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Commit 4eb14db4 authored by David Howells's avatar David Howells
Browse files

Disintegrate asm/system.h for Score 



Disintegrate asm/system.h for Score.  Not compiled.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
cc: Chen Liqin <liqin.chen@sunplusct.com>
parent a0616cde

arch/score/include/asm/atomic.h

+1 −0
Original line number Original line Diff line number Diff line 
#ifndef _ASM_SCORE_ATOMIC_H

#ifndef _ASM_SCORE_ATOMIC_H

#define _ASM_SCORE_ATOMIC_H

#define _ASM_SCORE_ATOMIC_H





#include <asm/cmpxchg.h>

#include <asm-generic/atomic.h>

#include <asm-generic/atomic.h>





#endif /* _ASM_SCORE_ATOMIC_H */
 
#endif /* _ASM_SCORE_ATOMIC_H */

arch/score/include/asm/barrier.h

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#ifndef _ASM_SCORE_BARRIER_H

#define _ASM_SCORE_BARRIER_H



#define mb()		barrier()

#define rmb()		barrier()

#define wmb()		barrier()

#define smp_mb()	barrier()

#define smp_rmb()	barrier()

#define smp_wmb()	barrier()



#define read_barrier_depends()		do {} while (0)

#define smp_read_barrier_depends()	do {} while (0)



#define set_mb(var, value) 		do {var = value; wmb(); } while (0)



#endif /* _ASM_SCORE_BARRIER_H */

arch/score/include/asm/bitops.h

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@@ -2,7 +2,6 @@ 
#define _ASM_SCORE_BITOPS_H

#define _ASM_SCORE_BITOPS_H





#include <asm/byteorder.h> /* swab32 */

#include <asm/byteorder.h> /* swab32 */

#include <asm/system.h> /* save_flags */





/*

/*

 * clear_bit() doesn't provide any barrier for the compiler.

 * clear_bit() doesn't provide any barrier for the compiler.

arch/score/include/asm/bug.h

+11 −0
Original line number Original line Diff line number Diff line
@@ -3,4 +3,15 @@ 




#include <asm-generic/bug.h>

#include <asm-generic/bug.h>





struct pt_regs;

extern void __die(const char *, struct pt_regs *, const char *,

	const char *, unsigned long) __attribute__((noreturn));

extern void __die_if_kernel(const char *, struct pt_regs *, const char *,

	const char *, unsigned long);



#define die(msg, regs)							\

	__die(msg, regs, __FILE__ ":", __func__, __LINE__)

#define die_if_kernel(msg, regs)					\

	__die_if_kernel(msg, regs, __FILE__ ":", __func__, __LINE__)



#endif /* _ASM_SCORE_BUG_H */
 
#endif /* _ASM_SCORE_BUG_H */

arch/score/include/asm/cmpxchg.h

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#ifndef _ASM_SCORE_CMPXCHG_H

#define _ASM_SCORE_CMPXCHG_H



#include <linux/irqflags.h>



struct __xchg_dummy { unsigned long a[100]; };

#define __xg(x) ((struct __xchg_dummy *)(x))



static inline

unsigned long __xchg(volatile unsigned long *m, unsigned long val)

{

	unsigned long retval;

	unsigned long flags;



	local_irq_save(flags);

	retval = *m;

	*m = val;

	local_irq_restore(flags);

	return retval;

}



#define xchg(ptr, v)						\

	((__typeof__(*(ptr))) __xchg((unsigned long *)(ptr),	\

					(unsigned long)(v)))



static inline unsigned long __cmpxchg(volatile unsigned long *m,

				unsigned long old, unsigned long new)

{

	unsigned long retval;

	unsigned long flags;



	local_irq_save(flags);

	retval = *m;

	if (retval == old)

		*m = new;

	local_irq_restore(flags);

	return retval;

}



#define cmpxchg(ptr, o, n)					\

	((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr),	\

					(unsigned long)(o),	\

					(unsigned long)(n)))



#define __HAVE_ARCH_CMPXCHG	1



#include <asm-generic/cmpxchg-local.h>



#endif /* _ASM_SCORE_CMPXCHG_H */