diff options
| author | Jeff Fan <jeff.fan@intel.com> | 2014-07-10 02:12:27 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-07-10 02:12:27 +0000 |
| commit | cf1eb6e6f85952b0fad82b937054f611cf148d57 (patch) | |
| tree | a73cb236c7dd69bd1997f0eb82bc35c269746227 /UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf | |
| parent | 5039b444fe8c2b8757de53b009d9f4c6bb0f9302 (diff) | |
| download | edk2-platforms-cf1eb6e6f85952b0fad82b937054f611cf148d57.tar.xz | |
Introduce one PCD PcdCpuInitIpiDelayInMicroSeconds to specify the delay value after sending out INIT IPI instead of hard code 10 MicroSeconds.
Its default value is 10 millisecond per IA32 manual.
Platform could customize this PCD value for performance requirement.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Kinney, Michael <michael.d.kinney@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15650 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf')
| -rw-r--r-- | UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf index baece39a43..bc6182d80d 100644 --- a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf +++ b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf @@ -4,7 +4,7 @@ # This library instance supports x2APIC capable processors
# which have xAPIC and x2APIC modes.
#
-# Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -42,3 +42,6 @@ TimerLib
IoLib
+[Pcd]
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuInitIpiDelayInMicroSeconds
+
|