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Fixed CR4 GP(0) condition (patch by no_mayl in mailing list)

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Stanislav Shwartsman 2006-04-23 16:11:16 +00:00
parent cc29f3d94b
commit 63dc4d4e10
1 changed files with 3 additions and 3 deletions
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6
bochs/cpu/proc_ctrl.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: proc_ctrl.cc,v 1.146 2006-04-10 19:05:21 sshwarts Exp $
// $Id: proc_ctrl.cc,v 1.147 2006-04-23 16:11:16 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -1448,8 +1448,8 @@ bx_bool BX_CPU_C::SetCR4(Bit32u val_32)
#endif
#if BX_SUPPORT_X86_64
// need to GPF #0 if LME=1 and PAE=0
if ((BX_CPU_THIS_PTR msr.lme)
// need to GP(0) if LMA=1 and PAE=1->0
if ((BX_CPU_THIS_PTR msr.lma)
&& (!(val_32 >> 5) & 1)
&& (BX_CPU_THIS_PTR cr4.get_PAE()))
{