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Store number of mappings when mapping virtual memory

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This commit is contained in:
Rafal Kupiec 2024-01-28 17:01:44 +01:00
parent 2e12d30aa4
commit 670a812649
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
2 changed files with 4 additions and 1 deletions
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1
sdk/xtdk/bltypes.h
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@ -189,6 +189,7 @@ typedef struct _XTBL_MODULE_INFO
typedef struct _XTBL_PAGE_MAPPING typedef struct _XTBL_PAGE_MAPPING
{ {
LIST_ENTRY MemoryMap; LIST_ENTRY MemoryMap;
ULONG MapSize;
PVOID PtePointer; PVOID PtePointer;
SHORT PageMapLevel; SHORT PageMapLevel;
PAGE_SIZE PageSize; PAGE_SIZE PageSize;

4
xtldr/memory.c
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@ -178,6 +178,7 @@ BlInitializePageMap(OUT PXTBL_PAGE_MAPPING PageMap,
{ {
/* Initialize memory mappings */ /* Initialize memory mappings */
RtlInitializeListHead(&PageMap->MemoryMap); RtlInitializeListHead(&PageMap->MemoryMap);
PageMap->MapSize = 0;
/* Set page map size/level and memory map address */ /* Set page map size/level and memory map address */
PageMap->PageMapLevel = PageMapLevel; PageMap->PageMapLevel = PageMapLevel;
@ -457,8 +458,9 @@ BlMapVirtualMemory(IN OUT PXTBL_PAGE_MAPPING PageMap,
ListEntry = ListEntry->Flink; ListEntry = ListEntry->Flink;
} }
/* Insert new mapping to the list */ /* Insert new mapping to the list and increase page map size */
RtlInsertTailList(&PageMap->MemoryMap, &Mapping1->ListEntry); RtlInsertTailList(&PageMap->MemoryMap, &Mapping1->ListEntry);
PageMap->MapSize++;
/* Return success */ /* Return success */
return STATUS_EFI_SUCCESS; return STATUS_EFI_SUCCESS;