[coreboot] GRUB2 is too big as a payload in ThinkPad X201

[Iru Cai]

I finally know what happened. I forgot to rip out the fonts, themes and
languages of the payload.


On Thu, Mar 26, 2015 at 3:10 PM, Zaolin <zaolin at das-labor.org> wrote:

> Hi,
>
> simply fix this problems by increasing the cbfs size in menuconfig
> under the chipset section.
>
> Regards Zaolin
> > Dear Iru,
> >
> >
> > welcome to coreboot!
> >
> >
> > Am Donnerstag, den 26.03.2015, 09:33 +0800 schrieb Iru Cai:
> > > I tried to use GRUB2 as a payload when building coreboot for ThinkPad
> X201,
> > > but it's too big to fit into the rom. The GRUB2 coreboot image without
> > > modules is 2.8M and >800K after compressing, it's still too big.
> >
> > building GRUB directly, I get a different result.
> >
> >         $ git describe
> >         grub-2.02-beta2-372-g5974d4b
> >         $ ./autogen.sh
> >         $ ./configure --with-platform=coreboot --enable-boot-time
> --enable-cache-stats
> >         $ make
> >         $ edit Makefile
> >
> > Now adapt the rule `default_payload.elf`.
> >
> >         default_payload.elf: grub-mkstandalone grub-mkimage
> >               pkgdatadir=. ./grub-mkstandalone
> --grub-mkimage=./grub-mkimage -O i386-coreboot -o $@ --modules='ahci pata
> ehci uhci ohci usb_keyboard usbms part_msdos xfs ext2 fat at_keyboard
> part_gpt usbserial_usbdebug cbfs' --install-modules='ls linux search
> configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot
> hexdump pcidump regexp setpci lsacpi chain test serial multiboot cbmemc
> linux16 gzio echo help' --fonts= --themes= --locales= -d grub-core/
> /boot/grub/grub.cfg=$(srcdir)/coreboot.cfg
> >
> > Remove the modules you don’t need. With *my* ASRock E350M1 setup, I
> > don’t need `pata`, `usbms`, `xfs`, `fat`, `at_keyboard`, `part_gpt` and
> > `usbserial_usbdebug`. I then add `boottime` and `cacheinfo`.
> >
> >         $ make default_payload.elf
> >
> > The file is now 578K big and in CBFS the compressed size is a little
> > over 200 KB.
> >
> >         $ build/cbfstool build/coreboot.rom print
> >         […]
> >                 fallback/payload               0x5c400    payload
> >                 205851
> >         […]
> >
> > […]
> >
> >
> > Thanks,
> >
> > Paul
> >
> >
> > PS: I’d be great if you could just send plain text messages with no HTML
> > parts to mailing lists.
> > --
> > coreboot mailing list: coreboot at coreboot.org
> > http://www.coreboot.org/mailman/listinfo/coreboot
>
>
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