From: Gabe Black Date: Thu, 9 Jul 2009 06:02:21 +0000 (-0700) Subject: Registers: Add a registers.hh file as an ISA switched header. X-Git-Tag: Calvin_Submission~219^2~9 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b398b8ff1ba7e181e010afd6219074cf6f683820;p=gem5.git Registers: Add a registers.hh file as an ISA switched header. This file is for register indices, Num* constants, and register types. copyRegs and copyMiscRegs were moved to utility.hh and utility.cc. --HG-- rename : src/arch/alpha/regfile.hh => src/arch/alpha/registers.hh rename : src/arch/arm/regfile.hh => src/arch/arm/registers.hh rename : src/arch/mips/regfile.hh => src/arch/mips/registers.hh rename : src/arch/sparc/regfile.hh => src/arch/sparc/registers.hh rename : src/arch/x86/regfile.hh => src/arch/x86/registers.hh --- diff --git a/src/arch/SConscript b/src/arch/SConscript index a67cf869a..6dfcba185 100644 --- a/src/arch/SConscript +++ b/src/arch/SConscript @@ -55,7 +55,7 @@ isa_switch_hdrs = Split(''' mt.hh process.hh predecoder.hh - regfile.hh + registers.hh remote_gdb.hh stacktrace.hh tlb.hh diff --git a/src/arch/alpha/SConscript b/src/arch/alpha/SConscript index 2780af104..06f30149d 100644 --- a/src/arch/alpha/SConscript +++ b/src/arch/alpha/SConscript @@ -38,7 +38,6 @@ if env['TARGET_ISA'] == 'alpha': Source('isa.cc') Source('miscregfile.cc') Source('pagetable.cc') - Source('regfile.cc') Source('regredir.cc') Source('remote_gdb.cc') Source('tlb.cc') diff --git a/src/arch/alpha/isa_traits.hh b/src/arch/alpha/isa_traits.hh index 8157ef7ec..66c240ef3 100644 --- a/src/arch/alpha/isa_traits.hh +++ b/src/arch/alpha/isa_traits.hh @@ -34,8 +34,6 @@ namespace LittleEndianGuest {} -#include "arch/alpha/ipr.hh" -#include "arch/alpha/max_inst_regs.hh" #include "arch/alpha/types.hh" #include "base/types.hh" #include "config/full_system.hh" @@ -45,16 +43,6 @@ class StaticInstPtr; namespace AlphaISA { using namespace LittleEndianGuest; -using AlphaISAInst::MaxInstSrcRegs; -using AlphaISAInst::MaxInstDestRegs; - -// These enumerate all the registers for dependence tracking. -enum DependenceTags { - // 0..31 are the integer regs 0..31 - // 32..63 are the FP regs 0..31, i.e. use (reg + FP_Base_DepTag) - FP_Base_DepTag = 40, - Ctrl_Base_DepTag = 72 -}; StaticInstPtr decodeInst(ExtMachInst); @@ -128,21 +116,6 @@ enum mode_type // Constants Related to the number of registers enum { - // semantically meaningful register indices - ZeroReg = 31, // architecturally meaningful - // the rest of these depend on the ABI - StackPointerReg = 30, - GlobalPointerReg = 29, - ProcedureValueReg = 27, - ReturnAddressReg = 26, - ReturnValueReg = 0, - FramePointerReg = 15, - - SyscallNumReg = 0, - FirstArgumentReg = 16, - SyscallPseudoReturnReg = 20, - SyscallSuccessReg = 19, - LogVMPageSize = 13, // 8K bytes VMPageSize = (1 << LogVMPageSize), diff --git a/src/arch/alpha/miscregfile.hh b/src/arch/alpha/miscregfile.hh index b231ea855..bcf61db15 100644 --- a/src/arch/alpha/miscregfile.hh +++ b/src/arch/alpha/miscregfile.hh @@ -34,7 +34,7 @@ #include -#include "arch/alpha/ipr.hh" +#include "arch/alpha/registers.hh" #include "arch/alpha/types.hh" #include "base/types.hh" #include "sim/serialize.hh" @@ -45,15 +45,6 @@ class BaseCPU; namespace AlphaISA { -enum MiscRegIndex -{ - MISCREG_FPCR = NumInternalProcRegs, - MISCREG_UNIQ, - MISCREG_LOCKFLAG, - MISCREG_LOCKADDR, - MISCREG_INTR -}; - class MiscRegFile { public: diff --git a/src/arch/alpha/regfile.cc b/src/arch/alpha/regfile.cc deleted file mode 100644 index 0ddb9da8f..000000000 --- a/src/arch/alpha/regfile.cc +++ /dev/null @@ -1,76 +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: Steve Reinhardt - * Gabe Black - * Kevin Lim - */ - -#include "arch/alpha/isa_traits.hh" -#include "arch/alpha/regfile.hh" -#include "arch/alpha/miscregfile.hh" -#include "cpu/thread_context.hh" - -using namespace std; - -namespace AlphaISA { - -void -copyRegs(ThreadContext *src, ThreadContext *dest) -{ - // First loop through the integer registers. - for (int i = 0; i < NumIntRegs; ++i) - dest->setIntReg(i, src->readIntReg(i)); - - // Then loop through the floating point registers. - for (int i = 0; i < NumFloatRegs; ++i) - dest->setFloatRegBits(i, src->readFloatRegBits(i)); - - // Copy misc. registers - copyMiscRegs(src, dest); - - // Lastly copy PC/NPC - dest->setPC(src->readPC()); - dest->setNextPC(src->readNextPC()); -} - -void -copyMiscRegs(ThreadContext *src, ThreadContext *dest) -{ - dest->setMiscRegNoEffect(MISCREG_FPCR, - src->readMiscRegNoEffect(MISCREG_FPCR)); - dest->setMiscRegNoEffect(MISCREG_UNIQ, - src->readMiscRegNoEffect(MISCREG_UNIQ)); - dest->setMiscRegNoEffect(MISCREG_LOCKFLAG, - src->readMiscRegNoEffect(MISCREG_LOCKFLAG)); - dest->setMiscRegNoEffect(MISCREG_LOCKADDR, - src->readMiscRegNoEffect(MISCREG_LOCKADDR)); - - copyIprs(src, dest); -} - -} // namespace AlphaISA diff --git a/src/arch/alpha/regfile.hh b/src/arch/alpha/regfile.hh deleted file mode 100644 index c5fa981a6..000000000 --- a/src/arch/alpha/regfile.hh +++ /dev/null @@ -1,62 +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 - */ - -#ifndef __ARCH_ALPHA_REGFILE_HH__ -#define __ARCH_ALPHA_REGFILE_HH__ - -#include "arch/alpha/ipr.hh" - -class ThreadContext; - -namespace AlphaISA { - - const int NumIntArchRegs = 32; - const int NumPALShadowRegs = 8; - const int NumFloatArchRegs = 32; - // @todo: Figure out what this number really should be. - const int NumMiscArchRegs = 77; - - const int NumIntRegs = NumIntArchRegs + NumPALShadowRegs; - const int NumFloatRegs = NumFloatArchRegs; - const int NumMiscRegs = NumMiscArchRegs; - - const int TotalNumRegs = - NumIntRegs + NumFloatRegs + NumMiscRegs + NumInternalProcRegs; - - const int TotalDataRegs = NumIntRegs + NumFloatRegs; - - -void copyRegs(ThreadContext *src, ThreadContext *dest); - -void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - -} // namespace AlphaISA - -#endif // __ARCH_ALPHA_REGFILE_HH__ diff --git a/src/arch/alpha/registers.hh b/src/arch/alpha/registers.hh new file mode 100644 index 000000000..ec36ff751 --- /dev/null +++ b/src/arch/alpha/registers.hh @@ -0,0 +1,109 @@ +/* + * 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 + */ + +#ifndef __ARCH_ALPHA_REGISTERS_HH__ +#define __ARCH_ALPHA_REGISTERS_HH__ + +#include "arch/alpha/ipr.hh" +#include "arch/alpha/max_inst_regs.hh" +#include "base/types.hh" + +namespace AlphaISA { + +using AlphaISAInst::MaxInstSrcRegs; +using AlphaISAInst::MaxInstDestRegs; + +typedef uint8_t RegIndex; +typedef uint64_t IntReg; + +// floating point register file entry type +typedef double FloatReg; +typedef uint64_t FloatRegBits; + +// control register file contents +typedef uint64_t MiscReg; + +union AnyReg +{ + IntReg intreg; + FloatReg fpreg; + MiscReg ctrlreg; +}; + +enum MiscRegIndex +{ + MISCREG_FPCR = NumInternalProcRegs, + MISCREG_UNIQ, + MISCREG_LOCKFLAG, + MISCREG_LOCKADDR, + MISCREG_INTR +}; + +// semantically meaningful register indices +const RegIndex ZeroReg = 31; // architecturally meaningful +// the rest of these depend on the ABI +const RegIndex StackPointerReg = 30; +const RegIndex GlobalPointerReg = 29; +const RegIndex ProcedureValueReg = 27; +const RegIndex ReturnAddressReg = 26; +const RegIndex ReturnValueReg = 0; +const RegIndex FramePointerReg = 15; + +const RegIndex SyscallNumReg = 0; +const RegIndex FirstArgumentReg = 16; +const RegIndex SyscallPseudoReturnReg = 20; +const RegIndex SyscallSuccessReg = 19; + +const int NumIntArchRegs = 32; +const int NumPALShadowRegs = 8; +const int NumFloatArchRegs = 32; +// @todo: Figure out what this number really should be. +const int NumMiscArchRegs = 77; + +const int NumIntRegs = NumIntArchRegs + NumPALShadowRegs; +const int NumFloatRegs = NumFloatArchRegs; +const int NumMiscRegs = NumMiscArchRegs; + +const int TotalNumRegs = + NumIntRegs + NumFloatRegs + NumMiscRegs + NumInternalProcRegs; + +const int TotalDataRegs = NumIntRegs + NumFloatRegs; + +// These enumerate all the registers for dependence tracking. +enum DependenceTags { + // 0..31 are the integer regs 0..31 + // 32..63 are the FP regs 0..31, i.e. use (reg + FP_Base_DepTag) + FP_Base_DepTag = 40, + Ctrl_Base_DepTag = 72 +}; + +} // namespace AlphaISA + +#endif // __ARCH_ALPHA_REGFILE_HH__ diff --git a/src/arch/alpha/regredir.hh b/src/arch/alpha/regredir.hh index ac50ec482..6e12be41f 100644 --- a/src/arch/alpha/regredir.hh +++ b/src/arch/alpha/regredir.hh @@ -31,7 +31,7 @@ #ifndef __ARCH_ALPHA_REGREDIR_HH__ #define __ARCH_ALPHA_REGREDIR_HH__ -#include "arch/alpha/regfile.hh" +#include "arch/alpha/registers.hh" namespace AlphaISA { diff --git a/src/arch/alpha/types.hh b/src/arch/alpha/types.hh index d670784c4..0d285c3b2 100644 --- a/src/arch/alpha/types.hh +++ b/src/arch/alpha/types.hh @@ -38,25 +38,9 @@ namespace AlphaISA { typedef uint32_t MachInst; typedef uint64_t ExtMachInst; -typedef uint8_t RegIndex; -typedef uint64_t IntReg; typedef uint64_t LargestRead; -// floating point register file entry type -typedef double FloatReg; -typedef uint64_t FloatRegBits; - -// control register file contents -typedef uint64_t MiscReg; - -union AnyReg -{ - IntReg intreg; - FloatReg fpreg; - MiscReg ctrlreg; -}; - enum annotes { ANNOTE_NONE = 0, diff --git a/src/arch/alpha/utility.cc b/src/arch/alpha/utility.cc index 763da0d4f..c336a4fb3 100644 --- a/src/arch/alpha/utility.cc +++ b/src/arch/alpha/utility.cc @@ -61,5 +61,39 @@ getArgument(ThreadContext *tc, int number, bool fp) #endif } +void +copyRegs(ThreadContext *src, ThreadContext *dest) +{ + // First loop through the integer registers. + for (int i = 0; i < NumIntRegs; ++i) + dest->setIntReg(i, src->readIntReg(i)); + + // Then loop through the floating point registers. + for (int i = 0; i < NumFloatRegs; ++i) + dest->setFloatRegBits(i, src->readFloatRegBits(i)); + + // Copy misc. registers + copyMiscRegs(src, dest); + + // Lastly copy PC/NPC + dest->setPC(src->readPC()); + dest->setNextPC(src->readNextPC()); +} + +void +copyMiscRegs(ThreadContext *src, ThreadContext *dest) +{ + dest->setMiscRegNoEffect(MISCREG_FPCR, + src->readMiscRegNoEffect(MISCREG_FPCR)); + dest->setMiscRegNoEffect(MISCREG_UNIQ, + src->readMiscRegNoEffect(MISCREG_UNIQ)); + dest->setMiscRegNoEffect(MISCREG_LOCKFLAG, + src->readMiscRegNoEffect(MISCREG_LOCKFLAG)); + dest->setMiscRegNoEffect(MISCREG_LOCKADDR, + src->readMiscRegNoEffect(MISCREG_LOCKADDR)); + + copyIprs(src, dest); +} + } // namespace AlphaISA diff --git a/src/arch/alpha/utility.hh b/src/arch/alpha/utility.hh index 71ee4aceb..de4261418 100644 --- a/src/arch/alpha/utility.hh +++ b/src/arch/alpha/utility.hh @@ -159,6 +159,10 @@ template void processInterrupts(TC *tc); #endif +void copyRegs(ThreadContext *src, ThreadContext *dest); + +void copyMiscRegs(ThreadContext *src, ThreadContext *dest); + } // namespace AlphaISA #endif // __ARCH_ALPHA_UTILITY_HH__ diff --git a/src/arch/arm/SConscript b/src/arch/arm/SConscript index ea55314a4..7244252d8 100644 --- a/src/arch/arm/SConscript +++ b/src/arch/arm/SConscript @@ -41,7 +41,6 @@ if env['TARGET_ISA'] == 'arm': Source('insts/static_inst.cc') Source('isa.cc') Source('pagetable.cc') - Source('regfile.cc') Source('tlb.cc') Source('vtophys.cc') diff --git a/src/arch/arm/isa_traits.hh b/src/arch/arm/isa_traits.hh index d670d673d..542174b6b 100644 --- a/src/arch/arm/isa_traits.hh +++ b/src/arch/arm/isa_traits.hh @@ -33,7 +33,6 @@ #ifndef __ARCH_ARM_ISA_TRAITS_HH__ #define __ARCH_ARM_ISA_TRAITS_HH__ -#include "arch/arm/max_inst_regs.hh" #include "arch/arm/types.hh" #include "base/types.hh" @@ -46,8 +45,6 @@ class StaticInstPtr; namespace ArmISA { using namespace LittleEndianGuest; - using ArmISAInst::MaxInstSrcRegs; - using ArmISAInst::MaxInstDestRegs; StaticInstPtr decodeInst(ExtMachInst); @@ -98,36 +95,6 @@ namespace ArmISA // return a no-op instruction... used for instruction fetch faults const ExtMachInst NoopMachInst = 0x00000000; - // Constants Related to the number of registers - const int NumIntArchRegs = 16; - const int NumIntSpecialRegs = 19; - const int NumFloatArchRegs = 16; - const int NumFloatSpecialRegs = 5; - const int NumInternalProcRegs = 0; - - const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs; - const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs; - - // semantically meaningful register indices - const int ReturnValueReg = 0; - const int ReturnValueReg1 = 1; - const int ReturnValueReg2 = 2; - const int ArgumentReg0 = 0; - const int ArgumentReg1 = 1; - const int ArgumentReg2 = 2; - const int ArgumentReg3 = 3; - const int FramePointerReg = 11; - const int StackPointerReg = 13; - const int ReturnAddressReg = 14; - const int PCReg = 15; - - const int ZeroReg = NumIntArchRegs; - const int AddrReg = ZeroReg + 1; // Used to generate address for uops - - const int SyscallNumReg = ReturnValueReg; - const int SyscallPseudoReturnReg = ReturnValueReg; - const int SyscallSuccessReg = ReturnValueReg; - const int LogVMPageSize = 12; // 4K bytes const int VMPageSize = (1 << LogVMPageSize); @@ -137,10 +104,6 @@ namespace ArmISA const int WordBytes = 4; const int HalfwordBytes = 2; const int ByteBytes = 1; - - // These help enumerate all the registers for dependence tracking. - const int FP_Base_DepTag = NumIntRegs; - const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs; }; using namespace ArmISA; diff --git a/src/arch/arm/misc_regfile.hh b/src/arch/arm/misc_regfile.hh index e89826956..6cafc524f 100644 --- a/src/arch/arm/misc_regfile.hh +++ b/src/arch/arm/misc_regfile.hh @@ -31,8 +31,7 @@ #ifndef __ARCH_ARM_REGFILE_MISC_REGFILE_HH__ #define __ARCH_ARM_REGFILE_MISC_REGFILE_HH__ -#include "arch/arm/isa_traits.hh" -#include "arch/arm/miscregs.hh" +#include "arch/arm/registers.hh" #include "arch/arm/types.hh" #include "sim/faults.hh" @@ -40,9 +39,8 @@ class ThreadContext; namespace ArmISA { - const int NumMiscRegs = NUM_MISCREGS; - - static inline std::string getMiscRegName(RegIndex) + static inline std::string + getMiscRegName(RegIndex) { return ""; } diff --git a/src/arch/arm/regfile.cc b/src/arch/arm/regfile.cc deleted file mode 100644 index 6bc694050..000000000 --- a/src/arch/arm/regfile.cc +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright (c) 2007-2008 The Florida State University - * 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: Stephen Hines - */ - -#include "arch/arm/regfile.hh" -#include "base/misc.hh" -#include "sim/serialize.hh" - -using namespace std; - -namespace ArmISA -{ - -void -copyRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("Copy Regs Not Implemented Yet\n"); -} - -void -copyMiscRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("Copy Misc. Regs Not Implemented Yet\n"); -} - -void -MiscRegFile::copyMiscRegs(ThreadContext *tc) -{ - panic("Copy Misc. Regs Not Implemented Yet\n"); -} - -} // namespace ArmISA diff --git a/src/arch/arm/regfile.hh b/src/arch/arm/regfile.hh deleted file mode 100644 index 694351b0f..000000000 --- a/src/arch/arm/regfile.hh +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (c) 2007-2008 The Florida State University - * 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: Stephen Hines - */ - -#ifndef __ARCH_ARM_REGFILE_REGFILE_HH__ -#define __ARCH_ARM_REGFILE_REGFILE_HH__ - -#include "arch/arm/types.hh" -#include "arch/arm/misc_regfile.hh" -#include "sim/faults.hh" - -class Checkpoint; -class EventManager; -class ThreadContext; - -namespace ArmISA -{ - enum FPControlRegNums { - FIR = NumFloatArchRegs, - FCCR, - FEXR, - FENR, - FCSR - }; - - enum FCSRBits { - Inexact = 1, - Underflow, - Overflow, - DivideByZero, - Invalid, - Unimplemented - }; - - enum FCSRFields { - Flag_Field = 1, - Enable_Field = 6, - Cause_Field = 11 - }; - - enum MiscIntRegNums { - zero_reg = NumIntArchRegs, - addr_reg, - - rhi, - rlo, - - r8_fiq, /* FIQ mode register bank */ - r9_fiq, - r10_fiq, - r11_fiq, - r12_fiq, - - r13_fiq, /* FIQ mode SP and LR */ - r14_fiq, - - r13_irq, /* IRQ mode SP and LR */ - r14_irq, - - r13_svc, /* SVC mode SP and LR */ - r14_svc, - - r13_undef, /* UNDEF mode SP and LR */ - r14_undef, - - r13_abt, /* ABT mode SP and LR */ - r14_abt - }; - - void copyRegs(ThreadContext *src, ThreadContext *dest); - - void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - -} // namespace ArmISA - -#endif diff --git a/src/arch/arm/registers.hh b/src/arch/arm/registers.hh new file mode 100644 index 000000000..7f9b6b828 --- /dev/null +++ b/src/arch/arm/registers.hh @@ -0,0 +1,150 @@ +/* + * Copyright (c) 2007-2008 The Florida State University + * 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: Stephen Hines + */ + +#ifndef __ARCH_ARM_REGISTERS_HH__ +#define __ARCH_ARM_REGISTERS_HH__ + +#include "arch/arm/max_inst_regs.hh" +#include "arch/arm/miscregs.hh" + +namespace ArmISA { + +using ArmISAInst::MaxInstSrcRegs; +using ArmISAInst::MaxInstDestRegs; + +typedef uint8_t RegIndex; + +typedef uint64_t IntReg; + +// floating point register file entry type +typedef uint32_t FloatRegBits; +typedef float FloatReg; + +// cop-0/cop-1 system control register +typedef uint64_t MiscReg; + +// Constants Related to the number of registers +const int NumIntArchRegs = 16; +const int NumIntSpecialRegs = 19; +const int NumFloatArchRegs = 16; +const int NumFloatSpecialRegs = 5; +const int NumInternalProcRegs = 0; + +const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs; +const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs; + +const int NumMiscRegs = NUM_MISCREGS; + + +// semantically meaningful register indices +const int ReturnValueReg = 0; +const int ReturnValueReg1 = 1; +const int ReturnValueReg2 = 2; +const int ArgumentReg0 = 0; +const int ArgumentReg1 = 1; +const int ArgumentReg2 = 2; +const int ArgumentReg3 = 3; +const int FramePointerReg = 11; +const int StackPointerReg = 13; +const int ReturnAddressReg = 14; +const int PCReg = 15; + +const int ZeroReg = NumIntArchRegs; +const int AddrReg = ZeroReg + 1; // Used to generate address for uops + +const int SyscallNumReg = ReturnValueReg; +const int SyscallPseudoReturnReg = ReturnValueReg; +const int SyscallSuccessReg = ReturnValueReg; + +// These help enumerate all the registers for dependence tracking. +const int FP_Base_DepTag = NumIntRegs; +const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs; + +typedef union { + IntReg intreg; + FloatReg fpreg; + MiscReg ctrlreg; +} AnyReg; + +enum FPControlRegNums { + FIR = NumFloatArchRegs, + FCCR, + FEXR, + FENR, + FCSR +}; + +enum FCSRBits { + Inexact = 1, + Underflow, + Overflow, + DivideByZero, + Invalid, + Unimplemented +}; + +enum FCSRFields { + Flag_Field = 1, + Enable_Field = 6, + Cause_Field = 11 +}; + +enum MiscIntRegNums { + zero_reg = NumIntArchRegs, + addr_reg, + + rhi, + rlo, + + r8_fiq, /* FIQ mode register bank */ + r9_fiq, + r10_fiq, + r11_fiq, + r12_fiq, + + r13_fiq, /* FIQ mode SP and LR */ + r14_fiq, + + r13_irq, /* IRQ mode SP and LR */ + r14_irq, + + r13_svc, /* SVC mode SP and LR */ + r14_svc, + + r13_undef, /* UNDEF mode SP and LR */ + r14_undef, + + r13_abt, /* ABT mode SP and LR */ + r14_abt +}; + +} // namespace ArmISA + +#endif diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh index 82d1c332c..2c4e1291c 100644 --- a/src/arch/arm/types.hh +++ b/src/arch/arm/types.hh @@ -113,25 +113,9 @@ namespace ArmISA ROR }; - typedef uint8_t RegIndex; - - typedef uint64_t IntReg; typedef uint64_t LargestRead; // Need to use 64 bits to make sure that read requests get handled properly - // floating point register file entry type - typedef uint32_t FloatRegBits; - typedef float FloatReg; - - // cop-0/cop-1 system control register - typedef uint64_t MiscReg; - - typedef union { - IntReg intreg; - FloatReg fpreg; - MiscReg ctrlreg; - } AnyReg; - typedef int RegContextParam; typedef int RegContextVal; diff --git a/src/arch/arm/utility.hh b/src/arch/arm/utility.hh index 93f207ec7..a2f0ef170 100644 --- a/src/arch/arm/utility.hh +++ b/src/arch/arm/utility.hh @@ -113,6 +113,18 @@ namespace ArmISA { { return NoFault; } + + static inline void + copyRegs(ThreadContext *src, ThreadContext *dest) + { + panic("Copy Regs Not Implemented Yet\n"); + } + + static inline void + copyMiscRegs(ThreadContext *src, ThreadContext *dest) + { + panic("Copy Misc. Regs Not Implemented Yet\n"); + } }; diff --git a/src/arch/mips/isa_traits.hh b/src/arch/mips/isa_traits.hh index 7522dcf0f..a8d5b07b6 100644 --- a/src/arch/mips/isa_traits.hh +++ b/src/arch/mips/isa_traits.hh @@ -143,7 +143,6 @@ namespace MipsISA NumInterruptLevels = INTLEVEL_EXTERNAL_MAX }; - // MIPS modes enum mode_type { @@ -154,53 +153,9 @@ namespace MipsISA mode_number // number of modes }; - inline mode_type getOperatingMode(MiscReg Stat) - { - if((Stat & 0x10000006) != 0 || (Stat & 0x18) ==0) - return mode_kernel; - else{ - if((Stat & 0x18) == 0x8) - return mode_supervisor; - else if((Stat & 0x18) == 0x10) - return mode_user; - else return mode_number; - } - } - - // return a no-op instruction... used for instruction fetch faults const ExtMachInst NoopMachInst = 0x00000000; - // Constants Related to the number of registers - const int NumIntArchRegs = 32; - const int NumIntSpecialRegs = 9; - const int NumFloatArchRegs = 32; - const int NumFloatSpecialRegs = 5; - - const int MaxShadowRegSets = 16; // Maximum number of shadow register sets - const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs; //HI & LO Regs - const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs;// - - // Static instruction parameters - const int MaxInstSrcRegs = 10; - const int MaxInstDestRegs = 8; - - // semantically meaningful register indices - const int ZeroReg = 0; - const int AssemblerReg = 1; - const int SyscallSuccessReg = 7; - const int FirstArgumentReg = 4; - const int ReturnValueReg = 2; - - const int KernelReg0 = 26; - const int KernelReg1 = 27; - const int GlobalPointerReg = 28; - const int StackPointerReg = 29; - const int FramePointerReg = 30; - const int ReturnAddressReg = 31; - - const int SyscallPseudoReturnReg = 3; - const int LogVMPageSize = 13; // 8K bytes const int VMPageSize = (1 << LogVMPageSize); @@ -213,174 +168,6 @@ namespace MipsISA const int ANNOTE_NONE = 0; const uint32_t ITOUCH_ANNOTE = 0xffffffff; - - // These help enumerate all the registers for dependence tracking. - const int FP_Base_DepTag = NumIntRegs; - const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs; - - // Enumerate names for 'Control' Registers in the CPU - // Reference MIPS32 Arch. for Programmers, Vol. III, Ch.8 - // (Register Number-Register Select) Summary of Register - //------------------------------------------------------ - // The first set of names classify the CP0 names as Register Banks - // for easy indexing when using the 'RD + SEL' index combination - // in CP0 instructions. - enum MiscRegTags { - Index = Ctrl_Base_DepTag + 0, //Bank 0: 0 - 3 - MVPControl, - MVPConf0, - MVPConf1, - - CP0_Random = Ctrl_Base_DepTag + 8, //Bank 1: 8 - 15 - VPEControl, - VPEConf0, - VPEConf1, - YQMask, - VPESchedule, - VPEScheFBack, - VPEOpt, - - EntryLo0 = Ctrl_Base_DepTag + 16, //Bank 2: 16 - 23 - TCStatus, - TCBind, - TCRestart, - TCHalt, - TCContext, - TCSchedule, - TCScheFBack, - - EntryLo1 = Ctrl_Base_DepTag + 24, // Bank 3: 24 - - Context = Ctrl_Base_DepTag + 32, // Bank 4: 32 - 33 - ContextConfig, - - PageMask = Ctrl_Base_DepTag + 40, //Bank 5: 40 - 41 - PageGrain = Ctrl_Base_DepTag + 41, - - Wired = Ctrl_Base_DepTag + 48, //Bank 6:48-55 - SRSConf0, - SRSConf1, - SRSConf2, - SRSConf3, - SRSConf4, - - HWRena = Ctrl_Base_DepTag + 56, //Bank 7: 56-63 - - BadVAddr = Ctrl_Base_DepTag + 64, //Bank 8: 64-71 - - Count = Ctrl_Base_DepTag + 72, //Bank 9: 72-79 - - EntryHi = Ctrl_Base_DepTag + 80, //Bank 10: 80-87 - - Compare = Ctrl_Base_DepTag + 88, //Bank 11: 88-95 - - Status = Ctrl_Base_DepTag + 96, //Bank 12: 96-103 - IntCtl, - SRSCtl, - SRSMap, - - Cause = Ctrl_Base_DepTag + 104, //Bank 13: 104-111 - - EPC = Ctrl_Base_DepTag + 112, //Bank 14: 112-119 - - PRId = Ctrl_Base_DepTag + 120, //Bank 15: 120-127, - EBase, - - Config = Ctrl_Base_DepTag + 128, //Bank 16: 128-135 - Config1, - Config2, - Config3, - Config4, - Config5, - Config6, - Config7, - - - LLAddr = Ctrl_Base_DepTag + 136, //Bank 17: 136-143 - - WatchLo0 = Ctrl_Base_DepTag + 144, //Bank 18: 144-151 - WatchLo1, - WatchLo2, - WatchLo3, - WatchLo4, - WatchLo5, - WatchLo6, - WatchLo7, - - WatchHi0 = Ctrl_Base_DepTag + 152, //Bank 19: 152-159 - WatchHi1, - WatchHi2, - WatchHi3, - WatchHi4, - WatchHi5, - WatchHi6, - WatchHi7, - - XCContext64 = Ctrl_Base_DepTag + 160, //Bank 20: 160-167 - - //Bank 21: 168-175 - - //Bank 22: 176-183 - - Debug = Ctrl_Base_DepTag + 184, //Bank 23: 184-191 - TraceControl1, - TraceControl2, - UserTraceData, - TraceBPC, - - DEPC = Ctrl_Base_DepTag + 192, //Bank 24: 192-199 - - PerfCnt0 = Ctrl_Base_DepTag + 200, //Bank 25: 200-207 - PerfCnt1, - PerfCnt2, - PerfCnt3, - PerfCnt4, - PerfCnt5, - PerfCnt6, - PerfCnt7, - - ErrCtl = Ctrl_Base_DepTag + 208, //Bank 26: 208-215 - - CacheErr0 = Ctrl_Base_DepTag + 216, //Bank 27: 216-223 - CacheErr1, - CacheErr2, - CacheErr3, - - TagLo0 = Ctrl_Base_DepTag + 224, //Bank 28: 224-231 - DataLo1, - TagLo2, - DataLo3, - TagLo4, - DataLo5, - TagLo6, - DataLo7, - - TagHi0 = Ctrl_Base_DepTag + 232, //Bank 29: 232-239 - DataHi1, - TagHi2, - DataHi3, - TagHi4, - DataHi5, - TagHi6, - DataHi7, - - - ErrorEPC = Ctrl_Base_DepTag + 240, //Bank 30: 240-247 - - DESAVE = Ctrl_Base_DepTag + 248, //Bank 31: 248-256 - - LLFlag = Ctrl_Base_DepTag + 257, - - NumControlRegs - }; - - const int TotalDataRegs = NumIntRegs + NumFloatRegs; - - const int NumMiscRegs = NumControlRegs; - - const int TotalNumRegs = NumIntRegs + NumFloatRegs + NumMiscRegs; - - }; #endif // __ARCH_MIPS_ISA_TRAITS_HH__ diff --git a/src/arch/mips/locked_mem.hh b/src/arch/mips/locked_mem.hh index 021b8cf73..e202a11aa 100644 --- a/src/arch/mips/locked_mem.hh +++ b/src/arch/mips/locked_mem.hh @@ -37,7 +37,7 @@ * ISA-specific helper functions for locked memory accesses. */ -#include "arch/isa_traits.hh" +#include "arch/registers.hh" #include "base/misc.hh" #include "base/trace.hh" #include "mem/request.hh" diff --git a/src/arch/mips/mt.hh b/src/arch/mips/mt.hh index 8b4c9f908..b581d5cf0 100755 --- a/src/arch/mips/mt.hh +++ b/src/arch/mips/mt.hh @@ -37,9 +37,10 @@ * ISA-specific helper functions for multithreaded execution. */ -#include "arch/isa_traits.hh" #include "arch/mips/faults.hh" +#include "arch/mips/isa_traits.hh" #include "arch/mips/mt_constants.hh" +#include "arch/mips/registers.hh" #include "base/bitfield.hh" #include "base/trace.hh" #include "base/misc.hh" diff --git a/src/arch/mips/regfile.hh b/src/arch/mips/regfile.hh deleted file mode 100644 index fd32a5af5..000000000 --- a/src/arch/mips/regfile.hh +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2006 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: Korey Sewell - */ - -#ifndef __ARCH_MIPS_REGFILE_HH__ -#define __ARCH_MIPS_REGFILE_HH__ - -#include -#include - -#include "arch/mips/isa_traits.hh" - -class BaseCPU; -class Checkpoint; -class EventManager; - -namespace MipsISA -{ - const uint32_t MIPS32_QNAN = 0x7fbfffff; - const uint64_t MIPS64_QNAN = ULL(0x7fbfffffffffffff); - - enum FPControlRegNums { - FIR = NumFloatArchRegs, - FCCR, - FEXR, - FENR, - FCSR - }; - - enum FCSRBits { - Inexact = 1, - Underflow, - Overflow, - DivideByZero, - Invalid, - Unimplemented - }; - - enum FCSRFields { - Flag_Field = 1, - Enable_Field = 6, - Cause_Field = 11 - }; - - enum MiscIntRegNums { - LO = NumIntArchRegs, - HI, - DSPACX0, - DSPLo1, - DSPHi1, - DSPACX1, - DSPLo2, - DSPHi2, - DSPACX2, - DSPLo3, - DSPHi3, - DSPACX3, - DSPControl, - DSPLo0 = LO, - DSPHi0 = HI - }; - - //@TODO: Implementing ShadowSets needs to - //edit this value such that: - //TotalArchRegs = NumIntArchRegs * ShadowSets - const int TotalArchRegs = NumIntArchRegs; - -} // namespace MipsISA - -#endif diff --git a/src/arch/mips/registers.hh b/src/arch/mips/registers.hh new file mode 100644 index 000000000..b996b4717 --- /dev/null +++ b/src/arch/mips/registers.hh @@ -0,0 +1,307 @@ +/* + * Copyright (c) 2006 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: Korey Sewell + */ + +#ifndef __ARCH_MIPS_REGISTERS_HH__ +#define __ARCH_MIPS_REGISTERS_HH__ + +#include "arch/mips/max_inst_regs.hh" +#include "base/misc.hh" +#include "base/types.hh" + +class ThreadContext; + +namespace MipsISA +{ + +using MipsISAInst::MaxInstSrcRegs; +using MipsISAInst::MaxInstDestRegs; + +// Constants Related to the number of registers +const int NumIntArchRegs = 32; +const int NumIntSpecialRegs = 9; +const int NumFloatArchRegs = 32; +const int NumFloatSpecialRegs = 5; + +const int MaxShadowRegSets = 16; // Maximum number of shadow register sets +const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs; //HI & LO Regs +const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs;// + +const uint32_t MIPS32_QNAN = 0x7fbfffff; +const uint64_t MIPS64_QNAN = ULL(0x7fbfffffffffffff); + +enum FPControlRegNums { + FIR = NumFloatArchRegs, + FCCR, + FEXR, + FENR, + FCSR +}; + +enum FCSRBits { + Inexact = 1, + Underflow, + Overflow, + DivideByZero, + Invalid, + Unimplemented +}; + +enum FCSRFields { + Flag_Field = 1, + Enable_Field = 6, + Cause_Field = 11 +}; + +enum MiscIntRegNums { + LO = NumIntArchRegs, + HI, + DSPACX0, + DSPLo1, + DSPHi1, + DSPACX1, + DSPLo2, + DSPHi2, + DSPACX2, + DSPLo3, + DSPHi3, + DSPACX3, + DSPControl, + DSPLo0 = LO, + DSPHi0 = HI +}; + +// semantically meaningful register indices +const int ZeroReg = 0; +const int AssemblerReg = 1; +const int SyscallSuccessReg = 7; +const int FirstArgumentReg = 4; +const int ReturnValueReg = 2; + +const int KernelReg0 = 26; +const int KernelReg1 = 27; +const int GlobalPointerReg = 28; +const int StackPointerReg = 29; +const int FramePointerReg = 30; +const int ReturnAddressReg = 31; + +const int SyscallPseudoReturnReg = 3; + +//@TODO: Implementing ShadowSets needs to +//edit this value such that: +//TotalArchRegs = NumIntArchRegs * ShadowSets +const int TotalArchRegs = NumIntArchRegs; + +// These help enumerate all the registers for dependence tracking. +const int FP_Base_DepTag = NumIntRegs; +const int Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs; + +// Enumerate names for 'Control' Registers in the CPU +// Reference MIPS32 Arch. for Programmers, Vol. III, Ch.8 +// (Register Number-Register Select) Summary of Register +//------------------------------------------------------ +// The first set of names classify the CP0 names as Register Banks +// for easy indexing when using the 'RD + SEL' index combination +// in CP0 instructions. +enum MiscRegTags { + Index = Ctrl_Base_DepTag + 0, //Bank 0: 0 - 3 + MVPControl, + MVPConf0, + MVPConf1, + + CP0_Random = Ctrl_Base_DepTag + 8, //Bank 1: 8 - 15 + VPEControl, + VPEConf0, + VPEConf1, + YQMask, + VPESchedule, + VPEScheFBack, + VPEOpt, + + EntryLo0 = Ctrl_Base_DepTag + 16, //Bank 2: 16 - 23 + TCStatus, + TCBind, + TCRestart, + TCHalt, + TCContext, + TCSchedule, + TCScheFBack, + + EntryLo1 = Ctrl_Base_DepTag + 24, // Bank 3: 24 + + Context = Ctrl_Base_DepTag + 32, // Bank 4: 32 - 33 + ContextConfig, + + PageMask = Ctrl_Base_DepTag + 40, //Bank 5: 40 - 41 + PageGrain = Ctrl_Base_DepTag + 41, + + Wired = Ctrl_Base_DepTag + 48, //Bank 6:48-55 + SRSConf0, + SRSConf1, + SRSConf2, + SRSConf3, + SRSConf4, + + HWRena = Ctrl_Base_DepTag + 56, //Bank 7: 56-63 + + BadVAddr = Ctrl_Base_DepTag + 64, //Bank 8: 64-71 + + Count = Ctrl_Base_DepTag + 72, //Bank 9: 72-79 + + EntryHi = Ctrl_Base_DepTag + 80, //Bank 10: 80-87 + + Compare = Ctrl_Base_DepTag + 88, //Bank 11: 88-95 + + Status = Ctrl_Base_DepTag + 96, //Bank 12: 96-103 + IntCtl, + SRSCtl, + SRSMap, + + Cause = Ctrl_Base_DepTag + 104, //Bank 13: 104-111 + + EPC = Ctrl_Base_DepTag + 112, //Bank 14: 112-119 + + PRId = Ctrl_Base_DepTag + 120, //Bank 15: 120-127, + EBase, + + Config = Ctrl_Base_DepTag + 128, //Bank 16: 128-135 + Config1, + Config2, + Config3, + Config4, + Config5, + Config6, + Config7, + + + LLAddr = Ctrl_Base_DepTag + 136, //Bank 17: 136-143 + + WatchLo0 = Ctrl_Base_DepTag + 144, //Bank 18: 144-151 + WatchLo1, + WatchLo2, + WatchLo3, + WatchLo4, + WatchLo5, + WatchLo6, + WatchLo7, + + WatchHi0 = Ctrl_Base_DepTag + 152, //Bank 19: 152-159 + WatchHi1, + WatchHi2, + WatchHi3, + WatchHi4, + WatchHi5, + WatchHi6, + WatchHi7, + + XCContext64 = Ctrl_Base_DepTag + 160, //Bank 20: 160-167 + + //Bank 21: 168-175 + + //Bank 22: 176-183 + + Debug = Ctrl_Base_DepTag + 184, //Bank 23: 184-191 + TraceControl1, + TraceControl2, + UserTraceData, + TraceBPC, + + DEPC = Ctrl_Base_DepTag + 192, //Bank 24: 192-199 + + PerfCnt0 = Ctrl_Base_DepTag + 200, //Bank 25: 200-207 + PerfCnt1, + PerfCnt2, + PerfCnt3, + PerfCnt4, + PerfCnt5, + PerfCnt6, + PerfCnt7, + + ErrCtl = Ctrl_Base_DepTag + 208, //Bank 26: 208-215 + + CacheErr0 = Ctrl_Base_DepTag + 216, //Bank 27: 216-223 + CacheErr1, + CacheErr2, + CacheErr3, + + TagLo0 = Ctrl_Base_DepTag + 224, //Bank 28: 224-231 + DataLo1, + TagLo2, + DataLo3, + TagLo4, + DataLo5, + TagLo6, + DataLo7, + + TagHi0 = Ctrl_Base_DepTag + 232, //Bank 29: 232-239 + DataHi1, + TagHi2, + DataHi3, + TagHi4, + DataHi5, + TagHi6, + DataHi7, + + + ErrorEPC = Ctrl_Base_DepTag + 240, //Bank 30: 240-247 + + DESAVE = Ctrl_Base_DepTag + 248, //Bank 31: 248-256 + + LLFlag = Ctrl_Base_DepTag + 257, + + NumControlRegs +}; + +const int TotalDataRegs = NumIntRegs + NumFloatRegs; + +const int NumMiscRegs = NumControlRegs; + +const int TotalNumRegs = NumIntRegs + NumFloatRegs + NumMiscRegs; + +typedef uint16_t RegIndex; + +typedef uint32_t IntReg; + +// floating point register file entry type +typedef uint32_t FloatRegBits; +typedef float FloatReg; + +// cop-0/cop-1 system control register +typedef uint64_t MiscReg; + +typedef union { + IntReg intreg; + FloatReg fpreg; + MiscReg ctrlreg; +} AnyReg; + +} // namespace MipsISA + +#endif diff --git a/src/arch/mips/tlb.cc b/src/arch/mips/tlb.cc index 001dc2cb7..18a29122c 100644 --- a/src/arch/mips/tlb.cc +++ b/src/arch/mips/tlb.cc @@ -58,6 +58,21 @@ using namespace MipsISA; #define MODE2MASK(X) (1 << (X)) +static inline mode_type +getOperatingMode(MiscReg Stat) +{ + if((Stat & 0x10000006) != 0 || (Stat & 0x18) ==0) { + return mode_kernel; + } else if((Stat & 0x18) == 0x8) { + return mode_supervisor; + } else if((Stat & 0x18) == 0x10) { + return mode_user; + } else { + return mode_number; + } +} + + TLB::TLB(const Params *p) : BaseTLB(p), size(p->size), nlu(0) { diff --git a/src/arch/mips/types.hh b/src/arch/mips/types.hh index e38e80975..f203d7d57 100644 --- a/src/arch/mips/types.hh +++ b/src/arch/mips/types.hh @@ -37,25 +37,9 @@ namespace MipsISA { typedef uint32_t MachInst; typedef uint64_t ExtMachInst; - typedef uint16_t RegIndex; - typedef uint32_t IntReg; typedef uint64_t LargestRead; - - // floating point register file entry type - typedef uint32_t FloatRegBits; - typedef float FloatReg; - - // cop-0/cop-1 system control register - typedef uint64_t MiscReg; - - typedef union { - IntReg intreg; - FloatReg fpreg; - MiscReg ctrlreg; - } AnyReg; - //used in FP convert & round function enum ConvertType{ SINGLE_TO_DOUBLE, diff --git a/src/arch/mips/utility.cc b/src/arch/mips/utility.cc index 5908caf68..4723d6301 100644 --- a/src/arch/mips/utility.cc +++ b/src/arch/mips/utility.cc @@ -233,18 +233,6 @@ isSnan(void *val_ptr, int size) } } -void -copyRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("Copy Regs Not Implemented Yet\n"); -} - -void -copyMiscRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("Copy Misc. Regs Not Implemented Yet\n"); -} - template void zeroRegisters(CPU *cpu) @@ -262,4 +250,16 @@ startupCPU(ThreadContext *tc, int cpuId) tc->activate(0/*tc->threadId()*/); } +void +copyRegs(ThreadContext *src, ThreadContext *dest) +{ + panic("Copy Regs Not Implemented Yet\n"); +} + +void +copyMiscRegs(ThreadContext *src, ThreadContext *dest) +{ + panic("Copy Misc. Regs Not Implemented Yet\n"); +} + } // namespace MipsISA diff --git a/src/arch/mips/utility.hh b/src/arch/mips/utility.hh index a88c77db9..23c965bd4 100644 --- a/src/arch/mips/utility.hh +++ b/src/arch/mips/utility.hh @@ -103,11 +103,6 @@ namespace MipsISA { return 0; } - void copyRegs(ThreadContext *src, ThreadContext *dest); - - void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - - template void zeroRegisters(CPU *cpu); @@ -128,6 +123,9 @@ namespace MipsISA { // CPU Utility // void startupCPU(ThreadContext *tc, int cpuId); + + void copyRegs(ThreadContext *src, ThreadContext *dest); + void copyMiscRegs(ThreadContext *src, ThreadContext *dest); }; diff --git a/src/arch/sparc/SConscript b/src/arch/sparc/SConscript index cfc03b718..5dcadc143 100644 --- a/src/arch/sparc/SConscript +++ b/src/arch/sparc/SConscript @@ -37,7 +37,6 @@ if env['TARGET_ISA'] == 'sparc': Source('isa.cc') Source('miscregfile.cc') Source('pagetable.cc') - Source('regfile.cc') Source('remote_gdb.cc') Source('tlb.cc') Source('utility.cc') diff --git a/src/arch/sparc/isa/includes.isa b/src/arch/sparc/isa/includes.isa index 135bd58c3..bc9273ad3 100644 --- a/src/arch/sparc/isa/includes.isa +++ b/src/arch/sparc/isa/includes.isa @@ -40,7 +40,7 @@ output header {{ #include "arch/sparc/faults.hh" #include "arch/sparc/isa_traits.hh" -#include "arch/sparc/regfile.hh" +#include "arch/sparc/registers.hh" #include "base/condcodes.hh" #include "base/misc.hh" #include "cpu/static_inst.hh" diff --git a/src/arch/sparc/isa_traits.hh b/src/arch/sparc/isa_traits.hh index 407602f90..2af624d39 100644 --- a/src/arch/sparc/isa_traits.hh +++ b/src/arch/sparc/isa_traits.hh @@ -33,7 +33,6 @@ #define __ARCH_SPARC_ISA_TRAITS_HH__ #include "arch/sparc/types.hh" -#include "arch/sparc/max_inst_regs.hh" #include "arch/sparc/sparc_traits.hh" #include "base/types.hh" #include "config/full_system.hh" @@ -48,8 +47,6 @@ namespace SparcISA //This makes sure the big endian versions of certain functions are used. using namespace BigEndianGuest; - using SparcISAInst::MaxInstSrcRegs; - using SparcISAInst::MaxInstDestRegs; // SPARC has a delay slot #define ISA_HAS_DELAY_SLOT 1 @@ -57,23 +54,6 @@ namespace SparcISA // SPARC NOP (sethi %(hi(0), g0) const MachInst NoopMachInst = 0x01000000; - // These enumerate all the registers for dependence tracking. - enum DependenceTags { - FP_Base_DepTag = 32*3+9, - Ctrl_Base_DepTag = FP_Base_DepTag + 64 - }; - - // semantically meaningful register indices - const int ZeroReg = 0; // architecturally meaningful - // the rest of these depend on the ABI - const int ReturnAddressReg = 31; // post call, precall is 15 - const int ReturnValueReg = 8; // Post return, 24 is pre-return. - const int StackPointerReg = 14; - const int FramePointerReg = 30; - - // Some OS syscall use a second register (o1) to return a second value - const int SyscallPseudoReturnReg = 9; - //8K. This value is implmentation specific; and should probably //be somewhere else. const int LogVMPageSize = 13; diff --git a/src/arch/sparc/linux/process.cc b/src/arch/sparc/linux/process.cc index 28aa1e50c..b39508386 100644 --- a/src/arch/sparc/linux/process.cc +++ b/src/arch/sparc/linux/process.cc @@ -32,7 +32,7 @@ #include "arch/sparc/isa_traits.hh" #include "arch/sparc/linux/process.hh" -#include "arch/sparc/regfile.hh" +#include "arch/sparc/registers.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" diff --git a/src/arch/sparc/miscregfile.hh b/src/arch/sparc/miscregfile.hh index 9eff7fcac..c6ba27b93 100644 --- a/src/arch/sparc/miscregfile.hh +++ b/src/arch/sparc/miscregfile.hh @@ -34,6 +34,8 @@ #include "arch/sparc/faults.hh" #include "arch/sparc/isa_traits.hh" +#include "arch/sparc/miscregs.hh" +#include "arch/sparc/registers.hh" #include "arch/sparc/types.hh" #include "cpu/cpuevent.hh" @@ -43,125 +45,6 @@ class Checkpoint; namespace SparcISA { - enum MiscRegIndex - { - /** Ancillary State Registers */ -// MISCREG_Y, -// MISCREG_CCR, - MISCREG_ASI, - MISCREG_TICK, - MISCREG_FPRS, - MISCREG_PCR, - MISCREG_PIC, - MISCREG_GSR, - MISCREG_SOFTINT_SET, - MISCREG_SOFTINT_CLR, - MISCREG_SOFTINT, /* 10 */ - MISCREG_TICK_CMPR, - MISCREG_STICK, - MISCREG_STICK_CMPR, - - /** Privilged Registers */ - MISCREG_TPC, - MISCREG_TNPC, - MISCREG_TSTATE, - MISCREG_TT, - MISCREG_PRIVTICK, - MISCREG_TBA, - MISCREG_PSTATE, /* 20 */ - MISCREG_TL, - MISCREG_PIL, - MISCREG_CWP, -// MISCREG_CANSAVE, -// MISCREG_CANRESTORE, -// MISCREG_CLEANWIN, -// MISCREG_OTHERWIN, -// MISCREG_WSTATE, - MISCREG_GL, - - /** Hyper privileged registers */ - MISCREG_HPSTATE, /* 30 */ - MISCREG_HTSTATE, - MISCREG_HINTP, - MISCREG_HTBA, - MISCREG_HVER, - MISCREG_STRAND_STS_REG, - MISCREG_HSTICK_CMPR, - - /** Floating Point Status Register */ - MISCREG_FSR, - - /** MMU Internal Registers */ - MISCREG_MMU_P_CONTEXT, - MISCREG_MMU_S_CONTEXT, /* 40 */ - MISCREG_MMU_PART_ID, - MISCREG_MMU_LSU_CTRL, - - /** Scratchpad regiscers **/ - MISCREG_SCRATCHPAD_R0, /* 60 */ - MISCREG_SCRATCHPAD_R1, - MISCREG_SCRATCHPAD_R2, - MISCREG_SCRATCHPAD_R3, - MISCREG_SCRATCHPAD_R4, - MISCREG_SCRATCHPAD_R5, - MISCREG_SCRATCHPAD_R6, - MISCREG_SCRATCHPAD_R7, - - /* CPU Queue Registers */ - MISCREG_QUEUE_CPU_MONDO_HEAD, - MISCREG_QUEUE_CPU_MONDO_TAIL, - MISCREG_QUEUE_DEV_MONDO_HEAD, /* 70 */ - MISCREG_QUEUE_DEV_MONDO_TAIL, - MISCREG_QUEUE_RES_ERROR_HEAD, - MISCREG_QUEUE_RES_ERROR_TAIL, - MISCREG_QUEUE_NRES_ERROR_HEAD, - MISCREG_QUEUE_NRES_ERROR_TAIL, - - /* All the data for the TLB packed up in one register. */ - MISCREG_TLB_DATA, - MISCREG_NUMMISCREGS - }; - - struct HPSTATE { - const static uint64_t id = 0x800; // this impl. dependent (id) field m - const static uint64_t ibe = 0x400; - const static uint64_t red = 0x20; - const static uint64_t hpriv = 0x4; - const static uint64_t tlz = 0x1; - }; - - - struct PSTATE { - const static int cle = 0x200; - const static int tle = 0x100; - const static int mm = 0xC0; - const static int pef = 0x10; - const static int am = 0x8; - const static int priv = 0x4; - const static int ie = 0x2; - }; - - struct STS { - const static int st_idle = 0x00; - const static int st_wait = 0x01; - const static int st_halt = 0x02; - const static int st_run = 0x05; - const static int st_spec_run = 0x07; - const static int st_spec_rdy = 0x13; - const static int st_ready = 0x19; - const static int active = 0x01; - const static int speculative = 0x04; - const static int shft_id = 8; - const static int shft_fsm0 = 31; - const static int shft_fsm1 = 26; - const static int shft_fsm2 = 21; - const static int shft_fsm3 = 16; - }; - - - const int NumMiscArchRegs = MISCREG_NUMMISCREGS; - const int NumMiscRegs = MISCREG_NUMMISCREGS; - // The control registers, broken out into fields class MiscRegFile { diff --git a/src/arch/sparc/miscregs.hh b/src/arch/sparc/miscregs.hh new file mode 100644 index 000000000..f7fff6ee0 --- /dev/null +++ b/src/arch/sparc/miscregs.hh @@ -0,0 +1,159 @@ +/* + * 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_MISCREGS_HH__ +#define __ARCH_SPARC_MISCREGS_HH__ + +#include "base/types.hh" + +namespace SparcISA +{ + enum MiscRegIndex + { + /** Ancillary State Registers */ +// MISCREG_Y, +// MISCREG_CCR, + MISCREG_ASI, + MISCREG_TICK, + MISCREG_FPRS, + MISCREG_PCR, + MISCREG_PIC, + MISCREG_GSR, + MISCREG_SOFTINT_SET, + MISCREG_SOFTINT_CLR, + MISCREG_SOFTINT, /* 10 */ + MISCREG_TICK_CMPR, + MISCREG_STICK, + MISCREG_STICK_CMPR, + + /** Privilged Registers */ + MISCREG_TPC, + MISCREG_TNPC, + MISCREG_TSTATE, + MISCREG_TT, + MISCREG_PRIVTICK, + MISCREG_TBA, + MISCREG_PSTATE, /* 20 */ + MISCREG_TL, + MISCREG_PIL, + MISCREG_CWP, +// MISCREG_CANSAVE, +// MISCREG_CANRESTORE, +// MISCREG_CLEANWIN, +// MISCREG_OTHERWIN, +// MISCREG_WSTATE, + MISCREG_GL, + + /** Hyper privileged registers */ + MISCREG_HPSTATE, /* 30 */ + MISCREG_HTSTATE, + MISCREG_HINTP, + MISCREG_HTBA, + MISCREG_HVER, + MISCREG_STRAND_STS_REG, + MISCREG_HSTICK_CMPR, + + /** Floating Point Status Register */ + MISCREG_FSR, + + /** MMU Internal Registers */ + MISCREG_MMU_P_CONTEXT, + MISCREG_MMU_S_CONTEXT, /* 40 */ + MISCREG_MMU_PART_ID, + MISCREG_MMU_LSU_CTRL, + + /** Scratchpad regiscers **/ + MISCREG_SCRATCHPAD_R0, /* 60 */ + MISCREG_SCRATCHPAD_R1, + MISCREG_SCRATCHPAD_R2, + MISCREG_SCRATCHPAD_R3, + MISCREG_SCRATCHPAD_R4, + MISCREG_SCRATCHPAD_R5, + MISCREG_SCRATCHPAD_R6, + MISCREG_SCRATCHPAD_R7, + + /* CPU Queue Registers */ + MISCREG_QUEUE_CPU_MONDO_HEAD, + MISCREG_QUEUE_CPU_MONDO_TAIL, + MISCREG_QUEUE_DEV_MONDO_HEAD, /* 70 */ + MISCREG_QUEUE_DEV_MONDO_TAIL, + MISCREG_QUEUE_RES_ERROR_HEAD, + MISCREG_QUEUE_RES_ERROR_TAIL, + MISCREG_QUEUE_NRES_ERROR_HEAD, + MISCREG_QUEUE_NRES_ERROR_TAIL, + + /* All the data for the TLB packed up in one register. */ + MISCREG_TLB_DATA, + MISCREG_NUMMISCREGS + }; + + struct HPSTATE { + const static uint64_t id = 0x800; // this impl. dependent (id) field m + const static uint64_t ibe = 0x400; + const static uint64_t red = 0x20; + const static uint64_t hpriv = 0x4; + const static uint64_t tlz = 0x1; + }; + + + struct PSTATE { + const static int cle = 0x200; + const static int tle = 0x100; + const static int mm = 0xC0; + const static int pef = 0x10; + const static int am = 0x8; + const static int priv = 0x4; + const static int ie = 0x2; + }; + + struct STS { + const static int st_idle = 0x00; + const static int st_wait = 0x01; + const static int st_halt = 0x02; + const static int st_run = 0x05; + const static int st_spec_run = 0x07; + const static int st_spec_rdy = 0x13; + const static int st_ready = 0x19; + const static int active = 0x01; + const static int speculative = 0x04; + const static int shft_id = 8; + const static int shft_fsm0 = 31; + const static int shft_fsm1 = 26; + const static int shft_fsm2 = 21; + const static int shft_fsm3 = 16; + }; + + + const int NumMiscArchRegs = MISCREG_NUMMISCREGS; + const int NumMiscRegs = MISCREG_NUMMISCREGS; +} + +#endif diff --git a/src/arch/sparc/regfile.cc b/src/arch/sparc/regfile.cc deleted file mode 100644 index 28ffc57aa..000000000 --- a/src/arch/sparc/regfile.cc +++ /dev/null @@ -1,190 +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/regfile.hh" -#include "arch/sparc/miscregfile.hh" -#include "cpu/thread_context.hh" - -using namespace SparcISA; - -void SparcISA::copyMiscRegs(ThreadContext *src, ThreadContext *dest) -{ - - uint8_t tl = src->readMiscRegNoEffect(MISCREG_TL); - - // Read all the trap level dependent registers and save them off - for(int i = 1; i <= MaxTL; i++) - { - src->setMiscRegNoEffect(MISCREG_TL, i); - dest->setMiscRegNoEffect(MISCREG_TL, i); - - dest->setMiscRegNoEffect(MISCREG_TT, src->readMiscRegNoEffect(MISCREG_TT)); - dest->setMiscRegNoEffect(MISCREG_TPC, src->readMiscRegNoEffect(MISCREG_TPC)); - dest->setMiscRegNoEffect(MISCREG_TNPC, src->readMiscRegNoEffect(MISCREG_TNPC)); - dest->setMiscRegNoEffect(MISCREG_TSTATE, src->readMiscRegNoEffect(MISCREG_TSTATE)); - } - - // Save off the traplevel - dest->setMiscRegNoEffect(MISCREG_TL, tl); - src->setMiscRegNoEffect(MISCREG_TL, tl); - - - // ASRs -// dest->setMiscRegNoEffect(MISCREG_Y, src->readMiscRegNoEffect(MISCREG_Y)); -// dest->setMiscRegNoEffect(MISCREG_CCR, src->readMiscRegNoEffect(MISCREG_CCR)); - dest->setMiscRegNoEffect(MISCREG_ASI, src->readMiscRegNoEffect(MISCREG_ASI)); - dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK)); - dest->setMiscRegNoEffect(MISCREG_FPRS, src->readMiscRegNoEffect(MISCREG_FPRS)); - dest->setMiscRegNoEffect(MISCREG_SOFTINT, src->readMiscRegNoEffect(MISCREG_SOFTINT)); - dest->setMiscRegNoEffect(MISCREG_TICK_CMPR, src->readMiscRegNoEffect(MISCREG_TICK_CMPR)); - dest->setMiscRegNoEffect(MISCREG_STICK, src->readMiscRegNoEffect(MISCREG_STICK)); - dest->setMiscRegNoEffect(MISCREG_STICK_CMPR, src->readMiscRegNoEffect(MISCREG_STICK_CMPR)); - - // Priv Registers - dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK)); - dest->setMiscRegNoEffect(MISCREG_TBA, src->readMiscRegNoEffect(MISCREG_TBA)); - dest->setMiscRegNoEffect(MISCREG_PSTATE, src->readMiscRegNoEffect(MISCREG_PSTATE)); - dest->setMiscRegNoEffect(MISCREG_PIL, src->readMiscRegNoEffect(MISCREG_PIL)); - dest->setMiscRegNoEffect(MISCREG_CWP, src->readMiscRegNoEffect(MISCREG_CWP)); -// dest->setMiscRegNoEffect(MISCREG_CANSAVE, src->readMiscRegNoEffect(MISCREG_CANSAVE)); -// dest->setMiscRegNoEffect(MISCREG_CANRESTORE, src->readMiscRegNoEffect(MISCREG_CANRESTORE)); -// dest->setMiscRegNoEffect(MISCREG_OTHERWIN, src->readMiscRegNoEffect(MISCREG_OTHERWIN)); -// dest->setMiscRegNoEffect(MISCREG_CLEANWIN, src->readMiscRegNoEffect(MISCREG_CLEANWIN)); -// dest->setMiscRegNoEffect(MISCREG_WSTATE, src->readMiscRegNoEffect(MISCREG_WSTATE)); - dest->setMiscRegNoEffect(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL)); - - // Hyperprivilged registers - dest->setMiscRegNoEffect(MISCREG_HPSTATE, src->readMiscRegNoEffect(MISCREG_HPSTATE)); - dest->setMiscRegNoEffect(MISCREG_HINTP, src->readMiscRegNoEffect(MISCREG_HINTP)); - dest->setMiscRegNoEffect(MISCREG_HTBA, src->readMiscRegNoEffect(MISCREG_HTBA)); - dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG, - src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG)); - dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR, - src->readMiscRegNoEffect(MISCREG_HSTICK_CMPR)); - - // FSR - dest->setMiscRegNoEffect(MISCREG_FSR, src->readMiscRegNoEffect(MISCREG_FSR)); - - //Strand Status Register - dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG, - src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG)); - - // MMU Registers - dest->setMiscRegNoEffect(MISCREG_MMU_P_CONTEXT, - src->readMiscRegNoEffect(MISCREG_MMU_P_CONTEXT)); - dest->setMiscRegNoEffect(MISCREG_MMU_S_CONTEXT, - src->readMiscRegNoEffect(MISCREG_MMU_S_CONTEXT)); - dest->setMiscRegNoEffect(MISCREG_MMU_PART_ID, - src->readMiscRegNoEffect(MISCREG_MMU_PART_ID)); - dest->setMiscRegNoEffect(MISCREG_MMU_LSU_CTRL, - src->readMiscRegNoEffect(MISCREG_MMU_LSU_CTRL)); - - // Scratchpad Registers - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R0, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R0)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R1, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R1)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R2, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R2)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R3, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R3)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R4, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R4)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R5, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R5)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R6, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R6)); - dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R7, - src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R7)); - - // Queue Registers - dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD, - src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL, - src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD, - src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL, - src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD, - src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL, - src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD, - src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD)); - dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL, - src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL)); -} - -void SparcISA::copyRegs(ThreadContext *src, ThreadContext *dest) -{ - //First loop through the integer registers. - int old_gl = src->readMiscRegNoEffect(MISCREG_GL); - int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP); - //Globals - for (int x = 0; x < MaxGL; ++x) { - src->setMiscRegNoEffect(MISCREG_GL, x); - dest->setMiscRegNoEffect(MISCREG_GL, x); - // Skip %g0 which is always zero. - for (int y = 1; y < 8; y++) - dest->setIntReg(y, src->readIntReg(y)); - } - //Locals and ins. Outs are all also ins. - for (int x = 0; x < NWindows; ++x) { - src->setMiscRegNoEffect(MISCREG_CWP, x); - dest->setMiscRegNoEffect(MISCREG_CWP, x); - for (int y = 16; y < 32; y++) - dest->setIntReg(y, src->readIntReg(y)); - } - //Microcode reg and pseudo int regs (misc regs in the integer regfile). - for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y) - dest->setIntReg(y, src->readIntReg(y)); - - //Restore src's GL, CWP - src->setMiscRegNoEffect(MISCREG_GL, old_gl); - src->setMiscRegNoEffect(MISCREG_CWP, old_cwp); - - - // Then loop through the floating point registers. - for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) { - dest->setFloatRegBits(i, src->readFloatRegBits(i)); - } - - // Copy misc. registers - copyMiscRegs(src, dest); - - - // Lastly copy PC/NPC - dest->setPC(src->readPC()); - dest->setNextPC(src->readNextPC()); - dest->setNextNPC(src->readNextNPC()); -} - diff --git a/src/arch/sparc/regfile.hh b/src/arch/sparc/regfile.hh deleted file mode 100644 index 28885271f..000000000 --- a/src/arch/sparc/regfile.hh +++ /dev/null @@ -1,56 +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_REGFILE_HH__ -#define __ARCH_SPARC_REGFILE_HH__ - -#include -#include - -#include "arch/sparc/miscregfile.hh" -#include "arch/sparc/sparc_traits.hh" - -class Checkpoint; -class EventManager; -class ThreadContext; - -namespace SparcISA -{ - const int NumIntArchRegs = 32; - const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; - - void copyRegs(ThreadContext *src, ThreadContext *dest); - - void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - -} // namespace SparcISA - -#endif diff --git a/src/arch/sparc/registers.hh b/src/arch/sparc/registers.hh new file mode 100644 index 000000000..639b7a487 --- /dev/null +++ b/src/arch/sparc/registers.hh @@ -0,0 +1,80 @@ +/* + * 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_REGISTERS_HH__ +#define __ARCH_SPARC_REGISTERS_HH__ + +#include "arch/sparc/max_inst_regs.hh" +#include "arch/sparc/miscregs.hh" +#include "arch/sparc/sparc_traits.hh" +#include "base/types.hh" + +namespace SparcISA +{ + using SparcISAInst::MaxInstSrcRegs; + using SparcISAInst::MaxInstDestRegs; + + typedef uint64_t IntReg; + typedef uint64_t MiscReg; + typedef float FloatReg; + typedef uint32_t FloatRegBits; + typedef union + { + IntReg intReg; + FloatReg fpreg; + MiscReg ctrlreg; + } AnyReg; + + typedef uint16_t RegIndex; + + // These enumerate all the registers for dependence tracking. + enum DependenceTags { + FP_Base_DepTag = 32*3+9, + Ctrl_Base_DepTag = FP_Base_DepTag + 64 + }; + + // semantically meaningful register indices + const int ZeroReg = 0; // architecturally meaningful + // the rest of these depend on the ABI + const int ReturnAddressReg = 31; // post call, precall is 15 + const int ReturnValueReg = 8; // Post return, 24 is pre-return. + const int StackPointerReg = 14; + const int FramePointerReg = 30; + + // Some OS syscall use a second register (o1) to return a second value + const int SyscallPseudoReturnReg = 9; + + const int NumIntArchRegs = 32; + const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; + +} // namespace SparcISA + +#endif diff --git a/src/arch/sparc/solaris/process.cc b/src/arch/sparc/solaris/process.cc index 22924736b..eafb488df 100644 --- a/src/arch/sparc/solaris/process.cc +++ b/src/arch/sparc/solaris/process.cc @@ -30,7 +30,7 @@ #include "arch/sparc/isa_traits.hh" #include "arch/sparc/solaris/process.hh" -#include "arch/sparc/regfile.hh" +#include "arch/sparc/registers.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" diff --git a/src/arch/sparc/types.hh b/src/arch/sparc/types.hh index c7ece9dfa..70558ec6d 100644 --- a/src/arch/sparc/types.hh +++ b/src/arch/sparc/types.hh @@ -39,19 +39,7 @@ namespace SparcISA typedef uint32_t MachInst; typedef uint64_t ExtMachInst; - typedef uint64_t IntReg; typedef Twin64_t LargestRead; - typedef uint64_t MiscReg; - typedef float FloatReg; - typedef uint32_t FloatRegBits; - typedef union - { - IntReg intReg; - FloatReg fpreg; - MiscReg ctrlreg; - } AnyReg; - - typedef uint16_t RegIndex; struct CoreSpecific { int core_type; diff --git a/src/arch/sparc/utility.cc b/src/arch/sparc/utility.cc index d4cc286e6..9c9b833fe 100644 --- a/src/arch/sparc/utility.cc +++ b/src/arch/sparc/utility.cc @@ -61,4 +61,159 @@ uint64_t getArgument(ThreadContext *tc, int number, bool fp) { M5_DUMMY_RETURN #endif } + +void +copyMiscRegs(ThreadContext *src, ThreadContext *dest) +{ + + uint8_t tl = src->readMiscRegNoEffect(MISCREG_TL); + + // Read all the trap level dependent registers and save them off + for(int i = 1; i <= MaxTL; i++) + { + src->setMiscRegNoEffect(MISCREG_TL, i); + dest->setMiscRegNoEffect(MISCREG_TL, i); + + dest->setMiscRegNoEffect(MISCREG_TT, src->readMiscRegNoEffect(MISCREG_TT)); + dest->setMiscRegNoEffect(MISCREG_TPC, src->readMiscRegNoEffect(MISCREG_TPC)); + dest->setMiscRegNoEffect(MISCREG_TNPC, src->readMiscRegNoEffect(MISCREG_TNPC)); + dest->setMiscRegNoEffect(MISCREG_TSTATE, src->readMiscRegNoEffect(MISCREG_TSTATE)); + } + + // Save off the traplevel + dest->setMiscRegNoEffect(MISCREG_TL, tl); + src->setMiscRegNoEffect(MISCREG_TL, tl); + + + // ASRs +// dest->setMiscRegNoEffect(MISCREG_Y, src->readMiscRegNoEffect(MISCREG_Y)); +// dest->setMiscRegNoEffect(MISCREG_CCR, src->readMiscRegNoEffect(MISCREG_CCR)); + dest->setMiscRegNoEffect(MISCREG_ASI, src->readMiscRegNoEffect(MISCREG_ASI)); + dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK)); + dest->setMiscRegNoEffect(MISCREG_FPRS, src->readMiscRegNoEffect(MISCREG_FPRS)); + dest->setMiscRegNoEffect(MISCREG_SOFTINT, src->readMiscRegNoEffect(MISCREG_SOFTINT)); + dest->setMiscRegNoEffect(MISCREG_TICK_CMPR, src->readMiscRegNoEffect(MISCREG_TICK_CMPR)); + dest->setMiscRegNoEffect(MISCREG_STICK, src->readMiscRegNoEffect(MISCREG_STICK)); + dest->setMiscRegNoEffect(MISCREG_STICK_CMPR, src->readMiscRegNoEffect(MISCREG_STICK_CMPR)); + + // Priv Registers + dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK)); + dest->setMiscRegNoEffect(MISCREG_TBA, src->readMiscRegNoEffect(MISCREG_TBA)); + dest->setMiscRegNoEffect(MISCREG_PSTATE, src->readMiscRegNoEffect(MISCREG_PSTATE)); + dest->setMiscRegNoEffect(MISCREG_PIL, src->readMiscRegNoEffect(MISCREG_PIL)); + dest->setMiscRegNoEffect(MISCREG_CWP, src->readMiscRegNoEffect(MISCREG_CWP)); +// dest->setMiscRegNoEffect(MISCREG_CANSAVE, src->readMiscRegNoEffect(MISCREG_CANSAVE)); +// dest->setMiscRegNoEffect(MISCREG_CANRESTORE, src->readMiscRegNoEffect(MISCREG_CANRESTORE)); +// dest->setMiscRegNoEffect(MISCREG_OTHERWIN, src->readMiscRegNoEffect(MISCREG_OTHERWIN)); +// dest->setMiscRegNoEffect(MISCREG_CLEANWIN, src->readMiscRegNoEffect(MISCREG_CLEANWIN)); +// dest->setMiscRegNoEffect(MISCREG_WSTATE, src->readMiscRegNoEffect(MISCREG_WSTATE)); + dest->setMiscRegNoEffect(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL)); + + // Hyperprivilged registers + dest->setMiscRegNoEffect(MISCREG_HPSTATE, src->readMiscRegNoEffect(MISCREG_HPSTATE)); + dest->setMiscRegNoEffect(MISCREG_HINTP, src->readMiscRegNoEffect(MISCREG_HINTP)); + dest->setMiscRegNoEffect(MISCREG_HTBA, src->readMiscRegNoEffect(MISCREG_HTBA)); + dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG, + src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG)); + dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR, + src->readMiscRegNoEffect(MISCREG_HSTICK_CMPR)); + + // FSR + dest->setMiscRegNoEffect(MISCREG_FSR, src->readMiscRegNoEffect(MISCREG_FSR)); + + //Strand Status Register + dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG, + src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG)); + + // MMU Registers + dest->setMiscRegNoEffect(MISCREG_MMU_P_CONTEXT, + src->readMiscRegNoEffect(MISCREG_MMU_P_CONTEXT)); + dest->setMiscRegNoEffect(MISCREG_MMU_S_CONTEXT, + src->readMiscRegNoEffect(MISCREG_MMU_S_CONTEXT)); + dest->setMiscRegNoEffect(MISCREG_MMU_PART_ID, + src->readMiscRegNoEffect(MISCREG_MMU_PART_ID)); + dest->setMiscRegNoEffect(MISCREG_MMU_LSU_CTRL, + src->readMiscRegNoEffect(MISCREG_MMU_LSU_CTRL)); + + // Scratchpad Registers + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R0, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R0)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R1, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R1)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R2, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R2)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R3, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R3)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R4, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R4)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R5, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R5)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R6, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R6)); + dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R7, + src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R7)); + + // Queue Registers + dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD, + src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL, + src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD, + src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL, + src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD, + src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL, + src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD, + src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD)); + dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL, + src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL)); +} + +void +copyRegs(ThreadContext *src, ThreadContext *dest) +{ + //First loop through the integer registers. + int old_gl = src->readMiscRegNoEffect(MISCREG_GL); + int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP); + //Globals + for (int x = 0; x < MaxGL; ++x) { + src->setMiscRegNoEffect(MISCREG_GL, x); + dest->setMiscRegNoEffect(MISCREG_GL, x); + // Skip %g0 which is always zero. + for (int y = 1; y < 8; y++) + dest->setIntReg(y, src->readIntReg(y)); + } + //Locals and ins. Outs are all also ins. + for (int x = 0; x < NWindows; ++x) { + src->setMiscRegNoEffect(MISCREG_CWP, x); + dest->setMiscRegNoEffect(MISCREG_CWP, x); + for (int y = 16; y < 32; y++) + dest->setIntReg(y, src->readIntReg(y)); + } + //Microcode reg and pseudo int regs (misc regs in the integer regfile). + for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y) + dest->setIntReg(y, src->readIntReg(y)); + + //Restore src's GL, CWP + src->setMiscRegNoEffect(MISCREG_GL, old_gl); + src->setMiscRegNoEffect(MISCREG_CWP, old_cwp); + + + // Then loop through the floating point registers. + for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) { + dest->setFloatRegBits(i, src->readFloatRegBits(i)); + } + + // Copy misc. registers + copyMiscRegs(src, dest); + + + // Lastly copy PC/NPC + dest->setPC(src->readPC()); + dest->setNextPC(src->readNextPC()); + dest->setNextNPC(src->readNextNPC()); +} } //namespace SPARC_ISA diff --git a/src/arch/sparc/utility.hh b/src/arch/sparc/utility.hh index c0c3756f5..551570723 100644 --- a/src/arch/sparc/utility.hh +++ b/src/arch/sparc/utility.hh @@ -116,6 +116,10 @@ namespace SparcISA #endif } + void copyRegs(ThreadContext *src, ThreadContext *dest); + + void copyMiscRegs(ThreadContext *src, ThreadContext *dest); + } // namespace SparcISA #endif diff --git a/src/arch/x86/SConscript b/src/arch/x86/SConscript index f500089f3..1cb0edaf2 100644 --- a/src/arch/x86/SConscript +++ b/src/arch/x86/SConscript @@ -99,7 +99,6 @@ if env['TARGET_ISA'] == 'x86': Source('pagetable.cc') Source('predecoder.cc') Source('predecoder_tables.cc') - Source('regfile.cc') Source('remote_gdb.cc') Source('tlb.cc') Source('utility.cc') diff --git a/src/arch/x86/emulenv.hh b/src/arch/x86/emulenv.hh index cdb1bf863..bcefd4456 100644 --- a/src/arch/x86/emulenv.hh +++ b/src/arch/x86/emulenv.hh @@ -60,6 +60,7 @@ #include "arch/x86/intregs.hh" #include "arch/x86/segmentregs.hh" +#include "arch/x86/registers.hh" #include "arch/x86/types.hh" namespace X86ISA diff --git a/src/arch/x86/isa/includes.isa b/src/arch/x86/isa/includes.isa index 8626f117a..93685cd9f 100644 --- a/src/arch/x86/isa/includes.isa +++ b/src/arch/x86/isa/includes.isa @@ -103,7 +103,7 @@ output header {{ #include "arch/x86/insts/microregop.hh" #include "arch/x86/insts/static_inst.hh" #include "arch/x86/isa_traits.hh" -#include "arch/x86/regfile.hh" +#include "arch/x86/registers.hh" #include "arch/x86/types.hh" #include "base/misc.hh" #include "cpu/static_inst.hh" diff --git a/src/arch/x86/isa_traits.hh b/src/arch/x86/isa_traits.hh index 2b549bb4a..9f1b7b7c4 100644 --- a/src/arch/x86/isa_traits.hh +++ b/src/arch/x86/isa_traits.hh @@ -58,8 +58,6 @@ #ifndef __ARCH_X86_ISATRAITS_HH__ #define __ARCH_X86_ISATRAITS_HH__ -#include "arch/x86/intregs.hh" -#include "arch/x86/max_inst_regs.hh" #include "arch/x86/types.hh" #include "arch/x86/x86_traits.hh" #include "base/types.hh" @@ -73,8 +71,6 @@ namespace X86ISA //This makes sure the little endian version of certain functions //are used. using namespace LittleEndianGuest; - using X86ISAInst::MaxInstSrcRegs; - using X86ISAInst::MaxInstDestRegs; // X86 does not have a delay slot #define ISA_HAS_DELAY_SLOT 0 @@ -83,36 +79,6 @@ namespace X86ISA //XXX This needs to be set to an intermediate instruction struct //which encodes this instruction - // These enumerate all the registers for dependence tracking. - enum DependenceTags { - //There are 16 microcode registers at the moment. This is an - //unusually large constant to make sure there isn't overflow. - FP_Base_DepTag = 128, - Ctrl_Base_DepTag = - FP_Base_DepTag + - //mmx/x87 registers - 8 + - //xmm registers - 16 * 2 + - //The microcode fp registers - 8 + - //The indices that are mapped over the fp stack - 8 - }; - - // semantically meaningful register indices - //There is no such register in X86 - const int ZeroReg = NUM_INTREGS; - const int StackPointerReg = INTREG_RSP; - //X86 doesn't seem to have a link register - const int ReturnAddressReg = 0; - const int ReturnValueReg = INTREG_RAX; - const int FramePointerReg = INTREG_RBP; - - // Some OS syscalls use a second register (rdx) to return a second - // value - const int SyscallPseudoReturnReg = INTREG_RDX; - //4k. This value is not constant on x86. const int LogVMPageSize = 12; const int VMPageSize = (1 << LogVMPageSize); diff --git a/src/arch/x86/linux/process.cc b/src/arch/x86/linux/process.cc index 1d109ae27..b7d72d594 100644 --- a/src/arch/x86/linux/process.cc +++ b/src/arch/x86/linux/process.cc @@ -57,7 +57,7 @@ #include "arch/x86/isa_traits.hh" #include "arch/x86/linux/process.hh" -#include "arch/x86/regfile.hh" +#include "arch/x86/registers.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" diff --git a/src/arch/x86/miscregfile.hh b/src/arch/x86/miscregfile.hh index f2329b7b4..8e8adc63b 100644 --- a/src/arch/x86/miscregfile.hh +++ b/src/arch/x86/miscregfile.hh @@ -92,7 +92,7 @@ #include "arch/x86/faults.hh" #include "arch/x86/miscregs.hh" -#include "arch/x86/types.hh" +#include "arch/x86/registers.hh" #include "base/types.hh" class Checkpoint; diff --git a/src/arch/x86/regfile.cc b/src/arch/x86/regfile.cc deleted file mode 100644 index 67ef0b128..000000000 --- a/src/arch/x86/regfile.cc +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright (c) 2003-2006 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/miscregs.hh" -#include "arch/x86/regfile.hh" -#include "base/trace.hh" -#include "cpu/thread_context.hh" - -void -X86ISA::copyMiscRegs(ThreadContext *src, ThreadContext *dest) -{ - warn("copyMiscRegs is naively implemented for x86\n"); - for (int i = 0; i < NUM_MISCREGS; ++i) { - if ( ( i != MISCREG_CR1 && - !(i > MISCREG_CR4 && i < MISCREG_CR8) && - !(i > MISCREG_CR8 && i <= MISCREG_CR15) ) == false) { - continue; - } - dest->setMiscRegNoEffect(i, src->readMiscRegNoEffect(i)); - } -} - -void -X86ISA::copyRegs(ThreadContext *src, ThreadContext *dest) -{ - panic("copyRegs not implemented for x86!\n"); - //copy int regs - //copy float regs - copyMiscRegs(src, dest); - - dest->setPC(src->readPC()); - dest->setNextPC(src->readNextPC()); -} diff --git a/src/arch/x86/regfile.hh b/src/arch/x86/regfile.hh deleted file mode 100644 index fd9d6d546..000000000 --- a/src/arch/x86/regfile.hh +++ /dev/null @@ -1,95 +0,0 @@ -/* - * 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 - */ - -#ifndef __ARCH_X86_REGFILE_HH__ -#define __ARCH_X86_REGFILE_HH__ - -#include -#include - -#include "arch/x86/intregs.hh" -#include "arch/x86/miscregs.hh" -#include "arch/x86/x86_traits.hh" - -class Checkpoint; -class EventManager; -class ThreadContext; - -namespace X86ISA -{ - const int NumMiscArchRegs = NUM_MISCREGS; - const int NumMiscRegs = NUM_MISCREGS; - - const int NumIntArchRegs = NUM_INTREGS; - const int NumIntRegs = - NumIntArchRegs + NumMicroIntRegs + - NumPseudoIntRegs + NumImplicitIntRegs; - - //Each 128 bit xmm register is broken into two effective 64 bit registers. - const int NumFloatRegs = - NumMMXRegs + 2 * NumXMMRegs + NumMicroFpRegs; - const int NumFloatArchRegs = NumFloatRegs + 8; - - void copyRegs(ThreadContext *src, ThreadContext *dest); - - void copyMiscRegs(ThreadContext *src, ThreadContext *dest); - - int InterruptLevel(uint64_t softint); - -}; // namespace X86ISA - -#endif // __ARCH_X86_REGFILE_HH__ diff --git a/src/arch/x86/registers.hh b/src/arch/x86/registers.hh new file mode 100644 index 000000000..e221c4a81 --- /dev/null +++ b/src/arch/x86/registers.hh @@ -0,0 +1,133 @@ +/* + * 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 + */ + +#ifndef __ARCH_X86_REGISTERS_HH__ +#define __ARCH_X86_REGISTERS_HH__ + +#include "arch/x86/intregs.hh" +#include "arch/x86/max_inst_regs.hh" +#include "arch/x86/miscregs.hh" +#include "arch/x86/x86_traits.hh" + +namespace X86ISA +{ +using X86ISAInst::MaxInstSrcRegs; +using X86ISAInst::MaxInstDestRegs; +const int NumMiscArchRegs = NUM_MISCREGS; +const int NumMiscRegs = NUM_MISCREGS; + +const int NumIntArchRegs = NUM_INTREGS; +const int NumIntRegs = + NumIntArchRegs + NumMicroIntRegs + + NumPseudoIntRegs + NumImplicitIntRegs; + +//Each 128 bit xmm register is broken into two effective 64 bit registers. +const int NumFloatRegs = + NumMMXRegs + 2 * NumXMMRegs + NumMicroFpRegs; +const int NumFloatArchRegs = NumFloatRegs + 8; + +// These enumerate all the registers for dependence tracking. +enum DependenceTags { + //There are 16 microcode registers at the moment. This is an + //unusually large constant to make sure there isn't overflow. + FP_Base_DepTag = 128, + Ctrl_Base_DepTag = + FP_Base_DepTag + + //mmx/x87 registers + 8 + + //xmm registers + 16 * 2 + + //The microcode fp registers + 8 + + //The indices that are mapped over the fp stack + 8 +}; + +// semantically meaningful register indices +//There is no such register in X86 +const int ZeroReg = NUM_INTREGS; +const int StackPointerReg = INTREG_RSP; +//X86 doesn't seem to have a link register +const int ReturnAddressReg = 0; +const int ReturnValueReg = INTREG_RAX; +const int FramePointerReg = INTREG_RBP; + +// Some OS syscalls use a second register (rdx) to return a second +// value +const int SyscallPseudoReturnReg = INTREG_RDX; + +typedef uint64_t IntReg; +//XXX Should this be a 128 bit structure for XMM memory ops? +typedef uint64_t LargestRead; +typedef uint64_t MiscReg; + +//These floating point types are correct for mmx, but not +//technically for x87 (80 bits) or at all for xmm (128 bits) +typedef double FloatReg; +typedef uint64_t FloatRegBits; +typedef union +{ + IntReg intReg; + FloatReg fpReg; + MiscReg ctrlReg; +} AnyReg; + +typedef uint16_t RegIndex; + +}; // namespace X86ISA + +#endif // __ARCH_X86_REGFILE_HH__ diff --git a/src/arch/x86/types.hh b/src/arch/x86/types.hh index c06d664eb..bdf3a814e 100644 --- a/src/arch/x86/types.hh +++ b/src/arch/x86/types.hh @@ -230,24 +230,6 @@ namespace X86ISA return true; } - typedef uint64_t IntReg; - //XXX Should this be a 128 bit structure for XMM memory ops? - typedef uint64_t LargestRead; - typedef uint64_t MiscReg; - - //These floating point types are correct for mmx, but not - //technically for x87 (80 bits) or at all for xmm (128 bits) - typedef double FloatReg; - typedef uint64_t FloatRegBits; - typedef union - { - IntReg intReg; - FloatReg fpReg; - MiscReg ctrlReg; - } AnyReg; - - typedef uint16_t RegIndex; - struct CoreSpecific { int core_type; }; diff --git a/src/arch/x86/utility.cc b/src/arch/x86/utility.cc index 9e96b654d..802328db1 100644 --- a/src/arch/x86/utility.cc +++ b/src/arch/x86/utility.cc @@ -225,4 +225,30 @@ void startupCPU(ThreadContext *tc, int cpuId) #endif } +void +copyMiscRegs(ThreadContext *src, ThreadContext *dest) +{ + warn("copyMiscRegs is naively implemented for x86\n"); + for (int i = 0; i < NUM_MISCREGS; ++i) { + if ( ( i != MISCREG_CR1 && + !(i > MISCREG_CR4 && i < MISCREG_CR8) && + !(i > MISCREG_CR8 && i <= MISCREG_CR15) ) == false) { + continue; + } + dest->setMiscRegNoEffect(i, src->readMiscRegNoEffect(i)); + } +} + +void +copyRegs(ThreadContext *src, ThreadContext *dest) +{ + panic("copyRegs not implemented for x86!\n"); + //copy int regs + //copy float regs + copyMiscRegs(src, dest); + + dest->setPC(src->readPC()); + dest->setNextPC(src->readNextPC()); +} + } //namespace X86_ISA diff --git a/src/arch/x86/utility.hh b/src/arch/x86/utility.hh index dbb2bc361..d305e2599 100644 --- a/src/arch/x86/utility.hh +++ b/src/arch/x86/utility.hh @@ -154,6 +154,10 @@ namespace X86ISA #endif void startupCPU(ThreadContext *tc, int cpuId); + + void copyRegs(ThreadContext *src, ThreadContext *dest); + + void copyMiscRegs(ThreadContext *src, ThreadContext *dest); }; #endif // __ARCH_X86_UTILITY_HH__ diff --git a/src/cpu/legiontrace.cc b/src/cpu/legiontrace.cc index f40e776d2..5face4391 100644 --- a/src/cpu/legiontrace.cc +++ b/src/cpu/legiontrace.cc @@ -46,7 +46,7 @@ #include #include "arch/sparc/predecoder.hh" -#include "arch/sparc/regfile.hh" +#include "arch/sparc/registers.hh" #include "arch/sparc/utility.hh" #include "base/socket.hh" #include "cpu/base.hh" diff --git a/src/cpu/nativetrace.cc b/src/cpu/nativetrace.cc index c23a9e4ad..fca8674f9 100644 --- a/src/cpu/nativetrace.cc +++ b/src/cpu/nativetrace.cc @@ -33,7 +33,7 @@ #include -#include "arch/regfile.hh" +#include "arch/registers.hh" #include "arch/utility.hh" #include "base/loader/symtab.hh" #include "base/socket.hh" diff --git a/src/cpu/o3/free_list.hh b/src/cpu/o3/free_list.hh index 79e10524b..e28c4910e 100644 --- a/src/cpu/o3/free_list.hh +++ b/src/cpu/o3/free_list.hh @@ -34,7 +34,7 @@ #include #include -#include "arch/isa_traits.hh" +#include "arch/registers.hh" #include "base/misc.hh" #include "base/trace.hh" #include "base/traceflags.hh" diff --git a/src/cpu/o3/regfile.hh b/src/cpu/o3/regfile.hh index 44c349ef4..d6beecdc5 100644 --- a/src/cpu/o3/regfile.hh +++ b/src/cpu/o3/regfile.hh @@ -33,7 +33,6 @@ #define __CPU_O3_REGFILE_HH__ #include "arch/isa_traits.hh" -#include "arch/regfile.hh" #include "arch/types.hh" #include "base/trace.hh" #include "config/full_system.hh" diff --git a/src/cpu/o3/rename_impl.hh b/src/cpu/o3/rename_impl.hh index dd480f81c..e4cc2674b 100644 --- a/src/cpu/o3/rename_impl.hh +++ b/src/cpu/o3/rename_impl.hh @@ -32,7 +32,7 @@ #include #include "arch/isa_traits.hh" -#include "arch/regfile.hh" +#include "arch/registers.hh" #include "config/full_system.hh" #include "cpu/o3/rename.hh" #include "params/DerivO3CPU.hh" diff --git a/src/cpu/o3/thread_context_impl.hh b/src/cpu/o3/thread_context_impl.hh index 0b5eddc73..e631c9244 100755 --- a/src/cpu/o3/thread_context_impl.hh +++ b/src/cpu/o3/thread_context_impl.hh @@ -29,7 +29,7 @@ * Korey Sewell */ -#include "arch/regfile.hh" +#include "arch/registers.hh" #include "cpu/o3/thread_context.hh" #include "cpu/quiesce_event.hh" diff --git a/src/cpu/ozone/cpu.hh b/src/cpu/ozone/cpu.hh index 62e6f6e5a..5e36332af 100644 --- a/src/cpu/ozone/cpu.hh +++ b/src/cpu/ozone/cpu.hh @@ -33,7 +33,6 @@ #include -#include "arch/regfile.hh" #include "base/statistics.hh" #include "base/timebuf.hh" #include "config/full_system.hh" diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh index 90502fe9f..00263d455 100644 --- a/src/cpu/simple_thread.hh +++ b/src/cpu/simple_thread.hh @@ -34,7 +34,7 @@ #include "arch/isa.hh" #include "arch/isa_traits.hh" -#include "arch/regfile.hh" +#include "arch/registers.hh" #include "arch/tlb.hh" #include "arch/types.hh" #include "base/types.hh" diff --git a/src/cpu/thread_context.hh b/src/cpu/thread_context.hh index 98d244994..9e34204ef 100644 --- a/src/cpu/thread_context.hh +++ b/src/cpu/thread_context.hh @@ -31,7 +31,7 @@ #ifndef __CPU_THREAD_CONTEXT_HH__ #define __CPU_THREAD_CONTEXT_HH__ -#include "arch/regfile.hh" +#include "arch/registers.hh" #include "arch/types.hh" #include "base/types.hh" #include "config/full_system.hh" diff --git a/src/mem/physical.cc b/src/mem/physical.cc index e6150c548..5680fd970 100644 --- a/src/mem/physical.cc +++ b/src/mem/physical.cc @@ -39,7 +39,7 @@ #include #include -#include "arch/isa_traits.hh" +#include "arch/registers.hh" #include "base/misc.hh" #include "base/random.hh" #include "base/types.hh" diff --git a/src/sim/process.hh b/src/sim/process.hh index db52e1697..0d5421dcd 100644 --- a/src/sim/process.hh +++ b/src/sim/process.hh @@ -44,7 +44,7 @@ #include #include -#include "arch/types.hh" +#include "arch/registers.hh" #include "base/statistics.hh" #include "base/types.hh" #include "sim/sim_object.hh"