X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=ArmPlatformPkg%2FArmVExpressPkg%2FLibrary%2FArmVExpressLibRTSM%2FArm%2FRTSMHelper.S;h=847424fb4b9a6e78cd1676b5de9f4e98639122fe;hp=29775915294bda0441d44398dbf0fe6f5e498793;hb=d05ca26cb891d8491641c378db4b0a0fcfc599d1;hpb=bebda7ceec3d3024c76b3c2ed0c9b4e502a13d61

diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/Arm/RTSMHelper.S b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/Arm/RTSMHelper.S
index 2977591529..847424fb4b 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/Arm/RTSMHelper.S
+++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/Arm/RTSMHelper.S
@@ -23,6 +23,7 @@
 
 GCC_ASM_EXPORT(ArmGetCpuCountPerCluster)
 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
+GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
 
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)
@@ -36,6 +37,15 @@ ASM_PFX(ArmGetScuBaseAddress):
   mrc   p15, 4, r0, c15, c0, 0
   bx  lr
 
+//UINTN
+//ArmPlatformGetPrimaryCoreMpId (
+//  VOID
+//  );
+ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
+  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r0)
+  ldr   r0, [r0]
+  bx    lr
+
 # IN None
 # OUT r0 = number of cores present in the system
 ASM_PFX(ArmGetCpuCountPerCluster):