• translation table APTable permission problem
    Hello, I am trying to make pmd level of the translation table as read only so that any writes in the pte entries should cause a permission fault. Current steps which i am doing are: 1) inside...
  • XN bit in translation descriptor
    Hi all, I am studying ARMv8_VSMA. I have a question about the XN bit in the table descriptor. In the manual, there is an explanation about this as below. Execute-never controls determine whether instructions...
  • Please let me know about different between "block entry" and "table entry" in VMSAv8-64 Translation table
    Hi, experts: What is the relationship between block and table descriptor? And, Why block descriptor is required? As i known, The non-ARM architecture do not have block entry for table translation walk...
  • Ignored bits in ARMv7a LPAE / ARMv8 Table descriptors
    Hi ! Let's first consider ARMv8 aarch64 VMSA and stage 1 Table descriptors. I can read in the ARM ARM in 'Next-level attributes in stage 1 VMSAv8-64 Table descriptors' that bits [58:52] are Ignored...