Changeset 23460 in vbox for trunk/include/VBox

Timestamp:

Oct 1, 2009 2:02:51 AM (15 years ago)

Author:

vboxsync

Message:

PGM: Page lock counters. (disabled)

Location:

trunk/include/VBox

Files:

• pgm.h (modified) (1 diff)
• types.h (modified) (1 diff)

trunk/include/VBox/pgm.h

@@ -364 +364 @@
 VMMDECL(int)        PGMPhysGCPtr2CCPtrReadOnly(PVMCPU pVCpu, RTGCPTR GCPtr, void const **ppv, PPGMPAGEMAPLOCK pLock);
 VMMDECL(void)       PGMPhysReleasePageMappingLock(PVM pVM, PPGMPAGEMAPLOCK pLock);
-
-/**
- * Checks if the lock structure is valid
- *
- * @param   pVM         The VM handle.
- * @param   pLock       The lock structure initialized by the mapping function.
- */
-DECLINLINE(bool)    PGMPhysIsPageMappingLockValid(PVM pVM, PPGMPAGEMAPLOCK pLock)
-{
-    /** @todo -> complete/change this  */
-#if defined(IN_RC) || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
-    return !!(pLock->u32Dummy);
-#else
-    return !!(pLock->pvPage);
-#endif
-}
-
 VMMDECL(int)        PGMPhysGCPhys2R3Ptr(PVM pVM, RTGCPHYS GCPhys, RTUINT cbRange, PRTR3PTR pR3Ptr);
 #ifdef VBOX_STRICT

trunk/include/VBox/types.h

@@ -770 +770 @@
     uint32_t    u32Dummy;
 #else
-    /** Pointer to the PGMPAGE. */
-    void       *pvPage;
+    /** Pointer to the PGMPAGE and lock type.
+     * bit-0 abuse: set=write, clear=read. */
+    uintptr_t   uPageAndType;
+/** Read lock type value. */
+# define PGMPAGEMAPLOCK_TYPE_READ    ((uintptr_t)0)
+/** Write lock type value. */
+# define PGMPAGEMAPLOCK_TYPE_WRITE   ((uintptr_t)1)
+/** Lock type mask. */
+# define PGMPAGEMAPLOCK_TYPE_MASK    ((uintptr_t)1)
     /** Pointer to the PGMCHUNKR3MAP. */
     void       *pvMap;