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MdeModulePkg: Add support for UEFI2.5 and PI1.4 PersistentMemory feature

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Update DxeCore to collect PersistentMemory resource and report them
in EFI memory map.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17242 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Liming Gao
2015-04-29 01:37:05 +00:00
committed by lgao4
parent 6c98edac30
commit a671a0120a
5 changed files with 45 additions and 10 deletions
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34
MdeModulePkg/Core/Dxe/Mem/Page.c
View File

@@ -67,6 +67,7 @@ EFI_MEMORY_TYPE_STATISTICS mMemoryTypeStatistics[EfiMaxMemoryType + 1] = {
{ 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIO
{ 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIOPortSpace
{ 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiPalCode
{ 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiPersistentMemory
{ 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE } // EfiMaxMemoryType
};
@@ -88,6 +89,7 @@ EFI_MEMORY_TYPE_INFORMATION gMemoryTypeInformation[EfiMaxMemoryType + 1] = {
{ EfiMemoryMappedIO, 0 },
{ EfiMemoryMappedIOPortSpace, 0 },
{ EfiPalCode, 0 },
{ EfiPersistentMemory, 0 },
{ EfiMaxMemoryType, 0 }
};
//
@@ -1198,7 +1200,7 @@ CoreInternalAllocatePages (
}
if ((MemoryType >= EfiMaxMemoryType && MemoryType <= 0x7fffffff) ||
MemoryType == EfiConventionalMemory) {
(MemoryType == EfiConventionalMemory) || (MemoryType == EfiPersistentMemory)) {
return EFI_INVALID_PARAMETER;
}
@@ -1528,7 +1530,7 @@ CoreGetMemoryMap (
EFI_STATUS Status;
UINTN Size;
UINTN BufferSize;
UINTN NumberOfRuntimeEntries;
UINTN NumberOfRuntimePersistentEntries;
LIST_ENTRY *Link;
MEMORY_MAP *Entry;
EFI_GCD_MAP_ENTRY *GcdMapEntry;
@@ -1546,16 +1548,21 @@ CoreGetMemoryMap (
//
// Count the number of Reserved and MMIO entries that are marked for runtime use
// And, count the number of Persistent entries.
//
NumberOfRuntimeEntries = 0;
NumberOfRuntimePersistentEntries = 0;
for (Link = mGcdMemorySpaceMap.ForwardLink; Link != &mGcdMemorySpaceMap; Link = Link->ForwardLink) {
GcdMapEntry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);
if ((GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeReserved) ||
(GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo)) {
if ((GcdMapEntry->Attributes & EFI_MEMORY_RUNTIME) == EFI_MEMORY_RUNTIME) {
NumberOfRuntimeEntries++;
NumberOfRuntimePersistentEntries ++;
}
}
if (GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypePersistentMemory) {
NumberOfRuntimePersistentEntries ++;
}
}
Size = sizeof (EFI_MEMORY_DESCRIPTOR);
@@ -1580,7 +1587,7 @@ CoreGetMemoryMap (
//
// Compute the buffer size needed to fit the entire map
//
BufferSize = Size * NumberOfRuntimeEntries;
BufferSize = Size * NumberOfRuntimePersistentEntries;
for (Link = gMemoryMap.ForwardLink; Link != &gMemoryMap; Link = Link->ForwardLink) {
BufferSize += Size;
}
@@ -1673,6 +1680,23 @@ CoreGetMemoryMap (
MemoryMap = MergeMemoryMapDescriptor (MemoryMapStart, MemoryMap, Size);
}
}
if (GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypePersistentMemory) {
//
// Create EFI_MEMORY_DESCRIPTOR for every Persistent GCD entries
//
MemoryMap->PhysicalStart = GcdMapEntry->BaseAddress;
MemoryMap->VirtualStart = 0;
MemoryMap->NumberOfPages = RShiftU64 ((GcdMapEntry->EndAddress - GcdMapEntry->BaseAddress + 1), EFI_PAGE_SHIFT);
MemoryMap->Attribute = GcdMapEntry->Attributes | EFI_MEMORY_NV;
MemoryMap->Type = EfiPersistentMemory;
//
// Check to see if the new Memory Map Descriptor can be merged with an
// existing descriptor if they are adjacent and have the same attributes
//
MemoryMap = MergeMemoryMapDescriptor (MemoryMapStart, MemoryMap, Size);
}
}
//

5
MdeModulePkg/Core/Dxe/Mem/Pool.c
View File

@@ -1,7 +1,7 @@
/** @file
UEFI Memory pool management functions.
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2015, 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
@@ -197,6 +197,7 @@ LookupPoolHead (
pool
@retval EFI_INVALID_PARAMETER PoolType not valid or Buffer is NULL.
PoolType was EfiPersistentMemory.
@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
@retval EFI_SUCCESS Pool successfully allocated.
@@ -215,7 +216,7 @@ CoreInternalAllocatePool (
// If it's not a valid type, fail it
//
if ((PoolType >= EfiMaxMemoryType && PoolType <= 0x7fffffff) ||
PoolType == EfiConventionalMemory) {
(PoolType == EfiConventionalMemory) || (PoolType == EfiPersistentMemory)) {
return EFI_INVALID_PARAMETER;
}