cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/cop2.h

/*
 * 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_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)->thread.cp2)

#define cop2_restore(r)		nlm_cop2_restore(&(r)->thread.cp2)


#define cop2_present		1

#define cop2_lazy_restore	0

#elif defined(CONFIG_CPU_LOONGSON3)


#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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jayachandran C11254.37%225.00%
Ralf Bächle7536.41%337.50%
Huacai Chen146.80%112.50%
Paul Burton41.94%112.50%
David Daney10.49%112.50%
Total206100.00%8100.00%
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