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Sebastian Huber
7e5c9b895e
Make sure also the size is cache aligned since otherwise we may have some overlap with the next allocation block. A cache invalidate on this area would be fatal.
29 lines
674 B
C
29 lines
674 B
C
/*
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* RTEMS Cache Aligned Malloc
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*
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <rtems.h>
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#include <rtems/malloc.h>
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void *rtems_cache_aligned_malloc( size_t nbytes )
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{
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size_t line_size = rtems_cache_get_data_line_size();
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if ( line_size > 0 ) {
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/* Assume that the cache line size is a power of two */
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size_t m = line_size - 1;
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nbytes = (nbytes + m) & ~m;
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}
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return rtems_heap_allocate_aligned_with_boundary( nbytes, line_size, 0 );
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}
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