1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* cache.h: Cache specific code for the Sparc. These include flushing 3*4882a593Smuzhiyun * and direct tag/data line access. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _SPARC_CACHE_H 9*4882a593Smuzhiyun #define _SPARC_CACHE_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define L1_CACHE_SHIFT 5 14*4882a593Smuzhiyun #define L1_CACHE_BYTES 32 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #ifdef CONFIG_SPARC32 17*4882a593Smuzhiyun #define SMP_CACHE_BYTES_SHIFT 5 18*4882a593Smuzhiyun #else 19*4882a593Smuzhiyun #define SMP_CACHE_BYTES_SHIFT 6 20*4882a593Smuzhiyun #endif 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define __read_mostly __section(".data..read_mostly") 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #endif /* !(_SPARC_CACHE_H) */ 27