Struct A32PTE 

pub struct A32PTE(/* private fields */);

Available on ARM only.

An ARMv7-A Short-descriptor page table entry (32-bit).

This can represent:

• L1 Section descriptor (1MB mapping)
• L1 Page Table descriptor (points to L2 table)
• L2 Small Page descriptor (4KB mapping)

Implementations

impl A32PTE

pub const fn empty() -> Self

Creates an empty descriptor with all bits set to zero.

pub const fn new_section(paddr: PhysAddr, flags: MappingFlags) -> Self

Creates a Section descriptor (1MB block).

pub const fn new_small_page(paddr: PhysAddr, flags: MappingFlags) -> Self

Creates a Small Page descriptor (4KB page).

pub const fn descriptor_type(&self) -> u32

Returns the descriptor type field.

pub const fn is_section(&self) -> bool

Checks if this is a Section descriptor.

Trait Implementations

impl Clone for A32PTE

fn clone(&self) -> A32PTE

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for A32PTE

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

Formats the value using the given formatter.

impl GenericPTE for A32PTE

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.

impl Copy for A32PTE