Or an EFI System Configuration table (which uses a GUID to identify it)  Not 
sure about SSDT, since that would require an AML interpreter.  

Tim


-----Original Message-----
From: H. Peter Anvin [mailto:h...@zytor.com] 
Sent: Thursday, April 04, 2013 4:50 PM
To: edk2-devel@lists.sourceforge.net
Cc: Tim Lewis
Subject: Re: [edk2] Boot to ISO image in volatile memory

On 04/04/2013 12:27 PM, Tim Lewis wrote:
> Produce an instance of BLOCK_IO protocol which returns pieces of the 
> in-memory image. Then perform a ConnectController() on that handle, which 
> should cause a DISK_IO and SIMPLE_FILE_SYSTEM to be mounted automatically.
> 
> Then, you use the file system to load the boot loader (LoadImage()), signal 
> the ready-to-boot event, set up the UEFI watchdog timer, and then start the 
> boot loader (StartImage()). There may be a few more standard boot items I may 
> be forgetting, but that's about it.
> 
> Tim

For the record, it is a *very* frequent request in Linux circles to enable a 
standard way for the OS to find such an image.  The obvious way is via an ACPI 
SSDT.

        -hpa



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