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9 Commits

Author SHA1 Message Date
Warner Losh
7270962aa5 Bring in EDK2 routines for printing and parsing device paths. 
This commit implements the (mostly?) Linux compatible
efidp_format_device_path and efidp_parse_device_path APIs. These are
the only APIs exposed through this library. However, they are built on
code from Tianocore's EDK2 MdePkg. They are brought in as new files
here for reasons described in FreeBSD-update.

Symbol versioning will be introduced to control what's exported from
the EDK2 code.

Some structural changes may be necessary when we move to sharing with
sys/boot/efi.

Sponsored by: Netflix
 2017-03-09 00:31:31 +00:00
Warner Losh
bea9d78b2d Share UCS2/UTF8 routines between boot loader and userland. 
Move the UCS2 to UTF8 routines over into sys/boot/efi and have
libefivar grab them from there.

Sponsored by: Netflix
 2017-03-09 00:24:01 +00:00
Warner Losh
8ff15e8613 Make sure guid table is compiled before we use it. 
Sponsored by: Netflix
 2017-03-03 20:23:23 +00:00
Warner Losh
80967c8e1c Only compile the known uuid table once. 
Sponsored by: Netflix
 2017-03-03 20:22:56 +00:00
Warner Losh
e174551332 Move uuid_table definition to efivar.h. 
Create new function efi_known_guid() to return list of guids.

Sponsored by: Netflix
 2017-03-03 20:22:47 +00:00
Warner Losh
589c673b32 Don't convert ENOENT to nothing for individual lookup, just for the 
iterative get_next interface. This prevents efivar(3) from printing 4k
of 0's when a variable isn't set.

Sponsored by: Netflix
 2017-02-25 00:09:21 +00:00
Bryan Drewery
d329c46cfa DIRDEPS_BUILD: Connect new dependencies. 
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
 2016-11-13 00:11:23 +00:00
Warner Losh
b2a7ac4802 Fix building on i386 and arm. But 'public domain' headers on the files 
with no creative content. Include "lost" changes from git:
o Use /dev/efi instead of /dev/efidev
o Remove redundant NULL checks.

Submitted by: kib@, dim@, zbb@, emaste@
 2016-10-13 06:56:23 +00:00
Warner Losh
d49a5ddd04 Create libefivar library. This library aims to provide 
the same API as the GPL'd version of this library. It implements the common
Linux API for programatically manipulating UEFI environment varibales using
the UEFI Runtime Services the kernel provides. It replaces the old efi
library since it is programmed to a different interface, but retails the
CHAR16 to UTF-8 and vice versa conversion routines. The new name is to match
Linux program's expectations.

Differential Revision: https://reviews.freebsd.org/D8128
Reviewed by: kib@, wblock@, Ganael Laplanche
 2016-10-11 22:30:41 +00:00