SparcISA::Decoder Class Reference

#include <decoder.hh>

Inheritance diagram for SparcISA::Decoder:

Public Member Functions
	Decoder (ISA *isa=nullptr)
void	process ()
void	reset ()
void	moreBytes (const PCState &pc, Addr fetchPC, MachInst inst)
bool	needMoreBytes ()
bool	instReady ()
void	setContext (RegVal _asi)
void	takeOverFrom (Decoder *old)
StaticInstPtr	decodeInst (ExtMachInst mach_inst)
StaticInstPtr	decode (ExtMachInst mach_inst, Addr addr)
	Decode a machine instruction. More...
StaticInstPtr	decode (SparcISA::PCState &nextPC)
Public Member Functions inherited from InstDecoder
virtual StaticInstPtr	fetchRomMicroop (MicroPC micropc, StaticInstPtr curMacroop)

Protected Attributes
ExtMachInst	emi
bool	instDone
RegVal	asi

Static Protected Attributes
static GenericISA::BasicDecodeCache	defaultCache
	A cache of decoded instruction objects. More...

Detailed Description

Definition at line 42 of file decoder.hh.

Constructor & Destructor Documentation

Decoder()

SparcISA::Decoder::Decoder ( ISA *  isa = nullptr )

inline

Definition at line 51 of file decoder.hh.

Member Function Documentation

decode() [1/2]

StaticInstPtr SparcISA::Decoder::decode ( ExtMachInst  mach_inst, Addr  addr  )

inline

Decode a machine instruction.

Parameters

mach_inst

The binary instruction to decode.

Return values

A	pointer to the corresponding StaticInst object.

Definition at line 113 of file decoder.hh.

References addr, GenericISA::BasicDecodeCache::decode(), and defaultCache.

Referenced by decode().

decode() [2/2]

StaticInstPtr SparcISA::Decoder::decode ( SparcISA::PCState &  nextPC )

inline

Definition at line 119 of file decoder.hh.

References decode(), emi, GenericISA::PCStateBase::instAddr(), and instDone.

decodeInst()

StaticInstPtr SparcISA::Decoder::decodeInst

(

ExtMachInst

mach_inst

)

instReady()

bool SparcISA::Decoder::instReady ( )

inline

Definition at line 89 of file decoder.hh.

References instDone.

moreBytes()

void SparcISA::Decoder::moreBytes ( const PCState &  pc, Addr  fetchPC, MachInst  inst  )

inline

Definition at line 65 of file decoder.hh.

References asi, betoh(), bits(), emi, and instDone.

needMoreBytes()

bool SparcISA::Decoder::needMoreBytes ( )

inline

Definition at line 83 of file decoder.hh.

process()

void SparcISA::Decoder::process ( )

inline

Definition at line 54 of file decoder.hh.

reset()

void SparcISA::Decoder::reset ( )

inline

Definition at line 57 of file decoder.hh.

References instDone.

setContext()

void SparcISA::Decoder::setContext ( RegVal  _asi )

inline

Definition at line 95 of file decoder.hh.

References asi.

takeOverFrom()

void SparcISA::Decoder::takeOverFrom ( Decoder *  old )

inline

Definition at line 100 of file decoder.hh.

Member Data Documentation

asi

RegVal SparcISA::Decoder::asi

protected

Definition at line 48 of file decoder.hh.

Referenced by moreBytes(), and setContext().

defaultCache

GenericISA::BasicDecodeCache SparcISA::Decoder::defaultCache

staticprotected

A cache of decoded instruction objects.

Definition at line 104 of file decoder.hh.

Referenced by decode().

emi

ExtMachInst SparcISA::Decoder::emi

protected

Definition at line 46 of file decoder.hh.

Referenced by decode(), and moreBytes().

instDone

bool SparcISA::Decoder::instDone

protected

Definition at line 47 of file decoder.hh.

Referenced by decode(), instReady(), moreBytes(), and reset().

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

• arch/sparc/decoder.hh
• arch/sparc/decoder.cc