[coreboot] LInux kernel in Flash
harald.gutmann at gmx.net
Wed Jun 24 18:17:24 CEST 2009
On Wednesday 24 June 2009 18:12:33 Harald Gutmann wrote:
> On Wednesday 24 June 2009 17:54:51 Peter Stuge wrote:
> > Harald Gutmann wrote:
> > > What do I need except a kernel image which has all drivers
> > > compilled in?
> > > What needs to be done to get this setup working?
> > Two ways:
> > 1. Use mkelfImage to get a payload from vmlinux
> > See http://www.coreboot.org/Mkelfimage for download info.
> > mkelfImage -t vmlinux-i386 --kernel=~/linux-version/vmlinux
> > --output=~/linux.elf
> > ~/linux.elf is your payload. Add ramdisk if you like.
> Good starting point, thanks!
> > 2. Try using vmlinux as payload directly, it might work, we don't know
> > It would be interesting to know if vmlinux+initramfs works:
> > http://www.coreboot.org/Initramfs
> > Note that you always want to use the uncompressed vmlinux to start
> > with, and enable payload LZMA compression. LZMA compresses better
> > than the in-kernel compression used for bzImage.
> Thanks, I think I would have missed that.
> One open question:
> How do I pass the kernel cmd-line? Is it possible to set that on kernel
> compile time?
CONFIG_CMDLINE_BOOL, "Built-in kernel command line" in "Processor type and
(Sometimes it would be better to do a quick research before asking. ;))
> > //Peter
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