[BOOT] Create input parameters structures.

BOOT/ENVIRON/INC/efiapi.h

@@ -107,6 +107,22 @@ typedef struct {
 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42
 #define EFI_BOOT_SERVICES_REVISION  EFI_SPECIFICATION_VERSION
 
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ALLOCATE_PAGES) (
+    IN EFI_ALLOCATE_TYPE Type,
+    IN EFI_MEMORY_TYPE MemoryType,
+    IN UINTN Pages,
+    IN OUT EFI_PHYSICAL_ADDRESS *Memory
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FREE_PAGES) (
+    IN EFI_PHYSICAL_ADDRESS Memory,
+    IN UINTN Pages
+    );
+
 typedef
 EFI_STATUS
 (EFIAPI *EFI_HANDLE_PROTOCOL) (
@@ -121,8 +137,8 @@ typedef struct _EFI_BOOT_SERVICES {
     EFI_HANDLE RaiseTPL;
     EFI_HANDLE RestoreTPL;
 
-    EFI_HANDLE AllocatePages;
-    EFI_HANDLE FreePages;
+    EFI_ALLOCATE_PAGES AllocatePages;
+    EFI_FREE_PAGES FreePages;
     EFI_HANDLE GetMemoryMap;
     EFI_HANDLE AllocatePool;
     EFI_HANDLE FreePool;