| /* $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 |
| #ifdef __KERNEL__ |
| |
| #include <linux/init.h> |
| #include <cpu/cache.h> |
| |
| #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) |
| |
| #define __read_mostly __attribute__((__section__(".data..read_mostly"))) |
| |
| #ifndef __ASSEMBLY__ |
| 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 /* __ASSEMBLY__ */ |
| #endif /* __KERNEL__ */ |
| #endif /* __ASM_SH_CACHE_H */ |
