Date: Mon, 30 Jul 2012 09:58:40 -0400 From: John Baldwin <jhb@freebsd.org> 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: r238597 - head/sys/amd64/amd64 Message-ID: <201207300958.40082.jhb@freebsd.org> In-Reply-To: <201207181536.q6IFa45h084774@svn.freebsd.org> References: <201207181536.q6IFa45h084774@svn.freebsd.org>
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On Wednesday, July 18, 2012 11:36:04 am Konstantin Belousov wrote: > Author: kib > Date: Wed Jul 18 15:36:03 2012 > New Revision: 238597 > URL: http://svn.freebsd.org/changeset/base/238597 > > Log: > Add stmxcsr. > > Submitted by: Ed Alley <wea llnl gov> > PR: amd64/169927 > MFC after: 3 weeks > > Modified: > head/sys/amd64/amd64/fpu.c > > Modified: head/sys/amd64/amd64/fpu.c > ============================================================================== > --- head/sys/amd64/amd64/fpu.c Wed Jul 18 12:41:09 2012 (r238596) > +++ head/sys/amd64/amd64/fpu.c Wed Jul 18 15:36:03 2012 (r238597) > @@ -73,6 +73,7 @@ __FBSDID("$FreeBSD$"); > #define fxrstor(addr) __asm __volatile("fxrstor %0" : : "m" (*(addr))) > #define fxsave(addr) __asm __volatile("fxsave %0" : "=m" (*(addr))) > #define ldmxcsr(csr) __asm __volatile("ldmxcsr %0" : : "m" (csr)) > +#define stmxcsr(addr) __asm __volatile("stmxcsr %0" : : "m" (*(addr))) > > static __inline void > xrstor(char *addr, uint64_t mask) > @@ -105,6 +106,7 @@ void fnstsw(caddr_t addr); > void fxsave(caddr_t addr); > void fxrstor(caddr_t addr); > void ldmxcsr(u_int csr); > +void stmxcsr(u_int csr); > void xrstor(char *addr, uint64_t mask); > void xsave(char *addr, uint64_t mask); I think this should use 'u_int *addr' rather than 'u_int csr'. -- John Baldwin
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