PageTableFlags

ostd::specs::arch::page_table_flags

Struct PageTableFlags 

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pub struct PageTableFlags {}

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impl PageTableFlags

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pub const exec fn PRESENT() -> res : usize

Specifies whether the mapped frame or page table is loaded in memory.

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pub const exec fn WRITABLE() -> res : usize

Controls whether writes to the mapped frames are allowed.

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pub const exec fn USER() -> res : usize

Controls whether accesses from userspace (i.e. ring 3) are permitted.

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pub const exec fn WRITE_THROUGH() -> res : usize

If this bit is set, a “write-through” policy is used for the cache, else a “write-back” policy is used.

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pub const exec fn NO_CACHE() -> res : usize

Disables caching for the pointed entry if cacheable.

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pub const exec fn ACCESSED() -> res : usize

Whether this entry has been used for linear-address translation.

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pub const exec fn DIRTY() -> res : usize

Whether the memory area represented by this entry is modified.

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pub const exec fn HUGE() -> res : usize

Only in the non-starting and non-ending levels, indication of huge page.

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pub const exec fn GLOBAL() -> res : usize

Indicates that the mapping is present in all address spaces, so it isn’t flushed from the TLB on an address space switch.

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pub const exec fn NO_EXECUTE() -> res : usize

Forbid constute codes on the page. The NXE bits in EFER msr must be set.

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