“The ARM Cortex series is at the core of embedded processors, categorized into three main types: A, R, and M. The A series focuses on high performance, suitable for complex systems; the R series excels in real-time reliability, serving safety-critical scenarios; and the M series emphasizes low power consumption, empowering IoT devices. .“ 01 — … Read more
In 1983, Acorn Computers was at its peak. Unfortunately, troubles were also on the horizon. This small British company became famous for winning a contract with the BBC to produce computers for a national television program. The sales of its BBC Micro computers skyrocketed, with expectations to surpass 1.2 million units. BBC Micro magazine advertisement. … Read more
For ARM, MCU, DSP, FPGA, and SoC, everyone is likely familiar, but are you sure you really understand them? Do you know the connections and differences between these five? Don’t worry, let’s explore it right away! ARM The ARM processor is the first RISC microprocessor designed by Acorn Computers Ltd. for the low-budget market, originally … Read more
1. Introduction In CTF competitions, most of the challenges we encounter are based on x86 and x86_64 architectures. However, after I started researching the IoT field, I found that smart devices primarily use ARM and MIPS architectures. This article aims to introduce readers to the world of ARM PWN through CTF challenges based on the … Read more
“The application scenarios of artificial intelligence have permeated various industries and will further reshape the cloud ecosystem. At the same time, we are entering a new era of Agent AI—systems that can operate autonomously on-site and achieve real-time responses. This industry is continuously expanding the application boundaries of artificial intelligence computing, while also raising higher … Read more
For nearly fifty years, Intel’sx86 architecture has dominated the computing field, providing core computing power for various devices ranging from entry-level laptops to top-tier data center servers. However, a quiet revolution has been brewing behind the scenes: the Arm architecture, which originated in the smartphone era—specifically, the ARM7 TDMI that powered the Nokia 6110 in … Read more
💻 ARM Lightweight Virtual Machine Experiment Journal In the past, we often thought that ARM SoCs were only suitable for running lightweight containers like Docker and LXC, and that true virtualization required x86 servers. However, with the performance improvements of SoCs like RK3568, ARM development boards can now handle running KVM virtual machines. This time, … Read more
“In embedded development, target devices often cannot compile locally due to limited resources. Cross-compilation becomes a key technology—using a powerful host platform and a dedicated toolchain to generate executable code for the target platform. This article elaborates on its concepts and general processes, detailing cross-compilation implementation with examples from the three major architectures: ARM, MIPS, … Read more
Chongqing Lanshan Automotive Electronics Co., Ltd. (hereinafter referred to as “Lanshan Electronics”), a supplier of automotive-grade MCUs and power chips, recently announced that it has signed a multi-year Arm® Total Access technology licensing subscription agreement with Arm Technology (China) Co., Ltd. (hereinafter referred to as “Arm Technology”). This collaboration will further deepen the cooperation between … Read more
Introduction: Some fans have asked me what ARM is, and they are confused about the relationships between concepts like Cortex, ARM cores, ARM architecture, ARM instruction set, and SoC. Below, I will organize some concepts related to ARM for everyone. 1. ARM can be considered as the name of a company, a general term for … Read more