misc.cc revision 11793
17202Sgblack@eecs.umich.edu/* 210037SARM gem5 Developers * Copyright (c) 2010, 2012-2013 ARM Limited 39913Ssteve.reinhardt@amd.com * Copyright (c) 2013 Advanced Micro Devices, Inc. 47202Sgblack@eecs.umich.edu * All rights reserved 57202Sgblack@eecs.umich.edu * 67202Sgblack@eecs.umich.edu * The license below extends only to copyright in the software and shall 77202Sgblack@eecs.umich.edu * not be construed as granting a license to any other intellectual 87202Sgblack@eecs.umich.edu * property including but not limited to intellectual property relating 97202Sgblack@eecs.umich.edu * to a hardware implementation of the functionality of the software 107202Sgblack@eecs.umich.edu * licensed hereunder. You may use the software subject to the license 117202Sgblack@eecs.umich.edu * terms below provided that you ensure that this notice is replicated 127202Sgblack@eecs.umich.edu * unmodified and in its entirety in all distributions of the software, 137202Sgblack@eecs.umich.edu * modified or unmodified, in source code or in binary form. 147202Sgblack@eecs.umich.edu * 157202Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 167202Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 177202Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 187202Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 197202Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 207202Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 217202Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 227202Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 237202Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 247202Sgblack@eecs.umich.edu * this software without specific prior written permission. 257202Sgblack@eecs.umich.edu * 267202Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 277202Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 287202Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 297202Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 307202Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 317202Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 327202Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 337202Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 347202Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 357202Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 367202Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 377202Sgblack@eecs.umich.edu * 387202Sgblack@eecs.umich.edu * Authors: Gabe Black 397202Sgblack@eecs.umich.edu */ 407202Sgblack@eecs.umich.edu 417202Sgblack@eecs.umich.edu#include "arch/arm/insts/misc.hh" 4211793Sbrandon.potter@amd.com 439913Ssteve.reinhardt@amd.com#include "cpu/reg_class.hh" 447202Sgblack@eecs.umich.edu 457202Sgblack@eecs.umich.edustd::string 467202Sgblack@eecs.umich.eduMrsOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 477202Sgblack@eecs.umich.edu{ 487202Sgblack@eecs.umich.edu std::stringstream ss; 497202Sgblack@eecs.umich.edu printMnemonic(ss); 507202Sgblack@eecs.umich.edu printReg(ss, dest); 517202Sgblack@eecs.umich.edu ss << ", "; 527202Sgblack@eecs.umich.edu bool foundPsr = false; 537202Sgblack@eecs.umich.edu for (unsigned i = 0; i < numSrcRegs(); i++) { 549913Ssteve.reinhardt@amd.com RegIndex idx = srcRegIdx(i); 559913Ssteve.reinhardt@amd.com RegIndex rel_idx; 569913Ssteve.reinhardt@amd.com if (regIdxToClass(idx, &rel_idx) != MiscRegClass) { 577202Sgblack@eecs.umich.edu continue; 587202Sgblack@eecs.umich.edu } 599913Ssteve.reinhardt@amd.com if (rel_idx == MISCREG_CPSR) { 607202Sgblack@eecs.umich.edu ss << "cpsr"; 617202Sgblack@eecs.umich.edu foundPsr = true; 627202Sgblack@eecs.umich.edu break; 637202Sgblack@eecs.umich.edu } 649913Ssteve.reinhardt@amd.com if (rel_idx == MISCREG_SPSR) { 657202Sgblack@eecs.umich.edu ss << "spsr"; 667202Sgblack@eecs.umich.edu foundPsr = true; 677202Sgblack@eecs.umich.edu break; 687202Sgblack@eecs.umich.edu } 697202Sgblack@eecs.umich.edu } 707202Sgblack@eecs.umich.edu if (!foundPsr) { 717202Sgblack@eecs.umich.edu ss << "????"; 727202Sgblack@eecs.umich.edu } 737202Sgblack@eecs.umich.edu return ss.str(); 747202Sgblack@eecs.umich.edu} 757202Sgblack@eecs.umich.edu 767202Sgblack@eecs.umich.eduvoid 777202Sgblack@eecs.umich.eduMsrBase::printMsrBase(std::ostream &os) const 787202Sgblack@eecs.umich.edu{ 797202Sgblack@eecs.umich.edu printMnemonic(os); 807202Sgblack@eecs.umich.edu bool apsr = false; 817202Sgblack@eecs.umich.edu bool foundPsr = false; 827202Sgblack@eecs.umich.edu for (unsigned i = 0; i < numDestRegs(); i++) { 837202Sgblack@eecs.umich.edu int idx = destRegIdx(i); 849918Ssteve.reinhardt@amd.com if (idx < Misc_Reg_Base) { 857202Sgblack@eecs.umich.edu continue; 867202Sgblack@eecs.umich.edu } 879918Ssteve.reinhardt@amd.com idx -= Misc_Reg_Base; 887202Sgblack@eecs.umich.edu if (idx == MISCREG_CPSR) { 897202Sgblack@eecs.umich.edu os << "cpsr_"; 907202Sgblack@eecs.umich.edu foundPsr = true; 917202Sgblack@eecs.umich.edu break; 927202Sgblack@eecs.umich.edu } 937202Sgblack@eecs.umich.edu if (idx == MISCREG_SPSR) { 947202Sgblack@eecs.umich.edu if (bits(byteMask, 1, 0)) { 957202Sgblack@eecs.umich.edu os << "spsr_"; 967202Sgblack@eecs.umich.edu } else { 977202Sgblack@eecs.umich.edu os << "apsr_"; 987202Sgblack@eecs.umich.edu apsr = true; 997202Sgblack@eecs.umich.edu } 1007202Sgblack@eecs.umich.edu foundPsr = true; 1017202Sgblack@eecs.umich.edu break; 1027202Sgblack@eecs.umich.edu } 1037202Sgblack@eecs.umich.edu } 1047202Sgblack@eecs.umich.edu if (!foundPsr) { 1057202Sgblack@eecs.umich.edu os << "????"; 1067202Sgblack@eecs.umich.edu return; 1077202Sgblack@eecs.umich.edu } 1087202Sgblack@eecs.umich.edu if (bits(byteMask, 3)) { 1097202Sgblack@eecs.umich.edu if (apsr) { 1107202Sgblack@eecs.umich.edu os << "nzcvq"; 1117202Sgblack@eecs.umich.edu } else { 1127202Sgblack@eecs.umich.edu os << "f"; 1137202Sgblack@eecs.umich.edu } 1147202Sgblack@eecs.umich.edu } 1157202Sgblack@eecs.umich.edu if (bits(byteMask, 2)) { 1167202Sgblack@eecs.umich.edu if (apsr) { 1177202Sgblack@eecs.umich.edu os << "g"; 1187202Sgblack@eecs.umich.edu } else { 1197202Sgblack@eecs.umich.edu os << "s"; 1207202Sgblack@eecs.umich.edu } 1217202Sgblack@eecs.umich.edu } 1227202Sgblack@eecs.umich.edu if (bits(byteMask, 1)) { 1237202Sgblack@eecs.umich.edu os << "x"; 1247202Sgblack@eecs.umich.edu } 1257202Sgblack@eecs.umich.edu if (bits(byteMask, 0)) { 1267202Sgblack@eecs.umich.edu os << "c"; 1277202Sgblack@eecs.umich.edu } 1287202Sgblack@eecs.umich.edu} 1297202Sgblack@eecs.umich.edu 1307202Sgblack@eecs.umich.edustd::string 1317202Sgblack@eecs.umich.eduMsrImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 1327202Sgblack@eecs.umich.edu{ 1337202Sgblack@eecs.umich.edu std::stringstream ss; 1347202Sgblack@eecs.umich.edu printMsrBase(ss); 1357202Sgblack@eecs.umich.edu ccprintf(ss, ", #%#x", imm); 1367202Sgblack@eecs.umich.edu return ss.str(); 1377202Sgblack@eecs.umich.edu} 1387202Sgblack@eecs.umich.edu 1397202Sgblack@eecs.umich.edustd::string 1407202Sgblack@eecs.umich.eduMsrRegOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 1417202Sgblack@eecs.umich.edu{ 1427202Sgblack@eecs.umich.edu std::stringstream ss; 1437202Sgblack@eecs.umich.edu printMsrBase(ss); 1447202Sgblack@eecs.umich.edu ss << ", "; 1457202Sgblack@eecs.umich.edu printReg(ss, op1); 1467202Sgblack@eecs.umich.edu return ss.str(); 1477202Sgblack@eecs.umich.edu} 1487208Sgblack@eecs.umich.edu 1497208Sgblack@eecs.umich.edustd::string 15010037SARM gem5 DevelopersMrrcOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 15110037SARM gem5 Developers{ 15210037SARM gem5 Developers std::stringstream ss; 15310037SARM gem5 Developers printMnemonic(ss); 15410037SARM gem5 Developers printReg(ss, dest); 15510037SARM gem5 Developers ss << ", "; 15610037SARM gem5 Developers printReg(ss, dest2); 15710037SARM gem5 Developers ss << ", "; 15810037SARM gem5 Developers printReg(ss, op1); 15910037SARM gem5 Developers return ss.str(); 16010037SARM gem5 Developers} 16110037SARM gem5 Developers 16210037SARM gem5 Developersstd::string 16310037SARM gem5 DevelopersMcrrOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 16410037SARM gem5 Developers{ 16510037SARM gem5 Developers std::stringstream ss; 16610037SARM gem5 Developers printMnemonic(ss); 16710037SARM gem5 Developers printReg(ss, dest); 16810037SARM gem5 Developers ss << ", "; 16910037SARM gem5 Developers printReg(ss, op1); 17010037SARM gem5 Developers ss << ", "; 17110037SARM gem5 Developers printReg(ss, op2); 17210037SARM gem5 Developers return ss.str(); 17310037SARM gem5 Developers} 17410037SARM gem5 Developers 17510037SARM gem5 Developersstd::string 1767306Sgblack@eecs.umich.eduImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 1777306Sgblack@eecs.umich.edu{ 1787306Sgblack@eecs.umich.edu std::stringstream ss; 1797306Sgblack@eecs.umich.edu printMnemonic(ss); 1807306Sgblack@eecs.umich.edu ccprintf(ss, "#%d", imm); 1817306Sgblack@eecs.umich.edu return ss.str(); 1827306Sgblack@eecs.umich.edu} 1837306Sgblack@eecs.umich.edu 1847306Sgblack@eecs.umich.edustd::string 1857332Sgblack@eecs.umich.eduRegImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 1867332Sgblack@eecs.umich.edu{ 1877332Sgblack@eecs.umich.edu std::stringstream ss; 1887332Sgblack@eecs.umich.edu printMnemonic(ss); 1897332Sgblack@eecs.umich.edu printReg(ss, dest); 1907332Sgblack@eecs.umich.edu ccprintf(ss, ", #%d", imm); 1917332Sgblack@eecs.umich.edu return ss.str(); 1927332Sgblack@eecs.umich.edu} 1937332Sgblack@eecs.umich.edu 1947332Sgblack@eecs.umich.edustd::string 1957261Sgblack@eecs.umich.eduRegRegOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 1967208Sgblack@eecs.umich.edu{ 1977208Sgblack@eecs.umich.edu std::stringstream ss; 1987208Sgblack@eecs.umich.edu printMnemonic(ss); 1997208Sgblack@eecs.umich.edu printReg(ss, dest); 2007208Sgblack@eecs.umich.edu ss << ", "; 2017208Sgblack@eecs.umich.edu printReg(ss, op1); 2027208Sgblack@eecs.umich.edu return ss.str(); 2037208Sgblack@eecs.umich.edu} 2047225Sgblack@eecs.umich.edu 2057225Sgblack@eecs.umich.edustd::string 2067233Sgblack@eecs.umich.eduRegRegRegImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 2077233Sgblack@eecs.umich.edu{ 2087233Sgblack@eecs.umich.edu std::stringstream ss; 2097233Sgblack@eecs.umich.edu printMnemonic(ss); 2107233Sgblack@eecs.umich.edu printReg(ss, dest); 2117233Sgblack@eecs.umich.edu ss << ", "; 2127233Sgblack@eecs.umich.edu printReg(ss, op1); 2137233Sgblack@eecs.umich.edu ss << ", "; 2147233Sgblack@eecs.umich.edu printReg(ss, op2); 2157233Sgblack@eecs.umich.edu ccprintf(ss, ", #%d", imm); 2167233Sgblack@eecs.umich.edu return ss.str(); 2177233Sgblack@eecs.umich.edu} 2187233Sgblack@eecs.umich.edu 2197233Sgblack@eecs.umich.edustd::string 2207241Sgblack@eecs.umich.eduRegRegRegRegOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 2217241Sgblack@eecs.umich.edu{ 2227241Sgblack@eecs.umich.edu std::stringstream ss; 2237241Sgblack@eecs.umich.edu printMnemonic(ss); 2247241Sgblack@eecs.umich.edu printReg(ss, dest); 2257241Sgblack@eecs.umich.edu ss << ", "; 2267241Sgblack@eecs.umich.edu printReg(ss, op1); 2277241Sgblack@eecs.umich.edu ss << ", "; 2287241Sgblack@eecs.umich.edu printReg(ss, op2); 2297241Sgblack@eecs.umich.edu ss << ", "; 2307241Sgblack@eecs.umich.edu printReg(ss, op3); 2317241Sgblack@eecs.umich.edu return ss.str(); 2327241Sgblack@eecs.umich.edu} 2337241Sgblack@eecs.umich.edu 2347241Sgblack@eecs.umich.edustd::string 2357238Sgblack@eecs.umich.eduRegRegRegOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 2367238Sgblack@eecs.umich.edu{ 2377238Sgblack@eecs.umich.edu std::stringstream ss; 2387238Sgblack@eecs.umich.edu printMnemonic(ss); 2397238Sgblack@eecs.umich.edu printReg(ss, dest); 2407238Sgblack@eecs.umich.edu ss << ", "; 2417238Sgblack@eecs.umich.edu printReg(ss, op1); 2427238Sgblack@eecs.umich.edu ss << ", "; 2437238Sgblack@eecs.umich.edu printReg(ss, op2); 2447238Sgblack@eecs.umich.edu return ss.str(); 2457238Sgblack@eecs.umich.edu} 2467238Sgblack@eecs.umich.edu 2477238Sgblack@eecs.umich.edustd::string 2487331Sgblack@eecs.umich.eduRegRegImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 2497331Sgblack@eecs.umich.edu{ 2507331Sgblack@eecs.umich.edu std::stringstream ss; 2517331Sgblack@eecs.umich.edu printMnemonic(ss); 2527331Sgblack@eecs.umich.edu printReg(ss, dest); 2537331Sgblack@eecs.umich.edu ss << ", "; 2547331Sgblack@eecs.umich.edu printReg(ss, op1); 2557331Sgblack@eecs.umich.edu ccprintf(ss, ", #%d", imm); 2567331Sgblack@eecs.umich.edu return ss.str(); 2577331Sgblack@eecs.umich.edu} 2587331Sgblack@eecs.umich.edu 2597331Sgblack@eecs.umich.edustd::string 26010418Sandreas.hansson@arm.comMiscRegRegImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 26110418Sandreas.hansson@arm.com{ 26210418Sandreas.hansson@arm.com std::stringstream ss; 26310418Sandreas.hansson@arm.com printMnemonic(ss); 26410418Sandreas.hansson@arm.com printReg(ss, dest); 26510418Sandreas.hansson@arm.com ss << ", "; 26610418Sandreas.hansson@arm.com printReg(ss, op1); 26710418Sandreas.hansson@arm.com ccprintf(ss, ", #%d", imm); 26810418Sandreas.hansson@arm.com return ss.str(); 26910418Sandreas.hansson@arm.com} 27010418Sandreas.hansson@arm.com 27110418Sandreas.hansson@arm.comstd::string 27210418Sandreas.hansson@arm.comRegMiscRegImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 27310418Sandreas.hansson@arm.com{ 27410418Sandreas.hansson@arm.com std::stringstream ss; 27510418Sandreas.hansson@arm.com printMnemonic(ss); 27610418Sandreas.hansson@arm.com printReg(ss, dest); 27710418Sandreas.hansson@arm.com ss << ", "; 27810418Sandreas.hansson@arm.com printReg(ss, op1); 27910418Sandreas.hansson@arm.com ccprintf(ss, ", #%d", imm); 28010418Sandreas.hansson@arm.com return ss.str(); 28110418Sandreas.hansson@arm.com} 28210418Sandreas.hansson@arm.com 28310418Sandreas.hansson@arm.comstd::string 28410037SARM gem5 DevelopersRegImmImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 28510037SARM gem5 Developers{ 28610037SARM gem5 Developers std::stringstream ss; 28710037SARM gem5 Developers printMnemonic(ss); 28810037SARM gem5 Developers printReg(ss, dest); 28910037SARM gem5 Developers ccprintf(ss, ", #%d, #%d", imm1, imm2); 29010037SARM gem5 Developers return ss.str(); 29110037SARM gem5 Developers} 29210037SARM gem5 Developers 29310037SARM gem5 Developersstd::string 2947253Sgblack@eecs.umich.eduRegRegImmImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 2957253Sgblack@eecs.umich.edu{ 2967253Sgblack@eecs.umich.edu std::stringstream ss; 2977253Sgblack@eecs.umich.edu printMnemonic(ss); 2987253Sgblack@eecs.umich.edu printReg(ss, dest); 2997253Sgblack@eecs.umich.edu ss << ", "; 3007253Sgblack@eecs.umich.edu printReg(ss, op1); 3017253Sgblack@eecs.umich.edu ccprintf(ss, ", #%d, #%d", imm1, imm2); 3027253Sgblack@eecs.umich.edu return ss.str(); 3037253Sgblack@eecs.umich.edu} 3047253Sgblack@eecs.umich.edu 3057253Sgblack@eecs.umich.edustd::string 3067232Sgblack@eecs.umich.eduRegImmRegOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 3077225Sgblack@eecs.umich.edu{ 3087225Sgblack@eecs.umich.edu std::stringstream ss; 3097225Sgblack@eecs.umich.edu printMnemonic(ss); 3107225Sgblack@eecs.umich.edu printReg(ss, dest); 3117232Sgblack@eecs.umich.edu ccprintf(ss, ", #%d, ", imm); 3127225Sgblack@eecs.umich.edu printReg(ss, op1); 3137225Sgblack@eecs.umich.edu return ss.str(); 3147225Sgblack@eecs.umich.edu} 3157225Sgblack@eecs.umich.edu 3167225Sgblack@eecs.umich.edustd::string 3177232Sgblack@eecs.umich.eduRegImmRegShiftOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 3187225Sgblack@eecs.umich.edu{ 3197225Sgblack@eecs.umich.edu std::stringstream ss; 3207225Sgblack@eecs.umich.edu printMnemonic(ss); 3217225Sgblack@eecs.umich.edu printReg(ss, dest); 3227232Sgblack@eecs.umich.edu ccprintf(ss, ", #%d, ", imm); 3237225Sgblack@eecs.umich.edu printShiftOperand(ss, op1, true, shiftAmt, INTREG_ZERO, shiftType); 3247225Sgblack@eecs.umich.edu printReg(ss, op1); 3257225Sgblack@eecs.umich.edu return ss.str(); 3267225Sgblack@eecs.umich.edu} 3277409Sgblack@eecs.umich.edu 3287409Sgblack@eecs.umich.edustd::string 3297409Sgblack@eecs.umich.eduUnknownOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const 3307409Sgblack@eecs.umich.edu{ 3317426Sgblack@eecs.umich.edu return csprintf("%-10s (inst %#08x)", "unknown", machInst); 3327409Sgblack@eecs.umich.edu} 333