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Michael Brown 37edfea72b [efi] Generalise block device boot to support arbitrary EFI handles 
SAN devices created by iPXE are visible to the firmware, and may be
accessed using the firmware's standard block I/O device interface
(e.g. INT 13 for BIOS, or EFI_BLOCK_IO_PROTOCOL for UEFI).  The iPXE
code to perform a SAN boot acts as a client of this standard block I/O
device interface, even when the underlying block I/O is being
performed by iPXE itself.

We rely on this separation to allow the "sanboot" command to be used
to boot from a local disk: since the code to perform a SAN boot does
not need direct access to an underlying iPXE SAN device, it may be
used to boot from any device providing the firmware's standard block
I/O device interface.

Clean up the EFI SAN boot code to require only a drive number and an
EFI_BLOCK_IO_PROTOCOL handle, in preparation for adding support for
booting from a local disk under UEFI.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2024-03-04 15:25:25 +00:00
.github/workflows [ci] Work around Ubuntu packaging metadata issues 2023-05-15 14:56:28 +01:00
contrib [cloud] Add utility script to read iPXE output from INT13CON partition 2023-11-07 18:05:45 +00:00
src [efi] Generalise block device boot to support arbitrary EFI handles 2024-03-04 15:25:25 +00:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org