diff options
| author | AJFISH <AJFISH@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-01-12 18:47:28 +0000 |
|---|---|---|
| committer | AJFISH <AJFISH@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-01-12 18:47:28 +0000 |
| commit | c2b5ca8b562776a04359e72f13a95aed001af738 (patch) | |
| tree | 462b83c018a113ff4e3400ceacdfbe5c936d1d90 /ArmPkg/Library/ArmLib/Arm9/Arm9Support.S | |
| parent | 06dc4de11b391315b24ac0445991d0b11c861d42 (diff) | |
| download | edk2-platforms-c2b5ca8b562776a04359e72f13a95aed001af738.tar.xz | |
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
Diffstat (limited to 'ArmPkg/Library/ArmLib/Arm9/Arm9Support.S')
| -rw-r--r-- | ArmPkg/Library/ArmLib/Arm9/Arm9Support.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmLib/Arm9/Arm9Support.S b/ArmPkg/Library/ArmLib/Arm9/Arm9Support.S index 5c9afe9347..d76afb90f5 100644 --- a/ArmPkg/Library/ArmLib/Arm9/Arm9Support.S +++ b/ArmPkg/Library/ArmLib/Arm9/Arm9Support.S @@ -23,6 +23,7 @@ .globl ASM_PFX(ArmCleanInvalidateDataCacheEntryByMVA) .globl ASM_PFX(ArmEnableMmu) .globl ASM_PFX(ArmDisableMmu) +.globl ASM_PFX(ArmMmuEnabled) .globl ASM_PFX(ArmEnableDataCache) .globl ASM_PFX(ArmDisableDataCache) .globl ASM_PFX(ArmEnableInstructionCache) @@ -75,6 +76,11 @@ ASM_PFX(ArmEnableMmu): mcr p15,0,R0,c1,c0,0 bx LR +ASM_PFX(ArmMmuEnabled): + mrc p15,0,R0,c1,c0,0 + and R0,R0,#1 + bx LR + ASM_PFX(ArmDisableMmu): mrc p15,0,R0,c1,c0,0 bic R0,R0,#1 |