diff options
Diffstat (limited to 'ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S')
-rw-r--r-- | ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S b/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S new file mode 100644 index 0000000000..286327956a --- /dev/null +++ b/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S @@ -0,0 +1,30 @@ +//
+// Copyright (c) 2012, ARM Limited. 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
+// http://opensource.org/licenses/bsd-license.php
+//
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+//
+
+#include <Library/ArmLib.h>
+
+.text
+.align 3
+
+GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
+
+//UINTN
+//ArmPlatformGetCorePosition (
+// IN UINTN MpId
+// );
+ASM_PFX(ArmPlatformGetCorePosition):
+ and r1, r0, #ARM_CORE_MASK
+ and r0, r0, #ARM_CLUSTER_MASK
+ add r0, r1, r0, LSR #7
+ bx lr
+
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