Implement BlBuildPageMap() routine

sdk/xtdk/bltypes.h

@@ -49,6 +49,7 @@ typedef EFI_STATUS (*PBL_ALLOCATE_PAGES)(IN UINT64 Size, OUT PEFI_PHYSICAL_ADDRE
 typedef EFI_STATUS (*PBL_ALLOCATE_POOL)(IN UINT_PTR Size, OUT PVOID *Memory);
 typedef VOID (*PBL_BOOTMENU_INITIALIZE_OS_LIST)(OUT PXTBL_BOOTMENU_ITEM MenuEntries, OUT PULONG EntriesCount, OUT PULONG DefaultId);
 typedef EFI_STATUS (*PBL_BOOTPROTO_BOOT_SYSTEM)(IN PXTBL_BOOT_PARAMETERS Parameters);
+typedef EFI_STATUS (*PBL_BUILD_PAGE_MAP)(IN PXTBL_PAGE_MAPPING PageMap);
 typedef EFI_STATUS (*PBL_CLOSE_VOLUME)(IN PEFI_HANDLE VolumeHandle);
 typedef VOID (*PBL_CLEAR_CONSOLE_LINE)(IN ULONGLONG LineNo);
 typedef EFI_STATUS (*PBL_CLOSE_XT_PROTOCOL)(IN PEFI_HANDLE Handle, IN PEFI_GUID ProtocolGuid);
@@ -264,6 +265,7 @@ typedef struct _XTBL_LOADER_PROTOCOL
     {
         PBL_ALLOCATE_PAGES AllocatePages;
         PBL_ALLOCATE_POOL AllocatePool;
+        PBL_BUILD_PAGE_MAP BuildPageMap;
         PBL_COPY_MEMORY CopyMemory;
         PBL_FREE_PAGES FreePages;
         PBL_FREE_POOL FreePool;