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MdePkg/MdeModulePkg: Implement the missing SetMemorySpaceCapabilities function.

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It is defined in the PI Specification version 1.3.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eugene Cohen <eugene@hp.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16409 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Eugene Cohen
2014-11-20 01:23:49 +00:00
committed by lzeng14
parent 48af14fd14
commit 771ee5017b
6 changed files with 271 additions and 49 deletions
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50
MdeModulePkg/Core/Dxe/DxeMain.h
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@@ -1863,7 +1863,7 @@ CoreGetMemorySpaceDescriptor (
resource range specified by BaseAddress and Length.
@retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource
range specified by BaseAddress and Length.
@retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by
@retval EFI_ACCESS_DENIED The attributes for the memory resource range specified by
BaseAddress and Length cannot be modified.
@retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of
the memory resource range.
@@ -1880,6 +1880,32 @@ CoreSetMemorySpaceAttributes (
);
/**
Modifies the capabilities for a memory region in the global coherency domain of the
processor.
@param BaseAddress The physical address that is the start address of a memory region.
@param Length The size in bytes of the memory region.
@param Capabilities The bit mask of capabilities that the memory region supports.
@retval EFI_SUCCESS The capabilities were set for the memory region.
@retval EFI_INVALID_PARAMETER Length is zero.
@retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the
memory region attributes currently in use.
@retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by
BaseAddress and Length cannot be modified.
@retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities
of the memory resource range.
**/
EFI_STATUS
EFIAPI
CoreSetMemorySpaceCapabilities (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN UINT64 Capabilities
);
/**
Returns a map of the memory resources in the global coherency domain of the
processor.
@@ -2816,4 +2842,26 @@ CoreUpdateProfile (
IN VOID *Buffer
);
/**
Internal function. Converts a memory range to use new attributes.
@param Start The first address of the range Must be page
aligned
@param NumberOfPages The number of pages to convert
@param NewAttributes The new attributes value for the range.
@retval EFI_INVALID_PARAMETER Invalid parameter
@retval EFI_NOT_FOUND Could not find a descriptor cover the specified
range or convertion not allowed.
@retval EFI_SUCCESS Successfully converts the memory range to the
specified attributes.
**/
VOID
CoreUpdateMemoryAttributes (
IN EFI_PHYSICAL_ADDRESS Start,
IN UINT64 NumberOfPages,
IN UINT64 NewAttributes
);
#endif