58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
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#ifndef UMM_MALLOC_H
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#define UMM_MALLOC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern unsigned char umm_heap_array[];
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#ifndef size_t
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typedef unsigned int size_t;
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#endif
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/* Start addresses and the size of the heap */
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#define UMM_MALLOC_CFG_HEAP_ADDR (umm_heap_array)
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#ifdef __DUAL_MIC_RECORDING__
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#define UMM_MALLOC_CFG_HEAP_SIZE (10 * 1024)
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#else
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#define UMM_MALLOC_CFG_HEAP_SIZE 0x1000 // 4K
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#endif
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/* A couple of macros to make packing structures less compiler dependent */
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#define UMM_H_ATTPACKPRE
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#define UMM_H_ATTPACKSUF __attribute__((__packed__))
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#define UMM_BEST_FIT
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#undef UMM_FIRST_FIT
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/*
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* A couple of macros to make it easier to protect the memory allocator
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* in a multitasking system. You should set these macros up to use whatever
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* your system uses for this purpose. You can disable interrupts entirely, or
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* just disable task switching - it's up to you
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*
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* NOTE WELL that these macros MUST be allowed to nest, because umm_free() is
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* called from within umm_malloc()
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*/
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#define UMM_CRITICAL_ENTRY() LOCK_UMM_CLOCK()
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#define UMM_CRITICAL_EXIT() UNLOCK_UMM_CLOCK()
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/* ------------------------------------------------------------------------ */
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void umm_init( void );
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void *umm_malloc( size_t size );
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void *umm_calloc( size_t num, size_t size );
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void *umm_realloc( void *ptr, size_t size );
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void umm_free( void *ptr );
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/* ------------------------------------------------------------------------ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* UMM_MALLOC_H */
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