1 #ifndef _ASM_POWERPC_SYNCH_H
2 #define _ASM_POWERPC_SYNCH_H
5 #include <linux/stringify.h>
6 #include <asm/feature-fixups.h>
8 #if defined(__powerpc64__) || defined(CONFIG_PPC_E500MC)
9 #define __SUBARCH_HAS_LWSYNC
13 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
14 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
17 static inline void eieio(void)
19 __asm__ __volatile__ ("eieio" : : : "memory");
22 static inline void isync(void)
24 __asm__ __volatile__ ("isync" : : : "memory");
26 #endif /* __ASSEMBLY__ */
28 #if defined(__powerpc64__)
29 # define LWSYNC lwsync
30 #elif defined(CONFIG_E500)
32 START_LWSYNC_SECTION(96); \
34 MAKE_LWSYNC_SECTION_ENTRY(96, __lwsync_fixup);
40 #define ISYNC_ON_SMP "\n\tisync\n"
41 #define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n"
47 #endif /* __KERNEL__ */
48 #endif /* _ASM_POWERPC_SYNCH_H */