--- /dev/null
+/** @file\r
+ UEFI PropertiesTable support\r
+\r
+Copyright (c) 2015, 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
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <PiDxe.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/DxeServicesTableLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/PcdLib.h>\r
+\r
+#include <Guid/EventGroup.h>\r
+#include <Protocol/DxeSmmReadyToLock.h>\r
+\r
+#include <Library/PeCoffLib.h>\r
+#include <Library/PeCoffGetEntryPointLib.h>\r
+#include <Protocol/Runtime.h>\r
+\r
+#include <Guid/PropertiesTable.h>\r
+\r
+#include "DxeMain.h"\r
+\r
+#define PREVIOUS_MEMORY_DESCRIPTOR(MemoryDescriptor, Size) \\r
+ ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)(MemoryDescriptor) - (Size)))\r
+\r
+#define IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE SIGNATURE_32 ('I','P','R','C')\r
+\r
+typedef struct {\r
+ UINT32 Signature;\r
+ LIST_ENTRY Link;\r
+ EFI_PHYSICAL_ADDRESS CodeSegmentBase;\r
+ UINT64 CodeSegmentSize;\r
+} IMAGE_PROPERTIES_RECORD_CODE_SECTION;\r
+\r
+#define IMAGE_PROPERTIES_RECORD_SIGNATURE SIGNATURE_32 ('I','P','R','D')\r
+\r
+typedef struct {\r
+ UINT32 Signature;\r
+ LIST_ENTRY Link;\r
+ EFI_PHYSICAL_ADDRESS ImageBase;\r
+ UINT64 ImageSize;\r
+ UINTN CodeSegmentCount;\r
+ LIST_ENTRY CodeSegmentList;\r
+} IMAGE_PROPERTIES_RECORD;\r
+\r
+#define IMAGE_PROPERTIES_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('I','P','P','D')\r
+\r
+typedef struct {\r
+ UINT32 Signature;\r
+ UINTN ImageRecordCount;\r
+ UINTN CodeSegmentCountMax;\r
+ LIST_ENTRY ImageRecordList;\r
+} IMAGE_PROPERTIES_PRIVATE_DATA;\r
+\r
+IMAGE_PROPERTIES_PRIVATE_DATA mImagePropertiesPrivateData = {\r
+ IMAGE_PROPERTIES_PRIVATE_DATA_SIGNATURE,\r
+ 0,\r
+ 0,\r
+ INITIALIZE_LIST_HEAD_VARIABLE (mImagePropertiesPrivateData.ImageRecordList)\r
+};\r
+\r
+EFI_PROPERTIES_TABLE mPropertiesTable = {\r
+ EFI_PROPERTIES_TABLE_VERSION,\r
+ sizeof(EFI_PROPERTIES_TABLE),\r
+ EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA\r
+};\r
+\r
+EFI_LOCK mPropertiesTableLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r
+\r
+//\r
+// Below functions are for MemoryMap\r
+//\r
+\r
+/**\r
+ Converts a number of EFI_PAGEs to a size in bytes.\r
+\r
+ NOTE: Do not use EFI_PAGES_TO_SIZE because it handles UINTN only.\r
+\r
+ @param Pages The number of EFI_PAGES.\r
+\r
+ @return The number of bytes associated with the number of EFI_PAGEs specified\r
+ by Pages.\r
+**/\r
+UINT64\r
+EfiPagesToSize (\r
+ IN UINT64 Pages\r
+ )\r
+{\r
+ return LShiftU64 (Pages, EFI_PAGE_SHIFT);\r
+}\r
+\r
+/**\r
+ Converts a size, in bytes, to a number of EFI_PAGESs.\r
+\r
+ NOTE: Do not use EFI_SIZE_TO_PAGES because it handles UINTN only.\r
+\r
+ @param Size A size in bytes.\r
+\r
+ @return The number of EFI_PAGESs associated with the number of bytes specified\r
+ by Size.\r
+\r
+**/\r
+UINT64\r
+EfiSizeToPages (\r
+ IN UINT64 Size\r
+ )\r
+{\r
+ return RShiftU64 (Size, EFI_PAGE_SHIFT) + ((((UINTN)Size) & EFI_PAGE_MASK) ? 1 : 0);\r
+}\r
+\r
+/**\r
+ Acquire memory lock on mPropertiesTableLock.\r
+**/\r
+VOID\r
+CoreAcquirePropertiesTableLock (\r
+ VOID\r
+ )\r
+{\r
+ CoreAcquireLock (&mPropertiesTableLock);\r
+}\r
+\r
+/**\r
+ Release memory lock on mPropertiesTableLock.\r
+**/\r
+VOID\r
+CoreReleasePropertiesTableLock (\r
+ VOID\r
+ )\r
+{\r
+ CoreReleaseLock (&mPropertiesTableLock);\r
+}\r
+\r
+/**\r
+ Dump memory map.\r
+\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+VOID\r
+DumpMemoryMap (\r
+ IN EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ IN UINTN MemoryMapSize,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r
+ UINT64 MemoryBlockLength;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, " MemoryMap:\n"));\r
+ MemoryMapEntry = MemoryMap;\r
+ MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r
+ while (MemoryMapEntry < MemoryMapEnd) {\r
+ MemoryBlockLength = (UINT64) (EfiPagesToSize (MemoryMapEntry->NumberOfPages));\r
+ DEBUG ((EFI_D_VERBOSE, " Entry(0x%02x) 0x%016lx - 0x%016lx (0x%016lx)\n", MemoryMapEntry->Type, MemoryMapEntry->PhysicalStart, MemoryMapEntry->PhysicalStart + MemoryBlockLength, MemoryMapEntry->Attribute));\r
+ MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ }\r
+}\r
+\r
+/**\r
+ Sort memory map entries based upon PhysicalStart, from low to high.\r
+\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+VOID\r
+SortMemoryMap (\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ IN UINTN MemoryMapSize,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *NextMemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r
+ EFI_MEMORY_DESCRIPTOR TempMemoryMap;\r
+\r
+ MemoryMapEntry = MemoryMap;\r
+ NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r
+ while (MemoryMapEntry < MemoryMapEnd) {\r
+ while (NextMemoryMapEntry < MemoryMapEnd) {\r
+ if (MemoryMapEntry->PhysicalStart > NextMemoryMapEntry->PhysicalStart) {\r
+ CopyMem (&TempMemoryMap, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ CopyMem (MemoryMapEntry, NextMemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ CopyMem (NextMemoryMapEntry, &TempMemoryMap, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ }\r
+\r
+ NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (NextMemoryMapEntry, DescriptorSize);\r
+ }\r
+\r
+ MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ }\r
+\r
+ return ;\r
+}\r
+\r
+/**\r
+ Merge continous memory map entries whose have same attributes.\r
+\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param MemoryMapSize A pointer to the size, in bytes, of the\r
+ MemoryMap buffer. On input, this is the size of\r
+ the current memory map. On output,\r
+ it is the size of new memory map after merge.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+VOID\r
+MergeMemoryMap (\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ IN OUT UINTN *MemoryMapSize,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r
+ UINT64 MemoryBlockLength;\r
+ EFI_MEMORY_DESCRIPTOR *NewMemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *NextMemoryMapEntry;\r
+\r
+ MemoryMapEntry = MemoryMap;\r
+ NewMemoryMapEntry = MemoryMap;\r
+ MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + *MemoryMapSize);\r
+ while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r
+ CopyMem (NewMemoryMapEntry, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+\r
+ MemoryBlockLength = (UINT64) (EfiPagesToSize (MemoryMapEntry->NumberOfPages));\r
+ if (((UINTN)NextMemoryMapEntry < (UINTN)MemoryMapEnd) &&\r
+ (MemoryMapEntry->Type == NextMemoryMapEntry->Type) &&\r
+ (MemoryMapEntry->Attribute == NextMemoryMapEntry->Attribute) &&\r
+ ((MemoryMapEntry->PhysicalStart + MemoryBlockLength) == NextMemoryMapEntry->PhysicalStart)) {\r
+ NewMemoryMapEntry->NumberOfPages += NextMemoryMapEntry->NumberOfPages;\r
+ MemoryMapEntry = NextMemoryMapEntry;\r
+ }\r
+\r
+ MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ NewMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (NewMemoryMapEntry, DescriptorSize);\r
+ }\r
+\r
+ *MemoryMapSize = (UINTN)NewMemoryMapEntry - (UINTN)MemoryMap;\r
+\r
+ return ;\r
+}\r
+\r
+/**\r
+ Enforce memory map attributes.\r
+ This function will set EfiRuntimeServicesData/EfiMemoryMappedIO/EfiMemoryMappedIOPortSpace to be EFI_MEMORY_XP.\r
+\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+VOID\r
+EnforceMemoryMapAttribute (\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ IN UINTN MemoryMapSize,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r
+\r
+ MemoryMapEntry = MemoryMap;\r
+ MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r
+ while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r
+ switch (MemoryMapEntry->Type) {\r
+ case EfiRuntimeServicesCode:\r
+ // do nothing\r
+ break;\r
+ case EfiRuntimeServicesData:\r
+ case EfiMemoryMappedIO:\r
+ case EfiMemoryMappedIOPortSpace:\r
+ MemoryMapEntry->Attribute |= EFI_MEMORY_XP;\r
+ break;\r
+ case EfiReservedMemoryType:\r
+ case EfiACPIMemoryNVS:\r
+ break;\r
+ }\r
+\r
+ MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ }\r
+\r
+ return ;\r
+}\r
+\r
+/**\r
+ Sort memory map entries whose type is EfiRuntimeServicesCode/EfiRuntimeServicesData,\r
+ from high to low.\r
+ This function assumes memory map is already from low to high, so it just reverts them.\r
+\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+VOID\r
+RevertRuntimeMemoryMap (\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ IN UINTN MemoryMapSize,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r
+ EFI_MEMORY_DESCRIPTOR TempMemoryMap;\r
+\r
+ EFI_MEMORY_DESCRIPTOR *RuntimeMapEntryBegin;\r
+ EFI_MEMORY_DESCRIPTOR *RuntimeMapEntryEnd;\r
+\r
+ MemoryMapEntry = MemoryMap;\r
+ RuntimeMapEntryBegin = NULL;\r
+ RuntimeMapEntryEnd = NULL;\r
+ MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r
+ while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r
+ if ((MemoryMapEntry->Type == EfiRuntimeServicesCode) ||\r
+ (MemoryMapEntry->Type == EfiRuntimeServicesData)) {\r
+ if (RuntimeMapEntryBegin == NULL) {\r
+ RuntimeMapEntryBegin = MemoryMapEntry;\r
+ }\r
+ RuntimeMapEntryEnd = MemoryMapEntry;\r
+ }\r
+ MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ }\r
+\r
+ MemoryMapEntry = RuntimeMapEntryBegin;\r
+ MemoryMapEnd = RuntimeMapEntryEnd;\r
+ while (MemoryMapEntry < MemoryMapEnd) {\r
+ CopyMem (&TempMemoryMap, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ CopyMem (MemoryMapEntry, MemoryMapEnd, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ CopyMem (MemoryMapEnd, &TempMemoryMap, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+\r
+ MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r
+ MemoryMapEnd = PREVIOUS_MEMORY_DESCRIPTOR (MemoryMapEnd, DescriptorSize);\r
+ }\r
+\r
+ return ;\r
+}\r
+\r
+/**\r
+ Return the first image record, whose [ImageBase, ImageSize] covered by [Buffer, Length].\r
+\r
+ @param Buffer Start Address\r
+ @param Length Address length\r
+\r
+ @return first image record covered by [buffer, length]\r
+**/\r
+IMAGE_PROPERTIES_RECORD *\r
+GetImageRecordByAddress (\r
+ IN EFI_PHYSICAL_ADDRESS Buffer,\r
+ IN UINT64 Length\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ LIST_ENTRY *ImageRecordLink;\r
+ LIST_ENTRY *ImageRecordList;\r
+\r
+ ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r
+\r
+ for (ImageRecordLink = ImageRecordList->ForwardLink;\r
+ ImageRecordLink != ImageRecordList;\r
+ ImageRecordLink = ImageRecordLink->ForwardLink) {\r
+ ImageRecord = CR (\r
+ ImageRecordLink,\r
+ IMAGE_PROPERTIES_RECORD,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_SIGNATURE\r
+ );\r
+\r
+ if ((Buffer <= ImageRecord->ImageBase) &&\r
+ (Buffer + Length >= ImageRecord->ImageBase + ImageRecord->ImageSize)) {\r
+ return ImageRecord;\r
+ }\r
+ }\r
+\r
+ return NULL;\r
+}\r
+\r
+/**\r
+ Set the memory map to new entries, according to one old entry,\r
+ based upon PE code section and data section in image record\r
+\r
+ @param ImageRecord An image record whose [ImageBase, ImageSize] covered\r
+ by old memory map entry.\r
+ @param NewRecord A pointer to several new memory map entries.\r
+ The caller gurantee the buffer size be 1 +\r
+ (SplitRecordCount * DescriptorSize) calculated\r
+ below.\r
+ @param OldRecord A pointer to one old memory map entry.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+UINTN\r
+SetNewRecord (\r
+ IN IMAGE_PROPERTIES_RECORD *ImageRecord,\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *NewRecord,\r
+ IN EFI_MEMORY_DESCRIPTOR *OldRecord,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR TempRecord;\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r
+ LIST_ENTRY *ImageRecordCodeSectionLink;\r
+ LIST_ENTRY *ImageRecordCodeSectionEndLink;\r
+ LIST_ENTRY *ImageRecordCodeSectionList;\r
+ UINTN NewRecordCount;\r
+ UINT64 PhysicalEnd;\r
+ UINT64 ImageEnd;\r
+\r
+ CopyMem (&TempRecord, OldRecord, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ PhysicalEnd = TempRecord.PhysicalStart + EfiPagesToSize(TempRecord.NumberOfPages);\r
+ NewRecordCount = 0;\r
+\r
+ ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r
+\r
+ ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r
+ ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r
+ while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r
+ ImageRecordCodeSection = CR (\r
+ ImageRecordCodeSectionLink,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r
+ );\r
+ ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r
+\r
+ if (TempRecord.PhysicalStart <= ImageRecordCodeSection->CodeSegmentBase) {\r
+ //\r
+ // DATA\r
+ //\r
+ NewRecord->Type = EfiRuntimeServicesData;\r
+ NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r
+ NewRecord->VirtualStart = 0;\r
+ NewRecord->NumberOfPages = EfiSizeToPages(ImageRecordCodeSection->CodeSegmentBase - NewRecord->PhysicalStart);\r
+ NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r
+ if (NewRecord->NumberOfPages != 0) {\r
+ NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r
+ NewRecordCount ++;\r
+ }\r
+\r
+ //\r
+ // CODE\r
+ //\r
+ NewRecord->Type = EfiRuntimeServicesCode;\r
+ NewRecord->PhysicalStart = ImageRecordCodeSection->CodeSegmentBase;\r
+ NewRecord->VirtualStart = 0;\r
+ NewRecord->NumberOfPages = EfiSizeToPages(ImageRecordCodeSection->CodeSegmentSize);\r
+ NewRecord->Attribute = (TempRecord.Attribute & (~EFI_MEMORY_XP)) | EFI_MEMORY_RO;\r
+ if (NewRecord->NumberOfPages != 0) {\r
+ NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r
+ NewRecordCount ++;\r
+ }\r
+\r
+ TempRecord.PhysicalStart = ImageRecordCodeSection->CodeSegmentBase + EfiPagesToSize (EfiSizeToPages(ImageRecordCodeSection->CodeSegmentSize));\r
+ TempRecord.NumberOfPages = EfiSizeToPages(PhysicalEnd - TempRecord.PhysicalStart);\r
+ if (TempRecord.NumberOfPages == 0) {\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ ImageEnd = ImageRecord->ImageBase + ImageRecord->ImageSize;\r
+\r
+ //\r
+ // Final DATA\r
+ //\r
+ if (TempRecord.PhysicalStart < ImageEnd) {\r
+ NewRecord->Type = EfiRuntimeServicesData;\r
+ NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r
+ NewRecord->VirtualStart = 0;\r
+ NewRecord->NumberOfPages = EfiSizeToPages (ImageEnd - TempRecord.PhysicalStart);\r
+ NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r
+ NewRecordCount ++;\r
+ }\r
+\r
+ return NewRecordCount;\r
+}\r
+\r
+/**\r
+ Return the max number of new splitted entries, according to one old entry,\r
+ based upon PE code section and data section.\r
+\r
+ @param OldRecord A pointer to one old memory map entry.\r
+\r
+ @retval 0 no entry need to be splitted.\r
+ @return the max number of new splitted entries\r
+**/\r
+UINTN\r
+GetMaxSplitRecordCount (\r
+ IN EFI_MEMORY_DESCRIPTOR *OldRecord\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ UINTN SplitRecordCount;\r
+ UINT64 PhysicalStart;\r
+ UINT64 PhysicalEnd;\r
+\r
+ SplitRecordCount = 0;\r
+ PhysicalStart = OldRecord->PhysicalStart;\r
+ PhysicalEnd = OldRecord->PhysicalStart + EfiPagesToSize(OldRecord->NumberOfPages);\r
+\r
+ do {\r
+ ImageRecord = GetImageRecordByAddress (PhysicalStart, PhysicalEnd - PhysicalStart);\r
+ if (ImageRecord == NULL) {\r
+ break;\r
+ }\r
+ SplitRecordCount += (2 * ImageRecord->CodeSegmentCount + 1);\r
+ PhysicalStart = ImageRecord->ImageBase + ImageRecord->ImageSize;\r
+ } while ((ImageRecord != NULL) && (PhysicalStart < PhysicalEnd));\r
+\r
+ if (SplitRecordCount != 0) {\r
+ SplitRecordCount--;\r
+ }\r
+\r
+ return SplitRecordCount;\r
+}\r
+\r
+/**\r
+ Split the memory map to new entries, according to one old entry,\r
+ based upon PE code section and data section.\r
+\r
+ @param OldRecord A pointer to one old memory map entry.\r
+ @param NewRecord A pointer to several new memory map entries.\r
+ The caller gurantee the buffer size be 1 +\r
+ (SplitRecordCount * DescriptorSize) calculated\r
+ below.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+\r
+ @retval 0 no entry is splitted.\r
+ @return the real number of splitted record.\r
+**/\r
+UINTN\r
+SplitRecord (\r
+ IN EFI_MEMORY_DESCRIPTOR *OldRecord,\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *NewRecord,\r
+ IN UINTN MaxSplitRecordCount,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ EFI_MEMORY_DESCRIPTOR TempRecord;\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ IMAGE_PROPERTIES_RECORD *NewImageRecord;\r
+ UINT64 PhysicalStart;\r
+ UINT64 PhysicalEnd;\r
+ UINTN NewRecordCount;\r
+ UINTN TotalNewRecordCount;\r
+\r
+ if (MaxSplitRecordCount == 0) {\r
+ CopyMem (NewRecord, OldRecord, DescriptorSize);\r
+ return 0;\r
+ }\r
+\r
+ TotalNewRecordCount = 0;\r
+\r
+ //\r
+ // Override previous record\r
+ //\r
+ CopyMem (&TempRecord, OldRecord, sizeof(EFI_MEMORY_DESCRIPTOR));\r
+ PhysicalStart = TempRecord.PhysicalStart;\r
+ PhysicalEnd = TempRecord.PhysicalStart + EfiPagesToSize(TempRecord.NumberOfPages);\r
+\r
+ ImageRecord = NULL;\r
+ do {\r
+ NewImageRecord = GetImageRecordByAddress (PhysicalStart, PhysicalEnd - PhysicalStart);\r
+ if (NewImageRecord == NULL) {\r
+ //\r
+ // No more image covered by this range, stop\r
+ //\r
+ if ((PhysicalEnd > PhysicalStart) && (ImageRecord != NULL)) {\r
+ //\r
+ // If this is still address in this record, need record.\r
+ //\r
+ NewRecord = PREVIOUS_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r
+ if (NewRecord->Type == EfiRuntimeServicesData) {\r
+ //\r
+ // Last record is DATA, just merge it.\r
+ //\r
+ NewRecord->NumberOfPages = EfiSizeToPages(PhysicalEnd - NewRecord->PhysicalStart);\r
+ } else {\r
+ //\r
+ // Last record is CODE, create a new DATA entry.\r
+ //\r
+ NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r
+ NewRecord->Type = EfiRuntimeServicesData;\r
+ NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r
+ NewRecord->VirtualStart = 0;\r
+ NewRecord->NumberOfPages = TempRecord.NumberOfPages;\r
+ NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r
+ TotalNewRecordCount ++;\r
+ }\r
+ }\r
+ break;\r
+ }\r
+ ImageRecord = NewImageRecord;\r
+\r
+ //\r
+ // Set new record\r
+ //\r
+ NewRecordCount = SetNewRecord (ImageRecord, NewRecord, &TempRecord, DescriptorSize);\r
+ TotalNewRecordCount += NewRecordCount;\r
+ NewRecord = (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)NewRecord + NewRecordCount * DescriptorSize);\r
+\r
+ //\r
+ // Update PhysicalStart, in order to exclude the image buffer already splitted.\r
+ //\r
+ PhysicalStart = ImageRecord->ImageBase + ImageRecord->ImageSize;\r
+ TempRecord.PhysicalStart = PhysicalStart;\r
+ TempRecord.NumberOfPages = EfiSizeToPages (PhysicalEnd - PhysicalStart);\r
+ } while ((ImageRecord != NULL) && (PhysicalStart < PhysicalEnd));\r
+\r
+ return TotalNewRecordCount - 1;\r
+}\r
+\r
+/**\r
+ Split the original memory map, and add more entries to describe PE code section and data section.\r
+ This function will set EfiRuntimeServicesData to be EFI_MEMORY_XP.\r
+ This function will merge entries with same attributes finally.\r
+\r
+ NOTE: It assumes PE code/data section are page aligned.\r
+ NOTE: It assumes enough entry is prepared for new memory map.\r
+\r
+ Split table:\r
+ +---------------+\r
+ | Record X |\r
+ +---------------+\r
+ | Record RtCode |\r
+ +---------------+\r
+ | Record Y |\r
+ +---------------+\r
+ ==>\r
+ +---------------+\r
+ | Record X |\r
+ +---------------+ ----\r
+ | Record RtData | |\r
+ +---------------+ |\r
+ | Record RtCode | |-> PE/COFF1\r
+ +---------------+ |\r
+ | Record RtData | |\r
+ +---------------+ ----\r
+ | Record RtData | |\r
+ +---------------+ |\r
+ | Record RtCode | |-> PE/COFF2\r
+ +---------------+ |\r
+ | Record RtData | |\r
+ +---------------+ ----\r
+ | Record Y |\r
+ +---------------+\r
+\r
+ @param MemoryMapSize A pointer to the size, in bytes, of the\r
+ MemoryMap buffer. On input, this is the size of\r
+ old MemoryMap before split. The actual buffer\r
+ size of MemoryMap is MemoryMapSize +\r
+ (AdditionalRecordCount * DescriptorSize) calculated\r
+ below. On output, it is the size of new MemoryMap\r
+ after split.\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r
+**/\r
+VOID\r
+SplitTable (\r
+ IN OUT UINTN *MemoryMapSize,\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ IN UINTN DescriptorSize\r
+ )\r
+{\r
+ INTN IndexOld;\r
+ INTN IndexNew;\r
+ UINTN MaxSplitRecordCount;\r
+ UINTN RealSplitRecordCount;\r
+ UINTN TotalSplitRecordCount;\r
+ UINTN AdditionalRecordCount;\r
+\r
+ AdditionalRecordCount = (2 * mImagePropertiesPrivateData.CodeSegmentCountMax + 1) * mImagePropertiesPrivateData.ImageRecordCount;\r
+\r
+ TotalSplitRecordCount = 0;\r
+ //\r
+ // Let old record point to end of valid MemoryMap buffer.\r
+ //\r
+ IndexOld = ((*MemoryMapSize) / DescriptorSize) - 1;\r
+ //\r
+ // Let new record point to end of full MemoryMap buffer.\r
+ //\r
+ IndexNew = ((*MemoryMapSize) / DescriptorSize) - 1 + AdditionalRecordCount;\r
+ for (; IndexOld >= 0; IndexOld--) {\r
+ MaxSplitRecordCount = GetMaxSplitRecordCount ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexOld * DescriptorSize));\r
+ //\r
+ // Split this MemoryMap record\r
+ //\r
+ IndexNew -= MaxSplitRecordCount;\r
+ RealSplitRecordCount = SplitRecord (\r
+ (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexOld * DescriptorSize),\r
+ (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexNew * DescriptorSize),\r
+ MaxSplitRecordCount,\r
+ DescriptorSize\r
+ );\r
+ //\r
+ // Adjust IndexNew according to real split.\r
+ //\r
+ CopyMem (\r
+ ((UINT8 *)MemoryMap + (IndexNew + MaxSplitRecordCount - RealSplitRecordCount) * DescriptorSize),\r
+ ((UINT8 *)MemoryMap + IndexNew * DescriptorSize),\r
+ RealSplitRecordCount * DescriptorSize\r
+ );\r
+ IndexNew = IndexNew + MaxSplitRecordCount - RealSplitRecordCount;\r
+ TotalSplitRecordCount += RealSplitRecordCount;\r
+ IndexNew --;\r
+ }\r
+ //\r
+ // Move all records to the beginning.\r
+ //\r
+ CopyMem (\r
+ MemoryMap,\r
+ (UINT8 *)MemoryMap + (AdditionalRecordCount - TotalSplitRecordCount) * DescriptorSize,\r
+ (*MemoryMapSize) + TotalSplitRecordCount * DescriptorSize\r
+ );\r
+\r
+ *MemoryMapSize = (*MemoryMapSize) + DescriptorSize * TotalSplitRecordCount;\r
+\r
+ //\r
+ // Sort from low to high (Just in case)\r
+ //\r
+ SortMemoryMap (MemoryMap, *MemoryMapSize, DescriptorSize);\r
+\r
+ //\r
+ // Set RuntimeData to XP\r
+ //\r
+ EnforceMemoryMapAttribute (MemoryMap, *MemoryMapSize, DescriptorSize);\r
+\r
+ //\r
+ // Merge same type to save entry size\r
+ //\r
+ MergeMemoryMap (MemoryMap, MemoryMapSize, DescriptorSize);\r
+\r
+ return ;\r
+}\r
+\r
+/**\r
+ This function for GetMemoryMap() with properties table.\r
+\r
+ It calls original GetMemoryMap() to get the original memory map information. Then\r
+ plus the additional memory map entries for PE Code/Data seperation.\r
+\r
+ @param MemoryMapSize A pointer to the size, in bytes, of the\r
+ MemoryMap buffer. On input, this is the size of\r
+ the buffer allocated by the caller. On output,\r
+ it is the size of the buffer returned by the\r
+ firmware if the buffer was large enough, or the\r
+ size of the buffer needed to contain the map if\r
+ the buffer was too small.\r
+ @param MemoryMap A pointer to the buffer in which firmware places\r
+ the current memory map.\r
+ @param MapKey A pointer to the location in which firmware\r
+ returns the key for the current memory map.\r
+ @param DescriptorSize A pointer to the location in which firmware\r
+ returns the size, in bytes, of an individual\r
+ EFI_MEMORY_DESCRIPTOR.\r
+ @param DescriptorVersion A pointer to the location in which firmware\r
+ returns the version number associated with the\r
+ EFI_MEMORY_DESCRIPTOR.\r
+\r
+ @retval EFI_SUCCESS The memory map was returned in the MemoryMap\r
+ buffer.\r
+ @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current\r
+ buffer size needed to hold the memory map is\r
+ returned in MemoryMapSize.\r
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreGetMemoryMapPropertiesTable (\r
+ IN OUT UINTN *MemoryMapSize,\r
+ IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
+ OUT UINTN *MapKey,\r
+ OUT UINTN *DescriptorSize,\r
+ OUT UINT32 *DescriptorVersion\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN OldMemoryMapSize;\r
+ UINTN AdditionalRecordCount;\r
+\r
+ //\r
+ // If PE code/data is not aligned, just return.\r
+ //\r
+ if ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) == 0) {\r
+ return CoreGetMemoryMap (MemoryMapSize, MemoryMap, MapKey, DescriptorSize, DescriptorVersion);\r
+ }\r
+\r
+ if (MemoryMapSize == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ CoreAcquirePropertiesTableLock ();\r
+\r
+ AdditionalRecordCount = (2 * mImagePropertiesPrivateData.CodeSegmentCountMax + 1) * mImagePropertiesPrivateData.ImageRecordCount;\r
+\r
+ OldMemoryMapSize = *MemoryMapSize;\r
+ Status = CoreGetMemoryMap (MemoryMapSize, MemoryMap, MapKey, DescriptorSize, DescriptorVersion);\r
+ if (Status == EFI_BUFFER_TOO_SMALL) {\r
+ *MemoryMapSize = *MemoryMapSize + (*DescriptorSize) * AdditionalRecordCount;\r
+ } else if (Status == EFI_SUCCESS) {\r
+ if (OldMemoryMapSize - *MemoryMapSize < (*DescriptorSize) * AdditionalRecordCount) {\r
+ *MemoryMapSize = *MemoryMapSize + (*DescriptorSize) * AdditionalRecordCount;\r
+ //\r
+ // Need update status to buffer too small\r
+ //\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ } else {\r
+ //\r
+ // Split PE code/data\r
+ //\r
+ SplitTable (MemoryMapSize, MemoryMap, *DescriptorSize);\r
+ }\r
+ }\r
+\r
+ CoreReleasePropertiesTableLock ();\r
+ return Status;\r
+}\r
+\r
+//\r
+// Below functions are for ImageRecord\r
+//\r
+\r
+/**\r
+ Set PropertiesTable accroding to PE/COFF image section alignment.\r
+\r
+ @param SectionAlignment PE/COFF section alignment\r
+**/\r
+VOID\r
+SetPropertiesTableSectionAlignment (\r
+ IN UINT32 SectionAlignment\r
+ )\r
+{\r
+ if (((SectionAlignment & (SIZE_4KB - 1)) != 0) &&\r
+ ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) != 0)) {\r
+ DEBUG ((EFI_D_VERBOSE, "SetPropertiesTableSectionAlignment - Clear\n"));\r
+ mPropertiesTable.MemoryProtectionAttribute &= ~EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA;\r
+ gBS->GetMemoryMap = CoreGetMemoryMap;\r
+ gBS->Hdr.CRC32 = 0;\r
+ gBS->CalculateCrc32 ((UINT8 *)gBS, gBS->Hdr.HeaderSize, &gBS->Hdr.CRC32);\r
+ }\r
+}\r
+\r
+/**\r
+ Swap two code sections in image record.\r
+\r
+ @param FirstImageRecordCodeSection first code section in image record\r
+ @param SecondImageRecordCodeSection second code section in image record\r
+**/\r
+VOID\r
+SwapImageRecordCodeSection (\r
+ IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *FirstImageRecordCodeSection,\r
+ IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *SecondImageRecordCodeSection\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION TempImageRecordCodeSection;\r
+\r
+ TempImageRecordCodeSection.CodeSegmentBase = FirstImageRecordCodeSection->CodeSegmentBase;\r
+ TempImageRecordCodeSection.CodeSegmentSize = FirstImageRecordCodeSection->CodeSegmentSize;\r
+\r
+ FirstImageRecordCodeSection->CodeSegmentBase = SecondImageRecordCodeSection->CodeSegmentBase;\r
+ FirstImageRecordCodeSection->CodeSegmentSize = SecondImageRecordCodeSection->CodeSegmentSize;\r
+\r
+ SecondImageRecordCodeSection->CodeSegmentBase = TempImageRecordCodeSection.CodeSegmentBase;\r
+ SecondImageRecordCodeSection->CodeSegmentSize = TempImageRecordCodeSection.CodeSegmentSize;\r
+}\r
+\r
+/**\r
+ Sort code section in image record, based upon CodeSegmentBase from low to high.\r
+\r
+ @param ImageRecord image record to be sorted\r
+**/\r
+VOID\r
+SortImageRecordCodeSection (\r
+ IN IMAGE_PROPERTIES_RECORD *ImageRecord\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *NextImageRecordCodeSection;\r
+ LIST_ENTRY *ImageRecordCodeSectionLink;\r
+ LIST_ENTRY *NextImageRecordCodeSectionLink;\r
+ LIST_ENTRY *ImageRecordCodeSectionEndLink;\r
+ LIST_ENTRY *ImageRecordCodeSectionList;\r
+\r
+ ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r
+\r
+ ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r
+ NextImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r
+ ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r
+ while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r
+ ImageRecordCodeSection = CR (\r
+ ImageRecordCodeSectionLink,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r
+ );\r
+ while (NextImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r
+ NextImageRecordCodeSection = CR (\r
+ NextImageRecordCodeSectionLink,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r
+ );\r
+ if (ImageRecordCodeSection->CodeSegmentBase > NextImageRecordCodeSection->CodeSegmentBase) {\r
+ SwapImageRecordCodeSection (ImageRecordCodeSection, NextImageRecordCodeSection);\r
+ }\r
+ NextImageRecordCodeSectionLink = NextImageRecordCodeSectionLink->ForwardLink;\r
+ }\r
+\r
+ ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r
+ NextImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r
+ }\r
+}\r
+\r
+/**\r
+ Check if code section in image record is valid\r
+\r
+ @param ImageRecord image record to be checked\r
+\r
+ @retval TRUE image record is valid\r
+ @retval FALSE image record is invalid\r
+**/\r
+BOOLEAN\r
+IsImageRecordCodeSectionValid (\r
+ IN IMAGE_PROPERTIES_RECORD *ImageRecord\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *LastImageRecordCodeSection;\r
+ LIST_ENTRY *ImageRecordCodeSectionLink;\r
+ LIST_ENTRY *ImageRecordCodeSectionEndLink;\r
+ LIST_ENTRY *ImageRecordCodeSectionList;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "ImageCode SegmentCount - 0x%x\n", ImageRecord->CodeSegmentCount));\r
+\r
+ ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r
+\r
+ ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r
+ ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r
+ LastImageRecordCodeSection = NULL;\r
+ while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r
+ ImageRecordCodeSection = CR (\r
+ ImageRecordCodeSectionLink,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r
+ );\r
+ if (ImageRecordCodeSection->CodeSegmentSize == 0) {\r
+ return FALSE;\r
+ }\r
+ if (ImageRecordCodeSection->CodeSegmentBase < ImageRecord->ImageBase) {\r
+ return FALSE;\r
+ }\r
+ if (ImageRecordCodeSection->CodeSegmentBase >= MAX_ADDRESS - ImageRecordCodeSection->CodeSegmentSize) {\r
+ return FALSE;\r
+ }\r
+ if ((ImageRecordCodeSection->CodeSegmentBase + ImageRecordCodeSection->CodeSegmentSize) > (ImageRecord->ImageBase + ImageRecord->ImageSize)) {\r
+ return FALSE;\r
+ }\r
+ if (LastImageRecordCodeSection != NULL) {\r
+ if ((LastImageRecordCodeSection->CodeSegmentBase + LastImageRecordCodeSection->CodeSegmentSize) > ImageRecordCodeSection->CodeSegmentBase) {\r
+ return FALSE;\r
+ }\r
+ }\r
+\r
+ LastImageRecordCodeSection = ImageRecordCodeSection;\r
+ ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r
+ }\r
+\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Swap two image records.\r
+\r
+ @param FirstImageRecord first image record.\r
+ @param SecondImageRecord second image record.\r
+**/\r
+VOID\r
+SwapImageRecord (\r
+ IN IMAGE_PROPERTIES_RECORD *FirstImageRecord,\r
+ IN IMAGE_PROPERTIES_RECORD *SecondImageRecord\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD TempImageRecord;\r
+\r
+ TempImageRecord.ImageBase = FirstImageRecord->ImageBase;\r
+ TempImageRecord.ImageSize = FirstImageRecord->ImageSize;\r
+ TempImageRecord.CodeSegmentCount = FirstImageRecord->CodeSegmentCount;\r
+\r
+ FirstImageRecord->ImageBase = SecondImageRecord->ImageBase;\r
+ FirstImageRecord->ImageSize = SecondImageRecord->ImageSize;\r
+ FirstImageRecord->CodeSegmentCount = SecondImageRecord->CodeSegmentCount;\r
+\r
+ SecondImageRecord->ImageBase = TempImageRecord.ImageBase;\r
+ SecondImageRecord->ImageSize = TempImageRecord.ImageSize;\r
+ SecondImageRecord->CodeSegmentCount = TempImageRecord.CodeSegmentCount;\r
+\r
+ SwapListEntries (&FirstImageRecord->CodeSegmentList, &SecondImageRecord->CodeSegmentList);\r
+}\r
+\r
+/**\r
+ Sort image record based upon the ImageBase from low to high.\r
+**/\r
+VOID\r
+SortImageRecord (\r
+ VOID\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ IMAGE_PROPERTIES_RECORD *NextImageRecord;\r
+ LIST_ENTRY *ImageRecordLink;\r
+ LIST_ENTRY *NextImageRecordLink;\r
+ LIST_ENTRY *ImageRecordEndLink;\r
+ LIST_ENTRY *ImageRecordList;\r
+\r
+ ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r
+\r
+ ImageRecordLink = ImageRecordList->ForwardLink;\r
+ NextImageRecordLink = ImageRecordLink->ForwardLink;\r
+ ImageRecordEndLink = ImageRecordList;\r
+ while (ImageRecordLink != ImageRecordEndLink) {\r
+ ImageRecord = CR (\r
+ ImageRecordLink,\r
+ IMAGE_PROPERTIES_RECORD,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_SIGNATURE\r
+ );\r
+ while (NextImageRecordLink != ImageRecordEndLink) {\r
+ NextImageRecord = CR (\r
+ NextImageRecordLink,\r
+ IMAGE_PROPERTIES_RECORD,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_SIGNATURE\r
+ );\r
+ if (ImageRecord->ImageBase > NextImageRecord->ImageBase) {\r
+ SwapImageRecord (ImageRecord, NextImageRecord);\r
+ }\r
+ NextImageRecordLink = NextImageRecordLink->ForwardLink;\r
+ }\r
+\r
+ ImageRecordLink = ImageRecordLink->ForwardLink;\r
+ NextImageRecordLink = ImageRecordLink->ForwardLink;\r
+ }\r
+}\r
+\r
+/**\r
+ Dump image record\r
+**/\r
+VOID\r
+DumpImageRecord (\r
+ VOID\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ LIST_ENTRY *ImageRecordLink;\r
+ LIST_ENTRY *ImageRecordList;\r
+ UINTN Index;\r
+\r
+ ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r
+\r
+ for (ImageRecordLink = ImageRecordList->ForwardLink, Index= 0;\r
+ ImageRecordLink != ImageRecordList;\r
+ ImageRecordLink = ImageRecordLink->ForwardLink, Index++) {\r
+ ImageRecord = CR (\r
+ ImageRecordLink,\r
+ IMAGE_PROPERTIES_RECORD,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_SIGNATURE\r
+ );\r
+ DEBUG ((EFI_D_VERBOSE, " Image[%d]: 0x%016lx - 0x%016lx\n", Index, ImageRecord->ImageBase, ImageRecord->ImageSize));\r
+ }\r
+}\r
+\r
+/**\r
+ Insert image record.\r
+\r
+ @param RuntimeImage Runtime image information\r
+**/\r
+VOID\r
+InsertImageRecord (\r
+ IN EFI_RUNTIME_IMAGE_ENTRY *RuntimeImage\r
+ )\r
+{\r
+ VOID *ImageAddress;\r
+ EFI_IMAGE_DOS_HEADER *DosHdr;\r
+ UINT32 PeCoffHeaderOffset;\r
+ UINT32 SectionAlignment;\r
+ UINT16 ImageType;\r
+ EFI_IMAGE_SECTION_HEADER *Section;\r
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
+ UINT16 Magic;\r
+ UINT8 *Name;\r
+ UINTN Index;\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ CHAR8 *PdbPointer;\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "InsertImageRecord - 0x%x\n", RuntimeImage));\r
+ DEBUG ((EFI_D_VERBOSE, "InsertImageRecord - 0x%016lx - 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize));\r
+\r
+ ImageRecord = AllocatePool (sizeof(*ImageRecord));\r
+ if (ImageRecord == NULL) {\r
+ return ;\r
+ }\r
+ ImageRecord->Signature = IMAGE_PROPERTIES_RECORD_SIGNATURE;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "ImageRecordCount - 0x%x\n", mImagePropertiesPrivateData.ImageRecordCount));\r
+\r
+ //\r
+ // Step 1: record whole region\r
+ //\r
+ ImageRecord->ImageBase = (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase;\r
+ ImageRecord->ImageSize = RuntimeImage->ImageSize;\r
+\r
+ ImageAddress = RuntimeImage->ImageBase;\r
+\r
+ PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r
+ if (PdbPointer != NULL) {\r
+ DEBUG ((EFI_D_VERBOSE, " Image - %a\n", PdbPointer));\r
+ }\r
+\r
+ //\r
+ // Check PE/COFF image\r
+ //\r
+ DosHdr = (EFI_IMAGE_DOS_HEADER *) (UINTN) ImageAddress;\r
+ PeCoffHeaderOffset = 0;\r
+ if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
+ PeCoffHeaderOffset = DosHdr->e_lfanew;\r
+ }\r
+\r
+ Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINT8 *) (UINTN) ImageAddress + PeCoffHeaderOffset);\r
+ if (Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r
+ DEBUG ((EFI_D_VERBOSE, "Hdr.Pe32->Signature invalid - 0x%x\n", Hdr.Pe32->Signature));\r
+ // It might be image in SMM.\r
+ goto Finish;\r
+ }\r
+\r
+ //\r
+ // Measuring PE/COFF Image Header;\r
+ // But CheckSum field and SECURITY data directory (certificate) are excluded\r
+ //\r
+ if (Hdr.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r
+ //\r
+ // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r
+ // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r
+ // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r
+ // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r
+ //\r
+ Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r
+ ImageType = Hdr.Pe32->OptionalHeader.Subsystem;\r
+ SectionAlignment = Hdr.Pe32->OptionalHeader.SectionAlignment;\r
+ } else {\r
+ //\r
+ // Get the magic value from the PE/COFF Optional Header\r
+ //\r
+ Magic = Hdr.Pe32->OptionalHeader.Magic;\r
+ ImageType = Hdr.Pe32Plus->OptionalHeader.Subsystem;\r
+ SectionAlignment = Hdr.Pe32Plus->OptionalHeader.SectionAlignment;\r
+ }\r
+\r
+ SetPropertiesTableSectionAlignment (SectionAlignment);\r
+ if ((SectionAlignment & (SIZE_4KB - 1)) != 0) {\r
+ DEBUG ((EFI_D_ERROR, "!!!!!!!! InsertImageRecord - Section Alignment(0x%x) is not 4K !!!!!!!!\n", SectionAlignment));\r
+ PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r
+ if (PdbPointer != NULL) {\r
+ DEBUG ((EFI_D_ERROR, "!!!!!!!! Image - %a !!!!!!!!\n", PdbPointer));\r
+ }\r
+ goto Finish;\r
+ }\r
+\r
+ Section = (EFI_IMAGE_SECTION_HEADER *) (\r
+ (UINT8 *) (UINTN) ImageAddress +\r
+ PeCoffHeaderOffset +\r
+ sizeof(UINT32) +\r
+ sizeof(EFI_IMAGE_FILE_HEADER) +\r
+ Hdr.Pe32->FileHeader.SizeOfOptionalHeader\r
+ );\r
+ ImageRecord->CodeSegmentCount = 0;\r
+ InitializeListHead (&ImageRecord->CodeSegmentList);\r
+ for (Index = 0; Index < Hdr.Pe32->FileHeader.NumberOfSections; Index++) {\r
+ Name = Section[Index].Name;\r
+ DEBUG ((\r
+ EFI_D_VERBOSE,\r
+ " Section - '%c%c%c%c%c%c%c%c'\n",\r
+ Name[0],\r
+ Name[1],\r
+ Name[2],\r
+ Name[3],\r
+ Name[4],\r
+ Name[5],\r
+ Name[6],\r
+ Name[7]\r
+ ));\r
+\r
+ if ((Section[Index].Characteristics & EFI_IMAGE_SCN_CNT_CODE) != 0) {\r
+ DEBUG ((EFI_D_VERBOSE, " VirtualSize - 0x%08x\n", Section[Index].Misc.VirtualSize));\r
+ DEBUG ((EFI_D_VERBOSE, " VirtualAddress - 0x%08x\n", Section[Index].VirtualAddress));\r
+ DEBUG ((EFI_D_VERBOSE, " SizeOfRawData - 0x%08x\n", Section[Index].SizeOfRawData));\r
+ DEBUG ((EFI_D_VERBOSE, " PointerToRawData - 0x%08x\n", Section[Index].PointerToRawData));\r
+ DEBUG ((EFI_D_VERBOSE, " PointerToRelocations - 0x%08x\n", Section[Index].PointerToRelocations));\r
+ DEBUG ((EFI_D_VERBOSE, " PointerToLinenumbers - 0x%08x\n", Section[Index].PointerToLinenumbers));\r
+ DEBUG ((EFI_D_VERBOSE, " NumberOfRelocations - 0x%08x\n", Section[Index].NumberOfRelocations));\r
+ DEBUG ((EFI_D_VERBOSE, " NumberOfLinenumbers - 0x%08x\n", Section[Index].NumberOfLinenumbers));\r
+ DEBUG ((EFI_D_VERBOSE, " Characteristics - 0x%08x\n", Section[Index].Characteristics));\r
+\r
+ //\r
+ // Step 2: record code section\r
+ //\r
+ ImageRecordCodeSection = AllocatePool (sizeof(*ImageRecordCodeSection));\r
+ if (ImageRecordCodeSection == NULL) {\r
+ return ;\r
+ }\r
+ ImageRecordCodeSection->Signature = IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE;\r
+\r
+ ImageRecordCodeSection->CodeSegmentBase = (UINTN)ImageAddress + Section[Index].VirtualAddress;\r
+ ImageRecordCodeSection->CodeSegmentSize = Section[Index].SizeOfRawData;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "ImageCode: 0x%016lx - 0x%016lx\n", ImageRecordCodeSection->CodeSegmentBase, ImageRecordCodeSection->CodeSegmentSize));\r
+\r
+ InsertTailList (&ImageRecord->CodeSegmentList, &ImageRecordCodeSection->Link);\r
+ ImageRecord->CodeSegmentCount++;\r
+ }\r
+ }\r
+\r
+ if (ImageRecord->CodeSegmentCount == 0) {\r
+ SetPropertiesTableSectionAlignment (1);\r
+ DEBUG ((EFI_D_ERROR, "!!!!!!!! InsertImageRecord - CodeSegmentCount is 0 !!!!!!!!\n"));\r
+ PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r
+ if (PdbPointer != NULL) {\r
+ DEBUG ((EFI_D_ERROR, "!!!!!!!! Image - %a !!!!!!!!\n", PdbPointer));\r
+ }\r
+ goto Finish;\r
+ }\r
+\r
+ //\r
+ // Final\r
+ //\r
+ SortImageRecordCodeSection (ImageRecord);\r
+ //\r
+ // Check overlap all section in ImageBase/Size\r
+ //\r
+ if (!IsImageRecordCodeSectionValid (ImageRecord)) {\r
+ DEBUG ((EFI_D_ERROR, "IsImageRecordCodeSectionValid - FAIL\n"));\r
+ goto Finish;\r
+ }\r
+\r
+ InsertTailList (&mImagePropertiesPrivateData.ImageRecordList, &ImageRecord->Link);\r
+ mImagePropertiesPrivateData.ImageRecordCount++;\r
+\r
+ SortImageRecord ();\r
+\r
+ if (mImagePropertiesPrivateData.CodeSegmentCountMax < ImageRecord->CodeSegmentCount) {\r
+ mImagePropertiesPrivateData.CodeSegmentCountMax = ImageRecord->CodeSegmentCount;\r
+ }\r
+\r
+Finish:\r
+ return ;\r
+}\r
+\r
+/**\r
+ Find image record accroding to image base and size.\r
+\r
+ @param ImageBase Base of PE image\r
+ @param ImageSize Size of PE image\r
+\r
+ @return image record\r
+**/\r
+IMAGE_PROPERTIES_RECORD *\r
+FindImageRecord (\r
+ IN EFI_PHYSICAL_ADDRESS ImageBase,\r
+ IN UINT64 ImageSize\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ LIST_ENTRY *ImageRecordLink;\r
+ LIST_ENTRY *ImageRecordList;\r
+\r
+ ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r
+\r
+ for (ImageRecordLink = ImageRecordList->ForwardLink;\r
+ ImageRecordLink != ImageRecordList;\r
+ ImageRecordLink = ImageRecordLink->ForwardLink) {\r
+ ImageRecord = CR (\r
+ ImageRecordLink,\r
+ IMAGE_PROPERTIES_RECORD,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_SIGNATURE\r
+ );\r
+\r
+ if ((ImageBase == ImageRecord->ImageBase) &&\r
+ (ImageSize == ImageRecord->ImageSize)) {\r
+ return ImageRecord;\r
+ }\r
+ }\r
+\r
+ return NULL;\r
+}\r
+\r
+/**\r
+ Remove Image record.\r
+\r
+ @param RuntimeImage Runtime image information\r
+**/\r
+VOID\r
+RemoveImageRecord (\r
+ IN EFI_RUNTIME_IMAGE_ENTRY *RuntimeImage\r
+ )\r
+{\r
+ IMAGE_PROPERTIES_RECORD *ImageRecord;\r
+ LIST_ENTRY *CodeSegmentListHead;\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "RemoveImageRecord - 0x%x\n", RuntimeImage));\r
+ DEBUG ((EFI_D_VERBOSE, "RemoveImageRecord - 0x%016lx - 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize));\r
+\r
+ ImageRecord = FindImageRecord ((EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize);\r
+ if (ImageRecord == NULL) {\r
+ DEBUG ((EFI_D_ERROR, "!!!!!!!! ImageRecord not found !!!!!!!!\n"));\r
+ return ;\r
+ }\r
+\r
+ CodeSegmentListHead = &ImageRecord->CodeSegmentList;\r
+ while (!IsListEmpty (CodeSegmentListHead)) {\r
+ ImageRecordCodeSection = CR (\r
+ CodeSegmentListHead->ForwardLink,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r
+ Link,\r
+ IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r
+ );\r
+ RemoveEntryList (&ImageRecordCodeSection->Link);\r
+ FreePool (ImageRecordCodeSection);\r
+ }\r
+\r
+ RemoveEntryList (&ImageRecord->Link);\r
+ FreePool (ImageRecord);\r
+ mImagePropertiesPrivateData.ImageRecordCount--;\r
+}\r
+\r
+\r
+/**\r
+ Install PropertiesTable.\r
+\r
+ @param[in] Event The Event this notify function registered to.\r
+ @param[in] Context Pointer to the context data registered to the Event.\r
+**/\r
+VOID\r
+EFIAPI\r
+InstallPropertiesTable (\r
+ EFI_EVENT Event,\r
+ VOID *Context\r
+ )\r
+{\r
+ if (PcdGetBool (PropertiesTableEnable)) {\r
+ EFI_STATUS Status;\r
+\r
+ Status = gBS->InstallConfigurationTable (&gEfiPropertiesTableGuid, &mPropertiesTable);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ DEBUG ((EFI_D_INFO, "MemoryProtectionAttribute - 0x%016lx\n", mPropertiesTable.MemoryProtectionAttribute));\r
+ if ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) == 0) {\r
+ return ;\r
+ }\r
+\r
+ gBS->GetMemoryMap = CoreGetMemoryMapPropertiesTable;\r
+ gBS->Hdr.CRC32 = 0;\r
+ gBS->CalculateCrc32 ((UINT8 *)gBS, gBS->Hdr.HeaderSize, &gBS->Hdr.CRC32);\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "Total Image Count - 0x%x\n", mImagePropertiesPrivateData.ImageRecordCount));\r
+ DEBUG ((EFI_D_VERBOSE, "Dump ImageRecord:\n"));\r
+ DumpImageRecord ();\r
+ }\r
+}\r
+\r
+/**\r
+ Initialize PropertiesTable support.\r
+**/\r
+VOID\r
+EFIAPI\r
+CoreInitializePropertiesTable (\r
+ VOID\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_EVENT EndOfDxeEvent;\r
+\r
+ Status = gBS->CreateEventEx (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_NOTIFY,\r
+ InstallPropertiesTable,\r
+ NULL,\r
+ &gEfiEndOfDxeEventGroupGuid,\r
+ &EndOfDxeEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ return ;\r
+}\r
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