Need to add some extra functions to the libraries to support paging in the CpuDxe driver (still working on that). Also looks like some of the .INF file hade the token used to search replace the copyright headers and not the headers so I updated that.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9716 6f19259b-4bc3-4df7-8a09-765794883524
2010-01-12 18:47:28 +00:00
parent 06dc4de11b
commit c2b5ca8b56
21 changed files with 200 additions and 14 deletions
--- 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