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Alloc setting OFXCSR (bit9) of CR4 in SSE/SSE2 enabled

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This commit is contained in:
Stanislav Shwartsman 2002-11-08 20:26:12 +00:00
parent a814c00278
commit 3cd6f7282d
1 changed files with 9 additions and 6 deletions
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15
bochs/cpu/proc_ctrl.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: proc_ctrl.cc,v 1.61 2002-10-27 22:26:34 bdenney Exp $
// $Id: proc_ctrl.cc,v 1.62 2002-11-08 20:26:12 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -1456,19 +1456,19 @@ BX_CPU_C::CPUID(bxInstruction_c *i)
#endif
#if BX_SUPPORT_4MEG_PAGES
features |= (1<<3); // Support Page-Size Extension (4M pages)
features |= (1<<3); // Support Page-Size Extension (4M pages)
#endif
#if BX_SupportGlobalPages
features |= (1<<13); // Support Global pages.
features |= (1<<13); // Support Global pages.
#endif
#if BX_SupportPAE
features |= (1<<6); // Support PAE.
features |= (1<<6); // Support PAE.
#endif
#if (BX_CPU_LEVEL >= 5)
features |= (1<<8); //Support CMPXCHG8B instruction
features |= (1<<8); // Support CMPXCHG8B instruction
#endif
@ -1633,9 +1633,12 @@ BX_CPU_C::SetCR4(Bit32u val_32)
allowMask |= (1<<5);
#endif
#if BX_SUPPORT_SSE || BX_SUPPORT_SSE2
allowMask |= (1<<9); /* OSFXSR */
#endif
#if BX_SUPPORT_X86_64
allowMask |= (1<<9);
allowMask |= (1<<9); /* OSFXSR */
allowMask |= (1<<10);
// need to GPF #0 if LME=1 and PAE=0
if ( (BX_CPU_THIS_PTR msr.lme)