From ecde59b2ddef1c0f262d69d533b24f2c2325fd69 Mon Sep 17 00:00:00 2001 From: Star Zeng Date: Mon, 11 May 2015 03:32:48 +0000 Subject: MdePkg: Add RO memory and resource HOB attribute definitions. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng Reviewed-by: Liming Gao git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17396 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Include/Pi/PiHob.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'MdePkg/Include/Pi') diff --git a/MdePkg/Include/Pi/PiHob.h b/MdePkg/Include/Pi/PiHob.h index fc523e1e8b..b24f95149b 100644 --- a/MdePkg/Include/Pi/PiHob.h +++ b/MdePkg/Include/Pi/PiHob.h @@ -255,6 +255,13 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE; #define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002 #define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004 #define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080 +// +// This is typically used as memory cacheability attribute today. +// NOTE: Since PI spec 1.4, please use EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED +// as Physical write protected attribute, and EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED +// means Memory cacheability attribute: The memory supports being programmed with +// a writeprotected cacheable attribute. +// #define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100 #define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200 #define EFI_RESOURCE_ATTRIBUTE_PERSISTENT 0x00800000 @@ -274,10 +281,20 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE; #define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000 #define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000 #define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE 0x00100000 +// +// This is typically used as memory cacheability attribute today. +// NOTE: Since PI spec 1.4, please use EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE +// as Memory capability attribute: The memory supports being protected from processor +// writes, and EFI_RESOURCE_ATTRIBUTE_WRITE_PROTEC TABLE means Memory cacheability attribute: +// The memory supports being programmed with a writeprotected cacheable attribute. +// #define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE 0x00200000 #define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE 0x00400000 #define EFI_RESOURCE_ATTRIBUTE_PERSISTABLE 0x01000000 +#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED 0x00040000 +#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE 0x00800000 + /// /// Describes the resource properties of all fixed, /// nonrelocatable resource ranges found on the processor -- cgit v1.2.3