Trait GenericPTE

pub trait GenericPTE:
    Debug
    + Clone
    + Copy
    + Sync
    + Send
    + Sized {
    // Required methods
    fn new_page(paddr: PhysAddr, flags: MappingFlags, is_huge: bool) -> Self;
    fn new_table(paddr: PhysAddr) -> Self;
    fn paddr(&self) -> PhysAddr;
    fn flags(&self) -> MappingFlags;
    fn set_paddr(&mut self, paddr: PhysAddr);
    fn set_flags(&mut self, flags: MappingFlags, is_huge: bool);
    fn bits(self) -> usize;
    fn is_unused(&self) -> bool;
    fn is_present(&self) -> bool;
    fn is_huge(&self) -> bool;
    fn clear(&mut self);
}

A generic page table entry.

All architecture-specific page table entry types implement this trait.

Required Methods

fn new_page(paddr: PhysAddr, flags: MappingFlags, is_huge: bool) -> Self

Creates a page table entry point to a terminate page or block.

fn new_table(paddr: PhysAddr) -> Self

Creates a page table entry point to a next level page table.

fn paddr(&self) -> PhysAddr

Returns the physical address mapped by this entry.

fn flags(&self) -> MappingFlags

Returns the flags of this entry.

fn set_paddr(&mut self, paddr: PhysAddr)

Set mapped physical address of the entry.

fn set_flags(&mut self, flags: MappingFlags, is_huge: bool)

Set flags of the entry.

fn bits(self) -> usize

Returns the raw bits of this entry.

fn is_unused(&self) -> bool

Returns whether this entry is zero.

fn is_present(&self) -> bool

Returns whether this entry flag indicates present.

fn is_huge(&self) -> bool

For non-last level translation, returns whether this entry maps to a huge frame.

fn clear(&mut self)

Set this entry to zero.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl GenericPTE for A64PTE

Available on AArch64 only.

impl GenericPTE for Rv64PTE

Available on RISC-V RV32 or RISC-V RV64 only.

impl GenericPTE for X64PTE

Available on x86-64 only.