MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202517081301 A) filed by Arm Limited, Cambridge, U.K., on Aug. 27, for 'determining whether to reject a memory access request issued by a requester device.'
Inventor(s) include Parker, Jason; and Elad, Yuval.
The application for the patent was published on Sept. 12, under issue no. 37/2025.
According to the abstract released by the Intellectual Property India: "Apparatus comprising PAS selection circuitry (16) and access control circuitry (23). The PAS selection circuitry is responsive to a memory access request issued by a requester device, the memory access request specifying a memory address identifying a memory location, to select, based on a current domain of operation of the requester device, one of a plurality of physical address spaces, PASs, to be associated with the memory access request. The access control circuitry comprises PAS checking circuitry (20) to reject the memory access request in response to address-space permissions information, defined for the identified memory location, indicating that memory access requests associated with the selected PAS are prohibited from accessing the identified memory location, and device permissions checking circuitry (92) to reject the memory access request in response to device permissions information, defined for the requester device, indicating that memory access requests issued by the requester device are prohibited from accessing the selected PAS."
The patent application was internationally filed on Jan. 11, 2024, under International application No.PCT/GB2024/050056.
Disclaimer: Curated by HT Syndication.
