Changeset 9814 in vbox for trunk/src/VBox/VMM/VMMR0/HWACCMR0A.asm

Timestamp:

Jun 19, 2008 11:09:21 AM (16 years ago)

Author:

vboxsync

Message:

FS & GS base msr fixes

File:

• trunk/src/VBox/VMM/VMMR0/HWACCMR0A.asm (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWACCMR0A.asm

@@ -459 +459 @@
     LOADGUESTMSR MSR_K8_KERNEL_GS_BASE, CPUMCTX.msrKERNELGSBASE
 
+    ; Load the guest MSRs for FS & GS base (saved in MYPUSHSEGS)
+    mov     rcx, MSR_K8_FS_BASE
+    mov     rax, qword [xSI + CPUMCTX.msrFSBASE]
+    wrmsr
+
+    mov     rcx, MSR_K8_GS_BASE
+    mov     rax, qword [xSI + CPUMCTX.msrGSBASE]
+    wrmsr
+
     ; Save the pCtx pointer
     push    xSI