xref: /openbmc/linux/arch/sparc/include/asm/cache.h (revision 63705da3)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* cache.h:  Cache specific code for the Sparc.  These include flushing
3  *           and direct tag/data line access.
4  *
5  * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
6  */
7 
8 #ifndef _SPARC_CACHE_H
9 #define _SPARC_CACHE_H
10 
11 #define ARCH_SLAB_MINALIGN	__alignof__(unsigned long long)
12 
13 #define L1_CACHE_SHIFT 5
14 #define L1_CACHE_BYTES 32
15 
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 
24 #define __read_mostly __section(".data..read_mostly")
25 
26 #endif /* !(_SPARC_CACHE_H) */
27