ArmPkg: add ArmHasSecurityExtensions () helper function

[mirror_edk2.git] / ArmPkg / Library / ArmLib / Arm / ArmV7Lib.c

diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
index 3faada3a653945bc8a706ef288a152f499ae7859..9f81a7223732feb00404571ddc39a6079a584165 100644 (file)
--- a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
+++ b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
@@ -87,3 +87,18 @@ ArmHasGicSystemRegisters (
 {\r
   return ((ArmReadIdPfr1 () & ARM_PFR1_GIC) != 0);\r
 }\r
+\r
+/**\r
+  Check whether the CPU supports the Security extensions\r
+\r
+  @return   Whether the Security extensions are implemented\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+ArmHasSecurityExtensions (\r
+  VOID\r
+  )\r
+{\r
+  return ((ArmReadIdPfr1 () & ARM_PFR1_SEC) != 0);\r
+}\r