diff --git a/sdk/xtdk/xttarget.h b/sdk/xtdk/xttarget.h
index 9a6e1e5..bdf320f 100644
--- a/sdk/xtdk/xttarget.h
+++ b/sdk/xtdk/xttarget.h
@@ -22,14 +22,24 @@
     #define _ARCH_NAME                 "32-bit x86"
     #define _ARCH_IMAGE_MACHINE_TYPE   0x014C
     #define _XT32                      1
+    #define CACHE_ALIGNMENT            64
     #define EFI_ERROR_MASK             0x80000000
+    #define MAXIMUM_PROCESSORS         32
+    #define MEMORY_ALIGNMENT           8
+    #define MM_USERPAGE_TABLES         1536
+    #define MM_VIRTUAL_PAGESIZE        20
 #elif defined(__amd64__) || defined(__x86_64__)
     #define _ARCH                      amd64
     #define _ARCH_AMD64                1
     #define _ARCH_NAME                 "64-bit x86"
     #define _ARCH_IMAGE_MACHINE_TYPE   0x8664
     #define _XT64                      1
+    #define CACHE_ALIGNMENT            64
     #define EFI_ERROR_MASK             0x8000000000000000
+    #define MAXIMUM_PROCESSORS         256
+    #define MEMORY_ALIGNMENT           16
+    #define MM_USERPAGE_TABLES         4194304
+    #define MM_VIRTUAL_PAGESIZE        52
 #else
     #error Unknown architecture
 #endif