_l_d({{ val = Fs.df; }}, 11986384Sgblack@eecs.umich.edu ToLong, Round); 11996384Sgblack@eecs.umich.edu 0x1: trunc_l_d({{ val = Fs.df; }}, 12006384Sgblack@eecs.umich.edu ToLong, Trunc); 12016384Sgblack@eecs.umich.edu 0x2: ceil_l_d({{ val = Fs.df; }}, 12026384Sgblack@eecs.umich.edu ToLong, Ceil); 12036384Sgblack@eecs.umich.edu 0x3: floor_l_d({{ val = Fs.df; }}, 12046384Sgblack@eecs.umich.edu ToLong, Floor); 12056384Sgblack@eecs.umich.edu 0x4: round_w_d({{ val = Fs.df; }}, 12066384Sgblack@eecs.umich.edu ToWord, Round); 12076384Sgblack@eecs.umich.edu 0x5: trunc_w_d({{ val = Fs.df; }}, 12086384Sgblack@eecs.umich.edu ToWord, Trunc); 12096384Sgblack@eecs.umich.edu 0x6: ceil_w_d({{ val = Fs.df; }}, 12106384Sgblack@eecs.umich.edu ToWord, Ceil); 12116384Sgblack@eecs.umich.edu 0x7: floor_w_d({{ val = Fs.df; }}, 12126384Sgblack@eecs.umich.edu ToWord, Floor); 12132101SN/A } 12142101SN/A } 12152027SN/A 12162572SN/A 0x2: decode FUNCTION_LO { 12172101SN/A 0x1: decode MOVCF { 12182686Sksewell@umich.edu format BasicOp { 12196384Sgblack@eecs.umich.edu 0x0: movf_d({{ 12206384Sgblack@eecs.umich.edu Fd.df = (getCondCode(FCSR,CC) == 0) ? 12212686Sksewell@umich.edu Fs.df : Fd.df; 12226384Sgblack@eecs.umich.edu }}); 12236384Sgblack@eecs.umich.edu 0x1: movt_d({{ 12246384Sgblack@eecs.umich.edu Fd.df = (getCondCode(FCSR,CC) == 1) ? 12252686Sksewell@umich.edu Fs.df : Fd.df; 12266384Sgblack@eecs.umich.edu }}); 12272101SN/A } 12282101SN/A } 12292027SN/A 12302101SN/A format BasicOp { 12316384Sgblack@eecs.umich.edu 0x2: movz_d({{ 12326384Sgblack@eecs.umich.edu Fd.df = (Rt == 0) ? Fs.df : Fd.df; 12336384Sgblack@eecs.umich.edu }}); 12346384Sgblack@eecs.umich.edu 0x3: movn_d({{ 12356384Sgblack@eecs.umich.edu Fd.df = (Rt != 0) ? Fs.df : Fd.df; 12366384Sgblack@eecs.umich.edu }}); 12372101SN/A } 12382027SN/A 12392605SN/A format FloatOp { 12406384Sgblack@eecs.umich.edu 0x5: recip_d({{ Fd.df = 1 / Fs.df; }}); 12416384Sgblack@eecs.umich.edu 0x6: rsqrt_d({{ Fd.df = 1 / sqrt(Fs.df); }}); 12422101SN/A } 12435222Sksewell@umich.edu format CP1Unimpl { 12446384Sgblack@eecs.umich.edu default: unknown(); 12455222Sksewell@umich.edu } 12465222Sksewell@umich.edu 12472101SN/A } 12482572SN/A 0x4: decode FUNCTION_LO { 12492686Sksewell@umich.edu format FloatConvertOp { 12502686Sksewell@umich.edu 0x0: cvt_s_d({{ val = Fs.df; }}, ToSingle); 12512686Sksewell@umich.edu 0x4: cvt_w_d({{ val = Fs.df; }}, ToWord); 12522686Sksewell@umich.edu 0x5: cvt_l_d({{ val = Fs.df; }}, ToLong); 12532101SN/A } 12546384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 12552101SN/A } 12562602SN/A 12572602SN/A 0x6: decode FUNCTION_LO { 12582604SN/A format FloatCompareOp { 12596384Sgblack@eecs.umich.edu 0x0: c_f_d({{ cond = 0; }}, 12606384Sgblack@eecs.umich.edu DoublePrecision, UnorderedFalse); 12616384Sgblack@eecs.umich.edu 0x1: c_un_d({{ cond = 0; }}, 12626384Sgblack@eecs.umich.edu DoublePrecision, UnorderedTrue); 12632686Sksewell@umich.edu 0x2: c_eq_d({{ cond = (Fs.df == Ft.df); }}, 12642686Sksewell@umich.edu UnorderedFalse); 12652686Sksewell@umich.edu 0x3: c_ueq_d({{ cond = (Fs.df == Ft.df); }}, 12662686Sksewell@umich.edu UnorderedTrue); 12672686Sksewell@umich.edu 0x4: c_olt_d({{ cond = (Fs.df < Ft.df); }}, 12682686Sksewell@umich.edu UnorderedFalse); 12692686Sksewell@umich.edu 0x5: c_ult_d({{ cond = (Fs.df < Ft.df); }}, 12702686Sksewell@umich.edu UnorderedTrue); 12712686Sksewell@umich.edu 0x6: c_ole_d({{ cond = (Fs.df <= Ft.df); }}, 12722686Sksewell@umich.edu UnorderedFalse); 12732686Sksewell@umich.edu 0x7: c_ule_d({{ cond = (Fs.df <= Ft.df); }}, 12742686Sksewell@umich.edu UnorderedTrue); 12752602SN/A } 12762602SN/A } 12772602SN/A 12782602SN/A 0x7: decode FUNCTION_LO { 12792686Sksewell@umich.edu format FloatCompareOp { 12802686Sksewell@umich.edu 0x0: c_sf_d({{ cond = 0; }}, DoublePrecision, 12812686Sksewell@umich.edu UnorderedFalse, QnanException); 12822686Sksewell@umich.edu 0x1: c_ngle_d({{ cond = 0; }}, DoublePrecision, 12832686Sksewell@umich.edu UnorderedTrue, QnanException); 12842686Sksewell@umich.edu 0x2: c_seq_d({{ cond = (Fs.df == Ft.df); }}, 12852686Sksewell@umich.edu UnorderedFalse, QnanException); 12862686Sksewell@umich.edu 0x3: c_ngl_d({{ cond = (Fs.df == Ft.df); }}, 12872686Sksewell@umich.edu UnorderedTrue, QnanException); 12882686Sksewell@umich.edu 0x4: c_lt_d({{ cond = (Fs.df < Ft.df); }}, 12892686Sksewell@umich.edu UnorderedFalse, QnanException); 12902686Sksewell@umich.edu 0x5: c_nge_d({{ cond = (Fs.df < Ft.df); }}, 12912686Sksewell@umich.edu UnorderedTrue, QnanException); 12922686Sksewell@umich.edu 0x6: c_le_d({{ cond = (Fs.df <= Ft.df); }}, 12932686Sksewell@umich.edu UnorderedFalse, QnanException); 12942686Sksewell@umich.edu 0x7: c_ngt_d({{ cond = (Fs.df <= Ft.df); }}, 12952686Sksewell@umich.edu UnorderedTrue, QnanException); 12962602SN/A } 12972602SN/A } 12986384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 12992101SN/A } 13005222Sksewell@umich.edu 0x2: CP1Unimpl::unknown(); 13015222Sksewell@umich.edu 0x3: CP1Unimpl::unknown(); 13025222Sksewell@umich.edu 0x7: CP1Unimpl::unknown(); 13032027SN/A 13046384Sgblack@eecs.umich.edu //Table A-16 MIPS32 COP1 Encoding of Function 13056384Sgblack@eecs.umich.edu //Field When rs=W 13062101SN/A 0x4: decode FUNCTION { 13072605SN/A format FloatConvertOp { 13082686Sksewell@umich.edu 0x20: cvt_s_w({{ val = Fs.uw; }}, ToSingle); 13092686Sksewell@umich.edu 0x21: cvt_d_w({{ val = Fs.uw; }}, ToDouble); 13105222Sksewell@umich.edu 0x26: CP1Unimpl::cvt_ps_w(); 13112101SN/A } 13126384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13132101SN/A } 13142027SN/A 13156384Sgblack@eecs.umich.edu //Table A-16 MIPS32 COP1 Encoding of Function Field 13166384Sgblack@eecs.umich.edu //When rs=L1 13176384Sgblack@eecs.umich.edu //Note: "1. Format type L is legal only if 64-bit 13186384Sgblack@eecs.umich.edu //floating point operations are enabled." 13192101SN/A 0x5: decode FUNCTION_HI { 13202686Sksewell@umich.edu format FloatConvertOp { 13212686Sksewell@umich.edu 0x20: cvt_s_l({{ val = Fs.ud; }}, ToSingle); 13222686Sksewell@umich.edu 0x21: cvt_d_l({{ val = Fs.ud; }}, ToDouble); 13235222Sksewell@umich.edu 0x26: CP1Unimpl::cvt_ps_l(); 13242101SN/A } 13256384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13262101SN/A } 13272101SN/A 13286384Sgblack@eecs.umich.edu //Table A-17 MIPS64 COP1 Encoding of Function Field 13296384Sgblack@eecs.umich.edu //When rs=PS1 13306384Sgblack@eecs.umich.edu //Note: "1. Format type PS is legal only if 64-bit 13316384Sgblack@eecs.umich.edu //floating point operations are enabled. " 13322572SN/A 0x6: decode FUNCTION_HI { 13332572SN/A 0x0: decode FUNCTION_LO { 13342101SN/A format Float64Op { 13352605SN/A 0x0: add_ps({{ 13362607SN/A Fd1.sf = Fs1.sf + Ft2.sf; 13372607SN/A Fd2.sf = Fs2.sf + Ft2.sf; 13382101SN/A }}); 13392605SN/A 0x1: sub_ps({{ 13402607SN/A Fd1.sf = Fs1.sf - Ft2.sf; 13412607SN/A Fd2.sf = Fs2.sf - Ft2.sf; 13422101SN/A }}); 13432605SN/A 0x2: mul_ps({{ 13442607SN/A Fd1.sf = Fs1.sf * Ft2.sf; 13452607SN/A Fd2.sf = Fs2.sf * Ft2.sf; 13462101SN/A }}); 13472605SN/A 0x5: abs_ps({{ 13482607SN/A Fd1.sf = fabs(Fs1.sf); 13492607SN/A Fd2.sf = fabs(Fs2.sf); 13502101SN/A }}); 13512605SN/A 0x6: mov_ps({{ 13522607SN/A Fd1.sf = Fs1.sf; 13532607SN/A Fd2.sf = Fs2.sf; 13542101SN/A }}); 13552605SN/A 0x7: neg_ps({{ 13562686Sksewell@umich.edu Fd1.sf = -(Fs1.sf); 13572686Sksewell@umich.edu Fd2.sf = -(Fs2.sf); 13582101SN/A }}); 13596384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13602101SN/A } 13612101SN/A } 13625222Sksewell@umich.edu 0x1: CP1Unimpl::unknown(); 13632572SN/A 0x2: decode FUNCTION_LO { 13642101SN/A 0x1: decode MOVCF { 13652101SN/A format Float64Op { 13662607SN/A 0x0: movf_ps({{ 13672686Sksewell@umich.edu Fd1 = (getCondCode(FCSR, CC) == 0) ? 13682686Sksewell@umich.edu Fs1 : Fd1; 13692686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC+1) == 0) ? 13702686Sksewell@umich.edu Fs2 : Fd2; 13712607SN/A }}); 13722607SN/A 0x1: movt_ps({{ 13732686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC) == 1) ? 13742686Sksewell@umich.edu Fs1 : Fd1; 13752686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC+1) == 1) ? 13762686Sksewell@umich.edu Fs2 : Fd2; 13772607SN/A }}); 13782101SN/A } 13792101SN/A } 13802101SN/A 13812605SN/A format Float64Op { 13822607SN/A 0x2: movz_ps({{ 13832686Sksewell@umich.edu Fd1 = (getCondCode(FCSR, CC) == 0) ? 13842686Sksewell@umich.edu Fs1 : Fd1; 13852686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC) == 0) ? 13862686Sksewell@umich.edu Fs2 : Fd2; 13872607SN/A }}); 13882607SN/A 0x3: movn_ps({{ 13892686Sksewell@umich.edu Fd1 = (getCondCode(FCSR, CC) == 1) ? 13902686Sksewell@umich.edu Fs1 : Fd1; 13912686Sksewell@umich.edu Fd2 = (getCondCode(FCSR, CC) == 1) ? 13922686Sksewell@umich.edu Fs2 : Fd2; 13932607SN/A }}); 13942135SN/A } 13956384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 13962101SN/A } 13975222Sksewell@umich.edu 0x3: CP1Unimpl::unknown(); 13982572SN/A 0x4: decode FUNCTION_LO { 13992686Sksewell@umich.edu 0x0: FloatOp::cvt_s_pu({{ Fd.sf = Fs2.sf; }}); 14005222Sksewell@umich.edu default: CP1Unimpl::unknown(); 14012101SN/A } 14022101SN/A 14032572SN/A 0x5: decode FUNCTION_LO { 14042686Sksewell@umich.edu 0x0: FloatOp::cvt_s_pl({{ Fd.sf = Fs1.sf; }}); 14052101SN/A format Float64Op { 14066384Sgblack@eecs.umich.edu 0x4: pll({{ 14076384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs1.uw << 32 | Ft1.uw; 14086384Sgblack@eecs.umich.edu }}); 14096384Sgblack@eecs.umich.edu 0x5: plu({{ 14106384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs1.uw << 32 | Ft2.uw; 14116384Sgblack@eecs.umich.edu }}); 14126384Sgblack@eecs.umich.edu 0x6: pul({{ 14136384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs2.uw << 32 | Ft1.uw; 14146384Sgblack@eecs.umich.edu }}); 14156384Sgblack@eecs.umich.edu 0x7: puu({{ 14166384Sgblack@eecs.umich.edu Fd.ud = (uint64_t)Fs2.uw << 32 | Ft2.uw; 14176384Sgblack@eecs.umich.edu }}); 14182101SN/A } 14195222Sksewell@umich.edu default: CP1Unimpl::unknown(); 14202101SN/A } 14212602SN/A 14222602SN/A 0x6: decode FUNCTION_LO { 14232608SN/A format FloatPSCompareOp { 14242686Sksewell@umich.edu 0x0: c_f_ps({{ cond1 = 0; }}, {{ cond2 = 0; }}, 14252686Sksewell@umich.edu UnorderedFalse); 14262686Sksewell@umich.edu 0x1: c_un_ps({{ cond1 = 0; }}, {{ cond2 = 0; }}, 14272686Sksewell@umich.edu UnorderedTrue); 14282686Sksewell@umich.edu 0x2: c_eq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14292686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14302686Sksewell@umich.edu UnorderedFalse); 14312686Sksewell@umich.edu 0x3: c_ueq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14322686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14332686Sksewell@umich.edu UnorderedTrue); 14342686Sksewell@umich.edu 0x4: c_olt_ps({{ cond1 = (Fs1.sf < Ft1.sf); }}, 14352686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14362686Sksewell@umich.edu UnorderedFalse); 14372686Sksewell@umich.edu 0x5: c_ult_ps({{ cond1 = (Fs.sf < Ft.sf); }}, 14382686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14392686Sksewell@umich.edu UnorderedTrue); 14402686Sksewell@umich.edu 0x6: c_ole_ps({{ cond1 = (Fs.sf <= Ft.sf); }}, 14412686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14422686Sksewell@umich.edu UnorderedFalse); 14432686Sksewell@umich.edu 0x7: c_ule_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }}, 14442686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14452686Sksewell@umich.edu UnorderedTrue); 14462602SN/A } 14472602SN/A } 14482602SN/A 14492602SN/A 0x7: decode FUNCTION_LO { 14502686Sksewell@umich.edu format FloatPSCompareOp { 14512686Sksewell@umich.edu 0x0: c_sf_ps({{ cond1 = 0; }}, {{ cond2 = 0; }}, 14522686Sksewell@umich.edu UnorderedFalse, QnanException); 14532686Sksewell@umich.edu 0x1: c_ngle_ps({{ cond1 = 0; }}, 14542686Sksewell@umich.edu {{ cond2 = 0; }}, 14552686Sksewell@umich.edu UnorderedTrue, QnanException); 14562686Sksewell@umich.edu 0x2: c_seq_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14572686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14582686Sksewell@umich.edu UnorderedFalse, QnanException); 14592686Sksewell@umich.edu 0x3: c_ngl_ps({{ cond1 = (Fs1.sf == Ft1.sf); }}, 14602686Sksewell@umich.edu {{ cond2 = (Fs2.sf == Ft2.sf); }}, 14612686Sksewell@umich.edu UnorderedTrue, QnanException); 14622686Sksewell@umich.edu 0x4: c_lt_ps({{ cond1 = (Fs1.sf < Ft1.sf); }}, 14632686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14642686Sksewell@umich.edu UnorderedFalse, QnanException); 14652686Sksewell@umich.edu 0x5: c_nge_ps({{ cond1 = (Fs1.sf < Ft1.sf); }}, 14662686Sksewell@umich.edu {{ cond2 = (Fs2.sf < Ft2.sf); }}, 14672686Sksewell@umich.edu UnorderedTrue, QnanException); 14682686Sksewell@umich.edu 0x6: c_le_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }}, 14692686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14702686Sksewell@umich.edu UnorderedFalse, QnanException); 14712686Sksewell@umich.edu 0x7: c_ngt_ps({{ cond1 = (Fs1.sf <= Ft1.sf); }}, 14722686Sksewell@umich.edu {{ cond2 = (Fs2.sf <= Ft2.sf); }}, 14732686Sksewell@umich.edu UnorderedTrue, QnanException); 14742602SN/A } 14752602SN/A } 14762101SN/A } 14772101SN/A } 14786384Sgblack@eecs.umich.edu default: CP1Unimpl::unknown(); 14792101SN/A } 14802101SN/A } 14812101SN/A 14822101SN/A //Table A-19 MIPS32 COP2 Encoding of rs Field 14832101SN/A 0x2: decode RS_MSB { 14845222Sksewell@umich.edu format CP2Unimpl { 14852686Sksewell@umich.edu 0x0: decode RS_HI { 14862686Sksewell@umich.edu 0x0: decode RS_LO { 14872101SN/A 0x0: mfc2(); 14882101SN/A 0x2: cfc2(); 14892101SN/A 0x3: mfhc2(); 14902101SN/A 0x4: mtc2(); 14912101SN/A 0x6: ctc2(); 14922101SN/A 0x7: mftc2(); 14936384Sgblack@eecs.umich.edu default: unknown(); 14942101SN/A } 14952101SN/A 14962686Sksewell@umich.edu 0x1: decode ND { 14972686Sksewell@umich.edu 0x0: decode TF { 14982101SN/A 0x0: bc2f(); 14992101SN/A 0x1: bc2t(); 15006384Sgblack@eecs.umich.edu default: unknown(); 15012101SN/A } 15022101SN/A 15032686Sksewell@umich.edu 0x1: decode TF { 15042101SN/A 0x0: bc2fl(); 15052101SN/A 0x1: bc2tl(); 15066384Sgblack@eecs.umich.edu default: unknown(); 15072101SN/A } 15086384Sgblack@eecs.umich.edu default: unknown(); 15095222Sksewell@umich.edu 15106384Sgblack@eecs.umich.edu } 15116384Sgblack@eecs.umich.edu default: unknown(); 15126384Sgblack@eecs.umich.edu } 15136384Sgblack@eecs.umich.edu default: unknown(); 15142101SN/A } 15152101SN/A } 15162101SN/A 15172101SN/A //Table A-20 MIPS64 COP1X Encoding of Function Field 1 15182101SN/A //Note: "COP1X instructions are legal only if 64-bit floating point 15192101SN/A //operations are enabled." 15202101SN/A 0x3: decode FUNCTION_HI { 15212101SN/A 0x0: decode FUNCTION_LO { 15222686Sksewell@umich.edu format LoadIndexedMemory { 15236384Sgblack@eecs.umich.edu 0x0: lwxc1({{ Fd.uw = Mem.uw; }}); 15246384Sgblack@eecs.umich.edu 0x1: ldxc1({{ Fd.ud = Mem.ud; }}); 15256384Sgblack@eecs.umich.edu 0x5: luxc1({{ Fd.ud = Mem.ud; }}, 15262742Sksewell@umich.edu {{ EA = (Rs + Rt) & ~7; }}); 15272101SN/A } 15282043SN/A } 15292027SN/A 15302101SN/A 0x1: decode FUNCTION_LO { 15312686Sksewell@umich.edu format StoreIndexedMemory { 15326384Sgblack@eecs.umich.edu 0x0: swxc1({{ Mem.uw = Fs.uw; }}); 15336384Sgblack@eecs.umich.edu 0x1: sdxc1({{ Mem.ud = Fs.ud; }}); 15346384Sgblack@eecs.umich.edu 0x5: suxc1({{ Mem.ud = Fs.ud; }}, 15352742Sksewell@umich.edu {{ EA = (Rs + Rt) & ~7; }}); 15362046SN/A } 15372686Sksewell@umich.edu 0x7: Prefetch::prefx({{ EA = Rs + Rt; }}); 15382101SN/A } 15392027SN/A 15402686Sksewell@umich.edu 0x3: decode FUNCTION_LO { 15416384Sgblack@eecs.umich.edu 0x6: Float64Op::alnv_ps({{ 15426384Sgblack@eecs.umich.edu if (Rs<2:0> == 0) { 15436384Sgblack@eecs.umich.edu Fd.ud = Fs.ud; 15446384Sgblack@eecs.umich.edu } else if (Rs<2:0> == 4) { 15456384Sgblack@eecs.umich.edu#if BYTE_ORDER == BIG_ENDIAN 15466384Sgblack@eecs.umich.edu Fd.ud = Fs.ud<31:0> << 32 | Ft.ud<63:32>; 15476384Sgblack@eecs.umich.edu#elif BYTE_ORDER == LITTLE_ENDIAN 15486384Sgblack@eecs.umich.edu Fd.ud = Ft.ud<31:0> << 32 | Fs.ud<63:32>; 15496384Sgblack@eecs.umich.edu#endif 15506384Sgblack@eecs.umich.edu } else { 15516384Sgblack@eecs.umich.edu Fd.ud = Fd.ud; 15526384Sgblack@eecs.umich.edu } 15536384Sgblack@eecs.umich.edu }}); 15542686Sksewell@umich.edu } 15552027SN/A 15562686Sksewell@umich.edu format FloatAccOp { 15572686Sksewell@umich.edu 0x4: decode FUNCTION_LO { 15582686Sksewell@umich.edu 0x0: madd_s({{ Fd.sf = (Fs.sf * Ft.sf) + Fr.sf; }}); 15592686Sksewell@umich.edu 0x1: madd_d({{ Fd.df = (Fs.df * Ft.df) + Fr.df; }}); 15602686Sksewell@umich.edu 0x6: madd_ps({{ 15612686Sksewell@umich.edu Fd1.sf = (Fs1.df * Ft1.df) + Fr1.df; 15622686Sksewell@umich.edu Fd2.sf = (Fs2.df * Ft2.df) + Fr2.df; 15632686Sksewell@umich.edu }}); 15642686Sksewell@umich.edu } 15652027SN/A 15662686Sksewell@umich.edu 0x5: decode FUNCTION_LO { 15672686Sksewell@umich.edu 0x0: msub_s({{ Fd.sf = (Fs.sf * Ft.sf) - Fr.sf; }}); 15682686Sksewell@umich.edu 0x1: msub_d({{ Fd.df = (Fs.df * Ft.df) - Fr.df; }}); 15692686Sksewell@umich.edu 0x6: msub_ps({{ 15702686Sksewell@umich.edu Fd1.sf = (Fs1.df * Ft1.df) - Fr1.df; 15712686Sksewell@umich.edu Fd2.sf = (Fs2.df * Ft2.df) - Fr2.df; 15722686Sksewell@umich.edu }}); 15732686Sksewell@umich.edu } 15742027SN/A 15752686Sksewell@umich.edu 0x6: decode FUNCTION_LO { 15762686Sksewell@umich.edu 0x0: nmadd_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }}); 15772686Sksewell@umich.edu 0x1: nmadd_d({{ Fd.df = (-1 * Fs.df * Ft.df) + Fr.df; }}); 15782686Sksewell@umich.edu 0x6: nmadd_ps({{ 15792686Sksewell@umich.edu Fd1.sf = -((Fs1.df * Ft1.df) + Fr1.df); 15802686Sksewell@umich.edu Fd2.sf = -((Fs2.df * Ft2.df) + Fr2.df); 15812686Sksewell@umich.edu }}); 15822686Sksewell@umich.edu } 15832027SN/A 15842686Sksewell@umich.edu 0x7: decode FUNCTION_LO { 15852686Sksewell@umich.edu 0x0: nmsub_s({{ Fd.sf = (-1 * Fs.sf * Ft.sf) - Fr.sf; }}); 15862686Sksewell@umich.edu 0x1: nmsub_d({{ Fd.df = (-1 * Fs.df * Ft.df) - Fr.df; }}); 15872686Sksewell@umich.edu 0x6: nmsub_ps({{ 15882686Sksewell@umich.edu Fd1.sf = -((Fs1.df * Ft1.df) - Fr1.df); 15892686Sksewell@umich.edu Fd2.sf = -((Fs2.df * Ft2.df) - Fr2.df); 15902686Sksewell@umich.edu }}); 15912046SN/A } 15922101SN/A } 15932043SN/A } 15942025SN/A 15952686Sksewell@umich.edu format Branch { 15962686Sksewell@umich.edu 0x4: beql({{ cond = (Rs.sw == Rt.sw); }}, Likely); 15972686Sksewell@umich.edu 0x5: bnel({{ cond = (Rs.sw != Rt.sw); }}, Likely); 15982686Sksewell@umich.edu 0x6: blezl({{ cond = (Rs.sw <= 0); }}, Likely); 15992686Sksewell@umich.edu 0x7: bgtzl({{ cond = (Rs.sw > 0); }}, Likely); 16002046SN/A } 16012084SN/A } 16022024SN/A 16032686Sksewell@umich.edu 0x3: decode OPCODE_LO { 16042043SN/A //Table A-5 MIPS32 SPECIAL2 Encoding of Function Field 16052043SN/A 0x4: decode FUNCTION_HI { 16062686Sksewell@umich.edu 0x0: decode FUNCTION_LO { 16076384Sgblack@eecs.umich.edu 0x2: IntOp::mul({{ 16086384Sgblack@eecs.umich.edu int64_t temp1 = Rs.sd * Rt.sd; 16096384Sgblack@eecs.umich.edu Rd.sw = temp1<31:0>; 16106384Sgblack@eecs.umich.edu }}, IntMultOp); 16112027SN/A 16124661Sksewell@umich.edu format HiLoRdSelValOp { 16136384Sgblack@eecs.umich.edu 0x0: madd({{ 16146384Sgblack@eecs.umich.edu val = ((int64_t)HI_RD_SEL << 32 | LO_RD_SEL) + 16156384Sgblack@eecs.umich.edu (Rs.sd * Rt.sd); 16166384Sgblack@eecs.umich.edu }}, IntMultOp); 16176384Sgblack@eecs.umich.edu 0x1: maddu({{ 16186384Sgblack@eecs.umich.edu val = ((uint64_t)HI_RD_SEL << 32 | LO_RD_SEL) + 16196384Sgblack@eecs.umich.edu (Rs.ud * Rt.ud); 16206384Sgblack@eecs.umich.edu }}, IntMultOp); 16216384Sgblack@eecs.umich.edu 0x4: msub({{ 16226384Sgblack@eecs.umich.edu val = ((int64_t)HI_RD_SEL << 32 | LO_RD_SEL) - 16236384Sgblack@eecs.umich.edu (Rs.sd * Rt.sd); 16246384Sgblack@eecs.umich.edu }}, IntMultOp); 16256384Sgblack@eecs.umich.edu 0x5: msubu({{ 16266384Sgblack@eecs.umich.edu val = ((uint64_t)HI_RD_SEL << 32 | LO_RD_SEL) - 16276384Sgblack@eecs.umich.edu (Rs.ud * Rt.ud); 16286384Sgblack@eecs.umich.edu }}, IntMultOp); 16292043SN/A } 16302043SN/A } 16312027SN/A 16322043SN/A 0x4: decode FUNCTION_LO { 16332101SN/A format BasicOp { 16346384Sgblack@eecs.umich.edu 0x0: clz({{ 16356384Sgblack@eecs.umich.edu int cnt = 32; 16366384Sgblack@eecs.umich.edu for (int idx = 31; idx >= 0; idx--) { 16376384Sgblack@eecs.umich.edu if (Rs<idx:idx> == 1) { 16386384Sgblack@eecs.umich.edu cnt = 31 - idx; 16396384Sgblack@eecs.umich.edu break; 16406384Sgblack@eecs.umich.edu } 16416384Sgblack@eecs.umich.edu } 16426384Sgblack@eecs.umich.edu Rd.uw = cnt; 16436384Sgblack@eecs.umich.edu }}); 16446384Sgblack@eecs.umich.edu 0x1: clo({{ 16456384Sgblack@eecs.umich.edu int cnt = 32; 16466384Sgblack@eecs.umich.edu for (int idx = 31; idx >= 0; idx--) { 16476384Sgblack@eecs.umich.edu if (Rs<idx:idx> == 0) { 16486384Sgblack@eecs.umich.edu cnt = 31 - idx; 16496384Sgblack@eecs.umich.edu break; 16506384Sgblack@eecs.umich.edu } 16516384Sgblack@eecs.umich.edu } 16526384Sgblack@eecs.umich.edu Rd.uw = cnt; 16536384Sgblack@eecs.umich.edu }}); 16542101SN/A } 16552043SN/A } 16562027SN/A 16572043SN/A 0x7: decode FUNCTION_LO { 16582686Sksewell@umich.edu 0x7: FailUnimpl::sdbbp(); 16592043SN/A } 16602043SN/A } 16612024SN/A 16622686Sksewell@umich.edu //Table A-6 MIPS32 SPECIAL3 Encoding of Function Field for Release 2 16632686Sksewell@umich.edu //of the Architecture 16642043SN/A 0x7: decode FUNCTION_HI { 16652101SN/A 0x0: decode FUNCTION_LO { 16662686Sksewell@umich.edu format BasicOp { 16672742Sksewell@umich.edu 0x0: ext({{ Rt.uw = bits(Rs.uw, MSB+LSB, LSB); }}); 16686384Sgblack@eecs.umich.edu 0x4: ins({{ 16696384Sgblack@eecs.umich.edu Rt.uw = bits(Rt.uw, 31, MSB+1) << (MSB+1) | 16706384Sgblack@eecs.umich.edu bits(Rs.uw, MSB-LSB, 0) << LSB | 16716384Sgblack@eecs.umich.edu bits(Rt.uw, LSB-1, 0); 16726384Sgblack@eecs.umich.edu }}); 16732046SN/A } 16742101SN/A } 16752026SN/A 16762101SN/A 0x1: decode FUNCTION_LO { 16774661Sksewell@umich.edu format MT_Control { 16786384Sgblack@eecs.umich.edu 0x0: fork({{ 16796384Sgblack@eecs.umich.edu forkThread(xc->tcBase(), fault, RD, Rs, Rt); 16806384Sgblack@eecs.umich.edu }}, UserMode); 16816384Sgblack@eecs.umich.edu 0x1: yield({{ 16826384Sgblack@eecs.umich.edu Rd.sw = yieldThread(xc->tcBase(), fault, Rs.sw, 16836384Sgblack@eecs.umich.edu YQMask); 16846384Sgblack@eecs.umich.edu }}, UserMode); 16854661Sksewell@umich.edu } 16864661Sksewell@umich.edu 16874661Sksewell@umich.edu //Table 5-9 MIPS32 LX Encoding of the op Field (DSP ASE MANUAL) 16884661Sksewell@umich.edu 0x2: decode OP_HI { 16894661Sksewell@umich.edu 0x0: decode OP_LO { 16904661Sksewell@umich.edu format LoadIndexedMemory { 16914661Sksewell@umich.edu 0x0: lwx({{ Rd.sw = Mem.sw; }}); 16924661Sksewell@umich.edu 0x4: lhx({{ Rd.sw = Mem.sh; }}); 16934661Sksewell@umich.edu 0x6: lbux({{ Rd.uw = Mem.ub; }}); 16944661Sksewell@umich.edu } 16954661Sksewell@umich.edu } 16964661Sksewell@umich.edu } 16976384Sgblack@eecs.umich.edu 0x4: DspIntOp::insv({{ 16986384Sgblack@eecs.umich.edu int pos = dspctl<5:0>; 16996384Sgblack@eecs.umich.edu int size = dspctl<12:7> - 1; 17006384Sgblack@eecs.umich.edu Rt.uw = insertBits(Rt.uw, pos+size, 17016384Sgblack@eecs.umich.edu pos, Rs.uw<size:0>); 17026384Sgblack@eecs.umich.edu }}); 17034661Sksewell@umich.edu } 17044661Sksewell@umich.edu 17054661Sksewell@umich.edu 0x2: decode FUNCTION_LO { 17064661Sksewell@umich.edu 17076384Sgblack@eecs.umich.edu //Table 5-5 MIPS32 ADDU.QB Encoding of the op Field 17086384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 17094661Sksewell@umich.edu 0x0: decode OP_HI { 17104661Sksewell@umich.edu 0x0: decode OP_LO { 17114661Sksewell@umich.edu format DspIntOp { 17126384Sgblack@eecs.umich.edu 0x0: addu_qb({{ 17136384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_QB, 17146384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17156384Sgblack@eecs.umich.edu }}); 17166384Sgblack@eecs.umich.edu 0x1: subu_qb({{ 17176384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_QB, 17186384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17196384Sgblack@eecs.umich.edu }}); 17206384Sgblack@eecs.umich.edu 0x4: addu_s_qb({{ 17216384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_QB, 17226384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17236384Sgblack@eecs.umich.edu }}); 17246384Sgblack@eecs.umich.edu 0x5: subu_s_qb({{ 17256384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_QB, 17266384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17276384Sgblack@eecs.umich.edu }}); 17286384Sgblack@eecs.umich.edu 0x6: muleu_s_ph_qbl({{ 17296384Sgblack@eecs.umich.edu Rd.uw = dspMuleu(Rs.uw, Rt.uw, 17306384Sgblack@eecs.umich.edu MODE_L, &dspctl); 17316384Sgblack@eecs.umich.edu }}, IntMultOp); 17326384Sgblack@eecs.umich.edu 0x7: muleu_s_ph_qbr({{ 17336384Sgblack@eecs.umich.edu Rd.uw = dspMuleu(Rs.uw, Rt.uw, 17346384Sgblack@eecs.umich.edu MODE_R, &dspctl); 17356384Sgblack@eecs.umich.edu }}, IntMultOp); 17364661Sksewell@umich.edu } 17374661Sksewell@umich.edu } 17384661Sksewell@umich.edu 0x1: decode OP_LO { 17394661Sksewell@umich.edu format DspIntOp { 17406384Sgblack@eecs.umich.edu 0x0: addu_ph({{ 17416384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17426384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17436384Sgblack@eecs.umich.edu }}); 17446384Sgblack@eecs.umich.edu 0x1: subu_ph({{ 17456384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17466384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 17476384Sgblack@eecs.umich.edu }}); 17486384Sgblack@eecs.umich.edu 0x2: addq_ph({{ 17496384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17506384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 17516384Sgblack@eecs.umich.edu }}); 17526384Sgblack@eecs.umich.edu 0x3: subq_ph({{ 17536384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17546384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 17556384Sgblack@eecs.umich.edu }}); 17566384Sgblack@eecs.umich.edu 0x4: addu_s_ph({{ 17576384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17586384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17596384Sgblack@eecs.umich.edu }}); 17606384Sgblack@eecs.umich.edu 0x5: subu_s_ph({{ 17616384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17626384Sgblack@eecs.umich.edu SATURATE, UNSIGNED, &dspctl); 17636384Sgblack@eecs.umich.edu }}); 17646384Sgblack@eecs.umich.edu 0x6: addq_s_ph({{ 17656384Sgblack@eecs.umich.edu Rd.uw = dspAdd(Rs.uw, Rt.uw, SIMD_FMT_PH, 17666384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 17676384Sgblack@eecs.umich.edu }}); 17686384Sgblack@eecs.umich.edu 0x7: subq_s_ph({{ 17696384Sgblack@eecs.umich.edu Rd.uw = dspSub(Rs.uw, Rt.uw, SIMD_FMT_PH, 17706384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 17716384Sgblack@eecs.umich.edu }}); 17724661Sksewell@umich.edu } 17734661Sksewell@umich.edu } 17744661Sksewell@umich.edu 0x2: decode OP_LO { 17754661Sksewell@umich.edu format DspIntOp { 17766384Sgblack@eecs.umich.edu 0x0: addsc({{ 17776384Sgblack@eecs.umich.edu int64_t dresult; 17786384Sgblack@eecs.umich.edu dresult = Rs.ud + Rt.ud; 17796384Sgblack@eecs.umich.edu Rd.sw = dresult<31:0>; 17806384Sgblack@eecs.umich.edu dspctl = insertBits(dspctl, 13, 13, 17816384Sgblack@eecs.umich.edu dresult<32:32>); 17826384Sgblack@eecs.umich.edu }}); 17836384Sgblack@eecs.umich.edu 0x1: addwc({{ 17846384Sgblack@eecs.umich.edu int64_t dresult; 17856384Sgblack@eecs.umich.edu dresult = Rs.sd + Rt.sd + dspctl<13:13>; 17866384Sgblack@eecs.umich.edu Rd.sw = dresult<31:0>; 17876384Sgblack@eecs.umich.edu if (dresult<32:32> != dresult<31:31>) 17886384Sgblack@eecs.umich.edu dspctl = insertBits(dspctl, 20, 20, 1); 17896384Sgblack@eecs.umich.edu }}); 17906384Sgblack@eecs.umich.edu 0x2: modsub({{ 17916384Sgblack@eecs.umich.edu Rd.sw = (Rs.sw == 0) ? Rt.sw<23:8> : 17926384Sgblack@eecs.umich.edu Rs.sw - Rt.sw<7:0>; 17936384Sgblack@eecs.umich.edu }}); 17946384Sgblack@eecs.umich.edu 0x4: raddu_w_qb({{ 17956384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<31:24> + Rs.uw<23:16> + 17966384Sgblack@eecs.umich.edu Rs.uw<15:8> + Rs.uw<7:0>; 17976384Sgblack@eecs.umich.edu }}); 17986384Sgblack@eecs.umich.edu 0x6: addq_s_w({{ 17996384Sgblack@eecs.umich.edu Rd.sw = dspAdd(Rs.sw, Rt.sw, SIMD_FMT_W, 18006384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 18016384Sgblack@eecs.umich.edu }}); 18026384Sgblack@eecs.umich.edu 0x7: subq_s_w({{ 18036384Sgblack@eecs.umich.edu Rd.sw = dspSub(Rs.sw, Rt.sw, SIMD_FMT_W, 18046384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 18056384Sgblack@eecs.umich.edu }}); 18064661Sksewell@umich.edu } 18074661Sksewell@umich.edu } 18084661Sksewell@umich.edu 0x3: decode OP_LO { 18094661Sksewell@umich.edu format DspIntOp { 18106384Sgblack@eecs.umich.edu 0x4: muleq_s_w_phl({{ 18116384Sgblack@eecs.umich.edu Rd.sw = dspMuleq(Rs.sw, Rt.sw, 18126384Sgblack@eecs.umich.edu MODE_L, &dspctl); 18136384Sgblack@eecs.umich.edu }}, IntMultOp); 18146384Sgblack@eecs.umich.edu 0x5: muleq_s_w_phr({{ 18156384Sgblack@eecs.umich.edu Rd.sw = dspMuleq(Rs.sw, Rt.sw, 18166384Sgblack@eecs.umich.edu MODE_R, &dspctl); 18176384Sgblack@eecs.umich.edu }}, IntMultOp); 18186384Sgblack@eecs.umich.edu 0x6: mulq_s_ph({{ 18196384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_PH, 18206384Sgblack@eecs.umich.edu SATURATE, NOROUND, &dspctl); 18216384Sgblack@eecs.umich.edu }}, IntMultOp); 18226384Sgblack@eecs.umich.edu 0x7: mulq_rs_ph({{ 18236384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_PH, 18246384Sgblack@eecs.umich.edu SATURATE, ROUND, &dspctl); 18256384Sgblack@eecs.umich.edu }}, IntMultOp); 18264661Sksewell@umich.edu } 18274661Sksewell@umich.edu } 18284661Sksewell@umich.edu } 18294661Sksewell@umich.edu 18306384Sgblack@eecs.umich.edu //Table 5-6 MIPS32 CMPU_EQ_QB Encoding of the op Field 18316384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 18324661Sksewell@umich.edu 0x1: decode OP_HI { 18334661Sksewell@umich.edu 0x0: decode OP_LO { 18344661Sksewell@umich.edu format DspIntOp { 18356384Sgblack@eecs.umich.edu 0x0: cmpu_eq_qb({{ 18366384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_QB, 18376384Sgblack@eecs.umich.edu UNSIGNED, CMP_EQ, &dspctl); 18386384Sgblack@eecs.umich.edu }}); 18396384Sgblack@eecs.umich.edu 0x1: cmpu_lt_qb({{ 18406384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_QB, 18416384Sgblack@eecs.umich.edu UNSIGNED, CMP_LT, &dspctl); 18426384Sgblack@eecs.umich.edu }}); 18436384Sgblack@eecs.umich.edu 0x2: cmpu_le_qb({{ 18446384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_QB, 18456384Sgblack@eecs.umich.edu UNSIGNED, CMP_LE, &dspctl); 18466384Sgblack@eecs.umich.edu }}); 18476384Sgblack@eecs.umich.edu 0x3: pick_qb({{ 18486384Sgblack@eecs.umich.edu Rd.uw = dspPick(Rs.uw, Rt.uw, 18496384Sgblack@eecs.umich.edu SIMD_FMT_QB, &dspctl); 18506384Sgblack@eecs.umich.edu }}); 18516384Sgblack@eecs.umich.edu 0x4: cmpgu_eq_qb({{ 18526384Sgblack@eecs.umich.edu Rd.uw = dspCmpg(Rs.uw, Rt.uw, SIMD_FMT_QB, 18536384Sgblack@eecs.umich.edu UNSIGNED, CMP_EQ ); 18546384Sgblack@eecs.umich.edu }}); 18556384Sgblack@eecs.umich.edu 0x5: cmpgu_lt_qb({{ 18566384Sgblack@eecs.umich.edu Rd.uw = dspCmpg(Rs.uw, Rt.uw, SIMD_FMT_QB, 18576384Sgblack@eecs.umich.edu UNSIGNED, CMP_LT); 18586384Sgblack@eecs.umich.edu }}); 18596384Sgblack@eecs.umich.edu 0x6: cmpgu_le_qb({{ 18606384Sgblack@eecs.umich.edu Rd.uw = dspCmpg(Rs.uw, Rt.uw, SIMD_FMT_QB, 18616384Sgblack@eecs.umich.edu UNSIGNED, CMP_LE); 18626384Sgblack@eecs.umich.edu }}); 18634661Sksewell@umich.edu } 18644661Sksewell@umich.edu } 18654661Sksewell@umich.edu 0x1: decode OP_LO { 18664661Sksewell@umich.edu format DspIntOp { 18676384Sgblack@eecs.umich.edu 0x0: cmp_eq_ph({{ 18686384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_PH, 18696384Sgblack@eecs.umich.edu SIGNED, CMP_EQ, &dspctl); 18706384Sgblack@eecs.umich.edu }}); 18716384Sgblack@eecs.umich.edu 0x1: cmp_lt_ph({{ 18726384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_PH, 18736384Sgblack@eecs.umich.edu SIGNED, CMP_LT, &dspctl); 18746384Sgblack@eecs.umich.edu }}); 18756384Sgblack@eecs.umich.edu 0x2: cmp_le_ph({{ 18766384Sgblack@eecs.umich.edu dspCmp(Rs.uw, Rt.uw, SIMD_FMT_PH, 18776384Sgblack@eecs.umich.edu SIGNED, CMP_LE, &dspctl); 18786384Sgblack@eecs.umich.edu }}); 18796384Sgblack@eecs.umich.edu 0x3: pick_ph({{ 18806384Sgblack@eecs.umich.edu Rd.uw = dspPick(Rs.uw, Rt.uw, 18816384Sgblack@eecs.umich.edu SIMD_FMT_PH, &dspctl); 18826384Sgblack@eecs.umich.edu }}); 18836384Sgblack@eecs.umich.edu 0x4: precrq_qb_ph({{ 18846384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<31:24> << 24 | 18856384Sgblack@eecs.umich.edu Rs.uw<15:8> << 16 | 18866384Sgblack@eecs.umich.edu Rt.uw<31:24> << 8 | 18876384Sgblack@eecs.umich.edu Rt.uw<15:8>; 18886384Sgblack@eecs.umich.edu }}); 18896384Sgblack@eecs.umich.edu 0x5: precr_qb_ph({{ 18906384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<23:16> << 24 | 18916384Sgblack@eecs.umich.edu Rs.uw<7:0> << 16 | 18926384Sgblack@eecs.umich.edu Rt.uw<23:16> << 8 | 18936384Sgblack@eecs.umich.edu Rt.uw<7:0>; 18946384Sgblack@eecs.umich.edu }}); 18956384Sgblack@eecs.umich.edu 0x6: packrl_ph({{ 18966384Sgblack@eecs.umich.edu Rd.uw = dspPack(Rs.uw, Rt.uw, SIMD_FMT_PH); 18976384Sgblack@eecs.umich.edu }}); 18986384Sgblack@eecs.umich.edu 0x7: precrqu_s_qb_ph({{ 18996384Sgblack@eecs.umich.edu Rd.uw = dspPrecrqu(Rs.uw, Rt.uw, &dspctl); 19006384Sgblack@eecs.umich.edu }}); 19014661Sksewell@umich.edu } 19024661Sksewell@umich.edu } 19034661Sksewell@umich.edu 0x2: decode OP_LO { 19044661Sksewell@umich.edu format DspIntOp { 19056384Sgblack@eecs.umich.edu 0x4: precrq_ph_w({{ 19066384Sgblack@eecs.umich.edu Rd.uw = Rs.uw<31:16> << 16 | Rt.uw<31:16>; 19076384Sgblack@eecs.umich.edu }}); 19086384Sgblack@eecs.umich.edu 0x5: precrq_rs_ph_w({{ 19096384Sgblack@eecs.umich.edu Rd.uw = dspPrecrq(Rs.uw, Rt.uw, 19106384Sgblack@eecs.umich.edu SIMD_FMT_W, &dspctl); 19116384Sgblack@eecs.umich.edu }}); 19124661Sksewell@umich.edu } 19134661Sksewell@umich.edu } 19144661Sksewell@umich.edu 0x3: decode OP_LO { 19154661Sksewell@umich.edu format DspIntOp { 19166384Sgblack@eecs.umich.edu 0x0: cmpgdu_eq_qb({{ 19176384Sgblack@eecs.umich.edu Rd.uw = dspCmpgd(Rs.uw, Rt.uw, SIMD_FMT_QB, 19186384Sgblack@eecs.umich.edu UNSIGNED, CMP_EQ, &dspctl); 19196384Sgblack@eecs.umich.edu }}); 19206384Sgblack@eecs.umich.edu 0x1: cmpgdu_lt_qb({{ 19216384Sgblack@eecs.umich.edu Rd.uw = dspCmpgd(Rs.uw, Rt.uw, SIMD_FMT_QB, 19226384Sgblack@eecs.umich.edu UNSIGNED, CMP_LT, &dspctl); 19236384Sgblack@eecs.umich.edu }}); 19246384Sgblack@eecs.umich.edu 0x2: cmpgdu_le_qb({{ 19256384Sgblack@eecs.umich.edu Rd.uw = dspCmpgd(Rs.uw, Rt.uw, SIMD_FMT_QB, 19266384Sgblack@eecs.umich.edu UNSIGNED, CMP_LE, &dspctl); 19276384Sgblack@eecs.umich.edu }}); 19286384Sgblack@eecs.umich.edu 0x6: precr_sra_ph_w({{ 19296384Sgblack@eecs.umich.edu Rt.uw = dspPrecrSra(Rt.uw, Rs.uw, RD, 19306384Sgblack@eecs.umich.edu SIMD_FMT_W, NOROUND); 19316384Sgblack@eecs.umich.edu }}); 19326384Sgblack@eecs.umich.edu 0x7: precr_sra_r_ph_w({{ 19336384Sgblack@eecs.umich.edu Rt.uw = dspPrecrSra(Rt.uw, Rs.uw, RD, 19346384Sgblack@eecs.umich.edu SIMD_FMT_W, ROUND); 19356384Sgblack@eecs.umich.edu }}); 19364661Sksewell@umich.edu } 19374661Sksewell@umich.edu } 19384661Sksewell@umich.edu } 19394661Sksewell@umich.edu 19406384Sgblack@eecs.umich.edu //Table 5-7 MIPS32 ABSQ_S.PH Encoding of the op Field 19416384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 19424661Sksewell@umich.edu 0x2: decode OP_HI { 19434661Sksewell@umich.edu 0x0: decode OP_LO { 19444661Sksewell@umich.edu format DspIntOp { 19456384Sgblack@eecs.umich.edu 0x1: absq_s_qb({{ 19466384Sgblack@eecs.umich.edu Rd.sw = dspAbs(Rt.sw, SIMD_FMT_QB, &dspctl); 19476384Sgblack@eecs.umich.edu }}); 19486384Sgblack@eecs.umich.edu 0x2: repl_qb({{ 19496384Sgblack@eecs.umich.edu Rd.uw = RS_RT<7:0> << 24 | 19506384Sgblack@eecs.umich.edu RS_RT<7:0> << 16 | 19516384Sgblack@eecs.umich.edu RS_RT<7:0> << 8 | 19526384Sgblack@eecs.umich.edu RS_RT<7:0>; 19536384Sgblack@eecs.umich.edu }}); 19546384Sgblack@eecs.umich.edu 0x3: replv_qb({{ 19556384Sgblack@eecs.umich.edu Rd.sw = Rt.uw<7:0> << 24 | 19566384Sgblack@eecs.umich.edu Rt.uw<7:0> << 16 | 19576384Sgblack@eecs.umich.edu Rt.uw<7:0> << 8 | 19586384Sgblack@eecs.umich.edu Rt.uw<7:0>; 19596384Sgblack@eecs.umich.edu }}); 19606384Sgblack@eecs.umich.edu 0x4: precequ_ph_qbl({{ 19616384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19626384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_L); 19636384Sgblack@eecs.umich.edu }}); 19646384Sgblack@eecs.umich.edu 0x5: precequ_ph_qbr({{ 19656384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19666384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_R); 19676384Sgblack@eecs.umich.edu }}); 19686384Sgblack@eecs.umich.edu 0x6: precequ_ph_qbla({{ 19696384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19706384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_LA); 19716384Sgblack@eecs.umich.edu }}); 19726384Sgblack@eecs.umich.edu 0x7: precequ_ph_qbra({{ 19736384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, UNSIGNED, 19746384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_RA); 19756384Sgblack@eecs.umich.edu }}); 19764661Sksewell@umich.edu } 19774661Sksewell@umich.edu } 19784661Sksewell@umich.edu 0x1: decode OP_LO { 19794661Sksewell@umich.edu format DspIntOp { 19806384Sgblack@eecs.umich.edu 0x1: absq_s_ph({{ 19816384Sgblack@eecs.umich.edu Rd.sw = dspAbs(Rt.sw, SIMD_FMT_PH, &dspctl); 19826384Sgblack@eecs.umich.edu }}); 19836384Sgblack@eecs.umich.edu 0x2: repl_ph({{ 19846384Sgblack@eecs.umich.edu Rd.uw = (sext<10>(RS_RT))<15:0> << 16 | 19856384Sgblack@eecs.umich.edu (sext<10>(RS_RT))<15:0>; 19866384Sgblack@eecs.umich.edu }}); 19876384Sgblack@eecs.umich.edu 0x3: replv_ph({{ 19886384Sgblack@eecs.umich.edu Rd.uw = Rt.uw<15:0> << 16 | 19896384Sgblack@eecs.umich.edu Rt.uw<15:0>; 19906384Sgblack@eecs.umich.edu }}); 19916384Sgblack@eecs.umich.edu 0x4: preceq_w_phl({{ 19926384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_PH, SIGNED, 19936384Sgblack@eecs.umich.edu SIMD_FMT_W, SIGNED, MODE_L); 19946384Sgblack@eecs.umich.edu }}); 19956384Sgblack@eecs.umich.edu 0x5: preceq_w_phr({{ 19966384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_PH, SIGNED, 19976384Sgblack@eecs.umich.edu SIMD_FMT_W, SIGNED, MODE_R); 19986384Sgblack@eecs.umich.edu }}); 19994661Sksewell@umich.edu } 20004661Sksewell@umich.edu } 20014661Sksewell@umich.edu 0x2: decode OP_LO { 20024661Sksewell@umich.edu format DspIntOp { 20036384Sgblack@eecs.umich.edu 0x1: absq_s_w({{ 20046384Sgblack@eecs.umich.edu Rd.sw = dspAbs(Rt.sw, SIMD_FMT_W, &dspctl); 20056384Sgblack@eecs.umich.edu }}); 20064661Sksewell@umich.edu } 20074661Sksewell@umich.edu } 20084661Sksewell@umich.edu 0x3: decode OP_LO { 20096384Sgblack@eecs.umich.edu 0x3: IntOp::bitrev({{ 20106384Sgblack@eecs.umich.edu Rd.uw = bitrev( Rt.uw<15:0> ); 20116384Sgblack@eecs.umich.edu }}); 20124661Sksewell@umich.edu format DspIntOp { 20136384Sgblack@eecs.umich.edu 0x4: preceu_ph_qbl({{ 20146384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20156384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20166384Sgblack@eecs.umich.edu UNSIGNED, MODE_L); 20176384Sgblack@eecs.umich.edu }}); 20186384Sgblack@eecs.umich.edu 0x5: preceu_ph_qbr({{ 20196384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20206384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20216384Sgblack@eecs.umich.edu UNSIGNED, MODE_R ); 20226384Sgblack@eecs.umich.edu }}); 20236384Sgblack@eecs.umich.edu 0x6: preceu_ph_qbla({{ 20246384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20256384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20266384Sgblack@eecs.umich.edu UNSIGNED, MODE_LA ); 20276384Sgblack@eecs.umich.edu }}); 20286384Sgblack@eecs.umich.edu 0x7: preceu_ph_qbra({{ 20296384Sgblack@eecs.umich.edu Rd.uw = dspPrece(Rt.uw, SIMD_FMT_QB, 20306384Sgblack@eecs.umich.edu UNSIGNED, SIMD_FMT_PH, 20316384Sgblack@eecs.umich.edu UNSIGNED, MODE_RA); 20326384Sgblack@eecs.umich.edu }}); 20334661Sksewell@umich.edu } 20344661Sksewell@umich.edu } 20354661Sksewell@umich.edu } 20364661Sksewell@umich.edu 20376384Sgblack@eecs.umich.edu //Table 5-8 MIPS32 SHLL.QB Encoding of the op Field 20386384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 20394661Sksewell@umich.edu 0x3: decode OP_HI { 20404661Sksewell@umich.edu 0x0: decode OP_LO { 20414661Sksewell@umich.edu format DspIntOp { 20426384Sgblack@eecs.umich.edu 0x0: shll_qb({{ 20436384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, RS, SIMD_FMT_QB, 20446384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 20456384Sgblack@eecs.umich.edu }}); 20466384Sgblack@eecs.umich.edu 0x1: shrl_qb({{ 20476384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, RS, SIMD_FMT_QB, 20486384Sgblack@eecs.umich.edu UNSIGNED); 20496384Sgblack@eecs.umich.edu }}); 20506384Sgblack@eecs.umich.edu 0x2: shllv_qb({{ 20516384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_QB, 20526384Sgblack@eecs.umich.edu NOSATURATE, UNSIGNED, &dspctl); 20536384Sgblack@eecs.umich.edu }}); 20546384Sgblack@eecs.umich.edu 0x3: shrlv_qb({{ 20556384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, Rs.sw, SIMD_FMT_QB, 20566384Sgblack@eecs.umich.edu UNSIGNED); 20576384Sgblack@eecs.umich.edu }}); 20586384Sgblack@eecs.umich.edu 0x4: shra_qb({{ 20596384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_QB, 20606384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20616384Sgblack@eecs.umich.edu }}); 20626384Sgblack@eecs.umich.edu 0x5: shra_r_qb({{ 20636384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_QB, 20646384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 20656384Sgblack@eecs.umich.edu }}); 20666384Sgblack@eecs.umich.edu 0x6: shrav_qb({{ 20676384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_QB, 20686384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20696384Sgblack@eecs.umich.edu }}); 20706384Sgblack@eecs.umich.edu 0x7: shrav_r_qb({{ 20716384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_QB, 20726384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 20736384Sgblack@eecs.umich.edu }}); 20744661Sksewell@umich.edu } 20754661Sksewell@umich.edu } 20764661Sksewell@umich.edu 0x1: decode OP_LO { 20774661Sksewell@umich.edu format DspIntOp { 20786384Sgblack@eecs.umich.edu 0x0: shll_ph({{ 20796384Sgblack@eecs.umich.edu Rd.uw = dspShll(Rt.uw, RS, SIMD_FMT_PH, 20806384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 20816384Sgblack@eecs.umich.edu }}); 20826384Sgblack@eecs.umich.edu 0x1: shra_ph({{ 20836384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_PH, 20846384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20856384Sgblack@eecs.umich.edu }}); 20866384Sgblack@eecs.umich.edu 0x2: shllv_ph({{ 20876384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_PH, 20886384Sgblack@eecs.umich.edu NOSATURATE, SIGNED, &dspctl); 20896384Sgblack@eecs.umich.edu }}); 20906384Sgblack@eecs.umich.edu 0x3: shrav_ph({{ 20916384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_PH, 20926384Sgblack@eecs.umich.edu NOROUND, SIGNED, &dspctl); 20936384Sgblack@eecs.umich.edu }}); 20946384Sgblack@eecs.umich.edu 0x4: shll_s_ph({{ 20956384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, RS, SIMD_FMT_PH, 20966384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 20976384Sgblack@eecs.umich.edu }}); 20986384Sgblack@eecs.umich.edu 0x5: shra_r_ph({{ 20996384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_PH, 21006384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 21016384Sgblack@eecs.umich.edu }}); 21026384Sgblack@eecs.umich.edu 0x6: shllv_s_ph({{ 21036384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_PH, 21046384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 21056384Sgblack@eecs.umich.edu }}); 21066384Sgblack@eecs.umich.edu 0x7: shrav_r_ph({{ 21076384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_PH, 21086384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 21096384Sgblack@eecs.umich.edu }}); 21104661Sksewell@umich.edu } 21114661Sksewell@umich.edu } 21124661Sksewell@umich.edu 0x2: decode OP_LO { 21134661Sksewell@umich.edu format DspIntOp { 21146384Sgblack@eecs.umich.edu 0x4: shll_s_w({{ 21156384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, RS, SIMD_FMT_W, 21166384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 21176384Sgblack@eecs.umich.edu }}); 21186384Sgblack@eecs.umich.edu 0x5: shra_r_w({{ 21196384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, RS, SIMD_FMT_W, 21206384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 21216384Sgblack@eecs.umich.edu }}); 21226384Sgblack@eecs.umich.edu 0x6: shllv_s_w({{ 21236384Sgblack@eecs.umich.edu Rd.sw = dspShll(Rt.sw, Rs.sw, SIMD_FMT_W, 21246384Sgblack@eecs.umich.edu SATURATE, SIGNED, &dspctl); 21256384Sgblack@eecs.umich.edu }}); 21266384Sgblack@eecs.umich.edu 0x7: shrav_r_w({{ 21276384Sgblack@eecs.umich.edu Rd.sw = dspShra(Rt.sw, Rs.sw, SIMD_FMT_W, 21286384Sgblack@eecs.umich.edu ROUND, SIGNED, &dspctl); 21296384Sgblack@eecs.umich.edu }}); 21304661Sksewell@umich.edu } 21314661Sksewell@umich.edu } 21324661Sksewell@umich.edu 0x3: decode OP_LO { 21334661Sksewell@umich.edu format DspIntOp { 21346384Sgblack@eecs.umich.edu 0x1: shrl_ph({{ 21356384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, RS, SIMD_FMT_PH, 21366384Sgblack@eecs.umich.edu UNSIGNED); 21376384Sgblack@eecs.umich.edu }}); 21386384Sgblack@eecs.umich.edu 0x3: shrlv_ph({{ 21396384Sgblack@eecs.umich.edu Rd.sw = dspShrl(Rt.sw, Rs.sw, SIMD_FMT_PH, 21406384Sgblack@eecs.umich.edu UNSIGNED); 21416384Sgblack@eecs.umich.edu }}); 21424661Sksewell@umich.edu } 21434661Sksewell@umich.edu } 21444661Sksewell@umich.edu } 21454661Sksewell@umich.edu } 21464661Sksewell@umich.edu 21474661Sksewell@umich.edu 0x3: decode FUNCTION_LO { 21484661Sksewell@umich.edu 21496384Sgblack@eecs.umich.edu //Table 3.12 MIPS32 ADDUH.QB Encoding of the op Field 21506384Sgblack@eecs.umich.edu //(DSP ASE Rev2 Manual) 21514661Sksewell@umich.edu 0x0: decode OP_HI { 21524661Sksewell@umich.edu 0x0: decode OP_LO { 21534661Sksewell@umich.edu format DspIntOp { 21546384Sgblack@eecs.umich.edu 0x0: adduh_qb({{ 21556384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21566384Sgblack@eecs.umich.edu NOROUND, UNSIGNED); 21576384Sgblack@eecs.umich.edu }}); 21586384Sgblack@eecs.umich.edu 0x1: subuh_qb({{ 21596384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21606384Sgblack@eecs.umich.edu NOROUND, UNSIGNED); 21616384Sgblack@eecs.umich.edu }}); 21626384Sgblack@eecs.umich.edu 0x2: adduh_r_qb({{ 21636384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21646384Sgblack@eecs.umich.edu ROUND, UNSIGNED); 21656384Sgblack@eecs.umich.edu }}); 21666384Sgblack@eecs.umich.edu 0x3: subuh_r_qb({{ 21676384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_QB, 21686384Sgblack@eecs.umich.edu ROUND, UNSIGNED); 21696384Sgblack@eecs.umich.edu }}); 21704661Sksewell@umich.edu } 21714661Sksewell@umich.edu } 21724661Sksewell@umich.edu 0x1: decode OP_LO { 21734661Sksewell@umich.edu format DspIntOp { 21746384Sgblack@eecs.umich.edu 0x0: addqh_ph({{ 21756384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21766384Sgblack@eecs.umich.edu NOROUND, SIGNED); 21776384Sgblack@eecs.umich.edu }}); 21786384Sgblack@eecs.umich.edu 0x1: subqh_ph({{ 21796384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21806384Sgblack@eecs.umich.edu NOROUND, SIGNED); 21816384Sgblack@eecs.umich.edu }}); 21826384Sgblack@eecs.umich.edu 0x2: addqh_r_ph({{ 21836384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21846384Sgblack@eecs.umich.edu ROUND, SIGNED); 21856384Sgblack@eecs.umich.edu }}); 21866384Sgblack@eecs.umich.edu 0x3: subqh_r_ph({{ 21876384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_PH, 21886384Sgblack@eecs.umich.edu ROUND, SIGNED); 21896384Sgblack@eecs.umich.edu }}); 21906384Sgblack@eecs.umich.edu 0x4: mul_ph({{ 21916384Sgblack@eecs.umich.edu Rd.sw = dspMul(Rs.sw, Rt.sw, SIMD_FMT_PH, 21926384Sgblack@eecs.umich.edu NOSATURATE, &dspctl); 21936384Sgblack@eecs.umich.edu }}, IntMultOp); 21946384Sgblack@eecs.umich.edu 0x6: mul_s_ph({{ 21956384Sgblack@eecs.umich.edu Rd.sw = dspMul(Rs.sw, Rt.sw, SIMD_FMT_PH, 21966384Sgblack@eecs.umich.edu SATURATE, &dspctl); 21976384Sgblack@eecs.umich.edu }}, IntMultOp); 21984661Sksewell@umich.edu } 21994661Sksewell@umich.edu } 22004661Sksewell@umich.edu 0x2: decode OP_LO { 22014661Sksewell@umich.edu format DspIntOp { 22026384Sgblack@eecs.umich.edu 0x0: addqh_w({{ 22036384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_W, 22046384Sgblack@eecs.umich.edu NOROUND, SIGNED); 22056384Sgblack@eecs.umich.edu }}); 22066384Sgblack@eecs.umich.edu 0x1: subqh_w({{ 22076384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_W, 22086384Sgblack@eecs.umich.edu NOROUND, SIGNED); 22096384Sgblack@eecs.umich.edu }}); 22106384Sgblack@eecs.umich.edu 0x2: addqh_r_w({{ 22116384Sgblack@eecs.umich.edu Rd.uw = dspAddh(Rs.sw, Rt.sw, SIMD_FMT_W, 22126384Sgblack@eecs.umich.edu ROUND, SIGNED); 22136384Sgblack@eecs.umich.edu }}); 22146384Sgblack@eecs.umich.edu 0x3: subqh_r_w({{ 22156384Sgblack@eecs.umich.edu Rd.uw = dspSubh(Rs.sw, Rt.sw, SIMD_FMT_W, 22166384Sgblack@eecs.umich.edu ROUND, SIGNED); 22176384Sgblack@eecs.umich.edu }}); 22186384Sgblack@eecs.umich.edu 0x6: mulq_s_w({{ 22196384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_W, 22206384Sgblack@eecs.umich.edu SATURATE, NOROUND, &dspctl); 22216384Sgblack@eecs.umich.edu }}, IntMultOp); 22226384Sgblack@eecs.umich.edu 0x7: mulq_rs_w({{ 22236384Sgblack@eecs.umich.edu Rd.sw = dspMulq(Rs.sw, Rt.sw, SIMD_FMT_W, 22246384Sgblack@eecs.umich.edu SATURATE, ROUND, &dspctl); 22256384Sgblack@eecs.umich.edu }}, IntMultOp); 22264661Sksewell@umich.edu } 22274661Sksewell@umich.edu } 22282061SN/A } 22292101SN/A } 22302061SN/A 22312101SN/A //Table A-10 MIPS32 BSHFL Encoding of sa Field 22322101SN/A 0x4: decode SA { 22332046SN/A format BasicOp { 22346384Sgblack@eecs.umich.edu 0x02: wsbh({{ 22356384Sgblack@eecs.umich.edu Rd.uw = Rt.uw<23:16> << 24 | 22366384Sgblack@eecs.umich.edu Rt.uw<31:24> << 16 | 22376384Sgblack@eecs.umich.edu Rt.uw<7:0> << 8 | 22386384Sgblack@eecs.umich.edu Rt.uw<15:8>; 22392686Sksewell@umich.edu }}); 22402742Sksewell@umich.edu 0x10: seb({{ Rd.sw = Rt.sb; }}); 22412742Sksewell@umich.edu 0x18: seh({{ Rd.sw = Rt.sh; }}); 22422046SN/A } 22432101SN/A } 22442043SN/A 22452101SN/A 0x6: decode FUNCTION_LO { 22464661Sksewell@umich.edu 22476384Sgblack@eecs.umich.edu //Table 5-10 MIPS32 DPAQ.W.PH Encoding of the op Field 22486384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 22494661Sksewell@umich.edu 0x0: decode OP_HI { 22504661Sksewell@umich.edu 0x0: decode OP_LO { 22514661Sksewell@umich.edu format DspHiLoOp { 22526384Sgblack@eecs.umich.edu 0x0: dpa_w_ph({{ 22536384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22546384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_L); 22556384Sgblack@eecs.umich.edu }}, IntMultOp); 22566384Sgblack@eecs.umich.edu 0x1: dps_w_ph({{ 22576384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 22586384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_L); 22596384Sgblack@eecs.umich.edu }}, IntMultOp); 22606384Sgblack@eecs.umich.edu 0x2: mulsa_w_ph({{ 22616384Sgblack@eecs.umich.edu dspac = dspMulsa(dspac, Rs.sw, Rt.sw, 22626384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH ); 22636384Sgblack@eecs.umich.edu }}, IntMultOp); 22646384Sgblack@eecs.umich.edu 0x3: dpau_h_qbl({{ 22656384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22666384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_L); 22676384Sgblack@eecs.umich.edu }}, IntMultOp); 22686384Sgblack@eecs.umich.edu 0x4: dpaq_s_w_ph({{ 22696384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 22706384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 22716384Sgblack@eecs.umich.edu SIMD_FMT_W, NOSATURATE, 22726384Sgblack@eecs.umich.edu MODE_L, &dspctl); 22736384Sgblack@eecs.umich.edu }}, IntMultOp); 22746384Sgblack@eecs.umich.edu 0x5: dpsq_s_w_ph({{ 22756384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 22766384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 22776384Sgblack@eecs.umich.edu SIMD_FMT_W, NOSATURATE, 22786384Sgblack@eecs.umich.edu MODE_L, &dspctl); 22796384Sgblack@eecs.umich.edu }}, IntMultOp); 22806384Sgblack@eecs.umich.edu 0x6: mulsaq_s_w_ph({{ 22816384Sgblack@eecs.umich.edu dspac = dspMulsaq(dspac, Rs.sw, Rt.sw, 22826384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 22836384Sgblack@eecs.umich.edu &dspctl); 22846384Sgblack@eecs.umich.edu }}, IntMultOp); 22856384Sgblack@eecs.umich.edu 0x7: dpau_h_qbr({{ 22866384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22876384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_R); 22886384Sgblack@eecs.umich.edu }}, IntMultOp); 22894661Sksewell@umich.edu } 22904661Sksewell@umich.edu } 22914661Sksewell@umich.edu 0x1: decode OP_LO { 22924661Sksewell@umich.edu format DspHiLoOp { 22936384Sgblack@eecs.umich.edu 0x0: dpax_w_ph({{ 22946384Sgblack@eecs.umich.edu dspac = dspDpa(dspac, Rs.sw, Rt.sw, ACDST, 22956384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_X); 22966384Sgblack@eecs.umich.edu }}, IntMultOp); 22976384Sgblack@eecs.umich.edu 0x1: dpsx_w_ph({{ 22986384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 22996384Sgblack@eecs.umich.edu SIMD_FMT_PH, SIGNED, MODE_X); 23006384Sgblack@eecs.umich.edu }}, IntMultOp); 23016384Sgblack@eecs.umich.edu 0x3: dpsu_h_qbl({{ 23026384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 23036384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_L); 23046384Sgblack@eecs.umich.edu }}, IntMultOp); 23056384Sgblack@eecs.umich.edu 0x4: dpaq_sa_l_w({{ 23066384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 23076384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_W, 23086384Sgblack@eecs.umich.edu SIMD_FMT_L, SATURATE, 23096384Sgblack@eecs.umich.edu MODE_L, &dspctl); 23106384Sgblack@eecs.umich.edu }}, IntMultOp); 23116384Sgblack@eecs.umich.edu 0x5: dpsq_sa_l_w({{ 23126384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 23136384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_W, 23146384Sgblack@eecs.umich.edu SIMD_FMT_L, SATURATE, 23156384Sgblack@eecs.umich.edu MODE_L, &dspctl); 23166384Sgblack@eecs.umich.edu }}, IntMultOp); 23176384Sgblack@eecs.umich.edu 0x7: dpsu_h_qbr({{ 23186384Sgblack@eecs.umich.edu dspac = dspDps(dspac, Rs.sw, Rt.sw, ACDST, 23196384Sgblack@eecs.umich.edu SIMD_FMT_QB, UNSIGNED, MODE_R); 23206384Sgblack@eecs.umich.edu }}, IntMultOp); 23214661Sksewell@umich.edu } 23224661Sksewell@umich.edu } 23234661Sksewell@umich.edu 0x2: decode OP_LO { 23244661Sksewell@umich.edu format DspHiLoOp { 23256384Sgblack@eecs.umich.edu 0x0: maq_sa_w_phl({{ 23266384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23276384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23286384Sgblack@eecs.umich.edu MODE_L, SATURATE, &dspctl); 23296384Sgblack@eecs.umich.edu }}, IntMultOp); 23306384Sgblack@eecs.umich.edu 0x2: maq_sa_w_phr({{ 23316384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23326384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23336384Sgblack@eecs.umich.edu MODE_R, SATURATE, &dspctl); 23346384Sgblack@eecs.umich.edu }}, IntMultOp); 23356384Sgblack@eecs.umich.edu 0x4: maq_s_w_phl({{ 23366384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23376384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23386384Sgblack@eecs.umich.edu MODE_L, NOSATURATE, &dspctl); 23396384Sgblack@eecs.umich.edu }}, IntMultOp); 23406384Sgblack@eecs.umich.edu 0x6: maq_s_w_phr({{ 23416384Sgblack@eecs.umich.edu dspac = dspMaq(dspac, Rs.uw, Rt.uw, 23426384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23436384Sgblack@eecs.umich.edu MODE_R, NOSATURATE, &dspctl); 23446384Sgblack@eecs.umich.edu }}, IntMultOp); 23454661Sksewell@umich.edu } 23464661Sksewell@umich.edu } 23474661Sksewell@umich.edu 0x3: decode OP_LO { 23484661Sksewell@umich.edu format DspHiLoOp { 23496384Sgblack@eecs.umich.edu 0x0: dpaqx_s_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, NOSATURATE, 23536384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23546384Sgblack@eecs.umich.edu }}, IntMultOp); 23556384Sgblack@eecs.umich.edu 0x1: dpsqx_s_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, NOSATURATE, 23596384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23606384Sgblack@eecs.umich.edu }}, IntMultOp); 23616384Sgblack@eecs.umich.edu 0x2: dpaqx_sa_w_ph({{ 23626384Sgblack@eecs.umich.edu dspac = dspDpaq(dspac, Rs.sw, Rt.sw, 23636384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23646384Sgblack@eecs.umich.edu SIMD_FMT_W, SATURATE, 23656384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23666384Sgblack@eecs.umich.edu }}, IntMultOp); 23676384Sgblack@eecs.umich.edu 0x3: dpsqx_sa_w_ph({{ 23686384Sgblack@eecs.umich.edu dspac = dspDpsq(dspac, Rs.sw, Rt.sw, 23696384Sgblack@eecs.umich.edu ACDST, SIMD_FMT_PH, 23706384Sgblack@eecs.umich.edu SIMD_FMT_W, SATURATE, 23716384Sgblack@eecs.umich.edu MODE_X, &dspctl); 23726384Sgblack@eecs.umich.edu }}, IntMultOp); 23734661Sksewell@umich.edu } 23744661Sksewell@umich.edu } 23754661Sksewell@umich.edu } 23764661Sksewell@umich.edu 23774661Sksewell@umich.edu //Table 3.3 MIPS32 APPEND Encoding of the op Field 23784661Sksewell@umich.edu 0x1: decode OP_HI { 23794661Sksewell@umich.edu 0x0: decode OP_LO { 23804661Sksewell@umich.edu format IntOp { 23816384Sgblack@eecs.umich.edu 0x0: append({{ 23826384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw << RD) | bits(Rs.uw, RD - 1, 0); 23836384Sgblack@eecs.umich.edu }}); 23846384Sgblack@eecs.umich.edu 0x1: prepend({{ 23856384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw >> RD) | 23866384Sgblack@eecs.umich.edu (bits(Rs.uw, RD - 1, 0) << (32 - RD)); 23876384Sgblack@eecs.umich.edu }}); 23884661Sksewell@umich.edu } 23894661Sksewell@umich.edu } 23904661Sksewell@umich.edu 0x2: decode OP_LO { 23914661Sksewell@umich.edu format IntOp { 23926384Sgblack@eecs.umich.edu 0x0: balign({{ 23936384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw << (8 * BP)) | 23946384Sgblack@eecs.umich.edu (Rs.uw >> (8 * (4 - BP))); 23956384Sgblack@eecs.umich.edu }}); 23964661Sksewell@umich.edu } 23974661Sksewell@umich.edu } 23984661Sksewell@umich.edu } 23994661Sksewell@umich.edu 24002101SN/A } 24014661Sksewell@umich.edu 0x7: decode FUNCTION_LO { 24024661Sksewell@umich.edu 24036384Sgblack@eecs.umich.edu //Table 5-11 MIPS32 EXTR.W Encoding of the op Field 24046384Sgblack@eecs.umich.edu //(DSP ASE MANUAL) 24054661Sksewell@umich.edu 0x0: decode OP_HI { 24064661Sksewell@umich.edu 0x0: decode OP_LO { 24074661Sksewell@umich.edu format DspHiLoOp { 24086384Sgblack@eecs.umich.edu 0x0: extr_w({{ 24096384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, RS, 24106384Sgblack@eecs.umich.edu NOROUND, NOSATURATE, &dspctl); 24116384Sgblack@eecs.umich.edu }}); 24126384Sgblack@eecs.umich.edu 0x1: extrv_w({{ 24136384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, Rs.uw, 24146384Sgblack@eecs.umich.edu NOROUND, NOSATURATE, &dspctl); 24156384Sgblack@eecs.umich.edu }}); 24166384Sgblack@eecs.umich.edu 0x2: extp({{ 24176384Sgblack@eecs.umich.edu Rt.uw = dspExtp(dspac, RS, &dspctl); 24186384Sgblack@eecs.umich.edu }}); 24196384Sgblack@eecs.umich.edu 0x3: extpv({{ 24206384Sgblack@eecs.umich.edu Rt.uw = dspExtp(dspac, Rs.uw, &dspctl); 24216384Sgblack@eecs.umich.edu }}); 24226384Sgblack@eecs.umich.edu 0x4: extr_r_w({{ 24236384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, RS, 24246384Sgblack@eecs.umich.edu ROUND, NOSATURATE, &dspctl); 24256384Sgblack@eecs.umich.edu }}); 24266384Sgblack@eecs.umich.edu 0x5: extrv_r_w({{ 24276384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, Rs.uw, 24286384Sgblack@eecs.umich.edu ROUND, NOSATURATE, &dspctl); 24296384Sgblack@eecs.umich.edu }}); 24306384Sgblack@eecs.umich.edu 0x6: extr_rs_w({{ 24316384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, RS, 24326384Sgblack@eecs.umich.edu ROUND, SATURATE, &dspctl); 24336384Sgblack@eecs.umich.edu }}); 24346384Sgblack@eecs.umich.edu 0x7: extrv_rs_w({{ 24356384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_W, Rs.uw, 24366384Sgblack@eecs.umich.edu ROUND, SATURATE, &dspctl); 24376384Sgblack@eecs.umich.edu }}); 24384661Sksewell@umich.edu } 24394661Sksewell@umich.edu } 24404661Sksewell@umich.edu 0x1: decode OP_LO { 24414661Sksewell@umich.edu format DspHiLoOp { 24426384Sgblack@eecs.umich.edu 0x2: extpdp({{ 24436384Sgblack@eecs.umich.edu Rt.uw = dspExtpd(dspac, RS, &dspctl); 24446384Sgblack@eecs.umich.edu }}); 24456384Sgblack@eecs.umich.edu 0x3: extpdpv({{ 24466384Sgblack@eecs.umich.edu Rt.uw = dspExtpd(dspac, Rs.uw, &dspctl); 24476384Sgblack@eecs.umich.edu }}); 24486384Sgblack@eecs.umich.edu 0x6: extr_s_h({{ 24496384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_PH, RS, 24506384Sgblack@eecs.umich.edu NOROUND, SATURATE, &dspctl); 24516384Sgblack@eecs.umich.edu }}); 24526384Sgblack@eecs.umich.edu 0x7: extrv_s_h({{ 24536384Sgblack@eecs.umich.edu Rt.uw = dspExtr(dspac, SIMD_FMT_PH, Rs.uw, 24546384Sgblack@eecs.umich.edu NOROUND, SATURATE, &dspctl); 24556384Sgblack@eecs.umich.edu }}); 24564661Sksewell@umich.edu } 24574661Sksewell@umich.edu } 24584661Sksewell@umich.edu 0x2: decode OP_LO { 24594661Sksewell@umich.edu format DspIntOp { 24606384Sgblack@eecs.umich.edu 0x2: rddsp({{ 24616384Sgblack@eecs.umich.edu Rd.uw = readDSPControl(&dspctl, RDDSPMASK); 24626384Sgblack@eecs.umich.edu }}); 24636384Sgblack@eecs.umich.edu 0x3: wrdsp({{ 24646384Sgblack@eecs.umich.edu writeDSPControl(&dspctl, Rs.uw, WRDSPMASK); 24656384Sgblack@eecs.umich.edu }}); 24664661Sksewell@umich.edu } 24674661Sksewell@umich.edu } 24684661Sksewell@umich.edu 0x3: decode OP_LO { 24694661Sksewell@umich.edu format DspHiLoOp { 24706384Sgblack@eecs.umich.edu 0x2: shilo({{ 24716384Sgblack@eecs.umich.edu if (sext<6>(HILOSA) < 0) { 24726384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac << 24736384Sgblack@eecs.umich.edu -sext<6>(HILOSA); 24746384Sgblack@eecs.umich.edu } else { 24756384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac >> 24766384Sgblack@eecs.umich.edu sext<6>(HILOSA); 24776384Sgblack@eecs.umich.edu } 24786384Sgblack@eecs.umich.edu }}); 24796384Sgblack@eecs.umich.edu 0x3: shilov({{ 24806384Sgblack@eecs.umich.edu if (sext<6>(Rs.sw<5:0>) < 0) { 24816384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac << 24826384Sgblack@eecs.umich.edu -sext<6>(Rs.sw<5:0>); 24836384Sgblack@eecs.umich.edu } else { 24846384Sgblack@eecs.umich.edu dspac = (uint64_t)dspac >> 24856384Sgblack@eecs.umich.edu sext<6>(Rs.sw<5:0>); 24866384Sgblack@eecs.umich.edu } 24876384Sgblack@eecs.umich.edu }}); 24886384Sgblack@eecs.umich.edu 0x7: mthlip({{ 24896384Sgblack@eecs.umich.edu dspac = dspac << 32; 24906384Sgblack@eecs.umich.edu dspac |= Rs.uw; 24916384Sgblack@eecs.umich.edu dspctl = insertBits(dspctl, 5, 0, 24926384Sgblack@eecs.umich.edu dspctl<5:0> + 32); 24936384Sgblack@eecs.umich.edu }}); 24944661Sksewell@umich.edu } 24954661Sksewell@umich.edu } 24964661Sksewell@umich.edu } 24976809Sgblack@eecs.umich.edu 0x3: decode OP { 24986810Sgblack@eecs.umich.edu#if FULL_SYSTEM 24996809Sgblack@eecs.umich.edu 0x0: FailUnimpl::rdhwr(); 25006810Sgblack@eecs.umich.edu#else 25016810Sgblack@eecs.umich.edu 0x0: decode RD { 25026810Sgblack@eecs.umich.edu 29: BasicOp::rdhwr({{ Rt = TpValue; }}); 25036810Sgblack@eecs.umich.edu } 25046810Sgblack@eecs.umich.edu#endif 25055222Sksewell@umich.edu } 25064661Sksewell@umich.edu } 25072043SN/A } 25082084SN/A } 25092024SN/A 25102686Sksewell@umich.edu 0x4: decode OPCODE_LO { 25112124SN/A format LoadMemory { 25127708Sgblack@eecs.umich.edu 0x0: lb({{ Rt.sw = Mem.sb; }}); 25137708Sgblack@eecs.umich.edu 0x1: lh({{ Rt.sw = Mem.sh; }}); 25142479SN/A 0x3: lw({{ Rt.sw = Mem.sw; }}); 25157708Sgblack@eecs.umich.edu 0x4: lbu({{ Rt.uw = Mem.ub;}}); 25167708Sgblack@eecs.umich.edu 0x5: lhu({{ Rt.uw = Mem.uh; }}); 25172686Sksewell@umich.edu } 25182495SN/A 25192686Sksewell@umich.edu format LoadUnalignedMemory { 25206384Sgblack@eecs.umich.edu 0x2: lwl({{ 25216384Sgblack@eecs.umich.edu uint32_t mem_shift = 24 - (8 * byte_offset); 25226384Sgblack@eecs.umich.edu Rt.uw = mem_word << mem_shift | (Rt.uw & mask(mem_shift)); 25236384Sgblack@eecs.umich.edu }}); 25246384Sgblack@eecs.umich.edu 0x6: lwr({{ 25256384Sgblack@eecs.umich.edu uint32_t mem_shift = 8 * byte_offset; 25266384Sgblack@eecs.umich.edu Rt.uw = (Rt.uw & (mask(mem_shift) << (32 - mem_shift))) | 25276384Sgblack@eecs.umich.edu (mem_word >> mem_shift); 25286384Sgblack@eecs.umich.edu }}); 25296384Sgblack@eecs.umich.edu } 25302084SN/A } 25312024SN/A 25322686Sksewell@umich.edu 0x5: decode OPCODE_LO { 25332124SN/A format StoreMemory { 25347708Sgblack@eecs.umich.edu 0x0: sb({{ Mem.ub = Rt<7:0>; }}); 25357708Sgblack@eecs.umich.edu 0x1: sh({{ Mem.uh = Rt<15:0>; }}); 25362479SN/A 0x3: sw({{ Mem.uw = Rt<31:0>; }}); 25372084SN/A } 25382024SN/A 25392686Sksewell@umich.edu format StoreUnalignedMemory { 25406384Sgblack@eecs.umich.edu 0x2: swl({{ 25416384Sgblack@eecs.umich.edu uint32_t reg_shift = 24 - (8 * byte_offset); 25426384Sgblack@eecs.umich.edu uint32_t mem_shift = 32 - reg_shift; 25436384Sgblack@eecs.umich.edu mem_word = (mem_word & (mask(reg_shift) << mem_shift)) | 25446384Sgblack@eecs.umich.edu (Rt.uw >> reg_shift); 25456384Sgblack@eecs.umich.edu }}); 25466384Sgblack@eecs.umich.edu 0x6: swr({{ 25476384Sgblack@eecs.umich.edu uint32_t reg_shift = 8 * byte_offset; 25486384Sgblack@eecs.umich.edu mem_word = Rt.uw << reg_shift | 25496384Sgblack@eecs.umich.edu (mem_word & (mask(reg_shift))); 25506384Sgblack@eecs.umich.edu }}); 25512084SN/A } 25525222Sksewell@umich.edu format CP0Control { 25535222Sksewell@umich.edu 0x7: cache({{ 25545254Sksewell@umich.edu //Addr CacheEA = Rs.uw + OFFSET; 25556384Sgblack@eecs.umich.edu //fault = xc->CacheOp((uint8_t)CACHE_OP,(Addr) CacheEA); 25566384Sgblack@eecs.umich.edu }}); 25575222Sksewell@umich.edu } 25582084SN/A } 25592024SN/A 25602686Sksewell@umich.edu 0x6: decode OPCODE_LO { 25612686Sksewell@umich.edu format LoadMemory { 25626076Sgblack@eecs.umich.edu 0x0: ll({{ Rt.uw = Mem.uw; }}, mem_flags=LLSC); 25632686Sksewell@umich.edu 0x1: lwc1({{ Ft.uw = Mem.uw; }}); 25642573SN/A 0x5: ldc1({{ Ft.ud = Mem.ud; }}); 25652084SN/A } 25665222Sksewell@umich.edu 0x2: CP2Unimpl::lwc2(); 25675222Sksewell@umich.edu 0x6: CP2Unimpl::ldc2(); 25682686Sksewell@umich.edu 0x3: Prefetch::pref(); 25692084SN/A } 25702024SN/A 25712239SN/A 25722686Sksewell@umich.edu 0x7: decode OPCODE_LO { 25736384Sgblack@eecs.umich.edu 0x0: StoreCond::sc({{ Mem.uw = Rt.uw; }}, 25742686Sksewell@umich.edu {{ uint64_t tmp = write_result; 25752686Sksewell@umich.edu Rt.uw = (tmp == 0 || tmp == 1) ? tmp : Rt.uw; 25766384Sgblack@eecs.umich.edu }}, mem_flags=LLSC, 25776384Sgblack@eecs.umich.edu inst_flags = IsStoreConditional); 25782686Sksewell@umich.edu format StoreMemory { 25796384Sgblack@eecs.umich.edu 0x1: swc1({{ Mem.uw = Ft.uw; }}); 25806384Sgblack@eecs.umich.edu 0x5: sdc1({{ Mem.ud = Ft.ud; }}); 25812084SN/A } 25825222Sksewell@umich.edu 0x2: CP2Unimpl::swc2(); 25835222Sksewell@umich.edu 0x6: CP2Unimpl::sdc2(); 25842027SN/A } 25852024SN/A} 25862022SN/A 25872027SN/A 2588