Detailed Introduction to ARMv8/ARMv9 Page Table Attributes
1 Stage 1 Page Table Attributes (Attribute fields in stage 1 VMSAv8-64 Block and Page descriptors) PBHA, bits[62:59]: for FEAT_HPDS2 XN or UXN, bit[54]: Execute-never or Unprivileged execute-never PXN, bit[53]: Privileged execute-never Contiguous, bit[52]: The translation table entry is contiguous and can exist in a TLB Entry DBM, bit[51]: Dirty Bit Modifier GP, bit[50]: for … Read more
