diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-06-15 17:54:10 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-07-07 14:33:47 +0200 |
| commit | 12728e1137d37debdf6b98a8b8689106b4584908 (patch) | |
| tree | 7b63fd1d1f4c90172fa96d5cecc8c5af9e885567 | |
| parent | 1c03582b070a8feb0b43539cd918a37e3bd5b8da (diff) | |
| download | edk2-platforms-12728e1137d37debdf6b98a8b8689106b4584908.tar.xz | |
ArmPkg: introduce ArmMmuLib library class
Introduce the library class ArmMmuLib, which encapsulates the functionality
to set up and modify page table entries.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
| -rw-r--r-- | ArmPkg/ArmPkg.dec | 1 | ||||
| -rw-r--r-- | ArmPkg/Include/Library/ArmMmuLib.h | 65 |
2 files changed, 66 insertions, 0 deletions
diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec index 75c238aa1e..c189117c67 100644 --- a/ArmPkg/ArmPkg.dec +++ b/ArmPkg/ArmPkg.dec @@ -34,6 +34,7 @@ [LibraryClasses.common]
ArmLib|Include/Library/ArmLib.h
+ ArmMmuLib|Include/Library/ArmMmuLib.h
SemihostLib|Include/Library/Semihosting.h
UncachedMemoryAllocationLib|Include/Library/UncachedMemoryAllocationLib.h
DefaultExceptionHandlerLib|Include/Library/DefaultExceptionHandlerLib.h
diff --git a/ArmPkg/Include/Library/ArmMmuLib.h b/ArmPkg/Include/Library/ArmMmuLib.h new file mode 100644 index 0000000000..c1d43872d5 --- /dev/null +++ b/ArmPkg/Include/Library/ArmMmuLib.h @@ -0,0 +1,65 @@ +/** @file
+
+ Copyright (c) 2015 - 2016, Linaro Ltd. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __ARM_MMU_LIB__
+#define __ARM_MMU_LIB__
+
+#include <Uefi/UefiBaseType.h>
+
+#include <Library/ArmLib.h>
+
+EFI_STATUS
+EFIAPI
+ArmConfigureMmu (
+ IN ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable,
+ OUT VOID **TranslationTableBase OPTIONAL,
+ OUT UINTN *TranslationTableSize OPTIONAL
+ );
+
+EFI_STATUS
+EFIAPI
+ArmSetMemoryRegionNoExec (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ );
+
+EFI_STATUS
+EFIAPI
+ArmClearMemoryRegionNoExec (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ );
+
+EFI_STATUS
+EFIAPI
+ArmSetMemoryRegionReadOnly (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ );
+
+EFI_STATUS
+EFIAPI
+ArmClearMemoryRegionReadOnly (
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
+ );
+
+VOID
+EFIAPI
+ArmReplaceLiveTranslationEntry (
+ IN UINT64 *Entry,
+ IN UINT64 Value
+ );
+
+#endif
|