Replace sb_store64()/sb_load64() with mips3_sd()/mips3_ld() respectively.

Obtained from NetBSD.

Suggested by: jmallett@

1 files changed, 29 insertions, 0 deletions

diff --git a/sys/mips/include/cpufunc.h b/sys/mips/include/cpufunc.h
index d4ca0f1..f9100ea 100644
--- a/sys/mips/include/cpufunc.h
+++ b/sys/mips/include/cpufunc.h
@@ -283,6 +283,35 @@ breakpoint(void)
 	__asm __volatile ("break");
 }
 
+#if defined(__GNUC__) && !defined(__mips_o32)
+static inline uint64_t
+mips3_ld(const volatile uint64_t *va)
+{
+	uint64_t rv;
+
+#if defined(_LP64)
+	rv = *va;
+#else
+	__asm volatile("ld	%0,0(%1)" : "=d"(rv) : "r"(va));
+#endif
+
+	return (rv);
+}
+
+static inline void
+mips3_sd(volatile uint64_t *va, uint64_t v)
+{
+#if defined(_LP64)
+	*va = v;
+#else
+	__asm volatile("sd	%0,0(%1)" :: "r"(v), "r"(va));
+#endif
+}
+#else
+uint64_t mips3_ld(volatile uint64_t *va);
+void mips3_sd(volatile uint64_t *, uint64_t);
+#endif	/* __GNUC__ */
+
 #endif /* _KERNEL */
 
 #define	readb(va)	(*(volatile uint8_t *) (va))