Struct axalloc::PhysPage

pub struct PhysPage {
    pub start_vaddr: VirtAddr,
}

A safe wrapper of a single 4K page. It holds the page’s VirtAddr (PhysAddr + offset)

Fields

start_vaddr: VirtAddr

The start virtual address of this page.

Implementations

impl PhysPage

pub fn alloc() -> AxResult<Self>

Allocate one 4K-sized page.

pub fn alloc_contiguous( num_pages: usize, align_pow2: usize, data: Option<&[u8]> ) -> AxResult<Vec<Option<Self>>>

Allocate some 4K-sized pages and fill with zero.

pub fn as_ptr(&self) -> *const u8

Convert to a raw pointer.

pub fn as_mut_ptr(&mut self) -> *mut u8

Convert to a mutable raw pointer.

pub fn as_slice(&self) -> &[u8]

Forms a slice that can read data.

pub fn as_slice_mut(&mut self) -> &mut [u8]

Forms a mutable slice that can write data.

pub fn fill(&mut self, byte: u8)

Fill self with byte.

Trait Implementations

impl Debug for PhysPage

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

Formats the value using the given formatter.

impl Drop for PhysPage

fn drop(&mut self)

Executes the destructor for this type.