MIPS32TlbManager Class Reference

#include <TlbManager.h>

Inheritance diagram for MIPS32TlbManager:

Collaboration diagram for MIPS32TlbManager:

Public Member Functions
void	initialise ()
void	interrupt (size_t interruptNumber, InterruptState &state)

Static Public Member Functions
static MIPS32TlbManager &	instance ()
static void	interruptAsm ()
static void	writeTlb (uintptr_t entryHi, uintptr_t entryLo0, uintptr_t entryLo1)
static void	writeTlbWired (uintptr_t tlbEntry, uintptr_t entryHi, uintptr_t entryLo0, uintptr_t entryLo1)
static void	flush (uintptr_t numEntries)
static void	flushAsid (uintptr_t numEntries, uintptr_t asid)
static void	writeContext (uintptr_t context)
static void	writeWired (uintptr_t wired)
static void	writePageMask (uintptr_t pageMask)
static uintptr_t	getNumEntries ()

Private Member Functions
	MIPS32TlbManager ()
	~MIPS32TlbManager ()

Private Attributes
uint32_t	m_nEntries

Static Private Attributes
static MIPS32TlbManager	m_Instance

Additional Inherited Members
Protected Member Functions inherited from InterruptHandler
virtual	~InterruptHandler ()

Detailed Description

A class for manipulating and refilling the translation lookaside buffer.

Definition at line 28 of file mips32/TlbManager.h.

Constructor & Destructor Documentation

MIPS32TlbManager::MIPS32TlbManager ( )

private

Default constructor.

Definition at line 36 of file TlbManager.cc.

MIPS32TlbManager::~MIPS32TlbManager ( )

private

Destructor.

Definition at line 40 of file TlbManager.cc.

Member Function Documentation

static void MIPS32TlbManager::flush ( uintptr_t  numEntries )

static

Flushes the entire TLB

Note

Defined in asm/Tlb.s

Referenced by initialise().

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static void MIPS32TlbManager::flushAsid ( uintptr_t  numEntries, uintptr_t  asid  )

static

Flushes the TLB of any entries with the given ASID.

Note

Defined in asm/Tlb.s

static uintptr_t MIPS32TlbManager::getNumEntries ( )

static

Returns the number of TLB entries.

Note

Defined in asm/Tlb.s

Referenced by initialise().

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void MIPS32TlbManager::initialise

(

)

Initialises the TLB

Definition at line 44 of file TlbManager.cc.

References flush(), getNumEntries(), InterruptManager::instance(), m_nEntries, InterruptManager::registerInterruptHandler(), writeContext(), writePageMask(), and writeWired().

MIPS32TlbManager & MIPS32TlbManager::instance ( )

static

Retrieves the singleton instance of this Tlb manager.

Definition at line 31 of file TlbManager.cc.

References m_Instance.

void MIPS32TlbManager::interrupt ( size_t  nInterruptNumber, InterruptState &  state  )

virtual

Called when the handler is registered with the interrupt manager and the interrupt occurred

Parameters

[in]	nInterruptNumber	the interrupt number
[in]	state	reference to the state before the interrupt

Implements InterruptHandler.

Definition at line 70 of file TlbManager.cc.

References VirtualAddressSpace::getKernelAddressSpace(), MIPS32VirtualAddressSpace::getPageTableChunk(), Hex, Debugger::instance(), NOTICE, panic(), Debugger::start(), and writeTlb().

static void MIPS32TlbManager::interruptAsm ( )

static

The assembler code for handling a TLB refill.

Note

Defined in asm/Tlb.s

static void MIPS32TlbManager::writeContext ( uintptr_t  context )

static

Writes the given value into the Context register.

Note

Defined in asm/Tlb.s

Referenced by initialise().

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static void MIPS32TlbManager::writePageMask ( uintptr_t  pageMask )

static

Writes the given value into the PageMask register.

Note

Defined in asm/Tlb.s

Referenced by initialise().

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static void MIPS32TlbManager::writeTlb ( uintptr_t  entryHi, uintptr_t  entryLo0, uintptr_t  entryLo1  )

static

Writes a random TLB entry

Note

Defined in asm/Tlb.s

Referenced by interrupt().

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static void MIPS32TlbManager::writeTlbWired ( uintptr_t  tlbEntry, uintptr_t  entryHi, uintptr_t  entryLo0, uintptr_t  entryLo1  )

static

Writes a specific TLB entry

Note

Defined in asm/Tlb.s

static void MIPS32TlbManager::writeWired ( uintptr_t  wired )

static

Writes the given value into the Wired register.

Note

Defined in asm/Tlb.s

Referenced by initialise().

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Member Data Documentation

MIPS32TlbManager MIPS32TlbManager::m_Instance

staticprivate

The singleton instance of this class.

Definition at line 81 of file mips32/TlbManager.h.

Referenced by instance().

uint32_t MIPS32TlbManager::m_nEntries

private

The number of entries in the TLB.

Definition at line 84 of file mips32/TlbManager.h.

Referenced by initialise().

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

• mips32/TlbManager.h
• TlbManager.cc