1 files changed, 8 insertions, 0 deletions

diff --git a/include/asm-x86_64/segment.h b/include/asm-x86_64/segment.h
index adf2bf1e187c..04b8ab21328f 100644
--- a/include/asm-x86_64/segment.h
+++ b/include/asm-x86_64/segment.h
@@ -3,6 +3,14 @@
 
 #include <asm/cache.h>
 
+/* Simple and small GDT entries for booting only */
+
+#define GDT_ENTRY_BOOT_CS               2
+#define __BOOT_CS       (GDT_ENTRY_BOOT_CS * 8)
+
+#define GDT_ENTRY_BOOT_DS               (GDT_ENTRY_BOOT_CS + 1)
+#define __BOOT_DS       (GDT_ENTRY_BOOT_DS * 8)
+
 #define __KERNEL_CS     0x10
 #define __KERNEL_DS     0x18