From 0787bc6184631f20f8bf3b4abd61630a4a9bc672 Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Thu, 22 Sep 2011 23:01:13 +0000 Subject: ArmPlatformPkg: Introduce Primary core macros On MpCore system, the primary core can now be any core of the system. To identify the primary core, you can use 'gArmTokenSpaceGuid.PcdArmPrimaryCoreMask' and 'gArmTokenSpaceGuid.PcdArmPrimaryCore'. These PCDs by default use the ClusterId and CoreId to identify the core. And the primary core is defined as the ClusetrId=0 and CoreId=0. The helper macros are: IS_PRIMARY_CORE(MpId), GET_CORE_ID(MpId), GET_CLUSTER_ID(MpId), GET_CORE_POS(MpId), PRIMARY_CORE_ID. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12412 6f19259b-4bc3-4df7-8a09-765794883524 --- ArmPkg/ArmPkg.dec | 5 +++++ ArmPkg/Include/Library/ArmLib.h | 8 ++++++++ 2 files changed, 13 insertions(+) (limited to 'ArmPkg') diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec index 7801b98928..65a97574c0 100644 --- a/ArmPkg/ArmPkg.dec +++ b/ArmPkg/ArmPkg.dec @@ -97,6 +97,11 @@ gArmTokenSpaceGuid.PcdSystemMemoryBase|0|UINT32|0x00000029 gArmTokenSpaceGuid.PcdSystemMemorySize|0|UINT32|0x0000002A + # Use ClusterId + CoreId to identify the PrimaryCore + gArmTokenSpaceGuid.PcdArmPrimaryCoreMask|0xF03|UINT32|0x00000031 + # The Primary Core is ClusterId[0] & CoreId[0] + gArmTokenSpaceGuid.PcdArmPrimaryCore|0|UINT32|0x00000037 + # # ARM MPCore MailBox PCDs # diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h index 468e663989..89d915a8df 100644 --- a/ArmPkg/Include/Library/ArmLib.h +++ b/ArmPkg/Include/Library/ArmLib.h @@ -73,6 +73,14 @@ typedef enum { ARM_PROCESSOR_MODE_MASK = 0x1F } ARM_PROCESSOR_MODE; +#define IS_PRIMARY_CORE(MpId) (((MpId) & PcdGet32(PcdArmPrimaryCoreMask)) == PcdGet32(PcdArmPrimaryCore)) +#define GET_CORE_ID(MpId) ((MpId) & 0x3) +#define GET_CLUSTER_ID(MpId) (((MpId) >> 6) & 0x3C) +// Get the position of the core for the Stack Offset (4 Core per Cluster) +// Position = (ClusterId * 4) + CoreId +#define GET_CORE_POS(MpId) ((((MpId) >> 6) & 0x3C) + ((MpId) & 0x3)) +#define PRIMARY_CORE_ID (PcdGet32(PcdArmPrimaryCore) & 0x3) + ARM_CACHE_TYPE EFIAPI ArmCacheType ( -- cgit v1.2.3