dimension. Use at your own risk. And keep the reset button in reach.
-Community
----------
+Community Resources
+-------------------
Project home:
- https://github.com/siemens/jailhouse.git
- git@github.com:siemens/jailhouse.git
+Frequently Asked Questions (FAQ):
+
+ - See [FAQ file](FAQ.md)
+
Mailing list:
- jailhouse-dev@googlegroups.com
- Archives
- http://news.gmane.org/gmane.linux.jailhouse
+Continuous integration:
+
+ - https://travis-ci.org/siemens/jailhouse
+
+ - Status:
+ -  on master
+ -  on next
+
+Static code analysis:
+
+ - https://scan.coverity.com/projects/4114
+
+ - Status:
+ -  on coverity_scan
+
+See the [contribution documentation](CONTRIBUTING.md) for details
+on how to write Jailhouse patches and propose them for upstream integration.
+
Requirements (preliminary)
--------------------------
- at least 2 logical CPUs
- x86-64 Linux kernel (tested against >= 3.14)
+
- VT-d IOMMU usage (DMAR) has to be disabled in the Linux kernel, e.g. via
the command line parameter:
- To exploit the faster x2APIC, interrupt remapping needs to be on in the
kernel (check for CONFIG_IRQ_REMAP)
+ARM architecture:
+
+ - Abstract:
+
+ - ARMv7 with virtualization extensions
+
+ - Appropriate boot loader support (typically U-Boot)
+ - Linux is started in HYP mode
+ - PSCI support for CPU offlining
+
+ - at least 2 logical CPUs
+
+ - Board support:
+
+ - Banana Pi (see also [below](#setup-on-banana-pi-arm-board))
+
+ - NVIDIA Jetson TK1
+
+ - ARM Versatile Express with Cortex-A15 or A7 cores
+ (includes ARM Fast Model)
+
Build & Installation
--------------------
All non-Linux cells running at that point will be destroyed, and resources
will be returned to Linux.
+
+
+Setup on Banana Pi ARM board
+----------------------------
+
+The Banana Pi is a cheap Raspberry-Pi-like ARM board with an Allwinner A20 SoC
+(dual-core Cortex-A7). It runs mainline Linux kernels and U-Boot and is
+comparably well hackable. Further information can be found on
+http://linux-sunxi.org.
+
+For Jailhouse, a U-Boot (pre-)release more recent than v2015.04-rc1 is
+required. Tested and know to work is git revision bd2a4888b1.
+
+The Linux kernel version should be at least 3.19-rcX. The configuration used
+for continuous integration builds can serve as reference, see
+`ci/kernel-config-banana-pi`. The kernel has to be booted with the following
+additional parameters, e.g. by adjusting the U-Boot environment accordingly:
+
+ mem=958M vmalloc=512M
+
+The recommended cross-toolchain is available from Linaro, see
+http://www.linaro.org/downloads.
+
+Before building Jailhouse, copy the configuration header file
+`ci/jailhouse-config-banana-pi.h` to `hypervisor/include/jailhouse/config.h`.
+Then run make:
+
+ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- \
+ KDIR=/path/to/arm-kernel/objects
+
+Binaries can be installed directly to the target root file system if it is
+mounted on the host:
+
+ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- \
+ KDIR=/path/to/arm-kernel/objects DESTDIR=/mount-point install
+
+Cell configurations and demo inmates will not be installed this way and have to
+be transferred manually as needed. Make sure you have `configs/bananapi.cell`
+and, as desired, the inmates configs (`configs/bananapi-*.cell`) and binaries
+(`inmates/demos/arm/*.bin`) available on the target.
+
+Jailhouse and inmates are started on ARM just like on x86. The only difference
+is that inmates have to be loaded at offset 0. Just leave out the `-a`
+parameter when invoking `jailhouse cell load`.
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