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#Hypervisor

VMX exit reasons and handlers

Published at January 23, 2020 · Krystian Hebel ·  14 min read

After long break, this is the third post in the hypervisor series. We will see how VMX helps with virtualization of restricted instructions and how Bareflank allows for implementation of handlers for them. At the end we will show how to write and add our own handler....

Categories: firmware




Building and running Bareflank

Published at May 15, 2019 · Krystian Hebel ·  13 min read

In this second post of a series, we will build and start our first hypervisor. It won't do much just yet, but it is good to get known with its build system....

Categories: firmware


5 terms every hypervisor developer should know

Published at April 30, 2019 · Krystian Hebel ·  11 min read

This is the first post of a series about developing bare-metal hypervisors. It introduces to Intel's VMX technology, describes interactions between a virtual machine and a hypervisor as well as gives some insight on the control structures required. This post should give some theoretical knowledge base required for the next ones, in which we will implement a basic hypervisor....

Categories: firmware