linux/arch/powerpc/include/asm/cache.h
Denys Vlasenko 54cb27a71f Rename .data.read_mostly to .data..read_mostly.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-03-03 11:26:00 +01:00

46 lines
1.1 KiB
C

#ifndef _ASM_POWERPC_CACHE_H
#define _ASM_POWERPC_CACHE_H
#ifdef __KERNEL__
/* bytes per L1 cache line */
#if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
#define L1_CACHE_SHIFT 4
#define MAX_COPY_PREFETCH 1
#elif defined(CONFIG_PPC_E500MC)
#define L1_CACHE_SHIFT 6
#define MAX_COPY_PREFETCH 4
#elif defined(CONFIG_PPC32)
#define L1_CACHE_SHIFT 5
#define MAX_COPY_PREFETCH 4
#else /* CONFIG_PPC64 */
#define L1_CACHE_SHIFT 7
#endif
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#if defined(__powerpc64__) && !defined(__ASSEMBLY__)
struct ppc64_caches {
u32 dsize; /* L1 d-cache size */
u32 dline_size; /* L1 d-cache line size */
u32 log_dline_size;
u32 dlines_per_page;
u32 isize; /* L1 i-cache size */
u32 iline_size; /* L1 i-cache line size */
u32 log_iline_size;
u32 ilines_per_page;
};
extern struct ppc64_caches ppc64_caches;
#endif /* __powerpc64__ && ! __ASSEMBLY__ */
#if !defined(__ASSEMBLY__)
#define __read_mostly __attribute__((__section__(".data..read_mostly")))
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_CACHE_H */