VirtualMemory Class Reference

#include <vmem.h>

Public Member Functions
	VirtualMemory (uint64_t pg_size, std::size_t page_table_levels, uint64_t minor_penalty, MEMORY_CONTROLLER &dram)
uint64_t	shamt (std::size_t level) const
uint64_t	get_offset (uint64_t vaddr, std::size_t level) const
std::size_t	available_ppages () const
std::pair< uint64_t, uint64_t >	va_to_pa (uint32_t cpu_num, uint64_t vaddr)
std::pair< uint64_t, uint64_t >	get_pte_pa (uint32_t cpu_num, uint64_t vaddr, std::size_t level)

Public Attributes
const uint64_t	minor_fault_penalty
const std::size_t	pt_levels
const uint64_t	pte_page_size

Private Member Functions
uint64_t	ppage_front () const
void	ppage_pop ()

Private Attributes
std::map< std::pair< uint32_t, uint64_t >, uint64_t >	vpage_to_ppage_map
std::map< std::tuple< uint32_t, uint64_t, uint32_t >, uint64_t >	page_table
uint64_t	next_pte_page = 0
uint64_t	next_ppage
uint64_t	last_ppage

Constructor & Destructor Documentation

VirtualMemory()

VirtualMemory::VirtualMemory	(	uint64_t	pg_size,
		std::size_t	page_table_levels,
		uint64_t	minor_penalty,
		MEMORY_CONTROLLER &	dram
	)

Member Function Documentation

available_ppages()

std::size_t VirtualMemory::available_ppages

(

)

const

get_offset()

uint64_t VirtualMemory::get_offset	(	uint64_t	vaddr,
		std::size_t	level
	)		const

get_pte_pa()

std::pair< uint64_t, uint64_t > VirtualMemory::get_pte_pa	(	uint32_t	cpu_num,
		uint64_t	vaddr,
		std::size_t	level
	)

ppage_front()

uint64_t VirtualMemory::ppage_front ( ) const

private

ppage_pop()

void VirtualMemory::ppage_pop ( )

private

shamt()

uint64_t VirtualMemory::shamt

(

std::size_t

level

)

const

va_to_pa()

std::pair< uint64_t, uint64_t > VirtualMemory::va_to_pa	(	uint32_t	cpu_num,
		uint64_t	vaddr
	)

Member Data Documentation

last_ppage

uint64_t VirtualMemory::last_ppage

private

minor_fault_penalty

const uint64_t VirtualMemory::minor_fault_penalty

next_ppage

uint64_t VirtualMemory::next_ppage

private

next_pte_page

uint64_t VirtualMemory::next_pte_page = 0

private

page_table

std::map<std::tuple<uint32_t, uint64_t, uint32_t>, uint64_t> VirtualMemory::page_table

private

pt_levels

const std::size_t VirtualMemory::pt_levels

pte_page_size

const uint64_t VirtualMemory::pte_page_size

vpage_to_ppage_map

std::map<std::pair<uint32_t, uint64_t>, uint64_t> VirtualMemory::vpage_to_ppage_map

private

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

• inc/vmem.h
• src/vmem.cc