diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-08-23 01:42:01 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-08-23 01:42:01 +0000 |
| commit | a66e0c7da759ce41b2615529f9d69627e23e5b08 (patch) | |
| tree | 67518f23ede088e7c223a6de7b980c8b18303e98 /UefiCpuPkg/Include | |
| parent | abef469fc1969f1142bf8add4275d573b4793e94 (diff) | |
| download | edk2-platforms-a66e0c7da759ce41b2615529f9d69627e23e5b08.tar.xz | |
1. Added SetLocalApicBaseAdress() and GetLocalApicBaseAddress() APIs in Local APIC library.
2. Updated Local APIC library instances to get Local APIC base Address by invoking GetLocalApicBaseAddress() instead of by PCD PcdCpuLocalApicBaseAddress.
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Kinney Michael D <michael.d.kinney@intel.com>
Reviewed-by: Rui Sun <rui.sun@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13668 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/Include')
| -rw-r--r-- | UefiCpuPkg/Include/Library/LocalApicLib.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/UefiCpuPkg/Include/Library/LocalApicLib.h b/UefiCpuPkg/Include/Library/LocalApicLib.h index 52914fa9bd..ed847b9579 100644 --- a/UefiCpuPkg/Include/Library/LocalApicLib.h +++ b/UefiCpuPkg/Include/Library/LocalApicLib.h @@ -4,7 +4,7 @@ Local APIC library assumes local APIC is enabled. It does not
handles cases where local APIC is disabled.
- Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2010 - 2012, 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
@@ -22,6 +22,32 @@ #define LOCAL_APIC_MODE_X2APIC 0x2 ///< x2APIC mode.
/**
+ Retrieve the base address of local APIC.
+
+ @return The base address of local APIC.
+
+**/
+UINTN
+EFIAPI
+GetLocalApicBaseAddress (
+ VOID
+ );
+
+/**
+ Set the base address of local APIC.
+
+ If BaseAddress is not aligned on a 4KB boundary, then ASSERT().
+
+ @param[in] BaseAddress Local APIC base address to be set.
+
+**/
+VOID
+EFIAPI
+SetLocalApicBaseAddress (
+ IN UINTN BaseAddress
+ );
+
+/**
Get the current local APIC mode.
If local APIC is disabled, then ASSERT.
|