Date: Tue, 17 Jan 2012 23:50:18 +1100 (EST) From: Bruce Evans <brde@optusnet.com.au> To: Konstantin Belousov <kib@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r230262 - head/sys/amd64/include Message-ID: <20120117234437.E2762@besplex.bde.org> In-Reply-To: <201201170730.q0H7UbGJ073270@svn.freebsd.org> References: <201201170730.q0H7UbGJ073270@svn.freebsd.org>
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On Tue, 17 Jan 2012, Konstantin Belousov wrote: > Log: > Implement xsetbv(), xsave() and xrstor() providing C access to the > similarly named CPU instructions. Please don't add to the unsorting in this file. > Modified: head/sys/amd64/include/cpufunc.h > ============================================================================== > --- head/sys/amd64/include/cpufunc.h Tue Jan 17 07:23:43 2012 (r230261) > +++ head/sys/amd64/include/cpufunc.h Tue Jan 17 07:30:36 2012 (r230262) > #else /* !(__GNUCLIKE_ASM && __CC_SUPPORTS___INLINE) */ > > int breakpoint(void); > @@ -733,6 +768,9 @@ u_int rgs(void); > void wbinvd(void); > void write_rflags(u_int rf); > void wrmsr(u_int msr, uint64_t newval); > +void xsetbv(uint32_t reg, uint64_t val); > +void xsave(char *addr, uint64_t mask); > +void xrstor(char *addr, uint64_t mask); This matches the order of the inlines, and w < x, but e > a and s > r. > > #endif /* __GNUCLIKE_ASM && __CC_SUPPORTS___INLINE */ Bruce
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