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 21/* Performs allocation from a pool of virtual memory */ 22 23struct mspace_virtual_pool_config { 24 void *vstart; 25 size_t size; 26 seL4_CPtr pd; 27}; 28 29typedef struct mspace_virtual_pool { 30 void *pool_ptr; 31 void *pool_top; 32 void *pool_limit; 33 seL4_CPtr pd; 34 mspace_k_r_malloc_t k_r_malloc; 35 struct allocman *morecore_alloc; 36} mspace_virtual_pool_t; 37 38void mspace_virtual_pool_create(mspace_virtual_pool_t *virtual_pool, struct mspace_virtual_pool_config config); 39 40void *_mspace_virtual_pool_alloc(struct allocman *alloc, void *_virtual_pool, size_t bytes, int *error); 41void _mspace_virtual_pool_free(struct allocman *alloc, void *_virtual_pool, void *ptr, size_t bytes); 42 43static inline struct mspace_interface mspace_virtual_pool_make_interface(mspace_virtual_pool_t *virtual_pool) { 44 return (struct mspace_interface){ 45 .alloc = _mspace_virtual_pool_alloc, 46 .free = _mspace_virtual_pool_free, 47 .properties = ALLOCMAN_DEFAULT_PROPERTIES, 48 .mspace = virtual_pool 49 }; 50} 51 52