/* * 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) 2009 Wind River Systems, *   written by Ralf Baechle <ralf@linux-mips.org> */#ifndef __ASM_COP2_H#define __ASM_COP2_H #include <linux/notifier.h> #if defined(CONFIG_CPU_CAVIUM_OCTEON) extern void octeon_cop2_save(struct octeon_cop2_state *);extern void octeon_cop2_restore(struct octeon_cop2_state *); #define cop2_save(r)		octeon_cop2_save(&(r)->thread.cp2)#define cop2_restore(r)		octeon_cop2_restore(&(r)->thread.cp2) #define cop2_present		1#define cop2_lazy_restore	1 #elif defined(CONFIG_CPU_LOONGSON64) #define cop2_present		1#define cop2_lazy_restore	1#define cop2_save(r)		do { (void)(r); } while (0)#define cop2_restore(r)		do { (void)(r); } while (0) #else #define cop2_present		0#define cop2_lazy_restore	0#define cop2_save(r)		do { (void)(r); } while (0)#define cop2_restore(r)		do { (void)(r); } while (0)#endif enum cu2_ops {	CU2_EXCEPTION,	CU2_LWC2_OP,	CU2_LDC2_OP,	CU2_SWC2_OP,	CU2_SDC2_OP,}; extern int register_cu2_notifier(struct notifier_block *nb);extern int cu2_notifier_call_chain(unsigned long val, void *v); #define cu2_notifier(fn, pri)						\({									\	static struct notifier_block fn##_nb = {			\		.notifier_call = fn,					\		.priority = pri						\	};								\									\	register_cu2_notifier(&fn##_nb);				\}) #endif /* __ASM_COP2_H */