Understanding MPIDR_EL1 Register Affinity in ARMv8/ARMv9
The official documentation (<span>ARM ARM</span>) introduction is as follows: Translating the English related to <span>MPIDR_EL1</span>, it is as follows: Function: Provides an additional PE (process element) identification mechanism for scheduling in multi-processor systems. Attributes: MPIDR_EL1 is a 64-bit register. Field values: [63:40]: Reserved, RES0. [39:32]: Affinity level 3. For more information, refer to the description … Read more