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diff --git a/public/post/architecture-of-linux-kernel/index.html b/public/post/architecture-of-linux-kernel/index.html deleted file mode 100644 index d2e7217..0000000 --- a/public/post/architecture-of-linux-kernel/index.html +++ /dev/null @@ -1,94 +0,0 @@ -<!DOCTYPE html> -<html lang="en"> - -<head> - <meta charset="utf-8"> - -<title>Architecture of Linux Kernel | garhve's gibberish</title> - - - <link rel="shortcut icon" type="image/png" href="/images/favicon.png"> - <meta name="viewport" content="width=device-width,initial-scale=1"> - - <link id="stylesheet" rel="stylesheet" type="text/css" href="/dark.css"> - - <script type="text/javascript" src="/js/theme.js"></script> - -</head> - -<div class="header"> - <div class="site_title"> - <p><a href="/"><img src="https://blog.garhve.com/images/logo.png" alt="garhve's gibberish" - width="70" height=auto></a></p> - <p><a href="/"> garhve's gibberish</a></p> - </div> - <div class="menu"> - <!-- <a href="/tags">tags</a> - --><a href="/categories">categories</a> - </div> -</div> - -<body onload="getTheme()"> - <section class="section"> - <div class="container"> - -<p> - <div class="title_postpage">Architecture of Linux Kernel</div> -</p> -<p> - <div class="date_postpage">2022-09-03</div> - <div class="taxonomies_postpage"> - - - <a href="https://blog.garhve.com/categories/cs/">/cs</a> - - - - -  <a href="https://blog.garhve.com/tags/linux/">#linux</a> - - - </div> -</p> - -<p> - <h2 id="description">Description</h2> -<p>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).</p> -<p>Modern operating systems support at least 2 levels:</p> -<ul> -<li><strong>User space</strong>: For applications to run in unprivileged user mode</li> -<li><strong>Kernel space</strong>: For the kernel (and all its components) to run in privileged mode – kernel mode</li> -</ul> -<p>Address of these 2 spaces are separate.</p> -<p>Applications in user mode will auto-linked to glibc(the GNU standard C library). Libraries only available in user mode, kernel mode doesn't have this conception. An application only can through <strong>System call</strong> to access kernel. On the other hand, system calls are the only legal entry point into the kernel space.</p> -<blockquote> -<p>Libraries APIs: man section 3 -System calls APIs: man section 2</p> -</blockquote> -<p>to be continue...</p> - -</p> - - -<script> - MathJax = { - tex: { - inlineMath: [['$', '$'], ['\\(', '\\)']] - } - }; -</script> -<script type="text/javascript" async - src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"> -</script> - - - - </div> - </section> -</body> - -<div class="footer"> -  © garhve -</div> - -</html> |