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<title>Tianocore/edk2.git/MdeModulePkg/Bus/Sd/SdDxe, branch master</title>
<subtitle>EDK II (mirror)</subtitle>
<id>https://git.radix-linux.su/Tianocore/edk2.git/atom?h=master</id>
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<updated>2026-02-23T21:01:28+00:00</updated>
<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>
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<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>
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<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: Change use of EFI_D_* to DEBUG_*</title>
<updated>2021-12-07T17:24:28+00:00</updated>
<author>
<name>Michael D Kinney</name>
<email>michael.d.kinney@intel.com</email>
</author>
<published>2021-11-17T03:21:29+00:00</published>
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<id>urn:sha1:87000d77082339be464d07855d9fc194c6b4e8a6</id>
<content type='text'>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3739

Update all use of EFI_D_* defines in DEBUG() macros to DEBUG_* defines.

Cc: Andrew Fish &lt;afish@apple.com&gt;
Cc: Leif Lindholm &lt;leif@nuviainc.com&gt;
Cc: Michael Kubacki &lt;michael.kubacki@microsoft.com&gt;
Signed-off-by: Michael D Kinney &lt;michael.d.kinney@intel.com&gt;
Reviewed-by: Liming Gao &lt;gaoliming@byosoft.com.cn&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg/Sd: Corrections for Extra.uni files</title>
<updated>2021-10-14T00:13:17+00:00</updated>
<author>
<name>Konstantin Aladyshev</name>
<email>aladyshev22@gmail.com</email>
</author>
<published>2021-10-11T17:00:41+00:00</published>
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<id>urn:sha1:43b38408732b6c11641300689e09df1ad7bdcc6a</id>
<content type='text'>
Add correct content to the 'SdDxeExtra.uni' file.
Include 'EmmcDxeExtra.uni' and 'SdDxeExtra.uni' files to their
appropriate INF files.

Signed-off-by: Konstantin Aladyshev &lt;aladyshev22@gmail.com&gt;
Reviewed-by: Hao A Wu &lt;hao.a.wu@intel.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg/SdDxe: Check the Token to avoid null pointer</title>
<updated>2020-03-27T01:04:25+00:00</updated>
<author>
<name>Guomin Jiang</name>
<email>guomin.jiang@intel.com</email>
</author>
<published>2020-03-26T06:35:54+00:00</published>
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<id>urn:sha1:695d90b9b156573d0dafb20afecea09dc9a914f4</id>
<content type='text'>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2286

Token pointer may be NULL, it should be checked before use it.

Cc: Jian J Wang &lt;jian.j.wang@intel.com&gt;
Cc: Hao A Wu &lt;hao.a.wu@intel.com&gt;
Cc: Ray Ni &lt;ray.ni@intel.com&gt;
Signed-off-by: Guomin Jiang &lt;guomin.jiang@intel.com&gt;
Reviewed-by: Hao A Wu &lt;hao.a.wu@intel.com&gt;
</content>
</entry>
<entry>
<title>MdeModulePkg/Bus/Sd: Fix various typos</title>
<updated>2020-02-10T22:30:07+00:00</updated>
<author>
<name>Antoine Coeur</name>
<email>coeur@gmx.fr</email>
</author>
<published>2020-02-07T01:07:28+00:00</published>
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<id>urn:sha1:b854b07540f87cfaaf47200e4674b74c225c006d</id>
<content type='text'>
Fix various typos in comments and documentation.

Cc: Jian J Wang &lt;jian.j.wang@intel.com&gt;
Cc: Hao A Wu &lt;hao.a.wu@intel.com&gt;
Cc: Ray Ni &lt;ray.ni@intel.com&gt;
Signed-off-by: Antoine Coeur &lt;coeur@gmx.fr&gt;
Reviewed-by: Philippe Mathieu-Daude &lt;philmd@redhat.com&gt;
Acked-by: Liming Gao &lt;liming.gao@intel.com&gt;
Signed-off-by: Philippe Mathieu-Daude &lt;philmd@redhat.com&gt;
Message-Id: &lt;20200207010831.9046-16-philmd@redhat.com&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>
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<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/SdDxe: Fix potential NULL pointer access</title>
<updated>2018-11-19T01:09:05+00:00</updated>
<author>
<name>Jeff Brasen</name>
<email>jbrasen@nvidia.com</email>
</author>
<published>2018-11-16T08:09:48+00:00</published>
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<id>urn:sha1:5a16ba3ae18e6528cb83039951e15a4b76004949</id>
<content type='text'>
SdReadWrite can be called with a NULL Token for synchronous operations.
Add guard for DEBUG print to only print event pointer with Token is not
NULL.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jeff Brasen &lt;jbrasen@nvidia.com&gt;
Reviewed-by: Hao Wu &lt;hao.a.wu@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>
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<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/Sd: Fix typo when adding model name string</title>
<updated>2018-06-29T08:52:52+00:00</updated>
<author>
<name>Hao Wu</name>
<email>hao.a.wu@intel.com</email>
</author>
<published>2018-06-28T01:32:32+00:00</published>
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<id>urn:sha1:e25a76785e44061a1b5e29f3228febacf6f50932</id>
<content type='text'>
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=952

Cc: Anbazhagan Baraneedharan &lt;anbazhagan@hp.com&gt;
Cc: Eric Dong &lt;eric.dong@intel.com&gt;
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Hao Wu &lt;hao.a.wu@intel.com&gt;
Reviewed-by: Star Zeng &lt;star.zeng@intel.com&gt;
</content>
</entry>
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