[syslinux] Testing for ISO boot in init-premount

[Gene Cumm]

On Mon, Jun 22, 2015 at 7:30 PM, Varugis Kurien via Syslinux
<syslinux at zytor.com> wrote:
> Hi
>
> I have a scenario where I need to test for whether I have booted via a syslinux ISO image in init-premount as opposed to (say) PXE boot. Is there any variable that I can test for this?

As in you did "memdisk somecd.iso" to execute an ISO with ISOLINUX but
you want to know from within ISOLINUX if it was loaded from SYSLINUX
on a disk or PXELINUX via the network?

-- 
-Gene