The ARM Cortex-A72 is a high-performance 64-bit processor core based on the ARMv8-A architecture. Since its launch in 2015, it has been widely used in high-end mobile devices, embedded systems, automotive electronics, and consumer electronics. 1. Architecture and Performance Features The Cortex-A72 adopts the ARMv8-A architecture, supporting 64-bit data processing, and introduces extended virtual address … Read more
The Cortex-A55 processor is a mid-range low-power processor that utilizes the Armv8-A architecture. The diagram below illustrates the functional structure of this processor.Functional OverviewThe system registers of this CPU primarily provide the following functions: System control and configuration Memory Management Unit (MMU) configuration and management Cache configuration and management System performance monitoring Generic Interrupt Controller … Read more
This article provides a line-by-line explanation of the Armv8-A assembly code sourced from Arm® Development Studio. It focuses on the boot sequence of the AArch64 MPCore processor. This code initializes the system from Exception Level 3 (EL3, typically the Secure Monitor mode) and transitions to Exception Level 1 (EL1, typically the OS mode), during which … Read more