Struct SysMemBackend 

pub struct SysMemBackend;

I/O Backend for system memory.

Trait Implementations

impl IoBackend for SysMemBackend

type View<'a, T: ?Sized + KnownSize> = SysMem<'a, T>

View type for this I/O backend.

fn as_ptr<'a, T: ?Sized + KnownSize>(view: Self::View<'a, T>) -> *mut T

Convert a view to a raw pointer for projection.

unsafe fn project_view<'a, T: ?Sized + KnownSize, U: ?Sized + KnownSize>( _view: Self::View<'a, T>, ptr: *mut U, ) -> Self::View<'a, U>

Project view to its subregion indicated by ptr.

impl IoCapable<u8> for SysMemBackend

fn io_read(view: SysMem<'_, u8>) -> u8

Performs an I/O read of type T at view and returns the result.

fn io_write(view: SysMem<'_, u8>, value: u8)

Performs an I/O write of value at view.

impl IoCapable<u16> for SysMemBackend

fn io_read(view: SysMem<'_, u16>) -> u16

Performs an I/O read of type T at view and returns the result.

fn io_write(view: SysMem<'_, u16>, value: u16)

Performs an I/O write of value at view.

impl IoCapable<u32> for SysMemBackend

fn io_read(view: SysMem<'_, u32>) -> u32

Performs an I/O read of type T at view and returns the result.

fn io_write(view: SysMem<'_, u32>, value: u32)

Performs an I/O write of value at view.

impl IoCapable<u64> for SysMemBackend

fn io_read(view: SysMem<'_, u64>) -> u64

Performs an I/O read of type T at view and returns the result.

fn io_write(view: SysMem<'_, u64>, value: u64)

Performs an I/O write of value at view.

impl IoCopyable for SysMemBackend

unsafe fn copy_from_io(view: Self::View<'_, [u8]>, buffer: *mut u8)

Copy contents of view to buffer.

unsafe fn copy_to_io(view: Self::View<'_, [u8]>, buffer: *const u8)

Copy contents from buffer to view.

fn copy_read<T: FromBytes>(view: Self::View<'_, T>) -> T

Copy from view and return the value.

fn copy_write<T: IntoBytes>(view: Self::View<'_, T>, value: T)

Copy value to view.