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- #ifndef HEAP_H
- #define HEAP_H
-
- /*
- * Allocate a block with specified (physical) alignment
- *
- * "align" must be a power of 2.
- *
- * Note that "align" affects the alignment of the physical address,
- * not the virtual address. This is almost certainly what you want.
- *
- */
- extern void * emalloc ( size_t size, unsigned int align );
-
- /*
- * Allocate all remaining space on the heap
- *
- */
- extern void * emalloc_all ( size_t *size );
-
- /*
- * Free a block.
- *
- * The caller must ensure that the block being freed is the last (most
- * recent) block allocated on the heap, otherwise heap corruption will
- * occur.
- *
- */
- extern void efree ( void *ptr );
-
- /*
- * Free all allocated blocks on the heap
- *
- */
- extern void efree_all ( void );
-
- /*
- * Resize a block.
- *
- * The caller must ensure that the block being resized is the last
- * (most recent) block allocated on the heap, otherwise heap
- * corruption will occur.
- *
- */
- extern void * erealloc ( void *ptr, size_t size );
-
- /*
- * Allocate, free, and resize blocks without caring about alignment
- *
- */
- static inline void * malloc ( size_t size ) {
- return emalloc ( size, sizeof ( void * ) );
- }
-
- static inline void free ( void *ptr ) {
- efree ( ptr );
- }
-
- static inline void * realloc ( void *ptr, size_t size ) {
- return erealloc ( ptr, size );
- }
-
- /*
- * Legacy API calls
- *
- */
- static inline void * allot ( size_t size ) {
- return emalloc ( size, sizeof ( void * ) );
- }
-
- static inline void forget ( void *ptr ) {
- efree ( ptr );
- }
-
- static inline void * allot2 ( size_t size, uint32_t mask ) {
- return emalloc ( size, mask + 1 );
- }
-
- static inline void forget2 ( void *ptr ) {
- efree ( ptr );
- }
-
- /*
- * Heap markers. osloader.c and other code may wish to know the heap
- * location, without necessarily wanting to drag in heap.o. We
- * therefore declare these as shared (i.e. common) symbols.
- *
- */
- physaddr_t heap_ptr __asm__ ( "_shared_heap_ptr" );
- physaddr_t heap_end __asm__ ( "_shared_heap_end" );
-
- #endif /* HEAP_H */
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