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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-71-generic/arch/h8300/include/asm/ |
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#ifndef __ARCH_H8300_CMPXCHG__
#define __ARCH_H8300_CMPXCHG__
#include <linux/irqflags.h>
#define xchg(ptr, x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), \
sizeof(*(ptr))))
struct __xchg_dummy { unsigned long a[100]; };
#define __xg(x) ((volatile struct __xchg_dummy *)(x))
static inline unsigned long __xchg(unsigned long x,
volatile void *ptr, int size)
{
unsigned long tmp, flags;
local_irq_save(flags);
switch (size) {
case 1:
__asm__ __volatile__
("mov.b %2,%0\n\t"
"mov.b %1,%2"
: "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)));
break;
case 2:
__asm__ __volatile__
("mov.w %2,%0\n\t"
"mov.w %1,%2"
: "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)));
break;
case 4:
__asm__ __volatile__
("mov.l %2,%0\n\t"
"mov.l %1,%2"
: "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)));
break;
default:
tmp = 0;
}
local_irq_restore(flags);
return tmp;
}
#include <asm-generic/cmpxchg-local.h>
/*
* cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
* them available.
*/
#define cmpxchg_local(ptr, o, n) \
((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), \
(unsigned long)(o), \
(unsigned long)(n), \
sizeof(*(ptr))))
#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
#ifndef CONFIG_SMP
#include <asm-generic/cmpxchg.h>
#endif
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#endif /* __ARCH_H8300_CMPXCHG__ */