Struct os::mm::PageTableEntry

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

page table entry structure

Fields

bits: usize

PTE

Implementations

impl PageTableEntry

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

Create a PTE from ppn

pub fn empty() -> Self

Return an empty PTE

pub fn ppn(&self) -> PhysPageNum

Return 44bit ppn

pub fn flags(&self) -> PTEFlags

Return 10bit flag

pub fn is_valid(&self) -> bool

Check PTE valid

pub fn readable(&self) -> bool

Check PTE readable

pub fn writable(&self) -> bool

Check PTE writable

pub fn executable(&self) -> bool

Check PTE 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