diff --git a/sdk/xtdk/xtuefi.h b/sdk/xtdk/xtuefi.h
index 03fa418..c492ab0 100644
--- a/sdk/xtdk/xtuefi.h
+++ b/sdk/xtdk/xtuefi.h
@@ -232,7 +232,12 @@
 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID             {0xDD9E7534, 0x7762, 0x4698, {0x8C, 0x14, 0xF5, 0x85, 0x17, 0xA6, 0x25, 0xAA}}
 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID               {0x387477C2, 0x69C7, 0x11D2, {0x8E, 0x39, 0x00, 0xA0, 0xC9, 0x69, 0x72, 0x3B}}
 #define EFI_UART_IO_PROTOCOL_GUID                          {0xBB25CF6F, 0xF1D4, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0xFD}}
-#define EFI_UNICODE_COLLATION_PROTOCOL_GUID                {0x1D85CD7F, 0xF43D, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xc1, 0x4D}}
+#define EFI_UNICODE_COLLATION_PROTOCOL_GUID                {0x1D85CD7F, 0xF43D, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D}}
+
+/* EFI XT protocols GUIDs */
+#define EFI_XT_ELF_IMAGE_PROTOCOL_GUID                     {0x9B539887, 0x5854, 0x424C, {0x42, 0xFA, 0x00, 0x90, 0xC9, 0x04, 0x66, 0xA4}}
+#define EFI_XT_HIVE_IMAGE_PROTOCOL_GUID                    {0x5A3688A2, 0x5854, 0x424C, {0xBC, 0xDF, 0x00, 0x8F, 0xAA, 0x52, 0x63, 0xD4}}
+#define EFI_XT_PECOFF_IMAGE_PROTOCOL_GUID                  {0x85DAFF92, 0x5854, 0x424C, {0xB1, 0xBF, 0x00, 0x79, 0x39, 0xEA, 0x6E, 0xFD}}
 
 /* Basic UEFI types */
 typedef PVOID EFI_EVENT, *PEFI_EVENT;