ehmry/genode
ehmry
/
genode
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

doc: minor fixes for the release notes 16.02

This commit is contained in:
Christian Prochaska 2016-02-26 12:46:42 +01:00 committed by Christian Helmuth
parent 37459d833b
commit b4c49a4bf0
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
doc/release_notes-16-02.txt
View File

@ -8,7 +8,7 @@
With version 16.02, we add RISC-V to the Genode's supported CPU architectures, With version 16.02, we add RISC-V to Genode's supported CPU architectures,
enable the secure pass-through of individual USB devices to virtual machines, enable the secure pass-through of individual USB devices to virtual machines,
and update the support for the Muen and seL4 kernels. and update the support for the Muen and seL4 kernels.
@ -97,9 +97,9 @@ implement inheritance. This object model is used throughout QEMU. We took the
easy way out and just used a C++ wrapper class that contains all QEMU objects easy way out and just used a C++ wrapper class that contains all QEMU objects
that are used in the USB subsystem. that are used in the USB subsystem.
The next step was to develop an USB host device model. This model connects a The next step was to develop a USB host device model. This model connects a
USB device attached to Genode's USB host-controller driver to the xHCI device USB device attached to Genode's USB host-controller driver to the xHCI device
model. Lucky for us, QEMU already contains an USB host device model that uses model. Lucky for us, QEMU already contains a USB host device model that uses
libusb, which we could use as blueprint. We implemented a USB host device that libusb, which we could use as blueprint. We implemented a USB host device that
leverages Genode's custom USB session interface. This host device reacts to a leverages Genode's custom USB session interface. This host device reacts to a
USB device report coming from another component such as the host-controller USB device report coming from another component such as the host-controller
@ -107,7 +107,7 @@ driver. It tries to claim all devices it finds in that report and then creates
a QEMU USB device for each of them that is attached to the xHCI device model. a QEMU USB device for each of them that is attached to the xHCI device model.
The xHCI device model needs infrastructure that normally is provided by QEMU The xHCI device model needs infrastructure that normally is provided by QEMU
itself such as a timer queue and PCI device handling. We introduced an QEMU itself such as a timer queue and PCI device handling. We introduced a QEMU
USB controller interface _repos/libports/include/qemu/usb.h_ whose back-end USB controller interface _repos/libports/include/qemu/usb.h_ whose back-end
library interface has to be implemented by a component, i.e. the VMM, that library interface has to be implemented by a component, i.e. the VMM, that
wants to use the library. wants to use the library.
@ -475,7 +475,7 @@ Execution on bare hardware (base-hw)
Within the last months, the initialization code of our custom kernel got Within the last months, the initialization code of our custom kernel got
re-arranged to simplify the addition of new architectures, e.g., the RISC-V re-arranged to simplify the addition of new architectures, e.g., the RISC-V
port (Section [New support for the RISC-V CPU architecture]) while also make port (Section [New support for the RISC-V CPU architecture]) while also making
its implementation leaner. A positive side effect of this work was the its implementation leaner. A positive side effect of this work was the
generalization of multi-processor and L2-cache support for ARM's Cortex-A9 generalization of multi-processor and L2-cache support for ARM's Cortex-A9
CPUs. For instance, the Wandboard (Freescale i.MX6 SoC) is now driven with all CPUs. For instance, the Wandboard (Freescale i.MX6 SoC) is now driven with all