[Qemu-devel] [PATCH] allow update of MSR_EFER_SVM

[Bernhard Kauer]

The wrmsr_helper should allow to set the SVM flag in EFER.


        Bernhard Kauer

Index: target-i386/helper.c
===================================================================
RCS file: /sources/qemu/qemu/target-i386/helper.c,v
retrieving revision 1.101
diff -u -r1.101 helper.c
--- target-i386/helper.c	3 Feb 2008 03:26:30 -0000	1.101
+++ target-i386/helper.c	27 Feb 2008 16:05:33 -0000
@@ -2802,6 +2802,8 @@
                 update_mask |= MSR_EFER_FFXSR;
             if (env->cpuid_ext2_features & CPUID_EXT2_NX)
                 update_mask |= MSR_EFER_NXE;
+	    if (env->cpuid_ext3_features & CPUID_EXT3_SVM)
+	        update_mask |= MSR_EFER_SVM;
             env->efer = (env->efer & ~update_mask) |
             (val & update_mask);
         }