ArmPlatformPkg/ArmPlatformLib: Added ArmPlatformGetPrimaryCoreMpId()

[mirror_edk2.git] / ArmPlatformPkg / Library / ArmPlatformLibNull / Arm / ArmPlatformHelper.S

diff --git a/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S b/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S
index 47bf9c8946c15e4185f3f55d207041ebbce4c5be..e6f2a9e3801ccf83e07b5160a27fd6df5ed36750 100644 (file)
--- a/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S
+++ b/ArmPlatformPkg/Library/ArmPlatformLibNull/Arm/ArmPlatformHelper.S
@@ -18,6 +18,7 @@
 .align 3\r
 \r
 GCC_ASM_EXPORT(ArmPlatformGetCorePosition)\r
+GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)\r
 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)\r
 \r
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)\r
@@ -33,6 +34,14 @@ ASM_PFX(ArmPlatformGetCorePosition):
   add  r0, r1, r0, LSR #7\r
   bx   lr\r
 \r
+//UINTN\r
+//ArmPlatformGetPrimaryCoreMpId (\r
+//  VOID\r
+//  );\r
+ASM_PFX(ArmPlatformGetPrimaryCoreMpId):\r
+  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r0)\r
+  ldr   r0, [r0]\r
+  bx    lr\r
 \r
 //UINTN\r
 //ArmPlatformIsPrimaryCore (\r