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Add fxsr CR4 bits.

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This commit is contained in:
fvdl 2001-06-19 09:12:49 +00:00
parent d8d208d673
commit b4b5dc533d
1 changed files with 3 additions and 1 deletions
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4
sys/arch/i386/include/specialreg.h
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@ -1,4 +1,4 @@
/* $NetBSD: specialreg.h,v 1.15 2000/12/21 05:11:00 enami Exp $ */
/* $NetBSD: specialreg.h,v 1.16 2001/06/19 09:12:49 fvdl Exp $ */
/*-
* Copyright (c) 1991 The Regents of the University of California.
@ -84,6 +84,8 @@
#define CR4_MCE 0x00000040 /* machine check enable */
#define CR4_PGE 0x00000080 /* page global enable */
#define CR4_PCE 0x00000100 /* enable RDPMC instruction for all cpls */
#define CR4_OSFXSR 0x00000200 /* enable fxsave/fxrestor and SSE */
#define CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */
/*
* CPUID "features" bits: