Missing atomic operations for ZFS/ia64.

Submitted by:	marcel

1 files changed, 54 insertions, 0 deletions

diff --git a/sys/cddl/contrib/opensolaris/common/atomic/ia64/atomic.S b/sys/cddl/contrib/opensolaris/common/atomic/ia64/atomic.S
new file mode 100644
index 0000000..827232b
--- /dev/null
+++ b/sys/cddl/contrib/opensolaris/common/atomic/ia64/atomic.S
@@ -0,0 +1,54 @@
+#include <machine/asm.h>
+
+	.text
+
+/*
+ * uint64_t atomic_cas_64(volatile uint64_t *p, uint64_t cmp, uint64_t v)
+ */
+ENTRY(atomic_cas_64, 3)
+	mov             ar.ccv = r33
+	;;
+	cmpxchg8.acq    r8 = [r32], r34, ar.ccv
+	;;
+	br.ret.sptk     rp
+END(atomic_cas_64)
+
+/*
+ * uint64_t atomic_add_64_nv(volatile uint64_t *p, uint64_t v)
+ */
+ENTRY(atomic_add_64_nv, 2)
+1:
+	ld8		r16 = [r32]
+	;;
+	mov		ar.ccv = r16
+	add		r8 = r16, r33
+	;;
+	cmpxchg8.acq	r17 = [r32], r8, ar.ccv
+	;;
+	cmp.eq		p6, p7 = r16, r17
+(p6)	br.ret.sptk	rp
+(p7)	br.cond.spnt	1b
+END(atomic_add_64_nv)
+
+/*
+ * uint8_t atomic_or_8_nv(volatile uint8_t *p, uint8_t v)
+ */
+ENTRY(atomic_or_8_nv, 2)
+1:
+	ld8		r16 = [r32]
+	;;
+	mov		ar.ccv = r16
+	or		r8 = r16, r33
+	;;
+	cmpxchg1.acq	r17 = [r32], r8, ar.ccv
+	;;
+	cmp.eq		p6, p7 = r16, r17
+(p6)	br.ret.sptk	rp
+(p7)	br.cond.spnt	1b
+END(atomic_or_8_nv)
+
+ENTRY(membar_producer, 0)
+	mf.a
+	;;
+	br.ret.sptk	rp
+END(membar_producer)