Changeset 16109 in vbox for trunk/src/VBox/VMM

Timestamp:

Jan 21, 2009 1:35:14 AM (16 years ago)

Author:

vboxsync

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

41824

Message:

CPUMR0: Don't forget to set CPUM_USED_FPU_SINCE_REM.

Location:

trunk/src/VBox/VMM/VMMR0

Files:

• CPUMR0.cpp (modified) (2 diffs)
• CPUMR0A.asm (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/CPUMR0.cpp

@@ -173 +173 @@
         /* Save/Restore the state on entry as we need to be in 64 bits mode to access the full state. */
         pVCpu->cpum.s.fUseFlags |= CPUM_SYNC_FPU_STATE | CPUM_USED_FPU;
+        /** @todo who is saving the host state??  */
     }
     else
@@ -263 +264 @@
     }
 
-    pVCpu->cpum.s.fUseFlags |= CPUM_USED_FPU; /** @todo clean up, this is done above by the ASM worker. */
+    pVCpu->cpum.s.fUseFlags |= CPUM_USED_FPU | CPUM_USED_FPU_SINCE_REM; /** @todo clean up, this is done above by the ASM worker. */
     return VINF_SUCCESS;
 }

trunk/src/VBox/VMM/VMMR0/CPUMR0A.asm

@@ -84 +84 @@
 
     ; Switch the state.
-    or      dword [xDX + CPUMCPU.fUseFlags], CPUM_USED_FPU
+    or      dword [xDX + CPUMCPU.fUseFlags], (CPUM_USED_FPU | CPUM_USED_FPU_SINCE_REM)
 
     mov     xAX, cr0                    ; Make sure its safe to access the FPU state.