Changeset 100863 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Aug 11, 2023 8:46:44 PM (19 months ago)

Author:

vboxsync

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

158778

Message:

VMM/IEM: Implemented inlined TLB based stack accesses for 4 of the functions, 3 left. bugref:10369

File:

• trunk/src/VBox/VMM/include/IEMInternal.h (modified) (2 diffs)

trunk/src/VBox/VMM/include/IEMInternal.h

@@ -517 +517 @@
  * @returns Tag value for indexing and comparing with IEMTLB::uTag.
  * @param   a_pTlb      The TLB.
- * @param   a_GCPtr     The virtual address.
+ * @param   a_GCPtr     The virtual address.  Must be RTGCPTR or same size or
+ *                      the clearing of the top 16 bits won't work (if 32-bit
+ *                      we'll end up with mostly zeros).
  */
 #define IEMTLB_CALC_TAG(a_pTlb, a_GCPtr)    ( IEMTLB_CALC_TAG_NO_REV(a_GCPtr) | (a_pTlb)->uTlbRevision )
@@ -523 +525 @@
  * Calculates the TLB tag for a virtual address but without TLB revision.
  * @returns Tag value for indexing and comparing with IEMTLB::uTag.
- * @param   a_GCPtr     The virtual address.
+ * @param   a_GCPtr     The virtual address.  Must be RTGCPTR or same size or
+ *                      the clearing of the top 16 bits won't work (if 32-bit
+ *                      we'll end up with mostly zeros).
  */
 #define IEMTLB_CALC_TAG_NO_REV(a_GCPtr)     ( (((a_GCPtr) << 16) >> (GUEST_PAGE_SHIFT + 16)) )