diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/malloc.h')
-rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/malloc.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/malloc.h b/qemu/roms/ipxe/src/include/ipxe/malloc.h deleted file mode 100644 index dd158b8e6..000000000 --- a/qemu/roms/ipxe/src/include/ipxe/malloc.h +++ /dev/null @@ -1,111 +0,0 @@ -#ifndef _IPXE_MALLOC_H -#define _IPXE_MALLOC_H - -#include <stdint.h> - -/** @file - * - * Dynamic memory allocation - * - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/* - * Prototypes for the standard functions (malloc() et al) are in - * stdlib.h. Include <ipxe/malloc.h> only if you need the - * non-standard functions, such as malloc_dma(). - * - */ -#include <stdlib.h> -#include <ipxe/tables.h> -#include <valgrind/memcheck.h> - -extern size_t freemem; - -extern void * __malloc alloc_memblock ( size_t size, size_t align, - size_t offset ); -extern void free_memblock ( void *ptr, size_t size ); -extern void mpopulate ( void *start, size_t len ); -extern void mdumpfree ( void ); - -/** - * Allocate memory for DMA - * - * @v size Requested size - * @v align Physical alignment - * @v offset Offset from 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 malloc_dma_offset ( size_t size, - size_t phys_align, - size_t offset ) { - void * ptr = alloc_memblock ( size, phys_align, offset ); - if ( ptr && size ) - VALGRIND_MALLOCLIKE_BLOCK ( ptr, size, 0, 0 ); - return ptr; -} - -/** - * 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 malloc_dma ( size_t size, size_t phys_align ) { - return malloc_dma_offset ( size, phys_align, 0 ); -} - -/** - * 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 ) { - VALGRIND_FREELIKE_BLOCK ( ptr, 0 ); - free_memblock ( ptr, size ); -} - -/** A cache discarder */ -struct cache_discarder { - /** - * Discard some cached data - * - * @ret discarded Number of cached items discarded - */ - unsigned int ( * discard ) ( void ); -}; - -/** Cache discarder table */ -#define CACHE_DISCARDERS __table ( struct cache_discarder, "cache_discarders" ) - -/** Declare a cache discarder */ -#define __cache_discarder( cost ) __table_entry ( CACHE_DISCARDERS, cost ) - -/** @defgroup cache_cost Cache discarder costs - * - * @{ - */ - -#define CACHE_CHEAP 01 /**< Items with a low replacement cost */ -#define CACHE_NORMAL 02 /**< Items with a normal replacement cost */ -#define CACHE_EXPENSIVE 03 /**< Items with a high replacement cost */ - -/** @} */ - -#endif /* _IPXE_MALLOC_H */ |