ARM64Cache Class Reference

ARMv7 cache management implementation. More...

#include <ARM64Cache.h>

Inheritance diagram for ARM64Cache:

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

Private Types
enum	CacheLevelType { CacheLevelInstruction = 1 , CacheLevelData = 2 , CacheLevelInstructionData = 3 , CacheLevelUnified = 4 }
	Defines the cache level type bits. More...

Private Member Functions
Result	dataFlush (bool clean)
	Flush the entire data cache.
u32	getCacheLevelId () const
	Get cache level identifier.
u32	getCacheLineSize () const
	Get cache line size in bytes.
u32	readCacheSize (u32 level, u32 type) const
	Get cache size.
Result	flushLevel (u32 level, bool clean)
	Clean and Invalidate by cache level.

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

Detailed Description

ARMv7 cache management implementation.

See also

ARM Architecture Reference Manual, page xxx

Definition at line 43 of file ARM64Cache.h.

Member Enumeration Documentation

CacheLevelType

enum ARM64Cache::CacheLevelType

private

Defines the cache level type bits.

Enumerator
CacheLevelInstruction
CacheLevelData
CacheLevelInstructionData
CacheLevelUnified

Definition at line 50 of file ARM64Cache.h.

Member Function Documentation

cleanAddress()

ARM64Cache::Result ARM64Cache::cleanAddress ( ARM64Cache::Type  type, Address  addr  )

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

Implements Cache.

Definition at line 55 of file ARM64Cache.cpp.

References Cache::Success.

cleanInvalidate()

ARM64Cache::Result ARM64Cache::cleanInvalidate ( ARM64Cache::Type  type )

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

Implements Cache.

Definition at line 45 of file ARM64Cache.cpp.

References Cache::Success.

Referenced by invalidate().

cleanInvalidateAddress()

ARM64Cache::Result ARM64Cache::cleanInvalidateAddress ( Type  type, Address  addr  )

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

Implements Cache.

Definition at line 50 of file ARM64Cache.cpp.

References Cache::Success.

dataFlush()

ARM64Cache::Result ARM64Cache::dataFlush ( bool  clean )

private

Flush the entire data cache.

Parameters

clean

True to clean cache before invalidation.

Returns

Result code

Definition at line 102 of file ARM64Cache.cpp.

References Cache::Success.

Referenced by invalidate().

flushLevel()

ARM64Cache::Result ARM64Cache::flushLevel ( u32  level, bool  clean  )

private

Clean and Invalidate by cache level.

Parameters

level	Cache level
clean	True to clean cache before invalidation.

Returns

Result code

Definition at line 97 of file ARM64Cache.cpp.

References Cache::Success.

getCacheLevelId()

u32 ARM64Cache::getCacheLevelId ( ) const

private

Get cache level identifier.

Returns

Cache Level Identifier

Definition at line 65 of file ARM64Cache.cpp.

getCacheLineSize()

u32 ARM64Cache::getCacheLineSize ( ) const

private

Get cache line size in bytes.

Returns

Cache line in bytes

Definition at line 70 of file ARM64Cache.cpp.

invalidate()

ARM64Cache::Result ARM64Cache::invalidate ( ARM64Cache::Type  type )

virtual

Invalidate the entire cache.

Parameters

type	Cache type to invalidate.

Returns

Result code

Implements Cache.

Definition at line 27 of file ARM64Cache.cpp.

References cleanInvalidate(), Cache::Data, dataFlush(), Cache::Instruction, invalidate(), Cache::Success, type, and Cache::Unified.

Referenced by invalidate().

invalidateAddress()

ARM64Cache::Result ARM64Cache::invalidateAddress ( ARM64Cache::Type  type, Address  addr  )

virtual

Invalidate one memory page.

Parameters

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

Returns

Result code

Implements Cache.

Definition at line 60 of file ARM64Cache.cpp.

References Cache::Success.

readCacheSize()

u32 ARM64Cache::readCacheSize ( u32  level, u32  type  ) const

private

Get cache size.

Parameters

level	Cache level to get size for
type	Cache type to get size for

Returns

Cache size in bytes

Definition at line 75 of file ARM64Cache.cpp.

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

• lib/libarch/arm64/ARM64Cache.h
• lib/libarch/arm64/ARM64Cache.cpp