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Disintegrate asm/system.h for Score

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

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Chen Liqin <liqin.chen@sunplusct.com>
This commit is contained in:
David Howells 2012-03-28 18:30:02 +01:00
parent a0616cdebc
commit 4eb14db444
8 changed files with 101 additions and 91 deletions
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1
arch/score/include/asm/atomic.h
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@ -1,6 +1,7 @@
#ifndef _ASM_SCORE_ATOMIC_H
#define _ASM_SCORE_ATOMIC_H
#include <asm/cmpxchg.h>
#include <asm-generic/atomic.h>
#endif /* _ASM_SCORE_ATOMIC_H */

16
arch/score/include/asm/barrier.h Normal file
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@ -0,0 +1,16 @@
#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 */

1
arch/score/include/asm/bitops.h
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@ -2,7 +2,6 @@
#define _ASM_SCORE_BITOPS_H
#include <asm/byteorder.h> /* swab32 */
#include <asm/system.h> /* save_flags */
/*
* clear_bit() doesn't provide any barrier for the compiler.

11
arch/score/include/asm/bug.h
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@ -3,4 +3,15 @@
#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 */

49
arch/score/include/asm/cmpxchg.h Normal file
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@ -0,0 +1,49 @@
#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 */

6
arch/score/include/asm/exec.h Normal file
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@ -0,0 +1,6 @@
#ifndef _ASM_SCORE_EXEC_H
#define _ASM_SCORE_EXEC_H
extern unsigned long arch_align_stack(unsigned long sp);
#endif /* _ASM_SCORE_EXEC_H */

13
arch/score/include/asm/switch_to.h Normal file
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@ -0,0 +1,13 @@
#ifndef _ASM_SCORE_SWITCH_TO_H
#define _ASM_SCORE_SWITCH_TO_H
extern void *resume(void *last, void *next, void *next_ti);
#define switch_to(prev, next, last) \
do { \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)
#define finish_arch_switch(prev) do {} while (0)
#endif /* _ASM_SCORE_SWITCH_TO_H */

95
arch/score/include/asm/system.h
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@ -1,90 +1,5 @@
#ifndef _ASM_SCORE_SYSTEM_H
#define _ASM_SCORE_SYSTEM_H
#include <linux/types.h>
#include <linux/irqflags.h>
struct pt_regs;
struct task_struct;
extern void *resume(void *last, void *next, void *next_ti);
#define switch_to(prev, next, last) \
do { \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)
#define finish_arch_switch(prev) do {} while (0)
typedef void (*vi_handler_t)(void);
extern unsigned long arch_align_stack(unsigned long sp);
#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)
#define __HAVE_ARCH_CMPXCHG 1
#include <asm-generic/cmpxchg-local.h>
#ifndef __ASSEMBLY__
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)))
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 /* !__ASSEMBLY__ */
#endif /* _ASM_SCORE_SYSTEM_H */
/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
#include <asm/barrier.h>
#include <asm/cmpxchg.h>
#include <asm/exec.h>
#include <asm/switch_to.h>