diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2009-07-08 23:02:20 -0700 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2009-07-08 23:02:20 -0700 |
commit | 0cb180ea0dcece9157ad71b4136d557c2dbcf209 (patch) | |
tree | f65b3376cfe8cdad517f6a2a3a8c9e2cf69c987a /src/arch/sparc | |
parent | 25884a87733cd35ef6613aaef9a8a08194267552 (diff) | |
download | gem5-0cb180ea0dcece9157ad71b4136d557c2dbcf209.tar.xz |
Registers: Eliminate the ISA defined floating point register file.
Diffstat (limited to 'src/arch/sparc')
-rw-r--r-- | src/arch/sparc/SConscript | 1 | ||||
-rw-r--r-- | src/arch/sparc/floatregfile.cc | 80 | ||||
-rw-r--r-- | src/arch/sparc/floatregfile.hh | 74 | ||||
-rw-r--r-- | src/arch/sparc/regfile.cc | 23 | ||||
-rw-r--r-- | src/arch/sparc/regfile.hh | 10 | ||||
-rw-r--r-- | src/arch/sparc/sparc_traits.hh | 3 |
6 files changed, 2 insertions, 189 deletions
diff --git a/src/arch/sparc/SConscript b/src/arch/sparc/SConscript index eb0d21598..2b10951d9 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('floatregfile.cc') Source('intregfile.cc') Source('isa.cc') Source('miscregfile.cc') diff --git a/src/arch/sparc/floatregfile.cc b/src/arch/sparc/floatregfile.cc deleted file mode 100644 index 6fdc36489..000000000 --- a/src/arch/sparc/floatregfile.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/floatregfile.hh" -#include "base/trace.hh" -#include "sim/byteswap.hh" -#include "sim/serialize.hh" - -#include <string.h> - -using namespace SparcISA; -using namespace std; - -class Checkpoint; - -void FloatRegFile::clear() -{ - memset(regs.q, 0, sizeof(regs.q)); -} - -FloatReg FloatRegFile::readReg(int floatReg) -{ - return regs.s[floatReg]; -} - -FloatRegBits FloatRegFile::readRegBits(int floatReg) -{ - return regs.q[floatReg]; -} - -Fault FloatRegFile::setReg(int floatReg, const FloatReg &val) -{ - regs.s[floatReg] = val; - return NoFault; -} - -Fault FloatRegFile::setRegBits(int floatReg, const FloatRegBits &val) -{ - regs.q[floatReg] = val; - return NoFault; -} - -void FloatRegFile::serialize(std::ostream &os) -{ - SERIALIZE_ARRAY(regs.q, NumFloatRegs); -} - -void FloatRegFile::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ARRAY(regs.q, NumFloatRegs); -} - diff --git a/src/arch/sparc/floatregfile.hh b/src/arch/sparc/floatregfile.hh deleted file mode 100644 index d1ac39842..000000000 --- a/src/arch/sparc/floatregfile.hh +++ /dev/null @@ -1,74 +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 - */ - -#ifndef __ARCH_SPARC_FLOATREGFILE_HH__ -#define __ARCH_SPARC_FLOATREGFILE_HH__ - -#include "arch/sparc/faults.hh" -#include "arch/sparc/isa_traits.hh" -#include "arch/sparc/types.hh" - -#include <string> - -class Checkpoint; - -namespace SparcISA -{ - const int NumFloatArchRegs = 64; - const int NumFloatRegs = 64; - - class FloatRegFile - { - protected: - union { - uint32_t q[NumFloatRegs]; - float s[NumFloatRegs]; - } regs; - - public: - - void clear(); - - FloatReg readReg(int floatReg); - - FloatRegBits readRegBits(int floatReg); - - Fault setReg(int floatReg, const FloatReg &val); - - Fault setRegBits(int floatReg, const FloatRegBits &val); - - void serialize(std::ostream &os); - - void unserialize(Checkpoint *cp, const std::string §ion); - }; -} - -#endif diff --git a/src/arch/sparc/regfile.cc b/src/arch/sparc/regfile.cc index 287516f9a..83a3dbcc2 100644 --- a/src/arch/sparc/regfile.cc +++ b/src/arch/sparc/regfile.cc @@ -70,30 +70,9 @@ void RegFile::setNextNPC(Addr val) void RegFile::clear() { - floatRegFile.clear(); intRegFile.clear(); } -FloatReg RegFile::readFloatReg(int floatReg) -{ - return floatRegFile.readReg(floatReg); -} - -FloatRegBits RegFile::readFloatRegBits(int floatReg) -{ - return floatRegFile.readRegBits(floatReg); -} - -void RegFile::setFloatReg(int floatReg, const FloatReg &val) -{ - floatRegFile.setReg(floatReg, val); -} - -void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val) -{ - floatRegFile.setRegBits(floatReg, val); -} - IntReg RegFile::readIntReg(int intReg) { return intRegFile.readReg(intReg); @@ -108,7 +87,6 @@ void RegFile::serialize(EventManager *em, ostream &os) { intRegFile.serialize(os); - floatRegFile.serialize(os); SERIALIZE_SCALAR(pc); SERIALIZE_SCALAR(npc); SERIALIZE_SCALAR(nnpc); @@ -118,7 +96,6 @@ void RegFile::unserialize(EventManager *em, Checkpoint *cp, const string §ion) { intRegFile.unserialize(cp, section); - floatRegFile.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 a9d9be200..c28a5274f 100644 --- a/src/arch/sparc/regfile.hh +++ b/src/arch/sparc/regfile.hh @@ -34,7 +34,6 @@ #include <string> -#include "arch/sparc/floatregfile.hh" #include "arch/sparc/intregfile.hh" #include "arch/sparc/isa_traits.hh" #include "arch/sparc/miscregfile.hh" @@ -64,20 +63,11 @@ namespace SparcISA protected: IntRegFile intRegFile; // integer register file - FloatRegFile floatRegFile; // floating point register file public: void clear(); - FloatReg readFloatReg(int floatReg); - - FloatRegBits readFloatRegBits(int floatReg); - - void setFloatReg(int floatReg, const FloatReg &val); - - void setFloatRegBits(int floatReg, const FloatRegBits &val); - IntReg readIntReg(int intReg); void setIntReg(int intReg, const IntReg &val); diff --git a/src/arch/sparc/sparc_traits.hh b/src/arch/sparc/sparc_traits.hh index e154ba274..b8e3c2aef 100644 --- a/src/arch/sparc/sparc_traits.hh +++ b/src/arch/sparc/sparc_traits.hh @@ -49,7 +49,8 @@ namespace SparcISA // const int NumIntRegs = // NumRegularIntRegs + // NumMicroIntRegs; -// const int NumFloatRegs = 64; + const int NumFloatRegs = 64; + const int NumFloatArchRegs = NumFloatRegs; // const int NumMiscRegs = 40; } |