Re: [seL4] [sel4] Porting seL4 to RISC-V - Status Report 1

Hi Gerwin, On Mon, May 25, 2015 at 12:09 AM, Gerwin Klein wrote:

Cool, will be nice to follow your progress there.

Minor nitpick: "seL4 is a new open-source L4 microkernel developed by General Dynamics C4 Systems and NICTA”: seL4 was exclusively developed by NICTA, and is now owned by GD.

Thanks for the nitpick, I've modified the blog entry.

The RISC-V architecture is a potential candidate for later verification. Would you be interested in trying to keep your C port in the subset of the C language our verification tools can handle? It may be more work for your project, but it will give you the real seL4 experience ;-)

If yes, I can give you some tools and instructions on how to use them for checking the subset. There’s a lightweight syntax-only checker, and there’s a longer-running check that actually reads the code into the theorem prover.

That will be great. Actually I was thinking of formally verifying the port, but since I don't have experience with formal verification in general, I wouldn't know how much time/effort would this take, given that I heard you did the verification in 20 years and more than 100K of code :)

Cheers, Gerwin

...

On 25.05.2015, at 06:10, Hesham ALMatary wrote:

Hi all,

As a warm up, I've written a blog entry [1] of the project giving some introductory details for both RISC-V and seL4 microkernel and what has been done so far. Open to questions/suggestions.

[1] http://heshamelmatary.blogspot.co.uk/2015/05/porting-sel4-to-risc-v-status-r...

Thanks, -- Hesham

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-- Hesham