From b6f16ba332354607f73f5cb871ec0907d5923070 Mon Sep 17 00:00:00 2001 From: Michael Kinney Date: Tue, 17 Nov 2015 05:12:32 +0000 Subject: UefiCpuPkg: LocalApicLib: Add API to set SoftwareEnable bit The LocalApicLib does not provide a function to manage the state of the Local APIC SoftwareEnable bit in the Spurious Vector register. There are cases where this bit needs to be managed without side effects to. other Local APIC registers. One use case is in the DebugAgent in the SourceLevelDebugPkg. (Sync patch r18711 from main trunk.) Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Michael Kinney Reviewed-by: Hao Wu Reviewed-by: Jeff Fan git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2015@18848 6f19259b-4bc3-4df7-8a09-765794883524 --- UefiCpuPkg/Include/Library/LocalApicLib.h | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'UefiCpuPkg/Include') diff --git a/UefiCpuPkg/Include/Library/LocalApicLib.h b/UefiCpuPkg/Include/Library/LocalApicLib.h index b92b99e115..cd4e613ef5 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 - 2014, Intel Corporation. All rights reserved.
+ Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.
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 @@ -227,6 +227,20 @@ SendInitSipiSipiAllExcludingSelf ( IN UINT32 StartupRoutine ); +/** + Initialize the state of the SoftwareEnable bit in the Local APIC + Spurious Interrupt Vector register. + + @param Enable If TRUE, then set SoftwareEnable to 1 + If FALSE, then set SoftwareEnable to 0. + +**/ +VOID +EFIAPI +InitializeLocalApicSoftwareEnable ( + IN BOOLEAN Enable + ); + /** Programming Virtual Wire Mode. -- cgit v1.2.3