4 Nov
2015
4 Nov
'15
10:13 a.m.
Hi Yuxin,
The AOS project includes a serial console and file system over
Ethernet. The target platform for this project is the SabreLite:
http://www.cse.unsw.edu.au/~cs9242/current/
Project source files are available here:
https://bitbucket.org/kevinelp/unsw-advanced-operating-systems
Keep in mind that this project represents a simple application of IP
stack and network drivers. In your system, you may want to isolate the
DMA capable driver from the IP stack and the server/client components.
- Alex Kroh
On Tue, 2015-11-03 at 12:32 -0500, Yuxin Ren wrote:
Thank you all.
But are there any projects on top of sel4 microkernel which implement
network functionality?
I don't think I need to build the whole network stack from bare metal.
It is best for me to just refer some existing projects and run simple
network application on top of it.
Yuxin
On Mon, Nov 2, 2015 at 10:54 PM, Gernot Heiser <gernot(a)nicta.com.au> wrote:
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On 3 Nov 2015, at 14:46 , Raymond Jennings
<shentino(a)gmail.com> wrote:
So the kernel itself doesn't actually "own" any capabilities, just does
the bookkeeping and enforcement?
Caps are like keys: they authenticate access. The kernel doesn’t need them for its own
purposes. However, our integrity and confidentiality proofs show that the kernel will not
on its own access user memory, unless on behalf of a thread who demonstrates that it is
authorised by presenting an appropriate caps.
Gernot
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