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-rw-r--r--BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.S12
-rw-r--r--BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.asm13
2 files changed, 25 insertions, 0 deletions
diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.S b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.S
index 1d0b090774..0d50cbd45a 100644
--- a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.S
+++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.S
@@ -18,8 +18,11 @@
.align 2
GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
+GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
+GCC_ASM_IMPORT(ArmReadMpidr)
+
//UINTN
//ArmPlatformIsPrimaryCore (
// IN UINTN MpId
@@ -32,4 +35,13 @@ ASM_PFX(ArmPlatformIsPrimaryCore):
ASM_PFX(ArmPlatformPeiBootAction):
bx lr
+//UINTN
+//ArmPlatformGetPrimaryCoreMpId (
+// VOID
+// );
+ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
+ // The BeagleBoard is a uniprocessor platform. The MPIDR of primary core is
+ // always the MPIDR of the calling CPU.
+ b ASM_PFX(ArmReadMpidr)
+
ASM_FUNCTION_REMOVE_IF_UNREFERENCED
diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.asm b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.asm
index a05747717f..b850d9858e 100644
--- a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.asm
+++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardHelper.asm
@@ -20,6 +20,9 @@
EXPORT ArmPlatformPeiBootAction
EXPORT ArmPlatformIsPrimaryCore
+ EXPORT ArmPlatformGetPrimaryCoreMpId
+
+ IMPORT ArmReadMpidr
AREA BeagleBoardHelper, CODE, READONLY
@@ -37,4 +40,14 @@ ArmPlatformPeiBootAction FUNCTION
bx lr
ENDFUNC
+//UINTN
+//ArmPlatformGetPrimaryCoreMpId (
+// VOID
+// );
+ArmPlatformGetPrimaryCoreMpId FUNCTION
+ // The BeagleBoard is a uniprocessor platform. The MPIDR of primary core is
+ // always the MPIDR of the calling CPU.
+ b ArmReadMpidr
+ ENDFUNC
+
END