UserPtConfig

ostd::mm::vm_space

Struct UserPtConfig 

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pub struct UserPtConfig {}
Expand description

The configuration for user page tables.

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impl Clone for UserPtConfig

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fn clone(&self) -> UserPtConfig

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for UserPtConfig

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PageTableConfig for UserPtConfig

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open spec fn TOP_LEVEL_INDEX_RANGE_spec() -> Range<usize>

{ 0..256 }
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open spec fn TOP_LEVEL_CAN_UNMAP_spec() -> b : bool

{ true }
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exec fn TOP_LEVEL_INDEX_RANGE() -> Range<usize>

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exec fn TOP_LEVEL_CAN_UNMAP() -> b : bool

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uninterp fn item_into_raw_spec(item: Self::Item) -> (Paddr, PagingLevel, PageProperty)

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exec fn item_into_raw(item: Self::Item) -> (Paddr, PagingLevel, PageProperty)

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uninterp fn item_from_raw_spec( paddr: Paddr, level: PagingLevel, prop: PageProperty, ) -> Self::Item

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exec fn item_from_raw( paddr: Paddr, level: PagingLevel, prop: PageProperty, ) -> Self::Item

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type E = PageTableEntry

The type of the page table entry.
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type C = PagingConsts

The paging constants.
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type Item = MappedItem

The item that can be mapped into the virtual memory space using the page table. Read more

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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, VERUS_SPEC__A> FromSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: From<T>,

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fn obeys_from_spec() -> bool

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fn from_spec(v: T) -> VERUS_SPEC__A

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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, VERUS_SPEC__A> IntoSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: Into<T>,

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fn obeys_into_spec() -> bool

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fn into_spec(self) -> T

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

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fn obeys_into_spec() -> bool

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fn into_spec(self) -> U

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impl<C> PagingConstsTrait for C
where C: PageTableConfig,

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open spec fn BASE_PAGE_SIZE_spec() -> usize

{ C::C::BASE_PAGE_SIZE_spec() }
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exec fn BASE_PAGE_SIZE() -> usize

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open spec fn NR_LEVELS_spec() -> u8

{ C::C::NR_LEVELS_spec() }
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exec fn NR_LEVELS() -> u8

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open spec fn HIGHEST_TRANSLATION_LEVEL_spec() -> u8

{ C::C::HIGHEST_TRANSLATION_LEVEL_spec() }
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exec fn HIGHEST_TRANSLATION_LEVEL() -> u8

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open spec fn PTE_SIZE_spec() -> usize

{ C::C::PTE_SIZE_spec() }
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exec fn PTE_SIZE() -> usize

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open spec fn ADDRESS_WIDTH_spec() -> usize

{ C::C::ADDRESS_WIDTH_spec() }
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exec fn ADDRESS_WIDTH() -> usize

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open spec fn VA_SIGN_EXT_spec() -> bool

{ C::C::VA_SIGN_EXT_spec() }
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exec fn VA_SIGN_EXT() -> bool

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proof fn lemma_BASE_PAGE_SIZE_properties()

ensures
0 < Self::BASE_PAGE_SIZE_spec(),
is_pow2(Self::BASE_PAGE_SIZE_spec() as int),
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proof fn lemma_PTE_SIZE_properties()

ensures
0 < Self::PTE_SIZE_spec() <= Self::BASE_PAGE_SIZE(),
is_pow2(Self::PTE_SIZE_spec() as int),
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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, VERUS_SPEC__A> TryFromSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: TryFrom<T>,

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fn obeys_try_from_spec() -> bool

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fn try_from_spec( v: T, ) -> Result<VERUS_SPEC__A, <VERUS_SPEC__A as TryFrom<T>>::Error>

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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.
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impl<T, VERUS_SPEC__A> TryIntoSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: TryInto<T>,

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fn obeys_try_into_spec() -> bool

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fn try_into_spec(self) -> Result<T, <VERUS_SPEC__A as TryInto<T>>::Error>

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

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fn obeys_try_into_spec() -> bool

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fn try_into_spec(self) -> Result<U, <U as TryFrom<T>>::Error>