儲存庫 vbox 的更動 12016

時間撮記:

2008-9-3 上午07:51:11 (16 年 以前)

作者:

vboxsync

訊息:

Reset EFER to zero & MXCSR to 0x1f80.

檔案:

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

trunk/src/VBox/VMM/CPUM.cpp

@@ -713 +713 @@
     pCtx->fpu.FCW                   = 0x37f;
 
+    /* Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 3A, Table 8-1. IA-32 Processor States Following Power-up, Reset, or INIT */
+    pCtx->fpu.MXCSR                 = 0x1F80;
+
     /* Init PAT MSR */
     pCtx->msrPAT                    = UINT64_C(0x0007040600070406); /** @todo correct? */
+
+    /* Reset EFER; see AMD64 Architecture Programmer's Manual Volume 2: Table 14-1. Initial Processor State 
+     * The Intel docs don't mention it. 
+     */
+    pCtx->msrEFER                   = 0;
 }