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1) Improve the EFI Memory Map stability to improve ACPI S4 support

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2) Update DXE IPL to always publish the MemoryTypeInformation HOB



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4327 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney
2007-11-27 02:47:37 +00:00
parent 7a5064ce42
commit b74350e956
4 changed files with 80 additions and 26 deletions
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69
MdeModulePkg/Core/Dxe/Mem/Page.c
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@@ -33,7 +33,10 @@ typedef struct {
EFI_PHYSICAL_ADDRESS BaseAddress;
EFI_PHYSICAL_ADDRESS MaximumAddress;
UINT64 CurrentNumberOfPages;
UINT64 NumberOfPages;
UINTN InformationIndex;
BOOLEAN Special;
BOOLEAN Runtime;
} EFI_MEMORY_TYPE_STAISTICS;
//
@@ -57,21 +60,21 @@ LIST_ENTRY mFreeMemoryMapEntryList = INITIALIZE_LIST_HEAD_VARIABLE (mFreeMemo
BOOLEAN mMemoryTypeInformationInitialized = FALSE;
EFI_MEMORY_TYPE_STAISTICS mMemoryTypeStatistics[EfiMaxMemoryType + 1] = {
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiReservedMemoryType
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiLoaderCode
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiLoaderData
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiBootServicesCode
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiBootServicesData
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiRuntimeServicesCode
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiRuntimeServicesData
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiConventionalMemory
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiUnusableMemory
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiACPIReclaimMemory
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiACPIMemoryNVS
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiMemoryMappedIO
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiMemoryMappedIOPortSpace
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType }, // EfiPalCode
{ 0, EFI_MAX_ADDRESS, 0, EfiMaxMemoryType } // EfiMaxMemoryType
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiReservedMemoryType
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiLoaderCode
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiLoaderData
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiBootServicesCode
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiBootServicesData
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiRuntimeServicesCode
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiRuntimeServicesData
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiConventionalMemory
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiUnusableMemory
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiACPIReclaimMemory
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiACPIMemoryNVS
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIO
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIOPortSpace
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiPalCode
{ 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE } // EfiMaxMemoryType
};
EFI_PHYSICAL_ADDRESS mDefaultMaximumAddress = EFI_MAX_ADDRESS;
@@ -397,6 +400,7 @@ Returns:
mMemoryTypeStatistics[Type].BaseAddress,
gMemoryTypeInformation[Index].NumberOfPages
);
mMemoryTypeStatistics[Type].NumberOfPages = gMemoryTypeInformation[Index].NumberOfPages;
gMemoryTypeInformation[Index].NumberOfPages = 0;
}
}
@@ -1363,6 +1367,7 @@ Returns:
LIST_ENTRY *Link;
MEMORY_MAP *Entry;
EFI_GCD_MAP_ENTRY *GcdMapEntry;
EFI_MEMORY_TYPE Type;
//
// Make sure the parameters are valid
@@ -1432,21 +1437,33 @@ Returns:
Entry = CR (Link, MEMORY_MAP, Link, MEMORY_MAP_SIGNATURE);
ASSERT (Entry->VirtualStart == 0);
//
// Convert internal map into an EFI_MEMORY_DESCRIPTOR
//
MemoryMap->Type = Entry->Type;
MemoryMap->PhysicalStart = Entry->Start;
MemoryMap->VirtualStart = Entry->VirtualStart;
MemoryMap->NumberOfPages = RShiftU64 (Entry->End - Entry->Start + 1, EFI_PAGE_SHIFT);
switch (Entry->Type) {
case EfiRuntimeServicesCode:
case EfiRuntimeServicesData:
case EfiPalCode:
MemoryMap->Attribute = Entry->Attribute | EFI_MEMORY_RUNTIME;
break;
default:
MemoryMap->Attribute = Entry->Attribute;
break;
//
// If the memory type is EfiConventionalMemory, then determine if the range is part of a
// memory type bin and needs to be converted to the same memory type as the rest of the
// memory type bin in order to minimize EFI Memory Map changes across reboots. This
// improves the chances for a successful S4 resume in the presence of minor page allocation
// differences across reboots.
//
if (MemoryMap->Type == EfiConventionalMemory) {
for (Type = (EFI_MEMORY_TYPE) 0; Type < EfiMaxMemoryType; Type++) {
if (mMemoryTypeStatistics[Type].Special &&
mMemoryTypeStatistics[Type].NumberOfPages > 0 &&
Entry->Start >= mMemoryTypeStatistics[Type].BaseAddress &&
Entry->End <= mMemoryTypeStatistics[Type].MaximumAddress ) {
MemoryMap->Type = Type;
}
}
}
MemoryMap->Attribute = Entry->Attribute;
if (mMemoryTypeStatistics[MemoryMap->Type].Runtime) {
MemoryMap->Attribute |= EFI_MEMORY_RUNTIME;
}
MemoryMap = NextMemoryDescriptor (MemoryMap, Size);