[OLPC-devel] just verified: 2306 + olpc + linux kernel works.

[Marcelo Tosatti]

On Fri, May 26, 2006 at 01:29:06AM +0200, Carl-Daniel Hailfinger wrote:
> Marcelo,
> 
> Marcelo Tosatti wrote:
> > I've uploaded a tarball with code to load a kernel from flash and boot
> > it via the kexec() system call (ripped from kexec-tools 1.98).
> > 
> > http://hera.kernel.org/~marcelo/olpc/olpc-boot-loader-idea.tar.gz
> > 
> > Inside it you can find:
> > [...]
> > The statically linked program results in 37112 bytes, and compressed
> > ext2 rootfs used as RAMDISK (olpc-boot-loader + necessary /dev files)
> > results in 19458 bytes.
> > 
> > bzImage (no PCI, no USB, no networking) is about 380k in size,
> > compressed.
> 
> For us, the uncompressed figures are a bit more menaingful because
> we plan to compress everything with lzma and thus, start with elfImage
> instead of bzImage.
> Could you also upload the uncompressed binaries so we can check
> how big the real-life savings by using lzma are?

"olpc-boot-loader" and "vmlinux" at 

http://hera.kernel.org/~marcelo/olpc/

Last time I tried lzma on vmlinux the advantage was _very_ significant (
> 20% increase in compression ratio over gzip).