Thanks Jeff!
On Wed, 4 Dec 2019 at 14:53, Jeff Kubascik <jeff.kubas...@dornerworks.com> wrote: > > Add a README for the new xen bsp. > --- > user/bsps/arm/xen.rst | 79 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 79 insertions(+) > create mode 100644 user/bsps/arm/xen.rst > > diff --git a/user/bsps/arm/xen.rst b/user/bsps/arm/xen.rst > new file mode 100644 > index 0000000..e499f5d > --- /dev/null > +++ b/user/bsps/arm/xen.rst > @@ -0,0 +1,79 @@ > +.. SPDX-License-Identifier: CC-BY-SA-4.0 > + > +.. Copyright (C) 2019 DornerWorks > +.. Copyright (C) 2019 Jeff Kubascik <jeff.kubas...@dornerworks.com> > + > +xen (Xen on ARM) > +================ > + > +This BSP enables RTEMS to run as a guest virtual machine in AArch32 mode on > the > +Xen hypervisor for ARMv8 platforms. > + > +Drivers: > + > +* Clock: ARMv7-AR Generic Timer > + > +* Console: Virtual PL011 device > + > +* Interrupt: GICv2 > + > +BSP variants: > + > +* xen_virtual: completely virtualized guest with no dependence on underlying > + hardware > + > +The xen_virtual BSP variant relies on standard Xen features, so it should be > +able to run on any ARMv8 platform. > + > +Xen allows for the passthrough of hardware peripherals to guest virtual > +machines. BSPs could be added in the future targeting specific hardware > +platforms and include the appropriate drivers. > + Does RTEMS itself get rescheduled by Xen/Dom0? If yes, how might that affect the realtime requirements? > +This BSP was tested with Xen running on the Xilinx Zynq UltraScale+ MPSoC > using > +the Virtuosity distribution maintained by DornerWorks. > + > +Execution > +--------- > + > +This procedure describes how to run the ticker sample application that should > +already be built with the BSP. > + > +The ``ticker.exe`` file can be found in the BSP build tree at: > + > +.. code-block:: none > + > + arm-rtems5/c/xen_virtual/testsuites/samples/ticker.exe > + > +The ``ticker.exe`` elf file must be translated to a binary format. > + > +.. code-block:: none > + > + arm-rtems5-objcopy -O binary ticker.exe ticker.bin > + > +Then place the ``ticker.bin`` file on the dom0 filesystem. > + > +From the dom0 console, create a configuration file ``ticker.cfg`` with the > +following contents. > + > +..code-block:: none > + > + name = "ticker" > + kernel = "ticker.bin" > + memory = 8 > + vcpus = 1 > + gic_version = "v2" > + vuart = "sbsa_uart" > + > +Create the virtual machine and attach to the virtual vpl011 console. > + > +..code-block:: none > + > + xl create ticker.cfg && xl console -t vuart ticker > + > +To return back to the dom0 console, press both ``Ctrl`` and ``]`` on your > +keyboard. > + > +Additional Information > +---------------------- > + > +* `Virtuosity distribution <https://dornerworks.com/xen/virtuosity>`_ > -- > 2.17.1 > > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel