#ifndef _ASM_PPC64_MEMORY_H_ #define _ASM_PPC64_MEMORY_H_  /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/config.h> /* * Arguably the bitops and *xchg operations don't imply any memory barrier * or SMP ordering, but in fact a lot of drivers expect them to imply * both, since they do on x86 cpus. */#ifdef CONFIG_SMP#define EIEIO_ON_SMP	"eieio\n"#define ISYNC_ON_SMP	"\n\tisync"#else#define EIEIO_ON_SMP#define ISYNC_ON_SMP#endif static inline void eieio(void){	__asm__ __volatile__ ("eieio" : : : "memory");} static inline void isync(void){	__asm__ __volatile__ ("isync" : : : "memory");} #ifdef CONFIG_SMP#define eieio_on_smp()	eieio()#define isync_on_smp()	isync()#else#define eieio_on_smp()	__asm__ __volatile__("": : :"memory")#define isync_on_smp()	__asm__ __volatile__("": : :"memory")#endif /* Macros for adjusting thread priority (hardware multi-threading) */#define HMT_very_low()    asm volatile("or 31,31,31   # very low priority")#define HMT_low()	asm volatile("or 1,1,1		# low priority")#define HMT_medium_low()  asm volatile("or 6,6,6      # medium low priority")#define HMT_medium()	asm volatile("or 2,2,2		# medium priority")#define HMT_medium_high() asm volatile("or 5,5,5      # medium high priority")#define HMT_high()	asm volatile("or 3,3,3		# high priority") #define HMT_VERY_LOW    "\tor   31,31,31        # very low priority\n"#define HMT_LOW		"\tor	1,1,1		# low priority\n"#define HMT_MEDIUM_LOW  "\tor   6,6,6           # medium low priority\n"#define HMT_MEDIUM	"\tor	2,2,2		# medium priority\n"#define HMT_MEDIUM_HIGH "\tor   5,5,5           # medium high priority\n"#define HMT_HIGH	"\tor	3,3,3		# high priority\n" #endif