ExecContext bears the exec_context interface for Minor. More...

#include <exec_context.hh>

Inheritance diagram for Minor::ExecContext:

Public Member Functions
	ExecContext (MinorCPU &cpu_, SimpleThread &thread_, Execute &execute_, MinorDynInstPtr inst_)

Fault	initiateMemRead (Addr addr, unsigned int size, Request::Flags flags) override
	Initiate a timing memory read operation. More...

Fault	writeMem (uint8_t data, unsigned int size, Addr addr, Request::Flags flags, uint64_t res) override
	For atomic-mode contexts, perform an atomic memory write operation. More...

IntReg	readIntRegOperand (const StaticInst *si, int idx) override
	Reads an integer register. More...

TheISA::FloatReg	readFloatRegOperand (const StaticInst *si, int idx) override
	Reads a floating point register of single register width. More...

TheISA::FloatRegBits	readFloatRegOperandBits (const StaticInst *si, int idx) override
	Reads a floating point register in its binary format, instead of by value. More...

void	setIntRegOperand (const StaticInst *si, int idx, IntReg val) override
	Sets an integer register to a value. More...

void	setFloatRegOperand (const StaticInst *si, int idx, TheISA::FloatReg val) override
	Sets a floating point register of single width to a value. More...

void	setFloatRegOperandBits (const StaticInst *si, int idx, TheISA::FloatRegBits val) override
	Sets the bits of a floating point register of single width to a binary value. More...

bool	readPredicate () override

void	setPredicate (bool val) override

TheISA::PCState	pcState () const override

void	pcState (const TheISA::PCState &val) override

TheISA::MiscReg	readMiscRegNoEffect (int misc_reg) const

TheISA::MiscReg	readMiscReg (int misc_reg) override
	Reads a miscellaneous register, handling any architectural side effects due to reading that register. More...

void	setMiscReg (int misc_reg, const TheISA::MiscReg &val) override
	Sets a miscellaneous register, handling any architectural side effects due to writing that register. More...

TheISA::MiscReg	readMiscRegOperand (const StaticInst *si, int idx) override

void	setMiscRegOperand (const StaticInst *si, int idx, const TheISA::MiscReg &val) override

Fault	hwrei () override
	Somewhat Alpha-specific function that handles returning from an error or interrupt. More...

bool	simPalCheck (int palFunc) override
	Check for special simulator handling of specific PAL calls. More...

void	syscall (int64_t callnum, Fault *fault) override
	Executes a syscall specified by the callnum. More...

ThreadContext *	tcBase () override
	Returns a pointer to the ThreadContext. More...

unsigned int	readStCondFailures () const override
	Returns the number of consecutive store conditional failures. More...

void	setStCondFailures (unsigned int st_cond_failures) override
	Sets the number of consecutive store conditional failures. More...

ContextID	contextId ()

void	demapPage (Addr vaddr, uint64_t asn) override
	Invalidate a page in the DTLB and ITLB. More...

TheISA::CCReg	readCCRegOperand (const StaticInst *si, int idx) override

void	setCCRegOperand (const StaticInst *si, int idx, TheISA::CCReg val) override

void	demapInstPage (Addr vaddr, uint64_t asn)

void	demapDataPage (Addr vaddr, uint64_t asn)

void	setEA (Addr ea) override
	Record the effective address of the instruction. More...

BaseCPU *	getCpuPtr ()

Addr	getEA () const override
	Get the effective address of the instruction. More...

uint64_t	readRegOtherThread (int idx, ThreadID tid=InvalidThreadID)

void	setRegOtherThread (int idx, const TheISA::MiscReg &val, ThreadID tid=InvalidThreadID)

void	armMonitor (Addr address) override

bool	mwait (PacketPtr pkt) override

void	mwaitAtomic (ThreadContext *tc) override

AddressMonitor *	getAddrMonitor () override

Public Member Functions inherited from ExecContext
virtual Fault	readMem (Addr addr, uint8_t *data, unsigned int size, Request::Flags flags)
	Perform an atomic memory read operation. More...

virtual void	setRegOtherThread (int regIdx, MiscReg val, ThreadID tid=InvalidThreadID)=0

Public Attributes
MinorCPU &	cpu

SimpleThread &	thread
	ThreadState object, provides all the architectural state. More...

Execute &	execute
	The execute stage so we can peek at its contents. More...

MinorDynInstPtr	inst
	Instruction for the benefit of memory operations and for PC. More...

Additional Inherited Members
Public Types inherited from ExecContext
typedef TheISA::IntReg	IntReg

typedef TheISA::PCState	PCState

typedef TheISA::FloatReg	FloatReg

typedef TheISA::FloatRegBits	FloatRegBits

typedef TheISA::MiscReg	MiscReg

typedef TheISA::CCReg	CCReg

Detailed Description

ExecContext bears the exec_context interface for Minor.

This nicely separates that interface from other classes such as Pipeline, MinorCPU and DynMinorInst and makes it easier to see what state is accessed by it.

Definition at line 74 of file exec_context.hh.

Constructor & Destructor Documentation

Minor::ExecContext::ExecContext	(	MinorCPU &	cpu_,
		SimpleThread &	thread_,
		Execute &	execute_,
		MinorDynInstPtr	inst_
	)

inline

Definition at line 88 of file exec_context.hh.

References DPRINTF, inst, pcState(), SimpleThread::setFloatReg(), SimpleThread::setIntReg(), setPredicate(), thread, and AlphaISA::ZeroReg.

Member Function Documentation

void Minor::ExecContext::armMonitor ( Addr address )

inlineoverridevirtual

Implements ExecContext.

Definition at line 347 of file exec_context.hh.

References getCpuPtr(), and inst.

ContextID Minor::ExecContext::contextId ( )

inline

Definition at line 258 of file exec_context.hh.

References ThreadState::contextId(), and thread.

void Minor::ExecContext::demapDataPage	(	Addr	vaddr,
		uint64_t	asn
	)

inline

Definition at line 290 of file exec_context.hh.

References SimpleThread::getDTBPtr(), and thread.

void Minor::ExecContext::demapInstPage	(	Addr	vaddr,
		uint64_t	asn
	)

inline

Definition at line 284 of file exec_context.hh.

References SimpleThread::getITBPtr(), and thread.

void Minor::ExecContext::demapPage	(	Addr	vaddr,
		uint64_t	asn
	)

inlineoverridevirtual

Invalidate a page in the DTLB and ITLB.

Implements ExecContext.

Definition at line 263 of file exec_context.hh.

References SimpleThread::getDTBPtr(), SimpleThread::getITBPtr(), and thread.

AddressMonitor* Minor::ExecContext::getAddrMonitor ( )

inlineoverridevirtual

Implements ExecContext.

Definition at line 356 of file exec_context.hh.

References getCpuPtr(), and inst.

BaseCPU* Minor::ExecContext::getCpuPtr ( )

inline

Definition at line 301 of file exec_context.hh.

References cpu.

Referenced by armMonitor(), getAddrMonitor(), mwait(), and mwaitAtomic().

Addr Minor::ExecContext::getEA ( ) const

inlineoverridevirtual

Get the effective address of the instruction.

Note: Only valid for memory ops.

Implements ExecContext.

Definition at line 304 of file exec_context.hh.

References inst.

Fault Minor::ExecContext::hwrei ( )

inlineoverridevirtual

Somewhat Alpha-specific function that handles returning from an error or interrupt.

Implements ExecContext.

Definition at line 224 of file exec_context.hh.

References SimpleThread::hwrei(), NoFault, and thread.

Fault Minor::ExecContext::initiateMemRead	(	Addr	addr,
		unsigned int	size,
		Request::Flags	flags
	)

inlineoverridevirtual

Initiate a timing memory read operation.

Must be overridden for exec contexts that support timing memory mode. Not pure virtual since exec contexts that only support atomic memory mode need not override (though in that case this function should never be called).

Reimplemented from ExecContext.

Definition at line 107 of file exec_context.hh.

References execute, Minor::Execute::getLSQ(), inst, NoFault, and Minor::LSQ::pushRequest().

bool Minor::ExecContext::mwait ( PacketPtr pkt )

inlineoverridevirtual

Implements ExecContext.

Definition at line 350 of file exec_context.hh.

References getCpuPtr(), and inst.

void Minor::ExecContext::mwaitAtomic ( ThreadContext * tc )

inlineoverridevirtual

Implements ExecContext.

Definition at line 353 of file exec_context.hh.

References SimpleThread::dtb, getCpuPtr(), inst, and thread.

TheISA::PCState Minor::ExecContext::pcState ( ) const

inlineoverridevirtual

Implements ExecContext.

Definition at line 179 of file exec_context.hh.

References SimpleThread::pcState(), and thread.

Referenced by ExecContext().

void Minor::ExecContext::pcState ( const TheISA::PCState & val )

inlineoverridevirtual

Implements ExecContext.

Definition at line 185 of file exec_context.hh.

References SimpleThread::pcState(), and thread.

TheISA::CCReg Minor::ExecContext::readCCRegOperand	(	const StaticInst *	si,
		int	idx
	)

inlineoverridevirtual

Implements ExecContext.

Definition at line 270 of file exec_context.hh.

References AlphaISA::CC_Reg_Base, SimpleThread::readCCReg(), StaticInst::srcRegIdx(), and thread.

TheISA::FloatReg Minor::ExecContext::readFloatRegOperand	(	const StaticInst *	si,
		int	idx
	)

inlineoverridevirtual

Reads a floating point register of single register width.

Implements ExecContext.

Definition at line 131 of file exec_context.hh.

References AlphaISA::FP_Reg_Base, SimpleThread::readFloatReg(), StaticInst::srcRegIdx(), and thread.

TheISA::FloatRegBits Minor::ExecContext::readFloatRegOperandBits	(	const StaticInst *	si,
		int	idx
	)

inlineoverridevirtual

Reads a floating point register in its binary format, instead of by value.

Implements ExecContext.

Definition at line 138 of file exec_context.hh.

References AlphaISA::FP_Reg_Base, SimpleThread::readFloatRegBits(), StaticInst::srcRegIdx(), and thread.

IntReg Minor::ExecContext::readIntRegOperand	(	const StaticInst *	si,
		int	idx
	)

inlineoverridevirtual

Reads an integer register.

Implements ExecContext.

Definition at line 125 of file exec_context.hh.

References SimpleThread::readIntReg(), StaticInst::srcRegIdx(), and thread.

TheISA::MiscReg Minor::ExecContext::readMiscReg ( int misc_reg )

inlineoverridevirtual

Reads a miscellaneous register, handling any architectural side effects due to reading that register.

Implements ExecContext.

Definition at line 197 of file exec_context.hh.

References SimpleThread::readMiscReg(), and thread.

TheISA::MiscReg Minor::ExecContext::readMiscRegNoEffect ( int misc_reg ) const

inline

Definition at line 191 of file exec_context.hh.

References SimpleThread::readMiscRegNoEffect(), and thread.

TheISA::MiscReg Minor::ExecContext::readMiscRegOperand	(	const StaticInst *	si,
		int	idx
	)

inlineoverridevirtual

Implements ExecContext.

Definition at line 209 of file exec_context.hh.

References AlphaISA::Misc_Reg_Base, SimpleThread::readMiscReg(), StaticInst::srcRegIdx(), and thread.

bool Minor::ExecContext::readPredicate ( )

inlineoverridevirtual

Implements ExecContext.

Definition at line 167 of file exec_context.hh.

References SimpleThread::readPredicate(), and thread.

Referenced by Minor::Execute::commitInst(), Minor::Execute::executeMemRefInst(), and Minor::Execute::handleMemResponse().

uint64_t Minor::ExecContext::readRegOtherThread	(	int	idx,
		ThreadID	tid = `InvalidThreadID`
	)

inlinevirtual

Implements ExecContext.

Definition at line 311 of file exec_context.hh.

References cpu, AlphaISA::FP_Reg_Base, InvalidThreadID, AlphaISA::Misc_Reg_Base, SimpleThread::readFloatRegBits(), SimpleThread::readIntReg(), SimpleThread::readMiscReg(), thread, and MinorCPU::threads.

unsigned int Minor::ExecContext::readStCondFailures ( ) const

inlineoverridevirtual

Returns the number of consecutive store conditional failures.

Implements ExecContext.

Definition at line 255 of file exec_context.hh.

void Minor::ExecContext::setCCRegOperand	(	const StaticInst *	si,
		int	idx,
		TheISA::CCReg	val
	)

inlineoverridevirtual

Implements ExecContext.

Definition at line 277 of file exec_context.hh.

References AlphaISA::CC_Reg_Base, StaticInst::destRegIdx(), SimpleThread::setCCReg(), and thread.

void Minor::ExecContext::setEA ( Addr EA )

inlineoverridevirtual

Record the effective address of the instruction.

Note: Only valid for memory ops.

Implements ExecContext.

Definition at line 296 of file exec_context.hh.

References ArmISA::ea, and inst.

void Minor::ExecContext::setFloatRegOperand	(	const StaticInst *	si,
		int	idx,
		TheISA::FloatReg	val
	)

inlineoverridevirtual

Sets a floating point register of single width to a value.

Implements ExecContext.

Definition at line 151 of file exec_context.hh.

References StaticInst::destRegIdx(), AlphaISA::FP_Reg_Base, SimpleThread::setFloatReg(), and thread.

void Minor::ExecContext::setFloatRegOperandBits	(	const StaticInst *	si,
		int	idx,
		TheISA::FloatRegBits	val
	)

inlineoverridevirtual

Sets the bits of a floating point register of single width to a binary value.

Implements ExecContext.

Definition at line 159 of file exec_context.hh.

References StaticInst::destRegIdx(), AlphaISA::FP_Reg_Base, SimpleThread::setFloatRegBits(), and thread.

void Minor::ExecContext::setIntRegOperand	(	const StaticInst *	si,
		int	idx,
		IntReg	val
	)

inlineoverridevirtual

Sets an integer register to a value.

Implements ExecContext.

Definition at line 145 of file exec_context.hh.

References StaticInst::destRegIdx(), SimpleThread::setIntReg(), thread, and X86ISA::val.

void Minor::ExecContext::setMiscReg	(	int	misc_reg,
		const TheISA::MiscReg &	val
	)

inlineoverridevirtual

Sets a miscellaneous register, handling any architectural side effects due to writing that register.

Implements ExecContext.

Definition at line 203 of file exec_context.hh.

References SimpleThread::setMiscReg(), and thread.

void Minor::ExecContext::setMiscRegOperand	(	const StaticInst *	si,
		int	idx,
		const TheISA::MiscReg &	val
	)

inlineoverridevirtual

Implements ExecContext.

Definition at line 216 of file exec_context.hh.

References StaticInst::destRegIdx(), AlphaISA::Misc_Reg_Base, SimpleThread::setMiscReg(), and thread.

void Minor::ExecContext::setPredicate ( bool val )

inlineoverridevirtual

Implements ExecContext.

Definition at line 173 of file exec_context.hh.

References SimpleThread::setPredicate(), and thread.

Referenced by ExecContext().

void Minor::ExecContext::setRegOtherThread	(	int	idx,
		const TheISA::MiscReg &	val,
		ThreadID	tid = `InvalidThreadID`
	)

inline

Definition at line 328 of file exec_context.hh.

References cpu, AlphaISA::FP_Reg_Base, InvalidThreadID, AlphaISA::Misc_Reg_Base, SimpleThread::setFloatRegBits(), SimpleThread::setIntReg(), SimpleThread::setMiscReg(), thread, and MinorCPU::threads.

void Minor::ExecContext::setStCondFailures ( unsigned int sc_failures )

inlineoverridevirtual

Sets the number of consecutive store conditional failures.

Implements ExecContext.

Definition at line 256 of file exec_context.hh.

bool Minor::ExecContext::simPalCheck ( int palFunc )

inlineoverridevirtual

Check for special simulator handling of specific PAL calls.

If return value is false, actual PAL call will be suppressed.

Implements ExecContext.

Definition at line 234 of file exec_context.hh.

References SimpleThread::simPalCheck(), and thread.

void Minor::ExecContext::syscall	(	int64_t	callnum,
		Fault *	fault
	)

inlineoverridevirtual

Executes a syscall specified by the callnum.

Implements ExecContext.

Definition at line 244 of file exec_context.hh.

References FullSystem, panic, SimpleThread::syscall(), and thread.

ThreadContext* Minor::ExecContext::tcBase ( )

inlineoverridevirtual

Returns a pointer to the ThreadContext.

Implements ExecContext.

Definition at line 252 of file exec_context.hh.

References SimpleThread::getTC(), and thread.

Fault Minor::ExecContext::writeMem	(	uint8_t *	data,
		unsigned int	size,
		Addr	addr,
		Request::Flags	flags,
		uint64_t *	res
	)

inlineoverridevirtual

For atomic-mode contexts, perform an atomic memory write operation.

For timing-mode contexts, initiate a timing memory write operation.

Implements ExecContext.

Definition at line 116 of file exec_context.hh.

References execute, Minor::Execute::getLSQ(), inst, NoFault, and Minor::LSQ::pushRequest().

Member Data Documentation

MinorCPU& Minor::ExecContext::cpu

Definition at line 77 of file exec_context.hh.

Referenced by getCpuPtr(), readRegOtherThread(), and setRegOtherThread().

Execute& Minor::ExecContext::execute

The execute stage so we can peek at its contents.

Definition at line 83 of file exec_context.hh.

Referenced by initiateMemRead(), and writeMem().

MinorDynInstPtr Minor::ExecContext::inst

Instruction for the benefit of memory operations and for PC.

Definition at line 86 of file exec_context.hh.

Referenced by armMonitor(), ExecContext(), getAddrMonitor(), getEA(), initiateMemRead(), mwait(), mwaitAtomic(), setEA(), and writeMem().

SimpleThread& Minor::ExecContext::thread

ThreadState object, provides all the architectural state.

Definition at line 80 of file exec_context.hh.

Referenced by contextId(), demapDataPage(), demapInstPage(), demapPage(), ExecContext(), hwrei(), mwaitAtomic(), pcState(), readCCRegOperand(), readFloatRegOperand(), readFloatRegOperandBits(), readIntRegOperand(), readMiscReg(), readMiscRegNoEffect(), readMiscRegOperand(), readPredicate(), readRegOtherThread(), setCCRegOperand(), setFloatRegOperand(), setFloatRegOperandBits(), setIntRegOperand(), setMiscReg(), setMiscRegOperand(), setPredicate(), setRegOtherThread(), simPalCheck(), syscall(), and tcBase().

The documentation for this class was generated from the following file:

cpu/minor/exec_context.hh

Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation