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MdeModulePkg: PI1.4 DxeCore GetMemoryMap() update

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PI1.4: Updates DxeCore to add all EfiGcdMemoryTypeReserved memory
into UEFI 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@17253 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Liming Gao
2015-04-29 05:11:21 +00:00
committed by lgao4
parent a1b7065b2e
commit ba2c052791
1 changed files with 31 additions and 37 deletions
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30
MdeModulePkg/Core/Dxe/Mem/Page.c
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@ -1530,7 +1530,7 @@ CoreGetMemoryMap (
EFI_STATUS Status;
UINTN Size;
UINTN BufferSize;
UINTN NumberOfRuntimePersistentEntries;
UINTN NumberOfEntries;
LIST_ENTRY *Link;
MEMORY_MAP *Entry;
EFI_GCD_MAP_ENTRY *GcdMapEntry;
@ -1547,21 +1547,17 @@ CoreGetMemoryMap (
CoreAcquireGcdMemoryLock ();
//
// Count the number of Reserved and MMIO entries that are marked for runtime use
// Count the number of Reserved and runtime MMIO entries
// And, count the number of Persistent entries.
//
NumberOfRuntimePersistentEntries = 0;
NumberOfEntries = 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) {
NumberOfRuntimePersistentEntries ++;
}
}
if (GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypePersistentMemory) {
NumberOfRuntimePersistentEntries ++;
if ((GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypePersistentMemory) ||
(GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeReserved) ||
((GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) &&
((GcdMapEntry->Attributes & EFI_MEMORY_RUNTIME) == EFI_MEMORY_RUNTIME))) {
NumberOfEntries ++;
}
}
@ -1587,7 +1583,7 @@ CoreGetMemoryMap (
//
// Compute the buffer size needed to fit the entire map
//
BufferSize = Size * NumberOfRuntimePersistentEntries;
BufferSize = Size * NumberOfEntries;
for (Link = gMemoryMap.ForwardLink; Link != &gMemoryMap; Link = Link->ForwardLink) {
BufferSize += Size;
}
@ -1652,11 +1648,10 @@ CoreGetMemoryMap (
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) {
((GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo) &&
((GcdMapEntry->Attributes & EFI_MEMORY_RUNTIME) == EFI_MEMORY_RUNTIME))) {
//
// Create EFI_MEMORY_DESCRIPTOR for every Reserved and MMIO GCD entries
// that are marked for runtime use
// Create EFI_MEMORY_DESCRIPTOR for every Reserved and runtime MMIO GCD entries
//
MemoryMap->PhysicalStart = GcdMapEntry->BaseAddress;
MemoryMap->VirtualStart = 0;
@ -1679,7 +1674,6 @@ CoreGetMemoryMap (
//
MemoryMap = MergeMemoryMapDescriptor (MemoryMapStart, MemoryMap, Size);
}
}
if (GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypePersistentMemory) {
//