[Midnightbsd-cvs] src [7961] trunk/sys/amd64/amd64/fpu.c: add stmxcsr

[laffer1 at midnightbsd.org]

Revision: 7961
          http://svnweb.midnightbsd.org/src/?rev=7961
Author:   laffer1
Date:     2016-09-14 19:00:42 -0400 (Wed, 14 Sep 2016)
Log Message:
-----------
add stmxcsr

Modified Paths:
--------------
    trunk/sys/amd64/amd64/fpu.c

Modified: trunk/sys/amd64/amd64/fpu.c
===================================================================
--- trunk/sys/amd64/amd64/fpu.c	2016-09-14 22:58:58 UTC (rev 7960)
+++ trunk/sys/amd64/amd64/fpu.c	2016-09-14 23:00:42 UTC (rev 7961)
@@ -73,6 +73,7 @@
 #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	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);