<feed xmlns='http://www.w3.org/2005/Atom'>
<title>Tianocore/edk2.git/MdeModulePkg/Include/Guid/VariableFormat.h, branch master</title>
<subtitle>EDK II (mirror)</subtitle>
<id>https://git.radix-linux.su/Tianocore/edk2.git/atom?h=master</id>
<link rel='self' href='https://git.radix-linux.su/Tianocore/edk2.git/atom?h=master'/>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/'/>
<updated>2026-02-27T07:15:11+00:00</updated>
<entry>
<title>MdeModulePkg/Include/Guid: Add back include guard</title>
<updated>2026-02-27T07:15:11+00:00</updated>
<author>
<name>Michael D Kinney</name>
<email>michael.d.kinney@intel.com</email>
</author>
<published>2026-02-25T21:27:07+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=935518abbb8e0cc7a5d38324952703667615196c'/>
<id>urn:sha1:935518abbb8e0cc7a5d38324952703667615196c</id>
<content type='text'>
Add include guards back to include files that use the same
include guard macro in BaseTools/Source/C/Include/Common
and MdePkg or MdeModulePkg.

Signed-off-by: Michael D Kinney &lt;michael.d.kinney@intel.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg: Replace include guards with #pragma once</title>
<updated>2026-02-23T21:01:28+00:00</updated>
<author>
<name>Michael Kubacki</name>
<email>michael.kubacki@microsoft.com</email>
</author>
<published>2026-02-03T18:48:28+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=7a934d0befca7d10f361c76af6d2fcb6eb48c835'/>
<id>urn:sha1:7a934d0befca7d10f361c76af6d2fcb6eb48c835</id>
<content type='text'>
Replace traditional `#ifndef`/`#define`/`#endif` include guards with
`#pragma` once.

`#pragma once` is a widely supported preprocessor directive that
prevents header files from being included multiple times. It is
supported by all toolchains used to build edk2: GCC, Clang/LLVM, and
MSVC.

Compared to macro-based include guards, `#pragma once`:

- Eliminates the risk of macro name collisions or copy/paste errors
  where two headers inadvertently use the same guard macro.
- Eliminate inconsistency in the way include guard macros are named
  (e.g., some files use `__FILE_H__`, others use `FILE_H_`, etc.).
- Reduces boilerplate (three lines replaced by one).
- Avoids polluting the macro namespace with guard symbols.
- Can improve build times as the preprocessor can skip re-opening the
  file entirely, rather than re-reading it to find the matching
  `#endif` ("multiple-include optimization").
  - Note that some compilers may already optimize traditional include
    guards, by recognzining the idiomatic pattern.

This change is made acknowledging that overall portability of the
code will technically be reduced, as `#pragma once` is not part of the
C/C++ standards.

However, this is considered acceptable given:

1. edk2 already defines a subset of supported compilers in
   BaseTools/Conf/tools_def.template, all of which have supported
   `#pragma once` for over two decades.
2. There have been concerns raised to the project about inconsistent
   include guard naming and potential macro collisions.

Approximate compiler support dates:

- MSVC: Supported since Visual C++ 4.2 (1996)
- GCC: Supported since 3.4 (2004)
  (http://gnu.ist.utl.pt/software/gcc/gcc-3.4/changes.html)
- Clang (LLVM based): Since initial release in 2007

Signed-off-by: Michael Kubacki &lt;michael.kubacki@microsoft.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg: Apply uncrustify changes</title>
<updated>2021-12-07T17:24:28+00:00</updated>
<author>
<name>Michael Kubacki</name>
<email>michael.kubacki@microsoft.com</email>
</author>
<published>2021-12-05T22:54:02+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=1436aea4d5707e672672a11bda72be2c63c936c3'/>
<id>urn:sha1:1436aea4d5707e672672a11bda72be2c63c936c3</id>
<content type='text'>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737

Apply uncrustify changes to .c/.h files in the MdeModulePkg package

Cc: Andrew Fish &lt;afish@apple.com&gt;
Cc: Leif Lindholm &lt;leif@nuviainc.com&gt;
Cc: Michael D Kinney &lt;michael.d.kinney@intel.com&gt;
Signed-off-by: Michael Kubacki &lt;michael.kubacki@microsoft.com&gt;
Reviewed-by: Liming Gao &lt;gaoliming@byosoft.com.cn&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg: Replace BSD License with BSD+Patent License</title>
<updated>2019-04-09T17:58:08+00:00</updated>
<author>
<name>Michael D Kinney</name>
<email>michael.d.kinney@intel.com</email>
</author>
<published>2019-04-03T23:05:13+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=9d510e61fceee7b92955ef9a3c20343752d8ce3f'/>
<id>urn:sha1:9d510e61fceee7b92955ef9a3c20343752d8ce3f</id>
<content type='text'>
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney &lt;michael.d.kinney@intel.com&gt;
Reviewed-by: Hao Wu &lt;hao.a.wu@intel.com&gt;
Reviewed-by: Jian J Wang &lt;jian.j.wang@intel.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg: Removing ipf which is no longer supported from edk2.</title>
<updated>2018-09-06T07:25:16+00:00</updated>
<author>
<name>Chen A Chen</name>
<email>chen.a.chen@intel.com</email>
</author>
<published>2018-06-29T03:27:00+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=de005223b77c473d45c9c8a11147f6968325f73e'/>
<id>urn:sha1:de005223b77c473d45c9c8a11147f6968325f73e</id>
<content type='text'>
Removing rules for Ipf sources file:
* Remove the source file which path with "ipf" and also listed in
  [Sources.IPF] section of INF file.
* Remove the source file which listed in [Components.IPF] section
  of DSC file and not listed in any other [Components] section.
* Remove the embedded Ipf code for MDE_CPU_IPF.

Removing rules for Inf file:
* Remove IPF from VALID_ARCHITECTURES comments.
* Remove DXE_SAL_DRIVER from LIBRARY_CLASS in [Defines] section.
* Remove the INF which only listed in [Components.IPF] section in DSC.
* Remove statements from [BuildOptions] that provide IPF specific flags.
* Remove any IPF sepcific sections.

Removing rules for Dec file:
* Remove [Includes.IPF] section from Dec.

Removing rules for Dsc file:
* Remove IPF from SUPPORTED_ARCHITECTURES in [Defines] section of DSC.
* Remove any IPF specific sections.
* Remove statements from [BuildOptions] that provide IPF specific flags.

Cc: Star Zeng &lt;star.zeng@intel.com&gt;
Cc: Eric Dong &lt;eric.dong@intel.com&gt;
Cc: Michael D Kinney &lt;michael.d.kinney@intel.com&gt;
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chen A Chen &lt;chen.a.chen@intel.com&gt;
Reviewed-by: Star Zeng &lt;star.zeng@intel.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg: Deprecate EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS</title>
<updated>2017-11-01T14:25:36+00:00</updated>
<author>
<name>Zhang, Chao B</name>
<email>chao.b.zhang@intel.com</email>
</author>
<published>2017-10-24T07:04:00+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=4073f85d4a09e41ccdbb5efef10835d42db237e3'/>
<id>urn:sha1:4073f85d4a09e41ccdbb5efef10835d42db237e3</id>
<content type='text'>
Mark EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS as deprecated.
1. Make SetVariable/QueryVariableInfo return EFI_UNSUPPORTED with this
   attribute
2. No change to GetVariable/GetNextVariableName
Also update several function descriptors accordingly

Cc: Long Qin &lt;qin.long@intel.com&gt;
Cc: Star Zeng &lt;star.zeng@intel.com&gt;
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang &lt;chao.b.zhang@intel.com&gt;
Reviewed-by: Long Qin &lt;qin.long@intel.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg: Add BS+RT+AT variable attribute definition</title>
<updated>2016-02-02T00:53:39+00:00</updated>
<author>
<name>Chao Zhang</name>
<email>chao.b.zhang@intel.com</email>
</author>
<published>2016-02-02T00:53:39+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=378ea6e4169c9af0eb45f654ec49b997a0f98408'/>
<id>urn:sha1:378ea6e4169c9af0eb45f654ec49b997a0f98408</id>
<content type='text'>
Add BS+RT+AT variable attribute definition.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang &lt;chao.b.zhang@intel.com&gt;
Reviewed-by: Star Zeng &lt;star.zeng@intel.com&gt;
Reviewed-by: Fu Siyuan &lt;siyuan.fu@intel.com&gt;

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19785 6f19259b-4bc3-4df7-8a09-765794883524
</content>
</entry>
<entry>
<title>MdeModulePkg: Add AuthVariableLib LibraryClass</title>
<updated>2015-07-01T03:04:18+00:00</updated>
<author>
<name>Star Zeng</name>
<email>star.zeng@intel.com</email>
</author>
<published>2015-07-01T03:04:18+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=b6477d820b783d08c56a444905d1681de5c698b2'/>
<id>urn:sha1:b6477d820b783d08c56a444905d1681de5c698b2</id>
<content type='text'>
What to do:
1. Add AuthVariableLib LibraryClass definitions.
2. Implement a NULL AuthVariableLib library instance.
3. Add VARIABLE_ENTRY_PROPERTY definition to VarCheck.h.
4. Add VARIABLE_ENTRY_CONSISTENCY and variable attribute
combinations definitions to VariableFormat.h.

Why to do:
1. Share code.
1.1. Separate auth variable service from Auth Variable driver in
SecurityPkg to AuthVariableLib. Then the AuthVariableLib could benefit
and be used by different implementation of Auth Variable drivers.

1.2 The VARIABLE_ENTRY_PROPERTY definition to VarCheck.h,
VARIABLE_ENTRY_CONSISTENCY and variable attribute
combinations definitions to VariableFormat.h will be shared
by merged Variable driver and AuthVariableLib.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng &lt;star.zeng@intel.com&gt;
Reviewed-by: Jiewen Yao &lt;jiewen.yao@intel.com&gt;
Reviewed-by: Liming Gao &lt;liming.gao@intel.com&gt;

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17757 6f19259b-4bc3-4df7-8a09-765794883524
</content>
</entry>
<entry>
<title>MdeModulePkg: Move authenticated variable definition from SecurityPkg</title>
<updated>2015-07-01T03:02:08+00:00</updated>
<author>
<name>Star Zeng</name>
<email>star.zeng@intel.com</email>
</author>
<published>2015-07-01T03:02:08+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=1fe6c1255b6e8c0b94d142dae3f8ff7e67c25ce8'/>
<id>urn:sha1:1fe6c1255b6e8c0b94d142dae3f8ff7e67c25ce8</id>
<content type='text'>
What to do:
1. Move authenticated variable definition from AuthenticatedVariableFormat.h
to VariableFormat.h with gEfiAuthenticatedVariableGuid and
AUTHENTICATED_VARIABLE_HEADER.

Why to do:
1. Share code.
We are moving forward to separate auth variable service from Auth Variable
driver in SecurityPkg to AuthVariableLib. Then the AuthVariableLib could benefit
and be used by different implementation of Auth Variable drivers.
2. Remove code duplication and reduce maintenance effort.
After auth variable service separated from Auth Variable driver in SecurityPkg
to AuthVariableLib. The remaining code logic of Auth Variable driver in SecurityPkg
will be almost same with Variable driver in MdeModulePkg. We are going to
merge them.
3. gEfiAuthenticatedVariableGuid will be used by both merged Variable driver
and AuthVariableLib, AUTHENTICATED_VARIABLE_HEADER will be used by
merged Variable driver.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng &lt;star.zeng@intel.com&gt;
Reviewed-by: Jiewen Yao &lt;jiewen.yao@intel.com&gt;
Reviewed-by: Liming Gao &lt;liming.gao@intel.com&gt;

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17754 6f19259b-4bc3-4df7-8a09-765794883524
</content>
</entry>
<entry>
<title>Puts SMM variable common definitions in SmmVariableCommon.h.</title>
<updated>2011-02-28T07:31:45+00:00</updated>
<author>
<name>gdong1</name>
<email>gdong1@6f19259b-4bc3-4df7-8a09-765794883524</email>
</author>
<published>2011-02-28T07:31:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/Tianocore/edk2.git/commit/?id=d00ed85e0ab212b988458b2fe98f20cb295637ad'/>
<id>urn:sha1:d00ed85e0ab212b988458b2fe98f20cb295637ad</id>
<content type='text'>
Fixed a bug that SMM_VARIABLE_COMMUNICATE_VARIABLE_INFO_ENTRY was misused as SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11339 6f19259b-4bc3-4df7-8a09-765794883524
</content>
</entry>
</feed>
