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_XLP)
26
27extern void nlm_cop2_save(struct nlm_cop2_state *);
28extern void nlm_cop2_restore(struct nlm_cop2_state *);
29
30#define cop2_save(r)		nlm_cop2_save(&(r)->thread.cp2)
31#define cop2_restore(r)		nlm_cop2_restore(&(r)->thread.cp2)
32
33#define cop2_present		1
34#define cop2_lazy_restore	0
35
36#elif defined(CONFIG_CPU_LOONGSON3)
37
38#define cop2_present		1
39#define cop2_lazy_restore	1
40#define cop2_save(r)		do { (void)(r); } while (0)
41#define cop2_restore(r)		do { (void)(r); } while (0)
42
43#else
44
45#define cop2_present		0
46#define cop2_lazy_restore	0
47#define cop2_save(r)		do { (void)(r); } while (0)
48#define cop2_restore(r)		do { (void)(r); } while (0)
49#endif
50
51enum cu2_ops {
52	CU2_EXCEPTION,
53	CU2_LWC2_OP,
54	CU2_LDC2_OP,
55	CU2_SWC2_OP,
56	CU2_SDC2_OP,
57};
58
59extern int register_cu2_notifier(struct notifier_block *nb);
60extern int cu2_notifier_call_chain(unsigned long val, void *v);
61
62#define cu2_notifier(fn, pri)						\
63({									\
64	static struct notifier_block fn##_nb = {			\
65		.notifier_call = fn,					\
66		.priority = pri						\
67	};								\
68									\
69	register_cu2_notifier(&fn##_nb);				\
70})
71
72#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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14enum cu2_ops {
15	CU2_EXCEPTION,
16	CU2_LWC2_OP,
17	CU2_LDC2_OP,
18	CU2_SWC2_OP,
19	CU2_SDC2_OP,
20};
21
22extern int register_cu2_notifier(struct notifier_block *nb);
23extern int cu2_notifier_call_chain(unsigned long val, void *v);
24
25#define cu2_notifier(fn, pri)						\
26({									\
27	static struct notifier_block fn##_nb = {			\
28		.notifier_call = fn,					\
29		.priority = pri						\
30	};								\
31									\
32	register_cu2_notifier(&fn##_nb);				\
33})
34
35#endif /* __ASM_COP2_H */