[coreboot] How to give control to bootable USB

[Dhanasekar Jaganathan]

Hi Taiidan,

My USB ONIE installers don't have "isolinux/syslinux.cfg". It has
"boot/grub/grub.cfg".

When I try to run "syslinux_configfile (usb0)/boot/grub/grub.cfg" in GRUB
command line, I am getting "*kernel without label*" error.

Please provide your commands

Thanks,
Dhanasekar

On Wed, Jun 14, 2017 at 3:22 AM, Taiidan at gmx.com <Taiidan at gmx.com> wrote:

> On 06/13/2017 10:22 AM, Dhanasekar Jaganathan wrote:
>
> Hi All,
>>
>> I am trying to install ONIE from USB which has ONIE installer. Actually, I
>> am using GRUB2 as a payload.  If Coreboot display list of bootable
>> device,I
>> can select USB which will install a OS in the hard disk.  As I understood
>> that Coreboot won't display list of available bootable device (not like
>> vendor bios).I don't know how to give control to bootable USB or boot a
>> bootable USB by coreboot. Can you please help me on this?.
>>
>>
>> Thanks,
>> Dhanasekar
>>
> Assuming you are booting a standard linux distro iso:
> syslinux_configfile (*TAB* to see what is available
>
> then simply for instance syslinux_configfile (usb0,msdos1)/isolinux/syslinux.cfg
> (or w/e)
>
> also configfile (ahci0,msdos1)/grub2/grub.cfg to load a grub cfg
>
> Ideally you would add a grub cfg to the coreboot image that does something
> like load a config file from a specified local disk so that it is easy to
> update (ie: no re-flashing) instructions for that are on the wiki.
>
> SeaBIOS would provide the classic AMI style F12 selection menu, but I
> don't like it due to how many times I have accidentally enabled option rom
> execution by forgetting to include the configuration file.
>
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