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Diffstat (limited to 'include/asm-ia64/cache.h')
| -rw-r--r-- | include/asm-ia64/cache.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-ia64/cache.h b/include/asm-ia64/cache.h new file mode 100644 index 000000000000..666d8f175cb3 --- /dev/null +++ b/include/asm-ia64/cache.h @@ -0,0 +1,30 @@ +#ifndef _ASM_IA64_CACHE_H +#define _ASM_IA64_CACHE_H + +#include <linux/config.h> + +/* + * Copyright (C) 1998-2000 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + */ + +/* Bytes per L1 (data) cache line. */ +#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#define L1_CACHE_SHIFT_MAX 7 /* largest L1 which this arch supports */ + +#ifdef CONFIG_SMP +# define SMP_CACHE_SHIFT L1_CACHE_SHIFT +# define SMP_CACHE_BYTES L1_CACHE_BYTES +#else + /* + * The "aligned" directive can only _increase_ alignment, so this is + * safe and provides an easy way to avoid wasting space on a + * uni-processor: + */ +# define SMP_CACHE_SHIFT 3 +# define SMP_CACHE_BYTES (1 << 3) +#endif + +#endif /* _ASM_IA64_CACHE_H */ |