Changeset 15680 in vbox for trunk/src/VBox/Devices

Timestamp:

Dec 19, 2008 11:06:38 AM (16 years ago)

Author:

vboxsync

Message:

Remap MMIO memory as well for recompiler writes

File:

• trunk/src/VBox/Devices/Graphics/DevVGA.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Graphics/DevVGA.cpp

@@ -1188 +1188 @@
 # ifdef IN_RING0
         /* If all planes are accessible, then map the page to the frame buffer and make it writable. */
-        if ((s->sr[2] & 3) == 3)
+        if (   (s->sr[2] & 3) == 3
+            && !vga_is_dirty(s, addr))
         {
             /** @todo only allow read access (doesn't work now) */
             IOMMMIOModifyPage(PDMDevHlpGetVM(s->CTX_SUFF(pDevIns)), GCPhys, s->GCPhysVRAM + addr, X86_PTE_RW|X86_PTE_P);
+            /* Set as dirty as write accesses won't be noticed now. */
             vga_set_dirty(s, addr);
             s->fRemappedVGA = true;
@@ -1317 +1319 @@
             s->vram_ptr[addr] = val;
 #else /* VBOX */
-# ifdef IN_RING0
+# ifndef IN_RC
             /* If all planes are accessible, then map the page to the frame buffer and make it writable. */
-            if ((s->sr[2] & 3) == 3)
+            if (   (s->sr[2] & 3) == 3
+                && !vga_is_dirty(s, addr))
             {
                 IOMMMIOModifyPage(PDMDevHlpGetVM(s->CTX_SUFF(pDevIns)), GCPhys, s->GCPhysVRAM + addr, X86_PTE_RW | X86_PTE_P);
                 s->fRemappedVGA = true;
             }
-# endif /* IN_RING0 */
+# endif /* IN_RC */
 
             VERIFY_VRAM_WRITE_OFF_RETURN(s, addr);