#define SUPPORT_IPV6 0
-#define PXE_BASECODE_DEVICE_SIGNATURE 'pxed'
+#define PXE_BASECODE_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('p', 'x', 'e', 'd')
//
// Determine the classes of IPv4 address
//
//
//
-#define LOADFILE_DEVICE_SIGNATURE 'pxel'
+#define LOADFILE_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('p', 'x', 'e', 'l')
typedef struct {
UINTN Signature;