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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253/* SPDX-License-Identifier: GPL-2.0 *//* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $ * * include/asm-sh/cache.h * * Copyright 1999 (C) Niibe Yutaka * Copyright 2002, 2003 (C) Paul Mundt */#ifndef __ASM_SH_CACHE_H#define __ASM_SH_CACHE_H
#include <linux/init.h>#include <cpu/cache.h>
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
/* * Some drivers need to perform DMA into kmalloc'ed buffers * and so we have to increase the kmalloc minalign for this. */#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#define __read_mostly __section(".data..read_mostly")
#ifndef __ASSEMBLER__struct cache_info { unsigned int ways; /* Number of cache ways */ unsigned int sets; /* Number of cache sets */ unsigned int linesz; /* Cache line size (bytes) */
unsigned int way_size; /* sets * line size */
/* * way_incr is the address offset for accessing the next way * in memory mapped cache array ops. */ unsigned int way_incr; unsigned int entry_shift; unsigned int entry_mask;
/* * Compute a mask which selects the address bits which overlap between * 1. those used to select the cache set during indexing * 2. those in the physical page number. */ unsigned int alias_mask; unsigned int n_aliases; /* Number of aliases */
unsigned long flags;};#endif /* __ASSEMBLER__ */#endif /* __ASM_SH_CACHE_H */