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Philipp Oppermann
2020-01-28 16:03:41 +01:00
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blog/content/second-edition/posts/05-cpu-exceptions/index.md
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@@ -4,6 +4,8 @@ weight = 5
path = "cpu-exceptions"
date = 2018-06-17
[extra]
chapter = "Interrupts"
+++
CPU exceptions occur in various erroneous situations, for example when accessing an invalid memory address or when dividing by zero. To react to them we have to set up an _interrupt descriptor table_ that provides handler functions. At the end of this post, our kernel will be able to catch [breakpoint exceptions] and to resume normal execution afterwards.