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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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68
MdeModulePkg/Core/Dxe/Gcd/Gcd.c
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@@ -3,7 +3,7 @@
The GCD services are used to manage the memory and I/O regions that
are accessible to the CPU that is executing the DXE core.
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2014, Intel Corporation. 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
@@ -798,7 +798,7 @@ CoreConvertSpace (
}
break;
//
// Set attribute operations
// Set attributes operation
//
case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:
if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {
@@ -812,6 +812,23 @@ CoreConvertSpace (
goto Done;
}
break;
//
// Set capabilities operation
//
case GCD_SET_CAPABILITIES_MEMORY_OPERATION:
if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
//
// Current attributes must still be supported with new capabilities
//
if ((Capabilities & Entry->Attributes) != Entry->Attributes) {
Status = EFI_UNSUPPORTED;
goto Done;
}
break;
}
Link = Link->ForwardLink;
}
@@ -891,11 +908,17 @@ CoreConvertSpace (
Entry->GcdIoType = EfiGcdIoTypeNonExistent;
break;
//
// Set attribute operations
// Set attributes operation
//
case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:
Entry->Attributes = Attributes;
break;
//
// Set capabilities operation
//
case GCD_SET_CAPABILITIES_MEMORY_OPERATION:
Entry->Capabilities = Capabilities;
break;
}
Link = Link->ForwardLink;
}
@@ -1558,6 +1581,45 @@ 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
)
{
EFI_STATUS Status;
DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));
DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));
Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);
if (!EFI_ERROR(Status)) {
CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities);
}
return Status;
}
/**
Returns a map of the memory resources in the global coherency domain of the
processor.