Add a mov() macro, which is used in conjunction with the register defines

for setting reserved global registers from c.
svn path=/head/; revision=89033
2002-01-08 04:36:01 +00:00 · 2002-01-08 04:36:01 +00:00 · c0e12e9356 · 2020-12-20 02:59:44 +00:00
commit c0e12e9356
parent 2a32c6cea1
1 changed files with 4 additions and 0 deletions
--- a/sys/sparc64/include/cpufunc.h
+++ b/sys/sparc64/include/cpufunc.h
@ -80,6 +80,10 @@
 	__asm __volatile("flushw" : :);					\
 } while (0)

+#define	mov(val, reg) do {						\
+	__asm __volatile("mov %0, %" __XSTRING(reg) : : "r" (val));	\
+} while (0)
+
 /* Generate ld*a/st*a functions for non-constant ASI's. */
 #define LDNC_GEN(tp, o)							\
 	static __inline tp						\