Changeset 12793 in vbox

Timestamp:

Sep 29, 2008 12:36:09 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

37138

Message:

More fixes for real-mode emulation in VT-x. Now enabled by default for test box feedback.

Location:

trunk/src/VBox/VMM

Files:

• HWACCMInternal.h (modified) (1 diff)
• PGM.cpp (modified) (1 diff)
• VMMR0/HWVMXR0.cpp (modified) (1 diff)
• VMMR0/HWVMXR0.h (modified) (1 diff)

trunk/src/VBox/VMM/HWACCMInternal.h ¶

@@ -39 +39 @@
 # define VBOX_ENABLE_64_BITS_GUESTS
 #endif
+
+#define HWACCM_VMX_EMULATE_REALMODE
 
 __BEGIN_DECLS

trunk/src/VBox/VMM/PGM.cpp ¶

@@ -3141 +3141 @@
 PGMR3DECL(int) PGMR3ChangeMode(PVM pVM, PGMMODE enmGuestMode)
 {
-    LogFlow(("PGMR3ChangeMode: Guest mode: %s -> %s\n", PGMGetModeName(pVM->pgm.s.enmGuestMode), PGMGetModeName(enmGuestMode)));
+    Log(("PGMR3ChangeMode: Guest mode: %s -> %s\n", PGMGetModeName(pVM->pgm.s.enmGuestMode), PGMGetModeName(enmGuestMode)));
     STAM_REL_COUNTER_INC(&pVM->pgm.s.cGuestModeChanges);
 

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp ¶

@@ -825 +825 @@
                 pCtx->ss = pCtx->ssHid.u64Base >> 4;
 
+                /* The limit must also be adjusted. */
+                pCtx->csHid.u32Limit &= 0xffff;
+                pCtx->dsHid.u32Limit &= 0xffff;
+                pCtx->esHid.u32Limit &= 0xffff;
+                pCtx->fsHid.u32Limit &= 0xffff;
+                pCtx->gsHid.u32Limit &= 0xffff;
+                pCtx->ssHid.u32Limit &= 0xffff;
+
                 Assert(pCtx->dsHid.u64Base <= 0xfffff);
                 Assert(pCtx->esHid.u64Base <= 0xfffff);

trunk/src/VBox/VMM/VMMR0/HWVMXR0.h ¶

@@ -150 +150 @@
         }                                                                                       \
         else                                                                                    \
-        if (pCtx->reg && pCtx->reg##Hid.Attr.n.u1Present == 1)                                  \
+        if (pCtx->reg##Hid.Attr.n.u1Present == 1)                                  \
             val = pCtx->reg##Hid.Attr.u | X86_SEL_TYPE_ACCESSED;                                \
         else                                                                                    \