Hello Robert,
On 04/11/2011 07:35 PM, Robert Holvast wrote:
Dear all
I got as far as building fiascoOC on x86-64 L4Re build successful Can create the iso to boot ok Genode fiascoOC build successful (note in foc.conf generated by create_bulddir to many spaces, blocked correctly including the L4_DIR includes aka in my case: Org: L4_DIR = /Projects/FiascoOC/src/l4/build Changed to:L4_DIR=/Projects/FiascoOC/src/l4/build)
Well, both 'L4_DIR' lines should work correctly. This file gets included in a makefile not a shell-script, so leading spaces before the value-assignment should be dropped. (In fact my 'etc/foc.conf' file uses spaces around the equal sign too). I'm not sure why this could lead to problems in your situation. Do you have a special 'make' implementation?
Newbie questions How to create boot cd genode
Creation of a boot-cd somehow depends on the scenario you like to start and which bootloader to use. Nevertheless, there exists a newly convenient way in Genode's build-system to create an iso image and start it automatically via qemu. Therefore, one has to declare a run-script (Tcl script), that contains information about, what binaries have to be compiled, configuration for the init-process, and what additional files are needed within the final iso-image.
When having such a run-script (like demo.run), one can build all needed binaries, create an iso-image and boot it by simply typing, e.g.:
make run/demo
An example script, that builds and runs Genode's first demo can be found at 'os/run/demo.run'. More information on the run-tool you can find in our last release notes (section: Tools):
http://genode.org/documentation/release-notes/11.02#section-30
How to create a qemu image that can boot on virtual qemu disk volume aka partition filetype ext2 fat15 fat32 ?
That is a little bit more complicated, as you have to install the bootloader within the image by hand. Moreover, I cannot see any advantage in contrast to the iso-image solution, as long as you use qemu anyway. Note, that in both cases all binaries are first loaded by the bootloader into memory and after that used by Genode.
If you don't want the bootloader to load all files at the beginning, but load them dynamically at runtime, of course you need an additional service in Genode for that. With respect to providing CD contents, there exists already a server (at 'os/src/server/iso9660') for that. If you need to read/write files dynamically from a block-device for some reason, you need to build a similar component in the first place.
I want to port ClickRouter to Genode framework Which option would be the best if not wanting to use L4Linux What i mean is the polling mechanism of clickrouter as i use some of my own modules in clickrouter
Well, I don't know much about the ClickRouter. As far as I understand after quickly reading its README, it's kind of an interpreter, whereby the given scripts state how network-packet streams are analyzed or modified, right?
Without knowing much about ClickRouter, I can only say that Genode provides to you a protocol (nic-session), which allows you to directly receive and send packets from the network-card, that it contains some NIC-drivers for widely used NICs (ne2000, e1000, pcnet32...), and the lightweight IP stack (LwIP), that can be used as a library. Moreover, we provide a so called nic-bridge, that multiplexes an available NIC by implementing the concept of a Proxy-ARP.
From my point of view, you should first figure out, on which components
ClickRouter necessarily depends on. I mean only its core, and not some GUI or additional modules. After that, you can better estimate whether its feasibly to port ClickRouter natively to Genode at this point. For instance, if you figure out that ClickRouter internally uses the Perl interpreter for parsing its language, or something like that, this would mean you would have to port the Perl interpreter beforehand.
When you figure out, that there are no insuperable barriers to run ClickRouter on Genode directly, we should discuss what has to be done first to port it.
With best regards Stefan
Regards Robert
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