1 files changed, 7 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
index b94239f78..d9e3c86b6 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S
@@ -19,6 +19,7 @@
 .align 2
 
 GCC_ASM_EXPORT(ArmIsMpCore)
+GCC_ASM_EXPORT(ArmHasMpExtensions)
 GCC_ASM_EXPORT(ArmEnableAsynchronousAbort)
 GCC_ASM_EXPORT(ArmDisableAsynchronousAbort)
 GCC_ASM_EXPORT(ArmEnableIrq)
@@ -44,6 +45,12 @@ ASM_PFX(ArmIsMpCore):
   movne   R0, #0
   bx      LR
 
+ASM_PFX(ArmHasMpExtensions):
+  mrc     p15,0,R0,c0,c0,5
+  // Get Multiprocessing extension (bit31)
+  lsr     R0, R0, #31
+  bx      LR
+
 ASM_PFX(ArmEnableAsynchronousAbort):
   cpsie   a
   isb