Struct os::mm::PageTableEntry

#[repr(C)]
pub struct PageTableEntry {
    pub bits: usize,
}

page table entry structure

Fields

bits: usize

bits of page table entry

Implementations

impl PageTableEntry

pub fn new(ppn: PhysPageNum, flags: PTEFlags) -> Self

Create a new page table entry

pub fn empty() -> Self

Create an empty page table entry

pub fn ppn(&self) -> PhysPageNum

Get the physical page number from the page table entry

pub fn flags(&self) -> PTEFlags

Get the flags from the page table entry

pub fn is_valid(&self) -> bool

The page pointered by page table entry is valid?

pub fn readable(&self) -> bool

The page pointered by page table entry is readable?

pub fn writable(&self) -> bool

The page pointered by page table entry is writable?

pub fn executable(&self) -> bool

The page pointered by page table entry is executable?

Trait Implementations

impl Clone for PageTableEntry

fn clone(&self) -> PageTableEntry

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PageTableEntry