diff options
Diffstat (limited to 'ArmPkg/Include/Library')
-rw-r--r-- | ArmPkg/Include/Library/ArmLib.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h index 9b4a036bef..50cd50212f 100644 --- a/ArmPkg/Include/Library/ArmLib.h +++ b/ArmPkg/Include/Library/ArmLib.h @@ -1,6 +1,7 @@ /** @file Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> + Copyright (c) 2011 - 2012, ARM 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 @@ -47,15 +48,21 @@ typedef struct { UINTN InstructionCacheLineLength; } ARM_CACHE_INFO; +/** + * The UEFI firmware must not use the ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_* attributes. + * + * The Non Secure memory attribute (ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_*) should only + * be used in Secure World to distinguished Secure to Non-Secure memory. + */ typedef enum { ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED = 0, - ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED, + ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED, ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK, - ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK, + ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK, ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH, - ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH, + ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH, ARM_MEMORY_REGION_ATTRIBUTE_DEVICE, - ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE + ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE } ARM_MEMORY_REGION_ATTRIBUTES; #define IS_ARM_MEMORY_REGION_ATTRIBUTES_SECURE(attr) ((UINT32)(attr) & 1) |