Date: Fri, 13 Jun 2014 01:31:47 GMT From: op@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r269503 - soc2014/op/freebsd-base/sys/i386/include Message-ID: <201406130131.s5D1Vlbc003423@socsvn.freebsd.org>
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Author: op Date: Fri Jun 13 01:31:46 2014 New Revision: 269503 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=269503 Log: SMAP i386: added stac and clac functions to cpufunc.h git: https://github.com/opntr/opBSD/commits/op/gsoc2014/smap Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com> Modified: soc2014/op/freebsd-base/sys/i386/include/cpufunc.h Modified: soc2014/op/freebsd-base/sys/i386/include/cpufunc.h ============================================================================== --- soc2014/op/freebsd-base/sys/i386/include/cpufunc.h Fri Jun 13 01:27:01 2014 (r269502) +++ soc2014/op/freebsd-base/sys/i386/include/cpufunc.h Fri Jun 13 01:31:46 2014 (r269503) @@ -168,6 +168,24 @@ __asm __volatile("mfence" : : : "memory"); } +/* + * Intel SMAP related functions. + */ +static __inline void +clac(void) +{ + + __asm __volatile("clac" : : : "memory"); +} + +static __inline void +stac(void) +{ + + __asm __volatile("stac" : : : "memory"); +} + + #ifdef _KERNEL #define HAVE_INLINE_FFS
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