Module mem

Physical memory management.

Macros

pa

Alias for PhysAddr::from_usize.

va

Alias for VirtAddr::from_usize.

Structs

MemRegionFlags

The flags of a physical memory region.

PhysAddr

A physical memory address.

PhysMemRegion

A physical memory region.

VirtAddr

A virtual memory address.

Constants

PAGE_SIZE_4K

The size of a 4K page (4096 bytes).

Functions

clear_bss^⚠

Fills the .bss section with zeros.

init

Initializes physical memory regions.

memory_regions

Returns an iterator over all physical memory regions.

mmio_ranges

Returns all device memory (MMIO) ranges on the platform.

phys_ram_ranges

Returns all physical memory (RAM) ranges on the platform.

phys_to_virt

Translates a physical address to a virtual address.

reserved_phys_ram_ranges

Returns all reserved physical memory ranges on the platform.

total_ram_size

Returns the total size of physical memory (RAM) on the platform.

virt_to_phys

Translates a virtual address to a physical address.

Type Aliases

PhysAddrRange

A range of physical addresses PhysAddr.

VirtAddrRange

A range of virtual addresses VirtAddr.