AlphaISA::Decoder Class Reference

#include <decoder.hh>

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	takeOverFrom (Decoder *old)
StaticInstPtr	decodeInst (ExtMachInst mach_inst)
StaticInstPtr	decode (ExtMachInst mach_inst, Addr addr)
	Decode a machine instruction. More...
StaticInstPtr	decode (AlphaISA::PCState &nextPC)

Protected Attributes
ExtMachInst	ext_inst
bool	instDone

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

Detailed Description

Definition at line 43 of file decoder.hh.

Constructor & Destructor Documentation

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

inline

Definition at line 51 of file decoder.hh.

Member Function Documentation

StaticInstPtr AlphaISA::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 100 of file decoder.hh.

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

Referenced by decode().

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

inline

Definition at line 106 of file decoder.hh.

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

StaticInstPtr AlphaISA::Decoder::decodeInst

(

ExtMachInst

mach_inst

)

bool AlphaISA::Decoder::instReady ( )

inline

Definition at line 82 of file decoder.hh.

References instDone.

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

inline

Definition at line 67 of file decoder.hh.

References ext_inst, FullSystem, instDone, and GenericISA::SimplePCState< MachInst >::pc().

bool AlphaISA::Decoder::needMoreBytes ( )

inline

Definition at line 76 of file decoder.hh.

void AlphaISA::Decoder::process ( )

inline

Definition at line 55 of file decoder.hh.

void AlphaISA::Decoder::reset ( )

inline

Definition at line 59 of file decoder.hh.

References instDone.

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

inline

Definition at line 87 of file decoder.hh.

Member Data Documentation

GenericISA::BasicDecodeCache AlphaISA::Decoder::defaultCache

staticprotected

A cache of decoded instruction objects.

Definition at line 91 of file decoder.hh.

Referenced by decode().

ExtMachInst AlphaISA::Decoder::ext_inst

protected

Definition at line 47 of file decoder.hh.

Referenced by decode(), and moreBytes().

bool AlphaISA::Decoder::instDone

protected

Definition at line 48 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/alpha/decoder.hh
• arch/alpha/decoder.cc