tlb

package
v1.8.2 Latest Latest
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 Go to latest Published: Mar 26, 2020 License: MIT Imports: 7 Imported by: 0

Documentation

Overview

Package tlb provides a TLB component implementation.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Builder 

type Builder struct {
	// contains filtered or unexported fields
}

A Builder can build TLBs

func MakeBuilder 

func MakeBuilder() Builder

MakeBuilder returns a Builder

func (Builder) Build 

func (b Builder) Build(name string) *TLB

Build creates a new TLB

func (Builder) WithEngine 

func (b Builder) WithEngine(engine akita.Engine) Builder

WithEngine sets the engine that the TLBs to use

func (Builder) WithFreq 

func (b Builder) WithFreq(freq akita.Freq) Builder

WithFreq sets the freq the TLBs use

func (Builder) WithLowModule 

func (b Builder) WithLowModule(lowModule akita.Port) Builder

WithLowModule sets the port that can provide the address translation in case of tlb miss.

func (Builder) WithNumMSHREntry 

func (b Builder) WithNumMSHREntry(num int) Builder

WithNumMSHREntry sets the number of mshr entry

func (Builder) WithNumReqPerCycle 

func (b Builder) WithNumReqPerCycle(n int) Builder

WithNumReqPerCycle sets the number of requests per cycle can be processed by a TLB

func (Builder) WithNumSets 

func (b Builder) WithNumSets(n int) Builder

WithNumSets sets the number of sets in a TLB. Use 1 for fully associated TLBs.

func (Builder) WithNumWays 

func (b Builder) WithNumWays(n int) Builder

WithNumWays sets the number of ways in a TLB. Set this field to the number of TLB entries for all the functions.

func (Builder) WithPageSize 

func (b Builder) WithPageSize(n uint64) Builder

WithPageSize sets the page size that the TLB works with.

type TLB 

type TLB struct {
	*akita.TickingComponent

	TopPort     akita.Port
	BottomPort  akita.Port
	ControlPort akita.Port

	LowModule akita.Port

	Sets []internal.Set
	// contains filtered or unexported fields
}

A TLB is a cache that maintains some page information.

func (*TLB) Tick 

func (tlb *TLB) Tick(now akita.VTimeInSec) bool

Tick defines how TLB update states at each cycle

type TLBFlushReq 

type TLBFlushReq struct {
	akita.MsgMeta
	VAddr []uint64
	PID   ca.PID
}

A TLBFlushReq asks the TLB to invalidate certain entries. It will also not block all incoming and outgoing ports

func (*TLBFlushReq) Meta 

func (r *TLBFlushReq) Meta() *akita.MsgMeta

Meta returns the meta data associated with the message.

type TLBFlushReqBuilder 

type TLBFlushReqBuilder struct {
	// contains filtered or unexported fields
}

TLBFlushReqBuilder can build AT flush requests

func (TLBFlushReqBuilder) Build 

func (b TLBFlushReqBuilder) Build() *TLBFlushReq

Build creates a new TLBFlushReq

func (TLBFlushReqBuilder) WithDst 

func (b TLBFlushReqBuilder) WithDst(dst akita.Port) TLBFlushReqBuilder

WithDst sets the destination of the request to build.

func (TLBFlushReqBuilder) WithPID 

func (b TLBFlushReqBuilder) WithPID(pid ca.PID) TLBFlushReqBuilder

WithPID sets the pid whose entries are to be flushed

func (TLBFlushReqBuilder) WithSendTime 

func (b TLBFlushReqBuilder) WithSendTime(
	t akita.VTimeInSec,
) TLBFlushReqBuilder

WithSendTime sets the send time of the request to build.:w

func (TLBFlushReqBuilder) WithSrc 

func (b TLBFlushReqBuilder) WithSrc(src akita.Port) TLBFlushReqBuilder

WithSrc sets the source of the request to build.

func (TLBFlushReqBuilder) WithVAddrs 

func (b TLBFlushReqBuilder) WithVAddrs(vAddrs []uint64) TLBFlushReqBuilder

WithVAddrs sets the Vaddr of the pages to be flushed

type TLBFlushRsp 

type TLBFlushRsp struct {
	akita.MsgMeta
}

A TLBFlushRsp is a response from AT indicating flush is complete

func (*TLBFlushRsp) Meta 

func (r *TLBFlushRsp) Meta() *akita.MsgMeta

Meta returns the meta data associated with the message.

type TLBFlushRspBuilder 

type TLBFlushRspBuilder struct {
	// contains filtered or unexported fields
}

TLBFlushRspBuilder can build AT flush rsp

func (TLBFlushRspBuilder) Build 

func (b TLBFlushRspBuilder) Build() *TLBFlushRsp

Build creats a new TLBFlushRsps

func (TLBFlushRspBuilder) WithDst 

func (b TLBFlushRspBuilder) WithDst(dst akita.Port) TLBFlushRspBuilder

WithDst sets the destination of the request to build.

func (TLBFlushRspBuilder) WithSendTime 

func (b TLBFlushRspBuilder) WithSendTime(
	t akita.VTimeInSec,
) TLBFlushRspBuilder

WithSendTime sets the send time of the request to build.:w

func (TLBFlushRspBuilder) WithSrc 

func (b TLBFlushRspBuilder) WithSrc(src akita.Port) TLBFlushRspBuilder

WithSrc sets the source of the request to build.

type TLBRestartReq 

type TLBRestartReq struct {
	akita.MsgMeta
}

A TLBRestartReq is a request to TLB to start accepting requests and resume operations

func (*TLBRestartReq) Meta 

func (r *TLBRestartReq) Meta() *akita.MsgMeta

Meta returns the meta data associated with the message.

type TLBRestartReqBuilder 

type TLBRestartReqBuilder struct {
	// contains filtered or unexported fields
}

TLBFlushRspBuilder can build AT flush rsp

func (TLBRestartReqBuilder) Build 

func (b TLBRestartReqBuilder) Build() *TLBRestartReq

Build creats a new TLBRestartReq

func (TLBRestartReqBuilder) WithDst 

func (b TLBRestartReqBuilder) WithDst(dst akita.Port) TLBRestartReqBuilder

WithDst sets the destination of the request to build.

func (TLBRestartReqBuilder) WithSendTime 

func (b TLBRestartReqBuilder) WithSendTime(
	t akita.VTimeInSec,
) TLBRestartReqBuilder

WithSendTime sets the send time of the request to build.:w

func (TLBRestartReqBuilder) WithSrc 

func (b TLBRestartReqBuilder) WithSrc(src akita.Port) TLBRestartReqBuilder

WithSrc sets the source of the request to build.

type TLBRestartRsp 

type TLBRestartRsp struct {
	akita.MsgMeta
}

A TLBRestartRsp is a response from AT indicating it has resumed working

func (*TLBRestartRsp) Meta 

func (r *TLBRestartRsp) Meta() *akita.MsgMeta

Meta returns the meta data associated with the message.

type TLBRestartRspBuilder 

type TLBRestartRspBuilder struct {
	// contains filtered or unexported fields
}

TLBRestartRspBuilder can build AT flush rsp

func (TLBRestartRspBuilder) Build 

func (b TLBRestartRspBuilder) Build() *TLBRestartRsp

Build creates a new TLBRestartRsp

func (TLBRestartRspBuilder) WithDst 

func (b TLBRestartRspBuilder) WithDst(dst akita.Port) TLBRestartRspBuilder

WithDst sets the destination of the request to build.

func (TLBRestartRspBuilder) WithSendTime 

func (b TLBRestartRspBuilder) WithSendTime(
	t akita.VTimeInSec,
) TLBRestartRspBuilder

WithSendTime sets the send time of the request to build.:w

func (TLBRestartRspBuilder) WithSrc 

func (b TLBRestartRspBuilder) WithSrc(src akita.Port) TLBRestartRspBuilder

WithSrc sets the source of the request to build.

Source Files

View all Source files

Directories

Path Synopsis
Package internal provides the definition required for defining TLB.
 Package internal provides the definition required for defining TLB.

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