Hello Last weekend I successfully booted seabios from grub2 with native video support. This had been previously reported on www.coreboot.org/pipermail/coreboot/2014-February/077306.html
If you want to do the same: - get the latest seabios, no need for a specific branch anymore (I'm using 3aa31d7d6375303fc88438021aad485f50bb1e39) git clone git://git.seabios.org/seabios.git seabios - configure it with the attached configuration file, or at least enable CONFIG_COREBOOT and CONFIG_VGA_COREBOOT as per the original instructions ( http://www.coreboot.org/pipermail/coreboot/2014-February/077245.html) - add seabios.elf and its vga rom to the CBFS payload (supposing you cloned seabios into ../payloads) with: cbfstool coreboot.rom add -f ../payloads/seabios/out/bios.bin.elf -n elf/seabios.elf -t raw && cbfstool coreboot.rom add -f ../payloads/seabios/out/vgabios.bin -n vgaroms/vgabios.bin -t raw The add -t raw seems to be important. I had boot problems that required a reflash after using add-payload and a few other experimental settings. Since I was investigating other issues, I did not try to explore that and return to a working setup instead. - add to your grub.cfg menuentry '2: SeaBios' { insmod cbfs chainloader (cbfsdisk)/elf/seabios.elf } That's it! I could successfully start an old grub from the hard drive, but not its memtest86 menu entry. Likewise, bootable USB stick or a windows partition can not be started. I'm still investigating. Any help or suggestion would be appreciated!
# # Automatically generated file; DO NOT EDIT. # SeaBIOS Configuration # # # General Features # CONFIG_COREBOOT=y # CONFIG_QEMU is not set # CONFIG_CSM is not set # CONFIG_QEMU_HARDWARE is not set CONFIG_THREADS=y CONFIG_RELOCATE_INIT=y CONFIG_BOOTMENU=y # CONFIG_BOOTSPLASH is not set CONFIG_BOOTORDER=y CONFIG_COREBOOT_FLASH=y CONFIG_LZMA=y CONFIG_CBFS_LOCATION=0x0 # CONFIG_FLASH_FLOPPY is not set CONFIG_ENTRY_EXTRASTACK=y CONFIG_MALLOC_UPPERMEMORY=y CONFIG_ROM_SIZE=0 # # Hardware support # CONFIG_ATA=y CONFIG_ATA_DMA=y CONFIG_ATA_PIO32=y CONFIG_AHCI=y # CONFIG_MEGASAS is not set # CONFIG_FLOPPY is not set CONFIG_PS2PORT=y CONFIG_USB=y CONFIG_USB_UHCI=y CONFIG_USB_OHCI=y CONFIG_USB_EHCI=y # CONFIG_USB_XHCI is not set CONFIG_USB_MSC=y CONFIG_USB_UAS=y CONFIG_USB_HUB=y CONFIG_USB_KEYBOARD=y CONFIG_USB_MOUSE=y CONFIG_SERIAL=y CONFIG_LPT=y CONFIG_PMTIMER=y # # BIOS interfaces # CONFIG_DRIVES=y CONFIG_CDROM_BOOT=y CONFIG_CDROM_EMU=y CONFIG_PCIBIOS=y CONFIG_APMBIOS=y CONFIG_PNPBIOS=y CONFIG_OPTIONROMS=y CONFIG_PMM=y CONFIG_BOOT=y CONFIG_KEYBOARD=y CONFIG_KBD_CALL_INT15_4F=y CONFIG_MOUSE=y CONFIG_S3_RESUME=y CONFIG_VGAHOOKS=y # CONFIG_DISABLE_A20 is not set # # VGA ROM # # CONFIG_NO_VGABIOS is not set # CONFIG_VGA_GEODEGX2 is not set # CONFIG_VGA_GEODELX is not set CONFIG_VGA_COREBOOT=y CONFIG_BUILD_VGABIOS=y CONFIG_VGA_ALLOCATE_EXTRA_STACK=y CONFIG_VGA_EXTRA_STACK_SIZE=512 CONFIG_VGA_VBE=y # # Debugging # CONFIG_DEBUG_LEVEL=1 # CONFIG_DEBUG_SERIAL is not set CONFIG_DEBUG_COREBOOT=y
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