The GCD services are used to manage the memory and I/O regions that\r
are accessible to the CPU that is executing the DXE core.\r
\r
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r
EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r
EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r
+ EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r
EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r
EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r
- EFI_RESOURCE_ATTRIBUTE_64_BIT_IO )\r
+ EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r
+ EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r
\r
#define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r
EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r
};\r
\r
GCD_ATTRIBUTE_CONVERSION_ENTRY mAttributeConversionTable[] = {\r
- { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED, EFI_MEMORY_RP, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED, EFI_MEMORY_WP, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED, EFI_MEMORY_XP, TRUE },\r
- { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r
- { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r
- { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r
- { 0, 0, FALSE }\r
+ { EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE, EFI_MEMORY_UC, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED, EFI_MEMORY_UCE, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE, EFI_MEMORY_WC, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE, EFI_MEMORY_WT, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, EFI_MEMORY_WB, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE, EFI_MEMORY_RP, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE, EFI_MEMORY_WP, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE, EFI_MEMORY_XP, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE, EFI_MEMORY_RO, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_PRESENT, EFI_MEMORY_PRESENT, FALSE },\r
+ { EFI_RESOURCE_ATTRIBUTE_INITIALIZED, EFI_MEMORY_INITIALIZED, FALSE },\r
+ { EFI_RESOURCE_ATTRIBUTE_TESTED, EFI_MEMORY_TESTED, FALSE },\r
+ { EFI_RESOURCE_ATTRIBUTE_PERSISTABLE, EFI_MEMORY_NV, TRUE },\r
+ { EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE, EFI_MEMORY_MORE_RELIABLE, TRUE },\r
+ { 0, 0, FALSE }\r
};\r
\r
///\r
"Reserved ", // EfiGcdMemoryTypeReserved\r
"SystemMem", // EfiGcdMemoryTypeSystemMemory\r
"MMIO ", // EfiGcdMemoryTypeMemoryMappedIo\r
+ "PersisMem", // EfiGcdMemoryTypePersistentMemory\r
+ "MoreRelia", // EfiGcdMemoryTypeMoreReliable\r
"Unknown " // EfiGcdMemoryTypeMaximum\r
};\r
\r
UINTN Index;\r
\r
Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r
- ASSERT_EFI_ERROR (Status);\r
+ ASSERT (Status == EFI_SUCCESS && MemorySpaceMap != NULL);\r
\r
if (InitialMap) {\r
DEBUG ((DEBUG_GCD, "GCD:Initial GCD Memory Space Map\n"));\r
UINTN Index;\r
\r
Status = CoreGetIoSpaceMap (&NumberOfDescriptors, &IoSpaceMap);\r
- ASSERT_EFI_ERROR (Status);\r
+ ASSERT (Status == EFI_SUCCESS && IoSpaceMap != NULL);\r
\r
if (InitialMap) {\r
DEBUG ((DEBUG_GCD, "GCD:Initial GCD I/O Space Map\n"));\r
);\r
}\r
\r
+/**\r
+ Validate resource descriptor HOB's attributes.\r
+\r
+ If Attributes includes some memory resource's settings, it should include \r
+ the corresponding capabilites also.\r
+\r
+ @param Attributes Resource descriptor HOB attributes.\r
\r
+**/\r
+VOID\r
+CoreValidateResourceDescriptorHobAttributes (\r
+ IN UINT64 Attributes\r
+ )\r
+{\r
+ ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED) == 0) ||\r
+ ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE) != 0));\r
+ ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED) == 0) ||\r
+ ((Attributes & EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE) != 0));\r
+ ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED) == 0) ||\r
+ ((Attributes & EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE) != 0));\r
+ ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED) == 0) ||\r
+ ((Attributes & EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE) != 0));\r
+ ASSERT (((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == 0) ||\r
+ ((Attributes & EFI_RESOURCE_ATTRIBUTE_PERSISTABLE) != 0));\r
+}\r
\r
/**\r
Acquire memory lock on mGcdMemorySpaceLock.\r
)\r
{\r
ASSERT (Length != 0);\r
- ASSERT (TopEntry->Signature == 0);\r
- ASSERT (BottomEntry->Signature == 0);\r
\r
if (BaseAddress > Entry->BaseAddress) {\r
+ ASSERT (BottomEntry->Signature == 0);\r
+\r
CopyMem (BottomEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r
Entry->BaseAddress = BaseAddress;\r
BottomEntry->EndAddress = BaseAddress - 1;\r
}\r
\r
if ((BaseAddress + Length - 1) < Entry->EndAddress) {\r
+ ASSERT (TopEntry->Signature == 0);\r
+\r
CopyMem (TopEntry, Entry, sizeof (EFI_GCD_MAP_ENTRY));\r
TopEntry->BaseAddress = BaseAddress + Length;\r
Entry->EndAddress = BaseAddress + Length - 1;\r
@retval EFI_NOT_FOUND Free a non-using space or remove a non-exist\r
space, and so on.\r
@retval EFI_OUT_OF_RESOURCES No buffer could be allocated.\r
-\r
+ @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol\r
+ is not available yet.\r
**/\r
EFI_STATUS\r
CoreConvertSpace (\r
}\r
break;\r
//\r
- // Set attribute operations\r
+ // Set attributes operation\r
//\r
case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r
if ((Attributes & EFI_MEMORY_RUNTIME) != 0) {\r
goto Done;\r
}\r
break;\r
+ //\r
+ // Set capabilities operation\r
+ //\r
+ case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r
+ if ((BaseAddress & EFI_PAGE_MASK) != 0 || (Length & EFI_PAGE_MASK) != 0) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+\r
+ goto Done;\r
+ }\r
+ //\r
+ // Current attributes must still be supported with new capabilities\r
+ //\r
+ if ((Capabilities & Entry->Attributes) != Entry->Attributes) {\r
+ Status = EFI_UNSUPPORTED;\r
+ goto Done;\r
+ }\r
+ break;\r
}\r
Link = Link->ForwardLink;\r
}\r
//\r
CpuArchAttributes = ConverToCpuArchAttributes (Attributes);\r
if (CpuArchAttributes != INVALID_CPU_ARCH_ATTRIBUTES) {\r
- if (gCpu != NULL) {\r
+ if (gCpu == NULL) {\r
+ Status = EFI_NOT_AVAILABLE_YET;\r
+ } else {\r
Status = gCpu->SetMemoryAttributes (\r
gCpu,\r
BaseAddress,\r
Length,\r
CpuArchAttributes\r
);\r
- if (EFI_ERROR (Status)) {\r
- goto Done;\r
- }\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ CoreFreePool (TopEntry);\r
+ CoreFreePool (BottomEntry);\r
+ goto Done;\r
}\r
}\r
}\r
Entry->GcdIoType = EfiGcdIoTypeNonExistent;\r
break;\r
//\r
- // Set attribute operations\r
+ // Set attributes operation\r
//\r
case GCD_SET_ATTRIBUTES_MEMORY_OPERATION:\r
Entry->Attributes = Attributes;\r
break;\r
+ //\r
+ // Set capabilities operation\r
+ //\r
+ case GCD_SET_CAPABILITIES_MEMORY_OPERATION:\r
+ Entry->Capabilities = Capabilities;\r
+ break;\r
}\r
Link = Link->ForwardLink;\r
}\r
//\r
// Make sure parameters are valid\r
//\r
- if (GcdAllocateType < 0 || GcdAllocateType >= EfiGcdMaxAllocateType) {\r
+ if ((UINT32)GcdAllocateType >= EfiGcdMaxAllocateType) {\r
DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
return EFI_INVALID_PARAMETER;\r
}\r
- if (GcdMemoryType < 0 || GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r
+ if ((UINT32)GcdMemoryType >= EfiGcdMemoryTypeMaximum) {\r
DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
return EFI_INVALID_PARAMETER;\r
}\r
- if (GcdIoType < 0 || GcdIoType >= EfiGcdIoTypeMaximum) {\r
+ if ((UINT32)GcdIoType >= EfiGcdIoTypeMaximum) {\r
DEBUG ((DEBUG_GCD, " Status = %r\n", EFI_INVALID_PARAMETER));\r
return EFI_INVALID_PARAMETER;\r
}\r
IN EFI_HANDLE DeviceHandle OPTIONAL\r
)\r
{\r
- DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r
+ if (BaseAddress != NULL) {\r
+ DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r
+ } else {\r
+ DEBUG ((DEBUG_GCD, "GCD:AllocateMemorySpace(Base=<NULL>,Length=%016lx)\n", Length));\r
+ }\r
DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r
DEBUG ((DEBUG_GCD, " GcdMemoryType = %a\n", mGcdMemoryTypeNames[MIN (GcdMemoryType, EfiGcdMemoryTypeMaximum)]));\r
DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r
\r
Status = CoreInternalAddMemorySpace (GcdMemoryType, BaseAddress, Length, Capabilities);\r
\r
- if (!EFI_ERROR (Status) && GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r
+ if (!EFI_ERROR (Status) && ((GcdMemoryType == EfiGcdMemoryTypeSystemMemory) || (GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r
\r
- PageBaseAddress = PageAlignLength (BaseAddress);\r
+ PageBaseAddress = PageAlignAddress (BaseAddress);\r
PageLength = PageAlignLength (BaseAddress + Length - PageBaseAddress);\r
\r
Status = CoreAllocateMemorySpace (\r
@param Length Specified length\r
@param Attributes Specified attributes\r
\r
- @retval EFI_SUCCESS Successfully set attribute of a segment of\r
- memory space.\r
+ @retval EFI_SUCCESS The attributes were set for the memory region.\r
+ @retval EFI_INVALID_PARAMETER Length is zero. \r
+ @retval EFI_UNSUPPORTED The processor does not support one or more bytes of the memory\r
+ resource range specified by BaseAddress and Length.\r
+ @retval EFI_UNSUPPORTED The bit mask of attributes is not support for the memory resource\r
+ range specified by BaseAddress and Length.\r
+ @retval EFI_ACCESS_DEFINED The attributes for the memory resource range specified by\r
+ BaseAddress and Length cannot be modified.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of\r
+ the memory resource range.\r
+ @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r
+ not available yet.\r
\r
**/\r
EFI_STATUS\r
}\r
\r
\r
+/**\r
+ Modifies the capabilities for a memory region in the global coherency domain of the\r
+ processor.\r
+\r
+ @param BaseAddress The physical address that is the start address of a memory region.\r
+ @param Length The size in bytes of the memory region.\r
+ @param Capabilities The bit mask of capabilities that the memory region supports.\r
+\r
+ @retval EFI_SUCCESS The capabilities were set for the memory region.\r
+ @retval EFI_INVALID_PARAMETER Length is zero.\r
+ @retval EFI_UNSUPPORTED The capabilities specified by Capabilities do not include the\r
+ memory region attributes currently in use.\r
+ @retval EFI_ACCESS_DENIED The capabilities for the memory resource range specified by\r
+ BaseAddress and Length cannot be modified.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough system resources to modify the capabilities\r
+ of the memory resource range.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreSetMemorySpaceCapabilities (\r
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
+ IN UINT64 Length,\r
+ IN UINT64 Capabilities\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ DEBUG ((DEBUG_GCD, "GCD:CoreSetMemorySpaceCapabilities(Base=%016lx,Length=%016lx)\n", BaseAddress, Length));\r
+ DEBUG ((DEBUG_GCD, " Capabilities = %016lx\n", Capabilities));\r
+\r
+ Status = CoreConvertSpace (GCD_SET_CAPABILITIES_MEMORY_OPERATION, (EFI_GCD_MEMORY_TYPE) 0, (EFI_GCD_IO_TYPE) 0, BaseAddress, Length, Capabilities, 0);\r
+ if (!EFI_ERROR(Status)) {\r
+ CoreUpdateMemoryAttributes(BaseAddress, RShiftU64(Length, EFI_PAGE_SHIFT), Capabilities);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
/**\r
Returns a map of the memory resources in the global coherency domain of the\r
processor.\r
IN EFI_HANDLE DeviceHandle OPTIONAL\r
)\r
{\r
- DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r
+ if (BaseAddress != NULL) {\r
+ DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=%016lx,Length=%016lx)\n", *BaseAddress, Length));\r
+ } else {\r
+ DEBUG ((DEBUG_GCD, "GCD:AllocateIoSpace(Base=<NULL>,Length=%016lx)\n", Length));\r
+ }\r
DEBUG ((DEBUG_GCD, " GcdAllocateType = %a\n", mGcdAllocationTypeNames[MIN (GcdAllocateType, EfiGcdMaxAllocateType)]));\r
DEBUG ((DEBUG_GCD, " GcdIoType = %a\n", mGcdIoTypeNames[MIN (GcdIoType, EfiGcdIoTypeMaximum)]));\r
DEBUG ((DEBUG_GCD, " Alignment = %016lx\n", LShiftU64 (1, Alignment)));\r
// Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r
//\r
for (Capabilities = 0, Conversion = mAttributeConversionTable; Conversion->Attribute != 0; Conversion++) {\r
- if (Conversion->Memory || (GcdMemoryType != EfiGcdMemoryTypeSystemMemory)) {\r
+ if (Conversion->Memory || ((GcdMemoryType != EfiGcdMemoryTypeSystemMemory) && (GcdMemoryType != EfiGcdMemoryTypeMoreReliable))) {\r
if (Attributes & Conversion->Attribute) {\r
Capabilities |= Conversion->Capability;\r
}\r
return Capabilities;\r
}\r
\r
+/**\r
+ Calculate total memory bin size neeeded.\r
+\r
+ @return The total memory bin size neeeded.\r
+\r
+**/\r
+UINT64\r
+CalculateTotalMemoryBinSizeNeeded (\r
+ VOID\r
+ )\r
+{\r
+ UINTN Index;\r
+ UINT64 TotalSize;\r
+\r
+ //\r
+ // Loop through each memory type in the order specified by the gMemoryTypeInformation[] array\r
+ //\r
+ TotalSize = 0;\r
+ for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
+ TotalSize += LShiftU64 (gMemoryTypeInformation[Index].NumberOfPages, EFI_PAGE_SHIFT);\r
+ }\r
+\r
+ return TotalSize;\r
+}\r
\r
/**\r
External function. Initializes memory services based on the memory\r
UINT64 Length;\r
UINT64 Attributes;\r
UINT64 Capabilities;\r
- EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r
- UINT64 MaxMemoryLength;\r
- UINT64 MaxMemoryAttributes;\r
- EFI_PHYSICAL_ADDRESS MaxAddress;\r
+ EFI_PHYSICAL_ADDRESS TestedMemoryBaseAddress;\r
+ UINT64 TestedMemoryLength;\r
EFI_PHYSICAL_ADDRESS HighAddress;\r
- EFI_HOB_RESOURCE_DESCRIPTOR *MaxResourceHob;\r
EFI_HOB_GUID_TYPE *GuidHob;\r
- UINT32 ReservedCodePageNumber;\r
+ UINT32 ReservedCodePageNumber;\r
+ UINT64 MinimalMemorySizeNeeded;\r
\r
//\r
// Point at the first HOB. This must be the PHIT HOB.\r
// Initialize Local Variables\r
//\r
PhitResourceHob = NULL;\r
- MaxResourceHob = NULL;\r
ResourceHob = NULL;\r
BaseAddress = 0;\r
Length = 0;\r
Attributes = 0;\r
- MaxMemoryBaseAddress = 0;\r
- MaxMemoryLength = 0;\r
- MaxMemoryAttributes = 0;\r
\r
//\r
// Cache the PHIT HOB for later use\r
}\r
\r
//\r
- // Find the Resource Descriptor HOB that contains range FreeMemoryBaseAddress..FreeMemoryLength\r
+ // Include the total memory bin size needed to make sure memory bin could be allocated successfully.\r
+ //\r
+ MinimalMemorySizeNeeded = MINIMUM_INITIAL_MEMORY_SIZE + CalculateTotalMemoryBinSizeNeeded ();\r
+\r
+ //\r
+ // Find the Resource Descriptor HOB that contains PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r
//\r
- Length = 0;\r
Found = FALSE;\r
for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r
+ //\r
+ // Skip all HOBs except Resource Descriptor HOBs\r
+ //\r
+ if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
+ continue;\r
+ }\r
\r
- if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
-\r
- ResourceHob = Hob.ResourceDescriptor;\r
+ //\r
+ // Skip Resource Descriptor HOBs that do not describe tested system memory\r
+ //\r
+ ResourceHob = Hob.ResourceDescriptor;\r
+ if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r
+ continue;\r
+ }\r
+ if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r
+ continue;\r
+ }\r
\r
- if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r
- (ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES ) {\r
+ //\r
+ // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r
+ //\r
+ if (PhitHob->EfiFreeMemoryBottom < ResourceHob->PhysicalStart) {\r
+ continue;\r
+ }\r
+ if (PhitHob->EfiFreeMemoryTop > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r
+ continue;\r
+ }\r
\r
- if (PhitHob->EfiFreeMemoryBottom >= ResourceHob->PhysicalStart &&\r
- PhitHob->EfiFreeMemoryTop <= (ResourceHob->PhysicalStart + ResourceHob->ResourceLength) ) {\r
+ //\r
+ // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r
+ //\r
+ PhitResourceHob = ResourceHob;\r
+ Found = TRUE;\r
\r
- //\r
- // Cache the resource descriptor HOB for the memory region described by the PHIT HOB\r
- //\r
- PhitResourceHob = ResourceHob;\r
- Found = TRUE;\r
-\r
- Attributes = PhitResourceHob->ResourceAttribute;\r
- BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r
- Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r
- if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r
- BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r
- Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r
- if (Length < MINIMUM_INITIAL_MEMORY_SIZE) {\r
- BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r
- Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r
- }\r
- }\r
- break;\r
- }\r
+ //\r
+ // Compute range between PHIT EfiMemoryTop and the end of the Resource Descriptor HOB\r
+ //\r
+ Attributes = PhitResourceHob->ResourceAttribute;\r
+ BaseAddress = PageAlignAddress (PhitHob->EfiMemoryTop);\r
+ Length = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - BaseAddress);\r
+ if (Length < MinimalMemorySizeNeeded) {\r
+ //\r
+ // If that range is not large enough to intialize the DXE Core, then \r
+ // Compute range between PHIT EfiFreeMemoryBottom and PHIT EfiFreeMemoryTop\r
+ //\r
+ BaseAddress = PageAlignAddress (PhitHob->EfiFreeMemoryBottom);\r
+ Length = PageAlignLength (PhitHob->EfiFreeMemoryTop - BaseAddress);\r
+ if (Length < MinimalMemorySizeNeeded) {\r
+ //\r
+ // If that range is not large enough to intialize the DXE Core, then \r
+ // Compute range between the start of the Resource Descriptor HOB and the start of the HOB List\r
+ //\r
+ BaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r
+ Length = PageAlignLength ((UINT64)((UINTN)*HobStart - BaseAddress));\r
}\r
}\r
+ break;\r
}\r
\r
//\r
ASSERT (Found);\r
\r
//\r
- // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r
- // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r
- // The max address must be within the physically addressible range for the processor.\r
+ // Take the range in the resource descriptor HOB for the memory region described\r
+ // by the PHIT as higher priority if it is big enough. It can make the memory bin\r
+ // allocated to be at the same memory region with PHIT that has more better compatibility\r
+ // to avoid memory fragmentation for some code practices assume and allocate <4G ACPI memory.\r
//\r
- MaxMemoryLength = 0;\r
- MaxAddress = MAX_ADDRESS;\r
- do {\r
- HighAddress = 0;\r
- Found = FALSE;\r
+ if (Length < MinimalMemorySizeNeeded) {\r
//\r
- // Search for a tested memory region that is below MaxAddress\r
+ // Search all the resource descriptor HOBs from the highest possible addresses down for a memory\r
+ // region that is big enough to initialize the DXE core. Always skip the PHIT Resource HOB.\r
+ // The max address must be within the physically addressible range for the processor.\r
//\r
+ HighAddress = MAX_ADDRESS;\r
for (Hob.Raw = *HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r
+ //\r
+ // Skip the Resource Descriptor HOB that contains the PHIT\r
+ //\r
+ if (Hob.ResourceDescriptor == PhitResourceHob) {\r
+ continue;\r
+ }\r
+ //\r
+ // Skip all HOBs except Resource Descriptor HOBs\r
+ //\r
+ if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
+ continue;\r
+ }\r
\r
//\r
- // See if this is a resource descriptor HOB that does not contain the PHIT.\r
+ // Skip Resource Descriptor HOBs that do not describe tested system memory below MAX_ADDRESS\r
//\r
- if (Hob.ResourceDescriptor != PhitResourceHob && GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
+ ResourceHob = Hob.ResourceDescriptor;\r
+ if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r
+ continue;\r
+ }\r
+ if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r
+ continue;\r
+ }\r
+ if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS) {\r
+ continue;\r
+ }\r
\r
- ResourceHob = Hob.ResourceDescriptor;\r
- //\r
- // See if this resource descrior HOB describes tested system memory below MaxAddress\r
- //\r
- if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r
- (ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES &&\r
- ResourceHob->PhysicalStart + ResourceHob->ResourceLength <= MaxAddress) {\r
- //\r
- // See if this is the highest tested system memory region below MaxAddress\r
- //\r
- if (ResourceHob->PhysicalStart > HighAddress) {\r
+ //\r
+ // Skip Resource Descriptor HOBs that are below a previously found Resource Descriptor HOB\r
+ //\r
+ if (HighAddress != (EFI_PHYSICAL_ADDRESS)MAX_ADDRESS && ResourceHob->PhysicalStart <= HighAddress) {\r
+ continue;\r
+ }\r
\r
- MaxResourceHob = ResourceHob;\r
- HighAddress = MaxResourceHob->PhysicalStart;\r
- Found = TRUE;\r
- }\r
- }\r
+ //\r
+ // Skip Resource Descriptor HOBs that are not large enough to initilize the DXE Core\r
+ //\r
+ TestedMemoryBaseAddress = PageAlignAddress (ResourceHob->PhysicalStart);\r
+ TestedMemoryLength = PageAlignLength (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - TestedMemoryBaseAddress);\r
+ if (TestedMemoryLength < MinimalMemorySizeNeeded) {\r
+ continue;\r
}\r
- }\r
- if (Found) {\r
+\r
//\r
- // Compute the size of the tested memory region below MaxAddrees\r
+ // Save the range described by the Resource Descriptor that is large enough to initilize the DXE Core\r
//\r
- MaxMemoryBaseAddress = PageAlignAddress (MaxResourceHob->PhysicalStart);\r
- MaxMemoryLength = PageAlignLength (MaxResourceHob->PhysicalStart + MaxResourceHob->ResourceLength - MaxMemoryBaseAddress);\r
- MaxMemoryAttributes = MaxResourceHob->ResourceAttribute;\r
+ BaseAddress = TestedMemoryBaseAddress;\r
+ Length = TestedMemoryLength;\r
+ Attributes = ResourceHob->ResourceAttribute; \r
+ HighAddress = ResourceHob->PhysicalStart;\r
}\r
- MaxAddress = ResourceHob->PhysicalStart;\r
- } while (Found && MaxMemoryLength < MINIMUM_INITIAL_MEMORY_SIZE);\r
-\r
- if ((Length < MINIMUM_INITIAL_MEMORY_SIZE) ||\r
- (MaxMemoryBaseAddress > BaseAddress && MaxMemoryLength >= MINIMUM_INITIAL_MEMORY_SIZE)) {\r
- BaseAddress = MaxMemoryBaseAddress;\r
- Length = MaxMemoryLength;\r
- Attributes = MaxMemoryAttributes;\r
}\r
\r
+ DEBUG ((EFI_D_INFO, "CoreInitializeMemoryServices:\n"));\r
+ DEBUG ((EFI_D_INFO, " BaseAddress - 0x%lx Length - 0x%lx MinimalMemorySizeNeeded - 0x%lx\n", BaseAddress, Length, MinimalMemorySizeNeeded));\r
+\r
//\r
// If no memory regions are found that are big enough to initialize the DXE core, then ASSERT().\r
//\r
- ASSERT (Length >= MINIMUM_INITIAL_MEMORY_SIZE);\r
+ ASSERT (Length >= MinimalMemorySizeNeeded);\r
\r
//\r
// Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r
//\r
- Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r
+ if ((Attributes & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r
+ Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeMoreReliable, Attributes);\r
+ } else {\r
+ Capabilities = CoreConvertResourceDescriptorHobAttributesToCapabilities (EfiGcdMemoryTypeSystemMemory, Attributes);\r
+ }\r
\r
//\r
// Declare the very first memory region, so the EFI Memory Services are available.\r
UINTN Index;\r
UINT64 Capabilities;\r
EFI_HOB_CPU * CpuHob;\r
+ EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMapHobList;\r
\r
//\r
// Cache the PHIT HOB for later use\r
switch (ResourceHob->ResourceType) {\r
case EFI_RESOURCE_SYSTEM_MEMORY:\r
if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == TESTED_MEMORY_ATTRIBUTES) {\r
- GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r
+ if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) == EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE) {\r
+ GcdMemoryType = EfiGcdMemoryTypeMoreReliable;\r
+ } else {\r
+ GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r
+ }\r
}\r
if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == INITIALIZED_MEMORY_ATTRIBUTES) {\r
GcdMemoryType = EfiGcdMemoryTypeReserved;\r
if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) == PRESENT_MEMORY_ATTRIBUTES) {\r
GcdMemoryType = EfiGcdMemoryTypeReserved;\r
}\r
+ if ((ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_PERSISTENT) == EFI_RESOURCE_ATTRIBUTE_PERSISTENT) {\r
+ GcdMemoryType = EfiGcdMemoryTypePersistentMemory;\r
+ }\r
break;\r
case EFI_RESOURCE_MEMORY_MAPPED_IO:\r
case EFI_RESOURCE_FIRMWARE_DEVICE:\r
}\r
\r
if (GcdMemoryType != EfiGcdMemoryTypeNonExistent) {\r
+ //\r
+ // Validate the Resource HOB Attributes\r
+ //\r
+ CoreValidateResourceDescriptorHobAttributes (ResourceHob->ResourceAttribute);\r
+\r
//\r
// Convert the Resource HOB Attributes to an EFI Memory Capabilities mask\r
//\r
//\r
// Allocate first memory region from the GCD by the DXE core\r
//\r
- Status = CoreAllocateMemorySpace (\r
- EfiGcdAllocateAddress,\r
- EfiGcdMemoryTypeSystemMemory,\r
- 0,\r
- MemoryLength,\r
- &MemoryBaseAddress,\r
- gDxeCoreImageHandle,\r
- NULL\r
- );\r
+ Status = CoreGetMemorySpaceDescriptor (MemoryBaseAddress, &Descriptor);\r
+ if (!EFI_ERROR (Status)) {\r
+ ASSERT ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
+ (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable));\r
+ Status = CoreAllocateMemorySpace (\r
+ EfiGcdAllocateAddress,\r
+ Descriptor.GcdMemoryType,\r
+ 0,\r
+ MemoryLength,\r
+ &MemoryBaseAddress,\r
+ gDxeCoreImageHandle,\r
+ NULL\r
+ );\r
+ }\r
\r
//\r
// Walk the HOB list and allocate all memory space that is consumed by memory allocation HOBs,\r
gDxeCoreImageHandle,\r
NULL\r
);\r
- if (!EFI_ERROR (Status) && Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r
+ if (!EFI_ERROR (Status) &&\r
+ ((Descriptor.GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
+ (Descriptor.GcdMemoryType == EfiGcdMemoryTypeMoreReliable))) {\r
CoreAddMemoryDescriptor (\r
MemoryHob->AllocDescriptor.MemoryType,\r
MemoryHob->AllocDescriptor.MemoryBaseAddress,\r
}\r
}\r
\r
- //\r
- // Relocate HOB List to an allocated pool buffer.\r
- //\r
- NewHobList = AllocateCopyPool (\r
- (UINTN)PhitHob->EfiFreeMemoryBottom - (UINTN)(*HobStart),\r
- *HobStart\r
- );\r
- ASSERT (NewHobList != NULL);\r
-\r
- *HobStart = NewHobList;\r
- gHobList = NewHobList;\r
-\r
//\r
// Add and allocate the remaining unallocated system memory to the memory services.\r
//\r
Status = CoreGetMemorySpaceMap (&NumberOfDescriptors, &MemorySpaceMap);\r
ASSERT (Status == EFI_SUCCESS);\r
\r
+ MemorySpaceMapHobList = NULL;\r
for (Index = 0; Index < NumberOfDescriptors; Index++) {\r
- if (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) {\r
+ if ((MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeSystemMemory) ||\r
+ (MemorySpaceMap[Index].GcdMemoryType == EfiGcdMemoryTypeMoreReliable)) {\r
if (MemorySpaceMap[Index].ImageHandle == NULL) {\r
BaseAddress = PageAlignAddress (MemorySpaceMap[Index].BaseAddress);\r
Length = PageAlignLength (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length - BaseAddress);\r
if (Length == 0 || MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length < BaseAddress) {\r
continue;\r
}\r
+ if (((UINTN) MemorySpaceMap[Index].BaseAddress <= (UINTN) (*HobStart)) &&\r
+ ((UINTN) (MemorySpaceMap[Index].BaseAddress + MemorySpaceMap[Index].Length) >= (UINTN) PhitHob->EfiFreeMemoryBottom)) {\r
+ //\r
+ // Skip the memory space that covers HOB List, it should be processed\r
+ // after HOB List relocation to avoid the resources allocated by others\r
+ // to corrupt HOB List before its relocation.\r
+ //\r
+ MemorySpaceMapHobList = &MemorySpaceMap[Index];\r
+ continue;\r
+ }\r
CoreAddMemoryDescriptor (\r
EfiConventionalMemory,\r
BaseAddress,\r
);\r
Status = CoreAllocateMemorySpace (\r
EfiGcdAllocateAddress,\r
- EfiGcdMemoryTypeSystemMemory,\r
+ MemorySpaceMap[Index].GcdMemoryType,\r
0,\r
Length,\r
&BaseAddress,\r
}\r
}\r
}\r
+\r
+ //\r
+ // Relocate HOB List to an allocated pool buffer.\r
+ // The relocation should be at after all the tested memory resources added\r
+ // (except the memory space that covers HOB List) to the memory services,\r
+ // because the memory resource found in CoreInitializeMemoryServices()\r
+ // may have not enough remaining resource for HOB List.\r
+ //\r
+ NewHobList = AllocateCopyPool (\r
+ (UINTN) PhitHob->EfiFreeMemoryBottom - (UINTN) (*HobStart),\r
+ *HobStart\r
+ );\r
+ ASSERT (NewHobList != NULL);\r
+\r
+ *HobStart = NewHobList;\r
+ gHobList = NewHobList;\r
+\r
+ if (MemorySpaceMapHobList != NULL) {\r
+ //\r
+ // Add and allocate the memory space that covers HOB List to the memory services\r
+ // after HOB List relocation.\r
+ //\r
+ BaseAddress = PageAlignAddress (MemorySpaceMapHobList->BaseAddress);\r
+ Length = PageAlignLength (MemorySpaceMapHobList->BaseAddress + MemorySpaceMapHobList->Length - BaseAddress);\r
+ CoreAddMemoryDescriptor (\r
+ EfiConventionalMemory,\r
+ BaseAddress,\r
+ RShiftU64 (Length, EFI_PAGE_SHIFT),\r
+ MemorySpaceMapHobList->Capabilities & (~EFI_MEMORY_RUNTIME)\r
+ );\r
+ Status = CoreAllocateMemorySpace (\r
+ EfiGcdAllocateAddress,\r
+ MemorySpaceMapHobList->GcdMemoryType,\r
+ 0,\r
+ Length,\r
+ &BaseAddress,\r
+ gDxeCoreImageHandle,\r
+ NULL\r
+ );\r
+ }\r
+\r
CoreFreePool (MemorySpaceMap);\r
\r
return EFI_SUCCESS;\r
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