Changeset 3178 in vbox

Timestamp:

Jun 20, 2007 11:07:38 AM (17 years ago)

Author:

vboxsync

Message:

Take 16 bits count in real or v86 mode.

File:

• trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp (modified) (2 diffs)

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

@@ -533 +533 @@
     {
         cTransfers = pRegFrame->ecx;
+        if (    CPUMIsGuestInRealMode(pVM)
+            ||  pRegFrame->eflags.Bits.u1VM)
+            cTransfers &= 0xffff;
+
         if (!cTransfers)
             return VINF_SUCCESS;
@@ -773 +777 @@
     {
         cTransfers = pRegFrame->ecx;
+        if (    CPUMIsGuestInRealMode(pVM)
+            ||  pRegFrame->eflags.Bits.u1VM)
+            cTransfers &= 0xffff;
+
         if (!cTransfers)
             return VINF_SUCCESS;