\r
**/\r
\r
-#include <DxeMain.h>\r
+#include "DxeMain.h"\r
+#include "Imem.h"\r
\r
#define EFI_DEFAULT_PAGE_ALLOCATION_ALIGNMENT (EFI_PAGE_SIZE)\r
\r
//\r
-// Entry for tracking the memory regions for each memory type to help cooalese like memory types\r
+// Entry for tracking the memory regions for each memory type to coalesce similar memory types\r
//\r
typedef struct {\r
EFI_PHYSICAL_ADDRESS BaseAddress;\r
//\r
UINTN mMemoryMapKey = 0;\r
\r
-//\r
-// mMapStack - space to use as temp storage to build new map descriptors\r
-// mMapDepth - depth of new descriptor stack\r
-//\r
-\r
#define MAX_MAP_DEPTH 6\r
+\r
+///\r
+/// mMapDepth - depth of new descriptor stack\r
+///\r
UINTN mMapDepth = 0;\r
+///\r
+/// mMapStack - space to use as temp storage to build new map descriptors\r
+///\r
MEMORY_MAP mMapStack[MAX_MAP_DEPTH];\r
UINTN mFreeMapStack = 0;\r
-//\r
-// This list maintain the free memory map list\r
-//\r
+///\r
+/// This list maintain the free memory map list\r
+///\r
LIST_ENTRY mFreeMemoryMapEntryList = INITIALIZE_LIST_HEAD_VARIABLE (mFreeMemoryMapEntryList);\r
BOOLEAN mMemoryTypeInformationInitialized = FALSE;\r
\r
EFI_MEMORY_TYPE_STAISTICS mMemoryTypeStatistics[EfiMaxMemoryType + 1] = {\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiReservedMemoryType\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiLoaderCode\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiLoaderData\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiBootServicesCode\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiBootServicesData\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiRuntimeServicesCode\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiRuntimeServicesData\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiConventionalMemory\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiUnusableMemory\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiACPIReclaimMemory\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiACPIMemoryNVS\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIO\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIOPortSpace\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiPalCode\r
- { 0, EFI_MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE } // EfiMaxMemoryType\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiReservedMemoryType\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiLoaderCode\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiLoaderData\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiBootServicesCode\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiBootServicesData\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiRuntimeServicesCode\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiRuntimeServicesData\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiConventionalMemory\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiUnusableMemory\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiACPIReclaimMemory\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiACPIMemoryNVS\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIO\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIOPortSpace\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiPalCode\r
+ { 0, MAX_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE } // EfiMaxMemoryType\r
};\r
\r
-EFI_PHYSICAL_ADDRESS mDefaultMaximumAddress = EFI_MAX_ADDRESS;\r
+EFI_PHYSICAL_ADDRESS mDefaultMaximumAddress = MAX_ADDRESS;\r
\r
EFI_MEMORY_TYPE_INFORMATION gMemoryTypeInformation[EfiMaxMemoryType + 1] = {\r
{ EfiReservedMemoryType, 0 },\r
{ EfiPalCode, 0 },\r
{ EfiMaxMemoryType, 0 }\r
};\r
-\r
//\r
-// Internal prototypes\r
+// Only used when load module at fixed address feature is enabled. True means the memory is alreay successfully allocated\r
+// and ready to load the module in to specified address.or else, the memory is not ready and module will be loaded at a \r
+// address assigned by DXE core.\r
//\r
-/**\r
- Find untested but initialized memory regions in GCD map and convert them to be DXE allocatable.\r
-\r
-**/\r
-VOID\r
-PromoteMemoryResource (\r
- VOID\r
- );\r
-\r
-/**\r
- Internal function. Adds a ranges to the memory map.\r
- The range must not already exist in the map.\r
-\r
- @param Type The type of memory range to add\r
- @param Start The starting address in the memory range Must be\r
- paged aligned\r
- @param End The last address in the range Must be the last\r
- byte of a page\r
- @param Attribute The attributes of the memory range to add\r
-\r
-**/\r
-VOID\r
-CoreAddRange (\r
- IN EFI_MEMORY_TYPE Type,\r
- IN EFI_PHYSICAL_ADDRESS Start,\r
- IN EFI_PHYSICAL_ADDRESS End,\r
- IN UINT64 Attribute\r
- );\r
-\r
-/**\r
- Internal function. Moves any memory descriptors that are on the\r
- temporary descriptor stack to heap.\r
-\r
-**/\r
-VOID\r
-CoreFreeMemoryMapStack (\r
- VOID\r
- );\r
-\r
-/**\r
- Internal function. Converts a memory range to the specified type.\r
- The range must exist in the memory map.\r
-\r
- @param Start The first address of the range Must be page\r
- aligned\r
- @param NumberOfPages The number of pages to convert\r
- @param NewType The new type for the memory range\r
-\r
- @retval EFI_INVALID_PARAMETER Invalid parameter\r
- @retval EFI_NOT_FOUND Could not find a descriptor cover the specified\r
- range or convertion not allowed.\r
- @retval EFI_SUCCESS Successfully converts the memory range to the\r
- specified type.\r
-\r
-**/\r
-EFI_STATUS\r
-CoreConvertPages (\r
- IN UINT64 Start,\r
- IN UINT64 NumberOfPages,\r
- IN EFI_MEMORY_TYPE NewType\r
- );\r
-\r
-/**\r
- Internal function. Removes a descriptor entry.\r
-\r
- @param Entry The entry to remove\r
-\r
-**/\r
-VOID\r
-RemoveMemoryMapEntry (\r
- IN OUT MEMORY_MAP *Entry\r
- );\r
-\r
-/**\r
- Internal function. Deque a descriptor entry from the mFreeMemoryMapEntryList.\r
- If the list is emtry, then allocate a new page to refuel the list.\r
- Please Note this algorithm to allocate the memory map descriptor has a property\r
- that the memory allocated for memory entries always grows, and will never really be freed\r
- For example, if the current boot uses 2000 memory map entries at the maximum point, but\r
- ends up with only 50 at the time the OS is booted, then the memory associated with the 1950\r
- memory map entries is still allocated from EfiBootServicesMemory.\r
-\r
-\r
- @return The Memory map descriptor dequed from the mFreeMemoryMapEntryList\r
-\r
-**/\r
-MEMORY_MAP *\r
-AllocateMemoryMapEntry (\r
- VOID\r
- );\r
-\r
+GLOBAL_REMOVE_IF_UNREFERENCED BOOLEAN gLoadFixedAddressCodeMemoryReady = FALSE;\r
\r
/**\r
Enter critical section by gaining lock on gMemoryLock.\r
}\r
\r
\r
-/**\r
- Find untested but initialized memory regions in GCD map and convert them to be DXE allocatable.\r
-\r
-**/\r
-VOID\r
-PromoteMemoryResource (\r
- VOID\r
- )\r
-{\r
- LIST_ENTRY *Link;\r
- EFI_GCD_MAP_ENTRY *Entry;\r
-\r
- DEBUG ((DEBUG_ERROR | DEBUG_PAGE, "Promote the memory resource\n"));\r
-\r
- CoreAcquireGcdMemoryLock ();\r
-\r
- Link = mGcdMemorySpaceMap.ForwardLink;\r
- while (Link != &mGcdMemorySpaceMap) {\r
-\r
- Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
-\r
- if (Entry->GcdMemoryType == EfiGcdMemoryTypeReserved &&\r
- Entry->EndAddress < EFI_MAX_ADDRESS &&\r
- (Entry->Capabilities & (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED)) ==\r
- (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED)) {\r
- //\r
- // Update the GCD map\r
- //\r
- Entry->GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r
- Entry->Capabilities |= EFI_MEMORY_TESTED;\r
- Entry->ImageHandle = gDxeCoreImageHandle;\r
- Entry->DeviceHandle = NULL;\r
-\r
- //\r
- // Add to allocable system memory resource\r
- //\r
-\r
- CoreAddRange (\r
- EfiConventionalMemory,\r
- Entry->BaseAddress,\r
- Entry->EndAddress,\r
- Entry->Capabilities & ~(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)\r
- );\r
- CoreFreeMemoryMapStack ();\r
-\r
- }\r
-\r
- Link = Link->ForwardLink;\r
- }\r
-\r
- CoreReleaseGcdMemoryLock ();\r
-\r
- return;\r
-}\r
\r
\r
/**\r
- Called to initialize the memory map and add descriptors to\r
- the current descriptor list.\r
- The first descriptor that is added must be general usable\r
- memory as the addition allocates heap.\r
-\r
- @param Type The type of memory to add\r
- @param Start The starting address in the memory range Must be\r
- page aligned\r
- @param NumberOfPages The number of pages in the range\r
- @param Attribute Attributes of the memory to add\r
+ Internal function. Removes a descriptor entry.\r
\r
- @return None. The range is added to the memory map\r
+ @param Entry The entry to remove\r
\r
**/\r
VOID\r
-CoreAddMemoryDescriptor (\r
- IN EFI_MEMORY_TYPE Type,\r
- IN EFI_PHYSICAL_ADDRESS Start,\r
- IN UINT64 NumberOfPages,\r
- IN UINT64 Attribute\r
+RemoveMemoryMapEntry (\r
+ IN OUT MEMORY_MAP *Entry\r
)\r
{\r
- EFI_PHYSICAL_ADDRESS End;\r
- EFI_STATUS Status;\r
- UINTN Index;\r
- UINTN FreeIndex;\r
-\r
- if ((Start & EFI_PAGE_MASK) != 0) {\r
- return;\r
- }\r
-\r
- if (Type >= EfiMaxMemoryType && Type <= 0x7fffffff) {\r
- return;\r
- }\r
-\r
- CoreAcquireMemoryLock ();\r
- End = Start + LShiftU64 (NumberOfPages, EFI_PAGE_SHIFT) - 1;\r
- CoreAddRange (Type, Start, End, Attribute);\r
- CoreFreeMemoryMapStack ();\r
- CoreReleaseMemoryLock ();\r
-\r
- //\r
- // Check to see if the statistics for the different memory types have already been established\r
- //\r
- if (mMemoryTypeInformationInitialized) {\r
- return;\r
- }\r
-\r
- //\r
- // Loop through each memory type in the order specified by the gMemoryTypeInformation[] array\r
- //\r
- for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
- //\r
- // Make sure the memory type in the gMemoryTypeInformation[] array is valid\r
- //\r
- Type = (EFI_MEMORY_TYPE) (gMemoryTypeInformation[Index].Type);\r
- if (Type < 0 || Type > EfiMaxMemoryType) {\r
- continue;\r
- }\r
-\r
- if (gMemoryTypeInformation[Index].NumberOfPages != 0) {\r
- //\r
- // Allocate pages for the current memory type from the top of available memory\r
- //\r
- Status = CoreAllocatePages (\r
- AllocateAnyPages,\r
- Type,\r
- gMemoryTypeInformation[Index].NumberOfPages,\r
- &mMemoryTypeStatistics[Type].BaseAddress\r
- );\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // If an error occurs allocating the pages for the current memory type, then\r
- // free all the pages allocates for the previous memory types and return. This\r
- // operation with be retied when/if more memory is added to the system\r
- //\r
- for (FreeIndex = 0; FreeIndex < Index; FreeIndex++) {\r
- //\r
- // Make sure the memory type in the gMemoryTypeInformation[] array is valid\r
- //\r
- Type = (EFI_MEMORY_TYPE) (gMemoryTypeInformation[FreeIndex].Type);\r
- if (Type < 0 || Type > EfiMaxMemoryType) {\r
- continue;\r
- }\r
-\r
- if (gMemoryTypeInformation[FreeIndex].NumberOfPages != 0) {\r
- CoreFreePages (\r
- mMemoryTypeStatistics[Type].BaseAddress,\r
- gMemoryTypeInformation[FreeIndex].NumberOfPages\r
- );\r
- mMemoryTypeStatistics[Type].BaseAddress = 0;\r
- mMemoryTypeStatistics[Type].MaximumAddress = EFI_MAX_ADDRESS;\r
- }\r
- }\r
- return;\r
- }\r
-\r
- //\r
- // Compute the address at the top of the current statistics\r
- //\r
- mMemoryTypeStatistics[Type].MaximumAddress =\r
- mMemoryTypeStatistics[Type].BaseAddress +\r
- LShiftU64 (gMemoryTypeInformation[Index].NumberOfPages, EFI_PAGE_SHIFT) - 1;\r
-\r
- //\r
- // If the current base address is the lowest address so far, then update the default\r
- // maximum address\r
- //\r
- if (mMemoryTypeStatistics[Type].BaseAddress < mDefaultMaximumAddress) {\r
- mDefaultMaximumAddress = mMemoryTypeStatistics[Type].BaseAddress - 1;\r
- }\r
- }\r
- }\r
+ RemoveEntryList (&Entry->Link);\r
+ Entry->Link.ForwardLink = NULL;\r
\r
- //\r
- // There was enough system memory for all the the memory types were allocated. So,\r
- // those memory areas can be freed for future allocations, and all future memory\r
- // allocations can occur within their respective bins\r
- //\r
- for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
+ if (Entry->FromPages) {\r
//\r
- // Make sure the memory type in the gMemoryTypeInformation[] array is valid\r
+ // Insert the free memory map descriptor to the end of mFreeMemoryMapEntryList\r
//\r
- Type = (EFI_MEMORY_TYPE) (gMemoryTypeInformation[Index].Type);\r
- if (Type < 0 || Type > EfiMaxMemoryType) {\r
- continue;\r
- }\r
-\r
- if (gMemoryTypeInformation[Index].NumberOfPages != 0) {\r
- CoreFreePages (\r
- mMemoryTypeStatistics[Type].BaseAddress,\r
- gMemoryTypeInformation[Index].NumberOfPages\r
- );\r
- mMemoryTypeStatistics[Type].NumberOfPages = gMemoryTypeInformation[Index].NumberOfPages;\r
- gMemoryTypeInformation[Index].NumberOfPages = 0;\r
- }\r
- }\r
-\r
- //\r
- // If the number of pages reserved for a memory type is 0, then all allocations for that type\r
- // should be in the default range.\r
- //\r
- for (Type = (EFI_MEMORY_TYPE) 0; Type < EfiMaxMemoryType; Type++) {\r
- for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
- if (Type == (EFI_MEMORY_TYPE)gMemoryTypeInformation[Index].Type) {\r
- mMemoryTypeStatistics[Type].InformationIndex = Index;\r
- }\r
- }\r
- mMemoryTypeStatistics[Type].CurrentNumberOfPages = 0;\r
- if (mMemoryTypeStatistics[Type].MaximumAddress == EFI_MAX_ADDRESS) {\r
- mMemoryTypeStatistics[Type].MaximumAddress = mDefaultMaximumAddress;\r
- }\r
+ InsertTailList (&mFreeMemoryMapEntryList, &Entry->Link);\r
}\r
-\r
- mMemoryTypeInformationInitialized = TRUE;\r
}\r
\r
-\r
-\r
/**\r
Internal function. Adds a ranges to the memory map.\r
The range must not already exist in the map.\r
// Add descriptor\r
//\r
\r
- mMapStack[mMapDepth].Signature = MEMORY_MAP_SIGNATURE;\r
- mMapStack[mMapDepth].FromPages = FALSE;\r
- mMapStack[mMapDepth].Type = Type;\r
- mMapStack[mMapDepth].Start = Start;\r
- mMapStack[mMapDepth].End = End;\r
- mMapStack[mMapDepth].VirtualStart = 0;\r
- mMapStack[mMapDepth].Attribute = Attribute;\r
- InsertTailList (&gMemoryMap, &mMapStack[mMapDepth].Link);\r
-\r
- mMapDepth += 1;\r
- ASSERT (mMapDepth < MAX_MAP_DEPTH);\r
-\r
- return ;\r
+ mMapStack[mMapDepth].Signature = MEMORY_MAP_SIGNATURE;\r
+ mMapStack[mMapDepth].FromPages = FALSE;\r
+ mMapStack[mMapDepth].Type = Type;\r
+ mMapStack[mMapDepth].Start = Start;\r
+ mMapStack[mMapDepth].End = End;\r
+ mMapStack[mMapDepth].VirtualStart = 0;\r
+ mMapStack[mMapDepth].Attribute = Attribute;\r
+ InsertTailList (&gMemoryMap, &mMapStack[mMapDepth].Link);\r
+\r
+ mMapDepth += 1;\r
+ ASSERT (mMapDepth < MAX_MAP_DEPTH);\r
+\r
+ return ;\r
+}\r
+\r
+/**\r
+ Internal function. Deque a descriptor entry from the mFreeMemoryMapEntryList.\r
+ If the list is emtry, then allocate a new page to refuel the list.\r
+ Please Note this algorithm to allocate the memory map descriptor has a property\r
+ that the memory allocated for memory entries always grows, and will never really be freed\r
+ For example, if the current boot uses 2000 memory map entries at the maximum point, but\r
+ ends up with only 50 at the time the OS is booted, then the memory associated with the 1950\r
+ memory map entries is still allocated from EfiBootServicesMemory.\r
+\r
+\r
+ @return The Memory map descriptor dequed from the mFreeMemoryMapEntryList\r
+\r
+**/\r
+MEMORY_MAP *\r
+AllocateMemoryMapEntry (\r
+ VOID\r
+ )\r
+{\r
+ MEMORY_MAP* FreeDescriptorEntries;\r
+ MEMORY_MAP* Entry;\r
+ UINTN Index;\r
+\r
+ if (IsListEmpty (&mFreeMemoryMapEntryList)) {\r
+ //\r
+ // The list is empty, to allocate one page to refuel the list\r
+ //\r
+ FreeDescriptorEntries = CoreAllocatePoolPages (EfiBootServicesData, EFI_SIZE_TO_PAGES(DEFAULT_PAGE_ALLOCATION), DEFAULT_PAGE_ALLOCATION);\r
+ if(FreeDescriptorEntries != NULL) {\r
+ //\r
+ // Enque the free memmory map entries into the list\r
+ //\r
+ for (Index = 0; Index< DEFAULT_PAGE_ALLOCATION / sizeof(MEMORY_MAP); Index++) {\r
+ FreeDescriptorEntries[Index].Signature = MEMORY_MAP_SIGNATURE;\r
+ InsertTailList (&mFreeMemoryMapEntryList, &FreeDescriptorEntries[Index].Link);\r
+ }\r
+ } else {\r
+ return NULL;\r
+ }\r
+ }\r
+ //\r
+ // dequeue the first descriptor from the list\r
+ //\r
+ Entry = CR (mFreeMemoryMapEntryList.ForwardLink, MEMORY_MAP, Link, MEMORY_MAP_SIGNATURE);\r
+ RemoveEntryList (&Entry->Link);\r
+\r
+ return Entry;\r
}\r
\r
\r
mFreeMapStack -= 1;\r
}\r
\r
-\r
/**\r
- Internal function. Removes a descriptor entry.\r
-\r
- @param Entry The entry to remove\r
+ Find untested but initialized memory regions in GCD map and convert them to be DXE allocatable.\r
\r
**/\r
VOID\r
-RemoveMemoryMapEntry (\r
- IN OUT MEMORY_MAP *Entry\r
+PromoteMemoryResource (\r
+ VOID\r
)\r
{\r
- RemoveEntryList (&Entry->Link);\r
- Entry->Link.ForwardLink = NULL;\r
+ LIST_ENTRY *Link;\r
+ EFI_GCD_MAP_ENTRY *Entry;\r
\r
- if (Entry->FromPages) {\r
- //\r
- // Insert the free memory map descriptor to the end of mFreeMemoryMapEntryList\r
- //\r
- InsertTailList (&mFreeMemoryMapEntryList, &Entry->Link);\r
+ DEBUG ((DEBUG_PAGE, "Promote the memory resource\n"));\r
+\r
+ CoreAcquireGcdMemoryLock ();\r
+\r
+ Link = mGcdMemorySpaceMap.ForwardLink;\r
+ while (Link != &mGcdMemorySpaceMap) {\r
+\r
+ Entry = CR (Link, EFI_GCD_MAP_ENTRY, Link, EFI_GCD_MAP_SIGNATURE);\r
+\r
+ if (Entry->GcdMemoryType == EfiGcdMemoryTypeReserved &&\r
+ Entry->EndAddress < MAX_ADDRESS &&\r
+ (Entry->Capabilities & (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED)) ==\r
+ (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED)) {\r
+ //\r
+ // Update the GCD map\r
+ //\r
+ Entry->GcdMemoryType = EfiGcdMemoryTypeSystemMemory;\r
+ Entry->Capabilities |= EFI_MEMORY_TESTED;\r
+ Entry->ImageHandle = gDxeCoreImageHandle;\r
+ Entry->DeviceHandle = NULL;\r
+\r
+ //\r
+ // Add to allocable system memory resource\r
+ //\r
+\r
+ CoreAddRange (\r
+ EfiConventionalMemory,\r
+ Entry->BaseAddress,\r
+ Entry->EndAddress,\r
+ Entry->Capabilities & ~(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)\r
+ );\r
+ CoreFreeMemoryMapStack ();\r
+\r
+ }\r
+\r
+ Link = Link->ForwardLink;\r
}\r
+\r
+ CoreReleaseGcdMemoryLock ();\r
+\r
+ return;\r
}\r
+/**\r
+ This function try to allocate Runtime code & Boot time code memory range. If LMFA enabled, 2 patchable PCD \r
+ PcdLoadFixAddressRuntimeCodePageNumber & PcdLoadFixAddressBootTimeCodePageNumber which are set by tools will record the \r
+ size of boot time and runtime code.\r
\r
+**/\r
+VOID\r
+CoreLoadingFixedAddressHook (\r
+ VOID\r
+ )\r
+{\r
+ UINT32 RuntimeCodePageNumber;\r
+ UINT32 BootTimeCodePageNumber;\r
+ EFI_PHYSICAL_ADDRESS RuntimeCodeBase;\r
+ EFI_PHYSICAL_ADDRESS BootTimeCodeBase;\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Make sure these 2 areas are not initialzied.\r
+ //\r
+ if (!gLoadFixedAddressCodeMemoryReady) { \r
+ RuntimeCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r
+ BootTimeCodePageNumber= PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r
+ RuntimeCodeBase = (EFI_PHYSICAL_ADDRESS)(gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress - EFI_PAGES_TO_SIZE (RuntimeCodePageNumber));\r
+ BootTimeCodeBase = (EFI_PHYSICAL_ADDRESS)(RuntimeCodeBase - EFI_PAGES_TO_SIZE (BootTimeCodePageNumber));\r
+ //\r
+ // Try to allocate runtime memory.\r
+ //\r
+ Status = CoreAllocatePages (\r
+ AllocateAddress,\r
+ EfiRuntimeServicesCode,\r
+ RuntimeCodePageNumber,\r
+ &RuntimeCodeBase\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ //\r
+ // Runtime memory allocation failed \r
+ //\r
+ return;\r
+ }\r
+ //\r
+ // Try to allocate boot memory.\r
+ //\r
+ Status = CoreAllocatePages (\r
+ AllocateAddress,\r
+ EfiBootServicesCode,\r
+ BootTimeCodePageNumber,\r
+ &BootTimeCodeBase\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ //\r
+ // boot memory allocation failed. Free Runtime code range and will try the allocation again when \r
+ // new memory range is installed.\r
+ //\r
+ CoreFreePages (\r
+ RuntimeCodeBase,\r
+ RuntimeCodePageNumber\r
+ );\r
+ return;\r
+ }\r
+ gLoadFixedAddressCodeMemoryReady = TRUE;\r
+ } \r
+ return;\r
+} \r
\r
/**\r
- Internal function. Deque a descriptor entry from the mFreeMemoryMapEntryList.\r
- If the list is emtry, then allocate a new page to refuel the list.\r
- Please Note this algorithm to allocate the memory map descriptor has a property\r
- that the memory allocated for memory entries always grows, and will never really be freed\r
- For example, if the current boot uses 2000 memory map entries at the maximum point, but\r
- ends up with only 50 at the time the OS is booted, then the memory associated with the 1950\r
- memory map entries is still allocated from EfiBootServicesMemory.\r
+ Called to initialize the memory map and add descriptors to\r
+ the current descriptor list.\r
+ The first descriptor that is added must be general usable\r
+ memory as the addition allocates heap.\r
\r
+ @param Type The type of memory to add\r
+ @param Start The starting address in the memory range Must be\r
+ page aligned\r
+ @param NumberOfPages The number of pages in the range\r
+ @param Attribute Attributes of the memory to add\r
\r
- @return The Memory map descriptor dequed from the mFreeMemoryMapEntryList\r
+ @return None. The range is added to the memory map\r
\r
**/\r
-MEMORY_MAP *\r
-AllocateMemoryMapEntry (\r
- VOID\r
+VOID\r
+CoreAddMemoryDescriptor (\r
+ IN EFI_MEMORY_TYPE Type,\r
+ IN EFI_PHYSICAL_ADDRESS Start,\r
+ IN UINT64 NumberOfPages,\r
+ IN UINT64 Attribute\r
)\r
{\r
- MEMORY_MAP* FreeDescriptorEntries;\r
- MEMORY_MAP* Entry;\r
- UINTN Index;\r
+ EFI_PHYSICAL_ADDRESS End;\r
+ EFI_STATUS Status;\r
+ UINTN Index;\r
+ UINTN FreeIndex;\r
+ \r
+ if ((Start & EFI_PAGE_MASK) != 0) {\r
+ return;\r
+ }\r
\r
- if (IsListEmpty (&mFreeMemoryMapEntryList)) {\r
+ if (Type >= EfiMaxMemoryType && Type <= 0x7fffffff) {\r
+ return;\r
+ }\r
+ CoreAcquireMemoryLock ();\r
+ End = Start + LShiftU64 (NumberOfPages, EFI_PAGE_SHIFT) - 1;\r
+ CoreAddRange (Type, Start, End, Attribute);\r
+ CoreFreeMemoryMapStack ();\r
+ CoreReleaseMemoryLock ();\r
+\r
+ //\r
+ // If Loading Module At Fixed Address feature is enabled. try to allocate memory with Runtime code & Boot time code type\r
+ //\r
+ if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {\r
+ CoreLoadingFixedAddressHook();\r
+ }\r
+ \r
+ //\r
+ // Check to see if the statistics for the different memory types have already been established\r
+ //\r
+ if (mMemoryTypeInformationInitialized) {\r
+ return;\r
+ }\r
+\r
+ \r
+ //\r
+ // Loop through each memory type in the order specified by the gMemoryTypeInformation[] array\r
+ //\r
+ for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
//\r
- // The list is empty, to allocate one page to refuel the list\r
+ // Make sure the memory type in the gMemoryTypeInformation[] array is valid\r
//\r
- FreeDescriptorEntries = CoreAllocatePoolPages (EfiBootServicesData, EFI_SIZE_TO_PAGES(DEFAULT_PAGE_ALLOCATION), DEFAULT_PAGE_ALLOCATION);\r
- if(FreeDescriptorEntries != NULL) {\r
+ Type = (EFI_MEMORY_TYPE) (gMemoryTypeInformation[Index].Type);\r
+ if (Type < 0 || Type > EfiMaxMemoryType) {\r
+ continue;\r
+ }\r
+ if (gMemoryTypeInformation[Index].NumberOfPages != 0) {\r
//\r
- // Enque the free memmory map entries into the list\r
+ // Allocate pages for the current memory type from the top of available memory\r
//\r
- for (Index = 0; Index< DEFAULT_PAGE_ALLOCATION / sizeof(MEMORY_MAP); Index++) {\r
- FreeDescriptorEntries[Index].Signature = MEMORY_MAP_SIGNATURE;\r
- InsertTailList (&mFreeMemoryMapEntryList, &FreeDescriptorEntries[Index].Link);\r
+ Status = CoreAllocatePages (\r
+ AllocateAnyPages,\r
+ Type,\r
+ gMemoryTypeInformation[Index].NumberOfPages,\r
+ &mMemoryTypeStatistics[Type].BaseAddress\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // If an error occurs allocating the pages for the current memory type, then\r
+ // free all the pages allocates for the previous memory types and return. This\r
+ // operation with be retied when/if more memory is added to the system\r
+ //\r
+ for (FreeIndex = 0; FreeIndex < Index; FreeIndex++) {\r
+ //\r
+ // Make sure the memory type in the gMemoryTypeInformation[] array is valid\r
+ //\r
+ Type = (EFI_MEMORY_TYPE) (gMemoryTypeInformation[FreeIndex].Type);\r
+ if (Type < 0 || Type > EfiMaxMemoryType) {\r
+ continue;\r
+ }\r
+\r
+ if (gMemoryTypeInformation[FreeIndex].NumberOfPages != 0) {\r
+ CoreFreePages (\r
+ mMemoryTypeStatistics[Type].BaseAddress,\r
+ gMemoryTypeInformation[FreeIndex].NumberOfPages\r
+ );\r
+ mMemoryTypeStatistics[Type].BaseAddress = 0;\r
+ mMemoryTypeStatistics[Type].MaximumAddress = MAX_ADDRESS;\r
+ }\r
+ }\r
+ return;\r
+ }\r
+\r
+ //\r
+ // Compute the address at the top of the current statistics\r
+ //\r
+ mMemoryTypeStatistics[Type].MaximumAddress =\r
+ mMemoryTypeStatistics[Type].BaseAddress +\r
+ LShiftU64 (gMemoryTypeInformation[Index].NumberOfPages, EFI_PAGE_SHIFT) - 1;\r
+\r
+ //\r
+ // If the current base address is the lowest address so far, then update the default\r
+ // maximum address\r
+ //\r
+ if (mMemoryTypeStatistics[Type].BaseAddress < mDefaultMaximumAddress) {\r
+ mDefaultMaximumAddress = mMemoryTypeStatistics[Type].BaseAddress - 1;\r
}\r
- } else {\r
- return NULL;\r
}\r
}\r
+\r
//\r
- // dequeue the first descriptor from the list\r
+ // There was enough system memory for all the the memory types were allocated. So,\r
+ // those memory areas can be freed for future allocations, and all future memory\r
+ // allocations can occur within their respective bins\r
//\r
- Entry = CR (mFreeMemoryMapEntryList.ForwardLink, MEMORY_MAP, Link, MEMORY_MAP_SIGNATURE);\r
- RemoveEntryList (&Entry->Link);\r
+ for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
+ //\r
+ // Make sure the memory type in the gMemoryTypeInformation[] array is valid\r
+ //\r
+ Type = (EFI_MEMORY_TYPE) (gMemoryTypeInformation[Index].Type);\r
+ if (Type < 0 || Type > EfiMaxMemoryType) {\r
+ continue;\r
+ }\r
+ if (gMemoryTypeInformation[Index].NumberOfPages != 0) {\r
+ CoreFreePages (\r
+ mMemoryTypeStatistics[Type].BaseAddress,\r
+ gMemoryTypeInformation[Index].NumberOfPages\r
+ );\r
+ mMemoryTypeStatistics[Type].NumberOfPages = gMemoryTypeInformation[Index].NumberOfPages;\r
+ gMemoryTypeInformation[Index].NumberOfPages = 0;\r
+ }\r
+ }\r
\r
- return Entry;\r
+ //\r
+ // If the number of pages reserved for a memory type is 0, then all allocations for that type\r
+ // should be in the default range.\r
+ //\r
+ for (Type = (EFI_MEMORY_TYPE) 0; Type < EfiMaxMemoryType; Type++) {\r
+ for (Index = 0; gMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r
+ if (Type == (EFI_MEMORY_TYPE)gMemoryTypeInformation[Index].Type) {\r
+ mMemoryTypeStatistics[Type].InformationIndex = Index;\r
+ }\r
+ }\r
+ mMemoryTypeStatistics[Type].CurrentNumberOfPages = 0;\r
+ if (mMemoryTypeStatistics[Type].MaximumAddress == MAX_ADDRESS) {\r
+ mMemoryTypeStatistics[Type].MaximumAddress = mDefaultMaximumAddress;\r
+ }\r
+ }\r
+\r
+ mMemoryTypeInformationInitialized = TRUE;\r
}\r
\r
\r
// if that's all we've got\r
//\r
RangeEnd = End;\r
+\r
+ ASSERT (Entry != NULL);\r
if (Entry->End < End) {\r
RangeEnd = Entry->End;\r
}\r
// Debug code - verify conversion is allowed\r
//\r
if (!(NewType == EfiConventionalMemory ? 1 : 0) ^ (Entry->Type == EfiConventionalMemory ? 1 : 0)) {\r
- DEBUG ((DEBUG_ERROR , "ConvertPages: Incompatible memory types\n"));\r
+ DEBUG ((DEBUG_ERROR | DEBUG_PAGE, "ConvertPages: Incompatible memory types\n"));\r
return EFI_NOT_FOUND;\r
}\r
\r
//\r
// The max address is the max natively addressable address for the processor\r
//\r
- MaxAddress = EFI_MAX_ADDRESS;\r
+ MaxAddress = MAX_ADDRESS;\r
\r
if (Type == AllocateMaxAddress) {\r
MaxAddress = Start;\r
}\r
}\r
if (Link == &gMemoryMap) {\r
- CoreReleaseMemoryLock ();\r
- return EFI_NOT_FOUND;\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
}\r
\r
Alignment = EFI_DEFAULT_PAGE_ALLOCATION_ALIGNMENT;\r
\r
+ ASSERT (Entry != NULL);\r
if (Entry->Type == EfiACPIReclaimMemory ||\r
Entry->Type == EfiACPIMemoryNVS ||\r
Entry->Type == EfiRuntimeServicesCode ||\r
}\r
\r
if ((Memory & (Alignment - 1)) != 0) {\r
- CoreReleaseMemoryLock ();\r
- return EFI_INVALID_PARAMETER;\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
}\r
\r
NumberOfPages += EFI_SIZE_TO_PAGES (Alignment) - 1;\r
\r
Status = CoreConvertPages (Memory, NumberOfPages, EfiConventionalMemory);\r
\r
- CoreReleaseMemoryLock ();\r
-\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ goto Done;\r
}\r
\r
//\r
// Destroy the contents\r
//\r
- if (Memory < EFI_MAX_ADDRESS) {\r
+ if (Memory < MAX_ADDRESS) {\r
DEBUG_CLEAR_MEMORY ((VOID *)(UINTN)Memory, NumberOfPages << EFI_PAGE_SHIFT);\r
}\r
\r
+Done:\r
+ CoreReleaseMemoryLock ();\r
return Status;\r
}\r
\r
MemoryMap->Attribute |= EFI_MEMORY_RUNTIME;\r
}\r
\r
- MemoryMap = NextMemoryDescriptor (MemoryMap, Size);\r
+ MemoryMap = NEXT_MEMORY_DESCRIPTOR (MemoryMap, Size);\r
}\r
\r
for (Link = mGcdMemorySpaceMap.ForwardLink; Link != &mGcdMemorySpaceMap; Link = Link->ForwardLink) {\r
if ((GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeReserved) ||\r
(GcdMapEntry->GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo)) {\r
if ((GcdMapEntry->Attributes & EFI_MEMORY_RUNTIME) == EFI_MEMORY_RUNTIME) {\r
-\r
+ // \r
+ // Create EFI_MEMORY_DESCRIPTOR for every Reserved and MMIO GCD entries\r
+ // that are marked for runtime use\r
+ //\r
MemoryMap->PhysicalStart = GcdMapEntry->BaseAddress;\r
MemoryMap->VirtualStart = 0;\r
MemoryMap->NumberOfPages = RShiftU64 ((GcdMapEntry->EndAddress - GcdMapEntry->BaseAddress + 1), EFI_PAGE_SHIFT);\r
}\r
}\r
\r
- MemoryMap = NextMemoryDescriptor (MemoryMap, Size);\r
+ MemoryMap = NEXT_MEMORY_DESCRIPTOR (MemoryMap, Size);\r
}\r
}\r
}\r
//\r
// Find the pages to convert\r
//\r
- Start = FindFreePages (EFI_MAX_ADDRESS, NumberOfPages, PoolType, Alignment);\r
+ Start = FindFreePages (MAX_ADDRESS, NumberOfPages, PoolType, Alignment);\r
\r
//\r
// Convert it to boot services data\r
//\r
if (Start == 0) {\r
- DEBUG ((DEBUG_ERROR | DEBUG_PAGE, "AllocatePoolPages: failed to allocate %d pages\n", NumberOfPages));\r
+ DEBUG ((DEBUG_ERROR | DEBUG_PAGE, "AllocatePoolPages: failed to allocate %d pages\n", (UINT32)NumberOfPages));\r
} else {\r
CoreConvertPages (Start, NumberOfPages, PoolType);\r
}\r
\r
for (Link = gMemoryMap.ForwardLink; Link != &gMemoryMap; Link = Link->ForwardLink) {\r
Entry = CR(Link, MEMORY_MAP, Link, MEMORY_MAP_SIGNATURE);\r
- if (Entry->Attribute & EFI_MEMORY_RUNTIME) {\r
+ if ((Entry->Attribute & EFI_MEMORY_RUNTIME) != 0) {\r
if (Entry->Type == EfiACPIReclaimMemory || Entry->Type == EfiACPIMemoryNVS) {\r
- DEBUG((DEBUG_ERROR, "ExitBootServices: ACPI memory entry has RUNTIME attribute set.\n"));\r
- CoreReleaseMemoryLock ();\r
- return EFI_INVALID_PARAMETER;\r
+ DEBUG((DEBUG_ERROR | DEBUG_PAGE, "ExitBootServices: ACPI memory entry has RUNTIME attribute set.\n"));\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
}\r
- if (Entry->Start & (EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT - 1)) {\r
- DEBUG((DEBUG_ERROR, "ExitBootServices: A RUNTIME memory entry is not on a proper alignment.\n"));\r
- CoreReleaseMemoryLock ();\r
- return EFI_INVALID_PARAMETER;\r
+ if ((Entry->Start & (EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT - 1)) != 0) {\r
+ DEBUG((DEBUG_ERROR | DEBUG_PAGE, "ExitBootServices: A RUNTIME memory entry is not on a proper alignment.\n"));\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
}\r
- if ((Entry->End + 1) & (EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT - 1)) {\r
- DEBUG((DEBUG_ERROR, "ExitBootServices: A RUNTIME memory entry is not on a proper alignment.\n"));\r
- CoreReleaseMemoryLock ();\r
- return EFI_INVALID_PARAMETER;\r
+ if (((Entry->End + 1) & (EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT - 1)) != 0) {\r
+ DEBUG((DEBUG_ERROR | DEBUG_PAGE, "ExitBootServices: A RUNTIME memory entry is not on a proper alignment.\n"));\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
}\r
}\r
}\r
Status = EFI_INVALID_PARAMETER;\r
}\r
\r
+Done:\r
CoreReleaseMemoryLock ();\r
\r
return Status;\r
projects / mirror_edk2.git / blobdiff