1 files changed, 2 insertions, 0 deletions
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 112f867..b772e82 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -452,6 +452,7 @@ typedef enum X86Seg {
 
 #define MSR_IA32_BNDCFGS                0x00000d90
 #define MSR_IA32_XSS                    0x00000da0
+#define MSR_IA32_UMWAIT_CONTROL         0xe1
 
 #define MSR_IA32_VMX_BASIC              0x00000480
 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
@@ -1587,6 +1588,7 @@ typedef struct CPUX86State {
     uint16_t fpregs_format_vmstate;
 
     uint64_t xss;
+    uint32_t umwait;
 
     TPRAccess tpr_access_type;