[LV-kern-commit] CVS: kernel-2.4/include/asm-vax/mm cache.h,NONE,1.1

[Andy P. <at...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/asm-vax/mm
In directory usw-pr-cvs1:/tmp/cvs-serv30447

Added Files:
	cache.h 
Log Message:
Test commit.


--- NEW FILE ---
#ifndef __VAX_MM_CACHE_H 
#define __VAX_MM_CACHE_H

/* 
 * cache.h.  Definitions for cache structures/routines.
 * Copyright atp Jan 2001 
 */


/* FIXME: double check this. VAX hw ref guide pg 274  */
/* Also see flush cache arch document by D. Mosberger */
#define flush_cache_all()			do { } while (0)
#define flush_cache_mm(mm)			do { } while (0)
#define flush_cache_range(mm, start, end)	do { } while (0)
#define flush_cache_page(vma, vmaddr)		do { } while (0)
#define flush_page_to_ram(page)			do { } while (0)
#define flush_dcache_page(page)			do { } while (0)

/* Flushing the instruction cache is all-or-nothing on VAX. */
#define flush_icache_range(start, end)		flush_icache()

#define flush_icache_page(vma, pg)		flush_icache()

static inline void flush_icache(void)
{
	/* Push a PC/PSL onto the stack so it looks like we got
	   an interrupt, and then REI */
	__asm__ (
		"	movpsl -(sp) \n"
		"	pushab 1f    \n"
		"	rei          \n"
		"1:                    " : : );
}
		

#endif /* __VAX_MM_CACHE_H */