Available on x86 or x86-64 only.
Expand description

Support for virtual memory paging.


  • CR2: Contains the address that triggered a page fault.
  • CR3: System control register that contains the top-level page table address and two associated caching flags.
  • Bottom-level page table entry that maps a single 4KB page.
  • Second-level page table (page directory) entry that either points to a bottom-level page table or directly maps a 2MB/4MB page.