Struct x86_64::registers::control::Cr3 [−][src]
pub struct Cr3;
Expand description
Contains the physical address of the highest-level page table.
Implementations
Read the current P4 table address from the CR3 register along with PCID.
The correct functioning of this requires CR4.PCIDE = 1.
See Cr4Flags::PCID
Write a new P4 table address into the CR3 register.
Safety
Changing the level 4 page table is unsafe, because it’s possible to violate memory safety by changing the page mapping.
Write a new P4 table address into the CR3 register.
Safety
Changing the level 4 page table is unsafe, because it’s possible to violate memory safety by
changing the page mapping.
Cr4Flags::PCID
must be set before calling this method.