gem5::PowerISA::Decoder Class Reference

#include <decoder.hh>

Inheritance diagram for gem5::PowerISA::Decoder:

Public Member Functions
	Decoder (ISA *isa=nullptr)
void	process ()
void	reset ()
void	moreBytes (const PCState &pc, Addr fetchPC)
bool	needMoreBytes ()
bool	instReady ()
void	takeOverFrom (Decoder *old)
StaticInstPtr	decode (PowerISA::PCState &nextPC)
Public Member Functions inherited from gem5::InstDecoder
template<typename MoreBytesType >
	InstDecoder (MoreBytesType *mb_buf)
virtual StaticInstPtr	fetchRomMicroop (MicroPC micropc, StaticInstPtr curMacroop)
void *	moreBytesPtr () const
size_t	moreBytesSize () const
Addr	pcMask () const

Protected Member Functions
StaticInstPtr	decodeInst (ExtMachInst mach_inst)
StaticInstPtr	decode (ExtMachInst mach_inst, Addr addr)
	Decode a machine instruction. More...

Protected Attributes
ExtMachInst	emi
bool	instDone
Protected Attributes inherited from gem5::InstDecoder
void *	_moreBytesPtr
size_t	_moreBytesSize
Addr	_pcMask

Static Protected Attributes
static GenericISA::BasicDecodeCache< Decoder, ExtMachInst >	defaultCache
	A cache of decoded instruction objects. More...

Friends
class	GenericISA::BasicDecodeCache< Decoder, ExtMachInst >

Detailed Description

Definition at line 46 of file decoder.hh.

Constructor & Destructor Documentation

Decoder()

gem5::PowerISA::Decoder::Decoder ( ISA *  isa = nullptr )

inline

Definition at line 54 of file decoder.hh.

Member Function Documentation

decode() [1/2]

StaticInstPtr gem5::PowerISA::Decoder::decode ( ExtMachInst  mach_inst, Addr  addr  )

inlineprotected

Decode a machine instruction.

Parameters

mach_inst

The binary instruction to decode.

Return values

A	pointer to the corresponding StaticInst object.

Definition at line 101 of file decoder.hh.

References gem5::X86ISA::addr, defaultCache, DPRINTF, and gem5::PowerISA::si.

Referenced by decode().

decode() [2/2]

StaticInstPtr gem5::PowerISA::Decoder::decode ( PowerISA::PCState &  nextPC )

inline

Definition at line 111 of file decoder.hh.

References decode(), emi, gem5::GenericISA::PCStateBase::instAddr(), and instDone.

decodeInst()

StaticInstPtr gem5::PowerISA::Decoder::decodeInst ( ExtMachInst  mach_inst )

protected

instReady()

bool gem5::PowerISA::Decoder::instReady ( )

inline

Definition at line 83 of file decoder.hh.

References instDone.

moreBytes()

void gem5::PowerISA::Decoder::moreBytes ( const PCState &  pc, Addr  fetchPC  )

inline

Definition at line 70 of file decoder.hh.

References emi, gem5::gtoh(), instDone, and gem5::MipsISA::pc.

needMoreBytes()

bool gem5::PowerISA::Decoder::needMoreBytes ( )

inline

Definition at line 77 of file decoder.hh.

process()

void gem5::PowerISA::Decoder::process ( )

inline

Definition at line 57 of file decoder.hh.

reset()

void gem5::PowerISA::Decoder::reset ( )

inline

Definition at line 62 of file decoder.hh.

References instDone.

takeOverFrom()

void gem5::PowerISA::Decoder::takeOverFrom ( Decoder *  old )

inline

Definition at line 88 of file decoder.hh.

Friends And Related Function Documentation

GenericISA::BasicDecodeCache< Decoder, ExtMachInst >

friend class GenericISA::BasicDecodeCache< Decoder, ExtMachInst >

friend

Definition at line 93 of file decoder.hh.

Member Data Documentation

defaultCache

GenericISA::BasicDecodeCache< Decoder, ExtMachInst > gem5::PowerISA::Decoder::defaultCache

staticprotected

A cache of decoded instruction objects.

Definition at line 92 of file decoder.hh.

Referenced by decode().

emi

ExtMachInst gem5::PowerISA::Decoder::emi

protected

Definition at line 50 of file decoder.hh.

Referenced by decode(), and moreBytes().

instDone

bool gem5::PowerISA::Decoder::instDone

protected

Definition at line 51 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/power/decoder.hh
• arch/power/decoder.cc