Struct PagingHandlerImpl

pub struct PagingHandlerImpl;

Available on crate feature paging only.

Implementation of [PagingHandler], to provide physical memory manipulation to the [page_table_multiarch] crate.

Trait Implementations

impl PagingHandler for PagingHandlerImpl

fn alloc_frames(num: usize, align: usize) -> Option<PhysAddr>

Allocate num contiguous physical frames, with the starting physical address aligned to align bytes (must be a power of two, and must be a multiple of 4K).

fn dealloc_frames(paddr: PhysAddr, num: usize)

Free num contiguous physical frames starting from the given physical address. The num must be the same as that used in allocation.

fn phys_to_virt(paddr: PhysAddr) -> VirtAddr

Returns a virtual address that maps to the given physical address.

fn alloc_frame() -> Option<PhysAddr>

Request to allocate a 4K-sized physical frame.

fn dealloc_frame(paddr: PhysAddr)

Request to free a allocated physical frame.