Eric Lee / smarc-fsl-linux-kernel

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include/asm-powerpc/cache.h 1021 Bytes
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26ef5c095   David Gibson   [PATCH] powerpc: ... 
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  #ifndef _ASM_POWERPC_CACHE_H
  #define _ASM_POWERPC_CACHE_H
  
  #ifdef __KERNEL__
26ef5c095   David Gibson   [PATCH] powerpc: ... 
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  /* 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_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
26ef5c095   David Gibson   [PATCH] powerpc: ... 
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  #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__ */
bd67fcf9b   Tony Breeds   [POWERPC] Add __r... 
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  #if !defined(__ASSEMBLY__)
  #define __read_mostly __attribute__((__section__(".data.read_mostly")))
  #endif
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  #endif /* __KERNEL__ */
  #endif /* _ASM_POWERPC_CACHE_H */