[mirror_ubuntu-bionic-kernel.git] / arch / sparc / include / asm / cache.h

/* SPDX-License-Identifier: GPL-2.0 */
/* cache.h:  Cache specific code for the Sparc.  These include flushing
 *           and direct tag/data line access.
 *
 * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
 */

#ifndef _SPARC_CACHE_H
#define _SPARC_CACHE_H

#define ARCH_SLAB_MINALIGN	__alignof__(unsigned long long)

#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES 32

#ifdef CONFIG_SPARC32
#define SMP_CACHE_BYTES_SHIFT 5
#else
#define SMP_CACHE_BYTES_SHIFT 6
#endif

#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)

#define __read_mostly __attribute__((__section__(".data..read_mostly")))

#endif /* !(_SPARC_CACHE_H) */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
d113fcd9	2	/* cache.h: Cache specific code for the Sparc. These include flushing
1da177e4 LT	3	* and direct tag/data line access.
1da177e4 LT	4	*
d113fcd9	5	* Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
1da177e4 LT	6	*/
	7
	8	#ifndef _SPARC_CACHE_H
	9	#define _SPARC_CACHE_H
	10
273fca0e DM	11	#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
273fca0e DM	12
1da177e4 LT	13	#define L1_CACHE_SHIFT 5
1da177e4 LT	14	#define L1_CACHE_BYTES 32
1da177e4	15
d113fcd9 DM	16	#ifdef CONFIG_SPARC32
	17	#define SMP_CACHE_BYTES_SHIFT 5
	18	#else
	19	#define SMP_CACHE_BYTES_SHIFT 6
	20	#endif
	21
	22	#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
	23
54cb27a7	24	#define __read_mostly __attribute__((__section__(".data..read_mostly")))
d113fcd9	25
1da177e4	26	#endif /* !(_SPARC_CACHE_H) */