Changeset 13186 in vbox

Timestamp:

Oct 10, 2008 10:21:18 PM (16 years ago)

Author:

vboxsync

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

37721

Message:

PGMPhys: Fix for silly edge case bug.

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllPhys.cpp (modified) (10 diffs)

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

@@ -1748 +1748 @@
     /* optimize for the case where access is completely within the first page. */
     size_t cbPage = PAGE_SIZE - (GCPhysSrc & PAGE_OFFSET_MASK);
-    if (RT_LIKELY(cb < cbPage))
+    if (RT_LIKELY(cb <= cbPage))
     {
         memcpy(pvDst, pvSrc, cb);
@@ -1773 +1773 @@
 
         /* last page? */
-        if (cb < PAGE_SIZE)
+        if (cb <= PAGE_SIZE)
         {
             memcpy(pvDst, pvSrc, cb);
@@ -1822 +1822 @@
     /* optimize for the case where access is completely within the first page. */
     size_t cbPage = PAGE_SIZE - (GCPhysDst & PAGE_OFFSET_MASK);
-    if (RT_LIKELY(cb < cbPage))
+    if (RT_LIKELY(cb <= cbPage))
     {
         memcpy(pvDst, pvSrc, cb);
@@ -1847 +1847 @@
 
         /* last page? */
-        if (cb < PAGE_SIZE)
+        if (cb <= PAGE_SIZE)
         {
             memcpy(pvDst, pvSrc, cb);
@@ -1894 +1894 @@
     /* optimize for the case where access is completely within the first page. */
     size_t cbPage = PAGE_SIZE - ((RTGCUINTPTR)GCPtrSrc & PAGE_OFFSET_MASK);
-    if (RT_LIKELY(cb < cbPage))
+    if (RT_LIKELY(cb <= cbPage))
     {
         memcpy(pvDst, pvSrc, cb);
@@ -1919 +1919 @@
 
         /* last page? */
-        if (cb < PAGE_SIZE)
+        if (cb <= PAGE_SIZE)
         {
             memcpy(pvDst, pvSrc, cb);
@@ -1966 +1966 @@
     /* optimize for the case where access is completely within the first page. */
     size_t cbPage = PAGE_SIZE - ((RTGCUINTPTR)GCPtrDst & PAGE_OFFSET_MASK);
-    if (RT_LIKELY(cb < cbPage))
+    if (RT_LIKELY(cb <= cbPage))
     {
         memcpy(pvDst, pvSrc, cb);
@@ -1991 +1991 @@
 
         /* last page? */
-        if (cb < PAGE_SIZE)
+        if (cb <= PAGE_SIZE)
         {
             memcpy(pvDst, pvSrc, cb);
@@ -2041 +2041 @@
     /* optimize for the case where access is completely within the first page. */
     size_t cbPage = PAGE_SIZE - ((RTGCUINTPTR)GCPtrDst & PAGE_OFFSET_MASK);
-    if (RT_LIKELY(cb < cbPage))
+    if (RT_LIKELY(cb <= cbPage))
     {
         memcpy(pvDst, pvSrc, cb);
@@ -2068 +2068 @@
 
         /* last page? */
-        if (cb < PAGE_SIZE)
+        if (cb <= PAGE_SIZE)
         {
             memcpy(pvDst, pvSrc, cb);