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El1PhysicalTimer

Struct El1PhysicalTimer 

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pub struct El1PhysicalTimer(/* private fields */);
Expand description

Represents our Physical Timer when we are running at EL1.

This works exactly like El0PhysicalTimer, but it gives you extra methods for functionality that only processors running at EL1 can access.

This type is not [Send] because it is a per-core type and should not be moved across cores on an SMP system.

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impl El1PhysicalTimer

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pub unsafe fn new() -> El1PhysicalTimer

Create an EL1 Generic Timer handle

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Only create one Physical Timer handle (at any EL) at any given time, as they access shared mutable state within the processor and do read-modify-writes on that state.

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pub fn el0_access_physical_counter(&mut self, access: bool)

Control whether user code at EL0 can access the physical counter.

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pub fn el0_access_physical_timer(&mut self, access: bool)

Control whether user code at EL0 can access the physical timer.

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impl GenericTimer for El1PhysicalTimer

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fn frequency_hz(&self) -> u32

Get the timer frequency
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fn counter(&self) -> u64

Get the current counter value. Read more
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fn counter_compare(&self) -> u64

Get the counter compare value.
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fn counter_compare_set(&mut self, value: u64)

Set the counter compare value. Read more
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fn countdown(&self) -> u32

Get the current value of the countdown timer.
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fn countdown_set(&mut self, duration_ticks: u32)

Set the value of the count-down timer. Read more
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fn enabled(&self) -> bool

This is timer enabled?
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fn enable(&self, enabled: bool)

Enable/disable this timer
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fn interrupt_masked(&self) -> bool

Is this timer’s interrupt masked?
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fn interrupt_mask(&mut self, mask: bool)

Mask (or unmask) this timer’s interrupt.
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fn interrupt_status(&self) -> bool

Has this timer’s interrupt fired?
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fn delay_ticks(&mut self, ticks: u32)

Wait for some number of clock ticks
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fn delay_ms(&mut self, ms: u32)

Delay for some number of milliseconds
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fn delay_us(&mut self, us: u32)

Delay for some number of microseconds

Auto Trait Implementations§

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impl !Send for El1PhysicalTimer

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impl !Sync for El1PhysicalTimer

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impl Freeze for El1PhysicalTimer

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impl RefUnwindSafe for El1PhysicalTimer

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impl Unpin for El1PhysicalTimer

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impl UnsafeUnpin for El1PhysicalTimer

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impl UnwindSafe for El1PhysicalTimer

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.