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-rw-r--r--target-i386/cpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 4ee12ca2e9..26182bdc7e 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -305,7 +305,7 @@
 #define MSR_IA32_APICBASE               0x1b
 #define MSR_IA32_APICBASE_BSP           (1<<8)
 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
-#define MSR_IA32_APICBASE_BASE          (0xfffff<<12)
+#define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
 #define MSR_TSC_ADJUST                  0x0000003b
 #define MSR_IA32_TSCDEADLINE            0x6e0