[coreboot] Tinyscheme ported to coreboot/libpayload

Stefan Reinauer stepan at coresystems.de
Sun Jan 31 15:12:27 CET 2010

Dear Silvain,

On 1/31/10 1:34 PM, Sylvain Ageneau wrote:
> Hello,
> I'd like to announce that tinyscheme
> <http://tinyscheme.sourceforge.net/home.html> can now run as a
> coreboot payload.
> TinyScheme is a lightweight Scheme interpreter that implements as
> large a subset of R5RS as was possible without getting very large and
> complicated. It is meant to be used as an embedded scripting
> interpreter for other programs. As such, it does not offer IDEs or
> extensive toolkits although it does sport a small top-level loop,
> included conditionally. A lot of functionality in TinyScheme is
> included conditionally, to allow developers freedom in balancing
> features and footprint. Programmatically, foreign functions in C can
> be added and values can be defined in the Scheme environment.
Thank you very much for your efforts.
> The port was quite straightforward, most of the needed fonctionality
> needed was already in libpayload. It was probably possible to adapt
> tinyscheme to run on an unmodified libpayload but it didn't seem
> difficult to take the needed C functions from dietlibc (mostly stdio /
> math stuff) so I went that way instead (just needed to make some stubs
> for some low level functions like read/write). I don't know what your
> policy is with respect to integrating code from another GPL project
> but it looks like quite a bit of dietlibc could be easily integrated
> into libpayload. Some stuff uses syscalls and the like but other code
> doesn't require any fancy OS functionality.
Please note that libpayload is _not_ released under the GPL, but under
the BSD license (just like tinyscheme, btw), so it can not share code
with GPL projects.

Please also check
especially the section on signing off patches. :-)

Best regards,


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