Cache Class Reference

Cache management interface. More...

#include <Cache.h>

Inheritance diagram for Cache:

Public Types
enum	Result { Success, InvalidArgument, IOError, NotSupported }
	Result codes. More...
enum	Type { Instruction, Data, Unified }
	Cache types. More...

Public Member Functions
virtual Result	invalidate (Type type)=0
	Invalidate the entire cache. More...
virtual Result	cleanInvalidate (Type type)=0
	Clean and invalidate entire cache. More...
virtual Result	cleanInvalidateAddress (Type type, Address addr)=0
	Clean and invalidate one memory page. More...
virtual Result	cleanAddress (Type type, Address addr)=0
	Clean one memory page. More...
virtual Result	invalidateAddress (Type type, Address addr)=0
	Invalidate one memory page. More...
virtual Result	cleanData (Address addr)
	Clean one data page. More...
virtual Result	cleanData (void *ptr)
	Clean one data page. More...

Detailed Description

Cache management interface.

Definition at line 35 of file Cache.h.

Member Enumeration Documentation

Result

enum Cache::Result

Result codes.

Enumerator
Success
InvalidArgument
IOError
NotSupported

Definition at line 42 of file Cache.h.

Type

enum Cache::Type

Cache types.

Enumerator
Instruction
Data
Unified

Definition at line 53 of file Cache.h.

Member Function Documentation

cleanAddress()

virtual Result Cache::cleanAddress ( Type  type, Address  addr  )

pure virtual

Clean one memory page.

Parameters

type	Cache type to clean
addr	Virtual memory address of the page to clean and invalidate

Returns

Result code

Implemented in ARMCacheV7, ARMCacheV6, and IntelCache.

Referenced by cleanData().

cleanData() [1/2]

Cache::Result Cache::cleanData ( Address  addr )

virtual

Clean one data page.

Parameters

addr	Virtual memory address to clean

Returns

Result code

Definition at line 20 of file Cache.cpp.

References cleanAddress(), and Data.

Referenced by ProcessShares::createShare(), MemoryChannel::flushPage(), Process::initialize(), ARMSecondTable::map(), ARMFirstTable::map(), ARMFirstTable::mapLarge(), ARMSecondTable::unmap(), ARMFirstTable::unmap(), and VMCtlHandler().

cleanData() [2/2]

Cache::Result Cache::cleanData ( void *  ptr )

virtual

Clean one data page.

Parameters

ptr	Pointer with a virtual memory address to clean

Returns

Result code

Definition at line 25 of file Cache.cpp.

References cleanAddress(), and Data.

cleanInvalidate()

virtual Result Cache::cleanInvalidate ( Type  type )

pure virtual

Clean and invalidate entire cache.

This operation will clean and invalidate the entire given cache.

Parameters

type	Cache type to clean and invalidate.

Returns

Result code

Implemented in ARMCacheV7, ARMCacheV6, and IntelCache.

cleanInvalidateAddress()

virtual Result Cache::cleanInvalidateAddress ( Type  type, Address  addr  )

pure virtual

Clean and invalidate one memory page.

Parameters

type	Cache type to clean and invalidate.
addr	Virtual memory address of the page to clean and invalidate

Returns

Result code

Implemented in ARMCacheV7, ARMCacheV6, and IntelCache.

invalidate()

virtual Result Cache::invalidate ( Type  type )

pure virtual

Invalidate the entire cache.

Parameters

type	Cache type to invalidate.

Returns

Result code

Implemented in ARMCacheV7, ARMCacheV6, and IntelCache.

invalidateAddress()

virtual Result Cache::invalidateAddress ( Type  type, Address  addr  )

pure virtual

Invalidate one memory page.

Parameters

type	Cache type to invalidate
addr	Virtual memory address of the page to invalidate

Returns

Result code

Implemented in ARMCacheV7, ARMCacheV6, and IntelCache.

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

• lib/libarch/Cache.h
• lib/libarch/Cache.cpp