1/* 2 * Copyright 2017, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the BSD 2-Clause license. Note that NO WARRANTY is provided. 8 * See "LICENSE_BSD2.txt" for details. 9 * 10 * @TAG(DATA61_BSD) 11 */ 12 13#pragma once 14 15#include <autoconf.h> 16#include <stdlib.h> 17#include <sel4/types.h> 18#include <allocman/mspace/mspace.h> 19#include <allocman/mspace/k_r_malloc.h> 20#include <allocman/mspace/fixed_pool.h> 21#include <allocman/mspace/virtual_pool.h> 22 23/* This memory allocator supports have a fixed pool of memory, as well as a 24 * virtual pool that can be attached while running. */ 25 26typedef struct mspace_dual_pool { 27 size_t fixed_pool_start; 28 size_t fixed_pool_end; 29 mspace_fixed_pool_t fixed_pool; 30 int have_virtual_pool; 31 mspace_virtual_pool_t virtual_pool; 32} mspace_dual_pool_t; 33 34void mspace_dual_pool_create(mspace_dual_pool_t *dual_pool, struct mspace_fixed_pool_config config); 35void mspace_dual_pool_attach_virtual(mspace_dual_pool_t *dual_pool, struct mspace_virtual_pool_config config); 36 37void *_mspace_dual_pool_alloc(struct allocman *alloc, void *_dual_pool, size_t bytes, int *error); 38void _mspace_dual_pool_free(struct allocman *alloc, void *_dual_pool, void *ptr, size_t bytes); 39 40static inline struct mspace_interface mspace_dual_pool_make_interface(mspace_dual_pool_t *dual_pool) { 41 return (struct mspace_interface){ 42 .alloc = _mspace_dual_pool_alloc, 43 .free = _mspace_dual_pool_free, 44 .properties = ALLOCMAN_DEFAULT_PROPERTIES, 45 .mspace = dual_pool 46 }; 47} 48 49