pkgbase: Remove libefivar package and add a efi-tools one

Put all the efi related tools into FreeBSD-efi-tools.

Differential Revision: https://reviews.freebsd.org/D31803

(cherry picked from commit

pkgbase: Remove libefivar package and add a efi-tools one

Put all the efi related tools into FreeBSD-efi-tools.

Differential Revision: https://reviews.freebsd.org/D31803

(cherry picked from commit d8d41d3b842980e7b76c8f3081ed8b571af97e0c)

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libefivar(3): efi_set_variables_supported.3 should be efi_variables_supported.3

MFC after: 3 days

(cherry picked from commit 71779dddffe5e860118f42739ff8d51d181272ce)

Cleanup compiler warning flags in lib/libefivar/Makefile

There is no need to set -Wno-unused-parameter twice, and instead of
appending to CFLAGS, append to CWARNFLAGS instead. While here, add
-Wno-u

Cleanup compiler warning flags in lib/libefivar/Makefile

There is no need to set -Wno-unused-parameter twice, and instead of
appending to CFLAGS, append to CWARNFLAGS instead. While here, add
-Wno-unused-but-set-variable for the sake of clang 13.0.0.

(cherry picked from commit f643997a1761689ef9108d69b86d42881ea0ab1c)

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Create a function to translate UEFI paths to unix paths

efivar_device_path_to_unix_path translates from UEFI to Unix
efivar_unix_path_to_device_path translates from Unix to UEFI

At present, only HD

Create a function to translate UEFI paths to unix paths

efivar_device_path_to_unix_path translates from UEFI to Unix
efivar_unix_path_to_device_path translates from Unix to UEFI

At present, only HD() device types are supported (both GPT and
MBR). CdRom and floppy devices aren't supported. ZFS isn't supported
because there's no way in the UEFI standard to specify a ZFS datastore.
Network devices aren't supported either.

Three forms of Unix path are accepted: /path/to/file (for a mounted
filesystem), //path/to/file (uses the EFI partition on the same disk
as /), and dev:/path/to/file (for unmounted filesystem). Two forms are
produced (the first and last).

Sponsored by: Netflix

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Move sys/boot to stand. Fix all references to new location

Sponsored by: Netflix

libefivar: -fno-strict-aliasing

Avoid dealing with some code that uses type-punned pointers.

See D12210 and D12211 for more background.

Reviewed by: imp
Approved by: markj (mentor)
Sponsored by: D

libefivar: -fno-strict-aliasing

Avoid dealing with some code that uses type-punned pointers.

See D12210 and D12211 for more background.

Reviewed by: imp
Approved by: markj (mentor)
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D12219

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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

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

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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

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 varibale

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

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