--- /dev/null
+//\r
+// Copyright (c) 2012, ARM Limited. All rights reserved.\r
+//\r
+// This program and the accompanying materials\r
+// are licensed and made available under the terms and conditions of the BSD License\r
+// which accompanies this distribution. The full text of the license may be found at\r
+// http://opensource.org/licenses/bsd-license.php\r
+//\r
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+//\r
+//\r
+\r
+#include <AsmMacroIoLib.h>\r
+#include <Library/ArmLib.h>\r
+\r
+ INCLUDE AsmMacroIoLib.inc\r
+\r
+ EXPORT ArmPlatformGetCorePosition\r
+ EXPORT ArmPlatformIsPrimaryCore\r
+\r
+ IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore\r
+ IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask\r
+ \r
+ PRESERVE8\r
+ AREA ArmPlatformNullHelper, CODE, READONLY\r
+\r
+//UINTN\r
+//ArmPlatformGetCorePosition (\r
+// IN UINTN MpId\r
+// );\r
+ArmPlatformGetCorePosition FUNCTION\r
+ and r1, r0, #ARM_CORE_MASK\r
+ and r0, r0, #ARM_CLUSTER_MASK\r
+ add r0, r1, r0, LSR #7\r
+ bx lr\r
+ ENDFUNC\r
+\r
+//UINTN\r
+//ArmPlatformIsPrimaryCore (\r
+// IN UINTN MpId\r
+// );\r
+ArmPlatformIsPrimaryCore FUNCTION\r
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1)\r
+ ldr r1, [r1]\r
+ and r0, r0, r1\r
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1)\r
+ ldr r1, [r1]\r
+ cmp r0, r1\r
+ moveq r0, #1\r
+ movne r0, #0\r
+ bx lr\r
+ ENDFUNC\r
+\r
+ END\r
+\r