2005-09-23 03:20:04 +08:00
|
|
|
#ifndef _ASM_POWERPC_SYNCH_H
|
|
|
|
#define _ASM_POWERPC_SYNCH_H
|
2005-12-17 05:43:46 +08:00
|
|
|
#ifdef __KERNEL__
|
2005-09-23 03:20:04 +08:00
|
|
|
|
2006-01-13 12:37:17 +08:00
|
|
|
#include <linux/stringify.h>
|
2008-07-01 23:16:40 +08:00
|
|
|
#include <asm/feature-fixups.h>
|
2006-01-13 12:37:17 +08:00
|
|
|
|
2008-07-01 23:16:40 +08:00
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
|
|
|
|
extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
|
|
|
|
void *fixup_end);
|
|
|
|
|
|
|
|
static inline void eieio(void)
|
|
|
|
{
|
|
|
|
__asm__ __volatile__ ("eieio" : : : "memory");
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void isync(void)
|
|
|
|
{
|
|
|
|
__asm__ __volatile__ ("isync" : : : "memory");
|
|
|
|
}
|
|
|
|
#endif /* __ASSEMBLY__ */
|
2005-09-23 03:20:04 +08:00
|
|
|
|
2008-07-01 23:16:40 +08:00
|
|
|
#if defined(__powerpc64__)
|
2005-09-23 03:20:04 +08:00
|
|
|
# define LWSYNC lwsync
|
2008-07-01 23:16:40 +08:00
|
|
|
#elif defined(CONFIG_E500)
|
|
|
|
# define LWSYNC \
|
|
|
|
START_LWSYNC_SECTION(96); \
|
|
|
|
sync; \
|
|
|
|
MAKE_LWSYNC_SECTION_ENTRY(96, __lwsync_fixup);
|
2005-09-23 03:20:04 +08:00
|
|
|
#else
|
|
|
|
# define LWSYNC sync
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_SMP
|
2006-02-20 17:40:28 +08:00
|
|
|
#define ISYNC_ON_SMP "\n\tisync\n"
|
2008-07-01 23:16:40 +08:00
|
|
|
#define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n"
|
2005-09-23 03:20:04 +08:00
|
|
|
#else
|
|
|
|
#define ISYNC_ON_SMP
|
2006-01-13 12:37:17 +08:00
|
|
|
#define LWSYNC_ON_SMP
|
2005-09-23 03:20:04 +08:00
|
|
|
#endif
|
|
|
|
|
2005-12-17 05:43:46 +08:00
|
|
|
#endif /* __KERNEL__ */
|
2005-09-23 03:20:04 +08:00
|
|
|
#endif /* _ASM_POWERPC_SYNCH_H */
|