vbox的更動 11691 路徑 trunk/src/VBox/VMM/VMMAll/EMAll.cpp

時間撮記:

2008-8-27 上午08:50:42 (16 年 以前)

作者:

vboxsync

訊息:

Allow the MSR_IA32_BIOS_SIGN_ID query only for Intel CPUs.

檔案:

• trunk/src/VBox/VMM/VMMAll/EMAll.cpp (修改) (1 筆差異)

trunk/src/VBox/VMM/VMMAll/EMAll.cpp

@@ -2558 +2558 @@
 #ifdef IN_RING0
     case MSR_IA32_BIOS_SIGN_ID:
-        val = ASMRdMsr(MSR_IA32_BIOS_SIGN_ID);
-        break;
+        if (CPUMGetCPUVendor(pVM) == CPUMCPUVENDOR_INTEL)
+        {
+            /* Available since the P6 family. VT-x implies that this feature is present. */
+            val = ASMRdMsr(MSR_IA32_BIOS_SIGN_ID);
+            break;
+        }
+        /* no break */
 #endif
     default: