asynchronous exceptions

Detailed Explanation of x86 Assembly Language Instruction Encoding

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Detailed Explanation of x86 Assembly Language Instruction Encoding

Basics of Instruction Encoding The process of translating assembly language instructions into machine language is called instruction encoding, while the process of converting machine instructions back to assembly language is called instruction decoding. The Intel x86 architecture employs a CISC (Complex Instruction Set Computer) design, making its instruction encoding system relatively complex yet flexible. x86 … Read more

Introduction to C++: New Syntax for Type Conversion – Template Conversion Functions

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New Syntax for Type Conversion in C++ – Template Conversion Functions C++ supports the C language’s syntax for forced type conversion and has introduced a new method that allows for better control over the conversion process. Upcasting: Converting a subclass to a superclass, where the subclass space is given to a superclass pointer (safe). Downcasting: … Read more

Understanding Python Exceptions

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Understanding Python Exceptions

Introduction In any programming language, encountering exceptions (errors) is inevitable. Knowing how to view errors, understand them, avoid them, and capture error information are all aspects we need to address. 1. Definition of Exceptions An exception occurs when the <span>Python</span> interpreter detects an error and can no longer continue execution. At this point, some error … Read more

Embedded Reading Notes: The Definitive Guide to Cortex-M3 (Part II)

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Embedded Reading Notes: The Definitive Guide to Cortex-M3 (Part II)

Reading Notes: The Definitive Guide to Cortex-M3 Note: The content of this article is excerpted from the “Definitive Guide to Cortex-M3”. The Cortex-M series is essential in embedded development, and this series will record the key points of knowledge focused on while reading the book. It is recommended to read the original book. Chapter 7: … Read more

A Comprehensive Guide to Built-in Exceptions in Python

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A Comprehensive Guide to Built-in Exceptions in Python

1. Overview of Exceptions 1.1 Definition and Purpose of Exceptions An exception is an abnormal condition that occurs during the execution of a program, interrupting the normal flow of execution. Python uses exceptions to handle errors and other exceptional events that occur during program execution. Main Purposes of Exceptions: • Error handling: Gracefully handle runtime … Read more

Interrupts and Exceptions in Cortex-M

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Interrupts and Exceptions in Cortex-M

Definition First, let’s look at the definitions of both in the authoritative guide for Cortex-M. 1 Exception Definition According to the authoritative guide for Cortex-M, an exception refers to an event that can alter the normal program flow. When an exception occurs, the processor pauses the currently executing task and executes a dedicated program to … Read more

Asynchronous Exception Types, Routing, and Masking in Armv8/Armv9

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Asynchronous Exception Types, Routing, and Masking in Armv8/Armv9

Click the blue "Arm Selected" in the upper left corner and select "Set as Favorite" Types of Asynchronous Exceptions What asynchronous exceptions (interrupts) exist in the system? Official documentation states:<span><span>In the Armv8-A architecture, asynchronous exceptions that are taken to AArch64 state are also known as interrupts.</span></span> Anyone who says interrupts are: FIQ, IRQ is a … Read more