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

[Zaolin]

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.
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