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
This commit is contained in:
vanjeff
2012-08-23 01:42:01 +00:00
parent abef469fc1
commit a66e0c7da7
5 changed files with 132 additions and 20 deletions

View File

@@ -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
@@ -21,6 +21,32 @@
#define LOCAL_APIC_MODE_XAPIC 0x1 ///< xAPIC mode.
#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.