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Warner Losh 8ac2d6f5d6 Read in and parse /efi/freebsd/loader.env from the boot device's
partition as if it were on the command line.

Fetch FreeBSD-LoaderEnv UEFI enviornment variable. If set, read in
loader environment variables from it. Otherwise read in
/efi/freebsd/loader.env. Both are read relative to the device
loader.efi loaded from (they aren't full UEFI device paths)

Next fetch FreeBSD-NextLoaderEnv UEFI environment variable. If
present, read the file it points to in as above and delete the UEFI
environment variable so it only happens once.

This lets one set environment variables in the bootloader.
Unfortunately, we don't have all the mechanisms in place to parse the
file, nor do we have the magic pattern matching in place that
loader.conf has. Variables are of the form foo=bar. No quotes are
supported, so spaces aren't allowed, for example. Also, variables like
foo_load=yes are intercepted when we parse the loader.conf file and
things are done based on that. Since those aren't done here, variables
that cause an action to happen won't work.

Reviewed by: bcran
Differential Revision: https://reviews.freebsd.org/D20016
2019-04-29 05:02:25 +00:00
bin Restore the -n flag parsing, but ignore it. 2019-04-24 05:24:10 +00:00
cddl Add a trailing empty line to match the test code output 2019-04-29 03:50:21 +00:00
contrib MFV r346563: 2019-04-23 03:52:43 +00:00
crypto Add workaround for a QoS-related bug in VMWare Workstation. 2019-03-27 15:17:29 +00:00
etc mtree: Add more runtime package tag 2019-04-25 16:45:24 +00:00
gnu Fix gdb/kgdb build under WITH_PIE 2019-04-01 19:19:51 +00:00
include Introduce funlinkat syscall that always us to check if we are removing 2019-04-06 09:34:26 +00:00
kerberos5 Add WITH_PIE knob to build Position Independent Executables 2019-02-15 22:22:38 +00:00
lib Use __VGLBitmapCopy() directly to show the mouse cursor. The mouse 2019-04-26 18:28:54 +00:00
libexec Make mdmfs verbose if diskless boot is verbose. 2019-04-26 14:44:50 +00:00
release Add support for cross-building cloudware images. 2019-04-03 21:54:47 +00:00
rescue rescue: set NO_SHARED in Makefile 2018-11-19 22:18:18 +00:00
sbin Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
secure Add workaround for a QoS-related bug in VMWare Workstation. 2019-03-27 15:17:29 +00:00
share Update the audit(4) man page to talk about dtaudit(4), and also add a 2019-04-28 16:28:36 +00:00
stand Read in and parse /efi/freebsd/loader.env from the boot device's 2019-04-29 05:02:25 +00:00
sys powerpc: Make OPAL root node probe at bus pass 2019-04-29 01:10:57 +00:00
targets retire LINKER_FEATURES filter flag 2018-11-12 20:44:22 +00:00
tests Use range instead of xrange 2019-04-24 05:52:24 +00:00
tools fsx: seed more randomly with the -S0 option 2019-04-28 17:27:06 +00:00
usr.bin ar: shuffle symbol offsets during conversion for 32-bit ar archives 2019-04-22 19:55:47 +00:00
usr.sbin Add #ifdef INET6 around declaration of nbuf. 2019-04-28 22:37:59 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: pass OVMF env var to test script for upcoming changes 2019-04-11 13:01:26 +00:00
.gitattributes MK_ZFS -> {MK_ZFS|MK_LOADER_ZFS}, this is so we can diable userland / kernel 2019-01-05 22:45:20 +00:00
.gitignore Ignore _.universe-toolchain file. 2018-07-01 13:50:37 +00:00
COPYRIGHT Happy New Year 2019! 2019-01-01 00:25:25 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add note that I'm the defacto maintainer of libegacy, our 2019-04-18 15:19:28 +00:00
Makefile import zstd 1.4.0 2019-04-19 00:31:04 +00:00
Makefile.inc1 pkgbase: Use uname as ABI_FILE 2019-03-27 17:55:39 +00:00
Makefile.libcompat Use ...-freebsd13.0 in -target strings. 2018-11-12 16:55:20 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Set tentative merge date, and bump __FreeBSD_version. 2019-03-04 19:23:11 +00:00
README Import wpa_supplicant/hostapd 2.8 2019-04-22 15:42:53 +00:00
README.md import zstd 1.4.0 2019-04-19 00:31:04 +00:00
UPDATING random(4): Restore availability tradeoff prior to r346250 2019-04-18 20:48:54 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html