Struct page_table_entry::aarch64::A64PTE

pub struct A64PTE(/* private fields */);

A VMSAv8-64 translation table descriptor.

Note that the AttrIndx[2:0] (bit[4:2]) field is set to 0 for device memory, and 1 for normal memory. The system must configure the MAIR_ELx system register accordingly.

Implementations

impl A64PTE

pub const fn empty() -> Self

Available on AArch64 only.

Creates an empty descriptor with all bits set to zero.

Trait Implementations

impl Clone for A64PTE

Available on AArch64 only.

fn clone(&self) -> A64PTE

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for A64PTE

Available on AArch64 only.

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl GenericPTE for A64PTE

Available on AArch64 only.

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_fault_page(flags: MappingFlags, _is_huge: bool) -> Self

Creates a fault page table entry.

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 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.

impl Copy for A64PTE

Available on AArch64 only.