#define X86_FEATURE_CX8 0x00000100 /* CMPXCHG8B instruction present */
#define X86_FEATURE_SYSCALL 0x00000800 /* SYSCALL/SYSRET support present */
#define X86_FEATURE_PGE 0x00002000 /* Page Global Enable */
+#define X86_FEATURE_NX 0x00100000 /* NX support present */
#define X86_FEATURE_MMX 0x00800000 /* MMX extension present */
#define X86_FEATURE_FXSR 0x01000000 /* FXSAVE/FXRSTOR instructions present */
#define X86_FEATURE_SSE 0x02000000 /* SSE extension present */
#define X86_MSR_CSTAR 0xC0000083
#define X86_MSR_SFMASK 0xC0000084
-#define EFER_SCE 0x01
-#define EFER_LME 0x10
-#define EFER_LMA 0x40
-#define EFER_NXE 0x80
-#define EFER_SVME 0x100
-#define EFER_FFXSR 0x400
+#define EFER_SCE 0x0001
+#define EFER_LME 0x0100
+#define EFER_LMA 0x0400
+#define EFER_NXE 0x0800
+#define EFER_SVME 0x1000
+#define EFER_FFXSR 0x4000
#define AMD64_TSS 9