Struct devices::register_space::register::Register

pub struct Register<T: RegisterValue> {
    inner: Arc<Mutex<RegisterInner<T>>>,
}

Register is a thread safe struct. It can be safely changed from any thread.

Fields

inner: Arc<Mutex<RegisterInner<T>>>

Implementations

impl<T: RegisterValue> Register<T>

pub fn new(spec: RegisterSpec<T>, val: T) -> Self

fn lock(&self) -> MutexGuard<'_, RegisterInner<T>>

impl<T: RegisterValue> Register<T>

pub fn get_value(&self) -> T

Get current value of this register.

pub fn apply_write_masks_to_byte( &self, old_byte: u8, write_byte: u8, offset: usize ) -> u8

This function apply “write 1 to clear mask” and “guest writeable mask”. All write operations should go through this, the result of this function is the new state of correspoding byte.

pub fn set_write_cb<C: 'static + Fn(T) -> T + Send>(&self, callback: C)

Set a callback. It will be invoked when write happens.

pub fn set_value(&self, val: T)

Set value from device side. Callback won’t be invoked.

pub fn set_bits(&self, mask: T)

Set masked bits.

pub fn clear_bits(&self, mask: T)

Clear masked bits.

Trait Implementations

impl<T: Clone + RegisterValue> Clone for Register<T>

fn clone(&self) -> Register<T>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: RegisterValue> RegisterInterface for Register<T>

fn range(&self) -> RegisterRange

Range of this register.

fn read(&self, addr: u64, data: &mut [u8])

Handle read.

fn write(&self, addr: u64, data: &[u8])

Handle write.

fn reset(&self)

Reset this register to default value.