1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2009 Wind River Systems,
 7 *   written by Ralf Baechle <ralf@linux-mips.org>
 8 */
 9#ifndef __ASM_COP2_H
10#define __ASM_COP2_H
11
12#include <linux/notifier.h>
13
14#if defined(CONFIG_CPU_CAVIUM_OCTEON)
15
16extern void octeon_cop2_save(struct octeon_cop2_state *);
17extern void octeon_cop2_restore(struct octeon_cop2_state *);
18
19#define cop2_save(r)		octeon_cop2_save(&(r)->thread.cp2)
20#define cop2_restore(r)		octeon_cop2_restore(&(r)->thread.cp2)
21
22#define cop2_present		1
23#define cop2_lazy_restore	1
24
25#elif defined(CONFIG_CPU_LOONGSON64)
 
 
 
 
 
26
27#define cop2_present		1
28#define cop2_lazy_restore	1
29#define cop2_save(r)		do { (void)(r); } while (0)
30#define cop2_restore(r)		do { (void)(r); } while (0)
31
32#else
33
34#define cop2_present		0
35#define cop2_lazy_restore	0
36#define cop2_save(r)		do { (void)(r); } while (0)
37#define cop2_restore(r)		do { (void)(r); } while (0)
38#endif
39
40enum cu2_ops {
41	CU2_EXCEPTION,
42	CU2_LWC2_OP,
43	CU2_LDC2_OP,
44	CU2_SWC2_OP,
45	CU2_SDC2_OP,
46};
47
48extern int register_cu2_notifier(struct notifier_block *nb);
49extern int cu2_notifier_call_chain(unsigned long val, void *v);
50
51#define cu2_notifier(fn, pri)						\
52({									\
53	static struct notifier_block fn##_nb = {			\
54		.notifier_call = fn,					\
55		.priority = pri						\
56	};								\
57									\
58	register_cu2_notifier(&fn##_nb);				\
59})
60
61#endif /* __ASM_COP2_H */

 1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2009 Wind River Systems,
 7 *   written by Ralf Baechle <ralf@linux-mips.org>
 8 */
 9#ifndef __ASM_COP2_H
10#define __ASM_COP2_H
11
12#include <linux/notifier.h>
13
14#if defined(CONFIG_CPU_CAVIUM_OCTEON)
15
16extern void octeon_cop2_save(struct octeon_cop2_state *);
17extern void octeon_cop2_restore(struct octeon_cop2_state *);
18
19#define cop2_save(r)		octeon_cop2_save(r)
20#define cop2_restore(r)		octeon_cop2_restore(r)
21
22#define cop2_present		1
23#define cop2_lazy_restore	1
24
25#elif defined(CONFIG_CPU_XLP)
26
27extern void nlm_cop2_save(struct nlm_cop2_state *);
28extern void nlm_cop2_restore(struct nlm_cop2_state *);
29#define cop2_save(r)		nlm_cop2_save(r)
30#define cop2_restore(r)		nlm_cop2_restore(r)
31
32#define cop2_present		1
33#define cop2_lazy_restore	0
 
 
34
35#else
36
37#define cop2_present		0
38#define cop2_lazy_restore	0
39#define cop2_save(r)
40#define cop2_restore(r)
41#endif
42
43enum cu2_ops {
44	CU2_EXCEPTION,
45	CU2_LWC2_OP,
46	CU2_LDC2_OP,
47	CU2_SWC2_OP,
48	CU2_SDC2_OP,
49};
50
51extern int register_cu2_notifier(struct notifier_block *nb);
52extern int cu2_notifier_call_chain(unsigned long val, void *v);
53
54#define cu2_notifier(fn, pri)						\
55({									\
56	static struct notifier_block fn##_nb = {			\
57		.notifier_call = fn,					\
58		.priority = pri						\
59	};								\
60									\
61	register_cu2_notifier(&fn##_nb);				\
62})
63
64#endif /* __ASM_COP2_H */