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2026-02-24MdeModulePkg: Replace include guards with #pragma onceMichael Kubacki1-4/+1
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 <michael.kubacki@microsoft.com>
2022-03-01MdeModulePkg: Replace Opcode with the corresponding instructions.Jason1-18/+3
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3790 Replace Opcode with the corresponding instructions. The code changes have been verified with CompareBuild.py tool, which can be used to compare the results of two different EDK II builds to determine if they generate the same binaries. (tool link: https://github.com/mdkinney/edk2/tree/sandbox/CompareBuild) Signed-off-by: Jason Lou <yun.lou@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Cc: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
2021-12-07MdeModulePkg: Apply uncrustify changesMichael Kubacki2-13/+15
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
2019-04-09MdeModulePkg: Replace BSD License with BSD+Patent LicenseMichael D Kinney3-21/+3
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 <michael.d.kinney@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
2018-06-28MdeModulePkg: Clean up source filesLiming Gao1-8/+8
1. Do not use tab characters 2. No trailing white space in one line 3. All files must end with CRLF Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
2018-06-07MdeModulePkg: Remove X86 ASM and S filesLiming Gao2-1147/+0
NASM has replaced ASM and S files. 1. Remove ASM from all modules. 2. Remove S files from the drivers only. 3. https://bugzilla.tianocore.org/show_bug.cgi?id=881 After NASM is updated, S files can be removed from Library. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
2018-01-16MdeModulePkg: Update DebugSupportDxe to pass XCODE5 buildLiming Gao1-3/+3
XCODE5 doesn't support absolute addressing in the assembly code. This change uses lea instruction to get the address. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com> Cc: Andrew Fish <afish@apple.com> Cc: Star Zeng <star.zeng@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
2017-05-25MdeModulePkg/DebugSupportDxe: Fix XCODE5 build failureMichael Kinney1-2/+2
https://bugzilla.tianocore.org/show_bug.cgi?id=572 Update X64 AsmFuncs.S to resolve a build failure using the XCODE5 tool chain. This change updates AsmFuncs.S to match AsmFuncs.asm and AsmFuncs.nasm. The error generated in XCODE5 build is: error: invalid instruction mnemonic 'movzxw' movzxw 8(%rax), %rax ^~~~~~ The correct instruction is movzwq 8(%rax), %rax Cc: Star Zeng <star.zeng@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Andrew Fish <afish@apple.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Andrew Fish <afish@apple.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
2016-06-28MdeModulePkg DebugSupportDxe: Convert X64/AsmFuncs.asm to NASMJordan Justen1-0/+587
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert X64/AsmFuncs.asm to X64/AsmFuncs.nasm Note: Also applied many manual cleanups where conversion script failed Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Cc: Feng Tian <feng.tian@intel.com> Cc: Star Zeng <star.zeng@intel.com>
2014-12-17MdeModulePkg DebugSupportDxe: Fix build error with GNU assemblerJordan Justen1-1/+1
The GNU assembler (2.24.51.20140918) is failing to build when movw is used on this instruction. Instead use the mov instruction, which matches the other cases of loading segment registers. The error message seen is: AsmFuncs.iii:283: Error: incorrect register `%rax' used with `w' suffix Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16529 6f19259b-4bc3-4df7-8a09-765794883524
2014-01-22Fix CRLF formatTian, Hot1-551/+551
Signed-off-by: Tian, Hot <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15155 6f19259b-4bc3-4df7-8a09-765794883524
2011-05-17A complement fix for revision 11664 to update GCC assembly files : clear the ↵rsun31-1/+4
direction flag in interrupt/exception handlers' assembly entry code before calling C functions to follow the UEFI calling convention. Signed-off-by: rsun3 Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11670 6f19259b-4bc3-4df7-8a09-765794883524
2011-05-16Clear the direction flag in interrupt/exception handlers' assembly entry ↵rsun31-1/+4
code before calling C functions to follow the UEFI calling convention. Signed-off-by: rsun3 Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11664 6f19259b-4bc3-4df7-8a09-765794883524
2010-10-18Refine code to make code run more safely.ydong101-3/+3
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10955 6f19259b-4bc3-4df7-8a09-765794883524
2010-04-24Update the copyright notice formathhtian4-9/+9
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10418 6f19259b-4bc3-4df7-8a09-765794883524
2010-01-19Improve coding style in MdeModulePkg.rsun31-2/+2
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9793 6f19259b-4bc3-4df7-8a09-765794883524
2010-01-14fixed one bug that old rsp was calculate incorrectly.vanjeff2-32/+32
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9745 6f19259b-4bc3-4df7-8a09-765794883524
2009-08-24Integrate the patch contributed by Andrew Fish to port MdeModulePkg to ↵qhuang81-547/+548
support ARM. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9174 6f19259b-4bc3-4df7-8a09-765794883524
2009-08-21Use .fill directive to improve portability.qhuang81-3/+1
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9166 6f19259b-4bc3-4df7-8a09-765794883524
2009-08-20Use .p2align directive instead of ambiguous .align directive.qhuang81-2/+2
(Judging from the context, the original .align should means the power of two.) git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9153 6f19259b-4bc3-4df7-8a09-765794883524
2009-08-12Remove ".intel_syntax", convert MASM to GAS.gikidy1-244/+242
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9059 6f19259b-4bc3-4df7-8a09-765794883524
2009-05-20Replace .globl with ASM_GLOBALxli241-10/+10
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8346 6f19259b-4bc3-4df7-8a09-765794883524
2009-04-11Fix various 'EFIAPI' inconsistencies found while building MdeModulePkg.jljusten1-2/+2
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8062 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-301. Use Mde library for Debug Port Modulevanjeff1-3/+8
2. Minimum changed for Debug Support Module. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7153 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-19fixed one bug to pass GCC.vanjeff1-2/+2
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7083 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-16code scrub:vanjeff3-21/+20
1. updated functions header. 2. sync some comments for .S files. 3. fixed some error in AsmFuncs.S git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7044 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-15Port AsmFuncs.s to pass CYGWINGCC build for x64.vanjeff2-29/+533
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7033 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-11code scrub for DebugSpport Module.vanjeff3-55/+13
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6997 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-111. Merger generic functions into one file.vanjeff4-636/+146
2. Use the basic definitions in BaseLib.h, instead of local definitions git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6986 6f19259b-4bc3-4df7-8a09-765794883524
2008-11-05ECC clean up.vanjeff2-379/+224
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6405 6f19259b-4bc3-4df7-8a09-765794883524
2008-11-04filename renaming to meet coding style.vanjeff1-1/+1
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6371 6f19259b-4bc3-4df7-8a09-765794883524
2008-11-04Renamed remotelyvanjeff1-0/+0
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6370 6f19259b-4bc3-4df7-8a09-765794883524
2008-11-04Renamed remotelyvanjeff1-0/+0
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6369 6f19259b-4bc3-4df7-8a09-765794883524
2008-10-30Patch to remove STATIC modifier. This is on longer recommended by EFI ↵jji41-3/+0
Framework coding style. All duplicated symbols has been renamed accordingly. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6296 6f19259b-4bc3-4df7-8a09-765794883524
2008-09-27Renamedvanjeff4-0/+1494
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5992 6f19259b-4bc3-4df7-8a09-765794883524
generated by cgit v1.2.3 (git 2.39.0) at 2026-09-30 17:51:05 +0300