Click ▲ to follow “CU Technology Community” and pin it to the top of your public account More exciting content delivered at the first time Author: dog250 Link:https://blog.csdn.net/dog250/article/details/96362789 First, let’s see if it’s true, then ask why. I know someone will say this, but that would make it an argumentative essay, and I just want … Read more
Author: aurelianliu Refer to scheduling, memory, files, networks, etc., encountered during work. 1. OS Running States X86 architecture, user mode runs in ring3, kernel mode runs in ring0, two privilege levels. (1) The kernel and some privileged instructions, such as filling page tables, switching process environments, etc., generally operate in ring0. Kernel mode includes the … Read more
Source: Liu Bibo, Cheng Changchun / Dongfeng Motor Technology Center & Qoros Auto Research Institute As domestic and foreign OEMs gradually reach a consensus on smart vehicles, endowing cars with new missions, the application scenarios for vehicles have become increasingly rich, leading to more direct interactions between users and vehicles. The increase in usage scenarios … Read more
As we all know, embedded engineers are currently a popular position. However, finding a high-paying job in the embedded field is not so easy, especially since some companies’ interview questions are often bizarre. To address this issue, Huqing Yuanjian has compiled some specialized test questions related to embedded C/C++, hoping to help everyone. A friendly … Read more
Recently, I was working on a project that required knowledge of CMake. Previously, I was involved in BSP driver development, where CMake was not used at all. The only intersection with CMake was during the porting of the gateway project, which involved only minor modifications. It wasn’t until I started developing a project with CMake … Read more
1. What is CMake? According to Baidu, CMake is a cross-platform installation (compilation) tool that can describe the installation (compilation process) of all platforms with simple statements. It can output various makefiles or project files. In simple terms, it is a tool that generates corresponding compilation scripts based on different platforms. 2. How to use … Read more
CentOS provides the Devtoolset toolchain, which allows for the easy installation and activation of newer GCC versions. 1. Install the SCL (Software Collections) repository Execute the following command to enable SCL: yum install centos-release-scl -y 2. Install the Devtoolset. If an error occurs, you can first replace the Aliyun source. Taking the installation of GCC … Read more
GCC programming refers to programming languages based on the GCC compiler. You can design programs in any language that GCC supports. As can be seen from the image above, GCC programming involves the integration of three major languages under the LINUX system: C, C++, and assembly (ASM). The C language involves differences between the standard … Read more
(Click the public account above to follow quickly) Source: Solidot www.solidot.org/story?sid=54012 If you have good articles to submit, please click → here for details At the Linux Plumbers Conference, Google’s kernel developers Greg Kroah-Hartman and Nick Desaulniers presented the progress of building the kernel with Clang. Desaulniers stated that today’s Android user space is built … Read more
START Hi, everyone! I am Mu Rong. Today, I will introduce you to GCC. First, let me clarify: the uppercase GCC and lowercase gcc are not the same thing. Let’s take it slow… 1. What is GCC? The GNU Compiler Collection (GCC) is a compiler toolchain developed by the GNU project that supports various programming … Read more