[deliverable/linux.git] / include / asm-alpha / cache.h

/*
 * include/asm-alpha/cache.h
 */
#ifndef __ARCH_ALPHA_CACHE_H
#define __ARCH_ALPHA_CACHE_H


/* Bytes per L1 (data) cache line. */
#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
# define L1_CACHE_BYTES     64
# define L1_CACHE_SHIFT     6
#else
/* Both EV4 and EV5 are write-through, read-allocate,
   direct-mapped, physical.
*/
# define L1_CACHE_BYTES     32
# define L1_CACHE_SHIFT     5
#endif

#define L1_CACHE_ALIGN(x)  (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
#define SMP_CACHE_BYTES    L1_CACHE_BYTES

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* include/asm-alpha/cache.h
	3	*/
	4	#ifndef __ARCH_ALPHA_CACHE_H
	5	#define __ARCH_ALPHA_CACHE_H
	6
1da177e4 LT	7
	8	/* Bytes per L1 (data) cache line. */
	9	#if defined(CONFIG_ALPHA_GENERIC) \|\| defined(CONFIG_ALPHA_EV6)
	10	# define L1_CACHE_BYTES 64
	11	# define L1_CACHE_SHIFT 6
	12	#else
	13	/* Both EV4 and EV5 are write-through, read-allocate,
	14	direct-mapped, physical.
	15	*/
	16	# define L1_CACHE_BYTES 32
	17	# define L1_CACHE_SHIFT 5
	18	#endif
	19
	20	#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
	21	#define SMP_CACHE_BYTES L1_CACHE_BYTES
1da177e4 LT	22
1da177e4 LT	23	#endif