From 924132dc97988d9c5ae37cb05fa7e2eb35e28276 Mon Sep 17 00:00:00 2001 From: garhve Date: Fri, 2 Dec 2022 19:45:31 +0800 Subject: transfer blogs 1 --- index.xml | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'index.xml') diff --git a/index.xml b/index.xml index d53bad7..0cce4a8 100644 --- a/index.xml +++ b/index.xml @@ -6,7 +6,18 @@ Recent content on blog | garhve's hub Hugo -- gohugo.io en-us - Thu, 25 Aug 2022 13:40:56 +0800 + Sat, 03 Sep 2022 14:33:37 +0800 + + Architecture of Linux Kernel + https://blog.garhve.com/posts/4/ + Sat, 03 Sep 2022 14:33:37 +0800 + + https://blog.garhve.com/posts/4/ + Description Modern microcontrollers nowadays support at least two privilege levels. Intel/AMD x86-64 family supports 4 levels, whilst ARM (32bit) microcontrollers support up to 7 levels (6 privileged, 1 non-privileged). +Modern operating systems support at least 2 levels: +User space: For applications to run in unprivileged user mode Kernel space: For the kernel (and all its components) to run in privileged mode – kernel mode Address of these 2 spaces are separate. + + Mess with bash(1) https://blog.garhve.com/posts/3/ -- cgit v1.2.3-70-g09d2