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- #ifndef _MALLOC_H
- #define _MALLOC_H
-
- #include <stdint.h>
-
- /** @file
- *
- * Dynamic memory allocation
- *
- */
-
- extern void * alloc_memblock ( size_t size, size_t align );
- extern void free_memblock ( void *ptr, size_t size );
- extern void * malloc ( size_t size );
- extern void free ( void *ptr );
- extern void mpopulate ( void *start, size_t len );
- extern void mdumpfree ( void );
-
- /**
- * Allocate memory for DMA
- *
- * @v size Requested size
- * @v align Physical alignment
- * @ret ptr Memory, or NULL
- *
- * Allocates physically-aligned memory for DMA.
- *
- * @c align must be a power of two. @c size may not be zero.
- */
- static inline void * malloc_dma ( size_t size, size_t phys_align ) {
- return alloc_memblock ( size, phys_align );
- }
-
- /**
- * Free memory allocated with malloc_dma()
- *
- * @v ptr Memory allocated by malloc_dma(), or NULL
- * @v size Size of memory, as passed to malloc_dma()
- *
- * Memory allocated with malloc_dma() can only be freed with
- * free_dma(); it cannot be freed with the standard free().
- *
- * If @c ptr is NULL, no action is taken.
- */
- static inline void free_dma ( void *ptr, size_t size ) {
- free_memblock ( ptr, size );
- }
-
- /**
- * Allocate cleared memory
- *
- * @v nmemb Number of members
- * @v size Size of each member
- * @ret ptr Allocated memory
- *
- * Allocate memory as per malloc(), and zero it.
- *
- * Note that malloc() and calloc() are identical, in the interests of
- * reducing code size. Callers should not, however, rely on malloc()
- * clearing memory, since this behaviour may change in future.
- */
- static inline void * calloc ( size_t nmemb, size_t size ) {
- return malloc ( nmemb * size );
- }
-
- #endif /* _MALLOC_H */
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