patch-2.4.19 linux-2.4.19/include/asm-ia64/sn/fetchop.h

• Lines: 41
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ia64/sn/fetchop.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ia64/sn/fetchop.h linux-2.4.19/include/asm-ia64/sn/fetchop.h
@@ -0,0 +1,40 @@
+/*
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2001-2002 Silicon Graphics, Inc.  All rights reserved.
+ */
+
+
+#ifndef _ASM_IA64_SN_FETCHOP_H
+#define _ASM_IA64_SN_FETCHOP_H
+
+#define FETCHOP_BASENAME	"sgi_fetchop"
+#define FETCHOP_FULLNAME	"/dev/sgi_fetchop"
+
+
+
+#define FETCHOP_VAR_SIZE 64 /* 64 byte per fetchop variable */
+
+#define FETCHOP_LOAD		0
+#define FETCHOP_INCREMENT	8
+#define FETCHOP_DECREMENT	16
+#define FETCHOP_CLEAR		24
+
+#define FETCHOP_STORE		0
+#define FETCHOP_AND		24
+#define FETCHOP_OR		32
+
+#define FETCHOP_CLEAR_CACHE	56
+
+#define FETCHOP_LOAD_OP(addr, op) ( \
+         *(long *)((char*) (addr) + (op)))
+
+#define FETCHOP_STORE_OP(addr, op, x) ( \
+         *(long *)((char*) (addr) + (op)) = \
+              (long) (x))
+
+#endif /* _ASM_IA64_SN_FETCHOP_H */
+