commit cc61c1fede7d02cb8133ab0952ca3f3ba1f7fbb1
author Ralf Baechle <ralf@linux-mips.org> Tue Jul 12 18:35:38 2005 +0000
committer Ralf Baechle <ralf@linux-mips.org> Sat Oct 29 19:31:46 2005 +0100
tree 9ad2708ba9ce5038dd6df888d1fc69de055c35fd
parent bbc7f22f6dca8a075b565ade49e9a982f89707c3

MIPS R2 instruction hazard handling.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

include/asm-mips/hazards.h

diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index 181f08de..f63d824 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -228,6 +228,22 @@
 
 #endif
 
+#if defined(CONFIG_CPU_MIPS32_R2) || defined (CONFIG_CPU_MIPS64_R2)
+#define instruction_hazard()						\
+do {									\
+__label__ __next;							\
+	__asm__ __volatile__(						\
+	"	jr.hb	%0					\n"	\
+	:								\
+	: "r" (&&__next));						\
+__next:									\
+	;								\
+} while (0)
+
+#else
+#define instruction_hazard() do { } while (0)
+#endif
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_HAZARDS_H */