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2fc551508d
Linux kernel CF9 reboot is doing things like: - read value from 0xcf9 - mask out the value according to the reboot type (warm vs cold) - BIT OR the value with reboot code - write the value to 0xcf9 If there are two reboot event and the first one is cold reboot and the second one is warm reboot, vsbl query reboot type after the second one and will get code reboot instead of warm reboot. We should clear the data of 0xcf9 if guest request cold reboot. Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
ACRN Device Model
#################
Introduction
============
The ACRN Device Model provides **device sharing** capabilities between the Service OS and Guest OSs. It is a component that is used in conjunction with the `ACRN Hypervisor`_ and this is installed within the Service OS. You can find out more about Project ACRN on the `Project ACRN documentation`_ website.
Building the Device Model
=========================
Build dependencies
******************
* For Clear Linux
.. code-block:: console
sudo swupd bundle-add os-clr-on-clr \
os-utils-gui-dev
* For CentOS
.. code-block:: console
sudo yum install gcc \
libuuid-devel \
openssl-devel \
libpciaccess-devel
* For Fedora 27
.. code-block:: console
sudo dnf install gcc \
libuuid-devel \
openssl-devel \
libpciaccess-devel
Build
*****
To build the Device Model
.. code-block:: console
make
To clean the build artefacts
.. code-block:: console
make clean
Runtime dependencies
********************
* On CentOS
.. code-block:: console
sudo yum install openssl-libs \
zlib \
libpciaccess \
libuuid
* On Fedora 27
.. code-block:: console
sudo dnf install openssl-libs \
zlib \
libpciaccess \
libuuid
.. _`ACRN Hypervisor`: https://github.com/projectacrn/acrn-hypervisor
.. _`Project ACRN documentation`: https://projectacrn.github.io/