gem5::o3 Namespace Reference

Classes
class	Checker
	Specific non-templated derived class used for SimObject configuration. More...
class	Commit
	Commit handles single threaded and SMT commit. More...
class	CPU
	O3CPU class, has each of the stages (fetch through commit) within it, as well as all of the time buffers between stages. More...
class	Decode
	Decode class handles both single threaded and SMT decode. More...
struct	DecodeStruct
	Struct that defines the information passed from decode to rename. More...
class	DependencyEntry
	Node in a linked list. More...
class	DependencyGraph
	Array of linked list that maintains the dependencies between producing instructions and consuming instructions. More...
class	DynInst
class	ElasticTrace
	The elastic trace is a type of probe listener and listens to probe points in multiple stages of the O3CPU. More...
class	Fetch
	Fetch class handles both single threaded and SMT fetch. More...
struct	FetchStruct
	Struct that defines the information passed from fetch to decode. More...
class	FUPool
	Pool of FU's, specific to the new CPU model. More...
class	IEW
	IEW handles both single threaded and SMT IEW (issue/execute/writeback). More...
struct	IEWStruct
	Struct that defines the information passed from IEW to commit. More...
class	InstructionQueue
	A standard instruction queue class. More...
struct	IssueStruct
class	LSQ
class	LSQUnit
	Class that implements the actual LQ and SQ for each specific thread. More...
struct	ltseqnum
class	MemDepUnit
	Memory dependency unit class. More...
class	PhysRegFile
	Simple physical register file class. More...
class	Rename
	Rename handles both single threaded and SMT rename. More...
struct	RenameStruct
	Struct that defines the information passed from rename to IEW. More...
class	ROB
	ROB class. More...
class	Scoreboard
	Implements a simple scoreboard to track which registers are ready. More...
class	SimpleFreeList
	Free list for a single class of registers (e.g., integer or floating point). More...
class	SimpleRenameMap
	Register rename map for a single class of registers (e.g., integer or floating point). More...
class	SimpleTrace
class	StoreSet
	Implements a store set predictor for determining if memory instructions are dependent upon each other. More...
class	ThreadContext
	Derived ThreadContext class for use with the O3CPU. More...
class	ThreadState
	Class that has various thread state, such as the status, the current instruction being processed, whether or not the thread has a trap pending or is being externally updated, the ThreadContext pointer, etc. More...
struct	TimeStruct
	Struct that defines all backwards communication. More...
class	UnifiedFreeList
	FreeList class that simply holds the list of free integer and floating point registers. More...
class	UnifiedRenameMap
	Unified register rename map for all classes of registers. More...

Typedefs
using	DynInstPtr = RefCountingPtr<DynInst>
using	DynInstConstPtr = RefCountingPtr<const DynInst>

Functions
template<class CommStruct>
void	removeCommThreadInsts (ThreadID tid, CommStruct &comm_struct)
	Remove instructions belonging to given thread from the given comm struct's instruction array.

Variables
static constexpr int	MaxWidth = 12
static constexpr int	MaxThreads = 4

Typedef Documentation

DynInstConstPtr

using gem5::o3::DynInstConstPtr = RefCountingPtr<const DynInst>

Definition at line 56 of file dyn_inst_ptr.hh.

DynInstPtr

using gem5::o3::DynInstPtr = RefCountingPtr<DynInst>

Definition at line 55 of file dyn_inst_ptr.hh.

Function Documentation

removeCommThreadInsts()

template<class CommStruct>

void gem5::o3::removeCommThreadInsts	(	ThreadID	tid,
		CommStruct &	comm_struct )

Remove instructions belonging to given thread from the given comm struct's instruction array.

Automatically updates the array size.

Definition at line 235 of file comm.hh.

Referenced by gem5::o3::Decode::clearStates(), gem5::o3::Fetch::clearStates(), gem5::o3::IEW::clearStates(), and gem5::o3::Rename::clearStates().

Variable Documentation

MaxThreads

int gem5::o3::MaxThreads = 4

staticconstexpr

Definition at line 38 of file limits.hh.

Referenced by gem5::o3::Commit::Commit(), gem5::o3::Decode::Decode(), gem5::o3::MemDepUnit::drainSanityCheck(), gem5::o3::MemDepUnit::dumpLists(), gem5::o3::Fetch::Fetch(), gem5::o3::IEW::IEW(), gem5::o3::InstructionQueue::InstructionQueue(), gem5::o3::MemDepUnit::isDrained(), gem5::o3::LSQUnit::name(), gem5::o3::Rename::Rename(), gem5::o3::InstructionQueue::resetState(), gem5::o3::ROB::resetState(), gem5::o3::ROB::ROB(), and gem5::o3::MemDepUnit::~MemDepUnit().

MaxWidth

int gem5::o3::MaxWidth = 12

staticconstexpr

Definition at line 37 of file limits.hh.

Referenced by gem5::o3::Commit::Commit(), gem5::o3::Decode::Decode(), gem5::o3::Fetch::Fetch(), gem5::o3::IEW::IEW(), and gem5::o3::Rename::Rename().