#GP on EFER access when not supported

2011-08-14 20:41:46 +00:00 · 2011-08-14 20:41:46 +00:00 · e50e187128
commit e50e187128
parent fb8d302f72
1 changed files with 3 additions and 0 deletions
--- a/bochs/cpu/msr.cc
+++ b/bochs/cpu/msr.cc
@ -208,6 +208,9 @@ bx_bool BX_CPP_AttrRegparmN(2) BX_CPU_C::rdmsr(Bit32u index, Bit64u *msr)

 #if BX_CPU_LEVEL >= 6
    case BX_MSR_EFER:
+      if (! BX_CPU_THIS_PTR efer_suppmask)
+        return 0;
+
      val64 = BX_CPU_THIS_PTR efer.get32();
      break;
 #endif