儲存庫 vbox 的更動 50158

時間撮記:

2014-1-22 上午02:57:23 (11 年 以前)

作者:

vboxsync

訊息:

cpumMsrWr_Ia32BiosSignId should ignore writes, not GP. Only used on P4.

檔案:

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

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

@@ -234 +234 @@
 static DECLCALLBACK(int) cpumMsrWr_Ia32BiosSignId(PVMCPU pVCpu, uint32_t idMsr, PCCPUMMSRRANGE pRange, uint64_t uValue, uint64_t uRawValue)
 {
-    return VERR_CPUM_RAISE_GP_0;
+    /* Normally, zero is written to Ia32BiosSignId before reading it in order
+       to select the signature instead of the BBL_CR_D3 behaviour.  The GP mask
+       of the database entry should take care of most illegal writes for now, so
+       just ignore all writes atm. */
+    return VINF_SUCCESS;
 }