[coreboot] How to give control to bootable USB

[Nico Huber]

Hi Dhanasekar,

On 14.06.2017 11:21, Dhanasekar Jaganathan wrote:
> 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

Taiidan already told you the correct command name (33 lines below). You
might have missed it ;)

Nico

> 
> 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.
>>
> 
> 
>