Revision: 17459
http://sourceforge.net/p/edk2/code/17459
Author: lzeng14
Date: 2015-05-18 01:27:25 +0000 (Mon, 18 May 2015)
Log Message:
-----------
MdePkg UefiSpec.h: Update comments for OEM reserved memory type.
UEFI 2.5 Spec:
MemoryType values in the range 0x70000000..0x7FFFFFFF
are reserved for OEM use.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <[email protected]>
Reviewed-by: Liming Gao <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h
Modified: trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h
===================================================================
--- trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h 2015-05-18 01:21:30 UTC (rev
17458)
+++ trunk/edk2/MdePkg/Include/Uefi/UefiSpec.h 2015-05-18 01:27:25 UTC (rev
17459)
@@ -1,8 +1,8 @@
/** @file
Include file that supports UEFI.
- This include file must contain things defined in the UEFI 2.4 specification.
- If a code construct is defined in the UEFI 2.4 specification it must be
included
+ This include file must contain things defined in the UEFI 2.5 specification.
+ If a code construct is defined in the UEFI 2.5 specification it must be
included
by this include file.
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
@@ -133,6 +133,11 @@
@param[in] Type The type of allocation to perform.
@param[in] MemoryType The type of memory to allocate.
+ MemoryType values in the range
0x70000000..0x7FFFFFFF
+ are reserved for OEM use. MemoryType values in
the range
+ 0x80000000..0xFFFFFFFF are reserved for use by
UEFI OS loaders
+ that are provided by operating system vendors.
The only illegal
+ memory type values are those in the range
EfiMaxMemoryType..0x6FFFFFFF.
@param[in] Pages The number of contiguous 4 KB pages to
allocate.
@param[in, out] Memory The pointer to a physical address. On input,
the way in which the address is
used depends on the value of Type.
@@ -141,9 +146,9 @@
@retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or
AllocateMaxAddress or AllocateAddress.
2) MemoryType is in the range
+ EfiMaxMemoryType..0x6FFFFFFF.
3) Memory is NULL.
4) MemoryType was EfiPersistentMemory.
- EfiMaxMemoryType..0x7FFFFFFF.
@retval EFI_OUT_OF_RESOURCES The pages could not be allocated.
@retval EFI_NOT_FOUND The requested pages could not be found.
@@ -215,6 +220,11 @@
Allocates pool memory.
@param[in] PoolType The type of pool to allocate.
+ MemoryType values in the range
0x70000000..0x7FFFFFFF
+ are reserved for OEM use. MemoryType values in
the range
+ 0x80000000..0xFFFFFFFF are reserved for use by
UEFI OS loaders
+ that are provided by operating system vendors.
The only illegal
+ memory type values are those in the range
EfiMaxMemoryType..0x6FFFFFFF.
@param[in] Size The number of bytes to allocate from the pool.
@param[out] Buffer A pointer to a pointer to the allocated buffer
if the call succeeds;
undefined otherwise.
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