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5c01b46bb6
Memory management in generic is highly architecture specific, but on NOMMU architectures, it is mostly trivial, so just add a default implementation in asm-generic that applies to all NOMMU architectures. The two files cache.h and cacheflush.h can possibly also be used by architectures that have an MMU but never require flushing the cache or have cache lines larger than 32 bytes. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
12 lines
345 B
C
12 lines
345 B
C
#ifndef __ASM_GENERIC_CACHE_H
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#define __ASM_GENERIC_CACHE_H
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/*
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* 32 bytes appears to be the most common cache line size,
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* so make that the default here. Architectures with larger
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* cache lines need to provide their own cache.h.
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*/
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#define L1_CACHE_SHIFT 5
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#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
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#endif /* __ASM_GENERIC_CACHE_H */
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