ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,861, issued on Nov. 4, was assigned to Arm Ltd. (Cambridge, Great Britain).
"Two-stage address translation" was invented by Richard Roy Grisenthwaite (Cambridge, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Memory management circuitry (28) supports two-stage address translation based on a stage-1 and stage-2 translation table structures. Stage-2 access permission information specified by a stage-2 translation table entry has an encoding specifying whether a corresponding memory region has a partially-read-only permission indicating that write requests to the memory region corresponding to the target intermediate address, issued when p...