From: Gabe Black Date: Thu, 9 Jul 2009 06:02:20 +0000 (-0700) Subject: Registers: Eliminate the ISA defined integer register file. X-Git-Tag: Calvin_Submission~219^2~22 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a480ba00b96f4c2e872f5a01bfa1782500f1066e;p=gem5.git Registers: Eliminate the ISA defined integer register file. --- diff --git a/src/arch/alpha/intregfile.cc b/src/arch/alpha/intregfile.cc index 8f692f856..de1c2a5d9 100644 --- a/src/arch/alpha/intregfile.cc +++ b/src/arch/alpha/intregfile.cc @@ -30,11 +30,7 @@ * Kevin Lim */ -#include - -#include "arch/alpha/isa_traits.hh" #include "arch/alpha/intregfile.hh" -#include "sim/serialize.hh" namespace AlphaISA { @@ -52,23 +48,5 @@ const int reg_redir[NumIntRegs] = { /* 24 */ 24, 25, 26, 27, 28, 29, 30, 31 }; #endif -void -IntRegFile::clear() -{ - std::memset(regs, 0, sizeof(regs)); -} - -void -IntRegFile::serialize(std::ostream &os) -{ - SERIALIZE_ARRAY(regs, NumIntRegs); -} - -void -IntRegFile::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ARRAY(regs, NumIntRegs); -} - } // namespace AlphaISA diff --git a/src/arch/alpha/intregfile.hh b/src/arch/alpha/intregfile.hh index 3aa7d92c4..2844b55d9 100644 --- a/src/arch/alpha/intregfile.hh +++ b/src/arch/alpha/intregfile.hh @@ -32,42 +32,13 @@ #ifndef __ARCH_ALPHA_INTREGFILE_HH__ #define __ARCH_ALPHA_INTREGFILE_HH__ -#include -#include - -#include "arch/alpha/types.hh" - -class Checkpoint; +#include "arch/alpha/isa_traits.hh" namespace AlphaISA { // redirected register map, really only used for the full system case. extern const int reg_redir[NumIntRegs]; -class IntRegFile -{ - protected: - IntReg regs[NumIntRegs]; - - public: - IntReg - readReg(int intReg) - { - return regs[intReg]; - } - - void - setReg(int intReg, const IntReg &val) - { - regs[intReg] = val; - } - - void clear(); - - void serialize(std::ostream &os); - void unserialize(Checkpoint *cp, const std::string §ion); -}; - } // namespace AlphaISA #endif // __ARCH_ALPHA_INTREGFILE_HH__ diff --git a/src/arch/alpha/regfile.cc b/src/arch/alpha/regfile.cc index df345278a..993c91387 100644 --- a/src/arch/alpha/regfile.cc +++ b/src/arch/alpha/regfile.cc @@ -41,7 +41,6 @@ namespace AlphaISA { void RegFile::serialize(EventManager *em, ostream &os) { - intRegFile.serialize(os); SERIALIZE_SCALAR(pc); SERIALIZE_SCALAR(npc); #if FULL_SYSTEM @@ -52,7 +51,6 @@ RegFile::serialize(EventManager *em, ostream &os) void RegFile::unserialize(EventManager *em, Checkpoint *cp, const string §ion) { - intRegFile.unserialize(cp, section); UNSERIALIZE_SCALAR(pc); UNSERIALIZE_SCALAR(npc); #if FULL_SYSTEM diff --git a/src/arch/alpha/regfile.hh b/src/arch/alpha/regfile.hh index 000bea259..113cf225c 100644 --- a/src/arch/alpha/regfile.hh +++ b/src/arch/alpha/regfile.hh @@ -89,9 +89,6 @@ class RegFile { setNextNPC(Addr val) { } - protected: - IntRegFile intRegFile; // (signed) integer register file - public: #if FULL_SYSTEM int intrflag; // interrupt flag @@ -100,19 +97,6 @@ class RegFile { void clear() { - intRegFile.clear(); - } - - IntReg - readIntReg(int intReg) - { - return intRegFile.readReg(intReg); - } - - void - setIntReg(int intReg, const IntReg &val) - { - intRegFile.setReg(intReg, val); } void serialize(EventManager *em, std::ostream &os); diff --git a/src/arch/arm/regfile/int_regfile.hh b/src/arch/arm/regfile/int_regfile.hh index b22129f33..1f2715a6b 100644 --- a/src/arch/arm/regfile/int_regfile.hh +++ b/src/arch/arm/regfile/int_regfile.hh @@ -43,11 +43,6 @@ class ThreadContext; namespace ArmISA { - static inline std::string getIntRegName(RegIndex) - { - return ""; - } - enum MiscIntRegNums { zero_reg = NumIntArchRegs, addr_reg, @@ -77,42 +72,6 @@ namespace ArmISA r14_abt }; - class IntRegFile - { - protected: - IntReg regs[NumIntRegs]; - - public: - IntReg readReg(int intReg) - { - DPRINTF(IntRegs, "Reading int reg %d as %#x.\n", - intReg, regs[intReg]); - return regs[intReg]; - } - - void clear() - { - bzero(regs, sizeof(regs)); - } - - Fault setReg(int intReg, const IntReg &val) - { - DPRINTF(IntRegs, "Setting int reg %d to %#x.\n", intReg, val); - regs[intReg] = val; - return NoFault; - } - - void serialize(std::ostream &os) - { - SERIALIZE_ARRAY(regs, NumIntRegs); - } - - void unserialize(Checkpoint *cp, const std::string §ion) - { - UNSERIALIZE_ARRAY(regs, NumIntRegs); - } - }; - } // namespace ArmISA #endif diff --git a/src/arch/arm/regfile/regfile.cc b/src/arch/arm/regfile/regfile.cc index 4ab3c771f..49ffb4f28 100644 --- a/src/arch/arm/regfile/regfile.cc +++ b/src/arch/arm/regfile/regfile.cc @@ -57,7 +57,6 @@ MiscRegFile::copyMiscRegs(ThreadContext *tc) void RegFile::serialize(EventManager *em, ostream &os) { - intRegFile.serialize(os); SERIALIZE_SCALAR(npc); SERIALIZE_SCALAR(nnpc); } @@ -65,7 +64,6 @@ RegFile::serialize(EventManager *em, ostream &os) void RegFile::unserialize(EventManager *em, Checkpoint *cp, const string §ion) { - intRegFile.unserialize(cp, section); UNSERIALIZE_SCALAR(npc); UNSERIALIZE_SCALAR(nnpc); } diff --git a/src/arch/arm/regfile/regfile.hh b/src/arch/arm/regfile/regfile.hh index 35830eabf..05f9197c3 100644 --- a/src/arch/arm/regfile/regfile.hh +++ b/src/arch/arm/regfile/regfile.hh @@ -67,25 +67,10 @@ namespace ArmISA class RegFile { - protected: - IntRegFile intRegFile; // (signed) integer register file - public: void clear() - { - intRegFile.clear(); - } - - IntReg readIntReg(int intReg) - { - return intRegFile.readReg(intReg); - } - - void setIntReg(int intReg, const IntReg &val) - { - intRegFile.setReg(intReg, val); - } + {} protected: Addr pc; // program counter @@ -95,14 +80,12 @@ namespace ArmISA public: Addr readPC() { - return intRegFile.readReg(PCReg); - //return pc; + return pc; } void setPC(Addr val) { - intRegFile.setReg(PCReg, val); - //pc = val; + pc = val; } Addr readNextPC() diff --git a/src/arch/mips/SConscript b/src/arch/mips/SConscript index dbbdf72b3..0b5f10611 100644 --- a/src/arch/mips/SConscript +++ b/src/arch/mips/SConscript @@ -35,7 +35,6 @@ Import('*') if env['TARGET_ISA'] == 'mips': Source('faults.cc') Source('isa.cc') - Source('regfile/int_regfile.cc') Source('regfile/misc_regfile.cc') Source('regfile/regfile.cc') Source('tlb.cc') diff --git a/src/arch/mips/regfile.cc b/src/arch/mips/regfile.cc index 2fb53cd4c..760f7e028 100644 --- a/src/arch/mips/regfile.cc +++ b/src/arch/mips/regfile.cc @@ -48,7 +48,6 @@ using namespace MipsISA; void RegFile::clear() { - intRegFile.clear(); miscRegFile.clear(); } @@ -56,20 +55,9 @@ void RegFile::reset(std::string core_name, ThreadID num_threads, unsigned num_vpes) { - bzero(&intRegFile, sizeof(intRegFile)); miscRegFile.reset(core_name, num_threads, num_vpes); } -IntReg RegFile::readIntReg(int intReg) -{ - return intRegFile.readReg(intReg); -} - -Fault RegFile::setIntReg(int intReg, const IntReg &val) -{ - return intRegFile.setReg(intReg, val); -} - MiscReg RegFile::readMiscRegNoEffect(int miscReg, ThreadID tid = 0) { @@ -128,7 +116,6 @@ void RegFile::setNextNPC(Addr val) void RegFile::serialize(std::ostream &os) { - intRegFile.serialize(os); miscRegFile.serialize(os); SERIALIZE_SCALAR(pc); @@ -140,7 +127,6 @@ RegFile::serialize(std::ostream &os) void RegFile::unserialize(Checkpoint *cp, const std::string §ion) { - intRegFile.unserialize(cp, section); miscRegFile.unserialize(cp, section); UNSERIALIZE_SCALAR(pc); UNSERIALIZE_SCALAR(npc); diff --git a/src/arch/mips/regfile/int_regfile.cc b/src/arch/mips/regfile/int_regfile.cc deleted file mode 100644 index 88de4be94..000000000 --- a/src/arch/mips/regfile/int_regfile.cc +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright (c) 2003-2005 The Regents of The University of Michigan - * Copyright (c) 2007 MIPS Technologies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - * Korey Sewell - * Jaidev Patwardhan - */ - -#include "arch/mips/regfile/int_regfile.hh" -#include "sim/serialize.hh" - -using namespace MipsISA; -using namespace std; - -void -IntRegFile::clear() -{ - bzero(®s, sizeof(regs)); - currShadowSet=0; -} - -int -IntRegFile::readShadowSet() -{ - return currShadowSet; -} - -void -IntRegFile::setShadowSet(int css) -{ - DPRINTF(MipsPRA, "Setting Shadow Set to :%d (%s)\n", css, currShadowSet); - currShadowSet = css; -} - -IntReg -IntRegFile::readReg(int intReg) -{ - if (intReg < NumIntArchRegs) { - // Regular GPR Read - DPRINTF(MipsPRA, "Reading Reg: %d, CurrShadowSet: %d\n", intReg, - currShadowSet); - - return regs[intReg + NumIntArchRegs * currShadowSet]; - } else { - unsigned special_reg_num = intReg - NumIntArchRegs; - - // Read A Special Reg - return regs[TotalArchRegs + special_reg_num]; - } -} - -Fault -IntRegFile::setReg(int intReg, const IntReg &val) -{ - if (intReg != ZeroReg) { - if (intReg < NumIntArchRegs) { - regs[intReg + NumIntArchRegs * currShadowSet] = val; - } else { - unsigned special_reg_num = intReg - NumIntArchRegs; - - regs[TotalArchRegs + special_reg_num] = val; - } - } - - return NoFault; -} - -void -IntRegFile::serialize(std::ostream &os) -{ - SERIALIZE_ARRAY(regs, NumIntRegs); -} - -void -IntRegFile::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ARRAY(regs, NumIntRegs); -} diff --git a/src/arch/mips/regfile/int_regfile.hh b/src/arch/mips/regfile/int_regfile.hh index 3c7c8c64c..a2c5169aa 100644 --- a/src/arch/mips/regfile/int_regfile.hh +++ b/src/arch/mips/regfile/int_regfile.hh @@ -65,23 +65,6 @@ namespace MipsISA //TotalArchRegs = NumIntArchRegs * ShadowSets const int TotalArchRegs = NumIntArchRegs; - class IntRegFile - { - protected: - IntReg regs[NumIntRegs]; - int currShadowSet; - public: - void clear(); - int readShadowSet(); - void setShadowSet(int css); - IntReg readReg(int intReg); - Fault setReg(int intReg, const IntReg &val); - - void serialize(std::ostream &os); - void unserialize(Checkpoint *cp, const std::string §ion); - - }; - } // namespace MipsISA #endif diff --git a/src/arch/mips/regfile/regfile.cc b/src/arch/mips/regfile/regfile.cc index eeec02ee4..a19962ff3 100644 --- a/src/arch/mips/regfile/regfile.cc +++ b/src/arch/mips/regfile/regfile.cc @@ -40,31 +40,16 @@ namespace MipsISA void RegFile::clear() { - intRegFile.clear(); } void RegFile::reset(std::string core_name, ThreadID num_threads, unsigned num_vpes, BaseCPU *_cpu) { - bzero(&intRegFile, sizeof(intRegFile)); -} - -IntReg -RegFile::readIntReg(int intReg) -{ - return intRegFile.readReg(intReg); -} - -Fault -RegFile::setIntReg(int intReg, const IntReg &val) -{ - return intRegFile.setReg(intReg, val); } void RegFile::setShadowSet(int css){ - intRegFile.setShadowSet(css); } @@ -107,7 +92,6 @@ RegFile::setNextNPC(Addr val) void RegFile::serialize(EventManager *em, std::ostream &os) { - intRegFile.serialize(os); SERIALIZE_SCALAR(pc); SERIALIZE_SCALAR(npc); SERIALIZE_SCALAR(nnpc); @@ -117,7 +101,6 @@ void RegFile::unserialize(EventManager *em, Checkpoint *cp, const std::string §ion) { - intRegFile.unserialize(cp, section); UNSERIALIZE_SCALAR(pc); UNSERIALIZE_SCALAR(npc); UNSERIALIZE_SCALAR(nnpc); diff --git a/src/arch/mips/regfile/regfile.hh b/src/arch/mips/regfile/regfile.hh index 105891bb9..061b4a07d 100644 --- a/src/arch/mips/regfile/regfile.hh +++ b/src/arch/mips/regfile/regfile.hh @@ -79,16 +79,11 @@ namespace MipsISA // used to implement branch delay slot // not real register - IntRegFile intRegFile; // (signed) integer register file - public: void clear(); void reset(std::string core_name, ThreadID num_threads, unsigned num_vpes, BaseCPU *_cpu); - IntReg readIntReg(int intReg); - Fault setIntReg(int intReg, const IntReg &val); - void setShadowSet(int css); public: diff --git a/src/arch/sparc/SConscript b/src/arch/sparc/SConscript index 2b10951d9..cfc03b718 100644 --- a/src/arch/sparc/SConscript +++ b/src/arch/sparc/SConscript @@ -34,7 +34,6 @@ Import('*') if env['TARGET_ISA'] == 'sparc': Source('asi.cc') Source('faults.cc') - Source('intregfile.cc') Source('isa.cc') Source('miscregfile.cc') Source('pagetable.cc') diff --git a/src/arch/sparc/intregfile.cc b/src/arch/sparc/intregfile.cc deleted file mode 100644 index 54c30d1cc..000000000 --- a/src/arch/sparc/intregfile.cc +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (c) 2003-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - * Ali Saidi - */ - -#include "arch/sparc/intregfile.hh" -#include "base/trace.hh" -#include "base/misc.hh" -#include "sim/serialize.hh" - -#include - -using namespace SparcISA; -using namespace std; - -class Checkpoint; - -void IntRegFile::clear() -{ - memset(regs, 0, sizeof(IntReg) * NumIntRegs); -} - -IntRegFile::IntRegFile() -{ - clear(); -} - -IntReg IntRegFile::readReg(int intReg) -{ - DPRINTF(IntRegs, "Read register %d = 0x%x\n", intReg, regs[intReg]); - return regs[intReg]; -} - -void IntRegFile::setReg(int intReg, const IntReg &val) -{ - if(intReg) - { - DPRINTF(IntRegs, "Wrote register %d = 0x%x\n", intReg, val); - regs[intReg] = val; - } - return; -} - -void IntRegFile::serialize(std::ostream &os) -{ - SERIALIZE_ARRAY(regs, NumIntRegs); - SERIALIZE_ARRAY(microRegs, NumMicroIntRegs); -} - -void IntRegFile::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ARRAY(regs, NumIntRegs); - UNSERIALIZE_ARRAY(microRegs, NumMicroIntRegs); -} diff --git a/src/arch/sparc/intregfile.hh b/src/arch/sparc/intregfile.hh index f669f6b0d..0165fca10 100644 --- a/src/arch/sparc/intregfile.hh +++ b/src/arch/sparc/intregfile.hh @@ -32,39 +32,12 @@ #ifndef __ARCH_SPARC_INTREGFILE_HH__ #define __ARCH_SPARC_INTREGFILE_HH__ -#include "arch/sparc/isa_traits.hh" -#include "arch/sparc/types.hh" -#include "base/bitfield.hh" - -#include - -class Checkpoint; +#include "arch/sparc/sparc_traits.hh" namespace SparcISA { const int NumIntArchRegs = 32; const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; - - class IntRegFile - { - protected: - IntReg microRegs[NumMicroIntRegs]; - IntReg regs[NumIntRegs]; - - public: - - void clear(); - - IntRegFile(); - - IntReg readReg(int intReg); - - void setReg(int intReg, const IntReg &val); - - void serialize(std::ostream &os); - - void unserialize(Checkpoint *cp, const std::string §ion); - }; } #endif diff --git a/src/arch/sparc/predecoder.hh b/src/arch/sparc/predecoder.hh index 7775e858e..137e91fbd 100644 --- a/src/arch/sparc/predecoder.hh +++ b/src/arch/sparc/predecoder.hh @@ -32,6 +32,7 @@ #define __ARCH_SPARC_PREDECODER_HH__ #include "arch/sparc/types.hh" +#include "base/bitfield.hh" #include "base/misc.hh" #include "base/types.hh" #include "cpu/thread_context.hh" diff --git a/src/arch/sparc/regfile.cc b/src/arch/sparc/regfile.cc index 83a3dbcc2..e48bb07fe 100644 --- a/src/arch/sparc/regfile.cc +++ b/src/arch/sparc/regfile.cc @@ -68,25 +68,9 @@ void RegFile::setNextNPC(Addr val) nnpc = val; } -void RegFile::clear() -{ - intRegFile.clear(); -} - -IntReg RegFile::readIntReg(int intReg) -{ - return intRegFile.readReg(intReg); -} - -void RegFile::setIntReg(int intReg, const IntReg &val) -{ - intRegFile.setReg(intReg, val); -} - void RegFile::serialize(EventManager *em, ostream &os) { - intRegFile.serialize(os); SERIALIZE_SCALAR(pc); SERIALIZE_SCALAR(npc); SERIALIZE_SCALAR(nnpc); @@ -95,7 +79,6 @@ RegFile::serialize(EventManager *em, ostream &os) void RegFile::unserialize(EventManager *em, Checkpoint *cp, const string §ion) { - intRegFile.unserialize(cp, section); UNSERIALIZE_SCALAR(pc); UNSERIALIZE_SCALAR(npc); UNSERIALIZE_SCALAR(nnpc); diff --git a/src/arch/sparc/regfile.hh b/src/arch/sparc/regfile.hh index c28a5274f..c3c53a414 100644 --- a/src/arch/sparc/regfile.hh +++ b/src/arch/sparc/regfile.hh @@ -61,16 +61,10 @@ namespace SparcISA Addr readNextNPC(); void setNextNPC(Addr val); - protected: - IntRegFile intRegFile; // integer register file - public: - void clear(); - - IntReg readIntReg(int intReg); - - void setIntReg(int intReg, const IntReg &val); + void clear() + {} void serialize(EventManager *em, std::ostream &os); void unserialize(EventManager *em, Checkpoint *cp, diff --git a/src/arch/x86/SConscript b/src/arch/x86/SConscript index 157a703e2..f500089f3 100644 --- a/src/arch/x86/SConscript +++ b/src/arch/x86/SConscript @@ -94,7 +94,6 @@ if env['TARGET_ISA'] == 'x86': Source('insts/microop.cc') Source('insts/microregop.cc') Source('insts/static_inst.cc') - Source('intregfile.cc') Source('isa.cc') Source('miscregfile.cc') Source('pagetable.cc') diff --git a/src/arch/x86/intregfile.cc b/src/arch/x86/intregfile.cc deleted file mode 100644 index 58a37cb9e..000000000 --- a/src/arch/x86/intregfile.cc +++ /dev/null @@ -1,132 +0,0 @@ -/* - * Copyright (c) 2003-2007 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -/* - * Copyright (c) 2007 The Hewlett-Packard Development Company - * All rights reserved. - * - * Redistribution and use of this software in source and binary forms, - * with or without modification, are permitted provided that the - * following conditions are met: - * - * The software must be used only for Non-Commercial Use which means any - * use which is NOT directed to receiving any direct monetary - * compensation for, or commercial advantage from such use. Illustrative - * examples of non-commercial use are academic research, personal study, - * teaching, education and corporate research & development. - * Illustrative examples of commercial use are distributing products for - * commercial advantage and providing services using the software for - * commercial advantage. - * - * If you wish to use this software or functionality therein that may be - * covered by patents for commercial use, please contact: - * Director of Intellectual Property Licensing - * Office of Strategy and Technology - * Hewlett-Packard Company - * 1501 Page Mill Road - * Palo Alto, California 94304 - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. Redistributions - * in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or - * other materials provided with the distribution. Neither the name of - * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. No right of - * sublicense is granted herewith. Derivatives of the software and - * output created using the software may be prepared, but only for - * Non-Commercial Uses. Derivatives of the software may be shared with - * others provided: (i) the others agree to abide by the list of - * conditions herein which includes the Non-Commercial Use restrictions; - * and (ii) such Derivatives of the software include the above copyright - * notice to acknowledge the contribution from this software where - * applicable, this list of conditions and the disclaimer below. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -#include "arch/x86/intregfile.hh" -#include "base/misc.hh" -#include "base/trace.hh" -#include "sim/serialize.hh" - -#include - -using namespace X86ISA; -using namespace std; - -class Checkpoint; - -int IntRegFile::flattenIndex(int reg) -{ - return reg; -} - -void IntRegFile::clear() -{ - memset(regs, 0, sizeof(IntReg) * NumIntRegs); -} - -IntReg IntRegFile::readReg(int intReg) -{ - DPRINTF(IntRegs, "Read int reg %d and got value %#x\n", - intReg, regs[intReg]); - return regs[intReg]; -} - -void IntRegFile::setReg(int intReg, const IntReg &val) -{ - DPRINTF(IntRegs, "Setting int reg %d to value %#x\n", - intReg, val); - regs[intReg] = val; -} - -void IntRegFile::serialize(std::ostream &os) -{ - SERIALIZE_ARRAY(regs, NumIntRegs); -} - -void IntRegFile::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ARRAY(regs, NumIntRegs); -} diff --git a/src/arch/x86/intregfile.hh b/src/arch/x86/intregfile.hh index 131245352..a0adcc7e6 100644 --- a/src/arch/x86/intregfile.hh +++ b/src/arch/x86/intregfile.hh @@ -89,41 +89,14 @@ #define __ARCH_X86_INTREGFILE_HH__ #include "arch/x86/intregs.hh" -#include "arch/x86/types.hh" #include "arch/x86/x86_traits.hh" -#include - -class Checkpoint; - namespace X86ISA { - class Regfile; - const int NumIntArchRegs = NUM_INTREGS; const int NumIntRegs = NumIntArchRegs + NumMicroIntRegs + NumPseudoIntRegs + NumImplicitIntRegs; - - class IntRegFile - { - protected: - IntReg regs[NumIntRegs]; - - public: - - int flattenIndex(int reg); - - void clear(); - - IntReg readReg(int intReg); - - void setReg(int intReg, const IntReg &val); - - void serialize(std::ostream &os); - - void unserialize(Checkpoint *cp, const std::string §ion); - }; } #endif //__ARCH_X86_INTREGFILE__ diff --git a/src/arch/x86/regfile.cc b/src/arch/x86/regfile.cc index 70680703c..54bc0999d 100644 --- a/src/arch/x86/regfile.cc +++ b/src/arch/x86/regfile.cc @@ -127,21 +127,6 @@ Addr RegFile::readNextNPC() void RegFile::setNextNPC(Addr val) { } -void RegFile::clear() -{ - intRegFile.clear(); -} - -IntReg RegFile::readIntReg(int intReg) -{ - return intRegFile.readReg(intReg); -} - -void RegFile::setIntReg(int intReg, const IntReg &val) -{ - intRegFile.setReg(intReg, val); -} - void X86ISA::copyMiscRegs(ThreadContext *src, ThreadContext *dest) { @@ -167,15 +152,3 @@ X86ISA::copyRegs(ThreadContext *src, ThreadContext *dest) dest->setPC(src->readPC()); dest->setNextPC(src->readNextPC()); } - -void -RegFile::serialize(EventManager *em, std::ostream &os) -{ - intRegFile.serialize(os); -} - -void -RegFile::unserialize(EventManager *em, Checkpoint *cp, const string §ion) -{ - intRegFile.unserialize(cp, section); -} diff --git a/src/arch/x86/regfile.hh b/src/arch/x86/regfile.hh index d1dbe3823..6f7e9120c 100644 --- a/src/arch/x86/regfile.hh +++ b/src/arch/x86/regfile.hh @@ -97,20 +97,17 @@ namespace X86ISA Addr readNextNPC(); void setNextNPC(Addr val); - protected: - IntRegFile intRegFile; // integer register file - public: - void clear(); - - IntReg readIntReg(int intReg); + void clear() + {} - void setIntReg(int intReg, const IntReg &val); + void serialize(EventManager *em, std::ostream &os) + {} - void serialize(EventManager *em, std::ostream &os); void unserialize(EventManager *em, Checkpoint *cp, - const std::string §ion); + const std::string §ion) + {} }; void copyRegs(ThreadContext *src, ThreadContext *dest); diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc index 248e78314..36de86986 100644 --- a/src/cpu/inorder/cpu.cc +++ b/src/cpu/inorder/cpu.cc @@ -264,7 +264,7 @@ InOrderCPU::InOrderCPU(Params *params) squashSeqNum[tid] = MaxAddr; lastSquashCycle[tid] = 0; - intRegFile[tid].clear(); + memset(intRegs[tid], 0, sizeof(intRegs[tid])); memset(floatRegs.i[tid], 0, sizeof(floatRegs.i[tid])); isa[tid].clear(); @@ -886,7 +886,7 @@ InOrderCPU::setNextNPC(uint64_t new_NNPC, ThreadID tid) uint64_t InOrderCPU::readIntReg(int reg_idx, ThreadID tid) { - return intRegFile[tid].readReg(reg_idx); + return intRegs[tid][reg_idx]; } FloatReg @@ -904,7 +904,7 @@ InOrderCPU::readFloatRegBits(int reg_idx, ThreadID tid) void InOrderCPU::setIntReg(int reg_idx, uint64_t val, ThreadID tid) { - intRegFile[tid].setReg(reg_idx, val); + intRegs[tid][reg_idx] = val; } diff --git a/src/cpu/inorder/cpu.hh b/src/cpu/inorder/cpu.hh index f4cc72e9c..31010a01f 100644 --- a/src/cpu/inorder/cpu.hh +++ b/src/cpu/inorder/cpu.hh @@ -258,11 +258,11 @@ class InOrderCPU : public BaseCPU TheISA::IntReg nextNPC[ThePipeline::MaxThreads]; /** The Register File for the CPU */ - TheISA::IntRegFile intRegFile[ThePipeline::MaxThreads];; union { FloatReg f[ThePipeline::MaxThreads][TheISA::NumFloatRegs]; FloatRegBits i[ThePipeline::MaxThreads][TheISA::NumFloatRegs]; } floatRegs; + TheISA::IntReg intRegs[ThePipeline::MaxThreads][TheISA::NumIntRegs]; /** ISA state */ TheISA::ISA isa[ThePipeline::MaxThreads]; diff --git a/src/cpu/simple_thread.cc b/src/cpu/simple_thread.cc index 505222b37..d88e02ff1 100644 --- a/src/cpu/simple_thread.cc +++ b/src/cpu/simple_thread.cc @@ -71,7 +71,7 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys, quiesceEvent = new EndQuiesceEvent(tc); - regs.clear(); + clearArchRegs(); if (cpu->params()->profile) { profile = new FunctionProfile(system->kernelSymtab); @@ -96,7 +96,7 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, Process *_process, : ThreadState(_cpu, _thread_num, _process, _asid), cpu(_cpu), itb(_itb), dtb(_dtb) { - regs.clear(); + clearArchRegs(); tc = new ProxyThreadContext(this); } @@ -193,6 +193,7 @@ SimpleThread::serialize(ostream &os) ThreadState::serialize(os); regs.serialize(cpu, os); SERIALIZE_ARRAY(floatRegs.i, TheISA::NumFloatRegs); + SERIALIZE_ARRAY(intRegs, TheISA::NumIntRegs); // thread_num and cpu_id are deterministic from the config } @@ -203,6 +204,7 @@ SimpleThread::unserialize(Checkpoint *cp, const std::string §ion) ThreadState::unserialize(cp, section); regs.unserialize(cpu, cp, section); UNSERIALIZE_ARRAY(floatRegs.i, TheISA::NumFloatRegs); + UNSERIALIZE_ARRAY(intRegs, TheISA::NumIntRegs); // thread_num and cpu_id are deterministic from the config } diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh index 5e29fbb6d..97c02d7b8 100644 --- a/src/cpu/simple_thread.hh +++ b/src/cpu/simple_thread.hh @@ -36,6 +36,7 @@ #include "arch/isa_traits.hh" #include "arch/regfile.hh" #include "arch/tlb.hh" +#include "arch/types.hh" #include "base/types.hh" #include "config/full_system.hh" #include "cpu/thread_context.hh" @@ -103,6 +104,7 @@ class SimpleThread : public ThreadState FloatReg f[TheISA::NumFloatRegs]; FloatRegBits i[TheISA::NumFloatRegs]; } floatRegs; + TheISA::IntReg intRegs[TheISA::NumIntRegs]; TheISA::ISA isa; // one "instance" of the current ISA. public: @@ -230,6 +232,7 @@ class SimpleThread : public ThreadState void clearArchRegs() { regs.clear(); + memset(intRegs, 0, sizeof(intRegs)); memset(floatRegs.i, 0, sizeof(floatRegs.i)); } @@ -239,7 +242,7 @@ class SimpleThread : public ThreadState uint64_t readIntReg(int reg_idx) { int flatIndex = isa.flattenIntIndex(reg_idx); - return regs.readIntReg(flatIndex); + return intRegs[flatIndex]; } FloatReg readFloatReg(int reg_idx) @@ -257,7 +260,7 @@ class SimpleThread : public ThreadState void setIntReg(int reg_idx, uint64_t val) { int flatIndex = isa.flattenIntIndex(reg_idx); - regs.setIntReg(flatIndex, val); + intRegs[flatIndex] = val; } void setFloatReg(int reg_idx, FloatReg val)