Struct BootAllocator 

pub struct BootAllocator {
    regions: [BootRegion; 512],
    len: usize,
    accessible_limit: u64,
}

Fields

regions: [BootRegion; 512]

len: usize

accessible_limit: u64

Implementations

impl BootAllocator

pub const fn new() -> Self

pub fn init(&mut self, regions: &[MemoryRegion])

pub fn alloc(&mut self, size: usize, align: usize) -> PhysAddr

pub fn try_alloc(&mut self, size: usize, align: usize) -> Option<PhysAddr>

pub fn try_alloc_accessible( &mut self, size: usize, align: usize, ) -> Option<PhysAddr>

pub fn snapshot_free_regions(&self, out: &mut [MemoryRegion]) -> usize

fn reset(&mut self)

fn push_region(&mut self, region: BootRegion)

fn exclude_range(&mut self, exclude_start: u64, exclude_end: u64)

fn consume_region(&mut self, idx: usize, alloc_start: u64, alloc_end: u64)

fn insert_region(&mut self, idx: usize, region: BootRegion)

fn remove_region(&mut self, idx: usize)

fn normalize_regions(&mut self)

fn rebuild_accessible_limit(&mut self)

Recompute the highest currently reachable physical byte for HHDM-backed boot allocations.

fn accessible_prefix_end(&self, region: BootRegion) -> u64

Return the end of the longest mapped prefix of region visible through the current HHDM.

pub fn stats(&self) -> BootAllocStats