mirror of https://gitee.com/openkylin/linux.git
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
|
|
* 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)
|
|
#define cop2_restore(r) octeon_cop2_restore(r)
|
|
|
|
#define cop2_present 1
|
|
#define cop2_lazy_restore 1
|
|
|
|
#elif defined(CONFIG_CPU_XLP)
|
|
|
|
extern void nlm_cop2_save(struct nlm_cop2_state *);
|
|
extern void nlm_cop2_restore(struct nlm_cop2_state *);
|
|
#define cop2_save(r) nlm_cop2_save(r)
|
|
#define cop2_restore(r) nlm_cop2_restore(r)
|
|
|
|
#define cop2_present 1
|
|
#define cop2_lazy_restore 0
|
|
|
|
#else
|
|
|
|
#define cop2_present 0
|
|
#define cop2_lazy_restore 0
|
|
#define cop2_save(r)
|
|
#define cop2_restore(r)
|
|
#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 */
|