diff options
Diffstat (limited to 'ArmPkg/Library/ArmLib/Arm11/Arm11Support.asm')
| -rw-r--r-- | ArmPkg/Library/ArmLib/Arm11/Arm11Support.asm | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmLib/Arm11/Arm11Support.asm b/ArmPkg/Library/ArmLib/Arm11/Arm11Support.asm index e0be8f0c07..a2ed2e6f2a 100644 --- a/ArmPkg/Library/ArmLib/Arm11/Arm11Support.asm +++ b/ArmPkg/Library/ArmLib/Arm11/Arm11Support.asm @@ -21,6 +21,7 @@ EXPORT ArmCleanInvalidateDataCacheEntryByMVA EXPORT ArmEnableMmu EXPORT ArmDisableMmu + EXPORT ArmMmuEnabled EXPORT ArmEnableDataCache EXPORT ArmDisableDataCache EXPORT ArmEnableInstructionCache @@ -80,6 +81,11 @@ ArmEnableMmu mcr p15,0,R0,c1,c0,0 bx LR +ArmMmuEnabled + mrc p15,0,R0,c1,c0,0 + and R0,R0,#1 + bx LR + ArmDisableMmu mrc p15,0,R0,c1,c0,0 bic R0,R0,#1 |