diff options
Diffstat (limited to 'ArmPkg/Library/ArmLib/AArch64/ArmLibSupport.S')
| -rw-r--r-- | ArmPkg/Library/ArmLib/AArch64/ArmLibSupport.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmLib/AArch64/ArmLibSupport.S b/ArmPkg/Library/ArmLib/AArch64/ArmLibSupport.S index 9d3dd66b10..1ef2f61f59 100644 --- a/ArmPkg/Library/ArmLib/AArch64/ArmLibSupport.S +++ b/ArmPkg/Library/ArmLib/AArch64/ArmLibSupport.S @@ -187,4 +187,13 @@ ASM_FUNC(ArmReadSctlr) 3:mrs x0, sctlr_el3
4:ret
+ASM_FUNC(ArmWriteSctlr)
+ EL1_OR_EL2_OR_EL3(x1)
+1:msr sctlr_el1, x0
+ ret
+2:msr sctlr_el2, x0
+ ret
+3:msr sctlr_el3, x0
+4:ret
+
ASM_FUNCTION_REMOVE_IF_UNREFERENCED
|