target-i386: bugfix of Intel MPX

The correct size of cpuid 0x0d sub-leaf 4 is 0x40, not 0x10.
This is confirmed by Anvin H Peter and Mallick Asit K.

Signed-off-by: Liu Jinsong <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Asit K Mallick <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Liu, Jinsong <[email protected]>

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 0e8812a11d1e983c7423196d97418d9898bb66b5..9f69d7e192daa7a6f04d43641f875ef5707f5705 100644 (file)
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -339,7 +339,7 @@ static const ExtSaveArea ext_save_areas[] = {
     [3] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
             .offset = 0x3c0, .size = 0x40  },
     [4] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
-            .offset = 0x400, .size = 0x10  },
+            .offset = 0x400, .size = 0x40  },
 };
 
 const char *get_register_name_32(unsigned int reg)