diff --git a/sdk/xtdk/xtfw.h b/sdk/xtdk/xtfw.h
index e7b4578..613e2ab 100644
--- a/sdk/xtdk/xtfw.h
+++ b/sdk/xtdk/xtfw.h
@@ -61,6 +61,11 @@ typedef enum _SYSTEM_FIRMWARE_TYPE
     SystemFirmwarePcat
 } SYSTEM_FIRMWARE_TYPE, *PSYSTEM_FIRMWARE_TYPE;
 
+/* Hardware information block */
+typedef struct _HARDWARE_INFORMATION_BLOCK
+{
+} HARDWARE_INFORMATION_BLOCK, *PHARDWARE_INFORMATION_BLOCK;
+
 /* PCAT Firmware information block */
 typedef struct _PCAT_FIRMWARE_INFORMATION
 {
@@ -71,7 +76,7 @@ typedef struct _PCAT_FIRMWARE_INFORMATION
 typedef struct _UEFI_FIRMWARE_INFORMATION
 {
     ULONG EfiVersion;
-    PVOID EfiRuntimeServices;
+    PEFI_RUNTIME_SERVICES EfiRuntimeServices;
 } UEFI_FIRMWARE_INFORMATION, *PUEFI_FIRMWARE_INFORMATION;
 
 /* Firmware information block */
@@ -121,9 +126,11 @@ typedef struct _KERNEL_INITIALIZATION_BLOCK
     ULONG BlockSize;
     ULONG BlockVersion;
     ULONG ProtocolVersion;
+    PCHAR KernelParameters;
     LIST_ENTRY LoadOrderListHead;
     LIST_ENTRY MemoryDescriptorListHead;
     LIST_ENTRY BootDriverListHead;
+    HARDWARE_INFORMATION_BLOCK HardwareInformation;
     LOADER_INFORMATION_BLOCK LoaderInformation;
     FIRMWARE_INFORMATION_BLOCK FirmwareInformation;
 } KERNEL_INITIALIZATION_BLOCK, *PKERNEL_INITIALIZATION_BLOCK;