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21 Commits

Author SHA1 Message Date
Michael D Kinney d181539b83 MdeModulePkg: Fix spelling mistake for occurred 
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2361

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Guomin Jiang <guomin.jiang@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
 2020-08-19 00:54:23 +00:00
Michael D Kinney 9d510e61fc MdeModulePkg: Replace BSD License with BSD+Patent License 
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>
 2019-04-09 10:58:08 -07:00
Hao Wu 809e2bbf41 MdeModulePkg: Refine type cast for pointer subtraction 
For pointer subtraction, the result is of type "ptrdiff_t". According to
the C11 standard (Committee Draft - April 12, 2011):

"When two pointers are subtracted, both shall point to elements of the
same array object, or one past the last element of the array object; the
result is the difference of the subscripts of the two array elements. The
size of the result is implementation-defined, and its type (a signed
integer type) is ptrdiff_t defined in the <stddef.h> header. If the result
is not representable in an object of that type, the behavior is
undefined."

In our codes, there are cases that the pointer subtraction is not
performed by pointers to elements of the same array object. This might
lead to potential issues, since the behavior is undefined according to C11
standard.

Also, since the size of type "ptrdiff_t" is implementation-defined. Some
static code checkers may warn that the pointer subtraction might underflow
first and then being cast to a bigger size. For example:

UINT8  *Ptr1, *Ptr2;
UINTN  PtrDiff;
...
PtrDiff = (UINTN) (Ptr1 - Ptr2);

The commit will refine the pointer subtraction expressions by casting each
pointer to UINTN first and then perform the subtraction:

PtrDiff = (UINTN) Ptr1 - (UINTN) Ptr2;

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
 2017-03-06 14:14:09 +08:00
Tian, Feng 3038da1b93 Fix incorrect return status in InitializeDebugPortDriver() & DebugPortSupported(). 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Tian, Feng <feng.tian@intel.com>
Reviewed-by: Li, Elvin <elvin.li@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15217 6f19259b-4bc3-4df7-8a09-765794883524
 2014-02-11 08:00:13 +00:00
Ruiyu Ni 20182c7ea1 Fix GCC build failure. 
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15098 6f19259b-4bc3-4df7-8a09-765794883524
 2014-01-11 03:21:21 +00:00
Ruiyu Ni 54d5bb7d16 Fix a bug in DebugPort driver's Unload() that leaves the DriverBinding/ComponentName(2) installed. 
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15087 6f19259b-4bc3-4df7-8a09-765794883524
 2014-01-10 03:42:36 +00:00
oliviermartin 5a169fca47 MdeModulePkg/DebugPortDxe: Fixed the ordering of the EFI_DEBUGPORT_PROTOCOL entries 
The DebugPortRead and DebugPortWrite entries are reversed in the initialization
of the EFI_DEBUGPORT_PROTOCOL structure (compare to the EFI_DEBUGPORT_PROTOCOL
definition and the UEFI spec).

Signed-off-by: oliviermartin
Reviewed-by: rsun3


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13102 6f19259b-4bc3-4df7-8a09-765794883524
 2012-03-15 15:27:18 +00:00
hhtian e5eed7d364 Update the copyright notice format 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10418 6f19259b-4bc3-4df7-8a09-765794883524
 2010-04-24 09:33:45 +00:00
xli24 28af9a489d Fix the bug in DebugPort on error reporting. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7843 6f19259b-4bc3-4df7-8a09-765794883524
 2009-03-10 05:38:54 +00:00
vanjeff cfcbb8bc54 1. Use Mde library for Debug Port Module 
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
 2008-12-30 07:10:46 +00:00
vanjeff 0da0de5ed8 1. add some comments. 
2. remove unnecessary protocol declaration in inf file.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7059 6f19259b-4bc3-4df7-8a09-765794883524
 2008-12-17 02:17:53 +00:00
vanjeff b643f69c98 using the exact device path DEBUGPORT_DEVICE_PATH. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6670 6f19259b-4bc3-4df7-8a09-765794883524
 2008-11-21 09:48:41 +00:00
vanjeff 2d285faad8 Code scrub for DebugPortDxe. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6665 6f19259b-4bc3-4df7-8a09-765794883524
 2008-11-21 07:13:33 +00:00
klu2 1232b21473 1, Add <Library/DevicePathLib.h> for all source that use device path utility macros 
2, Add DevicePathLib library class to module's INF that use device path utility macros

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6456 6f19259b-4bc3-4df7-8a09-765794883524
 2008-11-11 15:42:40 +00:00
vanjeff 9e604fe42d ECC clean up. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6405 6f19259b-4bc3-4df7-8a09-765794883524
 2008-11-05 08:44:03 +00:00
vanjeff 49c8b87c66 ECC clean up for DebugPort Module. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6363 6f19259b-4bc3-4df7-8a09-765794883524
 2008-11-04 05:35:49 +00:00
jji4 fe1e36e550 Patch to remove STATIC modifier. This is on longer recommended by EFI 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
 2008-10-30 06:05:06 +00:00
vanjeff fb0b259e4e apply for doxgen format. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5038 6f19259b-4bc3-4df7-8a09-765794883524
 2008-04-10 08:49:28 +00:00
qhuang8 8a7d75b062 Clean up: update "EFI" to "UEFI" if applicable. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4317 6f19259b-4bc3-4df7-8a09-765794883524
 2007-11-22 06:00:39 +00:00
qhuang8 19f97f7e86 Update to support to produce Component Name and & Component Name 2 protocol based on Feature flag PcdComponentNameDisable & PcdComponentName2Disable. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4004 6f19259b-4bc3-4df7-8a09-765794883524
 2007-09-30 03:02:26 +00:00
qhuang8 c1f23d6336 Add DebugPort & DebugSupport drivers 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3018 6f19259b-4bc3-4df7-8a09-765794883524
 2007-07-03 14:09:20 +00:00