[coreboot] coreboot Digest, Vol 48, Issue 12
David Melik
dchmelik at gmail.com
Tue Feb 3 12:31:56 CET 2009
>> (Perhaps 'payload' should be in $target in the first place.)
>>
>
> Config.lb is used to build several Makefiles and they are in
> further subdirectories of target/vendor/board/dir/
>
> It is easy and reliable to use an absolute path to the payload.
>
Apparently that (in targets/tyan/s4882/Config.lb) is unreliable: I tried
payload 'grub2' and './grub2' (see below) and if it is this hard for me
(with 14 years programming experience on mostly Linux) because it is
undocumented, I would call it easy for few people. Of course it seems
like there is also much great work on the project....
--David
PS. I tried the following Config.lb payload paths with 'payload ./grub2'
and 'payload grub2' (and left out 'fallback' one time for each.)
# Sample config file for
# the Tyan s4882
# This will make a target directory of ./s4882
target s4882
mainboard tyan/s4882
# Tyan s4882
romimage "normal"
# 48K for SCSI FW or ATI ROM
option ROM_SIZE = 512*1024-48*1024
# 48K for SCSI FW and 48K for ATI ROM
# option ROM_SIZE = 512*1024-48*1024-48*1024
# 64K for Etherboot
# option ROM_SIZE = 512*1024-64*1024
option USE_FALLBACK_IMAGE=0
# option ROM_IMAGE_SIZE=0x19000
# option ROM_IMAGE_SIZE=0x19c00
# option ROM_IMAGE_SIZE=0x18800
# option ROM_IMAGE_SIZE=0x16200
option ROM_IMAGE_SIZE=0x20000
option XIP_ROM_SIZE=0x20000
option COREBOOT_EXTRA_VERSION="$(shell cat ../../VERSION)_Normal"
payload grub2
# payload ../../../payloads/tg3--ide_disk.zelf
# payload ../../../payloads/filo.elf
# payload ../../../payloads/filo_mem.elf
# payload ../../../payloads/filo.zelf
# payload ../../../payloads/tg3.zelf
# payload ../../../payloads/tg3_vga.zelf
# payload ../../../payloads/filo_vga_memtest.zelf
# payload ../../../../payloads/tg3--filo_hda2_vga.zelf
# payload ../../../payloads/tg3--filo_hda2.zelf
# payload ../../../payloads/e1000--filo.zelf
# payload ../../../payloads/tg3--e1000--filo.zelf
# payload ../../../payloads/tg3--eepro100--e1000--filo_hda2.zelf
end
romimage "fallback"
option USE_FALLBACK_IMAGE=1
# option ROM_IMAGE_SIZE=0x19000
# option ROM_IMAGE_SIZE=0x19c00
# option ROM_IMAGE_SIZE=0x18800
# option ROM_IMAGE_SIZE=0x16200
option ROM_IMAGE_SIZE=0x20000
option XIP_ROM_SIZE=0x20000
option COREBOOT_EXTRA_VERSION="$(shell cat ../../VERSION)_Fallback"
payload fallback/grub2
# payload ../../../payloads/tg3--ide_disk.zelf
# payload ../../../payloads/filo.elf
# payload ../../../payloads/filo_mem.elf
# payload ../../../payloads/filo.zelf
# payload ../../../payloads/tg3.zelf
# payload ../../../payloads/tg3_vga.zelf
# payload ../../../payloads/filo_vga_kernel.zelf
# payload ../../../../payloads/tg3--filo_hda2_vga.zelf
# payload ../../../payloads/tg3--filo_hda2.zelf
# payload ../../../payloads/e1000--filo.zelf
# payload ../../../payloads/tg3--e1000--filo.zelf
# payload ../../../payloads/tg3--eepro100--e1000--filo_hda2.zelf
end
buildrom ./coreboot.rom ROM_SIZE "normal" "fallback"
----------------------------------------------------------------
Myles asked:
~/coreboot-v2-3923/targets/tyan/s4882/s4882# ls -l grub2.elf
-rw-r--r-- 1 root root 18973 2009-02-02 14:15 grub2.elf
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