exec_context.hh revision 12109
12735Sktlim@umich.edu/* 212109SRekai.GonzalezAlberquilla@arm.com * Copyright (c) 2014, 2016 ARM Limited 310319SAndreas.Sandberg@ARM.com * All rights reserved 410319SAndreas.Sandberg@ARM.com * 510319SAndreas.Sandberg@ARM.com * The license below extends only to copyright in the software and shall 610319SAndreas.Sandberg@ARM.com * not be construed as granting a license to any other intellectual 710319SAndreas.Sandberg@ARM.com * property including but not limited to intellectual property relating 810319SAndreas.Sandberg@ARM.com * to a hardware implementation of the functionality of the software 910319SAndreas.Sandberg@ARM.com * licensed hereunder. You may use the software subject to the license 1010319SAndreas.Sandberg@ARM.com * terms below provided that you ensure that this notice is replicated 1110319SAndreas.Sandberg@ARM.com * unmodified and in its entirety in all distributions of the software, 1210319SAndreas.Sandberg@ARM.com * modified or unmodified, in source code or in binary form. 1310319SAndreas.Sandberg@ARM.com * 142735Sktlim@umich.edu * Copyright (c) 2002-2005 The Regents of The University of Michigan 1511303Ssteve.reinhardt@amd.com * Copyright (c) 2015 Advanced Micro Devices, Inc. 162735Sktlim@umich.edu * All rights reserved. 172735Sktlim@umich.edu * 182735Sktlim@umich.edu * Redistribution and use in source and binary forms, with or without 192735Sktlim@umich.edu * modification, are permitted provided that the following conditions are 202735Sktlim@umich.edu * met: redistributions of source code must retain the above copyright 212735Sktlim@umich.edu * notice, this list of conditions and the following disclaimer; 222735Sktlim@umich.edu * redistributions in binary form must reproduce the above copyright 232735Sktlim@umich.edu * notice, this list of conditions and the following disclaimer in the 242735Sktlim@umich.edu * documentation and/or other materials provided with the distribution; 252735Sktlim@umich.edu * neither the name of the copyright holders nor the names of its 262735Sktlim@umich.edu * contributors may be used to endorse or promote products derived from 272735Sktlim@umich.edu * this software without specific prior written permission. 282735Sktlim@umich.edu * 292735Sktlim@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 302735Sktlim@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 312735Sktlim@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 322735Sktlim@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 332735Sktlim@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 342735Sktlim@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 352735Sktlim@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 362735Sktlim@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 372735Sktlim@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 382735Sktlim@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 392735Sktlim@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 402735Sktlim@umich.edu * 412735Sktlim@umich.edu * Authors: Kevin Lim 4210319SAndreas.Sandberg@ARM.com * Andreas Sandberg 432735Sktlim@umich.edu */ 442735Sktlim@umich.edu 4510319SAndreas.Sandberg@ARM.com#ifndef __CPU_EXEC_CONTEXT_HH__ 4610319SAndreas.Sandberg@ARM.com#define __CPU_EXEC_CONTEXT_HH__ 4710319SAndreas.Sandberg@ARM.com 4810319SAndreas.Sandberg@ARM.com#include "arch/registers.hh" 4910319SAndreas.Sandberg@ARM.com#include "base/types.hh" 5010319SAndreas.Sandberg@ARM.com#include "config/the_isa.hh" 5110529Smorr@cs.wisc.edu#include "cpu/base.hh" 5212104Snathanael.premillieu@arm.com#include "cpu/reg_class.hh" 5310319SAndreas.Sandberg@ARM.com#include "cpu/static_inst_fwd.hh" 5410319SAndreas.Sandberg@ARM.com#include "cpu/translation.hh" 5511608Snikos.nikoleris@arm.com#include "mem/request.hh" 562735Sktlim@umich.edu 572735Sktlim@umich.edu/** 5810319SAndreas.Sandberg@ARM.com * The ExecContext is an abstract base class the provides the 5910319SAndreas.Sandberg@ARM.com * interface used by the ISA to manipulate the state of the CPU model. 6010319SAndreas.Sandberg@ARM.com * 6110319SAndreas.Sandberg@ARM.com * Register accessor methods in this class typically provide the index 6210319SAndreas.Sandberg@ARM.com * of the instruction's operand (e.g., 0 or 1), not the architectural 6310319SAndreas.Sandberg@ARM.com * register index, to simplify the implementation of register 6410319SAndreas.Sandberg@ARM.com * renaming. The architectural register index can be found by 6510319SAndreas.Sandberg@ARM.com * indexing into the instruction's own operand index table. 6610319SAndreas.Sandberg@ARM.com * 6710319SAndreas.Sandberg@ARM.com * @note The methods in this class typically take a raw pointer to the 6810319SAndreas.Sandberg@ARM.com * StaticInst is provided instead of a ref-counted StaticInstPtr to 6910319SAndreas.Sandberg@ARM.com * reduce overhead as an argument. This is fine as long as the 7010319SAndreas.Sandberg@ARM.com * implementation doesn't copy the pointer into any long-term storage 7110319SAndreas.Sandberg@ARM.com * (which is pretty hard to imagine they would have reason to do). 722735Sktlim@umich.edu */ 732735Sktlim@umich.educlass ExecContext { 7410319SAndreas.Sandberg@ARM.com public: 7510319SAndreas.Sandberg@ARM.com typedef TheISA::IntReg IntReg; 7610319SAndreas.Sandberg@ARM.com typedef TheISA::PCState PCState; 7710319SAndreas.Sandberg@ARM.com typedef TheISA::FloatReg FloatReg; 7810319SAndreas.Sandberg@ARM.com typedef TheISA::FloatRegBits FloatRegBits; 7910319SAndreas.Sandberg@ARM.com typedef TheISA::MiscReg MiscReg; 8010319SAndreas.Sandberg@ARM.com 8110319SAndreas.Sandberg@ARM.com typedef TheISA::CCReg CCReg; 8212109SRekai.GonzalezAlberquilla@arm.com using VecRegContainer = TheISA::VecRegContainer; 8312109SRekai.GonzalezAlberquilla@arm.com using VecElem = TheISA::VecElem; 8410319SAndreas.Sandberg@ARM.com 8510319SAndreas.Sandberg@ARM.com public: 8610319SAndreas.Sandberg@ARM.com /** 8710319SAndreas.Sandberg@ARM.com * @{ 8810319SAndreas.Sandberg@ARM.com * @name Integer Register Interfaces 8910319SAndreas.Sandberg@ARM.com * 9010319SAndreas.Sandberg@ARM.com */ 912735Sktlim@umich.edu 922735Sktlim@umich.edu /** Reads an integer register. */ 9310319SAndreas.Sandberg@ARM.com virtual IntReg readIntRegOperand(const StaticInst *si, int idx) = 0; 9410319SAndreas.Sandberg@ARM.com 9510319SAndreas.Sandberg@ARM.com /** Sets an integer register to a value. */ 9610319SAndreas.Sandberg@ARM.com virtual void setIntRegOperand(const StaticInst *si, 9710319SAndreas.Sandberg@ARM.com int idx, IntReg val) = 0; 9810319SAndreas.Sandberg@ARM.com 9910319SAndreas.Sandberg@ARM.com /** @} */ 10010319SAndreas.Sandberg@ARM.com 10110319SAndreas.Sandberg@ARM.com 10210319SAndreas.Sandberg@ARM.com /** 10310319SAndreas.Sandberg@ARM.com * @{ 10410319SAndreas.Sandberg@ARM.com * @name Floating Point Register Interfaces 10510319SAndreas.Sandberg@ARM.com */ 1062735Sktlim@umich.edu 1072735Sktlim@umich.edu /** Reads a floating point register of single register width. */ 10810319SAndreas.Sandberg@ARM.com virtual FloatReg readFloatRegOperand(const StaticInst *si, int idx) = 0; 1092735Sktlim@umich.edu 1102735Sktlim@umich.edu /** Reads a floating point register in its binary format, instead 1112735Sktlim@umich.edu * of by value. */ 11210319SAndreas.Sandberg@ARM.com virtual FloatRegBits readFloatRegOperandBits(const StaticInst *si, 11310319SAndreas.Sandberg@ARM.com int idx) = 0; 1142735Sktlim@umich.edu 1152735Sktlim@umich.edu /** Sets a floating point register of single width to a value. */ 11610319SAndreas.Sandberg@ARM.com virtual void setFloatRegOperand(const StaticInst *si, 11710319SAndreas.Sandberg@ARM.com int idx, FloatReg val) = 0; 1182735Sktlim@umich.edu 1192735Sktlim@umich.edu /** Sets the bits of a floating point register of single width 1202735Sktlim@umich.edu * to a binary value. */ 12110319SAndreas.Sandberg@ARM.com virtual void setFloatRegOperandBits(const StaticInst *si, 12210319SAndreas.Sandberg@ARM.com int idx, FloatRegBits val) = 0; 1232735Sktlim@umich.edu 12410319SAndreas.Sandberg@ARM.com /** @} */ 1252735Sktlim@umich.edu 12612109SRekai.GonzalezAlberquilla@arm.com /** Vector Register Interfaces. */ 12712109SRekai.GonzalezAlberquilla@arm.com /** @{ */ 12812109SRekai.GonzalezAlberquilla@arm.com /** Reads source vector register operand. */ 12912109SRekai.GonzalezAlberquilla@arm.com virtual const VecRegContainer& 13012109SRekai.GonzalezAlberquilla@arm.com readVecRegOperand(const StaticInst *si, int idx) const = 0; 13112109SRekai.GonzalezAlberquilla@arm.com 13212109SRekai.GonzalezAlberquilla@arm.com /** Gets destination vector register operand for modification. */ 13312109SRekai.GonzalezAlberquilla@arm.com virtual VecRegContainer& 13412109SRekai.GonzalezAlberquilla@arm.com getWritableVecRegOperand(const StaticInst *si, int idx) = 0; 13512109SRekai.GonzalezAlberquilla@arm.com 13612109SRekai.GonzalezAlberquilla@arm.com /** Sets a destination vector register operand to a value. */ 13712109SRekai.GonzalezAlberquilla@arm.com virtual void 13812109SRekai.GonzalezAlberquilla@arm.com setVecRegOperand(const StaticInst *si, int idx, 13912109SRekai.GonzalezAlberquilla@arm.com const VecRegContainer& val) = 0; 14012109SRekai.GonzalezAlberquilla@arm.com /** @} */ 14112109SRekai.GonzalezAlberquilla@arm.com 14212109SRekai.GonzalezAlberquilla@arm.com /** Vector Register Lane Interfaces. */ 14312109SRekai.GonzalezAlberquilla@arm.com /** @{ */ 14412109SRekai.GonzalezAlberquilla@arm.com /** Reads source vector 8bit operand. */ 14512109SRekai.GonzalezAlberquilla@arm.com virtual ConstVecLane8 14612109SRekai.GonzalezAlberquilla@arm.com readVec8BitLaneOperand(const StaticInst *si, int idx) const = 0; 14712109SRekai.GonzalezAlberquilla@arm.com 14812109SRekai.GonzalezAlberquilla@arm.com /** Reads source vector 16bit operand. */ 14912109SRekai.GonzalezAlberquilla@arm.com virtual ConstVecLane16 15012109SRekai.GonzalezAlberquilla@arm.com readVec16BitLaneOperand(const StaticInst *si, int idx) const = 0; 15112109SRekai.GonzalezAlberquilla@arm.com 15212109SRekai.GonzalezAlberquilla@arm.com /** Reads source vector 32bit operand. */ 15312109SRekai.GonzalezAlberquilla@arm.com virtual ConstVecLane32 15412109SRekai.GonzalezAlberquilla@arm.com readVec32BitLaneOperand(const StaticInst *si, int idx) const = 0; 15512109SRekai.GonzalezAlberquilla@arm.com 15612109SRekai.GonzalezAlberquilla@arm.com /** Reads source vector 64bit operand. */ 15712109SRekai.GonzalezAlberquilla@arm.com virtual ConstVecLane64 15812109SRekai.GonzalezAlberquilla@arm.com readVec64BitLaneOperand(const StaticInst *si, int idx) const = 0; 15912109SRekai.GonzalezAlberquilla@arm.com 16012109SRekai.GonzalezAlberquilla@arm.com /** Write a lane of the destination vector operand. */ 16112109SRekai.GonzalezAlberquilla@arm.com /** @{ */ 16212109SRekai.GonzalezAlberquilla@arm.com virtual void setVecLaneOperand(const StaticInst *si, int idx, 16312109SRekai.GonzalezAlberquilla@arm.com const LaneData<LaneSize::Byte>& val) = 0; 16412109SRekai.GonzalezAlberquilla@arm.com virtual void setVecLaneOperand(const StaticInst *si, int idx, 16512109SRekai.GonzalezAlberquilla@arm.com const LaneData<LaneSize::TwoByte>& val) = 0; 16612109SRekai.GonzalezAlberquilla@arm.com virtual void setVecLaneOperand(const StaticInst *si, int idx, 16712109SRekai.GonzalezAlberquilla@arm.com const LaneData<LaneSize::FourByte>& val) = 0; 16812109SRekai.GonzalezAlberquilla@arm.com virtual void setVecLaneOperand(const StaticInst *si, int idx, 16912109SRekai.GonzalezAlberquilla@arm.com const LaneData<LaneSize::EightByte>& val) = 0; 17012109SRekai.GonzalezAlberquilla@arm.com /** @} */ 17112109SRekai.GonzalezAlberquilla@arm.com 17212109SRekai.GonzalezAlberquilla@arm.com /** Vector Elem Interfaces. */ 17312109SRekai.GonzalezAlberquilla@arm.com /** @{ */ 17412109SRekai.GonzalezAlberquilla@arm.com /** Reads an element of a vector register. */ 17512109SRekai.GonzalezAlberquilla@arm.com virtual VecElem readVecElemOperand(const StaticInst *si, 17612109SRekai.GonzalezAlberquilla@arm.com int idx) const = 0; 17712109SRekai.GonzalezAlberquilla@arm.com 17812109SRekai.GonzalezAlberquilla@arm.com /** Sets a vector register to a value. */ 17912109SRekai.GonzalezAlberquilla@arm.com virtual void setVecElemOperand(const StaticInst *si, int idx, 18012109SRekai.GonzalezAlberquilla@arm.com const VecElem val) = 0; 18112109SRekai.GonzalezAlberquilla@arm.com /** @} */ 18212109SRekai.GonzalezAlberquilla@arm.com 18310319SAndreas.Sandberg@ARM.com /** 18410319SAndreas.Sandberg@ARM.com * @{ 18510319SAndreas.Sandberg@ARM.com * @name Condition Code Registers 18610319SAndreas.Sandberg@ARM.com */ 18710319SAndreas.Sandberg@ARM.com virtual CCReg readCCRegOperand(const StaticInst *si, int idx) = 0; 18810319SAndreas.Sandberg@ARM.com virtual void setCCRegOperand(const StaticInst *si, int idx, CCReg val) = 0; 18910319SAndreas.Sandberg@ARM.com /** @} */ 1902735Sktlim@umich.edu 19110319SAndreas.Sandberg@ARM.com /** 19210319SAndreas.Sandberg@ARM.com * @{ 19310319SAndreas.Sandberg@ARM.com * @name Misc Register Interfaces 19410319SAndreas.Sandberg@ARM.com */ 19510319SAndreas.Sandberg@ARM.com virtual MiscReg readMiscRegOperand(const StaticInst *si, int idx) = 0; 19610319SAndreas.Sandberg@ARM.com virtual void setMiscRegOperand(const StaticInst *si, 19710319SAndreas.Sandberg@ARM.com int idx, const MiscReg &val) = 0; 1982735Sktlim@umich.edu 19910319SAndreas.Sandberg@ARM.com /** 20010319SAndreas.Sandberg@ARM.com * Reads a miscellaneous register, handling any architectural 20110319SAndreas.Sandberg@ARM.com * side effects due to reading that register. 20210319SAndreas.Sandberg@ARM.com */ 20310319SAndreas.Sandberg@ARM.com virtual MiscReg readMiscReg(int misc_reg) = 0; 2042735Sktlim@umich.edu 20510319SAndreas.Sandberg@ARM.com /** 20610319SAndreas.Sandberg@ARM.com * Sets a miscellaneous register, handling any architectural 20710319SAndreas.Sandberg@ARM.com * side effects due to writing that register. 20810319SAndreas.Sandberg@ARM.com */ 20910319SAndreas.Sandberg@ARM.com virtual void setMiscReg(int misc_reg, const MiscReg &val) = 0; 2102735Sktlim@umich.edu 21110319SAndreas.Sandberg@ARM.com /** @} */ 2122735Sktlim@umich.edu 21310319SAndreas.Sandberg@ARM.com /** 21410319SAndreas.Sandberg@ARM.com * @{ 21510319SAndreas.Sandberg@ARM.com * @name PC Control 21610319SAndreas.Sandberg@ARM.com */ 21710319SAndreas.Sandberg@ARM.com virtual PCState pcState() const = 0; 21810319SAndreas.Sandberg@ARM.com virtual void pcState(const PCState &val) = 0; 21910319SAndreas.Sandberg@ARM.com /** @} */ 22010319SAndreas.Sandberg@ARM.com 22110319SAndreas.Sandberg@ARM.com /** 22210319SAndreas.Sandberg@ARM.com * @{ 22310319SAndreas.Sandberg@ARM.com * @name Memory Interface 22410319SAndreas.Sandberg@ARM.com */ 22510319SAndreas.Sandberg@ARM.com /** 22610319SAndreas.Sandberg@ARM.com * Record the effective address of the instruction. 22710319SAndreas.Sandberg@ARM.com * 22810319SAndreas.Sandberg@ARM.com * @note Only valid for memory ops. 22910319SAndreas.Sandberg@ARM.com */ 23010319SAndreas.Sandberg@ARM.com virtual void setEA(Addr EA) = 0; 23110319SAndreas.Sandberg@ARM.com /** 23210319SAndreas.Sandberg@ARM.com * Get the effective address of the instruction. 23310319SAndreas.Sandberg@ARM.com * 23410319SAndreas.Sandberg@ARM.com * @note Only valid for memory ops. 23510319SAndreas.Sandberg@ARM.com */ 23610319SAndreas.Sandberg@ARM.com virtual Addr getEA() const = 0; 23710319SAndreas.Sandberg@ARM.com 23811303Ssteve.reinhardt@amd.com /** 23911303Ssteve.reinhardt@amd.com * Perform an atomic memory read operation. Must be overridden 24011303Ssteve.reinhardt@amd.com * for exec contexts that support atomic memory mode. Not pure 24111303Ssteve.reinhardt@amd.com * virtual since exec contexts that only support timing memory 24211303Ssteve.reinhardt@amd.com * mode need not override (though in that case this function 24311303Ssteve.reinhardt@amd.com * should never be called). 24411303Ssteve.reinhardt@amd.com */ 24510319SAndreas.Sandberg@ARM.com virtual Fault readMem(Addr addr, uint8_t *data, unsigned int size, 24611608Snikos.nikoleris@arm.com Request::Flags flags) 24711303Ssteve.reinhardt@amd.com { 24811303Ssteve.reinhardt@amd.com panic("ExecContext::readMem() should be overridden\n"); 24911303Ssteve.reinhardt@amd.com } 25010319SAndreas.Sandberg@ARM.com 25111303Ssteve.reinhardt@amd.com /** 25211303Ssteve.reinhardt@amd.com * Initiate a timing memory read operation. Must be overridden 25311303Ssteve.reinhardt@amd.com * for exec contexts that support timing memory mode. Not pure 25411303Ssteve.reinhardt@amd.com * virtual since exec contexts that only support atomic memory 25511303Ssteve.reinhardt@amd.com * mode need not override (though in that case this function 25611303Ssteve.reinhardt@amd.com * should never be called). 25711303Ssteve.reinhardt@amd.com */ 25811303Ssteve.reinhardt@amd.com virtual Fault initiateMemRead(Addr addr, unsigned int size, 25911608Snikos.nikoleris@arm.com Request::Flags flags) 26011303Ssteve.reinhardt@amd.com { 26111303Ssteve.reinhardt@amd.com panic("ExecContext::initiateMemRead() should be overridden\n"); 26211303Ssteve.reinhardt@amd.com } 26311303Ssteve.reinhardt@amd.com 26411303Ssteve.reinhardt@amd.com /** 26511303Ssteve.reinhardt@amd.com * For atomic-mode contexts, perform an atomic memory write operation. 26611303Ssteve.reinhardt@amd.com * For timing-mode contexts, initiate a timing memory write operation. 26711303Ssteve.reinhardt@amd.com */ 26810319SAndreas.Sandberg@ARM.com virtual Fault writeMem(uint8_t *data, unsigned int size, Addr addr, 26911608Snikos.nikoleris@arm.com Request::Flags flags, uint64_t *res) = 0; 27010319SAndreas.Sandberg@ARM.com 27110319SAndreas.Sandberg@ARM.com /** 27210319SAndreas.Sandberg@ARM.com * Sets the number of consecutive store conditional failures. 27310319SAndreas.Sandberg@ARM.com */ 27410319SAndreas.Sandberg@ARM.com virtual void setStCondFailures(unsigned int sc_failures) = 0; 27510319SAndreas.Sandberg@ARM.com 27610319SAndreas.Sandberg@ARM.com /** 27710319SAndreas.Sandberg@ARM.com * Returns the number of consecutive store conditional failures. 27810319SAndreas.Sandberg@ARM.com */ 27910319SAndreas.Sandberg@ARM.com virtual unsigned int readStCondFailures() const = 0; 28010319SAndreas.Sandberg@ARM.com 28110319SAndreas.Sandberg@ARM.com /** @} */ 28210319SAndreas.Sandberg@ARM.com 28310319SAndreas.Sandberg@ARM.com /** 28410319SAndreas.Sandberg@ARM.com * @{ 28510319SAndreas.Sandberg@ARM.com * @name SysCall Emulation Interfaces 28610319SAndreas.Sandberg@ARM.com */ 28710319SAndreas.Sandberg@ARM.com 28810319SAndreas.Sandberg@ARM.com /** 28910319SAndreas.Sandberg@ARM.com * Executes a syscall specified by the callnum. 29010319SAndreas.Sandberg@ARM.com */ 29111877Sbrandon.potter@amd.com virtual void syscall(int64_t callnum, Fault *fault) = 0; 29210319SAndreas.Sandberg@ARM.com 29310319SAndreas.Sandberg@ARM.com /** @} */ 2942735Sktlim@umich.edu 2952735Sktlim@umich.edu /** Returns a pointer to the ThreadContext. */ 29610319SAndreas.Sandberg@ARM.com virtual ThreadContext *tcBase() = 0; 2972735Sktlim@umich.edu 29810319SAndreas.Sandberg@ARM.com /** 29910319SAndreas.Sandberg@ARM.com * @{ 30010319SAndreas.Sandberg@ARM.com * @name Alpha-Specific Interfaces 30110319SAndreas.Sandberg@ARM.com */ 3027520Sgblack@eecs.umich.edu 30310319SAndreas.Sandberg@ARM.com /** 30410319SAndreas.Sandberg@ARM.com * Somewhat Alpha-specific function that handles returning from an 30510319SAndreas.Sandberg@ARM.com * error or interrupt. 30610319SAndreas.Sandberg@ARM.com */ 30710319SAndreas.Sandberg@ARM.com virtual Fault hwrei() = 0; 3085702Ssaidi@eecs.umich.edu 3095702Ssaidi@eecs.umich.edu /** 3105702Ssaidi@eecs.umich.edu * Check for special simulator handling of specific PAL calls. If 3115702Ssaidi@eecs.umich.edu * return value is false, actual PAL call will be suppressed. 3125702Ssaidi@eecs.umich.edu */ 31310319SAndreas.Sandberg@ARM.com virtual bool simPalCheck(int palFunc) = 0; 3148779Sgblack@eecs.umich.edu 31510319SAndreas.Sandberg@ARM.com /** @} */ 3166973Stjones1@inf.ed.ac.uk 31710319SAndreas.Sandberg@ARM.com /** 31810319SAndreas.Sandberg@ARM.com * @{ 31910319SAndreas.Sandberg@ARM.com * @name ARM-Specific Interfaces 32010319SAndreas.Sandberg@ARM.com */ 32110319SAndreas.Sandberg@ARM.com 32210319SAndreas.Sandberg@ARM.com virtual bool readPredicate() = 0; 32310319SAndreas.Sandberg@ARM.com virtual void setPredicate(bool val) = 0; 32410319SAndreas.Sandberg@ARM.com 32510319SAndreas.Sandberg@ARM.com /** @} */ 32610319SAndreas.Sandberg@ARM.com 32710319SAndreas.Sandberg@ARM.com /** 32810319SAndreas.Sandberg@ARM.com * @{ 32910319SAndreas.Sandberg@ARM.com * @name X86-Specific Interfaces 33010319SAndreas.Sandberg@ARM.com */ 33110319SAndreas.Sandberg@ARM.com 33210319SAndreas.Sandberg@ARM.com /** 33310319SAndreas.Sandberg@ARM.com * Invalidate a page in the DTLB <i>and</i> ITLB. 33410319SAndreas.Sandberg@ARM.com */ 33510319SAndreas.Sandberg@ARM.com virtual void demapPage(Addr vaddr, uint64_t asn) = 0; 33610529Smorr@cs.wisc.edu virtual void armMonitor(Addr address) = 0; 33710529Smorr@cs.wisc.edu virtual bool mwait(PacketPtr pkt) = 0; 33810529Smorr@cs.wisc.edu virtual void mwaitAtomic(ThreadContext *tc) = 0; 33910529Smorr@cs.wisc.edu virtual AddressMonitor *getAddrMonitor() = 0; 34010319SAndreas.Sandberg@ARM.com 34110319SAndreas.Sandberg@ARM.com /** @} */ 34210319SAndreas.Sandberg@ARM.com 34310319SAndreas.Sandberg@ARM.com /** 34410319SAndreas.Sandberg@ARM.com * @{ 34510319SAndreas.Sandberg@ARM.com * @name MIPS-Specific Interfaces 34610319SAndreas.Sandberg@ARM.com */ 34710319SAndreas.Sandberg@ARM.com 34810319SAndreas.Sandberg@ARM.com#if THE_ISA == MIPS_ISA 34912106SRekai.GonzalezAlberquilla@arm.com virtual MiscReg readRegOtherThread(const RegId& reg, 35010319SAndreas.Sandberg@ARM.com ThreadID tid = InvalidThreadID) = 0; 35112106SRekai.GonzalezAlberquilla@arm.com virtual void setRegOtherThread(const RegId& reg, MiscReg val, 35210319SAndreas.Sandberg@ARM.com ThreadID tid = InvalidThreadID) = 0; 35310319SAndreas.Sandberg@ARM.com#endif 35410319SAndreas.Sandberg@ARM.com 35510319SAndreas.Sandberg@ARM.com /** @} */ 3562735Sktlim@umich.edu}; 35710319SAndreas.Sandberg@ARM.com 35810319SAndreas.Sandberg@ARM.com#endif // __CPU_EXEC_CONTEXT_HH__ 359