This article is authored by AMD engineer Longley Zhang. In AMD SoC devices (AMD Zynq™ 7000 SoC, AMD Zynq UltraScale+™ MPSoC, AMD Versal™ Adaptive SoC), a common boot method is to load an image from external memory (QSPI Flash, eMMC, etc.) to boot directly into Linux. However, during board debugging, it is often necessary to … Read more
After familiarizing ourselves with the JTAG architecture through a series of previous articles, let’s take a complete example to understand how the TAP used for Debug access works. Assuming a debugging scenario where we need JTAG to access and modify a 3-bit wide control signal due to debugging requirements. In normal functional mode, the value … Read more
Understanding C++ Operators: Priority, Associativity, and Special Operators 1. Overview Operators in C++ are special symbols used to perform specific operations. Understanding the priority and associativity of operators is crucial for writing correct and efficient code. This article will detail various operators in C++, including their priority, associativity, and some special operators. 2. Operator Priority … Read more