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Michael Brown c64dfff0a9 [efi] Match signtool expectations for file alignment 
As of commit f1e9e2b ("[efi] Align EFI image sections by page size"),
our SectionAlignment has been increased to 4kB in order to allow for
page-level memory protection to be applied by the UEFI firmware, with
FileAlignment left at 32 bytes.

The PE specification states that the value for FileAlignment "should
be a power of 2 between 512 and 64k, inclusive", and that "if the
SectionAlignment is less than the architecture's page size, then
FileAlignment must match SectionAlignment".

Testing shows that signtool.exe will reject binaries where
FileAlignment is less than 512, unless FileAlignment is equal to
SectionAlignment.  This indicates a somewhat zealous interpretation of
the word "should" in the PE specification.

Work around this interpretation by increasing FileAlignment from 32
bytes to 512 bytes, and add explanatory comments for both
FileAlignment and SectionAlignment.

Debugged-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2021-07-15 15:45:24 +01:00
.github/workflows [linux] Use host glibc system call wrappers 2021-02-28 23:28:23 +00:00
contrib [cloud] Allow multiple images to be imported simultaneously 2021-05-02 12:38:03 +01:00
src [efi] Match signtool expectations for file alignment 2021-07-15 15:45:24 +01:00
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