ArmPkg/Library/ArmLib: add ArmWriteSctlr

[mirror_edk2.git] / ArmPkg / Library / ArmLib / Arm / ArmLibSupport.asm

diff --git a/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm b/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm
index 85b0feee20d43f98f33672bb39b3b19bacaedec8..219140c22b131884ec1f339f90f28d4e58b7dfe3 100644 (file)
--- a/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm
+++ b/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm
@@ -155,6 +155,9 @@
   mrc     p15, 0, r0, c1, c0, 0      // Read SCTLR into R0 (Read control register configuration data)\r
   bx      lr\r
 \r
+ RVCT_ASM_EXPORT ArmWriteSctlr\r
+  mcr     p15, 0, r0, c1, c0, 0\r
+  bx      lr\r
 \r
  RVCT_ASM_EXPORT ArmReadCpuActlr\r
   mrc     p15, 0, r0, c1, c0, 1\r