[LinuxBIOS] FILO with the USB
bari at onelabs.com
Mon Nov 19 00:47:45 CET 2007
Al Boldi wrote:
> bari wrote:
>> Who is or will be designing anything with only 2Mb (256KB) of Flash?
>> It's difficult to even find Flash under 4Mb (512KB) in high volume.
> Even with 512kb you run a pretty tight ship. And that's most boards today.
> The idea here is to keep the LB-footprint as tiny as possible, and not to
> bloat unnecessarily. Just think about it for a second: A multi-tasking,
> multi-threaded kernel just to kexec. Wow, talk about bloat.
> But, there is another way: Have LB read the payload in raw from USB.
Eric got some pretty good results in stripping the Tiny1 Linux kernel
down a few years ago. 220K compressed and 371K uncompressed.
Removing all the error messages from the kernel removed about 300k from
Some recent projects that may be of interest:
Kernel Size Tuning Guide:
Open Test Lab of the CE Linux Forum - results of testing the size of the
Linux kernel using different values for configuration options:
~3Mb (375KB) is about the smallest I've seen with recent kernels
I haven't even seen any ucLinux kernels striped down to this small a
Embedded Linux Wiki:
More information about the coreboot